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-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/CMakeLists.txt54
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/dtls_client.c363
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/dtls_server.c438
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/mini_client.c299
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_client1.c318
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c3081
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_context_info.c1112
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_fork_server.c423
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c859
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c533
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_server.c403
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_server2.c4051
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_test_common_source.c305
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.c357
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.h294
15 files changed, 12890 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/programs/ssl/CMakeLists.txt b/lib/mbedtls-2.27.0/programs/ssl/CMakeLists.txt
new file mode 100644
index 0000000..dfc16a5
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/CMakeLists.txt
@@ -0,0 +1,54 @@
+set(THREADS_USE_PTHREADS_WIN32 true)
+find_package(Threads)
+
+set(libs
+ ${mbedtls_target}
+)
+
+if(USE_PKCS11_HELPER_LIBRARY)
+ set(libs ${libs} pkcs11-helper)
+endif(USE_PKCS11_HELPER_LIBRARY)
+
+if(ENABLE_ZLIB_SUPPORT)
+ set(libs ${libs} ${ZLIB_LIBRARIES})
+endif(ENABLE_ZLIB_SUPPORT)
+
+set(executables
+ dtls_client
+ dtls_server
+ mini_client
+ ssl_client1
+ ssl_client2
+ ssl_context_info
+ ssl_fork_server
+ ssl_mail_client
+ ssl_server
+ ssl_server2
+)
+
+foreach(exe IN LISTS executables)
+ set(extra_sources "")
+ if(exe STREQUAL "ssl_client2" OR exe STREQUAL "ssl_server2")
+ list(APPEND extra_sources
+ ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
+ endif()
+ add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>
+ ${extra_sources})
+ target_link_libraries(${exe} ${libs})
+ target_include_directories(${exe} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../../tests/include)
+endforeach()
+
+set_property(TARGET ssl_client2 APPEND PROPERTY SOURCES
+ ssl_test_lib.c ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
+set_property(TARGET ssl_server2 APPEND PROPERTY SOURCES
+ ssl_test_lib.c ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
+
+if(THREADS_FOUND)
+ add_executable(ssl_pthread_server ssl_pthread_server.c $<TARGET_OBJECTS:mbedtls_test>)
+ target_link_libraries(ssl_pthread_server ${libs} ${CMAKE_THREAD_LIBS_INIT})
+ list(APPEND executables ssl_pthread_server)
+endif(THREADS_FOUND)
+
+install(TARGETS ${executables}
+ DESTINATION "bin"
+ PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
diff --git a/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c b/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c
new file mode 100644
index 0000000..8c302a0
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c
@@ -0,0 +1,363 @@
+/*
+ * Simple DTLS client demonstration program
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_printf printf
+#define mbedtls_fprintf fprintf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_TIMING_C) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_CERTS_C) || !defined(MBEDTLS_PEM_PARSE_C)
+int main( void )
+{
+ mbedtls_printf( "MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_TIMING_C and/or "
+ "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+ "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C not defined.\n" );
+ mbedtls_exit( 0 );
+}
+#else
+
+#include <string.h>
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/error.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/timing.h"
+
+/* Uncomment out the following line to default to IPv4 and disable IPv6 */
+//#define FORCE_IPV4
+
+#define SERVER_PORT "4433"
+#define SERVER_NAME "localhost"
+
+#ifdef FORCE_IPV4
+#define SERVER_ADDR "127.0.0.1" /* Forces IPv4 */
+#else
+#define SERVER_ADDR "::1"
+#endif
+
+#define MESSAGE "Echo this"
+
+#define READ_TIMEOUT_MS 1000
+#define MAX_RETRY 5
+
+#define DEBUG_LEVEL 0
+
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+int main( int argc, char *argv[] )
+{
+ int ret, len;
+ mbedtls_net_context server_fd;
+ uint32_t flags;
+ unsigned char buf[1024];
+ const char *pers = "dtls_client";
+ int retry_left = MAX_RETRY;
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt cacert;
+ mbedtls_timing_delay_context timer;
+
+ ((void) argc);
+ ((void) argv);
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( DEBUG_LEVEL );
+#endif
+
+ /*
+ * 0. Initialize the RNG and the session data
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_x509_crt_init( &cacert );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+ mbedtls_printf( "\n . Seeding the random number generator..." );
+ fflush( stdout );
+
+ mbedtls_entropy_init( &entropy );
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 0. Load certificates
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+ ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+ /*
+ * 1. Start the connection
+ */
+ mbedtls_printf( " . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_connect( &server_fd, SERVER_ADDR,
+ SERVER_PORT, MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the DTLS structure..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ /* OPTIONAL is usually a bad choice for security, but makes interop easier
+ * in this simplified example, in which the ca chain is hardcoded.
+ * Production code should set a proper ca chain and use REQUIRED. */
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+ mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &server_fd,
+ mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+
+ mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 4. Handshake
+ */
+ mbedtls_printf( " . Performing the DTLS handshake..." );
+ fflush( stdout );
+
+ do ret = mbedtls_ssl_handshake( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 5. Verify the server certificate
+ */
+ mbedtls_printf( " . Verifying peer X.509 certificate..." );
+
+ /* In real life, we would have used MBEDTLS_SSL_VERIFY_REQUIRED so that the
+ * handshake would not succeed if the peer's cert is bad. Even if we used
+ * MBEDTLS_SSL_VERIFY_OPTIONAL, we would bail out here if ret != 0 */
+ if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 6. Write the echo request
+ */
+send_request:
+ mbedtls_printf( " > Write to server:" );
+ fflush( stdout );
+
+ len = sizeof( MESSAGE ) - 1;
+
+ do ret = mbedtls_ssl_write( &ssl, (unsigned char *) MESSAGE, len );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto exit;
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes written\n\n%s\n\n", len, MESSAGE );
+
+ /*
+ * 7. Read the echo response
+ */
+ mbedtls_printf( " < Read from server:" );
+ fflush( stdout );
+
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+
+ do ret = mbedtls_ssl_read( &ssl, buf, len );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_TIMEOUT:
+ mbedtls_printf( " timeout\n\n" );
+ if( retry_left-- > 0 )
+ goto send_request;
+ goto exit;
+
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ ret = 0;
+ goto close_notify;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes read\n\n%s\n\n", len, buf );
+
+ /*
+ * 8. Done, cleanly close the connection
+ */
+close_notify:
+ mbedtls_printf( " . Closing the connection..." );
+
+ /* No error checking, the connection might be closed already */
+ do ret = mbedtls_ssl_close_notify( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+ ret = 0;
+
+ mbedtls_printf( " done\n" );
+
+ /*
+ * 9. Final clean-ups and exit
+ */
+exit:
+
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf( "Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &server_fd );
+
+ mbedtls_x509_crt_free( &cacert );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ mbedtls_printf( " + Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ /* Shell can not handle large exit numbers -> 1 for errors */
+ if( ret < 0 )
+ ret = 1;
+
+ mbedtls_exit( ret );
+}
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C &&
+ MBEDTLD_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
+ MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C && MBEDTLS_CERTS_C &&
+ MBEDTLS_PEM_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c b/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c
new file mode 100644
index 0000000..5f71ec9
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c
@@ -0,0 +1,438 @@
+/*
+ * Simple DTLS server demonstration program
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_printf printf
+#define mbedtls_fprintf fprintf
+#define mbedtls_time_t time_t
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+/* Uncomment out the following line to default to IPv4 and disable IPv6 */
+//#define FORCE_IPV4
+
+#ifdef FORCE_IPV4
+#define BIND_IP "0.0.0.0" /* Forces IPv4 */
+#else
+#define BIND_IP "::"
+#endif
+
+#if !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \
+ !defined(MBEDTLS_SSL_COOKIE_C) || !defined(MBEDTLS_NET_C) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_CERTS_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
+ !defined(MBEDTLS_TIMING_C)
+
+int main( void )
+{
+ printf( "MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+ "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or "
+ "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+ "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C and/or "
+ "MBEDTLS_TIMING_C not defined.\n" );
+ mbedtls_exit( 0 );
+}
+#else
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/ssl_cookie.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/error.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/timing.h"
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#include "mbedtls/ssl_cache.h"
+#endif
+
+#define READ_TIMEOUT_MS 10000 /* 10 seconds */
+#define DEBUG_LEVEL 0
+
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+int main( void )
+{
+ int ret, len;
+ mbedtls_net_context listen_fd, client_fd;
+ unsigned char buf[1024];
+ const char *pers = "dtls_server";
+ unsigned char client_ip[16] = { 0 };
+ size_t cliip_len;
+ mbedtls_ssl_cookie_ctx cookie_ctx;
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt srvcert;
+ mbedtls_pk_context pkey;
+ mbedtls_timing_delay_context timer;
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_context cache;
+#endif
+
+ mbedtls_net_init( &listen_fd );
+ mbedtls_net_init( &client_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_ssl_cookie_init( &cookie_ctx );
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_init( &cache );
+#endif
+ mbedtls_x509_crt_init( &srvcert );
+ mbedtls_pk_init( &pkey );
+ mbedtls_entropy_init( &entropy );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( DEBUG_LEVEL );
+#endif
+
+ /*
+ * 1. Load the certificates and private RSA key
+ */
+ printf( "\n . Loading the server cert. and key..." );
+ fflush( stdout );
+
+ /*
+ * This demonstration program uses embedded test certificates.
+ * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
+ * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
+ */
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+ mbedtls_test_srv_crt_len );
+ if( ret != 0 )
+ {
+ printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret != 0 )
+ {
+ printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+ mbedtls_test_srv_key_len, NULL, 0 );
+ if( ret != 0 )
+ {
+ printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
+ goto exit;
+ }
+
+ printf( " ok\n" );
+
+ /*
+ * 2. Setup the "listening" UDP socket
+ */
+ printf( " . Bind on udp/*/4433 ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_bind( &listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret );
+ goto exit;
+ }
+
+ printf( " ok\n" );
+
+ /*
+ * 3. Seed the RNG
+ */
+ printf( " . Seeding the random number generator..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+ goto exit;
+ }
+
+ printf( " ok\n" );
+
+ /*
+ * 4. Setup stuff
+ */
+ printf( " . Setting up the DTLS data..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_SERVER,
+ MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+ mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_conf_session_cache( &conf, &cache,
+ mbedtls_ssl_cache_get,
+ mbedtls_ssl_cache_set );
+#endif
+
+ mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
+ mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
+ &cookie_ctx );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+
+ printf( " ok\n" );
+
+reset:
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ printf("Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &client_fd );
+
+ mbedtls_ssl_session_reset( &ssl );
+
+ /*
+ * 3. Wait until a client connects
+ */
+ printf( " . Waiting for a remote connection ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+ client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
+ {
+ printf( " failed\n ! mbedtls_net_accept returned %d\n\n", ret );
+ goto exit;
+ }
+
+ /* For HelloVerifyRequest cookies */
+ if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
+ client_ip, cliip_len ) ) != 0 )
+ {
+ printf( " failed\n ! "
+ "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &client_fd,
+ mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+
+ printf( " ok\n" );
+
+ /*
+ * 5. Handshake
+ */
+ printf( " . Performing the DTLS handshake..." );
+ fflush( stdout );
+
+ do ret = mbedtls_ssl_handshake( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
+ {
+ printf( " hello verification requested\n" );
+ ret = 0;
+ goto reset;
+ }
+ else if( ret != 0 )
+ {
+ printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+ goto reset;
+ }
+
+ printf( " ok\n" );
+
+ /*
+ * 6. Read the echo Request
+ */
+ printf( " < Read from client:" );
+ fflush( stdout );
+
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+
+ do ret = mbedtls_ssl_read( &ssl, buf, len );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_TIMEOUT:
+ printf( " timeout\n\n" );
+ goto reset;
+
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ printf( " connection was closed gracefully\n" );
+ ret = 0;
+ goto close_notify;
+
+ default:
+ printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+ goto reset;
+ }
+ }
+
+ len = ret;
+ printf( " %d bytes read\n\n%s\n\n", len, buf );
+
+ /*
+ * 7. Write the 200 Response
+ */
+ printf( " > Write to client:" );
+ fflush( stdout );
+
+ do ret = mbedtls_ssl_write( &ssl, buf, len );
+ while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+
+ if( ret < 0 )
+ {
+ printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto exit;
+ }
+
+ len = ret;
+ printf( " %d bytes written\n\n%s\n\n", len, buf );
+
+ /*
+ * 8. Done, cleanly close the connection
+ */
+close_notify:
+ printf( " . Closing the connection..." );
+
+ /* No error checking, the connection might be closed already */
+ do ret = mbedtls_ssl_close_notify( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+ ret = 0;
+
+ printf( " done\n" );
+
+ goto reset;
+
+ /*
+ * Final clean-ups and exit
+ */
+exit:
+
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ printf( "Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &client_fd );
+ mbedtls_net_free( &listen_fd );
+
+ mbedtls_x509_crt_free( &srvcert );
+ mbedtls_pk_free( &pkey );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ssl_cookie_free( &cookie_ctx );
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_free( &cache );
+#endif
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ printf( " Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ /* Shell can not handle large exit numbers -> 1 for errors */
+ if( ret < 0 )
+ ret = 1;
+
+ mbedtls_exit( ret );
+}
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS &&
+ MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C &&
+ MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C
+ && MBEDTLS_CERTS_C && MBEDTLS_PEM_PARSE_C && MBEDTLS_TIMING_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/mini_client.c b/lib/mbedtls-2.27.0/programs/ssl/mini_client.c
new file mode 100644
index 0000000..0a9cc28
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/mini_client.c
@@ -0,0 +1,299 @@
+/*
+ * Minimal SSL client, used for memory measurements.
+ * (meant to be used with config-suite-b.h or config-ccm-psk-tls1_2.h)
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_printf printf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+/*
+ * We're creating and connecting the socket "manually" rather than using the
+ * NET module, in order to avoid the overhead of getaddrinfo() which tends to
+ * dominate memory usage in small configurations. For the sake of simplicity,
+ * only a Unix version is implemented.
+ *
+ * Warning: we are breaking some of the abtractions from the NET layer here.
+ * This is not a good example for general use. This programs has the specific
+ * goal of minimizing use of the libc functions on full-blown OSes.
+ */
+#if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
+#define UNIX
+#endif
+
+#if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+ !defined(UNIX)
+
+int main( void )
+{
+ mbedtls_printf( "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
+ "not defined.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include <string.h>
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+/*
+ * Hardcoded values for server host and port
+ */
+#define PORT_BE 0x1151 /* 4433 */
+#define PORT_LE 0x5111
+#define ADDR_BE 0x7f000001 /* 127.0.0.1 */
+#define ADDR_LE 0x0100007f
+#define HOSTNAME "localhost" /* for cert verification if enabled */
+
+#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
+
+const char *pers = "mini_client";
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+const unsigned char psk[] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+};
+const char psk_id[] = "Client_identity";
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+/* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */
+const unsigned char ca_cert[] = {
+ 0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01,
+ 0x02, 0x02, 0x09, 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8,
+ 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02,
+ 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
+ 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
+ 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
+ 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
+ 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
+ 0x43, 0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x39,
+ 0x32, 0x34, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32,
+ 0x33, 0x30, 0x39, 0x32, 0x32, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a,
+ 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
+ 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
+ 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
+ 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
+ 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
+ 0x43, 0x20, 0x43, 0x41, 0x30, 0x76, 0x30, 0x10, 0x06, 0x07, 0x2a, 0x86,
+ 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22,
+ 0x03, 0x62, 0x00, 0x04, 0xc3, 0xda, 0x2b, 0x34, 0x41, 0x37, 0x58, 0x2f,
+ 0x87, 0x56, 0xfe, 0xfc, 0x89, 0xba, 0x29, 0x43, 0x4b, 0x4e, 0xe0, 0x6e,
+ 0xc3, 0x0e, 0x57, 0x53, 0x33, 0x39, 0x58, 0xd4, 0x52, 0xb4, 0x91, 0x95,
+ 0x39, 0x0b, 0x23, 0xdf, 0x5f, 0x17, 0x24, 0x62, 0x48, 0xfc, 0x1a, 0x95,
+ 0x29, 0xce, 0x2c, 0x2d, 0x87, 0xc2, 0x88, 0x52, 0x80, 0xaf, 0xd6, 0x6a,
+ 0xab, 0x21, 0xdd, 0xb8, 0xd3, 0x1c, 0x6e, 0x58, 0xb8, 0xca, 0xe8, 0xb2,
+ 0x69, 0x8e, 0xf3, 0x41, 0xad, 0x29, 0xc3, 0xb4, 0x5f, 0x75, 0xa7, 0x47,
+ 0x6f, 0xd5, 0x19, 0x29, 0x55, 0x69, 0x9a, 0x53, 0x3b, 0x20, 0xb4, 0x66,
+ 0x16, 0x60, 0x33, 0x1e, 0xa3, 0x81, 0xa0, 0x30, 0x81, 0x9d, 0x30, 0x1d,
+ 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x9d, 0x6d, 0x20,
+ 0x24, 0x49, 0x01, 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24,
+ 0xc9, 0xdb, 0xfb, 0x36, 0x7c, 0x30, 0x6e, 0x06, 0x03, 0x55, 0x1d, 0x23,
+ 0x04, 0x67, 0x30, 0x65, 0x80, 0x14, 0x9d, 0x6d, 0x20, 0x24, 0x49, 0x01,
+ 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, 0xc9, 0xdb, 0xfb,
+ 0x36, 0x7c, 0xa1, 0x42, 0xa4, 0x40, 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09,
+ 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30,
+ 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61,
+ 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
+ 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20,
+ 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x43, 0x20, 0x43, 0x41, 0x82, 0x09,
+ 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, 0x30, 0x0c, 0x06,
+ 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30,
+ 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03,
+ 0x69, 0x00, 0x30, 0x66, 0x02, 0x31, 0x00, 0xc3, 0xb4, 0x62, 0x73, 0x56,
+ 0x28, 0x95, 0x00, 0x7d, 0x78, 0x12, 0x26, 0xd2, 0x71, 0x7b, 0x19, 0xf8,
+ 0x8a, 0x98, 0x3e, 0x92, 0xfe, 0x33, 0x9e, 0xe4, 0x79, 0xd2, 0xfe, 0x7a,
+ 0xb7, 0x87, 0x74, 0x3c, 0x2b, 0xb8, 0xd7, 0x69, 0x94, 0x0b, 0xa3, 0x67,
+ 0x77, 0xb8, 0xb3, 0xbe, 0xd1, 0x36, 0x32, 0x02, 0x31, 0x00, 0xfd, 0x67,
+ 0x9c, 0x94, 0x23, 0x67, 0xc0, 0x56, 0xba, 0x4b, 0x33, 0x15, 0x00, 0xc6,
+ 0xe3, 0xcc, 0x31, 0x08, 0x2c, 0x9c, 0x8b, 0xda, 0xa9, 0x75, 0x23, 0x2f,
+ 0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c,
+ 0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20,
+};
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+enum exit_codes
+{
+ exit_ok = 0,
+ ctr_drbg_seed_failed,
+ ssl_config_defaults_failed,
+ ssl_setup_failed,
+ hostname_failed,
+ socket_failed,
+ connect_failed,
+ x509_crt_parse_failed,
+ ssl_handshake_failed,
+ ssl_write_failed,
+};
+
+
+int main( void )
+{
+ int ret = exit_ok;
+ mbedtls_net_context server_fd;
+ struct sockaddr_in addr;
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt ca;
+#endif
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+ /*
+ * 0. Initialize and setup stuff
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_init( &ca );
+#endif
+
+ mbedtls_entropy_init( &entropy );
+ if( mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers, strlen( pers ) ) != 0 )
+ {
+ ret = ctr_drbg_seed_failed;
+ goto exit;
+ }
+
+ if( mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
+ {
+ ret = ssl_config_defaults_failed;
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+ mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
+ (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( mbedtls_x509_crt_parse_der( &ca, ca_cert, sizeof( ca_cert ) ) != 0 )
+ {
+ ret = x509_crt_parse_failed;
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_ca_chain( &conf, &ca, NULL );
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
+#endif
+
+ if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
+ {
+ ret = ssl_setup_failed;
+ goto exit;
+ }
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( mbedtls_ssl_set_hostname( &ssl, HOSTNAME ) != 0 )
+ {
+ ret = hostname_failed;
+ goto exit;
+ }
+#endif
+
+ /*
+ * 1. Start the connection
+ */
+ memset( &addr, 0, sizeof( addr ) );
+ addr.sin_family = AF_INET;
+
+ ret = 1; /* for endianness detection */
+ addr.sin_port = *((char *) &ret) == ret ? PORT_LE : PORT_BE;
+ addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
+ ret = 0;
+
+ if( ( server_fd.fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
+ {
+ ret = socket_failed;
+ goto exit;
+ }
+
+ if( connect( server_fd.fd,
+ (const struct sockaddr *) &addr, sizeof( addr ) ) < 0 )
+ {
+ ret = connect_failed;
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ if( mbedtls_ssl_handshake( &ssl ) != 0 )
+ {
+ ret = ssl_handshake_failed;
+ goto exit;
+ }
+
+ /*
+ * 2. Write the GET request and close the connection
+ */
+ if( mbedtls_ssl_write( &ssl, (const unsigned char *) GET_REQUEST,
+ sizeof( GET_REQUEST ) - 1 ) <= 0 )
+ {
+ ret = ssl_write_failed;
+ goto exit;
+ }
+
+ mbedtls_ssl_close_notify( &ssl );
+
+exit:
+ mbedtls_net_free( &server_fd );
+
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_free( &ca );
+#endif
+
+ mbedtls_exit( ret );
+}
+#endif
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_client1.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_client1.c
new file mode 100644
index 0000000..61a849c
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_client1.c
@@ -0,0 +1,318 @@
+/*
+ * SSL client demonstration program
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_time time
+#define mbedtls_time_t time_t
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \
+ !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_CERTS_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
+ !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C)
+int main( void )
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
+ "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+ "not defined.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/error.h"
+#include "mbedtls/certs.h"
+
+#include <string.h>
+
+#define SERVER_PORT "4433"
+#define SERVER_NAME "localhost"
+#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
+
+#define DEBUG_LEVEL 1
+
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+int main( void )
+{
+ int ret = 1, len;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_net_context server_fd;
+ uint32_t flags;
+ unsigned char buf[1024];
+ const char *pers = "ssl_client1";
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt cacert;
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( DEBUG_LEVEL );
+#endif
+
+ /*
+ * 0. Initialize the RNG and the session data
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_x509_crt_init( &cacert );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+ mbedtls_printf( "\n . Seeding the random number generator..." );
+ fflush( stdout );
+
+ mbedtls_entropy_init( &entropy );
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 0. Initialize certificates
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+ ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+ /*
+ * 1. Start the connection
+ */
+ mbedtls_printf( " . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
+ SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the SSL/TLS structure..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /* OPTIONAL is not optimal for security,
+ * but makes interop easier in this simplified example */
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ /*
+ * 4. Handshake
+ */
+ mbedtls_printf( " . Performing the SSL/TLS handshake..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 5. Verify the server certificate
+ */
+ mbedtls_printf( " . Verifying peer X.509 certificate..." );
+
+ /* In real life, we probably want to bail out when ret != 0 */
+ if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 3. Write the GET request
+ */
+ mbedtls_printf( " > Write to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, GET_REQUEST );
+
+ while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes written\n\n%s", len, (char *) buf );
+
+ /*
+ * 7. Read the HTTP response
+ */
+ mbedtls_printf( " < Read from server:" );
+ fflush( stdout );
+
+ do
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ continue;
+
+ if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+ break;
+
+ if( ret < 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_ssl_read returned %d\n\n", ret );
+ break;
+ }
+
+ if( ret == 0 )
+ {
+ mbedtls_printf( "\n\nEOF\n\n" );
+ break;
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+ }
+ while( 1 );
+
+ mbedtls_ssl_close_notify( &ssl );
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+#ifdef MBEDTLS_ERROR_C
+ if( exit_code != MBEDTLS_EXIT_SUCCESS )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &server_fd );
+
+ mbedtls_x509_crt_free( &cacert );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ mbedtls_printf( " + Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ mbedtls_exit( exit_code );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
+ MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
+ MBEDTLS_CERTS_C && MBEDTLS_PEM_PARSE_C && MBEDTLS_CTR_DRBG_C &&
+ MBEDTLS_X509_CRT_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c
new file mode 100644
index 0000000..3937981
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c
@@ -0,0 +1,3081 @@
+/*
+ * SSL client with certificate authentication
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ssl_test_lib.h"
+
+#if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
+int main( void )
+{
+ mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
+ mbedtls_exit( 0 );
+}
+#elif !defined(MBEDTLS_SSL_CLI_C)
+int main( void )
+{
+ mbedtls_printf( "MBEDTLS_SSL_CLI_C not defined.\n" );
+ mbedtls_exit( 0 );
+}
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
+
+/* Size of memory to be allocated for the heap, when using the library's memory
+ * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
+#define MEMORY_HEAP_SIZE 120000
+
+#define MAX_REQUEST_SIZE 20000
+#define MAX_REQUEST_SIZE_STR "20000"
+
+#define DFL_SERVER_NAME "localhost"
+#define DFL_SERVER_ADDR NULL
+#define DFL_SERVER_PORT "4433"
+#define DFL_REQUEST_PAGE "/"
+#define DFL_REQUEST_SIZE -1
+#define DFL_DEBUG_LEVEL 0
+#define DFL_CONTEXT_CRT_CB 0
+#define DFL_NBIO 0
+#define DFL_EVENT 0
+#define DFL_READ_TIMEOUT 0
+#define DFL_MAX_RESEND 0
+#define DFL_CA_FILE ""
+#define DFL_CA_PATH ""
+#define DFL_CRT_FILE ""
+#define DFL_KEY_FILE ""
+#define DFL_KEY_OPAQUE 0
+#define DFL_KEY_PWD ""
+#define DFL_PSK ""
+#define DFL_PSK_OPAQUE 0
+#define DFL_PSK_IDENTITY "Client_identity"
+#define DFL_ECJPAKE_PW NULL
+#define DFL_EC_MAX_OPS -1
+#define DFL_FORCE_CIPHER 0
+#define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED
+#define DFL_ALLOW_LEGACY -2
+#define DFL_RENEGOTIATE 0
+#define DFL_EXCHANGES 1
+#define DFL_MIN_VERSION -1
+#define DFL_MAX_VERSION -1
+#define DFL_ARC4 -1
+#define DFL_SHA1 -1
+#define DFL_AUTH_MODE -1
+#define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE
+#define DFL_TRUNC_HMAC -1
+#define DFL_RECSPLIT -1
+#define DFL_DHMLEN -1
+#define DFL_RECONNECT 0
+#define DFL_RECO_DELAY 0
+#define DFL_RECO_MODE 1
+#define DFL_CID_ENABLED 0
+#define DFL_CID_VALUE ""
+#define DFL_CID_ENABLED_RENEGO -1
+#define DFL_CID_VALUE_RENEGO NULL
+#define DFL_RECONNECT_HARD 0
+#define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED
+#define DFL_ALPN_STRING NULL
+#define DFL_CURVES NULL
+#define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM
+#define DFL_HS_TO_MIN 0
+#define DFL_HS_TO_MAX 0
+#define DFL_DTLS_MTU -1
+#define DFL_DGRAM_PACKING 1
+#define DFL_FALLBACK -1
+#define DFL_EXTENDED_MS -1
+#define DFL_ETM -1
+#define DFL_SERIALIZE 0
+#define DFL_CONTEXT_FILE ""
+#define DFL_EXTENDED_MS_ENFORCE -1
+#define DFL_CA_CALLBACK 0
+#define DFL_EAP_TLS 0
+#define DFL_REPRODUCIBLE 0
+#define DFL_NSS_KEYLOG 0
+#define DFL_NSS_KEYLOG_FILE NULL
+#define DFL_SKIP_CLOSE_NOTIFY 0
+#define DFL_QUERY_CONFIG_MODE 0
+#define DFL_USE_SRTP 0
+#define DFL_SRTP_FORCE_PROFILE 0
+#define DFL_SRTP_MKI ""
+
+#define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
+#define GET_REQUEST_END "\r\n\r\n"
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#define USAGE_CONTEXT_CRT_CB \
+ " context_crt_cb=%%d This determines whether the CRT verification callback is bound\n" \
+ " to the SSL configuration of the SSL context.\n" \
+ " Possible values:\n"\
+ " - 0 (default): Use CRT callback bound to configuration\n" \
+ " - 1: Use CRT callback bound to SSL context\n"
+#else
+#define USAGE_CONTEXT_CRT_CB ""
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_FS_IO)
+#define USAGE_IO \
+ " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (pre-loaded)\n" \
+ " use \"none\" to skip loading any top-level CAs.\n" \
+ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (pre-loaded) (overrides ca_file)\n" \
+ " use \"none\" to skip loading any top-level CAs.\n" \
+ " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
+ " default: \"\" (pre-loaded)\n" \
+ " key_file=%%s default: \"\" (pre-loaded)\n"\
+ " key_pwd=%%s Password for key specified by key_file argument\n"\
+ " default: none\n"
+#else
+#define USAGE_IO \
+ " No file operations available (MBEDTLS_FS_IO not defined)\n"
+#endif /* MBEDTLS_FS_IO */
+#else /* MBEDTLS_X509_CRT_PARSE_C */
+#define USAGE_IO ""
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
+#define USAGE_KEY_OPAQUE \
+ " key_opaque=%%d Handle your private key as if it were opaque\n" \
+ " default: 0 (disabled)\n"
+#else
+#define USAGE_KEY_OPAQUE ""
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#define USAGE_CID \
+ " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
+ " default: 0 (disabled)\n" \
+ " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
+ " default: same as 'cid' parameter\n" \
+ " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \
+ " default: \"\"\n" \
+ " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \
+ " default: same as 'cid_val' parameter\n"
+#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#define USAGE_CID ""
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#define USAGE_PSK_RAW \
+ " psk=%%s default: \"\" (disabled)\n" \
+ " The PSK values are in hex, without 0x.\n" \
+ " psk_identity=%%s default: \"Client_identity\"\n"
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#define USAGE_PSK_SLOT \
+ " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \
+ " Enable this to store the PSK configured through command line\n" \
+ " parameter `psk` in a PSA-based key slot.\n" \
+ " Note: Currently only supported in conjunction with\n" \
+ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
+ " to force a particular PSK-only ciphersuite.\n" \
+ " Note: This is to test integration of PSA-based opaque PSKs with\n" \
+ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
+ " with prepopulated key slots instead of importing raw key material.\n"
+#else
+#define USAGE_PSK_SLOT ""
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
+#else
+#define USAGE_PSK ""
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+#define USAGE_CA_CALLBACK \
+ " ca_callback=%%d default: 0 (disabled)\n" \
+ " Enable this to use the trusted certificate callback function\n"
+#else
+#define USAGE_CA_CALLBACK ""
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+#define USAGE_TICKETS \
+ " tickets=%%d default: 1 (enabled)\n"
+#else
+#define USAGE_TICKETS ""
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#define USAGE_EAP_TLS \
+ " eap_tls=%%d default: 0 (disabled)\n"
+#define USAGE_NSS_KEYLOG \
+ " nss_keylog=%%d default: 0 (disabled)\n" \
+ " This cannot be used with eap_tls=1\n"
+#define USAGE_NSS_KEYLOG_FILE \
+ " nss_keylog_file=%%s\n"
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+#define USAGE_SRTP \
+ " use_srtp=%%d default: 0 (disabled)\n" \
+ " This cannot be used with eap_tls=1 or "\
+ " nss_keylog=1\n" \
+ " srtp_force_profile=%%d default: 0 (all enabled)\n" \
+ " available profiles:\n" \
+ " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \
+ " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \
+ " 3 - SRTP_NULL_HMAC_SHA1_80\n" \
+ " 4 - SRTP_NULL_HMAC_SHA1_32\n" \
+ " mki=%%s default: \"\" (in hex, without 0x)\n"
+#else /* MBEDTLS_SSL_DTLS_SRTP */
+#define USAGE_SRTP ""
+#endif
+#else /* MBEDTLS_SSL_EXPORT_KEYS */
+#define USAGE_EAP_TLS ""
+#define USAGE_NSS_KEYLOG ""
+#define USAGE_NSS_KEYLOG_FILE ""
+#define USAGE_SRTP ""
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+#define USAGE_TRUNC_HMAC \
+ " trunc_hmac=%%d default: library default\n"
+#else
+#define USAGE_TRUNC_HMAC ""
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+#define USAGE_MAX_FRAG_LEN \
+ " max_frag_len=%%d default: 16384 (tls default)\n" \
+ " options: 512, 1024, 2048, 4096\n"
+#else
+#define USAGE_MAX_FRAG_LEN ""
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
+
+#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
+#define USAGE_RECSPLIT \
+ " recsplit=0/1 default: (library default: on)\n"
+#else
+#define USAGE_RECSPLIT
+#endif
+
+#if defined(MBEDTLS_DHM_C)
+#define USAGE_DHMLEN \
+ " dhmlen=%%d default: (library default: 1024 bits)\n"
+#else
+#define USAGE_DHMLEN
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+#define USAGE_ALPN \
+ " alpn=%%s default: \"\" (disabled)\n" \
+ " example: spdy/1,http/1.1\n"
+#else
+#define USAGE_ALPN ""
+#endif /* MBEDTLS_SSL_ALPN */
+
+#if defined(MBEDTLS_ECP_C)
+#define USAGE_CURVES \
+ " curves=a,b,c,d default: \"default\" (library default)\n" \
+ " example: \"secp521r1,brainpoolP512r1\"\n" \
+ " - use \"none\" for empty list\n" \
+ " - see mbedtls_ecp_curve_list()\n" \
+ " for acceptable curve names\n"
+#else
+#define USAGE_CURVES ""
+#endif
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+#define USAGE_DTLS \
+ " dtls=%%d default: 0 (TLS)\n" \
+ " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \
+ " range of DTLS handshake timeouts in millisecs\n" \
+ " mtu=%%d default: (library default: unlimited)\n" \
+ " dgram_packing=%%d default: 1 (allowed)\n" \
+ " allow or forbid packing of multiple\n" \
+ " records within a single datgram.\n"
+#else
+#define USAGE_DTLS ""
+#endif
+
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
+#define USAGE_FALLBACK \
+ " fallback=0/1 default: (library default: off)\n"
+#else
+#define USAGE_FALLBACK ""
+#endif
+
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+#define USAGE_EMS \
+ " extended_ms=0/1 default: (library default: on)\n"
+#else
+#define USAGE_EMS ""
+#endif
+
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#define USAGE_ETM \
+ " etm=0/1 default: (library default: on)\n"
+#else
+#define USAGE_ETM ""
+#endif
+
+#define USAGE_REPRODUCIBLE \
+ " reproducible=0/1 default: 0 (disabled)\n"
+
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+#define USAGE_RENEGO \
+ " renegotiation=%%d default: 0 (disabled)\n" \
+ " renegotiate=%%d default: 0 (disabled)\n"
+#else
+#define USAGE_RENEGO ""
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+#define USAGE_ECJPAKE \
+ " ecjpake_pw=%%s default: none (disabled)\n"
+#else
+#define USAGE_ECJPAKE ""
+#endif
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+#define USAGE_ECRESTART \
+ " ec_max_ops=%%s default: library default (restart disabled)\n"
+#else
+#define USAGE_ECRESTART ""
+#endif
+
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#define USAGE_SERIALIZATION \
+ " serialize=%%d default: 0 (do not serialize/deserialize)\n" \
+ " options: 1 (serialize)\n" \
+ " 2 (serialize with re-initialization)\n" \
+ " context_file=%%s The file path to write a serialized connection\n"\
+ " in the form of base64 code (serialize option\n" \
+ " must be set)\n" \
+ " default: \"\" (do nothing)\n" \
+ " option: a file path\n"
+#else
+#define USAGE_SERIALIZATION ""
+#endif
+
+/* USAGE is arbitrarily split to stay under the portable string literal
+ * length limit: 4095 bytes in C99. */
+#define USAGE1 \
+ "\n usage: ssl_client2 param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " server_name=%%s default: localhost\n" \
+ " server_addr=%%s default: given by name\n" \
+ " server_port=%%d default: 4433\n" \
+ " request_page=%%s default: \".\"\n" \
+ " request_size=%%d default: about 34 (basic request)\n" \
+ " (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \
+ " If 0, in the first exchange only an empty\n" \
+ " application data message is sent followed by\n" \
+ " a second non-empty message before attempting\n" \
+ " to read a response from the server\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " nbio=%%d default: 0 (blocking I/O)\n" \
+ " options: 1 (non-blocking), 2 (added delays)\n" \
+ " event=%%d default: 0 (loop)\n" \
+ " options: 1 (level-triggered, implies nbio=1),\n" \
+ " read_timeout=%%d default: 0 ms (no timeout)\n" \
+ " max_resend=%%d default: 0 (no resend on timeout)\n" \
+ " skip_close_notify=%%d default: 0 (send close_notify)\n" \
+ "\n" \
+ USAGE_DTLS \
+ USAGE_CID \
+ USAGE_SRTP \
+ "\n"
+#define USAGE2 \
+ " auth_mode=%%s default: (library default: none)\n" \
+ " options: none, optional, required\n" \
+ USAGE_IO \
+ USAGE_KEY_OPAQUE \
+ USAGE_CA_CALLBACK \
+ "\n" \
+ USAGE_PSK \
+ USAGE_ECJPAKE \
+ USAGE_ECRESTART \
+ "\n"
+#define USAGE3 \
+ " allow_legacy=%%d default: (library default: no)\n" \
+ USAGE_RENEGO \
+ " exchanges=%%d default: 1\n" \
+ " reconnect=%%d number of reconnections using session resumption\n" \
+ " default: 0 (disabled)\n" \
+ " reco_delay=%%d default: 0 seconds\n" \
+ " reco_mode=%%d 0: copy session, 1: serialize session\n" \
+ " default: 1\n" \
+ " reconnect_hard=%%d default: 0 (disabled)\n" \
+ USAGE_TICKETS \
+ USAGE_EAP_TLS \
+ USAGE_MAX_FRAG_LEN \
+ USAGE_TRUNC_HMAC \
+ USAGE_CONTEXT_CRT_CB \
+ USAGE_ALPN \
+ USAGE_FALLBACK \
+ USAGE_EMS \
+ USAGE_ETM \
+ USAGE_REPRODUCIBLE \
+ USAGE_CURVES \
+ USAGE_RECSPLIT \
+ USAGE_DHMLEN \
+ "\n"
+#define USAGE4 \
+ " arc4=%%d default: (library default: 0)\n" \
+ " allow_sha1=%%d default: 0\n" \
+ " min_version=%%s default: (library default: tls1)\n" \
+ " max_version=%%s default: (library default: tls1_2)\n" \
+ " force_version=%%s default: \"\" (none)\n" \
+ " options: ssl3, tls1, tls1_1, tls1_2, dtls1, dtls1_2\n" \
+ "\n" \
+ " force_ciphersuite=<name> default: all enabled\n"\
+ " query_config=<name> return 0 if the specified\n" \
+ " configuration macro is defined and 1\n" \
+ " otherwise. The expansion of the macro\n" \
+ " is printed if it is defined\n" \
+ USAGE_SERIALIZATION \
+ " acceptable ciphersuite names:\n"
+
+#define ALPN_LIST_SIZE 10
+#define CURVE_LIST_SIZE 20
+
+
+/*
+ * global options
+ */
+struct options
+{
+ const char *server_name; /* hostname of the server (client only) */
+ const char *server_addr; /* address of the server (client only) */
+ const char *server_port; /* port on which the ssl service runs */
+ int debug_level; /* level of debugging */
+ int nbio; /* should I/O be blocking? */
+ int event; /* loop or event-driven IO? level or edge triggered? */
+ uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */
+ int max_resend; /* DTLS times to resend on read timeout */
+ const char *request_page; /* page on server to request */
+ int request_size; /* pad request with header to requested size */
+ const char *ca_file; /* the file with the CA certificate(s) */
+ const char *ca_path; /* the path with the CA certificate(s) reside */
+ const char *crt_file; /* the file with the client certificate */
+ const char *key_file; /* the file with the client key */
+ int key_opaque; /* handle private key as if it were opaque */
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ int psk_opaque;
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ int ca_callback; /* Use callback for trusted certificate list */
+#endif
+ const char *key_pwd; /* the password for the client key */
+ const char *psk; /* the pre-shared key */
+ const char *psk_identity; /* the pre-shared key identity */
+ const char *ecjpake_pw; /* the EC J-PAKE password */
+ int ec_max_ops; /* EC consecutive operations limit */
+ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
+ int renegotiation; /* enable / disable renegotiation */
+ int allow_legacy; /* allow legacy renegotiation */
+ int renegotiate; /* attempt renegotiation? */
+ int renego_delay; /* delay before enforcing renegotiation */
+ int exchanges; /* number of data exchanges */
+ int min_version; /* minimum protocol version accepted */
+ int max_version; /* maximum protocol version accepted */
+ int arc4; /* flag for arc4 suites support */
+ int allow_sha1; /* flag for SHA-1 support */
+ int auth_mode; /* verify mode for connection */
+ unsigned char mfl_code; /* code for maximum fragment length */
+ int trunc_hmac; /* negotiate truncated hmac or not */
+ int recsplit; /* enable record splitting? */
+ int dhmlen; /* minimum DHM params len in bits */
+ int reconnect; /* attempt to resume session */
+ int reco_delay; /* delay in seconds before resuming session */
+ int reco_mode; /* how to keep the session around */
+ int reconnect_hard; /* unexpectedly reconnect from the same port */
+ int tickets; /* enable / disable session tickets */
+ const char *curves; /* list of supported elliptic curves */
+ const char *alpn_string; /* ALPN supported protocols */
+ int transport; /* TLS or DTLS? */
+ uint32_t hs_to_min; /* Initial value of DTLS handshake timer */
+ uint32_t hs_to_max; /* Max value of DTLS handshake timer */
+ int dtls_mtu; /* UDP Maximum tranport unit for DTLS */
+ int fallback; /* is this a fallback connection? */
+ int dgram_packing; /* allow/forbid datagram packing */
+ int extended_ms; /* negotiate extended master secret? */
+ int etm; /* negotiate encrypt then mac? */
+ int context_crt_cb; /* use context-specific CRT verify callback */
+ int eap_tls; /* derive EAP-TLS keying material? */
+ int nss_keylog; /* export NSS key log material */
+ const char *nss_keylog_file; /* NSS key log file */
+ int cid_enabled; /* whether to use the CID extension or not */
+ int cid_enabled_renego; /* whether to use the CID extension or not
+ * during renegotiation */
+ const char *cid_val; /* the CID to use for incoming messages */
+ int serialize; /* serialize/deserialize connection */
+ const char *context_file; /* the file to write a serialized connection
+ * in the form of base64 code (serialize
+ * option must be set) */
+ const char *cid_val_renego; /* the CID to use for incoming messages
+ * after renegotiation */
+ int reproducible; /* make communication reproducible */
+ int skip_close_notify; /* skip sending the close_notify alert */
+ int query_config_mode; /* whether to read config */
+ int use_srtp; /* Support SRTP */
+ int force_srtp_profile; /* SRTP protection profile to use or all */
+ const char *mki; /* The dtls mki value to use */
+} opt;
+
+#include "ssl_test_common_source.c"
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+static unsigned char peer_crt_info[1024];
+
+/*
+ * Enabled if debug_level > 1 in code below
+ */
+static int my_verify( void *data, mbedtls_x509_crt *crt,
+ int depth, uint32_t *flags )
+{
+ char buf[1024];
+ ((void) data);
+
+ mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
+ if( depth == 0 )
+ memcpy( peer_crt_info, buf, sizeof( buf ) );
+
+ if( opt.debug_level == 0 )
+ return( 0 );
+
+ mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
+ mbedtls_printf( "%s", buf );
+
+ if ( ( *flags ) == 0 )
+ mbedtls_printf( " This certificate has no flags\n" );
+ else
+ {
+ mbedtls_x509_crt_verify_info( buf, sizeof( buf ), " ! ", *flags );
+ mbedtls_printf( "%s\n", buf );
+ }
+
+ return( 0 );
+}
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+int report_cid_usage( mbedtls_ssl_context *ssl,
+ const char *additional_description )
+{
+ int ret;
+ unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+ size_t peer_cid_len;
+ int cid_negotiated;
+
+ if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ return( 0 );
+
+ /* Check if the use of a CID has been negotiated,
+ * but don't ask for the CID value and length.
+ *
+ * Note: Here and below, we're demonstrating the various ways
+ * in which mbedtls_ssl_get_peer_cid() can be called,
+ * depending on whether or not the length/value of the
+ * peer's CID is needed.
+ *
+ * An actual application, however, should use
+ * just one call to mbedtls_ssl_get_peer_cid(). */
+ ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
+ NULL, NULL );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+ (unsigned int) -ret );
+ return( ret );
+ }
+
+ if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
+ {
+ if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
+ {
+ mbedtls_printf( "(%s) Use of Connection ID was rejected by the server.\n",
+ additional_description );
+ }
+ }
+ else
+ {
+ size_t idx=0;
+ mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
+ additional_description );
+
+ /* Ask for just the length of the peer's CID. */
+ ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
+ NULL, &peer_cid_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+ (unsigned int) -ret );
+ return( ret );
+ }
+
+ /* Ask for just length + value of the peer's CID. */
+ ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
+ peer_cid, &peer_cid_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+ (unsigned int) -ret );
+ return( ret );
+ }
+ mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
+ additional_description,
+ (unsigned) peer_cid_len );
+ while( idx < peer_cid_len )
+ {
+ mbedtls_printf( "%02x ", peer_cid[ idx ] );
+ idx++;
+ }
+ mbedtls_printf( "\n" );
+ }
+
+ return( 0 );
+}
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+int main( int argc, char *argv[] )
+{
+ int ret = 0, len, tail_len, i, written, frags, retry_left;
+ int query_config_ret = 0;
+ mbedtls_net_context server_fd;
+ io_ctx_t io_ctx;
+
+ unsigned char buf[MAX_REQUEST_SIZE + 1];
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+ unsigned char psk[MBEDTLS_PSK_MAX_LEN];
+ size_t psk_len = 0;
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
+ unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
+ size_t cid_len = 0;
+ size_t cid_renego_len = 0;
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+ const char *alpn_list[ALPN_LIST_SIZE];
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ unsigned char alloc_buf[MEMORY_HEAP_SIZE];
+#endif
+
+#if defined(MBEDTLS_ECP_C)
+ mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE];
+ const mbedtls_ecp_curve_info *curve_cur;
+#endif
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+ unsigned char mki[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH];
+ size_t mki_len=0;
+#endif
+
+ const char *pers = "ssl_client2";
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_key_id_t slot = 0;
+ psa_algorithm_t alg = 0;
+ psa_key_attributes_t key_attributes;
+ psa_status_t status;
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
+#endif
+ rng_context_t rng;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_ssl_session saved_session;
+ unsigned char *session_data = NULL;
+ size_t session_data_len = 0;
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_timing_delay_context timer;
+#endif
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ uint32_t flags;
+ mbedtls_x509_crt cacert;
+ mbedtls_x509_crt clicert;
+ mbedtls_pk_context pkey;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_key_id_t key_slot = 0; /* invalid key slot */
+#endif
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+ char *p, *q;
+ const int *list;
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ unsigned char *context_buf = NULL;
+ size_t context_buf_len;
+#endif
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ unsigned char eap_tls_keymaterial[16];
+ unsigned char eap_tls_iv[8];
+ const char* eap_tls_label = "client EAP encryption";
+ eap_tls_keys eap_tls_keying;
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ /*! master keys and master salt for SRTP generated during handshake */
+ unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
+ const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+ dtls_srtp_keys dtls_srtp_keying;
+ const mbedtls_ssl_srtp_profile default_profiles[] = {
+ MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
+ MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
+ MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
+ MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
+ MBEDTLS_TLS_SRTP_UNSET
+ };
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+#endif
+
+#if defined(MBEDTLS_TEST_HOOKS)
+ test_hooks_init( );
+#endif /* MBEDTLS_TEST_HOOKS */
+
+ /*
+ * Make sure memory references are valid.
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
+ rng_init( &rng );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_init( &cacert );
+ mbedtls_x509_crt_init( &clicert );
+ mbedtls_pk_init( &pkey );
+#endif
+#if defined(MBEDTLS_SSL_ALPN)
+ memset( (void * ) alpn_list, 0, sizeof( alpn_list ) );
+#endif
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ status = psa_crypto_init();
+ if( status != PSA_SUCCESS )
+ {
+ mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status );
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+ mbedtls_test_enable_insecure_external_rng( );
+#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+
+ if( argc == 0 )
+ {
+ usage:
+ if( ret == 0 )
+ ret = 1;
+
+ mbedtls_printf( USAGE1 );
+ mbedtls_printf( USAGE2 );
+ mbedtls_printf( USAGE3 );
+ mbedtls_printf( USAGE4 );
+
+ list = mbedtls_ssl_list_ciphersuites();
+ while( *list )
+ {
+ mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+ list++;
+ if( !*list )
+ break;
+ mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+ list++;
+ }
+ mbedtls_printf("\n");
+ goto exit;
+ }
+
+ opt.server_name = DFL_SERVER_NAME;
+ opt.server_addr = DFL_SERVER_ADDR;
+ opt.server_port = DFL_SERVER_PORT;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.cid_enabled = DFL_CID_ENABLED;
+ opt.cid_val = DFL_CID_VALUE;
+ opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
+ opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
+ opt.nbio = DFL_NBIO;
+ opt.event = DFL_EVENT;
+ opt.context_crt_cb = DFL_CONTEXT_CRT_CB;
+ opt.read_timeout = DFL_READ_TIMEOUT;
+ opt.max_resend = DFL_MAX_RESEND;
+ opt.request_page = DFL_REQUEST_PAGE;
+ opt.request_size = DFL_REQUEST_SIZE;
+ opt.ca_file = DFL_CA_FILE;
+ opt.ca_path = DFL_CA_PATH;
+ opt.crt_file = DFL_CRT_FILE;
+ opt.key_file = DFL_KEY_FILE;
+ opt.key_opaque = DFL_KEY_OPAQUE;
+ opt.key_pwd = DFL_KEY_PWD;
+ opt.psk = DFL_PSK;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ opt.psk_opaque = DFL_PSK_OPAQUE;
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ opt.ca_callback = DFL_CA_CALLBACK;
+#endif
+ opt.psk_identity = DFL_PSK_IDENTITY;
+ opt.ecjpake_pw = DFL_ECJPAKE_PW;
+ opt.ec_max_ops = DFL_EC_MAX_OPS;
+ opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+ opt.renegotiation = DFL_RENEGOTIATION;
+ opt.allow_legacy = DFL_ALLOW_LEGACY;
+ opt.renegotiate = DFL_RENEGOTIATE;
+ opt.exchanges = DFL_EXCHANGES;
+ opt.min_version = DFL_MIN_VERSION;
+ opt.max_version = DFL_MAX_VERSION;
+ opt.arc4 = DFL_ARC4;
+ opt.allow_sha1 = DFL_SHA1;
+ opt.auth_mode = DFL_AUTH_MODE;
+ opt.mfl_code = DFL_MFL_CODE;
+ opt.trunc_hmac = DFL_TRUNC_HMAC;
+ opt.recsplit = DFL_RECSPLIT;
+ opt.dhmlen = DFL_DHMLEN;
+ opt.reconnect = DFL_RECONNECT;
+ opt.reco_delay = DFL_RECO_DELAY;
+ opt.reco_mode = DFL_RECO_MODE;
+ opt.reconnect_hard = DFL_RECONNECT_HARD;
+ opt.tickets = DFL_TICKETS;
+ opt.alpn_string = DFL_ALPN_STRING;
+ opt.curves = DFL_CURVES;
+ opt.transport = DFL_TRANSPORT;
+ opt.hs_to_min = DFL_HS_TO_MIN;
+ opt.hs_to_max = DFL_HS_TO_MAX;
+ opt.dtls_mtu = DFL_DTLS_MTU;
+ opt.fallback = DFL_FALLBACK;
+ opt.extended_ms = DFL_EXTENDED_MS;
+ opt.etm = DFL_ETM;
+ opt.dgram_packing = DFL_DGRAM_PACKING;
+ opt.serialize = DFL_SERIALIZE;
+ opt.context_file = DFL_CONTEXT_FILE;
+ opt.eap_tls = DFL_EAP_TLS;
+ opt.reproducible = DFL_REPRODUCIBLE;
+ opt.nss_keylog = DFL_NSS_KEYLOG;
+ opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE;
+ opt.skip_close_notify = DFL_SKIP_CLOSE_NOTIFY;
+ opt.query_config_mode = DFL_QUERY_CONFIG_MODE;
+ opt.use_srtp = DFL_USE_SRTP;
+ opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE;
+ opt.mki = DFL_SRTP_MKI;
+
+ for( i = 1; i < argc; i++ )
+ {
+ p = argv[i];
+ if( ( q = strchr( p, '=' ) ) == NULL )
+ goto usage;
+ *q++ = '\0';
+
+ if( strcmp( p, "server_name" ) == 0 )
+ opt.server_name = q;
+ else if( strcmp( p, "server_addr" ) == 0 )
+ opt.server_addr = q;
+ else if( strcmp( p, "server_port" ) == 0 )
+ opt.server_port = q;
+ else if( strcmp( p, "dtls" ) == 0 )
+ {
+ int t = atoi( q );
+ if( t == 0 )
+ opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
+ else if( t == 1 )
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "debug_level" ) == 0 )
+ {
+ opt.debug_level = atoi( q );
+ if( opt.debug_level < 0 || opt.debug_level > 65535 )
+ goto usage;
+ }
+ else if( strcmp( p, "context_crt_cb" ) == 0 )
+ {
+ opt.context_crt_cb = atoi( q );
+ if( opt.context_crt_cb != 0 && opt.context_crt_cb != 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "nbio" ) == 0 )
+ {
+ opt.nbio = atoi( q );
+ if( opt.nbio < 0 || opt.nbio > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "event" ) == 0 )
+ {
+ opt.event = atoi( q );
+ if( opt.event < 0 || opt.event > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "read_timeout" ) == 0 )
+ opt.read_timeout = atoi( q );
+ else if( strcmp( p, "max_resend" ) == 0 )
+ {
+ opt.max_resend = atoi( q );
+ if( opt.max_resend < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "request_page" ) == 0 )
+ opt.request_page = q;
+ else if( strcmp( p, "request_size" ) == 0 )
+ {
+ opt.request_size = atoi( q );
+ if( opt.request_size < 0 ||
+ opt.request_size > MAX_REQUEST_SIZE )
+ goto usage;
+ }
+ else if( strcmp( p, "ca_file" ) == 0 )
+ opt.ca_file = q;
+ else if( strcmp( p, "ca_path" ) == 0 )
+ opt.ca_path = q;
+ else if( strcmp( p, "crt_file" ) == 0 )
+ opt.crt_file = q;
+ else if( strcmp( p, "key_file" ) == 0 )
+ opt.key_file = q;
+ else if( strcmp( p, "key_pwd" ) == 0 )
+ opt.key_pwd = q;
+#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
+ else if( strcmp( p, "key_opaque" ) == 0 )
+ opt.key_opaque = atoi( q );
+#endif
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ else if( strcmp( p, "cid" ) == 0 )
+ {
+ opt.cid_enabled = atoi( q );
+ if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "cid_renego" ) == 0 )
+ {
+ opt.cid_enabled_renego = atoi( q );
+ if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "cid_val" ) == 0 )
+ {
+ opt.cid_val = q;
+ }
+ else if( strcmp( p, "cid_val_renego" ) == 0 )
+ {
+ opt.cid_val_renego = q;
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+ else if( strcmp( p, "psk" ) == 0 )
+ opt.psk = q;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ else if( strcmp( p, "psk_opaque" ) == 0 )
+ opt.psk_opaque = atoi( q );
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ else if( strcmp( p, "ca_callback" ) == 0)
+ opt.ca_callback = atoi( q );
+#endif
+ else if( strcmp( p, "psk_identity" ) == 0 )
+ opt.psk_identity = q;
+ else if( strcmp( p, "ecjpake_pw" ) == 0 )
+ opt.ecjpake_pw = q;
+ else if( strcmp( p, "ec_max_ops" ) == 0 )
+ opt.ec_max_ops = atoi( q );
+ else if( strcmp( p, "force_ciphersuite" ) == 0 )
+ {
+ opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+
+ if( opt.force_ciphersuite[0] == 0 )
+ {
+ ret = 2;
+ goto usage;
+ }
+ opt.force_ciphersuite[1] = 0;
+ }
+ else if( strcmp( p, "renegotiation" ) == 0 )
+ {
+ opt.renegotiation = (atoi( q )) ?
+ MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+ MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+ }
+ else if( strcmp( p, "allow_legacy" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case -1:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
+ break;
+ case 0:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION;
+ break;
+ case 1:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION;
+ break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "renegotiate" ) == 0 )
+ {
+ opt.renegotiate = atoi( q );
+ if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "exchanges" ) == 0 )
+ {
+ opt.exchanges = atoi( q );
+ if( opt.exchanges < 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "reconnect" ) == 0 )
+ {
+ opt.reconnect = atoi( q );
+ if( opt.reconnect < 0 || opt.reconnect > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "reco_delay" ) == 0 )
+ {
+ opt.reco_delay = atoi( q );
+ if( opt.reco_delay < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "reco_mode" ) == 0 )
+ {
+ opt.reco_mode = atoi( q );
+ if( opt.reco_mode < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "reconnect_hard" ) == 0 )
+ {
+ opt.reconnect_hard = atoi( q );
+ if( opt.reconnect_hard < 0 || opt.reconnect_hard > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "tickets" ) == 0 )
+ {
+ opt.tickets = atoi( q );
+ if( opt.tickets < 0 || opt.tickets > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "alpn" ) == 0 )
+ {
+ opt.alpn_string = q;
+ }
+ else if( strcmp( p, "fallback" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.fallback = MBEDTLS_SSL_IS_NOT_FALLBACK; break;
+ case 1: opt.fallback = MBEDTLS_SSL_IS_FALLBACK; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "extended_ms" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0:
+ opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
+ break;
+ case 1:
+ opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
+ break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "curves" ) == 0 )
+ opt.curves = q;
+ else if( strcmp( p, "etm" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
+ case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "min_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ else if( strcmp( q, "tls1" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ else if( strcmp( q, "tls1_1" ) == 0 ||
+ strcmp( q, "dtls1" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ else if( strcmp( q, "tls1_2" ) == 0 ||
+ strcmp( q, "dtls1_2" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "max_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ else if( strcmp( q, "tls1" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ else if( strcmp( q, "tls1_1" ) == 0 ||
+ strcmp( q, "dtls1" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ else if( strcmp( q, "tls1_2" ) == 0 ||
+ strcmp( q, "dtls1_2" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "arc4" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED; break;
+ case 1: opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "allow_sha1" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.allow_sha1 = 0; break;
+ case 1: opt.allow_sha1 = 1; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "force_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ }
+ else if( strcmp( q, "tls1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ }
+ else if( strcmp( q, "tls1_1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ }
+ else if( strcmp( q, "tls1_2" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ }
+ else if( strcmp( q, "dtls1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ }
+ else if( strcmp( q, "dtls1_2" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ }
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "auth_mode" ) == 0 )
+ {
+ if( strcmp( q, "none" ) == 0 )
+ opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE;
+ else if( strcmp( q, "optional" ) == 0 )
+ opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL;
+ else if( strcmp( q, "required" ) == 0 )
+ opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "max_frag_len" ) == 0 )
+ {
+ if( strcmp( q, "512" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
+ else if( strcmp( q, "1024" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
+ else if( strcmp( q, "2048" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
+ else if( strcmp( q, "4096" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "trunc_hmac" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
+ case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "hs_timeout" ) == 0 )
+ {
+ if( ( p = strchr( q, '-' ) ) == NULL )
+ goto usage;
+ *p++ = '\0';
+ opt.hs_to_min = atoi( q );
+ opt.hs_to_max = atoi( p );
+ if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
+ goto usage;
+ }
+ else if( strcmp( p, "mtu" ) == 0 )
+ {
+ opt.dtls_mtu = atoi( q );
+ if( opt.dtls_mtu < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "dgram_packing" ) == 0 )
+ {
+ opt.dgram_packing = atoi( q );
+ if( opt.dgram_packing != 0 &&
+ opt.dgram_packing != 1 )
+ {
+ goto usage;
+ }
+ }
+ else if( strcmp( p, "recsplit" ) == 0 )
+ {
+ opt.recsplit = atoi( q );
+ if( opt.recsplit < 0 || opt.recsplit > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "dhmlen" ) == 0 )
+ {
+ opt.dhmlen = atoi( q );
+ if( opt.dhmlen < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "query_config" ) == 0 )
+ {
+ opt.query_config_mode = 1;
+ query_config_ret = query_config( q );
+ goto exit;
+ }
+ else if( strcmp( p, "serialize") == 0 )
+ {
+ opt.serialize = atoi( q );
+ if( opt.serialize < 0 || opt.serialize > 2)
+ goto usage;
+ }
+ else if( strcmp( p, "context_file") == 0 )
+ {
+ opt.context_file = q;
+ }
+ else if( strcmp( p, "eap_tls" ) == 0 )
+ {
+ opt.eap_tls = atoi( q );
+ if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "reproducible" ) == 0 )
+ {
+ opt.reproducible = 1;
+ }
+ else if( strcmp( p, "nss_keylog" ) == 0 )
+ {
+ opt.nss_keylog = atoi( q );
+ if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "nss_keylog_file" ) == 0 )
+ {
+ opt.nss_keylog_file = q;
+ }
+ else if( strcmp( p, "skip_close_notify" ) == 0 )
+ {
+ opt.skip_close_notify = atoi( q );
+ if( opt.skip_close_notify < 0 || opt.skip_close_notify > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "use_srtp" ) == 0 )
+ {
+ opt.use_srtp = atoi ( q );
+ }
+ else if( strcmp( p, "srtp_force_profile" ) == 0 )
+ {
+ opt.force_srtp_profile = atoi( q );
+ }
+ else if( strcmp( p, "mki" ) == 0 )
+ {
+ opt.mki = q;
+ }
+ else
+ goto usage;
+ }
+
+ if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
+ {
+ mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+ goto usage;
+ }
+
+ /* Event-driven IO is incompatible with the above custom
+ * receive and send functions, as the polling builds on
+ * refers to the underlying net_context. */
+ if( opt.event == 1 && opt.nbio != 1 )
+ {
+ mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+ opt.nbio = 1;
+ }
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( opt.debug_level );
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+ /*
+ * Unhexify the pre-shared key if any is given
+ */
+ if( strlen( opt.psk ) )
+ {
+ if( mbedtls_test_unhexify( psk, sizeof( psk ),
+ opt.psk, &psk_len ) != 0 )
+ {
+ mbedtls_printf( "pre-shared key not valid\n" );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ if( opt.psk == NULL )
+ {
+ mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ if( opt.force_ciphersuite[0] <= 0 )
+ {
+ mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+ ret = 2;
+ goto usage;
+ }
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if( opt.force_ciphersuite[0] > 0 )
+ {
+ const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
+ ciphersuite_info =
+ mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+
+ if( opt.max_version != -1 &&
+ ciphersuite_info->min_minor_ver > opt.max_version )
+ {
+ mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+ ret = 2;
+ goto usage;
+ }
+ if( opt.min_version != -1 &&
+ ciphersuite_info->max_minor_ver < opt.min_version )
+ {
+ mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ /* If the server selects a version that's not supported by
+ * this suite, then there will be no common ciphersuite... */
+ if( opt.max_version == -1 ||
+ opt.max_version > ciphersuite_info->max_minor_ver )
+ {
+ opt.max_version = ciphersuite_info->max_minor_ver;
+ }
+ if( opt.min_version < ciphersuite_info->min_minor_ver )
+ {
+ opt.min_version = ciphersuite_info->min_minor_ver;
+ /* DTLS starts with TLS 1.1 */
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+ opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ }
+
+ /* Enable RC4 if needed and not explicitly disabled */
+ if( ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
+ {
+ if( opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED )
+ {
+ mbedtls_printf( "forced RC4 ciphersuite with RC4 disabled\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED;
+ }
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ /* Ensure that the chosen ciphersuite is PSK-only; we must know
+ * the ciphersuite in advance to set the correct policy for the
+ * PSK key slot. This limitation might go away in the future. */
+ if( ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
+ opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3 )
+ {
+ mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ /* Determine KDF algorithm the opaque PSK will be used in. */
+#if defined(MBEDTLS_SHA512_C)
+ if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
+ else
+#endif /* MBEDTLS_SHA512_C */
+ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ }
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( mbedtls_test_unhexify( cid, sizeof( cid ),
+ opt.cid_val, &cid_len ) != 0 )
+ {
+ mbedtls_printf( "CID not valid\n" );
+ goto exit;
+ }
+
+ /* Keep CID settings for renegotiation unless
+ * specified otherwise. */
+ if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+ opt.cid_enabled_renego = opt.cid_enabled;
+ if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+ opt.cid_val_renego = opt.cid_val;
+
+ if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
+ opt.cid_val_renego, &cid_renego_len ) != 0 )
+ {
+ mbedtls_printf( "CID not valid\n" );
+ goto exit;
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_ECP_C)
+ if( opt.curves != NULL )
+ {
+ p = (char *) opt.curves;
+ i = 0;
+
+ if( strcmp( p, "none" ) == 0 )
+ {
+ curve_list[0] = MBEDTLS_ECP_DP_NONE;
+ }
+ else if( strcmp( p, "default" ) != 0 )
+ {
+ /* Leave room for a final NULL in curve list */
+ while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
+ {
+ q = p;
+
+ /* Terminate the current string */
+ while( *p != ',' && *p != '\0' )
+ p++;
+ if( *p == ',' )
+ *p++ = '\0';
+
+ if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
+ {
+ curve_list[i++] = curve_cur->grp_id;
+ }
+ else
+ {
+ mbedtls_printf( "unknown curve %s\n", q );
+ mbedtls_printf( "supported curves: " );
+ for( curve_cur = mbedtls_ecp_curve_list();
+ curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
+ curve_cur++ )
+ {
+ mbedtls_printf( "%s ", curve_cur->name );
+ }
+ mbedtls_printf( "\n" );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf("Number of curves: %d\n", i );
+
+ if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
+ {
+ mbedtls_printf( "curves list too long, maximum %d",
+ CURVE_LIST_SIZE - 1 );
+ goto exit;
+ }
+
+ curve_list[i] = MBEDTLS_ECP_DP_NONE;
+ }
+ }
+#endif /* MBEDTLS_ECP_C */
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ {
+ p = (char *) opt.alpn_string;
+ i = 0;
+
+ /* Leave room for a final NULL in alpn_list */
+ while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
+ {
+ alpn_list[i++] = p;
+
+ /* Terminate the current string and move on to next one */
+ while( *p != ',' && *p != '\0' )
+ p++;
+ if( *p == ',' )
+ *p++ = '\0';
+ }
+ }
+#endif /* MBEDTLS_SSL_ALPN */
+
+ /*
+ * 0. Initialize the RNG and the session data
+ */
+ mbedtls_printf( "\n . Seeding the random number generator..." );
+ fflush( stdout );
+
+ ret = rng_seed( &rng, opt.reproducible, pers );
+ if( ret != 0 )
+ goto exit;
+ mbedtls_printf( " ok\n" );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /*
+ * 1.1. Load the trusted CA
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+ if( strcmp( opt.ca_path, "none" ) == 0 ||
+ strcmp( opt.ca_file, "none" ) == 0 )
+ {
+ ret = 0;
+ }
+ else
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.ca_path ) )
+ ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
+ else if( strlen( opt.ca_file ) )
+ ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C)
+ {
+#if defined(MBEDTLS_PEM_PARSE_C)
+ for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
+ {
+ ret = mbedtls_x509_crt_parse( &cacert,
+ (const unsigned char *) mbedtls_test_cas[i],
+ mbedtls_test_cas_len[i] );
+ if( ret != 0 )
+ break;
+ }
+ if( ret == 0 )
+#endif /* MBEDTLS_PEM_PARSE_C */
+ for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
+ {
+ ret = mbedtls_x509_crt_parse_der( &cacert,
+ (const unsigned char *) mbedtls_test_cas_der[i],
+ mbedtls_test_cas_der_len[i] );
+ if( ret != 0 )
+ break;
+ }
+ }
+#else
+ {
+ ret = 1;
+ mbedtls_printf( "MBEDTLS_CERTS_C not defined." );
+ }
+#endif /* MBEDTLS_CERTS_C */
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+ /*
+ * 1.2. Load own certificate and private key
+ *
+ * (can be skipped if client authentication is not required)
+ */
+ mbedtls_printf( " . Loading the client cert. and key..." );
+ fflush( stdout );
+
+ if( strcmp( opt.crt_file, "none" ) == 0 )
+ ret = 0;
+ else
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.crt_file ) )
+ ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C)
+ ret = mbedtls_x509_crt_parse( &clicert,
+ (const unsigned char *) mbedtls_test_cli_crt,
+ mbedtls_test_cli_crt_len );
+#else
+ {
+ ret = 1;
+ mbedtls_printf( "MBEDTLS_CERTS_C not defined." );
+ }
+#endif
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( strcmp( opt.key_file, "none" ) == 0 )
+ ret = 0;
+ else
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.key_file ) )
+ ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, opt.key_pwd );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C)
+ ret = mbedtls_pk_parse_key( &pkey,
+ (const unsigned char *) mbedtls_test_cli_key,
+ mbedtls_test_cli_key_len, NULL, 0 );
+#else
+ {
+ ret = 1;
+ mbedtls_printf( "MBEDTLS_CERTS_C not defined." );
+ }
+#endif
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.key_opaque != 0 )
+ {
+ if( ( ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot,
+ PSA_ALG_SHA_256 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! "
+ "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_printf( " ok (key type: %s)\n", mbedtls_pk_get_name( &pkey ) );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+ /*
+ * 2. Start the connection
+ */
+ if( opt.server_addr == NULL)
+ opt.server_addr = opt.server_name;
+
+ mbedtls_printf( " . Connecting to %s/%s/%s...",
+ opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
+ opt.server_addr, opt.server_port );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_connect( &server_fd,
+ opt.server_addr, opt.server_port,
+ opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+ MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( opt.nbio > 0 )
+ ret = mbedtls_net_set_nonblock( &server_fd );
+ else
+ ret = mbedtls_net_set_block( &server_fd );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 3. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the SSL/TLS structure..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ opt.transport,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /* The default algorithms profile disables SHA-1, but our tests still
+ rely on it heavily. */
+ if( opt.allow_sha1 > 0 )
+ {
+ crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
+ mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
+ mbedtls_ssl_conf_sig_hashes( &conf, ssl_sig_hashes_for_test );
+ }
+
+ if( opt.context_crt_cb == 0 )
+ mbedtls_ssl_conf_verify( &conf, my_verify, NULL );
+
+ memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
+ {
+ if( opt.cid_enabled == 1 &&
+ opt.cid_enabled_renego == 1 &&
+ cid_len != cid_renego_len )
+ {
+ mbedtls_printf( "CID length must not change during renegotiation\n" );
+ goto usage;
+ }
+
+ if( opt.cid_enabled == 1 )
+ ret = mbedtls_ssl_conf_cid( &conf, cid_len,
+ MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+ else
+ ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
+ MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+ if( opt.auth_mode != DFL_AUTH_MODE )
+ mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
+ mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min,
+ opt.hs_to_max );
+
+ if( opt.dgram_packing != DFL_DGRAM_PACKING )
+ mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+ if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n",
+ ret );
+ goto exit;
+ }
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+ const mbedtls_ssl_srtp_profile forced_profile[] =
+ { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
+ if( opt.use_srtp == 1 )
+ {
+ if( opt.force_srtp_profile != 0 )
+ {
+ ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, forced_profile );
+ }
+ else
+ {
+ ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, default_profiles );
+ }
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! "
+ "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
+ ret );
+ goto exit;
+ }
+
+ }
+ else if( opt.force_srtp_profile != 0 )
+ {
+ mbedtls_printf( " failed\n ! must enable use_srtp to force srtp profile\n\n" );
+ goto exit;
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+ if( opt.trunc_hmac != DFL_TRUNC_HMAC )
+ mbedtls_ssl_conf_truncated_hmac( &conf, opt.trunc_hmac );
+#endif
+
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+ if( opt.extended_ms != DFL_EXTENDED_MS )
+ mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
+#endif
+
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+ if( opt.etm != DFL_ETM )
+ mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
+#endif
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ if( opt.eap_tls != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf, eap_tls_key_derivation,
+ &eap_tls_keying );
+ }
+ else if( opt.nss_keylog != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf,
+ nss_keylog_export,
+ NULL );
+ }
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ else if( opt.use_srtp != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf, dtls_srtp_key_derivation,
+ &dtls_srtp_keying );
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING)
+ if( opt.recsplit != DFL_RECSPLIT )
+ mbedtls_ssl_conf_cbc_record_splitting( &conf, opt.recsplit
+ ? MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED
+ : MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED );
+#endif
+
+#if defined(MBEDTLS_DHM_C)
+ if( opt.dhmlen != DFL_DHMLEN )
+ mbedtls_ssl_conf_dhm_min_bitlen( &conf, opt.dhmlen );
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
+ ret );
+ goto exit;
+ }
+#endif
+
+ if (opt.reproducible)
+ {
+#if defined(MBEDTLS_HAVE_TIME)
+#if defined(MBEDTLS_PLATFORM_TIME_ALT)
+ mbedtls_platform_set_time( dummy_constant_time );
+#else
+ fprintf( stderr, "Warning: reproducible option used without constant time\n" );
+#endif
+#endif /* MBEDTLS_HAVE_TIME */
+ }
+ mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+ mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+ mbedtls_ssl_conf_session_tickets( &conf, opt.tickets );
+#endif
+
+ if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
+ mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+
+#if defined(MBEDTLS_ARC4_C)
+ if( opt.arc4 != DFL_ARC4 )
+ mbedtls_ssl_conf_arc4_support( &conf, opt.arc4 );
+#endif
+
+ if( opt.allow_legacy != DFL_ALLOW_LEGACY )
+ mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( strcmp( opt.ca_path, "none" ) != 0 &&
+ strcmp( opt.ca_file, "none" ) != 0 )
+ {
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ if( opt.ca_callback != 0 )
+ mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert );
+ else
+#endif
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ }
+ if( strcmp( opt.crt_file, "none" ) != 0 &&
+ strcmp( opt.key_file, "none" ) != 0 )
+ {
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_ECP_C)
+ if( opt.curves != NULL &&
+ strcmp( opt.curves, "default" ) != 0 )
+ {
+ mbedtls_ssl_conf_curves( &conf, curve_list );
+ }
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ key_attributes = psa_key_attributes_init();
+ psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
+ psa_set_key_algorithm( &key_attributes, alg );
+ psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+
+ status = psa_import_key( &key_attributes, psk, psk_len, &slot );
+ if( status != PSA_SUCCESS )
+ {
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, slot,
+ (const unsigned char *) opt.psk_identity,
+ strlen( opt.psk_identity ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+ else
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ if( psk_len > 0 )
+ {
+ ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
+ (const unsigned char *) opt.psk_identity,
+ strlen( opt.psk_identity ) );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_psk returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+
+ if( opt.min_version != DFL_MIN_VERSION )
+ mbedtls_ssl_conf_min_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+ opt.min_version );
+
+ if( opt.max_version != DFL_MAX_VERSION )
+ mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+ opt.max_version );
+
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
+ if( opt.fallback != DFL_FALLBACK )
+ mbedtls_ssl_conf_fallback( &conf, opt.fallback );
+#endif
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n",
+ ret );
+ goto exit;
+ }
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+ if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
+ {
+ if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
+ (const unsigned char *) opt.ecjpake_pw,
+ strlen( opt.ecjpake_pw ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( opt.context_crt_cb == 1 )
+ mbedtls_ssl_set_verify( &ssl, my_verify, NULL );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+ io_ctx.ssl = &ssl;
+ io_ctx.net = &server_fd;
+ mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
+ opt.nbio == 0 ? recv_timeout_cb : NULL );
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
+ cid, cid_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( opt.dtls_mtu != DFL_DTLS_MTU )
+ mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
+#endif
+
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+#endif
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( opt.ec_max_ops != DFL_EC_MAX_OPS )
+ mbedtls_ecp_set_max_ops( opt.ec_max_ops );
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+ if( opt.use_srtp != 0 && strlen( opt.mki ) != 0 )
+ {
+ if( mbedtls_test_unhexify( mki, sizeof( mki ),
+ opt.mki,&mki_len ) != 0 )
+ {
+ mbedtls_printf( "mki value not valid hex\n" );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_srtp_mki_value_supported( &conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED );
+ if( ( ret = mbedtls_ssl_dtls_srtp_set_mki_value( &ssl, mki,
+ (uint16_t) strlen( opt.mki ) / 2 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+#endif
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 4. Handshake
+ */
+ mbedtls_printf( " . Performing the SSL/TLS handshake..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
+ ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n",
+ (unsigned int) -ret );
+ if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
+ mbedtls_printf(
+ " Unable to verify the server's certificate. "
+ "Either it is invalid,\n"
+ " or you didn't set ca_file or ca_path "
+ "to an appropriate value.\n"
+ " Alternatively, you may want to use "
+ "auth_mode=optional for testing purposes.\n" );
+ mbedtls_printf( "\n" );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ continue;
+#endif
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ ret = idle( &server_fd, &timer, ret );
+#else
+ ret = idle( &server_fd, ret );
+#endif
+ if( ret != 0 )
+ goto exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n [ Protocol is %s ]\n [ Ciphersuite is %s ]\n",
+ mbedtls_ssl_get_version( &ssl ),
+ mbedtls_ssl_get_ciphersuite( &ssl ) );
+
+ if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
+ mbedtls_printf( " [ Record expansion is %d ]\n", ret );
+ else
+ mbedtls_printf( " [ Record expansion is unknown (compression) ]\n" );
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+ mbedtls_printf( " [ Maximum input fragment length is %u ]\n",
+ (unsigned int) mbedtls_ssl_get_input_max_frag_len( &ssl ) );
+ mbedtls_printf( " [ Maximum output fragment length is %u ]\n",
+ (unsigned int) mbedtls_ssl_get_output_max_frag_len( &ssl ) );
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ {
+ const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
+ mbedtls_printf( " [ Application Layer Protocol is %s ]\n",
+ alp ? alp : "(none)" );
+ }
+#endif
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ if( opt.eap_tls != 0 )
+ {
+ size_t j = 0;
+
+ if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
+ eap_tls_keying.master_secret,
+ sizeof( eap_tls_keying.master_secret ),
+ eap_tls_label,
+ eap_tls_keying.randbytes,
+ sizeof( eap_tls_keying.randbytes ),
+ eap_tls_keymaterial,
+ sizeof( eap_tls_keymaterial ) ) )
+ != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " EAP-TLS key material is:" );
+ for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf("\n ");
+ mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+ }
+ mbedtls_printf("\n");
+
+ if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
+ eap_tls_label,
+ eap_tls_keying.randbytes,
+ sizeof( eap_tls_keying.randbytes ),
+ eap_tls_iv,
+ sizeof( eap_tls_iv ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " EAP-TLS IV is:" );
+ for( j = 0; j < sizeof( eap_tls_iv ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf("\n ");
+ mbedtls_printf("%02x ", eap_tls_iv[j] );
+ }
+ mbedtls_printf("\n");
+ }
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ else if( opt.use_srtp != 0 )
+ {
+ size_t j = 0;
+ mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
+ mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+
+ if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
+ == MBEDTLS_TLS_SRTP_UNSET )
+ {
+ mbedtls_printf( " Unable to negotiate "
+ "the use of DTLS-SRTP\n" );
+ }
+ else
+ {
+ if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
+ dtls_srtp_keying.master_secret,
+ sizeof( dtls_srtp_keying.master_secret ),
+ dtls_srtp_label,
+ dtls_srtp_keying.randbytes,
+ sizeof( dtls_srtp_keying.randbytes ),
+ dtls_srtp_key_material,
+ sizeof( dtls_srtp_key_material ) ) )
+ != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " DTLS-SRTP key material is:" );
+ for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf( "\n " );
+ mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+ }
+ mbedtls_printf( "\n" );
+
+ /* produce a less readable output used to perform automatic checks
+ * - compare client and server output
+ * - interop test with openssl which client produces this kind of output
+ */
+ mbedtls_printf( " Keying material: " );
+ for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
+ {
+ mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+ }
+ mbedtls_printf( "\n" );
+
+ if ( dtls_srtp_negotiation_result.mki_len > 0 )
+ {
+ mbedtls_printf( " DTLS-SRTP mki value: " );
+ for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
+ {
+ mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+ }
+ }
+ else
+ {
+ mbedtls_printf( " DTLS-SRTP no mki value negotiated" );
+ }
+ mbedtls_printf( "\n" );
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+ if( opt.reconnect != 0 )
+ {
+ mbedtls_printf(" . Saving session for reuse..." );
+ fflush( stdout );
+
+ if( opt.reco_mode == 1 )
+ {
+ /* free any previously saved data */
+ if( session_data != NULL )
+ {
+ mbedtls_platform_zeroize( session_data, session_data_len );
+ mbedtls_free( session_data );
+ session_data = NULL;
+ }
+
+ /* get size of the buffer needed */
+ mbedtls_ssl_session_save( mbedtls_ssl_get_session_pointer( &ssl ),
+ NULL, 0, &session_data_len );
+ session_data = mbedtls_calloc( 1, session_data_len );
+ if( session_data == NULL )
+ {
+ mbedtls_printf( " failed\n ! alloc %u bytes for session data\n",
+ (unsigned) session_data_len );
+ ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
+ goto exit;
+ }
+
+ /* actually save session data */
+ if( ( ret = mbedtls_ssl_session_save( mbedtls_ssl_get_session_pointer( &ssl ),
+ session_data, session_data_len,
+ &session_data_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_session_saved returned -0x%04x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ else
+ {
+ if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ if( opt.reco_mode == 1 )
+ {
+ mbedtls_printf( " [ Saved %u bytes of session data]\n",
+ (unsigned) session_data_len );
+ }
+ }
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /*
+ * 5. Verify the server certificate
+ */
+ mbedtls_printf( " . Verifying peer X.509 certificate..." );
+
+ if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ),
+ " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+
+ mbedtls_printf( " . Peer certificate information ...\n" );
+ mbedtls_printf( "%s\n", peer_crt_info );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ ret = report_cid_usage( &ssl, "initial handshake" );
+ if( ret != 0 )
+ goto exit;
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
+ cid_renego,
+ cid_renego_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ if( opt.renegotiate )
+ {
+ /*
+ * Perform renegotiation (this must be done when the server is waiting
+ * for input from our side).
+ */
+ mbedtls_printf( " . Performing renegotiation..." );
+ fflush( stdout );
+ while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
+ ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_renegotiate returned %d\n\n",
+ ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ continue;
+#endif
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+
+ }
+ mbedtls_printf( " ok\n" );
+ }
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ ret = report_cid_usage( &ssl, "after renegotiation" );
+ if( ret != 0 )
+ goto exit;
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+ /*
+ * 6. Write the GET request
+ */
+ retry_left = opt.max_resend;
+send_request:
+ mbedtls_printf( " > Write to server:" );
+ fflush( stdout );
+
+ len = mbedtls_snprintf( (char *) buf, sizeof( buf ) - 1, GET_REQUEST,
+ opt.request_page );
+ tail_len = (int) strlen( GET_REQUEST_END );
+
+ /* Add padding to GET request to reach opt.request_size in length */
+ if( opt.request_size != DFL_REQUEST_SIZE &&
+ len + tail_len < opt.request_size )
+ {
+ memset( buf + len, 'A', opt.request_size - len - tail_len );
+ len += opt.request_size - len - tail_len;
+ }
+
+ strncpy( (char *) buf + len, GET_REQUEST_END, sizeof( buf ) - len - 1 );
+ len += tail_len;
+
+ /* Truncate if request size is smaller than the "natural" size */
+ if( opt.request_size != DFL_REQUEST_SIZE &&
+ len > opt.request_size )
+ {
+ len = opt.request_size;
+
+ /* Still end with \r\n unless that's really not possible */
+ if( len >= 2 ) buf[len - 2] = '\r';
+ if( len >= 1 ) buf[len - 1] = '\n';
+ }
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
+ {
+ written = 0;
+ frags = 0;
+
+ do
+ {
+ while( ( ret = mbedtls_ssl_write( &ssl, buf + written,
+ len - written ) ) < 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
+ ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+ }
+
+ frags++;
+ written += ret;
+ }
+ while( written < len );
+ }
+ else /* Not stream, so datagram */
+ {
+ while( 1 )
+ {
+ ret = mbedtls_ssl_write( &ssl, buf, len );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ continue;
+#endif
+
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ break;
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+ }
+
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n",
+ ret );
+ goto exit;
+ }
+
+ frags = 1;
+ written = ret;
+
+ if( written < len )
+ {
+ mbedtls_printf( " warning\n ! request didn't fit into single datagram and "
+ "was truncated to size %u", (unsigned) written );
+ }
+ }
+
+ buf[written] = '\0';
+ mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n",
+ written, frags, (char *) buf );
+
+ /* Send a non-empty request if request_size == 0 */
+ if ( len == 0 )
+ {
+ opt.request_size = DFL_REQUEST_SIZE;
+ goto send_request;
+ }
+
+ /*
+ * 7. Read the HTTP response
+ */
+ mbedtls_printf( " < Read from server:" );
+ fflush( stdout );
+
+ /*
+ * TLS and DTLS need different reading styles (stream vs datagram)
+ */
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
+ {
+ do
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ continue;
+#endif
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+ continue;
+ }
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ ret = 0;
+ goto close_notify;
+
+ case 0:
+ case MBEDTLS_ERR_NET_CONN_RESET:
+ mbedtls_printf( " connection was reset by peer\n" );
+ ret = 0;
+ goto reconnect;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ len = ret;
+ buf[len] = '\0';
+ mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+
+ /* End of message should be detected according to the syntax of the
+ * application protocol (eg HTTP), just use a dummy test here. */
+ if( ret > 0 && buf[len-1] == '\n' )
+ {
+ ret = 0;
+ break;
+ }
+ }
+ while( 1 );
+ }
+ else /* Not stream, so datagram */
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+
+ while( 1 )
+ {
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+ if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ continue;
+#endif
+
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ break;
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+ }
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_TIMEOUT:
+ mbedtls_printf( " timeout\n" );
+ if( retry_left-- > 0 )
+ goto send_request;
+ goto exit;
+
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ ret = 0;
+ goto close_notify;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ len = ret;
+ buf[len] = '\0';
+ mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+ ret = 0;
+ }
+
+ /*
+ * 7b. Simulate hard reset and reconnect from same port?
+ */
+ if( opt.reconnect_hard != 0 )
+ {
+ opt.reconnect_hard = 0;
+
+ mbedtls_printf( " . Restarting connection from same port..." );
+ fflush( stdout );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+ if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
+ ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &server_fd, &timer, ret );
+#else
+ idle( &server_fd, ret );
+#endif
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ goto send_request;
+ }
+
+ /*
+ * 7c. Simulate serialize/deserialize and go back to data exchange
+ */
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ if( opt.serialize != 0 )
+ {
+ size_t buf_len;
+
+ mbedtls_printf( " . Serializing live connection..." );
+
+ ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
+ if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_context_save returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
+ {
+ mbedtls_printf( " failed\n ! Couldn't allocate buffer for "
+ "serialized context" );
+
+ goto exit;
+ }
+ context_buf_len = buf_len;
+
+ if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
+ buf_len, &buf_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_context_save returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /* Save serialized context to the 'opt.context_file' as a base64 code */
+ if( 0 < strlen( opt.context_file ) )
+ {
+ FILE *b64_file;
+ uint8_t *b64_buf;
+ size_t b64_len;
+
+ mbedtls_printf( " . Save serialized context to a file... " );
+
+ mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+
+ if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
+ {
+ mbedtls_printf( "failed\n ! Couldn't allocate buffer for "
+ "the base64 code\n" );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
+ context_buf, buf_len ) ) != 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_base64_encode returned "
+ "-0x%x\n", (unsigned int) -ret );
+ mbedtls_free( b64_buf );
+ goto exit;
+ }
+
+ if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
+ {
+ mbedtls_printf( "failed\n ! Cannot open '%s' for writing.\n",
+ opt.context_file );
+ mbedtls_free( b64_buf );
+ goto exit;
+ }
+
+ if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
+ {
+ mbedtls_printf( "failed\n ! fwrite(%ld bytes) failed\n",
+ (long) b64_len );
+ mbedtls_free( b64_buf );
+ fclose( b64_file );
+ goto exit;
+ }
+
+ mbedtls_free( b64_buf );
+ fclose( b64_file );
+
+ mbedtls_printf( "ok\n" );
+ }
+
+ if( opt.serialize == 1 )
+ {
+ /* nothing to do here, done by context_save() already */
+ mbedtls_printf( " . Context has been reset... ok\n" );
+ }
+
+ if( opt.serialize == 2 )
+ {
+ mbedtls_printf( " . Freeing and reinitializing context..." );
+
+ mbedtls_ssl_free( &ssl );
+
+ mbedtls_ssl_init( &ssl );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( opt.nbio == 2 )
+ mbedtls_ssl_set_bio( &ssl, &server_fd, delayed_send,
+ delayed_recv, NULL );
+ else
+ mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send,
+ mbedtls_net_recv,
+ opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_ssl_set_timer_cb( &ssl, &timer,
+ mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+#endif /* MBEDTLS_TIMING_C */
+
+ mbedtls_printf( " ok\n" );
+ }
+
+ mbedtls_printf( " . Deserializing connection..." );
+
+ if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
+ buf_len ) ) != 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_ssl_context_load returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ mbedtls_free( context_buf );
+ context_buf = NULL;
+ context_buf_len = 0;
+
+ mbedtls_printf( " ok\n" );
+ }
+#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+
+ /*
+ * 7d. Continue doing data exchanges?
+ */
+ if( --opt.exchanges > 0 )
+ goto send_request;
+
+ /*
+ * 8. Done, cleanly close the connection
+ */
+close_notify:
+ mbedtls_printf( " . Closing the connection..." );
+ fflush( stdout );
+
+ /*
+ * Most of the time sending a close_notify before closing is the right
+ * thing to do. However, when the server already knows how many messages
+ * are expected and closes the connection by itself, this alert becomes
+ * redundant. Sometimes with DTLS this redundancy becomes a problem by
+ * leading to a race condition where the server might close the connection
+ * before seeing the alert, and since UDP is connection-less when the
+ * alert arrives it will be seen as a new connection, which will fail as
+ * the alert is clearly not a valid ClientHello. This may cause spurious
+ * failures in tests that use DTLS and resumption with ssl_server2 in
+ * ssl-opt.sh, avoided by enabling skip_close_notify client-side.
+ */
+ if( opt.skip_close_notify == 0 )
+ {
+ /* No error checking, the connection might be closed already */
+ do ret = mbedtls_ssl_close_notify( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+ ret = 0;
+ }
+
+ mbedtls_printf( " done\n" );
+
+ /*
+ * 9. Reconnect?
+ */
+reconnect:
+ if( opt.reconnect != 0 )
+ {
+ --opt.reconnect;
+
+ mbedtls_net_free( &server_fd );
+
+#if defined(MBEDTLS_TIMING_C)
+ if( opt.reco_delay > 0 )
+ mbedtls_net_usleep( 1000000 * opt.reco_delay );
+#endif
+
+ mbedtls_printf( " . Reconnecting with saved session..." );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+ if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( opt.reco_mode == 1 )
+ {
+ if( ( ret = mbedtls_ssl_session_load( &saved_session,
+ session_data,
+ session_data_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_session_load returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_session returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_net_connect( &server_fd,
+ opt.server_addr, opt.server_port,
+ opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+ MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( opt.nbio > 0 )
+ ret = mbedtls_net_set_nonblock( &server_fd );
+ else
+ ret = mbedtls_net_set_block( &server_fd );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
+ ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ goto send_request;
+ }
+
+ /*
+ * Cleanup and exit
+ */
+exit:
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &server_fd );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_free( &clicert );
+ mbedtls_x509_crt_free( &cacert );
+ mbedtls_pk_free( &pkey );
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_destroy_key( key_slot );
+#endif
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
+ defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ /* This is ok even if the slot hasn't been
+ * initialized (we might have jumed here
+ * immediately because of bad cmd line params,
+ * for example). */
+ status = psa_destroy_key( slot );
+ if( ( status != PSA_SUCCESS ) &&
+ ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
+ {
+ mbedtls_printf( "Failed to destroy key slot %u - error was %d",
+ (unsigned) slot, (int) status );
+ if( ret == 0 )
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ }
+ }
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED &&
+ MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_ssl_session_free( &saved_session );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ rng_free( &rng );
+ if( session_data != NULL )
+ mbedtls_platform_zeroize( session_data, session_data_len );
+ mbedtls_free( session_data );
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ if( context_buf != NULL )
+ mbedtls_platform_zeroize( context_buf, context_buf_len );
+ mbedtls_free( context_buf );
+#endif
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free( );
+#endif
+
+#if defined(MBEDTLS_TEST_HOOKS)
+ if( test_hooks_failure_detected( ) )
+ {
+ if( ret == 0 )
+ ret = 1;
+ mbedtls_printf( "Test hooks detected errors.\n" );
+ }
+ test_hooks_free( );
+#endif /* MBEDTLS_TEST_HOOKS */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#if defined(MBEDTLS_MEMORY_DEBUG)
+ mbedtls_memory_buffer_alloc_status();
+#endif
+ mbedtls_memory_buffer_alloc_free();
+#endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+
+#if defined(_WIN32)
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ {
+ mbedtls_printf( " + Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+ }
+#endif
+
+ // Shell can not handle large exit numbers -> 1 for errors
+ if( ret < 0 )
+ ret = 1;
+
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ mbedtls_exit( ret );
+ else
+ mbedtls_exit( query_config_ret );
+}
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_context_info.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_context_info.c
new file mode 100644
index 0000000..a204d9e
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_context_info.c
@@ -0,0 +1,1112 @@
+/*
+ * MbedTLS SSL context deserializer from base64 code
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_ERROR_C) || \
+ !defined(MBEDTLS_SSL_TLS_C)
+int main( void )
+{
+ printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_ERROR_C and/or "
+ "MBEDTLS_SSL_TLS_C not defined.\n");
+ return( 0 );
+}
+#else
+
+#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
+#define _CRT_SECURE_NO_DEPRECATE 1
+#endif
+
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <time.h>
+#include "mbedtls/ssl.h"
+#include "mbedtls/error.h"
+#include "mbedtls/base64.h"
+#include "mbedtls/md.h"
+#include "mbedtls/md_internal.h"
+#include "mbedtls/x509_crt.h"
+#include "mbedtls/ssl_ciphersuites.h"
+
+/*
+ * This program version
+ */
+#define PROG_NAME "ssl_context_info"
+#define VER_MAJOR 0
+#define VER_MINOR 1
+
+/*
+ * Flags copied from the Mbed TLS library.
+ */
+#define SESSION_CONFIG_TIME_BIT ( 1 << 0 )
+#define SESSION_CONFIG_CRT_BIT ( 1 << 1 )
+#define SESSION_CONFIG_CLIENT_TICKET_BIT ( 1 << 2 )
+#define SESSION_CONFIG_MFL_BIT ( 1 << 3 )
+#define SESSION_CONFIG_TRUNC_HMAC_BIT ( 1 << 4 )
+#define SESSION_CONFIG_ETM_BIT ( 1 << 5 )
+#define SESSION_CONFIG_TICKET_BIT ( 1 << 6 )
+
+#define CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT ( 1 << 0 )
+#define CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT ( 1 << 1 )
+#define CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT ( 1 << 2 )
+#define CONTEXT_CONFIG_ALPN_BIT ( 1 << 3 )
+
+#define TRANSFORM_RANDBYTE_LEN 64
+
+/*
+ * Minimum and maximum number of bytes for specific data: context, sessions,
+ * certificates, tickets and buffers in the program. The context and session
+ * size values have been calculated based on the 'print_deserialized_ssl_context()'
+ * and 'print_deserialized_ssl_session()' content.
+ */
+#define MIN_CONTEXT_LEN 84
+#define MIN_SESSION_LEN 88
+
+#define MAX_CONTEXT_LEN 875 /* without session data */
+#define MAX_SESSION_LEN 109 /* without certificate and ticket data */
+#define MAX_CERTIFICATE_LEN ( ( 1 << 24 ) - 1 )
+#define MAX_TICKET_LEN ( ( 1 << 24 ) - 1 )
+
+#define MIN_SERIALIZED_DATA ( MIN_CONTEXT_LEN + MIN_SESSION_LEN )
+#define MAX_SERIALIZED_DATA ( MAX_CONTEXT_LEN + MAX_SESSION_LEN + \
+ MAX_CERTIFICATE_LEN + MAX_TICKET_LEN )
+
+#define MIN_BASE64_LEN ( MIN_SERIALIZED_DATA * 4 / 3 )
+#define MAX_BASE64_LEN ( MAX_SERIALIZED_DATA * 4 / 3 + 3 )
+
+/*
+ * A macro that prevents from reading out of the ssl buffer range.
+ */
+#define CHECK_SSL_END( LEN ) \
+do \
+{ \
+ if( end - ssl < (int)( LEN ) ) \
+ { \
+ printf_err( "%s", buf_ln_err ); \
+ return; \
+ } \
+} while( 0 )
+
+/*
+ * Global values
+ */
+FILE *b64_file = NULL; /* file with base64 codes to deserialize */
+char conf_keep_peer_certificate = 1; /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE from mbedTLS configuration */
+char conf_dtls_proto = 1; /* MBEDTLS_SSL_PROTO_DTLS from mbedTLS configuration */
+char debug = 0; /* flag for debug messages */
+const char alloc_err[] = "Cannot allocate memory\n";
+const char buf_ln_err[] = "Buffer does not have enough data to complete the parsing\n";
+
+/*
+ * Basic printing functions
+ */
+void print_version( )
+{
+ printf( "%s v%d.%d\n", PROG_NAME, VER_MAJOR, VER_MINOR );
+}
+
+void print_usage( )
+{
+ print_version();
+ printf( "\nThis program is used to deserialize an Mbed TLS SSL session from the base64 code provided\n"
+ "in the text file. The program can deserialize many codes from one file, but they must be\n"
+ "separated, e.g. by a newline.\n\n" );
+ printf(
+ "Usage:\n"
+ "\t-f path - Path to the file with base64 code\n"
+ "\t-v - Show version\n"
+ "\t-h - Show this usage\n"
+ "\t-d - Print more information\n"
+ "\t--keep-peer-cert=0 - Use this option if you know that the Mbed TLS library\n"
+ "\t has been compiled with the MBEDTLS_SSL_KEEP_PEER_CERTIFICATE\n"
+ "\t flag. You can also use it if there are some problems with reading\n"
+ "\t the information about certificate\n"
+ "\t--dtls-protocol=0 - Use this option if you know that the Mbed TLS library\n"
+ "\t has been compiled without the MBEDTLS_SSL_PROTO_DTLS flag\n"
+ "\n"
+ );
+}
+
+void printf_dbg( const char *str, ... )
+{
+ if( debug )
+ {
+ va_list args;
+ va_start( args, str );
+ printf( "debug: " );
+ vprintf( str, args );
+ fflush( stdout );
+ va_end( args );
+ }
+}
+
+void printf_err( const char *str, ... )
+{
+ va_list args;
+ va_start( args, str );
+ fflush( stdout );
+ fprintf( stderr, "ERROR: " );
+ vfprintf( stderr, str, args );
+ fflush( stderr );
+ va_end( args );
+}
+
+/*
+ * Exit from the program in case of error
+ */
+void error_exit()
+{
+ if( NULL != b64_file )
+ {
+ fclose( b64_file );
+ }
+ exit( -1 );
+}
+
+/*
+ * This function takes the input arguments of this program
+ */
+void parse_arguments( int argc, char *argv[] )
+{
+ int i = 1;
+
+ if( argc < 2 )
+ {
+ print_usage();
+ error_exit();
+ }
+
+ while( i < argc )
+ {
+ if( strcmp( argv[i], "-d" ) == 0 )
+ {
+ debug = 1;
+ }
+ else if( strcmp( argv[i], "-h" ) == 0 )
+ {
+ print_usage();
+ }
+ else if( strcmp( argv[i], "-v" ) == 0 )
+ {
+ print_version();
+ }
+ else if( strcmp( argv[i], "-f" ) == 0 )
+ {
+ if( ++i >= argc )
+ {
+ printf_err( "File path is empty\n" );
+ error_exit();
+ }
+
+ if( ( b64_file = fopen( argv[i], "r" ) ) == NULL )
+ {
+ printf_err( "Cannot find file \"%s\"\n", argv[i] );
+ error_exit();
+ }
+ }
+ else if( strcmp( argv[i], "--keep-peer-cert=0" ) == 0 )
+ {
+ conf_keep_peer_certificate = 0;
+ }
+ else if( strcmp( argv[i], "--dtls-protocol=0" ) == 0 )
+ {
+ conf_dtls_proto = 0;
+ }
+ else
+ {
+ print_usage();
+ error_exit();
+ }
+
+ i++;
+ }
+}
+
+/*
+ * This function prints base64 code to the stdout
+ */
+void print_b64( const uint8_t *b, size_t len )
+{
+ size_t i = 0;
+ const uint8_t *end = b + len;
+ printf("\t");
+ while( b < end )
+ {
+ if( ++i > 75 )
+ {
+ printf( "\n\t" );
+ i = 0;
+ }
+ printf( "%c", *b++ );
+ }
+ printf( "\n" );
+ fflush( stdout );
+}
+
+/*
+ * This function prints hex code from the buffer to the stdout.
+ *
+ * /p b buffer with data to print
+ * /p len number of bytes to print
+ * /p in_line number of bytes in one line
+ * /p prefix prefix for the new lines
+ */
+void print_hex( const uint8_t *b, size_t len,
+ const size_t in_line, const char *prefix )
+{
+ size_t i = 0;
+ const uint8_t *end = b + len;
+
+ if( prefix == NULL )
+ {
+ prefix = "";
+ }
+
+ while( b < end )
+ {
+ if( ++i > in_line )
+ {
+ printf( "\n%s", prefix );
+ i = 1;
+ }
+ printf( "%02X ", (uint8_t) *b++ );
+ }
+ printf("\n");
+ fflush(stdout);
+}
+
+/*
+ * Print the value of time_t in format e.g. 2020-01-23 13:05:59
+ */
+void print_time( const time_t *time )
+{
+ char buf[20];
+ struct tm *t = gmtime( time );
+ static const char format[] = "%Y-%m-%d %H:%M:%S";
+ if( NULL != t )
+ {
+ strftime( buf, sizeof( buf ), format, t );
+ printf( "%s\n", buf );
+ }
+ else
+ {
+ printf( "unknown\n" );
+ }
+}
+
+/*
+ * Print the input string if the bit is set in the value
+ */
+void print_if_bit( const char *str, int bit, int val )
+{
+ if( bit & val )
+ {
+ printf( "\t%s\n", str );
+ }
+}
+
+/*
+ * Return pointer to hardcoded "enabled" or "disabled" depending on the input value
+ */
+const char * get_enabled_str( int is_en )
+{
+ return ( is_en ) ? "enabled" : "disabled";
+}
+
+/*
+ * Return pointer to hardcoded MFL string value depending on the MFL code at the input
+ */
+const char * get_mfl_str( int mfl_code )
+{
+ switch( mfl_code )
+ {
+ case MBEDTLS_SSL_MAX_FRAG_LEN_NONE:
+ return "none";
+ case MBEDTLS_SSL_MAX_FRAG_LEN_512:
+ return "512";
+ case MBEDTLS_SSL_MAX_FRAG_LEN_1024:
+ return "1024";
+ case MBEDTLS_SSL_MAX_FRAG_LEN_2048:
+ return "2048";
+ case MBEDTLS_SSL_MAX_FRAG_LEN_4096:
+ return "4096";
+ default:
+ return "error";
+ }
+}
+
+/*
+ * Read next base64 code from the 'b64_file'. The 'b64_file' must be opened
+ * previously. After each call to this function, the internal file position
+ * indicator of the global b64_file is advanced.
+ *
+ * Note - This function checks the size of the input buffer and if necessary,
+ * increases it to the maximum MAX_BASE64_LEN
+ *
+ * /p b64 pointer to the pointer of the buffer for input data
+ * /p max_len pointer to the current buffer capacity. It can be changed if
+ * the buffer needs to be increased
+ *
+ * \retval number of bytes written in to the b64 buffer or 0 in case no more
+ * data was found
+ */
+size_t read_next_b64_code( uint8_t **b64, size_t *max_len )
+{
+ int valid_balance = 0; /* balance between valid and invalid characters */
+ size_t len = 0;
+ char pad = 0;
+ int c = 0;
+
+ while( EOF != c )
+ {
+ char c_valid = 0;
+
+ c = fgetc( b64_file );
+
+ if( pad > 0 )
+ {
+ if( c == '=' && pad == 1 )
+ {
+ c_valid = 1;
+ pad = 2;
+ }
+ }
+ else if( ( c >= 'A' && c <= 'Z' ) ||
+ ( c >= 'a' && c <= 'z' ) ||
+ ( c >= '0' && c <= '9' ) ||
+ c == '+' || c == '/' )
+ {
+ c_valid = 1;
+ }
+ else if( c == '=' )
+ {
+ c_valid = 1;
+ pad = 1;
+ }
+ else if( c == '-' )
+ {
+ c = '+';
+ c_valid = 1;
+ }
+ else if( c == '_' )
+ {
+ c = '/';
+ c_valid = 1;
+ }
+
+ if( c_valid )
+ {
+ /* A string of characters that could be a base64 code. */
+ valid_balance++;
+
+ if( len < *max_len )
+ {
+ ( *b64 )[ len++ ] = c;
+ }
+ else if( *max_len < MAX_BASE64_LEN )
+ {
+ /* Current buffer is too small, but can be resized. */
+ void *ptr;
+ size_t new_size = ( MAX_BASE64_LEN - 4096 > *max_len ) ?
+ *max_len + 4096 : MAX_BASE64_LEN;
+
+ ptr = realloc( *b64, new_size );
+ if( NULL == ptr )
+ {
+ printf_err( alloc_err );
+ return 0;
+ }
+ *b64 = ptr;
+ *max_len = new_size;
+ ( *b64 )[ len++ ] = c;
+ }
+ else
+ {
+ /* Too much data so it will be treated as invalid */
+ len++;
+ }
+ }
+ else if( len > 0 )
+ {
+ /* End of a string that could be a base64 code, but need to check
+ * that the length of the characters is correct. */
+
+ valid_balance--;
+
+ if( len < MIN_CONTEXT_LEN )
+ {
+ printf_dbg( "The code found is too small to be a SSL context.\n" );
+ len = pad = 0;
+ }
+ else if( len > *max_len )
+ {
+ printf_err( "The code found is too large by %u bytes.\n", len - *max_len );
+ len = pad = 0;
+ }
+ else if( len % 4 != 0 )
+ {
+ printf_err( "The length of the base64 code found should be a multiple of 4.\n" );
+ len = pad = 0;
+ }
+ else
+ {
+ /* Base64 code with valid character length. */
+ return len;
+ }
+ }
+ else
+ {
+ valid_balance--;
+ }
+
+ /* Detection of potentially wrong file format like: binary, zip, ISO, etc. */
+ if( valid_balance < -100 )
+ {
+ printf_err( "Too many bad symbols detected. File check aborted.\n" );
+ return 0;
+ }
+ }
+
+ printf_dbg( "End of file\n" );
+ return 0;
+}
+
+/*
+ * This function deserializes and prints to the stdout all obtained information
+ * about the certificates from provided data.
+ *
+ * /p ssl pointer to serialized certificate
+ * /p len number of bytes in the buffer
+*/
+void print_deserialized_ssl_cert( const uint8_t *ssl, uint32_t len )
+{
+ enum { STRLEN = 4096 };
+ mbedtls_x509_crt crt;
+ int ret;
+ char str[STRLEN];
+
+ printf( "\nCertificate:\n" );
+
+ mbedtls_x509_crt_init( &crt );
+ ret = mbedtls_x509_crt_parse_der( &crt, ssl, len );
+ if( 0 != ret )
+ {
+ mbedtls_strerror( ret, str, STRLEN );
+ printf_err( "Invalid format of X.509 - %s\n", str );
+ printf( "Cannot deserialize:\n\t" );
+ print_hex( ssl, len, 25, "\t" );
+ }
+ else
+ {
+ mbedtls_x509_crt *current = &crt;
+
+ while( current != NULL )
+ {
+ ret = mbedtls_x509_crt_info( str, STRLEN, "\t", current );
+ if( 0 > ret )
+ {
+ mbedtls_strerror( ret, str, STRLEN );
+ printf_err( "Cannot write to the output - %s\n", str );
+ }
+ else
+ {
+ printf( "%s", str );
+ }
+
+ current = current->next;
+
+ if( current )
+ {
+ printf( "\n" );
+ }
+
+ }
+ }
+
+ mbedtls_x509_crt_free( &crt );
+}
+
+/*
+ * This function deserializes and prints to the stdout all obtained information
+ * about the session from provided data. This function was built based on
+ * mbedtls_ssl_session_load(). mbedtls_ssl_session_load() could not be used
+ * due to dependencies on the mbedTLS configuration.
+ *
+ * The data structure in the buffer:
+ * uint64 start_time;
+ * uint8 ciphersuite[2]; // defined by the standard
+ * uint8 compression; // 0 or 1
+ * uint8 session_id_len; // at most 32
+ * opaque session_id[32];
+ * opaque master[48]; // fixed length in the standard
+ * uint32 verify_result;
+ * opaque peer_cert<0..2^24-1>; // length 0 means no peer cert
+ * opaque ticket<0..2^24-1>; // length 0 means no ticket
+ * uint32 ticket_lifetime;
+ * uint8 mfl_code; // up to 255 according to standard
+ * uint8 trunc_hmac; // 0 or 1
+ * uint8 encrypt_then_mac; // 0 or 1
+ *
+ * /p ssl pointer to serialized session
+ * /p len number of bytes in the buffer
+ * /p session_cfg_flag session configuration flags
+ */
+void print_deserialized_ssl_session( const uint8_t *ssl, uint32_t len,
+ int session_cfg_flag )
+{
+ const struct mbedtls_ssl_ciphersuite_t * ciphersuite_info;
+ int ciphersuite_id;
+ uint32_t cert_len, ticket_len;
+ uint32_t verify_result, ticket_lifetime;
+ const uint8_t *end = ssl + len;
+
+ printf( "\nSession info:\n" );
+
+ if( session_cfg_flag & SESSION_CONFIG_TIME_BIT )
+ {
+ uint64_t start;
+ CHECK_SSL_END( 8 );
+ start = ( (uint64_t) ssl[0] << 56 ) |
+ ( (uint64_t) ssl[1] << 48 ) |
+ ( (uint64_t) ssl[2] << 40 ) |
+ ( (uint64_t) ssl[3] << 32 ) |
+ ( (uint64_t) ssl[4] << 24 ) |
+ ( (uint64_t) ssl[5] << 16 ) |
+ ( (uint64_t) ssl[6] << 8 ) |
+ ( (uint64_t) ssl[7] );
+ ssl += 8;
+ printf( "\tstart time : " );
+ print_time( (time_t*) &start );
+ }
+
+ CHECK_SSL_END( 2 );
+ ciphersuite_id = ( (int) ssl[0] << 8 ) | (int) ssl[1];
+ printf_dbg( "Ciphersuite ID: %d\n", ciphersuite_id );
+ ssl += 2;
+
+ ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite_id );
+ if( ciphersuite_info == NULL )
+ {
+ printf_err( "Cannot find ciphersuite info\n" );
+ }
+ else
+ {
+ const mbedtls_cipher_info_t *cipher_info;
+ const mbedtls_md_info_t *md_info;
+
+ printf( "\tciphersuite : %s\n", ciphersuite_info->name );
+ printf( "\tcipher flags : 0x%02X\n", ciphersuite_info->flags );
+
+ cipher_info = mbedtls_cipher_info_from_type( ciphersuite_info->cipher );
+ if( cipher_info == NULL )
+ {
+ printf_err( "Cannot find cipher info\n" );
+ }
+ else
+ {
+ printf( "\tcipher : %s\n", cipher_info->name );
+ }
+
+ md_info = mbedtls_md_info_from_type( ciphersuite_info->mac );
+ if( md_info == NULL )
+ {
+ printf_err( "Cannot find Message-Digest info\n" );
+ }
+ else
+ {
+ printf( "\tMessage-Digest : %s\n", md_info->name );
+ }
+ }
+
+ CHECK_SSL_END( 1 );
+ printf( "\tcompression : %s\n", get_enabled_str( *ssl++ ) );
+
+ /* Note - Here we can get session ID length from serialized data, but we
+ * use hardcoded 32-bytes length. This approach was taken from
+ * 'mbedtls_ssl_session_load()'. */
+ CHECK_SSL_END( 1 + 32 );
+ printf_dbg( "Session id length: %u\n", (uint32_t) *ssl++ );
+ printf( "\tsession ID : ");
+ print_hex( ssl, 32, 16, "\t " );
+ ssl += 32;
+
+ printf( "\tmaster secret : ");
+ CHECK_SSL_END( 48 );
+ print_hex( ssl, 48, 16, "\t " );
+ ssl += 48;
+
+ CHECK_SSL_END( 4 );
+ verify_result = ( (uint32_t) ssl[0] << 24 ) |
+ ( (uint32_t) ssl[1] << 16 ) |
+ ( (uint32_t) ssl[2] << 8 ) |
+ ( (uint32_t) ssl[3] );
+ ssl += 4;
+ printf( "\tverify result : 0x%08X\n", verify_result );
+
+ if( SESSION_CONFIG_CRT_BIT & session_cfg_flag )
+ {
+ if( conf_keep_peer_certificate )
+ {
+ CHECK_SSL_END( 3 );
+ cert_len = ( (uint32_t) ssl[0] << 16 ) |
+ ( (uint32_t) ssl[1] << 8 ) |
+ ( (uint32_t) ssl[2] );
+ ssl += 3;
+ printf_dbg( "Certificate length: %u\n", cert_len );
+
+ if( cert_len > 0 )
+ {
+ CHECK_SSL_END( cert_len );
+ print_deserialized_ssl_cert( ssl, cert_len );
+ ssl += cert_len;
+ }
+ }
+ else
+ {
+ printf( "\tPeer digest : " );
+
+ CHECK_SSL_END( 1 );
+ switch( (mbedtls_md_type_t) *ssl++ )
+ {
+ case MBEDTLS_MD_NONE:
+ printf( "none\n" );
+ break;
+ case MBEDTLS_MD_MD2:
+ printf( "MD2\n" );
+ break;
+ case MBEDTLS_MD_MD4:
+ printf( "MD4\n" );
+ break;
+ case MBEDTLS_MD_MD5:
+ printf( "MD5\n" );
+ break;
+ case MBEDTLS_MD_SHA1:
+ printf( "SHA1\n" );
+ break;
+ case MBEDTLS_MD_SHA224:
+ printf( "SHA224\n" );
+ break;
+ case MBEDTLS_MD_SHA256:
+ printf( "SHA256\n" );
+ break;
+ case MBEDTLS_MD_SHA384:
+ printf( "SHA384\n" );
+ break;
+ case MBEDTLS_MD_SHA512:
+ printf( "SHA512\n" );
+ break;
+ case MBEDTLS_MD_RIPEMD160:
+ printf( "RIPEMD160\n" );
+ break;
+ default:
+ printf( "undefined or erroneous\n" );
+ break;
+ }
+
+ CHECK_SSL_END( 1 );
+ cert_len = (uint32_t) *ssl++;
+ printf_dbg( "Message-Digest length: %u\n", cert_len );
+
+ if( cert_len > 0 )
+ {
+ printf( "\tPeer digest cert : " );
+ CHECK_SSL_END( cert_len );
+ print_hex( ssl, cert_len, 16, "\t " );
+ ssl += cert_len;
+ }
+ }
+ }
+
+ if( SESSION_CONFIG_CLIENT_TICKET_BIT & session_cfg_flag )
+ {
+ printf( "\nTicket:\n" );
+
+ CHECK_SSL_END( 3 );
+ ticket_len = ( (uint32_t) ssl[0] << 16 ) |
+ ( (uint32_t) ssl[1] << 8 ) |
+ ( (uint32_t) ssl[2] );
+ ssl += 3;
+ printf_dbg( "Ticket length: %u\n", ticket_len );
+
+ if( ticket_len > 0 )
+ {
+ printf( "\t" );
+ CHECK_SSL_END( ticket_len );
+ print_hex( ssl, ticket_len, 22, "\t" );
+ ssl += ticket_len;
+ printf( "\n" );
+ }
+
+ CHECK_SSL_END( 4 );
+ ticket_lifetime = ( (uint32_t) ssl[0] << 24 ) |
+ ( (uint32_t) ssl[1] << 16 ) |
+ ( (uint32_t) ssl[2] << 8 ) |
+ ( (uint32_t) ssl[3] );
+ ssl += 4;
+ printf( "\tlifetime : %u sec.\n", ticket_lifetime );
+ }
+
+ if( ssl < end )
+ {
+ printf( "\nSession others:\n" );
+ }
+
+ if( SESSION_CONFIG_MFL_BIT & session_cfg_flag )
+ {
+ CHECK_SSL_END( 1 );
+ printf( "\tMFL : %s\n", get_mfl_str( *ssl++ ) );
+ }
+
+ if( SESSION_CONFIG_TRUNC_HMAC_BIT & session_cfg_flag )
+ {
+ CHECK_SSL_END( 1 );
+ printf( "\tnegotiate truncated HMAC : %s\n", get_enabled_str( *ssl++ ) );
+ }
+
+ if( SESSION_CONFIG_ETM_BIT & session_cfg_flag )
+ {
+ CHECK_SSL_END( 1 );
+ printf( "\tEncrypt-then-MAC : %s\n", get_enabled_str( *ssl++ ) );
+ }
+
+ if( 0 != ( end - ssl ) )
+ {
+ printf_err( "%i bytes left to analyze from session\n", (int32_t)( end - ssl ) );
+ }
+}
+
+/*
+ * This function deserializes and prints to the stdout all obtained information
+ * about the context from provided data. This function was built based on
+ * mbedtls_ssl_context_load(). mbedtls_ssl_context_load() could not be used
+ * due to dependencies on the mbedTLS configuration and the configuration of
+ * the context when serialization was created.
+ *
+ * The data structure in the buffer:
+ * // header
+ * uint8 version[3];
+ * uint8 configuration[5];
+ * // session sub-structure
+ * uint32_t session_len;
+ * opaque session<1..2^32-1>; // see mbedtls_ssl_session_save()
+ * // transform sub-structure
+ * uint8 random[64]; // ServerHello.random+ClientHello.random
+ * uint8 in_cid_len;
+ * uint8 in_cid<0..2^8-1> // Connection ID: expected incoming value
+ * uint8 out_cid_len;
+ * uint8 out_cid<0..2^8-1> // Connection ID: outgoing value to use
+ * // fields from ssl_context
+ * uint32 badmac_seen; // DTLS: number of records with failing MAC
+ * uint64 in_window_top; // DTLS: last validated record seq_num
+ * uint64 in_window; // DTLS: bitmask for replay protection
+ * uint8 disable_datagram_packing; // DTLS: only one record per datagram
+ * uint64 cur_out_ctr; // Record layer: outgoing sequence number
+ * uint16 mtu; // DTLS: path mtu (max outgoing fragment size)
+ * uint8 alpn_chosen_len;
+ * uint8 alpn_chosen<0..2^8-1> // ALPN: negotiated application protocol
+ *
+ * /p ssl pointer to serialized session
+ * /p len number of bytes in the buffer
+ */
+void print_deserialized_ssl_context( const uint8_t *ssl, size_t len )
+{
+ const uint8_t *end = ssl + len;
+ uint32_t session_len;
+ int session_cfg_flag;
+ int context_cfg_flag;
+
+ printf( "\nMbed TLS version:\n" );
+
+ CHECK_SSL_END( 3 + 2 + 3 );
+
+ printf( "\tmajor %u\n", (uint32_t) *ssl++ );
+ printf( "\tminor %u\n", (uint32_t) *ssl++ );
+ printf( "\tpath %u\n", (uint32_t) *ssl++ );
+
+ printf( "\nEnabled session and context configuration:\n" );
+
+ session_cfg_flag = ( (int) ssl[0] << 8 ) | ( (int) ssl[1] );
+ ssl += 2;
+
+ context_cfg_flag = ( (int) ssl[0] << 16 ) |
+ ( (int) ssl[1] << 8 ) |
+ ( (int) ssl[2] ) ;
+ ssl += 3;
+
+ printf_dbg( "Session config flags 0x%04X\n", session_cfg_flag );
+ printf_dbg( "Context config flags 0x%06X\n", context_cfg_flag );
+
+ print_if_bit( "MBEDTLS_HAVE_TIME", SESSION_CONFIG_TIME_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_X509_CRT_PARSE_C", SESSION_CONFIG_CRT_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", SESSION_CONFIG_MFL_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_TRUNCATED_HMAC", SESSION_CONFIG_TRUNC_HMAC_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_ENCRYPT_THEN_MAC", SESSION_CONFIG_ETM_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS", SESSION_CONFIG_TICKET_BIT, session_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS and client", SESSION_CONFIG_CLIENT_TICKET_BIT, session_cfg_flag );
+
+ print_if_bit( "MBEDTLS_SSL_DTLS_CONNECTION_ID", CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT, context_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_DTLS_BADMAC_LIMIT", CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT, context_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_DTLS_ANTI_REPLAY", CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT, context_cfg_flag );
+ print_if_bit( "MBEDTLS_SSL_ALPN", CONTEXT_CONFIG_ALPN_BIT, context_cfg_flag );
+
+ CHECK_SSL_END( 4 );
+ session_len = ( (uint32_t) ssl[0] << 24 ) |
+ ( (uint32_t) ssl[1] << 16 ) |
+ ( (uint32_t) ssl[2] << 8 ) |
+ ( (uint32_t) ssl[3] );
+ ssl += 4;
+ printf_dbg( "Session length %u\n", session_len );
+
+ CHECK_SSL_END( session_len );
+ print_deserialized_ssl_session( ssl, session_len, session_cfg_flag );
+ ssl += session_len;
+
+ printf( "\nRandom bytes:\n\t");
+
+ CHECK_SSL_END( TRANSFORM_RANDBYTE_LEN );
+ print_hex( ssl, TRANSFORM_RANDBYTE_LEN, 22, "\t" );
+ ssl += TRANSFORM_RANDBYTE_LEN;
+
+ printf( "\nContext others:\n" );
+
+ if( CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT & context_cfg_flag )
+ {
+ uint8_t cid_len;
+
+ CHECK_SSL_END( 1 );
+ cid_len = *ssl++;
+ printf_dbg( "In CID length %u\n", (uint32_t) cid_len );
+
+ printf( "\tin CID : " );
+ if( cid_len > 0 )
+ {
+ CHECK_SSL_END( cid_len );
+ print_hex( ssl, cid_len, 20, "\t" );
+ ssl += cid_len;
+ }
+ else
+ {
+ printf( "none\n" );
+ }
+
+ CHECK_SSL_END( 1 );
+ cid_len = *ssl++;
+ printf_dbg( "Out CID length %u\n", (uint32_t) cid_len );
+
+ printf( "\tout CID : " );
+ if( cid_len > 0 )
+ {
+ CHECK_SSL_END( cid_len );
+ print_hex( ssl, cid_len, 20, "\t" );
+ ssl += cid_len;
+ }
+ else
+ {
+ printf( "none\n" );
+ }
+ }
+
+ if( CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT & context_cfg_flag )
+ {
+ uint32_t badmac_seen;
+
+ CHECK_SSL_END( 4 );
+ badmac_seen = ( (uint32_t) ssl[0] << 24 ) |
+ ( (uint32_t) ssl[1] << 16 ) |
+ ( (uint32_t) ssl[2] << 8 ) |
+ ( (uint32_t) ssl[3] );
+ ssl += 4;
+ printf( "\tbad MAC seen number : %u\n", badmac_seen );
+
+ /* value 'in_window_top' from mbedtls_ssl_context */
+ printf( "\tlast validated record sequence no. : " );
+ CHECK_SSL_END( 8 );
+ print_hex( ssl, 8, 20, "" );
+ ssl += 8;
+
+ /* value 'in_window' from mbedtls_ssl_context */
+ printf( "\tbitmask for replay detection : " );
+ CHECK_SSL_END( 8 );
+ print_hex( ssl, 8, 20, "" );
+ ssl += 8;
+ }
+
+ if( conf_dtls_proto )
+ {
+ CHECK_SSL_END( 1 );
+ printf( "\tDTLS datagram packing : %s\n",
+ get_enabled_str( ! ( *ssl++ ) ) );
+ }
+
+ /* value 'cur_out_ctr' from mbedtls_ssl_context */
+ printf( "\toutgoing record sequence no. : ");
+ CHECK_SSL_END( 8 );
+ print_hex( ssl, 8, 20, "" );
+ ssl += 8;
+
+ if( conf_dtls_proto )
+ {
+ uint16_t mtu;
+ CHECK_SSL_END( 2 );
+ mtu = ( ssl[0] << 8 ) | ssl[1];
+ ssl += 2;
+ printf( "\tMTU : %u\n", mtu );
+ }
+
+
+ if( CONTEXT_CONFIG_ALPN_BIT & context_cfg_flag )
+ {
+ uint8_t alpn_len;
+
+ CHECK_SSL_END( 1 );
+ alpn_len = *ssl++;
+ printf_dbg( "ALPN length %u\n", (uint32_t) alpn_len );
+
+ printf( "\tALPN negotiation : " );
+ CHECK_SSL_END( alpn_len );
+ if( alpn_len > 0 )
+ {
+ if( strlen( (const char*) ssl ) == alpn_len )
+ {
+ printf( "%s\n", ssl );
+ }
+ else
+ {
+ printf( "\n" );
+ printf_err( "\tALPN negotiation is incorrect\n" );
+ }
+ ssl += alpn_len;
+ }
+ else
+ {
+ printf( "not selected\n" );
+ }
+ }
+
+ if( 0 != ( end - ssl ) )
+ {
+ printf_err( "%i bytes left to analyze from context\n", (int32_t)( end - ssl ) );
+ }
+ printf( "\n" );
+}
+
+int main( int argc, char *argv[] )
+{
+ enum { SSL_INIT_LEN = 4096 };
+
+ uint32_t b64_counter = 0;
+ uint8_t *b64_buf = NULL;
+ uint8_t *ssl_buf = NULL;
+ size_t b64_max_len = SSL_INIT_LEN;
+ size_t ssl_max_len = SSL_INIT_LEN;
+ size_t ssl_len = 0;
+
+ /* The 'b64_file' is opened when parsing arguments to check that the
+ * file name is correct */
+ parse_arguments( argc, argv );
+
+ if( NULL != b64_file )
+ {
+ b64_buf = malloc( SSL_INIT_LEN );
+ ssl_buf = malloc( SSL_INIT_LEN );
+
+ if( NULL == b64_buf || NULL == ssl_buf )
+ {
+ printf_err( alloc_err );
+ fclose( b64_file );
+ b64_file = NULL;
+ }
+ }
+
+ while( NULL != b64_file )
+ {
+ size_t b64_len = read_next_b64_code( &b64_buf, &b64_max_len );
+ if( b64_len > 0)
+ {
+ int ret;
+ size_t ssl_required_len = b64_len * 3 / 4 + 1;
+
+ /* Allocate more memory if necessary. */
+ if( ssl_required_len > ssl_max_len )
+ {
+ void *ptr = realloc( ssl_buf, ssl_required_len );
+ if( NULL == ptr )
+ {
+ printf_err( alloc_err );
+ fclose( b64_file );
+ b64_file = NULL;
+ break;
+ }
+ ssl_buf = ptr;
+ ssl_max_len = ssl_required_len;
+ }
+
+ printf( "\nDeserializing number %u:\n", ++b64_counter );
+
+ printf( "\nBase64 code:\n" );
+ print_b64( b64_buf, b64_len );
+
+ ret = mbedtls_base64_decode( ssl_buf, ssl_max_len, &ssl_len, b64_buf, b64_len );
+ if( ret != 0)
+ {
+ mbedtls_strerror( ret, (char*) b64_buf, b64_max_len );
+ printf_err( "base64 code cannot be decoded - %s\n", b64_buf );
+ continue;
+ }
+
+ if( debug )
+ {
+ printf( "\nDecoded data in hex:\n\t");
+ print_hex( ssl_buf, ssl_len, 25, "\t" );
+ }
+
+ print_deserialized_ssl_context( ssl_buf, ssl_len );
+
+ }
+ else
+ {
+ fclose( b64_file );
+ b64_file = NULL;
+ }
+ }
+
+ free( b64_buf );
+ free( ssl_buf );
+
+ if( b64_counter > 0 )
+ {
+ printf_dbg( "Finished. Found %u base64 codes\n", b64_counter );
+ }
+ else
+ {
+ printf( "Finished. No valid base64 code found\n" );
+ }
+
+ return 0;
+}
+
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_fork_server.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_fork_server.c
new file mode 100644
index 0000000..3a07179
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_fork_server.c
@@ -0,0 +1,423 @@
+/*
+ * SSL server demonstration program using fork() for handling multiple clients
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_time_t time_t
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_CERTS_C) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) || \
+ !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) || \
+ !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_TIMING_C) || \
+ !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_PEM_PARSE_C)
+int main( int argc, char *argv[] )
+{
+ ((void) argc);
+ ((void) argv);
+
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_CERTS_C and/or MBEDTLS_ENTROPY_C "
+ "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+ "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+ mbedtls_exit( 0 );
+}
+#elif defined(_WIN32)
+int main( void )
+{
+ mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
+ "to work correctly.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/timing.h"
+
+#include <string.h>
+#include <signal.h>
+
+#if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
+#include <unistd.h>
+#endif
+
+#define HTTP_RESPONSE \
+ "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+ "<h2>mbed TLS Test Server</h2>\r\n" \
+ "<p>Successful connection using: %s</p>\r\n"
+
+#define DEBUG_LEVEL 0
+
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+int main( void )
+{
+ int ret = 1, len, cnt = 0, pid;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_net_context listen_fd, client_fd;
+ unsigned char buf[1024];
+ const char *pers = "ssl_fork_server";
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt srvcert;
+ mbedtls_pk_context pkey;
+
+ mbedtls_net_init( &listen_fd );
+ mbedtls_net_init( &client_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_entropy_init( &entropy );
+ mbedtls_pk_init( &pkey );
+ mbedtls_x509_crt_init( &srvcert );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+ signal( SIGCHLD, SIG_IGN );
+
+ /*
+ * 0. Initial seeding of the RNG
+ */
+ mbedtls_printf( "\n . Initial seeding of the random generator..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_ctr_drbg_seed returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1. Load the certificates and private RSA key
+ */
+ mbedtls_printf( " . Loading the server cert. and key..." );
+ fflush( stdout );
+
+ /*
+ * This demonstration program uses embedded test certificates.
+ * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
+ * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
+ */
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+ mbedtls_test_srv_crt_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+ mbedtls_test_srv_key_len, NULL, 0 );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_pk_parse_key returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1b. Prepare SSL configuration
+ */
+ mbedtls_printf( " . Configuring SSL..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_SERVER,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+ mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Setup the listening TCP socket
+ */
+ mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_net_bind returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ while( 1 )
+ {
+ /*
+ * 3. Wait until a client connects
+ */
+ mbedtls_net_init( &client_fd );
+ mbedtls_ssl_init( &ssl );
+
+ mbedtls_printf( " . Waiting for a remote connection ...\n" );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+ NULL, 0, NULL ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_net_accept returned %d\n\n", ret );
+ goto exit;
+ }
+
+ /*
+ * 3.5. Forking server thread
+ */
+
+ mbedtls_printf( " . Forking to handle connection ..." );
+ fflush( stdout );
+
+ pid = fork();
+
+ if( pid < 0 )
+ {
+ mbedtls_printf(" failed! fork returned %d\n\n", pid );
+ goto exit;
+ }
+
+ if( pid != 0 )
+ {
+ mbedtls_printf( " ok\n" );
+ mbedtls_net_close( &client_fd );
+
+ if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
+ (const unsigned char *) "parent",
+ 6 ) ) != 0 )
+ {
+ mbedtls_printf( " failed! mbedtls_ctr_drbg_reseed returned %d\n\n", ret );
+ goto exit;
+ }
+
+ continue;
+ }
+
+ mbedtls_net_close( &listen_fd );
+
+ pid = getpid();
+
+ /*
+ * 4. Setup stuff
+ */
+ mbedtls_printf( "pid %d: Setting up the SSL data.\n", pid );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
+ (const unsigned char *) "child",
+ 5 ) ) != 0 )
+ {
+ mbedtls_printf(
+ "pid %d: SSL setup failed! mbedtls_ctr_drbg_reseed returned %d\n\n",
+ pid, ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf(
+ "pid %d: SSL setup failed! mbedtls_ssl_setup returned %d\n\n",
+ pid, ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ mbedtls_printf( "pid %d: SSL setup ok\n", pid );
+
+ /*
+ * 5. Handshake
+ */
+ mbedtls_printf( "pid %d: Performing the SSL/TLS handshake.\n", pid );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf(
+ "pid %d: SSL handshake failed! mbedtls_ssl_handshake returned %d\n\n",
+ pid, ret );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf( "pid %d: SSL handshake ok\n", pid );
+
+ /*
+ * 6. Read the HTTP Request
+ */
+ mbedtls_printf( "pid %d: Start reading from client.\n", pid );
+ fflush( stdout );
+
+ do
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ continue;
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( "pid %d: connection was closed gracefully\n", pid );
+ break;
+
+ case MBEDTLS_ERR_NET_CONN_RESET:
+ mbedtls_printf( "pid %d: connection was reset by peer\n", pid );
+ break;
+
+ default:
+ mbedtls_printf( "pid %d: mbedtls_ssl_read returned %d\n", pid, ret );
+ break;
+ }
+
+ break;
+ }
+
+ len = ret;
+ mbedtls_printf( "pid %d: %d bytes read\n\n%s", pid, len, (char *) buf );
+
+ if( ret > 0 )
+ break;
+ }
+ while( 1 );
+
+ /*
+ * 7. Write the 200 Response
+ */
+ mbedtls_printf( "pid %d: Start writing to client.\n", pid );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, HTTP_RESPONSE,
+ mbedtls_ssl_get_ciphersuite( &ssl ) );
+
+ while( cnt++ < 100 )
+ {
+ while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
+ {
+ if( ret == MBEDTLS_ERR_NET_CONN_RESET )
+ {
+ mbedtls_printf(
+ "pid %d: Write failed! peer closed the connection\n\n", pid );
+ goto exit;
+ }
+
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf(
+ "pid %d: Write failed! mbedtls_ssl_write returned %d\n\n",
+ pid, ret );
+ goto exit;
+ }
+ }
+ len = ret;
+ mbedtls_printf( "pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf );
+
+ mbedtls_net_usleep( 1000000 );
+ }
+
+ mbedtls_ssl_close_notify( &ssl );
+ goto exit;
+ }
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+ mbedtls_net_free( &client_fd );
+ mbedtls_net_free( &listen_fd );
+
+ mbedtls_x509_crt_free( &srvcert );
+ mbedtls_pk_free( &pkey );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ mbedtls_printf( " Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ mbedtls_exit( exit_code );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
+ MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
+ MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_PARSE_C &&
+ ! _WIN32 */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c
new file mode 100644
index 0000000..fb965f6
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_mail_client.c
@@ -0,0 +1,859 @@
+/*
+ * SSL client for SMTP servers
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* Enable definition of gethostname() even when compiling with -std=c99. Must
+ * be set before config.h, which pulls in glibc's features.h indirectly.
+ * Harmless on other platforms. */
+#define _POSIX_C_SOURCE 200112L
+#define _XOPEN_SOURCE 600
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_time time
+#define mbedtls_time_t time_t
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif /* MBEDTLS_PLATFORM_C */
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) || \
+ !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
+ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) || \
+ !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
+ !defined(MBEDTLS_FS_IO)
+int main( void )
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
+ "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+ "not defined.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include "mbedtls/base64.h"
+#include "mbedtls/error.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
+#include <unistd.h>
+#else
+#include <io.h>
+#endif
+
+#if defined(_WIN32) || defined(_WIN32_WCE)
+#include <winsock2.h>
+#include <windows.h>
+
+#if defined(_MSC_VER)
+#if defined(_WIN32_WCE)
+#pragma comment( lib, "ws2.lib" )
+#else
+#pragma comment( lib, "ws2_32.lib" )
+#endif
+#endif /* _MSC_VER */
+#endif
+
+#define DFL_SERVER_NAME "localhost"
+#define DFL_SERVER_PORT "465"
+#define DFL_USER_NAME "user"
+#define DFL_USER_PWD "password"
+#define DFL_MAIL_FROM ""
+#define DFL_MAIL_TO ""
+#define DFL_DEBUG_LEVEL 0
+#define DFL_CA_FILE ""
+#define DFL_CRT_FILE ""
+#define DFL_KEY_FILE ""
+#define DFL_FORCE_CIPHER 0
+#define DFL_MODE 0
+#define DFL_AUTHENTICATION 0
+
+#define MODE_SSL_TLS 0
+#define MODE_STARTTLS 0
+
+#if defined(MBEDTLS_BASE64_C)
+#define USAGE_AUTH \
+ " authentication=%%d default: 0 (disabled)\n" \
+ " user_name=%%s default: \"" DFL_USER_NAME "\"\n" \
+ " user_pwd=%%s default: \"" DFL_USER_PWD "\"\n"
+#else
+#define USAGE_AUTH \
+ " authentication options disabled. (Require MBEDTLS_BASE64_C)\n"
+#endif /* MBEDTLS_BASE64_C */
+
+#if defined(MBEDTLS_FS_IO)
+#define USAGE_IO \
+ " ca_file=%%s default: \"\" (pre-loaded)\n" \
+ " crt_file=%%s default: \"\" (pre-loaded)\n" \
+ " key_file=%%s default: \"\" (pre-loaded)\n"
+#else
+#define USAGE_IO \
+ " No file operations available (MBEDTLS_FS_IO not defined)\n"
+#endif /* MBEDTLS_FS_IO */
+
+#define USAGE \
+ "\n usage: ssl_mail_client param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " server_name=%%s default: " DFL_SERVER_NAME "\n" \
+ " server_port=%%d default: " DFL_SERVER_PORT "\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " mode=%%d default: 0 (SSL/TLS) (1 for STARTTLS)\n" \
+ USAGE_AUTH \
+ " mail_from=%%s default: \"\"\n" \
+ " mail_to=%%s default: \"\"\n" \
+ USAGE_IO \
+ " force_ciphersuite=<name> default: all enabled\n" \
+ " acceptable ciphersuite names:\n"
+
+
+/*
+ * global options
+ */
+struct options
+{
+ const char *server_name; /* hostname of the server (client only) */
+ const char *server_port; /* port on which the ssl service runs */
+ int debug_level; /* level of debugging */
+ int authentication; /* if authentication is required */
+ int mode; /* SSL/TLS (0) or STARTTLS (1) */
+ const char *user_name; /* username to use for authentication */
+ const char *user_pwd; /* password to use for authentication */
+ const char *mail_from; /* E-Mail address to use as sender */
+ const char *mail_to; /* E-Mail address to use as recipient */
+ const char *ca_file; /* the file with the CA certificate(s) */
+ const char *crt_file; /* the file with the client certificate */
+ const char *key_file; /* the file with the client key */
+ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
+} opt;
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+static int do_handshake( mbedtls_ssl_context *ssl )
+{
+ int ret;
+ uint32_t flags;
+ unsigned char buf[1024];
+ memset(buf, 0, 1024);
+
+ /*
+ * 4. Handshake
+ */
+ mbedtls_printf( " . Performing the SSL/TLS handshake..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+#if defined(MBEDTLS_ERROR_C)
+ mbedtls_strerror( ret, (char *) buf, 1024 );
+#endif
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned %d: %s\n\n", ret, buf );
+ return( -1 );
+ }
+ }
+
+ mbedtls_printf( " ok\n [ Ciphersuite is %s ]\n",
+ mbedtls_ssl_get_ciphersuite( ssl ) );
+
+ /*
+ * 5. Verify the server certificate
+ */
+ mbedtls_printf( " . Verifying peer X.509 certificate..." );
+
+ /* In real life, we probably want to bail out when ret != 0 */
+ if( ( flags = mbedtls_ssl_get_verify_result( ssl ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+
+ mbedtls_printf( " . Peer certificate information ...\n" );
+ mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ",
+ mbedtls_ssl_get_peer_cert( ssl ) );
+ mbedtls_printf( "%s\n", buf );
+
+ return( 0 );
+}
+
+static int write_ssl_data( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
+{
+ int ret;
+
+ mbedtls_printf("\n%s", buf);
+ while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ return -1;
+ }
+ }
+
+ return( 0 );
+}
+
+static int write_ssl_and_get_response( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
+{
+ int ret;
+ unsigned char data[128];
+ char code[4];
+ size_t i, idx = 0;
+
+ mbedtls_printf("\n%s", buf);
+ while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ return -1;
+ }
+ }
+
+ do
+ {
+ len = sizeof( data ) - 1;
+ memset( data, 0, sizeof( data ) );
+ ret = mbedtls_ssl_read( ssl, data, len );
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ continue;
+
+ if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+ return -1;
+
+ if( ret <= 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_ssl_read returned %d\n\n", ret );
+ return -1;
+ }
+
+ mbedtls_printf("\n%s", data);
+ len = ret;
+ for( i = 0; i < len; i++ )
+ {
+ if( data[i] != '\n' )
+ {
+ if( idx < 4 )
+ code[ idx++ ] = data[i];
+ continue;
+ }
+
+ if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
+ {
+ code[3] = '\0';
+ return atoi( code );
+ }
+
+ idx = 0;
+ }
+ }
+ while( 1 );
+}
+
+static int write_and_get_response( mbedtls_net_context *sock_fd, unsigned char *buf, size_t len )
+{
+ int ret;
+ unsigned char data[128];
+ char code[4];
+ size_t i, idx = 0;
+
+ mbedtls_printf("\n%s", buf);
+ if( len && ( ret = mbedtls_net_send( sock_fd, buf, len ) ) <= 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_send returned %d\n\n", ret );
+ return -1;
+ }
+
+ do
+ {
+ len = sizeof( data ) - 1;
+ memset( data, 0, sizeof( data ) );
+ ret = mbedtls_net_recv( sock_fd, data, len );
+
+ if( ret <= 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_net_recv returned %d\n\n", ret );
+ return -1;
+ }
+
+ data[len] = '\0';
+ mbedtls_printf("\n%s", data);
+ len = ret;
+ for( i = 0; i < len; i++ )
+ {
+ if( data[i] != '\n' )
+ {
+ if( idx < 4 )
+ code[ idx++ ] = data[i];
+ continue;
+ }
+
+ if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
+ {
+ code[3] = '\0';
+ return atoi( code );
+ }
+
+ idx = 0;
+ }
+ }
+ while( 1 );
+}
+
+int main( int argc, char *argv[] )
+{
+ int ret = 1, len;
+ int exit_code = MBEDTLS_EXIT_FAILURE;
+ mbedtls_net_context server_fd;
+#if defined(MBEDTLS_BASE64_C)
+ unsigned char base[1024];
+ /* buf is used as the destination buffer for printing base with the format:
+ * "%s\r\n". Hence, the size of buf should be at least the size of base
+ * plus 2 bytes for the \r and \n characters.
+ */
+ unsigned char buf[sizeof( base ) + 2];
+#else
+ unsigned char buf[1024];
+#endif
+ char hostname[32];
+ const char *pers = "ssl_mail_client";
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt cacert;
+ mbedtls_x509_crt clicert;
+ mbedtls_pk_context pkey;
+ int i;
+ size_t n;
+ char *p, *q;
+ const int *list;
+
+ /*
+ * Make sure memory references are valid in case we exit early.
+ */
+ mbedtls_net_init( &server_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ memset( &buf, 0, sizeof( buf ) );
+ mbedtls_x509_crt_init( &cacert );
+ mbedtls_x509_crt_init( &clicert );
+ mbedtls_pk_init( &pkey );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+ if( argc == 0 )
+ {
+ usage:
+ mbedtls_printf( USAGE );
+
+ list = mbedtls_ssl_list_ciphersuites();
+ while( *list )
+ {
+ mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+ list++;
+ }
+ mbedtls_printf("\n");
+ goto exit;
+ }
+
+ opt.server_name = DFL_SERVER_NAME;
+ opt.server_port = DFL_SERVER_PORT;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.authentication = DFL_AUTHENTICATION;
+ opt.mode = DFL_MODE;
+ opt.user_name = DFL_USER_NAME;
+ opt.user_pwd = DFL_USER_PWD;
+ opt.mail_from = DFL_MAIL_FROM;
+ opt.mail_to = DFL_MAIL_TO;
+ opt.ca_file = DFL_CA_FILE;
+ opt.crt_file = DFL_CRT_FILE;
+ opt.key_file = DFL_KEY_FILE;
+ opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+
+ for( i = 1; i < argc; i++ )
+ {
+ p = argv[i];
+ if( ( q = strchr( p, '=' ) ) == NULL )
+ goto usage;
+ *q++ = '\0';
+
+ if( strcmp( p, "server_name" ) == 0 )
+ opt.server_name = q;
+ else if( strcmp( p, "server_port" ) == 0 )
+ opt.server_port = q;
+ else if( strcmp( p, "debug_level" ) == 0 )
+ {
+ opt.debug_level = atoi( q );
+ if( opt.debug_level < 0 || opt.debug_level > 65535 )
+ goto usage;
+ }
+ else if( strcmp( p, "authentication" ) == 0 )
+ {
+ opt.authentication = atoi( q );
+ if( opt.authentication < 0 || opt.authentication > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "mode" ) == 0 )
+ {
+ opt.mode = atoi( q );
+ if( opt.mode < 0 || opt.mode > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "user_name" ) == 0 )
+ opt.user_name = q;
+ else if( strcmp( p, "user_pwd" ) == 0 )
+ opt.user_pwd = q;
+ else if( strcmp( p, "mail_from" ) == 0 )
+ opt.mail_from = q;
+ else if( strcmp( p, "mail_to" ) == 0 )
+ opt.mail_to = q;
+ else if( strcmp( p, "ca_file" ) == 0 )
+ opt.ca_file = q;
+ else if( strcmp( p, "crt_file" ) == 0 )
+ opt.crt_file = q;
+ else if( strcmp( p, "key_file" ) == 0 )
+ opt.key_file = q;
+ else if( strcmp( p, "force_ciphersuite" ) == 0 )
+ {
+ opt.force_ciphersuite[0] = -1;
+
+ opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+
+ if( opt.force_ciphersuite[0] <= 0 )
+ goto usage;
+
+ opt.force_ciphersuite[1] = 0;
+ }
+ else
+ goto usage;
+ }
+
+ /*
+ * 0. Initialize the RNG and the session data
+ */
+ mbedtls_printf( "\n . Seeding the random number generator..." );
+ fflush( stdout );
+
+ mbedtls_entropy_init( &entropy );
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1.1. Load the trusted CA
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.ca_file ) )
+ ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_PEM_PARSE_C)
+ ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+#else
+ {
+ mbedtls_printf("MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C not defined.");
+ goto exit;
+ }
+#endif
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+ /*
+ * 1.2. Load own certificate and private key
+ *
+ * (can be skipped if client authentication is not required)
+ */
+ mbedtls_printf( " . Loading the client cert. and key..." );
+ fflush( stdout );
+
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.crt_file ) )
+ ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C)
+ ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt,
+ mbedtls_test_cli_crt_len );
+#else
+ {
+ mbedtls_printf("MBEDTLS_CERTS_C not defined.");
+ goto exit;
+ }
+#endif
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.key_file ) )
+ ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "" );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_PEM_PARSE_C)
+ ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key,
+ mbedtls_test_cli_key_len, NULL, 0 );
+#else
+ {
+ mbedtls_printf("MBEDTLS_CERTS_C or MBEDTLS_PEM_PARSE_C not defined.");
+ goto exit;
+ }
+#endif
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Start the connection
+ */
+ mbedtls_printf( " . Connecting to tcp/%s/%s...", opt.server_name,
+ opt.server_port );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_connect( &server_fd, opt.server_name,
+ opt.server_port, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 3. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the SSL/TLS structure..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_CLIENT,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ /* OPTIONAL is not optimal for security,
+ * but makes interop easier in this simplified example */
+ mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+ if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
+ mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ mbedtls_printf( " ok\n" );
+
+ if( opt.mode == MODE_SSL_TLS )
+ {
+ if( do_handshake( &ssl ) != 0 )
+ goto exit;
+
+ mbedtls_printf( " > Get header from server:" );
+ fflush( stdout );
+
+ ret = write_ssl_and_get_response( &ssl, buf, 0 );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write EHLO to server:" );
+ fflush( stdout );
+
+ gethostname( hostname, 32 );
+ len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+ }
+ else
+ {
+ mbedtls_printf( " > Get header from server:" );
+ fflush( stdout );
+
+ ret = write_and_get_response( &server_fd, buf, 0 );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write EHLO to server:" );
+ fflush( stdout );
+
+ gethostname( hostname, 32 );
+ len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
+ ret = write_and_get_response( &server_fd, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write STARTTLS to server:" );
+ fflush( stdout );
+
+ gethostname( hostname, 32 );
+ len = sprintf( (char *) buf, "STARTTLS\r\n" );
+ ret = write_and_get_response( &server_fd, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ if( do_handshake( &ssl ) != 0 )
+ goto exit;
+ }
+
+#if defined(MBEDTLS_BASE64_C)
+ if( opt.authentication )
+ {
+ mbedtls_printf( " > Write AUTH LOGIN to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, "AUTH LOGIN\r\n" );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 399 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write username to server: %s", opt.user_name );
+ fflush( stdout );
+
+ ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_name,
+ strlen( opt.user_name ) );
+
+ if( ret != 0 ) {
+ mbedtls_printf( " failed\n ! mbedtls_base64_encode returned %d\n\n", ret );
+ goto exit;
+ }
+ len = sprintf( (char *) buf, "%s\r\n", base );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 300 || ret > 399 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write password to server: %s", opt.user_pwd );
+ fflush( stdout );
+
+ ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_pwd,
+ strlen( opt.user_pwd ) );
+
+ if( ret != 0 ) {
+ mbedtls_printf( " failed\n ! mbedtls_base64_encode returned %d\n\n", ret );
+ goto exit;
+ }
+ len = sprintf( (char *) buf, "%s\r\n", base );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 399 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+ }
+#endif
+
+ mbedtls_printf( " > Write MAIL FROM to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, "MAIL FROM:<%s>\r\n", opt.mail_from );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write RCPT TO to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, "RCPT TO:<%s>\r\n", opt.mail_to );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write DATA to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, "DATA\r\n" );
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 300 || ret > 399 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_printf( " > Write content to server:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n"
+ "This is a simple test mail from the "
+ "mbed TLS mail client example.\r\n"
+ "\r\n"
+ "Enjoy!", opt.mail_from );
+ ret = write_ssl_data( &ssl, buf, len );
+
+ len = sprintf( (char *) buf, "\r\n.\r\n");
+ ret = write_ssl_and_get_response( &ssl, buf, len );
+ if( ret < 200 || ret > 299 )
+ {
+ mbedtls_printf( " failed\n ! server responded with %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf(" ok\n" );
+
+ mbedtls_ssl_close_notify( &ssl );
+
+ exit_code = MBEDTLS_EXIT_SUCCESS;
+
+exit:
+
+ mbedtls_net_free( &server_fd );
+ mbedtls_x509_crt_free( &clicert );
+ mbedtls_x509_crt_free( &cacert );
+ mbedtls_pk_free( &pkey );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ mbedtls_printf( " + Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ mbedtls_exit( exit_code );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
+ MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C **
+ MBEDTLS_CTR_DRBG_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c
new file mode 100644
index 0000000..c4c6ef1
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c
@@ -0,0 +1,533 @@
+/*
+ * SSL server demonstration program using pthread for handling multiple
+ * clients.
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_snprintf snprintf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_CERTS_C) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) || \
+ !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) || \
+ !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_THREADING_C) || !defined(MBEDTLS_THREADING_PTHREAD) || \
+ !defined(MBEDTLS_PEM_PARSE_C)
+int main( void )
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_CERTS_C and/or MBEDTLS_ENTROPY_C "
+ "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+ "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
+ "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/error.h"
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#include "mbedtls/ssl_cache.h"
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+
+#define HTTP_RESPONSE \
+ "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+ "<h2>mbed TLS Test Server</h2>\r\n" \
+ "<p>Successful connection using: %s</p>\r\n"
+
+#define DEBUG_LEVEL 0
+
+#define MAX_NUM_THREADS 5
+
+mbedtls_threading_mutex_t debug_mutex;
+
+static void my_mutexed_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ long int thread_id = (long int) pthread_self();
+
+ mbedtls_mutex_lock( &debug_mutex );
+
+ ((void) level);
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: [ #%ld ] %s",
+ file, line, thread_id, str );
+ fflush( (FILE *) ctx );
+
+ mbedtls_mutex_unlock( &debug_mutex );
+}
+
+typedef struct {
+ mbedtls_net_context client_fd;
+ int thread_complete;
+ const mbedtls_ssl_config *config;
+} thread_info_t;
+
+typedef struct {
+ int active;
+ thread_info_t data;
+ pthread_t thread;
+} pthread_info_t;
+
+static thread_info_t base_info;
+static pthread_info_t threads[MAX_NUM_THREADS];
+
+static void *handle_ssl_connection( void *data )
+{
+ int ret, len;
+ thread_info_t *thread_info = (thread_info_t *) data;
+ mbedtls_net_context *client_fd = &thread_info->client_fd;
+ long int thread_id = (long int) pthread_self();
+ unsigned char buf[1024];
+ mbedtls_ssl_context ssl;
+
+ /* Make sure memory references are valid */
+ mbedtls_ssl_init( &ssl );
+
+ mbedtls_printf( " [ #%ld ] Setting up SSL/TLS data\n", thread_id );
+
+ /*
+ * 4. Get the SSL context ready
+ */
+ if( ( ret = mbedtls_ssl_setup( &ssl, thread_info->config ) ) != 0 )
+ {
+ mbedtls_printf( " [ #%ld ] failed: mbedtls_ssl_setup returned -0x%04x\n",
+ thread_id, ( unsigned int ) -ret );
+ goto thread_exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ /*
+ * 5. Handshake
+ */
+ mbedtls_printf( " [ #%ld ] Performing the SSL/TLS handshake\n", thread_id );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " [ #%ld ] failed: mbedtls_ssl_handshake returned -0x%04x\n",
+ thread_id, ( unsigned int ) -ret );
+ goto thread_exit;
+ }
+ }
+
+ mbedtls_printf( " [ #%ld ] ok\n", thread_id );
+
+ /*
+ * 6. Read the HTTP Request
+ */
+ mbedtls_printf( " [ #%ld ] < Read from client\n", thread_id );
+
+ do
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ continue;
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " [ #%ld ] connection was closed gracefully\n",
+ thread_id );
+ goto thread_exit;
+
+ case MBEDTLS_ERR_NET_CONN_RESET:
+ mbedtls_printf( " [ #%ld ] connection was reset by peer\n",
+ thread_id );
+ goto thread_exit;
+
+ default:
+ mbedtls_printf( " [ #%ld ] mbedtls_ssl_read returned -0x%04x\n",
+ thread_id, ( unsigned int ) -ret );
+ goto thread_exit;
+ }
+ }
+
+ len = ret;
+ mbedtls_printf( " [ #%ld ] %d bytes read\n=====\n%s\n=====\n",
+ thread_id, len, (char *) buf );
+
+ if( ret > 0 )
+ break;
+ }
+ while( 1 );
+
+ /*
+ * 7. Write the 200 Response
+ */
+ mbedtls_printf( " [ #%ld ] > Write to client:\n", thread_id );
+
+ len = sprintf( (char *) buf, HTTP_RESPONSE,
+ mbedtls_ssl_get_ciphersuite( &ssl ) );
+
+ while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
+ {
+ if( ret == MBEDTLS_ERR_NET_CONN_RESET )
+ {
+ mbedtls_printf( " [ #%ld ] failed: peer closed the connection\n",
+ thread_id );
+ goto thread_exit;
+ }
+
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " [ #%ld ] failed: mbedtls_ssl_write returned -0x%04x\n",
+ thread_id, ( unsigned int ) ret );
+ goto thread_exit;
+ }
+ }
+
+ len = ret;
+ mbedtls_printf( " [ #%ld ] %d bytes written\n=====\n%s\n=====\n",
+ thread_id, len, (char *) buf );
+
+ mbedtls_printf( " [ #%ld ] . Closing the connection...", thread_id );
+
+ while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " [ #%ld ] failed: mbedtls_ssl_close_notify returned -0x%04x\n",
+ thread_id, ( unsigned int ) ret );
+ goto thread_exit;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ ret = 0;
+
+thread_exit:
+
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf(" [ #%ld ] Last error was: -0x%04x - %s\n\n",
+ thread_id, ( unsigned int ) -ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( client_fd );
+ mbedtls_ssl_free( &ssl );
+
+ thread_info->thread_complete = 1;
+
+ return( NULL );
+}
+
+static int thread_create( mbedtls_net_context *client_fd )
+{
+ int ret, i;
+
+ /*
+ * Find in-active or finished thread slot
+ */
+ for( i = 0; i < MAX_NUM_THREADS; i++ )
+ {
+ if( threads[i].active == 0 )
+ break;
+
+ if( threads[i].data.thread_complete == 1 )
+ {
+ mbedtls_printf( " [ main ] Cleaning up thread %d\n", i );
+ pthread_join(threads[i].thread, NULL );
+ memset( &threads[i], 0, sizeof(pthread_info_t) );
+ break;
+ }
+ }
+
+ if( i == MAX_NUM_THREADS )
+ return( -1 );
+
+ /*
+ * Fill thread-info for thread
+ */
+ memcpy( &threads[i].data, &base_info, sizeof(base_info) );
+ threads[i].active = 1;
+ memcpy( &threads[i].data.client_fd, client_fd, sizeof( mbedtls_net_context ) );
+
+ if( ( ret = pthread_create( &threads[i].thread, NULL, handle_ssl_connection,
+ &threads[i].data ) ) != 0 )
+ {
+ return( ret );
+ }
+
+ return( 0 );
+}
+
+int main( void )
+{
+ int ret;
+ mbedtls_net_context listen_fd, client_fd;
+ const char pers[] = "ssl_pthread_server";
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt srvcert;
+ mbedtls_x509_crt cachain;
+ mbedtls_pk_context pkey;
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ unsigned char alloc_buf[100000];
+#endif
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_context cache;
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+#endif
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_init( &cache );
+#endif
+
+ mbedtls_x509_crt_init( &srvcert );
+ mbedtls_x509_crt_init( &cachain );
+
+ mbedtls_ssl_config_init( &conf );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+ memset( threads, 0, sizeof(threads) );
+ mbedtls_net_init( &listen_fd );
+ mbedtls_net_init( &client_fd );
+
+ mbedtls_mutex_init( &debug_mutex );
+
+ base_info.config = &conf;
+
+ /*
+ * We use only a single entropy source that is used in all the threads.
+ */
+ mbedtls_entropy_init( &entropy );
+
+ /*
+ * 1. Load the certificates and private RSA key
+ */
+ mbedtls_printf( "\n . Loading the server cert. and key..." );
+ fflush( stdout );
+
+ /*
+ * This demonstration program uses embedded test certificates.
+ * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
+ * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
+ */
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+ mbedtls_test_srv_crt_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_x509_crt_parse( &cachain, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_pk_init( &pkey );
+ ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+ mbedtls_test_srv_key_len, NULL, 0 );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1b. Seed the random number generator
+ */
+ mbedtls_printf( " . Seeding the random number generator..." );
+
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
+ ( unsigned int ) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 1c. Prepare SSL configuration
+ */
+ mbedtls_printf( " . Setting up the SSL data...." );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_SERVER,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
+ ( unsigned int ) -ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_mutexed_debug, stdout );
+
+ /* mbedtls_ssl_cache_get() and mbedtls_ssl_cache_set() are thread-safe if
+ * MBEDTLS_THREADING_C is set.
+ */
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_conf_session_cache( &conf, &cache,
+ mbedtls_ssl_cache_get,
+ mbedtls_ssl_cache_set );
+#endif
+
+ mbedtls_ssl_conf_ca_chain( &conf, &cachain, NULL );
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Setup the listening TCP socket
+ */
+ mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+reset:
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf( " [ main ] Last error was: -0x%04x - %s\n", ( unsigned int ) -ret,
+ error_buf );
+ }
+#endif
+
+ /*
+ * 3. Wait until a client connects
+ */
+ mbedtls_printf( " [ main ] Waiting for a remote connection\n" );
+
+ if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+ NULL, 0, NULL ) ) != 0 )
+ {
+ mbedtls_printf( " [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
+ ( unsigned int ) ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " [ main ] ok\n" );
+ mbedtls_printf( " [ main ] Creating a new thread\n" );
+
+ if( ( ret = thread_create( &client_fd ) ) != 0 )
+ {
+ mbedtls_printf( " [ main ] failed: thread_create returned %d\n", ret );
+ mbedtls_net_free( &client_fd );
+ goto reset;
+ }
+
+ ret = 0;
+ goto reset;
+
+exit:
+ mbedtls_x509_crt_free( &srvcert );
+ mbedtls_pk_free( &pkey );
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_free( &cache );
+#endif
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+ mbedtls_ssl_config_free( &conf );
+
+ mbedtls_net_free( &listen_fd );
+
+ mbedtls_mutex_free( &debug_mutex );
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ mbedtls_memory_buffer_alloc_free();
+#endif
+
+#if defined(_WIN32)
+ mbedtls_printf( " Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ mbedtls_exit( ret );
+}
+
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
+ MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
+ MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_THREADING_C &&
+ MBEDTLS_THREADING_PTHREAD && MBEDTLS_PEM_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_server.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_server.c
new file mode 100644
index 0000000..0124338
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_server.c
@@ -0,0 +1,403 @@
+/*
+ * SSL server demonstration program
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_time time
+#define mbedtls_time_t time_t
+#define mbedtls_fprintf fprintf
+#define mbedtls_printf printf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_CERTS_C) || \
+ !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) || \
+ !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) || \
+ !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
+ !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
+ !defined(MBEDTLS_PEM_PARSE_C)
+int main( void )
+{
+ mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_CERTS_C and/or MBEDTLS_ENTROPY_C "
+ "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+ "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+ "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+ "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+ mbedtls_exit( 0 );
+}
+#else
+
+#include <stdlib.h>
+#include <string.h>
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/error.h"
+#include "mbedtls/debug.h"
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#include "mbedtls/ssl_cache.h"
+#endif
+
+#define HTTP_RESPONSE \
+ "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+ "<h2>mbed TLS Test Server</h2>\r\n" \
+ "<p>Successful connection using: %s</p>\r\n"
+
+#define DEBUG_LEVEL 0
+
+
+static void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ ((void) level);
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
+ fflush( (FILE *) ctx );
+}
+
+int main( void )
+{
+ int ret, len;
+ mbedtls_net_context listen_fd, client_fd;
+ unsigned char buf[1024];
+ const char *pers = "ssl_server";
+
+ mbedtls_entropy_context entropy;
+ mbedtls_ctr_drbg_context ctr_drbg;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+ mbedtls_x509_crt srvcert;
+ mbedtls_pk_context pkey;
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_context cache;
+#endif
+
+ mbedtls_net_init( &listen_fd );
+ mbedtls_net_init( &client_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_init( &cache );
+#endif
+ mbedtls_x509_crt_init( &srvcert );
+ mbedtls_pk_init( &pkey );
+ mbedtls_entropy_init( &entropy );
+ mbedtls_ctr_drbg_init( &ctr_drbg );
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( DEBUG_LEVEL );
+#endif
+
+ /*
+ * 1. Load the certificates and private RSA key
+ */
+ mbedtls_printf( "\n . Loading the server cert. and key..." );
+ fflush( stdout );
+
+ /*
+ * This demonstration program uses embedded test certificates.
+ * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
+ * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
+ */
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
+ mbedtls_test_srv_crt_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
+ mbedtls_test_cas_pem_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
+ goto exit;
+ }
+
+ ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
+ mbedtls_test_srv_key_len, NULL, 0 );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 2. Setup the listening TCP socket
+ */
+ mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 3. Seed the RNG
+ */
+ mbedtls_printf( " . Seeding the random number generator..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 4. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the SSL data...." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_SERVER,
+ MBEDTLS_SSL_TRANSPORT_STREAM,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_conf_session_cache( &conf, &cache,
+ mbedtls_ssl_cache_get,
+ mbedtls_ssl_cache_set );
+#endif
+
+ mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+reset:
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &client_fd );
+
+ mbedtls_ssl_session_reset( &ssl );
+
+ /*
+ * 3. Wait until a client connects
+ */
+ mbedtls_printf( " . Waiting for a remote connection ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+ NULL, 0, NULL ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_accept returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 5. Handshake
+ */
+ mbedtls_printf( " . Performing the SSL/TLS handshake..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned %d\n\n", ret );
+ goto reset;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 6. Read the HTTP Request
+ */
+ mbedtls_printf( " < Read from client:" );
+ fflush( stdout );
+
+ do
+ {
+ len = sizeof( buf ) - 1;
+ memset( buf, 0, sizeof( buf ) );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+ continue;
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ break;
+
+ case MBEDTLS_ERR_NET_CONN_RESET:
+ mbedtls_printf( " connection was reset by peer\n" );
+ break;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+ break;
+ }
+
+ break;
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+
+ if( ret > 0 )
+ break;
+ }
+ while( 1 );
+
+ /*
+ * 7. Write the 200 Response
+ */
+ mbedtls_printf( " > Write to client:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, HTTP_RESPONSE,
+ mbedtls_ssl_get_ciphersuite( &ssl ) );
+
+ while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
+ {
+ if( ret == MBEDTLS_ERR_NET_CONN_RESET )
+ {
+ mbedtls_printf( " failed\n ! peer closed the connection\n\n" );
+ goto reset;
+ }
+
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+
+ len = ret;
+ mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
+
+ mbedtls_printf( " . Closing the connection..." );
+
+ while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
+ {
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+ ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_close_notify returned %d\n\n", ret );
+ goto reset;
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ ret = 0;
+ goto reset;
+
+exit:
+
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &client_fd );
+ mbedtls_net_free( &listen_fd );
+
+ mbedtls_x509_crt_free( &srvcert );
+ mbedtls_pk_free( &pkey );
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_free( &cache );
+#endif
+ mbedtls_ctr_drbg_free( &ctr_drbg );
+ mbedtls_entropy_free( &entropy );
+
+#if defined(_WIN32)
+ mbedtls_printf( " Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+
+ mbedtls_exit( ret );
+}
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
+ MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
+ MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C
+ && MBEDTLS_FS_IO && MBEDTLS_PEM_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_server2.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_server2.c
new file mode 100644
index 0000000..bd4dbb6
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_server2.c
@@ -0,0 +1,4051 @@
+/*
+ * SSL client with options
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ssl_test_lib.h"
+
+#if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
+int main( void )
+{
+ mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
+ mbedtls_exit( 0 );
+}
+#elif !defined(MBEDTLS_SSL_SRV_C)
+int main( void )
+{
+ mbedtls_printf( "MBEDTLS_SSL_SRV_C not defined.\n" );
+ mbedtls_exit( 0 );
+}
+#else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
+
+#include <stdint.h>
+
+#if !defined(_MSC_VER)
+#include <inttypes.h>
+#endif
+
+#if !defined(_WIN32)
+#include <signal.h>
+#endif
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#include "mbedtls/ssl_cache.h"
+#endif
+
+#if defined(MBEDTLS_SSL_TICKET_C)
+#include "mbedtls/ssl_ticket.h"
+#endif
+
+#if defined(MBEDTLS_SSL_COOKIE_C)
+#include "mbedtls/ssl_cookie.h"
+#endif
+
+#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO)
+#define SNI_OPTION
+#endif
+
+#if defined(_WIN32)
+#include <windows.h>
+#endif
+
+/* Size of memory to be allocated for the heap, when using the library's memory
+ * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
+#define MEMORY_HEAP_SIZE 120000
+
+#define DFL_SERVER_ADDR NULL
+#define DFL_SERVER_PORT "4433"
+#define DFL_RESPONSE_SIZE -1
+#define DFL_DEBUG_LEVEL 0
+#define DFL_NBIO 0
+#define DFL_EVENT 0
+#define DFL_READ_TIMEOUT 0
+#define DFL_CA_FILE ""
+#define DFL_CA_PATH ""
+#define DFL_CRT_FILE ""
+#define DFL_KEY_FILE ""
+#define DFL_KEY_PWD ""
+#define DFL_CRT_FILE2 ""
+#define DFL_KEY_FILE2 ""
+#define DFL_KEY_PWD2 ""
+#define DFL_ASYNC_OPERATIONS "-"
+#define DFL_ASYNC_PRIVATE_DELAY1 ( -1 )
+#define DFL_ASYNC_PRIVATE_DELAY2 ( -1 )
+#define DFL_ASYNC_PRIVATE_ERROR ( 0 )
+#define DFL_PSK ""
+#define DFL_PSK_OPAQUE 0
+#define DFL_PSK_LIST_OPAQUE 0
+#define DFL_PSK_IDENTITY "Client_identity"
+#define DFL_ECJPAKE_PW NULL
+#define DFL_PSK_LIST NULL
+#define DFL_FORCE_CIPHER 0
+#define DFL_VERSION_SUITES NULL
+#define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED
+#define DFL_ALLOW_LEGACY -2
+#define DFL_RENEGOTIATE 0
+#define DFL_RENEGO_DELAY -2
+#define DFL_RENEGO_PERIOD ( (uint64_t)-1 )
+#define DFL_EXCHANGES 1
+#define DFL_MIN_VERSION -1
+#define DFL_MAX_VERSION -1
+#define DFL_ARC4 -1
+#define DFL_SHA1 -1
+#define DFL_CID_ENABLED 0
+#define DFL_CID_VALUE ""
+#define DFL_CID_ENABLED_RENEGO -1
+#define DFL_CID_VALUE_RENEGO NULL
+#define DFL_AUTH_MODE -1
+#define DFL_CERT_REQ_CA_LIST MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED
+#define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE
+#define DFL_TRUNC_HMAC -1
+#define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED
+#define DFL_TICKET_TIMEOUT 86400
+#define DFL_CACHE_MAX -1
+#define DFL_CACHE_TIMEOUT -1
+#define DFL_SNI NULL
+#define DFL_ALPN_STRING NULL
+#define DFL_CURVES NULL
+#define DFL_DHM_FILE NULL
+#define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM
+#define DFL_COOKIES 1
+#define DFL_ANTI_REPLAY -1
+#define DFL_HS_TO_MIN 0
+#define DFL_HS_TO_MAX 0
+#define DFL_DTLS_MTU -1
+#define DFL_BADMAC_LIMIT -1
+#define DFL_DGRAM_PACKING 1
+#define DFL_EXTENDED_MS -1
+#define DFL_ETM -1
+#define DFL_SERIALIZE 0
+#define DFL_CONTEXT_FILE ""
+#define DFL_EXTENDED_MS_ENFORCE -1
+#define DFL_CA_CALLBACK 0
+#define DFL_EAP_TLS 0
+#define DFL_REPRODUCIBLE 0
+#define DFL_NSS_KEYLOG 0
+#define DFL_NSS_KEYLOG_FILE NULL
+#define DFL_QUERY_CONFIG_MODE 0
+#define DFL_USE_SRTP 0
+#define DFL_SRTP_FORCE_PROFILE 0
+#define DFL_SRTP_SUPPORT_MKI 0
+
+#define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+ "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
+
+/* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
+ * packets (for fragmentation purposes) */
+#define HTTP_RESPONSE \
+ "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+ "<h2>mbed TLS Test Server</h2>\r\n" \
+ "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
+
+/*
+ * Size of the basic I/O buffer. Able to hold our default response.
+ *
+ * You will need to adapt the mbedtls_ssl_get_bytes_avail() test in ssl-opt.sh
+ * if you change this value to something outside the range <= 100 or > 500
+ */
+#define DFL_IO_BUF_LEN 200
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#if defined(MBEDTLS_FS_IO)
+#define USAGE_IO \
+ " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (pre-loaded)\n" \
+ " use \"none\" to skip loading any top-level CAs.\n" \
+ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
+ " default: \"\" (pre-loaded) (overrides ca_file)\n" \
+ " use \"none\" to skip loading any top-level CAs.\n" \
+ " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
+ " default: see note after key_file2\n" \
+ " key_file=%%s default: see note after key_file2\n" \
+ " key_pwd=%%s Password for key specified by key_file argument\n"\
+ " default: none\n" \
+ " crt_file2=%%s Your second cert and chain (in bottom to top order, top may be omitted)\n" \
+ " default: see note after key_file2\n" \
+ " key_file2=%%s default: see note below\n" \
+ " note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \
+ " preloaded certificate(s) and key(s) are used if available\n" \
+ " key_pwd2=%%s Password for key specified by key_file2 argument\n"\
+ " default: none\n" \
+ " dhm_file=%%s File containing Diffie-Hellman parameters\n" \
+ " default: preloaded parameters\n"
+#else
+#define USAGE_IO \
+ "\n" \
+ " No file operations available (MBEDTLS_FS_IO not defined)\n" \
+ "\n"
+#endif /* MBEDTLS_FS_IO */
+#else
+#define USAGE_IO ""
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+#define USAGE_SSL_ASYNC \
+ " async_operations=%%c... d=decrypt, s=sign (default: -=off)\n" \
+ " async_private_delay1=%%d Asynchronous delay for key_file or preloaded key\n" \
+ " async_private_delay2=%%d Asynchronous delay for key_file2 and sni\n" \
+ " default: -1 (not asynchronous)\n" \
+ " async_private_error=%%d Async callback error injection (default=0=none,\n" \
+ " 1=start, 2=cancel, 3=resume, negative=first time only)"
+#else
+#define USAGE_SSL_ASYNC ""
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#define USAGE_CID \
+ " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
+ " default: 0 (disabled)\n" \
+ " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
+ " default: same as 'cid' parameter\n" \
+ " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \
+ " default: \"\"\n" \
+ " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \
+ " default: same as 'cid_val' parameter\n"
+#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#define USAGE_CID ""
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#define USAGE_PSK_RAW \
+ " psk=%%s default: \"\" (disabled)\n" \
+ " The PSK values are in hex, without 0x.\n" \
+ " psk_list=%%s default: \"\"\n" \
+ " A list of (PSK identity, PSK value) pairs.\n" \
+ " The PSK values are in hex, without 0x.\n" \
+ " id1,psk1[,id2,psk2[,...]]\n" \
+ " psk_identity=%%s default: \"Client_identity\"\n"
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#define USAGE_PSK_SLOT \
+ " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \
+ " Enable this to store the PSK configured through command line\n" \
+ " parameter `psk` in a PSA-based key slot.\n" \
+ " Note: Currently only supported in conjunction with\n" \
+ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
+ " to force a particular PSK-only ciphersuite.\n" \
+ " Note: This is to test integration of PSA-based opaque PSKs with\n" \
+ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
+ " with prepopulated key slots instead of importing raw key material.\n" \
+ " psk_list_opaque=%%d default: 0 (don't use opaque dynamic PSKs)\n" \
+ " Enable this to store the list of dynamically chosen PSKs configured\n" \
+ " through the command line parameter `psk_list` in PSA-based key slots.\n" \
+ " Note: Currently only supported in conjunction with\n" \
+ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
+ " to force a particular PSK-only ciphersuite.\n" \
+ " Note: This is to test integration of PSA-based opaque PSKs with\n" \
+ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
+ " with prepopulated key slots instead of importing raw key material.\n"
+#else
+#define USAGE_PSK_SLOT ""
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
+#else
+#define USAGE_PSK ""
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+#define USAGE_CA_CALLBACK \
+ " ca_callback=%%d default: 0 (disabled)\n" \
+ " Enable this to use the trusted certificate callback function\n"
+#else
+#define USAGE_CA_CALLBACK ""
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+#define USAGE_TICKETS \
+ " tickets=%%d default: 1 (enabled)\n" \
+ " ticket_timeout=%%d default: 86400 (one day)\n"
+#else
+#define USAGE_TICKETS ""
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#define USAGE_EAP_TLS \
+ " eap_tls=%%d default: 0 (disabled)\n"
+#define USAGE_NSS_KEYLOG \
+ " nss_keylog=%%d default: 0 (disabled)\n" \
+ " This cannot be used with eap_tls=1\n"
+#define USAGE_NSS_KEYLOG_FILE \
+ " nss_keylog_file=%%s\n"
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+#define USAGE_SRTP \
+ " use_srtp=%%d default: 0 (disabled)\n" \
+ " srtp_force_profile=%%d default: 0 (all enabled)\n" \
+ " available profiles:\n" \
+ " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \
+ " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \
+ " 3 - SRTP_NULL_HMAC_SHA1_80\n" \
+ " 4 - SRTP_NULL_HMAC_SHA1_32\n" \
+ " support_mki=%%d default: 0 (not supported)\n"
+#else /* MBEDTLS_SSL_DTLS_SRTP */
+#define USAGE_SRTP ""
+#endif
+#else /* MBEDTLS_SSL_EXPORT_KEYS */
+#define USAGE_EAP_TLS ""
+#define USAGE_NSS_KEYLOG ""
+#define USAGE_NSS_KEYLOG_FILE ""
+#define USAGE_SRTP ""
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+#define USAGE_CACHE \
+ " cache_max=%%d default: cache default (50)\n" \
+ " cache_timeout=%%d default: cache default (1d)\n"
+#else
+#define USAGE_CACHE ""
+#endif /* MBEDTLS_SSL_CACHE_C */
+
+#if defined(SNI_OPTION)
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+#define SNI_CRL ",crl"
+#else
+#define SNI_CRL ""
+#endif
+
+#define USAGE_SNI \
+ " sni=%%s name1,cert1,key1,ca1"SNI_CRL",auth1[,...]\n" \
+ " default: disabled\n"
+#else
+#define USAGE_SNI ""
+#endif /* SNI_OPTION */
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+#define USAGE_MAX_FRAG_LEN \
+ " max_frag_len=%%d default: 16384 (tls default)\n" \
+ " options: 512, 1024, 2048, 4096\n"
+#else
+#define USAGE_MAX_FRAG_LEN ""
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+#define USAGE_TRUNC_HMAC \
+ " trunc_hmac=%%d default: library default\n"
+#else
+#define USAGE_TRUNC_HMAC ""
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+#define USAGE_ALPN \
+ " alpn=%%s default: \"\" (disabled)\n" \
+ " example: spdy/1,http/1.1\n"
+#else
+#define USAGE_ALPN ""
+#endif /* MBEDTLS_SSL_ALPN */
+
+#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+#define USAGE_COOKIES \
+ " cookies=0/1/-1 default: 1 (enabled)\n" \
+ " 0: disabled, -1: library default (broken)\n"
+#else
+#define USAGE_COOKIES ""
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
+#define USAGE_ANTI_REPLAY \
+ " anti_replay=0/1 default: (library default: enabled)\n"
+#else
+#define USAGE_ANTI_REPLAY ""
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
+#define USAGE_BADMAC_LIMIT \
+ " badmac_limit=%%d default: (library default: disabled)\n"
+#else
+#define USAGE_BADMAC_LIMIT ""
+#endif
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+#define USAGE_DTLS \
+ " dtls=%%d default: 0 (TLS)\n" \
+ " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \
+ " range of DTLS handshake timeouts in millisecs\n" \
+ " mtu=%%d default: (library default: unlimited)\n" \
+ " dgram_packing=%%d default: 1 (allowed)\n" \
+ " allow or forbid packing of multiple\n" \
+ " records within a single datgram.\n"
+#else
+#define USAGE_DTLS ""
+#endif
+
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+#define USAGE_EMS \
+ " extended_ms=0/1 default: (library default: on)\n"
+#else
+#define USAGE_EMS ""
+#endif
+
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#define USAGE_ETM \
+ " etm=0/1 default: (library default: on)\n"
+#else
+#define USAGE_ETM ""
+#endif
+
+#define USAGE_REPRODUCIBLE \
+ " reproducible=0/1 default: 0 (disabled)\n"
+
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+#define USAGE_RENEGO \
+ " renegotiation=%%d default: 0 (disabled)\n" \
+ " renegotiate=%%d default: 0 (disabled)\n" \
+ " renego_delay=%%d default: -2 (library default)\n" \
+ " renego_period=%%d default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\n"
+#else
+#define USAGE_RENEGO ""
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+#define USAGE_ECJPAKE \
+ " ecjpake_pw=%%s default: none (disabled)\n"
+#else
+#define USAGE_ECJPAKE ""
+#endif
+
+#if defined(MBEDTLS_ECP_C)
+#define USAGE_CURVES \
+ " curves=a,b,c,d default: \"default\" (library default)\n" \
+ " example: \"secp521r1,brainpoolP512r1\"\n" \
+ " - use \"none\" for empty list\n" \
+ " - see mbedtls_ecp_curve_list()\n" \
+ " for acceptable curve names\n"
+#else
+#define USAGE_CURVES ""
+#endif
+
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#define USAGE_SERIALIZATION \
+ " serialize=%%d default: 0 (do not serialize/deserialize)\n" \
+ " options: 1 (serialize)\n" \
+ " 2 (serialize with re-initialization)\n" \
+ " context_file=%%s The file path to write a serialized connection\n"\
+ " in the form of base64 code (serialize option\n" \
+ " must be set)\n" \
+ " default: \"\" (do nothing)\n" \
+ " option: a file path\n"
+#else
+#define USAGE_SERIALIZATION ""
+#endif
+
+/* USAGE is arbitrarily split to stay under the portable string literal
+ * length limit: 4095 bytes in C99. */
+#define USAGE1 \
+ "\n usage: ssl_server2 param=<>...\n" \
+ "\n acceptable parameters:\n" \
+ " server_addr=%%s default: (all interfaces)\n" \
+ " server_port=%%d default: 4433\n" \
+ " debug_level=%%d default: 0 (disabled)\n" \
+ " buffer_size=%%d default: 200 \n" \
+ " (minimum: 1, max: 16385)\n" \
+ " response_size=%%d default: about 152 (basic response)\n" \
+ " (minimum: 0, max: 16384)\n" \
+ " increases buffer_size if bigger\n"\
+ " nbio=%%d default: 0 (blocking I/O)\n" \
+ " options: 1 (non-blocking), 2 (added delays)\n" \
+ " event=%%d default: 0 (loop)\n" \
+ " options: 1 (level-triggered, implies nbio=1),\n" \
+ " read_timeout=%%d default: 0 ms (no timeout)\n" \
+ "\n" \
+ USAGE_DTLS \
+ USAGE_SRTP \
+ USAGE_COOKIES \
+ USAGE_ANTI_REPLAY \
+ USAGE_BADMAC_LIMIT \
+ "\n"
+#define USAGE2 \
+ " auth_mode=%%s default: (library default: none)\n" \
+ " options: none, optional, required\n" \
+ " cert_req_ca_list=%%d default: 1 (send ca list)\n" \
+ " options: 1 (send ca list), 0 (don't send)\n" \
+ USAGE_IO \
+ "\n" \
+ USAGE_PSK \
+ USAGE_CA_CALLBACK \
+ USAGE_ECJPAKE \
+ "\n"
+#define USAGE3 \
+ " allow_legacy=%%d default: (library default: no)\n" \
+ USAGE_RENEGO \
+ " exchanges=%%d default: 1\n" \
+ "\n" \
+ USAGE_TICKETS \
+ USAGE_EAP_TLS \
+ USAGE_REPRODUCIBLE \
+ USAGE_NSS_KEYLOG \
+ USAGE_NSS_KEYLOG_FILE \
+ USAGE_CACHE \
+ USAGE_MAX_FRAG_LEN \
+ USAGE_TRUNC_HMAC \
+ USAGE_ALPN \
+ USAGE_EMS \
+ USAGE_ETM \
+ USAGE_CURVES \
+ "\n"
+#define USAGE4 \
+ USAGE_SSL_ASYNC \
+ USAGE_SNI \
+ " arc4=%%d default: (library default: 0)\n" \
+ " allow_sha1=%%d default: 0\n" \
+ " min_version=%%s default: (library default: tls1)\n" \
+ " max_version=%%s default: (library default: tls1_2)\n" \
+ " force_version=%%s default: \"\" (none)\n" \
+ " options: ssl3, tls1, tls1_1, tls1_2, dtls1, dtls1_2\n" \
+ "\n" \
+ " version_suites=a,b,c,d per-version ciphersuites\n" \
+ " in order from ssl3 to tls1_2\n" \
+ " default: all enabled\n" \
+ " force_ciphersuite=<name> default: all enabled\n" \
+ " query_config=<name> return 0 if the specified\n" \
+ " configuration macro is defined and 1\n" \
+ " otherwise. The expansion of the macro\n" \
+ " is printed if it is defined\n" \
+ USAGE_SERIALIZATION \
+ " acceptable ciphersuite names:\n"
+
+#define ALPN_LIST_SIZE 10
+#define CURVE_LIST_SIZE 20
+
+#define PUT_UINT64_BE(out_be,in_le,i) \
+{ \
+ (out_be)[(i) + 0] = (unsigned char)( ( (in_le) >> 56 ) & 0xFF ); \
+ (out_be)[(i) + 1] = (unsigned char)( ( (in_le) >> 48 ) & 0xFF ); \
+ (out_be)[(i) + 2] = (unsigned char)( ( (in_le) >> 40 ) & 0xFF ); \
+ (out_be)[(i) + 3] = (unsigned char)( ( (in_le) >> 32 ) & 0xFF ); \
+ (out_be)[(i) + 4] = (unsigned char)( ( (in_le) >> 24 ) & 0xFF ); \
+ (out_be)[(i) + 5] = (unsigned char)( ( (in_le) >> 16 ) & 0xFF ); \
+ (out_be)[(i) + 6] = (unsigned char)( ( (in_le) >> 8 ) & 0xFF ); \
+ (out_be)[(i) + 7] = (unsigned char)( ( (in_le) >> 0 ) & 0xFF ); \
+}
+
+
+/*
+ * global options
+ */
+struct options
+{
+ const char *server_addr; /* address on which the ssl service runs */
+ const char *server_port; /* port on which the ssl service runs */
+ int debug_level; /* level of debugging */
+ int nbio; /* should I/O be blocking? */
+ int event; /* loop or event-driven IO? level or edge triggered? */
+ uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */
+ int response_size; /* pad response with header to requested size */
+ uint16_t buffer_size; /* IO buffer size */
+ const char *ca_file; /* the file with the CA certificate(s) */
+ const char *ca_path; /* the path with the CA certificate(s) reside */
+ const char *crt_file; /* the file with the server certificate */
+ const char *key_file; /* the file with the server key */
+ const char *key_pwd; /* the password for the server key */
+ const char *crt_file2; /* the file with the 2nd server certificate */
+ const char *key_file2; /* the file with the 2nd server key */
+ const char *key_pwd2; /* the password for the 2nd server key */
+ const char *async_operations; /* supported SSL asynchronous operations */
+ int async_private_delay1; /* number of times f_async_resume needs to be called for key 1, or -1 for no async */
+ int async_private_delay2; /* number of times f_async_resume needs to be called for key 2, or -1 for no async */
+ int async_private_error; /* inject error in async private callback */
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ int psk_opaque;
+ int psk_list_opaque;
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ int ca_callback; /* Use callback for trusted certificate list */
+#endif
+ const char *psk; /* the pre-shared key */
+ const char *psk_identity; /* the pre-shared key identity */
+ char *psk_list; /* list of PSK id/key pairs for callback */
+ const char *ecjpake_pw; /* the EC J-PAKE password */
+ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
+ const char *version_suites; /* per-version ciphersuites */
+ int renegotiation; /* enable / disable renegotiation */
+ int allow_legacy; /* allow legacy renegotiation */
+ int renegotiate; /* attempt renegotiation? */
+ int renego_delay; /* delay before enforcing renegotiation */
+ uint64_t renego_period; /* period for automatic renegotiation */
+ int exchanges; /* number of data exchanges */
+ int min_version; /* minimum protocol version accepted */
+ int max_version; /* maximum protocol version accepted */
+ int arc4; /* flag for arc4 suites support */
+ int allow_sha1; /* flag for SHA-1 support */
+ int auth_mode; /* verify mode for connection */
+ int cert_req_ca_list; /* should we send the CA list? */
+ unsigned char mfl_code; /* code for maximum fragment length */
+ int trunc_hmac; /* accept truncated hmac? */
+ int tickets; /* enable / disable session tickets */
+ int ticket_timeout; /* session ticket lifetime */
+ int cache_max; /* max number of session cache entries */
+ int cache_timeout; /* expiration delay of session cache entries */
+ char *sni; /* string describing sni information */
+ const char *curves; /* list of supported elliptic curves */
+ const char *alpn_string; /* ALPN supported protocols */
+ const char *dhm_file; /* the file with the DH parameters */
+ int extended_ms; /* allow negotiation of extended MS? */
+ int etm; /* allow negotiation of encrypt-then-MAC? */
+ int transport; /* TLS or DTLS? */
+ int cookies; /* Use cookies for DTLS? -1 to break them */
+ int anti_replay; /* Use anti-replay for DTLS? -1 for default */
+ uint32_t hs_to_min; /* Initial value of DTLS handshake timer */
+ uint32_t hs_to_max; /* Max value of DTLS handshake timer */
+ int dtls_mtu; /* UDP Maximum tranport unit for DTLS */
+ int dgram_packing; /* allow/forbid datagram packing */
+ int badmac_limit; /* Limit of records with bad MAC */
+ int eap_tls; /* derive EAP-TLS keying material? */
+ int nss_keylog; /* export NSS key log material */
+ const char *nss_keylog_file; /* NSS key log file */
+ int cid_enabled; /* whether to use the CID extension or not */
+ int cid_enabled_renego; /* whether to use the CID extension or not
+ * during renegotiation */
+ const char *cid_val; /* the CID to use for incoming messages */
+ int serialize; /* serialize/deserialize connection */
+ const char *context_file; /* the file to write a serialized connection
+ * in the form of base64 code (serialize
+ * option must be set) */
+ const char *cid_val_renego; /* the CID to use for incoming messages
+ * after renegotiation */
+ int reproducible; /* make communication reproducible */
+ int query_config_mode; /* whether to read config */
+ int use_srtp; /* Support SRTP */
+ int force_srtp_profile; /* SRTP protection profile to use or all */
+ int support_mki; /* The dtls mki mki support */
+} opt;
+
+#include "ssl_test_common_source.c"
+
+/*
+ * Return authmode from string, or -1 on error
+ */
+static int get_auth_mode( const char *s )
+{
+ if( strcmp( s, "none" ) == 0 )
+ return( MBEDTLS_SSL_VERIFY_NONE );
+ if( strcmp( s, "optional" ) == 0 )
+ return( MBEDTLS_SSL_VERIFY_OPTIONAL );
+ if( strcmp( s, "required" ) == 0 )
+ return( MBEDTLS_SSL_VERIFY_REQUIRED );
+
+ return( -1 );
+}
+
+/*
+ * Used by sni_parse and psk_parse to handle coma-separated lists
+ */
+#define GET_ITEM( dst ) \
+ do \
+ { \
+ (dst) = p; \
+ while( *p != ',' ) \
+ if( ++p > end ) \
+ goto error; \
+ *p++ = '\0'; \
+ } while( 0 )
+
+#if defined(SNI_OPTION)
+typedef struct _sni_entry sni_entry;
+
+struct _sni_entry {
+ const char *name;
+ mbedtls_x509_crt *cert;
+ mbedtls_pk_context *key;
+ mbedtls_x509_crt* ca;
+ mbedtls_x509_crl* crl;
+ int authmode;
+ sni_entry *next;
+};
+
+void sni_free( sni_entry *head )
+{
+ sni_entry *cur = head, *next;
+
+ while( cur != NULL )
+ {
+ mbedtls_x509_crt_free( cur->cert );
+ mbedtls_free( cur->cert );
+
+ mbedtls_pk_free( cur->key );
+ mbedtls_free( cur->key );
+
+ mbedtls_x509_crt_free( cur->ca );
+ mbedtls_free( cur->ca );
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ mbedtls_x509_crl_free( cur->crl );
+ mbedtls_free( cur->crl );
+#endif
+ next = cur->next;
+ mbedtls_free( cur );
+ cur = next;
+ }
+}
+
+/*
+ * Parse a string of sextuples name1,crt1,key1,ca1,crl1,auth1[,...]
+ * into a usable sni_entry list. For ca1, crl1, auth1, the special value
+ * '-' means unset. If ca1 is unset, then crl1 is ignored too.
+ *
+ * Modifies the input string! This is not production quality!
+ */
+sni_entry *sni_parse( char *sni_string )
+{
+ sni_entry *cur = NULL, *new = NULL;
+ char *p = sni_string;
+ char *end = p;
+ char *crt_file, *key_file, *ca_file, *auth_str;
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ char *crl_file;
+#endif
+
+ while( *end != '\0' )
+ ++end;
+ *end = ',';
+
+ while( p <= end )
+ {
+ if( ( new = mbedtls_calloc( 1, sizeof( sni_entry ) ) ) == NULL )
+ {
+ sni_free( cur );
+ return( NULL );
+ }
+
+ GET_ITEM( new->name );
+ GET_ITEM( crt_file );
+ GET_ITEM( key_file );
+ GET_ITEM( ca_file );
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ GET_ITEM( crl_file );
+#endif
+ GET_ITEM( auth_str );
+
+ if( ( new->cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL ||
+ ( new->key = mbedtls_calloc( 1, sizeof( mbedtls_pk_context ) ) ) == NULL )
+ goto error;
+
+ mbedtls_x509_crt_init( new->cert );
+ mbedtls_pk_init( new->key );
+
+ if( mbedtls_x509_crt_parse_file( new->cert, crt_file ) != 0 ||
+ mbedtls_pk_parse_keyfile( new->key, key_file, "" ) != 0 )
+ goto error;
+
+ if( strcmp( ca_file, "-" ) != 0 )
+ {
+ if( ( new->ca = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL )
+ goto error;
+
+ mbedtls_x509_crt_init( new->ca );
+
+ if( mbedtls_x509_crt_parse_file( new->ca, ca_file ) != 0 )
+ goto error;
+ }
+
+#if defined(MBEDTLS_X509_CRL_PARSE_C)
+ if( strcmp( crl_file, "-" ) != 0 )
+ {
+ if( ( new->crl = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ) ) == NULL )
+ goto error;
+
+ mbedtls_x509_crl_init( new->crl );
+
+ if( mbedtls_x509_crl_parse_file( new->crl, crl_file ) != 0 )
+ goto error;
+ }
+#endif
+
+ if( strcmp( auth_str, "-" ) != 0 )
+ {
+ if( ( new->authmode = get_auth_mode( auth_str ) ) < 0 )
+ goto error;
+ }
+ else
+ new->authmode = DFL_AUTH_MODE;
+
+ new->next = cur;
+ cur = new;
+ }
+
+ return( cur );
+
+error:
+ sni_free( new );
+ sni_free( cur );
+ return( NULL );
+}
+
+/*
+ * SNI callback.
+ */
+int sni_callback( void *p_info, mbedtls_ssl_context *ssl,
+ const unsigned char *name, size_t name_len )
+{
+ const sni_entry *cur = (const sni_entry *) p_info;
+
+ while( cur != NULL )
+ {
+ if( name_len == strlen( cur->name ) &&
+ memcmp( name, cur->name, name_len ) == 0 )
+ {
+ if( cur->ca != NULL )
+ mbedtls_ssl_set_hs_ca_chain( ssl, cur->ca, cur->crl );
+
+ if( cur->authmode != DFL_AUTH_MODE )
+ mbedtls_ssl_set_hs_authmode( ssl, cur->authmode );
+
+ return( mbedtls_ssl_set_hs_own_cert( ssl, cur->cert, cur->key ) );
+ }
+
+ cur = cur->next;
+ }
+
+ return( -1 );
+}
+
+#endif /* SNI_OPTION */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+
+typedef struct _psk_entry psk_entry;
+
+struct _psk_entry
+{
+ const char *name;
+ size_t key_len;
+ unsigned char key[MBEDTLS_PSK_MAX_LEN];
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_key_id_t slot;
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ psk_entry *next;
+};
+
+/*
+ * Free a list of psk_entry's
+ */
+int psk_free( psk_entry *head )
+{
+ psk_entry *next;
+
+ while( head != NULL )
+ {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status;
+ psa_key_id_t const slot = head->slot;
+
+ if( slot != 0 )
+ {
+ status = psa_destroy_key( slot );
+ if( status != PSA_SUCCESS )
+ return( status );
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ next = head->next;
+ mbedtls_free( head );
+ head = next;
+ }
+
+ return( 0 );
+}
+
+/*
+ * Parse a string of pairs name1,key1[,name2,key2[,...]]
+ * into a usable psk_entry list.
+ *
+ * Modifies the input string! This is not production quality!
+ */
+psk_entry *psk_parse( char *psk_string )
+{
+ psk_entry *cur = NULL, *new = NULL;
+ char *p = psk_string;
+ char *end = p;
+ char *key_hex;
+
+ while( *end != '\0' )
+ ++end;
+ *end = ',';
+
+ while( p <= end )
+ {
+ if( ( new = mbedtls_calloc( 1, sizeof( psk_entry ) ) ) == NULL )
+ goto error;
+
+ memset( new, 0, sizeof( psk_entry ) );
+
+ GET_ITEM( new->name );
+ GET_ITEM( key_hex );
+
+ if( mbedtls_test_unhexify( new->key, MBEDTLS_PSK_MAX_LEN,
+ key_hex, &new->key_len ) != 0 )
+ goto error;
+
+ new->next = cur;
+ cur = new;
+ }
+
+ return( cur );
+
+error:
+ psk_free( new );
+ psk_free( cur );
+ return( 0 );
+}
+
+/*
+ * PSK callback
+ */
+int psk_callback( void *p_info, mbedtls_ssl_context *ssl,
+ const unsigned char *name, size_t name_len )
+{
+ psk_entry *cur = (psk_entry *) p_info;
+
+ while( cur != NULL )
+ {
+ if( name_len == strlen( cur->name ) &&
+ memcmp( name, cur->name, name_len ) == 0 )
+ {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( cur->slot != 0 )
+ return( mbedtls_ssl_set_hs_psk_opaque( ssl, cur->slot ) );
+ else
+#endif
+ return( mbedtls_ssl_set_hs_psk( ssl, cur->key, cur->key_len ) );
+ }
+
+ cur = cur->next;
+ }
+
+ return( -1 );
+}
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+
+static mbedtls_net_context listen_fd, client_fd;
+
+/* Interruption handler to ensure clean exit (for valgrind testing) */
+#if !defined(_WIN32)
+static int received_sigterm = 0;
+void term_handler( int sig )
+{
+ ((void) sig);
+ received_sigterm = 1;
+ mbedtls_net_free( &listen_fd ); /* causes mbedtls_net_accept() to abort */
+ mbedtls_net_free( &client_fd ); /* causes net_read() to abort */
+}
+#endif
+
+/** Return true if \p ret is a status code indicating that there is an
+ * operation in progress on an SSL connection, and false if it indicates
+ * success or a fatal error.
+ *
+ * The possible operations in progress are:
+ *
+ * - A read, when the SSL input buffer does not contain a full message.
+ * - A write, when the SSL output buffer contains some data that has not
+ * been sent over the network yet.
+ * - An asynchronous callback that has not completed yet. */
+static int mbedtls_status_is_ssl_in_progress( int ret )
+{
+ return( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+ ret == MBEDTLS_ERR_SSL_WANT_WRITE ||
+ ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+}
+
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+typedef struct
+{
+ mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */
+ mbedtls_pk_context *pk; /*!< Private key */
+ unsigned delay; /*!< Number of resume steps to go through */
+ unsigned pk_owned : 1; /*!< Whether to free the pk object on exit */
+} ssl_async_key_slot_t;
+
+typedef enum {
+ SSL_ASYNC_INJECT_ERROR_NONE = 0, /*!< Let the callbacks succeed */
+ SSL_ASYNC_INJECT_ERROR_START, /*!< Inject error during start */
+ SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start */
+ SSL_ASYNC_INJECT_ERROR_RESUME, /*!< Inject error during resume */
+#define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME
+} ssl_async_inject_error_t;
+
+typedef struct
+{
+ ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */
+ size_t slots_used;
+ ssl_async_inject_error_t inject_error;
+ int (*f_rng)(void *, unsigned char *, size_t);
+ void *p_rng;
+} ssl_async_key_context_t;
+
+int ssl_async_set_key( ssl_async_key_context_t *ctx,
+ mbedtls_x509_crt *cert,
+ mbedtls_pk_context *pk,
+ int pk_take_ownership,
+ unsigned delay )
+{
+ if( ctx->slots_used >= sizeof( ctx->slots ) / sizeof( *ctx->slots ) )
+ return( -1 );
+ ctx->slots[ctx->slots_used].cert = cert;
+ ctx->slots[ctx->slots_used].pk = pk;
+ ctx->slots[ctx->slots_used].delay = delay;
+ ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership;
+ ++ctx->slots_used;
+ return( 0 );
+}
+
+#define SSL_ASYNC_INPUT_MAX_SIZE 512
+
+typedef enum
+{
+ ASYNC_OP_SIGN,
+ ASYNC_OP_DECRYPT,
+} ssl_async_operation_type_t;
+/* Note that the enum above and the array below need to be kept in sync!
+ * `ssl_async_operation_names[op]` is the name of op for each value `op`
+ * of type `ssl_async_operation_type_t`. */
+static const char *const ssl_async_operation_names[] =
+{
+ "sign",
+ "decrypt",
+};
+
+typedef struct
+{
+ unsigned slot;
+ ssl_async_operation_type_t operation_type;
+ mbedtls_md_type_t md_alg;
+ unsigned char input[SSL_ASYNC_INPUT_MAX_SIZE];
+ size_t input_len;
+ unsigned remaining_delay;
+} ssl_async_operation_context_t;
+
+static int ssl_async_start( mbedtls_ssl_context *ssl,
+ mbedtls_x509_crt *cert,
+ ssl_async_operation_type_t op_type,
+ mbedtls_md_type_t md_alg,
+ const unsigned char *input,
+ size_t input_len )
+{
+ ssl_async_key_context_t *config_data =
+ mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+ unsigned slot;
+ ssl_async_operation_context_t *ctx = NULL;
+ const char *op_name = ssl_async_operation_names[op_type];
+
+ {
+ char dn[100];
+ if( mbedtls_x509_dn_gets( dn, sizeof( dn ), &cert->subject ) > 0 )
+ mbedtls_printf( "Async %s callback: looking for DN=%s\n",
+ op_name, dn );
+ }
+
+ /* Look for a private key that matches the public key in cert.
+ * Since this test code has the private key inside Mbed TLS,
+ * we call mbedtls_pk_check_pair to match a private key with the
+ * public key. */
+ for( slot = 0; slot < config_data->slots_used; slot++ )
+ {
+ if( mbedtls_pk_check_pair( &cert->pk,
+ config_data->slots[slot].pk ) == 0 )
+ break;
+ }
+ if( slot == config_data->slots_used )
+ {
+ mbedtls_printf( "Async %s callback: no key matches this certificate.\n",
+ op_name );
+ return( MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH );
+ }
+ mbedtls_printf( "Async %s callback: using key slot %u, delay=%u.\n",
+ op_name, slot, config_data->slots[slot].delay );
+
+ if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START )
+ {
+ mbedtls_printf( "Async %s callback: injected error\n", op_name );
+ return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+ }
+
+ if( input_len > SSL_ASYNC_INPUT_MAX_SIZE )
+ return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
+
+ ctx = mbedtls_calloc( 1, sizeof( *ctx ) );
+ if( ctx == NULL )
+ return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+ ctx->slot = slot;
+ ctx->operation_type = op_type;
+ ctx->md_alg = md_alg;
+ memcpy( ctx->input, input, input_len );
+ ctx->input_len = input_len;
+ ctx->remaining_delay = config_data->slots[slot].delay;
+ mbedtls_ssl_set_async_operation_data( ssl, ctx );
+
+ if( ctx->remaining_delay == 0 )
+ return( 0 );
+ else
+ return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+}
+
+static int ssl_async_sign( mbedtls_ssl_context *ssl,
+ mbedtls_x509_crt *cert,
+ mbedtls_md_type_t md_alg,
+ const unsigned char *hash,
+ size_t hash_len )
+{
+ return( ssl_async_start( ssl, cert,
+ ASYNC_OP_SIGN, md_alg,
+ hash, hash_len ) );
+}
+
+static int ssl_async_decrypt( mbedtls_ssl_context *ssl,
+ mbedtls_x509_crt *cert,
+ const unsigned char *input,
+ size_t input_len )
+{
+ return( ssl_async_start( ssl, cert,
+ ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE,
+ input, input_len ) );
+}
+
+static int ssl_async_resume( mbedtls_ssl_context *ssl,
+ unsigned char *output,
+ size_t *output_len,
+ size_t output_size )
+{
+ ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
+ ssl_async_key_context_t *config_data =
+ mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+ ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot];
+ int ret;
+ const char *op_name;
+
+ if( ctx->remaining_delay > 0 )
+ {
+ --ctx->remaining_delay;
+ mbedtls_printf( "Async resume (slot %u): call %u more times.\n",
+ ctx->slot, ctx->remaining_delay );
+ return( MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+ }
+
+ switch( ctx->operation_type )
+ {
+ case ASYNC_OP_DECRYPT:
+ ret = mbedtls_pk_decrypt( key_slot->pk,
+ ctx->input, ctx->input_len,
+ output, output_len, output_size,
+ config_data->f_rng, config_data->p_rng );
+ break;
+ case ASYNC_OP_SIGN:
+ ret = mbedtls_pk_sign( key_slot->pk,
+ ctx->md_alg,
+ ctx->input, ctx->input_len,
+ output, output_len,
+ config_data->f_rng, config_data->p_rng );
+ break;
+ default:
+ mbedtls_printf( "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
+ ctx->slot, (long) ctx->operation_type );
+ mbedtls_free( ctx );
+ return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+ break;
+ }
+
+ op_name = ssl_async_operation_names[ctx->operation_type];
+
+ if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME )
+ {
+ mbedtls_printf( "Async resume callback: %s done but injected error\n",
+ op_name );
+ mbedtls_free( ctx );
+ return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
+ }
+
+ mbedtls_printf( "Async resume (slot %u): %s done, status=%d.\n",
+ ctx->slot, op_name, ret );
+ mbedtls_free( ctx );
+ return( ret );
+}
+
+static void ssl_async_cancel( mbedtls_ssl_context *ssl )
+{
+ ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
+ mbedtls_printf( "Async cancel callback.\n" );
+ mbedtls_free( ctx );
+}
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+static psa_status_t psa_setup_psk_key_slot( psa_key_id_t *slot,
+ psa_algorithm_t alg,
+ unsigned char *psk,
+ size_t psk_len )
+{
+ psa_status_t status;
+ psa_key_attributes_t key_attributes;
+
+ key_attributes = psa_key_attributes_init();
+ psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
+ psa_set_key_algorithm( &key_attributes, alg );
+ psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+
+ status = psa_import_key( &key_attributes, psk, psk_len, slot );
+ if( status != PSA_SUCCESS )
+ {
+ fprintf( stderr, "IMPORT\n" );
+ return( status );
+ }
+
+ return( PSA_SUCCESS );
+}
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+int report_cid_usage( mbedtls_ssl_context *ssl,
+ const char *additional_description )
+{
+ int ret;
+ unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+ size_t peer_cid_len;
+ int cid_negotiated;
+
+ if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ return( 0 );
+
+ /* Check if the use of a CID has been negotiated */
+ ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
+ peer_cid, &peer_cid_len );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+ (unsigned int) -ret );
+ return( ret );
+ }
+
+ if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
+ {
+ if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
+ {
+ mbedtls_printf( "(%s) Use of Connection ID was not offered by client.\n",
+ additional_description );
+ }
+ }
+ else
+ {
+ size_t idx=0;
+ mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
+ additional_description );
+ mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
+ additional_description,
+ (unsigned) peer_cid_len );
+ while( idx < peer_cid_len )
+ {
+ mbedtls_printf( "%02x ", peer_cid[ idx ] );
+ idx++;
+ }
+ mbedtls_printf( "\n" );
+ }
+
+ return( 0 );
+}
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+int main( int argc, char *argv[] )
+{
+ int ret = 0, len, written, frags, exchanges_left;
+ int query_config_ret = 0;
+ int version_suites[4][2];
+ io_ctx_t io_ctx;
+ unsigned char* buf = 0;
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_algorithm_t alg = 0;
+ psa_key_id_t psk_slot = 0;
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ unsigned char psk[MBEDTLS_PSK_MAX_LEN];
+ size_t psk_len = 0;
+ psk_entry *psk_info = NULL;
+#endif
+ const char *pers = "ssl_server2";
+ unsigned char client_ip[16] = { 0 };
+ size_t cliip_len;
+#if defined(MBEDTLS_SSL_COOKIE_C)
+ mbedtls_ssl_cookie_ctx cookie_ctx;
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
+#endif
+ rng_context_t rng;
+ mbedtls_ssl_context ssl;
+ mbedtls_ssl_config conf;
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_timing_delay_context timer;
+#endif
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ unsigned char renego_period[8] = { 0 };
+#endif
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ uint32_t flags;
+ mbedtls_x509_crt cacert;
+ mbedtls_x509_crt srvcert;
+ mbedtls_pk_context pkey;
+ mbedtls_x509_crt srvcert2;
+ mbedtls_pk_context pkey2;
+ int key_cert_init = 0, key_cert_init2 = 0;
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ ssl_async_key_context_t ssl_async_keys;
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+ mbedtls_dhm_context dhm;
+#endif
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_context cache;
+#endif
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+ mbedtls_ssl_ticket_context ticket_ctx;
+#endif
+#if defined(SNI_OPTION)
+ sni_entry *sni_info = NULL;
+#endif
+#if defined(MBEDTLS_ECP_C)
+ mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE];
+ const mbedtls_ecp_curve_info * curve_cur;
+#endif
+#if defined(MBEDTLS_SSL_ALPN)
+ const char *alpn_list[ALPN_LIST_SIZE];
+#endif
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ unsigned char alloc_buf[MEMORY_HEAP_SIZE];
+#endif
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
+ unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
+ size_t cid_len = 0;
+ size_t cid_renego_len = 0;
+#endif
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ unsigned char *context_buf = NULL;
+ size_t context_buf_len = 0;
+#endif
+
+ int i;
+ char *p, *q;
+ const int *list;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ psa_status_t status;
+#endif
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ unsigned char eap_tls_keymaterial[16];
+ unsigned char eap_tls_iv[8];
+ const char* eap_tls_label = "client EAP encryption";
+ eap_tls_keys eap_tls_keying;
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ /*! master keys and master salt for SRTP generated during handshake */
+ unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
+ const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+ dtls_srtp_keys dtls_srtp_keying;
+ const mbedtls_ssl_srtp_profile default_profiles[] = {
+ MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
+ MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
+ MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
+ MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
+ MBEDTLS_TLS_SRTP_UNSET
+ };
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+ mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
+#if defined(MBEDTLS_MEMORY_DEBUG)
+ size_t current_heap_memory, peak_heap_memory, heap_blocks;
+#endif /* MBEDTLS_MEMORY_DEBUG */
+#endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+
+#if defined(MBEDTLS_TEST_HOOKS)
+ test_hooks_init( );
+#endif /* MBEDTLS_TEST_HOOKS */
+
+ /*
+ * Make sure memory references are valid in case we exit early.
+ */
+ mbedtls_net_init( &client_fd );
+ mbedtls_net_init( &listen_fd );
+ mbedtls_ssl_init( &ssl );
+ mbedtls_ssl_config_init( &conf );
+ rng_init( &rng );
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_init( &cacert );
+ mbedtls_x509_crt_init( &srvcert );
+ mbedtls_pk_init( &pkey );
+ mbedtls_x509_crt_init( &srvcert2 );
+ mbedtls_pk_init( &pkey2 );
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ memset( &ssl_async_keys, 0, sizeof( ssl_async_keys ) );
+#endif
+#endif
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+ mbedtls_dhm_init( &dhm );
+#endif
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_init( &cache );
+#endif
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+ mbedtls_ssl_ticket_init( &ticket_ctx );
+#endif
+#if defined(MBEDTLS_SSL_ALPN)
+ memset( (void *) alpn_list, 0, sizeof( alpn_list ) );
+#endif
+#if defined(MBEDTLS_SSL_COOKIE_C)
+ mbedtls_ssl_cookie_init( &cookie_ctx );
+#endif
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ status = psa_crypto_init();
+ if( status != PSA_SUCCESS )
+ {
+ mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
+ (int) status );
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ goto exit;
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+ mbedtls_test_enable_insecure_external_rng( );
+#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+
+#if !defined(_WIN32)
+ /* Abort cleanly on SIGTERM and SIGINT */
+ signal( SIGTERM, term_handler );
+ signal( SIGINT, term_handler );
+#endif
+
+ if( argc == 0 )
+ {
+ usage:
+ if( ret == 0 )
+ ret = 1;
+
+ mbedtls_printf( USAGE1 );
+ mbedtls_printf( USAGE2 );
+ mbedtls_printf( USAGE3 );
+ mbedtls_printf( USAGE4 );
+
+ list = mbedtls_ssl_list_ciphersuites();
+ while( *list )
+ {
+ mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+ list++;
+ if( !*list )
+ break;
+ mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+ list++;
+ }
+ mbedtls_printf("\n");
+ goto exit;
+ }
+
+ opt.buffer_size = DFL_IO_BUF_LEN;
+ opt.server_addr = DFL_SERVER_ADDR;
+ opt.server_port = DFL_SERVER_PORT;
+ opt.debug_level = DFL_DEBUG_LEVEL;
+ opt.event = DFL_EVENT;
+ opt.response_size = DFL_RESPONSE_SIZE;
+ opt.nbio = DFL_NBIO;
+ opt.cid_enabled = DFL_CID_ENABLED;
+ opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
+ opt.cid_val = DFL_CID_VALUE;
+ opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
+ opt.read_timeout = DFL_READ_TIMEOUT;
+ opt.ca_file = DFL_CA_FILE;
+ opt.ca_path = DFL_CA_PATH;
+ opt.crt_file = DFL_CRT_FILE;
+ opt.key_file = DFL_KEY_FILE;
+ opt.key_pwd = DFL_KEY_PWD;
+ opt.crt_file2 = DFL_CRT_FILE2;
+ opt.key_file2 = DFL_KEY_FILE2;
+ opt.key_pwd2 = DFL_KEY_PWD2;
+ opt.async_operations = DFL_ASYNC_OPERATIONS;
+ opt.async_private_delay1 = DFL_ASYNC_PRIVATE_DELAY1;
+ opt.async_private_delay2 = DFL_ASYNC_PRIVATE_DELAY2;
+ opt.async_private_error = DFL_ASYNC_PRIVATE_ERROR;
+ opt.psk = DFL_PSK;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ opt.psk_opaque = DFL_PSK_OPAQUE;
+ opt.psk_list_opaque = DFL_PSK_LIST_OPAQUE;
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ opt.ca_callback = DFL_CA_CALLBACK;
+#endif
+ opt.psk_identity = DFL_PSK_IDENTITY;
+ opt.psk_list = DFL_PSK_LIST;
+ opt.ecjpake_pw = DFL_ECJPAKE_PW;
+ opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+ opt.version_suites = DFL_VERSION_SUITES;
+ opt.renegotiation = DFL_RENEGOTIATION;
+ opt.allow_legacy = DFL_ALLOW_LEGACY;
+ opt.renegotiate = DFL_RENEGOTIATE;
+ opt.renego_delay = DFL_RENEGO_DELAY;
+ opt.renego_period = DFL_RENEGO_PERIOD;
+ opt.exchanges = DFL_EXCHANGES;
+ opt.min_version = DFL_MIN_VERSION;
+ opt.max_version = DFL_MAX_VERSION;
+ opt.arc4 = DFL_ARC4;
+ opt.allow_sha1 = DFL_SHA1;
+ opt.auth_mode = DFL_AUTH_MODE;
+ opt.cert_req_ca_list = DFL_CERT_REQ_CA_LIST;
+ opt.mfl_code = DFL_MFL_CODE;
+ opt.trunc_hmac = DFL_TRUNC_HMAC;
+ opt.tickets = DFL_TICKETS;
+ opt.ticket_timeout = DFL_TICKET_TIMEOUT;
+ opt.cache_max = DFL_CACHE_MAX;
+ opt.cache_timeout = DFL_CACHE_TIMEOUT;
+ opt.sni = DFL_SNI;
+ opt.alpn_string = DFL_ALPN_STRING;
+ opt.curves = DFL_CURVES;
+ opt.dhm_file = DFL_DHM_FILE;
+ opt.transport = DFL_TRANSPORT;
+ opt.cookies = DFL_COOKIES;
+ opt.anti_replay = DFL_ANTI_REPLAY;
+ opt.hs_to_min = DFL_HS_TO_MIN;
+ opt.hs_to_max = DFL_HS_TO_MAX;
+ opt.dtls_mtu = DFL_DTLS_MTU;
+ opt.dgram_packing = DFL_DGRAM_PACKING;
+ opt.badmac_limit = DFL_BADMAC_LIMIT;
+ opt.extended_ms = DFL_EXTENDED_MS;
+ opt.etm = DFL_ETM;
+ opt.serialize = DFL_SERIALIZE;
+ opt.context_file = DFL_CONTEXT_FILE;
+ opt.eap_tls = DFL_EAP_TLS;
+ opt.reproducible = DFL_REPRODUCIBLE;
+ opt.nss_keylog = DFL_NSS_KEYLOG;
+ opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE;
+ opt.query_config_mode = DFL_QUERY_CONFIG_MODE;
+ opt.use_srtp = DFL_USE_SRTP;
+ opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE;
+ opt.support_mki = DFL_SRTP_SUPPORT_MKI;
+
+ for( i = 1; i < argc; i++ )
+ {
+ p = argv[i];
+ if( ( q = strchr( p, '=' ) ) == NULL )
+ goto usage;
+ *q++ = '\0';
+
+ if( strcmp( p, "server_port" ) == 0 )
+ opt.server_port = q;
+ else if( strcmp( p, "server_addr" ) == 0 )
+ opt.server_addr = q;
+ else if( strcmp( p, "dtls" ) == 0 )
+ {
+ int t = atoi( q );
+ if( t == 0 )
+ opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
+ else if( t == 1 )
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "debug_level" ) == 0 )
+ {
+ opt.debug_level = atoi( q );
+ if( opt.debug_level < 0 || opt.debug_level > 65535 )
+ goto usage;
+ }
+ else if( strcmp( p, "nbio" ) == 0 )
+ {
+ opt.nbio = atoi( q );
+ if( opt.nbio < 0 || opt.nbio > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "event" ) == 0 )
+ {
+ opt.event = atoi( q );
+ if( opt.event < 0 || opt.event > 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "read_timeout" ) == 0 )
+ opt.read_timeout = atoi( q );
+ else if( strcmp( p, "buffer_size" ) == 0 )
+ {
+ opt.buffer_size = atoi( q );
+ if( opt.buffer_size < 1 || opt.buffer_size > MBEDTLS_SSL_MAX_CONTENT_LEN + 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "response_size" ) == 0 )
+ {
+ opt.response_size = atoi( q );
+ if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_MAX_CONTENT_LEN )
+ goto usage;
+ if( opt.buffer_size < opt.response_size )
+ opt.buffer_size = opt.response_size;
+ }
+ else if( strcmp( p, "ca_file" ) == 0 )
+ opt.ca_file = q;
+ else if( strcmp( p, "ca_path" ) == 0 )
+ opt.ca_path = q;
+ else if( strcmp( p, "crt_file" ) == 0 )
+ opt.crt_file = q;
+ else if( strcmp( p, "key_file" ) == 0 )
+ opt.key_file = q;
+ else if( strcmp( p, "key_pwd" ) == 0 )
+ opt.key_pwd = q;
+ else if( strcmp( p, "crt_file2" ) == 0 )
+ opt.crt_file2 = q;
+ else if( strcmp( p, "key_file2" ) == 0 )
+ opt.key_file2 = q;
+ else if( strcmp( p, "key_pwd2" ) == 0 )
+ opt.key_pwd2 = q;
+ else if( strcmp( p, "dhm_file" ) == 0 )
+ opt.dhm_file = q;
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ else if( strcmp( p, "async_operations" ) == 0 )
+ opt.async_operations = q;
+ else if( strcmp( p, "async_private_delay1" ) == 0 )
+ opt.async_private_delay1 = atoi( q );
+ else if( strcmp( p, "async_private_delay2" ) == 0 )
+ opt.async_private_delay2 = atoi( q );
+ else if( strcmp( p, "async_private_error" ) == 0 )
+ {
+ int n = atoi( q );
+ if( n < -SSL_ASYNC_INJECT_ERROR_MAX ||
+ n > SSL_ASYNC_INJECT_ERROR_MAX )
+ {
+ ret = 2;
+ goto usage;
+ }
+ opt.async_private_error = n;
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ else if( strcmp( p, "cid" ) == 0 )
+ {
+ opt.cid_enabled = atoi( q );
+ if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "cid_renego" ) == 0 )
+ {
+ opt.cid_enabled_renego = atoi( q );
+ if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "cid_val" ) == 0 )
+ {
+ opt.cid_val = q;
+ }
+ else if( strcmp( p, "cid_val_renego" ) == 0 )
+ {
+ opt.cid_val_renego = q;
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+ else if( strcmp( p, "psk" ) == 0 )
+ opt.psk = q;
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ else if( strcmp( p, "psk_opaque" ) == 0 )
+ opt.psk_opaque = atoi( q );
+ else if( strcmp( p, "psk_list_opaque" ) == 0 )
+ opt.psk_list_opaque = atoi( q );
+#endif
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ else if( strcmp( p, "ca_callback" ) == 0)
+ opt.ca_callback = atoi( q );
+#endif
+ else if( strcmp( p, "psk_identity" ) == 0 )
+ opt.psk_identity = q;
+ else if( strcmp( p, "psk_list" ) == 0 )
+ opt.psk_list = q;
+ else if( strcmp( p, "ecjpake_pw" ) == 0 )
+ opt.ecjpake_pw = q;
+ else if( strcmp( p, "force_ciphersuite" ) == 0 )
+ {
+ opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+
+ if( opt.force_ciphersuite[0] == 0 )
+ {
+ ret = 2;
+ goto usage;
+ }
+ opt.force_ciphersuite[1] = 0;
+ }
+ else if( strcmp( p, "curves" ) == 0 )
+ opt.curves = q;
+ else if( strcmp( p, "version_suites" ) == 0 )
+ opt.version_suites = q;
+ else if( strcmp( p, "renegotiation" ) == 0 )
+ {
+ opt.renegotiation = (atoi( q )) ?
+ MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+ MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+ }
+ else if( strcmp( p, "allow_legacy" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case -1:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
+ break;
+ case 0:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION;
+ break;
+ case 1:
+ opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION;
+ break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "renegotiate" ) == 0 )
+ {
+ opt.renegotiate = atoi( q );
+ if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "renego_delay" ) == 0 )
+ {
+ opt.renego_delay = atoi( q );
+ }
+ else if( strcmp( p, "renego_period" ) == 0 )
+ {
+#if defined(_MSC_VER)
+ opt.renego_period = _strtoui64( q, NULL, 10 );
+#else
+ if( sscanf( q, "%" SCNu64, &opt.renego_period ) != 1 )
+ goto usage;
+#endif /* _MSC_VER */
+ if( opt.renego_period < 2 )
+ goto usage;
+ }
+ else if( strcmp( p, "exchanges" ) == 0 )
+ {
+ opt.exchanges = atoi( q );
+ if( opt.exchanges < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "min_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ else if( strcmp( q, "tls1" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ else if( strcmp( q, "tls1_1" ) == 0 ||
+ strcmp( q, "dtls1" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ else if( strcmp( q, "tls1_2" ) == 0 ||
+ strcmp( q, "dtls1_2" ) == 0 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "max_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ else if( strcmp( q, "tls1" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ else if( strcmp( q, "tls1_1" ) == 0 ||
+ strcmp( q, "dtls1" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ else if( strcmp( q, "tls1_2" ) == 0 ||
+ strcmp( q, "dtls1_2" ) == 0 )
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "arc4" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED; break;
+ case 1: opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "allow_sha1" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.allow_sha1 = 0; break;
+ case 1: opt.allow_sha1 = 1; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "force_version" ) == 0 )
+ {
+ if( strcmp( q, "ssl3" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0;
+ }
+ else if( strcmp( q, "tls1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1;
+ }
+ else if( strcmp( q, "tls1_1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ }
+ else if( strcmp( q, "tls1_2" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ }
+ else if( strcmp( q, "dtls1" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ }
+ else if( strcmp( q, "dtls1_2" ) == 0 )
+ {
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
+ opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
+ }
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "auth_mode" ) == 0 )
+ {
+ if( ( opt.auth_mode = get_auth_mode( q ) ) < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "cert_req_ca_list" ) == 0 )
+ {
+ opt.cert_req_ca_list = atoi( q );
+ if( opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "max_frag_len" ) == 0 )
+ {
+ if( strcmp( q, "512" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
+ else if( strcmp( q, "1024" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
+ else if( strcmp( q, "2048" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
+ else if( strcmp( q, "4096" ) == 0 )
+ opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
+ else
+ goto usage;
+ }
+ else if( strcmp( p, "alpn" ) == 0 )
+ {
+ opt.alpn_string = q;
+ }
+ else if( strcmp( p, "trunc_hmac" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
+ case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "extended_ms" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0:
+ opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
+ break;
+ case 1:
+ opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
+ break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "etm" ) == 0 )
+ {
+ switch( atoi( q ) )
+ {
+ case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
+ case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
+ default: goto usage;
+ }
+ }
+ else if( strcmp( p, "tickets" ) == 0 )
+ {
+ opt.tickets = atoi( q );
+ if( opt.tickets < 0 || opt.tickets > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "ticket_timeout" ) == 0 )
+ {
+ opt.ticket_timeout = atoi( q );
+ if( opt.ticket_timeout < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "cache_max" ) == 0 )
+ {
+ opt.cache_max = atoi( q );
+ if( opt.cache_max < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "cache_timeout" ) == 0 )
+ {
+ opt.cache_timeout = atoi( q );
+ if( opt.cache_timeout < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "cookies" ) == 0 )
+ {
+ opt.cookies = atoi( q );
+ if( opt.cookies < -1 || opt.cookies > 1)
+ goto usage;
+ }
+ else if( strcmp( p, "anti_replay" ) == 0 )
+ {
+ opt.anti_replay = atoi( q );
+ if( opt.anti_replay < 0 || opt.anti_replay > 1)
+ goto usage;
+ }
+ else if( strcmp( p, "badmac_limit" ) == 0 )
+ {
+ opt.badmac_limit = atoi( q );
+ if( opt.badmac_limit < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "hs_timeout" ) == 0 )
+ {
+ if( ( p = strchr( q, '-' ) ) == NULL )
+ goto usage;
+ *p++ = '\0';
+ opt.hs_to_min = atoi( q );
+ opt.hs_to_max = atoi( p );
+ if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
+ goto usage;
+ }
+ else if( strcmp( p, "mtu" ) == 0 )
+ {
+ opt.dtls_mtu = atoi( q );
+ if( opt.dtls_mtu < 0 )
+ goto usage;
+ }
+ else if( strcmp( p, "dgram_packing" ) == 0 )
+ {
+ opt.dgram_packing = atoi( q );
+ if( opt.dgram_packing != 0 &&
+ opt.dgram_packing != 1 )
+ {
+ goto usage;
+ }
+ }
+ else if( strcmp( p, "sni" ) == 0 )
+ {
+ opt.sni = q;
+ }
+ else if( strcmp( p, "query_config" ) == 0 )
+ {
+ opt.query_config_mode = 1;
+ query_config_ret = query_config( q );
+ goto exit;
+ }
+ else if( strcmp( p, "serialize") == 0 )
+ {
+ opt.serialize = atoi( q );
+ if( opt.serialize < 0 || opt.serialize > 2)
+ goto usage;
+ }
+ else if( strcmp( p, "context_file") == 0 )
+ {
+ opt.context_file = q;
+ }
+ else if( strcmp( p, "eap_tls" ) == 0 )
+ {
+ opt.eap_tls = atoi( q );
+ if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "reproducible" ) == 0 )
+ {
+ opt.reproducible = 1;
+ }
+ else if( strcmp( p, "nss_keylog" ) == 0 )
+ {
+ opt.nss_keylog = atoi( q );
+ if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+ goto usage;
+ }
+ else if( strcmp( p, "nss_keylog_file" ) == 0 )
+ {
+ opt.nss_keylog_file = q;
+ }
+ else if( strcmp( p, "use_srtp" ) == 0 )
+ {
+ opt.use_srtp = atoi ( q );
+ }
+ else if( strcmp( p, "srtp_force_profile" ) == 0 )
+ {
+ opt.force_srtp_profile = atoi( q );
+ }
+ else if( strcmp( p, "support_mki" ) == 0 )
+ {
+ opt.support_mki = atoi( q );
+ }
+ else
+ goto usage;
+ }
+
+ if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
+ {
+ mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+ goto usage;
+ }
+
+ /* Event-driven IO is incompatible with the above custom
+ * receive and send functions, as the polling builds on
+ * refers to the underlying net_context. */
+ if( opt.event == 1 && opt.nbio != 1 )
+ {
+ mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+ opt.nbio = 1;
+ }
+
+#if defined(MBEDTLS_DEBUG_C)
+ mbedtls_debug_set_threshold( opt.debug_level );
+#endif
+ buf = mbedtls_calloc( 1, opt.buffer_size + 1 );
+ if( buf == NULL )
+ {
+ mbedtls_printf( "Could not allocate %u bytes\n", opt.buffer_size );
+ ret = 3;
+ goto exit;
+ }
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ if( strlen( opt.psk ) == 0 )
+ {
+ mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ if( opt.force_ciphersuite[0] <= 0 )
+ {
+ mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+ ret = 2;
+ goto usage;
+ }
+ }
+
+ if( opt.psk_list_opaque != 0 )
+ {
+ if( opt.psk_list == NULL )
+ {
+ mbedtls_printf( "psk_slot set but no psk to be imported specified.\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ if( opt.force_ciphersuite[0] <= 0 )
+ {
+ mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+ ret = 2;
+ goto usage;
+ }
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ if( opt.force_ciphersuite[0] > 0 )
+ {
+ const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
+ ciphersuite_info =
+ mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+
+ if( opt.max_version != -1 &&
+ ciphersuite_info->min_minor_ver > opt.max_version )
+ {
+ mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+ ret = 2;
+ goto usage;
+ }
+ if( opt.min_version != -1 &&
+ ciphersuite_info->max_minor_ver < opt.min_version )
+ {
+ mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ /* If we select a version that's not supported by
+ * this suite, then there will be no common ciphersuite... */
+ if( opt.max_version == -1 ||
+ opt.max_version > ciphersuite_info->max_minor_ver )
+ {
+ opt.max_version = ciphersuite_info->max_minor_ver;
+ }
+ if( opt.min_version < ciphersuite_info->min_minor_ver )
+ {
+ opt.min_version = ciphersuite_info->min_minor_ver;
+ /* DTLS starts with TLS 1.1 */
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+ opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2 )
+ opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2;
+ }
+
+ /* Enable RC4 if needed and not explicitly disabled */
+ if( ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
+ {
+ if( opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED )
+ {
+ mbedtls_printf("forced RC4 ciphersuite with RC4 disabled\n");
+ ret = 2;
+ goto usage;
+ }
+
+ opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED;
+ }
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 || opt.psk_list_opaque != 0 )
+ {
+ /* Ensure that the chosen ciphersuite is PSK-only; we must know
+ * the ciphersuite in advance to set the correct policy for the
+ * PSK key slot. This limitation might go away in the future. */
+ if( ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
+ opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3 )
+ {
+ mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+ ret = 2;
+ goto usage;
+ }
+
+ /* Determine KDF algorithm the opaque PSK will be used in. */
+#if defined(MBEDTLS_SHA512_C)
+ if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
+ else
+#endif /* MBEDTLS_SHA512_C */
+ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ }
+
+ if( opt.version_suites != NULL )
+ {
+ const char *name[4] = { 0 };
+
+ /* Parse 4-element coma-separated list */
+ for( i = 0, p = (char *) opt.version_suites;
+ i < 4 && *p != '\0';
+ i++ )
+ {
+ name[i] = p;
+
+ /* Terminate the current string and move on to next one */
+ while( *p != ',' && *p != '\0' )
+ p++;
+ if( *p == ',' )
+ *p++ = '\0';
+ }
+
+ if( i != 4 )
+ {
+ mbedtls_printf( "too few values for version_suites\n" );
+ ret = 1;
+ goto exit;
+ }
+
+ memset( version_suites, 0, sizeof( version_suites ) );
+
+ /* Get the suites identifiers from their name */
+ for( i = 0; i < 4; i++ )
+ {
+ version_suites[i][0] = mbedtls_ssl_get_ciphersuite_id( name[i] );
+
+ if( version_suites[i][0] == 0 )
+ {
+ mbedtls_printf( "unknown ciphersuite: '%s'\n", name[i] );
+ ret = 2;
+ goto usage;
+ }
+ }
+ }
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( mbedtls_test_unhexify( cid, sizeof( cid ),
+ opt.cid_val, &cid_len ) != 0 )
+ {
+ mbedtls_printf( "CID not valid hex\n" );
+ goto exit;
+ }
+
+ /* Keep CID settings for renegotiation unless
+ * specified otherwise. */
+ if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+ opt.cid_enabled_renego = opt.cid_enabled;
+ if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+ opt.cid_val_renego = opt.cid_val;
+
+ if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
+ opt.cid_val_renego, &cid_renego_len ) != 0 )
+ {
+ mbedtls_printf( "CID not valid hex\n" );
+ goto exit;
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+ /*
+ * Unhexify the pre-shared key and parse the list if any given
+ */
+ if( mbedtls_test_unhexify( psk, sizeof( psk ),
+ opt.psk, &psk_len ) != 0 )
+ {
+ mbedtls_printf( "pre-shared key not valid hex\n" );
+ goto exit;
+ }
+
+ if( opt.psk_list != NULL )
+ {
+ if( ( psk_info = psk_parse( opt.psk_list ) ) == NULL )
+ {
+ mbedtls_printf( "psk_list invalid" );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+
+#if defined(MBEDTLS_ECP_C)
+ if( opt.curves != NULL )
+ {
+ p = (char *) opt.curves;
+ i = 0;
+
+ if( strcmp( p, "none" ) == 0 )
+ {
+ curve_list[0] = MBEDTLS_ECP_DP_NONE;
+ }
+ else if( strcmp( p, "default" ) != 0 )
+ {
+ /* Leave room for a final NULL in curve list */
+ while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
+ {
+ q = p;
+
+ /* Terminate the current string */
+ while( *p != ',' && *p != '\0' )
+ p++;
+ if( *p == ',' )
+ *p++ = '\0';
+
+ if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
+ {
+ curve_list[i++] = curve_cur->grp_id;
+ }
+ else
+ {
+ mbedtls_printf( "unknown curve %s\n", q );
+ mbedtls_printf( "supported curves: " );
+ for( curve_cur = mbedtls_ecp_curve_list();
+ curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
+ curve_cur++ )
+ {
+ mbedtls_printf( "%s ", curve_cur->name );
+ }
+ mbedtls_printf( "\n" );
+ goto exit;
+ }
+ }
+
+ mbedtls_printf("Number of curves: %d\n", i );
+
+ if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
+ {
+ mbedtls_printf( "curves list too long, maximum %d",
+ CURVE_LIST_SIZE - 1 );
+ goto exit;
+ }
+
+ curve_list[i] = MBEDTLS_ECP_DP_NONE;
+ }
+ }
+#endif /* MBEDTLS_ECP_C */
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ {
+ p = (char *) opt.alpn_string;
+ i = 0;
+
+ /* Leave room for a final NULL in alpn_list */
+ while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
+ {
+ alpn_list[i++] = p;
+
+ /* Terminate the current string and move on to next one */
+ while( *p != ',' && *p != '\0' )
+ p++;
+ if( *p == ',' )
+ *p++ = '\0';
+ }
+ }
+#endif /* MBEDTLS_SSL_ALPN */
+
+ /*
+ * 0. Initialize the RNG and the session data
+ */
+ mbedtls_printf( "\n . Seeding the random number generator..." );
+ fflush( stdout );
+
+ ret = rng_seed( &rng, opt.reproducible, pers );
+ if( ret != 0 )
+ goto exit;
+ mbedtls_printf( " ok\n" );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /*
+ * 1.1. Load the trusted CA
+ */
+ mbedtls_printf( " . Loading the CA root certificate ..." );
+ fflush( stdout );
+
+ if( strcmp( opt.ca_path, "none" ) == 0 ||
+ strcmp( opt.ca_file, "none" ) == 0 )
+ {
+ ret = 0;
+ }
+ else
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.ca_path ) )
+ ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
+ else if( strlen( opt.ca_file ) )
+ ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
+ else
+#endif
+#if defined(MBEDTLS_CERTS_C)
+ {
+#if defined(MBEDTLS_PEM_PARSE_C)
+ for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
+ {
+ ret = mbedtls_x509_crt_parse( &cacert,
+ (const unsigned char *) mbedtls_test_cas[i],
+ mbedtls_test_cas_len[i] );
+ if( ret != 0 )
+ break;
+ }
+ if( ret == 0 )
+#endif /* MBEDTLS_PEM_PARSE_C */
+ for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
+ {
+ ret = mbedtls_x509_crt_parse_der( &cacert,
+ (const unsigned char *) mbedtls_test_cas_der[i],
+ mbedtls_test_cas_der_len[i] );
+ if( ret != 0 )
+ break;
+ }
+ }
+#else
+ {
+ ret = 1;
+ mbedtls_printf( "MBEDTLS_CERTS_C not defined." );
+ }
+#endif /* MBEDTLS_CERTS_C */
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok (%d skipped)\n", ret );
+
+ /*
+ * 1.2. Load own certificate and private key
+ */
+ mbedtls_printf( " . Loading the server cert. and key..." );
+ fflush( stdout );
+
+#if defined(MBEDTLS_FS_IO)
+ if( strlen( opt.crt_file ) && strcmp( opt.crt_file, "none" ) != 0 )
+ {
+ key_cert_init++;
+ if( ( ret = mbedtls_x509_crt_parse_file( &srvcert, opt.crt_file ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ if( strlen( opt.key_file ) && strcmp( opt.key_file, "none" ) != 0 )
+ {
+ key_cert_init++;
+ if( ( ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file,
+ opt.key_pwd ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ if( key_cert_init == 1 )
+ {
+ mbedtls_printf( " failed\n ! crt_file without key_file or vice-versa\n\n" );
+ goto exit;
+ }
+
+ if( strlen( opt.crt_file2 ) && strcmp( opt.crt_file2, "none" ) != 0 )
+ {
+ key_cert_init2++;
+ if( ( ret = mbedtls_x509_crt_parse_file( &srvcert2, opt.crt_file2 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ if( strlen( opt.key_file2 ) && strcmp( opt.key_file2, "none" ) != 0 )
+ {
+ key_cert_init2++;
+ if( ( ret = mbedtls_pk_parse_keyfile( &pkey2, opt.key_file2,
+ opt.key_pwd2 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ if( key_cert_init2 == 1 )
+ {
+ mbedtls_printf( " failed\n ! crt_file2 without key_file2 or vice-versa\n\n" );
+ goto exit;
+ }
+#endif
+ if( key_cert_init == 0 &&
+ strcmp( opt.crt_file, "none" ) != 0 &&
+ strcmp( opt.key_file, "none" ) != 0 &&
+ key_cert_init2 == 0 &&
+ strcmp( opt.crt_file2, "none" ) != 0 &&
+ strcmp( opt.key_file2, "none" ) != 0 )
+ {
+#if !defined(MBEDTLS_CERTS_C)
+ mbedtls_printf( "Not certificated or key provided, and \nMBEDTLS_CERTS_C not defined!\n" );
+ goto exit;
+#else
+#if defined(MBEDTLS_RSA_C)
+ if( ( ret = mbedtls_x509_crt_parse( &srvcert,
+ (const unsigned char *) mbedtls_test_srv_crt_rsa,
+ mbedtls_test_srv_crt_rsa_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ if( ( ret = mbedtls_pk_parse_key( &pkey,
+ (const unsigned char *) mbedtls_test_srv_key_rsa,
+ mbedtls_test_srv_key_rsa_len, NULL, 0 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ key_cert_init = 2;
+#endif /* MBEDTLS_RSA_C */
+#if defined(MBEDTLS_ECDSA_C)
+ if( ( ret = mbedtls_x509_crt_parse( &srvcert2,
+ (const unsigned char *) mbedtls_test_srv_crt_ec,
+ mbedtls_test_srv_crt_ec_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! x509_crt_parse2 returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ if( ( ret = mbedtls_pk_parse_key( &pkey2,
+ (const unsigned char *) mbedtls_test_srv_key_ec,
+ mbedtls_test_srv_key_ec_len, NULL, 0 ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! pk_parse_key2 returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ key_cert_init2 = 2;
+#endif /* MBEDTLS_ECDSA_C */
+#endif /* MBEDTLS_CERTS_C */
+ }
+
+ mbedtls_printf( " ok\n" );
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+ if( opt.dhm_file != NULL )
+ {
+ mbedtls_printf( " . Loading DHM parameters..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_dhm_parse_dhmfile( &dhm, opt.dhm_file ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+ }
+#endif
+
+#if defined(SNI_OPTION)
+ if( opt.sni != NULL )
+ {
+ mbedtls_printf( " . Setting up SNI information..." );
+ fflush( stdout );
+
+ if( ( sni_info = sni_parse( opt.sni ) ) == NULL )
+ {
+ mbedtls_printf( " failed\n" );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+ }
+#endif /* SNI_OPTION */
+
+ /*
+ * 2. Setup the listening TCP socket
+ */
+ mbedtls_printf( " . Bind on %s://%s:%s/ ...",
+ opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
+ opt.server_addr ? opt.server_addr : "*",
+ opt.server_port );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_bind( &listen_fd, opt.server_addr, opt.server_port,
+ opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+ MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 3. Setup stuff
+ */
+ mbedtls_printf( " . Setting up the SSL/TLS structure..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_ssl_config_defaults( &conf,
+ MBEDTLS_SSL_IS_SERVER,
+ opt.transport,
+ MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /* The default algorithms profile disables SHA-1, but our tests still
+ rely on it heavily. Hence we allow it here. A real-world server
+ should use the default profile unless there is a good reason not to. */
+ if( opt.allow_sha1 > 0 )
+ {
+ crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
+ mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
+ mbedtls_ssl_conf_sig_hashes( &conf, ssl_sig_hashes_for_test );
+ }
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+ if( opt.auth_mode != DFL_AUTH_MODE )
+ mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+
+ if( opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST )
+ mbedtls_ssl_conf_cert_req_ca_list( &conf, opt.cert_req_ca_list );
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
+ mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max );
+
+ if( opt.dgram_packing != DFL_DGRAM_PACKING )
+ mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+ if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret );
+ goto exit;
+ }
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
+ {
+ if( opt.cid_enabled == 1 &&
+ opt.cid_enabled_renego == 1 &&
+ cid_len != cid_renego_len )
+ {
+ mbedtls_printf( "CID length must not change during renegotiation\n" );
+ goto usage;
+ }
+
+ if( opt.cid_enabled == 1 )
+ ret = mbedtls_ssl_conf_cid( &conf, cid_len,
+ MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+ else
+ ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
+ MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_DTLS_SRTP)
+ const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
+ if( opt.use_srtp == 1 )
+ {
+ if( opt.force_srtp_profile != 0 )
+ {
+ ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, forced_profile );
+ }
+ else
+ {
+ ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, default_profiles );
+ }
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_srtp_mki_value_supported( &conf,
+ opt.support_mki ?
+ MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
+ MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED );
+
+ }
+ else if( opt.force_srtp_profile != 0 )
+ {
+ mbedtls_printf( " failed\n ! must enable use_srtp to force srtp profile\n\n" );
+ goto exit;
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+ if( opt.trunc_hmac != DFL_TRUNC_HMAC )
+ mbedtls_ssl_conf_truncated_hmac( &conf, opt.trunc_hmac );
+#endif
+
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+ if( opt.extended_ms != DFL_EXTENDED_MS )
+ mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
+#endif
+
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+ if( opt.etm != DFL_ETM )
+ mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
+#endif
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ if( opt.eap_tls != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf, eap_tls_key_derivation,
+ &eap_tls_keying );
+ }
+ else if( opt.nss_keylog != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf,
+ nss_keylog_export,
+ NULL );
+ }
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ else if( opt.use_srtp != 0 )
+ {
+ mbedtls_ssl_conf_export_keys_ext_cb( &conf, dtls_srtp_key_derivation,
+ &dtls_srtp_keying );
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret );
+ goto exit;
+ }
+#endif
+
+ if (opt.reproducible)
+ {
+#if defined(MBEDTLS_HAVE_TIME)
+#if defined(MBEDTLS_PLATFORM_TIME_ALT)
+ mbedtls_platform_set_time( dummy_constant_time );
+#else
+ fprintf( stderr, "Warning: reproducible option used without constant time\n" );
+#endif
+#endif /* MBEDTLS_HAVE_TIME */
+ }
+ mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
+ mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+ if( opt.cache_max != -1 )
+ mbedtls_ssl_cache_set_max_entries( &cache, opt.cache_max );
+
+ if( opt.cache_timeout != -1 )
+ mbedtls_ssl_cache_set_timeout( &cache, opt.cache_timeout );
+
+ mbedtls_ssl_conf_session_cache( &conf, &cache,
+ mbedtls_ssl_cache_get,
+ mbedtls_ssl_cache_set );
+#endif
+
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+ if( opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED )
+ {
+ if( ( ret = mbedtls_ssl_ticket_setup( &ticket_ctx,
+ rng_get, &rng,
+ MBEDTLS_CIPHER_AES_256_GCM,
+ opt.ticket_timeout ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_ticket_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_session_tickets_cb( &conf,
+ mbedtls_ssl_ticket_write,
+ mbedtls_ssl_ticket_parse,
+ &ticket_ctx );
+ }
+#endif
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+#if defined(MBEDTLS_SSL_COOKIE_C)
+ if( opt.cookies > 0 )
+ {
+ if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
+ rng_get, &rng ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
+ &cookie_ctx );
+ }
+ else
+#endif /* MBEDTLS_SSL_COOKIE_C */
+#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+ if( opt.cookies == 0 )
+ {
+ mbedtls_ssl_conf_dtls_cookies( &conf, NULL, NULL, NULL );
+ }
+ else
+#endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
+ {
+ ; /* Nothing to do */
+ }
+
+#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
+ if( opt.anti_replay != DFL_ANTI_REPLAY )
+ mbedtls_ssl_conf_dtls_anti_replay( &conf, opt.anti_replay );
+#endif
+
+#if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT)
+ if( opt.badmac_limit != DFL_BADMAC_LIMIT )
+ mbedtls_ssl_conf_dtls_badmac_limit( &conf, opt.badmac_limit );
+#endif
+ }
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
+
+ if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
+ mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+
+#if defined(MBEDTLS_ARC4_C)
+ if( opt.arc4 != DFL_ARC4 )
+ mbedtls_ssl_conf_arc4_support( &conf, opt.arc4 );
+#endif
+
+ if( opt.version_suites != NULL )
+ {
+ mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[0],
+ MBEDTLS_SSL_MAJOR_VERSION_3,
+ MBEDTLS_SSL_MINOR_VERSION_0 );
+ mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[1],
+ MBEDTLS_SSL_MAJOR_VERSION_3,
+ MBEDTLS_SSL_MINOR_VERSION_1 );
+ mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[2],
+ MBEDTLS_SSL_MAJOR_VERSION_3,
+ MBEDTLS_SSL_MINOR_VERSION_2 );
+ mbedtls_ssl_conf_ciphersuites_for_version( &conf, version_suites[3],
+ MBEDTLS_SSL_MAJOR_VERSION_3,
+ MBEDTLS_SSL_MINOR_VERSION_3 );
+ }
+
+ if( opt.allow_legacy != DFL_ALLOW_LEGACY )
+ mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
+
+ if( opt.renego_delay != DFL_RENEGO_DELAY )
+ mbedtls_ssl_conf_renegotiation_enforced( &conf, opt.renego_delay );
+
+ if( opt.renego_period != DFL_RENEGO_PERIOD )
+ {
+ PUT_UINT64_BE( renego_period, opt.renego_period, 0 );
+ mbedtls_ssl_conf_renegotiation_period( &conf, renego_period );
+ }
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( strcmp( opt.ca_path, "none" ) != 0 &&
+ strcmp( opt.ca_file, "none" ) != 0 )
+ {
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+ if( opt.ca_callback != 0 )
+ mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert);
+ else
+#endif
+ mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+ }
+ if( key_cert_init )
+ {
+ mbedtls_pk_context *pk = &pkey;
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( opt.async_private_delay1 >= 0 )
+ {
+ ret = ssl_async_set_key( &ssl_async_keys, &srvcert, pk, 0,
+ opt.async_private_delay1 );
+ if( ret < 0 )
+ {
+ mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n",
+ ret );
+ goto exit;
+ }
+ pk = NULL;
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, pk ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+ if( key_cert_init2 )
+ {
+ mbedtls_pk_context *pk = &pkey2;
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( opt.async_private_delay2 >= 0 )
+ {
+ ret = ssl_async_set_key( &ssl_async_keys, &srvcert2, pk, 0,
+ opt.async_private_delay2 );
+ if( ret < 0 )
+ {
+ mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n",
+ ret );
+ goto exit;
+ }
+ pk = NULL;
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+ if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert2, pk ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( opt.async_operations[0] != '-' )
+ {
+ mbedtls_ssl_async_sign_t *sign = NULL;
+ mbedtls_ssl_async_decrypt_t *decrypt = NULL;
+ const char *r;
+ for( r = opt.async_operations; *r; r++ )
+ {
+ switch( *r )
+ {
+ case 'd':
+ decrypt = ssl_async_decrypt;
+ break;
+ case 's':
+ sign = ssl_async_sign;
+ break;
+ }
+ }
+ ssl_async_keys.inject_error = ( opt.async_private_error < 0 ?
+ - opt.async_private_error :
+ opt.async_private_error );
+ ssl_async_keys.f_rng = rng_get;
+ ssl_async_keys.p_rng = &rng;
+ mbedtls_ssl_conf_async_private_cb( &conf,
+ sign,
+ decrypt,
+ ssl_async_resume,
+ ssl_async_cancel,
+ &ssl_async_keys );
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(SNI_OPTION)
+ if( opt.sni != NULL )
+ {
+ mbedtls_ssl_conf_sni( &conf, sni_callback, sni_info );
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( opt.async_private_delay2 >= 0 )
+ {
+ sni_entry *cur;
+ for( cur = sni_info; cur != NULL; cur = cur->next )
+ {
+ ret = ssl_async_set_key( &ssl_async_keys,
+ cur->cert, cur->key, 1,
+ opt.async_private_delay2 );
+ if( ret < 0 )
+ {
+ mbedtls_printf( " Test error: ssl_async_set_key failed (%d)\n",
+ ret );
+ goto exit;
+ }
+ cur->key = NULL;
+ }
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+ }
+#endif
+
+#if defined(MBEDTLS_ECP_C)
+ if( opt.curves != NULL &&
+ strcmp( opt.curves, "default" ) != 0 )
+ {
+ mbedtls_ssl_conf_curves( &conf, curve_list );
+ }
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+
+ if( strlen( opt.psk ) != 0 && strlen( opt.psk_identity ) != 0 )
+ {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ /* The algorithm has already been determined earlier. */
+ status = psa_setup_psk_key_slot( &psk_slot, alg, psk, psk_len );
+ if( status != PSA_SUCCESS )
+ {
+ fprintf( stderr, "SETUP FAIL\n" );
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ goto exit;
+ }
+ if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, psk_slot,
+ (const unsigned char *) opt.psk_identity,
+ strlen( opt.psk_identity ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+ else
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+ if( psk_len > 0 )
+ {
+ ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
+ (const unsigned char *) opt.psk_identity,
+ strlen( opt.psk_identity ) );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n mbedtls_ssl_conf_psk returned -0x%04X\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+ }
+ }
+
+ if( opt.psk_list != NULL )
+ {
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_list_opaque != 0 )
+ {
+ psk_entry *cur_psk;
+ for( cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next )
+ {
+
+ status = psa_setup_psk_key_slot( &cur_psk->slot, alg,
+ cur_psk->key,
+ cur_psk->key_len );
+ if( status != PSA_SUCCESS )
+ {
+ ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
+ goto exit;
+ }
+ }
+ }
+#endif /* MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_ssl_conf_psk_cb( &conf, psk_callback, psk_info );
+ }
+#endif
+
+#if defined(MBEDTLS_DHM_C)
+ /*
+ * Use different group than default DHM group
+ */
+#if defined(MBEDTLS_FS_IO)
+ if( opt.dhm_file != NULL )
+ ret = mbedtls_ssl_conf_dh_param_ctx( &conf, &dhm );
+#endif
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n mbedtls_ssl_conf_dh_param returned -0x%04X\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+#endif
+
+ if( opt.min_version != DFL_MIN_VERSION )
+ mbedtls_ssl_conf_min_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.min_version );
+
+ if( opt.max_version != DFL_MIN_VERSION )
+ mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ io_ctx.ssl = &ssl;
+ io_ctx.net = &client_fd;
+ mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
+ opt.nbio == 0 ? recv_timeout_cb : NULL );
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
+ cid, cid_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( opt.dtls_mtu != DFL_DTLS_MTU )
+ mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
+#endif
+
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+#endif
+
+ mbedtls_printf( " ok\n" );
+
+reset:
+#if !defined(_WIN32)
+ if( received_sigterm )
+ {
+ mbedtls_printf( " interrupted by SIGTERM (not in net_accept())\n" );
+ if( ret == MBEDTLS_ERR_NET_INVALID_CONTEXT )
+ ret = 0;
+
+ goto exit;
+ }
+#endif
+
+ if( ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT )
+ {
+ mbedtls_printf( " ! Client initiated reconnection from same port\n" );
+ goto handshake;
+ }
+
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+ }
+#endif
+
+ mbedtls_net_free( &client_fd );
+
+ mbedtls_ssl_session_reset( &ssl );
+
+ /*
+ * 3. Wait until a client connects
+ */
+ mbedtls_printf( " . Waiting for a remote connection ..." );
+ fflush( stdout );
+
+ if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
+ client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
+ {
+#if !defined(_WIN32)
+ if( received_sigterm )
+ {
+ mbedtls_printf( " interrupted by SIGTERM (in net_accept())\n" );
+ if( ret == MBEDTLS_ERR_NET_ACCEPT_FAILED )
+ ret = 0;
+
+ goto exit;
+ }
+#endif
+
+ mbedtls_printf( " failed\n ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ if( opt.nbio > 0 )
+ ret = mbedtls_net_set_nonblock( &client_fd );
+ else
+ ret = mbedtls_net_set_block( &client_fd );
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+
+#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
+ client_ip, cliip_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+ if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
+ {
+ if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
+ (const unsigned char *) opt.ecjpake_pw,
+ strlen( opt.ecjpake_pw ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret );
+ goto exit;
+ }
+ }
+#endif
+
+ mbedtls_printf( " ok\n" );
+
+ /*
+ * 4. Handshake
+ */
+handshake:
+ mbedtls_printf( " . Performing the SSL/TLS handshake..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
+ {
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
+ ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL )
+ {
+ mbedtls_printf( " cancelling on injected error\n" );
+ break;
+ }
+#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+
+ if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+ break;
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ ret = idle( &client_fd, &timer, ret );
+#else
+ ret = idle( &client_fd, ret );
+#endif
+ if( ret != 0 )
+ goto reset;
+ }
+ }
+
+ if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
+ {
+ mbedtls_printf( " hello verification requested\n" );
+ ret = 0;
+ goto reset;
+ }
+ else if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
+ {
+ char vrfy_buf[512];
+ flags = mbedtls_ssl_get_verify_result( &ssl );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+#endif
+
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ if( opt.async_private_error < 0 )
+ /* Injected error only the first time round, to test reset */
+ ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE;
+#endif
+ goto reset;
+ }
+ else /* ret == 0 */
+ {
+ mbedtls_printf( " ok\n [ Protocol is %s ]\n [ Ciphersuite is %s ]\n",
+ mbedtls_ssl_get_version( &ssl ), mbedtls_ssl_get_ciphersuite( &ssl ) );
+ }
+
+ if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
+ mbedtls_printf( " [ Record expansion is %d ]\n", ret );
+ else
+ mbedtls_printf( " [ Record expansion is unknown (compression) ]\n" );
+
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+ mbedtls_printf( " [ Maximum input fragment length is %u ]\n",
+ (unsigned int) mbedtls_ssl_get_input_max_frag_len( &ssl ) );
+ mbedtls_printf( " [ Maximum output fragment length is %u ]\n",
+ (unsigned int) mbedtls_ssl_get_output_max_frag_len( &ssl ) );
+#endif
+
+#if defined(MBEDTLS_SSL_ALPN)
+ if( opt.alpn_string != NULL )
+ {
+ const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
+ mbedtls_printf( " [ Application Layer Protocol is %s ]\n",
+ alp ? alp : "(none)" );
+ }
+#endif
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ /*
+ * 5. Verify the client certificate
+ */
+ mbedtls_printf( " . Verifying peer X.509 certificate..." );
+
+ if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
+ {
+ char vrfy_buf[512];
+
+ mbedtls_printf( " failed\n" );
+
+ mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
+
+ mbedtls_printf( "%s\n", vrfy_buf );
+ }
+ else
+ mbedtls_printf( " ok\n" );
+
+ if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL )
+ {
+ char crt_buf[512];
+
+ mbedtls_printf( " . Peer certificate information ...\n" );
+ mbedtls_x509_crt_info( crt_buf, sizeof( crt_buf ), " ",
+ mbedtls_ssl_get_peer_cert( &ssl ) );
+ mbedtls_printf( "%s\n", crt_buf );
+ }
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+ if( opt.eap_tls != 0 )
+ {
+ size_t j = 0;
+
+ if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
+ eap_tls_keying.master_secret,
+ sizeof( eap_tls_keying.master_secret ),
+ eap_tls_label,
+ eap_tls_keying.randbytes,
+ sizeof( eap_tls_keying.randbytes ),
+ eap_tls_keymaterial,
+ sizeof( eap_tls_keymaterial ) ) )
+ != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto reset;
+ }
+
+ mbedtls_printf( " EAP-TLS key material is:" );
+ for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf("\n ");
+ mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+ }
+ mbedtls_printf("\n");
+
+ if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
+ eap_tls_label,
+ eap_tls_keying.randbytes,
+ sizeof( eap_tls_keying.randbytes ),
+ eap_tls_iv,
+ sizeof( eap_tls_iv ) ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto reset;
+ }
+
+ mbedtls_printf( " EAP-TLS IV is:" );
+ for( j = 0; j < sizeof( eap_tls_iv ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf("\n ");
+ mbedtls_printf("%02x ", eap_tls_iv[j] );
+ }
+ mbedtls_printf("\n");
+ }
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+ else if( opt.use_srtp != 0 )
+ {
+ size_t j = 0;
+ mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
+ mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+
+ if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
+ == MBEDTLS_TLS_SRTP_UNSET )
+ {
+ mbedtls_printf( " Unable to negotiate "
+ "the use of DTLS-SRTP\n" );
+ }
+ else
+ {
+ if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
+ dtls_srtp_keying.master_secret,
+ sizeof( dtls_srtp_keying.master_secret ),
+ dtls_srtp_label,
+ dtls_srtp_keying.randbytes,
+ sizeof( dtls_srtp_keying.randbytes ),
+ dtls_srtp_key_material,
+ sizeof( dtls_srtp_key_material ) ) )
+ != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+ (unsigned int) -ret );
+ goto exit;
+ }
+
+ mbedtls_printf( " DTLS-SRTP key material is:" );
+ for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
+ {
+ if( j % 8 == 0 )
+ mbedtls_printf( "\n " );
+ mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+ }
+ mbedtls_printf( "\n" );
+
+ /* produce a less readable output used to perform automatic checks
+ * - compare client and server output
+ * - interop test with openssl which client produces this kind of output
+ */
+ mbedtls_printf( " Keying material: " );
+ for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
+ {
+ mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+ }
+ mbedtls_printf( "\n" );
+
+ if ( dtls_srtp_negotiation_result.mki_len > 0 )
+ {
+ mbedtls_printf( " DTLS-SRTP mki value: " );
+ for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
+ {
+ mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+ }
+ }
+ else
+ {
+ mbedtls_printf( " DTLS-SRTP no mki value negotiated" );
+ }
+ mbedtls_printf( "\n" );
+
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ ret = report_cid_usage( &ssl, "initial handshake" );
+ if( ret != 0 )
+ goto exit;
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
+ cid_renego, cid_renego_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
+ ret );
+ goto exit;
+ }
+ }
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+#if defined(MBEDTLS_MEMORY_DEBUG)
+ mbedtls_memory_buffer_alloc_cur_get( &current_heap_memory, &heap_blocks );
+ mbedtls_memory_buffer_alloc_max_get( &peak_heap_memory, &heap_blocks );
+ mbedtls_printf( "Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
+ (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory );
+#endif /* MBEDTLS_MEMORY_DEBUG */
+
+ if( opt.exchanges == 0 )
+ goto close_notify;
+
+ exchanges_left = opt.exchanges;
+data_exchange:
+ /*
+ * 6. Read the HTTP Request
+ */
+ mbedtls_printf( " < Read from client:" );
+ fflush( stdout );
+
+ /*
+ * TLS and DTLS need different reading styles (stream vs datagram)
+ */
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
+ {
+ do
+ {
+ int terminated = 0;
+ len = opt.buffer_size - 1;
+ memset( buf, 0, opt.buffer_size );
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ if( mbedtls_status_is_ssl_in_progress( ret ) )
+ {
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &client_fd, &timer, ret );
+#else
+ idle( &client_fd, ret );
+#endif
+ }
+
+ continue;
+ }
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ goto close_notify;
+
+ case 0:
+ case MBEDTLS_ERR_NET_CONN_RESET:
+ mbedtls_printf( " connection was reset by peer\n" );
+ ret = MBEDTLS_ERR_NET_CONN_RESET;
+ goto reset;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+ goto reset;
+ }
+ }
+
+ if( mbedtls_ssl_get_bytes_avail( &ssl ) == 0 )
+ {
+ len = ret;
+ buf[len] = '\0';
+ mbedtls_printf( " %d bytes read\n\n%s\n", len, (char *) buf );
+
+ /* End of message should be detected according to the syntax of the
+ * application protocol (eg HTTP), just use a dummy test here. */
+ if( buf[len - 1] == '\n' )
+ terminated = 1;
+ }
+ else
+ {
+ int extra_len, ori_len;
+ unsigned char *larger_buf;
+
+ ori_len = ret;
+ extra_len = (int) mbedtls_ssl_get_bytes_avail( &ssl );
+
+ larger_buf = mbedtls_calloc( 1, ori_len + extra_len + 1 );
+ if( larger_buf == NULL )
+ {
+ mbedtls_printf( " ! memory allocation failed\n" );
+ ret = 1;
+ goto reset;
+ }
+
+ memset( larger_buf, 0, ori_len + extra_len );
+ memcpy( larger_buf, buf, ori_len );
+
+ /* This read should never fail and get the whole cached data */
+ ret = mbedtls_ssl_read( &ssl, larger_buf + ori_len, extra_len );
+ if( ret != extra_len ||
+ mbedtls_ssl_get_bytes_avail( &ssl ) != 0 )
+ {
+ mbedtls_printf( " ! mbedtls_ssl_read failed on cached data\n" );
+ ret = 1;
+ goto reset;
+ }
+
+ larger_buf[ori_len + extra_len] = '\0';
+ mbedtls_printf( " %d bytes read (%d + %d)\n\n%s\n",
+ ori_len + extra_len, ori_len, extra_len,
+ (char *) larger_buf );
+
+ /* End of message should be detected according to the syntax of the
+ * application protocol (eg HTTP), just use a dummy test here. */
+ if( larger_buf[ori_len + extra_len - 1] == '\n' )
+ terminated = 1;
+
+ mbedtls_free( larger_buf );
+ }
+
+ if( terminated )
+ {
+ ret = 0;
+ break;
+ }
+ }
+ while( 1 );
+ }
+ else /* Not stream, so datagram */
+ {
+ len = opt.buffer_size - 1;
+ memset( buf, 0, opt.buffer_size );
+
+ do
+ {
+ /* Without the call to `mbedtls_ssl_check_pending`, it might
+ * happen that the client sends application data in the same
+ * datagram as the Finished message concluding the handshake.
+ * In this case, the application data would be ready to be
+ * processed while the underlying transport wouldn't signal
+ * any further incoming data.
+ *
+ * See the test 'Event-driven I/O: session-id resume, UDP packing'
+ * in tests/ssl-opt.sh.
+ */
+
+ /* For event-driven IO, wait for socket to become available */
+ if( mbedtls_ssl_check_pending( &ssl ) == 0 &&
+ opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ );
+#else
+ idle( &client_fd, MBEDTLS_ERR_SSL_WANT_READ );
+#endif
+ }
+
+ ret = mbedtls_ssl_read( &ssl, buf, len );
+
+ /* Note that even if `mbedtls_ssl_check_pending` returns true,
+ * it can happen that the subsequent call to `mbedtls_ssl_read`
+ * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages
+ * might be discarded (e.g. because they are retransmissions). */
+ }
+ while( mbedtls_status_is_ssl_in_progress( ret ) );
+
+ if( ret <= 0 )
+ {
+ switch( ret )
+ {
+ case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
+ mbedtls_printf( " connection was closed gracefully\n" );
+ ret = 0;
+ goto close_notify;
+
+ default:
+ mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+ goto reset;
+ }
+ }
+
+ len = ret;
+ buf[len] = '\0';
+ mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+ ret = 0;
+ }
+
+ /*
+ * 7a. Request renegotiation while client is waiting for input from us.
+ * (only on the first exchange, to be able to test retransmission)
+ */
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+ if( opt.renegotiate && exchanges_left == opt.exchanges )
+ {
+ mbedtls_printf( " . Requestion renegotiation..." );
+ fflush( stdout );
+
+ while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
+ {
+ if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret );
+ goto reset;
+ }
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &client_fd, &timer, ret );
+#else
+ idle( &client_fd, ret );
+#endif
+ }
+ }
+
+ mbedtls_printf( " ok\n" );
+ }
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
+
+#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+ ret = report_cid_usage( &ssl, "after renegotiation" );
+ if( ret != 0 )
+ goto exit;
+#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+
+ /*
+ * 7. Write the 200 Response
+ */
+ mbedtls_printf( " > Write to client:" );
+ fflush( stdout );
+
+ len = sprintf( (char *) buf, HTTP_RESPONSE,
+ mbedtls_ssl_get_ciphersuite( &ssl ) );
+
+ /* Add padding to the response to reach opt.response_size in length */
+ if( opt.response_size != DFL_RESPONSE_SIZE &&
+ len < opt.response_size )
+ {
+ memset( buf + len, 'B', opt.response_size - len );
+ len += opt.response_size - len;
+ }
+
+ /* Truncate if response size is smaller than the "natural" size */
+ if( opt.response_size != DFL_RESPONSE_SIZE &&
+ len > opt.response_size )
+ {
+ len = opt.response_size;
+
+ /* Still end with \r\n unless that's really not possible */
+ if( len >= 2 ) buf[len - 2] = '\r';
+ if( len >= 1 ) buf[len - 1] = '\n';
+ }
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
+ {
+ for( written = 0, frags = 0; written < len; written += ret, frags++ )
+ {
+ while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) )
+ <= 0 )
+ {
+ if( ret == MBEDTLS_ERR_NET_CONN_RESET )
+ {
+ mbedtls_printf( " failed\n ! peer closed the connection\n\n" );
+ goto reset;
+ }
+
+ if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto reset;
+ }
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &client_fd, &timer, ret );
+#else
+ idle( &client_fd, ret );
+#endif
+ }
+ }
+ }
+ }
+ else /* Not stream, so datagram */
+ {
+ while( 1 )
+ {
+ ret = mbedtls_ssl_write( &ssl, buf, len );
+
+ if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+ break;
+
+ /* For event-driven IO, wait for socket to become available */
+ if( opt.event == 1 /* level triggered IO */ )
+ {
+#if defined(MBEDTLS_TIMING_C)
+ idle( &client_fd, &timer, ret );
+#else
+ idle( &client_fd, ret );
+#endif
+ }
+ }
+
+ if( ret < 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
+ goto reset;
+ }
+
+ frags = 1;
+ written = ret;
+ }
+
+ buf[written] = '\0';
+ mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
+ ret = 0;
+
+ /*
+ * 7b. Simulate serialize/deserialize and go back to data exchange
+ */
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ if( opt.serialize != 0 )
+ {
+ size_t buf_len;
+
+ mbedtls_printf( " . Serializing live connection..." );
+
+ ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
+ if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_context_save returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
+ {
+ mbedtls_printf( " failed\n ! Couldn't allocate buffer for "
+ "serialized context" );
+
+ goto exit;
+ }
+ context_buf_len = buf_len;
+
+ if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
+ buf_len, &buf_len ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_context_save returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ mbedtls_printf( " ok\n" );
+
+ /* Save serialized context to the 'opt.context_file' as a base64 code */
+ if( 0 < strlen( opt.context_file ) )
+ {
+ FILE *b64_file;
+ uint8_t *b64_buf;
+ size_t b64_len;
+
+ mbedtls_printf( " . Save serialized context to a file... " );
+
+ mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+
+ if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
+ {
+ mbedtls_printf( "failed\n ! Couldn't allocate buffer for "
+ "the base64 code\n" );
+ goto exit;
+ }
+
+ if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
+ context_buf, buf_len ) ) != 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_base64_encode returned "
+ "-0x%x\n", (unsigned int) -ret );
+ mbedtls_free( b64_buf );
+ goto exit;
+ }
+
+ if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
+ {
+ mbedtls_printf( "failed\n ! Cannot open '%s' for writing.\n",
+ opt.context_file );
+ mbedtls_free( b64_buf );
+ goto exit;
+ }
+
+ if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
+ {
+ mbedtls_printf( "failed\n ! fwrite(%ld bytes) failed\n",
+ (long) b64_len );
+ mbedtls_free( b64_buf );
+ fclose( b64_file );
+ goto exit;
+ }
+
+ mbedtls_free( b64_buf );
+ fclose( b64_file );
+
+ mbedtls_printf( "ok\n" );
+ }
+
+ /*
+ * This simulates a workflow where you have a long-lived server
+ * instance, potentially with a pool of ssl_context objects, and you
+ * just want to re-use one while the connection is inactive: in that
+ * case you can just reset() it, and then it's ready to receive
+ * serialized data from another connection (or the same here).
+ */
+ if( opt.serialize == 1 )
+ {
+ /* nothing to do here, done by context_save() already */
+ mbedtls_printf( " . Context has been reset... ok\n" );
+ }
+
+ /*
+ * This simulates a workflow where you have one server instance per
+ * connection, and want to release it entire when the connection is
+ * inactive, and spawn it again when needed again - this would happen
+ * between ssl_free() and ssl_init() below, together with any other
+ * teardown/startup code needed - for example, preparing the
+ * ssl_config again (see section 3 "setup stuff" in this file).
+ */
+ if( opt.serialize == 2 )
+ {
+ mbedtls_printf( " . Freeing and reinitializing context..." );
+
+ mbedtls_ssl_free( &ssl );
+
+ mbedtls_ssl_init( &ssl );
+
+ if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+ goto exit;
+ }
+
+ /*
+ * This illustrates the minimum amount of things you need to set
+ * up, however you could set up much more if desired, for example
+ * if you want to share your set up code between the case of
+ * establishing a new connection and this case.
+ */
+ if( opt.nbio == 2 )
+ mbedtls_ssl_set_bio( &ssl, &client_fd, delayed_send,
+ delayed_recv, NULL );
+ else
+ mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send,
+ mbedtls_net_recv,
+ opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_ssl_set_timer_cb( &ssl, &timer,
+ mbedtls_timing_set_delay,
+ mbedtls_timing_get_delay );
+#endif /* MBEDTLS_TIMING_C */
+
+ mbedtls_printf( " ok\n" );
+ }
+
+ mbedtls_printf( " . Deserializing connection..." );
+
+ if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
+ buf_len ) ) != 0 )
+ {
+ mbedtls_printf( "failed\n ! mbedtls_ssl_context_load returned "
+ "-0x%x\n\n", (unsigned int) -ret );
+
+ goto exit;
+ }
+
+ mbedtls_free( context_buf );
+ context_buf = NULL;
+ context_buf_len = 0;
+
+ mbedtls_printf( " ok\n" );
+ }
+#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+
+ /*
+ * 7c. Continue doing data exchanges?
+ */
+ if( --exchanges_left > 0 )
+ goto data_exchange;
+
+ /*
+ * 8. Done, cleanly close the connection
+ */
+close_notify:
+ mbedtls_printf( " . Closing the connection..." );
+
+ /* No error checking, the connection might be closed already */
+ do ret = mbedtls_ssl_close_notify( &ssl );
+ while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+ ret = 0;
+
+ mbedtls_printf( " done\n" );
+
+ goto reset;
+
+ /*
+ * Cleanup and exit
+ */
+exit:
+#ifdef MBEDTLS_ERROR_C
+ if( ret != 0 )
+ {
+ char error_buf[100];
+ mbedtls_strerror( ret, error_buf, 100 );
+ mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+ }
+#endif
+
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ {
+ mbedtls_printf( " . Cleaning up..." );
+ fflush( stdout );
+ }
+
+ mbedtls_net_free( &client_fd );
+ mbedtls_net_free( &listen_fd );
+
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+ mbedtls_dhm_free( &dhm );
+#endif
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+ mbedtls_x509_crt_free( &cacert );
+ mbedtls_x509_crt_free( &srvcert );
+ mbedtls_pk_free( &pkey );
+ mbedtls_x509_crt_free( &srvcert2 );
+ mbedtls_pk_free( &pkey2 );
+#endif
+#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+ for( i = 0; (size_t) i < ssl_async_keys.slots_used; i++ )
+ {
+ if( ssl_async_keys.slots[i].pk_owned )
+ {
+ mbedtls_pk_free( ssl_async_keys.slots[i].pk );
+ mbedtls_free( ssl_async_keys.slots[i].pk );
+ ssl_async_keys.slots[i].pk = NULL;
+ }
+ }
+#endif
+#if defined(SNI_OPTION)
+ sni_free( sni_info );
+#endif
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+ ret = psk_free( psk_info );
+ if( ( ret != 0 ) && ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
+ mbedtls_printf( "Failed to list of opaque PSKs - error was %d\n", ret );
+#endif
+#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+ mbedtls_dhm_free( &dhm );
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
+ defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( opt.psk_opaque != 0 )
+ {
+ /* This is ok even if the slot hasn't been
+ * initialized (we might have jumed here
+ * immediately because of bad cmd line params,
+ * for example). */
+ status = psa_destroy_key( psk_slot );
+ if( ( status != PSA_SUCCESS ) &&
+ ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
+ {
+ mbedtls_printf( "Failed to destroy key slot %u - error was %d",
+ (unsigned) psk_slot, (int) status );
+ }
+ }
+#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED &&
+ MBEDTLS_USE_PSA_CRYPTO */
+
+ mbedtls_ssl_free( &ssl );
+ mbedtls_ssl_config_free( &conf );
+ rng_free( &rng );
+
+#if defined(MBEDTLS_SSL_CACHE_C)
+ mbedtls_ssl_cache_free( &cache );
+#endif
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+ mbedtls_ssl_ticket_free( &ticket_ctx );
+#endif
+#if defined(MBEDTLS_SSL_COOKIE_C)
+ mbedtls_ssl_cookie_free( &cookie_ctx );
+#endif
+
+ mbedtls_free( buf );
+
+#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+ if( context_buf != NULL )
+ mbedtls_platform_zeroize( context_buf, context_buf_len );
+ mbedtls_free( context_buf );
+#endif
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ mbedtls_psa_crypto_free( );
+#endif
+
+#if defined(MBEDTLS_TEST_HOOKS)
+ /* Let test hooks detect errors such as resource leaks.
+ * Don't do it in query_config mode, because some test code prints
+ * information to stdout and this gets mixed with the regular output. */
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ {
+ if( test_hooks_failure_detected( ) )
+ {
+ if( ret == 0 )
+ ret = 1;
+ mbedtls_printf( "Test hooks detected errors.\n" );
+ }
+ }
+ test_hooks_free( );
+#endif /* MBEDTLS_TEST_HOOKS */
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#if defined(MBEDTLS_MEMORY_DEBUG)
+ mbedtls_memory_buffer_alloc_status();
+#endif
+ mbedtls_memory_buffer_alloc_free();
+#endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ {
+ mbedtls_printf( " done.\n" );
+
+#if defined(_WIN32)
+ mbedtls_printf( " + Press Enter to exit this program.\n" );
+ fflush( stdout ); getchar();
+#endif
+ }
+
+ // Shell can not handle large exit numbers -> 1 for errors
+ if( ret < 0 )
+ ret = 1;
+
+ if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
+ mbedtls_exit( ret );
+ else
+ mbedtls_exit( query_config_ret );
+}
+#endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_test_common_source.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_common_source.c
new file mode 100644
index 0000000..d9e3607
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_common_source.c
@@ -0,0 +1,305 @@
+/*
+ * Common source code for SSL test programs. This file is included by
+ * both ssl_client2.c and ssl_server2.c and is intended for source
+ * code that is textually identical in both programs, but that cannot be
+ * compiled separately because it refers to types or macros that are
+ * different in the two programs, or because it would have an incomplete
+ * type.
+ *
+ * This file is meant to be #include'd and cannot be compiled separately.
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+int eap_tls_key_derivation( void *p_expkey,
+ const unsigned char *ms,
+ const unsigned char *kb,
+ size_t maclen,
+ size_t keylen,
+ size_t ivlen,
+ const unsigned char client_random[32],
+ const unsigned char server_random[32],
+ mbedtls_tls_prf_types tls_prf_type )
+{
+ eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
+
+ ( ( void ) kb );
+ memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
+ memcpy( keys->randbytes, client_random, 32 );
+ memcpy( keys->randbytes + 32, server_random, 32 );
+ keys->tls_prf_type = tls_prf_type;
+
+ if( opt.debug_level > 2 )
+ {
+ mbedtls_printf("exported maclen is %u\n", (unsigned)maclen);
+ mbedtls_printf("exported keylen is %u\n", (unsigned)keylen);
+ mbedtls_printf("exported ivlen is %u\n", (unsigned)ivlen);
+ }
+ return( 0 );
+}
+
+int nss_keylog_export( void *p_expkey,
+ const unsigned char *ms,
+ const unsigned char *kb,
+ size_t maclen,
+ size_t keylen,
+ size_t ivlen,
+ const unsigned char client_random[32],
+ const unsigned char server_random[32],
+ mbedtls_tls_prf_types tls_prf_type )
+{
+ char nss_keylog_line[ 200 ];
+ size_t const client_random_len = 32;
+ size_t const master_secret_len = 48;
+ size_t len = 0;
+ size_t j;
+ int ret = 0;
+
+ ((void) p_expkey);
+ ((void) kb);
+ ((void) maclen);
+ ((void) keylen);
+ ((void) ivlen);
+ ((void) server_random);
+ ((void) tls_prf_type);
+
+ len += sprintf( nss_keylog_line + len,
+ "%s", "CLIENT_RANDOM " );
+
+ for( j = 0; j < client_random_len; j++ )
+ {
+ len += sprintf( nss_keylog_line + len,
+ "%02x", client_random[j] );
+ }
+
+ len += sprintf( nss_keylog_line + len, " " );
+
+ for( j = 0; j < master_secret_len; j++ )
+ {
+ len += sprintf( nss_keylog_line + len,
+ "%02x", ms[j] );
+ }
+
+ len += sprintf( nss_keylog_line + len, "\n" );
+ nss_keylog_line[ len ] = '\0';
+
+ mbedtls_printf( "\n" );
+ mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
+ mbedtls_printf( "%s", nss_keylog_line );
+ mbedtls_printf( "---------------------------------------------\n" );
+
+ if( opt.nss_keylog_file != NULL )
+ {
+ FILE *f;
+
+ if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
+ {
+ ret = -1;
+ goto exit;
+ }
+
+ if( fwrite( nss_keylog_line, 1, len, f ) != len )
+ {
+ ret = -1;
+ fclose( f );
+ goto exit;
+ }
+
+ fclose( f );
+ }
+
+exit:
+ mbedtls_platform_zeroize( nss_keylog_line,
+ sizeof( nss_keylog_line ) );
+ return( ret );
+}
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+int dtls_srtp_key_derivation( void *p_expkey,
+ const unsigned char *ms,
+ const unsigned char *kb,
+ size_t maclen,
+ size_t keylen,
+ size_t ivlen,
+ const unsigned char client_random[32],
+ const unsigned char server_random[32],
+ mbedtls_tls_prf_types tls_prf_type )
+{
+ dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
+
+ ( ( void ) kb );
+ memcpy( keys->master_secret, ms, sizeof( keys->master_secret ) );
+ memcpy( keys->randbytes, client_random, 32 );
+ memcpy( keys->randbytes + 32, server_random, 32 );
+ keys->tls_prf_type = tls_prf_type;
+
+ if( opt.debug_level > 2 )
+ {
+ mbedtls_printf( "exported maclen is %u\n", (unsigned) maclen );
+ mbedtls_printf( "exported keylen is %u\n", (unsigned) keylen );
+ mbedtls_printf( "exported ivlen is %u\n", (unsigned) ivlen );
+ }
+ return( 0 );
+}
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+int ssl_check_record( mbedtls_ssl_context const *ssl,
+ unsigned char const *buf, size_t len )
+{
+ int ret;
+ unsigned char *tmp_buf;
+
+ /* Record checking may modify the input buffer,
+ * so make a copy. */
+ tmp_buf = mbedtls_calloc( 1, len );
+ if( tmp_buf == NULL )
+ return( MBEDTLS_ERR_SSL_ALLOC_FAILED );
+ memcpy( tmp_buf, buf, len );
+
+ ret = mbedtls_ssl_check_record( ssl, tmp_buf, len );
+ if( ret != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
+ {
+ int ret_repeated;
+
+ /* Test-only: Make sure that mbedtls_ssl_check_record()
+ * doesn't alter state. */
+ memcpy( tmp_buf, buf, len ); /* Restore buffer */
+ ret_repeated = mbedtls_ssl_check_record( ssl, tmp_buf, len );
+ if( ret != ret_repeated )
+ {
+ mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
+ return( -1 );
+ }
+
+ switch( ret )
+ {
+ case 0:
+ break;
+
+ case MBEDTLS_ERR_SSL_INVALID_RECORD:
+ if( opt.debug_level > 1 )
+ mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
+ break;
+
+ case MBEDTLS_ERR_SSL_INVALID_MAC:
+ if( opt.debug_level > 1 )
+ mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
+ break;
+
+ case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
+ if( opt.debug_level > 1 )
+ mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
+ break;
+
+ default:
+ mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret );
+ return( -1 );
+ }
+
+ /* Regardless of the outcome, forward the record to the stack. */
+ }
+
+ mbedtls_free( tmp_buf );
+
+ return( 0 );
+}
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+
+int recv_cb( void *ctx, unsigned char *buf, size_t len )
+{
+ io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+ size_t recv_len;
+ int ret;
+
+ if( opt.nbio == 2 )
+ ret = delayed_recv( io_ctx->net, buf, len );
+ else
+ ret = mbedtls_net_recv( io_ctx->net, buf, len );
+ if( ret < 0 )
+ return( ret );
+ recv_len = (size_t) ret;
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ /* Here's the place to do any datagram/record checking
+ * in between receiving the packet from the underlying
+ * transport and passing it on to the TLS stack. */
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+ if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
+ return( -1 );
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+ }
+
+ return( (int) recv_len );
+}
+
+int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
+ uint32_t timeout )
+{
+ io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+ int ret;
+ size_t recv_len;
+
+ ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
+ if( ret < 0 )
+ return( ret );
+ recv_len = (size_t) ret;
+
+ if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+ {
+ /* Here's the place to do any datagram/record checking
+ * in between receiving the packet from the underlying
+ * transport and passing it on to the TLS stack. */
+#if defined(MBEDTLS_SSL_RECORD_CHECKING)
+ if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
+ return( -1 );
+#endif /* MBEDTLS_SSL_RECORD_CHECKING */
+ }
+
+ return( (int) recv_len );
+}
+
+int send_cb( void *ctx, unsigned char const *buf, size_t len )
+{
+ io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+
+ if( opt.nbio == 2 )
+ return( delayed_send( io_ctx->net, buf, len ) );
+
+ return( mbedtls_net_send( io_ctx->net, buf, len ) );
+}
+
+#if defined(MBEDTLS_X509_CRT_PARSE_C)
+int ssl_sig_hashes_for_test[] = {
+#if defined(MBEDTLS_SHA512_C)
+ MBEDTLS_MD_SHA512,
+ MBEDTLS_MD_SHA384,
+#endif
+#if defined(MBEDTLS_SHA256_C)
+ MBEDTLS_MD_SHA256,
+ MBEDTLS_MD_SHA224,
+#endif
+#if defined(MBEDTLS_SHA1_C)
+ /* Allow SHA-1 as we use it extensively in tests. */
+ MBEDTLS_MD_SHA1,
+#endif
+ MBEDTLS_MD_NONE
+};
+#endif /* MBEDTLS_X509_CRT_PARSE_C */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.c b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.c
new file mode 100644
index 0000000..1bb9d61
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.c
@@ -0,0 +1,357 @@
+/*
+ * Common code library for SSL test programs.
+ *
+ * In addition to the functions in this file, there is shared source code
+ * that cannot be compiled separately in "ssl_test_common_source.c".
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ssl_test_lib.h"
+
+#if defined(MBEDTLS_TEST_HOOKS)
+#include "test/helpers.h"
+#endif
+
+#if !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
+
+void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str )
+{
+ const char *p, *basename;
+
+ /* Extract basename from file */
+ for( p = basename = file; *p != '\0'; p++ )
+ if( *p == '/' || *p == '\\' )
+ basename = p + 1;
+
+ mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s",
+ basename, line, level, str );
+ fflush( (FILE *) ctx );
+}
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+{
+ (void) time;
+ return 0x5af2a056;
+}
+
+#if !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+static int dummy_entropy( void *data, unsigned char *output, size_t len )
+{
+ size_t i;
+ int ret;
+ (void) data;
+
+ ret = mbedtls_entropy_func( data, output, len );
+ for( i = 0; i < len; i++ )
+ {
+ //replace result with pseudo random
+ output[i] = (unsigned char) rand();
+ }
+ return( ret );
+}
+#endif
+
+void rng_init( rng_context_t *rng )
+{
+#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+ (void) rng;
+ psa_crypto_init( );
+#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+ mbedtls_ctr_drbg_init( &rng->drbg );
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+ mbedtls_hmac_drbg_init( &rng->drbg );
+#else
+#error "No DRBG available"
+#endif
+
+ mbedtls_entropy_init( &rng->entropy );
+#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+}
+
+int rng_seed( rng_context_t *rng, int reproducible, const char *pers )
+{
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+ if( reproducible )
+ {
+ mbedtls_fprintf( stderr,
+ "MBEDTLS_USE_PSA_CRYPTO does not support reproducible mode.\n" );
+ return( -1 );
+ }
+#endif
+#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+ /* The PSA crypto RNG does its own seeding. */
+ (void) rng;
+ (void) pers;
+ if( reproducible )
+ {
+ mbedtls_fprintf( stderr,
+ "The PSA RNG does not support reproducible mode.\n" );
+ return( -1 );
+ }
+ return( 0 );
+#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+ int ( *f_entropy )( void *, unsigned char *, size_t ) =
+ ( reproducible ? dummy_entropy : mbedtls_entropy_func );
+
+ if ( reproducible )
+ srand( 1 );
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+ int ret = mbedtls_ctr_drbg_seed( &rng->drbg,
+ f_entropy, &rng->entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) );
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+#if defined(MBEDTLS_SHA256_C)
+ const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
+#elif defined(MBEDTLS_SHA512_C)
+ const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA512;
+#else
+#error "No message digest available for HMAC_DRBG"
+#endif
+ int ret = mbedtls_hmac_drbg_seed( &rng->drbg,
+ mbedtls_md_info_from_type( md_type ),
+ f_entropy, &rng->entropy,
+ (const unsigned char *) pers,
+ strlen( pers ) );
+#else /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
+#error "No DRBG available"
+#endif /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
+
+ if( ret != 0 )
+ {
+ mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
+ (unsigned int) -ret );
+ return( ret );
+ }
+#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+
+ return( 0 );
+}
+
+void rng_free( rng_context_t *rng )
+{
+#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+ (void) rng;
+ /* Deinitialize the PSA crypto subsystem. This deactivates all PSA APIs.
+ * This is ok because none of our applications try to do any crypto after
+ * deinitializing the RNG. */
+ mbedtls_psa_crypto_free( );
+#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+ mbedtls_ctr_drbg_free( &rng->drbg );
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+ mbedtls_hmac_drbg_free( &rng->drbg );
+#else
+#error "No DRBG available"
+#endif
+
+ mbedtls_entropy_free( &rng->entropy );
+#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+}
+
+int rng_get( void *p_rng, unsigned char *output, size_t output_len )
+{
+#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+ (void) p_rng;
+ return( mbedtls_psa_get_random( MBEDTLS_PSA_RANDOM_STATE,
+ output, output_len ) );
+#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+ rng_context_t *rng = p_rng;
+
+#if defined(MBEDTLS_CTR_DRBG_C)
+ return( mbedtls_ctr_drbg_random( &rng->drbg, output, output_len ) );
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+ return( mbedtls_hmac_drbg_random( &rng->drbg, output, output_len ) );
+#else
+#error "No DRBG available"
+#endif
+
+#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+}
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback( void *data, mbedtls_x509_crt const *child,
+ mbedtls_x509_crt **candidates )
+{
+ int ret = 0;
+ mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
+ mbedtls_x509_crt *first;
+
+ /* This is a test-only implementation of the CA callback
+ * which always returns the entire list of trusted certificates.
+ * Production implementations managing a large number of CAs
+ * should use an efficient presentation and lookup for the
+ * set of trusted certificates (such as a hashtable) and only
+ * return those trusted certificates which satisfy basic
+ * parental checks, such as the matching of child `Issuer`
+ * and parent `Subject` field or matching key identifiers. */
+ ((void) child);
+
+ first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
+ if( first == NULL )
+ {
+ ret = -1;
+ goto exit;
+ }
+ mbedtls_x509_crt_init( first );
+
+ if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
+ {
+ ret = -1;
+ goto exit;
+ }
+
+ while( ca->next != NULL )
+ {
+ ca = ca->next;
+ if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
+ {
+ ret = -1;
+ goto exit;
+ }
+ }
+
+exit:
+
+ if( ret != 0 )
+ {
+ mbedtls_x509_crt_free( first );
+ mbedtls_free( first );
+ first = NULL;
+ }
+
+ *candidates = first;
+ return( ret );
+}
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+int delayed_recv( void *ctx, unsigned char *buf, size_t len )
+{
+ static int first_try = 1;
+ int ret;
+
+ if( first_try )
+ {
+ first_try = 0;
+ return( MBEDTLS_ERR_SSL_WANT_READ );
+ }
+
+ ret = mbedtls_net_recv( ctx, buf, len );
+ if( ret != MBEDTLS_ERR_SSL_WANT_READ )
+ first_try = 1; /* Next call will be a new operation */
+ return( ret );
+}
+
+int delayed_send( void *ctx, const unsigned char *buf, size_t len )
+{
+ static int first_try = 1;
+ int ret;
+
+ if( first_try )
+ {
+ first_try = 0;
+ return( MBEDTLS_ERR_SSL_WANT_WRITE );
+ }
+
+ ret = mbedtls_net_send( ctx, buf, len );
+ if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+ first_try = 1; /* Next call will be a new operation */
+ return( ret );
+}
+
+#if !defined(MBEDTLS_TIMING_C)
+int idle( mbedtls_net_context *fd,
+ int idle_reason )
+#else
+int idle( mbedtls_net_context *fd,
+ mbedtls_timing_delay_context *timer,
+ int idle_reason )
+#endif
+{
+ int ret;
+ int poll_type = 0;
+
+ if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
+ poll_type = MBEDTLS_NET_POLL_WRITE;
+ else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
+ poll_type = MBEDTLS_NET_POLL_READ;
+#if !defined(MBEDTLS_TIMING_C)
+ else
+ return( 0 );
+#endif
+
+ while( 1 )
+ {
+ /* Check if timer has expired */
+#if defined(MBEDTLS_TIMING_C)
+ if( timer != NULL &&
+ mbedtls_timing_get_delay( timer ) == 2 )
+ {
+ break;
+ }
+#endif /* MBEDTLS_TIMING_C */
+
+ /* Check if underlying transport became available */
+ if( poll_type != 0 )
+ {
+ ret = mbedtls_net_poll( fd, poll_type, 0 );
+ if( ret < 0 )
+ return( ret );
+ if( ret == poll_type )
+ break;
+ }
+ }
+
+ return( 0 );
+}
+
+#if defined(MBEDTLS_TEST_HOOKS)
+
+void test_hooks_init( void )
+{
+ mbedtls_test_info_reset( );
+
+#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+ mbedtls_test_mutex_usage_init( );
+#endif
+}
+
+int test_hooks_failure_detected( void )
+{
+#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+ /* Errors are reported via mbedtls_test_info. */
+ mbedtls_test_mutex_usage_check( );
+#endif
+
+ if( mbedtls_test_info.result != MBEDTLS_TEST_RESULT_SUCCESS )
+ return( 1 );
+ return( 0 );
+}
+
+void test_hooks_free( void )
+{
+}
+
+#endif /* MBEDTLS_TEST_HOOKS */
+
+#endif /* !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) */
diff --git a/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.h b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.h
new file mode 100644
index 0000000..98751a0
--- /dev/null
+++ b/lib/mbedtls-2.27.0/programs/ssl/ssl_test_lib.h
@@ -0,0 +1,294 @@
+/*
+ * Common code for SSL test programs
+ *
+ * Copyright The Mbed TLS Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
+#define MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdio.h>
+#include <stdlib.h>
+#define mbedtls_calloc calloc
+#define mbedtls_free free
+#define mbedtls_time time
+#define mbedtls_time_t time_t
+#define mbedtls_printf printf
+#define mbedtls_fprintf fprintf
+#define mbedtls_snprintf snprintf
+#define mbedtls_exit exit
+#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
+#endif
+
+#undef HAVE_RNG
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) && \
+ ( defined(MBEDTLS_USE_PSA_CRYPTO) || \
+ defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) )
+#define HAVE_RNG
+#elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C)
+#define HAVE_RNG
+#elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_HMAC_DRBG_C) && \
+ ( defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C) )
+#define HAVE_RNG
+#endif
+
+#if !defined(MBEDTLS_NET_C) || \
+ !defined(MBEDTLS_SSL_TLS_C) || \
+ defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
+#define MBEDTLS_SSL_TEST_IMPOSSIBLE \
+ "MBEDTLS_NET_C and/or " \
+ "MBEDTLS_SSL_TLS_C not defined, " \
+ "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n"
+#elif !defined(HAVE_RNG)
+#define MBEDTLS_SSL_TEST_IMPOSSIBLE \
+ "No random generator is available.\n"
+#else
+#undef MBEDTLS_SSL_TEST_IMPOSSIBLE
+
+#undef HAVE_RNG
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mbedtls/net_sockets.h"
+#include "mbedtls/ssl.h"
+#include "mbedtls/entropy.h"
+#include "mbedtls/ctr_drbg.h"
+#include "mbedtls/hmac_drbg.h"
+#include "mbedtls/certs.h"
+#include "mbedtls/x509.h"
+#include "mbedtls/error.h"
+#include "mbedtls/debug.h"
+#include "mbedtls/timing.h"
+#include "mbedtls/base64.h"
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+#include "psa/crypto.h"
+#include "mbedtls/psa_util.h"
+#endif
+
+#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#include "mbedtls/memory_buffer_alloc.h"
+#endif
+
+#include <test/helpers.h>
+
+#include "../test/query_config.h"
+
+#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+
+typedef struct eap_tls_keys
+{
+ unsigned char master_secret[48];
+ unsigned char randbytes[64];
+ mbedtls_tls_prf_types tls_prf_type;
+} eap_tls_keys;
+
+#if defined( MBEDTLS_SSL_DTLS_SRTP )
+
+/* Supported SRTP mode needs a maximum of :
+ * - 16 bytes for key (AES-128)
+ * - 14 bytes SALT
+ * One for sender, one for receiver context
+ */
+#define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH 60
+
+typedef struct dtls_srtp_keys
+{
+ unsigned char master_secret[48];
+ unsigned char randbytes[64];
+ mbedtls_tls_prf_types tls_prf_type;
+} dtls_srtp_keys;
+
+#endif /* MBEDTLS_SSL_DTLS_SRTP */
+
+#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+
+typedef struct
+{
+ mbedtls_ssl_context *ssl;
+ mbedtls_net_context *net;
+} io_ctx_t;
+
+void my_debug( void *ctx, int level,
+ const char *file, int line,
+ const char *str );
+
+mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO)
+/* If MBEDTLS_TEST_USE_PSA_CRYPTO_RNG is defined, the SSL test programs will use
+ * mbedtls_psa_get_random() rather than entropy+DRBG as a random generator.
+ *
+ * The constraints are:
+ * - Without the entropy module, the PSA RNG is the only option.
+ * - Without at least one of the DRBG modules, the PSA RNG is the only option.
+ * - The PSA RNG does not support explicit seeding, so it is incompatible with
+ * the reproducible mode used by test programs.
+ * - For good overall test coverage, there should be at least one configuration
+ * where the test programs use the PSA RNG while the PSA RNG is itself based
+ * on entropy+DRBG, and at least one configuration where the test programs
+ * do not use the PSA RNG even though it's there.
+ *
+ * A simple choice that meets the constraints is to use the PSA RNG whenever
+ * MBEDTLS_USE_PSA_CRYPTO is enabled. There's no real technical reason the
+ * choice to use the PSA RNG in the test programs and the choice to use
+ * PSA crypto when TLS code needs crypto have to be tied together, but it
+ * happens to be a good match. It's also a good match from an application
+ * perspective: either PSA is preferred for TLS (both for crypto and for
+ * random generation) or it isn't.
+ */
+#define MBEDTLS_TEST_USE_PSA_CRYPTO_RNG
+#endif
+
+/** A context for random number generation (RNG).
+ */
+typedef struct
+{
+#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+ unsigned char dummy;
+#else /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+ mbedtls_entropy_context entropy;
+#if defined(MBEDTLS_CTR_DRBG_C)
+ mbedtls_ctr_drbg_context drbg;
+#elif defined(MBEDTLS_HMAC_DRBG_C)
+ mbedtls_hmac_drbg_context drbg;
+#else
+#error "No DRBG available"
+#endif
+#endif /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+} rng_context_t;
+
+/** Initialize the RNG.
+ *
+ * This function only initializes the memory used by the RNG context.
+ * Before using the RNG, it must be seeded with rng_seed().
+ */
+void rng_init( rng_context_t *rng );
+
+/* Seed the random number generator.
+ *
+ * \param rng The RNG context to use. It must have been initialized
+ * with rng_init().
+ * \param reproducible If zero, seed the RNG from entropy.
+ * If nonzero, use a fixed seed, so that the program
+ * will produce the same sequence of random numbers
+ * each time it is invoked.
+ * \param pers A null-terminated string. Different values for this
+ * string cause the RNG to emit different output for
+ * the same seed.
+ *
+ * return 0 on success, a negative value on error.
+ */
+int rng_seed( rng_context_t *rng, int reproducible, const char *pers );
+
+/** Deinitialize the RNG. Free any embedded resource.
+ *
+ * \param rng The RNG context to deinitialize. It must have been
+ * initialized with rng_init().
+ */
+void rng_free( rng_context_t *rng );
+
+/** Generate random data.
+ *
+ * This function is suitable for use as the \c f_rng argument to Mbed TLS
+ * library functions.
+ *
+ * \param p_rng The random generator context. This must be a pointer to
+ * a #rng_context_t structure.
+ * \param output The buffer to fill.
+ * \param output_len The length of the buffer in bytes.
+ *
+ * \return \c 0 on success.
+ * \return An Mbed TLS error code on error.
+ */
+int rng_get( void *p_rng, unsigned char *output, size_t output_len );
+
+#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+/* The test implementation of the PSA external RNG is insecure. When
+ * MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled, before using any PSA crypto
+ * function that makes use of an RNG, you must call
+ * mbedtls_test_enable_insecure_external_rng(). */
+#include <test/fake_external_rng_for_test.h>
+#endif
+
+#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback( void *data, mbedtls_x509_crt const *child,
+ mbedtls_x509_crt **candidates );
+#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+
+/*
+ * Test recv/send functions that make sure each try returns
+ * WANT_READ/WANT_WRITE at least once before sucesseding
+ */
+int delayed_recv( void *ctx, unsigned char *buf, size_t len );
+int delayed_send( void *ctx, const unsigned char *buf, size_t len );
+
+/*
+ * Wait for an event from the underlying transport or the timer
+ * (Used in event-driven IO mode).
+ */
+int idle( mbedtls_net_context *fd,
+#if defined(MBEDTLS_TIMING_C)
+ mbedtls_timing_delay_context *timer,
+#endif
+ int idle_reason );
+
+#if defined(MBEDTLS_TEST_HOOKS)
+/** Initialize whatever test hooks are enabled by the compile-time
+ * configuration and make sense for the TLS test programs. */
+void test_hooks_init( void );
+
+/** Check if any test hooks detected a problem.
+ *
+ * If a problem was detected, it's ok for the calling program to keep going,
+ * but it should ultimately exit with an error status.
+ *
+ * \note When implementing a test hook that detects errors on its own
+ * (as opposed to e.g. leaving the error for a memory sanitizer to
+ * report), make sure to print a message to standard error either at
+ * the time the problem is detected or during the execution of this
+ * function. This function does not indicate what problem was detected,
+ * so printing a message is the only way to provide feedback in the
+ * logs of the calling program.
+ *
+ * \return Nonzero if a problem was detected.
+ * \c 0 if no problem was detected.
+ */
+int test_hooks_failure_detected( void );
+
+/** Free any resources allocated for the sake of test hooks.
+ *
+ * Call this at the end of the program so that resource leak analyzers
+ * don't complain.
+ */
+void test_hooks_free( void );
+
+#endif /* !MBEDTLS_TEST_HOOKS */
+
+#endif /* MBEDTLS_SSL_TEST_IMPOSSIBLE conditions: else */
+#endif /* MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H */