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Diffstat (limited to 'lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c')
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/ssl_pthread_server.c533
1 files changed, 533 insertions, 0 deletions
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 */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 00:06:11 +0000