diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/ssl/ssl_client2.c | 3081 |
1 files changed, 3081 insertions, 0 deletions
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 */ |