ssl_client2.c (129855B)
1 /* 2 * SSL client with certificate authentication 3 * 4 * Copyright The Mbed TLS Contributors 5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later 6 */ 7 8 #define MBEDTLS_ALLOW_PRIVATE_ACCESS 9 10 #include "ssl_test_lib.h" 11 12 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) 13 #include "test/psa_crypto_helpers.h" 14 #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ 15 16 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) 17 int main(void) 18 { 19 mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE); 20 mbedtls_exit(0); 21 } 22 #elif !defined(MBEDTLS_SSL_CLI_C) 23 int main(void) 24 { 25 mbedtls_printf("MBEDTLS_SSL_CLI_C not defined.\n"); 26 mbedtls_exit(0); 27 } 28 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */ 29 30 /* Size of memory to be allocated for the heap, when using the library's memory 31 * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */ 32 #define MEMORY_HEAP_SIZE 120000 33 34 #define MAX_REQUEST_SIZE 20000 35 #define MAX_REQUEST_SIZE_STR "20000" 36 37 #define DFL_SERVER_NAME "localhost" 38 #define DFL_SERVER_ADDR NULL 39 #define DFL_SERVER_PORT "4433" 40 #define DFL_REQUEST_PAGE "/" 41 #define DFL_REQUEST_SIZE -1 42 #define DFL_DEBUG_LEVEL 0 43 #define DFL_CONTEXT_CRT_CB 0 44 #define DFL_NBIO 0 45 #define DFL_EVENT 0 46 #define DFL_READ_TIMEOUT 0 47 #define DFL_MAX_RESEND 0 48 #define DFL_CA_FILE "" 49 #define DFL_CA_PATH "" 50 #define DFL_CRT_FILE "" 51 #define DFL_KEY_FILE "" 52 #define DFL_KEY_OPAQUE 0 53 #define DFL_KEY_PWD "" 54 #define DFL_PSK "" 55 #define DFL_EARLY_DATA -1 56 #define DFL_PSK_OPAQUE 0 57 #define DFL_PSK_IDENTITY "Client_identity" 58 #define DFL_ECJPAKE_PW NULL 59 #define DFL_ECJPAKE_PW_OPAQUE 0 60 #define DFL_EC_MAX_OPS -1 61 #define DFL_FORCE_CIPHER 0 62 #define DFL_TLS1_3_KEX_MODES MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL 63 #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED 64 #define DFL_ALLOW_LEGACY -2 65 #define DFL_RENEGOTIATE 0 66 #define DFL_EXCHANGES 1 67 #define DFL_MIN_VERSION -1 68 #define DFL_MAX_VERSION -1 69 #define DFL_SHA1 -1 70 #define DFL_AUTH_MODE -1 71 #define DFL_SET_HOSTNAME 1 72 #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE 73 #define DFL_TRUNC_HMAC -1 74 #define DFL_RECSPLIT -1 75 #define DFL_DHMLEN -1 76 #define DFL_RECONNECT 0 77 #define DFL_RECO_SERVER_NAME NULL 78 #define DFL_RECO_DELAY 0 79 #define DFL_RECO_MODE 1 80 #define DFL_RENEGO_DELAY -2 81 #define DFL_CID_ENABLED 0 82 #define DFL_CID_VALUE "" 83 #define DFL_CID_ENABLED_RENEGO -1 84 #define DFL_CID_VALUE_RENEGO NULL 85 #define DFL_RECONNECT_HARD 0 86 #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED 87 #define DFL_NEW_SESSION_TICKETS -1 88 #define DFL_ALPN_STRING NULL 89 #define DFL_GROUPS NULL 90 #define DFL_SIG_ALGS NULL 91 #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM 92 #define DFL_HS_TO_MIN 0 93 #define DFL_HS_TO_MAX 0 94 #define DFL_DTLS_MTU -1 95 #define DFL_DGRAM_PACKING 1 96 #define DFL_FALLBACK -1 97 #define DFL_EXTENDED_MS -1 98 #define DFL_ETM -1 99 #define DFL_SERIALIZE 0 100 #define DFL_CONTEXT_FILE "" 101 #define DFL_EXTENDED_MS_ENFORCE -1 102 #define DFL_CA_CALLBACK 0 103 #define DFL_EAP_TLS 0 104 #define DFL_REPRODUCIBLE 0 105 #define DFL_NSS_KEYLOG 0 106 #define DFL_NSS_KEYLOG_FILE NULL 107 #define DFL_SKIP_CLOSE_NOTIFY 0 108 #define DFL_EXP_LABEL NULL 109 #define DFL_EXP_LEN 20 110 #define DFL_QUERY_CONFIG_MODE 0 111 #define DFL_USE_SRTP 0 112 #define DFL_SRTP_FORCE_PROFILE 0 113 #define DFL_SRTP_MKI "" 114 #define DFL_KEY_OPAQUE_ALG "none" 115 116 #define GET_REQUEST "GET %s HTTP/1.0\r\nHost: %s\r\nExtra-header: " 117 #define GET_REQUEST_END "\r\n\r\n" 118 119 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 120 #define USAGE_CONTEXT_CRT_CB \ 121 " context_crt_cb=%%d This determines whether the CRT verification callback is bound\n" \ 122 " to the SSL configuration of the SSL context.\n" \ 123 " Possible values:\n" \ 124 " - 0 (default): Use CRT callback bound to configuration\n" \ 125 " - 1: Use CRT callback bound to SSL context\n" 126 #else 127 #define USAGE_CONTEXT_CRT_CB "" 128 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 129 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 130 #if defined(MBEDTLS_FS_IO) 131 #define USAGE_IO \ 132 " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \ 133 " default: \"\" (pre-loaded)\n" \ 134 " use \"none\" to skip loading any top-level CAs.\n" \ 135 " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \ 136 " default: \"\" (pre-loaded) (overrides ca_file)\n" \ 137 " use \"none\" to skip loading any top-level CAs.\n" \ 138 " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \ 139 " default: \"\" (pre-loaded)\n" \ 140 " key_file=%%s default: \"\" (pre-loaded)\n" \ 141 " key_pwd=%%s Password for key specified by key_file argument\n" \ 142 " default: none\n" 143 #else 144 #define USAGE_IO \ 145 " No file operations available (MBEDTLS_FS_IO not defined)\n" 146 #endif /* MBEDTLS_FS_IO */ 147 #else /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 148 #define USAGE_IO "" 149 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 150 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 151 #define USAGE_KEY_OPAQUE \ 152 " key_opaque=%%d Handle your private key as if it were opaque\n" \ 153 " default: 0 (disabled)\n" 154 #else 155 #define USAGE_KEY_OPAQUE "" 156 #endif 157 158 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 159 #define USAGE_CID \ 160 " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \ 161 " default: 0 (disabled)\n" \ 162 " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \ 163 " default: same as 'cid' parameter\n" \ 164 " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \ 165 " default: \"\"\n" \ 166 " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \ 167 " default: same as 'cid_val' parameter\n" 168 #else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 169 #define USAGE_CID "" 170 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 171 172 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 173 #define USAGE_PSK_RAW \ 174 " psk=%%s default: \"\" (disabled)\n" \ 175 " The PSK values are in hex, without 0x.\n" \ 176 " psk_identity=%%s default: \"Client_identity\"\n" 177 #if defined(MBEDTLS_USE_PSA_CRYPTO) 178 #define USAGE_PSK_SLOT \ 179 " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \ 180 " Enable this to store the PSK configured through command line\n" \ 181 " parameter `psk` in a PSA-based key slot.\n" \ 182 " Note: Currently only supported in conjunction with\n" \ 183 " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \ 184 " to force a particular PSK-only ciphersuite.\n" \ 185 " Note: This is to test integration of PSA-based opaque PSKs with\n" \ 186 " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \ 187 " with prepopulated key slots instead of importing raw key material.\n" 188 #else 189 #define USAGE_PSK_SLOT "" 190 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 191 #define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT 192 #else 193 #define USAGE_PSK "" 194 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ 195 196 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) 197 #define USAGE_CA_CALLBACK \ 198 " ca_callback=%%d default: 0 (disabled)\n" \ 199 " Enable this to use the trusted certificate callback function\n" 200 #else 201 #define USAGE_CA_CALLBACK "" 202 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */ 203 204 #if defined(MBEDTLS_SSL_SESSION_TICKETS) 205 #define USAGE_TICKETS \ 206 " tickets=%%d default: 1 (enabled)\n" \ 207 " new_session_tickets=%%d default: (library default: disabled)\n" 208 #else 209 #define USAGE_TICKETS "" 210 #endif /* MBEDTLS_SSL_SESSION_TICKETS */ 211 212 #define USAGE_EAP_TLS \ 213 " eap_tls=%%d default: 0 (disabled)\n" 214 #define USAGE_NSS_KEYLOG \ 215 " nss_keylog=%%d default: 0 (disabled)\n" \ 216 " This cannot be used with eap_tls=1\n" 217 #define USAGE_NSS_KEYLOG_FILE \ 218 " nss_keylog_file=%%s\n" 219 #if defined(MBEDTLS_SSL_DTLS_SRTP) 220 #define USAGE_SRTP \ 221 " use_srtp=%%d default: 0 (disabled)\n" \ 222 " This cannot be used with eap_tls=1 or " \ 223 " nss_keylog=1\n" \ 224 " srtp_force_profile=%%d default: 0 (all enabled)\n" \ 225 " available profiles:\n" \ 226 " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \ 227 " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \ 228 " 3 - SRTP_NULL_HMAC_SHA1_80\n" \ 229 " 4 - SRTP_NULL_HMAC_SHA1_32\n" \ 230 " mki=%%s default: \"\" (in hex, without 0x)\n" 231 #else /* MBEDTLS_SSL_DTLS_SRTP */ 232 #define USAGE_SRTP "" 233 #endif 234 235 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) 236 #define USAGE_MAX_FRAG_LEN \ 237 " max_frag_len=%%d default: 16384 (tls default)\n" \ 238 " options: 512, 1024, 2048, 4096\n" 239 #else 240 #define USAGE_MAX_FRAG_LEN "" 241 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ 242 243 #if defined(MBEDTLS_DHM_C) 244 #define USAGE_DHMLEN \ 245 " dhmlen=%%d default: (library default: 1024 bits)\n" 246 #else 247 #define USAGE_DHMLEN 248 #endif 249 250 #if defined(MBEDTLS_SSL_ALPN) 251 #define USAGE_ALPN \ 252 " alpn=%%s default: \"\" (disabled)\n" \ 253 " example: spdy/1,http/1.1\n" 254 #else 255 #define USAGE_ALPN "" 256 #endif /* MBEDTLS_SSL_ALPN */ 257 258 #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \ 259 (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \ 260 defined(PSA_WANT_ALG_FFDH)) 261 #define USAGE_GROUPS \ 262 " groups=a,b,c,d default: \"default\" (library default)\n" \ 263 " example: \"secp521r1,brainpoolP512r1\"\n" \ 264 " - use \"none\" for empty list\n" \ 265 " - see mbedtls_ecp_curve_list()\n" \ 266 " for acceptable EC group names\n" \ 267 " - the following ffdh groups are supported:\n" \ 268 " ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144,\n" \ 269 " ffdhe8192\n" 270 #else 271 #define USAGE_GROUPS "" 272 #endif 273 274 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 275 #define USAGE_SIG_ALGS \ 276 " sig_algs=a,b,c,d default: \"default\" (library default)\n" \ 277 " example: \"ecdsa_secp256r1_sha256,ecdsa_secp384r1_sha384\"\n" 278 #else 279 #define USAGE_SIG_ALGS "" 280 #endif 281 282 #if defined(MBEDTLS_SSL_PROTO_DTLS) 283 #define USAGE_DTLS \ 284 " dtls=%%d default: 0 (TLS)\n" \ 285 " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \ 286 " range of DTLS handshake timeouts in millisecs\n" \ 287 " mtu=%%d default: (library default: unlimited)\n" \ 288 " dgram_packing=%%d default: 1 (allowed)\n" \ 289 " allow or forbid packing of multiple\n" \ 290 " records within a single datgram.\n" 291 #else 292 #define USAGE_DTLS "" 293 #endif 294 295 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) 296 #define USAGE_EMS \ 297 " extended_ms=0/1 default: (library default: on)\n" 298 #else 299 #define USAGE_EMS "" 300 #endif 301 302 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) 303 #define USAGE_ETM \ 304 " etm=0/1 default: (library default: on)\n" 305 #else 306 #define USAGE_ETM "" 307 #endif 308 309 #define USAGE_REPRODUCIBLE \ 310 " reproducible=0/1 default: 0 (disabled)\n" 311 312 #if defined(MBEDTLS_SSL_RENEGOTIATION) 313 #define USAGE_RENEGO \ 314 " renegotiation=%%d default: 0 (disabled)\n" \ 315 " renegotiate=%%d default: 0 (disabled)\n" \ 316 " renego_delay=%%d default: -2 (library default)\n" 317 #else 318 #define USAGE_RENEGO "" 319 #endif 320 321 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) 322 #if defined(MBEDTLS_USE_PSA_CRYPTO) 323 #define USAGE_ECJPAKE \ 324 " ecjpake_pw=%%s default: none (disabled)\n" \ 325 " ecjpake_pw_opaque=%%d default: 0 (disabled)\n" 326 #else /* MBEDTLS_USE_PSA_CRYPTO */ 327 #define USAGE_ECJPAKE \ 328 " ecjpake_pw=%%s default: none (disabled)\n" 329 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 330 #else /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ 331 #define USAGE_ECJPAKE "" 332 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ 333 334 #if defined(MBEDTLS_ECP_RESTARTABLE) 335 #define USAGE_ECRESTART \ 336 " ec_max_ops=%%s default: library default (restart disabled)\n" 337 #else 338 #define USAGE_ECRESTART "" 339 #endif 340 341 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) 342 #define USAGE_SERIALIZATION \ 343 " serialize=%%d default: 0 (do not serialize/deserialize)\n" \ 344 " options: 1 (serialize)\n" \ 345 " 2 (serialize with re-initialization)\n" \ 346 " context_file=%%s The file path to write a serialized connection\n" \ 347 " in the form of base64 code (serialize option\n" \ 348 " must be set)\n" \ 349 " default: \"\" (do nothing)\n" \ 350 " option: a file path\n" 351 #else 352 #define USAGE_SERIALIZATION "" 353 #endif 354 355 #if defined(MBEDTLS_SSL_EARLY_DATA) 356 #define USAGE_EARLY_DATA \ 357 " early_data=%%d default: library default\n" \ 358 " options: 0 (disabled), 1 (enabled)\n" 359 #else 360 #define USAGE_EARLY_DATA "" 361 #endif /* MBEDTLS_SSL_EARLY_DATA && MBEDTLS_SSL_PROTO_TLS1_3 */ 362 363 #define USAGE_KEY_OPAQUE_ALGS \ 364 " key_opaque_algs=%%s Allowed opaque key algorithms.\n" \ 365 " comma-separated pair of values among the following:\n" \ 366 " rsa-sign-pkcs1, rsa-sign-pss, rsa-sign-pss-sha256,\n" \ 367 " rsa-sign-pss-sha384, rsa-sign-pss-sha512, rsa-decrypt,\n" \ 368 " ecdsa-sign, ecdh, none (only acceptable for\n" \ 369 " the second value).\n" \ 370 371 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 372 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \ 373 " tls13_kex_modes=%%s default: all\n" \ 374 " options: psk, psk_ephemeral, psk_all, ephemeral,\n" \ 375 " ephemeral_all, all, psk_or_ephemeral\n" 376 #else 377 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES "" 378 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 379 380 #if defined(MBEDTLS_SSL_KEYING_MATERIAL_EXPORT) 381 #define USAGE_EXPORT \ 382 " exp_label=%%s Label to input into TLS-Exporter\n" \ 383 " default: None (don't try to export a key)\n" \ 384 " exp_len=%%d Length of key to extract from TLS-Exporter \n" \ 385 " default: 20\n" 386 #else 387 #define USAGE_EXPORT "" 388 #endif /* defined(MBEDTLS_SSL_KEYING_MATERIAL_EXPORT) */ 389 390 /* USAGE is arbitrarily split to stay under the portable string literal 391 * length limit: 4095 bytes in C99. */ 392 #define USAGE1 \ 393 "\n usage: ssl_client2 param=<>...\n" \ 394 "\n acceptable parameters:\n" \ 395 " server_name=%%s default: localhost\n" \ 396 " server_addr=%%s default: given by name\n" \ 397 " server_port=%%d default: 4433\n" \ 398 " request_page=%%s default: \".\"\n" \ 399 " request_size=%%d default: about 34 (basic request)\n" \ 400 " (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \ 401 " If 0, in the first exchange only an empty\n" \ 402 " application data message is sent followed by\n" \ 403 " a second non-empty message before attempting\n" \ 404 " to read a response from the server\n" \ 405 " debug_level=%%d default: 0 (disabled)\n" \ 406 " build_version=%%d default: none (disabled)\n" \ 407 " option: 1 (print build version only and stop)\n" \ 408 " nbio=%%d default: 0 (blocking I/O)\n" \ 409 " options: 1 (non-blocking), 2 (added delays)\n" \ 410 " event=%%d default: 0 (loop)\n" \ 411 " options: 1 (level-triggered, implies nbio=1),\n" \ 412 " read_timeout=%%d default: 0 ms (no timeout)\n" \ 413 " max_resend=%%d default: 0 (no resend on timeout)\n" \ 414 " skip_close_notify=%%d default: 0 (send close_notify)\n" \ 415 "\n" \ 416 USAGE_DTLS \ 417 USAGE_CID \ 418 USAGE_SRTP \ 419 "\n" 420 #define USAGE2 \ 421 " auth_mode=%%s default: (library default: none)\n" \ 422 " options: none, optional, required\n" \ 423 " set_hostname=%%s call mbedtls_ssl_set_hostname()?" \ 424 " options: no, server_name, NULL\n" \ 425 " default: server_name (but ignored if certs disabled)\n" \ 426 USAGE_IO \ 427 USAGE_KEY_OPAQUE \ 428 USAGE_CA_CALLBACK \ 429 "\n" \ 430 USAGE_PSK \ 431 USAGE_ECJPAKE \ 432 USAGE_ECRESTART \ 433 "\n" 434 #define USAGE3 \ 435 " allow_legacy=%%d default: (library default: no)\n" \ 436 USAGE_RENEGO \ 437 " exchanges=%%d default: 1\n" \ 438 " reconnect=%%d number of reconnections using session resumption\n" \ 439 " default: 0 (disabled)\n" \ 440 " reco_server_name=%%s default: NULL\n" \ 441 " reco_delay=%%d default: 0 milliseconds\n" \ 442 " reco_mode=%%d 0: copy session, 1: serialize session\n" \ 443 " default: 1\n" \ 444 " reconnect_hard=%%d default: 0 (disabled)\n" \ 445 USAGE_TICKETS \ 446 USAGE_EAP_TLS \ 447 USAGE_MAX_FRAG_LEN \ 448 USAGE_CONTEXT_CRT_CB \ 449 USAGE_ALPN \ 450 USAGE_EMS \ 451 USAGE_ETM \ 452 USAGE_REPRODUCIBLE \ 453 USAGE_GROUPS \ 454 USAGE_SIG_ALGS \ 455 USAGE_EARLY_DATA \ 456 USAGE_DHMLEN \ 457 USAGE_KEY_OPAQUE_ALGS \ 458 "\n" 459 460 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 461 #define TLS1_3_VERSION_OPTIONS ", tls13" 462 #else /* MBEDTLS_SSL_PROTO_TLS1_3 */ 463 #define TLS1_3_VERSION_OPTIONS "" 464 #endif /* !MBEDTLS_SSL_PROTO_TLS1_3 */ 465 466 #define USAGE4 \ 467 " allow_sha1=%%d default: 0\n" \ 468 " min_version=%%s default: (library default: tls12)\n" \ 469 " max_version=%%s default: (library default: tls12)\n" \ 470 " force_version=%%s default: \"\" (none)\n" \ 471 " options: tls12, dtls12" TLS1_3_VERSION_OPTIONS \ 472 "\n\n" \ 473 " force_ciphersuite=<name> default: all enabled\n" \ 474 USAGE_TLS1_3_KEY_EXCHANGE_MODES \ 475 " query_config=<name> return 0 if the specified\n" \ 476 " configuration macro is defined and 1\n" \ 477 " otherwise. The expansion of the macro\n" \ 478 " is printed if it is defined\n" \ 479 USAGE_SERIALIZATION \ 480 USAGE_EXPORT \ 481 "\n" 482 483 /* 484 * global options 485 */ 486 struct options { 487 const char *server_name; /* hostname of the server (client only) */ 488 const char *server_addr; /* address of the server (client only) */ 489 const char *server_port; /* port on which the ssl service runs */ 490 int debug_level; /* level of debugging */ 491 int nbio; /* should I/O be blocking? */ 492 int event; /* loop or event-driven IO? level or edge triggered? */ 493 uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ 494 int max_resend; /* DTLS times to resend on read timeout */ 495 const char *request_page; /* page on server to request */ 496 int request_size; /* pad request with header to requested size */ 497 const char *ca_file; /* the file with the CA certificate(s) */ 498 const char *ca_path; /* the path with the CA certificate(s) reside */ 499 const char *crt_file; /* the file with the client certificate */ 500 const char *key_file; /* the file with the client key */ 501 int key_opaque; /* handle private key as if it were opaque */ 502 #if defined(MBEDTLS_USE_PSA_CRYPTO) 503 int psk_opaque; 504 #endif 505 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) 506 int ca_callback; /* Use callback for trusted certificate list */ 507 #endif 508 const char *key_pwd; /* the password for the client key */ 509 const char *psk; /* the pre-shared key */ 510 const char *psk_identity; /* the pre-shared key identity */ 511 const char *ecjpake_pw; /* the EC J-PAKE password */ 512 #if defined(MBEDTLS_USE_PSA_CRYPTO) 513 int ecjpake_pw_opaque; /* set to 1 to use the opaque method for setting the password */ 514 #endif 515 int ec_max_ops; /* EC consecutive operations limit */ 516 int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ 517 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 518 int tls13_kex_modes; /* supported TLS 1.3 key exchange modes */ 519 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 520 int renegotiation; /* enable / disable renegotiation */ 521 int allow_legacy; /* allow legacy renegotiation */ 522 int renegotiate; /* attempt renegotiation? */ 523 int renego_delay; /* delay before enforcing renegotiation */ 524 int exchanges; /* number of data exchanges */ 525 int min_version; /* minimum protocol version accepted */ 526 int max_version; /* maximum protocol version accepted */ 527 int allow_sha1; /* flag for SHA-1 support */ 528 int auth_mode; /* verify mode for connection */ 529 int set_hostname; /* call mbedtls_ssl_set_hostname()? */ 530 /* 0=no, 1=yes, -1=NULL */ 531 unsigned char mfl_code; /* code for maximum fragment length */ 532 int trunc_hmac; /* negotiate truncated hmac or not */ 533 int recsplit; /* enable record splitting? */ 534 int dhmlen; /* minimum DHM params len in bits */ 535 int reconnect; /* attempt to resume session */ 536 const char *reco_server_name; /* hostname of the server (re-connect) */ 537 int reco_delay; /* delay in seconds before resuming session */ 538 int reco_mode; /* how to keep the session around */ 539 int reconnect_hard; /* unexpectedly reconnect from the same port */ 540 int tickets; /* enable / disable session tickets (TLS 1.2) */ 541 int new_session_tickets; /* enable / disable new session tickets (TLS 1.3) */ 542 const char *groups; /* list of supported groups */ 543 const char *sig_algs; /* supported TLS 1.3 signature algorithms */ 544 const char *alpn_string; /* ALPN supported protocols */ 545 int transport; /* TLS or DTLS? */ 546 uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ 547 uint32_t hs_to_max; /* Max value of DTLS handshake timer */ 548 int dtls_mtu; /* UDP Maximum transport unit for DTLS */ 549 int fallback; /* is this a fallback connection? */ 550 int dgram_packing; /* allow/forbid datagram packing */ 551 int extended_ms; /* negotiate extended master secret? */ 552 int etm; /* negotiate encrypt then mac? */ 553 int context_crt_cb; /* use context-specific CRT verify callback */ 554 int eap_tls; /* derive EAP-TLS keying material? */ 555 int nss_keylog; /* export NSS key log material */ 556 const char *nss_keylog_file; /* NSS key log file */ 557 int cid_enabled; /* whether to use the CID extension or not */ 558 int cid_enabled_renego; /* whether to use the CID extension or not 559 * during renegotiation */ 560 const char *cid_val; /* the CID to use for incoming messages */ 561 int serialize; /* serialize/deserialize connection */ 562 const char *context_file; /* the file to write a serialized connection 563 * in the form of base64 code (serialize 564 * option must be set) */ 565 const char *cid_val_renego; /* the CID to use for incoming messages 566 * after renegotiation */ 567 int reproducible; /* make communication reproducible */ 568 int skip_close_notify; /* skip sending the close_notify alert */ 569 const char *exp_label; /* label to input into mbedtls_ssl_export_keying_material() */ 570 int exp_len; /* Length of key to export using mbedtls_ssl_export_keying_material() */ 571 #if defined(MBEDTLS_SSL_EARLY_DATA) 572 int early_data; /* early data enablement flag */ 573 #endif 574 int query_config_mode; /* whether to read config */ 575 int use_srtp; /* Support SRTP */ 576 int force_srtp_profile; /* SRTP protection profile to use or all */ 577 const char *mki; /* The dtls mki value to use */ 578 const char *key_opaque_alg1; /* Allowed opaque key alg 1 */ 579 const char *key_opaque_alg2; /* Allowed Opaque key alg 2 */ 580 } opt; 581 582 #include "ssl_test_common_source.c" 583 584 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 585 static unsigned char peer_crt_info[1024]; 586 587 /* 588 * Enabled if debug_level > 1 in code below 589 */ 590 static int my_verify(void *data, mbedtls_x509_crt *crt, 591 int depth, uint32_t *flags) 592 { 593 char buf[1024]; 594 ((void) data); 595 596 mbedtls_printf("\nVerify requested for (Depth %d):\n", depth); 597 598 #if !defined(MBEDTLS_X509_REMOVE_INFO) 599 mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt); 600 if (depth == 0) { 601 memcpy(peer_crt_info, buf, sizeof(buf)); 602 } 603 604 if (opt.debug_level == 0) { 605 return 0; 606 } 607 608 mbedtls_printf("%s", buf); 609 #else 610 ((void) crt); 611 ((void) depth); 612 #endif 613 614 if ((*flags) == 0) { 615 mbedtls_printf(" This certificate has no flags\n"); 616 } else { 617 x509_crt_verify_info(buf, sizeof(buf), " ! ", *flags); 618 mbedtls_printf("%s\n", buf); 619 } 620 621 return 0; 622 } 623 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 624 625 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 626 static int report_cid_usage(mbedtls_ssl_context *ssl, 627 const char *additional_description) 628 { 629 int ret; 630 unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX]; 631 size_t peer_cid_len; 632 int cid_negotiated; 633 634 if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) { 635 return 0; 636 } 637 638 /* Check if the use of a CID has been negotiated, 639 * but don't ask for the CID value and length. 640 * 641 * Note: Here and below, we're demonstrating the various ways 642 * in which mbedtls_ssl_get_peer_cid() can be called, 643 * depending on whether or not the length/value of the 644 * peer's CID is needed. 645 * 646 * An actual application, however, should use 647 * just one call to mbedtls_ssl_get_peer_cid(). */ 648 ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, 649 NULL, NULL); 650 if (ret != 0) { 651 mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", 652 (unsigned int) -ret); 653 return ret; 654 } 655 656 if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) { 657 if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) { 658 mbedtls_printf("(%s) Use of Connection ID was rejected by the server.\n", 659 additional_description); 660 } 661 } else { 662 size_t idx = 0; 663 mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n", 664 additional_description); 665 666 /* Ask for just the length of the peer's CID. */ 667 ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, 668 NULL, &peer_cid_len); 669 if (ret != 0) { 670 mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", 671 (unsigned int) -ret); 672 return ret; 673 } 674 675 /* Ask for just length + value of the peer's CID. */ 676 ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, 677 peer_cid, &peer_cid_len); 678 if (ret != 0) { 679 mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", 680 (unsigned int) -ret); 681 return ret; 682 } 683 mbedtls_printf("(%s) Peer CID (length %u Bytes): ", 684 additional_description, 685 (unsigned) peer_cid_len); 686 while (idx < peer_cid_len) { 687 mbedtls_printf("%02x ", peer_cid[idx]); 688 idx++; 689 } 690 mbedtls_printf("\n"); 691 } 692 693 return 0; 694 } 695 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 696 697 static int ssl_save_session_serialize(mbedtls_ssl_context *ssl, 698 unsigned char **session_data, 699 size_t *session_data_len) 700 { 701 int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; 702 mbedtls_ssl_session exported_session; 703 704 /* free any previously saved data */ 705 if (*session_data != NULL) { 706 mbedtls_platform_zeroize(*session_data, *session_data_len); 707 mbedtls_free(*session_data); 708 *session_data = NULL; 709 *session_data_len = 0; 710 } 711 712 mbedtls_ssl_session_init(&exported_session); 713 ret = mbedtls_ssl_get_session(ssl, &exported_session); 714 if (ret != 0) { 715 mbedtls_printf( 716 "failed\n ! mbedtls_ssl_get_session() returned -%#02x\n", 717 (unsigned) -ret); 718 goto exit; 719 } 720 721 /* get size of the buffer needed */ 722 (void) mbedtls_ssl_session_save(&exported_session, NULL, 0, session_data_len); 723 *session_data = mbedtls_calloc(1, *session_data_len); 724 if (*session_data == NULL) { 725 mbedtls_printf(" failed\n ! alloc %u bytes for session data\n", 726 (unsigned) *session_data_len); 727 ret = MBEDTLS_ERR_SSL_ALLOC_FAILED; 728 goto exit; 729 } 730 731 /* actually save session data */ 732 if ((ret = mbedtls_ssl_session_save(&exported_session, 733 *session_data, *session_data_len, 734 session_data_len)) != 0) { 735 mbedtls_printf(" failed\n ! mbedtls_ssl_session_saved returned -0x%04x\n\n", 736 (unsigned int) -ret); 737 goto exit; 738 } 739 740 exit: 741 mbedtls_ssl_session_free(&exported_session); 742 return ret; 743 } 744 745 /* 746 * Build HTTP request 747 */ 748 static int build_http_request(unsigned char *buf, size_t buf_size, size_t *request_len) 749 { 750 int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; 751 size_t len, tail_len, request_size; 752 753 ret = mbedtls_snprintf((char *) buf, buf_size, GET_REQUEST, opt.request_page, opt.server_name); 754 if (ret < 0) { 755 return ret; 756 } 757 758 len = (size_t) ret; 759 tail_len = strlen(GET_REQUEST_END); 760 if (opt.request_size != DFL_REQUEST_SIZE) { 761 request_size = (size_t) opt.request_size; 762 } else { 763 request_size = len + tail_len; 764 } 765 766 if (request_size > buf_size) { 767 return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL; 768 } 769 770 /* Add padding to GET request to reach opt.request_size in length */ 771 if (opt.request_size != DFL_REQUEST_SIZE && 772 len + tail_len < request_size) { 773 memset(buf + len, 'A', request_size - len - tail_len); 774 len = request_size - tail_len; 775 } 776 777 strncpy((char *) buf + len, GET_REQUEST_END, buf_size - len); 778 len += tail_len; 779 780 /* Truncate if request size is smaller than the "natural" size */ 781 if (opt.request_size != DFL_REQUEST_SIZE && 782 len > request_size) { 783 len = request_size; 784 785 /* Still end with \r\n unless that's really not possible */ 786 if (len >= 2) { 787 buf[len - 2] = '\r'; 788 } 789 if (len >= 1) { 790 buf[len - 1] = '\n'; 791 } 792 } 793 794 *request_len = len; 795 796 return 0; 797 } 798 799 int main(int argc, char *argv[]) 800 { 801 int ret = 0, i; 802 size_t len, written, frags, retry_left; 803 int query_config_ret = 0; 804 mbedtls_net_context server_fd; 805 io_ctx_t io_ctx; 806 807 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 808 uint16_t sig_alg_list[SIG_ALG_LIST_SIZE]; 809 #endif 810 811 unsigned char buf[MAX_REQUEST_SIZE + 1]; 812 813 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 814 unsigned char psk[MBEDTLS_PSK_MAX_LEN]; 815 size_t psk_len = 0; 816 #endif 817 818 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 819 unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX]; 820 unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX]; 821 size_t cid_len = 0; 822 size_t cid_renego_len = 0; 823 #endif 824 825 #if defined(MBEDTLS_SSL_ALPN) 826 const char *alpn_list[ALPN_LIST_SIZE]; 827 #endif 828 829 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) 830 unsigned char alloc_buf[MEMORY_HEAP_SIZE]; 831 #endif 832 uint16_t group_list[GROUP_LIST_SIZE]; 833 #if defined(MBEDTLS_SSL_DTLS_SRTP) 834 unsigned char mki[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH]; 835 size_t mki_len = 0; 836 #endif 837 838 const char *pers = "ssl_client2"; 839 840 #if defined(MBEDTLS_USE_PSA_CRYPTO) 841 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 842 mbedtls_svc_key_id_t slot = MBEDTLS_SVC_KEY_ID_INIT; 843 psa_algorithm_t alg = 0; 844 psa_key_attributes_t key_attributes; 845 #endif 846 psa_status_t status; 847 #endif 848 849 rng_context_t rng; 850 mbedtls_ssl_context ssl; 851 mbedtls_ssl_config conf; 852 mbedtls_ssl_session saved_session; 853 unsigned char *session_data = NULL; 854 size_t session_data_len = 0; 855 #if defined(MBEDTLS_TIMING_C) 856 mbedtls_timing_delay_context timer; 857 #endif 858 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 859 uint32_t flags; 860 mbedtls_x509_crt cacert; 861 mbedtls_x509_crt clicert; 862 mbedtls_pk_context pkey; 863 mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default; 864 #if defined(MBEDTLS_USE_PSA_CRYPTO) 865 mbedtls_svc_key_id_t key_slot = MBEDTLS_SVC_KEY_ID_INIT; /* invalid key slot */ 866 #endif 867 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 868 char *p, *q; 869 const int *list; 870 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) 871 unsigned char *context_buf = NULL; 872 size_t context_buf_len; 873 #endif 874 unsigned char eap_tls_keymaterial[16]; 875 unsigned char eap_tls_iv[8]; 876 const char *eap_tls_label = "client EAP encryption"; 877 eap_tls_keys eap_tls_keying; 878 #if defined(MBEDTLS_SSL_DTLS_SRTP) 879 /*! master keys and master salt for SRTP generated during handshake */ 880 unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH]; 881 const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp"; 882 dtls_srtp_keys dtls_srtp_keying; 883 const mbedtls_ssl_srtp_profile default_profiles[] = { 884 MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80, 885 MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32, 886 MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80, 887 MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32, 888 MBEDTLS_TLS_SRTP_UNSET 889 }; 890 #endif /* MBEDTLS_SSL_DTLS_SRTP */ 891 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \ 892 defined(MBEDTLS_USE_PSA_CRYPTO) 893 mbedtls_svc_key_id_t ecjpake_pw_slot = MBEDTLS_SVC_KEY_ID_INIT; /* ecjpake password key slot */ 894 #endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ 895 896 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) 897 mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf)); 898 #endif 899 900 #if defined(MBEDTLS_TEST_HOOKS) 901 test_hooks_init(); 902 #endif /* MBEDTLS_TEST_HOOKS */ 903 904 /* 905 * Make sure memory references are valid. 906 */ 907 mbedtls_net_init(&server_fd); 908 mbedtls_ssl_init(&ssl); 909 mbedtls_ssl_config_init(&conf); 910 mbedtls_ssl_session_init(&saved_session); 911 rng_init(&rng); 912 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 913 mbedtls_x509_crt_init(&cacert); 914 mbedtls_x509_crt_init(&clicert); 915 mbedtls_pk_init(&pkey); 916 #endif 917 #if defined(MBEDTLS_SSL_ALPN) 918 memset((void *) alpn_list, 0, sizeof(alpn_list)); 919 #endif 920 921 /* For builds with TLS 1.3 enabled but not MBEDTLS_USE_PSA_CRYPTO, 922 * we deliberately do not call psa_crypto_init() here, to test that 923 * the library is backward-compatible with versions prior to 3.6.0 924 * where calling psa_crypto_init() was not required to open a TLS 925 * connection in the default configuration. See 926 * https://github.com/Mbed-TLS/mbedtls/issues/9072 and 927 * mbedtls_ssl_tls13_crypto_init(). 928 */ 929 #if defined(MBEDTLS_USE_PSA_CRYPTO) 930 status = psa_crypto_init(); 931 if (status != PSA_SUCCESS) { 932 mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n", 933 (int) status); 934 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; 935 goto exit; 936 } 937 #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ 938 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) 939 mbedtls_test_enable_insecure_external_rng(); 940 #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */ 941 942 opt.server_name = DFL_SERVER_NAME; 943 opt.server_addr = DFL_SERVER_ADDR; 944 opt.server_port = DFL_SERVER_PORT; 945 opt.debug_level = DFL_DEBUG_LEVEL; 946 opt.cid_enabled = DFL_CID_ENABLED; 947 opt.cid_val = DFL_CID_VALUE; 948 opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO; 949 opt.cid_val_renego = DFL_CID_VALUE_RENEGO; 950 opt.nbio = DFL_NBIO; 951 opt.event = DFL_EVENT; 952 opt.context_crt_cb = DFL_CONTEXT_CRT_CB; 953 opt.read_timeout = DFL_READ_TIMEOUT; 954 opt.max_resend = DFL_MAX_RESEND; 955 opt.request_page = DFL_REQUEST_PAGE; 956 opt.request_size = DFL_REQUEST_SIZE; 957 opt.ca_file = DFL_CA_FILE; 958 opt.ca_path = DFL_CA_PATH; 959 opt.crt_file = DFL_CRT_FILE; 960 opt.key_file = DFL_KEY_FILE; 961 opt.key_opaque = DFL_KEY_OPAQUE; 962 opt.key_pwd = DFL_KEY_PWD; 963 opt.psk = DFL_PSK; 964 #if defined(MBEDTLS_USE_PSA_CRYPTO) 965 opt.psk_opaque = DFL_PSK_OPAQUE; 966 #endif 967 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) 968 opt.ca_callback = DFL_CA_CALLBACK; 969 #endif 970 opt.psk_identity = DFL_PSK_IDENTITY; 971 opt.ecjpake_pw = DFL_ECJPAKE_PW; 972 #if defined(MBEDTLS_USE_PSA_CRYPTO) 973 opt.ecjpake_pw_opaque = DFL_ECJPAKE_PW_OPAQUE; 974 #endif 975 opt.ec_max_ops = DFL_EC_MAX_OPS; 976 opt.force_ciphersuite[0] = DFL_FORCE_CIPHER; 977 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 978 opt.tls13_kex_modes = DFL_TLS1_3_KEX_MODES; 979 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 980 opt.renegotiation = DFL_RENEGOTIATION; 981 opt.allow_legacy = DFL_ALLOW_LEGACY; 982 opt.renegotiate = DFL_RENEGOTIATE; 983 opt.renego_delay = DFL_RENEGO_DELAY; 984 opt.exchanges = DFL_EXCHANGES; 985 opt.min_version = DFL_MIN_VERSION; 986 opt.max_version = DFL_MAX_VERSION; 987 opt.allow_sha1 = DFL_SHA1; 988 opt.auth_mode = DFL_AUTH_MODE; 989 opt.set_hostname = DFL_SET_HOSTNAME; 990 opt.mfl_code = DFL_MFL_CODE; 991 opt.trunc_hmac = DFL_TRUNC_HMAC; 992 opt.recsplit = DFL_RECSPLIT; 993 opt.dhmlen = DFL_DHMLEN; 994 opt.reconnect = DFL_RECONNECT; 995 opt.reco_server_name = DFL_RECO_SERVER_NAME; 996 opt.reco_delay = DFL_RECO_DELAY; 997 opt.reco_mode = DFL_RECO_MODE; 998 opt.reconnect_hard = DFL_RECONNECT_HARD; 999 opt.tickets = DFL_TICKETS; 1000 opt.new_session_tickets = DFL_NEW_SESSION_TICKETS; 1001 opt.alpn_string = DFL_ALPN_STRING; 1002 opt.groups = DFL_GROUPS; 1003 opt.sig_algs = DFL_SIG_ALGS; 1004 #if defined(MBEDTLS_SSL_EARLY_DATA) 1005 opt.early_data = DFL_EARLY_DATA; 1006 #endif 1007 opt.transport = DFL_TRANSPORT; 1008 opt.hs_to_min = DFL_HS_TO_MIN; 1009 opt.hs_to_max = DFL_HS_TO_MAX; 1010 opt.dtls_mtu = DFL_DTLS_MTU; 1011 opt.fallback = DFL_FALLBACK; 1012 opt.extended_ms = DFL_EXTENDED_MS; 1013 opt.etm = DFL_ETM; 1014 opt.dgram_packing = DFL_DGRAM_PACKING; 1015 opt.serialize = DFL_SERIALIZE; 1016 opt.context_file = DFL_CONTEXT_FILE; 1017 opt.eap_tls = DFL_EAP_TLS; 1018 opt.reproducible = DFL_REPRODUCIBLE; 1019 opt.nss_keylog = DFL_NSS_KEYLOG; 1020 opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE; 1021 opt.skip_close_notify = DFL_SKIP_CLOSE_NOTIFY; 1022 opt.exp_label = DFL_EXP_LABEL; 1023 opt.exp_len = DFL_EXP_LEN; 1024 opt.query_config_mode = DFL_QUERY_CONFIG_MODE; 1025 opt.use_srtp = DFL_USE_SRTP; 1026 opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE; 1027 opt.mki = DFL_SRTP_MKI; 1028 opt.key_opaque_alg1 = DFL_KEY_OPAQUE_ALG; 1029 opt.key_opaque_alg2 = DFL_KEY_OPAQUE_ALG; 1030 1031 p = q = NULL; 1032 if (argc < 1) { 1033 usage: 1034 if (p != NULL && q != NULL) { 1035 printf("unrecognized value for '%s': '%s'\n", p, q); 1036 } else if (p != NULL && q == NULL) { 1037 printf("unrecognized param: '%s'\n", p); 1038 } 1039 1040 mbedtls_printf("usage: ssl_client2 [param=value] [...]\n"); 1041 mbedtls_printf(" ssl_client2 help[_theme]\n"); 1042 mbedtls_printf("'help' lists acceptable 'param' and 'value'\n"); 1043 mbedtls_printf("'help_ciphersuites' lists available ciphersuites\n"); 1044 mbedtls_printf("\n"); 1045 1046 if (ret == 0) { 1047 ret = 1; 1048 } 1049 goto exit; 1050 } 1051 1052 for (i = 1; i < argc; i++) { 1053 p = argv[i]; 1054 1055 if (strcmp(p, "help") == 0) { 1056 mbedtls_printf(USAGE1); 1057 mbedtls_printf(USAGE2); 1058 mbedtls_printf(USAGE3); 1059 mbedtls_printf(USAGE4); 1060 1061 ret = 0; 1062 goto exit; 1063 } 1064 if (strcmp(p, "help_ciphersuites") == 0) { 1065 mbedtls_printf(" acceptable ciphersuite names:\n"); 1066 for (list = mbedtls_ssl_list_ciphersuites(); 1067 *list != 0; 1068 list++) { 1069 mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); 1070 } 1071 1072 ret = 0; 1073 goto exit; 1074 } 1075 1076 if ((q = strchr(p, '=')) == NULL) { 1077 mbedtls_printf("param requires a value: '%s'\n", p); 1078 p = NULL; // avoid "unrecnognized param" message 1079 goto usage; 1080 } 1081 *q++ = '\0'; 1082 1083 if (strcmp(p, "server_name") == 0) { 1084 opt.server_name = q; 1085 } else if (strcmp(p, "server_addr") == 0) { 1086 opt.server_addr = q; 1087 } else if (strcmp(p, "server_port") == 0) { 1088 opt.server_port = q; 1089 } else if (strcmp(p, "dtls") == 0) { 1090 int t = atoi(q); 1091 if (t == 0) { 1092 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM; 1093 } else if (t == 1) { 1094 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; 1095 } else { 1096 goto usage; 1097 } 1098 } else if (strcmp(p, "debug_level") == 0) { 1099 opt.debug_level = atoi(q); 1100 if (opt.debug_level < 0 || opt.debug_level > 65535) { 1101 goto usage; 1102 } 1103 } else if (strcmp(p, "build_version") == 0) { 1104 if (strcmp(q, "1") == 0) { 1105 mbedtls_printf("build version: %s (build %d)\n", 1106 MBEDTLS_VERSION_STRING_FULL, 1107 MBEDTLS_VERSION_NUMBER); 1108 goto exit; 1109 } 1110 } else if (strcmp(p, "context_crt_cb") == 0) { 1111 opt.context_crt_cb = atoi(q); 1112 if (opt.context_crt_cb != 0 && opt.context_crt_cb != 1) { 1113 goto usage; 1114 } 1115 } else if (strcmp(p, "nbio") == 0) { 1116 opt.nbio = atoi(q); 1117 if (opt.nbio < 0 || opt.nbio > 2) { 1118 goto usage; 1119 } 1120 } else if (strcmp(p, "event") == 0) { 1121 opt.event = atoi(q); 1122 if (opt.event < 0 || opt.event > 2) { 1123 goto usage; 1124 } 1125 } else if (strcmp(p, "read_timeout") == 0) { 1126 opt.read_timeout = atoi(q); 1127 } else if (strcmp(p, "max_resend") == 0) { 1128 opt.max_resend = atoi(q); 1129 if (opt.max_resend < 0) { 1130 goto usage; 1131 } 1132 } else if (strcmp(p, "request_page") == 0) { 1133 opt.request_page = q; 1134 } else if (strcmp(p, "request_size") == 0) { 1135 opt.request_size = atoi(q); 1136 if (opt.request_size < 0 || 1137 opt.request_size > MAX_REQUEST_SIZE) { 1138 goto usage; 1139 } 1140 } else if (strcmp(p, "ca_file") == 0) { 1141 opt.ca_file = q; 1142 } else if (strcmp(p, "ca_path") == 0) { 1143 opt.ca_path = q; 1144 } else if (strcmp(p, "crt_file") == 0) { 1145 opt.crt_file = q; 1146 } else if (strcmp(p, "key_file") == 0) { 1147 opt.key_file = q; 1148 } else if (strcmp(p, "key_pwd") == 0) { 1149 opt.key_pwd = q; 1150 } 1151 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 1152 else if (strcmp(p, "key_opaque") == 0) { 1153 opt.key_opaque = atoi(q); 1154 } 1155 #endif 1156 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 1157 else if (strcmp(p, "cid") == 0) { 1158 opt.cid_enabled = atoi(q); 1159 if (opt.cid_enabled != 0 && opt.cid_enabled != 1) { 1160 goto usage; 1161 } 1162 } else if (strcmp(p, "cid_renego") == 0) { 1163 opt.cid_enabled_renego = atoi(q); 1164 if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) { 1165 goto usage; 1166 } 1167 } else if (strcmp(p, "cid_val") == 0) { 1168 opt.cid_val = q; 1169 } else if (strcmp(p, "cid_val_renego") == 0) { 1170 opt.cid_val_renego = q; 1171 } 1172 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 1173 else if (strcmp(p, "psk") == 0) { 1174 opt.psk = q; 1175 } 1176 #if defined(MBEDTLS_USE_PSA_CRYPTO) 1177 else if (strcmp(p, "psk_opaque") == 0) { 1178 opt.psk_opaque = atoi(q); 1179 } 1180 #endif 1181 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) 1182 else if (strcmp(p, "ca_callback") == 0) { 1183 opt.ca_callback = atoi(q); 1184 } 1185 #endif 1186 else if (strcmp(p, "psk_identity") == 0) { 1187 opt.psk_identity = q; 1188 } else if (strcmp(p, "ecjpake_pw") == 0) { 1189 opt.ecjpake_pw = q; 1190 } 1191 #if defined(MBEDTLS_USE_PSA_CRYPTO) 1192 else if (strcmp(p, "ecjpake_pw_opaque") == 0) { 1193 opt.ecjpake_pw_opaque = atoi(q); 1194 } 1195 #endif 1196 else if (strcmp(p, "ec_max_ops") == 0) { 1197 opt.ec_max_ops = atoi(q); 1198 } else if (strcmp(p, "force_ciphersuite") == 0) { 1199 opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q); 1200 1201 if (opt.force_ciphersuite[0] == 0) { 1202 ret = 2; 1203 goto usage; 1204 } 1205 opt.force_ciphersuite[1] = 0; 1206 } else if (strcmp(p, "renegotiation") == 0) { 1207 opt.renegotiation = (atoi(q)) ? 1208 MBEDTLS_SSL_RENEGOTIATION_ENABLED : 1209 MBEDTLS_SSL_RENEGOTIATION_DISABLED; 1210 } else if (strcmp(p, "allow_legacy") == 0) { 1211 switch (atoi(q)) { 1212 case -1: 1213 opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; 1214 break; 1215 case 0: 1216 opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; 1217 break; 1218 case 1: 1219 opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; 1220 break; 1221 default: goto usage; 1222 } 1223 } else if (strcmp(p, "renego_delay") == 0) { 1224 opt.renego_delay = (atoi(q)); 1225 } else if (strcmp(p, "renegotiate") == 0) { 1226 opt.renegotiate = atoi(q); 1227 if (opt.renegotiate < 0 || opt.renegotiate > 1) { 1228 goto usage; 1229 } 1230 } else if (strcmp(p, "exchanges") == 0) { 1231 opt.exchanges = atoi(q); 1232 if (opt.exchanges < 1) { 1233 goto usage; 1234 } 1235 } else if (strcmp(p, "reconnect") == 0) { 1236 opt.reconnect = atoi(q); 1237 if (opt.reconnect < 0 || opt.reconnect > 2) { 1238 goto usage; 1239 } 1240 } else if (strcmp(p, "reco_server_name") == 0) { 1241 opt.reco_server_name = q; 1242 } else if (strcmp(p, "reco_delay") == 0) { 1243 opt.reco_delay = atoi(q); 1244 if (opt.reco_delay < 0) { 1245 goto usage; 1246 } 1247 } else if (strcmp(p, "reco_mode") == 0) { 1248 opt.reco_mode = atoi(q); 1249 if (opt.reco_mode < 0) { 1250 goto usage; 1251 } 1252 } else if (strcmp(p, "reconnect_hard") == 0) { 1253 opt.reconnect_hard = atoi(q); 1254 if (opt.reconnect_hard < 0 || opt.reconnect_hard > 1) { 1255 goto usage; 1256 } 1257 } else if (strcmp(p, "tickets") == 0) { 1258 opt.tickets = atoi(q); 1259 if (opt.tickets < 0) { 1260 goto usage; 1261 } 1262 } else if (strcmp(p, "new_session_tickets") == 0) { 1263 opt.new_session_tickets = atoi(q); 1264 if (opt.new_session_tickets < 0) { 1265 goto usage; 1266 } 1267 } else if (strcmp(p, "alpn") == 0) { 1268 opt.alpn_string = q; 1269 } else if (strcmp(p, "extended_ms") == 0) { 1270 switch (atoi(q)) { 1271 case 0: 1272 opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; 1273 break; 1274 case 1: 1275 opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; 1276 break; 1277 default: goto usage; 1278 } 1279 } else if (strcmp(p, "groups") == 0) { 1280 opt.groups = q; 1281 } 1282 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 1283 else if (strcmp(p, "sig_algs") == 0) { 1284 opt.sig_algs = q; 1285 } 1286 #endif 1287 else if (strcmp(p, "etm") == 0) { 1288 switch (atoi(q)) { 1289 case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break; 1290 case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break; 1291 default: goto usage; 1292 } 1293 } 1294 1295 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 1296 #if defined(MBEDTLS_SSL_EARLY_DATA) 1297 else if (strcmp(p, "early_data") == 0) { 1298 switch (atoi(q)) { 1299 case 0: 1300 opt.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED; 1301 break; 1302 case 1: 1303 opt.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED; 1304 break; 1305 default: goto usage; 1306 } 1307 } 1308 #endif /* MBEDTLS_SSL_EARLY_DATA */ 1309 1310 else if (strcmp(p, "tls13_kex_modes") == 0) { 1311 if (strcmp(q, "psk") == 0) { 1312 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK; 1313 } else if (strcmp(q, "psk_ephemeral") == 0) { 1314 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL; 1315 } else if (strcmp(q, "ephemeral") == 0) { 1316 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL; 1317 } else if (strcmp(q, "ephemeral_all") == 0) { 1318 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL; 1319 } else if (strcmp(q, "psk_all") == 0) { 1320 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL; 1321 } else if (strcmp(q, "all") == 0) { 1322 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL; 1323 } else if (strcmp(q, "psk_or_ephemeral") == 0) { 1324 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK | 1325 MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL; 1326 } else { 1327 goto usage; 1328 } 1329 } 1330 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 1331 else if (strcmp(p, "min_version") == 0) { 1332 if (strcmp(q, "tls12") == 0 || 1333 strcmp(q, "dtls12") == 0) { 1334 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; 1335 } 1336 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 1337 else if (strcmp(q, "tls13") == 0) { 1338 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3; 1339 } 1340 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 1341 else { 1342 goto usage; 1343 } 1344 } else if (strcmp(p, "max_version") == 0) { 1345 if (strcmp(q, "tls12") == 0 || 1346 strcmp(q, "dtls12") == 0) { 1347 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; 1348 } 1349 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 1350 else if (strcmp(q, "tls13") == 0) { 1351 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3; 1352 } 1353 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 1354 else { 1355 goto usage; 1356 } 1357 } else if (strcmp(p, "allow_sha1") == 0) { 1358 switch (atoi(q)) { 1359 case 0: opt.allow_sha1 = 0; break; 1360 case 1: opt.allow_sha1 = 1; break; 1361 default: goto usage; 1362 } 1363 } else if (strcmp(p, "force_version") == 0) { 1364 if (strcmp(q, "tls12") == 0) { 1365 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; 1366 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; 1367 } else if (strcmp(q, "dtls12") == 0) { 1368 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; 1369 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; 1370 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; 1371 } 1372 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 1373 else if (strcmp(q, "tls13") == 0) { 1374 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3; 1375 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3; 1376 } 1377 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 1378 else { 1379 goto usage; 1380 } 1381 } else if (strcmp(p, "auth_mode") == 0) { 1382 if (strcmp(q, "none") == 0) { 1383 opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE; 1384 } else if (strcmp(q, "optional") == 0) { 1385 opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL; 1386 } else if (strcmp(q, "required") == 0) { 1387 opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED; 1388 } else { 1389 goto usage; 1390 } 1391 } else if (strcmp(p, "set_hostname") == 0) { 1392 if (strcmp(q, "no") == 0) { 1393 opt.set_hostname = 0; 1394 } else if (strcmp(q, "server_name") == 0) { 1395 opt.set_hostname = 1; 1396 } else if (strcmp(q, "NULL") == 0) { 1397 opt.set_hostname = -1; 1398 } else { 1399 goto usage; 1400 } 1401 } else if (strcmp(p, "max_frag_len") == 0) { 1402 if (strcmp(q, "512") == 0) { 1403 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512; 1404 } else if (strcmp(q, "1024") == 0) { 1405 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024; 1406 } else if (strcmp(q, "2048") == 0) { 1407 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048; 1408 } else if (strcmp(q, "4096") == 0) { 1409 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096; 1410 } else { 1411 goto usage; 1412 } 1413 } else if (strcmp(p, "trunc_hmac") == 0) { 1414 switch (atoi(q)) { 1415 case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break; 1416 case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break; 1417 default: goto usage; 1418 } 1419 } else if (strcmp(p, "hs_timeout") == 0) { 1420 if ((p = strchr(q, '-')) == NULL) { 1421 goto usage; 1422 } 1423 *p++ = '\0'; 1424 opt.hs_to_min = atoi(q); 1425 opt.hs_to_max = atoi(p); 1426 if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) { 1427 goto usage; 1428 } 1429 } else if (strcmp(p, "mtu") == 0) { 1430 opt.dtls_mtu = atoi(q); 1431 if (opt.dtls_mtu < 0) { 1432 goto usage; 1433 } 1434 } else if (strcmp(p, "dgram_packing") == 0) { 1435 opt.dgram_packing = atoi(q); 1436 if (opt.dgram_packing != 0 && 1437 opt.dgram_packing != 1) { 1438 goto usage; 1439 } 1440 } else if (strcmp(p, "recsplit") == 0) { 1441 opt.recsplit = atoi(q); 1442 if (opt.recsplit < 0 || opt.recsplit > 1) { 1443 goto usage; 1444 } 1445 } else if (strcmp(p, "dhmlen") == 0) { 1446 opt.dhmlen = atoi(q); 1447 if (opt.dhmlen < 0) { 1448 goto usage; 1449 } 1450 } else if (strcmp(p, "query_config") == 0) { 1451 opt.query_config_mode = 1; 1452 query_config_ret = query_config(q); 1453 goto exit; 1454 } else if (strcmp(p, "serialize") == 0) { 1455 opt.serialize = atoi(q); 1456 if (opt.serialize < 0 || opt.serialize > 2) { 1457 goto usage; 1458 } 1459 } else if (strcmp(p, "context_file") == 0) { 1460 opt.context_file = q; 1461 } else if (strcmp(p, "eap_tls") == 0) { 1462 opt.eap_tls = atoi(q); 1463 if (opt.eap_tls < 0 || opt.eap_tls > 1) { 1464 goto usage; 1465 } 1466 } else if (strcmp(p, "reproducible") == 0) { 1467 opt.reproducible = 1; 1468 } else if (strcmp(p, "nss_keylog") == 0) { 1469 opt.nss_keylog = atoi(q); 1470 if (opt.nss_keylog < 0 || opt.nss_keylog > 1) { 1471 goto usage; 1472 } 1473 } else if (strcmp(p, "nss_keylog_file") == 0) { 1474 opt.nss_keylog_file = q; 1475 } else if (strcmp(p, "skip_close_notify") == 0) { 1476 opt.skip_close_notify = atoi(q); 1477 if (opt.skip_close_notify < 0 || opt.skip_close_notify > 1) { 1478 goto usage; 1479 } 1480 } else if (strcmp(p, "exp_label") == 0) { 1481 opt.exp_label = q; 1482 } else if (strcmp(p, "exp_len") == 0) { 1483 opt.exp_len = atoi(q); 1484 } else if (strcmp(p, "use_srtp") == 0) { 1485 opt.use_srtp = atoi(q); 1486 } else if (strcmp(p, "srtp_force_profile") == 0) { 1487 opt.force_srtp_profile = atoi(q); 1488 } else if (strcmp(p, "mki") == 0) { 1489 opt.mki = q; 1490 } else if (strcmp(p, "key_opaque_algs") == 0) { 1491 if (key_opaque_alg_parse(q, &opt.key_opaque_alg1, 1492 &opt.key_opaque_alg2) != 0) { 1493 goto usage; 1494 } 1495 } else { 1496 /* This signals that the problem is with p not q */ 1497 q = NULL; 1498 goto usage; 1499 } 1500 } 1501 /* This signals that any further errors are not with a single option */ 1502 p = q = NULL; 1503 1504 if (opt.nss_keylog != 0 && opt.eap_tls != 0) { 1505 mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n"); 1506 goto usage; 1507 } 1508 1509 /* Event-driven IO is incompatible with the above custom 1510 * receive and send functions, as the polling builds on 1511 * refers to the underlying net_context. */ 1512 if (opt.event == 1 && opt.nbio != 1) { 1513 mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n"); 1514 opt.nbio = 1; 1515 } 1516 1517 #if defined(MBEDTLS_DEBUG_C) 1518 mbedtls_debug_set_threshold(opt.debug_level); 1519 #endif 1520 1521 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 1522 /* 1523 * Unhexify the pre-shared key if any is given 1524 */ 1525 if (strlen(opt.psk)) { 1526 if (mbedtls_test_unhexify(psk, sizeof(psk), 1527 opt.psk, &psk_len) != 0) { 1528 mbedtls_printf("pre-shared key not valid\n"); 1529 goto exit; 1530 } 1531 } 1532 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ 1533 1534 #if defined(MBEDTLS_USE_PSA_CRYPTO) 1535 if (opt.psk_opaque != 0) { 1536 if (opt.psk == NULL) { 1537 mbedtls_printf("psk_opaque set but no psk to be imported specified.\n"); 1538 ret = 2; 1539 goto usage; 1540 } 1541 1542 if (opt.force_ciphersuite[0] <= 0) { 1543 mbedtls_printf( 1544 "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n"); 1545 ret = 2; 1546 goto usage; 1547 } 1548 } 1549 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 1550 1551 if (opt.force_ciphersuite[0] > 0) { 1552 const mbedtls_ssl_ciphersuite_t *ciphersuite_info; 1553 ciphersuite_info = 1554 mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]); 1555 1556 if (opt.max_version != -1 && 1557 ciphersuite_info->min_tls_version > opt.max_version) { 1558 mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); 1559 ret = 2; 1560 goto usage; 1561 } 1562 if (opt.min_version != -1 && 1563 ciphersuite_info->max_tls_version < opt.min_version) { 1564 mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); 1565 ret = 2; 1566 goto usage; 1567 } 1568 1569 /* If the server selects a version that's not supported by 1570 * this suite, then there will be no common ciphersuite... */ 1571 if (opt.max_version == -1 || 1572 opt.max_version > ciphersuite_info->max_tls_version) { 1573 opt.max_version = ciphersuite_info->max_tls_version; 1574 } 1575 if (opt.min_version < ciphersuite_info->min_tls_version) { 1576 opt.min_version = ciphersuite_info->min_tls_version; 1577 /* DTLS starts with TLS 1.2 */ 1578 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM && 1579 opt.min_version < MBEDTLS_SSL_VERSION_TLS1_2) { 1580 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; 1581 } 1582 } 1583 1584 #if defined(MBEDTLS_USE_PSA_CRYPTO) 1585 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 1586 if (opt.psk_opaque != 0) { 1587 /* Determine KDF algorithm the opaque PSK will be used in. */ 1588 #if defined(MBEDTLS_MD_CAN_SHA384) 1589 if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) { 1590 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384); 1591 } else 1592 #endif /* MBEDTLS_MD_CAN_SHA384 */ 1593 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256); 1594 } 1595 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ 1596 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 1597 } 1598 1599 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 1600 if (mbedtls_test_unhexify(cid, sizeof(cid), 1601 opt.cid_val, &cid_len) != 0) { 1602 mbedtls_printf("CID not valid\n"); 1603 goto exit; 1604 } 1605 1606 /* Keep CID settings for renegotiation unless 1607 * specified otherwise. */ 1608 if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) { 1609 opt.cid_enabled_renego = opt.cid_enabled; 1610 } 1611 if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) { 1612 opt.cid_val_renego = opt.cid_val; 1613 } 1614 1615 if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego), 1616 opt.cid_val_renego, &cid_renego_len) != 0) { 1617 mbedtls_printf("CID not valid\n"); 1618 goto exit; 1619 } 1620 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 1621 1622 if (opt.groups != NULL) { 1623 if (parse_groups(opt.groups, group_list, GROUP_LIST_SIZE) != 0) { 1624 goto exit; 1625 } 1626 } 1627 1628 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 1629 if (opt.sig_algs != NULL) { 1630 p = (char *) opt.sig_algs; 1631 i = 0; 1632 1633 /* Leave room for a final MBEDTLS_TLS1_3_SIG_NONE in signature algorithm list (sig_alg_list). */ 1634 while (i < SIG_ALG_LIST_SIZE - 1 && *p != '\0') { 1635 q = p; 1636 1637 /* Terminate the current string */ 1638 while (*p != ',' && *p != '\0') { 1639 p++; 1640 } 1641 if (*p == ',') { 1642 *p++ = '\0'; 1643 } 1644 1645 if (strcmp(q, "rsa_pkcs1_sha256") == 0) { 1646 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256; 1647 } else if (strcmp(q, "rsa_pkcs1_sha384") == 0) { 1648 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384; 1649 } else if (strcmp(q, "rsa_pkcs1_sha512") == 0) { 1650 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512; 1651 } else if (strcmp(q, "ecdsa_secp256r1_sha256") == 0) { 1652 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256; 1653 } else if (strcmp(q, "ecdsa_secp384r1_sha384") == 0) { 1654 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384; 1655 } else if (strcmp(q, "ecdsa_secp521r1_sha512") == 0) { 1656 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512; 1657 } else if (strcmp(q, "rsa_pss_rsae_sha256") == 0) { 1658 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256; 1659 } else if (strcmp(q, "rsa_pss_rsae_sha384") == 0) { 1660 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384; 1661 } else if (strcmp(q, "rsa_pss_rsae_sha512") == 0) { 1662 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512; 1663 } else if (strcmp(q, "ed25519") == 0) { 1664 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED25519; 1665 } else if (strcmp(q, "ed448") == 0) { 1666 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED448; 1667 } else if (strcmp(q, "rsa_pss_pss_sha256") == 0) { 1668 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256; 1669 } else if (strcmp(q, "rsa_pss_pss_sha384") == 0) { 1670 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384; 1671 } else if (strcmp(q, "rsa_pss_pss_sha512") == 0) { 1672 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512; 1673 } else if (strcmp(q, "rsa_pkcs1_sha1") == 0) { 1674 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1; 1675 } else if (strcmp(q, "ecdsa_sha1") == 0) { 1676 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SHA1; 1677 } else { 1678 ret = -1; 1679 mbedtls_printf("unknown signature algorithm \"%s\"\n", q); 1680 mbedtls_print_supported_sig_algs(); 1681 goto exit; 1682 } 1683 } 1684 1685 if (i == (SIG_ALG_LIST_SIZE - 1) && *p != '\0') { 1686 mbedtls_printf("signature algorithm list too long, maximum %d", 1687 SIG_ALG_LIST_SIZE - 1); 1688 goto exit; 1689 } 1690 1691 sig_alg_list[i] = MBEDTLS_TLS1_3_SIG_NONE; 1692 } 1693 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 1694 1695 #if defined(MBEDTLS_SSL_ALPN) 1696 if (opt.alpn_string != NULL) { 1697 p = (char *) opt.alpn_string; 1698 i = 0; 1699 1700 /* Leave room for a final NULL in alpn_list */ 1701 while (i < ALPN_LIST_SIZE - 1 && *p != '\0') { 1702 alpn_list[i++] = p; 1703 1704 /* Terminate the current string and move on to next one */ 1705 while (*p != ',' && *p != '\0') { 1706 p++; 1707 } 1708 if (*p == ',') { 1709 *p++ = '\0'; 1710 } 1711 } 1712 } 1713 #endif /* MBEDTLS_SSL_ALPN */ 1714 1715 mbedtls_printf("build version: %s (build %d)\n", 1716 MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER); 1717 1718 /* 1719 * 0. Initialize the RNG and the session data 1720 */ 1721 mbedtls_printf("\n . Seeding the random number generator..."); 1722 fflush(stdout); 1723 1724 ret = rng_seed(&rng, opt.reproducible, pers); 1725 if (ret != 0) { 1726 goto exit; 1727 } 1728 mbedtls_printf(" ok\n"); 1729 1730 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 1731 /* 1732 * 1.1. Load the trusted CA 1733 */ 1734 mbedtls_printf(" . Loading the CA root certificate ..."); 1735 fflush(stdout); 1736 1737 if (strcmp(opt.ca_path, "none") == 0 || 1738 strcmp(opt.ca_file, "none") == 0) { 1739 ret = 0; 1740 } else 1741 #if defined(MBEDTLS_FS_IO) 1742 if (strlen(opt.ca_path)) { 1743 ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path); 1744 } else if (strlen(opt.ca_file)) { 1745 ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file); 1746 } else 1747 #endif 1748 { 1749 #if defined(MBEDTLS_PEM_PARSE_C) 1750 for (i = 0; mbedtls_test_cas[i] != NULL; i++) { 1751 ret = mbedtls_x509_crt_parse(&cacert, 1752 (const unsigned char *) mbedtls_test_cas[i], 1753 mbedtls_test_cas_len[i]); 1754 if (ret != 0) { 1755 break; 1756 } 1757 } 1758 #endif /* MBEDTLS_PEM_PARSE_C */ 1759 if (ret == 0) { 1760 for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) { 1761 ret = mbedtls_x509_crt_parse_der(&cacert, 1762 (const unsigned char *) mbedtls_test_cas_der[i], 1763 mbedtls_test_cas_der_len[i]); 1764 if (ret != 0) { 1765 break; 1766 } 1767 } 1768 } 1769 } 1770 if (ret < 0) { 1771 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", 1772 (unsigned int) -ret); 1773 goto exit; 1774 } 1775 1776 mbedtls_printf(" ok (%d skipped)\n", ret); 1777 1778 /* 1779 * 1.2. Load own certificate and private key 1780 * 1781 * (can be skipped if client authentication is not required) 1782 */ 1783 mbedtls_printf(" . Loading the client cert. and key..."); 1784 fflush(stdout); 1785 1786 if (strcmp(opt.crt_file, "none") == 0) { 1787 ret = 0; 1788 } else 1789 #if defined(MBEDTLS_FS_IO) 1790 if (strlen(opt.crt_file)) { 1791 ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file); 1792 } else 1793 #endif 1794 { ret = mbedtls_x509_crt_parse(&clicert, 1795 (const unsigned char *) mbedtls_test_cli_crt, 1796 mbedtls_test_cli_crt_len); } 1797 if (ret != 0) { 1798 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", 1799 (unsigned int) -ret); 1800 goto exit; 1801 } 1802 1803 if (strcmp(opt.key_file, "none") == 0) { 1804 ret = 0; 1805 } else 1806 #if defined(MBEDTLS_FS_IO) 1807 if (strlen(opt.key_file)) { 1808 ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd, rng_get, &rng); 1809 } else 1810 #endif 1811 { ret = mbedtls_pk_parse_key(&pkey, 1812 (const unsigned char *) mbedtls_test_cli_key, 1813 mbedtls_test_cli_key_len, NULL, 0, rng_get, &rng); } 1814 if (ret != 0) { 1815 mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", 1816 (unsigned int) -ret); 1817 goto exit; 1818 } 1819 1820 #if defined(MBEDTLS_USE_PSA_CRYPTO) 1821 if (opt.key_opaque != 0) { 1822 psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE; 1823 psa_key_usage_t usage = 0; 1824 1825 if (key_opaque_set_alg_usage(opt.key_opaque_alg1, 1826 opt.key_opaque_alg2, 1827 &psa_alg, &psa_alg2, 1828 &usage, 1829 mbedtls_pk_get_type(&pkey)) == 0) { 1830 ret = pk_wrap_as_opaque(&pkey, psa_alg, psa_alg2, usage, &key_slot); 1831 if (ret != 0) { 1832 mbedtls_printf(" failed\n ! " 1833 "mbedtls_pk_get_psa_attributes returned -0x%x\n\n", 1834 (unsigned int) -ret); 1835 goto exit; 1836 } 1837 } 1838 } 1839 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 1840 1841 mbedtls_printf(" ok (key type: %s)\n", 1842 strlen(opt.key_file) || strlen(opt.key_opaque_alg1) ? 1843 mbedtls_pk_get_name(&pkey) : "none"); 1844 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 1845 1846 /* 1847 * 2. Setup stuff 1848 */ 1849 mbedtls_printf(" . Setting up the SSL/TLS structure..."); 1850 fflush(stdout); 1851 1852 if ((ret = mbedtls_ssl_config_defaults(&conf, 1853 MBEDTLS_SSL_IS_CLIENT, 1854 opt.transport, 1855 MBEDTLS_SSL_PRESET_DEFAULT)) != 0) { 1856 mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", 1857 (unsigned int) -ret); 1858 goto exit; 1859 } 1860 1861 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 1862 /* The default algorithms profile disables SHA-1, but our tests still 1863 rely on it heavily. */ 1864 if (opt.allow_sha1 > 0) { 1865 crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1); 1866 mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test); 1867 mbedtls_ssl_conf_sig_algs(&conf, ssl_sig_algs_for_test); 1868 } 1869 if (opt.context_crt_cb == 0) { 1870 mbedtls_ssl_conf_verify(&conf, my_verify, NULL); 1871 } 1872 1873 memset(peer_crt_info, 0, sizeof(peer_crt_info)); 1874 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 1875 1876 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 1877 if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) { 1878 if (opt.cid_enabled == 1 && 1879 opt.cid_enabled_renego == 1 && 1880 cid_len != cid_renego_len) { 1881 mbedtls_printf("CID length must not change during renegotiation\n"); 1882 goto usage; 1883 } 1884 1885 if (opt.cid_enabled == 1) { 1886 ret = mbedtls_ssl_conf_cid(&conf, cid_len, 1887 MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); 1888 } else { 1889 ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len, 1890 MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); 1891 } 1892 1893 if (ret != 0) { 1894 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n", 1895 (unsigned int) -ret); 1896 goto exit; 1897 } 1898 } 1899 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 1900 1901 if (opt.auth_mode != DFL_AUTH_MODE) { 1902 mbedtls_ssl_conf_authmode(&conf, opt.auth_mode); 1903 } 1904 1905 #if defined(MBEDTLS_SSL_PROTO_DTLS) 1906 if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) { 1907 mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, 1908 opt.hs_to_max); 1909 } 1910 1911 if (opt.dgram_packing != DFL_DGRAM_PACKING) { 1912 mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing); 1913 } 1914 #endif /* MBEDTLS_SSL_PROTO_DTLS */ 1915 1916 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) 1917 if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) { 1918 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", 1919 ret); 1920 goto exit; 1921 } 1922 #endif 1923 1924 #if defined(MBEDTLS_SSL_DTLS_SRTP) 1925 const mbedtls_ssl_srtp_profile forced_profile[] = 1926 { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET }; 1927 if (opt.use_srtp == 1) { 1928 if (opt.force_srtp_profile != 0) { 1929 ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile); 1930 } else { 1931 ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles); 1932 } 1933 1934 if (ret != 0) { 1935 mbedtls_printf(" failed\n ! " 1936 "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", 1937 ret); 1938 goto exit; 1939 } 1940 1941 } else if (opt.force_srtp_profile != 0) { 1942 mbedtls_printf(" failed\n ! must enable use_srtp to force srtp profile\n\n"); 1943 goto exit; 1944 } 1945 #endif /* MBEDTLS_SSL_DTLS_SRTP */ 1946 1947 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) 1948 if (opt.extended_ms != DFL_EXTENDED_MS) { 1949 mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms); 1950 } 1951 #endif 1952 1953 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) 1954 if (opt.etm != DFL_ETM) { 1955 mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm); 1956 } 1957 #endif 1958 1959 #if defined(MBEDTLS_DHM_C) 1960 if (opt.dhmlen != DFL_DHMLEN) { 1961 mbedtls_ssl_conf_dhm_min_bitlen(&conf, opt.dhmlen); 1962 } 1963 #endif 1964 1965 #if defined(MBEDTLS_SSL_ALPN) 1966 if (opt.alpn_string != NULL) { 1967 if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) { 1968 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", 1969 ret); 1970 goto exit; 1971 } 1972 } 1973 #endif 1974 1975 if (opt.reproducible) { 1976 #if defined(MBEDTLS_HAVE_TIME) 1977 #if defined(MBEDTLS_PLATFORM_TIME_ALT) 1978 mbedtls_platform_set_time(dummy_constant_time); 1979 #else 1980 fprintf(stderr, "Warning: reproducible option used without constant time\n"); 1981 #endif 1982 #endif /* MBEDTLS_HAVE_TIME */ 1983 } 1984 mbedtls_ssl_conf_rng(&conf, rng_get, &rng); 1985 mbedtls_ssl_conf_dbg(&conf, my_debug, stdout); 1986 1987 mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout); 1988 1989 #if defined(MBEDTLS_SSL_SESSION_TICKETS) 1990 mbedtls_ssl_conf_session_tickets(&conf, opt.tickets); 1991 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 1992 if (opt.new_session_tickets != DFL_NEW_SESSION_TICKETS) { 1993 mbedtls_ssl_conf_tls13_enable_signal_new_session_tickets( 1994 &conf, opt.new_session_tickets); 1995 } 1996 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 1997 #endif /* MBEDTLS_SSL_SESSION_TICKETS */ 1998 1999 if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) { 2000 mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite); 2001 } 2002 2003 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 2004 mbedtls_ssl_conf_tls13_key_exchange_modes(&conf, opt.tls13_kex_modes); 2005 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 2006 2007 if (opt.allow_legacy != DFL_ALLOW_LEGACY) { 2008 mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy); 2009 } 2010 #if defined(MBEDTLS_SSL_RENEGOTIATION) 2011 mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation); 2012 if (opt.renego_delay != DFL_RENEGO_DELAY) { 2013 mbedtls_ssl_conf_renegotiation_enforced(&conf, opt.renego_delay); 2014 } 2015 #endif 2016 2017 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2018 if (strcmp(opt.ca_path, "none") != 0 && 2019 strcmp(opt.ca_file, "none") != 0) { 2020 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) 2021 if (opt.ca_callback != 0) { 2022 mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert); 2023 } else 2024 #endif 2025 mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL); 2026 } 2027 if (strcmp(opt.crt_file, "none") != 0 && 2028 strcmp(opt.key_file, "none") != 0) { 2029 if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) { 2030 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", 2031 ret); 2032 goto exit; 2033 } 2034 } 2035 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 2036 2037 #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \ 2038 (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \ 2039 defined(PSA_WANT_ALG_FFDH)) 2040 if (opt.groups != NULL && 2041 strcmp(opt.groups, "default") != 0) { 2042 mbedtls_ssl_conf_groups(&conf, group_list); 2043 } 2044 #endif 2045 2046 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2047 if (opt.sig_algs != NULL) { 2048 mbedtls_ssl_conf_sig_algs(&conf, sig_alg_list); 2049 } 2050 #endif 2051 2052 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) 2053 #if defined(MBEDTLS_USE_PSA_CRYPTO) 2054 if (opt.psk_opaque != 0) { 2055 key_attributes = psa_key_attributes_init(); 2056 psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE); 2057 psa_set_key_algorithm(&key_attributes, alg); 2058 psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE); 2059 2060 status = psa_import_key(&key_attributes, psk, psk_len, &slot); 2061 if (status != PSA_SUCCESS) { 2062 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; 2063 goto exit; 2064 } 2065 2066 if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, slot, 2067 (const unsigned char *) opt.psk_identity, 2068 strlen(opt.psk_identity))) != 0) { 2069 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n", 2070 ret); 2071 goto exit; 2072 } 2073 } else 2074 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 2075 if (psk_len > 0) { 2076 ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len, 2077 (const unsigned char *) opt.psk_identity, 2078 strlen(opt.psk_identity)); 2079 if (ret != 0) { 2080 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk returned %d\n\n", ret); 2081 goto exit; 2082 } 2083 } 2084 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ 2085 2086 if (opt.min_version != DFL_MIN_VERSION) { 2087 mbedtls_ssl_conf_min_tls_version(&conf, opt.min_version); 2088 } 2089 2090 if (opt.max_version != DFL_MAX_VERSION) { 2091 mbedtls_ssl_conf_max_tls_version(&conf, opt.max_version); 2092 } 2093 2094 #if defined(MBEDTLS_SSL_EARLY_DATA) 2095 if (opt.early_data != DFL_EARLY_DATA) { 2096 mbedtls_ssl_conf_early_data(&conf, opt.early_data); 2097 } 2098 #endif /* MBEDTLS_SSL_EARLY_DATA */ 2099 2100 if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { 2101 mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", 2102 (unsigned int) -ret); 2103 goto exit; 2104 } 2105 2106 if (opt.eap_tls != 0) { 2107 mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation, 2108 &eap_tls_keying); 2109 } else if (opt.nss_keylog != 0) { 2110 mbedtls_ssl_set_export_keys_cb(&ssl, 2111 nss_keylog_export, 2112 NULL); 2113 } 2114 #if defined(MBEDTLS_SSL_DTLS_SRTP) 2115 else if (opt.use_srtp != 0) { 2116 mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation, 2117 &dtls_srtp_keying); 2118 } 2119 #endif /* MBEDTLS_SSL_DTLS_SRTP */ 2120 2121 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2122 switch (opt.set_hostname) { 2123 case -1: 2124 if ((ret = mbedtls_ssl_set_hostname(&ssl, NULL)) != 0) { 2125 mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", 2126 ret); 2127 goto exit; 2128 } 2129 break; 2130 case 0: 2131 /* Skip the call */ 2132 break; 2133 default: 2134 if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) { 2135 mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", 2136 ret); 2137 goto exit; 2138 } 2139 break; 2140 } 2141 #endif 2142 2143 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) 2144 if (opt.ecjpake_pw != DFL_ECJPAKE_PW) { 2145 #if defined(MBEDTLS_USE_PSA_CRYPTO) 2146 if (opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE) { 2147 psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; 2148 2149 psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE); 2150 psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE); 2151 psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD); 2152 2153 status = psa_import_key(&attributes, 2154 (const unsigned char *) opt.ecjpake_pw, 2155 strlen(opt.ecjpake_pw), 2156 &ecjpake_pw_slot); 2157 if (status != PSA_SUCCESS) { 2158 mbedtls_printf(" failed\n ! psa_import_key returned %d\n\n", 2159 status); 2160 goto exit; 2161 } 2162 if ((ret = mbedtls_ssl_set_hs_ecjpake_password_opaque(&ssl, 2163 ecjpake_pw_slot)) != 0) { 2164 mbedtls_printf( 2165 " failed\n ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n", 2166 ret); 2167 goto exit; 2168 } 2169 mbedtls_printf("using opaque password\n"); 2170 } else 2171 #endif /* MBEDTLS_USE_PSA_CRYPTO */ 2172 { 2173 if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl, 2174 (const unsigned char *) opt.ecjpake_pw, 2175 strlen(opt.ecjpake_pw))) != 0) { 2176 mbedtls_printf(" failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", 2177 ret); 2178 goto exit; 2179 } 2180 } 2181 } 2182 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ 2183 2184 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2185 if (opt.context_crt_cb == 1) { 2186 mbedtls_ssl_set_verify(&ssl, my_verify, NULL); 2187 } 2188 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 2189 2190 io_ctx.ssl = &ssl; 2191 io_ctx.net = &server_fd; 2192 mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb, 2193 opt.nbio == 0 ? recv_timeout_cb : NULL); 2194 2195 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 2196 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { 2197 if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled, 2198 cid, cid_len)) != 0) { 2199 mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", 2200 ret); 2201 goto exit; 2202 } 2203 } 2204 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 2205 2206 #if defined(MBEDTLS_SSL_PROTO_DTLS) 2207 if (opt.dtls_mtu != DFL_DTLS_MTU) { 2208 mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu); 2209 } 2210 #endif 2211 2212 #if defined(MBEDTLS_TIMING_C) 2213 mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay, 2214 mbedtls_timing_get_delay); 2215 #endif 2216 2217 #if defined(MBEDTLS_ECP_RESTARTABLE) 2218 if (opt.ec_max_ops != DFL_EC_MAX_OPS) { 2219 mbedtls_ecp_set_max_ops(opt.ec_max_ops); 2220 } 2221 #endif 2222 2223 #if defined(MBEDTLS_SSL_DTLS_SRTP) 2224 if (opt.use_srtp != 0 && strlen(opt.mki) != 0) { 2225 if (mbedtls_test_unhexify(mki, sizeof(mki), 2226 opt.mki, &mki_len) != 0) { 2227 mbedtls_printf("mki value not valid hex\n"); 2228 goto exit; 2229 } 2230 2231 mbedtls_ssl_conf_srtp_mki_value_supported(&conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED); 2232 if ((ret = mbedtls_ssl_dtls_srtp_set_mki_value(&ssl, mki, 2233 (uint16_t) strlen(opt.mki) / 2)) != 0) { 2234 mbedtls_printf(" failed\n ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret); 2235 goto exit; 2236 } 2237 } 2238 #endif 2239 2240 mbedtls_printf(" ok\n"); 2241 2242 /* 2243 * 3. Start the connection 2244 */ 2245 if (opt.server_addr == NULL) { 2246 opt.server_addr = opt.server_name; 2247 } 2248 2249 mbedtls_printf(" . Connecting to %s/%s/%s...", 2250 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", 2251 opt.server_addr, opt.server_port); 2252 fflush(stdout); 2253 2254 if ((ret = mbedtls_net_connect(&server_fd, 2255 opt.server_addr, opt.server_port, 2256 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? 2257 MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) { 2258 mbedtls_printf(" failed\n ! mbedtls_net_connect returned -0x%x\n\n", 2259 (unsigned int) -ret); 2260 goto exit; 2261 } 2262 2263 if (opt.nbio > 0) { 2264 ret = mbedtls_net_set_nonblock(&server_fd); 2265 } else { 2266 ret = mbedtls_net_set_block(&server_fd); 2267 } 2268 if (ret != 0) { 2269 mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", 2270 (unsigned int) -ret); 2271 goto exit; 2272 } 2273 2274 mbedtls_printf(" ok\n"); 2275 2276 /* 2277 * 4. Handshake 2278 */ 2279 mbedtls_printf(" . Performing the SSL/TLS handshake..."); 2280 fflush(stdout); 2281 2282 while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { 2283 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2284 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 2285 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2286 mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n", 2287 (unsigned int) -ret); 2288 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2289 if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED || 2290 ret == MBEDTLS_ERR_SSL_BAD_CERTIFICATE) { 2291 mbedtls_printf( 2292 " Unable to verify the server's certificate. " 2293 "Either it is invalid,\n" 2294 " or you didn't set ca_file or ca_path " 2295 "to an appropriate value.\n" 2296 " Alternatively, you may want to use " 2297 "auth_mode=optional for testing purposes if " 2298 "not using TLS 1.3.\n" 2299 " For TLS 1.3 server, try `ca_path=/etc/ssl/certs/`" 2300 "or other folder that has root certificates\n"); 2301 2302 flags = mbedtls_ssl_get_verify_result(&ssl); 2303 char vrfy_buf[512]; 2304 x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags); 2305 mbedtls_printf("%s\n", vrfy_buf); 2306 } 2307 #endif 2308 mbedtls_printf("\n"); 2309 goto exit; 2310 } 2311 2312 #if defined(MBEDTLS_ECP_RESTARTABLE) 2313 if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2314 continue; 2315 } 2316 #endif 2317 2318 /* For event-driven IO, wait for socket to become available */ 2319 if (opt.event == 1 /* level triggered IO */) { 2320 #if defined(MBEDTLS_TIMING_C) 2321 ret = idle(&server_fd, &timer, ret); 2322 #else 2323 ret = idle(&server_fd, ret); 2324 #endif 2325 if (ret != 0) { 2326 goto exit; 2327 } 2328 } 2329 } 2330 2331 { 2332 int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl(&ssl); 2333 const mbedtls_ssl_ciphersuite_t *ciphersuite_info; 2334 ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(suite_id); 2335 2336 mbedtls_printf(" ok\n [ Protocol is %s ]\n" 2337 " [ Ciphersuite is %s ]\n" 2338 " [ Key size is %u ]\n", 2339 mbedtls_ssl_get_version(&ssl), 2340 mbedtls_ssl_ciphersuite_get_name(ciphersuite_info), 2341 (unsigned int) 2342 mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(ciphersuite_info)); 2343 } 2344 2345 if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) { 2346 mbedtls_printf(" [ Record expansion is %d ]\n", ret); 2347 } else { 2348 mbedtls_printf(" [ Record expansion is unknown ]\n"); 2349 } 2350 2351 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) 2352 mbedtls_printf(" [ Maximum incoming record payload length is %u ]\n", 2353 (unsigned int) mbedtls_ssl_get_max_in_record_payload(&ssl)); 2354 mbedtls_printf(" [ Maximum outgoing record payload length is %u ]\n", 2355 (unsigned int) mbedtls_ssl_get_max_out_record_payload(&ssl)); 2356 #endif 2357 2358 #if defined(MBEDTLS_SSL_ALPN) 2359 if (opt.alpn_string != NULL) { 2360 const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl); 2361 mbedtls_printf(" [ Application Layer Protocol is %s ]\n", 2362 alp ? alp : "(none)"); 2363 } 2364 #endif 2365 2366 if (opt.eap_tls != 0) { 2367 size_t j = 0; 2368 2369 if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, 2370 eap_tls_keying.master_secret, 2371 sizeof(eap_tls_keying.master_secret), 2372 eap_tls_label, 2373 eap_tls_keying.randbytes, 2374 sizeof(eap_tls_keying.randbytes), 2375 eap_tls_keymaterial, 2376 sizeof(eap_tls_keymaterial))) 2377 != 0) { 2378 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", 2379 (unsigned int) -ret); 2380 goto exit; 2381 } 2382 2383 mbedtls_printf(" EAP-TLS key material is:"); 2384 for (j = 0; j < sizeof(eap_tls_keymaterial); j++) { 2385 if (j % 8 == 0) { 2386 mbedtls_printf("\n "); 2387 } 2388 mbedtls_printf("%02x ", eap_tls_keymaterial[j]); 2389 } 2390 mbedtls_printf("\n"); 2391 2392 if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0, 2393 eap_tls_label, 2394 eap_tls_keying.randbytes, 2395 sizeof(eap_tls_keying.randbytes), 2396 eap_tls_iv, 2397 sizeof(eap_tls_iv))) != 0) { 2398 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", 2399 (unsigned int) -ret); 2400 goto exit; 2401 } 2402 2403 mbedtls_printf(" EAP-TLS IV is:"); 2404 for (j = 0; j < sizeof(eap_tls_iv); j++) { 2405 if (j % 8 == 0) { 2406 mbedtls_printf("\n "); 2407 } 2408 mbedtls_printf("%02x ", eap_tls_iv[j]); 2409 } 2410 mbedtls_printf("\n"); 2411 } 2412 2413 #if defined(MBEDTLS_SSL_DTLS_SRTP) 2414 else if (opt.use_srtp != 0) { 2415 size_t j = 0; 2416 mbedtls_dtls_srtp_info dtls_srtp_negotiation_result; 2417 mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result); 2418 2419 if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile 2420 == MBEDTLS_TLS_SRTP_UNSET) { 2421 mbedtls_printf(" Unable to negotiate " 2422 "the use of DTLS-SRTP\n"); 2423 } else { 2424 if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type, 2425 dtls_srtp_keying.master_secret, 2426 sizeof(dtls_srtp_keying.master_secret), 2427 dtls_srtp_label, 2428 dtls_srtp_keying.randbytes, 2429 sizeof(dtls_srtp_keying.randbytes), 2430 dtls_srtp_key_material, 2431 sizeof(dtls_srtp_key_material))) 2432 != 0) { 2433 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", 2434 (unsigned int) -ret); 2435 goto exit; 2436 } 2437 2438 mbedtls_printf(" DTLS-SRTP key material is:"); 2439 for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { 2440 if (j % 8 == 0) { 2441 mbedtls_printf("\n "); 2442 } 2443 mbedtls_printf("%02x ", dtls_srtp_key_material[j]); 2444 } 2445 mbedtls_printf("\n"); 2446 2447 /* produce a less readable output used to perform automatic checks 2448 * - compare client and server output 2449 * - interop test with openssl which client produces this kind of output 2450 */ 2451 mbedtls_printf(" Keying material: "); 2452 for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { 2453 mbedtls_printf("%02X", dtls_srtp_key_material[j]); 2454 } 2455 mbedtls_printf("\n"); 2456 2457 if (dtls_srtp_negotiation_result.mki_len > 0) { 2458 mbedtls_printf(" DTLS-SRTP mki value: "); 2459 for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) { 2460 mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]); 2461 } 2462 } else { 2463 mbedtls_printf(" DTLS-SRTP no mki value negotiated"); 2464 } 2465 mbedtls_printf("\n"); 2466 } 2467 } 2468 #endif /* MBEDTLS_SSL_DTLS_SRTP */ 2469 if (opt.reconnect != 0 && ssl.tls_version != MBEDTLS_SSL_VERSION_TLS1_3) { 2470 mbedtls_printf(" . Saving session for reuse..."); 2471 fflush(stdout); 2472 2473 if (opt.reco_mode == 1) { 2474 if ((ret = ssl_save_session_serialize(&ssl, 2475 &session_data, &session_data_len)) != 0) { 2476 mbedtls_printf(" failed\n ! ssl_save_session_serialize returned -0x%04x\n\n", 2477 (unsigned int) -ret); 2478 goto exit; 2479 } 2480 2481 } else { 2482 if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) { 2483 mbedtls_printf(" failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", 2484 (unsigned int) -ret); 2485 goto exit; 2486 } 2487 } 2488 2489 mbedtls_printf(" ok\n"); 2490 2491 if (opt.reco_mode == 1) { 2492 mbedtls_printf(" [ Saved %u bytes of session data]\n", 2493 (unsigned) session_data_len); 2494 } 2495 } 2496 2497 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2498 /* 2499 * 5. Verify the server certificate 2500 */ 2501 mbedtls_printf(" . Verifying peer X.509 certificate..."); 2502 2503 if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) { 2504 char vrfy_buf[512]; 2505 mbedtls_printf(" failed\n"); 2506 2507 x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), 2508 " ! ", flags); 2509 2510 mbedtls_printf("%s\n", vrfy_buf); 2511 } else { 2512 mbedtls_printf(" ok\n"); 2513 } 2514 2515 #if !defined(MBEDTLS_X509_REMOVE_INFO) 2516 mbedtls_printf(" . Peer certificate information ...\n"); 2517 mbedtls_printf("%s\n", peer_crt_info); 2518 #endif /* !MBEDTLS_X509_REMOVE_INFO */ 2519 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 2520 2521 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 2522 ret = report_cid_usage(&ssl, "initial handshake"); 2523 if (ret != 0) { 2524 goto exit; 2525 } 2526 2527 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { 2528 if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego, 2529 cid_renego, 2530 cid_renego_len)) != 0) { 2531 mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", 2532 ret); 2533 goto exit; 2534 } 2535 } 2536 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 2537 2538 #if defined(MBEDTLS_SSL_RENEGOTIATION) 2539 if (opt.renegotiate) { 2540 /* 2541 * Perform renegotiation (this must be done when the server is waiting 2542 * for input from our side). 2543 */ 2544 mbedtls_printf(" . Performing renegotiation..."); 2545 fflush(stdout); 2546 while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) { 2547 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2548 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 2549 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2550 mbedtls_printf(" failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", 2551 ret); 2552 goto exit; 2553 } 2554 2555 #if defined(MBEDTLS_ECP_RESTARTABLE) 2556 if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2557 continue; 2558 } 2559 #endif 2560 2561 /* For event-driven IO, wait for socket to become available */ 2562 if (opt.event == 1 /* level triggered IO */) { 2563 #if defined(MBEDTLS_TIMING_C) 2564 idle(&server_fd, &timer, ret); 2565 #else 2566 idle(&server_fd, ret); 2567 #endif 2568 } 2569 2570 } 2571 mbedtls_printf(" ok\n"); 2572 } 2573 2574 2575 #endif /* MBEDTLS_SSL_RENEGOTIATION */ 2576 2577 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) 2578 ret = report_cid_usage(&ssl, "after renegotiation"); 2579 if (ret != 0) { 2580 goto exit; 2581 } 2582 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ 2583 2584 #if defined(MBEDTLS_SSL_KEYING_MATERIAL_EXPORT) 2585 if (opt.exp_label != NULL && opt.exp_len > 0) { 2586 unsigned char *exported_key = mbedtls_calloc((size_t) opt.exp_len, sizeof(unsigned char)); 2587 if (exported_key == NULL) { 2588 mbedtls_printf("Could not allocate %d bytes\n", opt.exp_len); 2589 ret = 3; 2590 goto exit; 2591 } 2592 ret = mbedtls_ssl_export_keying_material(&ssl, exported_key, (size_t) opt.exp_len, 2593 opt.exp_label, strlen(opt.exp_label), 2594 NULL, 0, 0); 2595 if (ret != 0) { 2596 mbedtls_free(exported_key); 2597 goto exit; 2598 } 2599 mbedtls_printf("Exporting key of length %d with label \"%s\": 0x", 2600 opt.exp_len, 2601 opt.exp_label); 2602 for (i = 0; i < opt.exp_len; i++) { 2603 mbedtls_printf("%02X", exported_key[i]); 2604 } 2605 mbedtls_printf("\n\n"); 2606 fflush(stdout); 2607 mbedtls_free(exported_key); 2608 } 2609 #endif /* defined(MBEDTLS_SSL_KEYING_MATERIAL_EXPORT) */ 2610 2611 /* 2612 * 6. Write the GET request 2613 */ 2614 retry_left = opt.max_resend; 2615 send_request: 2616 mbedtls_printf(" > Write to server:"); 2617 fflush(stdout); 2618 2619 ret = build_http_request(buf, sizeof(buf) - 1, &len); 2620 if (ret != 0) { 2621 goto exit; 2622 } 2623 2624 if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { 2625 written = 0; 2626 frags = 0; 2627 2628 do { 2629 while ((ret = mbedtls_ssl_write(&ssl, buf + written, 2630 len - written)) < 0) { 2631 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2632 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 2633 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2634 mbedtls_printf(" failed\n ! mbedtls_ssl_write returned -0x%x\n\n", 2635 (unsigned int) -ret); 2636 goto exit; 2637 } 2638 2639 /* For event-driven IO, wait for socket to become available */ 2640 if (opt.event == 1 /* level triggered IO */) { 2641 #if defined(MBEDTLS_TIMING_C) 2642 idle(&server_fd, &timer, ret); 2643 #else 2644 idle(&server_fd, ret); 2645 #endif 2646 } 2647 } 2648 2649 frags++; 2650 written += ret; 2651 } while (written < len); 2652 } else { /* Not stream, so datagram */ 2653 while (1) { 2654 ret = mbedtls_ssl_write(&ssl, buf, len); 2655 2656 #if defined(MBEDTLS_ECP_RESTARTABLE) 2657 if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2658 continue; 2659 } 2660 #endif 2661 2662 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2663 ret != MBEDTLS_ERR_SSL_WANT_WRITE) { 2664 break; 2665 } 2666 2667 /* For event-driven IO, wait for socket to become available */ 2668 if (opt.event == 1 /* level triggered IO */) { 2669 #if defined(MBEDTLS_TIMING_C) 2670 idle(&server_fd, &timer, ret); 2671 #else 2672 idle(&server_fd, ret); 2673 #endif 2674 } 2675 } 2676 2677 if (ret < 0) { 2678 mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", 2679 ret); 2680 goto exit; 2681 } 2682 2683 frags = 1; 2684 written = ret; 2685 2686 if (written < len) { 2687 mbedtls_printf(" warning\n ! request didn't fit into single datagram and " 2688 "was truncated to size %u", (unsigned) written); 2689 } 2690 } 2691 2692 buf[written] = '\0'; 2693 mbedtls_printf( 2694 " %" MBEDTLS_PRINTF_SIZET " bytes written in %" MBEDTLS_PRINTF_SIZET " fragments\n\n%s\n", 2695 written, 2696 frags, 2697 (char *) buf); 2698 2699 /* Send a non-empty request if request_size == 0 */ 2700 if (len == 0) { 2701 opt.request_size = DFL_REQUEST_SIZE; 2702 goto send_request; 2703 } 2704 2705 /* 2706 * 7. Read the HTTP response 2707 */ 2708 2709 /* 2710 * TLS and DTLS need different reading styles (stream vs datagram) 2711 */ 2712 if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { 2713 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS) 2714 int ticket_id = 0; 2715 #endif 2716 do { 2717 len = sizeof(buf) - 1; 2718 memset(buf, 0, sizeof(buf)); 2719 ret = mbedtls_ssl_read(&ssl, buf, len); 2720 2721 #if defined(MBEDTLS_ECP_RESTARTABLE) 2722 if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2723 continue; 2724 } 2725 #endif 2726 2727 if (ret == MBEDTLS_ERR_SSL_WANT_READ || 2728 ret == MBEDTLS_ERR_SSL_WANT_WRITE) { 2729 /* For event-driven IO, wait for socket to become available */ 2730 if (opt.event == 1 /* level triggered IO */) { 2731 #if defined(MBEDTLS_TIMING_C) 2732 idle(&server_fd, &timer, ret); 2733 #else 2734 idle(&server_fd, ret); 2735 #endif 2736 } 2737 continue; 2738 } 2739 2740 if (ret <= 0) { 2741 switch (ret) { 2742 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: 2743 mbedtls_printf(" connection was closed gracefully\n"); 2744 ret = 0; 2745 goto close_notify; 2746 2747 case 0: 2748 case MBEDTLS_ERR_NET_CONN_RESET: 2749 mbedtls_printf(" connection was reset by peer\n"); 2750 ret = 0; 2751 goto reconnect; 2752 2753 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) 2754 2755 #if defined(MBEDTLS_SSL_SESSION_TICKETS) 2756 case MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET: 2757 /* We were waiting for application data but got 2758 * a NewSessionTicket instead. */ 2759 mbedtls_printf(" got new session ticket ( %d ).\n", 2760 ticket_id++); 2761 if (opt.reconnect != 0) { 2762 mbedtls_printf(" . Saving session for reuse..."); 2763 fflush(stdout); 2764 2765 if (opt.reco_mode == 1) { 2766 if ((ret = ssl_save_session_serialize(&ssl, 2767 &session_data, 2768 &session_data_len)) != 0) { 2769 mbedtls_printf( 2770 " failed\n ! ssl_save_session_serialize returned -0x%04x\n\n", 2771 (unsigned int) -ret); 2772 goto exit; 2773 } 2774 } else { 2775 if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) { 2776 mbedtls_printf( 2777 " failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", 2778 (unsigned int) -ret); 2779 goto exit; 2780 } 2781 } 2782 2783 mbedtls_printf(" ok\n"); 2784 2785 if (opt.reco_mode == 1) { 2786 mbedtls_printf(" [ Saved %u bytes of session data]\n", 2787 (unsigned) session_data_len); 2788 } 2789 } 2790 continue; 2791 #endif /* MBEDTLS_SSL_SESSION_TICKETS */ 2792 2793 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ 2794 2795 default: 2796 mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", 2797 (unsigned int) -ret); 2798 goto exit; 2799 } 2800 } 2801 2802 len = ret; 2803 buf[len] = '\0'; 2804 mbedtls_printf(" < Read from server: %" MBEDTLS_PRINTF_SIZET " bytes read\n\n%s", 2805 len, 2806 (char *) buf); 2807 fflush(stdout); 2808 /* End of message should be detected according to the syntax of the 2809 * application protocol (eg HTTP), just use a dummy test here. */ 2810 if (ret > 0 && buf[len-1] == '\n') { 2811 ret = 0; 2812 break; 2813 } 2814 } while (1); 2815 } else { /* Not stream, so datagram */ 2816 len = sizeof(buf) - 1; 2817 memset(buf, 0, sizeof(buf)); 2818 2819 while (1) { 2820 ret = mbedtls_ssl_read(&ssl, buf, len); 2821 2822 #if defined(MBEDTLS_ECP_RESTARTABLE) 2823 if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2824 continue; 2825 } 2826 #endif 2827 2828 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2829 ret != MBEDTLS_ERR_SSL_WANT_WRITE) { 2830 break; 2831 } 2832 2833 /* For event-driven IO, wait for socket to become available */ 2834 if (opt.event == 1 /* level triggered IO */) { 2835 #if defined(MBEDTLS_TIMING_C) 2836 idle(&server_fd, &timer, ret); 2837 #else 2838 idle(&server_fd, ret); 2839 #endif 2840 } 2841 } 2842 2843 if (ret <= 0) { 2844 switch (ret) { 2845 case MBEDTLS_ERR_SSL_TIMEOUT: 2846 mbedtls_printf(" timeout\n"); 2847 if (retry_left-- > 0) { 2848 goto send_request; 2849 } 2850 goto exit; 2851 2852 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: 2853 mbedtls_printf(" connection was closed gracefully\n"); 2854 ret = 0; 2855 goto close_notify; 2856 2857 default: 2858 mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret); 2859 goto exit; 2860 } 2861 } 2862 2863 len = ret; 2864 buf[len] = '\0'; 2865 mbedtls_printf(" < Read from server: %" MBEDTLS_PRINTF_SIZET " bytes read\n\n%s", 2866 len, 2867 (char *) buf); 2868 ret = 0; 2869 } 2870 2871 /* 2872 * 7b. Simulate hard reset and reconnect from same port? 2873 */ 2874 if (opt.reconnect_hard != 0) { 2875 opt.reconnect_hard = 0; 2876 2877 mbedtls_printf(" . Restarting connection from same port..."); 2878 fflush(stdout); 2879 2880 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 2881 memset(peer_crt_info, 0, sizeof(peer_crt_info)); 2882 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 2883 2884 if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) { 2885 mbedtls_printf(" failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", 2886 (unsigned int) -ret); 2887 goto exit; 2888 } 2889 2890 while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { 2891 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 2892 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 2893 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 2894 mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", 2895 (unsigned int) -ret); 2896 goto exit; 2897 } 2898 2899 /* For event-driven IO, wait for socket to become available */ 2900 if (opt.event == 1 /* level triggered IO */) { 2901 #if defined(MBEDTLS_TIMING_C) 2902 idle(&server_fd, &timer, ret); 2903 #else 2904 idle(&server_fd, ret); 2905 #endif 2906 } 2907 } 2908 2909 mbedtls_printf(" ok\n"); 2910 2911 goto send_request; 2912 } 2913 2914 /* 2915 * 7c. Simulate serialize/deserialize and go back to data exchange 2916 */ 2917 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) 2918 if (opt.serialize != 0) { 2919 size_t buf_len; 2920 2921 mbedtls_printf(" . Serializing live connection..."); 2922 2923 ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len); 2924 if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) { 2925 mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " 2926 "-0x%x\n\n", (unsigned int) -ret); 2927 2928 goto exit; 2929 } 2930 2931 if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) { 2932 mbedtls_printf(" failed\n ! Couldn't allocate buffer for " 2933 "serialized context"); 2934 2935 goto exit; 2936 } 2937 context_buf_len = buf_len; 2938 2939 if ((ret = mbedtls_ssl_context_save(&ssl, context_buf, 2940 buf_len, &buf_len)) != 0) { 2941 mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " 2942 "-0x%x\n\n", (unsigned int) -ret); 2943 2944 goto exit; 2945 } 2946 2947 mbedtls_printf(" ok\n"); 2948 2949 /* Save serialized context to the 'opt.context_file' as a base64 code */ 2950 if (0 < strlen(opt.context_file)) { 2951 FILE *b64_file; 2952 uint8_t *b64_buf; 2953 size_t b64_len; 2954 2955 mbedtls_printf(" . Save serialized context to a file... "); 2956 2957 mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len); 2958 2959 if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) { 2960 mbedtls_printf("failed\n ! Couldn't allocate buffer for " 2961 "the base64 code\n"); 2962 goto exit; 2963 } 2964 2965 if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len, 2966 context_buf, buf_len)) != 0) { 2967 mbedtls_printf("failed\n ! mbedtls_base64_encode returned " 2968 "-0x%x\n", (unsigned int) -ret); 2969 mbedtls_free(b64_buf); 2970 goto exit; 2971 } 2972 2973 if ((b64_file = fopen(opt.context_file, "w")) == NULL) { 2974 mbedtls_printf("failed\n ! Cannot open '%s' for writing.\n", 2975 opt.context_file); 2976 mbedtls_free(b64_buf); 2977 goto exit; 2978 } 2979 2980 if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) { 2981 mbedtls_printf("failed\n ! fwrite(%ld bytes) failed\n", 2982 (long) b64_len); 2983 mbedtls_free(b64_buf); 2984 fclose(b64_file); 2985 goto exit; 2986 } 2987 2988 mbedtls_free(b64_buf); 2989 fclose(b64_file); 2990 2991 mbedtls_printf("ok\n"); 2992 } 2993 2994 if (opt.serialize == 1) { 2995 /* nothing to do here, done by context_save() already */ 2996 mbedtls_printf(" . Context has been reset... ok\n"); 2997 } 2998 2999 if (opt.serialize == 2) { 3000 mbedtls_printf(" . Freeing and reinitializing context..."); 3001 3002 mbedtls_ssl_free(&ssl); 3003 3004 mbedtls_ssl_init(&ssl); 3005 3006 if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { 3007 mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned " 3008 "-0x%x\n\n", (unsigned int) -ret); 3009 goto exit; 3010 } 3011 3012 if (opt.nbio == 2) { 3013 mbedtls_ssl_set_bio(&ssl, &server_fd, delayed_send, 3014 delayed_recv, NULL); 3015 } else { 3016 mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, 3017 mbedtls_net_recv, 3018 opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL); 3019 } 3020 3021 #if defined(MBEDTLS_TIMING_C) 3022 mbedtls_ssl_set_timer_cb(&ssl, &timer, 3023 mbedtls_timing_set_delay, 3024 mbedtls_timing_get_delay); 3025 #endif /* MBEDTLS_TIMING_C */ 3026 3027 mbedtls_printf(" ok\n"); 3028 } 3029 3030 mbedtls_printf(" . Deserializing connection..."); 3031 3032 if ((ret = mbedtls_ssl_context_load(&ssl, context_buf, 3033 buf_len)) != 0) { 3034 mbedtls_printf("failed\n ! mbedtls_ssl_context_load returned " 3035 "-0x%x\n\n", (unsigned int) -ret); 3036 3037 goto exit; 3038 } 3039 3040 mbedtls_free(context_buf); 3041 context_buf = NULL; 3042 context_buf_len = 0; 3043 3044 mbedtls_printf(" ok\n"); 3045 } 3046 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */ 3047 3048 /* 3049 * 7d. Continue doing data exchanges? 3050 */ 3051 if (--opt.exchanges > 0) { 3052 goto send_request; 3053 } 3054 3055 /* 3056 * 8. Done, cleanly close the connection 3057 */ 3058 close_notify: 3059 mbedtls_printf(" . Closing the connection..."); 3060 fflush(stdout); 3061 3062 /* 3063 * Most of the time sending a close_notify before closing is the right 3064 * thing to do. However, when the server already knows how many messages 3065 * are expected and closes the connection by itself, this alert becomes 3066 * redundant. Sometimes with DTLS this redundancy becomes a problem by 3067 * leading to a race condition where the server might close the connection 3068 * before seeing the alert, and since UDP is connection-less when the 3069 * alert arrives it will be seen as a new connection, which will fail as 3070 * the alert is clearly not a valid ClientHello. This may cause spurious 3071 * failures in tests that use DTLS and resumption with ssl_server2 in 3072 * ssl-opt.sh, avoided by enabling skip_close_notify client-side. 3073 */ 3074 if (opt.skip_close_notify == 0) { 3075 /* No error checking, the connection might be closed already */ 3076 do { 3077 ret = mbedtls_ssl_close_notify(&ssl); 3078 } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE); 3079 ret = 0; 3080 } 3081 3082 mbedtls_printf(" done\n"); 3083 3084 /* 3085 * 9. Reconnect? 3086 */ 3087 reconnect: 3088 if (opt.reconnect != 0) { 3089 --opt.reconnect; 3090 3091 mbedtls_net_free(&server_fd); 3092 3093 #if defined(MBEDTLS_TIMING_C) 3094 if (opt.reco_delay > 0) { 3095 mbedtls_net_usleep(1000 * opt.reco_delay); 3096 } 3097 #endif 3098 3099 mbedtls_printf(" . Reconnecting with saved session..."); 3100 3101 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 3102 memset(peer_crt_info, 0, sizeof(peer_crt_info)); 3103 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 3104 3105 if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) { 3106 mbedtls_printf(" failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", 3107 (unsigned int) -ret); 3108 goto exit; 3109 } 3110 3111 if (opt.reco_mode == 1) { 3112 if ((ret = mbedtls_ssl_session_load(&saved_session, 3113 session_data, 3114 session_data_len)) != 0) { 3115 mbedtls_printf(" failed\n ! mbedtls_ssl_session_load returned -0x%x\n\n", 3116 (unsigned int) -ret); 3117 goto exit; 3118 } 3119 } 3120 3121 if ((ret = mbedtls_ssl_set_session(&ssl, &saved_session)) != 0) { 3122 mbedtls_printf(" failed\n ! mbedtls_ssl_set_session returned -0x%x\n\n", 3123 (unsigned int) -ret); 3124 goto exit; 3125 } 3126 3127 #if defined(MBEDTLS_X509_CRT_PARSE_C) 3128 if (opt.reco_server_name != NULL && 3129 (ret = mbedtls_ssl_set_hostname(&ssl, 3130 opt.reco_server_name)) != 0) { 3131 mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", 3132 ret); 3133 goto exit; 3134 } 3135 #endif 3136 3137 if ((ret = mbedtls_net_connect(&server_fd, 3138 opt.server_addr, opt.server_port, 3139 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? 3140 MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) { 3141 mbedtls_printf(" failed\n ! mbedtls_net_connect returned -0x%x\n\n", 3142 (unsigned int) -ret); 3143 goto exit; 3144 } 3145 3146 if (opt.nbio > 0) { 3147 ret = mbedtls_net_set_nonblock(&server_fd); 3148 } else { 3149 ret = mbedtls_net_set_block(&server_fd); 3150 } 3151 if (ret != 0) { 3152 mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", 3153 (unsigned int) -ret); 3154 goto exit; 3155 } 3156 3157 ret = build_http_request(buf, sizeof(buf) - 1, &len); 3158 if (ret != 0) { 3159 goto exit; 3160 } 3161 3162 #if defined(MBEDTLS_SSL_EARLY_DATA) 3163 if (ssl.conf->early_data_enabled == MBEDTLS_SSL_EARLY_DATA_ENABLED) { 3164 frags = 0; 3165 written = 0; 3166 do { 3167 while ((ret = mbedtls_ssl_write_early_data(&ssl, buf + written, 3168 len - written)) < 0) { 3169 if (ret == MBEDTLS_ERR_SSL_CANNOT_WRITE_EARLY_DATA) { 3170 goto end_of_early_data; 3171 } 3172 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 3173 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 3174 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 3175 mbedtls_printf(" failed\n ! mbedtls_ssl_write returned -0x%x\n\n", 3176 (unsigned int) -ret); 3177 goto exit; 3178 } 3179 3180 /* For event-driven IO, wait for socket to become available */ 3181 if (opt.event == 1 /* level triggered IO */) { 3182 #if defined(MBEDTLS_TIMING_C) 3183 idle(&server_fd, &timer, ret); 3184 #else 3185 idle(&server_fd, ret); 3186 #endif 3187 } 3188 } 3189 3190 frags++; 3191 written += ret; 3192 } while (written < len); 3193 3194 end_of_early_data: 3195 3196 buf[written] = '\0'; 3197 mbedtls_printf( 3198 " %" MBEDTLS_PRINTF_SIZET " bytes of early data written in %" MBEDTLS_PRINTF_SIZET " fragments\n\n%s\n", 3199 written, 3200 frags, 3201 (char *) buf); 3202 } 3203 #endif /* MBEDTLS_SSL_EARLY_DATA */ 3204 3205 while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { 3206 if (ret != MBEDTLS_ERR_SSL_WANT_READ && 3207 ret != MBEDTLS_ERR_SSL_WANT_WRITE && 3208 ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { 3209 mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", 3210 (unsigned int) -ret); 3211 goto exit; 3212 } 3213 } 3214 3215 mbedtls_printf(" ok\n"); 3216 3217 goto send_request; 3218 } 3219 3220 /* 3221 * Cleanup and exit 3222 */ 3223 exit: 3224 #ifdef MBEDTLS_ERROR_C 3225 if (ret != 0) { 3226 char error_buf[100]; 3227 mbedtls_strerror(ret, error_buf, 100); 3228 mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf); 3229 } 3230 #endif 3231 3232 mbedtls_net_free(&server_fd); 3233 3234 mbedtls_ssl_free(&ssl); 3235 mbedtls_ssl_config_free(&conf); 3236 mbedtls_ssl_session_free(&saved_session); 3237 3238 if (session_data != NULL) { 3239 mbedtls_platform_zeroize(session_data, session_data_len); 3240 } 3241 mbedtls_free(session_data); 3242 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) 3243 if (context_buf != NULL) { 3244 mbedtls_platform_zeroize(context_buf, context_buf_len); 3245 } 3246 mbedtls_free(context_buf); 3247 #endif 3248 3249 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) 3250 mbedtls_x509_crt_free(&clicert); 3251 mbedtls_x509_crt_free(&cacert); 3252 mbedtls_pk_free(&pkey); 3253 #if defined(MBEDTLS_USE_PSA_CRYPTO) 3254 psa_destroy_key(key_slot); 3255 #endif 3256 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ 3257 3258 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) && \ 3259 defined(MBEDTLS_USE_PSA_CRYPTO) 3260 if (opt.psk_opaque != 0) { 3261 /* This is ok even if the slot hasn't been 3262 * initialized (we might have jumed here 3263 * immediately because of bad cmd line params, 3264 * for example). */ 3265 status = psa_destroy_key(slot); 3266 if ((status != PSA_SUCCESS) && 3267 (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) { 3268 mbedtls_printf("Failed to destroy key slot %u - error was %d", 3269 (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot), 3270 (int) status); 3271 if (ret == 0) { 3272 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; 3273 } 3274 } 3275 } 3276 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED && 3277 MBEDTLS_USE_PSA_CRYPTO */ 3278 3279 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \ 3280 defined(MBEDTLS_USE_PSA_CRYPTO) 3281 /* 3282 * In case opaque keys it's the user responsibility to keep the key valid 3283 * for the duration of the handshake and destroy it at the end 3284 */ 3285 if ((opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE)) { 3286 psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT; 3287 3288 /* Verify that the key is still valid before destroying it */ 3289 if (psa_get_key_attributes(ecjpake_pw_slot, &check_attributes) != 3290 PSA_SUCCESS) { 3291 if (ret == 0) { 3292 ret = 1; 3293 } 3294 mbedtls_printf("The EC J-PAKE password key has unexpectedly been already destroyed\n"); 3295 } else { 3296 psa_destroy_key(ecjpake_pw_slot); 3297 } 3298 } 3299 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED && MBEDTLS_USE_PSA_CRYPTO */ 3300 3301 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) 3302 const char *message = mbedtls_test_helper_is_psa_leaking(); 3303 if (message) { 3304 if (ret == 0) { 3305 ret = 1; 3306 } 3307 mbedtls_printf("PSA memory leak detected: %s\n", message); 3308 } 3309 #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ 3310 3311 /* For builds with MBEDTLS_TEST_USE_PSA_CRYPTO_RNG psa crypto 3312 * resources are freed by rng_free(). */ 3313 /* For builds with MBEDTLS_SSL_PROTO_TLS1_3, PSA may have been 3314 * initialized under the hood by the TLS layer. See 3315 * mbedtls_ssl_tls13_crypto_init(). */ 3316 #if (defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)) && \ 3317 !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) 3318 mbedtls_psa_crypto_free(); 3319 #endif 3320 3321 rng_free(&rng); 3322 3323 #if defined(MBEDTLS_TEST_HOOKS) 3324 if (test_hooks_failure_detected()) { 3325 if (ret == 0) { 3326 ret = 1; 3327 } 3328 mbedtls_printf("Test hooks detected errors.\n"); 3329 } 3330 test_hooks_free(); 3331 #endif /* MBEDTLS_TEST_HOOKS */ 3332 3333 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) 3334 #if defined(MBEDTLS_MEMORY_DEBUG) 3335 mbedtls_memory_buffer_alloc_status(); 3336 #endif 3337 mbedtls_memory_buffer_alloc_free(); 3338 #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */ 3339 3340 // Shell can not handle large exit numbers -> 1 for errors 3341 if (ret < 0) { 3342 ret = 1; 3343 } 3344 3345 if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { 3346 mbedtls_exit(ret); 3347 } else { 3348 mbedtls_exit(query_config_ret); 3349 } 3350 } 3351 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */