/* * SSL client with certificate authentication * * Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ #define MBEDTLS_ALLOW_PRIVATE_ACCESS #include "ssl_test_lib.h" #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) #include "test/psa_crypto_helpers.h" #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) int main(void) { mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE); mbedtls_exit(0); } #elif !defined(MBEDTLS_SSL_CLI_C) int main(void) { mbedtls_printf("MBEDTLS_SSL_CLI_C not defined.\n"); mbedtls_exit(0); } #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */ /* Size of memory to be allocated for the heap, when using the library's memory * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */ #define MEMORY_HEAP_SIZE 120000 #define MAX_REQUEST_SIZE 20000 #define MAX_REQUEST_SIZE_STR "20000" #define DFL_SERVER_NAME "localhost" #define DFL_SERVER_ADDR NULL #define DFL_SERVER_PORT "4433" #define DFL_REQUEST_PAGE "/" #define DFL_REQUEST_SIZE -1 #define DFL_DEBUG_LEVEL 0 #define DFL_CONTEXT_CRT_CB 0 #define DFL_NBIO 0 #define DFL_EVENT 0 #define DFL_READ_TIMEOUT 0 #define DFL_MAX_RESEND 0 #define DFL_CA_FILE "" #define DFL_CA_PATH "" #define DFL_CRT_FILE "" #define DFL_KEY_FILE "" #define DFL_KEY_OPAQUE 0 #define DFL_KEY_PWD "" #define DFL_PSK "" #define DFL_EARLY_DATA_FILE "" #define DFL_PSK_OPAQUE 0 #define DFL_PSK_IDENTITY "Client_identity" #define DFL_ECJPAKE_PW NULL #define DFL_ECJPAKE_PW_OPAQUE 0 #define DFL_EC_MAX_OPS -1 #define DFL_FORCE_CIPHER 0 #define DFL_TLS1_3_KEX_MODES MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED #define DFL_ALLOW_LEGACY -2 #define DFL_RENEGOTIATE 0 #define DFL_EXCHANGES 1 #define DFL_MIN_VERSION -1 #define DFL_MAX_VERSION -1 #define DFL_SHA1 -1 #define DFL_AUTH_MODE -1 #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE #define DFL_TRUNC_HMAC -1 #define DFL_RECSPLIT -1 #define DFL_DHMLEN -1 #define DFL_RECONNECT 0 #define DFL_RECO_SERVER_NAME NULL #define DFL_RECO_DELAY 0 #define DFL_RECO_MODE 1 #define DFL_CID_ENABLED 0 #define DFL_CID_VALUE "" #define DFL_CID_ENABLED_RENEGO -1 #define DFL_CID_VALUE_RENEGO NULL #define DFL_RECONNECT_HARD 0 #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED #define DFL_ALPN_STRING NULL #define DFL_GROUPS NULL #define DFL_SIG_ALGS NULL #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM #define DFL_HS_TO_MIN 0 #define DFL_HS_TO_MAX 0 #define DFL_DTLS_MTU -1 #define DFL_DGRAM_PACKING 1 #define DFL_FALLBACK -1 #define DFL_EXTENDED_MS -1 #define DFL_ETM -1 #define DFL_SERIALIZE 0 #define DFL_CONTEXT_FILE "" #define DFL_EXTENDED_MS_ENFORCE -1 #define DFL_CA_CALLBACK 0 #define DFL_EAP_TLS 0 #define DFL_REPRODUCIBLE 0 #define DFL_NSS_KEYLOG 0 #define DFL_NSS_KEYLOG_FILE NULL #define DFL_SKIP_CLOSE_NOTIFY 0 #define DFL_QUERY_CONFIG_MODE 0 #define DFL_USE_SRTP 0 #define DFL_SRTP_FORCE_PROFILE 0 #define DFL_SRTP_MKI "" #define DFL_KEY_OPAQUE_ALG "none" #define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: " #define GET_REQUEST_END "\r\n\r\n" #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) #define USAGE_CONTEXT_CRT_CB \ " context_crt_cb=%%d This determines whether the CRT verification callback is bound\n" \ " to the SSL configuration of the SSL context.\n" \ " Possible values:\n" \ " - 0 (default): Use CRT callback bound to configuration\n" \ " - 1: Use CRT callback bound to SSL context\n" #else #define USAGE_CONTEXT_CRT_CB "" #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) #if defined(MBEDTLS_FS_IO) #define USAGE_IO \ " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \ " default: \"\" (pre-loaded)\n" \ " use \"none\" to skip loading any top-level CAs.\n" \ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \ " default: \"\" (pre-loaded) (overrides ca_file)\n" \ " use \"none\" to skip loading any top-level CAs.\n" \ " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \ " default: \"\" (pre-loaded)\n" \ " key_file=%%s default: \"\" (pre-loaded)\n" \ " key_pwd=%%s Password for key specified by key_file argument\n" \ " default: none\n" #else #define USAGE_IO \ " No file operations available (MBEDTLS_FS_IO not defined)\n" #endif /* MBEDTLS_FS_IO */ #else /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #define USAGE_IO "" #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) #define USAGE_KEY_OPAQUE \ " key_opaque=%%d Handle your private key as if it were opaque\n" \ " default: 0 (disabled)\n" #else #define USAGE_KEY_OPAQUE "" #endif #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) #define USAGE_CID \ " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \ " default: 0 (disabled)\n" \ " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \ " default: same as 'cid' parameter\n" \ " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \ " default: \"\"\n" \ " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \ " default: same as 'cid_val' parameter\n" #else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #define USAGE_CID "" #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) #define USAGE_PSK_RAW \ " psk=%%s default: \"\" (disabled)\n" \ " The PSK values are in hex, without 0x.\n" \ " psk_identity=%%s default: \"Client_identity\"\n" #if defined(MBEDTLS_USE_PSA_CRYPTO) #define USAGE_PSK_SLOT \ " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \ " Enable this to store the PSK configured through command line\n" \ " parameter `psk` in a PSA-based key slot.\n" \ " Note: Currently only supported in conjunction with\n" \ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \ " to force a particular PSK-only ciphersuite.\n" \ " Note: This is to test integration of PSA-based opaque PSKs with\n" \ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \ " with prepopulated key slots instead of importing raw key material.\n" #else #define USAGE_PSK_SLOT "" #endif /* MBEDTLS_USE_PSA_CRYPTO */ #define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT #else #define USAGE_PSK "" #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) #define USAGE_CA_CALLBACK \ " ca_callback=%%d default: 0 (disabled)\n" \ " Enable this to use the trusted certificate callback function\n" #else #define USAGE_CA_CALLBACK "" #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */ #if defined(MBEDTLS_SSL_SESSION_TICKETS) #define USAGE_TICKETS \ " tickets=%%d default: 1 (enabled)\n" #else #define USAGE_TICKETS "" #endif /* MBEDTLS_SSL_SESSION_TICKETS */ #define USAGE_EAP_TLS \ " eap_tls=%%d default: 0 (disabled)\n" #define USAGE_NSS_KEYLOG \ " nss_keylog=%%d default: 0 (disabled)\n" \ " This cannot be used with eap_tls=1\n" #define USAGE_NSS_KEYLOG_FILE \ " nss_keylog_file=%%s\n" #if defined(MBEDTLS_SSL_DTLS_SRTP) #define USAGE_SRTP \ " use_srtp=%%d default: 0 (disabled)\n" \ " This cannot be used with eap_tls=1 or " \ " nss_keylog=1\n" \ " srtp_force_profile=%%d default: 0 (all enabled)\n" \ " available profiles:\n" \ " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \ " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \ " 3 - SRTP_NULL_HMAC_SHA1_80\n" \ " 4 - SRTP_NULL_HMAC_SHA1_32\n" \ " mki=%%s default: \"\" (in hex, without 0x)\n" #else /* MBEDTLS_SSL_DTLS_SRTP */ #define USAGE_SRTP "" #endif #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) #define USAGE_MAX_FRAG_LEN \ " max_frag_len=%%d default: 16384 (tls default)\n" \ " options: 512, 1024, 2048, 4096\n" #else #define USAGE_MAX_FRAG_LEN "" #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ #if defined(MBEDTLS_DHM_C) #define USAGE_DHMLEN \ " dhmlen=%%d default: (library default: 1024 bits)\n" #else #define USAGE_DHMLEN #endif #if defined(MBEDTLS_SSL_ALPN) #define USAGE_ALPN \ " alpn=%%s default: \"\" (disabled)\n" \ " example: spdy/1,http/1.1\n" #else #define USAGE_ALPN "" #endif /* MBEDTLS_SSL_ALPN */ #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \ (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \ defined(PSA_WANT_ALG_FFDH)) #define USAGE_GROUPS \ " groups=a,b,c,d default: \"default\" (library default)\n" \ " example: \"secp521r1,brainpoolP512r1\"\n" \ " - use \"none\" for empty list\n" \ " - see mbedtls_ecp_curve_list()\n" \ " for acceptable EC group names\n" \ " - the following ffdh groups are supported:\n" \ " ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144,\n" \ " ffdhe8192\n" #else #define USAGE_GROUPS "" #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) #define USAGE_SIG_ALGS \ " sig_algs=a,b,c,d default: \"default\" (library default)\n" \ " example: \"ecdsa_secp256r1_sha256,ecdsa_secp384r1_sha384\"\n" #else #define USAGE_SIG_ALGS "" #endif #if defined(MBEDTLS_SSL_PROTO_DTLS) #define USAGE_DTLS \ " dtls=%%d default: 0 (TLS)\n" \ " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \ " range of DTLS handshake timeouts in millisecs\n" \ " mtu=%%d default: (library default: unlimited)\n" \ " dgram_packing=%%d default: 1 (allowed)\n" \ " allow or forbid packing of multiple\n" \ " records within a single datgram.\n" #else #define USAGE_DTLS "" #endif #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) #define USAGE_EMS \ " extended_ms=0/1 default: (library default: on)\n" #else #define USAGE_EMS "" #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) #define USAGE_ETM \ " etm=0/1 default: (library default: on)\n" #else #define USAGE_ETM "" #endif #define USAGE_REPRODUCIBLE \ " reproducible=0/1 default: 0 (disabled)\n" #if defined(MBEDTLS_SSL_RENEGOTIATION) #define USAGE_RENEGO \ " renegotiation=%%d default: 0 (disabled)\n" \ " renegotiate=%%d default: 0 (disabled)\n" #else #define USAGE_RENEGO "" #endif #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) #if defined(MBEDTLS_USE_PSA_CRYPTO) #define USAGE_ECJPAKE \ " ecjpake_pw=%%s default: none (disabled)\n" \ " ecjpake_pw_opaque=%%d default: 0 (disabled)\n" #else /* MBEDTLS_USE_PSA_CRYPTO */ #define USAGE_ECJPAKE \ " ecjpake_pw=%%s default: none (disabled)\n" #endif /* MBEDTLS_USE_PSA_CRYPTO */ #else /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ #define USAGE_ECJPAKE "" #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ #if defined(MBEDTLS_ECP_RESTARTABLE) #define USAGE_ECRESTART \ " ec_max_ops=%%s default: library default (restart disabled)\n" #else #define USAGE_ECRESTART "" #endif #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) #define USAGE_SERIALIZATION \ " serialize=%%d default: 0 (do not serialize/deserialize)\n" \ " options: 1 (serialize)\n" \ " 2 (serialize with re-initialization)\n" \ " context_file=%%s The file path to write a serialized connection\n" \ " in the form of base64 code (serialize option\n" \ " must be set)\n" \ " default: \"\" (do nothing)\n" \ " option: a file path\n" #else #define USAGE_SERIALIZATION "" #endif #if defined(MBEDTLS_SSL_EARLY_DATA) #define USAGE_EARLY_DATA \ " early_data=%%s The file path to read early data from\n" \ " default: \"\" (do nothing)\n" \ " option: a file path\n" #else #define USAGE_EARLY_DATA "" #endif /* MBEDTLS_SSL_EARLY_DATA && MBEDTLS_SSL_PROTO_TLS1_3 */ #define USAGE_KEY_OPAQUE_ALGS \ " key_opaque_algs=%%s Allowed opaque key algorithms.\n" \ " comma-separated pair of values among the following:\n" \ " rsa-sign-pkcs1, rsa-sign-pss, rsa-sign-pss-sha256,\n" \ " rsa-sign-pss-sha384, rsa-sign-pss-sha512, rsa-decrypt,\n" \ " ecdsa-sign, ecdh, none (only acceptable for\n" \ " the second value).\n" \ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \ " tls13_kex_modes=%%s default: all\n" \ " options: psk, psk_ephemeral, psk_all, ephemeral,\n" \ " ephemeral_all, all, psk_or_ephemeral\n" #else #define USAGE_TLS1_3_KEY_EXCHANGE_MODES "" #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ /* USAGE is arbitrarily split to stay under the portable string literal * length limit: 4095 bytes in C99. */ #define USAGE1 \ "\n usage: ssl_client2 param=<>...\n" \ "\n acceptable parameters:\n" \ " server_name=%%s default: localhost\n" \ " server_addr=%%s default: given by name\n" \ " server_port=%%d default: 4433\n" \ " request_page=%%s default: \".\"\n" \ " request_size=%%d default: about 34 (basic request)\n" \ " (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \ " If 0, in the first exchange only an empty\n" \ " application data message is sent followed by\n" \ " a second non-empty message before attempting\n" \ " to read a response from the server\n" \ " debug_level=%%d default: 0 (disabled)\n" \ " build_version=%%d default: none (disabled)\n" \ " option: 1 (print build version only and stop)\n" \ " nbio=%%d default: 0 (blocking I/O)\n" \ " options: 1 (non-blocking), 2 (added delays)\n" \ " event=%%d default: 0 (loop)\n" \ " options: 1 (level-triggered, implies nbio=1),\n" \ " read_timeout=%%d default: 0 ms (no timeout)\n" \ " max_resend=%%d default: 0 (no resend on timeout)\n" \ " skip_close_notify=%%d default: 0 (send close_notify)\n" \ "\n" \ USAGE_DTLS \ USAGE_CID \ USAGE_SRTP \ "\n" #define USAGE2 \ " auth_mode=%%s default: (library default: none)\n" \ " options: none, optional, required\n" \ USAGE_IO \ USAGE_KEY_OPAQUE \ USAGE_CA_CALLBACK \ "\n" \ USAGE_PSK \ USAGE_ECJPAKE \ USAGE_ECRESTART \ "\n" #define USAGE3 \ " allow_legacy=%%d default: (library default: no)\n" \ USAGE_RENEGO \ " exchanges=%%d default: 1\n" \ " reconnect=%%d number of reconnections using session resumption\n" \ " default: 0 (disabled)\n" \ " reco_server_name=%%s default: NULL\n" \ " reco_delay=%%d default: 0 milliseconds\n" \ " reco_mode=%%d 0: copy session, 1: serialize session\n" \ " default: 1\n" \ " reconnect_hard=%%d default: 0 (disabled)\n" \ USAGE_TICKETS \ USAGE_EAP_TLS \ USAGE_MAX_FRAG_LEN \ USAGE_CONTEXT_CRT_CB \ USAGE_ALPN \ USAGE_EMS \ USAGE_ETM \ USAGE_REPRODUCIBLE \ USAGE_GROUPS \ USAGE_SIG_ALGS \ USAGE_EARLY_DATA \ USAGE_DHMLEN \ USAGE_KEY_OPAQUE_ALGS \ "\n" #if defined(MBEDTLS_SSL_PROTO_TLS1_3) #define TLS1_3_VERSION_OPTIONS ", tls13" #else /* MBEDTLS_SSL_PROTO_TLS1_3 */ #define TLS1_3_VERSION_OPTIONS "" #endif /* !MBEDTLS_SSL_PROTO_TLS1_3 */ #define USAGE4 \ " allow_sha1=%%d default: 0\n" \ " min_version=%%s default: (library default: tls12)\n" \ " max_version=%%s default: (library default: tls12)\n" \ " force_version=%%s default: \"\" (none)\n" \ " options: tls12, dtls12" TLS1_3_VERSION_OPTIONS \ "\n\n" \ " force_ciphersuite= default: all enabled\n" \ USAGE_TLS1_3_KEY_EXCHANGE_MODES \ " query_config= return 0 if the specified\n" \ " configuration macro is defined and 1\n" \ " otherwise. The expansion of the macro\n" \ " is printed if it is defined\n" \ USAGE_SERIALIZATION \ "\n" /* * global options */ struct options { const char *server_name; /* hostname of the server (client only) */ const char *server_addr; /* address of the server (client only) */ const char *server_port; /* port on which the ssl service runs */ int debug_level; /* level of debugging */ int nbio; /* should I/O be blocking? */ int event; /* loop or event-driven IO? level or edge triggered? */ uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ int max_resend; /* DTLS times to resend on read timeout */ const char *request_page; /* page on server to request */ int request_size; /* pad request with header to requested size */ const char *ca_file; /* the file with the CA certificate(s) */ const char *ca_path; /* the path with the CA certificate(s) reside */ const char *crt_file; /* the file with the client certificate */ const char *key_file; /* the file with the client key */ int key_opaque; /* handle private key as if it were opaque */ #if defined(MBEDTLS_USE_PSA_CRYPTO) int psk_opaque; #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) int ca_callback; /* Use callback for trusted certificate list */ #endif const char *key_pwd; /* the password for the client key */ const char *psk; /* the pre-shared key */ const char *psk_identity; /* the pre-shared key identity */ const char *ecjpake_pw; /* the EC J-PAKE password */ #if defined(MBEDTLS_USE_PSA_CRYPTO) int ecjpake_pw_opaque; /* set to 1 to use the opaque method for setting the password */ #endif int ec_max_ops; /* EC consecutive operations limit */ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ #if defined(MBEDTLS_SSL_PROTO_TLS1_3) int tls13_kex_modes; /* supported TLS 1.3 key exchange modes */ #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ int renegotiation; /* enable / disable renegotiation */ int allow_legacy; /* allow legacy renegotiation */ int renegotiate; /* attempt renegotiation? */ int renego_delay; /* delay before enforcing renegotiation */ int exchanges; /* number of data exchanges */ int min_version; /* minimum protocol version accepted */ int max_version; /* maximum protocol version accepted */ int allow_sha1; /* flag for SHA-1 support */ int auth_mode; /* verify mode for connection */ unsigned char mfl_code; /* code for maximum fragment length */ int trunc_hmac; /* negotiate truncated hmac or not */ int recsplit; /* enable record splitting? */ int dhmlen; /* minimum DHM params len in bits */ int reconnect; /* attempt to resume session */ const char *reco_server_name; /* hostname of the server (re-connect) */ int reco_delay; /* delay in seconds before resuming session */ int reco_mode; /* how to keep the session around */ int reconnect_hard; /* unexpectedly reconnect from the same port */ int tickets; /* enable / disable session tickets */ const char *groups; /* list of supported groups */ const char *sig_algs; /* supported TLS 1.3 signature algorithms */ const char *alpn_string; /* ALPN supported protocols */ int transport; /* TLS or DTLS? */ uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ uint32_t hs_to_max; /* Max value of DTLS handshake timer */ int dtls_mtu; /* UDP Maximum transport unit for DTLS */ int fallback; /* is this a fallback connection? */ int dgram_packing; /* allow/forbid datagram packing */ int extended_ms; /* negotiate extended master secret? */ int etm; /* negotiate encrypt then mac? */ int context_crt_cb; /* use context-specific CRT verify callback */ int eap_tls; /* derive EAP-TLS keying material? */ int nss_keylog; /* export NSS key log material */ const char *nss_keylog_file; /* NSS key log file */ int cid_enabled; /* whether to use the CID extension or not */ int cid_enabled_renego; /* whether to use the CID extension or not * during renegotiation */ const char *cid_val; /* the CID to use for incoming messages */ int serialize; /* serialize/deserialize connection */ const char *context_file; /* the file to write a serialized connection * in the form of base64 code (serialize * option must be set) */ const char *cid_val_renego; /* the CID to use for incoming messages * after renegotiation */ int reproducible; /* make communication reproducible */ int skip_close_notify; /* skip sending the close_notify alert */ #if defined(MBEDTLS_SSL_EARLY_DATA) const char *early_data_file; /* the path of the file containing the * early data to send */ #endif int query_config_mode; /* whether to read config */ int use_srtp; /* Support SRTP */ int force_srtp_profile; /* SRTP protection profile to use or all */ const char *mki; /* The dtls mki value to use */ const char *key_opaque_alg1; /* Allowed opaque key alg 1 */ const char *key_opaque_alg2; /* Allowed Opaque key alg 2 */ } opt; #include "ssl_test_common_source.c" #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) static unsigned char peer_crt_info[1024]; /* * Enabled if debug_level > 1 in code below */ static int my_verify(void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags) { char buf[1024]; ((void) data); mbedtls_printf("\nVerify requested for (Depth %d):\n", depth); #if !defined(MBEDTLS_X509_REMOVE_INFO) mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt); if (depth == 0) { memcpy(peer_crt_info, buf, sizeof(buf)); } if (opt.debug_level == 0) { return 0; } mbedtls_printf("%s", buf); #else ((void) crt); ((void) depth); #endif if ((*flags) == 0) { mbedtls_printf(" This certificate has no flags\n"); } else { x509_crt_verify_info(buf, sizeof(buf), " ! ", *flags); mbedtls_printf("%s\n", buf); } return 0; } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) int report_cid_usage(mbedtls_ssl_context *ssl, const char *additional_description) { int ret; unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX]; size_t peer_cid_len; int cid_negotiated; if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) { return 0; } /* Check if the use of a CID has been negotiated, * but don't ask for the CID value and length. * * Note: Here and below, we're demonstrating the various ways * in which mbedtls_ssl_get_peer_cid() can be called, * depending on whether or not the length/value of the * peer's CID is needed. * * An actual application, however, should use * just one call to mbedtls_ssl_get_peer_cid(). */ ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, NULL, NULL); if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", (unsigned int) -ret); return ret; } if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) { if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) { mbedtls_printf("(%s) Use of Connection ID was rejected by the server.\n", additional_description); } } else { size_t idx = 0; mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n", additional_description); /* Ask for just the length of the peer's CID. */ ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, NULL, &peer_cid_len); if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", (unsigned int) -ret); return ret; } /* Ask for just length + value of the peer's CID. */ ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, peer_cid, &peer_cid_len); if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", (unsigned int) -ret); return ret; } mbedtls_printf("(%s) Peer CID (length %u Bytes): ", additional_description, (unsigned) peer_cid_len); while (idx < peer_cid_len) { mbedtls_printf("%02x ", peer_cid[idx]); idx++; } mbedtls_printf("\n"); } return 0; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ static int ssl_save_session_serialize(mbedtls_ssl_context *ssl, unsigned char **session_data, size_t *session_data_len) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_ssl_session exported_session; /* free any previously saved data */ if (*session_data != NULL) { mbedtls_platform_zeroize(*session_data, *session_data_len); mbedtls_free(*session_data); *session_data = NULL; *session_data_len = 0; } mbedtls_ssl_session_init(&exported_session); ret = mbedtls_ssl_get_session(ssl, &exported_session); if (ret != 0) { mbedtls_printf( "failed\n ! mbedtls_ssl_get_session() returned -%#02x\n", (unsigned) -ret); goto exit; } /* get size of the buffer needed */ (void) mbedtls_ssl_session_save(&exported_session, NULL, 0, session_data_len); *session_data = mbedtls_calloc(1, *session_data_len); if (*session_data == NULL) { mbedtls_printf(" failed\n ! alloc %u bytes for session data\n", (unsigned) *session_data_len); ret = MBEDTLS_ERR_SSL_ALLOC_FAILED; goto exit; } /* actually save session data */ if ((ret = mbedtls_ssl_session_save(&exported_session, *session_data, *session_data_len, session_data_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_session_saved returned -0x%04x\n\n", (unsigned int) -ret); goto exit; } exit: mbedtls_ssl_session_free(&exported_session); return ret; } #if defined(MBEDTLS_SSL_EARLY_DATA) #define MBEDTLS_ERR_FILE_IO_ERROR -2 static int ssl_read_file_text(const char *path, unsigned char **buffer, size_t *length) { FILE *f; long size; if ((f = fopen(path, "rb")) == NULL) { return MBEDTLS_ERR_FILE_IO_ERROR; } fseek(f, 0, SEEK_END); if ((size = ftell(f)) == -1) { fclose(f); return MBEDTLS_ERR_FILE_IO_ERROR; } fseek(f, 0, SEEK_SET); *length = (size_t) size; if (*length + 1 == 0 || (*buffer = mbedtls_calloc(1, *length + 1)) == NULL) { fclose(f); return MBEDTLS_ERR_SSL_ALLOC_FAILED; } if (fread(*buffer, 1, *length, f) != *length) { fclose(f); return MBEDTLS_ERR_FILE_IO_ERROR; } fclose(f); (*buffer)[*length] = '\0'; return 0; } #endif /* MBEDTLS_SSL_EARLY_DATA */ int main(int argc, char *argv[]) { int ret = 0, len, tail_len, i, written, frags, retry_left; int query_config_ret = 0; mbedtls_net_context server_fd; io_ctx_t io_ctx; #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) uint16_t sig_alg_list[SIG_ALG_LIST_SIZE]; #endif unsigned char buf[MAX_REQUEST_SIZE + 1]; #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) unsigned char psk[MBEDTLS_PSK_MAX_LEN]; size_t psk_len = 0; #endif #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX]; unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX]; size_t cid_len = 0; size_t cid_renego_len = 0; #endif #if defined(MBEDTLS_SSL_EARLY_DATA) unsigned char *early_data = NULL; #endif /* MBEDTLS_SSL_EARLY_DATA */ #if defined(MBEDTLS_SSL_ALPN) const char *alpn_list[ALPN_LIST_SIZE]; #endif #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) unsigned char alloc_buf[MEMORY_HEAP_SIZE]; #endif uint16_t group_list[GROUP_LIST_SIZE]; #if defined(MBEDTLS_SSL_DTLS_SRTP) unsigned char mki[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH]; size_t mki_len = 0; #endif const char *pers = "ssl_client2"; #if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) mbedtls_svc_key_id_t slot = MBEDTLS_SVC_KEY_ID_INIT; psa_algorithm_t alg = 0; psa_key_attributes_t key_attributes; #endif psa_status_t status; #elif defined(MBEDTLS_SSL_PROTO_TLS1_3) psa_status_t status; #endif rng_context_t rng; mbedtls_ssl_context ssl; mbedtls_ssl_config conf; mbedtls_ssl_session saved_session; unsigned char *session_data = NULL; size_t session_data_len = 0; #if defined(MBEDTLS_TIMING_C) mbedtls_timing_delay_context timer; #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) uint32_t flags; mbedtls_x509_crt cacert; mbedtls_x509_crt clicert; mbedtls_pk_context pkey; mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default; #if defined(MBEDTLS_USE_PSA_CRYPTO) mbedtls_svc_key_id_t key_slot = MBEDTLS_SVC_KEY_ID_INIT; /* invalid key slot */ #endif #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ char *p, *q; const int *list; #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) unsigned char *context_buf = NULL; size_t context_buf_len; #endif unsigned char eap_tls_keymaterial[16]; unsigned char eap_tls_iv[8]; const char *eap_tls_label = "client EAP encryption"; eap_tls_keys eap_tls_keying; #if defined(MBEDTLS_SSL_DTLS_SRTP) /*! master keys and master salt for SRTP generated during handshake */ unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH]; const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp"; dtls_srtp_keys dtls_srtp_keying; const mbedtls_ssl_srtp_profile default_profiles[] = { MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32, MBEDTLS_TLS_SRTP_UNSET }; #endif /* MBEDTLS_SSL_DTLS_SRTP */ #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \ defined(MBEDTLS_USE_PSA_CRYPTO) mbedtls_svc_key_id_t ecjpake_pw_slot = MBEDTLS_SVC_KEY_ID_INIT; /* ecjpake password key slot */ #endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf)); #endif #if defined(MBEDTLS_TEST_HOOKS) test_hooks_init(); #endif /* MBEDTLS_TEST_HOOKS */ /* * Make sure memory references are valid. */ mbedtls_net_init(&server_fd); mbedtls_ssl_init(&ssl); mbedtls_ssl_config_init(&conf); memset(&saved_session, 0, sizeof(mbedtls_ssl_session)); rng_init(&rng); #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) mbedtls_x509_crt_init(&cacert); mbedtls_x509_crt_init(&clicert); mbedtls_pk_init(&pkey); #endif #if defined(MBEDTLS_SSL_ALPN) memset((void *) alpn_list, 0, sizeof(alpn_list)); #endif #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) status = psa_crypto_init(); if (status != PSA_SUCCESS) { mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n", (int) status); ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; goto exit; } #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) mbedtls_test_enable_insecure_external_rng(); #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */ opt.server_name = DFL_SERVER_NAME; opt.server_addr = DFL_SERVER_ADDR; opt.server_port = DFL_SERVER_PORT; opt.debug_level = DFL_DEBUG_LEVEL; opt.cid_enabled = DFL_CID_ENABLED; opt.cid_val = DFL_CID_VALUE; opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO; opt.cid_val_renego = DFL_CID_VALUE_RENEGO; opt.nbio = DFL_NBIO; opt.event = DFL_EVENT; opt.context_crt_cb = DFL_CONTEXT_CRT_CB; opt.read_timeout = DFL_READ_TIMEOUT; opt.max_resend = DFL_MAX_RESEND; opt.request_page = DFL_REQUEST_PAGE; opt.request_size = DFL_REQUEST_SIZE; opt.ca_file = DFL_CA_FILE; opt.ca_path = DFL_CA_PATH; opt.crt_file = DFL_CRT_FILE; opt.key_file = DFL_KEY_FILE; opt.key_opaque = DFL_KEY_OPAQUE; opt.key_pwd = DFL_KEY_PWD; opt.psk = DFL_PSK; #if defined(MBEDTLS_USE_PSA_CRYPTO) opt.psk_opaque = DFL_PSK_OPAQUE; #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) opt.ca_callback = DFL_CA_CALLBACK; #endif opt.psk_identity = DFL_PSK_IDENTITY; opt.ecjpake_pw = DFL_ECJPAKE_PW; #if defined(MBEDTLS_USE_PSA_CRYPTO) opt.ecjpake_pw_opaque = DFL_ECJPAKE_PW_OPAQUE; #endif opt.ec_max_ops = DFL_EC_MAX_OPS; opt.force_ciphersuite[0] = DFL_FORCE_CIPHER; #if defined(MBEDTLS_SSL_PROTO_TLS1_3) opt.tls13_kex_modes = DFL_TLS1_3_KEX_MODES; #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ opt.renegotiation = DFL_RENEGOTIATION; opt.allow_legacy = DFL_ALLOW_LEGACY; opt.renegotiate = DFL_RENEGOTIATE; opt.exchanges = DFL_EXCHANGES; opt.min_version = DFL_MIN_VERSION; opt.max_version = DFL_MAX_VERSION; opt.allow_sha1 = DFL_SHA1; opt.auth_mode = DFL_AUTH_MODE; opt.mfl_code = DFL_MFL_CODE; opt.trunc_hmac = DFL_TRUNC_HMAC; opt.recsplit = DFL_RECSPLIT; opt.dhmlen = DFL_DHMLEN; opt.reconnect = DFL_RECONNECT; opt.reco_server_name = DFL_RECO_SERVER_NAME; opt.reco_delay = DFL_RECO_DELAY; opt.reco_mode = DFL_RECO_MODE; opt.reconnect_hard = DFL_RECONNECT_HARD; opt.tickets = DFL_TICKETS; opt.alpn_string = DFL_ALPN_STRING; opt.groups = DFL_GROUPS; opt.sig_algs = DFL_SIG_ALGS; #if defined(MBEDTLS_SSL_EARLY_DATA) opt.early_data_file = DFL_EARLY_DATA_FILE; #endif opt.transport = DFL_TRANSPORT; opt.hs_to_min = DFL_HS_TO_MIN; opt.hs_to_max = DFL_HS_TO_MAX; opt.dtls_mtu = DFL_DTLS_MTU; opt.fallback = DFL_FALLBACK; opt.extended_ms = DFL_EXTENDED_MS; opt.etm = DFL_ETM; opt.dgram_packing = DFL_DGRAM_PACKING; opt.serialize = DFL_SERIALIZE; opt.context_file = DFL_CONTEXT_FILE; opt.eap_tls = DFL_EAP_TLS; opt.reproducible = DFL_REPRODUCIBLE; opt.nss_keylog = DFL_NSS_KEYLOG; opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE; opt.skip_close_notify = DFL_SKIP_CLOSE_NOTIFY; opt.query_config_mode = DFL_QUERY_CONFIG_MODE; opt.use_srtp = DFL_USE_SRTP; opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE; opt.mki = DFL_SRTP_MKI; opt.key_opaque_alg1 = DFL_KEY_OPAQUE_ALG; opt.key_opaque_alg2 = DFL_KEY_OPAQUE_ALG; p = q = NULL; if (argc < 1) { usage: if (p != NULL && q != NULL) { printf("unrecognized value for '%s': '%s'\n", p, q); } else if (p != NULL && q == NULL) { printf("unrecognized param: '%s'\n", p); } mbedtls_printf("usage: ssl_client2 [param=value] [...]\n"); mbedtls_printf(" ssl_client2 help[_theme]\n"); mbedtls_printf("'help' lists acceptable 'param' and 'value'\n"); mbedtls_printf("'help_ciphersuites' lists available ciphersuites\n"); mbedtls_printf("\n"); if (ret == 0) { ret = 1; } goto exit; } for (i = 1; i < argc; i++) { p = argv[i]; if (strcmp(p, "help") == 0) { mbedtls_printf(USAGE1); mbedtls_printf(USAGE2); mbedtls_printf(USAGE3); mbedtls_printf(USAGE4); ret = 0; goto exit; } if (strcmp(p, "help_ciphersuites") == 0) { mbedtls_printf(" acceptable ciphersuite names:\n"); for (list = mbedtls_ssl_list_ciphersuites(); *list != 0; list++) { mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); } ret = 0; goto exit; } if ((q = strchr(p, '=')) == NULL) { mbedtls_printf("param requires a value: '%s'\n", p); p = NULL; // avoid "unrecnognized param" message goto usage; } *q++ = '\0'; if (strcmp(p, "server_name") == 0) { opt.server_name = q; } else if (strcmp(p, "server_addr") == 0) { opt.server_addr = q; } else if (strcmp(p, "server_port") == 0) { opt.server_port = q; } else if (strcmp(p, "dtls") == 0) { int t = atoi(q); if (t == 0) { opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM; } else if (t == 1) { opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else { goto usage; } } else if (strcmp(p, "debug_level") == 0) { opt.debug_level = atoi(q); if (opt.debug_level < 0 || opt.debug_level > 65535) { goto usage; } } else if (strcmp(p, "build_version") == 0) { if (strcmp(q, "1") == 0) { mbedtls_printf("build version: %s (build %d)\n", MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER); goto exit; } } else if (strcmp(p, "context_crt_cb") == 0) { opt.context_crt_cb = atoi(q); if (opt.context_crt_cb != 0 && opt.context_crt_cb != 1) { goto usage; } } else if (strcmp(p, "nbio") == 0) { opt.nbio = atoi(q); if (opt.nbio < 0 || opt.nbio > 2) { goto usage; } } else if (strcmp(p, "event") == 0) { opt.event = atoi(q); if (opt.event < 0 || opt.event > 2) { goto usage; } } else if (strcmp(p, "read_timeout") == 0) { opt.read_timeout = atoi(q); } else if (strcmp(p, "max_resend") == 0) { opt.max_resend = atoi(q); if (opt.max_resend < 0) { goto usage; } } else if (strcmp(p, "request_page") == 0) { opt.request_page = q; } else if (strcmp(p, "request_size") == 0) { opt.request_size = atoi(q); if (opt.request_size < 0 || opt.request_size > MAX_REQUEST_SIZE) { goto usage; } } else if (strcmp(p, "ca_file") == 0) { opt.ca_file = q; } else if (strcmp(p, "ca_path") == 0) { opt.ca_path = q; } else if (strcmp(p, "crt_file") == 0) { opt.crt_file = q; } else if (strcmp(p, "key_file") == 0) { opt.key_file = q; } else if (strcmp(p, "key_pwd") == 0) { opt.key_pwd = q; } #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) else if (strcmp(p, "key_opaque") == 0) { opt.key_opaque = atoi(q); } #endif #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) else if (strcmp(p, "cid") == 0) { opt.cid_enabled = atoi(q); if (opt.cid_enabled != 0 && opt.cid_enabled != 1) { goto usage; } } else if (strcmp(p, "cid_renego") == 0) { opt.cid_enabled_renego = atoi(q); if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) { goto usage; } } else if (strcmp(p, "cid_val") == 0) { opt.cid_val = q; } else if (strcmp(p, "cid_val_renego") == 0) { opt.cid_val_renego = q; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ else if (strcmp(p, "psk") == 0) { opt.psk = q; } #if defined(MBEDTLS_USE_PSA_CRYPTO) else if (strcmp(p, "psk_opaque") == 0) { opt.psk_opaque = atoi(q); } #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) else if (strcmp(p, "ca_callback") == 0) { opt.ca_callback = atoi(q); } #endif else if (strcmp(p, "psk_identity") == 0) { opt.psk_identity = q; } else if (strcmp(p, "ecjpake_pw") == 0) { opt.ecjpake_pw = q; } #if defined(MBEDTLS_USE_PSA_CRYPTO) else if (strcmp(p, "ecjpake_pw_opaque") == 0) { opt.ecjpake_pw_opaque = atoi(q); } #endif else if (strcmp(p, "ec_max_ops") == 0) { opt.ec_max_ops = atoi(q); } else if (strcmp(p, "force_ciphersuite") == 0) { opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q); if (opt.force_ciphersuite[0] == 0) { ret = 2; goto usage; } opt.force_ciphersuite[1] = 0; } else if (strcmp(p, "renegotiation") == 0) { opt.renegotiation = (atoi(q)) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED; } else if (strcmp(p, "allow_legacy") == 0) { switch (atoi(q)) { case -1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; break; case 0: opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; break; case 1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; break; default: goto usage; } } else if (strcmp(p, "renegotiate") == 0) { opt.renegotiate = atoi(q); if (opt.renegotiate < 0 || opt.renegotiate > 1) { goto usage; } } else if (strcmp(p, "exchanges") == 0) { opt.exchanges = atoi(q); if (opt.exchanges < 1) { goto usage; } } else if (strcmp(p, "reconnect") == 0) { opt.reconnect = atoi(q); if (opt.reconnect < 0 || opt.reconnect > 2) { goto usage; } } else if (strcmp(p, "reco_server_name") == 0) { opt.reco_server_name = q; } else if (strcmp(p, "reco_delay") == 0) { opt.reco_delay = atoi(q); if (opt.reco_delay < 0) { goto usage; } } else if (strcmp(p, "reco_mode") == 0) { opt.reco_mode = atoi(q); if (opt.reco_mode < 0) { goto usage; } } else if (strcmp(p, "reconnect_hard") == 0) { opt.reconnect_hard = atoi(q); if (opt.reconnect_hard < 0 || opt.reconnect_hard > 1) { goto usage; } } else if (strcmp(p, "tickets") == 0) { opt.tickets = atoi(q); if (opt.tickets < 0) { goto usage; } } else if (strcmp(p, "alpn") == 0) { opt.alpn_string = q; } else if (strcmp(p, "extended_ms") == 0) { switch (atoi(q)) { case 0: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; break; case 1: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; break; default: goto usage; } } else if (strcmp(p, "groups") == 0) { opt.groups = q; } #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) else if (strcmp(p, "sig_algs") == 0) { opt.sig_algs = q; } #endif else if (strcmp(p, "etm") == 0) { switch (atoi(q)) { case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break; case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break; default: goto usage; } } #if defined(MBEDTLS_SSL_PROTO_TLS1_3) #if defined(MBEDTLS_SSL_EARLY_DATA) else if (strcmp(p, "early_data") == 0) { opt.early_data_file = q; } #endif /* MBEDTLS_SSL_EARLY_DATA */ else if (strcmp(p, "tls13_kex_modes") == 0) { if (strcmp(q, "psk") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK; } else if (strcmp(q, "psk_ephemeral") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL; } else if (strcmp(q, "ephemeral") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL; } else if (strcmp(q, "ephemeral_all") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL; } else if (strcmp(q, "psk_all") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL; } else if (strcmp(q, "all") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL; } else if (strcmp(q, "psk_or_ephemeral") == 0) { opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK | MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL; } else { goto usage; } } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ else if (strcmp(p, "min_version") == 0) { if (strcmp(q, "tls12") == 0 || strcmp(q, "dtls12") == 0) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; } #if defined(MBEDTLS_SSL_PROTO_TLS1_3) else if (strcmp(q, "tls13") == 0) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3; } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ else { goto usage; } } else if (strcmp(p, "max_version") == 0) { if (strcmp(q, "tls12") == 0 || strcmp(q, "dtls12") == 0) { opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; } #if defined(MBEDTLS_SSL_PROTO_TLS1_3) else if (strcmp(q, "tls13") == 0) { opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3; } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ else { goto usage; } } else if (strcmp(p, "allow_sha1") == 0) { switch (atoi(q)) { case 0: opt.allow_sha1 = 0; break; case 1: opt.allow_sha1 = 1; break; default: goto usage; } } else if (strcmp(p, "force_version") == 0) { if (strcmp(q, "tls12") == 0) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; } else if (strcmp(q, "dtls12") == 0) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2; opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } #if defined(MBEDTLS_SSL_PROTO_TLS1_3) else if (strcmp(q, "tls13") == 0) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3; opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3; } #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ else { goto usage; } } else if (strcmp(p, "auth_mode") == 0) { if (strcmp(q, "none") == 0) { opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE; } else if (strcmp(q, "optional") == 0) { opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL; } else if (strcmp(q, "required") == 0) { opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED; } else { goto usage; } } else if (strcmp(p, "max_frag_len") == 0) { if (strcmp(q, "512") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512; } else if (strcmp(q, "1024") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024; } else if (strcmp(q, "2048") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048; } else if (strcmp(q, "4096") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096; } else { goto usage; } } else if (strcmp(p, "trunc_hmac") == 0) { switch (atoi(q)) { case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break; case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break; default: goto usage; } } else if (strcmp(p, "hs_timeout") == 0) { if ((p = strchr(q, '-')) == NULL) { goto usage; } *p++ = '\0'; opt.hs_to_min = atoi(q); opt.hs_to_max = atoi(p); if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) { goto usage; } } else if (strcmp(p, "mtu") == 0) { opt.dtls_mtu = atoi(q); if (opt.dtls_mtu < 0) { goto usage; } } else if (strcmp(p, "dgram_packing") == 0) { opt.dgram_packing = atoi(q); if (opt.dgram_packing != 0 && opt.dgram_packing != 1) { goto usage; } } else if (strcmp(p, "recsplit") == 0) { opt.recsplit = atoi(q); if (opt.recsplit < 0 || opt.recsplit > 1) { goto usage; } } else if (strcmp(p, "dhmlen") == 0) { opt.dhmlen = atoi(q); if (opt.dhmlen < 0) { goto usage; } } else if (strcmp(p, "query_config") == 0) { opt.query_config_mode = 1; query_config_ret = query_config(q); goto exit; } else if (strcmp(p, "serialize") == 0) { opt.serialize = atoi(q); if (opt.serialize < 0 || opt.serialize > 2) { goto usage; } } else if (strcmp(p, "context_file") == 0) { opt.context_file = q; } else if (strcmp(p, "eap_tls") == 0) { opt.eap_tls = atoi(q); if (opt.eap_tls < 0 || opt.eap_tls > 1) { goto usage; } } else if (strcmp(p, "reproducible") == 0) { opt.reproducible = 1; } else if (strcmp(p, "nss_keylog") == 0) { opt.nss_keylog = atoi(q); if (opt.nss_keylog < 0 || opt.nss_keylog > 1) { goto usage; } } else if (strcmp(p, "nss_keylog_file") == 0) { opt.nss_keylog_file = q; } else if (strcmp(p, "skip_close_notify") == 0) { opt.skip_close_notify = atoi(q); if (opt.skip_close_notify < 0 || opt.skip_close_notify > 1) { goto usage; } } else if (strcmp(p, "use_srtp") == 0) { opt.use_srtp = atoi(q); } else if (strcmp(p, "srtp_force_profile") == 0) { opt.force_srtp_profile = atoi(q); } else if (strcmp(p, "mki") == 0) { opt.mki = q; } else if (strcmp(p, "key_opaque_algs") == 0) { if (key_opaque_alg_parse(q, &opt.key_opaque_alg1, &opt.key_opaque_alg2) != 0) { goto usage; } } else { /* This signals that the problem is with p not q */ q = NULL; goto usage; } } /* This signals that any further errors are not with a single option */ p = q = NULL; if (opt.nss_keylog != 0 && opt.eap_tls != 0) { mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n"); goto usage; } /* Event-driven IO is incompatible with the above custom * receive and send functions, as the polling builds on * refers to the underlying net_context. */ if (opt.event == 1 && opt.nbio != 1) { mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n"); opt.nbio = 1; } #if defined(MBEDTLS_DEBUG_C) mbedtls_debug_set_threshold(opt.debug_level); #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) /* * Unhexify the pre-shared key if any is given */ if (strlen(opt.psk)) { if (mbedtls_test_unhexify(psk, sizeof(psk), opt.psk, &psk_len) != 0) { mbedtls_printf("pre-shared key not valid\n"); goto exit; } } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { if (opt.psk == NULL) { mbedtls_printf("psk_opaque set but no psk to be imported specified.\n"); ret = 2; goto usage; } if (opt.force_ciphersuite[0] <= 0) { mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n"); ret = 2; goto usage; } } #endif /* MBEDTLS_USE_PSA_CRYPTO */ if (opt.force_ciphersuite[0] > 0) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info; ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]); if (opt.max_version != -1 && ciphersuite_info->min_tls_version > opt.max_version) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } if (opt.min_version != -1 && ciphersuite_info->max_tls_version < opt.min_version) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } /* If the server selects a version that's not supported by * this suite, then there will be no common ciphersuite... */ if (opt.max_version == -1 || opt.max_version > ciphersuite_info->max_tls_version) { opt.max_version = ciphersuite_info->max_tls_version; } if (opt.min_version < ciphersuite_info->min_tls_version) { opt.min_version = ciphersuite_info->min_tls_version; /* DTLS starts with TLS 1.2 */ if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM && opt.min_version < MBEDTLS_SSL_VERSION_TLS1_2) { opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2; } } #if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) if (opt.psk_opaque != 0) { /* Determine KDF algorithm the opaque PSK will be used in. */ #if defined(MBEDTLS_MD_CAN_SHA384) if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) { alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384); } else #endif /* MBEDTLS_MD_CAN_SHA384 */ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256); } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ #endif /* MBEDTLS_USE_PSA_CRYPTO */ } #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (mbedtls_test_unhexify(cid, sizeof(cid), opt.cid_val, &cid_len) != 0) { mbedtls_printf("CID not valid\n"); goto exit; } /* Keep CID settings for renegotiation unless * specified otherwise. */ if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) { opt.cid_enabled_renego = opt.cid_enabled; } if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) { opt.cid_val_renego = opt.cid_val; } if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego), opt.cid_val_renego, &cid_renego_len) != 0) { mbedtls_printf("CID not valid\n"); goto exit; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ if (opt.groups != NULL) { if (parse_groups(opt.groups, group_list, GROUP_LIST_SIZE) != 0) { goto exit; } } #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) if (opt.sig_algs != NULL) { p = (char *) opt.sig_algs; i = 0; /* Leave room for a final MBEDTLS_TLS1_3_SIG_NONE in signature algorithm list (sig_alg_list). */ while (i < SIG_ALG_LIST_SIZE - 1 && *p != '\0') { q = p; /* Terminate the current string */ while (*p != ',' && *p != '\0') { p++; } if (*p == ',') { *p++ = '\0'; } if (strcmp(q, "rsa_pkcs1_sha256") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256; } else if (strcmp(q, "rsa_pkcs1_sha384") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384; } else if (strcmp(q, "rsa_pkcs1_sha512") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512; } else if (strcmp(q, "ecdsa_secp256r1_sha256") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256; } else if (strcmp(q, "ecdsa_secp384r1_sha384") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384; } else if (strcmp(q, "ecdsa_secp521r1_sha512") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512; } else if (strcmp(q, "rsa_pss_rsae_sha256") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256; } else if (strcmp(q, "rsa_pss_rsae_sha384") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384; } else if (strcmp(q, "rsa_pss_rsae_sha512") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512; } else if (strcmp(q, "ed25519") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED25519; } else if (strcmp(q, "ed448") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED448; } else if (strcmp(q, "rsa_pss_pss_sha256") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256; } else if (strcmp(q, "rsa_pss_pss_sha384") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384; } else if (strcmp(q, "rsa_pss_pss_sha512") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512; } else if (strcmp(q, "rsa_pkcs1_sha1") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1; } else if (strcmp(q, "ecdsa_sha1") == 0) { sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SHA1; } else { ret = -1; mbedtls_printf("unknown signature algorithm \"%s\"\n", q); mbedtls_print_supported_sig_algs(); goto exit; } } if (i == (SIG_ALG_LIST_SIZE - 1) && *p != '\0') { mbedtls_printf("signature algorithm list too long, maximum %d", SIG_ALG_LIST_SIZE - 1); goto exit; } sig_alg_list[i] = MBEDTLS_TLS1_3_SIG_NONE; } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { p = (char *) opt.alpn_string; i = 0; /* Leave room for a final NULL in alpn_list */ while (i < ALPN_LIST_SIZE - 1 && *p != '\0') { alpn_list[i++] = p; /* Terminate the current string and move on to next one */ while (*p != ',' && *p != '\0') { p++; } if (*p == ',') { *p++ = '\0'; } } } #endif /* MBEDTLS_SSL_ALPN */ mbedtls_printf("build version: %s (build %d)\n", MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER); /* * 0. Initialize the RNG and the session data */ mbedtls_printf("\n . Seeding the random number generator..."); fflush(stdout); ret = rng_seed(&rng, opt.reproducible, pers); if (ret != 0) { goto exit; } mbedtls_printf(" ok\n"); #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) /* * 1.1. Load the trusted CA */ mbedtls_printf(" . Loading the CA root certificate ..."); fflush(stdout); if (strcmp(opt.ca_path, "none") == 0 || strcmp(opt.ca_file, "none") == 0) { ret = 0; } else #if defined(MBEDTLS_FS_IO) if (strlen(opt.ca_path)) { ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path); } else if (strlen(opt.ca_file)) { ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file); } else #endif { #if defined(MBEDTLS_PEM_PARSE_C) for (i = 0; mbedtls_test_cas[i] != NULL; i++) { ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas[i], mbedtls_test_cas_len[i]); if (ret != 0) { break; } } #endif /* MBEDTLS_PEM_PARSE_C */ if (ret == 0) { for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) { ret = mbedtls_x509_crt_parse_der(&cacert, (const unsigned char *) mbedtls_test_cas_der[i], mbedtls_test_cas_der_len[i]); if (ret != 0) { break; } } } } if (ret < 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok (%d skipped)\n", ret); /* * 1.2. Load own certificate and private key * * (can be skipped if client authentication is not required) */ mbedtls_printf(" . Loading the client cert. and key..."); fflush(stdout); if (strcmp(opt.crt_file, "none") == 0) { ret = 0; } else #if defined(MBEDTLS_FS_IO) if (strlen(opt.crt_file)) { ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file); } else #endif { ret = mbedtls_x509_crt_parse(&clicert, (const unsigned char *) mbedtls_test_cli_crt, mbedtls_test_cli_crt_len); } if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (strcmp(opt.key_file, "none") == 0) { ret = 0; } else #if defined(MBEDTLS_FS_IO) if (strlen(opt.key_file)) { ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd, rng_get, &rng); } else #endif { ret = mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_cli_key, mbedtls_test_cli_key_len, NULL, 0, rng_get, &rng); } if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", (unsigned int) -ret); goto exit; } #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.key_opaque != 0) { psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE; psa_key_usage_t usage = 0; if (key_opaque_set_alg_usage(opt.key_opaque_alg1, opt.key_opaque_alg2, &psa_alg, &psa_alg2, &usage, mbedtls_pk_get_type(&pkey)) == 0) { ret = mbedtls_pk_wrap_as_opaque(&pkey, &key_slot, psa_alg, usage, psa_alg2); if (ret != 0) { mbedtls_printf(" failed\n ! " "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } } #endif /* MBEDTLS_USE_PSA_CRYPTO */ mbedtls_printf(" ok (key type: %s)\n", strlen(opt.key_file) || strlen(opt.key_opaque_alg1) ? mbedtls_pk_get_name(&pkey) : "none"); #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ /* * 2. Setup stuff */ mbedtls_printf(" . Setting up the SSL/TLS structure..."); fflush(stdout); if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, opt.transport, MBEDTLS_SSL_PRESET_DEFAULT)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", (unsigned int) -ret); goto exit; } #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) /* The default algorithms profile disables SHA-1, but our tests still rely on it heavily. */ if (opt.allow_sha1 > 0) { crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1); mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test); mbedtls_ssl_conf_sig_algs(&conf, ssl_sig_algs_for_test); } if (opt.context_crt_cb == 0) { mbedtls_ssl_conf_verify(&conf, my_verify, NULL); } memset(peer_crt_info, 0, sizeof(peer_crt_info)); #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) { if (opt.cid_enabled == 1 && opt.cid_enabled_renego == 1 && cid_len != cid_renego_len) { mbedtls_printf("CID length must not change during renegotiation\n"); goto usage; } if (opt.cid_enabled == 1) { ret = mbedtls_ssl_conf_cid(&conf, cid_len, MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); } else { ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len, MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); } if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n", (unsigned int) -ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ if (opt.auth_mode != DFL_AUTH_MODE) { mbedtls_ssl_conf_authmode(&conf, opt.auth_mode); } #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) { mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max); } if (opt.dgram_packing != DFL_DGRAM_PACKING) { mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing); } #endif /* MBEDTLS_SSL_PROTO_DTLS */ #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret); goto exit; } #endif #if defined(MBEDTLS_SSL_DTLS_SRTP) const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET }; if (opt.use_srtp == 1) { if (opt.force_srtp_profile != 0) { ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile); } else { ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles); } if (ret != 0) { mbedtls_printf(" failed\n ! " "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", ret); goto exit; } } else if (opt.force_srtp_profile != 0) { mbedtls_printf(" failed\n ! must enable use_srtp to force srtp profile\n\n"); goto exit; } #endif /* MBEDTLS_SSL_DTLS_SRTP */ #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) if (opt.extended_ms != DFL_EXTENDED_MS) { mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms); } #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) if (opt.etm != DFL_ETM) { mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm); } #endif #if defined(MBEDTLS_DHM_C) if (opt.dhmlen != DFL_DHMLEN) { mbedtls_ssl_conf_dhm_min_bitlen(&conf, opt.dhmlen); } #endif #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret); goto exit; } } #endif if (opt.reproducible) { #if defined(MBEDTLS_HAVE_TIME) #if defined(MBEDTLS_PLATFORM_TIME_ALT) mbedtls_platform_set_time(dummy_constant_time); #else fprintf(stderr, "Warning: reproducible option used without constant time\n"); #endif #endif /* MBEDTLS_HAVE_TIME */ } mbedtls_ssl_conf_rng(&conf, rng_get, &rng); mbedtls_ssl_conf_dbg(&conf, my_debug, stdout); mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout); #if defined(MBEDTLS_SSL_SESSION_TICKETS) mbedtls_ssl_conf_session_tickets(&conf, opt.tickets); #endif if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) { mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite); } #if defined(MBEDTLS_SSL_PROTO_TLS1_3) mbedtls_ssl_conf_tls13_key_exchange_modes(&conf, opt.tls13_kex_modes); #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ if (opt.allow_legacy != DFL_ALLOW_LEGACY) { mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy); } #if defined(MBEDTLS_SSL_RENEGOTIATION) mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation); #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) if (strcmp(opt.ca_path, "none") != 0 && strcmp(opt.ca_file, "none") != 0) { #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) if (opt.ca_callback != 0) { mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert); } else #endif mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL); } if (strcmp(opt.crt_file, "none") != 0 && strcmp(opt.key_file, "none") != 0) { if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \ (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \ defined(PSA_WANT_ALG_FFDH)) if (opt.groups != NULL && strcmp(opt.groups, "default") != 0) { mbedtls_ssl_conf_groups(&conf, group_list); } #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) if (opt.sig_algs != NULL) { mbedtls_ssl_conf_sig_algs(&conf, sig_alg_list); } #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { key_attributes = psa_key_attributes_init(); psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE); psa_set_key_algorithm(&key_attributes, alg); psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE); status = psa_import_key(&key_attributes, psk, psk_len, &slot); if (status != PSA_SUCCESS) { ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; goto exit; } if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, slot, (const unsigned char *) opt.psk_identity, strlen(opt.psk_identity))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n", ret); goto exit; } } else #endif /* MBEDTLS_USE_PSA_CRYPTO */ if (psk_len > 0) { ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len, (const unsigned char *) opt.psk_identity, strlen(opt.psk_identity)); if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */ if (opt.min_version != DFL_MIN_VERSION) { mbedtls_ssl_conf_min_tls_version(&conf, opt.min_version); } if (opt.max_version != DFL_MAX_VERSION) { mbedtls_ssl_conf_max_tls_version(&conf, opt.max_version); } #if defined(MBEDTLS_SSL_EARLY_DATA) int early_data_enabled = MBEDTLS_SSL_EARLY_DATA_DISABLED; size_t early_data_len; if (strlen(opt.early_data_file) > 0 && ssl_read_file_text(opt.early_data_file, &early_data, &early_data_len) == 0) { early_data_enabled = MBEDTLS_SSL_EARLY_DATA_ENABLED; } mbedtls_ssl_conf_early_data(&conf, early_data_enabled); #endif /* MBEDTLS_SSL_EARLY_DATA */ if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.eap_tls != 0) { mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation, &eap_tls_keying); } else if (opt.nss_keylog != 0) { mbedtls_ssl_set_export_keys_cb(&ssl, nss_keylog_export, NULL); } #if defined(MBEDTLS_SSL_DTLS_SRTP) else if (opt.use_srtp != 0) { mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation, &dtls_srtp_keying); } #endif /* MBEDTLS_SSL_DTLS_SRTP */ #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret); goto exit; } #endif #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) if (opt.ecjpake_pw != DFL_ECJPAKE_PW) { #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE) { psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE); psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE); psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD); status = psa_import_key(&attributes, (const unsigned char *) opt.ecjpake_pw, strlen(opt.ecjpake_pw), &ecjpake_pw_slot); if (status != PSA_SUCCESS) { mbedtls_printf(" failed\n ! psa_import_key returned %d\n\n", status); goto exit; } if ((ret = mbedtls_ssl_set_hs_ecjpake_password_opaque(&ssl, ecjpake_pw_slot)) != 0) { mbedtls_printf( " failed\n ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n", ret); goto exit; } mbedtls_printf("using opaque password\n"); } else #endif /* MBEDTLS_USE_PSA_CRYPTO */ { if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl, (const unsigned char *) opt.ecjpake_pw, strlen(opt.ecjpake_pw))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret); goto exit; } } } #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */ #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) if (opt.context_crt_cb == 1) { mbedtls_ssl_set_verify(&ssl, my_verify, NULL); } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ io_ctx.ssl = &ssl; io_ctx.net = &server_fd; mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb, opt.nbio == 0 ? recv_timeout_cb : NULL); #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled, cid, cid_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.dtls_mtu != DFL_DTLS_MTU) { mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu); } #endif #if defined(MBEDTLS_TIMING_C) mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay); #endif #if defined(MBEDTLS_ECP_RESTARTABLE) if (opt.ec_max_ops != DFL_EC_MAX_OPS) { mbedtls_ecp_set_max_ops(opt.ec_max_ops); } #endif #if defined(MBEDTLS_SSL_DTLS_SRTP) if (opt.use_srtp != 0 && strlen(opt.mki) != 0) { if (mbedtls_test_unhexify(mki, sizeof(mki), opt.mki, &mki_len) != 0) { mbedtls_printf("mki value not valid hex\n"); goto exit; } mbedtls_ssl_conf_srtp_mki_value_supported(&conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED); if ((ret = mbedtls_ssl_dtls_srtp_set_mki_value(&ssl, mki, (uint16_t) strlen(opt.mki) / 2)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret); goto exit; } } #endif mbedtls_printf(" ok\n"); /* * 3. Start the connection */ if (opt.server_addr == NULL) { opt.server_addr = opt.server_name; } mbedtls_printf(" . Connecting to %s/%s/%s...", opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", opt.server_addr, opt.server_port); fflush(stdout); if ((ret = mbedtls_net_connect(&server_fd, opt.server_addr, opt.server_port, opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) { mbedtls_printf(" failed\n ! mbedtls_net_connect returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.nbio > 0) { ret = mbedtls_net_set_nonblock(&server_fd); } else { ret = mbedtls_net_set_block(&server_fd); } if (ret != 0) { mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok\n"); /* * 4. Handshake */ mbedtls_printf(" . Performing the SSL/TLS handshake..."); fflush(stdout); while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE && ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n", (unsigned int) -ret); if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) { mbedtls_printf( " Unable to verify the server's certificate. " "Either it is invalid,\n" " or you didn't set ca_file or ca_path " "to an appropriate value.\n" " Alternatively, you may want to use " "auth_mode=optional for testing purposes if " "not using TLS 1.3.\n" " For TLS 1.3 server, try `ca_path=/etc/ssl/certs/`" "or other folder that has root certificates\n"); } mbedtls_printf("\n"); goto exit; } #if defined(MBEDTLS_ECP_RESTARTABLE) if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { continue; } #endif /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) ret = idle(&server_fd, &timer, ret); #else ret = idle(&server_fd, ret); #endif if (ret != 0) { goto exit; } } } { int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl(&ssl); const mbedtls_ssl_ciphersuite_t *ciphersuite_info; ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(suite_id); mbedtls_printf(" ok\n [ Protocol is %s ]\n" " [ Ciphersuite is %s ]\n" " [ Key size is %u ]\n", mbedtls_ssl_get_version(&ssl), mbedtls_ssl_ciphersuite_get_name(ciphersuite_info), (unsigned int) mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(ciphersuite_info)); } if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) { mbedtls_printf(" [ Record expansion is %d ]\n", ret); } else { mbedtls_printf(" [ Record expansion is unknown ]\n"); } #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) mbedtls_printf(" [ Maximum incoming record payload length is %u ]\n", (unsigned int) mbedtls_ssl_get_max_in_record_payload(&ssl)); mbedtls_printf(" [ Maximum outgoing record payload length is %u ]\n", (unsigned int) mbedtls_ssl_get_max_out_record_payload(&ssl)); #endif #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl); mbedtls_printf(" [ Application Layer Protocol is %s ]\n", alp ? alp : "(none)"); } #endif if (opt.eap_tls != 0) { size_t j = 0; if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, eap_tls_keying.master_secret, sizeof(eap_tls_keying.master_secret), eap_tls_label, eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes), eap_tls_keymaterial, sizeof(eap_tls_keymaterial))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" EAP-TLS key material is:"); for (j = 0; j < sizeof(eap_tls_keymaterial); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", eap_tls_keymaterial[j]); } mbedtls_printf("\n"); if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0, eap_tls_label, eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes), eap_tls_iv, sizeof(eap_tls_iv))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" EAP-TLS IV is:"); for (j = 0; j < sizeof(eap_tls_iv); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", eap_tls_iv[j]); } mbedtls_printf("\n"); } #if defined(MBEDTLS_SSL_DTLS_SRTP) else if (opt.use_srtp != 0) { size_t j = 0; mbedtls_dtls_srtp_info dtls_srtp_negotiation_result; mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result); if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile == MBEDTLS_TLS_SRTP_UNSET) { mbedtls_printf(" Unable to negotiate " "the use of DTLS-SRTP\n"); } else { if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type, dtls_srtp_keying.master_secret, sizeof(dtls_srtp_keying.master_secret), dtls_srtp_label, dtls_srtp_keying.randbytes, sizeof(dtls_srtp_keying.randbytes), dtls_srtp_key_material, sizeof(dtls_srtp_key_material))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" DTLS-SRTP key material is:"); for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", dtls_srtp_key_material[j]); } mbedtls_printf("\n"); /* produce a less readable output used to perform automatic checks * - compare client and server output * - interop test with openssl which client produces this kind of output */ mbedtls_printf(" Keying material: "); for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { mbedtls_printf("%02X", dtls_srtp_key_material[j]); } mbedtls_printf("\n"); if (dtls_srtp_negotiation_result.mki_len > 0) { mbedtls_printf(" DTLS-SRTP mki value: "); for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) { mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]); } } else { mbedtls_printf(" DTLS-SRTP no mki value negotiated"); } mbedtls_printf("\n"); } } #endif /* MBEDTLS_SSL_DTLS_SRTP */ if (opt.reconnect != 0 && ssl.tls_version != MBEDTLS_SSL_VERSION_TLS1_3) { mbedtls_printf(" . Saving session for reuse..."); fflush(stdout); if (opt.reco_mode == 1) { if ((ret = ssl_save_session_serialize(&ssl, &session_data, &session_data_len)) != 0) { mbedtls_printf(" failed\n ! ssl_save_session_serialize returned -0x%04x\n\n", (unsigned int) -ret); goto exit; } } else { if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } mbedtls_printf(" ok\n"); if (opt.reco_mode == 1) { mbedtls_printf(" [ Saved %u bytes of session data]\n", (unsigned) session_data_len); } } #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) /* * 5. Verify the server certificate */ mbedtls_printf(" . Verifying peer X.509 certificate..."); if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) { char vrfy_buf[512]; mbedtls_printf(" failed\n"); x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags); mbedtls_printf("%s\n", vrfy_buf); } else { mbedtls_printf(" ok\n"); } #if !defined(MBEDTLS_X509_REMOVE_INFO) mbedtls_printf(" . Peer certificate information ...\n"); mbedtls_printf("%s\n", peer_crt_info); #endif /* !MBEDTLS_X509_REMOVE_INFO */ #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) ret = report_cid_usage(&ssl, "initial handshake"); if (ret != 0) { goto exit; } if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego, cid_renego, cid_renego_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_RENEGOTIATION) if (opt.renegotiate) { /* * Perform renegotiation (this must be done when the server is waiting * for input from our side). */ mbedtls_printf(" . Performing renegotiation..."); fflush(stdout); while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE && ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { mbedtls_printf(" failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret); goto exit; } #if defined(MBEDTLS_ECP_RESTARTABLE) if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { continue; } #endif /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } } mbedtls_printf(" ok\n"); } #endif /* MBEDTLS_SSL_RENEGOTIATION */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) ret = report_cid_usage(&ssl, "after renegotiation"); if (ret != 0) { goto exit; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ /* * 6. Write the GET request */ retry_left = opt.max_resend; send_request: mbedtls_printf(" > Write to server:"); fflush(stdout); len = mbedtls_snprintf((char *) buf, sizeof(buf) - 1, GET_REQUEST, opt.request_page); tail_len = (int) strlen(GET_REQUEST_END); /* Add padding to GET request to reach opt.request_size in length */ if (opt.request_size != DFL_REQUEST_SIZE && len + tail_len < opt.request_size) { memset(buf + len, 'A', opt.request_size - len - tail_len); len += opt.request_size - len - tail_len; } strncpy((char *) buf + len, GET_REQUEST_END, sizeof(buf) - len - 1); len += tail_len; /* Truncate if request size is smaller than the "natural" size */ if (opt.request_size != DFL_REQUEST_SIZE && len > opt.request_size) { len = opt.request_size; /* Still end with \r\n unless that's really not possible */ if (len >= 2) { buf[len - 2] = '\r'; } if (len >= 1) { buf[len - 1] = '\n'; } } if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { written = 0; frags = 0; do { while ((ret = mbedtls_ssl_write(&ssl, buf + written, len - written)) < 0) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE && ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { mbedtls_printf(" failed\n ! mbedtls_ssl_write returned -0x%x\n\n", (unsigned int) -ret); goto exit; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } } frags++; written += ret; } while (written < len); } else { /* Not stream, so datagram */ while (1) { ret = mbedtls_ssl_write(&ssl, buf, len); #if defined(MBEDTLS_ECP_RESTARTABLE) if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { continue; } #endif if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) { break; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } } if (ret < 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret); goto exit; } frags = 1; written = ret; if (written < len) { mbedtls_printf(" warning\n ! request didn't fit into single datagram and " "was truncated to size %u", (unsigned) written); } } buf[written] = '\0'; mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf); /* Send a non-empty request if request_size == 0 */ if (len == 0) { opt.request_size = DFL_REQUEST_SIZE; goto send_request; } /* * 7. Read the HTTP response */ /* * TLS and DTLS need different reading styles (stream vs datagram) */ if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && defined(MBEDTLS_SSL_SESSION_TICKETS) int ticket_id = 0; #endif do { len = sizeof(buf) - 1; memset(buf, 0, sizeof(buf)); ret = mbedtls_ssl_read(&ssl, buf, len); #if defined(MBEDTLS_ECP_RESTARTABLE) if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { continue; } #endif if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) { /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } continue; } if (ret <= 0) { switch (ret) { case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); ret = 0; goto close_notify; case 0: case MBEDTLS_ERR_NET_CONN_RESET: mbedtls_printf(" connection was reset by peer\n"); ret = 0; goto reconnect; #if defined(MBEDTLS_SSL_PROTO_TLS1_3) #if defined(MBEDTLS_SSL_SESSION_TICKETS) case MBEDTLS_ERR_SSL_RECEIVED_NEW_SESSION_TICKET: /* We were waiting for application data but got * a NewSessionTicket instead. */ mbedtls_printf(" got new session ticket ( %d ).\n", ticket_id++); if (opt.reconnect != 0) { mbedtls_printf(" . Saving session for reuse..."); fflush(stdout); if (opt.reco_mode == 1) { if ((ret = ssl_save_session_serialize(&ssl, &session_data, &session_data_len)) != 0) { mbedtls_printf( " failed\n ! ssl_save_session_serialize returned -0x%04x\n\n", (unsigned int) -ret); goto exit; } } else { if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) { mbedtls_printf( " failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } mbedtls_printf(" ok\n"); if (opt.reco_mode == 1) { mbedtls_printf(" [ Saved %u bytes of session data]\n", (unsigned) session_data_len); } } continue; #endif /* MBEDTLS_SSL_SESSION_TICKETS */ #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */ default: mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret); goto exit; } } len = ret; buf[len] = '\0'; mbedtls_printf(" < Read from server: %d bytes read\n\n%s", len, (char *) buf); fflush(stdout); /* End of message should be detected according to the syntax of the * application protocol (eg HTTP), just use a dummy test here. */ if (ret > 0 && buf[len-1] == '\n') { ret = 0; break; } } while (1); } else { /* Not stream, so datagram */ len = sizeof(buf) - 1; memset(buf, 0, sizeof(buf)); while (1) { ret = mbedtls_ssl_read(&ssl, buf, len); #if defined(MBEDTLS_ECP_RESTARTABLE) if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { continue; } #endif if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) { break; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } } if (ret <= 0) { switch (ret) { case MBEDTLS_ERR_SSL_TIMEOUT: mbedtls_printf(" timeout\n"); if (retry_left-- > 0) { goto send_request; } goto exit; case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); ret = 0; goto close_notify; default: mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret); goto exit; } } len = ret; buf[len] = '\0'; mbedtls_printf(" < Read from server: %d bytes read\n\n%s", len, (char *) buf); ret = 0; } /* * 7b. Simulate hard reset and reconnect from same port? */ if (opt.reconnect_hard != 0) { opt.reconnect_hard = 0; mbedtls_printf(" . Restarting connection from same port..."); fflush(stdout); #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) memset(peer_crt_info, 0, sizeof(peer_crt_info)); #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", (unsigned int) -ret); goto exit; } while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE && ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret); goto exit; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&server_fd, &timer, ret); #else idle(&server_fd, ret); #endif } } mbedtls_printf(" ok\n"); goto send_request; } /* * 7c. Simulate serialize/deserialize and go back to data exchange */ #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) if (opt.serialize != 0) { size_t buf_len; mbedtls_printf(" . Serializing live connection..."); ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len); if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) { mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) { mbedtls_printf(" failed\n ! Couldn't allocate buffer for " "serialized context"); goto exit; } context_buf_len = buf_len; if ((ret = mbedtls_ssl_context_save(&ssl, context_buf, buf_len, &buf_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok\n"); /* Save serialized context to the 'opt.context_file' as a base64 code */ if (0 < strlen(opt.context_file)) { FILE *b64_file; uint8_t *b64_buf; size_t b64_len; mbedtls_printf(" . Save serialized context to a file... "); mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len); if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) { mbedtls_printf("failed\n ! Couldn't allocate buffer for " "the base64 code\n"); goto exit; } if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len, context_buf, buf_len)) != 0) { mbedtls_printf("failed\n ! mbedtls_base64_encode returned " "-0x%x\n", (unsigned int) -ret); mbedtls_free(b64_buf); goto exit; } if ((b64_file = fopen(opt.context_file, "w")) == NULL) { mbedtls_printf("failed\n ! Cannot open '%s' for writing.\n", opt.context_file); mbedtls_free(b64_buf); goto exit; } if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) { mbedtls_printf("failed\n ! fwrite(%ld bytes) failed\n", (long) b64_len); mbedtls_free(b64_buf); fclose(b64_file); goto exit; } mbedtls_free(b64_buf); fclose(b64_file); mbedtls_printf("ok\n"); } if (opt.serialize == 1) { /* nothing to do here, done by context_save() already */ mbedtls_printf(" . Context has been reset... ok\n"); } if (opt.serialize == 2) { mbedtls_printf(" . Freeing and reinitializing context..."); mbedtls_ssl_free(&ssl); mbedtls_ssl_init(&ssl); if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.nbio == 2) { mbedtls_ssl_set_bio(&ssl, &server_fd, delayed_send, delayed_recv, NULL); } else { mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL); } #if defined(MBEDTLS_TIMING_C) mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay); #endif /* MBEDTLS_TIMING_C */ mbedtls_printf(" ok\n"); } mbedtls_printf(" . Deserializing connection..."); if ((ret = mbedtls_ssl_context_load(&ssl, context_buf, buf_len)) != 0) { mbedtls_printf("failed\n ! mbedtls_ssl_context_load returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_free(context_buf); context_buf = NULL; context_buf_len = 0; mbedtls_printf(" ok\n"); } #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */ /* * 7d. Continue doing data exchanges? */ if (--opt.exchanges > 0) { goto send_request; } /* * 8. Done, cleanly close the connection */ close_notify: mbedtls_printf(" . Closing the connection..."); fflush(stdout); /* * Most of the time sending a close_notify before closing is the right * thing to do. However, when the server already knows how many messages * are expected and closes the connection by itself, this alert becomes * redundant. Sometimes with DTLS this redundancy becomes a problem by * leading to a race condition where the server might close the connection * before seeing the alert, and since UDP is connection-less when the * alert arrives it will be seen as a new connection, which will fail as * the alert is clearly not a valid ClientHello. This may cause spurious * failures in tests that use DTLS and resumption with ssl_server2 in * ssl-opt.sh, avoided by enabling skip_close_notify client-side. */ if (opt.skip_close_notify == 0) { /* No error checking, the connection might be closed already */ do { ret = mbedtls_ssl_close_notify(&ssl); } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE); ret = 0; } mbedtls_printf(" done\n"); /* * 9. Reconnect? */ reconnect: if (opt.reconnect != 0) { --opt.reconnect; mbedtls_net_free(&server_fd); #if defined(MBEDTLS_TIMING_C) if (opt.reco_delay > 0) { mbedtls_net_usleep(1000 * opt.reco_delay); } #endif mbedtls_printf(" . Reconnecting with saved session..."); #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) memset(peer_crt_info, 0, sizeof(peer_crt_info)); #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.reco_mode == 1) { if ((ret = mbedtls_ssl_session_load(&saved_session, session_data, session_data_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_session_load returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if ((ret = mbedtls_ssl_set_session(&ssl, &saved_session)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_session returned -0x%x\n\n", (unsigned int) -ret); goto exit; } #if defined(MBEDTLS_X509_CRT_PARSE_C) if (opt.reco_server_name != NULL && (ret = mbedtls_ssl_set_hostname(&ssl, opt.reco_server_name)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret); goto exit; } #endif if ((ret = mbedtls_net_connect(&server_fd, opt.server_addr, opt.server_port, opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) { mbedtls_printf(" failed\n ! mbedtls_net_connect returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.nbio > 0) { ret = mbedtls_net_set_nonblock(&server_fd); } else { ret = mbedtls_net_set_block(&server_fd); } if (ret != 0) { mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret); goto exit; } while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE && ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) { mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } mbedtls_printf(" ok\n"); goto send_request; } /* * Cleanup and exit */ exit: #ifdef MBEDTLS_ERROR_C if (ret != 0) { char error_buf[100]; mbedtls_strerror(ret, error_buf, 100); mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf); } #endif mbedtls_net_free(&server_fd); mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); mbedtls_ssl_session_free(&saved_session); #if defined(MBEDTLS_SSL_EARLY_DATA) if (early_data != NULL) { mbedtls_platform_zeroize(early_data, early_data_len); } mbedtls_free(early_data); #endif if (session_data != NULL) { mbedtls_platform_zeroize(session_data, session_data_len); } mbedtls_free(session_data); #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) if (context_buf != NULL) { mbedtls_platform_zeroize(context_buf, context_buf_len); } mbedtls_free(context_buf); #endif #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED) mbedtls_x509_crt_free(&clicert); mbedtls_x509_crt_free(&cacert); mbedtls_pk_free(&pkey); #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_destroy_key(key_slot); #endif #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) && \ defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { /* This is ok even if the slot hasn't been * initialized (we might have jumed here * immediately because of bad cmd line params, * for example). */ status = psa_destroy_key(slot); if ((status != PSA_SUCCESS) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) { mbedtls_printf("Failed to destroy key slot %u - error was %d", (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot), (int) status); if (ret == 0) { ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; } } } #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED && MBEDTLS_USE_PSA_CRYPTO */ #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \ defined(MBEDTLS_USE_PSA_CRYPTO) /* * In case opaque keys it's the user responsibility to keep the key valid * for the duration of the handshake and destroy it at the end */ if ((opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE)) { psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT; /* Verify that the key is still valid before destroying it */ if (psa_get_key_attributes(ecjpake_pw_slot, &check_attributes) != PSA_SUCCESS) { if (ret == 0) { ret = 1; } mbedtls_printf("The EC J-PAKE password key has unexpectedly been already destroyed\n"); } else { psa_destroy_key(ecjpake_pw_slot); } } #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED && MBEDTLS_USE_PSA_CRYPTO */ #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3) const char *message = mbedtls_test_helper_is_psa_leaking(); if (message) { if (ret == 0) { ret = 1; } mbedtls_printf("PSA memory leak detected: %s\n", message); } #endif /* MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_SSL_PROTO_TLS1_3 */ /* For builds with MBEDTLS_TEST_USE_PSA_CRYPTO_RNG psa crypto * resources are freed by rng_free(). */ #if (defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)) && \ !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) mbedtls_psa_crypto_free(); #endif rng_free(&rng); #if defined(MBEDTLS_TEST_HOOKS) if (test_hooks_failure_detected()) { if (ret == 0) { ret = 1; } mbedtls_printf("Test hooks detected errors.\n"); } test_hooks_free(); #endif /* MBEDTLS_TEST_HOOKS */ #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) #if defined(MBEDTLS_MEMORY_DEBUG) mbedtls_memory_buffer_alloc_status(); #endif mbedtls_memory_buffer_alloc_free(); #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */ // Shell can not handle large exit numbers -> 1 for errors if (ret < 0) { ret = 1; } if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { mbedtls_exit(ret); } else { mbedtls_exit(query_config_ret); } } #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */