/* * SSL client with options * * Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */ #include "ssl_test_lib.h" #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) int main(void) { mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE); mbedtls_exit(0); } #elif !defined(MBEDTLS_SSL_SRV_C) int main(void) { mbedtls_printf("MBEDTLS_SSL_SRV_C not defined.\n"); mbedtls_exit(0); } #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */ #include #if !defined(_MSC_VER) #include #endif #if !defined(_WIN32) #include #endif #if defined(MBEDTLS_SSL_CACHE_C) #include "mbedtls/ssl_cache.h" #endif #if defined(MBEDTLS_SSL_TICKET_C) #include "mbedtls/ssl_ticket.h" #endif #if defined(MBEDTLS_SSL_COOKIE_C) #include "mbedtls/ssl_cookie.h" #endif #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO) #define SNI_OPTION #endif #if defined(_WIN32) #include #endif #if defined(MBEDTLS_USE_PSA_CRYPTO) #include "test/psa_crypto_helpers.h" #endif /* Size of memory to be allocated for the heap, when using the library's memory * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */ #define MEMORY_HEAP_SIZE 120000 #define DFL_SERVER_ADDR NULL #define DFL_SERVER_PORT "4433" #define DFL_RESPONSE_SIZE -1 #define DFL_DEBUG_LEVEL 0 #define DFL_NBIO 0 #define DFL_EVENT 0 #define DFL_READ_TIMEOUT 0 #define DFL_CA_FILE "" #define DFL_CA_PATH "" #define DFL_CRT_FILE "" #define DFL_KEY_FILE "" #define DFL_KEY_OPAQUE 0 #define DFL_KEY_PWD "" #define DFL_CRT_FILE2 "" #define DFL_KEY_FILE2 "" #define DFL_KEY_PWD2 "" #define DFL_ASYNC_OPERATIONS "-" #define DFL_ASYNC_PRIVATE_DELAY1 (-1) #define DFL_ASYNC_PRIVATE_DELAY2 (-1) #define DFL_ASYNC_PRIVATE_ERROR (0) #define DFL_PSK "" #define DFL_PSK_OPAQUE 0 #define DFL_PSK_LIST_OPAQUE 0 #define DFL_PSK_IDENTITY "Client_identity" #define DFL_ECJPAKE_PW NULL #define DFL_PSK_LIST NULL #define DFL_FORCE_CIPHER 0 #define DFL_VERSION_SUITES NULL #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED #define DFL_ALLOW_LEGACY -2 #define DFL_RENEGOTIATE 0 #define DFL_RENEGO_DELAY -2 #define DFL_RENEGO_PERIOD ((uint64_t) -1) #define DFL_EXCHANGES 1 #define DFL_MIN_VERSION -1 #define DFL_MAX_VERSION -1 #define DFL_ARC4 -1 #define DFL_SHA1 -1 #define DFL_CID_ENABLED 0 #define DFL_CID_VALUE "" #define DFL_CID_ENABLED_RENEGO -1 #define DFL_CID_VALUE_RENEGO NULL #define DFL_AUTH_MODE -1 #define DFL_CERT_REQ_CA_LIST MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE #define DFL_TRUNC_HMAC -1 #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED #define DFL_TICKET_TIMEOUT 86400 #define DFL_CACHE_MAX -1 #define DFL_CACHE_TIMEOUT -1 #define DFL_SNI NULL #define DFL_ALPN_STRING NULL #define DFL_CURVES NULL #define DFL_DHM_FILE NULL #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM #define DFL_COOKIES 1 #define DFL_ANTI_REPLAY -1 #define DFL_HS_TO_MIN 0 #define DFL_HS_TO_MAX 0 #define DFL_DTLS_MTU -1 #define DFL_BADMAC_LIMIT -1 #define DFL_DGRAM_PACKING 1 #define DFL_EXTENDED_MS -1 #define DFL_ETM -1 #define DFL_SERIALIZE 0 #define DFL_CONTEXT_FILE "" #define DFL_EXTENDED_MS_ENFORCE -1 #define DFL_CA_CALLBACK 0 #define DFL_EAP_TLS 0 #define DFL_REPRODUCIBLE 0 #define DFL_NSS_KEYLOG 0 #define DFL_NSS_KEYLOG_FILE NULL #define DFL_QUERY_CONFIG_MODE 0 #define DFL_USE_SRTP 0 #define DFL_SRTP_FORCE_PROFILE 0 #define DFL_SRTP_SUPPORT_MKI 0 #define LONG_RESPONSE "

01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \ "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah

\r\n" /* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer * packets (for fragmentation purposes) */ #define HTTP_RESPONSE \ "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \ "

Mbed TLS Test Server

\r\n" \ "

Successful connection using: %s

\r\n" // LONG_RESPONSE /* * Size of the basic I/O buffer. Able to hold our default response. */ #define DFL_IO_BUF_LEN 200 #if defined(MBEDTLS_KEY_EXCHANGE_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: see note after key_file2\n" \ " key_file=%%s default: see note after key_file2\n" \ " key_pwd=%%s Password for key specified by key_file argument\n" \ " default: none\n" \ " crt_file2=%%s Your second cert and chain (in bottom to top order, top may be omitted)\n" \ " default: see note after key_file2\n" \ " key_file2=%%s default: see note below\n" \ " note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \ " preloaded certificate(s) and key(s) are used if available\n" \ " key_pwd2=%%s Password for key specified by key_file2 argument\n" \ " default: none\n" \ " dhm_file=%%s File containing Diffie-Hellman parameters\n" \ " default: preloaded parameters\n" #else #define USAGE_IO \ "\n" \ " No file operations available (MBEDTLS_FS_IO not defined)\n" \ "\n" #endif /* MBEDTLS_FS_IO */ #else #define USAGE_IO "" #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) #define USAGE_KEY_OPAQUE \ " key_opaque=%%d Handle your private keys as if they were opaque\n" \ " default: 0 (disabled)\n" #else #define USAGE_KEY_OPAQUE "" #endif #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) #define USAGE_SSL_ASYNC \ " async_operations=%%c... d=decrypt, s=sign (default: -=off)\n" \ " async_private_delay1=%%d Asynchronous delay for key_file or preloaded key\n" \ " async_private_delay2=%%d Asynchronous delay for key_file2 and sni\n" \ " default: -1 (not asynchronous)\n" \ " async_private_error=%%d Async callback error injection (default=0=none,\n" \ " 1=start, 2=cancel, 3=resume, negative=first time only)" #else #define USAGE_SSL_ASYNC "" #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) #define USAGE_CID \ " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \ " default: 0 (disabled)\n" \ " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \ " default: same as 'cid' parameter\n" \ " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \ " default: \"\"\n" \ " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \ " default: same as 'cid_val' parameter\n" #else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #define USAGE_CID "" #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) #define USAGE_PSK_RAW \ " psk=%%s default: \"\" (disabled)\n" \ " The PSK values are in hex, without 0x.\n" \ " psk_list=%%s default: \"\"\n" \ " A list of (PSK identity, PSK value) pairs.\n" \ " The PSK values are in hex, without 0x.\n" \ " id1,psk1[,id2,psk2[,...]]\n" \ " psk_identity=%%s default: \"Client_identity\"\n" #if defined(MBEDTLS_USE_PSA_CRYPTO) #define USAGE_PSK_SLOT \ " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \ " Enable this to store the PSK configured through command line\n" \ " parameter `psk` in a PSA-based key slot.\n" \ " Note: Currently only supported in conjunction with\n" \ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \ " to force a particular PSK-only ciphersuite.\n" \ " Note: This is to test integration of PSA-based opaque PSKs with\n" \ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \ " with prepopulated key slots instead of importing raw key material.\n" \ " psk_list_opaque=%%d default: 0 (don't use opaque dynamic PSKs)\n" \ " Enable this to store the list of dynamically chosen PSKs configured\n" \ " through the command line parameter `psk_list` in PSA-based key slots.\n" \ " Note: Currently only supported in conjunction with\n" \ " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \ " to force a particular PSK-only ciphersuite.\n" \ " Note: This is to test integration of PSA-based opaque PSKs with\n" \ " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \ " with prepopulated key slots instead of importing raw key material.\n" #else #define USAGE_PSK_SLOT "" #endif /* MBEDTLS_USE_PSA_CRYPTO */ #define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT #else #define USAGE_PSK "" #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */ #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) #define USAGE_CA_CALLBACK \ " ca_callback=%%d default: 0 (disabled)\n" \ " Enable this to use the trusted certificate callback function\n" #else #define USAGE_CA_CALLBACK "" #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */ #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) #define USAGE_TICKETS \ " tickets=%%d default: 1 (enabled)\n" \ " ticket_timeout=%%d default: 86400 (one day)\n" #else #define USAGE_TICKETS "" #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_TICKET_C */ #if defined(MBEDTLS_SSL_EXPORT_KEYS) #define USAGE_EAP_TLS \ " eap_tls=%%d default: 0 (disabled)\n" #define USAGE_NSS_KEYLOG \ " nss_keylog=%%d default: 0 (disabled)\n" \ " This cannot be used with eap_tls=1\n" #define USAGE_NSS_KEYLOG_FILE \ " nss_keylog_file=%%s\n" #if defined(MBEDTLS_SSL_DTLS_SRTP) #define USAGE_SRTP \ " use_srtp=%%d default: 0 (disabled)\n" \ " srtp_force_profile=%%d default: 0 (all enabled)\n" \ " available profiles:\n" \ " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \ " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \ " 3 - SRTP_NULL_HMAC_SHA1_80\n" \ " 4 - SRTP_NULL_HMAC_SHA1_32\n" \ " support_mki=%%d default: 0 (not supported)\n" #else /* MBEDTLS_SSL_DTLS_SRTP */ #define USAGE_SRTP "" #endif #else /* MBEDTLS_SSL_EXPORT_KEYS */ #define USAGE_EAP_TLS "" #define USAGE_NSS_KEYLOG "" #define USAGE_NSS_KEYLOG_FILE "" #define USAGE_SRTP "" #endif /* MBEDTLS_SSL_EXPORT_KEYS */ #if defined(MBEDTLS_SSL_CACHE_C) #define USAGE_CACHE \ " cache_max=%%d default: cache default (50)\n" #if defined(MBEDTLS_HAVE_TIME) #define USAGE_CACHE_TIME \ " cache_timeout=%%d default: cache default (1d)\n" #else #define USAGE_CACHE_TIME "" #endif #else #define USAGE_CACHE "" #define USAGE_CACHE_TIME "" #endif /* MBEDTLS_SSL_CACHE_C */ #if defined(SNI_OPTION) #if defined(MBEDTLS_X509_CRL_PARSE_C) #define SNI_CRL ",crl" #else #define SNI_CRL "" #endif #define USAGE_SNI \ " sni=%%s name1,cert1,key1,ca1"SNI_CRL ",auth1[,...]\n" \ " default: disabled\n" #else #define USAGE_SNI "" #endif /* SNI_OPTION */ #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) #define USAGE_MAX_FRAG_LEN \ " max_frag_len=%%d default: 16384 (tls default)\n" \ " options: 512, 1024, 2048, 4096\n" #else #define USAGE_MAX_FRAG_LEN "" #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) #define USAGE_TRUNC_HMAC \ " trunc_hmac=%%d default: library default\n" #else #define USAGE_TRUNC_HMAC "" #endif #if defined(MBEDTLS_SSL_ALPN) #define USAGE_ALPN \ " alpn=%%s default: \"\" (disabled)\n" \ " example: spdy/1,http/1.1\n" #else #define USAGE_ALPN "" #endif /* MBEDTLS_SSL_ALPN */ #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) #define USAGE_COOKIES \ " cookies=0/1/-1 default: 1 (enabled)\n" \ " 0: disabled, -1: library default (broken)\n" #else #define USAGE_COOKIES "" #endif #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) #define USAGE_ANTI_REPLAY \ " anti_replay=0/1 default: (library default: enabled)\n" #else #define USAGE_ANTI_REPLAY "" #endif #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) #define USAGE_BADMAC_LIMIT \ " badmac_limit=%%d default: (library default: disabled)\n" #else #define USAGE_BADMAC_LIMIT "" #endif #if defined(MBEDTLS_SSL_PROTO_DTLS) #define USAGE_DTLS \ " dtls=%%d default: 0 (TLS)\n" \ " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \ " range of DTLS handshake timeouts in millisecs\n" \ " mtu=%%d default: (library default: unlimited)\n" \ " dgram_packing=%%d default: 1 (allowed)\n" \ " allow or forbid packing of multiple\n" \ " records within a single datgram.\n" #else #define USAGE_DTLS "" #endif #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) #define USAGE_EMS \ " extended_ms=0/1 default: (library default: on)\n" #else #define USAGE_EMS "" #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) #define USAGE_ETM \ " etm=0/1 default: (library default: on)\n" #else #define USAGE_ETM "" #endif #define USAGE_REPRODUCIBLE \ " reproducible=0/1 default: 0 (disabled)\n" #if defined(MBEDTLS_SSL_RENEGOTIATION) #define USAGE_RENEGO \ " renegotiation=%%d default: 0 (disabled)\n" \ " renegotiate=%%d default: 0 (disabled)\n" \ " renego_delay=%%d default: -2 (library default)\n" \ " renego_period=%%d default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\n" #else #define USAGE_RENEGO "" #endif #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) #define USAGE_ECJPAKE \ " ecjpake_pw=%%s default: none (disabled)\n" #else #define USAGE_ECJPAKE "" #endif #if defined(MBEDTLS_ECP_C) #define USAGE_CURVES \ " curves=a,b,c,d default: \"default\" (library default)\n" \ " example: \"secp521r1,brainpoolP512r1\"\n" \ " - use \"none\" for empty list\n" \ " - see mbedtls_ecp_curve_list()\n" \ " for acceptable curve names\n" #else #define USAGE_CURVES "" #endif #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) #define USAGE_SERIALIZATION \ " serialize=%%d default: 0 (do not serialize/deserialize)\n" \ " options: 1 (serialize)\n" \ " 2 (serialize with re-initialization)\n" \ " context_file=%%s The file path to write a serialized connection\n" \ " in the form of base64 code (serialize option\n" \ " must be set)\n" \ " default: \"\" (do nothing)\n" \ " option: a file path\n" #else #define USAGE_SERIALIZATION "" #endif /* USAGE is arbitrarily split to stay under the portable string literal * length limit: 4095 bytes in C99. */ #define USAGE1 \ "\n usage: ssl_server2 param=<>...\n" \ "\n acceptable parameters:\n" \ " server_addr=%%s default: (all interfaces)\n" \ " server_port=%%d default: 4433\n" \ " debug_level=%%d default: 0 (disabled)\n" \ " build_version=%%d default: none (disabled)\n" \ " option: 1 (print build version only and stop)\n" \ " buffer_size=%%d default: 200 \n" \ " (minimum: 1, max: 16385)\n" \ " response_size=%%d default: about 152 (basic response)\n" \ " (minimum: 0, max: 16384)\n" \ " increases buffer_size if bigger\n" \ " nbio=%%d default: 0 (blocking I/O)\n" \ " options: 1 (non-blocking), 2 (added delays)\n" \ " event=%%d default: 0 (loop)\n" \ " options: 1 (level-triggered, implies nbio=1),\n" \ " read_timeout=%%d default: 0 ms (no timeout)\n" \ "\n" \ USAGE_DTLS \ USAGE_SRTP \ USAGE_COOKIES \ USAGE_ANTI_REPLAY \ USAGE_BADMAC_LIMIT \ "\n" #define USAGE2 \ " auth_mode=%%s default: (library default: none)\n" \ " options: none, optional, required\n" \ " cert_req_ca_list=%%d default: 1 (send ca list)\n" \ " options: 1 (send ca list), 0 (don't send)\n" \ USAGE_IO \ USAGE_KEY_OPAQUE \ "\n" \ USAGE_PSK \ USAGE_CA_CALLBACK \ USAGE_ECJPAKE \ "\n" #define USAGE3 \ " allow_legacy=%%d default: (library default: no)\n" \ USAGE_RENEGO \ " exchanges=%%d default: 1\n" \ "\n" \ USAGE_TICKETS \ USAGE_EAP_TLS \ USAGE_REPRODUCIBLE \ USAGE_NSS_KEYLOG \ USAGE_NSS_KEYLOG_FILE \ USAGE_CACHE \ USAGE_CACHE_TIME \ USAGE_MAX_FRAG_LEN \ USAGE_TRUNC_HMAC \ USAGE_ALPN \ USAGE_EMS \ USAGE_ETM \ USAGE_CURVES \ "\n" #define USAGE4 \ USAGE_SSL_ASYNC \ USAGE_SNI \ " arc4=%%d default: (library default: 0)\n" \ " allow_sha1=%%d default: 0\n" \ " min_version=%%s default: (library default: tls1)\n" \ " max_version=%%s default: (library default: tls12)\n" \ " force_version=%%s default: \"\" (none)\n" \ " options: ssl3, tls1, tls1_1, tls12, dtls1, dtls12\n" \ "\n" \ " version_suites=a,b,c,d per-version ciphersuites\n" \ " in order from ssl3 to tls12\n" \ " default: all enabled\n" \ " force_ciphersuite= default: all enabled\n" \ " 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 \ " acceptable ciphersuite names:\n" #define ALPN_LIST_SIZE 10 #define CURVE_LIST_SIZE 20 #define PUT_UINT64_BE(out_be, in_le, i) \ { \ (out_be)[(i) + 0] = (unsigned char) (((in_le) >> 56) & 0xFF); \ (out_be)[(i) + 1] = (unsigned char) (((in_le) >> 48) & 0xFF); \ (out_be)[(i) + 2] = (unsigned char) (((in_le) >> 40) & 0xFF); \ (out_be)[(i) + 3] = (unsigned char) (((in_le) >> 32) & 0xFF); \ (out_be)[(i) + 4] = (unsigned char) (((in_le) >> 24) & 0xFF); \ (out_be)[(i) + 5] = (unsigned char) (((in_le) >> 16) & 0xFF); \ (out_be)[(i) + 6] = (unsigned char) (((in_le) >> 8) & 0xFF); \ (out_be)[(i) + 7] = (unsigned char) (((in_le) >> 0) & 0xFF); \ } /* * global options */ struct options { const char *server_addr; /* address on which the ssl service runs */ const char *server_port; /* port on which the ssl service runs */ int debug_level; /* level of debugging */ int nbio; /* should I/O be blocking? */ int event; /* loop or event-driven IO? level or edge triggered? */ uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ int response_size; /* pad response with header to requested size */ uint16_t buffer_size; /* IO buffer size */ const char *ca_file; /* the file with the CA certificate(s) */ const char *ca_path; /* the path with the CA certificate(s) reside */ const char *crt_file; /* the file with the server certificate */ const char *key_file; /* the file with the server key */ int key_opaque; /* handle private key as if it were opaque */ const char *key_pwd; /* the password for the server key */ const char *crt_file2; /* the file with the 2nd server certificate */ const char *key_file2; /* the file with the 2nd server key */ const char *key_pwd2; /* the password for the 2nd server key */ const char *async_operations; /* supported SSL asynchronous operations */ int async_private_delay1; /* number of times f_async_resume needs to be called for key 1, or -1 for no async */ int async_private_delay2; /* number of times f_async_resume needs to be called for key 2, or -1 for no async */ int async_private_error; /* inject error in async private callback */ #if defined(MBEDTLS_USE_PSA_CRYPTO) int psk_opaque; int psk_list_opaque; #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) int ca_callback; /* Use callback for trusted certificate list */ #endif const char *psk; /* the pre-shared key */ const char *psk_identity; /* the pre-shared key identity */ char *psk_list; /* list of PSK id/key pairs for callback */ const char *ecjpake_pw; /* the EC J-PAKE password */ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ const char *version_suites; /* per-version ciphersuites */ int renegotiation; /* enable / disable renegotiation */ int allow_legacy; /* allow legacy renegotiation */ int renegotiate; /* attempt renegotiation? */ int renego_delay; /* delay before enforcing renegotiation */ uint64_t renego_period; /* period for automatic renegotiation */ int exchanges; /* number of data exchanges */ int min_version; /* minimum protocol version accepted */ int max_version; /* maximum protocol version accepted */ int arc4; /* flag for arc4 suites support */ int allow_sha1; /* flag for SHA-1 support */ int auth_mode; /* verify mode for connection */ int cert_req_ca_list; /* should we send the CA list? */ unsigned char mfl_code; /* code for maximum fragment length */ int trunc_hmac; /* accept truncated hmac? */ int tickets; /* enable / disable session tickets */ int ticket_timeout; /* session ticket lifetime */ int cache_max; /* max number of session cache entries */ #if defined(MBEDTLS_HAVE_TIME) int cache_timeout; /* expiration delay of session cache entries*/ #endif char *sni; /* string describing sni information */ const char *curves; /* list of supported elliptic curves */ const char *alpn_string; /* ALPN supported protocols */ const char *dhm_file; /* the file with the DH parameters */ int extended_ms; /* allow negotiation of extended MS? */ int etm; /* allow negotiation of encrypt-then-MAC? */ int transport; /* TLS or DTLS? */ int cookies; /* Use cookies for DTLS? -1 to break them */ int anti_replay; /* Use anti-replay for DTLS? -1 for default */ uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ uint32_t hs_to_max; /* Max value of DTLS handshake timer */ int dtls_mtu; /* UDP Maximum transport unit for DTLS */ int dgram_packing; /* allow/forbid datagram packing */ int badmac_limit; /* Limit of records with bad MAC */ int eap_tls; /* derive EAP-TLS keying material? */ int nss_keylog; /* export NSS key log material */ const char *nss_keylog_file; /* NSS key log file */ int cid_enabled; /* whether to use the CID extension or not */ int cid_enabled_renego; /* whether to use the CID extension or not * during renegotiation */ const char *cid_val; /* the CID to use for incoming messages */ int serialize; /* serialize/deserialize connection */ const char *context_file; /* the file to write a serialized connection * in the form of base64 code (serialize * option must be set) */ const char *cid_val_renego; /* the CID to use for incoming messages * after renegotiation */ int reproducible; /* make communication reproducible */ int query_config_mode; /* whether to read config */ int use_srtp; /* Support SRTP */ int force_srtp_profile; /* SRTP protection profile to use or all */ int support_mki; /* The dtls mki mki support */ } opt; #include "ssl_test_common_source.c" /* * Return authmode from string, or -1 on error */ static int get_auth_mode(const char *s) { if (strcmp(s, "none") == 0) { return MBEDTLS_SSL_VERIFY_NONE; } if (strcmp(s, "optional") == 0) { return MBEDTLS_SSL_VERIFY_OPTIONAL; } if (strcmp(s, "required") == 0) { return MBEDTLS_SSL_VERIFY_REQUIRED; } return -1; } /* * Used by sni_parse and psk_parse to handle coma-separated lists */ #define GET_ITEM(dst) \ do \ { \ (dst) = p; \ while (*p != ',') \ if (++p > end) \ goto error; \ *p++ = '\0'; \ } while (0) #if defined(SNI_OPTION) typedef struct _sni_entry sni_entry; struct _sni_entry { const char *name; mbedtls_x509_crt *cert; mbedtls_pk_context *key; mbedtls_x509_crt *ca; mbedtls_x509_crl *crl; int authmode; sni_entry *next; }; void sni_free(sni_entry *head) { sni_entry *cur = head, *next; while (cur != NULL) { mbedtls_x509_crt_free(cur->cert); mbedtls_free(cur->cert); mbedtls_pk_free(cur->key); mbedtls_free(cur->key); mbedtls_x509_crt_free(cur->ca); mbedtls_free(cur->ca); #if defined(MBEDTLS_X509_CRL_PARSE_C) mbedtls_x509_crl_free(cur->crl); mbedtls_free(cur->crl); #endif next = cur->next; mbedtls_free(cur); cur = next; } } /* * Parse a string of sextuples name1,crt1,key1,ca1,crl1,auth1[,...] * into a usable sni_entry list. For ca1, crl1, auth1, the special value * '-' means unset. If ca1 is unset, then crl1 is ignored too. * * Modifies the input string! This is not production quality! */ sni_entry *sni_parse(char *sni_string) { sni_entry *cur = NULL, *new = NULL; char *p = sni_string; char *end = p; char *crt_file, *key_file, *ca_file, *auth_str; #if defined(MBEDTLS_X509_CRL_PARSE_C) char *crl_file; #endif while (*end != '\0') { ++end; } *end = ','; while (p <= end) { if ((new = mbedtls_calloc(1, sizeof(sni_entry))) == NULL) { sni_free(cur); return NULL; } GET_ITEM(new->name); GET_ITEM(crt_file); GET_ITEM(key_file); GET_ITEM(ca_file); #if defined(MBEDTLS_X509_CRL_PARSE_C) GET_ITEM(crl_file); #endif GET_ITEM(auth_str); if ((new->cert = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL || (new->key = mbedtls_calloc(1, sizeof(mbedtls_pk_context))) == NULL) { goto error; } mbedtls_x509_crt_init(new->cert); mbedtls_pk_init(new->key); if (mbedtls_x509_crt_parse_file(new->cert, crt_file) != 0 || mbedtls_pk_parse_keyfile(new->key, key_file, "") != 0) { goto error; } if (strcmp(ca_file, "-") != 0) { if ((new->ca = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL) { goto error; } mbedtls_x509_crt_init(new->ca); if (mbedtls_x509_crt_parse_file(new->ca, ca_file) != 0) { goto error; } } #if defined(MBEDTLS_X509_CRL_PARSE_C) if (strcmp(crl_file, "-") != 0) { if ((new->crl = mbedtls_calloc(1, sizeof(mbedtls_x509_crl))) == NULL) { goto error; } mbedtls_x509_crl_init(new->crl); if (mbedtls_x509_crl_parse_file(new->crl, crl_file) != 0) { goto error; } } #endif if (strcmp(auth_str, "-") != 0) { if ((new->authmode = get_auth_mode(auth_str)) < 0) { goto error; } } else { new->authmode = DFL_AUTH_MODE; } new->next = cur; cur = new; } return cur; error: sni_free(new); sni_free(cur); return NULL; } /* * SNI callback. */ int sni_callback(void *p_info, mbedtls_ssl_context *ssl, const unsigned char *name, size_t name_len) { const sni_entry *cur = (const sni_entry *) p_info; while (cur != NULL) { if (name_len == strlen(cur->name) && memcmp(name, cur->name, name_len) == 0) { if (cur->ca != NULL) { mbedtls_ssl_set_hs_ca_chain(ssl, cur->ca, cur->crl); } if (cur->authmode != DFL_AUTH_MODE) { mbedtls_ssl_set_hs_authmode(ssl, cur->authmode); } return mbedtls_ssl_set_hs_own_cert(ssl, cur->cert, cur->key); } cur = cur->next; } return -1; } #endif /* SNI_OPTION */ #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) typedef struct _psk_entry psk_entry; struct _psk_entry { const char *name; size_t key_len; unsigned char key[MBEDTLS_PSK_MAX_LEN]; #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_key_id_t slot; #endif /* MBEDTLS_USE_PSA_CRYPTO */ psk_entry *next; }; /* * Free a list of psk_entry's */ int psk_free(psk_entry *head) { psk_entry *next; while (head != NULL) { #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_status_t status; psa_key_id_t const slot = head->slot; if (slot != 0) { status = psa_destroy_key(slot); if (status != PSA_SUCCESS) { return status; } } #endif /* MBEDTLS_USE_PSA_CRYPTO */ next = head->next; mbedtls_free(head); head = next; } return 0; } /* * Parse a string of pairs name1,key1[,name2,key2[,...]] * into a usable psk_entry list. * * Modifies the input string! This is not production quality! */ psk_entry *psk_parse(char *psk_string) { psk_entry *cur = NULL, *new = NULL; char *p = psk_string; char *end = p; char *key_hex; while (*end != '\0') { ++end; } *end = ','; while (p <= end) { if ((new = mbedtls_calloc(1, sizeof(psk_entry))) == NULL) { goto error; } memset(new, 0, sizeof(psk_entry)); GET_ITEM(new->name); GET_ITEM(key_hex); if (mbedtls_test_unhexify(new->key, MBEDTLS_PSK_MAX_LEN, key_hex, &new->key_len) != 0) { goto error; } new->next = cur; cur = new; } return cur; error: psk_free(new); psk_free(cur); return 0; } /* * PSK callback */ int psk_callback(void *p_info, mbedtls_ssl_context *ssl, const unsigned char *name, size_t name_len) { psk_entry *cur = (psk_entry *) p_info; while (cur != NULL) { if (name_len == strlen(cur->name) && memcmp(name, cur->name, name_len) == 0) { #if defined(MBEDTLS_USE_PSA_CRYPTO) if (cur->slot != 0) { return mbedtls_ssl_set_hs_psk_opaque(ssl, cur->slot); } else #endif return mbedtls_ssl_set_hs_psk(ssl, cur->key, cur->key_len); } cur = cur->next; } return -1; } #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */ static mbedtls_net_context listen_fd, client_fd; /* Interruption handler to ensure clean exit (for valgrind testing) */ #if !defined(_WIN32) static int received_sigterm = 0; void term_handler(int sig) { ((void) sig); received_sigterm = 1; mbedtls_net_free(&listen_fd); /* causes mbedtls_net_accept() to abort */ mbedtls_net_free(&client_fd); /* causes net_read() to abort */ } #endif /** Return true if \p ret is a status code indicating that there is an * operation in progress on an SSL connection, and false if it indicates * success or a fatal error. * * The possible operations in progress are: * * - A read, when the SSL input buffer does not contain a full message. * - A write, when the SSL output buffer contains some data that has not * been sent over the network yet. * - An asynchronous callback that has not completed yet. */ static int mbedtls_status_is_ssl_in_progress(int ret) { return ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE || ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS; } #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) typedef struct { mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */ mbedtls_pk_context *pk; /*!< Private key */ unsigned delay; /*!< Number of resume steps to go through */ unsigned pk_owned : 1; /*!< Whether to free the pk object on exit */ } ssl_async_key_slot_t; typedef enum { SSL_ASYNC_INJECT_ERROR_NONE = 0, /*!< Let the callbacks succeed */ SSL_ASYNC_INJECT_ERROR_START, /*!< Inject error during start */ SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start */ SSL_ASYNC_INJECT_ERROR_RESUME, /*!< Inject error during resume */ #define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME } ssl_async_inject_error_t; typedef struct { ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */ size_t slots_used; ssl_async_inject_error_t inject_error; int (*f_rng)(void *, unsigned char *, size_t); void *p_rng; } ssl_async_key_context_t; int ssl_async_set_key(ssl_async_key_context_t *ctx, mbedtls_x509_crt *cert, mbedtls_pk_context *pk, int pk_take_ownership, unsigned delay) { if (ctx->slots_used >= sizeof(ctx->slots) / sizeof(*ctx->slots)) { return -1; } ctx->slots[ctx->slots_used].cert = cert; ctx->slots[ctx->slots_used].pk = pk; ctx->slots[ctx->slots_used].delay = delay; ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership; ++ctx->slots_used; return 0; } #define SSL_ASYNC_INPUT_MAX_SIZE 512 typedef enum { ASYNC_OP_SIGN, ASYNC_OP_DECRYPT, } ssl_async_operation_type_t; typedef struct { unsigned slot; ssl_async_operation_type_t operation_type; mbedtls_md_type_t md_alg; unsigned char input[SSL_ASYNC_INPUT_MAX_SIZE]; size_t input_len; unsigned remaining_delay; } ssl_async_operation_context_t; #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) /* Note that ssl_async_operation_type_t and the array below need to be kept in sync! * `ssl_async_operation_names[op]` is the name of op for each value `op` * of type `ssl_async_operation_type_t`. */ static const char *const ssl_async_operation_names[] = { "sign", "decrypt", }; static int ssl_async_start(mbedtls_ssl_context *ssl, mbedtls_x509_crt *cert, ssl_async_operation_type_t op_type, mbedtls_md_type_t md_alg, const unsigned char *input, size_t input_len) { ssl_async_key_context_t *config_data = mbedtls_ssl_conf_get_async_config_data(ssl->conf); unsigned slot; ssl_async_operation_context_t *ctx = NULL; const char *op_name = ssl_async_operation_names[op_type]; { char dn[100]; if (mbedtls_x509_dn_gets(dn, sizeof(dn), &cert->subject) > 0) { mbedtls_printf("Async %s callback: looking for DN=%s\n", op_name, dn); } } /* Look for a private key that matches the public key in cert. * Since this test code has the private key inside Mbed TLS, * we call mbedtls_pk_check_pair to match a private key with the * public key. */ for (slot = 0; slot < config_data->slots_used; slot++) { if (mbedtls_pk_check_pair(&cert->pk, config_data->slots[slot].pk) == 0) { break; } } if (slot == config_data->slots_used) { mbedtls_printf("Async %s callback: no key matches this certificate.\n", op_name); return MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH; } mbedtls_printf("Async %s callback: using key slot %u, delay=%u.\n", op_name, slot, config_data->slots[slot].delay); if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START) { mbedtls_printf("Async %s callback: injected error\n", op_name); return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE; } if (input_len > SSL_ASYNC_INPUT_MAX_SIZE) { return MBEDTLS_ERR_SSL_BAD_INPUT_DATA; } ctx = mbedtls_calloc(1, sizeof(*ctx)); if (ctx == NULL) { return MBEDTLS_ERR_SSL_ALLOC_FAILED; } ctx->slot = slot; ctx->operation_type = op_type; ctx->md_alg = md_alg; memcpy(ctx->input, input, input_len); ctx->input_len = input_len; ctx->remaining_delay = config_data->slots[slot].delay; mbedtls_ssl_set_async_operation_data(ssl, ctx); if (ctx->remaining_delay == 0) { return 0; } else { return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS; } } static int ssl_async_sign(mbedtls_ssl_context *ssl, mbedtls_x509_crt *cert, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hash_len) { return ssl_async_start(ssl, cert, ASYNC_OP_SIGN, md_alg, hash, hash_len); } static int ssl_async_decrypt(mbedtls_ssl_context *ssl, mbedtls_x509_crt *cert, const unsigned char *input, size_t input_len) { return ssl_async_start(ssl, cert, ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE, input, input_len); } static int ssl_async_resume(mbedtls_ssl_context *ssl, unsigned char *output, size_t *output_len, size_t output_size) { ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl); ssl_async_key_context_t *config_data = mbedtls_ssl_conf_get_async_config_data(ssl->conf); ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot]; int ret; const char *op_name; if (ctx->remaining_delay > 0) { --ctx->remaining_delay; mbedtls_printf("Async resume (slot %u): call %u more times.\n", ctx->slot, ctx->remaining_delay); return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS; } switch (ctx->operation_type) { case ASYNC_OP_DECRYPT: ret = mbedtls_pk_decrypt(key_slot->pk, ctx->input, ctx->input_len, output, output_len, output_size, config_data->f_rng, config_data->p_rng); break; case ASYNC_OP_SIGN: ret = mbedtls_pk_sign(key_slot->pk, ctx->md_alg, ctx->input, ctx->input_len, output, output_len, config_data->f_rng, config_data->p_rng); break; default: mbedtls_printf( "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n", ctx->slot, (long) ctx->operation_type); mbedtls_free(ctx); return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE; break; } op_name = ssl_async_operation_names[ctx->operation_type]; if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME) { mbedtls_printf("Async resume callback: %s done but injected error\n", op_name); mbedtls_free(ctx); return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE; } mbedtls_printf("Async resume (slot %u): %s done, status=%d.\n", ctx->slot, op_name, ret); mbedtls_free(ctx); return ret; } static void ssl_async_cancel(mbedtls_ssl_context *ssl) { ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl); mbedtls_printf("Async cancel callback.\n"); mbedtls_free(ctx); } #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) static psa_status_t psa_setup_psk_key_slot(psa_key_id_t *slot, psa_algorithm_t alg, unsigned char *psk, size_t psk_len) { psa_status_t status; psa_key_attributes_t key_attributes; key_attributes = psa_key_attributes_init(); psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE); psa_set_key_algorithm(&key_attributes, alg); psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE); status = psa_import_key(&key_attributes, psk, psk_len, slot); if (status != PSA_SUCCESS) { fprintf(stderr, "IMPORT\n"); return status; } return PSA_SUCCESS; } #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */ #endif /* MBEDTLS_USE_PSA_CRYPTO */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) int report_cid_usage(mbedtls_ssl_context *ssl, const char *additional_description) { int ret; unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX]; size_t peer_cid_len; int cid_negotiated; if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) { return 0; } /* Check if the use of a CID has been negotiated */ ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, peer_cid, &peer_cid_len); if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n", (unsigned int) -ret); return ret; } if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) { if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) { mbedtls_printf("(%s) Use of Connection ID was not offered by client.\n", additional_description); } } else { size_t idx = 0; mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n", additional_description); mbedtls_printf("(%s) Peer CID (length %u Bytes): ", additional_description, (unsigned) peer_cid_len); while (idx < peer_cid_len) { mbedtls_printf("%02x ", peer_cid[idx]); idx++; } mbedtls_printf("\n"); } return 0; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ int main(int argc, char *argv[]) { int ret = 0, len, written, frags, exchanges_left; int query_config_ret = 0; int version_suites[4][2]; io_ctx_t io_ctx; unsigned char *buf = 0; #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_algorithm_t alg = 0; psa_key_id_t psk_slot = 0; #endif /* MBEDTLS_USE_PSA_CRYPTO */ unsigned char psk[MBEDTLS_PSK_MAX_LEN]; size_t psk_len = 0; psk_entry *psk_info = NULL; #endif const char *pers = "ssl_server2"; unsigned char client_ip[16] = { 0 }; size_t cliip_len; #if defined(MBEDTLS_SSL_COOKIE_C) mbedtls_ssl_cookie_ctx cookie_ctx; #endif rng_context_t rng; mbedtls_ssl_context ssl; mbedtls_ssl_config conf; #if defined(MBEDTLS_TIMING_C) mbedtls_timing_delay_context timer; #endif #if defined(MBEDTLS_SSL_RENEGOTIATION) unsigned char renego_period[8] = { 0 }; #endif #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) uint32_t flags; mbedtls_x509_crt cacert; mbedtls_x509_crt srvcert; mbedtls_pk_context pkey; mbedtls_x509_crt srvcert2; mbedtls_pk_context pkey2; mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default; #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_key_id_t key_slot = 0; /* invalid key slot */ psa_key_id_t key_slot2 = 0; /* invalid key slot */ #endif int key_cert_init = 0, key_cert_init2 = 0; #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) ssl_async_key_context_t ssl_async_keys; #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) mbedtls_dhm_context dhm; #endif #if defined(MBEDTLS_SSL_CACHE_C) mbedtls_ssl_cache_context cache; #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) mbedtls_ssl_ticket_context ticket_ctx; #endif #if defined(SNI_OPTION) sni_entry *sni_info = NULL; #endif #if defined(MBEDTLS_ECP_C) mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE]; const mbedtls_ecp_curve_info *curve_cur; #endif #if defined(MBEDTLS_SSL_ALPN) const char *alpn_list[ALPN_LIST_SIZE]; #endif #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) unsigned char alloc_buf[MEMORY_HEAP_SIZE]; #endif #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX]; unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX]; size_t cid_len = 0; size_t cid_renego_len = 0; #endif #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) unsigned char *context_buf = NULL; size_t context_buf_len = 0; #endif int i; char *p, *q; const int *list; #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_status_t status; #endif #if defined(MBEDTLS_SSL_EXPORT_KEYS) unsigned char eap_tls_keymaterial[16]; unsigned char eap_tls_iv[8]; const char *eap_tls_label = "client EAP encryption"; eap_tls_keys eap_tls_keying; #if defined(MBEDTLS_SSL_DTLS_SRTP) /*! master keys and master salt for SRTP generated during handshake */ unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH]; const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp"; dtls_srtp_keys dtls_srtp_keying; const mbedtls_ssl_srtp_profile default_profiles[] = { MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32, MBEDTLS_TLS_SRTP_UNSET }; #endif /* MBEDTLS_SSL_DTLS_SRTP */ #endif /* MBEDTLS_SSL_EXPORT_KEYS */ #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf)); #if defined(MBEDTLS_MEMORY_DEBUG) size_t current_heap_memory, peak_heap_memory, heap_blocks; #endif /* MBEDTLS_MEMORY_DEBUG */ #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */ #if defined(MBEDTLS_TEST_HOOKS) test_hooks_init(); #endif /* MBEDTLS_TEST_HOOKS */ /* * Make sure memory references are valid in case we exit early. */ mbedtls_net_init(&client_fd); mbedtls_net_init(&listen_fd); mbedtls_ssl_init(&ssl); mbedtls_ssl_config_init(&conf); rng_init(&rng); #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) mbedtls_x509_crt_init(&cacert); mbedtls_x509_crt_init(&srvcert); mbedtls_pk_init(&pkey); mbedtls_x509_crt_init(&srvcert2); mbedtls_pk_init(&pkey2); #endif #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) memset(&ssl_async_keys, 0, sizeof(ssl_async_keys)); #endif #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) mbedtls_dhm_init(&dhm); #endif #if defined(MBEDTLS_SSL_CACHE_C) mbedtls_ssl_cache_init(&cache); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) mbedtls_ssl_ticket_init(&ticket_ctx); #endif #if defined(MBEDTLS_SSL_ALPN) memset((void *) alpn_list, 0, sizeof(alpn_list)); #endif #if defined(MBEDTLS_SSL_COOKIE_C) mbedtls_ssl_cookie_init(&cookie_ctx); #endif #if defined(MBEDTLS_USE_PSA_CRYPTO) status = psa_crypto_init(); if (status != PSA_SUCCESS) { mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n", (int) status); ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; goto exit; } #endif /* MBEDTLS_USE_PSA_CRYPTO */ #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) mbedtls_test_enable_insecure_external_rng(); #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */ #if !defined(_WIN32) /* Abort cleanly on SIGTERM and SIGINT */ signal(SIGTERM, term_handler); signal(SIGINT, term_handler); #endif if (argc < 2) { usage: if (ret == 0) { ret = 1; } mbedtls_printf(USAGE1); mbedtls_printf(USAGE2); mbedtls_printf(USAGE3); mbedtls_printf(USAGE4); list = mbedtls_ssl_list_ciphersuites(); while (*list) { mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list)); list++; if (!*list) { break; } mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); list++; } mbedtls_printf("\n"); goto exit; } opt.buffer_size = DFL_IO_BUF_LEN; opt.server_addr = DFL_SERVER_ADDR; opt.server_port = DFL_SERVER_PORT; opt.debug_level = DFL_DEBUG_LEVEL; opt.event = DFL_EVENT; opt.response_size = DFL_RESPONSE_SIZE; opt.nbio = DFL_NBIO; opt.cid_enabled = DFL_CID_ENABLED; opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO; opt.cid_val = DFL_CID_VALUE; opt.cid_val_renego = DFL_CID_VALUE_RENEGO; opt.read_timeout = DFL_READ_TIMEOUT; opt.ca_file = DFL_CA_FILE; opt.ca_path = DFL_CA_PATH; opt.crt_file = DFL_CRT_FILE; opt.key_file = DFL_KEY_FILE; opt.key_opaque = DFL_KEY_OPAQUE; opt.key_pwd = DFL_KEY_PWD; opt.crt_file2 = DFL_CRT_FILE2; opt.key_file2 = DFL_KEY_FILE2; opt.key_pwd2 = DFL_KEY_PWD2; opt.async_operations = DFL_ASYNC_OPERATIONS; opt.async_private_delay1 = DFL_ASYNC_PRIVATE_DELAY1; opt.async_private_delay2 = DFL_ASYNC_PRIVATE_DELAY2; opt.async_private_error = DFL_ASYNC_PRIVATE_ERROR; opt.psk = DFL_PSK; #if defined(MBEDTLS_USE_PSA_CRYPTO) opt.psk_opaque = DFL_PSK_OPAQUE; opt.psk_list_opaque = DFL_PSK_LIST_OPAQUE; #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) opt.ca_callback = DFL_CA_CALLBACK; #endif opt.psk_identity = DFL_PSK_IDENTITY; opt.psk_list = DFL_PSK_LIST; opt.ecjpake_pw = DFL_ECJPAKE_PW; opt.force_ciphersuite[0] = DFL_FORCE_CIPHER; opt.version_suites = DFL_VERSION_SUITES; opt.renegotiation = DFL_RENEGOTIATION; opt.allow_legacy = DFL_ALLOW_LEGACY; opt.renegotiate = DFL_RENEGOTIATE; opt.renego_delay = DFL_RENEGO_DELAY; opt.renego_period = DFL_RENEGO_PERIOD; opt.exchanges = DFL_EXCHANGES; opt.min_version = DFL_MIN_VERSION; opt.max_version = DFL_MAX_VERSION; opt.arc4 = DFL_ARC4; opt.allow_sha1 = DFL_SHA1; opt.auth_mode = DFL_AUTH_MODE; opt.cert_req_ca_list = DFL_CERT_REQ_CA_LIST; opt.mfl_code = DFL_MFL_CODE; opt.trunc_hmac = DFL_TRUNC_HMAC; opt.tickets = DFL_TICKETS; opt.ticket_timeout = DFL_TICKET_TIMEOUT; opt.cache_max = DFL_CACHE_MAX; #if defined(MBEDTLS_HAVE_TIME) opt.cache_timeout = DFL_CACHE_TIMEOUT; #endif opt.sni = DFL_SNI; opt.alpn_string = DFL_ALPN_STRING; opt.curves = DFL_CURVES; opt.dhm_file = DFL_DHM_FILE; opt.transport = DFL_TRANSPORT; opt.cookies = DFL_COOKIES; opt.anti_replay = DFL_ANTI_REPLAY; opt.hs_to_min = DFL_HS_TO_MIN; opt.hs_to_max = DFL_HS_TO_MAX; opt.dtls_mtu = DFL_DTLS_MTU; opt.dgram_packing = DFL_DGRAM_PACKING; opt.badmac_limit = DFL_BADMAC_LIMIT; opt.extended_ms = DFL_EXTENDED_MS; opt.etm = DFL_ETM; opt.serialize = DFL_SERIALIZE; opt.context_file = DFL_CONTEXT_FILE; opt.eap_tls = DFL_EAP_TLS; opt.reproducible = DFL_REPRODUCIBLE; opt.nss_keylog = DFL_NSS_KEYLOG; opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE; opt.query_config_mode = DFL_QUERY_CONFIG_MODE; opt.use_srtp = DFL_USE_SRTP; opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE; opt.support_mki = DFL_SRTP_SUPPORT_MKI; for (i = 1; i < argc; i++) { p = argv[i]; if ((q = strchr(p, '=')) == NULL) { goto usage; } *q++ = '\0'; if (strcmp(p, "server_port") == 0) { opt.server_port = q; } else if (strcmp(p, "server_addr") == 0) { opt.server_addr = q; } else if (strcmp(p, "dtls") == 0) { int t = atoi(q); if (t == 0) { opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM; } else if (t == 1) { opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else { goto usage; } } else if (strcmp(p, "debug_level") == 0) { opt.debug_level = atoi(q); if (opt.debug_level < 0 || opt.debug_level > 65535) { goto usage; } } else if (strcmp(p, "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, "nbio") == 0) { opt.nbio = atoi(q); if (opt.nbio < 0 || opt.nbio > 2) { goto usage; } } else if (strcmp(p, "event") == 0) { opt.event = atoi(q); if (opt.event < 0 || opt.event > 2) { goto usage; } } else if (strcmp(p, "read_timeout") == 0) { opt.read_timeout = atoi(q); } else if (strcmp(p, "buffer_size") == 0) { opt.buffer_size = atoi(q); if (opt.buffer_size < 1 || opt.buffer_size > MBEDTLS_SSL_MAX_CONTENT_LEN + 1) { goto usage; } } else if (strcmp(p, "response_size") == 0) { opt.response_size = atoi(q); if (opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_MAX_CONTENT_LEN) { goto usage; } if (opt.buffer_size < opt.response_size) { opt.buffer_size = opt.response_size; } } else if (strcmp(p, "ca_file") == 0) { opt.ca_file = q; } else if (strcmp(p, "ca_path") == 0) { opt.ca_path = q; } else if (strcmp(p, "crt_file") == 0) { opt.crt_file = q; } else if (strcmp(p, "key_file") == 0) { opt.key_file = q; } else if (strcmp(p, "key_pwd") == 0) { opt.key_pwd = q; } #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) else if (strcmp(p, "key_opaque") == 0) { opt.key_opaque = atoi(q); } #endif else if (strcmp(p, "crt_file2") == 0) { opt.crt_file2 = q; } else if (strcmp(p, "key_file2") == 0) { opt.key_file2 = q; } else if (strcmp(p, "key_pwd2") == 0) { opt.key_pwd2 = q; } else if (strcmp(p, "dhm_file") == 0) { opt.dhm_file = q; } #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) else if (strcmp(p, "async_operations") == 0) { opt.async_operations = q; } else if (strcmp(p, "async_private_delay1") == 0) { opt.async_private_delay1 = atoi(q); } else if (strcmp(p, "async_private_delay2") == 0) { opt.async_private_delay2 = atoi(q); } else if (strcmp(p, "async_private_error") == 0) { int n = atoi(q); if (n < -SSL_ASYNC_INJECT_ERROR_MAX || n > SSL_ASYNC_INJECT_ERROR_MAX) { ret = 2; goto usage; } opt.async_private_error = n; } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) else if (strcmp(p, "cid") == 0) { opt.cid_enabled = atoi(q); if (opt.cid_enabled != 0 && opt.cid_enabled != 1) { goto usage; } } else if (strcmp(p, "cid_renego") == 0) { opt.cid_enabled_renego = atoi(q); if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) { goto usage; } } else if (strcmp(p, "cid_val") == 0) { opt.cid_val = q; } else if (strcmp(p, "cid_val_renego") == 0) { opt.cid_val_renego = q; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ else if (strcmp(p, "psk") == 0) { opt.psk = q; } #if defined(MBEDTLS_USE_PSA_CRYPTO) else if (strcmp(p, "psk_opaque") == 0) { opt.psk_opaque = atoi(q); } else if (strcmp(p, "psk_list_opaque") == 0) { opt.psk_list_opaque = atoi(q); } #endif #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK) else if (strcmp(p, "ca_callback") == 0) { opt.ca_callback = atoi(q); } #endif else if (strcmp(p, "psk_identity") == 0) { opt.psk_identity = q; } else if (strcmp(p, "psk_list") == 0) { opt.psk_list = q; } else if (strcmp(p, "ecjpake_pw") == 0) { opt.ecjpake_pw = q; } else if (strcmp(p, "force_ciphersuite") == 0) { opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q); if (opt.force_ciphersuite[0] == 0) { ret = 2; goto usage; } opt.force_ciphersuite[1] = 0; } else if (strcmp(p, "curves") == 0) { opt.curves = q; } else if (strcmp(p, "version_suites") == 0) { opt.version_suites = q; } else if (strcmp(p, "renegotiation") == 0) { opt.renegotiation = (atoi(q)) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED; } else if (strcmp(p, "allow_legacy") == 0) { switch (atoi(q)) { case -1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; break; case 0: opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; break; case 1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; break; default: goto usage; } } else if (strcmp(p, "renegotiate") == 0) { opt.renegotiate = atoi(q); if (opt.renegotiate < 0 || opt.renegotiate > 1) { goto usage; } } else if (strcmp(p, "renego_delay") == 0) { opt.renego_delay = atoi(q); } else if (strcmp(p, "renego_period") == 0) { #if defined(_MSC_VER) opt.renego_period = _strtoui64(q, NULL, 10); #else if (sscanf(q, "%" SCNu64, &opt.renego_period) != 1) { goto usage; } #endif /* _MSC_VER */ if (opt.renego_period < 2) { goto usage; } } else if (strcmp(p, "exchanges") == 0) { opt.exchanges = atoi(q); if (opt.exchanges < 0) { goto usage; } } else if (strcmp(p, "min_version") == 0) { if (strcmp(q, "ssl3") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; } else if (strcmp(q, "tls1") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; } else if (strcmp(q, "tls1_1") == 0 || strcmp(q, "dtls1") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; } else if (strcmp(q, "tls12") == 0 || strcmp(q, "dtls12") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; } else { goto usage; } } else if (strcmp(p, "max_version") == 0) { if (strcmp(q, "ssl3") == 0) { opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; } else if (strcmp(q, "tls1") == 0) { opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; } else if (strcmp(q, "tls1_1") == 0 || strcmp(q, "dtls1") == 0) { opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; } else if (strcmp(q, "tls12") == 0 || strcmp(q, "dtls12") == 0) { opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; } else { goto usage; } } else if (strcmp(p, "arc4") == 0) { switch (atoi(q)) { case 0: opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED; break; case 1: opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; break; default: goto usage; } } else if (strcmp(p, "allow_sha1") == 0) { switch (atoi(q)) { case 0: opt.allow_sha1 = 0; break; case 1: opt.allow_sha1 = 1; break; default: goto usage; } } else if (strcmp(p, "force_version") == 0) { if (strcmp(q, "ssl3") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; } else if (strcmp(q, "tls1") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; } else if (strcmp(q, "tls1_1") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; } else if (strcmp(q, "tls12") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; } else if (strcmp(q, "dtls1") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else if (strcmp(q, "dtls12") == 0) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else { goto usage; } } else if (strcmp(p, "auth_mode") == 0) { if ((opt.auth_mode = get_auth_mode(q)) < 0) { goto usage; } } else if (strcmp(p, "cert_req_ca_list") == 0) { opt.cert_req_ca_list = atoi(q); if (opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 1) { goto usage; } } else if (strcmp(p, "max_frag_len") == 0) { if (strcmp(q, "512") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512; } else if (strcmp(q, "1024") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024; } else if (strcmp(q, "2048") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048; } else if (strcmp(q, "4096") == 0) { opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096; } else { goto usage; } } else if (strcmp(p, "alpn") == 0) { opt.alpn_string = q; } else if (strcmp(p, "trunc_hmac") == 0) { switch (atoi(q)) { case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break; case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break; default: goto usage; } } else if (strcmp(p, "extended_ms") == 0) { switch (atoi(q)) { case 0: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; break; case 1: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; break; default: goto usage; } } else if (strcmp(p, "etm") == 0) { switch (atoi(q)) { case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break; case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break; default: goto usage; } } else if (strcmp(p, "tickets") == 0) { opt.tickets = atoi(q); if (opt.tickets < 0 || opt.tickets > 1) { goto usage; } } else if (strcmp(p, "ticket_timeout") == 0) { opt.ticket_timeout = atoi(q); if (opt.ticket_timeout < 0) { goto usage; } } else if (strcmp(p, "cache_max") == 0) { opt.cache_max = atoi(q); if (opt.cache_max < 0) { goto usage; } } #if defined(MBEDTLS_HAVE_TIME) else if (strcmp(p, "cache_timeout") == 0) { opt.cache_timeout = atoi(q); if (opt.cache_timeout < 0) { goto usage; } } #endif else if (strcmp(p, "cookies") == 0) { opt.cookies = atoi(q); if (opt.cookies < -1 || opt.cookies > 1) { goto usage; } } else if (strcmp(p, "anti_replay") == 0) { opt.anti_replay = atoi(q); if (opt.anti_replay < 0 || opt.anti_replay > 1) { goto usage; } } else if (strcmp(p, "badmac_limit") == 0) { opt.badmac_limit = atoi(q); if (opt.badmac_limit < 0) { goto usage; } } else if (strcmp(p, "hs_timeout") == 0) { if ((p = strchr(q, '-')) == NULL) { goto usage; } *p++ = '\0'; opt.hs_to_min = atoi(q); opt.hs_to_max = atoi(p); if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) { goto usage; } } else if (strcmp(p, "mtu") == 0) { opt.dtls_mtu = atoi(q); if (opt.dtls_mtu < 0) { goto usage; } } else if (strcmp(p, "dgram_packing") == 0) { opt.dgram_packing = atoi(q); if (opt.dgram_packing != 0 && opt.dgram_packing != 1) { goto usage; } } else if (strcmp(p, "sni") == 0) { opt.sni = q; } else if (strcmp(p, "query_config") == 0) { opt.query_config_mode = 1; query_config_ret = query_config(q); goto exit; } else if (strcmp(p, "serialize") == 0) { opt.serialize = atoi(q); if (opt.serialize < 0 || opt.serialize > 2) { goto usage; } } else if (strcmp(p, "context_file") == 0) { opt.context_file = q; } else if (strcmp(p, "eap_tls") == 0) { opt.eap_tls = atoi(q); if (opt.eap_tls < 0 || opt.eap_tls > 1) { goto usage; } } else if (strcmp(p, "reproducible") == 0) { opt.reproducible = 1; } else if (strcmp(p, "nss_keylog") == 0) { opt.nss_keylog = atoi(q); if (opt.nss_keylog < 0 || opt.nss_keylog > 1) { goto usage; } } else if (strcmp(p, "nss_keylog_file") == 0) { opt.nss_keylog_file = q; } else if (strcmp(p, "use_srtp") == 0) { opt.use_srtp = atoi(q); } else if (strcmp(p, "srtp_force_profile") == 0) { opt.force_srtp_profile = atoi(q); } else if (strcmp(p, "support_mki") == 0) { opt.support_mki = atoi(q); } else { goto usage; } } if (opt.nss_keylog != 0 && opt.eap_tls != 0) { mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n"); goto usage; } /* Event-driven IO is incompatible with the above custom * receive and send functions, as the polling builds on * refers to the underlying net_context. */ if (opt.event == 1 && opt.nbio != 1) { mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n"); opt.nbio = 1; } #if defined(MBEDTLS_DEBUG_C) mbedtls_debug_set_threshold(opt.debug_level); #endif /* buf will alternatively contain the input read from the client and the * response that's about to be sent, plus a null byte in each case. */ size_t buf_content_size = opt.buffer_size; /* The default response contains the ciphersuite name. Leave enough * room for that plus some margin. */ if (buf_content_size < strlen(HTTP_RESPONSE) + 80) { buf_content_size = strlen(HTTP_RESPONSE) + 80; } if (opt.response_size != DFL_RESPONSE_SIZE && buf_content_size < (size_t) opt.response_size) { buf_content_size = opt.response_size; } buf = mbedtls_calloc(1, buf_content_size + 1); if (buf == NULL) { mbedtls_printf("Could not allocate %lu bytes\n", (unsigned long) buf_content_size + 1); ret = 3; goto exit; } #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { if (strlen(opt.psk) == 0) { mbedtls_printf("psk_opaque set but no psk to be imported specified.\n"); ret = 2; goto usage; } if (opt.force_ciphersuite[0] <= 0) { mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n"); ret = 2; goto usage; } } if (opt.psk_list_opaque != 0) { if (opt.psk_list == NULL) { mbedtls_printf("psk_slot set but no psk to be imported specified.\n"); ret = 2; goto usage; } if (opt.force_ciphersuite[0] <= 0) { mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n"); ret = 2; goto usage; } } #endif /* MBEDTLS_USE_PSA_CRYPTO */ if (opt.force_ciphersuite[0] > 0) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info; ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]); if (opt.max_version != -1 && ciphersuite_info->min_minor_ver > opt.max_version) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } if (opt.min_version != -1 && ciphersuite_info->max_minor_ver < opt.min_version) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } /* If we select a version that's not supported by * this suite, then there will be no common ciphersuite... */ if (opt.max_version == -1 || opt.max_version > ciphersuite_info->max_minor_ver) { opt.max_version = ciphersuite_info->max_minor_ver; } if (opt.min_version < ciphersuite_info->min_minor_ver) { opt.min_version = ciphersuite_info->min_minor_ver; /* DTLS starts with TLS 1.1 */ if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM && opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; } } /* Enable RC4 if needed and not explicitly disabled */ if (ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128) { if (opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED) { mbedtls_printf("forced RC4 ciphersuite with RC4 disabled\n"); ret = 2; goto usage; } opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; } #if defined(MBEDTLS_USE_PSA_CRYPTO) #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) if (opt.psk_opaque != 0 || opt.psk_list_opaque != 0) { /* Determine KDF algorithm the opaque PSK will be used in. */ #if defined(MBEDTLS_SHA512_C) if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) { alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384); } else #endif /* MBEDTLS_SHA512_C */ alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256); } #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */ #endif /* MBEDTLS_USE_PSA_CRYPTO */ } if (opt.version_suites != NULL) { const char *name[4] = { 0 }; /* Parse 4-element coma-separated list */ for (i = 0, p = (char *) opt.version_suites; i < 4 && *p != '\0'; i++) { name[i] = p; /* Terminate the current string and move on to next one */ while (*p != ',' && *p != '\0') { p++; } if (*p == ',') { *p++ = '\0'; } } if (i != 4) { mbedtls_printf("too few values for version_suites\n"); ret = 1; goto exit; } memset(version_suites, 0, sizeof(version_suites)); /* Get the suites identifiers from their name */ for (i = 0; i < 4; i++) { version_suites[i][0] = mbedtls_ssl_get_ciphersuite_id(name[i]); if (version_suites[i][0] == 0) { mbedtls_printf("unknown ciphersuite: '%s'\n", name[i]); ret = 2; goto usage; } } } #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (mbedtls_test_unhexify(cid, sizeof(cid), opt.cid_val, &cid_len) != 0) { mbedtls_printf("CID not valid hex\n"); goto exit; } /* Keep CID settings for renegotiation unless * specified otherwise. */ if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) { opt.cid_enabled_renego = opt.cid_enabled; } if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) { opt.cid_val_renego = opt.cid_val; } if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego), opt.cid_val_renego, &cid_renego_len) != 0) { mbedtls_printf("CID not valid hex\n"); goto exit; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) /* * Unhexify the pre-shared key and parse the list if any given */ if (mbedtls_test_unhexify(psk, sizeof(psk), opt.psk, &psk_len) != 0) { mbedtls_printf("pre-shared key not valid hex\n"); goto exit; } if (opt.psk_list != NULL) { if ((psk_info = psk_parse(opt.psk_list)) == NULL) { mbedtls_printf("psk_list invalid"); goto exit; } } #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */ #if defined(MBEDTLS_ECP_C) if (opt.curves != NULL) { p = (char *) opt.curves; i = 0; if (strcmp(p, "none") == 0) { curve_list[0] = MBEDTLS_ECP_DP_NONE; } else if (strcmp(p, "default") != 0) { /* Leave room for a final NULL in curve list */ while (i < CURVE_LIST_SIZE - 1 && *p != '\0') { q = p; /* Terminate the current string */ while (*p != ',' && *p != '\0') { p++; } if (*p == ',') { *p++ = '\0'; } if ((curve_cur = mbedtls_ecp_curve_info_from_name(q)) != NULL) { curve_list[i++] = curve_cur->grp_id; } else { mbedtls_printf("unknown curve %s\n", q); mbedtls_printf("supported curves: "); for (curve_cur = mbedtls_ecp_curve_list(); curve_cur->grp_id != MBEDTLS_ECP_DP_NONE; curve_cur++) { mbedtls_printf("%s ", curve_cur->name); } mbedtls_printf("\n"); goto exit; } } mbedtls_printf("Number of curves: %d\n", i); if (i == CURVE_LIST_SIZE - 1 && *p != '\0') { mbedtls_printf("curves list too long, maximum %d", CURVE_LIST_SIZE - 1); goto exit; } curve_list[i] = MBEDTLS_ECP_DP_NONE; } } #endif /* MBEDTLS_ECP_C */ #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { p = (char *) opt.alpn_string; i = 0; /* Leave room for a final NULL in alpn_list */ while (i < ALPN_LIST_SIZE - 1 && *p != '\0') { alpn_list[i++] = p; /* Terminate the current string and move on to next one */ while (*p != ',' && *p != '\0') { p++; } if (*p == ',') { *p++ = '\0'; } } } #endif /* MBEDTLS_SSL_ALPN */ 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_KEY_EXCHANGE_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_CERTS_C) { #if defined(MBEDTLS_PEM_PARSE_C) for (i = 0; mbedtls_test_cas[i] != NULL; i++) { ret = mbedtls_x509_crt_parse(&cacert, (const unsigned char *) mbedtls_test_cas[i], mbedtls_test_cas_len[i]); if (ret != 0) { break; } } #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; } } } } #else { ret = 1; mbedtls_printf("MBEDTLS_CERTS_C not defined."); } #endif /* MBEDTLS_CERTS_C */ if (ret < 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok (%d skipped)\n", ret); /* * 1.2. Load own certificate and private key */ mbedtls_printf(" . Loading the server cert. and key..."); fflush(stdout); #if defined(MBEDTLS_FS_IO) if (strlen(opt.crt_file) && strcmp(opt.crt_file, "none") != 0) { key_cert_init++; if ((ret = mbedtls_x509_crt_parse_file(&srvcert, opt.crt_file)) != 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if (strlen(opt.key_file) && strcmp(opt.key_file, "none") != 0) { key_cert_init++; if ((ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd)) != 0) { mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if (key_cert_init == 1) { mbedtls_printf(" failed\n ! crt_file without key_file or vice-versa\n\n"); goto exit; } if (strlen(opt.crt_file2) && strcmp(opt.crt_file2, "none") != 0) { key_cert_init2++; if ((ret = mbedtls_x509_crt_parse_file(&srvcert2, opt.crt_file2)) != 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if (strlen(opt.key_file2) && strcmp(opt.key_file2, "none") != 0) { key_cert_init2++; if ((ret = mbedtls_pk_parse_keyfile(&pkey2, opt.key_file2, opt.key_pwd2)) != 0) { mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if (key_cert_init2 == 1) { mbedtls_printf(" failed\n ! crt_file2 without key_file2 or vice-versa\n\n"); goto exit; } #endif if (key_cert_init == 0 && strcmp(opt.crt_file, "none") != 0 && strcmp(opt.key_file, "none") != 0 && key_cert_init2 == 0 && strcmp(opt.crt_file2, "none") != 0 && strcmp(opt.key_file2, "none") != 0) { #if !defined(MBEDTLS_CERTS_C) mbedtls_printf("Not certificated or key provided, and \nMBEDTLS_CERTS_C not defined!\n"); goto exit; #else /* MBEDTLS_CERTS_C */ #if defined(MBEDTLS_RSA_C) if ((ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt_rsa, mbedtls_test_srv_crt_rsa_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if ((ret = mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key_rsa, mbedtls_test_srv_key_rsa_len, NULL, 0)) != 0) { mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", (unsigned int) -ret); goto exit; } key_cert_init = 2; #endif /* MBEDTLS_RSA_C */ #if defined(MBEDTLS_ECDSA_C) if ((ret = mbedtls_x509_crt_parse(&srvcert2, (const unsigned char *) mbedtls_test_srv_crt_ec, mbedtls_test_srv_crt_ec_len)) != 0) { mbedtls_printf(" failed\n ! x509_crt_parse2 returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if ((ret = mbedtls_pk_parse_key(&pkey2, (const unsigned char *) mbedtls_test_srv_key_ec, mbedtls_test_srv_key_ec_len, NULL, 0)) != 0) { mbedtls_printf(" failed\n ! pk_parse_key2 returned -0x%x\n\n", (unsigned int) -ret); goto exit; } key_cert_init2 = 2; #endif /* MBEDTLS_ECDSA_C */ #endif /* MBEDTLS_CERTS_C */ } #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.key_opaque != 0) { if (mbedtls_pk_get_type(&pkey) == MBEDTLS_PK_ECKEY) { if ((ret = mbedtls_pk_wrap_as_opaque(&pkey, &key_slot, PSA_ALG_ANY_HASH)) != 0) { mbedtls_printf(" failed\n ! " "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } if (mbedtls_pk_get_type(&pkey2) == MBEDTLS_PK_ECKEY) { if ((ret = mbedtls_pk_wrap_as_opaque(&pkey2, &key_slot2, PSA_ALG_ANY_HASH)) != 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 types: %s - %s)\n", mbedtls_pk_get_name(&pkey), mbedtls_pk_get_name(&pkey2)); #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) if (opt.dhm_file != NULL) { mbedtls_printf(" . Loading DHM parameters..."); fflush(stdout); if ((ret = mbedtls_dhm_parse_dhmfile(&dhm, opt.dhm_file)) != 0) { mbedtls_printf(" failed\n ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok\n"); } #endif #if defined(SNI_OPTION) if (opt.sni != NULL) { mbedtls_printf(" . Setting up SNI information..."); fflush(stdout); if ((sni_info = sni_parse(opt.sni)) == NULL) { mbedtls_printf(" failed\n"); goto exit; } mbedtls_printf(" ok\n"); } #endif /* SNI_OPTION */ /* * 2. Setup the listening TCP socket */ mbedtls_printf(" . Bind on %s://%s:%s/ ...", opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", opt.server_addr ? opt.server_addr : "*", opt.server_port); fflush(stdout); if ((ret = mbedtls_net_bind(&listen_fd, opt.server_addr, opt.server_port, opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) { mbedtls_printf(" failed\n ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok\n"); /* * 3. Setup stuff */ mbedtls_printf(" . Setting up the SSL/TLS structure..."); fflush(stdout); if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER, opt.transport, MBEDTLS_SSL_PRESET_DEFAULT)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", (unsigned int) -ret); goto exit; } #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) /* The default algorithms profile disables SHA-1, but our tests still rely on it heavily. Hence we allow it here. A real-world server should use the default profile unless there is a good reason not to. */ if (opt.allow_sha1 > 0) { crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1); mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test); mbedtls_ssl_conf_sig_hashes(&conf, ssl_sig_hashes_for_test); } #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ if (opt.auth_mode != DFL_AUTH_MODE) { mbedtls_ssl_conf_authmode(&conf, opt.auth_mode); } if (opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST) { mbedtls_ssl_conf_cert_req_ca_list(&conf, opt.cert_req_ca_list); } #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) { mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max); } if (opt.dgram_packing != DFL_DGRAM_PACKING) { mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing); } #endif /* MBEDTLS_SSL_PROTO_DTLS */ #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret); goto exit; } #endif #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) { if (opt.cid_enabled == 1 && opt.cid_enabled_renego == 1 && cid_len != cid_renego_len) { mbedtls_printf("CID length must not change during renegotiation\n"); goto usage; } if (opt.cid_enabled == 1) { ret = mbedtls_ssl_conf_cid(&conf, cid_len, MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); } else { ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len, MBEDTLS_SSL_UNEXPECTED_CID_IGNORE); } if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n", (unsigned int) -ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_DTLS_SRTP) const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET }; if (opt.use_srtp == 1) { if (opt.force_srtp_profile != 0) { ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile); } else { ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles); } if (ret != 0) { mbedtls_printf( " failed\n ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", ret); goto exit; } mbedtls_ssl_conf_srtp_mki_value_supported(&conf, opt.support_mki ? MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED : MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED); } else if (opt.force_srtp_profile != 0) { mbedtls_printf(" failed\n ! must enable use_srtp to force srtp profile\n\n"); goto exit; } #endif /* MBEDTLS_SSL_DTLS_SRTP */ #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) if (opt.trunc_hmac != DFL_TRUNC_HMAC) { mbedtls_ssl_conf_truncated_hmac(&conf, opt.trunc_hmac); } #endif #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) if (opt.extended_ms != DFL_EXTENDED_MS) { mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms); } #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) if (opt.etm != DFL_ETM) { mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm); } #endif #if defined(MBEDTLS_SSL_EXPORT_KEYS) if (opt.eap_tls != 0) { mbedtls_ssl_conf_export_keys_ext_cb(&conf, eap_tls_key_derivation, &eap_tls_keying); } else if (opt.nss_keylog != 0) { mbedtls_ssl_conf_export_keys_ext_cb(&conf, nss_keylog_export, NULL); } #if defined(MBEDTLS_SSL_DTLS_SRTP) else if (opt.use_srtp != 0) { mbedtls_ssl_conf_export_keys_ext_cb(&conf, dtls_srtp_key_derivation, &dtls_srtp_keying); } #endif /* MBEDTLS_SSL_DTLS_SRTP */ #endif /* MBEDTLS_SSL_EXPORT_KEYS */ #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret); goto exit; } } #endif if (opt.reproducible) { #if defined(MBEDTLS_HAVE_TIME) #if defined(MBEDTLS_PLATFORM_TIME_ALT) mbedtls_platform_set_time(dummy_constant_time); #else fprintf(stderr, "Warning: reproducible option used without constant time\n"); #endif #endif /* MBEDTLS_HAVE_TIME */ } mbedtls_ssl_conf_rng(&conf, rng_get, &rng); mbedtls_ssl_conf_dbg(&conf, my_debug, stdout); #if defined(MBEDTLS_SSL_CACHE_C) if (opt.cache_max != -1) { mbedtls_ssl_cache_set_max_entries(&cache, opt.cache_max); } #if defined(MBEDTLS_HAVE_TIME) if (opt.cache_timeout != -1) { mbedtls_ssl_cache_set_timeout(&cache, opt.cache_timeout); } #endif mbedtls_ssl_conf_session_cache(&conf, &cache, mbedtls_ssl_cache_get, mbedtls_ssl_cache_set); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) if (opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED) { if ((ret = mbedtls_ssl_ticket_setup(&ticket_ctx, rng_get, &rng, MBEDTLS_CIPHER_AES_256_GCM, opt.ticket_timeout)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_ticket_setup returned %d\n\n", ret); goto exit; } mbedtls_ssl_conf_session_tickets_cb(&conf, mbedtls_ssl_ticket_write, mbedtls_ssl_ticket_parse, &ticket_ctx); } #endif #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { #if defined(MBEDTLS_SSL_COOKIE_C) if (opt.cookies > 0) { if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx, rng_get, &rng)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret); goto exit; } mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check, &cookie_ctx); } else #endif /* MBEDTLS_SSL_COOKIE_C */ #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) if (opt.cookies == 0) { mbedtls_ssl_conf_dtls_cookies(&conf, NULL, NULL, NULL); } else #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */ { ; /* Nothing to do */ } #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY) if (opt.anti_replay != DFL_ANTI_REPLAY) { mbedtls_ssl_conf_dtls_anti_replay(&conf, opt.anti_replay); } #endif #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) if (opt.badmac_limit != DFL_BADMAC_LIMIT) { mbedtls_ssl_conf_dtls_badmac_limit(&conf, opt.badmac_limit); } #endif } #endif /* MBEDTLS_SSL_PROTO_DTLS */ if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) { mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite); } #if defined(MBEDTLS_ARC4_C) if (opt.arc4 != DFL_ARC4) { mbedtls_ssl_conf_arc4_support(&conf, opt.arc4); } #endif if (opt.version_suites != NULL) { mbedtls_ssl_conf_ciphersuites_for_version(&conf, version_suites[0], MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_0); mbedtls_ssl_conf_ciphersuites_for_version(&conf, version_suites[1], MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1); mbedtls_ssl_conf_ciphersuites_for_version(&conf, version_suites[2], MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_2); mbedtls_ssl_conf_ciphersuites_for_version(&conf, version_suites[3], MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3); } if (opt.allow_legacy != DFL_ALLOW_LEGACY) { mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy); } #if defined(MBEDTLS_SSL_RENEGOTIATION) mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation); if (opt.renego_delay != DFL_RENEGO_DELAY) { mbedtls_ssl_conf_renegotiation_enforced(&conf, opt.renego_delay); } if (opt.renego_period != DFL_RENEGO_PERIOD) { PUT_UINT64_BE(renego_period, opt.renego_period, 0); mbedtls_ssl_conf_renegotiation_period(&conf, renego_period); } #endif #if defined(MBEDTLS_KEY_EXCHANGE_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 (key_cert_init) { mbedtls_pk_context *pk = &pkey; #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (opt.async_private_delay1 >= 0) { ret = ssl_async_set_key(&ssl_async_keys, &srvcert, pk, 0, opt.async_private_delay1); if (ret < 0) { mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n", ret); goto exit; } pk = NULL; } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, pk)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret); goto exit; } } if (key_cert_init2) { mbedtls_pk_context *pk = &pkey2; #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (opt.async_private_delay2 >= 0) { ret = ssl_async_set_key(&ssl_async_keys, &srvcert2, pk, 0, opt.async_private_delay2); if (ret < 0) { mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n", ret); goto exit; } pk = NULL; } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert2, pk)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret); goto exit; } } #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (opt.async_operations[0] != '-') { mbedtls_ssl_async_sign_t *sign = NULL; mbedtls_ssl_async_decrypt_t *decrypt = NULL; const char *r; for (r = opt.async_operations; *r; r++) { switch (*r) { case 'd': decrypt = ssl_async_decrypt; break; case 's': sign = ssl_async_sign; break; } } ssl_async_keys.inject_error = (opt.async_private_error < 0 ? -opt.async_private_error : opt.async_private_error); ssl_async_keys.f_rng = rng_get; ssl_async_keys.p_rng = &rng; mbedtls_ssl_conf_async_private_cb(&conf, sign, decrypt, ssl_async_resume, ssl_async_cancel, &ssl_async_keys); } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #if defined(SNI_OPTION) if (opt.sni != NULL) { mbedtls_ssl_conf_sni(&conf, sni_callback, sni_info); #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (opt.async_private_delay2 >= 0) { sni_entry *cur; for (cur = sni_info; cur != NULL; cur = cur->next) { ret = ssl_async_set_key(&ssl_async_keys, cur->cert, cur->key, 1, opt.async_private_delay2); if (ret < 0) { mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n", ret); goto exit; } cur->key = NULL; } } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ } #endif #if defined(MBEDTLS_ECP_C) if (opt.curves != NULL && strcmp(opt.curves, "default") != 0) { mbedtls_ssl_conf_curves(&conf, curve_list); } #endif #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) if (strlen(opt.psk) != 0 && strlen(opt.psk_identity) != 0) { #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { /* The algorithm has already been determined earlier. */ status = psa_setup_psk_key_slot(&psk_slot, alg, psk, psk_len); if (status != PSA_SUCCESS) { fprintf(stderr, "SETUP FAIL\n"); ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; goto exit; } if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, psk_slot, (const unsigned char *) opt.psk_identity, strlen(opt.psk_identity))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n", ret); goto exit; } } else #endif /* MBEDTLS_USE_PSA_CRYPTO */ if (psk_len > 0) { ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len, (const unsigned char *) opt.psk_identity, strlen(opt.psk_identity)); if (ret != 0) { mbedtls_printf(" failed\n mbedtls_ssl_conf_psk returned -0x%04X\n\n", (unsigned int) -ret); goto exit; } } } if (opt.psk_list != NULL) { #if defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_list_opaque != 0) { psk_entry *cur_psk; for (cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next) { status = psa_setup_psk_key_slot(&cur_psk->slot, alg, cur_psk->key, cur_psk->key_len); if (status != PSA_SUCCESS) { ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED; goto exit; } } } #endif /* MBEDTLS_USE_PSA_CRYPTO */ mbedtls_ssl_conf_psk_cb(&conf, psk_callback, psk_info); } #endif #if defined(MBEDTLS_DHM_C) /* * Use different group than default DHM group */ #if defined(MBEDTLS_FS_IO) if (opt.dhm_file != NULL) { ret = mbedtls_ssl_conf_dh_param_ctx(&conf, &dhm); } #endif if (ret != 0) { mbedtls_printf(" failed\n mbedtls_ssl_conf_dh_param returned -0x%04X\n\n", (unsigned int) -ret); goto exit; } #endif if (opt.min_version != DFL_MIN_VERSION) { mbedtls_ssl_conf_min_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.min_version); } if (opt.max_version != DFL_MIN_VERSION) { mbedtls_ssl_conf_max_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version); } if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret); goto exit; } io_ctx.ssl = &ssl; io_ctx.net = &client_fd; mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb, opt.nbio == 0 ? recv_timeout_cb : NULL); #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled, cid, cid_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.dtls_mtu != DFL_DTLS_MTU) { mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu); } #endif #if defined(MBEDTLS_TIMING_C) mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay); #endif mbedtls_printf(" ok\n"); reset: #if !defined(_WIN32) if (received_sigterm) { mbedtls_printf(" interrupted by SIGTERM (not in net_accept())\n"); if (ret == MBEDTLS_ERR_NET_INVALID_CONTEXT) { ret = 0; } goto exit; } #endif if (ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT) { mbedtls_printf(" ! Client initiated reconnection from same port\n"); goto handshake; } #ifdef MBEDTLS_ERROR_C if (ret != 0) { char error_buf[100]; mbedtls_strerror(ret, error_buf, 100); mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf); } #endif mbedtls_net_free(&client_fd); mbedtls_ssl_session_reset(&ssl); /* * 3. Wait until a client connects */ mbedtls_printf(" . Waiting for a remote connection ..."); fflush(stdout); if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, client_ip, sizeof(client_ip), &cliip_len)) != 0) { #if !defined(_WIN32) if (received_sigterm) { mbedtls_printf(" interrupted by SIGTERM (in net_accept())\n"); if (ret == MBEDTLS_ERR_NET_ACCEPT_FAILED) { ret = 0; } goto exit; } #endif mbedtls_printf(" failed\n ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret); goto exit; } if (opt.nbio > 0) { ret = mbedtls_net_set_nonblock(&client_fd); } else { ret = mbedtls_net_set_block(&client_fd); } if (ret != 0) { mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout); #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY) if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { if ((ret = mbedtls_ssl_set_client_transport_id(&ssl, client_ip, cliip_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */ #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) if (opt.ecjpake_pw != DFL_ECJPAKE_PW) { if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl, (const unsigned char *) opt.ecjpake_pw, strlen(opt.ecjpake_pw))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret); goto exit; } } #endif /* * 4. Handshake */ handshake: mbedtls_printf(" . Performing the SSL/TLS handshake..."); fflush(stdout); while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) { #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS && ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL) { mbedtls_printf(" cancelling on injected error\n"); break; } #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */ if (!mbedtls_status_is_ssl_in_progress(ret)) { break; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) ret = idle(&client_fd, &timer, ret); #else ret = idle(&client_fd, ret); #endif if (ret != 0) { goto reset; } } } if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) { mbedtls_printf(" hello verification requested\n"); ret = 0; goto reset; } else if (ret != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret); #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) { char vrfy_buf[512]; flags = mbedtls_ssl_get_verify_result(&ssl); mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags); mbedtls_printf("%s\n", vrfy_buf); } #endif #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) if (opt.async_private_error < 0) { /* Injected error only the first time round, to test reset */ ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE; } #endif goto reset; } else { /* ret == 0 */ mbedtls_printf(" ok\n [ Protocol is %s ]\n [ Ciphersuite is %s ]\n", mbedtls_ssl_get_version(&ssl), mbedtls_ssl_get_ciphersuite(&ssl)); } if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) { mbedtls_printf(" [ Record expansion is %d ]\n", ret); } else { mbedtls_printf(" [ Record expansion is unknown (compression) ]\n"); } #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) mbedtls_printf(" [ Maximum input fragment length is %u ]\n", (unsigned int) mbedtls_ssl_get_input_max_frag_len(&ssl)); mbedtls_printf(" [ Maximum output fragment length is %u ]\n", (unsigned int) mbedtls_ssl_get_output_max_frag_len(&ssl)); #endif #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) { const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl); mbedtls_printf(" [ Application Layer Protocol is %s ]\n", alp ? alp : "(none)"); } #endif #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) /* * 5. Verify the client certificate */ mbedtls_printf(" . Verifying peer X.509 certificate..."); if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) { char vrfy_buf[512]; mbedtls_printf(" failed\n"); mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags); mbedtls_printf("%s\n", vrfy_buf); } else { mbedtls_printf(" ok\n"); } if (mbedtls_ssl_get_peer_cert(&ssl) != NULL) { char crt_buf[512]; mbedtls_printf(" . Peer certificate information ...\n"); mbedtls_x509_crt_info(crt_buf, sizeof(crt_buf), " ", mbedtls_ssl_get_peer_cert(&ssl)); mbedtls_printf("%s\n", crt_buf); } #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */ #if defined(MBEDTLS_SSL_EXPORT_KEYS) if (opt.eap_tls != 0) { size_t j = 0; if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, eap_tls_keying.master_secret, sizeof(eap_tls_keying.master_secret), eap_tls_label, eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes), eap_tls_keymaterial, sizeof(eap_tls_keymaterial))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto reset; } mbedtls_printf(" EAP-TLS key material is:"); for (j = 0; j < sizeof(eap_tls_keymaterial); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", eap_tls_keymaterial[j]); } mbedtls_printf("\n"); if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0, eap_tls_label, eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes), eap_tls_iv, sizeof(eap_tls_iv))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto reset; } mbedtls_printf(" EAP-TLS IV is:"); for (j = 0; j < sizeof(eap_tls_iv); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", eap_tls_iv[j]); } mbedtls_printf("\n"); } #if defined(MBEDTLS_SSL_DTLS_SRTP) else if (opt.use_srtp != 0) { size_t j = 0; mbedtls_dtls_srtp_info dtls_srtp_negotiation_result; mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result); if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile == MBEDTLS_TLS_SRTP_UNSET) { mbedtls_printf(" Unable to negotiate " "the use of DTLS-SRTP\n"); } else { if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type, dtls_srtp_keying.master_secret, sizeof(dtls_srtp_keying.master_secret), dtls_srtp_label, dtls_srtp_keying.randbytes, sizeof(dtls_srtp_keying.randbytes), dtls_srtp_key_material, sizeof(dtls_srtp_key_material))) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" DTLS-SRTP key material is:"); for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { if (j % 8 == 0) { mbedtls_printf("\n "); } mbedtls_printf("%02x ", dtls_srtp_key_material[j]); } mbedtls_printf("\n"); /* produce a less readable output used to perform automatic checks * - compare client and server output * - interop test with openssl which client produces this kind of output */ mbedtls_printf(" Keying material: "); for (j = 0; j < sizeof(dtls_srtp_key_material); j++) { mbedtls_printf("%02X", dtls_srtp_key_material[j]); } mbedtls_printf("\n"); if (dtls_srtp_negotiation_result.mki_len > 0) { mbedtls_printf(" DTLS-SRTP mki value: "); for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) { mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]); } } else { mbedtls_printf(" DTLS-SRTP no mki value negotiated"); } mbedtls_printf("\n"); } } #endif /* MBEDTLS_SSL_DTLS_SRTP */ #endif /* MBEDTLS_SSL_EXPORT_KEYS */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) ret = report_cid_usage(&ssl, "initial handshake"); if (ret != 0) { goto exit; } if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) { if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego, cid_renego, cid_renego_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n", ret); goto exit; } } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ #if defined(MBEDTLS_MEMORY_DEBUG) mbedtls_memory_buffer_alloc_cur_get(¤t_heap_memory, &heap_blocks); mbedtls_memory_buffer_alloc_max_get(&peak_heap_memory, &heap_blocks); mbedtls_printf("Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n", (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory); #endif /* MBEDTLS_MEMORY_DEBUG */ if (opt.exchanges == 0) { goto close_notify; } exchanges_left = opt.exchanges; data_exchange: /* * 6. Read the HTTP Request */ mbedtls_printf(" < Read from client:"); fflush(stdout); /* * TLS and DTLS need different reading styles (stream vs datagram) */ if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { do { int terminated = 0; len = opt.buffer_size; memset(buf, 0, opt.buffer_size); ret = mbedtls_ssl_read(&ssl, buf, len); if (mbedtls_status_is_ssl_in_progress(ret)) { if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&client_fd, &timer, ret); #else idle(&client_fd, ret); #endif } continue; } if (ret <= 0) { switch (ret) { case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); goto close_notify; case 0: case MBEDTLS_ERR_NET_CONN_RESET: mbedtls_printf(" connection was reset by peer\n"); ret = MBEDTLS_ERR_NET_CONN_RESET; goto reset; default: mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret); goto reset; } } if (mbedtls_ssl_get_bytes_avail(&ssl) == 0) { len = ret; buf[len] = '\0'; mbedtls_printf(" %d bytes read\n\n%s\n", len, (char *) buf); /* End of message should be detected according to the syntax of the * application protocol (eg HTTP), just use a dummy test here. */ if (buf[len - 1] == '\n') { terminated = 1; } } else { int extra_len, ori_len; unsigned char *larger_buf; ori_len = ret; extra_len = (int) mbedtls_ssl_get_bytes_avail(&ssl); larger_buf = mbedtls_calloc(1, ori_len + extra_len + 1); if (larger_buf == NULL) { mbedtls_printf(" ! memory allocation failed\n"); ret = 1; goto reset; } memset(larger_buf, 0, ori_len + extra_len); memcpy(larger_buf, buf, ori_len); /* This read should never fail and get the whole cached data */ ret = mbedtls_ssl_read(&ssl, larger_buf + ori_len, extra_len); if (ret != extra_len || mbedtls_ssl_get_bytes_avail(&ssl) != 0) { mbedtls_printf(" ! mbedtls_ssl_read failed on cached data\n"); ret = 1; goto reset; } larger_buf[ori_len + extra_len] = '\0'; mbedtls_printf(" %d bytes read (%d + %d)\n\n%s\n", ori_len + extra_len, ori_len, extra_len, (char *) larger_buf); /* End of message should be detected according to the syntax of the * application protocol (eg HTTP), just use a dummy test here. */ if (larger_buf[ori_len + extra_len - 1] == '\n') { terminated = 1; } mbedtls_free(larger_buf); } if (terminated) { ret = 0; break; } } while (1); } else { /* Not stream, so datagram */ len = opt.buffer_size; memset(buf, 0, opt.buffer_size); do { /* Without the call to `mbedtls_ssl_check_pending`, it might * happen that the client sends application data in the same * datagram as the Finished message concluding the handshake. * In this case, the application data would be ready to be * processed while the underlying transport wouldn't signal * any further incoming data. * * See the test 'Event-driven I/O: session-id resume, UDP packing' * in tests/ssl-opt.sh. */ /* For event-driven IO, wait for socket to become available */ if (mbedtls_ssl_check_pending(&ssl) == 0 && opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ); #else idle(&client_fd, MBEDTLS_ERR_SSL_WANT_READ); #endif } ret = mbedtls_ssl_read(&ssl, buf, len); /* Note that even if `mbedtls_ssl_check_pending` returns true, * it can happen that the subsequent call to `mbedtls_ssl_read` * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages * might be discarded (e.g. because they are retransmissions). */ } while (mbedtls_status_is_ssl_in_progress(ret)); if (ret <= 0) { switch (ret) { case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); goto close_notify; default: mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret); goto reset; } } len = ret; buf[len] = '\0'; mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf); ret = 0; } /* * 7a. Request renegotiation while client is waiting for input from us. * (only on the first exchange, to be able to test retransmission) */ #if defined(MBEDTLS_SSL_RENEGOTIATION) if (opt.renegotiate && exchanges_left == opt.exchanges) { mbedtls_printf(" . Requestion renegotiation..."); fflush(stdout); while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) { if (!mbedtls_status_is_ssl_in_progress(ret)) { mbedtls_printf(" failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret); goto reset; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&client_fd, &timer, ret); #else idle(&client_fd, ret); #endif } } mbedtls_printf(" ok\n"); } #endif /* MBEDTLS_SSL_RENEGOTIATION */ #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) ret = report_cid_usage(&ssl, "after renegotiation"); if (ret != 0) { goto exit; } #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ /* * 7. Write the 200 Response */ mbedtls_printf(" > Write to client:"); fflush(stdout); /* If the format of the response changes, make sure there is enough * room in buf (buf_content_size calculation above). */ len = sprintf((char *) buf, HTTP_RESPONSE, mbedtls_ssl_get_ciphersuite(&ssl)); /* Add padding to the response to reach opt.response_size in length */ if (opt.response_size != DFL_RESPONSE_SIZE && len < opt.response_size) { memset(buf + len, 'B', opt.response_size - len); len += opt.response_size - len; } /* Truncate if response size is smaller than the "natural" size */ if (opt.response_size != DFL_RESPONSE_SIZE && len > opt.response_size) { len = opt.response_size; /* Still end with \r\n unless that's really not possible */ if (len >= 2) { buf[len - 2] = '\r'; } if (len >= 1) { buf[len - 1] = '\n'; } } if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) { for (written = 0, frags = 0; written < len; written += ret, frags++) { while ((ret = mbedtls_ssl_write(&ssl, buf + written, len - written)) <= 0) { if (ret == MBEDTLS_ERR_NET_CONN_RESET) { mbedtls_printf(" failed\n ! peer closed the connection\n\n"); goto reset; } if (!mbedtls_status_is_ssl_in_progress(ret)) { mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret); goto reset; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&client_fd, &timer, ret); #else idle(&client_fd, ret); #endif } } } } else { /* Not stream, so datagram */ while (1) { ret = mbedtls_ssl_write(&ssl, buf, len); if (!mbedtls_status_is_ssl_in_progress(ret)) { break; } /* For event-driven IO, wait for socket to become available */ if (opt.event == 1 /* level triggered IO */) { #if defined(MBEDTLS_TIMING_C) idle(&client_fd, &timer, ret); #else idle(&client_fd, ret); #endif } } if (ret < 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret); goto reset; } frags = 1; written = ret; } buf[written] = '\0'; mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf); ret = 0; /* * 7b. Simulate serialize/deserialize and go back to data exchange */ #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION) if (opt.serialize != 0) { size_t buf_len; mbedtls_printf(" . Serializing live connection..."); ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len); if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) { mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) { mbedtls_printf(" failed\n ! Couldn't allocate buffer for " "serialized context"); goto exit; } context_buf_len = buf_len; if ((ret = mbedtls_ssl_context_save(&ssl, context_buf, buf_len, &buf_len)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_printf(" ok\n"); /* Save serialized context to the 'opt.context_file' as a base64 code */ if (0 < strlen(opt.context_file)) { FILE *b64_file; uint8_t *b64_buf; size_t b64_len; mbedtls_printf(" . Save serialized context to a file... "); mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len); if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) { mbedtls_printf("failed\n ! Couldn't allocate buffer for " "the base64 code\n"); goto exit; } if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len, context_buf, buf_len)) != 0) { mbedtls_printf("failed\n ! mbedtls_base64_encode returned " "-0x%x\n", (unsigned int) -ret); mbedtls_free(b64_buf); goto exit; } if ((b64_file = fopen(opt.context_file, "w")) == NULL) { mbedtls_printf("failed\n ! Cannot open '%s' for writing.\n", opt.context_file); mbedtls_free(b64_buf); goto exit; } if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) { mbedtls_printf("failed\n ! fwrite(%ld bytes) failed\n", (long) b64_len); mbedtls_free(b64_buf); fclose(b64_file); goto exit; } mbedtls_free(b64_buf); fclose(b64_file); mbedtls_printf("ok\n"); } /* * This simulates a workflow where you have a long-lived server * instance, potentially with a pool of ssl_context objects, and you * just want to re-use one while the connection is inactive: in that * case you can just reset() it, and then it's ready to receive * serialized data from another connection (or the same here). */ if (opt.serialize == 1) { /* nothing to do here, done by context_save() already */ mbedtls_printf(" . Context has been reset... ok\n"); } /* * This simulates a workflow where you have one server instance per * connection, and want to release it entire when the connection is * inactive, and spawn it again when needed again - this would happen * between ssl_free() and ssl_init() below, together with any other * teardown/startup code needed - for example, preparing the * ssl_config again (see section 3 "setup stuff" in this file). */ if (opt.serialize == 2) { mbedtls_printf(" . Freeing and reinitializing context..."); mbedtls_ssl_free(&ssl); mbedtls_ssl_init(&ssl); if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) { mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } /* * This illustrates the minimum amount of things you need to set * up, however you could set up much more if desired, for example * if you want to share your set up code between the case of * establishing a new connection and this case. */ if (opt.nbio == 2) { mbedtls_ssl_set_bio(&ssl, &client_fd, delayed_send, delayed_recv, NULL); } else { mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL); } #if defined(MBEDTLS_TIMING_C) mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay); #endif /* MBEDTLS_TIMING_C */ mbedtls_printf(" ok\n"); } mbedtls_printf(" . Deserializing connection..."); if ((ret = mbedtls_ssl_context_load(&ssl, context_buf, buf_len)) != 0) { mbedtls_printf("failed\n ! mbedtls_ssl_context_load returned " "-0x%x\n\n", (unsigned int) -ret); goto exit; } mbedtls_free(context_buf); context_buf = NULL; context_buf_len = 0; mbedtls_printf(" ok\n"); } #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */ /* * 7c. Continue doing data exchanges? */ if (--exchanges_left > 0) { goto data_exchange; } /* * 8. Done, cleanly close the connection */ close_notify: mbedtls_printf(" . Closing the connection..."); /* No error checking, the connection might be closed already */ do { ret = mbedtls_ssl_close_notify(&ssl); } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE); ret = 0; mbedtls_printf(" done\n"); goto reset; /* * Cleanup and exit */ exit: #ifdef MBEDTLS_ERROR_C if (ret != 0) { char error_buf[100]; mbedtls_strerror(ret, error_buf, 100); mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf); } #endif if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { mbedtls_printf(" . Cleaning up..."); fflush(stdout); } mbedtls_net_free(&client_fd); mbedtls_net_free(&listen_fd); mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); #if defined(MBEDTLS_SSL_CACHE_C) mbedtls_ssl_cache_free(&cache); #endif #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) mbedtls_ssl_ticket_free(&ticket_ctx); #endif #if defined(MBEDTLS_SSL_COOKIE_C) mbedtls_ssl_cookie_free(&cookie_ctx); #endif #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(SNI_OPTION) sni_free(sni_info); #endif #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) ret = psk_free(psk_info); if ((ret != 0) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) { mbedtls_printf("Failed to list of opaque PSKs - error was %d\n", ret); } #endif #if defined(MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED) mbedtls_x509_crt_free(&cacert); mbedtls_x509_crt_free(&srvcert); mbedtls_pk_free(&pkey); mbedtls_x509_crt_free(&srvcert2); mbedtls_pk_free(&pkey2); #if defined(MBEDTLS_USE_PSA_CRYPTO) psa_destroy_key(key_slot); psa_destroy_key(key_slot2); #endif #endif #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO) mbedtls_dhm_free(&dhm); #endif #if defined(MBEDTLS_SSL_ASYNC_PRIVATE) for (i = 0; (size_t) i < ssl_async_keys.slots_used; i++) { if (ssl_async_keys.slots[i].pk_owned) { mbedtls_pk_free(ssl_async_keys.slots[i].pk); mbedtls_free(ssl_async_keys.slots[i].pk); ssl_async_keys.slots[i].pk = NULL; } } #endif #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \ defined(MBEDTLS_USE_PSA_CRYPTO) if (opt.psk_opaque != 0) { /* This is ok even if the slot hasn't been * initialized (we might have jumed here * immediately because of bad cmd line params, * for example). */ status = psa_destroy_key(psk_slot); if ((status != PSA_SUCCESS) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) { mbedtls_printf("Failed to destroy key slot %u - error was %d", (unsigned) psk_slot, (int) status); } } #endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED && MBEDTLS_USE_PSA_CRYPTO */ #if defined(MBEDTLS_USE_PSA_CRYPTO) 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 /* 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_TEST_USE_PSA_CRYPTO_RNG) mbedtls_psa_crypto_free(); #endif rng_free(&rng); mbedtls_free(buf); #if defined(MBEDTLS_TEST_HOOKS) /* Let test hooks detect errors such as resource leaks. * Don't do it in query_config mode, because some test code prints * information to stdout and this gets mixed with the regular output. */ if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { if (test_hooks_failure_detected()) { if (ret == 0) { ret = 1; } mbedtls_printf("Test hooks detected errors.\n"); } } test_hooks_free(); #endif /* MBEDTLS_TEST_HOOKS */ #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) #if defined(MBEDTLS_MEMORY_DEBUG) mbedtls_memory_buffer_alloc_status(); #endif mbedtls_memory_buffer_alloc_free(); #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */ if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { mbedtls_printf(" done.\n"); #if defined(_WIN32) mbedtls_printf(" + Press Enter to exit this program.\n"); fflush(stdout); getchar(); #endif } // Shell can not handle large exit numbers -> 1 for errors if (ret < 0) { ret = 1; } if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) { mbedtls_exit(ret); } else { mbedtls_exit(query_config_ret); } } #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */