/* * SSL client with certificate authentication * * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved * Copyright (C) 2018-2019, NXP, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * This file is part of mbed TLS (https://tls.mbed.org) */ /* clang-format off */ #if defined(SSS_USE_FTR_FILE) #include "fsl_sss_ftr.h" #else #include "fsl_sss_ftr_default.h" #endif #if !defined(MBEDTLS_CONFIG_FILE) #include "mbedtls/config.h" #else #include MBEDTLS_CONFIG_FILE #endif #if defined(MBEDTLS_PLATFORM_C) #include "mbedtls/platform.h" #else #include #include #define mbedtls_time time #define mbedtls_time_t time_t #define mbedtls_printf printf #define mbedtls_fprintf fprintf #define mbedtls_snprintf snprintf #endif #include #if !defined(MBEDTLS_ENTROPY_C) || \ !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \ !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_CTR_DRBG_C) int main(void) { mbedtls_printf("MBEDTLS_ENTROPY_C and/or " "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or " "MBEDTLS_NET_C and/or MBEDTLS_CTR_DRBG_C and/or not defined.\n"); return (0); } #else #include "mbedtls/certs.h" #include "mbedtls/ctr_drbg.h" #include "mbedtls/debug.h" #include "mbedtls/entropy.h" #include "mbedtls/error.h" #include "mbedtls/net_sockets.h" #include "mbedtls/ssl.h" #include "mbedtls/timing.h" #include "mbedtls/x509.h" #include #include #include /* +S */ #ifdef TGT_A71CH # include "sm_printf.h" #endif #if SSS_HAVE_ALT_SSS #include "sss_mbedtls.h" #if defined(MBEDTLS_ECDSA_VERIFY_ALT) #include "ecdsa_verify_alt.h" #endif #endif #include #include #include #if defined(SMCOM_JRCP_V2) && SSS_HAVE_SE05X_VER_GTE_06_00 #include "smCom.h" #include "smComJRCP.h" #include "sm_types.h" #endif static ex_sss_boot_ctx_t gex_sss_demo_boot_ctx; ex_sss_boot_ctx_t *pex_sss_demo_boot_ctx = &gex_sss_demo_boot_ctx; static ex_sss_cloud_ctx_t gex_sss_demo_tls_ctx; ex_sss_cloud_ctx_t *pex_sss_demo_tls_ctx = &gex_sss_demo_tls_ctx; #define EX_SSS_BOOT_PCONTEXT (&gex_sss_demo_boot_ctx) #define EX_SSS_BOOT_EXPOSE_ARGC_ARGV 1 #define EX_SSS_BOOT_DO_ERASE 0 #include #define SSS_PUBKEY_INDEX_CA 0x7DCCBB22 //(1u) #define SSS_KEYPAIR_INDEX_CLIENT_PRIVATE 0x20181001 //(2u) #define SSS_CERTIFICATE_INDEX 0x20181002 //(3u) /*The size of the client certificate should be checked when script is used to store it in GP storage and updated here */ #define SIZE_CLIENT_CERTIFICATE 2048 /* -S */ #define MAX_REQUEST_SIZE 20000 #define MAX_REQUEST_SIZE_STR "20000" #define DFL_SERVER_NAME "localhost" #define DFL_SERVER_ADDR NULL #define DFL_SERVER_PORT "4433" #define DFL_REQUEST_PAGE "/" #define DFL_REQUEST_SIZE -1 #define DFL_DEBUG_LEVEL 0 #define DFL_NBIO 0 #define DFL_EVENT 0 #define DFL_READ_TIMEOUT 0 #define DFL_MAX_RESEND 0 #define DFL_CA_FILE "" #define DFL_CA_PATH "" #define DFL_CRT_FILE "" #define DFL_KEY_FILE "" #define DFL_PSK "" #define DFL_PSK_IDENTITY "Client_identity" #define DFL_ECJPAKE_PW NULL #define DFL_FORCE_CIPHER 0 #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED #define DFL_ALLOW_LEGACY -2 #define DFL_RENEGOTIATE 0 #define DFL_EXCHANGES 1 #define DFL_MIN_VERSION -1 #define DFL_MAX_VERSION -1 #define DFL_ARC4 -1 #define DFL_SHA1 -1 #define DFL_AUTH_MODE -1 #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE #define DFL_TRUNC_HMAC -1 #define DFL_RECSPLIT -1 #define DFL_DHMLEN -1 #define DFL_RECONNECT 0 #define DFL_RECO_DELAY 0 #define DFL_RECONNECT_HARD 0 #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED #define DFL_ALPN_STRING NULL #define DFL_CURVES NULL #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM #define DFL_HS_TO_MIN 0 #define DFL_HS_TO_MAX 0 #define DFL_FALLBACK -1 #define DFL_EXTENDED_MS -1 #define DFL_ETM -1 #define DFL_CONNECT "" #define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: " #define GET_REQUEST_END "\r\n\r\n" #if defined(MBEDTLS_X509_CRT_PARSE_C) #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" \ " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \ " default: \"\" (pre-loaded) (overrides ca_file)\n" \ " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \ " default: \"\" (pre-loaded)\n" \ " key_file=%%s default: \"\" (pre-loaded)\n" \ #else #define USAGE_IO \ " No file operations available (MBEDTLS_FS_IO not defined)\n" #endif /* MBEDTLS_FS_IO */ #else #define USAGE_IO "" #endif /* MBEDTLS_X509_CRT_PARSE_C */ #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) #define USAGE_PSK \ " psk=%%s default: \"\" (in hex, without 0x)\n" \ " psk_identity=%%s default: \"Client_identity\"\n" #else #define USAGE_PSK "" #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */ #if defined(MBEDTLS_SSL_SESSION_TICKETS) #define USAGE_TICKETS \ " tickets=%%d default: 1 (enabled)\n" #else #define USAGE_TICKETS "" #endif /* MBEDTLS_SSL_SESSION_TICKETS */ #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) #define USAGE_TRUNC_HMAC \ " trunc_hmac=%%d default: library default\n" #else #define USAGE_TRUNC_HMAC "" #endif /* MBEDTLS_SSL_TRUNCATED_HMAC */ #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) #define USAGE_MAX_FRAG_LEN \ " max_frag_len=%%d default: 16384 (tls default)\n" \ " options: 512, 1024, 2048, 4096\n" #else #define USAGE_MAX_FRAG_LEN "" #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ #if defined(MBEDTLS_SSL_CBC_RECORD_SPLITTING) #define USAGE_RECSPLIT \ " recsplit=0/1 default: (library default: on)\n" #else #define USAGE_RECSPLIT #endif #if defined(MBEDTLS_DHM_C) #define USAGE_DHMLEN \ " dhmlen=%%d default: (library default: 1024 bits)\n" #else #define USAGE_DHMLEN #endif #if defined(MBEDTLS_SSL_ALPN) #define USAGE_ALPN \ " alpn=%%s default: \"\" (disabled)\n" \ " example: spdy/1,http/1.1\n" #else #define USAGE_ALPN "" #endif /* MBEDTLS_SSL_ALPN */ #if defined(MBEDTLS_ECP_C) #define USAGE_CURVES \ " curves=a,b,c,d default: \"default\" (library default)\n" \ " example: \"secp521r1,brainpoolP512r1\"\n" \ " - use \"none\" for empty list\n" \ " - see mbedtls_ecp_curve_list()\n" \ " for acceptable curve names\n" #else #define USAGE_CURVES "" #endif #if defined(MBEDTLS_SSL_PROTO_DTLS) #define USAGE_DTLS \ " dtls=%%d default: 0 (TLS)\n" \ " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \ " range of DTLS handshake timeouts in millisecs\n" #else #define USAGE_DTLS "" #endif #if defined(MBEDTLS_SSL_FALLBACK_SCSV) #define USAGE_FALLBACK \ " fallback=0/1 default: (library default: off)\n" #else #define USAGE_FALLBACK "" #endif #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET) #define USAGE_EMS \ " extended_ms=0/1 default: (library default: on)\n" #else #define USAGE_EMS "" #endif #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) #define USAGE_ETM \ " etm=0/1 default: (library default: on)\n" #else #define USAGE_ETM "" #endif #if defined(MBEDTLS_SSL_RENEGOTIATION) #define USAGE_RENEGO \ " renegotiation=%%d default: 0 (disabled)\n" \ " renegotiate=%%d default: 0 (disabled)\n" #else #define USAGE_RENEGO "" #endif #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) #define USAGE_ECJPAKE \ " ecjpake_pw=%%s default: none (disabled)\n" #else #define USAGE_ECJPAKE "" #endif #define USAGE \ "\n usage: ssl_client2 param=<>...\n" \ "\n acceptable parameters:\n" \ " server_name=%%s default: localhost\n" \ " server_addr=%%s default: given by name\n" \ " server_port=%%d default: 4433\n" \ " request_page=%%s default: \".\"\n" \ " request_size=%%d default: about 34 (basic request)\n" \ " (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n" \ " If 0, in the first exchange only an empty\n" \ " application data message is sent followed by\n" \ " a second non-empty message before attempting\n" \ " to read a response from the server\n" \ " debug_level=%%d default: 0 (disabled)\n" \ " nbio=%%d default: 0 (blocking I/O)\n" \ " options: 1 (non-blocking), 2 (added delays)\n" \ " event=%%d default: 0 (loop)\n" \ " options: 1 (level-triggered, implies nbio=1),\n" \ " read_timeout=%%d default: 0 ms (no timeout)\n" \ " max_resend=%%d default: 0 (no resend on timeout)\n" \ "\n" \ USAGE_DTLS \ "\n" \ " auth_mode=%%s default: (library default: none)\n" \ " options: none, optional, required\n" \ USAGE_IO \ "\n" \ USAGE_PSK \ USAGE_ECJPAKE \ "\n" \ " allow_legacy=%%d default: (library default: no)\n" \ USAGE_RENEGO \ " exchanges=%%d default: 1\n" \ " reconnect=%%d default: 0 (disabled)\n" \ " reco_delay=%%d default: 0 seconds\n" \ " reconnect_hard=%%d default: 0 (disabled)\n" \ USAGE_TICKETS \ USAGE_MAX_FRAG_LEN \ USAGE_TRUNC_HMAC \ USAGE_ALPN \ USAGE_FALLBACK \ USAGE_EMS \ USAGE_ETM \ USAGE_CURVES \ USAGE_RECSPLIT \ USAGE_DHMLEN \ "\n" \ " arc4=%%d default: (library default: 0)\n" \ " allow_sha1=%%d default: 0\n" \ " min_version=%%s default: (library default: tls1)\n" \ " max_version=%%s default: (library default: tls1_2)\n" \ " force_version=%%s default: \"\" (none)\n" \ " options: ssl3, tls1, tls1_1, tls1_2, dtls1, dtls1_2\n" \ "\n" \ " force_ciphersuite= default: all enabled\n" \ " acceptable ciphersuite names:\n" #define ALPN_LIST_SIZE 10 #define CURVE_LIST_SIZE 20 /* * global options */ struct options { const char *server_name; /* hostname of the server (client only) */ const char *server_addr; /* address of the server (client only) */ const char *server_port; /* port on which the ssl service runs */ int debug_level; /* level of debugging */ int nbio; /* should I/O be blocking? */ int event; /* loop or event-driven IO? level or edge triggered? */ uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */ int max_resend; /* DTLS times to resend on read timeout */ const char *request_page; /* page on server to request */ int request_size; /* pad request with header to requested size */ const char *ca_file; /* the file with the CA certificate(s) */ const char *ca_path; /* the path with the CA certificate(s) reside */ const char *crt_file; /* the file with the client certificate */ const char *key_file; /* the file with the client key */ const char *psk; /* the pre-shared key */ const char *psk_identity; /* the pre-shared key identity */ const char *ecjpake_pw; /* the EC J-PAKE password */ int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */ int renegotiation; /* enable / disable renegotiation */ int allow_legacy; /* allow legacy renegotiation */ int renegotiate; /* attempt renegotiation? */ int renego_delay; /* delay before enforcing renegotiation */ int exchanges; /* number of data exchanges */ int min_version; /* minimum protocol version accepted */ int max_version; /* maximum protocol version accepted */ int arc4; /* flag for arc4 suites support */ int allow_sha1; /* flag for SHA-1 support */ int auth_mode; /* verify mode for connection */ unsigned char mfl_code; /* code for maximum fragment length */ int trunc_hmac; /* negotiate truncated hmac or not */ int recsplit; /* enable record splitting? */ int dhmlen; /* minimum DHM params len in bits */ int reconnect; /* attempt to resume session */ int reco_delay; /* delay in seconds before resuming session */ int reconnect_hard; /* unexpectedly reconnect from the same port */ int tickets; /* enable / disable session tickets */ const char *curves; /* list of supported elliptic curves */ const char *alpn_string; /* ALPN supported protocols */ int transport; /* TLS or DTLS? */ uint32_t hs_to_min; /* Initial value of DTLS handshake timer */ uint32_t hs_to_max; /* Max value of DTLS handshake timer */ int fallback; /* is this a fallback connection? */ int extended_ms; /* negotiate extended master secret? */ int etm; /* negotiate encrypt then mac? */ } opt; static void my_debug( void *ctx, int level, const char *file, int line, const char *str ) { const char *p, *basename; /* Extract basename from file */ for (p = basename = file; *p != '\0'; p++) if (*p == '/' || *p == '\\') basename = p + 1; mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s", basename, line, level, str ); fflush((FILE *)ctx); } /* * Test recv/send functions that make sure each try returns * WANT_READ/WANT_WRITE at least once before sucesseding */ static int my_recv(void *ctx, unsigned char *buf, size_t len) { static int first_try = 1; int ret; if( first_try ) { first_try = 0; return (MBEDTLS_ERR_SSL_WANT_READ); } ret = mbedtls_net_recv(ctx, buf, len); if (ret != MBEDTLS_ERR_SSL_WANT_READ) first_try = 1; /* Next call will be a new operation */ return (ret); } #ifdef _MSC_VER #pragma warning( disable: 4127) #endif static int my_send(void *ctx, const unsigned char *buf, size_t len) { static int first_try = 1; int ret; if( first_try ) { first_try = 0; return (MBEDTLS_ERR_SSL_WANT_WRITE); } ret = mbedtls_net_send(ctx, buf, len); if (ret != MBEDTLS_ERR_SSL_WANT_WRITE) first_try = 1; /* Next call will be a new operation */ return (ret); } #if defined(MBEDTLS_X509_CRT_PARSE_C) /* * Enabled if debug_level > 1 in code below */ static int my_verify( void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags ) { char buf[1024]; ((void)data); mbedtls_printf("\nVerify requested for (Depth %d):\n", depth); mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt); mbedtls_printf("%s", buf); if ((*flags) == 0) mbedtls_printf(" This certificate has no flags\n"); else { mbedtls_x509_crt_verify_info(buf, sizeof(buf), " ! ", *flags); mbedtls_printf("%s\n", buf); } return (0); } static int ssl_sig_hashes_for_test[] = { #if defined(MBEDTLS_SHA512_C) MBEDTLS_MD_SHA512, MBEDTLS_MD_SHA384, #endif #if defined(MBEDTLS_SHA256_C) MBEDTLS_MD_SHA256, MBEDTLS_MD_SHA224, #endif #if defined(MBEDTLS_SHA1_C) /* Allow SHA-1 as we use it extensively in tests. */ MBEDTLS_MD_SHA1, #endif MBEDTLS_MD_NONE }; #endif /* MBEDTLS_X509_CRT_PARSE_C */ /* * Wait for an event from the underlying transport or the timer * (Used in event-driven IO mode). */ #if !defined(MBEDTLS_TIMING_C) int idle( mbedtls_net_context *fd, int idle_reason ) #else int idle( mbedtls_net_context *fd, mbedtls_timing_delay_context *timer, int idle_reason ) #endif { int ret; int poll_type = 0; if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE ) poll_type = MBEDTLS_NET_POLL_WRITE; else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ ) poll_type = MBEDTLS_NET_POLL_READ; #if !defined(MBEDTLS_TIMING_C) else return( 0 ); #endif while( 1 ) { /* Check if timer has expired */ #if defined(MBEDTLS_TIMING_C) if( timer != NULL && mbedtls_timing_get_delay( timer ) == 2 ) { break; } #endif /* MBEDTLS_TIMING_C */ /* Check if underlying transport became available */ if( poll_type != 0 ) { ret = mbedtls_net_poll( fd, poll_type, 0 ); if( ret < 0 ) return( ret ); if( ret == poll_type ) break; } } return( 0 ); } sss_status_t ex_sss_entry(ex_sss_boot_ctx_t *pCtx) { int ret = 0, len, tail_len, i, written, frags, retry_left; bool useKeysFromSM = true; int client_certificate_loaded = 0; sss_status_t ret_code; uint8_t aclient_cer[SIZE_CLIENT_CERTIFICATE] = {0}; mbedtls_net_context server_fd; unsigned char buf[MAX_REQUEST_SIZE + 1]; #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) unsigned char psk[MBEDTLS_PSK_MAX_LEN]; size_t psk_len = 0; #endif #if defined(MBEDTLS_SSL_ALPN) const char *alpn_list[ALPN_LIST_SIZE]; #endif #if defined(MBEDTLS_ECP_C) mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE]; const mbedtls_ecp_curve_info *curve_cur; #endif const char *pers = "ssl_client2"; #if defined(MBEDTLS_X509_CRT_PARSE_C) mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default; #endif mbedtls_entropy_context entropy; mbedtls_ctr_drbg_context ctr_drbg; mbedtls_ssl_context ssl; mbedtls_ssl_config conf; mbedtls_ssl_session saved_session; #if defined(MBEDTLS_TIMING_C) mbedtls_timing_delay_context timer; #endif #if defined(MBEDTLS_X509_CRT_PARSE_C) uint32_t flags; mbedtls_x509_crt cacert; mbedtls_x509_crt clicert; mbedtls_pk_context pkey; #endif char *p, *q; const int *list; #if !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* Set public key is causing NVM writes */ #if defined(SMCOM_JRCP_V2) && SSS_HAVE_SE05X_VER_GTE_06_00 uint32_t start_nvmCount = 0; uint32_t end_nvmCount = 0; #endif #endif /* * Make sure memory references are valid. */ mbedtls_net_init( &server_fd ); mbedtls_ssl_init( &ssl ); mbedtls_ssl_config_init( &conf ); memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) ); mbedtls_ctr_drbg_init( &ctr_drbg ); #if defined(MBEDTLS_X509_CRT_PARSE_C) mbedtls_x509_crt_init( &cacert ); mbedtls_x509_crt_init( &clicert ); mbedtls_pk_init( &pkey ); #endif #if defined(MBEDTLS_SSL_ALPN) memset( (void * ) alpn_list, 0, sizeof( alpn_list ) ); #endif #if !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* Set public key is causing NVM writes */ #if defined(SMCOM_JRCP_V2) && SSS_HAVE_SE05X_VER_GTE_06_00 { uint32_t status = kStatus_SSS_Fail; sss_se05x_session_t *pSe05xSession = (sss_se05x_session_t *)&pCtx->session; status = smComJRCP_NvmCount(pSe05xSession->s_ctx.conn_ctx, &start_nvmCount); if (status == SMCOM_OK) { mbedtls_printf("NVM count at start : %u \n", start_nvmCount); } } #endif #endif if(gex_sss_argc == 0 ) { usage: if (ret == 0) ret = 1; mbedtls_printf(USAGE); list = mbedtls_ssl_list_ciphersuites(); while( *list ) { mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list)); list++; if (!*list) break; mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list)); list++; } mbedtls_printf("\n"); goto exit; } opt.server_name = DFL_SERVER_NAME; opt.server_addr = DFL_SERVER_ADDR; opt.server_port = DFL_SERVER_PORT; opt.debug_level = DFL_DEBUG_LEVEL; opt.nbio = DFL_NBIO; opt.event = DFL_EVENT; opt.read_timeout = DFL_READ_TIMEOUT; opt.max_resend = DFL_MAX_RESEND; opt.request_page = DFL_REQUEST_PAGE; opt.request_size = DFL_REQUEST_SIZE; opt.ca_file = DFL_CA_FILE; opt.ca_path = DFL_CA_PATH; opt.crt_file = DFL_CRT_FILE; opt.key_file = DFL_KEY_FILE; opt.psk = DFL_PSK; opt.psk_identity = DFL_PSK_IDENTITY; opt.ecjpake_pw = DFL_ECJPAKE_PW; opt.force_ciphersuite[0] = DFL_FORCE_CIPHER; opt.renegotiation = DFL_RENEGOTIATION; opt.allow_legacy = DFL_ALLOW_LEGACY; opt.renegotiate = DFL_RENEGOTIATE; opt.exchanges = DFL_EXCHANGES; opt.min_version = DFL_MIN_VERSION; opt.max_version = DFL_MAX_VERSION; opt.arc4 = DFL_ARC4; opt.allow_sha1 = DFL_SHA1; opt.auth_mode = DFL_AUTH_MODE; opt.mfl_code = DFL_MFL_CODE; opt.trunc_hmac = DFL_TRUNC_HMAC; opt.recsplit = DFL_RECSPLIT; opt.dhmlen = DFL_DHMLEN; opt.reconnect = DFL_RECONNECT; opt.reco_delay = DFL_RECO_DELAY; opt.reconnect_hard = DFL_RECONNECT_HARD; opt.tickets = DFL_TICKETS; opt.alpn_string = DFL_ALPN_STRING; opt.curves = DFL_CURVES; opt.transport = DFL_TRANSPORT; opt.hs_to_min = DFL_HS_TO_MIN; opt.hs_to_max = DFL_HS_TO_MAX; opt.fallback = DFL_FALLBACK; opt.extended_ms = DFL_EXTENDED_MS; opt.etm = DFL_ETM; /* Ignore the last command line argument (used in ex_sss_main_inc.h) */ gex_sss_argc--; for (i = 1; i < gex_sss_argc; i++) { p = (char *)gex_sss_argv[i]; printf("%s \n", p); if ((q = strchr(p, '=')) == NULL) goto usage; *q++ = '\0'; if (strcmp(p, "server_name") == 0) opt.server_name = q; else if (strcmp(p, "server_addr") == 0) opt.server_addr = q; else if (strcmp(p, "server_port") == 0) opt.server_port = q; else if( strcmp( p, "dtls" ) == 0 ) { int t = atoi(q); if (t == 0) opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM; else if (t == 1) opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; else goto usage; } else if( strcmp( p, "debug_level" ) == 0 ) { opt.debug_level = atoi(q); if (opt.debug_level < 0 || opt.debug_level > 65535) goto usage; } else if( strcmp( p, "nbio" ) == 0 ) { opt.nbio = atoi(q); if (opt.nbio < 0 || opt.nbio > 2) goto usage; } else if( strcmp( p, "event" ) == 0 ) { opt.event = atoi( q ); if( opt.event < 0 || opt.event > 2 ) goto usage; } else if (strcmp(p, "read_timeout") == 0) opt.read_timeout = atoi(q); else if( strcmp( p, "max_resend" ) == 0 ) { opt.max_resend = atoi(q); if (opt.max_resend < 0) goto usage; } else if (strcmp(p, "request_page") == 0) opt.request_page = q; else if( strcmp( p, "request_size" ) == 0 ) { opt.request_size = atoi(q); if( opt.request_size < 0 || opt.request_size > MAX_REQUEST_SIZE ) goto usage; } else if (strcmp(p, "ca_file") == 0) opt.ca_file = q; else if (strcmp(p, "ca_path") == 0) opt.ca_path = q; else if (strcmp(p, "crt_file") == 0) opt.crt_file = q; else if (strcmp(p, "key_file") == 0) opt.key_file = q; else if (strcmp(p, "psk") == 0) opt.psk = q; else if (strcmp(p, "psk_identity") == 0) opt.psk_identity = q; else if (strcmp(p, "ecjpake_pw") == 0) opt.ecjpake_pw = q; else if( strcmp( p, "force_ciphersuite" ) == 0 ) { opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q); if( opt.force_ciphersuite[0] == 0 ) { ret = 2; goto usage; } opt.force_ciphersuite[1] = 0; } else if( strcmp( p, "renegotiation" ) == 0 ) { opt.renegotiation = (atoi( q )) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED : MBEDTLS_SSL_RENEGOTIATION_DISABLED; } else if( strcmp( p, "allow_legacy" ) == 0 ) { switch( atoi( q ) ) { case -1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE; break; case 0: opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION; break; case 1: opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION; break; default: goto usage; } } else if( strcmp( p, "renegotiate" ) == 0 ) { opt.renegotiate = atoi(q); if (opt.renegotiate < 0 || opt.renegotiate > 1) goto usage; } else if( strcmp( p, "exchanges" ) == 0 ) { opt.exchanges = atoi(q); if (opt.exchanges < 1) goto usage; } else if( strcmp( p, "reconnect" ) == 0 ) { opt.reconnect = atoi(q); if (opt.reconnect < 0 || opt.reconnect > 2) goto usage; } else if( strcmp( p, "reco_delay" ) == 0 ) { opt.reco_delay = atoi(q); if (opt.reco_delay < 0) goto usage; } else if( strcmp( p, "reconnect_hard" ) == 0 ) { opt.reconnect_hard = atoi(q); if (opt.reconnect_hard < 0 || opt.reconnect_hard > 1) goto usage; } else if( strcmp( p, "tickets" ) == 0 ) { opt.tickets = atoi(q); if (opt.tickets < 0 || opt.tickets > 2) goto usage; } else if( strcmp( p, "alpn" ) == 0 ) { opt.alpn_string = q; } else if( strcmp( p, "fallback" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.fallback = MBEDTLS_SSL_IS_NOT_FALLBACK; break; case 1: opt.fallback = MBEDTLS_SSL_IS_FALLBACK; break; default: goto usage; } } else if( strcmp( p, "extended_ms" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED; break; case 1: opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED; break; default: goto usage; } } else if (strcmp(p, "curves") == 0) opt.curves = q; else if( strcmp( p, "etm" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break; case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break; default: goto usage; } } else if( strcmp( p, "min_version" ) == 0 ) { if (strcmp(q, "ssl3") == 0) opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; else if (strcmp(q, "tls1") == 0) opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; else if( strcmp( q, "tls1_1" ) == 0 || strcmp( q, "dtls1" ) == 0 ) opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; else if( strcmp( q, "tls1_2" ) == 0 || strcmp( q, "dtls1_2" ) == 0 ) opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; else goto usage; } else if( strcmp( p, "max_version" ) == 0 ) { if (strcmp(q, "ssl3") == 0) opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; else if (strcmp(q, "tls1") == 0) opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; else if( strcmp( q, "tls1_1" ) == 0 || strcmp( q, "dtls1" ) == 0 ) opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; else if( strcmp( q, "tls1_2" ) == 0 || strcmp( q, "dtls1_2" ) == 0 ) opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; else goto usage; } else if( strcmp( p, "arc4" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.arc4 = MBEDTLS_SSL_ARC4_DISABLED; break; case 1: opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; break; default: goto usage; } } else if( strcmp( p, "allow_sha1" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.allow_sha1 = 0; break; case 1: opt.allow_sha1 = 1; break; default: goto usage; } } else if( strcmp( p, "force_version" ) == 0 ) { if( strcmp( q, "ssl3" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_0; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_0; } else if( strcmp( q, "tls1" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_1; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_1; } else if( strcmp( q, "tls1_1" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; } else if( strcmp( q, "tls1_2" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; } else if( strcmp( q, "dtls1" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_2; opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else if( strcmp( q, "dtls1_2" ) == 0 ) { opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3; opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM; } else goto usage; } else if( strcmp( p, "auth_mode" ) == 0 ) { if (strcmp(q, "none") == 0) opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE; else if (strcmp(q, "optional") == 0) opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL; else if (strcmp(q, "required") == 0) opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED; else goto usage; } else if( strcmp( p, "max_frag_len" ) == 0 ) { if (strcmp(q, "512") == 0) opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512; else if (strcmp(q, "1024") == 0) opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024; else if (strcmp(q, "2048") == 0) opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048; else if (strcmp(q, "4096") == 0) opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096; else goto usage; } else if( strcmp( p, "trunc_hmac" ) == 0 ) { switch( atoi( q ) ) { case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break; case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break; default: goto usage; } } else if( strcmp( p, "hs_timeout" ) == 0 ) { if ((p = strchr(q, '-')) == NULL) goto usage; *p++ = '\0'; opt.hs_to_min = atoi(q); opt.hs_to_max = atoi(p); if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) goto usage; } else if( strcmp( p, "recsplit" ) == 0 ) { opt.recsplit = atoi(q); if (opt.recsplit < 0 || opt.recsplit > 1) goto usage; } else if( strcmp( p, "dhmlen" ) == 0 ) { opt.dhmlen = atoi(q); if (opt.dhmlen < 0) goto usage; } else goto usage; } /* clang-format on */ if (strcmp(opt.key_file, "none") == 0) { useKeysFromSM = true; } else { useKeysFromSM = false; } if (useKeysFromSM) { sss_status_t status; /* doc+:initialize-key-objs */ /* pex_sss_demo_tls_ctx->obj will have the private key handle */ status = sss_key_object_init(&pex_sss_demo_tls_ctx->obj, &pCtx->ks); if (status != kStatus_SSS_Success) { printf(" sss_key_object_init for keyPair Failed...\n"); return kStatus_SSS_Fail; } status = sss_key_object_get_handle(&pex_sss_demo_tls_ctx->obj, SSS_KEYPAIR_INDEX_CLIENT_PRIVATE); if (status != kStatus_SSS_Success) { printf(" sss_key_object_get_handle for keyPair Failed...\n"); return kStatus_SSS_Fail; } /* * All ecdsa verification is done using the esdsa_alt file. No need to associate the root ca pub key. */ #if !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* pex_sss_demo_tls_ctx->pub_obj will have the root CA public key */ status = sss_key_object_init(&pex_sss_demo_tls_ctx->pub_obj, &pCtx->ks); if (status != kStatus_SSS_Success) { printf(" sss_key_object_init for Pub key Failed...\n"); return kStatus_SSS_Fail; } status = sss_key_object_get_handle(&pex_sss_demo_tls_ctx->pub_obj, SSS_PUBKEY_INDEX_CA); if (status != kStatus_SSS_Success) { printf(" sss_key_object_get_handle for extPubkey Failed...\n"); return kStatus_SSS_Fail; } #endif /* pex_sss_demo_tls_ctx->dev_cert will have the our device certificate */ status = sss_key_object_init(&pex_sss_demo_tls_ctx->dev_cert, &pCtx->ks); if (status != kStatus_SSS_Success) { printf(" sss_key_object_init for Pub key Failed...\n"); return kStatus_SSS_Fail; } status = sss_key_object_get_handle(&pex_sss_demo_tls_ctx->dev_cert, SSS_CERTIFICATE_INDEX); if (status != kStatus_SSS_Success) { printf(" sss_key_object_get_handle for client Cert Failed...\n"); return kStatus_SSS_Fail; } /* doc-:initialize-key-objs */ } else { printf("WARNING!!!!!!!!!!!! using keys from file system"); } /* clang-format off */ /* Event-driven IO is incompatible with the above custom * receive and send functions, as the polling builds on * refers to the underlying net_context. */ if( opt.event == 1 && opt.nbio != 1 ) { mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" ); opt.nbio = 1; } #if defined(MBEDTLS_DEBUG_C) mbedtls_debug_set_threshold(opt.debug_level); #endif if( opt.force_ciphersuite[0] > 0 ) { const mbedtls_ssl_ciphersuite_t *ciphersuite_info; ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] ); if (opt.max_version != -1 && ciphersuite_info->min_minor_ver > opt.max_version ) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } if (opt.min_version != -1 && ciphersuite_info->max_minor_ver < opt.min_version ) { mbedtls_printf("forced ciphersuite not allowed with this protocol version\n"); ret = 2; goto usage; } /* If the server selects a version that's not supported by * this suite, then there will be no common ciphersuite... */ if (opt.max_version == -1 || opt.max_version > ciphersuite_info->max_minor_ver ) { opt.max_version = ciphersuite_info->max_minor_ver; } if( opt.min_version < ciphersuite_info->min_minor_ver ) { opt.min_version = ciphersuite_info->min_minor_ver; /* DTLS starts with TLS 1.1 */ if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM && opt.min_version < MBEDTLS_SSL_MINOR_VERSION_2) opt.min_version = MBEDTLS_SSL_MINOR_VERSION_2; } /* Enable RC4 if needed and not explicitly disabled */ if( ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 ) { if( opt.arc4 == MBEDTLS_SSL_ARC4_DISABLED ) { mbedtls_printf("forced RC4 ciphersuite with RC4 disabled\n"); ret = 2; goto usage; } opt.arc4 = MBEDTLS_SSL_ARC4_ENABLED; } } #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) /* * Unhexify the pre-shared key if any is given */ if( strlen( opt.psk ) ) { unsigned char c; size_t j; if( strlen( opt.psk ) % 2 != 0 ) { mbedtls_printf("pre-shared key not valid hex\n"); goto exit; } psk_len = strlen(opt.psk) / 2; for( j = 0; j < strlen( opt.psk ); j += 2 ) { c = opt.psk[j]; if (c >= '0' && c <= '9') c -= '0'; else if (c >= 'a' && c <= 'f') c -= 'a' - 10; else if (c >= 'A' && c <= 'F') c -= 'A' - 10; else { mbedtls_printf("pre-shared key not valid hex\n"); goto exit; } psk[j / 2] = c << 4; c = opt.psk[j + 1]; if (c >= '0' && c <= '9') c -= '0'; else if (c >= 'a' && c <= 'f') c -= 'a' - 10; else if (c >= 'A' && c <= 'F') c -= 'A' - 10; else { mbedtls_printf("pre-shared key not valid hex\n"); goto exit; } psk[j / 2] |= c; } } #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 */ /* * 0. Initialize the RNG and the session data */ mbedtls_printf("\n . Seeding the random number generator..."); fflush(stdout); mbedtls_entropy_init(&entropy); if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, (const unsigned char *) pers, strlen( pers ) ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n", -ret ); goto exit; } mbedtls_printf(" ok\n"); #if defined(MBEDTLS_X509_CRT_PARSE_C) /* * 1.1. Load the trusted CA */ mbedtls_printf(" . Loading the CA root certificate ..."); fflush(stdout); #if defined(MBEDTLS_FS_IO) if (strlen(opt.ca_path)) if (strcmp(opt.ca_path, "none") == 0) ret = 0; else ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path); else if (strlen(opt.ca_file)) if (strcmp(opt.ca_file, "none") == 0) ret = 0; else ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file); else #endif #if defined(MBEDTLS_CERTS_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; } #else { ret = 1; mbedtls_printf("MBEDTLS_CERTS_C not defined."); } #endif if (useKeysFromSM) { #if !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* doc+:use-public-key-from-se */ mbedtls_pk_free(&cacert.pk); ret = sss_mbedtls_associate_pubkey(&cacert.pk, &pex_sss_demo_tls_ctx->pub_obj); /* doc-:use-public-key-from-se */ #else /* doc+:ecdsa-verify-alt-set-keystore */ sss_mbedtls_set_sss_keystore(&pCtx->ks); /* doc-:ecdsa-verify-alt-set-keystore */ #endif } if( ret < 0 ) { mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", -ret ); goto exit; } mbedtls_printf(" ok (%d skipped)\n", ret); /* * 1.2. Load own certificate and private key * * (can be skipped if client authentication is not required) */ mbedtls_printf(" . Loading the client cert. and key..."); fflush(stdout); #if defined(MBEDTLS_FS_IO) if (strlen(opt.crt_file)) if( strcmp( opt.crt_file, "none" ) == 0 ) { /* doc+:load-certificate-from-se */ size_t KeyBitLen = SIZE_CLIENT_CERTIFICATE * 8; size_t KeyByteLen = SIZE_CLIENT_CERTIFICATE; ret_code = sss_key_store_get_key( &pCtx->ks, &pex_sss_demo_tls_ctx->dev_cert, aclient_cer, &KeyByteLen, &KeyBitLen); ret = mbedtls_x509_crt_parse_der(&clicert, (const unsigned char *)aclient_cer, sizeof(aclient_cer)); if ((ret_code == kStatus_SSS_Success) && (ret == 0)) { client_certificate_loaded = 1; } /* doc-:load-certificate-from-se */ } else ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file); else #endif #if defined(MBEDTLS_CERTS_C) ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt, mbedtls_test_cli_crt_len); #else { ret = 1; mbedtls_printf("MBEDTLS_CERTS_C not defined."); } #endif if (useKeysFromSM) { // for private key, we use the KEY from SE. mbedtls_pk_free(&clicert.pk); } if( ret != 0 ) { mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", -ret ); goto exit; } #if defined(MBEDTLS_FS_IO) if (useKeysFromSM) { /* doc+:set-handle-to-use-private-key-from-se */ sss_mbedtls_associate_keypair(&pkey, &pex_sss_demo_tls_ctx->obj); /* doc-:set-handle-to-use-private-key-from-se */ } else if (strlen(opt.key_file)) if (strcmp(opt.key_file, "none") == 0) ret = 0; else ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, ""); else #endif #if defined(MBEDTLS_CERTS_C) ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key, mbedtls_test_cli_key_len, NULL, 0 ); #else { ret = 1; mbedtls_printf("MBEDTLS_CERTS_C not defined."); } #endif if( ret != 0 ) { mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n", -ret ); goto exit; } mbedtls_printf(" ok\n"); #endif /* MBEDTLS_X509_CRT_PARSE_C */ /* * 2. Start the connection */ if (opt.server_addr == NULL) opt.server_addr = opt.server_name; mbedtls_printf(" . Connecting to %s/%s/%s...", opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp", opt.server_addr, opt.server_port ); fflush(stdout); if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port, opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n", -ret ); goto exit; } if (opt.nbio > 0) ret = mbedtls_net_set_nonblock(&server_fd); else ret = mbedtls_net_set_block(&server_fd); if( ret != 0 ) { mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n", -ret ); goto exit; } mbedtls_printf(" ok\n"); /* * 3. Setup stuff */ mbedtls_printf(" . Setting up the SSL/TLS structure..."); fflush(stdout); if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT, opt.transport, MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", -ret ); goto exit; } #if defined(MBEDTLS_X509_CRT_PARSE_C) /* The default algorithms profile disables SHA-1, but our tests still rely on it heavily. */ if( opt.allow_sha1 > 0 ) { crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 ); mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test); mbedtls_ssl_conf_sig_hashes(&conf, ssl_sig_hashes_for_test); } if (opt.debug_level > 0) mbedtls_ssl_conf_verify(&conf, my_verify, NULL); #endif /* MBEDTLS_X509_CRT_PARSE_C */ if (opt.auth_mode != DFL_AUTH_MODE) mbedtls_ssl_conf_authmode(&conf, opt.auth_mode); #if defined(MBEDTLS_SSL_PROTO_DTLS) if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max ); #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_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_CBC_RECORD_SPLITTING) if (opt.recsplit != DFL_RECSPLIT) mbedtls_ssl_conf_cbc_record_splitting( &conf, opt.recsplit ? MBEDTLS_SSL_CBC_RECORD_SPLITTING_ENABLED : MBEDTLS_SSL_CBC_RECORD_SPLITTING_DISABLED ); #endif #if defined(MBEDTLS_DHM_C) if (opt.dhmlen != DFL_DHMLEN) mbedtls_ssl_conf_dhm_min_bitlen(&conf, opt.dhmlen); #endif #if defined(MBEDTLS_SSL_ALPN) if (opt.alpn_string != NULL) if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret ); goto exit; } #endif mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg); mbedtls_ssl_conf_dbg(&conf, my_debug, stdout); mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout); #if defined(MBEDTLS_SSL_SESSION_TICKETS) mbedtls_ssl_conf_session_tickets(&conf, opt.tickets); #endif if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite); #if defined(MBEDTLS_ARC4_C) if (opt.arc4 != DFL_ARC4) mbedtls_ssl_conf_arc4_support(&conf, opt.arc4); #endif if (opt.allow_legacy != DFL_ALLOW_LEGACY) mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy); #if defined(MBEDTLS_SSL_RENEGOTIATION) mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation); #endif #if defined(MBEDTLS_X509_CRT_PARSE_C) if( strcmp( opt.ca_path, "none" ) != 0 && strcmp( opt.ca_file, "none" ) != 0 ) { mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL); } if( ( (strcmp( opt.crt_file, "none" ) != 0) || (client_certificate_loaded == 1))&& ((strcmp( opt.key_file, "none" ) != 0) || (useKeysFromSM )) ) { if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret ); goto exit; } } #endif #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( ( ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len, (const unsigned char *)opt.psk_identity, strlen( opt.psk_identity ) ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_conf_psk returned %d\n\n", 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_MAX_VERSION) mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version ); #if defined(MBEDTLS_SSL_FALLBACK_SCSV) if (opt.fallback != DFL_FALLBACK) mbedtls_ssl_conf_fallback(&conf, opt.fallback); #endif if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", -ret ); goto exit; } if (pex_sss_demo_tls_ctx->obj.cipherType == kSSS_CipherType_EC_NIST_P || pex_sss_demo_tls_ctx->obj.cipherType == kSSS_CipherType_EC_NIST_K || pex_sss_demo_tls_ctx->obj.cipherType == kSSS_CipherType_EC_BRAINPOOL || pex_sss_demo_tls_ctx->obj.cipherType == kSSS_CipherType_EC_MONTGOMERY || pex_sss_demo_tls_ctx->obj.cipherType == kSSS_CipherType_EC_TWISTED_ED) { if (useKeysFromSM) { /* doc+:use-private-key-for-ecdh */ sss_mbedtls_associate_ecdhctx(ssl.handshake, &pex_sss_demo_tls_ctx->obj, &pCtx->host_ks); /* doc-:use-private-key-for-ecdh */ } } #if defined(MBEDTLS_X509_CRT_PARSE_C) if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret ); goto exit; } #endif #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) if( opt.ecjpake_pw != DFL_ECJPAKE_PW ) { if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl, (const unsigned char *)opt.ecjpake_pw, strlen( opt.ecjpake_pw ) ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret ); goto exit; } } #endif if (opt.nbio == 2) mbedtls_ssl_set_bio(&ssl, &server_fd, my_send, my_recv, NULL); else mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL); #if defined(MBEDTLS_TIMING_C) mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay, mbedtls_timing_get_delay ); #endif mbedtls_printf(" ok\n"); /* * 4. Handshake */ mbedtls_printf(" . Performing the SSL/TLS handshake..."); fflush(stdout); while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 ) { if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) { mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n", -ret ); if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) mbedtls_printf( " Unable to verify the server's certificate. " "Either it is invalid,\n" " or you didn't set ca_file or ca_path " "to an appropriate value.\n" " Alternatively, you may want to use " "auth_mode=optional for testing purposes.\n"); mbedtls_printf("\n"); goto exit; } /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) ret = idle( &server_fd, &timer, ret ); #else ret = idle( &server_fd, ret ); #endif if( ret != 0 ) goto exit; } } mbedtls_printf(" ok\n [ Protocol is %s ]\n [ Ciphersuite is %s ]\n", mbedtls_ssl_get_version( &ssl ), mbedtls_ssl_get_ciphersuite( &ssl ) ); if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) mbedtls_printf(" [ Record expansion is %d ]\n", ret); else mbedtls_printf(" [ Record expansion is unknown (compression) ]\n"); #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) mbedtls_printf(" [ Maximum fragment length is %u ]\n", (unsigned int)mbedtls_ssl_get_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( opt.reconnect != 0 ) { mbedtls_printf(" . Saving session for reuse..."); fflush(stdout); if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_get_session returned -0x%x\n\n", -ret ); goto exit; } mbedtls_printf(" ok\n"); } #if defined(MBEDTLS_X509_CRT_PARSE_C) /* * 5. Verify the server certificate */ mbedtls_printf(" . Verifying peer X.509 certificate..."); if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 ) { char vrfy_buf[512]; mbedtls_printf(" failed\n"); mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags ); mbedtls_printf("%s\n", vrfy_buf); } else mbedtls_printf(" ok\n"); if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL ) { mbedtls_printf(" . Peer certificate information ...\n"); mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ", mbedtls_ssl_get_peer_cert(&ssl)); mbedtls_printf("%s\n", buf); } #endif /* MBEDTLS_X509_CRT_PARSE_C */ #if defined(MBEDTLS_SSL_RENEGOTIATION) if( opt.renegotiate ) { /* * Perform renegotiation (this must be done when the server is waiting * for input from our side). */ mbedtls_printf(" . Performing renegotiation..."); fflush(stdout); while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 ) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) { mbedtls_printf( " failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret ); goto exit; } /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } } mbedtls_printf(" ok\n"); } #endif /* MBEDTLS_SSL_RENEGOTIATION */ /* * 6. Write the GET request */ retry_left = opt.max_resend; send_request: mbedtls_printf(" > Write to server:"); fflush(stdout); len = mbedtls_snprintf( (char *) buf, sizeof(buf) - 1, GET_REQUEST, opt.request_page ); tail_len = (int)strlen(GET_REQUEST_END); /* Add padding to GET request to reach opt.request_size in length */ if (opt.request_size != DFL_REQUEST_SIZE && len + tail_len < opt.request_size ) { memset(buf + len, 'A', opt.request_size - len - tail_len); for (i = 0; i < opt.request_size - len - tail_len; i++) { *(buf + len + i) = 'A' + (i % 26); } len += opt.request_size - len - tail_len; } strncpy((char *)buf + len, GET_REQUEST_END, sizeof(buf) - len - 1); len += tail_len; /* Truncate if request size is smaller than the "natural" size */ if( opt.request_size != DFL_REQUEST_SIZE && len > opt.request_size ) { len = opt.request_size; /* Still end with \r\n unless that's really not possible */ if( len >= 2 ) buf[len - 2] = '\r'; if( len >= 1 ) buf[len - 1] = '\n'; } if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) { written = 0; frags = 0; do { while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) ) < 0 ) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) { mbedtls_printf( " failed\n ! mbedtls_ssl_write returned -0x%x\n\n", -ret ); goto exit; } /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } } frags++; written += ret; } while( written < len ); } else /* Not stream, so datagram */ { while( 1 ) { ret = mbedtls_ssl_write( &ssl, buf, len ); if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) break; /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } } if( ret < 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret ); goto exit; } frags = 1; written = ret; if( written < len ) { mbedtls_printf( " warning\n ! request didn't fit into single datagram and " "was truncated to size %u", (unsigned) written ); } } buf[written] = '\0'; mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf ); /* Send a non-empty request if request_size == 0 */ if ( len == 0 ) { opt.request_size = DFL_REQUEST_SIZE; goto send_request; } /* * 7. Read the HTTP response */ mbedtls_printf(" < Read from server:"); fflush(stdout); /* * TLS and DTLS need different reading styles (stream vs datagram) */ if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ) { do { len = sizeof(buf) - 1; memset(buf, 0, sizeof(buf)); ret = mbedtls_ssl_read(&ssl, buf, len); if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) { /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } continue; } if( ret <= 0 ) { switch( ret ) { case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); ret = 0; goto close_notify; case 0: case MBEDTLS_ERR_NET_CONN_RESET: mbedtls_printf(" connection was reset by peer\n"); ret = 0; goto reconnect; default: mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret ); goto exit; } } len = ret; buf[len] = '\0'; mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf); /* End of message should be detected according to the syntax of the * application protocol (eg HTTP), just use a dummy test here. */ if( ret > 0 && buf[len-1] == '\n' ) { ret = 0; break; } } while( 1 ); } else /* Not stream, so datagram */ { len = sizeof(buf) - 1; memset(buf, 0, sizeof(buf)); while( 1 ) { ret = mbedtls_ssl_read( &ssl, buf, len ); if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) break; /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } } if( ret <= 0 ) { switch( ret ) { case MBEDTLS_ERR_SSL_TIMEOUT: mbedtls_printf(" timeout\n"); if (retry_left-- > 0) goto send_request; goto exit; case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: mbedtls_printf(" connection was closed gracefully\n"); ret = 0; goto close_notify; default: mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", -ret); goto exit; } } len = ret; buf[len] = '\0'; mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf); ret = 0; } /* * 7b. Simulate hard reset and reconnect from same port? */ if( opt.reconnect_hard != 0 ) { opt.reconnect_hard = 0; mbedtls_printf(" . Restarting connection from same port..."); fflush(stdout); if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", -ret ); goto exit; } while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 ) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) { mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret ); goto exit; } /* For event-driven IO, wait for socket to become available */ if( opt.event == 1 /* level triggered IO */ ) { #if defined(MBEDTLS_TIMING_C) idle( &server_fd, &timer, ret ); #else idle( &server_fd, ret ); #endif } } mbedtls_printf(" ok\n"); goto send_request; } /* * 7c. Continue doing data exchanges? */ if (--opt.exchanges > 0) goto send_request; /* * 8. Done, cleanly close the connection */ close_notify: mbedtls_printf(" . Closing the connection..."); fflush(stdout); /* No error checking, the connection might be closed already */ do ret = mbedtls_ssl_close_notify( &ssl ); while (ret == MBEDTLS_ERR_SSL_WANT_WRITE); ret = 0; mbedtls_printf(" done\n"); /* * 9. Reconnect? */ reconnect: if( opt.reconnect != 0 ) { --opt.reconnect; mbedtls_net_free(&server_fd); #if defined(MBEDTLS_TIMING_C) if (opt.reco_delay > 0) mbedtls_net_usleep(1000000 * opt.reco_delay); #endif mbedtls_printf(" . Reconnecting with saved session..."); if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_session_reset returned -0x%x\n\n", -ret ); goto exit; } if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_ssl_conf_session returned %d\n\n", ret ); goto exit; } if( ( ret = mbedtls_net_connect( &server_fd, opt.server_addr, opt.server_port, opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 ) { mbedtls_printf( " failed\n ! mbedtls_net_connect returned -0x%x\n\n", -ret ); goto exit; } if (opt.nbio > 0) ret = mbedtls_net_set_nonblock(&server_fd); else ret = mbedtls_net_set_block(&server_fd); if( ret != 0 ) { mbedtls_printf( " failed\n ! net_set_(non)block() returned -0x%x\n\n", -ret ); goto exit; } while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 ) { if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE ) { mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret ); goto exit; } } mbedtls_printf(" ok\n"); goto send_request; } /* * Cleanup and exit */ exit: #if !defined(MBEDTLS_ECDSA_VERIFY_ALT) /* Set public key is causing NVM writes */ #if defined(SMCOM_JRCP_V2) && SSS_HAVE_SE05X_VER_GTE_06_00 { uint32_t status = kStatus_SSS_Fail; sss_se05x_session_t *pSe05xSession = (sss_se05x_session_t *)&pCtx->session; status = smComJRCP_NvmCount(pSe05xSession->s_ctx.conn_ctx, &end_nvmCount); if (status == SMCOM_OK) { mbedtls_printf("NVM count at end : %u \n", end_nvmCount); } /* Ignore one nvm write for rsa sign for the first time */ if (end_nvmCount > start_nvmCount + 1){ mbedtls_printf("NVM write not expected\n"); } } #endif #endif #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", -ret, error_buf); } #endif mbedtls_net_free(&server_fd); #if defined(MBEDTLS_X509_CRT_PARSE_C) mbedtls_x509_crt_free(&clicert); mbedtls_x509_crt_free(&cacert); mbedtls_pk_free(&pkey); #endif mbedtls_ssl_session_free(&saved_session); mbedtls_ssl_free(&ssl); mbedtls_ssl_config_free(&conf); mbedtls_ctr_drbg_free(&ctr_drbg); mbedtls_entropy_free(&entropy); //#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 = kStatus_SSS_Fail; return kStatus_SSS_Success; } #endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C MBEDTLS_TIMING_C */ /* clang-format on */