// Minimal TLS server. This is largely based on the example at // https://wiki.openssl.org/index.php/Simple_TLS_Server and the gRPC core // internals in src/core/lib/tsi/ssl_transport_security.c. static void server_thread(void *arg) { const server_args *args = (server_args *)arg; SSL_load_error_strings(); OpenSSL_add_ssl_algorithms(); const SSL_METHOD *method = TLSv1_2_server_method(); SSL_CTX *ctx = SSL_CTX_new(method); if (!ctx) { perror("Unable to create SSL context"); ERR_print_errors_fp(stderr); abort(); } // Load key pair. if (SSL_CTX_use_certificate_file(ctx, SSL_CERT_PATH, SSL_FILETYPE_PEM) < 0) { ERR_print_errors_fp(stderr); abort(); } if (SSL_CTX_use_PrivateKey_file(ctx, SSL_KEY_PATH, SSL_FILETYPE_PEM) < 0) { ERR_print_errors_fp(stderr); abort(); } // Set the cipher list to match the one expressed in // src/core/lib/tsi/ssl_transport_security.c. const char *cipher_list = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-" "SHA384:ECDHE-RSA-AES256-GCM-SHA384"; if (!SSL_CTX_set_cipher_list(ctx, cipher_list)) { ERR_print_errors_fp(stderr); gpr_log(GPR_ERROR, "Couldn't set server cipher list."); abort(); } // Register the ALPN selection callback. SSL_CTX_set_alpn_select_cb(ctx, alpn_select_cb, args->alpn_preferred); // bind/listen/accept at TCP layer. const int sock = args->socket; gpr_log(GPR_INFO, "Server listening"); struct sockaddr_in addr; socklen_t len = sizeof(addr); const int client = accept(sock, (struct sockaddr *)&addr, &len); if (client < 0) { perror("Unable to accept"); abort(); } // Establish a SSL* and accept at SSL layer. SSL *ssl = SSL_new(ctx); GPR_ASSERT(ssl); SSL_set_fd(ssl, client); if (SSL_accept(ssl) <= 0) { ERR_print_errors_fp(stderr); gpr_log(GPR_ERROR, "Handshake failed."); } else { gpr_log(GPR_INFO, "Handshake successful."); } // Wait until the client drops its connection. char buf; while (SSL_read(ssl, &buf, sizeof(buf)) > 0) ; SSL_free(ssl); close(client); close(sock); SSL_CTX_free(ctx); EVP_cleanup(); }
void Context::createSSLContext() { if (SSLManager::isFIPSEnabled()) { _pSSLContext = SSL_CTX_new(TLSv1_method()); } else { switch (_usage) { case CLIENT_USE: #if OPENSSL_VERSION_NUMBER >= 0x10100000L _pSSLContext = SSL_CTX_new(TLS_client_method()); #else _pSSLContext = SSL_CTX_new(SSLv23_client_method()); #endif break; case SERVER_USE: #if OPENSSL_VERSION_NUMBER >= 0x10100000L _pSSLContext = SSL_CTX_new(TLS_server_method()); #else _pSSLContext = SSL_CTX_new(SSLv23_server_method()); #endif break; #if defined(SSL_OP_NO_TLSv1) && !defined(OPENSSL_NO_TLS1) case TLSV1_CLIENT_USE: _pSSLContext = SSL_CTX_new(TLSv1_client_method()); break; case TLSV1_SERVER_USE: _pSSLContext = SSL_CTX_new(TLSv1_server_method()); break; #endif #if defined(SSL_OP_NO_TLSv1_1) && !defined(OPENSSL_NO_TLS1) /* SSL_OP_NO_TLSv1_1 is defined in ssl.h if the library version supports TLSv1.1. * OPENSSL_NO_TLS1 is defined in opensslconf.h or on the compiler command line * if TLS1.x was removed at OpenSSL library build time via Configure options. */ case TLSV1_1_CLIENT_USE: _pSSLContext = SSL_CTX_new(TLSv1_1_client_method()); break; case TLSV1_1_SERVER_USE: _pSSLContext = SSL_CTX_new(TLSv1_1_server_method()); break; #endif #if defined(SSL_OP_NO_TLSv1_2) && !defined(OPENSSL_NO_TLS1) case TLSV1_2_CLIENT_USE: _pSSLContext = SSL_CTX_new(TLSv1_2_client_method()); break; case TLSV1_2_SERVER_USE: _pSSLContext = SSL_CTX_new(TLSv1_2_server_method()); break; #endif default: throw Poco::InvalidArgumentException("Invalid or unsupported usage"); } } if (!_pSSLContext) { unsigned long err = ERR_get_error(); throw SSLException("Cannot create SSL_CTX object", ERR_error_string(err, 0)); } SSL_CTX_set_default_passwd_cb(_pSSLContext, &SSLManager::privateKeyPassphraseCallback); Utility::clearErrorStack(); SSL_CTX_set_options(_pSSLContext, SSL_OP_ALL); }
THREAD_RETURN CYASSL_THREAD server_test(void* args) { SOCKET_T sockfd = 0; SOCKET_T clientfd = 0; SSL_METHOD* method = 0; SSL_CTX* ctx = 0; SSL* ssl = 0; char msg[] = "I hear you fa shizzle!"; char input[80]; int idx; int ch; int version = SERVER_DEFAULT_VERSION; int doCliCertCheck = 1; int useAnyAddr = 0; word16 port = wolfSSLPort; int usePsk = 0; int useAnon = 0; int doDTLS = 0; int needDH = 0; int useNtruKey = 0; int nonBlocking = 0; int trackMemory = 0; int fewerPackets = 0; int pkCallbacks = 0; int serverReadyFile = 0; int wc_shutdown = 0; int resume = 0; /* do resume, and resume count */ int minDhKeyBits = DEFAULT_MIN_DHKEY_BITS; int ret; char* alpnList = NULL; unsigned char alpn_opt = 0; char* cipherList = NULL; const char* verifyCert = cliCert; const char* ourCert = svrCert; const char* ourKey = svrKey; const char* ourDhParam = dhParam; int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; #ifndef NO_PSK int sendPskIdentityHint = 1; #endif #ifdef HAVE_SNI char* sniHostName = NULL; #endif #ifdef HAVE_OCSP int useOcsp = 0; char* ocspUrl = NULL; #endif ((func_args*)args)->return_code = -1; /* error state */ #ifdef NO_RSA verifyCert = (char*)cliEccCert; ourCert = (char*)eccCert; ourKey = (char*)eccKey; #endif (void)trackMemory; (void)pkCallbacks; (void)needDH; (void)ourKey; (void)ourCert; (void)ourDhParam; (void)verifyCert; (void)useNtruKey; (void)doCliCertCheck; (void)minDhKeyBits; (void)alpnList; (void)alpn_opt; #ifdef CYASSL_TIRTOS fdOpenSession(Task_self()); #endif while ((ch = mygetopt(argc, argv, "?dbstnNufrRawPIp:v:l:A:c:k:Z:S:oO:D:L:")) != -1) { switch (ch) { case '?' : Usage(); exit(EXIT_SUCCESS); case 'd' : doCliCertCheck = 0; break; case 'b' : useAnyAddr = 1; break; case 's' : usePsk = 1; break; case 't' : #ifdef USE_WOLFSSL_MEMORY trackMemory = 1; #endif break; case 'n' : useNtruKey = 1; break; case 'u' : doDTLS = 1; break; case 'f' : fewerPackets = 1; break; case 'R' : serverReadyFile = 1; break; case 'r' : #ifndef NO_SESSION_CACHE resume = 1; #endif break; case 'P' : #ifdef HAVE_PK_CALLBACKS pkCallbacks = 1; #endif break; case 'p' : port = (word16)atoi(myoptarg); #if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API) if (port == 0) err_sys("port number cannot be 0"); #endif break; case 'w' : wc_shutdown = 1; break; case 'v' : version = atoi(myoptarg); if (version < 0 || version > 3) { Usage(); exit(MY_EX_USAGE); } break; case 'l' : cipherList = myoptarg; break; case 'A' : verifyCert = myoptarg; break; case 'c' : ourCert = myoptarg; break; case 'k' : ourKey = myoptarg; break; case 'D' : #ifndef NO_DH ourDhParam = myoptarg; #endif break; case 'Z' : #ifndef NO_DH minDhKeyBits = atoi(myoptarg); if (minDhKeyBits <= 0 || minDhKeyBits > 16000) { Usage(); exit(MY_EX_USAGE); } #endif break; case 'N': nonBlocking = 1; break; case 'S' : #ifdef HAVE_SNI sniHostName = myoptarg; #endif break; case 'o' : #ifdef HAVE_OCSP useOcsp = 1; #endif break; case 'O' : #ifdef HAVE_OCSP useOcsp = 1; ocspUrl = myoptarg; #endif break; case 'a' : #ifdef HAVE_ANON useAnon = 1; #endif break; case 'I': #ifndef NO_PSK sendPskIdentityHint = 0; #endif break; case 'L' : #ifdef HAVE_ALPN alpnList = myoptarg; if (alpnList[0] == 'C' && alpnList[1] == ':') alpn_opt = WOLFSSL_ALPN_CONTINUE_ON_MISMATCH; else if (alpnList[0] == 'F' && alpnList[1] == ':') alpn_opt = WOLFSSL_ALPN_FAILED_ON_MISMATCH; else { Usage(); exit(MY_EX_USAGE); } alpnList += 2; #endif break; default: Usage(); exit(MY_EX_USAGE); } } myoptind = 0; /* reset for test cases */ /* sort out DTLS versus TLS versions */ if (version == CLIENT_INVALID_VERSION) { if (doDTLS) version = CLIENT_DTLS_DEFAULT_VERSION; else version = CLIENT_DEFAULT_VERSION; } else { if (doDTLS) { if (version == 3) version = -2; else version = -1; } } #ifdef USE_CYASSL_MEMORY if (trackMemory) InitMemoryTracker(); #endif switch (version) { #ifndef NO_OLD_TLS #ifdef WOLFSSL_ALLOW_SSLV3 case 0: method = SSLv3_server_method(); break; #endif #ifndef NO_TLS case 1: method = TLSv1_server_method(); break; case 2: method = TLSv1_1_server_method(); break; #endif #endif #ifndef NO_TLS case 3: method = TLSv1_2_server_method(); break; #endif #ifdef CYASSL_DTLS #ifndef NO_OLD_TLS case -1: method = DTLSv1_server_method(); break; #endif case -2: method = DTLSv1_2_server_method(); break; #endif default: err_sys("Bad SSL version"); } if (method == NULL) err_sys("unable to get method"); ctx = SSL_CTX_new(method); if (ctx == NULL) err_sys("unable to get ctx"); #if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \ defined(HAVE_POLY1305) if (TicketInit() != 0) err_sys("unable to setup Session Ticket Key context"); wolfSSL_CTX_set_TicketEncCb(ctx, myTicketEncCb); #endif if (cipherList) if (SSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 1"); #ifdef CYASSL_LEANPSK usePsk = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) usePsk = 1; #endif if (fewerPackets) CyaSSL_CTX_set_group_messages(ctx); #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (!usePsk && !useAnon) { if (SSL_CTX_use_certificate_file(ctx, ourCert, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, check file and run from" " wolfSSL home dir"); } #endif #ifndef NO_DH wolfSSL_CTX_SetMinDhKey_Sz(ctx, (word16)minDhKeyBits); #endif #ifdef HAVE_NTRU if (useNtruKey) { if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ourKey) != SSL_SUCCESS) err_sys("can't load ntru key file, " "Please run from wolfSSL home dir"); } #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (!useNtruKey && !usePsk && !useAnon) { if (SSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server private key file, check file and run " "from wolfSSL home dir"); } #endif if (usePsk) { #ifndef NO_PSK SSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); if (sendPskIdentityHint == 1) SSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); if (cipherList == NULL) { const char *defaultCipherList; #if defined(HAVE_AESGCM) && !defined(NO_DH) defaultCipherList = "DHE-PSK-AES128-GCM-SHA256"; needDH = 1; #elif defined(HAVE_NULL_CIPHER) defaultCipherList = "PSK-NULL-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (SSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 2"); } #endif } if (useAnon) { #ifdef HAVE_ANON CyaSSL_CTX_allow_anon_cipher(ctx); if (cipherList == NULL) { if (SSL_CTX_set_cipher_list(ctx, "ADH-AES128-SHA") != SSL_SUCCESS) err_sys("server can't set cipher list 4"); } #endif } #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) /* if not using PSK, verify peer with certs */ if (doCliCertCheck && usePsk == 0 && useAnon == 0) { SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,0); if (SSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS) err_sys("can't load ca file, Please run from wolfSSL home dir"); } #endif #if defined(CYASSL_SNIFFER) /* don't use EDH, can't sniff tmp keys */ if (cipherList == NULL) { if (SSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) err_sys("server can't set cipher list 3"); } #endif #ifdef HAVE_SNI if (sniHostName) if (CyaSSL_CTX_UseSNI(ctx, CYASSL_SNI_HOST_NAME, sniHostName, XSTRLEN(sniHostName)) != SSL_SUCCESS) err_sys("UseSNI failed"); #endif while (1) { /* allow resume option */ if (resume > 1) { /* already did listen, just do accept */ if (doDTLS == 0) { SOCKADDR_IN_T client; socklen_t client_len = sizeof(client); clientfd = accept(sockfd, (struct sockaddr*)&client, (ACCEPT_THIRD_T)&client_len); } else { tcp_listen(&sockfd, &port, useAnyAddr, doDTLS); clientfd = sockfd; } #ifdef USE_WINDOWS_API if (clientfd == INVALID_SOCKET) err_sys("tcp accept failed"); #else if (clientfd == -1) err_sys("tcp accept failed"); #endif } ssl = SSL_new(ctx); if (ssl == NULL) err_sys("unable to get SSL"); #ifndef NO_HANDSHAKE_DONE_CB wolfSSL_SetHsDoneCb(ssl, myHsDoneCb, NULL); #endif #ifdef HAVE_CRL CyaSSL_EnableCRL(ssl, 0); CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, CYASSL_CRL_MONITOR | CYASSL_CRL_START_MON); CyaSSL_SetCRL_Cb(ssl, CRL_CallBack); #endif #ifdef HAVE_OCSP if (useOcsp) { if (ocspUrl != NULL) { CyaSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl); CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE | CYASSL_OCSP_URL_OVERRIDE); } else CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE); } #endif #ifdef HAVE_PK_CALLBACKS if (pkCallbacks) SetupPkCallbacks(ctx, ssl); #endif if (resume < 2) { /* do listen and accept */ tcp_accept(&sockfd, &clientfd, (func_args*)args, port, useAnyAddr, doDTLS, serverReadyFile); } SSL_set_fd(ssl, clientfd); #ifdef HAVE_ALPN if (alpnList != NULL) { printf("ALPN accepted protocols list : %s\n", alpnList); wolfSSL_UseALPN(ssl, alpnList, (word32)XSTRLEN(alpnList), alpn_opt); } #endif #ifdef WOLFSSL_DTLS if (doDTLS) { SOCKADDR_IN_T cliaddr; byte b[1500]; int n; socklen_t len = sizeof(cliaddr); /* For DTLS, peek at the next datagram so we can get the client's * address and set it into the ssl object later to generate the * cookie. */ n = (int)recvfrom(sockfd, (char*)b, sizeof(b), MSG_PEEK, (struct sockaddr*)&cliaddr, &len); if (n <= 0) err_sys("recvfrom failed"); wolfSSL_dtls_set_peer(ssl, &cliaddr, len); } #endif if (usePsk == 0 || useAnon == 1 || cipherList != NULL || needDH == 1) { #if !defined(NO_FILESYSTEM) && !defined(NO_DH) && !defined(NO_ASN) CyaSSL_SetTmpDH_file(ssl, ourDhParam, SSL_FILETYPE_PEM); #elif !defined(NO_DH) SetDH(ssl); /* repick suites with DHE, higher priority than PSK */ #endif } #ifndef CYASSL_CALLBACKS if (nonBlocking) { CyaSSL_set_using_nonblock(ssl, 1); tcp_set_nonblocking(&clientfd); NonBlockingSSL_Accept(ssl); } else if (SSL_accept(ssl) != SSL_SUCCESS) { int err = SSL_get_error(ssl, 0); char buffer[CYASSL_MAX_ERROR_SZ]; printf("error = %d, %s\n", err, ERR_error_string(err, buffer)); err_sys("SSL_accept failed"); } #else NonBlockingSSL_Accept(ssl); #endif showPeer(ssl); #ifdef HAVE_ALPN if (alpnList != NULL) { int err; char *protocol_name = NULL; word16 protocol_nameSz = 0; err = wolfSSL_ALPN_GetProtocol(ssl, &protocol_name, &protocol_nameSz); if (err == SSL_SUCCESS) printf("Sent ALPN protocol : %s (%d)\n", protocol_name, protocol_nameSz); else if (err == SSL_ALPN_NOT_FOUND) printf("No ALPN response sent (no match)\n"); else printf("Getting ALPN protocol name failed\n"); } #endif idx = SSL_read(ssl, input, sizeof(input)-1); if (idx > 0) { input[idx] = 0; printf("Client message: %s\n", input); } else if (idx < 0) { int readErr = SSL_get_error(ssl, 0); if (readErr != SSL_ERROR_WANT_READ) err_sys("SSL_read failed"); } if (SSL_write(ssl, msg, sizeof(msg)) != sizeof(msg)) err_sys("SSL_write failed"); #if defined(WOLFSSL_MDK_SHELL) && defined(HAVE_MDK_RTX) os_dly_wait(500) ; #elif defined (CYASSL_TIRTOS) Task_yield(); #endif if (doDTLS == 0) { ret = SSL_shutdown(ssl); if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE) SSL_shutdown(ssl); /* bidirectional shutdown */ } SSL_free(ssl); if (resume == 1) { CloseSocket(clientfd); resume++; /* only do one resume for testing */ continue; } break; /* out of while loop, done with normal and resume option */ } SSL_CTX_free(ctx); CloseSocket(clientfd); CloseSocket(sockfd); ((func_args*)args)->return_code = 0; #if defined(NO_MAIN_DRIVER) && defined(HAVE_ECC) && defined(FP_ECC) \ && defined(HAVE_THREAD_LS) ecc_fp_free(); /* free per thread cache */ #endif #ifdef USE_WOLFSSL_MEMORY if (trackMemory) ShowMemoryTracker(); #endif #ifdef CYASSL_TIRTOS fdCloseSession(Task_self()); #endif #if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \ defined(HAVE_POLY1305) TicketCleanup(); #endif #ifndef CYASSL_TIRTOS return 0; #endif }
bud_error_t bud_config_new_ssl_ctx(bud_config_t* config, bud_context_t* context) { SSL_CTX* ctx; int ecdh_nid; EC_KEY* ecdh; bud_error_t err; int options; int r; const char* ticket_key; size_t max_len; if (context->backend != NULL) { if (context->backend->keepalive == -1) context->backend->keepalive = kBudDefaultKeepalive; r = bud_config_str_to_addr(context->backend->host, context->backend->port, &context->backend->addr); if (r != 0) return bud_error_num(kBudErrPton, r); } /* Decode ticket_key */ ticket_key = context->ticket_key == NULL ? config->frontend.ticket_key : context->ticket_key; if (ticket_key != NULL) { max_len = sizeof(context->ticket_key_storage); if (bud_base64_decode(context->ticket_key_storage, max_len, ticket_key, strlen(ticket_key)) < max_len) { return bud_error(kBudErrSmallTicketKey); } } /* Choose method, tlsv1_2 by default */ if (config->frontend.method == NULL) { if (strcmp(config->frontend.security, "tls1.1") == 0) config->frontend.method = TLSv1_1_server_method(); else if (strcmp(config->frontend.security, "tls1.0") == 0) config->frontend.method = TLSv1_server_method(); else if (strcmp(config->frontend.security, "tls1.2") == 0) config->frontend.method = TLSv1_2_server_method(); else if (strcmp(config->frontend.security, "ssl3") == 0) config->frontend.method = SSLv3_server_method(); else config->frontend.method = SSLv23_server_method(); } ctx = SSL_CTX_new(config->frontend.method); if (ctx == NULL) return bud_error_str(kBudErrNoMem, "SSL_CTX"); /* Disable sessions, they won't work with cluster anyway */ SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); if (config->frontend.max_send_fragment) SSL_CTX_set_max_send_fragment(ctx, config->frontend.max_send_fragment); if (ticket_key != NULL) { SSL_CTX_set_tlsext_ticket_keys(ctx, context->ticket_key_storage, sizeof(context->ticket_key_storage)); } /* ECDH curve selection */ if (context->ecdh != NULL || config->frontend.ecdh != NULL) { if (context->ecdh != NULL) ecdh_nid = OBJ_sn2nid(context->ecdh); else ecdh_nid = OBJ_sn2nid(config->frontend.ecdh); if (ecdh_nid == NID_undef) { ecdh = NULL; err = bud_error_str(kBudErrECDHNotFound, context->ecdh == NULL ? config->frontend.ecdh : context->ecdh); goto fatal; } ecdh = EC_KEY_new_by_curve_name(ecdh_nid); if (ecdh == NULL) { err = bud_error_str(kBudErrNoMem, "EC_KEY"); goto fatal; } SSL_CTX_set_options(ctx, SSL_OP_SINGLE_ECDH_USE); SSL_CTX_set_tmp_ecdh(ctx, ecdh); EC_KEY_free(ecdh); } ecdh = NULL; /* Cipher suites */ if (context->ciphers != NULL) SSL_CTX_set_cipher_list(ctx, context->ciphers); else if (config->frontend.ciphers != NULL) SSL_CTX_set_cipher_list(ctx, config->frontend.ciphers); /* Disable SSL2 */ options = SSL_OP_NO_SSLv2 | SSL_OP_ALL; if (!config->frontend.ssl3) options |= SSL_OP_NO_SSLv3; if (config->frontend.server_preference) options |= SSL_OP_CIPHER_SERVER_PREFERENCE; SSL_CTX_set_options(ctx, options); #ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB if (config->context_count != 0) { SSL_CTX_set_tlsext_servername_callback(ctx, bud_config_select_sni_context); SSL_CTX_set_tlsext_servername_arg(ctx, config); } #endif /* SSL_CTRL_SET_TLSEXT_SERVERNAME_CB */ #ifdef OPENSSL_NPN_NEGOTIATED context->npn_line = bud_config_encode_npn(config, context->npn, &context->npn_line_len, &err); if (!bud_is_ok(err)) goto fatal; if (context->npn_line != NULL) { SSL_CTX_set_next_protos_advertised_cb(ctx, bud_config_advertise_next_proto, context); } #else /* !OPENSSL_NPN_NEGOTIATED */ err = bud_error(kBudErrNPNNotSupported); goto fatal; #endif /* OPENSSL_NPN_NEGOTIATED */ SSL_CTX_set_tlsext_status_cb(ctx, bud_client_stapling_cb); context->ctx = ctx; return bud_ok(); fatal: if (ecdh != NULL) EC_KEY_free(ecdh); SSL_CTX_free(ctx); return err; }
ctx * ctx_init(const char *tls, const char *enc, const char *dec) { AUTO(EVP_PKEY, prv); AUTO(FILE, file); AUTO(ctx, ctx); if (tls == NULL || enc == NULL || dec == NULL) return NULL; ctx = OPENSSL_malloc(sizeof(*ctx)); if (ctx == NULL) return NULL; memset(ctx, 0, sizeof(*ctx)); ctx->ctx = SSL_CTX_new(TLSv1_2_server_method()); if (ctx->ctx == NULL) return NULL; if (SSL_CTX_use_certificate_chain_file(ctx->ctx, tls) <= 0) return NULL; prv = load_prv(tls); if (prv == NULL) return NULL; if (SSL_CTX_use_PrivateKey(ctx->ctx, prv) <= 0) return NULL; file = fopen(enc, "r"); if (file == NULL) return NULL; ctx->crt = sk_X509_new_null(); if (ctx->crt == NULL) return NULL; if (!deo_load(file, ctx->crt)) return NULL; ctx->dec = load_decryption_certs_keys(dec); if (ctx->dec == NULL) return NULL; /* Check to ensure that the TLS connection key is not also listed * in the decryption keys. This prevents an attack where, upon * misconfiguration, this service could be used to decrypt its own * traffic. */ for (int i = 0; i < sk_X509_INFO_num(ctx->dec); i++) { X509_INFO *info = sk_X509_INFO_value(ctx->dec, i); if (info->x_pkey == NULL) continue; if (EVP_PKEY_cmp(prv, info->x_pkey->dec_pkey) == 1) { fprintf(stderr, "TLS private key is exposed!\n"); return NULL; } } return STEAL(ctx); }
THREAD_RETURN CYASSL_THREAD server_test(void* args) { SOCKET_T sockfd = 0; SOCKET_T clientfd = 0; SSL_METHOD* method = 0; SSL_CTX* ctx = 0; SSL* ssl = 0; char msg[] = "I hear you fa shizzle!"; char input[80]; int idx; int ch; int version = SERVER_DEFAULT_VERSION; int doCliCertCheck = 0; /* = 0 for no Realtime Clock environment */ int useAnyAddr = 0; word16 port = yasslPort; int usePsk = 0; int doDTLS = 0; int useNtruKey = 0; int nonBlocking = 0; int trackMemory = 0; int fewerPackets = 0; int pkCallbacks = 0; char* cipherList = NULL; char* verifyCert = (char*)cliCert; char* ourCert = (char*)svrCert; char* ourKey = (char*)svrKey; int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; #ifdef HAVE_SNI char* sniHostName = NULL; #endif #ifdef HAVE_OCSP int useOcsp = 0; char* ocspUrl = NULL; #endif ((func_args*)args)->return_code = -1; /* error state */ #ifdef NO_RSA verifyCert = (char*)cliEccCert; ourCert = (char*)eccCert; ourKey = (char*)eccKey; #endif (void)trackMemory; (void)pkCallbacks; while ((ch = mygetopt(argc, argv, "?dbstnNufPp:v:l:A:c:k:S:oO:")) != -1) { switch (ch) { case '?' : Usage(); exit(EXIT_SUCCESS); case 'd' : doCliCertCheck = 0; break; case 'b' : useAnyAddr = 1; break; case 's' : usePsk = 1; break; case 't' : #ifdef USE_CYASSL_MEMORY trackMemory = 1; #endif break; case 'n' : useNtruKey = 1; break; case 'u' : doDTLS = 1; break; case 'f' : fewerPackets = 1; break; case 'P' : #ifdef HAVE_PK_CALLBACKS pkCallbacks = 1; #endif break; case 'p' : port = (word16)atoi(myoptarg); #if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API) if (port == 0) err_sys("port number cannot be 0"); #endif break; case 'v' : version = atoi(myoptarg); if (version < 0 || version > 3) { Usage(); exit(MY_EX_USAGE); } break; case 'l' : cipherList = myoptarg; break; case 'A' : verifyCert = myoptarg; break; case 'c' : ourCert = myoptarg; break; case 'k' : ourKey = myoptarg; break; case 'N': nonBlocking = 1; break; case 'S' : #ifdef HAVE_SNI sniHostName = myoptarg; #endif break; case 'o' : #ifdef HAVE_OCSP useOcsp = 1; #endif break; case 'O' : #ifdef HAVE_OCSP useOcsp = 1; ocspUrl = myoptarg; #endif break; default: Usage(); exit(MY_EX_USAGE); } } myoptind = 0; /* reset for test cases */ /* sort out DTLS versus TLS versions */ if (version == CLIENT_INVALID_VERSION) { if (doDTLS) version = CLIENT_DTLS_DEFAULT_VERSION; else version = CLIENT_DEFAULT_VERSION; } else { if (doDTLS) { if (version == 3) version = -2; else version = -1; } } #ifdef USE_CYASSL_MEMORY if (trackMemory) InitMemoryTracker(); #endif switch (version) { #ifndef NO_OLD_TLS case 0: method = SSLv3_server_method(); break; #ifndef NO_TLS case 1: method = TLSv1_server_method(); break; case 2: method = TLSv1_1_server_method(); break; #endif #endif #ifndef NO_TLS case 3: method = TLSv1_2_server_method(); break; #endif #ifdef CYASSL_DTLS case -1: method = DTLSv1_server_method(); break; case -2: method = DTLSv1_2_server_method(); break; #endif default: err_sys("Bad SSL version"); } if (method == NULL) err_sys("unable to get method"); ctx = SSL_CTX_new(method); if (ctx == NULL) err_sys("unable to get ctx"); if (cipherList) if (SSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 1"); #ifdef CYASSL_LEANPSK usePsk = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) usePsk = 1; #endif if (fewerPackets) CyaSSL_CTX_set_group_messages(ctx); #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (!usePsk) { if (SSL_CTX_use_certificate_file(ctx, ourCert, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, check file and run from" " CyaSSL home dir"); } #endif #ifdef HAVE_NTRU if (useNtruKey) { if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ourKey) != SSL_SUCCESS) err_sys("can't load ntru key file, " "Please run from CyaSSL home dir"); } #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (!useNtruKey && !usePsk) { if (SSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server private key file, check file and run " "from CyaSSL home dir"); } #endif if (usePsk) { #ifndef NO_PSK SSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); SSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); if (cipherList == NULL) { const char *defaultCipherList; #ifdef HAVE_NULL_CIPHER defaultCipherList = "PSK-NULL-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (SSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 2"); } #endif } #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) /* if not using PSK, verify peer with certs */ if (doCliCertCheck && usePsk == 0) { SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,0); if (SSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS) err_sys("can't load ca file, Please run from CyaSSL home dir"); } #endif #if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC) /* don't use EDH, can't sniff tmp keys */ if (cipherList == NULL) { if (SSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) err_sys("server can't set cipher list 3"); } #endif #ifdef HAVE_SNI if (sniHostName) if (CyaSSL_CTX_UseSNI(ctx, CYASSL_SNI_HOST_NAME, sniHostName, XSTRLEN(sniHostName)) != SSL_SUCCESS) err_sys("UseSNI failed"); #endif ssl = SSL_new(ctx); if (ssl == NULL) err_sys("unable to get SSL"); #ifdef HAVE_CRL CyaSSL_EnableCRL(ssl, 0); CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, CYASSL_CRL_MONITOR | CYASSL_CRL_START_MON); CyaSSL_SetCRL_Cb(ssl, CRL_CallBack); #endif #ifdef HAVE_OCSP if (useOcsp) { if (ocspUrl != NULL) { CyaSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl); CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE | CYASSL_OCSP_URL_OVERRIDE); } else CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE); } #endif #ifdef HAVE_PK_CALLBACKS if (pkCallbacks) SetupPkCallbacks(ctx, ssl); #endif tcp_accept(&sockfd, &clientfd, (func_args*)args, port, useAnyAddr, doDTLS, 0); if (!doDTLS) CloseSocket(sockfd); SSL_set_fd(ssl, clientfd); if (usePsk == 0) { #if !defined(NO_FILESYSTEM) && defined(OPENSSL_EXTRA) CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM); #elif !defined(NO_CERTS) SetDH(ssl); /* repick suites with DHE, higher priority than PSK */ #endif } #ifndef CYASSL_CALLBACKS if (nonBlocking) { CyaSSL_set_using_nonblock(ssl, 1); tcp_set_nonblocking(&clientfd); NonBlockingSSL_Accept(ssl); } else if (SSL_accept(ssl) != SSL_SUCCESS) { int err = SSL_get_error(ssl, 0); char buffer[CYASSL_MAX_ERROR_SZ]; printf("error = %d, %s\n", err, ERR_error_string(err, buffer)); err_sys("SSL_accept failed"); } #else NonBlockingSSL_Accept(ssl); #endif showPeer(ssl); idx = SSL_read(ssl, input, sizeof(input)-1); if (idx > 0) { input[idx] = 0; printf("Client message: %s\n", input); } else if (idx < 0) { int readErr = SSL_get_error(ssl, 0); if (readErr != SSL_ERROR_WANT_READ) err_sys("SSL_read failed"); } if (SSL_write(ssl, msg, sizeof(msg)) != sizeof(msg)) err_sys("SSL_write failed"); #if defined(CYASSL_MDK_SHELL) && defined(HAVE_MDK_RTX) os_dly_wait(500) ; #endif SSL_shutdown(ssl); SSL_free(ssl); SSL_CTX_free(ctx); CloseSocket(clientfd); ((func_args*)args)->return_code = 0; #ifdef USE_CYASSL_MEMORY if (trackMemory) ShowMemoryTracker(); #endif /* USE_CYASSL_MEMORY */ return 0; }
static const SSL_METHOD *get_method(int protocol, int type) { const SSL_METHOD *method = NULL; caml_enter_blocking_section(); switch (protocol) { case 0: switch (type) { case 0: method = SSLv23_client_method(); break; case 1: method = SSLv23_server_method(); break; case 2: method = SSLv23_method(); break; } break; case 1: switch (type) { case 0: method = SSLv3_client_method(); break; case 1: method = SSLv3_server_method(); break; case 2: method = SSLv3_method(); break; } break; case 2: switch (type) { case 0: method = TLSv1_client_method(); break; case 1: method = TLSv1_server_method(); break; case 2: method = TLSv1_method(); break; } break; case 3: #ifdef HAVE_TLS11 switch (type) { case 0: method = TLSv1_1_client_method(); break; case 1: method = TLSv1_1_server_method(); break; case 2: method = TLSv1_1_method(); break; } #endif break; case 4: #ifdef HAVE_TLS12 switch (type) { case 0: method = TLSv1_2_client_method(); break; case 1: method = TLSv1_2_server_method(); break; case 2: method = TLSv1_2_method(); break; } #endif break; default: caml_leave_blocking_section(); caml_invalid_argument("Unknown method (this should not have happened, please report)."); break; } caml_leave_blocking_section(); if (method == NULL) caml_raise_constant(*caml_named_value("ssl_exn_method_error")); return method; }
LWS_VISIBLE int lws_context_init_server_ssl(struct lws_context_creation_info *info, struct lws_vhost *vhost) { struct lws_context *context = vhost->context; struct lws wsi; unsigned long error; int n; if (!lws_check_opt(info->options, LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT)) { vhost->use_ssl = 0; return 0; } /* * If he is giving a cert filepath, take it as a sign he wants to use * it on this vhost. User code can leave the cert filepath NULL and * set the LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX option itself, in * which case he's expected to set up the cert himself at * LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS, which * provides the vhost SSL_CTX * in the user parameter. */ if (info->ssl_cert_filepath) info->options |= LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX; if (info->port != CONTEXT_PORT_NO_LISTEN) { vhost->use_ssl = lws_check_opt(info->options, LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX); if (vhost->use_ssl && info->ssl_cipher_list) lwsl_notice(" SSL ciphers: '%s'\n", info->ssl_cipher_list); if (vhost->use_ssl) lwsl_notice(" Using SSL mode\n"); else lwsl_notice(" Using non-SSL mode\n"); } /* * give him a fake wsi with context + vhost set, so he can use * lws_get_context() in the callback */ memset(&wsi, 0, sizeof(wsi)); wsi.vhost = vhost; wsi.context = context; (void)n; (void)error; /* * Firefox insists on SSLv23 not SSLv3 * Konq disables SSLv2 by default now, SSLv23 works * * SSLv23_server_method() is the openssl method for "allow all TLS * versions", compared to e.g. TLSv1_2_server_method() which only allows * tlsv1.2. Unwanted versions must be disabled using SSL_CTX_set_options() */ #if !defined(LWS_USE_MBEDTLS) { SSL_METHOD *method; method = (SSL_METHOD *)SSLv23_server_method(); if (!method) { error = ERR_get_error(); lwsl_err("problem creating ssl method %lu: %s\n", error, ERR_error_string(error, (char *)context->pt[0].serv_buf)); return 1; } vhost->ssl_ctx = SSL_CTX_new(method); /* create context */ if (!vhost->ssl_ctx) { error = ERR_get_error(); lwsl_err("problem creating ssl context %lu: %s\n", error, ERR_error_string(error, (char *)context->pt[0].serv_buf)); return 1; } } #else { const SSL_METHOD *method = TLSv1_2_server_method(); vhost->ssl_ctx = SSL_CTX_new(method); /* create context */ if (!vhost->ssl_ctx) { lwsl_err("problem creating ssl context\n"); return 1; } } #endif #if !defined(LWS_USE_MBEDTLS) /* associate the lws context with the SSL_CTX */ SSL_CTX_set_ex_data(vhost->ssl_ctx, openssl_SSL_CTX_private_data_index, (char *)vhost->context); /* Disable SSLv2 and SSLv3 */ SSL_CTX_set_options(vhost->ssl_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3); #ifdef SSL_OP_NO_COMPRESSION SSL_CTX_set_options(vhost->ssl_ctx, SSL_OP_NO_COMPRESSION); #endif SSL_CTX_set_options(vhost->ssl_ctx, SSL_OP_SINGLE_DH_USE); SSL_CTX_set_options(vhost->ssl_ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); if (info->ssl_cipher_list) SSL_CTX_set_cipher_list(vhost->ssl_ctx, info->ssl_cipher_list); #endif /* as a server, are we requiring clients to identify themselves? */ if (lws_check_opt(info->options, LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT)) { int verify_options = SSL_VERIFY_PEER; if (!lws_check_opt(info->options, LWS_SERVER_OPTION_PEER_CERT_NOT_REQUIRED)) verify_options |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT; #if !defined(LWS_USE_MBEDTLS) SSL_CTX_set_session_id_context(vhost->ssl_ctx, (unsigned char *)context, sizeof(void *)); /* absolutely require the client cert */ SSL_CTX_set_verify(vhost->ssl_ctx, verify_options, OpenSSL_verify_callback); #endif } #if !defined(LWS_USE_MBEDTLS) && !defined(OPENSSL_NO_TLSEXT) SSL_CTX_set_tlsext_servername_callback(vhost->ssl_ctx, lws_ssl_server_name_cb); #endif /* * give user code a chance to load certs into the server * allowing it to verify incoming client certs */ #if !defined(LWS_USE_MBEDTLS) if (info->ssl_ca_filepath && !SSL_CTX_load_verify_locations(vhost->ssl_ctx, info->ssl_ca_filepath, NULL)) { lwsl_err("%s: SSL_CTX_load_verify_locations unhappy\n", __func__); } #endif if (vhost->use_ssl) { if (lws_context_ssl_init_ecdh_curve(info, vhost)) return -1; vhost->protocols[0].callback(&wsi, LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS, vhost->ssl_ctx, NULL, 0); } if (lws_check_opt(info->options, LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT)) /* Normally SSL listener rejects non-ssl, optionally allow */ vhost->allow_non_ssl_on_ssl_port = 1; if (info->ssl_options_set) SSL_CTX_set_options(vhost->ssl_ctx, info->ssl_options_set); /* SSL_clear_options introduced in 0.9.8m */ #if !defined(LWS_USE_MBEDTLS) #if (OPENSSL_VERSION_NUMBER >= 0x009080df) && !defined(USE_WOLFSSL) if (info->ssl_options_clear) SSL_CTX_clear_options(vhost->ssl_ctx, info->ssl_options_clear); #endif #endif lwsl_info(" SSL options 0x%lX\n", SSL_CTX_get_options(vhost->ssl_ctx)); if (vhost->use_ssl && info->ssl_cert_filepath) { /* * The user code can choose to either pass the cert and * key filepaths using the info members like this, or it can * leave them NULL; force the vhost SSL_CTX init using the info * options flag LWS_SERVER_OPTION_CREATE_VHOST_SSL_CTX; and * set up the cert himself using the user callback * LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS, which * happened just above and has the vhost SSL_CTX * in the user * parameter. */ #if !defined(LWS_USE_MBEDTLS) /* set the local certificate from CertFile */ n = SSL_CTX_use_certificate_chain_file(vhost->ssl_ctx, info->ssl_cert_filepath); if (n != 1) { error = ERR_get_error(); lwsl_err("problem getting cert '%s' %lu: %s\n", info->ssl_cert_filepath, error, ERR_error_string(error, (char *)context->pt[0].serv_buf)); return 1; } lws_ssl_bind_passphrase(vhost->ssl_ctx, info); #else uint8_t *p; lws_filepos_t flen; int err; if (alloc_pem_to_der_file(vhost->context, info->ssl_cert_filepath, &p, &flen)) { lwsl_err("couldn't find cert file %s\n", info->ssl_cert_filepath); return 1; } err = SSL_CTX_use_certificate_ASN1(vhost->ssl_ctx, flen, p); if (!err) { lwsl_err("Problem loading cert\n"); return 1; } #if !defined(LWS_WITH_ESP32) free(p); p = NULL; #endif if (alloc_pem_to_der_file(vhost->context, info->ssl_private_key_filepath, &p, &flen)) { lwsl_err("couldn't find cert file %s\n", info->ssl_cert_filepath); return 1; } err = SSL_CTX_use_PrivateKey_ASN1(0, vhost->ssl_ctx, p, flen); if (!err) { lwsl_err("Problem loading key\n"); return 1; } #if !defined(LWS_WITH_ESP32) free(p); p = NULL; #endif #endif if (info->ssl_private_key_filepath != NULL) { #if !defined(LWS_USE_MBEDTLS) /* set the private key from KeyFile */ if (SSL_CTX_use_PrivateKey_file(vhost->ssl_ctx, info->ssl_private_key_filepath, SSL_FILETYPE_PEM) != 1) { error = ERR_get_error(); lwsl_err("ssl problem getting key '%s' %lu: %s\n", info->ssl_private_key_filepath, error, ERR_error_string(error, (char *)context->pt[0].serv_buf)); return 1; } #endif } else if (vhost->protocols[0].callback(&wsi, LWS_CALLBACK_OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY, vhost->ssl_ctx, NULL, 0)) { lwsl_err("ssl private key not set\n"); return 1; } #if !defined(LWS_USE_MBEDTLS) /* verify private key */ if (!SSL_CTX_check_private_key(vhost->ssl_ctx)) { lwsl_err("Private SSL key doesn't match cert\n"); return 1; } #endif } if (vhost->use_ssl) { if (lws_context_ssl_init_ecdh(vhost)) return 1; /* * SSL is happy and has a cert it's content with * If we're supporting HTTP2, initialize that */ lws_context_init_http2_ssl(vhost); } return 0; }
void enclave_main() { SSL_METHOD *method; SSL_CTX *ctx; BIO *bio_cert; BIO *bio_pkey; X509 *cert = NULL; EVP_PKEY *pkey = NULL; int port = 5566; int srvr_fd; int clnt_fd; struct sockaddr_in addr; // Initialize ssl SSL_library_init(); // Initialize ctx OpenSSL_add_all_algorithms(); method = TLSv1_2_server_method(); ctx = SSL_CTX_new(method); // Load certificate bio_cert = BIO_new(BIO_s_mem()); BIO_puts(bio_cert, cert_s); cert = PEM_read_bio_X509(bio_cert, NULL, 0, NULL); if (cert == NULL) { sgx_debug("cert is NULL"); } else { sgx_debug("cert is not NULL"); } bio_pkey = BIO_new(BIO_s_mem()); BIO_puts(bio_pkey, pkey_s); pkey = PEM_read_bio_PrivateKey(bio_pkey, NULL, 0, NULL); if (pkey == NULL) { sgx_debug("key is NULL\n"); } else { sgx_debug("key is not NULL\n"); } if (SSL_CTX_use_certificate(ctx, cert) <= 0) { sgx_debug("SSL_CTX_use_certificate failed\n"); //sgx_exit(NULL); } else { sgx_debug("SSL_CTX_use_certificate succeeded\n"); } if (SSL_CTX_use_PrivateKey(ctx, pkey) <= 0) { sgx_debug("SSL_CTX_use_PrivateKey failed\n"); //sgx_exit(NULL); } else { sgx_debug("SSL_CTX_use_PrivateKey succeeded\n"); } SSL_CTX_set_ecdh_auto(ctx, 1); SSL_CTX_set_options(ctx, SSL_OP_SINGLE_ECDH_USE); srvr_fd = sgx_socket(PF_INET, SOCK_STREAM, 0); if (srvr_fd == -1) { sgx_exit(NULL); } sgx_memset(&addr, 0, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = sgx_htons(port); addr.sin_addr.s_addr = INADDR_ANY; if (sgx_bind(srvr_fd, (struct sockaddr *)&addr, sizeof(addr)) != 0) { sgx_exit(NULL); } if (sgx_listen(srvr_fd, 10) != 0) { sgx_exit(NULL); } while (1) { struct sockaddr_in addr; socklen_t len = sizeof(addr); SSL *ssl; int sd; int bytes; char buf[256]; const char* echo="<html><body><pre>%s</pre></body></html>\n\n"; clnt_fd = sgx_accept(srvr_fd, (struct sockaddr *)&addr, &len); if (clnt_fd < 0) { sgx_puts("ERROR on accept\n"); continue; } ssl = SSL_new(ctx); SSL_set_fd(ssl, clnt_fd); if (SSL_accept(ssl) == -1) sgx_puts("SSL accept failed\n"); else { sgx_puts("SSL accept succeeded\n"); bytes = SSL_read(ssl, buf, sizeof(buf)); if (bytes > 0) { buf[bytes] = 0; sgx_puts(buf); char msg[] = "Successfully connected\n"; SSL_write(ssl, msg, sgx_strlen(msg)); } } sd = SSL_get_fd(ssl); //SSL_free(ssl); sgx_close(sd); //sgx_close(clnt_fd); } sgx_close(srvr_fd); sgx_exit(NULL); }