THREAD_RETURN CYASSL_THREAD echoserver_test(void* args) { SOCKET_T sockfd = 0; CYASSL_METHOD* method = 0; CYASSL_CTX* ctx = 0; int ret = 0; int doDTLS = 0; int doPSK = 0; int outCreated = 0; int shutDown = 0; int useAnyAddr = 0; word16 port; int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; #ifdef ECHO_OUT FILE* fout = stdout; if (argc >= 2) { fout = fopen(argv[1], "w"); outCreated = 1; } if (!fout) err_sys("can't open output file"); #endif (void)outCreated; (void)argc; (void)argv; ((func_args*)args)->return_code = -1; /* error state */ #ifdef CYASSL_DTLS doDTLS = 1; #endif #ifdef CYASSL_LEANPSK doPSK = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) doPSK = 1; #endif #if defined(NO_MAIN_DRIVER) && !defined(CYASSL_SNIFFER) && \ !defined(WOLFSSL_MDK_SHELL) && !defined(CYASSL_TIRTOS) && \ !defined(USE_WINDOWS_API) /* Let tcp_listen assign port */ port = 0; #else /* Use default port */ port = wolfSSLPort; #endif #if defined(USE_ANY_ADDR) useAnyAddr = 1; #endif #ifdef CYASSL_TIRTOS fdOpenSession(Task_self()); #endif tcp_listen(&sockfd, &port, useAnyAddr, doDTLS, 0); #if defined(CYASSL_DTLS) method = CyaDTLSv1_2_server_method(); #elif !defined(NO_TLS) method = CyaSSLv23_server_method(); #elif defined(WOLFSSL_ALLOW_SSLV3) method = CyaSSLv3_server_method(); #else #error "no valid server method built in" #endif ctx = CyaSSL_CTX_new(method); /* CyaSSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); */ #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #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 #ifndef NO_FILESYSTEM if (doPSK == 0) { #if defined(HAVE_NTRU) && defined(WOLFSSL_STATIC_RSA) /* ntru */ if (CyaSSL_CTX_use_certificate_file(ctx, ntruCertFile, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load ntru cert file, " "Please run from wolfSSL home dir"); if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKeyFile) != SSL_SUCCESS) err_sys("can't load ntru key file, " "Please run from wolfSSL home dir"); #elif defined(HAVE_ECC) && !defined(CYASSL_SNIFFER) /* ecc */ if (CyaSSL_CTX_use_certificate_file(ctx, eccCertFile, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, " "Please run from wolfSSL home dir"); if (CyaSSL_CTX_use_PrivateKey_file(ctx, eccKeyFile, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server key file, " "Please run from wolfSSL home dir"); #elif defined(NO_CERTS) /* do nothing, just don't load cert files */ #else /* normal */ if (CyaSSL_CTX_use_certificate_file(ctx, svrCertFile, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, " "Please run from wolfSSL home dir"); if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKeyFile, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server key file, " "Please run from wolfSSL home dir"); #endif } /* doPSK */ #elif !defined(NO_CERTS) if (!doPSK) { load_buffer(ctx, svrCertFile, WOLFSSL_CERT); load_buffer(ctx, svrKeyFile, WOLFSSL_KEY); } #endif #if defined(CYASSL_SNIFFER) /* don't use EDH, can't sniff tmp keys */ CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA"); #endif if (doPSK) { #ifndef NO_PSK const char *defaultCipherList; CyaSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); CyaSSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); #ifdef HAVE_NULL_CIPHER defaultCipherList = "PSK-NULL-SHA256"; #elif defined(HAVE_AESGCM) && !defined(NO_DH) defaultCipherList = "DHE-PSK-AES128-GCM-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (CyaSSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 2"); #endif } #ifdef WOLFSSL_ASYNC_CRYPT ret = wolfAsync_DevOpen(&devId); if (ret != 0) { err_sys("Async device open failed"); } wolfSSL_CTX_UseAsync(ctx, devId); #endif /* WOLFSSL_ASYNC_CRYPT */ SignalReady(args, port); while (!shutDown) { CYASSL* ssl = NULL; CYASSL* write_ssl = NULL; /* may have separate w/ HAVE_WRITE_DUP */ char command[SVR_COMMAND_SIZE+1]; int echoSz = 0; int clientfd; int firstRead = 1; int gotFirstG = 0; int err = 0; SOCKADDR_IN_T client; socklen_t client_len = sizeof(client); #ifndef CYASSL_DTLS clientfd = accept(sockfd, (struct sockaddr*)&client, (ACCEPT_THIRD_T)&client_len); #else clientfd = sockfd; { /* 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. */ int n; byte b[1500]; n = (int)recvfrom(clientfd, (char*)b, sizeof(b), MSG_PEEK, (struct sockaddr*)&client, &client_len); if (n <= 0) err_sys("recvfrom failed"); } #endif if (WOLFSSL_SOCKET_IS_INVALID(clientfd)) err_sys("tcp accept failed"); ssl = CyaSSL_new(ctx); if (ssl == NULL) err_sys("SSL_new failed"); CyaSSL_set_fd(ssl, clientfd); #ifdef CYASSL_DTLS wolfSSL_dtls_set_peer(ssl, &client, client_len); #endif #if !defined(NO_FILESYSTEM) && !defined(NO_DH) && !defined(NO_ASN) CyaSSL_SetTmpDH_file(ssl, dhParamFile, SSL_FILETYPE_PEM); #elif !defined(NO_DH) SetDH(ssl); /* will repick suites with DHE, higher than PSK */ #endif do { #ifdef WOLFSSL_ASYNC_CRYPT if (err == WC_PENDING_E) { ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW); if (ret < 0) { break; } else if (ret == 0) { continue; } } #endif err = 0; /* Reset error */ ret = CyaSSL_accept(ssl); if (ret != SSL_SUCCESS) { err = CyaSSL_get_error(ssl, 0); } } while (ret != SSL_SUCCESS && err == WC_PENDING_E); if (ret != SSL_SUCCESS) { char buffer[CYASSL_MAX_ERROR_SZ]; err = CyaSSL_get_error(ssl, 0); printf("error = %d, %s\n", err, CyaSSL_ERR_error_string(err, buffer)); printf("SSL_accept failed\n"); CyaSSL_free(ssl); CloseSocket(clientfd); continue; } #if defined(PEER_INFO) showPeer(ssl); #endif #ifdef HAVE_WRITE_DUP write_ssl = wolfSSL_write_dup(ssl); if (write_ssl == NULL) { printf("wolfSSL_write_dup failed\n"); CyaSSL_free(ssl); CloseSocket(clientfd); continue; } #else write_ssl = ssl; #endif while ( (echoSz = CyaSSL_read(ssl, command, sizeof(command)-1)) > 0) { if (firstRead == 1) { firstRead = 0; /* browser may send 1 byte 'G' to start */ if (echoSz == 1 && command[0] == 'G') { gotFirstG = 1; continue; } } else if (gotFirstG == 1 && strncmp(command, "ET /", 4) == 0) { strncpy(command, "GET", 4); /* fall through to normal GET */ } if ( strncmp(command, "quit", 4) == 0) { printf("client sent quit command: shutting down!\n"); shutDown = 1; break; } if ( strncmp(command, "break", 5) == 0) { printf("client sent break command: closing session!\n"); break; } #ifdef PRINT_SESSION_STATS if ( strncmp(command, "printstats", 10) == 0) { CyaSSL_PrintSessionStats(); break; } #endif if ( strncmp(command, "GET", 3) == 0) { char type[] = "HTTP/1.0 200 ok\r\nContent-type:" " text/html\r\n\r\n"; char header[] = "<html><body BGCOLOR=\"#ffffff\">\n<pre>\n"; char body[] = "greetings from wolfSSL\n"; char footer[] = "</body></html>\r\n\r\n"; strncpy(command, type, sizeof(type)); echoSz = sizeof(type) - 1; strncpy(&command[echoSz], header, sizeof(header)); echoSz += (int)sizeof(header) - 1; strncpy(&command[echoSz], body, sizeof(body)); echoSz += (int)sizeof(body) - 1; strncpy(&command[echoSz], footer, sizeof(footer)); echoSz += (int)sizeof(footer); if (CyaSSL_write(write_ssl, command, echoSz) != echoSz) err_sys("SSL_write failed"); break; } command[echoSz] = 0; #ifdef ECHO_OUT fputs(command, fout); #endif if (CyaSSL_write(write_ssl, command, echoSz) != echoSz) err_sys("SSL_write failed"); } #ifndef CYASSL_DTLS CyaSSL_shutdown(ssl); #endif #ifdef HAVE_WRITE_DUP CyaSSL_free(write_ssl); #endif CyaSSL_free(ssl); CloseSocket(clientfd); #ifdef CYASSL_DTLS tcp_listen(&sockfd, &port, useAnyAddr, doDTLS, 0); SignalReady(args, port); #endif } CloseSocket(sockfd); CyaSSL_CTX_free(ctx); #ifdef ECHO_OUT if (outCreated) fclose(fout); #endif ((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 CYASSL_TIRTOS fdCloseSession(Task_self()); #endif #if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \ defined(HAVE_POLY1305) TicketCleanup(); #endif #ifdef WOLFSSL_ASYNC_CRYPT wolfAsync_DevClose(&devId); #endif #ifndef CYASSL_TIRTOS return 0; #endif }
int capwap_crypt_createcontext(struct capwap_dtls_context* dtlscontext, struct capwap_dtls_param* param) { ASSERT(dtlscontext != NULL); ASSERT(param != NULL); memset(dtlscontext, 0, sizeof(struct capwap_dtls_context)); dtlscontext->type = param->type; dtlscontext->mode = param->mode; /* Alloc context */ dtlscontext->sslcontext = (void*)CyaSSL_CTX_new(((param->type == CAPWAP_DTLS_SERVER) ? CyaDTLSv1_server_method() : CyaDTLSv1_client_method())); if (!dtlscontext->sslcontext) { capwap_logging_debug("Error to initialize dtls context"); return 0; } /* Set context IO */ CyaSSL_SetIORecv((CYASSL_CTX*)dtlscontext->sslcontext, capwap_bio_method_recv); CyaSSL_SetIOSend((CYASSL_CTX*)dtlscontext->sslcontext, capwap_bio_method_send); CyaSSL_CTX_SetGenCookie((CYASSL_CTX*)dtlscontext->sslcontext, capwap_crypt_createcookie); /* */ if (dtlscontext->mode == CAPWAP_DTLS_MODE_CERTIFICATE) { /* Check context */ if (!param->cert.filecert || !strlen(param->cert.filecert)) { capwap_logging_debug("Error, request certificate file"); capwap_crypt_freecontext(dtlscontext); return 0; } else if (!param->cert.filekey || !strlen(param->cert.filekey)) { capwap_logging_debug("Error, request privatekey file"); capwap_crypt_freecontext(dtlscontext); return 0; } else if (!param->cert.fileca || !strlen(param->cert.fileca)) { capwap_logging_debug("Error, request ca file"); capwap_crypt_freecontext(dtlscontext); return 0; } /* Public certificate */ if (!CyaSSL_CTX_use_certificate_file((CYASSL_CTX*)dtlscontext->sslcontext, param->cert.filecert, SSL_FILETYPE_PEM)) { capwap_logging_debug("Error to load certificate file"); capwap_crypt_freecontext(dtlscontext); return 0; } /* Private key */ if (!CyaSSL_CTX_use_PrivateKey_file((CYASSL_CTX*)dtlscontext->sslcontext, param->cert.filekey, SSL_FILETYPE_PEM)) { capwap_logging_debug("Error to load private key file"); capwap_crypt_freecontext(dtlscontext); return 0; } if (!CyaSSL_CTX_check_private_key((CYASSL_CTX*)dtlscontext->sslcontext)) { capwap_logging_debug("Error to check private key"); capwap_crypt_freecontext(dtlscontext); return 0; } /* Certificate Authority */ if (!CyaSSL_CTX_load_verify_locations((CYASSL_CTX*)dtlscontext->sslcontext, param->cert.fileca, NULL)) { capwap_logging_debug("Error to load ca file"); capwap_crypt_freecontext(dtlscontext); return 0; } /* Verify certificate callback */ CyaSSL_CTX_set_verify((CYASSL_CTX*)dtlscontext->sslcontext, ((param->type == CAPWAP_DTLS_SERVER) ? SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT : SSL_VERIFY_PEER), capwap_crypt_verifycertificate); /* Cipher list: TLS_RSA_WITH_AES_128_CBC_SHA TLS_DHE_RSA_WITH_AES_128_CBC_SHA TLS_RSA_WITH_AES_256_CBC_SHA TLS_DHE_RSA_WITH_AES_256_CBC_SHA */ if (!CyaSSL_CTX_set_cipher_list((CYASSL_CTX*)dtlscontext->sslcontext, "AES128-SHA:DHE-RSA-AES128-SHA:AES256-SHA:DHE-RSA-AES256-SHA")) { capwap_logging_debug("Error to select cipher list"); capwap_crypt_freecontext(dtlscontext); return 0; } } else if (dtlscontext->mode == CAPWAP_DTLS_MODE_PRESHAREDKEY) { /* Cipher list: TLS_PSK_WITH_AES_128_CBC_SHA TLS_DHE_PSK_WITH_AES_128_CBC_SHA TLS_PSK_WITH_AES_256_CBC_SHA TLS_DHE_PSK_WITH_AES_256_CBC_SHA */ if (!CyaSSL_CTX_set_cipher_list((CYASSL_CTX*)dtlscontext->sslcontext, "PSK-AES128-CBC-SHA:PSK-AES256-CBC-SHA")) { capwap_logging_debug("Error to select cipher list"); capwap_crypt_freecontext(dtlscontext); return 0; } /* */ if (dtlscontext->type == CAPWAP_DTLS_SERVER) { if (param->presharedkey.hint) { CyaSSL_CTX_use_psk_identity_hint((CYASSL_CTX*)dtlscontext->sslcontext, param->presharedkey.hint); } else { capwap_logging_debug("Error to presharedkey hint"); capwap_crypt_freecontext(dtlscontext); return 0; } } /* */ dtlscontext->presharedkey.identity = capwap_duplicate_string(param->presharedkey.identity); dtlscontext->presharedkey.pskkeylength = capwap_crypt_psk_to_bin(param->presharedkey.pskkey, &dtlscontext->presharedkey.pskkey); if (!dtlscontext->presharedkey.pskkeylength) { capwap_logging_debug("Error to presharedkey"); capwap_crypt_freecontext(dtlscontext); return 0; } /* */ if (dtlscontext->type == CAPWAP_DTLS_SERVER) { CyaSSL_CTX_set_psk_server_callback((CYASSL_CTX*)dtlscontext->sslcontext, capwap_crypt_psk_server); } else { CyaSSL_CTX_set_psk_client_callback((CYASSL_CTX*)dtlscontext->sslcontext, capwap_crypt_psk_client); } } else { capwap_logging_debug("Invalid DTLS mode"); capwap_crypt_freecontext(dtlscontext); return 0; } return 1; }
THREAD_RETURN CYASSL_THREAD echoserver_test(void* args) { SOCKET_T sockfd = 0; CYASSL_METHOD* method = 0; CYASSL_CTX* ctx = 0; int doDTLS = 0; int doPSK = 0; int outCreated = 0; int shutDown = 0; int useAnyAddr = 0; word16 port = yasslPort; int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; #ifdef ECHO_OUT FILE* fout = stdout; if (argc >= 2) { fout = fopen(argv[1], "w"); outCreated = 1; } if (!fout) err_sys("can't open output file"); #endif (void)outCreated; (void)argc; (void)argv; ((func_args*)args)->return_code = -1; /* error state */ #ifdef CYASSL_DTLS doDTLS = 1; #endif #ifdef CYASSL_LEANPSK doPSK = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) doPSK = 1; #endif #if defined(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API) && \ !defined(CYASSL_SNIFFER) && !defined(CYASSL_MDK_ARM) port = 0; #endif #if defined(USE_ANY_ADDR) useAnyAddr = 1; #endif tcp_listen(&sockfd, &port, useAnyAddr, doDTLS); #if defined(CYASSL_DTLS) method = CyaDTLSv1_server_method(); #elif !defined(NO_TLS) method = CyaSSLv23_server_method(); #else method = CyaSSLv3_server_method(); #endif ctx = CyaSSL_CTX_new(method); /* CyaSSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); */ #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) CyaSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #ifndef NO_FILESYSTEM if (doPSK == 0) { #ifdef HAVE_NTRU /* ntru */ if (CyaSSL_CTX_use_certificate_file(ctx, ntruCert, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load ntru cert file, " "Please run from CyaSSL home dir"); if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ntruKey) != SSL_SUCCESS) err_sys("can't load ntru key file, " "Please run from CyaSSL home dir"); #elif defined(HAVE_ECC) /* ecc */ if (CyaSSL_CTX_use_certificate_file(ctx, eccCert, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, " "Please run from CyaSSL home dir"); if (CyaSSL_CTX_use_PrivateKey_file(ctx, eccKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server key file, " "Please run from CyaSSL home dir"); #elif defined(NO_CERTS) /* do nothing, just don't load cert files */ #else /* normal */ if (CyaSSL_CTX_use_certificate_file(ctx, svrCert, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server cert file, " "Please run from CyaSSL home dir"); if (CyaSSL_CTX_use_PrivateKey_file(ctx, svrKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load server key file, " "Please run from CyaSSL home dir"); #endif } /* doPSK */ #elif !defined(NO_CERTS) if (!doPSK) { load_buffer(ctx, svrCert, CYASSL_CERT); load_buffer(ctx, svrKey, CYASSL_KEY); } #endif #if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC) /* don't use EDH, can't sniff tmp keys */ CyaSSL_CTX_set_cipher_list(ctx, "AES256-SHA"); #endif if (doPSK) { #ifndef NO_PSK const char *defaultCipherList; CyaSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); CyaSSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); #ifdef HAVE_NULL_CIPHER defaultCipherList = "PSK-NULL-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (CyaSSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS) err_sys("server can't set cipher list 2"); #endif } SignalReady(args, port); while (!shutDown) { CYASSL* ssl = 0; char command[SVR_COMMAND_SIZE+1]; int echoSz = 0; int clientfd; int firstRead = 1; int gotFirstG = 0; #ifndef CYASSL_DTLS SOCKADDR_IN_T client; socklen_t client_len = sizeof(client); clientfd = accept(sockfd, (struct sockaddr*)&client, (ACCEPT_THIRD_T)&client_len); #else clientfd = udp_read_connect(sockfd); #endif if (clientfd == -1) err_sys("tcp accept failed"); ssl = CyaSSL_new(ctx); if (ssl == NULL) err_sys("SSL_new failed"); CyaSSL_set_fd(ssl, clientfd); #if !defined(NO_FILESYSTEM) && !defined(NO_DH) CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM); #elif !defined(NO_DH) SetDH(ssl); /* will repick suites with DHE, higher than PSK */ #endif if (CyaSSL_accept(ssl) != SSL_SUCCESS) { printf("SSL_accept failed\n"); CyaSSL_free(ssl); CloseSocket(clientfd); continue; } #if defined(PEER_INFO) showPeer(ssl); #endif while ( (echoSz = CyaSSL_read(ssl, command, sizeof(command)-1)) > 0) { if (firstRead == 1) { firstRead = 0; /* browser may send 1 byte 'G' to start */ if (echoSz == 1 && command[0] == 'G') { gotFirstG = 1; continue; } } else if (gotFirstG == 1 && strncmp(command, "ET /", 4) == 0) { strncpy(command, "GET", 4); /* fall through to normal GET */ } if ( strncmp(command, "quit", 4) == 0) { printf("client sent quit command: shutting down!\n"); shutDown = 1; break; } if ( strncmp(command, "break", 5) == 0) { printf("client sent break command: closing session!\n"); break; } #ifdef SESSION_STATS if ( strncmp(command, "printstats", 10) == 0) { PrintSessionStats(); break; } #endif if ( strncmp(command, "GET", 3) == 0) { char type[] = "HTTP/1.0 200 ok\r\nContent-type:" " text/html\r\n\r\n"; char header[] = "<html><body BGCOLOR=\"#ffffff\">\n<pre>\n"; char body[] = "greetings from CyaSSL\n"; char footer[] = "</body></html>\r\n\r\n"; strncpy(command, type, sizeof(type)); echoSz = sizeof(type) - 1; strncpy(&command[echoSz], header, sizeof(header)); echoSz += (int)sizeof(header) - 1; strncpy(&command[echoSz], body, sizeof(body)); echoSz += (int)sizeof(body) - 1; strncpy(&command[echoSz], footer, sizeof(footer)); echoSz += (int)sizeof(footer); if (CyaSSL_write(ssl, command, echoSz) != echoSz) err_sys("SSL_write failed"); break; } command[echoSz] = 0; #ifdef ECHO_OUT fputs(command, fout); #endif if (CyaSSL_write(ssl, command, echoSz) != echoSz) err_sys("SSL_write failed"); } #ifndef CYASSL_DTLS CyaSSL_shutdown(ssl); #endif CyaSSL_free(ssl); CloseSocket(clientfd); #ifdef CYASSL_DTLS tcp_listen(&sockfd, &port, useAnyAddr, doDTLS); SignalReady(args, port); #endif } CloseSocket(sockfd); CyaSSL_CTX_free(ctx); #ifdef ECHO_OUT if (outCreated) fclose(fout); #endif ((func_args*)args)->return_code = 0; return 0; }
int main() { int listenfd, connfd; int opt; struct sockaddr_in cliAddr, servAddr; char buff[MAXLINE]; socklen_t cliLen; CYASSL_CTX* ctx; CyaSSL_Init(); if ((ctx = CyaSSL_CTX_new(CyaSSLv23_server_method())) == NULL) { printf("Fatal error : CyaSSL_CTX_new error\n"); return 1; } /* use psk suite for security */ CyaSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); CyaSSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); if (CyaSSL_CTX_set_cipher_list(ctx, "PSK-AES128-CBC-SHA256") != SSL_SUCCESS) printf("Fatal error : server can't set cipher list\n"); /* find a socket */ listenfd = socket(AF_INET, SOCK_STREAM, 0); if (listenfd < 0) { printf("Fatal error : socket error\n"); return 1; } /* set up server address and port */ memset(&servAddr, 0, sizeof(servAddr)); servAddr.sin_family = AF_INET; servAddr.sin_addr.s_addr = htonl(INADDR_ANY); servAddr.sin_port = htons(SERV_PORT); /* bind to a socket */ opt = 1; if (setsockopt(listenfd, SOL_SOCKET, SO_REUSEADDR, (const void*)&opt, sizeof(int)) != 0) { printf("Fatal error : setsockopt errer"); return 1; } if (bind(listenfd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) { printf("Fatal error : bind error\n"); return 1; } /* main loop for accepting and responding to clients */ for ( ; ; ) { CYASSL* ssl; /* listen to the socket */ if (listen(listenfd, LISTENQ) < 0) { printf("Fatal error : listen error\n"); return 1; } cliLen = sizeof(cliAddr); connfd = accept(listenfd, (struct sockaddr *) &cliAddr, &cliLen); if (connfd < 0) { if (errno != EINTR) { printf("Fatal error : accept error\n"); return 1; } } else { printf("Connection from %s, port %d\n", inet_ntop(AF_INET, &cliAddr.sin_addr, buff, sizeof(buff)), ntohs(cliAddr.sin_port)); /* create CYASSL object */ if ((ssl = CyaSSL_new(ctx)) == NULL) { printf("Fatal error : CyaSSL_new error\n"); return 1; } CyaSSL_set_fd(ssl, connfd); /* set CyaSSL and socket to non blocking and respond */ CyaSSL_set_using_nonblock(ssl, 1); if (fcntl(connfd, F_SETFL, O_NONBLOCK) < 0) { printf("Fatal error : fcntl set failed\n"); return 1; } if (respond(ssl) != 0) printf("Fatal error : respond error\n"); return 1; /* closes the connections after responding */ CyaSSL_shutdown(ssl); CyaSSL_free(ssl); if (close(connfd) == -1) { printf("Fatal error : close error\n"); return 1; } } } /* free up memory used by cyassl */ CyaSSL_CTX_free(ctx); CyaSSL_Cleanup(); return 0; }