/* Create a new wolfSSL client with a server CA certificate. */ static int wolfssl_client_new(WOLFSSL_CTX** ctx, WOLFSSL** ssl) { int ret = 0; WOLFSSL_CTX* client_ctx = NULL; WOLFSSL* client_ssl = NULL; /* Create and initialize WOLFSSL_CTX */ if ((client_ctx = wolfSSL_CTX_new_ex(wolfTLSv1_2_client_method(), HEAP_HINT_CLIENT)) == NULL) { printf("ERROR: failed to create WOLFSSL_CTX\n"); ret = -1; } if (ret == 0) { /* Load CA certificates into WOLFSSL_CTX */ if (wolfSSL_CTX_load_verify_buffer(client_ctx, CA_CERTS, CA_CERTS_LEN, WOLFSSL_FILETYPE_ASN1) != WOLFSSL_SUCCESS) { printf("ERROR: failed to load CA certificate\n"); ret = -1; } } if (ret == 0) { /* Register callbacks */ wolfSSL_SetIORecv(client_ctx, recv_client); wolfSSL_SetIOSend(client_ctx, send_client); } if (ret == 0) { /* Create a WOLFSSL object */ if ((client_ssl = wolfSSL_new(client_ctx)) == NULL) { printf("ERROR: failed to create WOLFSSL object\n"); ret = -1; } } if (ret == 0) { /* make wolfSSL object nonblocking */ wolfSSL_set_using_nonblock(client_ssl, 1); } if (ret == 0) { *ctx = client_ctx; *ssl = client_ssl; } else { if (client_ssl != NULL) wolfSSL_free(client_ssl); if (client_ctx != NULL) wolfSSL_CTX_free(client_ctx); } return ret; }
int lws_tls_server_new_nonblocking(struct lws *wsi, lws_sockfd_type accept_fd) { #if !defined(USE_WOLFSSL) BIO *bio; #endif errno = 0; wsi->tls.ssl = SSL_new(wsi->vhost->tls.ssl_ctx); if (wsi->tls.ssl == NULL) { lwsl_err("SSL_new failed: %d (errno %d)\n", lws_ssl_get_error(wsi, 0), errno); lws_tls_err_describe(); return 1; } SSL_set_ex_data(wsi->tls.ssl, openssl_websocket_private_data_index, wsi); SSL_set_fd(wsi->tls.ssl, (int)(long long)accept_fd); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->tls.ssl, 1); #else wolfSSL_set_using_nonblock(wsi->tls.ssl, 1); #endif #else SSL_set_mode(wsi->tls.ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER | SSL_MODE_RELEASE_BUFFERS); bio = SSL_get_rbio(wsi->tls.ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); bio = SSL_get_wbio(wsi->tls.ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); #endif #if defined (LWS_HAVE_SSL_SET_INFO_CALLBACK) if (wsi->vhost->tls.ssl_info_event_mask) SSL_set_info_callback(wsi->tls.ssl, lws_ssl_info_callback); #endif return 0; }
/* Connects to the server. * * ctx The SSL/TLS connection data. * sslCtx The SSL/TLS context. * sockfd The socket for communicating with the server. * sslConn The SSL connection. * returns EXIT_SUCCESS if a new connection connected or EXIT_FAILURE otherwise. */ static int SSLConn_Connect(SSLConn_CTX* ctx, WOLFSSL_CTX* sslCtx, int sockfd, SSLConn* sslConn) { ctx->numCreated++; /* Setup connection. */ sslConn->sockfd = sockfd; if ((sslConn->ssl = wolfSSL_new(sslCtx)) == NULL) { fprintf(stderr, "wolfSSL_new error.\n"); return EXIT_FAILURE; } sslConn->state = CONNECT; /* Set the socket to communicate over. */ wolfSSL_set_fd(sslConn->ssl, sslConn->sockfd); wolfSSL_set_using_nonblock(sslConn->ssl, 1); return EXIT_SUCCESS; }
/* Accepts a new connection. * * threadData The SSL/TLS connection data for a thread. * sslCtx The SSL/TLS context. * sockfd The socket file descriptor to accept on. * sslConn The newly create SSL connection data object. * returns EXIT_SUCCESS if a new connection was accepted or EXIT_FAILURE * otherwise. */ static int SSLConn_Accept(ThreadData* threadData, WOLFSSL_CTX* sslCtx, socklen_t sockfd, SSLConn** sslConn) { struct sockaddr_in clientAddr = {0}; socklen_t size = sizeof(clientAddr); SSLConn* conn; conn = malloc(sizeof(*conn)); if (conn == NULL) return EXIT_FAILURE; /* Accept the client connection. */ conn->sockfd = accept(sockfd, (struct sockaddr *)&clientAddr, &size); if (conn->sockfd == -1) { free(conn); fprintf(stderr, "ERROR: failed to accept\n"); return EXIT_FAILURE; } /* Set the new socket to be non-blocking. */ fcntl(conn->sockfd, F_SETFL, O_NONBLOCK); /* Setup SSL/TLS connection. */ if ((conn->ssl = wolfSSL_new(sslCtx)) == NULL) { free(conn); fprintf(stderr, "wolfSSL_new error.\n"); return EXIT_FAILURE; } /* Set the socket to communicate over into the wolfSSL object. */ wolfSSL_set_fd(conn->ssl, conn->sockfd); wolfSSL_set_using_nonblock(conn->ssl, 1); conn->state = ACCEPT; conn->next = threadData->sslConn; conn->prev = NULL; if (threadData->sslConn != NULL) threadData->sslConn->prev = conn; threadData->sslConn = conn; threadData->cnt++; *sslConn = conn; return EXIT_SUCCESS; }
static int create_wolfssl_instance(TLS_IO_INSTANCE* tls_io_instance) { int result; if (add_certificate_to_store(tls_io_instance) != 0) { wolfSSL_CTX_free(tls_io_instance->ssl_context); result = __LINE__; } else { tls_io_instance->ssl = wolfSSL_new(tls_io_instance->ssl_context); if (tls_io_instance->ssl == NULL) { wolfSSL_CTX_free(tls_io_instance->ssl_context); result = __LINE__; } else { tls_io_instance->socket_io_read_bytes = NULL; tls_io_instance->socket_io_read_byte_count = 0; tls_io_instance->on_send_complete = NULL; tls_io_instance->on_send_complete_callback_context = NULL; wolfSSL_set_using_nonblock(tls_io_instance->ssl, 1); wolfSSL_SetIOSend(tls_io_instance->ssl_context, on_io_send); wolfSSL_SetIORecv(tls_io_instance->ssl_context, on_io_recv); wolfSSL_SetHsDoneCb(tls_io_instance->ssl, on_handshake_done, tls_io_instance); wolfSSL_SetIOWriteCtx(tls_io_instance->ssl, tls_io_instance); wolfSSL_SetIOReadCtx(tls_io_instance->ssl, tls_io_instance); tls_io_instance->tlsio_state = TLSIO_STATE_NOT_OPEN; result = 0; } } return result; }
int lws_client_socket_service(struct lws_context *context, struct lws *wsi, struct lws_pollfd *pollfd) { struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; char *p = (char *)&pt->serv_buf[0]; char *sb = p; unsigned char c; int n, len; switch (wsi->mode) { case LWSCM_WSCL_WAITING_CONNECT: /* * we are under PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE * timeout protection set in client-handshake.c */ if (!lws_client_connect_2(wsi)) { /* closed */ lwsl_client("closed\n"); return -1; } /* either still pending connection, or changed mode */ return 0; case LWSCM_WSCL_WAITING_PROXY_REPLY: /* handle proxy hung up on us */ if (pollfd->revents & LWS_POLLHUP) { lwsl_warn("Proxy connection %p (fd=%d) dead\n", (void *)wsi, pollfd->fd); lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); return 0; } n = recv(wsi->sock, sb, LWS_MAX_SOCKET_IO_BUF, 0); if (n < 0) { if (LWS_ERRNO == LWS_EAGAIN) { lwsl_debug("Proxy read returned EAGAIN... retrying\n"); return 0; } lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); lwsl_err("ERROR reading from proxy socket\n"); return 0; } pt->serv_buf[13] = '\0'; if (strcmp(sb, "HTTP/1.0 200 ") && strcmp(sb, "HTTP/1.1 200 ")) { lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); lwsl_err("ERROR proxy: %s\n", sb); return 0; } /* clear his proxy connection timeout */ lws_set_timeout(wsi, NO_PENDING_TIMEOUT, 0); /* fallthru */ case LWSCM_WSCL_ISSUE_HANDSHAKE: /* * we are under PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE * timeout protection set in client-handshake.c * * take care of our lws_callback_on_writable * happening at a time when there's no real connection yet */ if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) return -1; lws_libev_io(wsi, LWS_EV_STOP | LWS_EV_WRITE); #ifdef LWS_OPENSSL_SUPPORT /* we can retry this... just cook the SSL BIO the first time */ if (wsi->use_ssl && !wsi->ssl) { #if defined(CYASSL_SNI_HOST_NAME) || defined(WOLFSSL_SNI_HOST_NAME) || defined(SSL_CTRL_SET_TLSEXT_HOSTNAME) const char *hostname = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_HOST); #endif wsi->ssl = SSL_new(context->ssl_client_ctx); #ifndef USE_WOLFSSL SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); #endif /* * use server name indication (SNI), if supported, * when establishing connection */ #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL #ifdef CYASSL_SNI_HOST_NAME CyaSSL_UseSNI(wsi->ssl, CYASSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #else #ifdef WOLFSSL_SNI_HOST_NAME wolfSSL_UseSNI(wsi->ssl, WOLFSSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #endif #else #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME SSL_set_tlsext_host_name(wsi->ssl, hostname); #endif #endif #ifdef USE_WOLFSSL /* * wolfSSL/CyaSSL does certificate verification differently * from OpenSSL. * If we should ignore the certificate, we need to set * this before SSL_new and SSL_connect is called. * Otherwise the connect will simply fail with error * code -155 */ #ifdef USE_OLD_CYASSL if (wsi->use_ssl == 2) CyaSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #else if (wsi->use_ssl == 2) wolfSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #endif #endif /* USE_WOLFSSL */ wsi->client_bio = BIO_new_socket(wsi->sock, BIO_NOCLOSE); SSL_set_bio(wsi->ssl, wsi->client_bio, wsi->client_bio); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else BIO_set_nbio(wsi->client_bio, 1); /* nonblocking */ #endif SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, context); } if (wsi->use_ssl) { lws_latency_pre(context, wsi); n = SSL_connect(wsi->ssl); lws_latency(context, wsi, "SSL_connect LWSCM_WSCL_ISSUE_HANDSHAKE", n, n > 0); if (n < 0) { n = SSL_get_error(wsi->ssl, n); if (n == SSL_ERROR_WANT_READ) goto some_wait; if (n == SSL_ERROR_WANT_WRITE) { /* * wants us to retry connect due to * state of the underlying ssl layer... * but since it may be stalled on * blocked write, no incoming data may * arrive to trigger the retry. * Force (possibly many times if the SSL * state persists in returning the * condition code, but other sockets * are getting serviced inbetweentimes) * us to get called back when writable. */ lwsl_info("%s: WANT_WRITE... retrying\n", __func__); lws_callback_on_writable(wsi); some_wait: wsi->mode = LWSCM_WSCL_WAITING_SSL; return 0; /* no error */ } n = -1; } if (n <= 0) { /* * retry if new data comes until we * run into the connection timeout or win */ n = ERR_get_error(); if (n != SSL_ERROR_NONE) { lwsl_err("SSL connect error %lu: %s\n", n, ERR_error_string(n, sb)); return 0; } } } else wsi->ssl = NULL; /* fallthru */ case LWSCM_WSCL_WAITING_SSL: if (wsi->use_ssl) { if (wsi->mode == LWSCM_WSCL_WAITING_SSL) { lws_latency_pre(context, wsi); n = SSL_connect(wsi->ssl); lws_latency(context, wsi, "SSL_connect LWSCM_WSCL_WAITING_SSL", n, n > 0); if (n < 0) { n = SSL_get_error(wsi->ssl, n); if (n == SSL_ERROR_WANT_READ) goto some_wait; if (n == SSL_ERROR_WANT_WRITE) { /* * wants us to retry connect due to * state of the underlying ssl layer... * but since it may be stalled on * blocked write, no incoming data may * arrive to trigger the retry. * Force (possibly many times if the SSL * state persists in returning the * condition code, but other sockets * are getting serviced inbetweentimes) * us to get called back when writable. */ lwsl_info("SSL_connect WANT_WRITE... retrying\n"); lws_callback_on_writable(wsi); goto some_wait; } n = -1; } if (n <= 0) { /* * retry if new data comes until we * run into the connection timeout or win */ n = ERR_get_error(); if (n != SSL_ERROR_NONE) { lwsl_err("SSL connect error %lu: %s\n", n, ERR_error_string(n, sb)); return 0; } } } #ifndef USE_WOLFSSL /* * See comment above about wolfSSL certificate * verification */ lws_latency_pre(context, wsi); n = SSL_get_verify_result(wsi->ssl); lws_latency(context, wsi, "SSL_get_verify_result LWS_CONNMODE..HANDSHAKE", n, n > 0); if (n != X509_V_OK) { if ((n == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT || n == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN) && wsi->use_ssl == 2) { lwsl_notice("accepting self-signed certificate\n"); } else { lwsl_err("server's cert didn't look good, X509_V_ERR = %d: %s\n", n, ERR_error_string(n, sb)); lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); return 0; } } #endif /* USE_WOLFSSL */ } else wsi->ssl = NULL; #endif wsi->mode = LWSCM_WSCL_ISSUE_HANDSHAKE2; lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_CLIENT_HS_SEND, AWAITING_TIMEOUT); /* fallthru */ case LWSCM_WSCL_ISSUE_HANDSHAKE2: p = lws_generate_client_handshake(wsi, p); if (p == NULL) { lwsl_err("Failed to generate handshake for client\n"); lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); return 0; } /* send our request to the server */ lws_latency_pre(context, wsi); n = lws_ssl_capable_write(wsi, (unsigned char *)sb, p - sb); lws_latency(context, wsi, "send lws_issue_raw", n, n == p - sb); switch (n) { case LWS_SSL_CAPABLE_ERROR: lwsl_debug("ERROR writing to client socket\n"); lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); return 0; case LWS_SSL_CAPABLE_MORE_SERVICE: lws_callback_on_writable(wsi); break; } wsi->u.hdr.parser_state = WSI_TOKEN_NAME_PART; wsi->u.hdr.lextable_pos = 0; wsi->mode = LWSCM_WSCL_WAITING_SERVER_REPLY; lws_set_timeout(wsi, PENDING_TIMEOUT_AWAITING_SERVER_RESPONSE, AWAITING_TIMEOUT); break; case LWSCM_WSCL_WAITING_SERVER_REPLY: /* handle server hung up on us */ if (pollfd->revents & LWS_POLLHUP) { lwsl_debug("Server connection %p (fd=%d) dead\n", (void *)wsi, pollfd->fd); goto bail3; } if (!(pollfd->revents & LWS_POLLIN)) break; /* interpret the server response */ /* * HTTP/1.1 101 Switching Protocols * Upgrade: websocket * Connection: Upgrade * Sec-WebSocket-Accept: me89jWimTRKTWwrS3aRrL53YZSo= * Sec-WebSocket-Nonce: AQIDBAUGBwgJCgsMDQ4PEC== * Sec-WebSocket-Protocol: chat */ /* * we have to take some care here to only take from the * socket bytewise. The browser may (and has been seen to * in the case that onopen() performs websocket traffic) * coalesce both handshake response and websocket traffic * in one packet, since at that point the connection is * definitively ready from browser pov. */ len = 1; while (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE && len > 0) { n = lws_ssl_capable_read(wsi, &c, 1); lws_latency(context, wsi, "send lws_issue_raw", n, n == 1); switch (n) { case 0: case LWS_SSL_CAPABLE_ERROR: goto bail3; case LWS_SSL_CAPABLE_MORE_SERVICE: return 0; } if (lws_parse(wsi, c)) { lwsl_warn("problems parsing header\n"); goto bail3; } } /* * hs may also be coming in multiple packets, there is a 5-sec * libwebsocket timeout still active here too, so if parsing did * not complete just wait for next packet coming in this state */ if (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE) break; /* * otherwise deal with the handshake. If there's any * packet traffic already arrived we'll trigger poll() again * right away and deal with it that way */ return lws_client_interpret_server_handshake(wsi); bail3: lwsl_info("closing conn at LWS_CONNMODE...SERVER_REPLY\n"); lws_close_free_wsi(wsi, LWS_CLOSE_STATUS_NOSTATUS); return -1; case LWSCM_WSCL_WAITING_EXTENSION_CONNECT: lwsl_ext("LWSCM_WSCL_WAITING_EXTENSION_CONNECT\n"); break; case LWSCM_WSCL_PENDING_CANDIDATE_CHILD: lwsl_ext("LWSCM_WSCL_PENDING_CANDIDATE_CHILD\n"); break; default: break; } return 0; }
int lws_ssl_client_bio_create(struct lws *wsi) { #if defined(LWS_USE_POLARSSL) return 0; #else #if defined(LWS_USE_MBEDTLS) #else struct lws_context *context = wsi->context; const char *hostname = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_HOST); X509_VERIFY_PARAM *param; (void)hostname; (void)param; wsi->ssl = SSL_new(wsi->vhost->ssl_client_ctx); #if defined LWS_HAVE_X509_VERIFY_PARAM_set1_host if (!(wsi->use_ssl & LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK)) { param = SSL_get0_param(wsi->ssl); /* Enable automatic hostname checks */ X509_VERIFY_PARAM_set_hostflags(param, X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS); X509_VERIFY_PARAM_set1_host(param, hostname, 0); /* Configure a non-zero callback if desired */ SSL_set_verify(wsi->ssl, SSL_VERIFY_PEER, 0); } #endif #ifndef USE_WOLFSSL SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); #endif /* * use server name indication (SNI), if supported, * when establishing connection */ #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL #ifdef CYASSL_SNI_HOST_NAME CyaSSL_UseSNI(wsi->ssl, CYASSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #else #ifdef WOLFSSL_SNI_HOST_NAME wolfSSL_UseSNI(wsi->ssl, WOLFSSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #endif #else #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME SSL_set_tlsext_host_name(wsi->ssl, hostname); #endif #endif #ifdef USE_WOLFSSL /* * wolfSSL/CyaSSL does certificate verification differently * from OpenSSL. * If we should ignore the certificate, we need to set * this before SSL_new and SSL_connect is called. * Otherwise the connect will simply fail with error code -155 */ #ifdef USE_OLD_CYASSL if (wsi->use_ssl == 2) CyaSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #else if (wsi->use_ssl == 2) wolfSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #endif #endif /* USE_WOLFSSL */ wsi->client_bio = BIO_new_socket(wsi->sock, BIO_NOCLOSE); SSL_set_bio(wsi->ssl, wsi->client_bio, wsi->client_bio); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else BIO_set_nbio(wsi->client_bio, 1); /* nonblocking */ #endif SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, context); return 0; #endif #endif }
THREAD_RETURN WOLFSSL_THREAD client_test(void* args) { SOCKET_T sockfd = 0; WOLFSSL_METHOD* method = 0; WOLFSSL_CTX* ctx = 0; WOLFSSL* ssl = 0; WOLFSSL* sslResume = 0; WOLFSSL_SESSION* session = 0; char resumeMsg[] = "resuming wolfssl!"; int resumeSz = sizeof(resumeMsg); char msg[32] = "hello wolfssl!"; /* GET may make bigger */ char reply[80]; int input; int msgSz = (int)strlen(msg); word16 port = yasslPort; char* host = (char*)yasslIP; const char* domain = "www.yassl.com"; int ch; int version = CLIENT_INVALID_VERSION; int usePsk = 0; int useAnon = 0; int sendGET = 0; int benchmark = 0; int doDTLS = 0; int matchName = 0; int doPeerCheck = 1; int nonBlocking = 0; int resumeSession = 0; int scr = 0; /* allow secure renegotiation */ int forceScr = 0; /* force client initiaed scr */ int trackMemory = 0; int useClientCert = 1; int fewerPackets = 0; int atomicUser = 0; int pkCallbacks = 0; int overrideDateErrors = 0; char* cipherList = NULL; const char* verifyCert = caCert; const char* ourCert = cliCert; const char* ourKey = cliKey; #ifdef HAVE_SNI char* sniHostName = NULL; #endif #ifdef HAVE_MAX_FRAGMENT byte maxFragment = 0; #endif #ifdef HAVE_TRUNCATED_HMAC byte truncatedHMAC = 0; #endif #ifdef HAVE_OCSP int useOcsp = 0; char* ocspUrl = NULL; #endif int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; ((func_args*)args)->return_code = -1; /* error state */ #ifdef NO_RSA verifyCert = (char*)eccCert; ourCert = (char*)cliEccCert; ourKey = (char*)cliEccKey; #endif (void)resumeSz; (void)session; (void)sslResume; (void)trackMemory; (void)atomicUser; (void)pkCallbacks; (void)scr; (void)forceScr; StackTrap(); while ((ch = mygetopt(argc, argv, "?gdDusmNrRitfxUPh:p:v:l:A:c:k:b:zS:L:ToO:a")) != -1) { switch (ch) { case '?' : Usage(); exit(EXIT_SUCCESS); case 'g' : sendGET = 1; break; case 'd' : doPeerCheck = 0; break; case 'D' : overrideDateErrors = 1; break; case 'u' : doDTLS = 1; break; case 's' : usePsk = 1; break; case 't' : #ifdef USE_WOLFSSL_MEMORY trackMemory = 1; #endif break; case 'm' : matchName = 1; break; case 'x' : useClientCert = 0; break; case 'f' : fewerPackets = 1; break; case 'U' : #ifdef ATOMIC_USER atomicUser = 1; #endif break; case 'P' : #ifdef HAVE_PK_CALLBACKS pkCallbacks = 1; #endif break; case 'h' : host = myoptarg; domain = myoptarg; 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 'b' : benchmark = atoi(myoptarg); if (benchmark < 0 || benchmark > 1000000) { Usage(); exit(MY_EX_USAGE); } break; case 'N' : nonBlocking = 1; break; case 'r' : resumeSession = 1; break; case 'R' : #ifdef HAVE_SECURE_RENEGOTIATION scr = 1; #endif break; case 'i' : #ifdef HAVE_SECURE_RENEGOTIATION scr = 1; forceScr = 1; #endif break; case 'z' : #ifndef WOLFSSL_LEANPSK wolfSSL_GetObjectSize(); #endif break; case 'S' : #ifdef HAVE_SNI sniHostName = myoptarg; #endif break; case 'L' : #ifdef HAVE_MAX_FRAGMENT maxFragment = atoi(myoptarg); if (maxFragment < WOLFSSL_MFL_2_9 || maxFragment > WOLFSSL_MFL_2_13) { Usage(); exit(MY_EX_USAGE); } #endif break; case 'T' : #ifdef HAVE_TRUNCATED_HMAC truncatedHMAC = 1; #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; 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_WOLFSSL_MEMORY if (trackMemory) InitMemoryTracker(); #endif switch (version) { #ifndef NO_OLD_TLS case 0: method = wolfSSLv3_client_method(); break; #ifndef NO_TLS case 1: method = wolfTLSv1_client_method(); break; case 2: method = wolfTLSv1_1_client_method(); break; #endif /* NO_TLS */ #endif /* NO_OLD_TLS */ #ifndef NO_TLS case 3: method = wolfTLSv1_2_client_method(); break; #endif #ifdef WOLFSSL_DTLS case -1: method = wolfDTLSv1_client_method(); break; case -2: method = wolfDTLSv1_2_client_method(); break; #endif default: err_sys("Bad SSL version"); break; } if (method == NULL) err_sys("unable to get method"); ctx = wolfSSL_CTX_new(method); if (ctx == NULL) err_sys("unable to get ctx"); if (cipherList) if (wolfSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS) err_sys("client can't set cipher list 1"); #ifdef WOLFSSL_LEANPSK usePsk = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) usePsk = 1; #endif if (fewerPackets) wolfSSL_CTX_set_group_messages(ctx); if (usePsk) { #ifndef NO_PSK wolfSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb); if (cipherList == NULL) { const char *defaultCipherList; #ifdef HAVE_NULL_CIPHER defaultCipherList = "PSK-NULL-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (wolfSSL_CTX_set_cipher_list(ctx,defaultCipherList) !=SSL_SUCCESS) err_sys("client can't set cipher list 2"); } #endif useClientCert = 0; } if (useAnon) { #ifdef HAVE_ANON if (cipherList == NULL) { wolfSSL_CTX_allow_anon_cipher(ctx); if (wolfSSL_CTX_set_cipher_list(ctx,"ADH-AES128-SHA") != SSL_SUCCESS) err_sys("client can't set cipher list 4"); } #endif useClientCert = 0; } #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #if defined(WOLFSSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC) if (cipherList == NULL) { /* don't use EDH, can't sniff tmp keys */ if (wolfSSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) { err_sys("client can't set cipher list 3"); } } #endif #ifdef HAVE_OCSP if (useOcsp) { if (ocspUrl != NULL) { wolfSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl); wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE | WOLFSSL_OCSP_URL_OVERRIDE); } else wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE); } #endif #ifdef USER_CA_CB wolfSSL_CTX_SetCACb(ctx, CaCb); #endif #ifdef VERIFY_CALLBACK wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify); #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (useClientCert){ if (wolfSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS) err_sys("can't load client cert file, check file and run from" " wolfSSL home dir"); if (wolfSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load client private key file, check file and run " "from wolfSSL home dir"); } if (!usePsk && !useAnon) { if (wolfSSL_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(NO_CERTS) if (!usePsk && !useAnon && doPeerCheck == 0) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); if (!usePsk && !useAnon && overrideDateErrors == 1) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myDateCb); #endif #ifdef HAVE_CAVIUM wolfSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID); #endif #ifdef HAVE_SNI if (sniHostName) if (wolfSSL_CTX_UseSNI(ctx, 0, sniHostName, XSTRLEN(sniHostName)) != SSL_SUCCESS) err_sys("UseSNI failed"); #endif #ifdef HAVE_MAX_FRAGMENT if (maxFragment) if (wolfSSL_CTX_UseMaxFragment(ctx, maxFragment) != SSL_SUCCESS) err_sys("UseMaxFragment failed"); #endif #ifdef HAVE_TRUNCATED_HMAC if (truncatedHMAC) if (wolfSSL_CTX_UseTruncatedHMAC(ctx) != SSL_SUCCESS) err_sys("UseTruncatedHMAC failed"); #endif #ifdef HAVE_SESSION_TICKET if (wolfSSL_CTX_UseSessionTicket(ctx) != SSL_SUCCESS) err_sys("UseSessionTicket failed"); #endif if (benchmark) { /* time passed in number of connects give average */ int times = benchmark; int i = 0; double start = current_time(), avg; for (i = 0; i < times; i++) { tcp_connect(&sockfd, host, port, doDTLS); ssl = wolfSSL_new(ctx); wolfSSL_set_fd(ssl, sockfd); if (wolfSSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed"); wolfSSL_shutdown(ssl); wolfSSL_free(ssl); CloseSocket(sockfd); } avg = current_time() - start; avg /= times; avg *= 1000; /* milliseconds */ printf("wolfSSL_connect avg took: %8.3f milliseconds\n", avg); wolfSSL_CTX_free(ctx); ((func_args*)args)->return_code = 0; exit(EXIT_SUCCESS); } #if defined(WOLFSSL_MDK_ARM) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); #endif ssl = wolfSSL_new(ctx); if (ssl == NULL) err_sys("unable to get SSL object"); #ifdef HAVE_SESSION_TICKET wolfSSL_set_SessionTicket_cb(ssl, sessionTicketCB, (void*)"initial session"); #endif if (doDTLS) { SOCKADDR_IN_T addr; build_addr(&addr, host, port, 1); wolfSSL_dtls_set_peer(ssl, &addr, sizeof(addr)); tcp_socket(&sockfd, 1); } else { tcp_connect(&sockfd, host, port, 0); } #ifdef HAVE_POLY1305 /* use old poly to connect with google server */ if (!XSTRNCMP(domain, "www.google.com", 14)) { if (wolfSSL_use_old_poly(ssl, 1) != 0) err_sys("unable to set to old poly"); } #endif wolfSSL_set_fd(ssl, sockfd); #ifdef HAVE_CRL if (wolfSSL_EnableCRL(ssl, WOLFSSL_CRL_CHECKALL) != SSL_SUCCESS) err_sys("can't enable crl check"); if (wolfSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS) err_sys("can't load crl, check crlfile and date validity"); if (wolfSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS) err_sys("can't set crl callback"); #endif #ifdef HAVE_SECURE_RENEGOTIATION if (scr) { if (wolfSSL_UseSecureRenegotiation(ssl) != SSL_SUCCESS) err_sys("can't enable secure renegotiation"); } #endif #ifdef ATOMIC_USER if (atomicUser) SetupAtomicUser(ctx, ssl); #endif #ifdef HAVE_PK_CALLBACKS if (pkCallbacks) SetupPkCallbacks(ctx, ssl); #endif if (matchName && doPeerCheck) wolfSSL_check_domain_name(ssl, domain); #ifndef WOLFSSL_CALLBACKS if (nonBlocking) { wolfSSL_set_using_nonblock(ssl, 1); tcp_set_nonblocking(&sockfd); NonBlockingSSL_Connect(ssl); } else if (wolfSSL_connect(ssl) != SSL_SUCCESS) { /* see note at top of README */ int err = wolfSSL_get_error(ssl, 0); char buffer[WOLFSSL_MAX_ERROR_SZ]; printf("err = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer)); err_sys("SSL_connect failed"); /* if you're getting an error here */ } #else timeout.tv_sec = 2; timeout.tv_usec = 0; NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */ #endif showPeer(ssl); #ifdef HAVE_SECURE_RENEGOTIATION if (scr && forceScr) { if (nonBlocking) { printf("not doing secure renegotiation on example with" " nonblocking yet"); } else { #ifndef NO_SESSION_CACHE if (resumeSession) { session = wolfSSL_get_session(ssl); wolfSSL_set_session(ssl, session); resumeSession = 0; /* only resume once */ } #endif if (wolfSSL_Rehandshake(ssl) != SSL_SUCCESS) { int err = wolfSSL_get_error(ssl, 0); char buffer[WOLFSSL_MAX_ERROR_SZ]; printf("err = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer)); err_sys("wolfSSL_Rehandshake failed"); } } } #endif /* HAVE_SECURE_RENEGOTIATION */ if (sendGET) { printf("SSL connect ok, sending GET...\n"); msgSz = 28; strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz); msg[msgSz] = '\0'; } if (wolfSSL_write(ssl, msg, msgSz) != msgSz) err_sys("SSL_write failed"); input = wolfSSL_read(ssl, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("Server response: %s\n", reply); if (sendGET) { /* get html */ while (1) { input = wolfSSL_read(ssl, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("%s\n", reply); } else break; } } } else if (input < 0) { int readErr = wolfSSL_get_error(ssl, 0); if (readErr != SSL_ERROR_WANT_READ) err_sys("wolfSSL_read failed"); } #ifndef NO_SESSION_CACHE if (resumeSession) { if (doDTLS) { strncpy(msg, "break", 6); msgSz = (int)strlen(msg); /* try to send session close */ wolfSSL_write(ssl, msg, msgSz); } session = wolfSSL_get_session(ssl); sslResume = wolfSSL_new(ctx); } #endif if (doDTLS == 0) /* don't send alert after "break" command */ wolfSSL_shutdown(ssl); /* echoserver will interpret as new conn */ #ifdef ATOMIC_USER if (atomicUser) FreeAtomicUser(ssl); #endif wolfSSL_free(ssl); CloseSocket(sockfd); #ifndef NO_SESSION_CACHE if (resumeSession) { if (doDTLS) { SOCKADDR_IN_T addr; #ifdef USE_WINDOWS_API Sleep(500); #elif defined(WOLFSSL_TIRTOS) Task_sleep(1); #else sleep(1); #endif build_addr(&addr, host, port, 1); wolfSSL_dtls_set_peer(sslResume, &addr, sizeof(addr)); tcp_socket(&sockfd, 1); } else { tcp_connect(&sockfd, host, port, 0); } wolfSSL_set_fd(sslResume, sockfd); wolfSSL_set_session(sslResume, session); #ifdef HAVE_SESSION_TICKET wolfSSL_set_SessionTicket_cb(sslResume, sessionTicketCB, (void*)"resumed session"); #endif showPeer(sslResume); #ifndef WOLFSSL_CALLBACKS if (nonBlocking) { wolfSSL_set_using_nonblock(sslResume, 1); tcp_set_nonblocking(&sockfd); NonBlockingSSL_Connect(sslResume); } else if (wolfSSL_connect(sslResume) != SSL_SUCCESS) err_sys("SSL resume failed"); #else timeout.tv_sec = 2; timeout.tv_usec = 0; NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */ #endif if (wolfSSL_session_reused(sslResume)) printf("reused session id\n"); else printf("didn't reuse session id!!!\n"); if (wolfSSL_write(sslResume, resumeMsg, resumeSz) != resumeSz) err_sys("SSL_write failed"); if (nonBlocking) { /* give server a chance to bounce a message back to client */ #ifdef USE_WINDOWS_API Sleep(500); #elif defined(WOLFSSL_TIRTOS) Task_sleep(1); #else sleep(1); #endif } input = wolfSSL_read(sslResume, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("Server resume response: %s\n", reply); } /* try to send session break */ wolfSSL_write(sslResume, msg, msgSz); wolfSSL_shutdown(sslResume); wolfSSL_free(sslResume); CloseSocket(sockfd); } #endif /* NO_SESSION_CACHE */ wolfSSL_CTX_free(ctx); ((func_args*)args)->return_code = 0; #ifdef USE_WOLFSSL_MEMORY if (trackMemory) ShowMemoryTracker(); #endif /* USE_WOLFSSL_MEMORY */ #if !defined(WOLFSSL_TIRTOS) return 0; #endif }
LWS_VISIBLE int lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd) { struct lws_context *context = wsi->context; struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; int n, m; #ifndef USE_WOLFSSL BIO *bio; #endif if (!LWS_SSL_ENABLED(context)) return 0; lwsl_err("%s: mode %d, state %d\n", __func__, wsi->mode, wsi->state); switch (wsi->mode) { case LWSCM_SSL_INIT: if (!wsi) return 0; wsi->ssl = SSL_new(context->ssl_ctx); if (wsi->ssl == NULL) { lwsl_err("SSL_new failed: %s\n", ERR_error_string(SSL_get_error(wsi->ssl, 0), NULL)); lws_decode_ssl_error(); compatible_close(accept_fd); goto fail; } SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, context); SSL_set_fd(wsi->ssl, accept_fd); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); bio = SSL_get_rbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); bio = SSL_get_wbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); #endif /* * we are not accepted yet, but we need to enter ourselves * as a live connection. That way we can retry when more * pieces come if we're not sorted yet */ wsi->mode = LWSCM_SSL_ACK_PENDING; if (insert_wsi_socket_into_fds(context, wsi)) goto fail; lws_set_timeout(wsi, PENDING_TIMEOUT_SSL_ACCEPT, AWAITING_TIMEOUT); lwsl_info("inserted SSL accept into fds, trying SSL_accept\n"); /* fallthru */ case LWSCM_SSL_ACK_PENDING: if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) goto fail; lws_libev_io(wsi, LWS_EV_STOP | LWS_EV_WRITE); lws_latency_pre(context, wsi); n = recv(wsi->sock, (char *)pt->serv_buf, LWS_MAX_SOCKET_IO_BUF, MSG_PEEK); /* * optionally allow non-SSL connect on SSL listening socket * This is disabled by default, if enabled it goes around any * SSL-level access control (eg, client-side certs) so leave * it disabled unless you know it's not a problem for you */ if (context->allow_non_ssl_on_ssl_port) { if (n >= 1 && pt->serv_buf[0] >= ' ') { /* * TLS content-type for Handshake is 0x16, and * for ChangeCipherSpec Record, it's 0x14 * * A non-ssl session will start with the HTTP * method in ASCII. If we see it's not a legit * SSL handshake kill the SSL for this * connection and try to handle as a HTTP * connection upgrade directly. */ wsi->use_ssl = 0; SSL_shutdown(wsi->ssl); SSL_free(wsi->ssl); wsi->ssl = NULL; goto accepted; } if (!n) /* * connection is gone, or nothing to read * if it's gone, we will timeout on * PENDING_TIMEOUT_SSL_ACCEPT */ break; if (n < 0 && (LWS_ERRNO == LWS_EAGAIN || LWS_ERRNO == LWS_EWOULDBLOCK)) { /* * well, we get no way to know ssl or not * so go around again waiting for something * to come and give us a hint, or timeout the * connection. */ m = SSL_ERROR_WANT_READ; goto go_again; } } /* normal SSL connection processing path */ n = SSL_accept(wsi->ssl); lws_latency(context, wsi, "SSL_accept LWSCM_SSL_ACK_PENDING\n", n, n == 1); if (n == 1) goto accepted; m = SSL_get_error(wsi->ssl, n); lwsl_debug("SSL_accept failed %d / %s\n", m, ERR_error_string(m, NULL)); go_again: if (m == SSL_ERROR_WANT_READ) { if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) goto fail; lws_libev_io(wsi, LWS_EV_START | LWS_EV_READ); lwsl_info("SSL_ERROR_WANT_READ\n"); break; } if (m == SSL_ERROR_WANT_WRITE) { if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) goto fail; lws_libev_io(wsi, LWS_EV_START | LWS_EV_WRITE); break; } lwsl_debug("SSL_accept failed skt %u: %s\n", wsi->sock, ERR_error_string(m, NULL)); goto fail; accepted: /* OK, we are accepted... give him some time to negotiate */ lws_set_timeout(wsi, PENDING_TIMEOUT_ESTABLISH_WITH_SERVER, AWAITING_TIMEOUT); wsi->mode = LWSCM_HTTP_SERVING; lws_http2_configure_if_upgraded(wsi); lwsl_debug("accepted new SSL conn\n"); break; } return 0; fail: return 1; }
LWS_VISIBLE int lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd) { struct lws_context *context = wsi->context; struct lws_vhost *vh; struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; int n, m; #if !defined(USE_WOLFSSL) && !defined(LWS_WITH_MBEDTLS) BIO *bio; #endif char buf[256]; (void)buf; if (!LWS_SSL_ENABLED(wsi->vhost)) return 0; switch (wsi->mode) { case LWSCM_SSL_INIT: case LWSCM_SSL_INIT_RAW: if (wsi->ssl) lwsl_err("%s: leaking ssl\n", __func__); if (accept_fd == LWS_SOCK_INVALID) assert(0); if (context->simultaneous_ssl_restriction && context->simultaneous_ssl >= context->simultaneous_ssl_restriction) { lwsl_notice("unable to deal with SSL connection\n"); return 1; } errno = 0; wsi->ssl = SSL_new(wsi->vhost->ssl_ctx); if (wsi->ssl == NULL) { lwsl_err("SSL_new failed: %d (errno %d)\n", lws_ssl_get_error(wsi, 0), errno); lws_ssl_elaborate_error(); if (accept_fd != LWS_SOCK_INVALID) compatible_close(accept_fd); goto fail; } #if defined (LWS_HAVE_SSL_SET_INFO_CALLBACK) if (wsi->vhost->ssl_info_event_mask) SSL_set_info_callback(wsi->ssl, lws_ssl_info_callback); #endif if (context->simultaneous_ssl_restriction && ++context->simultaneous_ssl == context->simultaneous_ssl_restriction) /* that was the last allowed SSL connection */ lws_gate_accepts(context, 0); #if defined(LWS_WITH_STATS) context->updated = 1; #endif #if !defined(LWS_WITH_MBEDTLS) SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, wsi); #endif SSL_set_fd(wsi->ssl, accept_fd); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else #if defined(LWS_WITH_MBEDTLS) lws_plat_set_socket_options(wsi->vhost, accept_fd); #else SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); bio = SSL_get_rbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); bio = SSL_get_wbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); #endif #endif /* * we are not accepted yet, but we need to enter ourselves * as a live connection. That way we can retry when more * pieces come if we're not sorted yet */ if (wsi->mode == LWSCM_SSL_INIT) wsi->mode = LWSCM_SSL_ACK_PENDING; else wsi->mode = LWSCM_SSL_ACK_PENDING_RAW; if (insert_wsi_socket_into_fds(context, wsi)) { lwsl_err("%s: failed to insert into fds\n", __func__); goto fail; } lws_set_timeout(wsi, PENDING_TIMEOUT_SSL_ACCEPT, context->timeout_secs); lwsl_debug("inserted SSL accept into fds, trying SSL_accept\n"); /* fallthru */ case LWSCM_SSL_ACK_PENDING: case LWSCM_SSL_ACK_PENDING_RAW: if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) { lwsl_err("%s: lws_change_pollfd failed\n", __func__); goto fail; } lws_latency_pre(context, wsi); if (wsi->vhost->allow_non_ssl_on_ssl_port) { n = recv(wsi->desc.sockfd, (char *)pt->serv_buf, context->pt_serv_buf_size, MSG_PEEK); /* * optionally allow non-SSL connect on SSL listening socket * This is disabled by default, if enabled it goes around any * SSL-level access control (eg, client-side certs) so leave * it disabled unless you know it's not a problem for you */ if (n >= 1 && pt->serv_buf[0] >= ' ') { /* * TLS content-type for Handshake is 0x16, and * for ChangeCipherSpec Record, it's 0x14 * * A non-ssl session will start with the HTTP * method in ASCII. If we see it's not a legit * SSL handshake kill the SSL for this * connection and try to handle as a HTTP * connection upgrade directly. */ wsi->use_ssl = 0; SSL_shutdown(wsi->ssl); SSL_free(wsi->ssl); wsi->ssl = NULL; if (lws_check_opt(context->options, LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS)) wsi->redirect_to_https = 1; goto accepted; } if (!n) /* * connection is gone, or nothing to read * if it's gone, we will timeout on * PENDING_TIMEOUT_SSL_ACCEPT */ break; if (n < 0 && (LWS_ERRNO == LWS_EAGAIN || LWS_ERRNO == LWS_EWOULDBLOCK)) { /* * well, we get no way to know ssl or not * so go around again waiting for something * to come and give us a hint, or timeout the * connection. */ m = SSL_ERROR_WANT_READ; goto go_again; } } /* normal SSL connection processing path */ #if defined(LWS_WITH_STATS) if (!wsi->accept_start_us) wsi->accept_start_us = time_in_microseconds(); #endif errno = 0; lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_SSL_CONNECTIONS_ACCEPT_SPIN, 1); n = SSL_accept(wsi->ssl); lws_latency(context, wsi, "SSL_accept LWSCM_SSL_ACK_PENDING\n", n, n == 1); lwsl_info("SSL_accept says %d\n", n); if (n == 1) goto accepted; m = lws_ssl_get_error(wsi, n); #if defined(LWS_WITH_MBEDTLS) if (m == SSL_ERROR_SYSCALL && errno == 11) m = SSL_ERROR_WANT_READ; #endif if (m == SSL_ERROR_SYSCALL || m == SSL_ERROR_SSL) goto failed; go_again: if (m == SSL_ERROR_WANT_READ || SSL_want_read(wsi->ssl)) { if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) { lwsl_info("%s: WANT_READ change_pollfd failed\n", __func__); goto fail; } lwsl_info("SSL_ERROR_WANT_READ\n"); break; } if (m == SSL_ERROR_WANT_WRITE || SSL_want_write(wsi->ssl)) { lwsl_debug("%s: WANT_WRITE\n", __func__); if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) { lwsl_info("%s: WANT_WRITE change_pollfd failed\n", __func__); goto fail; } break; } failed: lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_SSL_CONNECTIONS_FAILED, 1); wsi->socket_is_permanently_unusable = 1; lwsl_info("SSL_accept failed socket %u: %s\n", wsi->desc.sockfd, lws_ssl_get_error_string(m, n, buf, sizeof(buf))); lws_ssl_elaborate_error(); goto fail; accepted: lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_C_SSL_CONNECTIONS_ACCEPTED, 1); #if defined(LWS_WITH_STATS) lws_stats_atomic_bump(wsi->context, pt, LWSSTATS_MS_SSL_CONNECTIONS_ACCEPTED_DELAY, time_in_microseconds() - wsi->accept_start_us); wsi->accept_start_us = time_in_microseconds(); #endif /* adapt our vhost to match the SNI SSL_CTX that was chosen */ vh = context->vhost_list; while (vh) { if (!vh->being_destroyed && wsi->ssl && vh->ssl_ctx == SSL_get_SSL_CTX(wsi->ssl)) { lwsl_info("setting wsi to vh %s\n", vh->name); wsi->vhost = vh; break; } vh = vh->vhost_next; } /* OK, we are accepted... give him some time to negotiate */ lws_set_timeout(wsi, PENDING_TIMEOUT_ESTABLISH_WITH_SERVER, context->timeout_secs); if (wsi->mode == LWSCM_SSL_ACK_PENDING_RAW) wsi->mode = LWSCM_RAW; else wsi->mode = LWSCM_HTTP_SERVING; #if defined(LWS_WITH_HTTP2) if (lws_h2_configure_if_upgraded(wsi)) goto fail; #endif lwsl_debug("accepted new SSL conn\n"); break; } return 0; fail: return 1; }
/* Create a new wolfSSL server with a certificate for authentication. */ static int wolfssl_server_new(WOLFSSL_CTX** ctx, WOLFSSL** ssl) { int ret = 0; WOLFSSL_CTX* server_ctx = NULL; WOLFSSL* server_ssl = NULL; /* Create and initialize WOLFSSL_CTX */ if ((server_ctx = wolfSSL_CTX_new_ex(wolfTLSv1_2_server_method(), HEAP_HINT_SERVER)) == NULL) { printf("ERROR: failed to create WOLFSSL_CTX\n"); ret = -1; } if (ret == 0) { /* Load client certificates into WOLFSSL_CTX */ if (wolfSSL_CTX_use_certificate_buffer(server_ctx, SERVER_CERT, SERVER_CERT_LEN, WOLFSSL_FILETYPE_ASN1) != WOLFSSL_SUCCESS) { printf("ERROR: failed to load server certificate\n"); ret = -1; } } if (ret == 0) { /* Load client certificates into WOLFSSL_CTX */ if (wolfSSL_CTX_use_PrivateKey_buffer(server_ctx, SERVER_KEY, SERVER_KEY_LEN, WOLFSSL_FILETYPE_ASN1) != WOLFSSL_SUCCESS) { printf("ERROR: failed to load server key\n"); ret = -1; } } if (ret == 0) { /* Register callbacks */ wolfSSL_SetIORecv(server_ctx, recv_server); wolfSSL_SetIOSend(server_ctx, send_server); } if (ret == 0) { /* Create a WOLFSSL object */ if ((server_ssl = wolfSSL_new(server_ctx)) == NULL) { printf("ERROR: failed to create WOLFSSL object\n"); ret = -1; } } if (ret == 0) { /* make wolfSSL object nonblocking */ wolfSSL_set_using_nonblock(server_ssl, 1); } if (ret == 0) { *ctx = server_ctx; *ssl = server_ssl; } else { if (server_ssl != NULL) wolfSSL_free(server_ssl); if (server_ctx != NULL) wolfSSL_CTX_free(server_ctx); } return ret; }
int main() { int listenfd, connfd; int opt; struct sockaddr_in cliAddr, servAddr; char buff[MAXLINE]; socklen_t cliLen; WOLFSSL_CTX* ctx; wolfSSL_Init(); if ((ctx = wolfSSL_CTX_new(wolfSSLv23_server_method())) == NULL) { printf("Fatal error : wolfSSL_CTX_new error\n"); return 1; } /* use psk suite for security */ wolfSSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); wolfSSL_CTX_use_psk_identity_hint(ctx, "wolfssl server"); if (wolfSSL_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 ( ; ; ) { WOLFSSL* 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 WOLFSSL object */ if ((ssl = wolfSSL_new(ctx)) == NULL) { printf("Fatal error : wolfSSL_new error\n"); return 1; } wolfSSL_set_fd(ssl, connfd); /* set wolfSSL and socket to non blocking and respond */ wolfSSL_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 */ wolfSSL_shutdown(ssl); wolfSSL_free(ssl); if (close(connfd) == -1) { printf("Fatal error : close error\n"); return 1; } } } /* free up memory used by wolfssl */ wolfSSL_CTX_free(ctx); wolfSSL_Cleanup(); return 0; }
int main(int argc, char **argv) { int sockfd, ret; WOLFSSL_CTX* ctx; WOLFSSL* ssl; struct sockaddr_in servaddr;; /* must include an ip address of this will flag */ if (argc != 2) { printf("Usage: tcpClient <IPaddress>\n"); return 1; } wolfSSL_Init(); /* initialize wolfSSL */ /* create and initialize WOLFSSL_CTX structure */ if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) { fprintf(stderr, "SSL_CTX_new error.\n"); return 1; } /* create a stream socket using tcp,internet protocal IPv4, * full-duplex stream */ sockfd = socket(AF_INET, SOCK_STREAM, 0); /* places n zero-valued bytes in the address servaddr */ memset(&servaddr, 0, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_port = htons(SERV_PORT); /* converts IPv4 addresses from text to binary form */ ret = inet_pton(AF_INET, argv[1], &servaddr.sin_addr); if (ret != 1) { printf("inet_pton error\n"); return 1; } /* set up pre shared keys */ wolfSSL_CTX_set_psk_client_callback(ctx,My_Psk_Client_Cb); /* attempts to make a connection on a socket */ ret = connect(sockfd, (struct sockaddr *) &servaddr, sizeof(servaddr)); if (ret != 0) { printf("Connection Error\n"); return 1; } /* create wolfSSL object after each tcp connect */ if ((ssl = wolfSSL_new(ctx)) == NULL) { fprintf(stderr, "wolfSSL_new error.\n"); return 1; } /* associate the file descriptor with the session */ wolfSSL_set_fd(ssl, sockfd); /* tell wolfSSL that nonblocking is going to be used */ wolfSSL_set_using_nonblock(ssl, 1); /* invokes the fcntl callable service to get the file status * flags for a file. checks if it returns an error, if it does * stop program */ int flags = fcntl(sockfd, F_GETFL, 0); if (flags < 0) { printf("fcntl get failed\n"); return 1; } /* invokes the fcntl callable service to set file status flags. * Do not block an open, a read, or a write on the file * (do not wait for terminal input. If an error occurs, * stop program*/ flags = fcntl(sockfd, F_SETFL, flags | O_NONBLOCK); if (flags < 0) { printf("fcntl set failed\n"); return 1; } /* setting up and running nonblocking socket */ ret = NonBlockingSSL_Connect(ssl); if (ret != 0) { return 1; } /* takes inputting string and outputs it to the server */ ret = SendReceive(ssl); if (ret != 0) { return 1; } /* cleanup */ wolfSSL_free(ssl); /* when completely done using SSL/TLS, free the * wolfssl_ctx object */ wolfSSL_CTX_free(ctx); wolfSSL_Cleanup(); return ret; }
THREAD_RETURN WOLFSSL_THREAD client_test(void* args) { SOCKET_T sockfd = WOLFSSL_SOCKET_INVALID; WOLFSSL_METHOD* method = 0; WOLFSSL_CTX* ctx = 0; WOLFSSL* ssl = 0; WOLFSSL* sslResume = 0; WOLFSSL_SESSION* session = 0; char resumeMsg[32] = "resuming wolfssl!"; int resumeSz = (int)strlen(resumeMsg); char msg[32] = "hello wolfssl!"; /* GET may make bigger */ char reply[80]; int input; int msgSz = (int)strlen(msg); word16 port = wolfSSLPort; char* host = (char*)wolfSSLIP; const char* domain = "localhost"; /* can't default to www.wolfssl.com because can't tell if we're really going there to detect old chacha-poly */ int ch; int version = CLIENT_INVALID_VERSION; int usePsk = 0; int useAnon = 0; int sendGET = 0; int benchmark = 0; int throughput = 0; int doDTLS = 0; int matchName = 0; int doPeerCheck = 1; int nonBlocking = 0; int resumeSession = 0; int wc_shutdown = 0; int disableCRL = 0; int externalTest = 0; int ret; int scr = 0; /* allow secure renegotiation */ int forceScr = 0; /* force client initiaed scr */ int trackMemory = 0; int useClientCert = 1; int fewerPackets = 0; int atomicUser = 0; int pkCallbacks = 0; int overrideDateErrors = 0; int minDhKeyBits = DEFAULT_MIN_DHKEY_BITS; char* alpnList = NULL; unsigned char alpn_opt = 0; char* cipherList = NULL; const char* verifyCert = caCert; const char* ourCert = cliCert; const char* ourKey = cliKey; #ifdef HAVE_SNI char* sniHostName = NULL; #endif #ifdef HAVE_MAX_FRAGMENT byte maxFragment = 0; #endif #ifdef HAVE_TRUNCATED_HMAC byte truncatedHMAC = 0; #endif #if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) byte statusRequest = 0; #endif #ifdef HAVE_OCSP int useOcsp = 0; char* ocspUrl = NULL; #endif int argc = ((func_args*)args)->argc; char** argv = ((func_args*)args)->argv; ((func_args*)args)->return_code = -1; /* error state */ #ifdef NO_RSA verifyCert = (char*)eccCert; ourCert = (char*)cliEccCert; ourKey = (char*)cliEccKey; #endif (void)resumeSz; (void)session; (void)sslResume; (void)trackMemory; (void)atomicUser; (void)pkCallbacks; (void)scr; (void)forceScr; (void)ourKey; (void)ourCert; (void)verifyCert; (void)useClientCert; (void)overrideDateErrors; (void)disableCRL; (void)minDhKeyBits; (void)alpnList; (void)alpn_opt; StackTrap(); #ifndef WOLFSSL_VXWORKS while ((ch = mygetopt(argc, argv, "?gdeDusmNrwRitfxXUPCVh:p:v:l:A:c:k:Z:b:zS:F:L:ToO:aB:W:")) != -1) { switch (ch) { case '?' : Usage(); exit(EXIT_SUCCESS); case 'g' : sendGET = 1; break; case 'd' : doPeerCheck = 0; break; case 'e' : ShowCiphers(); exit(EXIT_SUCCESS); case 'D' : overrideDateErrors = 1; break; case 'C' : #ifdef HAVE_CRL disableCRL = 1; #endif break; case 'u' : doDTLS = 1; break; case 's' : usePsk = 1; break; case 't' : #ifdef USE_WOLFSSL_MEMORY trackMemory = 1; #endif break; case 'm' : matchName = 1; break; case 'x' : useClientCert = 0; break; case 'X' : externalTest = 1; break; case 'f' : fewerPackets = 1; break; case 'U' : #ifdef ATOMIC_USER atomicUser = 1; #endif break; case 'P' : #ifdef HAVE_PK_CALLBACKS pkCallbacks = 1; #endif break; case 'h' : host = myoptarg; domain = myoptarg; 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 'V' : ShowVersions(); exit(EXIT_SUCCESS); case 'l' : cipherList = myoptarg; break; case 'A' : verifyCert = myoptarg; break; case 'c' : ourCert = myoptarg; break; case 'k' : ourKey = myoptarg; break; case 'Z' : #ifndef NO_DH minDhKeyBits = atoi(myoptarg); if (minDhKeyBits <= 0 || minDhKeyBits > 16000) { Usage(); exit(MY_EX_USAGE); } #endif break; case 'b' : benchmark = atoi(myoptarg); if (benchmark < 0 || benchmark > 1000000) { Usage(); exit(MY_EX_USAGE); } break; case 'B' : throughput = atoi(myoptarg); if (throughput <= 0) { Usage(); exit(MY_EX_USAGE); } break; case 'N' : nonBlocking = 1; break; case 'r' : resumeSession = 1; break; case 'w' : wc_shutdown = 1; break; case 'R' : #ifdef HAVE_SECURE_RENEGOTIATION scr = 1; #endif break; case 'i' : #ifdef HAVE_SECURE_RENEGOTIATION scr = 1; forceScr = 1; #endif break; case 'z' : #ifndef WOLFSSL_LEANPSK wolfSSL_GetObjectSize(); #endif break; case 'S' : #ifdef HAVE_SNI sniHostName = myoptarg; #endif break; case 'F' : #ifdef HAVE_MAX_FRAGMENT maxFragment = atoi(myoptarg); if (maxFragment < WOLFSSL_MFL_2_9 || maxFragment > WOLFSSL_MFL_2_13) { Usage(); exit(MY_EX_USAGE); } #endif break; case 'T' : #ifdef HAVE_TRUNCATED_HMAC truncatedHMAC = 1; #endif break; case 'W' : #if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) statusRequest = atoi(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 '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 */ #endif /* !WOLFSSL_VXWORKS */ if (externalTest) { /* detect build cases that wouldn't allow test against wolfssl.com */ int done = 0; (void)done; #ifdef NO_RSA done = 1; #endif /* www.globalsign.com does not respond to ipv6 ocsp requests */ #if defined(TEST_IPV6) && defined(HAVE_OCSP) done = 1; #endif /* www.globalsign.com has limited supported cipher suites */ #if defined(NO_AES) && defined(HAVE_OCSP) done = 1; #endif /* www.globalsign.com only supports static RSA or ECDHE with AES */ /* We cannot expect users to have on static RSA so test for ECC only * as some users will most likely be on 32-bit systems where ECC * is not enabled by default */ #if defined(HAVE_OCSP) && !defined(HAVE_ECC) done = 1; #endif #ifndef NO_PSK done = 1; #endif #ifdef NO_SHA done = 1; /* external cert chain most likely has SHA */ #endif #if !defined(HAVE_ECC) && !defined(WOLFSSL_STATIC_RSA) if (!XSTRNCMP(domain, "www.google.com", 14) || !XSTRNCMP(domain, "www.wolfssl.com", 15)) { done = 1; /* google/wolfssl need ECDHE or static RSA */ } #endif #if !defined(WOLFSSL_SHA384) if (!XSTRNCMP(domain, "www.wolfssl.com", 15)) { done = 1; /* wolfssl need sha384 for cert chain verify */ } #endif #if !defined(HAVE_AESGCM) && defined(NO_AES) && \ !(defined(HAVE_CHACHA) && defined(HAVE_POLY1305)) done = 1; /* need at least on of these for external tests */ #endif if (done) { printf("external test can't be run in this mode"); ((func_args*)args)->return_code = 0; exit(EXIT_SUCCESS); } } /* 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_WOLFSSL_MEMORY if (trackMemory) InitMemoryTracker(); #endif switch (version) { #ifndef NO_OLD_TLS #ifdef WOLFSSL_ALLOW_SSLV3 case 0: method = wolfSSLv3_client_method(); break; #endif #ifndef NO_TLS case 1: method = wolfTLSv1_client_method(); break; case 2: method = wolfTLSv1_1_client_method(); break; #endif /* NO_TLS */ #endif /* NO_OLD_TLS */ #ifndef NO_TLS case 3: method = wolfTLSv1_2_client_method(); break; #endif #ifdef WOLFSSL_DTLS #ifndef NO_OLD_TLS case -1: method = wolfDTLSv1_client_method(); break; #endif case -2: method = wolfDTLSv1_2_client_method(); break; #endif default: err_sys("Bad SSL version"); break; } if (method == NULL) err_sys("unable to get method"); ctx = wolfSSL_CTX_new(method); if (ctx == NULL) err_sys("unable to get ctx"); if (cipherList) { if (wolfSSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS) err_sys("client can't set cipher list 1"); } #ifdef WOLFSSL_LEANPSK usePsk = 1; #endif #if defined(NO_RSA) && !defined(HAVE_ECC) usePsk = 1; #endif if (fewerPackets) wolfSSL_CTX_set_group_messages(ctx); #ifndef NO_DH wolfSSL_CTX_SetMinDhKey_Sz(ctx, (word16)minDhKeyBits); #endif if (usePsk) { #ifndef NO_PSK wolfSSL_CTX_set_psk_client_callback(ctx, my_psk_client_cb); if (cipherList == NULL) { const char *defaultCipherList; #if defined(HAVE_AESGCM) && !defined(NO_DH) defaultCipherList = "DHE-PSK-AES128-GCM-SHA256"; #elif defined(HAVE_NULL_CIPHER) defaultCipherList = "PSK-NULL-SHA256"; #else defaultCipherList = "PSK-AES128-CBC-SHA256"; #endif if (wolfSSL_CTX_set_cipher_list(ctx,defaultCipherList) !=SSL_SUCCESS) err_sys("client can't set cipher list 2"); } #endif useClientCert = 0; } if (useAnon) { #ifdef HAVE_ANON if (cipherList == NULL) { wolfSSL_CTX_allow_anon_cipher(ctx); if (wolfSSL_CTX_set_cipher_list(ctx,"ADH-AES128-SHA") != SSL_SUCCESS) err_sys("client can't set cipher list 4"); } #endif useClientCert = 0; } #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) wolfSSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); #endif #if defined(WOLFSSL_SNIFFER) if (cipherList == NULL) { /* don't use EDH, can't sniff tmp keys */ if (wolfSSL_CTX_set_cipher_list(ctx, "AES128-SHA") != SSL_SUCCESS) { err_sys("client can't set cipher list 3"); } } #endif #ifdef HAVE_OCSP if (useOcsp) { if (ocspUrl != NULL) { wolfSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl); wolfSSL_CTX_EnableOCSP(ctx, WOLFSSL_OCSP_NO_NONCE | WOLFSSL_OCSP_URL_OVERRIDE); } else wolfSSL_CTX_EnableOCSP(ctx, 0); } #endif #ifdef USER_CA_CB wolfSSL_CTX_SetCACb(ctx, CaCb); #endif #ifdef VERIFY_CALLBACK wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myVerify); #endif #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) if (useClientCert){ if (wolfSSL_CTX_use_certificate_chain_file(ctx, ourCert) != SSL_SUCCESS) err_sys("can't load client cert file, check file and run from" " wolfSSL home dir"); if (wolfSSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM) != SSL_SUCCESS) err_sys("can't load client private key file, check file and run " "from wolfSSL home dir"); } if (!usePsk && !useAnon) { if (wolfSSL_CTX_load_verify_locations(ctx, verifyCert,0) != SSL_SUCCESS) err_sys("can't load ca file, Please run from wolfSSL home dir"); #ifdef HAVE_ECC /* load ecc verify too, echoserver uses it by default w/ ecc */ if (wolfSSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS) err_sys("can't load ecc ca file, Please run from wolfSSL home dir"); #endif /* HAVE_ECC */ } #endif /* !NO_FILESYSTEM && !NO_CERTS */ #if !defined(NO_CERTS) if (!usePsk && !useAnon && doPeerCheck == 0) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); if (!usePsk && !useAnon && overrideDateErrors == 1) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_PEER, myDateCb); #endif #ifdef HAVE_CAVIUM wolfSSL_CTX_UseCavium(ctx, CAVIUM_DEV_ID); #endif #ifdef HAVE_SNI if (sniHostName) if (wolfSSL_CTX_UseSNI(ctx, 0, sniHostName, XSTRLEN(sniHostName)) != SSL_SUCCESS) err_sys("UseSNI failed"); #endif #ifdef HAVE_MAX_FRAGMENT if (maxFragment) if (wolfSSL_CTX_UseMaxFragment(ctx, maxFragment) != SSL_SUCCESS) err_sys("UseMaxFragment failed"); #endif #ifdef HAVE_TRUNCATED_HMAC if (truncatedHMAC) if (wolfSSL_CTX_UseTruncatedHMAC(ctx) != SSL_SUCCESS) err_sys("UseTruncatedHMAC failed"); #endif #ifdef HAVE_SESSION_TICKET if (wolfSSL_CTX_UseSessionTicket(ctx) != SSL_SUCCESS) err_sys("UseSessionTicket failed"); #endif if (benchmark) { ((func_args*)args)->return_code = ClientBenchmarkConnections(ctx, host, port, doDTLS, benchmark, resumeSession); wolfSSL_CTX_free(ctx); exit(EXIT_SUCCESS); } if(throughput) { ((func_args*)args)->return_code = ClientBenchmarkThroughput(ctx, host, port, doDTLS, throughput); wolfSSL_CTX_free(ctx); exit(EXIT_SUCCESS); } #if defined(WOLFSSL_MDK_ARM) wolfSSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, 0); #endif ssl = wolfSSL_new(ctx); if (ssl == NULL) err_sys("unable to get SSL object"); #ifdef HAVE_SUPPORTED_CURVES /* add curves to supported curves extension */ if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP256R1) != SSL_SUCCESS) { err_sys("unable to set curve secp256r1"); } if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP384R1) != SSL_SUCCESS) { err_sys("unable to set curve secp384r1"); } if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP521R1) != SSL_SUCCESS) { err_sys("unable to set curve secp521r1"); } if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP224R1) != SSL_SUCCESS) { err_sys("unable to set curve secp224r1"); } if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP192R1) != SSL_SUCCESS) { err_sys("unable to set curve secp192r1"); } if (wolfSSL_UseSupportedCurve(ssl, WOLFSSL_ECC_SECP160R1) != SSL_SUCCESS) { err_sys("unable to set curve secp160r1"); } #endif #ifdef HAVE_SESSION_TICKET wolfSSL_set_SessionTicket_cb(ssl, sessionTicketCB, (void*)"initial session"); #endif #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 HAVE_CERTIFICATE_STATUS_REQUEST if (statusRequest) { switch (statusRequest) { case WOLFSSL_CSR_OCSP: if (wolfSSL_UseOCSPStapling(ssl, WOLFSSL_CSR_OCSP, WOLFSSL_CSR_OCSP_USE_NONCE) != SSL_SUCCESS) err_sys("UseCertificateStatusRequest failed"); break; } wolfSSL_CTX_EnableOCSP(ctx, 0); } #endif #ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2 if (statusRequest) { switch (statusRequest) { case WOLFSSL_CSR2_OCSP: if (wolfSSL_UseOCSPStaplingV2(ssl, WOLFSSL_CSR2_OCSP, WOLFSSL_CSR2_OCSP_USE_NONCE) != SSL_SUCCESS) err_sys("UseCertificateStatusRequest failed"); break; case WOLFSSL_CSR2_OCSP_MULTI: if (wolfSSL_UseOCSPStaplingV2(ssl, WOLFSSL_CSR2_OCSP_MULTI, 0) != SSL_SUCCESS) err_sys("UseCertificateStatusRequest failed"); break; } wolfSSL_CTX_EnableOCSP(ctx, 0); } #endif tcp_connect(&sockfd, host, port, doDTLS, ssl); wolfSSL_set_fd(ssl, sockfd); #ifdef HAVE_CRL if (disableCRL == 0) { if (wolfSSL_EnableCRL(ssl, WOLFSSL_CRL_CHECKALL) != SSL_SUCCESS) err_sys("can't enable crl check"); if (wolfSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, 0) != SSL_SUCCESS) err_sys("can't load crl, check crlfile and date validity"); if (wolfSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS) err_sys("can't set crl callback"); } #endif #ifdef HAVE_SECURE_RENEGOTIATION if (scr) { if (wolfSSL_UseSecureRenegotiation(ssl) != SSL_SUCCESS) err_sys("can't enable secure renegotiation"); } #endif #ifdef ATOMIC_USER if (atomicUser) SetupAtomicUser(ctx, ssl); #endif #ifdef HAVE_PK_CALLBACKS if (pkCallbacks) SetupPkCallbacks(ctx, ssl); #endif if (matchName && doPeerCheck) wolfSSL_check_domain_name(ssl, domain); #ifndef WOLFSSL_CALLBACKS if (nonBlocking) { wolfSSL_set_using_nonblock(ssl, 1); tcp_set_nonblocking(&sockfd); NonBlockingSSL_Connect(ssl); } else if (wolfSSL_connect(ssl) != SSL_SUCCESS) { /* see note at top of README */ int err = wolfSSL_get_error(ssl, 0); char buffer[WOLFSSL_MAX_ERROR_SZ]; printf("err = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer)); err_sys("SSL_connect failed"); /* if you're getting an error here */ } #else timeout.tv_sec = 2; timeout.tv_usec = 0; NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */ #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("Received ALPN protocol : %s (%d)\n", protocol_name, protocol_nameSz); else if (err == SSL_ALPN_NOT_FOUND) printf("No ALPN response received (no match with server)\n"); else printf("Getting ALPN protocol name failed\n"); } #endif #ifdef HAVE_SECURE_RENEGOTIATION if (scr && forceScr) { if (nonBlocking) { printf("not doing secure renegotiation on example with" " nonblocking yet"); } else { if (wolfSSL_Rehandshake(ssl) != SSL_SUCCESS) { int err = wolfSSL_get_error(ssl, 0); char buffer[WOLFSSL_MAX_ERROR_SZ]; printf("err = %d, %s\n", err, wolfSSL_ERR_error_string(err, buffer)); err_sys("wolfSSL_Rehandshake failed"); } } } #endif /* HAVE_SECURE_RENEGOTIATION */ if (sendGET) { printf("SSL connect ok, sending GET...\n"); msgSz = 28; strncpy(msg, "GET /index.html HTTP/1.0\r\n\r\n", msgSz); msg[msgSz] = '\0'; resumeSz = msgSz; strncpy(resumeMsg, "GET /index.html HTTP/1.0\r\n\r\n", resumeSz); resumeMsg[resumeSz] = '\0'; } if (wolfSSL_write(ssl, msg, msgSz) != msgSz) err_sys("SSL_write failed"); input = wolfSSL_read(ssl, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("Server response: %s\n", reply); if (sendGET) { /* get html */ while (1) { input = wolfSSL_read(ssl, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("%s\n", reply); } else break; } } } else if (input < 0) { int readErr = wolfSSL_get_error(ssl, 0); if (readErr != SSL_ERROR_WANT_READ) err_sys("wolfSSL_read failed"); } #ifndef NO_SESSION_CACHE if (resumeSession) { session = wolfSSL_get_session(ssl); sslResume = wolfSSL_new(ctx); if (sslResume == NULL) err_sys("unable to get SSL object"); } #endif if (doDTLS == 0) { /* don't send alert after "break" command */ ret = wolfSSL_shutdown(ssl); if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE) wolfSSL_shutdown(ssl); /* bidirectional shutdown */ } #ifdef ATOMIC_USER if (atomicUser) FreeAtomicUser(ssl); #endif wolfSSL_free(ssl); CloseSocket(sockfd); #ifndef NO_SESSION_CACHE if (resumeSession) { if (doDTLS) { #ifdef USE_WINDOWS_API Sleep(500); #elif defined(WOLFSSL_TIRTOS) Task_sleep(1); #else sleep(1); #endif } tcp_connect(&sockfd, host, port, doDTLS, sslResume); wolfSSL_set_fd(sslResume, sockfd); #ifdef HAVE_ALPN if (alpnList != NULL) { printf("ALPN accepted protocols list : %s\n", alpnList); wolfSSL_UseALPN(sslResume, alpnList, (word32)XSTRLEN(alpnList), alpn_opt); } #endif #ifdef HAVE_SECURE_RENEGOTIATION if (scr) { if (wolfSSL_UseSecureRenegotiation(sslResume) != SSL_SUCCESS) err_sys("can't enable secure renegotiation"); } #endif wolfSSL_set_session(sslResume, session); #ifdef HAVE_SESSION_TICKET wolfSSL_set_SessionTicket_cb(sslResume, sessionTicketCB, (void*)"resumed session"); #endif #ifndef WOLFSSL_CALLBACKS if (nonBlocking) { wolfSSL_set_using_nonblock(sslResume, 1); tcp_set_nonblocking(&sockfd); NonBlockingSSL_Connect(sslResume); } else if (wolfSSL_connect(sslResume) != SSL_SUCCESS) err_sys("SSL resume failed"); #else timeout.tv_sec = 2; timeout.tv_usec = 0; NonBlockingSSL_Connect(ssl); /* will keep retrying on timeout */ #endif showPeer(sslResume); if (wolfSSL_session_reused(sslResume)) printf("reused session id\n"); else printf("didn't reuse session id!!!\n"); #ifdef HAVE_ALPN if (alpnList != NULL) { int err; char *protocol_name = NULL; word16 protocol_nameSz = 0; printf("Sending ALPN accepted list : %s\n", alpnList); err = wolfSSL_ALPN_GetProtocol(sslResume, &protocol_name, &protocol_nameSz); if (err == SSL_SUCCESS) printf("Received ALPN protocol : %s (%d)\n", protocol_name, protocol_nameSz); else if (err == SSL_ALPN_NOT_FOUND) printf("Not received ALPN response (no match with server)\n"); else printf("Getting ALPN protocol name failed\n"); } #endif if (wolfSSL_write(sslResume, resumeMsg, resumeSz) != resumeSz) err_sys("SSL_write failed"); if (nonBlocking) { /* give server a chance to bounce a message back to client */ #ifdef USE_WINDOWS_API Sleep(500); #elif defined(WOLFSSL_TIRTOS) Task_sleep(1); #else sleep(1); #endif } input = wolfSSL_read(sslResume, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("Server resume response: %s\n", reply); if (sendGET) { /* get html */ while (1) { input = wolfSSL_read(sslResume, reply, sizeof(reply)-1); if (input > 0) { reply[input] = 0; printf("%s\n", reply); } else break; } } } else if (input < 0) { int readErr = wolfSSL_get_error(ssl, 0); if (readErr != SSL_ERROR_WANT_READ) err_sys("wolfSSL_read failed"); } /* try to send session break */ wolfSSL_write(sslResume, msg, msgSz); ret = wolfSSL_shutdown(sslResume); if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE) wolfSSL_shutdown(sslResume); /* bidirectional shutdown */ wolfSSL_free(sslResume); CloseSocket(sockfd); } #endif /* NO_SESSION_CACHE */ wolfSSL_CTX_free(ctx); ((func_args*)args)->return_code = 0; #ifdef USE_WOLFSSL_MEMORY if (trackMemory) ShowMemoryTracker(); #endif /* USE_WOLFSSL_MEMORY */ #if !defined(WOLFSSL_TIRTOS) return 0; #endif }
int lws_ssl_client_bio_create(struct lws *wsi) { struct lws_context *context = wsi->context; #if defined(CYASSL_SNI_HOST_NAME) || defined(WOLFSSL_SNI_HOST_NAME) || defined(SSL_CTRL_SET_TLSEXT_HOSTNAME) const char *hostname = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_HOST); #endif wsi->ssl = SSL_new(wsi->vhost->ssl_client_ctx); #ifndef USE_WOLFSSL SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); #endif /* * use server name indication (SNI), if supported, * when establishing connection */ #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL #ifdef CYASSL_SNI_HOST_NAME CyaSSL_UseSNI(wsi->ssl, CYASSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #else #ifdef WOLFSSL_SNI_HOST_NAME wolfSSL_UseSNI(wsi->ssl, WOLFSSL_SNI_HOST_NAME, hostname, strlen(hostname)); #endif #endif #else #ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME SSL_set_tlsext_host_name(wsi->ssl, hostname); #endif #endif #ifdef USE_WOLFSSL /* * wolfSSL/CyaSSL does certificate verification differently * from OpenSSL. * If we should ignore the certificate, we need to set * this before SSL_new and SSL_connect is called. * Otherwise the connect will simply fail with error code -155 */ #ifdef USE_OLD_CYASSL if (wsi->use_ssl == 2) CyaSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #else if (wsi->use_ssl == 2) wolfSSL_set_verify(wsi->ssl, SSL_VERIFY_NONE, NULL); #endif #endif /* USE_WOLFSSL */ wsi->client_bio = BIO_new_socket(wsi->sock, BIO_NOCLOSE); SSL_set_bio(wsi->ssl, wsi->client_bio, wsi->client_bio); #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else BIO_set_nbio(wsi->client_bio, 1); /* nonblocking */ #endif SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, context); return 0; }
LWS_VISIBLE int lws_server_socket_service_ssl(struct lws *wsi, lws_sockfd_type accept_fd) { struct lws_context *context = wsi->context; struct lws_context_per_thread *pt = &context->pt[(int)wsi->tsi]; int n, m; #if !defined(USE_WOLFSSL) && !defined(LWS_USE_POLARSSL) && !defined(LWS_USE_MBEDTLS) BIO *bio; #endif if (!LWS_SSL_ENABLED(wsi->vhost)) return 0; switch (wsi->mode) { case LWSCM_SSL_INIT: if (wsi->ssl) lwsl_err("%s: leaking ssl\n", __func__); if (accept_fd == LWS_SOCK_INVALID) assert(0); #if defined(LWS_USE_POLARSSL) { ssl_session *ssn; int rc; wsi->ssl = lws_zalloc(sizeof(ssl_context)); ssn = lws_zalloc(sizeof(ssl_session)); rc = ssl_init(wsi->ssl); if (rc) { lwsl_err("ssl_init failed\n"); goto fail; } ssl_set_endpoint(wsi->ssl, SSL_IS_SERVER); ssl_set_authmode(wsi->ssl, SSL_VERIFY_OPTIONAL); ssl_set_rng(wsi->ssl, urandom_bytes, NULL); ssl_set_dbg(wsi->ssl, pssl_debug, NULL); ssl_set_bio(wsi->ssl, net_recv, &wsi->sock, net_send, &wsi->sock); ssl_set_ciphersuites(wsi->ssl, ciphers); ssl_set_session(wsi->ssl, ssn); ssl_set_ca_chain(wsi->ssl, &wsi->vhost->ssl_ctx->ca, NULL, NULL); ssl_set_own_cert_rsa(wsi->ssl, &wsi->vhost->ssl_ctx->certificate, &wsi->vhost->ssl_ctx->key); // ssl_set_dh_param(wsi->ssl, my_dhm_P, my_dhm_G); lwsl_err("%s: polarssl init done\n", __func__); } #else #if defined(LWS_USE_MBEDTLS) #else wsi->ssl = SSL_new(wsi->vhost->ssl_ctx); if (wsi->ssl == NULL) { lwsl_err("SSL_new failed: %s\n", ERR_error_string(lws_ssl_get_error(wsi, 0), NULL)); lws_decode_ssl_error(); if (accept_fd != LWS_SOCK_INVALID) compatible_close(accept_fd); goto fail; } SSL_set_ex_data(wsi->ssl, openssl_websocket_private_data_index, wsi->vhost); SSL_set_fd(wsi->ssl, accept_fd); #endif #endif #ifdef USE_WOLFSSL #ifdef USE_OLD_CYASSL CyaSSL_set_using_nonblock(wsi->ssl, 1); #else wolfSSL_set_using_nonblock(wsi->ssl, 1); #endif #else #if defined(LWS_USE_POLARSSL) #else #if defined(LWS_USE_MBEDTLS) #else SSL_set_mode(wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER); bio = SSL_get_rbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); bio = SSL_get_wbio(wsi->ssl); if (bio) BIO_set_nbio(bio, 1); /* nonblocking */ else lwsl_notice("NULL rbio\n"); #endif #endif #endif /* * we are not accepted yet, but we need to enter ourselves * as a live connection. That way we can retry when more * pieces come if we're not sorted yet */ wsi->mode = LWSCM_SSL_ACK_PENDING; if (insert_wsi_socket_into_fds(context, wsi)) { lwsl_err("%s: failed to insert into fds\n", __func__); goto fail; } lws_set_timeout(wsi, PENDING_TIMEOUT_SSL_ACCEPT, context->timeout_secs); lwsl_info("inserted SSL accept into fds, trying SSL_accept\n"); /* fallthru */ case LWSCM_SSL_ACK_PENDING: if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) { lwsl_err("%s: lws_change_pollfd failed\n", __func__); goto fail; } lws_latency_pre(context, wsi); n = recv(wsi->sock, (char *)pt->serv_buf, context->pt_serv_buf_size, MSG_PEEK); /* * optionally allow non-SSL connect on SSL listening socket * This is disabled by default, if enabled it goes around any * SSL-level access control (eg, client-side certs) so leave * it disabled unless you know it's not a problem for you */ if (wsi->vhost->allow_non_ssl_on_ssl_port) { if (n >= 1 && pt->serv_buf[0] >= ' ') { /* * TLS content-type for Handshake is 0x16, and * for ChangeCipherSpec Record, it's 0x14 * * A non-ssl session will start with the HTTP * method in ASCII. If we see it's not a legit * SSL handshake kill the SSL for this * connection and try to handle as a HTTP * connection upgrade directly. */ wsi->use_ssl = 0; #if defined(LWS_USE_POLARSSL) ssl_close_notify(wsi->ssl); ssl_free(wsi->ssl); #else #if defined(LWS_USE_MBEDTLS) #else SSL_shutdown(wsi->ssl); SSL_free(wsi->ssl); #endif #endif wsi->ssl = NULL; if (lws_check_opt(context->options, LWS_SERVER_OPTION_REDIRECT_HTTP_TO_HTTPS)) wsi->redirect_to_https = 1; goto accepted; } if (!n) /* * connection is gone, or nothing to read * if it's gone, we will timeout on * PENDING_TIMEOUT_SSL_ACCEPT */ break; if (n < 0 && (LWS_ERRNO == LWS_EAGAIN || LWS_ERRNO == LWS_EWOULDBLOCK)) { /* * well, we get no way to know ssl or not * so go around again waiting for something * to come and give us a hint, or timeout the * connection. */ m = SSL_ERROR_WANT_READ; goto go_again; } } /* normal SSL connection processing path */ #if defined(LWS_USE_POLARSSL) n = ssl_handshake(wsi->ssl); #else #if defined(LWS_USE_MBEDTLS) #else n = SSL_accept(wsi->ssl); #endif #endif lws_latency(context, wsi, "SSL_accept LWSCM_SSL_ACK_PENDING\n", n, n == 1); if (n == 1) goto accepted; m = lws_ssl_get_error(wsi, n); lwsl_debug("SSL_accept failed %d / %s\n", m, ERR_error_string(m, NULL)); go_again: if (m == SSL_ERROR_WANT_READ) { if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) { lwsl_err("%s: WANT_READ change_pollfd failed\n", __func__); goto fail; } lwsl_info("SSL_ERROR_WANT_READ\n"); break; } if (m == SSL_ERROR_WANT_WRITE) { if (lws_change_pollfd(wsi, 0, LWS_POLLOUT)) { lwsl_err("%s: WANT_WRITE change_pollfd failed\n", __func__); goto fail; } break; } lwsl_err("SSL_accept failed skt %u: %s\n", wsi->sock, ERR_error_string(m, NULL)); lws_ssl_elaborate_error(); goto fail; accepted: /* OK, we are accepted... give him some time to negotiate */ lws_set_timeout(wsi, PENDING_TIMEOUT_ESTABLISH_WITH_SERVER, context->timeout_secs); wsi->mode = LWSCM_HTTP_SERVING; lws_http2_configure_if_upgraded(wsi); lwsl_debug("accepted new SSL conn\n"); break; } return 0; fail: return 1; }