| /* server.c |
| * |
| * Copyright (C) 2006-2014 wolfSSL Inc. |
| * |
| * This file is part of CyaSSL. |
| * |
| * CyaSSL is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * CyaSSL is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #ifdef HAVE_CONFIG_H |
| #include <config.h> |
| #endif |
| |
| #include <cyassl/ctaocrypt/settings.h> |
| |
| #if !defined(CYASSL_TRACK_MEMORY) && !defined(NO_MAIN_DRIVER) |
| /* in case memory tracker wants stats */ |
| #define CYASSL_TRACK_MEMORY |
| #endif |
| |
| #if defined(CYASSL_MDK_ARM) |
| #include <stdio.h> |
| #include <string.h> |
| |
| #if defined(CYASSL_MDK5) |
| #include "cmsis_os.h" |
| #include "rl_fs.h" |
| #include "rl_net.h" |
| #else |
| #include "rtl.h" |
| #endif |
| |
| #include "cyassl_MDK_ARM.h" |
| #endif |
| #include <cyassl/openssl/ssl.h> |
| #include <cyassl/test.h> |
| |
| #include "examples/server/server.h" |
| |
| |
| #ifdef CYASSL_CALLBACKS |
| int srvHandShakeCB(HandShakeInfo*); |
| int srvTimeoutCB(TimeoutInfo*); |
| Timeval srvTo; |
| #endif |
| |
| static void NonBlockingSSL_Accept(SSL* ssl) |
| { |
| #ifndef CYASSL_CALLBACKS |
| int ret = SSL_accept(ssl); |
| #else |
| int ret = CyaSSL_accept_ex(ssl, srvHandShakeCB, srvTimeoutCB, srvTo); |
| #endif |
| int error = SSL_get_error(ssl, 0); |
| SOCKET_T sockfd = (SOCKET_T)CyaSSL_get_fd(ssl); |
| int select_ret; |
| |
| while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ || |
| error == SSL_ERROR_WANT_WRITE)) { |
| int currTimeout = 1; |
| |
| if (error == SSL_ERROR_WANT_READ) |
| printf("... server would read block\n"); |
| else |
| printf("... server would write block\n"); |
| |
| #ifdef CYASSL_DTLS |
| currTimeout = CyaSSL_dtls_get_current_timeout(ssl); |
| #endif |
| select_ret = tcp_select(sockfd, currTimeout); |
| |
| if ((select_ret == TEST_RECV_READY) || |
| (select_ret == TEST_ERROR_READY)) { |
| #ifndef CYASSL_CALLBACKS |
| ret = SSL_accept(ssl); |
| #else |
| ret = CyaSSL_accept_ex(ssl, |
| srvHandShakeCB, srvTimeoutCB, srvTo); |
| #endif |
| error = SSL_get_error(ssl, 0); |
| } |
| else if (select_ret == TEST_TIMEOUT && !CyaSSL_dtls(ssl)) { |
| error = SSL_ERROR_WANT_READ; |
| } |
| #ifdef CYASSL_DTLS |
| else if (select_ret == TEST_TIMEOUT && CyaSSL_dtls(ssl) && |
| CyaSSL_dtls_got_timeout(ssl) >= 0) { |
| error = SSL_ERROR_WANT_READ; |
| } |
| #endif |
| else { |
| error = SSL_FATAL_ERROR; |
| } |
| } |
| if (ret != SSL_SUCCESS) |
| err_sys("SSL_accept failed"); |
| } |
| |
| |
| static void Usage(void) |
| { |
| printf("server " LIBCYASSL_VERSION_STRING |
| " NOTE: All files relative to CyaSSL home dir\n"); |
| printf("-? Help, print this usage\n"); |
| printf("-p <num> Port to listen on, not 0, default %d\n", yasslPort); |
| printf("-v <num> SSL version [0-3], SSLv3(0) - TLS1.2(3)), default %d\n", |
| SERVER_DEFAULT_VERSION); |
| printf("-l <str> Cipher list\n"); |
| printf("-c <file> Certificate file, default %s\n", svrCert); |
| printf("-k <file> Key file, default %s\n", svrKey); |
| printf("-A <file> Certificate Authority file, default %s\n", cliCert); |
| printf("-d Disable client cert check\n"); |
| printf("-b Bind to any interface instead of localhost only\n"); |
| printf("-s Use pre Shared keys\n"); |
| printf("-t Track CyaSSL memory use\n"); |
| printf("-u Use UDP DTLS," |
| " add -v 2 for DTLSv1 (default), -v 3 for DTLSv1.2\n"); |
| printf("-f Fewer packets/group messages\n"); |
| printf("-N Use Non-blocking sockets\n"); |
| printf("-S <str> Use Host Name Indication\n"); |
| #ifdef HAVE_OCSP |
| printf("-o Perform OCSP lookup on peer certificate\n"); |
| printf("-O <url> Perform OCSP lookup using <url> as responder\n"); |
| #endif |
| #ifdef HAVE_PK_CALLBACKS |
| printf("-P Public Key Callbacks\n"); |
| #endif |
| } |
| |
| THREAD_RETURN CYASSL_THREAD server_test(void* args) |
| { |
| SOCKET_T sockfd = 0; |
| SOCKET_T clientfd = 0; |
| |
| SSL_METHOD* method = 0; |
| SSL_CTX* ctx = 0; |
| SSL* ssl = 0; |
| |
| char msg[] = "I hear you fa shizzle!"; |
| char input[80]; |
| int idx; |
| int ch; |
| int version = SERVER_DEFAULT_VERSION; |
| int doCliCertCheck = 1; |
| int useAnyAddr = 0; |
| word16 port = yasslPort; |
| int usePsk = 0; |
| int doDTLS = 0; |
| int useNtruKey = 0; |
| int nonBlocking = 0; |
| int trackMemory = 0; |
| int fewerPackets = 0; |
| int pkCallbacks = 0; |
| char* cipherList = NULL; |
| const char* verifyCert = cliCert; |
| const char* ourCert = svrCert; |
| const char* ourKey = svrKey; |
| int argc = ((func_args*)args)->argc; |
| char** argv = ((func_args*)args)->argv; |
| |
| #ifdef HAVE_SNI |
| char* sniHostName = NULL; |
| #endif |
| |
| #ifdef HAVE_OCSP |
| int useOcsp = 0; |
| char* ocspUrl = NULL; |
| #endif |
| |
| ((func_args*)args)->return_code = -1; /* error state */ |
| |
| #ifdef NO_RSA |
| verifyCert = (char*)cliEccCert; |
| ourCert = (char*)eccCert; |
| ourKey = (char*)eccKey; |
| #endif |
| (void)trackMemory; |
| (void)pkCallbacks; |
| |
| while ((ch = mygetopt(argc, argv, "?dbstnNufPp:v:l:A:c:k:S:oO:")) != -1) { |
| switch (ch) { |
| case '?' : |
| Usage(); |
| exit(EXIT_SUCCESS); |
| |
| case 'd' : |
| doCliCertCheck = 0; |
| break; |
| |
| case 'b' : |
| useAnyAddr = 1; |
| break; |
| |
| case 's' : |
| usePsk = 1; |
| break; |
| |
| case 't' : |
| #ifdef USE_CYASSL_MEMORY |
| trackMemory = 1; |
| #endif |
| break; |
| |
| case 'n' : |
| useNtruKey = 1; |
| break; |
| |
| case 'u' : |
| doDTLS = 1; |
| break; |
| |
| case 'f' : |
| fewerPackets = 1; |
| break; |
| |
| case 'P' : |
| #ifdef HAVE_PK_CALLBACKS |
| pkCallbacks = 1; |
| #endif |
| break; |
| |
| case 'p' : |
| port = (word16)atoi(myoptarg); |
| #if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API) |
| if (port == 0) |
| err_sys("port number cannot be 0"); |
| #endif |
| break; |
| |
| case 'v' : |
| version = atoi(myoptarg); |
| if (version < 0 || version > 3) { |
| Usage(); |
| exit(MY_EX_USAGE); |
| } |
| break; |
| |
| case 'l' : |
| cipherList = myoptarg; |
| break; |
| |
| case 'A' : |
| verifyCert = myoptarg; |
| break; |
| |
| case 'c' : |
| ourCert = myoptarg; |
| break; |
| |
| case 'k' : |
| ourKey = myoptarg; |
| break; |
| |
| case 'N': |
| nonBlocking = 1; |
| break; |
| |
| case 'S' : |
| #ifdef HAVE_SNI |
| sniHostName = myoptarg; |
| #endif |
| break; |
| |
| case 'o' : |
| #ifdef HAVE_OCSP |
| useOcsp = 1; |
| #endif |
| break; |
| |
| case 'O' : |
| #ifdef HAVE_OCSP |
| useOcsp = 1; |
| ocspUrl = myoptarg; |
| #endif |
| break; |
| |
| default: |
| Usage(); |
| exit(MY_EX_USAGE); |
| } |
| } |
| |
| myoptind = 0; /* reset for test cases */ |
| |
| /* sort out DTLS versus TLS versions */ |
| if (version == CLIENT_INVALID_VERSION) { |
| if (doDTLS) |
| version = CLIENT_DTLS_DEFAULT_VERSION; |
| else |
| version = CLIENT_DEFAULT_VERSION; |
| } |
| else { |
| if (doDTLS) { |
| if (version == 3) |
| version = -2; |
| else |
| version = -1; |
| } |
| } |
| |
| #ifdef USE_CYASSL_MEMORY |
| if (trackMemory) |
| InitMemoryTracker(); |
| #endif |
| |
| switch (version) { |
| #ifndef NO_OLD_TLS |
| case 0: |
| method = SSLv3_server_method(); |
| break; |
| |
| #ifndef NO_TLS |
| case 1: |
| method = TLSv1_server_method(); |
| break; |
| |
| |
| case 2: |
| method = TLSv1_1_server_method(); |
| break; |
| |
| #endif |
| #endif |
| |
| #ifndef NO_TLS |
| case 3: |
| method = TLSv1_2_server_method(); |
| break; |
| #endif |
| |
| #ifdef CYASSL_DTLS |
| case -1: |
| method = DTLSv1_server_method(); |
| break; |
| |
| case -2: |
| method = DTLSv1_2_server_method(); |
| break; |
| #endif |
| |
| default: |
| err_sys("Bad SSL version"); |
| } |
| |
| if (method == NULL) |
| err_sys("unable to get method"); |
| |
| ctx = SSL_CTX_new(method); |
| if (ctx == NULL) |
| err_sys("unable to get ctx"); |
| |
| if (cipherList) |
| if (SSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS) |
| err_sys("server can't set cipher list 1"); |
| |
| #ifdef CYASSL_LEANPSK |
| usePsk = 1; |
| #endif |
| |
| #if defined(NO_RSA) && !defined(HAVE_ECC) |
| usePsk = 1; |
| #endif |
| |
| if (fewerPackets) |
| CyaSSL_CTX_set_group_messages(ctx); |
| |
| #if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER) |
| SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack); |
| #endif |
| |
| #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) |
| if (!usePsk) { |
| if (SSL_CTX_use_certificate_file(ctx, ourCert, SSL_FILETYPE_PEM) |
| != SSL_SUCCESS) |
| err_sys("can't load server cert file, check file and run from" |
| " CyaSSL home dir"); |
| } |
| #endif |
| |
| #ifdef HAVE_NTRU |
| if (useNtruKey) { |
| if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ourKey) |
| != SSL_SUCCESS) |
| err_sys("can't load ntru key file, " |
| "Please run from CyaSSL home dir"); |
| } |
| #endif |
| |
| #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) |
| if (!useNtruKey && !usePsk) { |
| if (SSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM) |
| != SSL_SUCCESS) |
| err_sys("can't load server private key file, check file and run " |
| "from CyaSSL home dir"); |
| } |
| #endif |
| |
| if (usePsk) { |
| #ifndef NO_PSK |
| SSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb); |
| SSL_CTX_use_psk_identity_hint(ctx, "cyassl server"); |
| if (cipherList == NULL) { |
| const char *defaultCipherList; |
| #ifdef HAVE_NULL_CIPHER |
| defaultCipherList = "PSK-NULL-SHA256"; |
| #else |
| defaultCipherList = "PSK-AES128-CBC-SHA256"; |
| #endif |
| if (SSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS) |
| err_sys("server can't set cipher list 2"); |
| } |
| #endif |
| } |
| |
| #if !defined(NO_FILESYSTEM) && !defined(NO_CERTS) |
| /* if not using PSK, verify peer with certs */ |
| if (doCliCertCheck && usePsk == 0) { |
| SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | |
| SSL_VERIFY_FAIL_IF_NO_PEER_CERT,0); |
| if (SSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS) |
| err_sys("can't load ca file, Please run from CyaSSL home dir"); |
| } |
| #endif |
| |
| #if defined(CYASSL_SNIFFER) && !defined(HAVE_NTRU) && !defined(HAVE_ECC) |
| /* don't use EDH, can't sniff tmp keys */ |
| if (cipherList == NULL) { |
| if (SSL_CTX_set_cipher_list(ctx, "AES256-SHA256") != SSL_SUCCESS) |
| err_sys("server can't set cipher list 3"); |
| } |
| #endif |
| |
| #ifdef HAVE_SNI |
| if (sniHostName) |
| if (CyaSSL_CTX_UseSNI(ctx, CYASSL_SNI_HOST_NAME, sniHostName, |
| XSTRLEN(sniHostName)) != SSL_SUCCESS) |
| err_sys("UseSNI failed"); |
| #endif |
| |
| ssl = SSL_new(ctx); |
| if (ssl == NULL) |
| err_sys("unable to get SSL"); |
| |
| #ifdef HAVE_CRL |
| CyaSSL_EnableCRL(ssl, 0); |
| CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, CYASSL_CRL_MONITOR | |
| CYASSL_CRL_START_MON); |
| CyaSSL_SetCRL_Cb(ssl, CRL_CallBack); |
| #endif |
| #ifdef HAVE_OCSP |
| if (useOcsp) { |
| if (ocspUrl != NULL) { |
| CyaSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl); |
| CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE |
| | CYASSL_OCSP_URL_OVERRIDE); |
| } |
| else |
| CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE); |
| } |
| #endif |
| #ifdef HAVE_PK_CALLBACKS |
| if (pkCallbacks) |
| SetupPkCallbacks(ctx, ssl); |
| #endif |
| |
| tcp_accept(&sockfd, &clientfd, (func_args*)args, port, useAnyAddr, doDTLS); |
| if (!doDTLS) |
| CloseSocket(sockfd); |
| |
| SSL_set_fd(ssl, clientfd); |
| if (usePsk == 0 || cipherList != NULL) { |
| #if !defined(NO_FILESYSTEM) && !defined(NO_DH) |
| CyaSSL_SetTmpDH_file(ssl, dhParam, SSL_FILETYPE_PEM); |
| #elif !defined(NO_DH) |
| SetDH(ssl); /* repick suites with DHE, higher priority than PSK */ |
| #endif |
| } |
| |
| #ifndef CYASSL_CALLBACKS |
| if (nonBlocking) { |
| CyaSSL_set_using_nonblock(ssl, 1); |
| tcp_set_nonblocking(&clientfd); |
| NonBlockingSSL_Accept(ssl); |
| } else if (SSL_accept(ssl) != SSL_SUCCESS) { |
| int err = SSL_get_error(ssl, 0); |
| char buffer[CYASSL_MAX_ERROR_SZ]; |
| printf("error = %d, %s\n", err, ERR_error_string(err, buffer)); |
| err_sys("SSL_accept failed"); |
| } |
| #else |
| NonBlockingSSL_Accept(ssl); |
| #endif |
| showPeer(ssl); |
| |
| idx = SSL_read(ssl, input, sizeof(input)-1); |
| if (idx > 0) { |
| input[idx] = 0; |
| printf("Client message: %s\n", input); |
| |
| } |
| else if (idx < 0) { |
| int readErr = SSL_get_error(ssl, 0); |
| if (readErr != SSL_ERROR_WANT_READ) |
| err_sys("SSL_read failed"); |
| } |
| |
| if (SSL_write(ssl, msg, sizeof(msg)) != sizeof(msg)) |
| err_sys("SSL_write failed"); |
| |
| #if defined(CYASSL_MDK_SHELL) && defined(HAVE_MDK_RTX) |
| os_dly_wait(500) ; |
| #endif |
| |
| SSL_shutdown(ssl); |
| SSL_free(ssl); |
| SSL_CTX_free(ctx); |
| |
| CloseSocket(clientfd); |
| ((func_args*)args)->return_code = 0; |
| |
| #ifdef USE_CYASSL_MEMORY |
| if (trackMemory) |
| ShowMemoryTracker(); |
| #endif /* USE_CYASSL_MEMORY */ |
| |
| return 0; |
| } |
| |
| |
| /* so overall tests can pull in test function */ |
| #ifndef NO_MAIN_DRIVER |
| |
| int main(int argc, char** argv) |
| { |
| func_args args; |
| |
| #ifdef HAVE_CAVIUM |
| int ret = OpenNitroxDevice(CAVIUM_DIRECT, CAVIUM_DEV_ID); |
| if (ret != 0) |
| err_sys("Cavium OpenNitroxDevice failed"); |
| #endif /* HAVE_CAVIUM */ |
| |
| StartTCP(); |
| |
| args.argc = argc; |
| args.argv = argv; |
| |
| CyaSSL_Init(); |
| #if defined(DEBUG_CYASSL) && !defined(CYASSL_MDK_SHELL) |
| CyaSSL_Debugging_ON(); |
| #endif |
| if (CurrentDir("server")) |
| ChangeDirBack(2); |
| else if (CurrentDir("Debug") || CurrentDir("Release")) |
| ChangeDirBack(3); |
| |
| #ifdef HAVE_STACK_SIZE |
| StackSizeCheck(&args, server_test); |
| #else |
| server_test(&args); |
| #endif |
| CyaSSL_Cleanup(); |
| |
| #ifdef HAVE_CAVIUM |
| CspShutdown(CAVIUM_DEV_ID); |
| #endif |
| return args.return_code; |
| } |
| |
| int myoptind = 0; |
| char* myoptarg = NULL; |
| |
| #endif /* NO_MAIN_DRIVER */ |
| |
| |
| #ifdef CYASSL_CALLBACKS |
| |
| int srvHandShakeCB(HandShakeInfo* info) |
| { |
| (void)info; |
| return 0; |
| } |
| |
| |
| int srvTimeoutCB(TimeoutInfo* info) |
| { |
| (void)info; |
| return 0; |
| } |
| |
| #endif |
| |
