407 lines
11 KiB
C
407 lines
11 KiB
C
/* suites.c
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*
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* Copyright (C) 2006-2013 wolfSSL Inc.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <cyassl/ssl.h>
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#include <tests/unit.h>
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#define MAX_ARGS 40
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#define MAX_COMMAND_SZ 240
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#define MAX_SUITE_SZ 80
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#define NOT_BUILT_IN -123
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#define VERSION_TOO_OLD -124
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#include "examples/client/client.h"
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#include "examples/server/server.h"
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CYASSL_CTX* cipherSuiteCtx = NULL;
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#ifdef NO_OLD_TLS
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/* if the protocol version is less than tls 1.2 return 1, else 0 */
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static int IsOldTlsVersion(const char* line)
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{
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const char* find = "-v ";
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char* begin = strstr(line, find);
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if (begin) {
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int version = -1;
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begin += 3;
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version = atoi(begin);
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if (version < 3)
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return 1;
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}
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return 0;
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}
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#endif /* NO_OLD_TLS */
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/* if the cipher suite on line is valid store in suite and return 1, else 0 */
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static int IsValidCipherSuite(const char* line, char* suite)
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{
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int found = 0;
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int valid = 0;
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const char* find = "-l ";
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char* begin = strstr(line, find);
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char* end;
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suite[0] = '\0';
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if (begin) {
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begin += 3;
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end = strstr(begin, " ");
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if (end) {
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long len = end - begin;
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if (len > MAX_SUITE_SZ) {
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printf("suite too long!\n");
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return 0;
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}
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memcpy(suite, begin, len);
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suite[len] = '\0';
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}
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else
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strncpy(suite, begin, MAX_SUITE_SZ);
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suite[MAX_SUITE_SZ] = '\0';
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found = 1;
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}
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if (found) {
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if (CyaSSL_CTX_set_cipher_list(cipherSuiteCtx, suite) == SSL_SUCCESS)
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valid = 1;
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}
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return valid;
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}
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static int execute_test_case(int svr_argc, char** svr_argv,
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int cli_argc, char** cli_argv,
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int addNoVerify, int addNonBlocking)
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{
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func_args cliArgs = {cli_argc, cli_argv, 0, NULL};
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func_args svrArgs = {svr_argc, svr_argv, 0, NULL};
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tcp_ready ready;
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THREAD_TYPE serverThread;
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char commandLine[MAX_COMMAND_SZ];
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char cipherSuite[MAX_SUITE_SZ+1];
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int i;
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size_t added = 0;
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static int tests = 1;
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commandLine[0] = '\0';
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for (i = 0; i < svr_argc; i++) {
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added += strlen(svr_argv[i]) + 2;
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if (added >= MAX_COMMAND_SZ) {
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printf("server command line too long\n");
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break;
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}
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strcat(commandLine, svr_argv[i]);
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strcat(commandLine, " ");
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}
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if (IsValidCipherSuite(commandLine, cipherSuite) == 0) {
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#ifdef DEBUG_SUITE_TESTS
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printf("cipher suite %s not supported in build\n", cipherSuite);
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#endif
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return NOT_BUILT_IN;
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}
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#ifdef NO_OLD_TLS
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if (IsOldTlsVersion(commandLine) == 1) {
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#ifdef DEBUG_SUITE_TESTS
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printf("protocol version on line %s is too old\n", commandLine);
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#endif
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return VERSION_TOO_OLD;
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}
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#endif
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if (addNoVerify) {
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printf("repeating test with client cert request off\n");
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added += 4; /* -d plus space plus terminator */
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if (added >= MAX_COMMAND_SZ)
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printf("server command line too long\n");
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else
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strcat(commandLine, "-d ");
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}
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if (addNonBlocking) {
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printf("repeating test with non blocking on\n");
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added += 4; /* -N plus terminator */
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if (added >= MAX_COMMAND_SZ)
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printf("server command line too long\n");
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else
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strcat(commandLine, "-N ");
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}
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printf("trying server command line[%d]: %s\n", tests, commandLine);
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commandLine[0] = '\0';
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added = 0;
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for (i = 0; i < cli_argc; i++) {
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added += strlen(cli_argv[i]) + 2;
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if (added >= MAX_COMMAND_SZ) {
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printf("client command line too long\n");
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break;
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}
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strcat(commandLine, cli_argv[i]);
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strcat(commandLine, " ");
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}
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if (addNonBlocking) {
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added += 4; /* -N plus space plus terminator */
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if (added >= MAX_COMMAND_SZ)
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printf("client command line too long\n");
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else
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strcat(commandLine, "-N ");
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}
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printf("trying client command line[%d]: %s\n", tests++, commandLine);
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InitTcpReady(&ready);
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/* start server */
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svrArgs.signal = &ready;
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start_thread(server_test, &svrArgs, &serverThread);
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wait_tcp_ready(&svrArgs);
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/* start client */
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client_test(&cliArgs);
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/* verify results */
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if (cliArgs.return_code != 0) {
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printf("client_test failed\n");
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exit(EXIT_FAILURE);
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}
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join_thread(serverThread);
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if (svrArgs.return_code != 0) {
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printf("server_test failed\n");
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exit(EXIT_FAILURE);
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}
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FreeTcpReady(&ready);
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return 0;
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}
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static void test_harness(void* vargs)
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{
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func_args* args = (func_args*)vargs;
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char* script;
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long sz, len;
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int cliMode = 0; /* server or client command flag, server first */
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int ret;
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FILE* file;
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char* svrArgs[MAX_ARGS];
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int svrArgsSz;
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char* cliArgs[MAX_ARGS];
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int cliArgsSz;
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char* cursor;
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char* comment;
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const char* fname = "tests/test.conf";
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if (args->argc == 1) {
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printf("notice: using default file %s\n", fname);
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}
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else if(args->argc != 2) {
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printf("usage: harness [FILE]\n");
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args->return_code = 1;
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return;
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}
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else {
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fname = args->argv[1];
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}
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file = fopen(fname, "r");
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if (file == NULL) {
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fprintf(stderr, "unable to open %s\n", fname);
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args->return_code = 1;
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return;
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}
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fseek(file, 0, SEEK_END);
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sz = ftell(file);
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rewind(file);
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if (sz <= 0) {
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fprintf(stderr, "%s is empty\n", fname);
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fclose(file);
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args->return_code = 1;
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return;
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}
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script = (char*)malloc(sz+1);
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if (script == 0) {
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fprintf(stderr, "unable to allocte script buffer\n");
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fclose(file);
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args->return_code = 1;
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return;
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}
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len = fread(script, 1, sz, file);
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if (len != sz) {
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fprintf(stderr, "read error\n");
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fclose(file);
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free(script);
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args->return_code = 1;
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return;
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}
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fclose(file);
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script[sz] = 0;
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cursor = script;
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svrArgsSz = 1;
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svrArgs[0] = args->argv[0];
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cliArgsSz = 1;
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cliArgs[0] = args->argv[0];
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while (*cursor != 0) {
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int do_it = 0;
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switch (*cursor) {
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case '\n':
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/* A blank line triggers test case execution or switches
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to client mode if we don't have the client command yet */
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if (cliMode == 0)
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cliMode = 1; /* switch to client mode processing */
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else
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do_it = 1; /* Do It, we have server and client */
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cursor++;
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break;
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case '#':
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/* Ignore lines that start with a #. */
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comment = strsep(&cursor, "\n");
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#ifdef DEBUG_SUITE_TESTS
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printf("%s\n", comment);
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#else
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(void)comment;
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#endif
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break;
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case '-':
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/* Parameters start with a -. They end in either a newline
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* or a space. Capture until either, save in Args list. */
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if (cliMode)
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cliArgs[cliArgsSz++] = strsep(&cursor, " \n");
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else
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svrArgs[svrArgsSz++] = strsep(&cursor, " \n");
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break;
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default:
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/* Anything from cursor until end of line that isn't the above
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* is data for a paramter. Just up until the next newline in
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* the Args list. */
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if (cliMode)
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cliArgs[cliArgsSz++] = strsep(&cursor, "\n");
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else
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svrArgs[svrArgsSz++] = strsep(&cursor, "\n");
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if (*cursor == 0) /* eof */
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do_it = 1;
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}
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if (svrArgsSz == MAX_ARGS || cliArgsSz == MAX_ARGS) {
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fprintf(stderr, "too many arguments, forcing test run\n");
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do_it = 1;
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}
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if (do_it) {
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ret = execute_test_case(svrArgsSz, svrArgs, cliArgsSz, cliArgs,0,0);
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/* don't repeat if not supported in build */
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if (ret == 0) {
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execute_test_case(svrArgsSz, svrArgs, cliArgsSz, cliArgs, 0, 1);
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execute_test_case(svrArgsSz, svrArgs, cliArgsSz, cliArgs, 1, 0);
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execute_test_case(svrArgsSz, svrArgs, cliArgsSz, cliArgs, 1, 1);
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}
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svrArgsSz = 1;
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cliArgsSz = 1;
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cliMode = 0;
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}
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}
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free(script);
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args->return_code = 0;
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}
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int SuiteTest(void)
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{
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func_args args;
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char argv0[2][80];
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char* myArgv[2];
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printf(" Begin Cipher Suite Tests\n");
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/* setup */
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myArgv[0] = argv0[0];
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myArgv[1] = argv0[1];
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args.argv = myArgv;
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strcpy(argv0[0], "SuiteTest");
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(void)test_harness;
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cipherSuiteCtx = CyaSSL_CTX_new(CyaTLSv1_2_client_method());
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if (cipherSuiteCtx == NULL) {
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printf("can't get cipher suite ctx\n");
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exit(EXIT_FAILURE);
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}
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/* default case */
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args.argc = 1;
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printf("starting default cipher suite tests\n");
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test_harness(&args);
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if (args.return_code != 0) {
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printf("error from script %d\n", args.return_code);
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exit(EXIT_FAILURE);
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}
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/* any extra cases will need another argument */
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args.argc = 2;
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#ifdef CYASSL_DTLS
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/* add dtls extra suites */
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strcpy(argv0[1], "tests/test-dtls.conf");
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printf("starting dtls extra cipher suite tests\n");
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test_harness(&args);
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if (args.return_code != 0) {
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printf("error from script %d\n", args.return_code);
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exit(EXIT_FAILURE);
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}
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#endif
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printf(" End Cipher Suite Tests\n");
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CyaSSL_CTX_free(cipherSuiteCtx);
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return args.return_code;
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}
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