/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include #include #include #include #include #include #include #include #include #include #include "testing_networklayers.h" #include "testing_policy.h" #include "ua_securechannel.h" #include "check.h" #define UA_BYTESTRING_STATIC(s) {sizeof(s)-1, (UA_Byte*)(s)} // Some default testing sizes. Can be overwritten in testing functions. #define DEFAULT_SYM_ENCRYPTION_BLOCK_SIZE 2 #define DEFAULT_SYM_SIGNING_KEY_LENGTH 3 #define DEFAULT_SYM_ENCRYPTION_KEY_LENGTH 5 #define DEFAULT_ASYM_REMOTE_SIGNATURE_SIZE 7 #define DEFAULT_ASYM_LOCAL_SIGNATURE_SIZE 11 #define DEFAULT_ASYM_REMOTE_PLAINTEXT_BLOCKSIZE 256 UA_SecureChannel testChannel; UA_ByteString dummyCertificate = UA_BYTESTRING_STATIC("DUMMY CERTIFICATE DUMMY CERTIFICATE DUMMY CERTIFICATE"); UA_SecurityPolicy dummyPolicy; UA_Connection testingConnection; UA_ByteString sentData; static funcs_called fCalled; static key_sizes keySizes; static void setup_secureChannel(void) { TestingPolicy(&dummyPolicy, dummyCertificate, &fCalled, &keySizes); UA_SecureChannel_init(&testChannel, &dummyPolicy, &dummyCertificate); testingConnection = createDummyConnection(65535, &sentData); UA_Connection_attachSecureChannel(&testingConnection, &testChannel); testChannel.connection = &testingConnection; } static void teardown_secureChannel(void) { UA_SecureChannel_deleteMembersCleanup(&testChannel); dummyPolicy.deleteMembers(&dummyPolicy); testingConnection.close(&testingConnection); } static void setup_funcs_called(void) { memset(&fCalled, 0, sizeof(struct funcs_called)); } static void teardown_funcs_called(void) { memset(&fCalled, 0, sizeof(struct funcs_called)); } static void setup_key_sizes(void) { memset(&keySizes, 0, sizeof(struct key_sizes)); keySizes.sym_sig_keyLen = DEFAULT_SYM_SIGNING_KEY_LENGTH; keySizes.sym_enc_blockSize = DEFAULT_SYM_ENCRYPTION_BLOCK_SIZE; keySizes.sym_enc_keyLen = DEFAULT_SYM_ENCRYPTION_KEY_LENGTH; keySizes.asym_lcl_sig_size = DEFAULT_ASYM_LOCAL_SIGNATURE_SIZE; keySizes.asym_rmt_sig_size = DEFAULT_ASYM_REMOTE_SIGNATURE_SIZE; keySizes.asym_rmt_ptext_blocksize = DEFAULT_ASYM_REMOTE_PLAINTEXT_BLOCKSIZE; keySizes.asym_rmt_enc_key_size = 2048; keySizes.asym_lcl_enc_key_size = 1024; } static void teardown_key_sizes(void) { memset(&keySizes, 0, sizeof(struct key_sizes)); } /* static void setup_dummyPolicy(void) { TestingPolicy(&dummyPolicy, dummyCertificate, &fCalled); } static void teardown_dummyPolicy(void) { dummyPolicy.deleteMembers(&dummyPolicy); }*/ START_TEST(SecureChannel_initAndDelete) { TestingPolicy(&dummyPolicy, dummyCertificate, &fCalled, &keySizes); UA_StatusCode retval; UA_SecureChannel channel; retval = UA_SecureChannel_init(&channel, &dummyPolicy, &dummyCertificate); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected StatusCode to be good"); ck_assert_msg(channel.state == UA_SECURECHANNELSTATE_FRESH, "Expected state to be fresh"); ck_assert_msg(fCalled.newContext, "Expected newContext to have been called"); ck_assert_msg(fCalled.makeCertificateThumbprint, "Expected makeCertificateThumbprint to have been called"); ck_assert_msg(channel.securityPolicy == &dummyPolicy, "SecurityPolicy not set correctly"); UA_SecureChannel_deleteMembersCleanup(&channel); ck_assert_msg(fCalled.deleteContext, "Expected deleteContext to have been called"); dummyPolicy.deleteMembers(&dummyPolicy); } END_TEST START_TEST(SecureChannel_initAndDelete_invalidParameters) { UA_StatusCode retval = UA_SecureChannel_init(NULL, NULL, NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected init to fail"); UA_SecureChannel channel; retval = UA_SecureChannel_init(&channel, &dummyPolicy, NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected init to fail"); retval = UA_SecureChannel_init(&channel, NULL, &dummyCertificate); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected init to fail"); retval = UA_SecureChannel_init(NULL, &dummyPolicy, &dummyCertificate); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected init to fail"); UA_SecureChannel_deleteMembersCleanup(NULL); } END_TEST START_TEST(SecureChannel_generateNewKeys) { UA_StatusCode retval = UA_SecureChannel_generateNewKeys(&testChannel); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected Statuscode to be good"); ck_assert_msg(fCalled.generateKey, "Expected generateKey to have been called"); ck_assert_msg(fCalled.setLocalSymEncryptingKey, "Expected setLocalSymEncryptingKey to have been called"); ck_assert_msg(fCalled.setLocalSymSigningKey, "Expected setLocalSymSigningKey to have been called"); ck_assert_msg(fCalled.setLocalSymIv, "Expected setLocalSymIv to have been called"); ck_assert_msg(fCalled.setRemoteSymEncryptingKey, "Expected setRemoteSymEncryptingKey to have been called"); ck_assert_msg(fCalled.setRemoteSymSigningKey, "Expected setRemoteSymSigningKey to have been called"); ck_assert_msg(fCalled.setRemoteSymIv, "Expected setRemoteSymIv to have been called"); retval = UA_SecureChannel_generateNewKeys(NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure on NULL pointer"); } END_TEST START_TEST(SecureChannel_revolveTokens) { // Fake that no token was issued by setting 0 testChannel.nextSecurityToken.tokenId = 0; UA_StatusCode retval = UA_SecureChannel_revolveTokens(&testChannel); ck_assert_msg(retval == UA_STATUSCODE_BADSECURECHANNELTOKENUNKNOWN, "Expected failure because tokenId 0 signifies that no token was issued"); // Fake an issued token by setting an id testChannel.nextSecurityToken.tokenId = 10; retval = UA_SecureChannel_revolveTokens(&testChannel); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to return GOOD"); ck_assert_msg(fCalled.generateKey, "Expected generateKey to be called because new keys need to be generated," "when switching to the next token."); UA_ChannelSecurityToken testToken; UA_ChannelSecurityToken_init(&testToken); ck_assert_msg(memcmp(&testChannel.nextSecurityToken, &testToken, sizeof(UA_ChannelSecurityToken)) == 0, "Expected the next securityToken to be freshly initialized"); ck_assert_msg(testChannel.securityToken.tokenId == 10, "Expected token to have been copied"); } END_TEST static void createDummyResponse(UA_OpenSecureChannelResponse *response) { UA_OpenSecureChannelResponse_init(response); memset(response, 0, sizeof(UA_OpenSecureChannelResponse)); } START_TEST(SecureChannel_sendAsymmetricOPNMessage_withoutConnection) { UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_NONE; // Remove connection to provoke error UA_Connection_detachSecureChannel(testChannel.connection); testChannel.connection = NULL; UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure without a connection"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_invalidParameters) { UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, NULL, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); retval = UA_SecureChannel_sendAsymmetricOPNMessage(NULL, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_SecurityModeInvalid) { // Configure our channel correctly for OPN messages and setup dummy message UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_INVALID; UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_BADSECURITYMODEREJECTED, "Expected SecurityMode rejected error"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_SecurityModeNone) { // Configure our channel correctly for OPN messages and setup dummy message UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_NONE; UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to succeed"); ck_assert_msg(!fCalled.asym_enc, "Message encryption was called but should not have been"); ck_assert_msg(!fCalled.asym_sign, "Message signing was called but should not have been"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_SecurityModeSign) { // Configure our channel correctly for OPN messages and setup dummy message UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_SIGN; UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to succeed"); ck_assert_msg(fCalled.asym_enc, "Expected message to have been encrypted but it was not"); ck_assert_msg(fCalled.asym_sign, "Expected message to have been signed but it was not"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_SecurityModeSignAndEncrypt) { // Configure our channel correctly for OPN messages and setup dummy message UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_SIGNANDENCRYPT; UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, 42, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to succeed"); ck_assert_msg(fCalled.asym_enc, "Expected message to have been encrypted but it was not"); ck_assert_msg(fCalled.asym_sign, "Expected message to have been signed but it was not"); } END_TEST START_TEST(SecureChannel_sendAsymmetricOPNMessage_sentDataIsValid) { UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_SIGNANDENCRYPT; UA_UInt32 requestId = UA_UInt32_random(); UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, requestId, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to succeed"); size_t offset = 0; UA_SecureConversationMessageHeader header; UA_SecureConversationMessageHeader_decodeBinary(&sentData, &offset, &header); UA_AsymmetricAlgorithmSecurityHeader asymSecurityHeader; UA_AsymmetricAlgorithmSecurityHeader_decodeBinary(&sentData, &offset, &asymSecurityHeader); ck_assert_msg(UA_ByteString_equal(&dummyCertificate, &asymSecurityHeader.senderCertificate), "Expected the certificate to be equal to the one used by the secureChannel"); ck_assert_msg(UA_ByteString_equal(&testChannel.securityPolicy->policyUri, &asymSecurityHeader.securityPolicyUri), "Expected securityPolicyUri to be equal to the one used by the secureChannel"); UA_ByteString thumbPrint = {20, testChannel.remoteCertificateThumbprint}; ck_assert_msg(UA_ByteString_equal(&thumbPrint, &asymSecurityHeader.receiverCertificateThumbprint), "Expected receiverCertificateThumbprint to be equal to the one set in the secureChannel"); for(size_t i = offset; i < header.messageHeader.messageSize; ++i) { sentData.data[i] = (UA_Byte) ((sentData.data[i] - 1) % (UA_BYTE_MAX + 1)); } UA_SequenceHeader sequenceHeader; UA_SequenceHeader_decodeBinary(&sentData, &offset, &sequenceHeader); ck_assert_msg(sequenceHeader.requestId == requestId, "Expected requestId to be %i but was %i", requestId, sequenceHeader.requestId); UA_NodeId original = UA_NODEID_NUMERIC(0, UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE].binaryEncodingId); UA_NodeId requestTypeId; UA_NodeId_decodeBinary(&sentData, &offset, &requestTypeId); ck_assert_msg(UA_NodeId_equal(&original, &requestTypeId), "Expected nodeIds to be equal"); UA_OpenSecureChannelResponse sentResponse; UA_OpenSecureChannelResponse_decodeBinary(&sentData, &offset, &sentResponse); ck_assert_msg(memcmp(&sentResponse, &dummyResponse, sizeof(UA_OpenSecureChannelResponse)) == 0, "Expected the sent response to be equal to the one supplied to the send function"); UA_Byte paddingByte = sentData.data[offset]; size_t paddingSize = (size_t) paddingByte; for(size_t i = 0; i <= paddingSize; ++i) { ck_assert_msg(sentData.data[offset + i] == paddingByte, "Expected padding byte %i to be %i but got value %i", i, paddingByte, sentData.data[offset + i]); } ck_assert_msg(sentData.data[offset + paddingSize + 1] == '*', "Expected first byte of signature"); UA_SecureConversationMessageHeader_deleteMembers(&header); UA_AsymmetricAlgorithmSecurityHeader_deleteMembers(&asymSecurityHeader); UA_SequenceHeader_deleteMembers(&sequenceHeader); UA_OpenSecureChannelResponse_deleteMembers(&sentResponse); } END_TEST START_TEST(Securechannel_sendAsymmetricOPNMessage_extraPaddingPresentWhenKeyLargerThan2048Bits) { keySizes.asym_rmt_enc_key_size = 4096; keySizes.asym_rmt_ptext_blocksize = 4096; UA_OpenSecureChannelResponse dummyResponse; createDummyResponse(&dummyResponse); testChannel.securityMode = UA_MESSAGESECURITYMODE_SIGNANDENCRYPT; UA_UInt32 requestId = UA_UInt32_random(); UA_StatusCode retval = UA_SecureChannel_sendAsymmetricOPNMessage(&testChannel, requestId, &dummyResponse, &UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE]); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected function to succeed"); size_t offset = 0; UA_SecureConversationMessageHeader header; UA_SecureConversationMessageHeader_decodeBinary(&sentData, &offset, &header); UA_AsymmetricAlgorithmSecurityHeader asymSecurityHeader; UA_AsymmetricAlgorithmSecurityHeader_decodeBinary(&sentData, &offset, &asymSecurityHeader); ck_assert_msg(UA_ByteString_equal(&dummyCertificate, &asymSecurityHeader.senderCertificate), "Expected the certificate to be equal to the one used by the secureChannel"); ck_assert_msg(UA_ByteString_equal(&testChannel.securityPolicy->policyUri, &asymSecurityHeader.securityPolicyUri), "Expected securityPolicyUri to be equal to the one used by the secureChannel"); UA_ByteString thumbPrint = {20, testChannel.remoteCertificateThumbprint}; ck_assert_msg(UA_ByteString_equal(&thumbPrint, &asymSecurityHeader.receiverCertificateThumbprint), "Expected receiverCertificateThumbprint to be equal to the one set in the secureChannel"); for(size_t i = offset; i < header.messageHeader.messageSize; ++i) { sentData.data[i] = (UA_Byte) ((sentData.data[i] - 1) % (UA_BYTE_MAX + 1)); } UA_SequenceHeader sequenceHeader; UA_SequenceHeader_decodeBinary(&sentData, &offset, &sequenceHeader); ck_assert_msg(sequenceHeader.requestId == requestId, "Expected requestId to be %i but was %i", requestId, sequenceHeader.requestId); UA_NodeId original = UA_NODEID_NUMERIC(0, UA_TYPES[UA_TYPES_OPENSECURECHANNELRESPONSE].binaryEncodingId); UA_NodeId requestTypeId; UA_NodeId_decodeBinary(&sentData, &offset, &requestTypeId); ck_assert_msg(UA_NodeId_equal(&original, &requestTypeId), "Expected nodeIds to be equal"); UA_OpenSecureChannelResponse sentResponse; UA_OpenSecureChannelResponse_decodeBinary(&sentData, &offset, &sentResponse); ck_assert_msg(memcmp(&sentResponse, &dummyResponse, sizeof(UA_OpenSecureChannelResponse)) == 0, "Expected the sent response to be equal to the one supplied to the send function"); UA_Byte paddingByte = sentData.data[offset]; UA_Byte extraPaddingByte = sentData.data[sentData.length - keySizes.asym_lcl_sig_size - 1]; size_t paddingSize = (size_t) paddingByte; paddingSize |= extraPaddingByte << 8; for(size_t i = 0; i <= paddingSize; ++i) { ck_assert_msg(sentData.data[offset + i] == paddingByte, "Expected padding byte %i to be %i but got value %i", i, paddingByte, sentData.data[offset + i]); } ck_assert_msg(sentData.data[offset + paddingSize + 1] == extraPaddingByte, "Expected extra padding byte to be " "%i but got %i", extraPaddingByte, sentData.data[offset + paddingSize + 1]); ck_assert_msg(sentData.data[offset + paddingSize + 2] == '*', "Expected first byte 42 of signature but got %i", sentData.data[offset + paddingSize + 2]); UA_SecureConversationMessageHeader_deleteMembers(&header); UA_AsymmetricAlgorithmSecurityHeader_deleteMembers(&asymSecurityHeader); UA_SequenceHeader_deleteMembers(&sequenceHeader); UA_OpenSecureChannelResponse_deleteMembers(&sentResponse); } END_TEST START_TEST(SecureChannel_generateNonce) { UA_ByteString myNonce; UA_ByteString_init(&myNonce); for(size_t i = 0; i < 129; ++i) { i = (i == 128) ? 65536 : i; // large edge case UA_StatusCode retval = UA_SecureChannel_generateNonce(&testChannel, i, &myNonce); ck_assert_msg(retval == UA_STATUSCODE_GOOD, "Expected retval to be good"); ck_assert_msg(myNonce.length == i, "Expected nonce length to be %i but was %i", i, myNonce.length); ck_assert_msg(fCalled.generateNonce, "Expected generateNonce to have been called"); } UA_ByteString_deleteMembers(&myNonce); } END_TEST START_TEST(SecureChannel_generateNonce_invalidParameters) { UA_ByteString myNonce; UA_ByteString_init(&myNonce); UA_StatusCode retval = UA_SecureChannel_generateNonce(NULL, 42, NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); retval = UA_SecureChannel_generateNonce(NULL, 42, &myNonce); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); retval = UA_SecureChannel_generateNonce(&testChannel, 42, NULL); ck_assert_msg(retval != UA_STATUSCODE_GOOD, "Expected failure"); } END_TEST static Suite * testSuite_SecureChannel(void) { Suite *s = suite_create("SecureChannel"); TCase *tc_initAndDelete = tcase_create("Initialize and delete Securechannel"); tcase_add_checked_fixture(tc_initAndDelete, setup_funcs_called, teardown_funcs_called); tcase_add_checked_fixture(tc_initAndDelete, setup_key_sizes, teardown_key_sizes); tcase_add_test(tc_initAndDelete, SecureChannel_initAndDelete); tcase_add_test(tc_initAndDelete, SecureChannel_initAndDelete_invalidParameters); suite_add_tcase(s, tc_initAndDelete); TCase *tc_generateNewKeys = tcase_create("Test generateNewKeys function"); tcase_add_checked_fixture(tc_generateNewKeys, setup_funcs_called, teardown_funcs_called); tcase_add_checked_fixture(tc_generateNewKeys, setup_key_sizes, teardown_key_sizes); tcase_add_checked_fixture(tc_generateNewKeys, setup_secureChannel, teardown_secureChannel); tcase_add_test(tc_generateNewKeys, SecureChannel_generateNewKeys); suite_add_tcase(s, tc_generateNewKeys); TCase *tc_revolveTokens = tcase_create("Test revolveTokens function"); tcase_add_checked_fixture(tc_revolveTokens, setup_funcs_called, teardown_funcs_called); tcase_add_checked_fixture(tc_revolveTokens, setup_key_sizes, teardown_key_sizes); tcase_add_checked_fixture(tc_revolveTokens, setup_secureChannel, teardown_secureChannel); tcase_add_test(tc_revolveTokens, SecureChannel_revolveTokens); suite_add_tcase(s, tc_revolveTokens); TCase *tc_sendAsymmetricOPNMessage = tcase_create("Test sendAsymmetricOPNMessage function"); tcase_add_checked_fixture(tc_sendAsymmetricOPNMessage, setup_funcs_called, teardown_funcs_called); tcase_add_checked_fixture(tc_sendAsymmetricOPNMessage, setup_key_sizes, teardown_key_sizes); tcase_add_checked_fixture(tc_sendAsymmetricOPNMessage, setup_secureChannel, teardown_secureChannel); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_withoutConnection); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_invalidParameters); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_SecurityModeInvalid); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_SecurityModeNone); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_SecurityModeSign); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_SecurityModeSignAndEncrypt); tcase_add_test(tc_sendAsymmetricOPNMessage, SecureChannel_sendAsymmetricOPNMessage_sentDataIsValid); tcase_add_test(tc_sendAsymmetricOPNMessage, Securechannel_sendAsymmetricOPNMessage_extraPaddingPresentWhenKeyLargerThan2048Bits); suite_add_tcase(s, tc_sendAsymmetricOPNMessage); TCase *tc_generateNonce = tcase_create("Test generateNonce function"); tcase_add_checked_fixture(tc_generateNonce, setup_funcs_called, teardown_funcs_called); tcase_add_checked_fixture(tc_generateNonce, setup_key_sizes, teardown_key_sizes); tcase_add_checked_fixture(tc_generateNonce, setup_secureChannel, teardown_secureChannel); tcase_add_test(tc_generateNonce, SecureChannel_generateNonce); tcase_add_test(tc_generateNonce, SecureChannel_generateNonce_invalidParameters); suite_add_tcase(s, tc_generateNonce); return s; } int main(void) { Suite *s = testSuite_SecureChannel(); SRunner *sr = srunner_create(s); srunner_set_fork_status(sr, CK_NOFORK); srunner_run_all(sr, CK_NORMAL); int number_failed = srunner_ntests_failed(sr); srunner_free(sr); return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE; }