| /* |
| * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <openssl/conf.h> |
| #include <openssl/err.h> |
| #include <openssl/ssl.h> |
| |
| #include "handshake_helper.h" |
| #include "ssl_test_ctx.h" |
| #include "testutil.h" |
| #include "test_main_custom.h" |
| |
| static CONF *conf = NULL; |
| |
| /* Currently the section names are of the form test-<number>, e.g. test-15. */ |
| #define MAX_TESTCASE_NAME_LENGTH 100 |
| |
| static const char *print_alert(int alert) |
| { |
| return alert ? SSL_alert_desc_string_long(alert) : "no alert"; |
| } |
| |
| static int check_result(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (result->result != test_ctx->expected_result) { |
| fprintf(stderr, "ExpectedResult mismatch: expected %s, got %s.\n", |
| ssl_test_result_name(test_ctx->expected_result), |
| ssl_test_result_name(result->result)); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int check_alerts(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (result->client_alert_sent != result->client_alert_received) { |
| fprintf(stderr, "Client sent alert %s but server received %s\n.", |
| print_alert(result->client_alert_sent), |
| print_alert(result->client_alert_received)); |
| /* |
| * We can't bail here because the peer doesn't always get far enough |
| * to process a received alert. Specifically, in protocol version |
| * negotiation tests, we have the following scenario. |
| * Client supports TLS v1.2 only; Server supports TLS v1.1. |
| * Client proposes TLS v1.2; server responds with 1.1; |
| * Client now sends a protocol alert, using TLS v1.2 in the header. |
| * The server, however, rejects the alert because of version mismatch |
| * in the record layer; therefore, the server appears to never |
| * receive the alert. |
| */ |
| /* return 0; */ |
| } |
| |
| if (result->server_alert_sent != result->server_alert_received) { |
| fprintf(stderr, "Server sent alert %s but client received %s\n.", |
| print_alert(result->server_alert_sent), |
| print_alert(result->server_alert_received)); |
| /* return 0; */ |
| } |
| |
| /* Tolerate an alert if one wasn't explicitly specified in the test. */ |
| if (test_ctx->expected_client_alert |
| /* |
| * The info callback alert value is computed as |
| * (s->s3->send_alert[0] << 8) | s->s3->send_alert[1] |
| * where the low byte is the alert code and the high byte is other stuff. |
| */ |
| && (result->client_alert_sent & 0xff) != test_ctx->expected_client_alert) { |
| fprintf(stderr, "ClientAlert mismatch: expected %s, got %s.\n", |
| print_alert(test_ctx->expected_client_alert), |
| print_alert(result->client_alert_sent)); |
| return 0; |
| } |
| |
| if (test_ctx->expected_server_alert |
| && (result->server_alert_sent & 0xff) != test_ctx->expected_server_alert) { |
| fprintf(stderr, "ServerAlert mismatch: expected %s, got %s.\n", |
| print_alert(test_ctx->expected_server_alert), |
| print_alert(result->server_alert_sent)); |
| return 0; |
| } |
| |
| if (result->client_num_fatal_alerts_sent > 1) { |
| fprintf(stderr, "Client sent %d fatal alerts.\n", |
| result->client_num_fatal_alerts_sent); |
| return 0; |
| } |
| if (result->server_num_fatal_alerts_sent > 1) { |
| fprintf(stderr, "Server sent %d alerts.\n", |
| result->server_num_fatal_alerts_sent); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int check_protocol(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (result->client_protocol != result->server_protocol) { |
| fprintf(stderr, "Client has protocol %s but server has %s\n.", |
| ssl_protocol_name(result->client_protocol), |
| ssl_protocol_name(result->server_protocol)); |
| return 0; |
| } |
| |
| if (test_ctx->expected_protocol) { |
| if (result->client_protocol != test_ctx->expected_protocol) { |
| fprintf(stderr, "Protocol mismatch: expected %s, got %s.\n", |
| ssl_protocol_name(test_ctx->expected_protocol), |
| ssl_protocol_name(result->client_protocol)); |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| static int check_servername(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (result->servername != test_ctx->expected_servername) { |
| fprintf(stderr, "Client ServerName mismatch, expected %s, got %s\n.", |
| ssl_servername_name(test_ctx->expected_servername), |
| ssl_servername_name(result->servername)); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int check_session_ticket(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (test_ctx->session_ticket_expected == SSL_TEST_SESSION_TICKET_IGNORE) |
| return 1; |
| if (result->session_ticket != test_ctx->session_ticket_expected) { |
| fprintf(stderr, "Client SessionTicketExpected mismatch, expected %s, got %s\n.", |
| ssl_session_ticket_name(test_ctx->session_ticket_expected), |
| ssl_session_ticket_name(result->session_ticket)); |
| return 0; |
| } |
| return 1; |
| } |
| |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| static int check_npn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| int ret = 1; |
| ret &= strings_equal("NPN Negotiated (client vs server)", |
| result->client_npn_negotiated, |
| result->server_npn_negotiated); |
| ret &= strings_equal("ExpectedNPNProtocol", |
| test_ctx->expected_npn_protocol, |
| result->client_npn_negotiated); |
| return ret; |
| } |
| #endif |
| |
| static int check_alpn(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| int ret = 1; |
| ret &= strings_equal("ALPN Negotiated (client vs server)", |
| result->client_alpn_negotiated, |
| result->server_alpn_negotiated); |
| ret &= strings_equal("ExpectedALPNProtocol", |
| test_ctx->expected_alpn_protocol, |
| result->client_alpn_negotiated); |
| return ret; |
| } |
| |
| static int check_resumption(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| if (result->client_resumed != result->server_resumed) { |
| fprintf(stderr, "Resumption mismatch (client vs server): %d vs %d\n", |
| result->client_resumed, result->server_resumed); |
| return 0; |
| } |
| if (result->client_resumed != test_ctx->resumption_expected) { |
| fprintf(stderr, "ResumptionExpected mismatch: %d vs %d\n", |
| test_ctx->resumption_expected, result->client_resumed); |
| return 0; |
| } |
| return 1; |
| } |
| |
| /* |
| * This could be further simplified by constructing an expected |
| * HANDSHAKE_RESULT, and implementing comparison methods for |
| * its fields. |
| */ |
| static int check_test(HANDSHAKE_RESULT *result, SSL_TEST_CTX *test_ctx) |
| { |
| int ret = 1; |
| ret &= check_result(result, test_ctx); |
| ret &= check_alerts(result, test_ctx); |
| if (result->result == SSL_TEST_SUCCESS) { |
| ret &= check_protocol(result, test_ctx); |
| ret &= check_servername(result, test_ctx); |
| ret &= check_session_ticket(result, test_ctx); |
| ret &= (result->session_ticket_do_not_call == 0); |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| ret &= check_npn(result, test_ctx); |
| #endif |
| ret &= check_alpn(result, test_ctx); |
| ret &= check_resumption(result, test_ctx); |
| } |
| return ret; |
| } |
| |
| static int test_handshake(int idx) |
| { |
| int ret = 0; |
| SSL_CTX *server_ctx = NULL, *server2_ctx = NULL, *client_ctx = NULL, |
| *resume_server_ctx = NULL, *resume_client_ctx = NULL; |
| SSL_TEST_CTX *test_ctx = NULL; |
| HANDSHAKE_RESULT *result = NULL; |
| char test_app[MAX_TESTCASE_NAME_LENGTH]; |
| |
| BIO_snprintf(test_app, sizeof(test_app), "test-%d", idx); |
| |
| test_ctx = SSL_TEST_CTX_create(conf, test_app); |
| if (test_ctx == NULL) |
| goto err; |
| |
| #ifndef OPENSSL_NO_DTLS |
| if (test_ctx->method == SSL_TEST_METHOD_DTLS) { |
| server_ctx = SSL_CTX_new(DTLS_server_method()); |
| if (test_ctx->extra.server.servername_callback != |
| SSL_TEST_SERVERNAME_CB_NONE) { |
| server2_ctx = SSL_CTX_new(DTLS_server_method()); |
| TEST_check(server2_ctx != NULL); |
| } |
| client_ctx = SSL_CTX_new(DTLS_client_method()); |
| if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) { |
| resume_server_ctx = SSL_CTX_new(DTLS_server_method()); |
| resume_client_ctx = SSL_CTX_new(DTLS_client_method()); |
| TEST_check(resume_server_ctx != NULL); |
| TEST_check(resume_client_ctx != NULL); |
| } |
| } |
| #endif |
| if (test_ctx->method == SSL_TEST_METHOD_TLS) { |
| server_ctx = SSL_CTX_new(TLS_server_method()); |
| /* SNI on resumption isn't supported/tested yet. */ |
| if (test_ctx->extra.server.servername_callback != |
| SSL_TEST_SERVERNAME_CB_NONE) { |
| server2_ctx = SSL_CTX_new(TLS_server_method()); |
| TEST_check(server2_ctx != NULL); |
| } |
| client_ctx = SSL_CTX_new(TLS_client_method()); |
| |
| if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RESUME) { |
| resume_server_ctx = SSL_CTX_new(TLS_server_method()); |
| resume_client_ctx = SSL_CTX_new(TLS_client_method()); |
| TEST_check(resume_server_ctx != NULL); |
| TEST_check(resume_client_ctx != NULL); |
| } |
| } |
| |
| TEST_check(server_ctx != NULL); |
| TEST_check(client_ctx != NULL); |
| |
| TEST_check(CONF_modules_load(conf, test_app, 0) > 0); |
| |
| if (!SSL_CTX_config(server_ctx, "server") |
| || !SSL_CTX_config(client_ctx, "client")) { |
| goto err; |
| } |
| |
| if (server2_ctx != NULL && !SSL_CTX_config(server2_ctx, "server2")) |
| goto err; |
| if (resume_server_ctx != NULL |
| && !SSL_CTX_config(resume_server_ctx, "resume-server")) |
| goto err; |
| if (resume_client_ctx != NULL |
| && !SSL_CTX_config(resume_client_ctx, "resume-client")) |
| goto err; |
| |
| result = do_handshake(server_ctx, server2_ctx, client_ctx, |
| resume_server_ctx, resume_client_ctx, test_ctx); |
| |
| ret = check_test(result, test_ctx); |
| |
| err: |
| CONF_modules_unload(0); |
| SSL_CTX_free(server_ctx); |
| SSL_CTX_free(server2_ctx); |
| SSL_CTX_free(client_ctx); |
| SSL_CTX_free(resume_server_ctx); |
| SSL_CTX_free(resume_client_ctx); |
| SSL_TEST_CTX_free(test_ctx); |
| HANDSHAKE_RESULT_free(result); |
| return ret; |
| } |
| |
| int test_main(int argc, char **argv) |
| { |
| int result = 0; |
| long num_tests; |
| |
| if (argc != 2) |
| return 1; |
| |
| conf = NCONF_new(NULL); |
| TEST_check(conf != NULL); |
| |
| /* argv[1] should point to the test conf file */ |
| TEST_check(NCONF_load(conf, argv[1], NULL) > 0); |
| |
| TEST_check(NCONF_get_number_e(conf, NULL, "num_tests", &num_tests)); |
| |
| ADD_ALL_TESTS(test_handshake, (int)(num_tests)); |
| result = run_tests(argv[0]); |
| |
| NCONF_free(conf); |
| return result; |
| } |
