From 8858ca33d3cb672fef2fa3c2e6eceb494616d06e Mon Sep 17 00:00:00 2001 From: Tim Kosse Date: Fri, 15 Jan 2016 14:45:03 +0100 Subject: tests: add testcase to check for missing status request That is verify whether the OCSP MUST-staple extension, as can be deduced from RFC7633, is accounted during handshake. --- tests/Makefile.am | 3 +- tests/status-request-missing.c | 354 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 356 insertions(+), 1 deletion(-) create mode 100644 tests/status-request-missing.c diff --git a/tests/Makefile.am b/tests/Makefile.am index c019fd3016..517d0caa87 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -91,7 +91,8 @@ ctests = mini-record-2 simple gc set_pkcs12_cred certder certuniqueid \ mini-record-retvals mini-server-name mini-etm x509-cert-callback \ sign-md5-rep keygen mini-tls-nonblock no-signal pkcs7-gen \ x509sign-verify2 mini-alignment oids atfork prf psk-file \ - status-request status-request-ok fallback-scsv pkcs8-key-decode \ + status-request status-request-ok status-request-missing \ + fallback-scsv pkcs8-key-decode \ key-usage mini-session-verify-function auto-verify \ record-timeouts mini-dtls-hello-verify-48 mini-x509-default-prio \ mini-x509-dual global-init-override tlsext-decoding \ diff --git a/tests/status-request-missing.c b/tests/status-request-missing.c new file mode 100644 index 0000000000..7ae56eda1e --- /dev/null +++ b/tests/status-request-missing.c @@ -0,0 +1,354 @@ +/* + * Copyright (C) 2016 Tim Kosse + * + * Author: Tim Kosse + * + * This file is part of GnuTLS. + * + * GnuTLS 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 3 of the License, or + * (at your option) any later version. + * + * GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include +#include + +#if defined(_WIN32) + +int main() +{ + exit(77); +} + +#else + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "utils.h" + +static void terminate(void); + +/* This program tests that handshakes fail if the server does not include the + * requested certificate status with the server certificate having + * TLS feature 5 (status request). + * + * See RFC 7633 section 4.2.3.1 paragraph 1 + * + * Remark: Doesn't the MUST in section 4.3.3 para. 1 overrule the SHOULD of 4.2.3.1 para. 1? + */ + +static time_t mytime(time_t * t) +{ + time_t then = 1464610242; + if (t) + *t = then; + + return then; +} + +static void server_log_func(int level, const char *str) +{ + fprintf(stderr, "server|<%d>| %s", level, str); +} + +static void client_log_func(int level, const char *str) +{ + fprintf(stderr, "client|<%d>| %s", level, str); +} + +static unsigned char server_cert_pem[] = + "-----BEGIN CERTIFICATE-----\n" + "MIICBzCCAXCgAwIBAgIMVpjt8TL5Io/frpvkMA0GCSqGSIb3DQEBCwUAMCIxIDAe\n" + "BgNVBAMTF0dudVRMUyB0ZXN0IGNlcnRpZmljYXRlMB4XDTE2MDExNTEzMDI0MVoX\n" + "DTMyMDYxOTEzMDI0MVowIjEgMB4GA1UEAxMXR251VExTIHRlc3QgY2VydGlmaWNh\n" + "dGUwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANe6XK+jDPAuqSdWqlOOqOt/\n" + "gXVMa5i+Suq3HvhLw2rE2g0AuOpMEx82FpPecu/GpF6ybrbKCohVdZCW7aZXvAw7\n" + "dg2XHr3p7H/Tqez7hWSga6BIznd+c5wxE/89yK6lYG7Ztoxamm+2vp9qvafwoDMn\n" + "9bcdkuWWnHNS1p/WyI6xAgMBAAGjQjBAMBEGCCsGAQUFBwEYBAUwAwIBBTAMBgNV\n" + "HRMBAf8EAjAAMB0GA1UdDgQWBBRTSzvcXshETAIgvzlIb0z+zSVSEDANBgkqhkiG\n" + "9w0BAQsFAAOBgQB+VcJuLPL2PMog0HZ8RRbqVvLU5d209ROg3s1oXUBFW8+AV+71\n" + "CsHg9Xx7vqKVwyKGI9ghds1B44lNPxGH2Sk1v2czjKbzwujo9+kLnDS6i0jyrDdn\n" + "um4ivpkwmlUFSQVXvENLwe9gTlIgN4+0I9WLcMTCDtHWkcxMRwCm2BMsXw==\n" + "-----END CERTIFICATE-----\n"; + + +const gnutls_datum_t server_cert = { server_cert_pem, + sizeof(server_cert_pem) +}; + +static unsigned char server_key_pem[] = + "-----BEGIN RSA PRIVATE KEY-----\n" + "MIICXAIBAAKBgQDXulyvowzwLqknVqpTjqjrf4F1TGuYvkrqtx74S8NqxNoNALjq\n" + "TBMfNhaT3nLvxqResm62ygqIVXWQlu2mV7wMO3YNlx696ex/06ns+4VkoGugSM53\n" + "fnOcMRP/PciupWBu2baMWppvtr6far2n8KAzJ/W3HZLllpxzUtaf1siOsQIDAQAB\n" + "AoGAYAFyKkAYC/PYF8e7+X+tsVCHXppp8AoP8TEZuUqOZz/AArVlle/ROrypg5kl\n" + "8YunrvUdzH9R/KZ7saNZlAPLjZyFG9beL/am6Ai7q7Ma5HMqjGU8kTEGwD7K+lbG\n" + "iomokKMOl+kkbY/2sI5Czmbm+/PqLXOjtVc5RAsdbgvtmvkCQQDdV5QuU8jap8Hs\n" + "Eodv/tLJ2z4+SKCV2k/7FXSKWe0vlrq0cl2qZfoTUYRnKRBcWxc9o92DxK44wgPi\n" + "oMQS+O7fAkEA+YG+K9e60sj1K4NYbMPAbYILbZxORDecvP8lcphvwkOVUqbmxOGh\n" + "XRmTZUuhBrJhJKKf6u7gf3KWlPl6ShKEbwJASC118cF6nurTjuLf7YKARDjNTEws\n" + "qZEeQbdWYINAmCMj0RH2P0mvybrsXSOD5UoDAyO7aWuqkHGcCLv6FGG+qwJAOVqq\n" + "tXdUucl6GjOKKw5geIvRRrQMhb/m5scb+5iw8A4LEEHPgGiBaF5NtJZLALgWfo5n\n" + "hmC8+G8F0F78znQtPwJBANexu+Tg5KfOnzSILJMo3oXiXhf5PqXIDmbN0BKyCKAQ\n" + "LfkcEcUbVfmDaHpvzwY9VEaoMOKVLitETXdNSxVpvWM=\n" + "-----END RSA PRIVATE KEY-----\n"; + +const gnutls_datum_t server_key = { server_key_pem, + sizeof(server_key_pem) +}; + +static int received = 0; + +static int handshake_callback(gnutls_session_t session, unsigned int htype, + unsigned post, unsigned int incoming, const gnutls_datum_t *msg) +{ + fail("received status request\n"); + received = 1; + return 0; +} + +#define MAX_BUF 1024 + +static void client(int fd) +{ + int ret; + unsigned int status; + gnutls_certificate_credentials_t x509_cred; + gnutls_session_t session; + /* Need to enable anonymous KX specifically. */ + + gnutls_global_set_time_function(mytime); + global_init(); + + if (debug) { + gnutls_global_set_log_function(client_log_func); + gnutls_global_set_log_level(7); + } + + gnutls_certificate_allocate_credentials(&x509_cred); + + /* Initialize TLS session + */ + gnutls_init(&session, GNUTLS_CLIENT); + + /* Use default priorities */ + gnutls_priority_set_direct(session, "NORMAL:-KX-ALL:+ECDHE-RSA", NULL); + + gnutls_handshake_set_hook_function(session, GNUTLS_HANDSHAKE_CERTIFICATE_STATUS, + GNUTLS_HOOK_POST, + handshake_callback); + + /* put the anonymous credentials to the current session + */ + gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred); + + gnutls_transport_set_int(session, fd); + + /* Perform the TLS handshake + */ + do { + ret = gnutls_handshake(session); + } + while (ret < 0 && gnutls_error_is_fatal(ret) == 0); + + if (ret == GNUTLS_E_UNSUPPORTED_SIGNATURE_ALGORITHM) { + /* success */ + goto end; + } + + if (ret < 0) { + fail("client: Handshake failed: %s\n", gnutls_strerror(ret)); + terminate(); + } else { + if (debug) + success("client: Handshake was completed\n"); + } + + if (debug) + success("client: TLS version is: %s\n", + gnutls_protocol_get_name + (gnutls_protocol_get_version(session))); + + if (received == 1) { + fail("client: received certificate status when we shouldn't.\n"); + terminate(); + } + + ret = gnutls_certificate_verify_peers2(session, &status); + if (ret != GNUTLS_E_SUCCESS) { + fail("client: Peer certificate validation failed: %s\n", gnutls_strerror(ret)); + terminate(); + } + else { + if (status & GNUTLS_CERT_MISSING_OCSP_STATUS) { + success("client: Validation failed with GNUTLS_CERT_MISSING_OCSP_STATUS\n"); + } + else { + fail("client: Validation status does not include GNUTLS_CERT_MISSING_OCSP_STATUS. Status is %d\n", status); + terminate(); + } + } + + gnutls_bye(session, GNUTLS_SHUT_WR); + + end: + + close(fd); + + gnutls_deinit(session); + + gnutls_certificate_free_credentials(x509_cred); + + gnutls_global_deinit(); +} + + +/* These are global */ +pid_t child; + +static void terminate(void) +{ + kill(child, SIGTERM); + exit(1); +} + +static void server(int fd) +{ + int ret; + char buffer[MAX_BUF + 1]; + gnutls_session_t session; + gnutls_certificate_credentials_t x509_cred; + + /* this must be called once in the program + */ + global_init(); + memset(buffer, 0, sizeof(buffer)); + + if (debug) { + gnutls_global_set_log_function(server_log_func); + gnutls_global_set_log_level(4711); + } + + gnutls_certificate_allocate_credentials(&x509_cred); + gnutls_certificate_set_x509_key_mem(x509_cred, &server_cert, + &server_key, + GNUTLS_X509_FMT_PEM); + + gnutls_init(&session, GNUTLS_SERVER); + + /* avoid calling all the priority functions, since the defaults + * are adequate. + */ + gnutls_priority_set_direct(session, "NORMAL", NULL); + + gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred); + + gnutls_transport_set_int(session, fd); + + do { + ret = gnutls_handshake(session); + } while (ret < 0 && gnutls_error_is_fatal(ret) == 0); + if (ret < 0) { + /* failure is expected here */ + goto end; + } + + if (debug) { + success("server: Handshake was completed\n"); + } + + if (debug) + success("server: TLS version is: %s\n", + gnutls_protocol_get_name + (gnutls_protocol_get_version(session))); + + /* do not wait for the peer to close the connection. + */ + gnutls_bye(session, GNUTLS_SHUT_WR); + + end: + close(fd); + gnutls_deinit(session); + + gnutls_certificate_free_credentials(x509_cred); + + gnutls_global_deinit(); + + if (debug) + success("server: finished\n"); +} + +static void ch_handler(int sig) +{ + return; +} + +void doit(void) +{ + int fd[2]; + int ret, status = 0; + + signal(SIGCHLD, ch_handler); + signal(SIGPIPE, SIG_IGN); + + ret = socketpair(AF_UNIX, SOCK_STREAM, 0, fd); + if (ret < 0) { + perror("socketpair"); + exit(1); + } + + child = fork(); + if (child < 0) { + perror("fork"); + fail("fork"); + exit(1); + } + + if (child) { + /* parent */ + close(fd[1]); + client(fd[0]); + waitpid(child, &status, 0); + + if (WEXITSTATUS(status) != 0 || + (WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV)) { + if (WIFSIGNALED(status)) + fail("Child died with sigsegv\n"); + else + fail("Child died with status %d\n", + WEXITSTATUS(status)); + } + } else { + close(fd[0]); + server(fd[1]); + exit(0); + } + + return; +} + +#endif /* _WIN32 */ -- cgit v1.2.1