/* * 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); check_wait_status(status); } else { close(fd[0]); server(fd[1]); exit(0); } return; } #endif /* _WIN32 */