]> git.ipfire.org Git - thirdparty/gnutls.git/commitdiff
tests: add testcase to check for missing status request
authorTim Kosse <tim.kosse@filezilla-project.org>
Fri, 15 Jan 2016 13:45:03 +0000 (14:45 +0100)
committerNikos Mavrogiannopoulos <nmav@redhat.com>
Mon, 30 May 2016 12:11:22 +0000 (14:11 +0200)
That is verify whether the OCSP MUST-staple extension, as can be
deduced from RFC7633, is accounted during handshake.

tests/Makefile.am
tests/status-request-missing.c [new file with mode: 0644]

index c019fd30166653a9bd285feeeeeff77407c6a346..517d0caa874904e34b3adbc0f54eb90242fc87ac 100644 (file)
@@ -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 (file)
index 0000000..7ae56ed
--- /dev/null
@@ -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 <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#if defined(_WIN32)
+
+int main()
+{
+       exit(77);
+}
+
+#else
+
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <arpa/inet.h>
+#include <unistd.h>
+#include <time.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/dtls.h>
+#include <signal.h>
+
+#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 */