tests/openpgp-auth2.c

   1 /*
   2  * Copyright (C) 2010-2012 Free Software Foundation, Inc.
   3  * Author: Ludovic Courtès
   4  *
   5  * This file is part of GNUTLS.
   6  *
   7  * GNUTLS is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * GNUTLS is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with GNUTLS; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #if !defined(_WIN32)
  27
  28 #include <gnutls/gnutls.h>
  29 #include <gnutls/openpgp.h>
  30
  31 #include "utils.h"
  32 #include <read-file.h>
  33
  34 #include <unistd.h>
  35 #include <stdlib.h>
  36 #include <sys/types.h>
  37 #include <sys/socket.h>
  38 #include <sys/wait.h>
  39 #include <string.h>
  40 #include <errno.h>
  41 #include <stdio.h>
  42
  43
  44 /* This is the same test as openpgp-auth but tests
  45  * openpgp under the latest TLS protocol (TLSv1.2). In
  46  * addition it tests DSS signatures under that.
  47  */
  48
  49 static const char message[] = "Hello, brave GNU world!";
  50
  51 /* The OpenPGP key pair for use and the key ID in those keys.  */
  52 static const char pub_key_file[] = "../guile/tests/openpgp-pub.asc";
  53 static const char priv_key_file[] = "../guile/tests/openpgp-sec.asc";
  54 static const char *key_id = NULL
  55   /* FIXME: The values below don't work as expected.  */
  56   /* "auto" */
  57   /* "bd572cdcccc07c35" */ ;
  58
  59 static void
  60 log_message (int level, const char *message)
  61 {
  62   fprintf (stderr, "[%5d|%2d] %s", getpid (), level, message);
  63 }
  64 \f
  65
  66 void
  67 doit ()
  68 {
  69   int err;
  70   int sockets[2];
  71   const char *srcdir;
  72   char *pub_key_path, *priv_key_path;
  73   pid_t child;
  74
  75   gnutls_global_init ();
  76
  77   srcdir = getenv ("srcdir") ? getenv ("srcdir") : ".";
  78
  79   if (debug)
  80     {
  81       gnutls_global_set_log_level (10);
  82       gnutls_global_set_log_function (log_message);
  83     }
  84
  85   err = socketpair (PF_UNIX, SOCK_STREAM, 0, sockets);
  86   if (err != 0)
  87     fail ("socketpair %s\n", strerror (errno));
  88
  89   pub_key_path = alloca (strlen (srcdir) + strlen (pub_key_file) + 2);
  90   strcpy (pub_key_path, srcdir);
  91   strcat (pub_key_path, "/");
  92   strcat (pub_key_path, pub_key_file);
  93
  94   priv_key_path = alloca (strlen (srcdir) + strlen (priv_key_file) + 2);
  95   strcpy (priv_key_path, srcdir);
  96   strcat (priv_key_path, "/");
  97   strcat (priv_key_path, priv_key_file);
  98
  99   child = fork ();
 100   if (child == -1)
 101     fail ("fork %s\n", strerror (errno));
 102
 103   if (child == 0)
 104     {
 105       /* Child process (client).  */
 106       gnutls_session_t session;
 107       gnutls_certificate_credentials_t cred;
 108       ssize_t sent;
 109
 110       if (debug)
 111         printf ("client process %i\n", getpid ());
 112
 113       err = gnutls_init (&session, GNUTLS_CLIENT);
 114       if (err != 0)
 115         fail ("client session %d\n", err);
 116
 117       gnutls_priority_set_direct (session, "NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+DHE-DSS:+DHE-RSA:+CTYPE-OPENPGP", NULL);
 118       gnutls_transport_set_ptr (session,
 119                                 (gnutls_transport_ptr_t) (intptr_t)
 120                                 sockets[0]);
 121
 122       err = gnutls_certificate_allocate_credentials (&cred);
 123       if (err != 0)
 124         fail ("client credentials %d\n", err);
 125
 126       err =
 127         gnutls_certificate_set_openpgp_key_file2 (cred,
 128                                                   pub_key_path, priv_key_path,
 129                                                   key_id,
 130                                                   GNUTLS_OPENPGP_FMT_BASE64);
 131       if (err != 0)
 132         fail ("client openpgp keys %d\n", err);
 133
 134       err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
 135       if (err != 0)
 136         fail ("client credential_set %d\n", err);
 137
 138       gnutls_dh_set_prime_bits (session, 1024);
 139
 140       err = gnutls_handshake (session);
 141       if (err != 0)
 142         fail ("client handshake %s (%d) \n", gnutls_strerror(err), err);
 143       else if (debug)
 144         printf ("client handshake successful\n");
 145
 146       sent = gnutls_record_send (session, message, sizeof (message));
 147       if (sent != sizeof (message))
 148         fail ("client sent %li vs. %li\n",
 149               (long) sent, (long) sizeof (message));
 150
 151       err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
 152       if (err != 0)
 153         fail ("client bye %d\n", err);
 154
 155       if (debug)
 156         printf ("client done\n");
 157
 158       gnutls_deinit(session);
 159       gnutls_certificate_free_credentials (cred);
 160     }
 161   else
 162     {
 163       /* Parent process (server).  */
 164       gnutls_session_t session;
 165       gnutls_dh_params_t dh_params;
 166       gnutls_certificate_credentials_t cred;
 167       char greetings[sizeof (message) * 2];
 168       ssize_t received;
 169       pid_t done;
 170       int status;
 171       const gnutls_datum_t p3 = { (void*) pkcs3, strlen (pkcs3) };
 172
 173       if (debug)
 174         printf ("server process %i (child %i)\n", getpid (), child);
 175
 176       err = gnutls_init (&session, GNUTLS_SERVER);
 177       if (err != 0)
 178         fail ("server session %d\n", err);
 179
 180       gnutls_priority_set_direct (session, "NONE:+VERS-TLS1.2:+CIPHER-ALL:+MAC-ALL:+SIGN-ALL:+COMP-ALL:+DHE-DSS:+DHE-RSA:+CTYPE-OPENPGP", NULL);
 181       gnutls_transport_set_ptr (session,
 182                                 (gnutls_transport_ptr_t) (intptr_t)
 183                                 sockets[1]);
 184
 185       err = gnutls_certificate_allocate_credentials (&cred);
 186       if (err != 0)
 187         fail ("server credentials %d\n", err);
 188
 189       err =
 190         gnutls_certificate_set_openpgp_key_file2 (cred,
 191                                                   pub_key_path, priv_key_path,
 192                                                   key_id,
 193                                                   GNUTLS_OPENPGP_FMT_BASE64);
 194       if (err != 0)
 195         fail ("server openpgp keys %d\n", err);
 196
 197       err = gnutls_dh_params_init (&dh_params);
 198       if (err)
 199         fail ("server DH params init %d\n", err);
 200
 201       err =
 202         gnutls_dh_params_import_pkcs3 (dh_params, &p3, GNUTLS_X509_FMT_PEM);
 203       if (err)
 204         fail ("server DH params generate %d\n", err);
 205
 206       gnutls_certificate_set_dh_params (cred, dh_params);
 207
 208       err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
 209       if (err != 0)
 210         fail ("server credential_set %d\n", err);
 211
 212       gnutls_certificate_server_set_request (session, GNUTLS_CERT_REQUIRE);
 213
 214       err = gnutls_handshake (session);
 215       if (err != 0)
 216         fail ("server handshake %s (%d) \n", gnutls_strerror(err), err);
 217
 218       received = gnutls_record_recv (session, greetings, sizeof (greetings));
 219       if (received != sizeof (message)
 220           || memcmp (greetings, message, sizeof (message)))
 221         fail ("server received %li vs. %li\n",
 222               (long) received, (long) sizeof (message));
 223
 224       err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
 225       if (err != 0)
 226         fail ("server bye %s (%d) \n", gnutls_strerror(err), err);
 227
 228       if (debug)
 229         printf ("server done\n");
 230
 231       gnutls_deinit(session);
 232       gnutls_certificate_free_credentials (cred);
 233       gnutls_dh_params_deinit (dh_params);
 234
 235       done = wait (&status);
 236       if (done < 0)
 237         fail ("wait %s\n", strerror (errno));
 238
 239       if (done != child)
 240         fail ("who's that?! %d\n", done);
 241
 242       if (WIFEXITED (status))
 243         {
 244           if (WEXITSTATUS (status) != 0)
 245             fail ("child exited with status %d\n", WEXITSTATUS (status));
 246         }
 247       else if (WIFSIGNALED (status))
 248         fail ("child stopped by signal %d\n", WTERMSIG (status));
 249       else
 250         fail ("child failed: %d\n", status);
 251     }
 252
 253   gnutls_global_deinit ();
 254 }
 255 #else
 256 #include <stdlib.h>
 257
 258 void
 259 doit ()
 260 {
 261   exit (77);
 262 }
 263 #endif