Add an OpenPGP authentication unit test.

* tests/Makefile.am (ctests)[ENABLE_OPENPGP]: Add `openpgp-auth'.
  (TESTS_ENVIRONMENT): Add `srcdir'.

* tests/openpgp-auth.c: New file.

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

1 files changed, 282 insertions, 0 deletions

diff --git a/tests/openpgp-auth.c b/tests/openpgp-auth.c
new file mode 100644
index 0000000000..09b5d88371
--- /dev/null
+++ b/tests/openpgp-auth.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (C) 2010 Free Software Foundation
+ * Author: Ludovic Courtès
+ *
+ * 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 <gnutls/gnutls.h>
+#include <gnutls/openpgp.h>
+
+#include "utils.h"
+#include <read-file.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+
+static const char message[] = "Hello, brave GNU world!";
+
+/* The OpenPGP key pair for use and the key ID in those keys.  */
+static const char pub_key_file[] = "../guile/tests/openpgp-pub.asc";
+static const char priv_key_file[] = "../guile/tests/openpgp-sec.asc";
+static const char *key_id =
+  NULL
+  /* FIXME: The values below don't work as expected.  */
+  /* "auto" */
+  /* "bd572cdcccc07c35" */;
+
+static const char rsa_params_file[] = "../guile/tests/rsa-parameters.pem";
+
+static const int protocols[] = { GNUTLS_TLS1_0, 0 };
+static const int cert_types[] = { GNUTLS_CRT_OPENPGP, 0 };
+static const int ciphers[] =
+  {
+    GNUTLS_CIPHER_NULL, GNUTLS_CIPHER_ARCFOUR,
+    GNUTLS_CIPHER_AES_128_CBC, GNUTLS_CIPHER_AES_256_CBC,
+    0
+  };
+static const int kx[] =
+  {
+    GNUTLS_KX_RSA, GNUTLS_KX_RSA_EXPORT,
+    GNUTLS_KX_DHE_RSA, GNUTLS_KX_DHE_DSS,
+    0
+  };
+static const int macs[] =
+  {
+    GNUTLS_MAC_SHA1, GNUTLS_MAC_RMD160, GNUTLS_MAC_MD5,
+    0
+  };
+
+static void
+log_message (int level, const char *message)
+{
+  fprintf (stderr, "[%5d|%2d] %s", getpid (), level, message);
+}
+
+
+void
+doit ()
+{
+  int err;
+  int sockets[2];
+  const char *srcdir;
+  char *pub_key_path, *priv_key_path;
+  pid_t child;
+
+  gnutls_global_init ();
+
+  srcdir = getenv ("srcdir") ?: ".";
+
+  if (debug)
+    {
+      gnutls_global_set_log_level (10);
+      gnutls_global_set_log_function (log_message);
+    }
+
+  err = socketpair (PF_UNIX, SOCK_STREAM, 0, sockets);
+  if (err != 0)
+    fail ("socketpair %s\n", strerror (errno));
+
+  pub_key_path = alloca (strlen (srcdir) + strlen (pub_key_file) + 2);
+  strcpy (pub_key_path, srcdir);
+  strcat (pub_key_path, "/");
+  strcat (pub_key_path, pub_key_file);
+
+  priv_key_path = alloca (strlen (srcdir) + strlen (priv_key_file) + 2);
+  strcpy (priv_key_path, srcdir);
+  strcat (priv_key_path, "/");
+  strcat (priv_key_path, priv_key_file);
+
+  child = fork ();
+  if (child == -1)
+    fail ("fork %s\n", strerror (errno));
+
+  if (child == 0)
+    {
+      /* Child process (client).  */
+      gnutls_session_t session;
+      gnutls_certificate_credentials_t cred;
+      ssize_t sent;
+
+      if (debug)
+	printf ("client process %i\n", getpid ());
+
+      err = gnutls_init (&session, GNUTLS_CLIENT);
+      if (err != 0)
+	fail ("client session %d\n", err);
+
+      gnutls_set_default_priority (session);
+      gnutls_transport_set_ptr (session,
+				(gnutls_transport_ptr_t)(intptr_t) sockets[0]);
+
+      err = gnutls_certificate_allocate_credentials (&cred);
+      if (err != 0)
+	fail ("client credentials %d\n", err);
+
+      err =
+	gnutls_certificate_set_openpgp_key_file2 (cred,
+						  pub_key_file, priv_key_file,
+						  key_id,
+						  GNUTLS_OPENPGP_FMT_BASE64);
+      if (err != 0)
+	fail ("client openpgp keys %d\n", err);
+
+      err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
+      if (err != 0)
+	fail ("client credential_set %d\n", err);
+
+      gnutls_protocol_set_priority (session, protocols);
+      gnutls_certificate_type_set_priority (session, cert_types);
+      gnutls_cipher_set_priority (session, ciphers);
+      gnutls_kx_set_priority (session, kx);
+      gnutls_mac_set_priority (session, macs);
+      gnutls_dh_set_prime_bits (session, 1024);
+
+      err = gnutls_handshake (session);
+      if (err != 0)
+	fail ("client handshake %d\n", err);
+      else if (debug)
+	printf ("client handshake successful\n");
+
+      sent = gnutls_record_send (session, message, sizeof (message));
+      if (sent != sizeof (message))
+	fail ("client sent %li vs. %li\n", sent, sizeof (message));
+
+      err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
+      if (err != 0)
+	fail ("client bye %d\n", err);
+
+      if (debug)
+	printf ("client done\n");
+    }
+  else
+    {
+      /* Parent process (server).  */
+      gnutls_session_t session;
+      gnutls_dh_params_t dh_params;
+      gnutls_rsa_params_t rsa_params;
+      gnutls_certificate_credentials_t cred;
+      char greetings[sizeof (message) * 2];
+      ssize_t received;
+      pid_t done;
+      int status;
+      size_t rsa_size;
+      gnutls_datum_t rsa_data;
+
+      if (debug)
+	printf ("server process %i (child %i)\n", getpid (), child);
+
+      err = gnutls_init (&session, GNUTLS_SERVER);
+      if (err != 0)
+	fail ("server session %d\n", err);
+
+      gnutls_set_default_priority (session);
+      gnutls_transport_set_ptr (session,
+				(gnutls_transport_ptr_t)(intptr_t) sockets[1]);
+
+      err = gnutls_certificate_allocate_credentials (&cred);
+      if (err != 0)
+	fail ("server credentials %d\n", err);
+
+      err =
+	gnutls_certificate_set_openpgp_key_file2 (cred,
+						  pub_key_file, priv_key_file,
+						  key_id,
+						  GNUTLS_OPENPGP_FMT_BASE64);
+      if (err != 0)
+	fail ("server openpgp keys %d\n", err);
+
+      err = gnutls_dh_params_init (&dh_params);
+      if (err)
+      	fail ("server DH params init %d\n", err);
+
+      err = gnutls_dh_params_generate2 (dh_params, 1024);
+      if (err)
+      	fail ("server DH params generate %d\n", err);
+
+      gnutls_certificate_set_dh_params (cred, dh_params);
+
+      rsa_data.data =
+      	(unsigned char *) read_binary_file (rsa_params_file, &rsa_size);
+      rsa_data.size = rsa_size;
+
+      err = gnutls_rsa_params_init (&rsa_params);
+      if (err)
+	fail ("server RSA params init %d\n", err);
+
+      err = gnutls_rsa_params_import_pkcs1 (rsa_params, &rsa_data,
+					    GNUTLS_X509_FMT_PEM);
+      if (err)
+	fail ("server RSA params import %d\n", err);
+
+      gnutls_certificate_set_rsa_export_params (cred, rsa_params);
+
+      err = gnutls_credentials_set (session, GNUTLS_CRD_CERTIFICATE, cred);
+      if (err != 0)
+	fail ("server credential_set %d\n", err);
+
+      gnutls_protocol_set_priority (session, protocols);
+      gnutls_certificate_type_set_priority (session, cert_types);
+      gnutls_cipher_set_priority (session, ciphers);
+      gnutls_kx_set_priority (session, kx);
+      gnutls_mac_set_priority (session, macs);
+      gnutls_certificate_server_set_request (session, GNUTLS_CERT_REQUIRE);
+
+      err = gnutls_handshake (session);
+      if (err != 0)
+	fail ("server handshake %d\n", err);
+
+      received = gnutls_record_recv (session, greetings, sizeof (greetings));
+      if (received != sizeof (message)
+	  || memcmp (greetings, message, sizeof (message)))
+	fail ("server received %li vs. %li\n", received, sizeof (message));
+
+      err = gnutls_bye (session, GNUTLS_SHUT_RDWR);
+      if (err != 0)
+	fail ("server bye %d\n", err);
+
+      if (debug)
+	printf ("server done\n");
+
+      done = wait (&status);
+      if (done < 0)
+	fail ("wait %s\n", strerror (errno));
+
+      if (done != child)
+	fail ("who's that?! %d\n", done);
+
+      if (WIFEXITED (status))
+	{
+	  if (WEXITSTATUS (status) != 0)
+	    fail ("child exited with status %d\n", WEXITSTATUS (status));
+	}
+      else if (WIFSIGNALED (status))
+	fail ("child stopped by signal %d\n", WTERMSIG (status));
+      else
+	fail ("child failed: %d\n", status);
+    }
+}