/* t-signers.c - Regression tests for the multiple signers interface.

 * Copyright (C) 2000 Werner Koch (dd9jn)

 * Copyright (C) 2001, 2003, 2004 g10 Code GmbH

 *

 * This file is part of GPGME.

 *

 * GPGME is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * GPGME 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program; if not, see <https://gnu.org/licenses/>.

 * SPDX-License-Identifier: LGPL-2.1-or-later

 */

/* We need to include config.h so that we know whether we are building

   with large file system (LFS) support. */

#ifdef HAVE_CONFIG_H

#include <config.h>

#endif

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <unistd.h>

#include <gpgme.h>

#include "t-support.h"

static void

check_result (gpgme_sign_result_t result, gpgme_sig_mode_t type)

{

  gpgme_new_signature_t signature;

  if (result->invalid_signers)

    {

      fprintf (stderr, "Invalid signer found: %s\n",

	       result->invalid_signers->fpr);

      exit (1);

    }

  if (!result->signatures || !result->signatures->next

      || result->signatures->next->next)

    {

      fprintf (stderr, "Unexpected number of signatures created\n");

      exit (1);

    }

  signature = result->signatures;

  while (signature)

    {

      if (signature->type != type)

	{

	  fprintf (stderr, "Wrong type of signature created\n");

	  exit (1);

	}

      if (signature->pubkey_algo != GPGME_PK_DSA)

	{

	  fprintf (stderr, "Wrong pubkey algorithm reported: %i\n",

		   signature->pubkey_algo);

	  exit (1);

	}

      if (signature->hash_algo != GPGME_MD_SHA1)

	{

	  fprintf (stderr, "Wrong hash algorithm reported: %i\n",

		   signature->hash_algo);

	  exit (1);

	}

      if (signature->sig_class != 1)

	{

	  fprintf (stderr, "Wrong signature class reported: %u\n",

		   signature->sig_class);

	  exit (1);

	}

      if (strcmp ("A0FF4590BB6122EDEF6E3C542D727CC768697734",

		   signature->fpr)

	  && strcmp ("23FD347A419429BACCD5E72D6BC4778054ACD246",

		     signature->fpr))

	{

	  fprintf (stderr, "Wrong fingerprint reported: %s\n",

		   signature->fpr);

	  exit (1);

	}

      signature = signature->next;

    }

}

int

main (int argc, char *argv[])

{

  gpgme_ctx_t ctx;

  gpgme_error_t err;

  gpgme_data_t in, out;

  gpgme_key_t key[2];

  gpgme_sign_result_t result;

  char *agent_info;

  (void)argc;

  (void)argv;

  init_gpgme (GPGME_PROTOCOL_OpenPGP);

  err = gpgme_new (&ctx;;

  fail_if_err (err);

  agent_info = getenv("GPG_AGENT_INFO");

  if (!(agent_info && strchr (agent_info, ':')))

    gpgme_set_passphrase_cb (ctx, passphrase_cb, NULL);

  gpgme_set_textmode (ctx, 1);

  gpgme_set_armor (ctx, 1);

  err = gpgme_op_keylist_start (ctx, NULL, 1);

  fail_if_err (err);

  err = gpgme_op_keylist_next (ctx, &key[0]);

  fail_if_err (err);

  err = gpgme_op_keylist_next (ctx, &key[1]);

  fail_if_err (err);

  err = gpgme_op_keylist_end (ctx);

  fail_if_err (err);

  err = gpgme_signers_add (ctx, key[0]);

  fail_if_err (err);

  err = gpgme_signers_add (ctx, key[1]);

  fail_if_err (err);

  err = gpgme_data_new_from_mem (&in, "Hallo Leute\n", 12, 0);

  fail_if_err (err);

  /* First a normal signature.  */

  err = gpgme_data_new (&out;;

  fail_if_err (err);

  err = gpgme_op_sign (ctx, in, out, GPGME_SIG_MODE_NORMAL);

  fail_if_err (err);

  result = gpgme_op_sign_result (ctx);

  check_result (result, GPGME_SIG_MODE_NORMAL);

  print_data (out);

  gpgme_data_release (out);

  /* Now a detached signature.  */

  gpgme_data_seek (in, 0, SEEK_SET);

  err = gpgme_data_new (&out;;

  fail_if_err (err);

  err = gpgme_op_sign (ctx, in, out, GPGME_SIG_MODE_DETACH);

  fail_if_err (err);

  result = gpgme_op_sign_result (ctx);

  check_result (result, GPGME_SIG_MODE_DETACH);

  print_data (out);

  gpgme_data_release (out);

  /* And finally a cleartext signature.  */

  gpgme_data_seek (in, 0, SEEK_SET);

  err = gpgme_data_new (&out;;

  fail_if_err (err);

  err = gpgme_op_sign (ctx, in, out, GPGME_SIG_MODE_CLEAR);

  fail_if_err (err);

  result = gpgme_op_sign_result (ctx);

  check_result (result, GPGME_SIG_MODE_CLEAR);

  print_data (out);

  gpgme_data_release (out);

  gpgme_data_seek (in, 0, SEEK_SET);

  gpgme_data_release (in);

  gpgme_release (ctx);

  gpgme_key_unref (key[0]);

  gpgme_key_unref (key[1]);

  return 0;

}