/* t-keylist.c  - regression test
 *	Copyright (C) 2000 Werner Koch (dd9jn)
 *      Copyright (C) 2001 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 General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>

#include <gpgme.h>

#define fail_if_err(a) do { if(a) {                                       \
                               fprintf (stderr, "%s:%d: GpgmeError %s\n", \
                                __FILE__, __LINE__, gpgme_strerror(a));   \
                                exit (1); }                               \
                             } while(0)

static void
doit (GpgmeCtx ctx, const char *pattern)
{
  GpgmeError err;
  GpgmeKey key;

  err = gpgme_op_keylist_start (ctx, pattern, 0);
  fail_if_err (err);
    
  while (!(err = gpgme_op_keylist_next (ctx, &key)))
    {
      char *p;
      const char *s;
      int i;

      printf ("<!-- Begin key object (%p) -->\n", key);
      p = gpgme_key_get_as_xml (key);
      if (p)
	{
	  fputs (p, stdout);
	  free (p);
        }
      else
	fputs("<!-- Ooops: gpgme_key_get_as_xml failed -->\n", stdout);

      for (i = 0; ; i++)
	{
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEYID, NULL, i);
	  if (!s)
	    break;
	  printf ("<!-- keyid.%d=%s -->\n", i, s);
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_ALGO, NULL, i);
	  printf ("<!-- algo.%d=%s -->\n", i, s);
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_KEY_CAPS, NULL, i);
	  printf ("<!-- caps.%d=%s -->\n", i, s);
        }
      for (i = 0; ; i++)
	{
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_NAME, NULL, i);
	  if (!s)
	    break;
	  printf ("<!-- name.%d=%s -->\n", i, s);
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_EMAIL, NULL, i);
	  printf ("<!-- email.%d=%s -->\n", i, s);
	  s = gpgme_key_get_string_attr (key, GPGME_ATTR_COMMENT, NULL, i);
	  printf ("<!-- comment.%d=%s -->\n", i, s);
        }
      
      fputs ("<!-- usable for:", stdout);
      if ( gpgme_key_get_ulong_attr (key, GPGME_ATTR_CAN_ENCRYPT, NULL, 0))
	fputs (" encryption", stdout);
      if ( gpgme_key_get_ulong_attr (key, GPGME_ATTR_CAN_SIGN, NULL, 0))
	fputs (" signing", stdout);
      if ( gpgme_key_get_ulong_attr (key, GPGME_ATTR_CAN_CERTIFY, NULL, 0))
	fputs (" certification", stdout);
      fputs (" -->\n", stdout );
      
      printf ("<!-- End key object (%p) -->\n", key);
      gpgme_key_release (key);
    }
  if (err != GPGME_EOF)
    fail_if_err (err);
}


/* 
 * Check that there are no problems when we are using two context for
 * listing keys. 
 */
static void
check_two_contexts (void)
{
  GpgmeError err;
  GpgmeCtx ctx1, ctx2;
  GpgmeKey key;
	
  err = gpgme_new(&ctx1); fail_if_err (err);
  err = gpgme_op_keylist_start(ctx1, "", 1);
  fail_if_err (err);
  err = gpgme_new(&ctx2); fail_if_err (err);
  err = gpgme_op_keylist_start(ctx2, "", 1);
  fail_if_err (err);
  
  while ((err = gpgme_op_keylist_next (ctx2, &key)) != GPGME_EOF)
    gpgme_key_release (key);

  if (err != GPGME_EOF)
    fail_if_err (err);
  while ((err=gpgme_op_keylist_next(ctx1, &key)) != GPGME_EOF)
    gpgme_key_release (key);

  if (err != GPGME_EOF)
    fail_if_err (err);
}


int 
main (int argc, char **argv)
{
  GpgmeCtx ctx;
  GpgmeError err;
  int loop = 0;
  const char *pattern;
    
  if (argc)
    {
      argc--;
      argv++;
    }
    
  if (argc && !strcmp( *argv, "--loop"))
    {
      loop = 1;
      argc--; argv++;
    }
  pattern = argc? *argv : NULL;

  err = gpgme_check_engine();
  fail_if_err (err);

  err = gpgme_new (&ctx);
  fail_if_err (err);
  /* No validity calculation.  */
  gpgme_set_keylist_mode (ctx, 1);
  do
    {
      fprintf (stderr, "** pattern=`%s'\n", pattern ? pattern : "(null)");
      doit (ctx, pattern);
    }
  while (loop);
  gpgme_release (ctx);

  check_two_contexts ();

  return 0;
}