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/* run-identify - Helper to run the identify command
* Copyright (C) 2016 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 <gpgme.h>
#define PGM "run-identify"
#include "run-support.h"
static int verbose;
static const char *
data_type_to_string (gpgme_data_type_t dt)
{
const char *s = "[?]";
switch (dt)
{
case GPGME_DATA_TYPE_INVALID : s = "invalid"; break;
case GPGME_DATA_TYPE_UNKNOWN : s = "unknown"; break;
case GPGME_DATA_TYPE_PGP_SIGNED : s = "PGP-signed"; break;
case GPGME_DATA_TYPE_PGP_SIGNATURE: s = "PGP-signature"; break;
case GPGME_DATA_TYPE_PGP_ENCRYPTED: s = "PGP-encrypted"; break;
case GPGME_DATA_TYPE_PGP_OTHER : s = "PGP"; break;
case GPGME_DATA_TYPE_PGP_KEY : s = "PGP-key"; break;
case GPGME_DATA_TYPE_CMS_SIGNED : s = "CMS-signed"; break;
case GPGME_DATA_TYPE_CMS_ENCRYPTED: s = "CMS-encrypted"; break;
case GPGME_DATA_TYPE_CMS_OTHER : s = "CMS"; break;
case GPGME_DATA_TYPE_X509_CERT : s = "X.509"; break;
case GPGME_DATA_TYPE_PKCS12 : s = "PKCS12"; break;
}
return s;
}
static int
show_usage (int ex)
{
fputs ("usage: " PGM " [options] FILENAMEs\n\n"
"Options:\n"
" --verbose run in verbose mode\n"
, stderr);
exit (ex);
}
int
main (int argc, char **argv)
{
int last_argc = -1;
gpgme_error_t err;
int anyerr = 0;
gpgme_data_t data;
gpgme_data_type_t dt;
if (argc)
{ argc--; argv++; }
while (argc && last_argc != argc )
{
last_argc = argc;
if (!strcmp (*argv, "--"))
{
argc--; argv++;
break;
}
else if (!strcmp (*argv, "--help"))
show_usage (0);
else if (!strcmp (*argv, "--verbose"))
{
verbose = 1;
argc--; argv++;
}
else if (!strncmp (*argv, "--", 2))
show_usage (1);
}
init_gpgme_basic ();
for (; argc; argc--, argv++)
{
if (verbose)
printf ("reading file `%s'\n", *argv);
err = gpgme_data_new_from_file (&data, *argv, 1);
if (err)
{
fprintf (stderr, PGM ": error reading '%s': %s\n",
*argv, gpg_strerror (err));
anyerr = 1;
}
else
{
dt = gpgme_data_identify (data, 0);
if (dt == GPGME_DATA_TYPE_INVALID)
anyerr = 1;
printf ("%s: %s\n", *argv, data_type_to_string (dt));
gpgme_data_release (data);
}
}
return anyerr;
}
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