Line data    Source code

       1             : /* run-identify  - Helper to run the identify command
       2             :  * Copyright (C) 2016 g10 Code GmbH
       3             :  *
       4             :  * This file is part of GPGME.
       5             :  *
       6             :  * GPGME is free software; you can redistribute it and/or modify it
       7             :  * under the terms of the GNU Lesser General Public License as
       8             :  * published by the Free Software Foundation; either version 2.1 of
       9             :  * the License, or (at your option) any later version.
      10             :  *
      11             :  * GPGME is distributed in the hope that it will be useful, but
      12             :  * WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with this program; if not, see <https://www.gnu.org/licenses/>.
      18             :  */
      19             : 
      20             : /* We need to include config.h so that we know whether we are building
      21             :    with large file system (LFS) support. */
      22             : #ifdef HAVE_CONFIG_H
      23             : #include <config.h>
      24             : #endif
      25             : 
      26             : #include <stdlib.h>
      27             : #include <stdio.h>
      28             : #include <string.h>
      29             : 
      30             : #include <gpgme.h>
      31             : 
      32             : #define PGM "run-identify"
      33             : 
      34             : #include "run-support.h"
      35             : 
      36             : 
      37             : static int verbose;
      38             : 
      39             : 
      40             : static const char *
      41           0 : data_type_to_string (gpgme_data_type_t dt)
      42             : {
      43           0 :   const char *s = "[?]";
      44             : 
      45           0 :   switch (dt)
      46             :     {
      47           0 :     case GPGME_DATA_TYPE_INVALID      : s = "invalid"; break;
      48           0 :     case GPGME_DATA_TYPE_UNKNOWN      : s = "unknown"; break;
      49           0 :     case GPGME_DATA_TYPE_PGP_SIGNED   : s = "PGP-signed"; break;
      50           0 :     case GPGME_DATA_TYPE_PGP_SIGNATURE: s = "PGP-signature"; break;
      51           0 :     case GPGME_DATA_TYPE_PGP_ENCRYPTED: s = "PGP-encrypted"; break;
      52           0 :     case GPGME_DATA_TYPE_PGP_OTHER    : s = "PGP"; break;
      53           0 :     case GPGME_DATA_TYPE_PGP_KEY      : s = "PGP-key"; break;
      54           0 :     case GPGME_DATA_TYPE_CMS_SIGNED   : s = "CMS-signed"; break;
      55           0 :     case GPGME_DATA_TYPE_CMS_ENCRYPTED: s = "CMS-encrypted"; break;
      56           0 :     case GPGME_DATA_TYPE_CMS_OTHER    : s = "CMS"; break;
      57           0 :     case GPGME_DATA_TYPE_X509_CERT    : s = "X.509"; break;
      58           0 :     case GPGME_DATA_TYPE_PKCS12       : s = "PKCS12"; break;
      59             :     }
      60           0 :   return s;
      61             : }
      62             : 
      63             : 
      64             : static int
      65           0 : show_usage (int ex)
      66             : {
      67           0 :   fputs ("usage: " PGM " [options] FILENAMEs\n\n"
      68             :          "Options:\n"
      69             :          "  --verbose        run in verbose mode\n"
      70             :          , stderr);
      71           0 :   exit (ex);
      72             : }
      73             : 
      74             : int
      75           0 : main (int argc, char **argv)
      76             : {
      77           0 :   int last_argc = -1;
      78             :   gpgme_error_t err;
      79           0 :   int anyerr = 0;
      80             :   gpgme_data_t data;
      81             :   gpgme_data_type_t dt;
      82             : 
      83           0 :   if (argc)
      84           0 :     { argc--; argv++; }
      85           0 :   while (argc && last_argc != argc )
      86             :     {
      87           0 :       last_argc = argc;
      88           0 :       if (!strcmp (*argv, "--"))
      89             :         {
      90           0 :           argc--; argv++;
      91           0 :           break;
      92             :         }
      93           0 :       else if (!strcmp (*argv, "--help"))
      94           0 :         show_usage (0);
      95           0 :       else if (!strcmp (*argv, "--verbose"))
      96             :         {
      97           0 :           verbose = 1;
      98           0 :           argc--; argv++;
      99             :         }
     100           0 :       else if (!strncmp (*argv, "--", 2))
     101           0 :         show_usage (1);
     102             : 
     103             :     }
     104             : 
     105           0 :   init_gpgme (GPGME_PROTOCOL_OpenPGP);
     106             : 
     107           0 :   for (; argc; argc--, argv++)
     108             :     {
     109           0 :       if (verbose)
     110           0 :         printf ("reading file `%s'\n", *argv);
     111           0 :       err = gpgme_data_new_from_file (&data, *argv, 1);
     112           0 :       if (err)
     113             :         {
     114           0 :           fprintf (stderr, PGM ": error reading '%s': %s\n",
     115             :                    *argv, gpg_strerror (err));
     116           0 :           anyerr = 1;
     117             :         }
     118             :       else
     119             :         {
     120           0 :           dt = gpgme_data_identify (data, 0);
     121           0 :           if (dt == GPGME_DATA_TYPE_INVALID)
     122           0 :             anyerr = 1;
     123           0 :           printf ("%s: %s\n", *argv, data_type_to_string (dt));
     124           0 :           gpgme_data_release (data);
     125             :         }
     126             :     }
     127             : 
     128           0 :   return anyerr;
     129             : }