LCOV - code coverage report
Current view: top level - tests - run-encrypt.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 134 0.0 %
Date: 2016-09-12 12:35:26 Functions: 0 5 0.0 %

          Line data    Source code
       1             : /* run-encrypt.c  - Helper to perform an encrypt operation
       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 <http://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-encrypt"
      33             : 
      34             : #include "run-support.h"
      35             : 
      36             : 
      37             : static int verbose;
      38             : 
      39             : 
      40             : static gpg_error_t
      41           0 : status_cb (void *opaque, const char *keyword, const char *value)
      42             : {
      43             :   (void)opaque;
      44           0 :   fprintf (stderr, "status_cb: %s %s\n", nonnull(keyword), nonnull(value));
      45           0 :   return 0;
      46             : }
      47             : 
      48             : 
      49             : static void
      50           0 : progress_cb (void *opaque, const char *what, int type, int current, int total)
      51             : {
      52             :   (void)opaque;
      53             :   (void)type;
      54             : 
      55           0 :   if (total)
      56           0 :     fprintf (stderr, "progress for '%s' %u%% (%d of %d)\n",
      57             :              nonnull (what),
      58           0 :              (unsigned)(((double)current / total) * 100), current, total);
      59             :   else
      60           0 :     fprintf (stderr, "progress for '%s' %d\n", nonnull(what), current);
      61           0 :   fflush (stderr);
      62           0 : }
      63             : 
      64             : 
      65             : static void
      66           0 : print_result (gpgme_encrypt_result_t result)
      67             : {
      68             :   gpgme_invalid_key_t invkey;
      69             : 
      70           0 :   for (invkey = result->invalid_recipients; invkey; invkey = invkey->next)
      71           0 :     printf ("Encryption key `%s' not used: %s <%s>\n",
      72           0 :             nonnull (invkey->fpr),
      73             :             gpg_strerror (invkey->reason), gpg_strsource (invkey->reason));
      74           0 : }
      75             : 
      76             : 
      77             : 
      78             : static int
      79           0 : show_usage (int ex)
      80             : {
      81           0 :   fputs ("usage: " PGM " [options] FILE\n\n"
      82             :          "Options:\n"
      83             :          "  --verbose        run in verbose mode\n"
      84             :          "  --status         print status lines from the backend\n"
      85             :          "  --progress       print progress info\n"
      86             :          "  --openpgp        use the OpenPGP protocol (default)\n"
      87             :          "  --cms            use the CMS protocol\n"
      88             :          "  --uiserver       use the UI server\n"
      89             :          "  --loopback       use a loopback pinentry\n"
      90             :          "  --key NAME       encrypt to key NAME\n"
      91             :          "  --symmetric      encrypt symmetric (OpenPGP only)\n"
      92             :          , stderr);
      93           0 :   exit (ex);
      94             : }
      95             : 
      96             : 
      97             : int
      98           0 : main (int argc, char **argv)
      99             : {
     100           0 :   int last_argc = -1;
     101             :   gpgme_error_t err;
     102             :   gpgme_ctx_t ctx;
     103           0 :   const char *key_string = NULL;
     104           0 :   gpgme_protocol_t protocol = GPGME_PROTOCOL_OpenPGP;
     105             :   gpgme_data_t in, out;
     106             :   gpgme_encrypt_result_t result;
     107           0 :   int print_status = 0;
     108           0 :   int print_progress = 0;
     109           0 :   int use_loopback = 0;
     110             :   char *keyargs[10];
     111             :   gpgme_key_t keys[10+1];
     112           0 :   int keycount = 0;
     113             :   int i;
     114           0 :   gpgme_encrypt_flags_t flags = GPGME_ENCRYPT_ALWAYS_TRUST;
     115             :   gpgme_off_t offset;
     116             : 
     117           0 :   if (argc)
     118           0 :     { argc--; argv++; }
     119             : 
     120             :   if (DIM(keys) != DIM(keyargs)+1)
     121             :     abort ();
     122             : 
     123           0 :   while (argc && last_argc != argc )
     124             :     {
     125           0 :       last_argc = argc;
     126           0 :       if (!strcmp (*argv, "--"))
     127             :         {
     128           0 :           argc--; argv++;
     129           0 :           break;
     130             :         }
     131           0 :       else if (!strcmp (*argv, "--help"))
     132           0 :         show_usage (0);
     133           0 :       else if (!strcmp (*argv, "--verbose"))
     134             :         {
     135           0 :           verbose = 1;
     136           0 :           argc--; argv++;
     137             :         }
     138           0 :       else if (!strcmp (*argv, "--status"))
     139             :         {
     140           0 :           print_status = 1;
     141           0 :           argc--; argv++;
     142             :         }
     143           0 :       else if (!strcmp (*argv, "--progress"))
     144             :         {
     145           0 :           print_progress = 1;
     146           0 :           argc--; argv++;
     147             :         }
     148           0 :       else if (!strcmp (*argv, "--openpgp"))
     149             :         {
     150           0 :           protocol = GPGME_PROTOCOL_OpenPGP;
     151           0 :           argc--; argv++;
     152             :         }
     153           0 :       else if (!strcmp (*argv, "--cms"))
     154             :         {
     155           0 :           protocol = GPGME_PROTOCOL_CMS;
     156           0 :           argc--; argv++;
     157             :         }
     158           0 :       else if (!strcmp (*argv, "--uiserver"))
     159             :         {
     160           0 :           protocol = GPGME_PROTOCOL_UISERVER;
     161           0 :           argc--; argv++;
     162             :         }
     163           0 :       else if (!strcmp (*argv, "--key"))
     164             :         {
     165           0 :           argc--; argv++;
     166           0 :           if (!argc)
     167           0 :             show_usage (1);
     168           0 :           if (keycount == DIM (keyargs))
     169           0 :             show_usage (1);
     170           0 :           keyargs[keycount++] = *argv;
     171           0 :           argc--; argv++;
     172             :         }
     173           0 :       else if (!strcmp (*argv, "--loopback"))
     174             :         {
     175           0 :           use_loopback = 1;
     176           0 :           argc--; argv++;
     177             :         }
     178           0 :       else if (!strcmp (*argv, "--symmetric"))
     179             :         {
     180           0 :           flags |= GPGME_ENCRYPT_SYMMETRIC;
     181           0 :           argc--; argv++;
     182             :         }
     183           0 :       else if (!strncmp (*argv, "--", 2))
     184           0 :         show_usage (1);
     185             : 
     186             :     }
     187             : 
     188           0 :   if (argc != 1)
     189           0 :     show_usage (1);
     190             : 
     191           0 :   if (key_string && protocol == GPGME_PROTOCOL_UISERVER)
     192             :     {
     193           0 :       fprintf (stderr, PGM ": ignoring --key in UI-server mode\n");
     194           0 :       key_string = NULL;
     195             :     }
     196             : 
     197           0 :   if (!key_string)
     198           0 :     key_string = "test";
     199             : 
     200           0 :   init_gpgme (protocol);
     201             : 
     202           0 :   err = gpgme_new (&ctx);
     203           0 :   fail_if_err (err);
     204           0 :   gpgme_set_protocol (ctx, protocol);
     205           0 :   gpgme_set_armor (ctx, 1);
     206           0 :   if (print_status)
     207             :     {
     208           0 :       gpgme_set_status_cb (ctx, status_cb, NULL);
     209           0 :       gpgme_set_ctx_flag (ctx, "full-status", "1");
     210             :     }
     211           0 :   if (print_progress)
     212           0 :     gpgme_set_progress_cb (ctx, progress_cb, NULL);
     213           0 :   if (use_loopback)
     214             :     {
     215           0 :       gpgme_set_pinentry_mode (ctx, GPGME_PINENTRY_MODE_LOOPBACK);
     216           0 :       gpgme_set_passphrase_cb (ctx, passphrase_cb, NULL);
     217             :     }
     218             : 
     219           0 :   for (i=0; i < keycount; i++)
     220             :     {
     221           0 :       err = gpgme_get_key (ctx, keyargs[i], &keys[i], 0);
     222           0 :       fail_if_err (err);
     223             :     }
     224           0 :   keys[i] = NULL;
     225             : 
     226           0 :   err = gpgme_data_new_from_file (&in, *argv, 1);
     227           0 :   if (err)
     228             :     {
     229           0 :       fprintf (stderr, PGM ": error reading `%s': %s\n",
     230             :                *argv, gpg_strerror (err));
     231           0 :       exit (1);
     232             :     }
     233           0 :   offset = gpgme_data_seek (in, 0, SEEK_END);
     234           0 :   if (offset == (gpgme_off_t)(-1))
     235             :     {
     236           0 :       err = gpg_error_from_syserror ();
     237           0 :       fprintf (stderr, PGM ": error seeking `%s': %s\n",
     238             :                *argv, gpg_strerror (err));
     239           0 :       exit (1);
     240             :     }
     241           0 :   if (gpgme_data_seek (in, 0, SEEK_SET) == (gpgme_off_t)(-1))
     242             :     {
     243           0 :       err = gpg_error_from_syserror ();
     244           0 :       fprintf (stderr, PGM ": error seeking `%s': %s\n",
     245             :                *argv, gpg_strerror (err));
     246           0 :       exit (1);
     247             :     }
     248             :   {
     249             :     char numbuf[50];
     250             :     char *p;
     251             : 
     252           0 :     p = numbuf + sizeof numbuf;
     253           0 :     *--p = 0;
     254             :     do
     255             :       {
     256           0 :         *--p = '0' + (offset % 10);
     257           0 :         offset /= 10;
     258             :       }
     259           0 :     while (offset);
     260           0 :     err = gpgme_data_set_flag (in, "size-hint", p);
     261           0 :     if (err)
     262             :       {
     263           0 :         fprintf (stderr, PGM ": error setting size-hint for `%s': %s\n",
     264             :                  *argv, gpg_strerror (err));
     265           0 :         exit (1);
     266             :       }
     267             :   }
     268             : 
     269           0 :   err = gpgme_data_new (&out);
     270           0 :   fail_if_err (err);
     271             : 
     272           0 :   err = gpgme_op_encrypt (ctx, keycount ? keys : NULL, flags, in, out);
     273           0 :   result = gpgme_op_encrypt_result (ctx);
     274           0 :   if (result)
     275           0 :     print_result (result);
     276           0 :   if (err)
     277             :     {
     278           0 :       fprintf (stderr, PGM ": encrypting failed: %s\n", gpg_strerror (err));
     279           0 :       exit (1);
     280             :     }
     281             : 
     282           0 :   fputs ("Begin Output:\n", stdout);
     283           0 :   print_data (out);
     284           0 :   fputs ("End Output.\n", stdout);
     285           0 :   gpgme_data_release (out);
     286             : 
     287           0 :   gpgme_data_release (in);
     288             : 
     289           0 :   for (i=0; i < keycount; i++)
     290           0 :     gpgme_key_unref (keys[i]);
     291           0 :   gpgme_release (ctx);
     292           0 :   return 0;
     293             : }

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