LCOV - code coverage report
Current view: top level - tests/gpg - t-verify.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 72 94 76.6 %
Date: 2016-09-12 13:07:23 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /* t-verify.c - Regression test.
       2             :    Copyright (C) 2000 Werner Koch (dd9jn)
       3             :    Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
       4             : 
       5             :    This file is part of GPGME.
       6             :  
       7             :    GPGME is free software; you can redistribute it and/or modify it
       8             :    under the terms of the GNU Lesser General Public License as
       9             :    published by the Free Software Foundation; either version 2.1 of
      10             :    the License, or (at your option) any later version.
      11             :    
      12             :    GPGME is distributed in the hope that it will be useful, but
      13             :    WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15             :    Lesser General Public License for more details.
      16             :    
      17             :    You should have received a copy of the GNU Lesser General Public
      18             :    License along with this program; if not, write to the Free Software
      19             :    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
      20             :    02111-1307, USA.  */
      21             : 
      22             : /* We need to include config.h so that we know whether we are building
      23             :    with large file system (LFS) support. */
      24             : #ifdef HAVE_CONFIG_H
      25             : #include <config.h>
      26             : #endif
      27             : 
      28             : #include <stdlib.h>
      29             : #include <stdio.h>
      30             : #include <string.h>
      31             : 
      32             : #include <gpgme.h>
      33             : 
      34             : #include "t-support.h"
      35             : 
      36             : 
      37             : static const char test_text1[] = "Just GNU it!\n";
      38             : static const char test_text1f[]= "Just GNU it?\n";
      39             : static const char test_sig1[] =
      40             : #if 0
      41             : "-----BEGIN PGP SIGNATURE-----\n"
      42             : "\n"
      43             : "iEYEABECAAYFAjoKgjIACgkQLXJ8x2hpdzQMSwCeO/xUrhysZ7zJKPf/FyXA//u1\n"
      44             : "ZgIAn0204PBR7yxSdQx6CFxugstNqmRv\n"
      45             : "=yku6\n"
      46             : "-----END PGP SIGNATURE-----\n"
      47             : #elif 0
      48             : "-----BEGIN PGP SIGNATURE-----\n"
      49             : "Version: GnuPG v1.0.4-2 (GNU/Linux)\n"
      50             : "Comment: For info see http://www.gnupg.org\n"
      51             : "\n"
      52             : "iJcEABECAFcFAjoS8/E1FIAAAAAACAAkZm9vYmFyLjF0aGlzIGlzIGEgbm90YXRp\n"
      53             : "b24gZGF0YSB3aXRoIDIgbGluZXMaGmh0dHA6Ly93d3cuZ3Uub3JnL3BvbGljeS8A\n"
      54             : "CgkQLXJ8x2hpdzQLyQCbBW/fgU8ZeWSlWPM1F8umHX17bAAAoIfSNDSp5zM85XcG\n"
      55             : "iwxMrf+u8v4r\n"
      56             : "=88Zo\n"
      57             : "-----END PGP SIGNATURE-----\n"
      58             : #elif 1
      59             : "-----BEGIN PGP SIGNATURE-----\n"
      60             : "\n"
      61             : "iN0EABECAJ0FAjoS+i9FFIAAAAAAAwA5YmFyw7bDpMO8w58gZGFzIHdhcmVuIFVt\n"
      62             : "bGF1dGUgdW5kIGpldHp0IGVpbiBwcm96ZW50JS1aZWljaGVuNRSAAAAAAAgAJGZv\n"
      63             : "b2Jhci4xdGhpcyBpcyBhIG5vdGF0aW9uIGRhdGEgd2l0aCAyIGxpbmVzGhpodHRw\n"
      64             : "Oi8vd3d3Lmd1Lm9yZy9wb2xpY3kvAAoJEC1yfMdoaXc0JBIAoIiLlUsvpMDOyGEc\n"
      65             : "dADGKXF/Hcb+AKCJWPphZCphduxSvrzH0hgzHdeQaA==\n"
      66             : "=nts1\n"
      67             : "-----END PGP SIGNATURE-----\n"
      68             : #endif
      69             : ;
      70             : static const char test_sig2[] =
      71             : "-----BEGIN PGP MESSAGE-----\n"
      72             : "\n"
      73             : "owGbwMvMwCSoW1RzPCOz3IRxjXQSR0lqcYleSUWJTZOvjVdpcYmCu1+oQmaJIleH\n"
      74             : "GwuDIBMDGysTSIqBi1MApi+nlGGuwDeHao53HBr+FoVGP3xX+kvuu9fCMJvl6IOf\n"
      75             : "y1kvP4y+8D5a11ang0udywsA\n"
      76             : "=Crq6\n"
      77             : "-----END PGP MESSAGE-----\n";
      78             : 
      79             : /* A message with a prepended but unsigned plaintext packet. */
      80             : static const char double_plaintext_sig[] = 
      81             : "-----BEGIN PGP MESSAGE-----\n"
      82             : "\n"
      83             : "rDRiCmZvb2Jhci50eHRF4pxNVGhpcyBpcyBteSBzbmVha3kgcGxhaW50ZXh0IG1l\n"
      84             : "c3NhZ2UKowGbwMvMwCSoW1RzPCOz3IRxTWISa6JebnG666MFD1wzSzJSixQ81XMV\n"
      85             : "UlITUxTyixRyKxXKE0uSMxQyEosVikvyCwpSU/S4FNCArq6Ce1F+aXJGvoJvYlGF\n"
      86             : "erFCTmJxiUJ5flFKMVeHGwuDIBMDGysTyA4GLk4BmO036xgWzMgzt9V85jCtfDFn\n"
      87             : "UqVooWlGXHwNw/xg/fVzt9VNbtjtJ/fhUqYo0/LyCGEA\n"
      88             : "=6+AK\n"
      89             : "-----END PGP MESSAGE-----\n";
      90             : 
      91             : 
      92             : 
      93             : 
      94             : static void
      95           3 : check_result (gpgme_verify_result_t result, unsigned int summary, char *fpr,
      96             :               gpgme_error_t status, int notation)
      97             : {
      98             :   gpgme_signature_t sig;
      99             : 
     100           3 :   sig = result->signatures;
     101           3 :   if (!sig || sig->next)
     102             :     {
     103           0 :       fprintf (stderr, "%s:%i: Unexpected number of signatures\n",
     104             :                __FILE__, __LINE__);
     105           0 :       exit (1);
     106             :     }
     107           3 :   if (sig->summary != summary)
     108             :     {
     109           0 :       fprintf (stderr, "%s:%i: Unexpected signature summary: "
     110             :                "want=0x%x have=0x%x\n",
     111           0 :                __FILE__, __LINE__, summary, sig->summary);
     112           0 :       exit (1);
     113             :     }
     114           3 :   if (strcmp (sig->fpr, fpr))
     115             :     {
     116           0 :       fprintf (stderr, "%s:%i: Unexpected fingerprint: %s\n",
     117             :                __FILE__, __LINE__, sig->fpr);
     118           0 :       exit (1);
     119             :     }
     120           3 :   if (gpgme_err_code (sig->status) != status)
     121             :     {
     122           0 :       fprintf (stderr, "%s:%i: Unexpected signature status: %s\n",
     123             :                __FILE__, __LINE__, gpgme_strerror (sig->status));
     124           0 :       exit (1);
     125             :     }
     126           3 :   if (notation)
     127             :     {
     128             :       static struct {
     129             :         const char *name;
     130             :         const char *value;
     131             :         int seen;
     132             :       } expected_notations[] = {
     133             :         { "bar",
     134             :           "\xc3\xb6\xc3\xa4\xc3\xbc\xc3\x9f"
     135             :           " das waren Umlaute und jetzt ein prozent%-Zeichen" },
     136             :         { "foobar.1",
     137             :           "this is a notation data with 2 lines" },
     138             :         { NULL, 
     139             :           "http://www.gu.org/policy/" }
     140             :       };
     141             :       int i;
     142             :       gpgme_sig_notation_t r;
     143             : 
     144           4 :       for (i=0; i < DIM(expected_notations); i++ )
     145           3 :         expected_notations[i].seen = 0;
     146             : 
     147           4 :       for (r = sig->notations; r; r = r->next)
     148             :         {
     149           3 :           int any = 0;
     150          12 :           for (i=0; i < DIM(expected_notations); i++)
     151             :             {
     152           9 :               if ( ((r->name && expected_notations[i].name
     153           4 :                      && !strcmp (r->name, expected_notations[i].name)
     154           4 :                      && r->name_len
     155           2 :                      == strlen (expected_notations[i].name))
     156           7 :                     || (!r->name && !expected_notations[i].name
     157           1 :                         && r->name_len == 0))
     158           3 :                    && r->value
     159           3 :                    && !strcmp (r->value, expected_notations[i].value)
     160           3 :                    && r->value_len == strlen (expected_notations[i].value))
     161             :                 {
     162           3 :                   expected_notations[i].seen++;
     163           3 :                   any++;
     164             :                 }
     165             :             }
     166           3 :           if (!any)
     167             :             {
     168           0 :               fprintf (stderr, "%s:%i: Unexpected notation data\n",
     169             :                        __FILE__, __LINE__);
     170           0 :               exit (1);
     171             :             }
     172             :         }
     173           4 :       for (i=0; i < DIM(expected_notations); i++ )
     174             :         {
     175           3 :           if (expected_notations[i].seen != 1)
     176             :             {
     177           0 :               fprintf (stderr, "%s:%i: Missing or duplicate notation data\n",
     178             :                        __FILE__, __LINE__);
     179           0 :               exit (1);
     180             :             }
     181             :         }
     182             :     }
     183           3 :   if (sig->wrong_key_usage)
     184             :     {
     185           0 :       fprintf (stderr, "%s:%i: Unexpectedly wrong key usage\n",
     186             :                __FILE__, __LINE__);
     187           0 :       exit (1);
     188             :     }
     189           3 :   if (sig->validity != GPGME_VALIDITY_UNKNOWN)
     190             :     {
     191           0 :       fprintf (stderr, "%s:%i: Unexpected validity: %i\n",
     192           0 :                __FILE__, __LINE__, sig->validity);
     193           0 :       exit (1);
     194             :     }
     195           3 :   if (gpgme_err_code (sig->validity_reason) != GPG_ERR_NO_ERROR)
     196             :     {
     197           0 :       fprintf (stderr, "%s:%i: Unexpected validity reason: %s\n",
     198             :                __FILE__, __LINE__, gpgme_strerror (sig->validity_reason));
     199           0 :       exit (1);
     200             :     }
     201           3 : }
     202             : 
     203             : 
     204             : int 
     205           1 : main (int argc, char *argv[])
     206             : {
     207             :   gpgme_ctx_t ctx;
     208             :   gpgme_error_t err;
     209             :   gpgme_data_t sig, text;
     210             :   gpgme_verify_result_t result;
     211             : 
     212           1 :   init_gpgme (GPGME_PROTOCOL_OpenPGP);
     213             : 
     214           1 :   err = gpgme_new (&ctx);
     215           1 :   fail_if_err (err);
     216             : 
     217             :   /* Checking a valid message.  */
     218           1 :   err = gpgme_data_new_from_mem (&text, test_text1, strlen (test_text1), 0);
     219           1 :   fail_if_err (err);
     220           1 :   err = gpgme_data_new_from_mem (&sig, test_sig1, strlen (test_sig1), 0);
     221           1 :   fail_if_err (err);
     222           1 :   err = gpgme_op_verify (ctx, sig, text, NULL);
     223           1 :   fail_if_err (err);
     224           1 :   result = gpgme_op_verify_result (ctx);
     225           1 :   check_result (result, 0, "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     226             :                 GPG_ERR_NO_ERROR, 1);
     227             : 
     228             :   /* Checking a manipulated message.  */
     229           1 :   gpgme_data_release (text);
     230           1 :   err = gpgme_data_new_from_mem (&text, test_text1f, strlen (test_text1f), 0);
     231           1 :   fail_if_err (err);
     232           1 :   gpgme_data_seek (sig, 0, SEEK_SET);
     233           1 :   err = gpgme_op_verify (ctx, sig, text, NULL);
     234           1 :   fail_if_err (err);
     235           1 :   result = gpgme_op_verify_result (ctx);
     236           1 :   check_result (result, GPGME_SIGSUM_RED, "2D727CC768697734",
     237             :                 GPG_ERR_BAD_SIGNATURE, 0);
     238             : 
     239             :   /* Checking a normal signature.  */
     240           1 :   gpgme_data_release (sig);
     241           1 :   gpgme_data_release (text);
     242           1 :   err = gpgme_data_new_from_mem (&sig, test_sig2, strlen (test_sig2), 0);
     243           1 :   fail_if_err (err);
     244           1 :   err = gpgme_data_new (&text);
     245           1 :   fail_if_err (err);
     246           1 :   err = gpgme_op_verify (ctx, sig, NULL, text);
     247           1 :   fail_if_err (err);
     248           1 :   result = gpgme_op_verify_result (ctx);
     249           1 :   check_result (result, 0, "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     250             :                 GPG_ERR_NO_ERROR, 0);
     251             : 
     252             : 
     253             :   /* Checking an invalid message.  */
     254           1 :   gpgme_data_release (sig);
     255           1 :   gpgme_data_release (text);
     256           1 :   err = gpgme_data_new_from_mem (&sig, double_plaintext_sig,
     257             :                                  strlen (double_plaintext_sig), 0);
     258           1 :   fail_if_err (err);
     259           1 :   err = gpgme_data_new (&text);
     260           1 :   fail_if_err (err);
     261           1 :   err = gpgme_op_verify (ctx, sig, NULL, text);
     262           1 :   if (gpgme_err_code (err) != GPG_ERR_BAD_DATA)
     263             :     {
     264           0 :       fprintf (stderr, "%s:%i: Double plaintext message not detected\n",
     265             :                __FILE__, __LINE__);
     266           0 :       exit (1);
     267             :     }
     268             : 
     269           1 :   gpgme_data_release (sig);
     270           1 :   gpgme_data_release (text);
     271           1 :   gpgme_release (ctx);
     272           1 :   return 0;
     273             : }

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