LCOV - code coverage report
Current view: top level - tests/gpg - t-verify.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 103 139 74.1 %
Date: 2018-11-14 16:53:58 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             : #define PGM "t-verify"
      35             : #include "t-support.h"
      36             : 
      37             : 
      38             : 
      39             : static const char test_text1[] = "Just GNU it!\n";
      40             : static const char test_text1f[]= "Just GNU it?\n";
      41             : static const char test_sig1[] =
      42             : "-----BEGIN PGP SIGNATURE-----\n"
      43             : "\n"
      44             : "iN0EABECAJ0FAjoS+i9FFIAAAAAAAwA5YmFyw7bDpMO8w58gZGFzIHdhcmVuIFVt\n"
      45             : "bGF1dGUgdW5kIGpldHp0IGVpbiBwcm96ZW50JS1aZWljaGVuNRSAAAAAAAgAJGZv\n"
      46             : "b2Jhci4xdGhpcyBpcyBhIG5vdGF0aW9uIGRhdGEgd2l0aCAyIGxpbmVzGhpodHRw\n"
      47             : "Oi8vd3d3Lmd1Lm9yZy9wb2xpY3kvAAoJEC1yfMdoaXc0JBIAoIiLlUsvpMDOyGEc\n"
      48             : "dADGKXF/Hcb+AKCJWPphZCphduxSvrzH0hgzHdeQaA==\n"
      49             : "=nts1\n"
      50             : "-----END PGP SIGNATURE-----\n";
      51             : 
      52             : /* The same as test_sig1 but with a second signature for which we do
      53             :  * not have the public key (deleted after signature creation).  */
      54             : static const char test_sig1_plus_unknown_key[] =
      55             : "-----BEGIN PGP SIGNATURE-----\n"
      56             : "\n"
      57             : "iN0EABECAJ0FAjoS+i9FFIAAAAAAAwA5YmFyw7bDpMO8w58gZGFzIHdhcmVuIFVt\n"
      58             : "bGF1dGUgdW5kIGpldHp0IGVpbiBwcm96ZW50JS1aZWljaGVuNRSAAAAAAAgAJGZv\n"
      59             : "b2Jhci4xdGhpcyBpcyBhIG5vdGF0aW9uIGRhdGEgd2l0aCAyIGxpbmVzGhpodHRw\n"
      60             : "Oi8vd3d3Lmd1Lm9yZy9wb2xpY3kvAAoJEC1yfMdoaXc0JBIAoIiLlUsvpMDOyGEc\n"
      61             : "dADGKXF/Hcb+AKCJWPphZCphduxSvrzH0hgzHdeQaIh1BAAWCAAdFiEENuwqcMZC\n"
      62             : "brD85btN+RyY8EnUIEwFAlrPR4cACgkQ+RyY8EnUIEyiuAEAm41LJTGUFDzhavRm\n"
      63             : "jNwqUZxGGOySduW+u/X1lEfV+MYA/2lJOo75rHtD1EG+tkFVWt4Ukj0rjhR132vZ\n"
      64             : "IOtrYAcG\n"
      65             : "=yYwZ\n"
      66             : "-----END PGP SIGNATURE-----\n";
      67             : 
      68             : static const char test_sig2[] =
      69             : "-----BEGIN PGP MESSAGE-----\n"
      70             : "\n"
      71             : "owGbwMvMwCSoW1RzPCOz3IRxjXQSR0lqcYleSUWJTZOvjVdpcYmCu1+oQmaJIleH\n"
      72             : "GwuDIBMDGysTSIqBi1MApi+nlGGuwDeHao53HBr+FoVGP3xX+kvuu9fCMJvl6IOf\n"
      73             : "y1kvP4y+8D5a11ang0udywsA\n"
      74             : "=Crq6\n"
      75             : "-----END PGP MESSAGE-----\n";
      76             : 
      77             : /* A message with a prepended but unsigned plaintext packet. */
      78             : static const char double_plaintext_sig[] =
      79             : "-----BEGIN PGP MESSAGE-----\n"
      80             : "\n"
      81             : "rDRiCmZvb2Jhci50eHRF4pxNVGhpcyBpcyBteSBzbmVha3kgcGxhaW50ZXh0IG1l\n"
      82             : "c3NhZ2UKowGbwMvMwCSoW1RzPCOz3IRxTWISa6JebnG666MFD1wzSzJSixQ81XMV\n"
      83             : "UlITUxTyixRyKxXKE0uSMxQyEosVikvyCwpSU/S4FNCArq6Ce1F+aXJGvoJvYlGF\n"
      84             : "erFCTmJxiUJ5flFKMVeHGwuDIBMDGysTyA4GLk4BmO036xgWzMgzt9V85jCtfDFn\n"
      85             : "UqVooWlGXHwNw/xg/fVzt9VNbtjtJ/fhUqYo0/LyCGEA\n"
      86             : "=6+AK\n"
      87             : "-----END PGP MESSAGE-----\n";
      88             : 
      89             : 
      90             : 
      91             : 
      92             : /* NO_OF_SIGS is the expected number of signatures.  SKIP_SKIPS is
      93             :  * which of these signatures to check (0 based).  */
      94             : static void
      95           5 : check_result (gpgme_verify_result_t result, int no_of_sigs, int skip_sigs,
      96             :               unsigned int summary, const char *fpr,
      97             :               gpgme_error_t status, int notation)
      98             : {
      99             :   gpgme_signature_t sig;
     100             :   int n;
     101             : 
     102           5 :   sig = result->signatures;
     103          12 :   for (n=0; sig; sig = sig->next)
     104           7 :     n++;
     105           5 :   if (n != no_of_sigs)
     106             :     {
     107           0 :       fprintf (stderr, "%s:%i: Unexpected number of signatures"
     108             :                " (got %d expected  %d)\n", PGM, __LINE__, n, no_of_sigs);
     109           0 :       exit (1);
     110             :     }
     111           5 :   if (skip_sigs >= n)
     112             :     {
     113           0 :       fprintf (stderr, "%s:%i: oops SKIPP_SIGS to high\n", PGM, __LINE__);
     114           0 :       exit (1);
     115             :     }
     116             : 
     117           5 :   for (n=0, sig = result->signatures; n < skip_sigs; sig = sig->next, n++)
     118             :     ;
     119             : 
     120           5 :   if (sig->summary != summary)
     121             :     {
     122           0 :       fprintf (stderr, "%s:%i:sig-%d: Unexpected signature summary: "
     123             :                "want=0x%x have=0x%x\n",
     124           0 :                PGM, __LINE__, skip_sigs, summary, sig->summary);
     125           0 :       exit (1);
     126             :     }
     127           5 :   if (strcmp (sig->fpr, fpr))
     128             :     {
     129           0 :       if (strlen (sig->fpr) == 16 && strlen (fpr) == 40
     130           0 :           && !strncmp (sig->fpr, fpr + 24, 16))
     131             :         ; /* okay because gnupg < 2.2.6 only shows the keyid.  */
     132             :       else
     133             :         {
     134           0 :           fprintf (stderr, "%s:%i:sig-%d: Unexpected fingerprint: %s\n",
     135             :                    PGM, __LINE__, skip_sigs, sig->fpr);
     136           0 :           exit (1);
     137             :         }
     138             :     }
     139           5 :   if (gpgme_err_code (sig->status) != status)
     140             :     {
     141           0 :       fprintf (stderr, "%s:%i:sig-%d: Unexpected signature status: %s\n",
     142             :                PGM, __LINE__, skip_sigs, gpgme_strerror (sig->status));
     143           0 :       exit (1);
     144             :     }
     145           5 :   if (notation)
     146             :     {
     147             :       static struct {
     148             :         const char *name;
     149             :         const char *value;
     150             :         int seen;
     151             :       } expected_notations[] = {
     152             :         { "bar",
     153             :           "\xc3\xb6\xc3\xa4\xc3\xbc\xc3\x9f"
     154             :           " das waren Umlaute und jetzt ein prozent%-Zeichen" },
     155             :         { "foobar.1",
     156             :           "this is a notation data with 2 lines" },
     157             :         { NULL,
     158             :           "http://www.gu.org/policy/" }
     159             :       };
     160             :       int i;
     161             :       gpgme_sig_notation_t r;
     162             : 
     163           8 :       for (i=0; i < DIM(expected_notations); i++ )
     164           6 :         expected_notations[i].seen = 0;
     165             : 
     166           8 :       for (r = sig->notations; r; r = r->next)
     167             :         {
     168           6 :           int any = 0;
     169          24 :           for (i=0; i < DIM(expected_notations); i++)
     170             :             {
     171          18 :               if ( ((r->name && expected_notations[i].name
     172           8 :                      && !strcmp (r->name, expected_notations[i].name)
     173           8 :                      && r->name_len
     174           4 :                      == strlen (expected_notations[i].name))
     175          14 :                     || (!r->name && !expected_notations[i].name
     176           2 :                         && r->name_len == 0))
     177           6 :                    && r->value
     178           6 :                    && !strcmp (r->value, expected_notations[i].value)
     179           6 :                    && r->value_len == strlen (expected_notations[i].value))
     180             :                 {
     181           6 :                   expected_notations[i].seen++;
     182           6 :                   any++;
     183             :                 }
     184             :             }
     185           6 :           if (!any)
     186             :             {
     187           0 :               fprintf (stderr, "%s:%i:sig-%d: Unexpected notation data\n",
     188             :                        PGM, __LINE__, skip_sigs);
     189           0 :               exit (1);
     190             :             }
     191             :         }
     192           8 :       for (i=0; i < DIM(expected_notations); i++ )
     193             :         {
     194           6 :           if (expected_notations[i].seen != 1)
     195             :             {
     196           0 :               fprintf (stderr, "%s:%i:sig-%d: "
     197             :                        "Missing or duplicate notation data\n",
     198             :                        PGM, __LINE__, skip_sigs);
     199           0 :               exit (1);
     200             :             }
     201             :         }
     202             :     }
     203           5 :   if (sig->wrong_key_usage)
     204             :     {
     205           0 :       fprintf (stderr, "%s:%i:sig-%d: Unexpectedly wrong key usage\n",
     206             :                PGM, __LINE__, skip_sigs);
     207           0 :       exit (1);
     208             :     }
     209           5 :   if (sig->validity != GPGME_VALIDITY_UNKNOWN)
     210             :     {
     211           0 :       fprintf (stderr, "%s:%i:sig-%d: Unexpected validity: %i\n",
     212           0 :                PGM, __LINE__, skip_sigs, sig->validity);
     213           0 :       exit (1);
     214             :     }
     215           5 :   if (gpgme_err_code (sig->validity_reason) != GPG_ERR_NO_ERROR)
     216             :     {
     217           0 :       fprintf (stderr, "%s:%i:sig-%d: Unexpected validity reason: %s\n",
     218             :                PGM, __LINE__, skip_sigs,
     219             :                gpgme_strerror (sig->validity_reason));
     220           0 :       exit (1);
     221             :     }
     222           5 : }
     223             : 
     224             : 
     225             : int
     226           1 : main (int argc, char *argv[])
     227             : {
     228             :   gpgme_ctx_t ctx;
     229             :   gpgme_error_t err;
     230             :   gpgme_data_t sig, text;
     231             :   gpgme_verify_result_t result;
     232             :   const char *s;
     233             : 
     234             :   (void)argc;
     235             :   (void)argv;
     236             : 
     237           1 :   init_gpgme (GPGME_PROTOCOL_OpenPGP);
     238             : 
     239           1 :   err = gpgme_new (&ctx);
     240           1 :   fail_if_err (err);
     241             : 
     242             :   /* Checking a valid message.  */
     243           1 :   err = gpgme_data_new_from_mem (&text, test_text1, strlen (test_text1), 0);
     244           1 :   fail_if_err (err);
     245           1 :   err = gpgme_data_new_from_mem (&sig, test_sig1, strlen (test_sig1), 0);
     246           1 :   fail_if_err (err);
     247           1 :   err = gpgme_op_verify (ctx, sig, text, NULL);
     248           1 :   fail_if_err (err);
     249           1 :   result = gpgme_op_verify_result (ctx);
     250           1 :   check_result (result, 1, 0, 0, "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     251             :                 GPG_ERR_NO_ERROR, 1);
     252             : 
     253             :   /* Checking a manipulated message.  */
     254           1 :   gpgme_data_release (text);
     255           1 :   err = gpgme_data_new_from_mem (&text, test_text1f, strlen (test_text1f), 0);
     256           1 :   fail_if_err (err);
     257           1 :   gpgme_data_seek (sig, 0, SEEK_SET);
     258           1 :   err = gpgme_op_verify (ctx, sig, text, NULL);
     259           1 :   fail_if_err (err);
     260           1 :   result = gpgme_op_verify_result (ctx);
     261           1 :   check_result (result, 1, 0, GPGME_SIGSUM_RED, "2D727CC768697734",
     262             :                 GPG_ERR_BAD_SIGNATURE, 0);
     263             : 
     264             :   /* Checking a valid message.  Bu that one has a second signature
     265             :    * made by an unknown key.  */
     266           1 :   gpgme_data_release (text);
     267           1 :   gpgme_data_release (sig);
     268           1 :   err = gpgme_data_new_from_mem (&text, test_text1, strlen (test_text1), 0);
     269           1 :   fail_if_err (err);
     270           1 :   err = gpgme_data_new_from_mem (&sig, test_sig1_plus_unknown_key,
     271             :                                  strlen (test_sig1_plus_unknown_key), 0);
     272           1 :   fail_if_err (err);
     273           1 :   err = gpgme_op_verify (ctx, sig, text, NULL);
     274           1 :   fail_if_err (err);
     275           1 :   result = gpgme_op_verify_result (ctx);
     276           1 :   check_result (result, 2, 0, 0,
     277             :                 "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     278             :                 GPG_ERR_NO_ERROR, 1);
     279           1 :   check_result (result, 2, 1, GPGME_SIGSUM_KEY_MISSING,
     280             :                 "36EC2A70C6426EB0FCE5BB4DF91C98F049D4204C",
     281             :                 GPG_ERR_NO_PUBKEY, 0);
     282             : 
     283             : 
     284             :   /* Checking a normal signature.  */
     285           1 :   gpgme_data_release (sig);
     286           1 :   gpgme_data_release (text);
     287           1 :   err = gpgme_data_new_from_mem (&sig, test_sig2, strlen (test_sig2), 0);
     288           1 :   fail_if_err (err);
     289           1 :   err = gpgme_data_new (&text);
     290           1 :   fail_if_err (err);
     291           1 :   err = gpgme_op_verify (ctx, sig, NULL, text);
     292           1 :   fail_if_err (err);
     293           1 :   result = gpgme_op_verify_result (ctx);
     294           1 :   check_result (result, 1, 0, 0, "A0FF4590BB6122EDEF6E3C542D727CC768697734",
     295             :                 GPG_ERR_NO_ERROR, 0);
     296             : 
     297             : 
     298             :   /* Checking an invalid message.  */
     299           1 :   gpgme_data_release (sig);
     300           1 :   gpgme_data_release (text);
     301           1 :   err = gpgme_data_new_from_mem (&sig, double_plaintext_sig,
     302             :                                  strlen (double_plaintext_sig), 0);
     303           1 :   fail_if_err (err);
     304           1 :   err = gpgme_data_new (&text);
     305           1 :   fail_if_err (err);
     306           1 :   err = gpgme_op_verify (ctx, sig, NULL, text);
     307           1 :   if (gpgme_err_code (err) != GPG_ERR_BAD_DATA)
     308             :     {
     309           0 :       fprintf (stderr, "%s:%i: Double plaintext message not detected\n",
     310             :                PGM, __LINE__);
     311           0 :       exit (1);
     312             :     }
     313             : 
     314             :   /* Checking that set/get_sernder works.  */
     315           1 :   err = gpgme_set_sender (ctx, "foo@example.org");
     316           1 :   fail_if_err (err);
     317           1 :   s = gpgme_get_sender (ctx);
     318           1 :   if (!s || strcmp (s, "foo@example.org"))
     319             :     {
     320           0 :       fprintf (stderr, "%s:%i: gpgme_{set,get}_sender mismatch\n",
     321             :                PGM, __LINE__);
     322           0 :       exit (1);
     323             :     }
     324             : 
     325           1 :   err = gpgme_set_sender (ctx, "<bar@example.org>");
     326           1 :   fail_if_err (err);
     327           1 :   s = gpgme_get_sender (ctx);
     328           1 :   if (!s || strcmp (s, "bar@example.org"))
     329             :     {
     330           0 :       fprintf (stderr, "%s:%i: gpgme_{set,get}_sender mismatch\n",
     331             :                PGM, __LINE__);
     332           0 :       exit (1);
     333             :     }
     334             : 
     335           1 :   err = gpgme_set_sender (ctx, "Foo bar (comment) <foo@example.org>");
     336           1 :   fail_if_err (err);
     337           1 :   s = gpgme_get_sender (ctx);
     338           1 :   if (!s || strcmp (s, "foo@example.org"))
     339             :     {
     340           0 :       fprintf (stderr, "%s:%i: gpgme_{set,get}_sender mismatch\n",
     341             :                PGM, __LINE__);
     342           0 :       exit (1);
     343             :     }
     344             : 
     345           1 :   err = gpgme_set_sender (ctx, "foo");
     346           1 :   if (gpgme_err_code (err) != GPG_ERR_INV_VALUE)
     347             :     {
     348           0 :       fprintf (stderr, "%s:%i: gpgme_set_sender didn't detect bogus address\n",
     349             :                PGM, __LINE__);
     350           0 :       exit (1);
     351             :     }
     352             :   /* (the former address should still be there.)  */
     353           1 :   s = gpgme_get_sender (ctx);
     354           1 :   if (!s || strcmp (s, "foo@example.org"))
     355             :     {
     356           0 :       fprintf (stderr, "%s:%i: gpgme_{set,get}_sender mismatch\n",
     357             :                PGM, __LINE__);
     358           0 :       exit (1);
     359             :     }
     360             : 
     361             : 
     362           1 :   gpgme_data_release (sig);
     363           1 :   gpgme_data_release (text);
     364           1 :   gpgme_release (ctx);
     365           1 :   return 0;
     366             : }

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