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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