1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
/* t-verify.c - regression test
* Copyright (C) 2000 Werner Koch (dd9jn)
* Copyright (C) 2001 g10 Code GmbH
*
* This file is part of GPGME.
*
* GPGME is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GPGME is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <gpgme.h>
static const char test_text1[] = "Just GNU it!\n";
static const char test_text1f[]= "Just GNU it?\n";
static const char test_sig1[] =
#if 0
"-----BEGIN PGP SIGNATURE-----\n"
"\n"
"iEYEABECAAYFAjoKgjIACgkQLXJ8x2hpdzQMSwCeO/xUrhysZ7zJKPf/FyXA//u1\n"
"ZgIAn0204PBR7yxSdQx6CFxugstNqmRv\n"
"=yku6\n"
"-----END PGP SIGNATURE-----\n"
#elif 0
"-----BEGIN PGP SIGNATURE-----\n"
"Version: GnuPG v1.0.4-2 (GNU/Linux)\n"
"Comment: For info see http://www.gnupg.org\n"
"\n"
"iJcEABECAFcFAjoS8/E1FIAAAAAACAAkZm9vYmFyLjF0aGlzIGlzIGEgbm90YXRp\n"
"b24gZGF0YSB3aXRoIDIgbGluZXMaGmh0dHA6Ly93d3cuZ3Uub3JnL3BvbGljeS8A\n"
"CgkQLXJ8x2hpdzQLyQCbBW/fgU8ZeWSlWPM1F8umHX17bAAAoIfSNDSp5zM85XcG\n"
"iwxMrf+u8v4r\n"
"=88Zo\n"
"-----END PGP SIGNATURE-----\n"
#elif 1
"-----BEGIN PGP SIGNATURE-----\n"
"\n"
"iN0EABECAJ0FAjoS+i9FFIAAAAAAAwA5YmFyw7bDpMO8w58gZGFzIHdhcmVuIFVt\n"
"bGF1dGUgdW5kIGpldHp0IGVpbiBwcm96ZW50JS1aZWljaGVuNRSAAAAAAAgAJGZv\n"
"b2Jhci4xdGhpcyBpcyBhIG5vdGF0aW9uIGRhdGEgd2l0aCAyIGxpbmVzGhpodHRw\n"
"Oi8vd3d3Lmd1Lm9yZy9wb2xpY3kvAAoJEC1yfMdoaXc0JBIAoIiLlUsvpMDOyGEc\n"
"dADGKXF/Hcb+AKCJWPphZCphduxSvrzH0hgzHdeQaA==\n"
"=nts1\n"
"-----END PGP SIGNATURE-----\n"
#endif
;
#define fail_if_err(a) do { if(a) { \
fprintf (stderr, "%s:%d: GpgmeError %s\n", \
__FILE__, __LINE__, gpgme_strerror(a)); \
exit (1); } \
} while(0)
static const char *
status_string (GpgmeSigStat status)
{
const char *s = "?";
switch ( status ) {
case GPGME_SIG_STAT_NONE:
s = "None";
break;
case GPGME_SIG_STAT_NOSIG:
s = "No Signature";
break;
case GPGME_SIG_STAT_GOOD:
s = "Good";
break;
case GPGME_SIG_STAT_BAD:
s = "Bad";
break;
case GPGME_SIG_STAT_NOKEY:
s = "No Key";
break;
case GPGME_SIG_STAT_ERROR:
s = "Error";
break;
case GPGME_SIG_STAT_DIFF:
s = "More than one signature";
break;
}
return s;
}
static void
print_sig_stat ( GpgmeCtx ctx, GpgmeSigStat status )
{
const char *s;
time_t created;
int idx;
GpgmeKey key;
printf ("Verification Status: %s\n", status_string (status));
for(idx=0; (s=gpgme_get_sig_status (ctx, idx, &status, &created)); idx++ ) {
printf ("sig %d: created: %lu status: %s\n", idx, (unsigned long)created,
status_string(status) );
printf ("sig %d: fpr/keyid=`%s'\n", idx, s );
if ( !gpgme_get_sig_key (ctx, idx, &key) ) {
char *p = gpgme_key_get_as_xml ( key );
printf ("sig %d: key object:\n%s\n", idx, p );
free (p);
gpgme_key_release (key);
}
}
}
int
main (int argc, char **argv )
{
GpgmeCtx ctx;
GpgmeError err;
GpgmeData sig, text;
GpgmeSigStat status;
char *nota;
int n = 0;
err = gpgme_new (&ctx);
fail_if_err (err);
do {
err = gpgme_data_new_from_mem ( &text,
test_text1, strlen (test_text1), 0 );
fail_if_err (err);
#if 1
err = gpgme_data_new_from_mem ( &sig,
test_sig1, strlen (test_sig1), 0 );
#else
err = gpgme_data_new_from_file ( &sig, "xx1", 1 );
#endif
fail_if_err (err);
puts ("checking a valid message:\n");
err = gpgme_op_verify (ctx, sig, text, &status );
print_sig_stat ( ctx, status );
print_sig_stat ( ctx, status );
print_sig_stat ( ctx, status );
print_sig_stat ( ctx, status );
fail_if_err (err);
if ( (nota=gpgme_get_notation (ctx)) )
printf ("---Begin Notation---\n%s---End Notation---\n", nota );
puts ("checking a manipulated message:\n");
gpgme_data_release (text);
err = gpgme_data_new_from_mem ( &text,
test_text1f, strlen (test_text1f), 0 );
fail_if_err (err);
gpgme_data_rewind ( sig );
err = gpgme_op_verify (ctx, sig, text, &status );
print_sig_stat ( ctx, status );
fail_if_err (err);
if ( (nota=gpgme_get_notation (ctx)) )
printf ("---Begin Notation---\n%s---End Notation---\n", nota );
gpgme_data_release (sig);
gpgme_data_release (text);
} while ( argc > 1 && !strcmp( argv[1], "--loop" ) && ++n < 20 );
gpgme_release (ctx);
return 0;
}
|