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
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
|
/*
* Copyright (C) 2003 Werner Koch <wk@gnupg.org>
* Copyright (C) 2004 g10 Code GmbH
*
* This program 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.
*
* This program 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, USA.
*/
/*
This file dispatches the generic crypto functions to the
implemented backend or provides dummy stubs. Note, that some
generic functions are handled in crypt.c.
*/
/* Note: This file has been changed to make use of the new module
system. Consequently there's a 1:1 mapping between the functions
contained in this file and the functions implemented by the crypto
modules. */
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "mutt_crypt.h"
#include "crypt-mod.h"
/*
Generic
*/
#ifdef CRYPT_BACKEND_CLASSIC_PGP
extern struct crypt_module_specs crypt_mod_pgp_classic;
#endif
#ifdef CRYPT_BACKEND_CLASSIC_SMIME
extern struct crypt_module_specs crypt_mod_smime_classic;
#endif
#ifdef CRYPT_BACKEND_GPGME
extern struct crypt_module_specs crypt_mod_pgp_gpgme;
extern struct crypt_module_specs crypt_mod_smime_gpgme;
#endif
void crypt_init (void)
{
#ifdef CRYPT_BACKEND_CLASSIC_PGP
if (
#ifdef CRYPT_BACKEND_GPGME
(! option (OPTCRYPTUSEGPGME))
#else
1
#endif
)
crypto_module_register (&crypt_mod_pgp_classic);
#endif
#ifdef CRYPT_BACKEND_CLASSIC_SMIME
if (
#ifdef CRYPT_BACKEND_GPGME
(! option (OPTCRYPTUSEGPGME))
#else
1
#endif
)
crypto_module_register (&crypt_mod_smime_classic);
#endif
if (option (OPTCRYPTUSEGPGME))
{
#ifdef CRYPT_BACKEND_GPGME
crypto_module_register (&crypt_mod_pgp_gpgme);
crypto_module_register (&crypt_mod_smime_gpgme);
#else
mutt_message (_("\"crypt_use_gpgme\" set"
" but not build with GPGME support."));
if (mutt_any_key_to_continue (NULL) == -1)
mutt_exit(1);
#endif
}
#if defined CRYPT_BACKEND_CLASSIG_PGP || defined CRYPT_BACKEND_CLASSIG_SMIME || defined CRYPT_BACKEND_GPGME
if (CRYPT_MOD_CALL_CHECK (PGP, init))
(CRYPT_MOD_CALL (PGP, init)) ();
if (CRYPT_MOD_CALL_CHECK (SMIME, init))
(CRYPT_MOD_CALL (SMIME, init)) ();
#endif
}
/* Show a message that a backend will be invoked. */
void crypt_invoke_message (int type)
{
if ((WithCrypto & APPLICATION_PGP) && (type & APPLICATION_PGP))
mutt_message _("Invoking PGP...");
else if ((WithCrypto & APPLICATION_SMIME) && (type & APPLICATION_SMIME))
mutt_message _("Invoking S/MIME...");
}
/*
PGP
*/
/* Reset a PGP passphrase */
void crypt_pgp_void_passphrase (void)
{
if (CRYPT_MOD_CALL_CHECK (PGP, void_passphrase))
(CRYPT_MOD_CALL (PGP, void_passphrase)) ();
}
int crypt_pgp_valid_passphrase (void)
{
if (CRYPT_MOD_CALL_CHECK (PGP, valid_passphrase))
return (CRYPT_MOD_CALL (PGP, valid_passphrase)) ();
return 0;
}
/* Decrypt a PGP/MIME message. */
int crypt_pgp_decrypt_mime (FILE *a, FILE **b, BODY *c, BODY **d)
{
if (CRYPT_MOD_CALL_CHECK (PGP, decrypt_mime))
return (CRYPT_MOD_CALL (PGP, decrypt_mime)) (a, b, c, d);
return -1;
}
/* MIME handler for the application/pgp content-type. */
int crypt_pgp_application_pgp_handler (BODY *m, STATE *s)
{
if (CRYPT_MOD_CALL_CHECK (PGP, application_handler))
return (CRYPT_MOD_CALL (PGP, application_handler)) (m, s);
return -1;
}
/* MIME handler for an PGP/MIME encrypted message. */
int crypt_pgp_encrypted_handler (BODY *a, STATE *s)
{
if (CRYPT_MOD_CALL_CHECK (PGP, encrypted_handler))
return (CRYPT_MOD_CALL (PGP, encrypted_handler)) (a, s);
return -1;
}
/* fixme: needs documentation. */
void crypt_pgp_invoke_getkeys (ADDRESS *addr)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_invoke_getkeys))
(CRYPT_MOD_CALL (PGP, pgp_invoke_getkeys)) (addr);
}
/* Check for a traditional PGP message in body B. */
int crypt_pgp_check_traditional (FILE *fp, BODY *b, int tagged_only)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_check_traditional))
return (CRYPT_MOD_CALL (PGP, pgp_check_traditional)) (fp, b, tagged_only);
return 0;
}
/* fixme: needs documentation. */
BODY *crypt_pgp_traditional_encryptsign (BODY *a, int flags, char *keylist)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_traditional_encryptsign))
return (CRYPT_MOD_CALL (PGP, pgp_traditional_encryptsign)) (a, flags, keylist);
return NULL;
}
/* Generate a PGP public key attachment. */
BODY *crypt_pgp_make_key_attachment (char *tempf)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_make_key_attachment))
return (CRYPT_MOD_CALL (PGP, pgp_make_key_attachment)) (tempf);
return NULL;
}
/* This routine attempts to find the keyids of the recipients of a
message. It returns NULL if any of the keys can not be found. */
char *crypt_pgp_findkeys (ADDRESS *to, ADDRESS *cc, ADDRESS *bcc)
{
if (CRYPT_MOD_CALL_CHECK (PGP, findkeys))
return (CRYPT_MOD_CALL (PGP, findkeys)) (to, cc, bcc);
return NULL;
}
/* Create a new body with a PGP signed message from A. */
BODY *crypt_pgp_sign_message (BODY *a)
{
if (CRYPT_MOD_CALL_CHECK (PGP, sign_message))
return (CRYPT_MOD_CALL (PGP, sign_message)) (a);
return NULL;
}
/* Warning: A is no longer freed in this routine, you need to free it
later. This is necessary for $fcc_attach. */
BODY *crypt_pgp_encrypt_message (BODY *a, char *keylist, int sign)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_encrypt_message))
return (CRYPT_MOD_CALL (PGP, pgp_encrypt_message)) (a, keylist, sign);
return NULL;
}
/* Invoke the PGP command to import a key. */
void crypt_pgp_invoke_import (const char *fname)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_invoke_import))
(CRYPT_MOD_CALL (PGP, pgp_invoke_import)) (fname);
}
/* fixme: needs documentation */
int crypt_pgp_verify_one (BODY *sigbdy, STATE *s, const char *tempf)
{
if (CRYPT_MOD_CALL_CHECK (PGP, verify_one))
return (CRYPT_MOD_CALL (PGP, verify_one)) (sigbdy, s, tempf);
return -1;
}
int crypt_pgp_send_menu (HEADER *msg, int *redraw)
{
if (CRYPT_MOD_CALL_CHECK (PGP, send_menu))
return (CRYPT_MOD_CALL (PGP, send_menu)) (msg, redraw);
return 0;
}
/* fixme: needs documentation */
void crypt_pgp_extract_keys_from_attachment_list (FILE *fp, int tag, BODY *top)
{
if (CRYPT_MOD_CALL_CHECK (PGP, pgp_extract_keys_from_attachment_list))
(CRYPT_MOD_CALL (PGP, pgp_extract_keys_from_attachment_list)) (fp, tag, top);
}
/*
S/MIME
*/
/* Reset an SMIME passphrase */
void crypt_smime_void_passphrase (void)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, void_passphrase))
(CRYPT_MOD_CALL (SMIME, void_passphrase)) ();
}
int crypt_smime_valid_passphrase (void)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, valid_passphrase))
return (CRYPT_MOD_CALL (SMIME, valid_passphrase)) ();
return 0;
}
/* Decrypt am S/MIME message. */
int crypt_smime_decrypt_mime (FILE *a, FILE **b, BODY *c, BODY **d)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, decrypt_mime))
return (CRYPT_MOD_CALL (SMIME, decrypt_mime)) (a, b, c, d);
return -1;
}
/* MIME handler for the application/smime content-type. */
int crypt_smime_application_smime_handler (BODY *m, STATE *s)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, application_handler))
return (CRYPT_MOD_CALL (SMIME, application_handler)) (m, s);
return -1;
}
/* MIME handler for an PGP/MIME encrypted message. */
void crypt_smime_encrypted_handler (BODY *a, STATE *s)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, encrypted_handler))
(CRYPT_MOD_CALL (SMIME, encrypted_handler)) (a, s);
}
/* fixme: Needs documentation. */
void crypt_smime_getkeys (ENVELOPE *env)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, smime_getkeys))
(CRYPT_MOD_CALL (SMIME, smime_getkeys)) (env);
}
/* Check that the sender matches. */
int crypt_smime_verify_sender(HEADER *h)
{
if (CRYPT_MOD_CALL_CHECK (SMIME, smime_verify_sender))
return (CRYPT_MOD_CALL (SMIME, smime_verify_sender))
|