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
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2001 Ximian, Inc. (www.ximian.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include "mail-crypto.h"
#include "mail-session.h"
#include "mail-config.h"
/**
* mail_crypto_get_pgp_cipher_context:
* @account: Account that will be using this context
*
* Constructs a new PGP (or GPG) cipher context with the appropriate
* options set based on the account provided.
**/
CamelCipherContext *
mail_crypto_get_pgp_cipher_context (const MailConfigAccount *account)
{
CamelCipherContext *cipher;
switch (mail_config_get_pgp_type ()) {
case CAMEL_PGP_TYPE_GPG:
cipher = camel_gpg_context_new (session, mail_config_get_pgp_path ());
if (account)
camel_gpg_context_set_always_trust ((CamelGpgContext *) cipher, account->pgp_always_trust);
break;
case CAMEL_PGP_TYPE_PGP5:
case CAMEL_PGP_TYPE_PGP6:
cipher = camel_pgp_context_new (session, mail_config_get_pgp_type (),
mail_config_get_pgp_path ());
break;
default:
cipher = NULL;
break;
}
return cipher;
}
/**
* mail_crypto_pgp_mime_part_verify:
* @mime_part: a multipart/signed MIME Part
* @ex: exception
*
* Returns a CamelCipherValidity on success or NULL on fail.
**/
CamelCipherValidity *
mail_crypto_pgp_mime_part_verify (CamelMimePart *mime_part, CamelException *ex)
{
CamelCipherValidity *valid = NULL;
CamelCipherContext *cipher;
cipher = mail_crypto_get_pgp_cipher_context (NULL);
if (cipher) {
valid = camel_pgp_mime_part_verify (cipher, mime_part, ex);
camel_object_unref (CAMEL_OBJECT (cipher));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a PGP verification context."));
return valid;
}
/**
* mail_crypto_pgp_mime_part_encrypt:
* @mime_part: a MIME part that will be replaced by a pgp encrypted part
* @recipients: list of recipient PGP Key IDs
* @ex: exception which will be set if there are any errors.
*
* Constructs a PGP/MIME multipart in compliance with rfc2015 and
* replaces #mime_part with the generated multipart/encrypted. On failure,
* #ex will be set and #part will remain untouched.
**/
void
mail_crypto_pgp_mime_part_encrypt (CamelMimePart **mime_part, GPtrArray *recipients, CamelException *ex)
{
CamelCipherContext *cipher;
cipher = mail_crypto_get_pgp_cipher_context (NULL);
if (cipher) {
camel_pgp_mime_part_encrypt (cipher, mime_part, recipients, ex);
camel_object_unref (CAMEL_OBJECT (cipher));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a PGP encryption context."));
}
/**
* mail_crypto_pgp_mime_part_decrypt:
* @mime_part: a multipart/encrypted MIME Part
* @ex: exception
*
* Returns the decrypted MIME Part on success or NULL on fail.
**/
CamelMimePart *
mail_crypto_pgp_mime_part_decrypt (CamelMimePart *mime_part, CamelException *ex)
{
CamelCipherContext *cipher;
CamelMimePart *part = NULL;
cipher = mail_crypto_get_pgp_cipher_context (NULL);
if (cipher) {
part = camel_pgp_mime_part_decrypt (cipher, mime_part, ex);
camel_object_unref (CAMEL_OBJECT (cipher));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a PGP decryption context."));
return part;
}
/**
* mail_crypto_smime_sign:
* @message: MIME message to sign
* @userid: userid to sign with
* @signing_time: Include signing time
* @detached: create detached signature
* @ex: exception which will be set if there are any errors.
*
* Returns a S/MIME message in compliance with rfc2633. Returns %NULL
* on failure and @ex will be set.
**/
CamelMimeMessage *
mail_crypto_smime_sign (CamelMimeMessage *message, const char *userid,
gboolean signing_time, gboolean detached,
CamelException *ex)
{
CamelSMimeContext *context = NULL;
CamelMimeMessage *mesg = NULL;
#ifdef HAVE_NSS
context = camel_smime_context_new (session, NULL);
#endif
if (context) {
mesg = camel_cms_sign (CAMEL_CMS_CONTEXT (context), message,
userid, signing_time, detached, ex);
camel_object_unref (CAMEL_OBJECT (context));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a S/MIME signature context."));
return mesg;
}
/**
* mail_crypto_smime_certsonly:
* @message: MIME message
* @userid: userid
* @recipients: recipients
* @ex: exception
*
* Returns a S/MIME message.
**/
CamelMimeMessage *
mail_crypto_smime_certsonly (CamelMimeMessage *message, const char *userid,
GPtrArray *recipients, CamelException *ex)
{
CamelSMimeContext *context = NULL;
CamelMimeMessage *mesg = NULL;
#ifdef HAVE_NSS
context = camel_smime_context_new (session, NULL);
#endif
if (context) {
mesg = camel_cms_certsonly (CAMEL_CMS_CONTEXT (context), message,
userid, recipients, ex);
camel_object_unref (CAMEL_OBJECT (context));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a S/MIME certsonly context."));
return mesg;
}
/**
* mail_crypto_smime_encrypt:
* @message: MIME message
* @userid: userid
* @recipients: recipients
* @ex: exception
*
* Returns a S/MIME message.
**/
CamelMimeMessage *
mail_crypto_smime_encrypt (CamelMimeMessage *message, const char *userid,
GPtrArray *recipients, CamelException *ex)
{
CamelSMimeContext *context = NULL;
CamelMimeMessage *mesg = NULL;
#ifdef HAVE_NSS
context = camel_smime_context_new (session, NULL);
#endif
if (context) {
mesg = camel_cms_encrypt (CAMEL_CMS_CONTEXT (context), message,
userid, recipients, ex);
camel_object_unref (CAMEL_OBJECT (context));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a S/MIME encryption context."));
return mesg;
}
/**
* mail_crypto_smime_envelope:
* @message: MIME message
* @userid: userid
* @recipients: recipients
* @ex: exception
*
* Returns a S/MIME message.
**/
CamelMimeMessage *
mail_crypto_smime_envelope (CamelMimeMessage *message, const char *userid,
GPtrArray *recipients, CamelException *ex)
{
CamelSMimeContext *context = NULL;
CamelMimeMessage *mesg = NULL;
#ifdef HAVE_NSS
context = camel_smime_context_new (session, NULL);
#endif
if (context) {
mesg = camel_cms_envelope (CAMEL_CMS_CONTEXT (context), message,
userid, recipients, ex);
camel_object_unref (CAMEL_OBJECT (context));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a S/MIME envelope context."));
return mesg;
}
/**
* mail_crypto_smime_decode:
* @message: MIME message
* @info: pointer to a CamelCMSValidityInfo structure (or %NULL)
* @ex: exception
*
* Returns a decoded S/MIME message.
**/
CamelMimeMessage *
mail_crypto_smime_decode (CamelMimeMessage *message, CamelCMSValidityInfo **info,
CamelException *ex)
{
CamelSMimeContext *context = NULL;
CamelMimeMessage *mesg = NULL;
#ifdef HAVE_NSS
context = camel_smime_context_new (session, NULL);
#endif
if (context) {
mesg = camel_cms_decode (CAMEL_CMS_CONTEXT (context),
message, info, ex);
camel_object_unref (CAMEL_OBJECT (context));
} else
camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM,
_("Could not create a S/MIME decode context."));
return mesg;
}
|
