1 /* notmuch - Not much of an email program, (just index and search)
3 * Copyright © 2012 Jameson Rollins
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see https://www.gnu.org/licenses/ .
18 * Authors: Jameson Rollins <jrollins@finestructure.net>
23 #define unused(x) x __attribute__ ((unused))
25 #define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr[0]))
27 void _notmuch_crypto_cleanup (unused(_notmuch_crypto_t *crypto))
32 _notmuch_crypto_decrypt (bool *attempted,
33 notmuch_decryption_policy_t decrypt,
34 notmuch_message_t *message,
35 g_mime_3_unused(GMimeCryptoContext* crypto_ctx),
36 GMimeMultipartEncrypted *part,
37 GMimeDecryptResult **decrypt_result,
40 GMimeObject *ret = NULL;
41 if (decrypt == NOTMUCH_DECRYPT_FALSE)
44 /* the versions of notmuch that can support session key decryption */
45 #if HAVE_GMIME_SESSION_KEYS
47 notmuch_message_properties_t *list = NULL;
49 for (list = notmuch_message_get_properties (message, "session-key", TRUE);
50 notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
57 ret = g_mime_multipart_encrypted_decrypt (part,
59 notmuch_message_properties_value (list),
65 notmuch_message_properties_destroy (list);
76 if (decrypt == NOTMUCH_DECRYPT_AUTO)
81 #if (GMIME_MAJOR_VERSION < 3)
82 #if HAVE_GMIME_SESSION_KEYS
83 gboolean oldgetsk = g_mime_crypto_context_get_retrieve_session_key (crypto_ctx);
84 gboolean newgetsk = (decrypt == NOTMUCH_DECRYPT_TRUE && decrypt_result);
85 if (newgetsk != oldgetsk)
86 /* This could return an error, but we can't do anything about it, so ignore it */
87 g_mime_crypto_context_set_retrieve_session_key (crypto_ctx, newgetsk, NULL);
89 ret = g_mime_multipart_encrypted_decrypt(part, crypto_ctx,
91 #if HAVE_GMIME_SESSION_KEYS
92 if (newgetsk != oldgetsk)
93 g_mime_crypto_context_set_retrieve_session_key (crypto_ctx, oldgetsk, NULL);
96 GMimeDecryptFlags flags = GMIME_DECRYPT_NONE;
97 if (decrypt == NOTMUCH_DECRYPT_TRUE && decrypt_result)
98 flags |= GMIME_DECRYPT_EXPORT_SESSION_KEY;
99 ret = g_mime_multipart_encrypted_decrypt(part, flags, NULL,
100 decrypt_result, err);