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https://git.notmuchmail.org/git/notmuch
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bb0b119358
Our minimum version of GMime 3.0 always supports good session key handling. signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2012 Jameson Rollins
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see https://www.gnu.org/licenses/ .
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*
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* Authors: Jameson Rollins <jrollins@finestructure.net>
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*/
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#include "crypto.h"
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#include <strings.h>
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#define unused(x) x __attribute__ ((unused))
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#define ARRAY_SIZE(arr) (sizeof (arr) / sizeof (arr[0]))
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void _notmuch_crypto_cleanup (unused(_notmuch_crypto_t *crypto))
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{
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}
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GMimeObject *
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_notmuch_crypto_decrypt (bool *attempted,
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notmuch_decryption_policy_t decrypt,
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notmuch_message_t *message,
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g_mime_3_unused(GMimeCryptoContext* crypto_ctx),
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GMimeMultipartEncrypted *part,
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GMimeDecryptResult **decrypt_result,
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GError **err)
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{
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GMimeObject *ret = NULL;
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if (decrypt == NOTMUCH_DECRYPT_FALSE)
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return NULL;
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/* the versions of notmuch that can support session key decryption */
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if (message) {
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notmuch_message_properties_t *list = NULL;
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for (list = notmuch_message_get_properties (message, "session-key", TRUE);
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notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
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if (err && *err) {
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g_error_free (*err);
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*err = NULL;
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}
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if (attempted)
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*attempted = true;
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ret = g_mime_multipart_encrypted_decrypt (part,
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GMIME_DECRYPT_NONE,
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notmuch_message_properties_value (list),
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decrypt_result, err);
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if (ret)
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break;
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}
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if (list)
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notmuch_message_properties_destroy (list);
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if (ret)
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return ret;
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}
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if (err && *err) {
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g_error_free (*err);
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*err = NULL;
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}
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if (decrypt == NOTMUCH_DECRYPT_AUTO)
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return ret;
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if (attempted)
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*attempted = true;
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GMimeDecryptFlags flags = GMIME_DECRYPT_NONE;
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if (decrypt == NOTMUCH_DECRYPT_TRUE && decrypt_result)
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flags |= GMIME_DECRYPT_EXPORT_SESSION_KEY;
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ret = g_mime_multipart_encrypted_decrypt(part, flags, NULL,
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decrypt_result, err);
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return ret;
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}
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