notmuch/lib/indexopts.c
Daniel Kahn Gillmor e4890b5bf9 crypto: new decryption policy "auto"
This new automatic decryption policy should make it possible to
decrypt messages that we have stashed session keys for, without
incurring a call to the user's asymmetric keys.
2017-12-08 08:07:53 -04:00

71 lines
2.2 KiB
C

/* indexopts.c - options for indexing messages (currently a stub)
*
* Copyright © 2017 Daniel Kahn Gillmor
*
* 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 3 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, see https://www.gnu.org/licenses/ .
*
* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
*/
#include "notmuch-private.h"
notmuch_indexopts_t *
notmuch_database_get_default_indexopts (notmuch_database_t *db)
{
notmuch_indexopts_t *ret = talloc_zero (db, notmuch_indexopts_t);
if (!ret)
return ret;
ret->crypto.decrypt = NOTMUCH_DECRYPT_FALSE;
char * decrypt_policy;
notmuch_status_t err = notmuch_database_get_config (db, "index.decrypt", &decrypt_policy);
if (err)
return ret;
if (decrypt_policy) {
if ((!(strcasecmp(decrypt_policy, "true"))) ||
(!(strcasecmp(decrypt_policy, "yes"))) ||
(!(strcasecmp(decrypt_policy, "1"))))
notmuch_indexopts_set_decrypt_policy (ret, NOTMUCH_DECRYPT_TRUE);
else if (!strcasecmp(decrypt_policy, "auto"))
notmuch_indexopts_set_decrypt_policy (ret, NOTMUCH_DECRYPT_AUTO);
}
free (decrypt_policy);
return ret;
}
notmuch_status_t
notmuch_indexopts_set_decrypt_policy (notmuch_indexopts_t *indexopts,
notmuch_decryption_policy_t decrypt_policy)
{
if (!indexopts)
return NOTMUCH_STATUS_NULL_POINTER;
indexopts->crypto.decrypt = decrypt_policy;
return NOTMUCH_STATUS_SUCCESS;
}
notmuch_decryption_policy_t
notmuch_indexopts_get_decrypt_policy (const notmuch_indexopts_t *indexopts)
{
if (!indexopts)
return false;
return indexopts->crypto.decrypt;
}
void
notmuch_indexopts_destroy (notmuch_indexopts_t *indexopts)
{
talloc_free (indexopts);
}