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Here's the configuration choice for people who want a cleartext index, but don't want stashed session keys. Interestingly, this "nostash" decryption policy is actually the same policy that should be used by "notmuch show" and "notmuch reply", since they never modify the index or database when they are invoked with --decrypt. We take advantage of this parallel to tune the behavior of those programs so that we're not requesting session keys from GnuPG during "show" and "reply" that we would then otherwise just throw away.
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/* indexopts.c - options for indexing messages (currently a stub)
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*
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* Copyright © 2017 Daniel Kahn Gillmor
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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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* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
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*/
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#include "notmuch-private.h"
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notmuch_indexopts_t *
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notmuch_database_get_default_indexopts (notmuch_database_t *db)
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{
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notmuch_indexopts_t *ret = talloc_zero (db, notmuch_indexopts_t);
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if (!ret)
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return ret;
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ret->crypto.decrypt = NOTMUCH_DECRYPT_AUTO;
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char * decrypt_policy;
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notmuch_status_t err = notmuch_database_get_config (db, "index.decrypt", &decrypt_policy);
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if (err)
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return ret;
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if (decrypt_policy) {
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if ((!(strcasecmp(decrypt_policy, "true"))) ||
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(!(strcasecmp(decrypt_policy, "yes"))) ||
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(!(strcasecmp(decrypt_policy, "1"))))
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notmuch_indexopts_set_decrypt_policy (ret, NOTMUCH_DECRYPT_TRUE);
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else if ((!(strcasecmp(decrypt_policy, "false"))) ||
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(!(strcasecmp(decrypt_policy, "no"))) ||
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(!(strcasecmp(decrypt_policy, "0"))))
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notmuch_indexopts_set_decrypt_policy (ret, NOTMUCH_DECRYPT_FALSE);
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else if (!strcasecmp(decrypt_policy, "nostash"))
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notmuch_indexopts_set_decrypt_policy (ret, NOTMUCH_DECRYPT_NOSTASH);
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}
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free (decrypt_policy);
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return ret;
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}
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notmuch_status_t
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notmuch_indexopts_set_decrypt_policy (notmuch_indexopts_t *indexopts,
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notmuch_decryption_policy_t decrypt_policy)
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{
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if (!indexopts)
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return NOTMUCH_STATUS_NULL_POINTER;
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indexopts->crypto.decrypt = decrypt_policy;
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return NOTMUCH_STATUS_SUCCESS;
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}
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notmuch_decryption_policy_t
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notmuch_indexopts_get_decrypt_policy (const notmuch_indexopts_t *indexopts)
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{
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if (!indexopts)
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return false;
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return indexopts->crypto.decrypt;
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}
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void
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notmuch_indexopts_destroy (notmuch_indexopts_t *indexopts)
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{
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talloc_free (indexopts);
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}
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