mirror of
git://git.gnupg.org/gnupg.git
synced 2024-10-31 20:08:43 +01:00
754b1c4630
* g10/gpg.h (struct tofu_dbs_s, tofu_dbs_t): New declarations. (struct server_control_s): Add field tofu.dbs. * g10/tofu.c (struct dbs): Rename to tofu_dbs_s. Replace all users by by tofu_dbs_t. (opendbs): Add arg CTRL. Cache the DBS in CTRL. (closedbs): Rename to tofu_closedbs and make global. Add arg CTRL. (tofu_register): Add arg CTRL. Change all callers. Do not call closedbs. (tofu_get_validity): Ditto. (tofu_set_policy): Ditto. (tofu_get_policy): Ditto. (tofu_set_policy_by_keyid): Add arg CTRL. * g10/gpg.c (gpg_deinit_default_ctrl): Call tofu_closedbs. Signed-off-by: Werner Koch <wk@gnupg.org>
122 lines
4.8 KiB
C
122 lines
4.8 KiB
C
/* tofu.h - TOFU trust model.
|
|
* Copyright (C) 2015 g10 Code GmbH
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* GnuPG 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.
|
|
*
|
|
* GnuPG 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef G10_TOFU_H
|
|
#define G10_TOFU_H
|
|
|
|
#include <config.h>
|
|
|
|
/* For each binding, we have a trust policy. */
|
|
enum tofu_policy
|
|
{
|
|
/* This value can be returned by tofu_get_policy to indicate that
|
|
there is no policy set for the specified binding. */
|
|
TOFU_POLICY_NONE = 0,
|
|
|
|
/* We made a default policy decision. This is only done if there
|
|
is no conflict with another binding (that is, the email address
|
|
is not part of another known key). The default policy is
|
|
configurable (and specified using: --tofu-default-policy).
|
|
|
|
Note: when using the default policy, we save TOFU_POLICY_AUTO
|
|
with the binding, not the policy that was in effect. This way,
|
|
if the user invokes gpg again, but with a different value for
|
|
--tofu-default-policy, a different decision is made. */
|
|
TOFU_POLICY_AUTO = 1,
|
|
|
|
/* The user explicitly marked the binding as good. In this case,
|
|
we return TRUST_FULLY. */
|
|
TOFU_POLICY_GOOD = 2,
|
|
|
|
/* The user explicitly marked the binding as unknown. In this
|
|
case, we return TRUST_UNKNOWN. */
|
|
TOFU_POLICY_UNKNOWN = 3,
|
|
|
|
/* The user explicitly marked the binding as bad. In this case,
|
|
we always return TRUST_NEVER. */
|
|
TOFU_POLICY_BAD = 4,
|
|
|
|
/* The user deferred a definitive policy decision about the
|
|
binding (by selecting accept once or reject once). The next
|
|
time we see this binding, we should ask the user what to
|
|
do. */
|
|
TOFU_POLICY_ASK = 5,
|
|
|
|
|
|
/* Privat evalue used only within tofu.c. */
|
|
_tofu_GET_POLICY_ERROR = 100
|
|
};
|
|
|
|
|
|
/* Return a string representation of a trust policy. Returns "???" if
|
|
POLICY is not valid. */
|
|
const char *tofu_policy_str (enum tofu_policy policy);
|
|
|
|
/* Convert a binding policy (e.g., TOFU_POLICY_BAD) to a trust level
|
|
(e.g., TRUST_BAD) in light of the current configuration. */
|
|
int tofu_policy_to_trust_level (enum tofu_policy policy);
|
|
|
|
/* Register the binding <PK, USER_ID> and the signature
|
|
described by SIGS_DIGEST and SIG_TIME, which it generated. Origin
|
|
describes where the signed data came from, e.g., "email:claws"
|
|
(default: "unknown"). If MAY_ASK is 1, then this function may
|
|
interact with the user in the case of a conflict or if the
|
|
binding's policy is ask. This function returns the binding's trust
|
|
level. If an error occurs, it returns TRUST_UNKNOWN. */
|
|
int tofu_register (ctrl_t ctrl, PKT_public_key *pk, const char *user_id,
|
|
const byte *sigs_digest, int sigs_digest_len,
|
|
time_t sig_time, const char *origin, int may_ask);
|
|
|
|
/* Combine a trust level returned from the TOFU trust model with a
|
|
trust level returned by the PGP trust model. This is primarily of
|
|
interest when the trust model is tofu+pgp (TM_TOFU_PGP). */
|
|
int tofu_wot_trust_combine (int tofu, int wot);
|
|
|
|
/* Determine the validity (TRUST_NEVER, etc.) of the binding
|
|
<PK, USER_ID>. If MAY_ASK is 1, then this function may
|
|
interact with the user. If not, TRUST_UNKNOWN is returned. If an
|
|
error occurs, TRUST_UNDEFINED is returned. */
|
|
int tofu_get_validity (ctrl_t ctrl,
|
|
PKT_public_key *pk, const char *user_id, int may_ask);
|
|
|
|
/* Set the policy for all non-revoked user ids in the keyblock KB to
|
|
POLICY. */
|
|
gpg_error_t tofu_set_policy (ctrl_t ctrl, kbnode_t kb, enum tofu_policy policy);
|
|
|
|
/* Set the TOFU policy for all non-revoked users in the key with the
|
|
key id KEYID to POLICY. */
|
|
gpg_error_t tofu_set_policy_by_keyid (ctrl_t ctrl,
|
|
u32 *keyid, enum tofu_policy policy);
|
|
|
|
/* Return the TOFU policy for the specified binding in *POLICY. */
|
|
gpg_error_t tofu_get_policy (ctrl_t ctrl,
|
|
PKT_public_key *pk, PKT_user_id *user_id,
|
|
enum tofu_policy *policy);
|
|
|
|
/* When doing a lot of DB activities (in particular, when listing
|
|
keys), this causes the DB to enter batch mode, which can
|
|
significantly speed up operations. */
|
|
void tofu_begin_batch_update (void);
|
|
void tofu_end_batch_update (void);
|
|
|
|
/* Release all of the resources associated with a DB meta-handle. */
|
|
void tofu_closedbs (ctrl_t ctrl);
|
|
|
|
#endif /*G10_TOFU_H*/
|