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/* trustdb.h - Trust database
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
* 2005, 2012 Free Software Foundation, Inc.
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifndef G10_TRUSTDB_H
#define G10_TRUSTDB_H
/* Trust values must be sorted in ascending order! */
#define TRUST_MASK 15
#define TRUST_UNKNOWN 0 /* o: not yet calculated/assigned */
#define TRUST_EXPIRED 1 /* e: calculation may be invalid */
#define TRUST_UNDEFINED 2 /* q: not enough information for calculation */
#define TRUST_NEVER 3 /* n: never trust this pubkey */
#define TRUST_MARGINAL 4 /* m: marginally trusted */
#define TRUST_FULLY 5 /* f: fully trusted */
#define TRUST_ULTIMATE 6 /* u: ultimately trusted */
/* Trust values not covered by the mask. */
#define TRUST_FLAG_REVOKED 32 /* r: revoked */
#define TRUST_FLAG_SUB_REVOKED 64 /* r: revoked but for subkeys */
#define TRUST_FLAG_DISABLED 128 /* d: key/uid disabled */
#define TRUST_FLAG_PENDING_CHECK 256 /* a check-trustdb is pending */
#define TRUST_FLAG_TOFU_BASED 512 /* The trust value is based on
* the TOFU information. */
/* Private value used in tofu.c - must be different from the trust
values. */
#define _tofu_GET_TRUST_ERROR 100
/* Length of the hash used to select UIDs in keyedit.c. */
#define NAMEHASH_LEN 20
/*-- trust.c --*/
int cache_disabled_value (ctrl_t ctrl, PKT_public_key *pk);
void register_trusted_keyid (u32 *keyid);
void register_trusted_key (const char *string);
const char *trust_value_to_string (unsigned int value);
int string_to_trust_value (const char *str);
const char *uid_trust_string_fixed (ctrl_t ctrl,
PKT_public_key *key, PKT_user_id *uid);
unsigned int get_ownertrust (ctrl_t ctrl, PKT_public_key *pk);
void update_ownertrust (ctrl_t ctrl,
PKT_public_key *pk, unsigned int new_trust);
int clear_ownertrusts (ctrl_t ctrl, PKT_public_key *pk);
void revalidation_mark (ctrl_t ctrl);
void check_trustdb_stale (ctrl_t ctrl);
void check_or_update_trustdb (ctrl_t ctrl);
unsigned int get_validity (ctrl_t ctrl, kbnode_t kb, PKT_public_key *pk,
PKT_user_id *uid,
PKT_signature *sig, int may_ask);
int get_validity_info (ctrl_t ctrl, kbnode_t kb, PKT_public_key *pk,
PKT_user_id *uid);
const char *get_validity_string (ctrl_t ctrl,
PKT_public_key *pk, PKT_user_id *uid);
/*-- trustdb.c --*/
void tdb_register_trusted_keyid (u32 *keyid);
void tdb_register_trusted_key (const char *string);
/* Returns whether KID is on the list of ultimately trusted keys. */
int tdb_keyid_is_utk (u32 *kid);
/* Return the list of ultimately trusted keys. The caller must not
* modify this list nor must it free the list. */
struct key_item *tdb_utks (void);
void check_trustdb (ctrl_t ctrl);
void update_trustdb (ctrl_t ctrl);
int setup_trustdb( int level, const char *dbname );
void how_to_fix_the_trustdb (void);
const char *trust_model_string (int model);
gpg_error_t init_trustdb (ctrl_t ctrl, int no_create);
int have_trustdb (ctrl_t ctrl);
void tdb_check_trustdb_stale (ctrl_t ctrl);
void tdb_revalidation_mark (ctrl_t ctrl);
int trustdb_pending_check(void);
void tdb_check_or_update (ctrl_t ctrl);
int tdb_cache_disabled_value (ctrl_t ctrl, PKT_public_key *pk);
unsigned int tdb_get_validity_core (ctrl_t ctrl, kbnode_t kb,
PKT_public_key *pk, PKT_user_id *uid,
PKT_public_key *main_pk,
PKT_signature *sig, int may_ask);
void list_trust_path( const char *username );
int enum_cert_paths( void **context, ulong *lid,
unsigned *ownertrust, unsigned *validity );
void enum_cert_paths_print( void **context, FILE *fp,
int refresh, ulong selected_lid );
void read_trust_options (ctrl_t ctrl, byte *trust_model,
ulong *created, ulong *nextcheck,
byte *marginals, byte *completes, byte *cert_depth,
byte *min_cert_level);
unsigned int tdb_get_ownertrust (ctrl_t ctrl, PKT_public_key *pk,
int no_create);
unsigned int tdb_get_min_ownertrust (ctrl_t ctrl, PKT_public_key *pk,
int no_create);
int get_ownertrust_info (ctrl_t ctrl, PKT_public_key *pk, int no_create);
const char *get_ownertrust_string (ctrl_t ctrl,
PKT_public_key *pk, int no_create);
void tdb_update_ownertrust (ctrl_t ctrl, PKT_public_key *pk,
unsigned int new_trust);
int tdb_clear_ownertrusts (ctrl_t ctrl, PKT_public_key *pk);
/*-- tdbdump.c --*/
void list_trustdb (ctrl_t ctrl, estream_t fp, const char *username);
void export_ownertrust (ctrl_t ctrl);
void import_ownertrust (ctrl_t ctrl, const char *fname);
/*-- pkclist.c --*/
int edit_ownertrust (ctrl_t ctrl, PKT_public_key *pk, int mode);
#endif /*G10_TRUSTDB_H*/
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