1 /* tdbio.h - Trust database I/O functions
2 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2012 Free Software Foundation, Inc.
4 * This file is part of GnuPG.
6 * GnuPG is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * GnuPG is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <https://www.gnu.org/licenses/>.
25 #define TRUST_RECORD_LEN 40
26 #define SIGS_PER_RECORD ((TRUST_RECORD_LEN-10)/5)
27 #define ITEMS_PER_HTBL_RECORD ((TRUST_RECORD_LEN-2)/4)
28 #define ITEMS_PER_HLST_RECORD ((TRUST_RECORD_LEN-6)/5)
29 #define ITEMS_PER_PREF_RECORD (TRUST_RECORD_LEN-10)
30 #if ITEMS_PER_PREF_RECORD % 2
31 #error ITEMS_PER_PREF_RECORD must be even
33 #define MAX_LIST_SIGS_DEPTH 20
37 #define RECTYPE_HTBL 10
38 #define RECTYPE_HLST 11
39 #define RECTYPE_TRUST 12
40 #define RECTYPE_VALID 13
41 #define RECTYPE_FREE 254
47 int dirty; /* for now only used internal by functions */
48 struct trust_record *next; /* help pointer to build lists in memory */
51 struct { /* version record: */
52 byte version; /* should be 3 */
58 ulong created; /* timestamp of trustdb creation */
59 ulong nextcheck; /* timestamp of next scheduled check */
66 struct { /* free record */
70 ulong item[ITEMS_PER_HTBL_RECORD];
74 ulong rnum[ITEMS_PER_HLST_RECORD]; /* of another record */
92 typedef struct trust_record TRUSTREC;
95 int tdbio_update_version_record(void);
96 int tdbio_set_dbname( const char *new_dbname, int create, int *r_nofile);
97 const char *tdbio_get_dbname(void);
98 void tdbio_dump_record( TRUSTREC *rec, estream_t fp );
99 int tdbio_read_record( ulong recnum, TRUSTREC *rec, int expected );
100 int tdbio_write_record( TRUSTREC *rec );
101 int tdbio_db_matches_options(void);
102 byte tdbio_read_model(void);
103 ulong tdbio_read_nextcheck (void);
104 int tdbio_write_nextcheck (ulong stamp);
105 int tdbio_is_dirty(void);
106 int tdbio_sync(void);
107 int tdbio_begin_transaction(void);
108 int tdbio_end_transaction(void);
109 int tdbio_cancel_transaction(void);
110 int tdbio_delete_record( ulong recnum );
111 ulong tdbio_new_recnum(void);
112 gpg_error_t tdbio_search_trust_byfpr (const byte *fingerprint, TRUSTREC *rec);
113 gpg_error_t tdbio_search_trust_bypk (PKT_public_key *pk, TRUSTREC *rec);
115 void tdbio_how_to_fix (void);
116 void tdbio_invalid(void);
118 #endif /*G10_TDBIO_H*/