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Diffstat (limited to 'g10/tdbio.h')
| -rw-r--r-- | g10/tdbio.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/g10/tdbio.h b/g10/tdbio.h new file mode 100644 index 0000000..9452d76 --- /dev/null +++ b/g10/tdbio.h @@ -0,0 +1,122 @@ +/* tdbio.h - Trust database I/O functions + * Copyright (C) 1998, 1999, 2000, 2001, 2002, 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_TDBIO_H +#define G10_TDBIO_H + +#include "../common/host2net.h" + +#define TRUST_RECORD_LEN 40 +#define SIGS_PER_RECORD ((TRUST_RECORD_LEN-10)/5) +#define ITEMS_PER_HTBL_RECORD ((TRUST_RECORD_LEN-2)/4) +#define ITEMS_PER_HLST_RECORD ((TRUST_RECORD_LEN-6)/5) +#define ITEMS_PER_PREF_RECORD (TRUST_RECORD_LEN-10) +#if ITEMS_PER_PREF_RECORD % 2 +#error ITEMS_PER_PREF_RECORD must be even +#endif +#define MAX_LIST_SIGS_DEPTH 20 + + +#define RECTYPE_VER 1 +#define RECTYPE_HTBL 10 +#define RECTYPE_HLST 11 +#define RECTYPE_TRUST 12 +#define RECTYPE_VALID 13 +#define RECTYPE_FREE 254 + + +struct trust_record { + int rectype; + int mark; + int dirty; /* for now only used internal by functions */ + struct trust_record *next; /* help pointer to build lists in memory */ + ulong recnum; + union { + struct { /* version record: */ + byte version; /* should be 3 */ + byte marginals; + byte completes; + byte cert_depth; + byte trust_model; + byte min_cert_level; + ulong created; /* timestamp of trustdb creation */ + ulong nextcheck; /* timestamp of next scheduled check */ + ulong reserved; + ulong reserved2; + ulong firstfree; + ulong reserved3; + ulong trusthashtbl; + } ver; + struct { /* free record */ + ulong next; + } free; + struct { + ulong item[ITEMS_PER_HTBL_RECORD]; + } htbl; + struct { + ulong next; + ulong rnum[ITEMS_PER_HLST_RECORD]; /* of another record */ + } hlst; + struct { + byte fingerprint[20]; + byte ownertrust; + byte depth; + ulong validlist; + byte min_ownertrust; + byte flags; + } trust; + struct { + byte namehash[20]; + ulong next; + byte validity; + byte full_count; + byte marginal_count; + } valid; + } r; +}; +typedef struct trust_record TRUSTREC; + +/*-- tdbio.c --*/ +int tdbio_update_version_record (ctrl_t ctrl); +int tdbio_set_dbname (ctrl_t ctrl, const char *new_dbname, + int create, int *r_nofile); +const char *tdbio_get_dbname(void); +void tdbio_dump_record( TRUSTREC *rec, estream_t fp ); +int tdbio_read_record( ulong recnum, TRUSTREC *rec, int expected ); +int tdbio_write_record (ctrl_t ctrl, TRUSTREC *rec); +int tdbio_db_matches_options(void); +byte tdbio_read_model(void); +ulong tdbio_read_nextcheck (void); +int tdbio_write_nextcheck (ctrl_t ctrl, ulong stamp); +int tdbio_is_dirty(void); +int tdbio_sync(void); +int tdbio_begin_transaction(void); +int tdbio_end_transaction(void); +int tdbio_cancel_transaction(void); +int tdbio_delete_record (ctrl_t ctrl, ulong recnum); +ulong tdbio_new_recnum (ctrl_t ctrl); +gpg_error_t tdbio_search_trust_byfpr (ctrl_t ctrl, const byte *fingerprint, + TRUSTREC *rec); +gpg_error_t tdbio_search_trust_bypk (ctrl_t ctrl, PKT_public_key *pk, + TRUSTREC *rec); + +void tdbio_how_to_fix (void); +void tdbio_invalid(void); + +#endif /*G10_TDBIO_H*/ |