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gpg: Allow building without any trust model support.

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* configure.ac: Add option --disable-trust-models
(NO_TRUST_MODELS): New ac_define and am_conditional.
* g10/Makefile.am (trust_source): New.
(gpg2_SOURCES): Factor some files out to above.  Add trust.c.
* g10/gpg.c [NO_TRUST_MODELS]: Disable options --export-ownertrust,
--import-ownertrust, --update-trustdb, --check-trustdb, --fix-trustdb,
--list-trustdb, --trustdb-name, --auto-check-trustdb,
--no-auto-check-trustdb, and --force-ownertrust.
(parse_trust_model) [NO_TRUST_MODELS]: Do not build.
(main) [NO_TRUST_MODELS]: Set trust_model to always and exclude all
trustdb related option code.
* g10/keyedit.c (cmds) [NO_TRUST_MODELS]: Remove menu items "trust",
"enable", and "disable".
* g10/keylist.c (public_key_list) [NO_TRUST_MODELS]: Do not print
"tru" record.

* g10/trust.c: New.
* g10/trustdb.c (struct key_item): Move to trustdb.h.
(register_trusted_keyid): Rename to tdb_register_trusted_keyid.
(register_trusted_key): Rename to tdb_register_trusted_key.
(trust_letter, uid_trust_string_fixed, trust_value_to_string)
(string_to_trust_value, get_ownertrust_with_min, get_ownertrust_info)
(get_ownertrust_string, get_validity_info, get_validity_string)
(clean_sigs_from_uid, clean_uid_from_key, clean_key): Move to trust.c.
(mark_usable_uid_certs): Move to trust.c and make global.
(is_in_klist): Move as inline to trustdb.h.
(trustdb_check_or_update): Rename to tdb_check_or_update
(revalidation_mark): Rename to tdb_revalidation_mark.
(get_ownertrust): Rename to tdb_get_ownertrust.
(get_min_ownertrust): Rename to tdb_get_min_ownertrust.
(update_ownertrust): Rename to tdb_update_ownertrust.
(clear_ownertrusts): Rename to tdb_clear_ownertrusts.
(cache_disabled_value): Rename to tdb_cache_disabled_value.
(check_trustdb_stale): Rename to tdb_check_trustdb_stale.
(get_validity): Rename to tdb_get_validity_core, add arg MAIN_PK and
factor some code out to ...
* trust.c (get_validity): ...new.
(check_or_update_trustdb): New wrapper.
(revalidation_mark): New wrapper.
(get_ownertrust): New wrapper.
(get_ownertrust_with_min): New wrapper.
(update_ownertrust): New wrapper.
(clear_ownertrusts): New wrapper.
(cache_disabled_value): New wrapper.
(check_trustdb_stale): New wrapper.

* tests/openpgp/defs.inc (opt_always): New.  Use in all tests instead
of --always-trust.
This commit is contained in:
Werner Koch 2014-02-10 17:05:54 +01:00
parent ea7f895319
commit 62fb86c658
23 changed files with 960 additions and 650 deletions
Download patch file Download diff file Expand all files Collapse all files

98
g10/trustdb.h
View file

@ -38,30 +38,89 @@
#define NAMEHASH_LEN 20
/*
* A structure to store key identification as well as some stuff needed
* for validation
*/
struct key_item {
struct key_item *next;
unsigned int ownertrust,min_ownertrust;
byte trust_depth;
byte trust_value;
char *trust_regexp;
u32 kid[2];
};
/*
* Check whether the signature SIG is in the klist K.
*/
static inline struct key_item *
is_in_klist (struct key_item *k, PKT_signature *sig)
{
for (; k; k = k->next)
{
if (k->kid[0] == sig->keyid[0] && k->kid[1] == sig->keyid[1])
return k;
}
return NULL;
}
/*-- trust.c --*/
int cache_disabled_value (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 (PKT_public_key *key, PKT_user_id *uid);
unsigned int get_ownertrust (PKT_public_key *pk);
void update_ownertrust (PKT_public_key *pk, unsigned int new_trust);
int clear_ownertrusts (PKT_public_key *pk);
void revalidation_mark (void);
void check_trustdb_stale (void);
void check_or_update_trustdb (void);
unsigned int get_validity (PKT_public_key *pk, PKT_user_id *uid);
int get_validity_info (PKT_public_key *pk, PKT_user_id *uid);
const char *get_validity_string (PKT_public_key *pk, PKT_user_id *uid);
void mark_usable_uid_certs (kbnode_t keyblock, kbnode_t uidnode,
u32 *main_kid, struct key_item *klist,
u32 curtime, u32 *next_expire);
void clean_one_uid (kbnode_t keyblock, kbnode_t uidnode,
int noisy, int self_only,
int *uids_cleaned, int *sigs_cleaned);
void clean_key (kbnode_t keyblock, int noisy, int self_only,
int *uids_cleaned,int *sigs_cleaned);
/*-- trustdb.c --*/
void register_trusted_keyid(u32 *keyid);
void register_trusted_key( const char *string );
void tdb_register_trusted_keyid (u32 *keyid);
void tdb_register_trusted_key (const char *string);
void check_trustdb (void);
void update_trustdb (void);
int setup_trustdb( int level, const char *dbname );
void how_to_fix_the_trustdb (void);
void init_trustdb( void );
void check_trustdb_stale(void);
void tdb_check_trustdb_stale (void);
void sync_trustdb( void );
const char *uid_trust_string_fixed(PKT_public_key *key,PKT_user_id *uid);
const char *trust_value_to_string (unsigned int value);
int string_to_trust_value (const char *str);
void revalidation_mark (void);
void tdb_revalidation_mark (void);
int trustdb_pending_check(void);
void trustdb_check_or_update(void);
void tdb_check_or_update (void);
int cache_disabled_value(PKT_public_key *pk);
int tdb_cache_disabled_value (PKT_public_key *pk);
unsigned int get_validity (PKT_public_key *pk, PKT_user_id *uid);
int get_validity_info (PKT_public_key *pk, PKT_user_id *uid);
const char *get_validity_string (PKT_public_key *pk, PKT_user_id *uid);
unsigned int tdb_get_validity_core (PKT_public_key *pk, PKT_user_id *uid,
PKT_public_key *main_pk);
void list_trust_path( const char *username );
int enum_cert_paths( void **context, ulong *lid,
@ -73,18 +132,13 @@ void read_trust_options(byte *trust_model,ulong *created,ulong *nextcheck,
byte *marginals,byte *completes,byte *cert_depth,
byte *min_cert_level);
unsigned int get_ownertrust (PKT_public_key *pk);
unsigned int get_min_ownertrust (PKT_public_key *pk);
unsigned int tdb_get_ownertrust (PKT_public_key *pk);
unsigned int tdb_get_min_ownertrust (PKT_public_key *pk);
int get_ownertrust_info (PKT_public_key *pk);
const char *get_ownertrust_string (PKT_public_key *pk);
void update_ownertrust (PKT_public_key *pk, unsigned int new_trust );
int clear_ownertrusts (PKT_public_key *pk);
void clean_one_uid(KBNODE keyblock,KBNODE uidnode,int noisy,int self_only,
int *uids_cleaned,int *sigs_cleaned);
void clean_key(KBNODE keyblock,int noisy,int self_only,
int *uids_cleaned,int *sigs_cleaned);
void tdb_update_ownertrust (PKT_public_key *pk, unsigned int new_trust);
int tdb_clear_ownertrusts (PKT_public_key *pk);
/*-- tdbdump.c --*/
void list_trustdb(const char *username);