diff options
Diffstat (limited to 'source3/passdb/pdb_interface.c')
| -rw-r--r-- | source3/passdb/pdb_interface.c | 53 |
1 files changed, 26 insertions, 27 deletions
diff --git a/source3/passdb/pdb_interface.c b/source3/passdb/pdb_interface.c index 2102b579ec..0ab45bafc3 100644 --- a/source3/passdb/pdb_interface.c +++ b/source3/passdb/pdb_interface.c @@ -25,10 +25,6 @@ #undef DBGC_CLASS #define DBGC_CLASS DBGC_PASSDB -/* Cache of latest SAM lookup query */ - -static struct samu *csamuser = NULL; - static_decl_pdb; static struct pdb_init_function_entry *backends = NULL; @@ -211,25 +207,29 @@ static struct pdb_methods *pdb_get_methods(void) bool pdb_getsampwnam(struct samu *sam_acct, const char *username) { struct pdb_methods *pdb = pdb_get_methods(); + struct samu *cache_copy; + const struct dom_sid *user_sid; if (!NT_STATUS_IS_OK(pdb->getsampwnam(pdb, sam_acct, username))) { return False; } - if ( csamuser ) { - TALLOC_FREE(csamuser); - } - - csamuser = samu_new( NULL ); - if (!csamuser) { + cache_copy = samu_new(NULL); + if (cache_copy == NULL) { return False; } - if (!pdb_copy_sam_account(csamuser, sam_acct)) { - TALLOC_FREE(csamuser); + if (!pdb_copy_sam_account(cache_copy, sam_acct)) { + TALLOC_FREE(cache_copy); return False; } + user_sid = pdb_get_user_sid(cache_copy); + + memcache_add_talloc(NULL, PDB_GETPWSID_CACHE, + data_blob_const(user_sid, sizeof(*user_sid)), + cache_copy); + return True; } @@ -262,6 +262,7 @@ bool pdb_getsampwsid(struct samu *sam_acct, const DOM_SID *sid) { struct pdb_methods *pdb = pdb_get_methods(); uint32 rid; + void *cache_data; /* hard code the Guest RID of 501 */ @@ -274,9 +275,16 @@ bool pdb_getsampwsid(struct samu *sam_acct, const DOM_SID *sid) } /* check the cache first */ - - if ( csamuser && sid_equal(sid, pdb_get_user_sid(csamuser) ) ) - return pdb_copy_sam_account(sam_acct, csamuser); + + cache_data = memcache_lookup_talloc( + NULL, PDB_GETPWSID_CACHE, data_blob_const(sid, sizeof(*sid))); + + if (cache_data != NULL) { + struct samu *cache_copy = talloc_get_type_abort( + cache_data, struct samu); + + return pdb_copy_sam_account(sam_acct, cache_copy); + } return NT_STATUS_IS_OK(pdb->getsampwsid(pdb, sam_acct, sid)); } @@ -471,10 +479,7 @@ NTSTATUS pdb_update_sam_account(struct samu *sam_acct) { struct pdb_methods *pdb = pdb_get_methods(); - if (csamuser != NULL) { - TALLOC_FREE(csamuser); - csamuser = NULL; - } + memcache_flush(NULL, PDB_GETPWSID_CACHE); return pdb->update_sam_account(pdb, sam_acct); } @@ -483,10 +488,7 @@ NTSTATUS pdb_delete_sam_account(struct samu *sam_acct) { struct pdb_methods *pdb = pdb_get_methods(); - if (csamuser != NULL) { - TALLOC_FREE(csamuser); - csamuser = NULL; - } + memcache_flush(NULL, PDB_GETPWSID_CACHE); return pdb->delete_sam_account(pdb, sam_acct); } @@ -497,10 +499,7 @@ NTSTATUS pdb_rename_sam_account(struct samu *oldname, const char *newname) uid_t uid; NTSTATUS status; - if (csamuser != NULL) { - TALLOC_FREE(csamuser); - csamuser = NULL; - } + memcache_flush(NULL, PDB_GETPWSID_CACHE); /* sanity check to make sure we don't rename root */ |