Author: idra Date: 2007-05-21 20:41:50 +0000 (Mon, 21 May 2007) New Revision: 23049
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=23049 Log: Short circuit Unix Users and Unix Groups Domain SID checks. Do not cache to avoid polluting the uid -> Sid cache Modified: branches/SAMBA_3_0_25/source/passdb/lookup_sid.c Changeset: Modified: branches/SAMBA_3_0_25/source/passdb/lookup_sid.c =================================================================== --- branches/SAMBA_3_0_25/source/passdb/lookup_sid.c 2007-05-21 20:36:22 UTC (rev 23048) +++ branches/SAMBA_3_0_25/source/passdb/lookup_sid.c 2007-05-21 20:41:50 UTC (rev 23049) @@ -1380,6 +1380,7 @@ BOOL sid_to_uid(const DOM_SID *psid, uid_t *puid) { + uint32 rid; gid_t gid; if (fetch_uid_from_cache(puid, psid)) @@ -1389,6 +1390,18 @@ return False; } + /* Optimize for the Unix Users Domain + * as the conversion is straightforward */ + if (sid_peek_check_rid(&global_sid_Unix_Users, psid, &rid)) { + uid_t uid = rid; + *puid = uid; + + /* return here, don't cache */ + DEBUG(10,("sid %s -> uid %u\n", sid_string_static(psid), + (unsigned int)*puid )); + return True; + } + if (!winbind_sid_to_uid(puid, psid)) { if (!winbind_ping()) { return legacy_sid_to_uid(psid, puid); @@ -1416,6 +1429,7 @@ BOOL sid_to_gid(const DOM_SID *psid, gid_t *pgid) { + uint32 rid; uid_t uid; if (fetch_gid_from_cache(pgid, psid)) @@ -1424,6 +1438,18 @@ if (fetch_uid_from_cache(&uid, psid)) return False; + /* Optimize for the Unix Groups Domain + * as the conversion is straightforward */ + if (sid_peek_check_rid(&global_sid_Unix_Groups, psid, &rid)) { + gid_t gid = rid; + *pgid = gid; + + /* return here, don't cache */ + DEBUG(10,("sid %s -> gid %u\n", sid_string_static(psid), + (unsigned int)*pgid )); + return True; + } + /* Ask winbindd if it can map this sid to a gid. * (Idmap will check it is a valid SID and of the right type) */
