CacheLookupResults CleanupSidCacheMgr CreateSidCacheMgr DequeueSidLookup DereferenceSidCacheMgr DereferenceSidReqResult DestroySidCacheMgr FindSidInCache FreeCacheEntry FreeQueueEntry HandleToScm LookupSidCache LookupSidInformation LookupThreadProc NDEBUG OpenLSAPolicyHandle QueueSidLookup ReferenceSidCacheMgr ReferenceSidReqResult ScmToHandle

BOOL LookupSidCache ( IN HANDLE  SidCacheMgr, IN PSID  pSid, IN PSIDREQCOMPLETIONPROC  CompletionProc, IN PVOID  Context  ) Definition at line 871 of file sidcache.c. Referenced by AddPrincipalToList(), and ReloadPrincipalsList(). { BOOL Found = FALSE; PSIDREQRESULT ReqResult = NULL; PSIDCACHEMGR scm; scm = ReferenceSidCacheMgr(SidCacheMgr); if (scm != NULL) { EnterCriticalSection(&scm->Lock); /* search the cache */ Found = FindSidInCache(scm, pSid, &ReqResult); if (!Found) { /* the sid is not in the cache, queue it if not already queued */ if (!QueueSidLookup(scm, pSid, CompletionProc, Context)) { PSIDREQRESULT FoundReqResult = NULL; /* unable to queue it, look it up now */ LeaveCriticalSection(&scm->Lock); /* lookup everything we need */ if (!LookupSidInformation(scm, pSid, &ReqResult)) { ReqResult = NULL; } EnterCriticalSection(&scm->Lock); /* see if the SID was added to the cache in the meanwhile */ if (!FindSidInCache(scm, pSid, &FoundReqResult)) { if (ReqResult != NULL) { /* cache the results */ CacheLookupResults(scm, pSid, ReqResult); } } else { if (ReqResult != NULL) { /* free the information of our lookup and use the cached information*/ DereferenceSidReqResult(scm, ReqResult); } ReqResult = FoundReqResult; } Found = (ReqResult != NULL); } } LeaveCriticalSection(&scm->Lock); /* call the completion callback */ if (Found) { CompletionProc(SidCacheMgr, pSid, ReqResult, Context); if (ReqResult != NULL) { HeapFree(scm->Heap, 0, ReqResult); } } DereferenceSidCacheMgr(scm); } return Found; }