/*++ Copyright (c) 1992 Microsoft Corporation Module Name: brwan.c Abstract: This module contains WAN support routines used by the Browser service. Author: Larry Osterman (LarryO) 22-Nov-1992 Revision History: --*/ #include "precomp.h" #pragma hdrstop //-------------------------------------------------------------------// // // // Local function prototypes // // // //-------------------------------------------------------------------// NET_API_STATUS BrAddDomainEntry( IN PINTERIM_SERVER_LIST InterimServerList, IN LPTSTR ConfigEntry ); //-------------------------------------------------------------------// // // // Global variables // // // //-------------------------------------------------------------------// //-------------------------------------------------------------------// // // // Global routines // // // //-------------------------------------------------------------------// NET_API_STATUS NET_API_FUNCTION I_BrowserrQueryOtherDomains( IN BROWSER_IDENTIFY_HANDLE ServerName, IN OUT LPSERVER_ENUM_STRUCT InfoStruct, OUT LPDWORD TotalEntries ) /*++ Routine Description: This routine returns the list of "other domains" configured for this machine. It is only valid on primary domain controllers. If it is called on a machine that is not a PDC, it will return NERR_NotPrimary. Arguments: IN BROWSER_IDENTIFY_HANDLE ServerName - Ignored. IN LPSERVER_ENUM_STRUCT InfoStruct - Returns the list of other domains as a SERVER_INFO_100 structure. OUT LPDWORD TotalEntries - Returns the total number of other domains. Return Value: NET_API_STATUS - The status of this request. --*/ { NET_API_STATUS Status; PSERVER_INFO_100 ServerInfo; ULONG NumberOfOtherDomains; if ( InfoStruct == NULL ) { return ERROR_INVALID_PARAMETER; } if (InfoStruct->Level != 100) { return(ERROR_INVALID_LEVEL); } if ( InfoStruct->ServerInfo.Level100 == NULL ) { return ERROR_INVALID_PARAMETER; } // // Use the worker routine to do the actual work. // Status = BrQueryOtherDomains( &ServerInfo, &NumberOfOtherDomains ); if ( Status == NERR_Success ) { *TotalEntries = NumberOfOtherDomains; InfoStruct->ServerInfo.Level100->Buffer = ServerInfo; InfoStruct->ServerInfo.Level100->EntriesRead = NumberOfOtherDomains; } return Status; } NET_API_STATUS BrWanMasterInitialize( IN PNETWORK Network ) /*++ Routine Description: This routine initializes the wan information for a new master. --*/ { LPBYTE Buffer = NULL; PSERVER_INFO_100 ServerInfo; NET_API_STATUS Status; ULONG i; ULONG EntriesRead; ULONG TotalEntries; PDOMAIN_CONTROLLER_INFO pDcInfo=NULL; // // If we're on the PDC, then all our initialization has been done. // Or, if we're semi-pseudo server, we don't contact the PDC/BDC // #ifdef ENABLE_PSEUDO_BROWSER if ( (Network->Flags & NETWORK_PDC) || BrInfo.PseudoServerLevel == BROWSER_SEMI_PSEUDO_NO_DMB ) { #else if ( Network->Flags & NETWORK_PDC ) { #endif return NERR_Success; } Status = DsGetDcName( NULL, NULL, NULL, NULL, DS_PDC_REQUIRED | DS_BACKGROUND_ONLY | DS_RETURN_FLAT_NAME, &pDcInfo ); // // It is not an error to not be able to contact the PDC. // if (Status != NERR_Success) { return NERR_Success; } ASSERT ( pDcInfo && pDcInfo->DomainControllerName ); Status = I_BrowserQueryOtherDomains(pDcInfo->DomainControllerName, &Buffer, &EntriesRead, &TotalEntries); // // We don't need the PDC name any more. // NetApiBufferFree((LPVOID)pDcInfo); pDcInfo = NULL; if (Status != NERR_Success) { // // We failed to get the list from supposedly the PDC. // It could be that the role has changed & DsGetDcName's cache // hasn't got refreshed. // // Force PDC discovery so that next time around we're sure // to get the real PDC. // Status = DsGetDcName( NULL, NULL, NULL, NULL, DS_PDC_REQUIRED | DS_FORCE_REDISCOVERY | // Note FORCE option DS_RETURN_FLAT_NAME, &pDcInfo ); if (Status != NERR_Success) { return NERR_Success; } ASSERT ( pDcInfo && pDcInfo->DomainControllerName ); Status = I_BrowserQueryOtherDomains(pDcInfo->DomainControllerName, &Buffer, &EntriesRead, &TotalEntries); // // We don't need the PDC name any more. // NetApiBufferFree((LPVOID)pDcInfo); if (Status != NERR_Success) { return NERR_Success; } } if (!LOCK_NETWORK(Network)) { return NERR_InternalError; } try { PLIST_ENTRY Entry; PLIST_ENTRY NextEntry; // // Scan the other domains list and turn on the active bit for each // other domain. // for (Entry = Network->OtherDomainsList.Flink; Entry != &Network->OtherDomainsList ; Entry = Entry->Flink) { PNET_OTHER_DOMAIN OtherDomain = CONTAINING_RECORD(Entry, NET_OTHER_DOMAIN, Next); OtherDomain->Flags |= OTHERDOMAIN_INVALID; } ServerInfo = (PSERVER_INFO_100)Buffer; for (i = 0; i < EntriesRead; i++ ) { // // Add this as an other domain. // for (Entry = Network->OtherDomainsList.Flink; Entry != &Network->OtherDomainsList ; Entry = Entry->Flink) { PNET_OTHER_DOMAIN OtherDomain = CONTAINING_RECORD(Entry, NET_OTHER_DOMAIN, Next); // // If this name is in the other domains list, it's not invalid // and we should flag that we've seen the domain name. // // The list we're getting is over the net. Make sure serverinfo // contains a valid name for comparison (see bug 377078) // Skip processing if NULL. // If ServerInfo got NULLED out in prev run, we shouldn't // get into _wcsicmp. if (ServerInfo->sv100_name && !_wcsicmp(OtherDomain->Name, ServerInfo->sv100_name)) { OtherDomain->Flags &= ~OTHERDOMAIN_INVALID; ServerInfo->sv100_name = NULL; } } ServerInfo ++; } // // Scan the other domains list and remove any domains that are // still marked as invalid. // for (Entry = Network->OtherDomainsList.Flink; Entry != &Network->OtherDomainsList ; Entry = NextEntry) { PNET_OTHER_DOMAIN OtherDomain = CONTAINING_RECORD(Entry, NET_OTHER_DOMAIN, Next); if (OtherDomain->Flags & OTHERDOMAIN_INVALID) { NextEntry = Entry->Flink; // // Remove this entry from the list. // RemoveEntryList(Entry); BrRemoveOtherDomain(Network, OtherDomain->Name); MIDL_user_free(OtherDomain); } else { NextEntry = Entry->Flink; } } // // Now scan the domain list from the PDC and add any entries that // weren't there already. // ServerInfo = (PSERVER_INFO_100)Buffer; for (i = 0; i < EntriesRead; i++ ) { if (ServerInfo->sv100_name != NULL) { PNET_OTHER_DOMAIN OtherDomain = MIDL_user_allocate(sizeof(NET_OTHER_DOMAIN)); if (OtherDomain != NULL) { Status = BrAddOtherDomain(Network, ServerInfo->sv100_name); // // If we were able to add the other domain, add it to our // internal structure. // if (Status == NERR_Success) { wcscpy(OtherDomain->Name, ServerInfo->sv100_name); OtherDomain->Flags = 0; InsertHeadList(&Network->OtherDomainsList, &OtherDomain->Next); } else { LPWSTR SubString[1]; SubString[0] = ServerInfo->sv100_name; BrLogEvent(EVENT_BROWSER_OTHERDOMAIN_ADD_FAILED, Status, 1, SubString); } } } ServerInfo ++; } } finally { UNLOCK_NETWORK(Network); if (Buffer != NULL) { MIDL_user_free(Buffer); } } return NERR_Success; }