/********************************************************************/ /** Copyright(c) 1989 Microsoft Corporation. **/ /********************************************************************/ //*** // // Filename: init.c // // Description: This module contains all the code to initialize the PPP // engine. // // History: // Nov 11,1993. NarenG Created original version. // #include #include #include // needed for winbase.h #include // Win32 base API's #include #include #include #include #include #include #include #include #include #include #include #include #define _ALLOCATE_GLOBALS_ #include #include #include #include #include #include #include #include #define __NOT_INCLUDE_OpenRAS_IASProfileDlg__ #include #define ALLOC_BLTINCPS_GLOBALS #include // AFP Server Service registry parameter structure // typedef struct _PPP_REGISTRY_PARAMS { LPSTR pszValueName; DWORD * pValue; DWORD Max; DWORD dwDefValue; } PPP_REGISTRY_PARAMS, *PPPP_REGISTRY_PARAMS; PPP_REGISTRY_PARAMS PppRegParams[] = { RAS_VALUENAME_MAXTERMINATE, &(PppConfigInfo.MaxTerminate), 255, PPP_DEF_MAXTERMINATE, RAS_VALUENAME_MAXCONFIGURE, &(PppConfigInfo.MaxConfigure), 255, PPP_DEF_MAXCONFIGURE, RAS_VALUENAME_MAXFAILURE, &(PppConfigInfo.MaxFailure), 255, PPP_DEF_MAXFAILURE, RAS_VALUENAME_MAXREJECT, &(PppConfigInfo.MaxReject), 255, PPP_DEF_MAXREJECT, RAS_VALUENAME_RESTARTTIMER, &(PppConfigInfo.DefRestartTimer), 0xFFFFFFFF, PPP_DEF_RESTARTTIMER, RAS_VALUENAME_NEGOTIATETIME, &(PppConfigInfo.NegotiateTime), 0xFFFFFFFF, PPP_DEF_NEGOTIATETIME, RAS_VALUENAME_CALLBACKDELAY, &(PppConfigInfo.dwCallbackDelay), 255, PPP_DEF_CALLBACKDELAY, RAS_VALUENAME_PORTLIMIT, &(PppConfigInfo.dwDefaultPortLimit), 0xFFFFFFFF, PPP_DEF_PORTLIMIT, RAS_VALUENAME_SESSIONTIMEOUT, &(PppConfigInfo.dwDefaultSessionTimeout), 0xFFFFFFFF, PPP_DEF_SESSIONTIMEOUT, RAS_VALUENAME_IDLETIMEOUT, &(PppConfigInfo.dwDefaulIdleTimeout), 0xFFFFFFFF, PPP_DEF_IDLETIMEOUT, RAS_VALUENAME_BAPTHRESHOLD, &(PppConfigInfo.dwHangupExtraPercent), 100, RAS_DEF_BAPLINEDNLIMIT, RAS_VALUENAME_BAPTIME, &(PppConfigInfo.dwHangUpExtraSampleSeconds), 0xFFFFFFFF, RAS_DEF_BAPLINEDNTIME, RAS_VALUENAME_BAPLISTENTIME, &(PppConfigInfo.dwBapListenTimeoutSeconds), 0xFFFFFFFF, PPP_DEF_BAPLISTENTIME, RAS_VALUENAME_UNKNOWNPACKETTRACESIZE, &(PppConfigInfo.dwUnknownPacketTraceSize), 0xFFFFFFFF, PPP_DEF_UNKNOWNPACKETTRACESIZE, RAS_ECHO_REQUEST_INTERVAL, &(PppConfigInfo.dwLCPEchoTimeInterval), 0xFFFFFFFF, PPP_DEF_ECHO_REQUEST_INTERVAL, //Default of 60 seconds RAS_ECHO_REQUEST_IDLE, &(PppConfigInfo.dwIdleBeforeEcho), 0xFFFFFFFF, PPP_DEF_ECHO_REQUEST_IDLE, //Default of 300 seconds RAS_ECHO_NUM_MISSED_ECHOS, &(PppConfigInfo.dwNumMissedEchosBeforeDisconnect), 0xFFFFFFFF, PPP_DEF_ECHO_NUM_MISSED_ECHOS, //Default of 3 tries RAS_DONTNEGOTIATE_MULTILINKONSINGLELINK, &(PppConfigInfo.dwDontNegotiateMultiLinkOnSingleLink), 0xFFFFFFFF, 0, NULL, NULL, 0, 0 }; static DLL_ENTRY_POINTS * pCpDlls = (DLL_ENTRY_POINTS*)NULL; HANDLE HInstDLL; //** // // Call: LoadProtocolDlls // // Returns: NO_ERROR - Success // non-zero code - Failure // // Description: This procedure enumerates all the Subkeys under the PPP key // and loads each AP or CP and fills up the DLL_ENTRY_POINTS // structure with the required entry points. It also will return // the total number of protocols in all the Dlls. Note that each // DLL could have up to PPPCP_MAXCPSPERDLL protocols. // DWORD LoadProtocolDlls( IN DLL_ENTRY_POINTS * pCpDlls, IN DWORD cCpDlls, IN HKEY hKeyProtocols, OUT DWORD * pcTotalNumProtocols ) { HKEY hKeyCp = (HKEY)NULL; LPSTR pCpDllPath = (LPSTR)NULL; LPSTR pCpDllExpandedPath = (LPSTR)NULL; DWORD dwKeyIndex; DWORD dwRetCode; CHAR chSubKeyName[100]; DWORD cbSubKeyName; DWORD dwNumSubKeys; DWORD dwMaxSubKeySize; DWORD dwNumValues; DWORD cbMaxValNameLen; DWORD cbMaxValueDataSize; DWORD dwSecDescLen; DWORD ProtocolIds[PPPCP_MAXCPSPERDLL]; DWORD dwNumProtocolIds; FARPROC pRasCpEnumProtocolIds; FARPROC pRasCpGetInfo; DWORD cbSize; DWORD dwType; HINSTANCE hInstance; // // Read the registry to find out the various control protocols to load. // for ( dwKeyIndex = 0; dwKeyIndex < cCpDlls; dwKeyIndex++ ) { cbSubKeyName = sizeof( chSubKeyName ); dwRetCode = RegEnumKeyEx( hKeyProtocols, dwKeyIndex, chSubKeyName, &cbSubKeyName, NULL, NULL, NULL, NULL ); if ( ( dwRetCode != NO_ERROR ) && ( dwRetCode != ERROR_MORE_DATA ) && ( dwRetCode != ERROR_NO_MORE_ITEMS ) ) { PppLogErrorString(ROUTERLOG_CANT_ENUM_REGKEYVALUES,0, NULL,dwRetCode,0); break; } dwRetCode = RegOpenKeyEx( hKeyProtocols, chSubKeyName, 0, KEY_QUERY_VALUE, &hKeyCp ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString(ROUTERLOG_CANT_OPEN_PPP_REGKEY,0,NULL, dwRetCode,0); break; } // // Find out the size of the path value. // dwRetCode = RegQueryInfoKey( hKeyCp, NULL, NULL, NULL, &dwNumSubKeys, &dwMaxSubKeySize, NULL, &dwNumValues, &cbMaxValNameLen, &cbMaxValueDataSize, NULL, NULL ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString(ROUTERLOG_CANT_OPEN_PPP_REGKEY,0,NULL, dwRetCode,0); break; } // // Allocate space for path and add one for NULL terminator // pCpDllPath = (LPBYTE)LOCAL_ALLOC( LPTR, ++cbMaxValueDataSize ); if ( pCpDllPath == (LPBYTE)NULL ) { dwRetCode = GetLastError(); PppLogError( ROUTERLOG_NOT_ENOUGH_MEMORY, 0, NULL, dwRetCode); break; } // // Read in the path // dwRetCode = RegQueryValueEx( hKeyCp, RAS_VALUENAME_PATH, NULL, &dwType, pCpDllPath, &cbMaxValueDataSize ); if ( dwRetCode != NO_ERROR ) { PppLogError(ROUTERLOG_CANT_GET_REGKEYVALUES, 0, NULL, dwRetCode ); break; } if ( ( dwType != REG_EXPAND_SZ ) && ( dwType != REG_SZ ) ) { dwRetCode = ERROR_REGISTRY_CORRUPT; PppLogError( ROUTERLOG_CANT_GET_REGKEYVALUES, 0, NULL, dwRetCode ); break; } // // Replace the %SystemRoot% with the actual path. // cbSize = ExpandEnvironmentStrings( pCpDllPath, NULL, 0 ); if ( cbSize == 0 ) { dwRetCode = GetLastError(); PppLogError( ROUTERLOG_CANT_GET_REGKEYVALUES, 0, NULL, dwRetCode ); break; } pCpDllExpandedPath = (LPSTR)LOCAL_ALLOC( LPTR, ++cbSize ); if ( pCpDllExpandedPath == (LPSTR)NULL ) { dwRetCode = GetLastError(); PppLogError( ROUTERLOG_NOT_ENOUGH_MEMORY, 0, NULL, dwRetCode); break; } cbSize = ExpandEnvironmentStrings( pCpDllPath, pCpDllExpandedPath, cbSize ); if ( cbSize == 0 ) { dwRetCode = GetLastError(); PppLogError(ROUTERLOG_CANT_GET_REGKEYVALUES,0,NULL,dwRetCode); break; } hInstance = LoadLibrary( pCpDllExpandedPath ); if ( hInstance == (HINSTANCE)NULL ) { dwRetCode = GetLastError(); PppLogErrorString( ROUTERLOG_PPP_CANT_LOAD_DLL,1, &pCpDllExpandedPath,dwRetCode, 1); break; } pRasCpEnumProtocolIds = GetProcAddress( hInstance, "RasCpEnumProtocolIds" ); if ( pRasCpEnumProtocolIds == (FARPROC)NULL ) { dwRetCode = GetLastError(); PppLogErrorString( ROUTERLOG_PPPCP_DLL_ERROR, 1, &pCpDllExpandedPath, dwRetCode, 1); break; } pCpDlls[dwKeyIndex].pRasCpEnumProtocolIds = pRasCpEnumProtocolIds; dwRetCode = (DWORD) (*pRasCpEnumProtocolIds)( ProtocolIds, &dwNumProtocolIds ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString(ROUTERLOG_PPPCP_DLL_ERROR, 1, &pCpDllExpandedPath, dwRetCode, 1); break; } (*pcTotalNumProtocols) += dwNumProtocolIds; pRasCpGetInfo = GetProcAddress( hInstance, "RasCpGetInfo" ); if ( pRasCpGetInfo == (FARPROC)NULL ) { dwRetCode = GetLastError(); PppLogErrorString(ROUTERLOG_PPPCP_DLL_ERROR, 1, &pCpDllExpandedPath, dwRetCode, 1); break; } pCpDlls[dwKeyIndex].pRasCpGetInfo = pRasCpGetInfo; RegCloseKey( hKeyCp ); hKeyCp = (HKEY)NULL; pCpDlls[dwKeyIndex].pszModuleName = pCpDllExpandedPath; pCpDlls[dwKeyIndex].hInstance = hInstance; if ( NULL != pCpDllPath ) LOCAL_FREE( pCpDllPath ); pCpDllPath = (LPSTR)NULL; } if ( hKeyCp != (HKEY)NULL ) RegCloseKey( hKeyCp ); if ( pCpDllPath != (LPSTR)NULL ) LOCAL_FREE( pCpDllPath ); return( dwRetCode ); } //** // // Call: ReadPPPKeyValues // // Returns: NO_ERROR - Success // Non-zero - Failure // // Description: Will read in all the values in the PPP key. // DWORD ReadPPPKeyValues( IN HKEY hKeyPpp ) { DWORD dwIndex; DWORD dwRetCode; DWORD cbValueBuf; DWORD dwType; // // Run through and get all the PPP values // for ( dwIndex = 0; PppRegParams[dwIndex].pszValueName != NULL; dwIndex++ ) { cbValueBuf = sizeof( DWORD ); dwRetCode = RegQueryValueEx( hKeyPpp, PppRegParams[dwIndex].pszValueName, NULL, &dwType, (LPBYTE)(PppRegParams[dwIndex].pValue), &cbValueBuf ); if ((dwRetCode != NO_ERROR) && (dwRetCode != ERROR_FILE_NOT_FOUND)) { PppLogError(ROUTERLOG_CANT_GET_REGKEYVALUES,0,NULL,dwRetCode); break; } if ( dwRetCode == ERROR_FILE_NOT_FOUND ) { *(PppRegParams[dwIndex].pValue) = PppRegParams[dwIndex].dwDefValue; dwRetCode = NO_ERROR; } else { if ( ( dwType != REG_DWORD ) || ( *(PppRegParams[dwIndex].pValue) > PppRegParams[dwIndex].Max)) { CHAR * pChar = PppRegParams[dwIndex].pszValueName; PppLogWarning(ROUTERLOG_REGVALUE_OVERIDDEN, 1,&pChar); *(PppRegParams[dwIndex].pValue) = PppRegParams[dwIndex].dwDefValue; } } } if ( dwRetCode != NO_ERROR ) { return( ERROR_REGISTRY_CORRUPT ); } // // If value is zero use defaults. // if ( PppConfigInfo.MaxTerminate == 0 ) { PppConfigInfo.MaxTerminate = PPP_DEF_MAXTERMINATE; } if ( PppConfigInfo.MaxFailure == 0 ) { PppConfigInfo.MaxFailure = PPP_DEF_MAXFAILURE; } if ( PppConfigInfo.MaxConfigure == 0 ) { PppConfigInfo.MaxConfigure = PPP_DEF_MAXCONFIGURE; } if ( PppConfigInfo.MaxReject == 0 ) { PppConfigInfo.MaxReject = PPP_DEF_MAXREJECT; } // // Really the number for request retries so subtract one. // PppConfigInfo.MaxTerminate--; PppConfigInfo.MaxConfigure--; return( NO_ERROR ); } //** // // Call: ReadRegistryInfo // // Returns: NO_ERROR - Success // non-zero WIN32 error - failure // // Description: Will read all PPP information in the registry. Will load the // control and authentication protocol dlls and // initialze the CpTable with information about the protocols. // DWORD ReadRegistryInfo( OUT HKEY * phKeyPpp ) { HKEY hKeyProtocols = (HKEY)NULL; DWORD dwNumSubKeys = 0; DWORD dwMaxSubKeySize; DWORD dwNumValues; DWORD cbMaxValNameLen; DWORD cbMaxValueDataSize; DWORD dwSecDescLen; FILETIME LastWrite; DWORD dwRetCode; DWORD ProtocolIds[PPPCP_MAXCPSPERDLL]; DWORD dwNumProtocolIds; DWORD cTotalNumProtocols = 0; PPPCP_ENTRY CpEntry; DWORD dwIndex; DWORD cbValueBuf; DWORD dwType; DWORD dwValue; do { dwRetCode = RegOpenKeyEx( HKEY_LOCAL_MACHINE, RAS_KEYPATH_PPP, 0, KEY_READ, phKeyPpp ); if ( dwRetCode != NO_ERROR) { PppLogErrorString(ROUTERLOG_CANT_OPEN_PPP_REGKEY,0,NULL, dwRetCode,0); break; } dwRetCode = RegOpenKeyEx( HKEY_LOCAL_MACHINE, RAS_KEYPATH_PROTOCOLS, 0, KEY_READ, &hKeyProtocols ); if ( dwRetCode != NO_ERROR) { PppLogErrorString(ROUTERLOG_CANT_OPEN_PPP_REGKEY,0,NULL, dwRetCode,0); break; } // // Find out how many sub-keys or dlls there are // dwRetCode = RegQueryInfoKey( hKeyProtocols, NULL, NULL, NULL, &dwNumSubKeys, &dwMaxSubKeySize, NULL, &dwNumValues, &cbMaxValNameLen, &cbMaxValueDataSize, NULL, NULL ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString(ROUTERLOG_CANT_OPEN_PPP_REGKEY,0, NULL,dwRetCode,0); break; } // // Cannot have no APs or NCPs // if ( dwNumSubKeys == 0 ) { PppLogError( ROUTERLOG_NO_AUTHENTICATION_CPS, 0, NULL, 0 ); dwRetCode = ERROR_REGISTRY_CORRUPT; break; } dwRetCode = ReadPPPKeyValues( *phKeyPpp ); if ( dwRetCode != NO_ERROR ) { break; } LoadParserDll( PppConfigInfo.hKeyPpp ); // // Allocate space to hold entry points for all the CP dlls // pCpDlls = (DLL_ENTRY_POINTS*)LOCAL_ALLOC( LPTR, sizeof( DLL_ENTRY_POINTS ) * (dwNumSubKeys + 1) ); if ( pCpDlls == (DLL_ENTRY_POINTS*)NULL ) { dwRetCode = GetLastError(); PppLogError( ROUTERLOG_NOT_ENOUGH_MEMORY, 0, NULL, dwRetCode ); break; } pCpDlls[dwNumSubKeys].hInstance = INVALID_HANDLE_VALUE; // // Load all the AP and CP dlls and get their entry points // dwRetCode = LoadProtocolDlls( pCpDlls, dwNumSubKeys, hKeyProtocols, &cTotalNumProtocols ); if ( dwRetCode != NO_ERROR ) break; // // We now know how big the CpTable structure has to be so allocate space // for it. Add one for LCP. // CpTable = (PPPCP_ENTRY *)LOCAL_ALLOC( LPTR, sizeof( PPPCP_ENTRY ) * ( cTotalNumProtocols + 1 ) ); if ( CpTable == (PPPCP_ENTRY *)NULL) { dwRetCode = GetLastError(); PppLogError( ROUTERLOG_NOT_ENOUGH_MEMORY, 0, NULL, dwRetCode ); break; } // // Now fill up the table. First fill up information for LCP // dwRetCode = LcpGetInfo( PPP_LCP_PROTOCOL, &(CpTable[LCP_INDEX].CpInfo) ); if ( dwRetCode != NO_ERROR ) { CHAR * pChar = "LCP"; PppLogErrorString(ROUTERLOG_PPPCP_DLL_ERROR, 1, &pChar, dwRetCode, 1); break; } PppConfigInfo.NumberOfCPs = 1; PppConfigInfo.NumberOfAPs = 0; // // Fill up the table with the loaded APs and CPs. The CPs start from // 1 and increase the APs start from cTotolNumProtocols and go down. // for ( dwIndex = 0; dwIndex < dwNumSubKeys; dwIndex++ ) { dwRetCode = (DWORD)(pCpDlls[dwIndex].pRasCpEnumProtocolIds)( ProtocolIds, &dwNumProtocolIds ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString( ROUTERLOG_PPPCP_DLL_ERROR, 1, &(pCpDlls[dwIndex].pszModuleName), dwRetCode, 1 ); break; } if ( ( dwNumProtocolIds == 0 ) || ( dwNumProtocolIds > PPPCP_MAXCPSPERDLL ) ) { dwRetCode = ERROR_INVALID_PARAMETER; PppLogErrorString( ROUTERLOG_PPPCP_DLL_ERROR, 1, &(pCpDlls[dwIndex].pszModuleName), dwRetCode, 1 ); break; } while( dwNumProtocolIds-- > 0 ) { ZeroMemory( &CpEntry, sizeof( CpEntry ) ); dwRetCode = (DWORD)(pCpDlls[dwIndex].pRasCpGetInfo)( ProtocolIds[dwNumProtocolIds], &CpEntry.CpInfo ); if ( dwRetCode != NO_ERROR ) { PppLogErrorString( ROUTERLOG_PPPCP_DLL_ERROR, 1, &(pCpDlls[dwIndex].pszModuleName), dwRetCode, 1 ); break; } if ( CpEntry.CpInfo.Protocol == PPP_IPCP_PROTOCOL ) { PppConfigInfo.RasIpcpDhcpInform = (DWORD(*)(VOID*, PPP_DHCP_INFORM*)) IpcpDhcpInform; PppConfigInfo.RasIphlpDhcpCallback = (VOID(*)(ULONG)) RasSrvrDhcpCallback; } if ( CpEntry.CpInfo.RasCpInit != NULL ) { if ( (PPP_IPCP_PROTOCOL == CpEntry.CpInfo.Protocol) || (PPP_IPXCP_PROTOCOL == CpEntry.CpInfo.Protocol) || (PPP_NBFCP_PROTOCOL == CpEntry.CpInfo.Protocol) || (PPP_ATCP_PROTOCOL == CpEntry.CpInfo.Protocol) ) { // Do not init the CP. } else { PppLog(1, "RasCpInit(%x, TRUE)", CpEntry.CpInfo.Protocol); dwRetCode = CpEntry.CpInfo.RasCpInit( TRUE/* fInitialize */); CpEntry.fFlags |= PPPCP_FLAG_INIT_CALLED; if ( dwRetCode != NO_ERROR ) { CHAR* SubStringArray[2]; SubStringArray[0] = CpEntry.CpInfo.SzProtocolName; SubStringArray[1] = pCpDlls[dwIndex].pszModuleName; PppLogErrorString( ROUTERLOG_PPPCP_INIT_ERROR, 2, SubStringArray, dwRetCode, 2 ); break; } else { CpEntry.fFlags |= PPPCP_FLAG_AVAILABLE; } } } // // If this entry point is NULL we assume that this is a CP. // if ( CpEntry.CpInfo.RasApMakeMessage == NULL ) { if ( ( CpEntry.CpInfo.RasCpBegin == NULL ) || ( CpEntry.CpInfo.RasCpEnd == NULL ) || ( CpEntry.CpInfo.RasCpReset == NULL ) || ( CpEntry.CpInfo.RasCpMakeConfigRequest == NULL ) || ( CpEntry.CpInfo.RasCpMakeConfigResult == NULL ) || ( CpEntry.CpInfo.RasCpConfigAckReceived == NULL ) || ( CpEntry.CpInfo.RasCpConfigNakReceived == NULL ) || ( CpEntry.CpInfo.RasCpConfigRejReceived == NULL ) || ( CpEntry.CpInfo.Recognize > ( DISCARD_REQ + 1) ) ) { dwRetCode = ERROR_INVALID_PARAMETER; PppLogErrorString( ROUTERLOG_PPPCP_DLL_ERROR, 1, &(pCpDlls[dwIndex].pszModuleName), dwRetCode, 1 ); break; } CpTable[PppConfigInfo.NumberOfCPs++] = CpEntry; } else { CpTable[cTotalNumProtocols-PppConfigInfo.NumberOfAPs] = CpEntry; PppConfigInfo.NumberOfAPs++; } } if ( dwRetCode != NO_ERROR ) break; } if ( GetCpIndexFromProtocol( PPP_BACP_PROTOCOL ) == (DWORD)-1 ) { PppConfigInfo.ServerConfigInfo.dwConfigMask &= ~PPPCFG_NegotiateBacp; } else if ( PppConfigInfo.ServerConfigInfo.dwConfigMask & PPPCFG_NegotiateBacp ) { cbValueBuf = sizeof(DWORD); if (RegQueryValueEx( *phKeyPpp, RAS_VALUENAME_DOBAPONVPN, NULL, &dwType, (LPBYTE )&dwValue, &cbValueBuf ) == 0 && dwType == REG_DWORD && cbValueBuf == sizeof(DWORD) && dwValue) { FDoBapOnVpn = TRUE; BapTrace( "Allowing BAP over VPN's" ); } } } while( FALSE ); if ( dwRetCode != NO_ERROR ) { if ( CpTable != (PPPCP_ENTRY *)NULL ) { LOCAL_FREE( CpTable ); } } if ( hKeyProtocols != (HKEY)NULL ) { RegCloseKey( hKeyProtocols ); } if ( pCpDlls != (DLL_ENTRY_POINTS*)NULL ) { for ( dwIndex = 0; dwIndex < dwNumSubKeys; dwIndex++ ) { if ( pCpDlls[dwIndex].pszModuleName != (LPSTR)NULL ) { LOCAL_FREE( pCpDlls[dwIndex].pszModuleName ); } } if ( dwRetCode != NO_ERROR ) { LOCAL_FREE( pCpDlls ); pCpDlls = NULL; } } return( dwRetCode ); } //** // // Call: InitializePPP // // Returns: NO_ERROR - Success // non-zero code - Failure // // Description: Will initialize all global data and load and initialize the // Control and Authentication protocol dll.s // DWORD InitializePPP( VOID ) { DWORD dwIndex; DWORD dwTId; DWORD dwRetCode; HANDLE hThread; NT_PRODUCT_TYPE NtProductType; srand ( (unsigned int)time ( NULL ) ); PppConfigInfo.dwTraceId = TraceRegisterA( "PPP" ); DwBapTraceId = TraceRegisterA( "BAP" ); // PrivateTraceId = TraceRegisterA( "Private" ); PppConfigInfo.hLogEvents = RouterLogRegister( TEXT("RemoteAccess") ); PppConfigInfo.RasIpcpDhcpInform = NULL; PppConfigInfo.RasIphlpDhcpCallback = NULL; PppConfigInfo.dwLoggingLevel = 3; // // Create DDM private heap // PppConfigInfo.hHeap = HeapCreate( 0, PPP_HEAP_INITIAL_SIZE, PPP_HEAP_MAX_SIZE ); if ( PppConfigInfo.hHeap == NULL ) { return( GetLastError() ); } if ( (dwRetCode = ReadRegistryInfo(&(PppConfigInfo.hKeyPpp))) != NO_ERROR ) { return( dwRetCode ); } dwRetCode = InitEndpointDiscriminator(PppConfigInfo.EndPointDiscriminator); if ( dwRetCode != NO_ERROR ) { return( dwRetCode ); } PppConfigInfo.PortUIDGenerator = 0; // // Initialize global data-structures // // // Allocate hash table for PCBs // PcbTable.PcbBuckets = LOCAL_ALLOC( LPTR, sizeof( PCB_BUCKET ) * PcbTable.NumPcbBuckets ); if ( PcbTable.PcbBuckets == NULL ) { return( GetLastError() ); } // // Allocate hash table for BCBs // PcbTable.BcbBuckets = LOCAL_ALLOC( LPTR, sizeof( BCB_BUCKET ) * PcbTable.NumPcbBuckets ); if ( PcbTable.BcbBuckets == NULL ) { LOCAL_FREE( PcbTable.PcbBuckets ); return( GetLastError() ); } for( dwIndex = 0; dwIndex < PcbTable.NumPcbBuckets; dwIndex++ ) { PcbTable.PcbBuckets[dwIndex].pPorts = (PCB *)NULL; PcbTable.BcbBuckets[dwIndex].pBundles = (BCB *)NULL; } WorkItemQ.pQHead = (PCB_WORK_ITEM*)NULL; WorkItemQ.pQTail = (PCB_WORK_ITEM*)NULL; InitializeCriticalSection( &(WorkItemQ.CriticalSection) ); WorkItemQ.hEventNonEmpty = CreateEvent( NULL, TRUE, FALSE, NULL ); if ( WorkItemQ.hEventNonEmpty == (HANDLE)NULL ) { return( GetLastError() ); } TimerQ.hEventNonEmpty = CreateEvent( NULL, FALSE, FALSE, NULL ); if ( TimerQ.hEventNonEmpty == (HANDLE)NULL ) { return( GetLastError() ); } PppConfigInfo.hEventChangeNotification = CreateEvent(NULL,FALSE,FALSE,NULL); if ( PppConfigInfo.hEventChangeNotification == (HANDLE)NULL ) { return( GetLastError() ); } RtlGetNtProductType( &NtProductType ); if ( NtProductWinNt == NtProductType ) { PppConfigInfo.fFlags |= PPPCONFIG_FLAG_WKSTA; } // // Create worker thread. // hThread = CreateThread( NULL, 0, WorkerThread, NULL, 0, &dwTId ); if ( hThread == (HANDLE)NULL ) { return( GetLastError() ); } CloseHandle(hThread); return( NO_ERROR ); } //** // // Call: PPPCleanUp // // Returns: NO_ERROR - Success // Non-zero returns - Failure // // Description: Will de-allocate all allocated memory, close all handles and // reset all the global structures to 0. // VOID PPPCleanUp( VOID ) { DWORD dwIndex; DWORD dwError; DWORD cTotalNumProtocols; // // Unload DLLs. // cTotalNumProtocols = PppConfigInfo.NumberOfCPs + PppConfigInfo.NumberOfAPs; if ( pCpDlls != NULL ) { for ( dwIndex = 0; dwIndex < cTotalNumProtocols; dwIndex++ ) { if ( CpTable[dwIndex].fFlags & PPPCP_FLAG_INIT_CALLED ) { PppLog( 1, "RasCpInit(%x, FALSE)", CpTable[dwIndex].CpInfo.Protocol ); dwError = CpTable[dwIndex].CpInfo.RasCpInit( FALSE /* fInitialize */ ); if ( NO_ERROR != dwError ) { PppLog( 1, "RasCpInit(FALSE) for protocol 0x%x returned error %d", CpTable[dwIndex].CpInfo.Protocol, dwError ); } CpTable[dwIndex].fFlags &= ~PPPCP_FLAG_INIT_CALLED; CpTable[dwIndex].fFlags &= ~PPPCP_FLAG_AVAILABLE; } } for ( dwIndex = 0; pCpDlls[dwIndex].hInstance != INVALID_HANDLE_VALUE; dwIndex++ ) { if ( pCpDlls[dwIndex].hInstance != NULL ) { FreeLibrary( pCpDlls[dwIndex].hInstance ); } } if ( pCpDlls ) LOCAL_FREE( pCpDlls ); pCpDlls = NULL; } RouterLogDeregister( PppConfigInfo.hLogEvents ); DeleteCriticalSection( &(WorkItemQ.CriticalSection) ); if ( TimerQ.hEventNonEmpty != NULL ) { CloseHandle( TimerQ.hEventNonEmpty ); } if ( WorkItemQ.hEventNonEmpty != NULL ) { CloseHandle( WorkItemQ.hEventNonEmpty ); } if ( PppConfigInfo.hEventChangeNotification != NULL ) { CloseHandle( PppConfigInfo.hEventChangeNotification ); } // // Destroy private heap // if ( PppConfigInfo.hHeap != NULL ) { HeapDestroy( PppConfigInfo.hHeap ); } if ( PppConfigInfo.dwTraceId != INVALID_TRACEID ) { TraceDeregisterA( PppConfigInfo.dwTraceId ); } if ( PppConfigInfo.hKeyPpp != (HKEY)NULL ) { RegCloseKey( PppConfigInfo.hKeyPpp ); } if ( NULL != PppConfigInfo.hInstanceParserDll ) { FreeLibrary( PppConfigInfo.hInstanceParserDll ); } if (NULL != PppConfigInfo.pszParserDllPath) { LOCAL_FREE(PppConfigInfo.pszParserDllPath); } PppConfigInfo.pszParserDllPath = NULL; PppConfigInfo.PacketFromPeer = NULL; PppConfigInfo.PacketToPeer = NULL; PppConfigInfo.PacketFree = NULL; // // TraceDeregisterA can handle INVALID_TRACEID gracefully // TraceDeregisterA( DwBapTraceId ); ZeroMemory( &PcbTable, sizeof( PcbTable ) ); ZeroMemory( &WorkItemQ, sizeof( WorkItemQ ) ); ZeroMemory( &PppConfigInfo, sizeof( PppConfigInfo ) ); ZeroMemory( &TimerQ, sizeof( TimerQ ) ); CpTable = NULL; } //** // // Call: DllEntryPoint // // Returns: TRUE - Success // FALSE - Failure // // Description: // BOOL DllEntryPoint( IN HANDLE hInstDLL, IN DWORD fdwReason, IN LPVOID lpvReserved ) { switch (fdwReason) { case DLL_PROCESS_ATTACH: HInstDLL = hInstDLL; DisableThreadLibraryCalls(hInstDLL); break; } return(TRUE); } //** // // Call: RasCpEnumProtocolIds // // Returns: NO_ERROR - Success // // Description: This entry point is called to enumerate the number and the // control protocol Ids for the protocols contained in the module. // DWORD RasCpEnumProtocolIds( OUT DWORD * pdwProtocolIds, IN OUT DWORD * pcProtocolIds ) { DWORD dwIndex; HKEY hKey; DWORD dwErr; DWORD dwType; DWORD dwValue; DWORD dwSize; PppLog(1, "RasCpEnumProtocolIds"); RTASSERT(NUM_BUILT_IN_CPS <= PPPCP_MAXCPSPERDLL); *pcProtocolIds = 0; dwErr = RegOpenKeyEx(HKEY_LOCAL_MACHINE, RAS_KEYPATH_BUILTIN, 0, KEY_READ, &hKey); if (ERROR_SUCCESS == dwErr) { for (dwIndex = 0; dwIndex < NUM_BUILT_IN_CPS; dwIndex++) { dwSize = sizeof(dwValue); dwErr = RegQueryValueEx(hKey, BuiltInCps[dwIndex].szNegotiateCp, NULL, &dwType, (BYTE*)&dwValue, &dwSize); if ( ERROR_SUCCESS == dwErr && REG_DWORD == dwType && sizeof(DWORD) == dwSize && !dwValue) { BuiltInCps[dwIndex].fLoad = FALSE; PppLog(1, "%s is FALSE", BuiltInCps[dwIndex].szNegotiateCp); } } RegCloseKey(hKey); } for (dwIndex = 0; dwIndex < NUM_BUILT_IN_CPS; dwIndex++) { if (BuiltInCps[dwIndex].fLoad) { pdwProtocolIds[*pcProtocolIds] = BuiltInCps[dwIndex].dwProtocolId; PppLog(1, "Protocol %x", BuiltInCps[dwIndex].dwProtocolId); *pcProtocolIds += 1; } } return(NO_ERROR); } //** // // Call: RasCpGetInfo // // Returns: NO_ERROR - Success // ERROR_INVALID_PARAMETER - Protocol id is unrecogized // // Description: This entry point is called for get all information for the // control protocol in this module. // DWORD RasCpGetInfo( IN DWORD dwProtocolId, OUT PPPCP_INFO* pCpInfo ) { DWORD dwIndex; PppLog(1, "RasCpGetInfo %x", dwProtocolId); for (dwIndex = 0; dwIndex < NUM_BUILT_IN_CPS; dwIndex++) { if ( (BuiltInCps[dwIndex].dwProtocolId == dwProtocolId) && BuiltInCps[dwIndex].fLoad) { return((DWORD)BuiltInCps[dwIndex].pRasCpGetInfo( dwProtocolId, pCpInfo)); } } return(ERROR_INVALID_PARAMETER); } VOID PrivateTrace( IN CHAR* Format, ... ) { va_list arglist; va_start(arglist, Format); TraceVprintfEx(PrivateTraceId, 0x00010000 | TRACE_USE_MASK | TRACE_USE_MSEC, Format, arglist); va_end(arglist); }