1231 lines
46 KiB
C
1231 lines
46 KiB
C
/****************************************************************************/
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// winget.c
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//
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// TermSrv RPC query handler.
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//
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// Copyright (C) 1997-2000 Microsoft Corporation
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/****************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#include "rpcwire.h"
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#include "conntfy.h" // for GetLockedState
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#define MODULE_SIZE 1024
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extern WCHAR g_DigProductId[CLIENT_PRODUCT_ID_LENGTH];
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// Extern function
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extern NTSTATUS _CheckCallerLocalAndSystem(VOID);
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/*=============================================================================
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== Private functions
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=============================================================================*/
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NTSTATUS xxxGetUserToken(PWINSTATION, WINSTATIONUSERTOKEN UNALIGNED *, ULONG);
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/*=============================================================================
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== Functions Used
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=============================================================================*/
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NTSTATUS xxxWinStationQueryInformation(ULONG, WINSTATIONINFOCLASS,
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PVOID, ULONG, PULONG);
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NTSTATUS
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RpcCheckClientAccess(
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PWINSTATION pWinStation,
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ACCESS_MASK DesiredAccess,
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BOOLEAN AlreadyImpersonating
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);
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NTSTATUS
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RpcCheckSystemClientEx(
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PWINSTATION pWinStation
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);
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NTSTATUS
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RpcCheckSystemClientNoLogonId(
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PWINSTATION pWinStation
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);
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BOOLEAN
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ValidWireBuffer(WINSTATIONINFOCLASS InfoClass,
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PVOID WireBuf,
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ULONG WireBufLen);
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BOOLEAN
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IsCallerAllowedPasswordAccess(VOID);
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//
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// Query client's IP Address.
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//
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extern NTSTATUS
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xxxQueryRemoteAddress(
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PWINSTATION pWinStation,
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PWINSTATIONREMOTEADDRESS pRemoteAddress
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)
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{
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struct sockaddr_in6 addr6;
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ULONG AddrBytesReturned;
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NTSTATUS Status;
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if( pWinStation->State != State_Active && pWinStation->State != State_Connected )
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{
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Status = STATUS_CTX_WINSTATION_NOT_FOUND;
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}
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else
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{
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Status = IcaStackIoControl( pWinStation->hStack,
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IOCTL_TS_STACK_QUERY_REMOTEADDRESS,
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pWinStation->pEndpoint,
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pWinStation->EndpointLength,
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&addr6,
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sizeof( addr6 ),
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&AddrBytesReturned
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);
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if( NT_SUCCESS(Status) )
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{
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pRemoteAddress->sin_family = addr6.sin6_family;
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if( AF_INET == addr6.sin6_family )
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{
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struct sockaddr_in* pAddr = (struct sockaddr_in *)&addr6;
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pRemoteAddress->ipv4.sin_port = pAddr->sin_port;
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pRemoteAddress->ipv4.in_addr = pAddr->sin_addr.s_addr;
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}
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else
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{
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// Support of IPV6 is for next release.
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Status = STATUS_NOT_SUPPORTED;
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}
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}
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}
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return Status;
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}
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ULONG GetLoadMetrics(PWINSTATIONLOADINDICATORDATA pLIData)
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{
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SYSTEM_PERFORMANCE_INFORMATION SysPerfInfo;
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SYSTEM_PROCESSOR_PERFORMANCE_INFORMATION ProcessorInfo[MAX_PROCESSORS];
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SYSTEM_BASIC_INFORMATION BasicInfo;
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LARGE_INTEGER TotalCPU = {0, 0};
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LARGE_INTEGER IdleCPU = {0, 0};
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LARGE_INTEGER TotalCPUDelta = {0, 0};
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LARGE_INTEGER IdleCPUDelta = {0, 0};
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ULONG AvgIdleCPU, AvgBusyCPU, CPUConstrainedSessions;
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ULONG RemainingSessions = 0;
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LOADFACTORTYPE LoadFactor = ErrorConstraint;
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ULONG MinSessions;
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ULONG NumWinStations;
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NTSTATUS StatusPerf, StatusProc, StatusBasic;
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ULONG i;
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// Initialize additional data area
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memset(pLIData->reserved, 0, sizeof(pLIData->reserved));
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// Determine the number of active winstations in the system. If there
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// aren't any, just assume 1 so we don't have to special case the logic
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// too much. Note that this code counts the console.
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if (WinStationTotalCount > IdleWinStationPoolCount)
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NumWinStations = WinStationTotalCount - IdleWinStationPoolCount;
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else
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NumWinStations = 1;
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TRACE((hTrace, TC_LOAD, TT_API1,
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"Session Statistics: Total [%ld], Idle [%ld], Disc [%ld]\n",
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WinStationTotalCount, IdleWinStationPoolCount, WinStationDiscCount));
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//
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// Get basic info like total memory, etc.
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//
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StatusBasic = NtQuerySystemInformation(SystemBasicInformation,
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&BasicInfo, sizeof(BasicInfo),
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NULL);
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//
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// Get resource (memory) utilization metrics
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//
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StatusPerf = NtQuerySystemInformation(SystemPerformanceInformation,
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&SysPerfInfo, sizeof(SysPerfInfo),
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NULL);
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//
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// Get CPU utilization metrics
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//
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StatusProc = NtQuerySystemInformation(SystemProcessorPerformanceInformation,
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ProcessorInfo,
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sizeof(ProcessorInfo),
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NULL);
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if (gLB.fInitialized &&
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NT_SUCCESS(StatusPerf) &&
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NT_SUCCESS(StatusProc) &&
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NT_SUCCESS(StatusBasic)) {
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ULONG DefaultPagedPool, DefaultPtes, DefaultCommit;
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ULONG CommitAvailable;
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//
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// Determine resource usage for all sessions, subtracting out the
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// resources required by the base system. Readjust the base
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// calculations if they become nonsensical.
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//
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// total committment and average consumption
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CommitAvailable = SysPerfInfo.CommitLimit - SysPerfInfo.CommittedPages;
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if (gLB.BaselineCommit < SysPerfInfo.CommittedPages) {
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gLB.CommitUsed = SysPerfInfo.CommittedPages - gLB.BaselineCommit;
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gLB.AvgCommitPerUser = max(gLB.CommitUsed / NumWinStations,
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gLB.MinCommitPerUser);
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DefaultCommit = FALSE;
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}
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else {
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gLB.CommitUsed = 0;
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gLB.AvgCommitPerUser = gLB.MinCommitPerUser;
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gLB.BaselineCommit = SysPerfInfo.CommittedPages;
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DefaultCommit = TRUE;
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}
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TRACE((hTrace, TC_LOAD, TT_API1,
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" Commit: Base [%6ld], Used [%6ld], Avail: [%6ld], AvgPerUser: [%6ld]%s\n",
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gLB.BaselineCommit,
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gLB.CommitUsed,
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CommitAvailable,
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gLB.AvgCommitPerUser,
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DefaultCommit ? "*" : ""));
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// total system PTEs used and average consumption
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if (gLB.BaselineFreePtes > SysPerfInfo.FreeSystemPtes) {
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gLB.PtesUsed = gLB.BaselineFreePtes - SysPerfInfo.FreeSystemPtes;
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gLB.AvgPtesPerUser = max(gLB.PtesUsed / NumWinStations,
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gLB.MinPtesPerUser);
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DefaultPtes = FALSE;
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}
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else {
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gLB.PtesUsed = 0;
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gLB.AvgPtesPerUser = gLB.MinPtesPerUser;
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gLB.BaselineFreePtes = SysPerfInfo.FreeSystemPtes;
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DefaultPtes = TRUE;
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}
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TRACE((hTrace, TC_LOAD, TT_API1,
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" Ptes: Base [%6ld], Used [%6ld], Avail: [%6ld], AvgPerUser: [%6ld]%s\n",
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gLB.BaselineFreePtes,
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gLB.PtesUsed,
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SysPerfInfo.FreeSystemPtes,
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gLB.AvgPtesPerUser,
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DefaultPtes ? "*" : ""));
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// paged pool used and average consumption
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if (gLB.BaselinePagedPool < SysPerfInfo.PagedPoolPages) {
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gLB.PagedPoolUsed = SysPerfInfo.PagedPoolPages - gLB.BaselinePagedPool;
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gLB.AvgPagedPoolPerUser = max(gLB.PagedPoolUsed / NumWinStations,
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gLB.MinPagedPoolPerUser);
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DefaultPagedPool = FALSE;
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}
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else {
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gLB.PagedPoolUsed = 0;
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gLB.AvgPagedPoolPerUser = gLB.MinPagedPoolPerUser;
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gLB.BaselinePagedPool = SysPerfInfo.PagedPoolPages;
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DefaultPagedPool = TRUE;
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}
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TRACE((hTrace, TC_LOAD, TT_API1,
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" PagedPool: Base [%6ld], Used [%6ld], Avail: [%6ld], AvgPerUser: [%6ld]%s\n",
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gLB.BaselinePagedPool,
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gLB.PagedPoolUsed,
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SysPerfInfo.AvailablePagedPoolPages,
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gLB.AvgPagedPoolPerUser,
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DefaultPagedPool ? "*" : ""));
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TRACE((hTrace, TC_LOAD, TT_API1,
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" Session Raw: Commit [%4ld], Pte [%4ld], Paged [%4ld]\n",
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CommitAvailable / gLB.AvgCommitPerUser,
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SysPerfInfo.FreeSystemPtes / gLB.AvgPtesPerUser,
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SysPerfInfo.AvailablePagedPoolPages / gLB.AvgPagedPoolPerUser));
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// Sum up individual CPU usage
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for (i = 0; i < gLB.NumProcessors; i++) {
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IdleCPU.QuadPart += ProcessorInfo[i].IdleTime.QuadPart;
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TotalCPU.QuadPart += ProcessorInfo[i].KernelTime.QuadPart +
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ProcessorInfo[i].UserTime.QuadPart;
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}
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// Determine CPU deltas for this period
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IdleCPUDelta.QuadPart = IdleCPU.QuadPart - gLB.IdleCPU.QuadPart;
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TotalCPUDelta.QuadPart = TotalCPU.QuadPart - gLB.TotalCPU.QuadPart;
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gLB.IdleCPU.QuadPart = IdleCPU.QuadPart;
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gLB.TotalCPU.QuadPart = TotalCPU.QuadPart;
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// Determine what portion of 255 units we are idle
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AvgIdleCPU = (ULONG) (TotalCPUDelta.QuadPart ?
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((IdleCPUDelta.QuadPart << 8) / TotalCPUDelta.QuadPart)
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: 0);
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//
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// Exponential smoothing:
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// gLB.AvgIdleCPU = (ULONG) (alpha * gLB.AvgIdleCPU + (1 - alpha) * AvgIdleCPU)
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//
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// When Alpha = 0.75, the equation simplifies to the following:
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//
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gLB.AvgIdleCPU = (3 * gLB.AvgIdleCPU + AvgIdleCPU) >> 2 ;
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// Based on current smoothed CPU usage, calculate how much a session uses
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// on average and extrapolate to max CPU constrained sessions.
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AvgBusyCPU = 255 - gLB.AvgIdleCPU;
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if ((AvgBusyCPU > 0) && (AvgBusyCPU <= 255))
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CPUConstrainedSessions = (NumWinStations << 8) / AvgBusyCPU;
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else
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CPUConstrainedSessions = 0xFFFFFFFF;
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// Now flip it to remaining CPU constrained sessions. We never let this
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// number hit zero since it doesn't mean session creation will fail.
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if (CPUConstrainedSessions > NumWinStations)
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CPUConstrainedSessions -= NumWinStations;
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else
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CPUConstrainedSessions = 1;
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// Bias the averages a bit to account for growth in the existing sessions
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gLB.AvgCommitPerUser += (ULONG) (gLB.AvgCommitPerUser >> SimGrowthBias);
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gLB.AvgPtesPerUser += (ULONG) (gLB.AvgPtesPerUser >> SimGrowthBias);
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gLB.AvgPagedPoolPerUser += (ULONG) (gLB.AvgPagedPoolPerUser >> SimGrowthBias);
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TRACE((hTrace, TC_LOAD, TT_API1,
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" Session Avg: Commit [%4ld], Pte [%4ld], Paged [%4ld]\n",
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CommitAvailable / gLB.AvgCommitPerUser,
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SysPerfInfo.FreeSystemPtes / gLB.AvgPtesPerUser,
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SysPerfInfo.AvailablePagedPoolPages / gLB.AvgPagedPoolPerUser));
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TRACE((hTrace, TC_LOAD, TT_API1,
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" CPU Idle: Current [%4ld], Avg [%4ld], Est [%4ld]\n",
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(AvgIdleCPU * 100) / 255,
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(gLB.AvgIdleCPU * 100) / 255,
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CPUConstrainedSessions));
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//
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// Find the most constrained resource! Failure on any one of these
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// items means we will not be likely to start a session.
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//
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// Commit Constraint (TODO: needs refinement, doesn't consider paging
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RemainingSessions = CommitAvailable / gLB.AvgCommitPerUser ;
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LoadFactor = AvailablePagesConstraint;
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pLIData->reserved[AvailablePagesConstraint] = RemainingSessions;
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// Free System PTEs Constraint
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MinSessions = SysPerfInfo.FreeSystemPtes / gLB.AvgPtesPerUser;
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if (MinSessions < RemainingSessions) {
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RemainingSessions = MinSessions;
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LoadFactor = SystemPtesConstraint;
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}
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pLIData->reserved[SystemPtesConstraint] = MinSessions;
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// Paged Pool Constraint
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MinSessions = SysPerfInfo.AvailablePagedPoolPages / gLB.AvgPagedPoolPerUser;
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if (MinSessions < RemainingSessions) {
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RemainingSessions = MinSessions;
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LoadFactor = PagedPoolConstraint;
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}
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pLIData->reserved[PagedPoolConstraint] = MinSessions;
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gLB.RemainingSessions = RemainingSessions;
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//
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// Add in constraints that are good indicators of application performance.
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// We will likely create a session if these resources are low, but the
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// user experience will suffer.
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// CPU Contraint
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if (CPUConstrainedSessions < RemainingSessions) {
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LoadFactor = CPUConstraint;
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RemainingSessions = CPUConstrainedSessions;
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}
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pLIData->reserved[CPUConstraint] = MinSessions;
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gLB.EstimatedSessions = RemainingSessions;
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TRACE((hTrace, TC_LOAD, TT_API1,
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"Remaining Sessions: Raw: [%4ld], Est: [%4ld], Factor = %s, Commit = %ld\n\n",
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gLB.RemainingSessions, gLB.EstimatedSessions,
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LoadFactor == AvailablePagesConstraint ? "Available Memory" :
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(LoadFactor == SystemPtesConstraint ? "SystemPtes" :
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(LoadFactor == PagedPoolConstraint ? "PagedPool" :
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(LoadFactor == CPUConstraint ? "CPU" :
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"Unknown!"))), SysPerfInfo.CommittedPages
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));
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//
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// Return data to caller
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//
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pLIData->RemainingSessionCapacity = gLB.EstimatedSessions;
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pLIData->RawSessionCapacity = gLB.RemainingSessions;
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pLIData->LoadFactor = LoadFactor;
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pLIData->TotalSessions = NumWinStations;
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pLIData->DisconnectedSessions = WinStationDiscCount;
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// Had to split this up for IA64 alignment issues
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pLIData->IdleCPU.HighPart = IdleCPUDelta.HighPart;
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pLIData->IdleCPU.LowPart = IdleCPUDelta.LowPart;
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pLIData->TotalCPU.HighPart = TotalCPUDelta.HighPart;
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pLIData->TotalCPU.LowPart = TotalCPUDelta.LowPart;
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}
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// The load metrics failed to intialize! Set the capacity sky high to still
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// allow access to the server.
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else {
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RemainingSessions = 0xFFFFFFFF;
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pLIData->RemainingSessionCapacity = RemainingSessions;
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pLIData->RawSessionCapacity = RemainingSessions;
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pLIData->LoadFactor = ErrorConstraint;
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pLIData->TotalSessions = NumWinStations;
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pLIData->DisconnectedSessions = WinStationDiscCount;
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// Had to split this up for IA64 alignment issues
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pLIData->IdleCPU.HighPart = 0;
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pLIData->IdleCPU.LowPart = 99;
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pLIData->TotalCPU.HighPart = 0;
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pLIData->TotalCPU.LowPart = 100;
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TRACE((hTrace, TC_LOAD, TT_ERROR,
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"GetLoadMetrics failed: init [%ld], Proc [%lx], Perf [%lx], Basic [%lx]!\n",
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gLB.fInitialized, StatusProc, StatusPerf, StatusBasic));
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}
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return RemainingSessions;
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}
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|
|
|
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/*******************************************************************************
|
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* xxxWinStationQueryInformation
|
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*
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* Query window station information (worker routine)
|
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*
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* ENTRY:
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* LogonId (input)
|
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* Session ID corresponding to the session.
|
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* WinStationInformationClass (input)
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* Specifies the type of information to get from the specified window
|
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* station object.
|
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* pWinStationInformation (output)
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* A pointer to a buffer that contains information to get for the
|
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* specified window station. The format and contents of the buffer
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* depend on the specified information class being set.
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* WinStationInformationLength (input)
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* Specifies the length in bytes of the window station information
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* buffer.
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* pReturnLength (output)
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* Specifies the amount returned in the buffer
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******************************************************************************/
|
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NTSTATUS xxxWinStationQueryInformation(
|
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ULONG LogonId,
|
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WINSTATIONINFOCLASS WinStationInformationClass,
|
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PVOID pWinStationInformation,
|
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ULONG WinStationInformationLength,
|
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PULONG pReturnLength)
|
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{
|
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NTSTATUS Status = STATUS_SUCCESS;
|
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HINSTANCE hInstance;
|
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PWINSTATION pWinStation = NULL;
|
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ULONG cbReturned;
|
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ICA_STACK_LAST_INPUT_TIME Ica_Stack_Last_Input_Time;
|
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WINSTATION_APIMSG WMsg;
|
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PWINSTATIONVIDEODATA pVideoData;
|
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HANDLE hVirtual;
|
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ULONG i;
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|
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*pReturnLength = 0;
|
|
|
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TRACE((hTrace,TC_ICASRV,TT_API2,"TERMSRV: WinStationQueryInformation LogonId=%d, Class=%d\n",
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LogonId, (ULONG)WinStationInformationClass));
|
|
|
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/*
|
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* Find the WinStation
|
|
* Return error if not found or currently terminating.
|
|
*/
|
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pWinStation = FindWinStationById( LogonId, FALSE );
|
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if (pWinStation == NULL)
|
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return STATUS_CTX_WINSTATION_NOT_FOUND;
|
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if (pWinStation->Terminating) {
|
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ReleaseWinStation(pWinStation);
|
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return STATUS_CTX_CLOSE_PENDING;
|
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}
|
|
|
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/*
|
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* Verify that client has QUERY access
|
|
*/
|
|
Status = RpcCheckClientAccess(pWinStation, WINSTATION_QUERY, FALSE);
|
|
if (!NT_SUCCESS(Status)) {
|
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ReleaseWinStation(pWinStation);
|
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return Status;
|
|
}
|
|
|
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switch ( WinStationInformationClass ) {
|
|
|
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case WinStationLoadIndicator:
|
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{
|
|
PWINSTATIONLOADINDICATORDATA pLIData =
|
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(PWINSTATIONLOADINDICATORDATA) pWinStationInformation;
|
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|
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if (WinStationInformationLength >= sizeof(WINSTATIONLOADINDICATORDATA)) {
|
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GetLoadMetrics(pLIData);
|
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|
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*pReturnLength = sizeof(WINSTATIONLOADINDICATORDATA);
|
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}
|
|
else {
|
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Status = STATUS_BUFFER_TOO_SMALL;
|
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}
|
|
}
|
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break;
|
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|
|
case WinStationInformation:
|
|
{
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
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pWinStationInformation,
|
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WinStationInformationLength))
|
|
{
|
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Status = STATUS_INVALID_USER_BUFFER;
|
|
}
|
|
else
|
|
{
|
|
WINSTATIONINFORMATION *pInfo;
|
|
PROTOCOLSTATUS *pIca_Stack_Query_Status;
|
|
|
|
pInfo = MemAlloc( sizeof( WINSTATIONINFORMATION ) ) ;
|
|
|
|
if ( pInfo )
|
|
{
|
|
pIca_Stack_Query_Status = MemAlloc( sizeof( PROTOCOLSTATUS ) );
|
|
if ( pIca_Stack_Query_Status )
|
|
{
|
|
TCHAR *szUserName = NULL, *szDomainName = NULL;
|
|
DWORD dwUserSize = MAX_PATH, dwDomainSize = MAX_PATH;
|
|
SID_NAME_USE TypeOfAccount;
|
|
BOOL LookupResult;
|
|
|
|
memset( pInfo, 0, sizeof( PWINSTATIONINFORMATION ) );
|
|
wcscpy( pInfo->WinStationName, pWinStation->WinStationName );
|
|
memcpy( pInfo->Domain, pWinStation->Domain, sizeof( pInfo->Domain ) );
|
|
memcpy( pInfo->UserName, pWinStation->UserName, sizeof( pInfo->UserName ) );
|
|
|
|
// Since the Username stored maybe stale, query the Username again
|
|
// Intentionally we do not fail if we are not able to allocate szUserName and szDomainName
|
|
// This is because we can send the cached credentials in that case
|
|
|
|
szUserName = MemAlloc(MAX_PATH);
|
|
if ( szUserName ) {
|
|
|
|
szDomainName = MemAlloc(MAX_PATH);
|
|
if ( szDomainName ) {
|
|
|
|
LookupResult = LookupAccountSid(NULL,
|
|
pWinStation->pUserSid,
|
|
szUserName,
|
|
&dwUserSize,
|
|
szDomainName,
|
|
&dwDomainSize,
|
|
&TypeOfAccount);
|
|
|
|
if (LookupResult) {
|
|
|
|
// Re-copy and update WINSTATION struct if the Username or Domain has changed
|
|
if ( (szUserName) && (lstrcmpi(pWinStation->UserName, szUserName)) ) {
|
|
memcpy( pInfo->UserName, szUserName, sizeof(pInfo->UserName) );
|
|
memcpy( pWinStation->UserName, szUserName, sizeof(pWinStation->UserName) );
|
|
}
|
|
if ( (szDomainName) && (lstrcmpi(pWinStation->Domain, szDomainName)) ) {
|
|
memcpy( pInfo->Domain, szDomainName, sizeof(pInfo->Domain) );
|
|
memcpy( pWinStation->Domain, szDomainName, sizeof(pWinStation->Domain) );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (szUserName != NULL) {
|
|
MemFree(szUserName);
|
|
}
|
|
|
|
if (szDomainName != NULL) {
|
|
MemFree(szDomainName);
|
|
}
|
|
|
|
pInfo->ConnectState = pWinStation->State;
|
|
pInfo->LogonId = pWinStation->LogonId;
|
|
pInfo->ConnectTime = pWinStation->ConnectTime;
|
|
pInfo->DisconnectTime = pWinStation->DisconnectTime;
|
|
pInfo->LogonTime = pWinStation->LogonTime;
|
|
|
|
if ( pWinStation->hStack && !pWinStation->fOwnsConsoleTerminal ) {
|
|
|
|
// Check for availability
|
|
if ( pWinStation->pWsx &&
|
|
pWinStation->pWsx->pWsxIcaStackIoControl ) {
|
|
|
|
Status = pWinStation->pWsx->pWsxIcaStackIoControl(
|
|
pWinStation->pWsxContext,
|
|
pWinStation->hIca,
|
|
pWinStation->hStack,
|
|
IOCTL_ICA_STACK_QUERY_LAST_INPUT_TIME,
|
|
NULL,
|
|
0,
|
|
&Ica_Stack_Last_Input_Time,
|
|
sizeof( Ica_Stack_Last_Input_Time ),
|
|
&cbReturned );
|
|
|
|
|
|
if ( !NT_SUCCESS( Status ) )
|
|
{
|
|
MemFree( pInfo );
|
|
MemFree( pIca_Stack_Query_Status );
|
|
break;
|
|
}
|
|
|
|
pInfo->LastInputTime = Ica_Stack_Last_Input_Time.LastInputTime;
|
|
}
|
|
|
|
// Check for availability
|
|
if ( pWinStation->pWsx &&
|
|
pWinStation->pWsx->pWsxIcaStackIoControl ) {
|
|
|
|
|
|
|
|
Status = pWinStation->pWsx->pWsxIcaStackIoControl(
|
|
|
|
pWinStation->pWsxContext,
|
|
pWinStation->hIca,
|
|
pWinStation->hStack,
|
|
IOCTL_ICA_STACK_QUERY_STATUS,
|
|
NULL,
|
|
0,
|
|
pIca_Stack_Query_Status,
|
|
sizeof( PROTOCOLSTATUS ),
|
|
&cbReturned );
|
|
|
|
if ( !NT_SUCCESS( Status ) )
|
|
{
|
|
MemFree( pInfo );
|
|
MemFree( pIca_Stack_Query_Status );
|
|
break;
|
|
}
|
|
|
|
pInfo->Status = *pIca_Stack_Query_Status;
|
|
}
|
|
|
|
/*
|
|
* The thinwire cache data is down in WIN32
|
|
*/
|
|
if ( pWinStation->pWin32Context ) {
|
|
WMsg.ApiNumber = SMWinStationThinwireStats;
|
|
|
|
|
|
Status = SendWinStationCommand( pWinStation, &WMsg, gbServer?5:1 );
|
|
|
|
if ( Status == STATUS_SUCCESS ) {
|
|
pInfo->Status.Cache = WMsg.u.ThinwireStats.Stats;
|
|
pWinStation->Cache = WMsg.u.ThinwireStats.Stats;
|
|
} else {
|
|
pInfo->Status.Cache = pWinStation->Cache;
|
|
|
|
}
|
|
Status = STATUS_SUCCESS; // ignore errors getting TW stats
|
|
}
|
|
} else {
|
|
/*
|
|
* This makes winadmin Idle time happy.
|
|
*/
|
|
(VOID) NtQuerySystemTime( &(pInfo->LastInputTime) );
|
|
}
|
|
|
|
(VOID) NtQuerySystemTime( &pInfo->CurrentTime );
|
|
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)pInfo,
|
|
pWinStationInformation);
|
|
*pReturnLength = WinStationInformationLength;
|
|
|
|
MemFree( pIca_Stack_Query_Status );
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
}
|
|
MemFree(pInfo);
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case WinStationConfiguration:
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
|
pWinStationInformation,
|
|
WinStationInformationLength)) {
|
|
Status = STATUS_INVALID_USER_BUFFER;
|
|
break;
|
|
}
|
|
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)&pWinStation->Config.Config,
|
|
pWinStationInformation);
|
|
|
|
if (RpcCheckSystemClientEx( pWinStation ) != STATUS_SUCCESS) {
|
|
PWINSTACONFIGWIREW p = pWinStationInformation;
|
|
PUSERCONFIGW u = (PUSERCONFIGW)((PCHAR)p + p->UserConfig.Offset);
|
|
RtlZeroMemory( &u->Password, sizeof(u->Password) );
|
|
}
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationWd:
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
|
pWinStationInformation,
|
|
WinStationInformationLength)){
|
|
Status = STATUS_INVALID_USER_BUFFER;
|
|
break;
|
|
}
|
|
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)&pWinStation->Config.Wd,
|
|
pWinStationInformation);
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationPd:
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
|
pWinStationInformation,
|
|
WinStationInformationLength)){
|
|
Status = STATUS_INVALID_USER_BUFFER;
|
|
break;
|
|
}
|
|
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)&pWinStation->Config.Pd[0],
|
|
pWinStationInformation);
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationCd:
|
|
if ( WinStationInformationLength > sizeof(CDCONFIG) )
|
|
WinStationInformationLength = sizeof(CDCONFIG);
|
|
|
|
memcpy( pWinStationInformation,
|
|
&pWinStation->Config.Cd,
|
|
WinStationInformationLength );
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationPdParams:
|
|
{
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
|
pWinStationInformation,
|
|
WinStationInformationLength)){
|
|
Status = STATUS_INVALID_USER_BUFFER;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
PDPARAMS *pPdParams;
|
|
|
|
pPdParams = MemAlloc( sizeof( PDPARAMS ) );
|
|
|
|
if (pPdParams)
|
|
{
|
|
|
|
CopyOutWireBuf(WinStationInformationClass,
|
|
(PVOID) pPdParams,
|
|
pWinStationInformation);
|
|
|
|
/*
|
|
* Based on PDClass, this can query any PD
|
|
*/
|
|
if ( pWinStation->hStack &&
|
|
pWinStation->pWsx &&
|
|
pWinStation->pWsx->pWsxIcaStackIoControl ) {
|
|
|
|
Status = pWinStation->pWsx->pWsxIcaStackIoControl(
|
|
pWinStation->pWsxContext,
|
|
pWinStation->hIca,
|
|
pWinStation->hStack,
|
|
IOCTL_ICA_STACK_QUERY_PARAMS,
|
|
pPdParams,
|
|
sizeof(PDPARAMS ),
|
|
pPdParams,
|
|
sizeof( PDPARAMS ),
|
|
pReturnLength );
|
|
|
|
/*
|
|
* If we get an error in the idle/disconnected state,
|
|
* or if this is a session on the local console.
|
|
* then just clear the return buffer and return success.
|
|
*/
|
|
if ( !NT_SUCCESS( Status ) ) {
|
|
if ((pWinStation->fOwnsConsoleTerminal) ||
|
|
(pWinStation->State != State_Active &&
|
|
pWinStation->State != State_Connected )) {
|
|
memset(pPdParams, 0, sizeof(PDPARAMS));
|
|
*pReturnLength = WinStationInformationLength;
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
}
|
|
} else {
|
|
memset( (PVOID)pPdParams, 0, sizeof(PDPARAMS) );
|
|
*pReturnLength = WinStationInformationLength;
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
|
|
if (NT_SUCCESS(Status)) {
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)pPdParams,
|
|
pWinStationInformation);
|
|
}
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
|
|
MemFree( pPdParams );
|
|
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_NO_MEMORY;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case WinStationClient:
|
|
if (!ValidWireBuffer(WinStationInformationClass,
|
|
pWinStationInformation,
|
|
WinStationInformationLength)){
|
|
Status = STATUS_INVALID_USER_BUFFER;
|
|
break;
|
|
}
|
|
|
|
CopyInWireBuf(WinStationInformationClass,
|
|
(PVOID)&pWinStation->Client,
|
|
pWinStationInformation);
|
|
|
|
// if caller is not allow to see it, then scrub the password
|
|
if ( !IsCallerAllowedPasswordAccess() ) {
|
|
PWINSTATIONCLIENT pWSClient = (PWINSTATIONCLIENT)pWinStationInformation;
|
|
PBYTE pStart;
|
|
PBYTE pEnd;
|
|
ULONG ulMaxToScrub;
|
|
|
|
pEnd = (PBYTE) ( pWinStationInformation ) + WinStationInformationLength;
|
|
if ((ULONG_PTR) pEnd > (ULONG_PTR)pWSClient->Password) {
|
|
ulMaxToScrub = (ULONG)((ULONG_PTR) pEnd - (ULONG_PTR)pWSClient->Password);
|
|
if (ulMaxToScrub > sizeof(pWSClient->Password))
|
|
ulMaxToScrub = sizeof(pWSClient->Password);
|
|
memset(pWSClient->Password, 0,ulMaxToScrub);
|
|
}
|
|
}
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationModules:
|
|
// Check for availability
|
|
if (pWinStation->hStack &&
|
|
pWinStation->pWsx &&
|
|
pWinStation->pWsx->pWsxIcaStackIoControl) {
|
|
ULONG b = (ULONG) IsCallerAllowedPasswordAccess();
|
|
|
|
Status = pWinStation->pWsx->pWsxIcaStackIoControl(
|
|
pWinStation->pWsxContext,
|
|
pWinStation->hIca,
|
|
pWinStation->hStack,
|
|
IOCTL_ICA_STACK_QUERY_MODULE_DATA,
|
|
(PVOID) &b,
|
|
sizeof(b),
|
|
pWinStationInformation,
|
|
WinStationInformationLength,
|
|
pReturnLength );
|
|
} else {
|
|
memset( pWinStationInformation, 0, WinStationInformationLength );
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
break;
|
|
|
|
|
|
case WinStationCreateData:
|
|
if ( WinStationInformationLength > sizeof(WINSTATIONCREATE) )
|
|
WinStationInformationLength = sizeof(WINSTATIONCREATE);
|
|
|
|
memcpy( pWinStationInformation,
|
|
&pWinStation->Config.Create,
|
|
WinStationInformationLength );
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationPrinter:
|
|
Status = STATUS_INVALID_DEVICE_REQUEST;
|
|
break;
|
|
|
|
|
|
case WinStationUserToken:
|
|
if ( WinStationInformationLength < sizeof(WINSTATIONUSERTOKEN) ) {
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Check it for WINSTATION_ALL_ACCESS. This will generate an
|
|
* access audit if on.
|
|
*/
|
|
Status = RpcCheckClientAccess( pWinStation, WINSTATION_ALL_ACCESS, FALSE );
|
|
if ( !NT_SUCCESS( Status ) ) {
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Make sure only system mode callers can get this token.
|
|
//
|
|
// A Token is a very dangerous thing to allow someone to
|
|
// get a hold of, since they can create processes that
|
|
// have the tokens subject context.
|
|
//
|
|
Status = RpcCheckSystemClientNoLogonId( pWinStation );
|
|
if (!NT_SUCCESS(Status)) {
|
|
break;
|
|
}
|
|
|
|
Status = xxxGetUserToken(
|
|
pWinStation,
|
|
(WINSTATIONUSERTOKEN UNALIGNED *)pWinStationInformation,
|
|
WinStationInformationLength
|
|
);
|
|
|
|
*pReturnLength = sizeof(WINSTATIONUSERTOKEN);
|
|
break;
|
|
|
|
|
|
case WinStationVideoData:
|
|
if ( !pWinStation->LogonId || !pWinStation->hStack ) {
|
|
Status = STATUS_PROCEDURE_NOT_FOUND;
|
|
break;
|
|
}
|
|
|
|
if ( WinStationInformationLength < sizeof(WINSTATIONVIDEODATA) ) {
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
break;
|
|
}
|
|
|
|
pVideoData = (PWINSTATIONVIDEODATA) pWinStationInformation;
|
|
|
|
pVideoData->HResolution = pWinStation->Client.HRes;
|
|
pVideoData->VResolution = pWinStation->Client.VRes;
|
|
pVideoData->fColorDepth = pWinStation->Client.ColorDepth;
|
|
|
|
*pReturnLength = sizeof(WINSTATIONVIDEODATA);
|
|
break;
|
|
|
|
|
|
case WinStationVirtualData:
|
|
if ( !pWinStation->hStack ) {
|
|
Status = STATUS_INVALID_DEVICE_REQUEST;
|
|
break;
|
|
}
|
|
|
|
if ( WinStationInformationLength < sizeof(VIRTUALCHANNELNAME) ) {
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Open virtual channel handle
|
|
*/
|
|
Status = IcaChannelOpen( pWinStation->hIca,
|
|
Channel_Virtual,
|
|
pWinStationInformation,
|
|
&hVirtual );
|
|
if ( !NT_SUCCESS( Status ) )
|
|
break;
|
|
|
|
/*
|
|
* Query client virtual channel data
|
|
*/
|
|
Status = IcaChannelIoControl( hVirtual,
|
|
IOCTL_ICA_VIRTUAL_QUERY_MODULE_DATA,
|
|
NULL,
|
|
0,
|
|
pWinStationInformation,
|
|
WinStationInformationLength,
|
|
pReturnLength );
|
|
|
|
/*
|
|
* Close virtual channel
|
|
*/
|
|
IcaChannelClose(hVirtual);
|
|
break;
|
|
|
|
|
|
case WinStationLoadBalanceSessionTarget:
|
|
// This query requests the target session ID for a
|
|
// client redirected from another server in a load balancing
|
|
// cluster. Returns -1 for no redirection. This call is
|
|
// normally made only by WinLogon.
|
|
if (WinStationInformationLength > sizeof(ULONG))
|
|
WinStationInformationLength = sizeof(ULONG);
|
|
|
|
if (!pWinStation->bRequestedSessionIDFieldValid)
|
|
*((ULONG *)pWinStationInformation) = (ULONG)-1;
|
|
else
|
|
*((ULONG *)pWinStationInformation) =
|
|
pWinStation->RequestedSessionID;
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
break;
|
|
|
|
|
|
case WinStationShadowInfo:
|
|
{
|
|
PWINSTATIONSHADOW pWinstationShadow;
|
|
|
|
if (WinStationInformationLength >= sizeof(WINSTATIONSHADOW)) {
|
|
|
|
pWinstationShadow = (PWINSTATIONSHADOW) pWinStationInformation;
|
|
|
|
if ( pWinStation->State == State_Shadow ) {
|
|
|
|
// The current state is Shadow so it's a viewer
|
|
pWinstationShadow->ShadowState = State_Shadowing;
|
|
|
|
} else if ( pWinStation->State == State_Active &&
|
|
!IsListEmpty(&pWinStation->ShadowHead) ) {
|
|
|
|
// Active and being shadowed
|
|
pWinstationShadow->ShadowState = State_Shadowed;
|
|
|
|
} else {
|
|
|
|
pWinstationShadow->ShadowState = State_NoShadow;
|
|
}
|
|
|
|
pWinstationShadow->ShadowClass = pWinStation->Config.Config.User.Shadow;
|
|
pWinstationShadow->SessionId = LogonId;
|
|
pWinstationShadow->ProtocolType = pWinStation->Client.ProtocolType;
|
|
|
|
|
|
*pReturnLength = sizeof(WINSTATIONSHADOW);
|
|
}
|
|
else {
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WinStationDigProductId:
|
|
{
|
|
PWINSTATIONPRODID pWinStationProdId;
|
|
|
|
if ( WinStationInformationLength >= sizeof(WINSTATIONPRODID) )
|
|
{
|
|
pWinStationProdId = (PWINSTATIONPRODID)pWinStationInformation;
|
|
memcpy( pWinStationProdId->DigProductId, g_DigProductId, sizeof( g_DigProductId ));
|
|
memcpy( pWinStationProdId->ClientDigProductId, pWinStation->Client.clientDigProductId, sizeof( pWinStation->Client.clientDigProductId ));
|
|
pWinStationProdId->curentSessionId = pWinStation->LogonId;
|
|
pWinStationProdId->ClientSessionId = pWinStation->Client.ClientSessionId;
|
|
|
|
*pReturnLength = WinStationInformationLength;
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case WinStationLockedState:
|
|
{
|
|
BOOL bLockedState;
|
|
if ( pWinStationInformation && (WinStationInformationLength >= sizeof(bLockedState)))
|
|
{
|
|
Status = GetLockedState(pWinStation, &bLockedState);
|
|
*(LPBOOL)pWinStationInformation = bLockedState;
|
|
*pReturnLength = sizeof(bLockedState);
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WinStationRemoteAddress:
|
|
{
|
|
PWINSTATIONREMOTEADDRESS pRemoteAddress = (PWINSTATIONREMOTEADDRESS) pWinStationInformation;
|
|
|
|
if( WinStationInformationLength >= sizeof(WINSTATIONREMOTEADDRESS) )
|
|
{
|
|
Status = xxxQueryRemoteAddress( pWinStation, pRemoteAddress );
|
|
}
|
|
else
|
|
{
|
|
*pReturnLength = sizeof(WINSTATIONREMOTEADDRESS);
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case WinStationLastReconnectType:
|
|
{
|
|
|
|
if ( pWinStationInformation && (WinStationInformationLength >= sizeof(ULONG)))
|
|
{
|
|
*((ULONG *)pWinStationInformation) = pWinStation->LastReconnectType;
|
|
*pReturnLength = sizeof(ULONG);
|
|
}
|
|
else
|
|
{
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case WinStationMprNotifyInfo:
|
|
{
|
|
pExtendedClientCredentials pMprNotifyInfo;
|
|
|
|
// Only System can query this information
|
|
|
|
Status = _CheckCallerLocalAndSystem();
|
|
if (Status != STATUS_SUCCESS) {
|
|
break;
|
|
}
|
|
|
|
if (WinStationInformationLength >= sizeof(ExtendedClientCredentials)) {
|
|
|
|
pMprNotifyInfo = (pExtendedClientCredentials) pWinStationInformation;
|
|
|
|
*pMprNotifyInfo = g_MprNotifyInfo;
|
|
*pReturnLength = sizeof(ExtendedClientCredentials);
|
|
|
|
// Erase the sensitive information now since its no longer needed in TermSrv
|
|
RtlSecureZeroMemory( g_MprNotifyInfo.Domain, wcslen(g_MprNotifyInfo.Domain) * sizeof(WCHAR) );
|
|
RtlSecureZeroMemory( g_MprNotifyInfo.UserName, wcslen(g_MprNotifyInfo.UserName) * sizeof(WCHAR) );
|
|
RtlSecureZeroMemory( g_MprNotifyInfo.Password, wcslen(g_MprNotifyInfo.Password) * sizeof(WCHAR) );
|
|
|
|
} else {
|
|
Status = STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* Fail the call
|
|
*/
|
|
Status = STATUS_INVALID_INFO_CLASS;
|
|
break;
|
|
}
|
|
|
|
ReleaseWinStation(pWinStation);
|
|
|
|
TRACE((hTrace,TC_ICASRV,TT_API2,"TERMSRV: WinStationQueryInformation "
|
|
"LogonId=%d, Class=%d, Status=0x%x\n",
|
|
LogonId, (ULONG)WinStationInformationClass, Status));
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
* xxxGetUserToken
|
|
*
|
|
* Duplicate the users token into the process space of the caller
|
|
* if they are an admin.
|
|
*
|
|
* ENTRY:
|
|
* p (input/output)
|
|
* Argument buffer
|
|
*
|
|
* Length (input)
|
|
* Size of argument buffer
|
|
****************************************************************************/
|
|
NTSTATUS xxxGetUserToken(
|
|
PWINSTATION pWinStation,
|
|
WINSTATIONUSERTOKEN UNALIGNED *p,
|
|
ULONG Size)
|
|
{
|
|
NTSTATUS Status;
|
|
HANDLE RemoteToken;
|
|
HANDLE RemoteProcess;
|
|
CLIENT_ID ClientId;
|
|
OBJECT_ATTRIBUTES ObjA;
|
|
|
|
// Determine if the caller is an admin
|
|
|
|
//
|
|
// If the token is not NULL, duplicate it into the callers
|
|
// process space.
|
|
//
|
|
if (pWinStation->UserToken == NULL) {
|
|
return STATUS_NO_TOKEN;
|
|
}
|
|
|
|
InitializeObjectAttributes(&ObjA, NULL, 0, NULL, NULL);
|
|
ClientId.UniqueProcess = p->ProcessId;
|
|
ClientId.UniqueThread = p->ThreadId;
|
|
|
|
Status = NtOpenProcess(
|
|
&RemoteProcess,
|
|
PROCESS_ALL_ACCESS,
|
|
&ObjA,
|
|
&ClientId);
|
|
|
|
if (!NT_SUCCESS(Status)) {
|
|
TRACE((hTrace,TC_ICASRV,TT_ERROR,"TermSrv GETTOKEN: Error 0x%x "
|
|
"opening remote process %d\n", Status,p->ProcessId));
|
|
return Status;
|
|
}
|
|
|
|
Status = NtDuplicateObject(
|
|
NtCurrentProcess(),
|
|
pWinStation->UserToken,
|
|
RemoteProcess,
|
|
&RemoteToken,
|
|
0,
|
|
0,
|
|
DUPLICATE_SAME_ACCESS);
|
|
|
|
if (!NT_SUCCESS(Status)) {
|
|
TRACE((hTrace,TC_ICASRV,TT_ERROR, "TermSrv GETTOKEN: Error 0x%x "
|
|
"duplicating UserToken\n", Status));
|
|
NtClose( RemoteProcess );
|
|
return Status;
|
|
}
|
|
|
|
p->UserToken = RemoteToken;
|
|
NtClose(RemoteProcess);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|