149 lines
3 KiB
C++
149 lines
3 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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trace.c
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Abstract:
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Contains the initialization function for event tracing, the callback function
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which enables and disables tracing, plus the handles and trace flag.
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Author:
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15-June-2000 Jason Clark
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Revision History:
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--*/
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//
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//
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//
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#define INITGUID
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#include <Global.h>
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#include "trace.h"
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#define IMAGE_PATH L"Msv1_0.dll"
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#define RESOURCE_NAME L"MofResource"
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BOOL NtlmGlobalEventTraceFlag = FALSE;
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TRACEHANDLE NtlmGlobalTraceRegistrationHandle = (TRACEHANDLE) 0;
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TRACEHANDLE NtlmGlobalTraceLoggerHandle = (TRACEHANDLE) 0;
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ULONG
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NtlmTraceControlCallback(
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IN WMIDPREQUESTCODE RequestCode,
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IN PVOID RequestContext,
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IN OUT ULONG *InOutBufferSize,
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IN OUT PVOID Buffer
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);
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TRACE_GUID_REGISTRATION NtlmTraceGuids[] =
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{
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{ &NtlmAcceptGuid,
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NULL
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},
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{ &NtlmInitializeGuid,
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NULL
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},
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{ &NtlmLogonGuid,
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NULL
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},
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{ &NtlmValidateGuid,
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NULL
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},
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{ &NtlmGenericPassthroughGuid,
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NULL
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}
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};
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#define NtlmGuidCount (sizeof(NtlmTraceGuids) / sizeof(TRACE_GUID_REGISTRATION))
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ULONG
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NtlmInitializeTrace(
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VOID
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)
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{
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ULONG status;
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HMODULE hModule;
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TCHAR FileName[MAX_PATH+1];
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DWORD nLen = 0;
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hModule = GetModuleHandle(IMAGE_PATH);
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if (hModule != NULL) {
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nLen = GetModuleFileName(hModule, FileName, MAX_PATH);
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}
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if (nLen == 0) {
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lstrcpy(FileName, IMAGE_PATH);
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}
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status = RegisterTraceGuids(
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NtlmTraceControlCallback,
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NULL,
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&NtlmControlGuid,
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NtlmGuidCount,
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NtlmTraceGuids,
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(LPCWSTR) FileName,
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(LPCWSTR) RESOURCE_NAME,
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&NtlmGlobalTraceRegistrationHandle);
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if (status != ERROR_SUCCESS) {
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SspPrint((SSP_API, "Trace registration failed with %x\n",status));
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//DebugLog((DEB_ERROR,"Trace registration failed with %x\n",status));
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}
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return status;
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}
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ULONG
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NtlmTraceControlCallback(
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IN WMIDPREQUESTCODE RequestCode,
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IN PVOID RequestContext,
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IN OUT ULONG *InOutBufferSize,
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IN OUT PVOID Buffer
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)
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{
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PWNODE_HEADER Wnode = (PWNODE_HEADER)Buffer;
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ULONG Status;
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ULONG RetSize;
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Status = ERROR_SUCCESS;
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SspPrint((SSP_API,"NtlmTrace callback\n"));
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switch (RequestCode)
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{
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case WMI_ENABLE_EVENTS:
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{
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NtlmGlobalTraceLoggerHandle =
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GetTraceLoggerHandle(Buffer);
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NtlmGlobalEventTraceFlag = TRUE;
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RetSize = 0;
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break;
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}
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case WMI_DISABLE_EVENTS:
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{
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NtlmGlobalEventTraceFlag = FALSE;
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RetSize = 0;
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NtlmGlobalTraceLoggerHandle = (TRACEHANDLE) 0;
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break;
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}
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default:
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{
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RetSize = 0;
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Status = ERROR_INVALID_PARAMETER;
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break;
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}
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}
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*InOutBufferSize = RetSize;
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return Status;
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} // NtlmTraceControlCallback
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