73 lines
1.6 KiB
C++
73 lines
1.6 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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SecUtil.cxx
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Abstract:
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Utility functions for manipulating cell sections
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Author:
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Kamen Moutafov (kamenm) Dec 99 - Feb 2000
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Revision History:
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--*/
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#include <precomp.hxx>
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RPC_STATUS OpenDbgSection(OUT HANDLE *pHandle, OUT PVOID *pSection,
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IN DWORD ProcessID, IN DWORD *pSectionNumbers OPTIONAL)
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{
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UNICODE_STRING SectionNameString;
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OBJECT_ATTRIBUTES ObjectAttributes;
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NTSTATUS NtStatus;
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RPC_CHAR SectionName[RpcSectionNameMaxSize];
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GenerateSectionName(SectionName, sizeof(SectionName), ProcessID, pSectionNumbers);
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RtlInitUnicodeString(&SectionNameString, SectionName);
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InitializeObjectAttributes(&ObjectAttributes,
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&SectionNameString,
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OBJ_CASE_INSENSITIVE,
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0,
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0);
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NtStatus = NtOpenSection(pHandle, FILE_MAP_READ, &ObjectAttributes);
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if (!NT_SUCCESS(NtStatus))
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{
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if (NtStatus == STATUS_OBJECT_NAME_NOT_FOUND)
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return ERROR_FILE_NOT_FOUND;
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else if (NtStatus == STATUS_ACCESS_DENIED)
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return ERROR_ACCESS_DENIED;
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return RPC_S_OUT_OF_MEMORY;
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}
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*pSection = MapViewOfFileEx(*pHandle, FILE_MAP_READ, 0, 0, 0, NULL);
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if (*pSection == NULL)
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{
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CloseHandle(*pHandle);
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*pHandle = NULL;
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return RPC_S_OUT_OF_MEMORY;
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}
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return RPC_S_OK;
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}
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void CloseDbgSection(IN HANDLE SecHandle, PVOID SecPointer)
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{
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BOOL fResult;
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ASSERT(SecHandle != NULL);
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ASSERT(SecPointer != NULL);
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fResult = UnmapViewOfFile(SecPointer);
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ASSERT(fResult);
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fResult = CloseHandle(SecHandle);
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ASSERT(fResult);
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}
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