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96 lines
2.5 KiB
96 lines
2.5 KiB
/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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ForceSeparateVDM.cpp
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Abstract:
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Force child processes to use a separate VDM.
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This can be useful if the parent process wants to wait on a handle returned
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by CreateProcess. This only works because of a hack in the VDM that returns
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and actual thread handle that will go away along with the process if a VDM
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doesn't already exist.
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Notes:
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This is a general purpose shim.
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History:
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06/14/2001 linstev Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(ForceSeparateVDM)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(CreateProcessA)
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APIHOOK_ENUM_ENTRY(CreateProcessW)
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APIHOOK_ENUM_END
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BOOL
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APIHOOK(CreateProcessA)(
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LPCSTR lpApplicationName,
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LPSTR lpCommandLine,
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LPSECURITY_ATTRIBUTES lpProcessAttributes,
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LPSECURITY_ATTRIBUTES lpThreadAttributes,
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BOOL bInheritHandles,
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DWORD dwCreationFlags,
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LPVOID lpEnvironment,
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LPSTR lpCurrentDirectory,
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LPSTARTUPINFOA lpStartupInfo,
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LPPROCESS_INFORMATION lpProcessInformation
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)
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{
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if (!(dwCreationFlags & CREATE_SEPARATE_WOW_VDM)) {
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LOGN(eDbgLevelWarning, "Added CREATE_SEPARATE_WOW_VDM to CreateProcessA");
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}
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return ORIGINAL_API(CreateProcessA)(lpApplicationName, lpCommandLine,
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lpProcessAttributes, lpThreadAttributes, bInheritHandles,
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dwCreationFlags | CREATE_SEPARATE_WOW_VDM,
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lpEnvironment, lpCurrentDirectory, lpStartupInfo, lpProcessInformation);
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}
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BOOL
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APIHOOK(CreateProcessW)(
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LPCWSTR lpApplicationName,
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LPWSTR lpCommandLine,
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LPSECURITY_ATTRIBUTES lpProcessAttributes,
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LPSECURITY_ATTRIBUTES lpThreadAttributes,
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BOOL bInheritHandles,
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DWORD dwCreationFlags,
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LPVOID lpEnvironment,
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LPWSTR lpCurrentDirectory,
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LPSTARTUPINFOW lpStartupInfo,
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LPPROCESS_INFORMATION lpProcessInformation
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)
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{
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if (!(dwCreationFlags & CREATE_SEPARATE_WOW_VDM)) {
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LOGN(eDbgLevelWarning, "Added CREATE_SEPARATE_WOW_VDM to CreateProcessW");
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}
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return ORIGINAL_API(CreateProcessW)(lpApplicationName, lpCommandLine,
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lpProcessAttributes, lpThreadAttributes, bInheritHandles,
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dwCreationFlags | CREATE_SEPARATE_WOW_VDM,
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lpEnvironment, lpCurrentDirectory, lpStartupInfo, lpProcessInformation);
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(KERNEL32.DLL, CreateProcessA)
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APIHOOK_ENTRY(KERNEL32.DLL, CreateProcessW)
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HOOK_END
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IMPLEMENT_SHIM_END
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