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[LDR][APPHELP] Add a shim that disables manifest compatibility version parsing

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This commit is contained in:
Mark Jansen 2019-08-19 02:33:13 +02:00
parent e12abf63c5
commit 343442cc3f
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GPG key ID: B39240EE84BEAE8B
4 changed files with 38 additions and 25 deletions
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17
sdk/include/reactos/compat_undoc.h
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@ -13,21 +13,16 @@ typedef struct _ReactOS_ShimData
#define REACTOS_SHIMDATA_MAGIC 0xAC0DEDAB
#define REACTOS_COMPATVERSION_UNINITIALIZED 0xfffffffe
#define REACTOS_COMPATVERSION_IGNOREMANIFEST 0xffffffff
#ifndef WINVER_VISTA
#define WINVER_VISTA 0x0600
#define WINVER_WIN7 0x0601
#define WINVER_WIN8 0x0602
#define WINVER_WIN81 0x0603
#define WINVER_WIN10 0x0a00
#endif
// Returns values in the form of _WIN32_WINNT_VISTA, _WIN32_WINNT_WIN7 etc
static
inline
DWORD RosGetProcessCompatVersion(VOID)
{
static DWORD g_CompatVersion = 0xffffffff;
if (g_CompatVersion == 0xffffffff)
static DWORD g_CompatVersion = REACTOS_COMPATVERSION_UNINITIALIZED;
if (g_CompatVersion == REACTOS_COMPATVERSION_UNINITIALIZED)
{
ReactOS_ShimData* pShimData = (ReactOS_ShimData*)NtCurrentPeb()->pShimData;
if (pShimData && pShimData->dwMagic == REACTOS_SHIMDATA_MAGIC &&
@ -36,7 +31,7 @@ DWORD RosGetProcessCompatVersion(VOID)
g_CompatVersion = pShimData->dwRosProcessCompatVersion;
}
}
return g_CompatVersion != 0xffffffff ? g_CompatVersion : 0;
return g_CompatVersion < REACTOS_COMPATVERSION_UNINITIALIZED ? g_CompatVersion : 0;
}