Muldersoft/MUtilities
Muldersoft/MUtilities
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Added functions to disable/re-enable WOW64 filesystem redirection.

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This commit is contained in:
LoRd_MuldeR 2015-03-01 21:57:53 +01:00
parent 25877bc3b8
commit 6c3049c3dc
2 changed files with 77 additions and 0 deletions
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5
include/MUtils/OSSupport.h
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@ -163,8 +163,13 @@ namespace MUtils
MUTILS_API bool setup_timer_resolution(const quint32 &interval = 1);
MUTILS_API bool reset_timer_resolution(const quint32 &interval = 1);
//Keyboard support
MUTILS_API bool check_key_state_esc(void);
//WOW64 redirection
MUTILS_API bool wow64fsredir_disable(void *oldValue);
MUTILS_API bool wow64fsredir_revert (void *oldValue);
//Check if debugger is present
MUTILS_API void check_debugger(void);

72
src/OSSupport_Win32.cpp
View File

@ -1046,6 +1046,78 @@ bool MUtils::OS::check_key_state_esc(void)
return (GetAsyncKeyState(VK_ESCAPE) & 0x0001) != 0;
}
///////////////////////////////////////////////////////////////////////////////
// WOW64 REDIRECTION
///////////////////////////////////////////////////////////////////////////////
typedef BOOL (_stdcall *Wow64DisableWow64FsRedirectionFun)(void *OldValue);
typedef BOOL (_stdcall *Wow64RevertWow64FsRedirectionFun )(void *OldValue);
static QReadWriteLock g_wow64redir_lock;
static QScopedPointer<QLibrary> g_wow64redir_kernel32;
static Wow64DisableWow64FsRedirectionFun g_wow64redir_disable = NULL;
static Wow64RevertWow64FsRedirectionFun g_wow64redir_revert = NULL;
static bool wow64fsredir_init()
{
QWriteLocker writeLock(&g_wow64redir_lock);
if(g_wow64redir_disable && g_wow64redir_revert)
{
return true; /*already initialized*/
}
if(g_wow64redir_kernel32.isNull())
{
g_wow64redir_kernel32.reset(new QLibrary("kernel32.dll"));
}
if(!g_wow64redir_kernel32->isLoaded())
{
if(!g_wow64redir_kernel32->load())
{
return false; /*faild to load kernel32.dll*/
}
}
g_wow64redir_disable = (Wow64DisableWow64FsRedirectionFun) g_wow64redir_kernel32->resolve("Wow64DisableWow64FsRedirection");
g_wow64redir_revert = (Wow64RevertWow64FsRedirectionFun) g_wow64redir_kernel32->resolve("Wow64RevertWow64FsRedirection");
return (g_wow64redir_disable && g_wow64redir_revert);
}
#define WOW64FSREDIR_INIT(RDLOCK) do \
{ \
while(!(g_wow64redir_disable && g_wow64redir_revert)) \
{ \
(RDLOCK).unlock(); \
if(!wow64fsredir_init()) return false; \
(RDLOCK).relock(); \
} \
} \
while(0)
bool MUtils::OS::wow64fsredir_disable(void *oldValue)
{
QReadLocker readLock(&g_wow64redir_lock);
WOW64FSREDIR_INIT(readLock);
if(g_wow64redir_disable(oldValue))
{
return true;
}
return false;
}
bool MUtils::OS::wow64fsredir_revert(void *oldValue)
{
QReadLocker readLock(&g_wow64redir_lock);
WOW64FSREDIR_INIT(readLock);
if(g_wow64redir_revert(oldValue))
{
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// DEBUGGER CHECK
///////////////////////////////////////////////////////////////////////////////