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ntdll: Implement RtlOpenCrossProcessEmulatorWorkConnection().

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This commit is contained in:
Alexandre Julliard 2023-08-28 11:39:42 +02:00
parent f6ccadda8a
commit b521507591
4 changed files with 58 additions and 1 deletions
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1
dlls/ntdll/ntdll.spec
View file

@ -901,6 +901,7 @@
@ stdcall RtlOemStringToUnicodeSize(ptr)
@ stdcall RtlOemStringToUnicodeString(ptr ptr long)
@ stdcall RtlOemToUnicodeN(ptr long ptr ptr long)
@ stdcall -arch=win64 RtlOpenCrossProcessEmulatorWorkConnection(long ptr ptr)
@ stdcall RtlOpenCurrentUser(long ptr)
@ stdcall RtlPcToFileHeader(ptr ptr)
@ stdcall RtlPinAtomInAtomTable(ptr long)

28
dlls/ntdll/process.c
View file

@ -303,6 +303,34 @@ done:
}
/**********************************************************************
* RtlOpenCrossProcessEmulatorWorkConnection (NTDLL.@)
*/
void WINAPI RtlOpenCrossProcessEmulatorWorkConnection( HANDLE process, HANDLE *section, void **addr )
{
WOW64INFO wow64info;
BOOLEAN is_wow64;
SIZE_T size = 0;
*addr = NULL;
*section = 0;
if (RtlWow64GetSharedInfoProcess( process, &is_wow64, &wow64info )) return;
if (!is_wow64) return;
if (!wow64info.SectionHandle) return;
if (NtDuplicateObject( process, (HANDLE)(ULONG_PTR)wow64info.SectionHandle,
GetCurrentProcess(), section, 0, 0, DUPLICATE_SAME_ACCESS ))
return;
if (!NtMapViewOfSection( *section, GetCurrentProcess(), addr, 0, 0, NULL,
&size, ViewShare, 0, PAGE_READWRITE )) return;
NtClose( *section );
*section = 0;
}
/**********************************************************************
* RtlWow64PopAllCrossProcessWorkFromWorkList (NTDLL.@)
*/

29
dlls/ntdll/tests/wow64.c
View file

@ -27,6 +27,7 @@
static NTSTATUS (WINAPI *pNtQuerySystemInformation)(SYSTEM_INFORMATION_CLASS,void*,ULONG,ULONG*);
static NTSTATUS (WINAPI *pNtQuerySystemInformationEx)(SYSTEM_INFORMATION_CLASS,void*,ULONG,void*,ULONG,ULONG*);
static NTSTATUS (WINAPI *pRtlGetNativeSystemInformation)(SYSTEM_INFORMATION_CLASS,void*,ULONG,ULONG*);
static void (WINAPI *pRtlOpenCrossProcessEmulatorWorkConnection)(HANDLE,HANDLE*,void**);
static USHORT (WINAPI *pRtlWow64GetCurrentMachine)(void);
static NTSTATUS (WINAPI *pRtlWow64GetProcessMachines)(HANDLE,WORD*,WORD*);
static NTSTATUS (WINAPI *pRtlWow64GetSharedInfoProcess)(HANDLE,BOOLEAN*,WOW64INFO*);
@ -92,6 +93,7 @@ static void init(void)
GET_PROC( NtQuerySystemInformation );
GET_PROC( NtQuerySystemInformationEx );
GET_PROC( RtlGetNativeSystemInformation );
GET_PROC( RtlOpenCrossProcessEmulatorWorkConnection );
GET_PROC( RtlWow64GetCurrentMachine );
GET_PROC( RtlWow64GetProcessMachines );
GET_PROC( RtlWow64GetSharedInfoProcess );
@ -443,8 +445,33 @@ static void test_peb_teb(void)
ok( ret, "ReadProcessMemory failed %lu\n", GetLastError() );
ok( !memcmp( data, addr, size ), "wrong data\n" );
free( data );
UnmapViewOfFile( addr );
CloseHandle( handle );
if (pRtlOpenCrossProcessEmulatorWorkConnection)
{
pRtlOpenCrossProcessEmulatorWorkConnection( pi.hProcess, &handle, &data );
ok( handle != 0, "got 0 handle\n" );
ok( data != NULL, "got NULL data\n" );
ok( !memcmp( data, addr, size ), "wrong data\n" );
UnmapViewOfFile( data );
data = NULL;
size = 0;
status = NtMapViewOfSection( handle, GetCurrentProcess(), &data, 0, 0, NULL,
&size, ViewShare, 0, PAGE_READWRITE );
ok( !status, "NtMapViewOfSection failed %lx\n", status );
ok( !memcmp( data, addr, size ), "wrong data\n" );
ok( CloseHandle( handle ), "invalid handle\n" );
UnmapViewOfFile( data );
handle = (HANDLE)0xdead;
data = (void *)0xdeadbeef;
pRtlOpenCrossProcessEmulatorWorkConnection( GetCurrentProcess(), &handle, &data );
ok( !handle, "got handle %p\n", handle );
ok( !data, "got data %p\n", data );
}
else skip( "RtlOpenCrossProcessEmulatorWorkConnection not supported\n" );
UnmapViewOfFile( addr );
}
else trace( "no WOW64INFO section handle\n" );
}

1
include/winternl.h
View file

@ -5017,6 +5017,7 @@ NTSYSAPI NTSTATUS WINAPI vDbgPrintExWithPrefix(LPCSTR,ULONG,ULONG,LPCSTR,__ms_v
/* 32-bit or 64-bit only functions */
#ifdef _WIN64
NTSYSAPI void WINAPI RtlOpenCrossProcessEmulatorWorkConnection(HANDLE,HANDLE*,void**);
NTSYSAPI NTSTATUS WINAPI RtlWow64GetCpuAreaInfo(WOW64_CPURESERVED*,ULONG,WOW64_CPU_AREA_INFO*);
NTSYSAPI NTSTATUS WINAPI RtlWow64GetCurrentCpuArea(USHORT*,void**,void**);
NTSYSAPI NTSTATUS WINAPI RtlWow64GetThreadContext(HANDLE,WOW64_CONTEXT*);