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[FLTLIB]

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- On load, open a handle to fltmgr, not the target driver...
- Fixup the load data we send to the fltmgr to be the same Windows layout. We need to copy this interface to allow component sharing between windows and ros.
- Move IOCTLs to shared header

svn path=/trunk/; revision=72591
This commit is contained in:
Ged Murphy 2016-09-06 15:52:38 +00:00
parent 6cc00bad38
commit e37e1f59d3
2 changed files with 19 additions and 17 deletions
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6
reactos/dll/win32/fltlib/CMakeLists.txt
View file

@ -1,8 +1,12 @@
add_definitions(-D__WINESRC__)
include_directories(${REACTOS_SOURCE_DIR}/sdk/include/reactos/wine)
spec2def(fltlib.dll fltlib.spec ADD_IMPORTLIB)
include_directories(
${REACTOS_SOURCE_DIR}/sdk/include/reactos/drivers/fltmgr
${REACTOS_SOURCE_DIR}/sdk/include/reactos/wine
includes)
list(APPEND SOURCE
fltlib.c
stubs.c

30
reactos/dll/win32/fltlib/fltlib.c
View file

@ -17,6 +17,7 @@
#include <ndk/iofuncs.h>
#include <ndk/obfuncs.h>
#include <ndk/rtlfuncs.h>
#include <fltmgr_shared.h>
#include "wine/debug.h"
@ -25,11 +26,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(fltlib);
//MOVEME
#define IOCTL_LOAD_FILTER CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x01, 0, FILE_WRITE_DATA) //88004
#define IOCTL_UNLOAD_FILTER CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x02, 0, FILE_WRITE_DATA) //88008
#define IOCTL_CREATE_FILTER CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 0x03, 0, FILE_READ_DATA) //8400c
static
HRESULT
FilterLoadUnload(_In_z_ LPCWSTR lpFilterName,
@ -69,14 +65,15 @@ HRESULT
FilterLoadUnload(_In_z_ LPCWSTR lpFilterName,
_In_ BOOL Load)
{
PUNICODE_STRING FilterName;
PFILTER_NAME FilterName;
HANDLE hFltMgr;
DWORD StringLength;
DWORD BufferLength;
DWORD dwError;
/* Get a handle to the filter manager */
hFltMgr = CreateFileW(lpFilterName,
GENERIC_READ,
hFltMgr = CreateFileW(L"\\\\.\\fltmgr",
GENERIC_WRITE,
FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
@ -89,30 +86,31 @@ FilterLoadUnload(_In_z_ LPCWSTR lpFilterName,
}
/* Calc and allocate a buffer to hold our filter name */
BufferLength = wcslen(lpFilterName) * sizeof(WCHAR);
StringLength = wcslen(lpFilterName) * sizeof(WCHAR);
BufferLength = StringLength + sizeof(FILTER_NAME);
FilterName = RtlAllocateHeap(GetProcessHeap(),
0,
BufferLength + sizeof(UNICODE_STRING));
BufferLength);
if (FilterName == NULL)
{
CloseHandle(hFltMgr);
return HRESULT_FROM_WIN32(ERROR_OUTOFMEMORY);
}
/* Build up the filter name into a real life string */
FilterName->Buffer = (PWCH)(FilterName + 1);
FilterName->Length = BufferLength;
FilterName->MaximumLength = BufferLength;
RtlCopyMemory(FilterName->Buffer, lpFilterName, BufferLength);
/* Build up the filter name */
FilterName->Length = StringLength;
CopyMemory(FilterName->FilterName, lpFilterName, StringLength);
/* Tell the filter manager to load the filter for us */
dwError = SendIoctl(hFltMgr,
Load ? IOCTL_LOAD_FILTER : IOCTL_UNLOAD_FILTER,
FilterName,
BufferLength + sizeof(UNICODE_STRING));
BufferLength);
/* Cleaup and bail*/
RtlFreeHeap(GetProcessHeap(), 0, FilterName);
CloseHandle(hFltMgr);
return HRESULT_FROM_WIN32(dwError);
}