Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-05-18 00:31:27 +00:00
Code Issues Projects Releases Packages Wiki Activity

[Win32SS] Complete Print Driver Callbacks

Browse source 
This callback works. Haven't commit the rest yet. Still thinking about
the data packets types and shapes. Using wordpad to test this. It works,
loads and unloads due to incomplete driver support and no PDEV. It
crashes in ComCtl32 while loading a text file. When this gets committed
without a solution, the code will be commented out.
This commit is contained in:
jimtabor 2019-06-22 12:02:51 -05:00
parent 49165276f2
commit 8c7705eb5d
2 changed files with 51 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
win32ss/user/ntuser/callback.c
View file

@ -1208,27 +1208,26 @@ co_IntSetupOBM(VOID)
IntCbFreeMemory(Argument);
}
//
// Called from Kernel GDI sides, no UserLeave/EnterCo required.
//
LRESULT
APIENTRY
co_UserCBClientPrinterThunk( PVOID pkt, INT InSize, PVOID pvOutData, INT OutSize )
{
ULONG ResultLength;
PVOID ResultPointer;
NTSTATUS Status;
UserLeaveCo();
Status = KeUserModeCallback(USER32_CALLBACK_UMPD,
0,
0,
&ResultPointer,
&ResultLength);
pkt,
InSize,
pvOutData,
(PULONG)&OutSize);
UserEnterCo();
if (!NT_SUCCESS(Status))
{
ERR("User UMPD callback failed!\n");
return 1;
}
return 0;

45
win32ss/user/user32/misc/dllmain.c
View file

@ -2,6 +2,23 @@
#include <ndk/cmfuncs.h>
#define MAX_USER_MODE_DRV_BUFFER 526
//
// UMPD Packet Header should match win32ss/include/ntumpd.h
//
typedef struct _UMPDPKTHEAD
{
INT Size;
INT Index;
INT RetSize;
DWORD Reserved;
HUMPD humpd;
ULONG_PTR Buffer[];
} UMPDPKTHEAD, *PUMPDPKTHEAD;
INT WINAPI GdiPrinterThunk(PUMPDPKTHEAD,PVOID,INT);
WINE_DEFAULT_DEBUG_CHANNEL(user32);
#define KEY_LENGTH 1024
@ -667,6 +684,30 @@ NTSTATUS WINAPI User32CallLPKFromKernel(PVOID Arguments, ULONG ArgumentLength)
NTSTATUS WINAPI User32CallUMPDFromKernel(PVOID Arguments, ULONG ArgumentLength)
{
// = GdiPrinterThunk( , , );
return ZwCallbackReturn(Arguments, ArgumentLength, STATUS_SUCCESS);
DWORD Buffer[MAX_USER_MODE_DRV_BUFFER];
INT cbSize = 0;
NTSTATUS Status = STATUS_SUCCESS;
PUMPDPKTHEAD pkt, pktOut = NULL;
pkt = (PUMPDPKTHEAD)Arguments;
if ( pkt->RetSize <= sizeof(Buffer) )
{
pktOut = (PUMPDPKTHEAD)Buffer;
if ( (GdiPrinterThunk( pkt, pktOut, pkt->RetSize ) == GDI_ERROR) )
{
pktOut = NULL;
Status = STATUS_UNSUCCESSFUL;
}
else
{
cbSize = pkt->RetSize;
}
}
else
{
Status = STATUS_NO_MEMORY;
}
return ZwCallbackReturn( pktOut, cbSize, Status );
}