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Fixed memory overwrite due to too-small allocation.

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svn path=/trunk/; revision=10305
This commit is contained in:
Art Yerkes 2004-07-29 04:09:06 +00:00
parent b6a9c73c88
commit c0dd64494d
4 changed files with 38 additions and 25 deletions
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50
reactos/drivers/net/afd/afd/info.c
View file

@ -1,4 +1,4 @@
/* $Id: info.c,v 1.3 2004/07/18 22:53:59 arty Exp $
/* $Id: info.c,v 1.4 2004/07/29 04:09:06 arty Exp $
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/net/afd/afd/info.c
@ -11,6 +11,7 @@
#include "tdi_proto.h"
#include "tdiconn.h"
#include "debug.h"
#include "pseh.h"
NTSTATUS STDCALL
AfdGetInfo( PDEVICE_OBJECT DeviceObject, PIRP Irp,
@ -22,29 +23,34 @@ AfdGetInfo( PDEVICE_OBJECT DeviceObject, PIRP Irp,
AFD_DbgPrint(MID_TRACE,("Called %x %x\n", InfoReq,
InfoReq ? InfoReq->InformationClass : 0));
if( !SocketAcquireStateLock( FCB ) ) return LostSocket( Irp, TRUE );
switch( InfoReq->InformationClass ) {
case AFD_INFO_RECEIVE_WINDOW_SIZE:
InfoReq->Information.Ulong = FCB->Recv.Size;
break;
case AFD_INFO_SEND_WINDOW_SIZE:
InfoReq->Information.Ulong = FCB->Send.Size;
AFD_DbgPrint(MID_TRACE,("Send window size %d\n", FCB->Send.Size));
break;
case AFD_INFO_GROUP_ID_TYPE:
InfoReq->Information.Ulong = 0; /* What is group id */
break;
default:
AFD_DbgPrint(MID_TRACE,("Unknown info id %x\n",
InfoReq->InformationClass));
_SEH_TRY {
if( !SocketAcquireStateLock( FCB ) ) return LostSocket( Irp, TRUE );
switch( InfoReq->InformationClass ) {
case AFD_INFO_RECEIVE_WINDOW_SIZE:
InfoReq->Information.Ulong = FCB->Recv.Size;
break;
case AFD_INFO_SEND_WINDOW_SIZE:
InfoReq->Information.Ulong = FCB->Send.Size;
AFD_DbgPrint(MID_TRACE,("Send window size %d\n", FCB->Send.Size));
break;
case AFD_INFO_GROUP_ID_TYPE:
InfoReq->Information.Ulong = 0; /* What is group id */
break;
default:
AFD_DbgPrint(MID_TRACE,("Unknown info id %x\n",
InfoReq->InformationClass));
Status = STATUS_INVALID_PARAMETER;
break;
}
} _SEH_HANDLE {
AFD_DbgPrint(MID_TRACE,("Exception executing GetInfo\n"));
Status = STATUS_INVALID_PARAMETER;
break;
}
} _SEH_END;
AFD_DbgPrint(MID_TRACE,("Returning %x\n", Status));

6
reactos/drivers/net/afd/afd/main.c
View file

@ -1,4 +1,4 @@
/* $Id: main.c,v 1.2 2004/07/18 22:49:17 arty Exp $
/* $Id: main.c,v 1.3 2004/07/29 04:09:06 arty Exp $
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: drivers/net/afd/afd/main.c
@ -51,6 +51,8 @@ AfdCreateSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
PWCHAR EaInfoValue;
UINT Disposition, i;
__asm("int3");
AFD_DbgPrint(MID_TRACE,
("AfdCreate(DeviceObject %p Irp %p)\n", DeviceObject, Irp));
@ -80,7 +82,7 @@ AfdCreateSocket(PDEVICE_OBJECT DeviceObject, PIRP Irp,
AFD_DbgPrint(MID_TRACE,("About to allocate the new FCB\n"));
FCB = ExAllocatePool(NonPagedPool, sizeof(PAFD_FCB));
FCB = ExAllocatePool(NonPagedPool, sizeof(AFD_FCB));
if( FCB == NULL ) {
Irp->IoStatus.Status = STATUS_NO_MEMORY;
IoCompleteRequest(Irp, IO_NO_INCREMENT);

2
reactos/drivers/net/afd/afd/tdi.c
View file

@ -140,6 +140,7 @@ NTSTATUS TdiOpenDevice(
} else {
AFD_DbgPrint(MIN_TRACE, ("ZwCreateFile() failed with status (0x%X)\n", Status));
}
return Status;
}
@ -203,6 +204,7 @@ NTSTATUS TdiOpenAddressFile(
Address =
(PTRANSPORT_ADDRESS)(EaInfo->EaName + TDI_TRANSPORT_ADDRESS_LENGTH + 1); /* 0-terminated */
TaCopyTransportAddressInPlace( Address, Name );
Status = TdiOpenDevice(DeviceName,
EaLength,
EaInfo,

5
reactos/drivers/net/afd/makefile
View file

@ -1,4 +1,4 @@
# $Id: makefile,v 1.11 2004/07/18 22:49:16 arty Exp $
# $Id: makefile,v 1.12 2004/07/29 04:09:05 arty Exp $
PATH_TO_TOP = ../../..
@ -6,6 +6,9 @@ TARGET_TYPE = driver
TARGET_NAME = afd
TARGET_DDKLIBS = \
$(PATH_TO_TOP)/dk/w32/lib/pseh.a
TARGET_CFLAGS = -I./include -I$(PATH_TO_TOP)/w32api/include/ddk -I$(PATH_TO_TOP)/include/afd -DDBG -D__USE_W32API -Werror -Wall
TARGET_OBJECTS = \