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Fix buffer overflow, add some debug prints.

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svn path=/trunk/; revision=41076
This commit is contained in:
Dmitry Gorbachev 2009-05-23 15:02:19 +00:00
parent e7a79115c6
commit fc4d23fa18
2 changed files with 11 additions and 9 deletions
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14
reactos/base/system/smss/smapi.c
View file

@ -68,7 +68,7 @@ SmpCallbackServer (PSM_PORT_MESSAGE Request,
ULONG CallbackPortNameLength = SM_SB_NAME_MAX_LENGTH; /* TODO: compute length */ ULONG CallbackPortNameLength = SM_SB_NAME_MAX_LENGTH; /* TODO: compute length */
SB_CONNECT_DATA SbConnectData; SB_CONNECT_DATA SbConnectData;
ULONG SbConnectDataLength = sizeof SbConnectData; ULONG SbConnectDataLength = sizeof SbConnectData;
SECURITY_QUALITY_OF_SERVICE SecurityQos; SECURITY_QUALITY_OF_SERVICE SecurityQos;
DPRINT("SM: %s called\n", __FUNCTION__); DPRINT("SM: %s called\n", __FUNCTION__);
@ -118,7 +118,7 @@ SmpApiConnectedThread(PVOID pConnectedPort)
HANDLE ConnectedPort = * (PHANDLE) pConnectedPort; HANDLE ConnectedPort = * (PHANDLE) pConnectedPort;
DPRINT("SM: %s called\n", __FUNCTION__); DPRINT("SM: %s called\n", __FUNCTION__);
RtlZeroMemory(&Request, sizeof(SM_PORT_MESSAGE)); RtlZeroMemory(&Request, sizeof(SM_PORT_MESSAGE));
while (TRUE) while (TRUE)
{ {
@ -160,10 +160,13 @@ SmpApiConnectedThread(PVOID pConnectedPort)
} }
} else { } else {
/* LPC failed */ /* LPC failed */
DPRINT1("SM: %s: NtReplyWaitReceivePort() failed (Status=0x%08lx)\n",
__FUNCTION__, Status);
break; break;
} }
} }
NtClose (ConnectedPort); NtClose (ConnectedPort);
DPRINT("SM: %s done\n", __FUNCTION__);
NtTerminateThread (NtCurrentThread(), Status); NtTerminateThread (NtCurrentThread(), Status);
} }
@ -267,7 +270,7 @@ SmpHandleConnectionRequest (PSM_PORT_MESSAGE Request)
__FUNCTION__, Status); __FUNCTION__, Status);
return Status; return Status;
} else { } else {
DPRINT("SM: %s: completing conn req\n", __FUNCTION__); DPRINT("SM: %s: completing connection request\n", __FUNCTION__);
Status = NtCompleteConnectPort (*ClientDataApiPort); Status = NtCompleteConnectPort (*ClientDataApiPort);
if (!NT_SUCCESS(Status)) if (!NT_SUCCESS(Status))
{ {
@ -293,6 +296,7 @@ SmpHandleConnectionRequest (PSM_PORT_MESSAGE Request)
* necessary in NT LPC, because server side connected ports are * necessary in NT LPC, because server side connected ports are
* never used to receive requests. * never used to receive requests.
*/ */
#if 0
VOID NTAPI VOID NTAPI
SmpApiThread (HANDLE ListeningPort) SmpApiThread (HANDLE ListeningPort)
{ {
@ -323,7 +327,7 @@ SmpApiThread (HANDLE ListeningPort)
/* DIE */ /* DIE */
NtTerminateThread(NtCurrentThread(), Status); NtTerminateThread(NtCurrentThread(), Status);
} }
#endif
/* LPC PORT INITIALIZATION **************************************************/ /* LPC PORT INITIALIZATION **************************************************/
@ -338,7 +342,7 @@ NTSTATUS
SmCreateApiPort(VOID) SmCreateApiPort(VOID)
{ {
OBJECT_ATTRIBUTES ObjectAttributes = {0}; OBJECT_ATTRIBUTES ObjectAttributes = {0};
UNICODE_STRING UnicodeString = RTL_CONSTANT_STRING(L"\\SmApiPort"); UNICODE_STRING UnicodeString = RTL_CONSTANT_STRING(SM_API_PORT_NAME);
NTSTATUS Status = STATUS_SUCCESS; NTSTATUS Status = STATUS_SUCCESS;
InitializeObjectAttributes(&ObjectAttributes, InitializeObjectAttributes(&ObjectAttributes,

6
reactos/include/reactos/subsys/sm/api.h
View file

@ -1,4 +1,3 @@
/* $Id$ */
#ifndef __SM_API_H #ifndef __SM_API_H
#define __SM_API_H #define __SM_API_H
@ -107,7 +106,7 @@ typedef struct _SM_PORT_MESSAGE_QRYINFO
/*** | ****************************************************************/ /*** | ****************************************************************/
typedef union _SM_PORT_MESSAGE typedef struct _SM_PORT_MESSAGE
{ {
/*** LPC common header ***/ /*** LPC common header ***/
PORT_MESSAGE Header; PORT_MESSAGE Header;
@ -115,7 +114,6 @@ typedef union _SM_PORT_MESSAGE
{ {
struct struct
{ {
UCHAR LpcHeader[sizeof(PORT_MESSAGE)];
/*** SM common header ***/ /*** SM common header ***/
struct struct
{ {
@ -139,7 +137,7 @@ typedef union _SM_PORT_MESSAGE
} Reply; } Reply;
}; };
}; };
UCHAR PadBuffer[PORT_MAXIMUM_MESSAGE_LENGTH]; SM_CONNECT_DATA ConnectData;
}; };
} SM_PORT_MESSAGE, * PSM_PORT_MESSAGE; } SM_PORT_MESSAGE, * PSM_PORT_MESSAGE;