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[UMPNPMGR] PNP_RegisterNotification: Add notification filter parameter checks

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This commit is contained in:
Eric Kohl 2019-06-29 17:52:56 +02:00
parent b695971c7f
commit 8f5fe0fa4f
1 changed files with 34 additions and 0 deletions
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34
base/services/umpnpmgr/rpcserver.c
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@ -3539,6 +3539,8 @@ PNP_RegisterNotification(
DWORD ulUnknown8,
DWORD *pulUnknown9)
{
PDEV_BROADCAST_DEVICEINTERFACE_W pBroadcastDeviceInterface;
PDEV_BROADCAST_HANDLE pBroadcastDeviceHandle;
#if 0
PNOTIFY_DATA pNotifyData;
#endif
@ -3555,6 +3557,38 @@ PNP_RegisterNotification(
if (ulFlags & ~0x7)
return CR_INVALID_FLAG;
if ((ulNotificationFilterSize < sizeof(DEV_BROADCAST_HDR)) ||
(((PDEV_BROADCAST_HDR)pNotificationFilter)->dbch_size < sizeof(DEV_BROADCAST_HDR)))
return CR_INVALID_DATA;
if (((PDEV_BROADCAST_HDR)pNotificationFilter)->dbch_devicetype == DBT_DEVTYP_DEVICEINTERFACE)
{
DPRINT1("DBT_DEVTYP_DEVICEINTERFACE\n");
pBroadcastDeviceInterface = (PDEV_BROADCAST_DEVICEINTERFACE_W)pNotificationFilter;
if ((ulNotificationFilterSize < sizeof(DEV_BROADCAST_DEVICEINTERFACE_W)) ||
(pBroadcastDeviceInterface->dbcc_size < sizeof(DEV_BROADCAST_DEVICEINTERFACE_W)))
return CR_INVALID_DATA;
}
else if (((PDEV_BROADCAST_HDR)pNotificationFilter)->dbch_devicetype == DBT_DEVTYP_HANDLE)
{
DPRINT1("DBT_DEVTYP_HANDLE\n");
pBroadcastDeviceHandle = (PDEV_BROADCAST_HANDLE)pNotificationFilter;
if ((ulNotificationFilterSize < sizeof(DEV_BROADCAST_HANDLE)) ||
(pBroadcastDeviceHandle->dbch_size < sizeof(DEV_BROADCAST_HANDLE)))
return CR_INVALID_DATA;
if (ulFlags & DEVICE_NOTIFY_ALL_INTERFACE_CLASSES)
return CR_INVALID_FLAG;
}
else
{
DPRINT1("Invalid device type %lu\n", ((PDEV_BROADCAST_HDR)pNotificationFilter)->dbch_devicetype);
return CR_INVALID_DATA;
}
#if 0
pNotifyData = RtlAllocateHeap(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(NOTIFY_DATA));
if (pNotifyData == NULL)