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/*++
Copyright (c) Microsoft Corporation. All rights reserved
Abstract:
Monitor Sample driver initialization routines
Environment:
Kernel mode
--*/
#include <ndis.h>
#include <ntddk.h>
#include <wdf.h>
#include <fwpmk.h>
#pragma warning(push)
#pragma warning(disable:4201) // unnamed struct/union
#include <fwpsk.h>
#pragma warning(pop)
#include "ioctl.h"
#include "msnmntr.h"
#include "ctl.h"
#include "notify.h"
//
// Software Tracing Definitions
//
#define WPP_CONTROL_GUIDS \
WPP_DEFINE_CONTROL_GUID(MsnMntrInit,(e7db16bb, 41be, 4c05, b73e, 5feca06f8207), \
WPP_DEFINE_BIT(TRACE_INIT) \
WPP_DEFINE_BIT(TRACE_SHUTDOWN) )
#include "init.tmh"
DEVICE_OBJECT* gWdmDevice;
// ===========================================================================
//
// LOCAL PROTOTYPES
//
// ===========================================================================
DRIVER_INITIALIZE DriverEntry;
EVT_WDF_DRIVER_UNLOAD MonitorEvtDriverUnload;
// We're using what looks like a EVT_WDF_DRIVER_DEVICE_ADD callback, to keep
// this looking like a normal KMDF driver. However, since this is a non-pnp
// driver, it will not be used as a callback; we will call it ourselves at the
// end of DriverEntry. So, do not declare it as a callback.
// The NONPNP sample demonstrates this as well.
NTSTATUS
MonitorEvtDeviceAdd(
_In_ PWDFDEVICE_INIT pInit
);
// ===========================================================================
//
// PUBLIC FUNCTIONS
//
// ===========================================================================
NTSTATUS
DriverEntry(
_In_ DRIVER_OBJECT* driverObject,
_In_ UNICODE_STRING* registryPath
)
/*++
Routine Description:
Main driver entry point. Called at driver load time
Arguments:
driverObject Our driver
registryPath A reg key where we can keep parameters
Return Value:
status of our initialization. A status != STATUS_SUCCESS aborts the
driver load and we don't get called again.
Each component is responsible for logging any error that causes the
driver load to fail.
--*/
{
NTSTATUS status;
WDF_DRIVER_CONFIG config;
WDFDRIVER driver;
PWDFDEVICE_INIT pInit = NULL;
// Request NX Non-Paged Pool when available
ExInitializeDriverRuntime(DrvRtPoolNxOptIn);
//
// This macro is required to initialize software tracing on XP and beyond
// For XP and beyond use the DriverObject as the first argument.
//
WPP_INIT_TRACING(driverObject,registryPath);
DoTraceMessage(TRACE_INIT, "Initializing MonitorSample Driver");
WDF_DRIVER_CONFIG_INIT(&config, WDF_NO_EVENT_CALLBACK);
config.DriverInitFlags |= WdfDriverInitNonPnpDriver;
config.EvtDriverUnload = MonitorEvtDriverUnload;
status = WdfDriverCreate(
driverObject,
registryPath,
WDF_NO_OBJECT_ATTRIBUTES,
&config,
&driver
);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
pInit = WdfControlDeviceInitAllocate(driver, &SDDL_DEVOBJ_SYS_ALL_ADM_ALL);
if (!pInit)
{
status = STATUS_INSUFFICIENT_RESOURCES;
goto cleanup;
}
status = MonitorEvtDeviceAdd(pInit);
cleanup:
if (!NT_SUCCESS(status))
{
DoTraceMessage(TRACE_INIT, "MonitorSample Initialization Failed.");
WPP_CLEANUP(driverObject);
}
return status;
}
NTSTATUS
MonitorEvtDeviceAdd(
_In_ PWDFDEVICE_INIT pInit
)
{
NTSTATUS status;
WDFDEVICE device;
DECLARE_CONST_UNICODE_STRING(ntDeviceName, MONITOR_DEVICE_NAME);
DECLARE_CONST_UNICODE_STRING(symbolicName, MONITOR_SYMBOLIC_NAME);
WdfDeviceInitSetDeviceType(pInit, FILE_DEVICE_NETWORK);
WdfDeviceInitSetCharacteristics(pInit, FILE_DEVICE_SECURE_OPEN, FALSE);
status = WdfDeviceInitAssignName(pInit, &ntDeviceName);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
status = WdfDeviceCreate(&pInit, WDF_NO_OBJECT_ATTRIBUTES, &device);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
status = WdfDeviceCreateSymbolicLink(device, &symbolicName);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
status = MonitorCtlDriverInit(&device);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
gWdmDevice = WdfDeviceWdmGetDeviceObject(device);
status = MonitorCoInitialize(gWdmDevice);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
status = MonitorNfInitialize(gWdmDevice);
if (!NT_SUCCESS(status))
{
goto cleanup;
}
WdfControlFinishInitializing(device);
cleanup:
// If WdfDeviceCreate was successful, it will set pInit to NULL.
if (pInit)
{
WdfDeviceInitFree(pInit);
}
return status;
}
void
MonitorEvtDriverUnload(
_In_ WDFDRIVER Driver
)
/*++
Routine Description:
Called to indicate that we are being unloaded and to cause an orderly
shutdown
Arguments:
driverObject Our driver
Return Value:
None
--*/
{
DRIVER_OBJECT* driverObject;
MonitorCoUninitialize();
MonitorNfUninitialize();
DoTraceMessage(TRACE_SHUTDOWN, "MonitorSample Driver Shutting Down");
driverObject = WdfDriverWdmGetDriverObject(Driver);
WPP_CLEANUP(driverObject);
}
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