Sweden-Number/dlls/ntoskrnl.exe/tests/driver.c

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/*
* ntoskrnl.exe testing framework
*
* Copyright 2015 Sebastian Lackner
* Copyright 2015 Michael Müller
* Copyright 2015 Christian Costa
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "driver.h"
static const WCHAR driver_device[] = {'\\','D','e','v','i','c','e',
'\\','W','i','n','e','T','e','s','t','D','r','i','v','e','r',0};
static const WCHAR driver_link[] = {'\\','D','o','s','D','e','v','i','c','e','s',
'\\','W','i','n','e','T','e','s','t','D','r','i','v','e','r',0};
static HANDLE okfile;
static LONG successes;
static LONG failures;
static LONG skipped;
static LONG todo_successes;
static LONG todo_failures;
static int todo_level, todo_do_loop;
static int running_under_wine;
static int winetest_debug;
static int winetest_report_success;
extern int CDECL _vsnprintf(char *str, size_t len, const char *format, __ms_va_list argptr);
static void kvprintf(const char *format, __ms_va_list ap)
{
static char buffer[512];
LARGE_INTEGER offset;
IO_STATUS_BLOCK io;
_vsnprintf(buffer, sizeof(buffer), format, ap);
offset.QuadPart = -1;
ZwWriteFile(okfile, NULL, NULL, NULL, &io, buffer, strlen(buffer), &offset, NULL);
}
static void WINAPIV kprintf(const char *format, ...)
{
__ms_va_list valist;
__ms_va_start(valist, format);
kvprintf(format, valist);
__ms_va_end(valist);
}
static void WINAPIV ok_(const char *file, int line, int condition, const char *msg, ...)
{
const char *current_file;
__ms_va_list args;
if (!(current_file = strrchr(file, '/')) &&
!(current_file = strrchr(file, '\\')))
current_file = file;
else
current_file++;
__ms_va_start(args, msg);
if (todo_level)
{
if (condition)
{
kprintf("%s:%d: Test succeeded inside todo block: ", current_file, line);
kvprintf(msg, args);
InterlockedIncrement(&todo_failures);
}
else
{
if (winetest_debug > 0)
{
kprintf("%s:%d: Test marked todo: ", current_file, line);
kvprintf(msg, args);
}
InterlockedIncrement(&todo_successes);
}
}
else
{
if (!condition)
{
kprintf("%s:%d: Test failed: ", current_file, line);
kvprintf(msg, args);
InterlockedIncrement(&failures);
}
else
{
if (winetest_report_success)
kprintf("%s:%d: Test succeeded\n", current_file, line);
InterlockedIncrement(&successes);
}
}
__ms_va_end(args);
}
static void winetest_start_todo( int is_todo )
{
todo_level = (todo_level << 1) | (is_todo != 0);
todo_do_loop=1;
}
static int winetest_loop_todo(void)
{
int do_loop=todo_do_loop;
todo_do_loop=0;
return do_loop;
}
static void winetest_end_todo(void)
{
todo_level >>= 1;
}
#define ok(condition, ...) ok_(__FILE__, __LINE__, condition, __VA_ARGS__)
#define todo_if(is_todo) for (winetest_start_todo(is_todo); \
winetest_loop_todo(); \
winetest_end_todo())
#define todo_wine todo_if(running_under_wine)
#define todo_wine_if(is_todo) todo_if((is_todo) && running_under_wine)
static void test_currentprocess(void)
{
PEPROCESS current;
current = IoGetCurrentProcess();
todo_wine
ok(current != NULL, "Expected current process to be non-NULL\n");
}
static void test_mdl_map(void)
{
char buffer[20] = "test buffer";
void *addr;
MDL *mdl;
mdl = IoAllocateMdl(buffer, sizeof(buffer), FALSE, FALSE, NULL);
ok(mdl != NULL, "IoAllocateMdl failed\n");
MmProbeAndLockPages(mdl, KernelMode, IoReadAccess);
addr = MmMapLockedPagesSpecifyCache(mdl, KernelMode, MmCached, NULL, FALSE, NormalPagePriority);
todo_wine
ok(addr != NULL, "MmMapLockedPagesSpecifyCache failed\n");
/* MmUnmapLockedPages(addr, mdl); */
IoFreeMdl(mdl);
}
static NTSTATUS main_test(IRP *irp, IO_STACK_LOCATION *stack, ULONG_PTR *info)
{
ULONG length = stack->Parameters.DeviceIoControl.OutputBufferLength;
void *buffer = irp->AssociatedIrp.SystemBuffer;
struct test_input *test_input = (struct test_input *)buffer;
OBJECT_ATTRIBUTES attr = {0};
UNICODE_STRING pathU;
IO_STATUS_BLOCK io;
if (!buffer)
return STATUS_ACCESS_VIOLATION;
if (length < sizeof(failures))
return STATUS_BUFFER_TOO_SMALL;
attr.Length = sizeof(attr);
RtlInitUnicodeString(&pathU, test_input->path);
running_under_wine = test_input->running_under_wine;
winetest_debug = test_input->winetest_debug;
winetest_report_success = test_input->winetest_report_success;
attr.ObjectName = &pathU;
ZwOpenFile(&okfile, FILE_APPEND_DATA, &attr, &io, 0, 0);
test_currentprocess();
test_mdl_map();
/* print process report */
if (test_input->winetest_debug)
{
kprintf("%04x:ntoskrnl: %d tests executed (%d marked as todo, %d %s), %d skipped.\n",
PsGetCurrentProcessId(), successes + failures + todo_successes + todo_failures,
todo_successes, failures + todo_failures,
(failures + todo_failures != 1) ? "failures" : "failure", skipped );
}
ZwClose(okfile);
*((LONG *)buffer) = failures;
*info = sizeof(failures);
return STATUS_SUCCESS;
}
static NTSTATUS test_basic_ioctl(IRP *irp, IO_STACK_LOCATION *stack, ULONG_PTR *info)
{
ULONG length = stack->Parameters.DeviceIoControl.OutputBufferLength;
char *buffer = irp->AssociatedIrp.SystemBuffer;
if (!buffer)
return STATUS_ACCESS_VIOLATION;
if (length < sizeof(teststr))
return STATUS_BUFFER_TOO_SMALL;
strcpy(buffer, teststr);
*info = sizeof(teststr);
return STATUS_SUCCESS;
}
static NTSTATUS WINAPI driver_Create(DEVICE_OBJECT *device, IRP *irp)
{
irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
static NTSTATUS WINAPI driver_IoControl(DEVICE_OBJECT *device, IRP *irp)
{
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
NTSTATUS status = STATUS_NOT_SUPPORTED;
switch (stack->Parameters.DeviceIoControl.IoControlCode)
{
case IOCTL_WINETEST_BASIC_IOCTL:
status = test_basic_ioctl(irp, stack, &irp->IoStatus.Information);
break;
case IOCTL_WINETEST_MAIN_TEST:
status = main_test(irp, stack, &irp->IoStatus.Information);
break;
default:
break;
}
irp->IoStatus.Status = status;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return status;
}
static NTSTATUS WINAPI driver_Close(DEVICE_OBJECT *device, IRP *irp)
{
irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(irp, IO_NO_INCREMENT);
return STATUS_SUCCESS;
}
static VOID WINAPI driver_Unload(DRIVER_OBJECT *driver)
{
UNICODE_STRING linkW;
DbgPrint("unloading driver\n");
RtlInitUnicodeString(&linkW, driver_link);
IoDeleteSymbolicLink(&linkW);
IoDeleteDevice(driver->DeviceObject);
}
NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, PUNICODE_STRING registry)
{
UNICODE_STRING nameW, linkW;
DEVICE_OBJECT *device;
NTSTATUS status;
DbgPrint("loading driver\n");
/* Allow unloading of the driver */
driver->DriverUnload = driver_Unload;
/* Set driver functions */
driver->MajorFunction[IRP_MJ_CREATE] = driver_Create;
driver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = driver_IoControl;
driver->MajorFunction[IRP_MJ_CLOSE] = driver_Close;
RtlInitUnicodeString(&nameW, driver_device);
RtlInitUnicodeString(&linkW, driver_link);
if (!(status = IoCreateDevice(driver, 0, &nameW, FILE_DEVICE_UNKNOWN,
FILE_DEVICE_SECURE_OPEN, FALSE, &device)))
status = IoCreateSymbolicLink(&linkW, &nameW);
return status;
}