ntoskrnl.exe/tests: Add test driver.

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

configure

@@ -18882,6 +18882,7 @@ wine_fn_config_makefile dlls/ntdll/tests enable_tests
 wine_fn_config_makefile dlls/ntdsapi enable_ntdsapi
 wine_fn_config_makefile dlls/ntdsapi/tests enable_tests
 wine_fn_config_makefile dlls/ntoskrnl.exe enable_ntoskrnl_exe
+wine_fn_config_makefile dlls/ntoskrnl.exe/tests enable_tests
 wine_fn_config_makefile dlls/ntprint enable_ntprint
 wine_fn_config_makefile dlls/ntprint/tests enable_tests
 wine_fn_config_makefile dlls/objsel enable_objsel

configure.ac

@@ -3504,6 +3504,7 @@ WINE_CONFIG_MAKEFILE(dlls/ntdll/tests)
 WINE_CONFIG_MAKEFILE(dlls/ntdsapi)
 WINE_CONFIG_MAKEFILE(dlls/ntdsapi/tests)
 WINE_CONFIG_MAKEFILE(dlls/ntoskrnl.exe)
+WINE_CONFIG_MAKEFILE(dlls/ntoskrnl.exe/tests)
 WINE_CONFIG_MAKEFILE(dlls/ntprint)
 WINE_CONFIG_MAKEFILE(dlls/ntprint/tests)
 WINE_CONFIG_MAKEFILE(dlls/objsel)

dlls/ntoskrnl.exe/tests/Makefile.in

@@ -0,0 +1,10 @@
+TESTDLL   = ntoskrnl.exe
+IMPORTS   = advapi32
+
+driver_IMPORTS = winecrt0 ntoskrnl
+driver_EXTRADLLFLAGS = -nodefaultlibs -nostartfiles -Wl,--subsystem,native
+
+SOURCES = \
+	driver.c \
+	driver.spec \
+	ntoskrnl.c

dlls/ntoskrnl.exe/tests/driver.c

@@ -0,0 +1,126 @@
+/*
+ * 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 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;
+        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;
+}

dlls/ntoskrnl.exe/tests/driver.h

@@ -0,0 +1,27 @@
+/*
+ * 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
+ */
+
+
+/* All custom IOCTLs need to have a function value >= 0x800. */
+#define IOCTL_WINETEST_BASIC_IOCTL      CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+static const char teststr[] = "Wine is not an emulator";

dlls/ntoskrnl.exe/tests/driver.spec

@@ -0,0 +1 @@
+# nothing here yet

dlls/ntoskrnl.exe/tests/ntoskrnl.c

@@ -0,0 +1,159 @@
+/*
+ * 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 "windows.h"
+#include "winsvc.h"
+#include "winioctl.h"
+#include "wine/test.h"
+
+#include "driver.h"
+
+static const char driver_name[] = "WineTestDriver";
+static const char device_path[] = "\\\\.\\WineTestDriver";
+
+static HANDLE device;
+
+static void load_resource(const char *name, char *filename)
+{
+    static char path[MAX_PATH];
+    DWORD written;
+    HANDLE file;
+    HRSRC res;
+    void *ptr;
+
+    GetTempPathA(sizeof(path), path);
+    GetTempFileNameA(path, name, 0, filename);
+
+    file = CreateFileA(filename, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0);
+    ok(file != INVALID_HANDLE_VALUE, "file creation failed, at %s, error %d\n", filename, GetLastError());
+
+    res = FindResourceA(NULL, name, "TESTDLL");
+    ok( res != 0, "couldn't find resource\n" );
+    ptr = LockResource( LoadResource( GetModuleHandleA(NULL), res ));
+    WriteFile( file, ptr, SizeofResource( GetModuleHandleA(NULL), res ), &written, NULL );
+    ok( written == SizeofResource( GetModuleHandleA(NULL), res ), "couldn't write resource\n" );
+    CloseHandle( file );
+}
+
+static void unload_driver(SC_HANDLE service)
+{
+    SERVICE_STATUS status;
+
+    CloseHandle(device);
+
+    ControlService(service, SERVICE_CONTROL_STOP, &status);
+    while (status.dwCurrentState == SERVICE_STOP_PENDING)
+    {
+        Sleep(100);
+        ok(QueryServiceStatus(service, &status), "QueryServiceStatus failed: %u\n", GetLastError());
+    }
+    ok(status.dwCurrentState == SERVICE_STOPPED,
+       "expected SERVICE_STOPPED, got %d\n", status.dwCurrentState);
+
+    DeleteService(service);
+    CloseServiceHandle(service);
+}
+
+static SC_HANDLE load_driver(char *filename)
+{
+    SC_HANDLE manager, service;
+    SERVICE_STATUS status;
+    BOOL ret;
+
+    manager = OpenSCManagerA(NULL, NULL, SC_MANAGER_ALL_ACCESS);
+    if (!manager && GetLastError() == ERROR_ACCESS_DENIED)
+    {
+        skip("Failed to open SC manager, not enough permissions\n");
+        return FALSE;
+    }
+    ok(!!manager, "OpenSCManager failed\n");
+
+    /* before we start with the actual tests, make sure to terminate
+     * any old wine test drivers. */
+    service = OpenServiceA(manager, driver_name, SERVICE_ALL_ACCESS);
+    if (service) unload_driver(service);
+
+    load_resource("driver.dll", filename);
+    trace("Trying to load driver %s\n", filename);
+
+    service = CreateServiceA(manager, driver_name, driver_name,
+                             SERVICE_ALL_ACCESS, SERVICE_KERNEL_DRIVER,
+                             SERVICE_DEMAND_START, SERVICE_ERROR_NORMAL,
+                             filename, NULL, NULL, NULL, NULL, NULL);
+    ok(!!service, "CreateService failed: %u\n", GetLastError());
+    CloseServiceHandle(manager);
+
+    SetLastError(0xdeadbeef);
+    ret = StartServiceA(service, 0, NULL);
+    if (!ret && GetLastError() == ERROR_DRIVER_BLOCKED)
+    {
+        /* If Secure Boot is enabled or the machine is 64-bit, it will reject an unsigned driver. */
+        skip("Failed to start service; probably your machine doesn't accept unsigned drivers.\n");
+        DeleteService(service);
+        CloseServiceHandle(service);
+        DeleteFileA(filename);
+        return NULL;
+    }
+    ok(ret, "StartService failed: %u\n", GetLastError());
+
+    /* wait for the service to start up properly */
+    ok(QueryServiceStatus(service, &status), "QueryServiceStatus failed: %u\n", GetLastError());
+    while (status.dwCurrentState == SERVICE_START_PENDING)
+    {
+        Sleep(100);
+        ok(QueryServiceStatus(service, &status), "QueryServiceStatus failed: %u\n", GetLastError());
+    }
+    ok(status.dwCurrentState == SERVICE_RUNNING,
+       "expected SERVICE_RUNNING, got %d\n", status.dwCurrentState);
+
+    device = CreateFileA(device_path, 0, 0, NULL, OPEN_EXISTING, 0, NULL);
+    ok(device != INVALID_HANDLE_VALUE, "failed to open device: %u\n", GetLastError());
+
+    return service;
+}
+
+static void test_basic_ioctl(void)
+{
+    DWORD written;
+    char buf[32];
+    BOOL res;
+
+    res = DeviceIoControl(device, IOCTL_WINETEST_BASIC_IOCTL, NULL, 0, buf,
+                          sizeof(buf), &written, NULL);
+    ok(res, "DeviceIoControl failed: %u\n", GetLastError());
+    ok(written == sizeof(teststr), "got size %d\n", written);
+    ok(!strcmp(buf, teststr), "got '%s'\n", buf);
+}
+
+START_TEST(ntoskrnl)
+{
+    char filename[MAX_PATH];
+    SC_HANDLE service;
+
+    if (!(service = load_driver(filename)))
+        return;
+
+    test_basic_ioctl();
+
+    unload_driver(service);
+    ok(DeleteFileA(filename), "DeleteFile failed: %u\n", GetLastError());
+}