From 974bd0388994715b4fa35ac54986e3c1ed4e3f55 Mon Sep 17 00:00:00 2001 From: Egor Tensin Date: Thu, 27 Apr 2017 19:19:56 +0300 Subject: reorganize files * src/ -> km/src/ * utils/ -> um/ * Move WDK 7.1-specific *.bat files to km/build/wdk7.1/ * Move WDK 8.1 Update 1 solutions to km/build/wdk8.1update/ --- src/simple/device.c | 220 ---------------------------------------------------- 1 file changed, 220 deletions(-) delete mode 100644 src/simple/device.c (limited to 'src/simple/device.c') diff --git a/src/simple/device.c b/src/simple/device.c deleted file mode 100644 index 859ba67..0000000 --- a/src/simple/device.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Copyright (c) 2015 Egor Tensin - * This file is part of the "Windows 7 drivers" project. - * For details, see https://github.com/egor-tensin/windows7-drivers. - * Distributed under the MIT License. - */ - -#include "device.h" - -#include - -static NTSTATUS device_open(DEVICE_OBJECT *device_object, IRP *irp) -{ - NTSTATUS status = STATUS_SUCCESS; - - UNREFERENCED_PARAMETER(device_object); - - irp->IoStatus.Status = status; - irp->IoStatus.Information = 0; - IoCompleteRequest(irp, IO_NO_INCREMENT); - return status; -} - -typedef NTSTATUS (*ioctl_handler)( - void *, unsigned long, - void *, unsigned long, - ULONG_PTR *); - -static NTSTATUS handle_say_hello( - void *in_buf, - unsigned long in_buf_size, - void *out_buf, - unsigned long out_buf_size, - ULONG_PTR *nbwritten) -{ - UNREFERENCED_PARAMETER(in_buf); - UNREFERENCED_PARAMETER(in_buf_size); - UNREFERENCED_PARAMETER(out_buf); - UNREFERENCED_PARAMETER(out_buf_size); - UNREFERENCED_PARAMETER(nbwritten); - - DbgPrint("Hello, world!\n"); - return STATUS_SUCCESS; -} - -static unsigned int i = 42; - -static NTSTATUS handle_exchange_ints( - void *in_buf, - unsigned long in_buf_size, - void *out_buf, - unsigned long out_buf_size, - ULONG_PTR *nbwritten) -{ - unsigned int temp_i; - - if (in_buf_size != sizeof(temp_i)) - return STATUS_INVALID_BUFFER_SIZE; - - RtlCopyMemory(&temp_i, in_buf, in_buf_size); - DbgPrint("%08x\n", temp_i); - - if (out_buf_size < sizeof(i)) - return STATUS_BUFFER_TOO_SMALL; - - RtlCopyMemory(out_buf, &i, sizeof(i)); - *nbwritten += sizeof(i); - i = temp_i; - return STATUS_SUCCESS; -} - -#define SAY_HELLO CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS) -#define EXCHANGE_INTS CTL_CODE(0x8001, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS) - -static NTSTATUS device_ioctl(DEVICE_OBJECT *device_object, IRP *irp) -{ - IO_STACK_LOCATION *io_stack_loc; - void* in_buf, *out_buf; - unsigned long in_buf_size, out_buf_size; - ioctl_handler handler; - NTSTATUS status = STATUS_UNSUCCESSFUL; - - UNREFERENCED_PARAMETER(device_object); - - irp->IoStatus.Status = status; - irp->IoStatus.Information = 0; - io_stack_loc = IoGetCurrentIrpStackLocation(irp); - - in_buf = out_buf = irp->AssociatedIrp.SystemBuffer; - in_buf_size = io_stack_loc->Parameters.DeviceIoControl.InputBufferLength; - out_buf_size = io_stack_loc->Parameters.DeviceIoControl.OutputBufferLength; - - switch (io_stack_loc->Parameters.DeviceIoControl.IoControlCode) - { - case SAY_HELLO: - handler = handle_say_hello; - break; - - case EXCHANGE_INTS: - handler = handle_exchange_ints; - break; - - default: - status = irp->IoStatus.Status = STATUS_NOT_SUPPORTED; - goto complete_request; - } - - status = irp->IoStatus.Status = handler( - in_buf, in_buf_size, - out_buf, out_buf_size, - &irp->IoStatus.Information); - -complete_request: - IoCompleteRequest(irp, IO_NO_INCREMENT); - - return status; -} - -typedef struct -{ - const wchar_t *path; - const wchar_t *symlink; -} -DeviceInfo; - -typedef struct -{ - DEVICE_OBJECT *object; - UNICODE_STRING path; - UNICODE_STRING symlink; -} -Device; - -#define NUMOF_DEVICES 2 - -static DeviceInfo devices_info[NUMOF_DEVICES] = -{ - { - L"\\Device\\simple_device1", - L"\\DosDevices\\simple_device1", - }, - { - L"\\Device\\simple_device2", - L"\\DosDevices\\simple_device2", - }, -}; - -static Device devices[NUMOF_DEVICES]; - -static void destroy_device(int i) -{ - IoDeleteSymbolicLink(&devices[i].symlink); - IoDeleteDevice(devices[i].object); -} - -void destroy_devices() -{ - int i; - for (i = 0; i < NUMOF_DEVICES; ++i) - destroy_device(i); -} - -static NTSTATUS set_up_device(DRIVER_OBJECT *driver_object, int i) -{ - NTSTATUS status = STATUS_SUCCESS; - - DbgPrint("Setting up device...\n"); - DbgPrint("\tPath: %ws\n", devices_info[i].path); - DbgPrint("\tSymlink: %ws\n", devices_info[i].symlink); - - RtlInitUnicodeString(&devices[i].path, devices_info[i].path); - RtlInitUnicodeString(&devices[i].symlink, devices_info[i].symlink); - - status = IoCreateDevice( - driver_object, - 0, - &devices[i].path, - FILE_DEVICE_UNKNOWN, - FILE_DEVICE_SECURE_OPEN, - FALSE, - &devices[i].object); - - if (!NT_SUCCESS(status)) - return status; - - devices[i].object->Flags |= DO_BUFFERED_IO; - devices[i].object->Flags &= ~DO_DEVICE_INITIALIZING; - - if (!NT_SUCCESS(status = IoCreateSymbolicLink( - &devices[i].symlink, &devices[i].path))) - goto delete_device; - - return status; - -delete_device: - IoDeleteDevice(devices[i].object); - - return status; -} - -NTSTATUS set_up_devices(DRIVER_OBJECT *driver_object) -{ - int i, j; - NTSTATUS status = STATUS_SUCCESS; - - for (i = 0; i < NUMOF_DEVICES; ++i) - if (!NT_SUCCESS(status = set_up_device(driver_object, i))) - goto destroy_devices; - - driver_object->MajorFunction[IRP_MJ_CREATE] = device_open; - driver_object->MajorFunction[IRP_MJ_DEVICE_CONTROL] = device_ioctl; - - return status; - -destroy_devices: - for (j = 0; j < i; ++j) - destroy_device(j); - - return status; -} -- cgit v1.2.3