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-rw-r--r--km/src/simple/device.c81
-rw-r--r--km/src/simple/device.h2
-rw-r--r--km/src/simple/main.c8
3 files changed, 35 insertions, 56 deletions
diff --git a/km/src/simple/device.c b/km/src/simple/device.c
index f632a8d..ccc780d 100644
--- a/km/src/simple/device.c
+++ b/km/src/simple/device.c
@@ -9,8 +9,7 @@
#include <ntddk.h>
-static NTSTATUS device_open(DEVICE_OBJECT *device_object, IRP *irp)
-{
+static NTSTATUS device_open(DEVICE_OBJECT* device_object, IRP* irp) {
NTSTATUS status = STATUS_SUCCESS;
UNREFERENCED_PARAMETER(device_object);
@@ -21,18 +20,15 @@ static NTSTATUS device_open(DEVICE_OBJECT *device_object, IRP *irp)
return status;
}
-typedef NTSTATUS (*ioctl_handler)(
- void *, unsigned long,
- void *, unsigned long,
- ULONG_PTR *);
+typedef NTSTATUS (*ioctl_handler)(void*, unsigned long, void*, unsigned long, ULONG_PTR*);
static NTSTATUS handle_say_hello(
- void *in_buf,
+ void* in_buf,
unsigned long in_buf_size,
- void *out_buf,
+ void* out_buf,
unsigned long out_buf_size,
- ULONG_PTR *nbwritten)
-{
+ ULONG_PTR* nbwritten
+) {
UNREFERENCED_PARAMETER(in_buf);
UNREFERENCED_PARAMETER(in_buf_size);
UNREFERENCED_PARAMETER(out_buf);
@@ -46,12 +42,12 @@ static NTSTATUS handle_say_hello(
static unsigned int num = 42;
static NTSTATUS handle_exchange_ints(
- void *in_buf,
+ void* in_buf,
unsigned long in_buf_size,
- void *out_buf,
+ void* out_buf,
unsigned long out_buf_size,
- ULONG_PTR *nbwritten)
-{
+ ULONG_PTR* nbwritten
+) {
unsigned int temp_num;
if (in_buf_size != sizeof(temp_num))
@@ -69,13 +65,12 @@ static NTSTATUS handle_exchange_ints(
return STATUS_SUCCESS;
}
-#define SAY_HELLO CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#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;
+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;
@@ -90,8 +85,7 @@ static NTSTATUS device_ioctl(DEVICE_OBJECT *device_object, IRP *irp)
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)
- {
+ switch (io_stack_loc->Parameters.DeviceIoControl.IoControlCode) {
case SAY_HELLO:
handler = handle_say_hello;
break;
@@ -105,10 +99,8 @@ static NTSTATUS device_ioctl(DEVICE_OBJECT *device_object, IRP *irp)
goto complete_request;
}
- status = irp->IoStatus.Status = handler(
- in_buf, in_buf_size,
- out_buf, out_buf_size,
- &irp->IoStatus.Information);
+ 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);
@@ -116,25 +108,20 @@ complete_request:
return status;
}
-typedef struct
-{
- const wchar_t *path;
- const wchar_t *symlink;
-}
-DeviceInfo;
+typedef struct {
+ const wchar_t* path;
+ const wchar_t* symlink;
+} DeviceInfo;
-typedef struct
-{
- DEVICE_OBJECT *object;
+typedef struct {
+ DEVICE_OBJECT* object;
UNICODE_STRING path;
UNICODE_STRING symlink;
-}
-Device;
+} Device;
#define NUMOF_DEVICES 2
-static DeviceInfo devices_info[NUMOF_DEVICES] =
-{
+static DeviceInfo devices_info[NUMOF_DEVICES] = {
{
L"\\Device\\simple_device1",
L"\\DosDevices\\simple_device1",
@@ -147,21 +134,18 @@ static DeviceInfo devices_info[NUMOF_DEVICES] =
static Device devices[NUMOF_DEVICES];
-static void destroy_device(int i)
-{
+static void destroy_device(int i) {
IoDeleteSymbolicLink(&devices[i].symlink);
IoDeleteDevice(devices[i].object);
}
-void destroy_devices()
-{
+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)
-{
+static NTSTATUS set_up_device(DRIVER_OBJECT* driver_object, int i) {
NTSTATUS status = STATUS_SUCCESS;
DbgPrint("Setting up device...\n");
@@ -178,7 +162,8 @@ static NTSTATUS set_up_device(DRIVER_OBJECT *driver_object, int i)
FILE_DEVICE_UNKNOWN,
FILE_DEVICE_SECURE_OPEN,
FALSE,
- &devices[i].object);
+ &devices[i].object
+ );
if (!NT_SUCCESS(status))
return status;
@@ -186,8 +171,7 @@ static NTSTATUS set_up_device(DRIVER_OBJECT *driver_object, int i)
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)))
+ if (!NT_SUCCESS(status = IoCreateSymbolicLink(&devices[i].symlink, &devices[i].path)))
goto delete_device;
return status;
@@ -198,8 +182,7 @@ delete_device:
return status;
}
-NTSTATUS set_up_devices(DRIVER_OBJECT *driver_object)
-{
+NTSTATUS set_up_devices(DRIVER_OBJECT* driver_object) {
int i, j;
NTSTATUS status = STATUS_SUCCESS;
diff --git a/km/src/simple/device.h b/km/src/simple/device.h
index 4f117e9..8cc2c1d 100644
--- a/km/src/simple/device.h
+++ b/km/src/simple/device.h
@@ -9,5 +9,5 @@
#include <ntddk.h>
-NTSTATUS set_up_devices(DRIVER_OBJECT *);
+NTSTATUS set_up_devices(DRIVER_OBJECT*);
void destroy_devices();
diff --git a/km/src/simple/main.c b/km/src/simple/main.c
index 5148727..100ad37 100644
--- a/km/src/simple/main.c
+++ b/km/src/simple/main.c
@@ -9,18 +9,14 @@
#include <ntddk.h>
-static void on_driver_unload(DRIVER_OBJECT *driver_object)
-{
+static void on_driver_unload(DRIVER_OBJECT* driver_object) {
UNREFERENCED_PARAMETER(driver_object);
DbgPrint("simple: unloading...\n");
destroy_devices();
}
-NTSTATUS DriverEntry(
- DRIVER_OBJECT *driver_object,
- UNICODE_STRING *registry_path)
-{
+NTSTATUS DriverEntry(DRIVER_OBJECT* driver_object, UNICODE_STRING* registry_path) {
UNREFERENCED_PARAMETER(registry_path);
DbgPrint("simple: loading...\n");
generated by cgit v1.3 (git 2.53.0) at 2026-10-25 16:32:26 +0000