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-rw-r--r--src/nt_path_converter/device.c61
1 files changed, 34 insertions, 27 deletions
diff --git a/src/nt_path_converter/device.c b/src/nt_path_converter/device.c
index fbffd27..5ee0d3e 100644
--- a/src/nt_path_converter/device.c
+++ b/src/nt_path_converter/device.c
@@ -22,15 +22,17 @@ static NTSTATUS device_open(DEVICE_OBJECT *device_object, IRP *irp)
return status;
}
-typedef NTSTATUS (*ioctl_handler)(void *, unsigned long,
- void *, unsigned long,
- ULONG_PTR *);
-
-static NTSTATUS handle_convert_nt_path(void *in_buf,
- unsigned long in_buf_size,
- void *out_buf,
- unsigned long out_buf_size,
- ULONG_PTR *nbwritten)
+typedef NTSTATUS (*ioctl_handler)(
+ void *, unsigned long,
+ void *, unsigned long,
+ ULONG_PTR *);
+
+static NTSTATUS handle_convert_nt_path(
+ void *in_buf,
+ unsigned long in_buf_size,
+ void *out_buf,
+ unsigned long out_buf_size,
+ ULONG_PTR *nbwritten)
{
UNICODE_STRING uUnresolved, uResolved;
NTSTATUS status = STATUS_SUCCESS;
@@ -52,13 +54,13 @@ static NTSTATUS handle_convert_nt_path(void *in_buf,
if (out_buf_size < *nbwritten)
{
status = STATUS_BUFFER_OVERFLOW;
- goto FREE_RESOLVED;
+ goto free_resolved;
}
RtlFillMemory(out_buf, *nbwritten, L'\0');
RtlCopyMemory(out_buf, uResolved.Buffer, uResolved.Length);
-FREE_RESOLVED:
+free_resolved:
ExFreePool(uResolved.Buffer);
return status;
@@ -85,14 +87,16 @@ static NTSTATUS device_ioctl(DEVICE_OBJECT *device_object, IRP *irp)
case CONVERT_NT_PATH:
handler = handle_convert_nt_path;
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);
+ 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);
@@ -104,18 +108,20 @@ typedef struct
{
const wchar_t *path;
const wchar_t *symlink;
-} device_info;
+}
+DeviceInfo;
typedef struct
{
DEVICE_OBJECT *object;
UNICODE_STRING path;
UNICODE_STRING symlink;
-} device;
+}
+Device;
#define NUMOF_DEVICES 1
-static device_info devices_info[NUMOF_DEVICES] =
+static DeviceInfo devices_info[NUMOF_DEVICES] =
{
{
L"\\Device\\nt_path_converter",
@@ -123,7 +129,7 @@ static device_info devices_info[NUMOF_DEVICES] =
},
};
-static device devices[NUMOF_DEVICES];
+static Device devices[NUMOF_DEVICES];
static void destroy_device(int i)
{
@@ -145,13 +151,14 @@ static NTSTATUS set_up_device(DRIVER_OBJECT *driver_object, int i)
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);
+ 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;
@@ -159,8 +166,8 @@ 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;