symlink.c File Reference

#include <ntoskrnl.h>
#include <debug.h>

Include dependency graph for symlink.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
NTSTATUS NTAPI	IoCreateSymbolicLink (IN PUNICODE_STRING SymbolicLinkName, IN PUNICODE_STRING DeviceName)
NTSTATUS NTAPI	IoCreateUnprotectedSymbolicLink (IN PUNICODE_STRING SymbolicLinkName, IN PUNICODE_STRING DeviceName)
NTSTATUS NTAPI	IoDeleteSymbolicLink (IN PUNICODE_STRING SymbolicLinkName)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 13 of file symlink.c.

Function Documentation

IoCreateSymbolicLink()

NTSTATUS NTAPI IoCreateSymbolicLink	(	IN PUNICODE_STRING	SymbolicLinkName,
		IN PUNICODE_STRING	DeviceName
	)

Definition at line 23 of file symlink.c.

{
    OBJECT_ATTRIBUTES ObjectAttributes;
    HANDLE Handle;
    NTSTATUS Status;
    PAGED_CODE();
 
    /* Initialize the object attributes and create the link */
    InitializeObjectAttributes(&ObjectAttributes,
                               SymbolicLinkName,
                               OBJ_KERNEL_HANDLE | OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
                               NULL,
                               SePublicDefaultSd);
    Status = ZwCreateSymbolicLinkObject(&Handle,
                                        SYMBOLIC_LINK_ALL_ACCESS,
                                        &ObjectAttributes,
                                        DeviceName);
    if (NT_SUCCESS(Status)) ZwClose(Handle);
 
    /* Return status */
    return Status;
}

Referenced by _Function_class_(), CODE_SEG(), CompBattAddDevice(), ConDrvCreateController(), CreateSoundDevice(), DiskCreateSymbolicLinks(), DriverEntry(), Ex2ProcessMountPoint(), FdoCreateRawParallelPdo(), FdoStartAdapter(), FltpSetupCommunicationObjects(), FreeBT_AddDevice(), FsRtlpSetSymbolicLink(), GlobalCreateSymbolicLink(), HalpNextDriveLetter(), InitDevice(), InitializeGlobalData(), InitializeSoundBlaster(), IntVideoPortAddDeviceMapLink(), IopStartRamdisk(), IoRegisterDeviceInterface(), Mx::MxCreateSymbolicLink(), NdisMRegisterDevice(), PartitionHandleStartDevice(), RamdiskCreateDiskDevice(), SerialPnpStartDevice(), SysAudio_AddDevice(), USBPORT_CreateLegacySymbolicLink(), VfdCreateDevice(), VfdSetLink(), ViCreateDriveLetter(), and xHalIoAssignDriveLetters().

IoCreateUnprotectedSymbolicLink()

NTSTATUS NTAPI IoCreateUnprotectedSymbolicLink	(	IN PUNICODE_STRING	SymbolicLinkName,
		IN PUNICODE_STRING	DeviceName
	)

Definition at line 52 of file symlink.c.

{
    SECURITY_DESCRIPTOR SecurityDescriptor;
    OBJECT_ATTRIBUTES ObjectAttributes;
    HANDLE Handle;
    NTSTATUS Status;
    PAGED_CODE();
 
    /* Create an SD */
    Status = RtlCreateSecurityDescriptor(&SecurityDescriptor,
                                         SECURITY_DESCRIPTOR_REVISION);
    if (!NT_SUCCESS(Status)) return Status;
 
    /* Set the DACL */
    Status = RtlSetDaclSecurityDescriptor(&SecurityDescriptor,
                                          TRUE,
                                          NULL,
                                          TRUE);
    if (!NT_SUCCESS(Status)) return Status;
 
    /* Initialize the object attributes and create the link */
    InitializeObjectAttributes(&ObjectAttributes,
                               SymbolicLinkName,
                               OBJ_KERNEL_HANDLE | OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
                               NULL,
                               &SecurityDescriptor);
    Status = ZwCreateSymbolicLinkObject(&Handle,
                                        SYMBOLIC_LINK_ALL_ACCESS,
                                        &ObjectAttributes,
                                        DeviceName);
    if (NT_SUCCESS(Status)) ZwClose(Handle);
 
    /* Return status */
    return Status;
}

IoDeleteSymbolicLink()

NTSTATUS NTAPI IoDeleteSymbolicLink

(

IN PUNICODE_STRING

SymbolicLinkName

)

Definition at line 94 of file symlink.c.

{
    OBJECT_ATTRIBUTES ObjectAttributes;
    HANDLE Handle;
    NTSTATUS Status;
    PAGED_CODE();
 
    /* Initialize the object attributes and open the link */
    InitializeObjectAttributes(&ObjectAttributes,
                               SymbolicLinkName,
                               OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE,
                               NULL,
                               NULL);
    Status = ZwOpenSymbolicLinkObject(&Handle, DELETE, &ObjectAttributes);
    if (!NT_SUCCESS(Status)) return Status;
 
    /* Make the link temporary and close its handle */
    Status = ZwMakeTemporaryObject(Handle);
    if (NT_SUCCESS(Status)) ZwClose(Handle);
 
    /* Return status */
    return Status;
}

Referenced by _Function_class_(), CODE_SEG(), ConDrvDeleteController(), DestroySoundDevice(), DeviceEvtCleanup(), DiskDeleteSymbolicLinks(), DriverEntry(), Ex2ProcessMountPoint(), FdoRemoveAdapter(), FreeBT_AddDevice(), FreeGlobalData(), FsRtlpSetSymbolicLink(), GlobalDeleteSymbolicLink(), InitializeGlobalData(), IoRegisterDeviceInterface(), MountMgrMountedDeviceArrival(), Mx::MxDeleteSymbolicLink(), NdisMDeregisterDevice(), NdisMRegisterDevice(), nfs41_driver_unload(), PartitionHandleRemove(), RamdiskCreateDiskDevice(), ReleaseMemory(), SerialPnpStartDevice(), SysAudio_AddDevice(), SysAudio_Pnp(), Unload(), VfdCreateDevice(), VfdDeleteDevice(), VfdSetLink(), and ViDeleteDevice().