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https://github.com/reactos/reactos.git
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118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* PROJECT: ReactOS Kernel
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: ntoskrnl/io/symlink.c
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* PURPOSE: I/O Wrappers for Symbolic Links
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* PROGRAMMERS: Alex Ionescu (alex.ionescu@reactos.org)
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* Eric Kohl
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*/
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/* INCLUDES *****************************************************************/
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#include <ntoskrnl.h>
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ****************************************************************/
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/*
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* @implemented
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*/
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NTSTATUS
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NTAPI
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IoCreateSymbolicLink(IN PUNICODE_STRING SymbolicLinkName,
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IN PUNICODE_STRING DeviceName)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE Handle;
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NTSTATUS Status;
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PAGED_CODE();
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/* Initialize the object attributes and create the link */
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InitializeObjectAttributes(&ObjectAttributes,
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SymbolicLinkName,
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OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
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NULL,
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SePublicDefaultSd);
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Status = ZwCreateSymbolicLinkObject(&Handle,
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SYMBOLIC_LINK_ALL_ACCESS,
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&ObjectAttributes,
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DeviceName);
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if (NT_SUCCESS(Status)) ZwClose(Handle);
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/* Return status */
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return Status;
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}
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/*
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* @implemented
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*/
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NTSTATUS
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NTAPI
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IoCreateUnprotectedSymbolicLink(IN PUNICODE_STRING SymbolicLinkName,
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IN PUNICODE_STRING DeviceName)
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{
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SECURITY_DESCRIPTOR SecurityDescriptor;
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE Handle;
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NTSTATUS Status;
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PAGED_CODE();
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/* Create an SD */
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Status = RtlCreateSecurityDescriptor(&SecurityDescriptor,
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SECURITY_DESCRIPTOR_REVISION);
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if (!NT_SUCCESS(Status)) return Status;
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/* Set the DACL */
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Status = RtlSetDaclSecurityDescriptor(&SecurityDescriptor,
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TRUE,
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NULL,
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TRUE);
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if (!NT_SUCCESS(Status)) return Status;
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/* Initialize the object attributes and create the link */
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InitializeObjectAttributes(&ObjectAttributes,
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SymbolicLinkName,
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OBJ_PERMANENT | OBJ_CASE_INSENSITIVE,
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NULL,
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&SecurityDescriptor);
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Status = ZwCreateSymbolicLinkObject(&Handle,
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SYMBOLIC_LINK_ALL_ACCESS,
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&ObjectAttributes,
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DeviceName);
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if (NT_SUCCESS(Status)) ZwClose(Handle);
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/* Return status */
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return Status;
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}
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/*
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* @implemented
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*/
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NTSTATUS
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NTAPI
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IoDeleteSymbolicLink(IN PUNICODE_STRING SymbolicLinkName)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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HANDLE Handle;
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NTSTATUS Status;
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PAGED_CODE();
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/* Initialize the object attributes and open the link */
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InitializeObjectAttributes(&ObjectAttributes,
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SymbolicLinkName,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = ZwOpenSymbolicLinkObject(&Handle, DELETE, &ObjectAttributes);
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if (!NT_SUCCESS(Status)) return Status;
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/* Make the link temporary and close its handle */
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Status = ZwMakeTemporaryObject(Handle);
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if (NT_SUCCESS(Status)) ZwClose(Handle);
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/* Return status */
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return Status;
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}
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/* EOF */
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