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Implemented IoDeleteSymbolicLink() and NtCreateSymbolicLinkObject().

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svn path=/trunk/; revision=1181
This commit is contained in:
Eric Kohl 2000-06-13 15:51:13 +00:00
parent 19e66992de
commit fb6c04efbd
2 changed files with 90 additions and 19 deletions
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4
reactos/include/ddk/iofuncs.h
View file

@ -1,6 +1,6 @@
#ifndef _INCLUDE_DDK_IOFUNCS_H
#define _INCLUDE_DDK_IOFUNCS_H
/* $Id: iofuncs.h,v 1.13 2000/06/12 14:51:26 ekohl Exp $ */
/* $Id: iofuncs.h,v 1.14 2000/06/13 15:50:51 ekohl Exp $ */
/* --- EXPORTED BY NTOSKRNL --- */
@ -527,7 +527,7 @@ IoCreateUnprotectedSymbolicLink (
* );
*/
#define IoDeassignArcName(ArcName) \
IoDeleteSymbolicLink((ArcName))
(IoDeleteSymbolicLink((ArcName)))
VOID
STDCALL

105
reactos/ntoskrnl/io/symlink.c
View file

@ -1,4 +1,4 @@
/* $Id: symlink.c,v 1.12 2000/03/26 22:00:08 dwelch Exp $
/* $Id: symlink.c,v 1.13 2000/06/13 15:51:13 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -25,7 +25,7 @@ typedef struct
CSHORT Type;
CSHORT Size;
UNICODE_STRING TargetName;
OBJECT_ATTRIBUTES Target;
OBJECT_ATTRIBUTES Target;
} SYMLNK_OBJECT, *PSYMLNK_OBJECT;
POBJECT_TYPE IoSymbolicLinkType = NULL;
@ -89,7 +89,7 @@ IopParseSymbolicLink (
NTSTATUS Status;
PSYMLNK_OBJECT SymlinkObject = (PSYMLNK_OBJECT) Object;
PVOID ReturnedObject;
Status = ObReferenceObjectByName(
SymlinkObject->Target.ObjectName,
0,
@ -185,7 +185,7 @@ NtOpenSymbolicLinkObject (
{
return Status;
}
Status = ObCreateHandle(
PsGetCurrentProcess(),
Object,
@ -197,7 +197,7 @@ NtOpenSymbolicLinkObject (
{
return Status;
}
return STATUS_SUCCESS;
}
@ -225,7 +225,7 @@ NtQuerySymbolicLinkObject (
{
PSYMLNK_OBJECT SymlinkObject;
NTSTATUS Status;
Status = ObReferenceObjectByHandle(
LinkHandle,
SYMBOLIC_LINK_QUERY,
@ -238,7 +238,7 @@ NtQuerySymbolicLinkObject (
{
return Status;
}
RtlCopyUnicodeString(
LinkTarget,
SymlinkObject->Target.ObjectName
@ -302,15 +302,15 @@ IoCreateSymbolicLink (
{
OBJECT_ATTRIBUTES ObjectAttributes;
PSYMLNK_OBJECT SymbolicLink;
assert_irql(PASSIVE_LEVEL);
DPRINT(
"IoCreateSymbolicLink(SymbolicLinkName %S, DeviceName %S)\n",
SymbolicLinkName->Buffer,
DeviceName->Buffer
);
InitializeObjectAttributes(
& ObjectAttributes,
SymbolicLinkName,
@ -335,7 +335,7 @@ IoCreateSymbolicLink (
SymbolicLink->TargetName.Buffer =
ExAllocatePool(
NonPagedPool,
SymbolicLink->TargetName.MaximumLength
SymbolicLink->TargetName.MaximumLength
);
RtlCopyUnicodeString(
& (SymbolicLink->TargetName),
@ -353,7 +353,7 @@ IoCreateSymbolicLink (
);
DPRINT("%s() = STATUS_SUCCESS\n",__FUNCTION__);
ObDereferenceObject( SymbolicLink );
ObDereferenceObject( SymbolicLink );
return STATUS_SUCCESS;
}
@ -374,10 +374,34 @@ IoCreateSymbolicLink (
NTSTATUS
STDCALL
IoDeleteSymbolicLink (
PUNICODE_STRING DeviceName
PUNICODE_STRING SymbolicLinkName
)
{
UNIMPLEMENTED;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE Handle;
NTSTATUS Status;
assert_irql(PASSIVE_LEVEL);
DPRINT("IoDeleteSymbolicLink (SymbolicLinkName %S)\n",
SymbolicLinkName->Buffer);
InitializeObjectAttributes (&ObjectAttributes,
SymbolicLinkName,
0,
NULL,
NULL);
Status = NtOpenSymbolicLinkObject (&Handle,
SYMBOLIC_LINK_ALL_ACCESS,
&ObjectAttributes);
if (!NT_SUCCESS(Status))
return Status;
Status = NtMakeTemporaryObject (Handle);
NtClose (Handle);
return Status;
}
@ -400,11 +424,58 @@ NtCreateSymbolicLinkObject (
OUT PHANDLE SymbolicLinkHandle,
IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN PUNICODE_STRING Name
IN PUNICODE_STRING DeviceName
)
{
UNIMPLEMENTED;
PSYMLNK_OBJECT SymbolicLink;
assert_irql(PASSIVE_LEVEL);
DPRINT(
"NtCreateSymbolicLinkObject(SymbolicLinkHandle %p, DesiredAccess %ul, ObjectAttributes %p, DeviceName %S)\n",
SymbolicLinkHandle,
DesiredAccess,
ObjectAttributes,
DeviceName->Buffer
);
SymbolicLink = ObCreateObject(
SymbolicLinkHandle,
DesiredAccess,
ObjectAttributes,
IoSymbolicLinkType
);
if (SymbolicLink == NULL)
{
return STATUS_UNSUCCESSFUL;
}
SymbolicLink->TargetName.Length = 0;
SymbolicLink->TargetName.MaximumLength =
((wcslen(DeviceName->Buffer) + 1) * sizeof(WCHAR));
SymbolicLink->TargetName.Buffer =
ExAllocatePool(
NonPagedPool,
SymbolicLink->TargetName.MaximumLength
);
RtlCopyUnicodeString(
& (SymbolicLink->TargetName),
DeviceName
);
DPRINT("DeviceName %S\n", SymbolicLink->TargetName.Buffer);
InitializeObjectAttributes(
& (SymbolicLink->Target),
& (SymbolicLink->TargetName),
0,
NULL,
NULL
);
DPRINT("%s() = STATUS_SUCCESS\n",__FUNCTION__);
ObDereferenceObject( SymbolicLink );
return STATUS_SUCCESS;
}
/* EOF */