This commit was generated by cvs2svn to compensate for changes in r52,

[reactos.git] / reactos / ntoskrnl / io / symlink.c

diff --git a/reactos/ntoskrnl/io/symlink.c b/reactos/ntoskrnl/io/symlink.c
index 077d373..d7b4d90 100644 (file)
--- a/reactos/ntoskrnl/io/symlink.c
+++ b/reactos/ntoskrnl/io/symlink.c
@@ -26,25 +26,46 @@ typedef struct
    OBJECT_ATTRIBUTES Target;
 } SYMLNK_OBJECT, *PSYMLNK_OBJECT;
 
-OBJECT_TYPE SymlinkObjectType = {{NULL,0,0},
-                                0,
-                                0,
-                                ULONG_MAX,
-                                ULONG_MAX,
-                                sizeof(SYMLNK_OBJECT),
-                                0,
-                               NULL,
-                               NULL,
-                               NULL,
-                               NULL,
-                               NULL,
-                               NULL,
-                               NULL,
-                               NULL,
-                               };                           
+POBJECT_TYPE IoSymbolicLinkType = NULL;
 
 /* FUNCTIONS *****************************************************************/
 
+VOID IoInitSymbolicLinkImplementation(VOID)
+{
+   ANSI_STRING AnsiString;
+   
+   IoSymbolicLinkType = ExAllocatePool(NonPagedPool,sizeof(OBJECT_TYPE));
+   
+   IoSymbolicLinkType->TotalObjects = 0;
+   IoSymbolicLinkType->TotalHandles = 0;
+   IoSymbolicLinkType->MaxObjects = ULONG_MAX;
+   IoSymbolicLinkType->MaxHandles = ULONG_MAX;
+   IoSymbolicLinkType->PagedPoolCharge = 0;
+   IoSymbolicLinkType->NonpagedPoolCharge = sizeof(SYMLNK_OBJECT);
+   IoSymbolicLinkType->Dump = NULL;
+   IoSymbolicLinkType->Open = NULL;
+   IoSymbolicLinkType->Close = NULL;
+   IoSymbolicLinkType->Delete = NULL;
+   IoSymbolicLinkType->Parse = NULL;
+   IoSymbolicLinkType->Security = NULL;
+   IoSymbolicLinkType->QueryName = NULL;
+   IoSymbolicLinkType->OkayToClose = NULL;
+   
+   RtlInitAnsiString(&AnsiString,"Symbolic Link");
+   RtlAnsiStringToUnicodeString(&IoSymbolicLinkType->TypeName,
+                               &AnsiString,TRUE);
+}
+
+
+NTSTATUS NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle,
+                                 IN ACCESS_MASK DesiredAccess,
+                                 IN POBJECT_ATTRIBUTES ObjectAttributes)
+{
+   return(ZwOpenSymbolicLinkObject(LinkHandle,
+                                  DesiredAccess,
+                                  ObjectAttributes));
+}
+
 NTSTATUS ZwOpenSymbolicLinkObject(OUT PHANDLE LinkHandle,
                                  IN ACCESS_MASK DesiredAccess,
                                  IN POBJECT_ATTRIBUTES ObjectAttributes)
@@ -58,20 +79,34 @@ NTSTATUS ZwOpenSymbolicLinkObject(OUT PHANDLE LinkHandle,
      {
        return(Status);
      }
-   *LinkHandle = ObAddHandle(Object);
+   *LinkHandle = ObInsertHandle(KeGetCurrentProcess(),Object,
+                               DesiredAccess,FALSE);
    return(STATUS_SUCCESS);
 }
 
-NTSTATUS ZwQuerySymbolicLinkObject(IN HANDLE LinkHandle,
+NTSTATUS NtQuerySymbolicLinkObject(IN HANDLE LinkHandle,
                                   IN OUT PUNICODE_STRING LinkTarget,
                                   OUT PULONG ReturnedLength OPTIONAL)
 {
-   COMMON_BODY_HEADER* hdr = ObGetObjectByHandle(LinkHandle);
-   PSYMLNK_OBJECT SymlinkObject = (PSYMLNK_OBJECT)hdr;
+   return(ZwQuerySymbolicLinkObject(LinkHandle,LinkTarget,ReturnedLength));
+}
 
-   if (hdr==NULL)
+NTSTATUS ZwQuerySymbolicLinkObject(IN HANDLE LinkHandle,
+                                  IN OUT PUNICODE_STRING LinkTarget,
+                                  OUT PULONG ReturnedLength OPTIONAL)
+{
+   PSYMLNK_OBJECT SymlinkObject;
+   NTSTATUS Status;
+   
+   Status = ObReferenceObjectByHandle(LinkHandle,
+                                     SYMBOLIC_LINK_QUERY,
+                                     IoSymbolicLinkType,
+                                     UserMode,
+                                     (PVOID*)&SymlinkObject,
+                                     NULL);
+   if (Status != STATUS_SUCCESS)
      {
-       return(STATUS_INVALID_HANDLE);
+       return(Status);
      }
    
    RtlCopyUnicodeString(LinkTarget,SymlinkObject->Target.ObjectName);
@@ -97,15 +132,6 @@ POBJECT IoOpenSymlink(POBJECT _Symlink)
    return(Result);
 }
 
-VOID IoInitSymbolicLinkImplementation(VOID)
-{
-   ANSI_STRING astring;
-   
-   RtlInitAnsiString(&astring,"Symbolic Link");
-   RtlAnsiStringToUnicodeString(&SymlinkObjectType.TypeName,&astring,TRUE);
-   ObRegisterType(OBJTYP_SYMLNK,&SymlinkObjectType);   
-}
-
 NTSTATUS IoCreateUnprotectedSymbolicLink(PUNICODE_STRING SymbolicLinkName,
                                         PUNICODE_STRING DeviceName)
 {
@@ -124,12 +150,15 @@ NTSTATUS IoCreateSymbolicLink(PUNICODE_STRING SymbolicLinkName,
          SymbolicLinkName->Buffer,DeviceName->Buffer);
    
    InitializeObjectAttributes(&ObjectAttributes,SymbolicLinkName,0,NULL,NULL);
-   SymbolicLink = ObGenericCreateObject(&SymbolicLinkHandle,0,
-                                       &ObjectAttributes,OBJTYP_SYMLNK);
+   SymbolicLink = ObGenericCreateObject(&SymbolicLinkHandle,
+                                       SYMBOLIC_LINK_ALL_ACCESS,
+                                       &ObjectAttributes,
+                                       IoSymbolicLinkType);
    if (SymbolicLink == NULL)
      {
        return(STATUS_UNSUCCESSFUL);
      }
+   
    SymbolicLink->TargetName.Buffer = ExAllocatePool(NonPagedPool,
                                         ((wstrlen(DeviceName->Buffer)+1)*2));
    SymbolicLink->TargetName.MaximumLength = wstrlen(DeviceName->Buffer);
@@ -146,3 +175,25 @@ NTSTATUS IoDeleteSymbolicLink(PUNICODE_STRING DeviceName)
 {
    UNIMPLEMENTED;
 }
+
+NTSTATUS STDCALL NtCreateSymbolicLinkObject(
+                                   OUT PHANDLE SymbolicLinkHandle,
+                                   IN ACCESS_MASK DesiredAccess,
+                                   IN POBJECT_ATTRIBUTES ObjectAttributes,
+                                   IN PUNICODE_STRING Name)
+{
+   return(NtCreateSymbolicLinkObject(SymbolicLinkHandle,
+                                    DesiredAccess,
+                                    ObjectAttributes,
+                                    Name));
+}
+
+NTSTATUS STDCALL ZwCreateSymbolicLinkObject(
+                                   OUT PHANDLE SymbolicLinkHandle,
+                                   IN ACCESS_MASK DesiredAccess,
+                                   IN POBJECT_ATTRIBUTES ObjectAttributes,
+                                   IN PUNICODE_STRING Name)
+{
+   UNIMPLEMENTED;
+}
+