Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 675 insertions, 0 deletions

diff --git a/source4/ntvfs/posix/pvfs_rename.c b/source4/ntvfs/posix/pvfs_rename.c
new file mode 100644
index 0000000..4327161
--- /dev/null
+++ b/source4/ntvfs/posix/pvfs_rename.c
@@ -0,0 +1,675 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   POSIX NTVFS backend - rename
+
+   Copyright (C) Andrew Tridgell 2004
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "vfs_posix.h"
+#include "librpc/gen_ndr/security.h"
+#include "param/param.h"
+
+
+/*
+  do a file rename, and send any notify triggers
+*/
+NTSTATUS pvfs_do_rename(struct pvfs_state *pvfs,
+			struct odb_lock *lck,
+			const struct pvfs_filename *name1,
+			const char *name2)
+{
+	const char *r1, *r2;
+	uint32_t mask;
+	NTSTATUS status;
+
+	if (pvfs_sys_rename(pvfs, name1->full_name, name2,
+			    name1->allow_override) == -1) {
+		return pvfs_map_errno(pvfs, errno);
+	}
+
+	status = odb_rename(lck, name2);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	if (name1->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
+		mask = FILE_NOTIFY_CHANGE_DIR_NAME;
+	} else {
+		mask = FILE_NOTIFY_CHANGE_FILE_NAME;
+	}
+	/* 
+	   renames to the same directory cause a OLD_NAME->NEW_NAME notify.
+	   renames to a different directory are considered a remove/add 
+	*/
+	r1 = strrchr_m(name1->full_name, '/');
+	r2 = strrchr_m(name2, '/');
+
+	if ((r1-name1->full_name) != (r2-name2) ||
+	    strncmp(name1->full_name, name2, r1-name1->full_name) != 0) {
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_REMOVED, 
+			       mask,
+			       name1->full_name);
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_ADDED, 
+			       mask,
+			       name2);
+	} else {
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_OLD_NAME, 
+			       mask,
+			       name1->full_name);
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_NEW_NAME, 
+			       mask,
+			       name2);
+	}
+
+	/* this is a strange one. w2k3 gives an additional event for CHANGE_ATTRIBUTES
+	   and CHANGE_CREATION on the new file when renaming files, but not 
+	   directories */
+	if ((name1->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) == 0) {
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_MODIFIED, 
+			       FILE_NOTIFY_CHANGE_ATTRIBUTES|FILE_NOTIFY_CHANGE_CREATION,
+			       name2);
+	}
+	
+	return NT_STATUS_OK;
+}
+
+
+/*
+  resolve a wildcard rename pattern. This works on one component of the name
+*/
+static const char *pvfs_resolve_wildcard_component(TALLOC_CTX *mem_ctx, 
+						   const char *fname, 
+						   const char *pattern)
+{
+	const char *p1, *p2;
+	char *dest, *d;
+
+	/* the length is bounded by the length of the two strings combined */
+	dest = talloc_array(mem_ctx, char, strlen(fname) + strlen(pattern) + 1);
+	if (dest == NULL) {
+		return NULL;
+	}
+
+	p1 = fname;
+	p2 = pattern;
+	d = dest;
+
+	while (*p2) {
+		codepoint_t c1, c2;
+		size_t c_size1, c_size2;
+		c1 = next_codepoint(p1, &c_size1);
+		c2 = next_codepoint(p2, &c_size2);
+		if (c2 == '?') {
+			d += push_codepoint(d, c1);
+		} else if (c2 == '*') {
+			memcpy(d, p1, strlen(p1));
+			d += strlen(p1);
+			break;
+		} else {
+			d += push_codepoint(d, c2);
+		}
+
+		p1 += c_size1;
+		p2 += c_size2;
+	}
+
+	*d = 0;
+
+	talloc_set_name_const(dest, dest);
+
+	return dest;
+}
+
+/*
+  resolve a wildcard rename pattern.
+*/
+static const char *pvfs_resolve_wildcard(TALLOC_CTX *mem_ctx, 
+					 const char *fname, 
+					 const char *pattern)
+{
+	const char *base1, *base2;
+	const char *ext1, *ext2;
+	char *p;
+
+	/* break into base part plus extension */
+	p = strrchr_m(fname, '.');
+	if (p == NULL) {
+		ext1 = "";
+		base1 = fname;
+	} else {
+		ext1 = talloc_strdup(mem_ctx, p+1);
+		base1 = talloc_strndup(mem_ctx, fname, p-fname);
+	}
+	if (ext1 == NULL || base1 == NULL) {
+		return NULL;
+	}
+
+	p = strrchr_m(pattern, '.');
+	if (p == NULL) {
+		ext2 = "";
+		base2 = fname;
+	} else {
+		ext2 = talloc_strdup(mem_ctx, p+1);
+		base2 = talloc_strndup(mem_ctx, pattern, p-pattern);
+	}
+	if (ext2 == NULL || base2 == NULL) {
+		return NULL;
+	}
+
+	base1 = pvfs_resolve_wildcard_component(mem_ctx, base1, base2);
+	ext1 = pvfs_resolve_wildcard_component(mem_ctx, ext1, ext2);
+	if (base1 == NULL || ext1 == NULL) {
+		return NULL;
+	}
+
+	if (*ext1 == 0) {
+		return base1;
+	}
+
+	return talloc_asprintf(mem_ctx, "%s.%s", base1, ext1);
+}
+
+/*
+  retry an rename after a sharing violation
+*/
+static void pvfs_retry_rename(struct pvfs_odb_retry *r,
+			      struct ntvfs_module_context *ntvfs,
+			      struct ntvfs_request *req,
+			      void *_io,
+			      void *private_data,
+			      enum pvfs_wait_notice reason)
+{
+	union smb_rename *io = talloc_get_type(_io, union smb_rename);
+	NTSTATUS status = NT_STATUS_INTERNAL_ERROR;
+
+	talloc_free(r);
+
+	switch (reason) {
+	case PVFS_WAIT_CANCEL:
+/*TODO*/
+		status = NT_STATUS_CANCELLED;
+		break;
+	case PVFS_WAIT_TIMEOUT:
+		/* if it timed out, then give the failure
+		   immediately */
+/*TODO*/
+		status = NT_STATUS_SHARING_VIOLATION;
+		break;
+	case PVFS_WAIT_EVENT:
+
+		/* try the open again, which could trigger another retry setup
+		   if it wants to, so we have to unmark the async flag so we
+		   will know if it does a second async reply */
+		req->async_states->state &= ~NTVFS_ASYNC_STATE_ASYNC;
+
+		status = pvfs_rename(ntvfs, req, io);
+		if (req->async_states->state & NTVFS_ASYNC_STATE_ASYNC) {
+			/* the 2nd try also replied async, so we don't send
+			   the reply yet */
+			return;
+		}
+
+		/* re-mark it async, just in case someone up the chain does
+		   paranoid checking */
+		req->async_states->state |= NTVFS_ASYNC_STATE_ASYNC;
+		break;
+	}
+
+	/* send the reply up the chain */
+	req->async_states->status = status;
+	req->async_states->send_fn(req);
+}
+
+/*
+  setup for a rename retry after a sharing violation
+  or a non granted oplock
+*/
+static NTSTATUS pvfs_rename_setup_retry(struct ntvfs_module_context *ntvfs,
+					struct ntvfs_request *req,
+					union smb_rename *io,
+					struct odb_lock *lck,
+					NTSTATUS status)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct timeval end_time;
+
+	if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
+		end_time = timeval_add(&req->statistics.request_time,
+				       0, pvfs->sharing_violation_delay);
+	} else if (NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) {
+		end_time = timeval_add(&req->statistics.request_time,
+				       pvfs->oplock_break_timeout, 0);
+	} else {
+		return NT_STATUS_INTERNAL_ERROR;
+	}
+
+	return pvfs_odb_retry_setup(ntvfs, req, lck, end_time, io, NULL,
+				    pvfs_retry_rename);
+}
+
+/*
+  rename one file from a wildcard set
+*/
+static NTSTATUS pvfs_rename_one(struct pvfs_state *pvfs, 
+				struct ntvfs_request *req, 
+				const char *dir_path,
+				const char *fname1,
+				const char *fname2,
+				uint16_t attrib)
+{
+	struct pvfs_filename *name1, *name2;
+	TALLOC_CTX *mem_ctx = talloc_new(req);
+	struct odb_lock *lck = NULL;
+	NTSTATUS status;
+
+	/* resolve the wildcard pattern for this name */
+	fname2 = pvfs_resolve_wildcard(mem_ctx, fname1, fname2);
+	if (fname2 == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	/* get a pvfs_filename source object */
+	status = pvfs_resolve_partial(pvfs, mem_ctx, 
+				      dir_path, fname1,
+				      PVFS_RESOLVE_NO_OPENDB,
+				      &name1);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	/* make sure its matches the given attributes */
+	status = pvfs_match_attrib(pvfs, name1, attrib, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		goto failed;
+	}
+
+	status = pvfs_can_rename(pvfs, req, name1, &lck);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(lck);
+		goto failed;
+	}
+
+	/* get a pvfs_filename dest object */
+	status = pvfs_resolve_partial(pvfs, mem_ctx, 
+				      dir_path, fname2,
+				      PVFS_RESOLVE_NO_OPENDB,
+				      &name2);
+	if (NT_STATUS_IS_OK(status)) {
+		status = pvfs_can_delete(pvfs, req, name2, NULL);
+		if (!NT_STATUS_IS_OK(status)) {
+			goto failed;
+		}
+	}
+
+	status = NT_STATUS_OK;
+
+	fname2 = talloc_asprintf(mem_ctx, "%s/%s", dir_path, fname2);
+	if (fname2 == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	status = pvfs_do_rename(pvfs, lck, name1, fname2);
+
+failed:
+	talloc_free(mem_ctx);
+	return status;
+}
+
+
+/*
+  rename a set of files with wildcards
+*/
+static NTSTATUS pvfs_rename_wildcard(struct pvfs_state *pvfs, 
+				     struct ntvfs_request *req, 
+				     union smb_rename *ren, 
+				     struct pvfs_filename *name1, 
+				     struct pvfs_filename *name2)
+{
+	struct pvfs_dir *dir;
+	NTSTATUS status;
+	off_t ofs = 0;
+	const char *fname, *fname2, *dir_path;
+	uint16_t attrib = ren->rename.in.attrib;
+	int total_renamed = 0;
+
+	/* get list of matching files */
+	status = pvfs_list_start(pvfs, name1, req, &dir);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = NT_STATUS_NO_SUCH_FILE;
+
+	dir_path = pvfs_list_unix_path(dir);
+
+	/* only allow wildcard renames within a directory */
+	if (strncmp(dir_path, name2->full_name, strlen(dir_path)) != 0 ||
+	    name2->full_name[strlen(dir_path)] != '/' ||
+	    strchr(name2->full_name + strlen(dir_path) + 1, '/')) {
+		DEBUG(3,(__location__ ": Invalid rename for %s -> %s\n",
+			 name1->original_name, name2->original_name));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	fname2 = talloc_strdup(name2, name2->full_name + strlen(dir_path) + 1);
+	if (fname2 == NULL) {
+		return NT_STATUS_NO_MEMORY;
+	}
+
+	while ((fname = pvfs_list_next(dir, &ofs))) {
+		status = pvfs_rename_one(pvfs, req, 
+					 dir_path,
+					 fname, fname2, attrib);
+		if (NT_STATUS_IS_OK(status)) {
+			total_renamed++;
+		}
+	}
+
+	if (total_renamed == 0) {
+		return status;
+	}
+
+	return NT_STATUS_OK;
+}
+
+/*
+  rename a set of files - SMBmv interface
+*/
+static NTSTATUS pvfs_rename_mv(struct ntvfs_module_context *ntvfs,
+			       struct ntvfs_request *req, union smb_rename *ren)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	NTSTATUS status;
+	struct pvfs_filename *name1, *name2;
+	struct odb_lock *lck = NULL;
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, ren->rename.in.pattern1, 
+				   PVFS_RESOLVE_WILDCARD, &name1);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_resolve_name(pvfs, req, ren->rename.in.pattern2, 
+				   PVFS_RESOLVE_WILDCARD, &name2);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (name1->has_wildcard || name2->has_wildcard) {
+		return pvfs_rename_wildcard(pvfs, req, ren, name1, name2);
+	}
+
+	if (!name1->exists) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	if (strcmp(name1->full_name, name2->full_name) == 0) {
+		return NT_STATUS_OK;
+	}
+
+	if (name2->exists) {
+		return NT_STATUS_OBJECT_NAME_COLLISION;
+	}
+
+	status = pvfs_match_attrib(pvfs, name1, ren->rename.in.attrib, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_can_rename(pvfs, req, name1, &lck);
+	/*
+	 * on a sharing violation we need to retry when the file is closed by
+	 * the other user, or after 1 second
+	 * on a non granted oplock we need to retry when the file is closed by
+	 * the other user, or after 30 seconds
+	 */
+	if ((NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION) ||
+	     NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) &&
+	    (req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
+		return pvfs_rename_setup_retry(pvfs->ntvfs, req, ren, lck, status);
+	}
+
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_do_rename(pvfs, lck, name1, name2->full_name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+	
+	return NT_STATUS_OK;
+}
+
+
+/*
+  rename a stream
+*/
+static NTSTATUS pvfs_rename_stream(struct ntvfs_module_context *ntvfs,
+				   struct ntvfs_request *req, union smb_rename *ren,
+				   struct pvfs_filename *name1)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	NTSTATUS status;
+	struct odb_lock *lck = NULL;
+
+	if (name1->has_wildcard) {
+		DEBUG(3,(__location__ ": Invalid wildcard rename for %s\n",
+			 name1->original_name));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (ren->ntrename.in.new_name[0] != ':') {
+		DEBUG(3,(__location__ ": Invalid rename for %s\n",
+			 ren->ntrename.in.new_name));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	if (!name1->exists) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	if (ren->ntrename.in.flags != RENAME_FLAG_RENAME) {
+		DEBUG(3,(__location__ ": Invalid rename flags 0x%x for %s\n",
+			 ren->ntrename.in.flags, ren->ntrename.in.new_name));
+		return NT_STATUS_INVALID_PARAMETER;
+	}
+
+	status = pvfs_can_rename(pvfs, req, name1, &lck);
+	/*
+	 * on a sharing violation we need to retry when the file is closed by
+	 * the other user, or after 1 second
+	 * on a non granted oplock we need to retry when the file is closed by
+	 * the other user, or after 30 seconds
+	 */
+	if ((NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION) ||
+	     NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) &&
+	    (req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
+		return pvfs_rename_setup_retry(pvfs->ntvfs, req, ren, lck, status);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_access_check_simple(pvfs, req, name1, SEC_FILE_WRITE_ATTRIBUTE);
+	NT_STATUS_NOT_OK_RETURN(status);
+
+	status = pvfs_stream_rename(pvfs, name1, -1, 
+				    ren->ntrename.in.new_name+1, 
+				    true);
+	NT_STATUS_NOT_OK_RETURN(status);
+	
+	return NT_STATUS_OK;
+}
+
+/*
+  rename a set of files - ntrename interface
+*/
+static NTSTATUS pvfs_rename_nt(struct ntvfs_module_context *ntvfs,
+			       struct ntvfs_request *req, union smb_rename *ren)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	NTSTATUS status;
+	struct pvfs_filename *name1, *name2;
+	struct odb_lock *lck = NULL;
+
+	switch (ren->ntrename.in.flags) {
+	case RENAME_FLAG_RENAME:
+	case RENAME_FLAG_HARD_LINK:
+	case RENAME_FLAG_COPY:
+	case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+		break;
+	default:
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.old_name, 
+				   PVFS_RESOLVE_WILDCARD | PVFS_RESOLVE_STREAMS, &name1);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (name1->stream_name) {
+		/* stream renames need to be handled separately */
+		return pvfs_rename_stream(ntvfs, req, ren, name1);
+	}
+
+	status = pvfs_resolve_name(pvfs, req, ren->ntrename.in.new_name, 
+				   PVFS_RESOLVE_WILDCARD, &name2);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (name1->has_wildcard || name2->has_wildcard) {
+		return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
+	}
+
+	if (!name1->exists) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	if (strcmp(name1->full_name, name2->full_name) == 0) {
+		return NT_STATUS_OK;
+	}
+
+	if (name2->exists) {
+		return NT_STATUS_OBJECT_NAME_COLLISION;
+	}
+
+	status = pvfs_match_attrib(pvfs, name1, ren->ntrename.in.attrib, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_can_rename(pvfs, req, name1, &lck);
+	/*
+	 * on a sharing violation we need to retry when the file is closed by
+	 * the other user, or after 1 second
+	 * on a non granted oplock we need to retry when the file is closed by
+	 * the other user, or after 30 seconds
+	 */
+	if ((NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION) ||
+	     NT_STATUS_EQUAL(status, NT_STATUS_OPLOCK_NOT_GRANTED)) &&
+	    (req->async_states->state & NTVFS_ASYNC_STATE_MAY_ASYNC)) {
+		return pvfs_rename_setup_retry(pvfs->ntvfs, req, ren, lck, status);
+	}
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	switch (ren->ntrename.in.flags) {
+	case RENAME_FLAG_RENAME:
+		status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
+		NT_STATUS_NOT_OK_RETURN(status);
+		status = pvfs_do_rename(pvfs, lck, name1, name2->full_name);
+		NT_STATUS_NOT_OK_RETURN(status);
+		break;
+
+	case RENAME_FLAG_HARD_LINK:
+		status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
+		NT_STATUS_NOT_OK_RETURN(status);
+		if (link(name1->full_name, name2->full_name) == -1) {
+			return pvfs_map_errno(pvfs, errno);
+		}
+		break;
+
+	case RENAME_FLAG_COPY:
+		status = pvfs_access_check_parent(pvfs, req, name2, SEC_DIR_ADD_FILE);
+		NT_STATUS_NOT_OK_RETURN(status);
+		return pvfs_copy_file(pvfs, name1, name2, name1->allow_override && name2->allow_override);
+
+	case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+		DEBUG(3,(__location__ ": Invalid rename cluster for %s\n",
+			 name1->original_name));
+		return NT_STATUS_INVALID_PARAMETER;
+
+	default:
+		return NT_STATUS_ACCESS_DENIED;
+	}
+
+	
+	return NT_STATUS_OK;
+}
+
+/*
+  rename a set of files - ntrename interface
+*/
+NTSTATUS pvfs_rename(struct ntvfs_module_context *ntvfs,
+		     struct ntvfs_request *req, union smb_rename *ren)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_file *f;
+
+	switch (ren->generic.level) {
+	case RAW_RENAME_RENAME:
+		return pvfs_rename_mv(ntvfs, req, ren);
+
+	case RAW_RENAME_NTRENAME:
+		return pvfs_rename_nt(ntvfs, req, ren);
+
+	case RAW_RENAME_NTTRANS:
+		f = pvfs_find_fd(pvfs, req, ren->nttrans.in.file.ntvfs);
+		if (!f) {
+			return NT_STATUS_INVALID_HANDLE;
+		}
+
+		/* wk23 ignores the request */
+		return NT_STATUS_OK;
+
+	default:
+		break;
+	}
+
+	return NT_STATUS_INVALID_LEVEL;
+}
+