wmi-1.3.16 from opsview.com

2019-02-16 00:16:52 +01:00
parent 163fdd3d1b
commit 17b3af2911
2146 changed files with 678824 additions and 0 deletions
@@ -0,0 +1,185 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   POSIX NTVFS backend - unlink
+
+   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 2 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, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "vfs_posix.h"
+#include "system/dir.h"
+
+
+/*
+  unlink a stream
+ */
+static NTSTATUS pvfs_unlink_stream(struct pvfs_state *pvfs, 
+				   struct ntvfs_request *req,
+				   struct pvfs_filename *name, 
+				   uint16_t attrib)
+{
+	NTSTATUS status;
+	struct odb_lock *lck;
+
+	if (!name->stream_exists) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	/* make sure its matches the given attributes */
+	status = pvfs_match_attrib(pvfs, name, attrib, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = pvfs_can_delete(pvfs, req, name, &lck);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	return pvfs_stream_delete(pvfs, name, -1);
+}
+
+
+/*
+  unlink one file
+*/
+static NTSTATUS pvfs_unlink_one(struct pvfs_state *pvfs, 
+				struct ntvfs_request *req,
+				const char *unix_path, 
+				const char *fname, uint32_t attrib)
+{
+	struct pvfs_filename *name;
+	NTSTATUS status;
+	struct odb_lock *lck;
+
+	/* get a pvfs_filename object */
+	status = pvfs_resolve_partial(pvfs, req, 
+				      unix_path, fname, &name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	/* make sure its matches the given attributes */
+	status = pvfs_match_attrib(pvfs, name, attrib, 0);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(name);
+		return status;
+	}
+
+	status = pvfs_can_delete(pvfs, req, name, &lck);
+	if (!NT_STATUS_IS_OK(status)) {
+		talloc_free(name);
+		return status;
+	}
+
+	if (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
+		talloc_free(name);
+		return NT_STATUS_FILE_IS_A_DIRECTORY;
+	}
+
+	if (name->st.st_nlink == 1) {
+		status = pvfs_xattr_unlink_hook(pvfs, name->full_name);
+		if (!NT_STATUS_IS_OK(status)) {
+			return status;
+		}
+	}
+
+	/* finally try the actual unlink */
+	if (unlink(name->full_name) == -1) {
+		status = pvfs_map_errno(pvfs, errno);
+	}
+
+	if (NT_STATUS_IS_OK(status)) {
+		notify_trigger(pvfs->notify_context, 
+			       NOTIFY_ACTION_REMOVED, 
+			       FILE_NOTIFY_CHANGE_FILE_NAME,
+			       name->full_name);
+	}
+
+	talloc_free(name);
+
+	return status;
+}
+
+/*
+  delete a file - the dirtype specifies the file types to include in the search. 
+  The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
+*/
+NTSTATUS pvfs_unlink(struct ntvfs_module_context *ntvfs,
+		     struct ntvfs_request *req,
+		     union smb_unlink *unl)
+{
+	struct pvfs_state *pvfs = ntvfs->private_data;
+	struct pvfs_dir *dir;
+	NTSTATUS status;
+	uint32_t total_deleted=0;
+	struct pvfs_filename *name;
+	const char *fname;
+	off_t ofs;
+
+	/* resolve the cifs name to a posix name */
+	status = pvfs_resolve_name(pvfs, req, unl->unlink.in.pattern, 
+				   PVFS_RESOLVE_WILDCARD | PVFS_RESOLVE_STREAMS, &name);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (!name->exists && !name->has_wildcard) {
+		return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+	}
+
+	if (name->exists && 
+	    (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)) {
+		return NT_STATUS_FILE_IS_A_DIRECTORY;
+	}
+
+	if (name->stream_name) {
+		return pvfs_unlink_stream(pvfs, req, name, unl->unlink.in.attrib);
+	}
+
+	/* get list of matching files */
+	status = pvfs_list_start(pvfs, name, req, &dir);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	status = NT_STATUS_NO_SUCH_FILE;
+
+	ofs = 0;
+
+	while ((fname = pvfs_list_next(dir, &ofs))) {
+		/* this seems to be a special case */
+		if ((unl->unlink.in.attrib & FILE_ATTRIBUTE_DIRECTORY) &&
+		    (ISDOT(fname) || ISDOTDOT(fname))) {
+			return NT_STATUS_OBJECT_NAME_INVALID;
+		}
+
+		status = pvfs_unlink_one(pvfs, req, pvfs_list_unix_path(dir), fname, unl->unlink.in.attrib);
+		if (NT_STATUS_IS_OK(status)) {
+			total_deleted++;
+		}
+	}
+
+	if (total_deleted > 0) {
+		status = NT_STATUS_OK;
+	}
+
+	return status;
+}
+
+