2 Unix SMB/CIFS implementation.
4 POSIX NTVFS backend - unlink
6 Copyright (C) Andrew Tridgell 2004
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "vfs_posix.h"
30 static NTSTATUS pvfs_unlink_stream(struct pvfs_state *pvfs, struct pvfs_filename *name,
35 if (!name->stream_exists) {
36 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
39 /* make sure its matches the given attributes */
40 status = pvfs_match_attrib(pvfs, name, attrib, 0);
41 if (!NT_STATUS_IS_OK(status)) {
45 status = pvfs_can_delete(pvfs, name);
46 if (!NT_STATUS_IS_OK(status)) {
50 return pvfs_stream_delete(pvfs, name, -1);
57 static NTSTATUS pvfs_unlink_one(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
58 const char *unix_path,
59 const char *fname, uint32_t attrib)
61 struct pvfs_filename *name;
64 /* get a pvfs_filename object */
65 status = pvfs_resolve_partial(pvfs, mem_ctx,
66 unix_path, fname, &name);
67 if (!NT_STATUS_IS_OK(status)) {
71 /* make sure its matches the given attributes */
72 status = pvfs_match_attrib(pvfs, name, attrib, 0);
73 if (!NT_STATUS_IS_OK(status)) {
78 status = pvfs_can_delete(pvfs, name);
79 if (!NT_STATUS_IS_OK(status)) {
84 if (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY) {
86 return NT_STATUS_FILE_IS_A_DIRECTORY;
89 status = pvfs_xattr_unlink_hook(pvfs, name->full_name);
90 if (!NT_STATUS_IS_OK(status)) {
94 /* finally try the actual unlink */
95 if (unlink(name->full_name) == -1) {
96 status = pvfs_map_errno(pvfs, errno);
105 delete a file - the dirtype specifies the file types to include in the search.
106 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
108 NTSTATUS pvfs_unlink(struct ntvfs_module_context *ntvfs,
109 struct smbsrv_request *req, struct smb_unlink *unl)
111 struct pvfs_state *pvfs = ntvfs->private_data;
112 struct pvfs_dir *dir;
114 uint32_t total_deleted=0;
115 struct pvfs_filename *name;
119 /* resolve the cifs name to a posix name */
120 status = pvfs_resolve_name(pvfs, req, unl->in.pattern,
121 PVFS_RESOLVE_WILDCARD | PVFS_RESOLVE_STREAMS, &name);
122 if (!NT_STATUS_IS_OK(status)) {
126 if (!name->exists && !name->has_wildcard) {
127 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
131 (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)) {
132 return NT_STATUS_FILE_IS_A_DIRECTORY;
135 if (name->stream_name) {
136 return pvfs_unlink_stream(pvfs, name, unl->in.attrib);
139 /* get list of matching files */
140 status = pvfs_list_start(pvfs, name, req, &dir);
141 if (!NT_STATUS_IS_OK(status)) {
145 status = NT_STATUS_NO_SUCH_FILE;
149 while ((fname = pvfs_list_next(dir, &ofs))) {
150 /* this seems to be a special case */
151 if ((unl->in.attrib & FILE_ATTRIBUTE_DIRECTORY) &&
152 (strcmp(fname, ".") == 0 ||
153 strcmp(fname, "..") == 0)) {
154 return NT_STATUS_OBJECT_NAME_INVALID;
157 status = pvfs_unlink_one(pvfs, req, pvfs_list_unix_path(dir), fname, unl->in.attrib);
158 if (NT_STATUS_IS_OK(status)) {
163 if (total_deleted > 0) {
164 status = NT_STATUS_OK;