source: trunk/server/source4/ntvfs/posix/pvfs_mkdir.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 5.1 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 POSIX NTVFS backend - mkdir and rmdir
5
6 Copyright (C) Andrew Tridgell 2004
7
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 3 of the License, or
11 (at your option) any later version.
12
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.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "system/dir.h"
24#include "vfs_posix.h"
25#include "librpc/gen_ndr/security.h"
26
27/*
28 create a directory with EAs
29*/
30static NTSTATUS pvfs_t2mkdir(struct pvfs_state *pvfs,
31 struct ntvfs_request *req, union smb_mkdir *md)
32{
33 NTSTATUS status;
34 struct pvfs_filename *name;
35 mode_t mode;
36
37 /* resolve the cifs name to a posix name */
38 status = pvfs_resolve_name(pvfs, req, md->t2mkdir.in.path, 0, &name);
39 if (!NT_STATUS_IS_OK(status)) {
40 return status;
41 }
42
43 if (name->exists) {
44 return NT_STATUS_OBJECT_NAME_COLLISION;
45 }
46
47 status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_ADD_FILE);
48 if (!NT_STATUS_IS_OK(status)) {
49 return status;
50 }
51
52 mode = pvfs_fileperms(pvfs, FILE_ATTRIBUTE_DIRECTORY);
53
54 if (pvfs_sys_mkdir(pvfs, name->full_name, mode) == -1) {
55 return pvfs_map_errno(pvfs, errno);
56 }
57
58 pvfs_xattr_unlink_hook(pvfs, name->full_name);
59
60 status = pvfs_resolve_name(pvfs, req, md->t2mkdir.in.path, 0, &name);
61 if (!NT_STATUS_IS_OK(status)) {
62 return status;
63 }
64 if (!name->exists ||
65 !(name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)) {
66 return NT_STATUS_INTERNAL_ERROR;
67 }
68
69 /* setup an inherited acl from the parent */
70 status = pvfs_acl_inherit(pvfs, req, name, -1);
71 if (!NT_STATUS_IS_OK(status)) {
72 pvfs_sys_rmdir(pvfs, name->full_name);
73 return status;
74 }
75
76 /* setup any EAs that were asked for */
77 status = pvfs_setfileinfo_ea_set(pvfs, name, -1,
78 md->t2mkdir.in.num_eas,
79 md->t2mkdir.in.eas);
80 if (!NT_STATUS_IS_OK(status)) {
81 pvfs_sys_rmdir(pvfs, name->full_name);
82 return status;
83 }
84
85 notify_trigger(pvfs->notify_context,
86 NOTIFY_ACTION_ADDED,
87 FILE_NOTIFY_CHANGE_DIR_NAME,
88 name->full_name);
89
90 return NT_STATUS_OK;
91}
92
93/*
94 create a directory
95*/
96NTSTATUS pvfs_mkdir(struct ntvfs_module_context *ntvfs,
97 struct ntvfs_request *req, union smb_mkdir *md)
98{
99 struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
100 struct pvfs_state);
101 NTSTATUS status;
102 struct pvfs_filename *name;
103 mode_t mode;
104
105 if (md->generic.level == RAW_MKDIR_T2MKDIR) {
106 return pvfs_t2mkdir(pvfs, req, md);
107 }
108
109 if (md->generic.level != RAW_MKDIR_MKDIR) {
110 return NT_STATUS_INVALID_LEVEL;
111 }
112
113 /* resolve the cifs name to a posix name */
114 status = pvfs_resolve_name(pvfs, req, md->mkdir.in.path, 0, &name);
115 if (!NT_STATUS_IS_OK(status)) {
116 return status;
117 }
118
119 if (name->exists) {
120 return NT_STATUS_OBJECT_NAME_COLLISION;
121 }
122
123 status = pvfs_access_check_parent(pvfs, req, name, SEC_DIR_ADD_FILE);
124 if (!NT_STATUS_IS_OK(status)) {
125 return status;
126 }
127
128 mode = pvfs_fileperms(pvfs, FILE_ATTRIBUTE_DIRECTORY);
129
130 if (pvfs_sys_mkdir(pvfs, name->full_name, mode) == -1) {
131 return pvfs_map_errno(pvfs, errno);
132 }
133
134 pvfs_xattr_unlink_hook(pvfs, name->full_name);
135
136 /* setup an inherited acl from the parent */
137 status = pvfs_acl_inherit(pvfs, req, name, -1);
138 if (!NT_STATUS_IS_OK(status)) {
139 pvfs_sys_rmdir(pvfs, name->full_name);
140 return status;
141 }
142
143 notify_trigger(pvfs->notify_context,
144 NOTIFY_ACTION_ADDED,
145 FILE_NOTIFY_CHANGE_DIR_NAME,
146 name->full_name);
147
148 return NT_STATUS_OK;
149}
150
151/*
152 remove a directory
153*/
154NTSTATUS pvfs_rmdir(struct ntvfs_module_context *ntvfs,
155 struct ntvfs_request *req, struct smb_rmdir *rd)
156{
157 struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
158 struct pvfs_state);
159 NTSTATUS status;
160 struct pvfs_filename *name;
161
162 /* resolve the cifs name to a posix name */
163 status = pvfs_resolve_name(pvfs, req, rd->in.path, 0, &name);
164 if (!NT_STATUS_IS_OK(status)) {
165 return status;
166 }
167
168 if (!name->exists) {
169 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
170 }
171
172 status = pvfs_access_check_simple(pvfs, req, name, SEC_STD_DELETE);
173 if (!NT_STATUS_IS_OK(status)) {
174 return status;
175 }
176
177 status = pvfs_xattr_unlink_hook(pvfs, name->full_name);
178 if (!NT_STATUS_IS_OK(status)) {
179 return status;
180 }
181
182 if (pvfs_sys_rmdir(pvfs, name->full_name) == -1) {
183 /* some olders systems don't return ENOTEMPTY to rmdir() */
184 if (errno == EEXIST) {
185 return NT_STATUS_DIRECTORY_NOT_EMPTY;
186 }
187 return pvfs_map_errno(pvfs, errno);
188 }
189
190 notify_trigger(pvfs->notify_context,
191 NOTIFY_ACTION_REMOVED,
192 FILE_NOTIFY_CHANGE_DIR_NAME,
193 name->full_name);
194
195 return NT_STATUS_OK;
196}
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