source: vendor/3.5.7/source4/libcli/smb2/util.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 5.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client utility functions
5
6 Copyright (C) Andrew Tridgell 2005
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 "libcli/raw/libcliraw.h"
24#include "libcli/raw/raw_proto.h"
25#include "libcli/smb2/smb2.h"
26#include "libcli/smb2/smb2_calls.h"
27#include "libcli/smb_composite/smb_composite.h"
28
29/*
30 simple close wrapper with SMB2
31*/
32NTSTATUS smb2_util_close(struct smb2_tree *tree, struct smb2_handle h)
33{
34 struct smb2_close c;
35
36 ZERO_STRUCT(c);
37 c.in.file.handle = h;
38
39 return smb2_close(tree, &c);
40}
41
42/*
43 unlink a file with SMB2
44*/
45NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname)
46{
47 union smb_unlink io;
48
49 ZERO_STRUCT(io);
50 io.unlink.in.pattern = fname;
51
52 return smb2_composite_unlink(tree, &io);
53}
54
55
56/*
57 rmdir with SMB2
58*/
59NTSTATUS smb2_util_rmdir(struct smb2_tree *tree, const char *dname)
60{
61 struct smb_rmdir io;
62
63 ZERO_STRUCT(io);
64 io.in.path = dname;
65
66 return smb2_composite_rmdir(tree, &io);
67}
68
69
70/*
71 mkdir with SMB2
72*/
73NTSTATUS smb2_util_mkdir(struct smb2_tree *tree, const char *dname)
74{
75 union smb_mkdir io;
76
77 ZERO_STRUCT(io);
78 io.mkdir.level = RAW_MKDIR_MKDIR;
79 io.mkdir.in.path = dname;
80
81 return smb2_composite_mkdir(tree, &io);
82}
83
84
85/*
86 set file attribute with SMB2
87*/
88NTSTATUS smb2_util_setatr(struct smb2_tree *tree, const char *name, uint32_t attrib)
89{
90 union smb_setfileinfo io;
91
92 ZERO_STRUCT(io);
93 io.basic_info.level = RAW_SFILEINFO_BASIC_INFORMATION;
94 io.basic_info.in.file.path = name;
95 io.basic_info.in.attrib = attrib;
96
97 return smb2_composite_setpathinfo(tree, &io);
98}
99
100
101
102
103/*
104 recursively descend a tree deleting all files
105 returns the number of files deleted, or -1 on error
106*/
107int smb2_deltree(struct smb2_tree *tree, const char *dname)
108{
109 NTSTATUS status;
110 uint32_t total_deleted = 0;
111 uint_t count, i;
112 union smb_search_data *list;
113 TALLOC_CTX *tmp_ctx = talloc_new(tree);
114 struct smb2_find f;
115 struct smb2_create create_parm;
116 bool did_delete;
117
118 /* it might be a file */
119 status = smb2_util_unlink(tree, dname);
120 if (NT_STATUS_IS_OK(status)) {
121 talloc_free(tmp_ctx);
122 return 1;
123 }
124 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
125 NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
126 NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_FILE)) {
127 talloc_free(tmp_ctx);
128 return 0;
129 }
130
131 if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
132 /* it could be read-only */
133 status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
134 status = smb2_util_unlink(tree, dname);
135 }
136 if (NT_STATUS_IS_OK(status)) {
137 talloc_free(tmp_ctx);
138 return 1;
139 }
140
141 ZERO_STRUCT(create_parm);
142 create_parm.in.desired_access = SEC_FILE_READ_DATA;
143 create_parm.in.share_access =
144 NTCREATEX_SHARE_ACCESS_READ|
145 NTCREATEX_SHARE_ACCESS_WRITE;
146 create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
147 create_parm.in.create_disposition = NTCREATEX_DISP_OPEN;
148 create_parm.in.fname = dname;
149
150 status = smb2_create(tree, tmp_ctx, &create_parm);
151 if (NT_STATUS_IS_ERR(status)) {
152 DEBUG(2,("Failed to open %s - %s\n", dname, nt_errstr(status)));
153 talloc_free(tmp_ctx);
154 return -1;
155 }
156
157
158 do {
159 did_delete = false;
160
161 ZERO_STRUCT(f);
162 f.in.file.handle = create_parm.out.file.handle;
163 f.in.max_response_size = 0x10000;
164 f.in.level = SMB2_FIND_NAME_INFO;
165 f.in.pattern = "*";
166
167 status = smb2_find_level(tree, tmp_ctx, &f, &count, &list);
168 if (NT_STATUS_IS_ERR(status)) {
169 DEBUG(2,("Failed to list %s - %s\n",
170 dname, nt_errstr(status)));
171 smb2_util_close(tree, create_parm.out.file.handle);
172 talloc_free(tmp_ctx);
173 return -1;
174 }
175
176 for (i=0;i<count;i++) {
177 char *name;
178 if (strcmp(".", list[i].name_info.name.s) == 0 ||
179 strcmp("..", list[i].name_info.name.s) == 0) {
180 continue;
181 }
182 name = talloc_asprintf(tmp_ctx, "%s\\%s", dname, list[i].name_info.name.s);
183 status = smb2_util_unlink(tree, name);
184 if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
185 /* it could be read-only */
186 status = smb2_util_setatr(tree, name, FILE_ATTRIBUTE_NORMAL);
187 status = smb2_util_unlink(tree, name);
188 }
189
190 if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
191 int ret;
192 ret = smb2_deltree(tree, name);
193 if (ret > 0) total_deleted += ret;
194 }
195 talloc_free(name);
196 if (NT_STATUS_IS_OK(status)) {
197 total_deleted++;
198 did_delete = true;
199 }
200 }
201 } while (did_delete);
202
203 smb2_util_close(tree, create_parm.out.file.handle);
204
205 status = smb2_util_rmdir(tree, dname);
206 if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
207 /* it could be read-only */
208 status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
209 status = smb2_util_rmdir(tree, dname);
210 }
211
212 if (NT_STATUS_IS_ERR(status)) {
213 DEBUG(2,("Failed to delete %s - %s\n",
214 dname, nt_errstr(status)));
215 talloc_free(tmp_ctx);
216 return -1;
217 }
218
219 talloc_free(tmp_ctx);
220
221 return total_deleted;
222}
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