1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
Unix SMB/CIFS implementation.
SMB2 client utility functions
Copyright (C) Andrew Tridgell 2005
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 "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "libcli/smb_composite/smb_composite.h"
/*
simple close wrapper with SMB2
*/
NTSTATUS smb2_util_close(struct smb2_tree *tree, struct smb2_handle h)
{
struct smb2_close c;
ZERO_STRUCT(c);
c.in.file.handle = h;
return smb2_close(tree, &c);
}
/*
unlink a file with SMB2
*/
NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname)
{
union smb_unlink io;
ZERO_STRUCT(io);
io.unlink.in.pattern = fname;
return smb2_composite_unlink(tree, &io);
}
/*
rmdir with SMB2
*/
NTSTATUS smb2_util_rmdir(struct smb2_tree *tree, const char *dname)
{
struct smb_rmdir io;
ZERO_STRUCT(io);
io.in.path = dname;
return smb2_composite_rmdir(tree, &io);
}
/*
mkdir with SMB2
*/
NTSTATUS smb2_util_mkdir(struct smb2_tree *tree, const char *dname)
{
union smb_mkdir io;
ZERO_STRUCT(io);
io.mkdir.level = RAW_MKDIR_MKDIR;
io.mkdir.in.path = dname;
return smb2_composite_mkdir(tree, &io);
}
/*
set file attribute with SMB2
*/
NTSTATUS smb2_util_setatr(struct smb2_tree *tree, const char *name, uint32_t attrib)
{
union smb_setfileinfo io;
ZERO_STRUCT(io);
io.basic_info.level = RAW_SFILEINFO_BASIC_INFORMATION;
io.basic_info.in.file.path = name;
io.basic_info.in.attrib = attrib;
return smb2_composite_setpathinfo(tree, &io);
}
/*
recursively descend a tree deleting all files
returns the number of files deleted, or -1 on error
*/
int smb2_deltree(struct smb2_tree *tree, const char *dname)
{
NTSTATUS status;
uint32_t total_deleted = 0;
uint_t count, i;
union smb_search_data *list;
TALLOC_CTX *tmp_ctx = talloc_new(tree);
struct smb2_find f;
struct smb2_create create_parm;
bool did_delete;
/* it might be a file */
status = smb2_util_unlink(tree, dname);
if (NT_STATUS_IS_OK(status)) {
talloc_free(tmp_ctx);
return 1;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_FILE)) {
talloc_free(tmp_ctx);
return 0;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_unlink(tree, dname);
}
if (NT_STATUS_IS_OK(status)) {
talloc_free(tmp_ctx);
return 1;
}
ZERO_STRUCT(create_parm);
create_parm.in.desired_access = SEC_FILE_READ_DATA;
create_parm.in.share_access =
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
create_parm.in.create_disposition = NTCREATEX_DISP_OPEN;
create_parm.in.fname = dname;
status = smb2_create(tree, tmp_ctx, &create_parm);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to open %s - %s\n", dname, nt_errstr(status)));
talloc_free(tmp_ctx);
return -1;
}
do {
did_delete = false;
ZERO_STRUCT(f);
f.in.file.handle = create_parm.out.file.handle;
f.in.max_response_size = 0x10000;
f.in.level = SMB2_FIND_NAME_INFO;
f.in.pattern = "*";
status = smb2_find_level(tree, tmp_ctx, &f, &count, &list);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to list %s - %s\n",
dname, nt_errstr(status)));
smb2_util_close(tree, create_parm.out.file.handle);
talloc_free(tmp_ctx);
return -1;
}
for (i=0;i<count;i++) {
char *name;
if (strcmp(".", list[i].name_info.name.s) == 0 ||
strcmp("..", list[i].name_info.name.s) == 0) {
continue;
}
name = talloc_asprintf(tmp_ctx, "%s\\%s", dname, list[i].name_info.name.s);
status = smb2_util_unlink(tree, name);
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, name, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_unlink(tree, name);
}
if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
int ret;
ret = smb2_deltree(tree, name);
if (ret > 0) total_deleted += ret;
}
talloc_free(name);
if (NT_STATUS_IS_OK(status)) {
total_deleted++;
did_delete = true;
}
}
} while (did_delete);
smb2_util_close(tree, create_parm.out.file.handle);
status = smb2_util_rmdir(tree, dname);
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_rmdir(tree, dname);
}
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to delete %s - %s\n",
dname, nt_errstr(status)));
talloc_free(tmp_ctx);
return -1;
}
talloc_free(tmp_ctx);
return total_deleted;
}
|
