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
|
/*
Unix SMB/CIFS implementation.
client transaction calls
Copyright (C) Andrew Tridgell 1994-1998
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 "libsmb/libsmb.h"
#include "../lib/util/tevent_ntstatus.h"
#include "async_smb.h"
#include "../libcli/smb/smbXcli_base.h"
struct cli_trans_state {
struct cli_state *cli;
struct tevent_req *req;
struct cli_trans_state **ptr;
};
static int cli_trans_state_destructor(struct cli_trans_state *state)
{
talloc_set_destructor(state->ptr, NULL);
talloc_free(state->ptr);
return 0;
}
static int cli_trans_state_ptr_destructor(struct cli_trans_state **ptr)
{
struct cli_trans_state *state = *ptr;
void *parent = talloc_parent(state);
talloc_set_destructor(state, NULL);
talloc_reparent(state, parent, state->req);
talloc_free(state);
return 0;
}
struct tevent_req *cli_trans_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct cli_state *cli, uint8_t cmd,
const char *pipe_name, uint16_t fid, uint16_t function, int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data)
{
struct cli_trans_state *state;
uint8_t additional_flags = 0;
uint8_t clear_flags = 0;
uint16_t additional_flags2 = 0;
uint16_t clear_flags2 = 0;
state = talloc_zero(mem_ctx, struct cli_trans_state);
if (state == NULL) {
return NULL;
}
state->cli = cli;
state->ptr = talloc(state, struct cli_trans_state *);
if (state->ptr == NULL) {
talloc_free(state);
return NULL;
}
*state->ptr = state;
if (cli->case_sensitive) {
clear_flags |= FLAG_CASELESS_PATHNAMES;
} else {
/* Default setting, case insensitive. */
additional_flags |= FLAG_CASELESS_PATHNAMES;
}
if ((smb1cli_conn_capabilities(cli->conn) & CAP_DFS) && cli->dfsroot) {
additional_flags2 |= FLAGS2_DFS_PATHNAMES;
}
state->req = smb1cli_trans_send(state, ev,
cli->conn, cmd,
additional_flags, clear_flags,
additional_flags2, clear_flags2,
cli->timeout,
cli->smb1.pid,
cli->smb1.tcon,
cli->smb1.session,
pipe_name, fid, function, flags,
setup, num_setup, max_setup,
param, num_param, max_param,
data, num_data, max_data);
if (state->req == NULL) {
talloc_free(state);
return NULL;
}
talloc_reparent(state, state->req, state->ptr);
talloc_set_destructor(state, cli_trans_state_destructor);
talloc_set_destructor(state->ptr, cli_trans_state_ptr_destructor);
return state->req;
}
NTSTATUS cli_trans_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx,
uint16_t *recv_flags2,
uint16_t **setup, uint8_t min_setup,
uint8_t *num_setup,
uint8_t **param, uint32_t min_param,
uint32_t *num_param,
uint8_t **data, uint32_t min_data,
uint32_t *num_data)
{
NTSTATUS status;
void *parent = talloc_parent(req);
struct cli_trans_state *state =
talloc_get_type(parent,
struct cli_trans_state);
bool map_dos_errors = true;
status = smb1cli_trans_recv(req, mem_ctx, recv_flags2,
setup, min_setup, num_setup,
param, min_param, num_param,
data, min_data, num_data);
if (state) {
map_dos_errors = state->cli->map_dos_errors;
state->cli->raw_status = status;
talloc_free(state->ptr);
state = NULL;
}
if (NT_STATUS_IS_DOS(status) && map_dos_errors) {
uint8_t eclass = NT_STATUS_DOS_CLASS(status);
uint16_t ecode = NT_STATUS_DOS_CODE(status);
/*
* TODO: is it really a good idea to do a mapping here?
*
* The old cli_pull_error() also does it, so I do not change
* the behavior yet.
*/
status = dos_to_ntstatus(eclass, ecode);
}
return status;
}
NTSTATUS cli_trans(TALLOC_CTX *mem_ctx, struct cli_state *cli,
uint8_t trans_cmd,
const char *pipe_name, uint16_t fid, uint16_t function,
int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data,
uint16_t *recv_flags2,
uint16_t **rsetup, uint8_t min_rsetup, uint8_t *num_rsetup,
uint8_t **rparam, uint32_t min_rparam, uint32_t *num_rparam,
uint8_t **rdata, uint32_t min_rdata, uint32_t *num_rdata)
{
NTSTATUS status;
uint8_t additional_flags = 0;
uint8_t clear_flags = 0;
uint16_t additional_flags2 = 0;
uint16_t clear_flags2 = 0;
if (cli->case_sensitive) {
clear_flags |= FLAG_CASELESS_PATHNAMES;
} else {
/* Default setting, case insensitive. */
additional_flags |= FLAG_CASELESS_PATHNAMES;
}
if ((smb1cli_conn_capabilities(cli->conn) & CAP_DFS) && cli->dfsroot) {
additional_flags2 |= FLAGS2_DFS_PATHNAMES;
}
status = smb1cli_trans(mem_ctx,
cli->conn, trans_cmd,
additional_flags, clear_flags,
additional_flags2, clear_flags2,
cli->timeout,
cli->smb1.pid,
cli->smb1.tcon,
cli->smb1.session,
pipe_name, fid, function, flags,
setup, num_setup, max_setup,
param, num_param, max_param,
data, num_data, max_data,
recv_flags2,
rsetup, min_rsetup, num_rsetup,
rparam, min_rparam, num_rparam,
rdata, min_rdata, num_rdata);
cli->raw_status = status;
if (NT_STATUS_IS_DOS(status) && cli->map_dos_errors) {
uint8_t eclass = NT_STATUS_DOS_CLASS(status);
uint16_t ecode = NT_STATUS_DOS_CODE(status);
/*
* TODO: is it really a good idea to do a mapping here?
*
* The old cli_pull_error() also does it, so I do not change
* the behavior yet.
*/
status = dos_to_ntstatus(eclass, ecode);
}
return status;
}
|
