s3:smbd: allow info class SMB_QUERY_FS_VOLUME_INFO to return partial data
[nivanova/samba-autobuild/.git] / source3 / smbd / smb2_ioctl_filesys.c
1 /*
2    Unix SMB/CIFS implementation.
3    Core SMB2 server
4
5    Copyright (C) Stefan Metzmacher 2009
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 3 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "smbd/smbd.h"
23 #include "smbd/globals.h"
24 #include "../libcli/smb/smb_common.h"
25 #include "../lib/util/tevent_ntstatus.h"
26 #include "rpc_server/srv_pipe_hnd.h"
27 #include "include/ntioctl.h"
28 #include "smb2_ioctl_private.h"
29
30 struct tevent_req *smb2_ioctl_filesys(uint32_t ctl_code,
31                                       struct tevent_context *ev,
32                                       struct tevent_req *req,
33                                       struct smbd_smb2_ioctl_state *state)
34 {
35         switch (ctl_code) {
36         /* no filesystem device type ioctls are supported yet */
37         default: {
38                 NTSTATUS status;
39                 uint8_t *out_data = NULL;
40                 uint32_t out_data_len = 0;
41
42                 if (state->fsp == NULL) {
43                         status = NT_STATUS_NOT_SUPPORTED;
44                 } else {
45                         status = SMB_VFS_FSCTL(state->fsp,
46                                                state,
47                                                ctl_code,
48                                                state->smbreq->flags2,
49                                                state->in_input.data,
50                                                state->in_input.length,
51                                                &out_data,
52                                                state->in_max_output,
53                                                &out_data_len);
54                         state->out_output = data_blob_const(out_data, out_data_len);
55                         if (NT_STATUS_IS_OK(status)) {
56                                 tevent_req_done(req);
57                                 return tevent_req_post(req, ev);
58                         }
59                 }
60
61                 if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
62                         if (IS_IPC(state->smbreq->conn)) {
63                                 status = NT_STATUS_FS_DRIVER_REQUIRED;
64                         } else {
65                                 status = NT_STATUS_INVALID_DEVICE_REQUEST;
66                         }
67                 }
68
69                 tevent_req_nterror(req, status);
70                 return tevent_req_post(req, ev);
71                 break;
72         }
73         }
74
75         tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
76         return tevent_req_post(req, ev);
77 }