source: vendor/3.6.24/source4/libcli/raw/rawfsinfo.c

Last change on this file was 740, checked in by Silvan Scherrer, 13 years ago

Samba Server: update vendor to 3.6.0
File size: 10.9 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 RAW_QFS_* operations
5
6 Copyright (C) Andrew Tridgell 2003
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 "librpc/gen_ndr/ndr_misc.h"
26
27/****************************************************************************
28 Query FS Info - SMBdskattr call (async send)
29****************************************************************************/
30static struct smbcli_request *smb_raw_dskattr_send(struct smbcli_tree *tree,
31 union smb_fsinfo *fsinfo)
32{
33 struct smbcli_request *req;
34
35 req = smbcli_request_setup(tree, SMBdskattr, 0, 0);
36
37 if (!smbcli_request_send(req)) {
38 smbcli_request_destroy(req);
39 return NULL;
40 }
41
42 return req;
43}
44
45/****************************************************************************
46 Query FS Info - SMBdskattr call (async recv)
47****************************************************************************/
48static NTSTATUS smb_raw_dskattr_recv(struct smbcli_request *req,
49 union smb_fsinfo *fsinfo)
50{
51 if (!smbcli_request_receive(req) ||
52 smbcli_request_is_error(req)) {
53 goto failed;
54 }
55
56 SMBCLI_CHECK_WCT(req, 5);
57 fsinfo->dskattr.out.units_total = SVAL(req->in.vwv, VWV(0));
58 fsinfo->dskattr.out.blocks_per_unit = SVAL(req->in.vwv, VWV(1));
59 fsinfo->dskattr.out.block_size = SVAL(req->in.vwv, VWV(2));
60 fsinfo->dskattr.out.units_free = SVAL(req->in.vwv, VWV(3));
61
62failed:
63 return smbcli_request_destroy(req);
64}
65
66
67/****************************************************************************
68 RAW_QFS_ trans2 interface via blobs (async send)
69****************************************************************************/
70static struct smbcli_request *smb_raw_qfsinfo_send(struct smbcli_tree *tree,
71 TALLOC_CTX *mem_ctx,
72 uint16_t info_level)
73{
74 struct smb_trans2 tp;
75 uint16_t setup = TRANSACT2_QFSINFO;
76
77 tp.in.max_setup = 0;
78 tp.in.flags = 0;
79 tp.in.timeout = 0;
80 tp.in.setup_count = 1;
81 tp.in.max_param = 0;
82 tp.in.max_data = 0xFFFF;
83 tp.in.setup = &setup;
84 tp.in.data = data_blob(NULL, 0);
85 tp.in.timeout = 0;
86
87 tp.in.params = data_blob_talloc(mem_ctx, NULL, 2);
88 if (!tp.in.params.data) {
89 return NULL;
90 }
91 SSVAL(tp.in.params.data, 0, info_level);
92
93 return smb_raw_trans2_send(tree, &tp);
94}
95
96/****************************************************************************
97 RAW_QFS_ trans2 interface via blobs (async recv)
98****************************************************************************/
99static NTSTATUS smb_raw_qfsinfo_blob_recv(struct smbcli_request *req,
100 TALLOC_CTX *mem_ctx,
101 DATA_BLOB *blob)
102{
103 struct smb_trans2 tp;
104 NTSTATUS status;
105
106 status = smb_raw_trans2_recv(req, mem_ctx, &tp);
107
108 if (NT_STATUS_IS_OK(status)) {
109 (*blob) = tp.out.data;
110 }
111
112 return status;
113}
114
115
116/* local macros to make the code more readable */
117#define QFS_CHECK_MIN_SIZE(size) if (blob.length < (size)) { \
118 DEBUG(1,("Unexpected QFS reply size %d for level %u - expected min of %d\n", \
119 (int)blob.length, fsinfo->generic.level, (size))); \
120 status = NT_STATUS_INFO_LENGTH_MISMATCH; \
121 goto failed; \
122}
123#define QFS_CHECK_SIZE(size) if (blob.length != (size)) { \
124 DEBUG(1,("Unexpected QFS reply size %d for level %u - expected %d\n", \
125 (int)blob.length, fsinfo->generic.level, (size))); \
126 status = NT_STATUS_INFO_LENGTH_MISMATCH; \
127 goto failed; \
128}
129
130
131/****************************************************************************
132 Query FSInfo raw interface (async send)
133****************************************************************************/
134struct smbcli_request *smb_raw_fsinfo_send(struct smbcli_tree *tree,
135 TALLOC_CTX *mem_ctx,
136 union smb_fsinfo *fsinfo)
137{
138 uint16_t info_level;
139
140 /* handle the only non-trans2 call separately */
141 if (fsinfo->generic.level == RAW_QFS_DSKATTR) {
142 return smb_raw_dskattr_send(tree, fsinfo);
143 }
144 if (fsinfo->generic.level >= RAW_QFS_GENERIC) {
145 return NULL;
146 }
147
148 /* the headers map the trans2 levels direct to info levels */
149 info_level = (uint16_t)fsinfo->generic.level;
150
151 return smb_raw_qfsinfo_send(tree, mem_ctx, info_level);
152}
153
154/*
155 parse the fsinfo 'passthru' level replies
156*/
157NTSTATUS smb_raw_fsinfo_passthru_parse(DATA_BLOB blob, TALLOC_CTX *mem_ctx,
158 enum smb_fsinfo_level level,
159 union smb_fsinfo *fsinfo)
160{
161 NTSTATUS status = NT_STATUS_OK;
162 int i;
163
164 /* parse the results */
165 switch (level) {
166 case RAW_QFS_VOLUME_INFORMATION:
167 QFS_CHECK_MIN_SIZE(18);
168 fsinfo->volume_info.out.create_time = smbcli_pull_nttime(blob.data, 0);
169 fsinfo->volume_info.out.serial_number = IVAL(blob.data, 8);
170 smbcli_blob_pull_string(NULL, mem_ctx, &blob,
171 &fsinfo->volume_info.out.volume_name,
172 12, 18, STR_UNICODE);
173 break;
174
175 case RAW_QFS_SIZE_INFORMATION:
176 QFS_CHECK_SIZE(24);
177 fsinfo->size_info.out.total_alloc_units = BVAL(blob.data, 0);
178 fsinfo->size_info.out.avail_alloc_units = BVAL(blob.data, 8);
179 fsinfo->size_info.out.sectors_per_unit = IVAL(blob.data, 16);
180 fsinfo->size_info.out.bytes_per_sector = IVAL(blob.data, 20);
181 break;
182
183 case RAW_QFS_DEVICE_INFORMATION:
184 QFS_CHECK_SIZE(8);
185 fsinfo->device_info.out.device_type = IVAL(blob.data, 0);
186 fsinfo->device_info.out.characteristics = IVAL(blob.data, 4);
187 break;
188
189 case RAW_QFS_ATTRIBUTE_INFORMATION:
190 QFS_CHECK_MIN_SIZE(12);
191 fsinfo->attribute_info.out.fs_attr = IVAL(blob.data, 0);
192 fsinfo->attribute_info.out.max_file_component_length = IVAL(blob.data, 4);
193 smbcli_blob_pull_string(NULL, mem_ctx, &blob,
194 &fsinfo->attribute_info.out.fs_type,
195 8, 12, STR_UNICODE);
196 break;
197
198 case RAW_QFS_QUOTA_INFORMATION:
199 QFS_CHECK_SIZE(48);
200 fsinfo->quota_information.out.unknown[0] = BVAL(blob.data, 0);
201 fsinfo->quota_information.out.unknown[1] = BVAL(blob.data, 8);
202 fsinfo->quota_information.out.unknown[2] = BVAL(blob.data, 16);
203 fsinfo->quota_information.out.quota_soft = BVAL(blob.data, 24);
204 fsinfo->quota_information.out.quota_hard = BVAL(blob.data, 32);
205 fsinfo->quota_information.out.quota_flags = BVAL(blob.data, 40);
206 break;
207
208 case RAW_QFS_FULL_SIZE_INFORMATION:
209 QFS_CHECK_SIZE(32);
210 fsinfo->full_size_information.out.total_alloc_units = BVAL(blob.data, 0);
211 fsinfo->full_size_information.out.call_avail_alloc_units = BVAL(blob.data, 8);
212 fsinfo->full_size_information.out.actual_avail_alloc_units = BVAL(blob.data, 16);
213 fsinfo->full_size_information.out.sectors_per_unit = IVAL(blob.data, 24);
214 fsinfo->full_size_information.out.bytes_per_sector = IVAL(blob.data, 28);
215 break;
216
217 case RAW_QFS_OBJECTID_INFORMATION: {
218 DATA_BLOB b2 = data_blob_const(blob.data, MIN(16, blob.length));
219 QFS_CHECK_SIZE(64);
220 status = GUID_from_ndr_blob(&b2, &fsinfo->objectid_information.out.guid);
221 NT_STATUS_NOT_OK_RETURN(status);
222 for (i=0;i<6;i++) {
223 fsinfo->objectid_information.out.unknown[i] = BVAL(blob.data, 16 + i*8);
224 }
225 break;
226 }
227
228 default:
229 status = NT_STATUS_INVALID_INFO_CLASS;
230 }
231
232failed:
233 return status;
234}
235
236
237/****************************************************************************
238 Query FSInfo raw interface (async recv)
239****************************************************************************/
240NTSTATUS smb_raw_fsinfo_recv(struct smbcli_request *req,
241 TALLOC_CTX *mem_ctx,
242 union smb_fsinfo *fsinfo)
243{
244 DATA_BLOB blob;
245 NTSTATUS status;
246 struct smbcli_session *session = req?req->session:NULL;
247
248 if (fsinfo->generic.level == RAW_QFS_DSKATTR) {
249 return smb_raw_dskattr_recv(req, fsinfo);
250 }
251
252 status = smb_raw_qfsinfo_blob_recv(req, mem_ctx, &blob);
253 if (!NT_STATUS_IS_OK(status)) {
254 return status;
255 }
256
257 /* parse the results */
258 switch (fsinfo->generic.level) {
259 case RAW_QFS_GENERIC:
260 case RAW_QFS_DSKATTR:
261 /* handled above */
262 break;
263
264 case RAW_QFS_ALLOCATION:
265 QFS_CHECK_SIZE(18);
266 fsinfo->allocation.out.fs_id = IVAL(blob.data, 0);
267 fsinfo->allocation.out.sectors_per_unit = IVAL(blob.data, 4);
268 fsinfo->allocation.out.total_alloc_units = IVAL(blob.data, 8);
269 fsinfo->allocation.out.avail_alloc_units = IVAL(blob.data, 12);
270 fsinfo->allocation.out.bytes_per_sector = SVAL(blob.data, 16);
271 break;
272
273 case RAW_QFS_VOLUME:
274 QFS_CHECK_MIN_SIZE(5);
275 fsinfo->volume.out.serial_number = IVAL(blob.data, 0);
276 smbcli_blob_pull_string(session, mem_ctx, &blob,
277 &fsinfo->volume.out.volume_name,
278 4, 5, STR_LEN8BIT | STR_NOALIGN);
279 break;
280
281 case RAW_QFS_VOLUME_INFO:
282 case RAW_QFS_VOLUME_INFORMATION:
283 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
284 RAW_QFS_VOLUME_INFORMATION, fsinfo);
285
286 case RAW_QFS_SIZE_INFO:
287 case RAW_QFS_SIZE_INFORMATION:
288 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
289 RAW_QFS_SIZE_INFORMATION, fsinfo);
290
291 case RAW_QFS_DEVICE_INFO:
292 case RAW_QFS_DEVICE_INFORMATION:
293 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
294 RAW_QFS_DEVICE_INFORMATION, fsinfo);
295
296 case RAW_QFS_ATTRIBUTE_INFO:
297 case RAW_QFS_ATTRIBUTE_INFORMATION:
298 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
299 RAW_QFS_ATTRIBUTE_INFORMATION, fsinfo);
300
301 case RAW_QFS_UNIX_INFO:
302 QFS_CHECK_SIZE(12);
303 fsinfo->unix_info.out.major_version = SVAL(blob.data, 0);
304 fsinfo->unix_info.out.minor_version = SVAL(blob.data, 2);
305 fsinfo->unix_info.out.capability = SVAL(blob.data, 4);
306 break;
307
308 case RAW_QFS_QUOTA_INFORMATION:
309 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
310 RAW_QFS_QUOTA_INFORMATION, fsinfo);
311
312 case RAW_QFS_FULL_SIZE_INFORMATION:
313 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
314 RAW_QFS_FULL_SIZE_INFORMATION, fsinfo);
315
316 case RAW_QFS_OBJECTID_INFORMATION:
317 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
318 RAW_QFS_OBJECTID_INFORMATION, fsinfo);
319 }
320
321failed:
322 return status;
323}
324
325/****************************************************************************
326 Query FSInfo raw interface (sync interface)
327****************************************************************************/
328_PUBLIC_ NTSTATUS smb_raw_fsinfo(struct smbcli_tree *tree,
329 TALLOC_CTX *mem_ctx,
330 union smb_fsinfo *fsinfo)
331{
332 struct smbcli_request *req = smb_raw_fsinfo_send(tree, mem_ctx, fsinfo);
333 return smb_raw_fsinfo_recv(req, mem_ctx, fsinfo);
334}
Note: See TracBrowser for help on using the repository browser.