source: vendor/3.5.7/source4/libcli/raw/rawfsinfo.c

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

Samba 3.5.0: Initial import
File size: 10.7 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 enum ndr_err_code ndr_err;
163 int i;
164
165 /* parse the results */
166 switch (level) {
167 case RAW_QFS_VOLUME_INFORMATION:
168 QFS_CHECK_MIN_SIZE(18);
169 fsinfo->volume_info.out.create_time = smbcli_pull_nttime(blob.data, 0);
170 fsinfo->volume_info.out.serial_number = IVAL(blob.data, 8);
171 smbcli_blob_pull_string(NULL, mem_ctx, &blob,
172 &fsinfo->volume_info.out.volume_name,
173 12, 18, STR_UNICODE);
174 break;
175
176 case RAW_QFS_SIZE_INFORMATION:
177 QFS_CHECK_SIZE(24);
178 fsinfo->size_info.out.total_alloc_units = BVAL(blob.data, 0);
179 fsinfo->size_info.out.avail_alloc_units = BVAL(blob.data, 8);
180 fsinfo->size_info.out.sectors_per_unit = IVAL(blob.data, 16);
181 fsinfo->size_info.out.bytes_per_sector = IVAL(blob.data, 20);
182 break;
183
184 case RAW_QFS_DEVICE_INFORMATION:
185 QFS_CHECK_SIZE(8);
186 fsinfo->device_info.out.device_type = IVAL(blob.data, 0);
187 fsinfo->device_info.out.characteristics = IVAL(blob.data, 4);
188 break;
189
190 case RAW_QFS_ATTRIBUTE_INFORMATION:
191 QFS_CHECK_MIN_SIZE(12);
192 fsinfo->attribute_info.out.fs_attr = IVAL(blob.data, 0);
193 fsinfo->attribute_info.out.max_file_component_length = IVAL(blob.data, 4);
194 smbcli_blob_pull_string(NULL, mem_ctx, &blob,
195 &fsinfo->attribute_info.out.fs_type,
196 8, 12, STR_UNICODE);
197 break;
198
199 case RAW_QFS_QUOTA_INFORMATION:
200 QFS_CHECK_SIZE(48);
201 fsinfo->quota_information.out.unknown[0] = BVAL(blob.data, 0);
202 fsinfo->quota_information.out.unknown[1] = BVAL(blob.data, 8);
203 fsinfo->quota_information.out.unknown[2] = BVAL(blob.data, 16);
204 fsinfo->quota_information.out.quota_soft = BVAL(blob.data, 24);
205 fsinfo->quota_information.out.quota_hard = BVAL(blob.data, 32);
206 fsinfo->quota_information.out.quota_flags = BVAL(blob.data, 40);
207 break;
208
209 case RAW_QFS_FULL_SIZE_INFORMATION:
210 QFS_CHECK_SIZE(32);
211 fsinfo->full_size_information.out.total_alloc_units = BVAL(blob.data, 0);
212 fsinfo->full_size_information.out.call_avail_alloc_units = BVAL(blob.data, 8);
213 fsinfo->full_size_information.out.actual_avail_alloc_units = BVAL(blob.data, 16);
214 fsinfo->full_size_information.out.sectors_per_unit = IVAL(blob.data, 24);
215 fsinfo->full_size_information.out.bytes_per_sector = IVAL(blob.data, 28);
216 break;
217
218 case RAW_QFS_OBJECTID_INFORMATION:
219 QFS_CHECK_SIZE(64);
220 ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, NULL, &fsinfo->objectid_information.out.guid,
221 (ndr_pull_flags_fn_t)ndr_pull_GUID);
222 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
223 status = ndr_map_error2ntstatus(ndr_err);
224 }
225 for (i=0;i<6;i++) {
226 fsinfo->objectid_information.out.unknown[i] = BVAL(blob.data, 16 + i*8);
227 }
228 break;
229
230 default:
231 status = NT_STATUS_INVALID_INFO_CLASS;
232 }
233
234failed:
235 return status;
236}
237
238
239/****************************************************************************
240 Query FSInfo raw interface (async recv)
241****************************************************************************/
242NTSTATUS smb_raw_fsinfo_recv(struct smbcli_request *req,
243 TALLOC_CTX *mem_ctx,
244 union smb_fsinfo *fsinfo)
245{
246 DATA_BLOB blob;
247 NTSTATUS status;
248 struct smbcli_session *session = req?req->session:NULL;
249
250 if (fsinfo->generic.level == RAW_QFS_DSKATTR) {
251 return smb_raw_dskattr_recv(req, fsinfo);
252 }
253
254 status = smb_raw_qfsinfo_blob_recv(req, mem_ctx, &blob);
255 if (!NT_STATUS_IS_OK(status)) {
256 return status;
257 }
258
259 /* parse the results */
260 switch (fsinfo->generic.level) {
261 case RAW_QFS_GENERIC:
262 case RAW_QFS_DSKATTR:
263 /* handled above */
264 break;
265
266 case RAW_QFS_ALLOCATION:
267 QFS_CHECK_SIZE(18);
268 fsinfo->allocation.out.fs_id = IVAL(blob.data, 0);
269 fsinfo->allocation.out.sectors_per_unit = IVAL(blob.data, 4);
270 fsinfo->allocation.out.total_alloc_units = IVAL(blob.data, 8);
271 fsinfo->allocation.out.avail_alloc_units = IVAL(blob.data, 12);
272 fsinfo->allocation.out.bytes_per_sector = SVAL(blob.data, 16);
273 break;
274
275 case RAW_QFS_VOLUME:
276 QFS_CHECK_MIN_SIZE(5);
277 fsinfo->volume.out.serial_number = IVAL(blob.data, 0);
278 smbcli_blob_pull_string(session, mem_ctx, &blob,
279 &fsinfo->volume.out.volume_name,
280 4, 5, STR_LEN8BIT | STR_NOALIGN);
281 break;
282
283 case RAW_QFS_VOLUME_INFO:
284 case RAW_QFS_VOLUME_INFORMATION:
285 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
286 RAW_QFS_VOLUME_INFORMATION, fsinfo);
287
288 case RAW_QFS_SIZE_INFO:
289 case RAW_QFS_SIZE_INFORMATION:
290 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
291 RAW_QFS_SIZE_INFORMATION, fsinfo);
292
293 case RAW_QFS_DEVICE_INFO:
294 case RAW_QFS_DEVICE_INFORMATION:
295 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
296 RAW_QFS_DEVICE_INFORMATION, fsinfo);
297
298 case RAW_QFS_ATTRIBUTE_INFO:
299 case RAW_QFS_ATTRIBUTE_INFORMATION:
300 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
301 RAW_QFS_ATTRIBUTE_INFORMATION, fsinfo);
302
303 case RAW_QFS_UNIX_INFO:
304 QFS_CHECK_SIZE(12);
305 fsinfo->unix_info.out.major_version = SVAL(blob.data, 0);
306 fsinfo->unix_info.out.minor_version = SVAL(blob.data, 2);
307 fsinfo->unix_info.out.capability = SVAL(blob.data, 4);
308 break;
309
310 case RAW_QFS_QUOTA_INFORMATION:
311 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
312 RAW_QFS_QUOTA_INFORMATION, fsinfo);
313
314 case RAW_QFS_FULL_SIZE_INFORMATION:
315 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
316 RAW_QFS_FULL_SIZE_INFORMATION, fsinfo);
317
318 case RAW_QFS_OBJECTID_INFORMATION:
319 return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
320 RAW_QFS_OBJECTID_INFORMATION, fsinfo);
321 }
322
323failed:
324 return status;
325}
326
327/****************************************************************************
328 Query FSInfo raw interface (sync interface)
329****************************************************************************/
330_PUBLIC_ NTSTATUS smb_raw_fsinfo(struct smbcli_tree *tree,
331 TALLOC_CTX *mem_ctx,
332 union smb_fsinfo *fsinfo)
333{
334 struct smbcli_request *req = smb_raw_fsinfo_send(tree, mem_ctx, fsinfo);
335 return smb_raw_fsinfo_recv(req, mem_ctx, fsinfo);
336}
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