source: vendor/3.5.4/source3/smbd/smb2_setinfo.c

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

Samba 3.5.0: Initial import
File size: 9.1 KB
Line 
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/globals.h"
23#include "../libcli/smb/smb_common.h"
24
25static struct tevent_req *smbd_smb2_setinfo_send(TALLOC_CTX *mem_ctx,
26 struct tevent_context *ev,
27 struct smbd_smb2_request *smb2req,
28 uint8_t in_info_type,
29 uint8_t in_file_info_class,
30 DATA_BLOB in_input_buffer,
31 uint32_t in_additional_information,
32 uint64_t in_file_id_volatile);
33static NTSTATUS smbd_smb2_setinfo_recv(struct tevent_req *req);
34
35static void smbd_smb2_request_setinfo_done(struct tevent_req *subreq);
36NTSTATUS smbd_smb2_request_process_setinfo(struct smbd_smb2_request *req)
37{
38 const uint8_t *inhdr;
39 const uint8_t *inbody;
40 int i = req->current_idx;
41 size_t expected_body_size = 0x21;
42 size_t body_size;
43 uint8_t in_info_type;
44 uint8_t in_file_info_class;
45 uint16_t in_input_buffer_offset;
46 uint32_t in_input_buffer_length;
47 DATA_BLOB in_input_buffer;
48 uint32_t in_additional_information;
49 uint64_t in_file_id_persistent;
50 uint64_t in_file_id_volatile;
51 struct tevent_req *subreq;
52
53 inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
54 if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
55 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
56 }
57
58 inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
59
60 body_size = SVAL(inbody, 0x00);
61 if (body_size != expected_body_size) {
62 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
63 }
64
65 in_info_type = CVAL(inbody, 0x02);
66 in_file_info_class = CVAL(inbody, 0x03);
67 in_input_buffer_length = IVAL(inbody, 0x04);
68 in_input_buffer_offset = SVAL(inbody, 0x08);
69 /* 0x0A 2 bytes reserved */
70 in_additional_information = IVAL(inbody, 0x0C);
71 in_file_id_persistent = BVAL(inbody, 0x10);
72 in_file_id_volatile = BVAL(inbody, 0x18);
73
74 if (in_input_buffer_offset == 0 && in_input_buffer_length == 0) {
75 /* This is ok */
76 } else if (in_input_buffer_offset !=
77 (SMB2_HDR_BODY + (body_size & 0xFFFFFFFE))) {
78 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
79 }
80
81 if (in_input_buffer_length > req->in.vector[i+2].iov_len) {
82 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
83 }
84
85 in_input_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base;
86 in_input_buffer.length = in_input_buffer_length;
87
88 if (req->compat_chain_fsp) {
89 /* skip check */
90 } else if (in_file_id_persistent != 0) {
91 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
92 }
93
94 subreq = smbd_smb2_setinfo_send(req,
95 req->sconn->smb2.event_ctx,
96 req,
97 in_info_type,
98 in_file_info_class,
99 in_input_buffer,
100 in_additional_information,
101 in_file_id_volatile);
102 if (subreq == NULL) {
103 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
104 }
105 tevent_req_set_callback(subreq, smbd_smb2_request_setinfo_done, req);
106
107 return smbd_smb2_request_pending_queue(req, subreq);
108}
109
110static void smbd_smb2_request_setinfo_done(struct tevent_req *subreq)
111{
112 struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
113 struct smbd_smb2_request);
114 DATA_BLOB outbody;
115 NTSTATUS status;
116 NTSTATUS error; /* transport error */
117
118 status = smbd_smb2_setinfo_recv(subreq);
119 TALLOC_FREE(subreq);
120 if (!NT_STATUS_IS_OK(status)) {
121 error = smbd_smb2_request_error(req, status);
122 if (!NT_STATUS_IS_OK(error)) {
123 smbd_server_connection_terminate(req->sconn,
124 nt_errstr(error));
125 return;
126 }
127 return;
128 }
129
130 outbody = data_blob_talloc(req->out.vector, NULL, 0x02);
131 if (outbody.data == NULL) {
132 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
133 if (!NT_STATUS_IS_OK(error)) {
134 smbd_server_connection_terminate(req->sconn,
135 nt_errstr(error));
136 return;
137 }
138 return;
139 }
140
141 SSVAL(outbody.data, 0x00, 0x02); /* struct size */
142
143 error = smbd_smb2_request_done(req, outbody, NULL);
144 if (!NT_STATUS_IS_OK(error)) {
145 smbd_server_connection_terminate(req->sconn,
146 nt_errstr(error));
147 return;
148 }
149}
150
151struct smbd_smb2_setinfo_state {
152 struct smbd_smb2_request *smb2req;
153};
154
155static struct tevent_req *smbd_smb2_setinfo_send(TALLOC_CTX *mem_ctx,
156 struct tevent_context *ev,
157 struct smbd_smb2_request *smb2req,
158 uint8_t in_info_type,
159 uint8_t in_file_info_class,
160 DATA_BLOB in_input_buffer,
161 uint32_t in_additional_information,
162 uint64_t in_file_id_volatile)
163{
164 struct tevent_req *req;
165 struct smbd_smb2_setinfo_state *state;
166 struct smb_request *smbreq;
167 connection_struct *conn = smb2req->tcon->compat_conn;
168 files_struct *fsp;
169
170 req = tevent_req_create(mem_ctx, &state,
171 struct smbd_smb2_setinfo_state);
172 if (req == NULL) {
173 return NULL;
174 }
175 state->smb2req = smb2req;
176
177 DEBUG(10,("smbd_smb2_setinfo_send: file_id[0x%016llX]\n",
178 (unsigned long long)in_file_id_volatile));
179
180 smbreq = smbd_smb2_fake_smb_request(smb2req);
181 if (tevent_req_nomem(smbreq, req)) {
182 return tevent_req_post(req, ev);
183 }
184
185 fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
186 if (fsp == NULL) {
187 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
188 return tevent_req_post(req, ev);
189 }
190 if (conn != fsp->conn) {
191 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
192 return tevent_req_post(req, ev);
193 }
194 if (smb2req->session->vuid != fsp->vuid) {
195 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
196 return tevent_req_post(req, ev);
197 }
198
199 if (IS_IPC(conn)) {
200 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
201 return tevent_req_post(req, ev);
202 }
203
204 switch (in_info_type) {
205 case 0x01:/* SMB2_SETINFO_FILE */
206 {
207 uint16_t file_info_level;
208 char *data;
209 int data_size;
210 int ret_size = 0;
211 NTSTATUS status;
212
213
214 file_info_level = in_file_info_class + 1000;
215 if (file_info_level == SMB_FILE_RENAME_INFORMATION) {
216 file_info_level = 0xFF00 + in_file_info_class;
217 }
218
219 if (fsp->is_directory || fsp->fh->fd == -1) {
220 /*
221 * This is actually a SETFILEINFO on a directory
222 * handle (returned from an NT SMB). NT5.0 seems
223 * to do this call. JRA.
224 */
225 if (INFO_LEVEL_IS_UNIX(file_info_level)) {
226 /* Always do lstat for UNIX calls. */
227 if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
228 DEBUG(3,("smbd_smb2_setinfo_send: "
229 "SMB_VFS_LSTAT of %s failed "
230 "(%s)\n", fsp_str_dbg(fsp),
231 strerror(errno)));
232 status = map_nt_error_from_unix(errno);
233 tevent_req_nterror(req, status);
234 return tevent_req_post(req, ev);
235 }
236 } else {
237 if (SMB_VFS_STAT(conn, fsp->fsp_name) != 0) {
238 DEBUG(3,("smbd_smb2_setinfo_send: "
239 "fileinfo of %s failed (%s)\n",
240 fsp_str_dbg(fsp),
241 strerror(errno)));
242 status = map_nt_error_from_unix(errno);
243 tevent_req_nterror(req, status);
244 return tevent_req_post(req, ev);
245 }
246 }
247 } else if (fsp->print_file) {
248 /*
249 * Doing a DELETE_ON_CLOSE should cancel a print job.
250 */
251 if ((file_info_level == SMB_SET_FILE_DISPOSITION_INFO)
252 && in_input_buffer.length >= 1
253 && CVAL(in_input_buffer.data,0)) {
254 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
255
256 DEBUG(3,("smbd_smb2_setinfo_send: "
257 "Cancelling print job (%s)\n",
258 fsp_str_dbg(fsp)));
259
260 tevent_req_done(req);
261 return tevent_req_post(req, ev);
262 } else {
263 tevent_req_nterror(req,
264 NT_STATUS_OBJECT_PATH_INVALID);
265 return tevent_req_post(req, ev);
266 }
267 } else {
268 /*
269 * Original code - this is an open file.
270 */
271
272 if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
273 DEBUG(3,("smbd_smb2_setinfo_send: fstat "
274 "of fnum %d failed (%s)\n", fsp->fnum,
275 strerror(errno)));
276 status = map_nt_error_from_unix(errno);
277 tevent_req_nterror(req, status);
278 return tevent_req_post(req, ev);
279 }
280 }
281
282 data = NULL;
283 data_size = in_input_buffer.length;
284 if (data_size > 0) {
285 data = (char *)SMB_MALLOC_ARRAY(char, data_size);
286 if (tevent_req_nomem(data, req)) {
287
288 }
289 memcpy(data, in_input_buffer.data, data_size);
290 }
291
292 status = smbd_do_setfilepathinfo(conn, smbreq, state,
293 file_info_level,
294 fsp,
295 fsp->fsp_name,
296 &data,
297 data_size,
298 &ret_size);
299 SAFE_FREE(data);
300 if (!NT_STATUS_IS_OK(status)) {
301 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
302 status = NT_STATUS_INVALID_INFO_CLASS;
303 }
304 tevent_req_nterror(req, status);
305 return tevent_req_post(req, ev);
306 }
307 break;
308 }
309
310 default:
311 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
312 return tevent_req_post(req, ev);
313 }
314
315 tevent_req_done(req);
316 return tevent_req_post(req, ev);
317}
318
319static NTSTATUS smbd_smb2_setinfo_recv(struct tevent_req *req)
320{
321 NTSTATUS status;
322
323 if (tevent_req_is_nterror(req, &status)) {
324 tevent_req_received(req);
325 return status;
326 }
327
328 tevent_req_received(req);
329 return NT_STATUS_OK;
330}
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