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dnsp: Parse TXT records
[Samba/gebeck_regimport.git] / source3 / smbd / smb2_setinfo.c
blob4b837c13b32489a932da2b0656db3d281747e4ec
1 /*
2 Unix SMB/CIFS implementation.
3 Core SMB2 server
4
5 Copyright (C) Stefan Metzmacher 2009
6 Copyright (C) Jeremy Allison 2010
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 "smbd/globals.h"
24 #include "../libcli/smb/smb_common.h"
25
26 static struct tevent_req *smbd_smb2_setinfo_send(TALLOC_CTX *mem_ctx,
27 struct tevent_context *ev,
28 struct smbd_smb2_request *smb2req,
29 uint8_t in_info_type,
30 uint8_t in_file_info_class,
31 DATA_BLOB in_input_buffer,
32 uint32_t in_additional_information,
33 uint64_t in_file_id_volatile);
34 static NTSTATUS smbd_smb2_setinfo_recv(struct tevent_req *req);
35
36 static void smbd_smb2_request_setinfo_done(struct tevent_req *subreq);
37 NTSTATUS smbd_smb2_request_process_setinfo(struct smbd_smb2_request *req)
38 {
39 const uint8_t *inhdr;
40 const uint8_t *inbody;
41 int i = req->current_idx;
42 size_t expected_body_size = 0x21;
43 size_t body_size;
44 uint8_t in_info_type;
45 uint8_t in_file_info_class;
46 uint16_t in_input_buffer_offset;
47 uint32_t in_input_buffer_length;
48 DATA_BLOB in_input_buffer;
49 uint32_t in_additional_information;
50 uint64_t in_file_id_persistent;
51 uint64_t in_file_id_volatile;
52 struct tevent_req *subreq;
53
54 inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
55 if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
56 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
57 }
58
59 inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
60
61 body_size = SVAL(inbody, 0x00);
62 if (body_size != expected_body_size) {
63 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
64 }
65
66 in_info_type = CVAL(inbody, 0x02);
67 in_file_info_class = CVAL(inbody, 0x03);
68 in_input_buffer_length = IVAL(inbody, 0x04);
69 in_input_buffer_offset = SVAL(inbody, 0x08);
70 /* 0x0A 2 bytes reserved */
71 in_additional_information = IVAL(inbody, 0x0C);
72 in_file_id_persistent = BVAL(inbody, 0x10);
73 in_file_id_volatile = BVAL(inbody, 0x18);
74
75 if (in_input_buffer_offset == 0 && in_input_buffer_length == 0) {
76 /* This is ok */
77 } else if (in_input_buffer_offset !=
78 (SMB2_HDR_BODY + (body_size & 0xFFFFFFFE))) {
79 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
80 }
81
82 if (in_input_buffer_length > req->in.vector[i+2].iov_len) {
83 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
84 }
85
86 in_input_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base;
87 in_input_buffer.length = in_input_buffer_length;
88
89 if (req->compat_chain_fsp) {
90 /* skip check */
91 } else if (in_file_id_persistent != in_file_id_volatile) {
92 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
93 }
94
95 subreq = smbd_smb2_setinfo_send(req,
96 req->sconn->smb2.event_ctx,
97 req,
98 in_info_type,
99 in_file_info_class,
100 in_input_buffer,
101 in_additional_information,
102 in_file_id_volatile);
103 if (subreq == NULL) {
104 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
105 }
106 tevent_req_set_callback(subreq, smbd_smb2_request_setinfo_done, req);
107
108 return smbd_smb2_request_pending_queue(req, subreq);
109 }
110
111 static void smbd_smb2_request_setinfo_done(struct tevent_req *subreq)
112 {
113 struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
114 struct smbd_smb2_request);
115 DATA_BLOB outbody;
116 NTSTATUS status;
117 NTSTATUS error; /* transport error */
118
119 status = smbd_smb2_setinfo_recv(subreq);
120 TALLOC_FREE(subreq);
121 if (!NT_STATUS_IS_OK(status)) {
122 error = smbd_smb2_request_error(req, status);
123 if (!NT_STATUS_IS_OK(error)) {
124 smbd_server_connection_terminate(req->sconn,
125 nt_errstr(error));
126 return;
127 }
128 return;
129 }
130
131 outbody = data_blob_talloc(req->out.vector, NULL, 0x02);
132 if (outbody.data == NULL) {
133 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
134 if (!NT_STATUS_IS_OK(error)) {
135 smbd_server_connection_terminate(req->sconn,
136 nt_errstr(error));
137 return;
138 }
139 return;
140 }
141
142 SSVAL(outbody.data, 0x00, 0x02); /* struct size */
143
144 error = smbd_smb2_request_done(req, outbody, NULL);
145 if (!NT_STATUS_IS_OK(error)) {
146 smbd_server_connection_terminate(req->sconn,
147 nt_errstr(error));
148 return;
149 }
150 }
151
152 struct smbd_smb2_setinfo_state {
153 struct smbd_smb2_request *smb2req;
154 };
155
156 static struct tevent_req *smbd_smb2_setinfo_send(TALLOC_CTX *mem_ctx,
157 struct tevent_context *ev,
158 struct smbd_smb2_request *smb2req,
159 uint8_t in_info_type,
160 uint8_t in_file_info_class,
161 DATA_BLOB in_input_buffer,
162 uint32_t in_additional_information,
163 uint64_t in_file_id_volatile)
164 {
165 struct tevent_req *req = NULL;
166 struct smbd_smb2_setinfo_state *state = NULL;
167 struct smb_request *smbreq = NULL;
168 connection_struct *conn = smb2req->tcon->compat_conn;
169 files_struct *fsp = NULL;
170 NTSTATUS status;
171
172 req = tevent_req_create(mem_ctx, &state,
173 struct smbd_smb2_setinfo_state);
174 if (req == NULL) {
175 return NULL;
176 }
177 state->smb2req = smb2req;
178
179 DEBUG(10,("smbd_smb2_setinfo_send: file_id[0x%016llX]\n",
180 (unsigned long long)in_file_id_volatile));
181
182 smbreq = smbd_smb2_fake_smb_request(smb2req);
183 if (tevent_req_nomem(smbreq, req)) {
184 return tevent_req_post(req, ev);
185 }
186
187 fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
188 if (fsp == NULL) {
189 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
190 return tevent_req_post(req, ev);
191 }
192 if (conn != fsp->conn) {
193 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
194 return tevent_req_post(req, ev);
195 }
196 if (smb2req->session->vuid != fsp->vuid) {
197 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
198 return tevent_req_post(req, ev);
199 }
200
201 if (IS_IPC(conn)) {
202 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
203 return tevent_req_post(req, ev);
204 }
205
206 switch (in_info_type) {
207 case 0x01:/* SMB2_SETINFO_FILE */
208 {
209 uint16_t file_info_level;
210 char *data;
211 int data_size;
212 int ret_size = 0;
213
214
215 file_info_level = in_file_info_class + 1000;
216 if (file_info_level == SMB_FILE_RENAME_INFORMATION) {
217 /* SMB2_FILE_RENAME_INFORMATION_INTERNAL == 0xFF00 + in_file_info_class */
218 file_info_level = SMB2_FILE_RENAME_INFORMATION_INTERNAL;
219 }
220
221 if (fsp->is_directory || fsp->fh->fd == -1) {
222 /*
223 * This is actually a SETFILEINFO on a directory
224 * handle (returned from an NT SMB). NT5.0 seems
225 * to do this call. JRA.
226 */
227 if (INFO_LEVEL_IS_UNIX(file_info_level)) {
228 /* Always do lstat for UNIX calls. */
229 if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
230 DEBUG(3,("smbd_smb2_setinfo_send: "
231 "SMB_VFS_LSTAT of %s failed "
232 "(%s)\n", fsp_str_dbg(fsp),
233 strerror(errno)));
234 status = map_nt_error_from_unix(errno);
235 tevent_req_nterror(req, status);
236 return tevent_req_post(req, ev);
237 }
238 } else {
239 if (SMB_VFS_STAT(conn, fsp->fsp_name) != 0) {
240 DEBUG(3,("smbd_smb2_setinfo_send: "
241 "fileinfo of %s failed (%s)\n",
242 fsp_str_dbg(fsp),
243 strerror(errno)));
244 status = map_nt_error_from_unix(errno);
245 tevent_req_nterror(req, status);
246 return tevent_req_post(req, ev);
247 }
248 }
249 } else if (fsp->print_file) {
250 /*
251 * Doing a DELETE_ON_CLOSE should cancel a print job.
252 */
253 if ((file_info_level == SMB_SET_FILE_DISPOSITION_INFO)
254 && in_input_buffer.length >= 1
255 && CVAL(in_input_buffer.data,0)) {
256 fsp->fh->private_options |= NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE;
257
258 DEBUG(3,("smbd_smb2_setinfo_send: "
259 "Cancelling print job (%s)\n",
260 fsp_str_dbg(fsp)));
261
262 tevent_req_done(req);
263 return tevent_req_post(req, ev);
264 } else {
265 tevent_req_nterror(req,
266 NT_STATUS_OBJECT_PATH_INVALID);
267 return tevent_req_post(req, ev);
268 }
269 } else {
270 /*
271 * Original code - this is an open file.
272 */
273
274 if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
275 DEBUG(3,("smbd_smb2_setinfo_send: fstat "
276 "of fnum %d failed (%s)\n", fsp->fnum,
277 strerror(errno)));
278 status = map_nt_error_from_unix(errno);
279 tevent_req_nterror(req, status);
280 return tevent_req_post(req, ev);
281 }
282 }
283
284 data = NULL;
285 data_size = in_input_buffer.length;
286 if (data_size > 0) {
287 data = (char *)SMB_MALLOC_ARRAY(char, data_size);
288 if (tevent_req_nomem(data, req)) {
289 return tevent_req_post(req, ev);
290 }
291 memcpy(data, in_input_buffer.data, data_size);
292 }
293
294 status = smbd_do_setfilepathinfo(conn, smbreq, state,
295 file_info_level,
296 fsp,
297 fsp->fsp_name,
298 &data,
299 data_size,
300 &ret_size);
301 SAFE_FREE(data);
302 if (!NT_STATUS_IS_OK(status)) {
303 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
304 status = NT_STATUS_INVALID_INFO_CLASS;
305 }
306 tevent_req_nterror(req, status);
307 return tevent_req_post(req, ev);
308 }
309 break;
310 }
311
312 case 0x03:/* SMB2_SETINFO_SECURITY */
313 {
314 if (!CAN_WRITE(conn)) {
315 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
316 return tevent_req_post(req, ev);
317 }
318
319 status = set_sd(fsp,
320 in_input_buffer.data,
321 in_input_buffer.length,
322 in_additional_information);
323 if (!NT_STATUS_IS_OK(status)) {
324 tevent_req_nterror(req, status);
325 return tevent_req_post(req, ev);
326 }
327 break;
328 }
329
330 default:
331 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
332 return tevent_req_post(req, ev);
333 }
334
335 tevent_req_done(req);
336 return tevent_req_post(req, ev);
337 }
338
339 static NTSTATUS smbd_smb2_setinfo_recv(struct tevent_req *req)
340 {
341 NTSTATUS status;
342
343 if (tevent_req_is_nterror(req, &status)) {
344 tevent_req_received(req);
345 return status;
346 }
347
348 tevent_req_received(req);
349 return NT_STATUS_OK;
350 }
reg import