WHATSNEW: mention initial support for SMB3
[Samba/gebeck_regimport.git] / source3 / smbd / smb2_getinfo.c
blobefd65a9daa9a2a233343bf3147bc488c3f1756ba
1 /*
2 Unix SMB/CIFS implementation.
3 Core SMB2 server
5 Copyright (C) Stefan Metzmacher 2009
6 Copyright (C) Jeremy Allison 2010
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.
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.
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/>.
22 #include "includes.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "../libcli/smb/smb_common.h"
26 #include "trans2.h"
27 #include "../lib/util/tevent_ntstatus.h"
29 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
30 struct tevent_context *ev,
31 struct smbd_smb2_request *smb2req,
32 struct files_struct *in_fsp,
33 uint8_t in_info_type,
34 uint8_t in_file_info_class,
35 uint32_t in_output_buffer_length,
36 DATA_BLOB in_input_buffer,
37 uint32_t in_additional_information,
38 uint32_t in_flags);
39 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
40 TALLOC_CTX *mem_ctx,
41 DATA_BLOB *out_output_buffer,
42 NTSTATUS *p_call_status);
44 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq);
45 NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req)
47 NTSTATUS status;
48 const uint8_t *inbody;
49 int i = req->current_idx;
50 uint8_t in_info_type;
51 uint8_t in_file_info_class;
52 uint32_t in_output_buffer_length;
53 uint16_t in_input_buffer_offset;
54 uint32_t in_input_buffer_length;
55 DATA_BLOB in_input_buffer;
56 uint32_t in_additional_information;
57 uint32_t in_flags;
58 uint64_t in_file_id_persistent;
59 uint64_t in_file_id_volatile;
60 struct files_struct *in_fsp;
61 struct tevent_req *subreq;
63 status = smbd_smb2_request_verify_sizes(req, 0x29);
64 if (!NT_STATUS_IS_OK(status)) {
65 return smbd_smb2_request_error(req, status);
67 inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
69 in_info_type = CVAL(inbody, 0x02);
70 in_file_info_class = CVAL(inbody, 0x03);
71 in_output_buffer_length = IVAL(inbody, 0x04);
72 in_input_buffer_offset = SVAL(inbody, 0x08);
73 /* 0x0A 2 bytes reserved */
74 in_input_buffer_length = IVAL(inbody, 0x0C);
75 in_additional_information = IVAL(inbody, 0x10);
76 in_flags = IVAL(inbody, 0x14);
77 in_file_id_persistent = BVAL(inbody, 0x18);
78 in_file_id_volatile = BVAL(inbody, 0x20);
80 if (in_input_buffer_offset == 0 && in_input_buffer_length == 0) {
81 /* This is ok */
82 } else if (in_input_buffer_offset !=
83 (SMB2_HDR_BODY + req->in.vector[i+1].iov_len)) {
84 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
87 if (in_input_buffer_length > req->in.vector[i+2].iov_len) {
88 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
91 in_input_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base;
92 in_input_buffer.length = in_input_buffer_length;
94 if (in_input_buffer.length > req->sconn->smb2.max_trans) {
95 DEBUG(2,("smbd_smb2_request_process_getinfo: "
96 "client ignored max trans: %s: 0x%08X: 0x%08X\n",
97 __location__, (unsigned)in_input_buffer.length,
98 (unsigned)req->sconn->smb2.max_trans));
99 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
101 if (in_output_buffer_length > req->sconn->smb2.max_trans) {
102 DEBUG(2,("smbd_smb2_request_process_getinfo: "
103 "client ignored max trans: %s: 0x%08X: 0x%08X\n",
104 __location__, in_output_buffer_length,
105 req->sconn->smb2.max_trans));
106 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
109 status = smbd_smb2_request_verify_creditcharge(req,
110 MAX(in_input_buffer.length,in_output_buffer_length));
111 if (!NT_STATUS_IS_OK(status)) {
112 return smbd_smb2_request_error(req, status);
115 in_fsp = file_fsp_smb2(req, in_file_id_persistent, in_file_id_volatile);
116 if (in_fsp == NULL) {
117 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
120 subreq = smbd_smb2_getinfo_send(req, req->sconn->ev_ctx,
121 req, in_fsp,
122 in_info_type,
123 in_file_info_class,
124 in_output_buffer_length,
125 in_input_buffer,
126 in_additional_information,
127 in_flags);
128 if (subreq == NULL) {
129 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
131 tevent_req_set_callback(subreq, smbd_smb2_request_getinfo_done, req);
133 return smbd_smb2_request_pending_queue(req, subreq, 500);
136 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq)
138 struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
139 struct smbd_smb2_request);
140 DATA_BLOB outbody;
141 DATA_BLOB outdyn;
142 uint16_t out_output_buffer_offset;
143 DATA_BLOB out_output_buffer = data_blob_null;
144 NTSTATUS status;
145 NTSTATUS call_status = NT_STATUS_OK;
146 NTSTATUS error; /* transport error */
148 status = smbd_smb2_getinfo_recv(subreq,
149 req,
150 &out_output_buffer,
151 &call_status);
152 TALLOC_FREE(subreq);
153 if (!NT_STATUS_IS_OK(status)) {
154 error = smbd_smb2_request_error(req, status);
155 if (!NT_STATUS_IS_OK(error)) {
156 smbd_server_connection_terminate(req->sconn,
157 nt_errstr(error));
158 return;
160 return;
163 if (!NT_STATUS_IS_OK(call_status)) {
164 /* Return a specific error with data. */
165 error = smbd_smb2_request_error_ex(req,
166 call_status,
167 &out_output_buffer,
168 __location__);
169 if (!NT_STATUS_IS_OK(error)) {
170 smbd_server_connection_terminate(req->sconn,
171 nt_errstr(error));
172 return;
174 return;
177 out_output_buffer_offset = SMB2_HDR_BODY + 0x08;
179 outbody = data_blob_talloc(req->out.vector, NULL, 0x08);
180 if (outbody.data == NULL) {
181 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
182 if (!NT_STATUS_IS_OK(error)) {
183 smbd_server_connection_terminate(req->sconn,
184 nt_errstr(error));
185 return;
187 return;
190 SSVAL(outbody.data, 0x00, 0x08 + 1); /* struct size */
191 SSVAL(outbody.data, 0x02,
192 out_output_buffer_offset); /* output buffer offset */
193 SIVAL(outbody.data, 0x04,
194 out_output_buffer.length); /* output buffer length */
196 outdyn = out_output_buffer;
198 error = smbd_smb2_request_done(req, outbody, &outdyn);
199 if (!NT_STATUS_IS_OK(error)) {
200 smbd_server_connection_terminate(req->sconn,
201 nt_errstr(error));
202 return;
206 struct smbd_smb2_getinfo_state {
207 struct smbd_smb2_request *smb2req;
208 NTSTATUS status;
209 DATA_BLOB out_output_buffer;
212 static void smb2_ipc_getinfo(struct tevent_req *req,
213 struct smbd_smb2_getinfo_state *state,
214 struct tevent_context *ev,
215 uint8_t in_info_type,
216 uint8_t in_file_info_class)
218 /* We want to reply to SMB2_GETINFO_FILE
219 with a class of SMB2_FILE_STANDARD_INFO as
220 otherwise a Win7 client issues this request
221 twice (2xroundtrips) if we return NOT_SUPPORTED.
222 NB. We do the same for SMB1 in call_trans2qpipeinfo() */
224 if (in_info_type == 0x01 && /* SMB2_GETINFO_FILE */
225 in_file_info_class == 0x05) { /* SMB2_FILE_STANDARD_INFO */
226 state->out_output_buffer = data_blob_talloc(state,
227 NULL, 24);
228 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
229 return;
232 memset(state->out_output_buffer.data,0,24);
233 SOFF_T(state->out_output_buffer.data,0,4096LL);
234 SIVAL(state->out_output_buffer.data,16,1);
235 SIVAL(state->out_output_buffer.data,20,1);
236 tevent_req_done(req);
237 } else {
238 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
242 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
243 struct tevent_context *ev,
244 struct smbd_smb2_request *smb2req,
245 struct files_struct *fsp,
246 uint8_t in_info_type,
247 uint8_t in_file_info_class,
248 uint32_t in_output_buffer_length,
249 DATA_BLOB in_input_buffer,
250 uint32_t in_additional_information,
251 uint32_t in_flags)
253 struct tevent_req *req;
254 struct smbd_smb2_getinfo_state *state;
255 struct smb_request *smbreq;
256 connection_struct *conn = smb2req->tcon->compat;
257 NTSTATUS status;
259 req = tevent_req_create(mem_ctx, &state,
260 struct smbd_smb2_getinfo_state);
261 if (req == NULL) {
262 return NULL;
264 state->smb2req = smb2req;
265 state->status = NT_STATUS_OK;
266 state->out_output_buffer = data_blob_null;
268 DEBUG(10,("smbd_smb2_getinfo_send: %s - %s\n",
269 fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
271 smbreq = smbd_smb2_fake_smb_request(smb2req);
272 if (tevent_req_nomem(smbreq, req)) {
273 return tevent_req_post(req, ev);
276 if (IS_IPC(conn)) {
277 smb2_ipc_getinfo(req, state, ev,
278 in_info_type, in_file_info_class);
279 return tevent_req_post(req, ev);
282 switch (in_info_type) {
283 case 0x01:/* SMB2_GETINFO_FILE */
285 uint16_t file_info_level;
286 char *data = NULL;
287 unsigned int data_size = 0;
288 bool delete_pending = false;
289 struct timespec write_time_ts;
290 struct file_id fileid;
291 struct ea_list *ea_list = NULL;
292 int lock_data_count = 0;
293 char *lock_data = NULL;
295 ZERO_STRUCT(write_time_ts);
297 switch (in_file_info_class) {
298 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
299 file_info_level = 0xFF00 | in_file_info_class;
300 break;
302 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
303 file_info_level = 0xFF00 | in_file_info_class;
304 break;
306 default:
307 /* the levels directly map to the passthru levels */
308 file_info_level = in_file_info_class + 1000;
309 break;
312 if (fsp->fake_file_handle) {
314 * This is actually for the QUOTA_FAKE_FILE --metze
317 /* We know this name is ok, it's already passed the checks. */
319 } else if (fsp->fh->fd == -1) {
321 * This is actually a QFILEINFO on a directory
322 * handle (returned from an NT SMB). NT5.0 seems
323 * to do this call. JRA.
326 if (INFO_LEVEL_IS_UNIX(file_info_level)) {
327 /* Always do lstat for UNIX calls. */
328 if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
329 DEBUG(3,("smbd_smb2_getinfo_send: "
330 "SMB_VFS_LSTAT of %s failed "
331 "(%s)\n", fsp_str_dbg(fsp),
332 strerror(errno)));
333 status = map_nt_error_from_unix(errno);
334 tevent_req_nterror(req, status);
335 return tevent_req_post(req, ev);
337 } else if (SMB_VFS_STAT(conn, fsp->fsp_name)) {
338 DEBUG(3,("smbd_smb2_getinfo_send: "
339 "SMB_VFS_STAT of %s failed (%s)\n",
340 fsp_str_dbg(fsp),
341 strerror(errno)));
342 status = map_nt_error_from_unix(errno);
343 tevent_req_nterror(req, status);
344 return tevent_req_post(req, ev);
347 fileid = vfs_file_id_from_sbuf(conn,
348 &fsp->fsp_name->st);
349 get_file_infos(fileid, fsp->name_hash,
350 &delete_pending, &write_time_ts);
351 } else {
353 * Original code - this is an open file.
356 if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
357 DEBUG(3, ("smbd_smb2_getinfo_send: "
358 "fstat of %s failed (%s)\n",
359 fsp_fnum_dbg(fsp), strerror(errno)));
360 status = map_nt_error_from_unix(errno);
361 tevent_req_nterror(req, status);
362 return tevent_req_post(req, ev);
364 fileid = vfs_file_id_from_sbuf(conn,
365 &fsp->fsp_name->st);
366 get_file_infos(fileid, fsp->name_hash,
367 &delete_pending, &write_time_ts);
370 status = smbd_do_qfilepathinfo(conn, state,
371 file_info_level,
372 fsp,
373 fsp->fsp_name,
374 delete_pending,
375 write_time_ts,
376 ea_list,
377 lock_data_count,
378 lock_data,
379 STR_UNICODE,
380 in_output_buffer_length,
381 &data,
382 &data_size);
383 if (!NT_STATUS_IS_OK(status)) {
384 SAFE_FREE(data);
385 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
386 status = NT_STATUS_INVALID_INFO_CLASS;
388 tevent_req_nterror(req, status);
389 return tevent_req_post(req, ev);
391 if (data_size > 0) {
392 state->out_output_buffer = data_blob_talloc(state,
393 data,
394 data_size);
395 SAFE_FREE(data);
396 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
397 return tevent_req_post(req, ev);
400 SAFE_FREE(data);
401 break;
404 case 0x02:/* SMB2_GETINFO_FS */
406 uint16_t file_info_level;
407 char *data = NULL;
408 int data_size = 0;
410 /* the levels directly map to the passthru levels */
411 file_info_level = in_file_info_class + 1000;
413 status = smbd_do_qfsinfo(conn, state,
414 file_info_level,
415 STR_UNICODE,
416 in_output_buffer_length,
417 &data,
418 &data_size);
419 if (!NT_STATUS_IS_OK(status)) {
420 SAFE_FREE(data);
421 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
422 status = NT_STATUS_INVALID_INFO_CLASS;
424 tevent_req_nterror(req, status);
425 return tevent_req_post(req, ev);
427 if (data_size > 0) {
428 state->out_output_buffer = data_blob_talloc(state,
429 data,
430 data_size);
431 SAFE_FREE(data);
432 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
433 return tevent_req_post(req, ev);
436 SAFE_FREE(data);
437 break;
440 case 0x03:/* SMB2_GETINFO_SEC */
442 uint8_t *p_marshalled_sd = NULL;
443 size_t sd_size = 0;
445 status = smbd_do_query_security_desc(conn,
446 state,
447 fsp,
448 /* Security info wanted. */
449 in_additional_information,
450 in_output_buffer_length,
451 &p_marshalled_sd,
452 &sd_size);
454 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
455 /* Return needed size. */
456 state->out_output_buffer = data_blob_talloc(state,
457 NULL,
459 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
460 return tevent_req_post(req, ev);
462 SIVAL(state->out_output_buffer.data,0,(uint32_t)sd_size);
463 state->status = NT_STATUS_BUFFER_TOO_SMALL;
464 break;
466 if (!NT_STATUS_IS_OK(status)) {
467 DEBUG(10,("smbd_smb2_getinfo_send: "
468 "smbd_do_query_security_desc of %s failed "
469 "(%s)\n", fsp_str_dbg(fsp),
470 nt_errstr(status)));
471 tevent_req_nterror(req, status);
472 return tevent_req_post(req, ev);
475 if (sd_size > 0) {
476 state->out_output_buffer = data_blob_talloc(state,
477 p_marshalled_sd,
478 sd_size);
479 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
480 return tevent_req_post(req, ev);
483 break;
486 default:
487 DEBUG(10,("smbd_smb2_getinfo_send: "
488 "unknown in_info_type of %u "
489 " for file %s\n",
490 (unsigned int)in_info_type,
491 fsp_str_dbg(fsp) ));
493 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
494 return tevent_req_post(req, ev);
497 tevent_req_done(req);
498 return tevent_req_post(req, ev);
501 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
502 TALLOC_CTX *mem_ctx,
503 DATA_BLOB *out_output_buffer,
504 NTSTATUS *pstatus)
506 NTSTATUS status;
507 struct smbd_smb2_getinfo_state *state = tevent_req_data(req,
508 struct smbd_smb2_getinfo_state);
510 if (tevent_req_is_nterror(req, &status)) {
511 tevent_req_received(req);
512 return status;
515 *out_output_buffer = state->out_output_buffer;
516 talloc_steal(mem_ctx, out_output_buffer->data);
517 *pstatus = state->status;
519 tevent_req_received(req);
520 return NT_STATUS_OK;