2 Unix SMB/CIFS implementation.
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/>.
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "../libcli/smb/smb_common.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
,
33 uint8_t in_file_info_class
,
34 uint32_t in_output_buffer_length
,
35 DATA_BLOB in_input_buffer
,
36 uint32_t in_additional_information
,
38 uint64_t in_file_id_volatile
);
39 static NTSTATUS
smbd_smb2_getinfo_recv(struct tevent_req
*req
,
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
)
48 const uint8_t *inbody
;
49 int i
= req
->current_idx
;
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
;
58 uint64_t in_file_id_persistent
;
59 uint64_t in_file_id_volatile
;
60 struct tevent_req
*subreq
;
62 status
= smbd_smb2_request_verify_sizes(req
, 0x29);
63 if (!NT_STATUS_IS_OK(status
)) {
64 return smbd_smb2_request_error(req
, status
);
66 inbody
= (const uint8_t *)req
->in
.vector
[i
+1].iov_base
;
68 in_info_type
= CVAL(inbody
, 0x02);
69 in_file_info_class
= CVAL(inbody
, 0x03);
70 in_output_buffer_length
= IVAL(inbody
, 0x04);
71 in_input_buffer_offset
= SVAL(inbody
, 0x08);
72 /* 0x0A 2 bytes reserved */
73 in_input_buffer_length
= IVAL(inbody
, 0x0C);
74 in_additional_information
= IVAL(inbody
, 0x10);
75 in_flags
= IVAL(inbody
, 0x14);
76 in_file_id_persistent
= BVAL(inbody
, 0x18);
77 in_file_id_volatile
= BVAL(inbody
, 0x20);
79 if (in_input_buffer_offset
== 0 && in_input_buffer_length
== 0) {
81 } else if (in_input_buffer_offset
!=
82 (SMB2_HDR_BODY
+ req
->in
.vector
[i
+1].iov_len
)) {
83 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
86 if (in_input_buffer_length
> req
->in
.vector
[i
+2].iov_len
) {
87 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
90 in_input_buffer
.data
= (uint8_t *)req
->in
.vector
[i
+2].iov_base
;
91 in_input_buffer
.length
= in_input_buffer_length
;
93 if (in_input_buffer
.length
> req
->sconn
->smb2
.max_trans
) {
94 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
96 if (in_output_buffer_length
> req
->sconn
->smb2
.max_trans
) {
97 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
100 if (req
->compat_chain_fsp
) {
102 } else if (in_file_id_persistent
!= in_file_id_volatile
) {
103 return smbd_smb2_request_error(req
, NT_STATUS_FILE_CLOSED
);
106 subreq
= smbd_smb2_getinfo_send(req
,
111 in_output_buffer_length
,
113 in_additional_information
,
115 in_file_id_volatile
);
116 if (subreq
== NULL
) {
117 return smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
119 tevent_req_set_callback(subreq
, smbd_smb2_request_getinfo_done
, req
);
121 return smbd_smb2_request_pending_queue(req
, subreq
, 500);
124 static void smbd_smb2_request_getinfo_done(struct tevent_req
*subreq
)
126 struct smbd_smb2_request
*req
= tevent_req_callback_data(subreq
,
127 struct smbd_smb2_request
);
130 uint16_t out_output_buffer_offset
;
131 DATA_BLOB out_output_buffer
= data_blob_null
;
133 NTSTATUS call_status
= NT_STATUS_OK
;
134 NTSTATUS error
; /* transport error */
136 status
= smbd_smb2_getinfo_recv(subreq
,
141 if (!NT_STATUS_IS_OK(status
)) {
142 error
= smbd_smb2_request_error(req
, status
);
143 if (!NT_STATUS_IS_OK(error
)) {
144 smbd_server_connection_terminate(req
->sconn
,
151 if (!NT_STATUS_IS_OK(call_status
)) {
152 /* Return a specific error with data. */
153 error
= smbd_smb2_request_error_ex(req
,
157 if (!NT_STATUS_IS_OK(error
)) {
158 smbd_server_connection_terminate(req
->sconn
,
165 out_output_buffer_offset
= SMB2_HDR_BODY
+ 0x08;
167 outbody
= data_blob_talloc(req
->out
.vector
, NULL
, 0x08);
168 if (outbody
.data
== NULL
) {
169 error
= smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
170 if (!NT_STATUS_IS_OK(error
)) {
171 smbd_server_connection_terminate(req
->sconn
,
178 SSVAL(outbody
.data
, 0x00, 0x08 + 1); /* struct size */
179 SSVAL(outbody
.data
, 0x02,
180 out_output_buffer_offset
); /* output buffer offset */
181 SIVAL(outbody
.data
, 0x04,
182 out_output_buffer
.length
); /* output buffer length */
184 outdyn
= out_output_buffer
;
186 error
= smbd_smb2_request_done(req
, outbody
, &outdyn
);
187 if (!NT_STATUS_IS_OK(error
)) {
188 smbd_server_connection_terminate(req
->sconn
,
194 struct smbd_smb2_getinfo_state
{
195 struct smbd_smb2_request
*smb2req
;
197 DATA_BLOB out_output_buffer
;
200 static void smb2_ipc_getinfo(struct tevent_req
*req
,
201 struct smbd_smb2_getinfo_state
*state
,
202 struct tevent_context
*ev
,
203 uint8_t in_info_type
,
204 uint8_t in_file_info_class
)
206 /* We want to reply to SMB2_GETINFO_FILE
207 with a class of SMB2_FILE_STANDARD_INFO as
208 otherwise a Win7 client issues this request
209 twice (2xroundtrips) if we return NOT_SUPPORTED.
210 NB. We do the same for SMB1 in call_trans2qpipeinfo() */
212 if (in_info_type
== 0x01 && /* SMB2_GETINFO_FILE */
213 in_file_info_class
== 0x05) { /* SMB2_FILE_STANDARD_INFO */
214 state
->out_output_buffer
= data_blob_talloc(state
,
216 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
220 memset(state
->out_output_buffer
.data
,0,24);
221 SOFF_T(state
->out_output_buffer
.data
,0,4096LL);
222 SIVAL(state
->out_output_buffer
.data
,16,1);
223 SIVAL(state
->out_output_buffer
.data
,20,1);
224 tevent_req_done(req
);
226 tevent_req_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
230 static struct tevent_req
*smbd_smb2_getinfo_send(TALLOC_CTX
*mem_ctx
,
231 struct tevent_context
*ev
,
232 struct smbd_smb2_request
*smb2req
,
233 uint8_t in_info_type
,
234 uint8_t in_file_info_class
,
235 uint32_t in_output_buffer_length
,
236 DATA_BLOB in_input_buffer
,
237 uint32_t in_additional_information
,
239 uint64_t in_file_id_volatile
)
241 struct tevent_req
*req
;
242 struct smbd_smb2_getinfo_state
*state
;
243 struct smb_request
*smbreq
;
244 connection_struct
*conn
= smb2req
->tcon
->compat_conn
;
248 req
= tevent_req_create(mem_ctx
, &state
,
249 struct smbd_smb2_getinfo_state
);
253 state
->smb2req
= smb2req
;
254 state
->status
= NT_STATUS_OK
;
255 state
->out_output_buffer
= data_blob_null
;
257 DEBUG(10,("smbd_smb2_getinfo_send: file_id[0x%016llX]\n",
258 (unsigned long long)in_file_id_volatile
));
260 smbreq
= smbd_smb2_fake_smb_request(smb2req
);
261 if (tevent_req_nomem(smbreq
, req
)) {
262 return tevent_req_post(req
, ev
);
265 fsp
= file_fsp(smbreq
, (uint16_t)in_file_id_volatile
);
267 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
268 return tevent_req_post(req
, ev
);
270 if (conn
!= fsp
->conn
) {
271 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
272 return tevent_req_post(req
, ev
);
274 if (smb2req
->session
->vuid
!= fsp
->vuid
) {
275 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
276 return tevent_req_post(req
, ev
);
280 smb2_ipc_getinfo(req
, state
, ev
,
281 in_info_type
, in_file_info_class
);
282 return tevent_req_post(req
, ev
);
285 switch (in_info_type
) {
286 case 0x01:/* SMB2_GETINFO_FILE */
288 uint16_t file_info_level
;
290 unsigned int data_size
= 0;
291 bool delete_pending
= false;
292 struct timespec write_time_ts
;
293 struct file_id fileid
;
294 struct ea_list
*ea_list
= NULL
;
295 int lock_data_count
= 0;
296 char *lock_data
= NULL
;
298 ZERO_STRUCT(write_time_ts
);
300 switch (in_file_info_class
) {
301 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
302 file_info_level
= 0xFF00 | in_file_info_class
;
305 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
306 file_info_level
= 0xFF00 | in_file_info_class
;
310 /* the levels directly map to the passthru levels */
311 file_info_level
= in_file_info_class
+ 1000;
315 if (fsp
->fake_file_handle
) {
317 * This is actually for the QUOTA_FAKE_FILE --metze
320 /* We know this name is ok, it's already passed the checks. */
322 } else if (fsp
&& fsp
->fh
->fd
== -1) {
324 * This is actually a QFILEINFO on a directory
325 * handle (returned from an NT SMB). NT5.0 seems
326 * to do this call. JRA.
329 if (INFO_LEVEL_IS_UNIX(file_info_level
)) {
330 /* Always do lstat for UNIX calls. */
331 if (SMB_VFS_LSTAT(conn
, fsp
->fsp_name
)) {
332 DEBUG(3,("smbd_smb2_getinfo_send: "
333 "SMB_VFS_LSTAT of %s failed "
334 "(%s)\n", fsp_str_dbg(fsp
),
336 status
= map_nt_error_from_unix(errno
);
337 tevent_req_nterror(req
, status
);
338 return tevent_req_post(req
, ev
);
340 } else if (SMB_VFS_STAT(conn
, fsp
->fsp_name
)) {
341 DEBUG(3,("smbd_smb2_getinfo_send: "
342 "SMB_VFS_STAT of %s failed (%s)\n",
345 status
= map_nt_error_from_unix(errno
);
346 tevent_req_nterror(req
, status
);
347 return tevent_req_post(req
, ev
);
350 fileid
= vfs_file_id_from_sbuf(conn
,
352 get_file_infos(fileid
, fsp
->name_hash
,
353 &delete_pending
, &write_time_ts
);
356 * Original code - this is an open file.
359 if (SMB_VFS_FSTAT(fsp
, &fsp
->fsp_name
->st
) != 0) {
360 DEBUG(3, ("smbd_smb2_getinfo_send: "
361 "fstat of fnum %d failed (%s)\n",
362 fsp
->fnum
, strerror(errno
)));
363 status
= map_nt_error_from_unix(errno
);
364 tevent_req_nterror(req
, status
);
365 return tevent_req_post(req
, ev
);
367 fileid
= vfs_file_id_from_sbuf(conn
,
369 get_file_infos(fileid
, fsp
->name_hash
,
370 &delete_pending
, &write_time_ts
);
373 status
= smbd_do_qfilepathinfo(conn
, state
,
383 in_output_buffer_length
,
386 if (!NT_STATUS_IS_OK(status
)) {
388 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
389 status
= NT_STATUS_INVALID_INFO_CLASS
;
391 tevent_req_nterror(req
, status
);
392 return tevent_req_post(req
, ev
);
395 state
->out_output_buffer
= data_blob_talloc(state
,
399 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
400 return tevent_req_post(req
, ev
);
407 case 0x02:/* SMB2_GETINFO_FS */
409 uint16_t file_info_level
;
413 /* the levels directly map to the passthru levels */
414 file_info_level
= in_file_info_class
+ 1000;
416 status
= smbd_do_qfsinfo(conn
, state
,
419 in_output_buffer_length
,
422 if (!NT_STATUS_IS_OK(status
)) {
424 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
425 status
= NT_STATUS_INVALID_INFO_CLASS
;
427 tevent_req_nterror(req
, status
);
428 return tevent_req_post(req
, ev
);
431 state
->out_output_buffer
= data_blob_talloc(state
,
435 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
436 return tevent_req_post(req
, ev
);
443 case 0x03:/* SMB2_GETINFO_SEC */
445 uint8_t *p_marshalled_sd
= NULL
;
448 status
= smbd_do_query_security_desc(conn
,
451 /* Security info wanted. */
452 in_additional_information
,
453 in_output_buffer_length
,
457 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
458 /* Return needed size. */
459 state
->out_output_buffer
= data_blob_talloc(state
,
462 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
463 return tevent_req_post(req
, ev
);
465 SIVAL(state
->out_output_buffer
.data
,0,(uint32_t)sd_size
);
466 state
->status
= NT_STATUS_BUFFER_TOO_SMALL
;
469 if (!NT_STATUS_IS_OK(status
)) {
470 DEBUG(10,("smbd_smb2_getinfo_send: "
471 "smbd_do_query_security_desc of %s failed "
472 "(%s)\n", fsp_str_dbg(fsp
),
474 tevent_req_nterror(req
, status
);
475 return tevent_req_post(req
, ev
);
479 state
->out_output_buffer
= data_blob_talloc(state
,
482 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
483 return tevent_req_post(req
, ev
);
490 DEBUG(10,("smbd_smb2_getinfo_send: "
491 "unknown in_info_type of %u "
493 (unsigned int)in_info_type
,
496 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
497 return tevent_req_post(req
, ev
);
500 tevent_req_done(req
);
501 return tevent_req_post(req
, ev
);
504 static NTSTATUS
smbd_smb2_getinfo_recv(struct tevent_req
*req
,
506 DATA_BLOB
*out_output_buffer
,
510 struct smbd_smb2_getinfo_state
*state
= tevent_req_data(req
,
511 struct smbd_smb2_getinfo_state
);
513 if (tevent_req_is_nterror(req
, &status
)) {
514 tevent_req_received(req
);
518 *out_output_buffer
= state
->out_output_buffer
;
519 talloc_steal(mem_ctx
, out_output_buffer
->data
);
520 *pstatus
= state
->status
;
522 tevent_req_received(req
);