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"
28 static struct tevent_req
*smbd_smb2_getinfo_send(TALLOC_CTX
*mem_ctx
,
29 struct tevent_context
*ev
,
30 struct smbd_smb2_request
*smb2req
,
32 uint8_t in_file_info_class
,
33 uint32_t in_output_buffer_length
,
34 DATA_BLOB in_input_buffer
,
35 uint32_t in_additional_information
,
37 uint64_t in_file_id_volatile
);
38 static NTSTATUS
smbd_smb2_getinfo_recv(struct tevent_req
*req
,
40 DATA_BLOB
*out_output_buffer
,
41 NTSTATUS
*p_call_status
);
43 static void smbd_smb2_request_getinfo_done(struct tevent_req
*subreq
);
44 NTSTATUS
smbd_smb2_request_process_getinfo(struct smbd_smb2_request
*req
)
47 const uint8_t *inbody
;
48 int i
= req
->current_idx
;
49 size_t expected_body_size
= 0x29;
52 uint8_t in_file_info_class
;
53 uint32_t in_output_buffer_length
;
54 uint16_t in_input_buffer_offset
;
55 uint32_t in_input_buffer_length
;
56 DATA_BLOB in_input_buffer
;
57 uint32_t in_additional_information
;
59 uint64_t in_file_id_persistent
;
60 uint64_t in_file_id_volatile
;
61 struct tevent_req
*subreq
;
63 inhdr
= (const uint8_t *)req
->in
.vector
[i
+0].iov_base
;
64 if (req
->in
.vector
[i
+1].iov_len
!= (expected_body_size
& 0xFFFFFFFE)) {
65 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
68 inbody
= (const uint8_t *)req
->in
.vector
[i
+1].iov_base
;
70 body_size
= SVAL(inbody
, 0x00);
71 if (body_size
!= expected_body_size
) {
72 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
75 in_info_type
= CVAL(inbody
, 0x02);
76 in_file_info_class
= CVAL(inbody
, 0x03);
77 in_output_buffer_length
= IVAL(inbody
, 0x04);
78 in_input_buffer_offset
= SVAL(inbody
, 0x08);
79 /* 0x0A 2 bytes reserved */
80 in_input_buffer_length
= IVAL(inbody
, 0x0C);
81 in_additional_information
= IVAL(inbody
, 0x10);
82 in_flags
= IVAL(inbody
, 0x14);
83 in_file_id_persistent
= BVAL(inbody
, 0x18);
84 in_file_id_volatile
= BVAL(inbody
, 0x20);
86 if (in_input_buffer_offset
== 0 && in_input_buffer_length
== 0) {
88 } else if (in_input_buffer_offset
!=
89 (SMB2_HDR_BODY
+ (body_size
& 0xFFFFFFFE))) {
90 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
93 if (in_input_buffer_length
> req
->in
.vector
[i
+2].iov_len
) {
94 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
97 in_input_buffer
.data
= (uint8_t *)req
->in
.vector
[i
+2].iov_base
;
98 in_input_buffer
.length
= in_input_buffer_length
;
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
,
107 req
->sconn
->smb2
.event_ctx
,
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
);
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
);
128 int i
= req
->current_idx
;
132 uint16_t out_output_buffer_offset
;
133 DATA_BLOB out_output_buffer
= data_blob_null
;
135 NTSTATUS call_status
= NT_STATUS_OK
;
136 NTSTATUS error
; /* transport error */
138 status
= smbd_smb2_getinfo_recv(subreq
,
143 if (!NT_STATUS_IS_OK(status
)) {
144 error
= smbd_smb2_request_error(req
, status
);
145 if (!NT_STATUS_IS_OK(error
)) {
146 smbd_server_connection_terminate(req
->sconn
,
153 if (!NT_STATUS_IS_OK(call_status
)) {
154 /* Return a specific error with data. */
155 error
= smbd_smb2_request_error_ex(req
,
159 if (!NT_STATUS_IS_OK(error
)) {
160 smbd_server_connection_terminate(req
->sconn
,
167 out_output_buffer_offset
= SMB2_HDR_BODY
+ 0x08;
169 outhdr
= (uint8_t *)req
->out
.vector
[i
].iov_base
;
171 outbody
= data_blob_talloc(req
->out
.vector
, NULL
, 0x08);
172 if (outbody
.data
== NULL
) {
173 error
= smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
174 if (!NT_STATUS_IS_OK(error
)) {
175 smbd_server_connection_terminate(req
->sconn
,
182 SSVAL(outbody
.data
, 0x00, 0x08 + 1); /* struct size */
183 SSVAL(outbody
.data
, 0x02,
184 out_output_buffer_offset
); /* output buffer offset */
185 SIVAL(outbody
.data
, 0x04,
186 out_output_buffer
.length
); /* output buffer length */
188 outdyn
= out_output_buffer
;
190 error
= smbd_smb2_request_done(req
, outbody
, &outdyn
);
191 if (!NT_STATUS_IS_OK(error
)) {
192 smbd_server_connection_terminate(req
->sconn
,
198 struct smbd_smb2_getinfo_state
{
199 struct smbd_smb2_request
*smb2req
;
201 DATA_BLOB out_output_buffer
;
204 static void smb2_ipc_getinfo(struct tevent_req
*req
,
205 struct smbd_smb2_getinfo_state
*state
,
206 struct tevent_context
*ev
,
207 uint8_t in_info_type
,
208 uint8_t in_file_info_class
)
210 /* We want to reply to SMB2_GETINFO_FILE
211 with a class of SMB2_FILE_STANDARD_INFO as
212 otherwise a Win7 client issues this request
213 twice (2xroundtrips) if we return NOT_SUPPORTED.
214 NB. We do the same for SMB1 in call_trans2qpipeinfo() */
216 if (in_info_type
== 0x01 && /* SMB2_GETINFO_FILE */
217 in_file_info_class
== 0x05) { /* SMB2_FILE_STANDARD_INFO */
218 state
->out_output_buffer
= data_blob_talloc(state
,
220 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
224 memset(state
->out_output_buffer
.data
,0,24);
225 SOFF_T(state
->out_output_buffer
.data
,0,4096LL);
226 SIVAL(state
->out_output_buffer
.data
,16,1);
227 SIVAL(state
->out_output_buffer
.data
,20,1);
228 tevent_req_done(req
);
230 tevent_req_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
234 static struct tevent_req
*smbd_smb2_getinfo_send(TALLOC_CTX
*mem_ctx
,
235 struct tevent_context
*ev
,
236 struct smbd_smb2_request
*smb2req
,
237 uint8_t in_info_type
,
238 uint8_t in_file_info_class
,
239 uint32_t in_output_buffer_length
,
240 DATA_BLOB in_input_buffer
,
241 uint32_t in_additional_information
,
243 uint64_t in_file_id_volatile
)
245 struct tevent_req
*req
;
246 struct smbd_smb2_getinfo_state
*state
;
247 struct smb_request
*smbreq
;
248 connection_struct
*conn
= smb2req
->tcon
->compat_conn
;
252 req
= tevent_req_create(mem_ctx
, &state
,
253 struct smbd_smb2_getinfo_state
);
257 state
->smb2req
= smb2req
;
258 state
->status
= NT_STATUS_OK
;
259 state
->out_output_buffer
= data_blob_null
;
261 DEBUG(10,("smbd_smb2_getinfo_send: file_id[0x%016llX]\n",
262 (unsigned long long)in_file_id_volatile
));
264 smbreq
= smbd_smb2_fake_smb_request(smb2req
);
265 if (tevent_req_nomem(smbreq
, req
)) {
266 return tevent_req_post(req
, ev
);
269 fsp
= file_fsp(smbreq
, (uint16_t)in_file_id_volatile
);
271 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
272 return tevent_req_post(req
, ev
);
274 if (conn
!= fsp
->conn
) {
275 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
276 return tevent_req_post(req
, ev
);
278 if (smb2req
->session
->vuid
!= fsp
->vuid
) {
279 tevent_req_nterror(req
, NT_STATUS_FILE_CLOSED
);
280 return tevent_req_post(req
, ev
);
284 smb2_ipc_getinfo(req
, state
, ev
,
285 in_info_type
, in_file_info_class
);
286 return tevent_req_post(req
, ev
);
289 switch (in_info_type
) {
290 case 0x01:/* SMB2_GETINFO_FILE */
292 uint16_t file_info_level
;
294 unsigned int data_size
= 0;
295 bool delete_pending
= false;
296 struct timespec write_time_ts
;
297 struct file_id fileid
;
298 struct ea_list
*ea_list
= NULL
;
299 int lock_data_count
= 0;
300 char *lock_data
= NULL
;
302 ZERO_STRUCT(write_time_ts
);
304 switch (in_file_info_class
) {
305 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
306 file_info_level
= 0xFF00 | in_file_info_class
;
309 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
310 file_info_level
= 0xFF00 | in_file_info_class
;
314 /* the levels directly map to the passthru levels */
315 file_info_level
= in_file_info_class
+ 1000;
319 if (fsp
->fake_file_handle
) {
321 * This is actually for the QUOTA_FAKE_FILE --metze
324 /* We know this name is ok, it's already passed the checks. */
326 } else if (fsp
&& fsp
->fh
->fd
== -1) {
328 * This is actually a QFILEINFO on a directory
329 * handle (returned from an NT SMB). NT5.0 seems
330 * to do this call. JRA.
333 if (INFO_LEVEL_IS_UNIX(file_info_level
)) {
334 /* Always do lstat for UNIX calls. */
335 if (SMB_VFS_LSTAT(conn
, fsp
->fsp_name
)) {
336 DEBUG(3,("smbd_smb2_getinfo_send: "
337 "SMB_VFS_LSTAT of %s failed "
338 "(%s)\n", fsp_str_dbg(fsp
),
340 status
= map_nt_error_from_unix(errno
);
341 tevent_req_nterror(req
, status
);
342 return tevent_req_post(req
, ev
);
344 } else if (SMB_VFS_STAT(conn
, fsp
->fsp_name
)) {
345 DEBUG(3,("smbd_smb2_getinfo_send: "
346 "SMB_VFS_STAT of %s failed (%s)\n",
349 status
= map_nt_error_from_unix(errno
);
350 tevent_req_nterror(req
, status
);
351 return tevent_req_post(req
, ev
);
354 fileid
= vfs_file_id_from_sbuf(conn
,
356 get_file_infos(fileid
, fsp
->name_hash
,
357 &delete_pending
, &write_time_ts
);
360 * Original code - this is an open file.
363 if (SMB_VFS_FSTAT(fsp
, &fsp
->fsp_name
->st
) != 0) {
364 DEBUG(3, ("smbd_smb2_getinfo_send: "
365 "fstat of fnum %d failed (%s)\n",
366 fsp
->fnum
, strerror(errno
)));
367 status
= map_nt_error_from_unix(errno
);
368 tevent_req_nterror(req
, status
);
369 return tevent_req_post(req
, ev
);
371 fileid
= vfs_file_id_from_sbuf(conn
,
373 get_file_infos(fileid
, fsp
->name_hash
,
374 &delete_pending
, &write_time_ts
);
377 status
= smbd_do_qfilepathinfo(conn
, state
,
387 in_output_buffer_length
,
390 if (!NT_STATUS_IS_OK(status
)) {
392 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
393 status
= NT_STATUS_INVALID_INFO_CLASS
;
395 tevent_req_nterror(req
, status
);
396 return tevent_req_post(req
, ev
);
399 state
->out_output_buffer
= data_blob_talloc(state
,
403 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
404 return tevent_req_post(req
, ev
);
411 case 0x02:/* SMB2_GETINFO_FS */
413 uint16_t file_info_level
;
417 /* the levels directly map to the passthru levels */
418 file_info_level
= in_file_info_class
+ 1000;
420 status
= smbd_do_qfsinfo(conn
, state
,
423 in_output_buffer_length
,
426 if (!NT_STATUS_IS_OK(status
)) {
428 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
429 status
= NT_STATUS_INVALID_INFO_CLASS
;
431 tevent_req_nterror(req
, status
);
432 return tevent_req_post(req
, ev
);
435 state
->out_output_buffer
= data_blob_talloc(state
,
439 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
440 return tevent_req_post(req
, ev
);
447 case 0x03:/* SMB2_GETINFO_SEC */
449 uint8_t *p_marshalled_sd
= NULL
;
452 status
= smbd_do_query_security_desc(conn
,
455 /* Security info wanted. */
456 in_additional_information
,
457 in_output_buffer_length
,
461 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
462 /* Return needed size. */
463 state
->out_output_buffer
= data_blob_talloc(state
,
466 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
467 return tevent_req_post(req
, ev
);
469 SIVAL(state
->out_output_buffer
.data
,0,(uint32_t)sd_size
);
470 state
->status
= NT_STATUS_BUFFER_TOO_SMALL
;
473 if (!NT_STATUS_IS_OK(status
)) {
474 DEBUG(10,("smbd_smb2_getinfo_send: "
475 "smbd_do_query_security_desc of %s failed "
476 "(%s)\n", fsp_str_dbg(fsp
),
478 tevent_req_nterror(req
, status
);
479 return tevent_req_post(req
, ev
);
483 state
->out_output_buffer
= data_blob_talloc(state
,
486 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
487 return tevent_req_post(req
, ev
);
494 DEBUG(10,("smbd_smb2_getinfo_send: "
495 "unknown in_info_type of %u "
497 (unsigned int)in_info_type
,
500 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
501 return tevent_req_post(req
, ev
);
504 tevent_req_done(req
);
505 return tevent_req_post(req
, ev
);
508 static NTSTATUS
smbd_smb2_getinfo_recv(struct tevent_req
*req
,
510 DATA_BLOB
*out_output_buffer
,
514 struct smbd_smb2_getinfo_state
*state
= tevent_req_data(req
,
515 struct smbd_smb2_getinfo_state
);
517 if (tevent_req_is_nterror(req
, &status
)) {
518 tevent_req_received(req
);
522 *out_output_buffer
= state
->out_output_buffer
;
523 talloc_steal(mem_ctx
, out_output_buffer
->data
);
524 *pstatus
= state
->status
;
526 tevent_req_received(req
);