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
,
32 struct files_struct
*in_fsp
,
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
,
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 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) {
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 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
97 if (in_output_buffer_length
> req
->sconn
->smb2
.max_trans
) {
98 return smbd_smb2_request_error(req
, NT_STATUS_INVALID_PARAMETER
);
101 in_fsp
= file_fsp_smb2(req
, in_file_id_persistent
, in_file_id_volatile
);
102 if (in_fsp
== NULL
) {
103 return smbd_smb2_request_error(req
, NT_STATUS_FILE_CLOSED
);
106 subreq
= smbd_smb2_getinfo_send(req
, req
->sconn
->smb2
.event_ctx
,
110 in_output_buffer_length
,
112 in_additional_information
,
114 if (subreq
== NULL
) {
115 return smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
117 tevent_req_set_callback(subreq
, smbd_smb2_request_getinfo_done
, req
);
119 return smbd_smb2_request_pending_queue(req
, subreq
);
122 static void smbd_smb2_request_getinfo_done(struct tevent_req
*subreq
)
124 struct smbd_smb2_request
*req
= tevent_req_callback_data(subreq
,
125 struct smbd_smb2_request
);
126 int i
= req
->current_idx
;
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 outhdr
= (uint8_t *)req
->out
.vector
[i
].iov_base
;
169 outbody
= data_blob_talloc(req
->out
.vector
, NULL
, 0x08);
170 if (outbody
.data
== NULL
) {
171 error
= smbd_smb2_request_error(req
, NT_STATUS_NO_MEMORY
);
172 if (!NT_STATUS_IS_OK(error
)) {
173 smbd_server_connection_terminate(req
->sconn
,
180 SSVAL(outbody
.data
, 0x00, 0x08 + 1); /* struct size */
181 SSVAL(outbody
.data
, 0x02,
182 out_output_buffer_offset
); /* output buffer offset */
183 SIVAL(outbody
.data
, 0x04,
184 out_output_buffer
.length
); /* output buffer length */
186 outdyn
= out_output_buffer
;
188 error
= smbd_smb2_request_done(req
, outbody
, &outdyn
);
189 if (!NT_STATUS_IS_OK(error
)) {
190 smbd_server_connection_terminate(req
->sconn
,
196 struct smbd_smb2_getinfo_state
{
197 struct smbd_smb2_request
*smb2req
;
199 DATA_BLOB out_output_buffer
;
202 static void smb2_ipc_getinfo(struct tevent_req
*req
,
203 struct smbd_smb2_getinfo_state
*state
,
204 struct tevent_context
*ev
,
205 uint8_t in_info_type
,
206 uint8_t in_file_info_class
)
208 /* We want to reply to SMB2_GETINFO_FILE
209 with a class of SMB2_FILE_STANDARD_INFO as
210 otherwise a Win7 client issues this request
211 twice (2xroundtrips) if we return NOT_SUPPORTED.
212 NB. We do the same for SMB1 in call_trans2qpipeinfo() */
214 if (in_info_type
== 0x01 && /* SMB2_GETINFO_FILE */
215 in_file_info_class
== 0x05) { /* SMB2_FILE_STANDARD_INFO */
216 state
->out_output_buffer
= data_blob_talloc(state
,
218 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
222 memset(state
->out_output_buffer
.data
,0,24);
223 SOFF_T(state
->out_output_buffer
.data
,0,4096LL);
224 SIVAL(state
->out_output_buffer
.data
,16,1);
225 SIVAL(state
->out_output_buffer
.data
,20,1);
226 tevent_req_done(req
);
228 tevent_req_nterror(req
, NT_STATUS_NOT_SUPPORTED
);
232 static struct tevent_req
*smbd_smb2_getinfo_send(TALLOC_CTX
*mem_ctx
,
233 struct tevent_context
*ev
,
234 struct smbd_smb2_request
*smb2req
,
235 struct files_struct
*fsp
,
236 uint8_t in_info_type
,
237 uint8_t in_file_info_class
,
238 uint32_t in_output_buffer_length
,
239 DATA_BLOB in_input_buffer
,
240 uint32_t in_additional_information
,
243 struct tevent_req
*req
;
244 struct smbd_smb2_getinfo_state
*state
;
245 struct smb_request
*smbreq
;
246 connection_struct
*conn
= smb2req
->tcon
->compat_conn
;
249 req
= tevent_req_create(mem_ctx
, &state
,
250 struct smbd_smb2_getinfo_state
);
254 state
->smb2req
= smb2req
;
255 state
->status
= NT_STATUS_OK
;
256 state
->out_output_buffer
= data_blob_null
;
258 DEBUG(10,("smbd_smb2_getinfo_send: %s - fnum[%d]\n",
259 fsp_str_dbg(fsp
), fsp
->fnum
));
261 smbreq
= smbd_smb2_fake_smb_request(smb2req
);
262 if (tevent_req_nomem(smbreq
, req
)) {
263 return tevent_req_post(req
, ev
);
267 smb2_ipc_getinfo(req
, state
, ev
,
268 in_info_type
, in_file_info_class
);
269 return tevent_req_post(req
, ev
);
272 switch (in_info_type
) {
273 case 0x01:/* SMB2_GETINFO_FILE */
275 uint16_t file_info_level
;
277 unsigned int data_size
= 0;
278 bool delete_pending
= false;
279 struct timespec write_time_ts
;
280 struct file_id fileid
;
281 struct ea_list
*ea_list
= NULL
;
282 int lock_data_count
= 0;
283 char *lock_data
= NULL
;
285 ZERO_STRUCT(write_time_ts
);
287 switch (in_file_info_class
) {
288 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
289 file_info_level
= 0xFF00 | in_file_info_class
;
292 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
293 file_info_level
= 0xFF00 | in_file_info_class
;
297 /* the levels directly map to the passthru levels */
298 file_info_level
= in_file_info_class
+ 1000;
302 if (fsp
->fake_file_handle
) {
304 * This is actually for the QUOTA_FAKE_FILE --metze
307 /* We know this name is ok, it's already passed the checks. */
309 } else if (fsp
&& fsp
->fh
->fd
== -1) {
311 * This is actually a QFILEINFO on a directory
312 * handle (returned from an NT SMB). NT5.0 seems
313 * to do this call. JRA.
316 if (INFO_LEVEL_IS_UNIX(file_info_level
)) {
317 /* Always do lstat for UNIX calls. */
318 if (SMB_VFS_LSTAT(conn
, fsp
->fsp_name
)) {
319 DEBUG(3,("smbd_smb2_getinfo_send: "
320 "SMB_VFS_LSTAT of %s failed "
321 "(%s)\n", fsp_str_dbg(fsp
),
323 status
= map_nt_error_from_unix(errno
);
324 tevent_req_nterror(req
, status
);
325 return tevent_req_post(req
, ev
);
327 } else if (SMB_VFS_STAT(conn
, fsp
->fsp_name
)) {
328 DEBUG(3,("smbd_smb2_getinfo_send: "
329 "SMB_VFS_STAT of %s failed (%s)\n",
332 status
= map_nt_error_from_unix(errno
);
333 tevent_req_nterror(req
, status
);
334 return tevent_req_post(req
, ev
);
337 fileid
= vfs_file_id_from_sbuf(conn
,
339 get_file_infos(fileid
, fsp
->name_hash
,
340 &delete_pending
, &write_time_ts
);
343 * Original code - this is an open file.
346 if (SMB_VFS_FSTAT(fsp
, &fsp
->fsp_name
->st
) != 0) {
347 DEBUG(3, ("smbd_smb2_getinfo_send: "
348 "fstat of fnum %d failed (%s)\n",
349 fsp
->fnum
, strerror(errno
)));
350 status
= map_nt_error_from_unix(errno
);
351 tevent_req_nterror(req
, status
);
352 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 status
= smbd_do_qfilepathinfo(conn
, state
,
370 in_output_buffer_length
,
373 if (!NT_STATUS_IS_OK(status
)) {
375 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
376 status
= NT_STATUS_INVALID_INFO_CLASS
;
378 tevent_req_nterror(req
, status
);
379 return tevent_req_post(req
, ev
);
382 state
->out_output_buffer
= data_blob_talloc(state
,
386 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
387 return tevent_req_post(req
, ev
);
394 case 0x02:/* SMB2_GETINFO_FS */
396 uint16_t file_info_level
;
400 /* the levels directly map to the passthru levels */
401 file_info_level
= in_file_info_class
+ 1000;
403 status
= smbd_do_qfsinfo(conn
, state
,
406 in_output_buffer_length
,
410 if (!NT_STATUS_IS_OK(status
)) {
412 if (NT_STATUS_EQUAL(status
, NT_STATUS_INVALID_LEVEL
)) {
413 status
= NT_STATUS_INVALID_INFO_CLASS
;
415 tevent_req_nterror(req
, status
);
416 return tevent_req_post(req
, ev
);
419 state
->out_output_buffer
= data_blob_talloc(state
,
423 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
424 return tevent_req_post(req
, ev
);
431 case 0x03:/* SMB2_GETINFO_SEC */
433 uint8_t *p_marshalled_sd
= NULL
;
436 status
= smbd_do_query_security_desc(conn
,
439 /* Security info wanted. */
440 in_additional_information
,
441 in_output_buffer_length
,
445 if (NT_STATUS_EQUAL(status
, NT_STATUS_BUFFER_TOO_SMALL
)) {
446 /* Return needed size. */
447 state
->out_output_buffer
= data_blob_talloc(state
,
450 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
451 return tevent_req_post(req
, ev
);
453 SIVAL(state
->out_output_buffer
.data
,0,(uint32_t)sd_size
);
454 state
->status
= NT_STATUS_BUFFER_TOO_SMALL
;
457 if (!NT_STATUS_IS_OK(status
)) {
458 DEBUG(10,("smbd_smb2_getinfo_send: "
459 "smbd_do_query_security_desc of %s failed "
460 "(%s)\n", fsp_str_dbg(fsp
),
462 tevent_req_nterror(req
, status
);
463 return tevent_req_post(req
, ev
);
467 state
->out_output_buffer
= data_blob_talloc(state
,
470 if (tevent_req_nomem(state
->out_output_buffer
.data
, req
)) {
471 return tevent_req_post(req
, ev
);
478 DEBUG(10,("smbd_smb2_getinfo_send: "
479 "unknown in_info_type of %u "
481 (unsigned int)in_info_type
,
484 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
485 return tevent_req_post(req
, ev
);
488 tevent_req_done(req
);
489 return tevent_req_post(req
, ev
);
492 static NTSTATUS
smbd_smb2_getinfo_recv(struct tevent_req
*req
,
494 DATA_BLOB
*out_output_buffer
,
498 struct smbd_smb2_getinfo_state
*state
= tevent_req_data(req
,
499 struct smbd_smb2_getinfo_state
);
501 if (tevent_req_is_nterror(req
, &status
)) {
502 tevent_req_received(req
);
506 *out_output_buffer
= state
->out_output_buffer
;
507 talloc_steal(mem_ctx
, out_output_buffer
->data
);
508 *pstatus
= state
->status
;
510 tevent_req_received(req
);