1 /*
2 Unix SMB/CIFS implementation.
3 client quota functions
4 Copyright (C) Stefan (metze) Metzmacher 2003
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21 #include "libsmb/libsmb.h"
22 #include "../librpc/gen_ndr/ndr_security.h"
23 #include "fake_file.h"
24 #include "../libcli/security/security.h"
25 #include "trans2.h"
26 #include "../libcli/smb/smbXcli_base.h"
27 #include "librpc/gen_ndr/ndr_quota.h"
28
cli_get_quota_handle(struct cli_state * cli,uint16_t * quota_fnum)29 NTSTATUS cli_get_quota_handle(struct cli_state *cli, uint16_t *quota_fnum)
30 {
31 return cli_ntcreate(cli, FAKE_FILE_NAME_QUOTA_WIN32,
32 0x00000016, DESIRED_ACCESS_PIPE,
33 0x00000000, FILE_SHARE_READ|FILE_SHARE_WRITE,
34 FILE_OPEN, 0x00000000, 0x03, quota_fnum, NULL);
35 }
36
free_ntquota_list(SMB_NTQUOTA_LIST ** qt_list)37 void free_ntquota_list(SMB_NTQUOTA_LIST **qt_list)
38 {
39 if (!qt_list || !*qt_list) {
40 return;
41 }
42
43 if ((*qt_list)->mem_ctx)
44 talloc_destroy((*qt_list)->mem_ctx);
45
46 (*qt_list) = NULL;
47
48 return;
49 }
50
add_record_to_ntquota_list(TALLOC_CTX * mem_ctx,SMB_NTQUOTA_STRUCT * pqt,SMB_NTQUOTA_LIST ** pqt_list)51 bool add_record_to_ntquota_list(TALLOC_CTX *mem_ctx,
52 SMB_NTQUOTA_STRUCT *pqt,
53 SMB_NTQUOTA_LIST **pqt_list)
54 {
55 SMB_NTQUOTA_LIST *tmp_list_ent;
56
57 if ((tmp_list_ent = talloc_zero(mem_ctx, SMB_NTQUOTA_LIST)) == NULL) {
58 return false;
59 }
60
61 if ((tmp_list_ent->quotas = talloc_zero(mem_ctx, SMB_NTQUOTA_STRUCT)) ==
62 NULL) {
63 return false;
64 }
65
66 *tmp_list_ent->quotas = *pqt;
67 tmp_list_ent->mem_ctx = mem_ctx;
68
69 DLIST_ADD((*pqt_list), tmp_list_ent);
70
71 return true;
72 }
73
parse_user_quota_record(const uint8_t * rdata,unsigned int rdata_count,unsigned int * offset,SMB_NTQUOTA_STRUCT * pqt)74 bool parse_user_quota_record(const uint8_t *rdata,
75 unsigned int rdata_count,
76 unsigned int *offset,
77 SMB_NTQUOTA_STRUCT *pqt)
78 {
79 struct file_quota_information info = {0};
80 TALLOC_CTX *frame = talloc_stackframe();
81 DATA_BLOB blob;
82 enum ndr_err_code err;
83 bool result = false;
84
85 blob.data = discard_const_p(uint8_t, rdata);
86 blob.length = rdata_count;
87 err = ndr_pull_struct_blob(
88 &blob,
89 frame,
90 &info,
91 (ndr_pull_flags_fn_t)ndr_pull_file_quota_information);
92
93 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
94 goto out;
95 }
96
97 *offset = info.next_entry_offset;
98
99 ZERO_STRUCTP(pqt);
100 pqt->usedspace = info.quota_used;
101
102 pqt->softlim = info.quota_threshold;
103
104 pqt->hardlim = info.quota_limit;
105
106 pqt->qtype = SMB_USER_QUOTA_TYPE;
107 pqt->sid = info.sid;
108 result = true;
109 out:
110 TALLOC_FREE(frame);
111 return result;
112 }
113
parse_user_quota_list(const uint8_t * curdata,uint32_t curdata_count,TALLOC_CTX * mem_ctx,SMB_NTQUOTA_LIST ** pqt_list)114 NTSTATUS parse_user_quota_list(const uint8_t *curdata,
115 uint32_t curdata_count,
116 TALLOC_CTX *mem_ctx,
117 SMB_NTQUOTA_LIST **pqt_list)
118 {
119 NTSTATUS status = NT_STATUS_OK;
120 unsigned offset;
121 SMB_NTQUOTA_STRUCT qt;
122
123 while (true) {
124 ZERO_STRUCT(qt);
125 if (!parse_user_quota_record(curdata, curdata_count, &offset,
126 &qt)) {
127 DEBUG(1, ("Failed to parse the quota record\n"));
128 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
129 break;
130 }
131
132 if (offset > curdata_count) {
133 DEBUG(1, ("out of bounds offset in quota record\n"));
134 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
135 break;
136 }
137
138 if (curdata + offset < curdata) {
139 DEBUG(1, ("Pointer overflow in quota record\n"));
140 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
141 break;
142 }
143
144 if (!add_record_to_ntquota_list(mem_ctx, &qt, pqt_list)) {
145 status = NT_STATUS_NO_MEMORY;
146 break;
147 }
148
149 curdata += offset;
150 curdata_count -= offset;
151
152 if (offset == 0) {
153 break;
154 }
155 }
156
157 return status;
158 }
159
parse_fs_quota_buffer(const uint8_t * rdata,unsigned int rdata_count,SMB_NTQUOTA_STRUCT * pqt)160 NTSTATUS parse_fs_quota_buffer(const uint8_t *rdata,
161 unsigned int rdata_count,
162 SMB_NTQUOTA_STRUCT *pqt)
163 {
164 SMB_NTQUOTA_STRUCT qt;
165
166 ZERO_STRUCT(qt);
167
168 if (rdata_count < 48) {
169 /* minimum length is not enforced by SMB2 client.
170 */
171 DEBUG(1, ("small returned fs quota buffer\n"));
172 return NT_STATUS_INVALID_NETWORK_RESPONSE;
173 }
174
175 /* unknown_1 24 NULL bytes in pdata*/
176
177 /* the soft quotas 8 bytes (uint64_t)*/
178 qt.softlim = BVAL(rdata, 24);
179
180 /* the hard quotas 8 bytes (uint64_t)*/
181 qt.hardlim = BVAL(rdata, 32);
182
183 /* quota_flags 2 bytes **/
184 qt.qflags = SVAL(rdata, 40);
185
186 qt.qtype = SMB_USER_FS_QUOTA_TYPE;
187
188 *pqt = qt;
189
190 return NT_STATUS_OK;
191 }
192
build_user_quota_buffer(SMB_NTQUOTA_LIST * qt_list,uint32_t maxlen,TALLOC_CTX * mem_ctx,DATA_BLOB * outbuf,SMB_NTQUOTA_LIST ** end_ptr)193 NTSTATUS build_user_quota_buffer(SMB_NTQUOTA_LIST *qt_list,
194 uint32_t maxlen,
195 TALLOC_CTX *mem_ctx,
196 DATA_BLOB *outbuf,
197 SMB_NTQUOTA_LIST **end_ptr)
198 {
199 return fill_quota_buffer(mem_ctx,
200 qt_list,
201 false,
202 maxlen,
203 outbuf,
204 end_ptr);
205 }
206
build_fs_quota_buffer(TALLOC_CTX * mem_ctx,const SMB_NTQUOTA_STRUCT * pqt,DATA_BLOB * blob,uint32_t maxlen)207 NTSTATUS build_fs_quota_buffer(TALLOC_CTX *mem_ctx,
208 const SMB_NTQUOTA_STRUCT *pqt,
209 DATA_BLOB *blob,
210 uint32_t maxlen)
211 {
212 uint8_t *buf;
213
214 if (maxlen > 0 && maxlen < 48) {
215 return NT_STATUS_BUFFER_TOO_SMALL;
216 }
217
218 *blob = data_blob_talloc_zero(mem_ctx, 48);
219
220 if (!blob->data) {
221 return NT_STATUS_NO_MEMORY;
222 }
223
224 buf = blob->data;
225
226 /* Unknown1 24 NULL bytes*/
227 SBIG_UINT(buf, 0, (uint64_t)0);
228 SBIG_UINT(buf, 8, (uint64_t)0);
229 SBIG_UINT(buf, 16, (uint64_t)0);
230
231 /* Default Soft Quota 8 bytes */
232 SBIG_UINT(buf, 24, pqt->softlim);
233
234 /* Default Hard Quota 8 bytes */
235 SBIG_UINT(buf, 32, pqt->hardlim);
236
237 /* Quota flag 4 bytes */
238 SIVAL(buf, 40, pqt->qflags);
239
240 /* 4 padding bytes */
241 SIVAL(buf, 44, 0);
242
243 return NT_STATUS_OK;
244 }
245
cli_get_user_quota(struct cli_state * cli,int quota_fnum,SMB_NTQUOTA_STRUCT * pqt)246 NTSTATUS cli_get_user_quota(struct cli_state *cli, int quota_fnum,
247 SMB_NTQUOTA_STRUCT *pqt)
248 {
249 uint16_t setup[1];
250 uint8_t *rparam = NULL, *rdata = NULL;
251 uint32_t rparam_count, rdata_count;
252 unsigned int sid_len;
253 unsigned int offset;
254 struct nttrans_query_quota_params get_quota = {0};
255 struct file_get_quota_info info = {0};
256 enum ndr_err_code err;
257 NTSTATUS status;
258 TALLOC_CTX *frame = talloc_stackframe();
259 DATA_BLOB data_blob = data_blob_null;
260 DATA_BLOB param_blob = data_blob_null;
261
262 if (!cli||!pqt) {
263 smb_panic("cli_get_user_quota() called with NULL Pointer!");
264 }
265
266 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
267 TALLOC_FREE(frame);
268 return cli_smb2_get_user_quota(cli, quota_fnum, pqt);
269 }
270
271 get_quota.fid = quota_fnum;
272 get_quota.return_single_entry = 1;
273 get_quota.restart_scan = 0;
274
275 sid_len = ndr_size_dom_sid(&pqt->sid, 0);
276
277 info.next_entry_offset = 0;
278 info.sid_length = sid_len;
279 info.sid = pqt->sid;
280
281 err = ndr_push_struct_blob(
282 &data_blob,
283 frame,
284 &info,
285 (ndr_push_flags_fn_t)ndr_push_file_get_quota_info);
286
287 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
288 status = NT_STATUS_INTERNAL_ERROR;
289 goto out;
290 }
291
292 get_quota.sid_list_length = data_blob.length;
293 get_quota.start_sid_offset = data_blob.length;
294
295 err = ndr_push_struct_blob(
296 ¶m_blob,
297 frame,
298 &get_quota,
299 (ndr_push_flags_fn_t)ndr_push_nttrans_query_quota_params);
300
301 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
302 status = NT_STATUS_INTERNAL_ERROR;
303 goto out;
304 }
305
306 status = cli_trans(talloc_tos(), cli, SMBnttrans,
307 NULL, -1, /* name, fid */
308 NT_TRANSACT_GET_USER_QUOTA, 0,
309 setup, 1, 0, /* setup */
310 param_blob.data, param_blob.length, 4, /* params */
311 data_blob.data, data_blob.length, 112, /* data */
312 NULL, /* recv_flags2 */
313 NULL, 0, NULL, /* rsetup */
314 &rparam, 4, &rparam_count,
315 &rdata, 8, &rdata_count);
316 if (!NT_STATUS_IS_OK(status)) {
317 DEBUG(1, ("NT_TRANSACT_GET_USER_QUOTA failed: %s\n",
318 nt_errstr(status)));
319 goto out;
320 }
321
322 if (!parse_user_quota_record(rdata, rdata_count, &offset, pqt)) {
323 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
324 DEBUG(0,("Got INVALID NT_TRANSACT_GET_USER_QUOTA reply.\n"));
325 }
326
327 out:
328 TALLOC_FREE(rparam);
329 TALLOC_FREE(rdata);
330 TALLOC_FREE(frame);
331 return status;
332 }
333
334 NTSTATUS
cli_set_user_quota(struct cli_state * cli,int quota_fnum,SMB_NTQUOTA_LIST * qtl)335 cli_set_user_quota(struct cli_state *cli, int quota_fnum, SMB_NTQUOTA_LIST *qtl)
336 {
337 uint16_t setup[1];
338 uint8_t params[2];
339 DATA_BLOB data = data_blob_null;
340 NTSTATUS status;
341
342 if (!cli || !qtl) {
343 smb_panic("cli_set_user_quota() called with NULL Pointer!");
344 }
345
346 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
347 return cli_smb2_set_user_quota(cli, quota_fnum, qtl);
348 }
349
350 status = build_user_quota_buffer(qtl, 0, talloc_tos(), &data, NULL);
351 if (!NT_STATUS_IS_OK(status)) {
352 /*
353 * smb1 doesn't send NT_STATUS_NO_MORE_ENTRIES so swallow
354 * this status.
355 */
356 if (!NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
357 goto cleanup;
358 }
359 }
360
361 SSVAL(setup + 0, 0, NT_TRANSACT_SET_USER_QUOTA);
362
363 SSVAL(params,0,quota_fnum);
364
365 status = cli_trans(talloc_tos(), cli, SMBnttrans,
366 NULL, -1, /* name, fid */
367 NT_TRANSACT_SET_USER_QUOTA, 0,
368 setup, 1, 0, /* setup */
369 params, 2, 0, /* params */
370 data.data, data.length, 0, /* data */
371 NULL, /* recv_flags2 */
372 NULL, 0, NULL, /* rsetup */
373 NULL, 0, NULL, /* rparams */
374 NULL, 0, NULL); /* rdata */
375
376 if (!NT_STATUS_IS_OK(status)) {
377 DEBUG(1, ("NT_TRANSACT_SET_USER_QUOTA failed: %s\n",
378 nt_errstr(status)));
379 }
380
381 cleanup:
382 data_blob_free(&data);
383 return status;
384 }
385
cli_list_user_quota_step(struct cli_state * cli,TALLOC_CTX * mem_ctx,int quota_fnum,SMB_NTQUOTA_LIST ** pqt_list,bool first)386 static NTSTATUS cli_list_user_quota_step(struct cli_state *cli,
387 TALLOC_CTX *mem_ctx,
388 int quota_fnum,
389 SMB_NTQUOTA_LIST **pqt_list,
390 bool first)
391 {
392 uint16_t setup[1];
393 DATA_BLOB params_blob = data_blob_null;
394 uint8_t *rparam=NULL, *rdata=NULL;
395 uint32_t rparam_count=0, rdata_count=0;
396 NTSTATUS status;
397 struct nttrans_query_quota_params quota_params = {0};
398 enum ndr_err_code err;
399
400 TALLOC_CTX *frame = NULL;
401 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
402 return cli_smb2_list_user_quota_step(cli, mem_ctx, quota_fnum,
403 pqt_list, first);
404 }
405 frame = talloc_stackframe();
406
407 SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
408
409 quota_params.fid = quota_fnum;
410 if (first) {
411 quota_params.restart_scan = 1;
412 }
413 err = ndr_push_struct_blob(
414 ¶ms_blob,
415 frame,
416 "a_params,
417 (ndr_push_flags_fn_t)ndr_push_nttrans_query_quota_params);
418
419 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
420 status = NT_STATUS_INVALID_PARAMETER;
421 goto cleanup;
422 }
423
424 status = cli_trans(talloc_tos(), cli, SMBnttrans,
425 NULL, -1, /* name, fid */
426 NT_TRANSACT_GET_USER_QUOTA, 0,
427 setup, 1, 0, /* setup */
428 params_blob.data, params_blob.length, 4, /* params */
429 NULL, 0, 2048, /* data */
430 NULL, /* recv_flags2 */
431 NULL, 0, NULL, /* rsetup */
432 &rparam, 0, &rparam_count,
433 &rdata, 0, &rdata_count);
434
435 /* compat. with smbd + safeguard against
436 * endless loop
437 */
438 if (NT_STATUS_IS_OK(status) && rdata_count == 0) {
439 status = NT_STATUS_NO_MORE_ENTRIES;
440 }
441
442 if (!NT_STATUS_IS_OK(status)) {
443 goto cleanup;
444 }
445
446 status = parse_user_quota_list(rdata, rdata_count, mem_ctx, pqt_list);
447
448 cleanup:
449 TALLOC_FREE(rparam);
450 TALLOC_FREE(rdata);
451 TALLOC_FREE(frame);
452
453 return status;
454 }
455
cli_list_user_quota(struct cli_state * cli,int quota_fnum,SMB_NTQUOTA_LIST ** pqt_list)456 NTSTATUS cli_list_user_quota(struct cli_state *cli,
457 int quota_fnum,
458 SMB_NTQUOTA_LIST **pqt_list)
459 {
460 NTSTATUS status;
461 TALLOC_CTX *mem_ctx = NULL;
462 bool first = true;
463
464 if (!cli || !pqt_list) {
465 smb_panic("cli_list_user_quota() called with NULL Pointer!");
466 }
467
468 *pqt_list = NULL;
469
470 if ((mem_ctx = talloc_init("SMB_USER_QUOTA_LIST")) == NULL) {
471 return NT_STATUS_NO_MEMORY;
472 }
473
474 do {
475 status = cli_list_user_quota_step(cli, mem_ctx, quota_fnum,
476 pqt_list, first);
477 first = false;
478 } while (NT_STATUS_IS_OK(status));
479
480 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
481 status = NT_STATUS_OK;
482 }
483
484 if (!NT_STATUS_IS_OK(status) || *pqt_list == NULL) {
485 TALLOC_FREE(mem_ctx);
486 }
487
488 return status;
489 }
490
cli_get_fs_quota_info(struct cli_state * cli,int quota_fnum,SMB_NTQUOTA_STRUCT * pqt)491 NTSTATUS cli_get_fs_quota_info(struct cli_state *cli, int quota_fnum,
492 SMB_NTQUOTA_STRUCT *pqt)
493 {
494 uint16_t setup[1];
495 uint8_t param[2];
496 uint8_t *rdata=NULL;
497 uint32_t rdata_count=0;
498 NTSTATUS status;
499
500 if (!cli||!pqt) {
501 smb_panic("cli_get_fs_quota_info() called with NULL Pointer!");
502 }
503
504 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
505 return cli_smb2_get_fs_quota_info(cli, quota_fnum, pqt);
506 }
507
508 SSVAL(setup + 0, 0, TRANSACT2_QFSINFO);
509
510 SSVAL(param,0,SMB_FS_QUOTA_INFORMATION);
511
512 status = cli_trans(talloc_tos(), cli, SMBtrans2,
513 NULL, -1, /* name, fid */
514 0, 0, /* function, flags */
515 setup, 1, 0, /* setup */
516 param, 2, 0, /* param */
517 NULL, 0, 560, /* data */
518 NULL, /* recv_flags2 */
519 NULL, 0, NULL, /* rsetup */
520 NULL, 0, NULL, /* rparam */
521 &rdata, 48, &rdata_count);
522
523 if (!NT_STATUS_IS_OK(status)) {
524 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
525 nt_errstr(status)));
526 return status;
527 }
528
529 status = parse_fs_quota_buffer(rdata, rdata_count, pqt);
530
531 TALLOC_FREE(rdata);
532 return status;
533 }
534
cli_set_fs_quota_info(struct cli_state * cli,int quota_fnum,SMB_NTQUOTA_STRUCT * pqt)535 NTSTATUS cli_set_fs_quota_info(struct cli_state *cli, int quota_fnum,
536 SMB_NTQUOTA_STRUCT *pqt)
537 {
538 uint16_t setup[1];
539 uint8_t param[4];
540 DATA_BLOB data = data_blob_null;
541 NTSTATUS status;
542
543 if (!cli||!pqt) {
544 smb_panic("cli_set_fs_quota_info() called with NULL Pointer!");
545 }
546
547 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
548 return cli_smb2_set_fs_quota_info(cli, quota_fnum, pqt);
549 }
550
551 status = build_fs_quota_buffer(talloc_tos(), pqt, &data, 0);
552 if (!NT_STATUS_IS_OK(status)) {
553 return status;
554 }
555
556 SSVAL(setup + 0, 0,TRANSACT2_SETFSINFO);
557
558 SSVAL(param,0,quota_fnum);
559 SSVAL(param,2,SMB_FS_QUOTA_INFORMATION);
560
561 status = cli_trans(talloc_tos(), cli, SMBtrans2,
562 NULL, -1, /* name, fid */
563 0, 0, /* function, flags */
564 setup, 1, 0, /* setup */
565 param, 4, 0, /* param */
566 data.data, data.length, 0, /* data */
567 NULL, /* recv_flags2 */
568 NULL, 0, NULL, /* rsetup */
569 NULL, 0, NULL, /* rparam */
570 NULL, 0, NULL); /* rdata */
571
572 if (!NT_STATUS_IS_OK(status)) {
573 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
574 nt_errstr(status)));
575 }
576
577 return status;
578 }
579
fill_quota_buffer(TALLOC_CTX * mem_ctx,SMB_NTQUOTA_LIST * qlist,bool return_single,uint32_t max_data,DATA_BLOB * blob,SMB_NTQUOTA_LIST ** end_ptr)580 NTSTATUS fill_quota_buffer(TALLOC_CTX *mem_ctx,
581 SMB_NTQUOTA_LIST *qlist,
582 bool return_single,
583 uint32_t max_data,
584 DATA_BLOB *blob,
585 SMB_NTQUOTA_LIST **end_ptr)
586 {
587 int ndr_flags = NDR_SCALARS | NDR_BUFFERS;
588 struct ndr_push *qndr = NULL;
589 uint32_t start_offset = 0;
590 uint32_t padding = 0;
591 if (qlist == NULL) {
592 /* We must push at least one. */
593 return NT_STATUS_NO_MORE_ENTRIES;
594 }
595
596 qndr = ndr_push_init_ctx(mem_ctx);
597 if (qndr == NULL) {
598 return NT_STATUS_NO_MEMORY;
599 }
600
601 for (;qlist != NULL; qlist = qlist->next) {
602 struct file_quota_information info = {0};
603 enum ndr_err_code err;
604 uint32_t dsize = sizeof(info.next_entry_offset)
605 + sizeof(info.sid_length)
606 + sizeof(info.change_time)
607 + sizeof(info.quota_used)
608 + sizeof(info.quota_threshold)
609 + sizeof(info.quota_limit);
610
611
612 info.sid_length = ndr_size_dom_sid(&qlist->quotas->sid, 0);
613
614 if (max_data) {
615 uint32_t curr_pos_no_padding = qndr->offset - padding;
616 uint32_t payload = dsize + info.sid_length;
617 uint32_t new_pos = (curr_pos_no_padding + payload);
618 if (new_pos < curr_pos_no_padding) {
619 /* Detect unlikely integer wrap */
620 DBG_ERR("Integer wrap while adjusting pos "
621 "0x%x by offset 0x%x\n",
622 curr_pos_no_padding, payload);
623 return NT_STATUS_INTERNAL_ERROR;
624 }
625 if (new_pos > max_data) {
626 DBG_WARNING("Max data will be exceeded "
627 "writing next query info. "
628 "cur_pos 0x%x, sid_length 0x%x, "
629 "dsize 0x%x, max_data 0x%x\n",
630 curr_pos_no_padding,
631 info.sid_length,
632 dsize,
633 max_data);
634 break;
635 }
636 }
637
638 start_offset = qndr->offset;
639 info.sid = qlist->quotas->sid;
640 info.quota_used = qlist->quotas->usedspace;
641 info.quota_threshold = qlist->quotas->softlim;
642 info.quota_limit = qlist->quotas->hardlim;
643
644 err = ndr_push_file_quota_information(qndr,
645 ndr_flags,
646 &info);
647
648 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
649 DBG_DEBUG("Failed to push the quota sid\n");
650 return NT_STATUS_INTERNAL_ERROR;
651 }
652
653 /* pidl will align to 8 bytes due to 8 byte members*/
654 /* Remember how much align padding we've used. */
655 padding = qndr->offset;
656
657 err = ndr_push_align(qndr, 8);
658 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
659 DBG_DEBUG("ndr_push_align returned %s\n",
660 ndr_map_error2string(err));
661 return ndr_map_error2ntstatus(err);
662 }
663
664 padding = qndr->offset - padding;
665
666 /*
667 * Overwrite next_entry_offset for this entry now
668 * we know what it should be. We know we're using
669 * LIBNDR_FLAG_LITTLE_ENDIAN here so we can use
670 * SIVAL.
671 */
672 info.next_entry_offset = qndr->offset - start_offset;
673 SIVAL(qndr->data, start_offset, info.next_entry_offset);
674
675 if (return_single) {
676 break;
677 }
678 }
679
680 if (end_ptr != NULL) {
681 *end_ptr = qlist;
682 }
683
684 /* Remove the padding alignment on the last element pushed. */
685 blob->length = qndr->offset - padding;
686 blob->data = qndr->data;
687
688 /*
689 * Terminate the pushed array by setting next_entry_offset
690 * for the last element to zero.
691 */
692 if (blob->length >= sizeof(uint32_t)) {
693 SIVAL(qndr->data, start_offset, 0);
694 }
695 return NT_STATUS_OK;
696 }
697