2 Unix SMB/CIFS implementation.
4 Copyright (C) Stefan (metze) Metzmacher 2003
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.
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.
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/>.
21 #include "libsmb/libsmb.h"
22 #include "../librpc/gen_ndr/ndr_security.h"
23 #include "fake_file.h"
24 #include "../libcli/security/security.h"
26 #include "../libcli/smb/smbXcli_base.h"
27 #include "librpc/gen_ndr/ndr_quota.h"
29 NTSTATUS cli_get_quota_handle(struct cli_state *cli, uint16_t *quota_fnum)
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);
37 void free_ntquota_list(SMB_NTQUOTA_LIST **qt_list)
39 if (!qt_list || !*qt_list) {
43 if ((*qt_list)->mem_ctx)
44 talloc_destroy((*qt_list)->mem_ctx);
51 bool add_record_to_ntquota_list(TALLOC_CTX *mem_ctx,
52 SMB_NTQUOTA_STRUCT *pqt,
53 SMB_NTQUOTA_LIST **pqt_list)
55 SMB_NTQUOTA_LIST *tmp_list_ent;
57 if ((tmp_list_ent = talloc_zero(mem_ctx, SMB_NTQUOTA_LIST)) == NULL) {
61 if ((tmp_list_ent->quotas = talloc_zero(mem_ctx, SMB_NTQUOTA_STRUCT)) ==
66 *tmp_list_ent->quotas = *pqt;
67 tmp_list_ent->mem_ctx = mem_ctx;
69 DLIST_ADD((*pqt_list), tmp_list_ent);
74 bool parse_user_quota_record(const uint8_t *rdata,
75 unsigned int rdata_count,
77 SMB_NTQUOTA_STRUCT *pqt)
79 struct file_quota_information info = {0};
80 TALLOC_CTX *frame = talloc_stackframe();
82 enum ndr_err_code err;
85 blob.data = discard_const_p(uint8_t, rdata);
86 blob.length = rdata_count;
87 err = ndr_pull_struct_blob(
91 (ndr_pull_flags_fn_t)ndr_pull_file_quota_information);
93 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
97 *offset = info.next_entry_offset;
100 pqt->usedspace = info.quota_used;
102 pqt->softlim = info.quota_threshold;
104 pqt->hardlim = info.quota_limit;
106 pqt->qtype = SMB_USER_QUOTA_TYPE;
114 NTSTATUS parse_user_quota_list(const uint8_t *curdata,
115 uint32_t curdata_count,
117 SMB_NTQUOTA_LIST **pqt_list)
119 NTSTATUS status = NT_STATUS_OK;
121 SMB_NTQUOTA_STRUCT qt;
125 if (!parse_user_quota_record(curdata, curdata_count, &offset,
127 DEBUG(1, ("Failed to parse the quota record\n"));
128 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
132 if (offset > curdata_count) {
133 DEBUG(1, ("out of bounds offset in quota record\n"));
134 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
138 if (curdata + offset < curdata) {
139 DEBUG(1, ("Pointer overflow in quota record\n"));
140 status = NT_STATUS_INVALID_NETWORK_RESPONSE;
144 if (!add_record_to_ntquota_list(mem_ctx, &qt, pqt_list)) {
145 status = NT_STATUS_NO_MEMORY;
150 curdata_count -= offset;
160 NTSTATUS parse_fs_quota_buffer(const uint8_t *rdata,
161 unsigned int rdata_count,
162 SMB_NTQUOTA_STRUCT *pqt)
164 SMB_NTQUOTA_STRUCT qt;
168 if (rdata_count < 48) {
169 /* minimum length is not enforced by SMB2 client.
171 DEBUG(1, ("small returned fs quota buffer\n"));
172 return NT_STATUS_INVALID_NETWORK_RESPONSE;
175 /* unknown_1 24 NULL bytes in pdata*/
177 /* the soft quotas 8 bytes (uint64_t)*/
178 qt.softlim = BVAL(rdata, 24);
180 /* the hard quotas 8 bytes (uint64_t)*/
181 qt.hardlim = BVAL(rdata, 32);
183 /* quota_flags 2 bytes **/
184 qt.qflags = SVAL(rdata, 40);
186 qt.qtype = SMB_USER_FS_QUOTA_TYPE;
193 NTSTATUS build_user_quota_buffer(SMB_NTQUOTA_LIST *qt_list,
197 SMB_NTQUOTA_LIST **end_ptr)
199 return fill_quota_buffer(mem_ctx,
207 NTSTATUS build_fs_quota_buffer(TALLOC_CTX *mem_ctx,
208 const SMB_NTQUOTA_STRUCT *pqt,
214 if (maxlen > 0 && maxlen < 48) {
215 return NT_STATUS_BUFFER_TOO_SMALL;
218 *blob = data_blob_talloc_zero(mem_ctx, 48);
221 return NT_STATUS_NO_MEMORY;
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);
231 /* Default Soft Quota 8 bytes */
232 SBIG_UINT(buf, 24, pqt->softlim);
234 /* Default Hard Quota 8 bytes */
235 SBIG_UINT(buf, 32, pqt->hardlim);
237 /* Quota flag 4 bytes */
238 SIVAL(buf, 40, pqt->qflags);
240 /* 4 padding bytes */
246 NTSTATUS cli_get_user_quota(struct cli_state *cli, int quota_fnum,
247 SMB_NTQUOTA_STRUCT *pqt)
250 uint8_t *rparam = NULL, *rdata = NULL;
251 uint32_t rparam_count, rdata_count;
252 unsigned int sid_len;
254 struct nttrans_query_quota_params get_quota = {0};
255 struct file_get_quota_info info = {0};
256 enum ndr_err_code err;
258 TALLOC_CTX *frame = talloc_stackframe();
259 DATA_BLOB data_blob = data_blob_null;
260 DATA_BLOB param_blob = data_blob_null;
263 smb_panic("cli_get_user_quota() called with NULL Pointer!");
266 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
268 return cli_smb2_get_user_quota(cli, quota_fnum, pqt);
271 get_quota.fid = quota_fnum;
272 get_quota.return_single_entry = 1;
273 get_quota.restart_scan = 0;
275 sid_len = ndr_size_dom_sid(&pqt->sid, 0);
277 info.next_entry_offset = 0;
278 info.sid_length = sid_len;
281 err = ndr_push_struct_blob(
285 (ndr_push_flags_fn_t)ndr_push_file_get_quota_info);
287 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
288 status = NT_STATUS_INTERNAL_ERROR;
292 get_quota.sid_list_length = data_blob.length;
293 get_quota.start_sid_offset = data_blob.length;
295 err = ndr_push_struct_blob(
299 (ndr_push_flags_fn_t)ndr_push_nttrans_query_quota_params);
301 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
302 status = NT_STATUS_INTERNAL_ERROR;
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",
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"));
335 cli_set_user_quota(struct cli_state *cli, int quota_fnum, SMB_NTQUOTA_LIST *qtl)
339 DATA_BLOB data = data_blob_null;
343 smb_panic("cli_set_user_quota() called with NULL Pointer!");
346 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
347 return cli_smb2_set_user_quota(cli, quota_fnum, qtl);
350 status = build_user_quota_buffer(qtl, 0, talloc_tos(), &data, NULL);
351 if (!NT_STATUS_IS_OK(status)) {
353 * smb1 doesn't send NT_STATUS_NO_MORE_ENTRIES so swallow
356 if (!NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
361 SSVAL(setup + 0, 0, NT_TRANSACT_SET_USER_QUOTA);
363 SSVAL(params,0,quota_fnum);
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 */
376 if (!NT_STATUS_IS_OK(status)) {
377 DEBUG(1, ("NT_TRANSACT_SET_USER_QUOTA failed: %s\n",
382 data_blob_free(&data);
386 static NTSTATUS cli_list_user_quota_step(struct cli_state *cli,
389 SMB_NTQUOTA_LIST **pqt_list,
393 DATA_BLOB params_blob = data_blob_null;
394 uint8_t *rparam=NULL, *rdata=NULL;
395 uint32_t rparam_count=0, rdata_count=0;
397 struct nttrans_query_quota_params quota_params = {0};
398 enum ndr_err_code err;
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,
405 frame = talloc_stackframe();
407 SSVAL(setup + 0, 0, NT_TRANSACT_GET_USER_QUOTA);
409 quota_params.fid = quota_fnum;
411 quota_params.restart_scan = 1;
413 err = ndr_push_struct_blob(
417 (ndr_push_flags_fn_t)ndr_push_nttrans_query_quota_params);
419 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
420 status = NT_STATUS_INVALID_PARAMETER;
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);
435 /* compat. with smbd + safeguard against
438 if (NT_STATUS_IS_OK(status) && rdata_count == 0) {
439 status = NT_STATUS_NO_MORE_ENTRIES;
442 if (!NT_STATUS_IS_OK(status)) {
446 status = parse_user_quota_list(rdata, rdata_count, mem_ctx, pqt_list);
456 NTSTATUS cli_list_user_quota(struct cli_state *cli,
458 SMB_NTQUOTA_LIST **pqt_list)
461 TALLOC_CTX *mem_ctx = NULL;
464 if (!cli || !pqt_list) {
465 smb_panic("cli_list_user_quota() called with NULL Pointer!");
470 if ((mem_ctx = talloc_init("SMB_USER_QUOTA_LIST")) == NULL) {
471 return NT_STATUS_NO_MEMORY;
475 status = cli_list_user_quota_step(cli, mem_ctx, quota_fnum,
478 } while (NT_STATUS_IS_OK(status));
480 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
481 status = NT_STATUS_OK;
484 if (!NT_STATUS_IS_OK(status) || *pqt_list == NULL) {
485 TALLOC_FREE(mem_ctx);
491 NTSTATUS cli_get_fs_quota_info(struct cli_state *cli, int quota_fnum,
492 SMB_NTQUOTA_STRUCT *pqt)
497 uint32_t rdata_count=0;
501 smb_panic("cli_get_fs_quota_info() called with NULL Pointer!");
504 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
505 return cli_smb2_get_fs_quota_info(cli, quota_fnum, pqt);
508 SSVAL(setup + 0, 0, TRANSACT2_QFSINFO);
510 SSVAL(param,0,SMB_FS_QUOTA_INFORMATION);
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);
523 if (!NT_STATUS_IS_OK(status)) {
524 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
529 status = parse_fs_quota_buffer(rdata, rdata_count, pqt);
535 NTSTATUS cli_set_fs_quota_info(struct cli_state *cli, int quota_fnum,
536 SMB_NTQUOTA_STRUCT *pqt)
540 DATA_BLOB data = data_blob_null;
544 smb_panic("cli_set_fs_quota_info() called with NULL Pointer!");
547 if (smbXcli_conn_protocol(cli->conn) >= PROTOCOL_SMB2_02) {
548 return cli_smb2_set_fs_quota_info(cli, quota_fnum, pqt);
551 status = build_fs_quota_buffer(talloc_tos(), pqt, &data, 0);
552 if (!NT_STATUS_IS_OK(status)) {
556 SSVAL(setup + 0, 0,TRANSACT2_SETFSINFO);
558 SSVAL(param,0,quota_fnum);
559 SSVAL(param,2,SMB_FS_QUOTA_INFORMATION);
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 */
572 if (!NT_STATUS_IS_OK(status)) {
573 DEBUG(1, ("SMB_FS_QUOTA_INFORMATION failed: %s\n",
580 NTSTATUS fill_quota_buffer(TALLOC_CTX *mem_ctx,
581 SMB_NTQUOTA_LIST *qlist,
585 SMB_NTQUOTA_LIST **end_ptr)
587 ndr_flags_type ndr_flags = NDR_SCALARS | NDR_BUFFERS;
588 struct ndr_push *qndr = NULL;
589 uint32_t start_offset = 0;
590 uint32_t padding = 0;
592 /* We must push at least one. */
593 return NT_STATUS_NO_MORE_ENTRIES;
596 qndr = ndr_push_init_ctx(mem_ctx);
598 return NT_STATUS_NO_MEMORY;
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);
612 info.sid_length = ndr_size_dom_sid(&qlist->quotas->sid, 0);
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;
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",
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;
644 err = ndr_push_file_quota_information(qndr,
648 if (!NDR_ERR_CODE_IS_SUCCESS(err)) {
649 DBG_DEBUG("Failed to push the quota sid\n");
650 return NT_STATUS_INTERNAL_ERROR;
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;
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);
664 padding = qndr->offset - padding;
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
672 info.next_entry_offset = qndr->offset - start_offset;
673 SIVAL(qndr->data, start_offset, info.next_entry_offset);
680 if (end_ptr != NULL) {
684 /* Remove the padding alignment on the last element pushed. */
685 blob->length = qndr->offset - padding;
686 blob->data = qndr->data;
689 * Terminate the pushed array by setting next_entry_offset
690 * for the last element to zero.
692 if (blob->length >= sizeof(uint32_t)) {
693 SIVAL(qndr->data, start_offset, 0);