2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-2007
5 Copyright (C) Stefan (metze) Metzmacher 2003
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/filesys.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "fake_file.h"
26 #include "../libcli/security/security.h"
27 #include "../librpc/gen_ndr/ndr_security.h"
28 #include "passdb/lookup_sid.h"
30 #include "smbprofile.h"
31 #include "libsmb/libsmb.h"
32 #include "lib/util_ea.h"
34 extern const struct generic_mapping file_generic_mapping;
36 static char *nttrans_realloc(char **ptr, size_t size)
39 smb_panic("nttrans_realloc() called with NULL ptr");
42 *ptr = (char *)SMB_REALLOC(*ptr, size);
46 memset(*ptr,'\0',size);
50 /****************************************************************************
51 Send the required number of replies back.
52 We assume all fields other than the data fields are
53 set correctly for the type of call.
54 HACK ! Always assumes smb_setup field is zero.
55 ****************************************************************************/
57 static void send_nt_replies(connection_struct *conn,
58 struct smb_request *req, NTSTATUS nt_error,
59 char *params, int paramsize,
60 char *pdata, int datasize)
62 int data_to_send = datasize;
63 int params_to_send = paramsize;
67 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
68 int alignment_offset = 1;
69 int data_alignment_offset = 0;
70 struct smbXsrv_connection *xconn = req->xconn;
71 int max_send = xconn->smb1.sessions.max_send;
74 * If there genuinely are no parameters or data to send just send
78 if(params_to_send == 0 && data_to_send == 0) {
79 reply_outbuf(req, 18, 0);
80 if (NT_STATUS_V(nt_error)) {
81 error_packet_set((char *)req->outbuf,
85 show_msg((char *)req->outbuf);
86 if (!srv_send_smb(xconn,
89 IS_CONN_ENCRYPTED(conn),
91 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
93 TALLOC_FREE(req->outbuf);
98 * When sending params and data ensure that both are nicely aligned.
99 * Only do this alignment when there is also data to send - else
100 * can cause NT redirector problems.
103 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
104 data_alignment_offset = 4 - (params_to_send % 4);
108 * Space is bufsize minus Netbios over TCP header minus SMB header.
109 * The alignment_offset is to align the param bytes on a four byte
110 * boundary (2 bytes for data len, one byte pad).
111 * NT needs this to work correctly.
114 useable_space = max_send - (smb_size
117 + data_alignment_offset);
119 if (useable_space < 0) {
120 char *msg = talloc_asprintf(
122 "send_nt_replies failed sanity useable_space = %d!!!",
124 DEBUG(0, ("%s\n", msg));
125 exit_server_cleanly(msg);
128 while (params_to_send || data_to_send) {
131 * Calculate whether we will totally or partially fill this packet.
134 total_sent_thistime = params_to_send + data_to_send;
137 * We can never send more than useable_space.
140 total_sent_thistime = MIN(total_sent_thistime, useable_space);
142 reply_outbuf(req, 18,
143 total_sent_thistime + alignment_offset
144 + data_alignment_offset);
147 * Set total params and data to be sent.
150 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
151 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
154 * Calculate how many parameters and data we can fit into
155 * this packet. Parameters get precedence.
158 params_sent_thistime = MIN(params_to_send,useable_space);
159 data_sent_thistime = useable_space - params_sent_thistime;
160 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
162 SIVAL(req->outbuf, smb_ntr_ParameterCount,
163 params_sent_thistime);
165 if(params_sent_thistime == 0) {
166 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
167 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
170 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
171 * parameter bytes, however the first 4 bytes of outbuf are
172 * the Netbios over TCP header. Thus use smb_base() to subtract
173 * them from the calculation.
176 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
177 ((smb_buf(req->outbuf)+alignment_offset)
178 - smb_base(req->outbuf)));
180 * Absolute displacement of param bytes sent in this packet.
183 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
188 * Deal with the data portion.
191 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
193 if(data_sent_thistime == 0) {
194 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
195 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
198 * The offset of the data bytes is the offset of the
199 * parameter bytes plus the number of parameters being sent this time.
202 SIVAL(req->outbuf, smb_ntr_DataOffset,
203 ((smb_buf(req->outbuf)+alignment_offset) -
204 smb_base(req->outbuf))
205 + params_sent_thistime + data_alignment_offset);
206 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
210 * Copy the param bytes into the packet.
213 if(params_sent_thistime) {
214 if (alignment_offset != 0) {
215 memset(smb_buf(req->outbuf), 0,
218 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
219 params_sent_thistime);
223 * Copy in the data bytes
226 if(data_sent_thistime) {
227 if (data_alignment_offset != 0) {
228 memset((smb_buf(req->outbuf)+alignment_offset+
229 params_sent_thistime), 0,
230 data_alignment_offset);
232 memcpy(smb_buf(req->outbuf)+alignment_offset
233 +params_sent_thistime+data_alignment_offset,
234 pd,data_sent_thistime);
237 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
238 params_sent_thistime, data_sent_thistime, useable_space));
239 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
240 params_to_send, data_to_send, paramsize, datasize));
242 if (NT_STATUS_V(nt_error)) {
243 error_packet_set((char *)req->outbuf,
248 /* Send the packet */
249 show_msg((char *)req->outbuf);
250 if (!srv_send_smb(xconn,
253 IS_CONN_ENCRYPTED(conn),
255 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
258 TALLOC_FREE(req->outbuf);
260 pp += params_sent_thistime;
261 pd += data_sent_thistime;
263 params_to_send -= params_sent_thistime;
264 data_to_send -= data_sent_thistime;
270 if(params_to_send < 0 || data_to_send < 0) {
271 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
272 params_to_send, data_to_send));
273 exit_server_cleanly("send_nt_replies: internal error");
278 /****************************************************************************
279 Reply to an NT create and X call on a pipe
280 ****************************************************************************/
282 static void nt_open_pipe(char *fname, connection_struct *conn,
283 struct smb_request *req, uint16_t *ppnum)
288 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
290 /* Strip \\ off the name if present. */
291 while (fname[0] == '\\') {
295 status = open_np_file(req, fname, &fsp);
296 if (!NT_STATUS_IS_OK(status)) {
297 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
298 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
302 reply_nterror(req, status);
310 /****************************************************************************
311 Reply to an NT create and X call for pipes.
312 ****************************************************************************/
314 static void do_ntcreate_pipe_open(connection_struct *conn,
315 struct smb_request *req)
318 uint16_t pnum = FNUM_FIELD_INVALID;
320 uint32_t flags = IVAL(req->vwv+3, 1);
321 TALLOC_CTX *ctx = talloc_tos();
323 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
326 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
330 nt_open_pipe(fname, conn, req, &pnum);
338 * Deal with pipe return.
341 if (flags & EXTENDED_RESPONSE_REQUIRED) {
342 /* This is very strange. We
343 * return 50 words, but only set
344 * the wcnt to 42 ? It's definitely
345 * what happens on the wire....
347 reply_outbuf(req, 50, 0);
348 SCVAL(req->outbuf,smb_wct,42);
350 reply_outbuf(req, 34, 0);
353 SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
354 SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
356 p = (char *)req->outbuf + smb_vwv2;
360 SIVAL(p,0,FILE_WAS_OPENED);
363 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
366 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
368 SSVAL(p,2, 0x5FF); /* ? */
371 if (flags & EXTENDED_RESPONSE_REQUIRED) {
373 SIVAL(p,0,FILE_GENERIC_ALL);
375 * For pipes W2K3 seems to return
377 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
379 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
382 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
385 struct case_semantics_state {
386 connection_struct *conn;
389 bool short_case_preserve;
392 /****************************************************************************
393 Restore case semantics.
394 ****************************************************************************/
396 static int restore_case_semantics(struct case_semantics_state *state)
398 state->conn->case_sensitive = state->case_sensitive;
399 state->conn->case_preserve = state->case_preserve;
400 state->conn->short_case_preserve = state->short_case_preserve;
404 /****************************************************************************
406 ****************************************************************************/
408 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
409 connection_struct *conn)
411 struct case_semantics_state *result;
413 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
418 result->case_sensitive = conn->case_sensitive;
419 result->case_preserve = conn->case_preserve;
420 result->short_case_preserve = conn->short_case_preserve;
423 conn->case_sensitive = True;
424 conn->case_preserve = True;
425 conn->short_case_preserve = True;
427 talloc_set_destructor(result, restore_case_semantics);
432 /****************************************************************************
433 Reply to an NT create and X call.
434 ****************************************************************************/
436 void reply_ntcreate_and_X(struct smb_request *req)
438 connection_struct *conn = req->conn;
439 struct smb_filename *smb_fname = NULL;
442 uint32_t access_mask;
443 uint32_t file_attributes;
444 uint32_t share_access;
445 uint32_t create_disposition;
446 uint32_t create_options;
447 uint16_t root_dir_fid;
448 uint64_t allocation_size;
449 /* Breakout the oplock request bits so we can set the
450 reply bits separately. */
454 files_struct *fsp = NULL;
456 struct timespec create_timespec;
457 struct timespec c_timespec;
458 struct timespec a_timespec;
459 struct timespec m_timespec;
462 uint8_t oplock_granted = NO_OPLOCK_RETURN;
463 struct case_semantics_state *case_state = NULL;
464 uint32_t ucf_flags = UCF_PREP_CREATEFILE |
465 (req->posix_pathnames ? UCF_POSIX_PATHNAMES : 0);
466 TALLOC_CTX *ctx = talloc_tos();
468 START_PROFILE(SMBntcreateX);
471 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
475 flags = IVAL(req->vwv+3, 1);
476 access_mask = IVAL(req->vwv+7, 1);
477 file_attributes = IVAL(req->vwv+13, 1);
478 share_access = IVAL(req->vwv+15, 1);
479 create_disposition = IVAL(req->vwv+17, 1);
480 create_options = IVAL(req->vwv+19, 1);
481 root_dir_fid = (uint16_t)IVAL(req->vwv+5, 1);
483 allocation_size = BVAL(req->vwv+9, 1);
485 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
486 STR_TERMINATE, &status);
488 if (!NT_STATUS_IS_OK(status)) {
489 reply_nterror(req, status);
493 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
494 "file_attributes = 0x%x, share_access = 0x%x, "
495 "create_disposition = 0x%x create_options = 0x%x "
496 "root_dir_fid = 0x%x, fname = %s\n",
498 (unsigned int)access_mask,
499 (unsigned int)file_attributes,
500 (unsigned int)share_access,
501 (unsigned int)create_disposition,
502 (unsigned int)create_options,
503 (unsigned int)root_dir_fid,
507 * we need to remove ignored bits when they come directly from the client
508 * because we reuse some of them for internal stuff
510 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
513 * If it's an IPC, use the pipe handler.
517 if (lp_nt_pipe_support()) {
518 do_ntcreate_pipe_open(conn, req);
521 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
525 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
526 if (oplock_request) {
527 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
531 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
532 case_state = set_posix_case_semantics(ctx, conn);
534 reply_nterror(req, NT_STATUS_NO_MEMORY);
539 status = filename_convert(ctx,
541 req->flags2 & FLAGS2_DFS_PATHNAMES,
547 TALLOC_FREE(case_state);
549 if (!NT_STATUS_IS_OK(status)) {
550 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
552 NT_STATUS_PATH_NOT_COVERED,
556 reply_nterror(req, status);
561 * Bug #6898 - clients using Windows opens should
562 * never be able to set this attribute into the
565 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
567 status = SMB_VFS_CREATE_FILE(
570 root_dir_fid, /* root_dir_fid */
571 smb_fname, /* fname */
572 access_mask, /* access_mask */
573 share_access, /* share_access */
574 create_disposition, /* create_disposition*/
575 create_options, /* create_options */
576 file_attributes, /* file_attributes */
577 oplock_request, /* oplock_request */
579 allocation_size, /* allocation_size */
580 0, /* private_flags */
585 NULL, NULL); /* create context */
587 if (!NT_STATUS_IS_OK(status)) {
588 if (open_was_deferred(req->xconn, req->mid)) {
589 /* We have re-scheduled this call, no error. */
592 reply_openerror(req, status);
596 /* Ensure we're pointing at the correct stat struct. */
597 TALLOC_FREE(smb_fname);
598 smb_fname = fsp->fsp_name;
601 * If the caller set the extended oplock request bit
602 * and we granted one (by whatever means) - set the
603 * correct bit for extended oplock reply.
606 if (oplock_request &&
607 (lp_fake_oplocks(SNUM(conn))
608 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
611 * Exclusive oplock granted
614 if (flags & REQUEST_BATCH_OPLOCK) {
615 oplock_granted = BATCH_OPLOCK_RETURN;
617 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
619 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
620 oplock_granted = LEVEL_II_OPLOCK_RETURN;
622 oplock_granted = NO_OPLOCK_RETURN;
625 file_len = smb_fname->st.st_ex_size;
627 if (flags & EXTENDED_RESPONSE_REQUIRED) {
628 /* This is very strange. We
629 * return 50 words, but only set
630 * the wcnt to 42 ? It's definitely
631 * what happens on the wire....
633 reply_outbuf(req, 50, 0);
634 SCVAL(req->outbuf,smb_wct,42);
636 reply_outbuf(req, 34, 0);
639 SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
640 SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
642 p = (char *)req->outbuf + smb_vwv2;
644 SCVAL(p, 0, oplock_granted);
647 SSVAL(p,0,fsp->fnum);
649 if ((create_disposition == FILE_SUPERSEDE)
650 && (info == FILE_WAS_OVERWRITTEN)) {
651 SIVAL(p,0,FILE_WAS_SUPERSEDED);
657 fattr = dos_mode(conn, smb_fname);
659 fattr = FILE_ATTRIBUTE_NORMAL;
663 create_timespec = get_create_timespec(conn, fsp, smb_fname);
664 a_timespec = smb_fname->st.st_ex_atime;
665 m_timespec = smb_fname->st.st_ex_mtime;
666 c_timespec = get_change_timespec(conn, fsp, smb_fname);
668 if (lp_dos_filetime_resolution(SNUM(conn))) {
669 dos_filetime_timespec(&create_timespec);
670 dos_filetime_timespec(&a_timespec);
671 dos_filetime_timespec(&m_timespec);
672 dos_filetime_timespec(&c_timespec);
675 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
677 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
679 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
681 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
683 SIVAL(p,0,fattr); /* File Attributes. */
685 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
687 SOFF_T(p,0,file_len);
689 if (flags & EXTENDED_RESPONSE_REQUIRED) {
690 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
691 size_t num_names = 0;
692 unsigned int num_streams = 0;
693 struct stream_struct *streams = NULL;
695 /* Do we have any EA's ? */
696 status = get_ea_names_from_file(ctx, conn, fsp,
697 smb_fname->base_name, NULL, &num_names);
698 if (NT_STATUS_IS_OK(status) && num_names) {
699 file_status &= ~NO_EAS;
701 status = vfs_streaminfo(conn, NULL, smb_fname, ctx,
702 &num_streams, &streams);
703 /* There is always one stream, ::$DATA. */
704 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
705 file_status &= ~NO_SUBSTREAMS;
707 TALLOC_FREE(streams);
708 SSVAL(p,2,file_status);
711 SCVAL(p,0,fsp->is_directory ? 1 : 0);
713 if (flags & EXTENDED_RESPONSE_REQUIRED) {
716 if (fsp->is_directory ||
718 can_write_to_file(conn, smb_fname)) {
719 perms = FILE_GENERIC_ALL;
721 perms = FILE_GENERIC_READ|FILE_EXECUTE;
726 DEBUG(5,("reply_ntcreate_and_X: %s, open name = %s\n",
727 fsp_fnum_dbg(fsp), smb_fname_str_dbg(smb_fname)));
730 END_PROFILE(SMBntcreateX);
734 /****************************************************************************
735 Reply to a NT_TRANSACT_CREATE call to open a pipe.
736 ****************************************************************************/
738 static void do_nt_transact_create_pipe(connection_struct *conn,
739 struct smb_request *req,
740 uint16_t **ppsetup, uint32_t setup_count,
741 char **ppparams, uint32_t parameter_count,
742 char **ppdata, uint32_t data_count)
745 char *params = *ppparams;
746 uint16_t pnum = FNUM_FIELD_INVALID;
751 TALLOC_CTX *ctx = talloc_tos();
754 * Ensure minimum number of parameters sent.
757 if(parameter_count < 54) {
758 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
759 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
763 flags = IVAL(params,0);
765 if (req->posix_pathnames) {
766 srvstr_get_path_posix(ctx,
784 if (!NT_STATUS_IS_OK(status)) {
785 reply_nterror(req, status);
789 nt_open_pipe(fname, conn, req, &pnum);
796 /* Realloc the size of parameters and data we will return */
797 if (flags & EXTENDED_RESPONSE_REQUIRED) {
798 /* Extended response is 32 more byyes. */
803 params = nttrans_realloc(ppparams, param_len);
805 reply_nterror(req, NT_STATUS_NO_MEMORY);
810 SCVAL(p,0,NO_OPLOCK_RETURN);
815 SIVAL(p,0,FILE_WAS_OPENED);
819 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
822 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
824 SSVAL(p,2, 0x5FF); /* ? */
827 if (flags & EXTENDED_RESPONSE_REQUIRED) {
829 SIVAL(p,0,FILE_GENERIC_ALL);
831 * For pipes W2K3 seems to return
833 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
835 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
838 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
840 /* Send the required number of replies */
841 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
846 /*********************************************************************
847 Windows seems to do canonicalization of inheritance bits. Do the
849 *********************************************************************/
851 static void canonicalize_inheritance_bits(struct security_descriptor *psd)
853 bool set_auto_inherited = false;
856 * We need to filter out the
857 * SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ
858 * bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
859 * as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
860 * when an ACE is inherited. Otherwise we zero these bits out.
863 * http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
868 if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ))
869 == (SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
870 set_auto_inherited = true;
873 psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED|SEC_DESC_DACL_AUTO_INHERIT_REQ);
874 if (set_auto_inherited) {
875 psd->type |= SEC_DESC_DACL_AUTO_INHERITED;
879 /****************************************************************************
880 Internal fn to set security descriptors.
881 ****************************************************************************/
883 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
884 uint32_t security_info_sent)
888 if (!CAN_WRITE(fsp->conn)) {
889 return NT_STATUS_ACCESS_DENIED;
892 if (!lp_nt_acl_support(SNUM(fsp->conn))) {
896 if (psd->owner_sid == NULL) {
897 security_info_sent &= ~SECINFO_OWNER;
899 if (psd->group_sid == NULL) {
900 security_info_sent &= ~SECINFO_GROUP;
903 /* Ensure we have at least one thing set. */
904 if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
909 /* Ensure we have the rights to do this. */
910 if (security_info_sent & SECINFO_OWNER) {
911 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
912 return NT_STATUS_ACCESS_DENIED;
916 if (security_info_sent & SECINFO_GROUP) {
917 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
918 return NT_STATUS_ACCESS_DENIED;
922 if (security_info_sent & SECINFO_DACL) {
923 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
924 return NT_STATUS_ACCESS_DENIED;
926 /* Convert all the generic bits. */
928 security_acl_map_generic(psd->dacl, &file_generic_mapping);
932 if (security_info_sent & SECINFO_SACL) {
933 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
934 return NT_STATUS_ACCESS_DENIED;
936 /* Convert all the generic bits. */
938 security_acl_map_generic(psd->sacl, &file_generic_mapping);
942 canonicalize_inheritance_bits(psd);
944 if (DEBUGLEVEL >= 10) {
945 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
946 NDR_PRINT_DEBUG(security_descriptor, psd);
949 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
956 /****************************************************************************
957 Internal fn to set security descriptors from a data blob.
958 ****************************************************************************/
960 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
961 uint32_t security_info_sent)
963 struct security_descriptor *psd = NULL;
967 return NT_STATUS_INVALID_PARAMETER;
970 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
972 if (!NT_STATUS_IS_OK(status)) {
976 return set_sd(fsp, psd, security_info_sent);
979 /****************************************************************************
980 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
981 ****************************************************************************/
983 static void call_nt_transact_create(connection_struct *conn,
984 struct smb_request *req,
985 uint16_t **ppsetup, uint32_t setup_count,
986 char **ppparams, uint32_t parameter_count,
987 char **ppdata, uint32_t data_count,
988 uint32_t max_data_count)
990 struct smb_filename *smb_fname = NULL;
992 char *params = *ppparams;
993 char *data = *ppdata;
994 /* Breakout the oplock request bits so we can set the reply bits separately. */
998 files_struct *fsp = NULL;
1001 uint32_t access_mask;
1002 uint32_t file_attributes;
1003 uint32_t share_access;
1004 uint32_t create_disposition;
1005 uint32_t create_options;
1007 struct security_descriptor *sd = NULL;
1009 uint16_t root_dir_fid;
1010 struct timespec create_timespec;
1011 struct timespec c_timespec;
1012 struct timespec a_timespec;
1013 struct timespec m_timespec;
1014 struct ea_list *ea_list = NULL;
1017 uint64_t allocation_size;
1019 uint8_t oplock_granted;
1020 struct case_semantics_state *case_state = NULL;
1021 uint32_t ucf_flags = UCF_PREP_CREATEFILE |
1022 (req->posix_pathnames ? UCF_POSIX_PATHNAMES : 0);
1023 TALLOC_CTX *ctx = talloc_tos();
1025 DEBUG(5,("call_nt_transact_create\n"));
1028 * If it's an IPC, use the pipe handler.
1032 if (lp_nt_pipe_support()) {
1033 do_nt_transact_create_pipe(
1035 ppsetup, setup_count,
1036 ppparams, parameter_count,
1037 ppdata, data_count);
1040 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1045 * Ensure minimum number of parameters sent.
1048 if(parameter_count < 54) {
1049 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1050 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1054 flags = IVAL(params,0);
1055 access_mask = IVAL(params,8);
1056 file_attributes = IVAL(params,20);
1057 share_access = IVAL(params,24);
1058 create_disposition = IVAL(params,28);
1059 create_options = IVAL(params,32);
1060 sd_len = IVAL(params,36);
1061 ea_len = IVAL(params,40);
1062 root_dir_fid = (uint16_t)IVAL(params,4);
1063 allocation_size = BVAL(params,12);
1066 * we need to remove ignored bits when they come directly from the client
1067 * because we reuse some of them for internal stuff
1069 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1071 if (req->posix_pathnames) {
1072 srvstr_get_path_posix(ctx,
1081 srvstr_get_path(ctx,
1090 if (!NT_STATUS_IS_OK(status)) {
1091 reply_nterror(req, status);
1095 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1096 case_state = set_posix_case_semantics(ctx, conn);
1098 reply_nterror(req, NT_STATUS_NO_MEMORY);
1103 status = filename_convert(ctx,
1105 req->flags2 & FLAGS2_DFS_PATHNAMES,
1111 TALLOC_FREE(case_state);
1113 if (!NT_STATUS_IS_OK(status)) {
1114 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1115 reply_botherror(req,
1116 NT_STATUS_PATH_NOT_COVERED,
1117 ERRSRV, ERRbadpath);
1120 reply_nterror(req, status);
1124 /* Ensure the data_len is correct for the sd and ea values given. */
1125 if ((ea_len + sd_len > data_count)
1126 || (ea_len > data_count) || (sd_len > data_count)
1127 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1128 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1129 "%u, data_count = %u\n", (unsigned int)ea_len,
1130 (unsigned int)sd_len, (unsigned int)data_count));
1131 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1136 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1139 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1141 if (!NT_STATUS_IS_OK(status)) {
1142 DEBUG(10, ("call_nt_transact_create: "
1143 "unmarshall_sec_desc failed: %s\n",
1144 nt_errstr(status)));
1145 reply_nterror(req, status);
1151 if (!lp_ea_support(SNUM(conn))) {
1152 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1153 "EA's not supported.\n",
1154 (unsigned int)ea_len));
1155 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1160 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1161 "too small (should be more than 10)\n",
1162 (unsigned int)ea_len ));
1163 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1167 /* We have already checked that ea_len <= data_count here. */
1168 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1170 if (ea_list == NULL) {
1171 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1175 if (ea_list_has_invalid_name(ea_list)) {
1176 /* Realloc the size of parameters and data we will return */
1177 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1178 /* Extended response is 32 more byyes. */
1183 params = nttrans_realloc(ppparams, param_len);
1184 if(params == NULL) {
1185 reply_nterror(req, NT_STATUS_NO_MEMORY);
1189 memset(params, '\0', param_len);
1190 send_nt_replies(conn, req, STATUS_INVALID_EA_NAME,
1191 params, param_len, NULL, 0);
1196 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1197 if (oplock_request) {
1198 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1203 * Bug #6898 - clients using Windows opens should
1204 * never be able to set this attribute into the
1207 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1209 status = SMB_VFS_CREATE_FILE(
1212 root_dir_fid, /* root_dir_fid */
1213 smb_fname, /* fname */
1214 access_mask, /* access_mask */
1215 share_access, /* share_access */
1216 create_disposition, /* create_disposition*/
1217 create_options, /* create_options */
1218 file_attributes, /* file_attributes */
1219 oplock_request, /* oplock_request */
1221 allocation_size, /* allocation_size */
1222 0, /* private_flags */
1224 ea_list, /* ea_list */
1227 NULL, NULL); /* create context */
1229 if(!NT_STATUS_IS_OK(status)) {
1230 if (open_was_deferred(req->xconn, req->mid)) {
1231 /* We have re-scheduled this call, no error. */
1234 reply_openerror(req, status);
1238 /* Ensure we're pointing at the correct stat struct. */
1239 TALLOC_FREE(smb_fname);
1240 smb_fname = fsp->fsp_name;
1243 * If the caller set the extended oplock request bit
1244 * and we granted one (by whatever means) - set the
1245 * correct bit for extended oplock reply.
1248 if (oplock_request &&
1249 (lp_fake_oplocks(SNUM(conn))
1250 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1253 * Exclusive oplock granted
1256 if (flags & REQUEST_BATCH_OPLOCK) {
1257 oplock_granted = BATCH_OPLOCK_RETURN;
1259 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1261 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1262 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1264 oplock_granted = NO_OPLOCK_RETURN;
1267 file_len = smb_fname->st.st_ex_size;
1269 /* Realloc the size of parameters and data we will return */
1270 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1271 /* Extended response is 32 more byyes. */
1276 params = nttrans_realloc(ppparams, param_len);
1277 if(params == NULL) {
1278 reply_nterror(req, NT_STATUS_NO_MEMORY);
1283 SCVAL(p, 0, oplock_granted);
1286 SSVAL(p,0,fsp->fnum);
1288 if ((create_disposition == FILE_SUPERSEDE)
1289 && (info == FILE_WAS_OVERWRITTEN)) {
1290 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1296 fattr = dos_mode(conn, smb_fname);
1298 fattr = FILE_ATTRIBUTE_NORMAL;
1302 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1303 a_timespec = smb_fname->st.st_ex_atime;
1304 m_timespec = smb_fname->st.st_ex_mtime;
1305 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1307 if (lp_dos_filetime_resolution(SNUM(conn))) {
1308 dos_filetime_timespec(&create_timespec);
1309 dos_filetime_timespec(&a_timespec);
1310 dos_filetime_timespec(&m_timespec);
1311 dos_filetime_timespec(&c_timespec);
1314 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1316 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1318 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1320 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1322 SIVAL(p,0,fattr); /* File Attributes. */
1324 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1326 SOFF_T(p,0,file_len);
1328 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1329 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1330 size_t num_names = 0;
1331 unsigned int num_streams = 0;
1332 struct stream_struct *streams = NULL;
1334 /* Do we have any EA's ? */
1335 status = get_ea_names_from_file(ctx, conn, fsp,
1336 smb_fname->base_name, NULL, &num_names);
1337 if (NT_STATUS_IS_OK(status) && num_names) {
1338 file_status &= ~NO_EAS;
1340 status = vfs_streaminfo(conn, NULL, smb_fname, ctx,
1341 &num_streams, &streams);
1342 /* There is always one stream, ::$DATA. */
1343 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1344 file_status &= ~NO_SUBSTREAMS;
1346 TALLOC_FREE(streams);
1347 SSVAL(p,2,file_status);
1350 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1352 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1355 if (fsp->is_directory ||
1357 can_write_to_file(conn, smb_fname)) {
1358 perms = FILE_GENERIC_ALL;
1360 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1365 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1366 smb_fname_str_dbg(smb_fname)));
1368 /* Send the required number of replies */
1369 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1374 /****************************************************************************
1375 Reply to a NT CANCEL request.
1376 conn POINTER CAN BE NULL HERE !
1377 ****************************************************************************/
1379 void reply_ntcancel(struct smb_request *req)
1381 struct smbXsrv_connection *xconn = req->xconn;
1382 struct smbd_server_connection *sconn = req->sconn;
1385 * Go through and cancel any pending change notifies.
1388 START_PROFILE(SMBntcancel);
1389 srv_cancel_sign_response(xconn);
1390 remove_pending_change_notify_requests_by_mid(sconn, req->mid);
1391 remove_pending_lock_requests_by_mid_smb1(sconn, req->mid);
1393 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1394 (unsigned long long)req->mid));
1396 END_PROFILE(SMBntcancel);
1400 /****************************************************************************
1402 ****************************************************************************/
1404 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1405 connection_struct *conn,
1406 struct smb_request *req,
1407 struct smb_filename *smb_fname_src,
1408 struct smb_filename *smb_fname_dst,
1411 files_struct *fsp1,*fsp2;
1415 NTSTATUS status = NT_STATUS_OK;
1418 if (!CAN_WRITE(conn)) {
1419 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1423 /* Source must already exist. */
1424 if (!VALID_STAT(smb_fname_src->st)) {
1425 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1429 /* Ensure attributes match. */
1430 fattr = dos_mode(conn, smb_fname_src);
1431 if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) {
1432 status = NT_STATUS_NO_SUCH_FILE;
1436 /* Disallow if dst file already exists. */
1437 if (VALID_STAT(smb_fname_dst->st)) {
1438 status = NT_STATUS_OBJECT_NAME_COLLISION;
1442 /* No links from a directory. */
1443 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1444 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1448 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1449 smb_fname_str_dbg(smb_fname_src),
1450 smb_fname_str_dbg(smb_fname_dst)));
1452 status = SMB_VFS_CREATE_FILE(
1455 0, /* root_dir_fid */
1456 smb_fname_src, /* fname */
1457 FILE_READ_DATA|FILE_READ_ATTRIBUTES|
1458 FILE_READ_EA, /* access_mask */
1459 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1461 FILE_OPEN, /* create_disposition*/
1462 0, /* create_options */
1463 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1464 NO_OPLOCK, /* oplock_request */
1466 0, /* allocation_size */
1467 0, /* private_flags */
1472 NULL, NULL); /* create context */
1474 if (!NT_STATUS_IS_OK(status)) {
1478 status = SMB_VFS_CREATE_FILE(
1481 0, /* root_dir_fid */
1482 smb_fname_dst, /* fname */
1483 FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|
1484 FILE_WRITE_EA, /* access_mask */
1485 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1487 FILE_CREATE, /* create_disposition*/
1488 0, /* create_options */
1489 fattr, /* file_attributes */
1490 NO_OPLOCK, /* oplock_request */
1492 0, /* allocation_size */
1493 0, /* private_flags */
1498 NULL, NULL); /* create context */
1500 if (!NT_STATUS_IS_OK(status)) {
1501 close_file(NULL, fsp1, ERROR_CLOSE);
1505 if (smb_fname_src->st.st_ex_size) {
1506 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1510 * As we are opening fsp1 read-only we only expect
1511 * an error on close on fsp2 if we are out of space.
1512 * Thus we don't look at the error return from the
1515 close_file(NULL, fsp1, NORMAL_CLOSE);
1517 /* Ensure the modtime is set correctly on the destination file. */
1518 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1520 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1522 /* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1523 creates the file. This isn't the correct thing to do in the copy
1525 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1527 status = NT_STATUS_NO_MEMORY;
1530 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1531 TALLOC_FREE(parent);
1533 if (ret < (off_t)smb_fname_src->st.st_ex_size) {
1534 status = NT_STATUS_DISK_FULL;
1538 if (!NT_STATUS_IS_OK(status)) {
1539 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1540 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1541 smb_fname_str_dbg(smb_fname_dst)));
1547 /****************************************************************************
1548 Reply to a NT rename request.
1549 ****************************************************************************/
1551 void reply_ntrename(struct smb_request *req)
1553 connection_struct *conn = req->conn;
1554 struct smb_filename *smb_fname_old = NULL;
1555 struct smb_filename *smb_fname_new = NULL;
1556 char *oldname = NULL;
1557 char *newname = NULL;
1560 bool src_has_wcard = False;
1561 bool dest_has_wcard = False;
1563 uint32_t ucf_flags_src = (req->posix_pathnames ? UCF_POSIX_PATHNAMES : 0);
1564 uint32_t ucf_flags_dst = (req->posix_pathnames ? UCF_POSIX_PATHNAMES : 0);
1565 uint16_t rename_type;
1566 TALLOC_CTX *ctx = talloc_tos();
1567 bool stream_rename = false;
1569 START_PROFILE(SMBntrename);
1572 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1576 attrs = SVAL(req->vwv+0, 0);
1577 rename_type = SVAL(req->vwv+1, 0);
1579 p = (const char *)req->buf + 1;
1580 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1581 &status, &src_has_wcard);
1582 if (!NT_STATUS_IS_OK(status)) {
1583 reply_nterror(req, status);
1587 if (!req->posix_pathnames && ms_has_wild(oldname)) {
1588 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1593 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1594 &status, &dest_has_wcard);
1595 if (!NT_STATUS_IS_OK(status)) {
1596 reply_nterror(req, status);
1600 if (!req->posix_pathnames) {
1601 /* The newname must begin with a ':' if the
1602 oldname contains a ':'. */
1603 if (strchr_m(oldname, ':')) {
1604 if (newname[0] != ':') {
1605 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1608 stream_rename = true;
1613 * If this is a rename operation, allow wildcards and save the
1614 * destination's last component.
1616 if (rename_type == RENAME_FLAG_RENAME) {
1617 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1618 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1621 /* rename_internals() calls unix_convert(), so don't call it here. */
1622 status = filename_convert(ctx, conn,
1623 req->flags2 & FLAGS2_DFS_PATHNAMES,
1628 if (!NT_STATUS_IS_OK(status)) {
1629 if (NT_STATUS_EQUAL(status,
1630 NT_STATUS_PATH_NOT_COVERED)) {
1631 reply_botherror(req,
1632 NT_STATUS_PATH_NOT_COVERED,
1633 ERRSRV, ERRbadpath);
1636 reply_nterror(req, status);
1640 status = filename_convert(ctx, conn,
1641 req->flags2 & FLAGS2_DFS_PATHNAMES,
1646 if (!NT_STATUS_IS_OK(status)) {
1647 if (NT_STATUS_EQUAL(status,
1648 NT_STATUS_PATH_NOT_COVERED)) {
1649 reply_botherror(req,
1650 NT_STATUS_PATH_NOT_COVERED,
1651 ERRSRV, ERRbadpath);
1654 reply_nterror(req, status);
1658 if (stream_rename) {
1659 /* smb_fname_new must be the same as smb_fname_old. */
1660 TALLOC_FREE(smb_fname_new->base_name);
1661 smb_fname_new->base_name = talloc_strdup(smb_fname_new,
1662 smb_fname_old->base_name);
1663 if (!smb_fname_new->base_name) {
1664 reply_nterror(req, NT_STATUS_NO_MEMORY);
1669 DEBUG(3,("reply_ntrename: %s -> %s\n",
1670 smb_fname_str_dbg(smb_fname_old),
1671 smb_fname_str_dbg(smb_fname_new)));
1673 switch(rename_type) {
1674 case RENAME_FLAG_RENAME:
1675 status = rename_internals(ctx, conn, req,
1676 smb_fname_old, smb_fname_new,
1677 attrs, False, src_has_wcard,
1681 case RENAME_FLAG_HARD_LINK:
1682 if (src_has_wcard || dest_has_wcard) {
1684 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1686 status = hardlink_internals(ctx, conn,
1693 case RENAME_FLAG_COPY:
1694 if (src_has_wcard || dest_has_wcard) {
1696 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1698 status = copy_internals(ctx, conn, req,
1704 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1705 status = NT_STATUS_INVALID_PARAMETER;
1708 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1712 if (!NT_STATUS_IS_OK(status)) {
1713 if (open_was_deferred(req->xconn, req->mid)) {
1714 /* We have re-scheduled this call. */
1718 reply_nterror(req, status);
1722 reply_outbuf(req, 0, 0);
1724 END_PROFILE(SMBntrename);
1728 /****************************************************************************
1729 Reply to a notify change - queue the request and
1730 don't allow a directory to be opened.
1731 ****************************************************************************/
1733 static void smbd_smb1_notify_reply(struct smb_request *req,
1734 NTSTATUS error_code,
1735 uint8_t *buf, size_t len)
1737 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1740 static void call_nt_transact_notify_change(connection_struct *conn,
1741 struct smb_request *req,
1743 uint32_t setup_count,
1745 uint32_t parameter_count,
1746 char **ppdata, uint32_t data_count,
1747 uint32_t max_data_count,
1748 uint32_t max_param_count)
1750 uint16_t *setup = *ppsetup;
1756 if(setup_count < 6) {
1757 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1761 fsp = file_fsp(req, SVAL(setup,4));
1762 filter = IVAL(setup, 0);
1763 recursive = (SVAL(setup, 6) != 0) ? True : False;
1765 DEBUG(3,("call_nt_transact_notify_change\n"));
1768 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1773 char *filter_string;
1775 if (!(filter_string = notify_filter_string(NULL, filter))) {
1776 reply_nterror(req,NT_STATUS_NO_MEMORY);
1780 DEBUG(3,("call_nt_transact_notify_change: notify change "
1781 "called on %s, filter = %s, recursive = %d\n",
1782 fsp_str_dbg(fsp), filter_string, recursive));
1784 TALLOC_FREE(filter_string);
1787 if((!fsp->is_directory) || (conn != fsp->conn)) {
1788 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1792 if (fsp->notify == NULL) {
1794 status = change_notify_create(fsp, filter, recursive);
1796 if (!NT_STATUS_IS_OK(status)) {
1797 DEBUG(10, ("change_notify_create returned %s\n",
1798 nt_errstr(status)));
1799 reply_nterror(req, status);
1804 if (change_notify_fsp_has_changes(fsp)) {
1807 * We've got changes pending, respond immediately
1811 * TODO: write a torture test to check the filtering behaviour
1815 change_notify_reply(req,
1819 smbd_smb1_notify_reply);
1822 * change_notify_reply() above has independently sent its
1829 * No changes pending, queue the request
1832 status = change_notify_add_request(req,
1836 smbd_smb1_notify_reply);
1837 if (!NT_STATUS_IS_OK(status)) {
1838 reply_nterror(req, status);
1843 /****************************************************************************
1844 Reply to an NT transact rename command.
1845 ****************************************************************************/
1847 static void call_nt_transact_rename(connection_struct *conn,
1848 struct smb_request *req,
1849 uint16_t **ppsetup, uint32_t setup_count,
1850 char **ppparams, uint32_t parameter_count,
1851 char **ppdata, uint32_t data_count,
1852 uint32_t max_data_count)
1854 char *params = *ppparams;
1855 char *new_name = NULL;
1856 files_struct *fsp = NULL;
1857 bool dest_has_wcard = False;
1859 TALLOC_CTX *ctx = talloc_tos();
1861 if(parameter_count < 5) {
1862 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1866 fsp = file_fsp(req, SVAL(params, 0));
1867 if (!check_fsp(conn, req, fsp)) {
1870 if (req->posix_pathnames) {
1871 srvstr_get_path_wcard_posix(ctx,
1876 parameter_count - 4,
1881 srvstr_get_path_wcard(ctx,
1886 parameter_count - 4,
1892 if (!NT_STATUS_IS_OK(status)) {
1893 reply_nterror(req, status);
1898 * W2K3 ignores this request as the RAW-RENAME test
1899 * demonstrates, so we do.
1901 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1903 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1904 fsp_str_dbg(fsp), new_name));
1909 /******************************************************************************
1910 Fake up a completely empty SD.
1911 *******************************************************************************/
1913 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1917 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1919 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1920 return NT_STATUS_NO_MEMORY;
1923 return NT_STATUS_OK;
1926 /****************************************************************************
1927 Reply to query a security descriptor.
1928 Callable from SMB1 and SMB2.
1929 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1931 ****************************************************************************/
1933 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1934 TALLOC_CTX *mem_ctx,
1936 uint32_t security_info_wanted,
1937 uint32_t max_data_count,
1938 uint8_t **ppmarshalled_sd,
1942 struct security_descriptor *psd = NULL;
1943 TALLOC_CTX *frame = talloc_stackframe();
1946 * Get the permissions to return.
1949 if ((security_info_wanted & SECINFO_SACL) &&
1950 !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1951 DEBUG(10, ("Access to SACL denied.\n"));
1953 return NT_STATUS_ACCESS_DENIED;
1956 if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1957 !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1958 DEBUG(10, ("Access to DACL, OWNER, or GROUP denied.\n"));
1960 return NT_STATUS_ACCESS_DENIED;
1963 if (security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|
1964 SECINFO_GROUP|SECINFO_SACL)) {
1965 /* Don't return SECINFO_LABEL if anything else was
1966 requested. See bug #8458. */
1967 security_info_wanted &= ~SECINFO_LABEL;
1970 if (!lp_nt_acl_support(SNUM(conn))) {
1971 status = get_null_nt_acl(frame, &psd);
1972 } else if (security_info_wanted & SECINFO_LABEL) {
1973 /* Like W2K3 return a null object. */
1974 status = get_null_nt_acl(frame, &psd);
1976 status = SMB_VFS_FGET_NT_ACL(
1977 fsp, security_info_wanted, frame, &psd);
1979 if (!NT_STATUS_IS_OK(status)) {
1984 if (!(security_info_wanted & SECINFO_OWNER)) {
1985 psd->owner_sid = NULL;
1987 if (!(security_info_wanted & SECINFO_GROUP)) {
1988 psd->group_sid = NULL;
1990 if (!(security_info_wanted & SECINFO_DACL)) {
1991 psd->type &= ~SEC_DESC_DACL_PRESENT;
1994 if (!(security_info_wanted & SECINFO_SACL)) {
1995 psd->type &= ~SEC_DESC_SACL_PRESENT;
1999 /* If the SACL/DACL is NULL, but was requested, we mark that it is
2000 * present in the reply to match Windows behavior */
2001 if (psd->sacl == NULL &&
2002 security_info_wanted & SECINFO_SACL)
2003 psd->type |= SEC_DESC_SACL_PRESENT;
2004 if (psd->dacl == NULL &&
2005 security_info_wanted & SECINFO_DACL)
2006 psd->type |= SEC_DESC_DACL_PRESENT;
2008 if (security_info_wanted & SECINFO_LABEL) {
2009 /* Like W2K3 return a null object. */
2010 psd->owner_sid = NULL;
2011 psd->group_sid = NULL;
2014 psd->type &= ~(SEC_DESC_DACL_PRESENT|SEC_DESC_SACL_PRESENT);
2017 *psd_size = ndr_size_security_descriptor(psd, 0);
2019 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
2020 (unsigned long)*psd_size));
2022 if (DEBUGLEVEL >= 10) {
2023 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
2025 NDR_PRINT_DEBUG(security_descriptor, psd);
2028 if (max_data_count < *psd_size) {
2030 return NT_STATUS_BUFFER_TOO_SMALL;
2033 status = marshall_sec_desc(mem_ctx, psd,
2034 ppmarshalled_sd, psd_size);
2036 if (!NT_STATUS_IS_OK(status)) {
2042 return NT_STATUS_OK;
2045 /****************************************************************************
2046 SMB1 reply to query a security descriptor.
2047 ****************************************************************************/
2049 static void call_nt_transact_query_security_desc(connection_struct *conn,
2050 struct smb_request *req,
2052 uint32_t setup_count,
2054 uint32_t parameter_count,
2056 uint32_t data_count,
2057 uint32_t max_data_count)
2059 char *params = *ppparams;
2060 char *data = *ppdata;
2062 uint32_t security_info_wanted;
2063 files_struct *fsp = NULL;
2065 uint8_t *marshalled_sd = NULL;
2067 if(parameter_count < 8) {
2068 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2072 fsp = file_fsp(req, SVAL(params,0));
2074 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2078 security_info_wanted = IVAL(params,4);
2080 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2081 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
2082 (unsigned int)security_info_wanted));
2084 params = nttrans_realloc(ppparams, 4);
2085 if(params == NULL) {
2086 reply_nterror(req, NT_STATUS_NO_MEMORY);
2091 * Get the permissions to return.
2094 status = smbd_do_query_security_desc(conn,
2097 security_info_wanted &
2098 SMB_SUPPORTED_SECINFO_FLAGS,
2103 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
2104 SIVAL(params,0,(uint32_t)sd_size);
2105 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2106 params, 4, NULL, 0);
2110 if (!NT_STATUS_IS_OK(status)) {
2111 reply_nterror(req, status);
2115 SMB_ASSERT(sd_size > 0);
2117 SIVAL(params,0,(uint32_t)sd_size);
2119 if (max_data_count < sd_size) {
2120 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2121 params, 4, NULL, 0);
2126 * Allocate the data we will return.
2129 data = nttrans_realloc(ppdata, sd_size);
2131 reply_nterror(req, NT_STATUS_NO_MEMORY);
2135 memcpy(data, marshalled_sd, sd_size);
2137 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2142 /****************************************************************************
2143 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2144 ****************************************************************************/
2146 static void call_nt_transact_set_security_desc(connection_struct *conn,
2147 struct smb_request *req,
2149 uint32_t setup_count,
2151 uint32_t parameter_count,
2153 uint32_t data_count,
2154 uint32_t max_data_count)
2156 char *params= *ppparams;
2157 char *data = *ppdata;
2158 files_struct *fsp = NULL;
2159 uint32_t security_info_sent = 0;
2162 if(parameter_count < 8) {
2163 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2167 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2168 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2172 if (!CAN_WRITE(fsp->conn)) {
2173 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2177 if(!lp_nt_acl_support(SNUM(conn))) {
2181 security_info_sent = IVAL(params,4);
2183 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2184 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2186 if (data_count == 0) {
2187 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2191 status = set_sd_blob(fsp, (uint8_t *)data, data_count,
2192 security_info_sent & SMB_SUPPORTED_SECINFO_FLAGS);
2193 if (!NT_STATUS_IS_OK(status)) {
2194 reply_nterror(req, status);
2199 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2203 /****************************************************************************
2205 ****************************************************************************/
2207 static void call_nt_transact_ioctl(connection_struct *conn,
2208 struct smb_request *req,
2209 uint16_t **ppsetup, uint32_t setup_count,
2210 char **ppparams, uint32_t parameter_count,
2211 char **ppdata, uint32_t data_count,
2212 uint32_t max_data_count)
2220 char *out_data = NULL;
2221 uint32_t out_data_len = 0;
2222 char *pdata = *ppdata;
2223 TALLOC_CTX *ctx = talloc_tos();
2225 if (setup_count != 8) {
2226 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2227 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2231 function = IVAL(*ppsetup, 0);
2232 fidnum = SVAL(*ppsetup, 4);
2233 isFSctl = CVAL(*ppsetup, 6);
2234 compfilter = CVAL(*ppsetup, 7);
2236 DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2237 function, fidnum, isFSctl, compfilter));
2239 fsp=file_fsp(req, fidnum);
2242 * We don't really implement IOCTLs, especially on files.
2245 DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2247 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2251 /* Has to be for an open file! */
2252 if (!check_fsp_open(conn, req, fsp)) {
2256 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2259 * out_data might be allocated by the VFS module, but talloc should be
2260 * used, and should be cleaned up when the request ends.
2262 status = SMB_VFS_FSCTL(fsp,
2268 (uint8_t **)&out_data,
2271 if (!NT_STATUS_IS_OK(status)) {
2272 reply_nterror(req, status);
2274 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
2279 #ifdef HAVE_SYS_QUOTAS
2280 /****************************************************************************
2281 Reply to get user quota
2282 ****************************************************************************/
2284 static void call_nt_transact_get_user_quota(connection_struct *conn,
2285 struct smb_request *req,
2287 uint32_t setup_count,
2289 uint32_t parameter_count,
2291 uint32_t data_count,
2292 uint32_t max_data_count)
2294 NTSTATUS nt_status = NT_STATUS_OK;
2295 char *params = *ppparams;
2296 char *pdata = *ppdata;
2298 int data_len=0,param_len=0;
2301 files_struct *fsp = NULL;
2305 bool start_enum = True;
2306 SMB_NTQUOTA_STRUCT qt;
2307 SMB_NTQUOTA_LIST *tmp_list;
2308 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2313 if (get_current_uid(conn) != sec_initial_uid()) {
2314 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2315 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn)),
2316 conn->session_info->unix_info->unix_name));
2317 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2322 * Ensure minimum number of parameters sent.
2325 if (parameter_count < 4) {
2326 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2327 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2331 /* maybe we can check the quota_fnum */
2332 fsp = file_fsp(req, SVAL(params,0));
2333 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2334 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2335 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2339 /* the NULL pointer checking for fsp->fake_file_handle->pd
2340 * is done by CHECK_NTQUOTA_HANDLE_OK()
2342 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2344 level = SVAL(params,2);
2346 /* unknown 12 bytes leading in params */
2349 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2350 /* seems that we should continue with the enum here --metze */
2352 if (qt_handle->quota_list!=NULL &&
2353 qt_handle->tmp_list==NULL) {
2356 free_ntquota_list(&(qt_handle->quota_list));
2358 /* Realloc the size of parameters and data we will return */
2360 params = nttrans_realloc(ppparams, param_len);
2361 if(params == NULL) {
2362 reply_nterror(req, NT_STATUS_NO_MEMORY);
2367 SIVAL(params,0,data_len);
2374 case TRANSACT_GET_USER_QUOTA_LIST_START:
2376 if (qt_handle->quota_list==NULL &&
2377 qt_handle->tmp_list==NULL) {
2381 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2382 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2386 /* Realloc the size of parameters and data we will return */
2388 params = nttrans_realloc(ppparams, param_len);
2389 if(params == NULL) {
2390 reply_nterror(req, NT_STATUS_NO_MEMORY);
2394 /* we should not trust the value in max_data_count*/
2395 max_data_count = MIN(max_data_count,2048);
2397 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2399 reply_nterror(req, NT_STATUS_NO_MEMORY);
2405 /* set params Size of returned Quota Data 4 bytes*/
2406 /* but set it later when we know it */
2408 /* for each entry push the data */
2411 qt_handle->tmp_list = qt_handle->quota_list;
2414 tmp_list = qt_handle->tmp_list;
2416 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2417 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2419 sid_len = ndr_size_dom_sid(
2420 &tmp_list->quotas->sid, 0);
2421 entry_len = 40 + sid_len;
2423 /* nextoffset entry 4 bytes */
2424 SIVAL(entry,0,entry_len);
2426 /* then the len of the SID 4 bytes */
2427 SIVAL(entry,4,sid_len);
2429 /* unknown data 8 bytes uint64_t */
2430 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2432 /* the used disk space 8 bytes uint64_t */
2433 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2435 /* the soft quotas 8 bytes uint64_t */
2436 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2438 /* the hard quotas 8 bytes uint64_t */
2439 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2441 /* and now the SID */
2442 sid_linearize((uint8_t *)(entry+40), sid_len,
2443 &tmp_list->quotas->sid);
2446 qt_handle->tmp_list = tmp_list;
2448 /* overwrite the offset of the last entry */
2449 SIVAL(entry-entry_len,0,0);
2451 data_len = 4+qt_len;
2452 /* overwrite the params quota_data_len */
2453 SIVAL(params,0,data_len);
2457 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2459 /* unknown 4 bytes IVAL(pdata,0) */
2461 if (data_count < 8) {
2462 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2463 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2467 sid_len = IVAL(pdata,4);
2468 /* Ensure this is less than 1mb. */
2469 if (sid_len > (1024*1024)) {
2470 reply_nterror(req, NT_STATUS_NO_MEMORY);
2474 if (data_count < 8+sid_len) {
2475 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2476 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2480 data_len = 4+40+sid_len;
2482 if (max_data_count < data_len) {
2483 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2484 max_data_count, data_len));
2486 SIVAL(params,0,data_len);
2488 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2492 if (!sid_parse((const uint8_t *)(pdata+8), sid_len,
2494 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2498 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2501 * we have to return zero's in all fields
2502 * instead of returning an error here
2507 /* Realloc the size of parameters and data we will return */
2509 params = nttrans_realloc(ppparams, param_len);
2510 if(params == NULL) {
2511 reply_nterror(req, NT_STATUS_NO_MEMORY);
2515 pdata = nttrans_realloc(ppdata, data_len);
2517 reply_nterror(req, NT_STATUS_NO_MEMORY);
2523 /* set params Size of returned Quota Data 4 bytes*/
2524 SIVAL(params,0,data_len);
2526 /* nextoffset entry 4 bytes */
2529 /* then the len of the SID 4 bytes */
2530 SIVAL(entry,4,sid_len);
2532 /* unknown data 8 bytes uint64_t */
2533 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2535 /* the used disk space 8 bytes uint64_t */
2536 SBIG_UINT(entry,16,qt.usedspace);
2538 /* the soft quotas 8 bytes uint64_t */
2539 SBIG_UINT(entry,24,qt.softlim);
2541 /* the hard quotas 8 bytes uint64_t */
2542 SBIG_UINT(entry,32,qt.hardlim);
2544 /* and now the SID */
2545 sid_linearize((uint8_t *)(entry+40), sid_len, &sid);
2550 DEBUG(0, ("do_nt_transact_get_user_quota: %s: unknown "
2552 fsp_fnum_dbg(fsp), level));
2553 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2558 send_nt_replies(conn, req, nt_status, params, param_len,
2562 /****************************************************************************
2563 Reply to set user quota
2564 ****************************************************************************/
2566 static void call_nt_transact_set_user_quota(connection_struct *conn,
2567 struct smb_request *req,
2569 uint32_t setup_count,
2571 uint32_t parameter_count,
2573 uint32_t data_count,
2574 uint32_t max_data_count)
2576 char *params = *ppparams;
2577 char *pdata = *ppdata;
2578 int data_len=0,param_len=0;
2579 SMB_NTQUOTA_STRUCT qt;
2582 files_struct *fsp = NULL;
2587 if (get_current_uid(conn) != 0) {
2588 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2589 "[%s]\n", lp_servicename(talloc_tos(), SNUM(conn)),
2590 conn->session_info->unix_info->unix_name));
2591 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2596 * Ensure minimum number of parameters sent.
2599 if (parameter_count < 2) {
2600 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2601 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2605 /* maybe we can check the quota_fnum */
2606 fsp = file_fsp(req, SVAL(params,0));
2607 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2608 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2609 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2613 if (data_count < 40) {
2614 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2615 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2619 /* offset to next quota record.
2620 * 4 bytes IVAL(pdata,0)
2625 sid_len = IVAL(pdata,4);
2627 if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2628 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2629 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2633 /* unknown 8 bytes in pdata
2634 * maybe its the change time in NTTIME
2637 /* the used space 8 bytes (uint64_t)*/
2638 qt.usedspace = BVAL(pdata,16);
2640 /* the soft quotas 8 bytes (uint64_t)*/
2641 qt.softlim = BVAL(pdata,24);
2643 /* the hard quotas 8 bytes (uint64_t)*/
2644 qt.hardlim = BVAL(pdata,32);
2646 if (!sid_parse((const uint8_t *)(pdata+40), sid_len, &sid)) {
2647 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2651 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2653 /* 44 unknown bytes left... */
2655 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2656 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2660 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2663 #endif /* HAVE_SYS_QUOTAS */
2665 static void handle_nttrans(connection_struct *conn,
2666 struct trans_state *state,
2667 struct smb_request *req)
2669 if (get_Protocol() >= PROTOCOL_NT1) {
2670 req->flags2 |= 0x40; /* IS_LONG_NAME */
2671 SSVAL(discard_const_p(uint8_t, req->inbuf),smb_flg2,req->flags2);
2675 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2677 /* Now we must call the relevant NT_TRANS function */
2678 switch(state->call) {
2679 case NT_TRANSACT_CREATE:
2681 START_PROFILE(NT_transact_create);
2682 call_nt_transact_create(
2684 &state->setup, state->setup_count,
2685 &state->param, state->total_param,
2686 &state->data, state->total_data,
2687 state->max_data_return);
2688 END_PROFILE(NT_transact_create);
2692 case NT_TRANSACT_IOCTL:
2694 START_PROFILE(NT_transact_ioctl);
2695 call_nt_transact_ioctl(
2697 &state->setup, state->setup_count,
2698 &state->param, state->total_param,
2699 &state->data, state->total_data,
2700 state->max_data_return);
2701 END_PROFILE(NT_transact_ioctl);
2705 case NT_TRANSACT_SET_SECURITY_DESC:
2707 START_PROFILE(NT_transact_set_security_desc);
2708 call_nt_transact_set_security_desc(
2710 &state->setup, state->setup_count,
2711 &state->param, state->total_param,
2712 &state->data, state->total_data,
2713 state->max_data_return);
2714 END_PROFILE(NT_transact_set_security_desc);
2718 case NT_TRANSACT_NOTIFY_CHANGE:
2720 START_PROFILE(NT_transact_notify_change);
2721 call_nt_transact_notify_change(
2723 &state->setup, state->setup_count,
2724 &state->param, state->total_param,
2725 &state->data, state->total_data,
2726 state->max_data_return,
2727 state->max_param_return);
2728 END_PROFILE(NT_transact_notify_change);
2732 case NT_TRANSACT_RENAME:
2734 START_PROFILE(NT_transact_rename);
2735 call_nt_transact_rename(
2737 &state->setup, state->setup_count,
2738 &state->param, state->total_param,
2739 &state->data, state->total_data,
2740 state->max_data_return);
2741 END_PROFILE(NT_transact_rename);
2745 case NT_TRANSACT_QUERY_SECURITY_DESC:
2747 START_PROFILE(NT_transact_query_security_desc);
2748 call_nt_transact_query_security_desc(
2750 &state->setup, state->setup_count,
2751 &state->param, state->total_param,
2752 &state->data, state->total_data,
2753 state->max_data_return);
2754 END_PROFILE(NT_transact_query_security_desc);
2758 #ifdef HAVE_SYS_QUOTAS
2759 case NT_TRANSACT_GET_USER_QUOTA:
2761 START_PROFILE(NT_transact_get_user_quota);
2762 call_nt_transact_get_user_quota(
2764 &state->setup, state->setup_count,
2765 &state->param, state->total_param,
2766 &state->data, state->total_data,
2767 state->max_data_return);
2768 END_PROFILE(NT_transact_get_user_quota);
2772 case NT_TRANSACT_SET_USER_QUOTA:
2774 START_PROFILE(NT_transact_set_user_quota);
2775 call_nt_transact_set_user_quota(
2777 &state->setup, state->setup_count,
2778 &state->param, state->total_param,
2779 &state->data, state->total_data,
2780 state->max_data_return);
2781 END_PROFILE(NT_transact_set_user_quota);
2784 #endif /* HAVE_SYS_QUOTAS */
2787 /* Error in request */
2788 DEBUG(0,("handle_nttrans: Unknown request %d in "
2789 "nttrans call\n", state->call));
2790 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2796 /****************************************************************************
2797 Reply to a SMBNTtrans.
2798 ****************************************************************************/
2800 void reply_nttrans(struct smb_request *req)
2802 connection_struct *conn = req->conn;
2807 uint16_t function_code;
2809 struct trans_state *state;
2811 START_PROFILE(SMBnttrans);
2813 if (req->wct < 19) {
2814 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2815 END_PROFILE(SMBnttrans);
2819 pscnt = IVAL(req->vwv+9, 1);
2820 psoff = IVAL(req->vwv+11, 1);
2821 dscnt = IVAL(req->vwv+13, 1);
2822 dsoff = IVAL(req->vwv+15, 1);
2823 function_code = SVAL(req->vwv+18, 0);
2825 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2826 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2827 END_PROFILE(SMBnttrans);
2831 result = allow_new_trans(conn->pending_trans, req->mid);
2832 if (!NT_STATUS_IS_OK(result)) {
2833 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2834 reply_nterror(req, result);
2835 END_PROFILE(SMBnttrans);
2839 if ((state = talloc(conn, struct trans_state)) == NULL) {
2840 reply_nterror(req, NT_STATUS_NO_MEMORY);
2841 END_PROFILE(SMBnttrans);
2845 state->cmd = SMBnttrans;
2847 state->mid = req->mid;
2848 state->vuid = req->vuid;
2849 state->total_data = IVAL(req->vwv+3, 1);
2851 state->total_param = IVAL(req->vwv+1, 1);
2852 state->param = NULL;
2853 state->max_data_return = IVAL(req->vwv+7, 1);
2854 state->max_param_return = IVAL(req->vwv+5, 1);
2856 /* setup count is in *words* */
2857 state->setup_count = 2*CVAL(req->vwv+17, 1);
2858 state->setup = NULL;
2859 state->call = function_code;
2861 DEBUG(10, ("num_setup=%u, "
2862 "param_total=%u, this_param=%u, max_param=%u, "
2863 "data_total=%u, this_data=%u, max_data=%u, "
2864 "param_offset=%u, data_offset=%u\n",
2865 (unsigned)state->setup_count,
2866 (unsigned)state->total_param, (unsigned)pscnt,
2867 (unsigned)state->max_param_return,
2868 (unsigned)state->total_data, (unsigned)dscnt,
2869 (unsigned)state->max_data_return,
2870 (unsigned)psoff, (unsigned)dsoff));
2873 * All nttrans messages we handle have smb_wct == 19 +
2874 * state->setup_count. Ensure this is so as a sanity check.
2877 if(req->wct != 19 + (state->setup_count/2)) {
2878 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2879 req->wct, 19 + (state->setup_count/2)));
2883 /* Don't allow more than 128mb for each value. */
2884 if ((state->total_data > (1024*1024*128)) ||
2885 (state->total_param > (1024*1024*128))) {
2886 reply_nterror(req, NT_STATUS_NO_MEMORY);
2887 END_PROFILE(SMBnttrans);
2891 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2894 if (state->total_data) {
2896 if (trans_oob(state->total_data, 0, dscnt)
2897 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2901 /* Can't use talloc here, the core routines do realloc on the
2902 * params and data. */
2903 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2904 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2905 "bytes !\n", (unsigned int)state->total_data));
2907 reply_nterror(req, NT_STATUS_NO_MEMORY);
2908 END_PROFILE(SMBnttrans);
2912 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2915 if (state->total_param) {
2917 if (trans_oob(state->total_param, 0, pscnt)
2918 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2922 /* Can't use talloc here, the core routines do realloc on the
2923 * params and data. */
2924 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2925 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2926 "bytes !\n", (unsigned int)state->total_param));
2927 SAFE_FREE(state->data);
2929 reply_nterror(req, NT_STATUS_NO_MEMORY);
2930 END_PROFILE(SMBnttrans);
2934 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2937 state->received_data = dscnt;
2938 state->received_param = pscnt;
2940 if(state->setup_count > 0) {
2941 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2942 state->setup_count));
2945 * No overflow possible here, state->setup_count is an
2946 * unsigned int, being filled by a single byte from
2947 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2948 * below is not necessary, it's here to clarify things. The
2949 * validity of req->vwv and req->wct has been checked in
2950 * init_smb_request already.
2952 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2956 state->setup = (uint16_t *)TALLOC(state, state->setup_count);
2957 if (state->setup == NULL) {
2958 DEBUG(0,("reply_nttrans : Out of memory\n"));
2959 SAFE_FREE(state->data);
2960 SAFE_FREE(state->param);
2962 reply_nterror(req, NT_STATUS_NO_MEMORY);
2963 END_PROFILE(SMBnttrans);
2967 memcpy(state->setup, req->vwv+19, state->setup_count);
2968 dump_data(10, (uint8_t *)state->setup, state->setup_count);
2971 if ((state->received_data == state->total_data) &&
2972 (state->received_param == state->total_param)) {
2973 handle_nttrans(conn, state, req);
2974 SAFE_FREE(state->param);
2975 SAFE_FREE(state->data);
2977 END_PROFILE(SMBnttrans);
2981 DLIST_ADD(conn->pending_trans, state);
2983 /* We need to send an interim response then receive the rest
2984 of the parameter/data bytes */
2985 reply_outbuf(req, 0, 0);
2986 show_msg((char *)req->outbuf);
2987 END_PROFILE(SMBnttrans);
2992 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2993 SAFE_FREE(state->data);
2994 SAFE_FREE(state->param);
2996 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2997 END_PROFILE(SMBnttrans);
3001 /****************************************************************************
3002 Reply to a SMBnttranss
3003 ****************************************************************************/
3005 void reply_nttranss(struct smb_request *req)
3007 connection_struct *conn = req->conn;
3008 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3009 struct trans_state *state;
3011 START_PROFILE(SMBnttranss);
3013 show_msg((const char *)req->inbuf);
3015 /* Windows clients expect all replies to
3016 an NT transact secondary (SMBnttranss 0xA1)
3017 to have a command code of NT transact
3018 (SMBnttrans 0xA0). See bug #8989 for details. */
3019 req->cmd = SMBnttrans;
3021 if (req->wct < 18) {
3022 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3023 END_PROFILE(SMBnttranss);
3027 for (state = conn->pending_trans; state != NULL;
3028 state = state->next) {
3029 if (state->mid == req->mid) {
3034 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3035 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3036 END_PROFILE(SMBnttranss);
3040 /* Revise state->total_param and state->total_data in case they have
3041 changed downwards */
3042 if (IVAL(req->vwv+1, 1) < state->total_param) {
3043 state->total_param = IVAL(req->vwv+1, 1);
3045 if (IVAL(req->vwv+3, 1) < state->total_data) {
3046 state->total_data = IVAL(req->vwv+3, 1);
3049 pcnt = IVAL(req->vwv+5, 1);
3050 poff = IVAL(req->vwv+7, 1);
3051 pdisp = IVAL(req->vwv+9, 1);
3053 dcnt = IVAL(req->vwv+11, 1);
3054 doff = IVAL(req->vwv+13, 1);
3055 ddisp = IVAL(req->vwv+15, 1);
3057 state->received_param += pcnt;
3058 state->received_data += dcnt;
3060 if ((state->received_data > state->total_data) ||
3061 (state->received_param > state->total_param))
3065 if (trans_oob(state->total_param, pdisp, pcnt)
3066 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3069 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3073 if (trans_oob(state->total_data, ddisp, dcnt)
3074 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3077 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3080 if ((state->received_param < state->total_param) ||
3081 (state->received_data < state->total_data)) {
3082 END_PROFILE(SMBnttranss);
3086 handle_nttrans(conn, state, req);
3088 DLIST_REMOVE(conn->pending_trans, state);
3089 SAFE_FREE(state->data);
3090 SAFE_FREE(state->param);
3092 END_PROFILE(SMBnttranss);
3097 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3098 DLIST_REMOVE(conn->pending_trans, state);
3099 SAFE_FREE(state->data);
3100 SAFE_FREE(state->param);
3102 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3103 END_PROFILE(SMBnttranss);