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 "smbd/globals.h"
23 #include "fake_file.h"
24 #include "../libcli/security/security.h"
25 #include "../librpc/gen_ndr/ndr_security.h"
27 extern const struct generic_mapping file_generic_mapping;
29 static char *nttrans_realloc(char **ptr, size_t size)
32 smb_panic("nttrans_realloc() called with NULL ptr");
35 *ptr = (char *)SMB_REALLOC(*ptr, size);
39 memset(*ptr,'\0',size);
43 /****************************************************************************
44 Send the required number of replies back.
45 We assume all fields other than the data fields are
46 set correctly for the type of call.
47 HACK ! Always assumes smb_setup field is zero.
48 ****************************************************************************/
50 void send_nt_replies(connection_struct *conn,
51 struct smb_request *req, NTSTATUS nt_error,
52 char *params, int paramsize,
53 char *pdata, int datasize)
55 int data_to_send = datasize;
56 int params_to_send = paramsize;
60 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
61 int alignment_offset = 3;
62 int data_alignment_offset = 0;
63 struct smbd_server_connection *sconn = req->sconn;
64 int max_send = sconn->smb1.sessions.max_send;
67 * If there genuinely are no parameters or data to send just send
71 if(params_to_send == 0 && data_to_send == 0) {
72 reply_outbuf(req, 18, 0);
73 if (NT_STATUS_V(nt_error)) {
74 error_packet_set((char *)req->outbuf,
78 show_msg((char *)req->outbuf);
79 if (!srv_send_smb(sconn,
82 IS_CONN_ENCRYPTED(conn),
84 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
86 TALLOC_FREE(req->outbuf);
91 * When sending params and data ensure that both are nicely aligned.
92 * Only do this alignment when there is also data to send - else
93 * can cause NT redirector problems.
96 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
97 data_alignment_offset = 4 - (params_to_send % 4);
101 * Space is bufsize minus Netbios over TCP header minus SMB header.
102 * The alignment_offset is to align the param bytes on a four byte
103 * boundary (2 bytes for data len, one byte pad).
104 * NT needs this to work correctly.
107 useable_space = max_send - (smb_size
110 + data_alignment_offset);
112 if (useable_space < 0) {
113 char *msg = talloc_asprintf(
115 "send_nt_replies failed sanity useable_space = %d!!!",
117 DEBUG(0, ("%s\n", msg));
118 exit_server_cleanly(msg);
121 while (params_to_send || data_to_send) {
124 * Calculate whether we will totally or partially fill this packet.
127 total_sent_thistime = params_to_send + data_to_send;
130 * We can never send more than useable_space.
133 total_sent_thistime = MIN(total_sent_thistime, useable_space);
135 reply_outbuf(req, 18,
136 total_sent_thistime + alignment_offset
137 + data_alignment_offset);
140 * We might have had SMBnttranss in req->inbuf, fix that.
142 SCVAL(req->outbuf, smb_com, SMBnttrans);
145 * Set total params and data to be sent.
148 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
149 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
152 * Calculate how many parameters and data we can fit into
153 * this packet. Parameters get precedence.
156 params_sent_thistime = MIN(params_to_send,useable_space);
157 data_sent_thistime = useable_space - params_sent_thistime;
158 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
160 SIVAL(req->outbuf, smb_ntr_ParameterCount,
161 params_sent_thistime);
163 if(params_sent_thistime == 0) {
164 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
165 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
168 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
169 * parameter bytes, however the first 4 bytes of outbuf are
170 * the Netbios over TCP header. Thus use smb_base() to subtract
171 * them from the calculation.
174 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
175 ((smb_buf(req->outbuf)+alignment_offset)
176 - smb_base(req->outbuf)));
178 * Absolute displacement of param bytes sent in this packet.
181 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
186 * Deal with the data portion.
189 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
191 if(data_sent_thistime == 0) {
192 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
193 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
196 * The offset of the data bytes is the offset of the
197 * parameter bytes plus the number of parameters being sent this time.
200 SIVAL(req->outbuf, smb_ntr_DataOffset,
201 ((smb_buf(req->outbuf)+alignment_offset) -
202 smb_base(req->outbuf))
203 + params_sent_thistime + data_alignment_offset);
204 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
208 * Copy the param bytes into the packet.
211 if(params_sent_thistime) {
212 if (alignment_offset != 0) {
213 memset(smb_buf(req->outbuf), 0,
216 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
217 params_sent_thistime);
221 * Copy in the data bytes
224 if(data_sent_thistime) {
225 if (data_alignment_offset != 0) {
226 memset((smb_buf(req->outbuf)+alignment_offset+
227 params_sent_thistime), 0,
228 data_alignment_offset);
230 memcpy(smb_buf(req->outbuf)+alignment_offset
231 +params_sent_thistime+data_alignment_offset,
232 pd,data_sent_thistime);
235 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
236 params_sent_thistime, data_sent_thistime, useable_space));
237 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
238 params_to_send, data_to_send, paramsize, datasize));
240 if (NT_STATUS_V(nt_error)) {
241 error_packet_set((char *)req->outbuf,
246 /* Send the packet */
247 show_msg((char *)req->outbuf);
248 if (!srv_send_smb(sconn,
251 IS_CONN_ENCRYPTED(conn),
253 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
256 TALLOC_FREE(req->outbuf);
258 pp += params_sent_thistime;
259 pd += data_sent_thistime;
261 params_to_send -= params_sent_thistime;
262 data_to_send -= data_sent_thistime;
268 if(params_to_send < 0 || data_to_send < 0) {
269 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
270 params_to_send, data_to_send));
271 exit_server_cleanly("send_nt_replies: internal error");
276 /****************************************************************************
277 Reply to an NT create and X call on a pipe
278 ****************************************************************************/
280 static void nt_open_pipe(char *fname, connection_struct *conn,
281 struct smb_request *req, int *ppnum)
286 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
288 /* Strip \\ off the name. */
291 status = open_np_file(req, fname, &fsp);
292 if (!NT_STATUS_IS_OK(status)) {
293 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
294 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
298 reply_nterror(req, status);
306 /****************************************************************************
307 Reply to an NT create and X call for pipes.
308 ****************************************************************************/
310 static void do_ntcreate_pipe_open(connection_struct *conn,
311 struct smb_request *req)
316 uint32 flags = IVAL(req->vwv+3, 1);
317 TALLOC_CTX *ctx = talloc_tos();
319 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
322 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
326 nt_open_pipe(fname, conn, req, &pnum);
334 * Deal with pipe return.
337 if (flags & EXTENDED_RESPONSE_REQUIRED) {
338 /* This is very strange. We
339 * return 50 words, but only set
340 * the wcnt to 42 ? It's definately
341 * what happens on the wire....
343 reply_outbuf(req, 50, 0);
344 SCVAL(req->outbuf,smb_wct,42);
346 reply_outbuf(req, 34, 0);
349 p = (char *)req->outbuf + smb_vwv2;
353 SIVAL(p,0,FILE_WAS_OPENED);
356 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
359 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
361 SSVAL(p,2, 0x5FF); /* ? */
364 if (flags & EXTENDED_RESPONSE_REQUIRED) {
366 SIVAL(p,0,FILE_GENERIC_ALL);
368 * For pipes W2K3 seems to return
370 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
372 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
375 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
380 struct case_semantics_state {
381 connection_struct *conn;
384 bool short_case_preserve;
387 /****************************************************************************
388 Restore case semantics.
389 ****************************************************************************/
391 static int restore_case_semantics(struct case_semantics_state *state)
393 state->conn->case_sensitive = state->case_sensitive;
394 state->conn->case_preserve = state->case_preserve;
395 state->conn->short_case_preserve = state->short_case_preserve;
399 /****************************************************************************
401 ****************************************************************************/
403 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
404 connection_struct *conn)
406 struct case_semantics_state *result;
408 if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
413 result->case_sensitive = conn->case_sensitive;
414 result->case_preserve = conn->case_preserve;
415 result->short_case_preserve = conn->short_case_preserve;
418 conn->case_sensitive = True;
419 conn->case_preserve = True;
420 conn->short_case_preserve = True;
422 talloc_set_destructor(result, restore_case_semantics);
427 /****************************************************************************
428 Reply to an NT create and X call.
429 ****************************************************************************/
431 void reply_ntcreate_and_X(struct smb_request *req)
433 connection_struct *conn = req->conn;
434 struct smb_filename *smb_fname = NULL;
438 uint32 file_attributes;
440 uint32 create_disposition;
441 uint32 create_options;
443 uint64_t allocation_size;
444 /* Breakout the oplock request bits so we can set the
445 reply bits separately. */
447 SMB_OFF_T file_len = 0;
449 files_struct *fsp = NULL;
451 struct timespec create_timespec;
452 struct timespec c_timespec;
453 struct timespec a_timespec;
454 struct timespec m_timespec;
455 struct timespec write_time_ts;
458 uint8_t oplock_granted = NO_OPLOCK_RETURN;
459 struct case_semantics_state *case_state = NULL;
460 TALLOC_CTX *ctx = talloc_tos();
462 START_PROFILE(SMBntcreateX);
465 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
469 flags = IVAL(req->vwv+3, 1);
470 access_mask = IVAL(req->vwv+7, 1);
471 file_attributes = IVAL(req->vwv+13, 1);
472 share_access = IVAL(req->vwv+15, 1);
473 create_disposition = IVAL(req->vwv+17, 1);
474 create_options = IVAL(req->vwv+19, 1);
475 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
477 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
478 #ifdef LARGE_SMB_OFF_T
479 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
482 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
483 STR_TERMINATE, &status);
485 if (!NT_STATUS_IS_OK(status)) {
486 reply_nterror(req, status);
490 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
491 "file_attributes = 0x%x, share_access = 0x%x, "
492 "create_disposition = 0x%x create_options = 0x%x "
493 "root_dir_fid = 0x%x, fname = %s\n",
495 (unsigned int)access_mask,
496 (unsigned int)file_attributes,
497 (unsigned int)share_access,
498 (unsigned int)create_disposition,
499 (unsigned int)create_options,
500 (unsigned int)root_dir_fid,
504 * we need to remove ignored bits when they come directly from the client
505 * because we reuse some of them for internal stuff
507 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
510 * If it's an IPC, use the pipe handler.
514 if (lp_nt_pipe_support()) {
515 do_ntcreate_pipe_open(conn, req);
518 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
522 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
523 if (oplock_request) {
524 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
528 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
529 case_state = set_posix_case_semantics(ctx, conn);
531 reply_nterror(req, NT_STATUS_NO_MEMORY);
536 status = filename_convert(ctx,
538 req->flags2 & FLAGS2_DFS_PATHNAMES,
544 TALLOC_FREE(case_state);
546 if (!NT_STATUS_IS_OK(status)) {
547 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
549 NT_STATUS_PATH_NOT_COVERED,
553 reply_nterror(req, status);
558 * Bug #6898 - clients using Windows opens should
559 * never be able to set this attribute into the
562 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
564 status = SMB_VFS_CREATE_FILE(
567 root_dir_fid, /* root_dir_fid */
568 smb_fname, /* fname */
569 access_mask, /* access_mask */
570 share_access, /* share_access */
571 create_disposition, /* create_disposition*/
572 create_options, /* create_options */
573 file_attributes, /* file_attributes */
574 oplock_request, /* oplock_request */
575 allocation_size, /* allocation_size */
576 0, /* private_flags */
582 if (!NT_STATUS_IS_OK(status)) {
583 if (open_was_deferred(req->mid)) {
584 /* We have re-scheduled this call, no error. */
587 reply_openerror(req, status);
591 /* Ensure we're pointing at the correct stat struct. */
592 TALLOC_FREE(smb_fname);
593 smb_fname = fsp->fsp_name;
596 * If the caller set the extended oplock request bit
597 * and we granted one (by whatever means) - set the
598 * correct bit for extended oplock reply.
601 if (oplock_request &&
602 (lp_fake_oplocks(SNUM(conn))
603 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
606 * Exclusive oplock granted
609 if (flags & REQUEST_BATCH_OPLOCK) {
610 oplock_granted = BATCH_OPLOCK_RETURN;
612 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
614 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
615 oplock_granted = LEVEL_II_OPLOCK_RETURN;
617 oplock_granted = NO_OPLOCK_RETURN;
620 file_len = smb_fname->st.st_ex_size;
622 if (flags & EXTENDED_RESPONSE_REQUIRED) {
623 /* This is very strange. We
624 * return 50 words, but only set
625 * the wcnt to 42 ? It's definately
626 * what happens on the wire....
628 reply_outbuf(req, 50, 0);
629 SCVAL(req->outbuf,smb_wct,42);
631 reply_outbuf(req, 34, 0);
634 p = (char *)req->outbuf + smb_vwv2;
636 SCVAL(p, 0, oplock_granted);
639 SSVAL(p,0,fsp->fnum);
641 if ((create_disposition == FILE_SUPERSEDE)
642 && (info == FILE_WAS_OVERWRITTEN)) {
643 SIVAL(p,0,FILE_WAS_SUPERSEDED);
649 fattr = dos_mode(conn, smb_fname);
651 fattr = FILE_ATTRIBUTE_NORMAL;
654 /* Deal with other possible opens having a modified
656 ZERO_STRUCT(write_time_ts);
657 get_file_infos(fsp->file_id, NULL, &write_time_ts);
658 if (!null_timespec(write_time_ts)) {
659 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
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;
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 = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, 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 ||
717 can_write_to_file(conn, smb_fname)) {
718 perms = FILE_GENERIC_ALL;
720 perms = FILE_GENERIC_READ|FILE_EXECUTE;
725 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
726 fsp->fnum, 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 **ppsetup, uint32 setup_count,
741 char **ppparams, uint32 parameter_count,
742 char **ppdata, uint32 data_count)
745 char *params = *ppparams;
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 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
766 parameter_count-53, STR_TERMINATE,
768 if (!NT_STATUS_IS_OK(status)) {
769 reply_nterror(req, status);
773 nt_open_pipe(fname, conn, req, &pnum);
780 /* Realloc the size of parameters and data we will return */
781 if (flags & EXTENDED_RESPONSE_REQUIRED) {
782 /* Extended response is 32 more byyes. */
787 params = nttrans_realloc(ppparams, param_len);
789 reply_nterror(req, NT_STATUS_NO_MEMORY);
794 SCVAL(p,0,NO_OPLOCK_RETURN);
799 SIVAL(p,0,FILE_WAS_OPENED);
803 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
806 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
808 SSVAL(p,2, 0x5FF); /* ? */
811 if (flags & EXTENDED_RESPONSE_REQUIRED) {
813 SIVAL(p,0,FILE_GENERIC_ALL);
815 * For pipes W2K3 seems to return
817 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
819 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
822 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
824 /* Send the required number of replies */
825 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
830 /****************************************************************************
831 Internal fn to set security descriptors.
832 ****************************************************************************/
834 NTSTATUS set_sd(files_struct *fsp, uint8_t *data, uint32_t sd_len,
835 uint32_t security_info_sent)
837 struct security_descriptor *psd = NULL;
841 return NT_STATUS_INVALID_PARAMETER;
844 if (!CAN_WRITE(fsp->conn)) {
845 return NT_STATUS_ACCESS_DENIED;
848 if (!lp_nt_acl_support(SNUM(fsp->conn))) {
852 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
854 if (!NT_STATUS_IS_OK(status)) {
858 if (psd->owner_sid == NULL) {
859 security_info_sent &= ~SECINFO_OWNER;
861 if (psd->group_sid == NULL) {
862 security_info_sent &= ~SECINFO_GROUP;
865 /* Ensure we have at least one thing set. */
866 if ((security_info_sent & (SECINFO_OWNER|SECINFO_GROUP|SECINFO_DACL|SECINFO_SACL)) == 0) {
867 return NT_STATUS_INVALID_PARAMETER;
870 /* Ensure we have the rights to do this. */
871 if (security_info_sent & SECINFO_OWNER) {
872 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
873 return NT_STATUS_ACCESS_DENIED;
877 if (security_info_sent & SECINFO_GROUP) {
878 if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
879 return NT_STATUS_ACCESS_DENIED;
883 if (security_info_sent & SECINFO_DACL) {
884 if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
885 return NT_STATUS_ACCESS_DENIED;
887 /* Convert all the generic bits. */
889 security_acl_map_generic(psd->dacl, &file_generic_mapping);
893 if (security_info_sent & SECINFO_SACL) {
894 if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
895 return NT_STATUS_ACCESS_DENIED;
897 /* Convert all the generic bits. */
899 security_acl_map_generic(psd->sacl, &file_generic_mapping);
903 if (DEBUGLEVEL >= 10) {
904 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
905 NDR_PRINT_DEBUG(security_descriptor, psd);
908 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
915 /****************************************************************************
916 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
917 ****************************************************************************/
919 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
921 struct ea_list *ea_list_head = NULL;
928 while (offset + 4 <= data_size) {
929 size_t next_offset = IVAL(pdata,offset);
930 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
936 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
937 if (next_offset == 0) {
940 offset += next_offset;
946 /****************************************************************************
947 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
948 ****************************************************************************/
950 static void call_nt_transact_create(connection_struct *conn,
951 struct smb_request *req,
952 uint16 **ppsetup, uint32 setup_count,
953 char **ppparams, uint32 parameter_count,
954 char **ppdata, uint32 data_count,
955 uint32 max_data_count)
957 struct smb_filename *smb_fname = NULL;
959 char *params = *ppparams;
960 char *data = *ppdata;
961 /* Breakout the oplock request bits so we can set the reply bits separately. */
963 SMB_OFF_T file_len = 0;
965 files_struct *fsp = NULL;
969 uint32 file_attributes;
971 uint32 create_disposition;
972 uint32 create_options;
974 struct security_descriptor *sd = NULL;
977 struct timespec create_timespec;
978 struct timespec c_timespec;
979 struct timespec a_timespec;
980 struct timespec m_timespec;
981 struct timespec write_time_ts;
982 struct ea_list *ea_list = NULL;
985 uint64_t allocation_size;
987 uint8_t oplock_granted;
988 struct case_semantics_state *case_state = NULL;
989 TALLOC_CTX *ctx = talloc_tos();
991 DEBUG(5,("call_nt_transact_create\n"));
994 * If it's an IPC, use the pipe handler.
998 if (lp_nt_pipe_support()) {
999 do_nt_transact_create_pipe(
1001 ppsetup, setup_count,
1002 ppparams, parameter_count,
1003 ppdata, data_count);
1006 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1011 * Ensure minimum number of parameters sent.
1014 if(parameter_count < 54) {
1015 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1016 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1020 flags = IVAL(params,0);
1021 access_mask = IVAL(params,8);
1022 file_attributes = IVAL(params,20);
1023 share_access = IVAL(params,24);
1024 create_disposition = IVAL(params,28);
1025 create_options = IVAL(params,32);
1026 sd_len = IVAL(params,36);
1027 ea_len = IVAL(params,40);
1028 root_dir_fid = (uint16)IVAL(params,4);
1029 allocation_size = (uint64_t)IVAL(params,12);
1030 #ifdef LARGE_SMB_OFF_T
1031 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
1035 * we need to remove ignored bits when they come directly from the client
1036 * because we reuse some of them for internal stuff
1038 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1040 /* Ensure the data_len is correct for the sd and ea values given. */
1041 if ((ea_len + sd_len > data_count)
1042 || (ea_len > data_count) || (sd_len > data_count)
1043 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1044 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1045 "%u, data_count = %u\n", (unsigned int)ea_len,
1046 (unsigned int)sd_len, (unsigned int)data_count));
1047 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1052 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1055 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1057 if (!NT_STATUS_IS_OK(status)) {
1058 DEBUG(10, ("call_nt_transact_create: "
1059 "unmarshall_sec_desc failed: %s\n",
1060 nt_errstr(status)));
1061 reply_nterror(req, status);
1067 if (!lp_ea_support(SNUM(conn))) {
1068 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1069 "EA's not supported.\n",
1070 (unsigned int)ea_len));
1071 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1076 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1077 "too small (should be more than 10)\n",
1078 (unsigned int)ea_len ));
1079 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1083 /* We have already checked that ea_len <= data_count here. */
1084 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1086 if (ea_list == NULL) {
1087 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1092 srvstr_get_path(ctx, params, req->flags2, &fname,
1093 params+53, parameter_count-53,
1094 STR_TERMINATE, &status);
1095 if (!NT_STATUS_IS_OK(status)) {
1096 reply_nterror(req, status);
1100 if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1101 case_state = set_posix_case_semantics(ctx, conn);
1103 reply_nterror(req, NT_STATUS_NO_MEMORY);
1108 status = filename_convert(ctx,
1110 req->flags2 & FLAGS2_DFS_PATHNAMES,
1116 TALLOC_FREE(case_state);
1118 if (!NT_STATUS_IS_OK(status)) {
1119 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1120 reply_botherror(req,
1121 NT_STATUS_PATH_NOT_COVERED,
1122 ERRSRV, ERRbadpath);
1125 reply_nterror(req, status);
1129 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1130 if (oplock_request) {
1131 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1136 * Bug #6898 - clients using Windows opens should
1137 * never be able to set this attribute into the
1140 file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1142 status = SMB_VFS_CREATE_FILE(
1145 root_dir_fid, /* root_dir_fid */
1146 smb_fname, /* fname */
1147 access_mask, /* access_mask */
1148 share_access, /* share_access */
1149 create_disposition, /* create_disposition*/
1150 create_options, /* create_options */
1151 file_attributes, /* file_attributes */
1152 oplock_request, /* oplock_request */
1153 allocation_size, /* allocation_size */
1154 0, /* private_flags */
1156 ea_list, /* ea_list */
1160 if(!NT_STATUS_IS_OK(status)) {
1161 if (open_was_deferred(req->mid)) {
1162 /* We have re-scheduled this call, no error. */
1165 reply_openerror(req, status);
1169 /* Ensure we're pointing at the correct stat struct. */
1170 TALLOC_FREE(smb_fname);
1171 smb_fname = fsp->fsp_name;
1174 * If the caller set the extended oplock request bit
1175 * and we granted one (by whatever means) - set the
1176 * correct bit for extended oplock reply.
1179 if (oplock_request &&
1180 (lp_fake_oplocks(SNUM(conn))
1181 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1184 * Exclusive oplock granted
1187 if (flags & REQUEST_BATCH_OPLOCK) {
1188 oplock_granted = BATCH_OPLOCK_RETURN;
1190 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1192 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1193 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1195 oplock_granted = NO_OPLOCK_RETURN;
1198 file_len = smb_fname->st.st_ex_size;
1200 /* Realloc the size of parameters and data we will return */
1201 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1202 /* Extended response is 32 more byyes. */
1207 params = nttrans_realloc(ppparams, param_len);
1208 if(params == NULL) {
1209 reply_nterror(req, NT_STATUS_NO_MEMORY);
1214 SCVAL(p, 0, oplock_granted);
1217 SSVAL(p,0,fsp->fnum);
1219 if ((create_disposition == FILE_SUPERSEDE)
1220 && (info == FILE_WAS_OVERWRITTEN)) {
1221 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1227 fattr = dos_mode(conn, smb_fname);
1229 fattr = FILE_ATTRIBUTE_NORMAL;
1232 /* Deal with other possible opens having a modified
1234 ZERO_STRUCT(write_time_ts);
1235 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1236 if (!null_timespec(write_time_ts)) {
1237 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1241 create_timespec = get_create_timespec(conn, fsp, smb_fname);
1242 a_timespec = smb_fname->st.st_ex_atime;
1243 m_timespec = smb_fname->st.st_ex_mtime;
1244 c_timespec = get_change_timespec(conn, fsp, smb_fname);
1246 if (lp_dos_filetime_resolution(SNUM(conn))) {
1247 dos_filetime_timespec(&create_timespec);
1248 dos_filetime_timespec(&a_timespec);
1249 dos_filetime_timespec(&m_timespec);
1250 dos_filetime_timespec(&c_timespec);
1253 put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1255 put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1257 put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1259 put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1261 SIVAL(p,0,fattr); /* File Attributes. */
1263 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1265 SOFF_T(p,0,file_len);
1267 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1268 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1269 size_t num_names = 0;
1270 unsigned int num_streams;
1271 struct stream_struct *streams = NULL;
1273 /* Do we have any EA's ? */
1274 status = get_ea_names_from_file(ctx, conn, fsp,
1275 smb_fname->base_name, NULL, &num_names);
1276 if (NT_STATUS_IS_OK(status) && num_names) {
1277 file_status &= ~NO_EAS;
1279 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1280 &num_streams, &streams);
1281 /* There is always one stream, ::$DATA. */
1282 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1283 file_status &= ~NO_SUBSTREAMS;
1285 TALLOC_FREE(streams);
1286 SSVAL(p,2,file_status);
1289 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1291 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1294 if (fsp->is_directory ||
1295 can_write_to_file(conn, smb_fname)) {
1296 perms = FILE_GENERIC_ALL;
1298 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1303 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1304 smb_fname_str_dbg(smb_fname)));
1306 /* Send the required number of replies */
1307 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1312 /****************************************************************************
1313 Reply to a NT CANCEL request.
1314 conn POINTER CAN BE NULL HERE !
1315 ****************************************************************************/
1317 void reply_ntcancel(struct smb_request *req)
1320 * Go through and cancel any pending change notifies.
1323 START_PROFILE(SMBntcancel);
1324 srv_cancel_sign_response(req->sconn);
1325 remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1326 remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1328 DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1329 (unsigned long long)req->mid));
1331 END_PROFILE(SMBntcancel);
1335 /****************************************************************************
1337 ****************************************************************************/
1339 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1340 connection_struct *conn,
1341 struct smb_request *req,
1342 struct smb_filename *smb_fname_src,
1343 struct smb_filename *smb_fname_dst,
1346 files_struct *fsp1,*fsp2;
1350 NTSTATUS status = NT_STATUS_OK;
1353 if (!CAN_WRITE(conn)) {
1354 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1358 /* Source must already exist. */
1359 if (!VALID_STAT(smb_fname_src->st)) {
1360 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1364 /* Ensure attributes match. */
1365 fattr = dos_mode(conn, smb_fname_src);
1366 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1367 status = NT_STATUS_NO_SUCH_FILE;
1371 /* Disallow if dst file already exists. */
1372 if (VALID_STAT(smb_fname_dst->st)) {
1373 status = NT_STATUS_OBJECT_NAME_COLLISION;
1377 /* No links from a directory. */
1378 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1379 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1383 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1384 smb_fname_str_dbg(smb_fname_src),
1385 smb_fname_str_dbg(smb_fname_dst)));
1387 status = SMB_VFS_CREATE_FILE(
1390 0, /* root_dir_fid */
1391 smb_fname_src, /* fname */
1392 FILE_READ_DATA, /* access_mask */
1393 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1395 FILE_OPEN, /* create_disposition*/
1396 0, /* create_options */
1397 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1398 NO_OPLOCK, /* oplock_request */
1399 0, /* allocation_size */
1400 0, /* private_flags */
1406 if (!NT_STATUS_IS_OK(status)) {
1410 status = SMB_VFS_CREATE_FILE(
1413 0, /* root_dir_fid */
1414 smb_fname_dst, /* fname */
1415 FILE_WRITE_DATA, /* access_mask */
1416 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1418 FILE_CREATE, /* create_disposition*/
1419 0, /* create_options */
1420 fattr, /* file_attributes */
1421 NO_OPLOCK, /* oplock_request */
1422 0, /* allocation_size */
1423 0, /* private_flags */
1429 if (!NT_STATUS_IS_OK(status)) {
1430 close_file(NULL, fsp1, ERROR_CLOSE);
1434 if (smb_fname_src->st.st_ex_size) {
1435 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1439 * As we are opening fsp1 read-only we only expect
1440 * an error on close on fsp2 if we are out of space.
1441 * Thus we don't look at the error return from the
1444 close_file(NULL, fsp1, NORMAL_CLOSE);
1446 /* Ensure the modtime is set correctly on the destination file. */
1447 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1449 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1451 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1452 creates the file. This isn't the correct thing to do in the copy
1454 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1456 status = NT_STATUS_NO_MEMORY;
1459 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1460 TALLOC_FREE(parent);
1462 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1463 status = NT_STATUS_DISK_FULL;
1467 if (!NT_STATUS_IS_OK(status)) {
1468 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1469 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1470 smb_fname_str_dbg(smb_fname_dst)));
1476 /****************************************************************************
1477 Reply to a NT rename request.
1478 ****************************************************************************/
1480 void reply_ntrename(struct smb_request *req)
1482 connection_struct *conn = req->conn;
1483 struct smb_filename *smb_fname_old = NULL;
1484 struct smb_filename *smb_fname_new = NULL;
1485 char *oldname = NULL;
1486 char *newname = NULL;
1489 bool src_has_wcard = False;
1490 bool dest_has_wcard = False;
1492 uint32_t ucf_flags_src = 0;
1493 uint32_t ucf_flags_dst = 0;
1495 TALLOC_CTX *ctx = talloc_tos();
1497 START_PROFILE(SMBntrename);
1500 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1504 attrs = SVAL(req->vwv+0, 0);
1505 rename_type = SVAL(req->vwv+1, 0);
1507 p = (const char *)req->buf + 1;
1508 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1509 &status, &src_has_wcard);
1510 if (!NT_STATUS_IS_OK(status)) {
1511 reply_nterror(req, status);
1515 if (ms_has_wild(oldname)) {
1516 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1521 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1522 &status, &dest_has_wcard);
1523 if (!NT_STATUS_IS_OK(status)) {
1524 reply_nterror(req, status);
1528 /* The newname must begin with a ':' if the oldname contains a ':'. */
1529 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1530 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1535 * If this is a rename operation, allow wildcards and save the
1536 * destination's last component.
1538 if (rename_type == RENAME_FLAG_RENAME) {
1539 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1540 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1543 /* rename_internals() calls unix_convert(), so don't call it here. */
1544 status = filename_convert(ctx, conn,
1545 req->flags2 & FLAGS2_DFS_PATHNAMES,
1550 if (!NT_STATUS_IS_OK(status)) {
1551 if (NT_STATUS_EQUAL(status,
1552 NT_STATUS_PATH_NOT_COVERED)) {
1553 reply_botherror(req,
1554 NT_STATUS_PATH_NOT_COVERED,
1555 ERRSRV, ERRbadpath);
1558 reply_nterror(req, status);
1562 status = filename_convert(ctx, conn,
1563 req->flags2 & FLAGS2_DFS_PATHNAMES,
1568 if (!NT_STATUS_IS_OK(status)) {
1569 if (NT_STATUS_EQUAL(status,
1570 NT_STATUS_PATH_NOT_COVERED)) {
1571 reply_botherror(req,
1572 NT_STATUS_PATH_NOT_COVERED,
1573 ERRSRV, ERRbadpath);
1576 reply_nterror(req, status);
1580 DEBUG(3,("reply_ntrename: %s -> %s\n",
1581 smb_fname_str_dbg(smb_fname_old),
1582 smb_fname_str_dbg(smb_fname_new)));
1584 switch(rename_type) {
1585 case RENAME_FLAG_RENAME:
1586 status = rename_internals(ctx, conn, req,
1587 smb_fname_old, smb_fname_new,
1588 attrs, False, src_has_wcard,
1592 case RENAME_FLAG_HARD_LINK:
1593 if (src_has_wcard || dest_has_wcard) {
1595 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1597 status = hardlink_internals(ctx, conn,
1604 case RENAME_FLAG_COPY:
1605 if (src_has_wcard || dest_has_wcard) {
1607 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1609 status = copy_internals(ctx, conn, req,
1615 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1616 status = NT_STATUS_INVALID_PARAMETER;
1619 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1623 if (!NT_STATUS_IS_OK(status)) {
1624 if (open_was_deferred(req->mid)) {
1625 /* We have re-scheduled this call. */
1629 reply_nterror(req, status);
1633 reply_outbuf(req, 0, 0);
1635 END_PROFILE(SMBntrename);
1639 /****************************************************************************
1640 Reply to a notify change - queue the request and
1641 don't allow a directory to be opened.
1642 ****************************************************************************/
1644 static void smbd_smb1_notify_reply(struct smb_request *req,
1645 NTSTATUS error_code,
1646 uint8_t *buf, size_t len)
1648 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1651 static void call_nt_transact_notify_change(connection_struct *conn,
1652 struct smb_request *req,
1656 uint32 parameter_count,
1657 char **ppdata, uint32 data_count,
1658 uint32 max_data_count,
1659 uint32 max_param_count)
1661 uint16 *setup = *ppsetup;
1667 if(setup_count < 6) {
1668 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1672 fsp = file_fsp(req, SVAL(setup,4));
1673 filter = IVAL(setup, 0);
1674 recursive = (SVAL(setup, 6) != 0) ? True : False;
1676 DEBUG(3,("call_nt_transact_notify_change\n"));
1679 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1684 char *filter_string;
1686 if (!(filter_string = notify_filter_string(NULL, filter))) {
1687 reply_nterror(req,NT_STATUS_NO_MEMORY);
1691 DEBUG(3,("call_nt_transact_notify_change: notify change "
1692 "called on %s, filter = %s, recursive = %d\n",
1693 fsp_str_dbg(fsp), filter_string, recursive));
1695 TALLOC_FREE(filter_string);
1698 if((!fsp->is_directory) || (conn != fsp->conn)) {
1699 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1703 if (fsp->notify == NULL) {
1705 status = change_notify_create(fsp, filter, recursive);
1707 if (!NT_STATUS_IS_OK(status)) {
1708 DEBUG(10, ("change_notify_create returned %s\n",
1709 nt_errstr(status)));
1710 reply_nterror(req, status);
1715 if (fsp->notify->num_changes != 0) {
1718 * We've got changes pending, respond immediately
1722 * TODO: write a torture test to check the filtering behaviour
1726 change_notify_reply(req,
1730 smbd_smb1_notify_reply);
1733 * change_notify_reply() above has independently sent its
1740 * No changes pending, queue the request
1743 status = change_notify_add_request(req,
1747 smbd_smb1_notify_reply);
1748 if (!NT_STATUS_IS_OK(status)) {
1749 reply_nterror(req, status);
1754 /****************************************************************************
1755 Reply to an NT transact rename command.
1756 ****************************************************************************/
1758 static void call_nt_transact_rename(connection_struct *conn,
1759 struct smb_request *req,
1760 uint16 **ppsetup, uint32 setup_count,
1761 char **ppparams, uint32 parameter_count,
1762 char **ppdata, uint32 data_count,
1763 uint32 max_data_count)
1765 char *params = *ppparams;
1766 char *new_name = NULL;
1767 files_struct *fsp = NULL;
1768 bool dest_has_wcard = False;
1770 TALLOC_CTX *ctx = talloc_tos();
1772 if(parameter_count < 5) {
1773 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1777 fsp = file_fsp(req, SVAL(params, 0));
1778 if (!check_fsp(conn, req, fsp)) {
1781 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1782 parameter_count - 4,
1783 STR_TERMINATE, &status, &dest_has_wcard);
1784 if (!NT_STATUS_IS_OK(status)) {
1785 reply_nterror(req, status);
1790 * W2K3 ignores this request as the RAW-RENAME test
1791 * demonstrates, so we do.
1793 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1795 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1796 fsp_str_dbg(fsp), new_name));
1801 /******************************************************************************
1802 Fake up a completely empty SD.
1803 *******************************************************************************/
1805 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1809 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1811 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1812 return NT_STATUS_NO_MEMORY;
1815 return NT_STATUS_OK;
1818 /****************************************************************************
1819 Reply to query a security descriptor.
1820 Callable from SMB2 and SMB2.
1821 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1823 ****************************************************************************/
1825 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1826 TALLOC_CTX *mem_ctx,
1828 uint32_t security_info_wanted,
1829 uint32_t max_data_count,
1830 uint8_t **ppmarshalled_sd,
1834 struct security_descriptor *psd = NULL;
1837 * Get the permissions to return.
1840 if (!lp_nt_acl_support(SNUM(conn))) {
1841 status = get_null_nt_acl(mem_ctx, &psd);
1843 status = SMB_VFS_FGET_NT_ACL(
1844 fsp, security_info_wanted, &psd);
1846 if (!NT_STATUS_IS_OK(status)) {
1850 if (!(security_info_wanted & SECINFO_OWNER)) {
1851 psd->owner_sid = NULL;
1853 if (!(security_info_wanted & SECINFO_GROUP)) {
1854 psd->group_sid = NULL;
1856 if (!(security_info_wanted & SECINFO_DACL)) {
1859 if (!(security_info_wanted & SECINFO_SACL)) {
1863 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1864 * present in the reply to match Windows behavior */
1865 if (psd->sacl == NULL &&
1866 security_info_wanted & SECINFO_SACL)
1867 psd->type |= SEC_DESC_SACL_PRESENT;
1868 if (psd->dacl == NULL &&
1869 security_info_wanted & SECINFO_DACL)
1870 psd->type |= SEC_DESC_DACL_PRESENT;
1872 *psd_size = ndr_size_security_descriptor(psd, 0);
1874 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1875 (unsigned long)*psd_size));
1877 if (DEBUGLEVEL >= 10) {
1878 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1880 NDR_PRINT_DEBUG(security_descriptor, psd);
1883 if (max_data_count < *psd_size) {
1885 return NT_STATUS_BUFFER_TOO_SMALL;
1888 status = marshall_sec_desc(mem_ctx, psd,
1889 ppmarshalled_sd, psd_size);
1891 if (!NT_STATUS_IS_OK(status)) {
1897 return NT_STATUS_OK;
1900 /****************************************************************************
1901 SMB1 reply to query a security descriptor.
1902 ****************************************************************************/
1904 static void call_nt_transact_query_security_desc(connection_struct *conn,
1905 struct smb_request *req,
1909 uint32 parameter_count,
1912 uint32 max_data_count)
1914 char *params = *ppparams;
1915 char *data = *ppdata;
1917 uint32 security_info_wanted;
1918 files_struct *fsp = NULL;
1920 uint8_t *marshalled_sd = NULL;
1922 if(parameter_count < 8) {
1923 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1927 fsp = file_fsp(req, SVAL(params,0));
1929 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1933 security_info_wanted = IVAL(params,4);
1935 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1936 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1937 (unsigned int)security_info_wanted));
1939 params = nttrans_realloc(ppparams, 4);
1940 if(params == NULL) {
1941 reply_nterror(req, NT_STATUS_NO_MEMORY);
1946 * Get the permissions to return.
1949 status = smbd_do_query_security_desc(conn,
1952 security_info_wanted,
1957 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
1958 SIVAL(params,0,(uint32_t)sd_size);
1959 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1960 params, 4, NULL, 0);
1964 if (!NT_STATUS_IS_OK(status)) {
1965 reply_nterror(req, status);
1969 SMB_ASSERT(sd_size > 0);
1971 SIVAL(params,0,(uint32_t)sd_size);
1973 if (max_data_count < sd_size) {
1974 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1975 params, 4, NULL, 0);
1980 * Allocate the data we will return.
1983 data = nttrans_realloc(ppdata, sd_size);
1985 reply_nterror(req, NT_STATUS_NO_MEMORY);
1989 memcpy(data, marshalled_sd, sd_size);
1991 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1996 /****************************************************************************
1997 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1998 ****************************************************************************/
2000 static void call_nt_transact_set_security_desc(connection_struct *conn,
2001 struct smb_request *req,
2005 uint32 parameter_count,
2008 uint32 max_data_count)
2010 char *params= *ppparams;
2011 char *data = *ppdata;
2012 files_struct *fsp = NULL;
2013 uint32 security_info_sent = 0;
2016 if(parameter_count < 8) {
2017 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2021 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2022 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2026 if (!CAN_WRITE(fsp->conn)) {
2027 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2031 if(!lp_nt_acl_support(SNUM(conn))) {
2035 security_info_sent = IVAL(params,4);
2037 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2038 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2040 if (data_count == 0) {
2041 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2045 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
2047 if (!NT_STATUS_IS_OK(status)) {
2048 reply_nterror(req, status);
2053 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2057 /****************************************************************************
2059 ****************************************************************************/
2061 static void call_nt_transact_ioctl(connection_struct *conn,
2062 struct smb_request *req,
2063 uint16 **ppsetup, uint32 setup_count,
2064 char **ppparams, uint32 parameter_count,
2065 char **ppdata, uint32 data_count,
2066 uint32 max_data_count)
2073 char *pdata = *ppdata;
2075 if (setup_count != 8) {
2076 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2077 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2081 function = IVAL(*ppsetup, 0);
2082 fidnum = SVAL(*ppsetup, 4);
2083 isFSctl = CVAL(*ppsetup, 6);
2084 compfilter = CVAL(*ppsetup, 7);
2086 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2087 function, fidnum, isFSctl, compfilter));
2089 fsp=file_fsp(req, fidnum);
2090 /* this check is done in each implemented function case for now
2091 because I don't want to break anything... --metze
2092 FSP_BELONGS_CONN(fsp,conn);*/
2094 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2097 case FSCTL_SET_SPARSE:
2098 /* pretend this succeeded - tho strictly we should
2099 mark the file sparse (if the local fs supports it)
2100 so we can know if we need to pre-allocate or not */
2102 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2103 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2106 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2108 unsigned char objid[16];
2110 /* This should return the object-id on this file.
2111 * I think I'll make this be the inode+dev. JRA.
2114 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2116 if (!check_fsp_open(conn, req, fsp)) {
2121 pdata = nttrans_realloc(ppdata, data_count);
2122 if (pdata == NULL) {
2123 reply_nterror(req, NT_STATUS_NO_MEMORY);
2127 /* For backwards compatibility only store the dev/inode. */
2128 push_file_id_16(pdata, &fsp->file_id);
2129 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2130 push_file_id_16(pdata+32, &fsp->file_id);
2131 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2136 case FSCTL_GET_REPARSE_POINT:
2137 /* pretend this fail - my winXP does it like this
2141 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2142 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2145 case FSCTL_SET_REPARSE_POINT:
2146 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2150 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2151 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2154 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2157 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2158 * and return their volume names. If max_data_count is 16, then it is just
2159 * asking for the number of volumes and length of the combined names.
2161 * pdata is the data allocated by our caller, but that uses
2162 * total_data_count (which is 0 in our case) rather than max_data_count.
2163 * Allocate the correct amount and return the pointer to let
2164 * it be deallocated when we return.
2166 SHADOW_COPY_DATA *shadow_data = NULL;
2167 TALLOC_CTX *shadow_mem_ctx = NULL;
2168 bool labels = False;
2169 uint32 labels_data_count = 0;
2173 if (!check_fsp_open(conn, req, fsp)) {
2177 if (max_data_count < 16) {
2178 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2180 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2184 if (max_data_count > 16) {
2188 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2189 if (shadow_mem_ctx == NULL) {
2190 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2191 reply_nterror(req, NT_STATUS_NO_MEMORY);
2195 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2196 if (shadow_data == NULL) {
2197 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2198 talloc_destroy(shadow_mem_ctx);
2199 reply_nterror(req, NT_STATUS_NO_MEMORY);
2203 shadow_data->mem_ctx = shadow_mem_ctx;
2206 * Call the VFS routine to actually do the work.
2208 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2209 talloc_destroy(shadow_data->mem_ctx);
2210 if (errno == ENOSYS) {
2211 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2212 conn->connectpath));
2213 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2216 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2217 conn->connectpath));
2218 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2223 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2228 data_count = 12+labels_data_count+4;
2231 if (max_data_count<data_count) {
2232 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2233 max_data_count,data_count));
2234 talloc_destroy(shadow_data->mem_ctx);
2235 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2239 pdata = nttrans_realloc(ppdata, data_count);
2240 if (pdata == NULL) {
2241 talloc_destroy(shadow_data->mem_ctx);
2242 reply_nterror(req, NT_STATUS_NO_MEMORY);
2248 /* num_volumes 4 bytes */
2249 SIVAL(pdata,0,shadow_data->num_volumes);
2252 /* num_labels 4 bytes */
2253 SIVAL(pdata,4,shadow_data->num_volumes);
2256 /* needed_data_count 4 bytes */
2257 SIVAL(pdata, 8, labels_data_count+4);
2261 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2262 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2263 if (labels && shadow_data->labels) {
2264 for (i=0;i<shadow_data->num_volumes;i++) {
2265 srvstr_push(pdata, req->flags2,
2266 cur_pdata, shadow_data->labels[i],
2267 2*sizeof(SHADOW_COPY_LABEL),
2268 STR_UNICODE|STR_TERMINATE);
2269 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2270 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2274 talloc_destroy(shadow_data->mem_ctx);
2276 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2282 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2284 /* pretend this succeeded -
2286 * we have to send back a list with all files owned by this SID
2288 * but I have to check that --metze
2294 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2296 if (!check_fsp_open(conn, req, fsp)) {
2300 if (data_count < 8) {
2301 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2305 sid_len = MIN(data_count-4,SID_MAX_SIZE);
2307 /* unknown 4 bytes: this is not the length of the sid :-( */
2308 /*unknown = IVAL(pdata,0);*/
2310 if (!sid_parse(pdata+4,sid_len,&sid)) {
2311 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2314 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2316 if (!sid_to_uid(&sid, &uid)) {
2317 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2318 sid_string_dbg(&sid),
2319 (unsigned long)sid_len));
2323 /* we can take a look at the find source :-)
2325 * find ./ -uid $uid -name '*' is what we need here
2328 * and send 4bytes len and then NULL terminated unicode strings
2331 * but I don't know how to deal with the paged results
2332 * (maybe we can hang the result anywhere in the fsp struct)
2334 * we don't send all files at once
2335 * and at the next we should *not* start from the beginning,
2336 * so we have to cache the result
2341 /* this works for now... */
2342 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2345 case FSCTL_QUERY_ALLOCATED_RANGES:
2347 /* FIXME: This is just a dummy reply, telling that all of the
2348 * file is allocated. MKS cp needs that.
2349 * Adding the real allocated ranges via FIEMAP on Linux
2350 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2351 * this FSCTL correct for sparse files.
2354 uint64_t offset, length;
2356 if (!check_fsp_open(conn, req, fsp)) {
2360 if (data_count != 16) {
2361 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2363 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2367 if (max_data_count < 16) {
2368 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2370 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2374 offset = BVAL(pdata,0);
2375 length = BVAL(pdata,8);
2377 if (offset + length < offset) {
2378 /* No 64-bit integer wrap. */
2379 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2383 status = vfs_stat_fsp(fsp);
2384 if (!NT_STATUS_IS_OK(status)) {
2385 reply_nterror(req, status);
2389 if (offset > fsp->fsp_name->st.st_ex_size ||
2390 fsp->fsp_name->st.st_ex_size == 0 ||
2392 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2394 uint64_t end = offset + length;
2395 end = MIN(end, fsp->fsp_name->st.st_ex_size);
2398 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2404 /* Only print this once... */
2405 if (!logged_ioctl_message) {
2406 logged_ioctl_message = true;
2407 DEBUG(2,("call_nt_transact_ioctl(0x%x): "
2408 "Currently not implemented.\n",
2413 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2417 #ifdef HAVE_SYS_QUOTAS
2418 /****************************************************************************
2419 Reply to get user quota
2420 ****************************************************************************/
2422 static void call_nt_transact_get_user_quota(connection_struct *conn,
2423 struct smb_request *req,
2427 uint32 parameter_count,
2430 uint32 max_data_count)
2432 NTSTATUS nt_status = NT_STATUS_OK;
2433 char *params = *ppparams;
2434 char *pdata = *ppdata;
2436 int data_len=0,param_len=0;
2439 files_struct *fsp = NULL;
2443 bool start_enum = True;
2444 SMB_NTQUOTA_STRUCT qt;
2445 SMB_NTQUOTA_LIST *tmp_list;
2446 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2451 if (conn->server_info->utok.uid != 0) {
2452 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2453 "[%s]\n", lp_servicename(SNUM(conn)),
2454 conn->server_info->unix_name));
2455 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2460 * Ensure minimum number of parameters sent.
2463 if (parameter_count < 4) {
2464 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2465 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2469 /* maybe we can check the quota_fnum */
2470 fsp = file_fsp(req, SVAL(params,0));
2471 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2472 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2473 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2477 /* the NULL pointer checking for fsp->fake_file_handle->pd
2478 * is done by CHECK_NTQUOTA_HANDLE_OK()
2480 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2482 level = SVAL(params,2);
2484 /* unknown 12 bytes leading in params */
2487 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2488 /* seems that we should continue with the enum here --metze */
2490 if (qt_handle->quota_list!=NULL &&
2491 qt_handle->tmp_list==NULL) {
2494 free_ntquota_list(&(qt_handle->quota_list));
2496 /* Realloc the size of parameters and data we will return */
2498 params = nttrans_realloc(ppparams, param_len);
2499 if(params == NULL) {
2500 reply_nterror(req, NT_STATUS_NO_MEMORY);
2505 SIVAL(params,0,data_len);
2512 case TRANSACT_GET_USER_QUOTA_LIST_START:
2514 if (qt_handle->quota_list==NULL &&
2515 qt_handle->tmp_list==NULL) {
2519 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2520 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2524 /* Realloc the size of parameters and data we will return */
2526 params = nttrans_realloc(ppparams, param_len);
2527 if(params == NULL) {
2528 reply_nterror(req, NT_STATUS_NO_MEMORY);
2532 /* we should not trust the value in max_data_count*/
2533 max_data_count = MIN(max_data_count,2048);
2535 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2537 reply_nterror(req, NT_STATUS_NO_MEMORY);
2543 /* set params Size of returned Quota Data 4 bytes*/
2544 /* but set it later when we know it */
2546 /* for each entry push the data */
2549 qt_handle->tmp_list = qt_handle->quota_list;
2552 tmp_list = qt_handle->tmp_list;
2554 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2555 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2557 sid_len = ndr_size_dom_sid(
2558 &tmp_list->quotas->sid, 0);
2559 entry_len = 40 + sid_len;
2561 /* nextoffset entry 4 bytes */
2562 SIVAL(entry,0,entry_len);
2564 /* then the len of the SID 4 bytes */
2565 SIVAL(entry,4,sid_len);
2567 /* unknown data 8 bytes uint64_t */
2568 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2570 /* the used disk space 8 bytes uint64_t */
2571 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2573 /* the soft quotas 8 bytes uint64_t */
2574 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2576 /* the hard quotas 8 bytes uint64_t */
2577 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2579 /* and now the SID */
2580 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2583 qt_handle->tmp_list = tmp_list;
2585 /* overwrite the offset of the last entry */
2586 SIVAL(entry-entry_len,0,0);
2588 data_len = 4+qt_len;
2589 /* overwrite the params quota_data_len */
2590 SIVAL(params,0,data_len);
2594 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2596 /* unknown 4 bytes IVAL(pdata,0) */
2598 if (data_count < 8) {
2599 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2600 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2604 sid_len = IVAL(pdata,4);
2605 /* Ensure this is less than 1mb. */
2606 if (sid_len > (1024*1024)) {
2607 reply_nterror(req, NT_STATUS_NO_MEMORY);
2611 if (data_count < 8+sid_len) {
2612 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2613 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2617 data_len = 4+40+sid_len;
2619 if (max_data_count < data_len) {
2620 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2621 max_data_count, data_len));
2623 SIVAL(params,0,data_len);
2625 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2629 if (!sid_parse(pdata+8,sid_len,&sid)) {
2630 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2634 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2637 * we have to return zero's in all fields
2638 * instead of returning an error here
2643 /* Realloc the size of parameters and data we will return */
2645 params = nttrans_realloc(ppparams, param_len);
2646 if(params == NULL) {
2647 reply_nterror(req, NT_STATUS_NO_MEMORY);
2651 pdata = nttrans_realloc(ppdata, data_len);
2653 reply_nterror(req, NT_STATUS_NO_MEMORY);
2659 /* set params Size of returned Quota Data 4 bytes*/
2660 SIVAL(params,0,data_len);
2662 /* nextoffset entry 4 bytes */
2665 /* then the len of the SID 4 bytes */
2666 SIVAL(entry,4,sid_len);
2668 /* unknown data 8 bytes uint64_t */
2669 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2671 /* the used disk space 8 bytes uint64_t */
2672 SBIG_UINT(entry,16,qt.usedspace);
2674 /* the soft quotas 8 bytes uint64_t */
2675 SBIG_UINT(entry,24,qt.softlim);
2677 /* the hard quotas 8 bytes uint64_t */
2678 SBIG_UINT(entry,32,qt.hardlim);
2680 /* and now the SID */
2681 sid_linearize(entry+40, sid_len, &sid);
2686 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2687 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2692 send_nt_replies(conn, req, nt_status, params, param_len,
2696 /****************************************************************************
2697 Reply to set user quota
2698 ****************************************************************************/
2700 static void call_nt_transact_set_user_quota(connection_struct *conn,
2701 struct smb_request *req,
2705 uint32 parameter_count,
2708 uint32 max_data_count)
2710 char *params = *ppparams;
2711 char *pdata = *ppdata;
2712 int data_len=0,param_len=0;
2713 SMB_NTQUOTA_STRUCT qt;
2716 files_struct *fsp = NULL;
2721 if (conn->server_info->utok.uid != 0) {
2722 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2723 "[%s]\n", lp_servicename(SNUM(conn)),
2724 conn->server_info->unix_name));
2725 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2730 * Ensure minimum number of parameters sent.
2733 if (parameter_count < 2) {
2734 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2735 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2739 /* maybe we can check the quota_fnum */
2740 fsp = file_fsp(req, SVAL(params,0));
2741 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2742 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2743 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2747 if (data_count < 40) {
2748 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2749 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2753 /* offset to next quota record.
2754 * 4 bytes IVAL(pdata,0)
2759 sid_len = IVAL(pdata,4);
2761 if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2762 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2763 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2767 /* unknown 8 bytes in pdata
2768 * maybe its the change time in NTTIME
2771 /* the used space 8 bytes (uint64_t)*/
2772 qt.usedspace = (uint64_t)IVAL(pdata,16);
2773 #ifdef LARGE_SMB_OFF_T
2774 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2775 #else /* LARGE_SMB_OFF_T */
2776 if ((IVAL(pdata,20) != 0)&&
2777 ((qt.usedspace != 0xFFFFFFFF)||
2778 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2779 /* more than 32 bits? */
2780 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2783 #endif /* LARGE_SMB_OFF_T */
2785 /* the soft quotas 8 bytes (uint64_t)*/
2786 qt.softlim = (uint64_t)IVAL(pdata,24);
2787 #ifdef LARGE_SMB_OFF_T
2788 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2789 #else /* LARGE_SMB_OFF_T */
2790 if ((IVAL(pdata,28) != 0)&&
2791 ((qt.softlim != 0xFFFFFFFF)||
2792 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2793 /* more than 32 bits? */
2794 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2797 #endif /* LARGE_SMB_OFF_T */
2799 /* the hard quotas 8 bytes (uint64_t)*/
2800 qt.hardlim = (uint64_t)IVAL(pdata,32);
2801 #ifdef LARGE_SMB_OFF_T
2802 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2803 #else /* LARGE_SMB_OFF_T */
2804 if ((IVAL(pdata,36) != 0)&&
2805 ((qt.hardlim != 0xFFFFFFFF)||
2806 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2807 /* more than 32 bits? */
2808 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2811 #endif /* LARGE_SMB_OFF_T */
2813 if (!sid_parse(pdata+40,sid_len,&sid)) {
2814 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2818 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2820 /* 44 unknown bytes left... */
2822 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2823 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2827 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2830 #endif /* HAVE_SYS_QUOTAS */
2832 static void handle_nttrans(connection_struct *conn,
2833 struct trans_state *state,
2834 struct smb_request *req)
2836 if (get_Protocol() >= PROTOCOL_NT1) {
2837 req->flags2 |= 0x40; /* IS_LONG_NAME */
2838 SSVAL(req->inbuf,smb_flg2,req->flags2);
2842 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2844 /* Now we must call the relevant NT_TRANS function */
2845 switch(state->call) {
2846 case NT_TRANSACT_CREATE:
2848 START_PROFILE(NT_transact_create);
2849 call_nt_transact_create(
2851 &state->setup, state->setup_count,
2852 &state->param, state->total_param,
2853 &state->data, state->total_data,
2854 state->max_data_return);
2855 END_PROFILE(NT_transact_create);
2859 case NT_TRANSACT_IOCTL:
2861 START_PROFILE(NT_transact_ioctl);
2862 call_nt_transact_ioctl(
2864 &state->setup, state->setup_count,
2865 &state->param, state->total_param,
2866 &state->data, state->total_data,
2867 state->max_data_return);
2868 END_PROFILE(NT_transact_ioctl);
2872 case NT_TRANSACT_SET_SECURITY_DESC:
2874 START_PROFILE(NT_transact_set_security_desc);
2875 call_nt_transact_set_security_desc(
2877 &state->setup, state->setup_count,
2878 &state->param, state->total_param,
2879 &state->data, state->total_data,
2880 state->max_data_return);
2881 END_PROFILE(NT_transact_set_security_desc);
2885 case NT_TRANSACT_NOTIFY_CHANGE:
2887 START_PROFILE(NT_transact_notify_change);
2888 call_nt_transact_notify_change(
2890 &state->setup, state->setup_count,
2891 &state->param, state->total_param,
2892 &state->data, state->total_data,
2893 state->max_data_return,
2894 state->max_param_return);
2895 END_PROFILE(NT_transact_notify_change);
2899 case NT_TRANSACT_RENAME:
2901 START_PROFILE(NT_transact_rename);
2902 call_nt_transact_rename(
2904 &state->setup, state->setup_count,
2905 &state->param, state->total_param,
2906 &state->data, state->total_data,
2907 state->max_data_return);
2908 END_PROFILE(NT_transact_rename);
2912 case NT_TRANSACT_QUERY_SECURITY_DESC:
2914 START_PROFILE(NT_transact_query_security_desc);
2915 call_nt_transact_query_security_desc(
2917 &state->setup, state->setup_count,
2918 &state->param, state->total_param,
2919 &state->data, state->total_data,
2920 state->max_data_return);
2921 END_PROFILE(NT_transact_query_security_desc);
2925 #ifdef HAVE_SYS_QUOTAS
2926 case NT_TRANSACT_GET_USER_QUOTA:
2928 START_PROFILE(NT_transact_get_user_quota);
2929 call_nt_transact_get_user_quota(
2931 &state->setup, state->setup_count,
2932 &state->param, state->total_param,
2933 &state->data, state->total_data,
2934 state->max_data_return);
2935 END_PROFILE(NT_transact_get_user_quota);
2939 case NT_TRANSACT_SET_USER_QUOTA:
2941 START_PROFILE(NT_transact_set_user_quota);
2942 call_nt_transact_set_user_quota(
2944 &state->setup, state->setup_count,
2945 &state->param, state->total_param,
2946 &state->data, state->total_data,
2947 state->max_data_return);
2948 END_PROFILE(NT_transact_set_user_quota);
2951 #endif /* HAVE_SYS_QUOTAS */
2954 /* Error in request */
2955 DEBUG(0,("handle_nttrans: Unknown request %d in "
2956 "nttrans call\n", state->call));
2957 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2963 /****************************************************************************
2964 Reply to a SMBNTtrans.
2965 ****************************************************************************/
2967 void reply_nttrans(struct smb_request *req)
2969 connection_struct *conn = req->conn;
2974 uint16 function_code;
2976 struct trans_state *state;
2978 START_PROFILE(SMBnttrans);
2980 if (req->wct < 19) {
2981 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2982 END_PROFILE(SMBnttrans);
2986 pscnt = IVAL(req->vwv+9, 1);
2987 psoff = IVAL(req->vwv+11, 1);
2988 dscnt = IVAL(req->vwv+13, 1);
2989 dsoff = IVAL(req->vwv+15, 1);
2990 function_code = SVAL(req->vwv+18, 0);
2992 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2993 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2994 END_PROFILE(SMBnttrans);
2998 result = allow_new_trans(conn->pending_trans, req->mid);
2999 if (!NT_STATUS_IS_OK(result)) {
3000 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3001 reply_nterror(req, result);
3002 END_PROFILE(SMBnttrans);
3006 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
3007 reply_nterror(req, NT_STATUS_NO_MEMORY);
3008 END_PROFILE(SMBnttrans);
3012 state->cmd = SMBnttrans;
3014 state->mid = req->mid;
3015 state->vuid = req->vuid;
3016 state->total_data = IVAL(req->vwv+3, 1);
3018 state->total_param = IVAL(req->vwv+1, 1);
3019 state->param = NULL;
3020 state->max_data_return = IVAL(req->vwv+7, 1);
3021 state->max_param_return = IVAL(req->vwv+5, 1);
3023 /* setup count is in *words* */
3024 state->setup_count = 2*CVAL(req->vwv+17, 1);
3025 state->setup = NULL;
3026 state->call = function_code;
3028 DEBUG(10, ("num_setup=%u, "
3029 "param_total=%u, this_param=%u, max_param=%u, "
3030 "data_total=%u, this_data=%u, max_data=%u, "
3031 "param_offset=%u, data_offset=%u\n",
3032 (unsigned)state->setup_count,
3033 (unsigned)state->total_param, (unsigned)pscnt,
3034 (unsigned)state->max_param_return,
3035 (unsigned)state->total_data, (unsigned)dscnt,
3036 (unsigned)state->max_data_return,
3037 (unsigned)psoff, (unsigned)dsoff));
3040 * All nttrans messages we handle have smb_wct == 19 +
3041 * state->setup_count. Ensure this is so as a sanity check.
3044 if(req->wct != 19 + (state->setup_count/2)) {
3045 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3046 req->wct, 19 + (state->setup_count/2)));
3050 /* Don't allow more than 128mb for each value. */
3051 if ((state->total_data > (1024*1024*128)) ||
3052 (state->total_param > (1024*1024*128))) {
3053 reply_nterror(req, NT_STATUS_NO_MEMORY);
3054 END_PROFILE(SMBnttrans);
3058 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3061 if (state->total_data) {
3063 if (trans_oob(state->total_data, 0, dscnt)
3064 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3068 /* Can't use talloc here, the core routines do realloc on the
3069 * params and data. */
3070 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3071 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3072 "bytes !\n", (unsigned int)state->total_data));
3074 reply_nterror(req, NT_STATUS_NO_MEMORY);
3075 END_PROFILE(SMBnttrans);
3079 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3082 if (state->total_param) {
3084 if (trans_oob(state->total_param, 0, pscnt)
3085 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3089 /* Can't use talloc here, the core routines do realloc on the
3090 * params and data. */
3091 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3092 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3093 "bytes !\n", (unsigned int)state->total_param));
3094 SAFE_FREE(state->data);
3096 reply_nterror(req, NT_STATUS_NO_MEMORY);
3097 END_PROFILE(SMBnttrans);
3101 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3104 state->received_data = dscnt;
3105 state->received_param = pscnt;
3107 if(state->setup_count > 0) {
3108 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3109 state->setup_count));
3112 * No overflow possible here, state->setup_count is an
3113 * unsigned int, being filled by a single byte from
3114 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3115 * below is not necessary, it's here to clarify things. The
3116 * validity of req->vwv and req->wct has been checked in
3117 * init_smb_request already.
3119 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3123 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3124 if (state->setup == NULL) {
3125 DEBUG(0,("reply_nttrans : Out of memory\n"));
3126 SAFE_FREE(state->data);
3127 SAFE_FREE(state->param);
3129 reply_nterror(req, NT_STATUS_NO_MEMORY);
3130 END_PROFILE(SMBnttrans);
3134 memcpy(state->setup, req->vwv+19, state->setup_count);
3135 dump_data(10, (uint8 *)state->setup, state->setup_count);
3138 if ((state->received_data == state->total_data) &&
3139 (state->received_param == state->total_param)) {
3140 handle_nttrans(conn, state, req);
3141 SAFE_FREE(state->param);
3142 SAFE_FREE(state->data);
3144 END_PROFILE(SMBnttrans);
3148 DLIST_ADD(conn->pending_trans, state);
3150 /* We need to send an interim response then receive the rest
3151 of the parameter/data bytes */
3152 reply_outbuf(req, 0, 0);
3153 show_msg((char *)req->outbuf);
3154 END_PROFILE(SMBnttrans);
3159 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3160 SAFE_FREE(state->data);
3161 SAFE_FREE(state->param);
3163 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3164 END_PROFILE(SMBnttrans);
3168 /****************************************************************************
3169 Reply to a SMBnttranss
3170 ****************************************************************************/
3172 void reply_nttranss(struct smb_request *req)
3174 connection_struct *conn = req->conn;
3175 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3176 struct trans_state *state;
3178 START_PROFILE(SMBnttranss);
3180 show_msg((char *)req->inbuf);
3182 if (req->wct < 18) {
3183 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3184 END_PROFILE(SMBnttranss);
3188 for (state = conn->pending_trans; state != NULL;
3189 state = state->next) {
3190 if (state->mid == req->mid) {
3195 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3196 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3197 END_PROFILE(SMBnttranss);
3201 /* Revise state->total_param and state->total_data in case they have
3202 changed downwards */
3203 if (IVAL(req->vwv+1, 1) < state->total_param) {
3204 state->total_param = IVAL(req->vwv+1, 1);
3206 if (IVAL(req->vwv+3, 1) < state->total_data) {
3207 state->total_data = IVAL(req->vwv+3, 1);
3210 pcnt = IVAL(req->vwv+5, 1);
3211 poff = IVAL(req->vwv+7, 1);
3212 pdisp = IVAL(req->vwv+9, 1);
3214 dcnt = IVAL(req->vwv+11, 1);
3215 doff = IVAL(req->vwv+13, 1);
3216 ddisp = IVAL(req->vwv+15, 1);
3218 state->received_param += pcnt;
3219 state->received_data += dcnt;
3221 if ((state->received_data > state->total_data) ||
3222 (state->received_param > state->total_param))
3226 if (trans_oob(state->total_param, pdisp, pcnt)
3227 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3230 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3234 if (trans_oob(state->total_data, ddisp, dcnt)
3235 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3238 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3241 if ((state->received_param < state->total_param) ||
3242 (state->received_data < state->total_data)) {
3243 END_PROFILE(SMBnttranss);
3247 handle_nttrans(conn, state, req);
3249 DLIST_REMOVE(conn->pending_trans, state);
3250 SAFE_FREE(state->data);
3251 SAFE_FREE(state->param);
3253 END_PROFILE(SMBnttranss);
3258 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3259 DLIST_REMOVE(conn->pending_trans, state);
3260 SAFE_FREE(state->data);
3261 SAFE_FREE(state->param);
3263 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3264 END_PROFILE(SMBnttranss);