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 = 1;
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|FILE_READ_ATTRIBUTES|
1393 FILE_READ_EA, /* access_mask */
1394 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1396 FILE_OPEN, /* create_disposition*/
1397 0, /* create_options */
1398 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1399 NO_OPLOCK, /* oplock_request */
1400 0, /* allocation_size */
1401 0, /* private_flags */
1407 if (!NT_STATUS_IS_OK(status)) {
1411 status = SMB_VFS_CREATE_FILE(
1414 0, /* root_dir_fid */
1415 smb_fname_dst, /* fname */
1416 FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|
1417 FILE_WRITE_EA, /* access_mask */
1418 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1420 FILE_CREATE, /* create_disposition*/
1421 0, /* create_options */
1422 fattr, /* file_attributes */
1423 NO_OPLOCK, /* oplock_request */
1424 0, /* allocation_size */
1425 0, /* private_flags */
1431 if (!NT_STATUS_IS_OK(status)) {
1432 close_file(NULL, fsp1, ERROR_CLOSE);
1436 if (smb_fname_src->st.st_ex_size) {
1437 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1441 * As we are opening fsp1 read-only we only expect
1442 * an error on close on fsp2 if we are out of space.
1443 * Thus we don't look at the error return from the
1446 close_file(NULL, fsp1, NORMAL_CLOSE);
1448 /* Ensure the modtime is set correctly on the destination file. */
1449 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1451 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1453 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1454 creates the file. This isn't the correct thing to do in the copy
1456 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1458 status = NT_STATUS_NO_MEMORY;
1461 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1462 TALLOC_FREE(parent);
1464 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1465 status = NT_STATUS_DISK_FULL;
1469 if (!NT_STATUS_IS_OK(status)) {
1470 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1471 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1472 smb_fname_str_dbg(smb_fname_dst)));
1478 /****************************************************************************
1479 Reply to a NT rename request.
1480 ****************************************************************************/
1482 void reply_ntrename(struct smb_request *req)
1484 connection_struct *conn = req->conn;
1485 struct smb_filename *smb_fname_old = NULL;
1486 struct smb_filename *smb_fname_new = NULL;
1487 char *oldname = NULL;
1488 char *newname = NULL;
1491 bool src_has_wcard = False;
1492 bool dest_has_wcard = False;
1494 uint32_t ucf_flags_src = 0;
1495 uint32_t ucf_flags_dst = 0;
1497 TALLOC_CTX *ctx = talloc_tos();
1499 START_PROFILE(SMBntrename);
1502 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1506 attrs = SVAL(req->vwv+0, 0);
1507 rename_type = SVAL(req->vwv+1, 0);
1509 p = (const char *)req->buf + 1;
1510 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1511 &status, &src_has_wcard);
1512 if (!NT_STATUS_IS_OK(status)) {
1513 reply_nterror(req, status);
1517 if (ms_has_wild(oldname)) {
1518 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1523 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1524 &status, &dest_has_wcard);
1525 if (!NT_STATUS_IS_OK(status)) {
1526 reply_nterror(req, status);
1530 /* The newname must begin with a ':' if the oldname contains a ':'. */
1531 if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1532 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1537 * If this is a rename operation, allow wildcards and save the
1538 * destination's last component.
1540 if (rename_type == RENAME_FLAG_RENAME) {
1541 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1542 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1545 /* rename_internals() calls unix_convert(), so don't call it here. */
1546 status = filename_convert(ctx, conn,
1547 req->flags2 & FLAGS2_DFS_PATHNAMES,
1552 if (!NT_STATUS_IS_OK(status)) {
1553 if (NT_STATUS_EQUAL(status,
1554 NT_STATUS_PATH_NOT_COVERED)) {
1555 reply_botherror(req,
1556 NT_STATUS_PATH_NOT_COVERED,
1557 ERRSRV, ERRbadpath);
1560 reply_nterror(req, status);
1564 status = filename_convert(ctx, conn,
1565 req->flags2 & FLAGS2_DFS_PATHNAMES,
1570 if (!NT_STATUS_IS_OK(status)) {
1571 if (NT_STATUS_EQUAL(status,
1572 NT_STATUS_PATH_NOT_COVERED)) {
1573 reply_botherror(req,
1574 NT_STATUS_PATH_NOT_COVERED,
1575 ERRSRV, ERRbadpath);
1578 reply_nterror(req, status);
1582 DEBUG(3,("reply_ntrename: %s -> %s\n",
1583 smb_fname_str_dbg(smb_fname_old),
1584 smb_fname_str_dbg(smb_fname_new)));
1586 switch(rename_type) {
1587 case RENAME_FLAG_RENAME:
1588 status = rename_internals(ctx, conn, req,
1589 smb_fname_old, smb_fname_new,
1590 attrs, False, src_has_wcard,
1594 case RENAME_FLAG_HARD_LINK:
1595 if (src_has_wcard || dest_has_wcard) {
1597 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1599 status = hardlink_internals(ctx, conn,
1606 case RENAME_FLAG_COPY:
1607 if (src_has_wcard || dest_has_wcard) {
1609 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1611 status = copy_internals(ctx, conn, req,
1617 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1618 status = NT_STATUS_INVALID_PARAMETER;
1621 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1625 if (!NT_STATUS_IS_OK(status)) {
1626 if (open_was_deferred(req->mid)) {
1627 /* We have re-scheduled this call. */
1631 reply_nterror(req, status);
1635 reply_outbuf(req, 0, 0);
1637 END_PROFILE(SMBntrename);
1641 /****************************************************************************
1642 Reply to a notify change - queue the request and
1643 don't allow a directory to be opened.
1644 ****************************************************************************/
1646 static void smbd_smb1_notify_reply(struct smb_request *req,
1647 NTSTATUS error_code,
1648 uint8_t *buf, size_t len)
1650 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1653 static void call_nt_transact_notify_change(connection_struct *conn,
1654 struct smb_request *req,
1658 uint32 parameter_count,
1659 char **ppdata, uint32 data_count,
1660 uint32 max_data_count,
1661 uint32 max_param_count)
1663 uint16 *setup = *ppsetup;
1669 if(setup_count < 6) {
1670 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1674 fsp = file_fsp(req, SVAL(setup,4));
1675 filter = IVAL(setup, 0);
1676 recursive = (SVAL(setup, 6) != 0) ? True : False;
1678 DEBUG(3,("call_nt_transact_notify_change\n"));
1681 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1686 char *filter_string;
1688 if (!(filter_string = notify_filter_string(NULL, filter))) {
1689 reply_nterror(req,NT_STATUS_NO_MEMORY);
1693 DEBUG(3,("call_nt_transact_notify_change: notify change "
1694 "called on %s, filter = %s, recursive = %d\n",
1695 fsp_str_dbg(fsp), filter_string, recursive));
1697 TALLOC_FREE(filter_string);
1700 if((!fsp->is_directory) || (conn != fsp->conn)) {
1701 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1705 if (fsp->notify == NULL) {
1707 status = change_notify_create(fsp, filter, recursive);
1709 if (!NT_STATUS_IS_OK(status)) {
1710 DEBUG(10, ("change_notify_create returned %s\n",
1711 nt_errstr(status)));
1712 reply_nterror(req, status);
1717 if (fsp->notify->num_changes != 0) {
1720 * We've got changes pending, respond immediately
1724 * TODO: write a torture test to check the filtering behaviour
1728 change_notify_reply(req,
1732 smbd_smb1_notify_reply);
1735 * change_notify_reply() above has independently sent its
1742 * No changes pending, queue the request
1745 status = change_notify_add_request(req,
1749 smbd_smb1_notify_reply);
1750 if (!NT_STATUS_IS_OK(status)) {
1751 reply_nterror(req, status);
1756 /****************************************************************************
1757 Reply to an NT transact rename command.
1758 ****************************************************************************/
1760 static void call_nt_transact_rename(connection_struct *conn,
1761 struct smb_request *req,
1762 uint16 **ppsetup, uint32 setup_count,
1763 char **ppparams, uint32 parameter_count,
1764 char **ppdata, uint32 data_count,
1765 uint32 max_data_count)
1767 char *params = *ppparams;
1768 char *new_name = NULL;
1769 files_struct *fsp = NULL;
1770 bool dest_has_wcard = False;
1772 TALLOC_CTX *ctx = talloc_tos();
1774 if(parameter_count < 5) {
1775 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1779 fsp = file_fsp(req, SVAL(params, 0));
1780 if (!check_fsp(conn, req, fsp)) {
1783 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1784 parameter_count - 4,
1785 STR_TERMINATE, &status, &dest_has_wcard);
1786 if (!NT_STATUS_IS_OK(status)) {
1787 reply_nterror(req, status);
1792 * W2K3 ignores this request as the RAW-RENAME test
1793 * demonstrates, so we do.
1795 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1797 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1798 fsp_str_dbg(fsp), new_name));
1803 /******************************************************************************
1804 Fake up a completely empty SD.
1805 *******************************************************************************/
1807 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1811 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1813 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1814 return NT_STATUS_NO_MEMORY;
1817 return NT_STATUS_OK;
1820 /****************************************************************************
1821 Reply to query a security descriptor.
1822 Callable from SMB2 and SMB2.
1823 If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1825 ****************************************************************************/
1827 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1828 TALLOC_CTX *mem_ctx,
1830 uint32_t security_info_wanted,
1831 uint32_t max_data_count,
1832 uint8_t **ppmarshalled_sd,
1836 struct security_descriptor *psd = NULL;
1839 * Get the permissions to return.
1842 if ((security_info_wanted & SECINFO_SACL) &&
1843 !(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1844 return NT_STATUS_ACCESS_DENIED;
1847 if ((security_info_wanted & (SECINFO_DACL|SECINFO_OWNER|SECINFO_GROUP)) &&
1848 !(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1849 return NT_STATUS_ACCESS_DENIED;
1852 if (!lp_nt_acl_support(SNUM(conn))) {
1853 status = get_null_nt_acl(mem_ctx, &psd);
1855 status = SMB_VFS_FGET_NT_ACL(
1856 fsp, security_info_wanted, &psd);
1858 if (!NT_STATUS_IS_OK(status)) {
1862 if (!(security_info_wanted & SECINFO_OWNER)) {
1863 psd->owner_sid = NULL;
1865 if (!(security_info_wanted & SECINFO_GROUP)) {
1866 psd->group_sid = NULL;
1868 if (!(security_info_wanted & SECINFO_DACL)) {
1871 if (!(security_info_wanted & SECINFO_SACL)) {
1875 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1876 * present in the reply to match Windows behavior */
1877 if (psd->sacl == NULL &&
1878 security_info_wanted & SECINFO_SACL)
1879 psd->type |= SEC_DESC_SACL_PRESENT;
1880 if (psd->dacl == NULL &&
1881 security_info_wanted & SECINFO_DACL)
1882 psd->type |= SEC_DESC_DACL_PRESENT;
1884 *psd_size = ndr_size_security_descriptor(psd, 0);
1886 DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1887 (unsigned long)*psd_size));
1889 if (DEBUGLEVEL >= 10) {
1890 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1892 NDR_PRINT_DEBUG(security_descriptor, psd);
1895 if (max_data_count < *psd_size) {
1897 return NT_STATUS_BUFFER_TOO_SMALL;
1900 status = marshall_sec_desc(mem_ctx, psd,
1901 ppmarshalled_sd, psd_size);
1903 if (!NT_STATUS_IS_OK(status)) {
1909 return NT_STATUS_OK;
1912 /****************************************************************************
1913 SMB1 reply to query a security descriptor.
1914 ****************************************************************************/
1916 static void call_nt_transact_query_security_desc(connection_struct *conn,
1917 struct smb_request *req,
1921 uint32 parameter_count,
1924 uint32 max_data_count)
1926 char *params = *ppparams;
1927 char *data = *ppdata;
1929 uint32 security_info_wanted;
1930 files_struct *fsp = NULL;
1932 uint8_t *marshalled_sd = NULL;
1934 if(parameter_count < 8) {
1935 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1939 fsp = file_fsp(req, SVAL(params,0));
1941 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1945 security_info_wanted = IVAL(params,4);
1947 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1948 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1949 (unsigned int)security_info_wanted));
1951 params = nttrans_realloc(ppparams, 4);
1952 if(params == NULL) {
1953 reply_nterror(req, NT_STATUS_NO_MEMORY);
1958 * Get the permissions to return.
1961 status = smbd_do_query_security_desc(conn,
1964 security_info_wanted,
1969 if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
1970 SIVAL(params,0,(uint32_t)sd_size);
1971 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1972 params, 4, NULL, 0);
1976 if (!NT_STATUS_IS_OK(status)) {
1977 reply_nterror(req, status);
1981 SMB_ASSERT(sd_size > 0);
1983 SIVAL(params,0,(uint32_t)sd_size);
1985 if (max_data_count < sd_size) {
1986 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1987 params, 4, NULL, 0);
1992 * Allocate the data we will return.
1995 data = nttrans_realloc(ppdata, sd_size);
1997 reply_nterror(req, NT_STATUS_NO_MEMORY);
2001 memcpy(data, marshalled_sd, sd_size);
2003 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2008 /****************************************************************************
2009 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2010 ****************************************************************************/
2012 static void call_nt_transact_set_security_desc(connection_struct *conn,
2013 struct smb_request *req,
2017 uint32 parameter_count,
2020 uint32 max_data_count)
2022 char *params= *ppparams;
2023 char *data = *ppdata;
2024 files_struct *fsp = NULL;
2025 uint32 security_info_sent = 0;
2028 if(parameter_count < 8) {
2029 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2033 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2034 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2038 if (!CAN_WRITE(fsp->conn)) {
2039 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2043 if(!lp_nt_acl_support(SNUM(conn))) {
2047 security_info_sent = IVAL(params,4);
2049 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2050 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2052 if (data_count == 0) {
2053 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2057 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
2059 if (!NT_STATUS_IS_OK(status)) {
2060 reply_nterror(req, status);
2065 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2069 /****************************************************************************
2071 ****************************************************************************/
2073 static void call_nt_transact_ioctl(connection_struct *conn,
2074 struct smb_request *req,
2075 uint16 **ppsetup, uint32 setup_count,
2076 char **ppparams, uint32 parameter_count,
2077 char **ppdata, uint32 data_count,
2078 uint32 max_data_count)
2085 char *pdata = *ppdata;
2087 if (setup_count != 8) {
2088 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2089 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2093 function = IVAL(*ppsetup, 0);
2094 fidnum = SVAL(*ppsetup, 4);
2095 isFSctl = CVAL(*ppsetup, 6);
2096 compfilter = CVAL(*ppsetup, 7);
2098 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2099 function, fidnum, isFSctl, compfilter));
2101 fsp=file_fsp(req, fidnum);
2102 /* this check is done in each implemented function case for now
2103 because I don't want to break anything... --metze
2104 FSP_BELONGS_CONN(fsp,conn);*/
2106 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2109 case FSCTL_SET_SPARSE:
2111 bool set_sparse = true;
2114 if (data_count >= 1 && pdata[0] == 0) {
2118 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X]set[%u]\n",
2119 fidnum, set_sparse));
2121 if (!check_fsp_open(conn, req, fsp)) {
2125 status = file_set_sparse(conn, fsp, set_sparse);
2126 if (!NT_STATUS_IS_OK(status)) {
2127 DEBUG(9,("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2128 smb_fname_str_dbg(fsp->fsp_name), set_sparse, nt_errstr(status)));
2129 reply_nterror(req, status);
2133 DEBUG(10,("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2134 smb_fname_str_dbg(fsp->fsp_name), set_sparse, nt_errstr(status)));
2135 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2138 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2140 unsigned char objid[16];
2142 /* This should return the object-id on this file.
2143 * I think I'll make this be the inode+dev. JRA.
2146 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2148 if (!check_fsp_open(conn, req, fsp)) {
2153 pdata = nttrans_realloc(ppdata, data_count);
2154 if (pdata == NULL) {
2155 reply_nterror(req, NT_STATUS_NO_MEMORY);
2159 /* For backwards compatibility only store the dev/inode. */
2160 push_file_id_16(pdata, &fsp->file_id);
2161 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2162 push_file_id_16(pdata+32, &fsp->file_id);
2163 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2168 case FSCTL_GET_REPARSE_POINT:
2169 /* pretend this fail - my winXP does it like this
2173 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2174 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2177 case FSCTL_SET_REPARSE_POINT:
2178 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2182 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2183 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2186 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2189 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2190 * and return their volume names. If max_data_count is 16, then it is just
2191 * asking for the number of volumes and length of the combined names.
2193 * pdata is the data allocated by our caller, but that uses
2194 * total_data_count (which is 0 in our case) rather than max_data_count.
2195 * Allocate the correct amount and return the pointer to let
2196 * it be deallocated when we return.
2198 SHADOW_COPY_DATA *shadow_data = NULL;
2199 TALLOC_CTX *shadow_mem_ctx = NULL;
2200 bool labels = False;
2201 uint32 labels_data_count = 0;
2205 if (!check_fsp_open(conn, req, fsp)) {
2209 if (max_data_count < 16) {
2210 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2212 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2216 if (max_data_count > 16) {
2220 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2221 if (shadow_mem_ctx == NULL) {
2222 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2223 reply_nterror(req, NT_STATUS_NO_MEMORY);
2227 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2228 if (shadow_data == NULL) {
2229 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2230 talloc_destroy(shadow_mem_ctx);
2231 reply_nterror(req, NT_STATUS_NO_MEMORY);
2235 shadow_data->mem_ctx = shadow_mem_ctx;
2238 * Call the VFS routine to actually do the work.
2240 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2241 talloc_destroy(shadow_data->mem_ctx);
2242 if (errno == ENOSYS) {
2243 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2244 conn->connectpath));
2245 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2248 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2249 conn->connectpath));
2250 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2255 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2260 data_count = 12+labels_data_count+4;
2263 if (max_data_count<data_count) {
2264 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2265 max_data_count,data_count));
2266 talloc_destroy(shadow_data->mem_ctx);
2267 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2271 pdata = nttrans_realloc(ppdata, data_count);
2272 if (pdata == NULL) {
2273 talloc_destroy(shadow_data->mem_ctx);
2274 reply_nterror(req, NT_STATUS_NO_MEMORY);
2280 /* num_volumes 4 bytes */
2281 SIVAL(pdata,0,shadow_data->num_volumes);
2284 /* num_labels 4 bytes */
2285 SIVAL(pdata,4,shadow_data->num_volumes);
2288 /* needed_data_count 4 bytes */
2289 SIVAL(pdata, 8, labels_data_count+4);
2293 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2294 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2295 if (labels && shadow_data->labels) {
2296 for (i=0;i<shadow_data->num_volumes;i++) {
2297 srvstr_push(pdata, req->flags2,
2298 cur_pdata, shadow_data->labels[i],
2299 2*sizeof(SHADOW_COPY_LABEL),
2300 STR_UNICODE|STR_TERMINATE);
2301 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2302 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2306 talloc_destroy(shadow_data->mem_ctx);
2308 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2314 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2316 /* pretend this succeeded -
2318 * we have to send back a list with all files owned by this SID
2320 * but I have to check that --metze
2326 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2328 if (!check_fsp_open(conn, req, fsp)) {
2332 if (data_count < 8) {
2333 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2337 sid_len = MIN(data_count-4,SID_MAX_SIZE);
2339 /* unknown 4 bytes: this is not the length of the sid :-( */
2340 /*unknown = IVAL(pdata,0);*/
2342 if (!sid_parse(pdata+4,sid_len,&sid)) {
2343 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2346 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2348 if (!sid_to_uid(&sid, &uid)) {
2349 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2350 sid_string_dbg(&sid),
2351 (unsigned long)sid_len));
2355 /* we can take a look at the find source :-)
2357 * find ./ -uid $uid -name '*' is what we need here
2360 * and send 4bytes len and then NULL terminated unicode strings
2363 * but I don't know how to deal with the paged results
2364 * (maybe we can hang the result anywhere in the fsp struct)
2366 * we don't send all files at once
2367 * and at the next we should *not* start from the beginning,
2368 * so we have to cache the result
2373 /* this works for now... */
2374 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2377 case FSCTL_QUERY_ALLOCATED_RANGES:
2379 /* FIXME: This is just a dummy reply, telling that all of the
2380 * file is allocated. MKS cp needs that.
2381 * Adding the real allocated ranges via FIEMAP on Linux
2382 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2383 * this FSCTL correct for sparse files.
2386 uint64_t offset, length;
2388 if (!check_fsp_open(conn, req, fsp)) {
2392 if (data_count != 16) {
2393 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2395 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2399 if (max_data_count < 16) {
2400 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2402 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2406 offset = BVAL(pdata,0);
2407 length = BVAL(pdata,8);
2409 if (offset + length < offset) {
2410 /* No 64-bit integer wrap. */
2411 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2415 status = vfs_stat_fsp(fsp);
2416 if (!NT_STATUS_IS_OK(status)) {
2417 reply_nterror(req, status);
2421 if (offset > fsp->fsp_name->st.st_ex_size ||
2422 fsp->fsp_name->st.st_ex_size == 0 ||
2424 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2426 uint64_t end = offset + length;
2427 end = MIN(end, fsp->fsp_name->st.st_ex_size);
2430 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2436 /* Only print this once... */
2437 if (!logged_ioctl_message) {
2438 logged_ioctl_message = true;
2439 DEBUG(2,("call_nt_transact_ioctl(0x%x): "
2440 "Currently not implemented.\n",
2445 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2449 #ifdef HAVE_SYS_QUOTAS
2450 /****************************************************************************
2451 Reply to get user quota
2452 ****************************************************************************/
2454 static void call_nt_transact_get_user_quota(connection_struct *conn,
2455 struct smb_request *req,
2459 uint32 parameter_count,
2462 uint32 max_data_count)
2464 NTSTATUS nt_status = NT_STATUS_OK;
2465 char *params = *ppparams;
2466 char *pdata = *ppdata;
2468 int data_len=0,param_len=0;
2471 files_struct *fsp = NULL;
2475 bool start_enum = True;
2476 SMB_NTQUOTA_STRUCT qt;
2477 SMB_NTQUOTA_LIST *tmp_list;
2478 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2483 if (conn->server_info->utok.uid != 0) {
2484 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2485 "[%s]\n", lp_servicename(SNUM(conn)),
2486 conn->server_info->unix_name));
2487 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2492 * Ensure minimum number of parameters sent.
2495 if (parameter_count < 4) {
2496 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2497 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2501 /* maybe we can check the quota_fnum */
2502 fsp = file_fsp(req, SVAL(params,0));
2503 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2504 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2505 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2509 /* the NULL pointer checking for fsp->fake_file_handle->pd
2510 * is done by CHECK_NTQUOTA_HANDLE_OK()
2512 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2514 level = SVAL(params,2);
2516 /* unknown 12 bytes leading in params */
2519 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2520 /* seems that we should continue with the enum here --metze */
2522 if (qt_handle->quota_list!=NULL &&
2523 qt_handle->tmp_list==NULL) {
2526 free_ntquota_list(&(qt_handle->quota_list));
2528 /* Realloc the size of parameters and data we will return */
2530 params = nttrans_realloc(ppparams, param_len);
2531 if(params == NULL) {
2532 reply_nterror(req, NT_STATUS_NO_MEMORY);
2537 SIVAL(params,0,data_len);
2544 case TRANSACT_GET_USER_QUOTA_LIST_START:
2546 if (qt_handle->quota_list==NULL &&
2547 qt_handle->tmp_list==NULL) {
2551 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2552 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2556 /* Realloc the size of parameters and data we will return */
2558 params = nttrans_realloc(ppparams, param_len);
2559 if(params == NULL) {
2560 reply_nterror(req, NT_STATUS_NO_MEMORY);
2564 /* we should not trust the value in max_data_count*/
2565 max_data_count = MIN(max_data_count,2048);
2567 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2569 reply_nterror(req, NT_STATUS_NO_MEMORY);
2575 /* set params Size of returned Quota Data 4 bytes*/
2576 /* but set it later when we know it */
2578 /* for each entry push the data */
2581 qt_handle->tmp_list = qt_handle->quota_list;
2584 tmp_list = qt_handle->tmp_list;
2586 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2587 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2589 sid_len = ndr_size_dom_sid(
2590 &tmp_list->quotas->sid, 0);
2591 entry_len = 40 + sid_len;
2593 /* nextoffset entry 4 bytes */
2594 SIVAL(entry,0,entry_len);
2596 /* then the len of the SID 4 bytes */
2597 SIVAL(entry,4,sid_len);
2599 /* unknown data 8 bytes uint64_t */
2600 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2602 /* the used disk space 8 bytes uint64_t */
2603 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2605 /* the soft quotas 8 bytes uint64_t */
2606 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2608 /* the hard quotas 8 bytes uint64_t */
2609 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2611 /* and now the SID */
2612 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2615 qt_handle->tmp_list = tmp_list;
2617 /* overwrite the offset of the last entry */
2618 SIVAL(entry-entry_len,0,0);
2620 data_len = 4+qt_len;
2621 /* overwrite the params quota_data_len */
2622 SIVAL(params,0,data_len);
2626 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2628 /* unknown 4 bytes IVAL(pdata,0) */
2630 if (data_count < 8) {
2631 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2632 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2636 sid_len = IVAL(pdata,4);
2637 /* Ensure this is less than 1mb. */
2638 if (sid_len > (1024*1024)) {
2639 reply_nterror(req, NT_STATUS_NO_MEMORY);
2643 if (data_count < 8+sid_len) {
2644 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2645 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2649 data_len = 4+40+sid_len;
2651 if (max_data_count < data_len) {
2652 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2653 max_data_count, data_len));
2655 SIVAL(params,0,data_len);
2657 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2661 if (!sid_parse(pdata+8,sid_len,&sid)) {
2662 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2666 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2669 * we have to return zero's in all fields
2670 * instead of returning an error here
2675 /* Realloc the size of parameters and data we will return */
2677 params = nttrans_realloc(ppparams, param_len);
2678 if(params == NULL) {
2679 reply_nterror(req, NT_STATUS_NO_MEMORY);
2683 pdata = nttrans_realloc(ppdata, data_len);
2685 reply_nterror(req, NT_STATUS_NO_MEMORY);
2691 /* set params Size of returned Quota Data 4 bytes*/
2692 SIVAL(params,0,data_len);
2694 /* nextoffset entry 4 bytes */
2697 /* then the len of the SID 4 bytes */
2698 SIVAL(entry,4,sid_len);
2700 /* unknown data 8 bytes uint64_t */
2701 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2703 /* the used disk space 8 bytes uint64_t */
2704 SBIG_UINT(entry,16,qt.usedspace);
2706 /* the soft quotas 8 bytes uint64_t */
2707 SBIG_UINT(entry,24,qt.softlim);
2709 /* the hard quotas 8 bytes uint64_t */
2710 SBIG_UINT(entry,32,qt.hardlim);
2712 /* and now the SID */
2713 sid_linearize(entry+40, sid_len, &sid);
2718 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2719 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2724 send_nt_replies(conn, req, nt_status, params, param_len,
2728 /****************************************************************************
2729 Reply to set user quota
2730 ****************************************************************************/
2732 static void call_nt_transact_set_user_quota(connection_struct *conn,
2733 struct smb_request *req,
2737 uint32 parameter_count,
2740 uint32 max_data_count)
2742 char *params = *ppparams;
2743 char *pdata = *ppdata;
2744 int data_len=0,param_len=0;
2745 SMB_NTQUOTA_STRUCT qt;
2748 files_struct *fsp = NULL;
2753 if (conn->server_info->utok.uid != 0) {
2754 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2755 "[%s]\n", lp_servicename(SNUM(conn)),
2756 conn->server_info->unix_name));
2757 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2762 * Ensure minimum number of parameters sent.
2765 if (parameter_count < 2) {
2766 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2767 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2771 /* maybe we can check the quota_fnum */
2772 fsp = file_fsp(req, SVAL(params,0));
2773 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2774 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2775 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2779 if (data_count < 40) {
2780 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2781 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2785 /* offset to next quota record.
2786 * 4 bytes IVAL(pdata,0)
2791 sid_len = IVAL(pdata,4);
2793 if (data_count < 40+sid_len || (40+sid_len < sid_len)) {
2794 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2795 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2799 /* unknown 8 bytes in pdata
2800 * maybe its the change time in NTTIME
2803 /* the used space 8 bytes (uint64_t)*/
2804 qt.usedspace = (uint64_t)IVAL(pdata,16);
2805 #ifdef LARGE_SMB_OFF_T
2806 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2807 #else /* LARGE_SMB_OFF_T */
2808 if ((IVAL(pdata,20) != 0)&&
2809 ((qt.usedspace != 0xFFFFFFFF)||
2810 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2811 /* more than 32 bits? */
2812 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2815 #endif /* LARGE_SMB_OFF_T */
2817 /* the soft quotas 8 bytes (uint64_t)*/
2818 qt.softlim = (uint64_t)IVAL(pdata,24);
2819 #ifdef LARGE_SMB_OFF_T
2820 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2821 #else /* LARGE_SMB_OFF_T */
2822 if ((IVAL(pdata,28) != 0)&&
2823 ((qt.softlim != 0xFFFFFFFF)||
2824 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2825 /* more than 32 bits? */
2826 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2829 #endif /* LARGE_SMB_OFF_T */
2831 /* the hard quotas 8 bytes (uint64_t)*/
2832 qt.hardlim = (uint64_t)IVAL(pdata,32);
2833 #ifdef LARGE_SMB_OFF_T
2834 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2835 #else /* LARGE_SMB_OFF_T */
2836 if ((IVAL(pdata,36) != 0)&&
2837 ((qt.hardlim != 0xFFFFFFFF)||
2838 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2839 /* more than 32 bits? */
2840 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2843 #endif /* LARGE_SMB_OFF_T */
2845 if (!sid_parse(pdata+40,sid_len,&sid)) {
2846 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2850 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2852 /* 44 unknown bytes left... */
2854 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2855 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2859 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2862 #endif /* HAVE_SYS_QUOTAS */
2864 static void handle_nttrans(connection_struct *conn,
2865 struct trans_state *state,
2866 struct smb_request *req)
2868 if (get_Protocol() >= PROTOCOL_NT1) {
2869 req->flags2 |= 0x40; /* IS_LONG_NAME */
2870 SSVAL(req->inbuf,smb_flg2,req->flags2);
2874 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2876 /* Now we must call the relevant NT_TRANS function */
2877 switch(state->call) {
2878 case NT_TRANSACT_CREATE:
2880 START_PROFILE(NT_transact_create);
2881 call_nt_transact_create(
2883 &state->setup, state->setup_count,
2884 &state->param, state->total_param,
2885 &state->data, state->total_data,
2886 state->max_data_return);
2887 END_PROFILE(NT_transact_create);
2891 case NT_TRANSACT_IOCTL:
2893 START_PROFILE(NT_transact_ioctl);
2894 call_nt_transact_ioctl(
2896 &state->setup, state->setup_count,
2897 &state->param, state->total_param,
2898 &state->data, state->total_data,
2899 state->max_data_return);
2900 END_PROFILE(NT_transact_ioctl);
2904 case NT_TRANSACT_SET_SECURITY_DESC:
2906 START_PROFILE(NT_transact_set_security_desc);
2907 call_nt_transact_set_security_desc(
2909 &state->setup, state->setup_count,
2910 &state->param, state->total_param,
2911 &state->data, state->total_data,
2912 state->max_data_return);
2913 END_PROFILE(NT_transact_set_security_desc);
2917 case NT_TRANSACT_NOTIFY_CHANGE:
2919 START_PROFILE(NT_transact_notify_change);
2920 call_nt_transact_notify_change(
2922 &state->setup, state->setup_count,
2923 &state->param, state->total_param,
2924 &state->data, state->total_data,
2925 state->max_data_return,
2926 state->max_param_return);
2927 END_PROFILE(NT_transact_notify_change);
2931 case NT_TRANSACT_RENAME:
2933 START_PROFILE(NT_transact_rename);
2934 call_nt_transact_rename(
2936 &state->setup, state->setup_count,
2937 &state->param, state->total_param,
2938 &state->data, state->total_data,
2939 state->max_data_return);
2940 END_PROFILE(NT_transact_rename);
2944 case NT_TRANSACT_QUERY_SECURITY_DESC:
2946 START_PROFILE(NT_transact_query_security_desc);
2947 call_nt_transact_query_security_desc(
2949 &state->setup, state->setup_count,
2950 &state->param, state->total_param,
2951 &state->data, state->total_data,
2952 state->max_data_return);
2953 END_PROFILE(NT_transact_query_security_desc);
2957 #ifdef HAVE_SYS_QUOTAS
2958 case NT_TRANSACT_GET_USER_QUOTA:
2960 START_PROFILE(NT_transact_get_user_quota);
2961 call_nt_transact_get_user_quota(
2963 &state->setup, state->setup_count,
2964 &state->param, state->total_param,
2965 &state->data, state->total_data,
2966 state->max_data_return);
2967 END_PROFILE(NT_transact_get_user_quota);
2971 case NT_TRANSACT_SET_USER_QUOTA:
2973 START_PROFILE(NT_transact_set_user_quota);
2974 call_nt_transact_set_user_quota(
2976 &state->setup, state->setup_count,
2977 &state->param, state->total_param,
2978 &state->data, state->total_data,
2979 state->max_data_return);
2980 END_PROFILE(NT_transact_set_user_quota);
2983 #endif /* HAVE_SYS_QUOTAS */
2986 /* Error in request */
2987 DEBUG(0,("handle_nttrans: Unknown request %d in "
2988 "nttrans call\n", state->call));
2989 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2995 /****************************************************************************
2996 Reply to a SMBNTtrans.
2997 ****************************************************************************/
2999 void reply_nttrans(struct smb_request *req)
3001 connection_struct *conn = req->conn;
3006 uint16 function_code;
3008 struct trans_state *state;
3010 START_PROFILE(SMBnttrans);
3012 if (req->wct < 19) {
3013 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3014 END_PROFILE(SMBnttrans);
3018 pscnt = IVAL(req->vwv+9, 1);
3019 psoff = IVAL(req->vwv+11, 1);
3020 dscnt = IVAL(req->vwv+13, 1);
3021 dsoff = IVAL(req->vwv+15, 1);
3022 function_code = SVAL(req->vwv+18, 0);
3024 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3025 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3026 END_PROFILE(SMBnttrans);
3030 result = allow_new_trans(conn->pending_trans, req->mid);
3031 if (!NT_STATUS_IS_OK(result)) {
3032 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3033 reply_nterror(req, result);
3034 END_PROFILE(SMBnttrans);
3038 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
3039 reply_nterror(req, NT_STATUS_NO_MEMORY);
3040 END_PROFILE(SMBnttrans);
3044 state->cmd = SMBnttrans;
3046 state->mid = req->mid;
3047 state->vuid = req->vuid;
3048 state->total_data = IVAL(req->vwv+3, 1);
3050 state->total_param = IVAL(req->vwv+1, 1);
3051 state->param = NULL;
3052 state->max_data_return = IVAL(req->vwv+7, 1);
3053 state->max_param_return = IVAL(req->vwv+5, 1);
3055 /* setup count is in *words* */
3056 state->setup_count = 2*CVAL(req->vwv+17, 1);
3057 state->setup = NULL;
3058 state->call = function_code;
3060 DEBUG(10, ("num_setup=%u, "
3061 "param_total=%u, this_param=%u, max_param=%u, "
3062 "data_total=%u, this_data=%u, max_data=%u, "
3063 "param_offset=%u, data_offset=%u\n",
3064 (unsigned)state->setup_count,
3065 (unsigned)state->total_param, (unsigned)pscnt,
3066 (unsigned)state->max_param_return,
3067 (unsigned)state->total_data, (unsigned)dscnt,
3068 (unsigned)state->max_data_return,
3069 (unsigned)psoff, (unsigned)dsoff));
3072 * All nttrans messages we handle have smb_wct == 19 +
3073 * state->setup_count. Ensure this is so as a sanity check.
3076 if(req->wct != 19 + (state->setup_count/2)) {
3077 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3078 req->wct, 19 + (state->setup_count/2)));
3082 /* Don't allow more than 128mb for each value. */
3083 if ((state->total_data > (1024*1024*128)) ||
3084 (state->total_param > (1024*1024*128))) {
3085 reply_nterror(req, NT_STATUS_NO_MEMORY);
3086 END_PROFILE(SMBnttrans);
3090 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3093 if (state->total_data) {
3095 if (trans_oob(state->total_data, 0, dscnt)
3096 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3100 /* Can't use talloc here, the core routines do realloc on the
3101 * params and data. */
3102 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3103 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3104 "bytes !\n", (unsigned int)state->total_data));
3106 reply_nterror(req, NT_STATUS_NO_MEMORY);
3107 END_PROFILE(SMBnttrans);
3111 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3114 if (state->total_param) {
3116 if (trans_oob(state->total_param, 0, pscnt)
3117 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3121 /* Can't use talloc here, the core routines do realloc on the
3122 * params and data. */
3123 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3124 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3125 "bytes !\n", (unsigned int)state->total_param));
3126 SAFE_FREE(state->data);
3128 reply_nterror(req, NT_STATUS_NO_MEMORY);
3129 END_PROFILE(SMBnttrans);
3133 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3136 state->received_data = dscnt;
3137 state->received_param = pscnt;
3139 if(state->setup_count > 0) {
3140 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3141 state->setup_count));
3144 * No overflow possible here, state->setup_count is an
3145 * unsigned int, being filled by a single byte from
3146 * CVAL(req->vwv+13, 0) above. The cast in the comparison
3147 * below is not necessary, it's here to clarify things. The
3148 * validity of req->vwv and req->wct has been checked in
3149 * init_smb_request already.
3151 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3155 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3156 if (state->setup == NULL) {
3157 DEBUG(0,("reply_nttrans : Out of memory\n"));
3158 SAFE_FREE(state->data);
3159 SAFE_FREE(state->param);
3161 reply_nterror(req, NT_STATUS_NO_MEMORY);
3162 END_PROFILE(SMBnttrans);
3166 memcpy(state->setup, req->vwv+19, state->setup_count);
3167 dump_data(10, (uint8 *)state->setup, state->setup_count);
3170 if ((state->received_data == state->total_data) &&
3171 (state->received_param == state->total_param)) {
3172 handle_nttrans(conn, state, req);
3173 SAFE_FREE(state->param);
3174 SAFE_FREE(state->data);
3176 END_PROFILE(SMBnttrans);
3180 DLIST_ADD(conn->pending_trans, state);
3182 /* We need to send an interim response then receive the rest
3183 of the parameter/data bytes */
3184 reply_outbuf(req, 0, 0);
3185 show_msg((char *)req->outbuf);
3186 END_PROFILE(SMBnttrans);
3191 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3192 SAFE_FREE(state->data);
3193 SAFE_FREE(state->param);
3195 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3196 END_PROFILE(SMBnttrans);
3200 /****************************************************************************
3201 Reply to a SMBnttranss
3202 ****************************************************************************/
3204 void reply_nttranss(struct smb_request *req)
3206 connection_struct *conn = req->conn;
3207 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3208 struct trans_state *state;
3210 START_PROFILE(SMBnttranss);
3212 show_msg((char *)req->inbuf);
3214 if (req->wct < 18) {
3215 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3216 END_PROFILE(SMBnttranss);
3220 for (state = conn->pending_trans; state != NULL;
3221 state = state->next) {
3222 if (state->mid == req->mid) {
3227 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3228 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3229 END_PROFILE(SMBnttranss);
3233 /* Revise state->total_param and state->total_data in case they have
3234 changed downwards */
3235 if (IVAL(req->vwv+1, 1) < state->total_param) {
3236 state->total_param = IVAL(req->vwv+1, 1);
3238 if (IVAL(req->vwv+3, 1) < state->total_data) {
3239 state->total_data = IVAL(req->vwv+3, 1);
3242 pcnt = IVAL(req->vwv+5, 1);
3243 poff = IVAL(req->vwv+7, 1);
3244 pdisp = IVAL(req->vwv+9, 1);
3246 dcnt = IVAL(req->vwv+11, 1);
3247 doff = IVAL(req->vwv+13, 1);
3248 ddisp = IVAL(req->vwv+15, 1);
3250 state->received_param += pcnt;
3251 state->received_data += dcnt;
3253 if ((state->received_data > state->total_data) ||
3254 (state->received_param > state->total_param))
3258 if (trans_oob(state->total_param, pdisp, pcnt)
3259 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3262 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3266 if (trans_oob(state->total_data, ddisp, dcnt)
3267 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3270 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3273 if ((state->received_param < state->total_param) ||
3274 (state->received_data < state->total_data)) {
3275 END_PROFILE(SMBnttranss);
3279 handle_nttrans(conn, state, req);
3281 DLIST_REMOVE(conn->pending_trans, state);
3282 SAFE_FREE(state->data);
3283 SAFE_FREE(state->param);
3285 END_PROFILE(SMBnttranss);
3290 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3291 DLIST_REMOVE(conn->pending_trans, state);
3292 SAFE_FREE(state->data);
3293 SAFE_FREE(state->param);
3295 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3296 END_PROFILE(SMBnttranss);