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"
24 extern enum protocol_types Protocol;
25 extern const struct generic_mapping file_generic_mapping;
27 static char *nttrans_realloc(char **ptr, size_t size)
30 smb_panic("nttrans_realloc() called with NULL ptr");
33 *ptr = (char *)SMB_REALLOC(*ptr, size);
37 memset(*ptr,'\0',size);
41 /****************************************************************************
42 Send the required number of replies back.
43 We assume all fields other than the data fields are
44 set correctly for the type of call.
45 HACK ! Always assumes smb_setup field is zero.
46 ****************************************************************************/
48 void send_nt_replies(connection_struct *conn,
49 struct smb_request *req, NTSTATUS nt_error,
50 char *params, int paramsize,
51 char *pdata, int datasize)
53 int data_to_send = datasize;
54 int params_to_send = paramsize;
58 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
59 int alignment_offset = 3;
60 int data_alignment_offset = 0;
61 struct smbd_server_connection *sconn = smbd_server_conn;
62 int max_send = sconn->smb1.sessions.max_send;
65 * If there genuinely are no parameters or data to send just send
69 if(params_to_send == 0 && data_to_send == 0) {
70 reply_outbuf(req, 18, 0);
71 if (NT_STATUS_V(nt_error)) {
72 error_packet_set((char *)req->outbuf,
76 show_msg((char *)req->outbuf);
77 if (!srv_send_smb(smbd_server_fd(),
80 IS_CONN_ENCRYPTED(conn),
82 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
84 TALLOC_FREE(req->outbuf);
89 * When sending params and data ensure that both are nicely aligned.
90 * Only do this alignment when there is also data to send - else
91 * can cause NT redirector problems.
94 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
95 data_alignment_offset = 4 - (params_to_send % 4);
99 * Space is bufsize minus Netbios over TCP header minus SMB header.
100 * The alignment_offset is to align the param bytes on a four byte
101 * boundary (2 bytes for data len, one byte pad).
102 * NT needs this to work correctly.
105 useable_space = max_send - (smb_size
108 + data_alignment_offset);
110 if (useable_space < 0) {
111 char *msg = talloc_asprintf(
113 "send_nt_replies failed sanity useable_space = %d!!!",
115 DEBUG(0, ("%s\n", msg));
116 exit_server_cleanly(msg);
119 while (params_to_send || data_to_send) {
122 * Calculate whether we will totally or partially fill this packet.
125 total_sent_thistime = params_to_send + data_to_send;
128 * We can never send more than useable_space.
131 total_sent_thistime = MIN(total_sent_thistime, useable_space);
133 reply_outbuf(req, 18,
134 total_sent_thistime + alignment_offset
135 + data_alignment_offset);
138 * We might have had SMBnttranss in req->inbuf, fix that.
140 SCVAL(req->outbuf, smb_com, SMBnttrans);
143 * Set total params and data to be sent.
146 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
147 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
150 * Calculate how many parameters and data we can fit into
151 * this packet. Parameters get precedence.
154 params_sent_thistime = MIN(params_to_send,useable_space);
155 data_sent_thistime = useable_space - params_sent_thistime;
156 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
158 SIVAL(req->outbuf, smb_ntr_ParameterCount,
159 params_sent_thistime);
161 if(params_sent_thistime == 0) {
162 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
163 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
166 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
167 * parameter bytes, however the first 4 bytes of outbuf are
168 * the Netbios over TCP header. Thus use smb_base() to subtract
169 * them from the calculation.
172 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
173 ((smb_buf(req->outbuf)+alignment_offset)
174 - smb_base(req->outbuf)));
176 * Absolute displacement of param bytes sent in this packet.
179 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
184 * Deal with the data portion.
187 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
189 if(data_sent_thistime == 0) {
190 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
191 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
194 * The offset of the data bytes is the offset of the
195 * parameter bytes plus the number of parameters being sent this time.
198 SIVAL(req->outbuf, smb_ntr_DataOffset,
199 ((smb_buf(req->outbuf)+alignment_offset) -
200 smb_base(req->outbuf))
201 + params_sent_thistime + data_alignment_offset);
202 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
206 * Copy the param bytes into the packet.
209 if(params_sent_thistime) {
210 if (alignment_offset != 0) {
211 memset(smb_buf(req->outbuf), 0,
214 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
215 params_sent_thistime);
219 * Copy in the data bytes
222 if(data_sent_thistime) {
223 if (data_alignment_offset != 0) {
224 memset((smb_buf(req->outbuf)+alignment_offset+
225 params_sent_thistime), 0,
226 data_alignment_offset);
228 memcpy(smb_buf(req->outbuf)+alignment_offset
229 +params_sent_thistime+data_alignment_offset,
230 pd,data_sent_thistime);
233 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
234 params_sent_thistime, data_sent_thistime, useable_space));
235 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
236 params_to_send, data_to_send, paramsize, datasize));
238 if (NT_STATUS_V(nt_error)) {
239 error_packet_set((char *)req->outbuf,
244 /* Send the packet */
245 show_msg((char *)req->outbuf);
246 if (!srv_send_smb(smbd_server_fd(),
249 IS_CONN_ENCRYPTED(conn),
251 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
254 TALLOC_FREE(req->outbuf);
256 pp += params_sent_thistime;
257 pd += data_sent_thistime;
259 params_to_send -= params_sent_thistime;
260 data_to_send -= data_sent_thistime;
266 if(params_to_send < 0 || data_to_send < 0) {
267 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
268 params_to_send, data_to_send));
269 exit_server_cleanly("send_nt_replies: internal error");
274 /****************************************************************************
275 Reply to an NT create and X call on a pipe
276 ****************************************************************************/
278 static void nt_open_pipe(char *fname, connection_struct *conn,
279 struct smb_request *req, int *ppnum)
284 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
286 /* Strip \\ off the name. */
289 status = open_np_file(req, fname, &fsp);
290 if (!NT_STATUS_IS_OK(status)) {
291 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
292 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
296 reply_nterror(req, status);
304 /****************************************************************************
305 Reply to an NT create and X call for pipes.
306 ****************************************************************************/
308 static void do_ntcreate_pipe_open(connection_struct *conn,
309 struct smb_request *req)
314 uint32 flags = IVAL(req->vwv+3, 1);
315 TALLOC_CTX *ctx = talloc_tos();
317 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
320 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
324 nt_open_pipe(fname, conn, req, &pnum);
332 * Deal with pipe return.
335 if (flags & EXTENDED_RESPONSE_REQUIRED) {
336 /* This is very strange. We
337 * return 50 words, but only set
338 * the wcnt to 42 ? It's definately
339 * what happens on the wire....
341 reply_outbuf(req, 50, 0);
342 SCVAL(req->outbuf,smb_wct,42);
344 reply_outbuf(req, 34, 0);
347 p = (char *)req->outbuf + smb_vwv2;
351 SIVAL(p,0,FILE_WAS_OPENED);
354 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
357 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
359 SSVAL(p,2, 0x5FF); /* ? */
362 if (flags & EXTENDED_RESPONSE_REQUIRED) {
364 SIVAL(p,0,FILE_GENERIC_ALL);
366 * For pipes W2K3 seems to return
368 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
370 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
373 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
378 /****************************************************************************
379 Reply to an NT create and X call.
380 ****************************************************************************/
382 void reply_ntcreate_and_X(struct smb_request *req)
384 connection_struct *conn = req->conn;
385 struct smb_filename *smb_fname = NULL;
389 uint32 file_attributes;
391 uint32 create_disposition;
392 uint32 create_options;
394 uint64_t allocation_size;
395 /* Breakout the oplock request bits so we can set the
396 reply bits separately. */
398 SMB_OFF_T file_len = 0;
400 files_struct *fsp = NULL;
402 struct timespec c_timespec;
403 struct timespec a_timespec;
404 struct timespec m_timespec;
405 struct timespec write_time_ts;
408 uint8_t oplock_granted = NO_OPLOCK_RETURN;
409 TALLOC_CTX *ctx = talloc_tos();
411 START_PROFILE(SMBntcreateX);
414 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
418 flags = IVAL(req->vwv+3, 1);
419 access_mask = IVAL(req->vwv+7, 1);
420 file_attributes = IVAL(req->vwv+13, 1);
421 share_access = IVAL(req->vwv+15, 1);
422 create_disposition = IVAL(req->vwv+17, 1);
423 create_options = IVAL(req->vwv+19, 1);
424 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
426 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
427 #ifdef LARGE_SMB_OFF_T
428 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
431 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
432 STR_TERMINATE, &status);
434 if (!NT_STATUS_IS_OK(status)) {
435 reply_nterror(req, status);
439 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
440 "file_attributes = 0x%x, share_access = 0x%x, "
441 "create_disposition = 0x%x create_options = 0x%x "
442 "root_dir_fid = 0x%x, fname = %s\n",
444 (unsigned int)access_mask,
445 (unsigned int)file_attributes,
446 (unsigned int)share_access,
447 (unsigned int)create_disposition,
448 (unsigned int)create_options,
449 (unsigned int)root_dir_fid,
453 * we need to remove ignored bits when they come directly from the client
454 * because we reuse some of them for internal stuff
456 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
459 * If it's an IPC, use the pipe handler.
463 if (lp_nt_pipe_support()) {
464 do_ntcreate_pipe_open(conn, req);
467 reply_doserror(req, ERRDOS, ERRnoaccess);
471 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
472 if (oplock_request) {
473 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
477 status = filename_convert(ctx,
479 req->flags2 & FLAGS2_DFS_PATHNAMES,
484 if (!NT_STATUS_IS_OK(status)) {
485 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
487 NT_STATUS_PATH_NOT_COVERED,
491 reply_nterror(req, status);
495 status = SMB_VFS_CREATE_FILE(
498 root_dir_fid, /* root_dir_fid */
499 smb_fname, /* fname */
500 access_mask, /* access_mask */
501 share_access, /* share_access */
502 create_disposition, /* create_disposition*/
503 create_options, /* create_options */
504 file_attributes, /* file_attributes */
505 oplock_request, /* oplock_request */
506 allocation_size, /* allocation_size */
512 if (!NT_STATUS_IS_OK(status)) {
513 if (open_was_deferred(req->mid)) {
514 /* We have re-scheduled this call, no error. */
517 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
518 reply_botherror(req, status, ERRDOS, ERRfilexists);
521 reply_nterror(req, status);
527 * If the caller set the extended oplock request bit
528 * and we granted one (by whatever means) - set the
529 * correct bit for extended oplock reply.
532 if (oplock_request &&
533 (lp_fake_oplocks(SNUM(conn))
534 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
537 * Exclusive oplock granted
540 if (flags & REQUEST_BATCH_OPLOCK) {
541 oplock_granted = BATCH_OPLOCK_RETURN;
543 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
545 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
546 oplock_granted = LEVEL_II_OPLOCK_RETURN;
548 oplock_granted = NO_OPLOCK_RETURN;
551 file_len = smb_fname->st.st_ex_size;
552 fattr = dos_mode(conn, smb_fname);
554 fattr = FILE_ATTRIBUTE_NORMAL;
557 if (flags & EXTENDED_RESPONSE_REQUIRED) {
558 /* This is very strange. We
559 * return 50 words, but only set
560 * the wcnt to 42 ? It's definately
561 * what happens on the wire....
563 reply_outbuf(req, 50, 0);
564 SCVAL(req->outbuf,smb_wct,42);
566 reply_outbuf(req, 34, 0);
569 p = (char *)req->outbuf + smb_vwv2;
571 SCVAL(p, 0, oplock_granted);
574 SSVAL(p,0,fsp->fnum);
576 if ((create_disposition == FILE_SUPERSEDE)
577 && (info == FILE_WAS_OVERWRITTEN)) {
578 SIVAL(p,0,FILE_WAS_SUPERSEDED);
584 /* Deal with other possible opens having a modified
586 ZERO_STRUCT(write_time_ts);
587 get_file_infos(fsp->file_id, NULL, &write_time_ts);
588 if (!null_timespec(write_time_ts)) {
589 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
593 c_timespec = smb_fname->st.st_ex_btime;
594 a_timespec = smb_fname->st.st_ex_atime;
595 m_timespec = smb_fname->st.st_ex_mtime;
597 if (lp_dos_filetime_resolution(SNUM(conn))) {
598 dos_filetime_timespec(&c_timespec);
599 dos_filetime_timespec(&a_timespec);
600 dos_filetime_timespec(&m_timespec);
603 put_long_date_timespec(p, c_timespec); /* create time. */
605 put_long_date_timespec(p, a_timespec); /* access time */
607 put_long_date_timespec(p, m_timespec); /* write time */
609 put_long_date_timespec(p, m_timespec); /* change time */
611 SIVAL(p,0,fattr); /* File Attributes. */
613 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
615 SOFF_T(p,0,file_len);
617 if (flags & EXTENDED_RESPONSE_REQUIRED) {
621 SCVAL(p,0,fsp->is_directory ? 1 : 0);
623 if (flags & EXTENDED_RESPONSE_REQUIRED) {
626 if (fsp->is_directory ||
627 can_write_to_file(conn, smb_fname)) {
628 perms = FILE_GENERIC_ALL;
630 perms = FILE_GENERIC_READ|FILE_EXECUTE;
635 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
636 fsp->fnum, smb_fname_str_dbg(smb_fname)));
640 TALLOC_FREE(smb_fname);
641 END_PROFILE(SMBntcreateX);
645 /****************************************************************************
646 Reply to a NT_TRANSACT_CREATE call to open a pipe.
647 ****************************************************************************/
649 static void do_nt_transact_create_pipe(connection_struct *conn,
650 struct smb_request *req,
651 uint16 **ppsetup, uint32 setup_count,
652 char **ppparams, uint32 parameter_count,
653 char **ppdata, uint32 data_count)
656 char *params = *ppparams;
662 TALLOC_CTX *ctx = talloc_tos();
665 * Ensure minimum number of parameters sent.
668 if(parameter_count < 54) {
669 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
670 reply_doserror(req, ERRDOS, ERRnoaccess);
674 flags = IVAL(params,0);
676 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
677 parameter_count-53, STR_TERMINATE,
679 if (!NT_STATUS_IS_OK(status)) {
680 reply_nterror(req, status);
684 nt_open_pipe(fname, conn, req, &pnum);
691 /* Realloc the size of parameters and data we will return */
692 if (flags & EXTENDED_RESPONSE_REQUIRED) {
693 /* Extended response is 32 more byyes. */
698 params = nttrans_realloc(ppparams, param_len);
700 reply_doserror(req, ERRDOS, ERRnomem);
705 SCVAL(p,0,NO_OPLOCK_RETURN);
710 SIVAL(p,0,FILE_WAS_OPENED);
714 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
717 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
719 SSVAL(p,2, 0x5FF); /* ? */
722 if (flags & EXTENDED_RESPONSE_REQUIRED) {
724 SIVAL(p,0,FILE_GENERIC_ALL);
726 * For pipes W2K3 seems to return
728 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
730 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
733 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
735 /* Send the required number of replies */
736 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
741 /****************************************************************************
742 Internal fn to set security descriptors.
743 ****************************************************************************/
745 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
746 uint32 security_info_sent)
748 SEC_DESC *psd = NULL;
751 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
755 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
757 if (!NT_STATUS_IS_OK(status)) {
761 if (psd->owner_sid == NULL) {
762 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
764 if (psd->group_sid == NULL) {
765 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
768 /* Convert all the generic bits. */
769 security_acl_map_generic(psd->dacl, &file_generic_mapping);
770 security_acl_map_generic(psd->sacl, &file_generic_mapping);
772 if (DEBUGLEVEL >= 10) {
773 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
774 NDR_PRINT_DEBUG(security_descriptor, psd);
777 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
784 /****************************************************************************
785 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
786 ****************************************************************************/
788 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
790 struct ea_list *ea_list_head = NULL;
797 while (offset + 4 <= data_size) {
798 size_t next_offset = IVAL(pdata,offset);
799 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
805 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
806 if (next_offset == 0) {
809 offset += next_offset;
815 /****************************************************************************
816 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
817 ****************************************************************************/
819 static void call_nt_transact_create(connection_struct *conn,
820 struct smb_request *req,
821 uint16 **ppsetup, uint32 setup_count,
822 char **ppparams, uint32 parameter_count,
823 char **ppdata, uint32 data_count,
824 uint32 max_data_count)
826 struct smb_filename *smb_fname = NULL;
828 char *params = *ppparams;
829 char *data = *ppdata;
830 /* Breakout the oplock request bits so we can set the reply bits separately. */
832 SMB_OFF_T file_len = 0;
834 files_struct *fsp = NULL;
838 uint32 file_attributes;
840 uint32 create_disposition;
841 uint32 create_options;
843 struct security_descriptor *sd = NULL;
846 struct timespec c_timespec;
847 struct timespec a_timespec;
848 struct timespec m_timespec;
849 struct timespec write_time_ts;
850 struct ea_list *ea_list = NULL;
853 uint64_t allocation_size;
855 uint8_t oplock_granted;
856 TALLOC_CTX *ctx = talloc_tos();
858 DEBUG(5,("call_nt_transact_create\n"));
861 * If it's an IPC, use the pipe handler.
865 if (lp_nt_pipe_support()) {
866 do_nt_transact_create_pipe(
868 ppsetup, setup_count,
869 ppparams, parameter_count,
873 reply_doserror(req, ERRDOS, ERRnoaccess);
878 * Ensure minimum number of parameters sent.
881 if(parameter_count < 54) {
882 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
883 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
887 flags = IVAL(params,0);
888 access_mask = IVAL(params,8);
889 file_attributes = IVAL(params,20);
890 share_access = IVAL(params,24);
891 create_disposition = IVAL(params,28);
892 create_options = IVAL(params,32);
893 sd_len = IVAL(params,36);
894 ea_len = IVAL(params,40);
895 root_dir_fid = (uint16)IVAL(params,4);
896 allocation_size = (uint64_t)IVAL(params,12);
897 #ifdef LARGE_SMB_OFF_T
898 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
902 * we need to remove ignored bits when they come directly from the client
903 * because we reuse some of them for internal stuff
905 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
907 /* Ensure the data_len is correct for the sd and ea values given. */
908 if ((ea_len + sd_len > data_count)
909 || (ea_len > data_count) || (sd_len > data_count)
910 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
911 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
912 "%u, data_count = %u\n", (unsigned int)ea_len,
913 (unsigned int)sd_len, (unsigned int)data_count));
914 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
919 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
922 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
924 if (!NT_STATUS_IS_OK(status)) {
925 DEBUG(10, ("call_nt_transact_create: "
926 "unmarshall_sec_desc failed: %s\n",
928 reply_nterror(req, status);
934 if (!lp_ea_support(SNUM(conn))) {
935 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
936 "EA's not supported.\n",
937 (unsigned int)ea_len));
938 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
943 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
944 "too small (should be more than 10)\n",
945 (unsigned int)ea_len ));
946 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
950 /* We have already checked that ea_len <= data_count here. */
951 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
953 if (ea_list == NULL) {
954 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
959 srvstr_get_path(ctx, params, req->flags2, &fname,
960 params+53, parameter_count-53,
961 STR_TERMINATE, &status);
962 if (!NT_STATUS_IS_OK(status)) {
963 reply_nterror(req, status);
967 status = filename_convert(ctx,
969 req->flags2 & FLAGS2_DFS_PATHNAMES,
974 if (!NT_STATUS_IS_OK(status)) {
975 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
977 NT_STATUS_PATH_NOT_COVERED,
981 reply_nterror(req, status);
985 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
986 if (oplock_request) {
987 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
991 status = SMB_VFS_CREATE_FILE(
994 root_dir_fid, /* root_dir_fid */
995 smb_fname, /* fname */
996 access_mask, /* access_mask */
997 share_access, /* share_access */
998 create_disposition, /* create_disposition*/
999 create_options, /* create_options */
1000 file_attributes, /* file_attributes */
1001 oplock_request, /* oplock_request */
1002 allocation_size, /* allocation_size */
1004 ea_list, /* ea_list */
1008 if(!NT_STATUS_IS_OK(status)) {
1009 if (open_was_deferred(req->mid)) {
1010 /* We have re-scheduled this call, no error. */
1013 reply_openerror(req, status);
1018 * If the caller set the extended oplock request bit
1019 * and we granted one (by whatever means) - set the
1020 * correct bit for extended oplock reply.
1023 if (oplock_request &&
1024 (lp_fake_oplocks(SNUM(conn))
1025 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1028 * Exclusive oplock granted
1031 if (flags & REQUEST_BATCH_OPLOCK) {
1032 oplock_granted = BATCH_OPLOCK_RETURN;
1034 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1036 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1037 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1039 oplock_granted = NO_OPLOCK_RETURN;
1042 file_len = smb_fname->st.st_ex_size;
1043 fattr = dos_mode(conn, smb_fname);
1045 fattr = FILE_ATTRIBUTE_NORMAL;
1048 /* Realloc the size of parameters and data we will return */
1049 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1050 /* Extended response is 32 more byyes. */
1055 params = nttrans_realloc(ppparams, param_len);
1056 if(params == NULL) {
1057 reply_doserror(req, ERRDOS, ERRnomem);
1062 SCVAL(p, 0, oplock_granted);
1065 SSVAL(p,0,fsp->fnum);
1067 if ((create_disposition == FILE_SUPERSEDE)
1068 && (info == FILE_WAS_OVERWRITTEN)) {
1069 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1075 /* Deal with other possible opens having a modified
1077 ZERO_STRUCT(write_time_ts);
1078 get_file_infos(fsp->file_id, NULL, &write_time_ts);
1079 if (!null_timespec(write_time_ts)) {
1080 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1084 c_timespec = smb_fname->st.st_ex_btime;
1085 a_timespec = smb_fname->st.st_ex_atime;
1086 m_timespec = smb_fname->st.st_ex_mtime;
1088 if (lp_dos_filetime_resolution(SNUM(conn))) {
1089 dos_filetime_timespec(&c_timespec);
1090 dos_filetime_timespec(&a_timespec);
1091 dos_filetime_timespec(&m_timespec);
1094 put_long_date_timespec(p, c_timespec); /* create time. */
1096 put_long_date_timespec(p, a_timespec); /* access time */
1098 put_long_date_timespec(p, m_timespec); /* write time */
1100 put_long_date_timespec(p, m_timespec); /* change time */
1102 SIVAL(p,0,fattr); /* File Attributes. */
1104 SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1106 SOFF_T(p,0,file_len);
1108 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1112 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1114 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1117 if (fsp->is_directory ||
1118 can_write_to_file(conn, smb_fname)) {
1119 perms = FILE_GENERIC_ALL;
1121 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1126 DEBUG(5,("call_nt_transact_create: open name = %s\n",
1127 smb_fname_str_dbg(smb_fname)));
1129 /* Send the required number of replies */
1130 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1132 TALLOC_FREE(smb_fname);
1136 /****************************************************************************
1137 Reply to a NT CANCEL request.
1138 conn POINTER CAN BE NULL HERE !
1139 ****************************************************************************/
1141 void reply_ntcancel(struct smb_request *req)
1144 * Go through and cancel any pending change notifies.
1147 START_PROFILE(SMBntcancel);
1148 srv_cancel_sign_response(smbd_server_conn);
1149 remove_pending_change_notify_requests_by_mid(req->mid);
1150 remove_pending_lock_requests_by_mid(req->mid);
1152 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1154 END_PROFILE(SMBntcancel);
1158 /****************************************************************************
1160 ****************************************************************************/
1162 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1163 connection_struct *conn,
1164 struct smb_request *req,
1165 struct smb_filename *smb_fname_src,
1166 struct smb_filename *smb_fname_dst,
1169 files_struct *fsp1,*fsp2;
1173 NTSTATUS status = NT_STATUS_OK;
1176 if (!CAN_WRITE(conn)) {
1177 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1181 /* Source must already exist. */
1182 if (!VALID_STAT(smb_fname_src->st)) {
1183 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1187 /* Ensure attributes match. */
1188 fattr = dos_mode(conn, smb_fname_src);
1189 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1190 status = NT_STATUS_NO_SUCH_FILE;
1194 /* Disallow if dst file already exists. */
1195 if (VALID_STAT(smb_fname_dst->st)) {
1196 status = NT_STATUS_OBJECT_NAME_COLLISION;
1200 /* No links from a directory. */
1201 if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1202 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1206 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1207 smb_fname_str_dbg(smb_fname_src),
1208 smb_fname_str_dbg(smb_fname_dst)));
1210 status = SMB_VFS_CREATE_FILE(
1213 0, /* root_dir_fid */
1214 smb_fname_src, /* fname */
1215 FILE_READ_DATA, /* access_mask */
1216 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1218 FILE_OPEN, /* create_disposition*/
1219 0, /* create_options */
1220 FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1221 NO_OPLOCK, /* oplock_request */
1222 0, /* allocation_size */
1228 if (!NT_STATUS_IS_OK(status)) {
1232 status = SMB_VFS_CREATE_FILE(
1235 0, /* root_dir_fid */
1236 smb_fname_dst, /* fname */
1237 FILE_WRITE_DATA, /* access_mask */
1238 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1240 FILE_CREATE, /* create_disposition*/
1241 0, /* create_options */
1242 fattr, /* file_attributes */
1243 NO_OPLOCK, /* oplock_request */
1244 0, /* allocation_size */
1250 if (!NT_STATUS_IS_OK(status)) {
1251 close_file(NULL, fsp1, ERROR_CLOSE);
1255 if (smb_fname_src->st.st_ex_size) {
1256 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1260 * As we are opening fsp1 read-only we only expect
1261 * an error on close on fsp2 if we are out of space.
1262 * Thus we don't look at the error return from the
1265 close_file(NULL, fsp1, NORMAL_CLOSE);
1267 /* Ensure the modtime is set correctly on the destination file. */
1268 set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1270 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1272 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1273 creates the file. This isn't the correct thing to do in the copy
1275 if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1277 status = NT_STATUS_NO_MEMORY;
1280 file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1281 TALLOC_FREE(parent);
1283 if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1284 status = NT_STATUS_DISK_FULL;
1288 if (!NT_STATUS_IS_OK(status)) {
1289 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1290 nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1291 smb_fname_str_dbg(smb_fname_dst)));
1297 /****************************************************************************
1298 Reply to a NT rename request.
1299 ****************************************************************************/
1301 void reply_ntrename(struct smb_request *req)
1303 connection_struct *conn = req->conn;
1304 struct smb_filename *smb_fname_old = NULL;
1305 struct smb_filename *smb_fname_new = NULL;
1306 char *oldname = NULL;
1307 char *newname = NULL;
1310 bool src_has_wcard = False;
1311 bool dest_has_wcard = False;
1314 TALLOC_CTX *ctx = talloc_tos();
1316 START_PROFILE(SMBntrename);
1319 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1320 END_PROFILE(SMBntrename);
1324 attrs = SVAL(req->vwv+0, 0);
1325 rename_type = SVAL(req->vwv+1, 0);
1327 p = (const char *)req->buf + 1;
1328 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1329 &status, &src_has_wcard);
1330 if (!NT_STATUS_IS_OK(status)) {
1331 reply_nterror(req, status);
1332 END_PROFILE(SMBntrename);
1336 if (ms_has_wild(oldname)) {
1337 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1338 END_PROFILE(SMBntrename);
1343 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1344 &status, &dest_has_wcard);
1345 if (!NT_STATUS_IS_OK(status)) {
1346 reply_nterror(req, status);
1347 END_PROFILE(SMBntrename);
1351 status = filename_convert(ctx, conn,
1352 req->flags2 & FLAGS2_DFS_PATHNAMES,
1356 if (!NT_STATUS_IS_OK(status)) {
1357 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1358 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1359 ERRSRV, ERRbadpath);
1360 END_PROFILE(SMBntrename);
1363 reply_nterror(req, status);
1364 END_PROFILE(SMBntrename);
1368 status = filename_convert(ctx, conn,
1369 req->flags2 & FLAGS2_DFS_PATHNAMES,
1373 if (!NT_STATUS_IS_OK(status)) {
1374 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1375 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1376 ERRSRV, ERRbadpath);
1377 END_PROFILE(SMBntrename);
1380 reply_nterror(req, status);
1381 END_PROFILE(SMBntrename);
1385 /* The new name must begin with a ':' if the old name is a stream. */
1386 if (is_ntfs_stream_smb_fname(smb_fname_old) && (newname[0] != ':')) {
1387 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1388 END_PROFILE(SMBntrename);
1392 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1394 switch(rename_type) {
1395 case RENAME_FLAG_RENAME:
1396 status = rename_internals(ctx, conn, req, oldname,
1397 newname, attrs, False, src_has_wcard,
1398 dest_has_wcard, DELETE_ACCESS);
1400 case RENAME_FLAG_HARD_LINK:
1401 if (src_has_wcard || dest_has_wcard) {
1403 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1405 status = hardlink_internals(ctx,
1411 case RENAME_FLAG_COPY:
1412 if (src_has_wcard || dest_has_wcard) {
1414 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1416 status = copy_internals(ctx, conn, req,
1422 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1423 status = NT_STATUS_INVALID_PARAMETER;
1426 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1430 if (!NT_STATUS_IS_OK(status)) {
1431 if (open_was_deferred(req->mid)) {
1432 /* We have re-scheduled this call. */
1433 END_PROFILE(SMBntrename);
1437 reply_nterror(req, status);
1438 END_PROFILE(SMBntrename);
1442 reply_outbuf(req, 0, 0);
1444 END_PROFILE(SMBntrename);
1448 /****************************************************************************
1449 Reply to a notify change - queue the request and
1450 don't allow a directory to be opened.
1451 ****************************************************************************/
1453 static void smbd_smb1_notify_reply(struct smb_request *req,
1454 NTSTATUS error_code,
1455 uint8_t *buf, size_t len)
1457 send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1460 static void call_nt_transact_notify_change(connection_struct *conn,
1461 struct smb_request *req,
1465 uint32 parameter_count,
1466 char **ppdata, uint32 data_count,
1467 uint32 max_data_count,
1468 uint32 max_param_count)
1470 uint16 *setup = *ppsetup;
1476 if(setup_count < 6) {
1477 reply_doserror(req, ERRDOS, ERRbadfunc);
1481 fsp = file_fsp(req, SVAL(setup,4));
1482 filter = IVAL(setup, 0);
1483 recursive = (SVAL(setup, 6) != 0) ? True : False;
1485 DEBUG(3,("call_nt_transact_notify_change\n"));
1488 reply_doserror(req, ERRDOS, ERRbadfid);
1493 char *filter_string;
1495 if (!(filter_string = notify_filter_string(NULL, filter))) {
1496 reply_nterror(req,NT_STATUS_NO_MEMORY);
1500 DEBUG(3,("call_nt_transact_notify_change: notify change "
1501 "called on %s, filter = %s, recursive = %d\n",
1502 fsp_str_dbg(fsp), filter_string, recursive));
1504 TALLOC_FREE(filter_string);
1507 if((!fsp->is_directory) || (conn != fsp->conn)) {
1508 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1512 if (fsp->notify == NULL) {
1514 status = change_notify_create(fsp, filter, recursive);
1516 if (!NT_STATUS_IS_OK(status)) {
1517 DEBUG(10, ("change_notify_create returned %s\n",
1518 nt_errstr(status)));
1519 reply_nterror(req, status);
1524 if (fsp->notify->num_changes != 0) {
1527 * We've got changes pending, respond immediately
1531 * TODO: write a torture test to check the filtering behaviour
1535 change_notify_reply(fsp->conn, req,
1539 smbd_smb1_notify_reply);
1542 * change_notify_reply() above has independently sent its
1549 * No changes pending, queue the request
1552 status = change_notify_add_request(req,
1556 smbd_smb1_notify_reply);
1557 if (!NT_STATUS_IS_OK(status)) {
1558 reply_nterror(req, status);
1563 /****************************************************************************
1564 Reply to an NT transact rename command.
1565 ****************************************************************************/
1567 static void call_nt_transact_rename(connection_struct *conn,
1568 struct smb_request *req,
1569 uint16 **ppsetup, uint32 setup_count,
1570 char **ppparams, uint32 parameter_count,
1571 char **ppdata, uint32 data_count,
1572 uint32 max_data_count)
1574 char *params = *ppparams;
1575 char *new_name = NULL;
1576 files_struct *fsp = NULL;
1577 bool dest_has_wcard = False;
1579 TALLOC_CTX *ctx = talloc_tos();
1581 if(parameter_count < 5) {
1582 reply_doserror(req, ERRDOS, ERRbadfunc);
1586 fsp = file_fsp(req, SVAL(params, 0));
1587 if (!check_fsp(conn, req, fsp)) {
1590 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1591 parameter_count - 4,
1592 STR_TERMINATE, &status, &dest_has_wcard);
1593 if (!NT_STATUS_IS_OK(status)) {
1594 reply_nterror(req, status);
1599 * W2K3 ignores this request as the RAW-RENAME test
1600 * demonstrates, so we do.
1602 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1604 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1605 fsp_str_dbg(fsp), new_name));
1610 /******************************************************************************
1611 Fake up a completely empty SD.
1612 *******************************************************************************/
1614 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1618 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1620 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1621 return NT_STATUS_NO_MEMORY;
1624 return NT_STATUS_OK;
1627 /****************************************************************************
1628 Reply to query a security descriptor.
1629 ****************************************************************************/
1631 static void call_nt_transact_query_security_desc(connection_struct *conn,
1632 struct smb_request *req,
1636 uint32 parameter_count,
1639 uint32 max_data_count)
1641 char *params = *ppparams;
1642 char *data = *ppdata;
1643 SEC_DESC *psd = NULL;
1645 uint32 security_info_wanted;
1646 files_struct *fsp = NULL;
1650 if(parameter_count < 8) {
1651 reply_doserror(req, ERRDOS, ERRbadfunc);
1655 fsp = file_fsp(req, SVAL(params,0));
1657 reply_doserror(req, ERRDOS, ERRbadfid);
1661 security_info_wanted = IVAL(params,4);
1663 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1664 "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1665 (unsigned int)security_info_wanted));
1667 params = nttrans_realloc(ppparams, 4);
1668 if(params == NULL) {
1669 reply_doserror(req, ERRDOS, ERRnomem);
1674 * Get the permissions to return.
1677 if (!lp_nt_acl_support(SNUM(conn))) {
1678 status = get_null_nt_acl(talloc_tos(), &psd);
1680 status = SMB_VFS_FGET_NT_ACL(
1681 fsp, security_info_wanted, &psd);
1683 if (!NT_STATUS_IS_OK(status)) {
1684 reply_nterror(req, status);
1688 /* If the SACL/DACL is NULL, but was requested, we mark that it is
1689 * present in the reply to match Windows behavior */
1690 if (psd->sacl == NULL &&
1691 security_info_wanted & SACL_SECURITY_INFORMATION)
1692 psd->type |= SEC_DESC_SACL_PRESENT;
1693 if (psd->dacl == NULL &&
1694 security_info_wanted & DACL_SECURITY_INFORMATION)
1695 psd->type |= SEC_DESC_DACL_PRESENT;
1697 sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1699 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1701 if (DEBUGLEVEL >= 10) {
1702 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1704 NDR_PRINT_DEBUG(security_descriptor, psd);
1707 SIVAL(params,0,(uint32)sd_size);
1709 if (max_data_count < sd_size) {
1710 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1711 params, 4, *ppdata, 0);
1716 * Allocate the data we will point this at.
1719 data = nttrans_realloc(ppdata, sd_size);
1721 reply_doserror(req, ERRDOS, ERRnomem);
1725 status = marshall_sec_desc(talloc_tos(), psd,
1726 &blob.data, &blob.length);
1728 if (!NT_STATUS_IS_OK(status)) {
1729 reply_nterror(req, status);
1733 SMB_ASSERT(sd_size == blob.length);
1734 memcpy(data, blob.data, sd_size);
1736 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1741 /****************************************************************************
1742 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1743 ****************************************************************************/
1745 static void call_nt_transact_set_security_desc(connection_struct *conn,
1746 struct smb_request *req,
1750 uint32 parameter_count,
1753 uint32 max_data_count)
1755 char *params= *ppparams;
1756 char *data = *ppdata;
1757 files_struct *fsp = NULL;
1758 uint32 security_info_sent = 0;
1761 if(parameter_count < 8) {
1762 reply_doserror(req, ERRDOS, ERRbadfunc);
1766 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1767 reply_doserror(req, ERRDOS, ERRbadfid);
1771 if(!lp_nt_acl_support(SNUM(conn))) {
1775 security_info_sent = IVAL(params,4);
1777 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1778 fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1780 if (data_count == 0) {
1781 reply_doserror(req, ERRDOS, ERRnoaccess);
1785 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1787 if (!NT_STATUS_IS_OK(status)) {
1788 reply_nterror(req, status);
1793 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1797 /****************************************************************************
1799 ****************************************************************************/
1801 static void call_nt_transact_ioctl(connection_struct *conn,
1802 struct smb_request *req,
1803 uint16 **ppsetup, uint32 setup_count,
1804 char **ppparams, uint32 parameter_count,
1805 char **ppdata, uint32 data_count,
1806 uint32 max_data_count)
1813 char *pdata = *ppdata;
1815 if (setup_count != 8) {
1816 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1817 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1821 function = IVAL(*ppsetup, 0);
1822 fidnum = SVAL(*ppsetup, 4);
1823 isFSctl = CVAL(*ppsetup, 6);
1824 compfilter = CVAL(*ppsetup, 7);
1826 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1827 function, fidnum, isFSctl, compfilter));
1829 fsp=file_fsp(req, fidnum);
1830 /* this check is done in each implemented function case for now
1831 because I don't want to break anything... --metze
1832 FSP_BELONGS_CONN(fsp,conn);*/
1834 SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1837 case FSCTL_SET_SPARSE:
1838 /* pretend this succeeded - tho strictly we should
1839 mark the file sparse (if the local fs supports it)
1840 so we can know if we need to pre-allocate or not */
1842 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1843 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1846 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1848 unsigned char objid[16];
1850 /* This should return the object-id on this file.
1851 * I think I'll make this be the inode+dev. JRA.
1854 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1856 if (!fsp_belongs_conn(conn, req, fsp)) {
1861 pdata = nttrans_realloc(ppdata, data_count);
1862 if (pdata == NULL) {
1863 reply_nterror(req, NT_STATUS_NO_MEMORY);
1867 /* For backwards compatibility only store the dev/inode. */
1868 push_file_id_16(pdata, &fsp->file_id);
1869 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1870 push_file_id_16(pdata+32, &fsp->file_id);
1871 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1876 case FSCTL_GET_REPARSE_POINT:
1877 /* pretend this fail - my winXP does it like this
1881 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1882 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1885 case FSCTL_SET_REPARSE_POINT:
1886 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1890 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1891 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1894 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1897 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1898 * and return their volume names. If max_data_count is 16, then it is just
1899 * asking for the number of volumes and length of the combined names.
1901 * pdata is the data allocated by our caller, but that uses
1902 * total_data_count (which is 0 in our case) rather than max_data_count.
1903 * Allocate the correct amount and return the pointer to let
1904 * it be deallocated when we return.
1906 SHADOW_COPY_DATA *shadow_data = NULL;
1907 TALLOC_CTX *shadow_mem_ctx = NULL;
1908 bool labels = False;
1909 uint32 labels_data_count = 0;
1913 if (!fsp_belongs_conn(conn, req, fsp)) {
1917 if (max_data_count < 16) {
1918 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1920 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1924 if (max_data_count > 16) {
1928 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1929 if (shadow_mem_ctx == NULL) {
1930 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1931 reply_nterror(req, NT_STATUS_NO_MEMORY);
1935 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1936 if (shadow_data == NULL) {
1937 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1938 talloc_destroy(shadow_mem_ctx);
1939 reply_nterror(req, NT_STATUS_NO_MEMORY);
1943 shadow_data->mem_ctx = shadow_mem_ctx;
1946 * Call the VFS routine to actually do the work.
1948 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1949 talloc_destroy(shadow_data->mem_ctx);
1950 if (errno == ENOSYS) {
1951 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1952 conn->connectpath));
1953 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1956 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1957 conn->connectpath));
1958 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1963 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1968 data_count = 12+labels_data_count+4;
1971 if (max_data_count<data_count) {
1972 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1973 max_data_count,data_count));
1974 talloc_destroy(shadow_data->mem_ctx);
1975 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1979 pdata = nttrans_realloc(ppdata, data_count);
1980 if (pdata == NULL) {
1981 talloc_destroy(shadow_data->mem_ctx);
1982 reply_nterror(req, NT_STATUS_NO_MEMORY);
1988 /* num_volumes 4 bytes */
1989 SIVAL(pdata,0,shadow_data->num_volumes);
1992 /* num_labels 4 bytes */
1993 SIVAL(pdata,4,shadow_data->num_volumes);
1996 /* needed_data_count 4 bytes */
1997 SIVAL(pdata,8,labels_data_count);
2001 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2002 shadow_data->num_volumes, fsp_str_dbg(fsp)));
2003 if (labels && shadow_data->labels) {
2004 for (i=0;i<shadow_data->num_volumes;i++) {
2005 srvstr_push(pdata, req->flags2,
2006 cur_pdata, shadow_data->labels[i],
2007 2*sizeof(SHADOW_COPY_LABEL),
2008 STR_UNICODE|STR_TERMINATE);
2009 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2010 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2014 talloc_destroy(shadow_data->mem_ctx);
2016 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2022 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2024 /* pretend this succeeded -
2026 * we have to send back a list with all files owned by this SID
2028 * but I have to check that --metze
2032 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2034 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2036 if (!fsp_belongs_conn(conn, req, fsp)) {
2040 /* unknown 4 bytes: this is not the length of the sid :-( */
2041 /*unknown = IVAL(pdata,0);*/
2043 sid_parse(pdata+4,sid_len,&sid);
2044 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2046 if (!sid_to_uid(&sid, &uid)) {
2047 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2048 sid_string_dbg(&sid),
2049 (unsigned long)sid_len));
2053 /* we can take a look at the find source :-)
2055 * find ./ -uid $uid -name '*' is what we need here
2058 * and send 4bytes len and then NULL terminated unicode strings
2061 * but I don't know how to deal with the paged results
2062 * (maybe we can hang the result anywhere in the fsp struct)
2064 * we don't send all files at once
2065 * and at the next we should *not* start from the beginning,
2066 * so we have to cache the result
2071 /* this works for now... */
2072 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2076 if (!logged_ioctl_message) {
2077 logged_ioctl_message = true; /* Only print this once... */
2078 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2083 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2087 #ifdef HAVE_SYS_QUOTAS
2088 /****************************************************************************
2089 Reply to get user quota
2090 ****************************************************************************/
2092 static void call_nt_transact_get_user_quota(connection_struct *conn,
2093 struct smb_request *req,
2097 uint32 parameter_count,
2100 uint32 max_data_count)
2102 NTSTATUS nt_status = NT_STATUS_OK;
2103 char *params = *ppparams;
2104 char *pdata = *ppdata;
2106 int data_len=0,param_len=0;
2109 files_struct *fsp = NULL;
2113 bool start_enum = True;
2114 SMB_NTQUOTA_STRUCT qt;
2115 SMB_NTQUOTA_LIST *tmp_list;
2116 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2121 if (conn->server_info->utok.uid != 0) {
2122 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2123 "[%s]\n", lp_servicename(SNUM(conn)),
2124 conn->server_info->unix_name));
2125 reply_doserror(req, ERRDOS, ERRnoaccess);
2130 * Ensure minimum number of parameters sent.
2133 if (parameter_count < 4) {
2134 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2135 reply_doserror(req, ERRDOS, ERRinvalidparam);
2139 /* maybe we can check the quota_fnum */
2140 fsp = file_fsp(req, SVAL(params,0));
2141 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2142 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2143 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2147 /* the NULL pointer checking for fsp->fake_file_handle->pd
2148 * is done by CHECK_NTQUOTA_HANDLE_OK()
2150 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2152 level = SVAL(params,2);
2154 /* unknown 12 bytes leading in params */
2157 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2158 /* seems that we should continue with the enum here --metze */
2160 if (qt_handle->quota_list!=NULL &&
2161 qt_handle->tmp_list==NULL) {
2164 free_ntquota_list(&(qt_handle->quota_list));
2166 /* Realloc the size of parameters and data we will return */
2168 params = nttrans_realloc(ppparams, param_len);
2169 if(params == NULL) {
2170 reply_doserror(req, ERRDOS, ERRnomem);
2175 SIVAL(params,0,data_len);
2182 case TRANSACT_GET_USER_QUOTA_LIST_START:
2184 if (qt_handle->quota_list==NULL &&
2185 qt_handle->tmp_list==NULL) {
2189 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2190 reply_doserror(req, ERRSRV, ERRerror);
2194 /* Realloc the size of parameters and data we will return */
2196 params = nttrans_realloc(ppparams, param_len);
2197 if(params == NULL) {
2198 reply_doserror(req, ERRDOS, ERRnomem);
2202 /* we should not trust the value in max_data_count*/
2203 max_data_count = MIN(max_data_count,2048);
2205 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2207 reply_doserror(req, ERRDOS, ERRnomem);
2213 /* set params Size of returned Quota Data 4 bytes*/
2214 /* but set it later when we know it */
2216 /* for each entry push the data */
2219 qt_handle->tmp_list = qt_handle->quota_list;
2222 tmp_list = qt_handle->tmp_list;
2224 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2225 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2227 sid_len = ndr_size_dom_sid(
2228 &tmp_list->quotas->sid, NULL, 0);
2229 entry_len = 40 + sid_len;
2231 /* nextoffset entry 4 bytes */
2232 SIVAL(entry,0,entry_len);
2234 /* then the len of the SID 4 bytes */
2235 SIVAL(entry,4,sid_len);
2237 /* unknown data 8 bytes uint64_t */
2238 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2240 /* the used disk space 8 bytes uint64_t */
2241 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2243 /* the soft quotas 8 bytes uint64_t */
2244 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2246 /* the hard quotas 8 bytes uint64_t */
2247 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2249 /* and now the SID */
2250 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2253 qt_handle->tmp_list = tmp_list;
2255 /* overwrite the offset of the last entry */
2256 SIVAL(entry-entry_len,0,0);
2258 data_len = 4+qt_len;
2259 /* overwrite the params quota_data_len */
2260 SIVAL(params,0,data_len);
2264 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2266 /* unknown 4 bytes IVAL(pdata,0) */
2268 if (data_count < 8) {
2269 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2270 reply_doserror(req, ERRDOS, ERRunknownlevel);
2274 sid_len = IVAL(pdata,4);
2275 /* Ensure this is less than 1mb. */
2276 if (sid_len > (1024*1024)) {
2277 reply_doserror(req, ERRDOS, ERRnomem);
2281 if (data_count < 8+sid_len) {
2282 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2283 reply_doserror(req, ERRDOS, ERRunknownlevel);
2287 data_len = 4+40+sid_len;
2289 if (max_data_count < data_len) {
2290 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2291 max_data_count, data_len));
2293 SIVAL(params,0,data_len);
2295 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2299 sid_parse(pdata+8,sid_len,&sid);
2301 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2304 * we have to return zero's in all fields
2305 * instead of returning an error here
2310 /* Realloc the size of parameters and data we will return */
2312 params = nttrans_realloc(ppparams, param_len);
2313 if(params == NULL) {
2314 reply_doserror(req, ERRDOS, ERRnomem);
2318 pdata = nttrans_realloc(ppdata, data_len);
2320 reply_doserror(req, ERRDOS, ERRnomem);
2326 /* set params Size of returned Quota Data 4 bytes*/
2327 SIVAL(params,0,data_len);
2329 /* nextoffset entry 4 bytes */
2332 /* then the len of the SID 4 bytes */
2333 SIVAL(entry,4,sid_len);
2335 /* unknown data 8 bytes uint64_t */
2336 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2338 /* the used disk space 8 bytes uint64_t */
2339 SBIG_UINT(entry,16,qt.usedspace);
2341 /* the soft quotas 8 bytes uint64_t */
2342 SBIG_UINT(entry,24,qt.softlim);
2344 /* the hard quotas 8 bytes uint64_t */
2345 SBIG_UINT(entry,32,qt.hardlim);
2347 /* and now the SID */
2348 sid_linearize(entry+40, sid_len, &sid);
2353 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2354 reply_doserror(req, ERRSRV, ERRerror);
2359 send_nt_replies(conn, req, nt_status, params, param_len,
2363 /****************************************************************************
2364 Reply to set user quota
2365 ****************************************************************************/
2367 static void call_nt_transact_set_user_quota(connection_struct *conn,
2368 struct smb_request *req,
2372 uint32 parameter_count,
2375 uint32 max_data_count)
2377 char *params = *ppparams;
2378 char *pdata = *ppdata;
2379 int data_len=0,param_len=0;
2380 SMB_NTQUOTA_STRUCT qt;
2383 files_struct *fsp = NULL;
2388 if (conn->server_info->utok.uid != 0) {
2389 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2390 "[%s]\n", lp_servicename(SNUM(conn)),
2391 conn->server_info->unix_name));
2392 reply_doserror(req, ERRDOS, ERRnoaccess);
2397 * Ensure minimum number of parameters sent.
2400 if (parameter_count < 2) {
2401 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2402 reply_doserror(req, ERRDOS, ERRinvalidparam);
2406 /* maybe we can check the quota_fnum */
2407 fsp = file_fsp(req, SVAL(params,0));
2408 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2409 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2410 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2414 if (data_count < 40) {
2415 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2416 reply_doserror(req, ERRDOS, ERRunknownlevel);
2420 /* offset to next quota record.
2421 * 4 bytes IVAL(pdata,0)
2426 sid_len = IVAL(pdata,4);
2428 if (data_count < 40+sid_len) {
2429 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2430 reply_doserror(req, ERRDOS, ERRunknownlevel);
2434 /* unknown 8 bytes in pdata
2435 * maybe its the change time in NTTIME
2438 /* the used space 8 bytes (uint64_t)*/
2439 qt.usedspace = (uint64_t)IVAL(pdata,16);
2440 #ifdef LARGE_SMB_OFF_T
2441 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2442 #else /* LARGE_SMB_OFF_T */
2443 if ((IVAL(pdata,20) != 0)&&
2444 ((qt.usedspace != 0xFFFFFFFF)||
2445 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2446 /* more than 32 bits? */
2447 reply_doserror(req, ERRDOS, ERRunknownlevel);
2450 #endif /* LARGE_SMB_OFF_T */
2452 /* the soft quotas 8 bytes (uint64_t)*/
2453 qt.softlim = (uint64_t)IVAL(pdata,24);
2454 #ifdef LARGE_SMB_OFF_T
2455 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2456 #else /* LARGE_SMB_OFF_T */
2457 if ((IVAL(pdata,28) != 0)&&
2458 ((qt.softlim != 0xFFFFFFFF)||
2459 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2460 /* more than 32 bits? */
2461 reply_doserror(req, ERRDOS, ERRunknownlevel);
2464 #endif /* LARGE_SMB_OFF_T */
2466 /* the hard quotas 8 bytes (uint64_t)*/
2467 qt.hardlim = (uint64_t)IVAL(pdata,32);
2468 #ifdef LARGE_SMB_OFF_T
2469 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2470 #else /* LARGE_SMB_OFF_T */
2471 if ((IVAL(pdata,36) != 0)&&
2472 ((qt.hardlim != 0xFFFFFFFF)||
2473 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2474 /* more than 32 bits? */
2475 reply_doserror(req, ERRDOS, ERRunknownlevel);
2478 #endif /* LARGE_SMB_OFF_T */
2480 sid_parse(pdata+40,sid_len,&sid);
2481 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2483 /* 44 unknown bytes left... */
2485 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2486 reply_doserror(req, ERRSRV, ERRerror);
2490 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2493 #endif /* HAVE_SYS_QUOTAS */
2495 static void handle_nttrans(connection_struct *conn,
2496 struct trans_state *state,
2497 struct smb_request *req)
2499 if (Protocol >= PROTOCOL_NT1) {
2500 req->flags2 |= 0x40; /* IS_LONG_NAME */
2501 SSVAL(req->inbuf,smb_flg2,req->flags2);
2505 SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2507 /* Now we must call the relevant NT_TRANS function */
2508 switch(state->call) {
2509 case NT_TRANSACT_CREATE:
2511 START_PROFILE(NT_transact_create);
2512 call_nt_transact_create(
2514 &state->setup, state->setup_count,
2515 &state->param, state->total_param,
2516 &state->data, state->total_data,
2517 state->max_data_return);
2518 END_PROFILE(NT_transact_create);
2522 case NT_TRANSACT_IOCTL:
2524 START_PROFILE(NT_transact_ioctl);
2525 call_nt_transact_ioctl(
2527 &state->setup, state->setup_count,
2528 &state->param, state->total_param,
2529 &state->data, state->total_data,
2530 state->max_data_return);
2531 END_PROFILE(NT_transact_ioctl);
2535 case NT_TRANSACT_SET_SECURITY_DESC:
2537 START_PROFILE(NT_transact_set_security_desc);
2538 call_nt_transact_set_security_desc(
2540 &state->setup, state->setup_count,
2541 &state->param, state->total_param,
2542 &state->data, state->total_data,
2543 state->max_data_return);
2544 END_PROFILE(NT_transact_set_security_desc);
2548 case NT_TRANSACT_NOTIFY_CHANGE:
2550 START_PROFILE(NT_transact_notify_change);
2551 call_nt_transact_notify_change(
2553 &state->setup, state->setup_count,
2554 &state->param, state->total_param,
2555 &state->data, state->total_data,
2556 state->max_data_return,
2557 state->max_param_return);
2558 END_PROFILE(NT_transact_notify_change);
2562 case NT_TRANSACT_RENAME:
2564 START_PROFILE(NT_transact_rename);
2565 call_nt_transact_rename(
2567 &state->setup, state->setup_count,
2568 &state->param, state->total_param,
2569 &state->data, state->total_data,
2570 state->max_data_return);
2571 END_PROFILE(NT_transact_rename);
2575 case NT_TRANSACT_QUERY_SECURITY_DESC:
2577 START_PROFILE(NT_transact_query_security_desc);
2578 call_nt_transact_query_security_desc(
2580 &state->setup, state->setup_count,
2581 &state->param, state->total_param,
2582 &state->data, state->total_data,
2583 state->max_data_return);
2584 END_PROFILE(NT_transact_query_security_desc);
2588 #ifdef HAVE_SYS_QUOTAS
2589 case NT_TRANSACT_GET_USER_QUOTA:
2591 START_PROFILE(NT_transact_get_user_quota);
2592 call_nt_transact_get_user_quota(
2594 &state->setup, state->setup_count,
2595 &state->param, state->total_param,
2596 &state->data, state->total_data,
2597 state->max_data_return);
2598 END_PROFILE(NT_transact_get_user_quota);
2602 case NT_TRANSACT_SET_USER_QUOTA:
2604 START_PROFILE(NT_transact_set_user_quota);
2605 call_nt_transact_set_user_quota(
2607 &state->setup, state->setup_count,
2608 &state->param, state->total_param,
2609 &state->data, state->total_data,
2610 state->max_data_return);
2611 END_PROFILE(NT_transact_set_user_quota);
2614 #endif /* HAVE_SYS_QUOTAS */
2617 /* Error in request */
2618 DEBUG(0,("handle_nttrans: Unknown request %d in "
2619 "nttrans call\n", state->call));
2620 reply_doserror(req, ERRSRV, ERRerror);
2626 /****************************************************************************
2627 Reply to a SMBNTtrans.
2628 ****************************************************************************/
2630 void reply_nttrans(struct smb_request *req)
2632 connection_struct *conn = req->conn;
2637 uint16 function_code;
2639 struct trans_state *state;
2641 START_PROFILE(SMBnttrans);
2643 if (req->wct < 19) {
2644 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2645 END_PROFILE(SMBnttrans);
2649 pscnt = IVAL(req->vwv+9, 1);
2650 psoff = IVAL(req->vwv+11, 1);
2651 dscnt = IVAL(req->vwv+13, 1);
2652 dsoff = IVAL(req->vwv+15, 1);
2653 function_code = SVAL(req->vwv+18, 0);
2655 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2656 reply_doserror(req, ERRSRV, ERRaccess);
2657 END_PROFILE(SMBnttrans);
2661 result = allow_new_trans(conn->pending_trans, req->mid);
2662 if (!NT_STATUS_IS_OK(result)) {
2663 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2664 reply_nterror(req, result);
2665 END_PROFILE(SMBnttrans);
2669 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2670 reply_doserror(req, ERRSRV, ERRaccess);
2671 END_PROFILE(SMBnttrans);
2675 state->cmd = SMBnttrans;
2677 state->mid = req->mid;
2678 state->vuid = req->vuid;
2679 state->total_data = IVAL(req->vwv+3, 1);
2681 state->total_param = IVAL(req->vwv+1, 1);
2682 state->param = NULL;
2683 state->max_data_return = IVAL(req->vwv+7, 1);
2684 state->max_param_return = IVAL(req->vwv+5, 1);
2686 /* setup count is in *words* */
2687 state->setup_count = 2*CVAL(req->vwv+17, 1);
2688 state->setup = NULL;
2689 state->call = function_code;
2691 DEBUG(10, ("num_setup=%u, "
2692 "param_total=%u, this_param=%u, max_param=%u, "
2693 "data_total=%u, this_data=%u, max_data=%u, "
2694 "param_offset=%u, data_offset=%u\n",
2695 (unsigned)state->setup_count,
2696 (unsigned)state->total_param, (unsigned)pscnt,
2697 (unsigned)state->max_param_return,
2698 (unsigned)state->total_data, (unsigned)dscnt,
2699 (unsigned)state->max_data_return,
2700 (unsigned)psoff, (unsigned)dsoff));
2703 * All nttrans messages we handle have smb_wct == 19 +
2704 * state->setup_count. Ensure this is so as a sanity check.
2707 if(req->wct != 19 + (state->setup_count/2)) {
2708 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2709 req->wct, 19 + (state->setup_count/2)));
2713 /* Don't allow more than 128mb for each value. */
2714 if ((state->total_data > (1024*1024*128)) ||
2715 (state->total_param > (1024*1024*128))) {
2716 reply_doserror(req, ERRDOS, ERRnomem);
2717 END_PROFILE(SMBnttrans);
2721 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2724 if (state->total_data) {
2726 if (trans_oob(state->total_data, 0, dscnt)
2727 || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2731 /* Can't use talloc here, the core routines do realloc on the
2732 * params and data. */
2733 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2734 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2735 "bytes !\n", (unsigned int)state->total_data));
2737 reply_doserror(req, ERRDOS, ERRnomem);
2738 END_PROFILE(SMBnttrans);
2742 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2745 if (state->total_param) {
2747 if (trans_oob(state->total_param, 0, pscnt)
2748 || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2752 /* Can't use talloc here, the core routines do realloc on the
2753 * params and data. */
2754 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2755 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2756 "bytes !\n", (unsigned int)state->total_param));
2757 SAFE_FREE(state->data);
2759 reply_doserror(req, ERRDOS, ERRnomem);
2760 END_PROFILE(SMBnttrans);
2764 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2767 state->received_data = dscnt;
2768 state->received_param = pscnt;
2770 if(state->setup_count > 0) {
2771 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2772 state->setup_count));
2775 * No overflow possible here, state->setup_count is an
2776 * unsigned int, being filled by a single byte from
2777 * CVAL(req->vwv+13, 0) above. The cast in the comparison
2778 * below is not necessary, it's here to clarify things. The
2779 * validity of req->vwv and req->wct has been checked in
2780 * init_smb_request already.
2782 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2786 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2787 if (state->setup == NULL) {
2788 DEBUG(0,("reply_nttrans : Out of memory\n"));
2789 SAFE_FREE(state->data);
2790 SAFE_FREE(state->param);
2792 reply_doserror(req, ERRDOS, ERRnomem);
2793 END_PROFILE(SMBnttrans);
2797 memcpy(state->setup, req->vwv+19, state->setup_count);
2798 dump_data(10, (uint8 *)state->setup, state->setup_count);
2801 if ((state->received_data == state->total_data) &&
2802 (state->received_param == state->total_param)) {
2803 handle_nttrans(conn, state, req);
2804 SAFE_FREE(state->param);
2805 SAFE_FREE(state->data);
2807 END_PROFILE(SMBnttrans);
2811 DLIST_ADD(conn->pending_trans, state);
2813 /* We need to send an interim response then receive the rest
2814 of the parameter/data bytes */
2815 reply_outbuf(req, 0, 0);
2816 show_msg((char *)req->outbuf);
2817 END_PROFILE(SMBnttrans);
2822 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2823 SAFE_FREE(state->data);
2824 SAFE_FREE(state->param);
2826 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2827 END_PROFILE(SMBnttrans);
2831 /****************************************************************************
2832 Reply to a SMBnttranss
2833 ****************************************************************************/
2835 void reply_nttranss(struct smb_request *req)
2837 connection_struct *conn = req->conn;
2838 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2839 struct trans_state *state;
2841 START_PROFILE(SMBnttranss);
2843 show_msg((char *)req->inbuf);
2845 if (req->wct < 18) {
2846 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2847 END_PROFILE(SMBnttranss);
2851 for (state = conn->pending_trans; state != NULL;
2852 state = state->next) {
2853 if (state->mid == req->mid) {
2858 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2859 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2860 END_PROFILE(SMBnttranss);
2864 /* Revise state->total_param and state->total_data in case they have
2865 changed downwards */
2866 if (IVAL(req->vwv+1, 1) < state->total_param) {
2867 state->total_param = IVAL(req->vwv+1, 1);
2869 if (IVAL(req->vwv+3, 1) < state->total_data) {
2870 state->total_data = IVAL(req->vwv+3, 1);
2873 pcnt = IVAL(req->vwv+5, 1);
2874 poff = IVAL(req->vwv+7, 1);
2875 pdisp = IVAL(req->vwv+9, 1);
2877 dcnt = IVAL(req->vwv+11, 1);
2878 doff = IVAL(req->vwv+13, 1);
2879 ddisp = IVAL(req->vwv+15, 1);
2881 state->received_param += pcnt;
2882 state->received_data += dcnt;
2884 if ((state->received_data > state->total_data) ||
2885 (state->received_param > state->total_param))
2889 if (trans_oob(state->total_param, pdisp, pcnt)
2890 || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
2893 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
2897 if (trans_oob(state->total_data, ddisp, dcnt)
2898 || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
2901 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
2904 if ((state->received_param < state->total_param) ||
2905 (state->received_data < state->total_data)) {
2906 END_PROFILE(SMBnttranss);
2910 handle_nttrans(conn, state, req);
2912 DLIST_REMOVE(conn->pending_trans, state);
2913 SAFE_FREE(state->data);
2914 SAFE_FREE(state->param);
2916 END_PROFILE(SMBnttranss);
2921 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2922 DLIST_REMOVE(conn->pending_trans, state);
2923 SAFE_FREE(state->data);
2924 SAFE_FREE(state->param);
2926 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2927 END_PROFILE(SMBnttranss);