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/>.
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;
63 * If there genuinely are no parameters or data to send just send
67 if(params_to_send == 0 && data_to_send == 0) {
68 reply_outbuf(req, 18, 0);
69 show_msg((char *)req->outbuf);
74 * When sending params and data ensure that both are nicely aligned.
75 * Only do this alignment when there is also data to send - else
76 * can cause NT redirector problems.
79 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
80 data_alignment_offset = 4 - (params_to_send % 4);
84 * Space is bufsize minus Netbios over TCP header minus SMB header.
85 * The alignment_offset is to align the param bytes on a four byte
86 * boundary (2 bytes for data len, one byte pad).
87 * NT needs this to work correctly.
90 useable_space = max_send - (smb_size
93 + data_alignment_offset);
95 if (useable_space < 0) {
96 char *msg = talloc_asprintf(
98 "send_nt_replies failed sanity useable_space = %d!!!",
100 DEBUG(0, ("%s\n", msg));
101 exit_server_cleanly(msg);
104 while (params_to_send || data_to_send) {
107 * Calculate whether we will totally or partially fill this packet.
110 total_sent_thistime = params_to_send + data_to_send;
113 * We can never send more than useable_space.
116 total_sent_thistime = MIN(total_sent_thistime, useable_space);
118 reply_outbuf(req, 18,
119 total_sent_thistime + alignment_offset
120 + data_alignment_offset);
123 * We might have had SMBnttranss in req->inbuf, fix that.
125 SCVAL(req->outbuf, smb_com, SMBnttrans);
128 * Set total params and data to be sent.
131 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
132 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
135 * Calculate how many parameters and data we can fit into
136 * this packet. Parameters get precedence.
139 params_sent_thistime = MIN(params_to_send,useable_space);
140 data_sent_thistime = useable_space - params_sent_thistime;
141 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
143 SIVAL(req->outbuf, smb_ntr_ParameterCount,
144 params_sent_thistime);
146 if(params_sent_thistime == 0) {
147 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
148 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
151 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
152 * parameter bytes, however the first 4 bytes of outbuf are
153 * the Netbios over TCP header. Thus use smb_base() to subtract
154 * them from the calculation.
157 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
158 ((smb_buf(req->outbuf)+alignment_offset)
159 - smb_base(req->outbuf)));
161 * Absolute displacement of param bytes sent in this packet.
164 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
169 * Deal with the data portion.
172 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
174 if(data_sent_thistime == 0) {
175 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
176 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
179 * The offset of the data bytes is the offset of the
180 * parameter bytes plus the number of parameters being sent this time.
183 SIVAL(req->outbuf, smb_ntr_DataOffset,
184 ((smb_buf(req->outbuf)+alignment_offset) -
185 smb_base(req->outbuf))
186 + params_sent_thistime + data_alignment_offset);
187 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
191 * Copy the param bytes into the packet.
194 if(params_sent_thistime) {
195 if (alignment_offset != 0) {
196 memset(smb_buf(req->outbuf), 0,
199 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
200 params_sent_thistime);
204 * Copy in the data bytes
207 if(data_sent_thistime) {
208 if (data_alignment_offset != 0) {
209 memset((smb_buf(req->outbuf)+alignment_offset+
210 params_sent_thistime), 0,
211 data_alignment_offset);
213 memcpy(smb_buf(req->outbuf)+alignment_offset
214 +params_sent_thistime+data_alignment_offset,
215 pd,data_sent_thistime);
218 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
219 params_sent_thistime, data_sent_thistime, useable_space));
220 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
221 params_to_send, data_to_send, paramsize, datasize));
223 if (NT_STATUS_V(nt_error)) {
224 error_packet_set((char *)req->outbuf,
229 /* Send the packet */
230 show_msg((char *)req->outbuf);
231 if (!srv_send_smb(smbd_server_fd(),
233 IS_CONN_ENCRYPTED(conn))) {
234 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
237 TALLOC_FREE(req->outbuf);
239 pp += params_sent_thistime;
240 pd += data_sent_thistime;
242 params_to_send -= params_sent_thistime;
243 data_to_send -= data_sent_thistime;
249 if(params_to_send < 0 || data_to_send < 0) {
250 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
251 params_to_send, data_to_send));
252 exit_server_cleanly("send_nt_replies: internal error");
257 /****************************************************************************
258 Is it an NTFS stream name ?
259 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
260 $DATA can be used as both a stream name and a stream type. A missing stream
261 name or type implies $DATA.
262 ****************************************************************************/
264 bool is_ntfs_stream_name(const char *fname)
266 if (lp_posix_pathnames()) {
269 return (strchr_m(fname, ':') != NULL) ? True : False;
272 /****************************************************************************
273 Reply to an NT create and X call on a pipe
274 ****************************************************************************/
276 static void nt_open_pipe(char *fname, connection_struct *conn,
277 struct smb_request *req, int *ppnum)
282 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
284 /* Strip \\ off the name. */
287 status = np_open(req, conn, fname, &fsp);
288 if (!NT_STATUS_IS_OK(status)) {
289 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
290 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
294 reply_nterror(req, status);
302 /****************************************************************************
303 Reply to an NT create and X call for pipes.
304 ****************************************************************************/
306 static void do_ntcreate_pipe_open(connection_struct *conn,
307 struct smb_request *req)
312 uint32 flags = IVAL(req->vwv+3, 1);
313 TALLOC_CTX *ctx = talloc_tos();
315 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
318 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
322 nt_open_pipe(fname, conn, req, &pnum);
330 * Deal with pipe return.
333 if (flags & EXTENDED_RESPONSE_REQUIRED) {
334 /* This is very strange. We
335 * return 50 words, but only set
336 * the wcnt to 42 ? It's definately
337 * what happens on the wire....
339 reply_outbuf(req, 50, 0);
340 SCVAL(req->outbuf,smb_wct,42);
342 reply_outbuf(req, 34, 0);
345 p = (char *)req->outbuf + smb_vwv2;
349 SIVAL(p,0,FILE_WAS_OPENED);
352 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
355 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
357 SSVAL(p,2, 0x5FF); /* ? */
360 if (flags & EXTENDED_RESPONSE_REQUIRED) {
362 SIVAL(p,0,FILE_GENERIC_ALL);
364 * For pipes W2K3 seems to return
366 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
368 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
371 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
376 /****************************************************************************
377 Reply to an NT create and X call.
378 ****************************************************************************/
380 void reply_ntcreate_and_X(struct smb_request *req)
382 connection_struct *conn = req->conn;
386 uint32 file_attributes;
388 uint32 create_disposition;
389 uint32 create_options;
391 uint64_t allocation_size;
392 /* Breakout the oplock request bits so we can set the
393 reply bits separately. */
395 SMB_OFF_T file_len = 0;
396 SMB_STRUCT_STAT sbuf;
398 files_struct *fsp = NULL;
400 struct timespec c_timespec;
401 struct timespec a_timespec;
402 struct timespec m_timespec;
405 uint8_t oplock_granted = NO_OPLOCK_RETURN;
406 TALLOC_CTX *ctx = talloc_tos();
408 START_PROFILE(SMBntcreateX);
411 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
415 flags = IVAL(req->vwv+3, 1);
416 access_mask = IVAL(req->vwv+7, 1);
417 file_attributes = IVAL(req->vwv+13, 1);
418 share_access = IVAL(req->vwv+15, 1);
419 create_disposition = IVAL(req->vwv+17, 1);
420 create_options = IVAL(req->vwv+19, 1);
421 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
423 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
424 #ifdef LARGE_SMB_OFF_T
425 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
428 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
429 STR_TERMINATE, &status);
431 if (!NT_STATUS_IS_OK(status)) {
432 reply_nterror(req, status);
433 END_PROFILE(SMBntcreateX);
437 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
438 "file_attributes = 0x%x, share_access = 0x%x, "
439 "create_disposition = 0x%x create_options = 0x%x "
440 "root_dir_fid = 0x%x, fname = %s\n",
442 (unsigned int)access_mask,
443 (unsigned int)file_attributes,
444 (unsigned int)share_access,
445 (unsigned int)create_disposition,
446 (unsigned int)create_options,
447 (unsigned int)root_dir_fid,
451 * we need to remove ignored bits when they come directly from the client
452 * because we reuse some of them for internal stuff
454 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
457 * If it's an IPC, use the pipe handler.
461 if (lp_nt_pipe_support()) {
462 do_ntcreate_pipe_open(conn, req);
463 END_PROFILE(SMBntcreateX);
466 reply_doserror(req, ERRDOS, ERRnoaccess);
467 END_PROFILE(SMBntcreateX);
471 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
472 if (oplock_request) {
473 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
477 status = create_file(conn, req, root_dir_fid, fname,
478 access_mask, share_access, create_disposition,
479 create_options, file_attributes, oplock_request,
480 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
482 if (!NT_STATUS_IS_OK(status)) {
483 if (open_was_deferred(req->mid)) {
484 /* We have re-scheduled this call, no error. */
485 END_PROFILE(SMBntcreateX);
488 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
489 reply_botherror(req, status, ERRDOS, ERRfilexists);
492 reply_nterror(req, status);
494 END_PROFILE(SMBntcreateX);
499 * If the caller set the extended oplock request bit
500 * and we granted one (by whatever means) - set the
501 * correct bit for extended oplock reply.
504 if (oplock_request &&
505 (lp_fake_oplocks(SNUM(conn))
506 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
509 * Exclusive oplock granted
512 if (flags & REQUEST_BATCH_OPLOCK) {
513 oplock_granted = BATCH_OPLOCK_RETURN;
515 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
517 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
518 oplock_granted = LEVEL_II_OPLOCK_RETURN;
520 oplock_granted = NO_OPLOCK_RETURN;
523 file_len = sbuf.st_size;
524 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
526 fattr = FILE_ATTRIBUTE_NORMAL;
529 if (flags & EXTENDED_RESPONSE_REQUIRED) {
530 /* This is very strange. We
531 * return 50 words, but only set
532 * the wcnt to 42 ? It's definately
533 * what happens on the wire....
535 reply_outbuf(req, 50, 0);
536 SCVAL(req->outbuf,smb_wct,42);
538 reply_outbuf(req, 34, 0);
541 p = (char *)req->outbuf + smb_vwv2;
543 SCVAL(p, 0, oplock_granted);
546 SSVAL(p,0,fsp->fnum);
548 if ((create_disposition == FILE_SUPERSEDE)
549 && (info == FILE_WAS_OVERWRITTEN)) {
550 SIVAL(p,0,FILE_WAS_SUPERSEDED);
557 c_timespec = get_create_timespec(
558 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
559 a_timespec = get_atimespec(&sbuf);
560 m_timespec = get_mtimespec(&sbuf);
562 if (lp_dos_filetime_resolution(SNUM(conn))) {
563 dos_filetime_timespec(&c_timespec);
564 dos_filetime_timespec(&a_timespec);
565 dos_filetime_timespec(&m_timespec);
568 put_long_date_timespec(p, c_timespec); /* create time. */
570 put_long_date_timespec(p, a_timespec); /* access time */
572 put_long_date_timespec(p, m_timespec); /* write time */
574 put_long_date_timespec(p, m_timespec); /* change time */
576 SIVAL(p,0,fattr); /* File Attributes. */
578 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
580 SOFF_T(p,0,file_len);
582 if (flags & EXTENDED_RESPONSE_REQUIRED) {
586 SCVAL(p,0,fsp->is_directory ? 1 : 0);
588 if (flags & EXTENDED_RESPONSE_REQUIRED) {
591 if (fsp->is_directory
592 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
593 perms = FILE_GENERIC_ALL;
595 perms = FILE_GENERIC_READ|FILE_EXECUTE;
600 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
601 fsp->fnum, fsp->fsp_name));
604 END_PROFILE(SMBntcreateX);
608 /****************************************************************************
609 Reply to a NT_TRANSACT_CREATE call to open a pipe.
610 ****************************************************************************/
612 static void do_nt_transact_create_pipe(connection_struct *conn,
613 struct smb_request *req,
614 uint16 **ppsetup, uint32 setup_count,
615 char **ppparams, uint32 parameter_count,
616 char **ppdata, uint32 data_count)
619 char *params = *ppparams;
625 TALLOC_CTX *ctx = talloc_tos();
628 * Ensure minimum number of parameters sent.
631 if(parameter_count < 54) {
632 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
633 reply_doserror(req, ERRDOS, ERRnoaccess);
637 flags = IVAL(params,0);
639 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
640 parameter_count-53, STR_TERMINATE,
642 if (!NT_STATUS_IS_OK(status)) {
643 reply_nterror(req, status);
647 nt_open_pipe(fname, conn, req, &pnum);
654 /* Realloc the size of parameters and data we will return */
655 if (flags & EXTENDED_RESPONSE_REQUIRED) {
656 /* Extended response is 32 more byyes. */
661 params = nttrans_realloc(ppparams, param_len);
663 reply_doserror(req, ERRDOS, ERRnomem);
668 SCVAL(p,0,NO_OPLOCK_RETURN);
673 SIVAL(p,0,FILE_WAS_OPENED);
677 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
680 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
682 SSVAL(p,2, 0x5FF); /* ? */
685 if (flags & EXTENDED_RESPONSE_REQUIRED) {
687 SIVAL(p,0,FILE_GENERIC_ALL);
689 * For pipes W2K3 seems to return
691 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
693 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
696 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
698 /* Send the required number of replies */
699 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
704 /****************************************************************************
705 Internal fn to set security descriptors.
706 ****************************************************************************/
708 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
709 uint32 security_info_sent)
711 SEC_DESC *psd = NULL;
714 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
718 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
720 if (!NT_STATUS_IS_OK(status)) {
724 if (psd->owner_sid == NULL) {
725 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
727 if (psd->group_sid == NULL) {
728 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
731 /* Convert all the generic bits. */
732 security_acl_map_generic(psd->dacl, &file_generic_mapping);
733 security_acl_map_generic(psd->sacl, &file_generic_mapping);
735 if (DEBUGLEVEL >= 10) {
736 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
737 NDR_PRINT_DEBUG(security_descriptor, psd);
740 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
747 /****************************************************************************
748 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
749 ****************************************************************************/
751 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
753 struct ea_list *ea_list_head = NULL;
760 while (offset + 4 <= data_size) {
761 size_t next_offset = IVAL(pdata,offset);
762 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
768 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
769 if (next_offset == 0) {
772 offset += next_offset;
778 /****************************************************************************
779 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
780 ****************************************************************************/
782 static void call_nt_transact_create(connection_struct *conn,
783 struct smb_request *req,
784 uint16 **ppsetup, uint32 setup_count,
785 char **ppparams, uint32 parameter_count,
786 char **ppdata, uint32 data_count,
787 uint32 max_data_count)
790 char *params = *ppparams;
791 char *data = *ppdata;
792 /* Breakout the oplock request bits so we can set the reply bits separately. */
794 SMB_OFF_T file_len = 0;
795 SMB_STRUCT_STAT sbuf;
797 files_struct *fsp = NULL;
801 uint32 file_attributes;
803 uint32 create_disposition;
804 uint32 create_options;
806 struct security_descriptor *sd = NULL;
809 struct timespec c_timespec;
810 struct timespec a_timespec;
811 struct timespec m_timespec;
812 struct ea_list *ea_list = NULL;
815 uint64_t allocation_size;
817 uint8_t oplock_granted;
818 TALLOC_CTX *ctx = talloc_tos();
820 DEBUG(5,("call_nt_transact_create\n"));
823 * If it's an IPC, use the pipe handler.
827 if (lp_nt_pipe_support()) {
828 do_nt_transact_create_pipe(
830 ppsetup, setup_count,
831 ppparams, parameter_count,
835 reply_doserror(req, ERRDOS, ERRnoaccess);
840 * Ensure minimum number of parameters sent.
843 if(parameter_count < 54) {
844 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
845 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
849 flags = IVAL(params,0);
850 access_mask = IVAL(params,8);
851 file_attributes = IVAL(params,20);
852 share_access = IVAL(params,24);
853 create_disposition = IVAL(params,28);
854 create_options = IVAL(params,32);
855 sd_len = IVAL(params,36);
856 ea_len = IVAL(params,40);
857 root_dir_fid = (uint16)IVAL(params,4);
858 allocation_size = (uint64_t)IVAL(params,12);
859 #ifdef LARGE_SMB_OFF_T
860 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
864 * we need to remove ignored bits when they come directly from the client
865 * because we reuse some of them for internal stuff
867 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
869 /* Ensure the data_len is correct for the sd and ea values given. */
870 if ((ea_len + sd_len > data_count)
871 || (ea_len > data_count) || (sd_len > data_count)
872 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
873 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
874 "%u, data_count = %u\n", (unsigned int)ea_len,
875 (unsigned int)sd_len, (unsigned int)data_count));
876 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
881 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
884 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
886 if (!NT_STATUS_IS_OK(status)) {
887 DEBUG(10, ("call_nt_transact_create: "
888 "unmarshall_sec_desc failed: %s\n",
890 reply_nterror(req, status);
896 if (!lp_ea_support(SNUM(conn))) {
897 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
898 "EA's not supported.\n",
899 (unsigned int)ea_len));
900 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
905 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
906 "too small (should be more than 10)\n",
907 (unsigned int)ea_len ));
908 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
912 /* We have already checked that ea_len <= data_count here. */
913 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
915 if (ea_list == NULL) {
916 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
921 srvstr_get_path(ctx, params, req->flags2, &fname,
922 params+53, parameter_count-53,
923 STR_TERMINATE, &status);
924 if (!NT_STATUS_IS_OK(status)) {
925 reply_nterror(req, status);
929 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
930 if (oplock_request) {
931 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
935 status = create_file(conn, req, root_dir_fid, fname,
936 access_mask, share_access, create_disposition,
937 create_options, file_attributes, oplock_request,
938 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
940 if(!NT_STATUS_IS_OK(status)) {
941 if (open_was_deferred(req->mid)) {
942 /* We have re-scheduled this call, no error. */
945 reply_openerror(req, status);
950 * If the caller set the extended oplock request bit
951 * and we granted one (by whatever means) - set the
952 * correct bit for extended oplock reply.
955 if (oplock_request &&
956 (lp_fake_oplocks(SNUM(conn))
957 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
960 * Exclusive oplock granted
963 if (flags & REQUEST_BATCH_OPLOCK) {
964 oplock_granted = BATCH_OPLOCK_RETURN;
966 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
968 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
969 oplock_granted = LEVEL_II_OPLOCK_RETURN;
971 oplock_granted = NO_OPLOCK_RETURN;
974 file_len = sbuf.st_size;
975 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
977 fattr = FILE_ATTRIBUTE_NORMAL;
980 /* Realloc the size of parameters and data we will return */
981 if (flags & EXTENDED_RESPONSE_REQUIRED) {
982 /* Extended response is 32 more byyes. */
987 params = nttrans_realloc(ppparams, param_len);
989 reply_doserror(req, ERRDOS, ERRnomem);
994 SCVAL(p, 0, oplock_granted);
997 SSVAL(p,0,fsp->fnum);
999 if ((create_disposition == FILE_SUPERSEDE)
1000 && (info == FILE_WAS_OVERWRITTEN)) {
1001 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1008 c_timespec = get_create_timespec(
1009 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1010 a_timespec = get_atimespec(&sbuf);
1011 m_timespec = get_mtimespec(&sbuf);
1013 if (lp_dos_filetime_resolution(SNUM(conn))) {
1014 dos_filetime_timespec(&c_timespec);
1015 dos_filetime_timespec(&a_timespec);
1016 dos_filetime_timespec(&m_timespec);
1019 put_long_date_timespec(p, c_timespec); /* create time. */
1021 put_long_date_timespec(p, a_timespec); /* access time */
1023 put_long_date_timespec(p, m_timespec); /* write time */
1025 put_long_date_timespec(p, m_timespec); /* change time */
1027 SIVAL(p,0,fattr); /* File Attributes. */
1029 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1031 SOFF_T(p,0,file_len);
1033 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1037 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1039 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1042 if (fsp->is_directory
1043 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1044 perms = FILE_GENERIC_ALL;
1046 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1051 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1053 /* Send the required number of replies */
1054 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1059 /****************************************************************************
1060 Reply to a NT CANCEL request.
1061 conn POINTER CAN BE NULL HERE !
1062 ****************************************************************************/
1064 void reply_ntcancel(struct smb_request *req)
1067 * Go through and cancel any pending change notifies.
1070 START_PROFILE(SMBntcancel);
1071 remove_pending_change_notify_requests_by_mid(req->mid);
1072 remove_pending_lock_requests_by_mid(req->mid);
1073 srv_cancel_sign_response(req->mid);
1075 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1077 END_PROFILE(SMBntcancel);
1081 /****************************************************************************
1083 ****************************************************************************/
1085 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1086 connection_struct *conn,
1087 struct smb_request *req,
1088 const char *oldname_in,
1089 const char *newname_in,
1092 SMB_STRUCT_STAT sbuf1, sbuf2;
1093 char *oldname = NULL;
1094 char *newname = NULL;
1095 char *last_component_oldname = NULL;
1096 char *last_component_newname = NULL;
1097 files_struct *fsp1,*fsp2;
1101 NTSTATUS status = NT_STATUS_OK;
1106 if (!CAN_WRITE(conn)) {
1107 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1110 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1111 &last_component_oldname, &sbuf1);
1112 if (!NT_STATUS_IS_OK(status)) {
1116 status = check_name(conn, oldname);
1117 if (!NT_STATUS_IS_OK(status)) {
1121 /* Source must already exist. */
1122 if (!VALID_STAT(sbuf1)) {
1123 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1125 /* Ensure attributes match. */
1126 fattr = dos_mode(conn,oldname,&sbuf1);
1127 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1128 return NT_STATUS_NO_SUCH_FILE;
1131 status = unix_convert(ctx, conn, newname_in, False, &newname,
1132 &last_component_newname, &sbuf2);
1133 if (!NT_STATUS_IS_OK(status)) {
1137 status = check_name(conn, newname);
1138 if (!NT_STATUS_IS_OK(status)) {
1142 /* Disallow if newname already exists. */
1143 if (VALID_STAT(sbuf2)) {
1144 return NT_STATUS_OBJECT_NAME_COLLISION;
1147 /* No links from a directory. */
1148 if (S_ISDIR(sbuf1.st_mode)) {
1149 return NT_STATUS_FILE_IS_A_DIRECTORY;
1152 /* Ensure this is within the share. */
1153 status = check_reduced_name(conn, oldname);
1154 if (!NT_STATUS_IS_OK(status)) {
1158 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1161 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1162 FILE_READ_DATA, /* Read-only. */
1163 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1165 0, /* No create options. */
1166 FILE_ATTRIBUTE_NORMAL,
1170 if (!NT_STATUS_IS_OK(status)) {
1174 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1175 FILE_WRITE_DATA, /* Read-only. */
1176 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1178 0, /* No create options. */
1183 if (!NT_STATUS_IS_OK(status)) {
1184 close_file(NULL, fsp1, ERROR_CLOSE);
1188 if (sbuf1.st_size) {
1189 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1193 * As we are opening fsp1 read-only we only expect
1194 * an error on close on fsp2 if we are out of space.
1195 * Thus we don't look at the error return from the
1198 close_file(NULL, fsp1, NORMAL_CLOSE);
1200 /* Ensure the modtime is set correctly on the destination file. */
1201 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1203 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1205 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1206 creates the file. This isn't the correct thing to do in the copy
1208 file_set_dosmode(conn, newname, fattr, &sbuf2,
1209 parent_dirname(newname),false);
1211 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1212 return NT_STATUS_DISK_FULL;
1215 if (!NT_STATUS_IS_OK(status)) {
1216 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1217 nt_errstr(status), oldname, newname));
1222 /****************************************************************************
1223 Reply to a NT rename request.
1224 ****************************************************************************/
1226 void reply_ntrename(struct smb_request *req)
1228 connection_struct *conn = req->conn;
1229 char *oldname = NULL;
1230 char *newname = NULL;
1233 bool src_has_wcard = False;
1234 bool dest_has_wcard = False;
1237 TALLOC_CTX *ctx = talloc_tos();
1239 START_PROFILE(SMBntrename);
1242 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1243 END_PROFILE(SMBntrename);
1247 attrs = SVAL(req->vwv+0, 0);
1248 rename_type = SVAL(req->vwv+1, 0);
1250 p = (const char *)req->buf + 1;
1251 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1252 &status, &src_has_wcard);
1253 if (!NT_STATUS_IS_OK(status)) {
1254 reply_nterror(req, status);
1255 END_PROFILE(SMBntrename);
1259 if( is_ntfs_stream_name(oldname)) {
1260 /* Can't rename a stream. */
1261 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1262 END_PROFILE(SMBntrename);
1266 if (ms_has_wild(oldname)) {
1267 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1268 END_PROFILE(SMBntrename);
1273 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1274 &status, &dest_has_wcard);
1275 if (!NT_STATUS_IS_OK(status)) {
1276 reply_nterror(req, status);
1277 END_PROFILE(SMBntrename);
1281 status = resolve_dfspath(ctx, conn,
1282 req->flags2 & FLAGS2_DFS_PATHNAMES,
1285 if (!NT_STATUS_IS_OK(status)) {
1286 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1287 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1288 ERRSRV, ERRbadpath);
1289 END_PROFILE(SMBntrename);
1292 reply_nterror(req, status);
1293 END_PROFILE(SMBntrename);
1297 status = resolve_dfspath(ctx, conn,
1298 req->flags2 & FLAGS2_DFS_PATHNAMES,
1301 if (!NT_STATUS_IS_OK(status)) {
1302 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1303 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1304 ERRSRV, ERRbadpath);
1305 END_PROFILE(SMBntrename);
1308 reply_nterror(req, status);
1309 END_PROFILE(SMBntrename);
1313 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1315 switch(rename_type) {
1316 case RENAME_FLAG_RENAME:
1317 status = rename_internals(ctx, conn, req, oldname,
1318 newname, attrs, False, src_has_wcard,
1319 dest_has_wcard, DELETE_ACCESS);
1321 case RENAME_FLAG_HARD_LINK:
1322 if (src_has_wcard || dest_has_wcard) {
1324 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1326 status = hardlink_internals(ctx,
1332 case RENAME_FLAG_COPY:
1333 if (src_has_wcard || dest_has_wcard) {
1335 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1337 status = copy_internals(ctx, conn, req, oldname,
1341 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1342 status = NT_STATUS_INVALID_PARAMETER;
1345 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1349 if (!NT_STATUS_IS_OK(status)) {
1350 if (open_was_deferred(req->mid)) {
1351 /* We have re-scheduled this call. */
1352 END_PROFILE(SMBntrename);
1356 reply_nterror(req, status);
1357 END_PROFILE(SMBntrename);
1361 reply_outbuf(req, 0, 0);
1363 END_PROFILE(SMBntrename);
1367 /****************************************************************************
1368 Reply to a notify change - queue the request and
1369 don't allow a directory to be opened.
1370 ****************************************************************************/
1372 static void call_nt_transact_notify_change(connection_struct *conn,
1373 struct smb_request *req,
1377 uint32 parameter_count,
1378 char **ppdata, uint32 data_count,
1379 uint32 max_data_count,
1380 uint32 max_param_count)
1382 uint16 *setup = *ppsetup;
1388 if(setup_count < 6) {
1389 reply_doserror(req, ERRDOS, ERRbadfunc);
1393 fsp = file_fsp(req, SVAL(setup,4));
1394 filter = IVAL(setup, 0);
1395 recursive = (SVAL(setup, 6) != 0) ? True : False;
1397 DEBUG(3,("call_nt_transact_notify_change\n"));
1400 reply_doserror(req, ERRDOS, ERRbadfid);
1405 char *filter_string;
1407 if (!(filter_string = notify_filter_string(NULL, filter))) {
1408 reply_nterror(req,NT_STATUS_NO_MEMORY);
1412 DEBUG(3,("call_nt_transact_notify_change: notify change "
1413 "called on %s, filter = %s, recursive = %d\n",
1414 fsp->fsp_name, filter_string, recursive));
1416 TALLOC_FREE(filter_string);
1419 if((!fsp->is_directory) || (conn != fsp->conn)) {
1420 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1424 if (fsp->notify == NULL) {
1426 status = change_notify_create(fsp, filter, recursive);
1428 if (!NT_STATUS_IS_OK(status)) {
1429 DEBUG(10, ("change_notify_create returned %s\n",
1430 nt_errstr(status)));
1431 reply_nterror(req, status);
1436 if (fsp->notify->num_changes != 0) {
1439 * We've got changes pending, respond immediately
1443 * TODO: write a torture test to check the filtering behaviour
1447 change_notify_reply(fsp->conn, req, max_param_count,
1451 * change_notify_reply() above has independently sent its
1458 * No changes pending, queue the request
1461 status = change_notify_add_request(req,
1465 if (!NT_STATUS_IS_OK(status)) {
1466 reply_nterror(req, status);
1471 /****************************************************************************
1472 Reply to an NT transact rename command.
1473 ****************************************************************************/
1475 static void call_nt_transact_rename(connection_struct *conn,
1476 struct smb_request *req,
1477 uint16 **ppsetup, uint32 setup_count,
1478 char **ppparams, uint32 parameter_count,
1479 char **ppdata, uint32 data_count,
1480 uint32 max_data_count)
1482 char *params = *ppparams;
1483 char *new_name = NULL;
1484 files_struct *fsp = NULL;
1485 bool dest_has_wcard = False;
1487 TALLOC_CTX *ctx = talloc_tos();
1489 if(parameter_count < 5) {
1490 reply_doserror(req, ERRDOS, ERRbadfunc);
1494 fsp = file_fsp(req, SVAL(params, 0));
1495 if (!check_fsp(conn, req, fsp)) {
1498 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1499 parameter_count - 4,
1500 STR_TERMINATE, &status, &dest_has_wcard);
1501 if (!NT_STATUS_IS_OK(status)) {
1502 reply_nterror(req, status);
1507 * W2K3 ignores this request as the RAW-RENAME test
1508 * demonstrates, so we do.
1510 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1512 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1513 fsp->fsp_name, new_name));
1518 /******************************************************************************
1519 Fake up a completely empty SD.
1520 *******************************************************************************/
1522 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1526 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1528 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1529 return NT_STATUS_NO_MEMORY;
1532 return NT_STATUS_OK;
1535 /****************************************************************************
1536 Reply to query a security descriptor.
1537 ****************************************************************************/
1539 static void call_nt_transact_query_security_desc(connection_struct *conn,
1540 struct smb_request *req,
1544 uint32 parameter_count,
1547 uint32 max_data_count)
1549 char *params = *ppparams;
1550 char *data = *ppdata;
1551 SEC_DESC *psd = NULL;
1553 uint32 security_info_wanted;
1554 files_struct *fsp = NULL;
1558 if(parameter_count < 8) {
1559 reply_doserror(req, ERRDOS, ERRbadfunc);
1563 fsp = file_fsp(req, SVAL(params,0));
1565 reply_doserror(req, ERRDOS, ERRbadfid);
1569 security_info_wanted = IVAL(params,4);
1571 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1572 (unsigned int)security_info_wanted ));
1574 params = nttrans_realloc(ppparams, 4);
1575 if(params == NULL) {
1576 reply_doserror(req, ERRDOS, ERRnomem);
1581 * Get the permissions to return.
1584 if (!lp_nt_acl_support(SNUM(conn))) {
1585 status = get_null_nt_acl(talloc_tos(), &psd);
1587 status = SMB_VFS_FGET_NT_ACL(
1588 fsp, security_info_wanted, &psd);
1591 if (!NT_STATUS_IS_OK(status)) {
1592 reply_nterror(req, status);
1596 sd_size = ndr_size_security_descriptor(psd, 0);
1598 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1600 if (DEBUGLEVEL >= 10) {
1601 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name));
1602 NDR_PRINT_DEBUG(security_descriptor, psd);
1605 SIVAL(params,0,(uint32)sd_size);
1607 if (max_data_count < sd_size) {
1608 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1609 params, 4, *ppdata, 0);
1614 * Allocate the data we will point this at.
1617 data = nttrans_realloc(ppdata, sd_size);
1619 reply_doserror(req, ERRDOS, ERRnomem);
1623 status = marshall_sec_desc(talloc_tos(), psd,
1624 &blob.data, &blob.length);
1626 if (!NT_STATUS_IS_OK(status)) {
1627 reply_nterror(req, status);
1631 SMB_ASSERT(sd_size == blob.length);
1632 memcpy(data, blob.data, sd_size);
1634 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1639 /****************************************************************************
1640 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1641 ****************************************************************************/
1643 static void call_nt_transact_set_security_desc(connection_struct *conn,
1644 struct smb_request *req,
1648 uint32 parameter_count,
1651 uint32 max_data_count)
1653 char *params= *ppparams;
1654 char *data = *ppdata;
1655 files_struct *fsp = NULL;
1656 uint32 security_info_sent = 0;
1659 if(parameter_count < 8) {
1660 reply_doserror(req, ERRDOS, ERRbadfunc);
1664 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1665 reply_doserror(req, ERRDOS, ERRbadfid);
1669 if(!lp_nt_acl_support(SNUM(conn))) {
1673 security_info_sent = IVAL(params,4);
1675 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1676 (unsigned int)security_info_sent ));
1678 if (data_count == 0) {
1679 reply_doserror(req, ERRDOS, ERRnoaccess);
1683 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1685 if (!NT_STATUS_IS_OK(status)) {
1686 reply_nterror(req, status);
1691 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1695 /****************************************************************************
1697 ****************************************************************************/
1699 static void call_nt_transact_ioctl(connection_struct *conn,
1700 struct smb_request *req,
1701 uint16 **ppsetup, uint32 setup_count,
1702 char **ppparams, uint32 parameter_count,
1703 char **ppdata, uint32 data_count,
1704 uint32 max_data_count)
1711 static bool logged_message;
1712 char *pdata = *ppdata;
1714 if (setup_count != 8) {
1715 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1716 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1720 function = IVAL(*ppsetup, 0);
1721 fidnum = SVAL(*ppsetup, 4);
1722 isFSctl = CVAL(*ppsetup, 6);
1723 compfilter = CVAL(*ppsetup, 7);
1725 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1726 function, fidnum, isFSctl, compfilter));
1728 fsp=file_fsp(req, fidnum);
1729 /* this check is done in each implemented function case for now
1730 because I don't want to break anything... --metze
1731 FSP_BELONGS_CONN(fsp,conn);*/
1734 case FSCTL_SET_SPARSE:
1735 /* pretend this succeeded - tho strictly we should
1736 mark the file sparse (if the local fs supports it)
1737 so we can know if we need to pre-allocate or not */
1739 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1740 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1743 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1745 unsigned char objid[16];
1747 /* This should return the object-id on this file.
1748 * I think I'll make this be the inode+dev. JRA.
1751 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1753 if (!fsp_belongs_conn(conn, req, fsp)) {
1758 pdata = nttrans_realloc(ppdata, data_count);
1759 if (pdata == NULL) {
1760 reply_nterror(req, NT_STATUS_NO_MEMORY);
1763 push_file_id_16(pdata, &fsp->file_id);
1764 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1765 push_file_id_16(pdata+32, &fsp->file_id);
1766 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1771 case FSCTL_GET_REPARSE_POINT:
1772 /* pretend this fail - my winXP does it like this
1776 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1777 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1780 case FSCTL_SET_REPARSE_POINT:
1781 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1785 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1786 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1789 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1792 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1793 * and return their volume names. If max_data_count is 16, then it is just
1794 * asking for the number of volumes and length of the combined names.
1796 * pdata is the data allocated by our caller, but that uses
1797 * total_data_count (which is 0 in our case) rather than max_data_count.
1798 * Allocate the correct amount and return the pointer to let
1799 * it be deallocated when we return.
1801 SHADOW_COPY_DATA *shadow_data = NULL;
1802 TALLOC_CTX *shadow_mem_ctx = NULL;
1803 bool labels = False;
1804 uint32 labels_data_count = 0;
1808 if (!fsp_belongs_conn(conn, req, fsp)) {
1812 if (max_data_count < 16) {
1813 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1815 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1819 if (max_data_count > 16) {
1823 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1824 if (shadow_mem_ctx == NULL) {
1825 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1826 reply_nterror(req, NT_STATUS_NO_MEMORY);
1830 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1831 if (shadow_data == NULL) {
1832 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1833 talloc_destroy(shadow_mem_ctx);
1834 reply_nterror(req, NT_STATUS_NO_MEMORY);
1838 shadow_data->mem_ctx = shadow_mem_ctx;
1841 * Call the VFS routine to actually do the work.
1843 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1844 talloc_destroy(shadow_data->mem_ctx);
1845 if (errno == ENOSYS) {
1846 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1847 conn->connectpath));
1848 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1851 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1852 conn->connectpath));
1853 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1858 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1863 data_count = 12+labels_data_count+4;
1866 if (max_data_count<data_count) {
1867 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1868 max_data_count,data_count));
1869 talloc_destroy(shadow_data->mem_ctx);
1870 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1874 pdata = nttrans_realloc(ppdata, data_count);
1875 if (pdata == NULL) {
1876 talloc_destroy(shadow_data->mem_ctx);
1877 reply_nterror(req, NT_STATUS_NO_MEMORY);
1883 /* num_volumes 4 bytes */
1884 SIVAL(pdata,0,shadow_data->num_volumes);
1887 /* num_labels 4 bytes */
1888 SIVAL(pdata,4,shadow_data->num_volumes);
1891 /* needed_data_count 4 bytes */
1892 SIVAL(pdata,8,labels_data_count);
1896 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1897 shadow_data->num_volumes,fsp->fsp_name));
1898 if (labels && shadow_data->labels) {
1899 for (i=0;i<shadow_data->num_volumes;i++) {
1900 srvstr_push(pdata, req->flags2,
1901 cur_pdata, shadow_data->labels[i],
1902 2*sizeof(SHADOW_COPY_LABEL),
1903 STR_UNICODE|STR_TERMINATE);
1904 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1905 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1909 talloc_destroy(shadow_data->mem_ctx);
1911 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1917 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1919 /* pretend this succeeded -
1921 * we have to send back a list with all files owned by this SID
1923 * but I have to check that --metze
1927 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1929 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1931 if (!fsp_belongs_conn(conn, req, fsp)) {
1935 /* unknown 4 bytes: this is not the length of the sid :-( */
1936 /*unknown = IVAL(pdata,0);*/
1938 sid_parse(pdata+4,sid_len,&sid);
1939 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1941 if (!sid_to_uid(&sid, &uid)) {
1942 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1943 sid_string_dbg(&sid),
1944 (unsigned long)sid_len));
1948 /* we can take a look at the find source :-)
1950 * find ./ -uid $uid -name '*' is what we need here
1953 * and send 4bytes len and then NULL terminated unicode strings
1956 * but I don't know how to deal with the paged results
1957 * (maybe we can hang the result anywhere in the fsp struct)
1959 * we don't send all files at once
1960 * and at the next we should *not* start from the beginning,
1961 * so we have to cache the result
1966 /* this works for now... */
1967 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1971 if (!logged_message) {
1972 logged_message = True; /* Only print this once... */
1973 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1978 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1982 #ifdef HAVE_SYS_QUOTAS
1983 /****************************************************************************
1984 Reply to get user quota
1985 ****************************************************************************/
1987 static void call_nt_transact_get_user_quota(connection_struct *conn,
1988 struct smb_request *req,
1992 uint32 parameter_count,
1995 uint32 max_data_count)
1997 NTSTATUS nt_status = NT_STATUS_OK;
1998 char *params = *ppparams;
1999 char *pdata = *ppdata;
2001 int data_len=0,param_len=0;
2004 files_struct *fsp = NULL;
2008 bool start_enum = True;
2009 SMB_NTQUOTA_STRUCT qt;
2010 SMB_NTQUOTA_LIST *tmp_list;
2011 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2016 if (conn->server_info->utok.uid != 0) {
2017 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2018 "[%s]\n", lp_servicename(SNUM(conn)),
2019 conn->server_info->unix_name));
2020 reply_doserror(req, ERRDOS, ERRnoaccess);
2025 * Ensure minimum number of parameters sent.
2028 if (parameter_count < 4) {
2029 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2030 reply_doserror(req, ERRDOS, ERRinvalidparam);
2034 /* maybe we can check the quota_fnum */
2035 fsp = file_fsp(req, SVAL(params,0));
2036 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2037 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2038 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2042 /* the NULL pointer checking for fsp->fake_file_handle->pd
2043 * is done by CHECK_NTQUOTA_HANDLE_OK()
2045 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2047 level = SVAL(params,2);
2049 /* unknown 12 bytes leading in params */
2052 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2053 /* seems that we should continue with the enum here --metze */
2055 if (qt_handle->quota_list!=NULL &&
2056 qt_handle->tmp_list==NULL) {
2059 free_ntquota_list(&(qt_handle->quota_list));
2061 /* Realloc the size of parameters and data we will return */
2063 params = nttrans_realloc(ppparams, param_len);
2064 if(params == NULL) {
2065 reply_doserror(req, ERRDOS, ERRnomem);
2070 SIVAL(params,0,data_len);
2077 case TRANSACT_GET_USER_QUOTA_LIST_START:
2079 if (qt_handle->quota_list==NULL &&
2080 qt_handle->tmp_list==NULL) {
2084 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2085 reply_doserror(req, ERRSRV, ERRerror);
2089 /* Realloc the size of parameters and data we will return */
2091 params = nttrans_realloc(ppparams, param_len);
2092 if(params == NULL) {
2093 reply_doserror(req, ERRDOS, ERRnomem);
2097 /* we should not trust the value in max_data_count*/
2098 max_data_count = MIN(max_data_count,2048);
2100 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2102 reply_doserror(req, ERRDOS, ERRnomem);
2108 /* set params Size of returned Quota Data 4 bytes*/
2109 /* but set it later when we know it */
2111 /* for each entry push the data */
2114 qt_handle->tmp_list = qt_handle->quota_list;
2117 tmp_list = qt_handle->tmp_list;
2119 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2120 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2122 sid_len = ndr_size_dom_sid(
2123 &tmp_list->quotas->sid, 0);
2124 entry_len = 40 + sid_len;
2126 /* nextoffset entry 4 bytes */
2127 SIVAL(entry,0,entry_len);
2129 /* then the len of the SID 4 bytes */
2130 SIVAL(entry,4,sid_len);
2132 /* unknown data 8 bytes uint64_t */
2133 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2135 /* the used disk space 8 bytes uint64_t */
2136 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2138 /* the soft quotas 8 bytes uint64_t */
2139 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2141 /* the hard quotas 8 bytes uint64_t */
2142 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2144 /* and now the SID */
2145 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2148 qt_handle->tmp_list = tmp_list;
2150 /* overwrite the offset of the last entry */
2151 SIVAL(entry-entry_len,0,0);
2153 data_len = 4+qt_len;
2154 /* overwrite the params quota_data_len */
2155 SIVAL(params,0,data_len);
2159 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2161 /* unknown 4 bytes IVAL(pdata,0) */
2163 if (data_count < 8) {
2164 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2165 reply_doserror(req, ERRDOS, ERRunknownlevel);
2169 sid_len = IVAL(pdata,4);
2170 /* Ensure this is less than 1mb. */
2171 if (sid_len > (1024*1024)) {
2172 reply_doserror(req, ERRDOS, ERRnomem);
2176 if (data_count < 8+sid_len) {
2177 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2178 reply_doserror(req, ERRDOS, ERRunknownlevel);
2182 data_len = 4+40+sid_len;
2184 if (max_data_count < data_len) {
2185 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2186 max_data_count, data_len));
2188 SIVAL(params,0,data_len);
2190 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2194 sid_parse(pdata+8,sid_len,&sid);
2196 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2199 * we have to return zero's in all fields
2200 * instead of returning an error here
2205 /* Realloc the size of parameters and data we will return */
2207 params = nttrans_realloc(ppparams, param_len);
2208 if(params == NULL) {
2209 reply_doserror(req, ERRDOS, ERRnomem);
2213 pdata = nttrans_realloc(ppdata, data_len);
2215 reply_doserror(req, ERRDOS, ERRnomem);
2221 /* set params Size of returned Quota Data 4 bytes*/
2222 SIVAL(params,0,data_len);
2224 /* nextoffset entry 4 bytes */
2227 /* then the len of the SID 4 bytes */
2228 SIVAL(entry,4,sid_len);
2230 /* unknown data 8 bytes uint64_t */
2231 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2233 /* the used disk space 8 bytes uint64_t */
2234 SBIG_UINT(entry,16,qt.usedspace);
2236 /* the soft quotas 8 bytes uint64_t */
2237 SBIG_UINT(entry,24,qt.softlim);
2239 /* the hard quotas 8 bytes uint64_t */
2240 SBIG_UINT(entry,32,qt.hardlim);
2242 /* and now the SID */
2243 sid_linearize(entry+40, sid_len, &sid);
2248 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2249 reply_doserror(req, ERRSRV, ERRerror);
2254 send_nt_replies(conn, req, nt_status, params, param_len,
2258 /****************************************************************************
2259 Reply to set user quota
2260 ****************************************************************************/
2262 static void call_nt_transact_set_user_quota(connection_struct *conn,
2263 struct smb_request *req,
2267 uint32 parameter_count,
2270 uint32 max_data_count)
2272 char *params = *ppparams;
2273 char *pdata = *ppdata;
2274 int data_len=0,param_len=0;
2275 SMB_NTQUOTA_STRUCT qt;
2278 files_struct *fsp = NULL;
2283 if (conn->server_info->utok.uid != 0) {
2284 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2285 "[%s]\n", lp_servicename(SNUM(conn)),
2286 conn->server_info->unix_name));
2287 reply_doserror(req, ERRDOS, ERRnoaccess);
2292 * Ensure minimum number of parameters sent.
2295 if (parameter_count < 2) {
2296 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2297 reply_doserror(req, ERRDOS, ERRinvalidparam);
2301 /* maybe we can check the quota_fnum */
2302 fsp = file_fsp(req, SVAL(params,0));
2303 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2304 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2305 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2309 if (data_count < 40) {
2310 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2311 reply_doserror(req, ERRDOS, ERRunknownlevel);
2315 /* offset to next quota record.
2316 * 4 bytes IVAL(pdata,0)
2321 sid_len = IVAL(pdata,4);
2323 if (data_count < 40+sid_len) {
2324 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2325 reply_doserror(req, ERRDOS, ERRunknownlevel);
2329 /* unknown 8 bytes in pdata
2330 * maybe its the change time in NTTIME
2333 /* the used space 8 bytes (uint64_t)*/
2334 qt.usedspace = (uint64_t)IVAL(pdata,16);
2335 #ifdef LARGE_SMB_OFF_T
2336 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2337 #else /* LARGE_SMB_OFF_T */
2338 if ((IVAL(pdata,20) != 0)&&
2339 ((qt.usedspace != 0xFFFFFFFF)||
2340 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2341 /* more than 32 bits? */
2342 reply_doserror(req, ERRDOS, ERRunknownlevel);
2345 #endif /* LARGE_SMB_OFF_T */
2347 /* the soft quotas 8 bytes (uint64_t)*/
2348 qt.softlim = (uint64_t)IVAL(pdata,24);
2349 #ifdef LARGE_SMB_OFF_T
2350 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2351 #else /* LARGE_SMB_OFF_T */
2352 if ((IVAL(pdata,28) != 0)&&
2353 ((qt.softlim != 0xFFFFFFFF)||
2354 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2355 /* more than 32 bits? */
2356 reply_doserror(req, ERRDOS, ERRunknownlevel);
2359 #endif /* LARGE_SMB_OFF_T */
2361 /* the hard quotas 8 bytes (uint64_t)*/
2362 qt.hardlim = (uint64_t)IVAL(pdata,32);
2363 #ifdef LARGE_SMB_OFF_T
2364 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2365 #else /* LARGE_SMB_OFF_T */
2366 if ((IVAL(pdata,36) != 0)&&
2367 ((qt.hardlim != 0xFFFFFFFF)||
2368 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2369 /* more than 32 bits? */
2370 reply_doserror(req, ERRDOS, ERRunknownlevel);
2373 #endif /* LARGE_SMB_OFF_T */
2375 sid_parse(pdata+40,sid_len,&sid);
2376 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2378 /* 44 unknown bytes left... */
2380 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2381 reply_doserror(req, ERRSRV, ERRerror);
2385 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2388 #endif /* HAVE_SYS_QUOTAS */
2390 static void handle_nttrans(connection_struct *conn,
2391 struct trans_state *state,
2392 struct smb_request *req)
2394 if (Protocol >= PROTOCOL_NT1) {
2395 req->flags2 |= 0x40; /* IS_LONG_NAME */
2396 SSVAL(req->inbuf,smb_flg2,req->flags2);
2399 /* Now we must call the relevant NT_TRANS function */
2400 switch(state->call) {
2401 case NT_TRANSACT_CREATE:
2403 START_PROFILE(NT_transact_create);
2404 call_nt_transact_create(
2406 &state->setup, state->setup_count,
2407 &state->param, state->total_param,
2408 &state->data, state->total_data,
2409 state->max_data_return);
2410 END_PROFILE(NT_transact_create);
2414 case NT_TRANSACT_IOCTL:
2416 START_PROFILE(NT_transact_ioctl);
2417 call_nt_transact_ioctl(
2419 &state->setup, state->setup_count,
2420 &state->param, state->total_param,
2421 &state->data, state->total_data,
2422 state->max_data_return);
2423 END_PROFILE(NT_transact_ioctl);
2427 case NT_TRANSACT_SET_SECURITY_DESC:
2429 START_PROFILE(NT_transact_set_security_desc);
2430 call_nt_transact_set_security_desc(
2432 &state->setup, state->setup_count,
2433 &state->param, state->total_param,
2434 &state->data, state->total_data,
2435 state->max_data_return);
2436 END_PROFILE(NT_transact_set_security_desc);
2440 case NT_TRANSACT_NOTIFY_CHANGE:
2442 START_PROFILE(NT_transact_notify_change);
2443 call_nt_transact_notify_change(
2445 &state->setup, state->setup_count,
2446 &state->param, state->total_param,
2447 &state->data, state->total_data,
2448 state->max_data_return,
2449 state->max_param_return);
2450 END_PROFILE(NT_transact_notify_change);
2454 case NT_TRANSACT_RENAME:
2456 START_PROFILE(NT_transact_rename);
2457 call_nt_transact_rename(
2459 &state->setup, state->setup_count,
2460 &state->param, state->total_param,
2461 &state->data, state->total_data,
2462 state->max_data_return);
2463 END_PROFILE(NT_transact_rename);
2467 case NT_TRANSACT_QUERY_SECURITY_DESC:
2469 START_PROFILE(NT_transact_query_security_desc);
2470 call_nt_transact_query_security_desc(
2472 &state->setup, state->setup_count,
2473 &state->param, state->total_param,
2474 &state->data, state->total_data,
2475 state->max_data_return);
2476 END_PROFILE(NT_transact_query_security_desc);
2480 #ifdef HAVE_SYS_QUOTAS
2481 case NT_TRANSACT_GET_USER_QUOTA:
2483 START_PROFILE(NT_transact_get_user_quota);
2484 call_nt_transact_get_user_quota(
2486 &state->setup, state->setup_count,
2487 &state->param, state->total_param,
2488 &state->data, state->total_data,
2489 state->max_data_return);
2490 END_PROFILE(NT_transact_get_user_quota);
2494 case NT_TRANSACT_SET_USER_QUOTA:
2496 START_PROFILE(NT_transact_set_user_quota);
2497 call_nt_transact_set_user_quota(
2499 &state->setup, state->setup_count,
2500 &state->param, state->total_param,
2501 &state->data, state->total_data,
2502 state->max_data_return);
2503 END_PROFILE(NT_transact_set_user_quota);
2506 #endif /* HAVE_SYS_QUOTAS */
2509 /* Error in request */
2510 DEBUG(0,("handle_nttrans: Unknown request %d in "
2511 "nttrans call\n", state->call));
2512 reply_doserror(req, ERRSRV, ERRerror);
2518 /****************************************************************************
2519 Reply to a SMBNTtrans.
2520 ****************************************************************************/
2522 void reply_nttrans(struct smb_request *req)
2524 connection_struct *conn = req->conn;
2529 uint16 function_code;
2531 struct trans_state *state;
2535 START_PROFILE(SMBnttrans);
2537 if (req->wct < 19) {
2538 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2539 END_PROFILE(SMBnttrans);
2543 size = smb_len(req->inbuf) + 4;
2544 av_size = smb_len(req->inbuf);
2545 pscnt = IVAL(req->vwv+9, 1);
2546 psoff = IVAL(req->vwv+11, 1);
2547 dscnt = IVAL(req->vwv+13, 1);
2548 dsoff = IVAL(req->vwv+15, 1);
2549 function_code = SVAL(req->vwv+18, 0);
2551 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2552 reply_doserror(req, ERRSRV, ERRaccess);
2553 END_PROFILE(SMBnttrans);
2557 result = allow_new_trans(conn->pending_trans, req->mid);
2558 if (!NT_STATUS_IS_OK(result)) {
2559 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2560 reply_nterror(req, result);
2561 END_PROFILE(SMBnttrans);
2565 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2566 reply_doserror(req, ERRSRV, ERRaccess);
2567 END_PROFILE(SMBnttrans);
2571 state->cmd = SMBnttrans;
2573 state->mid = req->mid;
2574 state->vuid = req->vuid;
2575 state->total_data = IVAL(req->vwv+3, 1);
2577 state->total_param = IVAL(req->vwv+1, 1);
2578 state->param = NULL;
2579 state->max_data_return = IVAL(req->vwv+7, 1);
2580 state->max_param_return = IVAL(req->vwv+5, 1);
2582 /* setup count is in *words* */
2583 state->setup_count = 2*CVAL(req->vwv+17, 1);
2584 state->setup = NULL;
2585 state->call = function_code;
2587 DEBUG(10, ("num_setup=%u, "
2588 "param_total=%u, this_param=%u, max_param=%u, "
2589 "data_total=%u, this_data=%u, max_data=%u, "
2590 "param_offset=%u, data_offset=%u\n",
2591 (unsigned)state->setup_count,
2592 (unsigned)state->total_param, (unsigned)pscnt,
2593 (unsigned)state->max_param_return,
2594 (unsigned)state->total_data, (unsigned)dscnt,
2595 (unsigned)state->max_data_return,
2596 (unsigned)psoff, (unsigned)dsoff));
2599 * All nttrans messages we handle have smb_wct == 19 +
2600 * state->setup_count. Ensure this is so as a sanity check.
2603 if(req->wct != 19 + (state->setup_count/2)) {
2604 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2605 req->wct, 19 + (state->setup_count/2)));
2609 /* Don't allow more than 128mb for each value. */
2610 if ((state->total_data > (1024*1024*128)) ||
2611 (state->total_param > (1024*1024*128))) {
2612 reply_doserror(req, ERRDOS, ERRnomem);
2613 END_PROFILE(SMBnttrans);
2617 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2620 if (state->total_data) {
2621 /* Can't use talloc here, the core routines do realloc on the
2622 * params and data. */
2623 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2624 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2625 "bytes !\n", (unsigned int)state->total_data));
2627 reply_doserror(req, ERRDOS, ERRnomem);
2628 END_PROFILE(SMBnttrans);
2632 if (dscnt > state->total_data ||
2633 dsoff+dscnt < dsoff) {
2637 if (dsoff > av_size ||
2639 dsoff+dscnt > av_size) {
2643 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2646 if (state->total_param) {
2647 /* Can't use talloc here, the core routines do realloc on the
2648 * params and data. */
2649 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2650 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2651 "bytes !\n", (unsigned int)state->total_param));
2652 SAFE_FREE(state->data);
2654 reply_doserror(req, ERRDOS, ERRnomem);
2655 END_PROFILE(SMBnttrans);
2659 if (pscnt > state->total_param ||
2660 psoff+pscnt < psoff) {
2664 if (psoff > av_size ||
2666 psoff+pscnt > av_size) {
2670 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2673 state->received_data = dscnt;
2674 state->received_param = pscnt;
2676 if(state->setup_count > 0) {
2677 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2678 state->setup_count));
2679 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2680 if (state->setup == NULL) {
2681 DEBUG(0,("reply_nttrans : Out of memory\n"));
2682 SAFE_FREE(state->data);
2683 SAFE_FREE(state->param);
2685 reply_doserror(req, ERRDOS, ERRnomem);
2686 END_PROFILE(SMBnttrans);
2690 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2691 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2694 if (smb_nt_SetupStart + state->setup_count > size) {
2698 memcpy(state->setup, req->vwv+19, state->setup_count);
2699 dump_data(10, (uint8 *)state->setup, state->setup_count);
2702 if ((state->received_data == state->total_data) &&
2703 (state->received_param == state->total_param)) {
2704 handle_nttrans(conn, state, req);
2705 SAFE_FREE(state->param);
2706 SAFE_FREE(state->data);
2708 END_PROFILE(SMBnttrans);
2712 DLIST_ADD(conn->pending_trans, state);
2714 /* We need to send an interim response then receive the rest
2715 of the parameter/data bytes */
2716 reply_outbuf(req, 0, 0);
2717 show_msg((char *)req->outbuf);
2718 END_PROFILE(SMBnttrans);
2723 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2724 SAFE_FREE(state->data);
2725 SAFE_FREE(state->param);
2727 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2728 END_PROFILE(SMBnttrans);
2732 /****************************************************************************
2733 Reply to a SMBnttranss
2734 ****************************************************************************/
2736 void reply_nttranss(struct smb_request *req)
2738 connection_struct *conn = req->conn;
2739 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2740 struct trans_state *state;
2744 START_PROFILE(SMBnttranss);
2746 show_msg((char *)req->inbuf);
2748 if (req->wct < 18) {
2749 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2750 END_PROFILE(SMBnttranss);
2754 for (state = conn->pending_trans; state != NULL;
2755 state = state->next) {
2756 if (state->mid == req->mid) {
2761 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2762 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2763 END_PROFILE(SMBnttranss);
2767 /* Revise state->total_param and state->total_data in case they have
2768 changed downwards */
2769 if (IVAL(req->vwv+1, 1) < state->total_param) {
2770 state->total_param = IVAL(req->vwv+1, 1);
2772 if (IVAL(req->vwv+3, 1) < state->total_data) {
2773 state->total_data = IVAL(req->vwv+3, 1);
2776 size = smb_len(req->inbuf) + 4;
2777 av_size = smb_len(req->inbuf);
2779 pcnt = IVAL(req->vwv+5, 1);
2780 poff = IVAL(req->vwv+7, 1);
2781 pdisp = IVAL(req->vwv+9, 1);
2783 dcnt = IVAL(req->vwv+11, 1);
2784 doff = IVAL(req->vwv+13, 1);
2785 ddisp = IVAL(req->vwv+15, 1);
2787 state->received_param += pcnt;
2788 state->received_data += dcnt;
2790 if ((state->received_data > state->total_data) ||
2791 (state->received_param > state->total_param))
2795 if (pdisp > state->total_param ||
2796 pcnt > state->total_param ||
2797 pdisp+pcnt > state->total_param ||
2798 pdisp+pcnt < pdisp) {
2802 if (poff > av_size ||
2804 poff+pcnt > av_size ||
2809 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2814 if (ddisp > state->total_data ||
2815 dcnt > state->total_data ||
2816 ddisp+dcnt > state->total_data ||
2817 ddisp+dcnt < ddisp) {
2821 if (doff > av_size ||
2823 doff+dcnt > av_size ||
2828 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2832 if ((state->received_param < state->total_param) ||
2833 (state->received_data < state->total_data)) {
2834 END_PROFILE(SMBnttranss);
2838 handle_nttrans(conn, state, req);
2840 DLIST_REMOVE(conn->pending_trans, state);
2841 SAFE_FREE(state->data);
2842 SAFE_FREE(state->param);
2844 END_PROFILE(SMBnttranss);
2849 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2850 DLIST_REMOVE(conn->pending_trans, state);
2851 SAFE_FREE(state->data);
2852 SAFE_FREE(state->param);
2854 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2855 END_PROFILE(SMBnttranss);