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 * Set total params and data to be sent.
126 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
127 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
130 * Calculate how many parameters and data we can fit into
131 * this packet. Parameters get precedence.
134 params_sent_thistime = MIN(params_to_send,useable_space);
135 data_sent_thistime = useable_space - params_sent_thistime;
136 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
138 SIVAL(req->outbuf, smb_ntr_ParameterCount,
139 params_sent_thistime);
141 if(params_sent_thistime == 0) {
142 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
143 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
146 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
147 * parameter bytes, however the first 4 bytes of outbuf are
148 * the Netbios over TCP header. Thus use smb_base() to subtract
149 * them from the calculation.
152 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
153 ((smb_buf(req->outbuf)+alignment_offset)
154 - smb_base(req->outbuf)));
156 * Absolute displacement of param bytes sent in this packet.
159 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
164 * Deal with the data portion.
167 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
169 if(data_sent_thistime == 0) {
170 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
171 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
174 * The offset of the data bytes is the offset of the
175 * parameter bytes plus the number of parameters being sent this time.
178 SIVAL(req->outbuf, smb_ntr_DataOffset,
179 ((smb_buf(req->outbuf)+alignment_offset) -
180 smb_base(req->outbuf))
181 + params_sent_thistime + data_alignment_offset);
182 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
186 * Copy the param bytes into the packet.
189 if(params_sent_thistime) {
190 if (alignment_offset != 0) {
191 memset(smb_buf(req->outbuf), 0,
194 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
195 params_sent_thistime);
199 * Copy in the data bytes
202 if(data_sent_thistime) {
203 if (data_alignment_offset != 0) {
204 memset((smb_buf(req->outbuf)+alignment_offset+
205 params_sent_thistime), 0,
206 data_alignment_offset);
208 memcpy(smb_buf(req->outbuf)+alignment_offset
209 +params_sent_thistime+data_alignment_offset,
210 pd,data_sent_thistime);
213 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
214 params_sent_thistime, data_sent_thistime, useable_space));
215 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
216 params_to_send, data_to_send, paramsize, datasize));
218 if (NT_STATUS_V(nt_error)) {
219 error_packet_set((char *)req->outbuf,
224 /* Send the packet */
225 show_msg((char *)req->outbuf);
226 if (!srv_send_smb(smbd_server_fd(),
228 IS_CONN_ENCRYPTED(conn))) {
229 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
232 TALLOC_FREE(req->outbuf);
234 pp += params_sent_thistime;
235 pd += data_sent_thistime;
237 params_to_send -= params_sent_thistime;
238 data_to_send -= data_sent_thistime;
244 if(params_to_send < 0 || data_to_send < 0) {
245 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
246 params_to_send, data_to_send));
247 exit_server_cleanly("send_nt_replies: internal error");
252 /****************************************************************************
253 Is it an NTFS stream name ?
254 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
255 $DATA can be used as both a stream name and a stream type. A missing stream
256 name or type implies $DATA.
257 ****************************************************************************/
259 bool is_ntfs_stream_name(const char *fname)
261 if (lp_posix_pathnames()) {
264 return (strchr_m(fname, ':') != NULL) ? True : False;
267 /****************************************************************************
268 Reply to an NT create and X call on a pipe
269 ****************************************************************************/
271 static void nt_open_pipe(char *fname, connection_struct *conn,
272 struct smb_request *req, int *ppnum)
277 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
279 /* Strip \\ off the name. */
282 status = np_open(req, conn, fname, &fsp);
283 if (!NT_STATUS_IS_OK(status)) {
284 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
285 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
289 reply_nterror(req, status);
297 /****************************************************************************
298 Reply to an NT create and X call for pipes.
299 ****************************************************************************/
301 static void do_ntcreate_pipe_open(connection_struct *conn,
302 struct smb_request *req)
307 uint32 flags = IVAL(req->vwv+3, 1);
308 TALLOC_CTX *ctx = talloc_tos();
310 srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
313 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
317 nt_open_pipe(fname, conn, req, &pnum);
325 * Deal with pipe return.
328 if (flags & EXTENDED_RESPONSE_REQUIRED) {
329 /* This is very strange. We
330 * return 50 words, but only set
331 * the wcnt to 42 ? It's definately
332 * what happens on the wire....
334 reply_outbuf(req, 50, 0);
335 SCVAL(req->outbuf,smb_wct,42);
337 reply_outbuf(req, 34, 0);
340 p = (char *)req->outbuf + smb_vwv2;
344 SIVAL(p,0,FILE_WAS_OPENED);
347 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
350 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
352 SSVAL(p,2, 0x5FF); /* ? */
355 if (flags & EXTENDED_RESPONSE_REQUIRED) {
357 SIVAL(p,0,FILE_GENERIC_ALL);
359 * For pipes W2K3 seems to return
361 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
363 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
366 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
371 /****************************************************************************
372 Reply to an NT create and X call.
373 ****************************************************************************/
375 void reply_ntcreate_and_X(struct smb_request *req)
377 connection_struct *conn = req->conn;
381 uint32 file_attributes;
383 uint32 create_disposition;
384 uint32 create_options;
386 uint64_t allocation_size;
387 /* Breakout the oplock request bits so we can set the
388 reply bits separately. */
390 SMB_OFF_T file_len = 0;
391 SMB_STRUCT_STAT sbuf;
393 files_struct *fsp = NULL;
395 struct timespec c_timespec;
396 struct timespec a_timespec;
397 struct timespec m_timespec;
400 uint8_t oplock_granted = NO_OPLOCK_RETURN;
401 TALLOC_CTX *ctx = talloc_tos();
403 START_PROFILE(SMBntcreateX);
406 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
410 flags = IVAL(req->vwv+3, 1);
411 access_mask = IVAL(req->vwv+7, 1);
412 file_attributes = IVAL(req->vwv+13, 1);
413 share_access = IVAL(req->vwv+15, 1);
414 create_disposition = IVAL(req->vwv+17, 1);
415 create_options = IVAL(req->vwv+19, 1);
416 root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
418 allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
419 #ifdef LARGE_SMB_OFF_T
420 allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
423 srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
424 STR_TERMINATE, &status);
426 if (!NT_STATUS_IS_OK(status)) {
427 reply_nterror(req, status);
428 END_PROFILE(SMBntcreateX);
432 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
433 "file_attributes = 0x%x, share_access = 0x%x, "
434 "create_disposition = 0x%x create_options = 0x%x "
435 "root_dir_fid = 0x%x, fname = %s\n",
437 (unsigned int)access_mask,
438 (unsigned int)file_attributes,
439 (unsigned int)share_access,
440 (unsigned int)create_disposition,
441 (unsigned int)create_options,
442 (unsigned int)root_dir_fid,
446 * we need to remove ignored bits when they come directly from the client
447 * because we reuse some of them for internal stuff
449 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
452 * If it's an IPC, use the pipe handler.
456 if (lp_nt_pipe_support()) {
457 do_ntcreate_pipe_open(conn, req);
458 END_PROFILE(SMBntcreateX);
461 reply_doserror(req, ERRDOS, ERRnoaccess);
462 END_PROFILE(SMBntcreateX);
466 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
467 if (oplock_request) {
468 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
472 status = create_file(conn, req, root_dir_fid, fname,
473 access_mask, share_access, create_disposition,
474 create_options, file_attributes, oplock_request,
475 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
477 if (!NT_STATUS_IS_OK(status)) {
478 if (open_was_deferred(req->mid)) {
479 /* We have re-scheduled this call, no error. */
480 END_PROFILE(SMBntcreateX);
483 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
484 reply_botherror(req, status, ERRDOS, ERRfilexists);
487 reply_nterror(req, status);
489 END_PROFILE(SMBntcreateX);
494 * If the caller set the extended oplock request bit
495 * and we granted one (by whatever means) - set the
496 * correct bit for extended oplock reply.
499 if (oplock_request &&
500 (lp_fake_oplocks(SNUM(conn))
501 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
504 * Exclusive oplock granted
507 if (flags & REQUEST_BATCH_OPLOCK) {
508 oplock_granted = BATCH_OPLOCK_RETURN;
510 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
512 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
513 oplock_granted = LEVEL_II_OPLOCK_RETURN;
515 oplock_granted = NO_OPLOCK_RETURN;
518 file_len = sbuf.st_size;
519 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
521 fattr = FILE_ATTRIBUTE_NORMAL;
524 if (flags & EXTENDED_RESPONSE_REQUIRED) {
525 /* This is very strange. We
526 * return 50 words, but only set
527 * the wcnt to 42 ? It's definately
528 * what happens on the wire....
530 reply_outbuf(req, 50, 0);
531 SCVAL(req->outbuf,smb_wct,42);
533 reply_outbuf(req, 34, 0);
536 p = (char *)req->outbuf + smb_vwv2;
538 SCVAL(p, 0, oplock_granted);
541 SSVAL(p,0,fsp->fnum);
543 if ((create_disposition == FILE_SUPERSEDE)
544 && (info == FILE_WAS_OVERWRITTEN)) {
545 SIVAL(p,0,FILE_WAS_SUPERSEDED);
552 c_timespec = get_create_timespec(
553 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
554 a_timespec = get_atimespec(&sbuf);
555 m_timespec = get_mtimespec(&sbuf);
557 if (lp_dos_filetime_resolution(SNUM(conn))) {
558 dos_filetime_timespec(&c_timespec);
559 dos_filetime_timespec(&a_timespec);
560 dos_filetime_timespec(&m_timespec);
563 put_long_date_timespec(p, c_timespec); /* create time. */
565 put_long_date_timespec(p, a_timespec); /* access time */
567 put_long_date_timespec(p, m_timespec); /* write time */
569 put_long_date_timespec(p, m_timespec); /* change time */
571 SIVAL(p,0,fattr); /* File Attributes. */
573 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
575 SOFF_T(p,0,file_len);
577 if (flags & EXTENDED_RESPONSE_REQUIRED) {
581 SCVAL(p,0,fsp->is_directory ? 1 : 0);
583 if (flags & EXTENDED_RESPONSE_REQUIRED) {
586 if (fsp->is_directory
587 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
588 perms = FILE_GENERIC_ALL;
590 perms = FILE_GENERIC_READ|FILE_EXECUTE;
595 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
596 fsp->fnum, fsp->fsp_name));
599 END_PROFILE(SMBntcreateX);
603 /****************************************************************************
604 Reply to a NT_TRANSACT_CREATE call to open a pipe.
605 ****************************************************************************/
607 static void do_nt_transact_create_pipe(connection_struct *conn,
608 struct smb_request *req,
609 uint16 **ppsetup, uint32 setup_count,
610 char **ppparams, uint32 parameter_count,
611 char **ppdata, uint32 data_count)
614 char *params = *ppparams;
620 TALLOC_CTX *ctx = talloc_tos();
623 * Ensure minimum number of parameters sent.
626 if(parameter_count < 54) {
627 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
628 reply_doserror(req, ERRDOS, ERRnoaccess);
632 flags = IVAL(params,0);
634 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
635 parameter_count-53, STR_TERMINATE,
637 if (!NT_STATUS_IS_OK(status)) {
638 reply_nterror(req, status);
642 nt_open_pipe(fname, conn, req, &pnum);
649 /* Realloc the size of parameters and data we will return */
650 if (flags & EXTENDED_RESPONSE_REQUIRED) {
651 /* Extended response is 32 more byyes. */
656 params = nttrans_realloc(ppparams, param_len);
658 reply_doserror(req, ERRDOS, ERRnomem);
663 SCVAL(p,0,NO_OPLOCK_RETURN);
668 SIVAL(p,0,FILE_WAS_OPENED);
672 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
675 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
677 SSVAL(p,2, 0x5FF); /* ? */
680 if (flags & EXTENDED_RESPONSE_REQUIRED) {
682 SIVAL(p,0,FILE_GENERIC_ALL);
684 * For pipes W2K3 seems to return
686 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
688 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
691 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
693 /* Send the required number of replies */
694 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
699 /****************************************************************************
700 Internal fn to set security descriptors.
701 ****************************************************************************/
703 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
704 uint32 security_info_sent)
706 SEC_DESC *psd = NULL;
709 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
713 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
715 if (!NT_STATUS_IS_OK(status)) {
719 if (psd->owner_sid==0) {
720 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
722 if (psd->group_sid==0) {
723 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
726 security_info_sent &= ~SACL_SECURITY_INFORMATION;
728 if (security_info_sent & DACL_SECURITY_INFORMATION) {
729 psd->type |= SEC_DESC_DACL_PRESENT;
732 security_info_sent &= ~DACL_SECURITY_INFORMATION;
735 /* Convert all the generic bits. */
736 security_acl_map_generic(psd->dacl, &file_generic_mapping);
737 security_acl_map_generic(psd->sacl, &file_generic_mapping);
739 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
746 /****************************************************************************
747 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
748 ****************************************************************************/
750 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
752 struct ea_list *ea_list_head = NULL;
759 while (offset + 4 <= data_size) {
760 size_t next_offset = IVAL(pdata,offset);
761 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
767 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
768 if (next_offset == 0) {
771 offset += next_offset;
777 /****************************************************************************
778 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
779 ****************************************************************************/
781 static void call_nt_transact_create(connection_struct *conn,
782 struct smb_request *req,
783 uint16 **ppsetup, uint32 setup_count,
784 char **ppparams, uint32 parameter_count,
785 char **ppdata, uint32 data_count,
786 uint32 max_data_count)
789 char *params = *ppparams;
790 char *data = *ppdata;
791 /* Breakout the oplock request bits so we can set the reply bits separately. */
793 SMB_OFF_T file_len = 0;
794 SMB_STRUCT_STAT sbuf;
796 files_struct *fsp = NULL;
800 uint32 file_attributes;
802 uint32 create_disposition;
803 uint32 create_options;
805 struct security_descriptor *sd = NULL;
808 struct timespec c_timespec;
809 struct timespec a_timespec;
810 struct timespec m_timespec;
811 struct ea_list *ea_list = NULL;
814 uint64_t allocation_size;
816 uint8_t oplock_granted;
817 TALLOC_CTX *ctx = talloc_tos();
819 DEBUG(5,("call_nt_transact_create\n"));
822 * If it's an IPC, use the pipe handler.
826 if (lp_nt_pipe_support()) {
827 do_nt_transact_create_pipe(
829 ppsetup, setup_count,
830 ppparams, parameter_count,
834 reply_doserror(req, ERRDOS, ERRnoaccess);
839 * Ensure minimum number of parameters sent.
842 if(parameter_count < 54) {
843 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
844 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
848 flags = IVAL(params,0);
849 access_mask = IVAL(params,8);
850 file_attributes = IVAL(params,20);
851 share_access = IVAL(params,24);
852 create_disposition = IVAL(params,28);
853 create_options = IVAL(params,32);
854 sd_len = IVAL(params,36);
855 ea_len = IVAL(params,40);
856 root_dir_fid = (uint16)IVAL(params,4);
857 allocation_size = (uint64_t)IVAL(params,12);
858 #ifdef LARGE_SMB_OFF_T
859 allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
863 * we need to remove ignored bits when they come directly from the client
864 * because we reuse some of them for internal stuff
866 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
868 /* Ensure the data_len is correct for the sd and ea values given. */
869 if ((ea_len + sd_len > data_count)
870 || (ea_len > data_count) || (sd_len > data_count)
871 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
872 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
873 "%u, data_count = %u\n", (unsigned int)ea_len,
874 (unsigned int)sd_len, (unsigned int)data_count));
875 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
880 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
883 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
885 if (!NT_STATUS_IS_OK(status)) {
886 DEBUG(10, ("call_nt_transact_create: "
887 "unmarshall_sec_desc failed: %s\n",
889 reply_nterror(req, status);
895 if (!lp_ea_support(SNUM(conn))) {
896 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
897 "EA's not supported.\n",
898 (unsigned int)ea_len));
899 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
904 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
905 "too small (should be more than 10)\n",
906 (unsigned int)ea_len ));
907 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
911 /* We have already checked that ea_len <= data_count here. */
912 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
914 if (ea_list == NULL) {
915 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
920 srvstr_get_path(ctx, params, req->flags2, &fname,
921 params+53, parameter_count-53,
922 STR_TERMINATE, &status);
923 if (!NT_STATUS_IS_OK(status)) {
924 reply_nterror(req, status);
928 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
929 if (oplock_request) {
930 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
934 status = create_file(conn, req, root_dir_fid, fname,
935 access_mask, share_access, create_disposition,
936 create_options, file_attributes, oplock_request,
937 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
939 if(!NT_STATUS_IS_OK(status)) {
940 if (open_was_deferred(req->mid)) {
941 /* We have re-scheduled this call, no error. */
944 reply_openerror(req, status);
949 * If the caller set the extended oplock request bit
950 * and we granted one (by whatever means) - set the
951 * correct bit for extended oplock reply.
954 if (oplock_request &&
955 (lp_fake_oplocks(SNUM(conn))
956 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
959 * Exclusive oplock granted
962 if (flags & REQUEST_BATCH_OPLOCK) {
963 oplock_granted = BATCH_OPLOCK_RETURN;
965 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
967 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
968 oplock_granted = LEVEL_II_OPLOCK_RETURN;
970 oplock_granted = NO_OPLOCK_RETURN;
973 file_len = sbuf.st_size;
974 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
976 fattr = FILE_ATTRIBUTE_NORMAL;
979 /* Realloc the size of parameters and data we will return */
980 if (flags & EXTENDED_RESPONSE_REQUIRED) {
981 /* Extended response is 32 more byyes. */
986 params = nttrans_realloc(ppparams, param_len);
988 reply_doserror(req, ERRDOS, ERRnomem);
993 SCVAL(p, 0, oplock_granted);
996 SSVAL(p,0,fsp->fnum);
998 if ((create_disposition == FILE_SUPERSEDE)
999 && (info == FILE_WAS_OVERWRITTEN)) {
1000 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1007 c_timespec = get_create_timespec(
1008 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1009 a_timespec = get_atimespec(&sbuf);
1010 m_timespec = get_mtimespec(&sbuf);
1012 if (lp_dos_filetime_resolution(SNUM(conn))) {
1013 dos_filetime_timespec(&c_timespec);
1014 dos_filetime_timespec(&a_timespec);
1015 dos_filetime_timespec(&m_timespec);
1018 put_long_date_timespec(p, c_timespec); /* create time. */
1020 put_long_date_timespec(p, a_timespec); /* access time */
1022 put_long_date_timespec(p, m_timespec); /* write time */
1024 put_long_date_timespec(p, m_timespec); /* change time */
1026 SIVAL(p,0,fattr); /* File Attributes. */
1028 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1030 SOFF_T(p,0,file_len);
1032 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1036 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1038 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1041 if (fsp->is_directory
1042 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1043 perms = FILE_GENERIC_ALL;
1045 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1050 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1052 /* Send the required number of replies */
1053 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1058 /****************************************************************************
1059 Reply to a NT CANCEL request.
1060 conn POINTER CAN BE NULL HERE !
1061 ****************************************************************************/
1063 void reply_ntcancel(struct smb_request *req)
1066 * Go through and cancel any pending change notifies.
1069 START_PROFILE(SMBntcancel);
1070 remove_pending_change_notify_requests_by_mid(req->mid);
1071 remove_pending_lock_requests_by_mid(req->mid);
1072 srv_cancel_sign_response(req->mid);
1074 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1076 END_PROFILE(SMBntcancel);
1080 /****************************************************************************
1082 ****************************************************************************/
1084 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1085 connection_struct *conn,
1086 struct smb_request *req,
1087 const char *oldname_in,
1088 const char *newname_in,
1091 SMB_STRUCT_STAT sbuf1, sbuf2;
1092 char *oldname = NULL;
1093 char *newname = NULL;
1094 char *last_component_oldname = NULL;
1095 char *last_component_newname = NULL;
1096 files_struct *fsp1,*fsp2;
1100 NTSTATUS status = NT_STATUS_OK;
1105 if (!CAN_WRITE(conn)) {
1106 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1109 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1110 &last_component_oldname, &sbuf1);
1111 if (!NT_STATUS_IS_OK(status)) {
1115 status = check_name(conn, oldname);
1116 if (!NT_STATUS_IS_OK(status)) {
1120 /* Source must already exist. */
1121 if (!VALID_STAT(sbuf1)) {
1122 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1124 /* Ensure attributes match. */
1125 fattr = dos_mode(conn,oldname,&sbuf1);
1126 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1127 return NT_STATUS_NO_SUCH_FILE;
1130 status = unix_convert(ctx, conn, newname_in, False, &newname,
1131 &last_component_newname, &sbuf2);
1132 if (!NT_STATUS_IS_OK(status)) {
1136 status = check_name(conn, newname);
1137 if (!NT_STATUS_IS_OK(status)) {
1141 /* Disallow if newname already exists. */
1142 if (VALID_STAT(sbuf2)) {
1143 return NT_STATUS_OBJECT_NAME_COLLISION;
1146 /* No links from a directory. */
1147 if (S_ISDIR(sbuf1.st_mode)) {
1148 return NT_STATUS_FILE_IS_A_DIRECTORY;
1151 /* Ensure this is within the share. */
1152 status = check_reduced_name(conn, oldname);
1153 if (!NT_STATUS_IS_OK(status)) {
1157 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1160 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1161 FILE_READ_DATA, /* Read-only. */
1162 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1164 0, /* No create options. */
1165 FILE_ATTRIBUTE_NORMAL,
1169 if (!NT_STATUS_IS_OK(status)) {
1173 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1174 FILE_WRITE_DATA, /* Read-only. */
1175 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1177 0, /* No create options. */
1182 if (!NT_STATUS_IS_OK(status)) {
1183 close_file(NULL, fsp1, ERROR_CLOSE);
1187 if (sbuf1.st_size) {
1188 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1192 * As we are opening fsp1 read-only we only expect
1193 * an error on close on fsp2 if we are out of space.
1194 * Thus we don't look at the error return from the
1197 close_file(NULL, fsp1, NORMAL_CLOSE);
1199 /* Ensure the modtime is set correctly on the destination file. */
1200 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1202 status = close_file(NULL, fsp2, NORMAL_CLOSE);
1204 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1205 creates the file. This isn't the correct thing to do in the copy
1207 file_set_dosmode(conn, newname, fattr, &sbuf2,
1208 parent_dirname(newname),false);
1210 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1211 return NT_STATUS_DISK_FULL;
1214 if (!NT_STATUS_IS_OK(status)) {
1215 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1216 nt_errstr(status), oldname, newname));
1221 /****************************************************************************
1222 Reply to a NT rename request.
1223 ****************************************************************************/
1225 void reply_ntrename(struct smb_request *req)
1227 connection_struct *conn = req->conn;
1228 char *oldname = NULL;
1229 char *newname = NULL;
1232 bool src_has_wcard = False;
1233 bool dest_has_wcard = False;
1236 TALLOC_CTX *ctx = talloc_tos();
1238 START_PROFILE(SMBntrename);
1241 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1242 END_PROFILE(SMBntrename);
1246 attrs = SVAL(req->vwv+0, 0);
1247 rename_type = SVAL(req->vwv+1, 0);
1249 p = (const char *)req->buf + 1;
1250 p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1251 &status, &src_has_wcard);
1252 if (!NT_STATUS_IS_OK(status)) {
1253 reply_nterror(req, status);
1254 END_PROFILE(SMBntrename);
1258 if( is_ntfs_stream_name(oldname)) {
1259 /* Can't rename a stream. */
1260 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1261 END_PROFILE(SMBntrename);
1265 if (ms_has_wild(oldname)) {
1266 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1267 END_PROFILE(SMBntrename);
1272 p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1273 &status, &dest_has_wcard);
1274 if (!NT_STATUS_IS_OK(status)) {
1275 reply_nterror(req, status);
1276 END_PROFILE(SMBntrename);
1280 status = resolve_dfspath(ctx, conn,
1281 req->flags2 & FLAGS2_DFS_PATHNAMES,
1284 if (!NT_STATUS_IS_OK(status)) {
1285 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1286 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1287 ERRSRV, ERRbadpath);
1288 END_PROFILE(SMBntrename);
1291 reply_nterror(req, status);
1292 END_PROFILE(SMBntrename);
1296 status = resolve_dfspath(ctx, conn,
1297 req->flags2 & FLAGS2_DFS_PATHNAMES,
1300 if (!NT_STATUS_IS_OK(status)) {
1301 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1302 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1303 ERRSRV, ERRbadpath);
1304 END_PROFILE(SMBntrename);
1307 reply_nterror(req, status);
1308 END_PROFILE(SMBntrename);
1312 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1314 switch(rename_type) {
1315 case RENAME_FLAG_RENAME:
1316 status = rename_internals(ctx, conn, req, oldname,
1317 newname, attrs, False, src_has_wcard,
1318 dest_has_wcard, DELETE_ACCESS);
1320 case RENAME_FLAG_HARD_LINK:
1321 if (src_has_wcard || dest_has_wcard) {
1323 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1325 status = hardlink_internals(ctx,
1331 case RENAME_FLAG_COPY:
1332 if (src_has_wcard || dest_has_wcard) {
1334 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1336 status = copy_internals(ctx, conn, req, oldname,
1340 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1341 status = NT_STATUS_INVALID_PARAMETER;
1344 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1348 if (!NT_STATUS_IS_OK(status)) {
1349 if (open_was_deferred(req->mid)) {
1350 /* We have re-scheduled this call. */
1351 END_PROFILE(SMBntrename);
1355 reply_nterror(req, status);
1356 END_PROFILE(SMBntrename);
1360 reply_outbuf(req, 0, 0);
1362 END_PROFILE(SMBntrename);
1366 /****************************************************************************
1367 Reply to a notify change - queue the request and
1368 don't allow a directory to be opened.
1369 ****************************************************************************/
1371 static void call_nt_transact_notify_change(connection_struct *conn,
1372 struct smb_request *req,
1376 uint32 parameter_count,
1377 char **ppdata, uint32 data_count,
1378 uint32 max_data_count,
1379 uint32 max_param_count)
1381 uint16 *setup = *ppsetup;
1387 if(setup_count < 6) {
1388 reply_doserror(req, ERRDOS, ERRbadfunc);
1392 fsp = file_fsp(req, SVAL(setup,4));
1393 filter = IVAL(setup, 0);
1394 recursive = (SVAL(setup, 6) != 0) ? True : False;
1396 DEBUG(3,("call_nt_transact_notify_change\n"));
1399 reply_doserror(req, ERRDOS, ERRbadfid);
1404 char *filter_string;
1406 if (!(filter_string = notify_filter_string(NULL, filter))) {
1407 reply_nterror(req,NT_STATUS_NO_MEMORY);
1411 DEBUG(3,("call_nt_transact_notify_change: notify change "
1412 "called on %s, filter = %s, recursive = %d\n",
1413 fsp->fsp_name, filter_string, recursive));
1415 TALLOC_FREE(filter_string);
1418 if((!fsp->is_directory) || (conn != fsp->conn)) {
1419 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1423 if (fsp->notify == NULL) {
1425 status = change_notify_create(fsp, filter, recursive);
1427 if (!NT_STATUS_IS_OK(status)) {
1428 DEBUG(10, ("change_notify_create returned %s\n",
1429 nt_errstr(status)));
1430 reply_nterror(req, status);
1435 if (fsp->notify->num_changes != 0) {
1438 * We've got changes pending, respond immediately
1442 * TODO: write a torture test to check the filtering behaviour
1446 change_notify_reply(fsp->conn, req, max_param_count,
1450 * change_notify_reply() above has independently sent its
1457 * No changes pending, queue the request
1460 status = change_notify_add_request(req,
1464 if (!NT_STATUS_IS_OK(status)) {
1465 reply_nterror(req, status);
1470 /****************************************************************************
1471 Reply to an NT transact rename command.
1472 ****************************************************************************/
1474 static void call_nt_transact_rename(connection_struct *conn,
1475 struct smb_request *req,
1476 uint16 **ppsetup, uint32 setup_count,
1477 char **ppparams, uint32 parameter_count,
1478 char **ppdata, uint32 data_count,
1479 uint32 max_data_count)
1481 char *params = *ppparams;
1482 char *new_name = NULL;
1483 files_struct *fsp = NULL;
1484 bool dest_has_wcard = False;
1486 TALLOC_CTX *ctx = talloc_tos();
1488 if(parameter_count < 5) {
1489 reply_doserror(req, ERRDOS, ERRbadfunc);
1493 fsp = file_fsp(req, SVAL(params, 0));
1494 if (!check_fsp(conn, req, fsp)) {
1497 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1498 parameter_count - 4,
1499 STR_TERMINATE, &status, &dest_has_wcard);
1500 if (!NT_STATUS_IS_OK(status)) {
1501 reply_nterror(req, status);
1506 * W2K3 ignores this request as the RAW-RENAME test
1507 * demonstrates, so we do.
1509 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1511 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1512 fsp->fsp_name, new_name));
1517 /******************************************************************************
1518 Fake up a completely empty SD.
1519 *******************************************************************************/
1521 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1525 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1527 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1528 return NT_STATUS_NO_MEMORY;
1531 return NT_STATUS_OK;
1534 /****************************************************************************
1535 Reply to query a security descriptor.
1536 ****************************************************************************/
1538 static void call_nt_transact_query_security_desc(connection_struct *conn,
1539 struct smb_request *req,
1543 uint32 parameter_count,
1546 uint32 max_data_count)
1548 char *params = *ppparams;
1549 char *data = *ppdata;
1550 SEC_DESC *psd = NULL;
1552 uint32 security_info_wanted;
1553 files_struct *fsp = NULL;
1557 if(parameter_count < 8) {
1558 reply_doserror(req, ERRDOS, ERRbadfunc);
1562 fsp = file_fsp(req, SVAL(params,0));
1564 reply_doserror(req, ERRDOS, ERRbadfid);
1568 security_info_wanted = IVAL(params,4);
1570 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1571 (unsigned int)security_info_wanted ));
1573 params = nttrans_realloc(ppparams, 4);
1574 if(params == NULL) {
1575 reply_doserror(req, ERRDOS, ERRnomem);
1580 * Get the permissions to return.
1583 if (!lp_nt_acl_support(SNUM(conn))) {
1584 status = get_null_nt_acl(talloc_tos(), &psd);
1586 status = SMB_VFS_FGET_NT_ACL(
1587 fsp, security_info_wanted, &psd);
1590 if (!NT_STATUS_IS_OK(status)) {
1591 reply_nterror(req, status);
1595 sd_size = ndr_size_security_descriptor(psd, 0);
1597 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1599 SIVAL(params,0,(uint32)sd_size);
1601 if (max_data_count < sd_size) {
1602 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1603 params, 4, *ppdata, 0);
1608 * Allocate the data we will point this at.
1611 data = nttrans_realloc(ppdata, sd_size);
1613 reply_doserror(req, ERRDOS, ERRnomem);
1617 status = marshall_sec_desc(talloc_tos(), psd,
1618 &blob.data, &blob.length);
1620 if (!NT_STATUS_IS_OK(status)) {
1621 reply_nterror(req, status);
1625 SMB_ASSERT(sd_size == blob.length);
1626 memcpy(data, blob.data, sd_size);
1628 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1633 /****************************************************************************
1634 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1635 ****************************************************************************/
1637 static void call_nt_transact_set_security_desc(connection_struct *conn,
1638 struct smb_request *req,
1642 uint32 parameter_count,
1645 uint32 max_data_count)
1647 char *params= *ppparams;
1648 char *data = *ppdata;
1649 files_struct *fsp = NULL;
1650 uint32 security_info_sent = 0;
1653 if(parameter_count < 8) {
1654 reply_doserror(req, ERRDOS, ERRbadfunc);
1658 if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1659 reply_doserror(req, ERRDOS, ERRbadfid);
1663 if(!lp_nt_acl_support(SNUM(conn))) {
1667 security_info_sent = IVAL(params,4);
1669 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1670 (unsigned int)security_info_sent ));
1672 if (data_count == 0) {
1673 reply_doserror(req, ERRDOS, ERRnoaccess);
1677 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1679 if (!NT_STATUS_IS_OK(status)) {
1680 reply_nterror(req, status);
1685 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1689 /****************************************************************************
1691 ****************************************************************************/
1693 static void call_nt_transact_ioctl(connection_struct *conn,
1694 struct smb_request *req,
1695 uint16 **ppsetup, uint32 setup_count,
1696 char **ppparams, uint32 parameter_count,
1697 char **ppdata, uint32 data_count,
1698 uint32 max_data_count)
1705 static bool logged_message;
1706 char *pdata = *ppdata;
1708 if (setup_count != 8) {
1709 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1710 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1714 function = IVAL(*ppsetup, 0);
1715 fidnum = SVAL(*ppsetup, 4);
1716 isFSctl = CVAL(*ppsetup, 6);
1717 compfilter = CVAL(*ppsetup, 7);
1719 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1720 function, fidnum, isFSctl, compfilter));
1722 fsp=file_fsp(req, fidnum);
1723 /* this check is done in each implemented function case for now
1724 because I don't want to break anything... --metze
1725 FSP_BELONGS_CONN(fsp,conn);*/
1728 case FSCTL_SET_SPARSE:
1729 /* pretend this succeeded - tho strictly we should
1730 mark the file sparse (if the local fs supports it)
1731 so we can know if we need to pre-allocate or not */
1733 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1734 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1737 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1739 unsigned char objid[16];
1741 /* This should return the object-id on this file.
1742 * I think I'll make this be the inode+dev. JRA.
1745 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1747 if (!fsp_belongs_conn(conn, req, fsp)) {
1752 pdata = nttrans_realloc(ppdata, data_count);
1753 if (pdata == NULL) {
1754 reply_nterror(req, NT_STATUS_NO_MEMORY);
1757 push_file_id_16(pdata, &fsp->file_id);
1758 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1759 push_file_id_16(pdata+32, &fsp->file_id);
1760 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1765 case FSCTL_GET_REPARSE_POINT:
1766 /* pretend this fail - my winXP does it like this
1770 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1771 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1774 case FSCTL_SET_REPARSE_POINT:
1775 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1779 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1780 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1783 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1786 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1787 * and return their volume names. If max_data_count is 16, then it is just
1788 * asking for the number of volumes and length of the combined names.
1790 * pdata is the data allocated by our caller, but that uses
1791 * total_data_count (which is 0 in our case) rather than max_data_count.
1792 * Allocate the correct amount and return the pointer to let
1793 * it be deallocated when we return.
1795 SHADOW_COPY_DATA *shadow_data = NULL;
1796 TALLOC_CTX *shadow_mem_ctx = NULL;
1797 bool labels = False;
1798 uint32 labels_data_count = 0;
1802 if (!fsp_belongs_conn(conn, req, fsp)) {
1806 if (max_data_count < 16) {
1807 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1809 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1813 if (max_data_count > 16) {
1817 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1818 if (shadow_mem_ctx == NULL) {
1819 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1820 reply_nterror(req, NT_STATUS_NO_MEMORY);
1824 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1825 if (shadow_data == NULL) {
1826 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1827 talloc_destroy(shadow_mem_ctx);
1828 reply_nterror(req, NT_STATUS_NO_MEMORY);
1832 shadow_data->mem_ctx = shadow_mem_ctx;
1835 * Call the VFS routine to actually do the work.
1837 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1838 talloc_destroy(shadow_data->mem_ctx);
1839 if (errno == ENOSYS) {
1840 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1841 conn->connectpath));
1842 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1845 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1846 conn->connectpath));
1847 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1852 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1857 data_count = 12+labels_data_count+4;
1860 if (max_data_count<data_count) {
1861 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1862 max_data_count,data_count));
1863 talloc_destroy(shadow_data->mem_ctx);
1864 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1868 pdata = nttrans_realloc(ppdata, data_count);
1869 if (pdata == NULL) {
1870 talloc_destroy(shadow_data->mem_ctx);
1871 reply_nterror(req, NT_STATUS_NO_MEMORY);
1877 /* num_volumes 4 bytes */
1878 SIVAL(pdata,0,shadow_data->num_volumes);
1881 /* num_labels 4 bytes */
1882 SIVAL(pdata,4,shadow_data->num_volumes);
1885 /* needed_data_count 4 bytes */
1886 SIVAL(pdata,8,labels_data_count);
1890 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1891 shadow_data->num_volumes,fsp->fsp_name));
1892 if (labels && shadow_data->labels) {
1893 for (i=0;i<shadow_data->num_volumes;i++) {
1894 srvstr_push(pdata, req->flags2,
1895 cur_pdata, shadow_data->labels[i],
1896 2*sizeof(SHADOW_COPY_LABEL),
1897 STR_UNICODE|STR_TERMINATE);
1898 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1899 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1903 talloc_destroy(shadow_data->mem_ctx);
1905 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1911 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1913 /* pretend this succeeded -
1915 * we have to send back a list with all files owned by this SID
1917 * but I have to check that --metze
1921 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1923 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1925 if (!fsp_belongs_conn(conn, req, fsp)) {
1929 /* unknown 4 bytes: this is not the length of the sid :-( */
1930 /*unknown = IVAL(pdata,0);*/
1932 sid_parse(pdata+4,sid_len,&sid);
1933 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1935 if (!sid_to_uid(&sid, &uid)) {
1936 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1937 sid_string_dbg(&sid),
1938 (unsigned long)sid_len));
1942 /* we can take a look at the find source :-)
1944 * find ./ -uid $uid -name '*' is what we need here
1947 * and send 4bytes len and then NULL terminated unicode strings
1950 * but I don't know how to deal with the paged results
1951 * (maybe we can hang the result anywhere in the fsp struct)
1953 * we don't send all files at once
1954 * and at the next we should *not* start from the beginning,
1955 * so we have to cache the result
1960 /* this works for now... */
1961 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1965 if (!logged_message) {
1966 logged_message = True; /* Only print this once... */
1967 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1972 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1976 #ifdef HAVE_SYS_QUOTAS
1977 /****************************************************************************
1978 Reply to get user quota
1979 ****************************************************************************/
1981 static void call_nt_transact_get_user_quota(connection_struct *conn,
1982 struct smb_request *req,
1986 uint32 parameter_count,
1989 uint32 max_data_count)
1991 NTSTATUS nt_status = NT_STATUS_OK;
1992 char *params = *ppparams;
1993 char *pdata = *ppdata;
1995 int data_len=0,param_len=0;
1998 files_struct *fsp = NULL;
2002 bool start_enum = True;
2003 SMB_NTQUOTA_STRUCT qt;
2004 SMB_NTQUOTA_LIST *tmp_list;
2005 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2010 if (conn->server_info->utok.uid != 0) {
2011 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2012 "[%s]\n", lp_servicename(SNUM(conn)),
2013 conn->server_info->unix_name));
2014 reply_doserror(req, ERRDOS, ERRnoaccess);
2019 * Ensure minimum number of parameters sent.
2022 if (parameter_count < 4) {
2023 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2024 reply_doserror(req, ERRDOS, ERRinvalidparam);
2028 /* maybe we can check the quota_fnum */
2029 fsp = file_fsp(req, SVAL(params,0));
2030 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2031 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2032 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2036 /* the NULL pointer checking for fsp->fake_file_handle->pd
2037 * is done by CHECK_NTQUOTA_HANDLE_OK()
2039 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2041 level = SVAL(params,2);
2043 /* unknown 12 bytes leading in params */
2046 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2047 /* seems that we should continue with the enum here --metze */
2049 if (qt_handle->quota_list!=NULL &&
2050 qt_handle->tmp_list==NULL) {
2053 free_ntquota_list(&(qt_handle->quota_list));
2055 /* Realloc the size of parameters and data we will return */
2057 params = nttrans_realloc(ppparams, param_len);
2058 if(params == NULL) {
2059 reply_doserror(req, ERRDOS, ERRnomem);
2064 SIVAL(params,0,data_len);
2071 case TRANSACT_GET_USER_QUOTA_LIST_START:
2073 if (qt_handle->quota_list==NULL &&
2074 qt_handle->tmp_list==NULL) {
2078 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2079 reply_doserror(req, ERRSRV, ERRerror);
2083 /* Realloc the size of parameters and data we will return */
2085 params = nttrans_realloc(ppparams, param_len);
2086 if(params == NULL) {
2087 reply_doserror(req, ERRDOS, ERRnomem);
2091 /* we should not trust the value in max_data_count*/
2092 max_data_count = MIN(max_data_count,2048);
2094 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2096 reply_doserror(req, ERRDOS, ERRnomem);
2102 /* set params Size of returned Quota Data 4 bytes*/
2103 /* but set it later when we know it */
2105 /* for each entry push the data */
2108 qt_handle->tmp_list = qt_handle->quota_list;
2111 tmp_list = qt_handle->tmp_list;
2113 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2114 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2116 sid_len = ndr_size_dom_sid(
2117 &tmp_list->quotas->sid, 0);
2118 entry_len = 40 + sid_len;
2120 /* nextoffset entry 4 bytes */
2121 SIVAL(entry,0,entry_len);
2123 /* then the len of the SID 4 bytes */
2124 SIVAL(entry,4,sid_len);
2126 /* unknown data 8 bytes uint64_t */
2127 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2129 /* the used disk space 8 bytes uint64_t */
2130 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2132 /* the soft quotas 8 bytes uint64_t */
2133 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2135 /* the hard quotas 8 bytes uint64_t */
2136 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2138 /* and now the SID */
2139 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2142 qt_handle->tmp_list = tmp_list;
2144 /* overwrite the offset of the last entry */
2145 SIVAL(entry-entry_len,0,0);
2147 data_len = 4+qt_len;
2148 /* overwrite the params quota_data_len */
2149 SIVAL(params,0,data_len);
2153 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2155 /* unknown 4 bytes IVAL(pdata,0) */
2157 if (data_count < 8) {
2158 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2159 reply_doserror(req, ERRDOS, ERRunknownlevel);
2163 sid_len = IVAL(pdata,4);
2164 /* Ensure this is less than 1mb. */
2165 if (sid_len > (1024*1024)) {
2166 reply_doserror(req, ERRDOS, ERRnomem);
2170 if (data_count < 8+sid_len) {
2171 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2172 reply_doserror(req, ERRDOS, ERRunknownlevel);
2176 data_len = 4+40+sid_len;
2178 if (max_data_count < data_len) {
2179 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2180 max_data_count, data_len));
2182 SIVAL(params,0,data_len);
2184 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2188 sid_parse(pdata+8,sid_len,&sid);
2190 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2193 * we have to return zero's in all fields
2194 * instead of returning an error here
2199 /* Realloc the size of parameters and data we will return */
2201 params = nttrans_realloc(ppparams, param_len);
2202 if(params == NULL) {
2203 reply_doserror(req, ERRDOS, ERRnomem);
2207 pdata = nttrans_realloc(ppdata, data_len);
2209 reply_doserror(req, ERRDOS, ERRnomem);
2215 /* set params Size of returned Quota Data 4 bytes*/
2216 SIVAL(params,0,data_len);
2218 /* nextoffset entry 4 bytes */
2221 /* then the len of the SID 4 bytes */
2222 SIVAL(entry,4,sid_len);
2224 /* unknown data 8 bytes uint64_t */
2225 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2227 /* the used disk space 8 bytes uint64_t */
2228 SBIG_UINT(entry,16,qt.usedspace);
2230 /* the soft quotas 8 bytes uint64_t */
2231 SBIG_UINT(entry,24,qt.softlim);
2233 /* the hard quotas 8 bytes uint64_t */
2234 SBIG_UINT(entry,32,qt.hardlim);
2236 /* and now the SID */
2237 sid_linearize(entry+40, sid_len, &sid);
2242 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2243 reply_doserror(req, ERRSRV, ERRerror);
2248 send_nt_replies(conn, req, nt_status, params, param_len,
2252 /****************************************************************************
2253 Reply to set user quota
2254 ****************************************************************************/
2256 static void call_nt_transact_set_user_quota(connection_struct *conn,
2257 struct smb_request *req,
2261 uint32 parameter_count,
2264 uint32 max_data_count)
2266 char *params = *ppparams;
2267 char *pdata = *ppdata;
2268 int data_len=0,param_len=0;
2269 SMB_NTQUOTA_STRUCT qt;
2272 files_struct *fsp = NULL;
2277 if (conn->server_info->utok.uid != 0) {
2278 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2279 "[%s]\n", lp_servicename(SNUM(conn)),
2280 conn->server_info->unix_name));
2281 reply_doserror(req, ERRDOS, ERRnoaccess);
2286 * Ensure minimum number of parameters sent.
2289 if (parameter_count < 2) {
2290 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2291 reply_doserror(req, ERRDOS, ERRinvalidparam);
2295 /* maybe we can check the quota_fnum */
2296 fsp = file_fsp(req, SVAL(params,0));
2297 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2298 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2299 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2303 if (data_count < 40) {
2304 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2305 reply_doserror(req, ERRDOS, ERRunknownlevel);
2309 /* offset to next quota record.
2310 * 4 bytes IVAL(pdata,0)
2315 sid_len = IVAL(pdata,4);
2317 if (data_count < 40+sid_len) {
2318 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2319 reply_doserror(req, ERRDOS, ERRunknownlevel);
2323 /* unknown 8 bytes in pdata
2324 * maybe its the change time in NTTIME
2327 /* the used space 8 bytes (uint64_t)*/
2328 qt.usedspace = (uint64_t)IVAL(pdata,16);
2329 #ifdef LARGE_SMB_OFF_T
2330 qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2331 #else /* LARGE_SMB_OFF_T */
2332 if ((IVAL(pdata,20) != 0)&&
2333 ((qt.usedspace != 0xFFFFFFFF)||
2334 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2335 /* more than 32 bits? */
2336 reply_doserror(req, ERRDOS, ERRunknownlevel);
2339 #endif /* LARGE_SMB_OFF_T */
2341 /* the soft quotas 8 bytes (uint64_t)*/
2342 qt.softlim = (uint64_t)IVAL(pdata,24);
2343 #ifdef LARGE_SMB_OFF_T
2344 qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2345 #else /* LARGE_SMB_OFF_T */
2346 if ((IVAL(pdata,28) != 0)&&
2347 ((qt.softlim != 0xFFFFFFFF)||
2348 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2349 /* more than 32 bits? */
2350 reply_doserror(req, ERRDOS, ERRunknownlevel);
2353 #endif /* LARGE_SMB_OFF_T */
2355 /* the hard quotas 8 bytes (uint64_t)*/
2356 qt.hardlim = (uint64_t)IVAL(pdata,32);
2357 #ifdef LARGE_SMB_OFF_T
2358 qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2359 #else /* LARGE_SMB_OFF_T */
2360 if ((IVAL(pdata,36) != 0)&&
2361 ((qt.hardlim != 0xFFFFFFFF)||
2362 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2363 /* more than 32 bits? */
2364 reply_doserror(req, ERRDOS, ERRunknownlevel);
2367 #endif /* LARGE_SMB_OFF_T */
2369 sid_parse(pdata+40,sid_len,&sid);
2370 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2372 /* 44 unknown bytes left... */
2374 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2375 reply_doserror(req, ERRSRV, ERRerror);
2379 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2382 #endif /* HAVE_SYS_QUOTAS */
2384 static void handle_nttrans(connection_struct *conn,
2385 struct trans_state *state,
2386 struct smb_request *req)
2388 if (Protocol >= PROTOCOL_NT1) {
2389 req->flags2 |= 0x40; /* IS_LONG_NAME */
2390 SSVAL(req->inbuf,smb_flg2,req->flags2);
2393 /* Now we must call the relevant NT_TRANS function */
2394 switch(state->call) {
2395 case NT_TRANSACT_CREATE:
2397 START_PROFILE(NT_transact_create);
2398 call_nt_transact_create(
2400 &state->setup, state->setup_count,
2401 &state->param, state->total_param,
2402 &state->data, state->total_data,
2403 state->max_data_return);
2404 END_PROFILE(NT_transact_create);
2408 case NT_TRANSACT_IOCTL:
2410 START_PROFILE(NT_transact_ioctl);
2411 call_nt_transact_ioctl(
2413 &state->setup, state->setup_count,
2414 &state->param, state->total_param,
2415 &state->data, state->total_data,
2416 state->max_data_return);
2417 END_PROFILE(NT_transact_ioctl);
2421 case NT_TRANSACT_SET_SECURITY_DESC:
2423 START_PROFILE(NT_transact_set_security_desc);
2424 call_nt_transact_set_security_desc(
2426 &state->setup, state->setup_count,
2427 &state->param, state->total_param,
2428 &state->data, state->total_data,
2429 state->max_data_return);
2430 END_PROFILE(NT_transact_set_security_desc);
2434 case NT_TRANSACT_NOTIFY_CHANGE:
2436 START_PROFILE(NT_transact_notify_change);
2437 call_nt_transact_notify_change(
2439 &state->setup, state->setup_count,
2440 &state->param, state->total_param,
2441 &state->data, state->total_data,
2442 state->max_data_return,
2443 state->max_param_return);
2444 END_PROFILE(NT_transact_notify_change);
2448 case NT_TRANSACT_RENAME:
2450 START_PROFILE(NT_transact_rename);
2451 call_nt_transact_rename(
2453 &state->setup, state->setup_count,
2454 &state->param, state->total_param,
2455 &state->data, state->total_data,
2456 state->max_data_return);
2457 END_PROFILE(NT_transact_rename);
2461 case NT_TRANSACT_QUERY_SECURITY_DESC:
2463 START_PROFILE(NT_transact_query_security_desc);
2464 call_nt_transact_query_security_desc(
2466 &state->setup, state->setup_count,
2467 &state->param, state->total_param,
2468 &state->data, state->total_data,
2469 state->max_data_return);
2470 END_PROFILE(NT_transact_query_security_desc);
2474 #ifdef HAVE_SYS_QUOTAS
2475 case NT_TRANSACT_GET_USER_QUOTA:
2477 START_PROFILE(NT_transact_get_user_quota);
2478 call_nt_transact_get_user_quota(
2480 &state->setup, state->setup_count,
2481 &state->param, state->total_param,
2482 &state->data, state->total_data,
2483 state->max_data_return);
2484 END_PROFILE(NT_transact_get_user_quota);
2488 case NT_TRANSACT_SET_USER_QUOTA:
2490 START_PROFILE(NT_transact_set_user_quota);
2491 call_nt_transact_set_user_quota(
2493 &state->setup, state->setup_count,
2494 &state->param, state->total_param,
2495 &state->data, state->total_data,
2496 state->max_data_return);
2497 END_PROFILE(NT_transact_set_user_quota);
2500 #endif /* HAVE_SYS_QUOTAS */
2503 /* Error in request */
2504 DEBUG(0,("handle_nttrans: Unknown request %d in "
2505 "nttrans call\n", state->call));
2506 reply_doserror(req, ERRSRV, ERRerror);
2512 /****************************************************************************
2513 Reply to a SMBNTtrans.
2514 ****************************************************************************/
2516 void reply_nttrans(struct smb_request *req)
2518 connection_struct *conn = req->conn;
2523 uint16 function_code;
2525 struct trans_state *state;
2529 START_PROFILE(SMBnttrans);
2531 if (req->wct < 19) {
2532 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2533 END_PROFILE(SMBnttrans);
2537 size = smb_len(req->inbuf) + 4;
2538 av_size = smb_len(req->inbuf);
2539 pscnt = IVAL(req->vwv+9, 1);
2540 psoff = IVAL(req->vwv+11, 1);
2541 dscnt = IVAL(req->vwv+13, 1);
2542 dsoff = IVAL(req->vwv+15, 1);
2543 function_code = SVAL(req->vwv+18, 0);
2545 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2546 reply_doserror(req, ERRSRV, ERRaccess);
2547 END_PROFILE(SMBnttrans);
2551 result = allow_new_trans(conn->pending_trans, req->mid);
2552 if (!NT_STATUS_IS_OK(result)) {
2553 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2554 reply_nterror(req, result);
2555 END_PROFILE(SMBnttrans);
2559 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2560 reply_doserror(req, ERRSRV, ERRaccess);
2561 END_PROFILE(SMBnttrans);
2565 state->cmd = SMBnttrans;
2567 state->mid = req->mid;
2568 state->vuid = req->vuid;
2569 state->total_data = IVAL(req->vwv+3, 1);
2571 state->total_param = IVAL(req->vwv+1, 1);
2572 state->param = NULL;
2573 state->max_data_return = IVAL(req->vwv+7, 1);
2574 state->max_param_return = IVAL(req->vwv+5, 1);
2576 /* setup count is in *words* */
2577 state->setup_count = 2*CVAL(req->vwv+17, 1);
2578 state->setup = NULL;
2579 state->call = function_code;
2581 DEBUG(10, ("num_setup=%u, "
2582 "param_total=%u, this_param=%u, max_param=%u, "
2583 "data_total=%u, this_data=%u, max_data=%u, "
2584 "param_offset=%u, data_offset=%u\n",
2585 (unsigned)state->setup_count,
2586 (unsigned)state->total_param, (unsigned)pscnt,
2587 (unsigned)state->max_param_return,
2588 (unsigned)state->total_data, (unsigned)dscnt,
2589 (unsigned)state->max_data_return,
2590 (unsigned)psoff, (unsigned)dsoff));
2593 * All nttrans messages we handle have smb_wct == 19 +
2594 * state->setup_count. Ensure this is so as a sanity check.
2597 if(req->wct != 19 + (state->setup_count/2)) {
2598 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2599 req->wct, 19 + (state->setup_count/2)));
2603 /* Don't allow more than 128mb for each value. */
2604 if ((state->total_data > (1024*1024*128)) ||
2605 (state->total_param > (1024*1024*128))) {
2606 reply_doserror(req, ERRDOS, ERRnomem);
2607 END_PROFILE(SMBnttrans);
2611 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2614 if (state->total_data) {
2615 /* Can't use talloc here, the core routines do realloc on the
2616 * params and data. */
2617 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2618 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2619 "bytes !\n", (unsigned int)state->total_data));
2621 reply_doserror(req, ERRDOS, ERRnomem);
2622 END_PROFILE(SMBnttrans);
2626 if (dscnt > state->total_data ||
2627 dsoff+dscnt < dsoff) {
2631 if (dsoff > av_size ||
2633 dsoff+dscnt > av_size) {
2637 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2640 if (state->total_param) {
2641 /* Can't use talloc here, the core routines do realloc on the
2642 * params and data. */
2643 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2644 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2645 "bytes !\n", (unsigned int)state->total_param));
2646 SAFE_FREE(state->data);
2648 reply_doserror(req, ERRDOS, ERRnomem);
2649 END_PROFILE(SMBnttrans);
2653 if (pscnt > state->total_param ||
2654 psoff+pscnt < psoff) {
2658 if (psoff > av_size ||
2660 psoff+pscnt > av_size) {
2664 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2667 state->received_data = dscnt;
2668 state->received_param = pscnt;
2670 if(state->setup_count > 0) {
2671 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2672 state->setup_count));
2673 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2674 if (state->setup == NULL) {
2675 DEBUG(0,("reply_nttrans : Out of memory\n"));
2676 SAFE_FREE(state->data);
2677 SAFE_FREE(state->param);
2679 reply_doserror(req, ERRDOS, ERRnomem);
2680 END_PROFILE(SMBnttrans);
2684 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2685 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2688 if (smb_nt_SetupStart + state->setup_count > size) {
2692 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2693 state->setup_count);
2694 dump_data(10, (uint8 *)state->setup, state->setup_count);
2697 if ((state->received_data == state->total_data) &&
2698 (state->received_param == state->total_param)) {
2699 handle_nttrans(conn, state, req);
2700 SAFE_FREE(state->param);
2701 SAFE_FREE(state->data);
2703 END_PROFILE(SMBnttrans);
2707 DLIST_ADD(conn->pending_trans, state);
2709 /* We need to send an interim response then receive the rest
2710 of the parameter/data bytes */
2711 reply_outbuf(req, 0, 0);
2712 show_msg((char *)req->outbuf);
2713 END_PROFILE(SMBnttrans);
2718 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2719 SAFE_FREE(state->data);
2720 SAFE_FREE(state->param);
2722 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2723 END_PROFILE(SMBnttrans);
2727 /****************************************************************************
2728 Reply to a SMBnttranss
2729 ****************************************************************************/
2731 void reply_nttranss(struct smb_request *req)
2733 connection_struct *conn = req->conn;
2734 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2735 struct trans_state *state;
2739 START_PROFILE(SMBnttranss);
2741 show_msg((char *)req->inbuf);
2743 if (req->wct < 18) {
2744 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2745 END_PROFILE(SMBnttranss);
2749 for (state = conn->pending_trans; state != NULL;
2750 state = state->next) {
2751 if (state->mid == req->mid) {
2756 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2757 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2758 END_PROFILE(SMBnttranss);
2762 /* Revise state->total_param and state->total_data in case they have
2763 changed downwards */
2764 if (IVAL(req->vwv+1, 1) < state->total_param) {
2765 state->total_param = IVAL(req->vwv+1, 1);
2767 if (IVAL(req->vwv+3, 1) < state->total_data) {
2768 state->total_data = IVAL(req->vwv+3, 1);
2771 size = smb_len(req->inbuf) + 4;
2772 av_size = smb_len(req->inbuf);
2774 pcnt = IVAL(req->vwv+5, 1);
2775 poff = IVAL(req->vwv+7, 1);
2776 pdisp = IVAL(req->vwv+9, 1);
2778 dcnt = IVAL(req->vwv+11, 1);
2779 doff = IVAL(req->vwv+13, 1);
2780 ddisp = IVAL(req->vwv+15, 1);
2782 state->received_param += pcnt;
2783 state->received_data += dcnt;
2785 if ((state->received_data > state->total_data) ||
2786 (state->received_param > state->total_param))
2790 if (pdisp > state->total_param ||
2791 pcnt > state->total_param ||
2792 pdisp+pcnt > state->total_param ||
2793 pdisp+pcnt < pdisp) {
2797 if (poff > av_size ||
2799 poff+pcnt > av_size ||
2804 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2809 if (ddisp > state->total_data ||
2810 dcnt > state->total_data ||
2811 ddisp+dcnt > state->total_data ||
2812 ddisp+dcnt < ddisp) {
2816 if (ddisp > av_size ||
2818 ddisp+dcnt > av_size ||
2819 ddisp+dcnt < ddisp) {
2823 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2827 if ((state->received_param < state->total_param) ||
2828 (state->received_data < state->total_data)) {
2829 END_PROFILE(SMBnttranss);
2834 * construct_reply_common will copy smb_com from inbuf to
2835 * outbuf. SMBnttranss is wrong here.
2837 SCVAL(req->inbuf,smb_com,SMBnttrans);
2839 handle_nttrans(conn, state, req);
2841 DLIST_REMOVE(conn->pending_trans, state);
2842 SAFE_FREE(state->data);
2843 SAFE_FREE(state->param);
2845 END_PROFILE(SMBnttranss);
2850 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2851 DLIST_REMOVE(conn->pending_trans, state);
2852 SAFE_FREE(state->data);
2853 SAFE_FREE(state->param);
2855 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2856 END_PROFILE(SMBnttranss);