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 DEBUG(0, ("send_nt_replies failed sanity useable_space "
97 "= %d!!!", useable_space));
98 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
101 while (params_to_send || data_to_send) {
104 * Calculate whether we will totally or partially fill this packet.
107 total_sent_thistime = params_to_send + data_to_send;
110 * We can never send more than useable_space.
113 total_sent_thistime = MIN(total_sent_thistime, useable_space);
115 reply_outbuf(req, 18,
116 total_sent_thistime + alignment_offset
117 + data_alignment_offset);
120 * Set total params and data to be sent.
123 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
124 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
127 * Calculate how many parameters and data we can fit into
128 * this packet. Parameters get precedence.
131 params_sent_thistime = MIN(params_to_send,useable_space);
132 data_sent_thistime = useable_space - params_sent_thistime;
133 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
135 SIVAL(req->outbuf, smb_ntr_ParameterCount,
136 params_sent_thistime);
138 if(params_sent_thistime == 0) {
139 SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
140 SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
143 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
144 * parameter bytes, however the first 4 bytes of outbuf are
145 * the Netbios over TCP header. Thus use smb_base() to subtract
146 * them from the calculation.
149 SIVAL(req->outbuf,smb_ntr_ParameterOffset,
150 ((smb_buf(req->outbuf)+alignment_offset)
151 - smb_base(req->outbuf)));
153 * Absolute displacement of param bytes sent in this packet.
156 SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
161 * Deal with the data portion.
164 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
166 if(data_sent_thistime == 0) {
167 SIVAL(req->outbuf,smb_ntr_DataOffset,0);
168 SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
171 * The offset of the data bytes is the offset of the
172 * parameter bytes plus the number of parameters being sent this time.
175 SIVAL(req->outbuf, smb_ntr_DataOffset,
176 ((smb_buf(req->outbuf)+alignment_offset) -
177 smb_base(req->outbuf))
178 + params_sent_thistime + data_alignment_offset);
179 SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
183 * Copy the param bytes into the packet.
186 if(params_sent_thistime) {
187 if (alignment_offset != 0) {
188 memset(smb_buf(req->outbuf), 0,
191 memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
192 params_sent_thistime);
196 * Copy in the data bytes
199 if(data_sent_thistime) {
200 if (data_alignment_offset != 0) {
201 memset((smb_buf(req->outbuf)+alignment_offset+
202 params_sent_thistime), 0,
203 data_alignment_offset);
205 memcpy(smb_buf(req->outbuf)+alignment_offset
206 +params_sent_thistime+data_alignment_offset,
207 pd,data_sent_thistime);
210 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
211 params_sent_thistime, data_sent_thistime, useable_space));
212 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
213 params_to_send, data_to_send, paramsize, datasize));
215 if (NT_STATUS_V(nt_error)) {
216 error_packet_set((char *)req->outbuf,
221 /* Send the packet */
222 show_msg((char *)req->outbuf);
223 if (!srv_send_smb(smbd_server_fd(),
225 IS_CONN_ENCRYPTED(conn))) {
226 exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
229 TALLOC_FREE(req->outbuf);
231 pp += params_sent_thistime;
232 pd += data_sent_thistime;
234 params_to_send -= params_sent_thistime;
235 data_to_send -= data_sent_thistime;
241 if(params_to_send < 0 || data_to_send < 0) {
242 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
243 params_to_send, data_to_send));
244 exit_server_cleanly("send_nt_replies: internal error");
249 /****************************************************************************
250 Is it an NTFS stream name ?
251 An NTFS file name is <path>.<extention>:<stream name>:<stream type>
252 $DATA can be used as both a stream name and a stream type. A missing stream
253 name or type implies $DATA.
254 ****************************************************************************/
256 bool is_ntfs_stream_name(const char *fname)
258 if (lp_posix_pathnames()) {
261 return (strchr_m(fname, ':') != NULL) ? True : False;
264 /****************************************************************************
265 Reply to an NT create and X call on a pipe
266 ****************************************************************************/
268 static void nt_open_pipe(char *fname, connection_struct *conn,
269 struct smb_request *req, int *ppnum)
271 smb_np_struct *p = NULL;
273 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
275 /* See if it is one we want to handle. */
277 if (!is_known_pipename(fname)) {
278 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
283 /* Strip \\ off the name. */
286 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
288 p = open_rpc_pipe_p(fname, conn, req->vuid);
290 reply_doserror(req, ERRSRV, ERRnofids);
294 /* TODO: Add pipe to db */
296 if ( !store_pipe_opendb( p ) ) {
297 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
304 /****************************************************************************
305 Reply to an NT create and X call for pipes.
306 ****************************************************************************/
308 static void do_ntcreate_pipe_open(connection_struct *conn,
309 struct smb_request *req)
314 uint32 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
315 TALLOC_CTX *ctx = talloc_tos();
317 srvstr_pull_buf_talloc(ctx, (char *)req->inbuf, req->flags2, &fname,
318 smb_buf(req->inbuf), STR_TERMINATE);
321 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
325 nt_open_pipe(fname, conn, req, &pnum);
333 * Deal with pipe return.
336 if (flags & EXTENDED_RESPONSE_REQUIRED) {
337 /* This is very strange. We
338 * return 50 words, but only set
339 * the wcnt to 42 ? It's definately
340 * what happens on the wire....
342 reply_outbuf(req, 50, 0);
343 SCVAL(req->outbuf,smb_wct,42);
345 reply_outbuf(req, 34, 0);
348 p = (char *)req->outbuf + smb_vwv2;
352 SIVAL(p,0,FILE_WAS_OPENED);
355 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
358 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
360 SSVAL(p,2, 0x5FF); /* ? */
363 if (flags & EXTENDED_RESPONSE_REQUIRED) {
365 SIVAL(p,0,FILE_GENERIC_ALL);
367 * For pipes W2K3 seems to return
369 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
371 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
374 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
379 /****************************************************************************
380 Reply to an NT create and X call.
381 ****************************************************************************/
383 void reply_ntcreate_and_X(struct smb_request *req)
385 connection_struct *conn = req->conn;
389 uint32 file_attributes;
391 uint32 create_disposition;
392 uint32 create_options;
394 SMB_BIG_UINT allocation_size;
395 /* Breakout the oplock request bits so we can set the
396 reply bits separately. */
398 SMB_OFF_T file_len = 0;
399 SMB_STRUCT_STAT sbuf;
401 files_struct *fsp = NULL;
403 struct timespec c_timespec;
404 struct timespec a_timespec;
405 struct timespec m_timespec;
408 uint8_t oplock_granted = NO_OPLOCK_RETURN;
409 TALLOC_CTX *ctx = talloc_tos();
411 START_PROFILE(SMBntcreateX);
414 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
418 flags = IVAL(req->inbuf,smb_ntcreate_Flags);
419 access_mask = IVAL(req->inbuf,smb_ntcreate_DesiredAccess);
420 file_attributes = IVAL(req->inbuf,smb_ntcreate_FileAttributes);
421 share_access = IVAL(req->inbuf,smb_ntcreate_ShareAccess);
422 create_disposition = IVAL(req->inbuf,smb_ntcreate_CreateDisposition);
423 create_options = IVAL(req->inbuf,smb_ntcreate_CreateOptions);
424 root_dir_fid = (uint16)IVAL(req->inbuf,smb_ntcreate_RootDirectoryFid);
426 allocation_size = (SMB_BIG_UINT)IVAL(req->inbuf,
427 smb_ntcreate_AllocationSize);
428 #ifdef LARGE_SMB_OFF_T
429 allocation_size |= (((SMB_BIG_UINT)IVAL(
431 smb_ntcreate_AllocationSize + 4)) << 32);
434 srvstr_get_path(ctx, (char *)req->inbuf, req->flags2, &fname,
435 smb_buf(req->inbuf), 0, STR_TERMINATE, &status);
437 if (!NT_STATUS_IS_OK(status)) {
438 reply_nterror(req, status);
439 END_PROFILE(SMBntcreateX);
443 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
444 "file_attributes = 0x%x, share_access = 0x%x, "
445 "create_disposition = 0x%x create_options = 0x%x "
446 "root_dir_fid = 0x%x, fname = %s\n",
448 (unsigned int)access_mask,
449 (unsigned int)file_attributes,
450 (unsigned int)share_access,
451 (unsigned int)create_disposition,
452 (unsigned int)create_options,
453 (unsigned int)root_dir_fid,
457 * we need to remove ignored bits when they come directly from the client
458 * because we reuse some of them for internal stuff
460 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
463 * If it's an IPC, use the pipe handler.
467 if (lp_nt_pipe_support()) {
468 do_ntcreate_pipe_open(conn, req);
469 END_PROFILE(SMBntcreateX);
472 reply_doserror(req, ERRDOS, ERRnoaccess);
473 END_PROFILE(SMBntcreateX);
477 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
478 if (oplock_request) {
479 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
483 status = create_file(conn, req, root_dir_fid, fname,
484 access_mask, share_access, create_disposition,
485 create_options, file_attributes, oplock_request,
486 allocation_size, NULL, NULL, &fsp, &info, &sbuf);
488 if (!NT_STATUS_IS_OK(status)) {
489 if (open_was_deferred(req->mid)) {
490 /* We have re-scheduled this call, no error. */
491 END_PROFILE(SMBntcreateX);
494 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
495 reply_botherror(req, status, ERRDOS, ERRfilexists);
498 reply_nterror(req, status);
500 END_PROFILE(SMBntcreateX);
505 * If the caller set the extended oplock request bit
506 * and we granted one (by whatever means) - set the
507 * correct bit for extended oplock reply.
510 if (oplock_request &&
511 (lp_fake_oplocks(SNUM(conn))
512 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
515 * Exclusive oplock granted
518 if (flags & REQUEST_BATCH_OPLOCK) {
519 oplock_granted = BATCH_OPLOCK_RETURN;
521 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
523 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
524 oplock_granted = LEVEL_II_OPLOCK_RETURN;
526 oplock_granted = NO_OPLOCK_RETURN;
529 file_len = sbuf.st_size;
530 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
532 fattr = FILE_ATTRIBUTE_NORMAL;
535 if (flags & EXTENDED_RESPONSE_REQUIRED) {
536 /* This is very strange. We
537 * return 50 words, but only set
538 * the wcnt to 42 ? It's definately
539 * what happens on the wire....
541 reply_outbuf(req, 50, 0);
542 SCVAL(req->outbuf,smb_wct,42);
544 reply_outbuf(req, 34, 0);
547 p = (char *)req->outbuf + smb_vwv2;
549 SCVAL(p, 0, oplock_granted);
552 SSVAL(p,0,fsp->fnum);
554 if ((create_disposition == FILE_SUPERSEDE)
555 && (info == FILE_WAS_OVERWRITTEN)) {
556 SIVAL(p,0,FILE_WAS_SUPERSEDED);
563 c_timespec = get_create_timespec(
564 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
565 a_timespec = get_atimespec(&sbuf);
566 m_timespec = get_mtimespec(&sbuf);
568 if (lp_dos_filetime_resolution(SNUM(conn))) {
569 dos_filetime_timespec(&c_timespec);
570 dos_filetime_timespec(&a_timespec);
571 dos_filetime_timespec(&m_timespec);
574 put_long_date_timespec(p, c_timespec); /* create time. */
576 put_long_date_timespec(p, a_timespec); /* access time */
578 put_long_date_timespec(p, m_timespec); /* write time */
580 put_long_date_timespec(p, m_timespec); /* change time */
582 SIVAL(p,0,fattr); /* File Attributes. */
584 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
586 SOFF_T(p,0,file_len);
588 if (flags & EXTENDED_RESPONSE_REQUIRED) {
592 SCVAL(p,0,fsp->is_directory ? 1 : 0);
594 if (flags & EXTENDED_RESPONSE_REQUIRED) {
597 if (fsp->is_directory
598 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
599 perms = FILE_GENERIC_ALL;
601 perms = FILE_GENERIC_READ|FILE_EXECUTE;
606 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
607 fsp->fnum, fsp->fsp_name));
610 END_PROFILE(SMBntcreateX);
614 /****************************************************************************
615 Reply to a NT_TRANSACT_CREATE call to open a pipe.
616 ****************************************************************************/
618 static void do_nt_transact_create_pipe(connection_struct *conn,
619 struct smb_request *req,
620 uint16 **ppsetup, uint32 setup_count,
621 char **ppparams, uint32 parameter_count,
622 char **ppdata, uint32 data_count)
625 char *params = *ppparams;
631 TALLOC_CTX *ctx = talloc_tos();
634 * Ensure minimum number of parameters sent.
637 if(parameter_count < 54) {
638 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
639 reply_doserror(req, ERRDOS, ERRnoaccess);
643 flags = IVAL(params,0);
645 srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
646 parameter_count-53, STR_TERMINATE,
648 if (!NT_STATUS_IS_OK(status)) {
649 reply_nterror(req, status);
653 nt_open_pipe(fname, conn, req, &pnum);
660 /* Realloc the size of parameters and data we will return */
661 if (flags & EXTENDED_RESPONSE_REQUIRED) {
662 /* Extended response is 32 more byyes. */
667 params = nttrans_realloc(ppparams, param_len);
669 reply_doserror(req, ERRDOS, ERRnomem);
674 SCVAL(p,0,NO_OPLOCK_RETURN);
679 SIVAL(p,0,FILE_WAS_OPENED);
683 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
686 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
688 SSVAL(p,2, 0x5FF); /* ? */
691 if (flags & EXTENDED_RESPONSE_REQUIRED) {
693 SIVAL(p,0,FILE_GENERIC_ALL);
695 * For pipes W2K3 seems to return
697 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
699 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
702 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
704 /* Send the required number of replies */
705 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
710 /****************************************************************************
711 Internal fn to set security descriptors.
712 ****************************************************************************/
714 static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
715 uint32 security_info_sent)
717 SEC_DESC *psd = NULL;
720 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
724 status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
726 if (!NT_STATUS_IS_OK(status)) {
730 if (psd->owner_sid == NULL) {
731 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
733 if (psd->group_sid == NULL) {
734 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
737 /* Convert all the generic bits. */
738 security_acl_map_generic(psd->dacl, &file_generic_mapping);
739 security_acl_map_generic(psd->sacl, &file_generic_mapping);
741 if (DEBUGLEVEL >= 10) {
742 DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
743 NDR_PRINT_DEBUG(security_descriptor, psd);
746 status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
753 /****************************************************************************
754 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
755 ****************************************************************************/
757 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
759 struct ea_list *ea_list_head = NULL;
766 while (offset + 4 <= data_size) {
767 size_t next_offset = IVAL(pdata,offset);
768 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
774 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
775 if (next_offset == 0) {
778 offset += next_offset;
784 /****************************************************************************
785 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
786 ****************************************************************************/
788 static void call_nt_transact_create(connection_struct *conn,
789 struct smb_request *req,
790 uint16 **ppsetup, uint32 setup_count,
791 char **ppparams, uint32 parameter_count,
792 char **ppdata, uint32 data_count,
793 uint32 max_data_count)
796 char *params = *ppparams;
797 char *data = *ppdata;
798 /* Breakout the oplock request bits so we can set the reply bits separately. */
800 SMB_OFF_T file_len = 0;
801 SMB_STRUCT_STAT sbuf;
803 files_struct *fsp = NULL;
807 uint32 file_attributes;
809 uint32 create_disposition;
810 uint32 create_options;
812 struct security_descriptor *sd = NULL;
815 struct timespec c_timespec;
816 struct timespec a_timespec;
817 struct timespec m_timespec;
818 struct ea_list *ea_list = NULL;
821 SMB_BIG_UINT allocation_size;
823 uint8_t oplock_granted;
824 TALLOC_CTX *ctx = talloc_tos();
826 DEBUG(5,("call_nt_transact_create\n"));
829 * If it's an IPC, use the pipe handler.
833 if (lp_nt_pipe_support()) {
834 do_nt_transact_create_pipe(
836 ppsetup, setup_count,
837 ppparams, parameter_count,
841 reply_doserror(req, ERRDOS, ERRnoaccess);
846 * Ensure minimum number of parameters sent.
849 if(parameter_count < 54) {
850 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
851 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
855 flags = IVAL(params,0);
856 access_mask = IVAL(params,8);
857 file_attributes = IVAL(params,20);
858 share_access = IVAL(params,24);
859 create_disposition = IVAL(params,28);
860 create_options = IVAL(params,32);
861 sd_len = IVAL(params,36);
862 ea_len = IVAL(params,40);
863 root_dir_fid = (uint16)IVAL(params,4);
864 allocation_size = (SMB_BIG_UINT)IVAL(params,12);
865 #ifdef LARGE_SMB_OFF_T
866 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
870 * we need to remove ignored bits when they come directly from the client
871 * because we reuse some of them for internal stuff
873 create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
875 /* Ensure the data_len is correct for the sd and ea values given. */
876 if ((ea_len + sd_len > data_count)
877 || (ea_len > data_count) || (sd_len > data_count)
878 || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
879 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
880 "%u, data_count = %u\n", (unsigned int)ea_len,
881 (unsigned int)sd_len, (unsigned int)data_count));
882 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
887 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
890 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
892 if (!NT_STATUS_IS_OK(status)) {
893 DEBUG(10, ("call_nt_transact_create: "
894 "unmarshall_sec_desc failed: %s\n",
896 reply_nterror(req, status);
902 if (!lp_ea_support(SNUM(conn))) {
903 DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
904 "EA's not supported.\n",
905 (unsigned int)ea_len));
906 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
911 DEBUG(10,("call_nt_transact_create - ea_len = %u - "
912 "too small (should be more than 10)\n",
913 (unsigned int)ea_len ));
914 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
918 /* We have already checked that ea_len <= data_count here. */
919 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
921 if (ea_list == NULL) {
922 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
927 srvstr_get_path(ctx, params, req->flags2, &fname,
928 params+53, parameter_count-53,
929 STR_TERMINATE, &status);
930 if (!NT_STATUS_IS_OK(status)) {
931 reply_nterror(req, status);
935 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
936 if (oplock_request) {
937 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
941 status = create_file(conn, req, root_dir_fid, fname,
942 access_mask, share_access, create_disposition,
943 create_options, file_attributes, oplock_request,
944 allocation_size, sd, ea_list, &fsp, &info, &sbuf);
946 if(!NT_STATUS_IS_OK(status)) {
947 if (open_was_deferred(req->mid)) {
948 /* We have re-scheduled this call, no error. */
951 reply_openerror(req, status);
956 * If the caller set the extended oplock request bit
957 * and we granted one (by whatever means) - set the
958 * correct bit for extended oplock reply.
961 if (oplock_request &&
962 (lp_fake_oplocks(SNUM(conn))
963 || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
966 * Exclusive oplock granted
969 if (flags & REQUEST_BATCH_OPLOCK) {
970 oplock_granted = BATCH_OPLOCK_RETURN;
972 oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
974 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
975 oplock_granted = LEVEL_II_OPLOCK_RETURN;
977 oplock_granted = NO_OPLOCK_RETURN;
980 file_len = sbuf.st_size;
981 fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
983 fattr = FILE_ATTRIBUTE_NORMAL;
986 /* Realloc the size of parameters and data we will return */
987 if (flags & EXTENDED_RESPONSE_REQUIRED) {
988 /* Extended response is 32 more byyes. */
993 params = nttrans_realloc(ppparams, param_len);
995 reply_doserror(req, ERRDOS, ERRnomem);
1000 SCVAL(p, 0, oplock_granted);
1003 SSVAL(p,0,fsp->fnum);
1005 if ((create_disposition == FILE_SUPERSEDE)
1006 && (info == FILE_WAS_OVERWRITTEN)) {
1007 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1014 c_timespec = get_create_timespec(
1015 &sbuf,lp_fake_dir_create_times(SNUM(conn)));
1016 a_timespec = get_atimespec(&sbuf);
1017 m_timespec = get_mtimespec(&sbuf);
1019 if (lp_dos_filetime_resolution(SNUM(conn))) {
1020 dos_filetime_timespec(&c_timespec);
1021 dos_filetime_timespec(&a_timespec);
1022 dos_filetime_timespec(&m_timespec);
1025 put_long_date_timespec(p, c_timespec); /* create time. */
1027 put_long_date_timespec(p, a_timespec); /* access time */
1029 put_long_date_timespec(p, m_timespec); /* write time */
1031 put_long_date_timespec(p, m_timespec); /* change time */
1033 SIVAL(p,0,fattr); /* File Attributes. */
1035 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1037 SOFF_T(p,0,file_len);
1039 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1043 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1045 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1048 if (fsp->is_directory
1049 || can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1050 perms = FILE_GENERIC_ALL;
1052 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1057 DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1059 /* Send the required number of replies */
1060 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1065 /****************************************************************************
1066 Reply to a NT CANCEL request.
1067 conn POINTER CAN BE NULL HERE !
1068 ****************************************************************************/
1070 void reply_ntcancel(struct smb_request *req)
1073 * Go through and cancel any pending change notifies.
1076 START_PROFILE(SMBntcancel);
1077 remove_pending_change_notify_requests_by_mid(req->mid);
1078 remove_pending_lock_requests_by_mid(req->mid);
1079 srv_cancel_sign_response(req->mid);
1081 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1083 END_PROFILE(SMBntcancel);
1087 /****************************************************************************
1089 ****************************************************************************/
1091 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1092 connection_struct *conn,
1093 struct smb_request *req,
1094 const char *oldname_in,
1095 const char *newname_in,
1098 SMB_STRUCT_STAT sbuf1, sbuf2;
1099 char *oldname = NULL;
1100 char *newname = NULL;
1101 char *last_component_oldname = NULL;
1102 char *last_component_newname = NULL;
1103 files_struct *fsp1,*fsp2;
1107 NTSTATUS status = NT_STATUS_OK;
1112 if (!CAN_WRITE(conn)) {
1113 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1116 status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1117 &last_component_oldname, &sbuf1);
1118 if (!NT_STATUS_IS_OK(status)) {
1122 status = check_name(conn, oldname);
1123 if (!NT_STATUS_IS_OK(status)) {
1127 /* Source must already exist. */
1128 if (!VALID_STAT(sbuf1)) {
1129 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1131 /* Ensure attributes match. */
1132 fattr = dos_mode(conn,oldname,&sbuf1);
1133 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1134 return NT_STATUS_NO_SUCH_FILE;
1137 status = unix_convert(ctx, conn, newname_in, False, &newname,
1138 &last_component_newname, &sbuf2);
1139 if (!NT_STATUS_IS_OK(status)) {
1143 status = check_name(conn, newname);
1144 if (!NT_STATUS_IS_OK(status)) {
1148 /* Disallow if newname already exists. */
1149 if (VALID_STAT(sbuf2)) {
1150 return NT_STATUS_OBJECT_NAME_COLLISION;
1153 /* No links from a directory. */
1154 if (S_ISDIR(sbuf1.st_mode)) {
1155 return NT_STATUS_FILE_IS_A_DIRECTORY;
1158 /* Ensure this is within the share. */
1159 status = check_reduced_name(conn, oldname);
1160 if (!NT_STATUS_IS_OK(status)) {
1164 DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1167 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1168 FILE_READ_DATA, /* Read-only. */
1169 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1171 0, /* No create options. */
1172 FILE_ATTRIBUTE_NORMAL,
1176 if (!NT_STATUS_IS_OK(status)) {
1180 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1181 FILE_WRITE_DATA, /* Read-only. */
1182 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1184 0, /* No create options. */
1189 if (!NT_STATUS_IS_OK(status)) {
1190 close_file(fsp1,ERROR_CLOSE);
1194 if (sbuf1.st_size) {
1195 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1199 * As we are opening fsp1 read-only we only expect
1200 * an error on close on fsp2 if we are out of space.
1201 * Thus we don't look at the error return from the
1204 close_file(fsp1,NORMAL_CLOSE);
1206 /* Ensure the modtime is set correctly on the destination file. */
1207 set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1209 status = close_file(fsp2,NORMAL_CLOSE);
1211 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1212 creates the file. This isn't the correct thing to do in the copy
1214 file_set_dosmode(conn, newname, fattr, &sbuf2,
1215 parent_dirname(newname),false);
1217 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1218 return NT_STATUS_DISK_FULL;
1221 if (!NT_STATUS_IS_OK(status)) {
1222 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1223 nt_errstr(status), oldname, newname));
1228 /****************************************************************************
1229 Reply to a NT rename request.
1230 ****************************************************************************/
1232 void reply_ntrename(struct smb_request *req)
1234 connection_struct *conn = req->conn;
1235 char *oldname = NULL;
1236 char *newname = NULL;
1239 bool src_has_wcard = False;
1240 bool dest_has_wcard = False;
1243 TALLOC_CTX *ctx = talloc_tos();
1245 START_PROFILE(SMBntrename);
1248 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1249 END_PROFILE(SMBntrename);
1253 attrs = SVAL(req->inbuf,smb_vwv0);
1254 rename_type = SVAL(req->inbuf,smb_vwv1);
1256 p = smb_buf(req->inbuf) + 1;
1257 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &oldname, p,
1258 0, STR_TERMINATE, &status,
1260 if (!NT_STATUS_IS_OK(status)) {
1261 reply_nterror(req, status);
1262 END_PROFILE(SMBntrename);
1266 if( is_ntfs_stream_name(oldname)) {
1267 /* Can't rename a stream. */
1268 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1269 END_PROFILE(SMBntrename);
1273 if (ms_has_wild(oldname)) {
1274 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1275 END_PROFILE(SMBntrename);
1280 p += srvstr_get_path_wcard(ctx, (char *)req->inbuf, req->flags2, &newname, p,
1281 0, STR_TERMINATE, &status,
1283 if (!NT_STATUS_IS_OK(status)) {
1284 reply_nterror(req, status);
1285 END_PROFILE(SMBntrename);
1289 status = resolve_dfspath(ctx, conn,
1290 req->flags2 & FLAGS2_DFS_PATHNAMES,
1293 if (!NT_STATUS_IS_OK(status)) {
1294 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1295 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1296 ERRSRV, ERRbadpath);
1297 END_PROFILE(SMBntrename);
1300 reply_nterror(req, status);
1301 END_PROFILE(SMBntrename);
1305 status = resolve_dfspath(ctx, conn,
1306 req->flags2 & FLAGS2_DFS_PATHNAMES,
1309 if (!NT_STATUS_IS_OK(status)) {
1310 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1311 reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1312 ERRSRV, ERRbadpath);
1313 END_PROFILE(SMBntrename);
1316 reply_nterror(req, status);
1317 END_PROFILE(SMBntrename);
1321 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1323 switch(rename_type) {
1324 case RENAME_FLAG_RENAME:
1325 status = rename_internals(ctx, conn, req, oldname,
1326 newname, attrs, False, src_has_wcard,
1327 dest_has_wcard, DELETE_ACCESS);
1329 case RENAME_FLAG_HARD_LINK:
1330 if (src_has_wcard || dest_has_wcard) {
1332 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1334 status = hardlink_internals(ctx,
1340 case RENAME_FLAG_COPY:
1341 if (src_has_wcard || dest_has_wcard) {
1343 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1345 status = copy_internals(ctx, conn, req, oldname,
1349 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1350 status = NT_STATUS_INVALID_PARAMETER;
1353 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1357 if (!NT_STATUS_IS_OK(status)) {
1358 if (open_was_deferred(req->mid)) {
1359 /* We have re-scheduled this call. */
1360 END_PROFILE(SMBntrename);
1364 reply_nterror(req, status);
1365 END_PROFILE(SMBntrename);
1369 reply_outbuf(req, 0, 0);
1371 END_PROFILE(SMBntrename);
1375 /****************************************************************************
1376 Reply to a notify change - queue the request and
1377 don't allow a directory to be opened.
1378 ****************************************************************************/
1380 static void call_nt_transact_notify_change(connection_struct *conn,
1381 struct smb_request *req,
1385 uint32 parameter_count,
1386 char **ppdata, uint32 data_count,
1387 uint32 max_data_count,
1388 uint32 max_param_count)
1390 uint16 *setup = *ppsetup;
1396 if(setup_count < 6) {
1397 reply_doserror(req, ERRDOS, ERRbadfunc);
1401 fsp = file_fsp(SVAL(setup,4));
1402 filter = IVAL(setup, 0);
1403 recursive = (SVAL(setup, 6) != 0) ? True : False;
1405 DEBUG(3,("call_nt_transact_notify_change\n"));
1408 reply_doserror(req, ERRDOS, ERRbadfid);
1413 char *filter_string;
1415 if (!(filter_string = notify_filter_string(NULL, filter))) {
1416 reply_nterror(req,NT_STATUS_NO_MEMORY);
1420 DEBUG(3,("call_nt_transact_notify_change: notify change "
1421 "called on %s, filter = %s, recursive = %d\n",
1422 fsp->fsp_name, filter_string, recursive));
1424 TALLOC_FREE(filter_string);
1427 if((!fsp->is_directory) || (conn != fsp->conn)) {
1428 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1432 if (fsp->notify == NULL) {
1434 status = change_notify_create(fsp, filter, recursive);
1436 if (!NT_STATUS_IS_OK(status)) {
1437 DEBUG(10, ("change_notify_create returned %s\n",
1438 nt_errstr(status)));
1439 reply_nterror(req, status);
1444 if (fsp->notify->num_changes != 0) {
1447 * We've got changes pending, respond immediately
1451 * TODO: write a torture test to check the filtering behaviour
1455 change_notify_reply(fsp->conn, req->inbuf, max_param_count, fsp->notify);
1458 * change_notify_reply() above has independently sent its
1465 * No changes pending, queue the request
1468 status = change_notify_add_request(req,
1472 if (!NT_STATUS_IS_OK(status)) {
1473 reply_nterror(req, status);
1478 /****************************************************************************
1479 Reply to an NT transact rename command.
1480 ****************************************************************************/
1482 static void call_nt_transact_rename(connection_struct *conn,
1483 struct smb_request *req,
1484 uint16 **ppsetup, uint32 setup_count,
1485 char **ppparams, uint32 parameter_count,
1486 char **ppdata, uint32 data_count,
1487 uint32 max_data_count)
1489 char *params = *ppparams;
1490 char *new_name = NULL;
1491 files_struct *fsp = NULL;
1492 bool dest_has_wcard = False;
1494 TALLOC_CTX *ctx = talloc_tos();
1496 if(parameter_count < 5) {
1497 reply_doserror(req, ERRDOS, ERRbadfunc);
1501 fsp = file_fsp(SVAL(params, 0));
1502 if (!check_fsp(conn, req, fsp)) {
1505 srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1506 parameter_count - 4,
1507 STR_TERMINATE, &status, &dest_has_wcard);
1508 if (!NT_STATUS_IS_OK(status)) {
1509 reply_nterror(req, status);
1514 * W2K3 ignores this request as the RAW-RENAME test
1515 * demonstrates, so we do.
1517 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1519 DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1520 fsp->fsp_name, new_name));
1525 /******************************************************************************
1526 Fake up a completely empty SD.
1527 *******************************************************************************/
1529 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1533 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1535 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1536 return NT_STATUS_NO_MEMORY;
1539 return NT_STATUS_OK;
1542 /****************************************************************************
1543 Reply to query a security descriptor.
1544 ****************************************************************************/
1546 static void call_nt_transact_query_security_desc(connection_struct *conn,
1547 struct smb_request *req,
1551 uint32 parameter_count,
1554 uint32 max_data_count)
1556 char *params = *ppparams;
1557 char *data = *ppdata;
1558 SEC_DESC *psd = NULL;
1560 uint32 security_info_wanted;
1561 files_struct *fsp = NULL;
1565 if(parameter_count < 8) {
1566 reply_doserror(req, ERRDOS, ERRbadfunc);
1570 fsp = file_fsp(SVAL(params,0));
1572 reply_doserror(req, ERRDOS, ERRbadfid);
1576 security_info_wanted = IVAL(params,4);
1578 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1579 (unsigned int)security_info_wanted ));
1581 params = nttrans_realloc(ppparams, 4);
1582 if(params == NULL) {
1583 reply_doserror(req, ERRDOS, ERRnomem);
1588 * Get the permissions to return.
1591 if (!lp_nt_acl_support(SNUM(conn))) {
1592 status = get_null_nt_acl(talloc_tos(), &psd);
1594 status = SMB_VFS_FGET_NT_ACL(
1595 fsp, security_info_wanted, &psd);
1598 if (!NT_STATUS_IS_OK(status)) {
1599 reply_nterror(req, status);
1603 sd_size = ndr_size_security_descriptor(psd, 0);
1605 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1607 if (DEBUGLEVEL >= 10) {
1608 DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name ));
1609 NDR_PRINT_DEBUG(security_descriptor, psd);
1612 SIVAL(params,0,(uint32)sd_size);
1614 if (max_data_count < sd_size) {
1615 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1616 params, 4, *ppdata, 0);
1621 * Allocate the data we will point this at.
1624 data = nttrans_realloc(ppdata, sd_size);
1626 reply_doserror(req, ERRDOS, ERRnomem);
1630 status = marshall_sec_desc(talloc_tos(), psd,
1631 &blob.data, &blob.length);
1633 if (!NT_STATUS_IS_OK(status)) {
1634 reply_nterror(req, status);
1638 SMB_ASSERT(sd_size == blob.length);
1639 memcpy(data, blob.data, sd_size);
1641 send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1646 /****************************************************************************
1647 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1648 ****************************************************************************/
1650 static void call_nt_transact_set_security_desc(connection_struct *conn,
1651 struct smb_request *req,
1655 uint32 parameter_count,
1658 uint32 max_data_count)
1660 char *params= *ppparams;
1661 char *data = *ppdata;
1662 files_struct *fsp = NULL;
1663 uint32 security_info_sent = 0;
1666 if(parameter_count < 8) {
1667 reply_doserror(req, ERRDOS, ERRbadfunc);
1671 if((fsp = file_fsp(SVAL(params,0))) == NULL) {
1672 reply_doserror(req, ERRDOS, ERRbadfid);
1676 if(!lp_nt_acl_support(SNUM(conn))) {
1680 security_info_sent = IVAL(params,4);
1682 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1683 (unsigned int)security_info_sent ));
1685 if (data_count == 0) {
1686 reply_doserror(req, ERRDOS, ERRnoaccess);
1690 status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1692 if (!NT_STATUS_IS_OK(status)) {
1693 reply_nterror(req, status);
1698 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1702 /****************************************************************************
1704 ****************************************************************************/
1706 static void call_nt_transact_ioctl(connection_struct *conn,
1707 struct smb_request *req,
1708 uint16 **ppsetup, uint32 setup_count,
1709 char **ppparams, uint32 parameter_count,
1710 char **ppdata, uint32 data_count,
1711 uint32 max_data_count)
1718 static bool logged_message;
1719 char *pdata = *ppdata;
1721 if (setup_count != 8) {
1722 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1723 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1727 function = IVAL(*ppsetup, 0);
1728 fidnum = SVAL(*ppsetup, 4);
1729 isFSctl = CVAL(*ppsetup, 6);
1730 compfilter = CVAL(*ppsetup, 7);
1732 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1733 function, fidnum, isFSctl, compfilter));
1735 fsp=file_fsp(fidnum);
1736 /* this check is done in each implemented function case for now
1737 because I don't want to break anything... --metze
1738 FSP_BELONGS_CONN(fsp,conn);*/
1741 case FSCTL_SET_SPARSE:
1742 /* pretend this succeeded - tho strictly we should
1743 mark the file sparse (if the local fs supports it)
1744 so we can know if we need to pre-allocate or not */
1746 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1747 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1750 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1752 unsigned char objid[16];
1754 /* This should return the object-id on this file.
1755 * I think I'll make this be the inode+dev. JRA.
1758 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1760 if (!fsp_belongs_conn(conn, req, fsp)) {
1765 pdata = nttrans_realloc(ppdata, data_count);
1766 if (pdata == NULL) {
1767 reply_nterror(req, NT_STATUS_NO_MEMORY);
1770 push_file_id_16(pdata, &fsp->file_id);
1771 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1772 push_file_id_16(pdata+32, &fsp->file_id);
1773 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1778 case FSCTL_GET_REPARSE_POINT:
1779 /* pretend this fail - my winXP does it like this
1783 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1784 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1787 case FSCTL_SET_REPARSE_POINT:
1788 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1792 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1793 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1796 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1799 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1800 * and return their volume names. If max_data_count is 16, then it is just
1801 * asking for the number of volumes and length of the combined names.
1803 * pdata is the data allocated by our caller, but that uses
1804 * total_data_count (which is 0 in our case) rather than max_data_count.
1805 * Allocate the correct amount and return the pointer to let
1806 * it be deallocated when we return.
1808 SHADOW_COPY_DATA *shadow_data = NULL;
1809 TALLOC_CTX *shadow_mem_ctx = NULL;
1810 bool labels = False;
1811 uint32 labels_data_count = 0;
1815 if (!fsp_belongs_conn(conn, req, fsp)) {
1819 if (max_data_count < 16) {
1820 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1822 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1826 if (max_data_count > 16) {
1830 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1831 if (shadow_mem_ctx == NULL) {
1832 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1833 reply_nterror(req, NT_STATUS_NO_MEMORY);
1837 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1838 if (shadow_data == NULL) {
1839 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1840 talloc_destroy(shadow_mem_ctx);
1841 reply_nterror(req, NT_STATUS_NO_MEMORY);
1845 shadow_data->mem_ctx = shadow_mem_ctx;
1848 * Call the VFS routine to actually do the work.
1850 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1851 talloc_destroy(shadow_data->mem_ctx);
1852 if (errno == ENOSYS) {
1853 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1854 conn->connectpath));
1855 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1858 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1859 conn->connectpath));
1860 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
1865 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
1870 data_count = 12+labels_data_count+4;
1873 if (max_data_count<data_count) {
1874 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1875 max_data_count,data_count));
1876 talloc_destroy(shadow_data->mem_ctx);
1877 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
1881 pdata = nttrans_realloc(ppdata, data_count);
1882 if (pdata == NULL) {
1883 talloc_destroy(shadow_data->mem_ctx);
1884 reply_nterror(req, NT_STATUS_NO_MEMORY);
1890 /* num_volumes 4 bytes */
1891 SIVAL(pdata,0,shadow_data->num_volumes);
1894 /* num_labels 4 bytes */
1895 SIVAL(pdata,4,shadow_data->num_volumes);
1898 /* needed_data_count 4 bytes */
1899 SIVAL(pdata,8,labels_data_count);
1903 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1904 shadow_data->num_volumes,fsp->fsp_name));
1905 if (labels && shadow_data->labels) {
1906 for (i=0;i<shadow_data->num_volumes;i++) {
1907 srvstr_push(pdata, req->flags2,
1908 cur_pdata, shadow_data->labels[i],
1909 2*sizeof(SHADOW_COPY_LABEL),
1910 STR_UNICODE|STR_TERMINATE);
1911 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
1912 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1916 talloc_destroy(shadow_data->mem_ctx);
1918 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1924 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1926 /* pretend this succeeded -
1928 * we have to send back a list with all files owned by this SID
1930 * but I have to check that --metze
1934 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
1936 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
1938 if (!fsp_belongs_conn(conn, req, fsp)) {
1942 /* unknown 4 bytes: this is not the length of the sid :-( */
1943 /*unknown = IVAL(pdata,0);*/
1945 sid_parse(pdata+4,sid_len,&sid);
1946 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1948 if (!sid_to_uid(&sid, &uid)) {
1949 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1950 sid_string_dbg(&sid),
1951 (unsigned long)sid_len));
1955 /* we can take a look at the find source :-)
1957 * find ./ -uid $uid -name '*' is what we need here
1960 * and send 4bytes len and then NULL terminated unicode strings
1963 * but I don't know how to deal with the paged results
1964 * (maybe we can hang the result anywhere in the fsp struct)
1966 * we don't send all files at once
1967 * and at the next we should *not* start from the beginning,
1968 * so we have to cache the result
1973 /* this works for now... */
1974 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1978 if (!logged_message) {
1979 logged_message = True; /* Only print this once... */
1980 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1985 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1989 #ifdef HAVE_SYS_QUOTAS
1990 /****************************************************************************
1991 Reply to get user quota
1992 ****************************************************************************/
1994 static void call_nt_transact_get_user_quota(connection_struct *conn,
1995 struct smb_request *req,
1999 uint32 parameter_count,
2002 uint32 max_data_count)
2004 NTSTATUS nt_status = NT_STATUS_OK;
2005 char *params = *ppparams;
2006 char *pdata = *ppdata;
2008 int data_len=0,param_len=0;
2011 files_struct *fsp = NULL;
2015 bool start_enum = True;
2016 SMB_NTQUOTA_STRUCT qt;
2017 SMB_NTQUOTA_LIST *tmp_list;
2018 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2023 if (conn->server_info->utok.uid != 0) {
2024 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2025 "[%s]\n", lp_servicename(SNUM(conn)),
2026 conn->server_info->unix_name));
2027 reply_doserror(req, ERRDOS, ERRnoaccess);
2032 * Ensure minimum number of parameters sent.
2035 if (parameter_count < 4) {
2036 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2037 reply_doserror(req, ERRDOS, ERRinvalidparam);
2041 /* maybe we can check the quota_fnum */
2042 fsp = file_fsp(SVAL(params,0));
2043 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2044 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2045 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2049 /* the NULL pointer checking for fsp->fake_file_handle->pd
2050 * is done by CHECK_NTQUOTA_HANDLE_OK()
2052 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2054 level = SVAL(params,2);
2056 /* unknown 12 bytes leading in params */
2059 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2060 /* seems that we should continue with the enum here --metze */
2062 if (qt_handle->quota_list!=NULL &&
2063 qt_handle->tmp_list==NULL) {
2066 free_ntquota_list(&(qt_handle->quota_list));
2068 /* Realloc the size of parameters and data we will return */
2070 params = nttrans_realloc(ppparams, param_len);
2071 if(params == NULL) {
2072 reply_doserror(req, ERRDOS, ERRnomem);
2077 SIVAL(params,0,data_len);
2084 case TRANSACT_GET_USER_QUOTA_LIST_START:
2086 if (qt_handle->quota_list==NULL &&
2087 qt_handle->tmp_list==NULL) {
2091 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2092 reply_doserror(req, ERRSRV, ERRerror);
2096 /* Realloc the size of parameters and data we will return */
2098 params = nttrans_realloc(ppparams, param_len);
2099 if(params == NULL) {
2100 reply_doserror(req, ERRDOS, ERRnomem);
2104 /* we should not trust the value in max_data_count*/
2105 max_data_count = MIN(max_data_count,2048);
2107 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2109 reply_doserror(req, ERRDOS, ERRnomem);
2115 /* set params Size of returned Quota Data 4 bytes*/
2116 /* but set it later when we know it */
2118 /* for each entry push the data */
2121 qt_handle->tmp_list = qt_handle->quota_list;
2124 tmp_list = qt_handle->tmp_list;
2126 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2127 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2129 sid_len = ndr_size_dom_sid(
2130 &tmp_list->quotas->sid, 0);
2131 entry_len = 40 + sid_len;
2133 /* nextoffset entry 4 bytes */
2134 SIVAL(entry,0,entry_len);
2136 /* then the len of the SID 4 bytes */
2137 SIVAL(entry,4,sid_len);
2139 /* unknown data 8 bytes SMB_BIG_UINT */
2140 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2142 /* the used disk space 8 bytes SMB_BIG_UINT */
2143 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2145 /* the soft quotas 8 bytes SMB_BIG_UINT */
2146 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2148 /* the hard quotas 8 bytes SMB_BIG_UINT */
2149 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2151 /* and now the SID */
2152 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2155 qt_handle->tmp_list = tmp_list;
2157 /* overwrite the offset of the last entry */
2158 SIVAL(entry-entry_len,0,0);
2160 data_len = 4+qt_len;
2161 /* overwrite the params quota_data_len */
2162 SIVAL(params,0,data_len);
2166 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2168 /* unknown 4 bytes IVAL(pdata,0) */
2170 if (data_count < 8) {
2171 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2172 reply_doserror(req, ERRDOS, ERRunknownlevel);
2176 sid_len = IVAL(pdata,4);
2177 /* Ensure this is less than 1mb. */
2178 if (sid_len > (1024*1024)) {
2179 reply_doserror(req, ERRDOS, ERRnomem);
2183 if (data_count < 8+sid_len) {
2184 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2185 reply_doserror(req, ERRDOS, ERRunknownlevel);
2189 data_len = 4+40+sid_len;
2191 if (max_data_count < data_len) {
2192 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2193 max_data_count, data_len));
2195 SIVAL(params,0,data_len);
2197 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2201 sid_parse(pdata+8,sid_len,&sid);
2203 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2206 * we have to return zero's in all fields
2207 * instead of returning an error here
2212 /* Realloc the size of parameters and data we will return */
2214 params = nttrans_realloc(ppparams, param_len);
2215 if(params == NULL) {
2216 reply_doserror(req, ERRDOS, ERRnomem);
2220 pdata = nttrans_realloc(ppdata, data_len);
2222 reply_doserror(req, ERRDOS, ERRnomem);
2228 /* set params Size of returned Quota Data 4 bytes*/
2229 SIVAL(params,0,data_len);
2231 /* nextoffset entry 4 bytes */
2234 /* then the len of the SID 4 bytes */
2235 SIVAL(entry,4,sid_len);
2237 /* unknown data 8 bytes SMB_BIG_UINT */
2238 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2240 /* the used disk space 8 bytes SMB_BIG_UINT */
2241 SBIG_UINT(entry,16,qt.usedspace);
2243 /* the soft quotas 8 bytes SMB_BIG_UINT */
2244 SBIG_UINT(entry,24,qt.softlim);
2246 /* the hard quotas 8 bytes SMB_BIG_UINT */
2247 SBIG_UINT(entry,32,qt.hardlim);
2249 /* and now the SID */
2250 sid_linearize(entry+40, sid_len, &sid);
2255 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2256 reply_doserror(req, ERRSRV, ERRerror);
2261 send_nt_replies(conn, req, nt_status, params, param_len,
2265 /****************************************************************************
2266 Reply to set user quota
2267 ****************************************************************************/
2269 static void call_nt_transact_set_user_quota(connection_struct *conn,
2270 struct smb_request *req,
2274 uint32 parameter_count,
2277 uint32 max_data_count)
2279 char *params = *ppparams;
2280 char *pdata = *ppdata;
2281 int data_len=0,param_len=0;
2282 SMB_NTQUOTA_STRUCT qt;
2285 files_struct *fsp = NULL;
2290 if (conn->server_info->utok.uid != 0) {
2291 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2292 "[%s]\n", lp_servicename(SNUM(conn)),
2293 conn->server_info->unix_name));
2294 reply_doserror(req, ERRDOS, ERRnoaccess);
2299 * Ensure minimum number of parameters sent.
2302 if (parameter_count < 2) {
2303 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2304 reply_doserror(req, ERRDOS, ERRinvalidparam);
2308 /* maybe we can check the quota_fnum */
2309 fsp = file_fsp(SVAL(params,0));
2310 if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2311 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2312 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2316 if (data_count < 40) {
2317 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2318 reply_doserror(req, ERRDOS, ERRunknownlevel);
2322 /* offset to next quota record.
2323 * 4 bytes IVAL(pdata,0)
2328 sid_len = IVAL(pdata,4);
2330 if (data_count < 40+sid_len) {
2331 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2332 reply_doserror(req, ERRDOS, ERRunknownlevel);
2336 /* unknown 8 bytes in pdata
2337 * maybe its the change time in NTTIME
2340 /* the used space 8 bytes (SMB_BIG_UINT)*/
2341 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2342 #ifdef LARGE_SMB_OFF_T
2343 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2344 #else /* LARGE_SMB_OFF_T */
2345 if ((IVAL(pdata,20) != 0)&&
2346 ((qt.usedspace != 0xFFFFFFFF)||
2347 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2348 /* more than 32 bits? */
2349 reply_doserror(req, ERRDOS, ERRunknownlevel);
2352 #endif /* LARGE_SMB_OFF_T */
2354 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2355 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2356 #ifdef LARGE_SMB_OFF_T
2357 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2358 #else /* LARGE_SMB_OFF_T */
2359 if ((IVAL(pdata,28) != 0)&&
2360 ((qt.softlim != 0xFFFFFFFF)||
2361 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2362 /* more than 32 bits? */
2363 reply_doserror(req, ERRDOS, ERRunknownlevel);
2366 #endif /* LARGE_SMB_OFF_T */
2368 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2369 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2370 #ifdef LARGE_SMB_OFF_T
2371 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2372 #else /* LARGE_SMB_OFF_T */
2373 if ((IVAL(pdata,36) != 0)&&
2374 ((qt.hardlim != 0xFFFFFFFF)||
2375 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2376 /* more than 32 bits? */
2377 reply_doserror(req, ERRDOS, ERRunknownlevel);
2380 #endif /* LARGE_SMB_OFF_T */
2382 sid_parse(pdata+40,sid_len,&sid);
2383 DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2385 /* 44 unknown bytes left... */
2387 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2388 reply_doserror(req, ERRSRV, ERRerror);
2392 send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2395 #endif /* HAVE_SYS_QUOTAS */
2397 static void handle_nttrans(connection_struct *conn,
2398 struct trans_state *state,
2399 struct smb_request *req)
2401 if (Protocol >= PROTOCOL_NT1) {
2402 req->flags2 |= 0x40; /* IS_LONG_NAME */
2403 SSVAL(req->inbuf,smb_flg2,req->flags2);
2406 /* Now we must call the relevant NT_TRANS function */
2407 switch(state->call) {
2408 case NT_TRANSACT_CREATE:
2410 START_PROFILE(NT_transact_create);
2411 call_nt_transact_create(
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_create);
2421 case NT_TRANSACT_IOCTL:
2423 START_PROFILE(NT_transact_ioctl);
2424 call_nt_transact_ioctl(
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_ioctl);
2434 case NT_TRANSACT_SET_SECURITY_DESC:
2436 START_PROFILE(NT_transact_set_security_desc);
2437 call_nt_transact_set_security_desc(
2439 &state->setup, state->setup_count,
2440 &state->param, state->total_param,
2441 &state->data, state->total_data,
2442 state->max_data_return);
2443 END_PROFILE(NT_transact_set_security_desc);
2447 case NT_TRANSACT_NOTIFY_CHANGE:
2449 START_PROFILE(NT_transact_notify_change);
2450 call_nt_transact_notify_change(
2452 &state->setup, state->setup_count,
2453 &state->param, state->total_param,
2454 &state->data, state->total_data,
2455 state->max_data_return,
2456 state->max_param_return);
2457 END_PROFILE(NT_transact_notify_change);
2461 case NT_TRANSACT_RENAME:
2463 START_PROFILE(NT_transact_rename);
2464 call_nt_transact_rename(
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_rename);
2474 case NT_TRANSACT_QUERY_SECURITY_DESC:
2476 START_PROFILE(NT_transact_query_security_desc);
2477 call_nt_transact_query_security_desc(
2479 &state->setup, state->setup_count,
2480 &state->param, state->total_param,
2481 &state->data, state->total_data,
2482 state->max_data_return);
2483 END_PROFILE(NT_transact_query_security_desc);
2487 #ifdef HAVE_SYS_QUOTAS
2488 case NT_TRANSACT_GET_USER_QUOTA:
2490 START_PROFILE(NT_transact_get_user_quota);
2491 call_nt_transact_get_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_get_user_quota);
2501 case NT_TRANSACT_SET_USER_QUOTA:
2503 START_PROFILE(NT_transact_set_user_quota);
2504 call_nt_transact_set_user_quota(
2506 &state->setup, state->setup_count,
2507 &state->param, state->total_param,
2508 &state->data, state->total_data,
2509 state->max_data_return);
2510 END_PROFILE(NT_transact_set_user_quota);
2513 #endif /* HAVE_SYS_QUOTAS */
2516 /* Error in request */
2517 DEBUG(0,("handle_nttrans: Unknown request %d in "
2518 "nttrans call\n", state->call));
2519 reply_doserror(req, ERRSRV, ERRerror);
2525 /****************************************************************************
2526 Reply to a SMBNTtrans.
2527 ****************************************************************************/
2529 void reply_nttrans(struct smb_request *req)
2531 connection_struct *conn = req->conn;
2536 uint16 function_code;
2538 struct trans_state *state;
2542 START_PROFILE(SMBnttrans);
2544 if (req->wct < 19) {
2545 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2546 END_PROFILE(SMBnttrans);
2550 size = smb_len(req->inbuf) + 4;
2551 av_size = smb_len(req->inbuf);
2552 pscnt = IVAL(req->inbuf,smb_nt_ParameterCount);
2553 psoff = IVAL(req->inbuf,smb_nt_ParameterOffset);
2554 dscnt = IVAL(req->inbuf,smb_nt_DataCount);
2555 dsoff = IVAL(req->inbuf,smb_nt_DataOffset);
2556 function_code = SVAL(req->inbuf, smb_nt_Function);
2558 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2559 reply_doserror(req, ERRSRV, ERRaccess);
2560 END_PROFILE(SMBnttrans);
2564 result = allow_new_trans(conn->pending_trans, req->mid);
2565 if (!NT_STATUS_IS_OK(result)) {
2566 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2567 reply_nterror(req, result);
2568 END_PROFILE(SMBnttrans);
2572 if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2573 reply_doserror(req, ERRSRV, ERRaccess);
2574 END_PROFILE(SMBnttrans);
2578 state->cmd = SMBnttrans;
2580 state->mid = req->mid;
2581 state->vuid = req->vuid;
2582 state->total_data = IVAL(req->inbuf, smb_nt_TotalDataCount);
2584 state->total_param = IVAL(req->inbuf, smb_nt_TotalParameterCount);
2585 state->param = NULL;
2586 state->max_data_return = IVAL(req->inbuf,smb_nt_MaxDataCount);
2587 state->max_param_return = IVAL(req->inbuf,smb_nt_MaxParameterCount);
2589 /* setup count is in *words* */
2590 state->setup_count = 2*CVAL(req->inbuf,smb_nt_SetupCount);
2591 state->setup = NULL;
2592 state->call = function_code;
2595 * All nttrans messages we handle have smb_wct == 19 +
2596 * state->setup_count. Ensure this is so as a sanity check.
2599 if(req->wct != 19 + (state->setup_count/2)) {
2600 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2601 req->wct, 19 + (state->setup_count/2)));
2605 /* Don't allow more than 128mb for each value. */
2606 if ((state->total_data > (1024*1024*128)) ||
2607 (state->total_param > (1024*1024*128))) {
2608 reply_doserror(req, ERRDOS, ERRnomem);
2609 END_PROFILE(SMBnttrans);
2613 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2616 if (state->total_data) {
2617 /* Can't use talloc here, the core routines do realloc on the
2618 * params and data. */
2619 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2620 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2621 "bytes !\n", (unsigned int)state->total_data));
2623 reply_doserror(req, ERRDOS, ERRnomem);
2624 END_PROFILE(SMBnttrans);
2628 if (dscnt > state->total_data ||
2629 dsoff+dscnt < dsoff) {
2633 if (dsoff > av_size ||
2635 dsoff+dscnt > av_size) {
2639 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2642 if (state->total_param) {
2643 /* Can't use talloc here, the core routines do realloc on the
2644 * params and data. */
2645 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2646 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2647 "bytes !\n", (unsigned int)state->total_param));
2648 SAFE_FREE(state->data);
2650 reply_doserror(req, ERRDOS, ERRnomem);
2651 END_PROFILE(SMBnttrans);
2655 if (pscnt > state->total_param ||
2656 psoff+pscnt < psoff) {
2660 if (psoff > av_size ||
2662 psoff+pscnt > av_size) {
2666 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2669 state->received_data = dscnt;
2670 state->received_param = pscnt;
2672 if(state->setup_count > 0) {
2673 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2674 state->setup_count));
2675 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2676 if (state->setup == NULL) {
2677 DEBUG(0,("reply_nttrans : Out of memory\n"));
2678 SAFE_FREE(state->data);
2679 SAFE_FREE(state->param);
2681 reply_doserror(req, ERRDOS, ERRnomem);
2682 END_PROFILE(SMBnttrans);
2686 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2687 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2690 if (smb_nt_SetupStart + state->setup_count > size) {
2694 memcpy( state->setup, &req->inbuf[smb_nt_SetupStart],
2695 state->setup_count);
2696 dump_data(10, (uint8 *)state->setup, state->setup_count);
2699 if ((state->received_data == state->total_data) &&
2700 (state->received_param == state->total_param)) {
2701 handle_nttrans(conn, state, req);
2702 SAFE_FREE(state->param);
2703 SAFE_FREE(state->data);
2705 END_PROFILE(SMBnttrans);
2709 DLIST_ADD(conn->pending_trans, state);
2711 /* We need to send an interim response then receive the rest
2712 of the parameter/data bytes */
2713 reply_outbuf(req, 0, 0);
2714 show_msg((char *)req->outbuf);
2715 END_PROFILE(SMBnttrans);
2720 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2721 SAFE_FREE(state->data);
2722 SAFE_FREE(state->param);
2724 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2725 END_PROFILE(SMBnttrans);
2729 /****************************************************************************
2730 Reply to a SMBnttranss
2731 ****************************************************************************/
2733 void reply_nttranss(struct smb_request *req)
2735 connection_struct *conn = req->conn;
2736 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2737 struct trans_state *state;
2741 START_PROFILE(SMBnttranss);
2743 show_msg((char *)req->inbuf);
2745 if (req->wct < 18) {
2746 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2747 END_PROFILE(SMBnttranss);
2751 for (state = conn->pending_trans; state != NULL;
2752 state = state->next) {
2753 if (state->mid == req->mid) {
2758 if ((state == NULL) || (state->cmd != SMBnttrans)) {
2759 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2760 END_PROFILE(SMBnttranss);
2764 /* Revise state->total_param and state->total_data in case they have
2765 changed downwards */
2766 if (IVAL(req->inbuf, smb_nts_TotalParameterCount)
2767 < state->total_param) {
2768 state->total_param = IVAL(req->inbuf,
2769 smb_nts_TotalParameterCount);
2771 if (IVAL(req->inbuf, smb_nts_TotalDataCount) < state->total_data) {
2772 state->total_data = IVAL(req->inbuf, smb_nts_TotalDataCount);
2775 size = smb_len(req->inbuf) + 4;
2776 av_size = smb_len(req->inbuf);
2778 pcnt = IVAL(req->inbuf,smb_nts_ParameterCount);
2779 poff = IVAL(req->inbuf, smb_nts_ParameterOffset);
2780 pdisp = IVAL(req->inbuf, smb_nts_ParameterDisplacement);
2782 dcnt = IVAL(req->inbuf, smb_nts_DataCount);
2783 ddisp = IVAL(req->inbuf, smb_nts_DataDisplacement);
2784 doff = IVAL(req->inbuf, smb_nts_DataOffset);
2786 state->received_param += pcnt;
2787 state->received_data += dcnt;
2789 if ((state->received_data > state->total_data) ||
2790 (state->received_param > state->total_param))
2794 if (pdisp > state->total_param ||
2795 pcnt > state->total_param ||
2796 pdisp+pcnt > state->total_param ||
2797 pdisp+pcnt < pdisp) {
2801 if (poff > av_size ||
2803 poff+pcnt > av_size ||
2808 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,
2813 if (ddisp > state->total_data ||
2814 dcnt > state->total_data ||
2815 ddisp+dcnt > state->total_data ||
2816 ddisp+dcnt < ddisp) {
2820 if (ddisp > av_size ||
2822 ddisp+dcnt > av_size ||
2823 ddisp+dcnt < ddisp) {
2827 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,
2831 if ((state->received_param < state->total_param) ||
2832 (state->received_data < state->total_data)) {
2833 END_PROFILE(SMBnttranss);
2838 * construct_reply_common will copy smb_com from inbuf to
2839 * outbuf. SMBnttranss is wrong here.
2841 SCVAL(req->inbuf,smb_com,SMBnttrans);
2843 handle_nttrans(conn, state, req);
2845 DLIST_REMOVE(conn->pending_trans, state);
2846 SAFE_FREE(state->data);
2847 SAFE_FREE(state->param);
2849 END_PROFILE(SMBnttranss);
2854 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2855 DLIST_REMOVE(conn->pending_trans, state);
2856 SAFE_FREE(state->data);
2857 SAFE_FREE(state->param);
2859 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2860 END_PROFILE(SMBnttranss);