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Updated with sepcifics of how we determine sendfile.
[Samba.git] / source / smbd / nttrans.c
blobb40ea9edca16100109cf66331c52b4179f20d2c3
1 /*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-1998
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
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 2 of the License, or
10 (at your option) any later version.
11
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.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include "includes.h"
23
24 extern int max_send;
25 extern enum protocol_types Protocol;
26 extern int smb_read_error;
27 extern struct current_user current_user;
28
29 static const char *known_nt_pipes[] = {
30 "\\LANMAN",
31 "\\srvsvc",
32 "\\samr",
33 "\\wkssvc",
34 "\\NETLOGON",
35 "\\ntlsa",
36 "\\ntsvcs",
37 "\\lsass",
38 "\\lsarpc",
39 "\\winreg",
40 "\\initshutdown",
41 "\\spoolss",
42 "\\netdfs",
43 "\\rpcecho",
44 "\\svcctl",
45 "\\eventlog",
46 "\\unixinfo",
47 NULL
48 };
49
50 static char *nttrans_realloc(char **ptr, size_t size)
51 {
52 if (ptr==NULL) {
53 smb_panic("nttrans_realloc() called with NULL ptr\n");
54 }
55
56 *ptr = (char *)SMB_REALLOC(*ptr, size);
57 if(*ptr == NULL) {
58 return NULL;
59 }
60 memset(*ptr,'\0',size);
61 return *ptr;
62 }
63
64 /****************************************************************************
65 Send the required number of replies back.
66 We assume all fields other than the data fields are
67 set correctly for the type of call.
68 HACK ! Always assumes smb_setup field is zero.
69 ****************************************************************************/
70
71 int send_nt_replies(char *outbuf, int bufsize, NTSTATUS nt_error,
72 char *params, int paramsize, char *pdata, int datasize)
73 {
74 int data_to_send = datasize;
75 int params_to_send = paramsize;
76 int useable_space;
77 char *pp = params;
78 char *pd = pdata;
79 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
80 int alignment_offset = 3;
81 int data_alignment_offset = 0;
82
83 /*
84 * Initially set the wcnt area to be 18 - this is true for all
85 * transNT replies.
86 */
87
88 set_message(outbuf,18,0,True);
89
90 if (NT_STATUS_V(nt_error)) {
91 ERROR_NT(nt_error);
92 }
93
94 /*
95 * If there genuinely are no parameters or data to send just send
96 * the empty packet.
97 */
98
99 if(params_to_send == 0 && data_to_send == 0) {
100 show_msg(outbuf);
101 if (!send_smb(smbd_server_fd(),outbuf)) {
102 exit_server_cleanly("send_nt_replies: send_smb failed.");
103 }
104 return 0;
105 }
106
107 /*
108 * When sending params and data ensure that both are nicely aligned.
109 * Only do this alignment when there is also data to send - else
110 * can cause NT redirector problems.
111 */
112
113 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
114 data_alignment_offset = 4 - (params_to_send % 4);
115 }
116
117 /*
118 * Space is bufsize minus Netbios over TCP header minus SMB header.
119 * The alignment_offset is to align the param bytes on a four byte
120 * boundary (2 bytes for data len, one byte pad).
121 * NT needs this to work correctly.
122 */
123
124 useable_space = bufsize - ((smb_buf(outbuf)+
125 alignment_offset+data_alignment_offset) -
126 outbuf);
127
128 /*
129 * useable_space can never be more than max_send minus the
130 * alignment offset.
131 */
132
133 useable_space = MIN(useable_space,
134 max_send - (alignment_offset+data_alignment_offset));
135
136
137 while (params_to_send || data_to_send) {
138
139 /*
140 * Calculate whether we will totally or partially fill this packet.
141 */
142
143 total_sent_thistime = params_to_send + data_to_send +
144 alignment_offset + data_alignment_offset;
145
146 /*
147 * We can never send more than useable_space.
148 */
149
150 total_sent_thistime = MIN(total_sent_thistime, useable_space);
151
152 set_message(outbuf, 18, total_sent_thistime, True);
153
154 /*
155 * Set total params and data to be sent.
156 */
157
158 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
159 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
160
161 /*
162 * Calculate how many parameters and data we can fit into
163 * this packet. Parameters get precedence.
164 */
165
166 params_sent_thistime = MIN(params_to_send,useable_space);
167 data_sent_thistime = useable_space - params_sent_thistime;
168 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
169
170 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
171
172 if(params_sent_thistime == 0) {
173 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
174 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
175 } else {
176 /*
177 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
178 * parameter bytes, however the first 4 bytes of outbuf are
179 * the Netbios over TCP header. Thus use smb_base() to subtract
180 * them from the calculation.
181 */
182
183 SIVAL(outbuf,smb_ntr_ParameterOffset,
184 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
185 /*
186 * Absolute displacement of param bytes sent in this packet.
187 */
188
189 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
190 }
191
192 /*
193 * Deal with the data portion.
194 */
195
196 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
197
198 if(data_sent_thistime == 0) {
199 SIVAL(outbuf,smb_ntr_DataOffset,0);
200 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
201 } else {
202 /*
203 * The offset of the data bytes is the offset of the
204 * parameter bytes plus the number of parameters being sent this time.
205 */
206
207 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
208 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
209 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
210 }
211
212 /*
213 * Copy the param bytes into the packet.
214 */
215
216 if(params_sent_thistime) {
217 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
218 }
219
220 /*
221 * Copy in the data bytes
222 */
223
224 if(data_sent_thistime) {
225 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
226 data_alignment_offset,pd,data_sent_thistime);
227 }
228
229 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
230 params_sent_thistime, data_sent_thistime, useable_space));
231 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
232 params_to_send, data_to_send, paramsize, datasize));
233
234 /* Send the packet */
235 show_msg(outbuf);
236 if (!send_smb(smbd_server_fd(),outbuf)) {
237 exit_server_cleanly("send_nt_replies: send_smb failed.");
238 }
239
240 pp += params_sent_thistime;
241 pd += data_sent_thistime;
242
243 params_to_send -= params_sent_thistime;
244 data_to_send -= data_sent_thistime;
245
246 /*
247 * Sanity check
248 */
249
250 if(params_to_send < 0 || data_to_send < 0) {
251 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
252 params_to_send, data_to_send));
253 return -1;
254 }
255 }
256
257 return 0;
258 }
259
260 /****************************************************************************
261 Is it an NTFS stream name ?
262 ****************************************************************************/
263
264 BOOL is_ntfs_stream_name(const char *fname)
265 {
266 if (lp_posix_pathnames()) {
267 return False;
268 }
269 return (strchr_m(fname, ':') != NULL) ? True : False;
270 }
271
272 /****************************************************************************
273 Save case statics.
274 ****************************************************************************/
275
276 static BOOL saved_case_sensitive;
277 static BOOL saved_case_preserve;
278 static BOOL saved_short_case_preserve;
279
280 /****************************************************************************
281 Save case semantics.
282 ****************************************************************************/
283
284 static uint32 set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
285 {
286 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
287 return file_attributes;
288 }
289
290 saved_case_sensitive = conn->case_sensitive;
291 saved_case_preserve = conn->case_preserve;
292 saved_short_case_preserve = conn->short_case_preserve;
293
294 /* Set to POSIX. */
295 conn->case_sensitive = True;
296 conn->case_preserve = True;
297 conn->short_case_preserve = True;
298
299 return (file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
300 }
301
302 /****************************************************************************
303 Restore case semantics.
304 ****************************************************************************/
305
306 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
307 {
308 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
309 return;
310 }
311
312 conn->case_sensitive = saved_case_sensitive;
313 conn->case_preserve = saved_case_preserve;
314 conn->short_case_preserve = saved_short_case_preserve;
315 }
316
317 /****************************************************************************
318 Reply to an NT create and X call on a pipe.
319 ****************************************************************************/
320
321 static int nt_open_pipe(char *fname, connection_struct *conn,
322 char *inbuf, char *outbuf, int *ppnum)
323 {
324 smb_np_struct *p = NULL;
325 uint16 vuid = SVAL(inbuf, smb_uid);
326 int i;
327
328 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
329
330 /* See if it is one we want to handle. */
331
332 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
333 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
334 }
335
336 for( i = 0; known_nt_pipes[i]; i++ ) {
337 if( strequal(fname,known_nt_pipes[i])) {
338 break;
339 }
340 }
341
342 if ( known_nt_pipes[i] == NULL ) {
343 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
344 }
345
346 /* Strip \\ off the name. */
347 fname++;
348
349 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
350
351 p = open_rpc_pipe_p(fname, conn, vuid);
352 if (!p) {
353 return(ERROR_DOS(ERRSRV,ERRnofids));
354 }
355
356 /* Add pipe to db */
357
358 if ( !store_pipe_opendb( p ) ) {
359 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
360 }
361
362 *ppnum = p->pnum;
363 return 0;
364 }
365
366 /****************************************************************************
367 Reply to an NT create and X call for pipes.
368 ****************************************************************************/
369
370 static int do_ntcreate_pipe_open(connection_struct *conn,
371 char *inbuf,char *outbuf,int length,int bufsize)
372 {
373 pstring fname;
374 int ret;
375 int pnum = -1;
376 char *p = NULL;
377 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
378
379 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
380
381 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
382 return ret;
383 }
384
385 /*
386 * Deal with pipe return.
387 */
388
389 if (flags & EXTENDED_RESPONSE_REQUIRED) {
390 /* This is very strange. We
391 * return 50 words, but only set
392 * the wcnt to 42 ? It's definately
393 * what happens on the wire....
394 */
395 set_message(outbuf,50,0,True);
396 SCVAL(outbuf,smb_wct,42);
397 } else {
398 set_message(outbuf,34,0,True);
399 }
400
401 p = outbuf + smb_vwv2;
402 p++;
403 SSVAL(p,0,pnum);
404 p += 2;
405 SIVAL(p,0,FILE_WAS_OPENED);
406 p += 4;
407 p += 32;
408 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
409 p += 20;
410 /* File type. */
411 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
412 /* Device state. */
413 SSVAL(p,2, 0x5FF); /* ? */
414 p += 4;
415
416 if (flags & EXTENDED_RESPONSE_REQUIRED) {
417 p += 25;
418 SIVAL(p,0,FILE_GENERIC_ALL);
419 /*
420 * For pipes W2K3 seems to return
421 * 0x12019B next.
422 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
423 */
424 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
425 }
426
427 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
428
429 return chain_reply(inbuf,outbuf,length,bufsize);
430 }
431
432 /****************************************************************************
433 Reply to an NT create and X call for a quota file.
434 ****************************************************************************/
435
436 int reply_ntcreate_and_X_quota(connection_struct *conn,
437 char *inbuf,
438 char *outbuf,
439 int length,
440 int bufsize,
441 enum FAKE_FILE_TYPE fake_file_type,
442 const char *fname)
443 {
444 int result;
445 char *p;
446 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
447 files_struct *fsp;
448 NTSTATUS status;
449
450 status = open_fake_file(conn, fake_file_type, fname, desired_access,
451 &fsp);
452
453 if (!NT_STATUS_IS_OK(status)) {
454 return ERROR_NT(status);
455 }
456
457 set_message(outbuf,34,0,True);
458
459 p = outbuf + smb_vwv2;
460
461 /* SCVAL(p,0,NO_OPLOCK_RETURN); */
462 p++;
463 SSVAL(p,0,fsp->fnum);
464
465 DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
466
467 result = chain_reply(inbuf,outbuf,length,bufsize);
468 return result;
469 }
470
471 /****************************************************************************
472 Reply to an NT create and X call.
473 ****************************************************************************/
474
475 int reply_ntcreate_and_X(connection_struct *conn,
476 char *inbuf,char *outbuf,int length,int bufsize)
477 {
478 int result;
479 pstring fname;
480 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
481 uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
482 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
483 uint32 new_file_attributes;
484 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
485 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
486 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
487 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
488 /* Breakout the oplock request bits so we can set the
489 reply bits separately. */
490 int oplock_request = 0;
491 uint32 fattr=0;
492 SMB_OFF_T file_len = 0;
493 SMB_STRUCT_STAT sbuf;
494 int info = 0;
495 files_struct *fsp = NULL;
496 char *p = NULL;
497 struct timespec c_timespec;
498 struct timespec a_timespec;
499 struct timespec m_timespec;
500 BOOL extended_oplock_granted = False;
501 NTSTATUS status;
502
503 START_PROFILE(SMBntcreateX);
504
505 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
506 "file_attributes = 0x%x, share_access = 0x%x, "
507 "create_disposition = 0x%x create_options = 0x%x "
508 "root_dir_fid = 0x%x\n",
509 (unsigned int)flags,
510 (unsigned int)access_mask,
511 (unsigned int)file_attributes,
512 (unsigned int)share_access,
513 (unsigned int)create_disposition,
514 (unsigned int)create_options,
515 (unsigned int)root_dir_fid ));
516
517 /*
518 * If it's an IPC, use the pipe handler.
519 */
520
521 if (IS_IPC(conn)) {
522 if (lp_nt_pipe_support()) {
523 END_PROFILE(SMBntcreateX);
524 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
525 } else {
526 END_PROFILE(SMBntcreateX);
527 return(ERROR_DOS(ERRDOS,ERRnoaccess));
528 }
529 }
530
531 if (create_options & FILE_OPEN_BY_FILE_ID) {
532 END_PROFILE(SMBntcreateX);
533 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
534 }
535
536 /*
537 * Get the file name.
538 */
539
540 if(root_dir_fid != 0) {
541 /*
542 * This filename is relative to a directory fid.
543 */
544 pstring rel_fname;
545 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
546
547 if(!dir_fsp) {
548 END_PROFILE(SMBntcreateX);
549 return ERROR_DOS(ERRDOS,ERRbadfid);
550 }
551
552 if(!dir_fsp->is_directory) {
553
554 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
555 if (!NT_STATUS_IS_OK(status)) {
556 END_PROFILE(SMBntcreateX);
557 return ERROR_NT(status);
558 }
559
560 /*
561 * Check to see if this is a mac fork of some kind.
562 */
563
564 if( is_ntfs_stream_name(fname)) {
565 END_PROFILE(SMBntcreateX);
566 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
567 }
568
569 /*
570 we need to handle the case when we get a
571 relative open relative to a file and the
572 pathname is blank - this is a reopen!
573 (hint from demyn plantenberg)
574 */
575
576 END_PROFILE(SMBntcreateX);
577 return(ERROR_DOS(ERRDOS,ERRbadfid));
578 }
579
580 /*
581 * Copy in the base directory name.
582 */
583
584 pstrcpy( fname, dir_fsp->fsp_name );
585
586 if (ISDOT(fname)) {
587 fname[0] = '\0';
588 } else {
589 size_t dir_name_len = strlen(fname);
590 /*
591 * Ensure it ends in a '\'.
592 */
593
594 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
595 pstrcat(fname, "/");
596 }
597 }
598
599 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
600 if (!NT_STATUS_IS_OK(status)) {
601 END_PROFILE(SMBntcreateX);
602 return ERROR_NT(status);
603 }
604 pstrcat(fname, rel_fname);
605 } else {
606 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
607 if (!NT_STATUS_IS_OK(status)) {
608 END_PROFILE(SMBntcreateX);
609 return ERROR_NT(status);
610 }
611
612 /*
613 * Check to see if this is a mac fork of some kind.
614 */
615
616 if( is_ntfs_stream_name(fname)) {
617 enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
618 if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
619 /*
620 * Here we go! support for changing the disk quotas --metze
621 *
622 * We need to fake up to open this MAGIC QUOTA file
623 * and return a valid FID.
624 *
625 * w2k close this file directly after openening
626 * xp also tries a QUERY_FILE_INFO on the file and then close it
627 */
628 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
629 fake_file_type, fname);
630 END_PROFILE(SMBntcreateX);
631 return result;
632 } else {
633 END_PROFILE(SMBntcreateX);
634 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
635 }
636 }
637 }
638
639 /*
640 * Now contruct the smb_open_mode value from the filename,
641 * desired access and the share access.
642 */
643 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
644 if (!NT_STATUS_IS_OK(status)) {
645 END_PROFILE(SMBntcreateX);
646 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
647 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
648 }
649 return ERROR_NT(status);
650 }
651
652 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
653 if (oplock_request) {
654 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
655 }
656
657 /*
658 * Ordinary file or directory.
659 */
660
661 /*
662 * Check if POSIX semantics are wanted.
663 */
664
665 new_file_attributes = set_posix_case_semantics(conn, file_attributes);
666
667 status = unix_convert(conn, fname, False, NULL, &sbuf);
668 if (!NT_STATUS_IS_OK(status)) {
669 restore_case_semantics(conn, file_attributes);
670 END_PROFILE(SMBntcreateX);
671 return ERROR_NT(status);
672 }
673 /* All file access must go through check_name() */
674 status = check_name(conn, fname);
675 if (!NT_STATUS_IS_OK(status)) {
676 restore_case_semantics(conn, file_attributes);
677 END_PROFILE(SMBntcreateX);
678 return ERROR_NT(status);
679 }
680
681 /* This is the correct thing to do (check every time) but can_delete is
682 expensive (it may have to read the parent directory permissions). So
683 for now we're not doing it unless we have a strong hint the client
684 is really going to delete this file. If the client is forcing FILE_CREATE
685 let the filesystem take care of the permissions. */
686
687 /* Setting FILE_SHARE_DELETE is the hint. */
688
689 if (lp_acl_check_permissions(SNUM(conn))
690 && (create_disposition != FILE_CREATE)
691 && (share_access & FILE_SHARE_DELETE)
692 && (access_mask & DELETE_ACCESS)) {
693 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
694 !can_delete_file_in_directory(conn, fname)) {
695 restore_case_semantics(conn, file_attributes);
696 END_PROFILE(SMBntcreateX);
697 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
698 }
699 }
700
701 /*
702 * If it's a request for a directory open, deal with it separately.
703 */
704
705 if(create_options & FILE_DIRECTORY_FILE) {
706
707 /* Can't open a temp directory. IFS kit test. */
708 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
709 END_PROFILE(SMBntcreateX);
710 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
711 }
712
713 oplock_request = 0;
714 status = open_directory(conn, fname, &sbuf,
715 access_mask,
716 share_access,
717 create_disposition,
718 create_options,
719 new_file_attributes,
720 &info, &fsp);
721 } else {
722
723 /*
724 * Ordinary file case.
725 */
726
727 /* NB. We have a potential bug here. If we
728 * cause an oplock break to ourselves, then we
729 * could end up processing filename related
730 * SMB requests whilst we await the oplock
731 * break response. As we may have changed the
732 * filename case semantics to be POSIX-like,
733 * this could mean a filename request could
734 * fail when it should succeed. This is a rare
735 * condition, but eventually we must arrange
736 * to restore the correct case semantics
737 * before issuing an oplock break request to
738 * our client. JRA. */
739
740 status = open_file_ntcreate(conn,fname,&sbuf,
741 access_mask,
742 share_access,
743 create_disposition,
744 create_options,
745 new_file_attributes,
746 oplock_request,
747 &info, &fsp);
748
749 if (!NT_STATUS_IS_OK(status)) {
750 /* We cheat here. There are two cases we
751 * care about. One is a directory rename,
752 * where the NT client will attempt to
753 * open the source directory for
754 * DELETE access. Note that when the
755 * NT client does this it does *not*
756 * set the directory bit in the
757 * request packet. This is translated
758 * into a read/write open
759 * request. POSIX states that any open
760 * for write request on a directory
761 * will generate an EISDIR error, so
762 * we can catch this here and open a
763 * pseudo handle that is flagged as a
764 * directory. The second is an open
765 * for a permissions read only, which
766 * we handle in the open_file_stat case. JRA.
767 */
768
769 if (NT_STATUS_EQUAL(status,
770 NT_STATUS_FILE_IS_A_DIRECTORY)) {
771
772 /*
773 * Fail the open if it was explicitly a non-directory file.
774 */
775
776 if (create_options & FILE_NON_DIRECTORY_FILE) {
777 restore_case_semantics(conn, file_attributes);
778 END_PROFILE(SMBntcreateX);
779 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
780 }
781
782 oplock_request = 0;
783 status = open_directory(conn, fname, &sbuf,
784 access_mask,
785 share_access,
786 create_disposition,
787 create_options,
788 new_file_attributes,
789 &info, &fsp);
790
791 }
792 }
793 }
794
795 restore_case_semantics(conn, file_attributes);
796
797 if(!NT_STATUS_IS_OK(status)) {
798 END_PROFILE(SMBntcreateX);
799
800 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
801 /* We have re-scheduled this call. */
802 return -1;
803 }
804
805 return ERROR_OPEN(status);
806 }
807
808 file_len = sbuf.st_size;
809 fattr = dos_mode(conn,fname,&sbuf);
810 if(fattr == 0) {
811 fattr = FILE_ATTRIBUTE_NORMAL;
812 }
813 if (!fsp->is_directory && (fattr & aDIR)) {
814 close_file(fsp,ERROR_CLOSE);
815 END_PROFILE(SMBntcreateX);
816 return ERROR_DOS(ERRDOS,ERRnoaccess);
817 }
818
819 /* Save the requested allocation size. */
820 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
821 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
822 #ifdef LARGE_SMB_OFF_T
823 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
824 #endif
825 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
826 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
827 if (fsp->is_directory) {
828 close_file(fsp,ERROR_CLOSE);
829 END_PROFILE(SMBntcreateX);
830 /* Can't set allocation size on a directory. */
831 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
832 }
833 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
834 close_file(fsp,ERROR_CLOSE);
835 END_PROFILE(SMBntcreateX);
836 return ERROR_NT(NT_STATUS_DISK_FULL);
837 }
838 } else {
839 fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
840 }
841 }
842
843 /*
844 * If the caller set the extended oplock request bit
845 * and we granted one (by whatever means) - set the
846 * correct bit for extended oplock reply.
847 */
848
849 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
850 extended_oplock_granted = True;
851 }
852
853 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
854 extended_oplock_granted = True;
855 }
856
857 if (flags & EXTENDED_RESPONSE_REQUIRED) {
858 /* This is very strange. We
859 * return 50 words, but only set
860 * the wcnt to 42 ? It's definately
861 * what happens on the wire....
862 */
863 set_message(outbuf,50,0,True);
864 SCVAL(outbuf,smb_wct,42);
865 } else {
866 set_message(outbuf,34,0,True);
867 }
868
869 p = outbuf + smb_vwv2;
870
871 /*
872 * Currently as we don't support level II oplocks we just report
873 * exclusive & batch here.
874 */
875
876 if (extended_oplock_granted) {
877 if (flags & REQUEST_BATCH_OPLOCK) {
878 SCVAL(p,0, BATCH_OPLOCK_RETURN);
879 } else {
880 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
881 }
882 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
883 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
884 } else {
885 SCVAL(p,0,NO_OPLOCK_RETURN);
886 }
887
888 p++;
889 SSVAL(p,0,fsp->fnum);
890 p += 2;
891 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
892 SIVAL(p,0,FILE_WAS_SUPERSEDED);
893 } else {
894 SIVAL(p,0,info);
895 }
896 p += 4;
897
898 /* Create time. */
899 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
900 a_timespec = get_atimespec(&sbuf);
901 m_timespec = get_mtimespec(&sbuf);
902
903 if (lp_dos_filetime_resolution(SNUM(conn))) {
904 dos_filetime_timespec(&c_timespec);
905 dos_filetime_timespec(&a_timespec);
906 dos_filetime_timespec(&m_timespec);
907 }
908
909 put_long_date_timespec(p, c_timespec); /* create time. */
910 p += 8;
911 put_long_date_timespec(p, a_timespec); /* access time */
912 p += 8;
913 put_long_date_timespec(p, m_timespec); /* write time */
914 p += 8;
915 put_long_date_timespec(p, m_timespec); /* change time */
916 p += 8;
917 SIVAL(p,0,fattr); /* File Attributes. */
918 p += 4;
919 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
920 p += 8;
921 SOFF_T(p,0,file_len);
922 p += 8;
923 if (flags & EXTENDED_RESPONSE_REQUIRED) {
924 SSVAL(p,2,0x7);
925 }
926 p += 4;
927 SCVAL(p,0,fsp->is_directory ? 1 : 0);
928
929 if (flags & EXTENDED_RESPONSE_REQUIRED) {
930 uint32 perms = 0;
931 p += 25;
932 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
933 perms = FILE_GENERIC_ALL;
934 } else {
935 perms = FILE_GENERIC_READ|FILE_EXECUTE;
936 }
937 SIVAL(p,0,perms);
938 }
939
940 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
941
942 result = chain_reply(inbuf,outbuf,length,bufsize);
943 END_PROFILE(SMBntcreateX);
944 return result;
945 }
946
947 /****************************************************************************
948 Reply to a NT_TRANSACT_CREATE call to open a pipe.
949 ****************************************************************************/
950
951 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
952 uint16 **ppsetup, uint32 setup_count,
953 char **ppparams, uint32 parameter_count,
954 char **ppdata, uint32 data_count)
955 {
956 pstring fname;
957 char *params = *ppparams;
958 int ret;
959 int pnum = -1;
960 char *p = NULL;
961 NTSTATUS status;
962 size_t param_len;
963 uint32 flags;
964
965 /*
966 * Ensure minimum number of parameters sent.
967 */
968
969 if(parameter_count < 54) {
970 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
971 return ERROR_DOS(ERRDOS,ERRnoaccess);
972 }
973
974 flags = IVAL(params,0);
975
976 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
977 if (!NT_STATUS_IS_OK(status)) {
978 return ERROR_NT(status);
979 }
980
981 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
982 return ret;
983 }
984
985 /* Realloc the size of parameters and data we will return */
986 if (flags & EXTENDED_RESPONSE_REQUIRED) {
987 /* Extended response is 32 more byyes. */
988 param_len = 101;
989 } else {
990 param_len = 69;
991 }
992 params = nttrans_realloc(ppparams, param_len);
993 if(params == NULL) {
994 return ERROR_DOS(ERRDOS,ERRnomem);
995 }
996
997 p = params;
998 SCVAL(p,0,NO_OPLOCK_RETURN);
999
1000 p += 2;
1001 SSVAL(p,0,pnum);
1002 p += 2;
1003 SIVAL(p,0,FILE_WAS_OPENED);
1004 p += 8;
1005
1006 p += 32;
1007 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1008 p += 20;
1009 /* File type. */
1010 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1011 /* Device state. */
1012 SSVAL(p,2, 0x5FF); /* ? */
1013 p += 4;
1014
1015 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1016 p += 25;
1017 SIVAL(p,0,FILE_GENERIC_ALL);
1018 /*
1019 * For pipes W2K3 seems to return
1020 * 0x12019B next.
1021 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1022 */
1023 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1024 }
1025
1026 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1027
1028 /* Send the required number of replies */
1029 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1030
1031 return -1;
1032 }
1033
1034 /****************************************************************************
1035 Internal fn to set security descriptors.
1036 ****************************************************************************/
1037
1038 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1039 {
1040 prs_struct pd;
1041 SEC_DESC *psd = NULL;
1042 TALLOC_CTX *mem_ctx;
1043 BOOL ret;
1044
1045 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1046 return NT_STATUS_OK;
1047 }
1048
1049 /*
1050 * Init the parse struct we will unmarshall from.
1051 */
1052
1053 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1054 DEBUG(0,("set_sd: talloc_init failed.\n"));
1055 return NT_STATUS_NO_MEMORY;
1056 }
1057
1058 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1059
1060 /*
1061 * Setup the prs_struct to point at the memory we just
1062 * allocated.
1063 */
1064
1065 prs_give_memory( &pd, data, sd_len, False);
1066
1067 /*
1068 * Finally, unmarshall from the data buffer.
1069 */
1070
1071 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1072 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1073 /*
1074 * Return access denied for want of a better error message..
1075 */
1076 talloc_destroy(mem_ctx);
1077 return NT_STATUS_NO_MEMORY;
1078 }
1079
1080 if (psd->owner_sid==0) {
1081 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1082 }
1083 if (psd->group_sid==0) {
1084 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1085 }
1086 if (psd->sacl==0) {
1087 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1088 }
1089 if (psd->dacl==0) {
1090 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1091 }
1092
1093 ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1094
1095 if (!ret) {
1096 talloc_destroy(mem_ctx);
1097 return NT_STATUS_ACCESS_DENIED;
1098 }
1099
1100 talloc_destroy(mem_ctx);
1101
1102 return NT_STATUS_OK;
1103 }
1104
1105 /****************************************************************************
1106 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1107 ****************************************************************************/
1108
1109 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1110 {
1111 struct ea_list *ea_list_head = NULL;
1112 size_t offset = 0;
1113
1114 if (data_size < 4) {
1115 return NULL;
1116 }
1117
1118 while (offset + 4 <= data_size) {
1119 size_t next_offset = IVAL(pdata,offset);
1120 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1121
1122 if (!eal) {
1123 return NULL;
1124 }
1125
1126 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1127 if (next_offset == 0) {
1128 break;
1129 }
1130 offset += next_offset;
1131 }
1132
1133 return ea_list_head;
1134 }
1135
1136 /****************************************************************************
1137 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1138 ****************************************************************************/
1139
1140 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1141 uint16 **ppsetup, uint32 setup_count,
1142 char **ppparams, uint32 parameter_count,
1143 char **ppdata, uint32 data_count, uint32 max_data_count)
1144 {
1145 pstring fname;
1146 char *params = *ppparams;
1147 char *data = *ppdata;
1148 /* Breakout the oplock request bits so we can set the reply bits separately. */
1149 int oplock_request = 0;
1150 uint32 fattr=0;
1151 SMB_OFF_T file_len = 0;
1152 SMB_STRUCT_STAT sbuf;
1153 int info = 0;
1154 files_struct *fsp = NULL;
1155 char *p = NULL;
1156 BOOL extended_oplock_granted = False;
1157 uint32 flags;
1158 uint32 access_mask;
1159 uint32 file_attributes;
1160 uint32 new_file_attributes;
1161 uint32 share_access;
1162 uint32 create_disposition;
1163 uint32 create_options;
1164 uint32 sd_len;
1165 uint32 ea_len;
1166 uint16 root_dir_fid;
1167 struct timespec c_timespec;
1168 struct timespec a_timespec;
1169 struct timespec m_timespec;
1170 struct ea_list *ea_list = NULL;
1171 TALLOC_CTX *ctx = NULL;
1172 char *pdata = NULL;
1173 NTSTATUS status;
1174 size_t param_len;
1175
1176 DEBUG(5,("call_nt_transact_create\n"));
1177
1178 /*
1179 * If it's an IPC, use the pipe handler.
1180 */
1181
1182 if (IS_IPC(conn)) {
1183 if (lp_nt_pipe_support()) {
1184 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1185 bufsize,
1186 ppsetup, setup_count,
1187 ppparams, parameter_count,
1188 ppdata, data_count);
1189 } else {
1190 return ERROR_DOS(ERRDOS,ERRnoaccess);
1191 }
1192 }
1193
1194 /*
1195 * Ensure minimum number of parameters sent.
1196 */
1197
1198 if(parameter_count < 54) {
1199 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1200 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1201 }
1202
1203 flags = IVAL(params,0);
1204 access_mask = IVAL(params,8);
1205 file_attributes = IVAL(params,20);
1206 share_access = IVAL(params,24);
1207 create_disposition = IVAL(params,28);
1208 create_options = IVAL(params,32);
1209 sd_len = IVAL(params,36);
1210 ea_len = IVAL(params,40);
1211 root_dir_fid = (uint16)IVAL(params,4);
1212
1213 /* Ensure the data_len is correct for the sd and ea values given. */
1214 if ((ea_len + sd_len > data_count) ||
1215 (ea_len > data_count) || (sd_len > data_count) ||
1216 (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1217 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1218 (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1219 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1220 }
1221
1222 if (ea_len) {
1223 if (!lp_ea_support(SNUM(conn))) {
1224 DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1225 (unsigned int)ea_len ));
1226 return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1227 }
1228
1229 if (ea_len < 10) {
1230 DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1231 (unsigned int)ea_len ));
1232 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1233 }
1234 }
1235
1236 if (create_options & FILE_OPEN_BY_FILE_ID) {
1237 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1238 }
1239
1240 /*
1241 * Get the file name.
1242 */
1243
1244 if(root_dir_fid != 0) {
1245 /*
1246 * This filename is relative to a directory fid.
1247 */
1248 files_struct *dir_fsp = file_fsp(params,4);
1249
1250 if(!dir_fsp) {
1251 return ERROR_DOS(ERRDOS,ERRbadfid);
1252 }
1253
1254 if(!dir_fsp->is_directory) {
1255 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1256 if (!NT_STATUS_IS_OK(status)) {
1257 return ERROR_NT(status);
1258 }
1259
1260 /*
1261 * Check to see if this is a mac fork of some kind.
1262 */
1263
1264 if( is_ntfs_stream_name(fname)) {
1265 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1266 }
1267
1268 return ERROR_DOS(ERRDOS,ERRbadfid);
1269 }
1270
1271 /*
1272 * Copy in the base directory name.
1273 */
1274
1275 pstrcpy( fname, dir_fsp->fsp_name );
1276
1277 if (ISDOT(fname)) {
1278 fname[0] = '\0';
1279 } else {
1280 size_t dir_name_len = strlen(fname);
1281 /*
1282 * Ensure it ends in a '\'.
1283 */
1284
1285 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1286 pstrcat(fname, "/");
1287 }
1288 }
1289
1290 {
1291 pstring tmpname;
1292 srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1293 if (!NT_STATUS_IS_OK(status)) {
1294 return ERROR_NT(status);
1295 }
1296 pstrcat(fname, tmpname);
1297 }
1298 } else {
1299 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1300 if (!NT_STATUS_IS_OK(status)) {
1301 return ERROR_NT(status);
1302 }
1303
1304 /*
1305 * Check to see if this is a mac fork of some kind.
1306 */
1307
1308 if( is_ntfs_stream_name(fname)) {
1309 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1310 }
1311 }
1312
1313 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1314 if (oplock_request) {
1315 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1316 }
1317
1318 /*
1319 * Ordinary file or directory.
1320 */
1321
1322 /*
1323 * Check if POSIX semantics are wanted.
1324 */
1325
1326 new_file_attributes = set_posix_case_semantics(conn, file_attributes);
1327
1328 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
1329 if (!NT_STATUS_IS_OK(status)) {
1330 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1331 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1332 }
1333 return ERROR_NT(status);
1334 }
1335
1336 status = unix_convert(conn, fname, False, NULL, &sbuf);
1337 if (!NT_STATUS_IS_OK(status)) {
1338 restore_case_semantics(conn, file_attributes);
1339 return ERROR_NT(status);
1340 }
1341 /* All file access must go through check_name() */
1342 status = check_name(conn, fname);
1343 if (!NT_STATUS_IS_OK(status)) {
1344 restore_case_semantics(conn, file_attributes);
1345 return ERROR_NT(status);
1346 }
1347
1348 /* This is the correct thing to do (check every time) but can_delete is
1349 expensive (it may have to read the parent directory permissions). So
1350 for now we're not doing it unless we have a strong hint the client
1351 is really going to delete this file. If the client is forcing FILE_CREATE
1352 let the filesystem take care of the permissions. */
1353
1354 /* Setting FILE_SHARE_DELETE is the hint. */
1355
1356 if (lp_acl_check_permissions(SNUM(conn))
1357 && (create_disposition != FILE_CREATE)
1358 && (share_access & FILE_SHARE_DELETE)
1359 && (access_mask & DELETE_ACCESS)) {
1360 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
1361 !can_delete_file_in_directory(conn, fname)) {
1362 restore_case_semantics(conn, file_attributes);
1363 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1364 }
1365 }
1366
1367 if (ea_len) {
1368 pdata = data + sd_len;
1369
1370 /* We have already checked that ea_len <= data_count here. */
1371 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1372 ea_len);
1373 if (!ea_list ) {
1374 restore_case_semantics(conn, file_attributes);
1375 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1376 }
1377 }
1378
1379 /*
1380 * If it's a request for a directory open, deal with it separately.
1381 */
1382
1383 if(create_options & FILE_DIRECTORY_FILE) {
1384
1385 /* Can't open a temp directory. IFS kit test. */
1386 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1387 restore_case_semantics(conn, file_attributes);
1388 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1389 }
1390
1391 /*
1392 * We will get a create directory here if the Win32
1393 * app specified a security descriptor in the
1394 * CreateDirectory() call.
1395 */
1396
1397 oplock_request = 0;
1398 status = open_directory(conn, fname, &sbuf,
1399 access_mask,
1400 share_access,
1401 create_disposition,
1402 create_options,
1403 new_file_attributes,
1404 &info, &fsp);
1405 } else {
1406
1407 /*
1408 * Ordinary file case.
1409 */
1410
1411 status = open_file_ntcreate(conn,fname,&sbuf,
1412 access_mask,
1413 share_access,
1414 create_disposition,
1415 create_options,
1416 new_file_attributes,
1417 oplock_request,
1418 &info, &fsp);
1419
1420 if (!NT_STATUS_IS_OK(status)) {
1421 if (NT_STATUS_EQUAL(status,
1422 NT_STATUS_FILE_IS_A_DIRECTORY)) {
1423
1424 /*
1425 * Fail the open if it was explicitly a non-directory file.
1426 */
1427
1428 if (create_options & FILE_NON_DIRECTORY_FILE) {
1429 restore_case_semantics(conn, file_attributes);
1430 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1431 }
1432
1433 oplock_request = 0;
1434 status = open_directory(conn, fname, &sbuf,
1435 access_mask,
1436 share_access,
1437 create_disposition,
1438 create_options,
1439 new_file_attributes,
1440 &info, &fsp);
1441 }
1442 }
1443 }
1444
1445 restore_case_semantics(conn, file_attributes);
1446 if(!NT_STATUS_IS_OK(status)) {
1447
1448 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1449 /* We have re-scheduled this call. */
1450 return -1;
1451 }
1452
1453 return ERROR_OPEN(status);
1454 }
1455
1456 /*
1457 * According to the MS documentation, the only time the security
1458 * descriptor is applied to the opened file is iff we *created* the
1459 * file; an existing file stays the same.
1460 *
1461 * Also, it seems (from observation) that you can open the file with
1462 * any access mask but you can still write the sd. We need to override
1463 * the granted access before we call set_sd
1464 * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1465 */
1466
1467 if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1468 uint32 saved_access_mask = fsp->access_mask;
1469
1470 /* We have already checked that sd_len <= data_count here. */
1471
1472 fsp->access_mask = FILE_GENERIC_ALL;
1473
1474 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1475 if (!NT_STATUS_IS_OK(status)) {
1476 talloc_destroy(ctx);
1477 close_file(fsp,ERROR_CLOSE);
1478 restore_case_semantics(conn, file_attributes);
1479 return ERROR_NT(status);
1480 }
1481 fsp->access_mask = saved_access_mask;
1482 }
1483
1484 if (ea_len && (info == FILE_WAS_CREATED)) {
1485 status = set_ea(conn, fsp, fname, ea_list);
1486 if (!NT_STATUS_IS_OK(status)) {
1487 close_file(fsp,ERROR_CLOSE);
1488 restore_case_semantics(conn, file_attributes);
1489 return ERROR_NT(status);
1490 }
1491 }
1492
1493 restore_case_semantics(conn, file_attributes);
1494
1495 file_len = sbuf.st_size;
1496 fattr = dos_mode(conn,fname,&sbuf);
1497 if(fattr == 0) {
1498 fattr = FILE_ATTRIBUTE_NORMAL;
1499 }
1500 if (!fsp->is_directory && (fattr & aDIR)) {
1501 close_file(fsp,ERROR_CLOSE);
1502 return ERROR_DOS(ERRDOS,ERRnoaccess);
1503 }
1504
1505 /* Save the requested allocation size. */
1506 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1507 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1508 #ifdef LARGE_SMB_OFF_T
1509 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1510 #endif
1511 if (allocation_size && (allocation_size > file_len)) {
1512 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1513 if (fsp->is_directory) {
1514 close_file(fsp,ERROR_CLOSE);
1515 /* Can't set allocation size on a directory. */
1516 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1517 }
1518 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1519 close_file(fsp,ERROR_CLOSE);
1520 return ERROR_NT(NT_STATUS_DISK_FULL);
1521 }
1522 } else {
1523 fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1524 }
1525 }
1526
1527 /*
1528 * If the caller set the extended oplock request bit
1529 * and we granted one (by whatever means) - set the
1530 * correct bit for extended oplock reply.
1531 */
1532
1533 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1534 extended_oplock_granted = True;
1535 }
1536
1537 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1538 extended_oplock_granted = True;
1539 }
1540
1541 /* Realloc the size of parameters and data we will return */
1542 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1543 /* Extended response is 32 more byyes. */
1544 param_len = 101;
1545 } else {
1546 param_len = 69;
1547 }
1548 params = nttrans_realloc(ppparams, param_len);
1549 if(params == NULL) {
1550 return ERROR_DOS(ERRDOS,ERRnomem);
1551 }
1552
1553 p = params;
1554 if (extended_oplock_granted) {
1555 if (flags & REQUEST_BATCH_OPLOCK) {
1556 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1557 } else {
1558 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1559 }
1560 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1561 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1562 } else {
1563 SCVAL(p,0,NO_OPLOCK_RETURN);
1564 }
1565
1566 p += 2;
1567 SSVAL(p,0,fsp->fnum);
1568 p += 2;
1569 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1570 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1571 } else {
1572 SIVAL(p,0,info);
1573 }
1574 p += 8;
1575
1576 /* Create time. */
1577 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1578 a_timespec = get_atimespec(&sbuf);
1579 m_timespec = get_mtimespec(&sbuf);
1580
1581 if (lp_dos_filetime_resolution(SNUM(conn))) {
1582 dos_filetime_timespec(&c_timespec);
1583 dos_filetime_timespec(&a_timespec);
1584 dos_filetime_timespec(&m_timespec);
1585 }
1586
1587 put_long_date_timespec(p, c_timespec); /* create time. */
1588 p += 8;
1589 put_long_date_timespec(p, a_timespec); /* access time */
1590 p += 8;
1591 put_long_date_timespec(p, m_timespec); /* write time */
1592 p += 8;
1593 put_long_date_timespec(p, m_timespec); /* change time */
1594 p += 8;
1595 SIVAL(p,0,fattr); /* File Attributes. */
1596 p += 4;
1597 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1598 p += 8;
1599 SOFF_T(p,0,file_len);
1600 p += 8;
1601 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1602 SSVAL(p,2,0x7);
1603 }
1604 p += 4;
1605 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1606
1607 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1608 uint32 perms = 0;
1609 p += 25;
1610 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1611 perms = FILE_GENERIC_ALL;
1612 } else {
1613 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1614 }
1615 SIVAL(p,0,perms);
1616 }
1617
1618 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1619
1620 /* Send the required number of replies */
1621 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1622
1623 return -1;
1624 }
1625
1626 /****************************************************************************
1627 Reply to a NT CANCEL request.
1628 conn POINTER CAN BE NULL HERE !
1629 ****************************************************************************/
1630
1631 int reply_ntcancel(connection_struct *conn,
1632 char *inbuf,char *outbuf,int length,int bufsize)
1633 {
1634 /*
1635 * Go through and cancel any pending change notifies.
1636 */
1637
1638 int mid = SVAL(inbuf,smb_mid);
1639 START_PROFILE(SMBntcancel);
1640 remove_pending_change_notify_requests_by_mid(mid);
1641 remove_pending_lock_requests_by_mid(mid);
1642 srv_cancel_sign_response(mid);
1643
1644 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1645
1646 END_PROFILE(SMBntcancel);
1647 return(-1);
1648 }
1649
1650 /****************************************************************************
1651 Copy a file.
1652 ****************************************************************************/
1653
1654 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1655 {
1656 SMB_STRUCT_STAT sbuf1, sbuf2;
1657 pstring last_component_oldname;
1658 pstring last_component_newname;
1659 files_struct *fsp1,*fsp2;
1660 uint32 fattr;
1661 int info;
1662 SMB_OFF_T ret=-1;
1663 NTSTATUS status = NT_STATUS_OK;
1664
1665 ZERO_STRUCT(sbuf1);
1666 ZERO_STRUCT(sbuf2);
1667
1668 if (!CAN_WRITE(conn)) {
1669 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1670 }
1671
1672 status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1673 if (!NT_STATUS_IS_OK(status)) {
1674 return status;
1675 }
1676
1677 status = check_name(conn, oldname);
1678 if (!NT_STATUS_IS_OK(status)) {
1679 return status;
1680 }
1681
1682 /* Source must already exist. */
1683 if (!VALID_STAT(sbuf1)) {
1684 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1685 }
1686 /* Ensure attributes match. */
1687 fattr = dos_mode(conn,oldname,&sbuf1);
1688 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1689 return NT_STATUS_NO_SUCH_FILE;
1690 }
1691
1692 status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1693 if (!NT_STATUS_IS_OK(status)) {
1694 return status;
1695 }
1696
1697 status = check_name(conn, newname);
1698 if (!NT_STATUS_IS_OK(status)) {
1699 return status;
1700 }
1701
1702 /* Disallow if newname already exists. */
1703 if (VALID_STAT(sbuf2)) {
1704 return NT_STATUS_OBJECT_NAME_COLLISION;
1705 }
1706
1707 /* No links from a directory. */
1708 if (S_ISDIR(sbuf1.st_mode)) {
1709 return NT_STATUS_FILE_IS_A_DIRECTORY;
1710 }
1711
1712 /* Ensure this is within the share. */
1713 status = reduce_name(conn, oldname);
1714 if (!NT_STATUS_IS_OK(status)) {
1715 return status;
1716 }
1717
1718 DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1719
1720 status = open_file_ntcreate(conn,oldname,&sbuf1,
1721 FILE_READ_DATA, /* Read-only. */
1722 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1723 FILE_OPEN,
1724 0, /* No create options. */
1725 FILE_ATTRIBUTE_NORMAL,
1726 NO_OPLOCK,
1727 &info, &fsp1);
1728
1729 if (!NT_STATUS_IS_OK(status)) {
1730 return status;
1731 }
1732
1733 status = open_file_ntcreate(conn,newname,&sbuf2,
1734 FILE_WRITE_DATA, /* Read-only. */
1735 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1736 FILE_CREATE,
1737 0, /* No create options. */
1738 fattr,
1739 NO_OPLOCK,
1740 &info, &fsp2);
1741
1742 if (!NT_STATUS_IS_OK(status)) {
1743 close_file(fsp1,ERROR_CLOSE);
1744 return status;
1745 }
1746
1747 if (sbuf1.st_size) {
1748 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1749 }
1750
1751 /*
1752 * As we are opening fsp1 read-only we only expect
1753 * an error on close on fsp2 if we are out of space.
1754 * Thus we don't look at the error return from the
1755 * close of fsp1.
1756 */
1757 close_file(fsp1,NORMAL_CLOSE);
1758
1759 /* Ensure the modtime is set correctly on the destination file. */
1760 fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1761
1762 status = close_file(fsp2,NORMAL_CLOSE);
1763
1764 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1765 creates the file. This isn't the correct thing to do in the copy
1766 case. JRA */
1767 file_set_dosmode(conn, newname, fattr, &sbuf2,
1768 parent_dirname(newname));
1769
1770 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1771 return NT_STATUS_DISK_FULL;
1772 }
1773
1774 if (!NT_STATUS_IS_OK(status)) {
1775 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1776 nt_errstr(status), oldname, newname));
1777 }
1778 return status;
1779 }
1780
1781 /****************************************************************************
1782 Reply to a NT rename request.
1783 ****************************************************************************/
1784
1785 int reply_ntrename(connection_struct *conn,
1786 char *inbuf,char *outbuf,int length,int bufsize)
1787 {
1788 int outsize = 0;
1789 pstring oldname;
1790 pstring newname;
1791 char *p;
1792 NTSTATUS status;
1793 BOOL src_has_wcard = False;
1794 BOOL dest_has_wcard = False;
1795 uint32 attrs = SVAL(inbuf,smb_vwv0);
1796 uint16 rename_type = SVAL(inbuf,smb_vwv1);
1797
1798 START_PROFILE(SMBntrename);
1799
1800 p = smb_buf(inbuf) + 1;
1801 p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &src_has_wcard);
1802 if (!NT_STATUS_IS_OK(status)) {
1803 END_PROFILE(SMBntrename);
1804 return ERROR_NT(status);
1805 }
1806
1807 if( is_ntfs_stream_name(oldname)) {
1808 /* Can't rename a stream. */
1809 END_PROFILE(SMBntrename);
1810 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1811 }
1812
1813 if (ms_has_wild(oldname)) {
1814 END_PROFILE(SMBntrename);
1815 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1816 }
1817
1818 p++;
1819 p += srvstr_get_path_wcard(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, &dest_has_wcard);
1820 if (!NT_STATUS_IS_OK(status)) {
1821 END_PROFILE(SMBntrename);
1822 return ERROR_NT(status);
1823 }
1824
1825 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, oldname);
1826 if (!NT_STATUS_IS_OK(status)) {
1827 END_PROFILE(SMBntrename);
1828 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1829 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1830 }
1831 return ERROR_NT(status);
1832 }
1833
1834 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, newname);
1835 if (!NT_STATUS_IS_OK(status)) {
1836 END_PROFILE(SMBntrename);
1837 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1838 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1839 }
1840 return ERROR_NT(status);
1841 }
1842
1843 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1844
1845 switch(rename_type) {
1846 case RENAME_FLAG_RENAME:
1847 status = rename_internals(conn, oldname, newname, attrs, False, src_has_wcard, dest_has_wcard);
1848 break;
1849 case RENAME_FLAG_HARD_LINK:
1850 if (src_has_wcard || dest_has_wcard) {
1851 /* No wildcards. */
1852 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1853 } else {
1854 status = hardlink_internals(conn, oldname, newname);
1855 }
1856 break;
1857 case RENAME_FLAG_COPY:
1858 if (src_has_wcard || dest_has_wcard) {
1859 /* No wildcards. */
1860 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1861 } else {
1862 status = copy_internals(conn, oldname, newname, attrs);
1863 }
1864 break;
1865 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1866 status = NT_STATUS_INVALID_PARAMETER;
1867 break;
1868 default:
1869 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1870 break;
1871 }
1872
1873 if (!NT_STATUS_IS_OK(status)) {
1874 END_PROFILE(SMBntrename);
1875 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1876 /* We have re-scheduled this call. */
1877 return -1;
1878 }
1879 return ERROR_NT(status);
1880 }
1881
1882 outsize = set_message(outbuf,0,0,False);
1883
1884 END_PROFILE(SMBntrename);
1885 return(outsize);
1886 }
1887
1888 /****************************************************************************
1889 Reply to a notify change - queue the request and
1890 don't allow a directory to be opened.
1891 ****************************************************************************/
1892
1893 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1894 char *outbuf, int length,
1895 int bufsize,
1896 uint16 **ppsetup, uint32 setup_count,
1897 char **ppparams,
1898 uint32 parameter_count,
1899 char **ppdata, uint32 data_count,
1900 uint32 max_data_count,
1901 uint32 max_param_count)
1902 {
1903 uint16 *setup = *ppsetup;
1904 files_struct *fsp;
1905 uint32 filter;
1906 NTSTATUS status;
1907 BOOL recursive;
1908
1909 if(setup_count < 6) {
1910 return ERROR_DOS(ERRDOS,ERRbadfunc);
1911 }
1912
1913 fsp = file_fsp((char *)setup,4);
1914 filter = IVAL(setup, 0);
1915 recursive = (SVAL(setup, 6) != 0) ? True : False;
1916
1917 DEBUG(3,("call_nt_transact_notify_change\n"));
1918
1919 if(!fsp) {
1920 return ERROR_DOS(ERRDOS,ERRbadfid);
1921 }
1922
1923 {
1924 char *filter_string;
1925
1926 if (!(filter_string = notify_filter_string(NULL, filter))) {
1927 return ERROR_NT(NT_STATUS_NO_MEMORY);
1928 }
1929
1930 DEBUG(3,("call_nt_transact_notify_change: notify change "
1931 "called on %s, filter = %s, recursive = %d\n",
1932 fsp->fsp_name, filter_string, recursive));
1933
1934 TALLOC_FREE(filter_string);
1935 }
1936
1937 if((!fsp->is_directory) || (conn != fsp->conn)) {
1938 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1939 }
1940
1941 if (fsp->notify == NULL) {
1942
1943 status = change_notify_create(fsp, filter, recursive);
1944
1945 if (!NT_STATUS_IS_OK(status)) {
1946 DEBUG(10, ("change_notify_create returned %s\n",
1947 nt_errstr(status)));
1948 return ERROR_NT(status);
1949 }
1950 }
1951
1952 if (fsp->notify->num_changes != 0) {
1953
1954 /*
1955 * We've got changes pending, respond immediately
1956 */
1957
1958 /*
1959 * TODO: write a torture test to check the filtering behaviour
1960 * here.
1961 */
1962
1963 change_notify_reply(inbuf, max_param_count, fsp->notify);
1964
1965 /*
1966 * change_notify_reply() above has independently sent its
1967 * results
1968 */
1969 return -1;
1970 }
1971
1972 /*
1973 * No changes pending, queue the request
1974 */
1975
1976 status = change_notify_add_request(inbuf, max_param_count, filter,
1977 recursive, fsp);
1978 if (!NT_STATUS_IS_OK(status)) {
1979 return ERROR_NT(status);
1980 }
1981
1982 return -1;
1983 }
1984
1985 /****************************************************************************
1986 Reply to an NT transact rename command.
1987 ****************************************************************************/
1988
1989 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1990 uint16 **ppsetup, uint32 setup_count,
1991 char **ppparams, uint32 parameter_count,
1992 char **ppdata, uint32 data_count, uint32 max_data_count)
1993 {
1994 char *params = *ppparams;
1995 pstring new_name;
1996 files_struct *fsp = NULL;
1997 BOOL replace_if_exists = False;
1998 BOOL dest_has_wcard = False;
1999 NTSTATUS status;
2000
2001 if(parameter_count < 5) {
2002 return ERROR_DOS(ERRDOS,ERRbadfunc);
2003 }
2004
2005 fsp = file_fsp(params, 0);
2006 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2007 CHECK_FSP(fsp, conn);
2008 srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), parameter_count - 4,
2009 STR_TERMINATE, &status, &dest_has_wcard);
2010 if (!NT_STATUS_IS_OK(status)) {
2011 return ERROR_NT(status);
2012 }
2013
2014 status = rename_internals(conn, fsp->fsp_name,
2015 new_name, 0, replace_if_exists, False, dest_has_wcard);
2016
2017 if (!NT_STATUS_IS_OK(status)) {
2018 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
2019 /* We have re-scheduled this call. */
2020 return -1;
2021 }
2022 return ERROR_NT(status);
2023 }
2024
2025 /*
2026 * Rename was successful.
2027 */
2028 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2029
2030 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2031 fsp->fsp_name, new_name));
2032
2033 return -1;
2034 }
2035
2036 /******************************************************************************
2037 Fake up a completely empty SD.
2038 *******************************************************************************/
2039
2040 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2041 {
2042 size_t sd_size;
2043
2044 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2045 if(!*ppsd) {
2046 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2047 sd_size = 0;
2048 }
2049
2050 return sd_size;
2051 }
2052
2053 /****************************************************************************
2054 Reply to query a security descriptor.
2055 ****************************************************************************/
2056
2057 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2058 uint16 **ppsetup, uint32 setup_count,
2059 char **ppparams, uint32 parameter_count,
2060 char **ppdata, uint32 data_count, uint32 max_data_count)
2061 {
2062 char *params = *ppparams;
2063 char *data = *ppdata;
2064 prs_struct pd;
2065 SEC_DESC *psd = NULL;
2066 size_t sd_size;
2067 uint32 security_info_wanted;
2068 TALLOC_CTX *mem_ctx;
2069 files_struct *fsp = NULL;
2070
2071 if(parameter_count < 8) {
2072 return ERROR_DOS(ERRDOS,ERRbadfunc);
2073 }
2074
2075 fsp = file_fsp(params,0);
2076 if(!fsp) {
2077 return ERROR_DOS(ERRDOS,ERRbadfid);
2078 }
2079
2080 security_info_wanted = IVAL(params,4);
2081
2082 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2083 (unsigned int)security_info_wanted ));
2084
2085 params = nttrans_realloc(ppparams, 4);
2086 if(params == NULL) {
2087 return ERROR_DOS(ERRDOS,ERRnomem);
2088 }
2089
2090 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2091 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2092 return ERROR_DOS(ERRDOS,ERRnomem);
2093 }
2094
2095 /*
2096 * Get the permissions to return.
2097 */
2098
2099 if (!lp_nt_acl_support(SNUM(conn))) {
2100 sd_size = get_null_nt_acl(mem_ctx, &psd);
2101 } else {
2102 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
2103 }
2104
2105 if (sd_size == 0) {
2106 talloc_destroy(mem_ctx);
2107 return(UNIXERROR(ERRDOS,ERRnoaccess));
2108 }
2109
2110 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2111
2112 SIVAL(params,0,(uint32)sd_size);
2113
2114 if(max_data_count < sd_size) {
2115
2116 send_nt_replies(outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2117 params, 4, *ppdata, 0);
2118 talloc_destroy(mem_ctx);
2119 return -1;
2120 }
2121
2122 /*
2123 * Allocate the data we will point this at.
2124 */
2125
2126 data = nttrans_realloc(ppdata, sd_size);
2127 if(data == NULL) {
2128 talloc_destroy(mem_ctx);
2129 return ERROR_DOS(ERRDOS,ERRnomem);
2130 }
2131
2132 /*
2133 * Init the parse struct we will marshall into.
2134 */
2135
2136 prs_init(&pd, 0, mem_ctx, MARSHALL);
2137
2138 /*
2139 * Setup the prs_struct to point at the memory we just
2140 * allocated.
2141 */
2142
2143 prs_give_memory( &pd, data, (uint32)sd_size, False);
2144
2145 /*
2146 * Finally, linearize into the outgoing buffer.
2147 */
2148
2149 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2150 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2151 security descriptor.\n"));
2152 /*
2153 * Return access denied for want of a better error message..
2154 */
2155 talloc_destroy(mem_ctx);
2156 return(UNIXERROR(ERRDOS,ERRnoaccess));
2157 }
2158
2159 /*
2160 * Now we can delete the security descriptor.
2161 */
2162
2163 talloc_destroy(mem_ctx);
2164
2165 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2166 (int)sd_size);
2167 return -1;
2168 }
2169
2170 /****************************************************************************
2171 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2172 ****************************************************************************/
2173
2174 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2175 uint16 **ppsetup, uint32 setup_count,
2176 char **ppparams, uint32 parameter_count,
2177 char **ppdata, uint32 data_count, uint32 max_data_count)
2178 {
2179 char *params= *ppparams;
2180 char *data = *ppdata;
2181 files_struct *fsp = NULL;
2182 uint32 security_info_sent = 0;
2183 NTSTATUS nt_status;
2184
2185 if(parameter_count < 8) {
2186 return ERROR_DOS(ERRDOS,ERRbadfunc);
2187 }
2188
2189 if((fsp = file_fsp(params,0)) == NULL) {
2190 return ERROR_DOS(ERRDOS,ERRbadfid);
2191 }
2192
2193 if(!lp_nt_acl_support(SNUM(conn))) {
2194 goto done;
2195 }
2196
2197 security_info_sent = IVAL(params,4);
2198
2199 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2200 (unsigned int)security_info_sent ));
2201
2202 if (data_count == 0) {
2203 return ERROR_DOS(ERRDOS, ERRnoaccess);
2204 }
2205
2206 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2207 return ERROR_NT(nt_status);
2208 }
2209
2210 done:
2211
2212 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2213 return -1;
2214 }
2215
2216 /****************************************************************************
2217 Reply to NT IOCTL
2218 ****************************************************************************/
2219
2220 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2221 uint16 **ppsetup, uint32 setup_count,
2222 char **ppparams, uint32 parameter_count,
2223 char **ppdata, uint32 data_count, uint32 max_data_count)
2224 {
2225 uint32 function;
2226 uint16 fidnum;
2227 files_struct *fsp;
2228 uint8 isFSctl;
2229 uint8 compfilter;
2230 static BOOL logged_message;
2231 char *pdata = *ppdata;
2232
2233 if (setup_count != 8) {
2234 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2235 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2236 }
2237
2238 function = IVAL(*ppsetup, 0);
2239 fidnum = SVAL(*ppsetup, 4);
2240 isFSctl = CVAL(*ppsetup, 6);
2241 compfilter = CVAL(*ppsetup, 7);
2242
2243 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2244 function, fidnum, isFSctl, compfilter));
2245
2246 fsp=file_fsp((char *)*ppsetup, 4);
2247 /* this check is done in each implemented function case for now
2248 because I don't want to break anything... --metze
2249 FSP_BELONGS_CONN(fsp,conn);*/
2250
2251 switch (function) {
2252 case FSCTL_SET_SPARSE:
2253 /* pretend this succeeded - tho strictly we should
2254 mark the file sparse (if the local fs supports it)
2255 so we can know if we need to pre-allocate or not */
2256
2257 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2258 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2259 0);
2260 return -1;
2261
2262 case FSCTL_0x000900C0:
2263 /* pretend this succeeded - don't know what this really is
2264 but works ok like this --metze
2265 */
2266
2267 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2268 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2269 0);
2270 return -1;
2271
2272 case FSCTL_GET_REPARSE_POINT:
2273 /* pretend this fail - my winXP does it like this
2274 * --metze
2275 */
2276
2277 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2278 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2279 NULL, 0, NULL, 0);
2280 return -1;
2281
2282 case FSCTL_SET_REPARSE_POINT:
2283 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2284 * --metze
2285 */
2286
2287 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2288 send_nt_replies(outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT,
2289 NULL, 0, NULL, 0);
2290 return -1;
2291
2292 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2293 {
2294 /*
2295 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2296 * and return their volume names. If max_data_count is 16, then it is just
2297 * asking for the number of volumes and length of the combined names.
2298 *
2299 * pdata is the data allocated by our caller, but that uses
2300 * total_data_count (which is 0 in our case) rather than max_data_count.
2301 * Allocate the correct amount and return the pointer to let
2302 * it be deallocated when we return.
2303 */
2304 SHADOW_COPY_DATA *shadow_data = NULL;
2305 TALLOC_CTX *shadow_mem_ctx = NULL;
2306 BOOL labels = False;
2307 uint32 labels_data_count = 0;
2308 uint32 i;
2309 char *cur_pdata;
2310
2311 FSP_BELONGS_CONN(fsp,conn);
2312
2313 if (max_data_count < 16) {
2314 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2315 max_data_count));
2316 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2317 }
2318
2319 if (max_data_count > 16) {
2320 labels = True;
2321 }
2322
2323 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2324 if (shadow_mem_ctx == NULL) {
2325 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2326 return ERROR_NT(NT_STATUS_NO_MEMORY);
2327 }
2328
2329 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2330 if (shadow_data == NULL) {
2331 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2332 talloc_destroy(shadow_mem_ctx);
2333 return ERROR_NT(NT_STATUS_NO_MEMORY);
2334 }
2335
2336 shadow_data->mem_ctx = shadow_mem_ctx;
2337
2338 /*
2339 * Call the VFS routine to actually do the work.
2340 */
2341 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2342 talloc_destroy(shadow_data->mem_ctx);
2343 if (errno == ENOSYS) {
2344 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2345 conn->connectpath));
2346 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2347 } else {
2348 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2349 conn->connectpath));
2350 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2351 }
2352 }
2353
2354 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2355
2356 if (!labels) {
2357 data_count = 16;
2358 } else {
2359 data_count = 12+labels_data_count+4;
2360 }
2361
2362 if (max_data_count<data_count) {
2363 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2364 max_data_count,data_count));
2365 talloc_destroy(shadow_data->mem_ctx);
2366 return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2367 }
2368
2369 pdata = nttrans_realloc(ppdata, data_count);
2370 if (pdata == NULL) {
2371 talloc_destroy(shadow_data->mem_ctx);
2372 return ERROR_NT(NT_STATUS_NO_MEMORY);
2373 }
2374
2375 cur_pdata = pdata;
2376
2377 /* num_volumes 4 bytes */
2378 SIVAL(pdata,0,shadow_data->num_volumes);
2379
2380 if (labels) {
2381 /* num_labels 4 bytes */
2382 SIVAL(pdata,4,shadow_data->num_volumes);
2383 }
2384
2385 /* needed_data_count 4 bytes */
2386 SIVAL(pdata,8,labels_data_count);
2387
2388 cur_pdata+=12;
2389
2390 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2391 shadow_data->num_volumes,fsp->fsp_name));
2392 if (labels && shadow_data->labels) {
2393 for (i=0;i<shadow_data->num_volumes;i++) {
2394 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2395 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2396 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2397 }
2398 }
2399
2400 talloc_destroy(shadow_data->mem_ctx);
2401
2402 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2403 pdata, data_count);
2404
2405 return -1;
2406 }
2407
2408 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2409 {
2410 /* pretend this succeeded -
2411 *
2412 * we have to send back a list with all files owned by this SID
2413 *
2414 * but I have to check that --metze
2415 */
2416 DOM_SID sid;
2417 uid_t uid;
2418 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2419
2420 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2421
2422 FSP_BELONGS_CONN(fsp,conn);
2423
2424 /* unknown 4 bytes: this is not the length of the sid :-( */
2425 /*unknown = IVAL(pdata,0);*/
2426
2427 sid_parse(pdata+4,sid_len,&sid);
2428 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2429
2430 if (!sid_to_uid(&sid, &uid)) {
2431 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2432 sid_string_static(&sid),(unsigned long)sid_len));
2433 uid = (-1);
2434 }
2435
2436 /* we can take a look at the find source :-)
2437 *
2438 * find ./ -uid $uid -name '*' is what we need here
2439 *
2440 *
2441 * and send 4bytes len and then NULL terminated unicode strings
2442 * for each file
2443 *
2444 * but I don't know how to deal with the paged results
2445 * (maybe we can hang the result anywhere in the fsp struct)
2446 *
2447 * we don't send all files at once
2448 * and at the next we should *not* start from the beginning,
2449 * so we have to cache the result
2450 *
2451 * --metze
2452 */
2453
2454 /* this works for now... */
2455 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2456 NULL, 0);
2457 return -1;
2458 }
2459 default:
2460 if (!logged_message) {
2461 logged_message = True; /* Only print this once... */
2462 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2463 function));
2464 }
2465 }
2466
2467 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2468 }
2469
2470
2471 #ifdef HAVE_SYS_QUOTAS
2472 /****************************************************************************
2473 Reply to get user quota
2474 ****************************************************************************/
2475
2476 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2477 uint16 **ppsetup, uint32 setup_count,
2478 char **ppparams, uint32 parameter_count,
2479 char **ppdata, uint32 data_count, uint32 max_data_count)
2480 {
2481 NTSTATUS nt_status = NT_STATUS_OK;
2482 char *params = *ppparams;
2483 char *pdata = *ppdata;
2484 char *entry;
2485 int data_len=0,param_len=0;
2486 int qt_len=0;
2487 int entry_len = 0;
2488 files_struct *fsp = NULL;
2489 uint16 level = 0;
2490 size_t sid_len;
2491 DOM_SID sid;
2492 BOOL start_enum = True;
2493 SMB_NTQUOTA_STRUCT qt;
2494 SMB_NTQUOTA_LIST *tmp_list;
2495 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2496
2497 ZERO_STRUCT(qt);
2498
2499 /* access check */
2500 if (current_user.ut.uid != 0) {
2501 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2502 lp_servicename(SNUM(conn)),conn->user));
2503 return ERROR_DOS(ERRDOS,ERRnoaccess);
2504 }
2505
2506 /*
2507 * Ensure minimum number of parameters sent.
2508 */
2509
2510 if (parameter_count < 4) {
2511 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2512 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2513 }
2514
2515 /* maybe we can check the quota_fnum */
2516 fsp = file_fsp(params,0);
2517 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2518 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2519 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2520 }
2521
2522 /* the NULL pointer checking for fsp->fake_file_handle->pd
2523 * is done by CHECK_NTQUOTA_HANDLE_OK()
2524 */
2525 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2526
2527 level = SVAL(params,2);
2528
2529 /* unknown 12 bytes leading in params */
2530
2531 switch (level) {
2532 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2533 /* seems that we should continue with the enum here --metze */
2534
2535 if (qt_handle->quota_list!=NULL &&
2536 qt_handle->tmp_list==NULL) {
2537
2538 /* free the list */
2539 free_ntquota_list(&(qt_handle->quota_list));
2540
2541 /* Realloc the size of parameters and data we will return */
2542 param_len = 4;
2543 params = nttrans_realloc(ppparams, param_len);
2544 if(params == NULL) {
2545 return ERROR_DOS(ERRDOS,ERRnomem);
2546 }
2547
2548 data_len = 0;
2549 SIVAL(params,0,data_len);
2550
2551 break;
2552 }
2553
2554 start_enum = False;
2555
2556 case TRANSACT_GET_USER_QUOTA_LIST_START:
2557
2558 if (qt_handle->quota_list==NULL &&
2559 qt_handle->tmp_list==NULL) {
2560 start_enum = True;
2561 }
2562
2563 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2564 return ERROR_DOS(ERRSRV,ERRerror);
2565
2566 /* Realloc the size of parameters and data we will return */
2567 param_len = 4;
2568 params = nttrans_realloc(ppparams, param_len);
2569 if(params == NULL) {
2570 return ERROR_DOS(ERRDOS,ERRnomem);
2571 }
2572
2573 /* we should not trust the value in max_data_count*/
2574 max_data_count = MIN(max_data_count,2048);
2575
2576 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2577 if(pdata == NULL) {
2578 return ERROR_DOS(ERRDOS,ERRnomem);
2579 }
2580
2581 entry = pdata;
2582
2583 /* set params Size of returned Quota Data 4 bytes*/
2584 /* but set it later when we know it */
2585
2586 /* for each entry push the data */
2587
2588 if (start_enum) {
2589 qt_handle->tmp_list = qt_handle->quota_list;
2590 }
2591
2592 tmp_list = qt_handle->tmp_list;
2593
2594 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2595 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2596
2597 sid_len = sid_size(&tmp_list->quotas->sid);
2598 entry_len = 40 + sid_len;
2599
2600 /* nextoffset entry 4 bytes */
2601 SIVAL(entry,0,entry_len);
2602
2603 /* then the len of the SID 4 bytes */
2604 SIVAL(entry,4,sid_len);
2605
2606 /* unknown data 8 bytes SMB_BIG_UINT */
2607 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2608
2609 /* the used disk space 8 bytes SMB_BIG_UINT */
2610 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2611
2612 /* the soft quotas 8 bytes SMB_BIG_UINT */
2613 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2614
2615 /* the hard quotas 8 bytes SMB_BIG_UINT */
2616 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2617
2618 /* and now the SID */
2619 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2620 }
2621
2622 qt_handle->tmp_list = tmp_list;
2623
2624 /* overwrite the offset of the last entry */
2625 SIVAL(entry-entry_len,0,0);
2626
2627 data_len = 4+qt_len;
2628 /* overwrite the params quota_data_len */
2629 SIVAL(params,0,data_len);
2630
2631 break;
2632
2633 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2634
2635 /* unknown 4 bytes IVAL(pdata,0) */
2636
2637 if (data_count < 8) {
2638 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2639 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2640 }
2641
2642 sid_len = IVAL(pdata,4);
2643 /* Ensure this is less than 1mb. */
2644 if (sid_len > (1024*1024)) {
2645 return ERROR_DOS(ERRDOS,ERRnomem);
2646 }
2647
2648 if (data_count < 8+sid_len) {
2649 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2650 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2651 }
2652
2653 data_len = 4+40+sid_len;
2654
2655 if (max_data_count < data_len) {
2656 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2657 max_data_count, data_len));
2658 param_len = 4;
2659 SIVAL(params,0,data_len);
2660 data_len = 0;
2661 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2662 break;
2663 }
2664
2665 sid_parse(pdata+8,sid_len,&sid);
2666
2667 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2668 ZERO_STRUCT(qt);
2669 /*
2670 * we have to return zero's in all fields
2671 * instead of returning an error here
2672 * --metze
2673 */
2674 }
2675
2676 /* Realloc the size of parameters and data we will return */
2677 param_len = 4;
2678 params = nttrans_realloc(ppparams, param_len);
2679 if(params == NULL) {
2680 return ERROR_DOS(ERRDOS,ERRnomem);
2681 }
2682
2683 pdata = nttrans_realloc(ppdata, data_len);
2684 if(pdata == NULL) {
2685 return ERROR_DOS(ERRDOS,ERRnomem);
2686 }
2687
2688 entry = pdata;
2689
2690 /* set params Size of returned Quota Data 4 bytes*/
2691 SIVAL(params,0,data_len);
2692
2693 /* nextoffset entry 4 bytes */
2694 SIVAL(entry,0,0);
2695
2696 /* then the len of the SID 4 bytes */
2697 SIVAL(entry,4,sid_len);
2698
2699 /* unknown data 8 bytes SMB_BIG_UINT */
2700 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2701
2702 /* the used disk space 8 bytes SMB_BIG_UINT */
2703 SBIG_UINT(entry,16,qt.usedspace);
2704
2705 /* the soft quotas 8 bytes SMB_BIG_UINT */
2706 SBIG_UINT(entry,24,qt.softlim);
2707
2708 /* the hard quotas 8 bytes SMB_BIG_UINT */
2709 SBIG_UINT(entry,32,qt.hardlim);
2710
2711 /* and now the SID */
2712 sid_linearize(entry+40, sid_len, &sid);
2713
2714 break;
2715
2716 default:
2717 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2718 return ERROR_DOS(ERRSRV,ERRerror);
2719 break;
2720 }
2721
2722 send_nt_replies(outbuf, bufsize, nt_status, params, param_len,
2723 pdata, data_len);
2724
2725 return -1;
2726 }
2727
2728 /****************************************************************************
2729 Reply to set user quota
2730 ****************************************************************************/
2731
2732 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2733 uint16 **ppsetup, uint32 setup_count,
2734 char **ppparams, uint32 parameter_count,
2735 char **ppdata, uint32 data_count, uint32 max_data_count)
2736 {
2737 char *params = *ppparams;
2738 char *pdata = *ppdata;
2739 int data_len=0,param_len=0;
2740 SMB_NTQUOTA_STRUCT qt;
2741 size_t sid_len;
2742 DOM_SID sid;
2743 files_struct *fsp = NULL;
2744
2745 ZERO_STRUCT(qt);
2746
2747 /* access check */
2748 if (current_user.ut.uid != 0) {
2749 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2750 lp_servicename(SNUM(conn)),conn->user));
2751 return ERROR_DOS(ERRDOS,ERRnoaccess);
2752 }
2753
2754 /*
2755 * Ensure minimum number of parameters sent.
2756 */
2757
2758 if (parameter_count < 2) {
2759 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2760 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2761 }
2762
2763 /* maybe we can check the quota_fnum */
2764 fsp = file_fsp(params,0);
2765 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2766 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2767 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2768 }
2769
2770 if (data_count < 40) {
2771 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2772 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2773 }
2774
2775 /* offset to next quota record.
2776 * 4 bytes IVAL(pdata,0)
2777 * unused here...
2778 */
2779
2780 /* sid len */
2781 sid_len = IVAL(pdata,4);
2782
2783 if (data_count < 40+sid_len) {
2784 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2785 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2786 }
2787
2788 /* unknown 8 bytes in pdata
2789 * maybe its the change time in NTTIME
2790 */
2791
2792 /* the used space 8 bytes (SMB_BIG_UINT)*/
2793 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2794 #ifdef LARGE_SMB_OFF_T
2795 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2796 #else /* LARGE_SMB_OFF_T */
2797 if ((IVAL(pdata,20) != 0)&&
2798 ((qt.usedspace != 0xFFFFFFFF)||
2799 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2800 /* more than 32 bits? */
2801 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2802 }
2803 #endif /* LARGE_SMB_OFF_T */
2804
2805 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2806 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2807 #ifdef LARGE_SMB_OFF_T
2808 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2809 #else /* LARGE_SMB_OFF_T */
2810 if ((IVAL(pdata,28) != 0)&&
2811 ((qt.softlim != 0xFFFFFFFF)||
2812 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2813 /* more than 32 bits? */
2814 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2815 }
2816 #endif /* LARGE_SMB_OFF_T */
2817
2818 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2819 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2820 #ifdef LARGE_SMB_OFF_T
2821 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2822 #else /* LARGE_SMB_OFF_T */
2823 if ((IVAL(pdata,36) != 0)&&
2824 ((qt.hardlim != 0xFFFFFFFF)||
2825 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2826 /* more than 32 bits? */
2827 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2828 }
2829 #endif /* LARGE_SMB_OFF_T */
2830
2831 sid_parse(pdata+40,sid_len,&sid);
2832 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2833
2834 /* 44 unknown bytes left... */
2835
2836 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2837 return ERROR_DOS(ERRSRV,ERRerror);
2838 }
2839
2840 send_nt_replies(outbuf, bufsize, NT_STATUS_OK, params, param_len,
2841 pdata, data_len);
2842
2843 return -1;
2844 }
2845 #endif /* HAVE_SYS_QUOTAS */
2846
2847 static int handle_nttrans(connection_struct *conn,
2848 struct trans_state *state,
2849 char *inbuf, char *outbuf, int size, int bufsize)
2850 {
2851 int outsize;
2852
2853 if (Protocol >= PROTOCOL_NT1) {
2854 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2855 }
2856
2857 /* Now we must call the relevant NT_TRANS function */
2858 switch(state->call) {
2859 case NT_TRANSACT_CREATE:
2860 {
2861 START_PROFILE(NT_transact_create);
2862 outsize = call_nt_transact_create(conn, inbuf, outbuf,
2863 size, bufsize,
2864 &state->setup, state->setup_count,
2865 &state->param, state->total_param,
2866 &state->data, state->total_data,
2867 state->max_data_return);
2868 END_PROFILE(NT_transact_create);
2869 break;
2870 }
2871
2872 case NT_TRANSACT_IOCTL:
2873 {
2874 START_PROFILE(NT_transact_ioctl);
2875 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2876 size, bufsize,
2877 &state->setup, state->setup_count,
2878 &state->param, state->total_param,
2879 &state->data, state->total_data, state->max_data_return);
2880 END_PROFILE(NT_transact_ioctl);
2881 break;
2882 }
2883
2884 case NT_TRANSACT_SET_SECURITY_DESC:
2885 {
2886 START_PROFILE(NT_transact_set_security_desc);
2887 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2888 size, bufsize,
2889 &state->setup, state->setup_count,
2890 &state->param, state->total_param,
2891 &state->data, state->total_data, state->max_data_return);
2892 END_PROFILE(NT_transact_set_security_desc);
2893 break;
2894 }
2895
2896 case NT_TRANSACT_NOTIFY_CHANGE:
2897 {
2898 START_PROFILE(NT_transact_notify_change);
2899 outsize = call_nt_transact_notify_change(
2900 conn, inbuf, outbuf, size, bufsize,
2901 &state->setup, state->setup_count,
2902 &state->param, state->total_param,
2903 &state->data, state->total_data,
2904 state->max_data_return,
2905 state->max_param_return);
2906 END_PROFILE(NT_transact_notify_change);
2907 break;
2908 }
2909
2910 case NT_TRANSACT_RENAME:
2911 {
2912 START_PROFILE(NT_transact_rename);
2913 outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2914 size, bufsize,
2915 &state->setup, state->setup_count,
2916 &state->param, state->total_param,
2917 &state->data, state->total_data, state->max_data_return);
2918 END_PROFILE(NT_transact_rename);
2919 break;
2920 }
2921
2922 case NT_TRANSACT_QUERY_SECURITY_DESC:
2923 {
2924 START_PROFILE(NT_transact_query_security_desc);
2925 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2926 size, bufsize,
2927 &state->setup, state->setup_count,
2928 &state->param, state->total_param,
2929 &state->data, state->total_data, state->max_data_return);
2930 END_PROFILE(NT_transact_query_security_desc);
2931 break;
2932 }
2933
2934 #ifdef HAVE_SYS_QUOTAS
2935 case NT_TRANSACT_GET_USER_QUOTA:
2936 {
2937 START_PROFILE(NT_transact_get_user_quota);
2938 outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2939 size, bufsize,
2940 &state->setup, state->setup_count,
2941 &state->param, state->total_param,
2942 &state->data, state->total_data, state->max_data_return);
2943 END_PROFILE(NT_transact_get_user_quota);
2944 break;
2945 }
2946
2947 case NT_TRANSACT_SET_USER_QUOTA:
2948 {
2949 START_PROFILE(NT_transact_set_user_quota);
2950 outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2951 size, bufsize,
2952 &state->setup, state->setup_count,
2953 &state->param, state->total_param,
2954 &state->data, state->total_data, state->max_data_return);
2955 END_PROFILE(NT_transact_set_user_quota);
2956 break;
2957 }
2958 #endif /* HAVE_SYS_QUOTAS */
2959
2960 default:
2961 /* Error in request */
2962 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2963 state->call));
2964 return ERROR_DOS(ERRSRV,ERRerror);
2965 }
2966 return outsize;
2967 }
2968
2969 /****************************************************************************
2970 Reply to a SMBNTtrans.
2971 ****************************************************************************/
2972
2973 int reply_nttrans(connection_struct *conn,
2974 char *inbuf,char *outbuf,int size,int bufsize)
2975 {
2976 int outsize = 0;
2977 uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2978 uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2979 uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2980 uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2981 uint32 av_size = size-4;
2982
2983 uint16 function_code = SVAL( inbuf, smb_nt_Function);
2984 NTSTATUS result;
2985 struct trans_state *state;
2986
2987 START_PROFILE(SMBnttrans);
2988
2989 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2990 END_PROFILE(SMBnttrans);
2991 return ERROR_DOS(ERRSRV,ERRaccess);
2992 }
2993
2994 result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2995 if (!NT_STATUS_IS_OK(result)) {
2996 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2997 END_PROFILE(SMBnttrans);
2998 return ERROR_NT(result);
2999 }
3000
3001 if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3002 END_PROFILE(SMBnttrans);
3003 return ERROR_DOS(ERRSRV,ERRaccess);
3004 }
3005
3006 state->cmd = SMBnttrans;
3007
3008 state->mid = SVAL(inbuf,smb_mid);
3009 state->vuid = SVAL(inbuf,smb_uid);
3010 state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
3011 state->data = NULL;
3012 state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
3013 state->param = NULL;
3014 state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
3015 state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
3016
3017 /* setup count is in *words* */
3018 state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
3019 state->setup = NULL;
3020 state->call = function_code;
3021
3022 /*
3023 * All nttrans messages we handle have smb_wct == 19 +
3024 * state->setup_count. Ensure this is so as a sanity check.
3025 */
3026
3027 if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
3028 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3029 CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
3030 goto bad_param;
3031 }
3032
3033 /* Don't allow more than 128mb for each value. */
3034 if ((state->total_data > (1024*1024*128)) ||
3035 (state->total_param > (1024*1024*128))) {
3036 END_PROFILE(SMBnttrans);
3037 return ERROR_DOS(ERRDOS,ERRnomem);
3038 }
3039
3040 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3041 goto bad_param;
3042
3043 if (state->total_data) {
3044 /* Can't use talloc here, the core routines do realloc on the
3045 * params and data. */
3046 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3047 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3048 "bytes !\n", (unsigned int)state->total_data));
3049 TALLOC_FREE(state);
3050 END_PROFILE(SMBnttrans);
3051 return(ERROR_DOS(ERRDOS,ERRnomem));
3052 }
3053
3054 if (dscnt > state->total_data ||
3055 dsoff+dscnt < dsoff) {
3056 goto bad_param;
3057 }
3058
3059 if (dsoff > av_size ||
3060 dscnt > av_size ||
3061 dsoff+dscnt > av_size) {
3062 goto bad_param;
3063 }
3064
3065 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
3066 }
3067
3068 if (state->total_param) {
3069 /* Can't use talloc here, the core routines do realloc on the
3070 * params and data. */
3071 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3072 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3073 "bytes !\n", (unsigned int)state->total_param));
3074 SAFE_FREE(state->data);
3075 TALLOC_FREE(state);
3076 END_PROFILE(SMBnttrans);
3077 return(ERROR_DOS(ERRDOS,ERRnomem));
3078 }
3079
3080 if (pscnt > state->total_param ||
3081 psoff+pscnt < psoff) {
3082 goto bad_param;
3083 }
3084
3085 if (psoff > av_size ||
3086 pscnt > av_size ||
3087 psoff+pscnt > av_size) {
3088 goto bad_param;
3089 }
3090
3091 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
3092 }
3093
3094 state->received_data = dscnt;
3095 state->received_param = pscnt;
3096
3097 if(state->setup_count > 0) {
3098 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3099 state->setup_count));
3100 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3101 if (state->setup == NULL) {
3102 DEBUG(0,("reply_nttrans : Out of memory\n"));
3103 SAFE_FREE(state->data);
3104 SAFE_FREE(state->param);
3105 TALLOC_FREE(state);
3106 END_PROFILE(SMBnttrans);
3107 return ERROR_DOS(ERRDOS,ERRnomem);
3108 }
3109
3110 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3111 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3112 goto bad_param;
3113 }
3114 if (smb_nt_SetupStart + state->setup_count > size) {
3115 goto bad_param;
3116 }
3117
3118 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
3119 dump_data(10, (char *)state->setup, state->setup_count);
3120 }
3121
3122 if ((state->received_data == state->total_data) &&
3123 (state->received_param == state->total_param)) {
3124 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3125 size, bufsize);
3126 SAFE_FREE(state->param);
3127 SAFE_FREE(state->data);
3128 TALLOC_FREE(state);
3129 END_PROFILE(SMBnttrans);
3130 return outsize;
3131 }
3132
3133 DLIST_ADD(conn->pending_trans, state);
3134
3135 /* We need to send an interim response then receive the rest
3136 of the parameter/data bytes */
3137 outsize = set_message(outbuf,0,0,False);
3138 show_msg(outbuf);
3139 END_PROFILE(SMBnttrans);
3140 return outsize;
3141
3142 bad_param:
3143
3144 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3145 SAFE_FREE(state->data);
3146 SAFE_FREE(state->param);
3147 TALLOC_FREE(state);
3148 END_PROFILE(SMBnttrans);
3149 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3150 }
3151
3152 /****************************************************************************
3153 Reply to a SMBnttranss
3154 ****************************************************************************/
3155
3156 int reply_nttranss(connection_struct *conn, char *inbuf,char *outbuf,
3157 int size,int bufsize)
3158 {
3159 int outsize = 0;
3160 uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3161 uint32_t av_size = size-4;
3162 struct trans_state *state;
3163
3164 START_PROFILE(SMBnttranss);
3165
3166 show_msg(inbuf);
3167
3168 for (state = conn->pending_trans; state != NULL;
3169 state = state->next) {
3170 if (state->mid == SVAL(inbuf,smb_mid)) {
3171 break;
3172 }
3173 }
3174
3175 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3176 END_PROFILE(SMBnttranss);
3177 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3178 }
3179
3180 /* Revise state->total_param and state->total_data in case they have
3181 changed downwards */
3182 if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3183 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3184 }
3185 if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3186 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3187 }
3188
3189 pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3190 poff = IVAL(inbuf, smb_nts_ParameterOffset);
3191 pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3192
3193 dcnt = IVAL(inbuf, smb_nts_DataCount);
3194 ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3195 doff = IVAL(inbuf, smb_nts_DataOffset);
3196
3197 state->received_param += pcnt;
3198 state->received_data += dcnt;
3199
3200 if ((state->received_data > state->total_data) ||
3201 (state->received_param > state->total_param))
3202 goto bad_param;
3203
3204 if (pcnt) {
3205 if (pdisp > state->total_param ||
3206 pcnt > state->total_param ||
3207 pdisp+pcnt > state->total_param ||
3208 pdisp+pcnt < pdisp) {
3209 goto bad_param;
3210 }
3211
3212 if (poff > av_size ||
3213 pcnt > av_size ||
3214 poff+pcnt > av_size ||
3215 poff+pcnt < poff) {
3216 goto bad_param;
3217 }
3218
3219 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3220 pcnt);
3221 }
3222
3223 if (dcnt) {
3224 if (ddisp > state->total_data ||
3225 dcnt > state->total_data ||
3226 ddisp+dcnt > state->total_data ||
3227 ddisp+dcnt < ddisp) {
3228 goto bad_param;
3229 }
3230
3231 if (ddisp > av_size ||
3232 dcnt > av_size ||
3233 ddisp+dcnt > av_size ||
3234 ddisp+dcnt < ddisp) {
3235 goto bad_param;
3236 }
3237
3238 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3239 dcnt);
3240 }
3241
3242 if ((state->received_param < state->total_param) ||
3243 (state->received_data < state->total_data)) {
3244 END_PROFILE(SMBnttranss);
3245 return -1;
3246 }
3247
3248 /* construct_reply_common has done us the favor to pre-fill the
3249 * command field with SMBnttranss which is wrong :-)
3250 */
3251 SCVAL(outbuf,smb_com,SMBnttrans);
3252
3253 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3254 size, bufsize);
3255
3256 DLIST_REMOVE(conn->pending_trans, state);
3257 SAFE_FREE(state->data);
3258 SAFE_FREE(state->param);
3259 TALLOC_FREE(state);
3260
3261 if (outsize == 0) {
3262 END_PROFILE(SMBnttranss);
3263 return(ERROR_DOS(ERRSRV,ERRnosupport));
3264 }
3265
3266 END_PROFILE(SMBnttranss);
3267 return(outsize);
3268
3269 bad_param:
3270
3271 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3272 DLIST_REMOVE(conn->pending_trans, state);
3273 SAFE_FREE(state->data);
3274 SAFE_FREE(state->param);
3275 TALLOC_FREE(state);
3276 END_PROFILE(SMBnttranss);
3277 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3278 }
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