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r23727: Explicitly pass down FLAGS2 to srvstr_get_path.
[Samba.git] / source / smbd / nttrans.c
blob8865afad0d5cb7a45efa103653083aa26097ac76
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");
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(const char *inbuf,
72 char *outbuf,
73 int bufsize,
74 NTSTATUS nt_error,
75 char *params,
76 int paramsize,
77 char *pdata,
78 int datasize)
79 {
80 int data_to_send = datasize;
81 int params_to_send = paramsize;
82 int useable_space;
83 char *pp = params;
84 char *pd = pdata;
85 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
86 int alignment_offset = 3;
87 int data_alignment_offset = 0;
88
89 /*
90 * Initially set the wcnt area to be 18 - this is true for all
91 * transNT replies.
92 */
93
94 set_message(inbuf,outbuf,18,0,True);
95
96 if (NT_STATUS_V(nt_error)) {
97 ERROR_NT(nt_error);
98 }
99
100 /*
101 * If there genuinely are no parameters or data to send just send
102 * the empty packet.
103 */
104
105 if(params_to_send == 0 && data_to_send == 0) {
106 show_msg(outbuf);
107 if (!send_smb(smbd_server_fd(),outbuf)) {
108 exit_server_cleanly("send_nt_replies: send_smb failed.");
109 }
110 return 0;
111 }
112
113 /*
114 * When sending params and data ensure that both are nicely aligned.
115 * Only do this alignment when there is also data to send - else
116 * can cause NT redirector problems.
117 */
118
119 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
120 data_alignment_offset = 4 - (params_to_send % 4);
121 }
122
123 /*
124 * Space is bufsize minus Netbios over TCP header minus SMB header.
125 * The alignment_offset is to align the param bytes on a four byte
126 * boundary (2 bytes for data len, one byte pad).
127 * NT needs this to work correctly.
128 */
129
130 useable_space = bufsize - ((smb_buf(outbuf)+
131 alignment_offset+data_alignment_offset) -
132 outbuf);
133
134 /*
135 * useable_space can never be more than max_send minus the
136 * alignment offset.
137 */
138
139 useable_space = MIN(useable_space,
140 max_send - (alignment_offset+data_alignment_offset));
141
142
143 while (params_to_send || data_to_send) {
144
145 /*
146 * Calculate whether we will totally or partially fill this packet.
147 */
148
149 total_sent_thistime = params_to_send + data_to_send +
150 alignment_offset + data_alignment_offset;
151
152 /*
153 * We can never send more than useable_space.
154 */
155
156 total_sent_thistime = MIN(total_sent_thistime, useable_space);
157
158 set_message(inbuf,outbuf, 18, total_sent_thistime, True);
159
160 /*
161 * Set total params and data to be sent.
162 */
163
164 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
165 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
166
167 /*
168 * Calculate how many parameters and data we can fit into
169 * this packet. Parameters get precedence.
170 */
171
172 params_sent_thistime = MIN(params_to_send,useable_space);
173 data_sent_thistime = useable_space - params_sent_thistime;
174 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
175
176 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
177
178 if(params_sent_thistime == 0) {
179 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
180 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
181 } else {
182 /*
183 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
184 * parameter bytes, however the first 4 bytes of outbuf are
185 * the Netbios over TCP header. Thus use smb_base() to subtract
186 * them from the calculation.
187 */
188
189 SIVAL(outbuf,smb_ntr_ParameterOffset,
190 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
191 /*
192 * Absolute displacement of param bytes sent in this packet.
193 */
194
195 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
196 }
197
198 /*
199 * Deal with the data portion.
200 */
201
202 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
203
204 if(data_sent_thistime == 0) {
205 SIVAL(outbuf,smb_ntr_DataOffset,0);
206 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
207 } else {
208 /*
209 * The offset of the data bytes is the offset of the
210 * parameter bytes plus the number of parameters being sent this time.
211 */
212
213 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
214 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
215 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
216 }
217
218 /*
219 * Copy the param bytes into the packet.
220 */
221
222 if(params_sent_thistime) {
223 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
224 }
225
226 /*
227 * Copy in the data bytes
228 */
229
230 if(data_sent_thistime) {
231 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
232 data_alignment_offset,pd,data_sent_thistime);
233 }
234
235 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
236 params_sent_thistime, data_sent_thistime, useable_space));
237 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
238 params_to_send, data_to_send, paramsize, datasize));
239
240 /* Send the packet */
241 show_msg(outbuf);
242 if (!send_smb(smbd_server_fd(),outbuf)) {
243 exit_server_cleanly("send_nt_replies: send_smb failed.");
244 }
245
246 pp += params_sent_thistime;
247 pd += data_sent_thistime;
248
249 params_to_send -= params_sent_thistime;
250 data_to_send -= data_sent_thistime;
251
252 /*
253 * Sanity check
254 */
255
256 if(params_to_send < 0 || data_to_send < 0) {
257 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
258 params_to_send, data_to_send));
259 return -1;
260 }
261 }
262
263 return 0;
264 }
265
266 /****************************************************************************
267 Is it an NTFS stream name ?
268 ****************************************************************************/
269
270 BOOL is_ntfs_stream_name(const char *fname)
271 {
272 if (lp_posix_pathnames()) {
273 return False;
274 }
275 return (strchr_m(fname, ':') != NULL) ? True : False;
276 }
277
278 /****************************************************************************
279 Save case statics.
280 ****************************************************************************/
281
282 static BOOL saved_case_sensitive;
283 static BOOL saved_case_preserve;
284 static BOOL saved_short_case_preserve;
285
286 /****************************************************************************
287 Save case semantics.
288 ****************************************************************************/
289
290 static uint32 set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
291 {
292 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
293 return file_attributes;
294 }
295
296 saved_case_sensitive = conn->case_sensitive;
297 saved_case_preserve = conn->case_preserve;
298 saved_short_case_preserve = conn->short_case_preserve;
299
300 /* Set to POSIX. */
301 conn->case_sensitive = True;
302 conn->case_preserve = True;
303 conn->short_case_preserve = True;
304
305 return (file_attributes & ~FILE_FLAG_POSIX_SEMANTICS);
306 }
307
308 /****************************************************************************
309 Restore case semantics.
310 ****************************************************************************/
311
312 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
313 {
314 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
315 return;
316 }
317
318 conn->case_sensitive = saved_case_sensitive;
319 conn->case_preserve = saved_case_preserve;
320 conn->short_case_preserve = saved_short_case_preserve;
321 }
322
323 /****************************************************************************
324 Reply to an NT create and X call on a pipe.
325 ****************************************************************************/
326
327 static int nt_open_pipe(char *fname, connection_struct *conn,
328 char *inbuf, char *outbuf, int *ppnum)
329 {
330 smb_np_struct *p = NULL;
331 uint16 vuid = SVAL(inbuf, smb_uid);
332 int i;
333
334 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
335
336 /* See if it is one we want to handle. */
337
338 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
339 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
340 }
341
342 for( i = 0; known_nt_pipes[i]; i++ ) {
343 if( strequal(fname,known_nt_pipes[i])) {
344 break;
345 }
346 }
347
348 if ( known_nt_pipes[i] == NULL ) {
349 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
350 }
351
352 /* Strip \\ off the name. */
353 fname++;
354
355 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
356
357 p = open_rpc_pipe_p(fname, conn, vuid);
358 if (!p) {
359 return(ERROR_DOS(ERRSRV,ERRnofids));
360 }
361
362 /* TODO: Add pipe to db */
363
364 if ( !store_pipe_opendb( p ) ) {
365 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
366 }
367
368 *ppnum = p->pnum;
369 return 0;
370 }
371
372 /****************************************************************************
373 Reply to an NT create and X call for pipes.
374 ****************************************************************************/
375
376 static int do_ntcreate_pipe_open(connection_struct *conn,
377 char *inbuf,char *outbuf,int length,int bufsize)
378 {
379 pstring fname;
380 int ret;
381 int pnum = -1;
382 char *p = NULL;
383 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
384
385 srvstr_pull_buf(inbuf, SVAL(inbuf, smb_flg2), fname, smb_buf(inbuf),
386 sizeof(fname), STR_TERMINATE);
387
388 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
389 return ret;
390 }
391
392 /*
393 * Deal with pipe return.
394 */
395
396 if (flags & EXTENDED_RESPONSE_REQUIRED) {
397 /* This is very strange. We
398 * return 50 words, but only set
399 * the wcnt to 42 ? It's definately
400 * what happens on the wire....
401 */
402 set_message(inbuf,outbuf,50,0,True);
403 SCVAL(outbuf,smb_wct,42);
404 } else {
405 set_message(inbuf,outbuf,34,0,True);
406 }
407
408 p = outbuf + smb_vwv2;
409 p++;
410 SSVAL(p,0,pnum);
411 p += 2;
412 SIVAL(p,0,FILE_WAS_OPENED);
413 p += 4;
414 p += 32;
415 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
416 p += 20;
417 /* File type. */
418 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
419 /* Device state. */
420 SSVAL(p,2, 0x5FF); /* ? */
421 p += 4;
422
423 if (flags & EXTENDED_RESPONSE_REQUIRED) {
424 p += 25;
425 SIVAL(p,0,FILE_GENERIC_ALL);
426 /*
427 * For pipes W2K3 seems to return
428 * 0x12019B next.
429 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
430 */
431 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
432 }
433
434 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
435
436 return chain_reply(inbuf,outbuf,length,bufsize);
437 }
438
439 /****************************************************************************
440 Reply to an NT create and X call for a quota file.
441 ****************************************************************************/
442
443 int reply_ntcreate_and_X_quota(connection_struct *conn,
444 char *inbuf,
445 char *outbuf,
446 int length,
447 int bufsize,
448 enum FAKE_FILE_TYPE fake_file_type,
449 const char *fname)
450 {
451 int result;
452 char *p;
453 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
454 files_struct *fsp;
455 NTSTATUS status;
456
457 status = open_fake_file(conn, fake_file_type, fname, desired_access,
458 &fsp);
459
460 if (!NT_STATUS_IS_OK(status)) {
461 return ERROR_NT(status);
462 }
463
464 set_message(inbuf,outbuf,34,0,True);
465
466 p = outbuf + smb_vwv2;
467
468 /* SCVAL(p,0,NO_OPLOCK_RETURN); */
469 p++;
470 SSVAL(p,0,fsp->fnum);
471
472 DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
473
474 result = chain_reply(inbuf,outbuf,length,bufsize);
475 return result;
476 }
477
478 /****************************************************************************
479 Reply to an NT create and X call.
480 ****************************************************************************/
481
482 int reply_ntcreate_and_X(connection_struct *conn,
483 char *inbuf,char *outbuf,int length,int bufsize)
484 {
485 int result;
486 pstring fname;
487 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
488 uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
489 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
490 uint32 new_file_attributes;
491 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
492 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
493 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
494 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
495 /* Breakout the oplock request bits so we can set the
496 reply bits separately. */
497 int oplock_request = 0;
498 uint32 fattr=0;
499 SMB_OFF_T file_len = 0;
500 SMB_STRUCT_STAT sbuf;
501 int info = 0;
502 files_struct *fsp = NULL;
503 char *p = NULL;
504 struct timespec c_timespec;
505 struct timespec a_timespec;
506 struct timespec m_timespec;
507 BOOL extended_oplock_granted = False;
508 NTSTATUS status;
509 struct smb_request req;
510
511 START_PROFILE(SMBntcreateX);
512
513 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
514 "file_attributes = 0x%x, share_access = 0x%x, "
515 "create_disposition = 0x%x create_options = 0x%x "
516 "root_dir_fid = 0x%x\n",
517 (unsigned int)flags,
518 (unsigned int)access_mask,
519 (unsigned int)file_attributes,
520 (unsigned int)share_access,
521 (unsigned int)create_disposition,
522 (unsigned int)create_options,
523 (unsigned int)root_dir_fid ));
524
525 init_smb_request(&req, (uint8 *)inbuf);
526
527 /*
528 * If it's an IPC, use the pipe handler.
529 */
530
531 if (IS_IPC(conn)) {
532 if (lp_nt_pipe_support()) {
533 END_PROFILE(SMBntcreateX);
534 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
535 } else {
536 END_PROFILE(SMBntcreateX);
537 return(ERROR_DOS(ERRDOS,ERRnoaccess));
538 }
539 }
540
541 if (create_options & FILE_OPEN_BY_FILE_ID) {
542 END_PROFILE(SMBntcreateX);
543 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
544 }
545
546 /*
547 * Get the file name.
548 */
549
550 if(root_dir_fid != 0) {
551 /*
552 * This filename is relative to a directory fid.
553 */
554 pstring rel_fname;
555 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
556 size_t dir_name_len;
557
558 if(!dir_fsp) {
559 END_PROFILE(SMBntcreateX);
560 return ERROR_DOS(ERRDOS,ERRbadfid);
561 }
562
563 if(!dir_fsp->is_directory) {
564
565 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
566 smb_buf(inbuf), sizeof(fname), 0,
567 STR_TERMINATE, &status);
568 if (!NT_STATUS_IS_OK(status)) {
569 END_PROFILE(SMBntcreateX);
570 return ERROR_NT(status);
571 }
572
573 /*
574 * Check to see if this is a mac fork of some kind.
575 */
576
577 if( is_ntfs_stream_name(fname)) {
578 END_PROFILE(SMBntcreateX);
579 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
580 }
581
582 /*
583 we need to handle the case when we get a
584 relative open relative to a file and the
585 pathname is blank - this is a reopen!
586 (hint from demyn plantenberg)
587 */
588
589 END_PROFILE(SMBntcreateX);
590 return(ERROR_DOS(ERRDOS,ERRbadfid));
591 }
592
593 /*
594 * Copy in the base directory name.
595 */
596
597 pstrcpy( fname, dir_fsp->fsp_name );
598 dir_name_len = strlen(fname);
599
600 /*
601 * Ensure it ends in a '\'.
602 */
603
604 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
605 pstrcat(fname, "/");
606 dir_name_len++;
607 }
608
609 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), rel_fname,
610 smb_buf(inbuf), sizeof(rel_fname), 0,
611 STR_TERMINATE, &status);
612 if (!NT_STATUS_IS_OK(status)) {
613 END_PROFILE(SMBntcreateX);
614 return ERROR_NT(status);
615 }
616 pstrcat(fname, rel_fname);
617 } else {
618 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
619 smb_buf(inbuf), sizeof(fname), 0,
620 STR_TERMINATE, &status);
621 if (!NT_STATUS_IS_OK(status)) {
622 END_PROFILE(SMBntcreateX);
623 return ERROR_NT(status);
624 }
625
626 /*
627 * Check to see if this is a mac fork of some kind.
628 */
629
630 if( is_ntfs_stream_name(fname)) {
631 enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
632 if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
633 /*
634 * Here we go! support for changing the disk quotas --metze
635 *
636 * We need to fake up to open this MAGIC QUOTA file
637 * and return a valid FID.
638 *
639 * w2k close this file directly after openening
640 * xp also tries a QUERY_FILE_INFO on the file and then close it
641 */
642 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
643 fake_file_type, fname);
644 END_PROFILE(SMBntcreateX);
645 return result;
646 } else {
647 END_PROFILE(SMBntcreateX);
648 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
649 }
650 }
651 }
652
653 /*
654 * Now contruct the smb_open_mode value from the filename,
655 * desired access and the share access.
656 */
657 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
658 if (!NT_STATUS_IS_OK(status)) {
659 END_PROFILE(SMBntcreateX);
660 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
661 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
662 }
663 return ERROR_NT(status);
664 }
665
666 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
667 if (oplock_request) {
668 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
669 }
670
671 /*
672 * Ordinary file or directory.
673 */
674
675 /*
676 * Check if POSIX semantics are wanted.
677 */
678
679 new_file_attributes = set_posix_case_semantics(conn, file_attributes);
680
681 status = unix_convert(conn, fname, False, NULL, &sbuf);
682 if (!NT_STATUS_IS_OK(status)) {
683 restore_case_semantics(conn, file_attributes);
684 END_PROFILE(SMBntcreateX);
685 return ERROR_NT(status);
686 }
687 /* All file access must go through check_name() */
688 status = check_name(conn, fname);
689 if (!NT_STATUS_IS_OK(status)) {
690 restore_case_semantics(conn, file_attributes);
691 END_PROFILE(SMBntcreateX);
692 return ERROR_NT(status);
693 }
694
695 /* This is the correct thing to do (check every time) but can_delete is
696 expensive (it may have to read the parent directory permissions). So
697 for now we're not doing it unless we have a strong hint the client
698 is really going to delete this file. If the client is forcing FILE_CREATE
699 let the filesystem take care of the permissions. */
700
701 /* Setting FILE_SHARE_DELETE is the hint. */
702
703 if (lp_acl_check_permissions(SNUM(conn))
704 && (create_disposition != FILE_CREATE)
705 && (share_access & FILE_SHARE_DELETE)
706 && (access_mask & DELETE_ACCESS)) {
707 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
708 !can_delete_file_in_directory(conn, fname)) {
709 restore_case_semantics(conn, file_attributes);
710 END_PROFILE(SMBntcreateX);
711 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
712 }
713 }
714
715 #if 0
716 /* We need to support SeSecurityPrivilege for this. */
717 if ((access_mask & SEC_RIGHT_SYSTEM_SECURITY)) &&
718 !user_has_privileges(current_user.nt_user_token,
719 &se_security)) {
720 restore_case_semantics(conn, file_attributes);
721 END_PROFILE(SMBntcreateX);
722 return ERROR_NT(NT_STATUS_PRIVILEGE_NOT_HELD);
723 }
724 #endif
725
726 /*
727 * If it's a request for a directory open, deal with it separately.
728 */
729
730 if(create_options & FILE_DIRECTORY_FILE) {
731
732 /* Can't open a temp directory. IFS kit test. */
733 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
734 END_PROFILE(SMBntcreateX);
735 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
736 }
737
738 oplock_request = 0;
739 status = open_directory(conn, &req, fname, &sbuf,
740 access_mask,
741 share_access,
742 create_disposition,
743 create_options,
744 new_file_attributes,
745 &info, &fsp);
746
747 restore_case_semantics(conn, file_attributes);
748
749 if(!NT_STATUS_IS_OK(status)) {
750 if (!use_nt_status() && NT_STATUS_EQUAL(
751 status, NT_STATUS_OBJECT_NAME_COLLISION)) {
752 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
753 }
754 END_PROFILE(SMBntcreateX);
755 return ERROR_NT(status);
756 }
757
758 } else {
759
760 /*
761 * Ordinary file case.
762 */
763
764 /* NB. We have a potential bug here. If we
765 * cause an oplock break to ourselves, then we
766 * could end up processing filename related
767 * SMB requests whilst we await the oplock
768 * break response. As we may have changed the
769 * filename case semantics to be POSIX-like,
770 * this could mean a filename request could
771 * fail when it should succeed. This is a rare
772 * condition, but eventually we must arrange
773 * to restore the correct case semantics
774 * before issuing an oplock break request to
775 * our client. JRA. */
776
777 status = open_file_ntcreate(conn, &req, fname, &sbuf,
778 access_mask,
779 share_access,
780 create_disposition,
781 create_options,
782 new_file_attributes,
783 oplock_request,
784 &info, &fsp);
785
786 if (!NT_STATUS_IS_OK(status)) {
787 /* We cheat here. There are two cases we
788 * care about. One is a directory rename,
789 * where the NT client will attempt to
790 * open the source directory for
791 * DELETE access. Note that when the
792 * NT client does this it does *not*
793 * set the directory bit in the
794 * request packet. This is translated
795 * into a read/write open
796 * request. POSIX states that any open
797 * for write request on a directory
798 * will generate an EISDIR error, so
799 * we can catch this here and open a
800 * pseudo handle that is flagged as a
801 * directory. The second is an open
802 * for a permissions read only, which
803 * we handle in the open_file_stat case. JRA.
804 */
805
806 if (NT_STATUS_EQUAL(status,
807 NT_STATUS_FILE_IS_A_DIRECTORY)) {
808
809 /*
810 * Fail the open if it was explicitly a non-directory file.
811 */
812
813 if (create_options & FILE_NON_DIRECTORY_FILE) {
814 restore_case_semantics(conn, file_attributes);
815 END_PROFILE(SMBntcreateX);
816 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
817 }
818
819 oplock_request = 0;
820 status = open_directory(conn, &req, fname,
821 &sbuf,
822 access_mask,
823 share_access,
824 create_disposition,
825 create_options,
826 new_file_attributes,
827 &info, &fsp);
828
829 if(!NT_STATUS_IS_OK(status)) {
830 restore_case_semantics(conn, file_attributes);
831 if (!use_nt_status() && NT_STATUS_EQUAL(
832 status, NT_STATUS_OBJECT_NAME_COLLISION)) {
833 status = NT_STATUS_DOS(ERRDOS, ERRfilexists);
834 }
835 END_PROFILE(SMBntcreateX);
836 return ERROR_NT(status);
837 }
838 } else {
839 restore_case_semantics(conn, file_attributes);
840 END_PROFILE(SMBntcreateX);
841 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
842 /* We have re-scheduled this call. */
843 return -1;
844 }
845 return ERROR_NT(status);
846 }
847 }
848 }
849
850 restore_case_semantics(conn, file_attributes);
851
852 file_len = sbuf.st_size;
853 fattr = dos_mode(conn,fname,&sbuf);
854 if(fattr == 0) {
855 fattr = FILE_ATTRIBUTE_NORMAL;
856 }
857 if (!fsp->is_directory && (fattr & aDIR)) {
858 close_file(fsp,ERROR_CLOSE);
859 END_PROFILE(SMBntcreateX);
860 return ERROR_DOS(ERRDOS,ERRnoaccess);
861 }
862
863 /* Save the requested allocation size. */
864 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
865 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
866 #ifdef LARGE_SMB_OFF_T
867 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
868 #endif
869 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
870 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
871 if (fsp->is_directory) {
872 close_file(fsp,ERROR_CLOSE);
873 END_PROFILE(SMBntcreateX);
874 /* Can't set allocation size on a directory. */
875 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
876 }
877 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
878 close_file(fsp,ERROR_CLOSE);
879 END_PROFILE(SMBntcreateX);
880 return ERROR_NT(NT_STATUS_DISK_FULL);
881 }
882 } else {
883 fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
884 }
885 }
886
887 /*
888 * If the caller set the extended oplock request bit
889 * and we granted one (by whatever means) - set the
890 * correct bit for extended oplock reply.
891 */
892
893 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
894 extended_oplock_granted = True;
895 }
896
897 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
898 extended_oplock_granted = True;
899 }
900
901 if (flags & EXTENDED_RESPONSE_REQUIRED) {
902 /* This is very strange. We
903 * return 50 words, but only set
904 * the wcnt to 42 ? It's definately
905 * what happens on the wire....
906 */
907 set_message(inbuf,outbuf,50,0,True);
908 SCVAL(outbuf,smb_wct,42);
909 } else {
910 set_message(inbuf,outbuf,34,0,True);
911 }
912
913 p = outbuf + smb_vwv2;
914
915 /*
916 * Currently as we don't support level II oplocks we just report
917 * exclusive & batch here.
918 */
919
920 if (extended_oplock_granted) {
921 if (flags & REQUEST_BATCH_OPLOCK) {
922 SCVAL(p,0, BATCH_OPLOCK_RETURN);
923 } else {
924 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
925 }
926 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
927 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
928 } else {
929 SCVAL(p,0,NO_OPLOCK_RETURN);
930 }
931
932 p++;
933 SSVAL(p,0,fsp->fnum);
934 p += 2;
935 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
936 SIVAL(p,0,FILE_WAS_SUPERSEDED);
937 } else {
938 SIVAL(p,0,info);
939 }
940 p += 4;
941
942 /* Create time. */
943 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
944 a_timespec = get_atimespec(&sbuf);
945 m_timespec = get_mtimespec(&sbuf);
946
947 if (lp_dos_filetime_resolution(SNUM(conn))) {
948 dos_filetime_timespec(&c_timespec);
949 dos_filetime_timespec(&a_timespec);
950 dos_filetime_timespec(&m_timespec);
951 }
952
953 put_long_date_timespec(p, c_timespec); /* create time. */
954 p += 8;
955 put_long_date_timespec(p, a_timespec); /* access time */
956 p += 8;
957 put_long_date_timespec(p, m_timespec); /* write time */
958 p += 8;
959 put_long_date_timespec(p, m_timespec); /* change time */
960 p += 8;
961 SIVAL(p,0,fattr); /* File Attributes. */
962 p += 4;
963 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
964 p += 8;
965 SOFF_T(p,0,file_len);
966 p += 8;
967 if (flags & EXTENDED_RESPONSE_REQUIRED) {
968 SSVAL(p,2,0x7);
969 }
970 p += 4;
971 SCVAL(p,0,fsp->is_directory ? 1 : 0);
972
973 if (flags & EXTENDED_RESPONSE_REQUIRED) {
974 uint32 perms = 0;
975 p += 25;
976 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
977 perms = FILE_GENERIC_ALL;
978 } else {
979 perms = FILE_GENERIC_READ|FILE_EXECUTE;
980 }
981 SIVAL(p,0,perms);
982 }
983
984 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
985
986 result = chain_reply(inbuf,outbuf,length,bufsize);
987 END_PROFILE(SMBntcreateX);
988 return result;
989 }
990
991 /****************************************************************************
992 Reply to a NT_TRANSACT_CREATE call to open a pipe.
993 ****************************************************************************/
994
995 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
996 uint16 **ppsetup, uint32 setup_count,
997 char **ppparams, uint32 parameter_count,
998 char **ppdata, uint32 data_count)
999 {
1000 pstring fname;
1001 char *params = *ppparams;
1002 int ret;
1003 int pnum = -1;
1004 char *p = NULL;
1005 NTSTATUS status;
1006 size_t param_len;
1007 uint32 flags;
1008
1009 /*
1010 * Ensure minimum number of parameters sent.
1011 */
1012
1013 if(parameter_count < 54) {
1014 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1015 return ERROR_DOS(ERRDOS,ERRnoaccess);
1016 }
1017
1018 flags = IVAL(params,0);
1019
1020 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1021 sizeof(fname), parameter_count-53, STR_TERMINATE,
1022 &status);
1023 if (!NT_STATUS_IS_OK(status)) {
1024 return ERROR_NT(status);
1025 }
1026
1027 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
1028 return ret;
1029 }
1030
1031 /* Realloc the size of parameters and data we will return */
1032 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1033 /* Extended response is 32 more byyes. */
1034 param_len = 101;
1035 } else {
1036 param_len = 69;
1037 }
1038 params = nttrans_realloc(ppparams, param_len);
1039 if(params == NULL) {
1040 return ERROR_DOS(ERRDOS,ERRnomem);
1041 }
1042
1043 p = params;
1044 SCVAL(p,0,NO_OPLOCK_RETURN);
1045
1046 p += 2;
1047 SSVAL(p,0,pnum);
1048 p += 2;
1049 SIVAL(p,0,FILE_WAS_OPENED);
1050 p += 8;
1051
1052 p += 32;
1053 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1054 p += 20;
1055 /* File type. */
1056 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1057 /* Device state. */
1058 SSVAL(p,2, 0x5FF); /* ? */
1059 p += 4;
1060
1061 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1062 p += 25;
1063 SIVAL(p,0,FILE_GENERIC_ALL);
1064 /*
1065 * For pipes W2K3 seems to return
1066 * 0x12019B next.
1067 * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
1068 */
1069 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
1070 }
1071
1072 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1073
1074 /* Send the required number of replies */
1075 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1076
1077 return -1;
1078 }
1079
1080 /****************************************************************************
1081 Internal fn to set security descriptors.
1082 ****************************************************************************/
1083
1084 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1085 {
1086 prs_struct pd;
1087 SEC_DESC *psd = NULL;
1088 TALLOC_CTX *mem_ctx;
1089 NTSTATUS status;
1090
1091 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
1092 return NT_STATUS_OK;
1093 }
1094
1095 /*
1096 * Init the parse struct we will unmarshall from.
1097 */
1098
1099 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1100 DEBUG(0,("set_sd: talloc_init failed.\n"));
1101 return NT_STATUS_NO_MEMORY;
1102 }
1103
1104 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1105
1106 /*
1107 * Setup the prs_struct to point at the memory we just
1108 * allocated.
1109 */
1110
1111 prs_give_memory( &pd, data, sd_len, False);
1112
1113 /*
1114 * Finally, unmarshall from the data buffer.
1115 */
1116
1117 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1118 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1119 /*
1120 * Return access denied for want of a better error message..
1121 */
1122 talloc_destroy(mem_ctx);
1123 return NT_STATUS_NO_MEMORY;
1124 }
1125
1126 if (psd->owner_sid==0) {
1127 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1128 }
1129 if (psd->group_sid==0) {
1130 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1131 }
1132 if (psd->sacl==0) {
1133 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1134 }
1135 if (psd->dacl==0) {
1136 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1137 }
1138
1139 status = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1140
1141 talloc_destroy(mem_ctx);
1142 return status;
1143 }
1144
1145 /****************************************************************************
1146 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1147 ****************************************************************************/
1148
1149 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1150 {
1151 struct ea_list *ea_list_head = NULL;
1152 size_t offset = 0;
1153
1154 if (data_size < 4) {
1155 return NULL;
1156 }
1157
1158 while (offset + 4 <= data_size) {
1159 size_t next_offset = IVAL(pdata,offset);
1160 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1161
1162 if (!eal) {
1163 return NULL;
1164 }
1165
1166 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1167 if (next_offset == 0) {
1168 break;
1169 }
1170 offset += next_offset;
1171 }
1172
1173 return ea_list_head;
1174 }
1175
1176 /****************************************************************************
1177 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1178 ****************************************************************************/
1179
1180 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1181 uint16 **ppsetup, uint32 setup_count,
1182 char **ppparams, uint32 parameter_count,
1183 char **ppdata, uint32 data_count, uint32 max_data_count)
1184 {
1185 pstring fname;
1186 char *params = *ppparams;
1187 char *data = *ppdata;
1188 /* Breakout the oplock request bits so we can set the reply bits separately. */
1189 int oplock_request = 0;
1190 uint32 fattr=0;
1191 SMB_OFF_T file_len = 0;
1192 SMB_STRUCT_STAT sbuf;
1193 int info = 0;
1194 files_struct *fsp = NULL;
1195 char *p = NULL;
1196 BOOL extended_oplock_granted = False;
1197 uint32 flags;
1198 uint32 access_mask;
1199 uint32 file_attributes;
1200 uint32 new_file_attributes;
1201 uint32 share_access;
1202 uint32 create_disposition;
1203 uint32 create_options;
1204 uint32 sd_len;
1205 uint32 ea_len;
1206 uint16 root_dir_fid;
1207 struct timespec c_timespec;
1208 struct timespec a_timespec;
1209 struct timespec m_timespec;
1210 struct ea_list *ea_list = NULL;
1211 TALLOC_CTX *ctx = NULL;
1212 char *pdata = NULL;
1213 NTSTATUS status;
1214 size_t param_len;
1215 struct smb_request req;
1216
1217 DEBUG(5,("call_nt_transact_create\n"));
1218
1219 /*
1220 * If it's an IPC, use the pipe handler.
1221 */
1222
1223 if (IS_IPC(conn)) {
1224 if (lp_nt_pipe_support()) {
1225 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1226 bufsize,
1227 ppsetup, setup_count,
1228 ppparams, parameter_count,
1229 ppdata, data_count);
1230 } else {
1231 return ERROR_DOS(ERRDOS,ERRnoaccess);
1232 }
1233 }
1234
1235 /*
1236 * Ensure minimum number of parameters sent.
1237 */
1238
1239 if(parameter_count < 54) {
1240 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1241 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1242 }
1243
1244 init_smb_request(&req, (uint8 *)inbuf);
1245
1246 flags = IVAL(params,0);
1247 access_mask = IVAL(params,8);
1248 file_attributes = IVAL(params,20);
1249 share_access = IVAL(params,24);
1250 create_disposition = IVAL(params,28);
1251 create_options = IVAL(params,32);
1252 sd_len = IVAL(params,36);
1253 ea_len = IVAL(params,40);
1254 root_dir_fid = (uint16)IVAL(params,4);
1255
1256 /* Ensure the data_len is correct for the sd and ea values given. */
1257 if ((ea_len + sd_len > data_count) ||
1258 (ea_len > data_count) || (sd_len > data_count) ||
1259 (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1260 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1261 (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1262 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1263 }
1264
1265 if (ea_len) {
1266 if (!lp_ea_support(SNUM(conn))) {
1267 DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1268 (unsigned int)ea_len ));
1269 return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1270 }
1271
1272 if (ea_len < 10) {
1273 DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1274 (unsigned int)ea_len ));
1275 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1276 }
1277 }
1278
1279 if (create_options & FILE_OPEN_BY_FILE_ID) {
1280 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1281 }
1282
1283 /*
1284 * Get the file name.
1285 */
1286
1287 if(root_dir_fid != 0) {
1288 /*
1289 * This filename is relative to a directory fid.
1290 */
1291 files_struct *dir_fsp = file_fsp(params,4);
1292 size_t dir_name_len;
1293
1294 if(!dir_fsp) {
1295 return ERROR_DOS(ERRDOS,ERRbadfid);
1296 }
1297
1298 if(!dir_fsp->is_directory) {
1299 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname,
1300 params+53, sizeof(fname),
1301 parameter_count-53, STR_TERMINATE,
1302 &status);
1303 if (!NT_STATUS_IS_OK(status)) {
1304 return ERROR_NT(status);
1305 }
1306
1307 /*
1308 * Check to see if this is a mac fork of some kind.
1309 */
1310
1311 if( is_ntfs_stream_name(fname)) {
1312 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1313 }
1314
1315 return ERROR_DOS(ERRDOS,ERRbadfid);
1316 }
1317
1318 /*
1319 * Copy in the base directory name.
1320 */
1321
1322 pstrcpy( fname, dir_fsp->fsp_name );
1323 dir_name_len = strlen(fname);
1324
1325 /*
1326 * Ensure it ends in a '\'.
1327 */
1328
1329 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1330 pstrcat(fname, "/");
1331 dir_name_len++;
1332 }
1333
1334 {
1335 pstring tmpname;
1336 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), tmpname,
1337 params+53, sizeof(tmpname),
1338 parameter_count-53, STR_TERMINATE,
1339 &status);
1340 if (!NT_STATUS_IS_OK(status)) {
1341 return ERROR_NT(status);
1342 }
1343 pstrcat(fname, tmpname);
1344 }
1345 } else {
1346 srvstr_get_path(inbuf, SVAL(inbuf,smb_flg2), fname, params+53,
1347 sizeof(fname), parameter_count-53,
1348 STR_TERMINATE, &status);
1349 if (!NT_STATUS_IS_OK(status)) {
1350 return ERROR_NT(status);
1351 }
1352
1353 /*
1354 * Check to see if this is a mac fork of some kind.
1355 */
1356
1357 if( is_ntfs_stream_name(fname)) {
1358 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1359 }
1360 }
1361
1362 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1363 if (oplock_request) {
1364 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1365 }
1366
1367 /*
1368 * Ordinary file or directory.
1369 */
1370
1371 /*
1372 * Check if POSIX semantics are wanted.
1373 */
1374
1375 new_file_attributes = set_posix_case_semantics(conn, file_attributes);
1376
1377 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, fname);
1378 if (!NT_STATUS_IS_OK(status)) {
1379 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1380 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1381 }
1382 return ERROR_NT(status);
1383 }
1384
1385 status = unix_convert(conn, fname, False, NULL, &sbuf);
1386 if (!NT_STATUS_IS_OK(status)) {
1387 restore_case_semantics(conn, file_attributes);
1388 return ERROR_NT(status);
1389 }
1390 /* All file access must go through check_name() */
1391 status = check_name(conn, fname);
1392 if (!NT_STATUS_IS_OK(status)) {
1393 restore_case_semantics(conn, file_attributes);
1394 return ERROR_NT(status);
1395 }
1396
1397 /* This is the correct thing to do (check every time) but can_delete is
1398 expensive (it may have to read the parent directory permissions). So
1399 for now we're not doing it unless we have a strong hint the client
1400 is really going to delete this file. If the client is forcing FILE_CREATE
1401 let the filesystem take care of the permissions. */
1402
1403 /* Setting FILE_SHARE_DELETE is the hint. */
1404
1405 if (lp_acl_check_permissions(SNUM(conn))
1406 && (create_disposition != FILE_CREATE)
1407 && (share_access & FILE_SHARE_DELETE)
1408 && (access_mask & DELETE_ACCESS)) {
1409 if ((dos_mode(conn, fname, &sbuf) & FILE_ATTRIBUTE_READONLY) ||
1410 !can_delete_file_in_directory(conn, fname)) {
1411 restore_case_semantics(conn, file_attributes);
1412 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1413 }
1414 }
1415
1416 if (ea_len) {
1417 pdata = data + sd_len;
1418
1419 /* We have already checked that ea_len <= data_count here. */
1420 ea_list = read_nttrans_ea_list(tmp_talloc_ctx(), pdata,
1421 ea_len);
1422 if (!ea_list ) {
1423 restore_case_semantics(conn, file_attributes);
1424 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1425 }
1426 }
1427
1428 /*
1429 * If it's a request for a directory open, deal with it separately.
1430 */
1431
1432 if(create_options & FILE_DIRECTORY_FILE) {
1433
1434 /* Can't open a temp directory. IFS kit test. */
1435 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1436 restore_case_semantics(conn, file_attributes);
1437 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1438 }
1439
1440 /*
1441 * We will get a create directory here if the Win32
1442 * app specified a security descriptor in the
1443 * CreateDirectory() call.
1444 */
1445
1446 oplock_request = 0;
1447 status = open_directory(conn, &req, fname, &sbuf,
1448 access_mask,
1449 share_access,
1450 create_disposition,
1451 create_options,
1452 new_file_attributes,
1453 &info, &fsp);
1454 if(!NT_STATUS_IS_OK(status)) {
1455 restore_case_semantics(conn, file_attributes);
1456 return ERROR_NT(status);
1457 }
1458
1459 } else {
1460
1461 /*
1462 * Ordinary file case.
1463 */
1464
1465 status = open_file_ntcreate(conn,&req,fname,&sbuf,
1466 access_mask,
1467 share_access,
1468 create_disposition,
1469 create_options,
1470 new_file_attributes,
1471 oplock_request,
1472 &info, &fsp);
1473
1474 if (!NT_STATUS_IS_OK(status)) {
1475 if (NT_STATUS_EQUAL(status,
1476 NT_STATUS_FILE_IS_A_DIRECTORY)) {
1477
1478 /*
1479 * Fail the open if it was explicitly a non-directory file.
1480 */
1481
1482 if (create_options & FILE_NON_DIRECTORY_FILE) {
1483 restore_case_semantics(conn, file_attributes);
1484 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1485 }
1486
1487 oplock_request = 0;
1488 status = open_directory(conn, &req, fname,
1489 &sbuf,
1490 access_mask,
1491 share_access,
1492 create_disposition,
1493 create_options,
1494 new_file_attributes,
1495 &info, &fsp);
1496 if(!NT_STATUS_IS_OK(status)) {
1497 restore_case_semantics(conn, file_attributes);
1498 return ERROR_NT(status);
1499 }
1500 } else {
1501 restore_case_semantics(conn, file_attributes);
1502 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1503 /* We have re-scheduled this call. */
1504 return -1;
1505 }
1506 return ERROR_NT(status);
1507 }
1508 }
1509 }
1510
1511 /*
1512 * According to the MS documentation, the only time the security
1513 * descriptor is applied to the opened file is iff we *created* the
1514 * file; an existing file stays the same.
1515 *
1516 * Also, it seems (from observation) that you can open the file with
1517 * any access mask but you can still write the sd. We need to override
1518 * the granted access before we call set_sd
1519 * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1520 */
1521
1522 if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1523 uint32 saved_access_mask = fsp->access_mask;
1524
1525 /* We have already checked that sd_len <= data_count here. */
1526
1527 fsp->access_mask = FILE_GENERIC_ALL;
1528
1529 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1530 if (!NT_STATUS_IS_OK(status)) {
1531 talloc_destroy(ctx);
1532 close_file(fsp,ERROR_CLOSE);
1533 restore_case_semantics(conn, file_attributes);
1534 return ERROR_NT(status);
1535 }
1536 fsp->access_mask = saved_access_mask;
1537 }
1538
1539 if (ea_len && (info == FILE_WAS_CREATED)) {
1540 status = set_ea(conn, fsp, fname, ea_list);
1541 if (!NT_STATUS_IS_OK(status)) {
1542 close_file(fsp,ERROR_CLOSE);
1543 restore_case_semantics(conn, file_attributes);
1544 return ERROR_NT(status);
1545 }
1546 }
1547
1548 restore_case_semantics(conn, file_attributes);
1549
1550 file_len = sbuf.st_size;
1551 fattr = dos_mode(conn,fname,&sbuf);
1552 if(fattr == 0) {
1553 fattr = FILE_ATTRIBUTE_NORMAL;
1554 }
1555 if (!fsp->is_directory && (fattr & aDIR)) {
1556 close_file(fsp,ERROR_CLOSE);
1557 return ERROR_DOS(ERRDOS,ERRnoaccess);
1558 }
1559
1560 /* Save the requested allocation size. */
1561 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1562 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1563 #ifdef LARGE_SMB_OFF_T
1564 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1565 #endif
1566 if (allocation_size && (allocation_size > file_len)) {
1567 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1568 if (fsp->is_directory) {
1569 close_file(fsp,ERROR_CLOSE);
1570 /* Can't set allocation size on a directory. */
1571 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1572 }
1573 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1574 close_file(fsp,ERROR_CLOSE);
1575 return ERROR_NT(NT_STATUS_DISK_FULL);
1576 }
1577 } else {
1578 fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1579 }
1580 }
1581
1582 /*
1583 * If the caller set the extended oplock request bit
1584 * and we granted one (by whatever means) - set the
1585 * correct bit for extended oplock reply.
1586 */
1587
1588 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1589 extended_oplock_granted = True;
1590 }
1591
1592 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1593 extended_oplock_granted = True;
1594 }
1595
1596 /* Realloc the size of parameters and data we will return */
1597 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1598 /* Extended response is 32 more byyes. */
1599 param_len = 101;
1600 } else {
1601 param_len = 69;
1602 }
1603 params = nttrans_realloc(ppparams, param_len);
1604 if(params == NULL) {
1605 return ERROR_DOS(ERRDOS,ERRnomem);
1606 }
1607
1608 p = params;
1609 if (extended_oplock_granted) {
1610 if (flags & REQUEST_BATCH_OPLOCK) {
1611 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1612 } else {
1613 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
1614 }
1615 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1616 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1617 } else {
1618 SCVAL(p,0,NO_OPLOCK_RETURN);
1619 }
1620
1621 p += 2;
1622 SSVAL(p,0,fsp->fnum);
1623 p += 2;
1624 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1625 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1626 } else {
1627 SIVAL(p,0,info);
1628 }
1629 p += 8;
1630
1631 /* Create time. */
1632 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1633 a_timespec = get_atimespec(&sbuf);
1634 m_timespec = get_mtimespec(&sbuf);
1635
1636 if (lp_dos_filetime_resolution(SNUM(conn))) {
1637 dos_filetime_timespec(&c_timespec);
1638 dos_filetime_timespec(&a_timespec);
1639 dos_filetime_timespec(&m_timespec);
1640 }
1641
1642 put_long_date_timespec(p, c_timespec); /* create time. */
1643 p += 8;
1644 put_long_date_timespec(p, a_timespec); /* access time */
1645 p += 8;
1646 put_long_date_timespec(p, m_timespec); /* write time */
1647 p += 8;
1648 put_long_date_timespec(p, m_timespec); /* change time */
1649 p += 8;
1650 SIVAL(p,0,fattr); /* File Attributes. */
1651 p += 4;
1652 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1653 p += 8;
1654 SOFF_T(p,0,file_len);
1655 p += 8;
1656 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1657 SSVAL(p,2,0x7);
1658 }
1659 p += 4;
1660 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1661
1662 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1663 uint32 perms = 0;
1664 p += 25;
1665 if (fsp->is_directory || can_write_to_file(conn, fname, &sbuf)) {
1666 perms = FILE_GENERIC_ALL;
1667 } else {
1668 perms = FILE_GENERIC_READ|FILE_EXECUTE;
1669 }
1670 SIVAL(p,0,perms);
1671 }
1672
1673 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1674
1675 /* Send the required number of replies */
1676 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, *ppdata, 0);
1677
1678 return -1;
1679 }
1680
1681 /****************************************************************************
1682 Reply to a NT CANCEL request.
1683 conn POINTER CAN BE NULL HERE !
1684 ****************************************************************************/
1685
1686 int reply_ntcancel(connection_struct *conn,
1687 char *inbuf,char *outbuf,int length,int bufsize)
1688 {
1689 /*
1690 * Go through and cancel any pending change notifies.
1691 */
1692
1693 int mid = SVAL(inbuf,smb_mid);
1694 START_PROFILE(SMBntcancel);
1695 remove_pending_change_notify_requests_by_mid(mid);
1696 remove_pending_lock_requests_by_mid(mid);
1697 srv_cancel_sign_response(mid);
1698
1699 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1700
1701 END_PROFILE(SMBntcancel);
1702 return(-1);
1703 }
1704
1705 /****************************************************************************
1706 Copy a file.
1707 ****************************************************************************/
1708
1709 static NTSTATUS copy_internals(connection_struct *conn,
1710 struct smb_request *req,
1711 char *oldname, char *newname, uint32 attrs)
1712 {
1713 SMB_STRUCT_STAT sbuf1, sbuf2;
1714 pstring last_component_oldname;
1715 pstring last_component_newname;
1716 files_struct *fsp1,*fsp2;
1717 uint32 fattr;
1718 int info;
1719 SMB_OFF_T ret=-1;
1720 NTSTATUS status = NT_STATUS_OK;
1721
1722 ZERO_STRUCT(sbuf1);
1723 ZERO_STRUCT(sbuf2);
1724
1725 if (!CAN_WRITE(conn)) {
1726 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1727 }
1728
1729 status = unix_convert(conn, oldname, False, last_component_oldname, &sbuf1);
1730 if (!NT_STATUS_IS_OK(status)) {
1731 return status;
1732 }
1733
1734 status = check_name(conn, oldname);
1735 if (!NT_STATUS_IS_OK(status)) {
1736 return status;
1737 }
1738
1739 /* Source must already exist. */
1740 if (!VALID_STAT(sbuf1)) {
1741 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1742 }
1743 /* Ensure attributes match. */
1744 fattr = dos_mode(conn,oldname,&sbuf1);
1745 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1746 return NT_STATUS_NO_SUCH_FILE;
1747 }
1748
1749 status = unix_convert(conn, newname, False, last_component_newname, &sbuf2);
1750 if (!NT_STATUS_IS_OK(status)) {
1751 return status;
1752 }
1753
1754 status = check_name(conn, newname);
1755 if (!NT_STATUS_IS_OK(status)) {
1756 return status;
1757 }
1758
1759 /* Disallow if newname already exists. */
1760 if (VALID_STAT(sbuf2)) {
1761 return NT_STATUS_OBJECT_NAME_COLLISION;
1762 }
1763
1764 /* No links from a directory. */
1765 if (S_ISDIR(sbuf1.st_mode)) {
1766 return NT_STATUS_FILE_IS_A_DIRECTORY;
1767 }
1768
1769 /* Ensure this is within the share. */
1770 status = reduce_name(conn, oldname);
1771 if (!NT_STATUS_IS_OK(status)) {
1772 return status;
1773 }
1774
1775 DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1776
1777 status = open_file_ntcreate(conn, req, oldname, &sbuf1,
1778 FILE_READ_DATA, /* Read-only. */
1779 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1780 FILE_OPEN,
1781 0, /* No create options. */
1782 FILE_ATTRIBUTE_NORMAL,
1783 NO_OPLOCK,
1784 &info, &fsp1);
1785
1786 if (!NT_STATUS_IS_OK(status)) {
1787 return status;
1788 }
1789
1790 status = open_file_ntcreate(conn, req, newname, &sbuf2,
1791 FILE_WRITE_DATA, /* Read-only. */
1792 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1793 FILE_CREATE,
1794 0, /* No create options. */
1795 fattr,
1796 NO_OPLOCK,
1797 &info, &fsp2);
1798
1799 if (!NT_STATUS_IS_OK(status)) {
1800 close_file(fsp1,ERROR_CLOSE);
1801 return status;
1802 }
1803
1804 if (sbuf1.st_size) {
1805 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1806 }
1807
1808 /*
1809 * As we are opening fsp1 read-only we only expect
1810 * an error on close on fsp2 if we are out of space.
1811 * Thus we don't look at the error return from the
1812 * close of fsp1.
1813 */
1814 close_file(fsp1,NORMAL_CLOSE);
1815
1816 /* Ensure the modtime is set correctly on the destination file. */
1817 fsp_set_pending_modtime(fsp2, get_mtimespec(&sbuf1));
1818
1819 status = close_file(fsp2,NORMAL_CLOSE);
1820
1821 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1822 creates the file. This isn't the correct thing to do in the copy
1823 case. JRA */
1824 file_set_dosmode(conn, newname, fattr, &sbuf2,
1825 parent_dirname(newname));
1826
1827 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1828 return NT_STATUS_DISK_FULL;
1829 }
1830
1831 if (!NT_STATUS_IS_OK(status)) {
1832 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1833 nt_errstr(status), oldname, newname));
1834 }
1835 return status;
1836 }
1837
1838 /****************************************************************************
1839 Reply to a NT rename request.
1840 ****************************************************************************/
1841
1842 int reply_ntrename(connection_struct *conn,
1843 char *inbuf,char *outbuf,int length,int bufsize)
1844 {
1845 int outsize = 0;
1846 pstring oldname;
1847 pstring newname;
1848 char *p;
1849 NTSTATUS status;
1850 BOOL src_has_wcard = False;
1851 BOOL dest_has_wcard = False;
1852 uint32 attrs = SVAL(inbuf,smb_vwv0);
1853 uint16 rename_type = SVAL(inbuf,smb_vwv1);
1854 struct smb_request req;
1855
1856 START_PROFILE(SMBntrename);
1857
1858 init_smb_request(&req, (uint8 *)inbuf);
1859
1860 p = smb_buf(inbuf) + 1;
1861 p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), oldname, p,
1862 sizeof(oldname), 0, STR_TERMINATE, &status,
1863 &src_has_wcard);
1864 if (!NT_STATUS_IS_OK(status)) {
1865 END_PROFILE(SMBntrename);
1866 return ERROR_NT(status);
1867 }
1868
1869 if( is_ntfs_stream_name(oldname)) {
1870 /* Can't rename a stream. */
1871 END_PROFILE(SMBntrename);
1872 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1873 }
1874
1875 if (ms_has_wild(oldname)) {
1876 END_PROFILE(SMBntrename);
1877 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1878 }
1879
1880 p++;
1881 p += srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), newname, p,
1882 sizeof(newname), 0, STR_TERMINATE, &status,
1883 &dest_has_wcard);
1884 if (!NT_STATUS_IS_OK(status)) {
1885 END_PROFILE(SMBntrename);
1886 return ERROR_NT(status);
1887 }
1888
1889 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, oldname);
1890 if (!NT_STATUS_IS_OK(status)) {
1891 END_PROFILE(SMBntrename);
1892 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1893 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1894 }
1895 return ERROR_NT(status);
1896 }
1897
1898 status = resolve_dfspath(conn, SVAL(inbuf,smb_flg2) & FLAGS2_DFS_PATHNAMES, newname);
1899 if (!NT_STATUS_IS_OK(status)) {
1900 END_PROFILE(SMBntrename);
1901 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1902 return ERROR_BOTH(NT_STATUS_PATH_NOT_COVERED, ERRSRV, ERRbadpath);
1903 }
1904 return ERROR_NT(status);
1905 }
1906
1907 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1908
1909 switch(rename_type) {
1910 case RENAME_FLAG_RENAME:
1911 status = rename_internals(conn, &req, oldname, newname,
1912 attrs, False, src_has_wcard,
1913 dest_has_wcard);
1914 break;
1915 case RENAME_FLAG_HARD_LINK:
1916 if (src_has_wcard || dest_has_wcard) {
1917 /* No wildcards. */
1918 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1919 } else {
1920 status = hardlink_internals(conn, oldname, newname);
1921 }
1922 break;
1923 case RENAME_FLAG_COPY:
1924 if (src_has_wcard || dest_has_wcard) {
1925 /* No wildcards. */
1926 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1927 } else {
1928 status = copy_internals(conn, &req, oldname,
1929 newname, attrs);
1930 }
1931 break;
1932 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1933 status = NT_STATUS_INVALID_PARAMETER;
1934 break;
1935 default:
1936 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1937 break;
1938 }
1939
1940 if (!NT_STATUS_IS_OK(status)) {
1941 END_PROFILE(SMBntrename);
1942 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1943 /* We have re-scheduled this call. */
1944 return -1;
1945 }
1946 return ERROR_NT(status);
1947 }
1948
1949 outsize = set_message(inbuf,outbuf,0,0,False);
1950
1951 END_PROFILE(SMBntrename);
1952 return(outsize);
1953 }
1954
1955 /****************************************************************************
1956 Reply to a notify change - queue the request and
1957 don't allow a directory to be opened.
1958 ****************************************************************************/
1959
1960 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf,
1961 char *outbuf, int length,
1962 int bufsize,
1963 uint16 **ppsetup, uint32 setup_count,
1964 char **ppparams,
1965 uint32 parameter_count,
1966 char **ppdata, uint32 data_count,
1967 uint32 max_data_count,
1968 uint32 max_param_count)
1969 {
1970 uint16 *setup = *ppsetup;
1971 files_struct *fsp;
1972 uint32 filter;
1973 NTSTATUS status;
1974 BOOL recursive;
1975
1976 if(setup_count < 6) {
1977 return ERROR_DOS(ERRDOS,ERRbadfunc);
1978 }
1979
1980 fsp = file_fsp((char *)setup,4);
1981 filter = IVAL(setup, 0);
1982 recursive = (SVAL(setup, 6) != 0) ? True : False;
1983
1984 DEBUG(3,("call_nt_transact_notify_change\n"));
1985
1986 if(!fsp) {
1987 return ERROR_DOS(ERRDOS,ERRbadfid);
1988 }
1989
1990 {
1991 char *filter_string;
1992
1993 if (!(filter_string = notify_filter_string(NULL, filter))) {
1994 return ERROR_NT(NT_STATUS_NO_MEMORY);
1995 }
1996
1997 DEBUG(3,("call_nt_transact_notify_change: notify change "
1998 "called on %s, filter = %s, recursive = %d\n",
1999 fsp->fsp_name, filter_string, recursive));
2000
2001 TALLOC_FREE(filter_string);
2002 }
2003
2004 if((!fsp->is_directory) || (conn != fsp->conn)) {
2005 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2006 }
2007
2008 if (fsp->notify == NULL) {
2009
2010 status = change_notify_create(fsp, filter, recursive);
2011
2012 if (!NT_STATUS_IS_OK(status)) {
2013 DEBUG(10, ("change_notify_create returned %s\n",
2014 nt_errstr(status)));
2015 return ERROR_NT(status);
2016 }
2017 }
2018
2019 if (fsp->notify->num_changes != 0) {
2020
2021 /*
2022 * We've got changes pending, respond immediately
2023 */
2024
2025 /*
2026 * TODO: write a torture test to check the filtering behaviour
2027 * here.
2028 */
2029
2030 change_notify_reply(inbuf, fsp->notify);
2031
2032 /*
2033 * change_notify_reply() above has independently sent its
2034 * results
2035 */
2036 return -1;
2037 }
2038
2039 /*
2040 * No changes pending, queue the request
2041 */
2042
2043 status = change_notify_add_request(inbuf, filter, recursive, fsp);
2044 if (!NT_STATUS_IS_OK(status)) {
2045 return ERROR_NT(status);
2046 }
2047
2048 return -1;
2049 }
2050
2051 /****************************************************************************
2052 Reply to an NT transact rename command.
2053 ****************************************************************************/
2054
2055 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2056 uint16 **ppsetup, uint32 setup_count,
2057 char **ppparams, uint32 parameter_count,
2058 char **ppdata, uint32 data_count, uint32 max_data_count)
2059 {
2060 char *params = *ppparams;
2061 pstring new_name;
2062 files_struct *fsp = NULL;
2063 BOOL replace_if_exists = False;
2064 BOOL dest_has_wcard = False;
2065 NTSTATUS status;
2066 struct smb_request req;
2067
2068 init_smb_request(&req, (uint8 *)inbuf);
2069
2070 if(parameter_count < 5) {
2071 return ERROR_DOS(ERRDOS,ERRbadfunc);
2072 }
2073
2074 fsp = file_fsp(params, 0);
2075 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
2076 CHECK_FSP(fsp, conn);
2077 srvstr_get_path_wcard(inbuf, SVAL(inbuf,smb_flg2), new_name, params+4,
2078 sizeof(new_name), parameter_count - 4,
2079 STR_TERMINATE, &status, &dest_has_wcard);
2080 if (!NT_STATUS_IS_OK(status)) {
2081 return ERROR_NT(status);
2082 }
2083
2084 status = rename_internals(conn, &req, fsp->fsp_name,
2085 new_name, 0, replace_if_exists, False, dest_has_wcard);
2086
2087 if (!NT_STATUS_IS_OK(status)) {
2088 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
2089 /* We have re-scheduled this call. */
2090 return -1;
2091 }
2092 return ERROR_NT(status);
2093 }
2094
2095 /*
2096 * Rename was successful.
2097 */
2098 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2099
2100 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
2101 fsp->fsp_name, new_name));
2102
2103 return -1;
2104 }
2105
2106 /******************************************************************************
2107 Fake up a completely empty SD.
2108 *******************************************************************************/
2109
2110 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
2111 {
2112 size_t sd_size;
2113
2114 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
2115 if(!*ppsd) {
2116 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
2117 sd_size = 0;
2118 }
2119
2120 return sd_size;
2121 }
2122
2123 /****************************************************************************
2124 Reply to query a security descriptor.
2125 ****************************************************************************/
2126
2127 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2128 uint16 **ppsetup, uint32 setup_count,
2129 char **ppparams, uint32 parameter_count,
2130 char **ppdata, uint32 data_count, uint32 max_data_count)
2131 {
2132 char *params = *ppparams;
2133 char *data = *ppdata;
2134 prs_struct pd;
2135 SEC_DESC *psd = NULL;
2136 size_t sd_size;
2137 uint32 security_info_wanted;
2138 TALLOC_CTX *mem_ctx;
2139 files_struct *fsp = NULL;
2140
2141 if(parameter_count < 8) {
2142 return ERROR_DOS(ERRDOS,ERRbadfunc);
2143 }
2144
2145 fsp = file_fsp(params,0);
2146 if(!fsp) {
2147 return ERROR_DOS(ERRDOS,ERRbadfid);
2148 }
2149
2150 security_info_wanted = IVAL(params,4);
2151
2152 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
2153 (unsigned int)security_info_wanted ));
2154
2155 params = nttrans_realloc(ppparams, 4);
2156 if(params == NULL) {
2157 return ERROR_DOS(ERRDOS,ERRnomem);
2158 }
2159
2160 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
2161 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
2162 return ERROR_DOS(ERRDOS,ERRnomem);
2163 }
2164
2165 /*
2166 * Get the permissions to return.
2167 */
2168
2169 if (!lp_nt_acl_support(SNUM(conn))) {
2170 sd_size = get_null_nt_acl(mem_ctx, &psd);
2171 } else {
2172 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
2173 }
2174
2175 if (sd_size == 0) {
2176 talloc_destroy(mem_ctx);
2177 return(UNIXERROR(ERRDOS,ERRnoaccess));
2178 }
2179
2180 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
2181
2182 SIVAL(params,0,(uint32)sd_size);
2183
2184 if(max_data_count < sd_size) {
2185
2186 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
2187 params, 4, *ppdata, 0);
2188 talloc_destroy(mem_ctx);
2189 return -1;
2190 }
2191
2192 /*
2193 * Allocate the data we will point this at.
2194 */
2195
2196 data = nttrans_realloc(ppdata, sd_size);
2197 if(data == NULL) {
2198 talloc_destroy(mem_ctx);
2199 return ERROR_DOS(ERRDOS,ERRnomem);
2200 }
2201
2202 /*
2203 * Init the parse struct we will marshall into.
2204 */
2205
2206 prs_init(&pd, 0, mem_ctx, MARSHALL);
2207
2208 /*
2209 * Setup the prs_struct to point at the memory we just
2210 * allocated.
2211 */
2212
2213 prs_give_memory( &pd, data, (uint32)sd_size, False);
2214
2215 /*
2216 * Finally, linearize into the outgoing buffer.
2217 */
2218
2219 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2220 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2221 security descriptor.\n"));
2222 /*
2223 * Return access denied for want of a better error message..
2224 */
2225 talloc_destroy(mem_ctx);
2226 return(UNIXERROR(ERRDOS,ERRnoaccess));
2227 }
2228
2229 /*
2230 * Now we can delete the security descriptor.
2231 */
2232
2233 talloc_destroy(mem_ctx);
2234
2235 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data,
2236 (int)sd_size);
2237 return -1;
2238 }
2239
2240 /****************************************************************************
2241 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2242 ****************************************************************************/
2243
2244 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2245 uint16 **ppsetup, uint32 setup_count,
2246 char **ppparams, uint32 parameter_count,
2247 char **ppdata, uint32 data_count, uint32 max_data_count)
2248 {
2249 char *params= *ppparams;
2250 char *data = *ppdata;
2251 files_struct *fsp = NULL;
2252 uint32 security_info_sent = 0;
2253 NTSTATUS nt_status;
2254
2255 if(parameter_count < 8) {
2256 return ERROR_DOS(ERRDOS,ERRbadfunc);
2257 }
2258
2259 if((fsp = file_fsp(params,0)) == NULL) {
2260 return ERROR_DOS(ERRDOS,ERRbadfid);
2261 }
2262
2263 if(!lp_nt_acl_support(SNUM(conn))) {
2264 goto done;
2265 }
2266
2267 security_info_sent = IVAL(params,4);
2268
2269 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2270 (unsigned int)security_info_sent ));
2271
2272 if (data_count == 0) {
2273 return ERROR_DOS(ERRDOS, ERRnoaccess);
2274 }
2275
2276 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2277 return ERROR_NT(nt_status);
2278 }
2279
2280 done:
2281
2282 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2283 return -1;
2284 }
2285
2286 /****************************************************************************
2287 Reply to NT IOCTL
2288 ****************************************************************************/
2289
2290 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2291 uint16 **ppsetup, uint32 setup_count,
2292 char **ppparams, uint32 parameter_count,
2293 char **ppdata, uint32 data_count, uint32 max_data_count)
2294 {
2295 uint32 function;
2296 uint16 fidnum;
2297 files_struct *fsp;
2298 uint8 isFSctl;
2299 uint8 compfilter;
2300 static BOOL logged_message;
2301 char *pdata = *ppdata;
2302
2303 if (setup_count != 8) {
2304 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2305 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2306 }
2307
2308 function = IVAL(*ppsetup, 0);
2309 fidnum = SVAL(*ppsetup, 4);
2310 isFSctl = CVAL(*ppsetup, 6);
2311 compfilter = CVAL(*ppsetup, 7);
2312
2313 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2314 function, fidnum, isFSctl, compfilter));
2315
2316 fsp=file_fsp((char *)*ppsetup, 4);
2317 /* this check is done in each implemented function case for now
2318 because I don't want to break anything... --metze
2319 FSP_BELONGS_CONN(fsp,conn);*/
2320
2321 switch (function) {
2322 case FSCTL_SET_SPARSE:
2323 /* pretend this succeeded - tho strictly we should
2324 mark the file sparse (if the local fs supports it)
2325 so we can know if we need to pre-allocate or not */
2326
2327 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2328 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL,
2329 0);
2330 return -1;
2331
2332 case FSCTL_CREATE_OR_GET_OBJECT_ID:
2333 {
2334 unsigned char objid[16];
2335
2336 /* This should return the object-id on this file.
2337 * I think I'll make this be the inode+dev. JRA.
2338 */
2339
2340 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2341
2342 data_count = 64;
2343 pdata = nttrans_realloc(ppdata, data_count);
2344 if (pdata == NULL) {
2345 return ERROR_NT(NT_STATUS_NO_MEMORY);
2346 }
2347 push_file_id_16(pdata, &fsp->file_id);
2348 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2349 push_file_id_16(pdata+32, &fsp->file_id);
2350 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2351 return -1;
2352 }
2353
2354 case FSCTL_GET_REPARSE_POINT:
2355 /* pretend this fail - my winXP does it like this
2356 * --metze
2357 */
2358
2359 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2360 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2361
2362 case FSCTL_SET_REPARSE_POINT:
2363 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2364 * --metze
2365 */
2366
2367 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2368 return ERROR_NT(NT_STATUS_NOT_A_REPARSE_POINT);
2369
2370 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2371 {
2372 /*
2373 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2374 * and return their volume names. If max_data_count is 16, then it is just
2375 * asking for the number of volumes and length of the combined names.
2376 *
2377 * pdata is the data allocated by our caller, but that uses
2378 * total_data_count (which is 0 in our case) rather than max_data_count.
2379 * Allocate the correct amount and return the pointer to let
2380 * it be deallocated when we return.
2381 */
2382 SHADOW_COPY_DATA *shadow_data = NULL;
2383 TALLOC_CTX *shadow_mem_ctx = NULL;
2384 BOOL labels = False;
2385 uint32 labels_data_count = 0;
2386 uint32 i;
2387 char *cur_pdata;
2388
2389 FSP_BELONGS_CONN(fsp,conn);
2390
2391 if (max_data_count < 16) {
2392 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2393 max_data_count));
2394 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2395 }
2396
2397 if (max_data_count > 16) {
2398 labels = True;
2399 }
2400
2401 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2402 if (shadow_mem_ctx == NULL) {
2403 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2404 return ERROR_NT(NT_STATUS_NO_MEMORY);
2405 }
2406
2407 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2408 if (shadow_data == NULL) {
2409 DEBUG(0,("TALLOC_ZERO() failed!\n"));
2410 talloc_destroy(shadow_mem_ctx);
2411 return ERROR_NT(NT_STATUS_NO_MEMORY);
2412 }
2413
2414 shadow_data->mem_ctx = shadow_mem_ctx;
2415
2416 /*
2417 * Call the VFS routine to actually do the work.
2418 */
2419 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2420 talloc_destroy(shadow_data->mem_ctx);
2421 if (errno == ENOSYS) {
2422 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2423 conn->connectpath));
2424 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2425 } else {
2426 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2427 conn->connectpath));
2428 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2429 }
2430 }
2431
2432 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2433
2434 if (!labels) {
2435 data_count = 16;
2436 } else {
2437 data_count = 12+labels_data_count+4;
2438 }
2439
2440 if (max_data_count<data_count) {
2441 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2442 max_data_count,data_count));
2443 talloc_destroy(shadow_data->mem_ctx);
2444 return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2445 }
2446
2447 pdata = nttrans_realloc(ppdata, data_count);
2448 if (pdata == NULL) {
2449 talloc_destroy(shadow_data->mem_ctx);
2450 return ERROR_NT(NT_STATUS_NO_MEMORY);
2451 }
2452
2453 cur_pdata = pdata;
2454
2455 /* num_volumes 4 bytes */
2456 SIVAL(pdata,0,shadow_data->num_volumes);
2457
2458 if (labels) {
2459 /* num_labels 4 bytes */
2460 SIVAL(pdata,4,shadow_data->num_volumes);
2461 }
2462
2463 /* needed_data_count 4 bytes */
2464 SIVAL(pdata,8,labels_data_count);
2465
2466 cur_pdata+=12;
2467
2468 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2469 shadow_data->num_volumes,fsp->fsp_name));
2470 if (labels && shadow_data->labels) {
2471 for (i=0;i<shadow_data->num_volumes;i++) {
2472 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2473 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2474 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2475 }
2476 }
2477
2478 talloc_destroy(shadow_data->mem_ctx);
2479
2480 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2481 pdata, data_count);
2482
2483 return -1;
2484 }
2485
2486 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2487 {
2488 /* pretend this succeeded -
2489 *
2490 * we have to send back a list with all files owned by this SID
2491 *
2492 * but I have to check that --metze
2493 */
2494 DOM_SID sid;
2495 uid_t uid;
2496 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2497
2498 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2499
2500 FSP_BELONGS_CONN(fsp,conn);
2501
2502 /* unknown 4 bytes: this is not the length of the sid :-( */
2503 /*unknown = IVAL(pdata,0);*/
2504
2505 sid_parse(pdata+4,sid_len,&sid);
2506 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2507
2508 if (!sid_to_uid(&sid, &uid)) {
2509 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2510 sid_string_static(&sid),(unsigned long)sid_len));
2511 uid = (-1);
2512 }
2513
2514 /* we can take a look at the find source :-)
2515 *
2516 * find ./ -uid $uid -name '*' is what we need here
2517 *
2518 *
2519 * and send 4bytes len and then NULL terminated unicode strings
2520 * for each file
2521 *
2522 * but I don't know how to deal with the paged results
2523 * (maybe we can hang the result anywhere in the fsp struct)
2524 *
2525 * we don't send all files at once
2526 * and at the next we should *not* start from the beginning,
2527 * so we have to cache the result
2528 *
2529 * --metze
2530 */
2531
2532 /* this works for now... */
2533 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0,
2534 NULL, 0);
2535 return -1;
2536 }
2537 default:
2538 if (!logged_message) {
2539 logged_message = True; /* Only print this once... */
2540 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2541 function));
2542 }
2543 }
2544
2545 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2546 }
2547
2548
2549 #ifdef HAVE_SYS_QUOTAS
2550 /****************************************************************************
2551 Reply to get user quota
2552 ****************************************************************************/
2553
2554 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2555 uint16 **ppsetup, uint32 setup_count,
2556 char **ppparams, uint32 parameter_count,
2557 char **ppdata, uint32 data_count, uint32 max_data_count)
2558 {
2559 NTSTATUS nt_status = NT_STATUS_OK;
2560 char *params = *ppparams;
2561 char *pdata = *ppdata;
2562 char *entry;
2563 int data_len=0,param_len=0;
2564 int qt_len=0;
2565 int entry_len = 0;
2566 files_struct *fsp = NULL;
2567 uint16 level = 0;
2568 size_t sid_len;
2569 DOM_SID sid;
2570 BOOL start_enum = True;
2571 SMB_NTQUOTA_STRUCT qt;
2572 SMB_NTQUOTA_LIST *tmp_list;
2573 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2574
2575 ZERO_STRUCT(qt);
2576
2577 /* access check */
2578 if (current_user.ut.uid != 0) {
2579 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2580 lp_servicename(SNUM(conn)),conn->user));
2581 return ERROR_DOS(ERRDOS,ERRnoaccess);
2582 }
2583
2584 /*
2585 * Ensure minimum number of parameters sent.
2586 */
2587
2588 if (parameter_count < 4) {
2589 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2590 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2591 }
2592
2593 /* maybe we can check the quota_fnum */
2594 fsp = file_fsp(params,0);
2595 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2596 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2597 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2598 }
2599
2600 /* the NULL pointer checking for fsp->fake_file_handle->pd
2601 * is done by CHECK_NTQUOTA_HANDLE_OK()
2602 */
2603 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2604
2605 level = SVAL(params,2);
2606
2607 /* unknown 12 bytes leading in params */
2608
2609 switch (level) {
2610 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2611 /* seems that we should continue with the enum here --metze */
2612
2613 if (qt_handle->quota_list!=NULL &&
2614 qt_handle->tmp_list==NULL) {
2615
2616 /* free the list */
2617 free_ntquota_list(&(qt_handle->quota_list));
2618
2619 /* Realloc the size of parameters and data we will return */
2620 param_len = 4;
2621 params = nttrans_realloc(ppparams, param_len);
2622 if(params == NULL) {
2623 return ERROR_DOS(ERRDOS,ERRnomem);
2624 }
2625
2626 data_len = 0;
2627 SIVAL(params,0,data_len);
2628
2629 break;
2630 }
2631
2632 start_enum = False;
2633
2634 case TRANSACT_GET_USER_QUOTA_LIST_START:
2635
2636 if (qt_handle->quota_list==NULL &&
2637 qt_handle->tmp_list==NULL) {
2638 start_enum = True;
2639 }
2640
2641 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2642 return ERROR_DOS(ERRSRV,ERRerror);
2643
2644 /* Realloc the size of parameters and data we will return */
2645 param_len = 4;
2646 params = nttrans_realloc(ppparams, param_len);
2647 if(params == NULL) {
2648 return ERROR_DOS(ERRDOS,ERRnomem);
2649 }
2650
2651 /* we should not trust the value in max_data_count*/
2652 max_data_count = MIN(max_data_count,2048);
2653
2654 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2655 if(pdata == NULL) {
2656 return ERROR_DOS(ERRDOS,ERRnomem);
2657 }
2658
2659 entry = pdata;
2660
2661 /* set params Size of returned Quota Data 4 bytes*/
2662 /* but set it later when we know it */
2663
2664 /* for each entry push the data */
2665
2666 if (start_enum) {
2667 qt_handle->tmp_list = qt_handle->quota_list;
2668 }
2669
2670 tmp_list = qt_handle->tmp_list;
2671
2672 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2673 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2674
2675 sid_len = sid_size(&tmp_list->quotas->sid);
2676 entry_len = 40 + sid_len;
2677
2678 /* nextoffset entry 4 bytes */
2679 SIVAL(entry,0,entry_len);
2680
2681 /* then the len of the SID 4 bytes */
2682 SIVAL(entry,4,sid_len);
2683
2684 /* unknown data 8 bytes SMB_BIG_UINT */
2685 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2686
2687 /* the used disk space 8 bytes SMB_BIG_UINT */
2688 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2689
2690 /* the soft quotas 8 bytes SMB_BIG_UINT */
2691 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2692
2693 /* the hard quotas 8 bytes SMB_BIG_UINT */
2694 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2695
2696 /* and now the SID */
2697 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2698 }
2699
2700 qt_handle->tmp_list = tmp_list;
2701
2702 /* overwrite the offset of the last entry */
2703 SIVAL(entry-entry_len,0,0);
2704
2705 data_len = 4+qt_len;
2706 /* overwrite the params quota_data_len */
2707 SIVAL(params,0,data_len);
2708
2709 break;
2710
2711 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2712
2713 /* unknown 4 bytes IVAL(pdata,0) */
2714
2715 if (data_count < 8) {
2716 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2717 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2718 }
2719
2720 sid_len = IVAL(pdata,4);
2721 /* Ensure this is less than 1mb. */
2722 if (sid_len > (1024*1024)) {
2723 return ERROR_DOS(ERRDOS,ERRnomem);
2724 }
2725
2726 if (data_count < 8+sid_len) {
2727 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2728 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2729 }
2730
2731 data_len = 4+40+sid_len;
2732
2733 if (max_data_count < data_len) {
2734 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2735 max_data_count, data_len));
2736 param_len = 4;
2737 SIVAL(params,0,data_len);
2738 data_len = 0;
2739 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2740 break;
2741 }
2742
2743 sid_parse(pdata+8,sid_len,&sid);
2744
2745 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2746 ZERO_STRUCT(qt);
2747 /*
2748 * we have to return zero's in all fields
2749 * instead of returning an error here
2750 * --metze
2751 */
2752 }
2753
2754 /* Realloc the size of parameters and data we will return */
2755 param_len = 4;
2756 params = nttrans_realloc(ppparams, param_len);
2757 if(params == NULL) {
2758 return ERROR_DOS(ERRDOS,ERRnomem);
2759 }
2760
2761 pdata = nttrans_realloc(ppdata, data_len);
2762 if(pdata == NULL) {
2763 return ERROR_DOS(ERRDOS,ERRnomem);
2764 }
2765
2766 entry = pdata;
2767
2768 /* set params Size of returned Quota Data 4 bytes*/
2769 SIVAL(params,0,data_len);
2770
2771 /* nextoffset entry 4 bytes */
2772 SIVAL(entry,0,0);
2773
2774 /* then the len of the SID 4 bytes */
2775 SIVAL(entry,4,sid_len);
2776
2777 /* unknown data 8 bytes SMB_BIG_UINT */
2778 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2779
2780 /* the used disk space 8 bytes SMB_BIG_UINT */
2781 SBIG_UINT(entry,16,qt.usedspace);
2782
2783 /* the soft quotas 8 bytes SMB_BIG_UINT */
2784 SBIG_UINT(entry,24,qt.softlim);
2785
2786 /* the hard quotas 8 bytes SMB_BIG_UINT */
2787 SBIG_UINT(entry,32,qt.hardlim);
2788
2789 /* and now the SID */
2790 sid_linearize(entry+40, sid_len, &sid);
2791
2792 break;
2793
2794 default:
2795 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2796 return ERROR_DOS(ERRSRV,ERRerror);
2797 break;
2798 }
2799
2800 send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len,
2801 pdata, data_len);
2802
2803 return -1;
2804 }
2805
2806 /****************************************************************************
2807 Reply to set user quota
2808 ****************************************************************************/
2809
2810 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2811 uint16 **ppsetup, uint32 setup_count,
2812 char **ppparams, uint32 parameter_count,
2813 char **ppdata, uint32 data_count, uint32 max_data_count)
2814 {
2815 char *params = *ppparams;
2816 char *pdata = *ppdata;
2817 int data_len=0,param_len=0;
2818 SMB_NTQUOTA_STRUCT qt;
2819 size_t sid_len;
2820 DOM_SID sid;
2821 files_struct *fsp = NULL;
2822
2823 ZERO_STRUCT(qt);
2824
2825 /* access check */
2826 if (current_user.ut.uid != 0) {
2827 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2828 lp_servicename(SNUM(conn)),conn->user));
2829 return ERROR_DOS(ERRDOS,ERRnoaccess);
2830 }
2831
2832 /*
2833 * Ensure minimum number of parameters sent.
2834 */
2835
2836 if (parameter_count < 2) {
2837 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2838 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2839 }
2840
2841 /* maybe we can check the quota_fnum */
2842 fsp = file_fsp(params,0);
2843 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2844 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2845 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2846 }
2847
2848 if (data_count < 40) {
2849 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2850 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2851 }
2852
2853 /* offset to next quota record.
2854 * 4 bytes IVAL(pdata,0)
2855 * unused here...
2856 */
2857
2858 /* sid len */
2859 sid_len = IVAL(pdata,4);
2860
2861 if (data_count < 40+sid_len) {
2862 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2863 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2864 }
2865
2866 /* unknown 8 bytes in pdata
2867 * maybe its the change time in NTTIME
2868 */
2869
2870 /* the used space 8 bytes (SMB_BIG_UINT)*/
2871 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2872 #ifdef LARGE_SMB_OFF_T
2873 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2874 #else /* LARGE_SMB_OFF_T */
2875 if ((IVAL(pdata,20) != 0)&&
2876 ((qt.usedspace != 0xFFFFFFFF)||
2877 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2878 /* more than 32 bits? */
2879 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2880 }
2881 #endif /* LARGE_SMB_OFF_T */
2882
2883 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2884 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2885 #ifdef LARGE_SMB_OFF_T
2886 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2887 #else /* LARGE_SMB_OFF_T */
2888 if ((IVAL(pdata,28) != 0)&&
2889 ((qt.softlim != 0xFFFFFFFF)||
2890 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2891 /* more than 32 bits? */
2892 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2893 }
2894 #endif /* LARGE_SMB_OFF_T */
2895
2896 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2897 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2898 #ifdef LARGE_SMB_OFF_T
2899 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2900 #else /* LARGE_SMB_OFF_T */
2901 if ((IVAL(pdata,36) != 0)&&
2902 ((qt.hardlim != 0xFFFFFFFF)||
2903 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2904 /* more than 32 bits? */
2905 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2906 }
2907 #endif /* LARGE_SMB_OFF_T */
2908
2909 sid_parse(pdata+40,sid_len,&sid);
2910 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2911
2912 /* 44 unknown bytes left... */
2913
2914 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2915 return ERROR_DOS(ERRSRV,ERRerror);
2916 }
2917
2918 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len,
2919 pdata, data_len);
2920
2921 return -1;
2922 }
2923 #endif /* HAVE_SYS_QUOTAS */
2924
2925 static int handle_nttrans(connection_struct *conn,
2926 struct trans_state *state,
2927 char *inbuf, char *outbuf, int size, int bufsize)
2928 {
2929 int outsize;
2930
2931 if (Protocol >= PROTOCOL_NT1) {
2932 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2933 }
2934
2935 /* Now we must call the relevant NT_TRANS function */
2936 switch(state->call) {
2937 case NT_TRANSACT_CREATE:
2938 {
2939 START_PROFILE(NT_transact_create);
2940 outsize = call_nt_transact_create(conn, inbuf, outbuf,
2941 size, bufsize,
2942 &state->setup, state->setup_count,
2943 &state->param, state->total_param,
2944 &state->data, state->total_data,
2945 state->max_data_return);
2946 END_PROFILE(NT_transact_create);
2947 break;
2948 }
2949
2950 case NT_TRANSACT_IOCTL:
2951 {
2952 START_PROFILE(NT_transact_ioctl);
2953 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2954 size, bufsize,
2955 &state->setup, state->setup_count,
2956 &state->param, state->total_param,
2957 &state->data, state->total_data, state->max_data_return);
2958 END_PROFILE(NT_transact_ioctl);
2959 break;
2960 }
2961
2962 case NT_TRANSACT_SET_SECURITY_DESC:
2963 {
2964 START_PROFILE(NT_transact_set_security_desc);
2965 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2966 size, bufsize,
2967 &state->setup, state->setup_count,
2968 &state->param, state->total_param,
2969 &state->data, state->total_data, state->max_data_return);
2970 END_PROFILE(NT_transact_set_security_desc);
2971 break;
2972 }
2973
2974 case NT_TRANSACT_NOTIFY_CHANGE:
2975 {
2976 START_PROFILE(NT_transact_notify_change);
2977 outsize = call_nt_transact_notify_change(
2978 conn, inbuf, outbuf, size, bufsize,
2979 &state->setup, state->setup_count,
2980 &state->param, state->total_param,
2981 &state->data, state->total_data,
2982 state->max_data_return,
2983 state->max_param_return);
2984 END_PROFILE(NT_transact_notify_change);
2985 break;
2986 }
2987
2988 case NT_TRANSACT_RENAME:
2989 {
2990 START_PROFILE(NT_transact_rename);
2991 outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2992 size, bufsize,
2993 &state->setup, state->setup_count,
2994 &state->param, state->total_param,
2995 &state->data, state->total_data, state->max_data_return);
2996 END_PROFILE(NT_transact_rename);
2997 break;
2998 }
2999
3000 case NT_TRANSACT_QUERY_SECURITY_DESC:
3001 {
3002 START_PROFILE(NT_transact_query_security_desc);
3003 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
3004 size, bufsize,
3005 &state->setup, state->setup_count,
3006 &state->param, state->total_param,
3007 &state->data, state->total_data, state->max_data_return);
3008 END_PROFILE(NT_transact_query_security_desc);
3009 break;
3010 }
3011
3012 #ifdef HAVE_SYS_QUOTAS
3013 case NT_TRANSACT_GET_USER_QUOTA:
3014 {
3015 START_PROFILE(NT_transact_get_user_quota);
3016 outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
3017 size, bufsize,
3018 &state->setup, state->setup_count,
3019 &state->param, state->total_param,
3020 &state->data, state->total_data, state->max_data_return);
3021 END_PROFILE(NT_transact_get_user_quota);
3022 break;
3023 }
3024
3025 case NT_TRANSACT_SET_USER_QUOTA:
3026 {
3027 START_PROFILE(NT_transact_set_user_quota);
3028 outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
3029 size, bufsize,
3030 &state->setup, state->setup_count,
3031 &state->param, state->total_param,
3032 &state->data, state->total_data, state->max_data_return);
3033 END_PROFILE(NT_transact_set_user_quota);
3034 break;
3035 }
3036 #endif /* HAVE_SYS_QUOTAS */
3037
3038 default:
3039 /* Error in request */
3040 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
3041 state->call));
3042 return ERROR_DOS(ERRSRV,ERRerror);
3043 }
3044 return outsize;
3045 }
3046
3047 /****************************************************************************
3048 Reply to a SMBNTtrans.
3049 ****************************************************************************/
3050
3051 int reply_nttrans(connection_struct *conn,
3052 char *inbuf,char *outbuf,int size,int bufsize)
3053 {
3054 int outsize = 0;
3055 uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
3056 uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
3057 uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
3058 uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
3059
3060 uint16 function_code = SVAL( inbuf, smb_nt_Function);
3061 NTSTATUS result;
3062 struct trans_state *state;
3063
3064 START_PROFILE(SMBnttrans);
3065
3066 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3067 END_PROFILE(SMBnttrans);
3068 return ERROR_DOS(ERRSRV,ERRaccess);
3069 }
3070
3071 result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
3072 if (!NT_STATUS_IS_OK(result)) {
3073 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3074 END_PROFILE(SMBnttrans);
3075 return ERROR_NT(result);
3076 }
3077
3078 if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
3079 END_PROFILE(SMBnttrans);
3080 return ERROR_DOS(ERRSRV,ERRaccess);
3081 }
3082
3083 state->cmd = SMBnttrans;
3084
3085 state->mid = SVAL(inbuf,smb_mid);
3086 state->vuid = SVAL(inbuf,smb_uid);
3087 state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
3088 state->data = NULL;
3089 state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
3090 state->param = NULL;
3091 state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
3092 state->max_param_return = IVAL(inbuf,smb_nt_MaxParameterCount);
3093
3094 /* setup count is in *words* */
3095 state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
3096 state->setup = NULL;
3097 state->call = function_code;
3098
3099 /*
3100 * All nttrans messages we handle have smb_wct == 19 +
3101 * state->setup_count. Ensure this is so as a sanity check.
3102 */
3103
3104 if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
3105 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3106 CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
3107 goto bad_param;
3108 }
3109
3110 /* Don't allow more than 128mb for each value. */
3111 if ((state->total_data > (1024*1024*128)) ||
3112 (state->total_param > (1024*1024*128))) {
3113 END_PROFILE(SMBnttrans);
3114 return ERROR_DOS(ERRDOS,ERRnomem);
3115 }
3116
3117 if ((dscnt > state->total_data) || (pscnt > state->total_param))
3118 goto bad_param;
3119
3120 if (state->total_data) {
3121 /* Can't use talloc here, the core routines do realloc on the
3122 * params and data. */
3123 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3124 DEBUG(0,("reply_nttrans: data malloc fail for %u "
3125 "bytes !\n", (unsigned int)state->total_data));
3126 TALLOC_FREE(state);
3127 END_PROFILE(SMBnttrans);
3128 return(ERROR_DOS(ERRDOS,ERRnomem));
3129 }
3130 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
3131 goto bad_param;
3132 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
3133 (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
3134 goto bad_param;
3135
3136 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
3137 }
3138
3139 if (state->total_param) {
3140 /* Can't use talloc here, the core routines do realloc on the
3141 * params and data. */
3142 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3143 DEBUG(0,("reply_nttrans: param malloc fail for %u "
3144 "bytes !\n", (unsigned int)state->total_param));
3145 SAFE_FREE(state->data);
3146 TALLOC_FREE(state);
3147 END_PROFILE(SMBnttrans);
3148 return(ERROR_DOS(ERRDOS,ERRnomem));
3149 }
3150 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
3151 goto bad_param;
3152 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
3153 (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
3154 goto bad_param;
3155
3156 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
3157 }
3158
3159 state->received_data = dscnt;
3160 state->received_param = pscnt;
3161
3162 if(state->setup_count > 0) {
3163 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3164 state->setup_count));
3165 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3166 if (state->setup == NULL) {
3167 DEBUG(0,("reply_nttrans : Out of memory\n"));
3168 SAFE_FREE(state->data);
3169 SAFE_FREE(state->param);
3170 TALLOC_FREE(state);
3171 END_PROFILE(SMBnttrans);
3172 return ERROR_DOS(ERRDOS,ERRnomem);
3173 }
3174
3175 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
3176 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
3177 goto bad_param;
3178 }
3179 if (smb_nt_SetupStart + state->setup_count > size) {
3180 goto bad_param;
3181 }
3182
3183 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
3184 dump_data(10, (uint8 *)state->setup, state->setup_count);
3185 }
3186
3187 if ((state->received_data == state->total_data) &&
3188 (state->received_param == state->total_param)) {
3189 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3190 size, bufsize);
3191 SAFE_FREE(state->param);
3192 SAFE_FREE(state->data);
3193 TALLOC_FREE(state);
3194 END_PROFILE(SMBnttrans);
3195 return outsize;
3196 }
3197
3198 DLIST_ADD(conn->pending_trans, state);
3199
3200 /* We need to send an interim response then receive the rest
3201 of the parameter/data bytes */
3202 outsize = set_message(inbuf,outbuf,0,0,False);
3203 show_msg(outbuf);
3204 END_PROFILE(SMBnttrans);
3205 return outsize;
3206
3207 bad_param:
3208
3209 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3210 SAFE_FREE(state->data);
3211 SAFE_FREE(state->param);
3212 TALLOC_FREE(state);
3213 END_PROFILE(SMBnttrans);
3214 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3215 }
3216
3217 /****************************************************************************
3218 Reply to a SMBnttranss
3219 ****************************************************************************/
3220
3221 int reply_nttranss(connection_struct *conn, char *inbuf,char *outbuf,
3222 int size,int bufsize)
3223 {
3224 int outsize = 0;
3225 unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
3226 struct trans_state *state;
3227
3228 START_PROFILE(SMBnttranss);
3229
3230 show_msg(inbuf);
3231
3232 for (state = conn->pending_trans; state != NULL;
3233 state = state->next) {
3234 if (state->mid == SVAL(inbuf,smb_mid)) {
3235 break;
3236 }
3237 }
3238
3239 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3240 END_PROFILE(SMBnttranss);
3241 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3242 }
3243
3244 /* Revise state->total_param and state->total_data in case they have
3245 changed downwards */
3246 if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3247 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3248 }
3249 if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3250 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3251 }
3252
3253 pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3254 poff = IVAL(inbuf, smb_nts_ParameterOffset);
3255 pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3256
3257 dcnt = IVAL(inbuf, smb_nts_DataCount);
3258 ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3259 doff = IVAL(inbuf, smb_nts_DataOffset);
3260
3261 state->received_param += pcnt;
3262 state->received_data += dcnt;
3263
3264 if ((state->received_data > state->total_data) ||
3265 (state->received_param > state->total_param))
3266 goto bad_param;
3267
3268 if (pcnt) {
3269 if (pdisp+pcnt > state->total_param)
3270 goto bad_param;
3271 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3272 goto bad_param;
3273 if (pdisp > state->total_param)
3274 goto bad_param;
3275 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3276 (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3277 goto bad_param;
3278 if (state->param + pdisp < state->param)
3279 goto bad_param;
3280
3281 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3282 pcnt);
3283 }
3284
3285 if (dcnt) {
3286 if (ddisp+dcnt > state->total_data)
3287 goto bad_param;
3288 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3289 goto bad_param;
3290 if (ddisp > state->total_data)
3291 goto bad_param;
3292 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3293 (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3294 goto bad_param;
3295 if (state->data + ddisp < state->data)
3296 goto bad_param;
3297
3298 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3299 dcnt);
3300 }
3301
3302 if ((state->received_param < state->total_param) ||
3303 (state->received_data < state->total_data)) {
3304 END_PROFILE(SMBnttranss);
3305 return -1;
3306 }
3307
3308 /* construct_reply_common has done us the favor to pre-fill the
3309 * command field with SMBnttranss which is wrong :-)
3310 */
3311 SCVAL(outbuf,smb_com,SMBnttrans);
3312
3313 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3314 size, bufsize);
3315
3316 DLIST_REMOVE(conn->pending_trans, state);
3317 SAFE_FREE(state->data);
3318 SAFE_FREE(state->param);
3319 TALLOC_FREE(state);
3320
3321 if (outsize == 0) {
3322 END_PROFILE(SMBnttranss);
3323 return(ERROR_DOS(ERRSRV,ERRnosupport));
3324 }
3325
3326 END_PROFILE(SMBnttranss);
3327 return(outsize);
3328
3329 bad_param:
3330
3331 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3332 DLIST_REMOVE(conn->pending_trans, state);
3333 SAFE_FREE(state->data);
3334 SAFE_FREE(state->param);
3335 TALLOC_FREE(state);
3336 END_PROFILE(SMBnttranss);
3337 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3338 }
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