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r19001: Fix comment
[Samba/bb.git] / source / smbd / nttrans.c
blobd41125564c78a791008c0240b3822d97e25436c1
1 /*
2 Unix SMB/CIFS implementation.
3 SMB NT transaction handling
4 Copyright (C) Jeremy Allison 1994-1998
5 Copyright (C) Stefan (metze) Metzmacher 2003
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include "includes.h"
23
24 extern int max_send;
25 extern enum protocol_types Protocol;
26 extern int smb_read_error;
27 extern struct current_user current_user;
28
29 static const char *known_nt_pipes[] = {
30 "\\LANMAN",
31 "\\srvsvc",
32 "\\samr",
33 "\\wkssvc",
34 "\\NETLOGON",
35 "\\ntlsa",
36 "\\ntsvcs",
37 "\\lsass",
38 "\\lsarpc",
39 "\\winreg",
40 "\\initshutdown",
41 "\\spoolss",
42 "\\netdfs",
43 "\\rpcecho",
44 "\\svcctl",
45 "\\eventlog",
46 "\\unixinfo",
47 NULL
48 };
49
50 static char *nttrans_realloc(char **ptr, size_t size)
51 {
52 if (ptr==NULL) {
53 smb_panic("nttrans_realloc() called with NULL ptr\n");
54 }
55
56 *ptr = (char *)SMB_REALLOC(*ptr, size);
57 if(*ptr == NULL) {
58 return NULL;
59 }
60 memset(*ptr,'\0',size);
61 return *ptr;
62 }
63
64 /****************************************************************************
65 Send the required number of replies back.
66 We assume all fields other than the data fields are
67 set correctly for the type of call.
68 HACK ! Always assumes smb_setup field is zero.
69 ****************************************************************************/
70
71 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
72 int paramsize, char *pdata, int datasize)
73 {
74 int data_to_send = datasize;
75 int params_to_send = paramsize;
76 int useable_space;
77 char *pp = params;
78 char *pd = pdata;
79 int params_sent_thistime, data_sent_thistime, total_sent_thistime;
80 int alignment_offset = 3;
81 int data_alignment_offset = 0;
82
83 /*
84 * Initially set the wcnt area to be 18 - this is true for all
85 * transNT replies.
86 */
87
88 set_message(outbuf,18,0,True);
89
90 if (NT_STATUS_V(nt_error)) {
91 ERROR_NT(nt_error);
92 }
93
94 /*
95 * If there genuinely are no parameters or data to send just send
96 * the empty packet.
97 */
98
99 if(params_to_send == 0 && data_to_send == 0) {
100 show_msg(outbuf);
101 if (!send_smb(smbd_server_fd(),outbuf)) {
102 exit_server("send_nt_replies: send_smb failed.");
103 }
104 return 0;
105 }
106
107 /*
108 * When sending params and data ensure that both are nicely aligned.
109 * Only do this alignment when there is also data to send - else
110 * can cause NT redirector problems.
111 */
112
113 if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
114 data_alignment_offset = 4 - (params_to_send % 4);
115 }
116
117 /*
118 * Space is bufsize minus Netbios over TCP header minus SMB header.
119 * The alignment_offset is to align the param bytes on a four byte
120 * boundary (2 bytes for data len, one byte pad).
121 * NT needs this to work correctly.
122 */
123
124 useable_space = bufsize - ((smb_buf(outbuf)+
125 alignment_offset+data_alignment_offset) -
126 outbuf);
127
128 /*
129 * useable_space can never be more than max_send minus the
130 * alignment offset.
131 */
132
133 useable_space = MIN(useable_space,
134 max_send - (alignment_offset+data_alignment_offset));
135
136
137 while (params_to_send || data_to_send) {
138
139 /*
140 * Calculate whether we will totally or partially fill this packet.
141 */
142
143 total_sent_thistime = params_to_send + data_to_send +
144 alignment_offset + data_alignment_offset;
145
146 /*
147 * We can never send more than useable_space.
148 */
149
150 total_sent_thistime = MIN(total_sent_thistime, useable_space);
151
152 set_message(outbuf, 18, total_sent_thistime, True);
153
154 /*
155 * Set total params and data to be sent.
156 */
157
158 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
159 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
160
161 /*
162 * Calculate how many parameters and data we can fit into
163 * this packet. Parameters get precedence.
164 */
165
166 params_sent_thistime = MIN(params_to_send,useable_space);
167 data_sent_thistime = useable_space - params_sent_thistime;
168 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
169
170 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
171
172 if(params_sent_thistime == 0) {
173 SIVAL(outbuf,smb_ntr_ParameterOffset,0);
174 SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
175 } else {
176 /*
177 * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
178 * parameter bytes, however the first 4 bytes of outbuf are
179 * the Netbios over TCP header. Thus use smb_base() to subtract
180 * them from the calculation.
181 */
182
183 SIVAL(outbuf,smb_ntr_ParameterOffset,
184 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
185 /*
186 * Absolute displacement of param bytes sent in this packet.
187 */
188
189 SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
190 }
191
192 /*
193 * Deal with the data portion.
194 */
195
196 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
197
198 if(data_sent_thistime == 0) {
199 SIVAL(outbuf,smb_ntr_DataOffset,0);
200 SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
201 } else {
202 /*
203 * The offset of the data bytes is the offset of the
204 * parameter bytes plus the number of parameters being sent this time.
205 */
206
207 SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
208 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
209 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
210 }
211
212 /*
213 * Copy the param bytes into the packet.
214 */
215
216 if(params_sent_thistime) {
217 memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
218 }
219
220 /*
221 * Copy in the data bytes
222 */
223
224 if(data_sent_thistime) {
225 memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
226 data_alignment_offset,pd,data_sent_thistime);
227 }
228
229 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
230 params_sent_thistime, data_sent_thistime, useable_space));
231 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
232 params_to_send, data_to_send, paramsize, datasize));
233
234 /* Send the packet */
235 show_msg(outbuf);
236 if (!send_smb(smbd_server_fd(),outbuf)) {
237 exit_server("send_nt_replies: send_smb failed.");
238 }
239
240 pp += params_sent_thistime;
241 pd += data_sent_thistime;
242
243 params_to_send -= params_sent_thistime;
244 data_to_send -= data_sent_thistime;
245
246 /*
247 * Sanity check
248 */
249
250 if(params_to_send < 0 || data_to_send < 0) {
251 DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
252 params_to_send, data_to_send));
253 return -1;
254 }
255 }
256
257 return 0;
258 }
259
260 /****************************************************************************
261 Is it an NTFS stream name ?
262 ****************************************************************************/
263
264 BOOL is_ntfs_stream_name(const char *fname)
265 {
266 if (lp_posix_pathnames()) {
267 return False;
268 }
269 return (strchr_m(fname, ':') != NULL) ? True : False;
270 }
271
272 /****************************************************************************
273 Save case statics.
274 ****************************************************************************/
275
276 static BOOL saved_case_sensitive;
277 static BOOL saved_case_preserve;
278 static BOOL saved_short_case_preserve;
279
280 /****************************************************************************
281 Save case semantics.
282 ****************************************************************************/
283
284 static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
285 {
286 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
287 return;
288 }
289
290 saved_case_sensitive = conn->case_sensitive;
291 saved_case_preserve = conn->case_preserve;
292 saved_short_case_preserve = conn->short_case_preserve;
293
294 /* Set to POSIX. */
295 conn->case_sensitive = True;
296 conn->case_preserve = True;
297 conn->short_case_preserve = True;
298 }
299
300 /****************************************************************************
301 Restore case semantics.
302 ****************************************************************************/
303
304 static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
305 {
306 if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
307 return;
308 }
309
310 conn->case_sensitive = saved_case_sensitive;
311 conn->case_preserve = saved_case_preserve;
312 conn->short_case_preserve = saved_short_case_preserve;
313 }
314
315 /****************************************************************************
316 Reply to an NT create and X call on a pipe.
317 ****************************************************************************/
318
319 static int nt_open_pipe(char *fname, connection_struct *conn,
320 char *inbuf, char *outbuf, int *ppnum)
321 {
322 smb_np_struct *p = NULL;
323 uint16 vuid = SVAL(inbuf, smb_uid);
324 int i;
325
326 DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
327
328 /* See if it is one we want to handle. */
329
330 if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
331 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
332 }
333
334 for( i = 0; known_nt_pipes[i]; i++ ) {
335 if( strequal(fname,known_nt_pipes[i])) {
336 break;
337 }
338 }
339
340 if ( known_nt_pipes[i] == NULL ) {
341 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
342 }
343
344 /* Strip \\ off the name. */
345 fname++;
346
347 DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
348
349 p = open_rpc_pipe_p(fname, conn, vuid);
350 if (!p) {
351 return(ERROR_DOS(ERRSRV,ERRnofids));
352 }
353
354 /* TODO: Add pipe to db */
355
356 if ( !store_pipe_opendb( p ) ) {
357 DEBUG(3,("nt_open_pipe: failed to store %s pipe open.\n", fname));
358 }
359
360 *ppnum = p->pnum;
361 return 0;
362 }
363
364 /****************************************************************************
365 Reply to an NT create and X call for pipes.
366 ****************************************************************************/
367
368 static int do_ntcreate_pipe_open(connection_struct *conn,
369 char *inbuf,char *outbuf,int length,int bufsize)
370 {
371 pstring fname;
372 int ret;
373 int pnum = -1;
374 char *p = NULL;
375
376 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
377
378 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
379 return ret;
380 }
381
382 /*
383 * Deal with pipe return.
384 */
385
386 set_message(outbuf,34,0,True);
387
388 p = outbuf + smb_vwv2;
389 p++;
390 SSVAL(p,0,pnum);
391 p += 2;
392 SIVAL(p,0,FILE_WAS_OPENED);
393 p += 4;
394 p += 32;
395 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
396 p += 20;
397 /* File type. */
398 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
399 /* Device state. */
400 SSVAL(p,2, 0x5FF); /* ? */
401
402 DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
403
404 return chain_reply(inbuf,outbuf,length,bufsize);
405 }
406
407 /****************************************************************************
408 Reply to an NT create and X call for a quota file.
409 ****************************************************************************/
410
411 int reply_ntcreate_and_X_quota(connection_struct *conn,
412 char *inbuf,
413 char *outbuf,
414 int length,
415 int bufsize,
416 enum FAKE_FILE_TYPE fake_file_type,
417 const char *fname)
418 {
419 int result;
420 char *p;
421 uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
422 files_struct *fsp;
423 NTSTATUS status;
424
425 status = open_fake_file(conn, fake_file_type, fname, desired_access,
426 &fsp);
427
428 if (!NT_STATUS_IS_OK(status)) {
429 return ERROR_NT(status);
430 }
431
432 set_message(outbuf,34,0,True);
433
434 p = outbuf + smb_vwv2;
435
436 /* SCVAL(p,0,NO_OPLOCK_RETURN); */
437 p++;
438 SSVAL(p,0,fsp->fnum);
439
440 DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
441
442 result = chain_reply(inbuf,outbuf,length,bufsize);
443 return result;
444 }
445
446 /****************************************************************************
447 Reply to an NT create and X call.
448 ****************************************************************************/
449
450 int reply_ntcreate_and_X(connection_struct *conn,
451 char *inbuf,char *outbuf,int length,int bufsize)
452 {
453 int result;
454 pstring fname;
455 uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
456 uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
457 uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
458 uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
459 uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
460 uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
461 uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
462 /* Breakout the oplock request bits so we can set the
463 reply bits separately. */
464 int oplock_request = 0;
465 uint32 fattr=0;
466 SMB_OFF_T file_len = 0;
467 SMB_STRUCT_STAT sbuf;
468 int info = 0;
469 BOOL bad_path = False;
470 files_struct *fsp=NULL;
471 char *p = NULL;
472 struct timespec c_timespec;
473 struct timespec a_timespec;
474 struct timespec m_timespec;
475 BOOL extended_oplock_granted = False;
476 NTSTATUS status;
477
478 START_PROFILE(SMBntcreateX);
479
480 DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x \
481 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
482 create_options = 0x%x root_dir_fid = 0x%x\n",
483 (unsigned int)flags,
484 (unsigned int)access_mask,
485 (unsigned int)file_attributes,
486 (unsigned int)share_access,
487 (unsigned int)create_disposition,
488 (unsigned int)create_options,
489 (unsigned int)root_dir_fid ));
490
491 /* If it's an IPC, use the pipe handler. */
492
493 if (IS_IPC(conn)) {
494 if (lp_nt_pipe_support()) {
495 END_PROFILE(SMBntcreateX);
496 return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
497 } else {
498 END_PROFILE(SMBntcreateX);
499 return(ERROR_DOS(ERRDOS,ERRnoaccess));
500 }
501 }
502
503 if (create_options & FILE_OPEN_BY_FILE_ID) {
504 END_PROFILE(SMBntcreateX);
505 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
506 }
507
508 /*
509 * Get the file name.
510 */
511
512 if(root_dir_fid != 0) {
513 /*
514 * This filename is relative to a directory fid.
515 */
516 pstring rel_fname;
517 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
518 size_t dir_name_len;
519
520 if(!dir_fsp) {
521 END_PROFILE(SMBntcreateX);
522 return(ERROR_DOS(ERRDOS,ERRbadfid));
523 }
524
525 if(!dir_fsp->is_directory) {
526
527 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
528 if (!NT_STATUS_IS_OK(status)) {
529 END_PROFILE(SMBntcreateX);
530 return ERROR_NT(status);
531 }
532
533 /*
534 * Check to see if this is a mac fork of some kind.
535 */
536
537 if( is_ntfs_stream_name(fname)) {
538 END_PROFILE(SMBntcreateX);
539 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
540 }
541
542 /*
543 we need to handle the case when we get a
544 relative open relative to a file and the
545 pathname is blank - this is a reopen!
546 (hint from demyn plantenberg)
547 */
548
549 END_PROFILE(SMBntcreateX);
550 return(ERROR_DOS(ERRDOS,ERRbadfid));
551 }
552
553 /*
554 * Copy in the base directory name.
555 */
556
557 pstrcpy( fname, dir_fsp->fsp_name );
558 dir_name_len = strlen(fname);
559
560 /*
561 * Ensure it ends in a '\'.
562 */
563
564 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
565 pstrcat(fname, "/");
566 dir_name_len++;
567 }
568
569 srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
570 if (!NT_STATUS_IS_OK(status)) {
571 END_PROFILE(SMBntcreateX);
572 return ERROR_NT(status);
573 }
574 pstrcat(fname, rel_fname);
575 } else {
576 srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
577 if (!NT_STATUS_IS_OK(status)) {
578 END_PROFILE(SMBntcreateX);
579 return ERROR_NT(status);
580 }
581
582 /*
583 * Check to see if this is a mac fork of some kind.
584 */
585
586 if( is_ntfs_stream_name(fname)) {
587 enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
588 if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
589 /*
590 * Here we go! support for changing the disk quotas --metze
591 *
592 * We need to fake up to open this MAGIC QUOTA file
593 * and return a valid FID.
594 *
595 * w2k close this file directly after openening
596 * xp also tries a QUERY_FILE_INFO on the file and then close it
597 */
598 result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
599 fake_file_type, fname);
600 END_PROFILE(SMBntcreateX);
601 return result;
602 } else {
603 END_PROFILE(SMBntcreateX);
604 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
605 }
606 }
607 }
608
609 /*
610 * Now contruct the smb_open_mode value from the filename,
611 * desired access and the share access.
612 */
613 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
614
615 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
616 if (oplock_request) {
617 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
618 }
619
620 /*
621 * Ordinary file or directory.
622 */
623
624 /*
625 * Check if POSIX semantics are wanted.
626 */
627
628 set_posix_case_semantics(conn, file_attributes);
629
630 unix_convert(fname,conn,0,&bad_path,&sbuf);
631
632 if (bad_path) {
633 restore_case_semantics(conn, file_attributes);
634 END_PROFILE(SMBntcreateX);
635 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
636 }
637 /* All file access must go through check_name() */
638 if (!check_name(fname,conn)) {
639 restore_case_semantics(conn, file_attributes);
640 END_PROFILE(SMBntcreateX);
641 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
642 }
643
644 #if 0
645 /* This is the correct thing to do (check every time) but can_delete is
646 expensive (it may have to read the parent directory permissions). So
647 for now we're not doing it unless we have a strong hint the client
648 is really going to delete this file. */
649 if (desired_access & DELETE_ACCESS) {
650 #else
651 /* Setting FILE_SHARE_DELETE is the hint. */
652 if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE)
653 && (access_mask & DELETE_ACCESS)) {
654 #endif
655 status = can_delete(conn, fname, file_attributes, bad_path, True);
656 /* We're only going to fail here if it's access denied, as that's the
657 only error we care about for "can we delete this ?" questions. */
658 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
659 NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
660 restore_case_semantics(conn, file_attributes);
661 END_PROFILE(SMBntcreateX);
662 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
663 }
664 }
665
666 /*
667 * If it's a request for a directory open, deal with it separately.
668 */
669
670 if(create_options & FILE_DIRECTORY_FILE) {
671 oplock_request = 0;
672
673 /* Can't open a temp directory. IFS kit test. */
674 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
675 END_PROFILE(SMBntcreateX);
676 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
677 }
678
679 status = open_directory(conn, fname, &sbuf,
680 access_mask,
681 share_access,
682 create_disposition,
683 create_options,
684 &info, &fsp);
685
686 restore_case_semantics(conn, file_attributes);
687
688 if(!NT_STATUS_IS_OK(status)) {
689 END_PROFILE(SMBntcreateX);
690 return ERROR_NT(status);
691 }
692 } else {
693 /*
694 * Ordinary file case.
695 */
696
697 /* NB. We have a potential bug here. If we
698 * cause an oplock break to ourselves, then we
699 * could end up processing filename related
700 * SMB requests whilst we await the oplock
701 * break response. As we may have changed the
702 * filename case semantics to be POSIX-like,
703 * this could mean a filename request could
704 * fail when it should succeed. This is a rare
705 * condition, but eventually we must arrange
706 * to restore the correct case semantics
707 * before issuing an oplock break request to
708 * our client. JRA. */
709
710 status = open_file_ntcreate(conn,fname,&sbuf,
711 access_mask,
712 share_access,
713 create_disposition,
714 create_options,
715 file_attributes,
716 oplock_request,
717 &info, &fsp);
718 if (!NT_STATUS_IS_OK(status)) {
719 /* We cheat here. There are two cases we
720 * care about. One is a directory rename,
721 * where the NT client will attempt to
722 * open the source directory for
723 * DELETE access. Note that when the
724 * NT client does this it does *not*
725 * set the directory bit in the
726 * request packet. This is translated
727 * into a read/write open
728 * request. POSIX states that any open
729 * for write request on a directory
730 * will generate an EISDIR error, so
731 * we can catch this here and open a
732 * pseudo handle that is flagged as a
733 * directory. The second is an open
734 * for a permissions read only, which
735 * we handle in the open_file_stat case. JRA.
736 */
737
738 if (NT_STATUS_EQUAL(status,
739 NT_STATUS_FILE_IS_A_DIRECTORY)) {
740
741 /*
742 * Fail the open if it was explicitly a non-directory file.
743 */
744
745 if (create_options & FILE_NON_DIRECTORY_FILE) {
746 restore_case_semantics(conn, file_attributes);
747 END_PROFILE(SMBntcreateX);
748 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
749 }
750
751 oplock_request = 0;
752 status = open_directory(conn, fname, &sbuf,
753 access_mask,
754 share_access,
755 create_disposition,
756 create_options,
757 &info, &fsp);
758
759 if(!NT_STATUS_IS_OK(status)) {
760 restore_case_semantics(conn, file_attributes);
761 END_PROFILE(SMBntcreateX);
762 return ERROR_NT(status);
763 }
764 } else {
765
766 restore_case_semantics(conn, file_attributes);
767 END_PROFILE(SMBntcreateX);
768 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
769 /* We have re-scheduled this call. */
770 return -1;
771 }
772 return ERROR_NT(status);
773 }
774 }
775 }
776
777 restore_case_semantics(conn, file_attributes);
778
779 file_len = sbuf.st_size;
780 fattr = dos_mode(conn,fname,&sbuf);
781 if(fattr == 0) {
782 fattr = FILE_ATTRIBUTE_NORMAL;
783 }
784 if (!fsp->is_directory && (fattr & aDIR)) {
785 close_file(fsp,ERROR_CLOSE);
786 END_PROFILE(SMBntcreateX);
787 return ERROR_DOS(ERRDOS,ERRnoaccess);
788 }
789
790 /* Save the requested allocation size. */
791 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
792 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
793 #ifdef LARGE_SMB_OFF_T
794 allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
795 #endif
796 if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
797 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
798 if (fsp->is_directory) {
799 close_file(fsp,ERROR_CLOSE);
800 END_PROFILE(SMBntcreateX);
801 /* Can't set allocation size on a directory. */
802 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
803 }
804 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
805 close_file(fsp,ERROR_CLOSE);
806 END_PROFILE(SMBntcreateX);
807 return ERROR_NT(NT_STATUS_DISK_FULL);
808 }
809 } else {
810 fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
811 }
812 }
813
814 /*
815 * If the caller set the extended oplock request bit
816 * and we granted one (by whatever means) - set the
817 * correct bit for extended oplock reply.
818 */
819
820 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
821 extended_oplock_granted = True;
822 }
823
824 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
825 extended_oplock_granted = True;
826 }
827
828 #if 0
829 /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
830 set_message(outbuf,42,0,True);
831 #else
832 set_message(outbuf,34,0,True);
833 #endif
834
835 p = outbuf + smb_vwv2;
836
837 /*
838 * Currently as we don't support level II oplocks we just report
839 * exclusive & batch here.
840 */
841
842 if (extended_oplock_granted) {
843 if (flags & REQUEST_BATCH_OPLOCK) {
844 SCVAL(p,0, BATCH_OPLOCK_RETURN);
845 } else {
846 SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
847 }
848 } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
849 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
850 } else {
851 SCVAL(p,0,NO_OPLOCK_RETURN);
852 }
853
854 p++;
855 SSVAL(p,0,fsp->fnum);
856 p += 2;
857 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
858 SIVAL(p,0,FILE_WAS_SUPERSEDED);
859 } else {
860 SIVAL(p,0,info);
861 }
862 p += 4;
863
864 /* Create time. */
865 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
866 a_timespec = get_atimespec(&sbuf);
867 m_timespec = get_mtimespec(&sbuf);
868
869 if (lp_dos_filetime_resolution(SNUM(conn))) {
870 dos_filetime_timespec(&c_timespec);
871 dos_filetime_timespec(&a_timespec);
872 dos_filetime_timespec(&m_timespec);
873 }
874
875 put_long_date_timespec(p, c_timespec);
876 p += 8;
877 put_long_date_timespec(p, a_timespec); /* access time */
878 p += 8;
879 put_long_date_timespec(p, m_timespec); /* write time */
880 p += 8;
881 put_long_date_timespec(p, m_timespec); /* change time */
882 p += 8;
883 SIVAL(p,0,fattr); /* File Attributes. */
884 p += 4;
885 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
886 p += 8;
887 SOFF_T(p,0,file_len);
888 p += 8;
889 if (flags & EXTENDED_RESPONSE_REQUIRED) {
890 SSVAL(p,2,0x7);
891 }
892 p += 4;
893 SCVAL(p,0,fsp->is_directory ? 1 : 0);
894
895 DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
896
897 result = chain_reply(inbuf,outbuf,length,bufsize);
898 END_PROFILE(SMBntcreateX);
899 return result;
900 }
901
902 /****************************************************************************
903 Reply to a NT_TRANSACT_CREATE call to open a pipe.
904 ****************************************************************************/
905
906 static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
907 uint16 **ppsetup, uint32 setup_count,
908 char **ppparams, uint32 parameter_count,
909 char **ppdata, uint32 data_count)
910 {
911 pstring fname;
912 char *params = *ppparams;
913 int ret;
914 int pnum = -1;
915 char *p = NULL;
916 NTSTATUS status;
917
918 /*
919 * Ensure minimum number of parameters sent.
920 */
921
922 if(parameter_count < 54) {
923 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
924 return ERROR_DOS(ERRDOS,ERRnoaccess);
925 }
926
927 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
928 if (!NT_STATUS_IS_OK(status)) {
929 return ERROR_NT(status);
930 }
931
932 if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
933 return ret;
934 }
935
936 /* Realloc the size of parameters and data we will return */
937 params = nttrans_realloc(ppparams, 69);
938 if(params == NULL) {
939 return ERROR_DOS(ERRDOS,ERRnomem);
940 }
941
942 p = params;
943 SCVAL(p,0,NO_OPLOCK_RETURN);
944
945 p += 2;
946 SSVAL(p,0,pnum);
947 p += 2;
948 SIVAL(p,0,FILE_WAS_OPENED);
949 p += 8;
950
951 p += 32;
952 SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
953 p += 20;
954 /* File type. */
955 SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
956 /* Device state. */
957 SSVAL(p,2, 0x5FF); /* ? */
958
959 DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
960
961 /* Send the required number of replies */
962 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
963
964 return -1;
965 }
966
967 /****************************************************************************
968 Internal fn to set security descriptors.
969 ****************************************************************************/
970
971 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
972 {
973 prs_struct pd;
974 SEC_DESC *psd = NULL;
975 TALLOC_CTX *mem_ctx;
976 BOOL ret;
977
978 if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
979 return NT_STATUS_OK;
980 }
981
982 /*
983 * Init the parse struct we will unmarshall from.
984 */
985
986 if ((mem_ctx = talloc_init("set_sd")) == NULL) {
987 DEBUG(0,("set_sd: talloc_init failed.\n"));
988 return NT_STATUS_NO_MEMORY;
989 }
990
991 prs_init(&pd, 0, mem_ctx, UNMARSHALL);
992
993 /*
994 * Setup the prs_struct to point at the memory we just
995 * allocated.
996 */
997
998 prs_give_memory( &pd, data, sd_len, False);
999
1000 /*
1001 * Finally, unmarshall from the data buffer.
1002 */
1003
1004 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1005 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1006 /*
1007 * Return access denied for want of a better error message..
1008 */
1009 talloc_destroy(mem_ctx);
1010 return NT_STATUS_NO_MEMORY;
1011 }
1012
1013 if (psd->owner_sid==0) {
1014 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1015 }
1016 if (psd->group_sid==0) {
1017 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1018 }
1019 if (psd->sacl==0) {
1020 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1021 }
1022 if (psd->dacl==0) {
1023 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1024 }
1025
1026 ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
1027
1028 if (!ret) {
1029 talloc_destroy(mem_ctx);
1030 return NT_STATUS_ACCESS_DENIED;
1031 }
1032
1033 talloc_destroy(mem_ctx);
1034
1035 return NT_STATUS_OK;
1036 }
1037
1038 /****************************************************************************
1039 Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
1040 ****************************************************************************/
1041
1042 static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
1043 {
1044 struct ea_list *ea_list_head = NULL;
1045 size_t offset = 0;
1046
1047 if (data_size < 4) {
1048 return NULL;
1049 }
1050
1051 while (offset + 4 <= data_size) {
1052 size_t next_offset = IVAL(pdata,offset);
1053 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
1054
1055 if (!eal) {
1056 return NULL;
1057 }
1058
1059 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
1060 if (next_offset == 0) {
1061 break;
1062 }
1063 offset += next_offset;
1064 }
1065
1066 return ea_list_head;
1067 }
1068
1069 /****************************************************************************
1070 Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1071 ****************************************************************************/
1072
1073 static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1074 uint16 **ppsetup, uint32 setup_count,
1075 char **ppparams, uint32 parameter_count,
1076 char **ppdata, uint32 data_count, uint32 max_data_count)
1077 {
1078 pstring fname;
1079 char *params = *ppparams;
1080 char *data = *ppdata;
1081 /* Breakout the oplock request bits so we can set the reply bits separately. */
1082 int oplock_request = 0;
1083 uint32 fattr=0;
1084 SMB_OFF_T file_len = 0;
1085 SMB_STRUCT_STAT sbuf;
1086 int info = 0;
1087 BOOL bad_path = False;
1088 files_struct *fsp = NULL;
1089 char *p = NULL;
1090 BOOL extended_oplock_granted = False;
1091 uint32 flags;
1092 uint32 access_mask;
1093 uint32 file_attributes;
1094 uint32 share_access;
1095 uint32 create_disposition;
1096 uint32 create_options;
1097 uint32 sd_len;
1098 uint32 ea_len;
1099 uint16 root_dir_fid;
1100 struct timespec c_timespec;
1101 struct timespec a_timespec;
1102 struct timespec m_timespec;
1103 struct ea_list *ea_list = NULL;
1104 TALLOC_CTX *ctx = NULL;
1105 char *pdata = NULL;
1106 NTSTATUS status;
1107
1108 DEBUG(5,("call_nt_transact_create\n"));
1109
1110 /*
1111 * If it's an IPC, use the pipe handler.
1112 */
1113
1114 if (IS_IPC(conn)) {
1115 if (lp_nt_pipe_support()) {
1116 return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
1117 bufsize,
1118 ppsetup, setup_count,
1119 ppparams, parameter_count,
1120 ppdata, data_count);
1121 } else {
1122 return ERROR_DOS(ERRDOS,ERRnoaccess);
1123 }
1124 }
1125
1126 /*
1127 * Ensure minimum number of parameters sent.
1128 */
1129
1130 if(parameter_count < 54) {
1131 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1132 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1133 }
1134
1135 flags = IVAL(params,0);
1136 access_mask = IVAL(params,8);
1137 file_attributes = IVAL(params,20);
1138 share_access = IVAL(params,24);
1139 create_disposition = IVAL(params,28);
1140 create_options = IVAL(params,32);
1141 sd_len = IVAL(params,36);
1142 ea_len = IVAL(params,40);
1143 root_dir_fid = (uint16)IVAL(params,4);
1144
1145 /* Ensure the data_len is correct for the sd and ea values given. */
1146 if ((ea_len + sd_len > data_count) ||
1147 (ea_len > data_count) || (sd_len > data_count) ||
1148 (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
1149 DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
1150 (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
1151 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1152 }
1153
1154 if (ea_len) {
1155 if (!lp_ea_support(SNUM(conn))) {
1156 DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
1157 (unsigned int)ea_len ));
1158 return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
1159 }
1160
1161 if (ea_len < 10) {
1162 DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
1163 (unsigned int)ea_len ));
1164 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1165 }
1166 }
1167
1168 if (create_options & FILE_OPEN_BY_FILE_ID) {
1169 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1170 }
1171
1172 /*
1173 * Get the file name.
1174 */
1175
1176 if(root_dir_fid != 0) {
1177 /*
1178 * This filename is relative to a directory fid.
1179 */
1180 files_struct *dir_fsp = file_fsp(params,4);
1181 size_t dir_name_len;
1182
1183 if(!dir_fsp) {
1184 return ERROR_DOS(ERRDOS,ERRbadfid);
1185 }
1186
1187 if(!dir_fsp->is_directory) {
1188 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1189 if (!NT_STATUS_IS_OK(status)) {
1190 return ERROR_NT(status);
1191 }
1192
1193 /*
1194 * Check to see if this is a mac fork of some kind.
1195 */
1196
1197 if( is_ntfs_stream_name(fname)) {
1198 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1199 }
1200
1201 return ERROR_DOS(ERRDOS,ERRbadfid);
1202 }
1203
1204 /*
1205 * Copy in the base directory name.
1206 */
1207
1208 pstrcpy( fname, dir_fsp->fsp_name );
1209 dir_name_len = strlen(fname);
1210
1211 /*
1212 * Ensure it ends in a '\'.
1213 */
1214
1215 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1216 pstrcat(fname, "/");
1217 dir_name_len++;
1218 }
1219
1220 {
1221 pstring tmpname;
1222 srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
1223 if (!NT_STATUS_IS_OK(status)) {
1224 return ERROR_NT(status);
1225 }
1226 pstrcat(fname, tmpname);
1227 }
1228 } else {
1229 srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
1230 if (!NT_STATUS_IS_OK(status)) {
1231 return ERROR_NT(status);
1232 }
1233
1234 /*
1235 * Check to see if this is a mac fork of some kind.
1236 */
1237
1238 if( is_ntfs_stream_name(fname)) {
1239 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1240 }
1241 }
1242
1243 oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1244 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1245
1246 /*
1247 * Check if POSIX semantics are wanted.
1248 */
1249
1250 set_posix_case_semantics(conn, file_attributes);
1251
1252 RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1253
1254 unix_convert(fname,conn,0,&bad_path,&sbuf);
1255 if (bad_path) {
1256 restore_case_semantics(conn, file_attributes);
1257 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1258 }
1259 /* All file access must go through check_name() */
1260 if (!check_name(fname,conn)) {
1261 restore_case_semantics(conn, file_attributes);
1262 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
1263 }
1264
1265 #if 0
1266 /* This is the correct thing to do (check every time) but can_delete is
1267 expensive (it may have to read the parent directory permissions). So
1268 for now we're not doing it unless we have a strong hint the client
1269 is really going to delete this file. */
1270 if (desired_access & DELETE_ACCESS) {
1271 #else
1272 /* Setting FILE_SHARE_DELETE is the hint. */
1273 if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE) && (access_mask & DELETE_ACCESS)) {
1274 #endif
1275 status = can_delete(conn, fname, file_attributes, bad_path, True);
1276 /* We're only going to fail here if it's access denied, as that's the
1277 only error we care about for "can we delete this ?" questions. */
1278 if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
1279 NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
1280 restore_case_semantics(conn, file_attributes);
1281 return ERROR_NT(status);
1282 }
1283 }
1284
1285 if (ea_len) {
1286 ctx = talloc_init("NTTRANS_CREATE_EA");
1287 if (!ctx) {
1288 talloc_destroy(ctx);
1289 restore_case_semantics(conn, file_attributes);
1290 return ERROR_NT(NT_STATUS_NO_MEMORY);
1291 }
1292
1293 pdata = data + sd_len;
1294
1295 /* We have already checked that ea_len <= data_count here. */
1296 ea_list = read_nttrans_ea_list(ctx, pdata, ea_len);
1297 if (!ea_list ) {
1298 talloc_destroy(ctx);
1299 restore_case_semantics(conn, file_attributes);
1300 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1301 }
1302 }
1303
1304 /*
1305 * If it's a request for a directory open, deal with it separately.
1306 */
1307
1308 if(create_options & FILE_DIRECTORY_FILE) {
1309
1310 /* Can't open a temp directory. IFS kit test. */
1311 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1312 talloc_destroy(ctx);
1313 restore_case_semantics(conn, file_attributes);
1314 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1315 }
1316
1317 oplock_request = 0;
1318
1319 /*
1320 * We will get a create directory here if the Win32
1321 * app specified a security descriptor in the
1322 * CreateDirectory() call.
1323 */
1324
1325 status = open_directory(conn, fname, &sbuf,
1326 access_mask,
1327 share_access,
1328 create_disposition,
1329 create_options,
1330 &info, &fsp);
1331 if(!NT_STATUS_IS_OK(status)) {
1332 talloc_destroy(ctx);
1333 restore_case_semantics(conn, file_attributes);
1334 return ERROR_NT(status);
1335 }
1336
1337 } else {
1338
1339 /*
1340 * Ordinary file case.
1341 */
1342
1343 status = open_file_ntcreate(conn,fname,&sbuf,
1344 access_mask,
1345 share_access,
1346 create_disposition,
1347 create_options,
1348 file_attributes,
1349 oplock_request,
1350 &info, &fsp);
1351
1352 if (!NT_STATUS_IS_OK(status)) {
1353 if (NT_STATUS_EQUAL(status,
1354 NT_STATUS_FILE_IS_A_DIRECTORY)) {
1355
1356 /*
1357 * Fail the open if it was explicitly a non-directory file.
1358 */
1359
1360 if (create_options & FILE_NON_DIRECTORY_FILE) {
1361 restore_case_semantics(conn, file_attributes);
1362 return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1363 }
1364
1365 oplock_request = 0;
1366 status = open_directory(conn, fname, &sbuf,
1367 access_mask,
1368 share_access,
1369 create_disposition,
1370 create_options,
1371 &info, &fsp);
1372 if(!NT_STATUS_IS_OK(status)) {
1373 talloc_destroy(ctx);
1374 restore_case_semantics(conn, file_attributes);
1375 return ERROR_NT(status);
1376 }
1377 } else {
1378 talloc_destroy(ctx);
1379 restore_case_semantics(conn, file_attributes);
1380 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1381 /* We have re-scheduled this call. */
1382 return -1;
1383 }
1384 return ERROR_NT(status);
1385 }
1386 }
1387 }
1388
1389 /*
1390 * According to the MS documentation, the only time the security
1391 * descriptor is applied to the opened file is iff we *created* the
1392 * file; an existing file stays the same.
1393 *
1394 * Also, it seems (from observation) that you can open the file with
1395 * any access mask but you can still write the sd. We need to override
1396 * the granted access before we call set_sd
1397 * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
1398 */
1399
1400 if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
1401 uint32 saved_access_mask = fsp->access_mask;
1402
1403 /* We have already checked that sd_len <= data_count here. */
1404
1405 fsp->access_mask = FILE_GENERIC_ALL;
1406
1407 status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
1408 if (!NT_STATUS_IS_OK(status)) {
1409 talloc_destroy(ctx);
1410 close_file(fsp,ERROR_CLOSE);
1411 restore_case_semantics(conn, file_attributes);
1412 return ERROR_NT(status);
1413 }
1414 fsp->access_mask = saved_access_mask;
1415 }
1416
1417 if (ea_len && (info == FILE_WAS_CREATED)) {
1418 status = set_ea(conn, fsp, fname, ea_list);
1419 talloc_destroy(ctx);
1420 if (!NT_STATUS_IS_OK(status)) {
1421 close_file(fsp,ERROR_CLOSE);
1422 restore_case_semantics(conn, file_attributes);
1423 return ERROR_NT(status);
1424 }
1425 }
1426
1427 restore_case_semantics(conn, file_attributes);
1428
1429 file_len = sbuf.st_size;
1430 fattr = dos_mode(conn,fname,&sbuf);
1431 if(fattr == 0) {
1432 fattr = FILE_ATTRIBUTE_NORMAL;
1433 }
1434 if (!fsp->is_directory && (fattr & aDIR)) {
1435 close_file(fsp,ERROR_CLOSE);
1436 return ERROR_DOS(ERRDOS,ERRnoaccess);
1437 }
1438
1439 /* Save the requested allocation size. */
1440 if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
1441 SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1442 #ifdef LARGE_SMB_OFF_T
1443 allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1444 #endif
1445 if (allocation_size && (allocation_size > file_len)) {
1446 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1447 if (fsp->is_directory) {
1448 close_file(fsp,ERROR_CLOSE);
1449 /* Can't set allocation size on a directory. */
1450 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1451 }
1452 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1453 close_file(fsp,ERROR_CLOSE);
1454 return ERROR_NT(NT_STATUS_DISK_FULL);
1455 }
1456 } else {
1457 fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
1458 }
1459 }
1460
1461 /*
1462 * If the caller set the extended oplock request bit
1463 * and we granted one (by whatever means) - set the
1464 * correct bit for extended oplock reply.
1465 */
1466
1467 if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1468 extended_oplock_granted = True;
1469 }
1470
1471 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1472 extended_oplock_granted = True;
1473 }
1474
1475 /* Realloc the size of parameters and data we will return */
1476 params = nttrans_realloc(ppparams, 69);
1477 if(params == NULL) {
1478 return ERROR_DOS(ERRDOS,ERRnomem);
1479 }
1480
1481 p = params;
1482 if (extended_oplock_granted) {
1483 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1484 } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
1485 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1486 } else {
1487 SCVAL(p,0,NO_OPLOCK_RETURN);
1488 }
1489
1490 p += 2;
1491 SSVAL(p,0,fsp->fnum);
1492 p += 2;
1493 if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
1494 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1495 } else {
1496 SIVAL(p,0,info);
1497 }
1498 p += 8;
1499
1500 /* Create time. */
1501 c_timespec = get_create_timespec(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1502 a_timespec = get_atimespec(&sbuf);
1503 m_timespec = get_mtimespec(&sbuf);
1504
1505 if (lp_dos_filetime_resolution(SNUM(conn))) {
1506 dos_filetime_timespec(&c_timespec);
1507 dos_filetime_timespec(&a_timespec);
1508 dos_filetime_timespec(&m_timespec);
1509 }
1510
1511 put_long_date_timespec(p, c_timespec); /* create time. */
1512 p += 8;
1513 put_long_date_timespec(p, a_timespec); /* access time */
1514 p += 8;
1515 put_long_date_timespec(p, m_timespec); /* write time */
1516 p += 8;
1517 put_long_date_timespec(p, m_timespec); /* change time */
1518 p += 8;
1519 SIVAL(p,0,fattr); /* File Attributes. */
1520 p += 4;
1521 SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
1522 p += 8;
1523 SOFF_T(p,0,file_len);
1524 p += 8;
1525 if (flags & EXTENDED_RESPONSE_REQUIRED) {
1526 SSVAL(p,2,0x7);
1527 }
1528 p += 4;
1529 SCVAL(p,0,fsp->is_directory ? 1 : 0);
1530
1531 DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1532
1533 /* Send the required number of replies */
1534 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1535
1536 return -1;
1537 }
1538
1539 /****************************************************************************
1540 Reply to a NT CANCEL request.
1541 conn POINTER CAN BE NULL HERE !
1542 ****************************************************************************/
1543
1544 int reply_ntcancel(connection_struct *conn,
1545 char *inbuf,char *outbuf,int length,int bufsize)
1546 {
1547 /*
1548 * Go through and cancel any pending change notifies.
1549 */
1550
1551 int mid = SVAL(inbuf,smb_mid);
1552 START_PROFILE(SMBntcancel);
1553 remove_pending_change_notify_requests_by_mid(mid);
1554 remove_pending_lock_requests_by_mid(mid);
1555 srv_cancel_sign_response(mid);
1556
1557 DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1558
1559 END_PROFILE(SMBntcancel);
1560 return(-1);
1561 }
1562
1563 /****************************************************************************
1564 Copy a file.
1565 ****************************************************************************/
1566
1567 static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
1568 {
1569 BOOL bad_path_oldname = False;
1570 BOOL bad_path_newname = False;
1571 SMB_STRUCT_STAT sbuf1, sbuf2;
1572 pstring last_component_oldname;
1573 pstring last_component_newname;
1574 files_struct *fsp1,*fsp2;
1575 uint32 fattr;
1576 int info;
1577 SMB_OFF_T ret=-1;
1578 int close_ret;
1579 NTSTATUS status = NT_STATUS_OK;
1580
1581 ZERO_STRUCT(sbuf1);
1582 ZERO_STRUCT(sbuf2);
1583
1584 /* No wildcards. */
1585 if (ms_has_wild(newname) || ms_has_wild(oldname)) {
1586 return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1587 }
1588
1589 if (!CAN_WRITE(conn))
1590 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1591
1592 unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
1593 if (bad_path_oldname) {
1594 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1595 }
1596
1597 /* Quick check for "." and ".." */
1598 if (last_component_oldname[0] == '.') {
1599 if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
1600 return NT_STATUS_OBJECT_NAME_INVALID;
1601 }
1602 }
1603
1604 /* Source must already exist. */
1605 if (!VALID_STAT(sbuf1)) {
1606 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1607 }
1608 if (!check_name(oldname,conn)) {
1609 return NT_STATUS_ACCESS_DENIED;
1610 }
1611
1612 /* Ensure attributes match. */
1613 fattr = dos_mode(conn,oldname,&sbuf1);
1614 if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1615 return NT_STATUS_NO_SUCH_FILE;
1616 }
1617
1618 unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
1619 if (bad_path_newname) {
1620 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1621 }
1622
1623 /* Quick check for "." and ".." */
1624 if (last_component_newname[0] == '.') {
1625 if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
1626 return NT_STATUS_OBJECT_NAME_INVALID;
1627 }
1628 }
1629
1630 /* Disallow if newname already exists. */
1631 if (VALID_STAT(sbuf2)) {
1632 return NT_STATUS_OBJECT_NAME_COLLISION;
1633 }
1634
1635 if (!check_name(newname,conn)) {
1636 return NT_STATUS_ACCESS_DENIED;
1637 }
1638
1639 /* No links from a directory. */
1640 if (S_ISDIR(sbuf1.st_mode)) {
1641 return NT_STATUS_FILE_IS_A_DIRECTORY;
1642 }
1643
1644 /* Ensure this is within the share. */
1645 if (!reduce_name(conn, oldname) != 0) {
1646 return NT_STATUS_ACCESS_DENIED;
1647 }
1648
1649 DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
1650
1651 status = open_file_ntcreate(conn,oldname,&sbuf1,
1652 FILE_READ_DATA, /* Read-only. */
1653 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1654 FILE_OPEN,
1655 0, /* No create options. */
1656 FILE_ATTRIBUTE_NORMAL,
1657 NO_OPLOCK,
1658 &info, &fsp1);
1659
1660 if (!NT_STATUS_IS_OK(status)) {
1661 return status;
1662 }
1663
1664 status = open_file_ntcreate(conn,newname,&sbuf2,
1665 FILE_WRITE_DATA, /* Read-only. */
1666 FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
1667 FILE_CREATE,
1668 0, /* No create options. */
1669 fattr,
1670 NO_OPLOCK,
1671 &info, &fsp2);
1672
1673 if (!NT_STATUS_IS_OK(status)) {
1674 close_file(fsp1,ERROR_CLOSE);
1675 return status;
1676 }
1677
1678 if (sbuf1.st_size) {
1679 ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1680 }
1681
1682 /*
1683 * As we are opening fsp1 read-only we only expect
1684 * an error on close on fsp2 if we are out of space.
1685 * Thus we don't look at the error return from the
1686 * close of fsp1.
1687 */
1688 close_file(fsp1,NORMAL_CLOSE);
1689
1690 /* Ensure the modtime is set correctly on the destination file. */
1691 fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
1692
1693 close_ret = close_file(fsp2,NORMAL_CLOSE);
1694
1695 /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1696 creates the file. This isn't the correct thing to do in the copy
1697 case. JRA */
1698 file_set_dosmode(conn, newname, fattr, &sbuf2, True);
1699
1700 if (ret < (SMB_OFF_T)sbuf1.st_size) {
1701 return NT_STATUS_DISK_FULL;
1702 }
1703
1704 if (close_ret != 0) {
1705 status = map_nt_error_from_unix(close_ret);
1706 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1707 nt_errstr(status), oldname, newname));
1708 }
1709 return status;
1710 }
1711
1712 /****************************************************************************
1713 Reply to a NT rename request.
1714 ****************************************************************************/
1715
1716 int reply_ntrename(connection_struct *conn,
1717 char *inbuf,char *outbuf,int length,int bufsize)
1718 {
1719 int outsize = 0;
1720 pstring oldname;
1721 pstring newname;
1722 char *p;
1723 NTSTATUS status;
1724 BOOL path_contains_wcard = False;
1725 uint32 attrs = SVAL(inbuf,smb_vwv0);
1726 uint16 rename_type = SVAL(inbuf,smb_vwv1);
1727
1728 START_PROFILE(SMBntrename);
1729
1730 p = smb_buf(inbuf) + 1;
1731 p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path_contains_wcard);
1732 if (!NT_STATUS_IS_OK(status)) {
1733 END_PROFILE(SMBntrename);
1734 return ERROR_NT(status);
1735 }
1736
1737 if( is_ntfs_stream_name(oldname)) {
1738 /* Can't rename a stream. */
1739 END_PROFILE(SMBntrename);
1740 return ERROR_NT(NT_STATUS_ACCESS_DENIED);
1741 }
1742
1743 if (ms_has_wild(oldname)) {
1744 END_PROFILE(SMBntrename);
1745 return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1746 }
1747
1748 p++;
1749 p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status);
1750 if (!NT_STATUS_IS_OK(status)) {
1751 END_PROFILE(SMBntrename);
1752 return ERROR_NT(status);
1753 }
1754
1755 RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
1756 RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
1757
1758 DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1759
1760 switch(rename_type) {
1761 case RENAME_FLAG_RENAME:
1762 status = rename_internals(conn, oldname, newname, attrs, False, path_contains_wcard);
1763 break;
1764 case RENAME_FLAG_HARD_LINK:
1765 status = hardlink_internals(conn, oldname, newname);
1766 break;
1767 case RENAME_FLAG_COPY:
1768 if (path_contains_wcard) {
1769 /* No wildcards. */
1770 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1771 } else {
1772 status = copy_internals(conn, oldname, newname, attrs);
1773 }
1774 break;
1775 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1776 status = NT_STATUS_INVALID_PARAMETER;
1777 break;
1778 default:
1779 status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1780 break;
1781 }
1782
1783 if (!NT_STATUS_IS_OK(status)) {
1784 END_PROFILE(SMBntrename);
1785 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1786 /* We have re-scheduled this call. */
1787 return -1;
1788 }
1789 return ERROR_NT(status);
1790 }
1791
1792 /*
1793 * Win2k needs a changenotify request response before it will
1794 * update after a rename..
1795 */
1796 process_pending_change_notify_queue((time_t)0);
1797 outsize = set_message(outbuf,0,0,False);
1798
1799 END_PROFILE(SMBntrename);
1800 return(outsize);
1801 }
1802
1803 /****************************************************************************
1804 Reply to a notify change - queue the request and
1805 don't allow a directory to be opened.
1806 ****************************************************************************/
1807
1808 static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1809 uint16 **ppsetup, uint32 setup_count,
1810 char **ppparams, uint32 parameter_count,
1811 char **ppdata, uint32 data_count, uint32 max_data_count)
1812 {
1813 uint16 *setup = *ppsetup;
1814 files_struct *fsp;
1815 uint32 flags;
1816
1817 if(setup_count < 6) {
1818 return ERROR_DOS(ERRDOS,ERRbadfunc);
1819 }
1820
1821 fsp = file_fsp((char *)setup,4);
1822 flags = IVAL(setup, 0);
1823
1824 DEBUG(3,("call_nt_transact_notify_change\n"));
1825
1826 if(!fsp) {
1827 return ERROR_DOS(ERRDOS,ERRbadfid);
1828 }
1829
1830 if((!fsp->is_directory) || (conn != fsp->conn)) {
1831 return ERROR_DOS(ERRDOS,ERRbadfid);
1832 }
1833
1834 if (!change_notify_set(inbuf, fsp, conn, flags)) {
1835 return(UNIXERROR(ERRDOS,ERRbadfid));
1836 }
1837
1838 DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1839 name = %s\n", fsp->fsp_name ));
1840
1841 return -1;
1842 }
1843
1844 /****************************************************************************
1845 Reply to an NT transact rename command.
1846 ****************************************************************************/
1847
1848 static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1849 uint16 **ppsetup, uint32 setup_count,
1850 char **ppparams, uint32 parameter_count,
1851 char **ppdata, uint32 data_count, uint32 max_data_count)
1852 {
1853 char *params = *ppparams;
1854 pstring new_name;
1855 files_struct *fsp = NULL;
1856 BOOL replace_if_exists = False;
1857 BOOL path_contains_wcard = False;
1858 NTSTATUS status;
1859
1860 if(parameter_count < 4) {
1861 return ERROR_DOS(ERRDOS,ERRbadfunc);
1862 }
1863
1864 fsp = file_fsp(params, 0);
1865 replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1866 CHECK_FSP(fsp, conn);
1867 srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, &path_contains_wcard);
1868 if (!NT_STATUS_IS_OK(status)) {
1869 return ERROR_NT(status);
1870 }
1871
1872 status = rename_internals(conn, fsp->fsp_name,
1873 new_name, 0, replace_if_exists, path_contains_wcard);
1874 if (!NT_STATUS_IS_OK(status))
1875 return ERROR_NT(status);
1876
1877 /*
1878 * Rename was successful.
1879 */
1880 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1881
1882 DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
1883 fsp->fsp_name, new_name));
1884
1885 /*
1886 * Win2k needs a changenotify request response before it will
1887 * update after a rename..
1888 */
1889
1890 process_pending_change_notify_queue((time_t)0);
1891
1892 return -1;
1893 }
1894
1895 /******************************************************************************
1896 Fake up a completely empty SD.
1897 *******************************************************************************/
1898
1899 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1900 {
1901 size_t sd_size;
1902
1903 *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1904 if(!*ppsd) {
1905 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1906 sd_size = 0;
1907 }
1908
1909 return sd_size;
1910 }
1911
1912 /****************************************************************************
1913 Reply to query a security descriptor.
1914 ****************************************************************************/
1915
1916 static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
1917 uint16 **ppsetup, uint32 setup_count,
1918 char **ppparams, uint32 parameter_count,
1919 char **ppdata, uint32 data_count, uint32 max_data_count)
1920 {
1921 char *params = *ppparams;
1922 char *data = *ppdata;
1923 prs_struct pd;
1924 SEC_DESC *psd = NULL;
1925 size_t sd_size;
1926 uint32 security_info_wanted;
1927 TALLOC_CTX *mem_ctx;
1928 files_struct *fsp = NULL;
1929
1930 if(parameter_count < 8) {
1931 return ERROR_DOS(ERRDOS,ERRbadfunc);
1932 }
1933
1934 fsp = file_fsp(params,0);
1935 if(!fsp) {
1936 return ERROR_DOS(ERRDOS,ERRbadfid);
1937 }
1938
1939 security_info_wanted = IVAL(params,4);
1940
1941 DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1942 (unsigned int)security_info_wanted ));
1943
1944 params = nttrans_realloc(ppparams, 4);
1945 if(params == NULL) {
1946 return ERROR_DOS(ERRDOS,ERRnomem);
1947 }
1948
1949 if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1950 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1951 return ERROR_DOS(ERRDOS,ERRnomem);
1952 }
1953
1954 /*
1955 * Get the permissions to return.
1956 */
1957
1958 if (!lp_nt_acl_support(SNUM(conn))) {
1959 sd_size = get_null_nt_acl(mem_ctx, &psd);
1960 } else {
1961 sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
1962 }
1963
1964 if (sd_size == 0) {
1965 talloc_destroy(mem_ctx);
1966 return(UNIXERROR(ERRDOS,ERRnoaccess));
1967 }
1968
1969 DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1970
1971 SIVAL(params,0,(uint32)sd_size);
1972
1973 if(max_data_count < sd_size) {
1974
1975 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1976 params, 4, *ppdata, 0);
1977 talloc_destroy(mem_ctx);
1978 return -1;
1979 }
1980
1981 /*
1982 * Allocate the data we will point this at.
1983 */
1984
1985 data = nttrans_realloc(ppdata, sd_size);
1986 if(data == NULL) {
1987 talloc_destroy(mem_ctx);
1988 return ERROR_DOS(ERRDOS,ERRnomem);
1989 }
1990
1991 /*
1992 * Init the parse struct we will marshall into.
1993 */
1994
1995 prs_init(&pd, 0, mem_ctx, MARSHALL);
1996
1997 /*
1998 * Setup the prs_struct to point at the memory we just
1999 * allocated.
2000 */
2001
2002 prs_give_memory( &pd, data, (uint32)sd_size, False);
2003
2004 /*
2005 * Finally, linearize into the outgoing buffer.
2006 */
2007
2008 if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
2009 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
2010 security descriptor.\n"));
2011 /*
2012 * Return access denied for want of a better error message..
2013 */
2014 talloc_destroy(mem_ctx);
2015 return(UNIXERROR(ERRDOS,ERRnoaccess));
2016 }
2017
2018 /*
2019 * Now we can delete the security descriptor.
2020 */
2021
2022 talloc_destroy(mem_ctx);
2023
2024 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
2025 return -1;
2026 }
2027
2028 /****************************************************************************
2029 Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2030 ****************************************************************************/
2031
2032 static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2033 uint16 **ppsetup, uint32 setup_count,
2034 char **ppparams, uint32 parameter_count,
2035 char **ppdata, uint32 data_count, uint32 max_data_count)
2036 {
2037 char *params= *ppparams;
2038 char *data = *ppdata;
2039 files_struct *fsp = NULL;
2040 uint32 security_info_sent = 0;
2041 NTSTATUS nt_status;
2042
2043 if(parameter_count < 8) {
2044 return ERROR_DOS(ERRDOS,ERRbadfunc);
2045 }
2046
2047 if((fsp = file_fsp(params,0)) == NULL) {
2048 return ERROR_DOS(ERRDOS,ERRbadfid);
2049 }
2050
2051 if(!lp_nt_acl_support(SNUM(conn))) {
2052 goto done;
2053 }
2054
2055 security_info_sent = IVAL(params,4);
2056
2057 DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
2058 (unsigned int)security_info_sent ));
2059
2060 if (data_count == 0) {
2061 return ERROR_DOS(ERRDOS, ERRnoaccess);
2062 }
2063
2064 if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
2065 return ERROR_NT(nt_status);
2066 }
2067
2068 done:
2069
2070 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2071 return -1;
2072 }
2073
2074 /****************************************************************************
2075 Reply to NT IOCTL
2076 ****************************************************************************/
2077
2078 static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2079 uint16 **ppsetup, uint32 setup_count,
2080 char **ppparams, uint32 parameter_count,
2081 char **ppdata, uint32 data_count, uint32 max_data_count)
2082 {
2083 uint32 function;
2084 uint16 fidnum;
2085 files_struct *fsp;
2086 uint8 isFSctl;
2087 uint8 compfilter;
2088 static BOOL logged_message;
2089 char *pdata = *ppdata;
2090
2091 if (setup_count != 8) {
2092 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2093 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2094 }
2095
2096 function = IVAL(*ppsetup, 0);
2097 fidnum = SVAL(*ppsetup, 4);
2098 isFSctl = CVAL(*ppsetup, 6);
2099 compfilter = CVAL(*ppsetup, 7);
2100
2101 DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2102 function, fidnum, isFSctl, compfilter));
2103
2104 fsp=file_fsp((char *)*ppsetup, 4);
2105 /* this check is done in each implemented function case for now
2106 because I don't want to break anything... --metze
2107 FSP_BELONGS_CONN(fsp,conn);*/
2108
2109 switch (function) {
2110 case FSCTL_SET_SPARSE:
2111 /* pretend this succeeded - tho strictly we should
2112 mark the file sparse (if the local fs supports it)
2113 so we can know if we need to pre-allocate or not */
2114
2115 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2116 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2117 return -1;
2118
2119 case FSCTL_0x000900C0:
2120 /* pretend this succeeded - don't know what this really is
2121 but works ok like this --metze
2122 */
2123
2124 DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
2125 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2126 return -1;
2127
2128 case FSCTL_GET_REPARSE_POINT:
2129 /* pretend this fail - my winXP does it like this
2130 * --metze
2131 */
2132
2133 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2134 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2135 return -1;
2136
2137 case FSCTL_SET_REPARSE_POINT:
2138 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2139 * --metze
2140 */
2141
2142 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2143 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
2144 return -1;
2145
2146 case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2147 {
2148 /*
2149 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2150 * and return their volume names. If max_data_count is 16, then it is just
2151 * asking for the number of volumes and length of the combined names.
2152 *
2153 * pdata is the data allocated by our caller, but that uses
2154 * total_data_count (which is 0 in our case) rather than max_data_count.
2155 * Allocate the correct amount and return the pointer to let
2156 * it be deallocated when we return.
2157 */
2158 SHADOW_COPY_DATA *shadow_data = NULL;
2159 TALLOC_CTX *shadow_mem_ctx = NULL;
2160 BOOL labels = False;
2161 uint32 labels_data_count = 0;
2162 uint32 i;
2163 char *cur_pdata;
2164
2165 FSP_BELONGS_CONN(fsp,conn);
2166
2167 if (max_data_count < 16) {
2168 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2169 max_data_count));
2170 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2171 }
2172
2173 if (max_data_count > 16) {
2174 labels = True;
2175 }
2176
2177 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2178 if (shadow_mem_ctx == NULL) {
2179 DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2180 return ERROR_NT(NT_STATUS_NO_MEMORY);
2181 }
2182
2183 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2184 if (shadow_data == NULL) {
2185 DEBUG(0,("talloc_zero() failed!\n"));
2186 talloc_destroy(shadow_mem_ctx);
2187 return ERROR_NT(NT_STATUS_NO_MEMORY);
2188 }
2189
2190 shadow_data->mem_ctx = shadow_mem_ctx;
2191
2192 /*
2193 * Call the VFS routine to actually do the work.
2194 */
2195 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2196 talloc_destroy(shadow_data->mem_ctx);
2197 if (errno == ENOSYS) {
2198 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2199 conn->connectpath));
2200 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2201 } else {
2202 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2203 conn->connectpath));
2204 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
2205 }
2206 }
2207
2208 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2209
2210 if (!labels) {
2211 data_count = 16;
2212 } else {
2213 data_count = 12+labels_data_count+4;
2214 }
2215
2216 if (max_data_count<data_count) {
2217 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2218 max_data_count,data_count));
2219 talloc_destroy(shadow_data->mem_ctx);
2220 return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
2221 }
2222
2223 pdata = nttrans_realloc(ppdata, data_count);
2224 if (pdata == NULL) {
2225 talloc_destroy(shadow_data->mem_ctx);
2226 return ERROR_NT(NT_STATUS_NO_MEMORY);
2227 }
2228
2229 cur_pdata = pdata;
2230
2231 /* num_volumes 4 bytes */
2232 SIVAL(pdata,0,shadow_data->num_volumes);
2233
2234 if (labels) {
2235 /* num_labels 4 bytes */
2236 SIVAL(pdata,4,shadow_data->num_volumes);
2237 }
2238
2239 /* needed_data_count 4 bytes */
2240 SIVAL(pdata,8,labels_data_count);
2241
2242 cur_pdata+=12;
2243
2244 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2245 shadow_data->num_volumes,fsp->fsp_name));
2246 if (labels && shadow_data->labels) {
2247 for (i=0;i<shadow_data->num_volumes;i++) {
2248 srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
2249 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2250 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2251 }
2252 }
2253
2254 talloc_destroy(shadow_data->mem_ctx);
2255
2256 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
2257
2258 return -1;
2259 }
2260
2261 case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2262 {
2263 /* pretend this succeeded -
2264 *
2265 * we have to send back a list with all files owned by this SID
2266 *
2267 * but I have to check that --metze
2268 */
2269 DOM_SID sid;
2270 uid_t uid;
2271 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2272
2273 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2274
2275 FSP_BELONGS_CONN(fsp,conn);
2276
2277 /* unknown 4 bytes: this is not the length of the sid :-( */
2278 /*unknown = IVAL(pdata,0);*/
2279
2280 sid_parse(pdata+4,sid_len,&sid);
2281 DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
2282
2283 if (!sid_to_uid(&sid, &uid)) {
2284 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2285 sid_string_static(&sid),(unsigned long)sid_len));
2286 uid = (-1);
2287 }
2288
2289 /* we can take a look at the find source :-)
2290 *
2291 * find ./ -uid $uid -name '*' is what we need here
2292 *
2293 *
2294 * and send 4bytes len and then NULL terminated unicode strings
2295 * for each file
2296 *
2297 * but I don't know how to deal with the paged results
2298 * (maybe we can hang the result anywhere in the fsp struct)
2299 *
2300 * we don't send all files at once
2301 * and at the next we should *not* start from the beginning,
2302 * so we have to cache the result
2303 *
2304 * --metze
2305 */
2306
2307 /* this works for now... */
2308 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
2309 return -1;
2310 }
2311 default:
2312 if (!logged_message) {
2313 logged_message = True; /* Only print this once... */
2314 DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2315 function));
2316 }
2317 }
2318
2319 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
2320 }
2321
2322
2323 #ifdef HAVE_SYS_QUOTAS
2324 /****************************************************************************
2325 Reply to get user quota
2326 ****************************************************************************/
2327
2328 static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2329 uint16 **ppsetup, uint32 setup_count,
2330 char **ppparams, uint32 parameter_count,
2331 char **ppdata, uint32 data_count, uint32 max_data_count)
2332 {
2333 NTSTATUS nt_status = NT_STATUS_OK;
2334 char *params = *ppparams;
2335 char *pdata = *ppdata;
2336 char *entry;
2337 int data_len=0,param_len=0;
2338 int qt_len=0;
2339 int entry_len = 0;
2340 files_struct *fsp = NULL;
2341 uint16 level = 0;
2342 size_t sid_len;
2343 DOM_SID sid;
2344 BOOL start_enum = True;
2345 SMB_NTQUOTA_STRUCT qt;
2346 SMB_NTQUOTA_LIST *tmp_list;
2347 SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2348 extern struct current_user current_user;
2349
2350 ZERO_STRUCT(qt);
2351
2352 /* access check */
2353 if (current_user.ut.uid != 0) {
2354 DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
2355 lp_servicename(SNUM(conn)),conn->user));
2356 return ERROR_DOS(ERRDOS,ERRnoaccess);
2357 }
2358
2359 /*
2360 * Ensure minimum number of parameters sent.
2361 */
2362
2363 if (parameter_count < 4) {
2364 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2365 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2366 }
2367
2368 /* maybe we can check the quota_fnum */
2369 fsp = file_fsp(params,0);
2370 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2371 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2372 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2373 }
2374
2375 /* the NULL pointer checking for fsp->fake_file_handle->pd
2376 * is done by CHECK_NTQUOTA_HANDLE_OK()
2377 */
2378 qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
2379
2380 level = SVAL(params,2);
2381
2382 /* unknown 12 bytes leading in params */
2383
2384 switch (level) {
2385 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2386 /* seems that we should continue with the enum here --metze */
2387
2388 if (qt_handle->quota_list!=NULL &&
2389 qt_handle->tmp_list==NULL) {
2390
2391 /* free the list */
2392 free_ntquota_list(&(qt_handle->quota_list));
2393
2394 /* Realloc the size of parameters and data we will return */
2395 param_len = 4;
2396 params = nttrans_realloc(ppparams, param_len);
2397 if(params == NULL) {
2398 return ERROR_DOS(ERRDOS,ERRnomem);
2399 }
2400
2401 data_len = 0;
2402 SIVAL(params,0,data_len);
2403
2404 break;
2405 }
2406
2407 start_enum = False;
2408
2409 case TRANSACT_GET_USER_QUOTA_LIST_START:
2410
2411 if (qt_handle->quota_list==NULL &&
2412 qt_handle->tmp_list==NULL) {
2413 start_enum = True;
2414 }
2415
2416 if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
2417 return ERROR_DOS(ERRSRV,ERRerror);
2418
2419 /* Realloc the size of parameters and data we will return */
2420 param_len = 4;
2421 params = nttrans_realloc(ppparams, param_len);
2422 if(params == NULL) {
2423 return ERROR_DOS(ERRDOS,ERRnomem);
2424 }
2425
2426 /* we should not trust the value in max_data_count*/
2427 max_data_count = MIN(max_data_count,2048);
2428
2429 pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2430 if(pdata == NULL) {
2431 return ERROR_DOS(ERRDOS,ERRnomem);
2432 }
2433
2434 entry = pdata;
2435
2436 /* set params Size of returned Quota Data 4 bytes*/
2437 /* but set it later when we know it */
2438
2439 /* for each entry push the data */
2440
2441 if (start_enum) {
2442 qt_handle->tmp_list = qt_handle->quota_list;
2443 }
2444
2445 tmp_list = qt_handle->tmp_list;
2446
2447 for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2448 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2449
2450 sid_len = sid_size(&tmp_list->quotas->sid);
2451 entry_len = 40 + sid_len;
2452
2453 /* nextoffset entry 4 bytes */
2454 SIVAL(entry,0,entry_len);
2455
2456 /* then the len of the SID 4 bytes */
2457 SIVAL(entry,4,sid_len);
2458
2459 /* unknown data 8 bytes SMB_BIG_UINT */
2460 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
2461
2462 /* the used disk space 8 bytes SMB_BIG_UINT */
2463 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2464
2465 /* the soft quotas 8 bytes SMB_BIG_UINT */
2466 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2467
2468 /* the hard quotas 8 bytes SMB_BIG_UINT */
2469 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2470
2471 /* and now the SID */
2472 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2473 }
2474
2475 qt_handle->tmp_list = tmp_list;
2476
2477 /* overwrite the offset of the last entry */
2478 SIVAL(entry-entry_len,0,0);
2479
2480 data_len = 4+qt_len;
2481 /* overwrite the params quota_data_len */
2482 SIVAL(params,0,data_len);
2483
2484 break;
2485
2486 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2487
2488 /* unknown 4 bytes IVAL(pdata,0) */
2489
2490 if (data_count < 8) {
2491 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2492 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2493 }
2494
2495 sid_len = IVAL(pdata,4);
2496 /* Ensure this is less than 1mb. */
2497 if (sid_len > (1024*1024)) {
2498 return ERROR_DOS(ERRDOS,ERRnomem);
2499 }
2500
2501 if (data_count < 8+sid_len) {
2502 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2503 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2504 }
2505
2506 data_len = 4+40+sid_len;
2507
2508 if (max_data_count < data_len) {
2509 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2510 max_data_count, data_len));
2511 param_len = 4;
2512 SIVAL(params,0,data_len);
2513 data_len = 0;
2514 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2515 break;
2516 }
2517
2518 sid_parse(pdata+8,sid_len,&sid);
2519
2520 if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2521 ZERO_STRUCT(qt);
2522 /*
2523 * we have to return zero's in all fields
2524 * instead of returning an error here
2525 * --metze
2526 */
2527 }
2528
2529 /* Realloc the size of parameters and data we will return */
2530 param_len = 4;
2531 params = nttrans_realloc(ppparams, param_len);
2532 if(params == NULL) {
2533 return ERROR_DOS(ERRDOS,ERRnomem);
2534 }
2535
2536 pdata = nttrans_realloc(ppdata, data_len);
2537 if(pdata == NULL) {
2538 return ERROR_DOS(ERRDOS,ERRnomem);
2539 }
2540
2541 entry = pdata;
2542
2543 /* set params Size of returned Quota Data 4 bytes*/
2544 SIVAL(params,0,data_len);
2545
2546 /* nextoffset entry 4 bytes */
2547 SIVAL(entry,0,0);
2548
2549 /* then the len of the SID 4 bytes */
2550 SIVAL(entry,4,sid_len);
2551
2552 /* unknown data 8 bytes SMB_BIG_UINT */
2553 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2554
2555 /* the used disk space 8 bytes SMB_BIG_UINT */
2556 SBIG_UINT(entry,16,qt.usedspace);
2557
2558 /* the soft quotas 8 bytes SMB_BIG_UINT */
2559 SBIG_UINT(entry,24,qt.softlim);
2560
2561 /* the hard quotas 8 bytes SMB_BIG_UINT */
2562 SBIG_UINT(entry,32,qt.hardlim);
2563
2564 /* and now the SID */
2565 sid_linearize(entry+40, sid_len, &sid);
2566
2567 break;
2568
2569 default:
2570 DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2571 return ERROR_DOS(ERRSRV,ERRerror);
2572 break;
2573 }
2574
2575 send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2576
2577 return -1;
2578 }
2579
2580 /****************************************************************************
2581 Reply to set user quota
2582 ****************************************************************************/
2583
2584 static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
2585 uint16 **ppsetup, uint32 setup_count,
2586 char **ppparams, uint32 parameter_count,
2587 char **ppdata, uint32 data_count, uint32 max_data_count)
2588 {
2589 char *params = *ppparams;
2590 char *pdata = *ppdata;
2591 int data_len=0,param_len=0;
2592 SMB_NTQUOTA_STRUCT qt;
2593 size_t sid_len;
2594 DOM_SID sid;
2595 files_struct *fsp = NULL;
2596
2597 ZERO_STRUCT(qt);
2598
2599 /* access check */
2600 if (current_user.ut.uid != 0) {
2601 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2602 lp_servicename(SNUM(conn)),conn->user));
2603 return ERROR_DOS(ERRDOS,ERRnoaccess);
2604 }
2605
2606 /*
2607 * Ensure minimum number of parameters sent.
2608 */
2609
2610 if (parameter_count < 2) {
2611 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2612 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2613 }
2614
2615 /* maybe we can check the quota_fnum */
2616 fsp = file_fsp(params,0);
2617 if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2618 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2619 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2620 }
2621
2622 if (data_count < 40) {
2623 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2624 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2625 }
2626
2627 /* offset to next quota record.
2628 * 4 bytes IVAL(pdata,0)
2629 * unused here...
2630 */
2631
2632 /* sid len */
2633 sid_len = IVAL(pdata,4);
2634
2635 if (data_count < 40+sid_len) {
2636 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2637 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2638 }
2639
2640 /* unknown 8 bytes in pdata
2641 * maybe its the change time in NTTIME
2642 */
2643
2644 /* the used space 8 bytes (SMB_BIG_UINT)*/
2645 qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2646 #ifdef LARGE_SMB_OFF_T
2647 qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2648 #else /* LARGE_SMB_OFF_T */
2649 if ((IVAL(pdata,20) != 0)&&
2650 ((qt.usedspace != 0xFFFFFFFF)||
2651 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2652 /* more than 32 bits? */
2653 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2654 }
2655 #endif /* LARGE_SMB_OFF_T */
2656
2657 /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2658 qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2659 #ifdef LARGE_SMB_OFF_T
2660 qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2661 #else /* LARGE_SMB_OFF_T */
2662 if ((IVAL(pdata,28) != 0)&&
2663 ((qt.softlim != 0xFFFFFFFF)||
2664 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2665 /* more than 32 bits? */
2666 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2667 }
2668 #endif /* LARGE_SMB_OFF_T */
2669
2670 /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2671 qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2672 #ifdef LARGE_SMB_OFF_T
2673 qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2674 #else /* LARGE_SMB_OFF_T */
2675 if ((IVAL(pdata,36) != 0)&&
2676 ((qt.hardlim != 0xFFFFFFFF)||
2677 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2678 /* more than 32 bits? */
2679 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2680 }
2681 #endif /* LARGE_SMB_OFF_T */
2682
2683 sid_parse(pdata+40,sid_len,&sid);
2684 DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2685
2686 /* 44 unknown bytes left... */
2687
2688 if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2689 return ERROR_DOS(ERRSRV,ERRerror);
2690 }
2691
2692 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2693
2694 return -1;
2695 }
2696 #endif /* HAVE_SYS_QUOTAS */
2697
2698 static int handle_nttrans(connection_struct *conn,
2699 struct trans_state *state,
2700 char *inbuf, char *outbuf, int size, int bufsize)
2701 {
2702 int outsize;
2703
2704 if (Protocol >= PROTOCOL_NT1) {
2705 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | 0x40); /* IS_LONG_NAME */
2706 }
2707
2708 /* Now we must call the relevant NT_TRANS function */
2709 switch(state->call) {
2710 case NT_TRANSACT_CREATE:
2711 {
2712 START_PROFILE_NESTED(NT_transact_create);
2713 outsize = call_nt_transact_create(conn, inbuf, outbuf,
2714 size, bufsize,
2715 &state->setup, state->setup_count,
2716 &state->param, state->total_param,
2717 &state->data, state->total_data,
2718 state->max_data_return);
2719 END_PROFILE_NESTED(NT_transact_create);
2720 break;
2721 }
2722
2723 case NT_TRANSACT_IOCTL:
2724 {
2725 START_PROFILE_NESTED(NT_transact_ioctl);
2726 outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2727 size, bufsize,
2728 &state->setup, state->setup_count,
2729 &state->param, state->total_param,
2730 &state->data, state->total_data, state->max_data_return);
2731 END_PROFILE_NESTED(NT_transact_ioctl);
2732 break;
2733 }
2734
2735 case NT_TRANSACT_SET_SECURITY_DESC:
2736 {
2737 START_PROFILE_NESTED(NT_transact_set_security_desc);
2738 outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
2739 size, bufsize,
2740 &state->setup, state->setup_count,
2741 &state->param, state->total_param,
2742 &state->data, state->total_data, state->max_data_return);
2743 END_PROFILE_NESTED(NT_transact_set_security_desc);
2744 break;
2745 }
2746
2747 case NT_TRANSACT_NOTIFY_CHANGE:
2748 {
2749 START_PROFILE_NESTED(NT_transact_notify_change);
2750 outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
2751 size, bufsize,
2752 &state->setup, state->setup_count,
2753 &state->param, state->total_param,
2754 &state->data, state->total_data, state->max_data_return);
2755 END_PROFILE_NESTED(NT_transact_notify_change);
2756 break;
2757 }
2758
2759 case NT_TRANSACT_RENAME:
2760 {
2761 START_PROFILE_NESTED(NT_transact_rename);
2762 outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2763 size, bufsize,
2764 &state->setup, state->setup_count,
2765 &state->param, state->total_param,
2766 &state->data, state->total_data, state->max_data_return);
2767 END_PROFILE_NESTED(NT_transact_rename);
2768 break;
2769 }
2770
2771 case NT_TRANSACT_QUERY_SECURITY_DESC:
2772 {
2773 START_PROFILE_NESTED(NT_transact_query_security_desc);
2774 outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
2775 size, bufsize,
2776 &state->setup, state->setup_count,
2777 &state->param, state->total_param,
2778 &state->data, state->total_data, state->max_data_return);
2779 END_PROFILE_NESTED(NT_transact_query_security_desc);
2780 break;
2781 }
2782
2783 #ifdef HAVE_SYS_QUOTAS
2784 case NT_TRANSACT_GET_USER_QUOTA:
2785 {
2786 START_PROFILE_NESTED(NT_transact_get_user_quota);
2787 outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
2788 size, bufsize,
2789 &state->setup, state->setup_count,
2790 &state->param, state->total_param,
2791 &state->data, state->total_data, state->max_data_return);
2792 END_PROFILE_NESTED(NT_transact_get_user_quota);
2793 break;
2794 }
2795
2796 case NT_TRANSACT_SET_USER_QUOTA:
2797 {
2798 START_PROFILE_NESTED(NT_transact_set_user_quota);
2799 outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
2800 size, bufsize,
2801 &state->setup, state->setup_count,
2802 &state->param, state->total_param,
2803 &state->data, state->total_data, state->max_data_return);
2804 END_PROFILE_NESTED(NT_transact_set_user_quota);
2805 break;
2806 }
2807 #endif /* HAVE_SYS_QUOTAS */
2808
2809 default:
2810 /* Error in request */
2811 DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n",
2812 state->call));
2813 return ERROR_DOS(ERRSRV,ERRerror);
2814 }
2815 return outsize;
2816 }
2817
2818 /****************************************************************************
2819 Reply to a SMBNTtrans.
2820 ****************************************************************************/
2821
2822 int reply_nttrans(connection_struct *conn,
2823 char *inbuf,char *outbuf,int size,int bufsize)
2824 {
2825 int outsize = 0;
2826 uint32 pscnt = IVAL(inbuf,smb_nt_ParameterCount);
2827 uint32 psoff = IVAL(inbuf,smb_nt_ParameterOffset);
2828 uint32 dscnt = IVAL(inbuf,smb_nt_DataCount);
2829 uint32 dsoff = IVAL(inbuf,smb_nt_DataOffset);
2830
2831 uint16 function_code = SVAL( inbuf, smb_nt_Function);
2832 NTSTATUS result;
2833 struct trans_state *state;
2834
2835 START_PROFILE(SMBnttrans);
2836
2837 if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2838 END_PROFILE(SMBnttrans);
2839 return ERROR_DOS(ERRSRV,ERRaccess);
2840 }
2841
2842 result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
2843 if (!NT_STATUS_IS_OK(result)) {
2844 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2845 END_PROFILE(SMBnttrans);
2846 return ERROR_NT(result);
2847 }
2848
2849 if ((state = TALLOC_P(NULL, struct trans_state)) == NULL) {
2850 END_PROFILE(SMBnttrans);
2851 return ERROR_DOS(ERRSRV,ERRaccess);
2852 }
2853
2854 state->cmd = SMBnttrans;
2855
2856 state->mid = SVAL(inbuf,smb_mid);
2857 state->vuid = SVAL(inbuf,smb_uid);
2858 state->total_data = IVAL(inbuf, smb_nt_TotalDataCount);
2859 state->data = NULL;
2860 state->total_param = IVAL(inbuf, smb_nt_TotalParameterCount);
2861 state->param = NULL;
2862 state->max_data_return = IVAL(inbuf,smb_nt_MaxDataCount);
2863
2864 /* setup count is in *words* */
2865 state->setup_count = 2*CVAL(inbuf,smb_nt_SetupCount);
2866 state->call = function_code;
2867
2868 /*
2869 * All nttrans messages we handle have smb_wct == 19 +
2870 * state->setup_count. Ensure this is so as a sanity check.
2871 */
2872
2873 if(CVAL(inbuf, smb_wct) != 19 + (state->setup_count/2)) {
2874 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2875 CVAL(inbuf, smb_wct), 19 + (state->setup_count/2)));
2876 goto bad_param;
2877 }
2878
2879 /* Don't allow more than 128mb for each value. */
2880 if ((state->total_data > (1024*1024*128)) ||
2881 (state->total_param > (1024*1024*128))) {
2882 END_PROFILE(SMBnttrans);
2883 return ERROR_DOS(ERRDOS,ERRnomem);
2884 }
2885
2886 if ((dscnt > state->total_data) || (pscnt > state->total_param))
2887 goto bad_param;
2888
2889 if (state->total_data) {
2890 /* Can't use talloc here, the core routines do realloc on the
2891 * params and data. */
2892 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2893 DEBUG(0,("reply_nttrans: data malloc fail for %u "
2894 "bytes !\n", (unsigned int)state->total_data));
2895 TALLOC_FREE(state);
2896 END_PROFILE(SMBnttrans);
2897 return(ERROR_DOS(ERRDOS,ERRnomem));
2898 }
2899 if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
2900 goto bad_param;
2901 if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
2902 (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
2903 goto bad_param;
2904
2905 memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
2906 }
2907
2908 if (state->total_param) {
2909 /* Can't use talloc here, the core routines do realloc on the
2910 * params and data. */
2911 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2912 DEBUG(0,("reply_nttrans: param malloc fail for %u "
2913 "bytes !\n", (unsigned int)state->total_param));
2914 SAFE_FREE(state->data);
2915 TALLOC_FREE(state);
2916 END_PROFILE(SMBnttrans);
2917 return(ERROR_DOS(ERRDOS,ERRnomem));
2918 }
2919 if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
2920 goto bad_param;
2921 if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
2922 (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
2923 goto bad_param;
2924
2925 memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
2926 }
2927
2928 state->received_data = dscnt;
2929 state->received_param = pscnt;
2930
2931 if(state->setup_count > 0) {
2932 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2933 state->setup_count));
2934 state->setup = (uint16 *)TALLOC(state, state->setup_count);
2935 if (state->setup == NULL) {
2936 DEBUG(0,("reply_nttrans : Out of memory\n"));
2937 SAFE_FREE(state->data);
2938 SAFE_FREE(state->param);
2939 TALLOC_FREE(state);
2940 END_PROFILE(SMBnttrans);
2941 return ERROR_DOS(ERRDOS,ERRnomem);
2942 }
2943
2944 if ((smb_nt_SetupStart + state->setup_count < smb_nt_SetupStart) ||
2945 (smb_nt_SetupStart + state->setup_count < state->setup_count)) {
2946 goto bad_param;
2947 }
2948 if (smb_nt_SetupStart + state->setup_count > size) {
2949 goto bad_param;
2950 }
2951
2952 memcpy( state->setup, &inbuf[smb_nt_SetupStart], state->setup_count);
2953 dump_data(10, (char *)state->setup, state->setup_count);
2954 }
2955
2956 if ((state->received_data == state->total_data) &&
2957 (state->received_param == state->total_param)) {
2958 outsize = handle_nttrans(conn, state, inbuf, outbuf,
2959 size, bufsize);
2960 SAFE_FREE(state->param);
2961 SAFE_FREE(state->data);
2962 TALLOC_FREE(state);
2963 END_PROFILE(SMBnttrans);
2964 return outsize;
2965 }
2966
2967 DLIST_ADD(conn->pending_trans, state);
2968
2969 /* We need to send an interim response then receive the rest
2970 of the parameter/data bytes */
2971 outsize = set_message(outbuf,0,0,False);
2972 show_msg(outbuf);
2973 END_PROFILE(SMBnttrans);
2974 return outsize;
2975
2976 bad_param:
2977
2978 DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2979 SAFE_FREE(state->data);
2980 SAFE_FREE(state->param);
2981 TALLOC_FREE(state);
2982 END_PROFILE(SMBnttrans);
2983 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2984 }
2985
2986 /****************************************************************************
2987 Reply to a SMBnttranss
2988 ****************************************************************************/
2989
2990 int reply_nttranss(connection_struct *conn, char *inbuf,char *outbuf,
2991 int size,int bufsize)
2992 {
2993 int outsize = 0;
2994 unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
2995 struct trans_state *state;
2996
2997 START_PROFILE(SMBnttranss);
2998
2999 show_msg(inbuf);
3000
3001 for (state = conn->pending_trans; state != NULL;
3002 state = state->next) {
3003 if (state->mid == SVAL(inbuf,smb_mid)) {
3004 break;
3005 }
3006 }
3007
3008 if ((state == NULL) || (state->cmd != SMBnttrans)) {
3009 END_PROFILE(SMBnttranss);
3010 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3011 }
3012
3013 /* Revise state->total_param and state->total_data in case they have
3014 changed downwards */
3015 if (IVAL(inbuf, smb_nts_TotalParameterCount) < state->total_param) {
3016 state->total_param = IVAL(inbuf, smb_nts_TotalParameterCount);
3017 }
3018 if (IVAL(inbuf, smb_nts_TotalDataCount) < state->total_data) {
3019 state->total_data = IVAL(inbuf, smb_nts_TotalDataCount);
3020 }
3021
3022 pcnt = IVAL(inbuf,smb_nts_ParameterCount);
3023 poff = IVAL(inbuf, smb_nts_ParameterOffset);
3024 pdisp = IVAL(inbuf, smb_nts_ParameterDisplacement);
3025
3026 dcnt = IVAL(inbuf, smb_nts_DataCount);
3027 ddisp = IVAL(inbuf, smb_nts_DataDisplacement);
3028 doff = IVAL(inbuf, smb_nts_DataOffset);
3029
3030 state->received_param += pcnt;
3031 state->received_data += dcnt;
3032
3033 if ((state->received_data > state->total_data) ||
3034 (state->received_param > state->total_param))
3035 goto bad_param;
3036
3037 if (pcnt) {
3038 if (pdisp+pcnt > state->total_param)
3039 goto bad_param;
3040 if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
3041 goto bad_param;
3042 if (pdisp > state->total_param)
3043 goto bad_param;
3044 if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
3045 (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
3046 goto bad_param;
3047 if (state->param + pdisp < state->param)
3048 goto bad_param;
3049
3050 memcpy(state->param+pdisp,smb_base(inbuf)+poff,
3051 pcnt);
3052 }
3053
3054 if (dcnt) {
3055 if (ddisp+dcnt > state->total_data)
3056 goto bad_param;
3057 if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
3058 goto bad_param;
3059 if (ddisp > state->total_data)
3060 goto bad_param;
3061 if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
3062 (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
3063 goto bad_param;
3064 if (state->data + ddisp < state->data)
3065 goto bad_param;
3066
3067 memcpy(state->data+ddisp, smb_base(inbuf)+doff,
3068 dcnt);
3069 }
3070
3071 if ((state->received_param < state->total_param) ||
3072 (state->received_data < state->total_data)) {
3073 END_PROFILE(SMBnttranss);
3074 return -1;
3075 }
3076
3077 /* construct_reply_common has done us the favor to pre-fill the
3078 * command field with SMBnttranss which is wrong :-)
3079 */
3080 SCVAL(outbuf,smb_com,SMBnttrans);
3081
3082 outsize = handle_nttrans(conn, state, inbuf, outbuf,
3083 size, bufsize);
3084
3085 DLIST_REMOVE(conn->pending_trans, state);
3086 SAFE_FREE(state->data);
3087 SAFE_FREE(state->param);
3088 TALLOC_FREE(state);
3089
3090 if (outsize == 0) {
3091 END_PROFILE(SMBnttranss);
3092 return(ERROR_DOS(ERRSRV,ERRnosupport));
3093 }
3094
3095 END_PROFILE(SMBnttranss);
3096 return(outsize);
3097
3098 bad_param:
3099
3100 DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3101 DLIST_REMOVE(conn->pending_trans, state);
3102 SAFE_FREE(state->data);
3103 SAFE_FREE(state->param);
3104 TALLOC_FREE(state);
3105 END_PROFILE(SMBnttranss);
3106 return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
3107 }