Add NT quota support. Patch from Stefan (metze) Metzemacher
[samba.git] / source / smbd / nttrans.c
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 Protocol;
25 extern int smb_read_error;
26 extern int global_oplock_break;
27 extern BOOL case_sensitive;
28 extern BOOL case_preserve;
29 extern BOOL short_case_preserve;
30 extern struct current_user current_user;
31
32 static const char *known_nt_pipes[] = {
33         "\\LANMAN",
34         "\\srvsvc",
35         "\\samr",
36         "\\wkssvc",
37         "\\NETLOGON",
38         "\\ntlsa",
39         "\\ntsvcs",
40         "\\lsass",
41         "\\lsarpc",
42         "\\winreg",
43         "\\spoolss",
44         "\\netdfs",
45         "\\rpcecho",
46         NULL
47 };
48
49 /* Map generic permissions to file object specific permissions */
50  
51 struct generic_mapping file_generic_mapping = {
52         FILE_GENERIC_READ,
53         FILE_GENERIC_WRITE,
54         FILE_GENERIC_EXECUTE,
55         FILE_GENERIC_ALL
56 };
57
58 char *nttrans_realloc(char **ptr, size_t size)
59 {
60         char *tptr = NULL;
61         if (ptr==NULL)
62                 smb_panic("nttrans_realloc() called with NULL ptr\n");
63                 
64         tptr = Realloc_zero(*ptr, size);
65         if(tptr == NULL) {
66                 *ptr = NULL;
67                 return NULL;
68         }
69
70         *ptr = tptr;
71
72         return tptr;
73 }
74
75
76 /****************************************************************************
77  Send the required number of replies back.
78  We assume all fields other than the data fields are
79  set correctly for the type of call.
80  HACK ! Always assumes smb_setup field is zero.
81 ****************************************************************************/
82
83 static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
84                            int paramsize, char *pdata, int datasize)
85 {
86         extern int max_send;
87         int data_to_send = datasize;
88         int params_to_send = paramsize;
89         int useable_space;
90         char *pp = params;
91         char *pd = pdata;
92         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
93         int alignment_offset = 3;
94         int data_alignment_offset = 0;
95
96         /*
97          * Initially set the wcnt area to be 18 - this is true for all
98          * transNT replies.
99          */
100
101         set_message(outbuf,18,0,True);
102
103         if (NT_STATUS_V(nt_error))
104                 ERROR_NT(nt_error);
105
106         /* 
107          * If there genuinely are no parameters or data to send just send
108          * the empty packet.
109          */
110
111         if(params_to_send == 0 && data_to_send == 0) {
112                 if (!send_smb(smbd_server_fd(),outbuf))
113                         exit_server("send_nt_replies: send_smb failed.");
114                 return 0;
115         }
116
117         /*
118          * When sending params and data ensure that both are nicely aligned.
119          * Only do this alignment when there is also data to send - else
120          * can cause NT redirector problems.
121          */
122
123         if (((params_to_send % 4) != 0) && (data_to_send != 0))
124                 data_alignment_offset = 4 - (params_to_send % 4);
125
126         /* 
127          * Space is bufsize minus Netbios over TCP header minus SMB header.
128          * The alignment_offset is to align the param bytes on a four byte
129          * boundary (2 bytes for data len, one byte pad). 
130          * NT needs this to work correctly.
131          */
132
133         useable_space = bufsize - ((smb_buf(outbuf)+
134                                 alignment_offset+data_alignment_offset) -
135                                 outbuf);
136
137         /*
138          * useable_space can never be more than max_send minus the
139          * alignment offset.
140          */
141
142         useable_space = MIN(useable_space,
143                                 max_send - (alignment_offset+data_alignment_offset));
144
145
146         while (params_to_send || data_to_send) {
147
148                 /*
149                  * Calculate whether we will totally or partially fill this packet.
150                  */
151
152                 total_sent_thistime = params_to_send + data_to_send +
153                                         alignment_offset + data_alignment_offset;
154
155                 /* 
156                  * We can never send more than useable_space.
157                  */
158
159                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
160
161                 set_message(outbuf, 18, total_sent_thistime, True);
162
163                 /*
164                  * Set total params and data to be sent.
165                  */
166
167                 SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
168                 SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
169
170                 /* 
171                  * Calculate how many parameters and data we can fit into
172                  * this packet. Parameters get precedence.
173                  */
174
175                 params_sent_thistime = MIN(params_to_send,useable_space);
176                 data_sent_thistime = useable_space - params_sent_thistime;
177                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
178
179                 SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
180
181                 if(params_sent_thistime == 0) {
182                         SIVAL(outbuf,smb_ntr_ParameterOffset,0);
183                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
184                 } else {
185                         /*
186                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
187                          * parameter bytes, however the first 4 bytes of outbuf are
188                          * the Netbios over TCP header. Thus use smb_base() to subtract
189                          * them from the calculation.
190                          */
191
192                         SIVAL(outbuf,smb_ntr_ParameterOffset,
193                                 ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
194                         /* 
195                          * Absolute displacement of param bytes sent in this packet.
196                          */
197
198                         SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
199                 }
200
201                 /*
202                  * Deal with the data portion.
203                  */
204
205                 SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
206
207                 if(data_sent_thistime == 0) {
208                         SIVAL(outbuf,smb_ntr_DataOffset,0);
209                         SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
210                 } else {
211                         /*
212                          * The offset of the data bytes is the offset of the
213                          * parameter bytes plus the number of parameters being sent this time.
214                          */
215
216                         SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
217                                 smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
218                                 SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
219                 }
220
221                 /* 
222                  * Copy the param bytes into the packet.
223                  */
224
225                 if(params_sent_thistime)
226                         memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
227
228                 /*
229                  * Copy in the data bytes
230                  */
231
232                 if(data_sent_thistime)
233                         memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
234                                 data_alignment_offset,pd,data_sent_thistime);
235     
236                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
237                         params_sent_thistime, data_sent_thistime, useable_space));
238                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
239                         params_to_send, data_to_send, paramsize, datasize));
240     
241                 /* Send the packet */
242                 if (!send_smb(smbd_server_fd(),outbuf))
243                         exit_server("send_nt_replies: send_smb failed.");
244     
245                 pp += params_sent_thistime;
246                 pd += data_sent_thistime;
247     
248                 params_to_send -= params_sent_thistime;
249                 data_to_send -= data_sent_thistime;
250
251                 /*
252                  * Sanity check
253                  */
254
255                 if(params_to_send < 0 || data_to_send < 0) {
256                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
257                                 params_to_send, data_to_send));
258                         return -1;
259                 }
260         } 
261
262         return 0;
263 }
264
265 /****************************************************************************
266  Save case statics.
267 ****************************************************************************/
268
269 static BOOL saved_case_sensitive;
270 static BOOL saved_case_preserve;
271 static BOOL saved_short_case_preserve;
272
273 /****************************************************************************
274  Save case semantics.
275 ****************************************************************************/
276
277 static void set_posix_case_semantics(uint32 file_attributes)
278 {
279         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
280                 return;
281
282         saved_case_sensitive = case_sensitive;
283         saved_case_preserve = case_preserve;
284         saved_short_case_preserve = short_case_preserve;
285
286         /* Set to POSIX. */
287         case_sensitive = True;
288         case_preserve = True;
289         short_case_preserve = True;
290 }
291
292 /****************************************************************************
293  Restore case semantics.
294 ****************************************************************************/
295
296 static void restore_case_semantics(uint32 file_attributes)
297 {
298         if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS))
299                 return;
300
301         case_sensitive = saved_case_sensitive;
302         case_preserve = saved_case_preserve;
303         short_case_preserve = saved_short_case_preserve;
304 }
305
306 /****************************************************************************
307  Utility function to map create disposition.
308 ****************************************************************************/
309
310 static int map_create_disposition( uint32 create_disposition)
311 {
312         int ret;
313
314         switch( create_disposition ) {
315                 case FILE_CREATE:
316                         /* create if not exist, fail if exist */
317                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_FAIL);
318                         break;
319                 case FILE_SUPERSEDE:
320                 case FILE_OVERWRITE_IF:
321                         /* create if not exist, trunc if exist */
322                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
323                         break;
324                 case FILE_OPEN:
325                         /* fail if not exist, open if exists */
326                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN);
327                         break;
328                 case FILE_OPEN_IF:
329                         /* create if not exist, open if exists */
330                         ret = (FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_OPEN);
331                         break;
332                 case FILE_OVERWRITE:
333                         /* fail if not exist, truncate if exists */
334                         ret = (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE);
335                         break;
336                 default:
337                         DEBUG(0,("map_create_disposition: Incorrect value for create_disposition = %d\n",
338                                 create_disposition ));
339                         return -1;
340         }
341
342         DEBUG(10,("map_create_disposition: Mapped create_disposition 0x%lx to 0x%x\n",
343                         (unsigned long)create_disposition, ret ));
344
345         return ret;
346 }
347
348 /****************************************************************************
349  Utility function to map share modes.
350 ****************************************************************************/
351
352 static int map_share_mode( char *fname, uint32 create_options,
353                         uint32 *desired_access, uint32 share_access, uint32 file_attributes)
354 {
355         int smb_open_mode = -1;
356
357         /*
358          * Convert GENERIC bits to specific bits.
359          */
360
361         se_map_generic(desired_access, &file_generic_mapping);
362
363         switch( *desired_access & (FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA) ) {
364                 case FILE_READ_DATA:
365                         smb_open_mode = DOS_OPEN_RDONLY;
366                         break;
367                 case FILE_WRITE_DATA:
368                 case FILE_APPEND_DATA:
369                 case FILE_WRITE_DATA|FILE_APPEND_DATA:
370                         smb_open_mode = DOS_OPEN_WRONLY;
371                         break;
372                 case FILE_READ_DATA|FILE_WRITE_DATA:
373                 case FILE_READ_DATA|FILE_WRITE_DATA|FILE_APPEND_DATA:
374                 case FILE_READ_DATA|FILE_APPEND_DATA:
375                         smb_open_mode = DOS_OPEN_RDWR;
376                         break;
377         }
378
379         /*
380          * NB. For DELETE_ACCESS we should really check the
381          * directory permissions, as that is what controls
382          * delete, and for WRITE_DAC_ACCESS we should really
383          * check the ownership, as that is what controls the
384          * chmod. Note that this is *NOT* a security hole (this
385          * note is for you, Andrew) as we are not *allowing*
386          * the access at this point, the actual unlink or
387          * chown or chmod call would do this. We are just helping
388          * clients out by telling them if they have a hope
389          * of any of this succeeding. POSIX acls may still
390          * deny the real call. JRA.
391          */
392
393         if (smb_open_mode == -1) {
394
395                 if(*desired_access & (DELETE_ACCESS|WRITE_DAC_ACCESS|WRITE_OWNER_ACCESS|SYNCHRONIZE_ACCESS|
396                                         FILE_EXECUTE|FILE_READ_ATTRIBUTES|
397                                         FILE_READ_EA|FILE_WRITE_EA|SYSTEM_SECURITY_ACCESS|
398                                         FILE_WRITE_ATTRIBUTES|READ_CONTROL_ACCESS)) {
399                         smb_open_mode = DOS_OPEN_RDONLY;
400                 } else if(*desired_access == 0) {
401
402                         /* 
403                          * JRA - NT seems to sometimes send desired_access as zero. play it safe
404                          * and map to a stat open.
405                          */
406
407                         smb_open_mode = DOS_OPEN_RDONLY;
408
409                 } else {
410                         DEBUG(0,("map_share_mode: Incorrect value 0x%lx for desired_access to file %s\n",
411                                 (unsigned long)*desired_access, fname));
412                         return -1;
413                 }
414         }
415
416         /*
417          * Set the special bit that means allow share delete.
418          * This is held outside the normal share mode bits at 1<<15.
419          * JRA.
420          */
421
422         if(share_access & FILE_SHARE_DELETE) {
423                 smb_open_mode |= ALLOW_SHARE_DELETE;
424                 DEBUG(10,("map_share_mode: FILE_SHARE_DELETE requested. open_mode = 0x%x\n", smb_open_mode));
425         }
426
427         /*
428          * We need to store the intent to open for Delete. This
429          * is what determines if a delete on close flag can be set.
430          * This is the wrong way (and place) to store this, but for 2.2 this
431          * is the only practical way. JRA.
432          */
433
434         if(*desired_access & DELETE_ACCESS) {
435                 DEBUG(10,("map_share_mode: DELETE_ACCESS requested. open_mode = 0x%x\n", smb_open_mode));
436         }
437
438         if (create_options & FILE_DELETE_ON_CLOSE) {
439                 /* Implicit delete access is *NOT* requested... */
440                 smb_open_mode |= DELETE_ON_CLOSE_FLAG;
441                 DEBUG(10,("map_share_mode: FILE_DELETE_ON_CLOSE requested. open_mode = 0x%x\n", smb_open_mode));
442         }
443
444         /* Add in the requested share mode. */
445         switch( share_access & (FILE_SHARE_READ|FILE_SHARE_WRITE)) {
446                 case FILE_SHARE_READ:
447                         smb_open_mode |= SET_DENY_MODE(DENY_WRITE);
448                         break;
449                 case FILE_SHARE_WRITE:
450                         smb_open_mode |= SET_DENY_MODE(DENY_READ);
451                         break;
452                 case (FILE_SHARE_READ|FILE_SHARE_WRITE):
453                         smb_open_mode |= SET_DENY_MODE(DENY_NONE);
454                         break;
455                 case FILE_SHARE_NONE:
456                         smb_open_mode |= SET_DENY_MODE(DENY_ALL);
457                         break;
458         }
459
460         /*
461          * Handle an O_SYNC request.
462          */
463
464         if(file_attributes & FILE_FLAG_WRITE_THROUGH)
465                 smb_open_mode |= FILE_SYNC_OPENMODE;
466
467         DEBUG(10,("map_share_mode: Mapped desired access 0x%lx, share access 0x%lx, file attributes 0x%lx \
468 to open_mode 0x%x\n", (unsigned long)*desired_access, (unsigned long)share_access,
469                 (unsigned long)file_attributes, smb_open_mode ));
470  
471         return smb_open_mode;
472 }
473
474 /****************************************************************************
475  Reply to an NT create and X call on a pipe.
476 ****************************************************************************/
477
478 static int nt_open_pipe(char *fname, connection_struct *conn,
479                         char *inbuf, char *outbuf, int *ppnum)
480 {
481         smb_np_struct *p = NULL;
482
483         uint16 vuid = SVAL(inbuf, smb_uid);
484         int i;
485
486         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
487     
488         /* See if it is one we want to handle. */
489
490         if (lp_disable_spoolss() && strequal(fname, "\\spoolss"))
491                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
492
493         for( i = 0; known_nt_pipes[i]; i++ )
494                 if( strequal(fname,known_nt_pipes[i]))
495                         break;
496     
497         if ( known_nt_pipes[i] == NULL )
498                 return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
499     
500         /* Strip \\ off the name. */
501         fname++;
502     
503         DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
504
505         p = open_rpc_pipe_p(fname, conn, vuid);
506         if (!p)
507                 return(ERROR_DOS(ERRSRV,ERRnofids));
508
509         *ppnum = p->pnum;
510
511         return 0;
512 }
513
514 /****************************************************************************
515  Reply to an NT create and X call for pipes.
516 ****************************************************************************/
517
518 static int do_ntcreate_pipe_open(connection_struct *conn,
519                          char *inbuf,char *outbuf,int length,int bufsize)
520 {
521         pstring fname;
522         int ret;
523         int pnum = -1;
524         char *p = NULL;
525
526         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
527
528         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
529                 return ret;
530
531         /*
532          * Deal with pipe return.
533          */  
534
535         set_message(outbuf,34,0,True);
536
537         p = outbuf + smb_vwv2;
538         p++;
539         SSVAL(p,0,pnum);
540         p += 2;
541         SIVAL(p,0,FILE_WAS_OPENED);
542         p += 4;
543         p += 32;
544         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
545         p += 20;
546         /* File type. */
547         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
548         /* Device state. */
549         SSVAL(p,2, 0x5FF); /* ? */
550
551         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
552
553         return chain_reply(inbuf,outbuf,length,bufsize);
554 }
555
556 /****************************************************************************
557  Reply to an NT create and X call.
558 ****************************************************************************/
559
560 int reply_ntcreate_and_X(connection_struct *conn,
561                          char *inbuf,char *outbuf,int length,int bufsize)
562 {  
563         int result;
564         pstring fname;
565         enum FAKE_FILE_TYPE fake_file_type = 0;
566         uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
567         uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
568         uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
569         uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
570         uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
571         uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
572         uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
573         SMB_BIG_UINT allocation_size = 0;
574         int smb_ofun;
575         int smb_open_mode;
576         int smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
577         /* Breakout the oplock request bits so we can set the
578            reply bits separately. */
579         int oplock_request = 0;
580         mode_t unixmode;
581         int fmode=0,rmode=0;
582         SMB_OFF_T file_len = 0;
583         SMB_STRUCT_STAT sbuf;
584         int smb_action = 0;
585         BOOL bad_path = False;
586         files_struct *fsp=NULL;
587         char *p = NULL;
588         time_t c_time;
589         BOOL extended_oplock_granted = False;
590
591         START_PROFILE(SMBntcreateX);
592
593         DEBUG(10,("reply_ntcreateX: flags = 0x%x, desired_access = 0x%x \
594 file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
595 create_options = 0x%x root_dir_fid = 0x%x\n", flags, desired_access, file_attributes,
596                         share_access, create_disposition,
597                         create_options, root_dir_fid ));
598
599         /* If it's an IPC, use the pipe handler. */
600
601         if (IS_IPC(conn)) {
602                 if (lp_nt_pipe_support()) {
603                         END_PROFILE(SMBntcreateX);
604                         return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
605                 } else {
606                         END_PROFILE(SMBntcreateX);
607                         return(ERROR_DOS(ERRDOS,ERRnoaccess));
608                 }
609         }
610                         
611         if (create_options & FILE_OPEN_BY_FILE_ID) {
612                 END_PROFILE(SMBntcreateX);
613                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
614         }
615
616         /* 
617          * We need to construct the open_and_X ofun value from the
618          * NT values, as that's what our code is structured to accept.
619          */    
620         
621         if((smb_ofun = map_create_disposition( create_disposition )) == -1) {
622                 END_PROFILE(SMBntcreateX);
623                 return(ERROR_DOS(ERRDOS,ERRnoaccess));
624         }
625
626         /*
627          * Get the file name.
628          */
629
630         if(root_dir_fid != 0) {
631                 /*
632                  * This filename is relative to a directory fid.
633                  */
634                 files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
635                 size_t dir_name_len;
636
637                 if(!dir_fsp) {
638                         END_PROFILE(SMBntcreateX);
639                         return(ERROR_DOS(ERRDOS,ERRbadfid));
640                 }
641
642                 if(!dir_fsp->is_directory) {
643
644                         srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
645
646                         /* 
647                          * Check to see if this is a mac fork of some kind.
648                          */
649
650                         if( strchr_m(fname, ':')) {
651                                 END_PROFILE(SMBntcreateX);
652                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
653                         }
654
655
656                         /*
657                           we need to handle the case when we get a
658                           relative open relative to a file and the
659                           pathname is blank - this is a reopen!
660                           (hint from demyn plantenberg)
661                         */
662                         
663
664                         END_PROFILE(SMBntcreateX);
665                         return(ERROR_DOS(ERRDOS,ERRbadfid));
666                 }
667
668                 /*
669                  * Copy in the base directory name.
670                  */
671
672                 pstrcpy( fname, dir_fsp->fsp_name );
673                 dir_name_len = strlen(fname);
674
675                 /*
676                  * Ensure it ends in a '\'.
677                  */
678
679                 if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
680                         pstrcat(fname, "\\");
681                         dir_name_len++;
682                 }
683
684                 srvstr_pull_buf(inbuf, &fname[dir_name_len], smb_buf(inbuf), sizeof(fname)-dir_name_len, STR_TERMINATE);
685         } else {
686                 srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
687
688                 /* 
689                  * Check to see if this is a mac fork of some kind.
690                  */
691
692                 if( strchr_m(fname, ':')) {
693                         
694                         if ((fake_file_type=is_fake_file(fname))!=0) {
695                                 /*
696                                  * here we go! support for changing the disk quotas --metze
697                                  *
698                                  * we need to fake up to open this MAGIC QUOTA file 
699                                  * and return a valid FID
700                                  *
701                                  * w2k close this file directly after openening
702                                  * xp also tries a QUERY_FILE_INFO on the file and then close it
703                                  */
704                         } else {
705                                 END_PROFILE(SMBntcreateX);
706                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
707                         }
708                 }
709         }
710         
711         /*
712          * Now contruct the smb_open_mode value from the filename, 
713          * desired access and the share access.
714          */
715         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
716
717         if((smb_open_mode = map_share_mode(fname, create_options, &desired_access, 
718                                            share_access, 
719                                            file_attributes)) == -1) {
720                 END_PROFILE(SMBntcreateX);
721                 return ERROR_DOS(ERRDOS,ERRnoaccess);
722         }
723
724         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
725         if (oplock_request) {
726                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
727         }
728
729         /*
730          * Ordinary file or directory.
731          */
732                 
733         /*
734          * Check if POSIX semantics are wanted.
735          */
736                 
737         set_posix_case_semantics(file_attributes);
738                 
739         unix_convert(fname,conn,0,&bad_path,&sbuf);
740                 
741         unixmode = unix_mode(conn,smb_attr | aARCH, fname);
742     
743         /* 
744          * If it's a request for a directory open, deal with it separately.
745          */
746
747         if(create_options & FILE_DIRECTORY_FILE) {
748                 oplock_request = 0;
749                 
750                 /* Can't open a temp directory. IFS kit test. */
751                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
752                         END_PROFILE(SMBntcreateX);
753                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
754                 }
755
756                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
757                         
758                 restore_case_semantics(file_attributes);
759
760                 if(!fsp) {
761                         set_bad_path_error(errno, bad_path);
762                         END_PROFILE(SMBntcreateX);
763                         return(UNIXERROR(ERRDOS,ERRnoaccess));
764                 }
765         } else {
766                 /*
767                  * Ordinary file case.
768                  */
769
770                 /* NB. We have a potential bug here. If we
771                  * cause an oplock break to ourselves, then we
772                  * could end up processing filename related
773                  * SMB requests whilst we await the oplock
774                  * break response. As we may have changed the
775                  * filename case semantics to be POSIX-like,
776                  * this could mean a filename request could
777                  * fail when it should succeed. This is a rare
778                  * condition, but eventually we must arrange
779                  * to restore the correct case semantics
780                  * before issuing an oplock break request to
781                  * our client. JRA.  */
782
783                 if (fake_file_type==0) {
784                         fsp = open_file_shared1(conn,fname,&sbuf,
785                                         desired_access,
786                                         smb_open_mode,
787                                         smb_ofun,unixmode, oplock_request,
788                                         &rmode,&smb_action);
789                 } else {
790                         /* to open a fake_file --metze */
791                         fsp = open_fake_file_shared1(fake_file_type,conn,fname,&sbuf,
792                                         desired_access,
793                                         smb_open_mode,
794                                         smb_ofun,unixmode, oplock_request,
795                                         &rmode,&smb_action);
796                 }
797                 
798                 if (!fsp) { 
799                         /* We cheat here. There are two cases we
800                          * care about. One is a directory rename,
801                          * where the NT client will attempt to
802                          * open the source directory for
803                          * DELETE access. Note that when the
804                          * NT client does this it does *not*
805                          * set the directory bit in the
806                          * request packet. This is translated
807                          * into a read/write open
808                          * request. POSIX states that any open
809                          * for write request on a directory
810                          * will generate an EISDIR error, so
811                          * we can catch this here and open a
812                          * pseudo handle that is flagged as a
813                          * directory. The second is an open
814                          * for a permissions read only, which
815                          * we handle in the open_file_stat case. JRA.
816                          */
817
818                         if(errno == EISDIR) {
819
820                                 /*
821                                  * Fail the open if it was explicitly a non-directory file.
822                                  */
823
824                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
825                                         restore_case_semantics(file_attributes);
826                                         SSVAL(outbuf, smb_flg2, 
827                                               SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
828                                         END_PROFILE(SMBntcreateX);
829                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
830                                 }
831         
832                                 oplock_request = 0;
833                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
834                                 
835                                 if(!fsp) {
836                                         restore_case_semantics(file_attributes);
837                                         set_bad_path_error(errno, bad_path);
838                                         END_PROFILE(SMBntcreateX);
839                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
840                                 }
841                         } else {
842
843                                 restore_case_semantics(file_attributes);
844                                 set_bad_path_error(errno, bad_path);
845                                 END_PROFILE(SMBntcreateX);
846                                 return(UNIXERROR(ERRDOS,ERRnoaccess));
847                         }
848                 } 
849         }
850                 
851         restore_case_semantics(file_attributes);
852                 
853         file_len = sbuf.st_size;
854         fmode = dos_mode(conn,fname,&sbuf);
855         if(fmode == 0)
856                 fmode = FILE_ATTRIBUTE_NORMAL;
857         if (!fsp->is_directory && (fmode & aDIR)) {
858                 close_file(fsp,False);
859                 END_PROFILE(SMBntcreateX);
860                 return ERROR_DOS(ERRDOS,ERRnoaccess);
861         } 
862         
863         /* Save the requested allocation size. */
864         allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
865 #ifdef LARGE_SMB_OFF_T
866         allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
867 #endif
868         if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
869                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
870                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
871                         close_file(fsp,False);
872                         END_PROFILE(SMBntcreateX);
873                         return ERROR_NT(NT_STATUS_DISK_FULL);
874                 }
875         } else {
876                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
877         }
878
879         /* 
880          * If the caller set the extended oplock request bit
881          * and we granted one (by whatever means) - set the
882          * correct bit for extended oplock reply.
883          */
884         
885         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
886                 extended_oplock_granted = True;
887         
888         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
889                 extended_oplock_granted = True;
890
891 #if 0
892         /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
893         set_message(outbuf,42,0,True);
894 #else
895         set_message(outbuf,34,0,True);
896 #endif
897         
898         p = outbuf + smb_vwv2;
899         
900         /*
901          * Currently as we don't support level II oplocks we just report
902          * exclusive & batch here.
903          */
904
905         if (extended_oplock_granted) {
906                 if (flags & REQUEST_BATCH_OPLOCK) {
907                         SCVAL(p,0, BATCH_OPLOCK_RETURN);
908                 } else {
909                         SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
910                 }
911         } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
912                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
913         } else {
914                 SCVAL(p,0,NO_OPLOCK_RETURN);
915         }
916         
917         p++;
918         SSVAL(p,0,fsp->fnum);
919         p += 2;
920         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
921                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
922         else
923                 SIVAL(p,0,smb_action);
924         p += 4;
925         
926         /* Create time. */  
927         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
928
929         if (lp_dos_filetime_resolution(SNUM(conn))) {
930                 c_time &= ~1;
931                 sbuf.st_atime &= ~1;
932                 sbuf.st_mtime &= ~1;
933                 sbuf.st_mtime &= ~1;
934         }
935
936         put_long_date(p,c_time);
937         p += 8;
938         put_long_date(p,sbuf.st_atime); /* access time */
939         p += 8;
940         put_long_date(p,sbuf.st_mtime); /* write time */
941         p += 8;
942         put_long_date(p,sbuf.st_mtime); /* change time */
943         p += 8;
944         SIVAL(p,0,fmode); /* File Attributes. */
945         p += 4;
946         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
947         p += 8;
948         SOFF_T(p,0,file_len);
949         p += 12;
950         SCVAL(p,0,fsp->is_directory ? 1 : 0);
951         
952         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
953
954         result = chain_reply(inbuf,outbuf,length,bufsize);
955         END_PROFILE(SMBntcreateX);
956         return result;
957 }
958
959 /****************************************************************************
960  Reply to a NT_TRANSACT_CREATE call to open a pipe.
961 ****************************************************************************/
962
963 static int do_nt_transact_create_pipe( connection_struct *conn,
964                                         char *inbuf, char *outbuf, int length, 
965                                         int bufsize, char **ppsetup, char **ppparams, 
966                                         char **ppdata)
967 {
968         pstring fname;
969         int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
970         char *params = *ppparams;
971         int ret;
972         int pnum = -1;
973         char *p = NULL;
974
975         /*
976          * Ensure minimum number of parameters sent.
977          */
978
979         if(total_parameter_count < 54) {
980                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
981                 return ERROR_DOS(ERRDOS,ERRnoaccess);
982         }
983
984         srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
985
986         if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0)
987                 return ret;
988         
989         /* Realloc the size of parameters and data we will return */
990         params = nttrans_realloc(ppparams, 69);
991         if(params == NULL)
992                 return ERROR_DOS(ERRDOS,ERRnomem);
993         
994         p = params;
995         SCVAL(p,0,NO_OPLOCK_RETURN);
996         
997         p += 2;
998         SSVAL(p,0,pnum);
999         p += 2;
1000         SIVAL(p,0,FILE_WAS_OPENED);
1001         p += 8;
1002         
1003         p += 32;
1004         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
1005         p += 20;
1006         /* File type. */
1007         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
1008         /* Device state. */
1009         SSVAL(p,2, 0x5FF); /* ? */
1010         
1011         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
1012         
1013         /* Send the required number of replies */
1014         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1015         
1016         return -1;
1017 }
1018
1019 /****************************************************************************
1020  Internal fn to set security descriptors.
1021 ****************************************************************************/
1022
1023 static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
1024 {
1025         prs_struct pd;
1026         SEC_DESC *psd = NULL;
1027         TALLOC_CTX *mem_ctx;
1028         BOOL ret;
1029         
1030         if (sd_len == 0) {
1031                 return NT_STATUS_OK;
1032         }
1033
1034         /*
1035          * Init the parse struct we will unmarshall from.
1036          */
1037
1038         if ((mem_ctx = talloc_init("set_sd")) == NULL) {
1039                 DEBUG(0,("set_sd: talloc_init failed.\n"));
1040                 return NT_STATUS_NO_MEMORY;
1041         }
1042
1043         prs_init(&pd, 0, mem_ctx, UNMARSHALL);
1044
1045         /*
1046          * Setup the prs_struct to point at the memory we just
1047          * allocated.
1048          */
1049         
1050         prs_give_memory( &pd, data, sd_len, False);
1051
1052         /*
1053          * Finally, unmarshall from the data buffer.
1054          */
1055
1056         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1057                 DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
1058                 /*
1059                  * Return access denied for want of a better error message..
1060                  */ 
1061                 talloc_destroy(mem_ctx);
1062                 return NT_STATUS_NO_MEMORY;
1063         }
1064         
1065         if (psd->off_owner_sid==0)
1066                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
1067         if (psd->off_grp_sid==0)
1068                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
1069         if (psd->off_sacl==0)
1070                 security_info_sent &= ~SACL_SECURITY_INFORMATION;
1071         if (psd->off_dacl==0)
1072                 security_info_sent &= ~DACL_SECURITY_INFORMATION;
1073         
1074         ret = VFS_FSET_NT_ACL( fsp, fsp->fd, security_info_sent, psd);
1075         
1076         if (!ret) {
1077                 talloc_destroy(mem_ctx);
1078                 return NT_STATUS_ACCESS_DENIED;
1079         }
1080         
1081         talloc_destroy(mem_ctx);
1082         
1083         return NT_STATUS_OK;
1084 }
1085
1086 /****************************************************************************
1087  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1088 ****************************************************************************/
1089
1090 static int call_nt_transact_create(connection_struct *conn,
1091                                         char *inbuf, char *outbuf, int length, 
1092                                         int bufsize, char **ppsetup, char **ppparams, 
1093                                         char **ppdata)
1094 {
1095         pstring fname;
1096         char *params = *ppparams;
1097         char *data = *ppdata;
1098         int total_parameter_count = (int)IVAL(inbuf, smb_nt_TotalParameterCount);
1099         /* Breakout the oplock request bits so we can set the reply bits separately. */
1100         int oplock_request = 0;
1101         mode_t unixmode;
1102         int fmode=0,rmode=0;
1103         SMB_OFF_T file_len = 0;
1104         SMB_STRUCT_STAT sbuf;
1105         int smb_action = 0;
1106         BOOL bad_path = False;
1107         files_struct *fsp = NULL;
1108         char *p = NULL;
1109         BOOL extended_oplock_granted = False;
1110         uint32 flags;
1111         uint32 desired_access;
1112         uint32 file_attributes;
1113         uint32 share_access;
1114         uint32 create_disposition;
1115         uint32 create_options;
1116         uint32 sd_len;
1117         uint16 root_dir_fid;
1118         SMB_BIG_UINT allocation_size = 0;
1119         int smb_ofun;
1120         int smb_open_mode;
1121         int smb_attr;
1122         time_t c_time;
1123         NTSTATUS nt_status;
1124
1125         DEBUG(5,("call_nt_transact_create\n"));
1126
1127         /*
1128          * If it's an IPC, use the pipe handler.
1129          */
1130
1131         if (IS_IPC(conn)) {
1132                 if (lp_nt_pipe_support())
1133                         return do_nt_transact_create_pipe(conn, inbuf, outbuf, length, 
1134                                         bufsize, ppsetup, ppparams, ppdata);
1135                 else
1136                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1137         }
1138
1139         /*
1140          * Ensure minimum number of parameters sent.
1141          */
1142
1143         if(total_parameter_count < 54) {
1144                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)total_parameter_count));
1145                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1146         }
1147
1148         flags = IVAL(params,0);
1149         desired_access = IVAL(params,8);
1150         file_attributes = IVAL(params,20);
1151         share_access = IVAL(params,24);
1152         create_disposition = IVAL(params,28);
1153         create_options = IVAL(params,32);
1154         sd_len = IVAL(params,36);
1155         root_dir_fid = (uint16)IVAL(params,4);
1156         smb_attr = (file_attributes & SAMBA_ATTRIBUTES_MASK);
1157
1158         if (create_options & FILE_OPEN_BY_FILE_ID) {
1159                 END_PROFILE(SMBntcreateX);
1160                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1161         }
1162
1163         /* 
1164          * We need to construct the open_and_X ofun value from the
1165          * NT values, as that's what our code is structured to accept.
1166          */    
1167
1168         if((smb_ofun = map_create_disposition( create_disposition )) == -1)
1169                 return ERROR_DOS(ERRDOS,ERRbadmem);
1170
1171         /*
1172          * Get the file name.
1173          */
1174
1175         if(root_dir_fid != 0) {
1176                 /*
1177                  * This filename is relative to a directory fid.
1178                  */
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                 if(!dir_fsp->is_directory) {
1187
1188                         srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
1189
1190                         /*
1191                          * Check to see if this is a mac fork of some kind.
1192                          */
1193
1194                         if( strchr_m(fname, ':'))
1195                                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1196
1197                         return ERROR_DOS(ERRDOS,ERRbadfid);
1198                 }
1199
1200                 /*
1201                  * Copy in the base directory name.
1202                  */
1203
1204                 pstrcpy( fname, dir_fsp->fsp_name );
1205                 dir_name_len = strlen(fname);
1206
1207                 /*
1208                  * Ensure it ends in a '\'.
1209                  */
1210
1211                 if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
1212                         pstrcat(fname, "\\");
1213                         dir_name_len++;
1214                 }
1215
1216                 srvstr_pull(inbuf, &fname[dir_name_len], params+53, sizeof(fname)-dir_name_len, 
1217                                 total_parameter_count-53, STR_TERMINATE);
1218         } else {
1219                 srvstr_pull(inbuf, fname, params+53, sizeof(fname), total_parameter_count-53, STR_TERMINATE);
1220
1221                 /*
1222                  * Check to see if this is a mac fork of some kind.
1223                  */
1224
1225                 if( strchr_m(fname, ':'))
1226                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1227         }
1228
1229         /*
1230          * Now contruct the smb_open_mode value from the desired access
1231          * and the share access.
1232          */
1233
1234         if((smb_open_mode = map_share_mode( fname, create_options, &desired_access,
1235                                                 share_access, file_attributes)) == -1)
1236                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1237
1238         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1239         oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1240
1241         /*
1242          * Check if POSIX semantics are wanted.
1243          */
1244
1245         set_posix_case_semantics(file_attributes);
1246     
1247         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1248
1249         unix_convert(fname,conn,0,&bad_path,&sbuf);
1250     
1251         unixmode = unix_mode(conn,smb_attr | aARCH, fname);
1252    
1253         /*
1254          * If it's a request for a directory open, deal with it separately.
1255          */
1256
1257         if(create_options & FILE_DIRECTORY_FILE) {
1258
1259                 /* Can't open a temp directory. IFS kit test. */
1260                 if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
1261                         END_PROFILE(SMBntcreateX);
1262                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
1263                 }
1264
1265                 oplock_request = 0;
1266
1267                 /*
1268                  * We will get a create directory here if the Win32
1269                  * app specified a security descriptor in the 
1270                  * CreateDirectory() call.
1271                  */
1272
1273                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1274
1275                 if(!fsp) {
1276                         restore_case_semantics(file_attributes);
1277                         set_bad_path_error(errno, bad_path);
1278                         return(UNIXERROR(ERRDOS,ERRnoaccess));
1279                 }
1280
1281         } else {
1282
1283                 /*
1284                  * Ordinary file case.
1285                  */
1286
1287                 fsp = open_file_shared1(conn,fname,&sbuf,desired_access,
1288                                                 smb_open_mode,smb_ofun,unixmode,
1289                                                 oplock_request,&rmode,&smb_action);
1290
1291                 if (!fsp) { 
1292
1293                         if(errno == EISDIR) {
1294
1295                                 /*
1296                                  * Fail the open if it was explicitly a non-directory file.
1297                                  */
1298
1299                                 if (create_options & FILE_NON_DIRECTORY_FILE) {
1300                                         restore_case_semantics(file_attributes);
1301                                         SSVAL(outbuf, smb_flg2, SVAL(outbuf,smb_flg2) | FLAGS2_32_BIT_ERROR_CODES);
1302                                         return ERROR_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
1303                                 }
1304         
1305                                 oplock_request = 0;
1306                                 fsp = open_directory(conn, fname, &sbuf, desired_access, smb_open_mode, smb_ofun, unixmode, &smb_action);
1307                                 
1308                                 if(!fsp) {
1309                                         restore_case_semantics(file_attributes);
1310                                         set_bad_path_error(errno, bad_path);
1311                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
1312                                 }
1313                         } else {
1314                                 restore_case_semantics(file_attributes);
1315                                 set_bad_path_error(errno, bad_path);
1316                                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1317                         }
1318                 } 
1319   
1320                 file_len = sbuf.st_size;
1321                 fmode = dos_mode(conn,fname,&sbuf);
1322                 if(fmode == 0)
1323                         fmode = FILE_ATTRIBUTE_NORMAL;
1324
1325                 if (fmode & aDIR) {
1326                         close_file(fsp,False);
1327                         restore_case_semantics(file_attributes);
1328                         return ERROR_DOS(ERRDOS,ERRnoaccess);
1329                 } 
1330
1331                 /* 
1332                  * If the caller set the extended oplock request bit
1333                  * and we granted one (by whatever means) - set the
1334                  * correct bit for extended oplock reply.
1335                  */
1336     
1337                 if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1338                         extended_oplock_granted = True;
1339   
1340                 if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1341                         extended_oplock_granted = True;
1342         }
1343
1344         /*
1345          * Now try and apply the desired SD.
1346          */
1347
1348         if (sd_len && !NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION))) {
1349                 close_file(fsp,False);
1350                 restore_case_semantics(file_attributes);
1351                 return ERROR_NT(nt_status);
1352         }
1353         
1354         restore_case_semantics(file_attributes);
1355
1356         /* Save the requested allocation size. */
1357         allocation_size = (SMB_BIG_UINT)IVAL(params,12);
1358 #ifdef LARGE_SMB_OFF_T
1359         allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
1360 #endif
1361         if (allocation_size && (allocation_size > file_len)) {
1362                 fsp->initial_allocation_size = SMB_ROUNDUP(allocation_size,SMB_ROUNDUP_ALLOCATION_SIZE);
1363                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1364                         close_file(fsp,False);
1365                         END_PROFILE(SMBntcreateX);
1366                         return ERROR_NT(NT_STATUS_DISK_FULL);
1367                 }
1368         } else {
1369                 fsp->initial_allocation_size = SMB_ROUNDUP(((SMB_BIG_UINT)file_len),SMB_ROUNDUP_ALLOCATION_SIZE);
1370         }
1371
1372         /* Realloc the size of parameters and data we will return */
1373         params = nttrans_realloc(ppparams, 69);
1374         if(params == NULL)
1375                 return ERROR_DOS(ERRDOS,ERRnomem);
1376
1377         p = params;
1378         if (extended_oplock_granted)
1379                 SCVAL(p,0, BATCH_OPLOCK_RETURN);
1380         else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type))
1381                 SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
1382         else
1383                 SCVAL(p,0,NO_OPLOCK_RETURN);
1384         
1385         p += 2;
1386         SSVAL(p,0,fsp->fnum);
1387         p += 2;
1388         if ((create_disposition == FILE_SUPERSEDE) && (smb_action == FILE_WAS_OVERWRITTEN))
1389                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1390         else
1391                 SIVAL(p,0,smb_action);
1392         p += 8;
1393
1394         /* Create time. */
1395         c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1396
1397         if (lp_dos_filetime_resolution(SNUM(conn))) {
1398                 c_time &= ~1;
1399                 sbuf.st_atime &= ~1;
1400                 sbuf.st_mtime &= ~1;
1401                 sbuf.st_mtime &= ~1;
1402         }
1403
1404         put_long_date(p,c_time);
1405         p += 8;
1406         put_long_date(p,sbuf.st_atime); /* access time */
1407         p += 8;
1408         put_long_date(p,sbuf.st_mtime); /* write time */
1409         p += 8;
1410         put_long_date(p,sbuf.st_mtime); /* change time */
1411         p += 8;
1412         SIVAL(p,0,fmode); /* File Attributes. */
1413         p += 4;
1414         SOFF_T(p, 0, get_allocation_size(fsp,&sbuf));
1415         p += 8;
1416         SOFF_T(p,0,file_len);
1417
1418         DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
1419
1420         /* Send the required number of replies */
1421         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
1422
1423         return -1;
1424 }
1425
1426 /****************************************************************************
1427  Reply to a NT CANCEL request.
1428 ****************************************************************************/
1429
1430 int reply_ntcancel(connection_struct *conn,
1431                    char *inbuf,char *outbuf,int length,int bufsize)
1432 {
1433         /*
1434          * Go through and cancel any pending change notifies.
1435          */
1436         
1437         int mid = SVAL(inbuf,smb_mid);
1438         START_PROFILE(SMBntcancel);
1439         remove_pending_change_notify_requests_by_mid(mid);
1440         remove_pending_lock_requests_by_mid(mid);
1441         
1442         DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
1443
1444         END_PROFILE(SMBntcancel);
1445         return(-1);
1446 }
1447
1448 /****************************************************************************
1449  Reply to an unsolicited SMBNTtranss - just ignore it!
1450 ****************************************************************************/
1451
1452 int reply_nttranss(connection_struct *conn,
1453                    char *inbuf,char *outbuf,int length,int bufsize)
1454 {
1455         START_PROFILE(SMBnttranss);
1456         DEBUG(4,("Ignoring nttranss of length %d\n",length));
1457         END_PROFILE(SMBnttranss);
1458         return(-1);
1459 }
1460
1461 /****************************************************************************
1462  Reply to a notify change - queue the request and 
1463  don't allow a directory to be opened.
1464 ****************************************************************************/
1465
1466 static int call_nt_transact_notify_change(connection_struct *conn,
1467                                    char *inbuf, char *outbuf, int length,
1468                                    int bufsize, 
1469                                    char **ppsetup, 
1470                                    char **ppparams, char **ppdata)
1471 {
1472         char *setup = *ppsetup;
1473         files_struct *fsp;
1474         uint32 flags;
1475
1476         fsp = file_fsp(setup,4);
1477         flags = IVAL(setup, 0);
1478
1479         DEBUG(3,("call_nt_transact_notify_change\n"));
1480
1481         if(!fsp)
1482                 return ERROR_DOS(ERRDOS,ERRbadfid);
1483
1484         if((!fsp->is_directory) || (conn != fsp->conn))
1485                 return ERROR_DOS(ERRDOS,ERRbadfid);
1486
1487         if (!change_notify_set(inbuf, fsp, conn, flags))
1488                 return(UNIXERROR(ERRDOS,ERRbadfid));
1489
1490         DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
1491 name = %s\n", fsp->fsp_name ));
1492
1493         return -1;
1494 }
1495
1496 /****************************************************************************
1497  Reply to an NT transact rename command.
1498 ****************************************************************************/
1499
1500 static int call_nt_transact_rename(connection_struct *conn,
1501                                    char *inbuf, char *outbuf, int length, 
1502                                    int bufsize,
1503                                    char **ppsetup, char **ppparams, char **ppdata)
1504 {
1505         char *params = *ppparams;
1506         pstring new_name;
1507         files_struct *fsp = file_fsp(params, 0);
1508         BOOL replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
1509         NTSTATUS status;
1510
1511         CHECK_FSP(fsp, conn);
1512         srvstr_pull(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE);
1513
1514         status = rename_internals(conn, fsp->fsp_name,
1515                                   new_name, replace_if_exists);
1516         if (!NT_STATUS_IS_OK(status))
1517                 return ERROR_NT(status);
1518
1519         /*
1520          * Rename was successful.
1521          */
1522         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1523         
1524         DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n", 
1525                  fsp->fsp_name, new_name));
1526         
1527         /*
1528          * Win2k needs a changenotify request response before it will
1529          * update after a rename..
1530          */
1531         
1532         process_pending_change_notify_queue((time_t)0);
1533
1534         return -1;
1535 }
1536
1537 /******************************************************************************
1538  Fake up a completely empty SD.
1539 *******************************************************************************/
1540
1541 static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1542 {
1543         extern DOM_SID global_sid_World;
1544         size_t sd_size;
1545
1546         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1547         if(!*ppsd) {
1548                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1549                 sd_size = 0;
1550         }
1551
1552         return sd_size;
1553 }
1554
1555 /****************************************************************************
1556  Reply to query a security descriptor - currently this is not implemented (it
1557  is planned to be though). Right now it just returns the same thing NT would
1558  when queried on a FAT filesystem. JRA.
1559 ****************************************************************************/
1560
1561 static int call_nt_transact_query_security_desc(connection_struct *conn,
1562                                                 char *inbuf, char *outbuf, 
1563                                                 int length, int bufsize, 
1564                                                 char **ppsetup, char **ppparams, char **ppdata)
1565 {
1566         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1567         char *params = *ppparams;
1568         char *data = *ppdata;
1569         prs_struct pd;
1570         SEC_DESC *psd = NULL;
1571         size_t sd_size;
1572         TALLOC_CTX *mem_ctx;
1573
1574         files_struct *fsp = file_fsp(params,0);
1575
1576         if(!fsp)
1577                 return ERROR_DOS(ERRDOS,ERRbadfid);
1578
1579         DEBUG(3,("call_nt_transact_query_security_desc: file = %s\n", fsp->fsp_name ));
1580
1581         params = nttrans_realloc(ppparams, 4);
1582         if(params == NULL)
1583                 return ERROR_DOS(ERRDOS,ERRnomem);
1584
1585         if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
1586                 DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
1587                 return ERROR_DOS(ERRDOS,ERRnomem);
1588         }
1589
1590         /*
1591          * Get the permissions to return.
1592          */
1593
1594         if (!lp_nt_acl_support(SNUM(conn)))
1595                 sd_size = get_null_nt_acl(mem_ctx, &psd);
1596         else
1597                 sd_size = VFS_FGET_NT_ACL(fsp, fsp->fd, &psd);
1598
1599         if (sd_size == 0) {
1600                 talloc_destroy(mem_ctx);
1601                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1602         }
1603
1604         DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %d.\n",(int)sd_size));
1605
1606         SIVAL(params,0,(uint32)sd_size);
1607
1608         if(max_data_count < sd_size) {
1609
1610                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
1611                         params, 4, *ppdata, 0);
1612                 talloc_destroy(mem_ctx);
1613                 return -1;
1614         }
1615
1616         /*
1617          * Allocate the data we will point this at.
1618          */
1619
1620         data = nttrans_realloc(ppdata, sd_size);
1621         if(data == NULL) {
1622                 talloc_destroy(mem_ctx);
1623                 return ERROR_DOS(ERRDOS,ERRnomem);
1624         }
1625
1626         /*
1627          * Init the parse struct we will marshall into.
1628          */
1629
1630         prs_init(&pd, 0, mem_ctx, MARSHALL);
1631
1632         /*
1633          * Setup the prs_struct to point at the memory we just
1634          * allocated.
1635          */
1636
1637         prs_give_memory( &pd, data, (uint32)sd_size, False);
1638
1639         /*
1640          * Finally, linearize into the outgoing buffer.
1641          */
1642
1643         if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
1644                 DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
1645 security descriptor.\n"));
1646                 /*
1647                  * Return access denied for want of a better error message..
1648                  */ 
1649                 talloc_destroy(mem_ctx);
1650                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1651         }
1652
1653         /*
1654          * Now we can delete the security descriptor.
1655          */
1656
1657         talloc_destroy(mem_ctx);
1658
1659         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
1660         return -1;
1661 }
1662
1663 /****************************************************************************
1664  Reply to set a security descriptor. Map to UNIX perms.
1665 ****************************************************************************/
1666
1667 static int call_nt_transact_set_security_desc(connection_struct *conn,
1668                                                                         char *inbuf, char *outbuf, int length,
1669                                                                         int bufsize, char **ppsetup, 
1670                                                                         char **ppparams, char **ppdata)
1671 {
1672         uint32 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
1673         char *params= *ppparams;
1674         char *data = *ppdata;
1675         uint32 total_data_count = (uint32)IVAL(inbuf, smb_nts_TotalDataCount);
1676         files_struct *fsp = NULL;
1677         uint32 security_info_sent = 0;
1678         NTSTATUS nt_status;
1679
1680         if(total_parameter_count < 8)
1681                 return ERROR_DOS(ERRDOS,ERRbadfunc);
1682
1683         if((fsp = file_fsp(params,0)) == NULL)
1684                 return ERROR_DOS(ERRDOS,ERRbadfid);
1685
1686         if(!lp_nt_acl_support(SNUM(conn)))
1687                 goto done;
1688
1689         security_info_sent = IVAL(params,4);
1690
1691         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1692                 (unsigned int)security_info_sent ));
1693
1694         if (total_data_count == 0)
1695                 return ERROR_DOS(ERRDOS, ERRnoaccess);
1696
1697         if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, total_data_count, security_info_sent)))
1698                 return ERROR_NT(nt_status);
1699
1700   done:
1701
1702         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1703         return -1;
1704 }
1705    
1706 /****************************************************************************
1707  Reply to NT IOCTL
1708 ****************************************************************************/
1709 static int call_nt_transact_ioctl(connection_struct *conn,
1710                                   char *inbuf, char *outbuf, int length,
1711                                   int bufsize, 
1712                                   char **ppsetup, int setup_count,
1713                                   char **ppparams, int parameter_count,
1714                                   char **ppdata, int data_count)
1715 {
1716         unsigned fnum, control;
1717         static BOOL logged_message;
1718         char *pdata = *ppdata;
1719
1720         if (setup_count != 8) {
1721                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1722                 return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1723         }
1724
1725         fnum = SVAL(*ppsetup, 4);
1726         control = IVAL(*ppsetup, 0);
1727
1728         DEBUG(10,("call_nt_transact_ioctl: fnum=%d control=0x%08x\n", 
1729                  fnum, control));
1730
1731         switch (control) {
1732         case FSCTL_SET_SPARSE:
1733                 /* pretend this succeeded - tho strictly we should
1734                    mark the file sparse (if the local fs supports it)
1735                    so we can know if we need to pre-allocate or not */
1736
1737                 DEBUG(10,("FSCTL_SET_SPARSE: fnum=%d control=0x%08x\n",fnum,control));
1738                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1739                 return -1;
1740         
1741         case FSCTL_0x000900C0:
1742                 /* pretend this succeeded - don't know what this really is
1743                    but works ok like this --metze
1744                  */
1745
1746                 DEBUG(1,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
1747                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1748                 return -1;
1749
1750         case FSCTL_GET_REPARSE_POINT:
1751                 /* pretend this fail - my winXP does it like this
1752                  * --metze
1753                  */
1754
1755                 DEBUG(1,("FSCTL_GET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
1756                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1757                 return -1;
1758
1759         case FSCTL_SET_REPARSE_POINT:
1760                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1761                  * --metze
1762                  */
1763
1764                 DEBUG(1,("FSCTL_SET_REPARSE_POINT: fnum=%d control=0x%08x\n",fnum,control));
1765                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
1766                 return -1;
1767                         
1768         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
1769         {
1770                 /* pretend this succeeded - 
1771                  * 
1772                  * we have to send back a list with all files owned by this SID
1773                  *
1774                  * but I have to check that --metze
1775                  */ 
1776                    
1777                 DOM_SID sid;
1778                 uid_t uid;
1779                 enum SID_NAME_USE sid_use = 0;
1780                 size_t sid_len=SID_MAX_SIZE;
1781                 
1782                 DEBUG(1,("FSCTL_FIND_FILES_BY_SID: fnum=%d control=0x%08x\n",fnum,control));
1783                 
1784                 /* this is not the length of the sid :-( so unknown 4 bytes */
1785                 /*sid_len = IVAL(pdata,0);      
1786                 DEBUGADD(0,("sid_len: (%u)\n",sid_len));*/
1787                 
1788                 sid_parse(pdata+4,sid_len,&sid);
1789                 DEBUGADD(2,("SID: %s\n",sid_string_static(&sid)));
1790
1791                 if (!sid_to_uid(&sid, &uid, &sid_use)
1792                         ||sid_use!=SID_NAME_USER) {
1793                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_use: %d\n",
1794                                 sid_string_static(&sid),sid_use));
1795                         uid = (-1);
1796                 }
1797                 
1798                 /* we can take a look at the find source :-)
1799                  *
1800                  * find ./ -uid $uid  -name '*'   is what we need here
1801                  *
1802                  *
1803                  * and send 4bytes len and then NULL terminated unicode strings
1804                  * for each file
1805                  *
1806                  * but I don't know how to deal with the paged results
1807                  *
1808                  * we don't send all files at once
1809                  * and at the next we should *not* start from the beginning, 
1810                  * so we have to cache the result 
1811                  *
1812                  * --metze
1813                  */
1814                 
1815                 /* this works for now... */
1816                 send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
1817                 return -1;      
1818         }       
1819         default:
1820                 if (!logged_message) {
1821                         logged_message = True; /* Only print this once... */
1822                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
1823                                  control));
1824                 }
1825         }
1826
1827         return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
1828 }
1829
1830
1831 /****************************************************************************
1832  Reply to get user quota 
1833 ****************************************************************************/
1834
1835 static int call_nt_transact_get_user_quota(connection_struct *conn,
1836                                                 char *inbuf, char *outbuf, 
1837                                                 int length, int bufsize, 
1838                                                 char **ppsetup, int setup_count,
1839                                                 char **ppparams, int params_count,
1840                                                 char **ppdata, int data_count)
1841 {
1842         NTSTATUS nt_status = NT_STATUS_OK;
1843         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
1844         char *params = *ppparams;
1845         char *pdata = *ppdata;
1846         char *entry;
1847         int data_len=0,param_len=0;
1848         int qt_len=0;
1849         int entry_len = 0;
1850         files_struct *fsp = NULL;
1851         uint16 level = 0;
1852         size_t sid_len;
1853         DOM_SID sid;
1854         BOOL start_enum = True;
1855         SMB_NTQUOTA_STRUCT qt;
1856         SMB_NTQUOTA_LIST *tmp_list;
1857         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
1858
1859         ZERO_STRUCT(qt);
1860
1861         /* access check */
1862         if (conn->admin_user != True) {
1863                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
1864                         lp_servicename(SNUM(conn)),conn->user));
1865                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1866         }
1867
1868         /*
1869          * Ensure minimum number of parameters sent.
1870          */
1871
1872         if (params_count < 4) {
1873                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",params_count));
1874                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
1875         }
1876         
1877         /* maybe we can check the quota_fnum */
1878         fsp = file_fsp(params,0);
1879         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
1880                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
1881                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
1882         }
1883
1884         /* the NULL pointer cheking for fsp->fake_file_handle->pd
1885          * is done by CHECK_NTQUOTA_HANDLE_OK()
1886          */
1887         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
1888
1889         level = SVAL(params,2);
1890         
1891         /* unknown 12 bytes leading in params */ 
1892         
1893         switch (level) {
1894                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
1895                         /* seems that we should continue with the enum here --metze */
1896
1897                         if (qt_handle->quota_list!=NULL && 
1898                             qt_handle->tmp_list==NULL) {
1899                 
1900                                 /* free the list */
1901                                 free_ntquota_list(&(qt_handle->quota_list));
1902
1903                                 /* Realloc the size of parameters and data we will return */
1904                                 param_len = 4;
1905                                 params = nttrans_realloc(ppparams, param_len);
1906                                 if(params == NULL)
1907                                         return ERROR_DOS(ERRDOS,ERRnomem);
1908
1909                                 data_len = 0;
1910                                 SIVAL(params,0,data_len);
1911
1912                                 break;
1913                         }
1914
1915                         start_enum = False;
1916
1917                 case TRANSACT_GET_USER_QUOTA_LIST_START:
1918
1919                         if (qt_handle->quota_list==NULL &&
1920                                 qt_handle->tmp_list==NULL) {
1921                                 start_enum = True;
1922                         }
1923
1924                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
1925                                 return ERROR_DOS(ERRSRV,ERRerror);
1926
1927                         /* Realloc the size of parameters and data we will return */
1928                         param_len = 4;
1929                         params = nttrans_realloc(ppparams, param_len);
1930                         if(params == NULL)
1931                                 return ERROR_DOS(ERRDOS,ERRnomem);
1932
1933                         /* we should not trust the value in max_data_count*/
1934                         max_data_count = MIN(max_data_count,2048);
1935                         
1936                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
1937                         if(pdata == NULL)
1938                                 return ERROR_DOS(ERRDOS,ERRnomem);
1939
1940                         entry = pdata;
1941
1942
1943                         /* set params Size of returned Quota Data 4 bytes*/
1944                         /* but set it later when we know it */
1945                 
1946                         /* for each entry push the data */
1947
1948                         if (start_enum) {
1949                                 qt_handle->tmp_list = qt_handle->quota_list;
1950                         }
1951
1952                         tmp_list = qt_handle->tmp_list;
1953
1954                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
1955                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
1956
1957                                 sid_len = sid_size(&tmp_list->quotas->sid);
1958                                 entry_len = 40 + sid_len;
1959
1960                                 /* nextoffset entry 4 bytes */
1961                                 SIVAL(entry,0,entry_len);
1962                 
1963                                 /* then the len of the SID 4 bytes */
1964                                 SIVAL(entry,4,sid_len);
1965                                 
1966                                 /* unknown data 8 bytes SMB_BIG_UINT */
1967                                 SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
1968                                 
1969                                 /* the used disk space 8 bytes SMB_BIG_UINT */
1970                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
1971                                 
1972                                 /* the soft quotas 8 bytes SMB_BIG_UINT */
1973                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
1974                                 
1975                                 /* the hard quotas 8 bytes SMB_BIG_UINT */
1976                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
1977                                 
1978                                 /* and now the SID */
1979                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
1980                         }
1981                         
1982                         qt_handle->tmp_list = tmp_list;
1983                         
1984                         /* overwrite the offset of the last entry */
1985                         SIVAL(entry-entry_len,0,0);
1986
1987                         data_len = 4+qt_len;
1988                         /* overwrite the params quota_data_len */
1989                         SIVAL(params,0,data_len);
1990
1991                         break;
1992
1993                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
1994                         
1995                         /* unknown 4 bytes IVAL(pdata,0) */     
1996                         
1997                         if (data_count < 8) {
1998                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
1999                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);                               
2000                         }
2001
2002                         sid_len = IVAL(pdata,4);
2003
2004                         if (data_count < 8+sid_len) {
2005                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8+sid_len));
2006                                 return ERROR_DOS(ERRDOS,ERRunknownlevel);                               
2007                         }
2008
2009                         data_len = 4+40+sid_len;
2010
2011                         if (max_data_count < data_len) {
2012                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2013                                         max_data_count, data_len));
2014                                 param_len = 4;
2015                                 SIVAL(params,0,data_len);
2016                                 data_len = 0;
2017                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2018                                 break;
2019                         }
2020
2021                         sid_parse(pdata+8,sid_len,&sid);
2022                 
2023
2024                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2025                                 ZERO_STRUCT(qt);
2026                                 /* 
2027                                  * we have to return zero's in all fields 
2028                                  * instead of returning an error here
2029                                  * --metze
2030                                  */
2031                         }
2032
2033                         /* Realloc the size of parameters and data we will return */
2034                         param_len = 4;
2035                         params = nttrans_realloc(ppparams, param_len);
2036                         if(params == NULL)
2037                                 return ERROR_DOS(ERRDOS,ERRnomem);
2038
2039                         pdata = nttrans_realloc(ppdata, data_len);
2040                         if(pdata == NULL)
2041                                 return ERROR_DOS(ERRDOS,ERRnomem);
2042
2043                         entry = pdata;
2044
2045                         /* set params Size of returned Quota Data 4 bytes*/
2046                         SIVAL(params,0,data_len);
2047         
2048                         /* nextoffset entry 4 bytes */
2049                         SIVAL(entry,0,0);
2050         
2051                         /* then the len of the SID 4 bytes */
2052                         SIVAL(entry,4,sid_len);
2053                         
2054                         /* unknown data 8 bytes SMB_BIG_UINT */
2055                         SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
2056                         
2057                         /* the used disk space 8 bytes SMB_BIG_UINT */
2058                         SBIG_UINT(entry,16,qt.usedspace);
2059                         
2060                         /* the soft quotas 8 bytes SMB_BIG_UINT */
2061                         SBIG_UINT(entry,24,qt.softlim);
2062                         
2063                         /* the hard quotas 8 bytes SMB_BIG_UINT */
2064                         SBIG_UINT(entry,32,qt.hardlim);
2065                         
2066                         /* and now the SID */
2067                         sid_linearize(entry+40, sid_len, &sid);
2068
2069                         break;
2070
2071                 default:
2072                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2073                         return ERROR_DOS(ERRSRV,ERRerror);
2074                         break;
2075         }
2076
2077         send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
2078
2079         return -1;
2080 }
2081
2082 /****************************************************************************
2083  Reply to set user quota
2084 ****************************************************************************/
2085
2086 static int call_nt_transact_set_user_quota(connection_struct *conn,
2087                                                 char *inbuf, char *outbuf, 
2088                                                 int length, int bufsize, 
2089                                                 char **ppsetup, int setup_count,
2090                                                 char **ppparams, int params_count,
2091                                                 char **ppdata, int data_count)
2092 {
2093         char *params = *ppparams;
2094         char *pdata = *ppdata;
2095         int data_len=0,param_len=0;
2096         SMB_NTQUOTA_STRUCT qt;
2097         size_t sid_len;
2098         DOM_SID sid;
2099         files_struct *fsp = NULL;
2100
2101         ZERO_STRUCT(qt);
2102
2103         /* access check */
2104         if (conn->admin_user != True) {
2105                 DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
2106                         lp_servicename(SNUM(conn)),conn->user));
2107                 return ERROR_DOS(ERRDOS,ERRnoaccess);
2108         }
2109
2110         /*
2111          * Ensure minimum number of parameters sent.
2112          */
2113
2114         if (params_count < 2) {
2115                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",params_count));
2116                 return ERROR_DOS(ERRDOS,ERRinvalidparam);
2117         }
2118         
2119         /* maybe we can check the quota_fnum */
2120         fsp = file_fsp(params,0);
2121         if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
2122                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2123                 return ERROR_NT(NT_STATUS_INVALID_HANDLE);
2124         }
2125
2126         if (data_count < 40) {
2127                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2128                 return ERROR_DOS(ERRDOS,ERRunknownlevel);               
2129         }
2130
2131         /* offset to next quota record.
2132          * 4 bytes IVAL(pdata,0)
2133          * unused here...
2134          */
2135
2136         /* sid len */
2137         sid_len = IVAL(pdata,4);
2138
2139         if (data_count < 40+sid_len) {
2140                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40+sid_len));
2141                 return ERROR_DOS(ERRDOS,ERRunknownlevel);               
2142         }
2143
2144         /* unknown 8 bytes in pdata 
2145          * maybe its the change time in NTTIME
2146          */
2147
2148         /* the used space 8 bytes (SMB_BIG_UINT)*/
2149         qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
2150 #ifdef LARGE_SMB_OFF_T
2151         qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
2152 #else /* LARGE_SMB_OFF_T */
2153         if ((IVAL(pdata,20) != 0)&&
2154                 ((qt.usedspace != 0xFFFFFFFF)||
2155                 (IVAL(pdata,20)!=0xFFFFFFFF)))) {
2156                 /* more than 32 bits? */
2157                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2158         }
2159 #endif /* LARGE_SMB_OFF_T */
2160
2161         /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
2162         qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
2163 #ifdef LARGE_SMB_OFF_T
2164         qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
2165 #else /* LARGE_SMB_OFF_T */
2166         if ((IVAL(pdata,28) != 0)&&
2167                 ((qt.softlim != 0xFFFFFFFF)||
2168                 (IVAL(pdata,28)!=0xFFFFFFFF)))) {
2169                 /* more than 32 bits? */
2170                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2171         }
2172 #endif /* LARGE_SMB_OFF_T */
2173
2174         /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
2175         qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
2176 #ifdef LARGE_SMB_OFF_T
2177         qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
2178 #else /* LARGE_SMB_OFF_T */
2179         if ((IVAL(pdata,36) != 0)&&
2180                 ((qt.hardlim != 0xFFFFFFFF)||
2181                 (IVAL(pdata,36)!=0xFFFFFFFF)))) {
2182                 /* more than 32 bits? */
2183                 return ERROR_DOS(ERRDOS,ERRunknownlevel);
2184         }
2185 #endif /* LARGE_SMB_OFF_T */
2186         
2187         sid_parse(pdata+40,sid_len,&sid);
2188         DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
2189
2190         /* 44 unknown bytes left... */
2191
2192         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2193                 return ERROR_DOS(ERRSRV,ERRerror);      
2194         }
2195
2196         send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
2197
2198         return -1;
2199 }
2200
2201 /****************************************************************************
2202  Reply to a SMBNTtrans.
2203 ****************************************************************************/
2204
2205 int reply_nttrans(connection_struct *conn,
2206                         char *inbuf,char *outbuf,int length,int bufsize)
2207 {
2208         int  outsize = 0;
2209 #if 0 /* Not used. */
2210         uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
2211         uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
2212         uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
2213 #endif /* Not used. */
2214         uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
2215         uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
2216         uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
2217         uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
2218         uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
2219         uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
2220         uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
2221         uint16 function_code = SVAL( inbuf, smb_nt_Function);
2222         char *params = NULL, *data = NULL, *setup = NULL;
2223         uint32 num_params_sofar, num_data_sofar;
2224         START_PROFILE(SMBnttrans);
2225
2226         if(global_oplock_break &&
2227                         ((function_code == NT_TRANSACT_CREATE) ||
2228                          (function_code == NT_TRANSACT_RENAME))) {
2229                 /*
2230                  * Queue this open message as we are the process of an oplock break.
2231                  */
2232
2233                 DEBUG(2,("reply_nttrans: queueing message code 0x%x \
2234 due to being in oplock break state.\n", (unsigned int)function_code ));
2235
2236                 push_oplock_pending_smb_message( inbuf, length);
2237                 END_PROFILE(SMBnttrans);
2238                 return -1;
2239         }
2240
2241         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2242                 END_PROFILE(SMBnttrans);
2243                 return ERROR_DOS(ERRSRV,ERRaccess);
2244         }
2245
2246         outsize = set_message(outbuf,0,0,True);
2247
2248         /* 
2249          * All nttrans messages we handle have smb_wct == 19 + setup_count.
2250          * Ensure this is so as a sanity check.
2251          */
2252
2253         if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
2254                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2255                         CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
2256                 goto bad_param;
2257         }
2258     
2259         /* Allocate the space for the setup, the maximum needed parameters and data */
2260
2261         if(setup_count > 0)
2262                 setup = (char *)malloc(setup_count);
2263         if (total_parameter_count > 0)
2264                 params = (char *)malloc(total_parameter_count);
2265         if (total_data_count > 0)
2266                 data = (char *)malloc(total_data_count);
2267  
2268         if ((total_parameter_count && !params)  || (total_data_count && !data) ||
2269                                 (setup_count && !setup)) {
2270                 SAFE_FREE(setup);
2271                 SAFE_FREE(params);
2272                 SAFE_FREE(data);
2273                 DEBUG(0,("reply_nttrans : Out of memory\n"));
2274                 END_PROFILE(SMBnttrans);
2275                 return ERROR_DOS(ERRDOS,ERRnomem);
2276         }
2277
2278         /* Copy the param and data bytes sent with this request into the params buffer */
2279         num_params_sofar = parameter_count;
2280         num_data_sofar = data_count;
2281
2282         if (parameter_count > total_parameter_count || data_count > total_data_count)
2283                 goto bad_param;
2284
2285         if(setup) {
2286                 DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
2287                 if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
2288                                 (smb_nt_SetupStart + setup_count < setup_count))
2289                         goto bad_param;
2290                 if (smb_nt_SetupStart + setup_count > length)
2291                         goto bad_param;
2292
2293                 memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
2294                 dump_data(10, setup, setup_count);
2295         }
2296         if(params) {
2297                 DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
2298                 if ((parameter_offset + parameter_count < parameter_offset) ||
2299                                 (parameter_offset + parameter_count < parameter_count))
2300                         goto bad_param;
2301                 if (smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)
2302                         goto bad_param;
2303
2304                 memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
2305                 dump_data(10, params, parameter_count);
2306         }
2307         if(data) {
2308                 DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
2309                 if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count))
2310                         goto bad_param;
2311                 if (smb_base(inbuf) + data_offset + data_count > inbuf + length)
2312                         goto bad_param;
2313
2314                 memcpy( data, smb_base(inbuf) + data_offset, data_count);
2315                 dump_data(10, data, data_count);
2316         }
2317
2318         if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2319                 /* We need to send an interim response then receive the rest
2320                         of the parameter/data bytes */
2321                 outsize = set_message(outbuf,0,0,True);
2322                 if (!send_smb(smbd_server_fd(),outbuf))
2323                         exit_server("reply_nttrans: send_smb failed.");
2324
2325                 while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
2326                         BOOL ret;
2327                         uint32 parameter_displacement;
2328                         uint32 data_displacement;
2329
2330                         ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
2331
2332                         if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
2333                                 outsize = set_message(outbuf,0,0,True);
2334                                 if(ret) {
2335                                         DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
2336                                 } else {
2337                                         DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
2338                                                 (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
2339                                 }
2340                                 goto bad_param;
2341                         }
2342       
2343                         /* Revise total_params and total_data in case they have changed downwards */
2344                         if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count)
2345                                 total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
2346                         if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count)
2347                                 total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
2348
2349                         parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
2350                         parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
2351                         parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
2352                         num_params_sofar += parameter_count;
2353
2354                         data_count = IVAL(inbuf, smb_nts_DataCount);
2355                         data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
2356                         data_offset = IVAL(inbuf, smb_nts_DataOffset);
2357                         num_data_sofar += data_count;
2358
2359                         if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
2360                                 DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
2361                                 goto bad_param;
2362                         }
2363
2364                         if (parameter_count) {
2365                                 if (parameter_displacement + parameter_count >= total_parameter_count)
2366                                         goto bad_param;
2367                                 if ((parameter_displacement + parameter_count < parameter_displacement) ||
2368                                                 (parameter_displacement + parameter_count < parameter_count))
2369                                         goto bad_param;
2370                                 if (smb_base(inbuf) + parameter_offset + parameter_count >= inbuf + bufsize)
2371                                         goto bad_param;
2372                                 if (parameter_displacement + params < params)
2373                                         goto bad_param;
2374
2375                                 memcpy( &params[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
2376                         }
2377
2378                         if (data_count) {
2379                                 if (data_displacement + data_count >= total_data_count)
2380                                         goto bad_param;
2381                                 if ((data_displacement + data_count < data_displacement) ||
2382                                                 (data_displacement + data_count < data_count))
2383                                         goto bad_param;
2384                                 if (smb_base(inbuf) + data_offset + data_count >= inbuf + bufsize)
2385                                         goto bad_param;
2386                                 if (data_displacement + data < data)
2387                                         goto bad_param;
2388
2389                                 memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
2390                         }
2391                 }
2392         }
2393
2394         if (Protocol >= PROTOCOL_NT1)
2395                 SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
2396
2397         /* Now we must call the relevant NT_TRANS function */
2398         switch(function_code) {
2399                 case NT_TRANSACT_CREATE:
2400                         START_PROFILE_NESTED(NT_transact_create);
2401                         outsize = call_nt_transact_create(conn, inbuf, outbuf,
2402                                         length, bufsize, 
2403                                         &setup, &params, &data);
2404                         END_PROFILE_NESTED(NT_transact_create);
2405                         break;
2406                 case NT_TRANSACT_IOCTL:
2407                         START_PROFILE_NESTED(NT_transact_ioctl);
2408                         outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
2409                                                          length, bufsize, 
2410                                                          &setup, setup_count,
2411                                                          &params, parameter_count, 
2412                                                          &data, data_count);
2413                         END_PROFILE_NESTED(NT_transact_ioctl);
2414                         break;
2415                 case NT_TRANSACT_SET_SECURITY_DESC:
2416                         START_PROFILE_NESTED(NT_transact_set_security_desc);
2417                         outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf, 
2418                                         length, bufsize, 
2419                                         &setup, &params, &data);
2420                         END_PROFILE_NESTED(NT_transact_set_security_desc);
2421                         break;
2422                 case NT_TRANSACT_NOTIFY_CHANGE:
2423                         START_PROFILE_NESTED(NT_transact_notify_change);
2424                         outsize = call_nt_transact_notify_change(conn, inbuf, outbuf, 
2425                                         length, bufsize, 
2426                                         &setup, &params, &data);
2427                         END_PROFILE_NESTED(NT_transact_notify_change);
2428                         break;
2429                 case NT_TRANSACT_RENAME:
2430                         START_PROFILE_NESTED(NT_transact_rename);
2431                         outsize = call_nt_transact_rename(conn, inbuf, outbuf,
2432                                         length, bufsize,
2433                                         &setup, &params, &data);
2434                         END_PROFILE_NESTED(NT_transact_rename);
2435                         break;
2436
2437                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2438                         START_PROFILE_NESTED(NT_transact_query_security_desc);
2439                         outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf, 
2440                                         length, bufsize, 
2441                                         &setup, &params, &data);
2442                         END_PROFILE_NESTED(NT_transact_query_security_desc);
2443                         break;
2444                 case NT_TRANSACT_GET_USER_QUOTA:
2445                         START_PROFILE_NESTED(NT_transact_get_user_quota);
2446                         outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf, 
2447                                                 length, bufsize,
2448                                                 &setup, setup_count,
2449                                                 &params, parameter_count, 
2450                                                 &data, data_count);
2451                         END_PROFILE_NESTED(NT_transact_get_user_quota);
2452                         break;
2453                 case NT_TRANSACT_SET_USER_QUOTA:
2454                         START_PROFILE_NESTED(NT_transact_set_user_quota);
2455                         outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf, 
2456                                                 length, bufsize, 
2457                                                 &setup, setup_count,
2458                                                 &params, parameter_count, 
2459                                                 &data, data_count);
2460                         END_PROFILE_NESTED(NT_transact_set_user_quota);
2461                         break;                                  
2462                 default:
2463                         /* Error in request */
2464                         DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
2465                         SAFE_FREE(setup);
2466                         SAFE_FREE(params);
2467                         SAFE_FREE(data);
2468                         END_PROFILE(SMBnttrans);
2469                         return ERROR_DOS(ERRSRV,ERRerror);
2470         }
2471
2472         /* As we do not know how many data packets will need to be
2473                 returned here the various call_nt_transact_xxxx calls
2474                 must send their own. Thus a call_nt_transact_xxxx routine only
2475                 returns a value other than -1 when it wants to send
2476                 an error packet. 
2477         */
2478
2479         SAFE_FREE(setup);
2480         SAFE_FREE(params);
2481         SAFE_FREE(data);
2482         END_PROFILE(SMBnttrans);
2483         return outsize; /* If a correct response was needed the call_nt_transact_xxxx 
2484                                 calls have already sent it. If outsize != -1 then it is
2485                                 returning an error packet. */
2486
2487  bad_param:
2488
2489         SAFE_FREE(params);
2490         SAFE_FREE(data);
2491         SAFE_FREE(setup);
2492         END_PROFILE(SMBnttrans);
2493         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2494 }