s3:smbd: split out smbd_do_qfilepathinfo() from call_trans2qfilepathinfo()
[ira/wip.git] / source3 / smbd / trans2.c
1 /*
2    Unix SMB/CIFS implementation.
3    SMB transaction2 handling
4    Copyright (C) Jeremy Allison                 1994-2007
5    Copyright (C) Stefan (metze) Metzmacher      2003
6    Copyright (C) Volker Lendecke                2005-2007
7    Copyright (C) Steve French                   2005
8    Copyright (C) James Peach                    2006-2007
9
10    Extensively modified by Andrew Tridgell, 1995
11
12    This program is free software; you can redistribute it and/or modify
13    it under the terms of the GNU General Public License as published by
14    the Free Software Foundation; either version 3 of the License, or
15    (at your option) any later version.
16
17    This program is distributed in the hope that it will be useful,
18    but WITHOUT ANY WARRANTY; without even the implied warranty of
19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20    GNU General Public License for more details.
21
22    You should have received a copy of the GNU General Public License
23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
24 */
25
26 #include "includes.h"
27 #include "version.h"
28 #include "smbd/globals.h"
29 #include "../libcli/auth/libcli_auth.h"
30
31 extern enum protocol_types Protocol;
32
33 #define DIR_ENTRY_SAFETY_MARGIN 4096
34
35 static char *store_file_unix_basic(connection_struct *conn,
36                                 char *pdata,
37                                 files_struct *fsp,
38                                 const SMB_STRUCT_STAT *psbuf);
39
40 static char *store_file_unix_basic_info2(connection_struct *conn,
41                                 char *pdata,
42                                 files_struct *fsp,
43                                 const SMB_STRUCT_STAT *psbuf);
44
45 /********************************************************************
46  Roundup a value to the nearest allocation roundup size boundary.
47  Only do this for Windows clients.
48 ********************************************************************/
49
50 uint64_t smb_roundup(connection_struct *conn, uint64_t val)
51 {
52         uint64_t rval = lp_allocation_roundup_size(SNUM(conn));
53
54         /* Only roundup for Windows clients. */
55         enum remote_arch_types ra_type = get_remote_arch();
56         if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
57                 val = SMB_ROUNDUP(val,rval);
58         }
59         return val;
60 }
61
62 /****************************************************************************
63  Utility functions for dealing with extended attributes.
64 ****************************************************************************/
65
66 /****************************************************************************
67  Refuse to allow clients to overwrite our private xattrs.
68 ****************************************************************************/
69
70 static bool samba_private_attr_name(const char *unix_ea_name)
71 {
72         static const char * const prohibited_ea_names[] = {
73                 SAMBA_POSIX_INHERITANCE_EA_NAME,
74                 SAMBA_XATTR_DOS_ATTRIB,
75                 NULL
76         };
77
78         int i;
79
80         for (i = 0; prohibited_ea_names[i]; i++) {
81                 if (strequal( prohibited_ea_names[i], unix_ea_name))
82                         return true;
83         }
84         if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
85                         strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
86                 return true;
87         }
88         return false;
89 }
90
91 /****************************************************************************
92  Get one EA value. Fill in a struct ea_struct.
93 ****************************************************************************/
94
95 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
96                       files_struct *fsp, const char *fname,
97                       const char *ea_name, struct ea_struct *pea)
98 {
99         /* Get the value of this xattr. Max size is 64k. */
100         size_t attr_size = 256;
101         char *val = NULL;
102         ssize_t sizeret;
103
104  again:
105
106         val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
107         if (!val) {
108                 return NT_STATUS_NO_MEMORY;
109         }
110
111         if (fsp && fsp->fh->fd != -1) {
112                 sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
113         } else {
114                 sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
115         }
116
117         if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
118                 attr_size = 65536;
119                 goto again;
120         }
121
122         if (sizeret == -1) {
123                 return map_nt_error_from_unix(errno);
124         }
125
126         DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
127         dump_data(10, (uint8 *)val, sizeret);
128
129         pea->flags = 0;
130         if (strnequal(ea_name, "user.", 5)) {
131                 pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
132         } else {
133                 pea->name = talloc_strdup(mem_ctx, ea_name);
134         }
135         if (pea->name == NULL) {
136                 TALLOC_FREE(val);
137                 return NT_STATUS_NO_MEMORY;
138         }
139         pea->value.data = (unsigned char *)val;
140         pea->value.length = (size_t)sizeret;
141         return NT_STATUS_OK;
142 }
143
144 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn,
145                                 files_struct *fsp, const char *fname,
146                                 char ***pnames, size_t *pnum_names)
147 {
148         /* Get a list of all xattrs. Max namesize is 64k. */
149         size_t ea_namelist_size = 1024;
150         char *ea_namelist = NULL;
151
152         char *p;
153         char **names, **tmp;
154         size_t num_names;
155         ssize_t sizeret = -1;
156
157         if (!lp_ea_support(SNUM(conn))) {
158                 *pnames = NULL;
159                 *pnum_names = 0;
160                 return NT_STATUS_OK;
161         }
162
163         /*
164          * TALLOC the result early to get the talloc hierarchy right.
165          */
166
167         names = TALLOC_ARRAY(mem_ctx, char *, 1);
168         if (names == NULL) {
169                 DEBUG(0, ("talloc failed\n"));
170                 return NT_STATUS_NO_MEMORY;
171         }
172
173         while (ea_namelist_size <= 65536) {
174
175                 ea_namelist = TALLOC_REALLOC_ARRAY(
176                         names, ea_namelist, char, ea_namelist_size);
177                 if (ea_namelist == NULL) {
178                         DEBUG(0, ("talloc failed\n"));
179                         TALLOC_FREE(names);
180                         return NT_STATUS_NO_MEMORY;
181                 }
182
183                 if (fsp && fsp->fh->fd != -1) {
184                         sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
185                                                      ea_namelist_size);
186                 } else {
187                         sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
188                                                     ea_namelist_size);
189                 }
190
191                 if ((sizeret == -1) && (errno == ERANGE)) {
192                         ea_namelist_size *= 2;
193                 }
194                 else {
195                         break;
196                 }
197         }
198
199         if (sizeret == -1) {
200                 TALLOC_FREE(names);
201                 return map_nt_error_from_unix(errno);
202         }
203
204         DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
205                    (unsigned int)sizeret));
206
207         if (sizeret == 0) {
208                 TALLOC_FREE(names);
209                 *pnames = NULL;
210                 *pnum_names = 0;
211                 return NT_STATUS_OK;
212         }
213
214         /*
215          * Ensure the result is 0-terminated
216          */
217
218         if (ea_namelist[sizeret-1] != '\0') {
219                 TALLOC_FREE(names);
220                 return NT_STATUS_INTERNAL_ERROR;
221         }
222
223         /*
224          * count the names
225          */
226         num_names = 0;
227
228         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
229                 num_names += 1;
230         }
231
232         tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
233         if (tmp == NULL) {
234                 DEBUG(0, ("talloc failed\n"));
235                 TALLOC_FREE(names);
236                 return NT_STATUS_NO_MEMORY;
237         }
238
239         names = tmp;
240         num_names = 0;
241
242         for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
243                 names[num_names++] = p;
244         }
245
246         *pnames = names;
247         *pnum_names = num_names;
248         return NT_STATUS_OK;
249 }
250
251 /****************************************************************************
252  Return a linked list of the total EA's. Plus the total size
253 ****************************************************************************/
254
255 static struct ea_list *get_ea_list_from_file(TALLOC_CTX *mem_ctx, connection_struct *conn, files_struct *fsp,
256                                         const char *fname, size_t *pea_total_len)
257 {
258         /* Get a list of all xattrs. Max namesize is 64k. */
259         size_t i, num_names;
260         char **names;
261         struct ea_list *ea_list_head = NULL;
262         NTSTATUS status;
263
264         *pea_total_len = 0;
265
266         if (!lp_ea_support(SNUM(conn))) {
267                 return NULL;
268         }
269
270         status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
271                                         &names, &num_names);
272
273         if (!NT_STATUS_IS_OK(status) || (num_names == 0)) {
274                 return NULL;
275         }
276
277         for (i=0; i<num_names; i++) {
278                 struct ea_list *listp;
279                 fstring dos_ea_name;
280
281                 if (strnequal(names[i], "system.", 7)
282                     || samba_private_attr_name(names[i]))
283                         continue;
284
285                 listp = TALLOC_P(mem_ctx, struct ea_list);
286                 if (listp == NULL) {
287                         return NULL;
288                 }
289
290                 if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
291                                                   fname, names[i],
292                                                   &listp->ea))) {
293                         return NULL;
294                 }
295
296                 push_ascii_fstring(dos_ea_name, listp->ea.name);
297
298                 *pea_total_len +=
299                         4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
300
301                 DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
302                           "= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
303                           (unsigned int)listp->ea.value.length));
304
305                 DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
306
307         }
308
309         /* Add on 4 for total length. */
310         if (*pea_total_len) {
311                 *pea_total_len += 4;
312         }
313
314         DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
315                    (unsigned int)*pea_total_len));
316
317         return ea_list_head;
318 }
319
320 /****************************************************************************
321  Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
322  that was filled.
323 ****************************************************************************/
324
325 static unsigned int fill_ea_buffer(TALLOC_CTX *mem_ctx, char *pdata, unsigned int total_data_size,
326         connection_struct *conn, struct ea_list *ea_list)
327 {
328         unsigned int ret_data_size = 4;
329         char *p = pdata;
330
331         SMB_ASSERT(total_data_size >= 4);
332
333         if (!lp_ea_support(SNUM(conn))) {
334                 SIVAL(pdata,4,0);
335                 return 4;
336         }
337
338         for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
339                 size_t dos_namelen;
340                 fstring dos_ea_name;
341                 push_ascii_fstring(dos_ea_name, ea_list->ea.name);
342                 dos_namelen = strlen(dos_ea_name);
343                 if (dos_namelen > 255 || dos_namelen == 0) {
344                         break;
345                 }
346                 if (ea_list->ea.value.length > 65535) {
347                         break;
348                 }
349                 if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
350                         break;
351                 }
352
353                 /* We know we have room. */
354                 SCVAL(p,0,ea_list->ea.flags);
355                 SCVAL(p,1,dos_namelen);
356                 SSVAL(p,2,ea_list->ea.value.length);
357                 fstrcpy(p+4, dos_ea_name);
358                 memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
359
360                 total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
361                 p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
362         }
363
364         ret_data_size = PTR_DIFF(p, pdata);
365         DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
366         SIVAL(pdata,0,ret_data_size);
367         return ret_data_size;
368 }
369
370 static unsigned int estimate_ea_size(connection_struct *conn, files_struct *fsp, const char *fname)
371 {
372         size_t total_ea_len = 0;
373         TALLOC_CTX *mem_ctx = NULL;
374
375         if (!lp_ea_support(SNUM(conn))) {
376                 return 0;
377         }
378         mem_ctx = talloc_tos();
379         (void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
380         return total_ea_len;
381 }
382
383 /****************************************************************************
384  Ensure the EA name is case insensitive by matching any existing EA name.
385 ****************************************************************************/
386
387 static void canonicalize_ea_name(connection_struct *conn, files_struct *fsp, const char *fname, fstring unix_ea_name)
388 {
389         size_t total_ea_len;
390         TALLOC_CTX *mem_ctx = talloc_tos();
391         struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
392
393         for (; ea_list; ea_list = ea_list->next) {
394                 if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
395                         DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
396                                 &unix_ea_name[5], ea_list->ea.name));
397                         safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
398                         break;
399                 }
400         }
401 }
402
403 /****************************************************************************
404  Set or delete an extended attribute.
405 ****************************************************************************/
406
407 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
408                 const struct smb_filename *smb_fname, struct ea_list *ea_list)
409 {
410         char *fname = NULL;
411         NTSTATUS status;
412
413         if (!lp_ea_support(SNUM(conn))) {
414                 return NT_STATUS_EAS_NOT_SUPPORTED;
415         }
416
417         status = get_full_smb_filename(talloc_tos(), smb_fname,
418                                        &fname);
419         if (!NT_STATUS_IS_OK(status)) {
420                 return status;
421         }
422
423         for (;ea_list; ea_list = ea_list->next) {
424                 int ret;
425                 fstring unix_ea_name;
426
427                 fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
428                 fstrcat(unix_ea_name, ea_list->ea.name);
429
430                 canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
431
432                 DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
433
434                 if (samba_private_attr_name(unix_ea_name)) {
435                         DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
436                         return NT_STATUS_ACCESS_DENIED;
437                 }
438
439                 if (ea_list->ea.value.length == 0) {
440                         /* Remove the attribute. */
441                         if (fsp && (fsp->fh->fd != -1)) {
442                                 DEBUG(10,("set_ea: deleting ea name %s on file %s by file descriptor.\n",
443                                         unix_ea_name, fsp->fsp_name));
444                                 ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
445                         } else {
446                                 DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
447                                         unix_ea_name, fname));
448                                 ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
449                         }
450 #ifdef ENOATTR
451                         /* Removing a non existent attribute always succeeds. */
452                         if (ret == -1 && errno == ENOATTR) {
453                                 DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
454                                                 unix_ea_name));
455                                 ret = 0;
456                         }
457 #endif
458                 } else {
459                         if (fsp && (fsp->fh->fd != -1)) {
460                                 DEBUG(10,("set_ea: setting ea name %s on file %s by file descriptor.\n",
461                                         unix_ea_name, fsp->fsp_name));
462                                 ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
463                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
464                         } else {
465                                 DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
466                                         unix_ea_name, fname));
467                                 ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
468                                                         ea_list->ea.value.data, ea_list->ea.value.length, 0);
469                         }
470                 }
471
472                 if (ret == -1) {
473 #ifdef ENOTSUP
474                         if (errno == ENOTSUP) {
475                                 return NT_STATUS_EAS_NOT_SUPPORTED;
476                         }
477 #endif
478                         return map_nt_error_from_unix(errno);
479                 }
480
481         }
482         return NT_STATUS_OK;
483 }
484 /****************************************************************************
485  Read a list of EA names from an incoming data buffer. Create an ea_list with them.
486 ****************************************************************************/
487
488 static struct ea_list *read_ea_name_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
489 {
490         struct ea_list *ea_list_head = NULL;
491         size_t converted_size, offset = 0;
492
493         while (offset + 2 < data_size) {
494                 struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
495                 unsigned int namelen = CVAL(pdata,offset);
496
497                 offset++; /* Go past the namelen byte. */
498
499                 /* integer wrap paranioa. */
500                 if ((offset + namelen < offset) || (offset + namelen < namelen) ||
501                                 (offset > data_size) || (namelen > data_size) ||
502                                 (offset + namelen >= data_size)) {
503                         break;
504                 }
505                 /* Ensure the name is null terminated. */
506                 if (pdata[offset + namelen] != '\0') {
507                         return NULL;
508                 }
509                 if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
510                                        &converted_size)) {
511                         DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
512                                  "failed: %s", strerror(errno)));
513                 }
514                 if (!eal->ea.name) {
515                         return NULL;
516                 }
517
518                 offset += (namelen + 1); /* Go past the name + terminating zero. */
519                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
520                 DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
521         }
522
523         return ea_list_head;
524 }
525
526 /****************************************************************************
527  Read one EA list entry from the buffer.
528 ****************************************************************************/
529
530 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used)
531 {
532         struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
533         uint16 val_len;
534         unsigned int namelen;
535         size_t converted_size;
536
537         if (!eal) {
538                 return NULL;
539         }
540
541         if (data_size < 6) {
542                 return NULL;
543         }
544
545         eal->ea.flags = CVAL(pdata,0);
546         namelen = CVAL(pdata,1);
547         val_len = SVAL(pdata,2);
548
549         if (4 + namelen + 1 + val_len > data_size) {
550                 return NULL;
551         }
552
553         /* Ensure the name is null terminated. */
554         if (pdata[namelen + 4] != '\0') {
555                 return NULL;
556         }
557         if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
558                 DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
559                          strerror(errno)));
560         }
561         if (!eal->ea.name) {
562                 return NULL;
563         }
564
565         eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
566         if (!eal->ea.value.data) {
567                 return NULL;
568         }
569
570         memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
571
572         /* Ensure we're null terminated just in case we print the value. */
573         eal->ea.value.data[val_len] = '\0';
574         /* But don't count the null. */
575         eal->ea.value.length--;
576
577         if (pbytes_used) {
578                 *pbytes_used = 4 + namelen + 1 + val_len;
579         }
580
581         DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
582         dump_data(10, eal->ea.value.data, eal->ea.value.length);
583
584         return eal;
585 }
586
587 /****************************************************************************
588  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
589 ****************************************************************************/
590
591 static struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
592 {
593         struct ea_list *ea_list_head = NULL;
594         size_t offset = 0;
595         size_t bytes_used = 0;
596
597         while (offset < data_size) {
598                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
599
600                 if (!eal) {
601                         return NULL;
602                 }
603
604                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
605                 offset += bytes_used;
606         }
607
608         return ea_list_head;
609 }
610
611 /****************************************************************************
612  Count the total EA size needed.
613 ****************************************************************************/
614
615 static size_t ea_list_size(struct ea_list *ealist)
616 {
617         fstring dos_ea_name;
618         struct ea_list *listp;
619         size_t ret = 0;
620
621         for (listp = ealist; listp; listp = listp->next) {
622                 push_ascii_fstring(dos_ea_name, listp->ea.name);
623                 ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
624         }
625         /* Add on 4 for total length. */
626         if (ret) {
627                 ret += 4;
628         }
629
630         return ret;
631 }
632
633 /****************************************************************************
634  Return a union of EA's from a file list and a list of names.
635  The TALLOC context for the two lists *MUST* be identical as we steal
636  memory from one list to add to another. JRA.
637 ****************************************************************************/
638
639 static struct ea_list *ea_list_union(struct ea_list *name_list, struct ea_list *file_list, size_t *total_ea_len)
640 {
641         struct ea_list *nlistp, *flistp;
642
643         for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
644                 for (flistp = file_list; flistp; flistp = flistp->next) {
645                         if (strequal(nlistp->ea.name, flistp->ea.name)) {
646                                 break;
647                         }
648                 }
649
650                 if (flistp) {
651                         /* Copy the data from this entry. */
652                         nlistp->ea.flags = flistp->ea.flags;
653                         nlistp->ea.value = flistp->ea.value;
654                 } else {
655                         /* Null entry. */
656                         nlistp->ea.flags = 0;
657                         ZERO_STRUCT(nlistp->ea.value);
658                 }
659         }
660
661         *total_ea_len = ea_list_size(name_list);
662         return name_list;
663 }
664
665 /****************************************************************************
666   Send the required number of replies back.
667   We assume all fields other than the data fields are
668   set correctly for the type of call.
669   HACK ! Always assumes smb_setup field is zero.
670 ****************************************************************************/
671
672 void send_trans2_replies(connection_struct *conn,
673                         struct smb_request *req,
674                          const char *params,
675                          int paramsize,
676                          const char *pdata,
677                          int datasize,
678                          int max_data_bytes)
679 {
680         /* As we are using a protocol > LANMAN1 then the max_send
681          variable must have been set in the sessetupX call.
682          This takes precedence over the max_xmit field in the
683          global struct. These different max_xmit variables should
684          be merged as this is now too confusing */
685
686         int data_to_send = datasize;
687         int params_to_send = paramsize;
688         int useable_space;
689         const char *pp = params;
690         const char *pd = pdata;
691         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
692         int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
693         int data_alignment_offset = 0;
694         bool overflow = False;
695         struct smbd_server_connection *sconn = smbd_server_conn;
696         int max_send = sconn->smb1.sessions.max_send;
697
698         /* Modify the data_to_send and datasize and set the error if
699            we're trying to send more than max_data_bytes. We still send
700            the part of the packet(s) that fit. Strange, but needed
701            for OS/2. */
702
703         if (max_data_bytes > 0 && datasize > max_data_bytes) {
704                 DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
705                         max_data_bytes, datasize ));
706                 datasize = data_to_send = max_data_bytes;
707                 overflow = True;
708         }
709
710         /* If there genuinely are no parameters or data to send just send the empty packet */
711
712         if(params_to_send == 0 && data_to_send == 0) {
713                 reply_outbuf(req, 10, 0);
714                 show_msg((char *)req->outbuf);
715                 if (!srv_send_smb(smbd_server_fd(),
716                                 (char *)req->outbuf,
717                                 true, req->seqnum+1,
718                                 IS_CONN_ENCRYPTED(conn),
719                                 &req->pcd)) {
720                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
721                 }
722                 TALLOC_FREE(req->outbuf);
723                 return;
724         }
725
726         /* When sending params and data ensure that both are nicely aligned */
727         /* Only do this alignment when there is also data to send - else
728                 can cause NT redirector problems. */
729
730         if (((params_to_send % 4) != 0) && (data_to_send != 0))
731                 data_alignment_offset = 4 - (params_to_send % 4);
732
733         /* Space is bufsize minus Netbios over TCP header minus SMB header */
734         /* The alignment_offset is to align the param bytes on an even byte
735                 boundary. NT 4.0 Beta needs this to work correctly. */
736
737         useable_space = max_send - (smb_size
738                                     + 2 * 10 /* wct */
739                                     + alignment_offset
740                                     + data_alignment_offset);
741
742         if (useable_space < 0) {
743                 DEBUG(0, ("send_trans2_replies failed sanity useable_space "
744                           "= %d!!!", useable_space));
745                 exit_server_cleanly("send_trans2_replies: Not enough space");
746         }
747
748         while (params_to_send || data_to_send) {
749                 /* Calculate whether we will totally or partially fill this packet */
750
751                 total_sent_thistime = params_to_send + data_to_send;
752
753                 /* We can never send more than useable_space */
754                 /*
755                  * Note that 'useable_space' does not include the alignment offsets,
756                  * but we must include the alignment offsets in the calculation of
757                  * the length of the data we send over the wire, as the alignment offsets
758                  * are sent here. Fix from Marc_Jacobsen@hp.com.
759                  */
760
761                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
762
763                 reply_outbuf(req, 10, total_sent_thistime + alignment_offset
764                              + data_alignment_offset);
765
766                 /*
767                  * We might have SMBtrans2s in req which was transferred to
768                  * the outbuf, fix that.
769                  */
770                 SCVAL(req->outbuf, smb_com, SMBtrans2);
771
772                 /* Set total params and data to be sent */
773                 SSVAL(req->outbuf,smb_tprcnt,paramsize);
774                 SSVAL(req->outbuf,smb_tdrcnt,datasize);
775
776                 /* Calculate how many parameters and data we can fit into
777                  * this packet. Parameters get precedence
778                  */
779
780                 params_sent_thistime = MIN(params_to_send,useable_space);
781                 data_sent_thistime = useable_space - params_sent_thistime;
782                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
783
784                 SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
785
786                 /* smb_proff is the offset from the start of the SMB header to the
787                         parameter bytes, however the first 4 bytes of outbuf are
788                         the Netbios over TCP header. Thus use smb_base() to subtract
789                         them from the calculation */
790
791                 SSVAL(req->outbuf,smb_proff,
792                       ((smb_buf(req->outbuf)+alignment_offset)
793                        - smb_base(req->outbuf)));
794
795                 if(params_sent_thistime == 0)
796                         SSVAL(req->outbuf,smb_prdisp,0);
797                 else
798                         /* Absolute displacement of param bytes sent in this packet */
799                         SSVAL(req->outbuf,smb_prdisp,pp - params);
800
801                 SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
802                 if(data_sent_thistime == 0) {
803                         SSVAL(req->outbuf,smb_droff,0);
804                         SSVAL(req->outbuf,smb_drdisp, 0);
805                 } else {
806                         /* The offset of the data bytes is the offset of the
807                                 parameter bytes plus the number of parameters being sent this time */
808                         SSVAL(req->outbuf, smb_droff,
809                               ((smb_buf(req->outbuf)+alignment_offset)
810                                - smb_base(req->outbuf))
811                               + params_sent_thistime + data_alignment_offset);
812                         SSVAL(req->outbuf,smb_drdisp, pd - pdata);
813                 }
814
815                 /* Initialize the padding for alignment */
816
817                 if (alignment_offset != 0) {
818                         memset(smb_buf(req->outbuf), 0, alignment_offset);
819                 }
820
821                 /* Copy the param bytes into the packet */
822
823                 if(params_sent_thistime) {
824                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
825                                params_sent_thistime);
826                 }
827
828                 /* Copy in the data bytes */
829                 if(data_sent_thistime) {
830                         if (data_alignment_offset != 0) {
831                                 memset((smb_buf(req->outbuf)+alignment_offset+
832                                         params_sent_thistime), 0,
833                                        data_alignment_offset);
834                         }
835                         memcpy(smb_buf(req->outbuf)+alignment_offset
836                                +params_sent_thistime+data_alignment_offset,
837                                pd,data_sent_thistime);
838                 }
839
840                 DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
841                         params_sent_thistime, data_sent_thistime, useable_space));
842                 DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
843                         params_to_send, data_to_send, paramsize, datasize));
844
845                 if (overflow) {
846                         error_packet_set((char *)req->outbuf,
847                                          ERRDOS,ERRbufferoverflow,
848                                          STATUS_BUFFER_OVERFLOW,
849                                          __LINE__,__FILE__);
850                 }
851
852                 /* Send the packet */
853                 show_msg((char *)req->outbuf);
854                 if (!srv_send_smb(smbd_server_fd(),
855                                 (char *)req->outbuf,
856                                 true, req->seqnum+1,
857                                 IS_CONN_ENCRYPTED(conn),
858                                 &req->pcd))
859                         exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
860
861                 TALLOC_FREE(req->outbuf);
862
863                 pp += params_sent_thistime;
864                 pd += data_sent_thistime;
865
866                 params_to_send -= params_sent_thistime;
867                 data_to_send -= data_sent_thistime;
868
869                 /* Sanity check */
870                 if(params_to_send < 0 || data_to_send < 0) {
871                         DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
872                                 params_to_send, data_to_send));
873                         return;
874                 }
875         }
876
877         return;
878 }
879
880 /****************************************************************************
881  Reply to a TRANSACT2_OPEN.
882 ****************************************************************************/
883
884 static void call_trans2open(connection_struct *conn,
885                             struct smb_request *req,
886                             char **pparams, int total_params,
887                             char **ppdata, int total_data,
888                             unsigned int max_data_bytes)
889 {
890         struct smb_filename *smb_fname = NULL;
891         char *params = *pparams;
892         char *pdata = *ppdata;
893         int deny_mode;
894         int32 open_attr;
895         bool oplock_request;
896 #if 0
897         bool return_additional_info;
898         int16 open_sattr;
899         time_t open_time;
900 #endif
901         int open_ofun;
902         uint32 open_size;
903         char *pname;
904         char *fname = NULL;
905         SMB_OFF_T size=0;
906         int fattr=0,mtime=0;
907         SMB_INO_T inode = 0;
908         int smb_action = 0;
909         files_struct *fsp;
910         struct ea_list *ea_list = NULL;
911         uint16 flags = 0;
912         NTSTATUS status;
913         uint32 access_mask;
914         uint32 share_mode;
915         uint32 create_disposition;
916         uint32 create_options = 0;
917         TALLOC_CTX *ctx = talloc_tos();
918
919         /*
920          * Ensure we have enough parameters to perform the operation.
921          */
922
923         if (total_params < 29) {
924                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
925                 goto out;
926         }
927
928         flags = SVAL(params, 0);
929         deny_mode = SVAL(params, 2);
930         open_attr = SVAL(params,6);
931         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
932         if (oplock_request) {
933                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
934         }
935
936 #if 0
937         return_additional_info = BITSETW(params,0);
938         open_sattr = SVAL(params, 4);
939         open_time = make_unix_date3(params+8);
940 #endif
941         open_ofun = SVAL(params,12);
942         open_size = IVAL(params,14);
943         pname = &params[28];
944
945         if (IS_IPC(conn)) {
946                 reply_doserror(req, ERRSRV, ERRaccess);
947                 goto out;
948         }
949
950         srvstr_get_path(ctx, params, req->flags2, &fname, pname,
951                         total_params - 28, STR_TERMINATE,
952                         &status);
953         if (!NT_STATUS_IS_OK(status)) {
954                 reply_nterror(req, status);
955                 goto out;
956         }
957
958         DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
959                 fname, (unsigned int)deny_mode, (unsigned int)open_attr,
960                 (unsigned int)open_ofun, open_size));
961
962         status = filename_convert(ctx,
963                                 conn,
964                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
965                                 fname,
966                                 &smb_fname,
967                                 NULL);
968         if (!NT_STATUS_IS_OK(status)) {
969                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
970                         reply_botherror(req,
971                                 NT_STATUS_PATH_NOT_COVERED,
972                                 ERRSRV, ERRbadpath);
973                         goto out;
974                 }
975                 reply_nterror(req, status);
976                 goto out;
977         }
978
979         if (open_ofun == 0) {
980                 reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
981                 goto out;
982         }
983
984         if (!map_open_params_to_ntcreate(smb_fname->base_name, deny_mode,
985                                 open_ofun,
986                                 &access_mask,
987                                 &share_mode,
988                                 &create_disposition,
989                                 &create_options)) {
990                 reply_doserror(req, ERRDOS, ERRbadaccess);
991                 goto out;
992         }
993
994         /* Any data in this call is an EA list. */
995         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
996                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
997                 goto out;
998         }
999
1000         if (total_data != 4) {
1001                 if (total_data < 10) {
1002                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1003                         goto out;
1004                 }
1005
1006                 if (IVAL(pdata,0) > total_data) {
1007                         DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
1008                                 IVAL(pdata,0), (unsigned int)total_data));
1009                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1010                         goto out;
1011                 }
1012
1013                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
1014                                        total_data - 4);
1015                 if (!ea_list) {
1016                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1017                         goto out;
1018                 }
1019         } else if (IVAL(pdata,0) != 4) {
1020                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1021                 goto out;
1022         }
1023
1024         status = SMB_VFS_CREATE_FILE(
1025                 conn,                                   /* conn */
1026                 req,                                    /* req */
1027                 0,                                      /* root_dir_fid */
1028                 smb_fname,                              /* fname */
1029                 access_mask,                            /* access_mask */
1030                 share_mode,                             /* share_access */
1031                 create_disposition,                     /* create_disposition*/
1032                 create_options,                         /* create_options */
1033                 open_attr,                              /* file_attributes */
1034                 oplock_request,                         /* oplock_request */
1035                 open_size,                              /* allocation_size */
1036                 NULL,                                   /* sd */
1037                 ea_list,                                /* ea_list */
1038                 &fsp,                                   /* result */
1039                 &smb_action);                           /* psbuf */
1040
1041         if (!NT_STATUS_IS_OK(status)) {
1042                 if (open_was_deferred(req->mid)) {
1043                         /* We have re-scheduled this call. */
1044                         goto out;
1045                 }
1046                 reply_openerror(req, status);
1047                 goto out;
1048         }
1049
1050         size = get_file_size_stat(&smb_fname->st);
1051         fattr = dos_mode(conn, smb_fname);
1052         mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1053         inode = smb_fname->st.st_ex_ino;
1054         if (fattr & aDIR) {
1055                 close_file(req, fsp, ERROR_CLOSE);
1056                 reply_doserror(req, ERRDOS,ERRnoaccess);
1057                 goto out;
1058         }
1059
1060         /* Realloc the size of parameters and data we will return */
1061         *pparams = (char *)SMB_REALLOC(*pparams, 30);
1062         if(*pparams == NULL ) {
1063                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1064                 goto out;
1065         }
1066         params = *pparams;
1067
1068         SSVAL(params,0,fsp->fnum);
1069         SSVAL(params,2,fattr);
1070         srv_put_dos_date2(params,4, mtime);
1071         SIVAL(params,8, (uint32)size);
1072         SSVAL(params,12,deny_mode);
1073         SSVAL(params,14,0); /* open_type - file or directory. */
1074         SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1075
1076         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1077                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1078         }
1079
1080         SSVAL(params,18,smb_action);
1081
1082         /*
1083          * WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1084          */
1085         SIVAL(params,20,inode);
1086         SSVAL(params,24,0); /* Padding. */
1087         if (flags & 8) {
1088                 uint32 ea_size = estimate_ea_size(conn, fsp, fsp->fsp_name);
1089                 SIVAL(params, 26, ea_size);
1090         } else {
1091                 SIVAL(params, 26, 0);
1092         }
1093
1094         /* Send the required number of replies */
1095         send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1096  out:
1097         TALLOC_FREE(smb_fname);
1098 }
1099
1100 /*********************************************************
1101  Routine to check if a given string matches exactly.
1102  as a special case a mask of "." does NOT match. That
1103  is required for correct wildcard semantics
1104  Case can be significant or not.
1105 **********************************************************/
1106
1107 static bool exact_match(connection_struct *conn,
1108                 const char *str,
1109                 const char *mask)
1110 {
1111         if (mask[0] == '.' && mask[1] == 0)
1112                 return False;
1113         if (dptr_has_wild(conn->dirptr)) {
1114                 return False;
1115         }
1116         if (conn->case_sensitive)
1117                 return strcmp(str,mask)==0;
1118         else
1119                 return StrCaseCmp(str,mask) == 0;
1120 }
1121
1122 /****************************************************************************
1123  Return the filetype for UNIX extensions.
1124 ****************************************************************************/
1125
1126 static uint32 unix_filetype(mode_t mode)
1127 {
1128         if(S_ISREG(mode))
1129                 return UNIX_TYPE_FILE;
1130         else if(S_ISDIR(mode))
1131                 return UNIX_TYPE_DIR;
1132 #ifdef S_ISLNK
1133         else if(S_ISLNK(mode))
1134                 return UNIX_TYPE_SYMLINK;
1135 #endif
1136 #ifdef S_ISCHR
1137         else if(S_ISCHR(mode))
1138                 return UNIX_TYPE_CHARDEV;
1139 #endif
1140 #ifdef S_ISBLK
1141         else if(S_ISBLK(mode))
1142                 return UNIX_TYPE_BLKDEV;
1143 #endif
1144 #ifdef S_ISFIFO
1145         else if(S_ISFIFO(mode))
1146                 return UNIX_TYPE_FIFO;
1147 #endif
1148 #ifdef S_ISSOCK
1149         else if(S_ISSOCK(mode))
1150                 return UNIX_TYPE_SOCKET;
1151 #endif
1152
1153         DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1154         return UNIX_TYPE_UNKNOWN;
1155 }
1156
1157 /****************************************************************************
1158  Map wire perms onto standard UNIX permissions. Obey share restrictions.
1159 ****************************************************************************/
1160
1161 enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1162
1163 static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1164                                 const SMB_STRUCT_STAT *psbuf,
1165                                 uint32 perms,
1166                                 enum perm_type ptype,
1167                                 mode_t *ret_perms)
1168 {
1169         mode_t ret = 0;
1170
1171         if (perms == SMB_MODE_NO_CHANGE) {
1172                 if (!VALID_STAT(*psbuf)) {
1173                         return NT_STATUS_INVALID_PARAMETER;
1174                 } else {
1175                         *ret_perms = psbuf->st_ex_mode;
1176                         return NT_STATUS_OK;
1177                 }
1178         }
1179
1180         ret |= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1181         ret |= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1182         ret |= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1183         ret |= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1184         ret |= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1185         ret |= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1186         ret |= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1187         ret |= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1188         ret |= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1189 #ifdef S_ISVTX
1190         ret |= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1191 #endif
1192 #ifdef S_ISGID
1193         ret |= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1194 #endif
1195 #ifdef S_ISUID
1196         ret |= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1197 #endif
1198
1199         switch (ptype) {
1200         case PERM_NEW_FILE:
1201                 /* Apply mode mask */
1202                 ret &= lp_create_mask(SNUM(conn));
1203                 /* Add in force bits */
1204                 ret |= lp_force_create_mode(SNUM(conn));
1205                 break;
1206         case PERM_NEW_DIR:
1207                 ret &= lp_dir_mask(SNUM(conn));
1208                 /* Add in force bits */
1209                 ret |= lp_force_dir_mode(SNUM(conn));
1210                 break;
1211         case PERM_EXISTING_FILE:
1212                 /* Apply mode mask */
1213                 ret &= lp_security_mask(SNUM(conn));
1214                 /* Add in force bits */
1215                 ret |= lp_force_security_mode(SNUM(conn));
1216                 break;
1217         case PERM_EXISTING_DIR:
1218                 /* Apply mode mask */
1219                 ret &= lp_dir_security_mask(SNUM(conn));
1220                 /* Add in force bits */
1221                 ret |= lp_force_dir_security_mode(SNUM(conn));
1222                 break;
1223         }
1224
1225         *ret_perms = ret;
1226         return NT_STATUS_OK;
1227 }
1228
1229 /****************************************************************************
1230  Needed to show the msdfs symlinks as directories. Modifies psbuf
1231  to be a directory if it's a msdfs link.
1232 ****************************************************************************/
1233
1234 static bool check_msdfs_link(connection_struct *conn,
1235                                 const char *pathname,
1236                                 SMB_STRUCT_STAT *psbuf)
1237 {
1238         int saved_errno = errno;
1239         if(lp_host_msdfs() &&
1240                 lp_msdfs_root(SNUM(conn)) &&
1241                 is_msdfs_link(conn, pathname, psbuf)) {
1242
1243                 DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1244                         "as a directory\n",
1245                         pathname));
1246                 psbuf->st_ex_mode = (psbuf->st_ex_mode & 0xFFF) | S_IFDIR;
1247                 errno = saved_errno;
1248                 return true;
1249         }
1250         errno = saved_errno;
1251         return false;
1252 }
1253
1254
1255 /****************************************************************************
1256  Get a level dependent lanman2 dir entry.
1257 ****************************************************************************/
1258
1259 static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
1260                                 connection_struct *conn,
1261                                 uint16 flags2,
1262                                 const char *path_mask,
1263                                 uint32 dirtype,
1264                                 int info_level,
1265                                 int requires_resume_key,
1266                                 bool dont_descend,
1267                                 bool ask_sharemode,
1268                                 char **ppdata,
1269                                 char *base_data,
1270                                 char *end_data,
1271                                 int space_remaining,
1272                                 bool *out_of_space,
1273                                 bool *got_exact_match,
1274                                 int *last_entry_off,
1275                                 struct ea_list *name_list)
1276 {
1277         char *dname;
1278         bool found = False;
1279         SMB_STRUCT_STAT sbuf;
1280         const char *mask = NULL;
1281         char *pathreal = NULL;
1282         char *fname = NULL;
1283         char *p, *q, *pdata = *ppdata;
1284         uint32 reskey=0;
1285         long prev_dirpos=0;
1286         uint32 mode=0;
1287         SMB_OFF_T file_size = 0;
1288         uint64_t allocation_size = 0;
1289         uint32 len;
1290         struct timespec mdate_ts, adate_ts, create_date_ts;
1291         time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1292         char *nameptr;
1293         char *last_entry_ptr;
1294         bool was_8_3;
1295         uint32 nt_extmode; /* Used for NT connections instead of mode */
1296         bool needslash = ( conn->dirpath[strlen(conn->dirpath) -1] != '/');
1297         bool check_mangled_names = lp_manglednames(conn->params);
1298         char mangled_name[13]; /* mangled 8.3 name. */
1299
1300         *out_of_space = False;
1301         *got_exact_match = False;
1302
1303         ZERO_STRUCT(mdate_ts);
1304         ZERO_STRUCT(adate_ts);
1305         ZERO_STRUCT(create_date_ts);
1306
1307         if (!conn->dirptr) {
1308                 return(False);
1309         }
1310
1311         p = strrchr_m(path_mask,'/');
1312         if(p != NULL) {
1313                 if(p[1] == '\0') {
1314                         mask = talloc_strdup(ctx,"*.*");
1315                 } else {
1316                         mask = p+1;
1317                 }
1318         } else {
1319                 mask = path_mask;
1320         }
1321
1322         while (!found) {
1323                 bool got_match;
1324                 bool ms_dfs_link = False;
1325
1326                 /* Needed if we run out of space */
1327                 long curr_dirpos = prev_dirpos = dptr_TellDir(conn->dirptr);
1328                 dname = dptr_ReadDirName(ctx,conn->dirptr,&curr_dirpos,&sbuf);
1329
1330                 /*
1331                  * Due to bugs in NT client redirectors we are not using
1332                  * resume keys any more - set them to zero.
1333                  * Check out the related comments in findfirst/findnext.
1334                  * JRA.
1335                  */
1336
1337                 reskey = 0;
1338
1339                 DEBUG(8,("get_lanman2_dir_entry:readdir on dirptr 0x%lx now at offset %ld\n",
1340                         (long)conn->dirptr,curr_dirpos));
1341
1342                 if (!dname) {
1343                         return(False);
1344                 }
1345
1346                 /*
1347                  * fname may get mangled, dname is never mangled.
1348                  * Whenever we're accessing the filesystem we use
1349                  * pathreal which is composed from dname.
1350                  */
1351
1352                 pathreal = NULL;
1353                 fname = dname;
1354
1355                 /* Mangle fname if it's an illegal name. */
1356                 if (mangle_must_mangle(dname,conn->params)) {
1357                         if (!name_to_8_3(dname,mangled_name,True,conn->params)) {
1358                                 TALLOC_FREE(fname);
1359                                 continue; /* Error - couldn't mangle. */
1360                         }
1361                         fname = talloc_strdup(ctx, mangled_name);
1362                         if (!fname) {
1363                                 return False;
1364                         }
1365                 }
1366
1367                 if(!(got_match = *got_exact_match = exact_match(conn, fname, mask))) {
1368                         got_match = mask_match(fname, mask, conn->case_sensitive);
1369                 }
1370
1371                 if(!got_match && check_mangled_names &&
1372                    !mangle_is_8_3(fname, False, conn->params)) {
1373                         /*
1374                          * It turns out that NT matches wildcards against
1375                          * both long *and* short names. This may explain some
1376                          * of the wildcard wierdness from old DOS clients
1377                          * that some people have been seeing.... JRA.
1378                          */
1379                         /* Force the mangling into 8.3. */
1380                         if (!name_to_8_3( fname, mangled_name, False, conn->params)) {
1381                                 TALLOC_FREE(fname);
1382                                 continue; /* Error - couldn't mangle. */
1383                         }
1384
1385                         if(!(got_match = *got_exact_match = exact_match(conn, mangled_name, mask))) {
1386                                 got_match = mask_match(mangled_name, mask, conn->case_sensitive);
1387                         }
1388                 }
1389
1390                 if (got_match) {
1391                         bool isdots = (ISDOT(dname) || ISDOTDOT(dname));
1392                         struct smb_filename *smb_fname = NULL;
1393                         NTSTATUS status;
1394
1395                         if (dont_descend && !isdots) {
1396                                 TALLOC_FREE(fname);
1397                                 continue;
1398                         }
1399
1400                         if (needslash) {
1401                                 pathreal = NULL;
1402                                 pathreal = talloc_asprintf(ctx,
1403                                         "%s/%s",
1404                                         conn->dirpath,
1405                                         dname);
1406                         } else {
1407                                 pathreal = talloc_asprintf(ctx,
1408                                         "%s%s",
1409                                         conn->dirpath,
1410                                         dname);
1411                         }
1412
1413                         if (!pathreal) {
1414                                 TALLOC_FREE(fname);
1415                                 return False;
1416                         }
1417
1418                         /* A dirent from dptr_ReadDirName isn't a stream. */
1419                         status = create_synthetic_smb_fname(ctx, pathreal,
1420                                                             NULL, &sbuf,
1421                                                             &smb_fname);
1422                         if (!NT_STATUS_IS_OK(status)) {
1423                                 TALLOC_FREE(fname);
1424                                 return false;
1425                         }
1426
1427                         if (INFO_LEVEL_IS_UNIX(info_level)) {
1428                                 if (SMB_VFS_LSTAT(conn, smb_fname) != 0) {
1429                                         DEBUG(5,("get_lanman2_dir_entry: "
1430                                                  "Couldn't lstat [%s] (%s)\n",
1431                                                  smb_fname_str_dbg(smb_fname),
1432                                                  strerror(errno)));
1433                                         TALLOC_FREE(smb_fname);
1434                                         TALLOC_FREE(pathreal);
1435                                         TALLOC_FREE(fname);
1436                                         continue;
1437                                 }
1438                         } else if (!VALID_STAT(smb_fname->st) &&
1439                                    SMB_VFS_STAT(conn, smb_fname) != 0) {
1440                                 /* Needed to show the msdfs symlinks as
1441                                  * directories */
1442
1443                                 ms_dfs_link =
1444                                     check_msdfs_link(conn,
1445                                                      smb_fname->base_name,
1446                                                      &smb_fname->st);
1447                                 if (!ms_dfs_link) {
1448                                         DEBUG(5,("get_lanman2_dir_entry: "
1449                                                  "Couldn't stat [%s] (%s)\n",
1450                                                  smb_fname_str_dbg(smb_fname),
1451                                                  strerror(errno)));
1452                                         TALLOC_FREE(smb_fname);
1453                                         TALLOC_FREE(pathreal);
1454                                         TALLOC_FREE(fname);
1455                                         continue;
1456                                 }
1457                         }
1458
1459                         if (ms_dfs_link) {
1460                                 mode = dos_mode_msdfs(conn, smb_fname);
1461                         } else {
1462                                 mode = dos_mode(conn, smb_fname);
1463                         }
1464
1465                         if (!dir_check_ftype(conn,mode,dirtype)) {
1466                                 DEBUG(5,("get_lanman2_dir_entry: [%s] attribs didn't match %x\n",fname,dirtype));
1467                                 TALLOC_FREE(smb_fname);
1468                                 TALLOC_FREE(pathreal);
1469                                 TALLOC_FREE(fname);
1470                                 continue;
1471                         }
1472
1473                         if (!(mode & aDIR)) {
1474                                 file_size = get_file_size_stat(&smb_fname->st);
1475                         }
1476                         allocation_size =
1477                             SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
1478
1479                         if (ask_sharemode) {
1480                                 struct timespec write_time_ts;
1481                                 struct file_id fileid;
1482
1483                                 ZERO_STRUCT(write_time_ts);
1484                                 fileid = vfs_file_id_from_sbuf(conn,
1485                                                                &smb_fname->st);
1486                                 get_file_infos(fileid, NULL, &write_time_ts);
1487                                 if (!null_timespec(write_time_ts)) {
1488                                         update_stat_ex_mtime(&smb_fname->st,
1489                                                              write_time_ts);
1490                                 }
1491                         }
1492
1493                         mdate_ts = smb_fname->st.st_ex_mtime;
1494                         adate_ts = smb_fname->st.st_ex_atime;
1495                         create_date_ts = smb_fname->st.st_ex_btime;
1496
1497                         if (lp_dos_filetime_resolution(SNUM(conn))) {
1498                                 dos_filetime_timespec(&create_date_ts);
1499                                 dos_filetime_timespec(&mdate_ts);
1500                                 dos_filetime_timespec(&adate_ts);
1501                         }
1502
1503                         create_date = convert_timespec_to_time_t(create_date_ts);
1504                         mdate = convert_timespec_to_time_t(mdate_ts);
1505                         adate = convert_timespec_to_time_t(adate_ts);
1506
1507                         DEBUG(5,("get_lanman2_dir_entry: found %s fname=%s\n",
1508                                  smb_fname_str_dbg(smb_fname), fname));
1509
1510                         found = True;
1511
1512                         dptr_DirCacheAdd(conn->dirptr, dname, curr_dirpos);
1513                         sbuf = smb_fname->st;
1514
1515                         TALLOC_FREE(smb_fname);
1516                 }
1517
1518                 if (!found)
1519                         TALLOC_FREE(fname);
1520         }
1521
1522         p = pdata;
1523         last_entry_ptr = p;
1524
1525         nt_extmode = mode ? mode : FILE_ATTRIBUTE_NORMAL;
1526
1527         switch (info_level) {
1528                 case SMB_FIND_INFO_STANDARD:
1529                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1530                         if(requires_resume_key) {
1531                                 SIVAL(p,0,reskey);
1532                                 p += 4;
1533                         }
1534                         srv_put_dos_date2(p,0,create_date);
1535                         srv_put_dos_date2(p,4,adate);
1536                         srv_put_dos_date2(p,8,mdate);
1537                         SIVAL(p,12,(uint32)file_size);
1538                         SIVAL(p,16,(uint32)allocation_size);
1539                         SSVAL(p,20,mode);
1540                         p += 23;
1541                         nameptr = p;
1542                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1543                                 p += ucs2_align(base_data, p, 0);
1544                         }
1545                         len = srvstr_push(base_data, flags2, p,
1546                                           fname, PTR_DIFF(end_data, p),
1547                                           STR_TERMINATE);
1548                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1549                                 if (len > 2) {
1550                                         SCVAL(nameptr, -1, len - 2);
1551                                 } else {
1552                                         SCVAL(nameptr, -1, 0);
1553                                 }
1554                         } else {
1555                                 if (len > 1) {
1556                                         SCVAL(nameptr, -1, len - 1);
1557                                 } else {
1558                                         SCVAL(nameptr, -1, 0);
1559                                 }
1560                         }
1561                         p += len;
1562                         break;
1563
1564                 case SMB_FIND_EA_SIZE:
1565                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_SIZE\n"));
1566                         if(requires_resume_key) {
1567                                 SIVAL(p,0,reskey);
1568                                 p += 4;
1569                         }
1570                         srv_put_dos_date2(p,0,create_date);
1571                         srv_put_dos_date2(p,4,adate);
1572                         srv_put_dos_date2(p,8,mdate);
1573                         SIVAL(p,12,(uint32)file_size);
1574                         SIVAL(p,16,(uint32)allocation_size);
1575                         SSVAL(p,20,mode);
1576                         {
1577                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1578                                 SIVAL(p,22,ea_size); /* Extended attributes */
1579                         }
1580                         p += 27;
1581                         nameptr = p - 1;
1582                         len = srvstr_push(base_data, flags2,
1583                                           p, fname, PTR_DIFF(end_data, p),
1584                                           STR_TERMINATE | STR_NOALIGN);
1585                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1586                                 if (len > 2) {
1587                                         len -= 2;
1588                                 } else {
1589                                         len = 0;
1590                                 }
1591                         } else {
1592                                 if (len > 1) {
1593                                         len -= 1;
1594                                 } else {
1595                                         len = 0;
1596                                 }
1597                         }
1598                         SCVAL(nameptr,0,len);
1599                         p += len;
1600                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1601                         break;
1602
1603                 case SMB_FIND_EA_LIST:
1604                 {
1605                         struct ea_list *file_list = NULL;
1606                         size_t ea_len = 0;
1607
1608                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_EA_LIST\n"));
1609                         if (!name_list) {
1610                                 return False;
1611                         }
1612                         if(requires_resume_key) {
1613                                 SIVAL(p,0,reskey);
1614                                 p += 4;
1615                         }
1616                         srv_put_dos_date2(p,0,create_date);
1617                         srv_put_dos_date2(p,4,adate);
1618                         srv_put_dos_date2(p,8,mdate);
1619                         SIVAL(p,12,(uint32)file_size);
1620                         SIVAL(p,16,(uint32)allocation_size);
1621                         SSVAL(p,20,mode);
1622                         p += 22; /* p now points to the EA area. */
1623
1624                         file_list = get_ea_list_from_file(ctx, conn, NULL, pathreal, &ea_len);
1625                         name_list = ea_list_union(name_list, file_list, &ea_len);
1626
1627                         /* We need to determine if this entry will fit in the space available. */
1628                         /* Max string size is 255 bytes. */
1629                         if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1630                                 /* Move the dirptr back to prev_dirpos */
1631                                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1632                                 *out_of_space = True;
1633                                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1634                                 return False; /* Not finished - just out of space */
1635                         }
1636
1637                         /* Push the ea_data followed by the name. */
1638                         p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1639                         nameptr = p;
1640                         len = srvstr_push(base_data, flags2,
1641                                           p + 1, fname, PTR_DIFF(end_data, p+1),
1642                                           STR_TERMINATE | STR_NOALIGN);
1643                         if (flags2 & FLAGS2_UNICODE_STRINGS) {
1644                                 if (len > 2) {
1645                                         len -= 2;
1646                                 } else {
1647                                         len = 0;
1648                                 }
1649                         } else {
1650                                 if (len > 1) {
1651                                         len -= 1;
1652                                 } else {
1653                                         len = 0;
1654                                 }
1655                         }
1656                         SCVAL(nameptr,0,len);
1657                         p += len + 1;
1658                         SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1659                         break;
1660                 }
1661
1662                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1663                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1664                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1665                         p += 4;
1666                         SIVAL(p,0,reskey); p += 4;
1667                         put_long_date_timespec(p,create_date_ts); p += 8;
1668                         put_long_date_timespec(p,adate_ts); p += 8;
1669                         put_long_date_timespec(p,mdate_ts); p += 8;
1670                         put_long_date_timespec(p,mdate_ts); p += 8;
1671                         SOFF_T(p,0,file_size); p += 8;
1672                         SOFF_T(p,0,allocation_size); p += 8;
1673                         SIVAL(p,0,nt_extmode); p += 4;
1674                         q = p; p += 4; /* q is placeholder for name length. */
1675                         {
1676                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1677                                 SIVAL(p,0,ea_size); /* Extended attributes */
1678                                 p += 4;
1679                         }
1680                         /* Clear the short name buffer. This is
1681                          * IMPORTANT as not doing so will trigger
1682                          * a Win2k client bug. JRA.
1683                          */
1684                         if (!was_8_3 && check_mangled_names) {
1685                                 if (!name_to_8_3(fname,mangled_name,True,
1686                                                    conn->params)) {
1687                                         /* Error - mangle failed ! */
1688                                         memset(mangled_name,'\0',12);
1689                                 }
1690                                 mangled_name[12] = 0;
1691                                 len = srvstr_push(base_data, flags2,
1692                                                   p+2, mangled_name, 24,
1693                                                   STR_UPPER|STR_UNICODE);
1694                                 if (len < 24) {
1695                                         memset(p + 2 + len,'\0',24 - len);
1696                                 }
1697                                 SSVAL(p, 0, len);
1698                         } else {
1699                                 memset(p,'\0',26);
1700                         }
1701                         p += 2 + 24;
1702                         len = srvstr_push(base_data, flags2, p,
1703                                           fname, PTR_DIFF(end_data, p),
1704                                           STR_TERMINATE_ASCII);
1705                         SIVAL(q,0,len);
1706                         p += len;
1707                         SIVAL(p,0,0); /* Ensure any padding is null. */
1708                         len = PTR_DIFF(p, pdata);
1709                         len = (len + 3) & ~3;
1710                         SIVAL(pdata,0,len);
1711                         p = pdata + len;
1712                         break;
1713
1714                 case SMB_FIND_FILE_DIRECTORY_INFO:
1715                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1716                         p += 4;
1717                         SIVAL(p,0,reskey); p += 4;
1718                         put_long_date_timespec(p,create_date_ts); p += 8;
1719                         put_long_date_timespec(p,adate_ts); p += 8;
1720                         put_long_date_timespec(p,mdate_ts); p += 8;
1721                         put_long_date_timespec(p,mdate_ts); p += 8;
1722                         SOFF_T(p,0,file_size); p += 8;
1723                         SOFF_T(p,0,allocation_size); p += 8;
1724                         SIVAL(p,0,nt_extmode); p += 4;
1725                         len = srvstr_push(base_data, flags2,
1726                                           p + 4, fname, PTR_DIFF(end_data, p+4),
1727                                           STR_TERMINATE_ASCII);
1728                         SIVAL(p,0,len);
1729                         p += 4 + len;
1730                         SIVAL(p,0,0); /* Ensure any padding is null. */
1731                         len = PTR_DIFF(p, pdata);
1732                         len = (len + 3) & ~3;
1733                         SIVAL(pdata,0,len);
1734                         p = pdata + len;
1735                         break;
1736
1737                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1738                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1739                         p += 4;
1740                         SIVAL(p,0,reskey); p += 4;
1741                         put_long_date_timespec(p,create_date_ts); p += 8;
1742                         put_long_date_timespec(p,adate_ts); p += 8;
1743                         put_long_date_timespec(p,mdate_ts); p += 8;
1744                         put_long_date_timespec(p,mdate_ts); p += 8;
1745                         SOFF_T(p,0,file_size); p += 8;
1746                         SOFF_T(p,0,allocation_size); p += 8;
1747                         SIVAL(p,0,nt_extmode); p += 4;
1748                         q = p; p += 4; /* q is placeholder for name length. */
1749                         {
1750                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1751                                 SIVAL(p,0,ea_size); /* Extended attributes */
1752                                 p +=4;
1753                         }
1754                         len = srvstr_push(base_data, flags2, p,
1755                                           fname, PTR_DIFF(end_data, p),
1756                                           STR_TERMINATE_ASCII);
1757                         SIVAL(q, 0, len);
1758                         p += len;
1759
1760                         SIVAL(p,0,0); /* Ensure any padding is null. */
1761                         len = PTR_DIFF(p, pdata);
1762                         len = (len + 3) & ~3;
1763                         SIVAL(pdata,0,len);
1764                         p = pdata + len;
1765                         break;
1766
1767                 case SMB_FIND_FILE_NAMES_INFO:
1768                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1769                         p += 4;
1770                         SIVAL(p,0,reskey); p += 4;
1771                         p += 4;
1772                         /* this must *not* be null terminated or w2k gets in a loop trying to set an
1773                            acl on a dir (tridge) */
1774                         len = srvstr_push(base_data, flags2, p,
1775                                           fname, PTR_DIFF(end_data, p),
1776                                           STR_TERMINATE_ASCII);
1777                         SIVAL(p, -4, len);
1778                         p += len;
1779                         SIVAL(p,0,0); /* Ensure any padding is null. */
1780                         len = PTR_DIFF(p, pdata);
1781                         len = (len + 3) & ~3;
1782                         SIVAL(pdata,0,len);
1783                         p = pdata + len;
1784                         break;
1785
1786                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1787                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1788                         p += 4;
1789                         SIVAL(p,0,reskey); p += 4;
1790                         put_long_date_timespec(p,create_date_ts); p += 8;
1791                         put_long_date_timespec(p,adate_ts); p += 8;
1792                         put_long_date_timespec(p,mdate_ts); p += 8;
1793                         put_long_date_timespec(p,mdate_ts); p += 8;
1794                         SOFF_T(p,0,file_size); p += 8;
1795                         SOFF_T(p,0,allocation_size); p += 8;
1796                         SIVAL(p,0,nt_extmode); p += 4;
1797                         q = p; p += 4; /* q is placeholder for name length. */
1798                         {
1799                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1800                                 SIVAL(p,0,ea_size); /* Extended attributes */
1801                                 p +=4;
1802                         }
1803                         SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1804                         SIVAL(p,0,sbuf.st_ex_ino); p += 4; /* FileIndexLow */
1805                         SIVAL(p,0,sbuf.st_ex_dev); p += 4; /* FileIndexHigh */
1806                         len = srvstr_push(base_data, flags2, p,
1807                                           fname, PTR_DIFF(end_data, p),
1808                                           STR_TERMINATE_ASCII);
1809                         SIVAL(q, 0, len);
1810                         p += len; 
1811                         SIVAL(p,0,0); /* Ensure any padding is null. */
1812                         len = PTR_DIFF(p, pdata);
1813                         len = (len + 3) & ~3;
1814                         SIVAL(pdata,0,len);
1815                         p = pdata + len;
1816                         break;
1817
1818                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1819                         DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1820                         was_8_3 = mangle_is_8_3(fname, True, conn->params);
1821                         p += 4;
1822                         SIVAL(p,0,reskey); p += 4;
1823                         put_long_date_timespec(p,create_date_ts); p += 8;
1824                         put_long_date_timespec(p,adate_ts); p += 8;
1825                         put_long_date_timespec(p,mdate_ts); p += 8;
1826                         put_long_date_timespec(p,mdate_ts); p += 8;
1827                         SOFF_T(p,0,file_size); p += 8;
1828                         SOFF_T(p,0,allocation_size); p += 8;
1829                         SIVAL(p,0,nt_extmode); p += 4;
1830                         q = p; p += 4; /* q is placeholder for name length */
1831                         {
1832                                 unsigned int ea_size = estimate_ea_size(conn, NULL, pathreal);
1833                                 SIVAL(p,0,ea_size); /* Extended attributes */
1834                                 p +=4;
1835                         }
1836                         /* Clear the short name buffer. This is
1837                          * IMPORTANT as not doing so will trigger
1838                          * a Win2k client bug. JRA.
1839                          */
1840                         if (!was_8_3 && check_mangled_names) {
1841                                 if (!name_to_8_3(fname,mangled_name,True,
1842                                                 conn->params)) {
1843                                         /* Error - mangle failed ! */
1844                                         memset(mangled_name,'\0',12);
1845                                 }
1846                                 mangled_name[12] = 0;
1847                                 len = srvstr_push(base_data, flags2,
1848                                                   p+2, mangled_name, 24,
1849                                                   STR_UPPER|STR_UNICODE);
1850                                 SSVAL(p, 0, len);
1851                                 if (len < 24) {
1852                                         memset(p + 2 + len,'\0',24 - len);
1853                                 }
1854                                 SSVAL(p, 0, len);
1855                         } else {
1856                                 memset(p,'\0',26);
1857                         }
1858                         p += 26;
1859                         SSVAL(p,0,0); p += 2; /* Reserved ? */
1860                         SIVAL(p,0,sbuf.st_ex_ino); p += 4; /* FileIndexLow */
1861                         SIVAL(p,0,sbuf.st_ex_dev); p += 4; /* FileIndexHigh */
1862                         len = srvstr_push(base_data, flags2, p,
1863                                           fname, PTR_DIFF(end_data, p),
1864                                           STR_TERMINATE_ASCII);
1865                         SIVAL(q,0,len);
1866                         p += len;
1867                         SIVAL(p,0,0); /* Ensure any padding is null. */
1868                         len = PTR_DIFF(p, pdata);
1869                         len = (len + 3) & ~3;
1870                         SIVAL(pdata,0,len);
1871                         p = pdata + len;
1872                         break;
1873
1874                 /* CIFS UNIX Extension. */
1875
1876                 case SMB_FIND_FILE_UNIX:
1877                 case SMB_FIND_FILE_UNIX_INFO2:
1878                         p+= 4;
1879                         SIVAL(p,0,reskey); p+= 4;    /* Used for continuing search. */
1880
1881                         /* Begin of SMB_QUERY_FILE_UNIX_BASIC */
1882
1883                         if (info_level == SMB_FIND_FILE_UNIX) {
1884                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX\n"));
1885                                 p = store_file_unix_basic(conn, p,
1886                                                         NULL, &sbuf);
1887                                 len = srvstr_push(base_data, flags2, p,
1888                                                   fname, PTR_DIFF(end_data, p),
1889                                                   STR_TERMINATE);
1890                         } else {
1891                                 DEBUG(10,("get_lanman2_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
1892                                 p = store_file_unix_basic_info2(conn, p,
1893                                                         NULL, &sbuf);
1894                                 nameptr = p;
1895                                 p += 4;
1896                                 len = srvstr_push(base_data, flags2, p, fname,
1897                                                   PTR_DIFF(end_data, p), 0);
1898                                 SIVAL(nameptr, 0, len);
1899                         }
1900
1901                         p += len;
1902                         SIVAL(p,0,0); /* Ensure any padding is null. */
1903
1904                         len = PTR_DIFF(p, pdata);
1905                         len = (len + 3) & ~3;
1906                         SIVAL(pdata,0,len);     /* Offset from this structure to the beginning of the next one */
1907                         p = pdata + len;
1908                         /* End of SMB_QUERY_FILE_UNIX_BASIC */
1909
1910                         break;
1911
1912                 default:
1913                         TALLOC_FREE(fname);
1914                         return(False);
1915         }
1916
1917         TALLOC_FREE(fname);
1918         if (PTR_DIFF(p,pdata) > space_remaining) {
1919                 /* Move the dirptr back to prev_dirpos */
1920                 dptr_SeekDir(conn->dirptr, prev_dirpos);
1921                 *out_of_space = True;
1922                 DEBUG(9,("get_lanman2_dir_entry: out of space\n"));
1923                 return False; /* Not finished - just out of space */
1924         }
1925
1926         /* Setup the last entry pointer, as an offset from base_data */
1927         *last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
1928         /* Advance the data pointer to the next slot */
1929         *ppdata = p;
1930
1931         return(found);
1932 }
1933
1934 /****************************************************************************
1935  Reply to a TRANS2_FINDFIRST.
1936 ****************************************************************************/
1937
1938 static void call_trans2findfirst(connection_struct *conn,
1939                                  struct smb_request *req,
1940                                  char **pparams, int total_params,
1941                                  char **ppdata, int total_data,
1942                                  unsigned int max_data_bytes)
1943 {
1944         /* We must be careful here that we don't return more than the
1945                 allowed number of data bytes. If this means returning fewer than
1946                 maxentries then so be it. We assume that the redirector has
1947                 enough room for the fixed number of parameter bytes it has
1948                 requested. */
1949         struct smb_filename *smb_dname = NULL;
1950         char *params = *pparams;
1951         char *pdata = *ppdata;
1952         char *data_end;
1953         uint32 dirtype;
1954         int maxentries;
1955         uint16 findfirst_flags;
1956         bool close_after_first;
1957         bool close_if_end;
1958         bool requires_resume_key;
1959         int info_level;
1960         char *directory = NULL;
1961         char *mask = NULL;
1962         char *p;
1963         int last_entry_off=0;
1964         int dptr_num = -1;
1965         int numentries = 0;
1966         int i;
1967         bool finished = False;
1968         bool dont_descend = False;
1969         bool out_of_space = False;
1970         int space_remaining;
1971         bool mask_contains_wcard = False;
1972         struct ea_list *ea_list = NULL;
1973         NTSTATUS ntstatus = NT_STATUS_OK;
1974         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1975         TALLOC_CTX *ctx = talloc_tos();
1976
1977         if (total_params < 13) {
1978                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1979                 return;
1980         }
1981
1982         dirtype = SVAL(params,0);
1983         maxentries = SVAL(params,2);
1984         findfirst_flags = SVAL(params,4);
1985         close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
1986         close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
1987         requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
1988         info_level = SVAL(params,6);
1989
1990         DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
1991 close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
1992                 (unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
1993                 info_level, max_data_bytes));
1994
1995         if (!maxentries) {
1996                 /* W2K3 seems to treat zero as 1. */
1997                 maxentries = 1;
1998         }
1999
2000         switch (info_level) {
2001                 case SMB_FIND_INFO_STANDARD:
2002                 case SMB_FIND_EA_SIZE:
2003                 case SMB_FIND_EA_LIST:
2004                 case SMB_FIND_FILE_DIRECTORY_INFO:
2005                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2006                 case SMB_FIND_FILE_NAMES_INFO:
2007                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2008                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2009                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2010                         break;
2011                 case SMB_FIND_FILE_UNIX:
2012                 case SMB_FIND_FILE_UNIX_INFO2:
2013                         /* Always use filesystem for UNIX mtime query. */
2014                         ask_sharemode = false;
2015                         if (!lp_unix_extensions()) {
2016                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2017                                 return;
2018                         }
2019                         break;
2020                 default:
2021                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2022                         return;
2023         }
2024
2025         srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
2026                               params+12, total_params - 12,
2027                               STR_TERMINATE, &ntstatus, &mask_contains_wcard);
2028         if (!NT_STATUS_IS_OK(ntstatus)) {
2029                 reply_nterror(req, ntstatus);
2030                 return;
2031         }
2032
2033         ntstatus = resolve_dfspath_wcard(ctx, conn,
2034                         req->flags2 & FLAGS2_DFS_PATHNAMES,
2035                         directory,
2036                         &directory,
2037                         &mask_contains_wcard);
2038         if (!NT_STATUS_IS_OK(ntstatus)) {
2039                 if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
2040                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2041                                         ERRSRV, ERRbadpath);
2042                         return;
2043                 }
2044                 reply_nterror(req, ntstatus);
2045                 return;
2046         }
2047
2048         ntstatus = unix_convert(ctx, conn, directory, &smb_dname,
2049                                 (UCF_SAVE_LCOMP | UCF_ALLOW_WCARD_LCOMP));
2050         if (!NT_STATUS_IS_OK(ntstatus)) {
2051                 reply_nterror(req, ntstatus);
2052                 return;
2053         }
2054
2055         mask = smb_dname->original_lcomp;
2056
2057         ntstatus = get_full_smb_filename(ctx, smb_dname, &directory);
2058         TALLOC_FREE(smb_dname);
2059         if (!NT_STATUS_IS_OK(ntstatus)) {
2060                 reply_nterror(req, ntstatus);
2061                 return;
2062         }
2063
2064         ntstatus = check_name(conn, directory);
2065         if (!NT_STATUS_IS_OK(ntstatus)) {
2066                 reply_nterror(req, ntstatus);
2067                 return;
2068         }
2069
2070         p = strrchr_m(directory,'/');
2071         if(p == NULL) {
2072                 /* Windows and OS/2 systems treat search on the root '\' as if it were '\*' */
2073                 if((directory[0] == '.') && (directory[1] == '\0')) {
2074                         mask = talloc_strdup(ctx,"*");
2075                         if (!mask) {
2076                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2077                                 return;
2078                         }
2079                         mask_contains_wcard = True;
2080                 }
2081                 directory = talloc_strdup(talloc_tos(), "./");
2082                 if (!directory) {
2083                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2084                         return;
2085                 }
2086         } else {
2087                 *p = 0;
2088         }
2089
2090         DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2091
2092         if (info_level == SMB_FIND_EA_LIST) {
2093                 uint32 ea_size;
2094
2095                 if (total_data < 4) {
2096                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2097                         return;
2098                 }
2099
2100                 ea_size = IVAL(pdata,0);
2101                 if (ea_size != total_data) {
2102                         DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2103 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2104                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2105                         return;
2106                 }
2107
2108                 if (!lp_ea_support(SNUM(conn))) {
2109                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2110                         return;
2111                 }
2112
2113                 /* Pull out the list of names. */
2114                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2115                 if (!ea_list) {
2116                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2117                         return;
2118                 }
2119         }
2120
2121         *ppdata = (char *)SMB_REALLOC(
2122                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2123         if(*ppdata == NULL ) {
2124                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2125                 return;
2126         }
2127         pdata = *ppdata;
2128         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2129
2130         /* Realloc the params space */
2131         *pparams = (char *)SMB_REALLOC(*pparams, 10);
2132         if (*pparams == NULL) {
2133                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2134                 return;
2135         }
2136         params = *pparams;
2137
2138         /* Save the wildcard match and attribs we are using on this directory -
2139                 needed as lanman2 assumes these are being saved between calls */
2140
2141         ntstatus = dptr_create(conn,
2142                                 directory,
2143                                 False,
2144                                 True,
2145                                 req->smbpid,
2146                                 mask,
2147                                 mask_contains_wcard,
2148                                 dirtype,
2149                                 &conn->dirptr);
2150
2151         if (!NT_STATUS_IS_OK(ntstatus)) {
2152                 reply_nterror(req, ntstatus);
2153                 return;
2154         }
2155
2156         dptr_num = dptr_dnum(conn->dirptr);
2157         DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2158
2159         /* Initialize per TRANS2_FIND_FIRST operation data */
2160         dptr_init_search_op(conn->dirptr);
2161
2162         /* We don't need to check for VOL here as this is returned by
2163                 a different TRANS2 call. */
2164
2165         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n", conn->dirpath,lp_dontdescend(SNUM(conn))));
2166         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2167                 dont_descend = True;
2168
2169         p = pdata;
2170         space_remaining = max_data_bytes;
2171         out_of_space = False;
2172
2173         for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2174                 bool got_exact_match = False;
2175
2176                 /* this is a heuristic to avoid seeking the dirptr except when
2177                         absolutely necessary. It allows for a filename of about 40 chars */
2178                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2179                         out_of_space = True;
2180                         finished = False;
2181                 } else {
2182                         finished = !get_lanman2_dir_entry(ctx,
2183                                         conn,
2184                                         req->flags2,
2185                                         mask,dirtype,info_level,
2186                                         requires_resume_key,dont_descend,
2187                                         ask_sharemode,
2188                                         &p,pdata,data_end,
2189                                         space_remaining, &out_of_space,
2190                                         &got_exact_match,
2191                                         &last_entry_off, ea_list);
2192                 }
2193
2194                 if (finished && out_of_space)
2195                         finished = False;
2196
2197                 if (!finished && !out_of_space)
2198                         numentries++;
2199
2200                 /*
2201                  * As an optimisation if we know we aren't looking
2202                  * for a wildcard name (ie. the name matches the wildcard exactly)
2203                  * then we can finish on any (first) match.
2204                  * This speeds up large directory searches. JRA.
2205                  */
2206
2207                 if(got_exact_match)
2208                         finished = True;
2209
2210                 /* Ensure space_remaining never goes -ve. */
2211                 if (PTR_DIFF(p,pdata) > max_data_bytes) {
2212                         space_remaining = 0;
2213                         out_of_space = true;
2214                 } else {
2215                         space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2216                 }
2217         }
2218
2219         /* Check if we can close the dirptr */
2220         if(close_after_first || (finished && close_if_end)) {
2221                 DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2222                 dptr_close(&dptr_num);
2223         }
2224
2225         /*
2226          * If there are no matching entries we must return ERRDOS/ERRbadfile -
2227          * from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2228          * the protocol level is less than NT1. Tested with smbclient. JRA.
2229          * This should fix the OS/2 client bug #2335.
2230          */
2231
2232         if(numentries == 0) {
2233                 dptr_close(&dptr_num);
2234                 if (Protocol < PROTOCOL_NT1) {
2235                         reply_doserror(req, ERRDOS, ERRnofiles);
2236                         return;
2237                 } else {
2238                         reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2239                                         ERRDOS, ERRbadfile);
2240                         return;
2241                 }
2242         }
2243
2244         /* At this point pdata points to numentries directory entries. */
2245
2246         /* Set up the return parameter block */
2247         SSVAL(params,0,dptr_num);
2248         SSVAL(params,2,numentries);
2249         SSVAL(params,4,finished);
2250         SSVAL(params,6,0); /* Never an EA error */
2251         SSVAL(params,8,last_entry_off);
2252
2253         send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2254                             max_data_bytes);
2255
2256         if ((! *directory) && dptr_path(dptr_num)) {
2257                 directory = talloc_strdup(talloc_tos(),dptr_path(dptr_num));
2258                 if (!directory) {
2259                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2260                 }
2261         }
2262
2263         DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2264                 smb_fn_name(req->cmd),
2265                 mask, directory, dirtype, numentries ) );
2266
2267         /*
2268          * Force a name mangle here to ensure that the
2269          * mask as an 8.3 name is top of the mangled cache.
2270          * The reasons for this are subtle. Don't remove
2271          * this code unless you know what you are doing
2272          * (see PR#13758). JRA.
2273          */
2274
2275         if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2276                 char mangled_name[13];
2277                 name_to_8_3(mask, mangled_name, True, conn->params);
2278         }
2279
2280         return;
2281 }
2282
2283 /****************************************************************************
2284  Reply to a TRANS2_FINDNEXT.
2285 ****************************************************************************/
2286
2287 static void call_trans2findnext(connection_struct *conn,
2288                                 struct smb_request *req,
2289                                 char **pparams, int total_params,
2290                                 char **ppdata, int total_data,
2291                                 unsigned int max_data_bytes)
2292 {
2293         /* We must be careful here that we don't return more than the
2294                 allowed number of data bytes. If this means returning fewer than
2295                 maxentries then so be it. We assume that the redirector has
2296                 enough room for the fixed number of parameter bytes it has
2297                 requested. */
2298         char *params = *pparams;
2299         char *pdata = *ppdata;
2300         char *data_end;
2301         int dptr_num;
2302         int maxentries;
2303         uint16 info_level;
2304         uint32 resume_key;
2305         uint16 findnext_flags;
2306         bool close_after_request;
2307         bool close_if_end;
2308         bool requires_resume_key;
2309         bool continue_bit;
2310         bool mask_contains_wcard = False;
2311         char *resume_name = NULL;
2312         const char *mask = NULL;
2313         const char *directory = NULL;
2314         char *p = NULL;
2315         uint16 dirtype;
2316         int numentries = 0;
2317         int i, last_entry_off=0;
2318         bool finished = False;
2319         bool dont_descend = False;
2320         bool out_of_space = False;
2321         int space_remaining;
2322         struct ea_list *ea_list = NULL;
2323         NTSTATUS ntstatus = NT_STATUS_OK;
2324         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2325         TALLOC_CTX *ctx = talloc_tos();
2326
2327         if (total_params < 13) {
2328                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2329                 return;
2330         }
2331
2332         dptr_num = SVAL(params,0);
2333         maxentries = SVAL(params,2);
2334         info_level = SVAL(params,4);
2335         resume_key = IVAL(params,6);
2336         findnext_flags = SVAL(params,10);
2337         close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2338         close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2339         requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2340         continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2341
2342         srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2343                               params+12,
2344                               total_params - 12, STR_TERMINATE, &ntstatus,
2345                               &mask_contains_wcard);
2346         if (!NT_STATUS_IS_OK(ntstatus)) {
2347                 /* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2348                    complain (it thinks we're asking for the directory above the shared
2349                    path or an invalid name). Catch this as the resume name is only compared, never used in
2350                    a file access. JRA. */
2351                 srvstr_pull_talloc(ctx, params, req->flags2,
2352                                 &resume_name, params+12,
2353                                 total_params - 12,
2354                                 STR_TERMINATE);
2355
2356                 if (!resume_name || !(ISDOT(resume_name) || ISDOTDOT(resume_name))) {
2357                         reply_nterror(req, ntstatus);
2358                         return;
2359                 }
2360         }
2361
2362         DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2363 close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2364 resume_key = %d resume name = %s continue=%d level = %d\n",
2365                 dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end, 
2366                 requires_resume_key, resume_key, resume_name, continue_bit, info_level));
2367
2368         if (!maxentries) {
2369                 /* W2K3 seems to treat zero as 1. */
2370                 maxentries = 1;
2371         }
2372
2373         switch (info_level) {
2374                 case SMB_FIND_INFO_STANDARD:
2375                 case SMB_FIND_EA_SIZE:
2376                 case SMB_FIND_EA_LIST:
2377                 case SMB_FIND_FILE_DIRECTORY_INFO:
2378                 case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2379                 case SMB_FIND_FILE_NAMES_INFO:
2380                 case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2381                 case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2382                 case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2383                         break;
2384                 case SMB_FIND_FILE_UNIX:
2385                 case SMB_FIND_FILE_UNIX_INFO2:
2386                         /* Always use filesystem for UNIX mtime query. */
2387                         ask_sharemode = false;
2388                         if (!lp_unix_extensions()) {
2389                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2390                                 return;
2391                         }
2392                         break;
2393                 default:
2394                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2395                         return;
2396         }
2397
2398         if (info_level == SMB_FIND_EA_LIST) {
2399                 uint32 ea_size;
2400
2401                 if (total_data < 4) {
2402                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2403                         return;
2404                 }
2405
2406                 ea_size = IVAL(pdata,0);
2407                 if (ea_size != total_data) {
2408                         DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2409 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2410                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2411                         return;
2412                 }
2413
2414                 if (!lp_ea_support(SNUM(conn))) {
2415                         reply_doserror(req, ERRDOS, ERReasnotsupported);
2416                         return;
2417                 }
2418
2419                 /* Pull out the list of names. */
2420                 ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2421                 if (!ea_list) {
2422                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2423                         return;
2424                 }
2425         }
2426
2427         *ppdata = (char *)SMB_REALLOC(
2428                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2429         if(*ppdata == NULL) {
2430                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2431                 return;
2432         }
2433
2434         pdata = *ppdata;
2435         data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2436
2437         /* Realloc the params space */
2438         *pparams = (char *)SMB_REALLOC(*pparams, 6*SIZEOFWORD);
2439         if(*pparams == NULL ) {
2440                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2441                 return;
2442         }
2443
2444         params = *pparams;
2445
2446         /* Check that the dptr is valid */
2447         if(!(conn->dirptr = dptr_fetch_lanman2(dptr_num))) {
2448                 reply_doserror(req, ERRDOS, ERRnofiles);
2449                 return;
2450         }
2451
2452         string_set(&conn->dirpath,dptr_path(dptr_num));
2453
2454         /* Get the wildcard mask from the dptr */
2455         if((p = dptr_wcard(dptr_num))== NULL) {
2456                 DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2457                 reply_doserror(req, ERRDOS, ERRnofiles);
2458                 return;
2459         }
2460
2461         mask = p;
2462         directory = conn->dirpath;
2463
2464         /* Get the attr mask from the dptr */
2465         dirtype = dptr_attr(dptr_num);
2466
2467         DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2468                 dptr_num, mask, dirtype,
2469                 (long)conn->dirptr,
2470                 dptr_TellDir(conn->dirptr)));
2471
2472         /* Initialize per TRANS2_FIND_NEXT operation data */
2473         dptr_init_search_op(conn->dirptr);
2474
2475         /* We don't need to check for VOL here as this is returned by
2476                 a different TRANS2 call. */
2477
2478         DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",conn->dirpath,lp_dontdescend(SNUM(conn))));
2479         if (in_list(conn->dirpath,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2480                 dont_descend = True;
2481
2482         p = pdata;
2483         space_remaining = max_data_bytes;
2484         out_of_space = False;
2485
2486         /*
2487          * Seek to the correct position. We no longer use the resume key but
2488          * depend on the last file name instead.
2489          */
2490
2491         if(*resume_name && !continue_bit) {
2492                 SMB_STRUCT_STAT st;
2493
2494                 long current_pos = 0;
2495                 /*
2496                  * Remember, name_to_8_3 is called by
2497                  * get_lanman2_dir_entry(), so the resume name
2498                  * could be mangled. Ensure we check the unmangled name.
2499                  */
2500
2501                 if (mangle_is_mangled(resume_name, conn->params)) {
2502                         char *new_resume_name = NULL;
2503                         mangle_lookup_name_from_8_3(ctx,
2504                                                 resume_name,
2505                                                 &new_resume_name,
2506                                                 conn->params);
2507                         if (new_resume_name) {
2508                                 resume_name = new_resume_name;
2509                         }
2510                 }
2511
2512                 /*
2513                  * Fix for NT redirector problem triggered by resume key indexes
2514                  * changing between directory scans. We now return a resume key of 0
2515                  * and instead look for the filename to continue from (also given
2516                  * to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2517                  * findfirst/findnext (as is usual) then the directory pointer
2518                  * should already be at the correct place.
2519                  */
2520
2521                 finished = !dptr_SearchDir(conn->dirptr, resume_name, &current_pos, &st);
2522         } /* end if resume_name && !continue_bit */
2523
2524         for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2525                 bool got_exact_match = False;
2526
2527                 /* this is a heuristic to avoid seeking the dirptr except when 
2528                         absolutely necessary. It allows for a filename of about 40 chars */
2529                 if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2530                         out_of_space = True;
2531                         finished = False;
2532                 } else {
2533                         finished = !get_lanman2_dir_entry(ctx,
2534                                                 conn,
2535                                                 req->flags2,
2536                                                 mask,dirtype,info_level,
2537                                                 requires_resume_key,dont_descend,
2538                                                 ask_sharemode,
2539                                                 &p,pdata,data_end,
2540                                                 space_remaining, &out_of_space,
2541                                                 &got_exact_match,
2542                                                 &last_entry_off, ea_list);
2543                 }
2544
2545                 if (finished && out_of_space)
2546                         finished = False;
2547
2548                 if (!finished && !out_of_space)
2549                         numentries++;
2550
2551                 /*
2552                  * As an optimisation if we know we aren't looking
2553                  * for a wildcard name (ie. the name matches the wildcard exactly)
2554                  * then we can finish on any (first) match.
2555                  * This speeds up large directory searches. JRA.
2556                  */
2557
2558                 if(got_exact_match)
2559                         finished = True;
2560
2561                 space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2562         }
2563
2564         DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2565                 smb_fn_name(req->cmd),
2566                 mask, directory, dirtype, numentries ) );
2567
2568         /* Check if we can close the dirptr */
2569         if(close_after_request || (finished && close_if_end)) {
2570                 DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2571                 dptr_close(&dptr_num); /* This frees up the saved mask */
2572         }
2573
2574         /* Set up the return parameter block */
2575         SSVAL(params,0,numentries);
2576         SSVAL(params,2,finished);
2577         SSVAL(params,4,0); /* Never an EA error */
2578         SSVAL(params,6,last_entry_off);
2579
2580         send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2581                             max_data_bytes);
2582
2583         return;
2584 }
2585
2586 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16])
2587 {
2588         E_md4hash(lp_servicename(SNUM(conn)),objid);
2589         return objid;
2590 }
2591
2592 static void samba_extended_info_version(struct smb_extended_info *extended_info)
2593 {
2594         SMB_ASSERT(extended_info != NULL);
2595
2596         extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2597         extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2598                                        | ((SAMBA_VERSION_MINOR & 0xff) << 16)
2599                                        | ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2600 #ifdef SAMBA_VERSION_REVISION
2601         extended_info->samba_version |= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2602 #endif
2603         extended_info->samba_subversion = 0;
2604 #ifdef SAMBA_VERSION_RC_RELEASE
2605         extended_info->samba_subversion |= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2606 #else
2607 #ifdef SAMBA_VERSION_PRE_RELEASE
2608         extended_info->samba_subversion |= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2609 #endif
2610 #endif
2611 #ifdef SAMBA_VERSION_VENDOR_PATCH
2612         extended_info->samba_subversion |= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2613 #endif
2614         extended_info->samba_gitcommitdate = 0;
2615 #ifdef SAMBA_VERSION_GIT_COMMIT_TIME
2616         unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_GIT_COMMIT_TIME);
2617 #endif
2618
2619         memset(extended_info->samba_version_string, 0,
2620                sizeof(extended_info->samba_version_string));
2621
2622         snprintf (extended_info->samba_version_string,
2623                   sizeof(extended_info->samba_version_string),
2624                   "%s", samba_version_string());
2625 }
2626
2627 /****************************************************************************
2628  Reply to a TRANS2_QFSINFO (query filesystem info).
2629 ****************************************************************************/
2630
2631 static void call_trans2qfsinfo(connection_struct *conn,
2632                                struct smb_request *req,
2633                                char **pparams, int total_params,
2634                                char **ppdata, int total_data,
2635                                unsigned int max_data_bytes)
2636 {
2637         char *pdata, *end_data;
2638         char *params = *pparams;
2639         uint16 info_level;
2640         int data_len, len;
2641         SMB_STRUCT_STAT st;
2642         const char *vname = volume_label(SNUM(conn));
2643         int snum = SNUM(conn);
2644         char *fstype = lp_fstype(SNUM(conn));
2645         uint32 additional_flags = 0;
2646
2647         if (total_params < 2) {
2648                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2649                 return;
2650         }
2651
2652         info_level = SVAL(params,0);
2653
2654         if (IS_IPC(conn)) {
2655                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2656                         DEBUG(0,("call_trans2qfsinfo: not an allowed "
2657                                 "info level (0x%x) on IPC$.\n",
2658                                 (unsigned int)info_level));
2659                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2660                         return;
2661                 }
2662         }
2663
2664         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
2665                 if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2666                         DEBUG(0,("call_trans2qfsinfo: encryption required "
2667                                 "and info level 0x%x sent.\n",
2668                                 (unsigned int)info_level));
2669                         exit_server_cleanly("encryption required "
2670                                 "on connection");
2671                         return;
2672                 }
2673         }
2674
2675         DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
2676
2677         if(vfs_stat_smb_fname(conn,".",&st)!=0) {
2678                 DEBUG(2,("call_trans2qfsinfo: stat of . failed (%s)\n", strerror(errno)));
2679                 reply_doserror(req, ERRSRV, ERRinvdevice);
2680                 return;
2681         }
2682
2683         *ppdata = (char *)SMB_REALLOC(
2684                 *ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2685         if (*ppdata == NULL ) {
2686                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2687                 return;
2688         }
2689
2690         pdata = *ppdata;
2691         memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2692         end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2693
2694         switch (info_level) {
2695                 case SMB_INFO_ALLOCATION:
2696                 {
2697                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2698                         data_len = 18;
2699                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2700                                 reply_nterror(req, map_nt_error_from_unix(errno));
2701                                 return;
2702                         }
2703
2704                         block_size = lp_block_size(snum);
2705                         if (bsize < block_size) {
2706                                 uint64_t factor = block_size/bsize;
2707                                 bsize = block_size;
2708                                 dsize /= factor;
2709                                 dfree /= factor;
2710                         }
2711                         if (bsize > block_size) {
2712                                 uint64_t factor = bsize/block_size;
2713                                 bsize = block_size;
2714                                 dsize *= factor;
2715                                 dfree *= factor;
2716                         }
2717                         bytes_per_sector = 512;
2718                         sectors_per_unit = bsize/bytes_per_sector;
2719
2720                         DEBUG(5,("call_trans2qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
2721 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
2722                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2723
2724                         SIVAL(pdata,l1_idFileSystem,st.st_ex_dev);
2725                         SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
2726                         SIVAL(pdata,l1_cUnit,dsize);
2727                         SIVAL(pdata,l1_cUnitAvail,dfree);
2728                         SSVAL(pdata,l1_cbSector,bytes_per_sector);
2729                         break;
2730                 }
2731
2732                 case SMB_INFO_VOLUME:
2733                         /* Return volume name */
2734                         /* 
2735                          * Add volume serial number - hash of a combination of
2736                          * the called hostname and the service name.
2737                          */
2738                         SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
2739                         /*
2740                          * Win2k3 and previous mess this up by sending a name length
2741                          * one byte short. I believe only older clients (OS/2 Win9x) use
2742                          * this call so try fixing this by adding a terminating null to
2743                          * the pushed string. The change here was adding the STR_TERMINATE. JRA.
2744                          */
2745                         len = srvstr_push(
2746                                 pdata, req->flags2,
2747                                 pdata+l2_vol_szVolLabel, vname,
2748                                 PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
2749                                 STR_NOALIGN|STR_TERMINATE);
2750                         SCVAL(pdata,l2_vol_cch,len);
2751                         data_len = l2_vol_szVolLabel + len;
2752                         DEBUG(5,("call_trans2qfsinfo : time = %x, namelen = %d, name = %s\n",
2753                                  (unsigned)convert_timespec_to_time_t(st.st_ex_ctime),
2754                                  len, vname));
2755                         break;
2756
2757                 case SMB_QUERY_FS_ATTRIBUTE_INFO:
2758                 case SMB_FS_ATTRIBUTE_INFORMATION:
2759
2760                         additional_flags = 0;
2761 #if defined(HAVE_SYS_QUOTAS)
2762                         additional_flags |= FILE_VOLUME_QUOTAS;
2763 #endif
2764
2765                         if(lp_nt_acl_support(SNUM(conn))) {
2766                                 additional_flags |= FILE_PERSISTENT_ACLS;
2767                         }
2768
2769                         /* Capabilities are filled in at connection time through STATVFS call */
2770                         additional_flags |= conn->fs_capabilities;
2771
2772                         SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES|FILE_CASE_SENSITIVE_SEARCH|
2773                                 FILE_SUPPORTS_OBJECT_IDS|FILE_UNICODE_ON_DISK|
2774                                 additional_flags); /* FS ATTRIBUTES */
2775
2776                         SIVAL(pdata,4,255); /* Max filename component length */
2777                         /* NOTE! the fstype must *not* be null terminated or win98 won't recognise it
2778                                 and will think we can't do long filenames */
2779                         len = srvstr_push(pdata, req->flags2, pdata+12, fstype,
2780                                           PTR_DIFF(end_data, pdata+12),
2781                                           STR_UNICODE);
2782                         SIVAL(pdata,8,len);
2783                         data_len = 12 + len;
2784                         break;
2785
2786                 case SMB_QUERY_FS_LABEL_INFO:
2787                 case SMB_FS_LABEL_INFORMATION:
2788                         len = srvstr_push(pdata, req->flags2, pdata+4, vname,
2789                                           PTR_DIFF(end_data, pdata+4), 0);
2790                         data_len = 4 + len;
2791                         SIVAL(pdata,0,len);
2792                         break;
2793
2794                 case SMB_QUERY_FS_VOLUME_INFO:      
2795                 case SMB_FS_VOLUME_INFORMATION:
2796
2797                         /* 
2798                          * Add volume serial number - hash of a combination of
2799                          * the called hostname and the service name.
2800                          */
2801                         SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^ 
2802                                 (str_checksum(get_local_machine_name())<<16));
2803
2804                         /* Max label len is 32 characters. */
2805                         len = srvstr_push(pdata, req->flags2, pdata+18, vname,
2806                                           PTR_DIFF(end_data, pdata+18),
2807                                           STR_UNICODE);
2808                         SIVAL(pdata,12,len);
2809                         data_len = 18+len;
2810
2811                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n", 
2812                                 (int)strlen(vname),vname, lp_servicename(snum)));
2813                         break;
2814
2815                 case SMB_QUERY_FS_SIZE_INFO:
2816                 case SMB_FS_SIZE_INFORMATION:
2817                 {
2818                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2819                         data_len = 24;
2820                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2821                                 reply_nterror(req, map_nt_error_from_unix(errno));
2822                                 return;
2823                         }
2824                         block_size = lp_block_size(snum);
2825                         if (bsize < block_size) {
2826                                 uint64_t factor = block_size/bsize;
2827                                 bsize = block_size;
2828                                 dsize /= factor;
2829                                 dfree /= factor;
2830                         }
2831                         if (bsize > block_size) {
2832                                 uint64_t factor = bsize/block_size;
2833                                 bsize = block_size;
2834                                 dsize *= factor;
2835                                 dfree *= factor;
2836                         }
2837                         bytes_per_sector = 512;
2838                         sectors_per_unit = bsize/bytes_per_sector;
2839                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2840 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2841                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2842                         SBIG_UINT(pdata,0,dsize);
2843                         SBIG_UINT(pdata,8,dfree);
2844                         SIVAL(pdata,16,sectors_per_unit);
2845                         SIVAL(pdata,20,bytes_per_sector);
2846                         break;
2847                 }
2848
2849                 case SMB_FS_FULL_SIZE_INFORMATION:
2850                 {
2851                         uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2852                         data_len = 32;
2853                         if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2854                                 reply_nterror(req, map_nt_error_from_unix(errno));
2855                                 return;
2856                         }
2857                         block_size = lp_block_size(snum);
2858                         if (bsize < block_size) {
2859                                 uint64_t factor = block_size/bsize;
2860                                 bsize = block_size;
2861                                 dsize /= factor;
2862                                 dfree /= factor;
2863                         }
2864                         if (bsize > block_size) {
2865                                 uint64_t factor = bsize/block_size;
2866                                 bsize = block_size;
2867                                 dsize *= factor;
2868                                 dfree *= factor;
2869                         }
2870                         bytes_per_sector = 512;
2871                         sectors_per_unit = bsize/bytes_per_sector;
2872                         DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
2873 cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
2874                                 (unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
2875                         SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
2876                         SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
2877                         SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
2878                         SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
2879                         SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
2880                         break;
2881                 }
2882
2883                 case SMB_QUERY_FS_DEVICE_INFO:
2884                 case SMB_FS_DEVICE_INFORMATION:
2885                         data_len = 8;
2886                         SIVAL(pdata,0,0); /* dev type */
2887                         SIVAL(pdata,4,0); /* characteristics */
2888                         break;
2889
2890 #ifdef HAVE_SYS_QUOTAS
2891                 case SMB_FS_QUOTA_INFORMATION:
2892                 /* 
2893                  * what we have to send --metze:
2894                  *
2895                  * Unknown1:            24 NULL bytes
2896                  * Soft Quota Treshold: 8 bytes seems like uint64_t or so
2897                  * Hard Quota Limit:    8 bytes seems like uint64_t or so
2898                  * Quota Flags:         2 byte :
2899                  * Unknown3:            6 NULL bytes
2900                  *
2901                  * 48 bytes total
2902                  * 
2903                  * details for Quota Flags:
2904                  * 
2905                  * 0x0020 Log Limit: log if the user exceeds his Hard Quota
2906                  * 0x0010 Log Warn:  log if the user exceeds his Soft Quota
2907                  * 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
2908                  * 0x0001 Enable Quotas: enable quota for this fs
2909                  *
2910                  */
2911                 {
2912                         /* we need to fake up a fsp here,
2913                          * because its not send in this call
2914                          */
2915                         files_struct fsp;
2916                         SMB_NTQUOTA_STRUCT quotas;
2917
2918                         ZERO_STRUCT(fsp);
2919                         ZERO_STRUCT(quotas);
2920
2921                         fsp.conn = conn;
2922                         fsp.fnum = -1;
2923
2924                         /* access check */
2925                         if (conn->server_info->utok.uid != 0) {
2926                                 DEBUG(0,("set_user_quota: access_denied "
2927                                          "service [%s] user [%s]\n",
2928                                          lp_servicename(SNUM(conn)),
2929                                          conn->server_info->unix_name));
2930                                 reply_doserror(req, ERRDOS, ERRnoaccess);
2931                                 return;
2932                         }
2933
2934                         if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
2935                                 DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
2936                                 reply_doserror(req, ERRSRV, ERRerror);
2937                                 return;
2938                         }
2939
2940                         data_len = 48;
2941
2942                         DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",lp_servicename(SNUM(conn))));          
2943
2944                         /* Unknown1 24 NULL bytes*/
2945                         SBIG_UINT(pdata,0,(uint64_t)0);
2946                         SBIG_UINT(pdata,8,(uint64_t)0);
2947                         SBIG_UINT(pdata,16,(uint64_t)0);
2948
2949                         /* Default Soft Quota 8 bytes */
2950                         SBIG_UINT(pdata,24,quotas.softlim);
2951
2952                         /* Default Hard Quota 8 bytes */
2953                         SBIG_UINT(pdata,32,quotas.hardlim);
2954
2955                         /* Quota flag 2 bytes */
2956                         SSVAL(pdata,40,quotas.qflags);
2957
2958                         /* Unknown3 6 NULL bytes */
2959                         SSVAL(pdata,42,0);
2960                         SIVAL(pdata,44,0);
2961
2962                         break;
2963                 }
2964 #endif /* HAVE_SYS_QUOTAS */
2965                 case SMB_FS_OBJECTID_INFORMATION:
2966                 {
2967                         unsigned char objid[16];
2968                         struct smb_extended_info extended_info;
2969                         memcpy(pdata,create_volume_objectid(conn, objid),16);
2970                         samba_extended_info_version (&extended_info);
2971                         SIVAL(pdata,16,extended_info.samba_magic);
2972                         SIVAL(pdata,20,extended_info.samba_version);
2973                         SIVAL(pdata,24,extended_info.samba_subversion);
2974                         SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
2975                         memcpy(pdata+36,extended_info.samba_version_string,28);
2976                         data_len = 64;
2977                         break;
2978                 }
2979
2980                 /*
2981                  * Query the version and capabilities of the CIFS UNIX extensions
2982                  * in use.
2983                  */
2984
2985                 case SMB_QUERY_CIFS_UNIX_INFO:
2986                 {
2987                         bool large_write = lp_min_receive_file_size() &&
2988                                         !srv_is_signing_active(smbd_server_conn);
2989                         bool large_read = !srv_is_signing_active(smbd_server_conn);
2990                         int encrypt_caps = 0;
2991
2992                         if (!lp_unix_extensions()) {
2993                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2994                                 return;
2995                         }
2996
2997                         switch (conn->encrypt_level) {
2998                         case 0:
2999                                 encrypt_caps = 0;
3000                                 break;
3001                         case 1:
3002                         case Auto:
3003                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
3004                                 break;
3005                         case Required:
3006                                 encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP|
3007                                                 CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
3008                                 large_write = false;
3009                                 large_read = false;
3010                                 break;
3011                         }
3012
3013                         data_len = 12;
3014                         SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
3015                         SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
3016
3017                         /* We have POSIX ACLs, pathname, encryption, 
3018                          * large read/write, and locking capability. */
3019
3020                         SBIG_UINT(pdata,4,((uint64_t)(
3021                                         CIFS_UNIX_POSIX_ACLS_CAP|
3022                                         CIFS_UNIX_POSIX_PATHNAMES_CAP|
3023                                         CIFS_UNIX_FCNTL_LOCKS_CAP|
3024                                         CIFS_UNIX_EXTATTR_CAP|
3025                                         CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP|
3026                                         encrypt_caps|
3027                                         (large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) |
3028                                         (large_write ?
3029                                         CIFS_UNIX_LARGE_WRITE_CAP : 0))));
3030                         break;
3031                 }
3032
3033                 case SMB_QUERY_POSIX_FS_INFO:
3034                 {
3035                         int rc;
3036                         vfs_statvfs_struct svfs;
3037
3038                         if (!lp_unix_extensions()) {
3039                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3040                                 return;
3041                         }
3042
3043                         rc = SMB_VFS_STATVFS(conn, ".", &svfs);
3044
3045                         if (!rc) {
3046                                 data_len = 56;
3047                                 SIVAL(pdata,0,svfs.OptimalTransferSize);
3048                                 SIVAL(pdata,4,svfs.BlockSize);
3049                                 SBIG_UINT(pdata,8,svfs.TotalBlocks);
3050                                 SBIG_UINT(pdata,16,svfs.BlocksAvail);
3051                                 SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
3052                                 SBIG_UINT(pdata,32,svfs.TotalFileNodes);
3053                                 SBIG_UINT(pdata,40,svfs.FreeFileNodes);
3054                                 SBIG_UINT(pdata,48,svfs.FsIdentifier);
3055                                 DEBUG(5,("call_trans2qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
3056 #ifdef EOPNOTSUPP
3057                         } else if (rc == EOPNOTSUPP) {
3058                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3059                                 return;
3060 #endif /* EOPNOTSUPP */
3061                         } else {
3062                                 DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3063                                 reply_doserror(req, ERRSRV, ERRerror);
3064                                 return;
3065                         }
3066                         break;
3067                 }
3068
3069                 case SMB_QUERY_POSIX_WHOAMI:
3070                 {
3071                         uint32_t flags = 0;
3072                         uint32_t sid_bytes;
3073                         int i;
3074
3075                         if (!lp_unix_extensions()) {
3076                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3077                                 return;
3078                         }
3079
3080                         if (max_data_bytes < 40) {
3081                                 reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
3082                                 return;
3083                         }
3084
3085                         /* We ARE guest if global_sid_Builtin_Guests is
3086                          * in our list of SIDs.
3087                          */
3088                         if (nt_token_check_sid(&global_sid_Builtin_Guests,
3089                                                conn->server_info->ptok)) {
3090                                 flags |= SMB_WHOAMI_GUEST;
3091                         }
3092
3093                         /* We are NOT guest if global_sid_Authenticated_Users
3094                          * is in our list of SIDs.
3095                          */
3096                         if (nt_token_check_sid(&global_sid_Authenticated_Users,
3097                                                conn->server_info->ptok)) {
3098                                 flags &= ~SMB_WHOAMI_GUEST;
3099                         }
3100
3101                         /* NOTE: 8 bytes for UID/GID, irrespective of native
3102                          * platform size. This matches
3103                          * SMB_QUERY_FILE_UNIX_BASIC and friends.
3104                          */
3105                         data_len = 4 /* flags */
3106                             + 4 /* flag mask */
3107                             + 8 /* uid */
3108                             + 8 /* gid */
3109                             + 4 /* ngroups */
3110                             + 4 /* num_sids */
3111                             + 4 /* SID bytes */
3112                             + 4 /* pad/reserved */
3113                             + (conn->server_info->utok.ngroups * 8)
3114                                 /* groups list */
3115                             + (conn->server_info->ptok->num_sids *
3116                                     SID_MAX_SIZE)
3117                                 /* SID list */;
3118
3119                         SIVAL(pdata, 0, flags);
3120                         SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3121                         SBIG_UINT(pdata, 8,
3122                                   (uint64_t)conn->server_info->utok.uid);
3123                         SBIG_UINT(pdata, 16,
3124                                   (uint64_t)conn->server_info->utok.gid);
3125
3126
3127                         if (data_len >= max_data_bytes) {
3128                                 /* Potential overflow, skip the GIDs and SIDs. */
3129
3130                                 SIVAL(pdata, 24, 0); /* num_groups */
3131                                 SIVAL(pdata, 28, 0); /* num_sids */
3132                                 SIVAL(pdata, 32, 0); /* num_sid_bytes */
3133                                 SIVAL(pdata, 36, 0); /* reserved */
3134
3135                                 data_len = 40;
3136                                 break;
3137                         }
3138
3139                         SIVAL(pdata, 24, conn->server_info->utok.ngroups);
3140                         SIVAL(pdata, 28, conn->server_info->num_sids);
3141
3142                         /* We walk the SID list twice, but this call is fairly
3143                          * infrequent, and I don't expect that it's performance
3144                          * sensitive -- jpeach
3145                          */
3146                         for (i = 0, sid_bytes = 0;
3147                              i < conn->server_info->ptok->num_sids; ++i) {
3148                                 sid_bytes += ndr_size_dom_sid(
3149                                         &conn->server_info->ptok->user_sids[i],
3150                                         NULL, 
3151                                         0);
3152                         }
3153
3154                         /* SID list byte count */
3155                         SIVAL(pdata, 32, sid_bytes);
3156
3157                         /* 4 bytes pad/reserved - must be zero */
3158                         SIVAL(pdata, 36, 0);
3159                         data_len = 40;
3160
3161                         /* GID list */
3162                         for (i = 0; i < conn->server_info->utok.ngroups; ++i) {
3163                                 SBIG_UINT(pdata, data_len,
3164                                           (uint64_t)conn->server_info->utok.groups[i]);
3165                                 data_len += 8;
3166                         }
3167
3168                         /* SID list */
3169                         for (i = 0;
3170                             i < conn->server_info->ptok->num_sids; ++i) {
3171                                 int sid_len = ndr_size_dom_sid(
3172                                         &conn->server_info->ptok->user_sids[i],
3173                                         NULL,
3174                                         0);
3175
3176                                 sid_linearize(pdata + data_len, sid_len,
3177                                     &conn->server_info->ptok->user_sids[i]);
3178                                 data_len += sid_len;
3179                         }
3180
3181                         break;
3182                 }
3183
3184                 case SMB_MAC_QUERY_FS_INFO:
3185                         /*
3186                          * Thursby MAC extension... ONLY on NTFS filesystems
3187                          * once we do streams then we don't need this
3188                          */
3189                         if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3190                                 data_len = 88;
3191                                 SIVAL(pdata,84,0x100); /* Don't support mac... */
3192                                 break;
3193                         }
3194                         /* drop through */
3195                 default:
3196                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3197                         return;
3198         }
3199
3200
3201         send_trans2_replies(conn, req, params, 0, pdata, data_len,
3202                             max_data_bytes);
3203
3204         DEBUG( 4, ( "%s info_level = %d\n",
3205                     smb_fn_name(req->cmd), info_level) );
3206
3207         return;
3208 }
3209
3210 /****************************************************************************
3211  Reply to a TRANS2_SETFSINFO (set filesystem info).
3212 ****************************************************************************/
3213
3214 static void call_trans2setfsinfo(connection_struct *conn,
3215                                  struct smb_request *req,
3216                                  char **pparams, int total_params,
3217                                  char **ppdata, int total_data,
3218                                  unsigned int max_data_bytes)
3219 {
3220         char *pdata = *ppdata;
3221         char *params = *pparams;
3222         uint16 info_level;
3223
3224         DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3225
3226         /*  */
3227         if (total_params < 4) {
3228                 DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3229                         total_params));
3230                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3231                 return;
3232         }
3233
3234         info_level = SVAL(params,2);
3235
3236         if (IS_IPC(conn)) {
3237                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3238                                 info_level != SMB_SET_CIFS_UNIX_INFO) {
3239                         DEBUG(0,("call_trans2setfsinfo: not an allowed "
3240                                 "info level (0x%x) on IPC$.\n",
3241                                 (unsigned int)info_level));
3242                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3243                         return;
3244                 }
3245         }
3246
3247         if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3248                 if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3249                         DEBUG(0,("call_trans2setfsinfo: encryption required "
3250                                 "and info level 0x%x sent.\n",
3251                                 (unsigned int)info_level));
3252                         exit_server_cleanly("encryption required "
3253                                 "on connection");
3254                         return;
3255                 }
3256         }
3257
3258         switch(info_level) {
3259                 case SMB_SET_CIFS_UNIX_INFO:
3260                         {
3261                                 uint16 client_unix_major;
3262                                 uint16 client_unix_minor;
3263                                 uint32 client_unix_cap_low;
3264                                 uint32 client_unix_cap_high;
3265
3266                                 if (!lp_unix_extensions()) {
3267                                         reply_nterror(req,
3268                                                       NT_STATUS_INVALID_LEVEL);
3269                                         return;
3270                                 }
3271
3272                                 /* There should be 12 bytes of capabilities set. */
3273                                 if (total_data < 8) {
3274                                         reply_nterror(
3275                                                 req,
3276                                                 NT_STATUS_INVALID_PARAMETER);
3277                                         return;
3278                                 }
3279                                 client_unix_major = SVAL(pdata,0);
3280                                 client_unix_minor = SVAL(pdata,2);
3281                                 client_unix_cap_low = IVAL(pdata,4);
3282                                 client_unix_cap_high = IVAL(pdata,8);
3283                                 /* Just print these values for now. */
3284                                 DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3285 cap_low = 0x%x, cap_high = 0x%x\n",
3286                                         (unsigned int)client_unix_major,
3287                                         (unsigned int)client_unix_minor,
3288                                         (unsigned int)client_unix_cap_low,
3289                                         (unsigned int)client_unix_cap_high ));
3290
3291                                 /* Here is where we must switch to posix pathname processing... */
3292                                 if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3293                                         lp_set_posix_pathnames();
3294                                         mangle_change_to_posix();
3295                                 }
3296
3297                                 if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3298                                     !(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3299                                         /* Client that knows how to do posix locks,
3300                                          * but not posix open/mkdir operations. Set a
3301                                          * default type for read/write checks. */
3302
3303                                         lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3304
3305                                 }
3306                                 break;
3307                         }
3308
3309                 case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3310                         {
3311                                 NTSTATUS status;
3312                                 size_t param_len = 0;
3313                                 size_t data_len = total_data;
3314
3315                                 if (!lp_unix_extensions()) {
3316                                         reply_nterror(
3317                                                 req,
3318                                                 NT_STATUS_INVALID_LEVEL);
3319                                         return;
3320                                 }
3321
3322                                 if (lp_smb_encrypt(SNUM(conn)) == false) {
3323                                         reply_nterror(
3324                                                 req,
3325                                                 NT_STATUS_NOT_SUPPORTED);
3326                                         return;
3327                                 }
3328
3329                                 DEBUG( 4,("call_trans2setfsinfo: "
3330                                         "request transport encryption.\n"));
3331
3332                                 status = srv_request_encryption_setup(conn,
3333                                                                 (unsigned char **)ppdata,
3334                                                                 &data_len,
3335                                                                 (unsigned char **)pparams,
3336                                                                 &param_len);
3337
3338                                 if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3339                                                 !NT_STATUS_IS_OK(status)) {
3340                                         reply_nterror(req, status);
3341                                         return;
3342                                 }
3343
3344                                 send_trans2_replies(conn, req,
3345                                                 *pparams,
3346                                                 param_len,
3347                                                 *ppdata,
3348                                                 data_len,
3349                                                 max_data_bytes);
3350
3351                                 if (NT_STATUS_IS_OK(status)) {
3352                                         /* Server-side transport
3353                                          * encryption is now *on*. */
3354                                         status = srv_encryption_start(conn);
3355                                         if (!NT_STATUS_IS_OK(status)) {
3356                                                 exit_server_cleanly(
3357                                                         "Failure in setting "
3358                                                         "up encrypted transport");
3359                                         }
3360                                 }
3361                                 return;
3362                         }
3363
3364                 case SMB_FS_QUOTA_INFORMATION:
3365                         {
3366                                 files_struct *fsp = NULL;
3367                                 SMB_NTQUOTA_STRUCT quotas;
3368
3369                                 ZERO_STRUCT(quotas);
3370
3371                                 /* access check */
3372                                 if ((conn->server_info->utok.uid != 0)
3373                                     ||!CAN_WRITE(conn)) {
3374                                         DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3375                                                  lp_servicename(SNUM(conn)),
3376                                                  conn->server_info->unix_name));
3377                                         reply_doserror(req, ERRSRV, ERRaccess);
3378                                         return;
3379                                 }
3380
3381                                 /* note: normaly there're 48 bytes,
3382                                  * but we didn't use the last 6 bytes for now 
3383                                  * --metze 
3384                                  */
3385                                 fsp = file_fsp(req, SVAL(params,0));
3386
3387                                 if (!check_fsp_ntquota_handle(conn, req,
3388                                                               fsp)) {
3389                                         DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3390                                         reply_nterror(
3391                                                 req, NT_STATUS_INVALID_HANDLE);
3392                                         return;
3393                                 }
3394
3395                                 if (total_data < 42) {
3396                                         DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3397                                                 total_data));
3398                                         reply_nterror(
3399                                                 req,
3400                                                 NT_STATUS_INVALID_PARAMETER);
3401                                         return;
3402                                 }
3403
3404                                 /* unknown_1 24 NULL bytes in pdata*/
3405
3406                                 /* the soft quotas 8 bytes (uint64_t)*/
3407                                 quotas.softlim = (uint64_t)IVAL(pdata,24);
3408 #ifdef LARGE_SMB_OFF_T
3409                                 quotas.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
3410 #else /* LARGE_SMB_OFF_T */
3411                                 if ((IVAL(pdata,28) != 0)&&
3412                                         ((quotas.softlim != 0xFFFFFFFF)||
3413                                         (IVAL(pdata,28)!=0xFFFFFFFF))) {
3414                                         /* more than 32 bits? */
3415                                         reply_nterror(
3416                                                 req,
3417                                                 NT_STATUS_INVALID_PARAMETER);
3418                                         return;
3419                                 }
3420 #endif /* LARGE_SMB_OFF_T */
3421
3422                                 /* the hard quotas 8 bytes (uint64_t)*/
3423                                 quotas.hardlim = (uint64_t)IVAL(pdata,32);
3424 #ifdef LARGE_SMB_OFF_T
3425                                 quotas.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
3426 #else /* LARGE_SMB_OFF_T */
3427                                 if ((IVAL(pdata,36) != 0)&&
3428                                         ((quotas.hardlim != 0xFFFFFFFF)||
3429                                         (IVAL(pdata,36)!=0xFFFFFFFF))) {
3430                                         /* more than 32 bits? */
3431                                         reply_nterror(
3432                                                 req,
3433                                                 NT_STATUS_INVALID_PARAMETER);
3434                                         return;
3435                                 }
3436 #endif /* LARGE_SMB_OFF_T */
3437
3438                                 /* quota_flags 2 bytes **/
3439                                 quotas.qflags = SVAL(pdata,40);
3440
3441                                 /* unknown_2 6 NULL bytes follow*/
3442
3443                                 /* now set the quotas */
3444                                 if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3445                                         DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3446                                         reply_doserror(req, ERRSRV, ERRerror);
3447                                         return;
3448                                 }
3449
3450                                 break;
3451                         }
3452                 default:
3453                         DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3454                                 info_level));
3455                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3456                         return;
3457                         break;
3458         }
3459
3460         /* 
3461          * sending this reply works fine, 
3462          * but I'm not sure it's the same 
3463          * like windows do...
3464          * --metze
3465          */
3466         reply_outbuf(req, 10, 0);
3467 }
3468
3469 #if defined(HAVE_POSIX_ACLS)
3470 /****************************************************************************
3471  Utility function to count the number of entries in a POSIX acl.
3472 ****************************************************************************/
3473
3474 static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3475 {
3476         unsigned int ace_count = 0;
3477         int entry_id = SMB_ACL_FIRST_ENTRY;
3478         SMB_ACL_ENTRY_T entry;
3479
3480         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3481                 /* get_next... */
3482                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3483                         entry_id = SMB_ACL_NEXT_ENTRY;
3484                 }
3485                 ace_count++;
3486         }
3487         return ace_count;
3488 }
3489
3490 /****************************************************************************
3491  Utility function to marshall a POSIX acl into wire format.
3492 ****************************************************************************/
3493
3494 static bool marshall_posix_acl(connection_struct *conn, char *pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3495 {
3496         int entry_id = SMB_ACL_FIRST_ENTRY;
3497         SMB_ACL_ENTRY_T entry;
3498
3499         while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3500                 SMB_ACL_TAG_T tagtype;
3501                 SMB_ACL_PERMSET_T permset;
3502                 unsigned char perms = 0;
3503                 unsigned int own_grp;
3504
3505                 /* get_next... */
3506                 if (entry_id == SMB_ACL_FIRST_ENTRY) {
3507                         entry_id = SMB_ACL_NEXT_ENTRY;
3508                 }
3509
3510                 if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3511                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3512                         return False;
3513                 }
3514
3515                 if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3516                         DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3517                         return False;
3518                 }
3519
3520                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3521                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3522                 perms |= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3523
3524                 SCVAL(pdata,1,perms);
3525
3526                 switch (tagtype) {
3527                         case SMB_ACL_USER_OBJ:
3528                                 SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3529                                 own_grp = (unsigned int)pst->st_ex_uid;
3530                                 SIVAL(pdata,2,own_grp);
3531                                 SIVAL(pdata,6,0);
3532                                 break;
3533                         case SMB_ACL_USER:
3534                                 {
3535                                         uid_t *puid = (uid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3536                                         if (!puid) {
3537                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3538                                                 return False;
3539                                         }
3540                                         own_grp = (unsigned int)*puid;
3541                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3542                                         SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3543                                         SIVAL(pdata,2,own_grp);
3544                                         SIVAL(pdata,6,0);
3545                                         break;
3546                                 }
3547                         case SMB_ACL_GROUP_OBJ:
3548                                 SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3549                                 own_grp = (unsigned int)pst->st_ex_gid;
3550                                 SIVAL(pdata,2,own_grp);
3551                                 SIVAL(pdata,6,0);
3552                                 break;
3553                         case SMB_ACL_GROUP:
3554                                 {
3555                                         gid_t *pgid= (gid_t *)SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3556                                         if (!pgid) {
3557                                                 DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3558                                                 return False;
3559                                         }
3560                                         own_grp = (unsigned int)*pgid;
3561                                         SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3562                                         SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3563                                         SIVAL(pdata,2,own_grp);
3564                                         SIVAL(pdata,6,0);
3565                                         break;
3566                                 }
3567                         case SMB_ACL_MASK:
3568                                 SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3569                                 SIVAL(pdata,2,0xFFFFFFFF);
3570                                 SIVAL(pdata,6,0xFFFFFFFF);
3571                                 break;
3572                         case SMB_ACL_OTHER:
3573                                 SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3574                                 SIVAL(pdata,2,0xFFFFFFFF);
3575                                 SIVAL(pdata,6,0xFFFFFFFF);
3576                                 break;
3577                         default:
3578                                 DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3579                                 return False;
3580                 }
3581                 pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3582         }
3583
3584         return True;
3585 }
3586 #endif
3587
3588 /****************************************************************************
3589  Store the FILE_UNIX_BASIC info.
3590 ****************************************************************************/
3591
3592 static char *store_file_unix_basic(connection_struct *conn,
3593                                 char *pdata,
3594                                 files_struct *fsp,
3595                                 const SMB_STRUCT_STAT *psbuf)
3596 {
3597         DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3598         DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_ex_mode));
3599
3600         SOFF_T(pdata,0,get_file_size_stat(psbuf));             /* File size 64 Bit */
3601         pdata += 8;
3602
3603         SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3604         pdata += 8;
3605
3606         put_long_date_timespec(pdata, psbuf->st_ex_ctime);       /* Change Time 64 Bit */
3607         put_long_date_timespec(pdata+8, psbuf->st_ex_atime);     /* Last access time 64 Bit */
3608         put_long_date_timespec(pdata+16, psbuf->st_ex_mtime);    /* Last modification time 64 Bit */
3609         pdata += 24;
3610
3611         SIVAL(pdata,0,psbuf->st_ex_uid);               /* user id for the owner */
3612         SIVAL(pdata,4,0);
3613         pdata += 8;
3614
3615         SIVAL(pdata,0,psbuf->st_ex_gid);               /* group id of owner */
3616         SIVAL(pdata,4,0);
3617         pdata += 8;
3618
3619         SIVAL(pdata,0,unix_filetype(psbuf->st_ex_mode));
3620         pdata += 4;
3621
3622         SIVAL(pdata,0,unix_dev_major(psbuf->st_ex_rdev));   /* Major device number if type is device */
3623         SIVAL(pdata,4,0);
3624         pdata += 8;
3625
3626         SIVAL(pdata,0,unix_dev_minor(psbuf->st_ex_rdev));   /* Minor device number if type is device */
3627         SIVAL(pdata,4,0);
3628         pdata += 8;
3629
3630         SINO_T_VAL(pdata,0,(SMB_INO_T)psbuf->st_ex_ino);   /* inode number */
3631         pdata += 8;
3632
3633         SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_ex_mode));     /* Standard UNIX file permissions */
3634         SIVAL(pdata,4,0);
3635         pdata += 8;
3636
3637         SIVAL(pdata,0,psbuf->st_ex_nlink);             /* number of hard links */
3638         SIVAL(pdata,4,0);
3639         pdata += 8;
3640
3641         return pdata;
3642 }
3643
3644 /* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3645  * the chflags(2) (or equivalent) flags.
3646  *
3647  * XXX: this really should be behind the VFS interface. To do this, we would
3648  * need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3649  * Each VFS module could then implement its own mapping as appropriate for the
3650  * platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3651  */
3652 static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3653         info2_flags_map[] =
3654 {
3655 #ifdef UF_NODUMP
3656     { UF_NODUMP, EXT_DO_NOT_BACKUP },
3657 #endif
3658
3659 #ifdef UF_IMMUTABLE
3660     { UF_IMMUTABLE, EXT_IMMUTABLE },
3661 #endif
3662
3663 #ifdef UF_APPEND
3664     { UF_APPEND, EXT_OPEN_APPEND_ONLY },
3665 #endif
3666
3667 #ifdef UF_HIDDEN
3668     { UF_HIDDEN, EXT_HIDDEN },
3669 #endif
3670
3671     /* Do not remove. We need to guarantee that this array has at least one
3672      * entry to build on HP-UX.
3673      */
3674     { 0, 0 }
3675
3676 };
3677
3678 static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3679                                 uint32 *smb_fflags, uint32 *smb_fmask)
3680 {
3681         int i;
3682
3683         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3684             *smb_fmask |= info2_flags_map[i].smb_fflag;
3685             if (psbuf->st_ex_flags & info2_flags_map[i].stat_fflag) {
3686                     *smb_fflags |= info2_flags_map[i].smb_fflag;
3687             }
3688         }
3689 }
3690
3691 static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
3692                                 const uint32 smb_fflags,
3693                                 const uint32 smb_fmask,
3694                                 int *stat_fflags)
3695 {
3696         uint32 max_fmask = 0;
3697         int i;
3698
3699         *stat_fflags = psbuf->st_ex_flags;
3700
3701         /* For each flags requested in smb_fmask, check the state of the
3702          * corresponding flag in smb_fflags and set or clear the matching
3703          * stat flag.
3704          */
3705
3706         for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
3707             max_fmask |= info2_flags_map[i].smb_fflag;
3708             if (smb_fmask & info2_flags_map[i].smb_fflag) {
3709                     if (smb_fflags & info2_flags_map[i].smb_fflag) {
3710                             *stat_fflags |= info2_flags_map[i].stat_fflag;
3711                     } else {
3712                             *stat_fflags &= ~info2_flags_map[i].stat_fflag;
3713                     }
3714             }
3715         }
3716
3717         /* If smb_fmask is asking to set any bits that are not supported by
3718          * our flag mappings, we should fail.
3719          */
3720         if ((smb_fmask & max_fmask) != smb_fmask) {
3721                 return False;
3722         }
3723
3724         return True;
3725 }
3726
3727
3728 /* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
3729  * of file flags and birth (create) time.
3730  */
3731 static char *store_file_unix_basic_info2(connection_struct *conn,
3732                                 char *pdata,
3733                                 files_struct *fsp,
3734                                 const SMB_STRUCT_STAT *psbuf)
3735 {
3736         uint32 file_flags = 0;
3737         uint32 flags_mask = 0;
3738
3739         pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
3740
3741         /* Create (birth) time 64 bit */
3742         put_long_date_timespec(pdata, psbuf->st_ex_btime);
3743         pdata += 8;
3744
3745         map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
3746         SIVAL(pdata, 0, file_flags); /* flags */
3747         SIVAL(pdata, 4, flags_mask); /* mask */
3748         pdata += 8;
3749
3750         return pdata;
3751 }
3752
3753 static NTSTATUS marshall_stream_info(unsigned int num_streams,
3754                                      const struct stream_struct *streams,
3755                                      char *data,
3756                                      unsigned int max_data_bytes,
3757                                      unsigned int *data_size)
3758 {
3759         unsigned int i;
3760         unsigned int ofs = 0;
3761
3762         for (i = 0; i < num_streams && ofs <= max_data_bytes; i++) {
3763                 unsigned int next_offset;
3764                 size_t namelen;
3765                 smb_ucs2_t *namebuf;
3766
3767                 if (!push_ucs2_talloc(talloc_tos(), &namebuf,
3768                                       streams[i].name, &namelen) ||
3769                     namelen <= 2)
3770                 {
3771                         return NT_STATUS_INVALID_PARAMETER;
3772                 }
3773
3774                 /*
3775                  * name_buf is now null-terminated, we need to marshall as not
3776                  * terminated
3777                  */
3778
3779                 namelen -= 2;
3780
3781                 SIVAL(data, ofs+4, namelen);
3782                 SOFF_T(data, ofs+8, streams[i].size);
3783                 SOFF_T(data, ofs+16, streams[i].alloc_size);
3784                 memcpy(data+ofs+24, namebuf, namelen);
3785                 TALLOC_FREE(namebuf);
3786
3787                 next_offset = ofs + 24 + namelen;
3788
3789                 if (i == num_streams-1) {
3790                         SIVAL(data, ofs, 0);
3791                 }
3792                 else {
3793                         unsigned int align = ndr_align_size(next_offset, 8);
3794
3795                         memset(data+next_offset, 0, align);
3796                         next_offset += align;
3797
3798                         SIVAL(data, ofs, next_offset - ofs);
3799                         ofs = next_offset;
3800                 }
3801
3802                 ofs = next_offset;
3803         }
3804
3805         *data_size = ofs;
3806
3807         return NT_STATUS_OK;
3808 }
3809
3810 /****************************************************************************
3811  Reply to a TRANSACT2_QFILEINFO on a PIPE !
3812 ****************************************************************************/
3813
3814 static void call_trans2qpipeinfo(connection_struct *conn,
3815                                  struct smb_request *req,
3816                                  unsigned int tran_call,
3817                                  char **pparams, int total_params,
3818                                  char **ppdata, int total_data,
3819                                  unsigned int max_data_bytes)
3820 {
3821         char *params = *pparams;
3822         char *pdata = *ppdata;
3823         unsigned int data_size = 0;
3824         unsigned int param_size = 2;
3825         uint16 info_level;
3826         files_struct *fsp;
3827
3828         if (!params) {
3829                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3830                 return;
3831         }
3832
3833         if (total_params < 4) {
3834                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3835                 return;
3836         }
3837
3838         fsp = file_fsp(req, SVAL(params,0));
3839         if (!fsp_is_np(fsp)) {
3840                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
3841                 return;
3842         }
3843
3844         info_level = SVAL(params,2);
3845
3846         *pparams = (char *)SMB_REALLOC(*pparams,2);
3847         if (*pparams == NULL) {
3848                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3849                 return;
3850         }
3851         params = *pparams;
3852         SSVAL(params,0,0);
3853         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3854         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size); 
3855         if (*ppdata == NULL ) {
3856                 reply_nterror(req, NT_STATUS_NO_MEMORY);
3857                 return;
3858         }
3859         pdata = *ppdata;
3860
3861         switch (info_level) {
3862                 case SMB_FILE_STANDARD_INFORMATION:
3863                         memset(pdata,0,24);
3864                         SOFF_T(pdata,0,4096LL);
3865                         SIVAL(pdata,16,1);
3866                         SIVAL(pdata,20,1);
3867                         data_size = 24;
3868                         break;
3869
3870                 default:
3871                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3872                         return;
3873         }
3874
3875         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
3876                             max_data_bytes);
3877
3878         return;
3879 }
3880
3881 static NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
3882                                       TALLOC_CTX *mem_ctx,
3883                                       uint16_t info_level,
3884                                       files_struct *fsp,
3885                                       const struct smb_filename *smb_fname,
3886                                       bool delete_pending,
3887                                       struct timespec write_time_ts,
3888                                       bool ms_dfs_link,
3889                                       struct ea_list *ea_list,
3890                                       int lock_data_count,
3891                                       char *lock_data,
3892                                       uint16_t flags2,
3893                                       unsigned int max_data_bytes,
3894                                       char **ppdata,
3895                                       unsigned int *pdata_size)
3896 {
3897         char *pdata = *ppdata;
3898         char *dstart, *dend;
3899         unsigned int data_size;
3900         struct timespec create_time_ts, mtime_ts, atime_ts;
3901         time_t create_time, mtime, atime;
3902         SMB_STRUCT_STAT sbuf;
3903         char *p;
3904         char *fname;
3905         char *base_name;
3906         char *dos_fname;
3907         int mode;
3908         int nlink;
3909         NTSTATUS status;
3910         uint64_t file_size = 0;
3911         uint64_t pos = 0;
3912         uint64_t allocation_size = 0;
3913
3914         sbuf = smb_fname->st;
3915
3916         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
3917                 return NT_STATUS_INVALID_LEVEL;
3918         }
3919
3920         status = get_full_smb_filename(mem_ctx, smb_fname, &fname);
3921         if (!NT_STATUS_IS_OK(status)) {
3922                 return status;
3923         }
3924
3925         DEBUG(5,("smbd_do_qfilepathinfo: %s (fnum = %d) level=%d max_data=%u\n",
3926                 fname, fsp ? fsp->fnum : -1, info_level, max_data_bytes));
3927
3928         if (ms_dfs_link) {
3929                 mode = dos_mode_msdfs(conn, smb_fname);
3930         } else {
3931                 mode = dos_mode(conn, smb_fname);
3932         }
3933         if (!mode)
3934                 mode = FILE_ATTRIBUTE_NORMAL;
3935
3936         nlink = sbuf.st_ex_nlink;
3937
3938         if (nlink && (mode&aDIR)) {
3939                 nlink = 1;
3940         }
3941
3942         if ((nlink > 0) && delete_pending) {
3943                 nlink -= 1;
3944         }
3945
3946         data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
3947         *ppdata = (char *)SMB_REALLOC(*ppdata, data_size); 
3948         if (*ppdata == NULL) {
3949                 return NT_STATUS_NO_MEMORY;
3950         }
3951         pdata = *ppdata;
3952         dstart = pdata;
3953         dend = dstart + data_size - 1;
3954
3955         if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
3956                 update_stat_ex_mtime(&sbuf, write_time_ts);
3957         }
3958
3959         create_time_ts = sbuf.st_ex_btime;
3960         mtime_ts = sbuf.st_ex_mtime;
3961         atime_ts = sbuf.st_ex_atime;
3962
3963         if (lp_dos_filetime_resolution(SNUM(conn))) {
3964                 dos_filetime_timespec(&create_time_ts);
3965                 dos_filetime_timespec(&mtime_ts);
3966                 dos_filetime_timespec(&atime_ts);
3967         }
3968
3969         create_time = convert_timespec_to_time_t(create_time_ts);
3970         mtime = convert_timespec_to_time_t(mtime_ts);
3971         atime = convert_timespec_to_time_t(atime_ts);
3972
3973         p = strrchr_m(smb_fname->base_name,'/');
3974         if (!p)
3975                 base_name = smb_fname->base_name;
3976         else
3977                 base_name = p+1;
3978
3979         /* NT expects the name to be in an exact form of the *full*
3980            filename. See the trans2 torture test */
3981         if (ISDOT(base_name)) {
3982                 dos_fname = talloc_strdup(mem_ctx, "\\");
3983                 if (!dos_fname) {
3984                         return NT_STATUS_NO_MEMORY;
3985                 }
3986         } else {
3987                 dos_fname = talloc_asprintf(mem_ctx,
3988                                 "\\%s",
3989                                 fname);
3990                 if (!dos_fname) {
3991                         return NT_STATUS_NO_MEMORY;
3992                 }
3993                 string_replace(dos_fname, '/', '\\');
3994         }
3995
3996         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &sbuf);
3997
3998         if (!fsp) {
3999                 /* Do we have this path open ? */
4000                 files_struct *fsp1;
4001                 struct file_id fileid = vfs_file_id_from_sbuf(conn, &sbuf);
4002                 fsp1 = file_find_di_first(fileid);
4003                 if (fsp1 && fsp1->initial_allocation_size) {
4004                         allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, &sbuf);
4005                 }
4006         }
4007
4008         if (!(mode & aDIR)) {
4009                 file_size = get_file_size_stat(&sbuf);
4010         }
4011
4012         if (fsp && fsp->fh) {
4013                 pos = fsp->fh->position_information;
4014         }
4015
4016         switch (info_level) {
4017                 case SMB_INFO_STANDARD:
4018                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
4019                         data_size = 22;
4020                         srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4021                         srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4022                         srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4023                         SIVAL(pdata,l1_cbFile,(uint32)file_size);
4024                         SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4025                         SSVAL(pdata,l1_attrFile,mode);
4026                         break;
4027
4028                 case SMB_INFO_QUERY_EA_SIZE:
4029                 {
4030                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4031                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4032                         data_size = 26;
4033                         srv_put_dos_date2(pdata,0,create_time);
4034                         srv_put_dos_date2(pdata,4,atime);
4035                         srv_put_dos_date2(pdata,8,mtime); /* write time */
4036                         SIVAL(pdata,12,(uint32)file_size);
4037                         SIVAL(pdata,16,(uint32)allocation_size);
4038                         SSVAL(pdata,20,mode);
4039                         SIVAL(pdata,22,ea_size);
4040                         break;
4041                 }
4042
4043                 case SMB_INFO_IS_NAME_VALID:
4044                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4045                         if (fsp) {
4046                                 /* os/2 needs this ? really ?*/
4047                                 return NT_STATUS_DOS(ERRDOS, ERRbadfunc);
4048                         }
4049                         /* This is only reached for qpathinfo */
4050                         data_size = 0;
4051                         break;
4052
4053                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4054                 {
4055                         size_t total_ea_len = 0;
4056                         struct ea_list *ea_file_list = NULL;
4057
4058                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4059
4060                         ea_file_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
4061                         ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4062
4063                         if (!ea_list || (total_ea_len > data_size)) {
4064                                 data_size = 4;
4065                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4066                                 break;
4067                         }
4068
4069                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4070                         break;
4071                 }
4072
4073                 case SMB_INFO_QUERY_ALL_EAS:
4074                 {
4075                         /* We have data_size bytes to put EA's into. */
4076                         size_t total_ea_len = 0;
4077
4078                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4079
4080                         ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
4081                         if (!ea_list || (total_ea_len > data_size)) {
4082                                 data_size = 4;
4083                                 SIVAL(pdata,0,4);   /* EA List Length must be set to 4 if no EA's. */
4084                                 break;
4085                         }
4086
4087                         data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4088                         break;
4089                 }
4090
4091                 case SMB_FILE_BASIC_INFORMATION:
4092                 case SMB_QUERY_FILE_BASIC_INFO:
4093
4094                         if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4095                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4096                                 data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4097                         } else {
4098                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4099                                 data_size = 40;
4100                                 SIVAL(pdata,36,0);
4101                         }
4102                         put_long_date_timespec(pdata,create_time_ts);
4103                         put_long_date_timespec(pdata+8,atime_ts);
4104                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4105                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4106                         SIVAL(pdata,32,mode);
4107
4108                         DEBUG(5,("SMB_QFBI - "));
4109                         DEBUG(5,("create: %s ", ctime(&create_time)));
4110                         DEBUG(5,("access: %s ", ctime(&atime)));
4111                         DEBUG(5,("write: %s ", ctime(&mtime)));
4112                         DEBUG(5,("change: %s ", ctime(&mtime)));
4113                         DEBUG(5,("mode: %x\n", mode));
4114                         break;
4115
4116                 case SMB_FILE_STANDARD_INFORMATION:
4117                 case SMB_QUERY_FILE_STANDARD_INFO:
4118
4119                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4120                         data_size = 24;
4121                         SOFF_T(pdata,0,allocation_size);
4122                         SOFF_T(pdata,8,file_size);
4123                         SIVAL(pdata,16,nlink);
4124                         SCVAL(pdata,20,delete_pending?1:0);
4125                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4126                         SSVAL(pdata,22,0); /* Padding. */
4127                         break;
4128
4129                 case SMB_FILE_EA_INFORMATION:
4130                 case SMB_QUERY_FILE_EA_INFO:
4131                 {
4132                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4133                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4134                         data_size = 4;
4135                         SIVAL(pdata,0,ea_size);
4136                         break;
4137                 }
4138
4139                 /* Get the 8.3 name - used if NT SMB was negotiated. */
4140                 case SMB_QUERY_FILE_ALT_NAME_INFO:
4141                 case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4142                 {
4143                         int len;
4144                         char mangled_name[13];
4145                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4146                         if (!name_to_8_3(base_name,mangled_name,
4147                                                 True,conn->params)) {
4148                                 return NT_STATUS_NO_MEMORY;
4149                         }
4150                         len = srvstr_push(dstart, flags2,
4151                                           pdata+4, mangled_name,
4152                                           PTR_DIFF(dend, pdata+4),
4153                                           STR_UNICODE);
4154                         data_size = 4 + len;
4155                         SIVAL(pdata,0,len);
4156                         break;
4157                 }
4158
4159                 case SMB_QUERY_FILE_NAME_INFO:
4160                 {
4161                         int len;
4162                         /*
4163                           this must be *exactly* right for ACLs on mapped drives to work
4164                          */
4165                         len = srvstr_push(dstart, flags2,
4166                                           pdata+4, dos_fname,
4167                                           PTR_DIFF(dend, pdata+4),
4168                                           STR_UNICODE);
4169                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4170                         data_size = 4 + len;
4171                         SIVAL(pdata,0,len);
4172                         break;
4173                 }
4174
4175                 case SMB_FILE_ALLOCATION_INFORMATION:
4176                 case SMB_QUERY_FILE_ALLOCATION_INFO:
4177                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4178                         data_size = 8;
4179                         SOFF_T(pdata,0,allocation_size);
4180                         break;
4181
4182                 case SMB_FILE_END_OF_FILE_INFORMATION:
4183                 case SMB_QUERY_FILE_END_OF_FILEINFO:
4184                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4185                         data_size = 8;
4186                         SOFF_T(pdata,0,file_size);
4187                         break;
4188
4189                 case SMB_QUERY_FILE_ALL_INFO:
4190                 case SMB_FILE_ALL_INFORMATION:
4191                 {
4192                         int len;
4193                         unsigned int ea_size = estimate_ea_size(conn, fsp, fname);
4194                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4195                         put_long_date_timespec(pdata,create_time_ts);
4196                         put_long_date_timespec(pdata+8,atime_ts);
4197                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4198                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4199                         SIVAL(pdata,32,mode);
4200                         SIVAL(pdata,36,0); /* padding. */
4201                         pdata += 40;
4202                         SOFF_T(pdata,0,allocation_size);
4203                         SOFF_T(pdata,8,file_size);
4204                         SIVAL(pdata,16,nlink);
4205                         SCVAL(pdata,20,delete_pending);
4206                         SCVAL(pdata,21,(mode&aDIR)?1:0);
4207                         SSVAL(pdata,22,0);
4208                         pdata += 24;
4209                         SIVAL(pdata,0,ea_size);
4210                         pdata += 4; /* EA info */
4211                         len = srvstr_push(dstart, flags2,
4212                                           pdata+4, dos_fname,
4213                                           PTR_DIFF(dend, pdata+4),
4214                                           STR_UNICODE);
4215                         SIVAL(pdata,0,len);
4216                         pdata += 4 + len;
4217                         data_size = PTR_DIFF(pdata,(*ppdata));
4218                         break;
4219                 }
4220                 case SMB_FILE_INTERNAL_INFORMATION:
4221                         /* This should be an index number - looks like
4222                            dev/ino to me :-) 
4223
4224                            I think this causes us to fail the IFSKIT
4225                            BasicFileInformationTest. -tpot */
4226
4227                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4228                         SIVAL(pdata,0,sbuf.st_ex_ino); /* FileIndexLow */
4229                         SIVAL(pdata,4,sbuf.st_ex_dev); /* FileIndexHigh */
4230                         data_size = 8;
4231                         break;
4232
4233                 case SMB_FILE_ACCESS_INFORMATION:
4234                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4235                         if (fsp) {
4236                                 SIVAL(pdata,0,fsp->access_mask);
4237                         } else {
4238                                 /* GENERIC_EXECUTE mapping from Windows */
4239                                 SIVAL(pdata,0,0x12019F);
4240                         }
4241                         data_size = 4;
4242                         break;
4243
4244                 case SMB_FILE_NAME_INFORMATION:
4245                         /* Pathname with leading '\'. */
4246                         {
4247                                 size_t byte_len;
4248                                 byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4249                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4250                                 SIVAL(pdata,0,byte_len);
4251                                 data_size = 4 + byte_len;
4252                                 break;
4253                         }
4254
4255                 case SMB_FILE_DISPOSITION_INFORMATION:
4256                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4257                         data_size = 1;
4258                         SCVAL(pdata,0,delete_pending);
4259                         break;
4260
4261                 case SMB_FILE_POSITION_INFORMATION:
4262                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4263                         data_size = 8;
4264                         SOFF_T(pdata,0,pos);
4265                         break;
4266
4267                 case SMB_FILE_MODE_INFORMATION:
4268                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4269                         SIVAL(pdata,0,mode);
4270                         data_size = 4;
4271                         break;
4272
4273                 case SMB_FILE_ALIGNMENT_INFORMATION:
4274                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4275                         SIVAL(pdata,0,0); /* No alignment needed. */
4276                         data_size = 4;
4277                         break;
4278
4279                 /*
4280                  * NT4 server just returns "invalid query" to this - if we try
4281                  * to answer it then NTws gets a BSOD! (tridge).  W2K seems to
4282                  * want this. JRA.
4283                  */
4284                 /* The first statement above is false - verified using Thursby
4285                  * client against NT4 -- gcolley.
4286                  */
4287                 case SMB_QUERY_FILE_STREAM_INFO:
4288                 case SMB_FILE_STREAM_INFORMATION: {
4289                         unsigned int num_streams;
4290                         struct stream_struct *streams;
4291
4292                         DEBUG(10,("smbd_do_qfilepathinfo: "
4293                                   "SMB_FILE_STREAM_INFORMATION\n"));
4294
4295                         status = SMB_VFS_STREAMINFO(
4296                                 conn, fsp, fname, talloc_tos(),
4297                                 &num_streams, &streams);
4298
4299                         if (!NT_STATUS_IS_OK(status)) {
4300                                 DEBUG(10, ("could not get stream info: %s\n",
4301                                            nt_errstr(status)));
4302                                 return status;
4303                         }
4304
4305                         status = marshall_stream_info(num_streams, streams,
4306                                                       pdata, max_data_bytes,
4307                                                       &data_size);
4308
4309                         if (!NT_STATUS_IS_OK(status)) {
4310                                 DEBUG(10, ("marshall_stream_info failed: %s\n",
4311                                            nt_errstr(status)));
4312                                 return status;
4313                         }
4314
4315                         TALLOC_FREE(streams);
4316
4317                         break;
4318                 }
4319                 case SMB_QUERY_COMPRESSION_INFO:
4320                 case SMB_FILE_COMPRESSION_INFORMATION:
4321                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4322                         SOFF_T(pdata,0,file_size);
4323                         SIVAL(pdata,8,0); /* ??? */
4324                         SIVAL(pdata,12,0); /* ??? */
4325                         data_size = 16;
4326                         break;
4327
4328                 case SMB_FILE_NETWORK_OPEN_INFORMATION:
4329                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4330                         put_long_date_timespec(pdata,create_time_ts);
4331                         put_long_date_timespec(pdata+8,atime_ts);
4332                         put_long_date_timespec(pdata+16,mtime_ts); /* write time */
4333                         put_long_date_timespec(pdata+24,mtime_ts); /* change time */
4334                         SOFF_T(pdata,32,allocation_size);
4335                         SOFF_T(pdata,40,file_size);
4336                         SIVAL(pdata,48,mode);
4337                         SIVAL(pdata,52,0); /* ??? */
4338                         data_size = 56;
4339                         break;
4340
4341                 case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4342                         DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4343                         SIVAL(pdata,0,mode);
4344                         SIVAL(pdata,4,0);
4345                         data_size = 8;
4346                         break;
4347
4348                 /*
4349                  * CIFS UNIX Extensions.
4350                  */
4351
4352                 case SMB_QUERY_FILE_UNIX_BASIC:
4353
4354                         pdata = store_file_unix_basic(conn, pdata, fsp, &sbuf);
4355                         data_size = PTR_DIFF(pdata,(*ppdata));
4356
4357                         {
4358                                 int i;
4359                                 DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_BASIC "));
4360
4361                                 for (i=0; i<100; i++)
4362                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4363                                 DEBUG(4,("\n"));
4364                         }
4365
4366                         break;
4367
4368                 case SMB_QUERY_FILE_UNIX_INFO2:
4369
4370                         pdata = store_file_unix_basic_info2(conn, pdata, fsp, &sbuf);
4371                         data_size = PTR_DIFF(pdata,(*ppdata));
4372
4373                         {
4374                                 int i;
4375                                 DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4376
4377                                 for (i=0; i<100; i++)
4378                                         DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4379                                 DEBUG(4,("\n"));
4380                         }
4381
4382                         break;
4383
4384                 case SMB_QUERY_FILE_UNIX_LINK:
4385                         {
4386                                 int len;
4387                                 char *buffer = TALLOC_ARRAY(mem_ctx, char, PATH_MAX+1);
4388
4389                                 if (!buffer) {
4390                                         return NT_STATUS_NO_MEMORY;
4391                                 }
4392
4393                                 DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4394 #ifdef S_ISLNK
4395                                 if(!S_ISLNK(sbuf.st_ex_mode)) {
4396                                         return NT_STATUS_DOS(ERRSRV, ERRbadlink);
4397                                 }
4398 #else
4399                                 return NT_STATUS_DOS(ERRDOS, ERRbadlink);
4400 #endif
4401                                 len = SMB_VFS_READLINK(conn,fname,
4402                                                 buffer, PATH_MAX);
4403                                 if (len == -1) {
4404                                         return map_nt_error_from_unix(errno);
4405                                 }
4406                                 buffer[len] = 0;
4407                                 len = srvstr_push(dstart, flags2,
4408                                                   pdata, buffer,
4409                                                   PTR_DIFF(dend, pdata),
4410                                                   STR_TERMINATE);
4411                                 pdata += len;
4412                                 data_size = PTR_DIFF(pdata,(*ppdata));
4413
4414                                 break;
4415                         }
4416
4417 #if defined(HAVE_POSIX_ACLS)
4418                 case SMB_QUERY_POSIX_ACL:
4419                         {
4420                                 SMB_ACL_T file_acl = NULL;
4421                                 SMB_ACL_T def_acl = NULL;
4422                                 uint16 num_file_acls = 0;
4423                                 uint16 num_def_acls = 0;
4424
4425                                 if (fsp && !fsp->is_directory && (fsp->fh->fd != -1)) {
4426                                         file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4427                                 } else {
4428                                         file_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_ACCESS);
4429                                 }
4430
4431                                 if (file_acl == NULL && no_acl_syscall_error(errno)) {
4432                                         DEBUG(5,("smbd_do_qfilepathinfo: ACLs not implemented on filesystem containing %s\n",
4433                                                 fname ));
4434                                         return NT_STATUS_NOT_IMPLEMENTED;
4435                                 }
4436
4437                                 if (S_ISDIR(sbuf.st_ex_mode)) {
4438                                         if (fsp && fsp->is_directory) {
4439                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fsp->fsp_name, SMB_ACL_TYPE_DEFAULT);
4440                                         } else {
4441                                                 def_acl = SMB_VFS_SYS_ACL_GET_FILE(conn, fname, SMB_ACL_TYPE_DEFAULT);
4442                                         }
4443                                         def_acl = free_empty_sys_acl(conn, def_acl);
4444                                 }
4445
4446                                 num_file_acls = count_acl_entries(conn, file_acl);
4447                                 num_def_acls = count_acl_entries(conn, def_acl);
4448
4449                                 if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4450                                         DEBUG(5,("smbd_do_qfilepathinfo: data_size too small (%u) need %u\n",
4451                                                 data_size,
4452                                                 (unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4453                                                         SMB_POSIX_ACL_HEADER_SIZE) ));
4454                                         if (file_acl) {
4455                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4456                                         }
4457                                         if (def_acl) {
4458                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4459                                         }
4460                                         return NT_STATUS_BUFFER_TOO_SMALL;
4461                                 }
4462
4463                                 SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4464                                 SSVAL(pdata,2,num_file_acls);
4465                                 SSVAL(pdata,4,num_def_acls);
4466                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, &sbuf, file_acl)) {
4467                                         if (file_acl) {
4468                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4469                                         }
4470                                         if (def_acl) {
4471                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4472                                         }
4473                                         return NT_STATUS_INTERNAL_ERROR;
4474                                 }
4475                                 if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), &sbuf, def_acl)) {
4476                                         if (file_acl) {
4477                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4478                                         }
4479                                         if (def_acl) {
4480                                                 SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4481                                         }
4482                                         return NT_STATUS_INTERNAL_ERROR;
4483                                 }
4484
4485                                 if (file_acl) {
4486                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4487                                 }
4488                                 if (def_acl) {
4489                                         SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4490                                 }
4491                                 data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4492                                 break;
4493                         }
4494 #endif
4495
4496
4497                 case SMB_QUERY_POSIX_LOCK:
4498                 {
4499                         uint64_t count;
4500                         uint64_t offset;
4501                         uint32 lock_pid;
4502                         enum brl_type lock_type;
4503
4504                         if (lock_data_count != POSIX_LOCK_DATA_SIZE) {
4505                                 return NT_STATUS_INVALID_PARAMETER;
4506                         }
4507
4508                         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4509                                 case POSIX_LOCK_TYPE_READ:
4510                                         lock_type = READ_LOCK;
4511                                         break;
4512                                 case POSIX_LOCK_TYPE_WRITE:
4513                                         lock_type = WRITE_LOCK;
4514                                         break;
4515                                 case POSIX_LOCK_TYPE_UNLOCK:
4516                                 default:
4517                                         /* There's no point in asking for an unlock... */
4518                                         return NT_STATUS_INVALID_PARAMETER;
4519                         }
4520
4521                         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4522 #if defined(HAVE_LONGLONG)
4523                         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
4524                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4525                         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
4526                                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4527 #else /* HAVE_LONGLONG */
4528                         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4529                         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4530 #endif /* HAVE_LONGLONG */
4531
4532                         status = query_lock(fsp,
4533                                         &lock_pid,
4534                                         &count,
4535                                         &offset,
4536                                         &lock_type,
4537                                         POSIX_LOCK);
4538
4539                         if (ERROR_WAS_LOCK_DENIED(status)) {
4540                                 /* Here we need to report who has it locked... */
4541                                 data_size = POSIX_LOCK_DATA_SIZE;
4542
4543                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4544                                 SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4545                                 SIVAL(pdata, POSIX_LOCK_PID_OFFSET, lock_pid);
4546 #if defined(HAVE_LONGLONG)
4547                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4548                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4549                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4550                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4551 #else /* HAVE_LONGLONG */
4552                                 SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4553                                 SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4554 #endif /* HAVE_LONGLONG */
4555
4556                         } else if (NT_STATUS_IS_OK(status)) {
4557                                 /* For success we just return a copy of what we sent
4558                                    with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4559                                 data_size = POSIX_LOCK_DATA_SIZE;
4560                                 memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4561                                 SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4562                         } else {
4563                                 return status;
4564                         }
4565                         break;
4566                 }
4567
4568                 default:
4569                         return NT_STATUS_INVALID_LEVEL;
4570         }
4571
4572         *pdata_size = data_size;
4573         return NT_STATUS_OK;
4574 }
4575
4576 /****************************************************************************
4577  Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
4578  file name or file id).
4579 ****************************************************************************/
4580
4581 static void call_trans2qfilepathinfo(connection_struct *conn,
4582                                      struct smb_request *req,
4583                                      unsigned int tran_call,
4584                                      char **pparams, int total_params,
4585                                      char **ppdata, int total_data,
4586                                      unsigned int max_data_bytes)
4587 {
4588         char *params = *pparams;
4589         char *pdata = *ppdata;
4590         uint16 info_level;
4591         unsigned int data_size = 0;
4592         unsigned int param_size = 2;
4593         char *fname = NULL;
4594         struct smb_filename *smb_fname = NULL;
4595         bool delete_pending = False;
4596         struct timespec write_time_ts;
4597         files_struct *fsp = NULL;
4598         struct file_id fileid;
4599         struct ea_list *ea_list = NULL;
4600         int lock_data_count = 0;
4601         char *lock_data = NULL;
4602         bool ms_dfs_link = false;
4603         NTSTATUS status = NT_STATUS_OK;
4604
4605         if (!params) {
4606                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4607                 return;
4608         }
4609
4610         ZERO_STRUCT(write_time_ts);
4611
4612         if (tran_call == TRANSACT2_QFILEINFO) {
4613                 if (total_params < 4) {
4614                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4615                         return;
4616                 }
4617
4618                 if (IS_IPC(conn)) {
4619                         call_trans2qpipeinfo(conn, req, tran_call,
4620                                              pparams, total_params,
4621                                              ppdata, total_data,
4622                                              max_data_bytes);
4623                         return;
4624                 }
4625
4626                 fsp = file_fsp(req, SVAL(params,0));
4627                 info_level = SVAL(params,2);
4628
4629                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
4630
4631                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4632                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4633                         return;
4634                 }
4635
4636                 /* Initial check for valid fsp ptr. */
4637                 if (!check_fsp_open(conn, req, fsp)) {
4638                         return;
4639                 }
4640
4641                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
4642                 if (!fname) {
4643                         reply_nterror(req, NT_STATUS_NO_MEMORY);
4644                         return;
4645                 }
4646
4647                 status = create_synthetic_smb_fname_split(talloc_tos(), fname,
4648                                                           NULL, &smb_fname);
4649                 if (!NT_STATUS_IS_OK(status)) {
4650                         reply_nterror(req, status);
4651                         return;
4652                 }
4653
4654                 if(fsp->fake_file_handle) {
4655                         /*
4656                          * This is actually for the QUOTA_FAKE_FILE --metze
4657                          */
4658
4659                         /* We know this name is ok, it's already passed the checks. */
4660
4661                 } else if(fsp && (fsp->is_directory || fsp->fh->fd == -1)) {
4662                         /*
4663                          * This is actually a QFILEINFO on a directory
4664                          * handle (returned from an NT SMB). NT5.0 seems
4665                          * to do this call. JRA.
4666                          */
4667
4668                         if (INFO_LEVEL_IS_UNIX(info_level)) {
4669                                 /* Always do lstat for UNIX calls. */
4670                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
4671                                         DEBUG(3,("call_trans2qfilepathinfo: "
4672                                                  "SMB_VFS_LSTAT of %s failed "
4673                                                  "(%s)\n",
4674                                                  smb_fname_str_dbg(smb_fname),
4675                                                  strerror(errno)));
4676                                         reply_nterror(req,
4677                                                 map_nt_error_from_unix(errno));
4678                                         return;
4679                                 }
4680                         } else if (SMB_VFS_STAT(conn, smb_fname)) {
4681                                 DEBUG(3,("call_trans2qfilepathinfo: "
4682                                          "SMB_VFS_STAT of %s failed (%s)\n",
4683                                          smb_fname_str_dbg(smb_fname),
4684                                          strerror(errno)));
4685                                 reply_nterror(req,
4686                                         map_nt_error_from_unix(errno));
4687                                 return;
4688                         }
4689
4690                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
4691                         get_file_infos(fileid, &delete_pending, &write_time_ts);
4692                 } else {
4693                         /*
4694                          * Original code - this is an open file.
4695                          */
4696                         if (!check_fsp(conn, req, fsp)) {
4697                                 return;
4698                         }
4699
4700                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
4701                                 DEBUG(3, ("fstat of fnum %d failed (%s)\n",
4702                                           fsp->fnum, strerror(errno)));
4703                                 reply_nterror(req,
4704                                         map_nt_error_from_unix(errno));
4705                                 return;
4706                         }
4707                         fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
4708                         get_file_infos(fileid, &delete_pending, &write_time_ts);
4709                 }
4710
4711         } else {
4712                 /* qpathinfo */
4713                 if (total_params < 7) {
4714                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4715                         return;
4716                 }
4717
4718                 info_level = SVAL(params,0);
4719
4720                 DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
4721
4722                 if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4723                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4724                         return;
4725                 }
4726
4727                 srvstr_get_path(req, params, req->flags2, &fname, &params[6],
4728                                 total_params - 6,
4729                                 STR_TERMINATE, &status);
4730                 if (!NT_STATUS_IS_OK(status)) {
4731                         reply_nterror(req, status);
4732                         return;
4733                 }
4734
4735                 status = filename_convert(req,
4736                                         conn,
4737                                         req->flags2 & FLAGS2_DFS_PATHNAMES,
4738                                         fname,
4739                                         &smb_fname,
4740                                         &fname);
4741                 if (!NT_STATUS_IS_OK(status)) {
4742                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
4743                                 reply_botherror(req,
4744                                                 NT_STATUS_PATH_NOT_COVERED,
4745                                                 ERRSRV, ERRbadpath);
4746                                 return;
4747                         }
4748                         reply_nterror(req, status);
4749                         return;
4750                 }
4751
4752                 /* If this is a stream, check if there is a delete_pending. */
4753                 if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
4754                     && is_ntfs_stream_smb_fname(smb_fname)) {
4755                         struct smb_filename *smb_fname_base = NULL;
4756
4757                         /* Create an smb_filename with stream_name == NULL. */
4758                         status =
4759                             create_synthetic_smb_fname(talloc_tos(),
4760                                                        smb_fname->base_name,
4761                                                        NULL, NULL,
4762                                                        &smb_fname_base);
4763                         if (!NT_STATUS_IS_OK(status)) {
4764                                 reply_nterror(req, status);
4765                                 return;
4766                         }
4767
4768                         if (INFO_LEVEL_IS_UNIX(info_level)) {
4769                                 /* Always do lstat for UNIX calls. */
4770                                 if (SMB_VFS_LSTAT(conn, smb_fname_base) != 0) {
4771                                         DEBUG(3,("call_trans2qfilepathinfo: "
4772                                                  "SMB_VFS_LSTAT of %s failed "
4773                                                  "(%s)\n",
4774                                                  smb_fname_str_dbg(smb_fname_base),
4775                                                  strerror(errno)));
4776                                         TALLOC_FREE(smb_fname_base);
4777                                         reply_nterror(req,
4778                                                 map_nt_error_from_unix(errno));
4779                                         return;
4780                                 }
4781                         } else {
4782                                 if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
4783                                         DEBUG(3,("call_trans2qfilepathinfo: "
4784                                                  "fileinfo of %s failed "
4785                                                  "(%s)\n",
4786                                                  smb_fname_str_dbg(smb_fname_base),
4787                                                  strerror(errno)));
4788                                         TALLOC_FREE(smb_fname_base);
4789                                         reply_nterror(req,
4790                                                 map_nt_error_from_unix(errno));
4791                                         return;
4792                                 }
4793                         }
4794
4795                         fileid = vfs_file_id_from_sbuf(conn,
4796                                                        &smb_fname_base->st);
4797                         TALLOC_FREE(smb_fname_base);
4798                         get_file_infos(fileid, &delete_pending, NULL);
4799                         if (delete_pending) {
4800                                 reply_nterror(req, NT_STATUS_DELETE_PENDING);
4801                                 return;
4802                         }
4803                 }
4804
4805                 if (INFO_LEVEL_IS_UNIX(info_level)) {
4806                         /* Always do lstat for UNIX calls. */
4807                         if (SMB_VFS_LSTAT(conn, smb_fname)) {
4808                                 DEBUG(3,("call_trans2qfilepathinfo: "
4809                                          "SMB_VFS_LSTAT of %s failed (%s)\n",
4810                                          smb_fname_str_dbg(smb_fname),
4811                                          strerror(errno)));
4812                                 reply_nterror(req,
4813                                         map_nt_error_from_unix(errno));
4814                                 return;
4815                         }
4816
4817                 } else if (!VALID_STAT(smb_fname->st) &&
4818                            SMB_VFS_STAT(conn, smb_fname) &&
4819                            (info_level != SMB_INFO_IS_NAME_VALID)) {
4820                         ms_dfs_link = check_msdfs_link(conn, fname,
4821                                                        &smb_fname->st);
4822
4823                         if (!ms_dfs_link) {
4824                                 DEBUG(3,("call_trans2qfilepathinfo: "
4825                                          "SMB_VFS_STAT of %s failed (%s)\n",
4826                                          smb_fname_str_dbg(smb_fname),
4827                                          strerror(errno)));
4828                                 reply_nterror(req,
4829                                         map_nt_error_from_unix(errno));
4830                                 return;
4831                         }
4832                 }
4833
4834                 fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
4835                 get_file_infos(fileid, &delete_pending, &write_time_ts);
4836                 if (delete_pending) {
4837                         reply_nterror(req, NT_STATUS_DELETE_PENDING);
4838                         return;
4839                 }
4840         }
4841
4842         DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d total_data=%d\n",
4843                 fname,fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
4844
4845         /* Pull out any data sent here before we realloc. */
4846         switch (info_level) {
4847                 case SMB_INFO_QUERY_EAS_FROM_LIST:
4848                 {
4849                         /* Pull any EA list from the data portion. */
4850                         uint32 ea_size;
4851
4852                         if (total_data < 4) {
4853                                 reply_nterror(
4854                                         req, NT_STATUS_INVALID_PARAMETER);
4855                                 return;
4856                         }
4857                         ea_size = IVAL(pdata,0);
4858
4859                         if (total_data > 0 && ea_size != total_data) {
4860                                 DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
4861 total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
4862                                 reply_nterror(
4863                                         req, NT_STATUS_INVALID_PARAMETER);
4864                                 return;
4865                         }
4866
4867                         if (!lp_ea_support(SNUM(conn))) {
4868                                 reply_doserror(req, ERRDOS,
4869                                                ERReasnotsupported);
4870                                 return;
4871                         }
4872
4873                         /* Pull out the list of names. */
4874                         ea_list = read_ea_name_list(req, pdata + 4, ea_size - 4);
4875                         if (!ea_list) {
4876                                 reply_nterror(
4877                                         req, NT_STATUS_INVALID_PARAMETER);
4878                                 return;
4879                         }
4880                         break;
4881                 }
4882
4883                 case SMB_QUERY_POSIX_LOCK:
4884                 {
4885                         if (fsp == NULL || fsp->fh->fd == -1) {
4886                                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4887                                 return;
4888                         }
4889
4890                         if (total_data != POSIX_LOCK_DATA_SIZE) {
4891                                 reply_nterror(
4892                                         req, NT_STATUS_INVALID_PARAMETER);
4893                                 return;
4894                         }
4895
4896                         /* Copy the lock range data. */
4897                         lock_data = (char *)TALLOC_MEMDUP(
4898                                 req, pdata, total_data);
4899                         if (!lock_data) {
4900                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4901                                 return;
4902                         }
4903                         lock_data_count = total_data;
4904                 }
4905                 default:
4906                         break;
4907         }
4908
4909         *pparams = (char *)SMB_REALLOC(*pparams,2);
4910         if (*pparams == NULL) {
4911                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4912                 return;
4913         }
4914         params = *pparams;
4915         SSVAL(params,0,0);
4916
4917         /*
4918          * draft-leach-cifs-v1-spec-02.txt
4919          * 4.2.14 TRANS2_QUERY_PATH_INFORMATION: Get File Attributes given Path
4920          * says:
4921          *
4922          *  The requested information is placed in the Data portion of the
4923          *  transaction response. For the information levels greater than 0x100,
4924          *  the transaction response has 1 parameter word which should be
4925          *  ignored by the client.
4926          *
4927          * However Windows only follows this rule for the IS_NAME_VALID call.
4928          */
4929         switch (info_level) {
4930         case SMB_INFO_IS_NAME_VALID:
4931                 param_size = 0;
4932                 break;
4933         }
4934
4935         status = smbd_do_qfilepathinfo(conn, req, info_level,
4936                                        fsp, smb_fname,
4937                                        delete_pending, write_time_ts,
4938                                        ms_dfs_link, ea_list,
4939                                        lock_data_count, lock_data,
4940                                        req->flags2, max_data_bytes,
4941                                        ppdata, &data_size);
4942         if (!NT_STATUS_IS_OK(status)) {
4943                 reply_nterror(req, status);
4944                 return;
4945         }
4946
4947         send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4948                             max_data_bytes);
4949
4950         return;
4951 }
4952
4953 /****************************************************************************
4954  Set a hard link (called by UNIX extensions and by NT rename with HARD link
4955  code.
4956 ****************************************************************************/
4957
4958 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
4959                 connection_struct *conn,
4960                 const struct smb_filename *smb_fname_old,
4961                 const struct smb_filename *smb_fname_new)
4962 {
4963         char *oldname = NULL;
4964         char *newname = NULL;
4965         NTSTATUS status = NT_STATUS_OK;
4966
4967         /* source must already exist. */
4968         if (!VALID_STAT(smb_fname_old->st)) {
4969                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4970         }
4971
4972         /* Disallow if newname already exists. */
4973         if (VALID_STAT(smb_fname_new->st)) {
4974                 return NT_STATUS_OBJECT_NAME_COLLISION;
4975         }
4976
4977         /* No links from a directory. */
4978         if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
4979                 return NT_STATUS_FILE_IS_A_DIRECTORY;
4980         }
4981
4982         status = get_full_smb_filename(ctx, smb_fname_new, &newname);
4983         if (!NT_STATUS_IS_OK(status)) {
4984                 goto out;
4985         }
4986         status = get_full_smb_filename(ctx, smb_fname_old, &oldname);
4987         if (!NT_STATUS_IS_OK(status)) {
4988                 goto out;
4989         }
4990
4991         DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n", newname, oldname ));
4992
4993         if (SMB_VFS_LINK(conn,oldname,newname) != 0) {
4994                 status = map_nt_error_from_unix(errno);
4995                 DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
4996                                  nt_errstr(status), newname, oldname));
4997         }
4998  out:
4999         TALLOC_FREE(newname);
5000         TALLOC_FREE(oldname);
5001         return status;
5002 }
5003
5004 /****************************************************************************
5005  Deal with setting the time from any of the setfilepathinfo functions.
5006 ****************************************************************************/
5007
5008 NTSTATUS smb_set_file_time(connection_struct *conn,
5009                            files_struct *fsp,
5010                            const struct smb_filename *smb_fname,
5011                            struct smb_file_time *ft,
5012                            bool setting_write_time)
5013 {
5014         struct smb_filename *smb_fname_base = NULL;
5015         uint32 action =
5016                 FILE_NOTIFY_CHANGE_LAST_ACCESS
5017                 |FILE_NOTIFY_CHANGE_LAST_WRITE;
5018         NTSTATUS status;
5019
5020         if (!VALID_STAT(smb_fname->st)) {
5021                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5022         }
5023
5024         /* get some defaults (no modifications) if any info is zero or -1. */
5025         if (null_timespec(ft->atime)) {
5026                 ft->atime= smb_fname->st.st_ex_atime;
5027                 action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
5028         }
5029
5030         if (null_timespec(ft->mtime)) {
5031                 ft->mtime = smb_fname->st.st_ex_mtime;
5032                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5033         }
5034
5035         if (!setting_write_time) {
5036                 /* ft->mtime comes from change time, not write time. */
5037                 action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5038         }
5039
5040         DEBUG(5,("smb_set_filetime: actime: %s\n ",
5041                 time_to_asc(convert_timespec_to_time_t(ft->atime))));
5042         DEBUG(5,("smb_set_filetime: modtime: %s\n ",
5043                 time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5044         if (!null_timespec(ft->create_time)) {
5045                 DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5046                    time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5047         }
5048
5049         /*
5050          * Try and set the times of this file if
5051          * they are different from the current values.
5052          */
5053
5054         {
5055                 struct timespec mts = smb_fname->st.st_ex_mtime;
5056                 struct timespec ats = smb_fname->st.st_ex_atime;
5057                 if ((timespec_compare(&ft->atime, &ats) == 0) &&
5058                     (timespec_compare(&ft->mtime, &mts) == 0)) {
5059                         return NT_STATUS_OK;
5060                 }
5061         }
5062
5063         if (setting_write_time) {
5064                 /*
5065                  * This was a Windows setfileinfo on an open file.
5066                  * NT does this a lot. We also need to 
5067                  * set the time here, as it can be read by 
5068                  * FindFirst/FindNext and with the patch for bug #2045
5069                  * in smbd/fileio.c it ensures that this timestamp is
5070                  * kept sticky even after a write. We save the request
5071                  * away and will set it on file close and after a write. JRA.
5072                  */
5073
5074                 DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5075                           time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5076
5077                 if (fsp != NULL) {
5078                         if (fsp->base_fsp) {
5079                                 set_sticky_write_time_fsp(fsp->base_fsp,
5080                                                           ft->mtime);
5081                         } else {
5082                                 set_sticky_write_time_fsp(fsp, ft->mtime);
5083                         }
5084                 } else {
5085                         set_sticky_write_time_path(
5086                                 vfs_file_id_from_sbuf(conn, &smb_fname->st),
5087                                 ft->mtime);
5088                 }
5089         }
5090
5091         DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5092
5093         /* Always call ntimes on the base, even if a stream was passed in. */
5094         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5095                                             NULL, &smb_fname->st,
5096                                             &smb_fname_base);
5097         if (!NT_STATUS_IS_OK(status)) {
5098                 return status;
5099         }
5100
5101         if(file_ntimes(conn, smb_fname_base, ft)!=0) {
5102                 TALLOC_FREE(smb_fname_base);
5103                 return map_nt_error_from_unix(errno);
5104         }
5105         TALLOC_FREE(smb_fname_base);
5106
5107         notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5108                      smb_fname->base_name);
5109         return NT_STATUS_OK;
5110 }
5111
5112 /****************************************************************************
5113  Deal with setting the dosmode from any of the setfilepathinfo functions.
5114 ****************************************************************************/
5115
5116 static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5117                                      const struct smb_filename *smb_fname,
5118                                      uint32 dosmode)
5119 {
5120         struct smb_filename *smb_fname_base = NULL;
5121         NTSTATUS status;
5122
5123         if (!VALID_STAT(smb_fname->st)) {
5124                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5125         }
5126
5127         /* Always operate on the base_name, even if a stream was passed in. */
5128         status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5129                                             NULL, &smb_fname->st,
5130                                             &smb_fname_base);
5131         if (!NT_STATUS_IS_OK(status)) {
5132                 return status;
5133         }
5134
5135         if (dosmode) {
5136                 if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5137                         dosmode |= aDIR;
5138                 } else {
5139                         dosmode &= ~aDIR;
5140                 }
5141         }
5142
5143         DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5144
5145         /* check the mode isn't different, before changing it */
5146         if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5147                 DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5148                           "0x%x\n", smb_fname_str_dbg(smb_fname_base),
5149                           (unsigned int)dosmode));
5150
5151                 if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5152                                     false)) {
5153                         DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5154                                  "%s failed (%s)\n",
5155                                  smb_fname_str_dbg(smb_fname_base),
5156                                  strerror(errno)));
5157                         status = map_nt_error_from_unix(errno);
5158                         goto out;
5159                 }
5160         }
5161         status = NT_STATUS_OK;
5162  out:
5163         TALLOC_FREE(smb_fname_base);
5164         return status;
5165 }
5166
5167 /****************************************************************************
5168  Deal with setting the size from any of the setfilepathinfo functions.
5169 ****************************************************************************/
5170
5171 static NTSTATUS smb_set_file_size(connection_struct *conn,
5172                                   struct smb_request *req,
5173                                   files_struct *fsp,
5174                                   const struct smb_filename *smb_fname,
5175                                   const SMB_STRUCT_STAT *psbuf,
5176                                   SMB_OFF_T size)
5177 {
5178         NTSTATUS status = NT_STATUS_OK;
5179         struct smb_filename *smb_fname_tmp = NULL;
5180         files_struct *new_fsp = NULL;
5181
5182         if (!VALID_STAT(*psbuf)) {
5183                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5184         }
5185
5186         DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5187
5188         if (size == get_file_size_stat(psbuf)) {
5189                 return NT_STATUS_OK;
5190         }
5191
5192         DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5193                   smb_fname_str_dbg(smb_fname), (double)size));
5194
5195         if (fsp && fsp->fh->fd != -1) {
5196                 /* Handle based call. */
5197                 if (vfs_set_filelen(fsp, size) == -1) {
5198                         return map_nt_error_from_unix(errno);
5199                 }
5200                 trigger_write_time_update_immediate(fsp);
5201                 return NT_STATUS_OK;
5202         }
5203
5204         status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5205         if (!NT_STATUS_IS_OK(status)) {
5206                 return status;
5207         }
5208
5209         smb_fname_tmp->st = *psbuf;
5210
5211         status = SMB_VFS_CREATE_FILE(
5212                 conn,                                   /* conn */
5213                 req,                                    /* req */
5214                 0,                                      /* root_dir_fid */
5215                 smb_fname_tmp,                          /* fname */
5216                 FILE_WRITE_ATTRIBUTES,                  /* access_mask */
5217                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
5218                     FILE_SHARE_DELETE),
5219                 FILE_OPEN,                              /* create_disposition*/
5220                 0,                                      /* create_options */
5221                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
5222                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
5223                 0,                                      /* allocation_size */
5224                 NULL,                                   /* sd */
5225                 NULL,                                   /* ea_list */
5226                 &new_fsp,                               /* result */
5227                 NULL);                                  /* pinfo */
5228
5229         TALLOC_FREE(smb_fname_tmp);
5230
5231         if (!NT_STATUS_IS_OK(status)) {
5232                 /* NB. We check for open_was_deferred in the caller. */
5233                 return status;
5234         }
5235
5236         if (vfs_set_filelen(new_fsp, size) == -1) {
5237                 status = map_nt_error_from_unix(errno);
5238                 close_file(req, new_fsp,NORMAL_CLOSE);
5239                 return status;
5240         }
5241
5242         trigger_write_time_update_immediate(new_fsp);
5243         close_file(req, new_fsp,NORMAL_CLOSE);
5244         return NT_STATUS_OK;
5245 }
5246
5247 /****************************************************************************
5248  Deal with SMB_INFO_SET_EA.
5249 ****************************************************************************/
5250
5251 static NTSTATUS smb_info_set_ea(connection_struct *conn,
5252                                 const char *pdata,
5253                                 int total_data,
5254                                 files_struct *fsp,
5255                                 const struct smb_filename *smb_fname)
5256 {
5257         struct ea_list *ea_list = NULL;
5258         TALLOC_CTX *ctx = NULL;
5259         NTSTATUS status = NT_STATUS_OK;
5260
5261         if (total_data < 10) {
5262
5263                 /* OS/2 workplace shell seems to send SET_EA requests of "null"
5264                    length. They seem to have no effect. Bug #3212. JRA */
5265
5266                 if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5267                         /* We're done. We only get EA info in this call. */
5268                         return NT_STATUS_OK;
5269                 }
5270
5271                 return NT_STATUS_INVALID_PARAMETER;
5272         }
5273
5274         if (IVAL(pdata,0) > total_data) {
5275                 DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5276                         IVAL(pdata,0), (unsigned int)total_data));
5277                 return NT_STATUS_INVALID_PARAMETER;
5278         }
5279
5280         ctx = talloc_tos();
5281         ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5282         if (!ea_list) {
5283                 return NT_STATUS_INVALID_PARAMETER;
5284         }
5285         status = set_ea(conn, fsp, smb_fname, ea_list);
5286
5287         return status;
5288 }
5289
5290 /****************************************************************************
5291  Deal with SMB_SET_FILE_DISPOSITION_INFO.
5292 ****************************************************************************/
5293
5294 static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5295                                 const char *pdata,
5296                                 int total_data,
5297                                 files_struct *fsp,
5298                                 const struct smb_filename *smb_fname)
5299 {
5300         NTSTATUS status = NT_STATUS_OK;
5301         bool delete_on_close;
5302         uint32 dosmode = 0;
5303
5304         if (total_data < 1) {
5305                 return NT_STATUS_INVALID_PARAMETER;
5306         }
5307
5308         if (fsp == NULL) {
5309                 return NT_STATUS_INVALID_HANDLE;
5310         }
5311
5312         delete_on_close = (CVAL(pdata,0) ? True : False);
5313         dosmode = dos_mode(conn, smb_fname);
5314
5315         DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5316                 "delete_on_close = %u\n",
5317                 smb_fname_str_dbg(smb_fname),
5318                 (unsigned int)dosmode,
5319                 (unsigned int)delete_on_close ));
5320
5321         status = can_set_delete_on_close(fsp, delete_on_close, dosmode);
5322  
5323         if (!NT_STATUS_IS_OK(status)) {
5324                 return status;
5325         }
5326
5327         /* The set is across all open files on this dev/inode pair. */
5328         if (!set_delete_on_close(fsp, delete_on_close,
5329                                  &conn->server_info->utok)) {
5330                 return NT_STATUS_ACCESS_DENIED;
5331         }
5332         return NT_STATUS_OK;
5333 }
5334
5335 /****************************************************************************
5336  Deal with SMB_FILE_POSITION_INFORMATION.
5337 ****************************************************************************/
5338
5339 static NTSTATUS smb_file_position_information(connection_struct *conn,
5340                                 const char *pdata,
5341                                 int total_data,
5342                                 files_struct *fsp)
5343 {
5344         uint64_t position_information;
5345
5346         if (total_data < 8) {
5347                 return NT_STATUS_INVALID_PARAMETER;
5348         }
5349
5350         if (fsp == NULL) {
5351                 /* Ignore on pathname based set. */
5352                 return NT_STATUS_OK;
5353         }
5354
5355         position_information = (uint64_t)IVAL(pdata,0);
5356 #ifdef LARGE_SMB_OFF_T
5357         position_information |= (((uint64_t)IVAL(pdata,4)) << 32);
5358 #else /* LARGE_SMB_OFF_T */
5359         if (IVAL(pdata,4) != 0) {
5360                 /* more than 32 bits? */
5361                 return NT_STATUS_INVALID_PARAMETER;
5362         }
5363 #endif /* LARGE_SMB_OFF_T */
5364
5365         DEBUG(10,("smb_file_position_information: Set file position information for file %s to %.0f\n",
5366                 fsp->fsp_name, (double)position_information ));
5367         fsp->fh->position_information = position_information;
5368         return NT_STATUS_OK;
5369 }
5370
5371 /****************************************************************************
5372  Deal with SMB_FILE_MODE_INFORMATION.
5373 ****************************************************************************/
5374
5375 static NTSTATUS smb_file_mode_information(connection_struct *conn,
5376                                 const char *pdata,
5377                                 int total_data)
5378 {
5379         uint32 mode;
5380
5381         if (total_data < 4) {
5382                 return NT_STATUS_INVALID_PARAMETER;
5383         }
5384         mode = IVAL(pdata,0);
5385         if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5386                 return NT_STATUS_INVALID_PARAMETER;
5387         }
5388         return NT_STATUS_OK;
5389 }
5390
5391 /****************************************************************************
5392  Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5393 ****************************************************************************/
5394
5395 static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5396                                        struct smb_request *req,
5397                                        const char *pdata,
5398                                        int total_data,
5399                                        const char *fname)
5400 {
5401         char *link_target = NULL;
5402         const char *newname = fname;
5403         NTSTATUS status = NT_STATUS_OK;
5404         TALLOC_CTX *ctx = talloc_tos();
5405
5406         /* Set a symbolic link. */
5407         /* Don't allow this if follow links is false. */
5408
5409         if (total_data == 0) {
5410                 return NT_STATUS_INVALID_PARAMETER;
5411         }
5412
5413         if (!lp_symlinks(SNUM(conn))) {
5414                 return NT_STATUS_ACCESS_DENIED;
5415         }
5416
5417         srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5418                     total_data, STR_TERMINATE);
5419
5420         if (!link_target) {
5421                 return NT_STATUS_INVALID_PARAMETER;
5422         }
5423
5424         /* !widelinks forces the target path to be within the share. */
5425         /* This means we can interpret the target as a pathname. */
5426         if (!lp_widelinks(SNUM(conn))) {
5427                 char *rel_name = NULL;
5428                 char *last_dirp = NULL;
5429
5430                 if (*link_target == '/') {
5431                         /* No absolute paths allowed. */
5432                         return NT_STATUS_ACCESS_DENIED;
5433                 }
5434                 rel_name = talloc_strdup(ctx,newname);
5435                 if (!rel_name) {
5436                         return NT_STATUS_NO_MEMORY;
5437                 }
5438                 last_dirp = strrchr_m(rel_name, '/');
5439                 if (last_dirp) {
5440                         last_dirp[1] = '\0';
5441                 } else {
5442                         rel_name = talloc_strdup(ctx,"./");
5443                         if (!rel_name) {
5444                                 return NT_STATUS_NO_MEMORY;
5445                         }
5446                 }
5447                 rel_name = talloc_asprintf_append(rel_name,
5448                                 "%s",
5449                                 link_target);
5450                 if (!rel_name) {
5451                         return NT_STATUS_NO_MEMORY;
5452                 }
5453
5454                 status = check_name(conn, rel_name);
5455                 if (!NT_STATUS_IS_OK(status)) {
5456                         return status;
5457                 }
5458         }
5459
5460         DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5461                         newname, link_target ));
5462
5463         if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5464                 return map_nt_error_from_unix(errno);
5465         }
5466
5467         return NT_STATUS_OK;
5468 }
5469
5470 /****************************************************************************
5471  Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5472 ****************************************************************************/
5473
5474 static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5475                                         struct smb_request *req,
5476                                         const char *pdata, int total_data,
5477                                         const struct smb_filename *smb_fname_new)
5478 {
5479         char *oldname = NULL;
5480         struct smb_filename *smb_fname_old = NULL;
5481         TALLOC_CTX *ctx = talloc_tos();
5482         NTSTATUS status = NT_STATUS_OK;
5483
5484         /* Set a hard link. */
5485         if (total_data == 0) {
5486                 return NT_STATUS_INVALID_PARAMETER;
5487         }
5488
5489         srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5490                         total_data, STR_TERMINATE, &status);
5491         if (!NT_STATUS_IS_OK(status)) {
5492                 return status;
5493         }
5494
5495         DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5496                 smb_fname_str_dbg(smb_fname_new), oldname));
5497
5498         status = filename_convert(ctx,
5499                                 conn,
5500                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
5501                                 oldname,
5502                                 &smb_fname_old,
5503                                 NULL);
5504         if (!NT_STATUS_IS_OK(status)) {
5505                 return status;
5506         }
5507
5508         return hardlink_internals(ctx, conn, smb_fname_old, smb_fname_new);
5509 }
5510
5511 /****************************************************************************
5512  Deal with SMB_FILE_RENAME_INFORMATION.
5513 ****************************************************************************/
5514
5515 static NTSTATUS smb_file_rename_information(connection_struct *conn,
5516                                             struct smb_request *req,
5517                                             const char *pdata,
5518                                             int total_data,
5519                                             files_struct *fsp,
5520                                             const char *fname)
5521 {
5522         bool overwrite;
5523         uint32 root_fid;
5524         uint32 len;
5525         char *newname = NULL;
5526         char *base_name = NULL;
5527         struct smb_filename *smb_fname = NULL;
5528         bool dest_has_wcard = False;
5529         NTSTATUS status = NT_STATUS_OK;
5530         char *p;
5531         TALLOC_CTX *ctx = talloc_tos();
5532
5533         if (total_data < 13) {
5534                 return NT_STATUS_INVALID_PARAMETER;
5535         }
5536
5537         overwrite = (CVAL(pdata,0) ? True : False);
5538         root_fid = IVAL(pdata,4);
5539         len = IVAL(pdata,8);
5540
5541         if (len > (total_data - 12) || (len == 0) || (root_fid != 0)) {
5542                 return NT_STATUS_INVALID_PARAMETER;
5543         }
5544
5545         srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
5546                               len, 0, &status,
5547                               &dest_has_wcard);
5548         if (!NT_STATUS_IS_OK(status)) {
5549                 return status;
5550         }
5551
5552         DEBUG(10,("smb_file_rename_information: got name |%s|\n",
5553                                 newname));
5554
5555         status = resolve_dfspath_wcard(ctx, conn,
5556                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5557                                        newname,
5558                                        &newname,
5559                                        &dest_has_wcard);
5560         if (!NT_STATUS_IS_OK(status)) {
5561                 return status;
5562         }
5563
5564         /* Check the new name has no '/' characters. */
5565         if (strchr_m(newname, '/')) {
5566                 return NT_STATUS_NOT_SUPPORTED;
5567         }
5568
5569         if (fsp && fsp->base_fsp) {
5570                 /* newname must be a stream name. */
5571                 if (newname[0] != ':') {
5572                         return NT_STATUS_NOT_SUPPORTED;
5573                 }
5574
5575                 /* Create an smb_fname to call rename_internals_fsp() with. */
5576                 status = create_synthetic_smb_fname(talloc_tos(),
5577                                                     fsp->base_fsp->fsp_name,
5578                                                     newname, NULL, &smb_fname);
5579                 if (!NT_STATUS_IS_OK(status)) {
5580                         goto out;
5581                 }
5582
5583                 /*
5584                  * Set the original last component, since
5585                  * rename_internals_fsp() requires it.
5586                  */
5587                 smb_fname->original_lcomp = talloc_strdup(smb_fname, newname);
5588                 if (smb_fname->original_lcomp == NULL) {
5589                         status = NT_STATUS_NO_MEMORY;
5590                         goto out;
5591                 }
5592
5593                 /* Create a char * to call rename_internals() with. */
5594                 base_name = talloc_asprintf(ctx, "%s%s",
5595                                            fsp->base_fsp->fsp_name,
5596                                            newname);
5597                 if (!base_name) {
5598                         status = NT_STATUS_NO_MEMORY;
5599                         goto out;
5600                 }
5601         } else {
5602                 /* newname must *not* be a stream name. */
5603                 if (newname[0] == ':') {
5604                         return NT_STATUS_NOT_SUPPORTED;
5605                 }
5606
5607                 /* Create the base directory. */
5608                 base_name = talloc_strdup(ctx, fname);
5609                 if (!base_name) {
5610                         return NT_STATUS_NO_MEMORY;
5611                 }
5612                 p = strrchr_m(base_name, '/');
5613                 if (p) {
5614                         p[1] = '\0';
5615                 } else {
5616                         base_name = talloc_strdup(ctx, "./");
5617                         if (!base_name) {
5618                                 return NT_STATUS_NO_MEMORY;
5619                         }
5620                 }
5621                 /* Append the new name. */
5622                 base_name = talloc_asprintf_append(base_name,
5623                                 "%s",
5624                                 newname);
5625                 if (!base_name) {
5626                         return NT_STATUS_NO_MEMORY;
5627                 }
5628
5629                 status = unix_convert(ctx, conn, base_name, &smb_fname,
5630                                       UCF_SAVE_LCOMP);
5631
5632                 /* If an error we expect this to be
5633                  * NT_STATUS_OBJECT_PATH_NOT_FOUND */
5634
5635                 if (!NT_STATUS_IS_OK(status)) {
5636                         if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
5637                                             status)) {
5638                                 goto out;
5639                         }
5640                         /* Create an smb_fname to call rename_internals_fsp() */
5641                         status = create_synthetic_smb_fname(talloc_tos(),
5642                                                             base_name, NULL,
5643                                                             NULL, &smb_fname);
5644                         if (!NT_STATUS_IS_OK(status)) {
5645                                 goto out;
5646                         }
5647                 }
5648
5649         }
5650
5651         if (fsp) {
5652                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
5653                         fsp->fnum, fsp->fsp_name, base_name ));
5654                 status = rename_internals_fsp(conn, fsp, smb_fname, 0,
5655                                               overwrite);
5656         } else {
5657                 DEBUG(10,("smb_file_rename_information: SMB_FILE_RENAME_INFORMATION %s -> %s\n",
5658                         fname, base_name ));
5659                 status = rename_internals(ctx, conn, req, fname, base_name, 0,
5660                                         overwrite, False, dest_has_wcard,
5661                                         FILE_WRITE_ATTRIBUTES);
5662         }
5663  out:
5664         TALLOC_FREE(smb_fname);
5665         return status;
5666 }
5667
5668 /****************************************************************************
5669  Deal with SMB_SET_POSIX_ACL.
5670 ****************************************************************************/
5671
5672 #if defined(HAVE_POSIX_ACLS)
5673 static NTSTATUS smb_set_posix_acl(connection_struct *conn,
5674                                 const char *pdata,
5675                                 int total_data,
5676                                 files_struct *fsp,
5677                                 const char *fname,
5678                                 SMB_STRUCT_STAT *psbuf)
5679 {
5680         uint16 posix_acl_version;
5681         uint16 num_file_acls;
5682         uint16 num_def_acls;
5683         bool valid_file_acls = True;
5684         bool valid_def_acls = True;
5685
5686         if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
5687                 return NT_STATUS_INVALID_PARAMETER;
5688         }
5689         posix_acl_version = SVAL(pdata,0);
5690         num_file_acls = SVAL(pdata,2);
5691         num_def_acls = SVAL(pdata,4);
5692
5693         if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5694                 valid_file_acls = False;
5695                 num_file_acls = 0;
5696         }
5697
5698         if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
5699                 valid_def_acls = False;
5700                 num_def_acls = 0;
5701         }
5702
5703         if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
5704                 return NT_STATUS_INVALID_PARAMETER;
5705         }
5706
5707         if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
5708                         (num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
5709                 return NT_STATUS_INVALID_PARAMETER;
5710         }
5711
5712         DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
5713                 fname ? fname : fsp->fsp_name,
5714                 (unsigned int)num_file_acls,
5715                 (unsigned int)num_def_acls));
5716
5717         if (valid_file_acls && !set_unix_posix_acl(conn, fsp, fname, num_file_acls,
5718                         pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
5719                 return map_nt_error_from_unix(errno);
5720         }
5721
5722         if (valid_def_acls && !set_unix_posix_default_acl(conn, fname, psbuf, num_def_acls,
5723                         pdata + SMB_POSIX_ACL_HEADER_SIZE +
5724                         (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
5725                 return map_nt_error_from_unix(errno);
5726         }
5727         return NT_STATUS_OK;
5728 }
5729 #endif
5730
5731 /****************************************************************************
5732  Deal with SMB_SET_POSIX_LOCK.
5733 ****************************************************************************/
5734
5735 static NTSTATUS smb_set_posix_lock(connection_struct *conn,
5736                                 struct smb_request *req,
5737                                 const char *pdata,
5738                                 int total_data,
5739                                 files_struct *fsp)
5740 {
5741         uint64_t count;
5742         uint64_t offset;
5743         uint32 lock_pid;
5744         bool blocking_lock = False;
5745         enum brl_type lock_type;
5746
5747         NTSTATUS status = NT_STATUS_OK;
5748
5749         if (fsp == NULL || fsp->fh->fd == -1) {
5750                 return NT_STATUS_INVALID_HANDLE;
5751         }
5752
5753         if (total_data != POSIX_LOCK_DATA_SIZE) {
5754                 return NT_STATUS_INVALID_PARAMETER;
5755         }
5756
5757         switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5758                 case POSIX_LOCK_TYPE_READ:
5759                         lock_type = READ_LOCK;
5760                         break;
5761                 case POSIX_LOCK_TYPE_WRITE:
5762                         /* Return the right POSIX-mappable error code for files opened read-only. */
5763                         if (!fsp->can_write) {
5764                                 return NT_STATUS_INVALID_HANDLE;
5765                         }
5766                         lock_type = WRITE_LOCK;
5767                         break;
5768                 case POSIX_LOCK_TYPE_UNLOCK:
5769                         lock_type = UNLOCK_LOCK;
5770                         break;
5771                 default:
5772                         return NT_STATUS_INVALID_PARAMETER;
5773         }
5774
5775         if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
5776                 blocking_lock = False;
5777         } else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
5778                 blocking_lock = True;
5779         } else {
5780                 return NT_STATUS_INVALID_PARAMETER;
5781         }
5782
5783         if (!lp_blocking_locks(SNUM(conn))) { 
5784                 blocking_lock = False;
5785         }
5786
5787         lock_pid = IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5788 #if defined(HAVE_LONGLONG)
5789         offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) |
5790                         ((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5791         count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) |
5792                         ((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5793 #else /* HAVE_LONGLONG */
5794         offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5795         count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5796 #endif /* HAVE_LONGLONG */
5797
5798         DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
5799                         "lock_pid = %u, count = %.0f, offset = %.0f\n",
5800                 fsp->fsp_name,
5801                 (unsigned int)lock_type,
5802                 (unsigned int)lock_pid,
5803                 (double)count,
5804                 (double)offset ));
5805
5806         if (lock_type == UNLOCK_LOCK) {
5807                 status = do_unlock(smbd_messaging_context(),
5808                                 fsp,
5809                                 lock_pid,
5810                                 count,
5811                                 offset,
5812                                 POSIX_LOCK);
5813         } else {
5814                 uint32 block_smbpid;
5815
5816                 struct byte_range_lock *br_lck = do_lock(smbd_messaging_context(),
5817                                                         fsp,
5818                                                         lock_pid,
5819                                                         count,
5820                                                         offset,
5821                                                         lock_type,
5822                                                         POSIX_LOCK,
5823                                                         blocking_lock,
5824                                                         &status,
5825                                                         &block_smbpid,
5826                                                         NULL);
5827
5828                 if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
5829                         /*
5830                          * A blocking lock was requested. Package up
5831                          * this smb into a queued request and push it
5832                          * onto the blocking lock queue.
5833                          */
5834                         if(push_blocking_lock_request(br_lck,
5835                                                 req,
5836                                                 fsp,
5837                                                 -1, /* infinite timeout. */
5838                                                 0,
5839                                                 lock_pid,
5840                                                 lock_type,
5841                                                 POSIX_LOCK,
5842                                                 offset,
5843                                                 count,
5844                                                 block_smbpid)) {
5845                                 TALLOC_FREE(br_lck);
5846                                 return status;
5847                         }
5848                 }
5849                 TALLOC_FREE(br_lck);
5850         }
5851
5852         return status;
5853 }
5854
5855 /****************************************************************************
5856  Deal with SMB_INFO_STANDARD.
5857 ****************************************************************************/
5858
5859 static NTSTATUS smb_set_info_standard(connection_struct *conn,
5860                                         const char *pdata,
5861                                         int total_data,
5862                                         files_struct *fsp,
5863                                         const struct smb_filename *smb_fname)
5864 {
5865         struct smb_file_time ft;
5866         ZERO_STRUCT(ft);
5867
5868         if (total_data < 12) {
5869                 return NT_STATUS_INVALID_PARAMETER;
5870         }
5871
5872         /* create time */
5873         ft.create_time = interpret_long_date(pdata);
5874
5875         /* access time */
5876         ft.atime = interpret_long_date(pdata + 8);
5877
5878         /* write time */
5879         ft.mtime = interpret_long_date(pdata + 16);
5880
5881         DEBUG(10,("smb_set_info_standard: file %s\n",
5882                   smb_fname_str_dbg(smb_fname)));
5883
5884         return smb_set_file_time(conn, fsp, smb_fname, &ft, true);
5885 }
5886
5887 /****************************************************************************
5888  Deal with SMB_SET_FILE_BASIC_INFO.
5889 ****************************************************************************/
5890
5891 static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
5892                                         const char *pdata,
5893                                         int total_data,
5894                                         files_struct *fsp,
5895                                         const struct smb_filename *smb_fname)
5896 {
5897         /* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
5898         struct timespec write_time;
5899         struct timespec changed_time;
5900         struct smb_file_time ft;
5901         uint32 dosmode = 0;
5902         NTSTATUS status = NT_STATUS_OK;
5903         bool setting_write_time = true;
5904
5905         ZERO_STRUCT(ft);
5906
5907         if (total_data < 36) {
5908                 return NT_STATUS_INVALID_PARAMETER;
5909         }
5910
5911         /* Set the attributes */
5912         dosmode = IVAL(pdata,32);
5913         status = smb_set_file_dosmode(conn, smb_fname, dosmode);
5914         if (!NT_STATUS_IS_OK(status)) {
5915                 return status;
5916         }
5917
5918         /* access time */
5919         ft.atime = interpret_long_date(pdata+8);
5920
5921         write_time = interpret_long_date(pdata+16);
5922         changed_time = interpret_long_date(pdata+24);
5923
5924         /* mtime */
5925         ft.mtime = timespec_min(&write_time, &changed_time);
5926
5927         /* create time */
5928         ft.create_time = interpret_long_date(pdata);
5929
5930         if ((timespec_compare(&write_time, &ft.mtime) == 1) &&
5931             !null_timespec(write_time)) {
5932                 ft.mtime = write_time;
5933         }
5934
5935         /* Prefer a defined time to an undefined one. */
5936         if (null_timespec(ft.mtime)) {
5937                 if (null_timespec(write_time)) {
5938                         ft.mtime = changed_time;
5939                         setting_write_time = false;
5940                 } else {
5941                         ft.mtime = write_time;
5942                 }
5943         }
5944
5945         DEBUG(10, ("smb_set_file_basic_info: file %s\n",
5946                    smb_fname_str_dbg(smb_fname)));
5947
5948         return smb_set_file_time(conn, fsp, smb_fname, &ft,
5949                                  setting_write_time);
5950 }
5951
5952 /****************************************************************************
5953  Deal with SMB_SET_FILE_ALLOCATION_INFO.
5954 ****************************************************************************/
5955
5956 static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
5957                                              struct smb_request *req,
5958                                         const char *pdata,
5959                                         int total_data,
5960                                         files_struct *fsp,
5961                                         struct smb_filename *smb_fname)
5962 {
5963         uint64_t allocation_size = 0;
5964         NTSTATUS status = NT_STATUS_OK;
5965         files_struct *new_fsp = NULL;
5966
5967         if (!VALID_STAT(smb_fname->st)) {
5968                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5969         }
5970
5971         if (total_data < 8) {
5972                 return NT_STATUS_INVALID_PARAMETER;
5973         }
5974
5975         allocation_size = (uint64_t)IVAL(pdata,0);
5976 #ifdef LARGE_SMB_OFF_T
5977         allocation_size |= (((uint64_t)IVAL(pdata,4)) << 32);
5978 #else /* LARGE_SMB_OFF_T */
5979         if (IVAL(pdata,4) != 0) {
5980                 /* more than 32 bits? */
5981                 return NT_STATUS_INVALID_PARAMETER;
5982         }
5983 #endif /* LARGE_SMB_OFF_T */
5984
5985         DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for "
5986                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
5987                   (double)allocation_size));
5988
5989         if (allocation_size) {
5990                 allocation_size = smb_roundup(conn, allocation_size);
5991         }
5992
5993         DEBUG(10,("smb_set_file_allocation_info: file %s : setting new "
5994                   "allocation size to %.0f\n", smb_fname_str_dbg(smb_fname),
5995                   (double)allocation_size));
5996
5997         if (fsp && fsp->fh->fd != -1) {
5998                 /* Open file handle. */
5999                 /* Only change if needed. */
6000                 if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6001                         if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
6002                                 return map_nt_error_from_unix(errno);
6003                         }
6004                 }
6005                 /* But always update the time. */
6006                 /*
6007                  * This is equivalent to a write. Ensure it's seen immediately
6008                  * if there are no pending writes.
6009                  */
6010                 trigger_write_time_update_immediate(fsp);
6011                 return NT_STATUS_OK;
6012         }
6013
6014         /* Pathname or stat or directory file. */
6015         status = SMB_VFS_CREATE_FILE(
6016                 conn,                                   /* conn */
6017                 req,                                    /* req */
6018                 0,                                      /* root_dir_fid */
6019                 smb_fname,                              /* fname */
6020                 FILE_WRITE_DATA,                        /* access_mask */
6021                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6022                     FILE_SHARE_DELETE),
6023                 FILE_OPEN,                              /* create_disposition*/
6024                 0,                                      /* create_options */
6025                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
6026                 FORCE_OPLOCK_BREAK_TO_NONE,             /* oplock_request */
6027                 0,                                      /* allocation_size */
6028                 NULL,                                   /* sd */
6029                 NULL,                                   /* ea_list */
6030                 &new_fsp,                               /* result */
6031                 NULL);                                  /* pinfo */
6032
6033         if (!NT_STATUS_IS_OK(status)) {
6034                 /* NB. We check for open_was_deferred in the caller. */
6035                 return status;
6036         }
6037
6038         /* Only change if needed. */
6039         if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6040                 if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6041                         status = map_nt_error_from_unix(errno);
6042                         close_file(req, new_fsp, NORMAL_CLOSE);
6043                         return status;
6044                 }
6045         }
6046
6047         /* Changing the allocation size should set the last mod time. */
6048         /*
6049          * This is equivalent to a write. Ensure it's seen immediately
6050          * if there are no pending writes.
6051          */
6052         trigger_write_time_update_immediate(new_fsp);
6053
6054         close_file(req, new_fsp, NORMAL_CLOSE);
6055         return NT_STATUS_OK;
6056 }
6057
6058 /****************************************************************************
6059  Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6060 ****************************************************************************/
6061
6062 static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6063                                               struct smb_request *req,
6064                                         const char *pdata,
6065                                         int total_data,
6066                                         files_struct *fsp,
6067                                         const struct smb_filename *smb_fname)
6068 {
6069         SMB_OFF_T size;
6070
6071         if (total_data < 8) {
6072                 return NT_STATUS_INVALID_PARAMETER;
6073         }
6074
6075         size = IVAL(pdata,0);
6076 #ifdef LARGE_SMB_OFF_T
6077         size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6078 #else /* LARGE_SMB_OFF_T */
6079         if (IVAL(pdata,4) != 0) {
6080                 /* more than 32 bits? */
6081                 return NT_STATUS_INVALID_PARAMETER;
6082         }
6083 #endif /* LARGE_SMB_OFF_T */
6084         DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6085                   "file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6086                   (double)size));
6087
6088         return smb_set_file_size(conn, req,
6089                                 fsp,
6090                                 smb_fname,
6091                                 &smb_fname->st,
6092                                 size);
6093 }
6094
6095 /****************************************************************************
6096  Allow a UNIX info mknod.
6097 ****************************************************************************/
6098
6099 static NTSTATUS smb_unix_mknod(connection_struct *conn,
6100                                         const char *pdata,
6101                                         int total_data,
6102                                         const struct smb_filename *smb_fname)
6103 {
6104         uint32 file_type = IVAL(pdata,56);
6105 #if defined(HAVE_MAKEDEV)
6106         uint32 dev_major = IVAL(pdata,60);
6107         uint32 dev_minor = IVAL(pdata,68);
6108 #endif
6109         SMB_DEV_T dev = (SMB_DEV_T)0;
6110         uint32 raw_unixmode = IVAL(pdata,84);
6111         NTSTATUS status;
6112         mode_t unixmode;
6113
6114         if (total_data < 100) {
6115                 return NT_STATUS_INVALID_PARAMETER;
6116         }
6117
6118         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6119                                       PERM_NEW_FILE, &unixmode);
6120         if (!NT_STATUS_IS_OK(status)) {
6121                 return status;
6122         }
6123
6124 #if defined(HAVE_MAKEDEV)
6125         dev = makedev(dev_major, dev_minor);
6126 #endif
6127
6128         switch (file_type) {
6129 #if defined(S_IFIFO)
6130                 case UNIX_TYPE_FIFO:
6131                         unixmode |= S_IFIFO;
6132                         break;
6133 #endif
6134 #if defined(S_IFSOCK)
6135                 case UNIX_TYPE_SOCKET:
6136                         unixmode |= S_IFSOCK;
6137                         break;
6138 #endif
6139 #if defined(S_IFCHR)
6140                 case UNIX_TYPE_CHARDEV:
6141                         unixmode |= S_IFCHR;
6142                         break;
6143 #endif
6144 #if defined(S_IFBLK)
6145                 case UNIX_TYPE_BLKDEV:
6146                         unixmode |= S_IFBLK;
6147                         break;
6148 #endif
6149                 default:
6150                         return NT_STATUS_INVALID_PARAMETER;
6151         }
6152
6153         DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6154                   "%.0f mode 0%o for file %s\n", (double)dev,
6155                   (unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6156
6157         /* Ok - do the mknod. */
6158         if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6159                 return map_nt_error_from_unix(errno);
6160         }
6161
6162         /* If any of the other "set" calls fail we
6163          * don't want to end up with a half-constructed mknod.
6164          */
6165
6166         if (lp_inherit_perms(SNUM(conn))) {
6167                 char *parent;
6168                 if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6169                                     &parent, NULL)) {
6170                         return NT_STATUS_NO_MEMORY;
6171                 }
6172                 inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6173                                          unixmode);
6174                 TALLOC_FREE(parent);
6175         }
6176
6177         return NT_STATUS_OK;
6178 }
6179
6180 /****************************************************************************
6181  Deal with SMB_SET_FILE_UNIX_BASIC.
6182 ****************************************************************************/
6183
6184 static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6185                                         struct smb_request *req,
6186                                         const char *pdata,
6187                                         int total_data,
6188                                         files_struct *fsp,
6189                                         const struct smb_filename *smb_fname)
6190 {
6191         struct smb_file_time ft;
6192         uint32 raw_unixmode;
6193         mode_t unixmode;
6194         SMB_OFF_T size = 0;
6195         uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6196         gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6197         NTSTATUS status = NT_STATUS_OK;
6198         bool delete_on_fail = False;
6199         enum perm_type ptype;
6200         files_struct *all_fsps = NULL;
6201         bool modify_mtime = true;
6202         struct file_id id;
6203         SMB_STRUCT_STAT sbuf;
6204
6205         ZERO_STRUCT(ft);
6206
6207         if (total_data < 100) {
6208                 return NT_STATUS_INVALID_PARAMETER;
6209         }
6210
6211         if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6212            IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6213                 size=IVAL(pdata,0); /* first 8 Bytes are size */
6214 #ifdef LARGE_SMB_OFF_T
6215                 size |= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6216 #else /* LARGE_SMB_OFF_T */
6217                 if (IVAL(pdata,4) != 0) {
6218                         /* more than 32 bits? */
6219                         return NT_STATUS_INVALID_PARAMETER;
6220                 }
6221 #endif /* LARGE_SMB_OFF_T */
6222         }
6223
6224         ft.atime = interpret_long_date(pdata+24); /* access_time */
6225         ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6226         set_owner = (uid_t)IVAL(pdata,40);
6227         set_grp = (gid_t)IVAL(pdata,48);
6228         raw_unixmode = IVAL(pdata,84);
6229
6230         if (VALID_STAT(smb_fname->st)) {
6231                 if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6232                         ptype = PERM_EXISTING_DIR;
6233                 } else {
6234                         ptype = PERM_EXISTING_FILE;
6235                 }
6236         } else {
6237                 ptype = PERM_NEW_FILE;
6238         }
6239
6240         status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6241                                       ptype, &unixmode);
6242         if (!NT_STATUS_IS_OK(status)) {
6243                 return status;
6244         }
6245
6246         DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6247                   "%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6248                   smb_fname_str_dbg(smb_fname), (double)size,
6249                   (unsigned int)set_owner, (unsigned int)set_grp,
6250                   (int)raw_unixmode));
6251
6252         sbuf = smb_fname->st;
6253
6254         if (!VALID_STAT(sbuf)) {
6255                 struct smb_filename *smb_fname_tmp = NULL;
6256                 /*
6257                  * The only valid use of this is to create character and block
6258                  * devices, and named pipes. This is deprecated (IMHO) and 
6259                  * a new info level should be used for mknod. JRA.
6260                  */
6261
6262                 status = smb_unix_mknod(conn,
6263                                         pdata,
6264                                         total_data,
6265                                         smb_fname);
6266                 if (!NT_STATUS_IS_OK(status)) {
6267                         return status;
6268                 }
6269
6270                 status = copy_smb_filename(talloc_tos(), smb_fname,
6271                                            &smb_fname_tmp);
6272                 if (!NT_STATUS_IS_OK(status)) {
6273                         return status;
6274                 }
6275
6276                 if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6277                         status = map_nt_error_from_unix(errno);
6278                         TALLOC_FREE(smb_fname_tmp);
6279                         SMB_VFS_UNLINK(conn, smb_fname);
6280                         return status;
6281                 }
6282
6283                 sbuf = smb_fname_tmp->st;
6284                 TALLOC_FREE(smb_fname_tmp);
6285
6286                 /* Ensure we don't try and change anything else. */
6287                 raw_unixmode = SMB_MODE_NO_CHANGE;
6288                 size = get_file_size_stat(&sbuf);
6289                 ft.atime = sbuf.st_ex_atime;
6290                 ft.mtime = sbuf.st_ex_mtime;
6291                 /* 
6292                  * We continue here as we might want to change the 
6293                  * owner uid/gid.
6294                  */
6295                 delete_on_fail = True;
6296         }
6297
6298 #if 1
6299         /* Horrible backwards compatibility hack as an old server bug
6300          * allowed a CIFS client bug to remain unnoticed :-(. JRA.
6301          * */
6302
6303         if (!size) {
6304                 size = get_file_size_stat(&sbuf);
6305         }
6306 #endif
6307
6308         /*
6309          * Deal with the UNIX specific mode set.
6310          */
6311
6312         if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6313                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6314                           "setting mode 0%o for file %s\n",
6315                           (unsigned int)unixmode,
6316                           smb_fname_str_dbg(smb_fname)));
6317                 if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6318                         return map_nt_error_from_unix(errno);
6319                 }
6320         }
6321
6322         /*
6323          * Deal with the UNIX specific uid set.
6324          */
6325
6326         if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6327             (sbuf.st_ex_uid != set_owner)) {
6328                 int ret;
6329
6330                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6331                           "changing owner %u for path %s\n",
6332                           (unsigned int)set_owner,
6333                           smb_fname_str_dbg(smb_fname)));
6334
6335                 if (S_ISLNK(sbuf.st_ex_mode)) {
6336                         ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6337                                              set_owner, (gid_t)-1);
6338                 } else {
6339                         ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6340                                             set_owner, (gid_t)-1);
6341                 }
6342
6343                 if (ret != 0) {
6344                         status = map_nt_error_from_unix(errno);
6345                         if (delete_on_fail) {
6346                                 SMB_VFS_UNLINK(conn, smb_fname);
6347                         }
6348                         return status;
6349                 }
6350         }
6351
6352         /*
6353          * Deal with the UNIX specific gid set.
6354          */
6355
6356         if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
6357             (sbuf.st_ex_gid != set_grp)) {
6358                 DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6359                           "changing group %u for file %s\n",
6360                           (unsigned int)set_owner,
6361                           smb_fname_str_dbg(smb_fname)));
6362                 if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
6363                                   set_grp) != 0) {
6364                         status = map_nt_error_from_unix(errno);
6365                         if (delete_on_fail) {
6366                                 SMB_VFS_UNLINK(conn, smb_fname);
6367                         }
6368                         return status;
6369                 }
6370         }
6371
6372         /* Deal with any size changes. */
6373
6374         status = smb_set_file_size(conn, req,
6375                                    fsp,
6376                                    smb_fname,
6377                                    &sbuf,
6378                                    size);
6379         if (!NT_STATUS_IS_OK(status)) {
6380                 return status;
6381         }
6382
6383         /* Deal with any time changes. */
6384         if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
6385                 /* No change, don't cancel anything. */
6386                 return status;
6387         }
6388
6389         id = vfs_file_id_from_sbuf(conn, &sbuf);
6390         for(all_fsps = file_find_di_first(id); all_fsps;
6391                         all_fsps = file_find_di_next(all_fsps)) {
6392                 /*
6393                  * We're setting the time explicitly for UNIX.
6394                  * Cancel any pending changes over all handles.
6395                  */
6396                 all_fsps->update_write_time_on_close = false;
6397                 TALLOC_FREE(all_fsps->update_write_time_event);
6398         }
6399
6400         /*
6401          * Override the "setting_write_time"
6402          * parameter here as it almost does what
6403          * we need. Just remember if we modified
6404          * mtime and send the notify ourselves.
6405          */
6406         if (null_timespec(ft.mtime)) {
6407                 modify_mtime = false;
6408         }
6409
6410         status = smb_set_file_time(conn,
6411                                 fsp,
6412                                 smb_fname,
6413                                 &ft,
6414                                 false);
6415         if (modify_mtime) {
6416                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
6417                         FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
6418         }
6419         return status;
6420 }
6421
6422 /****************************************************************************
6423  Deal with SMB_SET_FILE_UNIX_INFO2.
6424 ****************************************************************************/
6425
6426 static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
6427                                         struct smb_request *req,
6428                                         const char *pdata,
6429                                         int total_data,
6430                                         files_struct *fsp,
6431                                         const struct smb_filename *smb_fname)
6432 {
6433         NTSTATUS status;
6434         uint32 smb_fflags;
6435         uint32 smb_fmask;
6436
6437         if (total_data < 116) {
6438                 return NT_STATUS_INVALID_PARAMETER;
6439         }
6440
6441         /* Start by setting all the fields that are common between UNIX_BASIC
6442          * and UNIX_INFO2.
6443          */
6444         status = smb_set_file_unix_basic(conn, req, pdata, total_data,
6445                                          fsp, smb_fname);
6446         if (!NT_STATUS_IS_OK(status)) {
6447                 return status;
6448         }
6449
6450         smb_fflags = IVAL(pdata, 108);
6451         smb_fmask = IVAL(pdata, 112);
6452
6453         /* NB: We should only attempt to alter the file flags if the client
6454          * sends a non-zero mask.
6455          */
6456         if (smb_fmask != 0) {
6457                 int stat_fflags = 0;
6458
6459                 if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
6460                                              smb_fmask, &stat_fflags)) {
6461                         /* Client asked to alter a flag we don't understand. */
6462                         return NT_STATUS_INVALID_PARAMETER;
6463                 }
6464
6465                 if (fsp && fsp->fh->fd != -1) {
6466                         /* XXX: we should be  using SMB_VFS_FCHFLAGS here. */
6467                         return NT_STATUS_NOT_SUPPORTED;
6468                 } else {
6469                         if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
6470                                             stat_fflags) != 0) {
6471                                 return map_nt_error_from_unix(errno);
6472                         }
6473                 }
6474         }
6475
6476         /* XXX: need to add support for changing the create_time here. You
6477          * can do this for paths on Darwin with setattrlist(2). The right way
6478          * to hook this up is probably by extending the VFS utimes interface.
6479          */
6480
6481         return NT_STATUS_OK;
6482 }
6483
6484 /****************************************************************************
6485  Create a directory with POSIX semantics.
6486 ****************************************************************************/
6487
6488 static NTSTATUS smb_posix_mkdir(connection_struct *conn,
6489                                 struct smb_request *req,
6490                                 char **ppdata,
6491                                 int total_data,
6492                                 const char *fname,
6493                                 SMB_STRUCT_STAT *psbuf,
6494                                 int *pdata_return_size)
6495 {
6496         struct smb_filename *smb_fname;
6497         NTSTATUS status = NT_STATUS_OK;
6498         uint32 raw_unixmode = 0;
6499         uint32 mod_unixmode = 0;
6500         mode_t unixmode = (mode_t)0;
6501         files_struct *fsp = NULL;
6502         uint16 info_level_return = 0;
6503         int info;
6504         char *pdata = *ppdata;
6505
6506         if (total_data < 18) {
6507                 return NT_STATUS_INVALID_PARAMETER;
6508         }
6509
6510         raw_unixmode = IVAL(pdata,8);
6511         /* Next 4 bytes are not yet defined. */
6512
6513         status = unix_perms_from_wire(conn, psbuf, raw_unixmode, PERM_NEW_DIR, &unixmode);
6514         if (!NT_STATUS_IS_OK(status)) {
6515                 return status;
6516         }
6517
6518         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6519
6520         DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
6521                 fname, (unsigned int)unixmode ));
6522
6523         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6524                                                   &smb_fname);
6525         if (!NT_STATUS_IS_OK(status)) {
6526                 return status;
6527         }
6528
6529         status = SMB_VFS_CREATE_FILE(
6530                 conn,                                   /* conn */
6531                 req,                                    /* req */
6532                 0,                                      /* root_dir_fid */
6533                 smb_fname,                              /* fname */
6534                 FILE_READ_ATTRIBUTES,                   /* access_mask */
6535                 FILE_SHARE_NONE,                        /* share_access */
6536                 FILE_CREATE,                            /* create_disposition*/
6537                 FILE_DIRECTORY_FILE,                    /* create_options */
6538                 mod_unixmode,                           /* file_attributes */
6539                 0,                                      /* oplock_request */
6540                 0,                                      /* allocation_size */
6541                 NULL,                                   /* sd */
6542                 NULL,                                   /* ea_list */
6543                 &fsp,                                   /* result */
6544                 &info);                                 /* pinfo */
6545
6546         *psbuf = smb_fname->st;
6547         TALLOC_FREE(smb_fname);
6548
6549         if (NT_STATUS_IS_OK(status)) {
6550                 close_file(req, fsp, NORMAL_CLOSE);
6551         }
6552
6553         info_level_return = SVAL(pdata,16);
6554  
6555         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6556                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6557         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6558                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6559         } else {
6560                 *pdata_return_size = 12;
6561         }
6562
6563         /* Realloc the data size */
6564         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6565         if (*ppdata == NULL) {
6566                 *pdata_return_size = 0;
6567                 return NT_STATUS_NO_MEMORY;
6568         }
6569         pdata = *ppdata;
6570
6571         SSVAL(pdata,0,NO_OPLOCK_RETURN);
6572         SSVAL(pdata,2,0); /* No fnum. */
6573         SIVAL(pdata,4,info); /* Was directory created. */
6574
6575         switch (info_level_return) {
6576                 case SMB_QUERY_FILE_UNIX_BASIC:
6577                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6578                         SSVAL(pdata,10,0); /* Padding. */
6579                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6580                         break;
6581                 case SMB_QUERY_FILE_UNIX_INFO2:
6582                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6583                         SSVAL(pdata,10,0); /* Padding. */
6584                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6585                         break;
6586                 default:
6587                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6588                         SSVAL(pdata,10,0); /* Padding. */
6589                         break;
6590         }
6591
6592         return status;
6593 }
6594
6595 /****************************************************************************
6596  Open/Create a file with POSIX semantics.
6597 ****************************************************************************/
6598
6599 static NTSTATUS smb_posix_open(connection_struct *conn,
6600                                struct smb_request *req,
6601                                 char **ppdata,
6602                                 int total_data,
6603                                 const char *fname,
6604                                 SMB_STRUCT_STAT *psbuf,
6605                                 int *pdata_return_size)
6606 {
6607         struct smb_filename *smb_fname = NULL;
6608         bool extended_oplock_granted = False;
6609         char *pdata = *ppdata;
6610         uint32 flags = 0;
6611         uint32 wire_open_mode = 0;
6612         uint32 raw_unixmode = 0;
6613         uint32 mod_unixmode = 0;
6614         uint32 create_disp = 0;
6615         uint32 access_mask = 0;
6616         uint32 create_options = 0;
6617         NTSTATUS status = NT_STATUS_OK;
6618         mode_t unixmode = (mode_t)0;
6619         files_struct *fsp = NULL;
6620         int oplock_request = 0;
6621         int info = 0;
6622         uint16 info_level_return = 0;
6623
6624         if (total_data < 18) {
6625                 return NT_STATUS_INVALID_PARAMETER;
6626         }
6627
6628         flags = IVAL(pdata,0);
6629         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
6630         if (oplock_request) {
6631                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
6632         }
6633
6634         wire_open_mode = IVAL(pdata,4);
6635
6636         if (wire_open_mode == (SMB_O_CREAT|SMB_O_DIRECTORY)) {
6637                 return smb_posix_mkdir(conn, req,
6638                                         ppdata,
6639                                         total_data,
6640                                         fname,
6641                                         psbuf,
6642                                         pdata_return_size);
6643         }
6644
6645         switch (wire_open_mode & SMB_ACCMODE) {
6646                 case SMB_O_RDONLY:
6647                         access_mask = FILE_READ_DATA;
6648                         break;
6649                 case SMB_O_WRONLY:
6650                         access_mask = FILE_WRITE_DATA;
6651                         break;
6652                 case SMB_O_RDWR:
6653                         access_mask = FILE_READ_DATA|FILE_WRITE_DATA;
6654                         break;
6655                 default:
6656                         DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
6657                                 (unsigned int)wire_open_mode ));
6658                         return NT_STATUS_INVALID_PARAMETER;
6659         }
6660
6661         wire_open_mode &= ~SMB_ACCMODE;
6662
6663         if((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL)) == (SMB_O_CREAT | SMB_O_EXCL)) {
6664                 create_disp = FILE_CREATE;
6665         } else if((wire_open_mode & (SMB_O_CREAT | SMB_O_TRUNC)) == (SMB_O_CREAT | SMB_O_TRUNC)) {
6666                 create_disp = FILE_OVERWRITE_IF;
6667         } else if((wire_open_mode & SMB_O_CREAT) == SMB_O_CREAT) {
6668                 create_disp = FILE_OPEN_IF;
6669         } else if ((wire_open_mode & (SMB_O_CREAT | SMB_O_EXCL | SMB_O_TRUNC)) == 0) {
6670                 create_disp = FILE_OPEN;
6671         } else {
6672                 DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
6673                         (unsigned int)wire_open_mode ));
6674                 return NT_STATUS_INVALID_PARAMETER;
6675         }
6676
6677         raw_unixmode = IVAL(pdata,8);
6678         /* Next 4 bytes are not yet defined. */
6679
6680         status = unix_perms_from_wire(conn,
6681                                 psbuf,
6682                                 raw_unixmode,
6683                                 VALID_STAT(*psbuf) ? PERM_EXISTING_FILE : PERM_NEW_FILE,
6684                                 &unixmode);
6685
6686         if (!NT_STATUS_IS_OK(status)) {
6687                 return status;
6688         }
6689
6690         mod_unixmode = (uint32)unixmode | FILE_FLAG_POSIX_SEMANTICS;
6691
6692         if (wire_open_mode & SMB_O_SYNC) {
6693                 create_options |= FILE_WRITE_THROUGH;
6694         }
6695         if (wire_open_mode & SMB_O_APPEND) {
6696                 access_mask |= FILE_APPEND_DATA;
6697         }
6698         if (wire_open_mode & SMB_O_DIRECT) {
6699                 mod_unixmode |= FILE_FLAG_NO_BUFFERING;
6700         }
6701
6702         DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
6703                 fname,
6704                 (unsigned int)wire_open_mode,
6705                 (unsigned int)unixmode ));
6706
6707         status = create_synthetic_smb_fname_split(talloc_tos(), fname, psbuf,
6708                                                   &smb_fname);
6709         if (!NT_STATUS_IS_OK(status)) {
6710                 return status;
6711         }
6712
6713         status = SMB_VFS_CREATE_FILE(
6714                 conn,                                   /* conn */
6715                 req,                                    /* req */
6716                 0,                                      /* root_dir_fid */
6717                 smb_fname,                              /* fname */
6718                 access_mask,                            /* access_mask */
6719                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6720                     FILE_SHARE_DELETE),
6721                 create_disp,                            /* create_disposition*/
6722                 FILE_NON_DIRECTORY_FILE,                /* create_options */
6723                 mod_unixmode,                           /* file_attributes */
6724                 oplock_request,                         /* oplock_request */
6725                 0,                                      /* allocation_size */
6726                 NULL,                                   /* sd */
6727                 NULL,                                   /* ea_list */
6728                 &fsp,                                   /* result */
6729                 &info);                                 /* pinfo */
6730
6731         *psbuf = smb_fname->st;
6732         TALLOC_FREE(smb_fname);
6733
6734         if (!NT_STATUS_IS_OK(status)) {
6735                 return status;
6736         }
6737
6738         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
6739                 extended_oplock_granted = True;
6740         }
6741
6742         if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
6743                 extended_oplock_granted = True;
6744         }
6745
6746         info_level_return = SVAL(pdata,16);
6747  
6748         /* Allocate the correct return size. */
6749
6750         if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
6751                 *pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
6752         } else if (info_level_return ==  SMB_QUERY_FILE_UNIX_INFO2) {
6753                 *pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
6754         } else {
6755                 *pdata_return_size = 12;
6756         }
6757
6758         /* Realloc the data size */
6759         *ppdata = (char *)SMB_REALLOC(*ppdata,*pdata_return_size);
6760         if (*ppdata == NULL) {
6761                 close_file(req, fsp, ERROR_CLOSE);
6762                 *pdata_return_size = 0;
6763                 return NT_STATUS_NO_MEMORY;
6764         }
6765         pdata = *ppdata;
6766
6767         if (extended_oplock_granted) {
6768                 if (flags & REQUEST_BATCH_OPLOCK) {
6769                         SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
6770                 } else {
6771                         SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
6772                 }
6773         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
6774                 SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
6775         } else {
6776                 SSVAL(pdata,0,NO_OPLOCK_RETURN);
6777         }
6778
6779         SSVAL(pdata,2,fsp->fnum);
6780         SIVAL(pdata,4,info); /* Was file created etc. */
6781
6782         switch (info_level_return) {
6783                 case SMB_QUERY_FILE_UNIX_BASIC:
6784                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
6785                         SSVAL(pdata,10,0); /* padding. */
6786                         store_file_unix_basic(conn, pdata + 12, fsp, psbuf);
6787                         break;
6788                 case SMB_QUERY_FILE_UNIX_INFO2:
6789                         SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
6790                         SSVAL(pdata,10,0); /* padding. */
6791                         store_file_unix_basic_info2(conn, pdata + 12, fsp, psbuf);
6792                         break;
6793                 default:
6794                         SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
6795                         SSVAL(pdata,10,0); /* padding. */
6796                         break;
6797         }
6798         return NT_STATUS_OK;
6799 }
6800
6801 /****************************************************************************
6802  Delete a file with POSIX semantics.
6803 ****************************************************************************/
6804
6805 static NTSTATUS smb_posix_unlink(connection_struct *conn,
6806                                  struct smb_request *req,
6807                                 const char *pdata,
6808                                 int total_data,
6809                                 struct smb_filename *smb_fname)
6810 {
6811         NTSTATUS status = NT_STATUS_OK;
6812         files_struct *fsp = NULL;
6813         uint16 flags = 0;
6814         char del = 1;
6815         int info = 0;
6816         int create_options = 0;
6817         int i;
6818         struct share_mode_lock *lck = NULL;
6819
6820         if (total_data < 2) {
6821                 return NT_STATUS_INVALID_PARAMETER;
6822         }
6823
6824         flags = SVAL(pdata,0);
6825
6826         if (!VALID_STAT(smb_fname->st)) {
6827                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6828         }
6829
6830         if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
6831                         !VALID_STAT_OF_DIR(smb_fname->st)) {
6832                 return NT_STATUS_NOT_A_DIRECTORY;
6833         }
6834
6835         DEBUG(10,("smb_posix_unlink: %s %s\n",
6836                 (flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
6837                 smb_fname_str_dbg(smb_fname)));
6838
6839         if (VALID_STAT_OF_DIR(smb_fname->st)) {
6840                 create_options |= FILE_DIRECTORY_FILE;
6841         }
6842
6843         status = SMB_VFS_CREATE_FILE(
6844                 conn,                                   /* conn */
6845                 req,                                    /* req */
6846                 0,                                      /* root_dir_fid */
6847                 smb_fname,                              /* fname */
6848                 DELETE_ACCESS,                          /* access_mask */
6849                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
6850                     FILE_SHARE_DELETE),
6851                 FILE_OPEN,                              /* create_disposition*/
6852                 create_options,                         /* create_options */
6853                 FILE_FLAG_POSIX_SEMANTICS|0777,         /* file_attributes */
6854                 0,                                      /* oplock_request */
6855                 0,                                      /* allocation_size */
6856                 NULL,                                   /* sd */
6857                 NULL,                                   /* ea_list */
6858                 &fsp,                                   /* result */
6859                 &info);                                 /* pinfo */
6860
6861         if (!NT_STATUS_IS_OK(status)) {
6862                 return status;
6863         }
6864
6865         /*
6866          * Don't lie to client. If we can't really delete due to
6867          * non-POSIX opens return SHARING_VIOLATION.
6868          */
6869
6870         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
6871                                   NULL);
6872         if (lck == NULL) {
6873                 DEBUG(0, ("smb_posix_unlink: Could not get share mode "
6874                         "lock for file %s\n", fsp->fsp_name));
6875                 close_file(req, fsp, NORMAL_CLOSE);
6876                 return NT_STATUS_INVALID_PARAMETER;
6877         }
6878
6879         /*
6880          * See if others still have the file open. If this is the case, then
6881          * don't delete. If all opens are POSIX delete we can set the delete
6882          * on close disposition.
6883          */
6884         for (i=0; i<lck->num_share_modes; i++) {
6885                 struct share_mode_entry *e = &lck->share_modes[i];
6886                 if (is_valid_share_mode_entry(e)) {
6887                         if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
6888                                 continue;
6889                         }
6890                         /* Fail with sharing violation. */
6891                         close_file(req, fsp, NORMAL_CLOSE);
6892                         TALLOC_FREE(lck);
6893                         return NT_STATUS_SHARING_VIOLATION;
6894                 }
6895         }
6896
6897         /*
6898          * Set the delete on close.
6899          */
6900         status = smb_set_file_disposition_info(conn,
6901                                                 &del,
6902                                                 1,
6903                                                 fsp,
6904                                                 smb_fname);
6905
6906         if (!NT_STATUS_IS_OK(status)) {
6907                 close_file(req, fsp, NORMAL_CLOSE);
6908                 TALLOC_FREE(lck);
6909                 return status;
6910         }
6911         TALLOC_FREE(lck);
6912         return close_file(req, fsp, NORMAL_CLOSE);
6913 }
6914
6915 /****************************************************************************
6916  Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
6917 ****************************************************************************/
6918
6919 static void call_trans2setfilepathinfo(connection_struct *conn,
6920                                        struct smb_request *req,
6921                                        unsigned int tran_call,
6922                                        char **pparams, int total_params,
6923                                        char **ppdata, int total_data,
6924                                        unsigned int max_data_bytes)
6925 {
6926         char *params = *pparams;
6927         char *pdata = *ppdata;
6928         uint16 info_level;
6929         SMB_STRUCT_STAT sbuf;
6930         char *fname = NULL;
6931         struct smb_filename *smb_fname = NULL;
6932         files_struct *fsp = NULL;
6933         NTSTATUS status = NT_STATUS_OK;
6934         int data_return_size = 0;
6935         TALLOC_CTX *ctx = talloc_tos();
6936
6937         if (!params) {
6938                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6939                 return;
6940         }
6941
6942         if (tran_call == TRANSACT2_SETFILEINFO) {
6943                 if (total_params < 4) {
6944                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6945                         return;
6946                 }
6947
6948                 fsp = file_fsp(req, SVAL(params,0));
6949                 /* Basic check for non-null fsp. */
6950                 if (!check_fsp_open(conn, req, fsp)) {
6951                         return;
6952                 }
6953                 info_level = SVAL(params,2);
6954
6955                 fname = talloc_strdup(talloc_tos(),fsp->fsp_name);
6956                 if (!fname) {
6957                         reply_nterror(req, NT_STATUS_NO_MEMORY);
6958                         return;
6959                 }
6960
6961                 status = create_synthetic_smb_fname_split(talloc_tos(), fname,
6962                                                           NULL, &smb_fname);
6963                 if (!NT_STATUS_IS_OK(status)) {
6964                         reply_nterror(req, status);
6965                         return;
6966                 }
6967
6968                 if(fsp->is_directory || fsp->fh->fd == -1) {
6969                         /*
6970                          * This is actually a SETFILEINFO on a directory
6971                          * handle (returned from an NT SMB). NT5.0 seems
6972                          * to do this call. JRA.
6973                          */
6974                         if (INFO_LEVEL_IS_UNIX(info_level)) {
6975                                 /* Always do lstat for UNIX calls. */
6976                                 if (SMB_VFS_LSTAT(conn, smb_fname)) {
6977                                         DEBUG(3,("call_trans2setfilepathinfo: "
6978                                                  "SMB_VFS_LSTAT of %s failed "
6979                                                  "(%s)\n",
6980                                                  smb_fname_str_dbg(smb_fname),
6981                                                  strerror(errno)));
6982                                         reply_nterror(req, map_nt_error_from_unix(errno));
6983                                         return;
6984                                 }
6985                         } else {
6986                                 if (SMB_VFS_STAT(conn, smb_fname) != 0) {
6987                                         DEBUG(3,("call_trans2setfilepathinfo: "
6988                                                  "fileinfo of %s failed (%s)\n",
6989                                                  smb_fname_str_dbg(smb_fname),
6990                                                  strerror(errno)));
6991                                         reply_nterror(req, map_nt_error_from_unix(errno));
6992                                         return;
6993                                 }
6994                         }
6995                 } else if (fsp->print_file) {
6996                         /*
6997                          * Doing a DELETE_ON_CLOSE should cancel a print job.
6998                          */
6999                         if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
7000                                 fsp->fh->private_options |= FILE_DELETE_ON_CLOSE;
7001
7002                                 DEBUG(3,("call_trans2setfilepathinfo: Cancelling print job (%s)\n", fsp->fsp_name ));
7003
7004                                 SSVAL(params,0,0);
7005                                 send_trans2_replies(conn, req, params, 2,
7006                                                     *ppdata, 0,
7007                                                     max_data_bytes);
7008                                 return;
7009                         } else {
7010                                 reply_doserror(req, ERRDOS, ERRbadpath);
7011                                 return;
7012                         }
7013                 } else {
7014                         /*
7015                          * Original code - this is an open file.
7016                          */
7017                         if (!check_fsp(conn, req, fsp)) {
7018                                 return;
7019                         }
7020
7021                         if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
7022                                 DEBUG(3,("call_trans2setfilepathinfo: fstat "
7023                                          "of fnum %d failed (%s)\n", fsp->fnum,
7024                                          strerror(errno)));
7025                                 reply_nterror(req, map_nt_error_from_unix(errno));
7026                                 return;
7027                         }
7028                 }
7029         } else {
7030                 /* set path info */
7031                 if (total_params < 7) {
7032                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7033                         return;
7034                 }
7035
7036                 info_level = SVAL(params,0);
7037                 srvstr_get_path(ctx, params, req->flags2, &fname, &params[6],
7038                                 total_params - 6, STR_TERMINATE,
7039                                 &status);
7040                 if (!NT_STATUS_IS_OK(status)) {
7041                         reply_nterror(req, status);
7042                         return;
7043                 }
7044
7045                 status = filename_convert(ctx, conn,
7046                                          req->flags2 & FLAGS2_DFS_PATHNAMES,
7047                                          fname,
7048                                          &smb_fname,
7049                                          &fname);
7050                 if (!NT_STATUS_IS_OK(status)) {
7051                         if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7052                                 reply_botherror(req,
7053                                                 NT_STATUS_PATH_NOT_COVERED,
7054                                                 ERRSRV, ERRbadpath);
7055                                 return;
7056                         }
7057                         reply_nterror(req, status);
7058                         return;
7059                 }
7060
7061                 if (INFO_LEVEL_IS_UNIX(info_level)) {
7062                         /*
7063                          * For CIFS UNIX extensions the target name may not exist.
7064                          */
7065
7066                         /* Always do lstat for UNIX calls. */
7067                         SMB_VFS_LSTAT(conn, smb_fname);
7068
7069                 } else if (!VALID_STAT(smb_fname->st) &&
7070                            SMB_VFS_STAT(conn, smb_fname)) {
7071                         DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
7072                                  "%s failed (%s)\n",
7073                                  smb_fname_str_dbg(smb_fname),
7074                                  strerror(errno)));
7075                         reply_nterror(req, map_nt_error_from_unix(errno));
7076                         return;
7077                 }
7078         }
7079
7080         /* Set sbuf for use below. */
7081         sbuf = smb_fname->st;
7082
7083         if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7084                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7085                 return;
7086         }
7087
7088         if (!CAN_WRITE(conn)) {
7089                 /* Allow POSIX opens. The open path will deny
7090                  * any non-readonly opens. */
7091                 if (info_level != SMB_POSIX_PATH_OPEN) {
7092                         reply_doserror(req, ERRSRV, ERRaccess);
7093                         return;
7094                 }
7095         }
7096
7097         DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d totdata=%d\n",
7098                 tran_call,fname, fsp ? fsp->fnum : -1, info_level,total_data));
7099
7100         /* Realloc the parameter size */
7101         *pparams = (char *)SMB_REALLOC(*pparams,2);
7102         if (*pparams == NULL) {
7103                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7104                 return;
7105         }
7106         params = *pparams;
7107
7108         SSVAL(params,0,0);
7109
7110         switch (info_level) {
7111
7112                 case SMB_INFO_STANDARD:
7113                 {
7114                         status = smb_set_info_standard(conn,
7115                                         pdata,
7116                                         total_data,
7117                                         fsp,
7118                                         smb_fname);
7119                         break;
7120                 }
7121
7122                 case SMB_INFO_SET_EA:
7123                 {
7124                         status = smb_info_set_ea(conn,
7125                                                 pdata,
7126                                                 total_data,
7127                                                 fsp,
7128                                                 smb_fname);
7129                         break;
7130                 }
7131
7132                 case SMB_SET_FILE_BASIC_INFO:
7133                 case SMB_FILE_BASIC_INFORMATION:
7134                 {
7135                         status = smb_set_file_basic_info(conn,
7136                                                         pdata,
7137                                                         total_data,
7138                                                         fsp,
7139                                                         smb_fname);
7140                         break;
7141                 }
7142
7143                 case SMB_FILE_ALLOCATION_INFORMATION:
7144                 case SMB_SET_FILE_ALLOCATION_INFO:
7145                 {
7146                         status = smb_set_file_allocation_info(conn, req,
7147                                                                 pdata,
7148                                                                 total_data,
7149                                                                 fsp,
7150                                                                 smb_fname);
7151                         break;
7152                 }
7153
7154                 case SMB_FILE_END_OF_FILE_INFORMATION:
7155                 case SMB_SET_FILE_END_OF_FILE_INFO:
7156                 {
7157                         status = smb_set_file_end_of_file_info(conn, req,
7158                                                                 pdata,
7159                                                                 total_data,
7160                                                                 fsp,
7161                                                                 smb_fname);
7162                         break;
7163                 }
7164
7165                 case SMB_FILE_DISPOSITION_INFORMATION:
7166                 case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7167                 {
7168 #if 0
7169                         /* JRA - We used to just ignore this on a path ? 
7170                          * Shouldn't this be invalid level on a pathname
7171                          * based call ?
7172                          */
7173                         if (tran_call != TRANSACT2_SETFILEINFO) {
7174                                 return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7175                         }
7176 #endif
7177                         status = smb_set_file_disposition_info(conn,
7178                                                 pdata,
7179                                                 total_data,
7180                                                 fsp,
7181                                                 smb_fname);
7182                         break;
7183                 }
7184
7185                 case SMB_FILE_POSITION_INFORMATION:
7186                 {
7187                         status = smb_file_position_information(conn,
7188                                                 pdata,
7189                                                 total_data,
7190                                                 fsp);
7191                         break;
7192                 }
7193
7194                 /* From tridge Samba4 : 
7195                  * MODE_INFORMATION in setfileinfo (I have no
7196                  * idea what "mode information" on a file is - it takes a value of 0,
7197                  * 2, 4 or 6. What could it be?).
7198                  */
7199
7200                 case SMB_FILE_MODE_INFORMATION:
7201                 {
7202                         status = smb_file_mode_information(conn,
7203                                                 pdata,
7204                                                 total_data);
7205                         break;
7206                 }
7207
7208                 /*
7209                  * CIFS UNIX extensions.
7210                  */
7211
7212                 case SMB_SET_FILE_UNIX_BASIC:
7213                 {
7214                         status = smb_set_file_unix_basic(conn, req,
7215                                                         pdata,
7216                                                         total_data,
7217                                                         fsp,
7218                                                         smb_fname);
7219                         break;
7220                 }
7221
7222                 case SMB_SET_FILE_UNIX_INFO2:
7223                 {
7224                         status = smb_set_file_unix_info2(conn, req,
7225                                                         pdata,
7226                                                         total_data,
7227                                                         fsp,
7228                                                         smb_fname);
7229                         break;
7230                 }
7231
7232                 case SMB_SET_FILE_UNIX_LINK:
7233                 {
7234                         if (tran_call != TRANSACT2_SETPATHINFO) {
7235                                 /* We must have a pathname for this. */
7236                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7237                                 return;
7238                         }
7239                         status = smb_set_file_unix_link(conn, req, pdata,
7240                                                         total_data, fname);
7241                         break;
7242                 }
7243
7244                 case SMB_SET_FILE_UNIX_HLINK:
7245                 {
7246                         if (tran_call != TRANSACT2_SETPATHINFO || smb_fname == NULL) {
7247                                 /* We must have a pathname for this. */
7248                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7249                                 return;
7250                         }
7251                         status = smb_set_file_unix_hlink(conn, req,
7252                                                          pdata, total_data,
7253                                                          smb_fname);
7254                         break;
7255                 }
7256
7257                 case SMB_FILE_RENAME_INFORMATION:
7258                 {
7259                         status = smb_file_rename_information(conn, req,
7260                                                              pdata, total_data,
7261                                                              fsp, fname);
7262                         break;
7263                 }
7264
7265 #if defined(HAVE_POSIX_ACLS)
7266                 case SMB_SET_POSIX_ACL:
7267                 {
7268                         status = smb_set_posix_acl(conn,
7269                                                 pdata,
7270                                                 total_data,
7271                                                 fsp,
7272                                                 fname,
7273                                                 &sbuf);
7274                         break;
7275                 }
7276 #endif
7277
7278                 case SMB_SET_POSIX_LOCK:
7279                 {
7280                         if (tran_call != TRANSACT2_SETFILEINFO) {
7281                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7282                                 return;
7283                         }
7284                         status = smb_set_posix_lock(conn, req,
7285                                                     pdata, total_data, fsp);
7286                         break;
7287                 }
7288
7289                 case SMB_POSIX_PATH_OPEN:
7290                 {
7291                         if (tran_call != TRANSACT2_SETPATHINFO) {
7292                                 /* We must have a pathname for this. */
7293                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7294                                 return;
7295                         }
7296
7297                         status = smb_posix_open(conn, req,
7298                                                 ppdata,
7299                                                 total_data,
7300                                                 fname,
7301                                                 &sbuf,
7302                                                 &data_return_size);
7303                         break;
7304                 }
7305
7306                 case SMB_POSIX_PATH_UNLINK:
7307                 {
7308                         if (tran_call != TRANSACT2_SETPATHINFO) {
7309                                 /* We must have a pathname for this. */
7310                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7311                                 return;
7312                         }
7313
7314                         status = smb_posix_unlink(conn, req,
7315                                                 pdata,
7316                                                 total_data,
7317                                                 smb_fname);
7318                         break;
7319                 }
7320
7321                 default:
7322                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7323                         return;
7324         }
7325
7326         if (!NT_STATUS_IS_OK(status)) {
7327                 if (open_was_deferred(req->mid)) {
7328                         /* We have re-scheduled this call. */
7329                         return;
7330                 }
7331                 if (blocking_lock_was_deferred(req->mid)) {
7332                         /* We have re-scheduled this call. */
7333                         return;
7334                 }
7335                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7336                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
7337                                         ERRSRV, ERRbadpath);
7338                         return;
7339                 }
7340                 if (info_level == SMB_POSIX_PATH_OPEN) {
7341                         reply_openerror(req, status);
7342                         return;
7343                 }
7344
7345                 reply_nterror(req, status);
7346                 return;
7347         }
7348
7349         SSVAL(params,0,0);
7350         send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
7351                             max_data_bytes);
7352
7353         return;
7354 }
7355
7356 /****************************************************************************
7357  Reply to a TRANS2_MKDIR (make directory with extended attributes).
7358 ****************************************************************************/
7359
7360 static void call_trans2mkdir(connection_struct *conn, struct smb_request *req,
7361                              char **pparams, int total_params,
7362                              char **ppdata, int total_data,
7363                              unsigned int max_data_bytes)
7364 {
7365         struct smb_filename *smb_dname = NULL;
7366         char *params = *pparams;
7367         char *pdata = *ppdata;
7368         char *directory = NULL;
7369         NTSTATUS status = NT_STATUS_OK;
7370         struct ea_list *ea_list = NULL;
7371         TALLOC_CTX *ctx = talloc_tos();
7372
7373         if (!CAN_WRITE(conn)) {
7374                 reply_doserror(req, ERRSRV, ERRaccess);
7375                 return;
7376         }
7377
7378         if (total_params < 5) {
7379                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7380                 return;
7381         }
7382
7383         srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
7384                         total_params - 4, STR_TERMINATE,
7385                         &status);
7386         if (!NT_STATUS_IS_OK(status)) {
7387                 reply_nterror(req, status);
7388                 return;
7389         }
7390
7391         DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
7392
7393         status = filename_convert(ctx,
7394                                 conn,
7395                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
7396                                 directory,
7397                                 &smb_dname,
7398                                 NULL);
7399
7400         if (!NT_STATUS_IS_OK(status)) {
7401                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
7402                         reply_botherror(req,
7403                                 NT_STATUS_PATH_NOT_COVERED,
7404                                 ERRSRV, ERRbadpath);
7405                         return;
7406                 }
7407                 reply_nterror(req, status);
7408                 return;
7409         }
7410
7411         /* Any data in this call is an EA list. */
7412         if (total_data && (total_data != 4) && !lp_ea_support(SNUM(conn))) {
7413                 reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
7414                 goto out;
7415         }
7416
7417         /*
7418          * OS/2 workplace shell seems to send SET_EA requests of "null"
7419          * length (4 bytes containing IVAL 4).
7420          * They seem to have no effect. Bug #3212. JRA.
7421          */
7422
7423         if (total_data != 4) {
7424                 if (total_data < 10) {
7425                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7426                         goto out;
7427                 }
7428
7429                 if (IVAL(pdata,0) > total_data) {
7430                         DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
7431                                 IVAL(pdata,0), (unsigned int)total_data));
7432                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7433                         goto out;
7434                 }
7435
7436                 ea_list = read_ea_list(talloc_tos(), pdata + 4,
7437                                        total_data - 4);
7438                 if (!ea_list) {
7439                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7440                         goto out;
7441                 }
7442         }
7443         /* If total_data == 4 Windows doesn't care what values
7444          * are placed in that field, it just ignores them.
7445          * The System i QNTC IBM SMB client puts bad values here,
7446          * so ignore them. */
7447
7448         status = create_directory(conn, req, smb_dname);
7449
7450         if (!NT_STATUS_IS_OK(status)) {
7451                 reply_nterror(req, status);
7452                 goto out;
7453         }
7454
7455         /* Try and set any given EA. */
7456         if (ea_list) {
7457                 status = set_ea(conn, NULL, smb_dname, ea_list);
7458                 if (!NT_STATUS_IS_OK(status)) {
7459                         reply_nterror(req, status);
7460                         goto out;
7461                 }
7462         }
7463
7464         /* Realloc the parameter and data sizes */
7465         *pparams = (char *)SMB_REALLOC(*pparams,2);
7466         if(*pparams == NULL) {
7467                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7468                 goto out;
7469         }
7470         params = *pparams;
7471
7472         SSVAL(params,0,0);
7473
7474         send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
7475
7476  out:
7477         TALLOC_FREE(smb_dname);
7478         return;
7479 }
7480
7481 /****************************************************************************
7482  Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
7483  We don't actually do this - we just send a null response.
7484 ****************************************************************************/
7485
7486 static void call_trans2findnotifyfirst(connection_struct *conn,
7487                                        struct smb_request *req,
7488                                        char **pparams, int total_params,
7489                                        char **ppdata, int total_data,
7490                                        unsigned int max_data_bytes)
7491 {
7492         char *params = *pparams;
7493         uint16 info_level;
7494
7495         if (total_params < 6) {
7496                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7497                 return;
7498         }
7499
7500         info_level = SVAL(params,4);
7501         DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
7502
7503         switch (info_level) {
7504                 case 1:
7505                 case 2:
7506                         break;
7507                 default:
7508                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
7509                         return;
7510         }
7511
7512         /* Realloc the parameter and data sizes */
7513         *pparams = (char *)SMB_REALLOC(*pparams,6);
7514         if (*pparams == NULL) {
7515                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7516                 return;
7517         }
7518         params = *pparams;
7519
7520         SSVAL(params,0,fnf_handle);
7521         SSVAL(params,2,0); /* No changes */
7522         SSVAL(params,4,0); /* No EA errors */
7523
7524         fnf_handle++;
7525
7526         if(fnf_handle == 0)
7527                 fnf_handle = 257;
7528
7529         send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
7530
7531         return;
7532 }
7533
7534 /****************************************************************************
7535  Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for 
7536  changes). Currently this does nothing.
7537 ****************************************************************************/
7538
7539 static void call_trans2findnotifynext(connection_struct *conn,
7540                                       struct smb_request *req,
7541                                       char **pparams, int total_params,
7542                                       char **ppdata, int total_data,
7543                                       unsigned int max_data_bytes)
7544 {
7545         char *params = *pparams;
7546
7547         DEBUG(3,("call_trans2findnotifynext\n"));
7548
7549         /* Realloc the parameter and data sizes */
7550         *pparams = (char *)SMB_REALLOC(*pparams,4);
7551         if (*pparams == NULL) {
7552                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7553                 return;
7554         }
7555         params = *pparams;
7556
7557         SSVAL(params,0,0); /* No changes */
7558         SSVAL(params,2,0); /* No EA errors */
7559
7560         send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
7561
7562         return;
7563 }
7564
7565 /****************************************************************************
7566  Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
7567 ****************************************************************************/
7568
7569 static void call_trans2getdfsreferral(connection_struct *conn,
7570                                       struct smb_request *req,
7571                                       char **pparams, int total_params,
7572                                       char **ppdata, int total_data,
7573                                       unsigned int max_data_bytes)
7574 {
7575         char *params = *pparams;
7576         char *pathname = NULL;
7577         int reply_size = 0;
7578         int max_referral_level;
7579         NTSTATUS status = NT_STATUS_OK;
7580         TALLOC_CTX *ctx = talloc_tos();
7581
7582         DEBUG(10,("call_trans2getdfsreferral\n"));
7583
7584         if (total_params < 3) {
7585                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7586                 return;
7587         }
7588
7589         max_referral_level = SVAL(params,0);
7590
7591         if(!lp_host_msdfs()) {
7592                 reply_doserror(req, ERRDOS, ERRbadfunc);
7593                 return;
7594         }
7595
7596         srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
7597                     total_params - 2, STR_TERMINATE);
7598         if (!pathname) {
7599                 reply_nterror(req, NT_STATUS_NOT_FOUND);
7600                 return;
7601         }
7602         if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
7603                                             ppdata,&status)) < 0) {
7604                 reply_nterror(req, status);
7605                 return;
7606         }
7607
7608         SSVAL(req->inbuf, smb_flg2,
7609               SVAL(req->inbuf,smb_flg2) | FLAGS2_DFS_PATHNAMES);
7610         send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
7611
7612         return;
7613 }
7614
7615 #define LMCAT_SPL       0x53
7616 #define LMFUNC_GETJOBID 0x60
7617
7618 /****************************************************************************
7619  Reply to a TRANS2_IOCTL - used for OS/2 printing.
7620 ****************************************************************************/
7621
7622 static void call_trans2ioctl(connection_struct *conn,
7623                              struct smb_request *req,
7624                              char **pparams, int total_params,
7625                              char **ppdata, int total_data,
7626                              unsigned int max_data_bytes)
7627 {
7628         char *pdata = *ppdata;
7629         files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
7630
7631         /* check for an invalid fid before proceeding */
7632
7633         if (!fsp) {
7634                 reply_doserror(req, ERRDOS, ERRbadfid);
7635                 return;
7636         }
7637
7638         if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
7639             && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7640                 *ppdata = (char *)SMB_REALLOC(*ppdata, 32);
7641                 if (*ppdata == NULL) {
7642                         reply_nterror(req, NT_STATUS_NO_MEMORY);
7643                         return;
7644                 }
7645                 pdata = *ppdata;
7646
7647                 /* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
7648                         CAN ACCEPT THIS IN UNICODE. JRA. */
7649
7650                 SSVAL(pdata,0,fsp->rap_print_jobid);                     /* Job number */
7651                 srvstr_push(pdata, req->flags2, pdata + 2,
7652                             global_myname(), 15,
7653                             STR_ASCII|STR_TERMINATE); /* Our NetBIOS name */
7654                 srvstr_push(pdata, req->flags2, pdata+18,
7655                             lp_servicename(SNUM(conn)), 13,
7656                             STR_ASCII|STR_TERMINATE); /* Service name */
7657                 send_trans2_replies(conn, req, *pparams, 0, *ppdata, 32,
7658                                     max_data_bytes);
7659                 return;
7660         }
7661
7662         DEBUG(2,("Unknown TRANS2_IOCTL\n"));
7663         reply_doserror(req, ERRSRV, ERRerror);
7664 }
7665
7666 /****************************************************************************
7667  Reply to a SMBfindclose (stop trans2 directory search).
7668 ****************************************************************************/
7669
7670 void reply_findclose(struct smb_request *req)
7671 {
7672         int dptr_num;
7673
7674         START_PROFILE(SMBfindclose);
7675
7676         if (req->wct < 1) {
7677                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7678                 END_PROFILE(SMBfindclose);
7679                 return;
7680         }
7681
7682         dptr_num = SVALS(req->vwv+0, 0);
7683
7684         DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7685
7686         dptr_close(&dptr_num);
7687
7688         reply_outbuf(req, 0, 0);
7689
7690         DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7691
7692         END_PROFILE(SMBfindclose);
7693         return;
7694 }
7695
7696 /****************************************************************************
7697  Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7698 ****************************************************************************/
7699
7700 void reply_findnclose(struct smb_request *req)
7701 {
7702         int dptr_num;
7703
7704         START_PROFILE(SMBfindnclose);
7705
7706         if (req->wct < 1) {
7707                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7708                 END_PROFILE(SMBfindnclose);
7709                 return;
7710         }
7711
7712         dptr_num = SVAL(req->vwv+0, 0);
7713
7714         DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7715
7716         /* We never give out valid handles for a 
7717            findnotifyfirst - so any dptr_num is ok here. 
7718            Just ignore it. */
7719
7720         reply_outbuf(req, 0, 0);
7721
7722         DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7723
7724         END_PROFILE(SMBfindnclose);
7725         return;
7726 }
7727
7728 static void handle_trans2(connection_struct *conn, struct smb_request *req,
7729                           struct trans_state *state)
7730 {
7731         if (Protocol >= PROTOCOL_NT1) {
7732                 req->flags2 |= 0x40; /* IS_LONG_NAME */
7733                 SSVAL(req->inbuf,smb_flg2,req->flags2);
7734         }
7735
7736         if (conn->encrypt_level == Required && !req->encrypted) {
7737                 if (state->call != TRANSACT2_QFSINFO &&
7738                                 state->call != TRANSACT2_SETFSINFO) {
7739                         DEBUG(0,("handle_trans2: encryption required "
7740                                 "with call 0x%x\n",
7741                                 (unsigned int)state->call));
7742                         reply_nterror(req, NT_STATUS_ACCESS_DENIED);
7743                         return;
7744                 }
7745         }
7746
7747         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
7748
7749         /* Now we must call the relevant TRANS2 function */
7750         switch(state->call)  {
7751         case TRANSACT2_OPEN:
7752         {
7753                 START_PROFILE(Trans2_open);
7754                 call_trans2open(conn, req,
7755                                 &state->param, state->total_param,
7756                                 &state->data, state->total_data,
7757                                 state->max_data_return);
7758                 END_PROFILE(Trans2_open);
7759                 break;
7760         }
7761
7762         case TRANSACT2_FINDFIRST:
7763         {
7764                 START_PROFILE(Trans2_findfirst);
7765                 call_trans2findfirst(conn, req,
7766                                      &state->param, state->total_param,
7767                                      &state->data, state->total_data,
7768                                      state->max_data_return);
7769                 END_PROFILE(Trans2_findfirst);
7770                 break;
7771         }
7772
7773         case TRANSACT2_FINDNEXT:
7774         {
7775                 START_PROFILE(Trans2_findnext);
7776                 call_trans2findnext(conn, req,
7777                                     &state->param, state->total_param,
7778                                     &state->data, state->total_data,
7779                                     state->max_data_return);
7780                 END_PROFILE(Trans2_findnext);
7781                 break;
7782         }
7783
7784         case TRANSACT2_QFSINFO:
7785         {
7786                 START_PROFILE(Trans2_qfsinfo);
7787                 call_trans2qfsinfo(conn, req,
7788                                    &state->param, state->total_param,
7789                                    &state->data, state->total_data,
7790                                    state->max_data_return);
7791                 END_PROFILE(Trans2_qfsinfo);
7792             break;
7793         }
7794
7795         case TRANSACT2_SETFSINFO:
7796         {
7797                 START_PROFILE(Trans2_setfsinfo);
7798                 call_trans2setfsinfo(conn, req,
7799                                      &state->param, state->total_param,
7800                                      &state->data, state->total_data,
7801                                      state->max_data_return);
7802                 END_PROFILE(Trans2_setfsinfo);
7803                 break;
7804         }
7805
7806         case TRANSACT2_QPATHINFO:
7807         case TRANSACT2_QFILEINFO:
7808         {
7809                 START_PROFILE(Trans2_qpathinfo);
7810                 call_trans2qfilepathinfo(conn, req, state->call,
7811                                          &state->param, state->total_param,
7812                                          &state->data, state->total_data,
7813                                          state->max_data_return);
7814                 END_PROFILE(Trans2_qpathinfo);
7815                 break;
7816         }
7817
7818         case TRANSACT2_SETPATHINFO:
7819         case TRANSACT2_SETFILEINFO:
7820         {
7821                 START_PROFILE(Trans2_setpathinfo);
7822                 call_trans2setfilepathinfo(conn, req, state->call,
7823                                            &state->param, state->total_param,
7824                                            &state->data, state->total_data,
7825                                            state->max_data_return);
7826                 END_PROFILE(Trans2_setpathinfo);
7827                 break;
7828         }
7829
7830         case TRANSACT2_FINDNOTIFYFIRST:
7831         {
7832                 START_PROFILE(Trans2_findnotifyfirst);
7833                 call_trans2findnotifyfirst(conn, req,
7834                                            &state->param, state->total_param,
7835                                            &state->data, state->total_data,
7836                                            state->max_data_return);
7837                 END_PROFILE(Trans2_findnotifyfirst);
7838                 break;
7839         }
7840
7841         case TRANSACT2_FINDNOTIFYNEXT:
7842         {
7843                 START_PROFILE(Trans2_findnotifynext);
7844                 call_trans2findnotifynext(conn, req,
7845                                           &state->param, state->total_param,
7846                                           &state->data, state->total_data,
7847                                           state->max_data_return);
7848                 END_PROFILE(Trans2_findnotifynext);
7849                 break;
7850         }
7851
7852         case TRANSACT2_MKDIR:
7853         {
7854                 START_PROFILE(Trans2_mkdir);
7855                 call_trans2mkdir(conn, req,
7856                                  &state->param, state->total_param,
7857                                  &state->data, state->total_data,
7858                                  state->max_data_return);
7859                 END_PROFILE(Trans2_mkdir);
7860                 break;
7861         }
7862
7863         case TRANSACT2_GET_DFS_REFERRAL:
7864         {
7865                 START_PROFILE(Trans2_get_dfs_referral);
7866                 call_trans2getdfsreferral(conn, req,
7867                                           &state->param, state->total_param,
7868                                           &state->data, state->total_data,
7869                                           state->max_data_return);
7870                 END_PROFILE(Trans2_get_dfs_referral);
7871                 break;
7872         }
7873
7874         case TRANSACT2_IOCTL:
7875         {
7876                 START_PROFILE(Trans2_ioctl);
7877                 call_trans2ioctl(conn, req,
7878                                  &state->param, state->total_param,
7879                                  &state->data, state->total_data,
7880                                  state->max_data_return);
7881                 END_PROFILE(Trans2_ioctl);
7882                 break;
7883         }
7884
7885         default:
7886                 /* Error in request */
7887                 DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
7888                 reply_doserror(req, ERRSRV,ERRerror);
7889         }
7890 }
7891
7892 /****************************************************************************
7893  Reply to a SMBtrans2.
7894  ****************************************************************************/
7895
7896 void reply_trans2(struct smb_request *req)
7897 {
7898         connection_struct *conn = req->conn;
7899         unsigned int dsoff;
7900         unsigned int dscnt;
7901         unsigned int psoff;
7902         unsigned int pscnt;
7903         unsigned int tran_call;
7904         struct trans_state *state;
7905         NTSTATUS result;
7906
7907         START_PROFILE(SMBtrans2);
7908
7909         if (req->wct < 14) {
7910                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7911                 END_PROFILE(SMBtrans2);
7912                 return;
7913         }
7914
7915         dsoff = SVAL(req->vwv+12, 0);
7916         dscnt = SVAL(req->vwv+11, 0);
7917         psoff = SVAL(req->vwv+10, 0);
7918         pscnt = SVAL(req->vwv+9, 0);
7919         tran_call = SVAL(req->vwv+14, 0);
7920
7921         result = allow_new_trans(conn->pending_trans, req->mid);
7922         if (!NT_STATUS_IS_OK(result)) {
7923                 DEBUG(2, ("Got invalid trans2 request: %s\n",
7924                           nt_errstr(result)));
7925                 reply_nterror(req, result);
7926                 END_PROFILE(SMBtrans2);
7927                 return;
7928         }
7929
7930         if (IS_IPC(conn)) {
7931                 switch (tran_call) {
7932                 /* List the allowed trans2 calls on IPC$ */
7933                 case TRANSACT2_OPEN:
7934                 case TRANSACT2_GET_DFS_REFERRAL:
7935                 case TRANSACT2_QFILEINFO:
7936                 case TRANSACT2_QFSINFO:
7937                 case TRANSACT2_SETFSINFO:
7938                         break;
7939                 default:
7940                         reply_doserror(req, ERRSRV, ERRaccess);
7941                         END_PROFILE(SMBtrans2);
7942                         return;
7943                 }
7944         }
7945
7946         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
7947                 DEBUG(0, ("talloc failed\n"));
7948                 reply_nterror(req, NT_STATUS_NO_MEMORY);
7949                 END_PROFILE(SMBtrans2);
7950                 return;
7951         }
7952
7953         state->cmd = SMBtrans2;
7954
7955         state->mid = req->mid;
7956         state->vuid = req->vuid;
7957         state->setup_count = SVAL(req->vwv+13, 0);
7958         state->setup = NULL;
7959         state->total_param = SVAL(req->vwv+0, 0);
7960         state->param = NULL;
7961         state->total_data =  SVAL(req->vwv+1, 0);
7962         state->data = NULL;
7963         state->max_param_return = SVAL(req->vwv+2, 0);
7964         state->max_data_return  = SVAL(req->vwv+3, 0);
7965         state->max_setup_return = SVAL(req->vwv+4, 0);
7966         state->close_on_completion = BITSETW(req->vwv+5, 0);
7967         state->one_way = BITSETW(req->vwv+5, 1);
7968
7969         state->call = tran_call;
7970
7971         /* All trans2 messages we handle have smb_sucnt == 1 - ensure this
7972            is so as a sanity check */
7973         if (state->setup_count != 1) {
7974                 /*
7975                  * Need to have rc=0 for ioctl to get job id for OS/2.
7976                  *  Network printing will fail if function is not successful.
7977                  *  Similar function in reply.c will be used if protocol
7978                  *  is LANMAN1.0 instead of LM1.2X002.
7979                  *  Until DosPrintSetJobInfo with PRJINFO3 is supported,
7980                  *  outbuf doesn't have to be set(only job id is used).
7981                  */
7982                 if ( (state->setup_count == 4)
7983                      && (tran_call == TRANSACT2_IOCTL)
7984                      && (SVAL(req->vwv+16, 0) == LMCAT_SPL)
7985                      && (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
7986                         DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
7987                 } else {
7988                         DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
7989                         DEBUG(2,("Transaction is %d\n",tran_call));
7990                         TALLOC_FREE(state);
7991                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7992                         END_PROFILE(SMBtrans2);
7993                         return;
7994                 }
7995         }
7996
7997         if ((dscnt > state->total_data) || (pscnt > state->total_param))
7998                 goto bad_param;
7999
8000         if (state->total_data) {
8001
8002                 if (trans_oob(state->total_data, 0, dscnt)
8003                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
8004                         goto bad_param;
8005                 }
8006
8007                 /* Can't use talloc here, the core routines do realloc on the
8008                  * params and data. */
8009                 state->data = (char *)SMB_MALLOC(state->total_data);
8010                 if (state->data == NULL) {
8011                         DEBUG(0,("reply_trans2: data malloc fail for %u "
8012                                  "bytes !\n", (unsigned int)state->total_data));
8013                         TALLOC_FREE(state);
8014                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8015                         END_PROFILE(SMBtrans2);
8016                         return;
8017                 }
8018
8019                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
8020         }
8021
8022         if (state->total_param) {
8023
8024                 if (trans_oob(state->total_param, 0, pscnt)
8025                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
8026                         goto bad_param;
8027                 }
8028
8029                 /* Can't use talloc here, the core routines do realloc on the
8030                  * params and data. */
8031                 state->param = (char *)SMB_MALLOC(state->total_param);
8032                 if (state->param == NULL) {
8033                         DEBUG(0,("reply_trans: param malloc fail for %u "
8034                                  "bytes !\n", (unsigned int)state->total_param));
8035                         SAFE_FREE(state->data);
8036                         TALLOC_FREE(state);
8037                         reply_nterror(req, NT_STATUS_NO_MEMORY);
8038                         END_PROFILE(SMBtrans2);
8039                         return;
8040                 } 
8041
8042                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8043         }
8044
8045         state->received_data  = dscnt;
8046         state->received_param = pscnt;
8047
8048         if ((state->received_param == state->total_param) &&
8049             (state->received_data == state->total_data)) {
8050
8051                 handle_trans2(conn, req, state);
8052
8053                 SAFE_FREE(state->data);
8054                 SAFE_FREE(state->param);
8055                 TALLOC_FREE(state);
8056                 END_PROFILE(SMBtrans2);
8057                 return;
8058         }
8059
8060         DLIST_ADD(conn->pending_trans, state);
8061
8062         /* We need to send an interim response then receive the rest
8063            of the parameter/data bytes */
8064         reply_outbuf(req, 0, 0);
8065         show_msg((char *)req->outbuf);
8066         END_PROFILE(SMBtrans2);
8067         return;
8068
8069   bad_param:
8070
8071         DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8072         SAFE_FREE(state->data);
8073         SAFE_FREE(state->param);
8074         TALLOC_FREE(state);
8075         END_PROFILE(SMBtrans2);
8076         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8077 }
8078
8079
8080 /****************************************************************************
8081  Reply to a SMBtranss2
8082  ****************************************************************************/
8083
8084 void reply_transs2(struct smb_request *req)
8085 {
8086         connection_struct *conn = req->conn;
8087         unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8088         struct trans_state *state;
8089
8090         START_PROFILE(SMBtranss2);
8091
8092         show_msg((char *)req->inbuf);
8093
8094         if (req->wct < 8) {
8095                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8096                 END_PROFILE(SMBtranss2);
8097                 return;
8098         }
8099
8100         for (state = conn->pending_trans; state != NULL;
8101              state = state->next) {
8102                 if (state->mid == req->mid) {
8103                         break;
8104                 }
8105         }
8106
8107         if ((state == NULL) || (state->cmd != SMBtrans2)) {
8108                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8109                 END_PROFILE(SMBtranss2);
8110                 return;
8111         }
8112
8113         /* Revise state->total_param and state->total_data in case they have
8114            changed downwards */
8115
8116         if (SVAL(req->vwv+0, 0) < state->total_param)
8117                 state->total_param = SVAL(req->vwv+0, 0);
8118         if (SVAL(req->vwv+1, 0) < state->total_data)
8119                 state->total_data = SVAL(req->vwv+1, 0);
8120
8121         pcnt = SVAL(req->vwv+2, 0);
8122         poff = SVAL(req->vwv+3, 0);
8123         pdisp = SVAL(req->vwv+4, 0);
8124
8125         dcnt = SVAL(req->vwv+5, 0);
8126         doff = SVAL(req->vwv+6, 0);
8127         ddisp = SVAL(req->vwv+7, 0);
8128
8129         state->received_param += pcnt;
8130         state->received_data += dcnt;
8131
8132         if ((state->received_data > state->total_data) ||
8133             (state->received_param > state->total_param))
8134                 goto bad_param;
8135
8136         if (pcnt) {
8137                 if (trans_oob(state->total_param, pdisp, pcnt)
8138                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8139                         goto bad_param;
8140                 }
8141                 memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8142         }
8143
8144         if (dcnt) {
8145                 if (trans_oob(state->total_data, ddisp, dcnt)
8146                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8147                         goto bad_param;
8148                 }
8149                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8150         }
8151
8152         if ((state->received_param < state->total_param) ||
8153             (state->received_data < state->total_data)) {
8154                 END_PROFILE(SMBtranss2);
8155                 return;
8156         }
8157
8158         handle_trans2(conn, req, state);
8159
8160         DLIST_REMOVE(conn->pending_trans, state);
8161         SAFE_FREE(state->data);
8162         SAFE_FREE(state->param);
8163         TALLOC_FREE(state);
8164
8165         END_PROFILE(SMBtranss2);
8166         return;
8167
8168   bad_param:
8169
8170         DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8171         DLIST_REMOVE(conn->pending_trans, state);
8172         SAFE_FREE(state->data);
8173         SAFE_FREE(state->param);
8174         TALLOC_FREE(state);
8175         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8176         END_PROFILE(SMBtranss2);
8177         return;
8178 }