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source: trunk/server/source3/smbd/trans2.c@ 832

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Last change on this file since 832 was 792, checked in by Silvan Scherrer, 12 years ago
Samba Server 3.6: fix for ticket #165
File size: 243.1 KB

Line
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 "system/filesys.h"
28	#include "version.h"
29	#include "smbd/smbd.h"
30	#include "smbd/globals.h"
31	#include "../libcli/auth/libcli_auth.h"
32	#include "../librpc/gen_ndr/xattr.h"
33	#include "../librpc/gen_ndr/ndr_security.h"
34	#include "libcli/security/security.h"
35	#include "trans2.h"
36	#include "auth.h"
37	#include "smbprofile.h"
38	#include "rpc_server/srv_pipe_hnd.h"
39	#include "libsmb/libsmb.h"
40
41	#define DIR_ENTRY_SAFETY_MARGIN 4096
42
43	static char store_file_unix_basic(connection_struct conn,
44	char *pdata,
45	files_struct *fsp,
46	const SMB_STRUCT_STAT *psbuf);
47
48	static char store_file_unix_basic_info2(connection_struct conn,
49	char *pdata,
50	files_struct *fsp,
51	const SMB_STRUCT_STAT *psbuf);
52
53	/********************************************************************
54	Roundup a value to the nearest allocation roundup size boundary.
55	Only do this for Windows clients.
56	********************************************************************/
57
58	uint64_t smb_roundup(connection_struct *conn, uint64_t val)
59	{
60	uint64_t rval = lp_allocation_roundup_size(SNUM(conn));
61
62	/* Only roundup for Windows clients. */
63	enum remote_arch_types ra_type = get_remote_arch();
64	if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
65	val = SMB_ROUNDUP(val,rval);
66	}
67	return val;
68	}
69
70	/********************************************************************
71	Create a 64 bit FileIndex. If the file is on the same device as
72	the root of the share, just return the 64-bit inode. If it isn't,
73	mangle as we used to do.
74	********************************************************************/
75
76	uint64_t get_FileIndex(connection_struct conn, const SMB_STRUCT_STAT psbuf)
77	{
78	uint64_t file_index;
79	if (conn->base_share_dev == psbuf->st_ex_dev) {
80	return (uint64_t)psbuf->st_ex_ino;
81	}
82	file_index = ((psbuf->st_ex_ino) & UINT32_MAX); /* FileIndexLow */
83	file_index \|= ((uint64_t)((psbuf->st_ex_dev) & UINT32_MAX)) << 32; /* FileIndexHigh */
84	return file_index;
85	}
86
87	/****************************************************************************
88	Utility functions for dealing with extended attributes.
89	****************************************************************************/
90
91	/****************************************************************************
92	Refuse to allow clients to overwrite our private xattrs.
93	****************************************************************************/
94
95	static bool samba_private_attr_name(const char *unix_ea_name)
96	{
97	static const char * const prohibited_ea_names[] = {
98	SAMBA_POSIX_INHERITANCE_EA_NAME,
99	SAMBA_XATTR_DOS_ATTRIB,
100	SAMBA_XATTR_MARKER,
101	XATTR_NTACL_NAME,
102	NULL
103	};
104
105	int i;
106
107	for (i = 0; prohibited_ea_names[i]; i++) {
108	if (strequal( prohibited_ea_names[i], unix_ea_name))
109	return true;
110	}
111	if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
112	strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
113	return true;
114	}
115	return false;
116	}
117
118	/****************************************************************************
119	Get one EA value. Fill in a struct ea_struct.
120	****************************************************************************/
121
122	NTSTATUS get_ea_value(TALLOC_CTX mem_ctx, connection_struct conn,
123	files_struct fsp, const char fname,
124	const char ea_name, struct ea_struct pea)
125	{
126	/* Get the value of this xattr. Max size is 64k. */
127	size_t attr_size = 256;
128	char *val = NULL;
129	ssize_t sizeret;
130
131	again:
132
133	val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
134	if (!val) {
135	return NT_STATUS_NO_MEMORY;
136	}
137
138	if (fsp && fsp->fh->fd != -1) {
139	sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
140	} else {
141	sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
142	}
143
144	if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
145	attr_size = 65536;
146	goto again;
147	}
148
149	if (sizeret == -1) {
150	return map_nt_error_from_unix(errno);
151	}
152
153	DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
154	dump_data(10, (uint8 *)val, sizeret);
155
156	pea->flags = 0;
157	#ifndef __OS2__
158	if (strnequal(ea_name, "user.", 5)) {
159	pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
160	} else {
161	#else
162	{
163	#endif
164	pea->name = talloc_strdup(mem_ctx, ea_name);
165	}
166	if (pea->name == NULL) {
167	TALLOC_FREE(val);
168	return NT_STATUS_NO_MEMORY;
169	}
170	pea->value.data = (unsigned char *)val;
171	pea->value.length = (size_t)sizeret;
172	return NT_STATUS_OK;
173	}
174
175	NTSTATUS get_ea_names_from_file(TALLOC_CTX mem_ctx, connection_struct conn,
176	files_struct fsp, const char fname,
177	char **pnames, size_t pnum_names)
178	{
179	/* Get a list of all xattrs. Max namesize is 64k. */
180	size_t ea_namelist_size = 1024;
181	char *ea_namelist = NULL;
182
183	char *p;
184	char names, tmp;
185	size_t num_names;
186	ssize_t sizeret = -1;
187
188	if (!lp_ea_support(SNUM(conn))) {
189	if (pnames) {
190	*pnames = NULL;
191	}
192	*pnum_names = 0;
193	return NT_STATUS_OK;
194	}
195
196	/*
197	* TALLOC the result early to get the talloc hierarchy right.
198	*/
199
200	names = TALLOC_ARRAY(mem_ctx, char *, 1);
201	if (names == NULL) {
202	DEBUG(0, ("talloc failed\n"));
203	return NT_STATUS_NO_MEMORY;
204	}
205
206	while (ea_namelist_size <= 65536) {
207
208	ea_namelist = TALLOC_REALLOC_ARRAY(
209	names, ea_namelist, char, ea_namelist_size);
210	if (ea_namelist == NULL) {
211	DEBUG(0, ("talloc failed\n"));
212	TALLOC_FREE(names);
213	return NT_STATUS_NO_MEMORY;
214	}
215
216	if (fsp && fsp->fh->fd != -1) {
217	sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
218	ea_namelist_size);
219	} else {
220	sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
221	ea_namelist_size);
222	}
223
224	if ((sizeret == -1) && (errno == ERANGE)) {
225	ea_namelist_size *= 2;
226	}
227	else {
228	break;
229	}
230	}
231
232	if (sizeret == -1) {
233	TALLOC_FREE(names);
234	return map_nt_error_from_unix(errno);
235	}
236
237	DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
238	(unsigned int)sizeret));
239
240	if (sizeret == 0) {
241	TALLOC_FREE(names);
242	if (pnames) {
243	*pnames = NULL;
244	}
245	*pnum_names = 0;
246	return NT_STATUS_OK;
247	}
248
249	/*
250	* Ensure the result is 0-terminated
251	*/
252
253	if (ea_namelist[sizeret-1] != '\0') {
254	TALLOC_FREE(names);
255	return NT_STATUS_INTERNAL_ERROR;
256	}
257
258	/*
259	* count the names
260	*/
261	num_names = 0;
262
263	for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
264	num_names += 1;
265	}
266
267	tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
268	if (tmp == NULL) {
269	DEBUG(0, ("talloc failed\n"));
270	TALLOC_FREE(names);
271	return NT_STATUS_NO_MEMORY;
272	}
273
274	names = tmp;
275	num_names = 0;
276
277	for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
278	names[num_names++] = p;
279	}
280
281	if (pnames) {
282	*pnames = names;
283	} else {
284	TALLOC_FREE(names);
285	}
286	*pnum_names = num_names;
287	return NT_STATUS_OK;
288	}
289
290	/****************************************************************************
291	Return a linked list of the total EA's. Plus the total size
292	****************************************************************************/
293
294	static struct ea_list get_ea_list_from_file(TALLOC_CTX mem_ctx, connection_struct conn, files_struct fsp,
295	const char fname, size_t pea_total_len)
296	{
297	/* Get a list of all xattrs. Max namesize is 64k. */
298	size_t i, num_names;
299	char **names;
300	struct ea_list *ea_list_head = NULL;
301	NTSTATUS status;
302
303	*pea_total_len = 0;
304
305	if (!lp_ea_support(SNUM(conn))) {
306	return NULL;
307	}
308
309	status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
310	&names, &num_names);
311
312	if (!NT_STATUS_IS_OK(status) \|\| (num_names == 0)) {
313	return NULL;
314	}
315
316	for (i=0; i<num_names; i++) {
317	struct ea_list *listp;
318	fstring dos_ea_name;
319
320	#ifndef __OS2__
321	if (strnequal(names[i], "system.", 7)
322	\|\| samba_private_attr_name(names[i]))
323	#else
324	if (samba_private_attr_name(names[i]))
325	#endif
326	continue;
327
328	listp = TALLOC_P(mem_ctx, struct ea_list);
329	if (listp == NULL) {
330	return NULL;
331	}
332
333	if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
334	fname, names[i],
335	&listp->ea))) {
336	return NULL;
337	}
338
339	push_ascii_fstring(dos_ea_name, listp->ea.name);
340
341	*pea_total_len +=
342	4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
343
344	DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
345	"= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
346	(unsigned int)listp->ea.value.length));
347
348	DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
349
350	}
351
352	/* Add on 4 for total length. */
353	if (*pea_total_len) {
354	*pea_total_len += 4;
355	}
356
357	DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
358	(unsigned int)*pea_total_len));
359
360	return ea_list_head;
361	}
362
363	/****************************************************************************
364	Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
365	that was filled.
366	****************************************************************************/
367
368	static unsigned int fill_ea_buffer(TALLOC_CTX mem_ctx, char pdata, unsigned int total_data_size,
369	connection_struct conn, struct ea_list ea_list)
370	{
371	unsigned int ret_data_size = 4;
372	char *p = pdata;
373
374	SMB_ASSERT(total_data_size >= 4);
375
376	if (!lp_ea_support(SNUM(conn))) {
377	SIVAL(pdata,4,0);
378	return 4;
379	}
380
381	for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
382	size_t dos_namelen;
383	fstring dos_ea_name;
384	push_ascii_fstring(dos_ea_name, ea_list->ea.name);
385	dos_namelen = strlen(dos_ea_name);
386	if (dos_namelen > 255 \|\| dos_namelen == 0) {
387	break;
388	}
389	if (ea_list->ea.value.length > 65535) {
390	break;
391	}
392	if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
393	break;
394	}
395
396	/* We know we have room. */
397	SCVAL(p,0,ea_list->ea.flags);
398	SCVAL(p,1,dos_namelen);
399	SSVAL(p,2,ea_list->ea.value.length);
400	fstrcpy(p+4, dos_ea_name);
401	memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
402
403	total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
404	p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
405	}
406
407	ret_data_size = PTR_DIFF(p, pdata);
408	DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
409	SIVAL(pdata,0,ret_data_size);
410	return ret_data_size;
411	}
412
413	static NTSTATUS fill_ea_chained_buffer(TALLOC_CTX *mem_ctx,
414	char *pdata,
415	unsigned int total_data_size,
416	unsigned int *ret_data_size,
417	connection_struct *conn,
418	struct ea_list *ea_list)
419	{
420	uint8_t p = (uint8_t )pdata;
421	uint8_t *last_start = NULL;
422
423	*ret_data_size = 0;
424
425	if (!lp_ea_support(SNUM(conn))) {
426	return NT_STATUS_NO_EAS_ON_FILE;
427	}
428
429	for (; ea_list; ea_list = ea_list->next) {
430	size_t dos_namelen;
431	fstring dos_ea_name;
432	size_t this_size;
433
434	if (last_start) {
435	SIVAL(last_start, 0, PTR_DIFF(p, last_start));
436	}
437	last_start = p;
438
439	push_ascii_fstring(dos_ea_name, ea_list->ea.name);
440	dos_namelen = strlen(dos_ea_name);
441	if (dos_namelen > 255 \|\| dos_namelen == 0) {
442	return NT_STATUS_INTERNAL_ERROR;
443	}
444	if (ea_list->ea.value.length > 65535) {
445	return NT_STATUS_INTERNAL_ERROR;
446	}
447
448	this_size = 0x08 + dos_namelen + 1 + ea_list->ea.value.length;
449
450	if (ea_list->next) {
451	size_t pad = 4 - (this_size % 4);
452	this_size += pad;
453	}
454
455	if (this_size > total_data_size) {
456	return NT_STATUS_INFO_LENGTH_MISMATCH;
457	}
458
459	/* We know we have room. */
460	SIVAL(p, 0x00, 0); /* next offset */
461	SCVAL(p, 0x04, ea_list->ea.flags);
462	SCVAL(p, 0x05, dos_namelen);
463	SSVAL(p, 0x06, ea_list->ea.value.length);
464	fstrcpy((char *)(p+0x08), dos_ea_name);
465	memcpy(p + 0x08 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
466
467	total_data_size -= this_size;
468	p += this_size;
469	}
470
471	*ret_data_size = PTR_DIFF(p, pdata);
472	DEBUG(10,("fill_ea_chained_buffer: data_size = %u\n", *ret_data_size));
473	return NT_STATUS_OK;
474	}
475
476	static unsigned int estimate_ea_size(connection_struct conn, files_struct fsp, const char *fname)
477	{
478	size_t total_ea_len = 0;
479	TALLOC_CTX *mem_ctx = NULL;
480
481	if (!lp_ea_support(SNUM(conn))) {
482	return 0;
483	}
484	mem_ctx = talloc_tos();
485	(void)get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
486	return total_ea_len;
487	}
488
489	/****************************************************************************
490	Ensure the EA name is case insensitive by matching any existing EA name.
491	****************************************************************************/
492
493	static void canonicalize_ea_name(connection_struct conn, files_struct fsp, const char *fname, fstring unix_ea_name)
494	{
495	size_t total_ea_len;
496	TALLOC_CTX *mem_ctx = talloc_tos();
497	struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
498
499	for (; ea_list; ea_list = ea_list->next) {
500	if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
501	DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
502	&unix_ea_name[5], ea_list->ea.name));
503	safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
504	break;
505	}
506	}
507	}
508
509	/****************************************************************************
510	Set or delete an extended attribute.
511	****************************************************************************/
512
513	NTSTATUS set_ea(connection_struct conn, files_struct fsp,
514	const struct smb_filename smb_fname, struct ea_list ea_list)
515	{
516	char *fname = NULL;
517
518	if (!lp_ea_support(SNUM(conn))) {
519	return NT_STATUS_EAS_NOT_SUPPORTED;
520	}
521
522	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
523	return NT_STATUS_ACCESS_DENIED;
524	}
525
526	/* For now setting EAs on streams isn't supported. */
527	fname = smb_fname->base_name;
528
529	for (;ea_list; ea_list = ea_list->next) {
530	int ret;
531	fstring unix_ea_name;
532
533	#ifdef __OS2__
534	/* All EA's must start with user - except on OS/2 */
535	fstrcpy(unix_ea_name, ea_list->ea.name);
536	#else
537	fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
538	fstrcat(unix_ea_name, ea_list->ea.name);
539	#endif
540
541	canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
542
543	DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
544
545	if (samba_private_attr_name(unix_ea_name)) {
546	DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
547	return NT_STATUS_ACCESS_DENIED;
548	}
549
550	if (ea_list->ea.value.length == 0) {
551	/* Remove the attribute. */
552	if (fsp && (fsp->fh->fd != -1)) {
553	DEBUG(10,("set_ea: deleting ea name %s on "
554	"file %s by file descriptor.\n",
555	unix_ea_name, fsp_str_dbg(fsp)));
556	ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
557	} else {
558	DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
559	unix_ea_name, fname));
560	ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
561	}
562	#ifdef ENOATTR
563	/* Removing a non existent attribute always succeeds. */
564	if (ret == -1 && errno == ENOATTR) {
565	DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
566	unix_ea_name));
567	ret = 0;
568	}
569	#endif
570	} else {
571	if (fsp && (fsp->fh->fd != -1)) {
572	DEBUG(10,("set_ea: setting ea name %s on file "
573	"%s by file descriptor.\n",
574	unix_ea_name, fsp_str_dbg(fsp)));
575	ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
576	ea_list->ea.value.data, ea_list->ea.value.length, 0);
577	} else {
578	DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
579	unix_ea_name, fname));
580	ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
581	ea_list->ea.value.data, ea_list->ea.value.length, 0);
582	}
583	}
584
585	if (ret == -1) {
586	#ifdef ENOTSUP
587	if (errno == ENOTSUP) {
588	return NT_STATUS_EAS_NOT_SUPPORTED;
589	}
590	#endif
591	return map_nt_error_from_unix(errno);
592	}
593
594	}
595	return NT_STATUS_OK;
596	}
597	/****************************************************************************
598	Read a list of EA names from an incoming data buffer. Create an ea_list with them.
599	****************************************************************************/
600
601	static struct ea_list read_ea_name_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
602	{
603	struct ea_list *ea_list_head = NULL;
604	size_t converted_size, offset = 0;
605
606	while (offset + 2 < data_size) {
607	struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
608	unsigned int namelen = CVAL(pdata,offset);
609
610	offset++; /* Go past the namelen byte. */
611
612	/* integer wrap paranioa. */
613	if ((offset + namelen < offset) \|\| (offset + namelen < namelen) \|\|
614	(offset > data_size) \|\| (namelen > data_size) \|\|
615	(offset + namelen >= data_size)) {
616	break;
617	}
618	/* Ensure the name is null terminated. */
619	if (pdata[offset + namelen] != '\0') {
620	return NULL;
621	}
622	if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
623	&converted_size)) {
624	DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
625	"failed: %s", strerror(errno)));
626	}
627	if (!eal->ea.name) {
628	return NULL;
629	}
630
631	offset += (namelen + 1); /* Go past the name + terminating zero. */
632	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
633	DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
634	}
635
636	return ea_list_head;
637	}
638
639	/****************************************************************************
640	Read one EA list entry from the buffer.
641	****************************************************************************/
642
643	struct ea_list read_ea_list_entry(TALLOC_CTX ctx, const char pdata, size_t data_size, size_t pbytes_used)
644	{
645	struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
646	uint16 val_len;
647	unsigned int namelen;
648	size_t converted_size;
649
650	if (!eal) {
651	return NULL;
652	}
653
654	if (data_size < 6) {
655	return NULL;
656	}
657
658	eal->ea.flags = CVAL(pdata,0);
659	namelen = CVAL(pdata,1);
660	val_len = SVAL(pdata,2);
661
662	if (4 + namelen + 1 + val_len > data_size) {
663	return NULL;
664	}
665
666	/* Ensure the name is null terminated. */
667	if (pdata[namelen + 4] != '\0') {
668	return NULL;
669	}
670	if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
671	DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
672	strerror(errno)));
673	}
674	if (!eal->ea.name) {
675	return NULL;
676	}
677
678	eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
679	if (!eal->ea.value.data) {
680	return NULL;
681	}
682
683	memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
684
685	/* Ensure we're null terminated just in case we print the value. */
686	eal->ea.value.data[val_len] = '\0';
687	/* But don't count the null. */
688	eal->ea.value.length--;
689
690	if (pbytes_used) {
691	*pbytes_used = 4 + namelen + 1 + val_len;
692	}
693
694	DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
695	dump_data(10, eal->ea.value.data, eal->ea.value.length);
696
697	return eal;
698	}
699
700	/****************************************************************************
701	Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
702	****************************************************************************/
703
704	static struct ea_list read_ea_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
705	{
706	struct ea_list *ea_list_head = NULL;
707	size_t offset = 0;
708	size_t bytes_used = 0;
709
710	while (offset < data_size) {
711	struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
712
713	if (!eal) {
714	return NULL;
715	}
716
717	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
718	offset += bytes_used;
719	}
720
721	return ea_list_head;
722	}
723
724	/****************************************************************************
725	Count the total EA size needed.
726	****************************************************************************/
727
728	static size_t ea_list_size(struct ea_list *ealist)
729	{
730	fstring dos_ea_name;
731	struct ea_list *listp;
732	size_t ret = 0;
733
734	for (listp = ealist; listp; listp = listp->next) {
735	push_ascii_fstring(dos_ea_name, listp->ea.name);
736	ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
737	}
738	/* Add on 4 for total length. */
739	if (ret) {
740	ret += 4;
741	}
742
743	return ret;
744	}
745
746	/****************************************************************************
747	Return a union of EA's from a file list and a list of names.
748	The TALLOC context for the two lists MUST be identical as we steal
749	memory from one list to add to another. JRA.
750	****************************************************************************/
751
752	static struct ea_list ea_list_union(struct ea_list name_list, struct ea_list file_list, size_t total_ea_len)
753	{
754	struct ea_list nlistp, flistp;
755
756	for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
757	for (flistp = file_list; flistp; flistp = flistp->next) {
758	if (strequal(nlistp->ea.name, flistp->ea.name)) {
759	break;
760	}
761	}
762
763	if (flistp) {
764	/* Copy the data from this entry. */
765	nlistp->ea.flags = flistp->ea.flags;
766	nlistp->ea.value = flistp->ea.value;
767	} else {
768	/* Null entry. */
769	nlistp->ea.flags = 0;
770	ZERO_STRUCT(nlistp->ea.value);
771	}
772	}
773
774	*total_ea_len = ea_list_size(name_list);
775	return name_list;
776	}
777
778	/****************************************************************************
779	Send the required number of replies back.
780	We assume all fields other than the data fields are
781	set correctly for the type of call.
782	HACK ! Always assumes smb_setup field is zero.
783	****************************************************************************/
784
785	void send_trans2_replies(connection_struct *conn,
786	struct smb_request *req,
787	const char *params,
788	int paramsize,
789	const char *pdata,
790	int datasize,
791	int max_data_bytes)
792	{
793	/* As we are using a protocol > LANMAN1 then the max_send
794	variable must have been set in the sessetupX call.
795	This takes precedence over the max_xmit field in the
796	global struct. These different max_xmit variables should
797	be merged as this is now too confusing */
798
799	int data_to_send = datasize;
800	int params_to_send = paramsize;
801	int useable_space;
802	const char *pp = params;
803	const char *pd = pdata;
804	int params_sent_thistime, data_sent_thistime, total_sent_thistime;
805	int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
806	int data_alignment_offset = 0;
807	bool overflow = False;
808	struct smbd_server_connection *sconn = req->sconn;
809	int max_send = sconn->smb1.sessions.max_send;
810
811	/* Modify the data_to_send and datasize and set the error if
812	we're trying to send more than max_data_bytes. We still send
813	the part of the packet(s) that fit. Strange, but needed
814	for OS/2. */
815
816	if (max_data_bytes > 0 && datasize > max_data_bytes) {
817	DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
818	max_data_bytes, datasize ));
819	datasize = data_to_send = max_data_bytes;
820	overflow = True;
821	}
822
823	/* If there genuinely are no parameters or data to send just send the empty packet */
824
825	if(params_to_send == 0 && data_to_send == 0) {
826	reply_outbuf(req, 10, 0);
827	show_msg((char *)req->outbuf);
828	if (!srv_send_smb(sconn,
829	(char *)req->outbuf,
830	true, req->seqnum+1,
831	IS_CONN_ENCRYPTED(conn),
832	&req->pcd)) {
833	exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
834	}
835	TALLOC_FREE(req->outbuf);
836	return;
837	}
838
839	/* When sending params and data ensure that both are nicely aligned */
840	/* Only do this alignment when there is also data to send - else
841	can cause NT redirector problems. */
842
843	if (((params_to_send % 4) != 0) && (data_to_send != 0))
844	data_alignment_offset = 4 - (params_to_send % 4);
845
846	/* Space is bufsize minus Netbios over TCP header minus SMB header */
847	/* The alignment_offset is to align the param bytes on an even byte
848	boundary. NT 4.0 Beta needs this to work correctly. */
849
850	useable_space = max_send - (smb_size
851	+ 2 * 10 /* wct */
852	+ alignment_offset
853	+ data_alignment_offset);
854
855	if (useable_space < 0) {
856	DEBUG(0, ("send_trans2_replies failed sanity useable_space "
857	"= %d!!!", useable_space));
858	exit_server_cleanly("send_trans2_replies: Not enough space");
859	}
860
861	while (params_to_send \|\| data_to_send) {
862	/* Calculate whether we will totally or partially fill this packet */
863
864	total_sent_thistime = params_to_send + data_to_send;
865
866	/* We can never send more than useable_space */
867	/*
868	* Note that 'useable_space' does not include the alignment offsets,
869	* but we must include the alignment offsets in the calculation of
870	* the length of the data we send over the wire, as the alignment offsets
871	* are sent here. Fix from Marc_Jacobsen@hp.com.
872	*/
873
874	total_sent_thistime = MIN(total_sent_thistime, useable_space);
875
876	reply_outbuf(req, 10, total_sent_thistime + alignment_offset
877	+ data_alignment_offset);
878
879	/* Set total params and data to be sent */
880	SSVAL(req->outbuf,smb_tprcnt,paramsize);
881	SSVAL(req->outbuf,smb_tdrcnt,datasize);
882
883	/* Calculate how many parameters and data we can fit into
884	* this packet. Parameters get precedence
885	*/
886
887	params_sent_thistime = MIN(params_to_send,useable_space);
888	data_sent_thistime = useable_space - params_sent_thistime;
889	data_sent_thistime = MIN(data_sent_thistime,data_to_send);
890
891	SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
892
893	/* smb_proff is the offset from the start of the SMB header to the
894	parameter bytes, however the first 4 bytes of outbuf are
895	the Netbios over TCP header. Thus use smb_base() to subtract
896	them from the calculation */
897
898	SSVAL(req->outbuf,smb_proff,
899	((smb_buf(req->outbuf)+alignment_offset)
900	- smb_base(req->outbuf)));
901
902	if(params_sent_thistime == 0)
903	SSVAL(req->outbuf,smb_prdisp,0);
904	else
905	/* Absolute displacement of param bytes sent in this packet */
906	SSVAL(req->outbuf,smb_prdisp,pp - params);
907
908	SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
909	if(data_sent_thistime == 0) {
910	SSVAL(req->outbuf,smb_droff,0);
911	SSVAL(req->outbuf,smb_drdisp, 0);
912	} else {
913	/* The offset of the data bytes is the offset of the
914	parameter bytes plus the number of parameters being sent this time */
915	SSVAL(req->outbuf, smb_droff,
916	((smb_buf(req->outbuf)+alignment_offset)
917	- smb_base(req->outbuf))
918	+ params_sent_thistime + data_alignment_offset);
919	SSVAL(req->outbuf,smb_drdisp, pd - pdata);
920	}
921
922	/* Initialize the padding for alignment */
923
924	if (alignment_offset != 0) {
925	memset(smb_buf(req->outbuf), 0, alignment_offset);
926	}
927
928	/* Copy the param bytes into the packet */
929
930	if(params_sent_thistime) {
931	memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
932	params_sent_thistime);
933	}
934
935	/* Copy in the data bytes */
936	if(data_sent_thistime) {
937	if (data_alignment_offset != 0) {
938	memset((smb_buf(req->outbuf)+alignment_offset+
939	params_sent_thistime), 0,
940	data_alignment_offset);
941	}
942	memcpy(smb_buf(req->outbuf)+alignment_offset
943	+params_sent_thistime+data_alignment_offset,
944	pd,data_sent_thistime);
945	}
946
947	DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
948	params_sent_thistime, data_sent_thistime, useable_space));
949	DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
950	params_to_send, data_to_send, paramsize, datasize));
951
952	if (overflow) {
953	error_packet_set((char *)req->outbuf,
954	ERRDOS,ERRbufferoverflow,
955	STATUS_BUFFER_OVERFLOW,
956	__LINE__,__FILE__);
957	}
958
959	/* Send the packet */
960	show_msg((char *)req->outbuf);
961	if (!srv_send_smb(sconn,
962	(char *)req->outbuf,
963	true, req->seqnum+1,
964	IS_CONN_ENCRYPTED(conn),
965	&req->pcd))
966	exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
967
968	TALLOC_FREE(req->outbuf);
969
970	pp += params_sent_thistime;
971	pd += data_sent_thistime;
972
973	params_to_send -= params_sent_thistime;
974	data_to_send -= data_sent_thistime;
975
976	/* Sanity check */
977	if(params_to_send < 0 \|\| data_to_send < 0) {
978	DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
979	params_to_send, data_to_send));
980	return;
981	}
982	}
983
984	return;
985	}
986
987	/****************************************************************************
988	Reply to a TRANSACT2_OPEN.
989	****************************************************************************/
990
991	static void call_trans2open(connection_struct *conn,
992	struct smb_request *req,
993	char **pparams, int total_params,
994	char **ppdata, int total_data,
995	unsigned int max_data_bytes)
996	{
997	struct smb_filename *smb_fname = NULL;
998	char params = pparams;
999	char pdata = ppdata;
1000	int deny_mode;
1001	int32 open_attr;
1002	bool oplock_request;
1003	#if 0
1004	bool return_additional_info;
1005	int16 open_sattr;
1006	time_t open_time;
1007	#endif
1008	int open_ofun;
1009	uint32 open_size;
1010	char *pname;
1011	char *fname = NULL;
1012	SMB_OFF_T size=0;
1013	int fattr=0,mtime=0;
1014	SMB_INO_T inode = 0;
1015	int smb_action = 0;
1016	files_struct *fsp;
1017	struct ea_list *ea_list = NULL;
1018	uint16 flags = 0;
1019	NTSTATUS status;
1020	uint32 access_mask;
1021	uint32 share_mode;
1022	uint32 create_disposition;
1023	uint32 create_options = 0;
1024	uint32_t private_flags = 0;
1025	TALLOC_CTX *ctx = talloc_tos();
1026
1027	/*
1028	* Ensure we have enough parameters to perform the operation.
1029	*/
1030
1031	if (total_params < 29) {
1032	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1033	goto out;
1034	}
1035
1036	flags = SVAL(params, 0);
1037	deny_mode = SVAL(params, 2);
1038	open_attr = SVAL(params,6);
1039	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1040	if (oplock_request) {
1041	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1042	}
1043
1044	#if 0
1045	return_additional_info = BITSETW(params,0);
1046	open_sattr = SVAL(params, 4);
1047	open_time = make_unix_date3(params+8);
1048	#endif
1049	open_ofun = SVAL(params,12);
1050	open_size = IVAL(params,14);
1051	pname = &params[28];
1052
1053	if (IS_IPC(conn)) {
1054	reply_nterror(req, NT_STATUS_NETWORK_ACCESS_DENIED);
1055	goto out;
1056	}
1057
1058	srvstr_get_path(ctx, params, req->flags2, &fname, pname,
1059	total_params - 28, STR_TERMINATE,
1060	&status);
1061	if (!NT_STATUS_IS_OK(status)) {
1062	reply_nterror(req, status);
1063	goto out;
1064	}
1065
1066	DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
1067	fname, (unsigned int)deny_mode, (unsigned int)open_attr,
1068	(unsigned int)open_ofun, open_size));
1069
1070	status = filename_convert(ctx,
1071	conn,
1072	req->flags2 & FLAGS2_DFS_PATHNAMES,
1073	fname,
1074	0,
1075	NULL,
1076	&smb_fname);
1077	if (!NT_STATUS_IS_OK(status)) {
1078	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1079	reply_botherror(req,
1080	NT_STATUS_PATH_NOT_COVERED,
1081	ERRSRV, ERRbadpath);
1082	goto out;
1083	}
1084	reply_nterror(req, status);
1085	goto out;
1086	}
1087
1088	if (open_ofun == 0) {
1089	reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
1090	goto out;
1091	}
1092
1093	if (!map_open_params_to_ntcreate(smb_fname->base_name, deny_mode,
1094	open_ofun,
1095	&access_mask, &share_mode,
1096	&create_disposition,
1097	&create_options,
1098	&private_flags)) {
1099	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1100	goto out;
1101	}
1102
1103	/* Any data in this call is an EA list. */
1104	if (total_data && (total_data != 4)) {
1105	if (total_data < 10) {
1106	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1107	goto out;
1108	}
1109
1110	if (IVAL(pdata,0) > total_data) {
1111	DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
1112	IVAL(pdata,0), (unsigned int)total_data));
1113	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1114	goto out;
1115	}
1116
1117	ea_list = read_ea_list(talloc_tos(), pdata + 4,
1118	total_data - 4);
1119	if (!ea_list) {
1120	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1121	goto out;
1122	}
1123
1124	if (!lp_ea_support(SNUM(conn))) {
1125	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1126	goto out;
1127	}
1128	}
1129
1130	status = SMB_VFS_CREATE_FILE(
1131	conn, /* conn */
1132	req, /* req */
1133	0, /* root_dir_fid */
1134	smb_fname, /* fname */
1135	access_mask, /* access_mask */
1136	share_mode, /* share_access */
1137	create_disposition, /* create_disposition*/
1138	create_options, /* create_options */
1139	open_attr, /* file_attributes */
1140	oplock_request, /* oplock_request */
1141	open_size, /* allocation_size */
1142	private_flags,
1143	NULL, /* sd */
1144	ea_list, /* ea_list */
1145	&fsp, /* result */
1146	&smb_action); /* psbuf */
1147
1148	if (!NT_STATUS_IS_OK(status)) {
1149	if (open_was_deferred(req->mid)) {
1150	/* We have re-scheduled this call. */
1151	goto out;
1152	}
1153	reply_openerror(req, status);
1154	goto out;
1155	}
1156
1157	size = get_file_size_stat(&smb_fname->st);
1158	fattr = dos_mode(conn, smb_fname);
1159	mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1160	inode = smb_fname->st.st_ex_ino;
1161	if (fattr & FILE_ATTRIBUTE_DIRECTORY) {
1162	close_file(req, fsp, ERROR_CLOSE);
1163	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1164	goto out;
1165	}
1166
1167	/* Realloc the size of parameters and data we will return */
1168	pparams = (char )SMB_REALLOC(*pparams, 30);
1169	if(*pparams == NULL ) {
1170	reply_nterror(req, NT_STATUS_NO_MEMORY);
1171	goto out;
1172	}
1173	params = *pparams;
1174
1175	SSVAL(params,0,fsp->fnum);
1176	SSVAL(params,2,fattr);
1177	srv_put_dos_date2(params,4, mtime);
1178	SIVAL(params,8, (uint32)size);
1179	SSVAL(params,12,deny_mode);
1180	SSVAL(params,14,0); /* open_type - file or directory. */
1181	SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1182
1183	if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1184	smb_action \|= EXTENDED_OPLOCK_GRANTED;
1185	}
1186
1187	SSVAL(params,18,smb_action);
1188
1189	/*
1190	* WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1191	*/
1192	SIVAL(params,20,inode);
1193	SSVAL(params,24,0); /* Padding. */
1194	if (flags & 8) {
1195	uint32 ea_size = estimate_ea_size(conn, fsp,
1196	fsp->fsp_name->base_name);
1197	SIVAL(params, 26, ea_size);
1198	} else {
1199	SIVAL(params, 26, 0);
1200	}
1201
1202	/* Send the required number of replies */
1203	send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1204	out:
1205	TALLOC_FREE(smb_fname);
1206	}
1207
1208	/*********************************************************
1209	Routine to check if a given string matches exactly.
1210	as a special case a mask of "." does NOT match. That
1211	is required for correct wildcard semantics
1212	Case can be significant or not.
1213	**********************************************************/
1214
1215	static bool exact_match(bool has_wild,
1216	bool case_sensitive,
1217	const char *str,
1218	const char *mask)
1219	{
1220	if (mask[0] == '.' && mask[1] == 0) {
1221	return false;
1222	}
1223
1224	if (has_wild) {
1225	return false;
1226	}
1227
1228	if (case_sensitive) {
1229	return strcmp(str,mask)==0;
1230	} else {
1231	return StrCaseCmp(str,mask) == 0;
1232	}
1233	}
1234
1235	/****************************************************************************
1236	Return the filetype for UNIX extensions.
1237	****************************************************************************/
1238
1239	static uint32 unix_filetype(mode_t mode)
1240	{
1241	if(S_ISREG(mode))
1242	return UNIX_TYPE_FILE;
1243	else if(S_ISDIR(mode))
1244	return UNIX_TYPE_DIR;
1245	#ifdef S_ISLNK
1246	else if(S_ISLNK(mode))
1247	return UNIX_TYPE_SYMLINK;
1248	#endif
1249	#ifdef S_ISCHR
1250	else if(S_ISCHR(mode))
1251	return UNIX_TYPE_CHARDEV;
1252	#endif
1253	#ifdef S_ISBLK
1254	else if(S_ISBLK(mode))
1255	return UNIX_TYPE_BLKDEV;
1256	#endif
1257	#ifdef S_ISFIFO
1258	else if(S_ISFIFO(mode))
1259	return UNIX_TYPE_FIFO;
1260	#endif
1261	#ifdef S_ISSOCK
1262	else if(S_ISSOCK(mode))
1263	return UNIX_TYPE_SOCKET;
1264	#endif
1265
1266	DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1267	return UNIX_TYPE_UNKNOWN;
1268	}
1269
1270	/****************************************************************************
1271	Map wire perms onto standard UNIX permissions. Obey share restrictions.
1272	****************************************************************************/
1273
1274	enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1275
1276	static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1277	const SMB_STRUCT_STAT *psbuf,
1278	uint32 perms,
1279	enum perm_type ptype,
1280	mode_t *ret_perms)
1281	{
1282	mode_t ret = 0;
1283
1284	if (perms == SMB_MODE_NO_CHANGE) {
1285	if (!VALID_STAT(*psbuf)) {
1286	return NT_STATUS_INVALID_PARAMETER;
1287	} else {
1288	*ret_perms = psbuf->st_ex_mode;
1289	return NT_STATUS_OK;
1290	}
1291	}
1292
1293	ret \|= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1294	ret \|= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1295	ret \|= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1296	ret \|= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1297	ret \|= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1298	ret \|= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1299	ret \|= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1300	ret \|= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1301	ret \|= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1302	#ifdef S_ISVTX
1303	ret \|= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1304	#endif
1305	#ifdef S_ISGID
1306	ret \|= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1307	#endif
1308	#ifdef S_ISUID
1309	ret \|= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1310	#endif
1311
1312	switch (ptype) {
1313	case PERM_NEW_FILE:
1314	/* Apply mode mask */
1315	ret &= lp_create_mask(SNUM(conn));
1316	/* Add in force bits */
1317	ret \|= lp_force_create_mode(SNUM(conn));
1318	break;
1319	case PERM_NEW_DIR:
1320	ret &= lp_dir_mask(SNUM(conn));
1321	/* Add in force bits */
1322	ret \|= lp_force_dir_mode(SNUM(conn));
1323	break;
1324	case PERM_EXISTING_FILE:
1325	/* Apply mode mask */
1326	ret &= lp_security_mask(SNUM(conn));
1327	/* Add in force bits */
1328	ret \|= lp_force_security_mode(SNUM(conn));
1329	break;
1330	case PERM_EXISTING_DIR:
1331	/* Apply mode mask */
1332	ret &= lp_dir_security_mask(SNUM(conn));
1333	/* Add in force bits */
1334	ret \|= lp_force_dir_security_mode(SNUM(conn));
1335	break;
1336	}
1337
1338	*ret_perms = ret;
1339	return NT_STATUS_OK;
1340	}
1341
1342	/****************************************************************************
1343	Needed to show the msdfs symlinks as directories. Modifies psbuf
1344	to be a directory if it's a msdfs link.
1345	****************************************************************************/
1346
1347	static bool check_msdfs_link(connection_struct *conn,
1348	const char *pathname,
1349	SMB_STRUCT_STAT *psbuf)
1350	{
1351	int saved_errno = errno;
1352	if(lp_host_msdfs() &&
1353	lp_msdfs_root(SNUM(conn)) &&
1354	is_msdfs_link(conn, pathname, psbuf)) {
1355
1356	DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1357	"as a directory\n",
1358	pathname));
1359	psbuf->st_ex_mode = (psbuf->st_ex_mode & 0xFFF) \| S_IFDIR;
1360	errno = saved_errno;
1361	return true;
1362	}
1363	errno = saved_errno;
1364	return false;
1365	}
1366
1367
1368	/****************************************************************************
1369	Get a level dependent lanman2 dir entry.
1370	****************************************************************************/
1371
1372	struct smbd_dirptr_lanman2_state {
1373	connection_struct *conn;
1374	uint32_t info_level;
1375	bool check_mangled_names;
1376	bool has_wild;
1377	bool got_exact_match;
1378	};
1379
1380	static bool smbd_dirptr_lanman2_match_fn(TALLOC_CTX *ctx,
1381	void *private_data,
1382	const char *dname,
1383	const char *mask,
1384	char **_fname)
1385	{
1386	struct smbd_dirptr_lanman2_state *state =
1387	(struct smbd_dirptr_lanman2_state *)private_data;
1388	bool ok;
1389	char mangled_name[13]; /* mangled 8.3 name. */
1390	bool got_match;
1391	const char *fname;
1392
1393	/* Mangle fname if it's an illegal name. */
1394	if (mangle_must_mangle(dname, state->conn->params)) {
1395	ok = name_to_8_3(dname, mangled_name,
1396	true, state->conn->params);
1397	if (!ok) {
1398	return false;
1399	}
1400	fname = mangled_name;
1401	} else {
1402	fname = dname;
1403	}
1404
1405	got_match = exact_match(state->has_wild,
1406	state->conn->case_sensitive,
1407	fname, mask);
1408	state->got_exact_match = got_match;
1409	if (!got_match) {
1410	got_match = mask_match(fname, mask,
1411	state->conn->case_sensitive);
1412	}
1413
1414	if(!got_match && state->check_mangled_names &&
1415	!mangle_is_8_3(fname, false, state->conn->params)) {
1416	/*
1417	* It turns out that NT matches wildcards against
1418	* both long and short names. This may explain some
1419	* of the wildcard wierdness from old DOS clients
1420	* that some people have been seeing.... JRA.
1421	*/
1422	/* Force the mangling into 8.3. */
1423	ok = name_to_8_3(fname, mangled_name,
1424	false, state->conn->params);
1425	if (!ok) {
1426	return false;
1427	}
1428
1429	got_match = exact_match(state->has_wild,
1430	state->conn->case_sensitive,
1431	mangled_name, mask);
1432	state->got_exact_match = got_match;
1433	if (!got_match) {
1434	got_match = mask_match(mangled_name, mask,
1435	state->conn->case_sensitive);
1436	}
1437	}
1438
1439	if (!got_match) {
1440	return false;
1441	}
1442
1443	*_fname = talloc_strdup(ctx, fname);
1444	if (*_fname == NULL) {
1445	return false;
1446	}
1447
1448	return true;
1449	}
1450
1451	static bool smbd_dirptr_lanman2_mode_fn(TALLOC_CTX *ctx,
1452	void *private_data,
1453	struct smb_filename *smb_fname,
1454	uint32_t *_mode)
1455	{
1456	struct smbd_dirptr_lanman2_state *state =
1457	(struct smbd_dirptr_lanman2_state *)private_data;
1458	bool ms_dfs_link = false;
1459	uint32_t mode = 0;
1460
1461	if (INFO_LEVEL_IS_UNIX(state->info_level)) {
1462	if (SMB_VFS_LSTAT(state->conn, smb_fname) != 0) {
1463	DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1464	"Couldn't lstat [%s] (%s)\n",
1465	smb_fname_str_dbg(smb_fname),
1466	strerror(errno)));
1467	return false;
1468	}
1469	} else if (!VALID_STAT(smb_fname->st) &&
1470	SMB_VFS_STAT(state->conn, smb_fname) != 0) {
1471	/* Needed to show the msdfs symlinks as
1472	* directories */
1473
1474	ms_dfs_link = check_msdfs_link(state->conn,
1475	smb_fname->base_name,
1476	&smb_fname->st);
1477	if (!ms_dfs_link) {
1478	DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1479	"Couldn't stat [%s] (%s)\n",
1480	smb_fname_str_dbg(smb_fname),
1481	strerror(errno)));
1482	return false;
1483	}
1484	}
1485
1486	if (ms_dfs_link) {
1487	mode = dos_mode_msdfs(state->conn, smb_fname);
1488	} else {
1489	mode = dos_mode(state->conn, smb_fname);
1490	}
1491
1492	*_mode = mode;
1493	return true;
1494	}
1495
1496	static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
1497	connection_struct *conn,
1498	uint16_t flags2,
1499	uint32_t info_level,
1500	struct ea_list *name_list,
1501	bool check_mangled_names,
1502	bool requires_resume_key,
1503	uint32_t mode,
1504	const char *fname,
1505	const struct smb_filename *smb_fname,
1506	int space_remaining,
1507	uint8_t align,
1508	bool do_pad,
1509	char *base_data,
1510	char **ppdata,
1511	char *end_data,
1512	bool *out_of_space,
1513	uint64_t *last_entry_off)
1514	{
1515	char p, q, pdata = ppdata;
1516	uint32_t reskey=0;
1517	uint64_t file_size = 0;
1518	uint64_t allocation_size = 0;
1519	uint64_t file_index = 0;
1520	uint32_t len;
1521	struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
1522	time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1523	time_t c_date = (time_t)0;
1524	char *nameptr;
1525	char *last_entry_ptr;
1526	bool was_8_3;
1527	int off;
1528	int pad = 0;
1529
1530	*out_of_space = false;
1531
1532	ZERO_STRUCT(mdate_ts);
1533	ZERO_STRUCT(adate_ts);
1534	ZERO_STRUCT(create_date_ts);
1535	ZERO_STRUCT(cdate_ts);
1536
1537	if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
1538	file_size = get_file_size_stat(&smb_fname->st);
1539	}
1540	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
1541
1542	file_index = get_FileIndex(conn, &smb_fname->st);
1543
1544	mdate_ts = smb_fname->st.st_ex_mtime;
1545	adate_ts = smb_fname->st.st_ex_atime;
1546	create_date_ts = get_create_timespec(conn, NULL, smb_fname);
1547	cdate_ts = get_change_timespec(conn, NULL, smb_fname);
1548
1549	if (lp_dos_filetime_resolution(SNUM(conn))) {
1550	dos_filetime_timespec(&create_date_ts);
1551	dos_filetime_timespec(&mdate_ts);
1552	dos_filetime_timespec(&adate_ts);
1553	dos_filetime_timespec(&cdate_ts);
1554	}
1555
1556	create_date = convert_timespec_to_time_t(create_date_ts);
1557	mdate = convert_timespec_to_time_t(mdate_ts);
1558	adate = convert_timespec_to_time_t(adate_ts);
1559	c_date = convert_timespec_to_time_t(cdate_ts);
1560
1561	/* align the record */
1562	SMB_ASSERT(align >= 1);
1563
1564	off = (int)PTR_DIFF(pdata, base_data);
1565	pad = (off + (align-1)) & ~(align-1);
1566	pad -= off;
1567
1568	if (pad && pad > space_remaining) {
1569	*out_of_space = true;
1570	DEBUG(9,("smbd_marshall_dir_entry: out of space "
1571	"for padding (wanted %u, had %d)\n",
1572	(unsigned int)pad,
1573	space_remaining ));
1574	return false; /* Not finished - just out of space */
1575	}
1576
1577	off += pad;
1578	/* initialize padding to 0 */
1579	if (pad) {
1580	memset(pdata, 0, pad);
1581	}
1582	space_remaining -= pad;
1583
1584	DEBUG(10,("smbd_marshall_dir_entry: space_remaining = %d\n",
1585	space_remaining ));
1586
1587	pdata += pad;
1588	p = pdata;
1589	last_entry_ptr = p;
1590
1591	pad = 0;
1592	off = 0;
1593
1594	switch (info_level) {
1595	case SMB_FIND_INFO_STANDARD:
1596	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1597	if(requires_resume_key) {
1598	SIVAL(p,0,reskey);
1599	p += 4;
1600	}
1601	srv_put_dos_date2(p,0,create_date);
1602	srv_put_dos_date2(p,4,adate);
1603	srv_put_dos_date2(p,8,mdate);
1604	SIVAL(p,12,(uint32)file_size);
1605	SIVAL(p,16,(uint32)allocation_size);
1606	SSVAL(p,20,mode);
1607	p += 23;
1608	nameptr = p;
1609	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1610	p += ucs2_align(base_data, p, 0);
1611	}
1612	len = srvstr_push(base_data, flags2, p,
1613	fname, PTR_DIFF(end_data, p),
1614	STR_TERMINATE);
1615	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1616	if (len > 2) {
1617	SCVAL(nameptr, -1, len - 2);
1618	} else {
1619	SCVAL(nameptr, -1, 0);
1620	}
1621	} else {
1622	if (len > 1) {
1623	SCVAL(nameptr, -1, len - 1);
1624	} else {
1625	SCVAL(nameptr, -1, 0);
1626	}
1627	}
1628	p += len;
1629	break;
1630
1631	case SMB_FIND_EA_SIZE:
1632	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_SIZE\n"));
1633	if (requires_resume_key) {
1634	SIVAL(p,0,reskey);
1635	p += 4;
1636	}
1637	srv_put_dos_date2(p,0,create_date);
1638	srv_put_dos_date2(p,4,adate);
1639	srv_put_dos_date2(p,8,mdate);
1640	SIVAL(p,12,(uint32)file_size);
1641	SIVAL(p,16,(uint32)allocation_size);
1642	SSVAL(p,20,mode);
1643	{
1644	unsigned int ea_size = estimate_ea_size(conn, NULL,
1645	smb_fname->base_name);
1646	SIVAL(p,22,ea_size); /* Extended attributes */
1647	}
1648	p += 27;
1649	nameptr = p - 1;
1650	len = srvstr_push(base_data, flags2,
1651	p, fname, PTR_DIFF(end_data, p),
1652	STR_TERMINATE \| STR_NOALIGN);
1653	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1654	if (len > 2) {
1655	len -= 2;
1656	} else {
1657	len = 0;
1658	}
1659	} else {
1660	if (len > 1) {
1661	len -= 1;
1662	} else {
1663	len = 0;
1664	}
1665	}
1666	SCVAL(nameptr,0,len);
1667	p += len;
1668	SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1669	break;
1670
1671	case SMB_FIND_EA_LIST:
1672	{
1673	struct ea_list *file_list = NULL;
1674	size_t ea_len = 0;
1675
1676	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_LIST\n"));
1677	if (!name_list) {
1678	return false;
1679	}
1680	if (requires_resume_key) {
1681	SIVAL(p,0,reskey);
1682	p += 4;
1683	}
1684	srv_put_dos_date2(p,0,create_date);
1685	srv_put_dos_date2(p,4,adate);
1686	srv_put_dos_date2(p,8,mdate);
1687	SIVAL(p,12,(uint32)file_size);
1688	SIVAL(p,16,(uint32)allocation_size);
1689	SSVAL(p,20,mode);
1690	p += 22; /* p now points to the EA area. */
1691
1692	file_list = get_ea_list_from_file(ctx, conn, NULL,
1693	smb_fname->base_name,
1694	&ea_len);
1695	name_list = ea_list_union(name_list, file_list, &ea_len);
1696
1697	/* We need to determine if this entry will fit in the space available. */
1698	/* Max string size is 255 bytes. */
1699	if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1700	*out_of_space = true;
1701	DEBUG(9,("smbd_marshall_dir_entry: out of space "
1702	"(wanted %u, had %d)\n",
1703	(unsigned int)PTR_DIFF(p + 255 + ea_len,pdata),
1704	space_remaining ));
1705	return False; /* Not finished - just out of space */
1706	}
1707
1708	/* Push the ea_data followed by the name. */
1709	p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1710	nameptr = p;
1711	len = srvstr_push(base_data, flags2,
1712	p + 1, fname, PTR_DIFF(end_data, p+1),
1713	STR_TERMINATE \| STR_NOALIGN);
1714	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1715	if (len > 2) {
1716	len -= 2;
1717	} else {
1718	len = 0;
1719	}
1720	} else {
1721	if (len > 1) {
1722	len -= 1;
1723	} else {
1724	len = 0;
1725	}
1726	}
1727	SCVAL(nameptr,0,len);
1728	p += len + 1;
1729	SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1730	break;
1731	}
1732
1733	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1734	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1735	was_8_3 = mangle_is_8_3(fname, True, conn->params);
1736	p += 4;
1737	SIVAL(p,0,reskey); p += 4;
1738	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1739	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1740	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1741	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1742	SOFF_T(p,0,file_size); p += 8;
1743	SOFF_T(p,0,allocation_size); p += 8;
1744	SIVAL(p,0,mode); p += 4;
1745	q = p; p += 4; /* q is placeholder for name length. */
1746	{
1747	unsigned int ea_size = estimate_ea_size(conn, NULL,
1748	smb_fname->base_name);
1749	SIVAL(p,0,ea_size); /* Extended attributes */
1750	p += 4;
1751	}
1752	/* Clear the short name buffer. This is
1753	* IMPORTANT as not doing so will trigger
1754	* a Win2k client bug. JRA.
1755	*/
1756	if (!was_8_3 && check_mangled_names) {
1757	char mangled_name[13]; /* mangled 8.3 name. */
1758	if (!name_to_8_3(fname,mangled_name,True,
1759	conn->params)) {
1760	/* Error - mangle failed ! */
1761	memset(mangled_name,'\0',12);
1762	}
1763	mangled_name[12] = 0;
1764	len = srvstr_push(base_data, flags2,
1765	p+2, mangled_name, 24,
1766	STR_UPPER\|STR_UNICODE);
1767	if (len < 24) {
1768	memset(p + 2 + len,'\0',24 - len);
1769	}
1770	SSVAL(p, 0, len);
1771	} else {
1772	memset(p,'\0',26);
1773	}
1774	p += 2 + 24;
1775	len = srvstr_push(base_data, flags2, p,
1776	fname, PTR_DIFF(end_data, p),
1777	STR_TERMINATE_ASCII);
1778	SIVAL(q,0,len);
1779	p += len;
1780
1781	len = PTR_DIFF(p, pdata);
1782	pad = (len + (align-1)) & ~(align-1);
1783	/*
1784	* offset to the next entry, the caller
1785	* will overwrite it for the last entry
1786	* that's why we always include the padding
1787	*/
1788	SIVAL(pdata,0,pad);
1789	/*
1790	* set padding to zero
1791	*/
1792	if (do_pad) {
1793	memset(p, 0, pad - len);
1794	p = pdata + pad;
1795	} else {
1796	p = pdata + len;
1797	}
1798	break;
1799
1800	case SMB_FIND_FILE_DIRECTORY_INFO:
1801	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1802	p += 4;
1803	SIVAL(p,0,reskey); p += 4;
1804	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1805	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1806	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1807	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1808	SOFF_T(p,0,file_size); p += 8;
1809	SOFF_T(p,0,allocation_size); p += 8;
1810	SIVAL(p,0,mode); p += 4;
1811	len = srvstr_push(base_data, flags2,
1812	p + 4, fname, PTR_DIFF(end_data, p+4),
1813	STR_TERMINATE_ASCII);
1814	SIVAL(p,0,len);
1815	p += 4 + len;
1816
1817	len = PTR_DIFF(p, pdata);
1818	pad = (len + (align-1)) & ~(align-1);
1819	/*
1820	* offset to the next entry, the caller
1821	* will overwrite it for the last entry
1822	* that's why we always include the padding
1823	*/
1824	SIVAL(pdata,0,pad);
1825	/*
1826	* set padding to zero
1827	*/
1828	if (do_pad) {
1829	memset(p, 0, pad - len);
1830	p = pdata + pad;
1831	} else {
1832	p = pdata + len;
1833	}
1834	break;
1835
1836	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1837	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1838	p += 4;
1839	SIVAL(p,0,reskey); p += 4;
1840	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1841	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1842	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1843	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1844	SOFF_T(p,0,file_size); p += 8;
1845	SOFF_T(p,0,allocation_size); p += 8;
1846	SIVAL(p,0,mode); p += 4;
1847	q = p; p += 4; /* q is placeholder for name length. */
1848	{
1849	unsigned int ea_size = estimate_ea_size(conn, NULL,
1850	smb_fname->base_name);
1851	SIVAL(p,0,ea_size); /* Extended attributes */
1852	p +=4;
1853	}
1854	len = srvstr_push(base_data, flags2, p,
1855	fname, PTR_DIFF(end_data, p),
1856	STR_TERMINATE_ASCII);
1857	SIVAL(q, 0, len);
1858	p += len;
1859
1860	len = PTR_DIFF(p, pdata);
1861	pad = (len + (align-1)) & ~(align-1);
1862	/*
1863	* offset to the next entry, the caller
1864	* will overwrite it for the last entry
1865	* that's why we always include the padding
1866	*/
1867	SIVAL(pdata,0,pad);
1868	/*
1869	* set padding to zero
1870	*/
1871	if (do_pad) {
1872	memset(p, 0, pad - len);
1873	p = pdata + pad;
1874	} else {
1875	p = pdata + len;
1876	}
1877	break;
1878
1879	case SMB_FIND_FILE_NAMES_INFO:
1880	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1881	p += 4;
1882	SIVAL(p,0,reskey); p += 4;
1883	p += 4;
1884	/* this must not be null terminated or w2k gets in a loop trying to set an
1885	acl on a dir (tridge) */
1886	len = srvstr_push(base_data, flags2, p,
1887	fname, PTR_DIFF(end_data, p),
1888	STR_TERMINATE_ASCII);
1889	SIVAL(p, -4, len);
1890	p += len;
1891
1892	len = PTR_DIFF(p, pdata);
1893	pad = (len + (align-1)) & ~(align-1);
1894	/*
1895	* offset to the next entry, the caller
1896	* will overwrite it for the last entry
1897	* that's why we always include the padding
1898	*/
1899	SIVAL(pdata,0,pad);
1900	/*
1901	* set padding to zero
1902	*/
1903	if (do_pad) {
1904	memset(p, 0, pad - len);
1905	p = pdata + pad;
1906	} else {
1907	p = pdata + len;
1908	}
1909	break;
1910
1911	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1912	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1913	p += 4;
1914	SIVAL(p,0,reskey); p += 4;
1915	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1916	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1917	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1918	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1919	SOFF_T(p,0,file_size); p += 8;
1920	SOFF_T(p,0,allocation_size); p += 8;
1921	SIVAL(p,0,mode); p += 4;
1922	q = p; p += 4; /* q is placeholder for name length. */
1923	{
1924	unsigned int ea_size = estimate_ea_size(conn, NULL,
1925	smb_fname->base_name);
1926	SIVAL(p,0,ea_size); /* Extended attributes */
1927	p +=4;
1928	}
1929	SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1930	SBVAL(p,0,file_index); p += 8;
1931	len = srvstr_push(base_data, flags2, p,
1932	fname, PTR_DIFF(end_data, p),
1933	STR_TERMINATE_ASCII);
1934	SIVAL(q, 0, len);
1935	p += len;
1936
1937	len = PTR_DIFF(p, pdata);
1938	pad = (len + (align-1)) & ~(align-1);
1939	/*
1940	* offset to the next entry, the caller
1941	* will overwrite it for the last entry
1942	* that's why we always include the padding
1943	*/
1944	SIVAL(pdata,0,pad);
1945	/*
1946	* set padding to zero
1947	*/
1948	if (do_pad) {
1949	memset(p, 0, pad - len);
1950	p = pdata + pad;
1951	} else {
1952	p = pdata + len;
1953	}
1954	break;
1955
1956	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1957	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1958	was_8_3 = mangle_is_8_3(fname, True, conn->params);
1959	p += 4;
1960	SIVAL(p,0,reskey); p += 4;
1961	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1962	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1963	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1964	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1965	SOFF_T(p,0,file_size); p += 8;
1966	SOFF_T(p,0,allocation_size); p += 8;
1967	SIVAL(p,0,mode); p += 4;
1968	q = p; p += 4; /* q is placeholder for name length */
1969	{
1970	unsigned int ea_size = estimate_ea_size(conn, NULL,
1971	smb_fname->base_name);
1972	SIVAL(p,0,ea_size); /* Extended attributes */
1973	p +=4;
1974	}
1975	/* Clear the short name buffer. This is
1976	* IMPORTANT as not doing so will trigger
1977	* a Win2k client bug. JRA.
1978	*/
1979	if (!was_8_3 && check_mangled_names) {
1980	char mangled_name[13]; /* mangled 8.3 name. */
1981	if (!name_to_8_3(fname,mangled_name,True,
1982	conn->params)) {
1983	/* Error - mangle failed ! */
1984	memset(mangled_name,'\0',12);
1985	}
1986	mangled_name[12] = 0;
1987	len = srvstr_push(base_data, flags2,
1988	p+2, mangled_name, 24,
1989	STR_UPPER\|STR_UNICODE);
1990	SSVAL(p, 0, len);
1991	if (len < 24) {
1992	memset(p + 2 + len,'\0',24 - len);
1993	}
1994	SSVAL(p, 0, len);
1995	} else {
1996	memset(p,'\0',26);
1997	}
1998	p += 26;
1999	SSVAL(p,0,0); p += 2; /* Reserved ? */
2000	SBVAL(p,0,file_index); p += 8;
2001	len = srvstr_push(base_data, flags2, p,
2002	fname, PTR_DIFF(end_data, p),
2003	STR_TERMINATE_ASCII);
2004	SIVAL(q,0,len);
2005	p += len;
2006
2007	len = PTR_DIFF(p, pdata);
2008	pad = (len + (align-1)) & ~(align-1);
2009	/*
2010	* offset to the next entry, the caller
2011	* will overwrite it for the last entry
2012	* that's why we always include the padding
2013	*/
2014	SIVAL(pdata,0,pad);
2015	/*
2016	* set padding to zero
2017	*/
2018	if (do_pad) {
2019	memset(p, 0, pad - len);
2020	p = pdata + pad;
2021	} else {
2022	p = pdata + len;
2023	}
2024	break;
2025
2026	/* CIFS UNIX Extension. */
2027
2028	case SMB_FIND_FILE_UNIX:
2029	case SMB_FIND_FILE_UNIX_INFO2:
2030	p+= 4;
2031	SIVAL(p,0,reskey); p+= 4; /* Used for continuing search. */
2032
2033	/* Begin of SMB_QUERY_FILE_UNIX_BASIC */
2034
2035	if (info_level == SMB_FIND_FILE_UNIX) {
2036	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX\n"));
2037	p = store_file_unix_basic(conn, p,
2038	NULL, &smb_fname->st);
2039	len = srvstr_push(base_data, flags2, p,
2040	fname, PTR_DIFF(end_data, p),
2041	STR_TERMINATE);
2042	} else {
2043	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
2044	p = store_file_unix_basic_info2(conn, p,
2045	NULL, &smb_fname->st);
2046	nameptr = p;
2047	p += 4;
2048	len = srvstr_push(base_data, flags2, p, fname,
2049	PTR_DIFF(end_data, p), 0);
2050	SIVAL(nameptr, 0, len);
2051	}
2052
2053	p += len;
2054
2055	len = PTR_DIFF(p, pdata);
2056	pad = (len + (align-1)) & ~(align-1);
2057	/*
2058	* offset to the next entry, the caller
2059	* will overwrite it for the last entry
2060	* that's why we always include the padding
2061	*/
2062	SIVAL(pdata,0,pad);
2063	/*
2064	* set padding to zero
2065	*/
2066	if (do_pad) {
2067	memset(p, 0, pad - len);
2068	p = pdata + pad;
2069	} else {
2070	p = pdata + len;
2071	}
2072	/* End of SMB_QUERY_FILE_UNIX_BASIC */
2073
2074	break;
2075
2076	default:
2077	return false;
2078	}
2079
2080	if (PTR_DIFF(p,pdata) > space_remaining) {
2081	*out_of_space = true;
2082	DEBUG(9,("smbd_marshall_dir_entry: out of space "
2083	"(wanted %u, had %d)\n",
2084	(unsigned int)PTR_DIFF(p,pdata),
2085	space_remaining ));
2086	return false; /* Not finished - just out of space */
2087	}
2088
2089	/* Setup the last entry pointer, as an offset from base_data */
2090	*last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
2091	/* Advance the data pointer to the next slot */
2092	*ppdata = p;
2093
2094	return true;
2095	}
2096
2097	bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
2098	connection_struct *conn,
2099	struct dptr_struct *dirptr,
2100	uint16 flags2,
2101	const char *path_mask,
2102	uint32 dirtype,
2103	int info_level,
2104	int requires_resume_key,
2105	bool dont_descend,
2106	bool ask_sharemode,
2107	uint8_t align,
2108	bool do_pad,
2109	char **ppdata,
2110	char *base_data,
2111	char *end_data,
2112	int space_remaining,
2113	bool *out_of_space,
2114	bool *got_exact_match,
2115	int *_last_entry_off,
2116	struct ea_list *name_list)
2117	{
2118	const char *p;
2119	const char *mask = NULL;
2120	long prev_dirpos = 0;
2121	uint32_t mode = 0;
2122	char *fname = NULL;
2123	struct smb_filename *smb_fname = NULL;
2124	struct smbd_dirptr_lanman2_state state;
2125	bool ok;
2126	uint64_t last_entry_off = 0;
2127
2128	ZERO_STRUCT(state);
2129	state.conn = conn;
2130	state.info_level = info_level;
2131	state.check_mangled_names = lp_manglednames(conn->params);
2132	state.has_wild = dptr_has_wild(dirptr);
2133	state.got_exact_match = false;
2134
2135	*out_of_space = false;
2136	*got_exact_match = false;
2137
2138	p = strrchr_m(path_mask,'/');
2139	if(p != NULL) {
2140	if(p[1] == '\0') {
2141	mask = ".";
2142	} else {
2143	mask = p+1;
2144	}
2145	} else {
2146	mask = path_mask;
2147	}
2148
2149	ok = smbd_dirptr_get_entry(ctx,
2150	dirptr,
2151	mask,
2152	dirtype,
2153	dont_descend,
2154	ask_sharemode,
2155	smbd_dirptr_lanman2_match_fn,
2156	smbd_dirptr_lanman2_mode_fn,
2157	&state,
2158	&fname,
2159	&smb_fname,
2160	&mode,
2161	&prev_dirpos);
2162	if (!ok) {
2163	return false;
2164	}
2165
2166	*got_exact_match = state.got_exact_match;
2167
2168	ok = smbd_marshall_dir_entry(ctx,
2169	conn,
2170	flags2,
2171	info_level,
2172	name_list,
2173	state.check_mangled_names,
2174	requires_resume_key,
2175	mode,
2176	fname,
2177	smb_fname,
2178	space_remaining,
2179	align,
2180	do_pad,
2181	base_data,
2182	ppdata,
2183	end_data,
2184	out_of_space,
2185	&last_entry_off);
2186	TALLOC_FREE(fname);
2187	TALLOC_FREE(smb_fname);
2188	if (*out_of_space) {
2189	dptr_SeekDir(dirptr, prev_dirpos);
2190	return false;
2191	}
2192	if (!ok) {
2193	return false;
2194	}
2195
2196	*_last_entry_off = last_entry_off;
2197	return true;
2198	}
2199
2200	static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
2201	connection_struct *conn,
2202	struct dptr_struct *dirptr,
2203	uint16 flags2,
2204	const char *path_mask,
2205	uint32 dirtype,
2206	int info_level,
2207	bool requires_resume_key,
2208	bool dont_descend,
2209	bool ask_sharemode,
2210	char **ppdata,
2211	char *base_data,
2212	char *end_data,
2213	int space_remaining,
2214	bool *out_of_space,
2215	bool *got_exact_match,
2216	int *last_entry_off,
2217	struct ea_list *name_list)
2218	{
2219	uint8_t align = 4;
2220	const bool do_pad = true;
2221
2222	if (info_level >= 1 && info_level <= 3) {
2223	/* No alignment on earlier info levels. */
2224	align = 1;
2225	}
2226
2227	return smbd_dirptr_lanman2_entry(ctx, conn, dirptr, flags2,
2228	path_mask, dirtype, info_level,
2229	requires_resume_key, dont_descend, ask_sharemode,
2230	align, do_pad,
2231	ppdata, base_data, end_data,
2232	space_remaining,
2233	out_of_space, got_exact_match,
2234	last_entry_off, name_list);
2235	}
2236
2237	/****************************************************************************
2238	Reply to a TRANS2_FINDFIRST.
2239	****************************************************************************/
2240
2241	static void call_trans2findfirst(connection_struct *conn,
2242	struct smb_request *req,
2243	char **pparams, int total_params,
2244	char **ppdata, int total_data,
2245	unsigned int max_data_bytes)
2246	{
2247	/* We must be careful here that we don't return more than the
2248	allowed number of data bytes. If this means returning fewer than
2249	maxentries then so be it. We assume that the redirector has
2250	enough room for the fixed number of parameter bytes it has
2251	requested. */
2252	struct smb_filename *smb_dname = NULL;
2253	char params = pparams;
2254	char pdata = ppdata;
2255	char *data_end;
2256	uint32 dirtype;
2257	int maxentries;
2258	uint16 findfirst_flags;
2259	bool close_after_first;
2260	bool close_if_end;
2261	bool requires_resume_key;
2262	int info_level;
2263	char *directory = NULL;
2264	char *mask = NULL;
2265	char *p;
2266	int last_entry_off=0;
2267	int dptr_num = -1;
2268	int numentries = 0;
2269	int i;
2270	bool finished = False;
2271	bool dont_descend = False;
2272	bool out_of_space = False;
2273	int space_remaining;
2274	bool mask_contains_wcard = False;
2275	struct ea_list *ea_list = NULL;
2276	NTSTATUS ntstatus = NT_STATUS_OK;
2277	bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2278	TALLOC_CTX *ctx = talloc_tos();
2279	struct dptr_struct *dirptr = NULL;
2280	struct smbd_server_connection *sconn = req->sconn;
2281	uint32_t ucf_flags = (UCF_SAVE_LCOMP \| UCF_ALWAYS_ALLOW_WCARD_LCOMP);
2282
2283	if (total_params < 13) {
2284	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2285	goto out;
2286	}
2287
2288	dirtype = SVAL(params,0);
2289	maxentries = SVAL(params,2);
2290	findfirst_flags = SVAL(params,4);
2291	close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
2292	close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2293	requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2294	info_level = SVAL(params,6);
2295
2296	DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
2297	close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
2298	(unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
2299	info_level, max_data_bytes));
2300
2301	if (!maxentries) {
2302	/* W2K3 seems to treat zero as 1. */
2303	maxentries = 1;
2304	}
2305
2306	switch (info_level) {
2307	case SMB_FIND_INFO_STANDARD:
2308	case SMB_FIND_EA_SIZE:
2309	case SMB_FIND_EA_LIST:
2310	case SMB_FIND_FILE_DIRECTORY_INFO:
2311	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2312	case SMB_FIND_FILE_NAMES_INFO:
2313	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2314	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2315	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2316	break;
2317	case SMB_FIND_FILE_UNIX:
2318	case SMB_FIND_FILE_UNIX_INFO2:
2319	/* Always use filesystem for UNIX mtime query. */
2320	ask_sharemode = false;
2321	if (!lp_unix_extensions()) {
2322	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2323	goto out;
2324	}
2325	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
2326	break;
2327	default:
2328	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2329	goto out;
2330	}
2331
2332	srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
2333	params+12, total_params - 12,
2334	STR_TERMINATE, &ntstatus, &mask_contains_wcard);
2335	if (!NT_STATUS_IS_OK(ntstatus)) {
2336	reply_nterror(req, ntstatus);
2337	goto out;
2338	}
2339
2340	ntstatus = filename_convert(ctx, conn,
2341	req->flags2 & FLAGS2_DFS_PATHNAMES,
2342	directory,
2343	ucf_flags,
2344	&mask_contains_wcard,
2345	&smb_dname);
2346	if (!NT_STATUS_IS_OK(ntstatus)) {
2347	if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
2348	reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2349	ERRSRV, ERRbadpath);
2350	goto out;
2351	}
2352	reply_nterror(req, ntstatus);
2353	goto out;
2354	}
2355
2356	mask = smb_dname->original_lcomp;
2357
2358	directory = smb_dname->base_name;
2359
2360	p = strrchr_m(directory,'/');
2361	if(p == NULL) {
2362	/* Windows and OS/2 systems treat search on the root '\' as if it were '\' /
2363	if((directory[0] == '.') && (directory[1] == '\0')) {
2364	mask = talloc_strdup(ctx,"*");
2365	if (!mask) {
2366	reply_nterror(req, NT_STATUS_NO_MEMORY);
2367	goto out;
2368	}
2369	mask_contains_wcard = True;
2370	}
2371	} else {
2372	*p = 0;
2373	}
2374
2375	if (p == NULL \|\| p == directory) {
2376	/* Ensure we don't have a directory name of "". */
2377	directory = talloc_strdup(talloc_tos(), ".");
2378	if (!directory) {
2379	reply_nterror(req, NT_STATUS_NO_MEMORY);
2380	goto out;
2381	}
2382	}
2383
2384	DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2385
2386	if (info_level == SMB_FIND_EA_LIST) {
2387	uint32 ea_size;
2388
2389	if (total_data < 4) {
2390	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2391	goto out;
2392	}
2393
2394	ea_size = IVAL(pdata,0);
2395	if (ea_size != total_data) {
2396	DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2397	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2398	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2399	goto out;
2400	}
2401
2402	if (!lp_ea_support(SNUM(conn))) {
2403	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2404	goto out;
2405	}
2406
2407	/* Pull out the list of names. */
2408	ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2409	if (!ea_list) {
2410	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2411	goto out;
2412	}
2413	}
2414
2415	ppdata = (char )SMB_REALLOC(
2416	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2417	if(*ppdata == NULL ) {
2418	reply_nterror(req, NT_STATUS_NO_MEMORY);
2419	goto out;
2420	}
2421	pdata = *ppdata;
2422	data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2423
2424	/* Realloc the params space */
2425	pparams = (char )SMB_REALLOC(*pparams, 10);
2426	if (*pparams == NULL) {
2427	reply_nterror(req, NT_STATUS_NO_MEMORY);
2428	goto out;
2429	}
2430	params = *pparams;
2431
2432	/* Save the wildcard match and attribs we are using on this directory -
2433	needed as lanman2 assumes these are being saved between calls */
2434
2435	ntstatus = dptr_create(conn,
2436	NULL, /* fsp */
2437	directory,
2438	False,
2439	True,
2440	req->smbpid,
2441	mask,
2442	mask_contains_wcard,
2443	dirtype,
2444	&dirptr);
2445
2446	if (!NT_STATUS_IS_OK(ntstatus)) {
2447	reply_nterror(req, ntstatus);
2448	goto out;
2449	}
2450
2451	dptr_num = dptr_dnum(dirptr);
2452	DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2453
2454	/* Initialize per TRANS2_FIND_FIRST operation data */
2455	dptr_init_search_op(dirptr);
2456
2457	/* We don't need to check for VOL here as this is returned by
2458	a different TRANS2 call. */
2459
2460	DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2461	directory,lp_dontdescend(SNUM(conn))));
2462	if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2463	dont_descend = True;
2464
2465	p = pdata;
2466	space_remaining = max_data_bytes;
2467	out_of_space = False;
2468
2469	for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2470	bool got_exact_match = False;
2471
2472	/* this is a heuristic to avoid seeking the dirptr except when
2473	absolutely necessary. It allows for a filename of about 40 chars */
2474	if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2475	out_of_space = True;
2476	finished = False;
2477	} else {
2478	finished = !get_lanman2_dir_entry(ctx,
2479	conn,
2480	dirptr,
2481	req->flags2,
2482	mask,dirtype,info_level,
2483	requires_resume_key,dont_descend,
2484	ask_sharemode,
2485	&p,pdata,data_end,
2486	space_remaining, &out_of_space,
2487	&got_exact_match,
2488	&last_entry_off, ea_list);
2489	}
2490
2491	if (finished && out_of_space)
2492	finished = False;
2493
2494	if (!finished && !out_of_space)
2495	numentries++;
2496
2497	/*
2498	* As an optimisation if we know we aren't looking
2499	* for a wildcard name (ie. the name matches the wildcard exactly)
2500	* then we can finish on any (first) match.
2501	* This speeds up large directory searches. JRA.
2502	*/
2503
2504	if(got_exact_match)
2505	finished = True;
2506
2507	/* Ensure space_remaining never goes -ve. */
2508	if (PTR_DIFF(p,pdata) > max_data_bytes) {
2509	space_remaining = 0;
2510	out_of_space = true;
2511	} else {
2512	space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2513	}
2514	}
2515
2516	/* Check if we can close the dirptr */
2517	if(close_after_first \|\| (finished && close_if_end)) {
2518	DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2519	dptr_close(sconn, &dptr_num);
2520	}
2521
2522	/*
2523	* If there are no matching entries we must return ERRDOS/ERRbadfile -
2524	* from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2525	* the protocol level is less than NT1. Tested with smbclient. JRA.
2526	* This should fix the OS/2 client bug #2335.
2527	*/
2528
2529	if(numentries == 0) {
2530	dptr_close(sconn, &dptr_num);
2531	if (get_Protocol() < PROTOCOL_NT1) {
2532	reply_force_doserror(req, ERRDOS, ERRnofiles);
2533	goto out;
2534	} else {
2535	reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2536	ERRDOS, ERRbadfile);
2537	goto out;
2538	}
2539	}
2540
2541	/* At this point pdata points to numentries directory entries. */
2542
2543	/* Set up the return parameter block */
2544	SSVAL(params,0,dptr_num);
2545	SSVAL(params,2,numentries);
2546	SSVAL(params,4,finished);
2547	SSVAL(params,6,0); /* Never an EA error */
2548	SSVAL(params,8,last_entry_off);
2549
2550	send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2551	max_data_bytes);
2552
2553	if ((! *directory) && dptr_path(sconn, dptr_num)) {
2554	directory = talloc_strdup(talloc_tos(),dptr_path(sconn, dptr_num));
2555	if (!directory) {
2556	reply_nterror(req, NT_STATUS_NO_MEMORY);
2557	}
2558	}
2559
2560	DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2561	smb_fn_name(req->cmd),
2562	mask, directory, dirtype, numentries ) );
2563
2564	/*
2565	* Force a name mangle here to ensure that the
2566	* mask as an 8.3 name is top of the mangled cache.
2567	* The reasons for this are subtle. Don't remove
2568	* this code unless you know what you are doing
2569	* (see PR#13758). JRA.
2570	*/
2571
2572	if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2573	char mangled_name[13];
2574	name_to_8_3(mask, mangled_name, True, conn->params);
2575	}
2576	out:
2577	TALLOC_FREE(smb_dname);
2578	return;
2579	}
2580
2581	/****************************************************************************
2582	Reply to a TRANS2_FINDNEXT.
2583	****************************************************************************/
2584
2585	static void call_trans2findnext(connection_struct *conn,
2586	struct smb_request *req,
2587	char **pparams, int total_params,
2588	char **ppdata, int total_data,
2589	unsigned int max_data_bytes)
2590	{
2591	/* We must be careful here that we don't return more than the
2592	allowed number of data bytes. If this means returning fewer than
2593	maxentries then so be it. We assume that the redirector has
2594	enough room for the fixed number of parameter bytes it has
2595	requested. */
2596	char params = pparams;
2597	char pdata = ppdata;
2598	char *data_end;
2599	int dptr_num;
2600	int maxentries;
2601	uint16 info_level;
2602	uint32 resume_key;
2603	uint16 findnext_flags;
2604	bool close_after_request;
2605	bool close_if_end;
2606	bool requires_resume_key;
2607	bool continue_bit;
2608	bool mask_contains_wcard = False;
2609	char *resume_name = NULL;
2610	const char *mask = NULL;
2611	const char *directory = NULL;
2612	char *p = NULL;
2613	uint16 dirtype;
2614	int numentries = 0;
2615	int i, last_entry_off=0;
2616	bool finished = False;
2617	bool dont_descend = False;
2618	bool out_of_space = False;
2619	int space_remaining;
2620	struct ea_list *ea_list = NULL;
2621	NTSTATUS ntstatus = NT_STATUS_OK;
2622	bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2623	TALLOC_CTX *ctx = talloc_tos();
2624	struct dptr_struct *dirptr;
2625	struct smbd_server_connection *sconn = req->sconn;
2626
2627	if (total_params < 13) {
2628	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2629	return;
2630	}
2631
2632	dptr_num = SVAL(params,0);
2633	maxentries = SVAL(params,2);
2634	info_level = SVAL(params,4);
2635	resume_key = IVAL(params,6);
2636	findnext_flags = SVAL(params,10);
2637	close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2638	close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2639	requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2640	continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2641
2642	if (!continue_bit) {
2643	/* We only need resume_name if continue_bit is zero. */
2644	srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2645	params+12,
2646	total_params - 12, STR_TERMINATE, &ntstatus,
2647	&mask_contains_wcard);
2648	if (!NT_STATUS_IS_OK(ntstatus)) {
2649	/* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2650	complain (it thinks we're asking for the directory above the shared
2651	path or an invalid name). Catch this as the resume name is only compared, never used in
2652	a file access. JRA. */
2653	srvstr_pull_talloc(ctx, params, req->flags2,
2654	&resume_name, params+12,
2655	total_params - 12,
2656	STR_TERMINATE);
2657
2658	if (!resume_name \|\| !(ISDOT(resume_name) \|\| ISDOTDOT(resume_name))) {
2659	reply_nterror(req, ntstatus);
2660	return;
2661	}
2662	}
2663	}
2664
2665	DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2666	close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2667	resume_key = %d resume name = %s continue=%d level = %d\n",
2668	dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2669	requires_resume_key, resume_key,
2670	resume_name ? resume_name : "(NULL)", continue_bit, info_level));
2671
2672	if (!maxentries) {
2673	/* W2K3 seems to treat zero as 1. */
2674	maxentries = 1;
2675	}
2676
2677	switch (info_level) {
2678	case SMB_FIND_INFO_STANDARD:
2679	case SMB_FIND_EA_SIZE:
2680	case SMB_FIND_EA_LIST:
2681	case SMB_FIND_FILE_DIRECTORY_INFO:
2682	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2683	case SMB_FIND_FILE_NAMES_INFO:
2684	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2685	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2686	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2687	break;
2688	case SMB_FIND_FILE_UNIX:
2689	case SMB_FIND_FILE_UNIX_INFO2:
2690	/* Always use filesystem for UNIX mtime query. */
2691	ask_sharemode = false;
2692	if (!lp_unix_extensions()) {
2693	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2694	return;
2695	}
2696	break;
2697	default:
2698	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2699	return;
2700	}
2701
2702	if (info_level == SMB_FIND_EA_LIST) {
2703	uint32 ea_size;
2704
2705	if (total_data < 4) {
2706	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2707	return;
2708	}
2709
2710	ea_size = IVAL(pdata,0);
2711	if (ea_size != total_data) {
2712	DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2713	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2714	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2715	return;
2716	}
2717
2718	if (!lp_ea_support(SNUM(conn))) {
2719	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2720	return;
2721	}
2722
2723	/* Pull out the list of names. */
2724	ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2725	if (!ea_list) {
2726	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2727	return;
2728	}
2729	}
2730
2731	ppdata = (char )SMB_REALLOC(
2732	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2733	if(*ppdata == NULL) {
2734	reply_nterror(req, NT_STATUS_NO_MEMORY);
2735	return;
2736	}
2737
2738	pdata = *ppdata;
2739	data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2740
2741	/* Realloc the params space */
2742	pparams = (char )SMB_REALLOC(pparams, 6SIZEOFWORD);
2743	if(*pparams == NULL ) {
2744	reply_nterror(req, NT_STATUS_NO_MEMORY);
2745	return;
2746	}
2747
2748	params = *pparams;
2749
2750	/* Check that the dptr is valid */
2751	if(!(dirptr = dptr_fetch_lanman2(sconn, dptr_num))) {
2752	reply_nterror(req, STATUS_NO_MORE_FILES);
2753	return;
2754	}
2755
2756	directory = dptr_path(sconn, dptr_num);
2757
2758	/* Get the wildcard mask from the dptr */
2759	if((p = dptr_wcard(sconn, dptr_num))== NULL) {
2760	DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2761	reply_nterror(req, STATUS_NO_MORE_FILES);
2762	return;
2763	}
2764
2765	mask = p;
2766
2767	/* Get the attr mask from the dptr */
2768	dirtype = dptr_attr(sconn, dptr_num);
2769
2770	DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2771	dptr_num, mask, dirtype,
2772	(long)dirptr,
2773	dptr_TellDir(dirptr)));
2774
2775	/* Initialize per TRANS2_FIND_NEXT operation data */
2776	dptr_init_search_op(dirptr);
2777
2778	/* We don't need to check for VOL here as this is returned by
2779	a different TRANS2 call. */
2780
2781	DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2782	directory,lp_dontdescend(SNUM(conn))));
2783	if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2784	dont_descend = True;
2785
2786	p = pdata;
2787	space_remaining = max_data_bytes;
2788	out_of_space = False;
2789
2790	/*
2791	* Seek to the correct position. We no longer use the resume key but
2792	* depend on the last file name instead.
2793	*/
2794
2795	if(!continue_bit && resume_name && *resume_name) {
2796	SMB_STRUCT_STAT st;
2797
2798	long current_pos = 0;
2799	/*
2800	* Remember, name_to_8_3 is called by
2801	* get_lanman2_dir_entry(), so the resume name
2802	* could be mangled. Ensure we check the unmangled name.
2803	*/
2804
2805	if (mangle_is_mangled(resume_name, conn->params)) {
2806	char *new_resume_name = NULL;
2807	mangle_lookup_name_from_8_3(ctx,
2808	resume_name,
2809	&new_resume_name,
2810	conn->params);
2811	if (new_resume_name) {
2812	resume_name = new_resume_name;
2813	}
2814	}
2815
2816	/*
2817	* Fix for NT redirector problem triggered by resume key indexes
2818	* changing between directory scans. We now return a resume key of 0
2819	* and instead look for the filename to continue from (also given
2820	* to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2821	* findfirst/findnext (as is usual) then the directory pointer
2822	* should already be at the correct place.
2823	*/
2824
2825	finished = !dptr_SearchDir(dirptr, resume_name, &current_pos, &st);
2826	} /* end if resume_name && !continue_bit */
2827
2828	for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2829	bool got_exact_match = False;
2830
2831	/* this is a heuristic to avoid seeking the dirptr except when
2832	absolutely necessary. It allows for a filename of about 40 chars */
2833	if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2834	out_of_space = True;
2835	finished = False;
2836	} else {
2837	finished = !get_lanman2_dir_entry(ctx,
2838	conn,
2839	dirptr,
2840	req->flags2,
2841	mask,dirtype,info_level,
2842	requires_resume_key,dont_descend,
2843	ask_sharemode,
2844	&p,pdata,data_end,
2845	space_remaining, &out_of_space,
2846	&got_exact_match,
2847	&last_entry_off, ea_list);
2848	}
2849
2850	if (finished && out_of_space)
2851	finished = False;
2852
2853	if (!finished && !out_of_space)
2854	numentries++;
2855
2856	/*
2857	* As an optimisation if we know we aren't looking
2858	* for a wildcard name (ie. the name matches the wildcard exactly)
2859	* then we can finish on any (first) match.
2860	* This speeds up large directory searches. JRA.
2861	*/
2862
2863	if(got_exact_match)
2864	finished = True;
2865
2866	space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2867	}
2868
2869	DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2870	smb_fn_name(req->cmd),
2871	mask, directory, dirtype, numentries ) );
2872
2873	/* Check if we can close the dirptr */
2874	if(close_after_request \|\| (finished && close_if_end)) {
2875	DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2876	dptr_close(sconn, &dptr_num); /* This frees up the saved mask */
2877	}
2878
2879	/* Set up the return parameter block */
2880	SSVAL(params,0,numentries);
2881	SSVAL(params,2,finished);
2882	SSVAL(params,4,0); /* Never an EA error */
2883	SSVAL(params,6,last_entry_off);
2884
2885	send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2886	max_data_bytes);
2887
2888	return;
2889	}
2890
2891	unsigned char create_volume_objectid(connection_struct conn, unsigned char objid[16])
2892	{
2893	E_md4hash(lp_servicename(SNUM(conn)),objid);
2894	return objid;
2895	}
2896
2897	static void samba_extended_info_version(struct smb_extended_info *extended_info)
2898	{
2899	SMB_ASSERT(extended_info != NULL);
2900
2901	extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2902	extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2903	\| ((SAMBA_VERSION_MINOR & 0xff) << 16)
2904	\| ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2905	#ifdef SAMBA_VERSION_REVISION
2906	extended_info->samba_version \|= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2907	#endif
2908	extended_info->samba_subversion = 0;
2909	#ifdef SAMBA_VERSION_RC_RELEASE
2910	extended_info->samba_subversion \|= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2911	#else
2912	#ifdef SAMBA_VERSION_PRE_RELEASE
2913	extended_info->samba_subversion \|= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2914	#endif
2915	#endif
2916	#ifdef SAMBA_VERSION_VENDOR_PATCH
2917	extended_info->samba_subversion \|= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2918	#endif
2919	extended_info->samba_gitcommitdate = 0;
2920	#ifdef SAMBA_VERSION_COMMIT_TIME
2921	unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_COMMIT_TIME);
2922	#endif
2923
2924	memset(extended_info->samba_version_string, 0,
2925	sizeof(extended_info->samba_version_string));
2926
2927	snprintf (extended_info->samba_version_string,
2928	sizeof(extended_info->samba_version_string),
2929	"%s", samba_version_string());
2930	}
2931
2932	NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
2933	TALLOC_CTX *mem_ctx,
2934	uint16_t info_level,
2935	uint16_t flags2,
2936	unsigned int max_data_bytes,
2937	char **ppdata,
2938	int *ret_data_len)
2939	{
2940	char pdata, end_data;
2941	int data_len = 0, len;
2942	const char *vname = volume_label(SNUM(conn));
2943	int snum = SNUM(conn);
2944	char *fstype = lp_fstype(SNUM(conn));
2945	uint32 additional_flags = 0;
2946	struct smb_filename smb_fname_dot;
2947	SMB_STRUCT_STAT st;
2948
2949	if (IS_IPC(conn)) {
2950	if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2951	DEBUG(0,("smbd_do_qfsinfo: not an allowed "
2952	"info level (0x%x) on IPC$.\n",
2953	(unsigned int)info_level));
2954	return NT_STATUS_ACCESS_DENIED;
2955	}
2956	}
2957
2958	DEBUG(3,("smbd_do_qfsinfo: level = %d\n", info_level));
2959
2960	ZERO_STRUCT(smb_fname_dot);
2961	smb_fname_dot.base_name = discard_const_p(char, ".");
2962
2963	if(SMB_VFS_STAT(conn, &smb_fname_dot) != 0) {
2964	DEBUG(2,("stat of . failed (%s)\n", strerror(errno)));
2965	return map_nt_error_from_unix(errno);
2966	}
2967
2968	st = smb_fname_dot.st;
2969
2970	ppdata = (char )SMB_REALLOC(
2971	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2972	if (*ppdata == NULL) {
2973	return NT_STATUS_NO_MEMORY;
2974	}
2975
2976	pdata = *ppdata;
2977	memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2978	end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2979
2980	switch (info_level) {
2981	case SMB_INFO_ALLOCATION:
2982	{
2983	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
2984	data_len = 18;
2985	if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
2986	return map_nt_error_from_unix(errno);
2987	}
2988
2989	block_size = lp_block_size(snum);
2990	if (bsize < block_size) {
2991	uint64_t factor = block_size/bsize;
2992	bsize = block_size;
2993	dsize /= factor;
2994	dfree /= factor;
2995	}
2996	if (bsize > block_size) {
2997	uint64_t factor = bsize/block_size;
2998	bsize = block_size;
2999	dsize *= factor;
3000	dfree *= factor;
3001	}
3002	bytes_per_sector = 512;
3003	sectors_per_unit = bsize/bytes_per_sector;
3004
3005	DEBUG(5,("smbd_do_qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
3006	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
3007	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3008
3009	SIVAL(pdata,l1_idFileSystem,st.st_ex_dev);
3010	SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
3011	SIVAL(pdata,l1_cUnit,dsize);
3012	SIVAL(pdata,l1_cUnitAvail,dfree);
3013	SSVAL(pdata,l1_cbSector,bytes_per_sector);
3014	break;
3015	}
3016
3017	case SMB_INFO_VOLUME:
3018	/* Return volume name */
3019	/*
3020	* Add volume serial number - hash of a combination of
3021	* the called hostname and the service name.
3022	*/
3023	SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
3024	/*
3025	* Win2k3 and previous mess this up by sending a name length
3026	* one byte short. I believe only older clients (OS/2 Win9x) use
3027	* this call so try fixing this by adding a terminating null to
3028	* the pushed string. The change here was adding the STR_TERMINATE. JRA.
3029	*/
3030	len = srvstr_push(
3031	pdata, flags2,
3032	pdata+l2_vol_szVolLabel, vname,
3033	PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
3034	STR_NOALIGN\|STR_TERMINATE);
3035	SCVAL(pdata,l2_vol_cch,len);
3036	data_len = l2_vol_szVolLabel + len;
3037	DEBUG(5,("smbd_do_qfsinfo : time = %x, namelen = %d, name = %s\n",
3038	(unsigned)convert_timespec_to_time_t(st.st_ex_ctime),
3039	len, vname));
3040	break;
3041
3042	case SMB_QUERY_FS_ATTRIBUTE_INFO:
3043	case SMB_FS_ATTRIBUTE_INFORMATION:
3044
3045	additional_flags = 0;
3046	#if defined(HAVE_SYS_QUOTAS)
3047	additional_flags \|= FILE_VOLUME_QUOTAS;
3048	#endif
3049
3050	if(lp_nt_acl_support(SNUM(conn))) {
3051	additional_flags \|= FILE_PERSISTENT_ACLS;
3052	}
3053
3054	/* Capabilities are filled in at connection time through STATVFS call */
3055	additional_flags \|= conn->fs_capabilities;
3056	additional_flags \|= lp_parm_int(conn->params->service,
3057	"share", "fake_fscaps",
3058	0);
3059
3060	SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES\|FILE_CASE_SENSITIVE_SEARCH\|
3061	FILE_SUPPORTS_OBJECT_IDS\|FILE_UNICODE_ON_DISK\|
3062	additional_flags); /* FS ATTRIBUTES */
3063
3064	SIVAL(pdata,4,255); /* Max filename component length */
3065	/* NOTE! the fstype must not be null terminated or win98 won't recognise it
3066	and will think we can't do long filenames */
3067	len = srvstr_push(pdata, flags2, pdata+12, fstype,
3068	PTR_DIFF(end_data, pdata+12),
3069	STR_UNICODE);
3070	SIVAL(pdata,8,len);
3071	data_len = 12 + len;
3072	break;
3073
3074	case SMB_QUERY_FS_LABEL_INFO:
3075	case SMB_FS_LABEL_INFORMATION:
3076	len = srvstr_push(pdata, flags2, pdata+4, vname,
3077	PTR_DIFF(end_data, pdata+4), 0);
3078	data_len = 4 + len;
3079	SIVAL(pdata,0,len);
3080	break;
3081
3082	case SMB_QUERY_FS_VOLUME_INFO:
3083	case SMB_FS_VOLUME_INFORMATION:
3084
3085	/*
3086	* Add volume serial number - hash of a combination of
3087	* the called hostname and the service name.
3088	*/
3089	SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
3090	(str_checksum(get_local_machine_name())<<16));
3091
3092	/* Max label len is 32 characters. */
3093	len = srvstr_push(pdata, flags2, pdata+18, vname,
3094	PTR_DIFF(end_data, pdata+18),
3095	STR_UNICODE);
3096	SIVAL(pdata,12,len);
3097	data_len = 18+len;
3098
3099	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
3100	(int)strlen(vname),vname, lp_servicename(snum)));
3101	break;
3102
3103	case SMB_QUERY_FS_SIZE_INFO:
3104	case SMB_FS_SIZE_INFORMATION:
3105	{
3106	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3107	data_len = 24;
3108	if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3109	return map_nt_error_from_unix(errno);
3110	}
3111	block_size = lp_block_size(snum);
3112	if (bsize < block_size) {
3113	uint64_t factor = block_size/bsize;
3114	bsize = block_size;
3115	dsize /= factor;
3116	dfree /= factor;
3117	}
3118	if (bsize > block_size) {
3119	uint64_t factor = bsize/block_size;
3120	bsize = block_size;
3121	dsize *= factor;
3122	dfree *= factor;
3123	}
3124	bytes_per_sector = 512;
3125	sectors_per_unit = bsize/bytes_per_sector;
3126	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3127	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3128	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3129	SBIG_UINT(pdata,0,dsize);
3130	SBIG_UINT(pdata,8,dfree);
3131	SIVAL(pdata,16,sectors_per_unit);
3132	SIVAL(pdata,20,bytes_per_sector);
3133	break;
3134	}
3135
3136	case SMB_FS_FULL_SIZE_INFORMATION:
3137	{
3138	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3139	data_len = 32;
3140	if (get_dfree_info(conn,".",False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3141	return map_nt_error_from_unix(errno);
3142	}
3143	block_size = lp_block_size(snum);
3144	if (bsize < block_size) {
3145	uint64_t factor = block_size/bsize;
3146	bsize = block_size;
3147	dsize /= factor;
3148	dfree /= factor;
3149	}
3150	if (bsize > block_size) {
3151	uint64_t factor = bsize/block_size;
3152	bsize = block_size;
3153	dsize *= factor;
3154	dfree *= factor;
3155	}
3156	bytes_per_sector = 512;
3157	sectors_per_unit = bsize/bytes_per_sector;
3158	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3159	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3160	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3161	SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
3162	SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
3163	SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
3164	SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
3165	SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
3166	break;
3167	}
3168
3169	case SMB_QUERY_FS_DEVICE_INFO:
3170	case SMB_FS_DEVICE_INFORMATION:
3171	{
3172	uint32_t characteristics = FILE_DEVICE_IS_MOUNTED;
3173
3174	if (!CAN_WRITE(conn)) {
3175	characteristics \|= FILE_READ_ONLY_DEVICE;
3176	}
3177	data_len = 8;
3178	SIVAL(pdata,0,FILE_DEVICE_DISK); /* dev type */
3179	SIVAL(pdata,4,characteristics);
3180	break;
3181	}
3182
3183	#ifdef HAVE_SYS_QUOTAS
3184	case SMB_FS_QUOTA_INFORMATION:
3185	/*
3186	* what we have to send --metze:
3187	*
3188	* Unknown1: 24 NULL bytes
3189	* Soft Quota Treshold: 8 bytes seems like uint64_t or so
3190	* Hard Quota Limit: 8 bytes seems like uint64_t or so
3191	* Quota Flags: 2 byte :
3192	* Unknown3: 6 NULL bytes
3193	*
3194	* 48 bytes total
3195	*
3196	* details for Quota Flags:
3197	*
3198	* 0x0020 Log Limit: log if the user exceeds his Hard Quota
3199	* 0x0010 Log Warn: log if the user exceeds his Soft Quota
3200	* 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
3201	* 0x0001 Enable Quotas: enable quota for this fs
3202	*
3203	*/
3204	{
3205	/* we need to fake up a fsp here,
3206	* because its not send in this call
3207	*/
3208	files_struct fsp;
3209	SMB_NTQUOTA_STRUCT quotas;
3210
3211	ZERO_STRUCT(fsp);
3212	ZERO_STRUCT(quotas);
3213
3214	fsp.conn = conn;
3215	fsp.fnum = -1;
3216
3217	/* access check */
3218	if (get_current_uid(conn) != 0) {
3219	DEBUG(0,("set_user_quota: access_denied "
3220	"service [%s] user [%s]\n",
3221	lp_servicename(SNUM(conn)),
3222	conn->session_info->unix_name));
3223	return NT_STATUS_ACCESS_DENIED;
3224	}
3225
3226	if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3227	DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3228	return map_nt_error_from_unix(errno);
3229	}
3230
3231	data_len = 48;
3232
3233	DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",
3234	lp_servicename(SNUM(conn))));
3235
3236	/* Unknown1 24 NULL bytes*/
3237	SBIG_UINT(pdata,0,(uint64_t)0);
3238	SBIG_UINT(pdata,8,(uint64_t)0);
3239	SBIG_UINT(pdata,16,(uint64_t)0);
3240
3241	/* Default Soft Quota 8 bytes */
3242	SBIG_UINT(pdata,24,quotas.softlim);
3243
3244	/* Default Hard Quota 8 bytes */
3245	SBIG_UINT(pdata,32,quotas.hardlim);
3246
3247	/* Quota flag 2 bytes */
3248	SSVAL(pdata,40,quotas.qflags);
3249
3250	/* Unknown3 6 NULL bytes */
3251	SSVAL(pdata,42,0);
3252	SIVAL(pdata,44,0);
3253
3254	break;
3255	}
3256	#endif /* HAVE_SYS_QUOTAS */
3257	case SMB_FS_OBJECTID_INFORMATION:
3258	{
3259	unsigned char objid[16];
3260	struct smb_extended_info extended_info;
3261	memcpy(pdata,create_volume_objectid(conn, objid),16);
3262	samba_extended_info_version (&extended_info);
3263	SIVAL(pdata,16,extended_info.samba_magic);
3264	SIVAL(pdata,20,extended_info.samba_version);
3265	SIVAL(pdata,24,extended_info.samba_subversion);
3266	SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
3267	memcpy(pdata+36,extended_info.samba_version_string,28);
3268	data_len = 64;
3269	break;
3270	}
3271
3272	/*
3273	* Query the version and capabilities of the CIFS UNIX extensions
3274	* in use.
3275	*/
3276
3277	case SMB_QUERY_CIFS_UNIX_INFO:
3278	{
3279	bool large_write = lp_min_receive_file_size() &&
3280	!srv_is_signing_active(conn->sconn);
3281	bool large_read = !srv_is_signing_active(conn->sconn);
3282	int encrypt_caps = 0;
3283
3284	if (!lp_unix_extensions()) {
3285	return NT_STATUS_INVALID_LEVEL;
3286	}
3287
3288	switch (conn->encrypt_level) {
3289	case 0:
3290	encrypt_caps = 0;
3291	break;
3292	case 1:
3293	case Auto:
3294	encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
3295	break;
3296	case Required:
3297	encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP\|
3298	CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
3299	large_write = false;
3300	large_read = false;
3301	break;
3302	}
3303
3304	data_len = 12;
3305	SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
3306	SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
3307
3308	/* We have POSIX ACLs, pathname, encryption,
3309	* large read/write, and locking capability. */
3310
3311	SBIG_UINT(pdata,4,((uint64_t)(
3312	CIFS_UNIX_POSIX_ACLS_CAP\|
3313	CIFS_UNIX_POSIX_PATHNAMES_CAP\|
3314	CIFS_UNIX_FCNTL_LOCKS_CAP\|
3315	CIFS_UNIX_EXTATTR_CAP\|
3316	CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP\|
3317	encrypt_caps\|
3318	(large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) \|
3319	(large_write ?
3320	CIFS_UNIX_LARGE_WRITE_CAP : 0))));
3321	break;
3322	}
3323
3324	case SMB_QUERY_POSIX_FS_INFO:
3325	{
3326	int rc;
3327	vfs_statvfs_struct svfs;
3328
3329	if (!lp_unix_extensions()) {
3330	return NT_STATUS_INVALID_LEVEL;
3331	}
3332
3333	rc = SMB_VFS_STATVFS(conn, ".", &svfs);
3334
3335	if (!rc) {
3336	data_len = 56;
3337	SIVAL(pdata,0,svfs.OptimalTransferSize);
3338	SIVAL(pdata,4,svfs.BlockSize);
3339	SBIG_UINT(pdata,8,svfs.TotalBlocks);
3340	SBIG_UINT(pdata,16,svfs.BlocksAvail);
3341	SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
3342	SBIG_UINT(pdata,32,svfs.TotalFileNodes);
3343	SBIG_UINT(pdata,40,svfs.FreeFileNodes);
3344	SBIG_UINT(pdata,48,svfs.FsIdentifier);
3345	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
3346	#ifdef EOPNOTSUPP
3347	} else if (rc == EOPNOTSUPP) {
3348	return NT_STATUS_INVALID_LEVEL;
3349	#endif /* EOPNOTSUPP */
3350	} else {
3351	DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3352	return NT_STATUS_DOS(ERRSRV, ERRerror);
3353	}
3354	break;
3355	}
3356
3357	case SMB_QUERY_POSIX_WHOAMI:
3358	{
3359	uint32_t flags = 0;
3360	uint32_t sid_bytes;
3361	int i;
3362
3363	if (!lp_unix_extensions()) {
3364	return NT_STATUS_INVALID_LEVEL;
3365	}
3366
3367	if (max_data_bytes < 40) {
3368	return NT_STATUS_BUFFER_TOO_SMALL;
3369	}
3370
3371	/* We ARE guest if global_sid_Builtin_Guests is
3372	* in our list of SIDs.
3373	*/
3374	if (nt_token_check_sid(&global_sid_Builtin_Guests,
3375	conn->session_info->security_token)) {
3376	flags \|= SMB_WHOAMI_GUEST;
3377	}
3378
3379	/* We are NOT guest if global_sid_Authenticated_Users
3380	* is in our list of SIDs.
3381	*/
3382	if (nt_token_check_sid(&global_sid_Authenticated_Users,
3383	conn->session_info->security_token)) {
3384	flags &= ~SMB_WHOAMI_GUEST;
3385	}
3386
3387	/* NOTE: 8 bytes for UID/GID, irrespective of native
3388	* platform size. This matches
3389	* SMB_QUERY_FILE_UNIX_BASIC and friends.
3390	*/
3391	data_len = 4 /* flags */
3392	+ 4 /* flag mask */
3393	+ 8 /* uid */
3394	+ 8 /* gid */
3395	+ 4 /* ngroups */
3396	+ 4 /* num_sids */
3397	+ 4 /* SID bytes */
3398	+ 4 /* pad/reserved */
3399	+ (conn->session_info->utok.ngroups * 8)
3400	/* groups list */
3401	+ (conn->session_info->security_token->num_sids *
3402	SID_MAX_SIZE)
3403	/* SID list */;
3404
3405	SIVAL(pdata, 0, flags);
3406	SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3407	SBIG_UINT(pdata, 8,
3408	(uint64_t)conn->session_info->utok.uid);
3409	SBIG_UINT(pdata, 16,
3410	(uint64_t)conn->session_info->utok.gid);
3411
3412
3413	if (data_len >= max_data_bytes) {
3414	/* Potential overflow, skip the GIDs and SIDs. */
3415
3416	SIVAL(pdata, 24, 0); /* num_groups */
3417	SIVAL(pdata, 28, 0); /* num_sids */
3418	SIVAL(pdata, 32, 0); /* num_sid_bytes */
3419	SIVAL(pdata, 36, 0); /* reserved */
3420
3421	data_len = 40;
3422	break;
3423	}
3424
3425	SIVAL(pdata, 24, conn->session_info->utok.ngroups);
3426	SIVAL(pdata, 28, conn->session_info->security_token->num_sids);
3427
3428	/* We walk the SID list twice, but this call is fairly
3429	* infrequent, and I don't expect that it's performance
3430	* sensitive -- jpeach
3431	*/
3432	for (i = 0, sid_bytes = 0;
3433	i < conn->session_info->security_token->num_sids; ++i) {
3434	sid_bytes += ndr_size_dom_sid(
3435	&conn->session_info->security_token->sids[i],
3436	0);
3437	}
3438
3439	/* SID list byte count */
3440	SIVAL(pdata, 32, sid_bytes);
3441
3442	/* 4 bytes pad/reserved - must be zero */
3443	SIVAL(pdata, 36, 0);
3444	data_len = 40;
3445
3446	/* GID list */
3447	for (i = 0; i < conn->session_info->utok.ngroups; ++i) {
3448	SBIG_UINT(pdata, data_len,
3449	(uint64_t)conn->session_info->utok.groups[i]);
3450	data_len += 8;
3451	}
3452
3453	/* SID list */
3454	for (i = 0;
3455	i < conn->session_info->security_token->num_sids; ++i) {
3456	int sid_len = ndr_size_dom_sid(
3457	&conn->session_info->security_token->sids[i],
3458	0);
3459
3460	sid_linearize(pdata + data_len, sid_len,
3461	&conn->session_info->security_token->sids[i]);
3462	data_len += sid_len;
3463	}
3464
3465	break;
3466	}
3467
3468	case SMB_MAC_QUERY_FS_INFO:
3469	/*
3470	* Thursby MAC extension... ONLY on NTFS filesystems
3471	* once we do streams then we don't need this
3472	*/
3473	if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3474	data_len = 88;
3475	SIVAL(pdata,84,0x100); /* Don't support mac... */
3476	break;
3477	}
3478	/* drop through */
3479	default:
3480	return NT_STATUS_INVALID_LEVEL;
3481	}
3482
3483	*ret_data_len = data_len;
3484	return NT_STATUS_OK;
3485	}
3486
3487	/****************************************************************************
3488	Reply to a TRANS2_QFSINFO (query filesystem info).
3489	****************************************************************************/
3490
3491	static void call_trans2qfsinfo(connection_struct *conn,
3492	struct smb_request *req,
3493	char **pparams, int total_params,
3494	char **ppdata, int total_data,
3495	unsigned int max_data_bytes)
3496	{
3497	char params = pparams;
3498	uint16_t info_level;
3499	int data_len = 0;
3500	NTSTATUS status;
3501
3502	if (total_params < 2) {
3503	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3504	return;
3505	}
3506
3507	info_level = SVAL(params,0);
3508
3509	if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3510	if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
3511	DEBUG(0,("call_trans2qfsinfo: encryption required "
3512	"and info level 0x%x sent.\n",
3513	(unsigned int)info_level));
3514	exit_server_cleanly("encryption required "
3515	"on connection");
3516	return;
3517	}
3518	}
3519
3520	DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
3521
3522	status = smbd_do_qfsinfo(conn, req,
3523	info_level,
3524	req->flags2,
3525	max_data_bytes,
3526	ppdata, &data_len);
3527	if (!NT_STATUS_IS_OK(status)) {
3528	reply_nterror(req, status);
3529	return;
3530	}
3531
3532	send_trans2_replies(conn, req, params, 0, *ppdata, data_len,
3533	max_data_bytes);
3534
3535	DEBUG( 4, ( "%s info_level = %d\n",
3536	smb_fn_name(req->cmd), info_level) );
3537
3538	return;
3539	}
3540
3541	/****************************************************************************
3542	Reply to a TRANS2_SETFSINFO (set filesystem info).
3543	****************************************************************************/
3544
3545	static void call_trans2setfsinfo(connection_struct *conn,
3546	struct smb_request *req,
3547	char **pparams, int total_params,
3548	char **ppdata, int total_data,
3549	unsigned int max_data_bytes)
3550	{
3551	char pdata = ppdata;
3552	char params = pparams;
3553	uint16 info_level;
3554
3555	DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3556
3557	/* */
3558	if (total_params < 4) {
3559	DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3560	total_params));
3561	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3562	return;
3563	}
3564
3565	info_level = SVAL(params,2);
3566
3567	if (IS_IPC(conn)) {
3568	if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3569	info_level != SMB_SET_CIFS_UNIX_INFO) {
3570	DEBUG(0,("call_trans2setfsinfo: not an allowed "
3571	"info level (0x%x) on IPC$.\n",
3572	(unsigned int)info_level));
3573	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3574	return;
3575	}
3576	}
3577
3578	if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3579	if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3580	DEBUG(0,("call_trans2setfsinfo: encryption required "
3581	"and info level 0x%x sent.\n",
3582	(unsigned int)info_level));
3583	exit_server_cleanly("encryption required "
3584	"on connection");
3585	return;
3586	}
3587	}
3588
3589	switch(info_level) {
3590	case SMB_SET_CIFS_UNIX_INFO:
3591	{
3592	uint16 client_unix_major;
3593	uint16 client_unix_minor;
3594	uint32 client_unix_cap_low;
3595	uint32 client_unix_cap_high;
3596
3597	if (!lp_unix_extensions()) {
3598	reply_nterror(req,
3599	NT_STATUS_INVALID_LEVEL);
3600	return;
3601	}
3602
3603	/* There should be 12 bytes of capabilities set. */
3604	if (total_data < 8) {
3605	reply_nterror(
3606	req,
3607	NT_STATUS_INVALID_PARAMETER);
3608	return;
3609	}
3610	client_unix_major = SVAL(pdata,0);
3611	client_unix_minor = SVAL(pdata,2);
3612	client_unix_cap_low = IVAL(pdata,4);
3613	client_unix_cap_high = IVAL(pdata,8);
3614	/* Just print these values for now. */
3615	DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3616	cap_low = 0x%x, cap_high = 0x%x\n",
3617	(unsigned int)client_unix_major,
3618	(unsigned int)client_unix_minor,
3619	(unsigned int)client_unix_cap_low,
3620	(unsigned int)client_unix_cap_high ));
3621
3622	/* Here is where we must switch to posix pathname processing... */
3623	if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3624	lp_set_posix_pathnames();
3625	mangle_change_to_posix();
3626	}
3627
3628	if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3629	!(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3630	/* Client that knows how to do posix locks,
3631	* but not posix open/mkdir operations. Set a
3632	* default type for read/write checks. */
3633
3634	lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3635
3636	}
3637	break;
3638	}
3639
3640	case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3641	{
3642	NTSTATUS status;
3643	size_t param_len = 0;
3644	size_t data_len = total_data;
3645
3646	if (!lp_unix_extensions()) {
3647	reply_nterror(
3648	req,
3649	NT_STATUS_INVALID_LEVEL);
3650	return;
3651	}
3652
3653	if (lp_smb_encrypt(SNUM(conn)) == false) {
3654	reply_nterror(
3655	req,
3656	NT_STATUS_NOT_SUPPORTED);
3657	return;
3658	}
3659
3660	if (req->sconn->smb1.echo_handler.trusted_fde) {
3661	DEBUG( 2,("call_trans2setfsinfo: "
3662	"request transport encryption disabled"
3663	"with 'fork echo handler = yes'\n"));
3664	reply_nterror(
3665	req,
3666	NT_STATUS_NOT_SUPPORTED);
3667	return;
3668	}
3669
3670	DEBUG( 4,("call_trans2setfsinfo: "
3671	"request transport encryption.\n"));
3672
3673	status = srv_request_encryption_setup(conn,
3674	(unsigned char **)ppdata,
3675	&data_len,
3676	(unsigned char **)pparams,
3677	&param_len);
3678
3679	if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3680	!NT_STATUS_IS_OK(status)) {
3681	reply_nterror(req, status);
3682	return;
3683	}
3684
3685	send_trans2_replies(conn, req,
3686	*pparams,
3687	param_len,
3688	*ppdata,
3689	data_len,
3690	max_data_bytes);
3691
3692	if (NT_STATUS_IS_OK(status)) {
3693	/* Server-side transport
3694	* encryption is now on. */
3695	status = srv_encryption_start(conn);
3696	if (!NT_STATUS_IS_OK(status)) {
3697	exit_server_cleanly(
3698	"Failure in setting "
3699	"up encrypted transport");
3700	}
3701	}
3702	return;
3703	}
3704
3705	case SMB_FS_QUOTA_INFORMATION:
3706	{
3707	files_struct *fsp = NULL;
3708	SMB_NTQUOTA_STRUCT quotas;
3709
3710	ZERO_STRUCT(quotas);
3711
3712	/* access check */
3713	if ((get_current_uid(conn) != 0) \|\| !CAN_WRITE(conn)) {
3714	DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3715	lp_servicename(SNUM(conn)),
3716	conn->session_info->unix_name));
3717	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3718	return;
3719	}
3720
3721	/* note: normaly there're 48 bytes,
3722	* but we didn't use the last 6 bytes for now
3723	* --metze
3724	*/
3725	fsp = file_fsp(req, SVAL(params,0));
3726
3727	if (!check_fsp_ntquota_handle(conn, req,
3728	fsp)) {
3729	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3730	reply_nterror(
3731	req, NT_STATUS_INVALID_HANDLE);
3732	return;
3733	}
3734
3735	if (total_data < 42) {
3736	DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3737	total_data));
3738	reply_nterror(
3739	req,
3740	NT_STATUS_INVALID_PARAMETER);
3741	return;
3742	}
3743
3744	/* unknown_1 24 NULL bytes in pdata*/
3745
3746	/* the soft quotas 8 bytes (uint64_t)*/
3747	quotas.softlim = BVAL(pdata,24);
3748
3749	/* the hard quotas 8 bytes (uint64_t)*/
3750	quotas.hardlim = BVAL(pdata,32);
3751
3752	/* quota_flags 2 bytes **/
3753	quotas.qflags = SVAL(pdata,40);
3754
3755	/* unknown_2 6 NULL bytes follow*/
3756
3757	/* now set the quotas */
3758	if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3759	DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3760	reply_nterror(req, map_nt_error_from_unix(errno));
3761	return;
3762	}
3763
3764	break;
3765	}
3766	default:
3767	DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3768	info_level));
3769	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3770	return;
3771	break;
3772	}
3773
3774	/*
3775	* sending this reply works fine,
3776	* but I'm not sure it's the same
3777	* like windows do...
3778	* --metze
3779	*/
3780	reply_outbuf(req, 10, 0);
3781	}
3782
3783	#if defined(HAVE_POSIX_ACLS)
3784	/****************************************************************************
3785	Utility function to count the number of entries in a POSIX acl.
3786	****************************************************************************/
3787
3788	static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3789	{
3790	unsigned int ace_count = 0;
3791	int entry_id = SMB_ACL_FIRST_ENTRY;
3792	SMB_ACL_ENTRY_T entry;
3793
3794	while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3795	/* get_next... */
3796	if (entry_id == SMB_ACL_FIRST_ENTRY) {
3797	entry_id = SMB_ACL_NEXT_ENTRY;
3798	}
3799	ace_count++;
3800	}
3801	return ace_count;
3802	}
3803
3804	/****************************************************************************
3805	Utility function to marshall a POSIX acl into wire format.
3806	****************************************************************************/
3807
3808	static bool marshall_posix_acl(connection_struct conn, char pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3809	{
3810	int entry_id = SMB_ACL_FIRST_ENTRY;
3811	SMB_ACL_ENTRY_T entry;
3812
3813	while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3814	SMB_ACL_TAG_T tagtype;
3815	SMB_ACL_PERMSET_T permset;
3816	unsigned char perms = 0;
3817	unsigned int own_grp;
3818
3819	/* get_next... */
3820	if (entry_id == SMB_ACL_FIRST_ENTRY) {
3821	entry_id = SMB_ACL_NEXT_ENTRY;
3822	}
3823
3824	if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3825	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3826	return False;
3827	}
3828
3829	if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3830	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3831	return False;
3832	}
3833
3834	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3835	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3836	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3837
3838	SCVAL(pdata,1,perms);
3839
3840	switch (tagtype) {
3841	case SMB_ACL_USER_OBJ:
3842	SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3843	own_grp = (unsigned int)pst->st_ex_uid;
3844	SIVAL(pdata,2,own_grp);
3845	SIVAL(pdata,6,0);
3846	break;
3847	case SMB_ACL_USER:
3848	{
3849	uid_t puid = (uid_t )SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3850	if (!puid) {
3851	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3852	return False;
3853	}
3854	own_grp = (unsigned int)*puid;
3855	SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3856	SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3857	SIVAL(pdata,2,own_grp);
3858	SIVAL(pdata,6,0);
3859	break;
3860	}
3861	case SMB_ACL_GROUP_OBJ:
3862	SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3863	own_grp = (unsigned int)pst->st_ex_gid;
3864	SIVAL(pdata,2,own_grp);
3865	SIVAL(pdata,6,0);
3866	break;
3867	case SMB_ACL_GROUP:
3868	{
3869	gid_t pgid= (gid_t )SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3870	if (!pgid) {
3871	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3872	return False;
3873	}
3874	own_grp = (unsigned int)*pgid;
3875	SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3876	SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3877	SIVAL(pdata,2,own_grp);
3878	SIVAL(pdata,6,0);
3879	break;
3880	}
3881	case SMB_ACL_MASK:
3882	SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3883	SIVAL(pdata,2,0xFFFFFFFF);
3884	SIVAL(pdata,6,0xFFFFFFFF);
3885	break;
3886	case SMB_ACL_OTHER:
3887	SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3888	SIVAL(pdata,2,0xFFFFFFFF);
3889	SIVAL(pdata,6,0xFFFFFFFF);
3890	break;
3891	default:
3892	DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3893	return False;
3894	}
3895	pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3896	}
3897
3898	return True;
3899	}
3900	#endif
3901
3902	/****************************************************************************
3903	Store the FILE_UNIX_BASIC info.
3904	****************************************************************************/
3905
3906	static char store_file_unix_basic(connection_struct conn,
3907	char *pdata,
3908	files_struct *fsp,
3909	const SMB_STRUCT_STAT *psbuf)
3910	{
3911	uint64_t file_index = get_FileIndex(conn, psbuf);
3912
3913	DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3914	DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_ex_mode));
3915
3916	SOFF_T(pdata,0,get_file_size_stat(psbuf)); /* File size 64 Bit */
3917	pdata += 8;
3918
3919	SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3920	pdata += 8;
3921
3922	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata, psbuf->st_ex_ctime); /* Change Time 64 Bit */
3923	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER ,pdata+8, psbuf->st_ex_atime); /* Last access time 64 Bit */
3924	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata+16, psbuf->st_ex_mtime); /* Last modification time 64 Bit */
3925	pdata += 24;
3926
3927	SIVAL(pdata,0,psbuf->st_ex_uid); /* user id for the owner */
3928	SIVAL(pdata,4,0);
3929	pdata += 8;
3930
3931	SIVAL(pdata,0,psbuf->st_ex_gid); /* group id of owner */
3932	SIVAL(pdata,4,0);
3933	pdata += 8;
3934
3935	SIVAL(pdata,0,unix_filetype(psbuf->st_ex_mode));
3936	pdata += 4;
3937
3938	SIVAL(pdata,0,unix_dev_major(psbuf->st_ex_rdev)); /* Major device number if type is device */
3939	SIVAL(pdata,4,0);
3940	pdata += 8;
3941
3942	SIVAL(pdata,0,unix_dev_minor(psbuf->st_ex_rdev)); /* Minor device number if type is device */
3943	SIVAL(pdata,4,0);
3944	pdata += 8;
3945
3946	SINO_T_VAL(pdata,0,(SMB_INO_T)file_index); /* inode number */
3947	pdata += 8;
3948
3949	SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_ex_mode)); /* Standard UNIX file permissions */
3950	SIVAL(pdata,4,0);
3951	pdata += 8;
3952
3953	SIVAL(pdata,0,psbuf->st_ex_nlink); /* number of hard links */
3954	SIVAL(pdata,4,0);
3955	pdata += 8;
3956
3957	return pdata;
3958	}
3959
3960	/* Forward and reverse mappings from the UNIX_INFO2 file flags field and
3961	* the chflags(2) (or equivalent) flags.
3962	*
3963	* XXX: this really should be behind the VFS interface. To do this, we would
3964	* need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
3965	* Each VFS module could then implement its own mapping as appropriate for the
3966	* platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
3967	*/
3968	static const struct {unsigned stat_fflag; unsigned smb_fflag;}
3969	info2_flags_map[] =
3970	{
3971	#ifdef UF_NODUMP
3972	{ UF_NODUMP, EXT_DO_NOT_BACKUP },
3973	#endif
3974
3975	#ifdef UF_IMMUTABLE
3976	{ UF_IMMUTABLE, EXT_IMMUTABLE },
3977	#endif
3978
3979	#ifdef UF_APPEND
3980	{ UF_APPEND, EXT_OPEN_APPEND_ONLY },
3981	#endif
3982
3983	#ifdef UF_HIDDEN
3984	{ UF_HIDDEN, EXT_HIDDEN },
3985	#endif
3986
3987	/* Do not remove. We need to guarantee that this array has at least one
3988	* entry to build on HP-UX.
3989	*/
3990	{ 0, 0 }
3991
3992	};
3993
3994	static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
3995	uint32 smb_fflags, uint32 smb_fmask)
3996	{
3997	int i;
3998
3999	for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
4000	*smb_fmask \|= info2_flags_map[i].smb_fflag;
4001	if (psbuf->st_ex_flags & info2_flags_map[i].stat_fflag) {
4002	*smb_fflags \|= info2_flags_map[i].smb_fflag;
4003	}
4004	}
4005	}
4006
4007	static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
4008	const uint32 smb_fflags,
4009	const uint32 smb_fmask,
4010	int *stat_fflags)
4011	{
4012	uint32 max_fmask = 0;
4013	int i;
4014
4015	*stat_fflags = psbuf->st_ex_flags;
4016
4017	/* For each flags requested in smb_fmask, check the state of the
4018	* corresponding flag in smb_fflags and set or clear the matching
4019	* stat flag.
4020	*/
4021
4022	for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
4023	max_fmask \|= info2_flags_map[i].smb_fflag;
4024	if (smb_fmask & info2_flags_map[i].smb_fflag) {
4025	if (smb_fflags & info2_flags_map[i].smb_fflag) {
4026	*stat_fflags \|= info2_flags_map[i].stat_fflag;
4027	} else {
4028	*stat_fflags &= ~info2_flags_map[i].stat_fflag;
4029	}
4030	}
4031	}
4032
4033	/* If smb_fmask is asking to set any bits that are not supported by
4034	* our flag mappings, we should fail.
4035	*/
4036	if ((smb_fmask & max_fmask) != smb_fmask) {
4037	return False;
4038	}
4039
4040	return True;
4041	}
4042
4043
4044	/* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
4045	* of file flags and birth (create) time.
4046	*/
4047	static char store_file_unix_basic_info2(connection_struct conn,
4048	char *pdata,
4049	files_struct *fsp,
4050	const SMB_STRUCT_STAT *psbuf)
4051	{
4052	uint32 file_flags = 0;
4053	uint32 flags_mask = 0;
4054
4055	pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4056
4057	/* Create (birth) time 64 bit */
4058	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER,pdata, psbuf->st_ex_btime);
4059	pdata += 8;
4060
4061	map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
4062	SIVAL(pdata, 0, file_flags); /* flags */
4063	SIVAL(pdata, 4, flags_mask); /* mask */
4064	pdata += 8;
4065
4066	return pdata;
4067	}
4068
4069	static NTSTATUS marshall_stream_info(unsigned int num_streams,
4070	const struct stream_struct *streams,
4071	char *data,
4072	unsigned int max_data_bytes,
4073	unsigned int *data_size)
4074	{
4075	unsigned int i;
4076	unsigned int ofs = 0;
4077
4078	for (i = 0; i < num_streams && ofs <= max_data_bytes; i++) {
4079	unsigned int next_offset;
4080	size_t namelen;
4081	smb_ucs2_t *namebuf;
4082
4083	if (!push_ucs2_talloc(talloc_tos(), &namebuf,
4084	streams[i].name, &namelen) \|\|
4085	namelen <= 2)
4086	{
4087	return NT_STATUS_INVALID_PARAMETER;
4088	}
4089
4090	/*
4091	* name_buf is now null-terminated, we need to marshall as not
4092	* terminated
4093	*/
4094
4095	namelen -= 2;
4096
4097	SIVAL(data, ofs+4, namelen);
4098	SOFF_T(data, ofs+8, streams[i].size);
4099	SOFF_T(data, ofs+16, streams[i].alloc_size);
4100	memcpy(data+ofs+24, namebuf, namelen);
4101	TALLOC_FREE(namebuf);
4102
4103	next_offset = ofs + 24 + namelen;
4104
4105	if (i == num_streams-1) {
4106	SIVAL(data, ofs, 0);
4107	}
4108	else {
4109	unsigned int align = ndr_align_size(next_offset, 8);
4110
4111	memset(data+next_offset, 0, align);
4112	next_offset += align;
4113
4114	SIVAL(data, ofs, next_offset - ofs);
4115	ofs = next_offset;
4116	}
4117
4118	ofs = next_offset;
4119	}
4120
4121	*data_size = ofs;
4122
4123	return NT_STATUS_OK;
4124	}
4125
4126	/****************************************************************************
4127	Reply to a TRANSACT2_QFILEINFO on a PIPE !
4128	****************************************************************************/
4129
4130	static void call_trans2qpipeinfo(connection_struct *conn,
4131	struct smb_request *req,
4132	unsigned int tran_call,
4133	char **pparams, int total_params,
4134	char **ppdata, int total_data,
4135	unsigned int max_data_bytes)
4136	{
4137	char params = pparams;
4138	char pdata = ppdata;
4139	unsigned int data_size = 0;
4140	unsigned int param_size = 2;
4141	uint16 info_level;
4142	files_struct *fsp;
4143
4144	if (!params) {
4145	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4146	return;
4147	}
4148
4149	if (total_params < 4) {
4150	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4151	return;
4152	}
4153
4154	fsp = file_fsp(req, SVAL(params,0));
4155	if (!fsp_is_np(fsp)) {
4156	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4157	return;
4158	}
4159
4160	info_level = SVAL(params,2);
4161
4162	pparams = (char )SMB_REALLOC(*pparams,2);
4163	if (*pparams == NULL) {
4164	reply_nterror(req, NT_STATUS_NO_MEMORY);
4165	return;
4166	}
4167	params = *pparams;
4168	SSVAL(params,0,0);
4169	data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4170	ppdata = (char )SMB_REALLOC(*ppdata, data_size);
4171	if (*ppdata == NULL ) {
4172	reply_nterror(req, NT_STATUS_NO_MEMORY);
4173	return;
4174	}
4175	pdata = *ppdata;
4176
4177	switch (info_level) {
4178	case SMB_FILE_STANDARD_INFORMATION:
4179	memset(pdata,0,24);
4180	SOFF_T(pdata,0,4096LL);
4181	SIVAL(pdata,16,1);
4182	SIVAL(pdata,20,1);
4183	data_size = 24;
4184	break;
4185
4186	default:
4187	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4188	return;
4189	}
4190
4191	send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4192	max_data_bytes);
4193
4194	return;
4195	}
4196
4197	NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
4198	TALLOC_CTX *mem_ctx,
4199	uint16_t info_level,
4200	files_struct *fsp,
4201	struct smb_filename *smb_fname,
4202	bool delete_pending,
4203	struct timespec write_time_ts,
4204	struct ea_list *ea_list,
4205	int lock_data_count,
4206	char *lock_data,
4207	uint16_t flags2,
4208	unsigned int max_data_bytes,
4209	char **ppdata,
4210	unsigned int *pdata_size)
4211	{
4212	char pdata = ppdata;
4213	char dstart, dend;
4214	unsigned int data_size;
4215	struct timespec create_time_ts, mtime_ts, atime_ts, ctime_ts;
4216	time_t create_time, mtime, atime, c_time;
4217	SMB_STRUCT_STAT *psbuf = &smb_fname->st;
4218	char *p;
4219	char *base_name;
4220	char *dos_fname;
4221	int mode;
4222	int nlink;
4223	NTSTATUS status;
4224	uint64_t file_size = 0;
4225	uint64_t pos = 0;
4226	uint64_t allocation_size = 0;
4227	uint64_t file_index = 0;
4228	uint32_t access_mask = 0;
4229
4230	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4231	return NT_STATUS_INVALID_LEVEL;
4232	}
4233
4234	DEBUG(5,("smbd_do_qfilepathinfo: %s (fnum = %d) level=%d max_data=%u\n",
4235	smb_fname_str_dbg(smb_fname), fsp ? fsp->fnum : -1,
4236	info_level, max_data_bytes));
4237
4238	mode = dos_mode(conn, smb_fname);
4239	nlink = psbuf->st_ex_nlink;
4240
4241	if (nlink && (mode&FILE_ATTRIBUTE_DIRECTORY)) {
4242	nlink = 1;
4243	}
4244
4245	if ((nlink > 0) && delete_pending) {
4246	nlink -= 1;
4247	}
4248
4249	data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4250	ppdata = (char )SMB_REALLOC(*ppdata, data_size);
4251	if (*ppdata == NULL) {
4252	return NT_STATUS_NO_MEMORY;
4253	}
4254	pdata = *ppdata;
4255	dstart = pdata;
4256	dend = dstart + data_size - 1;
4257
4258	if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4259	update_stat_ex_mtime(psbuf, write_time_ts);
4260	}
4261
4262	create_time_ts = get_create_timespec(conn, fsp, smb_fname);
4263	mtime_ts = psbuf->st_ex_mtime;
4264	atime_ts = psbuf->st_ex_atime;
4265	ctime_ts = get_change_timespec(conn, fsp, smb_fname);
4266
4267	if (lp_dos_filetime_resolution(SNUM(conn))) {
4268	dos_filetime_timespec(&create_time_ts);
4269	dos_filetime_timespec(&mtime_ts);
4270	dos_filetime_timespec(&atime_ts);
4271	dos_filetime_timespec(&ctime_ts);
4272	}
4273
4274	create_time = convert_timespec_to_time_t(create_time_ts);
4275	mtime = convert_timespec_to_time_t(mtime_ts);
4276	atime = convert_timespec_to_time_t(atime_ts);
4277	c_time = convert_timespec_to_time_t(ctime_ts);
4278
4279	p = strrchr_m(smb_fname->base_name,'/');
4280	if (!p)
4281	base_name = smb_fname->base_name;
4282	else
4283	base_name = p+1;
4284
4285	/* NT expects the name to be in an exact form of the full
4286	filename. See the trans2 torture test */
4287	if (ISDOT(base_name)) {
4288	dos_fname = talloc_strdup(mem_ctx, "\\");
4289	if (!dos_fname) {
4290	return NT_STATUS_NO_MEMORY;
4291	}
4292	} else {
4293	dos_fname = talloc_asprintf(mem_ctx,
4294	"\\%s",
4295	smb_fname->base_name);
4296	if (!dos_fname) {
4297	return NT_STATUS_NO_MEMORY;
4298	}
4299	if (is_ntfs_stream_smb_fname(smb_fname)) {
4300	dos_fname = talloc_asprintf(dos_fname, "%s",
4301	smb_fname->stream_name);
4302	if (!dos_fname) {
4303	return NT_STATUS_NO_MEMORY;
4304	}
4305	}
4306
4307	string_replace(dos_fname, '/', '\\');
4308	}
4309
4310	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp, psbuf);
4311
4312	if (!fsp) {
4313	/* Do we have this path open ? */
4314	files_struct *fsp1;
4315	struct file_id fileid = vfs_file_id_from_sbuf(conn, psbuf);
4316	fsp1 = file_find_di_first(conn->sconn, fileid);
4317	if (fsp1 && fsp1->initial_allocation_size) {
4318	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, psbuf);
4319	}
4320	}
4321
4322	if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
4323	file_size = get_file_size_stat(psbuf);
4324	}
4325
4326	if (fsp) {
4327	pos = fsp->fh->position_information;
4328	}
4329
4330	if (fsp) {
4331	access_mask = fsp->access_mask;
4332	} else {
4333	/* GENERIC_EXECUTE mapping from Windows */
4334	access_mask = 0x12019F;
4335	}
4336
4337	/* This should be an index number - looks like
4338	dev/ino to me :-)
4339
4340	I think this causes us to fail the IFSKIT
4341	BasicFileInformationTest. -tpot */
4342	file_index = get_FileIndex(conn, psbuf);
4343
4344	switch (info_level) {
4345	case SMB_INFO_STANDARD:
4346	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
4347	data_size = 22;
4348	srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4349	srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4350	srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4351	SIVAL(pdata,l1_cbFile,(uint32)file_size);
4352	SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4353	SSVAL(pdata,l1_attrFile,mode);
4354	break;
4355
4356	case SMB_INFO_QUERY_EA_SIZE:
4357	{
4358	unsigned int ea_size =
4359	estimate_ea_size(conn, fsp,
4360	smb_fname->base_name);
4361	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4362	data_size = 26;
4363	srv_put_dos_date2(pdata,0,create_time);
4364	srv_put_dos_date2(pdata,4,atime);
4365	srv_put_dos_date2(pdata,8,mtime); /* write time */
4366	SIVAL(pdata,12,(uint32)file_size);
4367	SIVAL(pdata,16,(uint32)allocation_size);
4368	SSVAL(pdata,20,mode);
4369	SIVAL(pdata,22,ea_size);
4370	break;
4371	}
4372
4373	case SMB_INFO_IS_NAME_VALID:
4374	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4375	if (fsp) {
4376	/* os/2 needs this ? really ?*/
4377	return NT_STATUS_DOS(ERRDOS, ERRbadfunc);
4378	}
4379	/* This is only reached for qpathinfo */
4380	data_size = 0;
4381	break;
4382
4383	case SMB_INFO_QUERY_EAS_FROM_LIST:
4384	{
4385	size_t total_ea_len = 0;
4386	struct ea_list *ea_file_list = NULL;
4387
4388	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4389
4390	ea_file_list =
4391	get_ea_list_from_file(mem_ctx, conn, fsp,
4392	smb_fname->base_name,
4393	&total_ea_len);
4394	ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4395
4396	if (!ea_list \|\| (total_ea_len > data_size)) {
4397	data_size = 4;
4398	SIVAL(pdata,0,4); /* EA List Length must be set to 4 if no EA's. */
4399	break;
4400	}
4401
4402	data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4403	break;
4404	}
4405
4406	case SMB_INFO_QUERY_ALL_EAS:
4407	{
4408	/* We have data_size bytes to put EA's into. */
4409	size_t total_ea_len = 0;
4410
4411	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4412
4413	ea_list = get_ea_list_from_file(mem_ctx, conn, fsp,
4414	smb_fname->base_name,
4415	&total_ea_len);
4416	if (!ea_list \|\| (total_ea_len > data_size)) {
4417	data_size = 4;
4418	SIVAL(pdata,0,4); /* EA List Length must be set to 4 if no EA's. */
4419	break;
4420	}
4421
4422	data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4423	break;
4424	}
4425
4426	case 0xFF0F:/SMB2_INFO_QUERY_ALL_EAS/
4427	{
4428	/* This is FileFullEaInformation - 0xF which maps to
4429	* 1015 (decimal) in smbd_do_setfilepathinfo. */
4430
4431	/* We have data_size bytes to put EA's into. */
4432	size_t total_ea_len = 0;
4433	struct ea_list *ea_file_list = NULL;
4434
4435	DEBUG(10,("smbd_do_qfilepathinfo: SMB2_INFO_QUERY_ALL_EAS\n"));
4436
4437	/TODO: add filtering and index handling /
4438
4439	ea_file_list =
4440	get_ea_list_from_file(mem_ctx, conn, fsp,
4441	smb_fname->base_name,
4442	&total_ea_len);
4443	if (!ea_file_list) {
4444	return NT_STATUS_NO_EAS_ON_FILE;
4445	}
4446
4447	status = fill_ea_chained_buffer(mem_ctx,
4448	pdata,
4449	data_size,
4450	&data_size,
4451	conn, ea_file_list);
4452	if (!NT_STATUS_IS_OK(status)) {
4453	return status;
4454	}
4455	break;
4456	}
4457
4458	case SMB_FILE_BASIC_INFORMATION:
4459	case SMB_QUERY_FILE_BASIC_INFO:
4460
4461	if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4462	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4463	data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4464	} else {
4465	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4466	data_size = 40;
4467	SIVAL(pdata,36,0);
4468	}
4469	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4470	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4471	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4472	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4473	SIVAL(pdata,32,mode);
4474
4475	DEBUG(5,("SMB_QFBI - "));
4476	DEBUG(5,("create: %s ", ctime(&create_time)));
4477	DEBUG(5,("access: %s ", ctime(&atime)));
4478	DEBUG(5,("write: %s ", ctime(&mtime)));
4479	DEBUG(5,("change: %s ", ctime(&c_time)));
4480	DEBUG(5,("mode: %x\n", mode));
4481	break;
4482
4483	case SMB_FILE_STANDARD_INFORMATION:
4484	case SMB_QUERY_FILE_STANDARD_INFO:
4485
4486	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4487	data_size = 24;
4488	SOFF_T(pdata,0,allocation_size);
4489	SOFF_T(pdata,8,file_size);
4490	SIVAL(pdata,16,nlink);
4491	SCVAL(pdata,20,delete_pending?1:0);
4492	SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4493	SSVAL(pdata,22,0); /* Padding. */
4494	break;
4495
4496	case SMB_FILE_EA_INFORMATION:
4497	case SMB_QUERY_FILE_EA_INFO:
4498	{
4499	unsigned int ea_size =
4500	estimate_ea_size(conn, fsp, smb_fname->base_name);
4501	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4502	data_size = 4;
4503	SIVAL(pdata,0,ea_size);
4504	break;
4505	}
4506
4507	/* Get the 8.3 name - used if NT SMB was negotiated. */
4508	case SMB_QUERY_FILE_ALT_NAME_INFO:
4509	case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4510	{
4511	int len;
4512	char mangled_name[13];
4513	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4514	if (!name_to_8_3(base_name,mangled_name,
4515	True,conn->params)) {
4516	return NT_STATUS_NO_MEMORY;
4517	}
4518	len = srvstr_push(dstart, flags2,
4519	pdata+4, mangled_name,
4520	PTR_DIFF(dend, pdata+4),
4521	STR_UNICODE);
4522	data_size = 4 + len;
4523	SIVAL(pdata,0,len);
4524	break;
4525	}
4526
4527	case SMB_QUERY_FILE_NAME_INFO:
4528	{
4529	int len;
4530	/*
4531	this must be exactly right for ACLs on mapped drives to work
4532	*/
4533	len = srvstr_push(dstart, flags2,
4534	pdata+4, dos_fname,
4535	PTR_DIFF(dend, pdata+4),
4536	STR_UNICODE);
4537	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4538	data_size = 4 + len;
4539	SIVAL(pdata,0,len);
4540	break;
4541	}
4542
4543	case SMB_FILE_ALLOCATION_INFORMATION:
4544	case SMB_QUERY_FILE_ALLOCATION_INFO:
4545	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4546	data_size = 8;
4547	SOFF_T(pdata,0,allocation_size);
4548	break;
4549
4550	case SMB_FILE_END_OF_FILE_INFORMATION:
4551	case SMB_QUERY_FILE_END_OF_FILEINFO:
4552	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4553	data_size = 8;
4554	SOFF_T(pdata,0,file_size);
4555	break;
4556
4557	case SMB_QUERY_FILE_ALL_INFO:
4558	case SMB_FILE_ALL_INFORMATION:
4559	{
4560	int len;
4561	unsigned int ea_size =
4562	estimate_ea_size(conn, fsp, smb_fname->base_name);
4563	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4564	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4565	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4566	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4567	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4568	SIVAL(pdata,32,mode);
4569	SIVAL(pdata,36,0); /* padding. */
4570	pdata += 40;
4571	SOFF_T(pdata,0,allocation_size);
4572	SOFF_T(pdata,8,file_size);
4573	SIVAL(pdata,16,nlink);
4574	SCVAL(pdata,20,delete_pending);
4575	SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4576	SSVAL(pdata,22,0);
4577	pdata += 24;
4578	SIVAL(pdata,0,ea_size);
4579	pdata += 4; /* EA info */
4580	len = srvstr_push(dstart, flags2,
4581	pdata+4, dos_fname,
4582	PTR_DIFF(dend, pdata+4),
4583	STR_UNICODE);
4584	SIVAL(pdata,0,len);
4585	pdata += 4 + len;
4586	data_size = PTR_DIFF(pdata,(*ppdata));
4587	break;
4588	}
4589
4590	case 0xFF12:/SMB2_FILE_ALL_INFORMATION/
4591	{
4592	int len;
4593	unsigned int ea_size =
4594	estimate_ea_size(conn, fsp, smb_fname->base_name);
4595	DEBUG(10,("smbd_do_qfilepathinfo: SMB2_FILE_ALL_INFORMATION\n"));
4596	put_long_date_timespec(conn->ts_res,pdata+0x00,create_time_ts);
4597	put_long_date_timespec(conn->ts_res,pdata+0x08,atime_ts);
4598	put_long_date_timespec(conn->ts_res,pdata+0x10,mtime_ts); /* write time */
4599	put_long_date_timespec(conn->ts_res,pdata+0x18,ctime_ts); /* change time */
4600	SIVAL(pdata, 0x20, mode);
4601	SIVAL(pdata, 0x24, 0); /* padding. */
4602	SBVAL(pdata, 0x28, allocation_size);
4603	SBVAL(pdata, 0x30, file_size);
4604	SIVAL(pdata, 0x38, nlink);
4605	SCVAL(pdata, 0x3C, delete_pending);
4606	SCVAL(pdata, 0x3D, (mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4607	SSVAL(pdata, 0x3E, 0); /* padding */
4608	SBVAL(pdata, 0x40, file_index);
4609	SIVAL(pdata, 0x48, ea_size);
4610	SIVAL(pdata, 0x4C, access_mask);
4611	SBVAL(pdata, 0x50, pos);
4612	SIVAL(pdata, 0x58, mode); /TODO: mode != mode fix this!!! /
4613	SIVAL(pdata, 0x5C, 0); /* No alignment needed. */
4614
4615	pdata += 0x60;
4616
4617	len = srvstr_push(dstart, flags2,
4618	pdata+4, dos_fname,
4619	PTR_DIFF(dend, pdata+4),
4620	STR_UNICODE);
4621	SIVAL(pdata,0,len);
4622	pdata += 4 + len;
4623	data_size = PTR_DIFF(pdata,(*ppdata));
4624	break;
4625	}
4626	case SMB_FILE_INTERNAL_INFORMATION:
4627
4628	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4629	SBVAL(pdata, 0, file_index);
4630	data_size = 8;
4631	break;
4632
4633	case SMB_FILE_ACCESS_INFORMATION:
4634	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4635	SIVAL(pdata, 0, access_mask);
4636	data_size = 4;
4637	break;
4638
4639	case SMB_FILE_NAME_INFORMATION:
4640	/* Pathname with leading '\'. */
4641	{
4642	size_t byte_len;
4643	byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4644	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4645	SIVAL(pdata,0,byte_len);
4646	data_size = 4 + byte_len;
4647	break;
4648	}
4649
4650	case SMB_FILE_DISPOSITION_INFORMATION:
4651	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4652	data_size = 1;
4653	SCVAL(pdata,0,delete_pending);
4654	break;
4655
4656	case SMB_FILE_POSITION_INFORMATION:
4657	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4658	data_size = 8;
4659	SOFF_T(pdata,0,pos);
4660	break;
4661
4662	case SMB_FILE_MODE_INFORMATION:
4663	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4664	SIVAL(pdata,0,mode);
4665	data_size = 4;
4666	break;
4667
4668	case SMB_FILE_ALIGNMENT_INFORMATION:
4669	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4670	SIVAL(pdata,0,0); /* No alignment needed. */
4671	data_size = 4;
4672	break;
4673
4674	/*
4675	* NT4 server just returns "invalid query" to this - if we try
4676	* to answer it then NTws gets a BSOD! (tridge). W2K seems to
4677	* want this. JRA.
4678	*/
4679	/* The first statement above is false - verified using Thursby
4680	* client against NT4 -- gcolley.
4681	*/
4682	case SMB_QUERY_FILE_STREAM_INFO:
4683	case SMB_FILE_STREAM_INFORMATION: {
4684	unsigned int num_streams = 0;
4685	struct stream_struct *streams = NULL;
4686
4687	DEBUG(10,("smbd_do_qfilepathinfo: "
4688	"SMB_FILE_STREAM_INFORMATION\n"));
4689
4690	if (is_ntfs_stream_smb_fname(smb_fname)) {
4691	return NT_STATUS_INVALID_PARAMETER;
4692	}
4693
4694	status = vfs_streaminfo(conn, fsp, smb_fname->base_name,
4695	talloc_tos(), &num_streams, &streams);
4696
4697	if (!NT_STATUS_IS_OK(status)) {
4698	DEBUG(10, ("could not get stream info: %s\n",
4699	nt_errstr(status)));
4700	return status;
4701	}
4702
4703	status = marshall_stream_info(num_streams, streams,
4704	pdata, max_data_bytes,
4705	&data_size);
4706
4707	if (!NT_STATUS_IS_OK(status)) {
4708	DEBUG(10, ("marshall_stream_info failed: %s\n",
4709	nt_errstr(status)));
4710	return status;
4711	}
4712
4713	TALLOC_FREE(streams);
4714
4715	break;
4716	}
4717	case SMB_QUERY_COMPRESSION_INFO:
4718	case SMB_FILE_COMPRESSION_INFORMATION:
4719	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4720	SOFF_T(pdata,0,file_size);
4721	SIVAL(pdata,8,0); /* ??? */
4722	SIVAL(pdata,12,0); /* ??? */
4723	data_size = 16;
4724	break;
4725
4726	case SMB_FILE_NETWORK_OPEN_INFORMATION:
4727	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4728	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4729	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4730	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4731	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4732	SOFF_T(pdata,32,allocation_size);
4733	SOFF_T(pdata,40,file_size);
4734	SIVAL(pdata,48,mode);
4735	SIVAL(pdata,52,0); /* ??? */
4736	data_size = 56;
4737	break;
4738
4739	case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4740	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4741	SIVAL(pdata,0,mode);
4742	SIVAL(pdata,4,0);
4743	data_size = 8;
4744	break;
4745
4746	/*
4747	* CIFS UNIX Extensions.
4748	*/
4749
4750	case SMB_QUERY_FILE_UNIX_BASIC:
4751
4752	pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4753	data_size = PTR_DIFF(pdata,(*ppdata));
4754
4755	DEBUG(4,("smbd_do_qfilepathinfo: "
4756	"SMB_QUERY_FILE_UNIX_BASIC\n"));
4757	dump_data(4, (uint8_t )(ppdata), data_size);
4758
4759	break;
4760
4761	case SMB_QUERY_FILE_UNIX_INFO2:
4762
4763	pdata = store_file_unix_basic_info2(conn, pdata, fsp, psbuf);
4764	data_size = PTR_DIFF(pdata,(*ppdata));
4765
4766	{
4767	int i;
4768	DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4769
4770	for (i=0; i<100; i++)
4771	DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4772	DEBUG(4,("\n"));
4773	}
4774
4775	break;
4776
4777	case SMB_QUERY_FILE_UNIX_LINK:
4778	{
4779	int len;
4780	char *buffer = TALLOC_ARRAY(mem_ctx, char, PATH_MAX+1);
4781
4782	if (!buffer) {
4783	return NT_STATUS_NO_MEMORY;
4784	}
4785
4786	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4787	#ifdef S_ISLNK
4788	if(!S_ISLNK(psbuf->st_ex_mode)) {
4789	return NT_STATUS_DOS(ERRSRV, ERRbadlink);
4790	}
4791	#else
4792	return NT_STATUS_DOS(ERRDOS, ERRbadlink);
4793	#endif
4794	len = SMB_VFS_READLINK(conn,
4795	smb_fname->base_name,
4796	buffer, PATH_MAX);
4797	if (len == -1) {
4798	return map_nt_error_from_unix(errno);
4799	}
4800	buffer[len] = 0;
4801	len = srvstr_push(dstart, flags2,
4802	pdata, buffer,
4803	PTR_DIFF(dend, pdata),
4804	STR_TERMINATE);
4805	pdata += len;
4806	data_size = PTR_DIFF(pdata,(*ppdata));
4807
4808	break;
4809	}
4810
4811	#if defined(HAVE_POSIX_ACLS)
4812	case SMB_QUERY_POSIX_ACL:
4813	{
4814	SMB_ACL_T file_acl = NULL;
4815	SMB_ACL_T def_acl = NULL;
4816	uint16 num_file_acls = 0;
4817	uint16 num_def_acls = 0;
4818
4819	if (fsp && fsp->fh->fd != -1) {
4820	file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4821	} else {
4822	file_acl =
4823	SMB_VFS_SYS_ACL_GET_FILE(conn,
4824	smb_fname->base_name,
4825	SMB_ACL_TYPE_ACCESS);
4826	}
4827
4828	if (file_acl == NULL && no_acl_syscall_error(errno)) {
4829	DEBUG(5,("smbd_do_qfilepathinfo: ACLs "
4830	"not implemented on "
4831	"filesystem containing %s\n",
4832	smb_fname->base_name));
4833	return NT_STATUS_NOT_IMPLEMENTED;
4834	}
4835
4836	if (S_ISDIR(psbuf->st_ex_mode)) {
4837	if (fsp && fsp->is_directory) {
4838	def_acl =
4839	SMB_VFS_SYS_ACL_GET_FILE(
4840	conn,
4841	fsp->fsp_name->base_name,
4842	SMB_ACL_TYPE_DEFAULT);
4843	} else {
4844	def_acl =
4845	SMB_VFS_SYS_ACL_GET_FILE(
4846	conn,
4847	smb_fname->base_name,
4848	SMB_ACL_TYPE_DEFAULT);
4849	}
4850	def_acl = free_empty_sys_acl(conn, def_acl);
4851	}
4852
4853	num_file_acls = count_acl_entries(conn, file_acl);
4854	num_def_acls = count_acl_entries(conn, def_acl);
4855
4856	if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4857	DEBUG(5,("smbd_do_qfilepathinfo: data_size too small (%u) need %u\n",
4858	data_size,
4859	(unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4860	SMB_POSIX_ACL_HEADER_SIZE) ));
4861	if (file_acl) {
4862	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4863	}
4864	if (def_acl) {
4865	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4866	}
4867	return NT_STATUS_BUFFER_TOO_SMALL;
4868	}
4869
4870	SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4871	SSVAL(pdata,2,num_file_acls);
4872	SSVAL(pdata,4,num_def_acls);
4873	if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, psbuf, file_acl)) {
4874	if (file_acl) {
4875	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4876	}
4877	if (def_acl) {
4878	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4879	}
4880	return NT_STATUS_INTERNAL_ERROR;
4881	}
4882	if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), psbuf, def_acl)) {
4883	if (file_acl) {
4884	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4885	}
4886	if (def_acl) {
4887	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4888	}
4889	return NT_STATUS_INTERNAL_ERROR;
4890	}
4891
4892	if (file_acl) {
4893	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4894	}
4895	if (def_acl) {
4896	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4897	}
4898	data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
4899	break;
4900	}
4901	#endif
4902
4903
4904	case SMB_QUERY_POSIX_LOCK:
4905	{
4906	uint64_t count;
4907	uint64_t offset;
4908	uint64_t smblctx;
4909	enum brl_type lock_type;
4910
4911	/* We need an open file with a real fd for this. */
4912	if (!fsp \|\| fsp->fh->fd == -1) {
4913	return NT_STATUS_INVALID_LEVEL;
4914	}
4915
4916	if (lock_data_count != POSIX_LOCK_DATA_SIZE) {
4917	return NT_STATUS_INVALID_PARAMETER;
4918	}
4919
4920	switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
4921	case POSIX_LOCK_TYPE_READ:
4922	lock_type = READ_LOCK;
4923	break;
4924	case POSIX_LOCK_TYPE_WRITE:
4925	lock_type = WRITE_LOCK;
4926	break;
4927	case POSIX_LOCK_TYPE_UNLOCK:
4928	default:
4929	/* There's no point in asking for an unlock... */
4930	return NT_STATUS_INVALID_PARAMETER;
4931	}
4932
4933	smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
4934	#if defined(HAVE_LONGLONG)
4935	offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) \|
4936	((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
4937	count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) \|
4938	((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
4939	#else /* HAVE_LONGLONG */
4940	offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
4941	count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
4942	#endif /* HAVE_LONGLONG */
4943
4944	status = query_lock(fsp,
4945	&smblctx,
4946	&count,
4947	&offset,
4948	&lock_type,
4949	POSIX_LOCK);
4950
4951	if (ERROR_WAS_LOCK_DENIED(status)) {
4952	/* Here we need to report who has it locked... */
4953	data_size = POSIX_LOCK_DATA_SIZE;
4954
4955	SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
4956	SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
4957	SIVAL(pdata, POSIX_LOCK_PID_OFFSET, (uint32_t)smblctx);
4958	#if defined(HAVE_LONGLONG)
4959	SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
4960	SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
4961	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
4962	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
4963	#else /* HAVE_LONGLONG */
4964	SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
4965	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
4966	#endif /* HAVE_LONGLONG */
4967
4968	} else if (NT_STATUS_IS_OK(status)) {
4969	/* For success we just return a copy of what we sent
4970	with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
4971	data_size = POSIX_LOCK_DATA_SIZE;
4972	memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
4973	SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
4974	} else {
4975	return status;
4976	}
4977	break;
4978	}
4979
4980	default:
4981	return NT_STATUS_INVALID_LEVEL;
4982	}
4983
4984	*pdata_size = data_size;
4985	return NT_STATUS_OK;
4986	}
4987
4988	/****************************************************************************
4989	Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
4990	file name or file id).
4991	****************************************************************************/
4992
4993	static void call_trans2qfilepathinfo(connection_struct *conn,
4994	struct smb_request *req,
4995	unsigned int tran_call,
4996	char **pparams, int total_params,
4997	char **ppdata, int total_data,
4998	unsigned int max_data_bytes)
4999	{
5000	char params = pparams;
5001	char pdata = ppdata;
5002	uint16 info_level;
5003	unsigned int data_size = 0;
5004	unsigned int param_size = 2;
5005	struct smb_filename *smb_fname = NULL;
5006	bool delete_pending = False;
5007	struct timespec write_time_ts;
5008	files_struct *fsp = NULL;
5009	struct file_id fileid;
5010	struct ea_list *ea_list = NULL;
5011	int lock_data_count = 0;
5012	char *lock_data = NULL;
5013	NTSTATUS status = NT_STATUS_OK;
5014
5015	if (!params) {
5016	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5017	return;
5018	}
5019
5020	ZERO_STRUCT(write_time_ts);
5021
5022	if (tran_call == TRANSACT2_QFILEINFO) {
5023	if (total_params < 4) {
5024	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5025	return;
5026	}
5027
5028	if (IS_IPC(conn)) {
5029	call_trans2qpipeinfo(conn, req, tran_call,
5030	pparams, total_params,
5031	ppdata, total_data,
5032	max_data_bytes);
5033	return;
5034	}
5035
5036	fsp = file_fsp(req, SVAL(params,0));
5037	info_level = SVAL(params,2);
5038
5039	DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
5040
5041	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
5042	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5043	return;
5044	}
5045
5046	/* Initial check for valid fsp ptr. */
5047	if (!check_fsp_open(conn, req, fsp)) {
5048	return;
5049	}
5050
5051	status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
5052	&smb_fname);
5053	if (!NT_STATUS_IS_OK(status)) {
5054	reply_nterror(req, status);
5055	return;
5056	}
5057
5058	if(fsp->fake_file_handle) {
5059	/*
5060	* This is actually for the QUOTA_FAKE_FILE --metze
5061	*/
5062
5063	/* We know this name is ok, it's already passed the checks. */
5064
5065	} else if(fsp->fh->fd == -1) {
5066	/*
5067	* This is actually a QFILEINFO on a directory
5068	* handle (returned from an NT SMB). NT5.0 seems
5069	* to do this call. JRA.
5070	*/
5071
5072	if (INFO_LEVEL_IS_UNIX(info_level)) {
5073	/* Always do lstat for UNIX calls. */
5074	if (SMB_VFS_LSTAT(conn, smb_fname)) {
5075	DEBUG(3,("call_trans2qfilepathinfo: "
5076	"SMB_VFS_LSTAT of %s failed "
5077	"(%s)\n",
5078	smb_fname_str_dbg(smb_fname),
5079	strerror(errno)));
5080	reply_nterror(req,
5081	map_nt_error_from_unix(errno));
5082	return;
5083	}
5084	} else if (SMB_VFS_STAT(conn, smb_fname)) {
5085	DEBUG(3,("call_trans2qfilepathinfo: "
5086	"SMB_VFS_STAT of %s failed (%s)\n",
5087	smb_fname_str_dbg(smb_fname),
5088	strerror(errno)));
5089	reply_nterror(req,
5090	map_nt_error_from_unix(errno));
5091	return;
5092	}
5093
5094	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5095	get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5096	} else {
5097	/*
5098	* Original code - this is an open file.
5099	*/
5100	if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
5101	DEBUG(3, ("fstat of fnum %d failed (%s)\n",
5102	fsp->fnum, strerror(errno)));
5103	reply_nterror(req,
5104	map_nt_error_from_unix(errno));
5105	return;
5106	}
5107	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5108	get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5109	}
5110
5111	} else {
5112	uint32_t name_hash;
5113	char *fname = NULL;
5114	uint32_t ucf_flags = 0;
5115
5116	/* qpathinfo */
5117	if (total_params < 7) {
5118	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5119	return;
5120	}
5121
5122	info_level = SVAL(params,0);
5123
5124	DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
5125
5126	if (INFO_LEVEL_IS_UNIX(info_level)) {
5127	if (!lp_unix_extensions()) {
5128	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5129	return;
5130	}
5131	if (info_level == SMB_QUERY_FILE_UNIX_BASIC \|\|
5132	info_level == SMB_QUERY_FILE_UNIX_INFO2 \|\|
5133	info_level == SMB_QUERY_FILE_UNIX_LINK) {
5134	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
5135	}
5136	}
5137
5138	srvstr_get_path(req, params, req->flags2, &fname, &params[6],
5139	total_params - 6,
5140	STR_TERMINATE, &status);
5141	if (!NT_STATUS_IS_OK(status)) {
5142	reply_nterror(req, status);
5143	return;
5144	}
5145
5146	status = filename_convert(req,
5147	conn,
5148	req->flags2 & FLAGS2_DFS_PATHNAMES,
5149	fname,
5150	ucf_flags,
5151	NULL,
5152	&smb_fname);
5153	if (!NT_STATUS_IS_OK(status)) {
5154	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5155	reply_botherror(req,
5156	NT_STATUS_PATH_NOT_COVERED,
5157	ERRSRV, ERRbadpath);
5158	return;
5159	}
5160	reply_nterror(req, status);
5161	return;
5162	}
5163
5164	/* If this is a stream, check if there is a delete_pending. */
5165	if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
5166	&& is_ntfs_stream_smb_fname(smb_fname)) {
5167	struct smb_filename *smb_fname_base = NULL;
5168
5169	/* Create an smb_filename with stream_name == NULL. */
5170	status =
5171	create_synthetic_smb_fname(talloc_tos(),
5172	smb_fname->base_name,
5173	NULL, NULL,
5174	&smb_fname_base);
5175	if (!NT_STATUS_IS_OK(status)) {
5176	reply_nterror(req, status);
5177	return;
5178	}
5179
5180	if (INFO_LEVEL_IS_UNIX(info_level)) {
5181	/* Always do lstat for UNIX calls. */
5182	if (SMB_VFS_LSTAT(conn, smb_fname_base) != 0) {
5183	DEBUG(3,("call_trans2qfilepathinfo: "
5184	"SMB_VFS_LSTAT of %s failed "
5185	"(%s)\n",
5186	smb_fname_str_dbg(smb_fname_base),
5187	strerror(errno)));
5188	TALLOC_FREE(smb_fname_base);
5189	reply_nterror(req,
5190	map_nt_error_from_unix(errno));
5191	return;
5192	}
5193	} else {
5194	if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
5195	DEBUG(3,("call_trans2qfilepathinfo: "
5196	"fileinfo of %s failed "
5197	"(%s)\n",
5198	smb_fname_str_dbg(smb_fname_base),
5199	strerror(errno)));
5200	TALLOC_FREE(smb_fname_base);
5201	reply_nterror(req,
5202	map_nt_error_from_unix(errno));
5203	return;
5204	}
5205	}
5206
5207	status = file_name_hash(conn,
5208	smb_fname_str_dbg(smb_fname_base),
5209	&name_hash);
5210	if (!NT_STATUS_IS_OK(status)) {
5211	TALLOC_FREE(smb_fname_base);
5212	reply_nterror(req, status);
5213	return;
5214	}
5215
5216	fileid = vfs_file_id_from_sbuf(conn,
5217	&smb_fname_base->st);
5218	TALLOC_FREE(smb_fname_base);
5219	get_file_infos(fileid, name_hash, &delete_pending, NULL);
5220	if (delete_pending) {
5221	reply_nterror(req, NT_STATUS_DELETE_PENDING);
5222	return;
5223	}
5224	}
5225
5226	if (INFO_LEVEL_IS_UNIX(info_level)) {
5227	/* Always do lstat for UNIX calls. */
5228	if (SMB_VFS_LSTAT(conn, smb_fname)) {
5229	DEBUG(3,("call_trans2qfilepathinfo: "
5230	"SMB_VFS_LSTAT of %s failed (%s)\n",
5231	smb_fname_str_dbg(smb_fname),
5232	strerror(errno)));
5233	reply_nterror(req,
5234	map_nt_error_from_unix(errno));
5235	return;
5236	}
5237
5238	} else {
5239	if (SMB_VFS_STAT(conn, smb_fname) != 0) {
5240	DEBUG(3,("call_trans2qfilepathinfo: "
5241	"SMB_VFS_STAT of %s failed (%s)\n",
5242	smb_fname_str_dbg(smb_fname),
5243	strerror(errno)));
5244	reply_nterror(req,
5245	map_nt_error_from_unix(errno));
5246	return;
5247	}
5248	}
5249
5250	status = file_name_hash(conn,
5251	smb_fname_str_dbg(smb_fname),
5252	&name_hash);
5253	if (!NT_STATUS_IS_OK(status)) {
5254	reply_nterror(req, status);
5255	return;
5256	}
5257
5258	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5259	get_file_infos(fileid, name_hash, &delete_pending, &write_time_ts);
5260	if (delete_pending) {
5261	reply_nterror(req, NT_STATUS_DELETE_PENDING);
5262	return;
5263	}
5264	}
5265
5266	DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d "
5267	"total_data=%d\n", smb_fname_str_dbg(smb_fname),
5268	fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
5269
5270	/* Pull out any data sent here before we realloc. */
5271	switch (info_level) {
5272	case SMB_INFO_QUERY_EAS_FROM_LIST:
5273	{
5274	/* Pull any EA list from the data portion. */
5275	uint32 ea_size;
5276
5277	if (total_data < 4) {
5278	reply_nterror(
5279	req, NT_STATUS_INVALID_PARAMETER);
5280	return;
5281	}
5282	ea_size = IVAL(pdata,0);
5283
5284	if (total_data > 0 && ea_size != total_data) {
5285	DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
5286	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
5287	reply_nterror(
5288	req, NT_STATUS_INVALID_PARAMETER);
5289	return;
5290	}
5291
5292	if (!lp_ea_support(SNUM(conn))) {
5293	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
5294	return;
5295	}
5296
5297	/* Pull out the list of names. */
5298	ea_list = read_ea_name_list(req, pdata + 4, ea_size - 4);
5299	if (!ea_list) {
5300	reply_nterror(
5301	req, NT_STATUS_INVALID_PARAMETER);
5302	return;
5303	}
5304	break;
5305	}
5306
5307	case SMB_QUERY_POSIX_LOCK:
5308	{
5309	if (fsp == NULL \|\| fsp->fh->fd == -1) {
5310	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
5311	return;
5312	}
5313
5314	if (total_data != POSIX_LOCK_DATA_SIZE) {
5315	reply_nterror(
5316	req, NT_STATUS_INVALID_PARAMETER);
5317	return;
5318	}
5319
5320	/* Copy the lock range data. */
5321	lock_data = (char *)TALLOC_MEMDUP(
5322	req, pdata, total_data);
5323	if (!lock_data) {
5324	reply_nterror(req, NT_STATUS_NO_MEMORY);
5325	return;
5326	}
5327	lock_data_count = total_data;
5328	}
5329	default:
5330	break;
5331	}
5332
5333	pparams = (char )SMB_REALLOC(*pparams,2);
5334	if (*pparams == NULL) {
5335	reply_nterror(req, NT_STATUS_NO_MEMORY);
5336	return;
5337	}
5338	params = *pparams;
5339	SSVAL(params,0,0);
5340
5341	/*
5342	* draft-leach-cifs-v1-spec-02.txt
5343	* 4.2.14 TRANS2_QUERY_PATH_INFORMATION: Get File Attributes given Path
5344	* says:
5345	*
5346	* The requested information is placed in the Data portion of the
5347	* transaction response. For the information levels greater than 0x100,
5348	* the transaction response has 1 parameter word which should be
5349	* ignored by the client.
5350	*
5351	* However Windows only follows this rule for the IS_NAME_VALID call.
5352	*/
5353	switch (info_level) {
5354	case SMB_INFO_IS_NAME_VALID:
5355	param_size = 0;
5356	break;
5357	}
5358
5359	if ((info_level & 0xFF00) == 0xFF00) {
5360	/*
5361	* We use levels that start with 0xFF00
5362	* internally to represent SMB2 specific levels
5363	*/
5364	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5365	return;
5366	}
5367
5368	status = smbd_do_qfilepathinfo(conn, req, info_level,
5369	fsp, smb_fname,
5370	delete_pending, write_time_ts,
5371	ea_list,
5372	lock_data_count, lock_data,
5373	req->flags2, max_data_bytes,
5374	ppdata, &data_size);
5375	if (!NT_STATUS_IS_OK(status)) {
5376	reply_nterror(req, status);
5377	return;
5378	}
5379
5380	send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
5381	max_data_bytes);
5382
5383	return;
5384	}
5385
5386	/****************************************************************************
5387	Set a hard link (called by UNIX extensions and by NT rename with HARD link
5388	code.
5389	****************************************************************************/
5390
5391	NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
5392	connection_struct *conn,
5393	struct smb_request *req,
5394	bool overwrite_if_exists,
5395	const struct smb_filename *smb_fname_old,
5396	struct smb_filename *smb_fname_new)
5397	{
5398	NTSTATUS status = NT_STATUS_OK;
5399
5400	/* source must already exist. */
5401	if (!VALID_STAT(smb_fname_old->st)) {
5402	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5403	}
5404
5405	if (VALID_STAT(smb_fname_new->st)) {
5406	if (overwrite_if_exists) {
5407	if (S_ISDIR(smb_fname_new->st.st_ex_mode)) {
5408	return NT_STATUS_FILE_IS_A_DIRECTORY;
5409	}
5410	status = unlink_internals(conn,
5411	req,
5412	FILE_ATTRIBUTE_NORMAL,
5413	smb_fname_new,
5414	false);
5415	if (!NT_STATUS_IS_OK(status)) {
5416	return status;
5417	}
5418	} else {
5419	/* Disallow if newname already exists. */
5420	return NT_STATUS_OBJECT_NAME_COLLISION;
5421	}
5422	}
5423
5424	/* No links from a directory. */
5425	if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
5426	return NT_STATUS_FILE_IS_A_DIRECTORY;
5427	}
5428
5429	/* Setting a hardlink to/from a stream isn't currently supported. */
5430	if (is_ntfs_stream_smb_fname(smb_fname_old) \|\|
5431	is_ntfs_stream_smb_fname(smb_fname_new)) {
5432	return NT_STATUS_INVALID_PARAMETER;
5433	}
5434
5435	DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n",
5436	smb_fname_old->base_name, smb_fname_new->base_name));
5437
5438	if (SMB_VFS_LINK(conn, smb_fname_old->base_name,
5439	smb_fname_new->base_name) != 0) {
5440	status = map_nt_error_from_unix(errno);
5441	DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
5442	nt_errstr(status), smb_fname_old->base_name,
5443	smb_fname_new->base_name));
5444	}
5445	return status;
5446	}
5447
5448	/****************************************************************************
5449	Deal with setting the time from any of the setfilepathinfo functions.
5450	****************************************************************************/
5451
5452	NTSTATUS smb_set_file_time(connection_struct *conn,
5453	files_struct *fsp,
5454	const struct smb_filename *smb_fname,
5455	struct smb_file_time *ft,
5456	bool setting_write_time)
5457	{
5458	struct smb_filename smb_fname_base;
5459	uint32 action =
5460	FILE_NOTIFY_CHANGE_LAST_ACCESS
5461	\|FILE_NOTIFY_CHANGE_LAST_WRITE
5462	\|FILE_NOTIFY_CHANGE_CREATION;
5463
5464	if (!VALID_STAT(smb_fname->st)) {
5465	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5466	}
5467
5468	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
5469	return NT_STATUS_ACCESS_DENIED;
5470	}
5471
5472	/* get some defaults (no modifications) if any info is zero or -1. */
5473	if (null_timespec(ft->create_time)) {
5474	action &= ~FILE_NOTIFY_CHANGE_CREATION;
5475	}
5476
5477	if (null_timespec(ft->atime)) {
5478	action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
5479	}
5480
5481	if (null_timespec(ft->mtime)) {
5482	action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5483	}
5484
5485	if (!setting_write_time) {
5486	/* ft->mtime comes from change time, not write time. */
5487	action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5488	}
5489
5490	/* Ensure the resolution is the correct for
5491	* what we can store on this filesystem. */
5492
5493	round_timespec(conn->ts_res, &ft->create_time);
5494	round_timespec(conn->ts_res, &ft->ctime);
5495	round_timespec(conn->ts_res, &ft->atime);
5496	round_timespec(conn->ts_res, &ft->mtime);
5497
5498	DEBUG(5,("smb_set_filetime: actime: %s\n ",
5499	time_to_asc(convert_timespec_to_time_t(ft->atime))));
5500	DEBUG(5,("smb_set_filetime: modtime: %s\n ",
5501	time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5502	DEBUG(5,("smb_set_filetime: ctime: %s\n ",
5503	time_to_asc(convert_timespec_to_time_t(ft->ctime))));
5504	DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5505	time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5506
5507	if (setting_write_time) {
5508	/*
5509	* This was a Windows setfileinfo on an open file.
5510	* NT does this a lot. We also need to
5511	* set the time here, as it can be read by
5512	* FindFirst/FindNext and with the patch for bug #2045
5513	* in smbd/fileio.c it ensures that this timestamp is
5514	* kept sticky even after a write. We save the request
5515	* away and will set it on file close and after a write. JRA.
5516	*/
5517
5518	DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5519	time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5520
5521	if (fsp != NULL) {
5522	if (fsp->base_fsp) {
5523	set_sticky_write_time_fsp(fsp->base_fsp,
5524	ft->mtime);
5525	} else {
5526	set_sticky_write_time_fsp(fsp, ft->mtime);
5527	}
5528	} else {
5529	set_sticky_write_time_path(
5530	vfs_file_id_from_sbuf(conn, &smb_fname->st),
5531	ft->mtime);
5532	}
5533	}
5534
5535	DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5536
5537	/* Always call ntimes on the base, even if a stream was passed in. */
5538	smb_fname_base = *smb_fname;
5539	smb_fname_base.stream_name = NULL;
5540
5541	if(file_ntimes(conn, &smb_fname_base, ft)!=0) {
5542	#ifdef __OS2__
5543	// final fix for ticket #60 and ticket #165
5544	if (!setting_write_time)
5545	#endif
5546	return map_nt_error_from_unix(errno);
5547	}
5548
5549	notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5550	smb_fname->base_name);
5551	return NT_STATUS_OK;
5552	}
5553
5554	/****************************************************************************
5555	Deal with setting the dosmode from any of the setfilepathinfo functions.
5556	****************************************************************************/
5557
5558	static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5559	const struct smb_filename *smb_fname,
5560	uint32 dosmode)
5561	{
5562	struct smb_filename *smb_fname_base = NULL;
5563	NTSTATUS status;
5564
5565	if (!VALID_STAT(smb_fname->st)) {
5566	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5567	}
5568
5569	/* Always operate on the base_name, even if a stream was passed in. */
5570	status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5571	NULL, &smb_fname->st,
5572	&smb_fname_base);
5573	if (!NT_STATUS_IS_OK(status)) {
5574	return status;
5575	}
5576
5577	if (dosmode) {
5578	if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5579	dosmode \|= FILE_ATTRIBUTE_DIRECTORY;
5580	} else {
5581	dosmode &= ~FILE_ATTRIBUTE_DIRECTORY;
5582	}
5583	}
5584
5585	DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5586
5587	/* check the mode isn't different, before changing it */
5588	if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5589	DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5590	"0x%x\n", smb_fname_str_dbg(smb_fname_base),
5591	(unsigned int)dosmode));
5592
5593	if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5594	false)) {
5595	DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5596	"%s failed (%s)\n",
5597	smb_fname_str_dbg(smb_fname_base),
5598	strerror(errno)));
5599	status = map_nt_error_from_unix(errno);
5600	goto out;
5601	}
5602	}
5603	status = NT_STATUS_OK;
5604	out:
5605	TALLOC_FREE(smb_fname_base);
5606	return status;
5607	}
5608
5609	/****************************************************************************
5610	Deal with setting the size from any of the setfilepathinfo functions.
5611	****************************************************************************/
5612
5613	static NTSTATUS smb_set_file_size(connection_struct *conn,
5614	struct smb_request *req,
5615	files_struct *fsp,
5616	const struct smb_filename *smb_fname,
5617	const SMB_STRUCT_STAT *psbuf,
5618	SMB_OFF_T size,
5619	bool fail_after_createfile)
5620	{
5621	NTSTATUS status = NT_STATUS_OK;
5622	struct smb_filename *smb_fname_tmp = NULL;
5623	files_struct *new_fsp = NULL;
5624
5625	if (!VALID_STAT(*psbuf)) {
5626	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5627	}
5628
5629	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
5630	return NT_STATUS_ACCESS_DENIED;
5631	}
5632
5633	DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5634
5635	if (size == get_file_size_stat(psbuf)) {
5636	return NT_STATUS_OK;
5637	}
5638
5639	DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5640	smb_fname_str_dbg(smb_fname), (double)size));
5641
5642	if (fsp && fsp->fh->fd != -1) {
5643	/* Handle based call. */
5644	if (vfs_set_filelen(fsp, size) == -1) {
5645	return map_nt_error_from_unix(errno);
5646	}
5647	trigger_write_time_update_immediate(fsp);
5648	return NT_STATUS_OK;
5649	}
5650
5651	status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5652	if (!NT_STATUS_IS_OK(status)) {
5653	return status;
5654	}
5655
5656	smb_fname_tmp->st = *psbuf;
5657
5658	status = SMB_VFS_CREATE_FILE(
5659	conn, /* conn */
5660	req, /* req */
5661	0, /* root_dir_fid */
5662	smb_fname_tmp, /* fname */
5663	FILE_WRITE_DATA, /* access_mask */
5664	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
5665	FILE_SHARE_DELETE),
5666	FILE_OPEN, /* create_disposition*/
5667	0, /* create_options */
5668	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
5669	FORCE_OPLOCK_BREAK_TO_NONE, /* oplock_request */
5670	0, /* allocation_size */
5671	0, /* private_flags */
5672	NULL, /* sd */
5673	NULL, /* ea_list */
5674	&new_fsp, /* result */
5675	NULL); /* pinfo */
5676
5677	TALLOC_FREE(smb_fname_tmp);
5678
5679	if (!NT_STATUS_IS_OK(status)) {
5680	/* NB. We check for open_was_deferred in the caller. */
5681	return status;
5682	}
5683
5684	/* See RAW-SFILEINFO-END-OF-FILE */
5685	if (fail_after_createfile) {
5686	close_file(req, new_fsp,NORMAL_CLOSE);
5687	return NT_STATUS_INVALID_LEVEL;
5688	}
5689
5690	if (vfs_set_filelen(new_fsp, size) == -1) {
5691	status = map_nt_error_from_unix(errno);
5692	close_file(req, new_fsp,NORMAL_CLOSE);
5693	return status;
5694	}
5695
5696	trigger_write_time_update_immediate(new_fsp);
5697	close_file(req, new_fsp,NORMAL_CLOSE);
5698	return NT_STATUS_OK;
5699	}
5700
5701	/****************************************************************************
5702	Deal with SMB_INFO_SET_EA.
5703	****************************************************************************/
5704
5705	static NTSTATUS smb_info_set_ea(connection_struct *conn,
5706	const char *pdata,
5707	int total_data,
5708	files_struct *fsp,
5709	const struct smb_filename *smb_fname)
5710	{
5711	struct ea_list *ea_list = NULL;
5712	TALLOC_CTX *ctx = NULL;
5713	NTSTATUS status = NT_STATUS_OK;
5714
5715	if (total_data < 10) {
5716
5717	/* OS/2 workplace shell seems to send SET_EA requests of "null"
5718	length. They seem to have no effect. Bug #3212. JRA */
5719
5720	if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5721	/* We're done. We only get EA info in this call. */
5722	return NT_STATUS_OK;
5723	}
5724
5725	return NT_STATUS_INVALID_PARAMETER;
5726	}
5727
5728	if (IVAL(pdata,0) > total_data) {
5729	DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5730	IVAL(pdata,0), (unsigned int)total_data));
5731	return NT_STATUS_INVALID_PARAMETER;
5732	}
5733
5734	ctx = talloc_tos();
5735	ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5736	if (!ea_list) {
5737	return NT_STATUS_INVALID_PARAMETER;
5738	}
5739
5740	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5741	return NT_STATUS_ACCESS_DENIED;
5742	}
5743
5744	status = set_ea(conn, fsp, smb_fname, ea_list);
5745
5746	return status;
5747	}
5748
5749	/****************************************************************************
5750	Deal with SMB_FILE_FULL_EA_INFORMATION set.
5751	****************************************************************************/
5752
5753	static NTSTATUS smb_set_file_full_ea_info(connection_struct *conn,
5754	const char *pdata,
5755	int total_data,
5756	files_struct *fsp)
5757	{
5758	struct ea_list *ea_list = NULL;
5759	NTSTATUS status;
5760
5761	if (!fsp) {
5762	return NT_STATUS_INVALID_HANDLE;
5763	}
5764
5765	if (!lp_ea_support(SNUM(conn))) {
5766	DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u but "
5767	"EA's not supported.\n",
5768	(unsigned int)total_data));
5769	return NT_STATUS_EAS_NOT_SUPPORTED;
5770	}
5771
5772	if (total_data < 10) {
5773	DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u "
5774	"too small.\n",
5775	(unsigned int)total_data));
5776	return NT_STATUS_INVALID_PARAMETER;
5777	}
5778
5779	ea_list = read_nttrans_ea_list(talloc_tos(),
5780	pdata,
5781	total_data);
5782
5783	if (!ea_list) {
5784	return NT_STATUS_INVALID_PARAMETER;
5785	}
5786
5787	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5788	return NT_STATUS_ACCESS_DENIED;
5789	}
5790
5791	status = set_ea(conn, fsp, fsp->fsp_name, ea_list);
5792
5793	DEBUG(10, ("smb_set_file_full_ea_info on file %s returned %s\n",
5794	smb_fname_str_dbg(fsp->fsp_name),
5795	nt_errstr(status) ));
5796
5797	return status;
5798	}
5799
5800
5801	/****************************************************************************
5802	Deal with SMB_SET_FILE_DISPOSITION_INFO.
5803	****************************************************************************/
5804
5805	static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5806	const char *pdata,
5807	int total_data,
5808	files_struct *fsp,
5809	struct smb_filename *smb_fname)
5810	{
5811	NTSTATUS status = NT_STATUS_OK;
5812	bool delete_on_close;
5813	uint32 dosmode = 0;
5814
5815	if (total_data < 1) {
5816	return NT_STATUS_INVALID_PARAMETER;
5817	}
5818
5819	if (fsp == NULL) {
5820	return NT_STATUS_INVALID_HANDLE;
5821	}
5822
5823	delete_on_close = (CVAL(pdata,0) ? True : False);
5824	dosmode = dos_mode(conn, smb_fname);
5825
5826	DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5827	"delete_on_close = %u\n",
5828	smb_fname_str_dbg(smb_fname),
5829	(unsigned int)dosmode,
5830	(unsigned int)delete_on_close ));
5831
5832	if (delete_on_close) {
5833	status = can_set_delete_on_close(fsp, dosmode);
5834	if (!NT_STATUS_IS_OK(status)) {
5835	return status;
5836	}
5837	}
5838
5839	/* The set is across all open files on this dev/inode pair. */
5840	if (!set_delete_on_close(fsp, delete_on_close,
5841	conn->session_info->security_token,
5842	&conn->session_info->utok)) {
5843	return NT_STATUS_ACCESS_DENIED;
5844	}
5845	return NT_STATUS_OK;
5846	}
5847
5848	/****************************************************************************
5849	Deal with SMB_FILE_POSITION_INFORMATION.
5850	****************************************************************************/
5851
5852	static NTSTATUS smb_file_position_information(connection_struct *conn,
5853	const char *pdata,
5854	int total_data,
5855	files_struct *fsp)
5856	{
5857	uint64_t position_information;
5858
5859	if (total_data < 8) {
5860	return NT_STATUS_INVALID_PARAMETER;
5861	}
5862
5863	if (fsp == NULL) {
5864	/* Ignore on pathname based set. */
5865	return NT_STATUS_OK;
5866	}
5867
5868	position_information = (uint64_t)IVAL(pdata,0);
5869	#ifdef LARGE_SMB_OFF_T
5870	position_information \|= (((uint64_t)IVAL(pdata,4)) << 32);
5871	#else /* LARGE_SMB_OFF_T */
5872	if (IVAL(pdata,4) != 0) {
5873	/* more than 32 bits? */
5874	return NT_STATUS_INVALID_PARAMETER;
5875	}
5876	#endif /* LARGE_SMB_OFF_T */
5877
5878	DEBUG(10,("smb_file_position_information: Set file position "
5879	"information for file %s to %.0f\n", fsp_str_dbg(fsp),
5880	(double)position_information));
5881	fsp->fh->position_information = position_information;
5882	return NT_STATUS_OK;
5883	}
5884
5885	/****************************************************************************
5886	Deal with SMB_FILE_MODE_INFORMATION.
5887	****************************************************************************/
5888
5889	static NTSTATUS smb_file_mode_information(connection_struct *conn,
5890	const char *pdata,
5891	int total_data)
5892	{
5893	uint32 mode;
5894
5895	if (total_data < 4) {
5896	return NT_STATUS_INVALID_PARAMETER;
5897	}
5898	mode = IVAL(pdata,0);
5899	if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
5900	return NT_STATUS_INVALID_PARAMETER;
5901	}
5902	return NT_STATUS_OK;
5903	}
5904
5905	/****************************************************************************
5906	Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
5907	****************************************************************************/
5908
5909	static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
5910	struct smb_request *req,
5911	const char *pdata,
5912	int total_data,
5913	const struct smb_filename *smb_fname)
5914	{
5915	char *link_target = NULL;
5916	const char *newname = smb_fname->base_name;
5917	TALLOC_CTX *ctx = talloc_tos();
5918
5919	/* Set a symbolic link. */
5920	/* Don't allow this if follow links is false. */
5921
5922	if (total_data == 0) {
5923	return NT_STATUS_INVALID_PARAMETER;
5924	}
5925
5926	if (!lp_symlinks(SNUM(conn))) {
5927	return NT_STATUS_ACCESS_DENIED;
5928	}
5929
5930	srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
5931	total_data, STR_TERMINATE);
5932
5933	if (!link_target) {
5934	return NT_STATUS_INVALID_PARAMETER;
5935	}
5936
5937	DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
5938	newname, link_target ));
5939
5940	if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
5941	return map_nt_error_from_unix(errno);
5942	}
5943
5944	return NT_STATUS_OK;
5945	}
5946
5947	/****************************************************************************
5948	Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
5949	****************************************************************************/
5950
5951	static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
5952	struct smb_request *req,
5953	const char *pdata, int total_data,
5954	struct smb_filename *smb_fname_new)
5955	{
5956	char *oldname = NULL;
5957	struct smb_filename *smb_fname_old = NULL;
5958	TALLOC_CTX *ctx = talloc_tos();
5959	NTSTATUS status = NT_STATUS_OK;
5960
5961	/* Set a hard link. */
5962	if (total_data == 0) {
5963	return NT_STATUS_INVALID_PARAMETER;
5964	}
5965
5966	srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
5967	total_data, STR_TERMINATE, &status);
5968	if (!NT_STATUS_IS_OK(status)) {
5969	return status;
5970	}
5971
5972	DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
5973	smb_fname_str_dbg(smb_fname_new), oldname));
5974
5975	status = filename_convert(ctx,
5976	conn,
5977	req->flags2 & FLAGS2_DFS_PATHNAMES,
5978	oldname,
5979	0,
5980	NULL,
5981	&smb_fname_old);
5982	if (!NT_STATUS_IS_OK(status)) {
5983	return status;
5984	}
5985
5986	return hardlink_internals(ctx, conn, req, false,
5987	smb_fname_old, smb_fname_new);
5988	}
5989
5990	/****************************************************************************
5991	Deal with SMB2_FILE_RENAME_INFORMATION_INTERNAL
5992	****************************************************************************/
5993
5994	static NTSTATUS smb2_file_rename_information(connection_struct *conn,
5995	struct smb_request *req,
5996	const char *pdata,
5997	int total_data,
5998	files_struct *fsp,
5999	struct smb_filename *smb_fname_src)
6000	{
6001	bool overwrite;
6002	uint32_t len;
6003	char *newname = NULL;
6004	struct smb_filename *smb_fname_dst = NULL;
6005	NTSTATUS status = NT_STATUS_OK;
6006	TALLOC_CTX *ctx = talloc_tos();
6007
6008	if (!fsp) {
6009	return NT_STATUS_INVALID_HANDLE;
6010	}
6011
6012	if (total_data < 20) {
6013	return NT_STATUS_INVALID_PARAMETER;
6014	}
6015
6016	overwrite = (CVAL(pdata,0) ? True : False);
6017	len = IVAL(pdata,16);
6018
6019	if (len > (total_data - 20) \|\| (len == 0)) {
6020	return NT_STATUS_INVALID_PARAMETER;
6021	}
6022
6023	srvstr_get_path(ctx, pdata, req->flags2, &newname,
6024	&pdata[20], len, STR_TERMINATE,
6025	&status);
6026	if (!NT_STATUS_IS_OK(status)) {
6027	return status;
6028	}
6029
6030	DEBUG(10,("smb2_file_rename_information: got name \|%s\|\n",
6031	newname));
6032
6033	status = filename_convert(ctx,
6034	conn,
6035	req->flags2 & FLAGS2_DFS_PATHNAMES,
6036	newname,
6037	UCF_SAVE_LCOMP,
6038	NULL,
6039	&smb_fname_dst);
6040	if (!NT_STATUS_IS_OK(status)) {
6041	return status;
6042	}
6043
6044	if (fsp->base_fsp) {
6045	/* newname must be a stream name. */
6046	if (newname[0] != ':') {
6047	return NT_STATUS_NOT_SUPPORTED;
6048	}
6049
6050	/* Create an smb_fname to call rename_internals_fsp() with. */
6051	status = create_synthetic_smb_fname(talloc_tos(),
6052	fsp->base_fsp->fsp_name->base_name, newname, NULL,
6053	&smb_fname_dst);
6054	if (!NT_STATUS_IS_OK(status)) {
6055	goto out;
6056	}
6057
6058	/*
6059	* Set the original last component, since
6060	* rename_internals_fsp() requires it.
6061	*/
6062	smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6063	newname);
6064	if (smb_fname_dst->original_lcomp == NULL) {
6065	status = NT_STATUS_NO_MEMORY;
6066	goto out;
6067	}
6068
6069	}
6070
6071	DEBUG(10,("smb2_file_rename_information: "
6072	"SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6073	fsp->fnum, fsp_str_dbg(fsp),
6074	smb_fname_str_dbg(smb_fname_dst)));
6075	status = rename_internals_fsp(conn, fsp, smb_fname_dst,
6076	(FILE_ATTRIBUTE_HIDDEN\|FILE_ATTRIBUTE_SYSTEM),
6077	overwrite);
6078
6079	out:
6080	TALLOC_FREE(smb_fname_dst);
6081	return status;
6082	}
6083
6084	static NTSTATUS smb_file_link_information(connection_struct *conn,
6085	struct smb_request *req,
6086	const char *pdata,
6087	int total_data,
6088	files_struct *fsp,
6089	struct smb_filename *smb_fname_src)
6090	{
6091	bool overwrite;
6092	uint32_t len;
6093	char *newname = NULL;
6094	struct smb_filename *smb_fname_dst = NULL;
6095	NTSTATUS status = NT_STATUS_OK;
6096	TALLOC_CTX *ctx = talloc_tos();
6097
6098	if (!fsp) {
6099	return NT_STATUS_INVALID_HANDLE;
6100	}
6101
6102	if (total_data < 20) {
6103	return NT_STATUS_INVALID_PARAMETER;
6104	}
6105
6106	overwrite = (CVAL(pdata,0) ? true : false);
6107	len = IVAL(pdata,16);
6108
6109	if (len > (total_data - 20) \|\| (len == 0)) {
6110	return NT_STATUS_INVALID_PARAMETER;
6111	}
6112
6113	srvstr_get_path(ctx, pdata, req->flags2, &newname,
6114	&pdata[20], len, STR_TERMINATE,
6115	&status);
6116	if (!NT_STATUS_IS_OK(status)) {
6117	return status;
6118	}
6119
6120	DEBUG(10,("smb_file_link_information: got name \|%s\|\n",
6121	newname));
6122
6123	status = filename_convert(ctx,
6124	conn,
6125	req->flags2 & FLAGS2_DFS_PATHNAMES,
6126	newname,
6127	UCF_SAVE_LCOMP,
6128	NULL,
6129	&smb_fname_dst);
6130	if (!NT_STATUS_IS_OK(status)) {
6131	return status;
6132	}
6133
6134	if (fsp->base_fsp) {
6135	/* No stream names. */
6136	return NT_STATUS_NOT_SUPPORTED;
6137	}
6138
6139	DEBUG(10,("smb_file_link_information: "
6140	"SMB_FILE_LINK_INFORMATION (fnum %d) %s -> %s\n",
6141	fsp->fnum, fsp_str_dbg(fsp),
6142	smb_fname_str_dbg(smb_fname_dst)));
6143	status = hardlink_internals(ctx,
6144	conn,
6145	req,
6146	overwrite,
6147	fsp->fsp_name,
6148	smb_fname_dst);
6149
6150	TALLOC_FREE(smb_fname_dst);
6151	return status;
6152	}
6153
6154	/****************************************************************************
6155	Deal with SMB_FILE_RENAME_INFORMATION.
6156	****************************************************************************/
6157
6158	static NTSTATUS smb_file_rename_information(connection_struct *conn,
6159	struct smb_request *req,
6160	const char *pdata,
6161	int total_data,
6162	files_struct *fsp,
6163	struct smb_filename *smb_fname_src)
6164	{
6165	bool overwrite;
6166	uint32 root_fid;
6167	uint32 len;
6168	char *newname = NULL;
6169	struct smb_filename *smb_fname_dst = NULL;
6170	bool dest_has_wcard = False;
6171	NTSTATUS status = NT_STATUS_OK;
6172	char *p;
6173	TALLOC_CTX *ctx = talloc_tos();
6174
6175	if (total_data < 13) {
6176	return NT_STATUS_INVALID_PARAMETER;
6177	}
6178
6179	overwrite = (CVAL(pdata,0) ? True : False);
6180	root_fid = IVAL(pdata,4);
6181	len = IVAL(pdata,8);
6182
6183	if (len > (total_data - 12) \|\| (len == 0) \|\| (root_fid != 0)) {
6184	return NT_STATUS_INVALID_PARAMETER;
6185	}
6186
6187	srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
6188	len, 0, &status,
6189	&dest_has_wcard);
6190	if (!NT_STATUS_IS_OK(status)) {
6191	return status;
6192	}
6193
6194	DEBUG(10,("smb_file_rename_information: got name \|%s\|\n",
6195	newname));
6196
6197	status = resolve_dfspath_wcard(ctx, conn,
6198	req->flags2 & FLAGS2_DFS_PATHNAMES,
6199	newname,
6200	true,
6201	&newname,
6202	&dest_has_wcard);
6203	if (!NT_STATUS_IS_OK(status)) {
6204	return status;
6205	}
6206
6207	/* Check the new name has no '/' characters. */
6208	if (strchr_m(newname, '/')) {
6209	return NT_STATUS_NOT_SUPPORTED;
6210	}
6211
6212	if (fsp && fsp->base_fsp) {
6213	/* newname must be a stream name. */
6214	if (newname[0] != ':') {
6215	return NT_STATUS_NOT_SUPPORTED;
6216	}
6217
6218	/* Create an smb_fname to call rename_internals_fsp() with. */
6219	status = create_synthetic_smb_fname(talloc_tos(),
6220	fsp->base_fsp->fsp_name->base_name, newname, NULL,
6221	&smb_fname_dst);
6222	if (!NT_STATUS_IS_OK(status)) {
6223	goto out;
6224	}
6225
6226	/*
6227	* Set the original last component, since
6228	* rename_internals_fsp() requires it.
6229	*/
6230	smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6231	newname);
6232	if (smb_fname_dst->original_lcomp == NULL) {
6233	status = NT_STATUS_NO_MEMORY;
6234	goto out;
6235	}
6236
6237	} else {
6238	/*
6239	* Build up an smb_fname_dst based on the filename passed in.
6240	* We basically just strip off the last component, and put on
6241	* the newname instead.
6242	*/
6243	char *base_name = NULL;
6244
6245	/* newname must not be a stream name. */
6246	if (newname[0] == ':') {
6247	return NT_STATUS_NOT_SUPPORTED;
6248	}
6249
6250	/*
6251	* Strip off the last component (filename) of the path passed
6252	* in.
6253	*/
6254	base_name = talloc_strdup(ctx, smb_fname_src->base_name);
6255	if (!base_name) {
6256	return NT_STATUS_NO_MEMORY;
6257	}
6258	p = strrchr_m(base_name, '/');
6259	if (p) {
6260	p[1] = '\0';
6261	} else {
6262	base_name = talloc_strdup(ctx, "");
6263	if (!base_name) {
6264	return NT_STATUS_NO_MEMORY;
6265	}
6266	}
6267	/* Append the new name. */
6268	base_name = talloc_asprintf_append(base_name,
6269	"%s",
6270	newname);
6271	if (!base_name) {
6272	return NT_STATUS_NO_MEMORY;
6273	}
6274
6275	status = unix_convert(ctx, conn, base_name, &smb_fname_dst,
6276	(UCF_SAVE_LCOMP \|
6277	(dest_has_wcard ?
6278	UCF_ALWAYS_ALLOW_WCARD_LCOMP :
6279	0)));
6280
6281	/* If an error we expect this to be
6282	* NT_STATUS_OBJECT_PATH_NOT_FOUND */
6283
6284	if (!NT_STATUS_IS_OK(status)) {
6285	if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
6286	status)) {
6287	goto out;
6288	}
6289	/* Create an smb_fname to call rename_internals_fsp() */
6290	status = create_synthetic_smb_fname(ctx,
6291	base_name, NULL,
6292	NULL,
6293	&smb_fname_dst);
6294	if (!NT_STATUS_IS_OK(status)) {
6295	goto out;
6296	}
6297	}
6298	}
6299
6300	if (fsp) {
6301	DEBUG(10,("smb_file_rename_information: "
6302	"SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6303	fsp->fnum, fsp_str_dbg(fsp),
6304	smb_fname_str_dbg(smb_fname_dst)));
6305	status = rename_internals_fsp(conn, fsp, smb_fname_dst, 0,
6306	overwrite);
6307	} else {
6308	DEBUG(10,("smb_file_rename_information: "
6309	"SMB_FILE_RENAME_INFORMATION %s -> %s\n",
6310	smb_fname_str_dbg(smb_fname_src),
6311	smb_fname_str_dbg(smb_fname_dst)));
6312	status = rename_internals(ctx, conn, req, smb_fname_src,
6313	smb_fname_dst, 0, overwrite, false,
6314	dest_has_wcard,
6315	FILE_WRITE_ATTRIBUTES);
6316	}
6317	out:
6318	TALLOC_FREE(smb_fname_dst);
6319	return status;
6320	}
6321
6322	/****************************************************************************
6323	Deal with SMB_SET_POSIX_ACL.
6324	****************************************************************************/
6325
6326	#if defined(HAVE_POSIX_ACLS)
6327	static NTSTATUS smb_set_posix_acl(connection_struct *conn,
6328	const char *pdata,
6329	int total_data,
6330	files_struct *fsp,
6331	const struct smb_filename *smb_fname)
6332	{
6333	uint16 posix_acl_version;
6334	uint16 num_file_acls;
6335	uint16 num_def_acls;
6336	bool valid_file_acls = True;
6337	bool valid_def_acls = True;
6338
6339	if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
6340	return NT_STATUS_INVALID_PARAMETER;
6341	}
6342	posix_acl_version = SVAL(pdata,0);
6343	num_file_acls = SVAL(pdata,2);
6344	num_def_acls = SVAL(pdata,4);
6345
6346	if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6347	valid_file_acls = False;
6348	num_file_acls = 0;
6349	}
6350
6351	if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6352	valid_def_acls = False;
6353	num_def_acls = 0;
6354	}
6355
6356	if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
6357	return NT_STATUS_INVALID_PARAMETER;
6358	}
6359
6360	if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
6361	(num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
6362	return NT_STATUS_INVALID_PARAMETER;
6363	}
6364
6365	DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
6366	smb_fname ? smb_fname_str_dbg(smb_fname) : fsp_str_dbg(fsp),
6367	(unsigned int)num_file_acls,
6368	(unsigned int)num_def_acls));
6369
6370	if (valid_file_acls && !set_unix_posix_acl(conn, fsp,
6371	smb_fname->base_name, num_file_acls,
6372	pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
6373	return map_nt_error_from_unix(errno);
6374	}
6375
6376	if (valid_def_acls && !set_unix_posix_default_acl(conn,
6377	smb_fname->base_name, &smb_fname->st, num_def_acls,
6378	pdata + SMB_POSIX_ACL_HEADER_SIZE +
6379	(num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
6380	return map_nt_error_from_unix(errno);
6381	}
6382	return NT_STATUS_OK;
6383	}
6384	#endif
6385
6386	/****************************************************************************
6387	Deal with SMB_SET_POSIX_LOCK.
6388	****************************************************************************/
6389
6390	static NTSTATUS smb_set_posix_lock(connection_struct *conn,
6391	struct smb_request *req,
6392	const char *pdata,
6393	int total_data,
6394	files_struct *fsp)
6395	{
6396	uint64_t count;
6397	uint64_t offset;
6398	uint64_t smblctx;
6399	bool blocking_lock = False;
6400	enum brl_type lock_type;
6401
6402	NTSTATUS status = NT_STATUS_OK;
6403
6404	if (fsp == NULL \|\| fsp->fh->fd == -1) {
6405	return NT_STATUS_INVALID_HANDLE;
6406	}
6407
6408	if (total_data != POSIX_LOCK_DATA_SIZE) {
6409	return NT_STATUS_INVALID_PARAMETER;
6410	}
6411
6412	switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
6413	case POSIX_LOCK_TYPE_READ:
6414	lock_type = READ_LOCK;
6415	break;
6416	case POSIX_LOCK_TYPE_WRITE:
6417	/* Return the right POSIX-mappable error code for files opened read-only. */
6418	if (!fsp->can_write) {
6419	return NT_STATUS_INVALID_HANDLE;
6420	}
6421	lock_type = WRITE_LOCK;
6422	break;
6423	case POSIX_LOCK_TYPE_UNLOCK:
6424	lock_type = UNLOCK_LOCK;
6425	break;
6426	default:
6427	return NT_STATUS_INVALID_PARAMETER;
6428	}
6429
6430	if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
6431	blocking_lock = False;
6432	} else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
6433	blocking_lock = True;
6434	} else {
6435	return NT_STATUS_INVALID_PARAMETER;
6436	}
6437
6438	if (!lp_blocking_locks(SNUM(conn))) {
6439	blocking_lock = False;
6440	}
6441
6442	smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
6443	#if defined(HAVE_LONGLONG)
6444	offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) \|
6445	((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
6446	count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) \|
6447	((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
6448	#else /* HAVE_LONGLONG */
6449	offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
6450	count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
6451	#endif /* HAVE_LONGLONG */
6452
6453	DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
6454	"smblctx = %llu, count = %.0f, offset = %.0f\n",
6455	fsp_str_dbg(fsp),
6456	(unsigned int)lock_type,
6457	(unsigned long long)smblctx,
6458	(double)count,
6459	(double)offset ));
6460
6461	if (lock_type == UNLOCK_LOCK) {
6462	status = do_unlock(req->sconn->msg_ctx,
6463	fsp,
6464	smblctx,
6465	count,
6466	offset,
6467	POSIX_LOCK);
6468	} else {
6469	uint64_t block_smblctx;
6470
6471	struct byte_range_lock *br_lck = do_lock(req->sconn->msg_ctx,
6472	fsp,
6473	smblctx,
6474	count,
6475	offset,
6476	lock_type,
6477	POSIX_LOCK,
6478	blocking_lock,
6479	&status,
6480	&block_smblctx,
6481	NULL);
6482
6483	if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
6484	/*
6485	* A blocking lock was requested. Package up
6486	* this smb into a queued request and push it
6487	* onto the blocking lock queue.
6488	*/
6489	if(push_blocking_lock_request(br_lck,
6490	req,
6491	fsp,
6492	-1, /* infinite timeout. */
6493	0,
6494	smblctx,
6495	lock_type,
6496	POSIX_LOCK,
6497	offset,
6498	count,
6499	block_smblctx)) {
6500	TALLOC_FREE(br_lck);
6501	return status;
6502	}
6503	}
6504	TALLOC_FREE(br_lck);
6505	}
6506
6507	return status;
6508	}
6509
6510	/****************************************************************************
6511	Deal with SMB_SET_FILE_BASIC_INFO.
6512	****************************************************************************/
6513
6514	static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
6515	const char *pdata,
6516	int total_data,
6517	files_struct *fsp,
6518	const struct smb_filename *smb_fname)
6519	{
6520	/* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
6521	struct smb_file_time ft;
6522	uint32 dosmode = 0;
6523	NTSTATUS status = NT_STATUS_OK;
6524
6525	ZERO_STRUCT(ft);
6526
6527	if (total_data < 36) {
6528	return NT_STATUS_INVALID_PARAMETER;
6529	}
6530
6531	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6532	return NT_STATUS_ACCESS_DENIED;
6533	}
6534
6535	/* Set the attributes */
6536	dosmode = IVAL(pdata,32);
6537	status = smb_set_file_dosmode(conn, smb_fname, dosmode);
6538	if (!NT_STATUS_IS_OK(status)) {
6539	return status;
6540	}
6541
6542	/* create time */
6543	ft.create_time = interpret_long_date(pdata);
6544
6545	/* access time */
6546	ft.atime = interpret_long_date(pdata+8);
6547
6548	/* write time. */
6549	ft.mtime = interpret_long_date(pdata+16);
6550
6551	/* change time. */
6552	ft.ctime = interpret_long_date(pdata+24);
6553
6554	DEBUG(10, ("smb_set_file_basic_info: file %s\n",
6555	smb_fname_str_dbg(smb_fname)));
6556
6557	return smb_set_file_time(conn, fsp, smb_fname, &ft,
6558	true);
6559	}
6560
6561	/****************************************************************************
6562	Deal with SMB_INFO_STANDARD.
6563	****************************************************************************/
6564
6565	static NTSTATUS smb_set_info_standard(connection_struct *conn,
6566	const char *pdata,
6567	int total_data,
6568	files_struct *fsp,
6569	const struct smb_filename *smb_fname)
6570	{
6571	struct smb_file_time ft;
6572
6573	ZERO_STRUCT(ft);
6574
6575	if (total_data < 12) {
6576	return NT_STATUS_INVALID_PARAMETER;
6577	}
6578
6579	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6580	return NT_STATUS_ACCESS_DENIED;
6581	}
6582
6583	/* create time */
6584	ft.create_time = convert_time_t_to_timespec(srv_make_unix_date2(pdata));
6585	/* access time */
6586	ft.atime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+4));
6587	/* write time */
6588	ft.mtime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+8));
6589
6590	DEBUG(10,("smb_set_info_standard: file %s\n",
6591	smb_fname_str_dbg(smb_fname)));
6592
6593	return smb_set_file_time(conn,
6594	fsp,
6595	smb_fname,
6596	&ft,
6597	true);
6598	}
6599
6600	/****************************************************************************
6601	Deal with SMB_SET_FILE_ALLOCATION_INFO.
6602	****************************************************************************/
6603
6604	static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
6605	struct smb_request *req,
6606	const char *pdata,
6607	int total_data,
6608	files_struct *fsp,
6609	struct smb_filename *smb_fname)
6610	{
6611	uint64_t allocation_size = 0;
6612	NTSTATUS status = NT_STATUS_OK;
6613	files_struct *new_fsp = NULL;
6614
6615	if (!VALID_STAT(smb_fname->st)) {
6616	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6617	}
6618
6619	if (total_data < 8) {
6620	return NT_STATUS_INVALID_PARAMETER;
6621	}
6622
6623	allocation_size = (uint64_t)IVAL(pdata,0);
6624	#ifdef LARGE_SMB_OFF_T
6625	allocation_size \|= (((uint64_t)IVAL(pdata,4)) << 32);
6626	#else /* LARGE_SMB_OFF_T */
6627	if (IVAL(pdata,4) != 0) {
6628	/* more than 32 bits? */
6629	return NT_STATUS_INVALID_PARAMETER;
6630	}
6631	#endif /* LARGE_SMB_OFF_T */
6632
6633	DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for "
6634	"file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6635	(double)allocation_size));
6636
6637	if (allocation_size) {
6638	allocation_size = smb_roundup(conn, allocation_size);
6639	}
6640
6641	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6642	return NT_STATUS_ACCESS_DENIED;
6643	}
6644
6645	DEBUG(10,("smb_set_file_allocation_info: file %s : setting new "
6646	"allocation size to %.0f\n", smb_fname_str_dbg(smb_fname),
6647	(double)allocation_size));
6648
6649	if (fsp && fsp->fh->fd != -1) {
6650	/* Open file handle. */
6651	/* Only change if needed. */
6652	if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6653	if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
6654	return map_nt_error_from_unix(errno);
6655	}
6656	}
6657	/* But always update the time. */
6658	/*
6659	* This is equivalent to a write. Ensure it's seen immediately
6660	* if there are no pending writes.
6661	*/
6662	trigger_write_time_update_immediate(fsp);
6663	return NT_STATUS_OK;
6664	}
6665
6666	/* Pathname or stat or directory file. */
6667	status = SMB_VFS_CREATE_FILE(
6668	conn, /* conn */
6669	req, /* req */
6670	0, /* root_dir_fid */
6671	smb_fname, /* fname */
6672	FILE_WRITE_DATA, /* access_mask */
6673	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
6674	FILE_SHARE_DELETE),
6675	FILE_OPEN, /* create_disposition*/
6676	0, /* create_options */
6677	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
6678	FORCE_OPLOCK_BREAK_TO_NONE, /* oplock_request */
6679	0, /* allocation_size */
6680	0, /* private_flags */
6681	NULL, /* sd */
6682	NULL, /* ea_list */
6683	&new_fsp, /* result */
6684	NULL); /* pinfo */
6685
6686	if (!NT_STATUS_IS_OK(status)) {
6687	/* NB. We check for open_was_deferred in the caller. */
6688	return status;
6689	}
6690
6691	/* Only change if needed. */
6692	if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6693	if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6694	status = map_nt_error_from_unix(errno);
6695	close_file(req, new_fsp, NORMAL_CLOSE);
6696	return status;
6697	}
6698	}
6699
6700	/* Changing the allocation size should set the last mod time. */
6701	/*
6702	* This is equivalent to a write. Ensure it's seen immediately
6703	* if there are no pending writes.
6704	*/
6705	trigger_write_time_update_immediate(new_fsp);
6706
6707	close_file(req, new_fsp, NORMAL_CLOSE);
6708	return NT_STATUS_OK;
6709	}
6710
6711	/****************************************************************************
6712	Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6713	****************************************************************************/
6714
6715	static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6716	struct smb_request *req,
6717	const char *pdata,
6718	int total_data,
6719	files_struct *fsp,
6720	const struct smb_filename *smb_fname,
6721	bool fail_after_createfile)
6722	{
6723	SMB_OFF_T size;
6724
6725	if (total_data < 8) {
6726	return NT_STATUS_INVALID_PARAMETER;
6727	}
6728
6729	size = IVAL(pdata,0);
6730	#ifdef LARGE_SMB_OFF_T
6731	size \|= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6732	#else /* LARGE_SMB_OFF_T */
6733	if (IVAL(pdata,4) != 0) {
6734	/* more than 32 bits? */
6735	return NT_STATUS_INVALID_PARAMETER;
6736	}
6737	#endif /* LARGE_SMB_OFF_T */
6738	DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6739	"file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6740	(double)size));
6741
6742	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6743	return NT_STATUS_ACCESS_DENIED;
6744	}
6745
6746	return smb_set_file_size(conn, req,
6747	fsp,
6748	smb_fname,
6749	&smb_fname->st,
6750	size,
6751	fail_after_createfile);
6752	}
6753
6754	/****************************************************************************
6755	Allow a UNIX info mknod.
6756	****************************************************************************/
6757
6758	static NTSTATUS smb_unix_mknod(connection_struct *conn,
6759	const char *pdata,
6760	int total_data,
6761	const struct smb_filename *smb_fname)
6762	{
6763	uint32 file_type = IVAL(pdata,56);
6764	#if defined(HAVE_MAKEDEV)
6765	uint32 dev_major = IVAL(pdata,60);
6766	uint32 dev_minor = IVAL(pdata,68);
6767	#endif
6768	SMB_DEV_T dev = (SMB_DEV_T)0;
6769	uint32 raw_unixmode = IVAL(pdata,84);
6770	NTSTATUS status;
6771	mode_t unixmode;
6772
6773	if (total_data < 100) {
6774	return NT_STATUS_INVALID_PARAMETER;
6775	}
6776
6777	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6778	PERM_NEW_FILE, &unixmode);
6779	if (!NT_STATUS_IS_OK(status)) {
6780	return status;
6781	}
6782
6783	#if defined(HAVE_MAKEDEV)
6784	dev = makedev(dev_major, dev_minor);
6785	#endif
6786
6787	switch (file_type) {
6788	#if defined(S_IFIFO)
6789	case UNIX_TYPE_FIFO:
6790	unixmode \|= S_IFIFO;
6791	break;
6792	#endif
6793	#if defined(S_IFSOCK)
6794	case UNIX_TYPE_SOCKET:
6795	unixmode \|= S_IFSOCK;
6796	break;
6797	#endif
6798	#if defined(S_IFCHR)
6799	case UNIX_TYPE_CHARDEV:
6800	unixmode \|= S_IFCHR;
6801	break;
6802	#endif
6803	#if defined(S_IFBLK)
6804	case UNIX_TYPE_BLKDEV:
6805	unixmode \|= S_IFBLK;
6806	break;
6807	#endif
6808	default:
6809	return NT_STATUS_INVALID_PARAMETER;
6810	}
6811
6812	DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6813	"%.0f mode 0%o for file %s\n", (double)dev,
6814	(unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6815
6816	/* Ok - do the mknod. */
6817	if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6818	return map_nt_error_from_unix(errno);
6819	}
6820
6821	/* If any of the other "set" calls fail we
6822	* don't want to end up with a half-constructed mknod.
6823	*/
6824
6825	if (lp_inherit_perms(SNUM(conn))) {
6826	char *parent;
6827	if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6828	&parent, NULL)) {
6829	return NT_STATUS_NO_MEMORY;
6830	}
6831	inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6832	unixmode);
6833	TALLOC_FREE(parent);
6834	}
6835
6836	return NT_STATUS_OK;
6837	}
6838
6839	/****************************************************************************
6840	Deal with SMB_SET_FILE_UNIX_BASIC.
6841	****************************************************************************/
6842
6843	static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6844	struct smb_request *req,
6845	const char *pdata,
6846	int total_data,
6847	files_struct *fsp,
6848	const struct smb_filename *smb_fname)
6849	{
6850	struct smb_file_time ft;
6851	uint32 raw_unixmode;
6852	mode_t unixmode;
6853	SMB_OFF_T size = 0;
6854	uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6855	gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6856	NTSTATUS status = NT_STATUS_OK;
6857	bool delete_on_fail = False;
6858	enum perm_type ptype;
6859	files_struct *all_fsps = NULL;
6860	bool modify_mtime = true;
6861	struct file_id id;
6862	struct smb_filename *smb_fname_tmp = NULL;
6863	SMB_STRUCT_STAT sbuf;
6864
6865	ZERO_STRUCT(ft);
6866
6867	if (total_data < 100) {
6868	return NT_STATUS_INVALID_PARAMETER;
6869	}
6870
6871	if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6872	IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6873	size=IVAL(pdata,0); /* first 8 Bytes are size */
6874	#ifdef LARGE_SMB_OFF_T
6875	size \|= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6876	#else /* LARGE_SMB_OFF_T */
6877	if (IVAL(pdata,4) != 0) {
6878	/* more than 32 bits? */
6879	return NT_STATUS_INVALID_PARAMETER;
6880	}
6881	#endif /* LARGE_SMB_OFF_T */
6882	}
6883
6884	ft.atime = interpret_long_date(pdata+24); /* access_time */
6885	ft.mtime = interpret_long_date(pdata+32); /* modification_time */
6886	set_owner = (uid_t)IVAL(pdata,40);
6887	set_grp = (gid_t)IVAL(pdata,48);
6888	raw_unixmode = IVAL(pdata,84);
6889
6890	if (VALID_STAT(smb_fname->st)) {
6891	if (S_ISDIR(smb_fname->st.st_ex_mode)) {
6892	ptype = PERM_EXISTING_DIR;
6893	} else {
6894	ptype = PERM_EXISTING_FILE;
6895	}
6896	} else {
6897	ptype = PERM_NEW_FILE;
6898	}
6899
6900	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6901	ptype, &unixmode);
6902	if (!NT_STATUS_IS_OK(status)) {
6903	return status;
6904	}
6905
6906	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
6907	"%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
6908	smb_fname_str_dbg(smb_fname), (double)size,
6909	(unsigned int)set_owner, (unsigned int)set_grp,
6910	(int)raw_unixmode));
6911
6912	sbuf = smb_fname->st;
6913
6914	if (!VALID_STAT(sbuf)) {
6915	/*
6916	* The only valid use of this is to create character and block
6917	* devices, and named pipes. This is deprecated (IMHO) and
6918	* a new info level should be used for mknod. JRA.
6919	*/
6920
6921	status = smb_unix_mknod(conn,
6922	pdata,
6923	total_data,
6924	smb_fname);
6925	if (!NT_STATUS_IS_OK(status)) {
6926	return status;
6927	}
6928
6929	status = copy_smb_filename(talloc_tos(), smb_fname,
6930	&smb_fname_tmp);
6931	if (!NT_STATUS_IS_OK(status)) {
6932	return status;
6933	}
6934
6935	if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
6936	status = map_nt_error_from_unix(errno);
6937	TALLOC_FREE(smb_fname_tmp);
6938	SMB_VFS_UNLINK(conn, smb_fname);
6939	return status;
6940	}
6941
6942	sbuf = smb_fname_tmp->st;
6943	smb_fname = smb_fname_tmp;
6944
6945	/* Ensure we don't try and change anything else. */
6946	raw_unixmode = SMB_MODE_NO_CHANGE;
6947	size = get_file_size_stat(&sbuf);
6948	ft.atime = sbuf.st_ex_atime;
6949	ft.mtime = sbuf.st_ex_mtime;
6950	/*
6951	* We continue here as we might want to change the
6952	* owner uid/gid.
6953	*/
6954	delete_on_fail = True;
6955	}
6956
6957	#if 1
6958	/* Horrible backwards compatibility hack as an old server bug
6959	* allowed a CIFS client bug to remain unnoticed :-(. JRA.
6960	* */
6961
6962	if (!size) {
6963	size = get_file_size_stat(&sbuf);
6964	}
6965	#endif
6966
6967	/*
6968	* Deal with the UNIX specific mode set.
6969	*/
6970
6971	if (raw_unixmode != SMB_MODE_NO_CHANGE) {
6972	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6973	"setting mode 0%o for file %s\n",
6974	(unsigned int)unixmode,
6975	smb_fname_str_dbg(smb_fname)));
6976	if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
6977	return map_nt_error_from_unix(errno);
6978	}
6979	}
6980
6981	/*
6982	* Deal with the UNIX specific uid set.
6983	*/
6984
6985	if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
6986	(sbuf.st_ex_uid != set_owner)) {
6987	int ret;
6988
6989	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
6990	"changing owner %u for path %s\n",
6991	(unsigned int)set_owner,
6992	smb_fname_str_dbg(smb_fname)));
6993
6994	if (S_ISLNK(sbuf.st_ex_mode)) {
6995	ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
6996	set_owner, (gid_t)-1);
6997	} else {
6998	ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
6999	set_owner, (gid_t)-1);
7000	}
7001
7002	if (ret != 0) {
7003	status = map_nt_error_from_unix(errno);
7004	if (delete_on_fail) {
7005	SMB_VFS_UNLINK(conn, smb_fname);
7006	}
7007	return status;
7008	}
7009	}
7010
7011	/*
7012	* Deal with the UNIX specific gid set.
7013	*/
7014
7015	if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
7016	(sbuf.st_ex_gid != set_grp)) {
7017	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
7018	"changing group %u for file %s\n",
7019	(unsigned int)set_owner,
7020	smb_fname_str_dbg(smb_fname)));
7021	if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
7022	set_grp) != 0) {
7023	status = map_nt_error_from_unix(errno);
7024	if (delete_on_fail) {
7025	SMB_VFS_UNLINK(conn, smb_fname);
7026	}
7027	return status;
7028	}
7029	}
7030
7031	/* Deal with any size changes. */
7032
7033	status = smb_set_file_size(conn, req,
7034	fsp,
7035	smb_fname,
7036	&sbuf,
7037	size,
7038	false);
7039	if (!NT_STATUS_IS_OK(status)) {
7040	return status;
7041	}
7042
7043	/* Deal with any time changes. */
7044	if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
7045	/* No change, don't cancel anything. */
7046	return status;
7047	}
7048
7049	id = vfs_file_id_from_sbuf(conn, &sbuf);
7050	for(all_fsps = file_find_di_first(conn->sconn, id); all_fsps;
7051	all_fsps = file_find_di_next(all_fsps)) {
7052	/*
7053	* We're setting the time explicitly for UNIX.
7054	* Cancel any pending changes over all handles.
7055	*/
7056	all_fsps->update_write_time_on_close = false;
7057	TALLOC_FREE(all_fsps->update_write_time_event);
7058	}
7059
7060	/*
7061	* Override the "setting_write_time"
7062	* parameter here as it almost does what
7063	* we need. Just remember if we modified
7064	* mtime and send the notify ourselves.
7065	*/
7066	if (null_timespec(ft.mtime)) {
7067	modify_mtime = false;
7068	}
7069
7070	status = smb_set_file_time(conn,
7071	fsp,
7072	smb_fname,
7073	&ft,
7074	false);
7075	if (modify_mtime) {
7076	notify_fname(conn, NOTIFY_ACTION_MODIFIED,
7077	FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
7078	}
7079	return status;
7080	}
7081
7082	/****************************************************************************
7083	Deal with SMB_SET_FILE_UNIX_INFO2.
7084	****************************************************************************/
7085
7086	static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
7087	struct smb_request *req,
7088	const char *pdata,
7089	int total_data,
7090	files_struct *fsp,
7091	const struct smb_filename *smb_fname)
7092	{
7093	NTSTATUS status;
7094	uint32 smb_fflags;
7095	uint32 smb_fmask;
7096
7097	if (total_data < 116) {
7098	return NT_STATUS_INVALID_PARAMETER;
7099	}
7100
7101	/* Start by setting all the fields that are common between UNIX_BASIC
7102	* and UNIX_INFO2.
7103	*/
7104	status = smb_set_file_unix_basic(conn, req, pdata, total_data,
7105	fsp, smb_fname);
7106	if (!NT_STATUS_IS_OK(status)) {
7107	return status;
7108	}
7109
7110	smb_fflags = IVAL(pdata, 108);
7111	smb_fmask = IVAL(pdata, 112);
7112
7113	/* NB: We should only attempt to alter the file flags if the client
7114	* sends a non-zero mask.
7115	*/
7116	if (smb_fmask != 0) {
7117	int stat_fflags = 0;
7118
7119	if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
7120	smb_fmask, &stat_fflags)) {
7121	/* Client asked to alter a flag we don't understand. */
7122	return NT_STATUS_INVALID_PARAMETER;
7123	}
7124
7125	if (fsp && fsp->fh->fd != -1) {
7126	/* XXX: we should be using SMB_VFS_FCHFLAGS here. */
7127	return NT_STATUS_NOT_SUPPORTED;
7128	} else {
7129	if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
7130	stat_fflags) != 0) {
7131	return map_nt_error_from_unix(errno);
7132	}
7133	}
7134	}
7135
7136	/* XXX: need to add support for changing the create_time here. You
7137	* can do this for paths on Darwin with setattrlist(2). The right way
7138	* to hook this up is probably by extending the VFS utimes interface.
7139	*/
7140
7141	return NT_STATUS_OK;
7142	}
7143
7144	/****************************************************************************
7145	Create a directory with POSIX semantics.
7146	****************************************************************************/
7147
7148	static NTSTATUS smb_posix_mkdir(connection_struct *conn,
7149	struct smb_request *req,
7150	char **ppdata,
7151	int total_data,
7152	struct smb_filename *smb_fname,
7153	int *pdata_return_size)
7154	{
7155	NTSTATUS status = NT_STATUS_OK;
7156	uint32 raw_unixmode = 0;
7157	uint32 mod_unixmode = 0;
7158	mode_t unixmode = (mode_t)0;
7159	files_struct *fsp = NULL;
7160	uint16 info_level_return = 0;
7161	int info;
7162	char pdata = ppdata;
7163
7164	if (total_data < 18) {
7165	return NT_STATUS_INVALID_PARAMETER;
7166	}
7167
7168	raw_unixmode = IVAL(pdata,8);
7169	/* Next 4 bytes are not yet defined. */
7170
7171	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7172	PERM_NEW_DIR, &unixmode);
7173	if (!NT_STATUS_IS_OK(status)) {
7174	return status;
7175	}
7176
7177	mod_unixmode = (uint32)unixmode \| FILE_FLAG_POSIX_SEMANTICS;
7178
7179	DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
7180	smb_fname_str_dbg(smb_fname), (unsigned int)unixmode));
7181
7182	status = SMB_VFS_CREATE_FILE(
7183	conn, /* conn */
7184	req, /* req */
7185	0, /* root_dir_fid */
7186	smb_fname, /* fname */
7187	FILE_READ_ATTRIBUTES, /* access_mask */
7188	FILE_SHARE_NONE, /* share_access */
7189	FILE_CREATE, /* create_disposition*/
7190	FILE_DIRECTORY_FILE, /* create_options */
7191	mod_unixmode, /* file_attributes */
7192	0, /* oplock_request */
7193	0, /* allocation_size */
7194	0, /* private_flags */
7195	NULL, /* sd */
7196	NULL, /* ea_list */
7197	&fsp, /* result */
7198	&info); /* pinfo */
7199
7200	if (NT_STATUS_IS_OK(status)) {
7201	close_file(req, fsp, NORMAL_CLOSE);
7202	}
7203
7204	info_level_return = SVAL(pdata,16);
7205
7206	if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7207	*pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7208	} else if (info_level_return == SMB_QUERY_FILE_UNIX_INFO2) {
7209	*pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7210	} else {
7211	*pdata_return_size = 12;
7212	}
7213
7214	/* Realloc the data size */
7215	ppdata = (char )SMB_REALLOC(ppdata,pdata_return_size);
7216	if (*ppdata == NULL) {
7217	*pdata_return_size = 0;
7218	return NT_STATUS_NO_MEMORY;
7219	}
7220	pdata = *ppdata;
7221
7222	SSVAL(pdata,0,NO_OPLOCK_RETURN);
7223	SSVAL(pdata,2,0); /* No fnum. */
7224	SIVAL(pdata,4,info); /* Was directory created. */
7225
7226	switch (info_level_return) {
7227	case SMB_QUERY_FILE_UNIX_BASIC:
7228	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7229	SSVAL(pdata,10,0); /* Padding. */
7230	store_file_unix_basic(conn, pdata + 12, fsp,
7231	&smb_fname->st);
7232	break;
7233	case SMB_QUERY_FILE_UNIX_INFO2:
7234	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7235	SSVAL(pdata,10,0); /* Padding. */
7236	store_file_unix_basic_info2(conn, pdata + 12, fsp,
7237	&smb_fname->st);
7238	break;
7239	default:
7240	SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7241	SSVAL(pdata,10,0); /* Padding. */
7242	break;
7243	}
7244
7245	return status;
7246	}
7247
7248	/****************************************************************************
7249	Open/Create a file with POSIX semantics.
7250	****************************************************************************/
7251
7252	#define SMB_O_RDONLY_MAPPING (FILE_READ_DATA\|FILE_READ_ATTRIBUTES\|FILE_READ_EA)
7253	#define SMB_O_WRONLY_MAPPING (FILE_WRITE_DATA\|FILE_WRITE_ATTRIBUTES\|FILE_WRITE_EA)
7254
7255	static NTSTATUS smb_posix_open(connection_struct *conn,
7256	struct smb_request *req,
7257	char **ppdata,
7258	int total_data,
7259	struct smb_filename *smb_fname,
7260	int *pdata_return_size)
7261	{
7262	bool extended_oplock_granted = False;
7263	char pdata = ppdata;
7264	uint32 flags = 0;
7265	uint32 wire_open_mode = 0;
7266	uint32 raw_unixmode = 0;
7267	uint32 mod_unixmode = 0;
7268	uint32 create_disp = 0;
7269	uint32 access_mask = 0;
7270	uint32 create_options = FILE_NON_DIRECTORY_FILE;
7271	NTSTATUS status = NT_STATUS_OK;
7272	mode_t unixmode = (mode_t)0;
7273	files_struct *fsp = NULL;
7274	int oplock_request = 0;
7275	int info = 0;
7276	uint16 info_level_return = 0;
7277
7278	if (total_data < 18) {
7279	return NT_STATUS_INVALID_PARAMETER;
7280	}
7281
7282	flags = IVAL(pdata,0);
7283	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
7284	if (oplock_request) {
7285	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
7286	}
7287
7288	wire_open_mode = IVAL(pdata,4);
7289
7290	if (wire_open_mode == (SMB_O_CREAT\|SMB_O_DIRECTORY)) {
7291	return smb_posix_mkdir(conn, req,
7292	ppdata,
7293	total_data,
7294	smb_fname,
7295	pdata_return_size);
7296	}
7297
7298	switch (wire_open_mode & SMB_ACCMODE) {
7299	case SMB_O_RDONLY:
7300	access_mask = SMB_O_RDONLY_MAPPING;
7301	break;
7302	case SMB_O_WRONLY:
7303	access_mask = SMB_O_WRONLY_MAPPING;
7304	break;
7305	case SMB_O_RDWR:
7306	access_mask = (SMB_O_RDONLY_MAPPING\|
7307	SMB_O_WRONLY_MAPPING);
7308	break;
7309	default:
7310	DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
7311	(unsigned int)wire_open_mode ));
7312	return NT_STATUS_INVALID_PARAMETER;
7313	}
7314
7315	wire_open_mode &= ~SMB_ACCMODE;
7316
7317	/* First take care of O_CREAT\|O_EXCL interactions. */
7318	switch (wire_open_mode & (SMB_O_CREAT \| SMB_O_EXCL)) {
7319	case (SMB_O_CREAT \| SMB_O_EXCL):
7320	/* File exists fail. File not exist create. */
7321	create_disp = FILE_CREATE;
7322	break;
7323	case SMB_O_CREAT:
7324	/* File exists open. File not exist create. */
7325	create_disp = FILE_OPEN_IF;
7326	break;
7327	case 0:
7328	/* File exists open. File not exist fail. */
7329	create_disp = FILE_OPEN;
7330	break;
7331	case SMB_O_EXCL:
7332	/* O_EXCL on its own without O_CREAT is undefined. */
7333	default:
7334	DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
7335	(unsigned int)wire_open_mode ));
7336	return NT_STATUS_INVALID_PARAMETER;
7337	}
7338
7339	/* Next factor in the effects of O_TRUNC. */
7340	wire_open_mode &= ~(SMB_O_CREAT \| SMB_O_EXCL);
7341
7342	if (wire_open_mode & SMB_O_TRUNC) {
7343	switch (create_disp) {
7344	case FILE_CREATE:
7345	/* (SMB_O_CREAT \| SMB_O_EXCL \| O_TRUNC) */
7346	/* Leave create_disp alone as
7347	(O_CREAT\|O_EXCL\|O_TRUNC) == (O_CREAT\|O_EXCL)
7348	*/
7349	/* File exists fail. File not exist create. */
7350	break;
7351	case FILE_OPEN_IF:
7352	/* SMB_O_CREAT \| SMB_O_TRUNC */
7353	/* File exists overwrite. File not exist create. */
7354	create_disp = FILE_OVERWRITE_IF;
7355	break;
7356	case FILE_OPEN:
7357	/* SMB_O_TRUNC */
7358	/* File exists overwrite. File not exist fail. */
7359	create_disp = FILE_OVERWRITE;
7360	break;
7361	default:
7362	/* Cannot get here. */
7363	smb_panic("smb_posix_open: logic error");
7364	return NT_STATUS_INVALID_PARAMETER;
7365	}
7366	}
7367
7368	raw_unixmode = IVAL(pdata,8);
7369	/* Next 4 bytes are not yet defined. */
7370
7371	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7372	(VALID_STAT(smb_fname->st) ?
7373	PERM_EXISTING_FILE : PERM_NEW_FILE),
7374	&unixmode);
7375
7376	if (!NT_STATUS_IS_OK(status)) {
7377	return status;
7378	}
7379
7380	mod_unixmode = (uint32)unixmode \| FILE_FLAG_POSIX_SEMANTICS;
7381
7382	if (wire_open_mode & SMB_O_SYNC) {
7383	create_options \|= FILE_WRITE_THROUGH;
7384	}
7385	if (wire_open_mode & SMB_O_APPEND) {
7386	access_mask \|= FILE_APPEND_DATA;
7387	}
7388	if (wire_open_mode & SMB_O_DIRECT) {
7389	mod_unixmode \|= FILE_FLAG_NO_BUFFERING;
7390	}
7391
7392	if ((wire_open_mode & SMB_O_DIRECTORY) \|\|
7393	VALID_STAT_OF_DIR(smb_fname->st)) {
7394	if (access_mask != SMB_O_RDONLY_MAPPING) {
7395	return NT_STATUS_FILE_IS_A_DIRECTORY;
7396	}
7397	create_options &= ~FILE_NON_DIRECTORY_FILE;
7398	create_options \|= FILE_DIRECTORY_FILE;
7399	}
7400
7401	DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
7402	smb_fname_str_dbg(smb_fname),
7403	(unsigned int)wire_open_mode,
7404	(unsigned int)unixmode ));
7405
7406	status = SMB_VFS_CREATE_FILE(
7407	conn, /* conn */
7408	req, /* req */
7409	0, /* root_dir_fid */
7410	smb_fname, /* fname */
7411	access_mask, /* access_mask */
7412	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
7413	FILE_SHARE_DELETE),
7414	create_disp, /* create_disposition*/
7415	create_options, /* create_options */
7416	mod_unixmode, /* file_attributes */
7417	oplock_request, /* oplock_request */
7418	0, /* allocation_size */
7419	0, /* private_flags */
7420	NULL, /* sd */
7421	NULL, /* ea_list */
7422	&fsp, /* result */
7423	&info); /* pinfo */
7424
7425	if (!NT_STATUS_IS_OK(status)) {
7426	return status;
7427	}
7428
7429	if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
7430	extended_oplock_granted = True;
7431	}
7432
7433	if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
7434	extended_oplock_granted = True;
7435	}
7436
7437	info_level_return = SVAL(pdata,16);
7438
7439	/* Allocate the correct return size. */
7440
7441	if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7442	*pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7443	} else if (info_level_return == SMB_QUERY_FILE_UNIX_INFO2) {
7444	*pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7445	} else {
7446	*pdata_return_size = 12;
7447	}
7448
7449	/* Realloc the data size */
7450	ppdata = (char )SMB_REALLOC(ppdata,pdata_return_size);
7451	if (*ppdata == NULL) {
7452	close_file(req, fsp, ERROR_CLOSE);
7453	*pdata_return_size = 0;
7454	return NT_STATUS_NO_MEMORY;
7455	}
7456	pdata = *ppdata;
7457
7458	if (extended_oplock_granted) {
7459	if (flags & REQUEST_BATCH_OPLOCK) {
7460	SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
7461	} else {
7462	SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
7463	}
7464	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
7465	SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
7466	} else {
7467	SSVAL(pdata,0,NO_OPLOCK_RETURN);
7468	}
7469
7470	SSVAL(pdata,2,fsp->fnum);
7471	SIVAL(pdata,4,info); /* Was file created etc. */
7472
7473	switch (info_level_return) {
7474	case SMB_QUERY_FILE_UNIX_BASIC:
7475	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7476	SSVAL(pdata,10,0); /* padding. */
7477	store_file_unix_basic(conn, pdata + 12, fsp,
7478	&smb_fname->st);
7479	break;
7480	case SMB_QUERY_FILE_UNIX_INFO2:
7481	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7482	SSVAL(pdata,10,0); /* padding. */
7483	store_file_unix_basic_info2(conn, pdata + 12, fsp,
7484	&smb_fname->st);
7485	break;
7486	default:
7487	SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7488	SSVAL(pdata,10,0); /* padding. */
7489	break;
7490	}
7491	return NT_STATUS_OK;
7492	}
7493
7494	/****************************************************************************
7495	Delete a file with POSIX semantics.
7496	****************************************************************************/
7497
7498	static NTSTATUS smb_posix_unlink(connection_struct *conn,
7499	struct smb_request *req,
7500	const char *pdata,
7501	int total_data,
7502	struct smb_filename *smb_fname)
7503	{
7504	NTSTATUS status = NT_STATUS_OK;
7505	files_struct *fsp = NULL;
7506	uint16 flags = 0;
7507	char del = 1;
7508	int info = 0;
7509	int create_options = 0;
7510	int i;
7511	struct share_mode_lock *lck = NULL;
7512
7513	if (total_data < 2) {
7514	return NT_STATUS_INVALID_PARAMETER;
7515	}
7516
7517	flags = SVAL(pdata,0);
7518
7519	if (!VALID_STAT(smb_fname->st)) {
7520	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
7521	}
7522
7523	if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
7524	!VALID_STAT_OF_DIR(smb_fname->st)) {
7525	return NT_STATUS_NOT_A_DIRECTORY;
7526	}
7527
7528	DEBUG(10,("smb_posix_unlink: %s %s\n",
7529	(flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
7530	smb_fname_str_dbg(smb_fname)));
7531
7532	if (VALID_STAT_OF_DIR(smb_fname->st)) {
7533	create_options \|= FILE_DIRECTORY_FILE;
7534	}
7535
7536	status = SMB_VFS_CREATE_FILE(
7537	conn, /* conn */
7538	req, /* req */
7539	0, /* root_dir_fid */
7540	smb_fname, /* fname */
7541	DELETE_ACCESS, /* access_mask */
7542	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
7543	FILE_SHARE_DELETE),
7544	FILE_OPEN, /* create_disposition*/
7545	create_options, /* create_options */
7546	FILE_FLAG_POSIX_SEMANTICS\|0777, /* file_attributes */
7547	0, /* oplock_request */
7548	0, /* allocation_size */
7549	0, /* private_flags */
7550	NULL, /* sd */
7551	NULL, /* ea_list */
7552	&fsp, /* result */
7553	&info); /* pinfo */
7554
7555	if (!NT_STATUS_IS_OK(status)) {
7556	return status;
7557	}
7558
7559	/*
7560	* Don't lie to client. If we can't really delete due to
7561	* non-POSIX opens return SHARING_VIOLATION.
7562	*/
7563
7564	lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
7565	NULL);
7566	if (lck == NULL) {
7567	DEBUG(0, ("smb_posix_unlink: Could not get share mode "
7568	"lock for file %s\n", fsp_str_dbg(fsp)));
7569	close_file(req, fsp, NORMAL_CLOSE);
7570	return NT_STATUS_INVALID_PARAMETER;
7571	}
7572
7573	/*
7574	* See if others still have the file open. If this is the case, then
7575	* don't delete. If all opens are POSIX delete we can set the delete
7576	* on close disposition.
7577	*/
7578	for (i=0; i<lck->num_share_modes; i++) {
7579	struct share_mode_entry *e = &lck->share_modes[i];
7580	if (is_valid_share_mode_entry(e)) {
7581	if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
7582	continue;
7583	}
7584	/* Fail with sharing violation. */
7585	close_file(req, fsp, NORMAL_CLOSE);
7586	TALLOC_FREE(lck);
7587	return NT_STATUS_SHARING_VIOLATION;
7588	}
7589	}
7590
7591	/*
7592	* Set the delete on close.
7593	*/
7594	status = smb_set_file_disposition_info(conn,
7595	&del,
7596	1,
7597	fsp,
7598	smb_fname);
7599
7600	if (!NT_STATUS_IS_OK(status)) {
7601	close_file(req, fsp, NORMAL_CLOSE);
7602	TALLOC_FREE(lck);
7603	return status;
7604	}
7605	TALLOC_FREE(lck);
7606	return close_file(req, fsp, NORMAL_CLOSE);
7607	}
7608
7609	NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
7610	struct smb_request *req,
7611	TALLOC_CTX *mem_ctx,
7612	uint16_t info_level,
7613	files_struct *fsp,
7614	struct smb_filename *smb_fname,
7615	char **ppdata, int total_data,
7616	int *ret_data_size)
7617	{
7618	char pdata = ppdata;
7619	NTSTATUS status = NT_STATUS_OK;
7620	int data_return_size = 0;
7621
7622	*ret_data_size = 0;
7623
7624	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7625	return NT_STATUS_INVALID_LEVEL;
7626	}
7627
7628	if (!CAN_WRITE(conn)) {
7629	/* Allow POSIX opens. The open path will deny
7630	* any non-readonly opens. */
7631	if (info_level != SMB_POSIX_PATH_OPEN) {
7632	return NT_STATUS_DOS(ERRSRV, ERRaccess);
7633	}
7634	}
7635
7636	DEBUG(3,("smbd_do_setfilepathinfo: %s (fnum %d) info_level=%d "
7637	"totdata=%d\n", smb_fname_str_dbg(smb_fname),
7638	fsp ? fsp->fnum : -1, info_level, total_data));
7639
7640	switch (info_level) {
7641
7642	case SMB_INFO_STANDARD:
7643	{
7644	status = smb_set_info_standard(conn,
7645	pdata,
7646	total_data,
7647	fsp,
7648	smb_fname);
7649	break;
7650	}
7651
7652	case SMB_INFO_SET_EA:
7653	{
7654	status = smb_info_set_ea(conn,
7655	pdata,
7656	total_data,
7657	fsp,
7658	smb_fname);
7659	break;
7660	}
7661
7662	case SMB_SET_FILE_BASIC_INFO:
7663	case SMB_FILE_BASIC_INFORMATION:
7664	{
7665	status = smb_set_file_basic_info(conn,
7666	pdata,
7667	total_data,
7668	fsp,
7669	smb_fname);
7670	break;
7671	}
7672
7673	case SMB_FILE_ALLOCATION_INFORMATION:
7674	case SMB_SET_FILE_ALLOCATION_INFO:
7675	{
7676	status = smb_set_file_allocation_info(conn, req,
7677	pdata,
7678	total_data,
7679	fsp,
7680	smb_fname);
7681	break;
7682	}
7683
7684	case SMB_FILE_END_OF_FILE_INFORMATION:
7685	case SMB_SET_FILE_END_OF_FILE_INFO:
7686	{
7687	/*
7688	* XP/Win7 both fail after the createfile with
7689	* SMB_SET_FILE_END_OF_FILE_INFO but not
7690	* SMB_FILE_END_OF_FILE_INFORMATION (pass-through).
7691	* The level is known here, so pass it down
7692	* appropriately.
7693	*/
7694	bool should_fail =
7695	(info_level == SMB_SET_FILE_END_OF_FILE_INFO);
7696
7697	status = smb_set_file_end_of_file_info(conn, req,
7698	pdata,
7699	total_data,
7700	fsp,
7701	smb_fname,
7702	should_fail);
7703	break;
7704	}
7705
7706	case SMB_FILE_DISPOSITION_INFORMATION:
7707	case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7708	{
7709	#if 0
7710	/* JRA - We used to just ignore this on a path ?
7711	* Shouldn't this be invalid level on a pathname
7712	* based call ?
7713	*/
7714	if (tran_call != TRANSACT2_SETFILEINFO) {
7715	return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7716	}
7717	#endif
7718	status = smb_set_file_disposition_info(conn,
7719	pdata,
7720	total_data,
7721	fsp,
7722	smb_fname);
7723	break;
7724	}
7725
7726	case SMB_FILE_POSITION_INFORMATION:
7727	{
7728	status = smb_file_position_information(conn,
7729	pdata,
7730	total_data,
7731	fsp);
7732	break;
7733	}
7734
7735	case SMB_FILE_FULL_EA_INFORMATION:
7736	{
7737	status = smb_set_file_full_ea_info(conn,
7738	pdata,
7739	total_data,
7740	fsp);
7741	break;
7742	}
7743
7744	/* From tridge Samba4 :
7745	* MODE_INFORMATION in setfileinfo (I have no
7746	* idea what "mode information" on a file is - it takes a value of 0,
7747	* 2, 4 or 6. What could it be?).
7748	*/
7749
7750	case SMB_FILE_MODE_INFORMATION:
7751	{
7752	status = smb_file_mode_information(conn,
7753	pdata,
7754	total_data);
7755	break;
7756	}
7757
7758	/*
7759	* CIFS UNIX extensions.
7760	*/
7761
7762	case SMB_SET_FILE_UNIX_BASIC:
7763	{
7764	status = smb_set_file_unix_basic(conn, req,
7765	pdata,
7766	total_data,
7767	fsp,
7768	smb_fname);
7769	break;
7770	}
7771
7772	case SMB_SET_FILE_UNIX_INFO2:
7773	{
7774	status = smb_set_file_unix_info2(conn, req,
7775	pdata,
7776	total_data,
7777	fsp,
7778	smb_fname);
7779	break;
7780	}
7781
7782	case SMB_SET_FILE_UNIX_LINK:
7783	{
7784	if (fsp) {
7785	/* We must have a pathname for this. */
7786	return NT_STATUS_INVALID_LEVEL;
7787	}
7788	status = smb_set_file_unix_link(conn, req, pdata,
7789	total_data, smb_fname);
7790	break;
7791	}
7792
7793	case SMB_SET_FILE_UNIX_HLINK:
7794	{
7795	if (fsp) {
7796	/* We must have a pathname for this. */
7797	return NT_STATUS_INVALID_LEVEL;
7798	}
7799	status = smb_set_file_unix_hlink(conn, req,
7800	pdata, total_data,
7801	smb_fname);
7802	break;
7803	}
7804
7805	case SMB_FILE_RENAME_INFORMATION:
7806	{
7807	status = smb_file_rename_information(conn, req,
7808	pdata, total_data,
7809	fsp, smb_fname);
7810	break;
7811	}
7812
7813	case SMB2_FILE_RENAME_INFORMATION_INTERNAL:
7814	{
7815	/* SMB2 rename information. */
7816	status = smb2_file_rename_information(conn, req,
7817	pdata, total_data,
7818	fsp, smb_fname);
7819	break;
7820	}
7821
7822	case SMB_FILE_LINK_INFORMATION:
7823	{
7824	status = smb_file_link_information(conn, req,
7825	pdata, total_data,
7826	fsp, smb_fname);
7827	break;
7828	}
7829
7830	#if defined(HAVE_POSIX_ACLS)
7831	case SMB_SET_POSIX_ACL:
7832	{
7833	status = smb_set_posix_acl(conn,
7834	pdata,
7835	total_data,
7836	fsp,
7837	smb_fname);
7838	break;
7839	}
7840	#endif
7841
7842	case SMB_SET_POSIX_LOCK:
7843	{
7844	if (!fsp) {
7845	return NT_STATUS_INVALID_LEVEL;
7846	}
7847	status = smb_set_posix_lock(conn, req,
7848	pdata, total_data, fsp);
7849	break;
7850	}
7851
7852	case SMB_POSIX_PATH_OPEN:
7853	{
7854	if (fsp) {
7855	/* We must have a pathname for this. */
7856	return NT_STATUS_INVALID_LEVEL;
7857	}
7858
7859	status = smb_posix_open(conn, req,
7860	ppdata,
7861	total_data,
7862	smb_fname,
7863	&data_return_size);
7864	break;
7865	}
7866
7867	case SMB_POSIX_PATH_UNLINK:
7868	{
7869	if (fsp) {
7870	/* We must have a pathname for this. */
7871	return NT_STATUS_INVALID_LEVEL;
7872	}
7873
7874	status = smb_posix_unlink(conn, req,
7875	pdata,
7876	total_data,
7877	smb_fname);
7878	break;
7879	}
7880
7881	default:
7882	return NT_STATUS_INVALID_LEVEL;
7883	}
7884
7885	if (!NT_STATUS_IS_OK(status)) {
7886	return status;
7887	}
7888
7889	*ret_data_size = data_return_size;
7890	return NT_STATUS_OK;
7891	}
7892
7893	/****************************************************************************
7894	Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
7895	****************************************************************************/
7896
7897	static void call_trans2setfilepathinfo(connection_struct *conn,
7898	struct smb_request *req,
7899	unsigned int tran_call,
7900	char **pparams, int total_params,
7901	char **ppdata, int total_data,
7902	unsigned int max_data_bytes)
7903	{
7904	char params = pparams;
7905	char pdata = ppdata;
7906	uint16 info_level;
7907	struct smb_filename *smb_fname = NULL;
7908	files_struct *fsp = NULL;
7909	NTSTATUS status = NT_STATUS_OK;
7910	int data_return_size = 0;
7911
7912	if (!params) {
7913	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7914	return;
7915	}
7916
7917	if (tran_call == TRANSACT2_SETFILEINFO) {
7918	if (total_params < 4) {
7919	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7920	return;
7921	}
7922
7923	fsp = file_fsp(req, SVAL(params,0));
7924	/* Basic check for non-null fsp. */
7925	if (!check_fsp_open(conn, req, fsp)) {
7926	return;
7927	}
7928	info_level = SVAL(params,2);
7929
7930	status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
7931	&smb_fname);
7932	if (!NT_STATUS_IS_OK(status)) {
7933	reply_nterror(req, status);
7934	return;
7935	}
7936
7937	if(fsp->fh->fd == -1) {
7938	/*
7939	* This is actually a SETFILEINFO on a directory
7940	* handle (returned from an NT SMB). NT5.0 seems
7941	* to do this call. JRA.
7942	*/
7943	if (INFO_LEVEL_IS_UNIX(info_level)) {
7944	/* Always do lstat for UNIX calls. */
7945	if (SMB_VFS_LSTAT(conn, smb_fname)) {
7946	DEBUG(3,("call_trans2setfilepathinfo: "
7947	"SMB_VFS_LSTAT of %s failed "
7948	"(%s)\n",
7949	smb_fname_str_dbg(smb_fname),
7950	strerror(errno)));
7951	reply_nterror(req, map_nt_error_from_unix(errno));
7952	return;
7953	}
7954	} else {
7955	if (SMB_VFS_STAT(conn, smb_fname) != 0) {
7956	DEBUG(3,("call_trans2setfilepathinfo: "
7957	"fileinfo of %s failed (%s)\n",
7958	smb_fname_str_dbg(smb_fname),
7959	strerror(errno)));
7960	reply_nterror(req, map_nt_error_from_unix(errno));
7961	return;
7962	}
7963	}
7964	} else if (fsp->print_file) {
7965	/*
7966	* Doing a DELETE_ON_CLOSE should cancel a print job.
7967	*/
7968	if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
7969	fsp->fh->private_options \|= NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE;
7970
7971	DEBUG(3,("call_trans2setfilepathinfo: "
7972	"Cancelling print job (%s)\n",
7973	fsp_str_dbg(fsp)));
7974
7975	SSVAL(params,0,0);
7976	send_trans2_replies(conn, req, params, 2,
7977	*ppdata, 0,
7978	max_data_bytes);
7979	return;
7980	} else {
7981	reply_nterror(req,
7982	NT_STATUS_OBJECT_PATH_NOT_FOUND);
7983	return;
7984	}
7985	} else {
7986	/*
7987	* Original code - this is an open file.
7988	*/
7989	if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
7990	DEBUG(3,("call_trans2setfilepathinfo: fstat "
7991	"of fnum %d failed (%s)\n", fsp->fnum,
7992	strerror(errno)));
7993	reply_nterror(req, map_nt_error_from_unix(errno));
7994	return;
7995	}
7996	}
7997	} else {
7998	char *fname = NULL;
7999	uint32_t ucf_flags = 0;
8000
8001	/* set path info */
8002	if (total_params < 7) {
8003	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8004	return;
8005	}
8006
8007	info_level = SVAL(params,0);
8008	srvstr_get_path(req, params, req->flags2, &fname, &params[6],
8009	total_params - 6, STR_TERMINATE,
8010	&status);
8011	if (!NT_STATUS_IS_OK(status)) {
8012	reply_nterror(req, status);
8013	return;
8014	}
8015
8016	if (info_level == SMB_SET_FILE_UNIX_BASIC \|\|
8017	info_level == SMB_SET_FILE_UNIX_INFO2 \|\|
8018	info_level == SMB_FILE_RENAME_INFORMATION \|\|
8019	info_level == SMB_POSIX_PATH_UNLINK) {
8020	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
8021	}
8022
8023	status = filename_convert(req, conn,
8024	req->flags2 & FLAGS2_DFS_PATHNAMES,
8025	fname,
8026	ucf_flags,
8027	NULL,
8028	&smb_fname);
8029	if (!NT_STATUS_IS_OK(status)) {
8030	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8031	reply_botherror(req,
8032	NT_STATUS_PATH_NOT_COVERED,
8033	ERRSRV, ERRbadpath);
8034	return;
8035	}
8036	reply_nterror(req, status);
8037	return;
8038	}
8039
8040	if (INFO_LEVEL_IS_UNIX(info_level)) {
8041	/*
8042	* For CIFS UNIX extensions the target name may not exist.
8043	*/
8044
8045	/* Always do lstat for UNIX calls. */
8046	SMB_VFS_LSTAT(conn, smb_fname);
8047
8048	} else if (!VALID_STAT(smb_fname->st) &&
8049	SMB_VFS_STAT(conn, smb_fname)) {
8050	DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
8051	"%s failed (%s)\n",
8052	smb_fname_str_dbg(smb_fname),
8053	strerror(errno)));
8054	reply_nterror(req, map_nt_error_from_unix(errno));
8055	return;
8056	}
8057	}
8058
8059	DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d "
8060	"totdata=%d\n", tran_call, smb_fname_str_dbg(smb_fname),
8061	fsp ? fsp->fnum : -1, info_level,total_data));
8062
8063	/* Realloc the parameter size */
8064	pparams = (char )SMB_REALLOC(*pparams,2);
8065	if (*pparams == NULL) {
8066	reply_nterror(req, NT_STATUS_NO_MEMORY);
8067	return;
8068	}
8069	params = *pparams;
8070
8071	SSVAL(params,0,0);
8072
8073	status = smbd_do_setfilepathinfo(conn, req, req,
8074	info_level,
8075	fsp,
8076	smb_fname,
8077	ppdata, total_data,
8078	&data_return_size);
8079	if (!NT_STATUS_IS_OK(status)) {
8080	if (open_was_deferred(req->mid)) {
8081	/* We have re-scheduled this call. */
8082	return;
8083	}
8084	if (blocking_lock_was_deferred_smb1(req->sconn, req->mid)) {
8085	/* We have re-scheduled this call. */
8086	return;
8087	}
8088	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8089	reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
8090	ERRSRV, ERRbadpath);
8091	return;
8092	}
8093	if (info_level == SMB_POSIX_PATH_OPEN) {
8094	reply_openerror(req, status);
8095	return;
8096	}
8097
8098	reply_nterror(req, status);
8099	return;
8100	}
8101
8102	send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
8103	max_data_bytes);
8104
8105	return;
8106	}
8107
8108	/****************************************************************************
8109	Reply to a TRANS2_MKDIR (make directory with extended attributes).
8110	****************************************************************************/
8111
8112	static void call_trans2mkdir(connection_struct conn, struct smb_request req,
8113	char **pparams, int total_params,
8114	char **ppdata, int total_data,
8115	unsigned int max_data_bytes)
8116	{
8117	struct smb_filename *smb_dname = NULL;
8118	char params = pparams;
8119	char pdata = ppdata;
8120	char *directory = NULL;
8121	NTSTATUS status = NT_STATUS_OK;
8122	struct ea_list *ea_list = NULL;
8123	TALLOC_CTX *ctx = talloc_tos();
8124
8125	if (!CAN_WRITE(conn)) {
8126	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8127	return;
8128	}
8129
8130	if (total_params < 5) {
8131	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8132	return;
8133	}
8134
8135	srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
8136	total_params - 4, STR_TERMINATE,
8137	&status);
8138	if (!NT_STATUS_IS_OK(status)) {
8139	reply_nterror(req, status);
8140	return;
8141	}
8142
8143	DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
8144
8145	status = filename_convert(ctx,
8146	conn,
8147	req->flags2 & FLAGS2_DFS_PATHNAMES,
8148	directory,
8149	0,
8150	NULL,
8151	&smb_dname);
8152
8153	if (!NT_STATUS_IS_OK(status)) {
8154	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8155	reply_botherror(req,
8156	NT_STATUS_PATH_NOT_COVERED,
8157	ERRSRV, ERRbadpath);
8158	return;
8159	}
8160	reply_nterror(req, status);
8161	return;
8162	}
8163
8164	/*
8165	* OS/2 workplace shell seems to send SET_EA requests of "null"
8166	* length (4 bytes containing IVAL 4).
8167	* They seem to have no effect. Bug #3212. JRA.
8168	*/
8169
8170	if (total_data && (total_data != 4)) {
8171	/* Any data in this call is an EA list. */
8172	if (total_data < 10) {
8173	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8174	goto out;
8175	}
8176
8177	if (IVAL(pdata,0) > total_data) {
8178	DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
8179	IVAL(pdata,0), (unsigned int)total_data));
8180	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8181	goto out;
8182	}
8183
8184	ea_list = read_ea_list(talloc_tos(), pdata + 4,
8185	total_data - 4);
8186	if (!ea_list) {
8187	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8188	goto out;
8189	}
8190
8191	if (!lp_ea_support(SNUM(conn))) {
8192	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
8193	goto out;
8194	}
8195	}
8196	/* If total_data == 4 Windows doesn't care what values
8197	* are placed in that field, it just ignores them.
8198	* The System i QNTC IBM SMB client puts bad values here,
8199	* so ignore them. */
8200
8201	status = create_directory(conn, req, smb_dname);
8202
8203	if (!NT_STATUS_IS_OK(status)) {
8204	reply_nterror(req, status);
8205	goto out;
8206	}
8207
8208	/* Try and set any given EA. */
8209	if (ea_list) {
8210	status = set_ea(conn, NULL, smb_dname, ea_list);
8211	if (!NT_STATUS_IS_OK(status)) {
8212	reply_nterror(req, status);
8213	goto out;
8214	}
8215	}
8216
8217	/* Realloc the parameter and data sizes */
8218	pparams = (char )SMB_REALLOC(*pparams,2);
8219	if(*pparams == NULL) {
8220	reply_nterror(req, NT_STATUS_NO_MEMORY);
8221	goto out;
8222	}
8223	params = *pparams;
8224
8225	SSVAL(params,0,0);
8226
8227	send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
8228
8229	out:
8230	TALLOC_FREE(smb_dname);
8231	return;
8232	}
8233
8234	/****************************************************************************
8235	Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
8236	We don't actually do this - we just send a null response.
8237	****************************************************************************/
8238
8239	static void call_trans2findnotifyfirst(connection_struct *conn,
8240	struct smb_request *req,
8241	char **pparams, int total_params,
8242	char **ppdata, int total_data,
8243	unsigned int max_data_bytes)
8244	{
8245	char params = pparams;
8246	uint16 info_level;
8247
8248	if (total_params < 6) {
8249	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8250	return;
8251	}
8252
8253	info_level = SVAL(params,4);
8254	DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
8255
8256	switch (info_level) {
8257	case 1:
8258	case 2:
8259	break;
8260	default:
8261	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
8262	return;
8263	}
8264
8265	/* Realloc the parameter and data sizes */
8266	pparams = (char )SMB_REALLOC(*pparams,6);
8267	if (*pparams == NULL) {
8268	reply_nterror(req, NT_STATUS_NO_MEMORY);
8269	return;
8270	}
8271	params = *pparams;
8272
8273	SSVAL(params,0,fnf_handle);
8274	SSVAL(params,2,0); /* No changes */
8275	SSVAL(params,4,0); /* No EA errors */
8276
8277	fnf_handle++;
8278
8279	if(fnf_handle == 0)
8280	fnf_handle = 257;
8281
8282	send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
8283
8284	return;
8285	}
8286
8287	/****************************************************************************
8288	Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
8289	changes). Currently this does nothing.
8290	****************************************************************************/
8291
8292	static void call_trans2findnotifynext(connection_struct *conn,
8293	struct smb_request *req,
8294	char **pparams, int total_params,
8295	char **ppdata, int total_data,
8296	unsigned int max_data_bytes)
8297	{
8298	char params = pparams;
8299
8300	DEBUG(3,("call_trans2findnotifynext\n"));
8301
8302	/* Realloc the parameter and data sizes */
8303	pparams = (char )SMB_REALLOC(*pparams,4);
8304	if (*pparams == NULL) {
8305	reply_nterror(req, NT_STATUS_NO_MEMORY);
8306	return;
8307	}
8308	params = *pparams;
8309
8310	SSVAL(params,0,0); /* No changes */
8311	SSVAL(params,2,0); /* No EA errors */
8312
8313	send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
8314
8315	return;
8316	}
8317
8318	/****************************************************************************
8319	Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
8320	****************************************************************************/
8321
8322	static void call_trans2getdfsreferral(connection_struct *conn,
8323	struct smb_request *req,
8324	char **pparams, int total_params,
8325	char **ppdata, int total_data,
8326	unsigned int max_data_bytes)
8327	{
8328	char params = pparams;
8329	char *pathname = NULL;
8330	int reply_size = 0;
8331	int max_referral_level;
8332	NTSTATUS status = NT_STATUS_OK;
8333	TALLOC_CTX *ctx = talloc_tos();
8334
8335	DEBUG(10,("call_trans2getdfsreferral\n"));
8336
8337	if (total_params < 3) {
8338	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8339	return;
8340	}
8341
8342	max_referral_level = SVAL(params,0);
8343
8344	if(!lp_host_msdfs()) {
8345	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8346	return;
8347	}
8348
8349	srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
8350	total_params - 2, STR_TERMINATE);
8351	if (!pathname) {
8352	reply_nterror(req, NT_STATUS_NOT_FOUND);
8353	return;
8354	}
8355	if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
8356	ppdata,&status)) < 0) {
8357	reply_nterror(req, status);
8358	return;
8359	}
8360
8361	SSVAL(req->inbuf, smb_flg2,
8362	SVAL(req->inbuf,smb_flg2) \| FLAGS2_DFS_PATHNAMES);
8363	send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
8364
8365	return;
8366	}
8367
8368	#define LMCAT_SPL 0x53
8369	#define LMFUNC_GETJOBID 0x60
8370
8371	/****************************************************************************
8372	Reply to a TRANS2_IOCTL - used for OS/2 printing.
8373	****************************************************************************/
8374
8375	static void call_trans2ioctl(connection_struct *conn,
8376	struct smb_request *req,
8377	char **pparams, int total_params,
8378	char **ppdata, int total_data,
8379	unsigned int max_data_bytes)
8380	{
8381	char pdata = ppdata;
8382	files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
8383
8384	/* check for an invalid fid before proceeding */
8385
8386	if (!fsp) {
8387	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
8388	return;
8389	}
8390
8391	if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
8392	&& (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8393	ppdata = (char )SMB_REALLOC(*ppdata, 32);
8394	if (*ppdata == NULL) {
8395	reply_nterror(req, NT_STATUS_NO_MEMORY);
8396	return;
8397	}
8398	pdata = *ppdata;
8399
8400	/* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
8401	CAN ACCEPT THIS IN UNICODE. JRA. */
8402
8403	/* Job number */
8404	if (fsp->print_file) {
8405	SSVAL(pdata, 0, fsp->print_file->rap_jobid);
8406	} else {
8407	SSVAL(pdata, 0, 0);
8408	}
8409	srvstr_push(pdata, req->flags2, pdata + 2,
8410	global_myname(), 15,
8411	STR_ASCII\|STR_TERMINATE); /* Our NetBIOS name */
8412	srvstr_push(pdata, req->flags2, pdata+18,
8413	lp_servicename(SNUM(conn)), 13,
8414	STR_ASCII\|STR_TERMINATE); /* Service name */
8415	send_trans2_replies(conn, req, pparams, 0, ppdata, 32,
8416	max_data_bytes);
8417	return;
8418	}
8419
8420	DEBUG(2,("Unknown TRANS2_IOCTL\n"));
8421	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8422	}
8423
8424	/****************************************************************************
8425	Reply to a SMBfindclose (stop trans2 directory search).
8426	****************************************************************************/
8427
8428	void reply_findclose(struct smb_request *req)
8429	{
8430	int dptr_num;
8431	struct smbd_server_connection *sconn = req->sconn;
8432
8433	START_PROFILE(SMBfindclose);
8434
8435	if (req->wct < 1) {
8436	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8437	END_PROFILE(SMBfindclose);
8438	return;
8439	}
8440
8441	dptr_num = SVALS(req->vwv+0, 0);
8442
8443	DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
8444
8445	dptr_close(sconn, &dptr_num);
8446
8447	reply_outbuf(req, 0, 0);
8448
8449	DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
8450
8451	END_PROFILE(SMBfindclose);
8452	return;
8453	}
8454
8455	/****************************************************************************
8456	Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
8457	****************************************************************************/
8458
8459	void reply_findnclose(struct smb_request *req)
8460	{
8461	int dptr_num;
8462
8463	START_PROFILE(SMBfindnclose);
8464
8465	if (req->wct < 1) {
8466	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8467	END_PROFILE(SMBfindnclose);
8468	return;
8469	}
8470
8471	dptr_num = SVAL(req->vwv+0, 0);
8472
8473	DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
8474
8475	/* We never give out valid handles for a
8476	findnotifyfirst - so any dptr_num is ok here.
8477	Just ignore it. */
8478
8479	reply_outbuf(req, 0, 0);
8480
8481	DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
8482
8483	END_PROFILE(SMBfindnclose);
8484	return;
8485	}
8486
8487	static void handle_trans2(connection_struct conn, struct smb_request req,
8488	struct trans_state *state)
8489	{
8490	if (get_Protocol() >= PROTOCOL_NT1) {
8491	req->flags2 \|= 0x40; /* IS_LONG_NAME */
8492	SSVAL(req->inbuf,smb_flg2,req->flags2);
8493	}
8494
8495	if (conn->encrypt_level == Required && !req->encrypted) {
8496	if (state->call != TRANSACT2_QFSINFO &&
8497	state->call != TRANSACT2_SETFSINFO) {
8498	DEBUG(0,("handle_trans2: encryption required "
8499	"with call 0x%x\n",
8500	(unsigned int)state->call));
8501	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8502	return;
8503	}
8504	}
8505
8506	SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
8507
8508	/* Now we must call the relevant TRANS2 function */
8509	switch(state->call) {
8510	case TRANSACT2_OPEN:
8511	{
8512	START_PROFILE(Trans2_open);
8513	call_trans2open(conn, req,
8514	&state->param, state->total_param,
8515	&state->data, state->total_data,
8516	state->max_data_return);
8517	END_PROFILE(Trans2_open);
8518	break;
8519	}
8520
8521	case TRANSACT2_FINDFIRST:
8522	{
8523	START_PROFILE(Trans2_findfirst);
8524	call_trans2findfirst(conn, req,
8525	&state->param, state->total_param,
8526	&state->data, state->total_data,
8527	state->max_data_return);
8528	END_PROFILE(Trans2_findfirst);
8529	break;
8530	}
8531
8532	case TRANSACT2_FINDNEXT:
8533	{
8534	START_PROFILE(Trans2_findnext);
8535	call_trans2findnext(conn, req,
8536	&state->param, state->total_param,
8537	&state->data, state->total_data,
8538	state->max_data_return);
8539	END_PROFILE(Trans2_findnext);
8540	break;
8541	}
8542
8543	case TRANSACT2_QFSINFO:
8544	{
8545	START_PROFILE(Trans2_qfsinfo);
8546	call_trans2qfsinfo(conn, req,
8547	&state->param, state->total_param,
8548	&state->data, state->total_data,
8549	state->max_data_return);
8550	END_PROFILE(Trans2_qfsinfo);
8551	break;
8552	}
8553
8554	case TRANSACT2_SETFSINFO:
8555	{
8556	START_PROFILE(Trans2_setfsinfo);
8557	call_trans2setfsinfo(conn, req,
8558	&state->param, state->total_param,
8559	&state->data, state->total_data,
8560	state->max_data_return);
8561	END_PROFILE(Trans2_setfsinfo);
8562	break;
8563	}
8564
8565	case TRANSACT2_QPATHINFO:
8566	case TRANSACT2_QFILEINFO:
8567	{
8568	START_PROFILE(Trans2_qpathinfo);
8569	call_trans2qfilepathinfo(conn, req, state->call,
8570	&state->param, state->total_param,
8571	&state->data, state->total_data,
8572	state->max_data_return);
8573	END_PROFILE(Trans2_qpathinfo);
8574	break;
8575	}
8576
8577	case TRANSACT2_SETPATHINFO:
8578	case TRANSACT2_SETFILEINFO:
8579	{
8580	START_PROFILE(Trans2_setpathinfo);
8581	call_trans2setfilepathinfo(conn, req, state->call,
8582	&state->param, state->total_param,
8583	&state->data, state->total_data,
8584	state->max_data_return);
8585	END_PROFILE(Trans2_setpathinfo);
8586	break;
8587	}
8588
8589	case TRANSACT2_FINDNOTIFYFIRST:
8590	{
8591	START_PROFILE(Trans2_findnotifyfirst);
8592	call_trans2findnotifyfirst(conn, req,
8593	&state->param, state->total_param,
8594	&state->data, state->total_data,
8595	state->max_data_return);
8596	END_PROFILE(Trans2_findnotifyfirst);
8597	break;
8598	}
8599
8600	case TRANSACT2_FINDNOTIFYNEXT:
8601	{
8602	START_PROFILE(Trans2_findnotifynext);
8603	call_trans2findnotifynext(conn, req,
8604	&state->param, state->total_param,
8605	&state->data, state->total_data,
8606	state->max_data_return);
8607	END_PROFILE(Trans2_findnotifynext);
8608	break;
8609	}
8610
8611	case TRANSACT2_MKDIR:
8612	{
8613	START_PROFILE(Trans2_mkdir);
8614	call_trans2mkdir(conn, req,
8615	&state->param, state->total_param,
8616	&state->data, state->total_data,
8617	state->max_data_return);
8618	END_PROFILE(Trans2_mkdir);
8619	break;
8620	}
8621
8622	case TRANSACT2_GET_DFS_REFERRAL:
8623	{
8624	START_PROFILE(Trans2_get_dfs_referral);
8625	call_trans2getdfsreferral(conn, req,
8626	&state->param, state->total_param,
8627	&state->data, state->total_data,
8628	state->max_data_return);
8629	END_PROFILE(Trans2_get_dfs_referral);
8630	break;
8631	}
8632
8633	case TRANSACT2_IOCTL:
8634	{
8635	START_PROFILE(Trans2_ioctl);
8636	call_trans2ioctl(conn, req,
8637	&state->param, state->total_param,
8638	&state->data, state->total_data,
8639	state->max_data_return);
8640	END_PROFILE(Trans2_ioctl);
8641	break;
8642	}
8643
8644	default:
8645	/* Error in request */
8646	DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
8647	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8648	}
8649	}
8650
8651	/****************************************************************************
8652	Reply to a SMBtrans2.
8653	****************************************************************************/
8654
8655	void reply_trans2(struct smb_request *req)
8656	{
8657	connection_struct *conn = req->conn;
8658	unsigned int dsoff;
8659	unsigned int dscnt;
8660	unsigned int psoff;
8661	unsigned int pscnt;
8662	unsigned int tran_call;
8663	struct trans_state *state;
8664	NTSTATUS result;
8665
8666	START_PROFILE(SMBtrans2);
8667
8668	if (req->wct < 14) {
8669	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8670	END_PROFILE(SMBtrans2);
8671	return;
8672	}
8673
8674	dsoff = SVAL(req->vwv+12, 0);
8675	dscnt = SVAL(req->vwv+11, 0);
8676	psoff = SVAL(req->vwv+10, 0);
8677	pscnt = SVAL(req->vwv+9, 0);
8678	tran_call = SVAL(req->vwv+14, 0);
8679
8680	result = allow_new_trans(conn->pending_trans, req->mid);
8681	if (!NT_STATUS_IS_OK(result)) {
8682	DEBUG(2, ("Got invalid trans2 request: %s\n",
8683	nt_errstr(result)));
8684	reply_nterror(req, result);
8685	END_PROFILE(SMBtrans2);
8686	return;
8687	}
8688
8689	if (IS_IPC(conn)) {
8690	switch (tran_call) {
8691	/* List the allowed trans2 calls on IPC$ */
8692	case TRANSACT2_OPEN:
8693	case TRANSACT2_GET_DFS_REFERRAL:
8694	case TRANSACT2_QFILEINFO:
8695	case TRANSACT2_QFSINFO:
8696	case TRANSACT2_SETFSINFO:
8697	break;
8698	default:
8699	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8700	END_PROFILE(SMBtrans2);
8701	return;
8702	}
8703	}
8704
8705	if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
8706	DEBUG(0, ("talloc failed\n"));
8707	reply_nterror(req, NT_STATUS_NO_MEMORY);
8708	END_PROFILE(SMBtrans2);
8709	return;
8710	}
8711
8712	state->cmd = SMBtrans2;
8713
8714	state->mid = req->mid;
8715	state->vuid = req->vuid;
8716	state->setup_count = SVAL(req->vwv+13, 0);
8717	state->setup = NULL;
8718	state->total_param = SVAL(req->vwv+0, 0);
8719	state->param = NULL;
8720	state->total_data = SVAL(req->vwv+1, 0);
8721	state->data = NULL;
8722	state->max_param_return = SVAL(req->vwv+2, 0);
8723	state->max_data_return = SVAL(req->vwv+3, 0);
8724	state->max_setup_return = SVAL(req->vwv+4, 0);
8725	state->close_on_completion = BITSETW(req->vwv+5, 0);
8726	state->one_way = BITSETW(req->vwv+5, 1);
8727
8728	state->call = tran_call;
8729
8730	/* All trans2 messages we handle have smb_sucnt == 1 - ensure this
8731	is so as a sanity check */
8732	if (state->setup_count != 1) {
8733	/*
8734	* Need to have rc=0 for ioctl to get job id for OS/2.
8735	* Network printing will fail if function is not successful.
8736	* Similar function in reply.c will be used if protocol
8737	* is LANMAN1.0 instead of LM1.2X002.
8738	* Until DosPrintSetJobInfo with PRJINFO3 is supported,
8739	* outbuf doesn't have to be set(only job id is used).
8740	*/
8741	if ( (state->setup_count == 4)
8742	&& (tran_call == TRANSACT2_IOCTL)
8743	&& (SVAL(req->vwv+16, 0) == LMCAT_SPL)
8744	&& (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8745	DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
8746	} else {
8747	DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
8748	DEBUG(2,("Transaction is %d\n",tran_call));
8749	TALLOC_FREE(state);
8750	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8751	END_PROFILE(SMBtrans2);
8752	return;
8753	}
8754	}
8755
8756	if ((dscnt > state->total_data) \|\| (pscnt > state->total_param))
8757	goto bad_param;
8758
8759	if (state->total_data) {
8760
8761	if (trans_oob(state->total_data, 0, dscnt)
8762	\|\| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
8763	goto bad_param;
8764	}
8765
8766	/* Can't use talloc here, the core routines do realloc on the
8767	* params and data. */
8768	state->data = (char *)SMB_MALLOC(state->total_data);
8769	if (state->data == NULL) {
8770	DEBUG(0,("reply_trans2: data malloc fail for %u "
8771	"bytes !\n", (unsigned int)state->total_data));
8772	TALLOC_FREE(state);
8773	reply_nterror(req, NT_STATUS_NO_MEMORY);
8774	END_PROFILE(SMBtrans2);
8775	return;
8776	}
8777
8778	memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
8779	}
8780
8781	if (state->total_param) {
8782
8783	if (trans_oob(state->total_param, 0, pscnt)
8784	\|\| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
8785	goto bad_param;
8786	}
8787
8788	/* Can't use talloc here, the core routines do realloc on the
8789	* params and data. */
8790	state->param = (char *)SMB_MALLOC(state->total_param);
8791	if (state->param == NULL) {
8792	DEBUG(0,("reply_trans: param malloc fail for %u "
8793	"bytes !\n", (unsigned int)state->total_param));
8794	SAFE_FREE(state->data);
8795	TALLOC_FREE(state);
8796	reply_nterror(req, NT_STATUS_NO_MEMORY);
8797	END_PROFILE(SMBtrans2);
8798	return;
8799	}
8800
8801	memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8802	}
8803
8804	state->received_data = dscnt;
8805	state->received_param = pscnt;
8806
8807	if ((state->received_param == state->total_param) &&
8808	(state->received_data == state->total_data)) {
8809
8810	handle_trans2(conn, req, state);
8811
8812	SAFE_FREE(state->data);
8813	SAFE_FREE(state->param);
8814	TALLOC_FREE(state);
8815	END_PROFILE(SMBtrans2);
8816	return;
8817	}
8818
8819	DLIST_ADD(conn->pending_trans, state);
8820
8821	/* We need to send an interim response then receive the rest
8822	of the parameter/data bytes */
8823	reply_outbuf(req, 0, 0);
8824	show_msg((char *)req->outbuf);
8825	END_PROFILE(SMBtrans2);
8826	return;
8827
8828	bad_param:
8829
8830	DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8831	SAFE_FREE(state->data);
8832	SAFE_FREE(state->param);
8833	TALLOC_FREE(state);
8834	END_PROFILE(SMBtrans2);
8835	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8836	}
8837
8838
8839	/****************************************************************************
8840	Reply to a SMBtranss2
8841	****************************************************************************/
8842
8843	void reply_transs2(struct smb_request *req)
8844	{
8845	connection_struct *conn = req->conn;
8846	unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8847	struct trans_state *state;
8848
8849	START_PROFILE(SMBtranss2);
8850
8851	show_msg((char *)req->inbuf);
8852
8853	/* Windows clients expect all replies to
8854	a transact secondary (SMBtranss2 0x33)
8855	to have a command code of transact
8856	(SMBtrans2 0x32). See bug #8989
8857	and also [MS-CIFS] section 2.2.4.47.2
8858	for details.
8859	*/
8860	req->cmd = SMBtrans2;
8861
8862	if (req->wct < 8) {
8863	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8864	END_PROFILE(SMBtranss2);
8865	return;
8866	}
8867
8868	for (state = conn->pending_trans; state != NULL;
8869	state = state->next) {
8870	if (state->mid == req->mid) {
8871	break;
8872	}
8873	}
8874
8875	if ((state == NULL) \|\| (state->cmd != SMBtrans2)) {
8876	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8877	END_PROFILE(SMBtranss2);
8878	return;
8879	}
8880
8881	/* Revise state->total_param and state->total_data in case they have
8882	changed downwards */
8883
8884	if (SVAL(req->vwv+0, 0) < state->total_param)
8885	state->total_param = SVAL(req->vwv+0, 0);
8886	if (SVAL(req->vwv+1, 0) < state->total_data)
8887	state->total_data = SVAL(req->vwv+1, 0);
8888
8889	pcnt = SVAL(req->vwv+2, 0);
8890	poff = SVAL(req->vwv+3, 0);
8891	pdisp = SVAL(req->vwv+4, 0);
8892
8893	dcnt = SVAL(req->vwv+5, 0);
8894	doff = SVAL(req->vwv+6, 0);
8895	ddisp = SVAL(req->vwv+7, 0);
8896
8897	state->received_param += pcnt;
8898	state->received_data += dcnt;
8899
8900	if ((state->received_data > state->total_data) \|\|
8901	(state->received_param > state->total_param))
8902	goto bad_param;
8903
8904	if (pcnt) {
8905	if (trans_oob(state->total_param, pdisp, pcnt)
8906	\|\| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
8907	goto bad_param;
8908	}
8909	memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
8910	}
8911
8912	if (dcnt) {
8913	if (trans_oob(state->total_data, ddisp, dcnt)
8914	\|\| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
8915	goto bad_param;
8916	}
8917	memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
8918	}
8919
8920	if ((state->received_param < state->total_param) \|\|
8921	(state->received_data < state->total_data)) {
8922	END_PROFILE(SMBtranss2);
8923	return;
8924	}
8925
8926	handle_trans2(conn, req, state);
8927
8928	DLIST_REMOVE(conn->pending_trans, state);
8929	SAFE_FREE(state->data);
8930	SAFE_FREE(state->param);
8931	TALLOC_FREE(state);
8932
8933	END_PROFILE(SMBtranss2);
8934	return;
8935
8936	bad_param:
8937
8938	DEBUG(0,("reply_transs2: invalid trans parameters\n"));
8939	DLIST_REMOVE(conn->pending_trans, state);
8940	SAFE_FREE(state->data);
8941	SAFE_FREE(state->param);
8942	TALLOC_FREE(state);
8943	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8944	END_PROFILE(SMBtranss2);
8945	return;
8946	}

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