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source: vendor/3.6.24/source3/smbd/trans2.c

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Last change on this file was 860, checked in by Silvan Scherrer, 11 years ago
Samba 3.6: updated vendor to latest version
File size: 237.4 KB

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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 "ntioctl.h"
28	#include "system/filesys.h"
29	#include "version.h"
30	#include "smbd/smbd.h"
31	#include "smbd/globals.h"
32	#include "../libcli/auth/libcli_auth.h"
33	#include "../librpc/gen_ndr/xattr.h"
34	#include "../librpc/gen_ndr/ndr_security.h"
35	#include "libcli/security/security.h"
36	#include "trans2.h"
37	#include "auth.h"
38	#include "smbprofile.h"
39	#include "rpc_server/srv_pipe_hnd.h"
40	#include "libsmb/libsmb.h"
41
42	#define DIR_ENTRY_SAFETY_MARGIN 4096
43
44	static char store_file_unix_basic(connection_struct conn,
45	char *pdata,
46	files_struct *fsp,
47	const SMB_STRUCT_STAT *psbuf);
48
49	static char store_file_unix_basic_info2(connection_struct conn,
50	char *pdata,
51	files_struct *fsp,
52	const SMB_STRUCT_STAT *psbuf);
53
54	/********************************************************************
55	Roundup a value to the nearest allocation roundup size boundary.
56	Only do this for Windows clients.
57	********************************************************************/
58
59	uint64_t smb_roundup(connection_struct *conn, uint64_t val)
60	{
61	uint64_t rval = lp_allocation_roundup_size(SNUM(conn));
62
63	/* Only roundup for Windows clients. */
64	enum remote_arch_types ra_type = get_remote_arch();
65	if (rval && (ra_type != RA_SAMBA) && (ra_type != RA_CIFSFS)) {
66	val = SMB_ROUNDUP(val,rval);
67	}
68	return val;
69	}
70
71	/********************************************************************
72	Create a 64 bit FileIndex. If the file is on the same device as
73	the root of the share, just return the 64-bit inode. If it isn't,
74	mangle as we used to do.
75	********************************************************************/
76
77	uint64_t get_FileIndex(connection_struct conn, const SMB_STRUCT_STAT psbuf)
78	{
79	uint64_t file_index;
80	if (conn->base_share_dev == psbuf->st_ex_dev) {
81	return (uint64_t)psbuf->st_ex_ino;
82	}
83	file_index = ((psbuf->st_ex_ino) & UINT32_MAX); /* FileIndexLow */
84	file_index \|= ((uint64_t)((psbuf->st_ex_dev) & UINT32_MAX)) << 32; /* FileIndexHigh */
85	return file_index;
86	}
87
88	/****************************************************************************
89	Utility functions for dealing with extended attributes.
90	****************************************************************************/
91
92	/****************************************************************************
93	Refuse to allow clients to overwrite our private xattrs.
94	****************************************************************************/
95
96	static bool samba_private_attr_name(const char *unix_ea_name)
97	{
98	static const char * const prohibited_ea_names[] = {
99	SAMBA_POSIX_INHERITANCE_EA_NAME,
100	SAMBA_XATTR_DOS_ATTRIB,
101	SAMBA_XATTR_MARKER,
102	XATTR_NTACL_NAME,
103	NULL
104	};
105
106	int i;
107
108	for (i = 0; prohibited_ea_names[i]; i++) {
109	if (strequal( prohibited_ea_names[i], unix_ea_name))
110	return true;
111	}
112	if (StrnCaseCmp(unix_ea_name, SAMBA_XATTR_DOSSTREAM_PREFIX,
113	strlen(SAMBA_XATTR_DOSSTREAM_PREFIX)) == 0) {
114	return true;
115	}
116	return false;
117	}
118
119	/****************************************************************************
120	Get one EA value. Fill in a struct ea_struct.
121	****************************************************************************/
122
123	NTSTATUS get_ea_value(TALLOC_CTX mem_ctx, connection_struct conn,
124	files_struct fsp, const char fname,
125	const char ea_name, struct ea_struct pea)
126	{
127	/* Get the value of this xattr. Max size is 64k. */
128	size_t attr_size = 256;
129	char *val = NULL;
130	ssize_t sizeret;
131
132	again:
133
134	val = TALLOC_REALLOC_ARRAY(mem_ctx, val, char, attr_size);
135	if (!val) {
136	return NT_STATUS_NO_MEMORY;
137	}
138
139	if (fsp && fsp->fh->fd != -1) {
140	sizeret = SMB_VFS_FGETXATTR(fsp, ea_name, val, attr_size);
141	} else {
142	sizeret = SMB_VFS_GETXATTR(conn, fname, ea_name, val, attr_size);
143	}
144
145	if (sizeret == -1 && errno == ERANGE && attr_size != 65536) {
146	attr_size = 65536;
147	goto again;
148	}
149
150	if (sizeret == -1) {
151	return map_nt_error_from_unix(errno);
152	}
153
154	DEBUG(10,("get_ea_value: EA %s is of length %u\n", ea_name, (unsigned int)sizeret));
155	dump_data(10, (uint8 *)val, sizeret);
156
157	pea->flags = 0;
158	if (strnequal(ea_name, "user.", 5)) {
159	pea->name = talloc_strdup(mem_ctx, &ea_name[5]);
160	} else {
161	pea->name = talloc_strdup(mem_ctx, ea_name);
162	}
163	if (pea->name == NULL) {
164	TALLOC_FREE(val);
165	return NT_STATUS_NO_MEMORY;
166	}
167	pea->value.data = (unsigned char *)val;
168	pea->value.length = (size_t)sizeret;
169	return NT_STATUS_OK;
170	}
171
172	NTSTATUS get_ea_names_from_file(TALLOC_CTX mem_ctx, connection_struct conn,
173	files_struct fsp, const char fname,
174	char **pnames, size_t pnum_names)
175	{
176	/* Get a list of all xattrs. Max namesize is 64k. */
177	size_t ea_namelist_size = 1024;
178	char *ea_namelist = NULL;
179
180	char *p;
181	char names, tmp;
182	size_t num_names;
183	ssize_t sizeret = -1;
184
185	if (!lp_ea_support(SNUM(conn))) {
186	if (pnames) {
187	*pnames = NULL;
188	}
189	*pnum_names = 0;
190	return NT_STATUS_OK;
191	}
192
193	/*
194	* TALLOC the result early to get the talloc hierarchy right.
195	*/
196
197	names = TALLOC_ARRAY(mem_ctx, char *, 1);
198	if (names == NULL) {
199	DEBUG(0, ("talloc failed\n"));
200	return NT_STATUS_NO_MEMORY;
201	}
202
203	while (ea_namelist_size <= 65536) {
204
205	ea_namelist = TALLOC_REALLOC_ARRAY(
206	names, ea_namelist, char, ea_namelist_size);
207	if (ea_namelist == NULL) {
208	DEBUG(0, ("talloc failed\n"));
209	TALLOC_FREE(names);
210	return NT_STATUS_NO_MEMORY;
211	}
212
213	if (fsp && fsp->fh->fd != -1) {
214	sizeret = SMB_VFS_FLISTXATTR(fsp, ea_namelist,
215	ea_namelist_size);
216	} else {
217	sizeret = SMB_VFS_LISTXATTR(conn, fname, ea_namelist,
218	ea_namelist_size);
219	}
220
221	if ((sizeret == -1) && (errno == ERANGE)) {
222	ea_namelist_size *= 2;
223	}
224	else {
225	break;
226	}
227	}
228
229	if (sizeret == -1) {
230	TALLOC_FREE(names);
231	return map_nt_error_from_unix(errno);
232	}
233
234	DEBUG(10, ("get_ea_list_from_file: ea_namelist size = %u\n",
235	(unsigned int)sizeret));
236
237	if (sizeret == 0) {
238	TALLOC_FREE(names);
239	if (pnames) {
240	*pnames = NULL;
241	}
242	*pnum_names = 0;
243	return NT_STATUS_OK;
244	}
245
246	/*
247	* Ensure the result is 0-terminated
248	*/
249
250	if (ea_namelist[sizeret-1] != '\0') {
251	TALLOC_FREE(names);
252	return NT_STATUS_INTERNAL_ERROR;
253	}
254
255	/*
256	* count the names
257	*/
258	num_names = 0;
259
260	for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
261	num_names += 1;
262	}
263
264	tmp = TALLOC_REALLOC_ARRAY(mem_ctx, names, char *, num_names);
265	if (tmp == NULL) {
266	DEBUG(0, ("talloc failed\n"));
267	TALLOC_FREE(names);
268	return NT_STATUS_NO_MEMORY;
269	}
270
271	names = tmp;
272	num_names = 0;
273
274	for (p = ea_namelist; p - ea_namelist < sizeret; p += strlen(p)+1) {
275	names[num_names++] = p;
276	}
277
278	if (pnames) {
279	*pnames = names;
280	} else {
281	TALLOC_FREE(names);
282	}
283	*pnum_names = num_names;
284	return NT_STATUS_OK;
285	}
286
287	/****************************************************************************
288	Return a linked list of the total EA's. Plus the total size
289	****************************************************************************/
290
291	static struct ea_list get_ea_list_from_file(TALLOC_CTX mem_ctx, connection_struct conn, files_struct fsp,
292	const char fname, size_t pea_total_len)
293	{
294	/* Get a list of all xattrs. Max namesize is 64k. */
295	size_t i, num_names;
296	char **names;
297	struct ea_list *ea_list_head = NULL;
298	NTSTATUS status;
299
300	*pea_total_len = 0;
301
302	if (!lp_ea_support(SNUM(conn))) {
303	return NULL;
304	}
305
306	status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
307	&names, &num_names);
308
309	if (!NT_STATUS_IS_OK(status) \|\| (num_names == 0)) {
310	return NULL;
311	}
312
313	for (i=0; i<num_names; i++) {
314	struct ea_list *listp;
315	fstring dos_ea_name;
316
317	if (strnequal(names[i], "system.", 7)
318	\|\| samba_private_attr_name(names[i]))
319	continue;
320
321	listp = TALLOC_P(mem_ctx, struct ea_list);
322	if (listp == NULL) {
323	return NULL;
324	}
325
326	if (!NT_STATUS_IS_OK(get_ea_value(mem_ctx, conn, fsp,
327	fname, names[i],
328	&listp->ea))) {
329	return NULL;
330	}
331
332	if (listp->ea.value.length == 0) {
333	/*
334	* We can never return a zero length EA.
335	* Windows reports the EA's as corrupted.
336	*/
337	TALLOC_FREE(listp);
338	continue;
339	}
340
341	push_ascii_fstring(dos_ea_name, listp->ea.name);
342
343	*pea_total_len +=
344	4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
345
346	DEBUG(10,("get_ea_list_from_file: total_len = %u, %s, val len "
347	"= %u\n", (unsigned int)*pea_total_len, dos_ea_name,
348	(unsigned int)listp->ea.value.length));
349
350	DLIST_ADD_END(ea_list_head, listp, struct ea_list *);
351
352	}
353
354	/* Add on 4 for total length. */
355	if (*pea_total_len) {
356	*pea_total_len += 4;
357	}
358
359	DEBUG(10, ("get_ea_list_from_file: total_len = %u\n",
360	(unsigned int)*pea_total_len));
361
362	return ea_list_head;
363	}
364
365	/****************************************************************************
366	Fill a qfilepathinfo buffer with EA's. Returns the length of the buffer
367	that was filled.
368	****************************************************************************/
369
370	static unsigned int fill_ea_buffer(TALLOC_CTX mem_ctx, char pdata, unsigned int total_data_size,
371	connection_struct conn, struct ea_list ea_list)
372	{
373	unsigned int ret_data_size = 4;
374	char *p = pdata;
375
376	SMB_ASSERT(total_data_size >= 4);
377
378	if (!lp_ea_support(SNUM(conn))) {
379	SIVAL(pdata,4,0);
380	return 4;
381	}
382
383	for (p = pdata + 4; ea_list; ea_list = ea_list->next) {
384	size_t dos_namelen;
385	fstring dos_ea_name;
386	push_ascii_fstring(dos_ea_name, ea_list->ea.name);
387	dos_namelen = strlen(dos_ea_name);
388	if (dos_namelen > 255 \|\| dos_namelen == 0) {
389	break;
390	}
391	if (ea_list->ea.value.length > 65535) {
392	break;
393	}
394	if (4 + dos_namelen + 1 + ea_list->ea.value.length > total_data_size) {
395	break;
396	}
397
398	/* We know we have room. */
399	SCVAL(p,0,ea_list->ea.flags);
400	SCVAL(p,1,dos_namelen);
401	SSVAL(p,2,ea_list->ea.value.length);
402	fstrcpy(p+4, dos_ea_name);
403	memcpy( p + 4 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
404
405	total_data_size -= 4 + dos_namelen + 1 + ea_list->ea.value.length;
406	p += 4 + dos_namelen + 1 + ea_list->ea.value.length;
407	}
408
409	ret_data_size = PTR_DIFF(p, pdata);
410	DEBUG(10,("fill_ea_buffer: data_size = %u\n", ret_data_size ));
411	SIVAL(pdata,0,ret_data_size);
412	return ret_data_size;
413	}
414
415	static NTSTATUS fill_ea_chained_buffer(TALLOC_CTX *mem_ctx,
416	char *pdata,
417	unsigned int total_data_size,
418	unsigned int *ret_data_size,
419	connection_struct *conn,
420	struct ea_list *ea_list)
421	{
422	uint8_t p = (uint8_t )pdata;
423	uint8_t *last_start = NULL;
424	bool store_data = (pdata != NULL);
425
426	*ret_data_size = 0;
427
428	if (!lp_ea_support(SNUM(conn))) {
429	return NT_STATUS_NO_EAS_ON_FILE;
430	}
431
432	for (; ea_list; ea_list = ea_list->next) {
433	size_t dos_namelen;
434	fstring dos_ea_name;
435	size_t this_size;
436	size_t pad = 0;
437
438	if (last_start && store_data) {
439	SIVAL(last_start, 0, PTR_DIFF(p, last_start));
440	}
441	last_start = p;
442
443	push_ascii_fstring(dos_ea_name, ea_list->ea.name);
444	dos_namelen = strlen(dos_ea_name);
445	if (dos_namelen > 255 \|\| dos_namelen == 0) {
446	return NT_STATUS_INTERNAL_ERROR;
447	}
448	if (ea_list->ea.value.length > 65535) {
449	return NT_STATUS_INTERNAL_ERROR;
450	}
451
452	this_size = 0x08 + dos_namelen + 1 + ea_list->ea.value.length;
453
454	if (ea_list->next) {
455	pad = (4 - (this_size % 4)) % 4;
456	this_size += pad;
457	}
458
459	if (this_size > total_data_size) {
460	return NT_STATUS_INFO_LENGTH_MISMATCH;
461	}
462
463	/* We know we have room. */
464	if (store_data) {
465	SIVAL(p, 0x00, 0); /* next offset */
466	SCVAL(p, 0x04, ea_list->ea.flags);
467	SCVAL(p, 0x05, dos_namelen);
468	SSVAL(p, 0x06, ea_list->ea.value.length);
469	fstrcpy((char *)(p+0x08), dos_ea_name);
470	memcpy(p + 0x08 + dos_namelen + 1, ea_list->ea.value.data, ea_list->ea.value.length);
471	if (pad) {
472	memset(p + 0x08 + dos_namelen + 1 + ea_list->ea.value.length,
473	'\0',
474	pad);
475	}
476	}
477
478	total_data_size -= this_size;
479	p += this_size;
480	}
481
482	*ret_data_size = PTR_DIFF(p, pdata);
483	DEBUG(10,("fill_ea_chained_buffer: data_size = %u\n", *ret_data_size));
484	return NT_STATUS_OK;
485	}
486
487	static unsigned int estimate_ea_size(connection_struct conn, files_struct fsp, const char *fname)
488	{
489	size_t total_ea_len = 0;
490	struct ea_list *ea_list = NULL;
491	TALLOC_CTX *mem_ctx = NULL;
492
493	if (!lp_ea_support(SNUM(conn))) {
494	return 0;
495	}
496	mem_ctx = talloc_tos();
497	ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
498	if (ea_list == NULL) {
499	return 0;
500	}
501	if(conn->sconn->using_smb2) {
502	NTSTATUS status;
503	unsigned int ret_data_size;
504	/*
505	* We're going to be using fill_ea_chained_buffer() to
506	* marshall EA's - this size is significantly larger
507	* than the SMB1 buffer. Re-calculate the size without
508	* marshalling.
509	*/
510	status = fill_ea_chained_buffer(mem_ctx,
511	NULL,
512	65535,
513	&ret_data_size,
514	conn,
515	ea_list);
516	if (!NT_STATUS_IS_OK(status)) {
517	ret_data_size = 0;
518	}
519	total_ea_len = ret_data_size;
520	}
521
522	return total_ea_len;
523	}
524
525	/****************************************************************************
526	Ensure the EA name is case insensitive by matching any existing EA name.
527	****************************************************************************/
528
529	static void canonicalize_ea_name(connection_struct conn, files_struct fsp, const char *fname, fstring unix_ea_name)
530	{
531	size_t total_ea_len;
532	TALLOC_CTX *mem_ctx = talloc_tos();
533	struct ea_list *ea_list = get_ea_list_from_file(mem_ctx, conn, fsp, fname, &total_ea_len);
534
535	for (; ea_list; ea_list = ea_list->next) {
536	if (strequal(&unix_ea_name[5], ea_list->ea.name)) {
537	DEBUG(10,("canonicalize_ea_name: %s -> %s\n",
538	&unix_ea_name[5], ea_list->ea.name));
539	safe_strcpy(&unix_ea_name[5], ea_list->ea.name, sizeof(fstring)-6);
540	break;
541	}
542	}
543	}
544
545	/****************************************************************************
546	Set or delete an extended attribute.
547	****************************************************************************/
548
549	NTSTATUS set_ea(connection_struct conn, files_struct fsp,
550	const struct smb_filename smb_fname, struct ea_list ea_list)
551	{
552	char *fname = NULL;
553
554	if (!lp_ea_support(SNUM(conn))) {
555	return NT_STATUS_EAS_NOT_SUPPORTED;
556	}
557
558	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
559	return NT_STATUS_ACCESS_DENIED;
560	}
561
562	/* For now setting EAs on streams isn't supported. */
563	fname = smb_fname->base_name;
564
565	for (;ea_list; ea_list = ea_list->next) {
566	int ret;
567	fstring unix_ea_name;
568
569	fstrcpy(unix_ea_name, "user."); /* All EA's must start with user. */
570	fstrcat(unix_ea_name, ea_list->ea.name);
571
572	canonicalize_ea_name(conn, fsp, fname, unix_ea_name);
573
574	DEBUG(10,("set_ea: ea_name %s ealen = %u\n", unix_ea_name, (unsigned int)ea_list->ea.value.length));
575
576	if (samba_private_attr_name(unix_ea_name)) {
577	DEBUG(10,("set_ea: ea name %s is a private Samba name.\n", unix_ea_name));
578	return NT_STATUS_ACCESS_DENIED;
579	}
580
581	if (ea_list->ea.value.length == 0) {
582	/* Remove the attribute. */
583	if (fsp && (fsp->fh->fd != -1)) {
584	DEBUG(10,("set_ea: deleting ea name %s on "
585	"file %s by file descriptor.\n",
586	unix_ea_name, fsp_str_dbg(fsp)));
587	ret = SMB_VFS_FREMOVEXATTR(fsp, unix_ea_name);
588	} else {
589	DEBUG(10,("set_ea: deleting ea name %s on file %s.\n",
590	unix_ea_name, fname));
591	ret = SMB_VFS_REMOVEXATTR(conn, fname, unix_ea_name);
592	}
593	#ifdef ENOATTR
594	/* Removing a non existent attribute always succeeds. */
595	if (ret == -1 && errno == ENOATTR) {
596	DEBUG(10,("set_ea: deleting ea name %s didn't exist - succeeding by default.\n",
597	unix_ea_name));
598	ret = 0;
599	}
600	#endif
601	} else {
602	if (fsp && (fsp->fh->fd != -1)) {
603	DEBUG(10,("set_ea: setting ea name %s on file "
604	"%s by file descriptor.\n",
605	unix_ea_name, fsp_str_dbg(fsp)));
606	ret = SMB_VFS_FSETXATTR(fsp, unix_ea_name,
607	ea_list->ea.value.data, ea_list->ea.value.length, 0);
608	} else {
609	DEBUG(10,("set_ea: setting ea name %s on file %s.\n",
610	unix_ea_name, fname));
611	ret = SMB_VFS_SETXATTR(conn, fname, unix_ea_name,
612	ea_list->ea.value.data, ea_list->ea.value.length, 0);
613	}
614	}
615
616	if (ret == -1) {
617	#ifdef ENOTSUP
618	if (errno == ENOTSUP) {
619	return NT_STATUS_EAS_NOT_SUPPORTED;
620	}
621	#endif
622	return map_nt_error_from_unix(errno);
623	}
624
625	}
626	return NT_STATUS_OK;
627	}
628	/****************************************************************************
629	Read a list of EA names from an incoming data buffer. Create an ea_list with them.
630	****************************************************************************/
631
632	static struct ea_list read_ea_name_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
633	{
634	struct ea_list *ea_list_head = NULL;
635	size_t converted_size, offset = 0;
636
637	while (offset + 2 < data_size) {
638	struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
639	unsigned int namelen = CVAL(pdata,offset);
640
641	offset++; /* Go past the namelen byte. */
642
643	/* integer wrap paranioa. */
644	if ((offset + namelen < offset) \|\| (offset + namelen < namelen) \|\|
645	(offset > data_size) \|\| (namelen > data_size) \|\|
646	(offset + namelen >= data_size)) {
647	break;
648	}
649	/* Ensure the name is null terminated. */
650	if (pdata[offset + namelen] != '\0') {
651	return NULL;
652	}
653	if (!pull_ascii_talloc(ctx, &eal->ea.name, &pdata[offset],
654	&converted_size)) {
655	DEBUG(0,("read_ea_name_list: pull_ascii_talloc "
656	"failed: %s", strerror(errno)));
657	}
658	if (!eal->ea.name) {
659	return NULL;
660	}
661
662	offset += (namelen + 1); /* Go past the name + terminating zero. */
663	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
664	DEBUG(10,("read_ea_name_list: read ea name %s\n", eal->ea.name));
665	}
666
667	return ea_list_head;
668	}
669
670	/****************************************************************************
671	Read one EA list entry from the buffer.
672	****************************************************************************/
673
674	struct ea_list read_ea_list_entry(TALLOC_CTX ctx, const char pdata, size_t data_size, size_t pbytes_used)
675	{
676	struct ea_list *eal = TALLOC_ZERO_P(ctx, struct ea_list);
677	uint16 val_len;
678	unsigned int namelen;
679	size_t converted_size;
680
681	if (!eal) {
682	return NULL;
683	}
684
685	if (data_size < 6) {
686	return NULL;
687	}
688
689	eal->ea.flags = CVAL(pdata,0);
690	namelen = CVAL(pdata,1);
691	val_len = SVAL(pdata,2);
692
693	if (4 + namelen + 1 + val_len > data_size) {
694	return NULL;
695	}
696
697	/* Ensure the name is null terminated. */
698	if (pdata[namelen + 4] != '\0') {
699	return NULL;
700	}
701	if (!pull_ascii_talloc(ctx, &eal->ea.name, pdata + 4, &converted_size)) {
702	DEBUG(0,("read_ea_list_entry: pull_ascii_talloc failed: %s",
703	strerror(errno)));
704	}
705	if (!eal->ea.name) {
706	return NULL;
707	}
708
709	eal->ea.value = data_blob_talloc(eal, NULL, (size_t)val_len + 1);
710	if (!eal->ea.value.data) {
711	return NULL;
712	}
713
714	memcpy(eal->ea.value.data, pdata + 4 + namelen + 1, val_len);
715
716	/* Ensure we're null terminated just in case we print the value. */
717	eal->ea.value.data[val_len] = '\0';
718	/* But don't count the null. */
719	eal->ea.value.length--;
720
721	if (pbytes_used) {
722	*pbytes_used = 4 + namelen + 1 + val_len;
723	}
724
725	DEBUG(10,("read_ea_list_entry: read ea name %s\n", eal->ea.name));
726	dump_data(10, eal->ea.value.data, eal->ea.value.length);
727
728	return eal;
729	}
730
731	/****************************************************************************
732	Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
733	****************************************************************************/
734
735	static struct ea_list read_ea_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
736	{
737	struct ea_list *ea_list_head = NULL;
738	size_t offset = 0;
739	size_t bytes_used = 0;
740
741	while (offset < data_size) {
742	struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset, data_size - offset, &bytes_used);
743
744	if (!eal) {
745	return NULL;
746	}
747
748	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
749	offset += bytes_used;
750	}
751
752	return ea_list_head;
753	}
754
755	/****************************************************************************
756	Count the total EA size needed.
757	****************************************************************************/
758
759	static size_t ea_list_size(struct ea_list *ealist)
760	{
761	fstring dos_ea_name;
762	struct ea_list *listp;
763	size_t ret = 0;
764
765	for (listp = ealist; listp; listp = listp->next) {
766	push_ascii_fstring(dos_ea_name, listp->ea.name);
767	ret += 4 + strlen(dos_ea_name) + 1 + listp->ea.value.length;
768	}
769	/* Add on 4 for total length. */
770	if (ret) {
771	ret += 4;
772	}
773
774	return ret;
775	}
776
777	/****************************************************************************
778	Return a union of EA's from a file list and a list of names.
779	The TALLOC context for the two lists MUST be identical as we steal
780	memory from one list to add to another. JRA.
781	****************************************************************************/
782
783	static struct ea_list ea_list_union(struct ea_list name_list, struct ea_list file_list, size_t total_ea_len)
784	{
785	struct ea_list nlistp, flistp;
786
787	for (nlistp = name_list; nlistp; nlistp = nlistp->next) {
788	for (flistp = file_list; flistp; flistp = flistp->next) {
789	if (strequal(nlistp->ea.name, flistp->ea.name)) {
790	break;
791	}
792	}
793
794	if (flistp) {
795	/* Copy the data from this entry. */
796	nlistp->ea.flags = flistp->ea.flags;
797	nlistp->ea.value = flistp->ea.value;
798	} else {
799	/* Null entry. */
800	nlistp->ea.flags = 0;
801	ZERO_STRUCT(nlistp->ea.value);
802	}
803	}
804
805	*total_ea_len = ea_list_size(name_list);
806	return name_list;
807	}
808
809	/****************************************************************************
810	Send the required number of replies back.
811	We assume all fields other than the data fields are
812	set correctly for the type of call.
813	HACK ! Always assumes smb_setup field is zero.
814	****************************************************************************/
815
816	void send_trans2_replies(connection_struct *conn,
817	struct smb_request *req,
818	const char *params,
819	int paramsize,
820	const char *pdata,
821	int datasize,
822	int max_data_bytes)
823	{
824	/* As we are using a protocol > LANMAN1 then the max_send
825	variable must have been set in the sessetupX call.
826	This takes precedence over the max_xmit field in the
827	global struct. These different max_xmit variables should
828	be merged as this is now too confusing */
829
830	int data_to_send = datasize;
831	int params_to_send = paramsize;
832	int useable_space;
833	const char *pp = params;
834	const char *pd = pdata;
835	int params_sent_thistime, data_sent_thistime, total_sent_thistime;
836	int alignment_offset = 1; /* JRA. This used to be 3. Set to 1 to make netmon parse ok. */
837	int data_alignment_offset = 0;
838	bool overflow = False;
839	struct smbd_server_connection *sconn = req->sconn;
840	int max_send = sconn->smb1.sessions.max_send;
841
842	/* Modify the data_to_send and datasize and set the error if
843	we're trying to send more than max_data_bytes. We still send
844	the part of the packet(s) that fit. Strange, but needed
845	for OS/2. */
846
847	if (max_data_bytes > 0 && datasize > max_data_bytes) {
848	DEBUG(5,("send_trans2_replies: max_data_bytes %d exceeded by data %d\n",
849	max_data_bytes, datasize ));
850	datasize = data_to_send = max_data_bytes;
851	overflow = True;
852	}
853
854	/* If there genuinely are no parameters or data to send just send the empty packet */
855
856	if(params_to_send == 0 && data_to_send == 0) {
857	reply_outbuf(req, 10, 0);
858	show_msg((char *)req->outbuf);
859	if (!srv_send_smb(sconn,
860	(char *)req->outbuf,
861	true, req->seqnum+1,
862	IS_CONN_ENCRYPTED(conn),
863	&req->pcd)) {
864	exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
865	}
866	TALLOC_FREE(req->outbuf);
867	return;
868	}
869
870	/* When sending params and data ensure that both are nicely aligned */
871	/* Only do this alignment when there is also data to send - else
872	can cause NT redirector problems. */
873
874	if (((params_to_send % 4) != 0) && (data_to_send != 0))
875	data_alignment_offset = 4 - (params_to_send % 4);
876
877	/* Space is bufsize minus Netbios over TCP header minus SMB header */
878	/* The alignment_offset is to align the param bytes on an even byte
879	boundary. NT 4.0 Beta needs this to work correctly. */
880
881	useable_space = max_send - (smb_size
882	+ 2 * 10 /* wct */
883	+ alignment_offset
884	+ data_alignment_offset);
885
886	if (useable_space < 0) {
887	DEBUG(0, ("send_trans2_replies failed sanity useable_space "
888	"= %d!!!", useable_space));
889	exit_server_cleanly("send_trans2_replies: Not enough space");
890	}
891
892	while (params_to_send \|\| data_to_send) {
893	/* Calculate whether we will totally or partially fill this packet */
894
895	total_sent_thistime = params_to_send + data_to_send;
896
897	/* We can never send more than useable_space */
898	/*
899	* Note that 'useable_space' does not include the alignment offsets,
900	* but we must include the alignment offsets in the calculation of
901	* the length of the data we send over the wire, as the alignment offsets
902	* are sent here. Fix from Marc_Jacobsen@hp.com.
903	*/
904
905	total_sent_thistime = MIN(total_sent_thistime, useable_space);
906
907	reply_outbuf(req, 10, total_sent_thistime + alignment_offset
908	+ data_alignment_offset);
909
910	/* Set total params and data to be sent */
911	SSVAL(req->outbuf,smb_tprcnt,paramsize);
912	SSVAL(req->outbuf,smb_tdrcnt,datasize);
913
914	/* Calculate how many parameters and data we can fit into
915	* this packet. Parameters get precedence
916	*/
917
918	params_sent_thistime = MIN(params_to_send,useable_space);
919	data_sent_thistime = useable_space - params_sent_thistime;
920	data_sent_thistime = MIN(data_sent_thistime,data_to_send);
921
922	SSVAL(req->outbuf,smb_prcnt, params_sent_thistime);
923
924	/* smb_proff is the offset from the start of the SMB header to the
925	parameter bytes, however the first 4 bytes of outbuf are
926	the Netbios over TCP header. Thus use smb_base() to subtract
927	them from the calculation */
928
929	SSVAL(req->outbuf,smb_proff,
930	((smb_buf(req->outbuf)+alignment_offset)
931	- smb_base(req->outbuf)));
932
933	if(params_sent_thistime == 0)
934	SSVAL(req->outbuf,smb_prdisp,0);
935	else
936	/* Absolute displacement of param bytes sent in this packet */
937	SSVAL(req->outbuf,smb_prdisp,pp - params);
938
939	SSVAL(req->outbuf,smb_drcnt, data_sent_thistime);
940	if(data_sent_thistime == 0) {
941	SSVAL(req->outbuf,smb_droff,0);
942	SSVAL(req->outbuf,smb_drdisp, 0);
943	} else {
944	/* The offset of the data bytes is the offset of the
945	parameter bytes plus the number of parameters being sent this time */
946	SSVAL(req->outbuf, smb_droff,
947	((smb_buf(req->outbuf)+alignment_offset)
948	- smb_base(req->outbuf))
949	+ params_sent_thistime + data_alignment_offset);
950	SSVAL(req->outbuf,smb_drdisp, pd - pdata);
951	}
952
953	/* Initialize the padding for alignment */
954
955	if (alignment_offset != 0) {
956	memset(smb_buf(req->outbuf), 0, alignment_offset);
957	}
958
959	/* Copy the param bytes into the packet */
960
961	if(params_sent_thistime) {
962	memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
963	params_sent_thistime);
964	}
965
966	/* Copy in the data bytes */
967	if(data_sent_thistime) {
968	if (data_alignment_offset != 0) {
969	memset((smb_buf(req->outbuf)+alignment_offset+
970	params_sent_thistime), 0,
971	data_alignment_offset);
972	}
973	memcpy(smb_buf(req->outbuf)+alignment_offset
974	+params_sent_thistime+data_alignment_offset,
975	pd,data_sent_thistime);
976	}
977
978	DEBUG(9,("t2_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
979	params_sent_thistime, data_sent_thistime, useable_space));
980	DEBUG(9,("t2_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
981	params_to_send, data_to_send, paramsize, datasize));
982
983	if (overflow) {
984	error_packet_set((char *)req->outbuf,
985	ERRDOS,ERRbufferoverflow,
986	STATUS_BUFFER_OVERFLOW,
987	__LINE__,__FILE__);
988	}
989
990	/* Send the packet */
991	show_msg((char *)req->outbuf);
992	if (!srv_send_smb(sconn,
993	(char *)req->outbuf,
994	true, req->seqnum+1,
995	IS_CONN_ENCRYPTED(conn),
996	&req->pcd))
997	exit_server_cleanly("send_trans2_replies: srv_send_smb failed.");
998
999	TALLOC_FREE(req->outbuf);
1000
1001	pp += params_sent_thistime;
1002	pd += data_sent_thistime;
1003
1004	params_to_send -= params_sent_thistime;
1005	data_to_send -= data_sent_thistime;
1006
1007	/* Sanity check */
1008	if(params_to_send < 0 \|\| data_to_send < 0) {
1009	DEBUG(0,("send_trans2_replies failed sanity check pts = %d, dts = %d\n!!!",
1010	params_to_send, data_to_send));
1011	return;
1012	}
1013	}
1014
1015	return;
1016	}
1017
1018	/****************************************************************************
1019	Reply to a TRANSACT2_OPEN.
1020	****************************************************************************/
1021
1022	static void call_trans2open(connection_struct *conn,
1023	struct smb_request *req,
1024	char **pparams, int total_params,
1025	char **ppdata, int total_data,
1026	unsigned int max_data_bytes)
1027	{
1028	struct smb_filename *smb_fname = NULL;
1029	char params = pparams;
1030	char pdata = ppdata;
1031	int deny_mode;
1032	int32 open_attr;
1033	bool oplock_request;
1034	#if 0
1035	bool return_additional_info;
1036	int16 open_sattr;
1037	time_t open_time;
1038	#endif
1039	int open_ofun;
1040	uint32 open_size;
1041	char *pname;
1042	char *fname = NULL;
1043	SMB_OFF_T size=0;
1044	int fattr=0,mtime=0;
1045	SMB_INO_T inode = 0;
1046	int smb_action = 0;
1047	files_struct *fsp;
1048	struct ea_list *ea_list = NULL;
1049	uint16 flags = 0;
1050	NTSTATUS status;
1051	uint32 access_mask;
1052	uint32 share_mode;
1053	uint32 create_disposition;
1054	uint32 create_options = 0;
1055	uint32_t private_flags = 0;
1056	TALLOC_CTX *ctx = talloc_tos();
1057
1058	/*
1059	* Ensure we have enough parameters to perform the operation.
1060	*/
1061
1062	if (total_params < 29) {
1063	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1064	goto out;
1065	}
1066
1067	flags = SVAL(params, 0);
1068	deny_mode = SVAL(params, 2);
1069	open_attr = SVAL(params,6);
1070	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1071	if (oplock_request) {
1072	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
1073	}
1074
1075	#if 0
1076	return_additional_info = BITSETW(params,0);
1077	open_sattr = SVAL(params, 4);
1078	open_time = make_unix_date3(params+8);
1079	#endif
1080	open_ofun = SVAL(params,12);
1081	open_size = IVAL(params,14);
1082	pname = &params[28];
1083
1084	if (IS_IPC(conn)) {
1085	reply_nterror(req, NT_STATUS_NETWORK_ACCESS_DENIED);
1086	goto out;
1087	}
1088
1089	srvstr_get_path(ctx, params, req->flags2, &fname, pname,
1090	total_params - 28, STR_TERMINATE,
1091	&status);
1092	if (!NT_STATUS_IS_OK(status)) {
1093	reply_nterror(req, status);
1094	goto out;
1095	}
1096
1097	DEBUG(3,("call_trans2open %s deny_mode=0x%x attr=%d ofun=0x%x size=%d\n",
1098	fname, (unsigned int)deny_mode, (unsigned int)open_attr,
1099	(unsigned int)open_ofun, open_size));
1100
1101	status = filename_convert(ctx,
1102	conn,
1103	req->flags2 & FLAGS2_DFS_PATHNAMES,
1104	fname,
1105	0,
1106	NULL,
1107	&smb_fname);
1108	if (!NT_STATUS_IS_OK(status)) {
1109	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1110	reply_botherror(req,
1111	NT_STATUS_PATH_NOT_COVERED,
1112	ERRSRV, ERRbadpath);
1113	goto out;
1114	}
1115	reply_nterror(req, status);
1116	goto out;
1117	}
1118
1119	if (open_ofun == 0) {
1120	reply_nterror(req, NT_STATUS_OBJECT_NAME_COLLISION);
1121	goto out;
1122	}
1123
1124	if (!map_open_params_to_ntcreate(smb_fname->base_name, deny_mode,
1125	open_ofun,
1126	&access_mask, &share_mode,
1127	&create_disposition,
1128	&create_options,
1129	&private_flags)) {
1130	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1131	goto out;
1132	}
1133
1134	/* Any data in this call is an EA list. */
1135	if (total_data && (total_data != 4)) {
1136	if (total_data < 10) {
1137	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1138	goto out;
1139	}
1140
1141	if (IVAL(pdata,0) > total_data) {
1142	DEBUG(10,("call_trans2open: bad total data size (%u) > %u\n",
1143	IVAL(pdata,0), (unsigned int)total_data));
1144	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1145	goto out;
1146	}
1147
1148	ea_list = read_ea_list(talloc_tos(), pdata + 4,
1149	total_data - 4);
1150	if (!ea_list) {
1151	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1152	goto out;
1153	}
1154
1155	if (!lp_ea_support(SNUM(conn))) {
1156	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1157	goto out;
1158	}
1159	}
1160
1161	status = SMB_VFS_CREATE_FILE(
1162	conn, /* conn */
1163	req, /* req */
1164	0, /* root_dir_fid */
1165	smb_fname, /* fname */
1166	access_mask, /* access_mask */
1167	share_mode, /* share_access */
1168	create_disposition, /* create_disposition*/
1169	create_options, /* create_options */
1170	open_attr, /* file_attributes */
1171	oplock_request, /* oplock_request */
1172	open_size, /* allocation_size */
1173	private_flags,
1174	NULL, /* sd */
1175	ea_list, /* ea_list */
1176	&fsp, /* result */
1177	&smb_action); /* psbuf */
1178
1179	if (!NT_STATUS_IS_OK(status)) {
1180	if (open_was_deferred(req->mid)) {
1181	/* We have re-scheduled this call. */
1182	goto out;
1183	}
1184	reply_openerror(req, status);
1185	goto out;
1186	}
1187
1188	size = get_file_size_stat(&smb_fname->st);
1189	fattr = dos_mode(conn, smb_fname);
1190	mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1191	inode = smb_fname->st.st_ex_ino;
1192	if (fattr & FILE_ATTRIBUTE_DIRECTORY) {
1193	close_file(req, fsp, ERROR_CLOSE);
1194	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1195	goto out;
1196	}
1197
1198	/* Realloc the size of parameters and data we will return */
1199	pparams = (char )SMB_REALLOC(*pparams, 30);
1200	if(*pparams == NULL ) {
1201	reply_nterror(req, NT_STATUS_NO_MEMORY);
1202	goto out;
1203	}
1204	params = *pparams;
1205
1206	SSVAL(params,0,fsp->fnum);
1207	SSVAL(params,2,fattr);
1208	srv_put_dos_date2(params,4, mtime);
1209	SIVAL(params,8, (uint32)size);
1210	SSVAL(params,12,deny_mode);
1211	SSVAL(params,14,0); /* open_type - file or directory. */
1212	SSVAL(params,16,0); /* open_state - only valid for IPC device. */
1213
1214	if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1215	smb_action \|= EXTENDED_OPLOCK_GRANTED;
1216	}
1217
1218	SSVAL(params,18,smb_action);
1219
1220	/*
1221	* WARNING - this may need to be changed if SMB_INO_T <> 4 bytes.
1222	*/
1223	SIVAL(params,20,inode);
1224	SSVAL(params,24,0); /* Padding. */
1225	if (flags & 8) {
1226	uint32 ea_size = estimate_ea_size(conn, fsp,
1227	fsp->fsp_name->base_name);
1228	SIVAL(params, 26, ea_size);
1229	} else {
1230	SIVAL(params, 26, 0);
1231	}
1232
1233	/* Send the required number of replies */
1234	send_trans2_replies(conn, req, params, 30, *ppdata, 0, max_data_bytes);
1235	out:
1236	TALLOC_FREE(smb_fname);
1237	}
1238
1239	/*********************************************************
1240	Routine to check if a given string matches exactly.
1241	as a special case a mask of "." does NOT match. That
1242	is required for correct wildcard semantics
1243	Case can be significant or not.
1244	**********************************************************/
1245
1246	static bool exact_match(bool has_wild,
1247	bool case_sensitive,
1248	const char *str,
1249	const char *mask)
1250	{
1251	if (mask[0] == '.' && mask[1] == 0) {
1252	return false;
1253	}
1254
1255	if (has_wild) {
1256	return false;
1257	}
1258
1259	if (case_sensitive) {
1260	return strcmp(str,mask)==0;
1261	} else {
1262	return StrCaseCmp(str,mask) == 0;
1263	}
1264	}
1265
1266	/****************************************************************************
1267	Return the filetype for UNIX extensions.
1268	****************************************************************************/
1269
1270	static uint32 unix_filetype(mode_t mode)
1271	{
1272	if(S_ISREG(mode))
1273	return UNIX_TYPE_FILE;
1274	else if(S_ISDIR(mode))
1275	return UNIX_TYPE_DIR;
1276	#ifdef S_ISLNK
1277	else if(S_ISLNK(mode))
1278	return UNIX_TYPE_SYMLINK;
1279	#endif
1280	#ifdef S_ISCHR
1281	else if(S_ISCHR(mode))
1282	return UNIX_TYPE_CHARDEV;
1283	#endif
1284	#ifdef S_ISBLK
1285	else if(S_ISBLK(mode))
1286	return UNIX_TYPE_BLKDEV;
1287	#endif
1288	#ifdef S_ISFIFO
1289	else if(S_ISFIFO(mode))
1290	return UNIX_TYPE_FIFO;
1291	#endif
1292	#ifdef S_ISSOCK
1293	else if(S_ISSOCK(mode))
1294	return UNIX_TYPE_SOCKET;
1295	#endif
1296
1297	DEBUG(0,("unix_filetype: unknown filetype %u\n", (unsigned)mode));
1298	return UNIX_TYPE_UNKNOWN;
1299	}
1300
1301	/****************************************************************************
1302	Map wire perms onto standard UNIX permissions. Obey share restrictions.
1303	****************************************************************************/
1304
1305	enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR};
1306
1307	static NTSTATUS unix_perms_from_wire( connection_struct *conn,
1308	const SMB_STRUCT_STAT *psbuf,
1309	uint32 perms,
1310	enum perm_type ptype,
1311	mode_t *ret_perms)
1312	{
1313	mode_t ret = 0;
1314
1315	if (perms == SMB_MODE_NO_CHANGE) {
1316	if (!VALID_STAT(*psbuf)) {
1317	return NT_STATUS_INVALID_PARAMETER;
1318	} else {
1319	*ret_perms = psbuf->st_ex_mode;
1320	return NT_STATUS_OK;
1321	}
1322	}
1323
1324	ret \|= ((perms & UNIX_X_OTH ) ? S_IXOTH : 0);
1325	ret \|= ((perms & UNIX_W_OTH ) ? S_IWOTH : 0);
1326	ret \|= ((perms & UNIX_R_OTH ) ? S_IROTH : 0);
1327	ret \|= ((perms & UNIX_X_GRP ) ? S_IXGRP : 0);
1328	ret \|= ((perms & UNIX_W_GRP ) ? S_IWGRP : 0);
1329	ret \|= ((perms & UNIX_R_GRP ) ? S_IRGRP : 0);
1330	ret \|= ((perms & UNIX_X_USR ) ? S_IXUSR : 0);
1331	ret \|= ((perms & UNIX_W_USR ) ? S_IWUSR : 0);
1332	ret \|= ((perms & UNIX_R_USR ) ? S_IRUSR : 0);
1333	#ifdef S_ISVTX
1334	ret \|= ((perms & UNIX_STICKY ) ? S_ISVTX : 0);
1335	#endif
1336	#ifdef S_ISGID
1337	ret \|= ((perms & UNIX_SET_GID ) ? S_ISGID : 0);
1338	#endif
1339	#ifdef S_ISUID
1340	ret \|= ((perms & UNIX_SET_UID ) ? S_ISUID : 0);
1341	#endif
1342
1343	switch (ptype) {
1344	case PERM_NEW_FILE:
1345	/* Apply mode mask */
1346	ret &= lp_create_mask(SNUM(conn));
1347	/* Add in force bits */
1348	ret \|= lp_force_create_mode(SNUM(conn));
1349	break;
1350	case PERM_NEW_DIR:
1351	ret &= lp_dir_mask(SNUM(conn));
1352	/* Add in force bits */
1353	ret \|= lp_force_dir_mode(SNUM(conn));
1354	break;
1355	case PERM_EXISTING_FILE:
1356	/* Apply mode mask */
1357	ret &= lp_security_mask(SNUM(conn));
1358	/* Add in force bits */
1359	ret \|= lp_force_security_mode(SNUM(conn));
1360	break;
1361	case PERM_EXISTING_DIR:
1362	/* Apply mode mask */
1363	ret &= lp_dir_security_mask(SNUM(conn));
1364	/* Add in force bits */
1365	ret \|= lp_force_dir_security_mode(SNUM(conn));
1366	break;
1367	}
1368
1369	*ret_perms = ret;
1370	return NT_STATUS_OK;
1371	}
1372
1373	/****************************************************************************
1374	Needed to show the msdfs symlinks as directories. Modifies psbuf
1375	to be a directory if it's a msdfs link.
1376	****************************************************************************/
1377
1378	static bool check_msdfs_link(connection_struct *conn,
1379	const char *pathname,
1380	SMB_STRUCT_STAT *psbuf)
1381	{
1382	int saved_errno = errno;
1383	if(lp_host_msdfs() &&
1384	lp_msdfs_root(SNUM(conn)) &&
1385	is_msdfs_link(conn, pathname, psbuf)) {
1386
1387	DEBUG(5,("check_msdfs_link: Masquerading msdfs link %s "
1388	"as a directory\n",
1389	pathname));
1390	psbuf->st_ex_mode = (psbuf->st_ex_mode & 0xFFF) \| S_IFDIR;
1391	errno = saved_errno;
1392	return true;
1393	}
1394	errno = saved_errno;
1395	return false;
1396	}
1397
1398
1399	/****************************************************************************
1400	Get a level dependent lanman2 dir entry.
1401	****************************************************************************/
1402
1403	struct smbd_dirptr_lanman2_state {
1404	connection_struct *conn;
1405	uint32_t info_level;
1406	bool check_mangled_names;
1407	bool has_wild;
1408	bool got_exact_match;
1409	};
1410
1411	static bool smbd_dirptr_lanman2_match_fn(TALLOC_CTX *ctx,
1412	void *private_data,
1413	const char *dname,
1414	const char *mask,
1415	char **_fname)
1416	{
1417	struct smbd_dirptr_lanman2_state *state =
1418	(struct smbd_dirptr_lanman2_state *)private_data;
1419	bool ok;
1420	char mangled_name[13]; /* mangled 8.3 name. */
1421	bool got_match;
1422	const char *fname;
1423
1424	/* Mangle fname if it's an illegal name. */
1425	if (mangle_must_mangle(dname, state->conn->params)) {
1426	ok = name_to_8_3(dname, mangled_name,
1427	true, state->conn->params);
1428	if (!ok) {
1429	return false;
1430	}
1431	fname = mangled_name;
1432	} else {
1433	fname = dname;
1434	}
1435
1436	got_match = exact_match(state->has_wild,
1437	state->conn->case_sensitive,
1438	fname, mask);
1439	state->got_exact_match = got_match;
1440	if (!got_match) {
1441	got_match = mask_match(fname, mask,
1442	state->conn->case_sensitive);
1443	}
1444
1445	if(!got_match && state->check_mangled_names &&
1446	!mangle_is_8_3(fname, false, state->conn->params)) {
1447	/*
1448	* It turns out that NT matches wildcards against
1449	* both long and short names. This may explain some
1450	* of the wildcard wierdness from old DOS clients
1451	* that some people have been seeing.... JRA.
1452	*/
1453	/* Force the mangling into 8.3. */
1454	ok = name_to_8_3(fname, mangled_name,
1455	false, state->conn->params);
1456	if (!ok) {
1457	return false;
1458	}
1459
1460	got_match = exact_match(state->has_wild,
1461	state->conn->case_sensitive,
1462	mangled_name, mask);
1463	state->got_exact_match = got_match;
1464	if (!got_match) {
1465	got_match = mask_match(mangled_name, mask,
1466	state->conn->case_sensitive);
1467	}
1468	}
1469
1470	if (!got_match) {
1471	return false;
1472	}
1473
1474	*_fname = talloc_strdup(ctx, fname);
1475	if (*_fname == NULL) {
1476	return false;
1477	}
1478
1479	return true;
1480	}
1481
1482	static bool smbd_dirptr_lanman2_mode_fn(TALLOC_CTX *ctx,
1483	void *private_data,
1484	struct smb_filename *smb_fname,
1485	uint32_t *_mode)
1486	{
1487	struct smbd_dirptr_lanman2_state *state =
1488	(struct smbd_dirptr_lanman2_state *)private_data;
1489	bool ms_dfs_link = false;
1490	uint32_t mode = 0;
1491
1492	if (INFO_LEVEL_IS_UNIX(state->info_level)) {
1493	if (SMB_VFS_LSTAT(state->conn, smb_fname) != 0) {
1494	DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1495	"Couldn't lstat [%s] (%s)\n",
1496	smb_fname_str_dbg(smb_fname),
1497	strerror(errno)));
1498	return false;
1499	}
1500	} else if (!VALID_STAT(smb_fname->st) &&
1501	SMB_VFS_STAT(state->conn, smb_fname) != 0) {
1502	/* Needed to show the msdfs symlinks as
1503	* directories */
1504
1505	ms_dfs_link = check_msdfs_link(state->conn,
1506	smb_fname->base_name,
1507	&smb_fname->st);
1508	if (!ms_dfs_link) {
1509	DEBUG(5,("smbd_dirptr_lanman2_mode_fn: "
1510	"Couldn't stat [%s] (%s)\n",
1511	smb_fname_str_dbg(smb_fname),
1512	strerror(errno)));
1513	return false;
1514	}
1515	}
1516
1517	if (ms_dfs_link) {
1518	mode = dos_mode_msdfs(state->conn, smb_fname);
1519	} else {
1520	mode = dos_mode(state->conn, smb_fname);
1521	}
1522
1523	*_mode = mode;
1524	return true;
1525	}
1526
1527	static bool smbd_marshall_dir_entry(TALLOC_CTX *ctx,
1528	connection_struct *conn,
1529	uint16_t flags2,
1530	uint32_t info_level,
1531	struct ea_list *name_list,
1532	bool check_mangled_names,
1533	bool requires_resume_key,
1534	uint32_t mode,
1535	const char *fname,
1536	const struct smb_filename *smb_fname,
1537	int space_remaining,
1538	uint8_t align,
1539	bool do_pad,
1540	char *base_data,
1541	char **ppdata,
1542	char *end_data,
1543	bool *out_of_space,
1544	uint64_t *last_entry_off)
1545	{
1546	char p, q, pdata = ppdata;
1547	uint32_t reskey=0;
1548	uint64_t file_size = 0;
1549	uint64_t allocation_size = 0;
1550	uint64_t file_index = 0;
1551	uint32_t len;
1552	struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
1553	time_t mdate = (time_t)0, adate = (time_t)0, create_date = (time_t)0;
1554	time_t c_date = (time_t)0;
1555	char *nameptr;
1556	char *last_entry_ptr;
1557	bool was_8_3;
1558	int off;
1559	int pad = 0;
1560
1561	*out_of_space = false;
1562
1563	ZERO_STRUCT(mdate_ts);
1564	ZERO_STRUCT(adate_ts);
1565	ZERO_STRUCT(create_date_ts);
1566	ZERO_STRUCT(cdate_ts);
1567
1568	if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
1569	file_size = get_file_size_stat(&smb_fname->st);
1570	}
1571	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
1572
1573	file_index = get_FileIndex(conn, &smb_fname->st);
1574
1575	mdate_ts = smb_fname->st.st_ex_mtime;
1576	adate_ts = smb_fname->st.st_ex_atime;
1577	create_date_ts = get_create_timespec(conn, NULL, smb_fname);
1578	cdate_ts = get_change_timespec(conn, NULL, smb_fname);
1579
1580	if (lp_dos_filetime_resolution(SNUM(conn))) {
1581	dos_filetime_timespec(&create_date_ts);
1582	dos_filetime_timespec(&mdate_ts);
1583	dos_filetime_timespec(&adate_ts);
1584	dos_filetime_timespec(&cdate_ts);
1585	}
1586
1587	create_date = convert_timespec_to_time_t(create_date_ts);
1588	mdate = convert_timespec_to_time_t(mdate_ts);
1589	adate = convert_timespec_to_time_t(adate_ts);
1590	c_date = convert_timespec_to_time_t(cdate_ts);
1591
1592	/* align the record */
1593	SMB_ASSERT(align >= 1);
1594
1595	off = (int)PTR_DIFF(pdata, base_data);
1596	pad = (off + (align-1)) & ~(align-1);
1597	pad -= off;
1598
1599	if (pad && pad > space_remaining) {
1600	*out_of_space = true;
1601	DEBUG(9,("smbd_marshall_dir_entry: out of space "
1602	"for padding (wanted %u, had %d)\n",
1603	(unsigned int)pad,
1604	space_remaining ));
1605	return false; /* Not finished - just out of space */
1606	}
1607
1608	off += pad;
1609	/* initialize padding to 0 */
1610	if (pad) {
1611	memset(pdata, 0, pad);
1612	}
1613	space_remaining -= pad;
1614
1615	DEBUG(10,("smbd_marshall_dir_entry: space_remaining = %d\n",
1616	space_remaining ));
1617
1618	pdata += pad;
1619	p = pdata;
1620	last_entry_ptr = p;
1621
1622	pad = 0;
1623	off = 0;
1624
1625	switch (info_level) {
1626	case SMB_FIND_INFO_STANDARD:
1627	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_INFO_STANDARD\n"));
1628	if(requires_resume_key) {
1629	SIVAL(p,0,reskey);
1630	p += 4;
1631	}
1632	srv_put_dos_date2(p,0,create_date);
1633	srv_put_dos_date2(p,4,adate);
1634	srv_put_dos_date2(p,8,mdate);
1635	SIVAL(p,12,(uint32)file_size);
1636	SIVAL(p,16,(uint32)allocation_size);
1637	SSVAL(p,20,mode);
1638	p += 23;
1639	nameptr = p;
1640	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1641	p += ucs2_align(base_data, p, 0);
1642	}
1643	len = srvstr_push(base_data, flags2, p,
1644	fname, PTR_DIFF(end_data, p),
1645	STR_TERMINATE);
1646	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1647	if (len > 2) {
1648	SCVAL(nameptr, -1, len - 2);
1649	} else {
1650	SCVAL(nameptr, -1, 0);
1651	}
1652	} else {
1653	if (len > 1) {
1654	SCVAL(nameptr, -1, len - 1);
1655	} else {
1656	SCVAL(nameptr, -1, 0);
1657	}
1658	}
1659	p += len;
1660	break;
1661
1662	case SMB_FIND_EA_SIZE:
1663	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_SIZE\n"));
1664	if (requires_resume_key) {
1665	SIVAL(p,0,reskey);
1666	p += 4;
1667	}
1668	srv_put_dos_date2(p,0,create_date);
1669	srv_put_dos_date2(p,4,adate);
1670	srv_put_dos_date2(p,8,mdate);
1671	SIVAL(p,12,(uint32)file_size);
1672	SIVAL(p,16,(uint32)allocation_size);
1673	SSVAL(p,20,mode);
1674	{
1675	unsigned int ea_size = estimate_ea_size(conn, NULL,
1676	smb_fname->base_name);
1677	SIVAL(p,22,ea_size); /* Extended attributes */
1678	}
1679	p += 27;
1680	nameptr = p - 1;
1681	len = srvstr_push(base_data, flags2,
1682	p, fname, PTR_DIFF(end_data, p),
1683	STR_TERMINATE \| STR_NOALIGN);
1684	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1685	if (len > 2) {
1686	len -= 2;
1687	} else {
1688	len = 0;
1689	}
1690	} else {
1691	if (len > 1) {
1692	len -= 1;
1693	} else {
1694	len = 0;
1695	}
1696	}
1697	SCVAL(nameptr,0,len);
1698	p += len;
1699	SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1700	break;
1701
1702	case SMB_FIND_EA_LIST:
1703	{
1704	struct ea_list *file_list = NULL;
1705	size_t ea_len = 0;
1706
1707	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_EA_LIST\n"));
1708	if (!name_list) {
1709	return false;
1710	}
1711	if (requires_resume_key) {
1712	SIVAL(p,0,reskey);
1713	p += 4;
1714	}
1715	srv_put_dos_date2(p,0,create_date);
1716	srv_put_dos_date2(p,4,adate);
1717	srv_put_dos_date2(p,8,mdate);
1718	SIVAL(p,12,(uint32)file_size);
1719	SIVAL(p,16,(uint32)allocation_size);
1720	SSVAL(p,20,mode);
1721	p += 22; /* p now points to the EA area. */
1722
1723	file_list = get_ea_list_from_file(ctx, conn, NULL,
1724	smb_fname->base_name,
1725	&ea_len);
1726	name_list = ea_list_union(name_list, file_list, &ea_len);
1727
1728	/* We need to determine if this entry will fit in the space available. */
1729	/* Max string size is 255 bytes. */
1730	if (PTR_DIFF(p + 255 + ea_len,pdata) > space_remaining) {
1731	*out_of_space = true;
1732	DEBUG(9,("smbd_marshall_dir_entry: out of space "
1733	"(wanted %u, had %d)\n",
1734	(unsigned int)PTR_DIFF(p + 255 + ea_len,pdata),
1735	space_remaining ));
1736	return False; /* Not finished - just out of space */
1737	}
1738
1739	/* Push the ea_data followed by the name. */
1740	p += fill_ea_buffer(ctx, p, space_remaining, conn, name_list);
1741	nameptr = p;
1742	len = srvstr_push(base_data, flags2,
1743	p + 1, fname, PTR_DIFF(end_data, p+1),
1744	STR_TERMINATE \| STR_NOALIGN);
1745	if (flags2 & FLAGS2_UNICODE_STRINGS) {
1746	if (len > 2) {
1747	len -= 2;
1748	} else {
1749	len = 0;
1750	}
1751	} else {
1752	if (len > 1) {
1753	len -= 1;
1754	} else {
1755	len = 0;
1756	}
1757	}
1758	SCVAL(nameptr,0,len);
1759	p += len + 1;
1760	SCVAL(p,0,0); p += 1; /* Extra zero byte ? - why.. */
1761	break;
1762	}
1763
1764	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
1765	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_BOTH_DIRECTORY_INFO\n"));
1766	was_8_3 = mangle_is_8_3(fname, True, conn->params);
1767	p += 4;
1768	SIVAL(p,0,reskey); p += 4;
1769	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1770	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1771	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1772	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1773	SOFF_T(p,0,file_size); p += 8;
1774	SOFF_T(p,0,allocation_size); p += 8;
1775	SIVAL(p,0,mode); p += 4;
1776	q = p; p += 4; /* q is placeholder for name length. */
1777	if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
1778	SIVAL(p, 0, IO_REPARSE_TAG_DFS);
1779	} else {
1780	unsigned int ea_size = estimate_ea_size(conn, NULL,
1781	smb_fname->base_name);
1782	SIVAL(p,0,ea_size); /* Extended attributes */
1783	}
1784	p += 4;
1785	/* Clear the short name buffer. This is
1786	* IMPORTANT as not doing so will trigger
1787	* a Win2k client bug. JRA.
1788	*/
1789	if (!was_8_3 && check_mangled_names) {
1790	char mangled_name[13]; /* mangled 8.3 name. */
1791	if (!name_to_8_3(fname,mangled_name,True,
1792	conn->params)) {
1793	/* Error - mangle failed ! */
1794	memset(mangled_name,'\0',12);
1795	}
1796	mangled_name[12] = 0;
1797	len = srvstr_push(base_data, flags2,
1798	p+2, mangled_name, 24,
1799	STR_UPPER\|STR_UNICODE);
1800	if (len < 24) {
1801	memset(p + 2 + len,'\0',24 - len);
1802	}
1803	SSVAL(p, 0, len);
1804	} else {
1805	memset(p,'\0',26);
1806	}
1807	p += 2 + 24;
1808	len = srvstr_push(base_data, flags2, p,
1809	fname, PTR_DIFF(end_data, p),
1810	STR_TERMINATE_ASCII);
1811	SIVAL(q,0,len);
1812	p += len;
1813
1814	len = PTR_DIFF(p, pdata);
1815	pad = (len + (align-1)) & ~(align-1);
1816	/*
1817	* offset to the next entry, the caller
1818	* will overwrite it for the last entry
1819	* that's why we always include the padding
1820	*/
1821	SIVAL(pdata,0,pad);
1822	/*
1823	* set padding to zero
1824	*/
1825	if (do_pad) {
1826	memset(p, 0, pad - len);
1827	p = pdata + pad;
1828	} else {
1829	p = pdata + len;
1830	}
1831	break;
1832
1833	case SMB_FIND_FILE_DIRECTORY_INFO:
1834	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_DIRECTORY_INFO\n"));
1835	p += 4;
1836	SIVAL(p,0,reskey); p += 4;
1837	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1838	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1839	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1840	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1841	SOFF_T(p,0,file_size); p += 8;
1842	SOFF_T(p,0,allocation_size); p += 8;
1843	SIVAL(p,0,mode); p += 4;
1844	len = srvstr_push(base_data, flags2,
1845	p + 4, fname, PTR_DIFF(end_data, p+4),
1846	STR_TERMINATE_ASCII);
1847	SIVAL(p,0,len);
1848	p += 4 + len;
1849
1850	len = PTR_DIFF(p, pdata);
1851	pad = (len + (align-1)) & ~(align-1);
1852	/*
1853	* offset to the next entry, the caller
1854	* will overwrite it for the last entry
1855	* that's why we always include the padding
1856	*/
1857	SIVAL(pdata,0,pad);
1858	/*
1859	* set padding to zero
1860	*/
1861	if (do_pad) {
1862	memset(p, 0, pad - len);
1863	p = pdata + pad;
1864	} else {
1865	p = pdata + len;
1866	}
1867	break;
1868
1869	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
1870	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_FULL_DIRECTORY_INFO\n"));
1871	p += 4;
1872	SIVAL(p,0,reskey); p += 4;
1873	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1874	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1875	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1876	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1877	SOFF_T(p,0,file_size); p += 8;
1878	SOFF_T(p,0,allocation_size); p += 8;
1879	SIVAL(p,0,mode); p += 4;
1880	q = p; p += 4; /* q is placeholder for name length. */
1881	{
1882	unsigned int ea_size = estimate_ea_size(conn, NULL,
1883	smb_fname->base_name);
1884	SIVAL(p,0,ea_size); /* Extended attributes */
1885	p +=4;
1886	}
1887	len = srvstr_push(base_data, flags2, p,
1888	fname, PTR_DIFF(end_data, p),
1889	STR_TERMINATE_ASCII);
1890	SIVAL(q, 0, len);
1891	p += len;
1892
1893	len = PTR_DIFF(p, pdata);
1894	pad = (len + (align-1)) & ~(align-1);
1895	/*
1896	* offset to the next entry, the caller
1897	* will overwrite it for the last entry
1898	* that's why we always include the padding
1899	*/
1900	SIVAL(pdata,0,pad);
1901	/*
1902	* set padding to zero
1903	*/
1904	if (do_pad) {
1905	memset(p, 0, pad - len);
1906	p = pdata + pad;
1907	} else {
1908	p = pdata + len;
1909	}
1910	break;
1911
1912	case SMB_FIND_FILE_NAMES_INFO:
1913	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_NAMES_INFO\n"));
1914	p += 4;
1915	SIVAL(p,0,reskey); p += 4;
1916	p += 4;
1917	/* this must not be null terminated or w2k gets in a loop trying to set an
1918	acl on a dir (tridge) */
1919	len = srvstr_push(base_data, flags2, p,
1920	fname, PTR_DIFF(end_data, p),
1921	STR_TERMINATE_ASCII);
1922	SIVAL(p, -4, len);
1923	p += len;
1924
1925	len = PTR_DIFF(p, pdata);
1926	pad = (len + (align-1)) & ~(align-1);
1927	/*
1928	* offset to the next entry, the caller
1929	* will overwrite it for the last entry
1930	* that's why we always include the padding
1931	*/
1932	SIVAL(pdata,0,pad);
1933	/*
1934	* set padding to zero
1935	*/
1936	if (do_pad) {
1937	memset(p, 0, pad - len);
1938	p = pdata + pad;
1939	} else {
1940	p = pdata + len;
1941	}
1942	break;
1943
1944	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
1945	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_FULL_DIRECTORY_INFO\n"));
1946	p += 4;
1947	SIVAL(p,0,reskey); p += 4;
1948	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1949	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1950	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1951	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
1952	SOFF_T(p,0,file_size); p += 8;
1953	SOFF_T(p,0,allocation_size); p += 8;
1954	SIVAL(p,0,mode); p += 4;
1955	q = p; p += 4; /* q is placeholder for name length. */
1956	if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
1957	SIVAL(p, 0, IO_REPARSE_TAG_DFS);
1958	} else {
1959	unsigned int ea_size = estimate_ea_size(conn, NULL,
1960	smb_fname->base_name);
1961	SIVAL(p,0,ea_size); /* Extended attributes */
1962	}
1963	p +=4;
1964	SIVAL(p,0,0); p += 4; /* Unknown - reserved ? */
1965	SBVAL(p,0,file_index); p += 8;
1966	len = srvstr_push(base_data, flags2, p,
1967	fname, PTR_DIFF(end_data, p),
1968	STR_TERMINATE_ASCII);
1969	SIVAL(q, 0, len);
1970	p += len;
1971
1972	len = PTR_DIFF(p, pdata);
1973	pad = (len + (align-1)) & ~(align-1);
1974	/*
1975	* offset to the next entry, the caller
1976	* will overwrite it for the last entry
1977	* that's why we always include the padding
1978	*/
1979	SIVAL(pdata,0,pad);
1980	/*
1981	* set padding to zero
1982	*/
1983	if (do_pad) {
1984	memset(p, 0, pad - len);
1985	p = pdata + pad;
1986	} else {
1987	p = pdata + len;
1988	}
1989	break;
1990
1991	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
1992	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_ID_BOTH_DIRECTORY_INFO\n"));
1993	was_8_3 = mangle_is_8_3(fname, True, conn->params);
1994	p += 4;
1995	SIVAL(p,0,reskey); p += 4;
1996	put_long_date_timespec(conn->ts_res,p,create_date_ts); p += 8;
1997	put_long_date_timespec(conn->ts_res,p,adate_ts); p += 8;
1998	put_long_date_timespec(conn->ts_res,p,mdate_ts); p += 8;
1999	put_long_date_timespec(conn->ts_res,p,cdate_ts); p += 8;
2000	SOFF_T(p,0,file_size); p += 8;
2001	SOFF_T(p,0,allocation_size); p += 8;
2002	SIVAL(p,0,mode); p += 4;
2003	q = p; p += 4; /* q is placeholder for name length */
2004	if (mode & FILE_ATTRIBUTE_REPARSE_POINT) {
2005	SIVAL(p, 0, IO_REPARSE_TAG_DFS);
2006	} else {
2007	unsigned int ea_size = estimate_ea_size(conn, NULL,
2008	smb_fname->base_name);
2009	SIVAL(p,0,ea_size); /* Extended attributes */
2010	}
2011	p +=4;
2012	/* Clear the short name buffer. This is
2013	* IMPORTANT as not doing so will trigger
2014	* a Win2k client bug. JRA.
2015	*/
2016	if (!was_8_3 && check_mangled_names) {
2017	char mangled_name[13]; /* mangled 8.3 name. */
2018	if (!name_to_8_3(fname,mangled_name,True,
2019	conn->params)) {
2020	/* Error - mangle failed ! */
2021	memset(mangled_name,'\0',12);
2022	}
2023	mangled_name[12] = 0;
2024	len = srvstr_push(base_data, flags2,
2025	p+2, mangled_name, 24,
2026	STR_UPPER\|STR_UNICODE);
2027	SSVAL(p, 0, len);
2028	if (len < 24) {
2029	memset(p + 2 + len,'\0',24 - len);
2030	}
2031	SSVAL(p, 0, len);
2032	} else {
2033	memset(p,'\0',26);
2034	}
2035	p += 26;
2036	SSVAL(p,0,0); p += 2; /* Reserved ? */
2037	SBVAL(p,0,file_index); p += 8;
2038	len = srvstr_push(base_data, flags2, p,
2039	fname, PTR_DIFF(end_data, p),
2040	STR_TERMINATE_ASCII);
2041	SIVAL(q,0,len);
2042	p += len;
2043
2044	len = PTR_DIFF(p, pdata);
2045	pad = (len + (align-1)) & ~(align-1);
2046	/*
2047	* offset to the next entry, the caller
2048	* will overwrite it for the last entry
2049	* that's why we always include the padding
2050	*/
2051	SIVAL(pdata,0,pad);
2052	/*
2053	* set padding to zero
2054	*/
2055	if (do_pad) {
2056	memset(p, 0, pad - len);
2057	p = pdata + pad;
2058	} else {
2059	p = pdata + len;
2060	}
2061	break;
2062
2063	/* CIFS UNIX Extension. */
2064
2065	case SMB_FIND_FILE_UNIX:
2066	case SMB_FIND_FILE_UNIX_INFO2:
2067	p+= 4;
2068	SIVAL(p,0,reskey); p+= 4; /* Used for continuing search. */
2069
2070	/* Begin of SMB_QUERY_FILE_UNIX_BASIC */
2071
2072	if (info_level == SMB_FIND_FILE_UNIX) {
2073	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX\n"));
2074	p = store_file_unix_basic(conn, p,
2075	NULL, &smb_fname->st);
2076	len = srvstr_push(base_data, flags2, p,
2077	fname, PTR_DIFF(end_data, p),
2078	STR_TERMINATE);
2079	} else {
2080	DEBUG(10,("smbd_marshall_dir_entry: SMB_FIND_FILE_UNIX_INFO2\n"));
2081	p = store_file_unix_basic_info2(conn, p,
2082	NULL, &smb_fname->st);
2083	nameptr = p;
2084	p += 4;
2085	len = srvstr_push(base_data, flags2, p, fname,
2086	PTR_DIFF(end_data, p), 0);
2087	SIVAL(nameptr, 0, len);
2088	}
2089
2090	p += len;
2091
2092	len = PTR_DIFF(p, pdata);
2093	pad = (len + (align-1)) & ~(align-1);
2094	/*
2095	* offset to the next entry, the caller
2096	* will overwrite it for the last entry
2097	* that's why we always include the padding
2098	*/
2099	SIVAL(pdata,0,pad);
2100	/*
2101	* set padding to zero
2102	*/
2103	if (do_pad) {
2104	memset(p, 0, pad - len);
2105	p = pdata + pad;
2106	} else {
2107	p = pdata + len;
2108	}
2109	/* End of SMB_QUERY_FILE_UNIX_BASIC */
2110
2111	break;
2112
2113	default:
2114	return false;
2115	}
2116
2117	if (PTR_DIFF(p,pdata) > space_remaining) {
2118	*out_of_space = true;
2119	DEBUG(9,("smbd_marshall_dir_entry: out of space "
2120	"(wanted %u, had %d)\n",
2121	(unsigned int)PTR_DIFF(p,pdata),
2122	space_remaining ));
2123	return false; /* Not finished - just out of space */
2124	}
2125
2126	/* Setup the last entry pointer, as an offset from base_data */
2127	*last_entry_off = PTR_DIFF(last_entry_ptr,base_data);
2128	/* Advance the data pointer to the next slot */
2129	*ppdata = p;
2130
2131	return true;
2132	}
2133
2134	bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
2135	connection_struct *conn,
2136	struct dptr_struct *dirptr,
2137	uint16 flags2,
2138	const char *path_mask,
2139	uint32 dirtype,
2140	int info_level,
2141	int requires_resume_key,
2142	bool dont_descend,
2143	bool ask_sharemode,
2144	uint8_t align,
2145	bool do_pad,
2146	char **ppdata,
2147	char *base_data,
2148	char *end_data,
2149	int space_remaining,
2150	bool *out_of_space,
2151	bool *got_exact_match,
2152	int *_last_entry_off,
2153	struct ea_list *name_list)
2154	{
2155	const char *p;
2156	const char *mask = NULL;
2157	long prev_dirpos = 0;
2158	uint32_t mode = 0;
2159	char *fname = NULL;
2160	struct smb_filename *smb_fname = NULL;
2161	struct smbd_dirptr_lanman2_state state;
2162	bool ok;
2163	uint64_t last_entry_off = 0;
2164
2165	ZERO_STRUCT(state);
2166	state.conn = conn;
2167	state.info_level = info_level;
2168	state.check_mangled_names = lp_manglednames(conn->params);
2169	state.has_wild = dptr_has_wild(dirptr);
2170	state.got_exact_match = false;
2171
2172	*out_of_space = false;
2173	*got_exact_match = false;
2174
2175	p = strrchr_m(path_mask,'/');
2176	if(p != NULL) {
2177	if(p[1] == '\0') {
2178	mask = ".";
2179	} else {
2180	mask = p+1;
2181	}
2182	} else {
2183	mask = path_mask;
2184	}
2185
2186	ok = smbd_dirptr_get_entry(ctx,
2187	dirptr,
2188	mask,
2189	dirtype,
2190	dont_descend,
2191	ask_sharemode,
2192	smbd_dirptr_lanman2_match_fn,
2193	smbd_dirptr_lanman2_mode_fn,
2194	&state,
2195	&fname,
2196	&smb_fname,
2197	&mode,
2198	&prev_dirpos);
2199	if (!ok) {
2200	return false;
2201	}
2202
2203	*got_exact_match = state.got_exact_match;
2204
2205	ok = smbd_marshall_dir_entry(ctx,
2206	conn,
2207	flags2,
2208	info_level,
2209	name_list,
2210	state.check_mangled_names,
2211	requires_resume_key,
2212	mode,
2213	fname,
2214	smb_fname,
2215	space_remaining,
2216	align,
2217	do_pad,
2218	base_data,
2219	ppdata,
2220	end_data,
2221	out_of_space,
2222	&last_entry_off);
2223	TALLOC_FREE(fname);
2224	TALLOC_FREE(smb_fname);
2225	if (*out_of_space) {
2226	dptr_SeekDir(dirptr, prev_dirpos);
2227	return false;
2228	}
2229	if (!ok) {
2230	return false;
2231	}
2232
2233	*_last_entry_off = last_entry_off;
2234	return true;
2235	}
2236
2237	static bool get_lanman2_dir_entry(TALLOC_CTX *ctx,
2238	connection_struct *conn,
2239	struct dptr_struct *dirptr,
2240	uint16 flags2,
2241	const char *path_mask,
2242	uint32 dirtype,
2243	int info_level,
2244	bool requires_resume_key,
2245	bool dont_descend,
2246	bool ask_sharemode,
2247	char **ppdata,
2248	char *base_data,
2249	char *end_data,
2250	int space_remaining,
2251	bool *out_of_space,
2252	bool *got_exact_match,
2253	int *last_entry_off,
2254	struct ea_list *name_list)
2255	{
2256	uint8_t align = 4;
2257	const bool do_pad = true;
2258
2259	if (info_level >= 1 && info_level <= 3) {
2260	/* No alignment on earlier info levels. */
2261	align = 1;
2262	}
2263
2264	return smbd_dirptr_lanman2_entry(ctx, conn, dirptr, flags2,
2265	path_mask, dirtype, info_level,
2266	requires_resume_key, dont_descend, ask_sharemode,
2267	align, do_pad,
2268	ppdata, base_data, end_data,
2269	space_remaining,
2270	out_of_space, got_exact_match,
2271	last_entry_off, name_list);
2272	}
2273
2274	/****************************************************************************
2275	Reply to a TRANS2_FINDFIRST.
2276	****************************************************************************/
2277
2278	static void call_trans2findfirst(connection_struct *conn,
2279	struct smb_request *req,
2280	char **pparams, int total_params,
2281	char **ppdata, int total_data,
2282	unsigned int max_data_bytes)
2283	{
2284	/* We must be careful here that we don't return more than the
2285	allowed number of data bytes. If this means returning fewer than
2286	maxentries then so be it. We assume that the redirector has
2287	enough room for the fixed number of parameter bytes it has
2288	requested. */
2289	struct smb_filename *smb_dname = NULL;
2290	char params = pparams;
2291	char pdata = ppdata;
2292	char *data_end;
2293	uint32 dirtype;
2294	int maxentries;
2295	uint16 findfirst_flags;
2296	bool close_after_first;
2297	bool close_if_end;
2298	bool requires_resume_key;
2299	int info_level;
2300	char *directory = NULL;
2301	char *mask = NULL;
2302	char *p;
2303	int last_entry_off=0;
2304	int dptr_num = -1;
2305	int numentries = 0;
2306	int i;
2307	bool finished = False;
2308	bool dont_descend = False;
2309	bool out_of_space = False;
2310	int space_remaining;
2311	bool mask_contains_wcard = False;
2312	struct ea_list *ea_list = NULL;
2313	NTSTATUS ntstatus = NT_STATUS_OK;
2314	bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2315	TALLOC_CTX *ctx = talloc_tos();
2316	struct dptr_struct *dirptr = NULL;
2317	struct smbd_server_connection *sconn = req->sconn;
2318	uint32_t ucf_flags = (UCF_SAVE_LCOMP \| UCF_ALWAYS_ALLOW_WCARD_LCOMP);
2319
2320	if (total_params < 13) {
2321	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2322	goto out;
2323	}
2324
2325	dirtype = SVAL(params,0);
2326	maxentries = SVAL(params,2);
2327	findfirst_flags = SVAL(params,4);
2328	close_after_first = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE);
2329	close_if_end = (findfirst_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2330	requires_resume_key = (findfirst_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2331	info_level = SVAL(params,6);
2332
2333	DEBUG(3,("call_trans2findfirst: dirtype = %x, maxentries = %d, close_after_first=%d, \
2334	close_if_end = %d requires_resume_key = %d level = 0x%x, max_data_bytes = %d\n",
2335	(unsigned int)dirtype, maxentries, close_after_first, close_if_end, requires_resume_key,
2336	info_level, max_data_bytes));
2337
2338	if (!maxentries) {
2339	/* W2K3 seems to treat zero as 1. */
2340	maxentries = 1;
2341	}
2342
2343	switch (info_level) {
2344	case SMB_FIND_INFO_STANDARD:
2345	case SMB_FIND_EA_SIZE:
2346	case SMB_FIND_EA_LIST:
2347	case SMB_FIND_FILE_DIRECTORY_INFO:
2348	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2349	case SMB_FIND_FILE_NAMES_INFO:
2350	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2351	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2352	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2353	break;
2354	case SMB_FIND_FILE_UNIX:
2355	case SMB_FIND_FILE_UNIX_INFO2:
2356	/* Always use filesystem for UNIX mtime query. */
2357	ask_sharemode = false;
2358	if (!lp_unix_extensions()) {
2359	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2360	goto out;
2361	}
2362	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
2363	break;
2364	default:
2365	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2366	goto out;
2367	}
2368
2369	srvstr_get_path_wcard(ctx, params, req->flags2, &directory,
2370	params+12, total_params - 12,
2371	STR_TERMINATE, &ntstatus, &mask_contains_wcard);
2372	if (!NT_STATUS_IS_OK(ntstatus)) {
2373	reply_nterror(req, ntstatus);
2374	goto out;
2375	}
2376
2377	ntstatus = filename_convert(ctx, conn,
2378	req->flags2 & FLAGS2_DFS_PATHNAMES,
2379	directory,
2380	ucf_flags,
2381	&mask_contains_wcard,
2382	&smb_dname);
2383	if (!NT_STATUS_IS_OK(ntstatus)) {
2384	if (NT_STATUS_EQUAL(ntstatus,NT_STATUS_PATH_NOT_COVERED)) {
2385	reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2386	ERRSRV, ERRbadpath);
2387	goto out;
2388	}
2389	reply_nterror(req, ntstatus);
2390	goto out;
2391	}
2392
2393	mask = smb_dname->original_lcomp;
2394
2395	directory = smb_dname->base_name;
2396
2397	p = strrchr_m(directory,'/');
2398	if(p == NULL) {
2399	/* Windows and OS/2 systems treat search on the root '\' as if it were '\' /
2400	if((directory[0] == '.') && (directory[1] == '\0')) {
2401	mask = talloc_strdup(ctx,"*");
2402	if (!mask) {
2403	reply_nterror(req, NT_STATUS_NO_MEMORY);
2404	goto out;
2405	}
2406	mask_contains_wcard = True;
2407	}
2408	} else {
2409	*p = 0;
2410	}
2411
2412	if (p == NULL \|\| p == directory) {
2413	/* Ensure we don't have a directory name of "". */
2414	directory = talloc_strdup(talloc_tos(), ".");
2415	if (!directory) {
2416	reply_nterror(req, NT_STATUS_NO_MEMORY);
2417	goto out;
2418	}
2419	}
2420
2421	DEBUG(5,("dir=%s, mask = %s\n",directory, mask));
2422
2423	if (info_level == SMB_FIND_EA_LIST) {
2424	uint32 ea_size;
2425
2426	if (total_data < 4) {
2427	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2428	goto out;
2429	}
2430
2431	ea_size = IVAL(pdata,0);
2432	if (ea_size != total_data) {
2433	DEBUG(4,("call_trans2findfirst: Rejecting EA request with incorrect \
2434	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2435	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2436	goto out;
2437	}
2438
2439	if (!lp_ea_support(SNUM(conn))) {
2440	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2441	goto out;
2442	}
2443
2444	/* Pull out the list of names. */
2445	ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2446	if (!ea_list) {
2447	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2448	goto out;
2449	}
2450	}
2451
2452	ppdata = (char )SMB_REALLOC(
2453	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2454	if(*ppdata == NULL ) {
2455	reply_nterror(req, NT_STATUS_NO_MEMORY);
2456	goto out;
2457	}
2458	pdata = *ppdata;
2459	data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2460
2461	/* Realloc the params space */
2462	pparams = (char )SMB_REALLOC(*pparams, 10);
2463	if (*pparams == NULL) {
2464	reply_nterror(req, NT_STATUS_NO_MEMORY);
2465	goto out;
2466	}
2467	params = *pparams;
2468
2469	/* Save the wildcard match and attribs we are using on this directory -
2470	needed as lanman2 assumes these are being saved between calls */
2471
2472	ntstatus = dptr_create(conn,
2473	NULL, /* fsp */
2474	directory,
2475	False,
2476	True,
2477	req->smbpid,
2478	mask,
2479	mask_contains_wcard,
2480	dirtype,
2481	&dirptr);
2482
2483	if (!NT_STATUS_IS_OK(ntstatus)) {
2484	reply_nterror(req, ntstatus);
2485	goto out;
2486	}
2487
2488	dptr_num = dptr_dnum(dirptr);
2489	DEBUG(4,("dptr_num is %d, wcard = %s, attr = %d\n", dptr_num, mask, dirtype));
2490
2491	/* Initialize per TRANS2_FIND_FIRST operation data */
2492	dptr_init_search_op(dirptr);
2493
2494	/* We don't need to check for VOL here as this is returned by
2495	a different TRANS2 call. */
2496
2497	DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2498	directory,lp_dontdescend(SNUM(conn))));
2499	if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2500	dont_descend = True;
2501
2502	p = pdata;
2503	space_remaining = max_data_bytes;
2504	out_of_space = False;
2505
2506	for (i=0;(i<maxentries) && !finished && !out_of_space;i++) {
2507	bool got_exact_match = False;
2508
2509	/* this is a heuristic to avoid seeking the dirptr except when
2510	absolutely necessary. It allows for a filename of about 40 chars */
2511	if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2512	out_of_space = True;
2513	finished = False;
2514	} else {
2515	finished = !get_lanman2_dir_entry(ctx,
2516	conn,
2517	dirptr,
2518	req->flags2,
2519	mask,dirtype,info_level,
2520	requires_resume_key,dont_descend,
2521	ask_sharemode,
2522	&p,pdata,data_end,
2523	space_remaining, &out_of_space,
2524	&got_exact_match,
2525	&last_entry_off, ea_list);
2526	}
2527
2528	if (finished && out_of_space)
2529	finished = False;
2530
2531	if (!finished && !out_of_space)
2532	numentries++;
2533
2534	/*
2535	* As an optimisation if we know we aren't looking
2536	* for a wildcard name (ie. the name matches the wildcard exactly)
2537	* then we can finish on any (first) match.
2538	* This speeds up large directory searches. JRA.
2539	*/
2540
2541	if(got_exact_match)
2542	finished = True;
2543
2544	/* Ensure space_remaining never goes -ve. */
2545	if (PTR_DIFF(p,pdata) > max_data_bytes) {
2546	space_remaining = 0;
2547	out_of_space = true;
2548	} else {
2549	space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2550	}
2551	}
2552
2553	/* Check if we can close the dirptr */
2554	if(close_after_first \|\| (finished && close_if_end)) {
2555	DEBUG(5,("call_trans2findfirst - (2) closing dptr_num %d\n", dptr_num));
2556	dptr_close(sconn, &dptr_num);
2557	}
2558
2559	/*
2560	* If there are no matching entries we must return ERRDOS/ERRbadfile -
2561	* from observation of NT. NB. This changes to ERRDOS,ERRnofiles if
2562	* the protocol level is less than NT1. Tested with smbclient. JRA.
2563	* This should fix the OS/2 client bug #2335.
2564	*/
2565
2566	if(numentries == 0) {
2567	dptr_close(sconn, &dptr_num);
2568	if (get_Protocol() < PROTOCOL_NT1) {
2569	reply_force_doserror(req, ERRDOS, ERRnofiles);
2570	goto out;
2571	} else {
2572	reply_botherror(req, NT_STATUS_NO_SUCH_FILE,
2573	ERRDOS, ERRbadfile);
2574	goto out;
2575	}
2576	}
2577
2578	/* At this point pdata points to numentries directory entries. */
2579
2580	/* Set up the return parameter block */
2581	SSVAL(params,0,dptr_num);
2582	SSVAL(params,2,numentries);
2583	SSVAL(params,4,finished);
2584	SSVAL(params,6,0); /* Never an EA error */
2585	SSVAL(params,8,last_entry_off);
2586
2587	send_trans2_replies(conn, req, params, 10, pdata, PTR_DIFF(p,pdata),
2588	max_data_bytes);
2589
2590	if ((! *directory) && dptr_path(sconn, dptr_num)) {
2591	directory = talloc_strdup(talloc_tos(),dptr_path(sconn, dptr_num));
2592	if (!directory) {
2593	reply_nterror(req, NT_STATUS_NO_MEMORY);
2594	}
2595	}
2596
2597	DEBUG( 4, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2598	smb_fn_name(req->cmd),
2599	mask, directory, dirtype, numentries ) );
2600
2601	/*
2602	* Force a name mangle here to ensure that the
2603	* mask as an 8.3 name is top of the mangled cache.
2604	* The reasons for this are subtle. Don't remove
2605	* this code unless you know what you are doing
2606	* (see PR#13758). JRA.
2607	*/
2608
2609	if(!mangle_is_8_3_wildcards( mask, False, conn->params)) {
2610	char mangled_name[13];
2611	name_to_8_3(mask, mangled_name, True, conn->params);
2612	}
2613	out:
2614	TALLOC_FREE(smb_dname);
2615	return;
2616	}
2617
2618	/****************************************************************************
2619	Reply to a TRANS2_FINDNEXT.
2620	****************************************************************************/
2621
2622	static void call_trans2findnext(connection_struct *conn,
2623	struct smb_request *req,
2624	char **pparams, int total_params,
2625	char **ppdata, int total_data,
2626	unsigned int max_data_bytes)
2627	{
2628	/* We must be careful here that we don't return more than the
2629	allowed number of data bytes. If this means returning fewer than
2630	maxentries then so be it. We assume that the redirector has
2631	enough room for the fixed number of parameter bytes it has
2632	requested. */
2633	char params = pparams;
2634	char pdata = ppdata;
2635	char *data_end;
2636	int dptr_num;
2637	int maxentries;
2638	uint16 info_level;
2639	uint32 resume_key;
2640	uint16 findnext_flags;
2641	bool close_after_request;
2642	bool close_if_end;
2643	bool requires_resume_key;
2644	bool continue_bit;
2645	bool mask_contains_wcard = False;
2646	char *resume_name = NULL;
2647	const char *mask = NULL;
2648	const char *directory = NULL;
2649	char *p = NULL;
2650	uint16 dirtype;
2651	int numentries = 0;
2652	int i, last_entry_off=0;
2653	bool finished = False;
2654	bool dont_descend = False;
2655	bool out_of_space = False;
2656	int space_remaining;
2657	struct ea_list *ea_list = NULL;
2658	NTSTATUS ntstatus = NT_STATUS_OK;
2659	bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
2660	TALLOC_CTX *ctx = talloc_tos();
2661	struct dptr_struct *dirptr;
2662	struct smbd_server_connection *sconn = req->sconn;
2663
2664	if (total_params < 13) {
2665	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2666	return;
2667	}
2668
2669	dptr_num = SVAL(params,0);
2670	maxentries = SVAL(params,2);
2671	info_level = SVAL(params,4);
2672	resume_key = IVAL(params,6);
2673	findnext_flags = SVAL(params,10);
2674	close_after_request = (findnext_flags & FLAG_TRANS2_FIND_CLOSE);
2675	close_if_end = (findnext_flags & FLAG_TRANS2_FIND_CLOSE_IF_END);
2676	requires_resume_key = (findnext_flags & FLAG_TRANS2_FIND_REQUIRE_RESUME);
2677	continue_bit = (findnext_flags & FLAG_TRANS2_FIND_CONTINUE);
2678
2679	if (!continue_bit) {
2680	/* We only need resume_name if continue_bit is zero. */
2681	srvstr_get_path_wcard(ctx, params, req->flags2, &resume_name,
2682	params+12,
2683	total_params - 12, STR_TERMINATE, &ntstatus,
2684	&mask_contains_wcard);
2685	if (!NT_STATUS_IS_OK(ntstatus)) {
2686	/* Win9x or OS/2 can send a resume name of ".." or ".". This will cause the parser to
2687	complain (it thinks we're asking for the directory above the shared
2688	path or an invalid name). Catch this as the resume name is only compared, never used in
2689	a file access. JRA. */
2690	srvstr_pull_talloc(ctx, params, req->flags2,
2691	&resume_name, params+12,
2692	total_params - 12,
2693	STR_TERMINATE);
2694
2695	if (!resume_name \|\| !(ISDOT(resume_name) \|\| ISDOTDOT(resume_name))) {
2696	reply_nterror(req, ntstatus);
2697	return;
2698	}
2699	}
2700	}
2701
2702	DEBUG(3,("call_trans2findnext: dirhandle = %d, max_data_bytes = %d, maxentries = %d, \
2703	close_after_request=%d, close_if_end = %d requires_resume_key = %d \
2704	resume_key = %d resume name = %s continue=%d level = %d\n",
2705	dptr_num, max_data_bytes, maxentries, close_after_request, close_if_end,
2706	requires_resume_key, resume_key,
2707	resume_name ? resume_name : "(NULL)", continue_bit, info_level));
2708
2709	if (!maxentries) {
2710	/* W2K3 seems to treat zero as 1. */
2711	maxentries = 1;
2712	}
2713
2714	switch (info_level) {
2715	case SMB_FIND_INFO_STANDARD:
2716	case SMB_FIND_EA_SIZE:
2717	case SMB_FIND_EA_LIST:
2718	case SMB_FIND_FILE_DIRECTORY_INFO:
2719	case SMB_FIND_FILE_FULL_DIRECTORY_INFO:
2720	case SMB_FIND_FILE_NAMES_INFO:
2721	case SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
2722	case SMB_FIND_ID_FULL_DIRECTORY_INFO:
2723	case SMB_FIND_ID_BOTH_DIRECTORY_INFO:
2724	break;
2725	case SMB_FIND_FILE_UNIX:
2726	case SMB_FIND_FILE_UNIX_INFO2:
2727	/* Always use filesystem for UNIX mtime query. */
2728	ask_sharemode = false;
2729	if (!lp_unix_extensions()) {
2730	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2731	return;
2732	}
2733	break;
2734	default:
2735	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2736	return;
2737	}
2738
2739	if (info_level == SMB_FIND_EA_LIST) {
2740	uint32 ea_size;
2741
2742	if (total_data < 4) {
2743	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2744	return;
2745	}
2746
2747	ea_size = IVAL(pdata,0);
2748	if (ea_size != total_data) {
2749	DEBUG(4,("call_trans2findnext: Rejecting EA request with incorrect \
2750	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
2751	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2752	return;
2753	}
2754
2755	if (!lp_ea_support(SNUM(conn))) {
2756	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
2757	return;
2758	}
2759
2760	/* Pull out the list of names. */
2761	ea_list = read_ea_name_list(ctx, pdata + 4, ea_size - 4);
2762	if (!ea_list) {
2763	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2764	return;
2765	}
2766	}
2767
2768	ppdata = (char )SMB_REALLOC(
2769	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
2770	if(*ppdata == NULL) {
2771	reply_nterror(req, NT_STATUS_NO_MEMORY);
2772	return;
2773	}
2774
2775	pdata = *ppdata;
2776	data_end = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
2777
2778	/* Realloc the params space */
2779	pparams = (char )SMB_REALLOC(pparams, 6SIZEOFWORD);
2780	if(*pparams == NULL ) {
2781	reply_nterror(req, NT_STATUS_NO_MEMORY);
2782	return;
2783	}
2784
2785	params = *pparams;
2786
2787	/* Check that the dptr is valid */
2788	if(!(dirptr = dptr_fetch_lanman2(sconn, dptr_num))) {
2789	reply_nterror(req, STATUS_NO_MORE_FILES);
2790	return;
2791	}
2792
2793	directory = dptr_path(sconn, dptr_num);
2794
2795	/* Get the wildcard mask from the dptr */
2796	if((p = dptr_wcard(sconn, dptr_num))== NULL) {
2797	DEBUG(2,("dptr_num %d has no wildcard\n", dptr_num));
2798	reply_nterror(req, STATUS_NO_MORE_FILES);
2799	return;
2800	}
2801
2802	mask = p;
2803
2804	/* Get the attr mask from the dptr */
2805	dirtype = dptr_attr(sconn, dptr_num);
2806
2807	DEBUG(3,("dptr_num is %d, mask = %s, attr = %x, dirptr=(0x%lX,%ld)\n",
2808	dptr_num, mask, dirtype,
2809	(long)dirptr,
2810	dptr_TellDir(dirptr)));
2811
2812	/* Initialize per TRANS2_FIND_NEXT operation data */
2813	dptr_init_search_op(dirptr);
2814
2815	/* We don't need to check for VOL here as this is returned by
2816	a different TRANS2 call. */
2817
2818	DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
2819	directory,lp_dontdescend(SNUM(conn))));
2820	if (in_list(directory,lp_dontdescend(SNUM(conn)),conn->case_sensitive))
2821	dont_descend = True;
2822
2823	p = pdata;
2824	space_remaining = max_data_bytes;
2825	out_of_space = False;
2826
2827	/*
2828	* Seek to the correct position. We no longer use the resume key but
2829	* depend on the last file name instead.
2830	*/
2831
2832	if(!continue_bit && resume_name && *resume_name) {
2833	SMB_STRUCT_STAT st;
2834
2835	long current_pos = 0;
2836	/*
2837	* Remember, name_to_8_3 is called by
2838	* get_lanman2_dir_entry(), so the resume name
2839	* could be mangled. Ensure we check the unmangled name.
2840	*/
2841
2842	if (mangle_is_mangled(resume_name, conn->params)) {
2843	char *new_resume_name = NULL;
2844	mangle_lookup_name_from_8_3(ctx,
2845	resume_name,
2846	&new_resume_name,
2847	conn->params);
2848	if (new_resume_name) {
2849	resume_name = new_resume_name;
2850	}
2851	}
2852
2853	/*
2854	* Fix for NT redirector problem triggered by resume key indexes
2855	* changing between directory scans. We now return a resume key of 0
2856	* and instead look for the filename to continue from (also given
2857	* to us by NT/95/smbfs/smbclient). If no other scans have been done between the
2858	* findfirst/findnext (as is usual) then the directory pointer
2859	* should already be at the correct place.
2860	*/
2861
2862	finished = !dptr_SearchDir(dirptr, resume_name, &current_pos, &st);
2863	} /* end if resume_name && !continue_bit */
2864
2865	for (i=0;(i<(int)maxentries) && !finished && !out_of_space ;i++) {
2866	bool got_exact_match = False;
2867
2868	/* this is a heuristic to avoid seeking the dirptr except when
2869	absolutely necessary. It allows for a filename of about 40 chars */
2870	if (space_remaining < DIRLEN_GUESS && numentries > 0) {
2871	out_of_space = True;
2872	finished = False;
2873	} else {
2874	finished = !get_lanman2_dir_entry(ctx,
2875	conn,
2876	dirptr,
2877	req->flags2,
2878	mask,dirtype,info_level,
2879	requires_resume_key,dont_descend,
2880	ask_sharemode,
2881	&p,pdata,data_end,
2882	space_remaining, &out_of_space,
2883	&got_exact_match,
2884	&last_entry_off, ea_list);
2885	}
2886
2887	if (finished && out_of_space)
2888	finished = False;
2889
2890	if (!finished && !out_of_space)
2891	numentries++;
2892
2893	/*
2894	* As an optimisation if we know we aren't looking
2895	* for a wildcard name (ie. the name matches the wildcard exactly)
2896	* then we can finish on any (first) match.
2897	* This speeds up large directory searches. JRA.
2898	*/
2899
2900	if(got_exact_match)
2901	finished = True;
2902
2903	space_remaining = max_data_bytes - PTR_DIFF(p,pdata);
2904	}
2905
2906	DEBUG( 3, ( "%s mask=%s directory=%s dirtype=%d numentries=%d\n",
2907	smb_fn_name(req->cmd),
2908	mask, directory, dirtype, numentries ) );
2909
2910	/* Check if we can close the dirptr */
2911	if(close_after_request \|\| (finished && close_if_end)) {
2912	DEBUG(5,("call_trans2findnext: closing dptr_num = %d\n", dptr_num));
2913	dptr_close(sconn, &dptr_num); /* This frees up the saved mask */
2914	}
2915
2916	/* Set up the return parameter block */
2917	SSVAL(params,0,numentries);
2918	SSVAL(params,2,finished);
2919	SSVAL(params,4,0); /* Never an EA error */
2920	SSVAL(params,6,last_entry_off);
2921
2922	send_trans2_replies(conn, req, params, 8, pdata, PTR_DIFF(p,pdata),
2923	max_data_bytes);
2924
2925	return;
2926	}
2927
2928	unsigned char create_volume_objectid(connection_struct conn, unsigned char objid[16])
2929	{
2930	E_md4hash(lp_servicename(SNUM(conn)),objid);
2931	return objid;
2932	}
2933
2934	static void samba_extended_info_version(struct smb_extended_info *extended_info)
2935	{
2936	SMB_ASSERT(extended_info != NULL);
2937
2938	extended_info->samba_magic = SAMBA_EXTENDED_INFO_MAGIC;
2939	extended_info->samba_version = ((SAMBA_VERSION_MAJOR & 0xff) << 24)
2940	\| ((SAMBA_VERSION_MINOR & 0xff) << 16)
2941	\| ((SAMBA_VERSION_RELEASE & 0xff) << 8);
2942	#ifdef SAMBA_VERSION_REVISION
2943	extended_info->samba_version \|= (tolower(*SAMBA_VERSION_REVISION) - 'a' + 1) & 0xff;
2944	#endif
2945	extended_info->samba_subversion = 0;
2946	#ifdef SAMBA_VERSION_RC_RELEASE
2947	extended_info->samba_subversion \|= (SAMBA_VERSION_RC_RELEASE & 0xff) << 24;
2948	#else
2949	#ifdef SAMBA_VERSION_PRE_RELEASE
2950	extended_info->samba_subversion \|= (SAMBA_VERSION_PRE_RELEASE & 0xff) << 16;
2951	#endif
2952	#endif
2953	#ifdef SAMBA_VERSION_VENDOR_PATCH
2954	extended_info->samba_subversion \|= (SAMBA_VERSION_VENDOR_PATCH & 0xffff);
2955	#endif
2956	extended_info->samba_gitcommitdate = 0;
2957	#ifdef SAMBA_VERSION_COMMIT_TIME
2958	unix_to_nt_time(&extended_info->samba_gitcommitdate, SAMBA_VERSION_COMMIT_TIME);
2959	#endif
2960
2961	memset(extended_info->samba_version_string, 0,
2962	sizeof(extended_info->samba_version_string));
2963
2964	snprintf (extended_info->samba_version_string,
2965	sizeof(extended_info->samba_version_string),
2966	"%s", samba_version_string());
2967	}
2968
2969	NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
2970	TALLOC_CTX *mem_ctx,
2971	uint16_t info_level,
2972	uint16_t flags2,
2973	unsigned int max_data_bytes,
2974	size_t *fixed_portion,
2975	struct smb_filename *fname,
2976	char **ppdata,
2977	int *ret_data_len)
2978	{
2979	char pdata, end_data;
2980	int data_len = 0, len;
2981	const char *vname = volume_label(SNUM(conn));
2982	int snum = SNUM(conn);
2983	char *fstype = lp_fstype(SNUM(conn));
2984	const char *filename = NULL;
2985	uint32 additional_flags = 0;
2986	struct smb_filename smb_fname;
2987	SMB_STRUCT_STAT st;
2988	NTSTATUS status = NT_STATUS_OK;
2989
2990	if (fname == NULL \|\| fname->base_name == NULL) {
2991	filename = ".";
2992	} else {
2993	filename = fname->base_name;
2994	}
2995
2996	if (IS_IPC(conn)) {
2997	if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
2998	DEBUG(0,("smbd_do_qfsinfo: not an allowed "
2999	"info level (0x%x) on IPC$.\n",
3000	(unsigned int)info_level));
3001	return NT_STATUS_ACCESS_DENIED;
3002	}
3003	}
3004
3005	DEBUG(3,("smbd_do_qfsinfo: level = %d\n", info_level));
3006
3007	ZERO_STRUCT(smb_fname);
3008	smb_fname.base_name = discard_const_p(char, filename);
3009
3010	if(SMB_VFS_STAT(conn, &smb_fname) != 0) {
3011	DEBUG(2,("stat of . failed (%s)\n", strerror(errno)));
3012	return map_nt_error_from_unix(errno);
3013	}
3014
3015	st = smb_fname.st;
3016
3017	ppdata = (char )SMB_REALLOC(
3018	*ppdata, max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
3019	if (*ppdata == NULL) {
3020	return NT_STATUS_NO_MEMORY;
3021	}
3022
3023	pdata = *ppdata;
3024	memset((char *)pdata,'\0',max_data_bytes + DIR_ENTRY_SAFETY_MARGIN);
3025	end_data = pdata + max_data_bytes + DIR_ENTRY_SAFETY_MARGIN - 1;
3026
3027	*fixed_portion = 0;
3028
3029	switch (info_level) {
3030	case SMB_INFO_ALLOCATION:
3031	{
3032	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3033	data_len = 18;
3034	if (get_dfree_info(conn,filename,False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3035	return map_nt_error_from_unix(errno);
3036	}
3037
3038	block_size = lp_block_size(snum);
3039	if (bsize < block_size) {
3040	uint64_t factor = block_size/bsize;
3041	bsize = block_size;
3042	dsize /= factor;
3043	dfree /= factor;
3044	}
3045	if (bsize > block_size) {
3046	uint64_t factor = bsize/block_size;
3047	bsize = block_size;
3048	dsize *= factor;
3049	dfree *= factor;
3050	}
3051	bytes_per_sector = 512;
3052	sectors_per_unit = bsize/bytes_per_sector;
3053
3054	DEBUG(5,("smbd_do_qfsinfo : SMB_INFO_ALLOCATION id=%x, bsize=%u, cSectorUnit=%u, \
3055	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)st.st_ex_dev, (unsigned int)bsize, (unsigned int)sectors_per_unit,
3056	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3057
3058	SIVAL(pdata,l1_idFileSystem,st.st_ex_dev);
3059	SIVAL(pdata,l1_cSectorUnit,sectors_per_unit);
3060	SIVAL(pdata,l1_cUnit,dsize);
3061	SIVAL(pdata,l1_cUnitAvail,dfree);
3062	SSVAL(pdata,l1_cbSector,bytes_per_sector);
3063	break;
3064	}
3065
3066	case SMB_INFO_VOLUME:
3067	/* Return volume name */
3068	/*
3069	* Add volume serial number - hash of a combination of
3070	* the called hostname and the service name.
3071	*/
3072	SIVAL(pdata,0,str_checksum(lp_servicename(snum)) ^ (str_checksum(get_local_machine_name())<<16) );
3073	/*
3074	* Win2k3 and previous mess this up by sending a name length
3075	* one byte short. I believe only older clients (OS/2 Win9x) use
3076	* this call so try fixing this by adding a terminating null to
3077	* the pushed string. The change here was adding the STR_TERMINATE. JRA.
3078	*/
3079	len = srvstr_push(
3080	pdata, flags2,
3081	pdata+l2_vol_szVolLabel, vname,
3082	PTR_DIFF(end_data, pdata+l2_vol_szVolLabel),
3083	STR_NOALIGN\|STR_TERMINATE);
3084	SCVAL(pdata,l2_vol_cch,len);
3085	data_len = l2_vol_szVolLabel + len;
3086	DEBUG(5,("smbd_do_qfsinfo : time = %x, namelen = %d, name = %s\n",
3087	(unsigned)convert_timespec_to_time_t(st.st_ex_ctime),
3088	len, vname));
3089	break;
3090
3091	case SMB_QUERY_FS_ATTRIBUTE_INFO:
3092	case SMB_FS_ATTRIBUTE_INFORMATION:
3093
3094	additional_flags = 0;
3095	#if defined(HAVE_SYS_QUOTAS)
3096	additional_flags \|= FILE_VOLUME_QUOTAS;
3097	#endif
3098
3099	if(lp_nt_acl_support(SNUM(conn))) {
3100	additional_flags \|= FILE_PERSISTENT_ACLS;
3101	}
3102
3103	/* Capabilities are filled in at connection time through STATVFS call */
3104	additional_flags \|= conn->fs_capabilities;
3105	additional_flags \|= lp_parm_int(conn->params->service,
3106	"share", "fake_fscaps",
3107	0);
3108
3109	SIVAL(pdata,0,FILE_CASE_PRESERVED_NAMES\|FILE_CASE_SENSITIVE_SEARCH\|
3110	FILE_SUPPORTS_OBJECT_IDS\|FILE_UNICODE_ON_DISK\|
3111	additional_flags); /* FS ATTRIBUTES */
3112
3113	SIVAL(pdata,4,255); /* Max filename component length */
3114	/* NOTE! the fstype must not be null terminated or win98 won't recognise it
3115	and will think we can't do long filenames */
3116	len = srvstr_push(pdata, flags2, pdata+12, fstype,
3117	PTR_DIFF(end_data, pdata+12),
3118	STR_UNICODE);
3119	SIVAL(pdata,8,len);
3120	data_len = 12 + len;
3121	if (max_data_bytes >= 16 && data_len > max_data_bytes) {
3122	/* the client only requested a portion of the
3123	file system name */
3124	data_len = max_data_bytes;
3125	status = STATUS_BUFFER_OVERFLOW;
3126	}
3127	*fixed_portion = 16;
3128	break;
3129
3130	case SMB_QUERY_FS_LABEL_INFO:
3131	case SMB_FS_LABEL_INFORMATION:
3132	len = srvstr_push(pdata, flags2, pdata+4, vname,
3133	PTR_DIFF(end_data, pdata+4), 0);
3134	data_len = 4 + len;
3135	SIVAL(pdata,0,len);
3136	break;
3137
3138	case SMB_QUERY_FS_VOLUME_INFO:
3139	case SMB_FS_VOLUME_INFORMATION:
3140
3141	/*
3142	* Add volume serial number - hash of a combination of
3143	* the called hostname and the service name.
3144	*/
3145	SIVAL(pdata,8,str_checksum(lp_servicename(snum)) ^
3146	(str_checksum(get_local_machine_name())<<16));
3147
3148	/* Max label len is 32 characters. */
3149	len = srvstr_push(pdata, flags2, pdata+18, vname,
3150	PTR_DIFF(end_data, pdata+18),
3151	STR_UNICODE);
3152	SIVAL(pdata,12,len);
3153	data_len = 18+len;
3154
3155	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_VOLUME_INFO namelen = %d, vol=%s serv=%s\n",
3156	(int)strlen(vname),vname, lp_servicename(snum)));
3157	if (max_data_bytes >= 24 && data_len > max_data_bytes) {
3158	/* the client only requested a portion of the
3159	volume label */
3160	data_len = max_data_bytes;
3161	status = STATUS_BUFFER_OVERFLOW;
3162	}
3163
3164	break;
3165
3166	case SMB_QUERY_FS_SIZE_INFO:
3167	case SMB_FS_SIZE_INFORMATION:
3168	{
3169	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3170	data_len = 24;
3171	if (get_dfree_info(conn,filename,False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3172	return map_nt_error_from_unix(errno);
3173	}
3174	block_size = lp_block_size(snum);
3175	if (bsize < block_size) {
3176	uint64_t factor = block_size/bsize;
3177	bsize = block_size;
3178	dsize /= factor;
3179	dfree /= factor;
3180	}
3181	if (bsize > block_size) {
3182	uint64_t factor = bsize/block_size;
3183	bsize = block_size;
3184	dsize *= factor;
3185	dfree *= factor;
3186	}
3187	bytes_per_sector = 512;
3188	sectors_per_unit = bsize/bytes_per_sector;
3189	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3190	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3191	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3192	SBIG_UINT(pdata,0,dsize);
3193	SBIG_UINT(pdata,8,dfree);
3194	SIVAL(pdata,16,sectors_per_unit);
3195	SIVAL(pdata,20,bytes_per_sector);
3196	*fixed_portion = 24;
3197	break;
3198	}
3199
3200	case SMB_FS_FULL_SIZE_INFORMATION:
3201	{
3202	uint64_t dfree,dsize,bsize,block_size,sectors_per_unit,bytes_per_sector;
3203	data_len = 32;
3204	if (get_dfree_info(conn,filename,False,&bsize,&dfree,&dsize) == (uint64_t)-1) {
3205	return map_nt_error_from_unix(errno);
3206	}
3207	block_size = lp_block_size(snum);
3208	if (bsize < block_size) {
3209	uint64_t factor = block_size/bsize;
3210	bsize = block_size;
3211	dsize /= factor;
3212	dfree /= factor;
3213	}
3214	if (bsize > block_size) {
3215	uint64_t factor = bsize/block_size;
3216	bsize = block_size;
3217	dsize *= factor;
3218	dfree *= factor;
3219	}
3220	bytes_per_sector = 512;
3221	sectors_per_unit = bsize/bytes_per_sector;
3222	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_FS_FULL_SIZE_INFO bsize=%u, cSectorUnit=%u, \
3223	cBytesSector=%u, cUnitTotal=%u, cUnitAvail=%d\n", (unsigned int)bsize, (unsigned int)sectors_per_unit,
3224	(unsigned int)bytes_per_sector, (unsigned int)dsize, (unsigned int)dfree));
3225	SBIG_UINT(pdata,0,dsize); /* Total Allocation units. */
3226	SBIG_UINT(pdata,8,dfree); /* Caller available allocation units. */
3227	SBIG_UINT(pdata,16,dfree); /* Actual available allocation units. */
3228	SIVAL(pdata,24,sectors_per_unit); /* Sectors per allocation unit. */
3229	SIVAL(pdata,28,bytes_per_sector); /* Bytes per sector. */
3230	*fixed_portion = 32;
3231	break;
3232	}
3233
3234	case SMB_QUERY_FS_DEVICE_INFO:
3235	case SMB_FS_DEVICE_INFORMATION:
3236	{
3237	uint32_t characteristics = FILE_DEVICE_IS_MOUNTED;
3238
3239	if (!CAN_WRITE(conn)) {
3240	characteristics \|= FILE_READ_ONLY_DEVICE;
3241	}
3242	data_len = 8;
3243	SIVAL(pdata,0,FILE_DEVICE_DISK); /* dev type */
3244	SIVAL(pdata,4,characteristics);
3245	*fixed_portion = 8;
3246	break;
3247	}
3248
3249	#ifdef HAVE_SYS_QUOTAS
3250	case SMB_FS_QUOTA_INFORMATION:
3251	/*
3252	* what we have to send --metze:
3253	*
3254	* Unknown1: 24 NULL bytes
3255	* Soft Quota Treshold: 8 bytes seems like uint64_t or so
3256	* Hard Quota Limit: 8 bytes seems like uint64_t or so
3257	* Quota Flags: 2 byte :
3258	* Unknown3: 6 NULL bytes
3259	*
3260	* 48 bytes total
3261	*
3262	* details for Quota Flags:
3263	*
3264	* 0x0020 Log Limit: log if the user exceeds his Hard Quota
3265	* 0x0010 Log Warn: log if the user exceeds his Soft Quota
3266	* 0x0002 Deny Disk: deny disk access when the user exceeds his Hard Quota
3267	* 0x0001 Enable Quotas: enable quota for this fs
3268	*
3269	*/
3270	{
3271	/* we need to fake up a fsp here,
3272	* because its not send in this call
3273	*/
3274	files_struct fsp;
3275	SMB_NTQUOTA_STRUCT quotas;
3276
3277	ZERO_STRUCT(fsp);
3278	ZERO_STRUCT(quotas);
3279
3280	fsp.conn = conn;
3281	fsp.fnum = -1;
3282
3283	/* access check */
3284	if (get_current_uid(conn) != 0) {
3285	DEBUG(0,("set_user_quota: access_denied "
3286	"service [%s] user [%s]\n",
3287	lp_servicename(SNUM(conn)),
3288	conn->session_info->unix_name));
3289	return NT_STATUS_ACCESS_DENIED;
3290	}
3291
3292	if (vfs_get_ntquota(&fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3293	DEBUG(0,("vfs_get_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3294	return map_nt_error_from_unix(errno);
3295	}
3296
3297	data_len = 48;
3298
3299	DEBUG(10,("SMB_FS_QUOTA_INFORMATION: for service [%s]\n",
3300	lp_servicename(SNUM(conn))));
3301
3302	/* Unknown1 24 NULL bytes*/
3303	SBIG_UINT(pdata,0,(uint64_t)0);
3304	SBIG_UINT(pdata,8,(uint64_t)0);
3305	SBIG_UINT(pdata,16,(uint64_t)0);
3306
3307	/* Default Soft Quota 8 bytes */
3308	SBIG_UINT(pdata,24,quotas.softlim);
3309
3310	/* Default Hard Quota 8 bytes */
3311	SBIG_UINT(pdata,32,quotas.hardlim);
3312
3313	/* Quota flag 2 bytes */
3314	SSVAL(pdata,40,quotas.qflags);
3315
3316	/* Unknown3 6 NULL bytes */
3317	SSVAL(pdata,42,0);
3318	SIVAL(pdata,44,0);
3319
3320	break;
3321	}
3322	#endif /* HAVE_SYS_QUOTAS */
3323	case SMB_FS_OBJECTID_INFORMATION:
3324	{
3325	unsigned char objid[16];
3326	struct smb_extended_info extended_info;
3327	memcpy(pdata,create_volume_objectid(conn, objid),16);
3328	samba_extended_info_version (&extended_info);
3329	SIVAL(pdata,16,extended_info.samba_magic);
3330	SIVAL(pdata,20,extended_info.samba_version);
3331	SIVAL(pdata,24,extended_info.samba_subversion);
3332	SBIG_UINT(pdata,28,extended_info.samba_gitcommitdate);
3333	memcpy(pdata+36,extended_info.samba_version_string,28);
3334	data_len = 64;
3335	break;
3336	}
3337
3338	/*
3339	* Query the version and capabilities of the CIFS UNIX extensions
3340	* in use.
3341	*/
3342
3343	case SMB_QUERY_CIFS_UNIX_INFO:
3344	{
3345	bool large_write = lp_min_receive_file_size() &&
3346	!srv_is_signing_active(conn->sconn);
3347	bool large_read = !srv_is_signing_active(conn->sconn);
3348	int encrypt_caps = 0;
3349
3350	if (!lp_unix_extensions()) {
3351	return NT_STATUS_INVALID_LEVEL;
3352	}
3353
3354	switch (conn->encrypt_level) {
3355	case 0:
3356	encrypt_caps = 0;
3357	break;
3358	case 1:
3359	case Auto:
3360	encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP;
3361	break;
3362	case Required:
3363	encrypt_caps = CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP\|
3364	CIFS_UNIX_TRANSPORT_ENCRYPTION_MANDATORY_CAP;
3365	large_write = false;
3366	large_read = false;
3367	break;
3368	}
3369
3370	data_len = 12;
3371	SSVAL(pdata,0,CIFS_UNIX_MAJOR_VERSION);
3372	SSVAL(pdata,2,CIFS_UNIX_MINOR_VERSION);
3373
3374	/* We have POSIX ACLs, pathname, encryption,
3375	* large read/write, and locking capability. */
3376
3377	SBIG_UINT(pdata,4,((uint64_t)(
3378	CIFS_UNIX_POSIX_ACLS_CAP\|
3379	CIFS_UNIX_POSIX_PATHNAMES_CAP\|
3380	CIFS_UNIX_FCNTL_LOCKS_CAP\|
3381	CIFS_UNIX_EXTATTR_CAP\|
3382	CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP\|
3383	encrypt_caps\|
3384	(large_read ? CIFS_UNIX_LARGE_READ_CAP : 0) \|
3385	(large_write ?
3386	CIFS_UNIX_LARGE_WRITE_CAP : 0))));
3387	break;
3388	}
3389
3390	case SMB_QUERY_POSIX_FS_INFO:
3391	{
3392	int rc;
3393	vfs_statvfs_struct svfs;
3394
3395	if (!lp_unix_extensions()) {
3396	return NT_STATUS_INVALID_LEVEL;
3397	}
3398
3399	rc = SMB_VFS_STATVFS(conn, filename, &svfs);
3400
3401	if (!rc) {
3402	data_len = 56;
3403	SIVAL(pdata,0,svfs.OptimalTransferSize);
3404	SIVAL(pdata,4,svfs.BlockSize);
3405	SBIG_UINT(pdata,8,svfs.TotalBlocks);
3406	SBIG_UINT(pdata,16,svfs.BlocksAvail);
3407	SBIG_UINT(pdata,24,svfs.UserBlocksAvail);
3408	SBIG_UINT(pdata,32,svfs.TotalFileNodes);
3409	SBIG_UINT(pdata,40,svfs.FreeFileNodes);
3410	SBIG_UINT(pdata,48,svfs.FsIdentifier);
3411	DEBUG(5,("smbd_do_qfsinfo : SMB_QUERY_POSIX_FS_INFO succsessful\n"));
3412	#ifdef EOPNOTSUPP
3413	} else if (rc == EOPNOTSUPP) {
3414	return NT_STATUS_INVALID_LEVEL;
3415	#endif /* EOPNOTSUPP */
3416	} else {
3417	DEBUG(0,("vfs_statvfs() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3418	return NT_STATUS_DOS(ERRSRV, ERRerror);
3419	}
3420	*fixed_portion = 24;
3421	break;
3422	}
3423
3424	case SMB_QUERY_POSIX_WHOAMI:
3425	{
3426	uint32_t flags = 0;
3427	uint32_t sid_bytes;
3428	int i;
3429
3430	if (!lp_unix_extensions()) {
3431	return NT_STATUS_INVALID_LEVEL;
3432	}
3433
3434	if (max_data_bytes < 40) {
3435	return NT_STATUS_BUFFER_TOO_SMALL;
3436	}
3437
3438	/* We ARE guest if global_sid_Builtin_Guests is
3439	* in our list of SIDs.
3440	*/
3441	if (nt_token_check_sid(&global_sid_Builtin_Guests,
3442	conn->session_info->security_token)) {
3443	flags \|= SMB_WHOAMI_GUEST;
3444	}
3445
3446	/* We are NOT guest if global_sid_Authenticated_Users
3447	* is in our list of SIDs.
3448	*/
3449	if (nt_token_check_sid(&global_sid_Authenticated_Users,
3450	conn->session_info->security_token)) {
3451	flags &= ~SMB_WHOAMI_GUEST;
3452	}
3453
3454	/* NOTE: 8 bytes for UID/GID, irrespective of native
3455	* platform size. This matches
3456	* SMB_QUERY_FILE_UNIX_BASIC and friends.
3457	*/
3458	data_len = 4 /* flags */
3459	+ 4 /* flag mask */
3460	+ 8 /* uid */
3461	+ 8 /* gid */
3462	+ 4 /* ngroups */
3463	+ 4 /* num_sids */
3464	+ 4 /* SID bytes */
3465	+ 4 /* pad/reserved */
3466	+ (conn->session_info->utok.ngroups * 8)
3467	/* groups list */
3468	+ (conn->session_info->security_token->num_sids *
3469	SID_MAX_SIZE)
3470	/* SID list */;
3471
3472	SIVAL(pdata, 0, flags);
3473	SIVAL(pdata, 4, SMB_WHOAMI_MASK);
3474	SBIG_UINT(pdata, 8,
3475	(uint64_t)conn->session_info->utok.uid);
3476	SBIG_UINT(pdata, 16,
3477	(uint64_t)conn->session_info->utok.gid);
3478
3479
3480	if (data_len >= max_data_bytes) {
3481	/* Potential overflow, skip the GIDs and SIDs. */
3482
3483	SIVAL(pdata, 24, 0); /* num_groups */
3484	SIVAL(pdata, 28, 0); /* num_sids */
3485	SIVAL(pdata, 32, 0); /* num_sid_bytes */
3486	SIVAL(pdata, 36, 0); /* reserved */
3487
3488	data_len = 40;
3489	break;
3490	}
3491
3492	SIVAL(pdata, 24, conn->session_info->utok.ngroups);
3493	SIVAL(pdata, 28, conn->session_info->security_token->num_sids);
3494
3495	/* We walk the SID list twice, but this call is fairly
3496	* infrequent, and I don't expect that it's performance
3497	* sensitive -- jpeach
3498	*/
3499	for (i = 0, sid_bytes = 0;
3500	i < conn->session_info->security_token->num_sids; ++i) {
3501	sid_bytes += ndr_size_dom_sid(
3502	&conn->session_info->security_token->sids[i],
3503	0);
3504	}
3505
3506	/* SID list byte count */
3507	SIVAL(pdata, 32, sid_bytes);
3508
3509	/* 4 bytes pad/reserved - must be zero */
3510	SIVAL(pdata, 36, 0);
3511	data_len = 40;
3512
3513	/* GID list */
3514	for (i = 0; i < conn->session_info->utok.ngroups; ++i) {
3515	SBIG_UINT(pdata, data_len,
3516	(uint64_t)conn->session_info->utok.groups[i]);
3517	data_len += 8;
3518	}
3519
3520	/* SID list */
3521	for (i = 0;
3522	i < conn->session_info->security_token->num_sids; ++i) {
3523	int sid_len = ndr_size_dom_sid(
3524	&conn->session_info->security_token->sids[i],
3525	0);
3526
3527	sid_linearize(pdata + data_len, sid_len,
3528	&conn->session_info->security_token->sids[i]);
3529	data_len += sid_len;
3530	}
3531
3532	break;
3533	}
3534
3535	case SMB_MAC_QUERY_FS_INFO:
3536	/*
3537	* Thursby MAC extension... ONLY on NTFS filesystems
3538	* once we do streams then we don't need this
3539	*/
3540	if (strequal(lp_fstype(SNUM(conn)),"NTFS")) {
3541	data_len = 88;
3542	SIVAL(pdata,84,0x100); /* Don't support mac... */
3543	break;
3544	}
3545	/* drop through */
3546	default:
3547	return NT_STATUS_INVALID_LEVEL;
3548	}
3549
3550	*ret_data_len = data_len;
3551	return status;
3552	}
3553
3554	/****************************************************************************
3555	Reply to a TRANS2_QFSINFO (query filesystem info).
3556	****************************************************************************/
3557
3558	static void call_trans2qfsinfo(connection_struct *conn,
3559	struct smb_request *req,
3560	char **pparams, int total_params,
3561	char **ppdata, int total_data,
3562	unsigned int max_data_bytes)
3563	{
3564	char params = pparams;
3565	uint16_t info_level;
3566	int data_len = 0;
3567	size_t fixed_portion;
3568	NTSTATUS status;
3569
3570	if (total_params < 2) {
3571	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3572	return;
3573	}
3574
3575	info_level = SVAL(params,0);
3576
3577	if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3578	if (info_level != SMB_QUERY_CIFS_UNIX_INFO) {
3579	DEBUG(0,("call_trans2qfsinfo: encryption required "
3580	"and info level 0x%x sent.\n",
3581	(unsigned int)info_level));
3582	exit_server_cleanly("encryption required "
3583	"on connection");
3584	return;
3585	}
3586	}
3587
3588	DEBUG(3,("call_trans2qfsinfo: level = %d\n", info_level));
3589
3590	status = smbd_do_qfsinfo(conn, req,
3591	info_level,
3592	req->flags2,
3593	max_data_bytes,
3594	&fixed_portion,
3595	NULL,
3596	ppdata, &data_len);
3597	if (!NT_STATUS_IS_OK(status)) {
3598	reply_nterror(req, status);
3599	return;
3600	}
3601
3602	send_trans2_replies(conn, req, params, 0, *ppdata, data_len,
3603	max_data_bytes);
3604
3605	DEBUG( 4, ( "%s info_level = %d\n",
3606	smb_fn_name(req->cmd), info_level) );
3607
3608	return;
3609	}
3610
3611	/****************************************************************************
3612	Reply to a TRANS2_SETFSINFO (set filesystem info).
3613	****************************************************************************/
3614
3615	static void call_trans2setfsinfo(connection_struct *conn,
3616	struct smb_request *req,
3617	char **pparams, int total_params,
3618	char **ppdata, int total_data,
3619	unsigned int max_data_bytes)
3620	{
3621	char pdata = ppdata;
3622	char params = pparams;
3623	uint16 info_level;
3624
3625	DEBUG(10,("call_trans2setfsinfo: for service [%s]\n",lp_servicename(SNUM(conn))));
3626
3627	/* */
3628	if (total_params < 4) {
3629	DEBUG(0,("call_trans2setfsinfo: requires total_params(%d) >= 4 bytes!\n",
3630	total_params));
3631	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3632	return;
3633	}
3634
3635	info_level = SVAL(params,2);
3636
3637	if (IS_IPC(conn)) {
3638	if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION &&
3639	info_level != SMB_SET_CIFS_UNIX_INFO) {
3640	DEBUG(0,("call_trans2setfsinfo: not an allowed "
3641	"info level (0x%x) on IPC$.\n",
3642	(unsigned int)info_level));
3643	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3644	return;
3645	}
3646	}
3647
3648	if (ENCRYPTION_REQUIRED(conn) && !req->encrypted) {
3649	if (info_level != SMB_REQUEST_TRANSPORT_ENCRYPTION) {
3650	DEBUG(0,("call_trans2setfsinfo: encryption required "
3651	"and info level 0x%x sent.\n",
3652	(unsigned int)info_level));
3653	exit_server_cleanly("encryption required "
3654	"on connection");
3655	return;
3656	}
3657	}
3658
3659	switch(info_level) {
3660	case SMB_SET_CIFS_UNIX_INFO:
3661	{
3662	uint16 client_unix_major;
3663	uint16 client_unix_minor;
3664	uint32 client_unix_cap_low;
3665	uint32 client_unix_cap_high;
3666
3667	if (!lp_unix_extensions()) {
3668	reply_nterror(req,
3669	NT_STATUS_INVALID_LEVEL);
3670	return;
3671	}
3672
3673	/* There should be 12 bytes of capabilities set. */
3674	if (total_data < 8) {
3675	reply_nterror(
3676	req,
3677	NT_STATUS_INVALID_PARAMETER);
3678	return;
3679	}
3680	client_unix_major = SVAL(pdata,0);
3681	client_unix_minor = SVAL(pdata,2);
3682	client_unix_cap_low = IVAL(pdata,4);
3683	client_unix_cap_high = IVAL(pdata,8);
3684	/* Just print these values for now. */
3685	DEBUG(10,("call_trans2setfsinfo: set unix info. major = %u, minor = %u \
3686	cap_low = 0x%x, cap_high = 0x%x\n",
3687	(unsigned int)client_unix_major,
3688	(unsigned int)client_unix_minor,
3689	(unsigned int)client_unix_cap_low,
3690	(unsigned int)client_unix_cap_high ));
3691
3692	/* Here is where we must switch to posix pathname processing... */
3693	if (client_unix_cap_low & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
3694	lp_set_posix_pathnames();
3695	mangle_change_to_posix();
3696	}
3697
3698	if ((client_unix_cap_low & CIFS_UNIX_FCNTL_LOCKS_CAP) &&
3699	!(client_unix_cap_low & CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP)) {
3700	/* Client that knows how to do posix locks,
3701	* but not posix open/mkdir operations. Set a
3702	* default type for read/write checks. */
3703
3704	lp_set_posix_default_cifsx_readwrite_locktype(POSIX_LOCK);
3705
3706	}
3707	break;
3708	}
3709
3710	case SMB_REQUEST_TRANSPORT_ENCRYPTION:
3711	{
3712	NTSTATUS status;
3713	size_t param_len = 0;
3714	size_t data_len = total_data;
3715
3716	if (!lp_unix_extensions()) {
3717	reply_nterror(
3718	req,
3719	NT_STATUS_INVALID_LEVEL);
3720	return;
3721	}
3722
3723	if (lp_smb_encrypt(SNUM(conn)) == false) {
3724	reply_nterror(
3725	req,
3726	NT_STATUS_NOT_SUPPORTED);
3727	return;
3728	}
3729
3730	if (req->sconn->smb1.echo_handler.trusted_fde) {
3731	DEBUG( 2,("call_trans2setfsinfo: "
3732	"request transport encryption disabled"
3733	"with 'fork echo handler = yes'\n"));
3734	reply_nterror(
3735	req,
3736	NT_STATUS_NOT_SUPPORTED);
3737	return;
3738	}
3739
3740	DEBUG( 4,("call_trans2setfsinfo: "
3741	"request transport encryption.\n"));
3742
3743	status = srv_request_encryption_setup(conn,
3744	(unsigned char **)ppdata,
3745	&data_len,
3746	(unsigned char **)pparams,
3747	&param_len);
3748
3749	if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) &&
3750	!NT_STATUS_IS_OK(status)) {
3751	reply_nterror(req, status);
3752	return;
3753	}
3754
3755	send_trans2_replies(conn, req,
3756	*pparams,
3757	param_len,
3758	*ppdata,
3759	data_len,
3760	max_data_bytes);
3761
3762	if (NT_STATUS_IS_OK(status)) {
3763	/* Server-side transport
3764	* encryption is now on. */
3765	status = srv_encryption_start(conn);
3766	if (!NT_STATUS_IS_OK(status)) {
3767	exit_server_cleanly(
3768	"Failure in setting "
3769	"up encrypted transport");
3770	}
3771	}
3772	return;
3773	}
3774
3775	case SMB_FS_QUOTA_INFORMATION:
3776	{
3777	files_struct *fsp = NULL;
3778	SMB_NTQUOTA_STRUCT quotas;
3779
3780	ZERO_STRUCT(quotas);
3781
3782	/* access check */
3783	if ((get_current_uid(conn) != 0) \|\| !CAN_WRITE(conn)) {
3784	DEBUG(0,("set_user_quota: access_denied service [%s] user [%s]\n",
3785	lp_servicename(SNUM(conn)),
3786	conn->session_info->unix_name));
3787	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3788	return;
3789	}
3790
3791	/* note: normaly there're 48 bytes,
3792	* but we didn't use the last 6 bytes for now
3793	* --metze
3794	*/
3795	fsp = file_fsp(req, SVAL(params,0));
3796
3797	if (!check_fsp_ntquota_handle(conn, req,
3798	fsp)) {
3799	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
3800	reply_nterror(
3801	req, NT_STATUS_INVALID_HANDLE);
3802	return;
3803	}
3804
3805	if (total_data < 42) {
3806	DEBUG(0,("call_trans2setfsinfo: SET_FS_QUOTA: requires total_data(%d) >= 42 bytes!\n",
3807	total_data));
3808	reply_nterror(
3809	req,
3810	NT_STATUS_INVALID_PARAMETER);
3811	return;
3812	}
3813
3814	/* unknown_1 24 NULL bytes in pdata*/
3815
3816	/* the soft quotas 8 bytes (uint64_t)*/
3817	quotas.softlim = BVAL(pdata,24);
3818
3819	/* the hard quotas 8 bytes (uint64_t)*/
3820	quotas.hardlim = BVAL(pdata,32);
3821
3822	/* quota_flags 2 bytes **/
3823	quotas.qflags = SVAL(pdata,40);
3824
3825	/* unknown_2 6 NULL bytes follow*/
3826
3827	/* now set the quotas */
3828	if (vfs_set_ntquota(fsp, SMB_USER_FS_QUOTA_TYPE, NULL, &quotas)!=0) {
3829	DEBUG(0,("vfs_set_ntquota() failed for service [%s]\n",lp_servicename(SNUM(conn))));
3830	reply_nterror(req, map_nt_error_from_unix(errno));
3831	return;
3832	}
3833
3834	break;
3835	}
3836	default:
3837	DEBUG(3,("call_trans2setfsinfo: unknown level (0x%X) not implemented yet.\n",
3838	info_level));
3839	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3840	return;
3841	break;
3842	}
3843
3844	/*
3845	* sending this reply works fine,
3846	* but I'm not sure it's the same
3847	* like windows do...
3848	* --metze
3849	*/
3850	reply_outbuf(req, 10, 0);
3851	}
3852
3853	#if defined(HAVE_POSIX_ACLS)
3854	/****************************************************************************
3855	Utility function to count the number of entries in a POSIX acl.
3856	****************************************************************************/
3857
3858	static unsigned int count_acl_entries(connection_struct *conn, SMB_ACL_T posix_acl)
3859	{
3860	unsigned int ace_count = 0;
3861	int entry_id = SMB_ACL_FIRST_ENTRY;
3862	SMB_ACL_ENTRY_T entry;
3863
3864	while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3865	/* get_next... */
3866	if (entry_id == SMB_ACL_FIRST_ENTRY) {
3867	entry_id = SMB_ACL_NEXT_ENTRY;
3868	}
3869	ace_count++;
3870	}
3871	return ace_count;
3872	}
3873
3874	/****************************************************************************
3875	Utility function to marshall a POSIX acl into wire format.
3876	****************************************************************************/
3877
3878	static bool marshall_posix_acl(connection_struct conn, char pdata, SMB_STRUCT_STAT *pst, SMB_ACL_T posix_acl)
3879	{
3880	int entry_id = SMB_ACL_FIRST_ENTRY;
3881	SMB_ACL_ENTRY_T entry;
3882
3883	while ( posix_acl && (SMB_VFS_SYS_ACL_GET_ENTRY(conn, posix_acl, entry_id, &entry) == 1)) {
3884	SMB_ACL_TAG_T tagtype;
3885	SMB_ACL_PERMSET_T permset;
3886	unsigned char perms = 0;
3887	unsigned int own_grp;
3888
3889	/* get_next... */
3890	if (entry_id == SMB_ACL_FIRST_ENTRY) {
3891	entry_id = SMB_ACL_NEXT_ENTRY;
3892	}
3893
3894	if (SMB_VFS_SYS_ACL_GET_TAG_TYPE(conn, entry, &tagtype) == -1) {
3895	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_TAG_TYPE failed.\n"));
3896	return False;
3897	}
3898
3899	if (SMB_VFS_SYS_ACL_GET_PERMSET(conn, entry, &permset) == -1) {
3900	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_PERMSET failed.\n"));
3901	return False;
3902	}
3903
3904	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_READ) ? SMB_POSIX_ACL_READ : 0);
3905	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_WRITE) ? SMB_POSIX_ACL_WRITE : 0);
3906	perms \|= (SMB_VFS_SYS_ACL_GET_PERM(conn, permset, SMB_ACL_EXECUTE) ? SMB_POSIX_ACL_EXECUTE : 0);
3907
3908	SCVAL(pdata,1,perms);
3909
3910	switch (tagtype) {
3911	case SMB_ACL_USER_OBJ:
3912	SCVAL(pdata,0,SMB_POSIX_ACL_USER_OBJ);
3913	own_grp = (unsigned int)pst->st_ex_uid;
3914	SIVAL(pdata,2,own_grp);
3915	SIVAL(pdata,6,0);
3916	break;
3917	case SMB_ACL_USER:
3918	{
3919	uid_t puid = (uid_t )SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3920	if (!puid) {
3921	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3922	return False;
3923	}
3924	own_grp = (unsigned int)*puid;
3925	SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)puid,tagtype);
3926	SCVAL(pdata,0,SMB_POSIX_ACL_USER);
3927	SIVAL(pdata,2,own_grp);
3928	SIVAL(pdata,6,0);
3929	break;
3930	}
3931	case SMB_ACL_GROUP_OBJ:
3932	SCVAL(pdata,0,SMB_POSIX_ACL_GROUP_OBJ);
3933	own_grp = (unsigned int)pst->st_ex_gid;
3934	SIVAL(pdata,2,own_grp);
3935	SIVAL(pdata,6,0);
3936	break;
3937	case SMB_ACL_GROUP:
3938	{
3939	gid_t pgid= (gid_t )SMB_VFS_SYS_ACL_GET_QUALIFIER(conn, entry);
3940	if (!pgid) {
3941	DEBUG(0,("marshall_posix_acl: SMB_VFS_SYS_ACL_GET_QUALIFIER failed.\n"));
3942	return False;
3943	}
3944	own_grp = (unsigned int)*pgid;
3945	SMB_VFS_SYS_ACL_FREE_QUALIFIER(conn, (void *)pgid,tagtype);
3946	SCVAL(pdata,0,SMB_POSIX_ACL_GROUP);
3947	SIVAL(pdata,2,own_grp);
3948	SIVAL(pdata,6,0);
3949	break;
3950	}
3951	case SMB_ACL_MASK:
3952	SCVAL(pdata,0,SMB_POSIX_ACL_MASK);
3953	SIVAL(pdata,2,0xFFFFFFFF);
3954	SIVAL(pdata,6,0xFFFFFFFF);
3955	break;
3956	case SMB_ACL_OTHER:
3957	SCVAL(pdata,0,SMB_POSIX_ACL_OTHER);
3958	SIVAL(pdata,2,0xFFFFFFFF);
3959	SIVAL(pdata,6,0xFFFFFFFF);
3960	break;
3961	default:
3962	DEBUG(0,("marshall_posix_acl: unknown tagtype.\n"));
3963	return False;
3964	}
3965	pdata += SMB_POSIX_ACL_ENTRY_SIZE;
3966	}
3967
3968	return True;
3969	}
3970	#endif
3971
3972	/****************************************************************************
3973	Store the FILE_UNIX_BASIC info.
3974	****************************************************************************/
3975
3976	static char store_file_unix_basic(connection_struct conn,
3977	char *pdata,
3978	files_struct *fsp,
3979	const SMB_STRUCT_STAT *psbuf)
3980	{
3981	uint64_t file_index = get_FileIndex(conn, psbuf);
3982
3983	DEBUG(10,("store_file_unix_basic: SMB_QUERY_FILE_UNIX_BASIC\n"));
3984	DEBUG(4,("store_file_unix_basic: st_mode=%o\n",(int)psbuf->st_ex_mode));
3985
3986	SOFF_T(pdata,0,get_file_size_stat(psbuf)); /* File size 64 Bit */
3987	pdata += 8;
3988
3989	SOFF_T(pdata,0,SMB_VFS_GET_ALLOC_SIZE(conn,fsp,psbuf)); /* Number of bytes used on disk - 64 Bit */
3990	pdata += 8;
3991
3992	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata, psbuf->st_ex_ctime); /* Change Time 64 Bit */
3993	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER ,pdata+8, psbuf->st_ex_atime); /* Last access time 64 Bit */
3994	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER, pdata+16, psbuf->st_ex_mtime); /* Last modification time 64 Bit */
3995	pdata += 24;
3996
3997	SIVAL(pdata,0,psbuf->st_ex_uid); /* user id for the owner */
3998	SIVAL(pdata,4,0);
3999	pdata += 8;
4000
4001	SIVAL(pdata,0,psbuf->st_ex_gid); /* group id of owner */
4002	SIVAL(pdata,4,0);
4003	pdata += 8;
4004
4005	SIVAL(pdata,0,unix_filetype(psbuf->st_ex_mode));
4006	pdata += 4;
4007
4008	SIVAL(pdata,0,unix_dev_major(psbuf->st_ex_rdev)); /* Major device number if type is device */
4009	SIVAL(pdata,4,0);
4010	pdata += 8;
4011
4012	SIVAL(pdata,0,unix_dev_minor(psbuf->st_ex_rdev)); /* Minor device number if type is device */
4013	SIVAL(pdata,4,0);
4014	pdata += 8;
4015
4016	SINO_T_VAL(pdata,0,(SMB_INO_T)file_index); /* inode number */
4017	pdata += 8;
4018
4019	SIVAL(pdata,0, unix_perms_to_wire(psbuf->st_ex_mode)); /* Standard UNIX file permissions */
4020	SIVAL(pdata,4,0);
4021	pdata += 8;
4022
4023	SIVAL(pdata,0,psbuf->st_ex_nlink); /* number of hard links */
4024	SIVAL(pdata,4,0);
4025	pdata += 8;
4026
4027	return pdata;
4028	}
4029
4030	/* Forward and reverse mappings from the UNIX_INFO2 file flags field and
4031	* the chflags(2) (or equivalent) flags.
4032	*
4033	* XXX: this really should be behind the VFS interface. To do this, we would
4034	* need to alter SMB_STRUCT_STAT so that it included a flags and a mask field.
4035	* Each VFS module could then implement its own mapping as appropriate for the
4036	* platform. We would then pass the SMB flags into SMB_VFS_CHFLAGS.
4037	*/
4038	static const struct {unsigned stat_fflag; unsigned smb_fflag;}
4039	info2_flags_map[] =
4040	{
4041	#ifdef UF_NODUMP
4042	{ UF_NODUMP, EXT_DO_NOT_BACKUP },
4043	#endif
4044
4045	#ifdef UF_IMMUTABLE
4046	{ UF_IMMUTABLE, EXT_IMMUTABLE },
4047	#endif
4048
4049	#ifdef UF_APPEND
4050	{ UF_APPEND, EXT_OPEN_APPEND_ONLY },
4051	#endif
4052
4053	#ifdef UF_HIDDEN
4054	{ UF_HIDDEN, EXT_HIDDEN },
4055	#endif
4056
4057	/* Do not remove. We need to guarantee that this array has at least one
4058	* entry to build on HP-UX.
4059	*/
4060	{ 0, 0 }
4061
4062	};
4063
4064	static void map_info2_flags_from_sbuf(const SMB_STRUCT_STAT *psbuf,
4065	uint32 smb_fflags, uint32 smb_fmask)
4066	{
4067	int i;
4068
4069	for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
4070	*smb_fmask \|= info2_flags_map[i].smb_fflag;
4071	if (psbuf->st_ex_flags & info2_flags_map[i].stat_fflag) {
4072	*smb_fflags \|= info2_flags_map[i].smb_fflag;
4073	}
4074	}
4075	}
4076
4077	static bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
4078	const uint32 smb_fflags,
4079	const uint32 smb_fmask,
4080	int *stat_fflags)
4081	{
4082	uint32 max_fmask = 0;
4083	int i;
4084
4085	*stat_fflags = psbuf->st_ex_flags;
4086
4087	/* For each flags requested in smb_fmask, check the state of the
4088	* corresponding flag in smb_fflags and set or clear the matching
4089	* stat flag.
4090	*/
4091
4092	for (i = 0; i < ARRAY_SIZE(info2_flags_map); ++i) {
4093	max_fmask \|= info2_flags_map[i].smb_fflag;
4094	if (smb_fmask & info2_flags_map[i].smb_fflag) {
4095	if (smb_fflags & info2_flags_map[i].smb_fflag) {
4096	*stat_fflags \|= info2_flags_map[i].stat_fflag;
4097	} else {
4098	*stat_fflags &= ~info2_flags_map[i].stat_fflag;
4099	}
4100	}
4101	}
4102
4103	/* If smb_fmask is asking to set any bits that are not supported by
4104	* our flag mappings, we should fail.
4105	*/
4106	if ((smb_fmask & max_fmask) != smb_fmask) {
4107	return False;
4108	}
4109
4110	return True;
4111	}
4112
4113
4114	/* Just like SMB_QUERY_FILE_UNIX_BASIC, but with the addition
4115	* of file flags and birth (create) time.
4116	*/
4117	static char store_file_unix_basic_info2(connection_struct conn,
4118	char *pdata,
4119	files_struct *fsp,
4120	const SMB_STRUCT_STAT *psbuf)
4121	{
4122	uint32 file_flags = 0;
4123	uint32 flags_mask = 0;
4124
4125	pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4126
4127	/* Create (birth) time 64 bit */
4128	put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER,pdata, psbuf->st_ex_btime);
4129	pdata += 8;
4130
4131	map_info2_flags_from_sbuf(psbuf, &file_flags, &flags_mask);
4132	SIVAL(pdata, 0, file_flags); /* flags */
4133	SIVAL(pdata, 4, flags_mask); /* mask */
4134	pdata += 8;
4135
4136	return pdata;
4137	}
4138
4139	static NTSTATUS marshall_stream_info(unsigned int num_streams,
4140	const struct stream_struct *streams,
4141	char *data,
4142	unsigned int max_data_bytes,
4143	unsigned int *data_size)
4144	{
4145	unsigned int i;
4146	unsigned int ofs = 0;
4147
4148	if (max_data_bytes < 32) {
4149	return NT_STATUS_INFO_LENGTH_MISMATCH;
4150	}
4151
4152	for (i = 0; i < num_streams; i++) {
4153	unsigned int next_offset;
4154	size_t namelen;
4155	smb_ucs2_t *namebuf;
4156
4157	if (!push_ucs2_talloc(talloc_tos(), &namebuf,
4158	streams[i].name, &namelen) \|\|
4159	namelen <= 2)
4160	{
4161	return NT_STATUS_INVALID_PARAMETER;
4162	}
4163
4164	/*
4165	* name_buf is now null-terminated, we need to marshall as not
4166	* terminated
4167	*/
4168
4169	namelen -= 2;
4170
4171	/*
4172	* We cannot overflow ...
4173	*/
4174	if ((ofs + 24 + namelen) > max_data_bytes) {
4175	DEBUG(10, ("refusing to overflow reply at stream %u\n",
4176	i));
4177	TALLOC_FREE(namebuf);
4178	return STATUS_BUFFER_OVERFLOW;
4179	}
4180
4181	SIVAL(data, ofs+4, namelen);
4182	SOFF_T(data, ofs+8, streams[i].size);
4183	SOFF_T(data, ofs+16, streams[i].alloc_size);
4184	memcpy(data+ofs+24, namebuf, namelen);
4185	TALLOC_FREE(namebuf);
4186
4187	next_offset = ofs + 24 + namelen;
4188
4189	if (i == num_streams-1) {
4190	SIVAL(data, ofs, 0);
4191	}
4192	else {
4193	unsigned int align = ndr_align_size(next_offset, 8);
4194
4195	if ((next_offset + align) > max_data_bytes) {
4196	DEBUG(10, ("refusing to overflow align "
4197	"reply at stream %u\n",
4198	i));
4199	TALLOC_FREE(namebuf);
4200	return STATUS_BUFFER_OVERFLOW;
4201	}
4202
4203	memset(data+next_offset, 0, align);
4204	next_offset += align;
4205
4206	SIVAL(data, ofs, next_offset - ofs);
4207	ofs = next_offset;
4208	}
4209
4210	ofs = next_offset;
4211	}
4212
4213	DEBUG(10, ("max_data: %u, data_size: %u\n", max_data_bytes, ofs));
4214
4215	*data_size = ofs;
4216
4217	return NT_STATUS_OK;
4218	}
4219
4220	/****************************************************************************
4221	Reply to a TRANSACT2_QFILEINFO on a PIPE !
4222	****************************************************************************/
4223
4224	static void call_trans2qpipeinfo(connection_struct *conn,
4225	struct smb_request *req,
4226	unsigned int tran_call,
4227	char **pparams, int total_params,
4228	char **ppdata, int total_data,
4229	unsigned int max_data_bytes)
4230	{
4231	char params = pparams;
4232	char pdata = ppdata;
4233	unsigned int data_size = 0;
4234	unsigned int param_size = 2;
4235	uint16 info_level;
4236	files_struct *fsp;
4237
4238	if (!params) {
4239	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4240	return;
4241	}
4242
4243	if (total_params < 4) {
4244	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4245	return;
4246	}
4247
4248	fsp = file_fsp(req, SVAL(params,0));
4249	if (!fsp_is_np(fsp)) {
4250	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
4251	return;
4252	}
4253
4254	info_level = SVAL(params,2);
4255
4256	pparams = (char )SMB_REALLOC(*pparams,2);
4257	if (*pparams == NULL) {
4258	reply_nterror(req, NT_STATUS_NO_MEMORY);
4259	return;
4260	}
4261	params = *pparams;
4262	SSVAL(params,0,0);
4263	data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4264	ppdata = (char )SMB_REALLOC(*ppdata, data_size);
4265	if (*ppdata == NULL ) {
4266	reply_nterror(req, NT_STATUS_NO_MEMORY);
4267	return;
4268	}
4269	pdata = *ppdata;
4270
4271	switch (info_level) {
4272	case SMB_FILE_STANDARD_INFORMATION:
4273	memset(pdata,0,24);
4274	SOFF_T(pdata,0,4096LL);
4275	SIVAL(pdata,16,1);
4276	SIVAL(pdata,20,1);
4277	data_size = 24;
4278	break;
4279
4280	default:
4281	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
4282	return;
4283	}
4284
4285	send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
4286	max_data_bytes);
4287
4288	return;
4289	}
4290
4291	NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
4292	TALLOC_CTX *mem_ctx,
4293	uint16_t info_level,
4294	files_struct *fsp,
4295	struct smb_filename *smb_fname,
4296	bool delete_pending,
4297	struct timespec write_time_ts,
4298	struct ea_list *ea_list,
4299	int lock_data_count,
4300	char *lock_data,
4301	uint16_t flags2,
4302	unsigned int max_data_bytes,
4303	size_t *fixed_portion,
4304	char **ppdata,
4305	unsigned int *pdata_size)
4306	{
4307	char pdata = ppdata;
4308	char dstart, dend;
4309	unsigned int data_size;
4310	struct timespec create_time_ts, mtime_ts, atime_ts, ctime_ts;
4311	time_t create_time, mtime, atime, c_time;
4312	SMB_STRUCT_STAT *psbuf = &smb_fname->st;
4313	char *p;
4314	char *base_name;
4315	char *dos_fname;
4316	int mode;
4317	int nlink;
4318	NTSTATUS status;
4319	uint64_t file_size = 0;
4320	uint64_t pos = 0;
4321	uint64_t allocation_size = 0;
4322	uint64_t file_index = 0;
4323	uint32_t access_mask = 0;
4324
4325	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
4326	return NT_STATUS_INVALID_LEVEL;
4327	}
4328
4329	DEBUG(5,("smbd_do_qfilepathinfo: %s (fnum = %d) level=%d max_data=%u\n",
4330	smb_fname_str_dbg(smb_fname), fsp ? fsp->fnum : -1,
4331	info_level, max_data_bytes));
4332
4333	mode = dos_mode(conn, smb_fname);
4334	nlink = psbuf->st_ex_nlink;
4335
4336	if (nlink && (mode&FILE_ATTRIBUTE_DIRECTORY)) {
4337	nlink = 1;
4338	}
4339
4340	if ((nlink > 0) && delete_pending) {
4341	nlink -= 1;
4342	}
4343
4344	data_size = max_data_bytes + DIR_ENTRY_SAFETY_MARGIN;
4345	ppdata = (char )SMB_REALLOC(*ppdata, data_size);
4346	if (*ppdata == NULL) {
4347	return NT_STATUS_NO_MEMORY;
4348	}
4349	pdata = *ppdata;
4350	dstart = pdata;
4351	dend = dstart + data_size - 1;
4352
4353	if (!null_timespec(write_time_ts) && !INFO_LEVEL_IS_UNIX(info_level)) {
4354	update_stat_ex_mtime(psbuf, write_time_ts);
4355	}
4356
4357	create_time_ts = get_create_timespec(conn, fsp, smb_fname);
4358	mtime_ts = psbuf->st_ex_mtime;
4359	atime_ts = psbuf->st_ex_atime;
4360	ctime_ts = get_change_timespec(conn, fsp, smb_fname);
4361
4362	if (lp_dos_filetime_resolution(SNUM(conn))) {
4363	dos_filetime_timespec(&create_time_ts);
4364	dos_filetime_timespec(&mtime_ts);
4365	dos_filetime_timespec(&atime_ts);
4366	dos_filetime_timespec(&ctime_ts);
4367	}
4368
4369	create_time = convert_timespec_to_time_t(create_time_ts);
4370	mtime = convert_timespec_to_time_t(mtime_ts);
4371	atime = convert_timespec_to_time_t(atime_ts);
4372	c_time = convert_timespec_to_time_t(ctime_ts);
4373
4374	p = strrchr_m(smb_fname->base_name,'/');
4375	if (!p)
4376	base_name = smb_fname->base_name;
4377	else
4378	base_name = p+1;
4379
4380	/* NT expects the name to be in an exact form of the full
4381	filename. See the trans2 torture test */
4382	if (ISDOT(base_name)) {
4383	dos_fname = talloc_strdup(mem_ctx, "\\");
4384	if (!dos_fname) {
4385	return NT_STATUS_NO_MEMORY;
4386	}
4387	} else {
4388	dos_fname = talloc_asprintf(mem_ctx,
4389	"\\%s",
4390	smb_fname->base_name);
4391	if (!dos_fname) {
4392	return NT_STATUS_NO_MEMORY;
4393	}
4394	if (is_ntfs_stream_smb_fname(smb_fname)) {
4395	dos_fname = talloc_asprintf(dos_fname, "%s",
4396	smb_fname->stream_name);
4397	if (!dos_fname) {
4398	return NT_STATUS_NO_MEMORY;
4399	}
4400	}
4401
4402	string_replace(dos_fname, '/', '\\');
4403	}
4404
4405	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp, psbuf);
4406
4407	if (!fsp) {
4408	/* Do we have this path open ? */
4409	files_struct *fsp1;
4410	struct file_id fileid = vfs_file_id_from_sbuf(conn, psbuf);
4411	fsp1 = file_find_di_first(conn->sconn, fileid);
4412	if (fsp1 && fsp1->initial_allocation_size) {
4413	allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, fsp1, psbuf);
4414	}
4415	}
4416
4417	if (!(mode & FILE_ATTRIBUTE_DIRECTORY)) {
4418	file_size = get_file_size_stat(psbuf);
4419	}
4420
4421	if (fsp) {
4422	pos = fsp->fh->position_information;
4423	}
4424
4425	if (fsp) {
4426	access_mask = fsp->access_mask;
4427	} else {
4428	/* GENERIC_EXECUTE mapping from Windows */
4429	access_mask = 0x12019F;
4430	}
4431
4432	/* This should be an index number - looks like
4433	dev/ino to me :-)
4434
4435	I think this causes us to fail the IFSKIT
4436	BasicFileInformationTest. -tpot */
4437	file_index = get_FileIndex(conn, psbuf);
4438
4439	*fixed_portion = 0;
4440
4441	switch (info_level) {
4442	case SMB_INFO_STANDARD:
4443	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_STANDARD\n"));
4444	data_size = 22;
4445	srv_put_dos_date2(pdata,l1_fdateCreation,create_time);
4446	srv_put_dos_date2(pdata,l1_fdateLastAccess,atime);
4447	srv_put_dos_date2(pdata,l1_fdateLastWrite,mtime); /* write time */
4448	SIVAL(pdata,l1_cbFile,(uint32)file_size);
4449	SIVAL(pdata,l1_cbFileAlloc,(uint32)allocation_size);
4450	SSVAL(pdata,l1_attrFile,mode);
4451	break;
4452
4453	case SMB_INFO_QUERY_EA_SIZE:
4454	{
4455	unsigned int ea_size =
4456	estimate_ea_size(conn, fsp,
4457	smb_fname->base_name);
4458	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EA_SIZE\n"));
4459	data_size = 26;
4460	srv_put_dos_date2(pdata,0,create_time);
4461	srv_put_dos_date2(pdata,4,atime);
4462	srv_put_dos_date2(pdata,8,mtime); /* write time */
4463	SIVAL(pdata,12,(uint32)file_size);
4464	SIVAL(pdata,16,(uint32)allocation_size);
4465	SSVAL(pdata,20,mode);
4466	SIVAL(pdata,22,ea_size);
4467	break;
4468	}
4469
4470	case SMB_INFO_IS_NAME_VALID:
4471	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_IS_NAME_VALID\n"));
4472	if (fsp) {
4473	/* os/2 needs this ? really ?*/
4474	return NT_STATUS_DOS(ERRDOS, ERRbadfunc);
4475	}
4476	/* This is only reached for qpathinfo */
4477	data_size = 0;
4478	break;
4479
4480	case SMB_INFO_QUERY_EAS_FROM_LIST:
4481	{
4482	size_t total_ea_len = 0;
4483	struct ea_list *ea_file_list = NULL;
4484
4485	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_EAS_FROM_LIST\n"));
4486
4487	ea_file_list =
4488	get_ea_list_from_file(mem_ctx, conn, fsp,
4489	smb_fname->base_name,
4490	&total_ea_len);
4491	ea_list = ea_list_union(ea_list, ea_file_list, &total_ea_len);
4492
4493	if (!ea_list \|\| (total_ea_len > data_size)) {
4494	data_size = 4;
4495	SIVAL(pdata,0,4); /* EA List Length must be set to 4 if no EA's. */
4496	break;
4497	}
4498
4499	data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4500	break;
4501	}
4502
4503	case SMB_INFO_QUERY_ALL_EAS:
4504	{
4505	/* We have data_size bytes to put EA's into. */
4506	size_t total_ea_len = 0;
4507
4508	DEBUG(10,("smbd_do_qfilepathinfo: SMB_INFO_QUERY_ALL_EAS\n"));
4509
4510	ea_list = get_ea_list_from_file(mem_ctx, conn, fsp,
4511	smb_fname->base_name,
4512	&total_ea_len);
4513	if (!ea_list \|\| (total_ea_len > data_size)) {
4514	data_size = 4;
4515	SIVAL(pdata,0,4); /* EA List Length must be set to 4 if no EA's. */
4516	break;
4517	}
4518
4519	data_size = fill_ea_buffer(mem_ctx, pdata, data_size, conn, ea_list);
4520	break;
4521	}
4522
4523	case 0xFF0F:/SMB2_INFO_QUERY_ALL_EAS/
4524	{
4525	/* This is FileFullEaInformation - 0xF which maps to
4526	* 1015 (decimal) in smbd_do_setfilepathinfo. */
4527
4528	/* We have data_size bytes to put EA's into. */
4529	size_t total_ea_len = 0;
4530	struct ea_list *ea_file_list = NULL;
4531
4532	DEBUG(10,("smbd_do_qfilepathinfo: SMB2_INFO_QUERY_ALL_EAS\n"));
4533
4534	/TODO: add filtering and index handling /
4535
4536	ea_file_list =
4537	get_ea_list_from_file(mem_ctx, conn, fsp,
4538	smb_fname->base_name,
4539	&total_ea_len);
4540	if (!ea_file_list) {
4541	return NT_STATUS_NO_EAS_ON_FILE;
4542	}
4543
4544	status = fill_ea_chained_buffer(mem_ctx,
4545	pdata,
4546	data_size,
4547	&data_size,
4548	conn, ea_file_list);
4549	if (!NT_STATUS_IS_OK(status)) {
4550	return status;
4551	}
4552	break;
4553	}
4554
4555	case SMB_FILE_BASIC_INFORMATION:
4556	case SMB_QUERY_FILE_BASIC_INFO:
4557
4558	if (info_level == SMB_QUERY_FILE_BASIC_INFO) {
4559	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_BASIC_INFO\n"));
4560	data_size = 36; /* w95 returns 40 bytes not 36 - why ?. */
4561	} else {
4562	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_BASIC_INFORMATION\n"));
4563	data_size = 40;
4564	SIVAL(pdata,36,0);
4565	}
4566	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4567	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4568	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4569	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4570	SIVAL(pdata,32,mode);
4571
4572	DEBUG(5,("SMB_QFBI - "));
4573	DEBUG(5,("create: %s ", ctime(&create_time)));
4574	DEBUG(5,("access: %s ", ctime(&atime)));
4575	DEBUG(5,("write: %s ", ctime(&mtime)));
4576	DEBUG(5,("change: %s ", ctime(&c_time)));
4577	DEBUG(5,("mode: %x\n", mode));
4578	*fixed_portion = data_size;
4579	break;
4580
4581	case SMB_FILE_STANDARD_INFORMATION:
4582	case SMB_QUERY_FILE_STANDARD_INFO:
4583
4584	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_STANDARD_INFORMATION\n"));
4585	data_size = 24;
4586	SOFF_T(pdata,0,allocation_size);
4587	SOFF_T(pdata,8,file_size);
4588	SIVAL(pdata,16,nlink);
4589	SCVAL(pdata,20,delete_pending?1:0);
4590	SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4591	SSVAL(pdata,22,0); /* Padding. */
4592	*fixed_portion = 24;
4593	break;
4594
4595	case SMB_FILE_EA_INFORMATION:
4596	case SMB_QUERY_FILE_EA_INFO:
4597	{
4598	unsigned int ea_size =
4599	estimate_ea_size(conn, fsp, smb_fname->base_name);
4600	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_EA_INFORMATION\n"));
4601	data_size = 4;
4602	*fixed_portion = 4;
4603	SIVAL(pdata,0,ea_size);
4604	break;
4605	}
4606
4607	/* Get the 8.3 name - used if NT SMB was negotiated. */
4608	case SMB_QUERY_FILE_ALT_NAME_INFO:
4609	case SMB_FILE_ALTERNATE_NAME_INFORMATION:
4610	{
4611	int len;
4612	char mangled_name[13];
4613	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALTERNATE_NAME_INFORMATION\n"));
4614	if (!name_to_8_3(base_name,mangled_name,
4615	True,conn->params)) {
4616	return NT_STATUS_NO_MEMORY;
4617	}
4618	len = srvstr_push(dstart, flags2,
4619	pdata+4, mangled_name,
4620	PTR_DIFF(dend, pdata+4),
4621	STR_UNICODE);
4622	data_size = 4 + len;
4623	SIVAL(pdata,0,len);
4624	*fixed_portion = 8;
4625	break;
4626	}
4627
4628	case SMB_QUERY_FILE_NAME_INFO:
4629	{
4630	int len;
4631	/*
4632	this must be exactly right for ACLs on mapped drives to work
4633	*/
4634	len = srvstr_push(dstart, flags2,
4635	pdata+4, dos_fname,
4636	PTR_DIFF(dend, pdata+4),
4637	STR_UNICODE);
4638	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_NAME_INFO\n"));
4639	data_size = 4 + len;
4640	SIVAL(pdata,0,len);
4641	break;
4642	}
4643
4644	case SMB_FILE_ALLOCATION_INFORMATION:
4645	case SMB_QUERY_FILE_ALLOCATION_INFO:
4646	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALLOCATION_INFORMATION\n"));
4647	data_size = 8;
4648	SOFF_T(pdata,0,allocation_size);
4649	break;
4650
4651	case SMB_FILE_END_OF_FILE_INFORMATION:
4652	case SMB_QUERY_FILE_END_OF_FILEINFO:
4653	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_END_OF_FILE_INFORMATION\n"));
4654	data_size = 8;
4655	SOFF_T(pdata,0,file_size);
4656	break;
4657
4658	case SMB_QUERY_FILE_ALL_INFO:
4659	case SMB_FILE_ALL_INFORMATION:
4660	{
4661	int len;
4662	unsigned int ea_size =
4663	estimate_ea_size(conn, fsp, smb_fname->base_name);
4664	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALL_INFORMATION\n"));
4665	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4666	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4667	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4668	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4669	SIVAL(pdata,32,mode);
4670	SIVAL(pdata,36,0); /* padding. */
4671	pdata += 40;
4672	SOFF_T(pdata,0,allocation_size);
4673	SOFF_T(pdata,8,file_size);
4674	SIVAL(pdata,16,nlink);
4675	SCVAL(pdata,20,delete_pending);
4676	SCVAL(pdata,21,(mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4677	SSVAL(pdata,22,0);
4678	pdata += 24;
4679	SIVAL(pdata,0,ea_size);
4680	pdata += 4; /* EA info */
4681	len = srvstr_push(dstart, flags2,
4682	pdata+4, dos_fname,
4683	PTR_DIFF(dend, pdata+4),
4684	STR_UNICODE);
4685	SIVAL(pdata,0,len);
4686	pdata += 4 + len;
4687	data_size = PTR_DIFF(pdata,(*ppdata));
4688	*fixed_portion = 10;
4689	break;
4690	}
4691
4692	case 0xFF12:/SMB2_FILE_ALL_INFORMATION/
4693	{
4694	int len;
4695	unsigned int ea_size =
4696	estimate_ea_size(conn, fsp, smb_fname->base_name);
4697	DEBUG(10,("smbd_do_qfilepathinfo: SMB2_FILE_ALL_INFORMATION\n"));
4698	put_long_date_timespec(conn->ts_res,pdata+0x00,create_time_ts);
4699	put_long_date_timespec(conn->ts_res,pdata+0x08,atime_ts);
4700	put_long_date_timespec(conn->ts_res,pdata+0x10,mtime_ts); /* write time */
4701	put_long_date_timespec(conn->ts_res,pdata+0x18,ctime_ts); /* change time */
4702	SIVAL(pdata, 0x20, mode);
4703	SIVAL(pdata, 0x24, 0); /* padding. */
4704	SBVAL(pdata, 0x28, allocation_size);
4705	SBVAL(pdata, 0x30, file_size);
4706	SIVAL(pdata, 0x38, nlink);
4707	SCVAL(pdata, 0x3C, delete_pending);
4708	SCVAL(pdata, 0x3D, (mode&FILE_ATTRIBUTE_DIRECTORY)?1:0);
4709	SSVAL(pdata, 0x3E, 0); /* padding */
4710	SBVAL(pdata, 0x40, file_index);
4711	SIVAL(pdata, 0x48, ea_size);
4712	SIVAL(pdata, 0x4C, access_mask);
4713	SBVAL(pdata, 0x50, pos);
4714	SIVAL(pdata, 0x58, mode); /TODO: mode != mode fix this!!! /
4715	SIVAL(pdata, 0x5C, 0); /* No alignment needed. */
4716
4717	pdata += 0x60;
4718
4719	len = srvstr_push(dstart, flags2,
4720	pdata+4, dos_fname,
4721	PTR_DIFF(dend, pdata+4),
4722	STR_UNICODE);
4723	SIVAL(pdata,0,len);
4724	pdata += 4 + len;
4725	data_size = PTR_DIFF(pdata,(*ppdata));
4726	*fixed_portion = 104;
4727	break;
4728	}
4729	case SMB_FILE_INTERNAL_INFORMATION:
4730
4731	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_INTERNAL_INFORMATION\n"));
4732	SBVAL(pdata, 0, file_index);
4733	data_size = 8;
4734	*fixed_portion = 8;
4735	break;
4736
4737	case SMB_FILE_ACCESS_INFORMATION:
4738	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ACCESS_INFORMATION\n"));
4739	SIVAL(pdata, 0, access_mask);
4740	data_size = 4;
4741	*fixed_portion = 4;
4742	break;
4743
4744	case SMB_FILE_NAME_INFORMATION:
4745	/* Pathname with leading '\'. */
4746	{
4747	size_t byte_len;
4748	byte_len = dos_PutUniCode(pdata+4,dos_fname,(size_t)max_data_bytes,False);
4749	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NAME_INFORMATION\n"));
4750	SIVAL(pdata,0,byte_len);
4751	data_size = 4 + byte_len;
4752	break;
4753	}
4754
4755	case SMB_FILE_DISPOSITION_INFORMATION:
4756	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_DISPOSITION_INFORMATION\n"));
4757	data_size = 1;
4758	SCVAL(pdata,0,delete_pending);
4759	*fixed_portion = 1;
4760	break;
4761
4762	case SMB_FILE_POSITION_INFORMATION:
4763	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_POSITION_INFORMATION\n"));
4764	data_size = 8;
4765	SOFF_T(pdata,0,pos);
4766	*fixed_portion = 8;
4767	break;
4768
4769	case SMB_FILE_MODE_INFORMATION:
4770	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_MODE_INFORMATION\n"));
4771	SIVAL(pdata,0,mode);
4772	data_size = 4;
4773	*fixed_portion = 4;
4774	break;
4775
4776	case SMB_FILE_ALIGNMENT_INFORMATION:
4777	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ALIGNMENT_INFORMATION\n"));
4778	SIVAL(pdata,0,0); /* No alignment needed. */
4779	data_size = 4;
4780	*fixed_portion = 4;
4781	break;
4782
4783	/*
4784	* NT4 server just returns "invalid query" to this - if we try
4785	* to answer it then NTws gets a BSOD! (tridge). W2K seems to
4786	* want this. JRA.
4787	*/
4788	/* The first statement above is false - verified using Thursby
4789	* client against NT4 -- gcolley.
4790	*/
4791	case SMB_QUERY_FILE_STREAM_INFO:
4792	case SMB_FILE_STREAM_INFORMATION: {
4793	unsigned int num_streams = 0;
4794	struct stream_struct *streams = NULL;
4795
4796	DEBUG(10,("smbd_do_qfilepathinfo: "
4797	"SMB_FILE_STREAM_INFORMATION\n"));
4798
4799	if (is_ntfs_stream_smb_fname(smb_fname)) {
4800	return NT_STATUS_INVALID_PARAMETER;
4801	}
4802
4803	status = vfs_streaminfo(conn, fsp, smb_fname->base_name,
4804	talloc_tos(), &num_streams, &streams);
4805
4806	if (!NT_STATUS_IS_OK(status)) {
4807	DEBUG(10, ("could not get stream info: %s\n",
4808	nt_errstr(status)));
4809	return status;
4810	}
4811
4812	status = marshall_stream_info(num_streams, streams,
4813	pdata, max_data_bytes,
4814	&data_size);
4815
4816	if (!NT_STATUS_IS_OK(status)) {
4817	DEBUG(10, ("marshall_stream_info failed: %s\n",
4818	nt_errstr(status)));
4819	TALLOC_FREE(streams);
4820	return status;
4821	}
4822
4823	TALLOC_FREE(streams);
4824
4825	*fixed_portion = 32;
4826
4827	break;
4828	}
4829	case SMB_QUERY_COMPRESSION_INFO:
4830	case SMB_FILE_COMPRESSION_INFORMATION:
4831	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_COMPRESSION_INFORMATION\n"));
4832	SOFF_T(pdata,0,file_size);
4833	SIVAL(pdata,8,0); /* ??? */
4834	SIVAL(pdata,12,0); /* ??? */
4835	data_size = 16;
4836	*fixed_portion = 16;
4837	break;
4838
4839	case SMB_FILE_NETWORK_OPEN_INFORMATION:
4840	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_NETWORK_OPEN_INFORMATION\n"));
4841	put_long_date_timespec(conn->ts_res,pdata,create_time_ts);
4842	put_long_date_timespec(conn->ts_res,pdata+8,atime_ts);
4843	put_long_date_timespec(conn->ts_res,pdata+16,mtime_ts); /* write time */
4844	put_long_date_timespec(conn->ts_res,pdata+24,ctime_ts); /* change time */
4845	SOFF_T(pdata,32,allocation_size);
4846	SOFF_T(pdata,40,file_size);
4847	SIVAL(pdata,48,mode);
4848	SIVAL(pdata,52,0); /* ??? */
4849	data_size = 56;
4850	*fixed_portion = 56;
4851	break;
4852
4853	case SMB_FILE_ATTRIBUTE_TAG_INFORMATION:
4854	DEBUG(10,("smbd_do_qfilepathinfo: SMB_FILE_ATTRIBUTE_TAG_INFORMATION\n"));
4855	SIVAL(pdata,0,mode);
4856	SIVAL(pdata,4,0);
4857	data_size = 8;
4858	*fixed_portion = 8;
4859	break;
4860
4861	/*
4862	* CIFS UNIX Extensions.
4863	*/
4864
4865	case SMB_QUERY_FILE_UNIX_BASIC:
4866
4867	pdata = store_file_unix_basic(conn, pdata, fsp, psbuf);
4868	data_size = PTR_DIFF(pdata,(*ppdata));
4869
4870	DEBUG(4,("smbd_do_qfilepathinfo: "
4871	"SMB_QUERY_FILE_UNIX_BASIC\n"));
4872	dump_data(4, (uint8_t )(ppdata), data_size);
4873
4874	break;
4875
4876	case SMB_QUERY_FILE_UNIX_INFO2:
4877
4878	pdata = store_file_unix_basic_info2(conn, pdata, fsp, psbuf);
4879	data_size = PTR_DIFF(pdata,(*ppdata));
4880
4881	{
4882	int i;
4883	DEBUG(4,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_INFO2 "));
4884
4885	for (i=0; i<100; i++)
4886	DEBUG(4,("%d=%x, ",i, (*ppdata)[i]));
4887	DEBUG(4,("\n"));
4888	}
4889
4890	break;
4891
4892	case SMB_QUERY_FILE_UNIX_LINK:
4893	{
4894	int len;
4895	char *buffer = TALLOC_ARRAY(mem_ctx, char, PATH_MAX+1);
4896
4897	if (!buffer) {
4898	return NT_STATUS_NO_MEMORY;
4899	}
4900
4901	DEBUG(10,("smbd_do_qfilepathinfo: SMB_QUERY_FILE_UNIX_LINK\n"));
4902	#ifdef S_ISLNK
4903	if(!S_ISLNK(psbuf->st_ex_mode)) {
4904	return NT_STATUS_DOS(ERRSRV, ERRbadlink);
4905	}
4906	#else
4907	return NT_STATUS_DOS(ERRDOS, ERRbadlink);
4908	#endif
4909	len = SMB_VFS_READLINK(conn,
4910	smb_fname->base_name,
4911	buffer, PATH_MAX);
4912	if (len == -1) {
4913	return map_nt_error_from_unix(errno);
4914	}
4915	buffer[len] = 0;
4916	len = srvstr_push(dstart, flags2,
4917	pdata, buffer,
4918	PTR_DIFF(dend, pdata),
4919	STR_TERMINATE);
4920	pdata += len;
4921	data_size = PTR_DIFF(pdata,(*ppdata));
4922
4923	break;
4924	}
4925
4926	#if defined(HAVE_POSIX_ACLS)
4927	case SMB_QUERY_POSIX_ACL:
4928	{
4929	SMB_ACL_T file_acl = NULL;
4930	SMB_ACL_T def_acl = NULL;
4931	uint16 num_file_acls = 0;
4932	uint16 num_def_acls = 0;
4933
4934	if (fsp && fsp->fh->fd != -1) {
4935	file_acl = SMB_VFS_SYS_ACL_GET_FD(fsp);
4936	} else {
4937	file_acl =
4938	SMB_VFS_SYS_ACL_GET_FILE(conn,
4939	smb_fname->base_name,
4940	SMB_ACL_TYPE_ACCESS);
4941	}
4942
4943	if (file_acl == NULL && no_acl_syscall_error(errno)) {
4944	DEBUG(5,("smbd_do_qfilepathinfo: ACLs "
4945	"not implemented on "
4946	"filesystem containing %s\n",
4947	smb_fname->base_name));
4948	return NT_STATUS_NOT_IMPLEMENTED;
4949	}
4950
4951	if (S_ISDIR(psbuf->st_ex_mode)) {
4952	if (fsp && fsp->is_directory) {
4953	def_acl =
4954	SMB_VFS_SYS_ACL_GET_FILE(
4955	conn,
4956	fsp->fsp_name->base_name,
4957	SMB_ACL_TYPE_DEFAULT);
4958	} else {
4959	def_acl =
4960	SMB_VFS_SYS_ACL_GET_FILE(
4961	conn,
4962	smb_fname->base_name,
4963	SMB_ACL_TYPE_DEFAULT);
4964	}
4965	def_acl = free_empty_sys_acl(conn, def_acl);
4966	}
4967
4968	num_file_acls = count_acl_entries(conn, file_acl);
4969	num_def_acls = count_acl_entries(conn, def_acl);
4970
4971	if ( data_size < (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE) {
4972	DEBUG(5,("smbd_do_qfilepathinfo: data_size too small (%u) need %u\n",
4973	data_size,
4974	(unsigned int)((num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE +
4975	SMB_POSIX_ACL_HEADER_SIZE) ));
4976	if (file_acl) {
4977	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4978	}
4979	if (def_acl) {
4980	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4981	}
4982	return NT_STATUS_BUFFER_TOO_SMALL;
4983	}
4984
4985	SSVAL(pdata,0,SMB_POSIX_ACL_VERSION);
4986	SSVAL(pdata,2,num_file_acls);
4987	SSVAL(pdata,4,num_def_acls);
4988	if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE, psbuf, file_acl)) {
4989	if (file_acl) {
4990	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
4991	}
4992	if (def_acl) {
4993	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
4994	}
4995	return NT_STATUS_INTERNAL_ERROR;
4996	}
4997	if (!marshall_posix_acl(conn, pdata + SMB_POSIX_ACL_HEADER_SIZE + (num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE), psbuf, def_acl)) {
4998	if (file_acl) {
4999	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
5000	}
5001	if (def_acl) {
5002	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
5003	}
5004	return NT_STATUS_INTERNAL_ERROR;
5005	}
5006
5007	if (file_acl) {
5008	SMB_VFS_SYS_ACL_FREE_ACL(conn, file_acl);
5009	}
5010	if (def_acl) {
5011	SMB_VFS_SYS_ACL_FREE_ACL(conn, def_acl);
5012	}
5013	data_size = (num_file_acls + num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE + SMB_POSIX_ACL_HEADER_SIZE;
5014	break;
5015	}
5016	#endif
5017
5018
5019	case SMB_QUERY_POSIX_LOCK:
5020	{
5021	uint64_t count;
5022	uint64_t offset;
5023	uint64_t smblctx;
5024	enum brl_type lock_type;
5025
5026	/* We need an open file with a real fd for this. */
5027	if (!fsp \|\| fsp->fh->fd == -1) {
5028	return NT_STATUS_INVALID_LEVEL;
5029	}
5030
5031	if (lock_data_count != POSIX_LOCK_DATA_SIZE) {
5032	return NT_STATUS_INVALID_PARAMETER;
5033	}
5034
5035	switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
5036	case POSIX_LOCK_TYPE_READ:
5037	lock_type = READ_LOCK;
5038	break;
5039	case POSIX_LOCK_TYPE_WRITE:
5040	lock_type = WRITE_LOCK;
5041	break;
5042	case POSIX_LOCK_TYPE_UNLOCK:
5043	default:
5044	/* There's no point in asking for an unlock... */
5045	return NT_STATUS_INVALID_PARAMETER;
5046	}
5047
5048	smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
5049	#if defined(HAVE_LONGLONG)
5050	offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) \|
5051	((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
5052	count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) \|
5053	((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
5054	#else /* HAVE_LONGLONG */
5055	offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
5056	count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
5057	#endif /* HAVE_LONGLONG */
5058
5059	status = query_lock(fsp,
5060	&smblctx,
5061	&count,
5062	&offset,
5063	&lock_type,
5064	POSIX_LOCK);
5065
5066	if (ERROR_WAS_LOCK_DENIED(status)) {
5067	/* Here we need to report who has it locked... */
5068	data_size = POSIX_LOCK_DATA_SIZE;
5069
5070	SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, lock_type);
5071	SSVAL(pdata, POSIX_LOCK_FLAGS_OFFSET, 0);
5072	SIVAL(pdata, POSIX_LOCK_PID_OFFSET, (uint32_t)smblctx);
5073	#if defined(HAVE_LONGLONG)
5074	SIVAL(pdata, POSIX_LOCK_START_OFFSET, (uint32)(offset & 0xFFFFFFFF));
5075	SIVAL(pdata, POSIX_LOCK_START_OFFSET + 4, (uint32)((offset >> 32) & 0xFFFFFFFF));
5076	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, (uint32)(count & 0xFFFFFFFF));
5077	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET + 4, (uint32)((count >> 32) & 0xFFFFFFFF));
5078	#else /* HAVE_LONGLONG */
5079	SIVAL(pdata, POSIX_LOCK_START_OFFSET, offset);
5080	SIVAL(pdata, POSIX_LOCK_LEN_OFFSET, count);
5081	#endif /* HAVE_LONGLONG */
5082
5083	} else if (NT_STATUS_IS_OK(status)) {
5084	/* For success we just return a copy of what we sent
5085	with the lock type set to POSIX_LOCK_TYPE_UNLOCK. */
5086	data_size = POSIX_LOCK_DATA_SIZE;
5087	memcpy(pdata, lock_data, POSIX_LOCK_DATA_SIZE);
5088	SSVAL(pdata, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
5089	} else {
5090	return status;
5091	}
5092	break;
5093	}
5094
5095	default:
5096	return NT_STATUS_INVALID_LEVEL;
5097	}
5098
5099	*pdata_size = data_size;
5100	return NT_STATUS_OK;
5101	}
5102
5103	/****************************************************************************
5104	Reply to a TRANS2_QFILEPATHINFO or TRANSACT2_QFILEINFO (query file info by
5105	file name or file id).
5106	****************************************************************************/
5107
5108	static void call_trans2qfilepathinfo(connection_struct *conn,
5109	struct smb_request *req,
5110	unsigned int tran_call,
5111	char **pparams, int total_params,
5112	char **ppdata, int total_data,
5113	unsigned int max_data_bytes)
5114	{
5115	char params = pparams;
5116	char pdata = ppdata;
5117	uint16 info_level;
5118	unsigned int data_size = 0;
5119	unsigned int param_size = 2;
5120	struct smb_filename *smb_fname = NULL;
5121	bool delete_pending = False;
5122	struct timespec write_time_ts;
5123	files_struct *fsp = NULL;
5124	struct file_id fileid;
5125	struct ea_list *ea_list = NULL;
5126	int lock_data_count = 0;
5127	char *lock_data = NULL;
5128	size_t fixed_portion;
5129	NTSTATUS status = NT_STATUS_OK;
5130
5131	if (!params) {
5132	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5133	return;
5134	}
5135
5136	ZERO_STRUCT(write_time_ts);
5137
5138	if (tran_call == TRANSACT2_QFILEINFO) {
5139	if (total_params < 4) {
5140	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5141	return;
5142	}
5143
5144	if (IS_IPC(conn)) {
5145	call_trans2qpipeinfo(conn, req, tran_call,
5146	pparams, total_params,
5147	ppdata, total_data,
5148	max_data_bytes);
5149	return;
5150	}
5151
5152	fsp = file_fsp(req, SVAL(params,0));
5153	info_level = SVAL(params,2);
5154
5155	DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QFILEINFO: level = %d\n", info_level));
5156
5157	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
5158	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5159	return;
5160	}
5161
5162	/* Initial check for valid fsp ptr. */
5163	if (!check_fsp_open(conn, req, fsp)) {
5164	return;
5165	}
5166
5167	status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
5168	&smb_fname);
5169	if (!NT_STATUS_IS_OK(status)) {
5170	reply_nterror(req, status);
5171	return;
5172	}
5173
5174	if(fsp->fake_file_handle) {
5175	/*
5176	* This is actually for the QUOTA_FAKE_FILE --metze
5177	*/
5178
5179	/* We know this name is ok, it's already passed the checks. */
5180
5181	} else if(fsp->fh->fd == -1) {
5182	/*
5183	* This is actually a QFILEINFO on a directory
5184	* handle (returned from an NT SMB). NT5.0 seems
5185	* to do this call. JRA.
5186	*/
5187
5188	if (INFO_LEVEL_IS_UNIX(info_level)) {
5189	/* Always do lstat for UNIX calls. */
5190	if (SMB_VFS_LSTAT(conn, smb_fname)) {
5191	DEBUG(3,("call_trans2qfilepathinfo: "
5192	"SMB_VFS_LSTAT of %s failed "
5193	"(%s)\n",
5194	smb_fname_str_dbg(smb_fname),
5195	strerror(errno)));
5196	reply_nterror(req,
5197	map_nt_error_from_unix(errno));
5198	return;
5199	}
5200	} else if (SMB_VFS_STAT(conn, smb_fname)) {
5201	DEBUG(3,("call_trans2qfilepathinfo: "
5202	"SMB_VFS_STAT of %s failed (%s)\n",
5203	smb_fname_str_dbg(smb_fname),
5204	strerror(errno)));
5205	reply_nterror(req,
5206	map_nt_error_from_unix(errno));
5207	return;
5208	}
5209
5210	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5211	get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5212	} else {
5213	/*
5214	* Original code - this is an open file.
5215	*/
5216	if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
5217	DEBUG(3, ("fstat of fnum %d failed (%s)\n",
5218	fsp->fnum, strerror(errno)));
5219	reply_nterror(req,
5220	map_nt_error_from_unix(errno));
5221	return;
5222	}
5223	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5224	get_file_infos(fileid, fsp->name_hash, &delete_pending, &write_time_ts);
5225	}
5226
5227	} else {
5228	uint32_t name_hash;
5229	char *fname = NULL;
5230	uint32_t ucf_flags = 0;
5231
5232	/* qpathinfo */
5233	if (total_params < 7) {
5234	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5235	return;
5236	}
5237
5238	info_level = SVAL(params,0);
5239
5240	DEBUG(3,("call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = %d\n", info_level));
5241
5242	if (INFO_LEVEL_IS_UNIX(info_level)) {
5243	if (!lp_unix_extensions()) {
5244	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5245	return;
5246	}
5247	if (info_level == SMB_QUERY_FILE_UNIX_BASIC \|\|
5248	info_level == SMB_QUERY_FILE_UNIX_INFO2 \|\|
5249	info_level == SMB_QUERY_FILE_UNIX_LINK) {
5250	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
5251	}
5252	}
5253
5254	srvstr_get_path(req, params, req->flags2, &fname, &params[6],
5255	total_params - 6,
5256	STR_TERMINATE, &status);
5257	if (!NT_STATUS_IS_OK(status)) {
5258	reply_nterror(req, status);
5259	return;
5260	}
5261
5262	status = filename_convert(req,
5263	conn,
5264	req->flags2 & FLAGS2_DFS_PATHNAMES,
5265	fname,
5266	ucf_flags,
5267	NULL,
5268	&smb_fname);
5269	if (!NT_STATUS_IS_OK(status)) {
5270	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5271	reply_botherror(req,
5272	NT_STATUS_PATH_NOT_COVERED,
5273	ERRSRV, ERRbadpath);
5274	return;
5275	}
5276	reply_nterror(req, status);
5277	return;
5278	}
5279
5280	/* If this is a stream, check if there is a delete_pending. */
5281	if ((conn->fs_capabilities & FILE_NAMED_STREAMS)
5282	&& is_ntfs_stream_smb_fname(smb_fname)) {
5283	struct smb_filename *smb_fname_base = NULL;
5284
5285	/* Create an smb_filename with stream_name == NULL. */
5286	status =
5287	create_synthetic_smb_fname(talloc_tos(),
5288	smb_fname->base_name,
5289	NULL, NULL,
5290	&smb_fname_base);
5291	if (!NT_STATUS_IS_OK(status)) {
5292	reply_nterror(req, status);
5293	return;
5294	}
5295
5296	if (INFO_LEVEL_IS_UNIX(info_level)) {
5297	/* Always do lstat for UNIX calls. */
5298	if (SMB_VFS_LSTAT(conn, smb_fname_base) != 0) {
5299	DEBUG(3,("call_trans2qfilepathinfo: "
5300	"SMB_VFS_LSTAT of %s failed "
5301	"(%s)\n",
5302	smb_fname_str_dbg(smb_fname_base),
5303	strerror(errno)));
5304	TALLOC_FREE(smb_fname_base);
5305	reply_nterror(req,
5306	map_nt_error_from_unix(errno));
5307	return;
5308	}
5309	} else {
5310	if (SMB_VFS_STAT(conn, smb_fname_base) != 0) {
5311	DEBUG(3,("call_trans2qfilepathinfo: "
5312	"fileinfo of %s failed "
5313	"(%s)\n",
5314	smb_fname_str_dbg(smb_fname_base),
5315	strerror(errno)));
5316	TALLOC_FREE(smb_fname_base);
5317	reply_nterror(req,
5318	map_nt_error_from_unix(errno));
5319	return;
5320	}
5321	}
5322
5323	status = file_name_hash(conn,
5324	smb_fname_str_dbg(smb_fname_base),
5325	&name_hash);
5326	if (!NT_STATUS_IS_OK(status)) {
5327	TALLOC_FREE(smb_fname_base);
5328	reply_nterror(req, status);
5329	return;
5330	}
5331
5332	fileid = vfs_file_id_from_sbuf(conn,
5333	&smb_fname_base->st);
5334	TALLOC_FREE(smb_fname_base);
5335	get_file_infos(fileid, name_hash, &delete_pending, NULL);
5336	if (delete_pending) {
5337	reply_nterror(req, NT_STATUS_DELETE_PENDING);
5338	return;
5339	}
5340	}
5341
5342	if (INFO_LEVEL_IS_UNIX(info_level)) {
5343	/* Always do lstat for UNIX calls. */
5344	if (SMB_VFS_LSTAT(conn, smb_fname)) {
5345	DEBUG(3,("call_trans2qfilepathinfo: "
5346	"SMB_VFS_LSTAT of %s failed (%s)\n",
5347	smb_fname_str_dbg(smb_fname),
5348	strerror(errno)));
5349	reply_nterror(req,
5350	map_nt_error_from_unix(errno));
5351	return;
5352	}
5353
5354	} else {
5355	if (SMB_VFS_STAT(conn, smb_fname) != 0) {
5356	DEBUG(3,("call_trans2qfilepathinfo: "
5357	"SMB_VFS_STAT of %s failed (%s)\n",
5358	smb_fname_str_dbg(smb_fname),
5359	strerror(errno)));
5360	reply_nterror(req,
5361	map_nt_error_from_unix(errno));
5362	return;
5363	}
5364	}
5365
5366	status = file_name_hash(conn,
5367	smb_fname_str_dbg(smb_fname),
5368	&name_hash);
5369	if (!NT_STATUS_IS_OK(status)) {
5370	reply_nterror(req, status);
5371	return;
5372	}
5373
5374	fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
5375	get_file_infos(fileid, name_hash, &delete_pending, &write_time_ts);
5376	if (delete_pending) {
5377	reply_nterror(req, NT_STATUS_DELETE_PENDING);
5378	return;
5379	}
5380	}
5381
5382	DEBUG(3,("call_trans2qfilepathinfo %s (fnum = %d) level=%d call=%d "
5383	"total_data=%d\n", smb_fname_str_dbg(smb_fname),
5384	fsp ? fsp->fnum : -1, info_level,tran_call,total_data));
5385
5386	/* Pull out any data sent here before we realloc. */
5387	switch (info_level) {
5388	case SMB_INFO_QUERY_EAS_FROM_LIST:
5389	{
5390	/* Pull any EA list from the data portion. */
5391	uint32 ea_size;
5392
5393	if (total_data < 4) {
5394	reply_nterror(
5395	req, NT_STATUS_INVALID_PARAMETER);
5396	return;
5397	}
5398	ea_size = IVAL(pdata,0);
5399
5400	if (total_data > 0 && ea_size != total_data) {
5401	DEBUG(4,("call_trans2qfilepathinfo: Rejecting EA request with incorrect \
5402	total_data=%u (should be %u)\n", (unsigned int)total_data, (unsigned int)IVAL(pdata,0) ));
5403	reply_nterror(
5404	req, NT_STATUS_INVALID_PARAMETER);
5405	return;
5406	}
5407
5408	if (!lp_ea_support(SNUM(conn))) {
5409	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
5410	return;
5411	}
5412
5413	/* Pull out the list of names. */
5414	ea_list = read_ea_name_list(req, pdata + 4, ea_size - 4);
5415	if (!ea_list) {
5416	reply_nterror(
5417	req, NT_STATUS_INVALID_PARAMETER);
5418	return;
5419	}
5420	break;
5421	}
5422
5423	case SMB_QUERY_POSIX_LOCK:
5424	{
5425	if (fsp == NULL \|\| fsp->fh->fd == -1) {
5426	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
5427	return;
5428	}
5429
5430	if (total_data != POSIX_LOCK_DATA_SIZE) {
5431	reply_nterror(
5432	req, NT_STATUS_INVALID_PARAMETER);
5433	return;
5434	}
5435
5436	/* Copy the lock range data. */
5437	lock_data = (char *)TALLOC_MEMDUP(
5438	req, pdata, total_data);
5439	if (!lock_data) {
5440	reply_nterror(req, NT_STATUS_NO_MEMORY);
5441	return;
5442	}
5443	lock_data_count = total_data;
5444	}
5445	default:
5446	break;
5447	}
5448
5449	pparams = (char )SMB_REALLOC(*pparams,2);
5450	if (*pparams == NULL) {
5451	reply_nterror(req, NT_STATUS_NO_MEMORY);
5452	return;
5453	}
5454	params = *pparams;
5455	SSVAL(params,0,0);
5456
5457	/*
5458	* draft-leach-cifs-v1-spec-02.txt
5459	* 4.2.14 TRANS2_QUERY_PATH_INFORMATION: Get File Attributes given Path
5460	* says:
5461	*
5462	* The requested information is placed in the Data portion of the
5463	* transaction response. For the information levels greater than 0x100,
5464	* the transaction response has 1 parameter word which should be
5465	* ignored by the client.
5466	*
5467	* However Windows only follows this rule for the IS_NAME_VALID call.
5468	*/
5469	switch (info_level) {
5470	case SMB_INFO_IS_NAME_VALID:
5471	param_size = 0;
5472	break;
5473	}
5474
5475	if ((info_level & 0xFF00) == 0xFF00) {
5476	/*
5477	* We use levels that start with 0xFF00
5478	* internally to represent SMB2 specific levels
5479	*/
5480	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
5481	return;
5482	}
5483
5484	status = smbd_do_qfilepathinfo(conn, req, info_level,
5485	fsp, smb_fname,
5486	delete_pending, write_time_ts,
5487	ea_list,
5488	lock_data_count, lock_data,
5489	req->flags2, max_data_bytes,
5490	&fixed_portion,
5491	ppdata, &data_size);
5492	if (!NT_STATUS_IS_OK(status)) {
5493	reply_nterror(req, status);
5494	return;
5495	}
5496	if (fixed_portion > max_data_bytes) {
5497	reply_nterror(req, NT_STATUS_INFO_LENGTH_MISMATCH);
5498	return;
5499	}
5500
5501	send_trans2_replies(conn, req, params, param_size, *ppdata, data_size,
5502	max_data_bytes);
5503
5504	return;
5505	}
5506
5507	/****************************************************************************
5508	Set a hard link (called by UNIX extensions and by NT rename with HARD link
5509	code.
5510	****************************************************************************/
5511
5512	NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
5513	connection_struct *conn,
5514	struct smb_request *req,
5515	bool overwrite_if_exists,
5516	const struct smb_filename *smb_fname_old,
5517	struct smb_filename *smb_fname_new)
5518	{
5519	NTSTATUS status = NT_STATUS_OK;
5520
5521	/* source must already exist. */
5522	if (!VALID_STAT(smb_fname_old->st)) {
5523	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5524	}
5525
5526	if (VALID_STAT(smb_fname_new->st)) {
5527	if (overwrite_if_exists) {
5528	if (S_ISDIR(smb_fname_new->st.st_ex_mode)) {
5529	return NT_STATUS_FILE_IS_A_DIRECTORY;
5530	}
5531	status = unlink_internals(conn,
5532	req,
5533	FILE_ATTRIBUTE_NORMAL,
5534	smb_fname_new,
5535	false);
5536	if (!NT_STATUS_IS_OK(status)) {
5537	return status;
5538	}
5539	} else {
5540	/* Disallow if newname already exists. */
5541	return NT_STATUS_OBJECT_NAME_COLLISION;
5542	}
5543	}
5544
5545	/* No links from a directory. */
5546	if (S_ISDIR(smb_fname_old->st.st_ex_mode)) {
5547	return NT_STATUS_FILE_IS_A_DIRECTORY;
5548	}
5549
5550	/* Setting a hardlink to/from a stream isn't currently supported. */
5551	if (is_ntfs_stream_smb_fname(smb_fname_old) \|\|
5552	is_ntfs_stream_smb_fname(smb_fname_new)) {
5553	return NT_STATUS_INVALID_PARAMETER;
5554	}
5555
5556	DEBUG(10,("hardlink_internals: doing hard link %s -> %s\n",
5557	smb_fname_old->base_name, smb_fname_new->base_name));
5558
5559	if (SMB_VFS_LINK(conn, smb_fname_old->base_name,
5560	smb_fname_new->base_name) != 0) {
5561	status = map_nt_error_from_unix(errno);
5562	DEBUG(3,("hardlink_internals: Error %s hard link %s -> %s\n",
5563	nt_errstr(status), smb_fname_old->base_name,
5564	smb_fname_new->base_name));
5565	}
5566	return status;
5567	}
5568
5569	/****************************************************************************
5570	Deal with setting the time from any of the setfilepathinfo functions.
5571	****************************************************************************/
5572
5573	NTSTATUS smb_set_file_time(connection_struct *conn,
5574	files_struct *fsp,
5575	const struct smb_filename *smb_fname,
5576	struct smb_file_time *ft,
5577	bool setting_write_time)
5578	{
5579	struct smb_filename smb_fname_base;
5580	uint32 action =
5581	FILE_NOTIFY_CHANGE_LAST_ACCESS
5582	\|FILE_NOTIFY_CHANGE_LAST_WRITE
5583	\|FILE_NOTIFY_CHANGE_CREATION;
5584
5585	if (!VALID_STAT(smb_fname->st)) {
5586	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5587	}
5588
5589	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
5590	return NT_STATUS_ACCESS_DENIED;
5591	}
5592
5593	/* get some defaults (no modifications) if any info is zero or -1. */
5594	if (null_timespec(ft->create_time)) {
5595	action &= ~FILE_NOTIFY_CHANGE_CREATION;
5596	}
5597
5598	if (null_timespec(ft->atime)) {
5599	action &= ~FILE_NOTIFY_CHANGE_LAST_ACCESS;
5600	}
5601
5602	if (null_timespec(ft->mtime)) {
5603	action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5604	}
5605
5606	if (!setting_write_time) {
5607	/* ft->mtime comes from change time, not write time. */
5608	action &= ~FILE_NOTIFY_CHANGE_LAST_WRITE;
5609	}
5610
5611	/* Ensure the resolution is the correct for
5612	* what we can store on this filesystem. */
5613
5614	round_timespec(conn->ts_res, &ft->create_time);
5615	round_timespec(conn->ts_res, &ft->ctime);
5616	round_timespec(conn->ts_res, &ft->atime);
5617	round_timespec(conn->ts_res, &ft->mtime);
5618
5619	DEBUG(5,("smb_set_filetime: actime: %s\n ",
5620	time_to_asc(convert_timespec_to_time_t(ft->atime))));
5621	DEBUG(5,("smb_set_filetime: modtime: %s\n ",
5622	time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5623	DEBUG(5,("smb_set_filetime: ctime: %s\n ",
5624	time_to_asc(convert_timespec_to_time_t(ft->ctime))));
5625	DEBUG(5,("smb_set_file_time: createtime: %s\n ",
5626	time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5627
5628	if (setting_write_time) {
5629	/*
5630	* This was a Windows setfileinfo on an open file.
5631	* NT does this a lot. We also need to
5632	* set the time here, as it can be read by
5633	* FindFirst/FindNext and with the patch for bug #2045
5634	* in smbd/fileio.c it ensures that this timestamp is
5635	* kept sticky even after a write. We save the request
5636	* away and will set it on file close and after a write. JRA.
5637	*/
5638
5639	DEBUG(10,("smb_set_file_time: setting pending modtime to %s\n",
5640	time_to_asc(convert_timespec_to_time_t(ft->mtime))));
5641
5642	if (fsp != NULL) {
5643	if (fsp->base_fsp) {
5644	set_sticky_write_time_fsp(fsp->base_fsp,
5645	ft->mtime);
5646	} else {
5647	set_sticky_write_time_fsp(fsp, ft->mtime);
5648	}
5649	} else {
5650	set_sticky_write_time_path(
5651	vfs_file_id_from_sbuf(conn, &smb_fname->st),
5652	ft->mtime);
5653	}
5654	}
5655
5656	DEBUG(10,("smb_set_file_time: setting utimes to modified values.\n"));
5657
5658	/* Always call ntimes on the base, even if a stream was passed in. */
5659	smb_fname_base = *smb_fname;
5660	smb_fname_base.stream_name = NULL;
5661
5662	if(file_ntimes(conn, &smb_fname_base, ft)!=0) {
5663	return map_nt_error_from_unix(errno);
5664	}
5665
5666	notify_fname(conn, NOTIFY_ACTION_MODIFIED, action,
5667	smb_fname->base_name);
5668	return NT_STATUS_OK;
5669	}
5670
5671	/****************************************************************************
5672	Deal with setting the dosmode from any of the setfilepathinfo functions.
5673	****************************************************************************/
5674
5675	static NTSTATUS smb_set_file_dosmode(connection_struct *conn,
5676	const struct smb_filename *smb_fname,
5677	uint32 dosmode)
5678	{
5679	struct smb_filename *smb_fname_base = NULL;
5680	NTSTATUS status;
5681
5682	if (!VALID_STAT(smb_fname->st)) {
5683	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5684	}
5685
5686	/* Always operate on the base_name, even if a stream was passed in. */
5687	status = create_synthetic_smb_fname(talloc_tos(), smb_fname->base_name,
5688	NULL, &smb_fname->st,
5689	&smb_fname_base);
5690	if (!NT_STATUS_IS_OK(status)) {
5691	return status;
5692	}
5693
5694	if (dosmode) {
5695	if (S_ISDIR(smb_fname_base->st.st_ex_mode)) {
5696	dosmode \|= FILE_ATTRIBUTE_DIRECTORY;
5697	} else {
5698	dosmode &= ~FILE_ATTRIBUTE_DIRECTORY;
5699	}
5700	}
5701
5702	DEBUG(6,("smb_set_file_dosmode: dosmode: 0x%x\n", (unsigned int)dosmode));
5703
5704	/* check the mode isn't different, before changing it */
5705	if ((dosmode != 0) && (dosmode != dos_mode(conn, smb_fname_base))) {
5706	DEBUG(10,("smb_set_file_dosmode: file %s : setting dos mode "
5707	"0x%x\n", smb_fname_str_dbg(smb_fname_base),
5708	(unsigned int)dosmode));
5709
5710	if(file_set_dosmode(conn, smb_fname_base, dosmode, NULL,
5711	false)) {
5712	DEBUG(2,("smb_set_file_dosmode: file_set_dosmode of "
5713	"%s failed (%s)\n",
5714	smb_fname_str_dbg(smb_fname_base),
5715	strerror(errno)));
5716	status = map_nt_error_from_unix(errno);
5717	goto out;
5718	}
5719	}
5720	status = NT_STATUS_OK;
5721	out:
5722	TALLOC_FREE(smb_fname_base);
5723	return status;
5724	}
5725
5726	/****************************************************************************
5727	Deal with setting the size from any of the setfilepathinfo functions.
5728	****************************************************************************/
5729
5730	static NTSTATUS smb_set_file_size(connection_struct *conn,
5731	struct smb_request *req,
5732	files_struct *fsp,
5733	const struct smb_filename *smb_fname,
5734	const SMB_STRUCT_STAT *psbuf,
5735	SMB_OFF_T size,
5736	bool fail_after_createfile)
5737	{
5738	NTSTATUS status = NT_STATUS_OK;
5739	struct smb_filename *smb_fname_tmp = NULL;
5740	files_struct *new_fsp = NULL;
5741
5742	if (!VALID_STAT(*psbuf)) {
5743	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5744	}
5745
5746	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
5747	return NT_STATUS_ACCESS_DENIED;
5748	}
5749
5750	DEBUG(6,("smb_set_file_size: size: %.0f ", (double)size));
5751
5752	if (size == get_file_size_stat(psbuf)) {
5753	return NT_STATUS_OK;
5754	}
5755
5756	DEBUG(10,("smb_set_file_size: file %s : setting new size to %.0f\n",
5757	smb_fname_str_dbg(smb_fname), (double)size));
5758
5759	if (fsp && fsp->fh->fd != -1) {
5760	/* Handle based call. */
5761	if (vfs_set_filelen(fsp, size) == -1) {
5762	return map_nt_error_from_unix(errno);
5763	}
5764	trigger_write_time_update_immediate(fsp);
5765	return NT_STATUS_OK;
5766	}
5767
5768	status = copy_smb_filename(talloc_tos(), smb_fname, &smb_fname_tmp);
5769	if (!NT_STATUS_IS_OK(status)) {
5770	return status;
5771	}
5772
5773	smb_fname_tmp->st = *psbuf;
5774
5775	status = SMB_VFS_CREATE_FILE(
5776	conn, /* conn */
5777	req, /* req */
5778	0, /* root_dir_fid */
5779	smb_fname_tmp, /* fname */
5780	FILE_WRITE_DATA, /* access_mask */
5781	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
5782	FILE_SHARE_DELETE),
5783	FILE_OPEN, /* create_disposition*/
5784	0, /* create_options */
5785	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
5786	FORCE_OPLOCK_BREAK_TO_NONE, /* oplock_request */
5787	0, /* allocation_size */
5788	0, /* private_flags */
5789	NULL, /* sd */
5790	NULL, /* ea_list */
5791	&new_fsp, /* result */
5792	NULL); /* pinfo */
5793
5794	TALLOC_FREE(smb_fname_tmp);
5795
5796	if (!NT_STATUS_IS_OK(status)) {
5797	/* NB. We check for open_was_deferred in the caller. */
5798	return status;
5799	}
5800
5801	/* See RAW-SFILEINFO-END-OF-FILE */
5802	if (fail_after_createfile) {
5803	close_file(req, new_fsp,NORMAL_CLOSE);
5804	return NT_STATUS_INVALID_LEVEL;
5805	}
5806
5807	if (vfs_set_filelen(new_fsp, size) == -1) {
5808	status = map_nt_error_from_unix(errno);
5809	close_file(req, new_fsp,NORMAL_CLOSE);
5810	return status;
5811	}
5812
5813	trigger_write_time_update_immediate(new_fsp);
5814	close_file(req, new_fsp,NORMAL_CLOSE);
5815	return NT_STATUS_OK;
5816	}
5817
5818	/****************************************************************************
5819	Deal with SMB_INFO_SET_EA.
5820	****************************************************************************/
5821
5822	static NTSTATUS smb_info_set_ea(connection_struct *conn,
5823	const char *pdata,
5824	int total_data,
5825	files_struct *fsp,
5826	const struct smb_filename *smb_fname)
5827	{
5828	struct ea_list *ea_list = NULL;
5829	TALLOC_CTX *ctx = NULL;
5830	NTSTATUS status = NT_STATUS_OK;
5831
5832	if (total_data < 10) {
5833
5834	/* OS/2 workplace shell seems to send SET_EA requests of "null"
5835	length. They seem to have no effect. Bug #3212. JRA */
5836
5837	if ((total_data == 4) && (IVAL(pdata,0) == 4)) {
5838	/* We're done. We only get EA info in this call. */
5839	return NT_STATUS_OK;
5840	}
5841
5842	return NT_STATUS_INVALID_PARAMETER;
5843	}
5844
5845	if (IVAL(pdata,0) > total_data) {
5846	DEBUG(10,("smb_info_set_ea: bad total data size (%u) > %u\n",
5847	IVAL(pdata,0), (unsigned int)total_data));
5848	return NT_STATUS_INVALID_PARAMETER;
5849	}
5850
5851	ctx = talloc_tos();
5852	ea_list = read_ea_list(ctx, pdata + 4, total_data - 4);
5853	if (!ea_list) {
5854	return NT_STATUS_INVALID_PARAMETER;
5855	}
5856
5857	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5858	return NT_STATUS_ACCESS_DENIED;
5859	}
5860
5861	status = set_ea(conn, fsp, smb_fname, ea_list);
5862
5863	return status;
5864	}
5865
5866	/****************************************************************************
5867	Deal with SMB_FILE_FULL_EA_INFORMATION set.
5868	****************************************************************************/
5869
5870	static NTSTATUS smb_set_file_full_ea_info(connection_struct *conn,
5871	const char *pdata,
5872	int total_data,
5873	files_struct *fsp)
5874	{
5875	struct ea_list *ea_list = NULL;
5876	NTSTATUS status;
5877
5878	if (!fsp) {
5879	return NT_STATUS_INVALID_HANDLE;
5880	}
5881
5882	if (!lp_ea_support(SNUM(conn))) {
5883	DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u but "
5884	"EA's not supported.\n",
5885	(unsigned int)total_data));
5886	return NT_STATUS_EAS_NOT_SUPPORTED;
5887	}
5888
5889	if (total_data < 10) {
5890	DEBUG(10, ("smb_set_file_full_ea_info - ea_len = %u "
5891	"too small.\n",
5892	(unsigned int)total_data));
5893	return NT_STATUS_INVALID_PARAMETER;
5894	}
5895
5896	ea_list = read_nttrans_ea_list(talloc_tos(),
5897	pdata,
5898	total_data);
5899
5900	if (!ea_list) {
5901	return NT_STATUS_INVALID_PARAMETER;
5902	}
5903
5904	if (fsp && !(fsp->access_mask & FILE_WRITE_EA)) {
5905	return NT_STATUS_ACCESS_DENIED;
5906	}
5907
5908	status = set_ea(conn, fsp, fsp->fsp_name, ea_list);
5909
5910	DEBUG(10, ("smb_set_file_full_ea_info on file %s returned %s\n",
5911	smb_fname_str_dbg(fsp->fsp_name),
5912	nt_errstr(status) ));
5913
5914	return status;
5915	}
5916
5917
5918	/****************************************************************************
5919	Deal with SMB_SET_FILE_DISPOSITION_INFO.
5920	****************************************************************************/
5921
5922	static NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
5923	const char *pdata,
5924	int total_data,
5925	files_struct *fsp,
5926	struct smb_filename *smb_fname)
5927	{
5928	NTSTATUS status = NT_STATUS_OK;
5929	bool delete_on_close;
5930	uint32 dosmode = 0;
5931
5932	if (total_data < 1) {
5933	return NT_STATUS_INVALID_PARAMETER;
5934	}
5935
5936	if (fsp == NULL) {
5937	return NT_STATUS_INVALID_HANDLE;
5938	}
5939
5940	delete_on_close = (CVAL(pdata,0) ? True : False);
5941	dosmode = dos_mode(conn, smb_fname);
5942
5943	DEBUG(10,("smb_set_file_disposition_info: file %s, dosmode = %u, "
5944	"delete_on_close = %u\n",
5945	smb_fname_str_dbg(smb_fname),
5946	(unsigned int)dosmode,
5947	(unsigned int)delete_on_close ));
5948
5949	if (delete_on_close) {
5950	status = can_set_delete_on_close(fsp, dosmode);
5951	if (!NT_STATUS_IS_OK(status)) {
5952	return status;
5953	}
5954	}
5955
5956	/* The set is across all open files on this dev/inode pair. */
5957	if (!set_delete_on_close(fsp, delete_on_close,
5958	conn->session_info->security_token,
5959	&conn->session_info->utok)) {
5960	return NT_STATUS_ACCESS_DENIED;
5961	}
5962	return NT_STATUS_OK;
5963	}
5964
5965	/****************************************************************************
5966	Deal with SMB_FILE_POSITION_INFORMATION.
5967	****************************************************************************/
5968
5969	static NTSTATUS smb_file_position_information(connection_struct *conn,
5970	const char *pdata,
5971	int total_data,
5972	files_struct *fsp)
5973	{
5974	uint64_t position_information;
5975
5976	if (total_data < 8) {
5977	return NT_STATUS_INVALID_PARAMETER;
5978	}
5979
5980	if (fsp == NULL) {
5981	/* Ignore on pathname based set. */
5982	return NT_STATUS_OK;
5983	}
5984
5985	position_information = (uint64_t)IVAL(pdata,0);
5986	#ifdef LARGE_SMB_OFF_T
5987	position_information \|= (((uint64_t)IVAL(pdata,4)) << 32);
5988	#else /* LARGE_SMB_OFF_T */
5989	if (IVAL(pdata,4) != 0) {
5990	/* more than 32 bits? */
5991	return NT_STATUS_INVALID_PARAMETER;
5992	}
5993	#endif /* LARGE_SMB_OFF_T */
5994
5995	DEBUG(10,("smb_file_position_information: Set file position "
5996	"information for file %s to %.0f\n", fsp_str_dbg(fsp),
5997	(double)position_information));
5998	fsp->fh->position_information = position_information;
5999	return NT_STATUS_OK;
6000	}
6001
6002	/****************************************************************************
6003	Deal with SMB_FILE_MODE_INFORMATION.
6004	****************************************************************************/
6005
6006	static NTSTATUS smb_file_mode_information(connection_struct *conn,
6007	const char *pdata,
6008	int total_data)
6009	{
6010	uint32 mode;
6011
6012	if (total_data < 4) {
6013	return NT_STATUS_INVALID_PARAMETER;
6014	}
6015	mode = IVAL(pdata,0);
6016	if (mode != 0 && mode != 2 && mode != 4 && mode != 6) {
6017	return NT_STATUS_INVALID_PARAMETER;
6018	}
6019	return NT_STATUS_OK;
6020	}
6021
6022	/****************************************************************************
6023	Deal with SMB_SET_FILE_UNIX_LINK (create a UNIX symlink).
6024	****************************************************************************/
6025
6026	static NTSTATUS smb_set_file_unix_link(connection_struct *conn,
6027	struct smb_request *req,
6028	const char *pdata,
6029	int total_data,
6030	const struct smb_filename *smb_fname)
6031	{
6032	char *link_target = NULL;
6033	const char *newname = smb_fname->base_name;
6034	TALLOC_CTX *ctx = talloc_tos();
6035
6036	/* Set a symbolic link. */
6037	/* Don't allow this if follow links is false. */
6038
6039	if (total_data == 0) {
6040	return NT_STATUS_INVALID_PARAMETER;
6041	}
6042
6043	if (!lp_symlinks(SNUM(conn))) {
6044	return NT_STATUS_ACCESS_DENIED;
6045	}
6046
6047	srvstr_pull_talloc(ctx, pdata, req->flags2, &link_target, pdata,
6048	total_data, STR_TERMINATE);
6049
6050	if (!link_target) {
6051	return NT_STATUS_INVALID_PARAMETER;
6052	}
6053
6054	DEBUG(10,("smb_set_file_unix_link: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
6055	newname, link_target ));
6056
6057	if (SMB_VFS_SYMLINK(conn,link_target,newname) != 0) {
6058	return map_nt_error_from_unix(errno);
6059	}
6060
6061	return NT_STATUS_OK;
6062	}
6063
6064	/****************************************************************************
6065	Deal with SMB_SET_FILE_UNIX_HLINK (create a UNIX hard link).
6066	****************************************************************************/
6067
6068	static NTSTATUS smb_set_file_unix_hlink(connection_struct *conn,
6069	struct smb_request *req,
6070	const char *pdata, int total_data,
6071	struct smb_filename *smb_fname_new)
6072	{
6073	char *oldname = NULL;
6074	struct smb_filename *smb_fname_old = NULL;
6075	TALLOC_CTX *ctx = talloc_tos();
6076	NTSTATUS status = NT_STATUS_OK;
6077
6078	/* Set a hard link. */
6079	if (total_data == 0) {
6080	return NT_STATUS_INVALID_PARAMETER;
6081	}
6082
6083	srvstr_get_path(ctx, pdata, req->flags2, &oldname, pdata,
6084	total_data, STR_TERMINATE, &status);
6085	if (!NT_STATUS_IS_OK(status)) {
6086	return status;
6087	}
6088
6089	DEBUG(10,("smb_set_file_unix_hlink: SMB_SET_FILE_UNIX_LINK doing hard link %s -> %s\n",
6090	smb_fname_str_dbg(smb_fname_new), oldname));
6091
6092	status = filename_convert(ctx,
6093	conn,
6094	req->flags2 & FLAGS2_DFS_PATHNAMES,
6095	oldname,
6096	0,
6097	NULL,
6098	&smb_fname_old);
6099	if (!NT_STATUS_IS_OK(status)) {
6100	return status;
6101	}
6102
6103	return hardlink_internals(ctx, conn, req, false,
6104	smb_fname_old, smb_fname_new);
6105	}
6106
6107	/****************************************************************************
6108	Deal with SMB2_FILE_RENAME_INFORMATION_INTERNAL
6109	****************************************************************************/
6110
6111	static NTSTATUS smb2_file_rename_information(connection_struct *conn,
6112	struct smb_request *req,
6113	const char *pdata,
6114	int total_data,
6115	files_struct *fsp,
6116	struct smb_filename *smb_fname_src)
6117	{
6118	bool overwrite;
6119	uint32_t len;
6120	char *newname = NULL;
6121	struct smb_filename *smb_fname_dst = NULL;
6122	NTSTATUS status = NT_STATUS_OK;
6123	TALLOC_CTX *ctx = talloc_tos();
6124
6125	if (!fsp) {
6126	return NT_STATUS_INVALID_HANDLE;
6127	}
6128
6129	if (total_data < 20) {
6130	return NT_STATUS_INVALID_PARAMETER;
6131	}
6132
6133	overwrite = (CVAL(pdata,0) ? True : False);
6134	len = IVAL(pdata,16);
6135
6136	if (len > (total_data - 20) \|\| (len == 0)) {
6137	return NT_STATUS_INVALID_PARAMETER;
6138	}
6139
6140	srvstr_get_path(ctx, pdata, req->flags2, &newname,
6141	&pdata[20], len, STR_TERMINATE,
6142	&status);
6143	if (!NT_STATUS_IS_OK(status)) {
6144	return status;
6145	}
6146
6147	DEBUG(10,("smb2_file_rename_information: got name \|%s\|\n",
6148	newname));
6149
6150	status = filename_convert(ctx,
6151	conn,
6152	req->flags2 & FLAGS2_DFS_PATHNAMES,
6153	newname,
6154	UCF_SAVE_LCOMP,
6155	NULL,
6156	&smb_fname_dst);
6157	if (!NT_STATUS_IS_OK(status)) {
6158	return status;
6159	}
6160
6161	if (fsp->base_fsp) {
6162	/* newname must be a stream name. */
6163	if (newname[0] != ':') {
6164	return NT_STATUS_NOT_SUPPORTED;
6165	}
6166
6167	/* Create an smb_fname to call rename_internals_fsp() with. */
6168	status = create_synthetic_smb_fname(talloc_tos(),
6169	fsp->base_fsp->fsp_name->base_name, newname, NULL,
6170	&smb_fname_dst);
6171	if (!NT_STATUS_IS_OK(status)) {
6172	goto out;
6173	}
6174
6175	/*
6176	* Set the original last component, since
6177	* rename_internals_fsp() requires it.
6178	*/
6179	smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6180	newname);
6181	if (smb_fname_dst->original_lcomp == NULL) {
6182	status = NT_STATUS_NO_MEMORY;
6183	goto out;
6184	}
6185
6186	}
6187
6188	DEBUG(10,("smb2_file_rename_information: "
6189	"SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6190	fsp->fnum, fsp_str_dbg(fsp),
6191	smb_fname_str_dbg(smb_fname_dst)));
6192	status = rename_internals_fsp(conn, fsp, smb_fname_dst,
6193	(FILE_ATTRIBUTE_HIDDEN\|FILE_ATTRIBUTE_SYSTEM),
6194	overwrite);
6195
6196	out:
6197	TALLOC_FREE(smb_fname_dst);
6198	return status;
6199	}
6200
6201	static NTSTATUS smb_file_link_information(connection_struct *conn,
6202	struct smb_request *req,
6203	const char *pdata,
6204	int total_data,
6205	files_struct *fsp,
6206	struct smb_filename *smb_fname_src)
6207	{
6208	bool overwrite;
6209	uint32_t len;
6210	char *newname = NULL;
6211	struct smb_filename *smb_fname_dst = NULL;
6212	NTSTATUS status = NT_STATUS_OK;
6213	TALLOC_CTX *ctx = talloc_tos();
6214
6215	if (!fsp) {
6216	return NT_STATUS_INVALID_HANDLE;
6217	}
6218
6219	if (total_data < 20) {
6220	return NT_STATUS_INVALID_PARAMETER;
6221	}
6222
6223	overwrite = (CVAL(pdata,0) ? true : false);
6224	len = IVAL(pdata,16);
6225
6226	if (len > (total_data - 20) \|\| (len == 0)) {
6227	return NT_STATUS_INVALID_PARAMETER;
6228	}
6229
6230	srvstr_get_path(ctx, pdata, req->flags2, &newname,
6231	&pdata[20], len, STR_TERMINATE,
6232	&status);
6233	if (!NT_STATUS_IS_OK(status)) {
6234	return status;
6235	}
6236
6237	DEBUG(10,("smb_file_link_information: got name \|%s\|\n",
6238	newname));
6239
6240	status = filename_convert(ctx,
6241	conn,
6242	req->flags2 & FLAGS2_DFS_PATHNAMES,
6243	newname,
6244	UCF_SAVE_LCOMP,
6245	NULL,
6246	&smb_fname_dst);
6247	if (!NT_STATUS_IS_OK(status)) {
6248	return status;
6249	}
6250
6251	if (fsp->base_fsp) {
6252	/* No stream names. */
6253	return NT_STATUS_NOT_SUPPORTED;
6254	}
6255
6256	DEBUG(10,("smb_file_link_information: "
6257	"SMB_FILE_LINK_INFORMATION (fnum %d) %s -> %s\n",
6258	fsp->fnum, fsp_str_dbg(fsp),
6259	smb_fname_str_dbg(smb_fname_dst)));
6260	status = hardlink_internals(ctx,
6261	conn,
6262	req,
6263	overwrite,
6264	fsp->fsp_name,
6265	smb_fname_dst);
6266
6267	TALLOC_FREE(smb_fname_dst);
6268	return status;
6269	}
6270
6271	/****************************************************************************
6272	Deal with SMB_FILE_RENAME_INFORMATION.
6273	****************************************************************************/
6274
6275	static NTSTATUS smb_file_rename_information(connection_struct *conn,
6276	struct smb_request *req,
6277	const char *pdata,
6278	int total_data,
6279	files_struct *fsp,
6280	struct smb_filename *smb_fname_src)
6281	{
6282	bool overwrite;
6283	uint32 root_fid;
6284	uint32 len;
6285	char *newname = NULL;
6286	struct smb_filename *smb_fname_dst = NULL;
6287	bool dest_has_wcard = False;
6288	NTSTATUS status = NT_STATUS_OK;
6289	char *p;
6290	TALLOC_CTX *ctx = talloc_tos();
6291
6292	if (total_data < 13) {
6293	return NT_STATUS_INVALID_PARAMETER;
6294	}
6295
6296	overwrite = (CVAL(pdata,0) ? True : False);
6297	root_fid = IVAL(pdata,4);
6298	len = IVAL(pdata,8);
6299
6300	if (len > (total_data - 12) \|\| (len == 0) \|\| (root_fid != 0)) {
6301	return NT_STATUS_INVALID_PARAMETER;
6302	}
6303
6304	srvstr_get_path_wcard(ctx, pdata, req->flags2, &newname, &pdata[12],
6305	len, 0, &status,
6306	&dest_has_wcard);
6307	if (!NT_STATUS_IS_OK(status)) {
6308	return status;
6309	}
6310
6311	DEBUG(10,("smb_file_rename_information: got name \|%s\|\n",
6312	newname));
6313
6314	status = resolve_dfspath_wcard(ctx, conn,
6315	req->flags2 & FLAGS2_DFS_PATHNAMES,
6316	newname,
6317	true,
6318	&newname,
6319	&dest_has_wcard);
6320	if (!NT_STATUS_IS_OK(status)) {
6321	return status;
6322	}
6323
6324	/* Check the new name has no '/' characters. */
6325	if (strchr_m(newname, '/')) {
6326	return NT_STATUS_NOT_SUPPORTED;
6327	}
6328
6329	if (fsp && fsp->base_fsp) {
6330	/* newname must be a stream name. */
6331	if (newname[0] != ':') {
6332	return NT_STATUS_NOT_SUPPORTED;
6333	}
6334
6335	/* Create an smb_fname to call rename_internals_fsp() with. */
6336	status = create_synthetic_smb_fname(talloc_tos(),
6337	fsp->base_fsp->fsp_name->base_name, newname, NULL,
6338	&smb_fname_dst);
6339	if (!NT_STATUS_IS_OK(status)) {
6340	goto out;
6341	}
6342
6343	/*
6344	* Set the original last component, since
6345	* rename_internals_fsp() requires it.
6346	*/
6347	smb_fname_dst->original_lcomp = talloc_strdup(smb_fname_dst,
6348	newname);
6349	if (smb_fname_dst->original_lcomp == NULL) {
6350	status = NT_STATUS_NO_MEMORY;
6351	goto out;
6352	}
6353
6354	} else {
6355	/*
6356	* Build up an smb_fname_dst based on the filename passed in.
6357	* We basically just strip off the last component, and put on
6358	* the newname instead.
6359	*/
6360	char *base_name = NULL;
6361
6362	/* newname must not be a stream name. */
6363	if (newname[0] == ':') {
6364	return NT_STATUS_NOT_SUPPORTED;
6365	}
6366
6367	/*
6368	* Strip off the last component (filename) of the path passed
6369	* in.
6370	*/
6371	base_name = talloc_strdup(ctx, smb_fname_src->base_name);
6372	if (!base_name) {
6373	return NT_STATUS_NO_MEMORY;
6374	}
6375	p = strrchr_m(base_name, '/');
6376	if (p) {
6377	p[1] = '\0';
6378	} else {
6379	base_name = talloc_strdup(ctx, "");
6380	if (!base_name) {
6381	return NT_STATUS_NO_MEMORY;
6382	}
6383	}
6384	/* Append the new name. */
6385	base_name = talloc_asprintf_append(base_name,
6386	"%s",
6387	newname);
6388	if (!base_name) {
6389	return NT_STATUS_NO_MEMORY;
6390	}
6391
6392	status = unix_convert(ctx, conn, base_name, &smb_fname_dst,
6393	(UCF_SAVE_LCOMP \|
6394	(dest_has_wcard ?
6395	UCF_ALWAYS_ALLOW_WCARD_LCOMP :
6396	0)));
6397
6398	/* If an error we expect this to be
6399	* NT_STATUS_OBJECT_PATH_NOT_FOUND */
6400
6401	if (!NT_STATUS_IS_OK(status)) {
6402	if(!NT_STATUS_EQUAL(NT_STATUS_OBJECT_PATH_NOT_FOUND,
6403	status)) {
6404	goto out;
6405	}
6406	/* Create an smb_fname to call rename_internals_fsp() */
6407	status = create_synthetic_smb_fname(ctx,
6408	base_name, NULL,
6409	NULL,
6410	&smb_fname_dst);
6411	if (!NT_STATUS_IS_OK(status)) {
6412	goto out;
6413	}
6414	}
6415	}
6416
6417	if (fsp) {
6418	DEBUG(10,("smb_file_rename_information: "
6419	"SMB_FILE_RENAME_INFORMATION (fnum %d) %s -> %s\n",
6420	fsp->fnum, fsp_str_dbg(fsp),
6421	smb_fname_str_dbg(smb_fname_dst)));
6422	status = rename_internals_fsp(conn, fsp, smb_fname_dst, 0,
6423	overwrite);
6424	} else {
6425	DEBUG(10,("smb_file_rename_information: "
6426	"SMB_FILE_RENAME_INFORMATION %s -> %s\n",
6427	smb_fname_str_dbg(smb_fname_src),
6428	smb_fname_str_dbg(smb_fname_dst)));
6429	status = rename_internals(ctx, conn, req, smb_fname_src,
6430	smb_fname_dst, 0, overwrite, false,
6431	dest_has_wcard,
6432	FILE_WRITE_ATTRIBUTES);
6433	}
6434	out:
6435	TALLOC_FREE(smb_fname_dst);
6436	return status;
6437	}
6438
6439	/****************************************************************************
6440	Deal with SMB_SET_POSIX_ACL.
6441	****************************************************************************/
6442
6443	#if defined(HAVE_POSIX_ACLS)
6444	static NTSTATUS smb_set_posix_acl(connection_struct *conn,
6445	const char *pdata,
6446	int total_data,
6447	files_struct *fsp,
6448	const struct smb_filename *smb_fname)
6449	{
6450	uint16 posix_acl_version;
6451	uint16 num_file_acls;
6452	uint16 num_def_acls;
6453	bool valid_file_acls = True;
6454	bool valid_def_acls = True;
6455
6456	if (total_data < SMB_POSIX_ACL_HEADER_SIZE) {
6457	return NT_STATUS_INVALID_PARAMETER;
6458	}
6459	posix_acl_version = SVAL(pdata,0);
6460	num_file_acls = SVAL(pdata,2);
6461	num_def_acls = SVAL(pdata,4);
6462
6463	if (num_file_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6464	valid_file_acls = False;
6465	num_file_acls = 0;
6466	}
6467
6468	if (num_def_acls == SMB_POSIX_IGNORE_ACE_ENTRIES) {
6469	valid_def_acls = False;
6470	num_def_acls = 0;
6471	}
6472
6473	if (posix_acl_version != SMB_POSIX_ACL_VERSION) {
6474	return NT_STATUS_INVALID_PARAMETER;
6475	}
6476
6477	if (total_data < SMB_POSIX_ACL_HEADER_SIZE +
6478	(num_file_acls+num_def_acls)*SMB_POSIX_ACL_ENTRY_SIZE) {
6479	return NT_STATUS_INVALID_PARAMETER;
6480	}
6481
6482	DEBUG(10,("smb_set_posix_acl: file %s num_file_acls = %u, num_def_acls = %u\n",
6483	smb_fname ? smb_fname_str_dbg(smb_fname) : fsp_str_dbg(fsp),
6484	(unsigned int)num_file_acls,
6485	(unsigned int)num_def_acls));
6486
6487	if (valid_file_acls && !set_unix_posix_acl(conn, fsp,
6488	smb_fname->base_name, num_file_acls,
6489	pdata + SMB_POSIX_ACL_HEADER_SIZE)) {
6490	return map_nt_error_from_unix(errno);
6491	}
6492
6493	if (valid_def_acls && !set_unix_posix_default_acl(conn,
6494	smb_fname->base_name, &smb_fname->st, num_def_acls,
6495	pdata + SMB_POSIX_ACL_HEADER_SIZE +
6496	(num_file_acls*SMB_POSIX_ACL_ENTRY_SIZE))) {
6497	return map_nt_error_from_unix(errno);
6498	}
6499	return NT_STATUS_OK;
6500	}
6501	#endif
6502
6503	/****************************************************************************
6504	Deal with SMB_SET_POSIX_LOCK.
6505	****************************************************************************/
6506
6507	static NTSTATUS smb_set_posix_lock(connection_struct *conn,
6508	struct smb_request *req,
6509	const char *pdata,
6510	int total_data,
6511	files_struct *fsp)
6512	{
6513	uint64_t count;
6514	uint64_t offset;
6515	uint64_t smblctx;
6516	bool blocking_lock = False;
6517	enum brl_type lock_type;
6518
6519	NTSTATUS status = NT_STATUS_OK;
6520
6521	if (fsp == NULL \|\| fsp->fh->fd == -1) {
6522	return NT_STATUS_INVALID_HANDLE;
6523	}
6524
6525	if (total_data != POSIX_LOCK_DATA_SIZE) {
6526	return NT_STATUS_INVALID_PARAMETER;
6527	}
6528
6529	switch (SVAL(pdata, POSIX_LOCK_TYPE_OFFSET)) {
6530	case POSIX_LOCK_TYPE_READ:
6531	lock_type = READ_LOCK;
6532	break;
6533	case POSIX_LOCK_TYPE_WRITE:
6534	/* Return the right POSIX-mappable error code for files opened read-only. */
6535	if (!fsp->can_write) {
6536	return NT_STATUS_INVALID_HANDLE;
6537	}
6538	lock_type = WRITE_LOCK;
6539	break;
6540	case POSIX_LOCK_TYPE_UNLOCK:
6541	lock_type = UNLOCK_LOCK;
6542	break;
6543	default:
6544	return NT_STATUS_INVALID_PARAMETER;
6545	}
6546
6547	if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_NOWAIT) {
6548	blocking_lock = False;
6549	} else if (SVAL(pdata,POSIX_LOCK_FLAGS_OFFSET) == POSIX_LOCK_FLAG_WAIT) {
6550	blocking_lock = True;
6551	} else {
6552	return NT_STATUS_INVALID_PARAMETER;
6553	}
6554
6555	if (!lp_blocking_locks(SNUM(conn))) {
6556	blocking_lock = False;
6557	}
6558
6559	smblctx = (uint64_t)IVAL(pdata, POSIX_LOCK_PID_OFFSET);
6560	#if defined(HAVE_LONGLONG)
6561	offset = (((uint64_t) IVAL(pdata,(POSIX_LOCK_START_OFFSET+4))) << 32) \|
6562	((uint64_t) IVAL(pdata,POSIX_LOCK_START_OFFSET));
6563	count = (((uint64_t) IVAL(pdata,(POSIX_LOCK_LEN_OFFSET+4))) << 32) \|
6564	((uint64_t) IVAL(pdata,POSIX_LOCK_LEN_OFFSET));
6565	#else /* HAVE_LONGLONG */
6566	offset = (uint64_t)IVAL(pdata,POSIX_LOCK_START_OFFSET);
6567	count = (uint64_t)IVAL(pdata,POSIX_LOCK_LEN_OFFSET);
6568	#endif /* HAVE_LONGLONG */
6569
6570	DEBUG(10,("smb_set_posix_lock: file %s, lock_type = %u,"
6571	"smblctx = %llu, count = %.0f, offset = %.0f\n",
6572	fsp_str_dbg(fsp),
6573	(unsigned int)lock_type,
6574	(unsigned long long)smblctx,
6575	(double)count,
6576	(double)offset ));
6577
6578	if (lock_type == UNLOCK_LOCK) {
6579	status = do_unlock(req->sconn->msg_ctx,
6580	fsp,
6581	smblctx,
6582	count,
6583	offset,
6584	POSIX_LOCK);
6585	} else {
6586	uint64_t block_smblctx;
6587
6588	struct byte_range_lock *br_lck = do_lock(req->sconn->msg_ctx,
6589	fsp,
6590	smblctx,
6591	count,
6592	offset,
6593	lock_type,
6594	POSIX_LOCK,
6595	blocking_lock,
6596	&status,
6597	&block_smblctx,
6598	NULL);
6599
6600	if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
6601	/*
6602	* A blocking lock was requested. Package up
6603	* this smb into a queued request and push it
6604	* onto the blocking lock queue.
6605	*/
6606	if(push_blocking_lock_request(br_lck,
6607	req,
6608	fsp,
6609	-1, /* infinite timeout. */
6610	0,
6611	smblctx,
6612	lock_type,
6613	POSIX_LOCK,
6614	offset,
6615	count,
6616	block_smblctx)) {
6617	TALLOC_FREE(br_lck);
6618	return status;
6619	}
6620	}
6621	TALLOC_FREE(br_lck);
6622	}
6623
6624	return status;
6625	}
6626
6627	/****************************************************************************
6628	Deal with SMB_SET_FILE_BASIC_INFO.
6629	****************************************************************************/
6630
6631	static NTSTATUS smb_set_file_basic_info(connection_struct *conn,
6632	const char *pdata,
6633	int total_data,
6634	files_struct *fsp,
6635	const struct smb_filename *smb_fname)
6636	{
6637	/* Patch to do this correctly from Paul Eggert <eggert@twinsun.com>. */
6638	struct smb_file_time ft;
6639	uint32 dosmode = 0;
6640	NTSTATUS status = NT_STATUS_OK;
6641
6642	ZERO_STRUCT(ft);
6643
6644	if (total_data < 36) {
6645	return NT_STATUS_INVALID_PARAMETER;
6646	}
6647
6648	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6649	return NT_STATUS_ACCESS_DENIED;
6650	}
6651
6652	/* Set the attributes */
6653	dosmode = IVAL(pdata,32);
6654	status = smb_set_file_dosmode(conn, smb_fname, dosmode);
6655	if (!NT_STATUS_IS_OK(status)) {
6656	return status;
6657	}
6658
6659	/* create time */
6660	ft.create_time = interpret_long_date(pdata);
6661
6662	/* access time */
6663	ft.atime = interpret_long_date(pdata+8);
6664
6665	/* write time. */
6666	ft.mtime = interpret_long_date(pdata+16);
6667
6668	/* change time. */
6669	ft.ctime = interpret_long_date(pdata+24);
6670
6671	DEBUG(10, ("smb_set_file_basic_info: file %s\n",
6672	smb_fname_str_dbg(smb_fname)));
6673
6674	return smb_set_file_time(conn, fsp, smb_fname, &ft,
6675	true);
6676	}
6677
6678	/****************************************************************************
6679	Deal with SMB_INFO_STANDARD.
6680	****************************************************************************/
6681
6682	static NTSTATUS smb_set_info_standard(connection_struct *conn,
6683	const char *pdata,
6684	int total_data,
6685	files_struct *fsp,
6686	const struct smb_filename *smb_fname)
6687	{
6688	struct smb_file_time ft;
6689
6690	ZERO_STRUCT(ft);
6691
6692	if (total_data < 12) {
6693	return NT_STATUS_INVALID_PARAMETER;
6694	}
6695
6696	if (fsp && !(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6697	return NT_STATUS_ACCESS_DENIED;
6698	}
6699
6700	/* create time */
6701	ft.create_time = convert_time_t_to_timespec(srv_make_unix_date2(pdata));
6702	/* access time */
6703	ft.atime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+4));
6704	/* write time */
6705	ft.mtime = convert_time_t_to_timespec(srv_make_unix_date2(pdata+8));
6706
6707	DEBUG(10,("smb_set_info_standard: file %s\n",
6708	smb_fname_str_dbg(smb_fname)));
6709
6710	return smb_set_file_time(conn,
6711	fsp,
6712	smb_fname,
6713	&ft,
6714	true);
6715	}
6716
6717	/****************************************************************************
6718	Deal with SMB_SET_FILE_ALLOCATION_INFO.
6719	****************************************************************************/
6720
6721	static NTSTATUS smb_set_file_allocation_info(connection_struct *conn,
6722	struct smb_request *req,
6723	const char *pdata,
6724	int total_data,
6725	files_struct *fsp,
6726	struct smb_filename *smb_fname)
6727	{
6728	uint64_t allocation_size = 0;
6729	NTSTATUS status = NT_STATUS_OK;
6730	files_struct *new_fsp = NULL;
6731
6732	if (!VALID_STAT(smb_fname->st)) {
6733	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6734	}
6735
6736	if (total_data < 8) {
6737	return NT_STATUS_INVALID_PARAMETER;
6738	}
6739
6740	allocation_size = (uint64_t)IVAL(pdata,0);
6741	#ifdef LARGE_SMB_OFF_T
6742	allocation_size \|= (((uint64_t)IVAL(pdata,4)) << 32);
6743	#else /* LARGE_SMB_OFF_T */
6744	if (IVAL(pdata,4) != 0) {
6745	/* more than 32 bits? */
6746	return NT_STATUS_INVALID_PARAMETER;
6747	}
6748	#endif /* LARGE_SMB_OFF_T */
6749
6750	DEBUG(10,("smb_set_file_allocation_info: Set file allocation info for "
6751	"file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6752	(double)allocation_size));
6753
6754	if (allocation_size) {
6755	allocation_size = smb_roundup(conn, allocation_size);
6756	}
6757
6758	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6759	return NT_STATUS_ACCESS_DENIED;
6760	}
6761
6762	DEBUG(10,("smb_set_file_allocation_info: file %s : setting new "
6763	"allocation size to %.0f\n", smb_fname_str_dbg(smb_fname),
6764	(double)allocation_size));
6765
6766	if (fsp && fsp->fh->fd != -1) {
6767	/* Open file handle. */
6768	/* Only change if needed. */
6769	if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6770	if (vfs_allocate_file_space(fsp, allocation_size) == -1) {
6771	return map_nt_error_from_unix(errno);
6772	}
6773	}
6774	/* But always update the time. */
6775	/*
6776	* This is equivalent to a write. Ensure it's seen immediately
6777	* if there are no pending writes.
6778	*/
6779	trigger_write_time_update_immediate(fsp);
6780	return NT_STATUS_OK;
6781	}
6782
6783	/* Pathname or stat or directory file. */
6784	status = SMB_VFS_CREATE_FILE(
6785	conn, /* conn */
6786	req, /* req */
6787	0, /* root_dir_fid */
6788	smb_fname, /* fname */
6789	FILE_WRITE_DATA, /* access_mask */
6790	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
6791	FILE_SHARE_DELETE),
6792	FILE_OPEN, /* create_disposition*/
6793	0, /* create_options */
6794	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
6795	FORCE_OPLOCK_BREAK_TO_NONE, /* oplock_request */
6796	0, /* allocation_size */
6797	0, /* private_flags */
6798	NULL, /* sd */
6799	NULL, /* ea_list */
6800	&new_fsp, /* result */
6801	NULL); /* pinfo */
6802
6803	if (!NT_STATUS_IS_OK(status)) {
6804	/* NB. We check for open_was_deferred in the caller. */
6805	return status;
6806	}
6807
6808	/* Only change if needed. */
6809	if (allocation_size != get_file_size_stat(&smb_fname->st)) {
6810	if (vfs_allocate_file_space(new_fsp, allocation_size) == -1) {
6811	status = map_nt_error_from_unix(errno);
6812	close_file(req, new_fsp, NORMAL_CLOSE);
6813	return status;
6814	}
6815	}
6816
6817	/* Changing the allocation size should set the last mod time. */
6818	/*
6819	* This is equivalent to a write. Ensure it's seen immediately
6820	* if there are no pending writes.
6821	*/
6822	trigger_write_time_update_immediate(new_fsp);
6823
6824	close_file(req, new_fsp, NORMAL_CLOSE);
6825	return NT_STATUS_OK;
6826	}
6827
6828	/****************************************************************************
6829	Deal with SMB_SET_FILE_END_OF_FILE_INFO.
6830	****************************************************************************/
6831
6832	static NTSTATUS smb_set_file_end_of_file_info(connection_struct *conn,
6833	struct smb_request *req,
6834	const char *pdata,
6835	int total_data,
6836	files_struct *fsp,
6837	const struct smb_filename *smb_fname,
6838	bool fail_after_createfile)
6839	{
6840	SMB_OFF_T size;
6841
6842	if (total_data < 8) {
6843	return NT_STATUS_INVALID_PARAMETER;
6844	}
6845
6846	size = IVAL(pdata,0);
6847	#ifdef LARGE_SMB_OFF_T
6848	size \|= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6849	#else /* LARGE_SMB_OFF_T */
6850	if (IVAL(pdata,4) != 0) {
6851	/* more than 32 bits? */
6852	return NT_STATUS_INVALID_PARAMETER;
6853	}
6854	#endif /* LARGE_SMB_OFF_T */
6855	DEBUG(10,("smb_set_file_end_of_file_info: Set end of file info for "
6856	"file %s to %.0f\n", smb_fname_str_dbg(smb_fname),
6857	(double)size));
6858
6859	if (fsp && !(fsp->access_mask & FILE_WRITE_DATA)) {
6860	return NT_STATUS_ACCESS_DENIED;
6861	}
6862
6863	return smb_set_file_size(conn, req,
6864	fsp,
6865	smb_fname,
6866	&smb_fname->st,
6867	size,
6868	fail_after_createfile);
6869	}
6870
6871	/****************************************************************************
6872	Allow a UNIX info mknod.
6873	****************************************************************************/
6874
6875	static NTSTATUS smb_unix_mknod(connection_struct *conn,
6876	const char *pdata,
6877	int total_data,
6878	const struct smb_filename *smb_fname)
6879	{
6880	uint32 file_type = IVAL(pdata,56);
6881	#if defined(HAVE_MAKEDEV)
6882	uint32 dev_major = IVAL(pdata,60);
6883	uint32 dev_minor = IVAL(pdata,68);
6884	#endif
6885	SMB_DEV_T dev = (SMB_DEV_T)0;
6886	uint32 raw_unixmode = IVAL(pdata,84);
6887	NTSTATUS status;
6888	mode_t unixmode;
6889
6890	if (total_data < 100) {
6891	return NT_STATUS_INVALID_PARAMETER;
6892	}
6893
6894	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
6895	PERM_NEW_FILE, &unixmode);
6896	if (!NT_STATUS_IS_OK(status)) {
6897	return status;
6898	}
6899
6900	#if defined(HAVE_MAKEDEV)
6901	dev = makedev(dev_major, dev_minor);
6902	#endif
6903
6904	switch (file_type) {
6905	#if defined(S_IFIFO)
6906	case UNIX_TYPE_FIFO:
6907	unixmode \|= S_IFIFO;
6908	break;
6909	#endif
6910	#if defined(S_IFSOCK)
6911	case UNIX_TYPE_SOCKET:
6912	unixmode \|= S_IFSOCK;
6913	break;
6914	#endif
6915	#if defined(S_IFCHR)
6916	case UNIX_TYPE_CHARDEV:
6917	unixmode \|= S_IFCHR;
6918	break;
6919	#endif
6920	#if defined(S_IFBLK)
6921	case UNIX_TYPE_BLKDEV:
6922	unixmode \|= S_IFBLK;
6923	break;
6924	#endif
6925	default:
6926	return NT_STATUS_INVALID_PARAMETER;
6927	}
6928
6929	DEBUG(10,("smb_unix_mknod: SMB_SET_FILE_UNIX_BASIC doing mknod dev "
6930	"%.0f mode 0%o for file %s\n", (double)dev,
6931	(unsigned int)unixmode, smb_fname_str_dbg(smb_fname)));
6932
6933	/* Ok - do the mknod. */
6934	if (SMB_VFS_MKNOD(conn, smb_fname->base_name, unixmode, dev) != 0) {
6935	return map_nt_error_from_unix(errno);
6936	}
6937
6938	/* If any of the other "set" calls fail we
6939	* don't want to end up with a half-constructed mknod.
6940	*/
6941
6942	if (lp_inherit_perms(SNUM(conn))) {
6943	char *parent;
6944	if (!parent_dirname(talloc_tos(), smb_fname->base_name,
6945	&parent, NULL)) {
6946	return NT_STATUS_NO_MEMORY;
6947	}
6948	inherit_access_posix_acl(conn, parent, smb_fname->base_name,
6949	unixmode);
6950	TALLOC_FREE(parent);
6951	}
6952
6953	return NT_STATUS_OK;
6954	}
6955
6956	/****************************************************************************
6957	Deal with SMB_SET_FILE_UNIX_BASIC.
6958	****************************************************************************/
6959
6960	static NTSTATUS smb_set_file_unix_basic(connection_struct *conn,
6961	struct smb_request *req,
6962	const char *pdata,
6963	int total_data,
6964	files_struct *fsp,
6965	const struct smb_filename *smb_fname)
6966	{
6967	struct smb_file_time ft;
6968	uint32 raw_unixmode;
6969	mode_t unixmode;
6970	SMB_OFF_T size = 0;
6971	uid_t set_owner = (uid_t)SMB_UID_NO_CHANGE;
6972	gid_t set_grp = (uid_t)SMB_GID_NO_CHANGE;
6973	NTSTATUS status = NT_STATUS_OK;
6974	bool delete_on_fail = False;
6975	enum perm_type ptype;
6976	files_struct *all_fsps = NULL;
6977	bool modify_mtime = true;
6978	struct file_id id;
6979	struct smb_filename *smb_fname_tmp = NULL;
6980	SMB_STRUCT_STAT sbuf;
6981
6982	ZERO_STRUCT(ft);
6983
6984	if (total_data < 100) {
6985	return NT_STATUS_INVALID_PARAMETER;
6986	}
6987
6988	if(IVAL(pdata, 0) != SMB_SIZE_NO_CHANGE_LO &&
6989	IVAL(pdata, 4) != SMB_SIZE_NO_CHANGE_HI) {
6990	size=IVAL(pdata,0); /* first 8 Bytes are size */
6991	#ifdef LARGE_SMB_OFF_T
6992	size \|= (((SMB_OFF_T)IVAL(pdata,4)) << 32);
6993	#else /* LARGE_SMB_OFF_T */
6994	if (IVAL(pdata,4) != 0) {
6995	/* more than 32 bits? */
6996	return NT_STATUS_INVALID_PARAMETER;
6997	}
6998	#endif /* LARGE_SMB_OFF_T */
6999	}
7000
7001	ft.atime = interpret_long_date(pdata+24); /* access_time */
7002	ft.mtime = interpret_long_date(pdata+32); /* modification_time */
7003	set_owner = (uid_t)IVAL(pdata,40);
7004	set_grp = (gid_t)IVAL(pdata,48);
7005	raw_unixmode = IVAL(pdata,84);
7006
7007	if (VALID_STAT(smb_fname->st)) {
7008	if (S_ISDIR(smb_fname->st.st_ex_mode)) {
7009	ptype = PERM_EXISTING_DIR;
7010	} else {
7011	ptype = PERM_EXISTING_FILE;
7012	}
7013	} else {
7014	ptype = PERM_NEW_FILE;
7015	}
7016
7017	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7018	ptype, &unixmode);
7019	if (!NT_STATUS_IS_OK(status)) {
7020	return status;
7021	}
7022
7023	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC: name = "
7024	"%s size = %.0f, uid = %u, gid = %u, raw perms = 0%o\n",
7025	smb_fname_str_dbg(smb_fname), (double)size,
7026	(unsigned int)set_owner, (unsigned int)set_grp,
7027	(int)raw_unixmode));
7028
7029	sbuf = smb_fname->st;
7030
7031	if (!VALID_STAT(sbuf)) {
7032	/*
7033	* The only valid use of this is to create character and block
7034	* devices, and named pipes. This is deprecated (IMHO) and
7035	* a new info level should be used for mknod. JRA.
7036	*/
7037
7038	status = smb_unix_mknod(conn,
7039	pdata,
7040	total_data,
7041	smb_fname);
7042	if (!NT_STATUS_IS_OK(status)) {
7043	return status;
7044	}
7045
7046	status = copy_smb_filename(talloc_tos(), smb_fname,
7047	&smb_fname_tmp);
7048	if (!NT_STATUS_IS_OK(status)) {
7049	return status;
7050	}
7051
7052	if (SMB_VFS_STAT(conn, smb_fname_tmp) != 0) {
7053	status = map_nt_error_from_unix(errno);
7054	TALLOC_FREE(smb_fname_tmp);
7055	SMB_VFS_UNLINK(conn, smb_fname);
7056	return status;
7057	}
7058
7059	sbuf = smb_fname_tmp->st;
7060	smb_fname = smb_fname_tmp;
7061
7062	/* Ensure we don't try and change anything else. */
7063	raw_unixmode = SMB_MODE_NO_CHANGE;
7064	size = get_file_size_stat(&sbuf);
7065	ft.atime = sbuf.st_ex_atime;
7066	ft.mtime = sbuf.st_ex_mtime;
7067	/*
7068	* We continue here as we might want to change the
7069	* owner uid/gid.
7070	*/
7071	delete_on_fail = True;
7072	}
7073
7074	#if 1
7075	/* Horrible backwards compatibility hack as an old server bug
7076	* allowed a CIFS client bug to remain unnoticed :-(. JRA.
7077	* */
7078
7079	if (!size) {
7080	size = get_file_size_stat(&sbuf);
7081	}
7082	#endif
7083
7084	/*
7085	* Deal with the UNIX specific mode set.
7086	*/
7087
7088	if (raw_unixmode != SMB_MODE_NO_CHANGE) {
7089	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
7090	"setting mode 0%o for file %s\n",
7091	(unsigned int)unixmode,
7092	smb_fname_str_dbg(smb_fname)));
7093	if (SMB_VFS_CHMOD(conn, smb_fname->base_name, unixmode) != 0) {
7094	return map_nt_error_from_unix(errno);
7095	}
7096	}
7097
7098	/*
7099	* Deal with the UNIX specific uid set.
7100	*/
7101
7102	if ((set_owner != (uid_t)SMB_UID_NO_CHANGE) &&
7103	(sbuf.st_ex_uid != set_owner)) {
7104	int ret;
7105
7106	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
7107	"changing owner %u for path %s\n",
7108	(unsigned int)set_owner,
7109	smb_fname_str_dbg(smb_fname)));
7110
7111	if (S_ISLNK(sbuf.st_ex_mode)) {
7112	ret = SMB_VFS_LCHOWN(conn, smb_fname->base_name,
7113	set_owner, (gid_t)-1);
7114	} else {
7115	ret = SMB_VFS_CHOWN(conn, smb_fname->base_name,
7116	set_owner, (gid_t)-1);
7117	}
7118
7119	if (ret != 0) {
7120	status = map_nt_error_from_unix(errno);
7121	if (delete_on_fail) {
7122	SMB_VFS_UNLINK(conn, smb_fname);
7123	}
7124	return status;
7125	}
7126	}
7127
7128	/*
7129	* Deal with the UNIX specific gid set.
7130	*/
7131
7132	if ((set_grp != (uid_t)SMB_GID_NO_CHANGE) &&
7133	(sbuf.st_ex_gid != set_grp)) {
7134	DEBUG(10,("smb_set_file_unix_basic: SMB_SET_FILE_UNIX_BASIC "
7135	"changing group %u for file %s\n",
7136	(unsigned int)set_owner,
7137	smb_fname_str_dbg(smb_fname)));
7138	if (SMB_VFS_CHOWN(conn, smb_fname->base_name, (uid_t)-1,
7139	set_grp) != 0) {
7140	status = map_nt_error_from_unix(errno);
7141	if (delete_on_fail) {
7142	SMB_VFS_UNLINK(conn, smb_fname);
7143	}
7144	return status;
7145	}
7146	}
7147
7148	/* Deal with any size changes. */
7149
7150	status = smb_set_file_size(conn, req,
7151	fsp,
7152	smb_fname,
7153	&sbuf,
7154	size,
7155	false);
7156	if (!NT_STATUS_IS_OK(status)) {
7157	return status;
7158	}
7159
7160	/* Deal with any time changes. */
7161	if (null_timespec(ft.mtime) && null_timespec(ft.atime)) {
7162	/* No change, don't cancel anything. */
7163	return status;
7164	}
7165
7166	id = vfs_file_id_from_sbuf(conn, &sbuf);
7167	for(all_fsps = file_find_di_first(conn->sconn, id); all_fsps;
7168	all_fsps = file_find_di_next(all_fsps)) {
7169	/*
7170	* We're setting the time explicitly for UNIX.
7171	* Cancel any pending changes over all handles.
7172	*/
7173	all_fsps->update_write_time_on_close = false;
7174	TALLOC_FREE(all_fsps->update_write_time_event);
7175	}
7176
7177	/*
7178	* Override the "setting_write_time"
7179	* parameter here as it almost does what
7180	* we need. Just remember if we modified
7181	* mtime and send the notify ourselves.
7182	*/
7183	if (null_timespec(ft.mtime)) {
7184	modify_mtime = false;
7185	}
7186
7187	status = smb_set_file_time(conn,
7188	fsp,
7189	smb_fname,
7190	&ft,
7191	false);
7192	if (modify_mtime) {
7193	notify_fname(conn, NOTIFY_ACTION_MODIFIED,
7194	FILE_NOTIFY_CHANGE_LAST_WRITE, smb_fname->base_name);
7195	}
7196	return status;
7197	}
7198
7199	/****************************************************************************
7200	Deal with SMB_SET_FILE_UNIX_INFO2.
7201	****************************************************************************/
7202
7203	static NTSTATUS smb_set_file_unix_info2(connection_struct *conn,
7204	struct smb_request *req,
7205	const char *pdata,
7206	int total_data,
7207	files_struct *fsp,
7208	const struct smb_filename *smb_fname)
7209	{
7210	NTSTATUS status;
7211	uint32 smb_fflags;
7212	uint32 smb_fmask;
7213
7214	if (total_data < 116) {
7215	return NT_STATUS_INVALID_PARAMETER;
7216	}
7217
7218	/* Start by setting all the fields that are common between UNIX_BASIC
7219	* and UNIX_INFO2.
7220	*/
7221	status = smb_set_file_unix_basic(conn, req, pdata, total_data,
7222	fsp, smb_fname);
7223	if (!NT_STATUS_IS_OK(status)) {
7224	return status;
7225	}
7226
7227	smb_fflags = IVAL(pdata, 108);
7228	smb_fmask = IVAL(pdata, 112);
7229
7230	/* NB: We should only attempt to alter the file flags if the client
7231	* sends a non-zero mask.
7232	*/
7233	if (smb_fmask != 0) {
7234	int stat_fflags = 0;
7235
7236	if (!map_info2_flags_to_sbuf(&smb_fname->st, smb_fflags,
7237	smb_fmask, &stat_fflags)) {
7238	/* Client asked to alter a flag we don't understand. */
7239	return NT_STATUS_INVALID_PARAMETER;
7240	}
7241
7242	if (fsp && fsp->fh->fd != -1) {
7243	/* XXX: we should be using SMB_VFS_FCHFLAGS here. */
7244	return NT_STATUS_NOT_SUPPORTED;
7245	} else {
7246	if (SMB_VFS_CHFLAGS(conn, smb_fname->base_name,
7247	stat_fflags) != 0) {
7248	return map_nt_error_from_unix(errno);
7249	}
7250	}
7251	}
7252
7253	/* XXX: need to add support for changing the create_time here. You
7254	* can do this for paths on Darwin with setattrlist(2). The right way
7255	* to hook this up is probably by extending the VFS utimes interface.
7256	*/
7257
7258	return NT_STATUS_OK;
7259	}
7260
7261	/****************************************************************************
7262	Create a directory with POSIX semantics.
7263	****************************************************************************/
7264
7265	static NTSTATUS smb_posix_mkdir(connection_struct *conn,
7266	struct smb_request *req,
7267	char **ppdata,
7268	int total_data,
7269	struct smb_filename *smb_fname,
7270	int *pdata_return_size)
7271	{
7272	NTSTATUS status = NT_STATUS_OK;
7273	uint32 raw_unixmode = 0;
7274	uint32 mod_unixmode = 0;
7275	mode_t unixmode = (mode_t)0;
7276	files_struct *fsp = NULL;
7277	uint16 info_level_return = 0;
7278	int info;
7279	char pdata = ppdata;
7280
7281	if (total_data < 18) {
7282	return NT_STATUS_INVALID_PARAMETER;
7283	}
7284
7285	raw_unixmode = IVAL(pdata,8);
7286	/* Next 4 bytes are not yet defined. */
7287
7288	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7289	PERM_NEW_DIR, &unixmode);
7290	if (!NT_STATUS_IS_OK(status)) {
7291	return status;
7292	}
7293
7294	mod_unixmode = (uint32)unixmode \| FILE_FLAG_POSIX_SEMANTICS;
7295
7296	DEBUG(10,("smb_posix_mkdir: file %s, mode 0%o\n",
7297	smb_fname_str_dbg(smb_fname), (unsigned int)unixmode));
7298
7299	status = SMB_VFS_CREATE_FILE(
7300	conn, /* conn */
7301	req, /* req */
7302	0, /* root_dir_fid */
7303	smb_fname, /* fname */
7304	FILE_READ_ATTRIBUTES, /* access_mask */
7305	FILE_SHARE_NONE, /* share_access */
7306	FILE_CREATE, /* create_disposition*/
7307	FILE_DIRECTORY_FILE, /* create_options */
7308	mod_unixmode, /* file_attributes */
7309	0, /* oplock_request */
7310	0, /* allocation_size */
7311	0, /* private_flags */
7312	NULL, /* sd */
7313	NULL, /* ea_list */
7314	&fsp, /* result */
7315	&info); /* pinfo */
7316
7317	if (NT_STATUS_IS_OK(status)) {
7318	close_file(req, fsp, NORMAL_CLOSE);
7319	}
7320
7321	info_level_return = SVAL(pdata,16);
7322
7323	if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7324	*pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7325	} else if (info_level_return == SMB_QUERY_FILE_UNIX_INFO2) {
7326	*pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7327	} else {
7328	*pdata_return_size = 12;
7329	}
7330
7331	/* Realloc the data size */
7332	ppdata = (char )SMB_REALLOC(ppdata,pdata_return_size);
7333	if (*ppdata == NULL) {
7334	*pdata_return_size = 0;
7335	return NT_STATUS_NO_MEMORY;
7336	}
7337	pdata = *ppdata;
7338
7339	SSVAL(pdata,0,NO_OPLOCK_RETURN);
7340	SSVAL(pdata,2,0); /* No fnum. */
7341	SIVAL(pdata,4,info); /* Was directory created. */
7342
7343	switch (info_level_return) {
7344	case SMB_QUERY_FILE_UNIX_BASIC:
7345	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7346	SSVAL(pdata,10,0); /* Padding. */
7347	store_file_unix_basic(conn, pdata + 12, fsp,
7348	&smb_fname->st);
7349	break;
7350	case SMB_QUERY_FILE_UNIX_INFO2:
7351	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7352	SSVAL(pdata,10,0); /* Padding. */
7353	store_file_unix_basic_info2(conn, pdata + 12, fsp,
7354	&smb_fname->st);
7355	break;
7356	default:
7357	SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7358	SSVAL(pdata,10,0); /* Padding. */
7359	break;
7360	}
7361
7362	return status;
7363	}
7364
7365	/****************************************************************************
7366	Open/Create a file with POSIX semantics.
7367	****************************************************************************/
7368
7369	#define SMB_O_RDONLY_MAPPING (FILE_READ_DATA\|FILE_READ_ATTRIBUTES\|FILE_READ_EA)
7370	#define SMB_O_WRONLY_MAPPING (FILE_WRITE_DATA\|FILE_WRITE_ATTRIBUTES\|FILE_WRITE_EA)
7371
7372	static NTSTATUS smb_posix_open(connection_struct *conn,
7373	struct smb_request *req,
7374	char **ppdata,
7375	int total_data,
7376	struct smb_filename *smb_fname,
7377	int *pdata_return_size)
7378	{
7379	bool extended_oplock_granted = False;
7380	char pdata = ppdata;
7381	uint32 flags = 0;
7382	uint32 wire_open_mode = 0;
7383	uint32 raw_unixmode = 0;
7384	uint32 mod_unixmode = 0;
7385	uint32 create_disp = 0;
7386	uint32 access_mask = 0;
7387	uint32 create_options = FILE_NON_DIRECTORY_FILE;
7388	NTSTATUS status = NT_STATUS_OK;
7389	mode_t unixmode = (mode_t)0;
7390	files_struct *fsp = NULL;
7391	int oplock_request = 0;
7392	int info = 0;
7393	uint16 info_level_return = 0;
7394
7395	if (total_data < 18) {
7396	return NT_STATUS_INVALID_PARAMETER;
7397	}
7398
7399	flags = IVAL(pdata,0);
7400	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
7401	if (oplock_request) {
7402	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
7403	}
7404
7405	wire_open_mode = IVAL(pdata,4);
7406
7407	if (wire_open_mode == (SMB_O_CREAT\|SMB_O_DIRECTORY)) {
7408	return smb_posix_mkdir(conn, req,
7409	ppdata,
7410	total_data,
7411	smb_fname,
7412	pdata_return_size);
7413	}
7414
7415	switch (wire_open_mode & SMB_ACCMODE) {
7416	case SMB_O_RDONLY:
7417	access_mask = SMB_O_RDONLY_MAPPING;
7418	break;
7419	case SMB_O_WRONLY:
7420	access_mask = SMB_O_WRONLY_MAPPING;
7421	break;
7422	case SMB_O_RDWR:
7423	access_mask = (SMB_O_RDONLY_MAPPING\|
7424	SMB_O_WRONLY_MAPPING);
7425	break;
7426	default:
7427	DEBUG(5,("smb_posix_open: invalid open mode 0x%x\n",
7428	(unsigned int)wire_open_mode ));
7429	return NT_STATUS_INVALID_PARAMETER;
7430	}
7431
7432	wire_open_mode &= ~SMB_ACCMODE;
7433
7434	/* First take care of O_CREAT\|O_EXCL interactions. */
7435	switch (wire_open_mode & (SMB_O_CREAT \| SMB_O_EXCL)) {
7436	case (SMB_O_CREAT \| SMB_O_EXCL):
7437	/* File exists fail. File not exist create. */
7438	create_disp = FILE_CREATE;
7439	break;
7440	case SMB_O_CREAT:
7441	/* File exists open. File not exist create. */
7442	create_disp = FILE_OPEN_IF;
7443	break;
7444	case SMB_O_EXCL:
7445	/* O_EXCL on its own without O_CREAT is undefined.
7446	We deliberately ignore it as some versions of
7447	Linux CIFSFS can send a bare O_EXCL on the
7448	wire which other filesystems in the kernel
7449	ignore. See bug 9519 for details. */
7450
7451	/* Fallthrough. */
7452
7453	case 0:
7454	/* File exists open. File not exist fail. */
7455	create_disp = FILE_OPEN;
7456	break;
7457	default:
7458	DEBUG(5,("smb_posix_open: invalid create mode 0x%x\n",
7459	(unsigned int)wire_open_mode ));
7460	return NT_STATUS_INVALID_PARAMETER;
7461	}
7462
7463	/* Next factor in the effects of O_TRUNC. */
7464	wire_open_mode &= ~(SMB_O_CREAT \| SMB_O_EXCL);
7465
7466	if (wire_open_mode & SMB_O_TRUNC) {
7467	switch (create_disp) {
7468	case FILE_CREATE:
7469	/* (SMB_O_CREAT \| SMB_O_EXCL \| O_TRUNC) */
7470	/* Leave create_disp alone as
7471	(O_CREAT\|O_EXCL\|O_TRUNC) == (O_CREAT\|O_EXCL)
7472	*/
7473	/* File exists fail. File not exist create. */
7474	break;
7475	case FILE_OPEN_IF:
7476	/* SMB_O_CREAT \| SMB_O_TRUNC */
7477	/* File exists overwrite. File not exist create. */
7478	create_disp = FILE_OVERWRITE_IF;
7479	break;
7480	case FILE_OPEN:
7481	/* SMB_O_TRUNC */
7482	/* File exists overwrite. File not exist fail. */
7483	create_disp = FILE_OVERWRITE;
7484	break;
7485	default:
7486	/* Cannot get here. */
7487	smb_panic("smb_posix_open: logic error");
7488	return NT_STATUS_INVALID_PARAMETER;
7489	}
7490	}
7491
7492	raw_unixmode = IVAL(pdata,8);
7493	/* Next 4 bytes are not yet defined. */
7494
7495	status = unix_perms_from_wire(conn, &smb_fname->st, raw_unixmode,
7496	(VALID_STAT(smb_fname->st) ?
7497	PERM_EXISTING_FILE : PERM_NEW_FILE),
7498	&unixmode);
7499
7500	if (!NT_STATUS_IS_OK(status)) {
7501	return status;
7502	}
7503
7504	mod_unixmode = (uint32)unixmode \| FILE_FLAG_POSIX_SEMANTICS;
7505
7506	if (wire_open_mode & SMB_O_SYNC) {
7507	create_options \|= FILE_WRITE_THROUGH;
7508	}
7509	if (wire_open_mode & SMB_O_APPEND) {
7510	access_mask \|= FILE_APPEND_DATA;
7511	}
7512	if (wire_open_mode & SMB_O_DIRECT) {
7513	mod_unixmode \|= FILE_FLAG_NO_BUFFERING;
7514	}
7515
7516	if ((wire_open_mode & SMB_O_DIRECTORY) \|\|
7517	VALID_STAT_OF_DIR(smb_fname->st)) {
7518	if (access_mask != SMB_O_RDONLY_MAPPING) {
7519	return NT_STATUS_FILE_IS_A_DIRECTORY;
7520	}
7521	create_options &= ~FILE_NON_DIRECTORY_FILE;
7522	create_options \|= FILE_DIRECTORY_FILE;
7523	}
7524
7525	DEBUG(10,("smb_posix_open: file %s, smb_posix_flags = %u, mode 0%o\n",
7526	smb_fname_str_dbg(smb_fname),
7527	(unsigned int)wire_open_mode,
7528	(unsigned int)unixmode ));
7529
7530	status = SMB_VFS_CREATE_FILE(
7531	conn, /* conn */
7532	req, /* req */
7533	0, /* root_dir_fid */
7534	smb_fname, /* fname */
7535	access_mask, /* access_mask */
7536	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
7537	FILE_SHARE_DELETE),
7538	create_disp, /* create_disposition*/
7539	create_options, /* create_options */
7540	mod_unixmode, /* file_attributes */
7541	oplock_request, /* oplock_request */
7542	0, /* allocation_size */
7543	0, /* private_flags */
7544	NULL, /* sd */
7545	NULL, /* ea_list */
7546	&fsp, /* result */
7547	&info); /* pinfo */
7548
7549	if (!NT_STATUS_IS_OK(status)) {
7550	return status;
7551	}
7552
7553	if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
7554	extended_oplock_granted = True;
7555	}
7556
7557	if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
7558	extended_oplock_granted = True;
7559	}
7560
7561	info_level_return = SVAL(pdata,16);
7562
7563	/* Allocate the correct return size. */
7564
7565	if (info_level_return == SMB_QUERY_FILE_UNIX_BASIC) {
7566	*pdata_return_size = 12 + SMB_FILE_UNIX_BASIC_SIZE;
7567	} else if (info_level_return == SMB_QUERY_FILE_UNIX_INFO2) {
7568	*pdata_return_size = 12 + SMB_FILE_UNIX_INFO2_SIZE;
7569	} else {
7570	*pdata_return_size = 12;
7571	}
7572
7573	/* Realloc the data size */
7574	ppdata = (char )SMB_REALLOC(ppdata,pdata_return_size);
7575	if (*ppdata == NULL) {
7576	close_file(req, fsp, ERROR_CLOSE);
7577	*pdata_return_size = 0;
7578	return NT_STATUS_NO_MEMORY;
7579	}
7580	pdata = *ppdata;
7581
7582	if (extended_oplock_granted) {
7583	if (flags & REQUEST_BATCH_OPLOCK) {
7584	SSVAL(pdata,0, BATCH_OPLOCK_RETURN);
7585	} else {
7586	SSVAL(pdata,0, EXCLUSIVE_OPLOCK_RETURN);
7587	}
7588	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
7589	SSVAL(pdata,0, LEVEL_II_OPLOCK_RETURN);
7590	} else {
7591	SSVAL(pdata,0,NO_OPLOCK_RETURN);
7592	}
7593
7594	SSVAL(pdata,2,fsp->fnum);
7595	SIVAL(pdata,4,info); /* Was file created etc. */
7596
7597	switch (info_level_return) {
7598	case SMB_QUERY_FILE_UNIX_BASIC:
7599	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_BASIC);
7600	SSVAL(pdata,10,0); /* padding. */
7601	store_file_unix_basic(conn, pdata + 12, fsp,
7602	&smb_fname->st);
7603	break;
7604	case SMB_QUERY_FILE_UNIX_INFO2:
7605	SSVAL(pdata,8,SMB_QUERY_FILE_UNIX_INFO2);
7606	SSVAL(pdata,10,0); /* padding. */
7607	store_file_unix_basic_info2(conn, pdata + 12, fsp,
7608	&smb_fname->st);
7609	break;
7610	default:
7611	SSVAL(pdata,8,SMB_NO_INFO_LEVEL_RETURNED);
7612	SSVAL(pdata,10,0); /* padding. */
7613	break;
7614	}
7615	return NT_STATUS_OK;
7616	}
7617
7618	/****************************************************************************
7619	Delete a file with POSIX semantics.
7620	****************************************************************************/
7621
7622	static NTSTATUS smb_posix_unlink(connection_struct *conn,
7623	struct smb_request *req,
7624	const char *pdata,
7625	int total_data,
7626	struct smb_filename *smb_fname)
7627	{
7628	NTSTATUS status = NT_STATUS_OK;
7629	files_struct *fsp = NULL;
7630	uint16 flags = 0;
7631	char del = 1;
7632	int info = 0;
7633	int create_options = 0;
7634	int i;
7635	struct share_mode_lock *lck = NULL;
7636
7637	if (total_data < 2) {
7638	return NT_STATUS_INVALID_PARAMETER;
7639	}
7640
7641	flags = SVAL(pdata,0);
7642
7643	if (!VALID_STAT(smb_fname->st)) {
7644	return NT_STATUS_OBJECT_NAME_NOT_FOUND;
7645	}
7646
7647	if ((flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) &&
7648	!VALID_STAT_OF_DIR(smb_fname->st)) {
7649	return NT_STATUS_NOT_A_DIRECTORY;
7650	}
7651
7652	DEBUG(10,("smb_posix_unlink: %s %s\n",
7653	(flags == SMB_POSIX_UNLINK_DIRECTORY_TARGET) ? "directory" : "file",
7654	smb_fname_str_dbg(smb_fname)));
7655
7656	if (VALID_STAT_OF_DIR(smb_fname->st)) {
7657	create_options \|= FILE_DIRECTORY_FILE;
7658	}
7659
7660	status = SMB_VFS_CREATE_FILE(
7661	conn, /* conn */
7662	req, /* req */
7663	0, /* root_dir_fid */
7664	smb_fname, /* fname */
7665	DELETE_ACCESS, /* access_mask */
7666	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
7667	FILE_SHARE_DELETE),
7668	FILE_OPEN, /* create_disposition*/
7669	create_options, /* create_options */
7670	FILE_FLAG_POSIX_SEMANTICS\|0777, /* file_attributes */
7671	0, /* oplock_request */
7672	0, /* allocation_size */
7673	0, /* private_flags */
7674	NULL, /* sd */
7675	NULL, /* ea_list */
7676	&fsp, /* result */
7677	&info); /* pinfo */
7678
7679	if (!NT_STATUS_IS_OK(status)) {
7680	return status;
7681	}
7682
7683	/*
7684	* Don't lie to client. If we can't really delete due to
7685	* non-POSIX opens return SHARING_VIOLATION.
7686	*/
7687
7688	lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
7689	NULL);
7690	if (lck == NULL) {
7691	DEBUG(0, ("smb_posix_unlink: Could not get share mode "
7692	"lock for file %s\n", fsp_str_dbg(fsp)));
7693	close_file(req, fsp, NORMAL_CLOSE);
7694	return NT_STATUS_INVALID_PARAMETER;
7695	}
7696
7697	/*
7698	* See if others still have the file open. If this is the case, then
7699	* don't delete. If all opens are POSIX delete we can set the delete
7700	* on close disposition.
7701	*/
7702	for (i=0; i<lck->num_share_modes; i++) {
7703	struct share_mode_entry *e = &lck->share_modes[i];
7704	if (is_valid_share_mode_entry(e)) {
7705	if (e->flags & SHARE_MODE_FLAG_POSIX_OPEN) {
7706	continue;
7707	}
7708	/* Fail with sharing violation. */
7709	TALLOC_FREE(lck);
7710	close_file(req, fsp, NORMAL_CLOSE);
7711	return NT_STATUS_SHARING_VIOLATION;
7712	}
7713	}
7714
7715	/*
7716	* Set the delete on close.
7717	*/
7718	status = smb_set_file_disposition_info(conn,
7719	&del,
7720	1,
7721	fsp,
7722	smb_fname);
7723
7724	TALLOC_FREE(lck);
7725
7726	if (!NT_STATUS_IS_OK(status)) {
7727	close_file(req, fsp, NORMAL_CLOSE);
7728	return status;
7729	}
7730	return close_file(req, fsp, NORMAL_CLOSE);
7731	}
7732
7733	NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
7734	struct smb_request *req,
7735	TALLOC_CTX *mem_ctx,
7736	uint16_t info_level,
7737	files_struct *fsp,
7738	struct smb_filename *smb_fname,
7739	char **ppdata, int total_data,
7740	int *ret_data_size)
7741	{
7742	char pdata = ppdata;
7743	NTSTATUS status = NT_STATUS_OK;
7744	int data_return_size = 0;
7745
7746	*ret_data_size = 0;
7747
7748	if (INFO_LEVEL_IS_UNIX(info_level) && !lp_unix_extensions()) {
7749	return NT_STATUS_INVALID_LEVEL;
7750	}
7751
7752	if (!CAN_WRITE(conn)) {
7753	/* Allow POSIX opens. The open path will deny
7754	* any non-readonly opens. */
7755	if (info_level != SMB_POSIX_PATH_OPEN) {
7756	return NT_STATUS_DOS(ERRSRV, ERRaccess);
7757	}
7758	}
7759
7760	DEBUG(3,("smbd_do_setfilepathinfo: %s (fnum %d) info_level=%d "
7761	"totdata=%d\n", smb_fname_str_dbg(smb_fname),
7762	fsp ? fsp->fnum : -1, info_level, total_data));
7763
7764	switch (info_level) {
7765
7766	case SMB_INFO_STANDARD:
7767	{
7768	status = smb_set_info_standard(conn,
7769	pdata,
7770	total_data,
7771	fsp,
7772	smb_fname);
7773	break;
7774	}
7775
7776	case SMB_INFO_SET_EA:
7777	{
7778	status = smb_info_set_ea(conn,
7779	pdata,
7780	total_data,
7781	fsp,
7782	smb_fname);
7783	break;
7784	}
7785
7786	case SMB_SET_FILE_BASIC_INFO:
7787	case SMB_FILE_BASIC_INFORMATION:
7788	{
7789	status = smb_set_file_basic_info(conn,
7790	pdata,
7791	total_data,
7792	fsp,
7793	smb_fname);
7794	break;
7795	}
7796
7797	case SMB_FILE_ALLOCATION_INFORMATION:
7798	case SMB_SET_FILE_ALLOCATION_INFO:
7799	{
7800	status = smb_set_file_allocation_info(conn, req,
7801	pdata,
7802	total_data,
7803	fsp,
7804	smb_fname);
7805	break;
7806	}
7807
7808	case SMB_FILE_END_OF_FILE_INFORMATION:
7809	case SMB_SET_FILE_END_OF_FILE_INFO:
7810	{
7811	/*
7812	* XP/Win7 both fail after the createfile with
7813	* SMB_SET_FILE_END_OF_FILE_INFO but not
7814	* SMB_FILE_END_OF_FILE_INFORMATION (pass-through).
7815	* The level is known here, so pass it down
7816	* appropriately.
7817	*/
7818	bool should_fail =
7819	(info_level == SMB_SET_FILE_END_OF_FILE_INFO);
7820
7821	status = smb_set_file_end_of_file_info(conn, req,
7822	pdata,
7823	total_data,
7824	fsp,
7825	smb_fname,
7826	should_fail);
7827	break;
7828	}
7829
7830	case SMB_FILE_DISPOSITION_INFORMATION:
7831	case SMB_SET_FILE_DISPOSITION_INFO: /* Set delete on close for open file. */
7832	{
7833	#if 0
7834	/* JRA - We used to just ignore this on a path ?
7835	* Shouldn't this be invalid level on a pathname
7836	* based call ?
7837	*/
7838	if (tran_call != TRANSACT2_SETFILEINFO) {
7839	return ERROR_NT(NT_STATUS_INVALID_LEVEL);
7840	}
7841	#endif
7842	status = smb_set_file_disposition_info(conn,
7843	pdata,
7844	total_data,
7845	fsp,
7846	smb_fname);
7847	break;
7848	}
7849
7850	case SMB_FILE_POSITION_INFORMATION:
7851	{
7852	status = smb_file_position_information(conn,
7853	pdata,
7854	total_data,
7855	fsp);
7856	break;
7857	}
7858
7859	case SMB_FILE_FULL_EA_INFORMATION:
7860	{
7861	status = smb_set_file_full_ea_info(conn,
7862	pdata,
7863	total_data,
7864	fsp);
7865	break;
7866	}
7867
7868	/* From tridge Samba4 :
7869	* MODE_INFORMATION in setfileinfo (I have no
7870	* idea what "mode information" on a file is - it takes a value of 0,
7871	* 2, 4 or 6. What could it be?).
7872	*/
7873
7874	case SMB_FILE_MODE_INFORMATION:
7875	{
7876	status = smb_file_mode_information(conn,
7877	pdata,
7878	total_data);
7879	break;
7880	}
7881
7882	/*
7883	* CIFS UNIX extensions.
7884	*/
7885
7886	case SMB_SET_FILE_UNIX_BASIC:
7887	{
7888	status = smb_set_file_unix_basic(conn, req,
7889	pdata,
7890	total_data,
7891	fsp,
7892	smb_fname);
7893	break;
7894	}
7895
7896	case SMB_SET_FILE_UNIX_INFO2:
7897	{
7898	status = smb_set_file_unix_info2(conn, req,
7899	pdata,
7900	total_data,
7901	fsp,
7902	smb_fname);
7903	break;
7904	}
7905
7906	case SMB_SET_FILE_UNIX_LINK:
7907	{
7908	if (fsp) {
7909	/* We must have a pathname for this. */
7910	return NT_STATUS_INVALID_LEVEL;
7911	}
7912	status = smb_set_file_unix_link(conn, req, pdata,
7913	total_data, smb_fname);
7914	break;
7915	}
7916
7917	case SMB_SET_FILE_UNIX_HLINK:
7918	{
7919	if (fsp) {
7920	/* We must have a pathname for this. */
7921	return NT_STATUS_INVALID_LEVEL;
7922	}
7923	status = smb_set_file_unix_hlink(conn, req,
7924	pdata, total_data,
7925	smb_fname);
7926	break;
7927	}
7928
7929	case SMB_FILE_RENAME_INFORMATION:
7930	{
7931	status = smb_file_rename_information(conn, req,
7932	pdata, total_data,
7933	fsp, smb_fname);
7934	break;
7935	}
7936
7937	case SMB2_FILE_RENAME_INFORMATION_INTERNAL:
7938	{
7939	/* SMB2 rename information. */
7940	status = smb2_file_rename_information(conn, req,
7941	pdata, total_data,
7942	fsp, smb_fname);
7943	break;
7944	}
7945
7946	case SMB_FILE_LINK_INFORMATION:
7947	{
7948	status = smb_file_link_information(conn, req,
7949	pdata, total_data,
7950	fsp, smb_fname);
7951	break;
7952	}
7953
7954	#if defined(HAVE_POSIX_ACLS)
7955	case SMB_SET_POSIX_ACL:
7956	{
7957	status = smb_set_posix_acl(conn,
7958	pdata,
7959	total_data,
7960	fsp,
7961	smb_fname);
7962	break;
7963	}
7964	#endif
7965
7966	case SMB_SET_POSIX_LOCK:
7967	{
7968	if (!fsp) {
7969	return NT_STATUS_INVALID_LEVEL;
7970	}
7971	status = smb_set_posix_lock(conn, req,
7972	pdata, total_data, fsp);
7973	break;
7974	}
7975
7976	case SMB_POSIX_PATH_OPEN:
7977	{
7978	if (fsp) {
7979	/* We must have a pathname for this. */
7980	return NT_STATUS_INVALID_LEVEL;
7981	}
7982
7983	status = smb_posix_open(conn, req,
7984	ppdata,
7985	total_data,
7986	smb_fname,
7987	&data_return_size);
7988	break;
7989	}
7990
7991	case SMB_POSIX_PATH_UNLINK:
7992	{
7993	if (fsp) {
7994	/* We must have a pathname for this. */
7995	return NT_STATUS_INVALID_LEVEL;
7996	}
7997
7998	status = smb_posix_unlink(conn, req,
7999	pdata,
8000	total_data,
8001	smb_fname);
8002	break;
8003	}
8004
8005	default:
8006	return NT_STATUS_INVALID_LEVEL;
8007	}
8008
8009	if (!NT_STATUS_IS_OK(status)) {
8010	return status;
8011	}
8012
8013	*ret_data_size = data_return_size;
8014	return NT_STATUS_OK;
8015	}
8016
8017	/****************************************************************************
8018	Reply to a TRANS2_SETFILEINFO (set file info by fileid or pathname).
8019	****************************************************************************/
8020
8021	static void call_trans2setfilepathinfo(connection_struct *conn,
8022	struct smb_request *req,
8023	unsigned int tran_call,
8024	char **pparams, int total_params,
8025	char **ppdata, int total_data,
8026	unsigned int max_data_bytes)
8027	{
8028	char params = pparams;
8029	char pdata = ppdata;
8030	uint16 info_level;
8031	struct smb_filename *smb_fname = NULL;
8032	files_struct *fsp = NULL;
8033	NTSTATUS status = NT_STATUS_OK;
8034	int data_return_size = 0;
8035
8036	if (!params) {
8037	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8038	return;
8039	}
8040
8041	if (tran_call == TRANSACT2_SETFILEINFO) {
8042	if (total_params < 4) {
8043	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8044	return;
8045	}
8046
8047	fsp = file_fsp(req, SVAL(params,0));
8048	/* Basic check for non-null fsp. */
8049	if (!check_fsp_open(conn, req, fsp)) {
8050	return;
8051	}
8052	info_level = SVAL(params,2);
8053
8054	status = copy_smb_filename(talloc_tos(), fsp->fsp_name,
8055	&smb_fname);
8056	if (!NT_STATUS_IS_OK(status)) {
8057	reply_nterror(req, status);
8058	return;
8059	}
8060
8061	if(fsp->fh->fd == -1) {
8062	/*
8063	* This is actually a SETFILEINFO on a directory
8064	* handle (returned from an NT SMB). NT5.0 seems
8065	* to do this call. JRA.
8066	*/
8067	if (INFO_LEVEL_IS_UNIX(info_level)) {
8068	/* Always do lstat for UNIX calls. */
8069	if (SMB_VFS_LSTAT(conn, smb_fname)) {
8070	DEBUG(3,("call_trans2setfilepathinfo: "
8071	"SMB_VFS_LSTAT of %s failed "
8072	"(%s)\n",
8073	smb_fname_str_dbg(smb_fname),
8074	strerror(errno)));
8075	reply_nterror(req, map_nt_error_from_unix(errno));
8076	return;
8077	}
8078	} else {
8079	if (SMB_VFS_STAT(conn, smb_fname) != 0) {
8080	DEBUG(3,("call_trans2setfilepathinfo: "
8081	"fileinfo of %s failed (%s)\n",
8082	smb_fname_str_dbg(smb_fname),
8083	strerror(errno)));
8084	reply_nterror(req, map_nt_error_from_unix(errno));
8085	return;
8086	}
8087	}
8088	} else if (fsp->print_file) {
8089	/*
8090	* Doing a DELETE_ON_CLOSE should cancel a print job.
8091	*/
8092	if ((info_level == SMB_SET_FILE_DISPOSITION_INFO) && CVAL(pdata,0)) {
8093	fsp->fh->private_options \|= NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE;
8094
8095	DEBUG(3,("call_trans2setfilepathinfo: "
8096	"Cancelling print job (%s)\n",
8097	fsp_str_dbg(fsp)));
8098
8099	SSVAL(params,0,0);
8100	send_trans2_replies(conn, req, params, 2,
8101	*ppdata, 0,
8102	max_data_bytes);
8103	return;
8104	} else {
8105	reply_nterror(req,
8106	NT_STATUS_OBJECT_PATH_NOT_FOUND);
8107	return;
8108	}
8109	} else {
8110	/*
8111	* Original code - this is an open file.
8112	*/
8113	if (SMB_VFS_FSTAT(fsp, &smb_fname->st) != 0) {
8114	DEBUG(3,("call_trans2setfilepathinfo: fstat "
8115	"of fnum %d failed (%s)\n", fsp->fnum,
8116	strerror(errno)));
8117	reply_nterror(req, map_nt_error_from_unix(errno));
8118	return;
8119	}
8120	}
8121	} else {
8122	char *fname = NULL;
8123	uint32_t ucf_flags = 0;
8124
8125	/* set path info */
8126	if (total_params < 7) {
8127	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8128	return;
8129	}
8130
8131	info_level = SVAL(params,0);
8132	srvstr_get_path(req, params, req->flags2, &fname, &params[6],
8133	total_params - 6, STR_TERMINATE,
8134	&status);
8135	if (!NT_STATUS_IS_OK(status)) {
8136	reply_nterror(req, status);
8137	return;
8138	}
8139
8140	if (info_level == SMB_SET_FILE_UNIX_BASIC \|\|
8141	info_level == SMB_SET_FILE_UNIX_INFO2 \|\|
8142	info_level == SMB_FILE_RENAME_INFORMATION \|\|
8143	info_level == SMB_POSIX_PATH_UNLINK) {
8144	ucf_flags \|= UCF_UNIX_NAME_LOOKUP;
8145	}
8146
8147	status = filename_convert(req, conn,
8148	req->flags2 & FLAGS2_DFS_PATHNAMES,
8149	fname,
8150	ucf_flags,
8151	NULL,
8152	&smb_fname);
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	if (INFO_LEVEL_IS_UNIX(info_level)) {
8165	/*
8166	* For CIFS UNIX extensions the target name may not exist.
8167	*/
8168
8169	/* Always do lstat for UNIX calls. */
8170	SMB_VFS_LSTAT(conn, smb_fname);
8171
8172	} else if (!VALID_STAT(smb_fname->st) &&
8173	SMB_VFS_STAT(conn, smb_fname)) {
8174	DEBUG(3,("call_trans2setfilepathinfo: SMB_VFS_STAT of "
8175	"%s failed (%s)\n",
8176	smb_fname_str_dbg(smb_fname),
8177	strerror(errno)));
8178	reply_nterror(req, map_nt_error_from_unix(errno));
8179	return;
8180	}
8181	}
8182
8183	DEBUG(3,("call_trans2setfilepathinfo(%d) %s (fnum %d) info_level=%d "
8184	"totdata=%d\n", tran_call, smb_fname_str_dbg(smb_fname),
8185	fsp ? fsp->fnum : -1, info_level,total_data));
8186
8187	/* Realloc the parameter size */
8188	pparams = (char )SMB_REALLOC(*pparams,2);
8189	if (*pparams == NULL) {
8190	reply_nterror(req, NT_STATUS_NO_MEMORY);
8191	return;
8192	}
8193	params = *pparams;
8194
8195	SSVAL(params,0,0);
8196
8197	status = smbd_do_setfilepathinfo(conn, req, req,
8198	info_level,
8199	fsp,
8200	smb_fname,
8201	ppdata, total_data,
8202	&data_return_size);
8203	if (!NT_STATUS_IS_OK(status)) {
8204	if (open_was_deferred(req->mid)) {
8205	/* We have re-scheduled this call. */
8206	return;
8207	}
8208	if (blocking_lock_was_deferred_smb1(req->sconn, req->mid)) {
8209	/* We have re-scheduled this call. */
8210	return;
8211	}
8212	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8213	reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
8214	ERRSRV, ERRbadpath);
8215	return;
8216	}
8217	if (info_level == SMB_POSIX_PATH_OPEN) {
8218	reply_openerror(req, status);
8219	return;
8220	}
8221
8222	reply_nterror(req, status);
8223	return;
8224	}
8225
8226	send_trans2_replies(conn, req, params, 2, *ppdata, data_return_size,
8227	max_data_bytes);
8228
8229	return;
8230	}
8231
8232	/****************************************************************************
8233	Reply to a TRANS2_MKDIR (make directory with extended attributes).
8234	****************************************************************************/
8235
8236	static void call_trans2mkdir(connection_struct conn, struct smb_request req,
8237	char **pparams, int total_params,
8238	char **ppdata, int total_data,
8239	unsigned int max_data_bytes)
8240	{
8241	struct smb_filename *smb_dname = NULL;
8242	char params = pparams;
8243	char pdata = ppdata;
8244	char *directory = NULL;
8245	NTSTATUS status = NT_STATUS_OK;
8246	struct ea_list *ea_list = NULL;
8247	TALLOC_CTX *ctx = talloc_tos();
8248
8249	if (!CAN_WRITE(conn)) {
8250	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8251	return;
8252	}
8253
8254	if (total_params < 5) {
8255	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8256	return;
8257	}
8258
8259	srvstr_get_path(ctx, params, req->flags2, &directory, &params[4],
8260	total_params - 4, STR_TERMINATE,
8261	&status);
8262	if (!NT_STATUS_IS_OK(status)) {
8263	reply_nterror(req, status);
8264	return;
8265	}
8266
8267	DEBUG(3,("call_trans2mkdir : name = %s\n", directory));
8268
8269	status = filename_convert(ctx,
8270	conn,
8271	req->flags2 & FLAGS2_DFS_PATHNAMES,
8272	directory,
8273	0,
8274	NULL,
8275	&smb_dname);
8276
8277	if (!NT_STATUS_IS_OK(status)) {
8278	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
8279	reply_botherror(req,
8280	NT_STATUS_PATH_NOT_COVERED,
8281	ERRSRV, ERRbadpath);
8282	return;
8283	}
8284	reply_nterror(req, status);
8285	return;
8286	}
8287
8288	/*
8289	* OS/2 workplace shell seems to send SET_EA requests of "null"
8290	* length (4 bytes containing IVAL 4).
8291	* They seem to have no effect. Bug #3212. JRA.
8292	*/
8293
8294	if (total_data && (total_data != 4)) {
8295	/* Any data in this call is an EA list. */
8296	if (total_data < 10) {
8297	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8298	goto out;
8299	}
8300
8301	if (IVAL(pdata,0) > total_data) {
8302	DEBUG(10,("call_trans2mkdir: bad total data size (%u) > %u\n",
8303	IVAL(pdata,0), (unsigned int)total_data));
8304	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8305	goto out;
8306	}
8307
8308	ea_list = read_ea_list(talloc_tos(), pdata + 4,
8309	total_data - 4);
8310	if (!ea_list) {
8311	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8312	goto out;
8313	}
8314
8315	if (!lp_ea_support(SNUM(conn))) {
8316	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
8317	goto out;
8318	}
8319	}
8320	/* If total_data == 4 Windows doesn't care what values
8321	* are placed in that field, it just ignores them.
8322	* The System i QNTC IBM SMB client puts bad values here,
8323	* so ignore them. */
8324
8325	status = create_directory(conn, req, smb_dname);
8326
8327	if (!NT_STATUS_IS_OK(status)) {
8328	reply_nterror(req, status);
8329	goto out;
8330	}
8331
8332	/* Try and set any given EA. */
8333	if (ea_list) {
8334	status = set_ea(conn, NULL, smb_dname, ea_list);
8335	if (!NT_STATUS_IS_OK(status)) {
8336	reply_nterror(req, status);
8337	goto out;
8338	}
8339	}
8340
8341	/* Realloc the parameter and data sizes */
8342	pparams = (char )SMB_REALLOC(*pparams,2);
8343	if(*pparams == NULL) {
8344	reply_nterror(req, NT_STATUS_NO_MEMORY);
8345	goto out;
8346	}
8347	params = *pparams;
8348
8349	SSVAL(params,0,0);
8350
8351	send_trans2_replies(conn, req, params, 2, *ppdata, 0, max_data_bytes);
8352
8353	out:
8354	TALLOC_FREE(smb_dname);
8355	return;
8356	}
8357
8358	/****************************************************************************
8359	Reply to a TRANS2_FINDNOTIFYFIRST (start monitoring a directory for changes).
8360	We don't actually do this - we just send a null response.
8361	****************************************************************************/
8362
8363	static void call_trans2findnotifyfirst(connection_struct *conn,
8364	struct smb_request *req,
8365	char **pparams, int total_params,
8366	char **ppdata, int total_data,
8367	unsigned int max_data_bytes)
8368	{
8369	char params = pparams;
8370	uint16 info_level;
8371
8372	if (total_params < 6) {
8373	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8374	return;
8375	}
8376
8377	info_level = SVAL(params,4);
8378	DEBUG(3,("call_trans2findnotifyfirst - info_level %d\n", info_level));
8379
8380	switch (info_level) {
8381	case 1:
8382	case 2:
8383	break;
8384	default:
8385	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
8386	return;
8387	}
8388
8389	/* Realloc the parameter and data sizes */
8390	pparams = (char )SMB_REALLOC(*pparams,6);
8391	if (*pparams == NULL) {
8392	reply_nterror(req, NT_STATUS_NO_MEMORY);
8393	return;
8394	}
8395	params = *pparams;
8396
8397	SSVAL(params,0,fnf_handle);
8398	SSVAL(params,2,0); /* No changes */
8399	SSVAL(params,4,0); /* No EA errors */
8400
8401	fnf_handle++;
8402
8403	if(fnf_handle == 0)
8404	fnf_handle = 257;
8405
8406	send_trans2_replies(conn, req, params, 6, *ppdata, 0, max_data_bytes);
8407
8408	return;
8409	}
8410
8411	/****************************************************************************
8412	Reply to a TRANS2_FINDNOTIFYNEXT (continue monitoring a directory for
8413	changes). Currently this does nothing.
8414	****************************************************************************/
8415
8416	static void call_trans2findnotifynext(connection_struct *conn,
8417	struct smb_request *req,
8418	char **pparams, int total_params,
8419	char **ppdata, int total_data,
8420	unsigned int max_data_bytes)
8421	{
8422	char params = pparams;
8423
8424	DEBUG(3,("call_trans2findnotifynext\n"));
8425
8426	/* Realloc the parameter and data sizes */
8427	pparams = (char )SMB_REALLOC(*pparams,4);
8428	if (*pparams == NULL) {
8429	reply_nterror(req, NT_STATUS_NO_MEMORY);
8430	return;
8431	}
8432	params = *pparams;
8433
8434	SSVAL(params,0,0); /* No changes */
8435	SSVAL(params,2,0); /* No EA errors */
8436
8437	send_trans2_replies(conn, req, params, 4, *ppdata, 0, max_data_bytes);
8438
8439	return;
8440	}
8441
8442	/****************************************************************************
8443	Reply to a TRANS2_GET_DFS_REFERRAL - Shirish Kalele <kalele@veritas.com>.
8444	****************************************************************************/
8445
8446	static void call_trans2getdfsreferral(connection_struct *conn,
8447	struct smb_request *req,
8448	char **pparams, int total_params,
8449	char **ppdata, int total_data,
8450	unsigned int max_data_bytes)
8451	{
8452	char params = pparams;
8453	char *pathname = NULL;
8454	int reply_size = 0;
8455	int max_referral_level;
8456	NTSTATUS status = NT_STATUS_OK;
8457	TALLOC_CTX *ctx = talloc_tos();
8458
8459	DEBUG(10,("call_trans2getdfsreferral\n"));
8460
8461	if (total_params < 3) {
8462	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8463	return;
8464	}
8465
8466	max_referral_level = SVAL(params,0);
8467
8468	if(!lp_host_msdfs()) {
8469	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8470	return;
8471	}
8472
8473	srvstr_pull_talloc(ctx, params, req->flags2, &pathname, &params[2],
8474	total_params - 2, STR_TERMINATE);
8475	if (!pathname) {
8476	reply_nterror(req, NT_STATUS_NOT_FOUND);
8477	return;
8478	}
8479	if((reply_size = setup_dfs_referral(conn, pathname, max_referral_level,
8480	ppdata,&status)) < 0) {
8481	reply_nterror(req, status);
8482	return;
8483	}
8484
8485	SSVAL(req->inbuf, smb_flg2,
8486	SVAL(req->inbuf,smb_flg2) \| FLAGS2_DFS_PATHNAMES);
8487	send_trans2_replies(conn, req,0,0,*ppdata,reply_size, max_data_bytes);
8488
8489	return;
8490	}
8491
8492	#define LMCAT_SPL 0x53
8493	#define LMFUNC_GETJOBID 0x60
8494
8495	/****************************************************************************
8496	Reply to a TRANS2_IOCTL - used for OS/2 printing.
8497	****************************************************************************/
8498
8499	static void call_trans2ioctl(connection_struct *conn,
8500	struct smb_request *req,
8501	char **pparams, int total_params,
8502	char **ppdata, int total_data,
8503	unsigned int max_data_bytes)
8504	{
8505	char pdata = ppdata;
8506	files_struct *fsp = file_fsp(req, SVAL(req->vwv+15, 0));
8507
8508	/* check for an invalid fid before proceeding */
8509
8510	if (!fsp) {
8511	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
8512	return;
8513	}
8514
8515	if ((SVAL(req->vwv+16, 0) == LMCAT_SPL)
8516	&& (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8517	ppdata = (char )SMB_REALLOC(*ppdata, 32);
8518	if (*ppdata == NULL) {
8519	reply_nterror(req, NT_STATUS_NO_MEMORY);
8520	return;
8521	}
8522	pdata = *ppdata;
8523
8524	/* NOTE - THIS IS ASCII ONLY AT THE MOMENT - NOT SURE IF OS/2
8525	CAN ACCEPT THIS IN UNICODE. JRA. */
8526
8527	/* Job number */
8528	if (fsp->print_file) {
8529	SSVAL(pdata, 0, fsp->print_file->rap_jobid);
8530	} else {
8531	SSVAL(pdata, 0, 0);
8532	}
8533	srvstr_push(pdata, req->flags2, pdata + 2,
8534	global_myname(), 15,
8535	STR_ASCII\|STR_TERMINATE); /* Our NetBIOS name */
8536	srvstr_push(pdata, req->flags2, pdata+18,
8537	lp_servicename(SNUM(conn)), 13,
8538	STR_ASCII\|STR_TERMINATE); /* Service name */
8539	send_trans2_replies(conn, req, pparams, 0, ppdata, 32,
8540	max_data_bytes);
8541	return;
8542	}
8543
8544	DEBUG(2,("Unknown TRANS2_IOCTL\n"));
8545	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8546	}
8547
8548	/****************************************************************************
8549	Reply to a SMBfindclose (stop trans2 directory search).
8550	****************************************************************************/
8551
8552	void reply_findclose(struct smb_request *req)
8553	{
8554	int dptr_num;
8555	struct smbd_server_connection *sconn = req->sconn;
8556
8557	START_PROFILE(SMBfindclose);
8558
8559	if (req->wct < 1) {
8560	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8561	END_PROFILE(SMBfindclose);
8562	return;
8563	}
8564
8565	dptr_num = SVALS(req->vwv+0, 0);
8566
8567	DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
8568
8569	dptr_close(sconn, &dptr_num);
8570
8571	reply_outbuf(req, 0, 0);
8572
8573	DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
8574
8575	END_PROFILE(SMBfindclose);
8576	return;
8577	}
8578
8579	/****************************************************************************
8580	Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
8581	****************************************************************************/
8582
8583	void reply_findnclose(struct smb_request *req)
8584	{
8585	int dptr_num;
8586
8587	START_PROFILE(SMBfindnclose);
8588
8589	if (req->wct < 1) {
8590	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8591	END_PROFILE(SMBfindnclose);
8592	return;
8593	}
8594
8595	dptr_num = SVAL(req->vwv+0, 0);
8596
8597	DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
8598
8599	/* We never give out valid handles for a
8600	findnotifyfirst - so any dptr_num is ok here.
8601	Just ignore it. */
8602
8603	reply_outbuf(req, 0, 0);
8604
8605	DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
8606
8607	END_PROFILE(SMBfindnclose);
8608	return;
8609	}
8610
8611	static void handle_trans2(connection_struct conn, struct smb_request req,
8612	struct trans_state *state)
8613	{
8614	if (get_Protocol() >= PROTOCOL_NT1) {
8615	req->flags2 \|= 0x40; /* IS_LONG_NAME */
8616	SSVAL(req->inbuf,smb_flg2,req->flags2);
8617	}
8618
8619	if (conn->encrypt_level == Required && !req->encrypted) {
8620	if (state->call != TRANSACT2_QFSINFO &&
8621	state->call != TRANSACT2_SETFSINFO) {
8622	DEBUG(0,("handle_trans2: encryption required "
8623	"with call 0x%x\n",
8624	(unsigned int)state->call));
8625	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8626	return;
8627	}
8628	}
8629
8630	SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
8631
8632	/* Now we must call the relevant TRANS2 function */
8633	switch(state->call) {
8634	case TRANSACT2_OPEN:
8635	{
8636	START_PROFILE(Trans2_open);
8637	call_trans2open(conn, req,
8638	&state->param, state->total_param,
8639	&state->data, state->total_data,
8640	state->max_data_return);
8641	END_PROFILE(Trans2_open);
8642	break;
8643	}
8644
8645	case TRANSACT2_FINDFIRST:
8646	{
8647	START_PROFILE(Trans2_findfirst);
8648	call_trans2findfirst(conn, req,
8649	&state->param, state->total_param,
8650	&state->data, state->total_data,
8651	state->max_data_return);
8652	END_PROFILE(Trans2_findfirst);
8653	break;
8654	}
8655
8656	case TRANSACT2_FINDNEXT:
8657	{
8658	START_PROFILE(Trans2_findnext);
8659	call_trans2findnext(conn, req,
8660	&state->param, state->total_param,
8661	&state->data, state->total_data,
8662	state->max_data_return);
8663	END_PROFILE(Trans2_findnext);
8664	break;
8665	}
8666
8667	case TRANSACT2_QFSINFO:
8668	{
8669	START_PROFILE(Trans2_qfsinfo);
8670	call_trans2qfsinfo(conn, req,
8671	&state->param, state->total_param,
8672	&state->data, state->total_data,
8673	state->max_data_return);
8674	END_PROFILE(Trans2_qfsinfo);
8675	break;
8676	}
8677
8678	case TRANSACT2_SETFSINFO:
8679	{
8680	START_PROFILE(Trans2_setfsinfo);
8681	call_trans2setfsinfo(conn, req,
8682	&state->param, state->total_param,
8683	&state->data, state->total_data,
8684	state->max_data_return);
8685	END_PROFILE(Trans2_setfsinfo);
8686	break;
8687	}
8688
8689	case TRANSACT2_QPATHINFO:
8690	case TRANSACT2_QFILEINFO:
8691	{
8692	START_PROFILE(Trans2_qpathinfo);
8693	call_trans2qfilepathinfo(conn, req, state->call,
8694	&state->param, state->total_param,
8695	&state->data, state->total_data,
8696	state->max_data_return);
8697	END_PROFILE(Trans2_qpathinfo);
8698	break;
8699	}
8700
8701	case TRANSACT2_SETPATHINFO:
8702	case TRANSACT2_SETFILEINFO:
8703	{
8704	START_PROFILE(Trans2_setpathinfo);
8705	call_trans2setfilepathinfo(conn, req, state->call,
8706	&state->param, state->total_param,
8707	&state->data, state->total_data,
8708	state->max_data_return);
8709	END_PROFILE(Trans2_setpathinfo);
8710	break;
8711	}
8712
8713	case TRANSACT2_FINDNOTIFYFIRST:
8714	{
8715	START_PROFILE(Trans2_findnotifyfirst);
8716	call_trans2findnotifyfirst(conn, req,
8717	&state->param, state->total_param,
8718	&state->data, state->total_data,
8719	state->max_data_return);
8720	END_PROFILE(Trans2_findnotifyfirst);
8721	break;
8722	}
8723
8724	case TRANSACT2_FINDNOTIFYNEXT:
8725	{
8726	START_PROFILE(Trans2_findnotifynext);
8727	call_trans2findnotifynext(conn, req,
8728	&state->param, state->total_param,
8729	&state->data, state->total_data,
8730	state->max_data_return);
8731	END_PROFILE(Trans2_findnotifynext);
8732	break;
8733	}
8734
8735	case TRANSACT2_MKDIR:
8736	{
8737	START_PROFILE(Trans2_mkdir);
8738	call_trans2mkdir(conn, req,
8739	&state->param, state->total_param,
8740	&state->data, state->total_data,
8741	state->max_data_return);
8742	END_PROFILE(Trans2_mkdir);
8743	break;
8744	}
8745
8746	case TRANSACT2_GET_DFS_REFERRAL:
8747	{
8748	START_PROFILE(Trans2_get_dfs_referral);
8749	call_trans2getdfsreferral(conn, req,
8750	&state->param, state->total_param,
8751	&state->data, state->total_data,
8752	state->max_data_return);
8753	END_PROFILE(Trans2_get_dfs_referral);
8754	break;
8755	}
8756
8757	case TRANSACT2_IOCTL:
8758	{
8759	START_PROFILE(Trans2_ioctl);
8760	call_trans2ioctl(conn, req,
8761	&state->param, state->total_param,
8762	&state->data, state->total_data,
8763	state->max_data_return);
8764	END_PROFILE(Trans2_ioctl);
8765	break;
8766	}
8767
8768	default:
8769	/* Error in request */
8770	DEBUG(2,("Unknown request %d in trans2 call\n", state->call));
8771	reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
8772	}
8773	}
8774
8775	/****************************************************************************
8776	Reply to a SMBtrans2.
8777	****************************************************************************/
8778
8779	void reply_trans2(struct smb_request *req)
8780	{
8781	connection_struct *conn = req->conn;
8782	unsigned int dsoff;
8783	unsigned int dscnt;
8784	unsigned int psoff;
8785	unsigned int pscnt;
8786	unsigned int tran_call;
8787	struct trans_state *state;
8788	NTSTATUS result;
8789
8790	START_PROFILE(SMBtrans2);
8791
8792	if (req->wct < 14) {
8793	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8794	END_PROFILE(SMBtrans2);
8795	return;
8796	}
8797
8798	dsoff = SVAL(req->vwv+12, 0);
8799	dscnt = SVAL(req->vwv+11, 0);
8800	psoff = SVAL(req->vwv+10, 0);
8801	pscnt = SVAL(req->vwv+9, 0);
8802	tran_call = SVAL(req->vwv+14, 0);
8803
8804	result = allow_new_trans(conn->pending_trans, req->mid);
8805	if (!NT_STATUS_IS_OK(result)) {
8806	DEBUG(2, ("Got invalid trans2 request: %s\n",
8807	nt_errstr(result)));
8808	reply_nterror(req, result);
8809	END_PROFILE(SMBtrans2);
8810	return;
8811	}
8812
8813	if (IS_IPC(conn)) {
8814	switch (tran_call) {
8815	/* List the allowed trans2 calls on IPC$ */
8816	case TRANSACT2_OPEN:
8817	case TRANSACT2_GET_DFS_REFERRAL:
8818	case TRANSACT2_QFILEINFO:
8819	case TRANSACT2_QFSINFO:
8820	case TRANSACT2_SETFSINFO:
8821	break;
8822	default:
8823	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
8824	END_PROFILE(SMBtrans2);
8825	return;
8826	}
8827	}
8828
8829	if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
8830	DEBUG(0, ("talloc failed\n"));
8831	reply_nterror(req, NT_STATUS_NO_MEMORY);
8832	END_PROFILE(SMBtrans2);
8833	return;
8834	}
8835
8836	state->cmd = SMBtrans2;
8837
8838	state->mid = req->mid;
8839	state->vuid = req->vuid;
8840	state->setup_count = SVAL(req->vwv+13, 0);
8841	state->setup = NULL;
8842	state->total_param = SVAL(req->vwv+0, 0);
8843	state->param = NULL;
8844	state->total_data = SVAL(req->vwv+1, 0);
8845	state->data = NULL;
8846	state->max_param_return = SVAL(req->vwv+2, 0);
8847	state->max_data_return = SVAL(req->vwv+3, 0);
8848	state->max_setup_return = SVAL(req->vwv+4, 0);
8849	state->close_on_completion = BITSETW(req->vwv+5, 0);
8850	state->one_way = BITSETW(req->vwv+5, 1);
8851
8852	state->call = tran_call;
8853
8854	/* All trans2 messages we handle have smb_sucnt == 1 - ensure this
8855	is so as a sanity check */
8856	if (state->setup_count != 1) {
8857	/*
8858	* Need to have rc=0 for ioctl to get job id for OS/2.
8859	* Network printing will fail if function is not successful.
8860	* Similar function in reply.c will be used if protocol
8861	* is LANMAN1.0 instead of LM1.2X002.
8862	* Until DosPrintSetJobInfo with PRJINFO3 is supported,
8863	* outbuf doesn't have to be set(only job id is used).
8864	*/
8865	if ( (state->setup_count == 4)
8866	&& (tran_call == TRANSACT2_IOCTL)
8867	&& (SVAL(req->vwv+16, 0) == LMCAT_SPL)
8868	&& (SVAL(req->vwv+17, 0) == LMFUNC_GETJOBID)) {
8869	DEBUG(2,("Got Trans2 DevIOctl jobid\n"));
8870	} else {
8871	DEBUG(2,("Invalid smb_sucnt in trans2 call(%u)\n",state->setup_count));
8872	DEBUG(2,("Transaction is %d\n",tran_call));
8873	TALLOC_FREE(state);
8874	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8875	END_PROFILE(SMBtrans2);
8876	return;
8877	}
8878	}
8879
8880	if ((dscnt > state->total_data) \|\| (pscnt > state->total_param))
8881	goto bad_param;
8882
8883	if (state->total_data) {
8884
8885	if (trans_oob(state->total_data, 0, dscnt)
8886	\|\| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
8887	goto bad_param;
8888	}
8889
8890	/* Can't use talloc here, the core routines do realloc on the
8891	* params and data. */
8892	state->data = (char *)SMB_MALLOC(state->total_data);
8893	if (state->data == NULL) {
8894	DEBUG(0,("reply_trans2: data malloc fail for %u "
8895	"bytes !\n", (unsigned int)state->total_data));
8896	TALLOC_FREE(state);
8897	reply_nterror(req, NT_STATUS_NO_MEMORY);
8898	END_PROFILE(SMBtrans2);
8899	return;
8900	}
8901
8902	memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
8903	}
8904
8905	if (state->total_param) {
8906
8907	if (trans_oob(state->total_param, 0, pscnt)
8908	\|\| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
8909	goto bad_param;
8910	}
8911
8912	/* Can't use talloc here, the core routines do realloc on the
8913	* params and data. */
8914	state->param = (char *)SMB_MALLOC(state->total_param);
8915	if (state->param == NULL) {
8916	DEBUG(0,("reply_trans: param malloc fail for %u "
8917	"bytes !\n", (unsigned int)state->total_param));
8918	SAFE_FREE(state->data);
8919	TALLOC_FREE(state);
8920	reply_nterror(req, NT_STATUS_NO_MEMORY);
8921	END_PROFILE(SMBtrans2);
8922	return;
8923	}
8924
8925	memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
8926	}
8927
8928	state->received_data = dscnt;
8929	state->received_param = pscnt;
8930
8931	if ((state->received_param == state->total_param) &&
8932	(state->received_data == state->total_data)) {
8933
8934	handle_trans2(conn, req, state);
8935
8936	SAFE_FREE(state->data);
8937	SAFE_FREE(state->param);
8938	TALLOC_FREE(state);
8939	END_PROFILE(SMBtrans2);
8940	return;
8941	}
8942
8943	DLIST_ADD(conn->pending_trans, state);
8944
8945	/* We need to send an interim response then receive the rest
8946	of the parameter/data bytes */
8947	reply_outbuf(req, 0, 0);
8948	show_msg((char *)req->outbuf);
8949	END_PROFILE(SMBtrans2);
8950	return;
8951
8952	bad_param:
8953
8954	DEBUG(0,("reply_trans2: invalid trans parameters\n"));
8955	SAFE_FREE(state->data);
8956	SAFE_FREE(state->param);
8957	TALLOC_FREE(state);
8958	END_PROFILE(SMBtrans2);
8959	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8960	}
8961
8962
8963	/****************************************************************************
8964	Reply to a SMBtranss2
8965	****************************************************************************/
8966
8967	void reply_transs2(struct smb_request *req)
8968	{
8969	connection_struct *conn = req->conn;
8970	unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
8971	struct trans_state *state;
8972
8973	START_PROFILE(SMBtranss2);
8974
8975	show_msg((char *)req->inbuf);
8976
8977	/* Windows clients expect all replies to
8978	a transact secondary (SMBtranss2 0x33)
8979	to have a command code of transact
8980	(SMBtrans2 0x32). See bug #8989
8981	and also [MS-CIFS] section 2.2.4.47.2
8982	for details.
8983	*/
8984	req->cmd = SMBtrans2;
8985
8986	if (req->wct < 8) {
8987	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
8988	END_PROFILE(SMBtranss2);
8989	return;
8990	}
8991
8992	for (state = conn->pending_trans; state != NULL;
8993	state = state->next) {
8994	if (state->mid == req->mid) {
8995	break;
8996	}
8997	}
8998
8999	if ((state == NULL) \|\| (state->cmd != SMBtrans2)) {
9000	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
9001	END_PROFILE(SMBtranss2);
9002	return;
9003	}
9004
9005	/* Revise state->total_param and state->total_data in case they have
9006	changed downwards */
9007
9008	if (SVAL(req->vwv+0, 0) < state->total_param)
9009	state->total_param = SVAL(req->vwv+0, 0);
9010	if (SVAL(req->vwv+1, 0) < state->total_data)
9011	state->total_data = SVAL(req->vwv+1, 0);
9012
9013	pcnt = SVAL(req->vwv+2, 0);
9014	poff = SVAL(req->vwv+3, 0);
9015	pdisp = SVAL(req->vwv+4, 0);
9016
9017	dcnt = SVAL(req->vwv+5, 0);
9018	doff = SVAL(req->vwv+6, 0);
9019	ddisp = SVAL(req->vwv+7, 0);
9020
9021	state->received_param += pcnt;
9022	state->received_data += dcnt;
9023
9024	if ((state->received_data > state->total_data) \|\|
9025	(state->received_param > state->total_param))
9026	goto bad_param;
9027
9028	if (pcnt) {
9029	if (trans_oob(state->total_param, pdisp, pcnt)
9030	\|\| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
9031	goto bad_param;
9032	}
9033	memcpy(state->param+pdisp,smb_base(req->inbuf)+poff,pcnt);
9034	}
9035
9036	if (dcnt) {
9037	if (trans_oob(state->total_data, ddisp, dcnt)
9038	\|\| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
9039	goto bad_param;
9040	}
9041	memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
9042	}
9043
9044	if ((state->received_param < state->total_param) \|\|
9045	(state->received_data < state->total_data)) {
9046	END_PROFILE(SMBtranss2);
9047	return;
9048	}
9049
9050	handle_trans2(conn, req, state);
9051
9052	DLIST_REMOVE(conn->pending_trans, state);
9053	SAFE_FREE(state->data);
9054	SAFE_FREE(state->param);
9055	TALLOC_FREE(state);
9056
9057	END_PROFILE(SMBtranss2);
9058	return;
9059
9060	bad_param:
9061
9062	DEBUG(0,("reply_transs2: invalid trans parameters\n"));
9063	DLIST_REMOVE(conn->pending_trans, state);
9064	SAFE_FREE(state->data);
9065	SAFE_FREE(state->param);
9066	TALLOC_FREE(state);
9067	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
9068	END_PROFILE(SMBtranss2);
9069	return;
9070	}

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