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source: vendor/3.6.9/source3/smbd/nttrans.c

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Last change on this file was 746, checked in by Silvan Scherrer, 13 years ago
Samba Server: updated vendor to 3.6.9
File size: 90.2 KB

Line
1	/*
2	Unix SMB/CIFS implementation.
3	SMB NT transaction handling
4	Copyright (C) Jeremy Allison 1994-2007
5	Copyright (C) Stefan (metze) Metzmacher 2003
6
7	This program is free software; you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation; either version 3 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*/
20
21	#include "includes.h"
22	#include "system/filesys.h"
23	#include "smbd/smbd.h"
24	#include "smbd/globals.h"
25	#include "fake_file.h"
26	#include "../libcli/security/security.h"
27	#include "../librpc/gen_ndr/ndr_security.h"
28	#include "passdb/lookup_sid.h"
29	#include "auth.h"
30	#include "ntioctl.h"
31	#include "smbprofile.h"
32	#include "libsmb/libsmb.h"
33
34	extern const struct generic_mapping file_generic_mapping;
35
36	static char nttrans_realloc(char *ptr, size_t size)
37	{
38	if (ptr==NULL) {
39	smb_panic("nttrans_realloc() called with NULL ptr");
40	}
41
42	ptr = (char )SMB_REALLOC(*ptr, size);
43	if(*ptr == NULL) {
44	return NULL;
45	}
46	memset(*ptr,'\0',size);
47	return *ptr;
48	}
49
50	/****************************************************************************
51	Send the required number of replies back.
52	We assume all fields other than the data fields are
53	set correctly for the type of call.
54	HACK ! Always assumes smb_setup field is zero.
55	****************************************************************************/
56
57	void send_nt_replies(connection_struct *conn,
58	struct smb_request *req, NTSTATUS nt_error,
59	char *params, int paramsize,
60	char *pdata, int datasize)
61	{
62	int data_to_send = datasize;
63	int params_to_send = paramsize;
64	int useable_space;
65	char *pp = params;
66	char *pd = pdata;
67	int params_sent_thistime, data_sent_thistime, total_sent_thistime;
68	int alignment_offset = 1;
69	int data_alignment_offset = 0;
70	struct smbd_server_connection *sconn = req->sconn;
71	int max_send = sconn->smb1.sessions.max_send;
72
73	/*
74	* If there genuinely are no parameters or data to send just send
75	* the empty packet.
76	*/
77
78	if(params_to_send == 0 && data_to_send == 0) {
79	reply_outbuf(req, 18, 0);
80	if (NT_STATUS_V(nt_error)) {
81	error_packet_set((char *)req->outbuf,
82	0, 0, nt_error,
83	__LINE__,__FILE__);
84	}
85	show_msg((char *)req->outbuf);
86	if (!srv_send_smb(sconn,
87	(char *)req->outbuf,
88	true, req->seqnum+1,
89	IS_CONN_ENCRYPTED(conn),
90	&req->pcd)) {
91	exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
92	}
93	TALLOC_FREE(req->outbuf);
94	return;
95	}
96
97	/*
98	* When sending params and data ensure that both are nicely aligned.
99	* Only do this alignment when there is also data to send - else
100	* can cause NT redirector problems.
101	*/
102
103	if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
104	data_alignment_offset = 4 - (params_to_send % 4);
105	}
106
107	/*
108	* Space is bufsize minus Netbios over TCP header minus SMB header.
109	* The alignment_offset is to align the param bytes on a four byte
110	* boundary (2 bytes for data len, one byte pad).
111	* NT needs this to work correctly.
112	*/
113
114	useable_space = max_send - (smb_size
115	+ 2 * 18 /* wct */
116	+ alignment_offset
117	+ data_alignment_offset);
118
119	if (useable_space < 0) {
120	char *msg = talloc_asprintf(
121	talloc_tos(),
122	"send_nt_replies failed sanity useable_space = %d!!!",
123	useable_space);
124	DEBUG(0, ("%s\n", msg));
125	exit_server_cleanly(msg);
126	}
127
128	while (params_to_send \|\| data_to_send) {
129
130	/*
131	* Calculate whether we will totally or partially fill this packet.
132	*/
133
134	total_sent_thistime = params_to_send + data_to_send;
135
136	/*
137	* We can never send more than useable_space.
138	*/
139
140	total_sent_thistime = MIN(total_sent_thistime, useable_space);
141
142	reply_outbuf(req, 18,
143	total_sent_thistime + alignment_offset
144	+ data_alignment_offset);
145
146	/*
147	* Set total params and data to be sent.
148	*/
149
150	SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
151	SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
152
153	/*
154	* Calculate how many parameters and data we can fit into
155	* this packet. Parameters get precedence.
156	*/
157
158	params_sent_thistime = MIN(params_to_send,useable_space);
159	data_sent_thistime = useable_space - params_sent_thistime;
160	data_sent_thistime = MIN(data_sent_thistime,data_to_send);
161
162	SIVAL(req->outbuf, smb_ntr_ParameterCount,
163	params_sent_thistime);
164
165	if(params_sent_thistime == 0) {
166	SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
167	SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
168	} else {
169	/*
170	* smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
171	* parameter bytes, however the first 4 bytes of outbuf are
172	* the Netbios over TCP header. Thus use smb_base() to subtract
173	* them from the calculation.
174	*/
175
176	SIVAL(req->outbuf,smb_ntr_ParameterOffset,
177	((smb_buf(req->outbuf)+alignment_offset)
178	- smb_base(req->outbuf)));
179	/*
180	* Absolute displacement of param bytes sent in this packet.
181	*/
182
183	SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
184	pp - params);
185	}
186
187	/*
188	* Deal with the data portion.
189	*/
190
191	SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
192
193	if(data_sent_thistime == 0) {
194	SIVAL(req->outbuf,smb_ntr_DataOffset,0);
195	SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
196	} else {
197	/*
198	* The offset of the data bytes is the offset of the
199	* parameter bytes plus the number of parameters being sent this time.
200	*/
201
202	SIVAL(req->outbuf, smb_ntr_DataOffset,
203	((smb_buf(req->outbuf)+alignment_offset) -
204	smb_base(req->outbuf))
205	+ params_sent_thistime + data_alignment_offset);
206	SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
207	}
208
209	/*
210	* Copy the param bytes into the packet.
211	*/
212
213	if(params_sent_thistime) {
214	if (alignment_offset != 0) {
215	memset(smb_buf(req->outbuf), 0,
216	alignment_offset);
217	}
218	memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
219	params_sent_thistime);
220	}
221
222	/*
223	* Copy in the data bytes
224	*/
225
226	if(data_sent_thistime) {
227	if (data_alignment_offset != 0) {
228	memset((smb_buf(req->outbuf)+alignment_offset+
229	params_sent_thistime), 0,
230	data_alignment_offset);
231	}
232	memcpy(smb_buf(req->outbuf)+alignment_offset
233	+params_sent_thistime+data_alignment_offset,
234	pd,data_sent_thistime);
235	}
236
237	DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
238	params_sent_thistime, data_sent_thistime, useable_space));
239	DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
240	params_to_send, data_to_send, paramsize, datasize));
241
242	if (NT_STATUS_V(nt_error)) {
243	error_packet_set((char *)req->outbuf,
244	0, 0, nt_error,
245	__LINE__,__FILE__);
246	}
247
248	/* Send the packet */
249	show_msg((char *)req->outbuf);
250	if (!srv_send_smb(sconn,
251	(char *)req->outbuf,
252	true, req->seqnum+1,
253	IS_CONN_ENCRYPTED(conn),
254	&req->pcd)) {
255	exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
256	}
257
258	TALLOC_FREE(req->outbuf);
259
260	pp += params_sent_thistime;
261	pd += data_sent_thistime;
262
263	params_to_send -= params_sent_thistime;
264	data_to_send -= data_sent_thistime;
265
266	/*
267	* Sanity check
268	*/
269
270	if(params_to_send < 0 \|\| data_to_send < 0) {
271	DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
272	params_to_send, data_to_send));
273	exit_server_cleanly("send_nt_replies: internal error");
274	}
275	}
276	}
277
278	/****************************************************************************
279	Reply to an NT create and X call on a pipe
280	****************************************************************************/
281
282	static void nt_open_pipe(char fname, connection_struct conn,
283	struct smb_request req, int ppnum)
284	{
285	files_struct *fsp;
286	NTSTATUS status;
287
288	DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
289
290	/* Strip \\ off the name. */
291	fname++;
292
293	status = open_np_file(req, fname, &fsp);
294	if (!NT_STATUS_IS_OK(status)) {
295	if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
296	reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
297	ERRDOS, ERRbadpipe);
298	return;
299	}
300	reply_nterror(req, status);
301	return;
302	}
303
304	*ppnum = fsp->fnum;
305	return;
306	}
307
308	/****************************************************************************
309	Reply to an NT create and X call for pipes.
310	****************************************************************************/
311
312	static void do_ntcreate_pipe_open(connection_struct *conn,
313	struct smb_request *req)
314	{
315	char *fname = NULL;
316	int pnum = -1;
317	char *p = NULL;
318	uint32 flags = IVAL(req->vwv+3, 1);
319	TALLOC_CTX *ctx = talloc_tos();
320
321	srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
322
323	if (!fname) {
324	reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
325	ERRDOS, ERRbadpipe);
326	return;
327	}
328	nt_open_pipe(fname, conn, req, &pnum);
329
330	if (req->outbuf) {
331	/* error reply */
332	return;
333	}
334
335	/*
336	* Deal with pipe return.
337	*/
338
339	if (flags & EXTENDED_RESPONSE_REQUIRED) {
340	/* This is very strange. We
341	* return 50 words, but only set
342	* the wcnt to 42 ? It's definately
343	* what happens on the wire....
344	*/
345	reply_outbuf(req, 50, 0);
346	SCVAL(req->outbuf,smb_wct,42);
347	} else {
348	reply_outbuf(req, 34, 0);
349	}
350
351	p = (char *)req->outbuf + smb_vwv2;
352	p++;
353	SSVAL(p,0,pnum);
354	p += 2;
355	SIVAL(p,0,FILE_WAS_OPENED);
356	p += 4;
357	p += 32;
358	SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
359	p += 20;
360	/* File type. */
361	SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
362	/* Device state. */
363	SSVAL(p,2, 0x5FF); /* ? */
364	p += 4;
365
366	if (flags & EXTENDED_RESPONSE_REQUIRED) {
367	p += 25;
368	SIVAL(p,0,FILE_GENERIC_ALL);
369	/*
370	* For pipes W2K3 seems to return
371	* 0x12019B next.
372	* This is ((FILE_GENERIC_READ\|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
373	*/
374	SIVAL(p,4,(FILE_GENERIC_READ\|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
375	}
376
377	DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
378
379	chain_reply(req);
380	}
381
382	struct case_semantics_state {
383	connection_struct *conn;
384	bool case_sensitive;
385	bool case_preserve;
386	bool short_case_preserve;
387	};
388
389	/****************************************************************************
390	Restore case semantics.
391	****************************************************************************/
392
393	static int restore_case_semantics(struct case_semantics_state *state)
394	{
395	state->conn->case_sensitive = state->case_sensitive;
396	state->conn->case_preserve = state->case_preserve;
397	state->conn->short_case_preserve = state->short_case_preserve;
398	return 0;
399	}
400
401	/****************************************************************************
402	Save case semantics.
403	****************************************************************************/
404
405	static struct case_semantics_state set_posix_case_semantics(TALLOC_CTX mem_ctx,
406	connection_struct *conn)
407	{
408	struct case_semantics_state *result;
409
410	if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
411	return NULL;
412	}
413
414	result->conn = conn;
415	result->case_sensitive = conn->case_sensitive;
416	result->case_preserve = conn->case_preserve;
417	result->short_case_preserve = conn->short_case_preserve;
418
419	/* Set to POSIX. */
420	conn->case_sensitive = True;
421	conn->case_preserve = True;
422	conn->short_case_preserve = True;
423
424	talloc_set_destructor(result, restore_case_semantics);
425
426	return result;
427	}
428
429	/****************************************************************************
430	Reply to an NT create and X call.
431	****************************************************************************/
432
433	void reply_ntcreate_and_X(struct smb_request *req)
434	{
435	connection_struct *conn = req->conn;
436	struct smb_filename *smb_fname = NULL;
437	char *fname = NULL;
438	uint32 flags;
439	uint32 access_mask;
440	uint32 file_attributes;
441	uint32 share_access;
442	uint32 create_disposition;
443	uint32 create_options;
444	uint16 root_dir_fid;
445	uint64_t allocation_size;
446	/* Breakout the oplock request bits so we can set the
447	reply bits separately. */
448	uint32 fattr=0;
449	SMB_OFF_T file_len = 0;
450	int info = 0;
451	files_struct *fsp = NULL;
452	char *p = NULL;
453	struct timespec create_timespec;
454	struct timespec c_timespec;
455	struct timespec a_timespec;
456	struct timespec m_timespec;
457	struct timespec write_time_ts;
458	NTSTATUS status;
459	int oplock_request;
460	uint8_t oplock_granted = NO_OPLOCK_RETURN;
461	struct case_semantics_state *case_state = NULL;
462	TALLOC_CTX *ctx = talloc_tos();
463
464	START_PROFILE(SMBntcreateX);
465
466	if (req->wct < 24) {
467	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
468	goto out;
469	}
470
471	flags = IVAL(req->vwv+3, 1);
472	access_mask = IVAL(req->vwv+7, 1);
473	file_attributes = IVAL(req->vwv+13, 1);
474	share_access = IVAL(req->vwv+15, 1);
475	create_disposition = IVAL(req->vwv+17, 1);
476	create_options = IVAL(req->vwv+19, 1);
477	root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
478
479	allocation_size = BVAL(req->vwv+9, 1);
480
481	srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
482	STR_TERMINATE, &status);
483
484	if (!NT_STATUS_IS_OK(status)) {
485	reply_nterror(req, status);
486	goto out;
487	}
488
489	DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
490	"file_attributes = 0x%x, share_access = 0x%x, "
491	"create_disposition = 0x%x create_options = 0x%x "
492	"root_dir_fid = 0x%x, fname = %s\n",
493	(unsigned int)flags,
494	(unsigned int)access_mask,
495	(unsigned int)file_attributes,
496	(unsigned int)share_access,
497	(unsigned int)create_disposition,
498	(unsigned int)create_options,
499	(unsigned int)root_dir_fid,
500	fname));
501
502	/*
503	* we need to remove ignored bits when they come directly from the client
504	* because we reuse some of them for internal stuff
505	*/
506	create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
507
508	/*
509	* If it's an IPC, use the pipe handler.
510	*/
511
512	if (IS_IPC(conn)) {
513	if (lp_nt_pipe_support()) {
514	do_ntcreate_pipe_open(conn, req);
515	goto out;
516	}
517	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
518	goto out;
519	}
520
521	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
522	if (oplock_request) {
523	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK)
524	? BATCH_OPLOCK : 0;
525	}
526
527	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
528	case_state = set_posix_case_semantics(ctx, conn);
529	if (!case_state) {
530	reply_nterror(req, NT_STATUS_NO_MEMORY);
531	goto out;
532	}
533	}
534
535	status = filename_convert(ctx,
536	conn,
537	req->flags2 & FLAGS2_DFS_PATHNAMES,
538	fname,
539	0,
540	NULL,
541	&smb_fname);
542
543	TALLOC_FREE(case_state);
544
545	if (!NT_STATUS_IS_OK(status)) {
546	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
547	reply_botherror(req,
548	NT_STATUS_PATH_NOT_COVERED,
549	ERRSRV, ERRbadpath);
550	goto out;
551	}
552	reply_nterror(req, status);
553	goto out;
554	}
555
556	/*
557	* Bug #6898 - clients using Windows opens should
558	* never be able to set this attribute into the
559	* VFS.
560	*/
561	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
562
563	status = SMB_VFS_CREATE_FILE(
564	conn, /* conn */
565	req, /* req */
566	root_dir_fid, /* root_dir_fid */
567	smb_fname, /* fname */
568	access_mask, /* access_mask */
569	share_access, /* share_access */
570	create_disposition, /* create_disposition*/
571	create_options, /* create_options */
572	file_attributes, /* file_attributes */
573	oplock_request, /* oplock_request */
574	allocation_size, /* allocation_size */
575	0, /* private_flags */
576	NULL, /* sd */
577	NULL, /* ea_list */
578	&fsp, /* result */
579	&info); /* pinfo */
580
581	if (!NT_STATUS_IS_OK(status)) {
582	if (open_was_deferred(req->mid)) {
583	/* We have re-scheduled this call, no error. */
584	goto out;
585	}
586	reply_openerror(req, status);
587	goto out;
588	}
589
590	/* Ensure we're pointing at the correct stat struct. */
591	TALLOC_FREE(smb_fname);
592	smb_fname = fsp->fsp_name;
593
594	/*
595	* If the caller set the extended oplock request bit
596	* and we granted one (by whatever means) - set the
597	* correct bit for extended oplock reply.
598	*/
599
600	if (oplock_request &&
601	(lp_fake_oplocks(SNUM(conn))
602	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
603
604	/*
605	* Exclusive oplock granted
606	*/
607
608	if (flags & REQUEST_BATCH_OPLOCK) {
609	oplock_granted = BATCH_OPLOCK_RETURN;
610	} else {
611	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
612	}
613	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
614	oplock_granted = LEVEL_II_OPLOCK_RETURN;
615	} else {
616	oplock_granted = NO_OPLOCK_RETURN;
617	}
618
619	file_len = smb_fname->st.st_ex_size;
620
621	if (flags & EXTENDED_RESPONSE_REQUIRED) {
622	/* This is very strange. We
623	* return 50 words, but only set
624	* the wcnt to 42 ? It's definately
625	* what happens on the wire....
626	*/
627	reply_outbuf(req, 50, 0);
628	SCVAL(req->outbuf,smb_wct,42);
629	} else {
630	reply_outbuf(req, 34, 0);
631	}
632
633	p = (char *)req->outbuf + smb_vwv2;
634
635	SCVAL(p, 0, oplock_granted);
636
637	p++;
638	SSVAL(p,0,fsp->fnum);
639	p += 2;
640	if ((create_disposition == FILE_SUPERSEDE)
641	&& (info == FILE_WAS_OVERWRITTEN)) {
642	SIVAL(p,0,FILE_WAS_SUPERSEDED);
643	} else {
644	SIVAL(p,0,info);
645	}
646	p += 4;
647
648	fattr = dos_mode(conn, smb_fname);
649	if (fattr == 0) {
650	fattr = FILE_ATTRIBUTE_NORMAL;
651	}
652
653	/* Deal with other possible opens having a modified
654	write time. JRA. */
655	ZERO_STRUCT(write_time_ts);
656	get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
657	if (!null_timespec(write_time_ts)) {
658	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
659	}
660
661	/* Create time. */
662	create_timespec = get_create_timespec(conn, fsp, smb_fname);
663	a_timespec = smb_fname->st.st_ex_atime;
664	m_timespec = smb_fname->st.st_ex_mtime;
665	c_timespec = get_change_timespec(conn, fsp, smb_fname);
666
667	if (lp_dos_filetime_resolution(SNUM(conn))) {
668	dos_filetime_timespec(&create_timespec);
669	dos_filetime_timespec(&a_timespec);
670	dos_filetime_timespec(&m_timespec);
671	dos_filetime_timespec(&c_timespec);
672	}
673
674	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
675	p += 8;
676	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
677	p += 8;
678	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
679	p += 8;
680	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
681	p += 8;
682	SIVAL(p,0,fattr); /* File Attributes. */
683	p += 4;
684	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
685	p += 8;
686	SOFF_T(p,0,file_len);
687	p += 8;
688	if (flags & EXTENDED_RESPONSE_REQUIRED) {
689	uint16_t file_status = (NO_EAS\|NO_SUBSTREAMS\|NO_REPARSETAG);
690	size_t num_names = 0;
691	unsigned int num_streams = 0;
692	struct stream_struct *streams = NULL;
693
694	/* Do we have any EA's ? */
695	status = get_ea_names_from_file(ctx, conn, fsp,
696	smb_fname->base_name, NULL, &num_names);
697	if (NT_STATUS_IS_OK(status) && num_names) {
698	file_status &= ~NO_EAS;
699	}
700	status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
701	&num_streams, &streams);
702	/* There is always one stream, ::$DATA. */
703	if (NT_STATUS_IS_OK(status) && num_streams > 1) {
704	file_status &= ~NO_SUBSTREAMS;
705	}
706	TALLOC_FREE(streams);
707	SSVAL(p,2,file_status);
708	}
709	p += 4;
710	SCVAL(p,0,fsp->is_directory ? 1 : 0);
711
712	if (flags & EXTENDED_RESPONSE_REQUIRED) {
713	uint32 perms = 0;
714	p += 25;
715	if (fsp->is_directory \|\|
716	can_write_to_file(conn, smb_fname)) {
717	perms = FILE_GENERIC_ALL;
718	} else {
719	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
720	}
721	SIVAL(p,0,perms);
722	}
723
724	DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
725	fsp->fnum, smb_fname_str_dbg(smb_fname)));
726
727	chain_reply(req);
728	out:
729	END_PROFILE(SMBntcreateX);
730	return;
731	}
732
733	/****************************************************************************
734	Reply to a NT_TRANSACT_CREATE call to open a pipe.
735	****************************************************************************/
736
737	static void do_nt_transact_create_pipe(connection_struct *conn,
738	struct smb_request *req,
739	uint16 **ppsetup, uint32 setup_count,
740	char **ppparams, uint32 parameter_count,
741	char **ppdata, uint32 data_count)
742	{
743	char *fname = NULL;
744	char params = ppparams;
745	int pnum = -1;
746	char *p = NULL;
747	NTSTATUS status;
748	size_t param_len;
749	uint32 flags;
750	TALLOC_CTX *ctx = talloc_tos();
751
752	/*
753	* Ensure minimum number of parameters sent.
754	*/
755
756	if(parameter_count < 54) {
757	DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
758	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
759	return;
760	}
761
762	flags = IVAL(params,0);
763
764	srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
765	parameter_count-53, STR_TERMINATE,
766	&status);
767	if (!NT_STATUS_IS_OK(status)) {
768	reply_nterror(req, status);
769	return;
770	}
771
772	nt_open_pipe(fname, conn, req, &pnum);
773
774	if (req->outbuf) {
775	/* Error return */
776	return;
777	}
778
779	/* Realloc the size of parameters and data we will return */
780	if (flags & EXTENDED_RESPONSE_REQUIRED) {
781	/* Extended response is 32 more byyes. */
782	param_len = 101;
783	} else {
784	param_len = 69;
785	}
786	params = nttrans_realloc(ppparams, param_len);
787	if(params == NULL) {
788	reply_nterror(req, NT_STATUS_NO_MEMORY);
789	return;
790	}
791
792	p = params;
793	SCVAL(p,0,NO_OPLOCK_RETURN);
794
795	p += 2;
796	SSVAL(p,0,pnum);
797	p += 2;
798	SIVAL(p,0,FILE_WAS_OPENED);
799	p += 8;
800
801	p += 32;
802	SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
803	p += 20;
804	/* File type. */
805	SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
806	/* Device state. */
807	SSVAL(p,2, 0x5FF); /* ? */
808	p += 4;
809
810	if (flags & EXTENDED_RESPONSE_REQUIRED) {
811	p += 25;
812	SIVAL(p,0,FILE_GENERIC_ALL);
813	/*
814	* For pipes W2K3 seems to return
815	* 0x12019B next.
816	* This is ((FILE_GENERIC_READ\|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
817	*/
818	SIVAL(p,4,(FILE_GENERIC_READ\|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
819	}
820
821	DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
822
823	/* Send the required number of replies */
824	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
825
826	return;
827	}
828
829	/*********************************************************************
830	Windows seems to do canonicalization of inheritance bits. Do the
831	same.
832	*********************************************************************/
833
834	static void canonicalize_inheritance_bits(struct security_descriptor *psd)
835	{
836	bool set_auto_inherited = false;
837
838	/*
839	* We need to filter out the
840	* SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ
841	* bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
842	* as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
843	* when an ACE is inherited. Otherwise we zero these bits out.
844	* See:
845	*
846	* http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
847	*
848	* for details.
849	*/
850
851	if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ))
852	== (SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
853	set_auto_inherited = true;
854	}
855
856	psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ);
857	if (set_auto_inherited) {
858	psd->type \|= SEC_DESC_DACL_AUTO_INHERITED;
859	}
860	}
861
862	/****************************************************************************
863	Internal fn to set security descriptors.
864	****************************************************************************/
865
866	NTSTATUS set_sd(files_struct fsp, struct security_descriptor psd,
867	uint32_t security_info_sent)
868	{
869	NTSTATUS status;
870
871	if (!CAN_WRITE(fsp->conn)) {
872	return NT_STATUS_ACCESS_DENIED;
873	}
874
875	if (!lp_nt_acl_support(SNUM(fsp->conn))) {
876	return NT_STATUS_OK;
877	}
878
879	if (psd->owner_sid == NULL) {
880	security_info_sent &= ~SECINFO_OWNER;
881	}
882	if (psd->group_sid == NULL) {
883	security_info_sent &= ~SECINFO_GROUP;
884	}
885
886	/* Ensure we have at least one thing set. */
887	if ((security_info_sent & (SECINFO_OWNER\|SECINFO_GROUP\|SECINFO_DACL\|SECINFO_SACL)) == 0) {
888	if (security_info_sent & SECINFO_LABEL) {
889	/* Only consider SECINFO_LABEL if no other
890	bits are set. Just like W2K3 we don't
891	store this. */
892	return NT_STATUS_OK;
893	}
894	return NT_STATUS_INVALID_PARAMETER;
895	}
896
897	/* Ensure we have the rights to do this. */
898	if (security_info_sent & SECINFO_OWNER) {
899	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
900	return NT_STATUS_ACCESS_DENIED;
901	}
902	}
903
904	if (security_info_sent & SECINFO_GROUP) {
905	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
906	return NT_STATUS_ACCESS_DENIED;
907	}
908	}
909
910	if (security_info_sent & SECINFO_DACL) {
911	if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
912	return NT_STATUS_ACCESS_DENIED;
913	}
914	/* Convert all the generic bits. */
915	if (psd->dacl) {
916	security_acl_map_generic(psd->dacl, &file_generic_mapping);
917	}
918	}
919
920	if (security_info_sent & SECINFO_SACL) {
921	if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
922	return NT_STATUS_ACCESS_DENIED;
923	}
924	/* Convert all the generic bits. */
925	if (psd->sacl) {
926	security_acl_map_generic(psd->sacl, &file_generic_mapping);
927	}
928	}
929
930	canonicalize_inheritance_bits(psd);
931
932	if (DEBUGLEVEL >= 10) {
933	DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
934	NDR_PRINT_DEBUG(security_descriptor, psd);
935	}
936
937	status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
938
939	TALLOC_FREE(psd);
940
941	return status;
942	}
943
944	/****************************************************************************
945	Internal fn to set security descriptors from a data blob.
946	****************************************************************************/
947
948	NTSTATUS set_sd_blob(files_struct fsp, uint8_t data, uint32_t sd_len,
949	uint32_t security_info_sent)
950	{
951	struct security_descriptor *psd = NULL;
952	NTSTATUS status;
953
954	if (sd_len == 0) {
955	return NT_STATUS_INVALID_PARAMETER;
956	}
957
958	status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
959
960	if (!NT_STATUS_IS_OK(status)) {
961	return status;
962	}
963
964	return set_sd(fsp, psd, security_info_sent);
965	}
966
967	/****************************************************************************
968	Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
969	****************************************************************************/
970
971	struct ea_list read_nttrans_ea_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
972	{
973	struct ea_list *ea_list_head = NULL;
974	size_t offset = 0;
975
976	if (data_size < 4) {
977	return NULL;
978	}
979
980	while (offset + 4 <= data_size) {
981	size_t next_offset = IVAL(pdata,offset);
982	struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
983
984	if (!eal) {
985	return NULL;
986	}
987
988	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
989	if (next_offset == 0) {
990	break;
991	}
992	offset += next_offset;
993	}
994
995	return ea_list_head;
996	}
997
998	/****************************************************************************
999	Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1000	****************************************************************************/
1001
1002	static void call_nt_transact_create(connection_struct *conn,
1003	struct smb_request *req,
1004	uint16 **ppsetup, uint32 setup_count,
1005	char **ppparams, uint32 parameter_count,
1006	char **ppdata, uint32 data_count,
1007	uint32 max_data_count)
1008	{
1009	struct smb_filename *smb_fname = NULL;
1010	char *fname = NULL;
1011	char params = ppparams;
1012	char data = ppdata;
1013	/* Breakout the oplock request bits so we can set the reply bits separately. */
1014	uint32 fattr=0;
1015	SMB_OFF_T file_len = 0;
1016	int info = 0;
1017	files_struct *fsp = NULL;
1018	char *p = NULL;
1019	uint32 flags;
1020	uint32 access_mask;
1021	uint32 file_attributes;
1022	uint32 share_access;
1023	uint32 create_disposition;
1024	uint32 create_options;
1025	uint32 sd_len;
1026	struct security_descriptor *sd = NULL;
1027	uint32 ea_len;
1028	uint16 root_dir_fid;
1029	struct timespec create_timespec;
1030	struct timespec c_timespec;
1031	struct timespec a_timespec;
1032	struct timespec m_timespec;
1033	struct timespec write_time_ts;
1034	struct ea_list *ea_list = NULL;
1035	NTSTATUS status;
1036	size_t param_len;
1037	uint64_t allocation_size;
1038	int oplock_request;
1039	uint8_t oplock_granted;
1040	struct case_semantics_state *case_state = NULL;
1041	TALLOC_CTX *ctx = talloc_tos();
1042
1043	DEBUG(5,("call_nt_transact_create\n"));
1044
1045	/*
1046	* If it's an IPC, use the pipe handler.
1047	*/
1048
1049	if (IS_IPC(conn)) {
1050	if (lp_nt_pipe_support()) {
1051	do_nt_transact_create_pipe(
1052	conn, req,
1053	ppsetup, setup_count,
1054	ppparams, parameter_count,
1055	ppdata, data_count);
1056	goto out;
1057	}
1058	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1059	goto out;
1060	}
1061
1062	/*
1063	* Ensure minimum number of parameters sent.
1064	*/
1065
1066	if(parameter_count < 54) {
1067	DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1068	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1069	goto out;
1070	}
1071
1072	flags = IVAL(params,0);
1073	access_mask = IVAL(params,8);
1074	file_attributes = IVAL(params,20);
1075	share_access = IVAL(params,24);
1076	create_disposition = IVAL(params,28);
1077	create_options = IVAL(params,32);
1078	sd_len = IVAL(params,36);
1079	ea_len = IVAL(params,40);
1080	root_dir_fid = (uint16)IVAL(params,4);
1081	allocation_size = BVAL(params,12);
1082
1083	/*
1084	* we need to remove ignored bits when they come directly from the client
1085	* because we reuse some of them for internal stuff
1086	*/
1087	create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1088
1089	/* Ensure the data_len is correct for the sd and ea values given. */
1090	if ((ea_len + sd_len > data_count)
1091	\|\| (ea_len > data_count) \|\| (sd_len > data_count)
1092	\|\| (ea_len + sd_len < ea_len) \|\| (ea_len + sd_len < sd_len)) {
1093	DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1094	"%u, data_count = %u\n", (unsigned int)ea_len,
1095	(unsigned int)sd_len, (unsigned int)data_count));
1096	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1097	goto out;
1098	}
1099
1100	if (sd_len) {
1101	DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1102	sd_len));
1103
1104	status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1105	&sd);
1106	if (!NT_STATUS_IS_OK(status)) {
1107	DEBUG(10, ("call_nt_transact_create: "
1108	"unmarshall_sec_desc failed: %s\n",
1109	nt_errstr(status)));
1110	reply_nterror(req, status);
1111	goto out;
1112	}
1113	}
1114
1115	if (ea_len) {
1116	if (!lp_ea_support(SNUM(conn))) {
1117	DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1118	"EA's not supported.\n",
1119	(unsigned int)ea_len));
1120	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1121	goto out;
1122	}
1123
1124	if (ea_len < 10) {
1125	DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1126	"too small (should be more than 10)\n",
1127	(unsigned int)ea_len ));
1128	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1129	goto out;
1130	}
1131
1132	/* We have already checked that ea_len <= data_count here. */
1133	ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1134	ea_len);
1135	if (ea_list == NULL) {
1136	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1137	goto out;
1138	}
1139	}
1140
1141	srvstr_get_path(ctx, params, req->flags2, &fname,
1142	params+53, parameter_count-53,
1143	STR_TERMINATE, &status);
1144	if (!NT_STATUS_IS_OK(status)) {
1145	reply_nterror(req, status);
1146	goto out;
1147	}
1148
1149	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1150	case_state = set_posix_case_semantics(ctx, conn);
1151	if (!case_state) {
1152	reply_nterror(req, NT_STATUS_NO_MEMORY);
1153	goto out;
1154	}
1155	}
1156
1157	status = filename_convert(ctx,
1158	conn,
1159	req->flags2 & FLAGS2_DFS_PATHNAMES,
1160	fname,
1161	0,
1162	NULL,
1163	&smb_fname);
1164
1165	TALLOC_FREE(case_state);
1166
1167	if (!NT_STATUS_IS_OK(status)) {
1168	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1169	reply_botherror(req,
1170	NT_STATUS_PATH_NOT_COVERED,
1171	ERRSRV, ERRbadpath);
1172	goto out;
1173	}
1174	reply_nterror(req, status);
1175	goto out;
1176	}
1177
1178	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1179	if (oplock_request) {
1180	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK)
1181	? BATCH_OPLOCK : 0;
1182	}
1183
1184	/*
1185	* Bug #6898 - clients using Windows opens should
1186	* never be able to set this attribute into the
1187	* VFS.
1188	*/
1189	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1190
1191	status = SMB_VFS_CREATE_FILE(
1192	conn, /* conn */
1193	req, /* req */
1194	root_dir_fid, /* root_dir_fid */
1195	smb_fname, /* fname */
1196	access_mask, /* access_mask */
1197	share_access, /* share_access */
1198	create_disposition, /* create_disposition*/
1199	create_options, /* create_options */
1200	file_attributes, /* file_attributes */
1201	oplock_request, /* oplock_request */
1202	allocation_size, /* allocation_size */
1203	0, /* private_flags */
1204	sd, /* sd */
1205	ea_list, /* ea_list */
1206	&fsp, /* result */
1207	&info); /* pinfo */
1208
1209	if(!NT_STATUS_IS_OK(status)) {
1210	if (open_was_deferred(req->mid)) {
1211	/* We have re-scheduled this call, no error. */
1212	return;
1213	}
1214	reply_openerror(req, status);
1215	goto out;
1216	}
1217
1218	/* Ensure we're pointing at the correct stat struct. */
1219	TALLOC_FREE(smb_fname);
1220	smb_fname = fsp->fsp_name;
1221
1222	/*
1223	* If the caller set the extended oplock request bit
1224	* and we granted one (by whatever means) - set the
1225	* correct bit for extended oplock reply.
1226	*/
1227
1228	if (oplock_request &&
1229	(lp_fake_oplocks(SNUM(conn))
1230	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1231
1232	/*
1233	* Exclusive oplock granted
1234	*/
1235
1236	if (flags & REQUEST_BATCH_OPLOCK) {
1237	oplock_granted = BATCH_OPLOCK_RETURN;
1238	} else {
1239	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1240	}
1241	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1242	oplock_granted = LEVEL_II_OPLOCK_RETURN;
1243	} else {
1244	oplock_granted = NO_OPLOCK_RETURN;
1245	}
1246
1247	file_len = smb_fname->st.st_ex_size;
1248
1249	/* Realloc the size of parameters and data we will return */
1250	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1251	/* Extended response is 32 more byyes. */
1252	param_len = 101;
1253	} else {
1254	param_len = 69;
1255	}
1256	params = nttrans_realloc(ppparams, param_len);
1257	if(params == NULL) {
1258	reply_nterror(req, NT_STATUS_NO_MEMORY);
1259	goto out;
1260	}
1261
1262	p = params;
1263	SCVAL(p, 0, oplock_granted);
1264
1265	p += 2;
1266	SSVAL(p,0,fsp->fnum);
1267	p += 2;
1268	if ((create_disposition == FILE_SUPERSEDE)
1269	&& (info == FILE_WAS_OVERWRITTEN)) {
1270	SIVAL(p,0,FILE_WAS_SUPERSEDED);
1271	} else {
1272	SIVAL(p,0,info);
1273	}
1274	p += 8;
1275
1276	fattr = dos_mode(conn, smb_fname);
1277	if (fattr == 0) {
1278	fattr = FILE_ATTRIBUTE_NORMAL;
1279	}
1280
1281	/* Deal with other possible opens having a modified
1282	write time. JRA. */
1283	ZERO_STRUCT(write_time_ts);
1284	get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
1285	if (!null_timespec(write_time_ts)) {
1286	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1287	}
1288
1289	/* Create time. */
1290	create_timespec = get_create_timespec(conn, fsp, smb_fname);
1291	a_timespec = smb_fname->st.st_ex_atime;
1292	m_timespec = smb_fname->st.st_ex_mtime;
1293	c_timespec = get_change_timespec(conn, fsp, smb_fname);
1294
1295	if (lp_dos_filetime_resolution(SNUM(conn))) {
1296	dos_filetime_timespec(&create_timespec);
1297	dos_filetime_timespec(&a_timespec);
1298	dos_filetime_timespec(&m_timespec);
1299	dos_filetime_timespec(&c_timespec);
1300	}
1301
1302	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1303	p += 8;
1304	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1305	p += 8;
1306	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1307	p += 8;
1308	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1309	p += 8;
1310	SIVAL(p,0,fattr); /* File Attributes. */
1311	p += 4;
1312	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1313	p += 8;
1314	SOFF_T(p,0,file_len);
1315	p += 8;
1316	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1317	uint16_t file_status = (NO_EAS\|NO_SUBSTREAMS\|NO_REPARSETAG);
1318	size_t num_names = 0;
1319	unsigned int num_streams = 0;
1320	struct stream_struct *streams = NULL;
1321
1322	/* Do we have any EA's ? */
1323	status = get_ea_names_from_file(ctx, conn, fsp,
1324	smb_fname->base_name, NULL, &num_names);
1325	if (NT_STATUS_IS_OK(status) && num_names) {
1326	file_status &= ~NO_EAS;
1327	}
1328	status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
1329	&num_streams, &streams);
1330	/* There is always one stream, ::$DATA. */
1331	if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1332	file_status &= ~NO_SUBSTREAMS;
1333	}
1334	TALLOC_FREE(streams);
1335	SSVAL(p,2,file_status);
1336	}
1337	p += 4;
1338	SCVAL(p,0,fsp->is_directory ? 1 : 0);
1339
1340	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1341	uint32 perms = 0;
1342	p += 25;
1343	if (fsp->is_directory \|\|
1344	can_write_to_file(conn, smb_fname)) {
1345	perms = FILE_GENERIC_ALL;
1346	} else {
1347	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
1348	}
1349	SIVAL(p,0,perms);
1350	}
1351
1352	DEBUG(5,("call_nt_transact_create: open name = %s\n",
1353	smb_fname_str_dbg(smb_fname)));
1354
1355	/* Send the required number of replies */
1356	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1357	out:
1358	return;
1359	}
1360
1361	/****************************************************************************
1362	Reply to a NT CANCEL request.
1363	conn POINTER CAN BE NULL HERE !
1364	****************************************************************************/
1365
1366	void reply_ntcancel(struct smb_request *req)
1367	{
1368	/*
1369	* Go through and cancel any pending change notifies.
1370	*/
1371
1372	START_PROFILE(SMBntcancel);
1373	srv_cancel_sign_response(req->sconn);
1374	remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1375	remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1376
1377	DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1378	(unsigned long long)req->mid));
1379
1380	END_PROFILE(SMBntcancel);
1381	return;
1382	}
1383
1384	/****************************************************************************
1385	Copy a file.
1386	****************************************************************************/
1387
1388	static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1389	connection_struct *conn,
1390	struct smb_request *req,
1391	struct smb_filename *smb_fname_src,
1392	struct smb_filename *smb_fname_dst,
1393	uint32 attrs)
1394	{
1395	files_struct fsp1,fsp2;
1396	uint32 fattr;
1397	int info;
1398	SMB_OFF_T ret=-1;
1399	NTSTATUS status = NT_STATUS_OK;
1400	char *parent;
1401
1402	if (!CAN_WRITE(conn)) {
1403	status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1404	goto out;
1405	}
1406
1407	/* Source must already exist. */
1408	if (!VALID_STAT(smb_fname_src->st)) {
1409	status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1410	goto out;
1411	}
1412
1413	/* Ensure attributes match. */
1414	fattr = dos_mode(conn, smb_fname_src);
1415	if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN \| FILE_ATTRIBUTE_SYSTEM)) {
1416	status = NT_STATUS_NO_SUCH_FILE;
1417	goto out;
1418	}
1419
1420	/* Disallow if dst file already exists. */
1421	if (VALID_STAT(smb_fname_dst->st)) {
1422	status = NT_STATUS_OBJECT_NAME_COLLISION;
1423	goto out;
1424	}
1425
1426	/* No links from a directory. */
1427	if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1428	status = NT_STATUS_FILE_IS_A_DIRECTORY;
1429	goto out;
1430	}
1431
1432	DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1433	smb_fname_str_dbg(smb_fname_src),
1434	smb_fname_str_dbg(smb_fname_dst)));
1435
1436	status = SMB_VFS_CREATE_FILE(
1437	conn, /* conn */
1438	req, /* req */
1439	0, /* root_dir_fid */
1440	smb_fname_src, /* fname */
1441	FILE_READ_DATA\|FILE_READ_ATTRIBUTES\|
1442	FILE_READ_EA, /* access_mask */
1443	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1444	FILE_SHARE_DELETE),
1445	FILE_OPEN, /* create_disposition*/
1446	0, /* create_options */
1447	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1448	NO_OPLOCK, /* oplock_request */
1449	0, /* allocation_size */
1450	0, /* private_flags */
1451	NULL, /* sd */
1452	NULL, /* ea_list */
1453	&fsp1, /* result */
1454	&info); /* pinfo */
1455
1456	if (!NT_STATUS_IS_OK(status)) {
1457	goto out;
1458	}
1459
1460	status = SMB_VFS_CREATE_FILE(
1461	conn, /* conn */
1462	req, /* req */
1463	0, /* root_dir_fid */
1464	smb_fname_dst, /* fname */
1465	FILE_WRITE_DATA\|FILE_WRITE_ATTRIBUTES\|
1466	FILE_WRITE_EA, /* access_mask */
1467	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1468	FILE_SHARE_DELETE),
1469	FILE_CREATE, /* create_disposition*/
1470	0, /* create_options */
1471	fattr, /* file_attributes */
1472	NO_OPLOCK, /* oplock_request */
1473	0, /* allocation_size */
1474	0, /* private_flags */
1475	NULL, /* sd */
1476	NULL, /* ea_list */
1477	&fsp2, /* result */
1478	&info); /* pinfo */
1479
1480	if (!NT_STATUS_IS_OK(status)) {
1481	close_file(NULL, fsp1, ERROR_CLOSE);
1482	goto out;
1483	}
1484
1485	if (smb_fname_src->st.st_ex_size) {
1486	ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1487	}
1488
1489	/*
1490	* As we are opening fsp1 read-only we only expect
1491	* an error on close on fsp2 if we are out of space.
1492	* Thus we don't look at the error return from the
1493	* close of fsp1.
1494	*/
1495	close_file(NULL, fsp1, NORMAL_CLOSE);
1496
1497	/* Ensure the modtime is set correctly on the destination file. */
1498	set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1499
1500	status = close_file(NULL, fsp2, NORMAL_CLOSE);
1501
1502	/* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1503	creates the file. This isn't the correct thing to do in the copy
1504	case. JRA */
1505	if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1506	NULL)) {
1507	status = NT_STATUS_NO_MEMORY;
1508	goto out;
1509	}
1510	file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1511	TALLOC_FREE(parent);
1512
1513	if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1514	status = NT_STATUS_DISK_FULL;
1515	goto out;
1516	}
1517	out:
1518	if (!NT_STATUS_IS_OK(status)) {
1519	DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1520	nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1521	smb_fname_str_dbg(smb_fname_dst)));
1522	}
1523
1524	return status;
1525	}
1526
1527	/****************************************************************************
1528	Reply to a NT rename request.
1529	****************************************************************************/
1530
1531	void reply_ntrename(struct smb_request *req)
1532	{
1533	connection_struct *conn = req->conn;
1534	struct smb_filename *smb_fname_old = NULL;
1535	struct smb_filename *smb_fname_new = NULL;
1536	char *oldname = NULL;
1537	char *newname = NULL;
1538	const char *p;
1539	NTSTATUS status;
1540	bool src_has_wcard = False;
1541	bool dest_has_wcard = False;
1542	uint32 attrs;
1543	uint32_t ucf_flags_src = 0;
1544	uint32_t ucf_flags_dst = 0;
1545	uint16 rename_type;
1546	TALLOC_CTX *ctx = talloc_tos();
1547	bool stream_rename = false;
1548
1549	START_PROFILE(SMBntrename);
1550
1551	if (req->wct < 4) {
1552	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1553	goto out;
1554	}
1555
1556	attrs = SVAL(req->vwv+0, 0);
1557	rename_type = SVAL(req->vwv+1, 0);
1558
1559	p = (const char *)req->buf + 1;
1560	p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1561	&status, &src_has_wcard);
1562	if (!NT_STATUS_IS_OK(status)) {
1563	reply_nterror(req, status);
1564	goto out;
1565	}
1566
1567	if (ms_has_wild(oldname)) {
1568	reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1569	goto out;
1570	}
1571
1572	p++;
1573	p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1574	&status, &dest_has_wcard);
1575	if (!NT_STATUS_IS_OK(status)) {
1576	reply_nterror(req, status);
1577	goto out;
1578	}
1579
1580	if (!lp_posix_pathnames()) {
1581	/* The newname must begin with a ':' if the
1582	oldname contains a ':'. */
1583	if (strchr_m(oldname, ':')) {
1584	if (newname[0] != ':') {
1585	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1586	goto out;
1587	}
1588	stream_rename = true;
1589	}
1590	}
1591
1592	/*
1593	* If this is a rename operation, allow wildcards and save the
1594	* destination's last component.
1595	*/
1596	if (rename_type == RENAME_FLAG_RENAME) {
1597	ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1598	ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP \| UCF_SAVE_LCOMP;
1599	}
1600
1601	/* rename_internals() calls unix_convert(), so don't call it here. */
1602	status = filename_convert(ctx, conn,
1603	req->flags2 & FLAGS2_DFS_PATHNAMES,
1604	oldname,
1605	ucf_flags_src,
1606	NULL,
1607	&smb_fname_old);
1608	if (!NT_STATUS_IS_OK(status)) {
1609	if (NT_STATUS_EQUAL(status,
1610	NT_STATUS_PATH_NOT_COVERED)) {
1611	reply_botherror(req,
1612	NT_STATUS_PATH_NOT_COVERED,
1613	ERRSRV, ERRbadpath);
1614	goto out;
1615	}
1616	reply_nterror(req, status);
1617	goto out;
1618	}
1619
1620	status = filename_convert(ctx, conn,
1621	req->flags2 & FLAGS2_DFS_PATHNAMES,
1622	newname,
1623	ucf_flags_dst,
1624	&dest_has_wcard,
1625	&smb_fname_new);
1626	if (!NT_STATUS_IS_OK(status)) {
1627	if (NT_STATUS_EQUAL(status,
1628	NT_STATUS_PATH_NOT_COVERED)) {
1629	reply_botherror(req,
1630	NT_STATUS_PATH_NOT_COVERED,
1631	ERRSRV, ERRbadpath);
1632	goto out;
1633	}
1634	reply_nterror(req, status);
1635	goto out;
1636	}
1637
1638	if (stream_rename) {
1639	/* smb_fname_new must be the same as smb_fname_old. */
1640	TALLOC_FREE(smb_fname_new->base_name);
1641	smb_fname_new->base_name = talloc_strdup(smb_fname_new,
1642	smb_fname_old->base_name);
1643	if (!smb_fname_new->base_name) {
1644	reply_nterror(req, NT_STATUS_NO_MEMORY);
1645	goto out;
1646	}
1647	}
1648
1649	DEBUG(3,("reply_ntrename: %s -> %s\n",
1650	smb_fname_str_dbg(smb_fname_old),
1651	smb_fname_str_dbg(smb_fname_new)));
1652
1653	switch(rename_type) {
1654	case RENAME_FLAG_RENAME:
1655	status = rename_internals(ctx, conn, req,
1656	smb_fname_old, smb_fname_new,
1657	attrs, False, src_has_wcard,
1658	dest_has_wcard,
1659	DELETE_ACCESS);
1660	break;
1661	case RENAME_FLAG_HARD_LINK:
1662	if (src_has_wcard \|\| dest_has_wcard) {
1663	/* No wildcards. */
1664	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1665	} else {
1666	status = hardlink_internals(ctx, conn,
1667	req,
1668	false,
1669	smb_fname_old,
1670	smb_fname_new);
1671	}
1672	break;
1673	case RENAME_FLAG_COPY:
1674	if (src_has_wcard \|\| dest_has_wcard) {
1675	/* No wildcards. */
1676	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1677	} else {
1678	status = copy_internals(ctx, conn, req,
1679	smb_fname_old,
1680	smb_fname_new,
1681	attrs);
1682	}
1683	break;
1684	case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1685	status = NT_STATUS_INVALID_PARAMETER;
1686	break;
1687	default:
1688	status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1689	break;
1690	}
1691
1692	if (!NT_STATUS_IS_OK(status)) {
1693	if (open_was_deferred(req->mid)) {
1694	/* We have re-scheduled this call. */
1695	goto out;
1696	}
1697
1698	reply_nterror(req, status);
1699	goto out;
1700	}
1701
1702	reply_outbuf(req, 0, 0);
1703	out:
1704	END_PROFILE(SMBntrename);
1705	return;
1706	}
1707
1708	/****************************************************************************
1709	Reply to a notify change - queue the request and
1710	don't allow a directory to be opened.
1711	****************************************************************************/
1712
1713	static void smbd_smb1_notify_reply(struct smb_request *req,
1714	NTSTATUS error_code,
1715	uint8_t *buf, size_t len)
1716	{
1717	send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1718	}
1719
1720	static void call_nt_transact_notify_change(connection_struct *conn,
1721	struct smb_request *req,
1722	uint16 **ppsetup,
1723	uint32 setup_count,
1724	char **ppparams,
1725	uint32 parameter_count,
1726	char **ppdata, uint32 data_count,
1727	uint32 max_data_count,
1728	uint32 max_param_count)
1729	{
1730	uint16 setup = ppsetup;
1731	files_struct *fsp;
1732	uint32 filter;
1733	NTSTATUS status;
1734	bool recursive;
1735
1736	if(setup_count < 6) {
1737	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1738	return;
1739	}
1740
1741	fsp = file_fsp(req, SVAL(setup,4));
1742	filter = IVAL(setup, 0);
1743	recursive = (SVAL(setup, 6) != 0) ? True : False;
1744
1745	DEBUG(3,("call_nt_transact_notify_change\n"));
1746
1747	if(!fsp) {
1748	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1749	return;
1750	}
1751
1752	{
1753	char *filter_string;
1754
1755	if (!(filter_string = notify_filter_string(NULL, filter))) {
1756	reply_nterror(req,NT_STATUS_NO_MEMORY);
1757	return;
1758	}
1759
1760	DEBUG(3,("call_nt_transact_notify_change: notify change "
1761	"called on %s, filter = %s, recursive = %d\n",
1762	fsp_str_dbg(fsp), filter_string, recursive));
1763
1764	TALLOC_FREE(filter_string);
1765	}
1766
1767	if((!fsp->is_directory) \|\| (conn != fsp->conn)) {
1768	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1769	return;
1770	}
1771
1772	if (fsp->notify == NULL) {
1773
1774	status = change_notify_create(fsp, filter, recursive);
1775
1776	if (!NT_STATUS_IS_OK(status)) {
1777	DEBUG(10, ("change_notify_create returned %s\n",
1778	nt_errstr(status)));
1779	reply_nterror(req, status);
1780	return;
1781	}
1782	}
1783
1784	if (fsp->notify->num_changes != 0) {
1785
1786	/*
1787	* We've got changes pending, respond immediately
1788	*/
1789
1790	/*
1791	* TODO: write a torture test to check the filtering behaviour
1792	* here.
1793	*/
1794
1795	change_notify_reply(req,
1796	NT_STATUS_OK,
1797	max_param_count,
1798	fsp->notify,
1799	smbd_smb1_notify_reply);
1800
1801	/*
1802	* change_notify_reply() above has independently sent its
1803	* results
1804	*/
1805	return;
1806	}
1807
1808	/*
1809	* No changes pending, queue the request
1810	*/
1811
1812	status = change_notify_add_request(req,
1813	max_param_count,
1814	filter,
1815	recursive, fsp,
1816	smbd_smb1_notify_reply);
1817	if (!NT_STATUS_IS_OK(status)) {
1818	reply_nterror(req, status);
1819	}
1820	return;
1821	}
1822
1823	/****************************************************************************
1824	Reply to an NT transact rename command.
1825	****************************************************************************/
1826
1827	static void call_nt_transact_rename(connection_struct *conn,
1828	struct smb_request *req,
1829	uint16 **ppsetup, uint32 setup_count,
1830	char **ppparams, uint32 parameter_count,
1831	char **ppdata, uint32 data_count,
1832	uint32 max_data_count)
1833	{
1834	char params = ppparams;
1835	char *new_name = NULL;
1836	files_struct *fsp = NULL;
1837	bool dest_has_wcard = False;
1838	NTSTATUS status;
1839	TALLOC_CTX *ctx = talloc_tos();
1840
1841	if(parameter_count < 5) {
1842	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1843	return;
1844	}
1845
1846	fsp = file_fsp(req, SVAL(params, 0));
1847	if (!check_fsp(conn, req, fsp)) {
1848	return;
1849	}
1850	srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1851	parameter_count - 4,
1852	STR_TERMINATE, &status, &dest_has_wcard);
1853	if (!NT_STATUS_IS_OK(status)) {
1854	reply_nterror(req, status);
1855	return;
1856	}
1857
1858	/*
1859	* W2K3 ignores this request as the RAW-RENAME test
1860	* demonstrates, so we do.
1861	*/
1862	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1863
1864	DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1865	fsp_str_dbg(fsp), new_name));
1866
1867	return;
1868	}
1869
1870	/******************************************************************************
1871	Fake up a completely empty SD.
1872	*******************************************************************************/
1873
1874	static NTSTATUS get_null_nt_acl(TALLOC_CTX mem_ctx, struct security_descriptor *ppsd)
1875	{
1876	size_t sd_size;
1877
1878	*ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1879	if(!*ppsd) {
1880	DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1881	return NT_STATUS_NO_MEMORY;
1882	}
1883
1884	return NT_STATUS_OK;
1885	}
1886
1887	/****************************************************************************
1888	Reply to query a security descriptor.
1889	Callable from SMB2 and SMB2.
1890	If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1891	the required size.
1892	****************************************************************************/
1893
1894	NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1895	TALLOC_CTX *mem_ctx,
1896	files_struct *fsp,
1897	uint32_t security_info_wanted,
1898	uint32_t max_data_count,
1899	uint8_t **ppmarshalled_sd,
1900	size_t *psd_size)
1901	{
1902	NTSTATUS status;
1903	struct security_descriptor *psd = NULL;
1904
1905	/*
1906	* Get the permissions to return.
1907	*/
1908
1909	if ((security_info_wanted & SECINFO_SACL) &&
1910	!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1911	return NT_STATUS_ACCESS_DENIED;
1912	}
1913
1914	if ((security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|SECINFO_GROUP)) &&
1915	!(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1916	return NT_STATUS_ACCESS_DENIED;
1917	}
1918
1919	if (security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|
1920	SECINFO_GROUP\|SECINFO_SACL)) {
1921	/* Don't return SECINFO_LABEL if anything else was
1922	requested. See bug #8458. */
1923	security_info_wanted &= ~SECINFO_LABEL;
1924	}
1925
1926	if (!lp_nt_acl_support(SNUM(conn))) {
1927	status = get_null_nt_acl(mem_ctx, &psd);
1928	} else if (security_info_wanted & SECINFO_LABEL) {
1929	/* Like W2K3 return a null object. */
1930	status = get_null_nt_acl(mem_ctx, &psd);
1931	} else {
1932	status = SMB_VFS_FGET_NT_ACL(
1933	fsp, security_info_wanted, &psd);
1934	}
1935	if (!NT_STATUS_IS_OK(status)) {
1936	return status;
1937	}
1938
1939	if (!(security_info_wanted & SECINFO_OWNER)) {
1940	psd->owner_sid = NULL;
1941	}
1942	if (!(security_info_wanted & SECINFO_GROUP)) {
1943	psd->group_sid = NULL;
1944	}
1945	if (!(security_info_wanted & SECINFO_DACL)) {
1946	psd->type &= ~SEC_DESC_DACL_PRESENT;
1947	psd->dacl = NULL;
1948	}
1949	if (!(security_info_wanted & SECINFO_SACL)) {
1950	psd->type &= ~SEC_DESC_SACL_PRESENT;
1951	psd->sacl = NULL;
1952	}
1953
1954	/* If the SACL/DACL is NULL, but was requested, we mark that it is
1955	* present in the reply to match Windows behavior */
1956	if (psd->sacl == NULL &&
1957	security_info_wanted & SECINFO_SACL)
1958	psd->type \|= SEC_DESC_SACL_PRESENT;
1959	if (psd->dacl == NULL &&
1960	security_info_wanted & SECINFO_DACL)
1961	psd->type \|= SEC_DESC_DACL_PRESENT;
1962
1963	if (security_info_wanted & SECINFO_LABEL) {
1964	/* Like W2K3 return a null object. */
1965	psd->owner_sid = NULL;
1966	psd->group_sid = NULL;
1967	psd->dacl = NULL;
1968	psd->sacl = NULL;
1969	psd->type &= ~(SEC_DESC_DACL_PRESENT\|SEC_DESC_SACL_PRESENT);
1970	}
1971
1972	*psd_size = ndr_size_security_descriptor(psd, 0);
1973
1974	DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1975	(unsigned long)*psd_size));
1976
1977	if (DEBUGLEVEL >= 10) {
1978	DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1979	fsp_str_dbg(fsp)));
1980	NDR_PRINT_DEBUG(security_descriptor, psd);
1981	}
1982
1983	if (max_data_count < *psd_size) {
1984	TALLOC_FREE(psd);
1985	return NT_STATUS_BUFFER_TOO_SMALL;
1986	}
1987
1988	status = marshall_sec_desc(mem_ctx, psd,
1989	ppmarshalled_sd, psd_size);
1990
1991	if (!NT_STATUS_IS_OK(status)) {
1992	TALLOC_FREE(psd);
1993	return status;
1994	}
1995
1996	TALLOC_FREE(psd);
1997	return NT_STATUS_OK;
1998	}
1999
2000	/****************************************************************************
2001	SMB1 reply to query a security descriptor.
2002	****************************************************************************/
2003
2004	static void call_nt_transact_query_security_desc(connection_struct *conn,
2005	struct smb_request *req,
2006	uint16 **ppsetup,
2007	uint32 setup_count,
2008	char **ppparams,
2009	uint32 parameter_count,
2010	char **ppdata,
2011	uint32 data_count,
2012	uint32 max_data_count)
2013	{
2014	char params = ppparams;
2015	char data = ppdata;
2016	size_t sd_size = 0;
2017	uint32 security_info_wanted;
2018	files_struct *fsp = NULL;
2019	NTSTATUS status;
2020	uint8_t *marshalled_sd = NULL;
2021
2022	if(parameter_count < 8) {
2023	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2024	return;
2025	}
2026
2027	fsp = file_fsp(req, SVAL(params,0));
2028	if(!fsp) {
2029	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2030	return;
2031	}
2032
2033	security_info_wanted = IVAL(params,4);
2034
2035	DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2036	"info_wanted = 0x%x\n", fsp_str_dbg(fsp),
2037	(unsigned int)security_info_wanted));
2038
2039	params = nttrans_realloc(ppparams, 4);
2040	if(params == NULL) {
2041	reply_nterror(req, NT_STATUS_NO_MEMORY);
2042	return;
2043	}
2044
2045	/*
2046	* Get the permissions to return.
2047	*/
2048
2049	status = smbd_do_query_security_desc(conn,
2050	talloc_tos(),
2051	fsp,
2052	security_info_wanted,
2053	max_data_count,
2054	&marshalled_sd,
2055	&sd_size);
2056
2057	if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
2058	SIVAL(params,0,(uint32_t)sd_size);
2059	send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2060	params, 4, NULL, 0);
2061	return;
2062	}
2063
2064	if (!NT_STATUS_IS_OK(status)) {
2065	reply_nterror(req, status);
2066	return;
2067	}
2068
2069	SMB_ASSERT(sd_size > 0);
2070
2071	SIVAL(params,0,(uint32_t)sd_size);
2072
2073	if (max_data_count < sd_size) {
2074	send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2075	params, 4, NULL, 0);
2076	return;
2077	}
2078
2079	/*
2080	* Allocate the data we will return.
2081	*/
2082
2083	data = nttrans_realloc(ppdata, sd_size);
2084	if(data == NULL) {
2085	reply_nterror(req, NT_STATUS_NO_MEMORY);
2086	return;
2087	}
2088
2089	memcpy(data, marshalled_sd, sd_size);
2090
2091	send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2092
2093	return;
2094	}
2095
2096	/****************************************************************************
2097	Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2098	****************************************************************************/
2099
2100	static void call_nt_transact_set_security_desc(connection_struct *conn,
2101	struct smb_request *req,
2102	uint16 **ppsetup,
2103	uint32 setup_count,
2104	char **ppparams,
2105	uint32 parameter_count,
2106	char **ppdata,
2107	uint32 data_count,
2108	uint32 max_data_count)
2109	{
2110	char params= ppparams;
2111	char data = ppdata;
2112	files_struct *fsp = NULL;
2113	uint32 security_info_sent = 0;
2114	NTSTATUS status;
2115
2116	if(parameter_count < 8) {
2117	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2118	return;
2119	}
2120
2121	if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2122	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2123	return;
2124	}
2125
2126	if (!CAN_WRITE(fsp->conn)) {
2127	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2128	return;
2129	}
2130
2131	if(!lp_nt_acl_support(SNUM(conn))) {
2132	goto done;
2133	}
2134
2135	security_info_sent = IVAL(params,4);
2136
2137	DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2138	fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2139
2140	if (data_count == 0) {
2141	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2142	return;
2143	}
2144
2145	status = set_sd_blob(fsp, (uint8 *)data, data_count, security_info_sent);
2146
2147	if (!NT_STATUS_IS_OK(status)) {
2148	reply_nterror(req, status);
2149	return;
2150	}
2151
2152	done:
2153	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2154	return;
2155	}
2156
2157	/*
2158	* Implement the default fsctl operation.
2159	*/
2160
2161	static bool vfswrap_logged_ioctl_message = false;
2162
2163	/*
2164	* In 3.6 we do not have a SMB_VFS_FSCTL() function
2165	* it's just faked to make it more look like
2166	* master (4.0)
2167	*/
2168	NTSTATUS smb_fsctl(struct files_struct *fsp,
2169	TALLOC_CTX *ctx,
2170	uint32_t function,
2171	uint16_t req_flags, /* Needed for UNICODE ... */
2172	const uint8_t *_in_data,
2173	uint32_t in_len,
2174	uint8_t **_out_data,
2175	uint32_t max_out_len,
2176	uint32_t *out_len)
2177	{
2178	const char in_data = (const char )_in_data;
2179	char out_data = (char )_out_data;
2180
2181	switch (function) {
2182	case FSCTL_SET_SPARSE:
2183	{
2184	bool set_sparse = true;
2185	NTSTATUS status;
2186
2187	if (in_len >= 1 && in_data[0] == 0) {
2188	set_sparse = false;
2189	}
2190
2191	status = file_set_sparse(fsp->conn, fsp, set_sparse);
2192
2193	DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
2194	("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2195	smb_fname_str_dbg(fsp->fsp_name), set_sparse,
2196	nt_errstr(status)));
2197
2198	return status;
2199	}
2200
2201	case FSCTL_CREATE_OR_GET_OBJECT_ID:
2202	{
2203	unsigned char objid[16];
2204	char *return_data = NULL;
2205
2206	/* This should return the object-id on this file.
2207	* I think I'll make this be the inode+dev. JRA.
2208	*/
2209
2210	DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fsp->fnum));
2211
2212	*out_len = (max_out_len >= 64) ? 64 : max_out_len;
2213	/* Hmmm, will this cause problems if less data asked for? */
2214	return_data = talloc_array(ctx, char, 64);
2215	if (return_data == NULL) {
2216	return NT_STATUS_NO_MEMORY;
2217	}
2218
2219	/* For backwards compatibility only store the dev/inode. */
2220	push_file_id_16(return_data, &fsp->file_id);
2221	memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
2222	push_file_id_16(return_data+32, &fsp->file_id);
2223	*out_data = return_data;
2224	return NT_STATUS_OK;
2225	}
2226
2227	case FSCTL_GET_REPARSE_POINT:
2228	{
2229	/* Fail it with STATUS_NOT_A_REPARSE_POINT */
2230	DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2231	return NT_STATUS_NOT_A_REPARSE_POINT;
2232	}
2233
2234	case FSCTL_SET_REPARSE_POINT:
2235	{
2236	/* Fail it with STATUS_NOT_A_REPARSE_POINT */
2237	DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2238	return NT_STATUS_NOT_A_REPARSE_POINT;
2239	}
2240
2241	case FSCTL_GET_SHADOW_COPY_DATA:
2242	{
2243	/*
2244	* This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2245	* and return their volume names. If max_data_count is 16, then it is just
2246	* asking for the number of volumes and length of the combined names.
2247	*
2248	* pdata is the data allocated by our caller, but that uses
2249	* total_data_count (which is 0 in our case) rather than max_data_count.
2250	* Allocate the correct amount and return the pointer to let
2251	* it be deallocated when we return.
2252	*/
2253	struct shadow_copy_data *shadow_data = NULL;
2254	bool labels = False;
2255	uint32 labels_data_count = 0;
2256	uint32 i;
2257	char *cur_pdata = NULL;
2258
2259	if (max_out_len < 16) {
2260	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2261	max_out_len));
2262	return NT_STATUS_INVALID_PARAMETER;
2263	}
2264
2265	if (max_out_len > 16) {
2266	labels = True;
2267	}
2268
2269	shadow_data = talloc_zero(ctx, struct shadow_copy_data);
2270	if (shadow_data == NULL) {
2271	DEBUG(0,("TALLOC_ZERO() failed!\n"));
2272	return NT_STATUS_NO_MEMORY;
2273	}
2274
2275	/*
2276	* Call the VFS routine to actually do the work.
2277	*/
2278	if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2279	TALLOC_FREE(shadow_data);
2280	if (errno == ENOSYS) {
2281	DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2282	fsp->conn->connectpath));
2283	return NT_STATUS_NOT_SUPPORTED;
2284	} else {
2285	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2286	fsp->conn->connectpath));
2287	return NT_STATUS_UNSUCCESSFUL;
2288	}
2289	}
2290
2291	labels_data_count = (shadow_data->num_volumes * 2 *
2292	sizeof(SHADOW_COPY_LABEL)) + 2;
2293
2294	if (!labels) {
2295	*out_len = 16;
2296	} else {
2297	*out_len = 12 + labels_data_count + 4;
2298	}
2299
2300	if (max_out_len < *out_len) {
2301	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2302	max_out_len, *out_len));
2303	TALLOC_FREE(shadow_data);
2304	return NT_STATUS_BUFFER_TOO_SMALL;
2305	}
2306
2307	cur_pdata = talloc_array(ctx, char, *out_len);
2308	if (cur_pdata == NULL) {
2309	TALLOC_FREE(shadow_data);
2310	return NT_STATUS_NO_MEMORY;
2311	}
2312
2313	*out_data = cur_pdata;
2314
2315	/* num_volumes 4 bytes */
2316	SIVAL(cur_pdata, 0, shadow_data->num_volumes);
2317
2318	if (labels) {
2319	/* num_labels 4 bytes */
2320	SIVAL(cur_pdata, 4, shadow_data->num_volumes);
2321	}
2322
2323	/* needed_data_count 4 bytes */
2324	SIVAL(cur_pdata, 8, labels_data_count + 4);
2325
2326	cur_pdata += 12;
2327
2328	DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2329	shadow_data->num_volumes, fsp_str_dbg(fsp)));
2330	if (labels && shadow_data->labels) {
2331	for (i=0; i<shadow_data->num_volumes; i++) {
2332	srvstr_push(cur_pdata, req_flags,
2333	cur_pdata, shadow_data->labels[i],
2334	2 * sizeof(SHADOW_COPY_LABEL),
2335	STR_UNICODE\|STR_TERMINATE);
2336	cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
2337	DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2338	}
2339	}
2340
2341	TALLOC_FREE(shadow_data);
2342
2343	return NT_STATUS_OK;
2344	}
2345
2346	case FSCTL_FIND_FILES_BY_SID:
2347	{
2348	/* pretend this succeeded -
2349	*
2350	* we have to send back a list with all files owned by this SID
2351	*
2352	* but I have to check that --metze
2353	*/
2354	struct dom_sid sid;
2355	uid_t uid;
2356	size_t sid_len;
2357
2358	DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n", fsp->fnum));
2359
2360	if (in_len < 8) {
2361	/* NT_STATUS_BUFFER_TOO_SMALL maybe? */
2362	return NT_STATUS_INVALID_PARAMETER;
2363	}
2364
2365	sid_len = MIN(in_len - 4,SID_MAX_SIZE);
2366
2367	/* unknown 4 bytes: this is not the length of the sid :-( */
2368	/unknown = IVAL(pdata,0);/
2369
2370	if (!sid_parse(in_data + 4, sid_len, &sid)) {
2371	return NT_STATUS_INVALID_PARAMETER;
2372	}
2373	DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2374
2375	if (!sid_to_uid(&sid, &uid)) {
2376	DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2377	sid_string_dbg(&sid),
2378	(unsigned long)sid_len));
2379	uid = (-1);
2380	}
2381
2382	/* we can take a look at the find source :-)
2383	*
2384	* find ./ -uid $uid -name '*' is what we need here
2385	*
2386	*
2387	* and send 4bytes len and then NULL terminated unicode strings
2388	* for each file
2389	*
2390	* but I don't know how to deal with the paged results
2391	* (maybe we can hang the result anywhere in the fsp struct)
2392	*
2393	* but I don't know how to deal with the paged results
2394	* (maybe we can hang the result anywhere in the fsp struct)
2395	*
2396	* we don't send all files at once
2397	* and at the next we should not start from the beginning,
2398	* so we have to cache the result
2399	*
2400	* --metze
2401	*/
2402
2403	/* this works for now... */
2404	return NT_STATUS_OK;
2405	}
2406
2407	case FSCTL_QUERY_ALLOCATED_RANGES:
2408	{
2409	/* FIXME: This is just a dummy reply, telling that all of the
2410	* file is allocated. MKS cp needs that.
2411	* Adding the real allocated ranges via FIEMAP on Linux
2412	* and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2413	* this FSCTL correct for sparse files.
2414	*/
2415	NTSTATUS status;
2416	uint64_t offset, length;
2417	char *out_data_tmp = NULL;
2418
2419	if (in_len != 16) {
2420	DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2421	in_len));
2422	return NT_STATUS_INVALID_PARAMETER;
2423	}
2424
2425	if (max_out_len < 16) {
2426	DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
2427	max_out_len));
2428	return NT_STATUS_INVALID_PARAMETER;
2429	}
2430
2431	offset = BVAL(in_data,0);
2432	length = BVAL(in_data,8);
2433
2434	if (offset + length < offset) {
2435	/* No 64-bit integer wrap. */
2436	return NT_STATUS_INVALID_PARAMETER;
2437	}
2438
2439	/* Shouldn't this be SMB_VFS_STAT ... ? */
2440	status = vfs_stat_fsp(fsp);
2441	if (!NT_STATUS_IS_OK(status)) {
2442	return status;
2443	}
2444
2445	*out_len = 16;
2446	out_data_tmp = talloc_array(ctx, char, *out_len);
2447	if (out_data_tmp == NULL) {
2448	DEBUG(10, ("unable to allocate memory for response\n"));
2449	return NT_STATUS_NO_MEMORY;
2450	}
2451
2452	if (offset > fsp->fsp_name->st.st_ex_size \|\|
2453	fsp->fsp_name->st.st_ex_size == 0 \|\|
2454	length == 0) {
2455	memset(out_data_tmp, 0, *out_len);
2456	} else {
2457	uint64_t end = offset + length;
2458	end = MIN(end, fsp->fsp_name->st.st_ex_size);
2459	SBVAL(out_data_tmp, 0, 0);
2460	SBVAL(out_data_tmp, 8, end);
2461	}
2462
2463	*out_data = out_data_tmp;
2464
2465	return NT_STATUS_OK;
2466	}
2467
2468	case FSCTL_IS_VOLUME_DIRTY:
2469	{
2470	DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on FID[0x%04X] "
2471	"(but not implemented)\n", fsp->fnum));
2472	/*
2473	* http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
2474	* says we have to respond with NT_STATUS_INVALID_PARAMETER
2475	*/
2476	return NT_STATUS_INVALID_PARAMETER;
2477	}
2478
2479	default:
2480	/*
2481	* Only print once ... unfortunately there could be lots of
2482	* different FSCTLs that are called.
2483	*/
2484	if (!vfswrap_logged_ioctl_message) {
2485	vfswrap_logged_ioctl_message = true;
2486	DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
2487	__FUNCTION__, function));
2488	}
2489	}
2490
2491	return NT_STATUS_NOT_SUPPORTED;
2492	}
2493
2494	/****************************************************************************
2495	Reply to NT IOCTL
2496	****************************************************************************/
2497
2498	static void call_nt_transact_ioctl(connection_struct *conn,
2499	struct smb_request *req,
2500	uint16 **ppsetup, uint32 setup_count,
2501	char **ppparams, uint32 parameter_count,
2502	char **ppdata, uint32 data_count,
2503	uint32 max_data_count)
2504	{
2505	NTSTATUS status;
2506	uint32 function;
2507	uint16 fidnum;
2508	files_struct *fsp;
2509	uint8 isFSctl;
2510	uint8 compfilter;
2511	char *out_data = NULL;
2512	uint32 out_data_len = 0;
2513	char pdata = ppdata;
2514	TALLOC_CTX *ctx = talloc_tos();
2515
2516	if (setup_count != 8) {
2517	DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2518	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2519	return;
2520	}
2521
2522	function = IVAL(*ppsetup, 0);
2523	fidnum = SVAL(*ppsetup, 4);
2524	isFSctl = CVAL(*ppsetup, 6);
2525	compfilter = CVAL(*ppsetup, 7);
2526
2527	DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2528	function, fidnum, isFSctl, compfilter));
2529
2530	fsp=file_fsp(req, fidnum);
2531
2532	/*
2533	* We don't really implement IOCTLs, especially on files.
2534	*/
2535	if (!isFSctl) {
2536	DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2537	isFSctl));
2538	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2539	return;
2540	}
2541
2542	/* Has to be for an open file! */
2543	if (!check_fsp_open(conn, req, fsp)) {
2544	return;
2545	}
2546
2547	/*
2548	* out_data might be allocated by the VFS module, but talloc should be
2549	* used, and should be cleaned up when the request ends.
2550	*/
2551	status = smb_fsctl(fsp,
2552	ctx,
2553	function,
2554	req->flags2,
2555	(uint8_t *)pdata,
2556	data_count,
2557	(uint8_t **)&out_data,
2558	max_data_count,
2559	&out_data_len);
2560	if (!NT_STATUS_IS_OK(status)) {
2561	reply_nterror(req, status);
2562	} else {
2563	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
2564	}
2565	}
2566
2567
2568	#ifdef HAVE_SYS_QUOTAS
2569	/****************************************************************************
2570	Reply to get user quota
2571	****************************************************************************/
2572
2573	static void call_nt_transact_get_user_quota(connection_struct *conn,
2574	struct smb_request *req,
2575	uint16 **ppsetup,
2576	uint32 setup_count,
2577	char **ppparams,
2578	uint32 parameter_count,
2579	char **ppdata,
2580	uint32 data_count,
2581	uint32 max_data_count)
2582	{
2583	NTSTATUS nt_status = NT_STATUS_OK;
2584	char params = ppparams;
2585	char pdata = ppdata;
2586	char *entry;
2587	int data_len=0,param_len=0;
2588	int qt_len=0;
2589	int entry_len = 0;
2590	files_struct *fsp = NULL;
2591	uint16 level = 0;
2592	size_t sid_len;
2593	struct dom_sid sid;
2594	bool start_enum = True;
2595	SMB_NTQUOTA_STRUCT qt;
2596	SMB_NTQUOTA_LIST *tmp_list;
2597	SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2598
2599	ZERO_STRUCT(qt);
2600
2601	/* access check */
2602	if (get_current_uid(conn) != 0) {
2603	DEBUG(1,("get_user_quota: access_denied service [%s] user "
2604	"[%s]\n", lp_servicename(SNUM(conn)),
2605	conn->session_info->unix_name));
2606	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2607	return;
2608	}
2609
2610	/*
2611	* Ensure minimum number of parameters sent.
2612	*/
2613
2614	if (parameter_count < 4) {
2615	DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2616	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2617	return;
2618	}
2619
2620	/* maybe we can check the quota_fnum */
2621	fsp = file_fsp(req, SVAL(params,0));
2622	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2623	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2624	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2625	return;
2626	}
2627
2628	/* the NULL pointer checking for fsp->fake_file_handle->pd
2629	* is done by CHECK_NTQUOTA_HANDLE_OK()
2630	*/
2631	qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2632
2633	level = SVAL(params,2);
2634
2635	/* unknown 12 bytes leading in params */
2636
2637	switch (level) {
2638	case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2639	/* seems that we should continue with the enum here --metze */
2640
2641	if (qt_handle->quota_list!=NULL &&
2642	qt_handle->tmp_list==NULL) {
2643
2644	/* free the list */
2645	free_ntquota_list(&(qt_handle->quota_list));
2646
2647	/* Realloc the size of parameters and data we will return */
2648	param_len = 4;
2649	params = nttrans_realloc(ppparams, param_len);
2650	if(params == NULL) {
2651	reply_nterror(req, NT_STATUS_NO_MEMORY);
2652	return;
2653	}
2654
2655	data_len = 0;
2656	SIVAL(params,0,data_len);
2657
2658	break;
2659	}
2660
2661	start_enum = False;
2662
2663	case TRANSACT_GET_USER_QUOTA_LIST_START:
2664
2665	if (qt_handle->quota_list==NULL &&
2666	qt_handle->tmp_list==NULL) {
2667	start_enum = True;
2668	}
2669
2670	if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2671	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2672	return;
2673	}
2674
2675	/* Realloc the size of parameters and data we will return */
2676	param_len = 4;
2677	params = nttrans_realloc(ppparams, param_len);
2678	if(params == NULL) {
2679	reply_nterror(req, NT_STATUS_NO_MEMORY);
2680	return;
2681	}
2682
2683	/* we should not trust the value in max_data_count*/
2684	max_data_count = MIN(max_data_count,2048);
2685
2686	pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2687	if(pdata == NULL) {
2688	reply_nterror(req, NT_STATUS_NO_MEMORY);
2689	return;
2690	}
2691
2692	entry = pdata;
2693
2694	/* set params Size of returned Quota Data 4 bytes*/
2695	/* but set it later when we know it */
2696
2697	/* for each entry push the data */
2698
2699	if (start_enum) {
2700	qt_handle->tmp_list = qt_handle->quota_list;
2701	}
2702
2703	tmp_list = qt_handle->tmp_list;
2704
2705	for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2706	tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2707
2708	sid_len = ndr_size_dom_sid(
2709	&tmp_list->quotas->sid, 0);
2710	entry_len = 40 + sid_len;
2711
2712	/* nextoffset entry 4 bytes */
2713	SIVAL(entry,0,entry_len);
2714
2715	/* then the len of the SID 4 bytes */
2716	SIVAL(entry,4,sid_len);
2717
2718	/* unknown data 8 bytes uint64_t */
2719	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2720
2721	/* the used disk space 8 bytes uint64_t */
2722	SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2723
2724	/* the soft quotas 8 bytes uint64_t */
2725	SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2726
2727	/* the hard quotas 8 bytes uint64_t */
2728	SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2729
2730	/* and now the SID */
2731	sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2732	}
2733
2734	qt_handle->tmp_list = tmp_list;
2735
2736	/* overwrite the offset of the last entry */
2737	SIVAL(entry-entry_len,0,0);
2738
2739	data_len = 4+qt_len;
2740	/* overwrite the params quota_data_len */
2741	SIVAL(params,0,data_len);
2742
2743	break;
2744
2745	case TRANSACT_GET_USER_QUOTA_FOR_SID:
2746
2747	/* unknown 4 bytes IVAL(pdata,0) */
2748
2749	if (data_count < 8) {
2750	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2751	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2752	return;
2753	}
2754
2755	sid_len = IVAL(pdata,4);
2756	/* Ensure this is less than 1mb. */
2757	if (sid_len > (1024*1024)) {
2758	reply_nterror(req, NT_STATUS_NO_MEMORY);
2759	return;
2760	}
2761
2762	if (data_count < 8+sid_len) {
2763	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2764	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2765	return;
2766	}
2767
2768	data_len = 4+40+sid_len;
2769
2770	if (max_data_count < data_len) {
2771	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2772	max_data_count, data_len));
2773	param_len = 4;
2774	SIVAL(params,0,data_len);
2775	data_len = 0;
2776	nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2777	break;
2778	}
2779
2780	if (!sid_parse(pdata+8,sid_len,&sid)) {
2781	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2782	return;
2783	}
2784
2785	if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2786	ZERO_STRUCT(qt);
2787	/*
2788	* we have to return zero's in all fields
2789	* instead of returning an error here
2790	* --metze
2791	*/
2792	}
2793
2794	/* Realloc the size of parameters and data we will return */
2795	param_len = 4;
2796	params = nttrans_realloc(ppparams, param_len);
2797	if(params == NULL) {
2798	reply_nterror(req, NT_STATUS_NO_MEMORY);
2799	return;
2800	}
2801
2802	pdata = nttrans_realloc(ppdata, data_len);
2803	if(pdata == NULL) {
2804	reply_nterror(req, NT_STATUS_NO_MEMORY);
2805	return;
2806	}
2807
2808	entry = pdata;
2809
2810	/* set params Size of returned Quota Data 4 bytes*/
2811	SIVAL(params,0,data_len);
2812
2813	/* nextoffset entry 4 bytes */
2814	SIVAL(entry,0,0);
2815
2816	/* then the len of the SID 4 bytes */
2817	SIVAL(entry,4,sid_len);
2818
2819	/* unknown data 8 bytes uint64_t */
2820	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2821
2822	/* the used disk space 8 bytes uint64_t */
2823	SBIG_UINT(entry,16,qt.usedspace);
2824
2825	/* the soft quotas 8 bytes uint64_t */
2826	SBIG_UINT(entry,24,qt.softlim);
2827
2828	/* the hard quotas 8 bytes uint64_t */
2829	SBIG_UINT(entry,32,qt.hardlim);
2830
2831	/* and now the SID */
2832	sid_linearize(entry+40, sid_len, &sid);
2833
2834	break;
2835
2836	default:
2837	DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2838	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2839	return;
2840	break;
2841	}
2842
2843	send_nt_replies(conn, req, nt_status, params, param_len,
2844	pdata, data_len);
2845	}
2846
2847	/****************************************************************************
2848	Reply to set user quota
2849	****************************************************************************/
2850
2851	static void call_nt_transact_set_user_quota(connection_struct *conn,
2852	struct smb_request *req,
2853	uint16 **ppsetup,
2854	uint32 setup_count,
2855	char **ppparams,
2856	uint32 parameter_count,
2857	char **ppdata,
2858	uint32 data_count,
2859	uint32 max_data_count)
2860	{
2861	char params = ppparams;
2862	char pdata = ppdata;
2863	int data_len=0,param_len=0;
2864	SMB_NTQUOTA_STRUCT qt;
2865	size_t sid_len;
2866	struct dom_sid sid;
2867	files_struct *fsp = NULL;
2868
2869	ZERO_STRUCT(qt);
2870
2871	/* access check */
2872	if (get_current_uid(conn) != 0) {
2873	DEBUG(1,("set_user_quota: access_denied service [%s] user "
2874	"[%s]\n", lp_servicename(SNUM(conn)),
2875	conn->session_info->unix_name));
2876	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2877	return;
2878	}
2879
2880	/*
2881	* Ensure minimum number of parameters sent.
2882	*/
2883
2884	if (parameter_count < 2) {
2885	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2886	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2887	return;
2888	}
2889
2890	/* maybe we can check the quota_fnum */
2891	fsp = file_fsp(req, SVAL(params,0));
2892	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2893	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2894	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2895	return;
2896	}
2897
2898	if (data_count < 40) {
2899	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2900	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2901	return;
2902	}
2903
2904	/* offset to next quota record.
2905	* 4 bytes IVAL(pdata,0)
2906	* unused here...
2907	*/
2908
2909	/* sid len */
2910	sid_len = IVAL(pdata,4);
2911
2912	if (data_count < 40+sid_len \|\| (40+sid_len < sid_len)) {
2913	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2914	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2915	return;
2916	}
2917
2918	/* unknown 8 bytes in pdata
2919	* maybe its the change time in NTTIME
2920	*/
2921
2922	/* the used space 8 bytes (uint64_t)*/
2923	qt.usedspace = BVAL(pdata,16);
2924
2925	/* the soft quotas 8 bytes (uint64_t)*/
2926	qt.softlim = BVAL(pdata,24);
2927
2928	/* the hard quotas 8 bytes (uint64_t)*/
2929	qt.hardlim = BVAL(pdata,32);
2930
2931	if (!sid_parse(pdata+40,sid_len,&sid)) {
2932	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2933	return;
2934	}
2935
2936	DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2937
2938	/* 44 unknown bytes left... */
2939
2940	if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2941	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2942	return;
2943	}
2944
2945	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2946	pdata, data_len);
2947	}
2948	#endif /* HAVE_SYS_QUOTAS */
2949
2950	static void handle_nttrans(connection_struct *conn,
2951	struct trans_state *state,
2952	struct smb_request *req)
2953	{
2954	if (get_Protocol() >= PROTOCOL_NT1) {
2955	req->flags2 \|= 0x40; /* IS_LONG_NAME */
2956	SSVAL(req->inbuf,smb_flg2,req->flags2);
2957	}
2958
2959
2960	SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2961
2962	/* Now we must call the relevant NT_TRANS function */
2963	switch(state->call) {
2964	case NT_TRANSACT_CREATE:
2965	{
2966	START_PROFILE(NT_transact_create);
2967	call_nt_transact_create(
2968	conn, req,
2969	&state->setup, state->setup_count,
2970	&state->param, state->total_param,
2971	&state->data, state->total_data,
2972	state->max_data_return);
2973	END_PROFILE(NT_transact_create);
2974	break;
2975	}
2976
2977	case NT_TRANSACT_IOCTL:
2978	{
2979	START_PROFILE(NT_transact_ioctl);
2980	call_nt_transact_ioctl(
2981	conn, req,
2982	&state->setup, state->setup_count,
2983	&state->param, state->total_param,
2984	&state->data, state->total_data,
2985	state->max_data_return);
2986	END_PROFILE(NT_transact_ioctl);
2987	break;
2988	}
2989
2990	case NT_TRANSACT_SET_SECURITY_DESC:
2991	{
2992	START_PROFILE(NT_transact_set_security_desc);
2993	call_nt_transact_set_security_desc(
2994	conn, req,
2995	&state->setup, state->setup_count,
2996	&state->param, state->total_param,
2997	&state->data, state->total_data,
2998	state->max_data_return);
2999	END_PROFILE(NT_transact_set_security_desc);
3000	break;
3001	}
3002
3003	case NT_TRANSACT_NOTIFY_CHANGE:
3004	{
3005	START_PROFILE(NT_transact_notify_change);
3006	call_nt_transact_notify_change(
3007	conn, req,
3008	&state->setup, state->setup_count,
3009	&state->param, state->total_param,
3010	&state->data, state->total_data,
3011	state->max_data_return,
3012	state->max_param_return);
3013	END_PROFILE(NT_transact_notify_change);
3014	break;
3015	}
3016
3017	case NT_TRANSACT_RENAME:
3018	{
3019	START_PROFILE(NT_transact_rename);
3020	call_nt_transact_rename(
3021	conn, req,
3022	&state->setup, state->setup_count,
3023	&state->param, state->total_param,
3024	&state->data, state->total_data,
3025	state->max_data_return);
3026	END_PROFILE(NT_transact_rename);
3027	break;
3028	}
3029
3030	case NT_TRANSACT_QUERY_SECURITY_DESC:
3031	{
3032	START_PROFILE(NT_transact_query_security_desc);
3033	call_nt_transact_query_security_desc(
3034	conn, req,
3035	&state->setup, state->setup_count,
3036	&state->param, state->total_param,
3037	&state->data, state->total_data,
3038	state->max_data_return);
3039	END_PROFILE(NT_transact_query_security_desc);
3040	break;
3041	}
3042
3043	#ifdef HAVE_SYS_QUOTAS
3044	case NT_TRANSACT_GET_USER_QUOTA:
3045	{
3046	START_PROFILE(NT_transact_get_user_quota);
3047	call_nt_transact_get_user_quota(
3048	conn, req,
3049	&state->setup, state->setup_count,
3050	&state->param, state->total_param,
3051	&state->data, state->total_data,
3052	state->max_data_return);
3053	END_PROFILE(NT_transact_get_user_quota);
3054	break;
3055	}
3056
3057	case NT_TRANSACT_SET_USER_QUOTA:
3058	{
3059	START_PROFILE(NT_transact_set_user_quota);
3060	call_nt_transact_set_user_quota(
3061	conn, req,
3062	&state->setup, state->setup_count,
3063	&state->param, state->total_param,
3064	&state->data, state->total_data,
3065	state->max_data_return);
3066	END_PROFILE(NT_transact_set_user_quota);
3067	break;
3068	}
3069	#endif /* HAVE_SYS_QUOTAS */
3070
3071	default:
3072	/* Error in request */
3073	DEBUG(0,("handle_nttrans: Unknown request %d in "
3074	"nttrans call\n", state->call));
3075	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3076	return;
3077	}
3078	return;
3079	}
3080
3081	/****************************************************************************
3082	Reply to a SMBNTtrans.
3083	****************************************************************************/
3084
3085	void reply_nttrans(struct smb_request *req)
3086	{
3087	connection_struct *conn = req->conn;
3088	uint32_t pscnt;
3089	uint32_t psoff;
3090	uint32_t dscnt;
3091	uint32_t dsoff;
3092	uint16 function_code;
3093	NTSTATUS result;
3094	struct trans_state *state;
3095
3096	START_PROFILE(SMBnttrans);
3097
3098	if (req->wct < 19) {
3099	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3100	END_PROFILE(SMBnttrans);
3101	return;
3102	}
3103
3104	pscnt = IVAL(req->vwv+9, 1);
3105	psoff = IVAL(req->vwv+11, 1);
3106	dscnt = IVAL(req->vwv+13, 1);
3107	dsoff = IVAL(req->vwv+15, 1);
3108	function_code = SVAL(req->vwv+18, 0);
3109
3110	if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3111	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3112	END_PROFILE(SMBnttrans);
3113	return;
3114	}
3115
3116	result = allow_new_trans(conn->pending_trans, req->mid);
3117	if (!NT_STATUS_IS_OK(result)) {
3118	DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3119	reply_nterror(req, result);
3120	END_PROFILE(SMBnttrans);
3121	return;
3122	}
3123
3124	if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
3125	reply_nterror(req, NT_STATUS_NO_MEMORY);
3126	END_PROFILE(SMBnttrans);
3127	return;
3128	}
3129
3130	state->cmd = SMBnttrans;
3131
3132	state->mid = req->mid;
3133	state->vuid = req->vuid;
3134	state->total_data = IVAL(req->vwv+3, 1);
3135	state->data = NULL;
3136	state->total_param = IVAL(req->vwv+1, 1);
3137	state->param = NULL;
3138	state->max_data_return = IVAL(req->vwv+7, 1);
3139	state->max_param_return = IVAL(req->vwv+5, 1);
3140
3141	/* setup count is in words */
3142	state->setup_count = 2*CVAL(req->vwv+17, 1);
3143	state->setup = NULL;
3144	state->call = function_code;
3145
3146	DEBUG(10, ("num_setup=%u, "
3147	"param_total=%u, this_param=%u, max_param=%u, "
3148	"data_total=%u, this_data=%u, max_data=%u, "
3149	"param_offset=%u, data_offset=%u\n",
3150	(unsigned)state->setup_count,
3151	(unsigned)state->total_param, (unsigned)pscnt,
3152	(unsigned)state->max_param_return,
3153	(unsigned)state->total_data, (unsigned)dscnt,
3154	(unsigned)state->max_data_return,
3155	(unsigned)psoff, (unsigned)dsoff));
3156
3157	/*
3158	* All nttrans messages we handle have smb_wct == 19 +
3159	* state->setup_count. Ensure this is so as a sanity check.
3160	*/
3161
3162	if(req->wct != 19 + (state->setup_count/2)) {
3163	DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3164	req->wct, 19 + (state->setup_count/2)));
3165	goto bad_param;
3166	}
3167
3168	/* Don't allow more than 128mb for each value. */
3169	if ((state->total_data > (10241024128)) \|\|
3170	(state->total_param > (10241024128))) {
3171	reply_nterror(req, NT_STATUS_NO_MEMORY);
3172	END_PROFILE(SMBnttrans);
3173	return;
3174	}
3175
3176	if ((dscnt > state->total_data) \|\| (pscnt > state->total_param))
3177	goto bad_param;
3178
3179	if (state->total_data) {
3180
3181	if (trans_oob(state->total_data, 0, dscnt)
3182	\|\| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3183	goto bad_param;
3184	}
3185
3186	/* Can't use talloc here, the core routines do realloc on the
3187	* params and data. */
3188	if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3189	DEBUG(0,("reply_nttrans: data malloc fail for %u "
3190	"bytes !\n", (unsigned int)state->total_data));
3191	TALLOC_FREE(state);
3192	reply_nterror(req, NT_STATUS_NO_MEMORY);
3193	END_PROFILE(SMBnttrans);
3194	return;
3195	}
3196
3197	memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3198	}
3199
3200	if (state->total_param) {
3201
3202	if (trans_oob(state->total_param, 0, pscnt)
3203	\|\| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3204	goto bad_param;
3205	}
3206
3207	/* Can't use talloc here, the core routines do realloc on the
3208	* params and data. */
3209	if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3210	DEBUG(0,("reply_nttrans: param malloc fail for %u "
3211	"bytes !\n", (unsigned int)state->total_param));
3212	SAFE_FREE(state->data);
3213	TALLOC_FREE(state);
3214	reply_nterror(req, NT_STATUS_NO_MEMORY);
3215	END_PROFILE(SMBnttrans);
3216	return;
3217	}
3218
3219	memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3220	}
3221
3222	state->received_data = dscnt;
3223	state->received_param = pscnt;
3224
3225	if(state->setup_count > 0) {
3226	DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3227	state->setup_count));
3228
3229	/*
3230	* No overflow possible here, state->setup_count is an
3231	* unsigned int, being filled by a single byte from
3232	* CVAL(req->vwv+13, 0) above. The cast in the comparison
3233	* below is not necessary, it's here to clarify things. The
3234	* validity of req->vwv and req->wct has been checked in
3235	* init_smb_request already.
3236	*/
3237	if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3238	goto bad_param;
3239	}
3240
3241	state->setup = (uint16 *)TALLOC(state, state->setup_count);
3242	if (state->setup == NULL) {
3243	DEBUG(0,("reply_nttrans : Out of memory\n"));
3244	SAFE_FREE(state->data);
3245	SAFE_FREE(state->param);
3246	TALLOC_FREE(state);
3247	reply_nterror(req, NT_STATUS_NO_MEMORY);
3248	END_PROFILE(SMBnttrans);
3249	return;
3250	}
3251
3252	memcpy(state->setup, req->vwv+19, state->setup_count);
3253	dump_data(10, (uint8 *)state->setup, state->setup_count);
3254	}
3255
3256	if ((state->received_data == state->total_data) &&
3257	(state->received_param == state->total_param)) {
3258	handle_nttrans(conn, state, req);
3259	SAFE_FREE(state->param);
3260	SAFE_FREE(state->data);
3261	TALLOC_FREE(state);
3262	END_PROFILE(SMBnttrans);
3263	return;
3264	}
3265
3266	DLIST_ADD(conn->pending_trans, state);
3267
3268	/* We need to send an interim response then receive the rest
3269	of the parameter/data bytes */
3270	reply_outbuf(req, 0, 0);
3271	show_msg((char *)req->outbuf);
3272	END_PROFILE(SMBnttrans);
3273	return;
3274
3275	bad_param:
3276
3277	DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3278	SAFE_FREE(state->data);
3279	SAFE_FREE(state->param);
3280	TALLOC_FREE(state);
3281	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3282	END_PROFILE(SMBnttrans);
3283	return;
3284	}
3285
3286	/****************************************************************************
3287	Reply to a SMBnttranss
3288	****************************************************************************/
3289
3290	void reply_nttranss(struct smb_request *req)
3291	{
3292	connection_struct *conn = req->conn;
3293	uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3294	struct trans_state *state;
3295
3296	START_PROFILE(SMBnttranss);
3297
3298	show_msg((char *)req->inbuf);
3299
3300	/* Windows clients expect all replies to
3301	an NT transact secondary (SMBnttranss 0xA1)
3302	to have a command code of NT transact
3303	(SMBnttrans 0xA0). See bug #8989 for details. */
3304	req->cmd = SMBnttrans;
3305
3306	if (req->wct < 18) {
3307	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3308	END_PROFILE(SMBnttranss);
3309	return;
3310	}
3311
3312	for (state = conn->pending_trans; state != NULL;
3313	state = state->next) {
3314	if (state->mid == req->mid) {
3315	break;
3316	}
3317	}
3318
3319	if ((state == NULL) \|\| (state->cmd != SMBnttrans)) {
3320	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3321	END_PROFILE(SMBnttranss);
3322	return;
3323	}
3324
3325	/* Revise state->total_param and state->total_data in case they have
3326	changed downwards */
3327	if (IVAL(req->vwv+1, 1) < state->total_param) {
3328	state->total_param = IVAL(req->vwv+1, 1);
3329	}
3330	if (IVAL(req->vwv+3, 1) < state->total_data) {
3331	state->total_data = IVAL(req->vwv+3, 1);
3332	}
3333
3334	pcnt = IVAL(req->vwv+5, 1);
3335	poff = IVAL(req->vwv+7, 1);
3336	pdisp = IVAL(req->vwv+9, 1);
3337
3338	dcnt = IVAL(req->vwv+11, 1);
3339	doff = IVAL(req->vwv+13, 1);
3340	ddisp = IVAL(req->vwv+15, 1);
3341
3342	state->received_param += pcnt;
3343	state->received_data += dcnt;
3344
3345	if ((state->received_data > state->total_data) \|\|
3346	(state->received_param > state->total_param))
3347	goto bad_param;
3348
3349	if (pcnt) {
3350	if (trans_oob(state->total_param, pdisp, pcnt)
3351	\|\| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3352	goto bad_param;
3353	}
3354	memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3355	}
3356
3357	if (dcnt) {
3358	if (trans_oob(state->total_data, ddisp, dcnt)
3359	\|\| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3360	goto bad_param;
3361	}
3362	memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3363	}
3364
3365	if ((state->received_param < state->total_param) \|\|
3366	(state->received_data < state->total_data)) {
3367	END_PROFILE(SMBnttranss);
3368	return;
3369	}
3370
3371	handle_nttrans(conn, state, req);
3372
3373	DLIST_REMOVE(conn->pending_trans, state);
3374	SAFE_FREE(state->data);
3375	SAFE_FREE(state->param);
3376	TALLOC_FREE(state);
3377	END_PROFILE(SMBnttranss);
3378	return;
3379
3380	bad_param:
3381
3382	DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3383	DLIST_REMOVE(conn->pending_trans, state);
3384	SAFE_FREE(state->data);
3385	SAFE_FREE(state->param);
3386	TALLOC_FREE(state);
3387	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3388	END_PROFILE(SMBnttranss);
3389	return;
3390	}

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