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nttrans.c@ 916

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Last change on this file since 916 was 916, checked in by Silvan Scherrer, 9 years ago
Samba Server: update trunk to version 3.6.25, fix some more crlf issues
File size: 87.0 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	(create_disposition == FILE_CREATE)
540	? UCF_CREATING_FILE : 0,
541	NULL,
542	&smb_fname);
543
544	TALLOC_FREE(case_state);
545
546	if (!NT_STATUS_IS_OK(status)) {
547	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
548	reply_botherror(req,
549	NT_STATUS_PATH_NOT_COVERED,
550	ERRSRV, ERRbadpath);
551	goto out;
552	}
553	reply_nterror(req, status);
554	goto out;
555	}
556
557	/*
558	* Bug #6898 - clients using Windows opens should
559	* never be able to set this attribute into the
560	* VFS.
561	*/
562	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
563
564	status = SMB_VFS_CREATE_FILE(
565	conn, /* conn */
566	req, /* req */
567	root_dir_fid, /* root_dir_fid */
568	smb_fname, /* fname */
569	access_mask, /* access_mask */
570	share_access, /* share_access */
571	create_disposition, /* create_disposition*/
572	create_options, /* create_options */
573	file_attributes, /* file_attributes */
574	oplock_request, /* oplock_request */
575	allocation_size, /* allocation_size */
576	0, /* private_flags */
577	NULL, /* sd */
578	NULL, /* ea_list */
579	&fsp, /* result */
580	&info); /* pinfo */
581
582	if (!NT_STATUS_IS_OK(status)) {
583	if (open_was_deferred(req->mid)) {
584	/* We have re-scheduled this call, no error. */
585	goto out;
586	}
587	reply_openerror(req, status);
588	goto out;
589	}
590
591	/* Ensure we're pointing at the correct stat struct. */
592	TALLOC_FREE(smb_fname);
593	smb_fname = fsp->fsp_name;
594
595	/*
596	* If the caller set the extended oplock request bit
597	* and we granted one (by whatever means) - set the
598	* correct bit for extended oplock reply.
599	*/
600
601	if (oplock_request &&
602	(lp_fake_oplocks(SNUM(conn))
603	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
604
605	/*
606	* Exclusive oplock granted
607	*/
608
609	if (flags & REQUEST_BATCH_OPLOCK) {
610	oplock_granted = BATCH_OPLOCK_RETURN;
611	} else {
612	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
613	}
614	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
615	oplock_granted = LEVEL_II_OPLOCK_RETURN;
616	} else {
617	oplock_granted = NO_OPLOCK_RETURN;
618	}
619
620	file_len = smb_fname->st.st_ex_size;
621
622	if (flags & EXTENDED_RESPONSE_REQUIRED) {
623	/* This is very strange. We
624	* return 50 words, but only set
625	* the wcnt to 42 ? It's definately
626	* what happens on the wire....
627	*/
628	reply_outbuf(req, 50, 0);
629	SCVAL(req->outbuf,smb_wct,42);
630	} else {
631	reply_outbuf(req, 34, 0);
632	}
633
634	p = (char *)req->outbuf + smb_vwv2;
635
636	SCVAL(p, 0, oplock_granted);
637
638	p++;
639	SSVAL(p,0,fsp->fnum);
640	p += 2;
641	if ((create_disposition == FILE_SUPERSEDE)
642	&& (info == FILE_WAS_OVERWRITTEN)) {
643	SIVAL(p,0,FILE_WAS_SUPERSEDED);
644	} else {
645	SIVAL(p,0,info);
646	}
647	p += 4;
648
649	fattr = dos_mode(conn, smb_fname);
650	if (fattr == 0) {
651	fattr = FILE_ATTRIBUTE_NORMAL;
652	}
653
654	/* Deal with other possible opens having a modified
655	write time. JRA. */
656	ZERO_STRUCT(write_time_ts);
657	get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
658	if (!null_timespec(write_time_ts)) {
659	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
660	}
661
662	/* Create time. */
663	create_timespec = get_create_timespec(conn, fsp, smb_fname);
664	a_timespec = smb_fname->st.st_ex_atime;
665	m_timespec = smb_fname->st.st_ex_mtime;
666	c_timespec = get_change_timespec(conn, fsp, smb_fname);
667
668	if (lp_dos_filetime_resolution(SNUM(conn))) {
669	dos_filetime_timespec(&create_timespec);
670	dos_filetime_timespec(&a_timespec);
671	dos_filetime_timespec(&m_timespec);
672	dos_filetime_timespec(&c_timespec);
673	}
674
675	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
676	p += 8;
677	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
678	p += 8;
679	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
680	p += 8;
681	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
682	p += 8;
683	SIVAL(p,0,fattr); /* File Attributes. */
684	p += 4;
685	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
686	p += 8;
687	SOFF_T(p,0,file_len);
688	p += 8;
689	if (flags & EXTENDED_RESPONSE_REQUIRED) {
690	uint16_t file_status = (NO_EAS\|NO_SUBSTREAMS\|NO_REPARSETAG);
691	size_t num_names = 0;
692	unsigned int num_streams = 0;
693	struct stream_struct *streams = NULL;
694
695	/* Do we have any EA's ? */
696	status = get_ea_names_from_file(ctx, conn, fsp,
697	smb_fname->base_name, NULL, &num_names);
698	if (NT_STATUS_IS_OK(status) && num_names) {
699	file_status &= ~NO_EAS;
700	}
701	status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
702	&num_streams, &streams);
703	/* There is always one stream, ::$DATA. */
704	if (NT_STATUS_IS_OK(status) && num_streams > 1) {
705	file_status &= ~NO_SUBSTREAMS;
706	}
707	TALLOC_FREE(streams);
708	SSVAL(p,2,file_status);
709	}
710	p += 4;
711	SCVAL(p,0,fsp->is_directory ? 1 : 0);
712
713	if (flags & EXTENDED_RESPONSE_REQUIRED) {
714	uint32 perms = 0;
715	p += 25;
716	if (fsp->is_directory \|\|
717	can_write_to_file(conn, smb_fname)) {
718	perms = FILE_GENERIC_ALL;
719	} else {
720	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
721	}
722	SIVAL(p,0,perms);
723	}
724
725	DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
726	fsp->fnum, smb_fname_str_dbg(smb_fname)));
727
728	chain_reply(req);
729	out:
730	END_PROFILE(SMBntcreateX);
731	return;
732	}
733
734	/****************************************************************************
735	Reply to a NT_TRANSACT_CREATE call to open a pipe.
736	****************************************************************************/
737
738	static void do_nt_transact_create_pipe(connection_struct *conn,
739	struct smb_request *req,
740	uint16 **ppsetup, uint32 setup_count,
741	char **ppparams, uint32 parameter_count,
742	char **ppdata, uint32 data_count)
743	{
744	char *fname = NULL;
745	char params = ppparams;
746	int pnum = -1;
747	char *p = NULL;
748	NTSTATUS status;
749	size_t param_len;
750	uint32 flags;
751	TALLOC_CTX *ctx = talloc_tos();
752
753	/*
754	* Ensure minimum number of parameters sent.
755	*/
756
757	if(parameter_count < 54) {
758	DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
759	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
760	return;
761	}
762
763	flags = IVAL(params,0);
764
765	srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
766	parameter_count-53, STR_TERMINATE,
767	&status);
768	if (!NT_STATUS_IS_OK(status)) {
769	reply_nterror(req, status);
770	return;
771	}
772
773	nt_open_pipe(fname, conn, req, &pnum);
774
775	if (req->outbuf) {
776	/* Error return */
777	return;
778	}
779
780	/* Realloc the size of parameters and data we will return */
781	if (flags & EXTENDED_RESPONSE_REQUIRED) {
782	/* Extended response is 32 more byyes. */
783	param_len = 101;
784	} else {
785	param_len = 69;
786	}
787	params = nttrans_realloc(ppparams, param_len);
788	if(params == NULL) {
789	reply_nterror(req, NT_STATUS_NO_MEMORY);
790	return;
791	}
792
793	p = params;
794	SCVAL(p,0,NO_OPLOCK_RETURN);
795
796	p += 2;
797	SSVAL(p,0,pnum);
798	p += 2;
799	SIVAL(p,0,FILE_WAS_OPENED);
800	p += 8;
801
802	p += 32;
803	SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
804	p += 20;
805	/* File type. */
806	SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
807	/* Device state. */
808	SSVAL(p,2, 0x5FF); /* ? */
809	p += 4;
810
811	if (flags & EXTENDED_RESPONSE_REQUIRED) {
812	p += 25;
813	SIVAL(p,0,FILE_GENERIC_ALL);
814	/*
815	* For pipes W2K3 seems to return
816	* 0x12019B next.
817	* This is ((FILE_GENERIC_READ\|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
818	*/
819	SIVAL(p,4,(FILE_GENERIC_READ\|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
820	}
821
822	DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
823
824	/* Send the required number of replies */
825	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
826
827	return;
828	}
829
830	/*********************************************************************
831	Windows seems to do canonicalization of inheritance bits. Do the
832	same.
833	*********************************************************************/
834
835	static void canonicalize_inheritance_bits(struct security_descriptor *psd)
836	{
837	bool set_auto_inherited = false;
838
839	/*
840	* We need to filter out the
841	* SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ
842	* bits. If both are set we store SEC_DESC_DACL_AUTO_INHERITED
843	* as this alters whether SEC_ACE_FLAG_INHERITED_ACE is set
844	* when an ACE is inherited. Otherwise we zero these bits out.
845	* See:
846	*
847	* http://social.msdn.microsoft.com/Forums/eu/os_fileservices/thread/11f77b68-731e-407d-b1b3-064750716531
848	*
849	* for details.
850	*/
851
852	if ((psd->type & (SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ))
853	== (SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ)) {
854	set_auto_inherited = true;
855	}
856
857	psd->type &= ~(SEC_DESC_DACL_AUTO_INHERITED\|SEC_DESC_DACL_AUTO_INHERIT_REQ);
858	if (set_auto_inherited) {
859	psd->type \|= SEC_DESC_DACL_AUTO_INHERITED;
860	}
861	}
862
863	/****************************************************************************
864	Internal fn to set security descriptors.
865	****************************************************************************/
866
867	NTSTATUS set_sd(files_struct fsp, struct security_descriptor psd,
868	uint32_t security_info_sent)
869	{
870	NTSTATUS status;
871
872	if (!CAN_WRITE(fsp->conn)) {
873	return NT_STATUS_ACCESS_DENIED;
874	}
875
876	if (!lp_nt_acl_support(SNUM(fsp->conn))) {
877	return NT_STATUS_OK;
878	}
879
880	if (psd->owner_sid == NULL) {
881	security_info_sent &= ~SECINFO_OWNER;
882	}
883	if (psd->group_sid == NULL) {
884	security_info_sent &= ~SECINFO_GROUP;
885	}
886
887	/* Ensure we have at least one thing set. */
888	if ((security_info_sent & (SECINFO_OWNER\|SECINFO_GROUP\|SECINFO_DACL\|SECINFO_SACL)) == 0) {
889	/* Just like W2K3 */
890	return NT_STATUS_OK;
891	}
892
893	/* Ensure we have the rights to do this. */
894	if (security_info_sent & SECINFO_OWNER) {
895	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
896	return NT_STATUS_ACCESS_DENIED;
897	}
898	}
899
900	if (security_info_sent & SECINFO_GROUP) {
901	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
902	return NT_STATUS_ACCESS_DENIED;
903	}
904	}
905
906	if (security_info_sent & SECINFO_DACL) {
907	if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
908	return NT_STATUS_ACCESS_DENIED;
909	}
910	/* Convert all the generic bits. */
911	if (psd->dacl) {
912	security_acl_map_generic(psd->dacl, &file_generic_mapping);
913	}
914	}
915
916	if (security_info_sent & SECINFO_SACL) {
917	if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
918	return NT_STATUS_ACCESS_DENIED;
919	}
920	/* Convert all the generic bits. */
921	if (psd->sacl) {
922	security_acl_map_generic(psd->sacl, &file_generic_mapping);
923	}
924	}
925
926	canonicalize_inheritance_bits(psd);
927
928	if (DEBUGLEVEL >= 10) {
929	DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
930	NDR_PRINT_DEBUG(security_descriptor, psd);
931	}
932
933	status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
934
935	TALLOC_FREE(psd);
936
937	return status;
938	}
939
940	/****************************************************************************
941	Internal fn to set security descriptors from a data blob.
942	****************************************************************************/
943
944	NTSTATUS set_sd_blob(files_struct fsp, uint8_t data, uint32_t sd_len,
945	uint32_t security_info_sent)
946	{
947	struct security_descriptor *psd = NULL;
948	NTSTATUS status;
949
950	if (sd_len == 0) {
951	return NT_STATUS_INVALID_PARAMETER;
952	}
953
954	status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
955
956	if (!NT_STATUS_IS_OK(status)) {
957	return status;
958	}
959
960	return set_sd(fsp, psd, security_info_sent);
961	}
962
963	/****************************************************************************
964	Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
965	****************************************************************************/
966
967	struct ea_list read_nttrans_ea_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
968	{
969	struct ea_list *ea_list_head = NULL;
970	size_t offset = 0;
971
972	if (data_size < 4) {
973	return NULL;
974	}
975
976	while (offset + 4 <= data_size) {
977	size_t next_offset = IVAL(pdata,offset);
978	struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
979
980	if (!eal) {
981	return NULL;
982	}
983
984	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
985	if (next_offset == 0) {
986	break;
987	}
988
989	/* Integer wrap protection for the increment. */
990	if (offset + next_offset < offset) {
991	break;
992	}
993
994	offset += next_offset;
995
996	/* Integer wrap protection for while loop. */
997	if (offset + 4 < offset) {
998	break;
999	}
1000
1001	}
1002
1003	return ea_list_head;
1004	}
1005
1006	/****************************************************************************
1007	Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
1008	****************************************************************************/
1009
1010	static void call_nt_transact_create(connection_struct *conn,
1011	struct smb_request *req,
1012	uint16 **ppsetup, uint32 setup_count,
1013	char **ppparams, uint32 parameter_count,
1014	char **ppdata, uint32 data_count,
1015	uint32 max_data_count)
1016	{
1017	struct smb_filename *smb_fname = NULL;
1018	char *fname = NULL;
1019	char params = ppparams;
1020	char data = ppdata;
1021	/* Breakout the oplock request bits so we can set the reply bits separately. */
1022	uint32 fattr=0;
1023	SMB_OFF_T file_len = 0;
1024	int info = 0;
1025	files_struct *fsp = NULL;
1026	char *p = NULL;
1027	uint32 flags;
1028	uint32 access_mask;
1029	uint32 file_attributes;
1030	uint32 share_access;
1031	uint32 create_disposition;
1032	uint32 create_options;
1033	uint32 sd_len;
1034	struct security_descriptor *sd = NULL;
1035	uint32 ea_len;
1036	uint16 root_dir_fid;
1037	struct timespec create_timespec;
1038	struct timespec c_timespec;
1039	struct timespec a_timespec;
1040	struct timespec m_timespec;
1041	struct timespec write_time_ts;
1042	struct ea_list *ea_list = NULL;
1043	NTSTATUS status;
1044	size_t param_len;
1045	uint64_t allocation_size;
1046	int oplock_request;
1047	uint8_t oplock_granted;
1048	struct case_semantics_state *case_state = NULL;
1049	TALLOC_CTX *ctx = talloc_tos();
1050
1051	DEBUG(5,("call_nt_transact_create\n"));
1052
1053	/*
1054	* If it's an IPC, use the pipe handler.
1055	*/
1056
1057	if (IS_IPC(conn)) {
1058	if (lp_nt_pipe_support()) {
1059	do_nt_transact_create_pipe(
1060	conn, req,
1061	ppsetup, setup_count,
1062	ppparams, parameter_count,
1063	ppdata, data_count);
1064	goto out;
1065	}
1066	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1067	goto out;
1068	}
1069
1070	/*
1071	* Ensure minimum number of parameters sent.
1072	*/
1073
1074	if(parameter_count < 54) {
1075	DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1076	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1077	goto out;
1078	}
1079
1080	flags = IVAL(params,0);
1081	access_mask = IVAL(params,8);
1082	file_attributes = IVAL(params,20);
1083	share_access = IVAL(params,24);
1084	create_disposition = IVAL(params,28);
1085	create_options = IVAL(params,32);
1086	sd_len = IVAL(params,36);
1087	ea_len = IVAL(params,40);
1088	root_dir_fid = (uint16)IVAL(params,4);
1089	allocation_size = BVAL(params,12);
1090
1091	/*
1092	* we need to remove ignored bits when they come directly from the client
1093	* because we reuse some of them for internal stuff
1094	*/
1095	create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1096
1097	/* Ensure the data_len is correct for the sd and ea values given. */
1098	if ((ea_len + sd_len > data_count)
1099	\|\| (ea_len > data_count) \|\| (sd_len > data_count)
1100	\|\| (ea_len + sd_len < ea_len) \|\| (ea_len + sd_len < sd_len)) {
1101	DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1102	"%u, data_count = %u\n", (unsigned int)ea_len,
1103	(unsigned int)sd_len, (unsigned int)data_count));
1104	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1105	goto out;
1106	}
1107
1108	if (sd_len) {
1109	DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1110	sd_len));
1111
1112	status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1113	&sd);
1114	if (!NT_STATUS_IS_OK(status)) {
1115	DEBUG(10, ("call_nt_transact_create: "
1116	"unmarshall_sec_desc failed: %s\n",
1117	nt_errstr(status)));
1118	reply_nterror(req, status);
1119	goto out;
1120	}
1121	}
1122
1123	if (ea_len) {
1124	if (!lp_ea_support(SNUM(conn))) {
1125	DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1126	"EA's not supported.\n",
1127	(unsigned int)ea_len));
1128	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1129	goto out;
1130	}
1131
1132	if (ea_len < 10) {
1133	DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1134	"too small (should be more than 10)\n",
1135	(unsigned int)ea_len ));
1136	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1137	goto out;
1138	}
1139
1140	/* We have already checked that ea_len <= data_count here. */
1141	ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1142	ea_len);
1143	if (ea_list == NULL) {
1144	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1145	goto out;
1146	}
1147	}
1148
1149	srvstr_get_path(ctx, params, req->flags2, &fname,
1150	params+53, parameter_count-53,
1151	STR_TERMINATE, &status);
1152	if (!NT_STATUS_IS_OK(status)) {
1153	reply_nterror(req, status);
1154	goto out;
1155	}
1156
1157	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1158	case_state = set_posix_case_semantics(ctx, conn);
1159	if (!case_state) {
1160	reply_nterror(req, NT_STATUS_NO_MEMORY);
1161	goto out;
1162	}
1163	}
1164
1165	status = filename_convert(ctx,
1166	conn,
1167	req->flags2 & FLAGS2_DFS_PATHNAMES,
1168	fname,
1169	(create_disposition == FILE_CREATE)
1170	? UCF_CREATING_FILE : 0,
1171	NULL,
1172	&smb_fname);
1173
1174	TALLOC_FREE(case_state);
1175
1176	if (!NT_STATUS_IS_OK(status)) {
1177	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1178	reply_botherror(req,
1179	NT_STATUS_PATH_NOT_COVERED,
1180	ERRSRV, ERRbadpath);
1181	goto out;
1182	}
1183	reply_nterror(req, status);
1184	goto out;
1185	}
1186
1187	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1188	if (oplock_request) {
1189	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK)
1190	? BATCH_OPLOCK : 0;
1191	}
1192
1193	/*
1194	* Bug #6898 - clients using Windows opens should
1195	* never be able to set this attribute into the
1196	* VFS.
1197	*/
1198	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1199
1200	status = SMB_VFS_CREATE_FILE(
1201	conn, /* conn */
1202	req, /* req */
1203	root_dir_fid, /* root_dir_fid */
1204	smb_fname, /* fname */
1205	access_mask, /* access_mask */
1206	share_access, /* share_access */
1207	create_disposition, /* create_disposition*/
1208	create_options, /* create_options */
1209	file_attributes, /* file_attributes */
1210	oplock_request, /* oplock_request */
1211	allocation_size, /* allocation_size */
1212	0, /* private_flags */
1213	sd, /* sd */
1214	ea_list, /* ea_list */
1215	&fsp, /* result */
1216	&info); /* pinfo */
1217
1218	if(!NT_STATUS_IS_OK(status)) {
1219	if (open_was_deferred(req->mid)) {
1220	/* We have re-scheduled this call, no error. */
1221	return;
1222	}
1223	reply_openerror(req, status);
1224	goto out;
1225	}
1226
1227	/* Ensure we're pointing at the correct stat struct. */
1228	TALLOC_FREE(smb_fname);
1229	smb_fname = fsp->fsp_name;
1230
1231	/*
1232	* If the caller set the extended oplock request bit
1233	* and we granted one (by whatever means) - set the
1234	* correct bit for extended oplock reply.
1235	*/
1236
1237	if (oplock_request &&
1238	(lp_fake_oplocks(SNUM(conn))
1239	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1240
1241	/*
1242	* Exclusive oplock granted
1243	*/
1244
1245	if (flags & REQUEST_BATCH_OPLOCK) {
1246	oplock_granted = BATCH_OPLOCK_RETURN;
1247	} else {
1248	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1249	}
1250	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1251	oplock_granted = LEVEL_II_OPLOCK_RETURN;
1252	} else {
1253	oplock_granted = NO_OPLOCK_RETURN;
1254	}
1255
1256	file_len = smb_fname->st.st_ex_size;
1257
1258	/* Realloc the size of parameters and data we will return */
1259	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1260	/* Extended response is 32 more byyes. */
1261	param_len = 101;
1262	} else {
1263	param_len = 69;
1264	}
1265	params = nttrans_realloc(ppparams, param_len);
1266	if(params == NULL) {
1267	reply_nterror(req, NT_STATUS_NO_MEMORY);
1268	goto out;
1269	}
1270
1271	p = params;
1272	SCVAL(p, 0, oplock_granted);
1273
1274	p += 2;
1275	SSVAL(p,0,fsp->fnum);
1276	p += 2;
1277	if ((create_disposition == FILE_SUPERSEDE)
1278	&& (info == FILE_WAS_OVERWRITTEN)) {
1279	SIVAL(p,0,FILE_WAS_SUPERSEDED);
1280	} else {
1281	SIVAL(p,0,info);
1282	}
1283	p += 8;
1284
1285	fattr = dos_mode(conn, smb_fname);
1286	if (fattr == 0) {
1287	fattr = FILE_ATTRIBUTE_NORMAL;
1288	}
1289
1290	/* Deal with other possible opens having a modified
1291	write time. JRA. */
1292	ZERO_STRUCT(write_time_ts);
1293	get_file_infos(fsp->file_id, 0, NULL, &write_time_ts);
1294	if (!null_timespec(write_time_ts)) {
1295	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1296	}
1297
1298	/* Create time. */
1299	create_timespec = get_create_timespec(conn, fsp, smb_fname);
1300	a_timespec = smb_fname->st.st_ex_atime;
1301	m_timespec = smb_fname->st.st_ex_mtime;
1302	c_timespec = get_change_timespec(conn, fsp, smb_fname);
1303
1304	if (lp_dos_filetime_resolution(SNUM(conn))) {
1305	dos_filetime_timespec(&create_timespec);
1306	dos_filetime_timespec(&a_timespec);
1307	dos_filetime_timespec(&m_timespec);
1308	dos_filetime_timespec(&c_timespec);
1309	}
1310
1311	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1312	p += 8;
1313	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1314	p += 8;
1315	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1316	p += 8;
1317	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1318	p += 8;
1319	SIVAL(p,0,fattr); /* File Attributes. */
1320	p += 4;
1321	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1322	p += 8;
1323	SOFF_T(p,0,file_len);
1324	p += 8;
1325	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1326	uint16_t file_status = (NO_EAS\|NO_SUBSTREAMS\|NO_REPARSETAG);
1327	size_t num_names = 0;
1328	unsigned int num_streams = 0;
1329	struct stream_struct *streams = NULL;
1330
1331	/* Do we have any EA's ? */
1332	status = get_ea_names_from_file(ctx, conn, fsp,
1333	smb_fname->base_name, NULL, &num_names);
1334	if (NT_STATUS_IS_OK(status) && num_names) {
1335	file_status &= ~NO_EAS;
1336	}
1337	status = vfs_streaminfo(conn, NULL, smb_fname->base_name, ctx,
1338	&num_streams, &streams);
1339	/* There is always one stream, ::$DATA. */
1340	if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1341	file_status &= ~NO_SUBSTREAMS;
1342	}
1343	TALLOC_FREE(streams);
1344	SSVAL(p,2,file_status);
1345	}
1346	p += 4;
1347	SCVAL(p,0,fsp->is_directory ? 1 : 0);
1348
1349	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1350	uint32 perms = 0;
1351	p += 25;
1352	if (fsp->is_directory \|\|
1353	can_write_to_file(conn, smb_fname)) {
1354	perms = FILE_GENERIC_ALL;
1355	} else {
1356	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
1357	}
1358	SIVAL(p,0,perms);
1359	}
1360
1361	DEBUG(5,("call_nt_transact_create: open name = %s\n",
1362	smb_fname_str_dbg(smb_fname)));
1363
1364	/* Send the required number of replies */
1365	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1366	out:
1367	return;
1368	}
1369
1370	/****************************************************************************
1371	Reply to a NT CANCEL request.
1372	conn POINTER CAN BE NULL HERE !
1373	****************************************************************************/
1374
1375	void reply_ntcancel(struct smb_request *req)
1376	{
1377	/*
1378	* Go through and cancel any pending change notifies.
1379	*/
1380
1381	START_PROFILE(SMBntcancel);
1382	srv_cancel_sign_response(req->sconn);
1383	remove_pending_change_notify_requests_by_mid(req->sconn, req->mid);
1384	remove_pending_lock_requests_by_mid_smb1(req->sconn, req->mid);
1385
1386	DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1387	(unsigned long long)req->mid));
1388
1389	END_PROFILE(SMBntcancel);
1390	return;
1391	}
1392
1393	/****************************************************************************
1394	Copy a file.
1395	****************************************************************************/
1396
1397	static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1398	connection_struct *conn,
1399	struct smb_request *req,
1400	struct smb_filename *smb_fname_src,
1401	struct smb_filename *smb_fname_dst,
1402	uint32 attrs)
1403	{
1404	files_struct fsp1,fsp2;
1405	uint32 fattr;
1406	int info;
1407	SMB_OFF_T ret=-1;
1408	NTSTATUS status = NT_STATUS_OK;
1409	char *parent;
1410
1411	if (!CAN_WRITE(conn)) {
1412	status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1413	goto out;
1414	}
1415
1416	/* Source must already exist. */
1417	if (!VALID_STAT(smb_fname_src->st)) {
1418	status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1419	goto out;
1420	}
1421
1422	/* Ensure attributes match. */
1423	fattr = dos_mode(conn, smb_fname_src);
1424	if ((fattr & ~attrs) & (FILE_ATTRIBUTE_HIDDEN \| FILE_ATTRIBUTE_SYSTEM)) {
1425	status = NT_STATUS_NO_SUCH_FILE;
1426	goto out;
1427	}
1428
1429	/* Disallow if dst file already exists. */
1430	if (VALID_STAT(smb_fname_dst->st)) {
1431	status = NT_STATUS_OBJECT_NAME_COLLISION;
1432	goto out;
1433	}
1434
1435	/* No links from a directory. */
1436	if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1437	status = NT_STATUS_FILE_IS_A_DIRECTORY;
1438	goto out;
1439	}
1440
1441	DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1442	smb_fname_str_dbg(smb_fname_src),
1443	smb_fname_str_dbg(smb_fname_dst)));
1444
1445	status = SMB_VFS_CREATE_FILE(
1446	conn, /* conn */
1447	req, /* req */
1448	0, /* root_dir_fid */
1449	smb_fname_src, /* fname */
1450	FILE_READ_DATA\|FILE_READ_ATTRIBUTES\|
1451	FILE_READ_EA, /* access_mask */
1452	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1453	FILE_SHARE_DELETE),
1454	FILE_OPEN, /* create_disposition*/
1455	0, /* create_options */
1456	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1457	NO_OPLOCK, /* oplock_request */
1458	0, /* allocation_size */
1459	0, /* private_flags */
1460	NULL, /* sd */
1461	NULL, /* ea_list */
1462	&fsp1, /* result */
1463	&info); /* pinfo */
1464
1465	if (!NT_STATUS_IS_OK(status)) {
1466	goto out;
1467	}
1468
1469	status = SMB_VFS_CREATE_FILE(
1470	conn, /* conn */
1471	req, /* req */
1472	0, /* root_dir_fid */
1473	smb_fname_dst, /* fname */
1474	FILE_WRITE_DATA\|FILE_WRITE_ATTRIBUTES\|
1475	FILE_WRITE_EA, /* access_mask */
1476	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1477	FILE_SHARE_DELETE),
1478	FILE_CREATE, /* create_disposition*/
1479	0, /* create_options */
1480	fattr, /* file_attributes */
1481	NO_OPLOCK, /* oplock_request */
1482	0, /* allocation_size */
1483	0, /* private_flags */
1484	NULL, /* sd */
1485	NULL, /* ea_list */
1486	&fsp2, /* result */
1487	&info); /* pinfo */
1488
1489	if (!NT_STATUS_IS_OK(status)) {
1490	close_file(NULL, fsp1, ERROR_CLOSE);
1491	goto out;
1492	}
1493
1494	if (smb_fname_src->st.st_ex_size) {
1495	ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1496	}
1497
1498	/*
1499	* As we are opening fsp1 read-only we only expect
1500	* an error on close on fsp2 if we are out of space.
1501	* Thus we don't look at the error return from the
1502	* close of fsp1.
1503	*/
1504	close_file(NULL, fsp1, NORMAL_CLOSE);
1505
1506	/* Ensure the modtime is set correctly on the destination file. */
1507	set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1508
1509	status = close_file(NULL, fsp2, NORMAL_CLOSE);
1510
1511	/* Grrr. We have to do this as open_file_ntcreate adds FILE_ATTRIBUTE_ARCHIVE when it
1512	creates the file. This isn't the correct thing to do in the copy
1513	case. JRA */
1514	if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1515	NULL)) {
1516	status = NT_STATUS_NO_MEMORY;
1517	goto out;
1518	}
1519	file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1520	TALLOC_FREE(parent);
1521
1522	if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1523	status = NT_STATUS_DISK_FULL;
1524	goto out;
1525	}
1526	out:
1527	if (!NT_STATUS_IS_OK(status)) {
1528	DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1529	nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1530	smb_fname_str_dbg(smb_fname_dst)));
1531	}
1532
1533	return status;
1534	}
1535
1536	/****************************************************************************
1537	Reply to a NT rename request.
1538	****************************************************************************/
1539
1540	void reply_ntrename(struct smb_request *req)
1541	{
1542	connection_struct *conn = req->conn;
1543	struct smb_filename *smb_fname_old = NULL;
1544	struct smb_filename *smb_fname_new = NULL;
1545	char *oldname = NULL;
1546	char *newname = NULL;
1547	const char *p;
1548	NTSTATUS status;
1549	bool src_has_wcard = False;
1550	bool dest_has_wcard = False;
1551	uint32 attrs;
1552	uint32_t ucf_flags_src = 0;
1553	uint32_t ucf_flags_dst = 0;
1554	uint16 rename_type;
1555	TALLOC_CTX *ctx = talloc_tos();
1556	bool stream_rename = false;
1557
1558	START_PROFILE(SMBntrename);
1559
1560	if (req->wct < 4) {
1561	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1562	goto out;
1563	}
1564
1565	attrs = SVAL(req->vwv+0, 0);
1566	rename_type = SVAL(req->vwv+1, 0);
1567
1568	p = (const char *)req->buf + 1;
1569	p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1570	&status, &src_has_wcard);
1571	if (!NT_STATUS_IS_OK(status)) {
1572	reply_nterror(req, status);
1573	goto out;
1574	}
1575
1576	if (ms_has_wild(oldname)) {
1577	reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1578	goto out;
1579	}
1580
1581	p++;
1582	p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1583	&status, &dest_has_wcard);
1584	if (!NT_STATUS_IS_OK(status)) {
1585	reply_nterror(req, status);
1586	goto out;
1587	}
1588
1589	if (!lp_posix_pathnames()) {
1590	/* The newname must begin with a ':' if the
1591	oldname contains a ':'. */
1592	if (strchr_m(oldname, ':')) {
1593	if (newname[0] != ':') {
1594	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1595	goto out;
1596	}
1597	stream_rename = true;
1598	}
1599	}
1600
1601	/*
1602	* If this is a rename operation, allow wildcards and save the
1603	* destination's last component.
1604	*/
1605	if (rename_type == RENAME_FLAG_RENAME) {
1606	ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1607	ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP \| UCF_SAVE_LCOMP;
1608	}
1609
1610	/* rename_internals() calls unix_convert(), so don't call it here. */
1611	status = filename_convert(ctx, conn,
1612	req->flags2 & FLAGS2_DFS_PATHNAMES,
1613	oldname,
1614	ucf_flags_src,
1615	NULL,
1616	&smb_fname_old);
1617	if (!NT_STATUS_IS_OK(status)) {
1618	if (NT_STATUS_EQUAL(status,
1619	NT_STATUS_PATH_NOT_COVERED)) {
1620	reply_botherror(req,
1621	NT_STATUS_PATH_NOT_COVERED,
1622	ERRSRV, ERRbadpath);
1623	goto out;
1624	}
1625	reply_nterror(req, status);
1626	goto out;
1627	}
1628
1629	status = filename_convert(ctx, conn,
1630	req->flags2 & FLAGS2_DFS_PATHNAMES,
1631	newname,
1632	ucf_flags_dst,
1633	&dest_has_wcard,
1634	&smb_fname_new);
1635	if (!NT_STATUS_IS_OK(status)) {
1636	if (NT_STATUS_EQUAL(status,
1637	NT_STATUS_PATH_NOT_COVERED)) {
1638	reply_botherror(req,
1639	NT_STATUS_PATH_NOT_COVERED,
1640	ERRSRV, ERRbadpath);
1641	goto out;
1642	}
1643	reply_nterror(req, status);
1644	goto out;
1645	}
1646
1647	if (stream_rename) {
1648	/* smb_fname_new must be the same as smb_fname_old. */
1649	TALLOC_FREE(smb_fname_new->base_name);
1650	smb_fname_new->base_name = talloc_strdup(smb_fname_new,
1651	smb_fname_old->base_name);
1652	if (!smb_fname_new->base_name) {
1653	reply_nterror(req, NT_STATUS_NO_MEMORY);
1654	goto out;
1655	}
1656	}
1657
1658	DEBUG(3,("reply_ntrename: %s -> %s\n",
1659	smb_fname_str_dbg(smb_fname_old),
1660	smb_fname_str_dbg(smb_fname_new)));
1661
1662	switch(rename_type) {
1663	case RENAME_FLAG_RENAME:
1664	status = rename_internals(ctx, conn, req,
1665	smb_fname_old, smb_fname_new,
1666	attrs, False, src_has_wcard,
1667	dest_has_wcard,
1668	DELETE_ACCESS);
1669	break;
1670	case RENAME_FLAG_HARD_LINK:
1671	if (src_has_wcard \|\| dest_has_wcard) {
1672	/* No wildcards. */
1673	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1674	} else {
1675	status = hardlink_internals(ctx, conn,
1676	req,
1677	false,
1678	smb_fname_old,
1679	smb_fname_new);
1680	}
1681	break;
1682	case RENAME_FLAG_COPY:
1683	if (src_has_wcard \|\| dest_has_wcard) {
1684	/* No wildcards. */
1685	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1686	} else {
1687	status = copy_internals(ctx, conn, req,
1688	smb_fname_old,
1689	smb_fname_new,
1690	attrs);
1691	}
1692	break;
1693	case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1694	status = NT_STATUS_INVALID_PARAMETER;
1695	break;
1696	default:
1697	status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1698	break;
1699	}
1700
1701	if (!NT_STATUS_IS_OK(status)) {
1702	if (open_was_deferred(req->mid)) {
1703	/* We have re-scheduled this call. */
1704	goto out;
1705	}
1706
1707	reply_nterror(req, status);
1708	goto out;
1709	}
1710
1711	reply_outbuf(req, 0, 0);
1712	out:
1713	END_PROFILE(SMBntrename);
1714	return;
1715	}
1716
1717	/****************************************************************************
1718	Reply to a notify change - queue the request and
1719	don't allow a directory to be opened.
1720	****************************************************************************/
1721
1722	static void smbd_smb1_notify_reply(struct smb_request *req,
1723	NTSTATUS error_code,
1724	uint8_t *buf, size_t len)
1725	{
1726	send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1727	}
1728
1729	static void call_nt_transact_notify_change(connection_struct *conn,
1730	struct smb_request *req,
1731	uint16 **ppsetup,
1732	uint32 setup_count,
1733	char **ppparams,
1734	uint32 parameter_count,
1735	char **ppdata, uint32 data_count,
1736	uint32 max_data_count,
1737	uint32 max_param_count)
1738	{
1739	uint16 setup = ppsetup;
1740	files_struct *fsp;
1741	uint32 filter;
1742	NTSTATUS status;
1743	bool recursive;
1744
1745	if(setup_count < 6) {
1746	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1747	return;
1748	}
1749
1750	fsp = file_fsp(req, SVAL(setup,4));
1751	filter = IVAL(setup, 0);
1752	recursive = (SVAL(setup, 6) != 0) ? True : False;
1753
1754	DEBUG(3,("call_nt_transact_notify_change\n"));
1755
1756	if(!fsp) {
1757	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1758	return;
1759	}
1760
1761	{
1762	char *filter_string;
1763
1764	if (!(filter_string = notify_filter_string(NULL, filter))) {
1765	reply_nterror(req,NT_STATUS_NO_MEMORY);
1766	return;
1767	}
1768
1769	DEBUG(3,("call_nt_transact_notify_change: notify change "
1770	"called on %s, filter = %s, recursive = %d\n",
1771	fsp_str_dbg(fsp), filter_string, recursive));
1772
1773	TALLOC_FREE(filter_string);
1774	}
1775
1776	if((!fsp->is_directory) \|\| (conn != fsp->conn)) {
1777	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1778	return;
1779	}
1780
1781	if (fsp->notify == NULL) {
1782
1783	status = change_notify_create(fsp, filter, recursive);
1784
1785	if (!NT_STATUS_IS_OK(status)) {
1786	DEBUG(10, ("change_notify_create returned %s\n",
1787	nt_errstr(status)));
1788	reply_nterror(req, status);
1789	return;
1790	}
1791	}
1792
1793	if (fsp->notify->num_changes != 0) {
1794
1795	/*
1796	* We've got changes pending, respond immediately
1797	*/
1798
1799	/*
1800	* TODO: write a torture test to check the filtering behaviour
1801	* here.
1802	*/
1803
1804	change_notify_reply(req,
1805	NT_STATUS_OK,
1806	max_param_count,
1807	fsp->notify,
1808	smbd_smb1_notify_reply);
1809
1810	/*
1811	* change_notify_reply() above has independently sent its
1812	* results
1813	*/
1814	return;
1815	}
1816
1817	/*
1818	* No changes pending, queue the request
1819	*/
1820
1821	status = change_notify_add_request(req,
1822	max_param_count,
1823	filter,
1824	recursive, fsp,
1825	smbd_smb1_notify_reply);
1826	if (!NT_STATUS_IS_OK(status)) {
1827	reply_nterror(req, status);
1828	}
1829	return;
1830	}
1831
1832	/****************************************************************************
1833	Reply to an NT transact rename command.
1834	****************************************************************************/
1835
1836	static void call_nt_transact_rename(connection_struct *conn,
1837	struct smb_request *req,
1838	uint16 **ppsetup, uint32 setup_count,
1839	char **ppparams, uint32 parameter_count,
1840	char **ppdata, uint32 data_count,
1841	uint32 max_data_count)
1842	{
1843	char params = ppparams;
1844	char *new_name = NULL;
1845	files_struct *fsp = NULL;
1846	bool dest_has_wcard = False;
1847	NTSTATUS status;
1848	TALLOC_CTX *ctx = talloc_tos();
1849
1850	if(parameter_count < 5) {
1851	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1852	return;
1853	}
1854
1855	fsp = file_fsp(req, SVAL(params, 0));
1856	if (!check_fsp(conn, req, fsp)) {
1857	return;
1858	}
1859	srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1860	parameter_count - 4,
1861	STR_TERMINATE, &status, &dest_has_wcard);
1862	if (!NT_STATUS_IS_OK(status)) {
1863	reply_nterror(req, status);
1864	return;
1865	}
1866
1867	/*
1868	* W2K3 ignores this request as the RAW-RENAME test
1869	* demonstrates, so we do.
1870	*/
1871	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1872
1873	DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1874	fsp_str_dbg(fsp), new_name));
1875
1876	return;
1877	}
1878
1879	/******************************************************************************
1880	Fake up a completely empty SD.
1881	*******************************************************************************/
1882
1883	static NTSTATUS get_null_nt_acl(TALLOC_CTX mem_ctx, struct security_descriptor *ppsd)
1884	{
1885	size_t sd_size;
1886
1887	*ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1888	if(!*ppsd) {
1889	DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1890	return NT_STATUS_NO_MEMORY;
1891	}
1892
1893	return NT_STATUS_OK;
1894	}
1895
1896	/****************************************************************************
1897	Reply to query a security descriptor.
1898	Callable from SMB2 and SMB2.
1899	If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1900	the required size.
1901	****************************************************************************/
1902
1903	NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1904	TALLOC_CTX *mem_ctx,
1905	files_struct *fsp,
1906	uint32_t security_info_wanted,
1907	uint32_t max_data_count,
1908	uint8_t **ppmarshalled_sd,
1909	size_t *psd_size)
1910	{
1911	NTSTATUS status;
1912	struct security_descriptor *psd = NULL;
1913
1914	/*
1915	* Get the permissions to return.
1916	*/
1917
1918	if ((security_info_wanted & SECINFO_SACL) &&
1919	!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1920	return NT_STATUS_ACCESS_DENIED;
1921	}
1922
1923	if ((security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|SECINFO_GROUP)) &&
1924	!(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1925	return NT_STATUS_ACCESS_DENIED;
1926	}
1927
1928	if (security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|
1929	SECINFO_GROUP\|SECINFO_SACL)) {
1930	/* Don't return SECINFO_LABEL if anything else was
1931	requested. See bug #8458. */
1932	security_info_wanted &= ~SECINFO_LABEL;
1933	}
1934
1935	if (!lp_nt_acl_support(SNUM(conn))) {
1936	status = get_null_nt_acl(mem_ctx, &psd);
1937	} else if (security_info_wanted & SECINFO_LABEL) {
1938	/* Like W2K3 return a null object. */
1939	status = get_null_nt_acl(mem_ctx, &psd);
1940	} else {
1941	status = SMB_VFS_FGET_NT_ACL(
1942	fsp, security_info_wanted, &psd);
1943	}
1944	if (!NT_STATUS_IS_OK(status)) {
1945	return status;
1946	}
1947
1948	if (!(security_info_wanted & SECINFO_OWNER)) {
1949	psd->owner_sid = NULL;
1950	}
1951	if (!(security_info_wanted & SECINFO_GROUP)) {
1952	psd->group_sid = NULL;
1953	}
1954	if (!(security_info_wanted & SECINFO_DACL)) {
1955	psd->type &= ~SEC_DESC_DACL_PRESENT;
1956	psd->dacl = NULL;
1957	}
1958	if (!(security_info_wanted & SECINFO_SACL)) {
1959	psd->type &= ~SEC_DESC_SACL_PRESENT;
1960	psd->sacl = NULL;
1961	}
1962
1963	/* If the SACL/DACL is NULL, but was requested, we mark that it is
1964	* present in the reply to match Windows behavior */
1965	if (psd->sacl == NULL &&
1966	security_info_wanted & SECINFO_SACL)
1967	psd->type \|= SEC_DESC_SACL_PRESENT;
1968	if (psd->dacl == NULL &&
1969	security_info_wanted & SECINFO_DACL)
1970	psd->type \|= SEC_DESC_DACL_PRESENT;
1971
1972	if (security_info_wanted & SECINFO_LABEL) {
1973	/* Like W2K3 return a null object. */
1974	psd->owner_sid = NULL;
1975	psd->group_sid = NULL;
1976	psd->dacl = NULL;
1977	psd->sacl = NULL;
1978	psd->type &= ~(SEC_DESC_DACL_PRESENT\|SEC_DESC_SACL_PRESENT);
1979	}
1980
1981	*psd_size = ndr_size_security_descriptor(psd, 0);
1982
1983	DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1984	(unsigned long)*psd_size));
1985
1986	if (DEBUGLEVEL >= 10) {
1987	DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1988	fsp_str_dbg(fsp)));
1989	NDR_PRINT_DEBUG(security_descriptor, psd);
1990	}
1991
1992	if (max_data_count < *psd_size) {
1993	TALLOC_FREE(psd);
1994	return NT_STATUS_BUFFER_TOO_SMALL;
1995	}
1996
1997	status = marshall_sec_desc(mem_ctx, psd,
1998	ppmarshalled_sd, psd_size);
1999
2000	if (!NT_STATUS_IS_OK(status)) {
2001	TALLOC_FREE(psd);
2002	return status;
2003	}
2004
2005	TALLOC_FREE(psd);
2006	return NT_STATUS_OK;
2007	}
2008
2009	/****************************************************************************
2010	SMB1 reply to query a security descriptor.
2011	****************************************************************************/
2012
2013	static void call_nt_transact_query_security_desc(connection_struct *conn,
2014	struct smb_request *req,
2015	uint16 **ppsetup,
2016	uint32 setup_count,
2017	char **ppparams,
2018	uint32 parameter_count,
2019	char **ppdata,
2020	uint32 data_count,
2021	uint32 max_data_count)
2022	{
2023	char params = ppparams;
2024	char data = ppdata;
2025	size_t sd_size = 0;
2026	uint32 security_info_wanted;
2027	files_struct *fsp = NULL;
2028	NTSTATUS status;
2029	uint8_t *marshalled_sd = NULL;
2030
2031	if(parameter_count < 8) {
2032	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2033	return;
2034	}
2035
2036	fsp = file_fsp(req, SVAL(params,0));
2037	if(!fsp) {
2038	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2039	return;
2040	}
2041
2042	security_info_wanted = IVAL(params,4);
2043
2044	DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
2045	"info_wanted = 0x%x\n", fsp_str_dbg(fsp),
2046	(unsigned int)security_info_wanted));
2047
2048	params = nttrans_realloc(ppparams, 4);
2049	if(params == NULL) {
2050	reply_nterror(req, NT_STATUS_NO_MEMORY);
2051	return;
2052	}
2053
2054	/*
2055	* Get the permissions to return.
2056	*/
2057
2058	status = smbd_do_query_security_desc(conn,
2059	talloc_tos(),
2060	fsp,
2061	security_info_wanted,
2062	max_data_count,
2063	&marshalled_sd,
2064	&sd_size);
2065
2066	if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
2067	SIVAL(params,0,(uint32_t)sd_size);
2068	send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2069	params, 4, NULL, 0);
2070	return;
2071	}
2072
2073	if (!NT_STATUS_IS_OK(status)) {
2074	reply_nterror(req, status);
2075	return;
2076	}
2077
2078	SMB_ASSERT(sd_size > 0);
2079
2080	SIVAL(params,0,(uint32_t)sd_size);
2081
2082	if (max_data_count < sd_size) {
2083	send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
2084	params, 4, NULL, 0);
2085	return;
2086	}
2087
2088	/*
2089	* Allocate the data we will return.
2090	*/
2091
2092	data = nttrans_realloc(ppdata, sd_size);
2093	if(data == NULL) {
2094	reply_nterror(req, NT_STATUS_NO_MEMORY);
2095	return;
2096	}
2097
2098	memcpy(data, marshalled_sd, sd_size);
2099
2100	send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
2101
2102	return;
2103	}
2104
2105	/****************************************************************************
2106	Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
2107	****************************************************************************/
2108
2109	static void call_nt_transact_set_security_desc(connection_struct *conn,
2110	struct smb_request *req,
2111	uint16 **ppsetup,
2112	uint32 setup_count,
2113	char **ppparams,
2114	uint32 parameter_count,
2115	char **ppdata,
2116	uint32 data_count,
2117	uint32 max_data_count)
2118	{
2119	char params= ppparams;
2120	char data = ppdata;
2121	files_struct *fsp = NULL;
2122	uint32 security_info_sent = 0;
2123	NTSTATUS status;
2124
2125	if(parameter_count < 8) {
2126	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2127	return;
2128	}
2129
2130	if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
2131	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2132	return;
2133	}
2134
2135	if (!CAN_WRITE(fsp->conn)) {
2136	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2137	return;
2138	}
2139
2140	if(!lp_nt_acl_support(SNUM(conn))) {
2141	goto done;
2142	}
2143
2144	security_info_sent = IVAL(params,4);
2145
2146	DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2147	fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2148
2149	if (data_count == 0) {
2150	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2151	return;
2152	}
2153
2154	status = set_sd_blob(fsp, (uint8 *)data, data_count, security_info_sent);
2155
2156	if (!NT_STATUS_IS_OK(status)) {
2157	reply_nterror(req, status);
2158	return;
2159	}
2160
2161	done:
2162	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2163	return;
2164	}
2165
2166	/*
2167	* Implement the default fsctl operation.
2168	*/
2169
2170	static bool vfswrap_logged_ioctl_message = false;
2171
2172	/*
2173	* In 3.6 we do not have a SMB_VFS_FSCTL() function
2174	* it's just faked to make it more look like
2175	* master (4.0)
2176	*/
2177	NTSTATUS smb_fsctl(struct files_struct *fsp,
2178	TALLOC_CTX *ctx,
2179	uint32_t function,
2180	uint16_t req_flags, /* Needed for UNICODE ... */
2181	const uint8_t *_in_data,
2182	uint32_t in_len,
2183	uint8_t **_out_data,
2184	uint32_t max_out_len,
2185	uint32_t *out_len)
2186	{
2187	const char in_data = (const char )_in_data;
2188	char out_data = (char )_out_data;
2189
2190	switch (function) {
2191	case FSCTL_SET_SPARSE:
2192	{
2193	bool set_sparse = true;
2194	NTSTATUS status;
2195
2196	if (in_len >= 1 && in_data[0] == 0) {
2197	set_sparse = false;
2198	}
2199
2200	status = file_set_sparse(fsp->conn, fsp, set_sparse);
2201
2202	DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
2203	("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
2204	smb_fname_str_dbg(fsp->fsp_name), set_sparse,
2205	nt_errstr(status)));
2206
2207	return status;
2208	}
2209
2210	case FSCTL_CREATE_OR_GET_OBJECT_ID:
2211	{
2212	unsigned char objid[16];
2213	char *return_data = NULL;
2214
2215	/* This should return the object-id on this file.
2216	* I think I'll make this be the inode+dev. JRA.
2217	*/
2218
2219	DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fsp->fnum));
2220
2221	*out_len = (max_out_len >= 64) ? 64 : max_out_len;
2222	/* Hmmm, will this cause problems if less data asked for? */
2223	return_data = talloc_array(ctx, char, 64);
2224	if (return_data == NULL) {
2225	return NT_STATUS_NO_MEMORY;
2226	}
2227
2228	/* For backwards compatibility only store the dev/inode. */
2229	push_file_id_16(return_data, &fsp->file_id);
2230	memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
2231	push_file_id_16(return_data+32, &fsp->file_id);
2232	*out_data = return_data;
2233	return NT_STATUS_OK;
2234	}
2235
2236	case FSCTL_GET_REPARSE_POINT:
2237	{
2238	/* Fail it with STATUS_NOT_A_REPARSE_POINT */
2239	DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2240	return NT_STATUS_NOT_A_REPARSE_POINT;
2241	}
2242
2243	case FSCTL_SET_REPARSE_POINT:
2244	{
2245	/* Fail it with STATUS_NOT_A_REPARSE_POINT */
2246	DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X] Status: NOT_IMPLEMENTED\n", fsp->fnum));
2247	return NT_STATUS_NOT_A_REPARSE_POINT;
2248	}
2249
2250	case FSCTL_GET_SHADOW_COPY_DATA:
2251	{
2252	/*
2253	* This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2254	* and return their volume names. If max_data_count is 16, then it is just
2255	* asking for the number of volumes and length of the combined names.
2256	*
2257	* pdata is the data allocated by our caller, but that uses
2258	* total_data_count (which is 0 in our case) rather than max_data_count.
2259	* Allocate the correct amount and return the pointer to let
2260	* it be deallocated when we return.
2261	*/
2262	struct shadow_copy_data *shadow_data = NULL;
2263	bool labels = False;
2264	uint32 labels_data_count = 0;
2265	uint32 i;
2266	char *cur_pdata = NULL;
2267
2268	if (max_out_len < 16) {
2269	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2270	max_out_len));
2271	return NT_STATUS_INVALID_PARAMETER;
2272	}
2273
2274	if (max_out_len > 16) {
2275	labels = True;
2276	}
2277
2278	shadow_data = talloc_zero(ctx, struct shadow_copy_data);
2279	if (shadow_data == NULL) {
2280	DEBUG(0,("TALLOC_ZERO() failed!\n"));
2281	return NT_STATUS_NO_MEMORY;
2282	}
2283
2284	/*
2285	* Call the VFS routine to actually do the work.
2286	*/
2287	if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2288	TALLOC_FREE(shadow_data);
2289	if (errno == ENOSYS) {
2290	DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2291	fsp->conn->connectpath));
2292	return NT_STATUS_NOT_SUPPORTED;
2293	} else {
2294	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2295	fsp->conn->connectpath));
2296	return NT_STATUS_UNSUCCESSFUL;
2297	}
2298	}
2299
2300	labels_data_count = (shadow_data->num_volumes * 2 *
2301	sizeof(SHADOW_COPY_LABEL)) + 2;
2302
2303	if (!labels) {
2304	*out_len = 16;
2305	} else {
2306	*out_len = 12 + labels_data_count;
2307	}
2308
2309	if (max_out_len < *out_len) {
2310	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2311	max_out_len, *out_len));
2312	TALLOC_FREE(shadow_data);
2313	return NT_STATUS_BUFFER_TOO_SMALL;
2314	}
2315
2316	cur_pdata = talloc_zero_array(ctx, char, *out_len);
2317	if (cur_pdata == NULL) {
2318	TALLOC_FREE(shadow_data);
2319	return NT_STATUS_NO_MEMORY;
2320	}
2321
2322	*out_data = cur_pdata;
2323
2324	/* num_volumes 4 bytes */
2325	SIVAL(cur_pdata, 0, shadow_data->num_volumes);
2326
2327	if (labels) {
2328	/* num_labels 4 bytes */
2329	SIVAL(cur_pdata, 4, shadow_data->num_volumes);
2330	}
2331
2332	/* needed_data_count 4 bytes */
2333	SIVAL(cur_pdata, 8, labels_data_count);
2334
2335	cur_pdata += 12;
2336
2337	DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2338	shadow_data->num_volumes, fsp_str_dbg(fsp)));
2339	if (labels && shadow_data->labels) {
2340	for (i=0; i<shadow_data->num_volumes; i++) {
2341	srvstr_push(cur_pdata, req_flags,
2342	cur_pdata, shadow_data->labels[i],
2343	2 * sizeof(SHADOW_COPY_LABEL),
2344	STR_UNICODE\|STR_TERMINATE);
2345	cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
2346	DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2347	}
2348	}
2349
2350	TALLOC_FREE(shadow_data);
2351
2352	return NT_STATUS_OK;
2353	}
2354
2355	case FSCTL_FIND_FILES_BY_SID:
2356	{
2357	/* pretend this succeeded -
2358	*
2359	* we have to send back a list with all files owned by this SID
2360	*
2361	* but I have to check that --metze
2362	*/
2363	struct dom_sid sid;
2364	uid_t uid;
2365	size_t sid_len;
2366
2367	DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n", fsp->fnum));
2368
2369	if (in_len < 8) {
2370	/* NT_STATUS_BUFFER_TOO_SMALL maybe? */
2371	return NT_STATUS_INVALID_PARAMETER;
2372	}
2373
2374	sid_len = MIN(in_len - 4,SID_MAX_SIZE);
2375
2376	/* unknown 4 bytes: this is not the length of the sid :-( */
2377	/unknown = IVAL(pdata,0);/
2378
2379	if (!sid_parse(in_data + 4, sid_len, &sid)) {
2380	return NT_STATUS_INVALID_PARAMETER;
2381	}
2382	DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2383
2384	if (!sid_to_uid(&sid, &uid)) {
2385	DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2386	sid_string_dbg(&sid),
2387	(unsigned long)sid_len));
2388	uid = (-1);
2389	}
2390
2391	/* we can take a look at the find source :-)
2392	*
2393	* find ./ -uid $uid -name '*' is what we need here
2394	*
2395	*
2396	* and send 4bytes len and then NULL terminated unicode strings
2397	* for each file
2398	*
2399	* but I don't know how to deal with the paged results
2400	* (maybe we can hang the result anywhere in the fsp struct)
2401	*
2402	* but I don't know how to deal with the paged results
2403	* (maybe we can hang the result anywhere in the fsp struct)
2404	*
2405	* we don't send all files at once
2406	* and at the next we should not start from the beginning,
2407	* so we have to cache the result
2408	*
2409	* --metze
2410	*/
2411
2412	/* this works for now... */
2413	return NT_STATUS_OK;
2414	}
2415
2416	case FSCTL_QUERY_ALLOCATED_RANGES:
2417	{
2418	/* FIXME: This is just a dummy reply, telling that all of the
2419	* file is allocated. MKS cp needs that.
2420	* Adding the real allocated ranges via FIEMAP on Linux
2421	* and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2422	* this FSCTL correct for sparse files.
2423	*/
2424	NTSTATUS status;
2425	uint64_t offset, length;
2426	char *out_data_tmp = NULL;
2427
2428	if (in_len != 16) {
2429	DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2430	in_len));
2431	return NT_STATUS_INVALID_PARAMETER;
2432	}
2433
2434	if (max_out_len < 16) {
2435	DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
2436	max_out_len));
2437	return NT_STATUS_INVALID_PARAMETER;
2438	}
2439
2440	offset = BVAL(in_data,0);
2441	length = BVAL(in_data,8);
2442
2443	if (offset + length < offset) {
2444	/* No 64-bit integer wrap. */
2445	return NT_STATUS_INVALID_PARAMETER;
2446	}
2447
2448	/* Shouldn't this be SMB_VFS_STAT ... ? */
2449	status = vfs_stat_fsp(fsp);
2450	if (!NT_STATUS_IS_OK(status)) {
2451	return status;
2452	}
2453
2454	*out_len = 16;
2455	out_data_tmp = talloc_array(ctx, char, *out_len);
2456	if (out_data_tmp == NULL) {
2457	DEBUG(10, ("unable to allocate memory for response\n"));
2458	return NT_STATUS_NO_MEMORY;
2459	}
2460
2461	if (offset > fsp->fsp_name->st.st_ex_size \|\|
2462	fsp->fsp_name->st.st_ex_size == 0 \|\|
2463	length == 0) {
2464	memset(out_data_tmp, 0, *out_len);
2465	} else {
2466	uint64_t end = offset + length;
2467	end = MIN(end, fsp->fsp_name->st.st_ex_size);
2468	SBVAL(out_data_tmp, 0, 0);
2469	SBVAL(out_data_tmp, 8, end);
2470	}
2471
2472	*out_data = out_data_tmp;
2473
2474	return NT_STATUS_OK;
2475	}
2476
2477	case FSCTL_IS_VOLUME_DIRTY:
2478	{
2479	DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on FID[0x%04X] "
2480	"(but not implemented)\n", fsp->fnum));
2481	/*
2482	* http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
2483	* says we have to respond with NT_STATUS_INVALID_PARAMETER
2484	*/
2485	return NT_STATUS_INVALID_PARAMETER;
2486	}
2487
2488	default:
2489	/*
2490	* Only print once ... unfortunately there could be lots of
2491	* different FSCTLs that are called.
2492	*/
2493	if (!vfswrap_logged_ioctl_message) {
2494	vfswrap_logged_ioctl_message = true;
2495	DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
2496	__FUNCTION__, function));
2497	}
2498	}
2499
2500	return NT_STATUS_NOT_SUPPORTED;
2501	}
2502
2503	/****************************************************************************
2504	Reply to NT IOCTL
2505	****************************************************************************/
2506
2507	static void call_nt_transact_ioctl(connection_struct *conn,
2508	struct smb_request *req,
2509	uint16 **ppsetup, uint32 setup_count,
2510	char **ppparams, uint32 parameter_count,
2511	char **ppdata, uint32 data_count,
2512	uint32 max_data_count)
2513	{
2514	NTSTATUS status;
2515	uint32 function;
2516	uint16 fidnum;
2517	files_struct *fsp;
2518	uint8 isFSctl;
2519	uint8 compfilter;
2520	char *out_data = NULL;
2521	uint32 out_data_len = 0;
2522	char pdata = ppdata;
2523	TALLOC_CTX *ctx = talloc_tos();
2524
2525	if (setup_count != 8) {
2526	DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2527	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2528	return;
2529	}
2530
2531	function = IVAL(*ppsetup, 0);
2532	fidnum = SVAL(*ppsetup, 4);
2533	isFSctl = CVAL(*ppsetup, 6);
2534	compfilter = CVAL(*ppsetup, 7);
2535
2536	DEBUG(10, ("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2537	function, fidnum, isFSctl, compfilter));
2538
2539	fsp=file_fsp(req, fidnum);
2540
2541	/*
2542	* We don't really implement IOCTLs, especially on files.
2543	*/
2544	if (!isFSctl) {
2545	DEBUG(10, ("isFSctl: 0x%02X indicates IOCTL, not FSCTL!\n",
2546	isFSctl));
2547	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2548	return;
2549	}
2550
2551	/* Has to be for an open file! */
2552	if (!check_fsp_open(conn, req, fsp)) {
2553	return;
2554	}
2555
2556	/*
2557	* out_data might be allocated by the VFS module, but talloc should be
2558	* used, and should be cleaned up when the request ends.
2559	*/
2560	status = smb_fsctl(fsp,
2561	ctx,
2562	function,
2563	req->flags2,
2564	(uint8_t *)pdata,
2565	data_count,
2566	(uint8_t **)&out_data,
2567	max_data_count,
2568	&out_data_len);
2569	if (!NT_STATUS_IS_OK(status)) {
2570	reply_nterror(req, status);
2571	} else {
2572	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, out_data, out_data_len);
2573	}
2574	}
2575
2576
2577	#ifdef HAVE_SYS_QUOTAS
2578	/****************************************************************************
2579	Reply to get user quota
2580	****************************************************************************/
2581
2582	static void call_nt_transact_get_user_quota(connection_struct *conn,
2583	struct smb_request *req,
2584	uint16 **ppsetup,
2585	uint32 setup_count,
2586	char **ppparams,
2587	uint32 parameter_count,
2588	char **ppdata,
2589	uint32 data_count,
2590	uint32 max_data_count)
2591	{
2592	NTSTATUS nt_status = NT_STATUS_OK;
2593	char params = ppparams;
2594	char pdata = ppdata;
2595	char *entry;
2596	int data_len=0,param_len=0;
2597	int qt_len=0;
2598	int entry_len = 0;
2599	files_struct *fsp = NULL;
2600	uint16 level = 0;
2601	size_t sid_len;
2602	struct dom_sid sid;
2603	bool start_enum = True;
2604	SMB_NTQUOTA_STRUCT qt;
2605	SMB_NTQUOTA_LIST *tmp_list;
2606	SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2607
2608	ZERO_STRUCT(qt);
2609
2610	/* access check */
2611	if (get_current_uid(conn) != 0) {
2612	DEBUG(1,("get_user_quota: access_denied service [%s] user "
2613	"[%s]\n", lp_servicename(SNUM(conn)),
2614	conn->session_info->unix_name));
2615	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2616	return;
2617	}
2618
2619	/*
2620	* Ensure minimum number of parameters sent.
2621	*/
2622
2623	if (parameter_count < 4) {
2624	DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2625	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2626	return;
2627	}
2628
2629	/* maybe we can check the quota_fnum */
2630	fsp = file_fsp(req, SVAL(params,0));
2631	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2632	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2633	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2634	return;
2635	}
2636
2637	/* the NULL pointer checking for fsp->fake_file_handle->pd
2638	* is done by CHECK_NTQUOTA_HANDLE_OK()
2639	*/
2640	qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2641
2642	level = SVAL(params,2);
2643
2644	/* unknown 12 bytes leading in params */
2645
2646	switch (level) {
2647	case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2648	/* seems that we should continue with the enum here --metze */
2649
2650	if (qt_handle->quota_list!=NULL &&
2651	qt_handle->tmp_list==NULL) {
2652
2653	/* free the list */
2654	free_ntquota_list(&(qt_handle->quota_list));
2655
2656	/* Realloc the size of parameters and data we will return */
2657	param_len = 4;
2658	params = nttrans_realloc(ppparams, param_len);
2659	if(params == NULL) {
2660	reply_nterror(req, NT_STATUS_NO_MEMORY);
2661	return;
2662	}
2663
2664	data_len = 0;
2665	SIVAL(params,0,data_len);
2666
2667	break;
2668	}
2669
2670	start_enum = False;
2671
2672	case TRANSACT_GET_USER_QUOTA_LIST_START:
2673
2674	if (qt_handle->quota_list==NULL &&
2675	qt_handle->tmp_list==NULL) {
2676	start_enum = True;
2677	}
2678
2679	if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2680	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2681	return;
2682	}
2683
2684	/* Realloc the size of parameters and data we will return */
2685	param_len = 4;
2686	params = nttrans_realloc(ppparams, param_len);
2687	if(params == NULL) {
2688	reply_nterror(req, NT_STATUS_NO_MEMORY);
2689	return;
2690	}
2691
2692	/* we should not trust the value in max_data_count*/
2693	max_data_count = MIN(max_data_count,2048);
2694
2695	pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2696	if(pdata == NULL) {
2697	reply_nterror(req, NT_STATUS_NO_MEMORY);
2698	return;
2699	}
2700
2701	entry = pdata;
2702
2703	/* set params Size of returned Quota Data 4 bytes*/
2704	/* but set it later when we know it */
2705
2706	/* for each entry push the data */
2707
2708	if (start_enum) {
2709	qt_handle->tmp_list = qt_handle->quota_list;
2710	}
2711
2712	tmp_list = qt_handle->tmp_list;
2713
2714	for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2715	tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2716
2717	sid_len = ndr_size_dom_sid(
2718	&tmp_list->quotas->sid, 0);
2719	entry_len = 40 + sid_len;
2720
2721	/* nextoffset entry 4 bytes */
2722	SIVAL(entry,0,entry_len);
2723
2724	/* then the len of the SID 4 bytes */
2725	SIVAL(entry,4,sid_len);
2726
2727	/* unknown data 8 bytes uint64_t */
2728	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2729
2730	/* the used disk space 8 bytes uint64_t */
2731	SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2732
2733	/* the soft quotas 8 bytes uint64_t */
2734	SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2735
2736	/* the hard quotas 8 bytes uint64_t */
2737	SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2738
2739	/* and now the SID */
2740	sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2741	}
2742
2743	qt_handle->tmp_list = tmp_list;
2744
2745	/* overwrite the offset of the last entry */
2746	SIVAL(entry-entry_len,0,0);
2747
2748	data_len = 4+qt_len;
2749	/* overwrite the params quota_data_len */
2750	SIVAL(params,0,data_len);
2751
2752	break;
2753
2754	case TRANSACT_GET_USER_QUOTA_FOR_SID:
2755
2756	/* unknown 4 bytes IVAL(pdata,0) */
2757
2758	if (data_count < 8) {
2759	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2760	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2761	return;
2762	}
2763
2764	sid_len = IVAL(pdata,4);
2765	/* Ensure this is less than 1mb. */
2766	if (sid_len > (1024*1024)) {
2767	reply_nterror(req, NT_STATUS_NO_MEMORY);
2768	return;
2769	}
2770
2771	if (data_count < 8+sid_len) {
2772	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2773	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2774	return;
2775	}
2776
2777	data_len = 4+40+sid_len;
2778
2779	if (max_data_count < data_len) {
2780	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2781	max_data_count, data_len));
2782	param_len = 4;
2783	SIVAL(params,0,data_len);
2784	data_len = 0;
2785	nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2786	break;
2787	}
2788
2789	if (!sid_parse(pdata+8,sid_len,&sid)) {
2790	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2791	return;
2792	}
2793
2794	if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2795	ZERO_STRUCT(qt);
2796	/*
2797	* we have to return zero's in all fields
2798	* instead of returning an error here
2799	* --metze
2800	*/
2801	}
2802
2803	/* Realloc the size of parameters and data we will return */
2804	param_len = 4;
2805	params = nttrans_realloc(ppparams, param_len);
2806	if(params == NULL) {
2807	reply_nterror(req, NT_STATUS_NO_MEMORY);
2808	return;
2809	}
2810
2811	pdata = nttrans_realloc(ppdata, data_len);
2812	if(pdata == NULL) {
2813	reply_nterror(req, NT_STATUS_NO_MEMORY);
2814	return;
2815	}
2816
2817	entry = pdata;
2818
2819	/* set params Size of returned Quota Data 4 bytes*/
2820	SIVAL(params,0,data_len);
2821
2822	/* nextoffset entry 4 bytes */
2823	SIVAL(entry,0,0);
2824
2825	/* then the len of the SID 4 bytes */
2826	SIVAL(entry,4,sid_len);
2827
2828	/* unknown data 8 bytes uint64_t */
2829	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2830
2831	/* the used disk space 8 bytes uint64_t */
2832	SBIG_UINT(entry,16,qt.usedspace);
2833
2834	/* the soft quotas 8 bytes uint64_t */
2835	SBIG_UINT(entry,24,qt.softlim);
2836
2837	/* the hard quotas 8 bytes uint64_t */
2838	SBIG_UINT(entry,32,qt.hardlim);
2839
2840	/* and now the SID */
2841	sid_linearize(entry+40, sid_len, &sid);
2842
2843	break;
2844
2845	default:
2846	DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2847	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2848	return;
2849	break;
2850	}
2851
2852	send_nt_replies(conn, req, nt_status, params, param_len,
2853	pdata, data_len);
2854	}
2855
2856	/****************************************************************************
2857	Reply to set user quota
2858	****************************************************************************/
2859
2860	static void call_nt_transact_set_user_quota(connection_struct *conn,
2861	struct smb_request *req,
2862	uint16 **ppsetup,
2863	uint32 setup_count,
2864	char **ppparams,
2865	uint32 parameter_count,
2866	char **ppdata,
2867	uint32 data_count,
2868	uint32 max_data_count)
2869	{
2870	char params = ppparams;
2871	char pdata = ppdata;
2872	int data_len=0,param_len=0;
2873	SMB_NTQUOTA_STRUCT qt;
2874	size_t sid_len;
2875	struct dom_sid sid;
2876	files_struct *fsp = NULL;
2877
2878	ZERO_STRUCT(qt);
2879
2880	/* access check */
2881	if (get_current_uid(conn) != 0) {
2882	DEBUG(1,("set_user_quota: access_denied service [%s] user "
2883	"[%s]\n", lp_servicename(SNUM(conn)),
2884	conn->session_info->unix_name));
2885	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2886	return;
2887	}
2888
2889	/*
2890	* Ensure minimum number of parameters sent.
2891	*/
2892
2893	if (parameter_count < 2) {
2894	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2895	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2896	return;
2897	}
2898
2899	/* maybe we can check the quota_fnum */
2900	fsp = file_fsp(req, SVAL(params,0));
2901	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2902	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2903	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2904	return;
2905	}
2906
2907	if (data_count < 40) {
2908	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2909	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2910	return;
2911	}
2912
2913	/* offset to next quota record.
2914	* 4 bytes IVAL(pdata,0)
2915	* unused here...
2916	*/
2917
2918	/* sid len */
2919	sid_len = IVAL(pdata,4);
2920
2921	if (data_count < 40+sid_len \|\| (40+sid_len < sid_len)) {
2922	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2923	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2924	return;
2925	}
2926
2927	/* unknown 8 bytes in pdata
2928	* maybe its the change time in NTTIME
2929	*/
2930
2931	/* the used space 8 bytes (uint64_t)*/
2932	qt.usedspace = BVAL(pdata,16);
2933
2934	/* the soft quotas 8 bytes (uint64_t)*/
2935	qt.softlim = BVAL(pdata,24);
2936
2937	/* the hard quotas 8 bytes (uint64_t)*/
2938	qt.hardlim = BVAL(pdata,32);
2939
2940	if (!sid_parse(pdata+40,sid_len,&sid)) {
2941	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2942	return;
2943	}
2944
2945	DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2946
2947	/* 44 unknown bytes left... */
2948
2949	if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2950	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2951	return;
2952	}
2953
2954	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2955	pdata, data_len);
2956	}
2957	#endif /* HAVE_SYS_QUOTAS */
2958
2959	static void handle_nttrans(connection_struct *conn,
2960	struct trans_state *state,
2961	struct smb_request *req)
2962	{
2963	if (get_Protocol() >= PROTOCOL_NT1) {
2964	req->flags2 \|= 0x40; /* IS_LONG_NAME */
2965	SSVAL(req->inbuf,smb_flg2,req->flags2);
2966	}
2967
2968
2969	SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2970
2971	/* Now we must call the relevant NT_TRANS function */
2972	switch(state->call) {
2973	case NT_TRANSACT_CREATE:
2974	{
2975	START_PROFILE(NT_transact_create);
2976	call_nt_transact_create(
2977	conn, req,
2978	&state->setup, state->setup_count,
2979	&state->param, state->total_param,
2980	&state->data, state->total_data,
2981	state->max_data_return);
2982	END_PROFILE(NT_transact_create);
2983	break;
2984	}
2985
2986	case NT_TRANSACT_IOCTL:
2987	{
2988	START_PROFILE(NT_transact_ioctl);
2989	call_nt_transact_ioctl(
2990	conn, req,
2991	&state->setup, state->setup_count,
2992	&state->param, state->total_param,
2993	&state->data, state->total_data,
2994	state->max_data_return);
2995	END_PROFILE(NT_transact_ioctl);
2996	break;
2997	}
2998
2999	case NT_TRANSACT_SET_SECURITY_DESC:
3000	{
3001	START_PROFILE(NT_transact_set_security_desc);
3002	call_nt_transact_set_security_desc(
3003	conn, req,
3004	&state->setup, state->setup_count,
3005	&state->param, state->total_param,
3006	&state->data, state->total_data,
3007	state->max_data_return);
3008	END_PROFILE(NT_transact_set_security_desc);
3009	break;
3010	}
3011
3012	case NT_TRANSACT_NOTIFY_CHANGE:
3013	{
3014	START_PROFILE(NT_transact_notify_change);
3015	call_nt_transact_notify_change(
3016	conn, req,
3017	&state->setup, state->setup_count,
3018	&state->param, state->total_param,
3019	&state->data, state->total_data,
3020	state->max_data_return,
3021	state->max_param_return);
3022	END_PROFILE(NT_transact_notify_change);
3023	break;
3024	}
3025
3026	case NT_TRANSACT_RENAME:
3027	{
3028	START_PROFILE(NT_transact_rename);
3029	call_nt_transact_rename(
3030	conn, req,
3031	&state->setup, state->setup_count,
3032	&state->param, state->total_param,
3033	&state->data, state->total_data,
3034	state->max_data_return);
3035	END_PROFILE(NT_transact_rename);
3036	break;
3037	}
3038
3039	case NT_TRANSACT_QUERY_SECURITY_DESC:
3040	{
3041	START_PROFILE(NT_transact_query_security_desc);
3042	call_nt_transact_query_security_desc(
3043	conn, req,
3044	&state->setup, state->setup_count,
3045	&state->param, state->total_param,
3046	&state->data, state->total_data,
3047	state->max_data_return);
3048	END_PROFILE(NT_transact_query_security_desc);
3049	break;
3050	}
3051
3052	#ifdef HAVE_SYS_QUOTAS
3053	case NT_TRANSACT_GET_USER_QUOTA:
3054	{
3055	START_PROFILE(NT_transact_get_user_quota);
3056	call_nt_transact_get_user_quota(
3057	conn, req,
3058	&state->setup, state->setup_count,
3059	&state->param, state->total_param,
3060	&state->data, state->total_data,
3061	state->max_data_return);
3062	END_PROFILE(NT_transact_get_user_quota);
3063	break;
3064	}
3065
3066	case NT_TRANSACT_SET_USER_QUOTA:
3067	{
3068	START_PROFILE(NT_transact_set_user_quota);
3069	call_nt_transact_set_user_quota(
3070	conn, req,
3071	&state->setup, state->setup_count,
3072	&state->param, state->total_param,
3073	&state->data, state->total_data,
3074	state->max_data_return);
3075	END_PROFILE(NT_transact_set_user_quota);
3076	break;
3077	}
3078	#endif /* HAVE_SYS_QUOTAS */
3079
3080	default:
3081	/* Error in request */
3082	DEBUG(0,("handle_nttrans: Unknown request %d in "
3083	"nttrans call\n", state->call));
3084	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
3085	return;
3086	}
3087	return;
3088	}
3089
3090	/****************************************************************************
3091	Reply to a SMBNTtrans.
3092	****************************************************************************/
3093
3094	void reply_nttrans(struct smb_request *req)
3095	{
3096	connection_struct *conn = req->conn;
3097	uint32_t pscnt;
3098	uint32_t psoff;
3099	uint32_t dscnt;
3100	uint32_t dsoff;
3101	uint16 function_code;
3102	NTSTATUS result;
3103	struct trans_state *state;
3104
3105	START_PROFILE(SMBnttrans);
3106
3107	if (req->wct < 19) {
3108	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3109	END_PROFILE(SMBnttrans);
3110	return;
3111	}
3112
3113	pscnt = IVAL(req->vwv+9, 1);
3114	psoff = IVAL(req->vwv+11, 1);
3115	dscnt = IVAL(req->vwv+13, 1);
3116	dsoff = IVAL(req->vwv+15, 1);
3117	function_code = SVAL(req->vwv+18, 0);
3118
3119	if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
3120	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3121	END_PROFILE(SMBnttrans);
3122	return;
3123	}
3124
3125	result = allow_new_trans(conn->pending_trans, req->mid);
3126	if (!NT_STATUS_IS_OK(result)) {
3127	DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
3128	reply_nterror(req, result);
3129	END_PROFILE(SMBnttrans);
3130	return;
3131	}
3132
3133	if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
3134	reply_nterror(req, NT_STATUS_NO_MEMORY);
3135	END_PROFILE(SMBnttrans);
3136	return;
3137	}
3138
3139	state->cmd = SMBnttrans;
3140
3141	state->mid = req->mid;
3142	state->vuid = req->vuid;
3143	state->total_data = IVAL(req->vwv+3, 1);
3144	state->data = NULL;
3145	state->total_param = IVAL(req->vwv+1, 1);
3146	state->param = NULL;
3147	state->max_data_return = IVAL(req->vwv+7, 1);
3148	state->max_param_return = IVAL(req->vwv+5, 1);
3149
3150	/* setup count is in words */
3151	state->setup_count = 2*CVAL(req->vwv+17, 1);
3152	state->setup = NULL;
3153	state->call = function_code;
3154
3155	DEBUG(10, ("num_setup=%u, "
3156	"param_total=%u, this_param=%u, max_param=%u, "
3157	"data_total=%u, this_data=%u, max_data=%u, "
3158	"param_offset=%u, data_offset=%u\n",
3159	(unsigned)state->setup_count,
3160	(unsigned)state->total_param, (unsigned)pscnt,
3161	(unsigned)state->max_param_return,
3162	(unsigned)state->total_data, (unsigned)dscnt,
3163	(unsigned)state->max_data_return,
3164	(unsigned)psoff, (unsigned)dsoff));
3165
3166	/*
3167	* All nttrans messages we handle have smb_wct == 19 +
3168	* state->setup_count. Ensure this is so as a sanity check.
3169	*/
3170
3171	if(req->wct != 19 + (state->setup_count/2)) {
3172	DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
3173	req->wct, 19 + (state->setup_count/2)));
3174	goto bad_param;
3175	}
3176
3177	/* Don't allow more than 128mb for each value. */
3178	if ((state->total_data > (10241024128)) \|\|
3179	(state->total_param > (10241024128))) {
3180	reply_nterror(req, NT_STATUS_NO_MEMORY);
3181	END_PROFILE(SMBnttrans);
3182	return;
3183	}
3184
3185	if ((dscnt > state->total_data) \|\| (pscnt > state->total_param))
3186	goto bad_param;
3187
3188	if (state->total_data) {
3189
3190	if (trans_oob(state->total_data, 0, dscnt)
3191	\|\| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
3192	goto bad_param;
3193	}
3194
3195	/* Can't use talloc here, the core routines do realloc on the
3196	* params and data. */
3197	if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
3198	DEBUG(0,("reply_nttrans: data malloc fail for %u "
3199	"bytes !\n", (unsigned int)state->total_data));
3200	TALLOC_FREE(state);
3201	reply_nterror(req, NT_STATUS_NO_MEMORY);
3202	END_PROFILE(SMBnttrans);
3203	return;
3204	}
3205
3206	memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
3207	}
3208
3209	if (state->total_param) {
3210
3211	if (trans_oob(state->total_param, 0, pscnt)
3212	\|\| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3213	goto bad_param;
3214	}
3215
3216	/* Can't use talloc here, the core routines do realloc on the
3217	* params and data. */
3218	if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3219	DEBUG(0,("reply_nttrans: param malloc fail for %u "
3220	"bytes !\n", (unsigned int)state->total_param));
3221	SAFE_FREE(state->data);
3222	TALLOC_FREE(state);
3223	reply_nterror(req, NT_STATUS_NO_MEMORY);
3224	END_PROFILE(SMBnttrans);
3225	return;
3226	}
3227
3228	memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3229	}
3230
3231	state->received_data = dscnt;
3232	state->received_param = pscnt;
3233
3234	if(state->setup_count > 0) {
3235	DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3236	state->setup_count));
3237
3238	/*
3239	* No overflow possible here, state->setup_count is an
3240	* unsigned int, being filled by a single byte from
3241	* CVAL(req->vwv+13, 0) above. The cast in the comparison
3242	* below is not necessary, it's here to clarify things. The
3243	* validity of req->vwv and req->wct has been checked in
3244	* init_smb_request already.
3245	*/
3246	if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3247	goto bad_param;
3248	}
3249
3250	state->setup = (uint16 *)TALLOC(state, state->setup_count);
3251	if (state->setup == NULL) {
3252	DEBUG(0,("reply_nttrans : Out of memory\n"));
3253	SAFE_FREE(state->data);
3254	SAFE_FREE(state->param);
3255	TALLOC_FREE(state);
3256	reply_nterror(req, NT_STATUS_NO_MEMORY);
3257	END_PROFILE(SMBnttrans);
3258	return;
3259	}
3260
3261	memcpy(state->setup, req->vwv+19, state->setup_count);
3262	dump_data(10, (uint8 *)state->setup, state->setup_count);
3263	}
3264
3265	if ((state->received_data == state->total_data) &&
3266	(state->received_param == state->total_param)) {
3267	handle_nttrans(conn, state, req);
3268	SAFE_FREE(state->param);
3269	SAFE_FREE(state->data);
3270	TALLOC_FREE(state);
3271	END_PROFILE(SMBnttrans);
3272	return;
3273	}
3274
3275	DLIST_ADD(conn->pending_trans, state);
3276
3277	/* We need to send an interim response then receive the rest
3278	of the parameter/data bytes */
3279	reply_outbuf(req, 0, 0);
3280	show_msg((char *)req->outbuf);
3281	END_PROFILE(SMBnttrans);
3282	return;
3283
3284	bad_param:
3285
3286	DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3287	SAFE_FREE(state->data);
3288	SAFE_FREE(state->param);
3289	TALLOC_FREE(state);
3290	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3291	END_PROFILE(SMBnttrans);
3292	return;
3293	}
3294
3295	/****************************************************************************
3296	Reply to a SMBnttranss
3297	****************************************************************************/
3298
3299	void reply_nttranss(struct smb_request *req)
3300	{
3301	connection_struct *conn = req->conn;
3302	uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3303	struct trans_state *state;
3304
3305	START_PROFILE(SMBnttranss);
3306
3307	show_msg((char *)req->inbuf);
3308
3309	/* Windows clients expect all replies to
3310	an NT transact secondary (SMBnttranss 0xA1)
3311	to have a command code of NT transact
3312	(SMBnttrans 0xA0). See bug #8989 for details. */
3313	req->cmd = SMBnttrans;
3314
3315	if (req->wct < 18) {
3316	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3317	END_PROFILE(SMBnttranss);
3318	return;
3319	}
3320
3321	for (state = conn->pending_trans; state != NULL;
3322	state = state->next) {
3323	if (state->mid == req->mid) {
3324	break;
3325	}
3326	}
3327
3328	if ((state == NULL) \|\| (state->cmd != SMBnttrans)) {
3329	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3330	END_PROFILE(SMBnttranss);
3331	return;
3332	}
3333
3334	/* Revise state->total_param and state->total_data in case they have
3335	changed downwards */
3336	if (IVAL(req->vwv+1, 1) < state->total_param) {
3337	state->total_param = IVAL(req->vwv+1, 1);
3338	}
3339	if (IVAL(req->vwv+3, 1) < state->total_data) {
3340	state->total_data = IVAL(req->vwv+3, 1);
3341	}
3342
3343	pcnt = IVAL(req->vwv+5, 1);
3344	poff = IVAL(req->vwv+7, 1);
3345	pdisp = IVAL(req->vwv+9, 1);
3346
3347	dcnt = IVAL(req->vwv+11, 1);
3348	doff = IVAL(req->vwv+13, 1);
3349	ddisp = IVAL(req->vwv+15, 1);
3350
3351	state->received_param += pcnt;
3352	state->received_data += dcnt;
3353
3354	if ((state->received_data > state->total_data) \|\|
3355	(state->received_param > state->total_param))
3356	goto bad_param;
3357
3358	if (pcnt) {
3359	if (trans_oob(state->total_param, pdisp, pcnt)
3360	\|\| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3361	goto bad_param;
3362	}
3363	memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3364	}
3365
3366	if (dcnt) {
3367	if (trans_oob(state->total_data, ddisp, dcnt)
3368	\|\| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3369	goto bad_param;
3370	}
3371	memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3372	}
3373
3374	if ((state->received_param < state->total_param) \|\|
3375	(state->received_data < state->total_data)) {
3376	END_PROFILE(SMBnttranss);
3377	return;
3378	}
3379
3380	handle_nttrans(conn, state, req);
3381
3382	DLIST_REMOVE(conn->pending_trans, state);
3383	SAFE_FREE(state->data);
3384	SAFE_FREE(state->param);
3385	TALLOC_FREE(state);
3386	END_PROFILE(SMBnttranss);
3387	return;
3388
3389	bad_param:
3390
3391	DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3392	DLIST_REMOVE(conn->pending_trans, state);
3393	SAFE_FREE(state->data);
3394	SAFE_FREE(state->param);
3395	TALLOC_FREE(state);
3396	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3397	END_PROFILE(SMBnttranss);
3398	return;
3399	}

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source: trunk/server/source3/smbd/nttrans.c@ 916

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