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nttrans.c@ 999

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Last change on this file since 999 was 832, checked in by Herwig Bauernfeind, 12 years ago
Samba 3.5: Update Samba core to 3.5.22
File size: 84.3 KB

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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 "smbd/globals.h"
23
24	extern const struct generic_mapping file_generic_mapping;
25
26	static char nttrans_realloc(char *ptr, size_t size)
27	{
28	if (ptr==NULL) {
29	smb_panic("nttrans_realloc() called with NULL ptr");
30	}
31
32	ptr = (char )SMB_REALLOC(*ptr, size);
33	if(*ptr == NULL) {
34	return NULL;
35	}
36	memset(*ptr,'\0',size);
37	return *ptr;
38	}
39
40	/****************************************************************************
41	Send the required number of replies back.
42	We assume all fields other than the data fields are
43	set correctly for the type of call.
44	HACK ! Always assumes smb_setup field is zero.
45	****************************************************************************/
46
47	void send_nt_replies(connection_struct *conn,
48	struct smb_request *req, NTSTATUS nt_error,
49	char *params, int paramsize,
50	char *pdata, int datasize)
51	{
52	int data_to_send = datasize;
53	int params_to_send = paramsize;
54	int useable_space;
55	char *pp = params;
56	char *pd = pdata;
57	int params_sent_thistime, data_sent_thistime, total_sent_thistime;
58	int alignment_offset = 3;
59	int data_alignment_offset = 0;
60	struct smbd_server_connection *sconn = smbd_server_conn;
61	int max_send = sconn->smb1.sessions.max_send;
62
63	/*
64	* If there genuinely are no parameters or data to send just send
65	* the empty packet.
66	*/
67
68	if(params_to_send == 0 && data_to_send == 0) {
69	reply_outbuf(req, 18, 0);
70	if (NT_STATUS_V(nt_error)) {
71	error_packet_set((char *)req->outbuf,
72	0, 0, nt_error,
73	__LINE__,__FILE__);
74	}
75	show_msg((char *)req->outbuf);
76	if (!srv_send_smb(smbd_server_fd(),
77	(char *)req->outbuf,
78	true, req->seqnum+1,
79	IS_CONN_ENCRYPTED(conn),
80	&req->pcd)) {
81	exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
82	}
83	TALLOC_FREE(req->outbuf);
84	return;
85	}
86
87	/*
88	* When sending params and data ensure that both are nicely aligned.
89	* Only do this alignment when there is also data to send - else
90	* can cause NT redirector problems.
91	*/
92
93	if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
94	data_alignment_offset = 4 - (params_to_send % 4);
95	}
96
97	/*
98	* Space is bufsize minus Netbios over TCP header minus SMB header.
99	* The alignment_offset is to align the param bytes on a four byte
100	* boundary (2 bytes for data len, one byte pad).
101	* NT needs this to work correctly.
102	*/
103
104	useable_space = max_send - (smb_size
105	+ 2 * 18 /* wct */
106	+ alignment_offset
107	+ data_alignment_offset);
108
109	if (useable_space < 0) {
110	char *msg = talloc_asprintf(
111	talloc_tos(),
112	"send_nt_replies failed sanity useable_space = %d!!!",
113	useable_space);
114	DEBUG(0, ("%s\n", msg));
115	exit_server_cleanly(msg);
116	}
117
118	while (params_to_send \|\| data_to_send) {
119
120	/*
121	* Calculate whether we will totally or partially fill this packet.
122	*/
123
124	total_sent_thistime = params_to_send + data_to_send;
125
126	/*
127	* We can never send more than useable_space.
128	*/
129
130	total_sent_thistime = MIN(total_sent_thistime, useable_space);
131
132	reply_outbuf(req, 18,
133	total_sent_thistime + alignment_offset
134	+ data_alignment_offset);
135
136	/*
137	* Set total params and data to be sent.
138	*/
139
140	SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
141	SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
142
143	/*
144	* Calculate how many parameters and data we can fit into
145	* this packet. Parameters get precedence.
146	*/
147
148	params_sent_thistime = MIN(params_to_send,useable_space);
149	data_sent_thistime = useable_space - params_sent_thistime;
150	data_sent_thistime = MIN(data_sent_thistime,data_to_send);
151
152	SIVAL(req->outbuf, smb_ntr_ParameterCount,
153	params_sent_thistime);
154
155	if(params_sent_thistime == 0) {
156	SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
157	SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
158	} else {
159	/*
160	* smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
161	* parameter bytes, however the first 4 bytes of outbuf are
162	* the Netbios over TCP header. Thus use smb_base() to subtract
163	* them from the calculation.
164	*/
165
166	SIVAL(req->outbuf,smb_ntr_ParameterOffset,
167	((smb_buf(req->outbuf)+alignment_offset)
168	- smb_base(req->outbuf)));
169	/*
170	* Absolute displacement of param bytes sent in this packet.
171	*/
172
173	SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
174	pp - params);
175	}
176
177	/*
178	* Deal with the data portion.
179	*/
180
181	SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
182
183	if(data_sent_thistime == 0) {
184	SIVAL(req->outbuf,smb_ntr_DataOffset,0);
185	SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
186	} else {
187	/*
188	* The offset of the data bytes is the offset of the
189	* parameter bytes plus the number of parameters being sent this time.
190	*/
191
192	SIVAL(req->outbuf, smb_ntr_DataOffset,
193	((smb_buf(req->outbuf)+alignment_offset) -
194	smb_base(req->outbuf))
195	+ params_sent_thistime + data_alignment_offset);
196	SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
197	}
198
199	/*
200	* Copy the param bytes into the packet.
201	*/
202
203	if(params_sent_thistime) {
204	if (alignment_offset != 0) {
205	memset(smb_buf(req->outbuf), 0,
206	alignment_offset);
207	}
208	memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
209	params_sent_thistime);
210	}
211
212	/*
213	* Copy in the data bytes
214	*/
215
216	if(data_sent_thistime) {
217	if (data_alignment_offset != 0) {
218	memset((smb_buf(req->outbuf)+alignment_offset+
219	params_sent_thistime), 0,
220	data_alignment_offset);
221	}
222	memcpy(smb_buf(req->outbuf)+alignment_offset
223	+params_sent_thistime+data_alignment_offset,
224	pd,data_sent_thistime);
225	}
226
227	DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
228	params_sent_thistime, data_sent_thistime, useable_space));
229	DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
230	params_to_send, data_to_send, paramsize, datasize));
231
232	if (NT_STATUS_V(nt_error)) {
233	error_packet_set((char *)req->outbuf,
234	0, 0, nt_error,
235	__LINE__,__FILE__);
236	}
237
238	/* Send the packet */
239	show_msg((char *)req->outbuf);
240	if (!srv_send_smb(smbd_server_fd(),
241	(char *)req->outbuf,
242	true, req->seqnum+1,
243	IS_CONN_ENCRYPTED(conn),
244	&req->pcd)) {
245	exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
246	}
247
248	TALLOC_FREE(req->outbuf);
249
250	pp += params_sent_thistime;
251	pd += data_sent_thistime;
252
253	params_to_send -= params_sent_thistime;
254	data_to_send -= data_sent_thistime;
255
256	/*
257	* Sanity check
258	*/
259
260	if(params_to_send < 0 \|\| data_to_send < 0) {
261	DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
262	params_to_send, data_to_send));
263	exit_server_cleanly("send_nt_replies: internal error");
264	}
265	}
266	}
267
268	/****************************************************************************
269	Reply to an NT create and X call on a pipe
270	****************************************************************************/
271
272	static void nt_open_pipe(char fname, connection_struct conn,
273	struct smb_request req, int ppnum)
274	{
275	files_struct *fsp;
276	NTSTATUS status;
277
278	DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
279
280	/* Strip \\ off the name. */
281	fname++;
282
283	status = open_np_file(req, fname, &fsp);
284	if (!NT_STATUS_IS_OK(status)) {
285	if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
286	reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
287	ERRDOS, ERRbadpipe);
288	return;
289	}
290	reply_nterror(req, status);
291	return;
292	}
293
294	*ppnum = fsp->fnum;
295	return;
296	}
297
298	/****************************************************************************
299	Reply to an NT create and X call for pipes.
300	****************************************************************************/
301
302	static void do_ntcreate_pipe_open(connection_struct *conn,
303	struct smb_request *req)
304	{
305	char *fname = NULL;
306	int pnum = -1;
307	char *p = NULL;
308	uint32 flags = IVAL(req->vwv+3, 1);
309	TALLOC_CTX *ctx = talloc_tos();
310
311	srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
312
313	if (!fname) {
314	reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
315	ERRDOS, ERRbadpipe);
316	return;
317	}
318	nt_open_pipe(fname, conn, req, &pnum);
319
320	if (req->outbuf) {
321	/* error reply */
322	return;
323	}
324
325	/*
326	* Deal with pipe return.
327	*/
328
329	if (flags & EXTENDED_RESPONSE_REQUIRED) {
330	/* This is very strange. We
331	* return 50 words, but only set
332	* the wcnt to 42 ? It's definately
333	* what happens on the wire....
334	*/
335	reply_outbuf(req, 50, 0);
336	SCVAL(req->outbuf,smb_wct,42);
337	} else {
338	reply_outbuf(req, 34, 0);
339	}
340
341	p = (char *)req->outbuf + smb_vwv2;
342	p++;
343	SSVAL(p,0,pnum);
344	p += 2;
345	SIVAL(p,0,FILE_WAS_OPENED);
346	p += 4;
347	p += 32;
348	SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
349	p += 20;
350	/* File type. */
351	SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
352	/* Device state. */
353	SSVAL(p,2, 0x5FF); /* ? */
354	p += 4;
355
356	if (flags & EXTENDED_RESPONSE_REQUIRED) {
357	p += 25;
358	SIVAL(p,0,FILE_GENERIC_ALL);
359	/*
360	* For pipes W2K3 seems to return
361	* 0x12019B next.
362	* This is ((FILE_GENERIC_READ\|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
363	*/
364	SIVAL(p,4,(FILE_GENERIC_READ\|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
365	}
366
367	DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
368
369	chain_reply(req);
370	}
371
372	struct case_semantics_state {
373	connection_struct *conn;
374	bool case_sensitive;
375	bool case_preserve;
376	bool short_case_preserve;
377	};
378
379	/****************************************************************************
380	Restore case semantics.
381	****************************************************************************/
382
383	static int restore_case_semantics(struct case_semantics_state *state)
384	{
385	state->conn->case_sensitive = state->case_sensitive;
386	state->conn->case_preserve = state->case_preserve;
387	state->conn->short_case_preserve = state->short_case_preserve;
388	return 0;
389	}
390
391	/****************************************************************************
392	Save case semantics.
393	****************************************************************************/
394
395	static struct case_semantics_state set_posix_case_semantics(TALLOC_CTX mem_ctx,
396	connection_struct *conn)
397	{
398	struct case_semantics_state *result;
399
400	if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
401	return NULL;
402	}
403
404	result->conn = conn;
405	result->case_sensitive = conn->case_sensitive;
406	result->case_preserve = conn->case_preserve;
407	result->short_case_preserve = conn->short_case_preserve;
408
409	/* Set to POSIX. */
410	conn->case_sensitive = True;
411	conn->case_preserve = True;
412	conn->short_case_preserve = True;
413
414	talloc_set_destructor(result, restore_case_semantics);
415
416	return result;
417	}
418
419	/****************************************************************************
420	Reply to an NT create and X call.
421	****************************************************************************/
422
423	void reply_ntcreate_and_X(struct smb_request *req)
424	{
425	connection_struct *conn = req->conn;
426	struct smb_filename *smb_fname = NULL;
427	char *fname = NULL;
428	uint32 flags;
429	uint32 access_mask;
430	uint32 file_attributes;
431	uint32 share_access;
432	uint32 create_disposition;
433	uint32 create_options;
434	uint16 root_dir_fid;
435	uint64_t allocation_size;
436	/* Breakout the oplock request bits so we can set the
437	reply bits separately. */
438	uint32 fattr=0;
439	SMB_OFF_T file_len = 0;
440	int info = 0;
441	files_struct *fsp = NULL;
442	char *p = NULL;
443	struct timespec create_timespec;
444	struct timespec c_timespec;
445	struct timespec a_timespec;
446	struct timespec m_timespec;
447	struct timespec write_time_ts;
448	NTSTATUS status;
449	int oplock_request;
450	uint8_t oplock_granted = NO_OPLOCK_RETURN;
451	struct case_semantics_state *case_state = NULL;
452	TALLOC_CTX *ctx = talloc_tos();
453
454	START_PROFILE(SMBntcreateX);
455
456	if (req->wct < 24) {
457	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
458	goto out;
459	}
460
461	flags = IVAL(req->vwv+3, 1);
462	access_mask = IVAL(req->vwv+7, 1);
463	file_attributes = IVAL(req->vwv+13, 1);
464	share_access = IVAL(req->vwv+15, 1);
465	create_disposition = IVAL(req->vwv+17, 1);
466	create_options = IVAL(req->vwv+19, 1);
467	root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
468
469	allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
470	#ifdef LARGE_SMB_OFF_T
471	allocation_size \|= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
472	#endif
473
474	srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
475	STR_TERMINATE, &status);
476
477	if (!NT_STATUS_IS_OK(status)) {
478	reply_nterror(req, status);
479	goto out;
480	}
481
482	DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
483	"file_attributes = 0x%x, share_access = 0x%x, "
484	"create_disposition = 0x%x create_options = 0x%x "
485	"root_dir_fid = 0x%x, fname = %s\n",
486	(unsigned int)flags,
487	(unsigned int)access_mask,
488	(unsigned int)file_attributes,
489	(unsigned int)share_access,
490	(unsigned int)create_disposition,
491	(unsigned int)create_options,
492	(unsigned int)root_dir_fid,
493	fname));
494
495	/*
496	* we need to remove ignored bits when they come directly from the client
497	* because we reuse some of them for internal stuff
498	*/
499	create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
500
501	/*
502	* If it's an IPC, use the pipe handler.
503	*/
504
505	if (IS_IPC(conn)) {
506	if (lp_nt_pipe_support()) {
507	do_ntcreate_pipe_open(conn, req);
508	goto out;
509	}
510	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
511	goto out;
512	}
513
514	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
515	if (oplock_request) {
516	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK)
517	? BATCH_OPLOCK : 0;
518	}
519
520	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
521	case_state = set_posix_case_semantics(ctx, conn);
522	if (!case_state) {
523	reply_nterror(req, NT_STATUS_NO_MEMORY);
524	goto out;
525	}
526	}
527
528	status = filename_convert(ctx,
529	conn,
530	req->flags2 & FLAGS2_DFS_PATHNAMES,
531	fname,
532	0,
533	NULL,
534	&smb_fname);
535
536	TALLOC_FREE(case_state);
537
538	if (!NT_STATUS_IS_OK(status)) {
539	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
540	reply_botherror(req,
541	NT_STATUS_PATH_NOT_COVERED,
542	ERRSRV, ERRbadpath);
543	goto out;
544	}
545	reply_nterror(req, status);
546	goto out;
547	}
548
549	/*
550	* Bug #6898 - clients using Windows opens should
551	* never be able to set this attribute into the
552	* VFS.
553	*/
554	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
555
556	status = SMB_VFS_CREATE_FILE(
557	conn, /* conn */
558	req, /* req */
559	root_dir_fid, /* root_dir_fid */
560	smb_fname, /* fname */
561	access_mask, /* access_mask */
562	share_access, /* share_access */
563	create_disposition, /* create_disposition*/
564	create_options, /* create_options */
565	file_attributes, /* file_attributes */
566	oplock_request, /* oplock_request */
567	allocation_size, /* allocation_size */
568	NULL, /* sd */
569	NULL, /* ea_list */
570	&fsp, /* result */
571	&info); /* pinfo */
572
573	if (!NT_STATUS_IS_OK(status)) {
574	if (open_was_deferred(req->mid)) {
575	/* We have re-scheduled this call, no error. */
576	goto out;
577	}
578	reply_openerror(req, status);
579	goto out;
580	}
581
582	/* Ensure we're pointing at the correct stat struct. */
583	TALLOC_FREE(smb_fname);
584	smb_fname = fsp->fsp_name;
585
586	/*
587	* If the caller set the extended oplock request bit
588	* and we granted one (by whatever means) - set the
589	* correct bit for extended oplock reply.
590	*/
591
592	if (oplock_request &&
593	(lp_fake_oplocks(SNUM(conn))
594	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
595
596	/*
597	* Exclusive oplock granted
598	*/
599
600	if (flags & REQUEST_BATCH_OPLOCK) {
601	oplock_granted = BATCH_OPLOCK_RETURN;
602	} else {
603	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
604	}
605	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
606	oplock_granted = LEVEL_II_OPLOCK_RETURN;
607	} else {
608	oplock_granted = NO_OPLOCK_RETURN;
609	}
610
611	file_len = smb_fname->st.st_ex_size;
612
613	if (flags & EXTENDED_RESPONSE_REQUIRED) {
614	/* This is very strange. We
615	* return 50 words, but only set
616	* the wcnt to 42 ? It's definately
617	* what happens on the wire....
618	*/
619	reply_outbuf(req, 50, 0);
620	SCVAL(req->outbuf,smb_wct,42);
621	} else {
622	reply_outbuf(req, 34, 0);
623	}
624
625	p = (char *)req->outbuf + smb_vwv2;
626
627	SCVAL(p, 0, oplock_granted);
628
629	p++;
630	SSVAL(p,0,fsp->fnum);
631	p += 2;
632	if ((create_disposition == FILE_SUPERSEDE)
633	&& (info == FILE_WAS_OVERWRITTEN)) {
634	SIVAL(p,0,FILE_WAS_SUPERSEDED);
635	} else {
636	SIVAL(p,0,info);
637	}
638	p += 4;
639
640	fattr = dos_mode(conn, smb_fname);
641	if (fattr == 0) {
642	fattr = FILE_ATTRIBUTE_NORMAL;
643	}
644
645	/* Deal with other possible opens having a modified
646	write time. JRA. */
647	ZERO_STRUCT(write_time_ts);
648	get_file_infos(fsp->file_id, NULL, &write_time_ts);
649	if (!null_timespec(write_time_ts)) {
650	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
651	}
652
653	/* Create time. */
654	create_timespec = get_create_timespec(conn, fsp, smb_fname);
655	a_timespec = smb_fname->st.st_ex_atime;
656	m_timespec = smb_fname->st.st_ex_mtime;
657	c_timespec = get_change_timespec(conn, fsp, smb_fname);
658
659	if (lp_dos_filetime_resolution(SNUM(conn))) {
660	dos_filetime_timespec(&create_timespec);
661	dos_filetime_timespec(&a_timespec);
662	dos_filetime_timespec(&m_timespec);
663	dos_filetime_timespec(&c_timespec);
664	}
665
666	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
667	p += 8;
668	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
669	p += 8;
670	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
671	p += 8;
672	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
673	p += 8;
674	SIVAL(p,0,fattr); /* File Attributes. */
675	p += 4;
676	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
677	p += 8;
678	SOFF_T(p,0,file_len);
679	p += 8;
680	if (flags & EXTENDED_RESPONSE_REQUIRED) {
681	uint16_t file_status = (NO_EAS\|NO_SUBSTREAMS\|NO_REPARSETAG);
682	size_t num_names = 0;
683	unsigned int num_streams;
684	struct stream_struct *streams = NULL;
685
686	/* Do we have any EA's ? */
687	status = get_ea_names_from_file(ctx, conn, fsp,
688	smb_fname->base_name, NULL, &num_names);
689	if (NT_STATUS_IS_OK(status) && num_names) {
690	file_status &= ~NO_EAS;
691	}
692	status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
693	&num_streams, &streams);
694	/* There is always one stream, ::$DATA. */
695	if (NT_STATUS_IS_OK(status) && num_streams > 1) {
696	file_status &= ~NO_SUBSTREAMS;
697	}
698	TALLOC_FREE(streams);
699	SSVAL(p,2,file_status);
700	}
701	p += 4;
702	SCVAL(p,0,fsp->is_directory ? 1 : 0);
703
704	if (flags & EXTENDED_RESPONSE_REQUIRED) {
705	uint32 perms = 0;
706	p += 25;
707	if (fsp->is_directory \|\|
708	can_write_to_file(conn, smb_fname)) {
709	perms = FILE_GENERIC_ALL;
710	} else {
711	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
712	}
713	SIVAL(p,0,perms);
714	}
715
716	DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
717	fsp->fnum, smb_fname_str_dbg(smb_fname)));
718
719	chain_reply(req);
720	out:
721	END_PROFILE(SMBntcreateX);
722	return;
723	}
724
725	/****************************************************************************
726	Reply to a NT_TRANSACT_CREATE call to open a pipe.
727	****************************************************************************/
728
729	static void do_nt_transact_create_pipe(connection_struct *conn,
730	struct smb_request *req,
731	uint16 **ppsetup, uint32 setup_count,
732	char **ppparams, uint32 parameter_count,
733	char **ppdata, uint32 data_count)
734	{
735	char *fname = NULL;
736	char params = ppparams;
737	int pnum = -1;
738	char *p = NULL;
739	NTSTATUS status;
740	size_t param_len;
741	uint32 flags;
742	TALLOC_CTX *ctx = talloc_tos();
743
744	/*
745	* Ensure minimum number of parameters sent.
746	*/
747
748	if(parameter_count < 54) {
749	DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
750	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
751	return;
752	}
753
754	flags = IVAL(params,0);
755
756	srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
757	parameter_count-53, STR_TERMINATE,
758	&status);
759	if (!NT_STATUS_IS_OK(status)) {
760	reply_nterror(req, status);
761	return;
762	}
763
764	nt_open_pipe(fname, conn, req, &pnum);
765
766	if (req->outbuf) {
767	/* Error return */
768	return;
769	}
770
771	/* Realloc the size of parameters and data we will return */
772	if (flags & EXTENDED_RESPONSE_REQUIRED) {
773	/* Extended response is 32 more byyes. */
774	param_len = 101;
775	} else {
776	param_len = 69;
777	}
778	params = nttrans_realloc(ppparams, param_len);
779	if(params == NULL) {
780	reply_nterror(req, NT_STATUS_NO_MEMORY);
781	return;
782	}
783
784	p = params;
785	SCVAL(p,0,NO_OPLOCK_RETURN);
786
787	p += 2;
788	SSVAL(p,0,pnum);
789	p += 2;
790	SIVAL(p,0,FILE_WAS_OPENED);
791	p += 8;
792
793	p += 32;
794	SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
795	p += 20;
796	/* File type. */
797	SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
798	/* Device state. */
799	SSVAL(p,2, 0x5FF); /* ? */
800	p += 4;
801
802	if (flags & EXTENDED_RESPONSE_REQUIRED) {
803	p += 25;
804	SIVAL(p,0,FILE_GENERIC_ALL);
805	/*
806	* For pipes W2K3 seems to return
807	* 0x12019B next.
808	* This is ((FILE_GENERIC_READ\|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
809	*/
810	SIVAL(p,4,(FILE_GENERIC_READ\|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
811	}
812
813	DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
814
815	/* Send the required number of replies */
816	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
817
818	return;
819	}
820
821	/****************************************************************************
822	Internal fn to set security descriptors.
823	****************************************************************************/
824
825	static NTSTATUS set_sd(files_struct fsp, uint8 data, uint32 sd_len,
826	uint32 security_info_sent)
827	{
828	SEC_DESC *psd = NULL;
829	NTSTATUS status;
830
831	if (sd_len == 0) {
832	return NT_STATUS_INVALID_PARAMETER;
833	}
834
835	if (!CAN_WRITE(fsp->conn)) {
836	return NT_STATUS_ACCESS_DENIED;
837	}
838
839	if (!lp_nt_acl_support(SNUM(fsp->conn))) {
840	return NT_STATUS_OK;
841	}
842
843	status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
844
845	if (!NT_STATUS_IS_OK(status)) {
846	return status;
847	}
848
849	if (psd->owner_sid == NULL) {
850	security_info_sent &= ~OWNER_SECURITY_INFORMATION;
851	}
852	if (psd->group_sid == NULL) {
853	security_info_sent &= ~GROUP_SECURITY_INFORMATION;
854	}
855
856	/* Ensure we have at least one thing set. */
857	if ((security_info_sent & (SECINFO_OWNER\|SECINFO_GROUP\|SECINFO_DACL\|SECINFO_SACL)) == 0) {
858	if (security_info_sent & SECINFO_LABEL) {
859	/* Only consider SECINFO_LABEL if no other
860	bits are set. Just like W2K3 we don't
861	store this. */
862	return NT_STATUS_OK;
863	}
864	return NT_STATUS_INVALID_PARAMETER;
865	}
866
867	/* Ensure we have the rights to do this. */
868	if (security_info_sent & SECINFO_OWNER) {
869	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
870	return NT_STATUS_ACCESS_DENIED;
871	}
872	}
873
874	if (security_info_sent & SECINFO_GROUP) {
875	if (!(fsp->access_mask & SEC_STD_WRITE_OWNER)) {
876	return NT_STATUS_ACCESS_DENIED;
877	}
878	}
879
880	if (security_info_sent & SECINFO_DACL) {
881	if (!(fsp->access_mask & SEC_STD_WRITE_DAC)) {
882	return NT_STATUS_ACCESS_DENIED;
883	}
884	/* Convert all the generic bits. */
885	if (psd->dacl) {
886	security_acl_map_generic(psd->dacl, &file_generic_mapping);
887	}
888	}
889
890	if (security_info_sent & SECINFO_SACL) {
891	if (!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
892	return NT_STATUS_ACCESS_DENIED;
893	}
894	/* Convert all the generic bits. */
895	if (psd->sacl) {
896	security_acl_map_generic(psd->sacl, &file_generic_mapping);
897	}
898	}
899
900	if (DEBUGLEVEL >= 10) {
901	DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
902	NDR_PRINT_DEBUG(security_descriptor, psd);
903	}
904
905	status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
906
907	TALLOC_FREE(psd);
908
909	return status;
910	}
911
912	/****************************************************************************
913	Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
914	****************************************************************************/
915
916	struct ea_list read_nttrans_ea_list(TALLOC_CTX ctx, const char *pdata, size_t data_size)
917	{
918	struct ea_list *ea_list_head = NULL;
919	size_t offset = 0;
920
921	if (data_size < 4) {
922	return NULL;
923	}
924
925	while (offset + 4 <= data_size) {
926	size_t next_offset = IVAL(pdata,offset);
927	struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
928
929	if (!eal) {
930	return NULL;
931	}
932
933	DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
934	if (next_offset == 0) {
935	break;
936	}
937
938	/* Integer wrap protection for the increment. */
939	if (offset + next_offset < offset) {
940	break;
941	}
942
943	offset += next_offset;
944
945	/* Integer wrap protection for while loop. */
946	if (offset + 4 < offset) {
947	break;
948	}
949
950	}
951
952	return ea_list_head;
953	}
954
955	/****************************************************************************
956	Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
957	****************************************************************************/
958
959	static void call_nt_transact_create(connection_struct *conn,
960	struct smb_request *req,
961	uint16 **ppsetup, uint32 setup_count,
962	char **ppparams, uint32 parameter_count,
963	char **ppdata, uint32 data_count,
964	uint32 max_data_count)
965	{
966	struct smb_filename *smb_fname = NULL;
967	char *fname = NULL;
968	char params = ppparams;
969	char data = ppdata;
970	/* Breakout the oplock request bits so we can set the reply bits separately. */
971	uint32 fattr=0;
972	SMB_OFF_T file_len = 0;
973	int info = 0;
974	files_struct *fsp = NULL;
975	char *p = NULL;
976	uint32 flags;
977	uint32 access_mask;
978	uint32 file_attributes;
979	uint32 share_access;
980	uint32 create_disposition;
981	uint32 create_options;
982	uint32 sd_len;
983	struct security_descriptor *sd = NULL;
984	uint32 ea_len;
985	uint16 root_dir_fid;
986	struct timespec create_timespec;
987	struct timespec c_timespec;
988	struct timespec a_timespec;
989	struct timespec m_timespec;
990	struct timespec write_time_ts;
991	struct ea_list *ea_list = NULL;
992	NTSTATUS status;
993	size_t param_len;
994	uint64_t allocation_size;
995	int oplock_request;
996	uint8_t oplock_granted;
997	struct case_semantics_state *case_state = NULL;
998	TALLOC_CTX *ctx = talloc_tos();
999
1000	DEBUG(5,("call_nt_transact_create\n"));
1001
1002	/*
1003	* If it's an IPC, use the pipe handler.
1004	*/
1005
1006	if (IS_IPC(conn)) {
1007	if (lp_nt_pipe_support()) {
1008	do_nt_transact_create_pipe(
1009	conn, req,
1010	ppsetup, setup_count,
1011	ppparams, parameter_count,
1012	ppdata, data_count);
1013	goto out;
1014	}
1015	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1016	goto out;
1017	}
1018
1019	/*
1020	* Ensure minimum number of parameters sent.
1021	*/
1022
1023	if(parameter_count < 54) {
1024	DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
1025	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1026	goto out;
1027	}
1028
1029	flags = IVAL(params,0);
1030	access_mask = IVAL(params,8);
1031	file_attributes = IVAL(params,20);
1032	share_access = IVAL(params,24);
1033	create_disposition = IVAL(params,28);
1034	create_options = IVAL(params,32);
1035	sd_len = IVAL(params,36);
1036	ea_len = IVAL(params,40);
1037	root_dir_fid = (uint16)IVAL(params,4);
1038	allocation_size = (uint64_t)IVAL(params,12);
1039	#ifdef LARGE_SMB_OFF_T
1040	allocation_size \|= (((uint64_t)IVAL(params,16)) << 32);
1041	#endif
1042
1043	/*
1044	* we need to remove ignored bits when they come directly from the client
1045	* because we reuse some of them for internal stuff
1046	*/
1047	create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
1048
1049	/* Ensure the data_len is correct for the sd and ea values given. */
1050	if ((ea_len + sd_len > data_count)
1051	\|\| (ea_len > data_count) \|\| (sd_len > data_count)
1052	\|\| (ea_len + sd_len < ea_len) \|\| (ea_len + sd_len < sd_len)) {
1053	DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1054	"%u, data_count = %u\n", (unsigned int)ea_len,
1055	(unsigned int)sd_len, (unsigned int)data_count));
1056	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1057	goto out;
1058	}
1059
1060	if (sd_len) {
1061	DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1062	sd_len));
1063
1064	status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1065	&sd);
1066	if (!NT_STATUS_IS_OK(status)) {
1067	DEBUG(10, ("call_nt_transact_create: "
1068	"unmarshall_sec_desc failed: %s\n",
1069	nt_errstr(status)));
1070	reply_nterror(req, status);
1071	goto out;
1072	}
1073	}
1074
1075	if (ea_len) {
1076	if (!lp_ea_support(SNUM(conn))) {
1077	DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1078	"EA's not supported.\n",
1079	(unsigned int)ea_len));
1080	reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1081	goto out;
1082	}
1083
1084	if (ea_len < 10) {
1085	DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1086	"too small (should be more than 10)\n",
1087	(unsigned int)ea_len ));
1088	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1089	goto out;
1090	}
1091
1092	/* We have already checked that ea_len <= data_count here. */
1093	ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1094	ea_len);
1095	if (ea_list == NULL) {
1096	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1097	goto out;
1098	}
1099	}
1100
1101	srvstr_get_path(ctx, params, req->flags2, &fname,
1102	params+53, parameter_count-53,
1103	STR_TERMINATE, &status);
1104	if (!NT_STATUS_IS_OK(status)) {
1105	reply_nterror(req, status);
1106	goto out;
1107	}
1108
1109	if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1110	case_state = set_posix_case_semantics(ctx, conn);
1111	if (!case_state) {
1112	reply_nterror(req, NT_STATUS_NO_MEMORY);
1113	goto out;
1114	}
1115	}
1116
1117	status = filename_convert(ctx,
1118	conn,
1119	req->flags2 & FLAGS2_DFS_PATHNAMES,
1120	fname,
1121	0,
1122	NULL,
1123	&smb_fname);
1124
1125	TALLOC_FREE(case_state);
1126
1127	if (!NT_STATUS_IS_OK(status)) {
1128	if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1129	reply_botherror(req,
1130	NT_STATUS_PATH_NOT_COVERED,
1131	ERRSRV, ERRbadpath);
1132	goto out;
1133	}
1134	reply_nterror(req, status);
1135	goto out;
1136	}
1137
1138	oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1139	if (oplock_request) {
1140	oplock_request \|= (flags & REQUEST_BATCH_OPLOCK)
1141	? BATCH_OPLOCK : 0;
1142	}
1143
1144	/*
1145	* Bug #6898 - clients using Windows opens should
1146	* never be able to set this attribute into the
1147	* VFS.
1148	*/
1149	file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1150
1151	status = SMB_VFS_CREATE_FILE(
1152	conn, /* conn */
1153	req, /* req */
1154	root_dir_fid, /* root_dir_fid */
1155	smb_fname, /* fname */
1156	access_mask, /* access_mask */
1157	share_access, /* share_access */
1158	create_disposition, /* create_disposition*/
1159	create_options, /* create_options */
1160	file_attributes, /* file_attributes */
1161	oplock_request, /* oplock_request */
1162	allocation_size, /* allocation_size */
1163	sd, /* sd */
1164	ea_list, /* ea_list */
1165	&fsp, /* result */
1166	&info); /* pinfo */
1167
1168	if(!NT_STATUS_IS_OK(status)) {
1169	if (open_was_deferred(req->mid)) {
1170	/* We have re-scheduled this call, no error. */
1171	return;
1172	}
1173	reply_openerror(req, status);
1174	goto out;
1175	}
1176
1177	/* Ensure we're pointing at the correct stat struct. */
1178	TALLOC_FREE(smb_fname);
1179	smb_fname = fsp->fsp_name;
1180
1181	/*
1182	* If the caller set the extended oplock request bit
1183	* and we granted one (by whatever means) - set the
1184	* correct bit for extended oplock reply.
1185	*/
1186
1187	if (oplock_request &&
1188	(lp_fake_oplocks(SNUM(conn))
1189	\|\| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1190
1191	/*
1192	* Exclusive oplock granted
1193	*/
1194
1195	if (flags & REQUEST_BATCH_OPLOCK) {
1196	oplock_granted = BATCH_OPLOCK_RETURN;
1197	} else {
1198	oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1199	}
1200	} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1201	oplock_granted = LEVEL_II_OPLOCK_RETURN;
1202	} else {
1203	oplock_granted = NO_OPLOCK_RETURN;
1204	}
1205
1206	file_len = smb_fname->st.st_ex_size;
1207
1208	/* Realloc the size of parameters and data we will return */
1209	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1210	/* Extended response is 32 more byyes. */
1211	param_len = 101;
1212	} else {
1213	param_len = 69;
1214	}
1215	params = nttrans_realloc(ppparams, param_len);
1216	if(params == NULL) {
1217	reply_nterror(req, NT_STATUS_NO_MEMORY);
1218	goto out;
1219	}
1220
1221	p = params;
1222	SCVAL(p, 0, oplock_granted);
1223
1224	p += 2;
1225	SSVAL(p,0,fsp->fnum);
1226	p += 2;
1227	if ((create_disposition == FILE_SUPERSEDE)
1228	&& (info == FILE_WAS_OVERWRITTEN)) {
1229	SIVAL(p,0,FILE_WAS_SUPERSEDED);
1230	} else {
1231	SIVAL(p,0,info);
1232	}
1233	p += 8;
1234
1235	fattr = dos_mode(conn, smb_fname);
1236	if (fattr == 0) {
1237	fattr = FILE_ATTRIBUTE_NORMAL;
1238	}
1239
1240	/* Deal with other possible opens having a modified
1241	write time. JRA. */
1242	ZERO_STRUCT(write_time_ts);
1243	get_file_infos(fsp->file_id, NULL, &write_time_ts);
1244	if (!null_timespec(write_time_ts)) {
1245	update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1246	}
1247
1248	/* Create time. */
1249	create_timespec = get_create_timespec(conn, fsp, smb_fname);
1250	a_timespec = smb_fname->st.st_ex_atime;
1251	m_timespec = smb_fname->st.st_ex_mtime;
1252	c_timespec = get_change_timespec(conn, fsp, smb_fname);
1253
1254	if (lp_dos_filetime_resolution(SNUM(conn))) {
1255	dos_filetime_timespec(&create_timespec);
1256	dos_filetime_timespec(&a_timespec);
1257	dos_filetime_timespec(&m_timespec);
1258	dos_filetime_timespec(&c_timespec);
1259	}
1260
1261	put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1262	p += 8;
1263	put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1264	p += 8;
1265	put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1266	p += 8;
1267	put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1268	p += 8;
1269	SIVAL(p,0,fattr); /* File Attributes. */
1270	p += 4;
1271	SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1272	p += 8;
1273	SOFF_T(p,0,file_len);
1274	p += 8;
1275	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1276	SSVAL(p,2,0x7);
1277	}
1278	p += 4;
1279	SCVAL(p,0,fsp->is_directory ? 1 : 0);
1280
1281	if (flags & EXTENDED_RESPONSE_REQUIRED) {
1282	uint32 perms = 0;
1283	p += 25;
1284	if (fsp->is_directory \|\|
1285	can_write_to_file(conn, smb_fname)) {
1286	perms = FILE_GENERIC_ALL;
1287	} else {
1288	perms = FILE_GENERIC_READ\|FILE_EXECUTE;
1289	}
1290	SIVAL(p,0,perms);
1291	}
1292
1293	DEBUG(5,("call_nt_transact_create: open name = %s\n",
1294	smb_fname_str_dbg(smb_fname)));
1295
1296	/* Send the required number of replies */
1297	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1298	out:
1299	return;
1300	}
1301
1302	/****************************************************************************
1303	Reply to a NT CANCEL request.
1304	conn POINTER CAN BE NULL HERE !
1305	****************************************************************************/
1306
1307	void reply_ntcancel(struct smb_request *req)
1308	{
1309	/*
1310	* Go through and cancel any pending change notifies.
1311	*/
1312
1313	START_PROFILE(SMBntcancel);
1314	srv_cancel_sign_response(smbd_server_conn);
1315	remove_pending_change_notify_requests_by_mid(req->mid);
1316	remove_pending_lock_requests_by_mid(req->mid);
1317
1318	DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1319
1320	END_PROFILE(SMBntcancel);
1321	return;
1322	}
1323
1324	/****************************************************************************
1325	Copy a file.
1326	****************************************************************************/
1327
1328	static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1329	connection_struct *conn,
1330	struct smb_request *req,
1331	struct smb_filename *smb_fname_src,
1332	struct smb_filename *smb_fname_dst,
1333	uint32 attrs)
1334	{
1335	files_struct fsp1,fsp2;
1336	uint32 fattr;
1337	int info;
1338	SMB_OFF_T ret=-1;
1339	NTSTATUS status = NT_STATUS_OK;
1340	char *parent;
1341
1342	if (!CAN_WRITE(conn)) {
1343	status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1344	goto out;
1345	}
1346
1347	/* Source must already exist. */
1348	if (!VALID_STAT(smb_fname_src->st)) {
1349	status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1350	goto out;
1351	}
1352
1353	/* Ensure attributes match. */
1354	fattr = dos_mode(conn, smb_fname_src);
1355	if ((fattr & ~attrs) & (aHIDDEN \| aSYSTEM)) {
1356	status = NT_STATUS_NO_SUCH_FILE;
1357	goto out;
1358	}
1359
1360	/* Disallow if dst file already exists. */
1361	if (VALID_STAT(smb_fname_dst->st)) {
1362	status = NT_STATUS_OBJECT_NAME_COLLISION;
1363	goto out;
1364	}
1365
1366	/* No links from a directory. */
1367	if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1368	status = NT_STATUS_FILE_IS_A_DIRECTORY;
1369	goto out;
1370	}
1371
1372	DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1373	smb_fname_str_dbg(smb_fname_src),
1374	smb_fname_str_dbg(smb_fname_dst)));
1375
1376	status = SMB_VFS_CREATE_FILE(
1377	conn, /* conn */
1378	req, /* req */
1379	0, /* root_dir_fid */
1380	smb_fname_src, /* fname */
1381	FILE_READ_DATA, /* access_mask */
1382	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1383	FILE_SHARE_DELETE),
1384	FILE_OPEN, /* create_disposition*/
1385	0, /* create_options */
1386	FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1387	NO_OPLOCK, /* oplock_request */
1388	0, /* allocation_size */
1389	NULL, /* sd */
1390	NULL, /* ea_list */
1391	&fsp1, /* result */
1392	&info); /* pinfo */
1393
1394	if (!NT_STATUS_IS_OK(status)) {
1395	goto out;
1396	}
1397
1398	status = SMB_VFS_CREATE_FILE(
1399	conn, /* conn */
1400	req, /* req */
1401	0, /* root_dir_fid */
1402	smb_fname_dst, /* fname */
1403	FILE_WRITE_DATA, /* access_mask */
1404	(FILE_SHARE_READ \| FILE_SHARE_WRITE \| /* share_access */
1405	FILE_SHARE_DELETE),
1406	FILE_CREATE, /* create_disposition*/
1407	0, /* create_options */
1408	fattr, /* file_attributes */
1409	NO_OPLOCK, /* oplock_request */
1410	0, /* allocation_size */
1411	NULL, /* sd */
1412	NULL, /* ea_list */
1413	&fsp2, /* result */
1414	&info); /* pinfo */
1415
1416	if (!NT_STATUS_IS_OK(status)) {
1417	close_file(NULL, fsp1, ERROR_CLOSE);
1418	goto out;
1419	}
1420
1421	if (smb_fname_src->st.st_ex_size) {
1422	ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1423	}
1424
1425	/*
1426	* As we are opening fsp1 read-only we only expect
1427	* an error on close on fsp2 if we are out of space.
1428	* Thus we don't look at the error return from the
1429	* close of fsp1.
1430	*/
1431	close_file(NULL, fsp1, NORMAL_CLOSE);
1432
1433	/* Ensure the modtime is set correctly on the destination file. */
1434	set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1435
1436	status = close_file(NULL, fsp2, NORMAL_CLOSE);
1437
1438	/* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1439	creates the file. This isn't the correct thing to do in the copy
1440	case. JRA */
1441	if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1442	NULL)) {
1443	status = NT_STATUS_NO_MEMORY;
1444	goto out;
1445	}
1446	file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1447	TALLOC_FREE(parent);
1448
1449	if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1450	status = NT_STATUS_DISK_FULL;
1451	goto out;
1452	}
1453	out:
1454	if (!NT_STATUS_IS_OK(status)) {
1455	DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1456	nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1457	smb_fname_str_dbg(smb_fname_dst)));
1458	}
1459
1460	return status;
1461	}
1462
1463	/****************************************************************************
1464	Reply to a NT rename request.
1465	****************************************************************************/
1466
1467	void reply_ntrename(struct smb_request *req)
1468	{
1469	connection_struct *conn = req->conn;
1470	struct smb_filename *smb_fname_old = NULL;
1471	struct smb_filename *smb_fname_new = NULL;
1472	char *oldname = NULL;
1473	char *newname = NULL;
1474	const char *p;
1475	NTSTATUS status;
1476	bool src_has_wcard = False;
1477	bool dest_has_wcard = False;
1478	uint32 attrs;
1479	uint32_t ucf_flags_src = 0;
1480	uint32_t ucf_flags_dst = 0;
1481	uint16 rename_type;
1482	TALLOC_CTX *ctx = talloc_tos();
1483
1484	START_PROFILE(SMBntrename);
1485
1486	if (req->wct < 4) {
1487	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1488	goto out;
1489	}
1490
1491	attrs = SVAL(req->vwv+0, 0);
1492	rename_type = SVAL(req->vwv+1, 0);
1493
1494	p = (const char *)req->buf + 1;
1495	p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1496	&status, &src_has_wcard);
1497	if (!NT_STATUS_IS_OK(status)) {
1498	reply_nterror(req, status);
1499	goto out;
1500	}
1501
1502	if (ms_has_wild(oldname)) {
1503	reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1504	goto out;
1505	}
1506
1507	p++;
1508	p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1509	&status, &dest_has_wcard);
1510	if (!NT_STATUS_IS_OK(status)) {
1511	reply_nterror(req, status);
1512	goto out;
1513	}
1514
1515	/* The newname must begin with a ':' if the oldname contains a ':'. */
1516	if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1517	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1518	goto out;
1519	}
1520
1521	/*
1522	* If this is a rename operation, allow wildcards and save the
1523	* destination's last component.
1524	*/
1525	if (rename_type == RENAME_FLAG_RENAME) {
1526	ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1527	ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP \| UCF_SAVE_LCOMP;
1528	}
1529
1530	/* rename_internals() calls unix_convert(), so don't call it here. */
1531	status = filename_convert(ctx, conn,
1532	req->flags2 & FLAGS2_DFS_PATHNAMES,
1533	oldname,
1534	ucf_flags_src,
1535	NULL,
1536	&smb_fname_old);
1537	if (!NT_STATUS_IS_OK(status)) {
1538	if (NT_STATUS_EQUAL(status,
1539	NT_STATUS_PATH_NOT_COVERED)) {
1540	reply_botherror(req,
1541	NT_STATUS_PATH_NOT_COVERED,
1542	ERRSRV, ERRbadpath);
1543	goto out;
1544	}
1545	reply_nterror(req, status);
1546	goto out;
1547	}
1548
1549	status = filename_convert(ctx, conn,
1550	req->flags2 & FLAGS2_DFS_PATHNAMES,
1551	newname,
1552	ucf_flags_dst,
1553	&dest_has_wcard,
1554	&smb_fname_new);
1555	if (!NT_STATUS_IS_OK(status)) {
1556	if (NT_STATUS_EQUAL(status,
1557	NT_STATUS_PATH_NOT_COVERED)) {
1558	reply_botherror(req,
1559	NT_STATUS_PATH_NOT_COVERED,
1560	ERRSRV, ERRbadpath);
1561	goto out;
1562	}
1563	reply_nterror(req, status);
1564	goto out;
1565	}
1566
1567	DEBUG(3,("reply_ntrename: %s -> %s\n",
1568	smb_fname_str_dbg(smb_fname_old),
1569	smb_fname_str_dbg(smb_fname_new)));
1570
1571	switch(rename_type) {
1572	case RENAME_FLAG_RENAME:
1573	status = rename_internals(ctx, conn, req,
1574	smb_fname_old, smb_fname_new,
1575	attrs, False, src_has_wcard,
1576	dest_has_wcard,
1577	DELETE_ACCESS);
1578	break;
1579	case RENAME_FLAG_HARD_LINK:
1580	if (src_has_wcard \|\| dest_has_wcard) {
1581	/* No wildcards. */
1582	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1583	} else {
1584	status = hardlink_internals(ctx, conn,
1585	smb_fname_old,
1586	smb_fname_new);
1587	}
1588	break;
1589	case RENAME_FLAG_COPY:
1590	if (src_has_wcard \|\| dest_has_wcard) {
1591	/* No wildcards. */
1592	status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1593	} else {
1594	status = copy_internals(ctx, conn, req,
1595	smb_fname_old,
1596	smb_fname_new,
1597	attrs);
1598	}
1599	break;
1600	case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1601	status = NT_STATUS_INVALID_PARAMETER;
1602	break;
1603	default:
1604	status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1605	break;
1606	}
1607
1608	if (!NT_STATUS_IS_OK(status)) {
1609	if (open_was_deferred(req->mid)) {
1610	/* We have re-scheduled this call. */
1611	goto out;
1612	}
1613
1614	reply_nterror(req, status);
1615	goto out;
1616	}
1617
1618	reply_outbuf(req, 0, 0);
1619	out:
1620	END_PROFILE(SMBntrename);
1621	return;
1622	}
1623
1624	/****************************************************************************
1625	Reply to a notify change - queue the request and
1626	don't allow a directory to be opened.
1627	****************************************************************************/
1628
1629	static void smbd_smb1_notify_reply(struct smb_request *req,
1630	NTSTATUS error_code,
1631	uint8_t *buf, size_t len)
1632	{
1633	send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1634	}
1635
1636	static void call_nt_transact_notify_change(connection_struct *conn,
1637	struct smb_request *req,
1638	uint16 **ppsetup,
1639	uint32 setup_count,
1640	char **ppparams,
1641	uint32 parameter_count,
1642	char **ppdata, uint32 data_count,
1643	uint32 max_data_count,
1644	uint32 max_param_count)
1645	{
1646	uint16 setup = ppsetup;
1647	files_struct *fsp;
1648	uint32 filter;
1649	NTSTATUS status;
1650	bool recursive;
1651
1652	if(setup_count < 6) {
1653	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1654	return;
1655	}
1656
1657	fsp = file_fsp(req, SVAL(setup,4));
1658	filter = IVAL(setup, 0);
1659	recursive = (SVAL(setup, 6) != 0) ? True : False;
1660
1661	DEBUG(3,("call_nt_transact_notify_change\n"));
1662
1663	if(!fsp) {
1664	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1665	return;
1666	}
1667
1668	{
1669	char *filter_string;
1670
1671	if (!(filter_string = notify_filter_string(NULL, filter))) {
1672	reply_nterror(req,NT_STATUS_NO_MEMORY);
1673	return;
1674	}
1675
1676	DEBUG(3,("call_nt_transact_notify_change: notify change "
1677	"called on %s, filter = %s, recursive = %d\n",
1678	fsp_str_dbg(fsp), filter_string, recursive));
1679
1680	TALLOC_FREE(filter_string);
1681	}
1682
1683	if((!fsp->is_directory) \|\| (conn != fsp->conn)) {
1684	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1685	return;
1686	}
1687
1688	if (fsp->notify == NULL) {
1689
1690	status = change_notify_create(fsp, filter, recursive);
1691
1692	if (!NT_STATUS_IS_OK(status)) {
1693	DEBUG(10, ("change_notify_create returned %s\n",
1694	nt_errstr(status)));
1695	reply_nterror(req, status);
1696	return;
1697	}
1698	}
1699
1700	if (fsp->notify->num_changes != 0) {
1701
1702	/*
1703	* We've got changes pending, respond immediately
1704	*/
1705
1706	/*
1707	* TODO: write a torture test to check the filtering behaviour
1708	* here.
1709	*/
1710
1711	change_notify_reply(fsp->conn, req,
1712	NT_STATUS_OK,
1713	max_param_count,
1714	fsp->notify,
1715	smbd_smb1_notify_reply);
1716
1717	/*
1718	* change_notify_reply() above has independently sent its
1719	* results
1720	*/
1721	return;
1722	}
1723
1724	/*
1725	* No changes pending, queue the request
1726	*/
1727
1728	status = change_notify_add_request(req,
1729	max_param_count,
1730	filter,
1731	recursive, fsp,
1732	smbd_smb1_notify_reply);
1733	if (!NT_STATUS_IS_OK(status)) {
1734	reply_nterror(req, status);
1735	}
1736	return;
1737	}
1738
1739	/****************************************************************************
1740	Reply to an NT transact rename command.
1741	****************************************************************************/
1742
1743	static void call_nt_transact_rename(connection_struct *conn,
1744	struct smb_request *req,
1745	uint16 **ppsetup, uint32 setup_count,
1746	char **ppparams, uint32 parameter_count,
1747	char **ppdata, uint32 data_count,
1748	uint32 max_data_count)
1749	{
1750	char params = ppparams;
1751	char *new_name = NULL;
1752	files_struct *fsp = NULL;
1753	bool dest_has_wcard = False;
1754	NTSTATUS status;
1755	TALLOC_CTX *ctx = talloc_tos();
1756
1757	if(parameter_count < 5) {
1758	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1759	return;
1760	}
1761
1762	fsp = file_fsp(req, SVAL(params, 0));
1763	if (!check_fsp(conn, req, fsp)) {
1764	return;
1765	}
1766	srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1767	parameter_count - 4,
1768	STR_TERMINATE, &status, &dest_has_wcard);
1769	if (!NT_STATUS_IS_OK(status)) {
1770	reply_nterror(req, status);
1771	return;
1772	}
1773
1774	/*
1775	* W2K3 ignores this request as the RAW-RENAME test
1776	* demonstrates, so we do.
1777	*/
1778	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1779
1780	DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1781	fsp_str_dbg(fsp), new_name));
1782
1783	return;
1784	}
1785
1786	/******************************************************************************
1787	Fake up a completely empty SD.
1788	*******************************************************************************/
1789
1790	static NTSTATUS get_null_nt_acl(TALLOC_CTX mem_ctx, SEC_DESC *ppsd)
1791	{
1792	size_t sd_size;
1793
1794	*ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1795	if(!*ppsd) {
1796	DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1797	return NT_STATUS_NO_MEMORY;
1798	}
1799
1800	return NT_STATUS_OK;
1801	}
1802
1803	/****************************************************************************
1804	Reply to query a security descriptor.
1805	****************************************************************************/
1806
1807	static void call_nt_transact_query_security_desc(connection_struct *conn,
1808	struct smb_request *req,
1809	uint16 **ppsetup,
1810	uint32 setup_count,
1811	char **ppparams,
1812	uint32 parameter_count,
1813	char **ppdata,
1814	uint32 data_count,
1815	uint32 max_data_count)
1816	{
1817	char params = ppparams;
1818	char data = ppdata;
1819	SEC_DESC *psd = NULL;
1820	size_t sd_size;
1821	uint32 security_info_wanted;
1822	files_struct *fsp = NULL;
1823	NTSTATUS status;
1824	DATA_BLOB blob;
1825
1826	if(parameter_count < 8) {
1827	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1828	return;
1829	}
1830
1831	fsp = file_fsp(req, SVAL(params,0));
1832	if(!fsp) {
1833	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1834	return;
1835	}
1836
1837	security_info_wanted = IVAL(params,4);
1838
1839	DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1840	"info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1841	(unsigned int)security_info_wanted));
1842
1843	params = nttrans_realloc(ppparams, 4);
1844	if(params == NULL) {
1845	reply_nterror(req, NT_STATUS_NO_MEMORY);
1846	return;
1847	}
1848
1849	/*
1850	* Get the permissions to return.
1851	*/
1852
1853	if ((security_info_wanted & SECINFO_SACL) &&
1854	!(fsp->access_mask & SEC_FLAG_SYSTEM_SECURITY)) {
1855	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1856	return;
1857	}
1858
1859	if ((security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|SECINFO_GROUP)) &&
1860	!(fsp->access_mask & SEC_STD_READ_CONTROL)) {
1861	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1862	return;
1863	}
1864
1865	if (security_info_wanted & (SECINFO_DACL\|SECINFO_OWNER\|
1866	SECINFO_GROUP\|SECINFO_SACL)) {
1867	/* Don't return SECINFO_LABEL if anything else was
1868	requested. See bug #8458. */
1869	security_info_wanted &= ~SECINFO_LABEL;
1870	}
1871
1872	if (!lp_nt_acl_support(SNUM(conn))) {
1873	status = get_null_nt_acl(talloc_tos(), &psd);
1874	} else if (security_info_wanted & SECINFO_LABEL) {
1875	/* Like W2K3 return a null object. */
1876	status = get_null_nt_acl(talloc_tos(), &psd);
1877	} else {
1878	status = SMB_VFS_FGET_NT_ACL(
1879	fsp, security_info_wanted, &psd);
1880	}
1881	if (!NT_STATUS_IS_OK(status)) {
1882	reply_nterror(req, status);
1883	return;
1884	}
1885
1886	if (!(security_info_wanted & SECINFO_OWNER)) {
1887	psd->owner_sid = NULL;
1888	}
1889	if (!(security_info_wanted & SECINFO_GROUP)) {
1890	psd->group_sid = NULL;
1891	}
1892	if (!(security_info_wanted & SECINFO_DACL)) {
1893	psd->type &= ~SEC_DESC_DACL_PRESENT;
1894	psd->dacl = NULL;
1895	}
1896	if (!(security_info_wanted & SECINFO_SACL)) {
1897	psd->type &= ~SEC_DESC_SACL_PRESENT;
1898	psd->sacl = NULL;
1899	}
1900
1901	/* If the SACL/DACL is NULL, but was requested, we mark that it is
1902	* present in the reply to match Windows behavior */
1903	if (psd->sacl == NULL &&
1904	security_info_wanted & SACL_SECURITY_INFORMATION)
1905	psd->type \|= SEC_DESC_SACL_PRESENT;
1906	if (psd->dacl == NULL &&
1907	security_info_wanted & DACL_SECURITY_INFORMATION)
1908	psd->type \|= SEC_DESC_DACL_PRESENT;
1909
1910	if (security_info_wanted & SECINFO_LABEL) {
1911	/* Like W2K3 return a null object. */
1912	psd->owner_sid = NULL;
1913	psd->group_sid = NULL;
1914	psd->dacl = NULL;
1915	psd->sacl = NULL;
1916	psd->type &= ~(SEC_DESC_DACL_PRESENT\|SEC_DESC_SACL_PRESENT);
1917	}
1918
1919	sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1920
1921	DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1922
1923	if (DEBUGLEVEL >= 10) {
1924	DEBUG(10,("call_nt_transact_query_security_desc for file %s\n",
1925	fsp_str_dbg(fsp)));
1926	NDR_PRINT_DEBUG(security_descriptor, psd);
1927	}
1928
1929	SIVAL(params,0,(uint32)sd_size);
1930
1931	if (max_data_count < sd_size) {
1932	send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1933	params, 4, *ppdata, 0);
1934	return;
1935	}
1936
1937	/*
1938	* Allocate the data we will point this at.
1939	*/
1940
1941	data = nttrans_realloc(ppdata, sd_size);
1942	if(data == NULL) {
1943	reply_nterror(req, NT_STATUS_NO_MEMORY);
1944	return;
1945	}
1946
1947	status = marshall_sec_desc(talloc_tos(), psd,
1948	&blob.data, &blob.length);
1949
1950	if (!NT_STATUS_IS_OK(status)) {
1951	reply_nterror(req, status);
1952	return;
1953	}
1954
1955	SMB_ASSERT(sd_size == blob.length);
1956	memcpy(data, blob.data, sd_size);
1957
1958	send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1959
1960	return;
1961	}
1962
1963	/****************************************************************************
1964	Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1965	****************************************************************************/
1966
1967	static void call_nt_transact_set_security_desc(connection_struct *conn,
1968	struct smb_request *req,
1969	uint16 **ppsetup,
1970	uint32 setup_count,
1971	char **ppparams,
1972	uint32 parameter_count,
1973	char **ppdata,
1974	uint32 data_count,
1975	uint32 max_data_count)
1976	{
1977	char params= ppparams;
1978	char data = ppdata;
1979	files_struct *fsp = NULL;
1980	uint32 security_info_sent = 0;
1981	NTSTATUS status;
1982
1983	if(parameter_count < 8) {
1984	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1985	return;
1986	}
1987
1988	if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1989	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1990	return;
1991	}
1992
1993	if(!lp_nt_acl_support(SNUM(conn))) {
1994	goto done;
1995	}
1996
1997	security_info_sent = IVAL(params,4);
1998
1999	DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
2000	fsp_str_dbg(fsp), (unsigned int)security_info_sent));
2001
2002	if (data_count == 0) {
2003	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2004	return;
2005	}
2006
2007	status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
2008
2009	if (!NT_STATUS_IS_OK(status)) {
2010	reply_nterror(req, status);
2011	return;
2012	}
2013
2014	done:
2015	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2016	return;
2017	}
2018
2019	/****************************************************************************
2020	Reply to NT IOCTL
2021	****************************************************************************/
2022
2023	static void call_nt_transact_ioctl(connection_struct *conn,
2024	struct smb_request *req,
2025	uint16 **ppsetup, uint32 setup_count,
2026	char **ppparams, uint32 parameter_count,
2027	char **ppdata, uint32 data_count,
2028	uint32 max_data_count)
2029	{
2030	uint32 function;
2031	uint16 fidnum;
2032	files_struct *fsp;
2033	uint8 isFSctl;
2034	uint8 compfilter;
2035	char pdata = ppdata;
2036
2037	if (setup_count != 8) {
2038	DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2039	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2040	return;
2041	}
2042
2043	function = IVAL(*ppsetup, 0);
2044	fidnum = SVAL(*ppsetup, 4);
2045	isFSctl = CVAL(*ppsetup, 6);
2046	compfilter = CVAL(*ppsetup, 7);
2047
2048	DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
2049	function, fidnum, isFSctl, compfilter));
2050
2051	fsp=file_fsp(req, fidnum);
2052	/* this check is done in each implemented function case for now
2053	because I don't want to break anything... --metze
2054	FSP_BELONGS_CONN(fsp,conn);*/
2055
2056	SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2057
2058	switch (function) {
2059	case FSCTL_SET_SPARSE:
2060	/* pretend this succeeded - tho strictly we should
2061	mark the file sparse (if the local fs supports it)
2062	so we can know if we need to pre-allocate or not */
2063
2064	DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2065	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2066	return;
2067
2068	case FSCTL_CREATE_OR_GET_OBJECT_ID:
2069	{
2070	unsigned char objid[16];
2071
2072	/* This should return the object-id on this file.
2073	* I think I'll make this be the inode+dev. JRA.
2074	*/
2075
2076	DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2077
2078	if (!fsp_belongs_conn(conn, req, fsp)) {
2079	return;
2080	}
2081
2082	data_count = 64;
2083	pdata = nttrans_realloc(ppdata, data_count);
2084	if (pdata == NULL) {
2085	reply_nterror(req, NT_STATUS_NO_MEMORY);
2086	return;
2087	}
2088
2089	/* For backwards compatibility only store the dev/inode. */
2090	push_file_id_16(pdata, &fsp->file_id);
2091	memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2092	push_file_id_16(pdata+32, &fsp->file_id);
2093	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2094	pdata, data_count);
2095	return;
2096	}
2097
2098	case FSCTL_GET_REPARSE_POINT:
2099	/* pretend this fail - my winXP does it like this
2100	* --metze
2101	*/
2102
2103	DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2104	reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2105	return;
2106
2107	case FSCTL_SET_REPARSE_POINT:
2108	/* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2109	* --metze
2110	*/
2111
2112	DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2113	reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2114	return;
2115
2116	case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2117	{
2118	/*
2119	* This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2120	* and return their volume names. If max_data_count is 16, then it is just
2121	* asking for the number of volumes and length of the combined names.
2122	*
2123	* pdata is the data allocated by our caller, but that uses
2124	* total_data_count (which is 0 in our case) rather than max_data_count.
2125	* Allocate the correct amount and return the pointer to let
2126	* it be deallocated when we return.
2127	*/
2128	SHADOW_COPY_DATA *shadow_data = NULL;
2129	TALLOC_CTX *shadow_mem_ctx = NULL;
2130	bool labels = False;
2131	uint32 labels_data_count = 0;
2132	uint32 i;
2133	char *cur_pdata;
2134
2135	if (!fsp_belongs_conn(conn, req, fsp)) {
2136	return;
2137	}
2138
2139	if (max_data_count < 16) {
2140	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2141	max_data_count));
2142	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2143	return;
2144	}
2145
2146	if (max_data_count > 16) {
2147	labels = True;
2148	}
2149
2150	shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2151	if (shadow_mem_ctx == NULL) {
2152	DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2153	reply_nterror(req, NT_STATUS_NO_MEMORY);
2154	return;
2155	}
2156
2157	shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2158	if (shadow_data == NULL) {
2159	DEBUG(0,("TALLOC_ZERO() failed!\n"));
2160	talloc_destroy(shadow_mem_ctx);
2161	reply_nterror(req, NT_STATUS_NO_MEMORY);
2162	return;
2163	}
2164
2165	shadow_data->mem_ctx = shadow_mem_ctx;
2166
2167	/*
2168	* Call the VFS routine to actually do the work.
2169	*/
2170	if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2171	talloc_destroy(shadow_data->mem_ctx);
2172	if (errno == ENOSYS) {
2173	DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
2174	conn->connectpath));
2175	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2176	return;
2177	} else {
2178	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
2179	conn->connectpath));
2180	reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2181	return;
2182	}
2183	}
2184
2185	labels_data_count = (shadow_data->num_volumes2sizeof(SHADOW_COPY_LABEL))+2;
2186
2187	if (!labels) {
2188	data_count = 16;
2189	} else {
2190	data_count = 12+labels_data_count+4;
2191	}
2192
2193	if (max_data_count<data_count) {
2194	DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2195	max_data_count,data_count));
2196	talloc_destroy(shadow_data->mem_ctx);
2197	reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2198	return;
2199	}
2200
2201	pdata = nttrans_realloc(ppdata, data_count);
2202	if (pdata == NULL) {
2203	talloc_destroy(shadow_data->mem_ctx);
2204	reply_nterror(req, NT_STATUS_NO_MEMORY);
2205	return;
2206	}
2207
2208	cur_pdata = pdata;
2209
2210	/* num_volumes 4 bytes */
2211	SIVAL(pdata,0,shadow_data->num_volumes);
2212
2213	if (labels) {
2214	/* num_labels 4 bytes */
2215	SIVAL(pdata,4,shadow_data->num_volumes);
2216	}
2217
2218	/* needed_data_count 4 bytes */
2219	SIVAL(pdata, 8, labels_data_count+4);
2220
2221	cur_pdata+=12;
2222
2223	DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2224	shadow_data->num_volumes, fsp_str_dbg(fsp)));
2225	if (labels && shadow_data->labels) {
2226	for (i=0;i<shadow_data->num_volumes;i++) {
2227	srvstr_push(pdata, req->flags2,
2228	cur_pdata, shadow_data->labels[i],
2229	2*sizeof(SHADOW_COPY_LABEL),
2230	STR_UNICODE\|STR_TERMINATE);
2231	cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2232	DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2233	}
2234	}
2235
2236	talloc_destroy(shadow_data->mem_ctx);
2237
2238	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2239	pdata, data_count);
2240
2241	return;
2242	}
2243
2244	case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2245	{
2246	/* pretend this succeeded -
2247	*
2248	* we have to send back a list with all files owned by this SID
2249	*
2250	* but I have to check that --metze
2251	*/
2252	DOM_SID sid;
2253	uid_t uid;
2254	size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2255
2256	DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2257
2258	if (!fsp_belongs_conn(conn, req, fsp)) {
2259	return;
2260	}
2261
2262	/* unknown 4 bytes: this is not the length of the sid :-( */
2263	/unknown = IVAL(pdata,0);/
2264
2265	if (!sid_parse(pdata+4,sid_len,&sid)) {
2266	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2267	return;
2268	}
2269
2270	DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2271
2272	if (!sid_to_uid(&sid, &uid)) {
2273	DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2274	sid_string_dbg(&sid),
2275	(unsigned long)sid_len));
2276	uid = (-1);
2277	}
2278
2279	/* we can take a look at the find source :-)
2280	*
2281	* find ./ -uid $uid -name '*' is what we need here
2282	*
2283	*
2284	* and send 4bytes len and then NULL terminated unicode strings
2285	* for each file
2286	*
2287	* but I don't know how to deal with the paged results
2288	* (maybe we can hang the result anywhere in the fsp struct)
2289	*
2290	* we don't send all files at once
2291	* and at the next we should not start from the beginning,
2292	* so we have to cache the result
2293	*
2294	* --metze
2295	*/
2296
2297	/* this works for now... */
2298	send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2299	return;
2300	}
2301	default:
2302	if (!logged_ioctl_message) {
2303	logged_ioctl_message = true; /* Only print this once... */
2304	DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2305	function));
2306	}
2307	}
2308
2309	reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2310	}
2311
2312
2313	#ifdef HAVE_SYS_QUOTAS
2314	/****************************************************************************
2315	Reply to get user quota
2316	****************************************************************************/
2317
2318	static void call_nt_transact_get_user_quota(connection_struct *conn,
2319	struct smb_request *req,
2320	uint16 **ppsetup,
2321	uint32 setup_count,
2322	char **ppparams,
2323	uint32 parameter_count,
2324	char **ppdata,
2325	uint32 data_count,
2326	uint32 max_data_count)
2327	{
2328	NTSTATUS nt_status = NT_STATUS_OK;
2329	char params = ppparams;
2330	char pdata = ppdata;
2331	char *entry;
2332	int data_len=0,param_len=0;
2333	int qt_len=0;
2334	int entry_len = 0;
2335	files_struct *fsp = NULL;
2336	uint16 level = 0;
2337	size_t sid_len;
2338	DOM_SID sid;
2339	bool start_enum = True;
2340	SMB_NTQUOTA_STRUCT qt;
2341	SMB_NTQUOTA_LIST *tmp_list;
2342	SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2343
2344	ZERO_STRUCT(qt);
2345
2346	/* access check */
2347	if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
2348	DEBUG(1,("get_user_quota: access_denied service [%s] user "
2349	"[%s]\n", lp_servicename(SNUM(conn)),
2350	conn->server_info->unix_name));
2351	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2352	return;
2353	}
2354
2355	/*
2356	* Ensure minimum number of parameters sent.
2357	*/
2358
2359	if (parameter_count < 4) {
2360	DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2361	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2362	return;
2363	}
2364
2365	/* maybe we can check the quota_fnum */
2366	fsp = file_fsp(req, SVAL(params,0));
2367	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2368	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2369	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2370	return;
2371	}
2372
2373	/* the NULL pointer checking for fsp->fake_file_handle->pd
2374	* is done by CHECK_NTQUOTA_HANDLE_OK()
2375	*/
2376	qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2377
2378	level = SVAL(params,2);
2379
2380	/* unknown 12 bytes leading in params */
2381
2382	switch (level) {
2383	case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2384	/* seems that we should continue with the enum here --metze */
2385
2386	if (qt_handle->quota_list!=NULL &&
2387	qt_handle->tmp_list==NULL) {
2388
2389	/* free the list */
2390	free_ntquota_list(&(qt_handle->quota_list));
2391
2392	/* Realloc the size of parameters and data we will return */
2393	param_len = 4;
2394	params = nttrans_realloc(ppparams, param_len);
2395	if(params == NULL) {
2396	reply_nterror(req, NT_STATUS_NO_MEMORY);
2397	return;
2398	}
2399
2400	data_len = 0;
2401	SIVAL(params,0,data_len);
2402
2403	break;
2404	}
2405
2406	start_enum = False;
2407
2408	case TRANSACT_GET_USER_QUOTA_LIST_START:
2409
2410	if (qt_handle->quota_list==NULL &&
2411	qt_handle->tmp_list==NULL) {
2412	start_enum = True;
2413	}
2414
2415	if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2416	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2417	return;
2418	}
2419
2420	/* Realloc the size of parameters and data we will return */
2421	param_len = 4;
2422	params = nttrans_realloc(ppparams, param_len);
2423	if(params == NULL) {
2424	reply_nterror(req, NT_STATUS_NO_MEMORY);
2425	return;
2426	}
2427
2428	/* we should not trust the value in max_data_count*/
2429	max_data_count = MIN(max_data_count,2048);
2430
2431	pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2432	if(pdata == NULL) {
2433	reply_nterror(req, NT_STATUS_NO_MEMORY);
2434	return;
2435	}
2436
2437	entry = pdata;
2438
2439	/* set params Size of returned Quota Data 4 bytes*/
2440	/* but set it later when we know it */
2441
2442	/* for each entry push the data */
2443
2444	if (start_enum) {
2445	qt_handle->tmp_list = qt_handle->quota_list;
2446	}
2447
2448	tmp_list = qt_handle->tmp_list;
2449
2450	for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2451	tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2452
2453	sid_len = ndr_size_dom_sid(
2454	&tmp_list->quotas->sid, NULL, 0);
2455	entry_len = 40 + sid_len;
2456
2457	/* nextoffset entry 4 bytes */
2458	SIVAL(entry,0,entry_len);
2459
2460	/* then the len of the SID 4 bytes */
2461	SIVAL(entry,4,sid_len);
2462
2463	/* unknown data 8 bytes uint64_t */
2464	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2465
2466	/* the used disk space 8 bytes uint64_t */
2467	SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2468
2469	/* the soft quotas 8 bytes uint64_t */
2470	SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2471
2472	/* the hard quotas 8 bytes uint64_t */
2473	SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2474
2475	/* and now the SID */
2476	sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2477	}
2478
2479	qt_handle->tmp_list = tmp_list;
2480
2481	/* overwrite the offset of the last entry */
2482	SIVAL(entry-entry_len,0,0);
2483
2484	data_len = 4+qt_len;
2485	/* overwrite the params quota_data_len */
2486	SIVAL(params,0,data_len);
2487
2488	break;
2489
2490	case TRANSACT_GET_USER_QUOTA_FOR_SID:
2491
2492	/* unknown 4 bytes IVAL(pdata,0) */
2493
2494	if (data_count < 8) {
2495	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2496	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2497	return;
2498	}
2499
2500	sid_len = IVAL(pdata,4);
2501	/* Ensure this is less than 1mb. */
2502	if (sid_len > (1024*1024)) {
2503	reply_nterror(req, NT_STATUS_NO_MEMORY);
2504	return;
2505	}
2506
2507	if (data_count < 8+sid_len) {
2508	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2509	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2510	return;
2511	}
2512
2513	data_len = 4+40+sid_len;
2514
2515	if (max_data_count < data_len) {
2516	DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2517	max_data_count, data_len));
2518	param_len = 4;
2519	SIVAL(params,0,data_len);
2520	data_len = 0;
2521	nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2522	break;
2523	}
2524
2525	if (!sid_parse(pdata+8,sid_len,&sid)) {
2526	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2527	return;
2528	}
2529
2530	if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2531	ZERO_STRUCT(qt);
2532	/*
2533	* we have to return zero's in all fields
2534	* instead of returning an error here
2535	* --metze
2536	*/
2537	}
2538
2539	/* Realloc the size of parameters and data we will return */
2540	param_len = 4;
2541	params = nttrans_realloc(ppparams, param_len);
2542	if(params == NULL) {
2543	reply_nterror(req, NT_STATUS_NO_MEMORY);
2544	return;
2545	}
2546
2547	pdata = nttrans_realloc(ppdata, data_len);
2548	if(pdata == NULL) {
2549	reply_nterror(req, NT_STATUS_NO_MEMORY);
2550	return;
2551	}
2552
2553	entry = pdata;
2554
2555	/* set params Size of returned Quota Data 4 bytes*/
2556	SIVAL(params,0,data_len);
2557
2558	/* nextoffset entry 4 bytes */
2559	SIVAL(entry,0,0);
2560
2561	/* then the len of the SID 4 bytes */
2562	SIVAL(entry,4,sid_len);
2563
2564	/* unknown data 8 bytes uint64_t */
2565	SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2566
2567	/* the used disk space 8 bytes uint64_t */
2568	SBIG_UINT(entry,16,qt.usedspace);
2569
2570	/* the soft quotas 8 bytes uint64_t */
2571	SBIG_UINT(entry,24,qt.softlim);
2572
2573	/* the hard quotas 8 bytes uint64_t */
2574	SBIG_UINT(entry,32,qt.hardlim);
2575
2576	/* and now the SID */
2577	sid_linearize(entry+40, sid_len, &sid);
2578
2579	break;
2580
2581	default:
2582	DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2583	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2584	return;
2585	break;
2586	}
2587
2588	send_nt_replies(conn, req, nt_status, params, param_len,
2589	pdata, data_len);
2590	}
2591
2592	/****************************************************************************
2593	Reply to set user quota
2594	****************************************************************************/
2595
2596	static void call_nt_transact_set_user_quota(connection_struct *conn,
2597	struct smb_request *req,
2598	uint16 **ppsetup,
2599	uint32 setup_count,
2600	char **ppparams,
2601	uint32 parameter_count,
2602	char **ppdata,
2603	uint32 data_count,
2604	uint32 max_data_count)
2605	{
2606	char params = ppparams;
2607	char pdata = ppdata;
2608	int data_len=0,param_len=0;
2609	SMB_NTQUOTA_STRUCT qt;
2610	size_t sid_len;
2611	DOM_SID sid;
2612	files_struct *fsp = NULL;
2613
2614	ZERO_STRUCT(qt);
2615
2616	/* access check */
2617	if (conn->server_info->utok.uid != 0 && !conn->admin_user) {
2618	DEBUG(1,("set_user_quota: access_denied service [%s] user "
2619	"[%s]\n", lp_servicename(SNUM(conn)),
2620	conn->server_info->unix_name));
2621	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2622	return;
2623	}
2624
2625	/*
2626	* Ensure minimum number of parameters sent.
2627	*/
2628
2629	if (parameter_count < 2) {
2630	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2631	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2632	return;
2633	}
2634
2635	/* maybe we can check the quota_fnum */
2636	fsp = file_fsp(req, SVAL(params,0));
2637	if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2638	DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2639	reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2640	return;
2641	}
2642
2643	if (data_count < 40) {
2644	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2645	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2646	return;
2647	}
2648
2649	/* offset to next quota record.
2650	* 4 bytes IVAL(pdata,0)
2651	* unused here...
2652	*/
2653
2654	/* sid len */
2655	sid_len = IVAL(pdata,4);
2656
2657	if (data_count < 40+sid_len) {
2658	DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2659	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2660	return;
2661	}
2662
2663	/* unknown 8 bytes in pdata
2664	* maybe its the change time in NTTIME
2665	*/
2666
2667	/* the used space 8 bytes (uint64_t)*/
2668	qt.usedspace = (uint64_t)IVAL(pdata,16);
2669	#ifdef LARGE_SMB_OFF_T
2670	qt.usedspace \|= (((uint64_t)IVAL(pdata,20)) << 32);
2671	#else /* LARGE_SMB_OFF_T */
2672	if ((IVAL(pdata,20) != 0)&&
2673	((qt.usedspace != 0xFFFFFFFF)\|\|
2674	(IVAL(pdata,20)!=0xFFFFFFFF))) {
2675	/* more than 32 bits? */
2676	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2677	return;
2678	}
2679	#endif /* LARGE_SMB_OFF_T */
2680
2681	/* the soft quotas 8 bytes (uint64_t)*/
2682	qt.softlim = (uint64_t)IVAL(pdata,24);
2683	#ifdef LARGE_SMB_OFF_T
2684	qt.softlim \|= (((uint64_t)IVAL(pdata,28)) << 32);
2685	#else /* LARGE_SMB_OFF_T */
2686	if ((IVAL(pdata,28) != 0)&&
2687	((qt.softlim != 0xFFFFFFFF)\|\|
2688	(IVAL(pdata,28)!=0xFFFFFFFF))) {
2689	/* more than 32 bits? */
2690	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2691	return;
2692	}
2693	#endif /* LARGE_SMB_OFF_T */
2694
2695	/* the hard quotas 8 bytes (uint64_t)*/
2696	qt.hardlim = (uint64_t)IVAL(pdata,32);
2697	#ifdef LARGE_SMB_OFF_T
2698	qt.hardlim \|= (((uint64_t)IVAL(pdata,36)) << 32);
2699	#else /* LARGE_SMB_OFF_T */
2700	if ((IVAL(pdata,36) != 0)&&
2701	((qt.hardlim != 0xFFFFFFFF)\|\|
2702	(IVAL(pdata,36)!=0xFFFFFFFF))) {
2703	/* more than 32 bits? */
2704	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2705	return;
2706	}
2707	#endif /* LARGE_SMB_OFF_T */
2708
2709	if (!sid_parse(pdata+40,sid_len,&sid)) {
2710	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2711	return;
2712	}
2713
2714	DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2715
2716	/* 44 unknown bytes left... */
2717
2718	if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2719	reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2720	return;
2721	}
2722
2723	send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2724	pdata, data_len);
2725	}
2726	#endif /* HAVE_SYS_QUOTAS */
2727
2728	static void handle_nttrans(connection_struct *conn,
2729	struct trans_state *state,
2730	struct smb_request *req)
2731	{
2732	if (get_Protocol() >= PROTOCOL_NT1) {
2733	req->flags2 \|= 0x40; /* IS_LONG_NAME */
2734	SSVAL(req->inbuf,smb_flg2,req->flags2);
2735	}
2736
2737
2738	SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2739
2740	/* Now we must call the relevant NT_TRANS function */
2741	switch(state->call) {
2742	case NT_TRANSACT_CREATE:
2743	{
2744	START_PROFILE(NT_transact_create);
2745	call_nt_transact_create(
2746	conn, req,
2747	&state->setup, state->setup_count,
2748	&state->param, state->total_param,
2749	&state->data, state->total_data,
2750	state->max_data_return);
2751	END_PROFILE(NT_transact_create);
2752	break;
2753	}
2754
2755	case NT_TRANSACT_IOCTL:
2756	{
2757	START_PROFILE(NT_transact_ioctl);
2758	call_nt_transact_ioctl(
2759	conn, req,
2760	&state->setup, state->setup_count,
2761	&state->param, state->total_param,
2762	&state->data, state->total_data,
2763	state->max_data_return);
2764	END_PROFILE(NT_transact_ioctl);
2765	break;
2766	}
2767
2768	case NT_TRANSACT_SET_SECURITY_DESC:
2769	{
2770	START_PROFILE(NT_transact_set_security_desc);
2771	call_nt_transact_set_security_desc(
2772	conn, req,
2773	&state->setup, state->setup_count,
2774	&state->param, state->total_param,
2775	&state->data, state->total_data,
2776	state->max_data_return);
2777	END_PROFILE(NT_transact_set_security_desc);
2778	break;
2779	}
2780
2781	case NT_TRANSACT_NOTIFY_CHANGE:
2782	{
2783	START_PROFILE(NT_transact_notify_change);
2784	call_nt_transact_notify_change(
2785	conn, req,
2786	&state->setup, state->setup_count,
2787	&state->param, state->total_param,
2788	&state->data, state->total_data,
2789	state->max_data_return,
2790	state->max_param_return);
2791	END_PROFILE(NT_transact_notify_change);
2792	break;
2793	}
2794
2795	case NT_TRANSACT_RENAME:
2796	{
2797	START_PROFILE(NT_transact_rename);
2798	call_nt_transact_rename(
2799	conn, req,
2800	&state->setup, state->setup_count,
2801	&state->param, state->total_param,
2802	&state->data, state->total_data,
2803	state->max_data_return);
2804	END_PROFILE(NT_transact_rename);
2805	break;
2806	}
2807
2808	case NT_TRANSACT_QUERY_SECURITY_DESC:
2809	{
2810	START_PROFILE(NT_transact_query_security_desc);
2811	call_nt_transact_query_security_desc(
2812	conn, req,
2813	&state->setup, state->setup_count,
2814	&state->param, state->total_param,
2815	&state->data, state->total_data,
2816	state->max_data_return);
2817	END_PROFILE(NT_transact_query_security_desc);
2818	break;
2819	}
2820
2821	#ifdef HAVE_SYS_QUOTAS
2822	case NT_TRANSACT_GET_USER_QUOTA:
2823	{
2824	START_PROFILE(NT_transact_get_user_quota);
2825	call_nt_transact_get_user_quota(
2826	conn, req,
2827	&state->setup, state->setup_count,
2828	&state->param, state->total_param,
2829	&state->data, state->total_data,
2830	state->max_data_return);
2831	END_PROFILE(NT_transact_get_user_quota);
2832	break;
2833	}
2834
2835	case NT_TRANSACT_SET_USER_QUOTA:
2836	{
2837	START_PROFILE(NT_transact_set_user_quota);
2838	call_nt_transact_set_user_quota(
2839	conn, req,
2840	&state->setup, state->setup_count,
2841	&state->param, state->total_param,
2842	&state->data, state->total_data,
2843	state->max_data_return);
2844	END_PROFILE(NT_transact_set_user_quota);
2845	break;
2846	}
2847	#endif /* HAVE_SYS_QUOTAS */
2848
2849	default:
2850	/* Error in request */
2851	DEBUG(0,("handle_nttrans: Unknown request %d in "
2852	"nttrans call\n", state->call));
2853	reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2854	return;
2855	}
2856	return;
2857	}
2858
2859	/****************************************************************************
2860	Reply to a SMBNTtrans.
2861	****************************************************************************/
2862
2863	void reply_nttrans(struct smb_request *req)
2864	{
2865	connection_struct *conn = req->conn;
2866	uint32_t pscnt;
2867	uint32_t psoff;
2868	uint32_t dscnt;
2869	uint32_t dsoff;
2870	uint16 function_code;
2871	NTSTATUS result;
2872	struct trans_state *state;
2873
2874	START_PROFILE(SMBnttrans);
2875
2876	if (req->wct < 19) {
2877	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2878	END_PROFILE(SMBnttrans);
2879	return;
2880	}
2881
2882	pscnt = IVAL(req->vwv+9, 1);
2883	psoff = IVAL(req->vwv+11, 1);
2884	dscnt = IVAL(req->vwv+13, 1);
2885	dsoff = IVAL(req->vwv+15, 1);
2886	function_code = SVAL(req->vwv+18, 0);
2887
2888	if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2889	reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2890	END_PROFILE(SMBnttrans);
2891	return;
2892	}
2893
2894	result = allow_new_trans(conn->pending_trans, req->mid);
2895	if (!NT_STATUS_IS_OK(result)) {
2896	DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2897	reply_nterror(req, result);
2898	END_PROFILE(SMBnttrans);
2899	return;
2900	}
2901
2902	if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2903	reply_nterror(req, NT_STATUS_NO_MEMORY);
2904	END_PROFILE(SMBnttrans);
2905	return;
2906	}
2907
2908	state->cmd = SMBnttrans;
2909
2910	state->mid = req->mid;
2911	state->vuid = req->vuid;
2912	state->total_data = IVAL(req->vwv+3, 1);
2913	state->data = NULL;
2914	state->total_param = IVAL(req->vwv+1, 1);
2915	state->param = NULL;
2916	state->max_data_return = IVAL(req->vwv+7, 1);
2917	state->max_param_return = IVAL(req->vwv+5, 1);
2918
2919	/* setup count is in words */
2920	state->setup_count = 2*CVAL(req->vwv+17, 1);
2921	state->setup = NULL;
2922	state->call = function_code;
2923
2924	DEBUG(10, ("num_setup=%u, "
2925	"param_total=%u, this_param=%u, max_param=%u, "
2926	"data_total=%u, this_data=%u, max_data=%u, "
2927	"param_offset=%u, data_offset=%u\n",
2928	(unsigned)state->setup_count,
2929	(unsigned)state->total_param, (unsigned)pscnt,
2930	(unsigned)state->max_param_return,
2931	(unsigned)state->total_data, (unsigned)dscnt,
2932	(unsigned)state->max_data_return,
2933	(unsigned)psoff, (unsigned)dsoff));
2934
2935	/*
2936	* All nttrans messages we handle have smb_wct == 19 +
2937	* state->setup_count. Ensure this is so as a sanity check.
2938	*/
2939
2940	if(req->wct != 19 + (state->setup_count/2)) {
2941	DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2942	req->wct, 19 + (state->setup_count/2)));
2943	goto bad_param;
2944	}
2945
2946	/* Don't allow more than 128mb for each value. */
2947	if ((state->total_data > (10241024128)) \|\|
2948	(state->total_param > (10241024128))) {
2949	reply_nterror(req, NT_STATUS_NO_MEMORY);
2950	END_PROFILE(SMBnttrans);
2951	return;
2952	}
2953
2954	if ((dscnt > state->total_data) \|\| (pscnt > state->total_param))
2955	goto bad_param;
2956
2957	if (state->total_data) {
2958
2959	if (trans_oob(state->total_data, 0, dscnt)
2960	\|\| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2961	goto bad_param;
2962	}
2963
2964	/* Can't use talloc here, the core routines do realloc on the
2965	* params and data. */
2966	if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2967	DEBUG(0,("reply_nttrans: data malloc fail for %u "
2968	"bytes !\n", (unsigned int)state->total_data));
2969	TALLOC_FREE(state);
2970	reply_nterror(req, NT_STATUS_NO_MEMORY);
2971	END_PROFILE(SMBnttrans);
2972	return;
2973	}
2974
2975	memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2976	}
2977
2978	if (state->total_param) {
2979
2980	if (trans_oob(state->total_param, 0, pscnt)
2981	\|\| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2982	goto bad_param;
2983	}
2984
2985	/* Can't use talloc here, the core routines do realloc on the
2986	* params and data. */
2987	if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2988	DEBUG(0,("reply_nttrans: param malloc fail for %u "
2989	"bytes !\n", (unsigned int)state->total_param));
2990	SAFE_FREE(state->data);
2991	TALLOC_FREE(state);
2992	reply_nterror(req, NT_STATUS_NO_MEMORY);
2993	END_PROFILE(SMBnttrans);
2994	return;
2995	}
2996
2997	memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2998	}
2999
3000	state->received_data = dscnt;
3001	state->received_param = pscnt;
3002
3003	if(state->setup_count > 0) {
3004	DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3005	state->setup_count));
3006
3007	/*
3008	* No overflow possible here, state->setup_count is an
3009	* unsigned int, being filled by a single byte from
3010	* CVAL(req->vwv+13, 0) above. The cast in the comparison
3011	* below is not necessary, it's here to clarify things. The
3012	* validity of req->vwv and req->wct has been checked in
3013	* init_smb_request already.
3014	*/
3015	if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3016	goto bad_param;
3017	}
3018
3019	state->setup = (uint16 *)TALLOC(state, state->setup_count);
3020	if (state->setup == NULL) {
3021	DEBUG(0,("reply_nttrans : Out of memory\n"));
3022	SAFE_FREE(state->data);
3023	SAFE_FREE(state->param);
3024	TALLOC_FREE(state);
3025	reply_nterror(req, NT_STATUS_NO_MEMORY);
3026	END_PROFILE(SMBnttrans);
3027	return;
3028	}
3029
3030	memcpy(state->setup, req->vwv+19, state->setup_count);
3031	dump_data(10, (uint8 *)state->setup, state->setup_count);
3032	}
3033
3034	if ((state->received_data == state->total_data) &&
3035	(state->received_param == state->total_param)) {
3036	handle_nttrans(conn, state, req);
3037	SAFE_FREE(state->param);
3038	SAFE_FREE(state->data);
3039	TALLOC_FREE(state);
3040	END_PROFILE(SMBnttrans);
3041	return;
3042	}
3043
3044	DLIST_ADD(conn->pending_trans, state);
3045
3046	/* We need to send an interim response then receive the rest
3047	of the parameter/data bytes */
3048	reply_outbuf(req, 0, 0);
3049	show_msg((char *)req->outbuf);
3050	END_PROFILE(SMBnttrans);
3051	return;
3052
3053	bad_param:
3054
3055	DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3056	SAFE_FREE(state->data);
3057	SAFE_FREE(state->param);
3058	TALLOC_FREE(state);
3059	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3060	END_PROFILE(SMBnttrans);
3061	return;
3062	}
3063
3064	/****************************************************************************
3065	Reply to a SMBnttranss
3066	****************************************************************************/
3067
3068	void reply_nttranss(struct smb_request *req)
3069	{
3070	connection_struct *conn = req->conn;
3071	uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3072	struct trans_state *state;
3073
3074	START_PROFILE(SMBnttranss);
3075
3076	show_msg((char *)req->inbuf);
3077
3078	/* Windows clients expect all replies to
3079	an NT transact secondary (SMBnttranss 0xA1)
3080	to have a command code of NT transact
3081	(SMBnttrans 0xA0). See bug #8989 for details. */
3082	req->cmd = SMBnttrans;
3083
3084	if (req->wct < 18) {
3085	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3086	END_PROFILE(SMBnttranss);
3087	return;
3088	}
3089
3090	for (state = conn->pending_trans; state != NULL;
3091	state = state->next) {
3092	if (state->mid == req->mid) {
3093	break;
3094	}
3095	}
3096
3097	if ((state == NULL) \|\| (state->cmd != SMBnttrans)) {
3098	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3099	END_PROFILE(SMBnttranss);
3100	return;
3101	}
3102
3103	/* Revise state->total_param and state->total_data in case they have
3104	changed downwards */
3105	if (IVAL(req->vwv+1, 1) < state->total_param) {
3106	state->total_param = IVAL(req->vwv+1, 1);
3107	}
3108	if (IVAL(req->vwv+3, 1) < state->total_data) {
3109	state->total_data = IVAL(req->vwv+3, 1);
3110	}
3111
3112	pcnt = IVAL(req->vwv+5, 1);
3113	poff = IVAL(req->vwv+7, 1);
3114	pdisp = IVAL(req->vwv+9, 1);
3115
3116	dcnt = IVAL(req->vwv+11, 1);
3117	doff = IVAL(req->vwv+13, 1);
3118	ddisp = IVAL(req->vwv+15, 1);
3119
3120	state->received_param += pcnt;
3121	state->received_data += dcnt;
3122
3123	if ((state->received_data > state->total_data) \|\|
3124	(state->received_param > state->total_param))
3125	goto bad_param;
3126
3127	if (pcnt) {
3128	if (trans_oob(state->total_param, pdisp, pcnt)
3129	\|\| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3130	goto bad_param;
3131	}
3132	memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3133	}
3134
3135	if (dcnt) {
3136	if (trans_oob(state->total_data, ddisp, dcnt)
3137	\|\| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3138	goto bad_param;
3139	}
3140	memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3141	}
3142
3143	if ((state->received_param < state->total_param) \|\|
3144	(state->received_data < state->total_data)) {
3145	END_PROFILE(SMBnttranss);
3146	return;
3147	}
3148
3149	handle_nttrans(conn, state, req);
3150
3151	DLIST_REMOVE(conn->pending_trans, state);
3152	SAFE_FREE(state->data);
3153	SAFE_FREE(state->param);
3154	TALLOC_FREE(state);
3155	END_PROFILE(SMBnttranss);
3156	return;
3157
3158	bad_param:
3159
3160	DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3161	DLIST_REMOVE(conn->pending_trans, state);
3162	SAFE_FREE(state->data);
3163	SAFE_FREE(state->param);
3164	TALLOC_FREE(state);
3165	reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3166	END_PROFILE(SMBnttranss);
3167	return;
3168	}

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source: branches/samba-3.5.x/source3/smbd/nttrans.c@ 999

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