Context Navigation

source: branches/samba-3.0/source/libsmb/clirap.c@ 362

Visit:

Last change on this file since 362 was 105, checked in by Paul Smedley, 18 years ago
Update source to 3.0.27a
File size: 27.0 KB

Line
1	/*
2	Unix SMB/CIFS implementation.
3	client RAP calls
4	Copyright (C) Andrew Tridgell 1994-1998
5	Copyright (C) Gerald (Jerry) Carter 2004
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 2 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, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20	*/
21
22	#include "includes.h"
23
24	/****************************************************************************
25	Call a remote api on an arbitrary pipe. takes param, data and setup buffers.
26	****************************************************************************/
27
28	BOOL cli_api_pipe(struct cli_state cli, const char pipe_name,
29	uint16 *setup, uint32 setup_count, uint32 max_setup_count,
30	char *params, uint32 param_count, uint32 max_param_count,
31	char *data, uint32 data_count, uint32 max_data_count,
32	char *rparam, uint32 rparam_count,
33	char *rdata, uint32 rdata_count)
34	{
35	cli_send_trans(cli, SMBtrans,
36	pipe_name,
37	0,0, /* fid, flags */
38	setup, setup_count, max_setup_count,
39	params, param_count, max_param_count,
40	data, data_count, max_data_count);
41
42	return (cli_receive_trans(cli, SMBtrans,
43	rparam, (unsigned int *)rparam_count,
44	rdata, (unsigned int *)rdata_count));
45	}
46
47	/****************************************************************************
48	Call a remote api
49	****************************************************************************/
50
51	BOOL cli_api(struct cli_state *cli,
52	char *param, int prcnt, int mprcnt,
53	char *data, int drcnt, int mdrcnt,
54	char *rparam, unsigned int rprcnt,
55	char *rdata, unsigned int rdrcnt)
56	{
57	cli_send_trans(cli,SMBtrans,
58	PIPE_LANMAN, /* Name */
59	0,0, /* fid, flags */
60	NULL,0,0, /* Setup, length, max */
61	param, prcnt, mprcnt, /* Params, length, max */
62	data, drcnt, mdrcnt /* Data, length, max */
63	);
64
65	return (cli_receive_trans(cli,SMBtrans,
66	rparam, rprcnt,
67	rdata, rdrcnt));
68	}
69
70	/****************************************************************************
71	Perform a NetWkstaUserLogon.
72	****************************************************************************/
73
74	BOOL cli_NetWkstaUserLogon(struct cli_state cli,char user, char *workstation)
75	{
76	char *rparam = NULL;
77	char *rdata = NULL;
78	char *p;
79	unsigned int rdrcnt,rprcnt;
80	pstring param;
81
82	memset(param, 0, sizeof(param));
83
84	/* send a SMBtrans command with api NetWkstaUserLogon */
85	p = param;
86	SSVAL(p,0,132); /* api number */
87	p += 2;
88	pstrcpy_base(p,"OOWb54WrLh",param);
89	p = skip_string(param,sizeof(param),p);
90	pstrcpy_base(p,"WB21BWDWWDDDDDDDzzzD",param);
91	p = skip_string(param,sizeof(param),p);
92	SSVAL(p,0,1);
93	p += 2;
94	pstrcpy_base(p,user,param);
95	strupper_m(p);
96	p += 21;
97	p++;
98	p += 15;
99	p++;
100	pstrcpy_base(p, workstation, param);
101	strupper_m(p);
102	p += 16;
103	SSVAL(p, 0, CLI_BUFFER_SIZE);
104	p += 2;
105	SSVAL(p, 0, CLI_BUFFER_SIZE);
106	p += 2;
107
108	if (cli_api(cli,
109	param, PTR_DIFF(p,param),1024, /* param, length, max */
110	NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
111	&rparam, &rprcnt, /* return params, return size */
112	&rdata, &rdrcnt /* return data, return size */
113	)) {
114	cli->rap_error = rparam? SVAL(rparam,0) : -1;
115	p = rdata;
116
117	if (cli->rap_error == 0) {
118	DEBUG(4,("NetWkstaUserLogon success\n"));
119	cli->privileges = SVAL(p, 24);
120	/* The cli->eff_name field used to be set here
121	but it wasn't used anywhere else. */
122	} else {
123	DEBUG(1,("NetwkstaUserLogon gave error %d\n", cli->rap_error));
124	}
125	}
126
127	SAFE_FREE(rparam);
128	SAFE_FREE(rdata);
129	return (cli->rap_error == 0);
130	}
131
132	/****************************************************************************
133	Call a NetShareEnum - try and browse available connections on a host.
134	****************************************************************************/
135
136	int cli_RNetShareEnum(struct cli_state cli, void (fn)(const char , uint32, const char , void ), void state)
137	{
138	char *rparam = NULL;
139	char *rdata = NULL;
140	char *p;
141	unsigned int rdrcnt,rprcnt;
142	pstring param;
143	int count = -1;
144
145	/* now send a SMBtrans command with api RNetShareEnum */
146	p = param;
147	SSVAL(p,0,0); /* api number */
148	p += 2;
149	pstrcpy_base(p,"WrLeh",param);
150	p = skip_string(param,sizeof(param),p);
151	pstrcpy_base(p,"B13BWz",param);
152	p = skip_string(param,sizeof(param),p);
153	SSVAL(p,0,1);
154	/*
155	* Win2k needs a smaller buffer than 0xFFFF here -
156	* it returns "out of server memory" with 0xFFFF !!! JRA.
157	*/
158	SSVAL(p,2,0xFFE0);
159	p += 4;
160
161	if (cli_api(cli,
162	param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
163	NULL, 0, 0xFFE0, /* data, length, maxlen - Win2k needs a small buffer here too ! */
164	&rparam, &rprcnt, /* return params, length */
165	&rdata, &rdrcnt)) /* return data, length */
166	{
167	int res = rparam? SVAL(rparam,0) : -1;
168
169	if (res == 0 \|\| res == ERRmoredata) {
170	int converter=SVAL(rparam,2);
171	int i;
172
173	count=SVAL(rparam,4);
174	p = rdata;
175
176	for (i=0;i<count;i++,p+=20) {
177	char *sname = p;
178	int type = SVAL(p,14);
179	int comment_offset = IVAL(p,16) & 0xFFFF;
180	const char *cmnt = comment_offset?(rdata+comment_offset-converter):"";
181	pstring s1, s2;
182
183	pull_ascii_pstring(s1, sname);
184	pull_ascii_pstring(s2, cmnt);
185
186	fn(s1, type, s2, state);
187	}
188	} else {
189	DEBUG(4,("NetShareEnum res=%d\n", res));
190	}
191	} else {
192	DEBUG(4,("NetShareEnum failed\n"));
193	}
194
195	SAFE_FREE(rparam);
196	SAFE_FREE(rdata);
197
198	return count;
199	}
200
201	/****************************************************************************
202	Call a NetServerEnum for the specified workgroup and servertype mask. This
203	function then calls the specified callback function for each name returned.
204
205	The callback function takes 4 arguments: the machine name, the server type,
206	the comment and a state pointer.
207	****************************************************************************/
208
209	BOOL cli_NetServerEnum(struct cli_state cli, char workgroup, uint32 stype,
210	void (fn)(const char , uint32, const char , void ),
211	void *state)
212	{
213	char *rparam = NULL;
214	char *rdata = NULL;
215	unsigned int rdrcnt,rprcnt;
216	char *p;
217	pstring param;
218	int uLevel = 1;
219	int count = -1;
220	size_t len;
221
222	errno = 0; /* reset */
223
224	/* send a SMBtrans command with api NetServerEnum */
225	p = param;
226	SSVAL(p,0,0x68); /* api number */
227	p += 2;
228	pstrcpy_base(p,"WrLehDz", param);
229	p = skip_string(param,sizeof(param),p);
230
231	pstrcpy_base(p,"B16BBDz", param);
232
233	p = skip_string(param,sizeof(param),p);
234	SSVAL(p,0,uLevel);
235	SSVAL(p,2,CLI_BUFFER_SIZE);
236	p += 4;
237	SIVAL(p,0,stype);
238	p += 4;
239
240	len = push_ascii(p, workgroup, sizeof(pstring)-PTR_DIFF(p,param)-1, STR_TERMINATE\|STR_UPPER);
241	if (len == (size_t)-1) {
242	return false;
243	}
244	p += len;
245
246	if (cli_api(cli,
247	param, PTR_DIFF(p,param), 8, /* params, length, max */
248	NULL, 0, CLI_BUFFER_SIZE, /* data, length, max */
249	&rparam, &rprcnt, /* return params, return size */
250	&rdata, &rdrcnt /* return data, return size */
251	)) {
252	int res = rparam? SVAL(rparam,0) : -1;
253
254	if (res == 0 \|\| res == ERRmoredata \|\|
255	(res != -1 && cli_errno(cli) == 0)) {
256	int i;
257	int converter=SVAL(rparam,2);
258
259	count=SVAL(rparam,4);
260	p = rdata;
261
262	for (i = 0;i < count;i++, p += 26) {
263	char *sname = p;
264	int comment_offset = (IVAL(p,22) & 0xFFFF)-converter;
265	const char *cmnt = comment_offset?(rdata+comment_offset):"";
266	pstring s1, s2;
267
268	if (comment_offset < 0 \|\| comment_offset > (int)rdrcnt) continue;
269
270	stype = IVAL(p,18) & ~SV_TYPE_LOCAL_LIST_ONLY;
271
272	pull_ascii_pstring(s1, sname);
273	pull_ascii_pstring(s2, cmnt);
274	fn(s1, stype, s2, state);
275	}
276	}
277	}
278
279	SAFE_FREE(rparam);
280	SAFE_FREE(rdata);
281
282	if (count < 0) {
283	errno = cli_errno(cli);
284	} else {
285	if (!count) {
286	/* this is a very special case, when the domain master for the
287	work group isn't part of the work group itself, there is something
288	wild going on */
289	errno = ENOENT;
290	}
291	}
292
293	return(count > 0);
294	}
295
296	/****************************************************************************
297	Send a SamOEMChangePassword command.
298	****************************************************************************/
299
300	BOOL cli_oem_change_password(struct cli_state cli, const char user, const char *new_password,
301	const char *old_password)
302	{
303	pstring param;
304	unsigned char data[532];
305	char *p = param;
306	unsigned char old_pw_hash[16];
307	unsigned char new_pw_hash[16];
308	unsigned int data_len;
309	unsigned int param_len = 0;
310	char *rparam = NULL;
311	char *rdata = NULL;
312	unsigned int rprcnt, rdrcnt;
313
314	if (strlen(user) >= sizeof(fstring)-1) {
315	DEBUG(0,("cli_oem_change_password: user name %s is too long.\n", user));
316	return False;
317	}
318
319	SSVAL(p,0,214); /* SamOEMChangePassword command. */
320	p += 2;
321	pstrcpy_base(p, "zsT", param);
322	p = skip_string(param,sizeof(param),p);
323	pstrcpy_base(p, "B516B16", param);
324	p = skip_string(param,sizeof(param),p);
325	pstrcpy_base(p,user, param);
326	p = skip_string(param,sizeof(param),p);
327	SSVAL(p,0,532);
328	p += 2;
329
330	param_len = PTR_DIFF(p,param);
331
332	/*
333	* Get the Lanman hash of the old password, we
334	* use this as the key to make_oem_passwd_hash().
335	*/
336	E_deshash(old_password, old_pw_hash);
337
338	encode_pw_buffer(data, new_password, STR_ASCII);
339
340	#ifdef DEBUG_PASSWORD
341	DEBUG(100,("make_oem_passwd_hash\n"));
342	dump_data(100, (char *)data, 516);
343	#endif
344	SamOEMhash( (unsigned char )data, (unsigned char )old_pw_hash, 516);
345
346	/*
347	* Now place the old password hash in the data.
348	*/
349	E_deshash(new_password, new_pw_hash);
350
351	E_old_pw_hash( new_pw_hash, old_pw_hash, (uchar *)&data[516]);
352
353	data_len = 532;
354
355	if (cli_send_trans(cli,SMBtrans,
356	PIPE_LANMAN, /* name */
357	0,0, /* fid, flags */
358	NULL,0,0, /* setup, length, max */
359	param,param_len,2, /* param, length, max */
360	(char )data,data_len,0 / data, length, max */
361	) == False) {
362	DEBUG(0,("cli_oem_change_password: Failed to send password change for user %s\n",
363	user ));
364	return False;
365	}
366
367	if (!cli_receive_trans(cli,SMBtrans,
368	&rparam, &rprcnt,
369	&rdata, &rdrcnt)) {
370	DEBUG(0,("cli_oem_change_password: Failed to recieve reply to password change for user %s\n",
371	user ));
372	return False;
373	}
374
375	if (rparam) {
376	cli->rap_error = SVAL(rparam,0);
377	}
378
379	SAFE_FREE(rparam);
380	SAFE_FREE(rdata);
381
382	return (cli->rap_error == 0);
383	}
384
385	/****************************************************************************
386	Send a qpathinfo call.
387	****************************************************************************/
388
389	BOOL cli_qpathinfo(struct cli_state cli, const char fname,
390	time_t *change_time,
391	time_t *access_time,
392	time_t *write_time,
393	SMB_OFF_T size, uint16 mode)
394	{
395	unsigned int data_len = 0;
396	unsigned int param_len = 0;
397	unsigned int rparam_len, rdata_len;
398	uint16 setup = TRANSACT2_QPATHINFO;
399	pstring param;
400	char rparam=NULL, rdata=NULL;
401	int count=8;
402	BOOL ret;
403	time_t (date_fn)(struct cli_state , void *);
404	char *p;
405
406	p = param;
407	memset(p, 0, 6);
408	SSVAL(p, 0, SMB_INFO_STANDARD);
409	p += 6;
410	p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
411
412	param_len = PTR_DIFF(p, param);
413
414	do {
415	ret = (cli_send_trans(cli, SMBtrans2,
416	NULL, /* Name */
417	-1, 0, /* fid, flags */
418	&setup, 1, 0, /* setup, length, max */
419	param, param_len, 10, /* param, length, max */
420	NULL, data_len, cli->max_xmit /* data, length, max */
421	) &&
422	cli_receive_trans(cli, SMBtrans2,
423	&rparam, &rparam_len,
424	&rdata, &rdata_len));
425	if (!cli_is_dos_error(cli)) break;
426	if (!ret) {
427	/* we need to work around a Win95 bug - sometimes
428	it gives ERRSRV/ERRerror temprarily */
429	uint8 eclass;
430	uint32 ecode;
431	cli_dos_error(cli, &eclass, &ecode);
432	if (eclass != ERRSRV \|\| ecode != ERRerror) break;
433	smb_msleep(100);
434	}
435	} while (count-- && ret==False);
436
437	if (!ret \|\| !rdata \|\| rdata_len < 22) {
438	return False;
439	}
440
441	if (cli->win95) {
442	date_fn = cli_make_unix_date;
443	} else {
444	date_fn = cli_make_unix_date2;
445	}
446
447	if (change_time) {
448	*change_time = date_fn(cli, rdata+0);
449	}
450	if (access_time) {
451	*access_time = date_fn(cli, rdata+4);
452	}
453	if (write_time) {
454	*write_time = date_fn(cli, rdata+8);
455	}
456	if (size) {
457	*size = IVAL(rdata, 12);
458	}
459	if (mode) {
460	*mode = SVAL(rdata,l1_attrFile);
461	}
462
463	SAFE_FREE(rdata);
464	SAFE_FREE(rparam);
465	return True;
466	}
467
468	/****************************************************************************
469	Send a setpathinfo call.
470	****************************************************************************/
471
472	BOOL cli_setpathinfo(struct cli_state cli, const char fname,
473	time_t create_time,
474	time_t access_time,
475	time_t write_time,
476	time_t change_time,
477	uint16 mode)
478	{
479	unsigned int data_len = 0;
480	unsigned int param_len = 0;
481	unsigned int rparam_len, rdata_len;
482	uint16 setup = TRANSACT2_SETPATHINFO;
483	pstring param;
484	pstring data;
485	char rparam=NULL, rdata=NULL;
486	int count=8;
487	BOOL ret;
488	char *p;
489
490	memset(param, 0, sizeof(param));
491	memset(data, 0, sizeof(data));
492
493	p = param;
494
495	/* Add the information level */
496	SSVAL(p, 0, SMB_FILE_BASIC_INFORMATION);
497
498	/* Skip reserved */
499	p += 6;
500
501	/* Add the file name */
502	p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
503
504	param_len = PTR_DIFF(p, param);
505
506	p = data;
507
508	/*
509	* Add the create, last access, modification, and status change times
510	*/
511
512	put_long_date(p, create_time);
513	p += 8;
514
515	put_long_date(p, access_time);
516	p += 8;
517
518	put_long_date(p, write_time);
519	p += 8;
520
521	put_long_date(p, change_time);
522	p += 8;
523
524	/* Add attributes */
525	SIVAL(p, 0, mode);
526	p += 4;
527
528	/* Add padding */
529	SIVAL(p, 0, 0);
530	p += 4;
531
532	data_len = PTR_DIFF(p, data);
533
534	do {
535	ret = (cli_send_trans(cli, SMBtrans2,
536	NULL, /* Name */
537	-1, 0, /* fid, flags */
538	&setup, 1, 0, /* setup, length, max */
539	param, param_len, 10, /* param, length, max */
540	data, data_len, cli->max_xmit /* data, length, max */
541	) &&
542	cli_receive_trans(cli, SMBtrans2,
543	&rparam, &rparam_len,
544	&rdata, &rdata_len));
545	if (!cli_is_dos_error(cli)) break;
546	if (!ret) {
547	/* we need to work around a Win95 bug - sometimes
548	it gives ERRSRV/ERRerror temprarily */
549	uint8 eclass;
550	uint32 ecode;
551	cli_dos_error(cli, &eclass, &ecode);
552	if (eclass != ERRSRV \|\| ecode != ERRerror) break;
553	smb_msleep(100);
554	}
555	} while (count-- && ret==False);
556
557	if (!ret) {
558	return False;
559	}
560
561	SAFE_FREE(rdata);
562	SAFE_FREE(rparam);
563	return True;
564	}
565
566	/****************************************************************************
567	Send a qpathinfo call with the SMB_QUERY_FILE_ALL_INFO info level.
568	****************************************************************************/
569
570	BOOL cli_qpathinfo2(struct cli_state cli, const char fname,
571	struct timespec *create_time,
572	struct timespec *access_time,
573	struct timespec *write_time,
574	struct timespec *change_time,
575	SMB_OFF_T size, uint16 mode,
576	SMB_INO_T *ino)
577	{
578	unsigned int data_len = 0;
579	unsigned int param_len = 0;
580	uint16 setup = TRANSACT2_QPATHINFO;
581	pstring param;
582	char rparam=NULL, rdata=NULL;
583	char *p;
584
585	p = param;
586	memset(p, 0, 6);
587	SSVAL(p, 0, SMB_QUERY_FILE_ALL_INFO);
588	p += 6;
589	p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
590
591	param_len = PTR_DIFF(p, param);
592
593	if (!cli_send_trans(cli, SMBtrans2,
594	NULL, /* name */
595	-1, 0, /* fid, flags */
596	&setup, 1, 0, /* setup, length, max */
597	param, param_len, 10, /* param, length, max */
598	NULL, data_len, cli->max_xmit /* data, length, max */
599	)) {
600	return False;
601	}
602
603	if (!cli_receive_trans(cli, SMBtrans2,
604	&rparam, &param_len,
605	&rdata, &data_len)) {
606	return False;
607	}
608
609	if (!rdata \|\| data_len < 22) {
610	return False;
611	}
612
613	if (create_time) {
614	*create_time = interpret_long_date(rdata+0);
615	}
616	if (access_time) {
617	*access_time = interpret_long_date(rdata+8);
618	}
619	if (write_time) {
620	*write_time = interpret_long_date(rdata+16);
621	}
622	if (change_time) {
623	*change_time = interpret_long_date(rdata+24);
624	}
625	if (mode) {
626	*mode = SVAL(rdata, 32);
627	}
628	if (size) {
629	*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
630	}
631	if (ino) {
632	*ino = IVAL(rdata, 64);
633	}
634
635	SAFE_FREE(rdata);
636	SAFE_FREE(rparam);
637	return True;
638	}
639
640	/****************************************************************************
641	Send a qfileinfo QUERY_FILE_NAME_INFO call.
642	****************************************************************************/
643
644	BOOL cli_qfilename(struct cli_state *cli, int fnum,
645	pstring name)
646	{
647	unsigned int data_len = 0;
648	unsigned int param_len = 0;
649	uint16 setup = TRANSACT2_QFILEINFO;
650	pstring param;
651	char rparam=NULL, rdata=NULL;
652
653	param_len = 4;
654	memset(param, 0, param_len);
655	SSVAL(param, 0, fnum);
656	SSVAL(param, 2, SMB_QUERY_FILE_NAME_INFO);
657
658	if (!cli_send_trans(cli, SMBtrans2,
659	NULL, /* name */
660	-1, 0, /* fid, flags */
661	&setup, 1, 0, /* setup, length, max */
662	param, param_len, 2, /* param, length, max */
663	NULL, data_len, cli->max_xmit /* data, length, max */
664	)) {
665	return False;
666	}
667
668	if (!cli_receive_trans(cli, SMBtrans2,
669	&rparam, &param_len,
670	&rdata, &data_len)) {
671	return False;
672	}
673
674	if (!rdata \|\| data_len < 4) {
675	return False;
676	}
677
678	clistr_pull(cli, name, rdata+4, sizeof(pstring), IVAL(rdata, 0), STR_UNICODE);
679
680	return True;
681	}
682
683	/****************************************************************************
684	Send a qfileinfo call.
685	****************************************************************************/
686
687	BOOL cli_qfileinfo(struct cli_state *cli, int fnum,
688	uint16 mode, SMB_OFF_T size,
689	struct timespec *create_time,
690	struct timespec *access_time,
691	struct timespec *write_time,
692	struct timespec *change_time,
693	SMB_INO_T *ino)
694	{
695	unsigned int data_len = 0;
696	unsigned int param_len = 0;
697	uint16 setup = TRANSACT2_QFILEINFO;
698	pstring param;
699	char rparam=NULL, rdata=NULL;
700
701	/* if its a win95 server then fail this - win95 totally screws it
702	up */
703	if (cli->win95) return False;
704
705	param_len = 4;
706
707	memset(param, 0, param_len);
708	SSVAL(param, 0, fnum);
709	SSVAL(param, 2, SMB_QUERY_FILE_ALL_INFO);
710
711	if (!cli_send_trans(cli, SMBtrans2,
712	NULL, /* name */
713	-1, 0, /* fid, flags */
714	&setup, 1, 0, /* setup, length, max */
715	param, param_len, 2, /* param, length, max */
716	NULL, data_len, cli->max_xmit /* data, length, max */
717	)) {
718	return False;
719	}
720
721	if (!cli_receive_trans(cli, SMBtrans2,
722	&rparam, &param_len,
723	&rdata, &data_len)) {
724	return False;
725	}
726
727	if (!rdata \|\| data_len < 68) {
728	return False;
729	}
730
731	if (create_time) {
732	*create_time = interpret_long_date(rdata+0);
733	}
734	if (access_time) {
735	*access_time = interpret_long_date(rdata+8);
736	}
737	if (write_time) {
738	*write_time = interpret_long_date(rdata+16);
739	}
740	if (change_time) {
741	*change_time = interpret_long_date(rdata+24);
742	}
743	if (mode) {
744	*mode = SVAL(rdata, 32);
745	}
746	if (size) {
747	*size = IVAL2_TO_SMB_BIG_UINT(rdata,48);
748	}
749	if (ino) {
750	*ino = IVAL(rdata, 64);
751	}
752
753	SAFE_FREE(rdata);
754	SAFE_FREE(rparam);
755	return True;
756	}
757
758	/****************************************************************************
759	Send a qpathinfo BASIC_INFO call.
760	****************************************************************************/
761
762	BOOL cli_qpathinfo_basic( struct cli_state cli, const char name,
763	SMB_STRUCT_STAT sbuf, uint32 attributes )
764	{
765	unsigned int param_len = 0;
766	unsigned int data_len = 0;
767	uint16 setup = TRANSACT2_QPATHINFO;
768	char param[sizeof(pstring)+6];
769	char rparam=NULL, rdata=NULL;
770	char *p;
771	pstring path;
772	int len;
773
774	pstrcpy( path, name );
775	/* cleanup */
776
777	len = strlen( path );
778	if ( path[len-1] == '\\' \|\| path[len-1] == '/')
779	path[len-1] = '\0';
780
781	p = param;
782	memset(p, 0, 6);
783	SSVAL(p, 0, SMB_QUERY_FILE_BASIC_INFO);
784	p += 6;
785	p += clistr_push(cli, p, path, sizeof(pstring)-6, STR_TERMINATE);
786	param_len = PTR_DIFF(p, param);
787
788	if (!cli_send_trans(cli, SMBtrans2,
789	NULL, /* name */
790	-1, 0, /* fid, flags */
791	&setup, 1, 0, /* setup, length, max */
792	param, param_len, 2, /* param, length, max */
793	NULL, 0, cli->max_xmit /* data, length, max */
794	)) {
795	return False;
796	}
797
798	if (!cli_receive_trans(cli, SMBtrans2,
799	&rparam, &param_len,
800	&rdata, &data_len)) {
801	return False;
802	}
803
804	if (data_len < 36) {
805	SAFE_FREE(rdata);
806	SAFE_FREE(rparam);
807	return False;
808	}
809
810	set_atimespec(sbuf, interpret_long_date( rdata+8 )); /* Access time. */
811	set_mtimespec(sbuf, interpret_long_date( rdata+16 )); /* Write time. */
812	set_ctimespec(sbuf, interpret_long_date( rdata+24 )); /* Change time. */
813
814	*attributes = IVAL( rdata, 32 );
815
816	SAFE_FREE(rparam);
817	SAFE_FREE(rdata);
818
819	return True;
820	}
821
822	/****************************************************************************
823	Send a qfileinfo call.
824	****************************************************************************/
825
826	BOOL cli_qfileinfo_test(struct cli_state cli, int fnum, int level, char poutdata, uint32 poutlen)
827	{
828	unsigned int data_len = 0;
829	unsigned int param_len = 0;
830	uint16 setup = TRANSACT2_QFILEINFO;
831	pstring param;
832	char rparam=NULL, rdata=NULL;
833
834	*poutdata = NULL;
835	*poutlen = 0;
836
837	/* if its a win95 server then fail this - win95 totally screws it
838	up */
839	if (cli->win95)
840	return False;
841
842	param_len = 4;
843
844	memset(param, 0, param_len);
845	SSVAL(param, 0, fnum);
846	SSVAL(param, 2, level);
847
848	if (!cli_send_trans(cli, SMBtrans2,
849	NULL, /* name */
850	-1, 0, /* fid, flags */
851	&setup, 1, 0, /* setup, length, max */
852	param, param_len, 2, /* param, length, max */
853	NULL, data_len, cli->max_xmit /* data, length, max */
854	)) {
855	return False;
856	}
857
858	if (!cli_receive_trans(cli, SMBtrans2,
859	&rparam, &param_len,
860	&rdata, &data_len)) {
861	return False;
862	}
863
864	poutdata = (char )memdup(rdata, data_len);
865	if (!*poutdata) {
866	SAFE_FREE(rdata);
867	SAFE_FREE(rparam);
868	return False;
869	}
870
871	*poutlen = data_len;
872
873	SAFE_FREE(rdata);
874	SAFE_FREE(rparam);
875	return True;
876	}
877
878	/****************************************************************************
879	Send a qpathinfo SMB_QUERY_FILE_ALT_NAME_INFO call.
880	****************************************************************************/
881
882	NTSTATUS cli_qpathinfo_alt_name(struct cli_state cli, const char fname, fstring alt_name)
883	{
884	unsigned int data_len = 0;
885	unsigned int param_len = 0;
886	uint16 setup = TRANSACT2_QPATHINFO;
887	pstring param;
888	char rparam=NULL, rdata=NULL;
889	int count=8;
890	char *p;
891	BOOL ret;
892	unsigned int len;
893
894	p = param;
895	memset(p, 0, 6);
896	SSVAL(p, 0, SMB_QUERY_FILE_ALT_NAME_INFO);
897	p += 6;
898	p += clistr_push(cli, p, fname, sizeof(pstring)-6, STR_TERMINATE);
899
900	param_len = PTR_DIFF(p, param);
901
902	do {
903	ret = (cli_send_trans(cli, SMBtrans2,
904	NULL, /* Name */
905	-1, 0, /* fid, flags */
906	&setup, 1, 0, /* setup, length, max */
907	param, param_len, 10, /* param, length, max */
908	NULL, data_len, cli->max_xmit /* data, length, max */
909	) &&
910	cli_receive_trans(cli, SMBtrans2,
911	&rparam, &param_len,
912	&rdata, &data_len));
913	if (!ret && cli_is_dos_error(cli)) {
914	/* we need to work around a Win95 bug - sometimes
915	it gives ERRSRV/ERRerror temprarily */
916	uint8 eclass;
917	uint32 ecode;
918	cli_dos_error(cli, &eclass, &ecode);
919	if (eclass != ERRSRV \|\| ecode != ERRerror) break;
920	smb_msleep(100);
921	}
922	} while (count-- && ret==False);
923
924	if (!ret \|\| !rdata \|\| data_len < 4) {
925	return NT_STATUS_UNSUCCESSFUL;
926	}
927
928	len = IVAL(rdata, 0);
929
930	if (len > data_len - 4) {
931	return NT_STATUS_INVALID_NETWORK_RESPONSE;
932	}
933
934	clistr_pull(cli, alt_name, rdata+4, sizeof(fstring), len, STR_UNICODE);
935
936	SAFE_FREE(rdata);
937	SAFE_FREE(rparam);
938
939	return NT_STATUS_OK;
940	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: