xref: /freebsd/sys/fs/smbfs/smbfs_smb.c (revision 282a3889ebf826db9839be296ff1dd903f6d6d6e)
1 /*-
2  * Copyright (c) 2000-2001 Boris Popov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #include <sys/proc.h>
39 #include <sys/lock.h>
40 #include <sys/vnode.h>
41 #include <sys/mbuf.h>
42 #include <sys/mount.h>
43 
44 #ifdef USE_MD5_HASH
45 #include <sys/md5.h>
46 #endif
47 
48 #include <netsmb/smb.h>
49 #include <netsmb/smb_subr.h>
50 #include <netsmb/smb_rq.h>
51 #include <netsmb/smb_conn.h>
52 
53 #include <fs/smbfs/smbfs.h>
54 #include <fs/smbfs/smbfs_node.h>
55 #include <fs/smbfs/smbfs_subr.h>
56 
57 /*
58  * Lack of inode numbers leads us to the problem of generating them.
59  * Partially this problem can be solved by having a dir/file cache
60  * with inode numbers generated from the incremented by one counter.
61  * However this way will require too much kernel memory, gives all
62  * sorts of locking and consistency problems, not to mentinon counter overflows.
63  * So, I'm decided to use a hash function to generate pseudo random (and unique)
64  * inode numbers.
65  */
66 static long
67 smbfs_getino(struct smbnode *dnp, const char *name, int nmlen)
68 {
69 #ifdef USE_MD5_HASH
70 	MD5_CTX md5;
71 	u_int32_t state[4];
72 	long ino;
73 	int i;
74 
75 	MD5Init(&md5);
76 	MD5Update(&md5, name, nmlen);
77 	MD5Final((u_char *)state, &md5);
78 	for (i = 0, ino = 0; i < 4; i++)
79 		ino += state[i];
80 	return dnp->n_ino + ino;
81 #endif
82 	u_int32_t ino;
83 
84 	ino = dnp->n_ino + smbfs_hash(name, nmlen);
85 	if (ino <= 2)
86 		ino += 3;
87 	return ino;
88 }
89 
90 static int
91 smbfs_smb_lockandx(struct smbnode *np, int op, u_int32_t pid, off_t start, off_t end,
92 	struct smb_cred *scred)
93 {
94 	struct smb_share *ssp = np->n_mount->sm_share;
95 	struct smb_rq rq, *rqp = &rq;
96 	struct mbchain *mbp;
97 	u_char ltype = 0;
98 	int error;
99 
100 	if (op == SMB_LOCK_SHARED)
101 		ltype |= SMB_LOCKING_ANDX_SHARED_LOCK;
102 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_LOCKING_ANDX, scred);
103 	if (error)
104 		return error;
105 	smb_rq_getrequest(rqp, &mbp);
106 	smb_rq_wstart(rqp);
107 	mb_put_uint8(mbp, 0xff);	/* secondary command */
108 	mb_put_uint8(mbp, 0);		/* MBZ */
109 	mb_put_uint16le(mbp, 0);
110 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
111 	mb_put_uint8(mbp, ltype);	/* locktype */
112 	mb_put_uint8(mbp, 0);		/* oplocklevel - 0 seems is NO_OPLOCK */
113 	mb_put_uint32le(mbp, 0);	/* timeout - break immediately */
114 	mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 1 : 0);
115 	mb_put_uint16le(mbp, op == SMB_LOCK_RELEASE ? 0 : 1);
116 	smb_rq_wend(rqp);
117 	smb_rq_bstart(rqp);
118 	mb_put_uint16le(mbp, pid);
119 	mb_put_uint32le(mbp, start);
120 	mb_put_uint32le(mbp, end - start);
121 	smb_rq_bend(rqp);
122 	error = smb_rq_simple(rqp);
123 	smb_rq_done(rqp);
124 	return error;
125 }
126 
127 int
128 smbfs_smb_lock(struct smbnode *np, int op, caddr_t id,
129 	off_t start, off_t end,	struct smb_cred *scred)
130 {
131 	struct smb_share *ssp = np->n_mount->sm_share;
132 
133 	if (SMB_DIALECT(SSTOVC(ssp)) < SMB_DIALECT_LANMAN1_0)
134 		/*
135 		 * TODO: use LOCK_BYTE_RANGE here.
136 		 */
137 		return EINVAL;
138 	else
139 		return smbfs_smb_lockandx(np, op, (uintptr_t)id, start, end, scred);
140 }
141 
142 static int
143 smbfs_smb_qpathinfo(struct smbnode *np, struct smbfattr *fap,
144 		    struct smb_cred *scred, short infolevel)
145 {
146 	struct smb_share *ssp = np->n_mount->sm_share;
147 	struct smb_vc *vcp = SSTOVC(ssp);
148 	struct smb_t2rq *t2p;
149 	int error, svtz, timesok = 1;
150 	struct mbchain *mbp;
151 	struct mdchain *mdp;
152 	u_int16_t date, time, wattr;
153 	int64_t lint;
154 	u_int32_t size, dattr;
155 
156 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_QUERY_PATH_INFORMATION,
157 			     scred, &t2p);
158 	if (error)
159 		return error;
160 	mbp = &t2p->t2_tparam;
161 	mb_init(mbp);
162 	if (!infolevel) {
163 		if (SMB_DIALECT(vcp) < SMB_DIALECT_NTLM0_12)
164 			infolevel = SMB_QUERY_FILE_STANDARD;
165 		else
166 			infolevel = SMB_QUERY_FILE_BASIC_INFO;
167 	}
168 	mb_put_uint16le(mbp, infolevel);
169 	mb_put_uint32le(mbp, 0);
170 	/* mb_put_uint8(mbp, SMB_DT_ASCII); specs are wrong */
171 	error = smbfs_fullpath(mbp, vcp, np, NULL, 0);
172 	if (error) {
173 		smb_t2_done(t2p);
174 		return error;
175 	}
176 	t2p->t2_maxpcount = 2;
177 	t2p->t2_maxdcount = vcp->vc_txmax;
178 	error = smb_t2_request(t2p);
179 	if (error) {
180 		smb_t2_done(t2p);
181 		if (infolevel == SMB_QUERY_FILE_STANDARD || error != EINVAL)
182 			return error;
183 		return smbfs_smb_qpathinfo(np, fap, scred,
184 					   SMB_QUERY_FILE_STANDARD);
185 	}
186 	mdp = &t2p->t2_rdata;
187 	svtz = vcp->vc_sopt.sv_tz;
188 	switch (infolevel) {
189 	    case SMB_QUERY_FILE_STANDARD:
190 		timesok = 0;
191 		md_get_uint16le(mdp, NULL);
192 		md_get_uint16le(mdp, NULL);	/* creation time */
193 		md_get_uint16le(mdp, &date);
194 		md_get_uint16le(mdp, &time);	/* access time */
195 		if (date || time) {
196 			timesok++;
197 			smb_dos2unixtime(date, time, 0, svtz, &fap->fa_atime);
198 		}
199 		md_get_uint16le(mdp, &date);
200 		md_get_uint16le(mdp, &time);	/* modify time */
201 		if (date || time) {
202 			timesok++;
203 			smb_dos2unixtime(date, time, 0, svtz, &fap->fa_mtime);
204 		}
205 		md_get_uint32le(mdp, &size);
206 		fap->fa_size = size;
207 		md_get_uint32(mdp, NULL);	/* allocation size */
208 		md_get_uint16le(mdp, &wattr);
209 		fap->fa_attr = wattr;
210 		break;
211 	    case SMB_QUERY_FILE_BASIC_INFO:
212 		timesok = 0;
213 		md_get_int64(mdp, NULL);	/* creation time */
214 		md_get_int64le(mdp, &lint);
215 		if (lint) {
216 			timesok++;
217 			smb_time_NT2local(lint, svtz, &fap->fa_atime);
218 		}
219 		md_get_int64le(mdp, &lint);
220 		if (lint) {
221 			timesok++;
222 			smb_time_NT2local(lint, svtz, &fap->fa_mtime);
223 		}
224 		md_get_int64le(mdp, &lint);
225 		if (lint) {
226 			timesok++;
227 			smb_time_NT2local(lint, svtz, &fap->fa_ctime);
228 		}
229 		md_get_uint32le(mdp, &dattr);
230 		fap->fa_attr = dattr;
231 		md_get_uint32(mdp, NULL);
232 		/* XXX could use ALL_INFO to get size */
233 		break;
234 	    default:
235 		SMBERROR("unexpected info level %d\n", infolevel);
236 		error = EINVAL;
237 	}
238 	smb_t2_done(t2p);
239 	/*
240 	 * if all times are zero (observed with FAT on NT4SP6)
241 	 * then fall back to older info level
242 	 */
243 	if (!timesok) {
244 		if (infolevel != SMB_QUERY_FILE_STANDARD)
245 			return smbfs_smb_qpathinfo(np, fap, scred,
246 						   SMB_QUERY_FILE_STANDARD);
247 		error = EINVAL;
248 	}
249 	return error;
250 }
251 
252 int
253 smbfs_smb_statfs2(struct smb_share *ssp, struct statfs *sbp,
254 	struct smb_cred *scred)
255 {
256 	struct smb_t2rq *t2p;
257 	struct mbchain *mbp;
258 	struct mdchain *mdp;
259 	u_int16_t bsize;
260 	u_int32_t units, bpu, funits;
261 	int error;
262 
263 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_QUERY_FS_INFORMATION,
264 	    scred, &t2p);
265 	if (error)
266 		return error;
267 	mbp = &t2p->t2_tparam;
268 	mb_init(mbp);
269 	mb_put_uint16le(mbp, SMB_INFO_ALLOCATION);
270 	t2p->t2_maxpcount = 4;
271 	t2p->t2_maxdcount = 4 * 4 + 2;
272 	error = smb_t2_request(t2p);
273 	if (error) {
274 		smb_t2_done(t2p);
275 		return error;
276 	}
277 	mdp = &t2p->t2_rdata;
278 	md_get_uint32(mdp, NULL);	/* fs id */
279 	md_get_uint32le(mdp, &bpu);
280 	md_get_uint32le(mdp, &units);
281 	md_get_uint32le(mdp, &funits);
282 	md_get_uint16le(mdp, &bsize);
283 	sbp->f_bsize = bpu * bsize;	/* fundamental filesystem block size */
284 	sbp->f_blocks= units;		/* total data blocks in filesystem */
285 	sbp->f_bfree = funits;		/* free blocks in fs */
286 	sbp->f_bavail= funits;		/* free blocks avail to non-superuser */
287 	sbp->f_files = 0xffff;		/* total file nodes in filesystem */
288 	sbp->f_ffree = 0xffff;		/* free file nodes in fs */
289 	smb_t2_done(t2p);
290 	return 0;
291 }
292 
293 int
294 smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
295 	struct smb_cred *scred)
296 {
297 	struct smb_rq rq, *rqp = &rq;
298 	struct mdchain *mdp;
299 	u_int16_t units, bpu, bsize, funits;
300 	int error;
301 
302 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_QUERY_INFORMATION_DISK, scred);
303 	if (error)
304 		return error;
305 	smb_rq_wstart(rqp);
306 	smb_rq_wend(rqp);
307 	smb_rq_bstart(rqp);
308 	smb_rq_bend(rqp);
309 	error = smb_rq_simple(rqp);
310 	if (error) {
311 		smb_rq_done(rqp);
312 		return error;
313 	}
314 	smb_rq_getreply(rqp, &mdp);
315 	md_get_uint16le(mdp, &units);
316 	md_get_uint16le(mdp, &bpu);
317 	md_get_uint16le(mdp, &bsize);
318 	md_get_uint16le(mdp, &funits);
319 	sbp->f_bsize = bpu * bsize;	/* fundamental filesystem block size */
320 	sbp->f_blocks= units;		/* total data blocks in filesystem */
321 	sbp->f_bfree = funits;		/* free blocks in fs */
322 	sbp->f_bavail= funits;		/* free blocks avail to non-superuser */
323 	sbp->f_files = 0xffff;		/* total file nodes in filesystem */
324 	sbp->f_ffree = 0xffff;		/* free file nodes in fs */
325 	smb_rq_done(rqp);
326 	return 0;
327 }
328 
329 static int
330 smbfs_smb_seteof(struct smbnode *np, int64_t newsize, struct smb_cred *scred)
331 {
332 	struct smb_t2rq *t2p;
333 	struct smb_share *ssp = np->n_mount->sm_share;
334 	struct mbchain *mbp;
335 	int error;
336 
337 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_FILE_INFORMATION,
338 	    scred, &t2p);
339 	if (error)
340 		return error;
341 	mbp = &t2p->t2_tparam;
342 	mb_init(mbp);
343 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
344 	mb_put_uint16le(mbp, SMB_SET_FILE_END_OF_FILE_INFO);
345 	mb_put_uint32le(mbp, 0);
346 	mbp = &t2p->t2_tdata;
347 	mb_init(mbp);
348 	mb_put_int64le(mbp, newsize);
349 	mb_put_uint32le(mbp, 0);			/* padding */
350 	mb_put_uint16le(mbp, 0);
351 	t2p->t2_maxpcount = 2;
352 	t2p->t2_maxdcount = 0;
353 	error = smb_t2_request(t2p);
354 	smb_t2_done(t2p);
355 	return error;
356 }
357 
358 static int
359 smb_smb_flush(struct smbnode *np, struct smb_cred *scred)
360 {
361 	struct smb_share *ssp = np->n_mount->sm_share;
362 	struct smb_rq rq, *rqp = &rq;
363 	struct mbchain *mbp;
364 	int error;
365 
366 	if ((np->n_flag & NOPEN) == 0 || !SMBTOV(np) ||
367 	    SMBTOV(np)->v_type != VREG)
368 		return 0; /* not a regular open file */
369 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_FLUSH, scred);
370 	if (error)
371 		return (error);
372 	smb_rq_getrequest(rqp, &mbp);
373 	smb_rq_wstart(rqp);
374 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
375 	smb_rq_wend(rqp);
376 	smb_rq_bstart(rqp);
377 	smb_rq_bend(rqp);
378 	error = smb_rq_simple(rqp);
379 	smb_rq_done(rqp);
380 	if (!error)
381 		np->n_flag &= ~NFLUSHWIRE;
382 	return (error);
383 }
384 
385 int
386 smbfs_smb_flush(struct smbnode *np, struct smb_cred *scred)
387 {
388 	if (np->n_flag & NFLUSHWIRE)
389 		return (smb_smb_flush(np, scred));
390 	return (0);
391 }
392 
393 int
394 smbfs_smb_setfsize(struct smbnode *np, int newsize, struct smb_cred *scred)
395 {
396 	struct smb_share *ssp = np->n_mount->sm_share;
397 	struct smb_rq rq, *rqp = &rq;
398 	struct mbchain *mbp;
399 	int error;
400 
401 	if (!smbfs_smb_seteof(np, (int64_t) newsize, scred)) {
402 		np->n_flag |= NFLUSHWIRE;
403 		return (0);
404 	}
405 
406 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_WRITE, scred);
407 	if (error)
408 		return error;
409 	smb_rq_getrequest(rqp, &mbp);
410 	smb_rq_wstart(rqp);
411 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
412 	mb_put_uint16le(mbp, 0);
413 	mb_put_uint32le(mbp, newsize);
414 	mb_put_uint16le(mbp, 0);
415 	smb_rq_wend(rqp);
416 	smb_rq_bstart(rqp);
417 	mb_put_uint8(mbp, SMB_DT_DATA);
418 	mb_put_uint16le(mbp, 0);
419 	smb_rq_bend(rqp);
420 	error = smb_rq_simple(rqp);
421 	smb_rq_done(rqp);
422 	return error;
423 }
424 
425 int
426 smbfs_smb_query_info(struct smbnode *np, const char *name, int len,
427 		     struct smbfattr *fap, struct smb_cred *scred)
428 {
429 	struct smb_rq rq, *rqp = &rq;
430 	struct smb_share *ssp = np->n_mount->sm_share;
431 	struct mbchain *mbp;
432 	struct mdchain *mdp;
433 	u_int8_t wc;
434 	int error;
435 	u_int16_t wattr;
436 	u_int32_t lint;
437 
438 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_QUERY_INFORMATION, scred);
439 	if (error)
440 		return error;
441 	smb_rq_getrequest(rqp, &mbp);
442 	smb_rq_wstart(rqp);
443 	smb_rq_wend(rqp);
444 	smb_rq_bstart(rqp);
445 	mb_put_uint8(mbp, SMB_DT_ASCII);
446 	do {
447 		error = smbfs_fullpath(mbp, SSTOVC(ssp), np, name, len);
448 		if (error)
449 			break;
450 		smb_rq_bend(rqp);
451 		error = smb_rq_simple(rqp);
452 		if (error)
453 			break;
454 		smb_rq_getreply(rqp, &mdp);
455 		if (md_get_uint8(mdp, &wc) != 0 || wc != 10) {
456 			error = EBADRPC;
457 			break;
458 		}
459 		md_get_uint16le(mdp, &wattr);
460 		fap->fa_attr = wattr;
461 		/*
462 		 * Be careful using the time returned here, as
463 		 * with FAT on NT4SP6, at least, the time returned is low
464 		 * 32 bits of 100s of nanoseconds (since 1601) so it rolls
465 		 * over about every seven minutes!
466 		 */
467 		md_get_uint32le(mdp, &lint); /* specs: secs since 1970 */
468 		if (lint)	/* avoid bogus zero returns */
469 			smb_time_server2local(lint, SSTOVC(ssp)->vc_sopt.sv_tz,
470 					      &fap->fa_mtime);
471 		md_get_uint32le(mdp, &lint);
472 		fap->fa_size = lint;
473 	} while(0);
474 	smb_rq_done(rqp);
475 	return error;
476 }
477 
478 /*
479  * Set DOS file attributes. mtime should be NULL for dialects above lm10
480  */
481 int
482 smbfs_smb_setpattr(struct smbnode *np, u_int16_t attr, struct timespec *mtime,
483 	struct smb_cred *scred)
484 {
485 	struct smb_rq rq, *rqp = &rq;
486 	struct smb_share *ssp = np->n_mount->sm_share;
487 	struct mbchain *mbp;
488 	u_long time;
489 	int error, svtz;
490 
491 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION, scred);
492 	if (error)
493 		return error;
494 	svtz = SSTOVC(ssp)->vc_sopt.sv_tz;
495 	smb_rq_getrequest(rqp, &mbp);
496 	smb_rq_wstart(rqp);
497 	mb_put_uint16le(mbp, attr);
498 	if (mtime) {
499 		smb_time_local2server(mtime, svtz, &time);
500 	} else
501 		time = 0;
502 	mb_put_uint32le(mbp, time);		/* mtime */
503 	mb_put_mem(mbp, NULL, 5 * 2, MB_MZERO);
504 	smb_rq_wend(rqp);
505 	smb_rq_bstart(rqp);
506 	mb_put_uint8(mbp, SMB_DT_ASCII);
507 	do {
508 		error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
509 		if (error)
510 			break;
511 		mb_put_uint8(mbp, SMB_DT_ASCII);
512 		mb_put_uint8(mbp, 0);
513 		smb_rq_bend(rqp);
514 		error = smb_rq_simple(rqp);
515 		if (error) {
516 			SMBERROR("smb_rq_simple(rqp) => error %d\n", error);
517 			break;
518 		}
519 	} while(0);
520 	smb_rq_done(rqp);
521 	return error;
522 }
523 
524 /*
525  * Note, win95 doesn't support this call.
526  */
527 int
528 smbfs_smb_setptime2(struct smbnode *np, struct timespec *mtime,
529 	struct timespec *atime, int attr, struct smb_cred *scred)
530 {
531 	struct smb_t2rq *t2p;
532 	struct smb_share *ssp = np->n_mount->sm_share;
533 	struct smb_vc *vcp = SSTOVC(ssp);
534 	struct mbchain *mbp;
535 	u_int16_t date, time;
536 	int error, tzoff;
537 
538 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION,
539 	    scred, &t2p);
540 	if (error)
541 		return error;
542 	mbp = &t2p->t2_tparam;
543 	mb_init(mbp);
544 	mb_put_uint16le(mbp, SMB_INFO_STANDARD);
545 	mb_put_uint32le(mbp, 0);		/* MBZ */
546 	/* mb_put_uint8(mbp, SMB_DT_ASCII); specs incorrect */
547 	error = smbfs_fullpath(mbp, vcp, np, NULL, 0);
548 	if (error) {
549 		smb_t2_done(t2p);
550 		return error;
551 	}
552 	tzoff = vcp->vc_sopt.sv_tz;
553 	mbp = &t2p->t2_tdata;
554 	mb_init(mbp);
555 	mb_put_uint32le(mbp, 0);		/* creation time */
556 	if (atime)
557 		smb_time_unix2dos(atime, tzoff, &date, &time, NULL);
558 	else
559 		time = date = 0;
560 	mb_put_uint16le(mbp, date);
561 	mb_put_uint16le(mbp, time);
562 	if (mtime)
563 		smb_time_unix2dos(mtime, tzoff, &date, &time, NULL);
564 	else
565 		time = date = 0;
566 	mb_put_uint16le(mbp, date);
567 	mb_put_uint16le(mbp, time);
568 	mb_put_uint32le(mbp, 0);		/* file size */
569 	mb_put_uint32le(mbp, 0);		/* allocation unit size */
570 	mb_put_uint16le(mbp, attr);	/* DOS attr */
571 	mb_put_uint32le(mbp, 0);		/* EA size */
572 	t2p->t2_maxpcount = 5 * 2;
573 	t2p->t2_maxdcount = vcp->vc_txmax;
574 	error = smb_t2_request(t2p);
575 	smb_t2_done(t2p);
576 	return error;
577 }
578 
579 /*
580  * NT level. Specially for win9x
581  */
582 int
583 smbfs_smb_setpattrNT(struct smbnode *np, u_short attr, struct timespec *mtime,
584 	struct timespec *atime, struct smb_cred *scred)
585 {
586 	struct smb_t2rq *t2p;
587 	struct smb_share *ssp = np->n_mount->sm_share;
588 	struct smb_vc *vcp = SSTOVC(ssp);
589 	struct mbchain *mbp;
590 	int64_t tm;
591 	int error, tzoff;
592 
593 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_PATH_INFORMATION,
594 	    scred, &t2p);
595 	if (error)
596 		return error;
597 	mbp = &t2p->t2_tparam;
598 	mb_init(mbp);
599 	mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO);
600 	mb_put_uint32le(mbp, 0);		/* MBZ */
601 	/* mb_put_uint8(mbp, SMB_DT_ASCII); specs incorrect */
602 	error = smbfs_fullpath(mbp, vcp, np, NULL, 0);
603 	if (error) {
604 		smb_t2_done(t2p);
605 		return error;
606 	}
607 	tzoff = vcp->vc_sopt.sv_tz;
608 	mbp = &t2p->t2_tdata;
609 	mb_init(mbp);
610 	mb_put_int64le(mbp, 0);		/* creation time */
611 	if (atime) {
612 		smb_time_local2NT(atime, tzoff, &tm);
613 	} else
614 		tm = 0;
615 	mb_put_int64le(mbp, tm);
616 	if (mtime) {
617 		smb_time_local2NT(mtime, tzoff, &tm);
618 	} else
619 		tm = 0;
620 	mb_put_int64le(mbp, tm);
621 	mb_put_int64le(mbp, tm);		/* change time */
622 	mb_put_uint32le(mbp, attr);		/* attr */
623 	t2p->t2_maxpcount = 24;
624 	t2p->t2_maxdcount = 56;
625 	error = smb_t2_request(t2p);
626 	smb_t2_done(t2p);
627 	return error;
628 }
629 
630 /*
631  * Set file atime and mtime. Doesn't supported by core dialect.
632  */
633 int
634 smbfs_smb_setftime(struct smbnode *np, struct timespec *mtime,
635 	struct timespec *atime, struct smb_cred *scred)
636 {
637 	struct smb_rq rq, *rqp = &rq;
638 	struct smb_share *ssp = np->n_mount->sm_share;
639 	struct mbchain *mbp;
640 	u_int16_t date, time;
641 	int error, tzoff;
642 
643 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_SET_INFORMATION2, scred);
644 	if (error)
645 		return error;
646 	tzoff = SSTOVC(ssp)->vc_sopt.sv_tz;
647 	smb_rq_getrequest(rqp, &mbp);
648 	smb_rq_wstart(rqp);
649 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
650 	mb_put_uint32le(mbp, 0);		/* creation time */
651 
652 	if (atime)
653 		smb_time_unix2dos(atime, tzoff, &date, &time, NULL);
654 	else
655 		time = date = 0;
656 	mb_put_uint16le(mbp, date);
657 	mb_put_uint16le(mbp, time);
658 	if (mtime)
659 		smb_time_unix2dos(mtime, tzoff, &date, &time, NULL);
660 	else
661 		time = date = 0;
662 	mb_put_uint16le(mbp, date);
663 	mb_put_uint16le(mbp, time);
664 	smb_rq_wend(rqp);
665 	smb_rq_bstart(rqp);
666 	smb_rq_bend(rqp);
667 	error = smb_rq_simple(rqp);
668 	SMBSDEBUG("%d\n", error);
669 	smb_rq_done(rqp);
670 	return error;
671 }
672 
673 /*
674  * Set DOS file attributes.
675  * Looks like this call can be used only if CAP_NT_SMBS bit is on.
676  */
677 int
678 smbfs_smb_setfattrNT(struct smbnode *np, u_int16_t attr, struct timespec *mtime,
679 	struct timespec *atime, struct smb_cred *scred)
680 {
681 	struct smb_t2rq *t2p;
682 	struct smb_share *ssp = np->n_mount->sm_share;
683 	struct mbchain *mbp;
684 	int64_t tm;
685 	int error, svtz;
686 
687 	error = smb_t2_alloc(SSTOCP(ssp), SMB_TRANS2_SET_FILE_INFORMATION,
688 	    scred, &t2p);
689 	if (error)
690 		return error;
691 	svtz = SSTOVC(ssp)->vc_sopt.sv_tz;
692 	mbp = &t2p->t2_tparam;
693 	mb_init(mbp);
694 	mb_put_mem(mbp, (caddr_t)&np->n_fid, 2, MB_MSYSTEM);
695 	mb_put_uint16le(mbp, SMB_SET_FILE_BASIC_INFO);
696 	mb_put_uint32le(mbp, 0);
697 	mbp = &t2p->t2_tdata;
698 	mb_init(mbp);
699 	mb_put_int64le(mbp, 0);		/* creation time */
700 	if (atime) {
701 		smb_time_local2NT(atime, svtz, &tm);
702 	} else
703 		tm = 0;
704 	mb_put_int64le(mbp, tm);
705 	if (mtime) {
706 		smb_time_local2NT(mtime, svtz, &tm);
707 	} else
708 		tm = 0;
709 	mb_put_int64le(mbp, tm);
710 	mb_put_int64le(mbp, tm);		/* change time */
711 	mb_put_uint16le(mbp, attr);
712 	mb_put_uint32le(mbp, 0);			/* padding */
713 	mb_put_uint16le(mbp, 0);
714 	t2p->t2_maxpcount = 2;
715 	t2p->t2_maxdcount = 0;
716 	error = smb_t2_request(t2p);
717 	smb_t2_done(t2p);
718 	return error;
719 }
720 
721 
722 int
723 smbfs_smb_open(struct smbnode *np, int accmode, struct smb_cred *scred)
724 {
725 	struct smb_rq rq, *rqp = &rq;
726 	struct smb_share *ssp = np->n_mount->sm_share;
727 	struct mbchain *mbp;
728 	struct mdchain *mdp;
729 	u_int8_t wc;
730 	u_int16_t fid, wattr, grantedmode;
731 	int error;
732 
733 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_OPEN, scred);
734 	if (error)
735 		return error;
736 	smb_rq_getrequest(rqp, &mbp);
737 	smb_rq_wstart(rqp);
738 	mb_put_uint16le(mbp, accmode);
739 	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
740 	smb_rq_wend(rqp);
741 	smb_rq_bstart(rqp);
742 	mb_put_uint8(mbp, SMB_DT_ASCII);
743 	do {
744 		error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
745 		if (error)
746 			break;
747 		smb_rq_bend(rqp);
748 		error = smb_rq_simple(rqp);
749 		if (error)
750 			break;
751 		smb_rq_getreply(rqp, &mdp);
752 		if (md_get_uint8(mdp, &wc) != 0 || wc != 7) {
753 			error = EBADRPC;
754 			break;
755 		}
756 		md_get_uint16(mdp, &fid);
757 		md_get_uint16le(mdp, &wattr);
758 		md_get_uint32(mdp, NULL);	/* mtime */
759 		md_get_uint32(mdp, NULL);	/* fsize */
760 		md_get_uint16le(mdp, &grantedmode);
761 		/*
762 		 * TODO: refresh attributes from this reply
763 		 */
764 	} while(0);
765 	smb_rq_done(rqp);
766 	if (error)
767 		return error;
768 	np->n_fid = fid;
769 	np->n_rwstate = grantedmode;
770 	return 0;
771 }
772 
773 
774 int
775 smbfs_smb_close(struct smb_share *ssp, u_int16_t fid, struct timespec *mtime,
776 	struct smb_cred *scred)
777 {
778 	struct smb_rq rq, *rqp = &rq;
779 	struct mbchain *mbp;
780 	u_long time;
781 	int error;
782 
783 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CLOSE, scred);
784 	if (error)
785 		return error;
786 	smb_rq_getrequest(rqp, &mbp);
787 	smb_rq_wstart(rqp);
788 	mb_put_mem(mbp, (caddr_t)&fid, sizeof(fid), MB_MSYSTEM);
789 	if (mtime) {
790 		smb_time_local2server(mtime, SSTOVC(ssp)->vc_sopt.sv_tz, &time);
791 	} else
792 		time = 0;
793 	mb_put_uint32le(mbp, time);
794 	smb_rq_wend(rqp);
795 	smb_rq_bstart(rqp);
796 	smb_rq_bend(rqp);
797 	error = smb_rq_simple(rqp);
798 	smb_rq_done(rqp);
799 	return error;
800 }
801 
802 int
803 smbfs_smb_create(struct smbnode *dnp, const char *name, int nmlen,
804 	struct smb_cred *scred)
805 {
806 	struct smb_rq rq, *rqp = &rq;
807 	struct smb_share *ssp = dnp->n_mount->sm_share;
808 	struct mbchain *mbp;
809 	struct mdchain *mdp;
810 	struct timespec ctime;
811 	u_int8_t wc;
812 	u_int16_t fid;
813 	u_long tm;
814 	int error;
815 
816 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE, scred);
817 	if (error)
818 		return error;
819 	smb_rq_getrequest(rqp, &mbp);
820 	smb_rq_wstart(rqp);
821 	mb_put_uint16le(mbp, SMB_FA_ARCHIVE);		/* attributes  */
822 	nanotime(&ctime);
823 	smb_time_local2server(&ctime, SSTOVC(ssp)->vc_sopt.sv_tz, &tm);
824 	mb_put_uint32le(mbp, tm);
825 	smb_rq_wend(rqp);
826 	smb_rq_bstart(rqp);
827 	mb_put_uint8(mbp, SMB_DT_ASCII);
828 	error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, nmlen);
829 	if (!error) {
830 		smb_rq_bend(rqp);
831 		error = smb_rq_simple(rqp);
832 		if (!error) {
833 			smb_rq_getreply(rqp, &mdp);
834 			md_get_uint8(mdp, &wc);
835 			if (wc == 1)
836 				md_get_uint16(mdp, &fid);
837 			else
838 				error = EBADRPC;
839 		}
840 	}
841 	smb_rq_done(rqp);
842 	if (error)
843 		return error;
844 	smbfs_smb_close(ssp, fid, &ctime, scred);
845 	return error;
846 }
847 
848 int
849 smbfs_smb_delete(struct smbnode *np, struct smb_cred *scred)
850 {
851 	struct smb_rq rq, *rqp = &rq;
852 	struct smb_share *ssp = np->n_mount->sm_share;
853 	struct mbchain *mbp;
854 	int error;
855 
856 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE, scred);
857 	if (error)
858 		return error;
859 	smb_rq_getrequest(rqp, &mbp);
860 	smb_rq_wstart(rqp);
861 	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
862 	smb_rq_wend(rqp);
863 	smb_rq_bstart(rqp);
864 	mb_put_uint8(mbp, SMB_DT_ASCII);
865 	error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
866 	if (!error) {
867 		smb_rq_bend(rqp);
868 		error = smb_rq_simple(rqp);
869 	}
870 	smb_rq_done(rqp);
871 	return error;
872 }
873 
874 int
875 smbfs_smb_rename(struct smbnode *src, struct smbnode *tdnp,
876 	const char *tname, int tnmlen, struct smb_cred *scred)
877 {
878 	struct smb_rq rq, *rqp = &rq;
879 	struct smb_share *ssp = src->n_mount->sm_share;
880 	struct mbchain *mbp;
881 	int error;
882 
883 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_RENAME, scred);
884 	if (error)
885 		return error;
886 	smb_rq_getrequest(rqp, &mbp);
887 	smb_rq_wstart(rqp);
888 	mb_put_uint16le(mbp, SMB_FA_SYSTEM | SMB_FA_HIDDEN);
889 	smb_rq_wend(rqp);
890 	smb_rq_bstart(rqp);
891 	mb_put_uint8(mbp, SMB_DT_ASCII);
892 	do {
893 		error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0);
894 		if (error)
895 			break;
896 		mb_put_uint8(mbp, SMB_DT_ASCII);
897 		error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen);
898 		if (error)
899 			break;
900 		smb_rq_bend(rqp);
901 		error = smb_rq_simple(rqp);
902 	} while(0);
903 	smb_rq_done(rqp);
904 	return error;
905 }
906 
907 int
908 smbfs_smb_move(struct smbnode *src, struct smbnode *tdnp,
909 	const char *tname, int tnmlen, u_int16_t flags, struct smb_cred *scred)
910 {
911 	struct smb_rq rq, *rqp = &rq;
912 	struct smb_share *ssp = src->n_mount->sm_share;
913 	struct mbchain *mbp;
914 	int error;
915 
916 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_MOVE, scred);
917 	if (error)
918 		return error;
919 	smb_rq_getrequest(rqp, &mbp);
920 	smb_rq_wstart(rqp);
921 	mb_put_uint16le(mbp, SMB_TID_UNKNOWN);
922 	mb_put_uint16le(mbp, 0x20);	/* delete target file */
923 	mb_put_uint16le(mbp, flags);
924 	smb_rq_wend(rqp);
925 	smb_rq_bstart(rqp);
926 	mb_put_uint8(mbp, SMB_DT_ASCII);
927 	do {
928 		error = smbfs_fullpath(mbp, SSTOVC(ssp), src, NULL, 0);
929 		if (error)
930 			break;
931 		mb_put_uint8(mbp, SMB_DT_ASCII);
932 		error = smbfs_fullpath(mbp, SSTOVC(ssp), tdnp, tname, tnmlen);
933 		if (error)
934 			break;
935 		smb_rq_bend(rqp);
936 		error = smb_rq_simple(rqp);
937 	} while(0);
938 	smb_rq_done(rqp);
939 	return error;
940 }
941 
942 int
943 smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len,
944 	struct smb_cred *scred)
945 {
946 	struct smb_rq rq, *rqp = &rq;
947 	struct smb_share *ssp = dnp->n_mount->sm_share;
948 	struct mbchain *mbp;
949 	int error;
950 
951 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_CREATE_DIRECTORY, scred);
952 	if (error)
953 		return error;
954 	smb_rq_getrequest(rqp, &mbp);
955 	smb_rq_wstart(rqp);
956 	smb_rq_wend(rqp);
957 	smb_rq_bstart(rqp);
958 	mb_put_uint8(mbp, SMB_DT_ASCII);
959 	error = smbfs_fullpath(mbp, SSTOVC(ssp), dnp, name, len);
960 	if (!error) {
961 		smb_rq_bend(rqp);
962 		error = smb_rq_simple(rqp);
963 	}
964 	smb_rq_done(rqp);
965 	return error;
966 }
967 
968 int
969 smbfs_smb_rmdir(struct smbnode *np, struct smb_cred *scred)
970 {
971 	struct smb_rq rq, *rqp = &rq;
972 	struct smb_share *ssp = np->n_mount->sm_share;
973 	struct mbchain *mbp;
974 	int error;
975 
976 	error = smb_rq_init(rqp, SSTOCP(ssp), SMB_COM_DELETE_DIRECTORY, scred);
977 	if (error)
978 		return error;
979 	smb_rq_getrequest(rqp, &mbp);
980 	smb_rq_wstart(rqp);
981 	smb_rq_wend(rqp);
982 	smb_rq_bstart(rqp);
983 	mb_put_uint8(mbp, SMB_DT_ASCII);
984 	error = smbfs_fullpath(mbp, SSTOVC(ssp), np, NULL, 0);
985 	if (!error) {
986 		smb_rq_bend(rqp);
987 		error = smb_rq_simple(rqp);
988 	}
989 	smb_rq_done(rqp);
990 	return error;
991 }
992 
993 static int
994 smbfs_smb_search(struct smbfs_fctx *ctx)
995 {
996 	struct smb_vc *vcp = SSTOVC(ctx->f_ssp);
997 	struct smb_rq *rqp;
998 	struct mbchain *mbp;
999 	struct mdchain *mdp;
1000 	u_int8_t wc, bt;
1001 	u_int16_t ec, dlen, bc;
1002 	int maxent, error, iseof = 0;
1003 
1004 	maxent = min(ctx->f_left, (vcp->vc_txmax - SMB_HDRLEN - 3) / SMB_DENTRYLEN);
1005 	if (ctx->f_rq) {
1006 		smb_rq_done(ctx->f_rq);
1007 		ctx->f_rq = NULL;
1008 	}
1009 	error = smb_rq_alloc(SSTOCP(ctx->f_ssp), SMB_COM_SEARCH, ctx->f_scred, &rqp);
1010 	if (error)
1011 		return error;
1012 	ctx->f_rq = rqp;
1013 	smb_rq_getrequest(rqp, &mbp);
1014 	smb_rq_wstart(rqp);
1015 	mb_put_uint16le(mbp, maxent);	/* max entries to return */
1016 	mb_put_uint16le(mbp, ctx->f_attrmask);
1017 	smb_rq_wend(rqp);
1018 	smb_rq_bstart(rqp);
1019 	mb_put_uint8(mbp, SMB_DT_ASCII);	/* buffer format */
1020 	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
1021 		error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen);
1022 		if (error)
1023 			return error;
1024 		mb_put_uint8(mbp, SMB_DT_VARIABLE);
1025 		mb_put_uint16le(mbp, 0);	/* context length */
1026 		ctx->f_flags &= ~SMBFS_RDD_FINDFIRST;
1027 	} else {
1028 		mb_put_uint8(mbp, 0);	/* file name length */
1029 		mb_put_uint8(mbp, SMB_DT_VARIABLE);
1030 		mb_put_uint16le(mbp, SMB_SKEYLEN);
1031 		mb_put_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM);
1032 	}
1033 	smb_rq_bend(rqp);
1034 	error = smb_rq_simple(rqp);
1035 	if (error) {
1036 		if (rqp->sr_errclass == ERRDOS && rqp->sr_serror == ERRnofiles) {
1037 			error = 0;
1038 			iseof = 1;
1039 			ctx->f_flags |= SMBFS_RDD_EOF;
1040 		} else
1041 			return error;
1042 	}
1043 	smb_rq_getreply(rqp, &mdp);
1044 	md_get_uint8(mdp, &wc);
1045 	if (wc != 1)
1046 		return iseof ? ENOENT : EBADRPC;
1047 	md_get_uint16le(mdp, &ec);
1048 	if (ec == 0)
1049 		return ENOENT;
1050 	ctx->f_ecnt = ec;
1051 	md_get_uint16le(mdp, &bc);
1052 	if (bc < 3)
1053 		return EBADRPC;
1054 	bc -= 3;
1055 	md_get_uint8(mdp, &bt);
1056 	if (bt != SMB_DT_VARIABLE)
1057 		return EBADRPC;
1058 	md_get_uint16le(mdp, &dlen);
1059 	if (dlen != bc || dlen % SMB_DENTRYLEN != 0)
1060 		return EBADRPC;
1061 	return 0;
1062 }
1063 
1064 static int
1065 smbfs_findopenLM1(struct smbfs_fctx *ctx, struct smbnode *dnp,
1066 	const char *wildcard, int wclen, int attr, struct smb_cred *scred)
1067 {
1068 	ctx->f_attrmask = attr;
1069 	if (wildcard) {
1070 		if (wclen == 1 && wildcard[0] == '*') {
1071 			ctx->f_wildcard = "*.*";
1072 			ctx->f_wclen = 3;
1073 		} else {
1074 			ctx->f_wildcard = wildcard;
1075 			ctx->f_wclen = wclen;
1076 		}
1077 	} else {
1078 		ctx->f_wildcard = NULL;
1079 		ctx->f_wclen = 0;
1080 	}
1081 	ctx->f_name = ctx->f_fname;
1082 	return 0;
1083 }
1084 
1085 static int
1086 smbfs_findnextLM1(struct smbfs_fctx *ctx, int limit)
1087 {
1088 	struct mdchain *mbp;
1089 	struct smb_rq *rqp;
1090 	char *cp;
1091 	u_int8_t battr;
1092 	u_int16_t date, time;
1093 	u_int32_t size;
1094 	int error;
1095 
1096 	if (ctx->f_ecnt == 0) {
1097 		if (ctx->f_flags & SMBFS_RDD_EOF)
1098 			return ENOENT;
1099 		ctx->f_left = ctx->f_limit = limit;
1100 		error = smbfs_smb_search(ctx);
1101 		if (error)
1102 			return error;
1103 	}
1104 	rqp = ctx->f_rq;
1105 	smb_rq_getreply(rqp, &mbp);
1106 	md_get_mem(mbp, ctx->f_skey, SMB_SKEYLEN, MB_MSYSTEM);
1107 	md_get_uint8(mbp, &battr);
1108 	md_get_uint16le(mbp, &time);
1109 	md_get_uint16le(mbp, &date);
1110 	md_get_uint32le(mbp, &size);
1111 	cp = ctx->f_name;
1112 	md_get_mem(mbp, cp, sizeof(ctx->f_fname), MB_MSYSTEM);
1113 	cp[sizeof(ctx->f_fname) - 1] = 0;
1114 	cp += strlen(cp) - 1;
1115 	while (*cp == ' ' && cp >= ctx->f_name)
1116 		*cp-- = 0;
1117 	ctx->f_attr.fa_attr = battr;
1118 	smb_dos2unixtime(date, time, 0, rqp->sr_vc->vc_sopt.sv_tz,
1119 	    &ctx->f_attr.fa_mtime);
1120 	ctx->f_attr.fa_size = size;
1121 	ctx->f_nmlen = strlen(ctx->f_name);
1122 	ctx->f_ecnt--;
1123 	ctx->f_left--;
1124 	return 0;
1125 }
1126 
1127 static int
1128 smbfs_findcloseLM1(struct smbfs_fctx *ctx)
1129 {
1130 	if (ctx->f_rq)
1131 		smb_rq_done(ctx->f_rq);
1132 	return 0;
1133 }
1134 
1135 /*
1136  * TRANS2_FIND_FIRST2/NEXT2, used for NT LM12 dialect
1137  */
1138 static int
1139 smbfs_smb_trans2find2(struct smbfs_fctx *ctx)
1140 {
1141 	struct smb_t2rq *t2p;
1142 	struct smb_vc *vcp = SSTOVC(ctx->f_ssp);
1143 	struct mbchain *mbp;
1144 	struct mdchain *mdp;
1145 	u_int16_t tw, flags;
1146 	int error;
1147 
1148 	if (ctx->f_t2) {
1149 		smb_t2_done(ctx->f_t2);
1150 		ctx->f_t2 = NULL;
1151 	}
1152 	ctx->f_flags &= ~SMBFS_RDD_GOTRNAME;
1153 	flags = 8 | 2;			/* <resume> | <close if EOS> */
1154 	if (ctx->f_flags & SMBFS_RDD_FINDSINGLE) {
1155 		flags |= 1;		/* close search after this request */
1156 		ctx->f_flags |= SMBFS_RDD_NOCLOSE;
1157 	}
1158 	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
1159 		error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_FIRST2,
1160 		    ctx->f_scred, &t2p);
1161 		if (error)
1162 			return error;
1163 		ctx->f_t2 = t2p;
1164 		mbp = &t2p->t2_tparam;
1165 		mb_init(mbp);
1166 		mb_put_uint16le(mbp, ctx->f_attrmask);
1167 		mb_put_uint16le(mbp, ctx->f_limit);
1168 		mb_put_uint16le(mbp, flags);
1169 		mb_put_uint16le(mbp, ctx->f_infolevel);
1170 		mb_put_uint32le(mbp, 0);
1171 		error = smbfs_fullpath(mbp, vcp, ctx->f_dnp, ctx->f_wildcard, ctx->f_wclen);
1172 		if (error)
1173 			return error;
1174 	} else	{
1175 		error = smb_t2_alloc(SSTOCP(ctx->f_ssp), SMB_TRANS2_FIND_NEXT2,
1176 		    ctx->f_scred, &t2p);
1177 		if (error)
1178 			return error;
1179 		ctx->f_t2 = t2p;
1180 		mbp = &t2p->t2_tparam;
1181 		mb_init(mbp);
1182 		mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM);
1183 		mb_put_uint16le(mbp, ctx->f_limit);
1184 		mb_put_uint16le(mbp, ctx->f_infolevel);
1185 		mb_put_uint32le(mbp, 0);		/* resume key */
1186 		mb_put_uint16le(mbp, flags);
1187 		if (ctx->f_rname)
1188 			mb_put_mem(mbp, ctx->f_rname, strlen(ctx->f_rname) + 1, MB_MSYSTEM);
1189 		else
1190 			mb_put_uint8(mbp, 0);	/* resume file name */
1191 #if 0
1192 	struct timeval tv;
1193 	tv.tv_sec = 0;
1194 	tv.tv_usec = 200 * 1000;	/* 200ms */
1195 		if (vcp->vc_flags & SMBC_WIN95) {
1196 			/*
1197 			 * some implementations suggests to sleep here
1198 			 * for 200ms, due to the bug in the Win95.
1199 			 * I've didn't notice any problem, but put code
1200 			 * for it.
1201 			 */
1202 			 pause("fix95", tvtohz(&tv));
1203 		}
1204 #endif
1205 	}
1206 	t2p->t2_maxpcount = 5 * 2;
1207 	t2p->t2_maxdcount = vcp->vc_txmax;
1208 	error = smb_t2_request(t2p);
1209 	if (error)
1210 		return error;
1211 	mdp = &t2p->t2_rparam;
1212 	if (ctx->f_flags & SMBFS_RDD_FINDFIRST) {
1213 		if ((error = md_get_uint16(mdp, &ctx->f_Sid)) != 0)
1214 			return error;
1215 		ctx->f_flags &= ~SMBFS_RDD_FINDFIRST;
1216 	}
1217 	if ((error = md_get_uint16le(mdp, &tw)) != 0)
1218 		return error;
1219 	ctx->f_ecnt = tw;
1220 	if ((error = md_get_uint16le(mdp, &tw)) != 0)
1221 		return error;
1222 	if (tw)
1223 		ctx->f_flags |= SMBFS_RDD_EOF | SMBFS_RDD_NOCLOSE;
1224 	if ((error = md_get_uint16le(mdp, &tw)) != 0)
1225 		return error;
1226 	if ((error = md_get_uint16le(mdp, &tw)) != 0)
1227 		return error;
1228 	if (ctx->f_ecnt == 0) {
1229 		ctx->f_flags |= SMBFS_RDD_EOF | SMBFS_RDD_NOCLOSE;
1230 		return ENOENT;
1231 	}
1232 	ctx->f_rnameofs = tw;
1233 	mdp = &t2p->t2_rdata;
1234 	if (mdp->md_top == NULL) {
1235 		printf("bug: ecnt = %d, but data is NULL (please report)\n", ctx->f_ecnt);
1236 		return ENOENT;
1237 	}
1238 	if (mdp->md_top->m_len == 0) {
1239 		printf("bug: ecnt = %d, but m_len = 0 and m_next = %p (please report)\n", ctx->f_ecnt,mbp->mb_top->m_next);
1240 		return ENOENT;
1241 	}
1242 	ctx->f_eofs = 0;
1243 	return 0;
1244 }
1245 
1246 static int
1247 smbfs_smb_findclose2(struct smbfs_fctx *ctx)
1248 {
1249 	struct smb_rq rq, *rqp = &rq;
1250 	struct mbchain *mbp;
1251 	int error;
1252 
1253 	error = smb_rq_init(rqp, SSTOCP(ctx->f_ssp), SMB_COM_FIND_CLOSE2, ctx->f_scred);
1254 	if (error)
1255 		return error;
1256 	smb_rq_getrequest(rqp, &mbp);
1257 	smb_rq_wstart(rqp);
1258 	mb_put_mem(mbp, (caddr_t)&ctx->f_Sid, 2, MB_MSYSTEM);
1259 	smb_rq_wend(rqp);
1260 	smb_rq_bstart(rqp);
1261 	smb_rq_bend(rqp);
1262 	error = smb_rq_simple(rqp);
1263 	smb_rq_done(rqp);
1264 	return error;
1265 }
1266 
1267 static int
1268 smbfs_findopenLM2(struct smbfs_fctx *ctx, struct smbnode *dnp,
1269 	const char *wildcard, int wclen, int attr, struct smb_cred *scred)
1270 {
1271 	ctx->f_name = malloc(SMB_MAXFNAMELEN, M_SMBFSDATA, M_WAITOK);
1272 	if (ctx->f_name == NULL)
1273 		return ENOMEM;
1274 	ctx->f_infolevel = SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_NTLM0_12 ?
1275 	    SMB_INFO_STANDARD : SMB_FIND_FILE_DIRECTORY_INFO;
1276 	ctx->f_attrmask = attr;
1277 	ctx->f_wildcard = wildcard;
1278 	ctx->f_wclen = wclen;
1279 	return 0;
1280 }
1281 
1282 static int
1283 smbfs_findnextLM2(struct smbfs_fctx *ctx, int limit)
1284 {
1285 	struct mdchain *mbp;
1286 	struct smb_t2rq *t2p;
1287 	char *cp;
1288 	u_int8_t tb;
1289 	u_int16_t date, time, wattr;
1290 	u_int32_t size, next, dattr;
1291 	int64_t lint;
1292 	int error, svtz, cnt, fxsz, nmlen, recsz;
1293 
1294 	if (ctx->f_ecnt == 0) {
1295 		if (ctx->f_flags & SMBFS_RDD_EOF)
1296 			return ENOENT;
1297 		ctx->f_left = ctx->f_limit = limit;
1298 		error = smbfs_smb_trans2find2(ctx);
1299 		if (error)
1300 			return error;
1301 	}
1302 	t2p = ctx->f_t2;
1303 	mbp = &t2p->t2_rdata;
1304 	svtz = SSTOVC(ctx->f_ssp)->vc_sopt.sv_tz;
1305 	switch (ctx->f_infolevel) {
1306 	    case SMB_INFO_STANDARD:
1307 		next = 0;
1308 		fxsz = 0;
1309 		md_get_uint16le(mbp, &date);
1310 		md_get_uint16le(mbp, &time);	/* creation time */
1311 		md_get_uint16le(mbp, &date);
1312 		md_get_uint16le(mbp, &time);	/* access time */
1313 		smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_atime);
1314 		md_get_uint16le(mbp, &date);
1315 		md_get_uint16le(mbp, &time);	/* access time */
1316 		smb_dos2unixtime(date, time, 0, svtz, &ctx->f_attr.fa_mtime);
1317 		md_get_uint32le(mbp, &size);
1318 		ctx->f_attr.fa_size = size;
1319 		md_get_uint32(mbp, NULL);	/* allocation size */
1320 		md_get_uint16le(mbp, &wattr);
1321 		ctx->f_attr.fa_attr = wattr;
1322 		md_get_uint8(mbp, &tb);
1323 		size = nmlen = tb;
1324 		fxsz = 23;
1325 		recsz = next = 24 + nmlen;	/* docs misses zero byte at end */
1326 		break;
1327 	    case SMB_FIND_FILE_DIRECTORY_INFO:
1328 		md_get_uint32le(mbp, &next);
1329 		md_get_uint32(mbp, NULL);	/* file index */
1330 		md_get_int64(mbp, NULL);	/* creation time */
1331 		md_get_int64le(mbp, &lint);
1332 		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_atime);
1333 		md_get_int64le(mbp, &lint);
1334 		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_mtime);
1335 		md_get_int64le(mbp, &lint);
1336 		smb_time_NT2local(lint, svtz, &ctx->f_attr.fa_ctime);
1337 		md_get_int64le(mbp, &lint);	/* file size */
1338 		ctx->f_attr.fa_size = lint;
1339 		md_get_int64(mbp, NULL);	/* real size (should use) */
1340 		md_get_uint32le(mbp, &dattr);	/* EA */
1341 		ctx->f_attr.fa_attr = dattr;
1342 		md_get_uint32le(mbp, &size);	/* name len */
1343 		fxsz = 64;
1344 		recsz = next ? next : fxsz + size;
1345 		break;
1346 	    default:
1347 		SMBERROR("unexpected info level %d\n", ctx->f_infolevel);
1348 		return EINVAL;
1349 	}
1350 	nmlen = min(size, SMB_MAXFNAMELEN);
1351 	cp = ctx->f_name;
1352 	error = md_get_mem(mbp, cp, nmlen, MB_MSYSTEM);
1353 	if (error)
1354 		return error;
1355 	if (next) {
1356 		cnt = next - nmlen - fxsz;
1357 		if (cnt > 0)
1358 			md_get_mem(mbp, NULL, cnt, MB_MSYSTEM);
1359 		else if (cnt < 0) {
1360 			SMBERROR("out of sync\n");
1361 			return EBADRPC;
1362 		}
1363 	}
1364 	if (nmlen && cp[nmlen - 1] == 0)
1365 		nmlen--;
1366 	if (nmlen == 0)
1367 		return EBADRPC;
1368 
1369 	next = ctx->f_eofs + recsz;
1370 	if (ctx->f_rnameofs && (ctx->f_flags & SMBFS_RDD_GOTRNAME) == 0 &&
1371 	    (ctx->f_rnameofs >= ctx->f_eofs && ctx->f_rnameofs < next)) {
1372 		/*
1373 		 * Server needs a resume filename.
1374 		 */
1375 		if (ctx->f_rnamelen <= nmlen) {
1376 			if (ctx->f_rname)
1377 				free(ctx->f_rname, M_SMBFSDATA);
1378 			ctx->f_rname = malloc(nmlen + 1, M_SMBFSDATA, M_WAITOK);
1379 			ctx->f_rnamelen = nmlen;
1380 		}
1381 		bcopy(ctx->f_name, ctx->f_rname, nmlen);
1382 		ctx->f_rname[nmlen] = 0;
1383 		ctx->f_flags |= SMBFS_RDD_GOTRNAME;
1384 	}
1385 	ctx->f_nmlen = nmlen;
1386 	ctx->f_eofs = next;
1387 	ctx->f_ecnt--;
1388 	ctx->f_left--;
1389 	return 0;
1390 }
1391 
1392 static int
1393 smbfs_findcloseLM2(struct smbfs_fctx *ctx)
1394 {
1395 	if (ctx->f_name)
1396 		free(ctx->f_name, M_SMBFSDATA);
1397 	if (ctx->f_t2)
1398 		smb_t2_done(ctx->f_t2);
1399 	if ((ctx->f_flags & SMBFS_RDD_NOCLOSE) == 0)
1400 		smbfs_smb_findclose2(ctx);
1401 	return 0;
1402 }
1403 
1404 int
1405 smbfs_findopen(struct smbnode *dnp, const char *wildcard, int wclen, int attr,
1406 	struct smb_cred *scred, struct smbfs_fctx **ctxpp)
1407 {
1408 	struct smbfs_fctx *ctx;
1409 	int error;
1410 
1411 	ctx = malloc(sizeof(*ctx), M_SMBFSDATA, M_WAITOK);
1412 	if (ctx == NULL)
1413 		return ENOMEM;
1414 	bzero(ctx, sizeof(*ctx));
1415 	ctx->f_ssp = dnp->n_mount->sm_share;
1416 	ctx->f_dnp = dnp;
1417 	ctx->f_flags = SMBFS_RDD_FINDFIRST;
1418 	ctx->f_scred = scred;
1419 	if (SMB_DIALECT(SSTOVC(ctx->f_ssp)) < SMB_DIALECT_LANMAN2_0 ||
1420 	    (dnp->n_mount->sm_flags & SMBFS_MOUNT_NO_LONG)) {
1421 		ctx->f_flags |= SMBFS_RDD_USESEARCH;
1422 		error = smbfs_findopenLM1(ctx, dnp, wildcard, wclen, attr, scred);
1423 	} else
1424 		error = smbfs_findopenLM2(ctx, dnp, wildcard, wclen, attr, scred);
1425 	if (error)
1426 		smbfs_findclose(ctx, scred);
1427 	else
1428 		*ctxpp = ctx;
1429 	return error;
1430 }
1431 
1432 int
1433 smbfs_findnext(struct smbfs_fctx *ctx, int limit, struct smb_cred *scred)
1434 {
1435 	int error;
1436 
1437 	if (limit == 0)
1438 		limit = 1000000;
1439 	else if (limit > 1)
1440 		limit *= 4;	/* imperical */
1441 	ctx->f_scred = scred;
1442 	for (;;) {
1443 		if (ctx->f_flags & SMBFS_RDD_USESEARCH) {
1444 			error = smbfs_findnextLM1(ctx, limit);
1445 		} else
1446 			error = smbfs_findnextLM2(ctx, limit);
1447 		if (error)
1448 			return error;
1449 		if ((ctx->f_nmlen == 1 && ctx->f_name[0] == '.') ||
1450 		    (ctx->f_nmlen == 2 && ctx->f_name[0] == '.' &&
1451 		     ctx->f_name[1] == '.'))
1452 			continue;
1453 		break;
1454 	}
1455 	smbfs_fname_tolocal(SSTOVC(ctx->f_ssp), ctx->f_name, &ctx->f_nmlen,
1456 			    ctx->f_dnp->n_mount->sm_caseopt);
1457 	ctx->f_attr.fa_ino = smbfs_getino(ctx->f_dnp, ctx->f_name, ctx->f_nmlen);
1458 	return 0;
1459 }
1460 
1461 int
1462 smbfs_findclose(struct smbfs_fctx *ctx, struct smb_cred *scred)
1463 {
1464 	ctx->f_scred = scred;
1465 	if (ctx->f_flags & SMBFS_RDD_USESEARCH) {
1466 		smbfs_findcloseLM1(ctx);
1467 	} else
1468 		smbfs_findcloseLM2(ctx);
1469 	if (ctx->f_rname)
1470 		free(ctx->f_rname, M_SMBFSDATA);
1471 	free(ctx, M_SMBFSDATA);
1472 	return 0;
1473 }
1474 
1475 int
1476 smbfs_smb_lookup(struct smbnode *dnp, const char *name, int nmlen,
1477 	struct smbfattr *fap, struct smb_cred *scred)
1478 {
1479 	struct smbfs_fctx *ctx;
1480 	int error;
1481 
1482 	if (dnp == NULL || (dnp->n_ino == 2 && name == NULL)) {
1483 		bzero(fap, sizeof(*fap));
1484 		fap->fa_attr = SMB_FA_DIR;
1485 		fap->fa_ino = 2;
1486 		return 0;
1487 	}
1488 	if (nmlen == 1 && name[0] == '.') {
1489 		error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1490 		return error;
1491 	} else if (nmlen == 2 && name[0] == '.' && name[1] == '.') {
1492 		error = smbfs_smb_lookup(VTOSMB(dnp->n_parent), NULL, 0, fap,
1493 		    scred);
1494 		printf("%s: knows NOTHING about '..'\n", __func__);
1495 		return error;
1496 	}
1497 	error = smbfs_findopen(dnp, name, nmlen,
1498 	    SMB_FA_SYSTEM | SMB_FA_HIDDEN | SMB_FA_DIR, scred, &ctx);
1499 	if (error)
1500 		return error;
1501 	ctx->f_flags |= SMBFS_RDD_FINDSINGLE;
1502 	error = smbfs_findnext(ctx, 1, scred);
1503 	if (error == 0) {
1504 		*fap = ctx->f_attr;
1505 		if (name == NULL)
1506 			fap->fa_ino = dnp->n_ino;
1507 	}
1508 	smbfs_findclose(ctx, scred);
1509 	return error;
1510 }
1511