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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28#include <sys/param.h>
29#include <sys/systm.h>
30#include <sys/namei.h>
31#include <sys/kernel.h>
32#include <sys/proc.h>
33#include <sys/bio.h>
34#include <sys/buf.h>
35#include <sys/fcntl.h>
36#include <sys/mount.h>
37#include <sys/unistd.h>
38#include <sys/vnode.h>
39#include <sys/limits.h>
40#include <sys/lockf.h>
41#include <sys/stat.h>
42
43#include <vm/vm.h>
44#include <vm/vm_extern.h>
45
46
47#include <netsmb/smb.h>
48#include <netsmb/smb_conn.h>
49#include <netsmb/smb_subr.h>
50
51#include <fs/smbfs/smbfs.h>
52#include <fs/smbfs/smbfs_node.h>
53#include <fs/smbfs/smbfs_subr.h>
54
55/*
56 * Prototypes for SMBFS vnode operations
57 */
58static vop_create_t	smbfs_create;
59static vop_mknod_t	smbfs_mknod;
60static vop_open_t	smbfs_open;
61static vop_close_t	smbfs_close;
62static vop_access_t	smbfs_access;
63static vop_getattr_t	smbfs_getattr;
64static vop_setattr_t	smbfs_setattr;
65static vop_read_t	smbfs_read;
66static vop_write_t	smbfs_write;
67static vop_fsync_t	smbfs_fsync;
68static vop_remove_t	smbfs_remove;
69static vop_link_t	smbfs_link;
70static vop_lookup_t	smbfs_lookup;
71static vop_rename_t	smbfs_rename;
72static vop_mkdir_t	smbfs_mkdir;
73static vop_rmdir_t	smbfs_rmdir;
74static vop_symlink_t	smbfs_symlink;
75static vop_readdir_t	smbfs_readdir;
76static vop_strategy_t	smbfs_strategy;
77static vop_print_t	smbfs_print;
78static vop_pathconf_t	smbfs_pathconf;
79static vop_advlock_t	smbfs_advlock;
80static vop_getextattr_t	smbfs_getextattr;
81
82struct vop_vector smbfs_vnodeops = {
83	.vop_default =		&default_vnodeops,
84
85	.vop_access =		smbfs_access,
86	.vop_advlock =		smbfs_advlock,
87	.vop_close =		smbfs_close,
88	.vop_create =		smbfs_create,
89	.vop_fsync =		smbfs_fsync,
90	.vop_getattr =		smbfs_getattr,
91	.vop_getextattr = 	smbfs_getextattr,
92	.vop_getpages =		smbfs_getpages,
93	.vop_inactive =		smbfs_inactive,
94	.vop_ioctl =		smbfs_ioctl,
95	.vop_link =		smbfs_link,
96	.vop_lookup =		smbfs_lookup,
97	.vop_mkdir =		smbfs_mkdir,
98	.vop_mknod =		smbfs_mknod,
99	.vop_open =		smbfs_open,
100	.vop_pathconf =		smbfs_pathconf,
101	.vop_print =		smbfs_print,
102	.vop_putpages =		smbfs_putpages,
103	.vop_read =		smbfs_read,
104	.vop_readdir =		smbfs_readdir,
105	.vop_reclaim =		smbfs_reclaim,
106	.vop_remove =		smbfs_remove,
107	.vop_rename =		smbfs_rename,
108	.vop_rmdir =		smbfs_rmdir,
109	.vop_setattr =		smbfs_setattr,
110/*	.vop_setextattr =	smbfs_setextattr,*/
111	.vop_strategy =		smbfs_strategy,
112	.vop_symlink =		smbfs_symlink,
113	.vop_write =		smbfs_write,
114};
115
116static int
117smbfs_access(ap)
118	struct vop_access_args /* {
119		struct vnode *a_vp;
120		accmode_t a_accmode;
121		struct ucred *a_cred;
122		struct thread *a_td;
123	} */ *ap;
124{
125	struct vnode *vp = ap->a_vp;
126	accmode_t accmode = ap->a_accmode;
127	mode_t mpmode;
128	struct smbmount *smp = VTOSMBFS(vp);
129
130	SMBVDEBUG("\n");
131	if ((accmode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
132		switch (vp->v_type) {
133		    case VREG: case VDIR: case VLNK:
134			return EROFS;
135		    default:
136			break;
137		}
138	}
139	mpmode = vp->v_type == VREG ? smp->sm_file_mode : smp->sm_dir_mode;
140	return (vaccess(vp->v_type, mpmode, smp->sm_uid,
141	    smp->sm_gid, ap->a_accmode, ap->a_cred, NULL));
142}
143
144/* ARGSUSED */
145static int
146smbfs_open(ap)
147	struct vop_open_args /* {
148		struct vnode *a_vp;
149		int  a_mode;
150		struct ucred *a_cred;
151		struct thread *a_td;
152	} */ *ap;
153{
154	struct vnode *vp = ap->a_vp;
155	struct smbnode *np = VTOSMB(vp);
156	struct smb_cred *scred;
157	struct vattr vattr;
158	int mode = ap->a_mode;
159	int error, accmode;
160
161	SMBVDEBUG("%s,%d\n", np->n_name, (np->n_flag & NOPEN) != 0);
162	if (vp->v_type != VREG && vp->v_type != VDIR) {
163		SMBFSERR("open eacces vtype=%d\n", vp->v_type);
164		return EACCES;
165	}
166	if (vp->v_type == VDIR) {
167		np->n_flag |= NOPEN;
168		return 0;
169	}
170	if (np->n_flag & NMODIFIED) {
171		if ((error = smbfs_vinvalbuf(vp, ap->a_td)) == EINTR)
172			return error;
173		smbfs_attr_cacheremove(vp);
174		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
175		if (error)
176			return error;
177		np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
178	} else {
179		error = VOP_GETATTR(vp, &vattr, ap->a_cred);
180		if (error)
181			return error;
182		if (np->n_mtime.tv_sec != vattr.va_mtime.tv_sec) {
183			error = smbfs_vinvalbuf(vp, ap->a_td);
184			if (error == EINTR)
185				return error;
186			np->n_mtime.tv_sec = vattr.va_mtime.tv_sec;
187		}
188	}
189	if ((np->n_flag & NOPEN) != 0)
190		return 0;
191	/*
192	 * Use DENYNONE to give unixy semantics of permitting
193	 * everything not forbidden by permissions.  Ie denial
194	 * is up to server with clients/openers needing to use
195	 * advisory locks for further control.
196	 */
197	accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
198	if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
199		accmode = SMB_SM_DENYNONE|SMB_AM_OPENRW;
200	scred = smbfs_malloc_scred();
201	smb_makescred(scred, ap->a_td, ap->a_cred);
202	error = smbfs_smb_open(np, accmode, scred);
203	if (error) {
204		if (mode & FWRITE)
205			return EACCES;
206		else if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) {
207			accmode = SMB_SM_DENYNONE|SMB_AM_OPENREAD;
208			error = smbfs_smb_open(np, accmode, scred);
209		}
210	}
211	if (error == 0) {
212		np->n_flag |= NOPEN;
213		vnode_create_vobject(ap->a_vp, vattr.va_size, ap->a_td);
214	}
215	smbfs_attr_cacheremove(vp);
216	smbfs_free_scred(scred);
217	return error;
218}
219
220static int
221smbfs_close(ap)
222	struct vop_close_args /* {
223		struct vnodeop_desc *a_desc;
224		struct vnode *a_vp;
225		int  a_fflag;
226		struct ucred *a_cred;
227		struct thread *a_td;
228	} */ *ap;
229{
230	struct vnode *vp = ap->a_vp;
231	struct thread *td = ap->a_td;
232	struct smbnode *np = VTOSMB(vp);
233	struct smb_cred *scred;
234
235	if (vp->v_type == VDIR && (np->n_flag & NOPEN) != 0 &&
236	    np->n_dirseq != NULL) {
237		scred = smbfs_malloc_scred();
238		smb_makescred(scred, td, ap->a_cred);
239		smbfs_findclose(np->n_dirseq, scred);
240		smbfs_free_scred(scred);
241		np->n_dirseq = NULL;
242	}
243	return 0;
244}
245
246/*
247 * smbfs_getattr call from vfs.
248 */
249static int
250smbfs_getattr(ap)
251	struct vop_getattr_args /* {
252		struct vnode *a_vp;
253		struct vattr *a_vap;
254		struct ucred *a_cred;
255	} */ *ap;
256{
257	struct vnode *vp = ap->a_vp;
258	struct smbnode *np = VTOSMB(vp);
259	struct vattr *va=ap->a_vap;
260	struct smbfattr fattr;
261	struct smb_cred *scred;
262	u_quad_t oldsize;
263	int error;
264
265	SMBVDEBUG("%lx: '%s' %d\n", (long)vp, np->n_name, (vp->v_vflag & VV_ROOT) != 0);
266	error = smbfs_attr_cachelookup(vp, va);
267	if (!error)
268		return 0;
269	SMBVDEBUG("not in the cache\n");
270	scred = smbfs_malloc_scred();
271	smb_makescred(scred, curthread, ap->a_cred);
272	oldsize = np->n_size;
273	error = smbfs_smb_lookup(np, NULL, 0, &fattr, scred);
274	if (error) {
275		SMBVDEBUG("error %d\n", error);
276		smbfs_free_scred(scred);
277		return error;
278	}
279	smbfs_attr_cacheenter(vp, &fattr);
280	smbfs_attr_cachelookup(vp, va);
281	if (np->n_flag & NOPEN)
282		np->n_size = oldsize;
283		smbfs_free_scred(scred);
284	return 0;
285}
286
287static int
288smbfs_setattr(ap)
289	struct vop_setattr_args /* {
290		struct vnode *a_vp;
291		struct vattr *a_vap;
292		struct ucred *a_cred;
293	} */ *ap;
294{
295	struct vnode *vp = ap->a_vp;
296	struct smbnode *np = VTOSMB(vp);
297	struct vattr *vap = ap->a_vap;
298	struct timespec *mtime, *atime;
299	struct smb_cred *scred;
300	struct smb_share *ssp = np->n_mount->sm_share;
301	struct smb_vc *vcp = SSTOVC(ssp);
302	struct thread *td = curthread;
303	u_quad_t tsize = 0;
304	int isreadonly, doclose, error = 0;
305	int old_n_dosattr;
306
307	SMBVDEBUG("\n");
308	isreadonly = (vp->v_mount->mnt_flag & MNT_RDONLY);
309	/*
310	 * Disallow write attempts if the filesystem is mounted read-only.
311	 */
312  	if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
313	     vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
314	     vap->va_mode != (mode_t)VNOVAL || vap->va_flags != VNOVAL) &&
315	     isreadonly)
316		return EROFS;
317
318	/*
319	 * We only support setting four flags.  Don't allow setting others.
320	 *
321	 * We map UF_READONLY to SMB_FA_RDONLY, unlike the MacOS X version
322	 * of this code, which maps both UF_IMMUTABLE AND SF_IMMUTABLE to
323	 * SMB_FA_RDONLY.  The immutable flags have different semantics
324	 * than readonly, which is the reason for the difference.
325	 */
326	if (vap->va_flags != VNOVAL) {
327		if (vap->va_flags & ~(UF_HIDDEN|UF_SYSTEM|UF_ARCHIVE|
328				      UF_READONLY))
329			return EINVAL;
330	}
331
332	scred = smbfs_malloc_scred();
333	smb_makescred(scred, td, ap->a_cred);
334	if (vap->va_size != VNOVAL) {
335 		switch (vp->v_type) {
336 		    case VDIR:
337 			error = EISDIR;
338			goto out;
339 		    case VREG:
340			break;
341 		    default:
342			error = EINVAL;
343			goto out;
344  		};
345		if (isreadonly) {
346			error = EROFS;
347			goto out;
348		}
349		doclose = 0;
350		vnode_pager_setsize(vp, (u_long)vap->va_size);
351 		tsize = np->n_size;
352 		np->n_size = vap->va_size;
353		if ((np->n_flag & NOPEN) == 0) {
354			error = smbfs_smb_open(np,
355					       SMB_SM_DENYNONE|SMB_AM_OPENRW,
356					       scred);
357			if (error == 0)
358				doclose = 1;
359		}
360		if (error == 0)
361			error = smbfs_smb_setfsize(np, vap->va_size, scred);
362		if (doclose)
363			smbfs_smb_close(ssp, np->n_fid, NULL, scred);
364		if (error) {
365			np->n_size = tsize;
366			vnode_pager_setsize(vp, (u_long)tsize);
367			goto out;
368		}
369  	}
370	if ((vap->va_flags != VNOVAL) || (vap->va_mode != (mode_t)VNOVAL)) {
371		old_n_dosattr = np->n_dosattr;
372
373		if (vap->va_mode != (mode_t)VNOVAL) {
374			if (vap->va_mode & S_IWUSR)
375				np->n_dosattr &= ~SMB_FA_RDONLY;
376			else
377				np->n_dosattr |= SMB_FA_RDONLY;
378		}
379
380		if (vap->va_flags != VNOVAL) {
381			if (vap->va_flags & UF_HIDDEN)
382				np->n_dosattr |= SMB_FA_HIDDEN;
383			else
384				np->n_dosattr &= ~SMB_FA_HIDDEN;
385
386			if (vap->va_flags & UF_SYSTEM)
387				np->n_dosattr |= SMB_FA_SYSTEM;
388			else
389				np->n_dosattr &= ~SMB_FA_SYSTEM;
390
391			if (vap->va_flags & UF_ARCHIVE)
392				np->n_dosattr |= SMB_FA_ARCHIVE;
393			else
394				np->n_dosattr &= ~SMB_FA_ARCHIVE;
395
396			/*
397			 * We only support setting the immutable / readonly
398			 * bit for regular files.  According to comments in
399			 * the MacOS X version of this code, supporting the
400			 * readonly bit on directories doesn't do the same
401			 * thing in Windows as in Unix.
402			 */
403			if (vp->v_type == VREG) {
404				if (vap->va_flags & UF_READONLY)
405					np->n_dosattr |= SMB_FA_RDONLY;
406				else
407					np->n_dosattr &= ~SMB_FA_RDONLY;
408			}
409		}
410
411		if (np->n_dosattr != old_n_dosattr) {
412			error = smbfs_smb_setpattr(np, np->n_dosattr, NULL, scred);
413			if (error)
414				goto out;
415		}
416	}
417	mtime = atime = NULL;
418	if (vap->va_mtime.tv_sec != VNOVAL)
419		mtime = &vap->va_mtime;
420	if (vap->va_atime.tv_sec != VNOVAL)
421		atime = &vap->va_atime;
422	if (mtime != atime) {
423		if (vap->va_vaflags & VA_UTIMES_NULL) {
424			error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
425			if (error)
426				error = VOP_ACCESS(vp, VWRITE, ap->a_cred, td);
427		} else
428			error = VOP_ACCESS(vp, VADMIN, ap->a_cred, td);
429#if 0
430		if (mtime == NULL)
431			mtime = &np->n_mtime;
432		if (atime == NULL)
433			atime = &np->n_atime;
434#endif
435		/*
436		 * If file is opened, then we can use handle based calls.
437		 * If not, use path based ones.
438		 */
439		if ((np->n_flag & NOPEN) == 0) {
440			if (vcp->vc_flags & SMBV_WIN95) {
441				error = VOP_OPEN(vp, FWRITE, ap->a_cred, td,
442				    NULL);
443				if (!error) {
444/*					error = smbfs_smb_setfattrNT(np, 0,
445					    mtime, atime, scred);
446					VOP_GETATTR(vp, &vattr, ap->a_cred); */
447					if (mtime)
448						np->n_mtime = *mtime;
449					VOP_CLOSE(vp, FWRITE, ap->a_cred, td);
450				}
451			} else if ((vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS)) {
452				error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
453/*				error = smbfs_smb_setpattrNT(np, 0, mtime, atime, scred);*/
454			} else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN2_0) {
455				error = smbfs_smb_setptime2(np, mtime, atime, 0, scred);
456			} else {
457				error = smbfs_smb_setpattr(np, 0, mtime, scred);
458			}
459		} else {
460			if (vcp->vc_sopt.sv_caps & SMB_CAP_NT_SMBS) {
461				error = smbfs_smb_setfattrNT(np, 0, mtime, atime, scred);
462			} else if (SMB_DIALECT(vcp) >= SMB_DIALECT_LANMAN1_0) {
463				error = smbfs_smb_setftime(np, mtime, atime, scred);
464			} else {
465				/*
466				 * I have no idea how to handle this for core
467				 * level servers. The possible solution is to
468				 * update mtime after file is closed.
469				 */
470				 SMBERROR("can't update times on an opened file\n");
471			}
472		}
473	}
474	/*
475	 * Invalidate attribute cache in case if server doesn't set
476	 * required attributes.
477	 */
478	smbfs_attr_cacheremove(vp);	/* invalidate cache */
479	VOP_GETATTR(vp, vap, ap->a_cred);
480	np->n_mtime.tv_sec = vap->va_mtime.tv_sec;
481out:
482	smbfs_free_scred(scred);
483	return error;
484}
485/*
486 * smbfs_read call.
487 */
488static int
489smbfs_read(ap)
490	struct vop_read_args /* {
491		struct vnode *a_vp;
492		struct uio *a_uio;
493		int  a_ioflag;
494		struct ucred *a_cred;
495	} */ *ap;
496{
497	struct vnode *vp = ap->a_vp;
498	struct uio *uio = ap->a_uio;
499
500	SMBVDEBUG("\n");
501	if (vp->v_type != VREG && vp->v_type != VDIR)
502		return EPERM;
503	return smbfs_readvnode(vp, uio, ap->a_cred);
504}
505
506static int
507smbfs_write(ap)
508	struct vop_write_args /* {
509		struct vnode *a_vp;
510		struct uio *a_uio;
511		int  a_ioflag;
512		struct ucred *a_cred;
513	} */ *ap;
514{
515	struct vnode *vp = ap->a_vp;
516	struct uio *uio = ap->a_uio;
517
518	SMBVDEBUG("%d,ofs=%jd,sz=%zd\n",vp->v_type, (intmax_t)uio->uio_offset,
519	    uio->uio_resid);
520	if (vp->v_type != VREG)
521		return (EPERM);
522	return smbfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
523}
524/*
525 * smbfs_create call
526 * Create a regular file. On entry the directory to contain the file being
527 * created is locked.  We must release before we return. We must also free
528 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
529 * only if the SAVESTART bit in cn_flags is clear on success.
530 */
531static int
532smbfs_create(ap)
533	struct vop_create_args /* {
534		struct vnode *a_dvp;
535		struct vnode **a_vpp;
536		struct componentname *a_cnp;
537		struct vattr *a_vap;
538	} */ *ap;
539{
540	struct vnode *dvp = ap->a_dvp;
541	struct vattr *vap = ap->a_vap;
542	struct vnode **vpp=ap->a_vpp;
543	struct componentname *cnp = ap->a_cnp;
544	struct smbnode *dnp = VTOSMB(dvp);
545	struct vnode *vp;
546	struct vattr vattr;
547	struct smbfattr fattr;
548	struct smb_cred *scred;
549	char *name = cnp->cn_nameptr;
550	int nmlen = cnp->cn_namelen;
551	int error;
552
553
554	SMBVDEBUG("\n");
555	*vpp = NULL;
556	if (vap->va_type != VREG)
557		return EOPNOTSUPP;
558	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred)))
559		return error;
560	scred = smbfs_malloc_scred();
561	smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
562
563	error = smbfs_smb_create(dnp, name, nmlen, scred);
564	if (error)
565		goto out;
566	error = smbfs_smb_lookup(dnp, name, nmlen, &fattr, scred);
567	if (error)
568		goto out;
569	error = smbfs_nget(VTOVFS(dvp), dvp, name, nmlen, &fattr, &vp);
570	if (error)
571		goto out;
572	*vpp = vp;
573	if (cnp->cn_flags & MAKEENTRY)
574		cache_enter(dvp, vp, cnp);
575out:
576	smbfs_free_scred(scred);
577	return error;
578}
579
580static int
581smbfs_remove(ap)
582	struct vop_remove_args /* {
583		struct vnodeop_desc *a_desc;
584		struct vnode * a_dvp;
585		struct vnode * a_vp;
586		struct componentname * a_cnp;
587	} */ *ap;
588{
589	struct vnode *vp = ap->a_vp;
590/*	struct vnode *dvp = ap->a_dvp;*/
591	struct componentname *cnp = ap->a_cnp;
592	struct smbnode *np = VTOSMB(vp);
593	struct smb_cred *scred;
594	int error;
595
596	if (vp->v_type == VDIR || (np->n_flag & NOPEN) != 0 || vrefcnt(vp) != 1)
597		return EPERM;
598	scred = smbfs_malloc_scred();
599	smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
600	error = smbfs_smb_delete(np, scred);
601	if (error == 0)
602		np->n_flag |= NGONE;
603	cache_purge(vp);
604	smbfs_free_scred(scred);
605	return error;
606}
607
608/*
609 * smbfs_file rename call
610 */
611static int
612smbfs_rename(ap)
613	struct vop_rename_args  /* {
614		struct vnode *a_fdvp;
615		struct vnode *a_fvp;
616		struct componentname *a_fcnp;
617		struct vnode *a_tdvp;
618		struct vnode *a_tvp;
619		struct componentname *a_tcnp;
620	} */ *ap;
621{
622	struct vnode *fvp = ap->a_fvp;
623	struct vnode *tvp = ap->a_tvp;
624	struct vnode *fdvp = ap->a_fdvp;
625	struct vnode *tdvp = ap->a_tdvp;
626	struct componentname *tcnp = ap->a_tcnp;
627/*	struct componentname *fcnp = ap->a_fcnp;*/
628	struct smb_cred *scred;
629	u_int16_t flags = 6;
630	int error=0;
631
632	scred = NULL;
633	/* Check for cross-device rename */
634	if ((fvp->v_mount != tdvp->v_mount) ||
635	    (tvp && (fvp->v_mount != tvp->v_mount))) {
636		error = EXDEV;
637		goto out;
638	}
639
640	if (tvp && vrefcnt(tvp) > 1) {
641		error = EBUSY;
642		goto out;
643	}
644	flags = 0x10;			/* verify all writes */
645	if (fvp->v_type == VDIR) {
646		flags |= 2;
647	} else if (fvp->v_type == VREG) {
648		flags |= 1;
649	} else {
650		return EINVAL;
651	}
652	scred = smbfs_malloc_scred();
653	smb_makescred(scred, tcnp->cn_thread, tcnp->cn_cred);
654	/*
655	 * It seems that Samba doesn't implement SMB_COM_MOVE call...
656	 */
657#ifdef notnow
658	if (SMB_DIALECT(SSTOCN(smp->sm_share)) >= SMB_DIALECT_LANMAN1_0) {
659		error = smbfs_smb_move(VTOSMB(fvp), VTOSMB(tdvp),
660		    tcnp->cn_nameptr, tcnp->cn_namelen, flags, scred);
661	} else
662#endif
663	{
664		/*
665		 * We have to do the work atomicaly
666		 */
667		if (tvp && tvp != fvp) {
668			error = smbfs_smb_delete(VTOSMB(tvp), scred);
669			if (error)
670				goto out_cacherem;
671			VTOSMB(fvp)->n_flag |= NGONE;
672		}
673		error = smbfs_smb_rename(VTOSMB(fvp), VTOSMB(tdvp),
674		    tcnp->cn_nameptr, tcnp->cn_namelen, scred);
675	}
676
677	if (fvp->v_type == VDIR) {
678		if (tvp != NULL && tvp->v_type == VDIR)
679			cache_purge(tdvp);
680		cache_purge(fdvp);
681	}
682
683out_cacherem:
684	smbfs_attr_cacheremove(fdvp);
685	smbfs_attr_cacheremove(tdvp);
686out:
687	smbfs_free_scred(scred);
688	if (tdvp == tvp)
689		vrele(tdvp);
690	else
691		vput(tdvp);
692	if (tvp)
693		vput(tvp);
694	vrele(fdvp);
695	vrele(fvp);
696#ifdef possible_mistake
697	vgone(fvp);
698	if (tvp)
699		vgone(tvp);
700#endif
701	return error;
702}
703
704/*
705 * somtime it will come true...
706 */
707static int
708smbfs_link(ap)
709	struct vop_link_args /* {
710		struct vnode *a_tdvp;
711		struct vnode *a_vp;
712		struct componentname *a_cnp;
713	} */ *ap;
714{
715	return EOPNOTSUPP;
716}
717
718/*
719 * smbfs_symlink link create call.
720 * Sometime it will be functional...
721 */
722static int
723smbfs_symlink(ap)
724	struct vop_symlink_args /* {
725		struct vnode *a_dvp;
726		struct vnode **a_vpp;
727		struct componentname *a_cnp;
728		struct vattr *a_vap;
729		char *a_target;
730	} */ *ap;
731{
732	return EOPNOTSUPP;
733}
734
735static int
736smbfs_mknod(ap)
737	struct vop_mknod_args /* {
738	} */ *ap;
739{
740	return EOPNOTSUPP;
741}
742
743static int
744smbfs_mkdir(ap)
745	struct vop_mkdir_args /* {
746		struct vnode *a_dvp;
747		struct vnode **a_vpp;
748		struct componentname *a_cnp;
749		struct vattr *a_vap;
750	} */ *ap;
751{
752	struct vnode *dvp = ap->a_dvp;
753/*	struct vattr *vap = ap->a_vap;*/
754	struct vnode *vp;
755	struct componentname *cnp = ap->a_cnp;
756	struct smbnode *dnp = VTOSMB(dvp);
757	struct vattr vattr;
758	struct smb_cred *scred;
759	struct smbfattr fattr;
760	char *name = cnp->cn_nameptr;
761	int len = cnp->cn_namelen;
762	int error;
763
764	if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_cred))) {
765		return error;
766	}
767	if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.'))))
768		return EEXIST;
769	scred = smbfs_malloc_scred();
770	smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
771	error = smbfs_smb_mkdir(dnp, name, len, scred);
772	if (error)
773		goto out;
774	error = smbfs_smb_lookup(dnp, name, len, &fattr, scred);
775	if (error)
776		goto out;
777	error = smbfs_nget(VTOVFS(dvp), dvp, name, len, &fattr, &vp);
778	if (error)
779		goto out;
780	*ap->a_vpp = vp;
781out:
782	smbfs_free_scred(scred);
783	return error;
784}
785
786/*
787 * smbfs_remove directory call
788 */
789static int
790smbfs_rmdir(ap)
791	struct vop_rmdir_args /* {
792		struct vnode *a_dvp;
793		struct vnode *a_vp;
794		struct componentname *a_cnp;
795	} */ *ap;
796{
797	struct vnode *vp = ap->a_vp;
798	struct vnode *dvp = ap->a_dvp;
799	struct componentname *cnp = ap->a_cnp;
800/*	struct smbmount *smp = VTOSMBFS(vp);*/
801	struct smbnode *dnp = VTOSMB(dvp);
802	struct smbnode *np = VTOSMB(vp);
803	struct smb_cred *scred;
804	int error;
805
806	if (dvp == vp)
807		return EINVAL;
808
809	scred = smbfs_malloc_scred();
810	smb_makescred(scred, cnp->cn_thread, cnp->cn_cred);
811	error = smbfs_smb_rmdir(np, scred);
812	if (error == 0)
813		np->n_flag |= NGONE;
814	dnp->n_flag |= NMODIFIED;
815	smbfs_attr_cacheremove(dvp);
816/*	cache_purge(dvp);*/
817	cache_purge(vp);
818	smbfs_free_scred(scred);
819	return error;
820}
821
822/*
823 * smbfs_readdir call
824 */
825static int
826smbfs_readdir(ap)
827	struct vop_readdir_args /* {
828		struct vnode *a_vp;
829		struct uio *a_uio;
830		struct ucred *a_cred;
831		int *a_eofflag;
832		u_long *a_cookies;
833		int a_ncookies;
834	} */ *ap;
835{
836	struct vnode *vp = ap->a_vp;
837	struct uio *uio = ap->a_uio;
838	int error;
839
840	if (vp->v_type != VDIR)
841		return (EPERM);
842#ifdef notnow
843	if (ap->a_ncookies) {
844		printf("smbfs_readdir: no support for cookies now...");
845		return (EOPNOTSUPP);
846	}
847#endif
848	error = smbfs_readvnode(vp, uio, ap->a_cred);
849	return error;
850}
851
852/* ARGSUSED */
853static int
854smbfs_fsync(ap)
855	struct vop_fsync_args /* {
856		struct vnodeop_desc *a_desc;
857		struct vnode * a_vp;
858		struct ucred * a_cred;
859		int  a_waitfor;
860		struct thread * a_td;
861	} */ *ap;
862{
863/*	return (smb_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
864    return (0);
865}
866
867static
868int smbfs_print (ap)
869	struct vop_print_args /* {
870	struct vnode *a_vp;
871	} */ *ap;
872{
873	struct vnode *vp = ap->a_vp;
874	struct smbnode *np = VTOSMB(vp);
875
876	if (np == NULL) {
877		printf("no smbnode data\n");
878		return (0);
879	}
880	printf("\tname = %s, parent = %p, open = %d\n", np->n_name,
881	    np->n_parent ? np->n_parent : NULL, (np->n_flag & NOPEN) != 0);
882	return (0);
883}
884
885static int
886smbfs_pathconf (ap)
887	struct vop_pathconf_args  /* {
888	struct vnode *vp;
889	int name;
890	register_t *retval;
891	} */ *ap;
892{
893	struct smbmount *smp = VFSTOSMBFS(VTOVFS(ap->a_vp));
894	struct smb_vc *vcp = SSTOVC(smp->sm_share);
895	register_t *retval = ap->a_retval;
896	int error = 0;
897
898	switch (ap->a_name) {
899	    case _PC_LINK_MAX:
900		*retval = 0;
901		break;
902	    case _PC_NAME_MAX:
903		*retval = (vcp->vc_hflags2 & SMB_FLAGS2_KNOWS_LONG_NAMES) ? 255 : 12;
904		break;
905	    case _PC_PATH_MAX:
906		*retval = 800;	/* XXX: a correct one ? */
907		break;
908	    default:
909		error = EINVAL;
910	}
911	return error;
912}
913
914static int
915smbfs_strategy (ap)
916	struct vop_strategy_args /* {
917	struct buf *a_bp
918	} */ *ap;
919{
920	struct buf *bp=ap->a_bp;
921	struct ucred *cr;
922	struct thread *td;
923
924	SMBVDEBUG("\n");
925	if (bp->b_flags & B_ASYNC)
926		td = (struct thread *)0;
927	else
928		td = curthread;	/* XXX */
929	if (bp->b_iocmd == BIO_READ)
930		cr = bp->b_rcred;
931	else
932		cr = bp->b_wcred;
933
934	if ((bp->b_flags & B_ASYNC) == 0 )
935		(void)smbfs_doio(ap->a_vp, bp, cr, td);
936	return (0);
937}
938
939int
940smbfs_ioctl(ap)
941	struct vop_ioctl_args /* {
942		struct vnode *a_vp;
943		u_long a_command;
944		caddr_t a_data;
945		int fflag;
946		struct ucred *cred;
947		struct thread *td;
948	} */ *ap;
949{
950	return ENOTTY;
951}
952
953static char smbfs_atl[] = "rhsvda";
954static int
955smbfs_getextattr(struct vop_getextattr_args *ap)
956/* {
957        IN struct vnode *a_vp;
958        IN char *a_name;
959        INOUT struct uio *a_uio;
960        IN struct ucred *a_cred;
961        IN struct thread *a_td;
962};
963*/
964{
965	struct vnode *vp = ap->a_vp;
966	struct thread *td = ap->a_td;
967	struct ucred *cred = ap->a_cred;
968	struct uio *uio = ap->a_uio;
969	const char *name = ap->a_name;
970	struct smbnode *np = VTOSMB(vp);
971	struct vattr vattr;
972	char buf[10];
973	int i, attr, error;
974
975	error = VOP_ACCESS(vp, VREAD, cred, td);
976	if (error)
977		return error;
978	error = VOP_GETATTR(vp, &vattr, cred);
979	if (error)
980		return error;
981	if (strcmp(name, "dosattr") == 0) {
982		attr = np->n_dosattr;
983		for (i = 0; i < 6; i++, attr >>= 1)
984			buf[i] = (attr & 1) ? smbfs_atl[i] : '-';
985		buf[i] = 0;
986		error = uiomove(buf, i, uio);
987
988	} else
989		error = EINVAL;
990	return error;
991}
992
993/*
994 * Since we expected to support F_GETLK (and SMB protocol has no such function),
995 * it is necessary to use lf_advlock(). It would be nice if this function had
996 * a callback mechanism because it will help to improve a level of consistency.
997 */
998int
999smbfs_advlock(ap)
1000	struct vop_advlock_args /* {
1001		struct vnode *a_vp;
1002		caddr_t  a_id;
1003		int  a_op;
1004		struct flock *a_fl;
1005		int  a_flags;
1006	} */ *ap;
1007{
1008	struct vnode *vp = ap->a_vp;
1009	struct smbnode *np = VTOSMB(vp);
1010	struct flock *fl = ap->a_fl;
1011	caddr_t id = (caddr_t)1 /* ap->a_id */;
1012/*	int flags = ap->a_flags;*/
1013	struct thread *td = curthread;
1014	struct smb_cred *scred;
1015	u_quad_t size;
1016	off_t start, end, oadd;
1017	int error, lkop;
1018
1019	if (vp->v_type == VDIR) {
1020		/*
1021		 * SMB protocol have no support for directory locking.
1022		 * Although locks can be processed on local machine, I don't
1023		 * think that this is a good idea, because some programs
1024		 * can work wrong assuming directory is locked. So, we just
1025		 * return 'operation not supported
1026		 */
1027		 return EOPNOTSUPP;
1028	}
1029	size = np->n_size;
1030	switch (fl->l_whence) {
1031
1032	case SEEK_SET:
1033	case SEEK_CUR:
1034		start = fl->l_start;
1035		break;
1036
1037	case SEEK_END:
1038		if (size > OFF_MAX ||
1039		    (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1040			return EOVERFLOW;
1041		start = size + fl->l_start;
1042		break;
1043
1044	default:
1045		return EINVAL;
1046	}
1047	if (start < 0)
1048		return EINVAL;
1049	if (fl->l_len < 0) {
1050		if (start == 0)
1051			return EINVAL;
1052		end = start - 1;
1053		start += fl->l_len;
1054		if (start < 0)
1055			return EINVAL;
1056	} else if (fl->l_len == 0)
1057		end = -1;
1058	else {
1059		oadd = fl->l_len - 1;
1060		if (oadd > OFF_MAX - start)
1061			return EOVERFLOW;
1062		end = start + oadd;
1063	}
1064	scred = smbfs_malloc_scred();
1065	smb_makescred(scred, td, td->td_ucred);
1066	switch (ap->a_op) {
1067	    case F_SETLK:
1068		switch (fl->l_type) {
1069		    case F_WRLCK:
1070			lkop = SMB_LOCK_EXCL;
1071			break;
1072		    case F_RDLCK:
1073			lkop = SMB_LOCK_SHARED;
1074			break;
1075		    case F_UNLCK:
1076			lkop = SMB_LOCK_RELEASE;
1077			break;
1078		    default:
1079			smbfs_free_scred(scred);
1080			return EINVAL;
1081		}
1082		error = lf_advlock(ap, &vp->v_lockf, size);
1083		if (error)
1084			break;
1085		lkop = SMB_LOCK_EXCL;
1086		error = smbfs_smb_lock(np, lkop, id, start, end, scred);
1087		if (error) {
1088			int oldtype = fl->l_type;
1089			fl->l_type = F_UNLCK;
1090			ap->a_op = F_UNLCK;
1091			lf_advlock(ap, &vp->v_lockf, size);
1092			fl->l_type = oldtype;
1093		}
1094		break;
1095	    case F_UNLCK:
1096		lf_advlock(ap, &vp->v_lockf, size);
1097		error = smbfs_smb_lock(np, SMB_LOCK_RELEASE, id, start, end, scred);
1098		break;
1099	    case F_GETLK:
1100		error = lf_advlock(ap, &vp->v_lockf, size);
1101		break;
1102	    default:
1103		smbfs_free_scred(scred);
1104		return EINVAL;
1105	}
1106	smbfs_free_scred(scred);
1107	return error;
1108}
1109
1110static int
1111smbfs_pathcheck(struct smbmount *smp, const char *name, int nmlen, int nameiop)
1112{
1113	static const char *badchars = "*/:<>;?";
1114	static const char *badchars83 = " +|,[]=";
1115	const char *cp;
1116	int i, error;
1117
1118	/*
1119	 * Backslash characters, being a path delimiter, are prohibited
1120	 * within a path component even for LOOKUP operations.
1121	 */
1122	if (strchr(name, '\\') != NULL)
1123		return ENOENT;
1124
1125	if (nameiop == LOOKUP)
1126		return 0;
1127	error = ENOENT;
1128	if (SMB_DIALECT(SSTOVC(smp->sm_share)) < SMB_DIALECT_LANMAN2_0) {
1129		/*
1130		 * Name should conform 8.3 format
1131		 */
1132		if (nmlen > 12)
1133			return ENAMETOOLONG;
1134		cp = strchr(name, '.');
1135		if (cp == NULL)
1136			return error;
1137		if (cp == name || (cp - name) > 8)
1138			return error;
1139		cp = strchr(cp + 1, '.');
1140		if (cp != NULL)
1141			return error;
1142		for (cp = name, i = 0; i < nmlen; i++, cp++)
1143			if (strchr(badchars83, *cp) != NULL)
1144				return error;
1145	}
1146	for (cp = name, i = 0; i < nmlen; i++, cp++)
1147		if (strchr(badchars, *cp) != NULL)
1148			return error;
1149	return 0;
1150}
1151
1152/*
1153 * Things go even weird without fixed inode numbers...
1154 */
1155int
1156smbfs_lookup(ap)
1157	struct vop_lookup_args /* {
1158		struct vnodeop_desc *a_desc;
1159		struct vnode *a_dvp;
1160		struct vnode **a_vpp;
1161		struct componentname *a_cnp;
1162	} */ *ap;
1163{
1164	struct componentname *cnp = ap->a_cnp;
1165	struct thread *td = cnp->cn_thread;
1166	struct vnode *dvp = ap->a_dvp;
1167	struct vnode **vpp = ap->a_vpp;
1168	struct vnode *vp;
1169	struct smbmount *smp;
1170	struct mount *mp = dvp->v_mount;
1171	struct smbnode *dnp;
1172	struct smbfattr fattr, *fap;
1173	struct smb_cred *scred;
1174	char *name = cnp->cn_nameptr;
1175	int flags = cnp->cn_flags;
1176	int nameiop = cnp->cn_nameiop;
1177	int nmlen = cnp->cn_namelen;
1178	int error, islastcn, isdot;
1179	int killit;
1180
1181	SMBVDEBUG("\n");
1182	if (dvp->v_type != VDIR)
1183		return ENOTDIR;
1184	if ((flags & ISDOTDOT) && (dvp->v_vflag & VV_ROOT)) {
1185		SMBFSERR("invalid '..'\n");
1186		return EIO;
1187	}
1188	islastcn = flags & ISLASTCN;
1189	if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != LOOKUP))
1190		return EROFS;
1191	if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)) != 0)
1192		return error;
1193	smp = VFSTOSMBFS(mp);
1194	dnp = VTOSMB(dvp);
1195	isdot = (nmlen == 1 && name[0] == '.');
1196
1197	error = smbfs_pathcheck(smp, cnp->cn_nameptr, cnp->cn_namelen, nameiop);
1198
1199	if (error)
1200		return ENOENT;
1201
1202	error = cache_lookup(dvp, vpp, cnp, NULL, NULL);
1203	SMBVDEBUG("cache_lookup returned %d\n", error);
1204	if (error > 0)
1205		return error;
1206	if (error) {		/* name was found */
1207		struct vattr vattr;
1208
1209		killit = 0;
1210		vp = *vpp;
1211		error = VOP_GETATTR(vp, &vattr, cnp->cn_cred);
1212		/*
1213		 * If the file type on the server is inconsistent
1214		 * with what it was when we created the vnode,
1215		 * kill the bogus vnode now and fall through to
1216		 * the code below to create a new one with the
1217		 * right type.
1218		 */
1219		if (error == 0 &&
1220		   ((vp->v_type == VDIR &&
1221		   (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) == 0) ||
1222		   (vp->v_type == VREG &&
1223		   (VTOSMB(vp)->n_dosattr & SMB_FA_DIR) != 0)))
1224		   killit = 1;
1225		else if (error == 0
1226	     /*    && vattr.va_ctime.tv_sec == VTOSMB(vp)->n_ctime*/) {
1227		     if (nameiop != LOOKUP && islastcn)
1228			     cnp->cn_flags |= SAVENAME;
1229		     SMBVDEBUG("use cached vnode\n");
1230		     return (0);
1231		}
1232		cache_purge(vp);
1233		/*
1234		 * XXX This is not quite right, if '.' is
1235		 * inconsistent, we really need to start the lookup
1236		 * all over again.  Hopefully there is some other
1237		 * guarantee that prevents this case from happening.
1238		 */
1239		if (killit && vp != dvp)
1240			vgone(vp);
1241		if (vp != dvp)
1242			vput(vp);
1243		else
1244			vrele(vp);
1245		*vpp = NULLVP;
1246	}
1247	/*
1248	 * entry is not in the cache or has been expired
1249	 */
1250	error = 0;
1251	*vpp = NULLVP;
1252	scred = smbfs_malloc_scred();
1253	smb_makescred(scred, td, cnp->cn_cred);
1254	fap = &fattr;
1255	if (flags & ISDOTDOT) {
1256		/*
1257		 * In the DOTDOT case, don't go over-the-wire
1258		 * in order to request attributes. We already
1259		 * know it's a directory and subsequent call to
1260		 * smbfs_getattr() will restore consistency.
1261		 *
1262		 */
1263		SMBVDEBUG("smbfs_smb_lookup: dotdot\n");
1264	} else if (isdot) {
1265		error = smbfs_smb_lookup(dnp, NULL, 0, fap, scred);
1266		SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1267	}
1268	else {
1269		error = smbfs_smb_lookup(dnp, name, nmlen, fap, scred);
1270		SMBVDEBUG("result of smbfs_smb_lookup: %d\n", error);
1271	}
1272	if (error && error != ENOENT)
1273		goto out;
1274	if (error) {			/* entry not found */
1275		/*
1276		 * Handle RENAME or CREATE case...
1277		 */
1278		if ((nameiop == CREATE || nameiop == RENAME) && islastcn) {
1279			error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1280			if (error)
1281				goto out;
1282			cnp->cn_flags |= SAVENAME;
1283			error = EJUSTRETURN;
1284			goto out;
1285		}
1286		error = ENOENT;
1287		goto out;
1288	}/* else {
1289		SMBVDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
1290	}*/
1291	/*
1292	 * handle DELETE case ...
1293	 */
1294	if (nameiop == DELETE && islastcn) { 	/* delete last component */
1295		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1296		if (error)
1297			goto out;
1298		if (isdot) {
1299			VREF(dvp);
1300			*vpp = dvp;
1301			goto out;
1302		}
1303		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1304		if (error)
1305			goto out;
1306		*vpp = vp;
1307		cnp->cn_flags |= SAVENAME;
1308		goto out;
1309	}
1310	if (nameiop == RENAME && islastcn) {
1311		error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, td);
1312		if (error)
1313			goto out;
1314		if (isdot) {
1315			error = EISDIR;
1316			goto out;
1317		}
1318		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1319		if (error)
1320			goto out;
1321		*vpp = vp;
1322		cnp->cn_flags |= SAVENAME;
1323		goto out;
1324	}
1325	if (flags & ISDOTDOT) {
1326		mp = dvp->v_mount;
1327		error = vfs_busy(mp, MBF_NOWAIT);
1328		if (error != 0) {
1329			vfs_ref(mp);
1330			VOP_UNLOCK(dvp, 0);
1331			error = vfs_busy(mp, 0);
1332			vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1333			vfs_rel(mp);
1334			if (error) {
1335				error = ENOENT;
1336				goto out;
1337			}
1338			if ((dvp->v_iflag & VI_DOOMED) != 0) {
1339				vfs_unbusy(mp);
1340				error = ENOENT;
1341				goto out;
1342			}
1343		}
1344		VOP_UNLOCK(dvp, 0);
1345		error = smbfs_nget(mp, dvp, name, nmlen, NULL, &vp);
1346		vfs_unbusy(mp);
1347		vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
1348		if ((dvp->v_iflag & VI_DOOMED) != 0) {
1349			if (error == 0)
1350				vput(vp);
1351			error = ENOENT;
1352		}
1353		if (error)
1354			goto out;
1355		*vpp = vp;
1356	} else if (isdot) {
1357		vref(dvp);
1358		*vpp = dvp;
1359	} else {
1360		error = smbfs_nget(mp, dvp, name, nmlen, fap, &vp);
1361		if (error)
1362			goto out;
1363		*vpp = vp;
1364		SMBVDEBUG("lookup: getnewvp!\n");
1365	}
1366	if ((cnp->cn_flags & MAKEENTRY)/* && !islastcn*/) {
1367/*		VTOSMB(*vpp)->n_ctime = VTOSMB(*vpp)->n_vattr.va_ctime.tv_sec;*/
1368		cache_enter(dvp, *vpp, cnp);
1369	}
1370out:
1371	smbfs_free_scred(scred);
1372	return (error);
1373}
1374