2 * Copyright (c) 1999, 2000 Boris Popov
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 * $FreeBSD: src/sys/nwfs/nwfs_vnops.c,v 1.6.2.3 2001/03/14 11:26:59 bp Exp $
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
39 #include <sys/namei.h>
40 #include <sys/fcntl.h>
41 #include <sys/mount.h>
42 #include <sys/unistd.h>
43 #include <sys/vnode.h>
46 #include <vm/vm_extern.h>
47 #include <vm/vm_zone.h>
49 #include <netproto/ncp/ncp.h>
50 #include <netproto/ncp/ncp_conn.h>
51 #include <netproto/ncp/ncp_subr.h>
52 #include <netproto/ncp/nwerror.h>
53 #include <netproto/ncp/ncp_nls.h>
56 #include "nwfs_node.h"
57 #include "nwfs_subr.h"
60 * Prototypes for NWFS vnode operations
62 static int nwfs_create(struct vop_old_create_args *);
63 static int nwfs_mknod(struct vop_old_mknod_args *);
64 static int nwfs_open(struct vop_open_args *);
65 static int nwfs_close(struct vop_close_args *);
66 static int nwfs_access(struct vop_access_args *);
67 static int nwfs_getattr(struct vop_getattr_args *);
68 static int nwfs_setattr(struct vop_setattr_args *);
69 static int nwfs_read(struct vop_read_args *);
70 static int nwfs_write(struct vop_write_args *);
71 static int nwfs_fsync(struct vop_fsync_args *);
72 static int nwfs_remove(struct vop_old_remove_args *);
73 static int nwfs_link(struct vop_old_link_args *);
74 static int nwfs_lookup(struct vop_old_lookup_args *);
75 static int nwfs_rename(struct vop_old_rename_args *);
76 static int nwfs_mkdir(struct vop_old_mkdir_args *);
77 static int nwfs_rmdir(struct vop_old_rmdir_args *);
78 static int nwfs_symlink(struct vop_old_symlink_args *);
79 static int nwfs_readdir(struct vop_readdir_args *);
80 static int nwfs_bmap(struct vop_bmap_args *);
81 static int nwfs_strategy(struct vop_strategy_args *);
82 static int nwfs_print(struct vop_print_args *);
83 static int nwfs_pathconf(struct vop_pathconf_args *ap);
85 /* Global vfs data structures for nwfs */
86 struct vop_ops nwfs_vnode_vops = {
87 .vop_default = vop_defaultop,
88 .vop_access = nwfs_access,
89 .vop_bmap = nwfs_bmap,
90 .vop_open = nwfs_open,
91 .vop_close = nwfs_close,
92 .vop_old_create = nwfs_create,
93 .vop_fsync = nwfs_fsync,
94 .vop_getattr = nwfs_getattr,
95 .vop_getpages = nwfs_getpages,
96 .vop_putpages = nwfs_putpages,
97 .vop_ioctl = nwfs_ioctl,
98 .vop_inactive = nwfs_inactive,
99 .vop_old_link = nwfs_link,
100 .vop_old_lookup = nwfs_lookup,
101 .vop_old_mkdir = nwfs_mkdir,
102 .vop_old_mknod = nwfs_mknod,
103 .vop_pathconf = nwfs_pathconf,
104 .vop_print = nwfs_print,
105 .vop_read = nwfs_read,
106 .vop_readdir = nwfs_readdir,
107 .vop_reclaim = nwfs_reclaim,
108 .vop_old_remove = nwfs_remove,
109 .vop_old_rename = nwfs_rename,
110 .vop_old_rmdir = nwfs_rmdir,
111 .vop_setattr = nwfs_setattr,
112 .vop_strategy = nwfs_strategy,
113 .vop_old_symlink = nwfs_symlink,
114 .vop_write = nwfs_write
118 * nwfs_access vnode op
120 * nwfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
123 nwfs_access(struct vop_access_args *ap)
125 struct vnode *vp = ap->a_vp;
126 struct nwmount *nmp = VTONWFS(vp);
131 mode = ((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode);
132 error = vop_helper_access(ap, nmp->m.uid, nmp->m.gid, mode, 0);
139 * nwfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
144 nwfs_open(struct vop_open_args *ap)
146 thread_t td = curthread; /* XXX */
147 struct vnode *vp = ap->a_vp;
148 int mode = ap->a_mode;
149 struct nwnode *np = VTONW(vp);
150 struct ncp_open_info no;
151 struct nwmount *nmp = VTONWFS(vp);
155 NCPVNDEBUG("%s,%d\n",np->n_name, np->opened);
156 if (vp->v_type != VREG && vp->v_type != VDIR) {
157 NCPFATAL("open vtype = %d\n", vp->v_type);
160 if (vp->v_type == VDIR) return 0; /* nothing to do now */
161 if (np->n_flag & NMODIFIED) {
162 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
165 error = VOP_GETATTR(vp, &vattr);
168 np->n_mtime = vattr.va_mtime.tv_sec;
170 error = VOP_GETATTR(vp, &vattr);
173 if (np->n_mtime != vattr.va_mtime.tv_sec) {
174 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
176 np->n_mtime = vattr.va_mtime.tv_sec;
181 return (vop_stdopen(ap));
184 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
186 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
187 0, nwm, &no, td, ap->a_cred);
192 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
193 nwm, &no, td, ap->a_cred);
199 np->n_origfh = no.origfh;
200 error = vop_stdopen(ap);
206 * nwfs_close(struct vnode *a_vp, int a_fflag)
209 nwfs_close(struct vop_close_args *ap)
211 thread_t td = curthread; /* XXX */
212 struct vnode *vp = ap->a_vp;
213 struct nwnode *np = VTONW(vp);
216 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
218 vn_lock(vp, LK_UPGRADE | LK_RETRY);
221 if (vp->v_type == VDIR)
225 error = nwfs_vinvalbuf(vp, V_SAVE, 1);
226 if (np->opened == 0) {
227 error = 0; /* huh? */
230 if (--np->opened == 0) {
231 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
241 * nwfs_getattr call from vfs.
243 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap)
246 nwfs_getattr(struct vop_getattr_args *ap)
248 thread_t td = curthread; /* XXX */
249 struct vnode *vp = ap->a_vp;
250 struct nwnode *np = VTONW(vp);
251 struct vattr *va=ap->a_vap;
252 struct nwmount *nmp = VTONWFS(vp);
253 struct nw_entry_info fattr;
257 NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
258 error = nwfs_attr_cachelookup(vp,va);
259 if (!error) return 0;
260 NCPVNDEBUG("not in cache\n");
261 oldsize = np->n_size;
262 if (np->n_flag & NVOLUME) {
263 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
266 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
267 np->n_name, &fattr, td, proc0.p_ucred);
270 NCPVNDEBUG("error %d\n", error);
273 nwfs_attr_cacheenter(vp, &fattr);
276 np->n_size = oldsize;
280 * nwfs_setattr call from vfs.
282 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
285 nwfs_setattr(struct vop_setattr_args *ap)
287 thread_t td = curthread; /* XXX */
288 struct vnode *vp = ap->a_vp;
289 struct nwnode *np = VTONW(vp);
290 struct vattr *vap = ap->a_vap;
295 if (vap->va_flags != VNOVAL)
298 * Disallow write attempts if the filesystem is mounted read-only.
300 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
301 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
302 vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
304 if (vap->va_size != VNOVAL) {
305 switch (vp->v_type) {
310 * Disallow write attempts if the filesystem is
313 if (vp->v_mount->mnt_flag & MNT_RDONLY)
315 vnode_pager_setsize(vp, (u_long)vap->va_size);
317 np->n_size = vap->va_size;
323 error = ncp_setattr(vp, vap, ap->a_cred, td);
324 if (error && vap->va_size != VNOVAL) {
326 vnode_pager_setsize(vp, (u_long)tsize);
328 np->n_atime = 0; /* invalidate cache */
329 VOP_GETATTR(vp, vap);
330 np->n_mtime = vap->va_mtime.tv_sec;
337 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
338 * struct ucred *a_cred)
341 nwfs_read(struct vop_read_args *ap)
343 struct vnode *vp = ap->a_vp;
344 struct uio *uio=ap->a_uio;
346 NCPVNDEBUG("nwfs_read:\n");
348 if (vp->v_type != VREG && vp->v_type != VDIR)
350 error = nwfs_readvnode(vp, uio, ap->a_cred);
355 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
356 * struct ucred *a_cred)
359 nwfs_write(struct vop_write_args *ap)
361 struct vnode *vp = ap->a_vp;
362 struct uio *uio = ap->a_uio;
365 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
367 if (vp->v_type != VREG)
369 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
374 * Create a regular file. On entry the directory to contain the file being
375 * created is locked. We must release before we return.
377 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
378 * struct componentname *a_cnpl, struct vattr *a_vap)
381 nwfs_create(struct vop_old_create_args *ap)
383 struct vnode *dvp = ap->a_dvp;
384 struct vattr *vap = ap->a_vap;
385 struct vnode **vpp=ap->a_vpp;
386 struct componentname *cnp = ap->a_cnp;
387 struct vnode *vp = NULL;
388 int error = 0, fmode;
391 struct ncp_open_info no;
392 struct nwmount *nmp=VTONWFS(dvp);
398 if (vap->va_type == VSOCK)
400 if ((error = VOP_GETATTR(dvp, &vattr))) {
403 fmode = AR_READ | AR_WRITE;
404 /* if (vap->va_vaflags & VA_EXCLUSIVE)
405 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
407 error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
408 OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
409 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
411 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
412 fid.f_parent = VTONW(dvp)->n_fid.f_id;
413 fid.f_id = no.fattr.dirEntNum;
414 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
425 * nwfs_remove call. It isn't possible to emulate UFS behaivour because
426 * NetWare doesn't allow delete/rename operations on an opened file.
428 * nwfs_remove(struct vnode *a_dvp,
429 * struct vnode *a_vp, struct componentname *a_cnp)
432 nwfs_remove(struct vop_old_remove_args *ap)
434 struct vnode *vp = ap->a_vp;
435 struct vnode *dvp = ap->a_dvp;
436 struct componentname *cnp = ap->a_cnp;
437 struct nwnode *np = VTONW(vp);
438 struct nwmount *nmp = VTONWFS(vp);
441 if (vp->v_type == VDIR || np->opened || VREFCNT(vp) > 1) {
443 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
446 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
447 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
449 np->n_flag |= NSHOULDFREE;
450 else if (error == 0x899c)
457 * nwfs_file rename call
459 * nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
460 * struct componentname *a_fcnp, struct vnode *a_tdvp,
461 * struct vnode *a_tvp, struct componentname *a_tcnp)
464 nwfs_rename(struct vop_old_rename_args *ap)
466 struct vnode *fvp = ap->a_fvp;
467 struct vnode *tvp = ap->a_tvp;
468 struct vnode *fdvp = ap->a_fdvp;
469 struct vnode *tdvp = ap->a_tdvp;
470 struct componentname *tcnp = ap->a_tcnp;
471 struct componentname *fcnp = ap->a_fcnp;
472 struct nwmount *nmp=VTONWFS(fvp);
473 u_int16_t oldtype = 6;
476 /* Check for cross-device rename */
477 if ((fvp->v_mount != tdvp->v_mount) ||
478 (tvp && (fvp->v_mount != tvp->v_mount))) {
483 if (tvp && VREFCNT(tvp) > 1) {
487 if (tvp && tvp != fvp) {
488 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
489 tcnp->cn_namelen, tcnp->cn_nameptr,
490 tcnp->cn_td, tcnp->cn_cred);
491 if (error == 0x899c) error = EACCES;
495 if (fvp->v_type == VDIR) {
496 oldtype |= NW_TYPE_SUBDIR;
497 } else if (fvp->v_type == VREG) {
498 oldtype |= NW_TYPE_FILE;
501 error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
502 oldtype, &nmp->m.nls,
503 VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
504 VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
505 tcnp->cn_td,tcnp->cn_cred);
518 nwfs_attr_cacheremove(fdvp);
519 nwfs_attr_cacheremove(tdvp);
521 * Need to get rid of old vnodes, because netware will change
528 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
536 * nwfs hard link create call
537 * Netware filesystems don't know what links are.
539 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
540 * struct componentname *a_cnp)
543 nwfs_link(struct vop_old_link_args *ap)
549 * nwfs_symlink link create call
550 * Netware filesystems don't know what symlinks are.
552 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
553 * struct componentname *a_cnp, struct vattr *a_vap,
557 nwfs_symlink(struct vop_old_symlink_args *ap)
562 static int nwfs_mknod(struct vop_old_mknod_args *ap)
570 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
571 * struct componentname *a_cnp, struct vattr *a_vap)
574 nwfs_mkdir(struct vop_old_mkdir_args *ap)
576 struct vnode *dvp = ap->a_dvp;
577 /* struct vattr *vap = ap->a_vap;*/
578 struct componentname *cnp = ap->a_cnp;
579 int len=cnp->cn_namelen;
580 struct ncp_open_info no;
581 struct vnode *newvp = NULL;
585 char *name=cnp->cn_nameptr;
587 if ((error = VOP_GETATTR(dvp, &vattr))) {
590 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
593 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
594 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
595 &no, cnp->cn_td, cnp->cn_cred) != 0) {
601 fid.f_parent = VTONW(dvp)->n_fid.f_id;
602 fid.f_id = no.fattr.dirEntNum;
603 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
605 newvp->v_type = VDIR;
613 * nwfs_remove directory call
615 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
616 * struct componentname *a_cnp)
619 nwfs_rmdir(struct vop_old_rmdir_args *ap)
621 struct vnode *vp = ap->a_vp;
622 struct vnode *dvp = ap->a_dvp;
623 struct componentname *cnp = ap->a_cnp;
624 struct nwnode *np = VTONW(vp);
625 struct nwmount *nmp = VTONWFS(vp);
626 struct nwnode *dnp = VTONW(dvp);
632 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
633 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
635 np->n_flag |= NSHOULDFREE;
636 else if (error == NWE_DIR_NOT_EMPTY)
638 dnp->n_flag |= NMODIFIED;
639 nwfs_attr_cacheremove(dvp);
646 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
647 * int *a_eofflag, off_t *a_cookies, int a_ncookies)
650 nwfs_readdir(struct vop_readdir_args *ap)
652 struct vnode *vp = ap->a_vp;
653 struct uio *uio = ap->a_uio;
656 if (vp->v_type != VDIR)
658 if (ap->a_ncookies) {
659 kprintf("nwfs_readdir: no support for cookies now...");
662 error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY | LK_FAILRECLAIM);
665 error = nwfs_readvnode(vp, uio, ap->a_cred);
671 * nwfs_fsync(struct vnode *a_vp, int a_waitfor)
675 nwfs_fsync(struct vop_fsync_args *ap)
677 /* return (nfs_flush(ap->a_vp, ap->a_waitfor, curthread, 1));*/
682 * nwfs_print(struct vnode *a_vp)
686 nwfs_print(struct vop_print_args *ap)
688 struct vnode *vp = ap->a_vp;
689 struct nwnode *np = VTONW(vp);
691 kprintf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
692 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
697 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
700 nwfs_pathconf(struct vop_pathconf_args *ap)
702 int name=ap->a_name, error=0;
703 register_t *retval=ap->a_retval;
710 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
713 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
722 * nwfs_strategy(struct vnode *a_vp, struct bio *a_bio)
725 nwfs_strategy(struct vop_strategy_args *ap)
727 struct bio *bio = ap->a_bio;
729 struct thread *td = NULL;
732 if ((bio->bio_flags & BIO_SYNC))
733 td = curthread; /* YYY dunno if this is legal */
735 * If the op is asynchronous and an i/o daemon is waiting
736 * queue the request, wake it up and wait for completion
737 * otherwise just do it ourselves.
739 if (bio->bio_flags & BIO_SYNC)
740 error = nwfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
745 * nwfs_bmap(struct vnode *a_vp, off_t a_loffset,
746 * off_t *a_doffsetp, int *a_runp, int *a_runb)
749 nwfs_bmap(struct vop_bmap_args *ap)
751 if (ap->a_doffsetp != NULL)
752 *ap->a_doffsetp = ap->a_loffset;
753 if (ap->a_runp != NULL)
755 if (ap->a_runb != NULL)
761 nwfs_nget(struct mount *mp, ncpfid fid, const struct nw_entry_info *fap,
762 struct vnode *dvp, struct vnode **vpp)
765 struct nwnode *newnp;
769 error = nwfs_allocvp(mp, fid, &vp);
774 newnp->n_attr = fap->attributes;
775 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
776 nwfs_attr_cacheenter(vp, fap);
779 newnp->n_parent = VTONW(dvp)->n_fid;
780 if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
781 if ((dvp->v_flag & VROOT) == 0) {
782 newnp->n_refparent = 1;
783 vref(dvp); /* vhold */
787 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
788 kprintf("new vnode '%s' borned without parent ?\n",newnp->n_name);
790 newnp->n_flag &= ~NNEW;
796 * How to keep the brain busy ...
797 * Currently lookup routine can make two lookup for vnode. This can be
798 * avoided by reorg the code.
800 * nwfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
801 * struct componentname *a_cnp)
804 nwfs_lookup(struct vop_old_lookup_args *ap)
806 struct componentname *cnp = ap->a_cnp;
807 struct vnode *dvp = ap->a_dvp;
808 struct vnode **vpp = ap->a_vpp;
809 int flags = cnp->cn_flags;
812 struct mount *mp = dvp->v_mount;
813 struct nwnode *dnp, *npp;
814 struct nw_entry_info fattr, *fap;
816 int nameiop=cnp->cn_nameiop;
817 int lockparent, wantparent, error = 0, notfound;
818 struct thread *td = cnp->cn_td;
819 char _name[cnp->cn_namelen+1];
820 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
821 _name[cnp->cn_namelen]=0;
823 if (dvp->v_type != VDIR)
825 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
826 kprintf("nwfs_lookup: invalid '..'\n");
830 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
831 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
833 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
835 if ((error = VOP_EACCESS(dvp, VEXEC, cnp->cn_cred)))
837 lockparent = flags & CNP_LOCKPARENT;
838 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
842 kprintf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
844 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
845 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
852 if (flags & CNP_ISDOTDOT) {
853 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
854 fid = nmp->n_rootent;
858 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
865 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
866 0, NULL, fap, td, cnp->cn_cred);
870 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
871 fap, td, cnp->cn_cred);
872 fid.f_id = fap->dirEntNum;
873 if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
874 fid.f_parent = dnp->n_fid.f_parent;
876 fid.f_parent = dnp->n_fid.f_id;
877 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
879 if (notfound && notfound < 0x80 )
880 return (notfound); /* hard error */
881 if (notfound) { /* entry not found */
882 /* Handle RENAME or CREATE case... */
883 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
886 return (EJUSTRETURN);
890 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
892 /* handle DELETE case ... */
893 if (nameiop == NAMEI_DELETE) { /* delete last component */
894 error = VOP_EACCESS(dvp, VWRITE, cnp->cn_cred);
895 if (error) return (error);
896 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
901 error = nwfs_nget(mp, fid, fap, dvp, &vp);
902 if (error) return (error);
904 if (!lockparent) vn_unlock(dvp);
907 if (nameiop == NAMEI_RENAME && wantparent) {
908 error = VOP_EACCESS(dvp, VWRITE, cnp->cn_cred);
909 if (error) return (error);
910 if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
911 error = nwfs_nget(mp, fid, fap, dvp, &vp);
912 if (error) return (error);
918 if (flags & CNP_ISDOTDOT) {
919 vn_unlock(dvp); /* race to get the inode */
920 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
922 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
926 error = vn_lock(dvp, LK_EXCLUSIVE | LK_FAILRECLAIM);
933 } else if (NWCMPF(&dnp->n_fid, &fid)) {
937 error = nwfs_nget(mp, fid, fap, dvp, &vp);
938 if (error) return (error);
940 NCPVNDEBUG("lookup: getnewvp!\n");
945 /* XXX MOVE TO NREMOVE */
946 if ((cnp->cn_flags & CNP_MAKEENTRY)) {
947 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;