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 $
33 * $DragonFly: src/sys/vfs/nwfs/nwfs_vnops.c,v 1.38 2007/11/20 21:03:50 dillon Exp $
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
40 #include <sys/namei.h>
41 #include <sys/fcntl.h>
42 #include <sys/mount.h>
43 #include <sys/unistd.h>
44 #include <sys/vnode.h>
47 #include <vm/vm_extern.h>
48 #include <vm/vm_zone.h>
50 #include <netproto/ncp/ncp.h>
51 #include <netproto/ncp/ncp_conn.h>
52 #include <netproto/ncp/ncp_subr.h>
53 #include <netproto/ncp/nwerror.h>
54 #include <netproto/ncp/ncp_nls.h>
57 #include "nwfs_node.h"
58 #include "nwfs_subr.h"
61 * Prototypes for NWFS vnode operations
63 static int nwfs_create(struct vop_old_create_args *);
64 static int nwfs_mknod(struct vop_old_mknod_args *);
65 static int nwfs_open(struct vop_open_args *);
66 static int nwfs_close(struct vop_close_args *);
67 static int nwfs_access(struct vop_access_args *);
68 static int nwfs_getattr(struct vop_getattr_args *);
69 static int nwfs_setattr(struct vop_setattr_args *);
70 static int nwfs_read(struct vop_read_args *);
71 static int nwfs_write(struct vop_write_args *);
72 static int nwfs_fsync(struct vop_fsync_args *);
73 static int nwfs_remove(struct vop_old_remove_args *);
74 static int nwfs_link(struct vop_old_link_args *);
75 static int nwfs_lookup(struct vop_old_lookup_args *);
76 static int nwfs_rename(struct vop_old_rename_args *);
77 static int nwfs_mkdir(struct vop_old_mkdir_args *);
78 static int nwfs_rmdir(struct vop_old_rmdir_args *);
79 static int nwfs_symlink(struct vop_old_symlink_args *);
80 static int nwfs_readdir(struct vop_readdir_args *);
81 static int nwfs_bmap(struct vop_bmap_args *);
82 static int nwfs_strategy(struct vop_strategy_args *);
83 static int nwfs_print(struct vop_print_args *);
84 static int nwfs_pathconf(struct vop_pathconf_args *ap);
86 /* Global vfs data structures for nwfs */
87 struct vop_ops nwfs_vnode_vops = {
88 .vop_default = vop_defaultop,
89 .vop_access = nwfs_access,
90 .vop_bmap = nwfs_bmap,
91 .vop_open = nwfs_open,
92 .vop_close = nwfs_close,
93 .vop_old_create = nwfs_create,
94 .vop_fsync = nwfs_fsync,
95 .vop_getattr = nwfs_getattr,
96 .vop_getpages = nwfs_getpages,
97 .vop_putpages = nwfs_putpages,
98 .vop_ioctl = nwfs_ioctl,
99 .vop_inactive = nwfs_inactive,
100 .vop_old_link = nwfs_link,
101 .vop_old_lookup = nwfs_lookup,
102 .vop_old_mkdir = nwfs_mkdir,
103 .vop_old_mknod = nwfs_mknod,
104 .vop_pathconf = nwfs_pathconf,
105 .vop_print = nwfs_print,
106 .vop_read = nwfs_read,
107 .vop_readdir = nwfs_readdir,
108 .vop_reclaim = nwfs_reclaim,
109 .vop_old_remove = nwfs_remove,
110 .vop_old_rename = nwfs_rename,
111 .vop_old_rmdir = nwfs_rmdir,
112 .vop_setattr = nwfs_setattr,
113 .vop_strategy = nwfs_strategy,
114 .vop_old_symlink = nwfs_symlink,
115 .vop_write = nwfs_write
119 * nwfs_access vnode op
120 * for now just return ok
122 * nwfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
125 nwfs_access(struct vop_access_args *ap)
127 struct vnode *vp = ap->a_vp;
128 struct ucred *cred = ap->a_cred;
129 u_int mode = ap->a_mode;
130 struct nwmount *nmp = VTONWFS(vp);
134 if ((ap->a_mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
135 switch (vp->v_type) {
136 case VREG: case VDIR: case VLNK:
142 if (cred->cr_uid == 0)
144 if (cred->cr_uid != nmp->m.uid) {
146 if (!groupmember(nmp->m.gid, cred))
149 error = (((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode) & mode) == mode ? 0 : EACCES;
155 * nwfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
160 nwfs_open(struct vop_open_args *ap)
162 thread_t td = curthread; /* XXX */
163 struct vnode *vp = ap->a_vp;
164 int mode = ap->a_mode;
165 struct nwnode *np = VTONW(vp);
166 struct ncp_open_info no;
167 struct nwmount *nmp = VTONWFS(vp);
171 NCPVNDEBUG("%s,%d\n",np->n_name, np->opened);
172 if (vp->v_type != VREG && vp->v_type != VDIR) {
173 NCPFATAL("open vtype = %d\n", vp->v_type);
176 if (vp->v_type == VDIR) return 0; /* nothing to do now */
177 if (np->n_flag & NMODIFIED) {
178 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
181 error = VOP_GETATTR(vp, &vattr);
184 np->n_mtime = vattr.va_mtime.tv_sec;
186 error = VOP_GETATTR(vp, &vattr);
189 if (np->n_mtime != vattr.va_mtime.tv_sec) {
190 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
192 np->n_mtime = vattr.va_mtime.tv_sec;
197 return (vop_stdopen(ap));
200 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
202 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
203 0, nwm, &no, td, ap->a_cred);
208 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
209 nwm, &no, td, ap->a_cred);
215 np->n_origfh = no.origfh;
216 error = vop_stdopen(ap);
222 * nwfs_close(struct vnode *a_vp, int a_fflag)
225 nwfs_close(struct vop_close_args *ap)
227 thread_t td = curthread; /* XXX */
228 struct vnode *vp = ap->a_vp;
229 struct nwnode *np = VTONW(vp);
232 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
235 if (vp->v_type == VDIR)
239 error = nwfs_vinvalbuf(vp, V_SAVE, 1);
240 if (np->opened == 0) {
241 error = 0; /* huh? */
244 if (--np->opened == 0) {
245 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
255 * nwfs_getattr call from vfs.
257 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap)
260 nwfs_getattr(struct vop_getattr_args *ap)
262 thread_t td = curthread; /* XXX */
263 struct vnode *vp = ap->a_vp;
264 struct nwnode *np = VTONW(vp);
265 struct vattr *va=ap->a_vap;
266 struct nwmount *nmp = VTONWFS(vp);
267 struct nw_entry_info fattr;
271 NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
272 error = nwfs_attr_cachelookup(vp,va);
273 if (!error) return 0;
274 NCPVNDEBUG("not in cache\n");
275 oldsize = np->n_size;
276 if (np->n_flag & NVOLUME) {
277 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
280 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
281 np->n_name, &fattr, td, proc0.p_ucred);
284 NCPVNDEBUG("error %d\n", error);
287 nwfs_attr_cacheenter(vp, &fattr);
290 np->n_size = oldsize;
294 * nwfs_setattr call from vfs.
296 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
299 nwfs_setattr(struct vop_setattr_args *ap)
301 thread_t td = curthread; /* XXX */
302 struct vnode *vp = ap->a_vp;
303 struct nwnode *np = VTONW(vp);
304 struct vattr *vap = ap->a_vap;
309 if (vap->va_flags != VNOVAL)
312 * Disallow write attempts if the filesystem is mounted read-only.
314 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
315 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
316 vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
318 if (vap->va_size != VNOVAL) {
319 switch (vp->v_type) {
324 * Disallow write attempts if the filesystem is
327 if (vp->v_mount->mnt_flag & MNT_RDONLY)
329 vnode_pager_setsize(vp, (u_long)vap->va_size);
331 np->n_size = vap->va_size;
337 error = ncp_setattr(vp, vap, ap->a_cred, td);
338 if (error && vap->va_size != VNOVAL) {
340 vnode_pager_setsize(vp, (u_long)tsize);
342 np->n_atime = 0; /* invalidate cache */
343 VOP_GETATTR(vp, vap);
344 np->n_mtime = vap->va_mtime.tv_sec;
351 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
352 * struct ucred *a_cred)
355 nwfs_read(struct vop_read_args *ap)
357 struct vnode *vp = ap->a_vp;
358 struct uio *uio=ap->a_uio;
360 NCPVNDEBUG("nwfs_read:\n");
362 if (vp->v_type != VREG && vp->v_type != VDIR)
364 error = nwfs_readvnode(vp, uio, ap->a_cred);
369 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
370 * struct ucred *a_cred)
373 nwfs_write(struct vop_write_args *ap)
375 struct vnode *vp = ap->a_vp;
376 struct uio *uio = ap->a_uio;
379 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
381 if (vp->v_type != VREG)
383 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
388 * Create a regular file. On entry the directory to contain the file being
389 * created is locked. We must release before we return.
391 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
392 * struct componentname *a_cnpl, struct vattr *a_vap)
395 nwfs_create(struct vop_old_create_args *ap)
397 struct vnode *dvp = ap->a_dvp;
398 struct vattr *vap = ap->a_vap;
399 struct vnode **vpp=ap->a_vpp;
400 struct componentname *cnp = ap->a_cnp;
401 struct vnode *vp = (struct vnode *)0;
402 int error = 0, fmode;
405 struct ncp_open_info no;
406 struct nwmount *nmp=VTONWFS(dvp);
412 if (vap->va_type == VSOCK)
414 if ((error = VOP_GETATTR(dvp, &vattr))) {
417 fmode = AR_READ | AR_WRITE;
418 /* if (vap->va_vaflags & VA_EXCLUSIVE)
419 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
421 error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
422 OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
423 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
425 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
426 fid.f_parent = VTONW(dvp)->n_fid.f_id;
427 fid.f_id = no.fattr.dirEntNum;
428 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
439 * nwfs_remove call. It isn't possible to emulate UFS behaivour because
440 * NetWare doesn't allow delete/rename operations on an opened file.
442 * nwfs_remove(struct vnode *a_dvp,
443 * struct vnode *a_vp, struct componentname *a_cnp)
446 nwfs_remove(struct vop_old_remove_args *ap)
448 struct vnode *vp = ap->a_vp;
449 struct vnode *dvp = ap->a_dvp;
450 struct componentname *cnp = ap->a_cnp;
451 struct nwnode *np = VTONW(vp);
452 struct nwmount *nmp = VTONWFS(vp);
455 if (vp->v_type == VDIR || np->opened || vp->v_sysref.refcnt > 1) {
457 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
460 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
461 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
463 np->n_flag |= NSHOULDFREE;
464 else if (error == 0x899c)
471 * nwfs_file rename call
473 * nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
474 * struct componentname *a_fcnp, struct vnode *a_tdvp,
475 * struct vnode *a_tvp, struct componentname *a_tcnp)
478 nwfs_rename(struct vop_old_rename_args *ap)
480 struct vnode *fvp = ap->a_fvp;
481 struct vnode *tvp = ap->a_tvp;
482 struct vnode *fdvp = ap->a_fdvp;
483 struct vnode *tdvp = ap->a_tdvp;
484 struct componentname *tcnp = ap->a_tcnp;
485 struct componentname *fcnp = ap->a_fcnp;
486 struct nwmount *nmp=VTONWFS(fvp);
487 u_int16_t oldtype = 6;
490 /* Check for cross-device rename */
491 if ((fvp->v_mount != tdvp->v_mount) ||
492 (tvp && (fvp->v_mount != tvp->v_mount))) {
497 if (tvp && tvp->v_sysref.refcnt > 1) {
501 if (tvp && tvp != fvp) {
502 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
503 tcnp->cn_namelen, tcnp->cn_nameptr,
504 tcnp->cn_td, tcnp->cn_cred);
505 if (error == 0x899c) error = EACCES;
509 if (fvp->v_type == VDIR) {
510 oldtype |= NW_TYPE_SUBDIR;
511 } else if (fvp->v_type == VREG) {
512 oldtype |= NW_TYPE_FILE;
515 error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
516 oldtype, &nmp->m.nls,
517 VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
518 VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
519 tcnp->cn_td,tcnp->cn_cred);
532 nwfs_attr_cacheremove(fdvp);
533 nwfs_attr_cacheremove(tdvp);
535 * Need to get rid of old vnodes, because netware will change
542 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
550 * nwfs hard link create call
551 * Netware filesystems don't know what links are.
553 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
554 * struct componentname *a_cnp)
557 nwfs_link(struct vop_old_link_args *ap)
563 * nwfs_symlink link create call
564 * Netware filesystems don't know what symlinks are.
566 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
567 * struct componentname *a_cnp, struct vattr *a_vap,
571 nwfs_symlink(struct vop_old_symlink_args *ap)
576 static int nwfs_mknod(struct vop_old_mknod_args *ap)
584 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
585 * struct componentname *a_cnp, struct vattr *a_vap)
588 nwfs_mkdir(struct vop_old_mkdir_args *ap)
590 struct vnode *dvp = ap->a_dvp;
591 /* struct vattr *vap = ap->a_vap;*/
592 struct componentname *cnp = ap->a_cnp;
593 int len=cnp->cn_namelen;
594 struct ncp_open_info no;
596 struct vnode *newvp = (struct vnode *)0;
600 char *name=cnp->cn_nameptr;
602 if ((error = VOP_GETATTR(dvp, &vattr))) {
605 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
608 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
609 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
610 &no, cnp->cn_td, cnp->cn_cred) != 0) {
616 fid.f_parent = VTONW(dvp)->n_fid.f_id;
617 fid.f_id = no.fattr.dirEntNum;
618 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
621 newvp->v_type = VDIR;
629 * nwfs_remove directory call
631 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
632 * struct componentname *a_cnp)
635 nwfs_rmdir(struct vop_old_rmdir_args *ap)
637 struct vnode *vp = ap->a_vp;
638 struct vnode *dvp = ap->a_dvp;
639 struct componentname *cnp = ap->a_cnp;
640 struct nwnode *np = VTONW(vp);
641 struct nwmount *nmp = VTONWFS(vp);
642 struct nwnode *dnp = VTONW(dvp);
648 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
649 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
651 np->n_flag |= NSHOULDFREE;
652 else if (error == NWE_DIR_NOT_EMPTY)
654 dnp->n_flag |= NMODIFIED;
655 nwfs_attr_cacheremove(dvp);
662 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
663 * int *a_eofflag, off_t *a_cookies, int a_ncookies)
666 nwfs_readdir(struct vop_readdir_args *ap)
668 struct vnode *vp = ap->a_vp;
669 struct uio *uio = ap->a_uio;
672 if (vp->v_type != VDIR)
674 if (ap->a_ncookies) {
675 kprintf("nwfs_readdir: no support for cookies now...");
678 if ((error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY)) != 0)
680 error = nwfs_readvnode(vp, uio, ap->a_cred);
686 * nwfs_fsync(struct vnode *a_vp, int a_waitfor)
690 nwfs_fsync(struct vop_fsync_args *ap)
692 /* return (nfs_flush(ap->a_vp, ap->a_waitfor, curthread, 1));*/
697 * nwfs_print(struct vnode *a_vp)
701 nwfs_print(struct vop_print_args *ap)
703 struct vnode *vp = ap->a_vp;
704 struct nwnode *np = VTONW(vp);
706 kprintf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
707 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
712 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
715 nwfs_pathconf(struct vop_pathconf_args *ap)
717 int name=ap->a_name, error=0;
718 register_t *retval=ap->a_retval;
725 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
728 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
737 * nwfs_strategy(struct vnode *a_vp, struct bio *a_bio)
740 nwfs_strategy(struct vop_strategy_args *ap)
742 struct bio *bio = ap->a_bio;
743 struct buf *bp = bio->bio_buf;
745 struct thread *td = NULL;
748 if ((bp->b_flags & B_ASYNC) == 0)
749 td = curthread; /* YYY dunno if this is legal */
751 * If the op is asynchronous and an i/o daemon is waiting
752 * queue the request, wake it up and wait for completion
753 * otherwise just do it ourselves.
755 if ((bp->b_flags & B_ASYNC) == 0 )
756 error = nwfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
761 * nwfs_bmap(struct vnode *a_vp, off_t a_loffset,
762 * off_t *a_doffsetp, int *a_runp, int *a_runb)
765 nwfs_bmap(struct vop_bmap_args *ap)
767 if (ap->a_doffsetp != NULL)
768 *ap->a_doffsetp = ap->a_loffset;
769 if (ap->a_runp != NULL)
771 if (ap->a_runb != NULL)
777 nwfs_nget(struct mount *mp, ncpfid fid, const struct nw_entry_info *fap,
778 struct vnode *dvp, struct vnode **vpp)
781 struct nwnode *newnp;
785 error = nwfs_allocvp(mp, fid, &vp);
790 newnp->n_attr = fap->attributes;
791 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
792 nwfs_attr_cacheenter(vp, fap);
795 newnp->n_parent = VTONW(dvp)->n_fid;
796 if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
797 if ((dvp->v_flag & VROOT) == 0) {
798 newnp->n_refparent = 1;
799 vref(dvp); /* vhold */
803 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
804 kprintf("new vnode '%s' borned without parent ?\n",newnp->n_name);
806 newnp->n_flag &= ~NNEW;
812 * How to keep the brain busy ...
813 * Currently lookup routine can make two lookup for vnode. This can be
814 * avoided by reorg the code.
816 * nwfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
817 * struct componentname *a_cnp)
820 nwfs_lookup(struct vop_old_lookup_args *ap)
822 struct componentname *cnp = ap->a_cnp;
823 struct vnode *dvp = ap->a_dvp;
824 struct vnode **vpp = ap->a_vpp;
825 int flags = cnp->cn_flags;
828 struct mount *mp = dvp->v_mount;
829 struct nwnode *dnp, *npp;
830 struct nw_entry_info fattr, *fap;
832 int nameiop=cnp->cn_nameiop;
833 int lockparent, wantparent, error = 0, notfound;
834 struct thread *td = cnp->cn_td;
835 char _name[cnp->cn_namelen+1];
836 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
837 _name[cnp->cn_namelen]=0;
839 if (dvp->v_type != VDIR)
841 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
842 kprintf("nwfs_lookup: invalid '..'\n");
846 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
847 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
849 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
851 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred)))
853 lockparent = flags & CNP_LOCKPARENT;
854 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
858 kprintf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
860 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
861 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
868 if (flags & CNP_ISDOTDOT) {
869 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
870 fid = nmp->n_rootent;
874 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
881 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
882 0, NULL, fap, td, cnp->cn_cred);
886 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
887 fap, td, cnp->cn_cred);
888 fid.f_id = fap->dirEntNum;
889 if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
890 fid.f_parent = dnp->n_fid.f_parent;
892 fid.f_parent = dnp->n_fid.f_id;
893 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
895 if (notfound && notfound < 0x80 )
896 return (notfound); /* hard error */
897 if (notfound) { /* entry not found */
898 /* Handle RENAME or CREATE case... */
899 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
902 return (EJUSTRETURN);
906 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
908 /* handle DELETE case ... */
909 if (nameiop == NAMEI_DELETE) { /* delete last component */
910 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
911 if (error) return (error);
912 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
917 error = nwfs_nget(mp, fid, fap, dvp, &vp);
918 if (error) return (error);
920 if (!lockparent) vn_unlock(dvp);
923 if (nameiop == NAMEI_RENAME && wantparent) {
924 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
925 if (error) return (error);
926 if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
927 error = nwfs_nget(mp, fid, fap, dvp, &vp);
928 if (error) return (error);
934 if (flags & CNP_ISDOTDOT) {
935 vn_unlock(dvp); /* race to get the inode */
936 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
938 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
941 if (lockparent && (error = vn_lock(dvp, LK_EXCLUSIVE))) {
946 } else if (NWCMPF(&dnp->n_fid, &fid)) {
950 error = nwfs_nget(mp, fid, fap, dvp, &vp);
951 if (error) return (error);
953 NCPVNDEBUG("lookup: getnewvp!\n");
958 /* XXX MOVE TO NREMOVE */
959 if ((cnp->cn_flags & CNP_MAKEENTRY)) {
960 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;