Remove unused variable.
[dragonfly.git] / sys / vfs / nwfs / nwfs_vnops.c
CommitLineData
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1/*
2 * Copyright (c) 1999, 2000 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: src/sys/nwfs/nwfs_vnops.c,v 1.6.2.3 2001/03/14 11:26:59 bp Exp $
597aea93 33 * $DragonFly: src/sys/vfs/nwfs/nwfs_vnops.c,v 1.12 2004/04/24 04:32:05 drhodus Exp $
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34 */
35#include <sys/param.h>
36#include <sys/systm.h>
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37#include <sys/kernel.h>
38#include <sys/buf.h>
39#include <sys/proc.h>
dadab5e9 40#include <sys/namei.h>
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41#include <sys/fcntl.h>
42#include <sys/mount.h>
43#include <sys/unistd.h>
44#include <sys/vnode.h>
45
46#include <vm/vm.h>
47#include <vm/vm_extern.h>
48#include <vm/vm_zone.h>
49
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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>
984263bc 55
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56#include "nwfs.h"
57#include "nwfs_node.h"
58#include "nwfs_subr.h"
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59
60/*
61 * Prototypes for NWFS vnode operations
62 */
63static int nwfs_create(struct vop_create_args *);
64static int nwfs_mknod(struct vop_mknod_args *);
65static int nwfs_open(struct vop_open_args *);
66static int nwfs_close(struct vop_close_args *);
67static int nwfs_access(struct vop_access_args *);
68static int nwfs_getattr(struct vop_getattr_args *);
69static int nwfs_setattr(struct vop_setattr_args *);
70static int nwfs_read(struct vop_read_args *);
71static int nwfs_write(struct vop_write_args *);
72static int nwfs_fsync(struct vop_fsync_args *);
73static int nwfs_remove(struct vop_remove_args *);
74static int nwfs_link(struct vop_link_args *);
75static int nwfs_lookup(struct vop_lookup_args *);
76static int nwfs_rename(struct vop_rename_args *);
77static int nwfs_mkdir(struct vop_mkdir_args *);
78static int nwfs_rmdir(struct vop_rmdir_args *);
79static int nwfs_symlink(struct vop_symlink_args *);
80static int nwfs_readdir(struct vop_readdir_args *);
81static int nwfs_bmap(struct vop_bmap_args *);
82static int nwfs_strategy(struct vop_strategy_args *);
83static int nwfs_print(struct vop_print_args *);
84static int nwfs_pathconf(struct vop_pathconf_args *ap);
85
86/* Global vfs data structures for nwfs */
87vop_t **nwfs_vnodeop_p;
88static struct vnodeopv_entry_desc nwfs_vnodeop_entries[] = {
89 { &vop_default_desc, (vop_t *) vop_defaultop },
90 { &vop_access_desc, (vop_t *) nwfs_access },
91 { &vop_bmap_desc, (vop_t *) nwfs_bmap },
92 { &vop_open_desc, (vop_t *) nwfs_open },
93 { &vop_close_desc, (vop_t *) nwfs_close },
94 { &vop_create_desc, (vop_t *) nwfs_create },
95 { &vop_fsync_desc, (vop_t *) nwfs_fsync },
96 { &vop_getattr_desc, (vop_t *) nwfs_getattr },
97 { &vop_getpages_desc, (vop_t *) nwfs_getpages },
98 { &vop_putpages_desc, (vop_t *) nwfs_putpages },
99 { &vop_ioctl_desc, (vop_t *) nwfs_ioctl },
100 { &vop_inactive_desc, (vop_t *) nwfs_inactive },
101 { &vop_islocked_desc, (vop_t *) vop_stdislocked },
102 { &vop_link_desc, (vop_t *) nwfs_link },
103 { &vop_lock_desc, (vop_t *) vop_stdlock },
104 { &vop_lookup_desc, (vop_t *) nwfs_lookup },
105 { &vop_mkdir_desc, (vop_t *) nwfs_mkdir },
106 { &vop_mknod_desc, (vop_t *) nwfs_mknod },
107 { &vop_pathconf_desc, (vop_t *) nwfs_pathconf },
108 { &vop_print_desc, (vop_t *) nwfs_print },
109 { &vop_read_desc, (vop_t *) nwfs_read },
110 { &vop_readdir_desc, (vop_t *) nwfs_readdir },
111 { &vop_reclaim_desc, (vop_t *) nwfs_reclaim },
112 { &vop_remove_desc, (vop_t *) nwfs_remove },
113 { &vop_rename_desc, (vop_t *) nwfs_rename },
114 { &vop_rmdir_desc, (vop_t *) nwfs_rmdir },
115 { &vop_setattr_desc, (vop_t *) nwfs_setattr },
116 { &vop_strategy_desc, (vop_t *) nwfs_strategy },
117 { &vop_symlink_desc, (vop_t *) nwfs_symlink },
118 { &vop_unlock_desc, (vop_t *) vop_stdunlock },
119 { &vop_write_desc, (vop_t *) nwfs_write },
120 { NULL, NULL }
121};
122static struct vnodeopv_desc nwfs_vnodeop_opv_desc =
123 { &nwfs_vnodeop_p, nwfs_vnodeop_entries };
124
125VNODEOP_SET(nwfs_vnodeop_opv_desc);
126
127/*
128 * nwfs_access vnode op
129 * for now just return ok
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130 *
131 * nwfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
132 * struct thread *a_td)
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133 */
134static int
a9bb80e0 135nwfs_access(struct vop_access_args *ap)
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136{
137 struct vnode *vp = ap->a_vp;
138 struct ucred *cred = ap->a_cred;
139 u_int mode = ap->a_mode;
140 struct nwmount *nmp = VTONWFS(vp);
141 int error = 0;
142
143 NCPVNDEBUG("\n");
144 if ((ap->a_mode & VWRITE) && (vp->v_mount->mnt_flag & MNT_RDONLY)) {
145 switch (vp->v_type) {
146 case VREG: case VDIR: case VLNK:
147 return (EROFS);
148 default:
149 break;
150 }
151 }
152 if (cred->cr_uid == 0)
153 return 0;
154 if (cred->cr_uid != nmp->m.uid) {
155 mode >>= 3;
156 if (!groupmember(nmp->m.gid, cred))
157 mode >>= 3;
158 }
159 error = (((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode) & mode) == mode ? 0 : EACCES;
160 return error;
161}
162/*
163 * nwfs_open vnode op
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164 *
165 * nwfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
166 * struct thread *a_td)
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167 */
168/* ARGSUSED */
169static int
a9bb80e0 170nwfs_open(struct vop_open_args *ap)
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171{
172 struct vnode *vp = ap->a_vp;
173 int mode = ap->a_mode;
174 struct nwnode *np = VTONW(vp);
175 struct ncp_open_info no;
176 struct nwmount *nmp = VTONWFS(vp);
177 struct vattr vattr;
178 int error, nwm;
179
180 NCPVNDEBUG("%s,%d\n",np->n_name, np->opened);
181 if (vp->v_type != VREG && vp->v_type != VDIR) {
182 NCPFATAL("open vtype = %d\n", vp->v_type);
183 return (EACCES);
184 }
185 if (vp->v_type == VDIR) return 0; /* nothing to do now */
186 if (np->n_flag & NMODIFIED) {
3b568787 187 if ((error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1)) == EINTR)
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188 return (error);
189 np->n_atime = 0;
3b568787 190 error = VOP_GETATTR(vp, &vattr, ap->a_td);
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191 if (error) return (error);
192 np->n_mtime = vattr.va_mtime.tv_sec;
193 } else {
3b568787 194 error = VOP_GETATTR(vp, &vattr, ap->a_td);
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195 if (error) return (error);
196 if (np->n_mtime != vattr.va_mtime.tv_sec) {
3b568787 197 if ((error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1)) == EINTR)
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198 return (error);
199 np->n_mtime = vattr.va_mtime.tv_sec;
200 }
201 }
202 if (np->opened) {
203 np->opened++;
204 return 0;
205 }
206 nwm = AR_READ;
207 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
208 nwm |= AR_WRITE;
209 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
dadab5e9 210 0, nwm, &no, ap->a_td, ap->a_cred);
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211 if (error) {
212 if (mode & FWRITE)
213 return EACCES;
214 nwm = AR_READ;
215 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
dadab5e9 216 nwm, &no, ap->a_td,ap->a_cred);
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217 }
218 if (!error) {
219 np->opened++;
220 np->n_fh = no.fh;
221 np->n_origfh = no.origfh;
222 }
223 np->n_atime = 0;
224 return (error);
225}
226
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227/*
228 * nwfs_close(struct vnodeop_desc *a_desc, struct vnode *a_vp, int a_fflag,
229 * struct ucred *a_cred, struct thread *a_td)
230 */
984263bc 231static int
a9bb80e0 232nwfs_close(struct vop_close_args *ap)
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233{
234 struct vnode *vp = ap->a_vp;
235 struct nwnode *np = VTONW(vp);
41a01a4d 236 lwkt_tokref vlock;
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237 int error;
238
dadab5e9 239 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
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240
241 if (vp->v_type == VDIR) return 0; /* nothing to do now */
242 error = 0;
41a01a4d 243 lwkt_gettoken(&vlock, vp->v_interlock);
984263bc 244 if (np->opened == 0) {
41a01a4d 245 lwkt_reltoken(&vlock);
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246 return 0;
247 }
41a01a4d 248 lwkt_reltoken(&vlock);
3b568787 249 error = nwfs_vinvalbuf(vp, V_SAVE, ap->a_td, 1);
41a01a4d 250 lwkt_gettokref(&vlock);
984263bc 251 if (np->opened == 0) {
41a01a4d 252 lwkt_reltoken(&vlock);
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253 return 0;
254 }
255 if (--np->opened == 0) {
41a01a4d 256 lwkt_reltoken(&vlock);
984263bc 257 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
3b568787 258 ap->a_td, proc0.p_ucred);
8a8d5d85 259 } else {
41a01a4d 260 lwkt_reltoken(&vlock);
8a8d5d85 261 }
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262 np->n_atime = 0;
263 return (error);
264}
265
266/*
267 * nwfs_getattr call from vfs.
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268 *
269 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
270 * struct thread *a_td)
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271 */
272static int
a9bb80e0 273nwfs_getattr(struct vop_getattr_args *ap)
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274{
275 struct vnode *vp = ap->a_vp;
276 struct nwnode *np = VTONW(vp);
277 struct vattr *va=ap->a_vap;
278 struct nwmount *nmp = VTONWFS(vp);
279 struct nw_entry_info fattr;
280 int error;
281 u_int32_t oldsize;
282
283 NCPVNDEBUG("%lx:%d: '%s' %d\n", (long)vp, nmp->n_volume, np->n_name, (vp->v_flag & VROOT) != 0);
284 error = nwfs_attr_cachelookup(vp,va);
285 if (!error) return 0;
286 NCPVNDEBUG("not in cache\n");
287 oldsize = np->n_size;
288 if (np->n_flag & NVOLUME) {
289 error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, &fattr,
3b568787 290 ap->a_td,proc0.p_ucred);
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291 } else {
292 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
3b568787 293 np->n_name, &fattr, ap->a_td, proc0.p_ucred);
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294 }
295 if (error) {
296 NCPVNDEBUG("error %d\n", error);
297 return error;
298 }
299 nwfs_attr_cacheenter(vp, &fattr);
300 *va = np->n_vattr;
301 if (np->opened)
302 np->n_size = oldsize;
303 return (0);
304}
305/*
306 * nwfs_setattr call from vfs.
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307 *
308 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
309 * struct thread *a_td)
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310 */
311static int
a9bb80e0 312nwfs_setattr(struct vop_setattr_args *ap)
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313{
314 struct vnode *vp = ap->a_vp;
315 struct nwnode *np = VTONW(vp);
316 struct vattr *vap = ap->a_vap;
317 u_quad_t tsize=0;
318 int error = 0;
319
320 NCPVNDEBUG("\n");
321 if (vap->va_flags != VNOVAL)
322 return (EOPNOTSUPP);
323 /*
324 * Disallow write attempts if the filesystem is mounted read-only.
325 */
326 if ((vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL ||
327 vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL ||
328 vap->va_mode != (mode_t)VNOVAL) &&(vp->v_mount->mnt_flag & MNT_RDONLY))
329 return (EROFS);
330 if (vap->va_size != VNOVAL) {
331 switch (vp->v_type) {
332 case VDIR:
333 return (EISDIR);
334 case VREG:
335 /*
336 * Disallow write attempts if the filesystem is
337 * mounted read-only.
338 */
339 if (vp->v_mount->mnt_flag & MNT_RDONLY)
340 return (EROFS);
341 vnode_pager_setsize(vp, (u_long)vap->va_size);
342 tsize = np->n_size;
343 np->n_size = vap->va_size;
344 break;
345 default:
346 return EINVAL;
347 };
348 }
dadab5e9 349 error = ncp_setattr(vp, vap, ap->a_cred, ap->a_td);
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350 if (error && vap->va_size != VNOVAL) {
351 np->n_size = tsize;
352 vnode_pager_setsize(vp, (u_long)tsize);
353 }
354 np->n_atime = 0; /* invalidate cache */
3b568787 355 VOP_GETATTR(vp, vap, ap->a_td);
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356 np->n_mtime = vap->va_mtime.tv_sec;
357 return (0);
358}
a9bb80e0 359
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360/*
361 * nwfs_read call.
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362 *
363 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
364 * struct ucred *a_cred)
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365 */
366static int
a9bb80e0 367nwfs_read(struct vop_read_args *ap)
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368{
369 struct vnode *vp = ap->a_vp;
370 struct uio *uio=ap->a_uio;
371 int error;
372 NCPVNDEBUG("nwfs_read:\n");
373
374 if (vp->v_type != VREG && vp->v_type != VDIR)
375 return (EPERM);
376 error = nwfs_readvnode(vp, uio, ap->a_cred);
377 return error;
378}
379
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380/*
381 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
382 * struct ucred *a_cred)
383 */
984263bc 384static int
a9bb80e0 385nwfs_write(struct vop_write_args *ap)
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386{
387 struct vnode *vp = ap->a_vp;
388 struct uio *uio = ap->a_uio;
389 int error;
390
391 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
392
393 if (vp->v_type != VREG)
394 return (EPERM);
395 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
396 return(error);
397}
398/*
399 * nwfs_create call
400 * Create a regular file. On entry the directory to contain the file being
401 * created is locked. We must release before we return. We must also free
402 * the pathname buffer pointed at by cnp->cn_pnbuf, always on error, or
403 * only if the SAVESTART bit in cn_flags is clear on success.
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404 *
405 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
406 * struct componentname *a_cnpl, struct vattr *a_vap)
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407 */
408static int
a9bb80e0 409nwfs_create(struct vop_create_args *ap)
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410{
411 struct vnode *dvp = ap->a_dvp;
412 struct vattr *vap = ap->a_vap;
413 struct vnode **vpp=ap->a_vpp;
414 struct componentname *cnp = ap->a_cnp;
415 struct vnode *vp = (struct vnode *)0;
416 int error = 0, fmode;
417 struct vattr vattr;
418 struct nwnode *np;
419 struct ncp_open_info no;
420 struct nwmount *nmp=VTONWFS(dvp);
421 ncpfid fid;
422
423
424 NCPVNDEBUG("\n");
425 *vpp = NULL;
426 if (vap->va_type == VSOCK)
427 return (EOPNOTSUPP);
3b568787 428 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
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429 return (error);
430 }
431 fmode = AR_READ | AR_WRITE;
432/* if (vap->va_vaflags & VA_EXCLUSIVE)
433 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
434
435 error = ncp_open_create_file_or_subdir(nmp,dvp,cnp->cn_namelen,cnp->cn_nameptr,
436 OC_MODE_CREATE | OC_MODE_OPEN | OC_MODE_REPLACE,
dadab5e9 437 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
984263bc 438 if (!error) {
dadab5e9 439 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
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440 fid.f_parent = VTONW(dvp)->n_fid.f_id;
441 fid.f_id = no.fattr.dirEntNum;
442 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &vp);
443 if (!error) {
444 np = VTONW(vp);
445 np->opened = 0;
446 *vpp = vp;
447 }
2b69e610 448 if (cnp->cn_flags & CNP_MAKEENTRY)
bc0c094e 449 cache_enter(dvp, NCPNULL, vp, cnp);
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450 }
451 return (error);
452}
453
454/*
455 * nwfs_remove call. It isn't possible to emulate UFS behaivour because
456 * NetWare doesn't allow delete/rename operations on an opened file.
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457 *
458 * nwfs_remove(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
459 * struct vnode *a_vp, struct componentname *a_cnp)
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460 */
461static int
a9bb80e0 462nwfs_remove(struct vop_remove_args *ap)
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463{
464 struct vnode *vp = ap->a_vp;
465 struct vnode *dvp = ap->a_dvp;
466 struct componentname *cnp = ap->a_cnp;
467 struct nwnode *np = VTONW(vp);
468 struct nwmount *nmp = VTONWFS(vp);
469 int error;
470
471 if (vp->v_type == VDIR || np->opened || vp->v_usecount != 1) {
472 error = EPERM;
473 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
474 error = EIO;
475 } else {
476 cache_purge(vp);
477 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
dadab5e9 478 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
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479 if (error == 0)
480 np->n_flag |= NSHOULDFREE;
481 else if (error == 0x899c)
482 error = EACCES;
483 }
484 return (error);
485}
486
487/*
488 * nwfs_file rename call
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489 *
490 * nwfs_rename(struct vnode *a_fdvp, struct vnode *a_fvp,
491 * struct componentname *a_fcnp, struct vnode *a_tdvp,
492 * struct vnode *a_tvp, struct componentname *a_tcnp)
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493 */
494static int
a9bb80e0 495nwfs_rename(struct vop_rename_args *ap)
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496{
497 struct vnode *fvp = ap->a_fvp;
498 struct vnode *tvp = ap->a_tvp;
499 struct vnode *fdvp = ap->a_fdvp;
500 struct vnode *tdvp = ap->a_tdvp;
501 struct componentname *tcnp = ap->a_tcnp;
502 struct componentname *fcnp = ap->a_fcnp;
503 struct nwmount *nmp=VTONWFS(fvp);
504 u_int16_t oldtype = 6;
505 int error=0;
506
507 /* Check for cross-device rename */
508 if ((fvp->v_mount != tdvp->v_mount) ||
509 (tvp && (fvp->v_mount != tvp->v_mount))) {
510 error = EXDEV;
511 goto out;
512 }
513
514 if (tvp && tvp->v_usecount > 1) {
515 error = EBUSY;
516 goto out;
517 }
518 if (tvp && tvp != fvp) {
519 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
520 tcnp->cn_namelen, tcnp->cn_nameptr,
dadab5e9 521 tcnp->cn_td, tcnp->cn_cred);
984263bc
MD
522 if (error == 0x899c) error = EACCES;
523 if (error)
524 goto out;
525 }
526 if (fvp->v_type == VDIR) {
527 oldtype |= NW_TYPE_SUBDIR;
528 } else if (fvp->v_type == VREG) {
529 oldtype |= NW_TYPE_FILE;
530 } else
531 return EINVAL;
532 error = ncp_nsrename(NWFSTOCONN(nmp), nmp->n_volume, nmp->name_space,
533 oldtype, &nmp->m.nls,
534 VTONW(fdvp)->n_fid.f_id, fcnp->cn_nameptr, fcnp->cn_namelen,
535 VTONW(tdvp)->n_fid.f_id, tcnp->cn_nameptr, tcnp->cn_namelen,
dadab5e9 536 tcnp->cn_td,tcnp->cn_cred);
984263bc
MD
537
538 if (error == 0x8992)
539 error = EEXIST;
540 if (fvp->v_type == VDIR) {
541 if (tvp != NULL && tvp->v_type == VDIR)
542 cache_purge(tdvp);
543 cache_purge(fdvp);
544 }
545out:
546 if (tdvp == tvp)
547 vrele(tdvp);
548 else
549 vput(tdvp);
550 if (tvp)
551 vput(tvp);
552 vrele(fdvp);
553 vrele(fvp);
554 nwfs_attr_cacheremove(fdvp);
555 nwfs_attr_cacheremove(tdvp);
556 /*
557 * Need to get rid of old vnodes, because netware will change
558 * file id on rename
559 */
560 vgone(fvp);
561 if (tvp)
562 vgone(tvp);
563 /*
564 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
565 */
566 if (error == ENOENT)
567 error = 0;
568 return (error);
569}
570
571/*
572 * nwfs hard link create call
573 * Netware filesystems don't know what links are.
a9bb80e0
CP
574 *
575 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
576 * struct componentname *a_cnp)
984263bc
MD
577 */
578static int
a9bb80e0 579nwfs_link(struct vop_link_args *ap)
984263bc
MD
580{
581 return EOPNOTSUPP;
582}
583
584/*
585 * nwfs_symlink link create call
586 * Netware filesystems don't know what symlinks are.
a9bb80e0
CP
587 *
588 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
589 * struct componentname *a_cnp, struct vattr *a_vap,
590 * char *a_target)
984263bc
MD
591 */
592static int
a9bb80e0 593nwfs_symlink(struct vop_symlink_args *ap)
984263bc
MD
594{
595 return (EOPNOTSUPP);
596}
597
a9bb80e0 598static int nwfs_mknod(struct vop_mknod_args *ap)
984263bc
MD
599{
600 return (EOPNOTSUPP);
601}
602
603/*
604 * nwfs_mkdir call
a9bb80e0
CP
605 *
606 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
607 * struct componentname *a_cnp, struct vattr *a_vap)
984263bc
MD
608 */
609static int
a9bb80e0 610nwfs_mkdir(struct vop_mkdir_args *ap)
984263bc
MD
611{
612 struct vnode *dvp = ap->a_dvp;
613/* struct vattr *vap = ap->a_vap;*/
614 struct componentname *cnp = ap->a_cnp;
615 int len=cnp->cn_namelen;
616 struct ncp_open_info no;
617 struct nwnode *np;
618 struct vnode *newvp = (struct vnode *)0;
619 ncpfid fid;
620 int error = 0;
621 struct vattr vattr;
622 char *name=cnp->cn_nameptr;
623
3b568787 624 if ((error = VOP_GETATTR(dvp, &vattr, cnp->cn_td))) {
984263bc
MD
625 return (error);
626 }
627 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
628 return EEXIST;
629 }
630 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
631 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
dadab5e9 632 &no, cnp->cn_td, cnp->cn_cred) != 0) {
984263bc
MD
633 error = EACCES;
634 } else {
635 error = 0;
636 }
637 if (!error) {
638 fid.f_parent = VTONW(dvp)->n_fid.f_id;
639 fid.f_id = no.fattr.dirEntNum;
640 error = nwfs_nget(VTOVFS(dvp), fid, &no.fattr, dvp, &newvp);
641 if (!error) {
642 np = VTONW(newvp);
643 newvp->v_type = VDIR;
644 *ap->a_vpp = newvp;
645 }
646 }
647 return (error);
648}
649
650/*
651 * nwfs_remove directory call
a9bb80e0
CP
652 *
653 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
654 * struct componentname *a_cnp)
984263bc
MD
655 */
656static int
a9bb80e0 657nwfs_rmdir(struct vop_rmdir_args *ap)
984263bc
MD
658{
659 struct vnode *vp = ap->a_vp;
660 struct vnode *dvp = ap->a_dvp;
661 struct componentname *cnp = ap->a_cnp;
662 struct nwnode *np = VTONW(vp);
663 struct nwmount *nmp = VTONWFS(vp);
664 struct nwnode *dnp = VTONW(dvp);
665 int error = EIO;
666
667 if (dvp == vp)
668 return EINVAL;
669
670 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
dadab5e9 671 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
984263bc
MD
672 if (error == 0)
673 np->n_flag |= NSHOULDFREE;
674 else if (error == NWE_DIR_NOT_EMPTY)
675 error = ENOTEMPTY;
676 dnp->n_flag |= NMODIFIED;
677 nwfs_attr_cacheremove(dvp);
678 cache_purge(dvp);
679 cache_purge(vp);
680 return (error);
681}
682
683/*
684 * nwfs_readdir call
a9bb80e0
CP
685 *
686 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
687 * int *a_eofflag, u_long *a_cookies, int a_ncookies)
984263bc
MD
688 */
689static int
a9bb80e0 690nwfs_readdir(struct vop_readdir_args *ap)
984263bc
MD
691{
692 struct vnode *vp = ap->a_vp;
693 struct uio *uio = ap->a_uio;
694 int error;
695
696 if (vp->v_type != VDIR)
697 return (EPERM);
698 if (ap->a_ncookies) {
699 printf("nwfs_readdir: no support for cookies now...");
700 return (EOPNOTSUPP);
701 }
702
703 error = nwfs_readvnode(vp, uio, ap->a_cred);
704 return error;
705}
a9bb80e0
CP
706
707/*
708 * nwfs_fsync(struct vnodeop_desc *a_desc, struct vnode *a_vp,
709 * struct ucred *a_cred, int a_waitfor, struct thread *a_td)
710 */
984263bc
MD
711/* ARGSUSED */
712static int
a9bb80e0 713nwfs_fsync(struct vop_fsync_args *ap)
984263bc 714{
dadab5e9 715/* return (nfs_flush(ap->a_vp, ap->a_cred, ap->a_waitfor, ap->a_td, 1));*/
984263bc
MD
716 return (0);
717}
718
a9bb80e0
CP
719/*
720 * nwfs_print(struct vnode *a_vp)
721 */
984263bc 722/* ARGSUSED */
a9bb80e0
CP
723static int
724nwfs_print(struct vop_print_args *ap)
984263bc
MD
725{
726 struct vnode *vp = ap->a_vp;
727 struct nwnode *np = VTONW(vp);
728
729 printf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
730 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
731 return (0);
732}
733
a9bb80e0
CP
734/*
735 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
736 */
737static int
738nwfs_pathconf(struct vop_pathconf_args *ap)
984263bc
MD
739{
740 int name=ap->a_name, error=0;
741 register_t *retval=ap->a_retval;
742
743 switch(name){
744 case _PC_LINK_MAX:
745 *retval=0;
746 break;
747 case _PC_NAME_MAX:
748 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
749 break;
750 case _PC_PATH_MAX:
751 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
752 break;
753 default:
754 error=EINVAL;
755 }
756 return(error);
757}
758
a9bb80e0
CP
759/*
760 * nwfs_strategy(struct buf *a_bp)
761 */
762static int
763nwfs_strategy(struct vop_strategy_args *ap)
984263bc
MD
764{
765 struct buf *bp=ap->a_bp;
984263bc 766 int error = 0;
dadab5e9 767 struct thread *td = NULL;
984263bc
MD
768
769 NCPVNDEBUG("\n");
770 if (bp->b_flags & B_PHYS)
771 panic("nwfs physio");
dadab5e9
MD
772 if ((bp->b_flags & B_ASYNC) == 0)
773 td = curthread; /* YYY dunno if this is legal */
984263bc
MD
774 /*
775 * If the op is asynchronous and an i/o daemon is waiting
776 * queue the request, wake it up and wait for completion
777 * otherwise just do it ourselves.
778 */
779 if ((bp->b_flags & B_ASYNC) == 0 )
3b568787 780 error = nwfs_doio(bp, proc0.p_ucred, td);
984263bc
MD
781 return (error);
782}
783
a9bb80e0
CP
784/*
785 * nwfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp,
786 * daddr_t *a_bnp, int *a_runp, int *a_runb)
787 */
984263bc 788static int
a9bb80e0 789nwfs_bmap(struct vop_bmap_args *ap)
984263bc
MD
790{
791 struct vnode *vp = ap->a_vp;
792
793 if (ap->a_vpp != NULL)
794 *ap->a_vpp = vp;
795 if (ap->a_bnp != NULL)
796 *ap->a_bnp = ap->a_bn * btodb(vp->v_mount->mnt_stat.f_iosize);
797 if (ap->a_runp != NULL)
798 *ap->a_runp = 0;
799 if (ap->a_runb != NULL)
800 *ap->a_runb = 0;
801 return (0);
802}
803
804int
805nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
806 struct vnode *dvp, struct vnode **vpp)
807{
808 int error;
809 struct nwnode *newnp;
810 struct vnode *vp;
811
812 *vpp = NULL;
813 error = nwfs_allocvp(mp, fid, &vp);
814 if (error)
815 return error;
816 newnp = VTONW(vp);
817 if (fap) {
818 newnp->n_attr = fap->attributes;
819 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
820 nwfs_attr_cacheenter(vp, fap);
821 }
822 if (dvp) {
823 newnp->n_parent = VTONW(dvp)->n_fid;
824 if ((newnp->n_flag & NNEW) && vp->v_type == VDIR) {
825 if ((dvp->v_flag & VROOT) == 0) {
826 newnp->n_refparent = 1;
827 vref(dvp); /* vhold */
828 }
829 }
830 } else {
831 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
832 printf("new vnode '%s' borned without parent ?\n",newnp->n_name);
833 }
834 newnp->n_flag &= ~NNEW;
835 *vpp = vp;
836 return 0;
837}
838
839/*
840 * How to keep the brain busy ...
841 * Currently lookup routine can make two lookup for vnode. This can be
842 * avoided by reorg the code.
a9bb80e0
CP
843 *
844 * nwfs_lookup(struct vnodeop_desc *a_desc, struct vnode *a_dvp,
845 * struct vnode **a_vpp, struct componentname *a_cnp)
984263bc
MD
846 */
847int
a9bb80e0 848nwfs_lookup(struct vop_lookup_args *ap)
984263bc
MD
849{
850 struct componentname *cnp = ap->a_cnp;
851 struct vnode *dvp = ap->a_dvp;
852 struct vnode **vpp = ap->a_vpp;
853 int flags = cnp->cn_flags;
854 struct vnode *vp;
855 struct nwmount *nmp;
856 struct mount *mp = dvp->v_mount;
857 struct nwnode *dnp, *npp;
858 struct nw_entry_info fattr, *fap;
859 ncpfid fid;
860 int nameiop=cnp->cn_nameiop, islastcn;
861 int lockparent, wantparent, error = 0, notfound;
dadab5e9 862 struct thread *td = cnp->cn_td;
984263bc
MD
863 char _name[cnp->cn_namelen+1];
864 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
865 _name[cnp->cn_namelen]=0;
866
867 if (dvp->v_type != VDIR)
868 return (ENOTDIR);
2b69e610 869 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
984263bc
MD
870 printf("nwfs_lookup: invalid '..'\n");
871 return EIO;
872 }
873
874 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
875 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
876
2b69e610
MD
877 islastcn = flags & CNP_ISLASTCN;
878 if (islastcn && (mp->mnt_flag & MNT_RDONLY) && (nameiop != NAMEI_LOOKUP))
984263bc 879 return (EROFS);
dadab5e9 880 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, td)))
984263bc 881 return (error);
2b69e610
MD
882 lockparent = flags & CNP_LOCKPARENT;
883 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
984263bc
MD
884 nmp = VFSTONWFS(mp);
885 dnp = VTONW(dvp);
886/*
2b69e610 887printf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
984263bc
MD
888*/
889 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
2b69e610 890 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
984263bc
MD
891 if (error)
892 return ENOENT;
893
bc0c094e 894 error = cache_lookup(dvp, NCPNULL, vpp, NCPPNULL, cnp);
984263bc
MD
895 NCPVNDEBUG("cache_lookup returned %d\n",error);
896 if (error > 0)
897 return error;
898 if (error) { /* name was found */
899 struct vattr vattr;
900 int vpid;
901
902 vp = *vpp;
903 vpid = vp->v_id;
904 if (dvp == vp) { /* lookup on current */
905 vref(vp);
906 error = 0;
907 NCPVNDEBUG("cached '.'");
2b69e610 908 } else if (flags & CNP_ISDOTDOT) {
41a01a4d
MD
909 VOP_UNLOCK(dvp, NULL, 0, td); /* unlock parent */
910 error = vget(vp, NULL, LK_EXCLUSIVE, td);
984263bc 911 if (!error && lockparent && islastcn)
41a01a4d 912 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td);
984263bc 913 } else {
41a01a4d 914 error = vget(vp, NULL, LK_EXCLUSIVE, td);
984263bc 915 if (!lockparent || error || !islastcn)
41a01a4d 916 VOP_UNLOCK(dvp, NULL, 0, td);
984263bc
MD
917 }
918 if (!error) {
919 if (vpid == vp->v_id) {
3b568787 920 if (!VOP_GETATTR(vp, &vattr, td)
984263bc 921 && vattr.va_ctime.tv_sec == VTONW(vp)->n_ctime) {
2b69e610
MD
922 if (nameiop != NAMEI_LOOKUP && islastcn)
923 cnp->cn_flags |= CNP_SAVENAME;
984263bc
MD
924 NCPVNDEBUG("use cached vnode");
925 return (0);
926 }
927 cache_purge(vp);
928 }
929 vput(vp);
930 if (lockparent && dvp != vp && islastcn)
41a01a4d 931 VOP_UNLOCK(dvp, NULL, 0, td);
984263bc 932 }
41a01a4d 933 error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td);
984263bc
MD
934 *vpp = NULLVP;
935 if (error)
936 return (error);
937 }
938 /* not in cache, so ... */
939 error = 0;
940 *vpp = NULLVP;
941 fap = NULL;
2b69e610 942 if (flags & CNP_ISDOTDOT) {
984263bc
MD
943 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
944 fid = nmp->n_rootent;
945 fap = NULL;
946 notfound = 0;
947 } else {
dadab5e9 948 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
984263bc
MD
949 if (error) {
950 return error;
951 }
952 fid = dnp->n_parent;
953 fap = &fattr;
954 /*np = *npp;*/
955 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
dadab5e9 956 0, NULL, fap, td, cnp->cn_cred);
984263bc
MD
957 }
958 } else {
959 fap = &fattr;
960 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
dadab5e9 961 fap, td, cnp->cn_cred);
984263bc
MD
962 fid.f_id = fap->dirEntNum;
963 if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') {
964 fid.f_parent = dnp->n_fid.f_parent;
965 } else
966 fid.f_parent = dnp->n_fid.f_id;
967 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
968 }
969 if (notfound && notfound < 0x80 )
970 return (notfound); /* hard error */
971 if (notfound) { /* entry not found */
972 /* Handle RENAME or CREATE case... */
2b69e610
MD
973 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent && islastcn) {
974 cnp->cn_flags |= CNP_SAVENAME;
984263bc 975 if (!lockparent)
41a01a4d 976 VOP_UNLOCK(dvp, NULL, 0, td);
984263bc
MD
977 return (EJUSTRETURN);
978 }
979 return ENOENT;
980 }/* else {
981 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
982 }*/
983 /* handle DELETE case ... */
2b69e610 984 if (nameiop == NAMEI_DELETE && islastcn) { /* delete last component */
dadab5e9 985 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_td);
984263bc
MD
986 if (error) return (error);
987 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
597aea93 988 vref(dvp);
984263bc
MD
989 *vpp = dvp;
990 return 0;
991 }
992 error = nwfs_nget(mp, fid, fap, dvp, &vp);
993 if (error) return (error);
994 *vpp = vp;
2b69e610 995 cnp->cn_flags |= CNP_SAVENAME; /* I free it later */
41a01a4d 996 if (!lockparent) VOP_UNLOCK(dvp, NULL, 0, td);
984263bc
MD
997 return (0);
998 }
2b69e610 999 if (nameiop == NAMEI_RENAME && islastcn && wantparent) {
dadab5e9 1000 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred, cnp->cn_td);
984263bc
MD
1001 if (error) return (error);
1002 if (NWCMPF(&dnp->n_fid, &fid)) return EISDIR;
1003 error = nwfs_nget(mp, fid, fap, dvp, &vp);
1004 if (error) return (error);
1005 *vpp = vp;
2b69e610 1006 cnp->cn_flags |= CNP_SAVENAME;
984263bc 1007 if (!lockparent)
41a01a4d 1008 VOP_UNLOCK(dvp, NULL, 0, td);
984263bc
MD
1009 return (0);
1010 }
2b69e610 1011 if (flags & CNP_ISDOTDOT) {
41a01a4d 1012 VOP_UNLOCK(dvp, NULL, 0, td); /* race to get the inode */
984263bc
MD
1013 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
1014 if (error) {
41a01a4d 1015 vn_lock(dvp, NULL, LK_EXCLUSIVE | LK_RETRY, td);
984263bc
MD
1016 return (error);
1017 }
1018 if (lockparent && islastcn &&
41a01a4d 1019 (error = vn_lock(dvp, NULL, LK_EXCLUSIVE, td))) {
984263bc
MD
1020 vput(vp);
1021 return (error);
1022 }
1023 *vpp = vp;
1024 } else if (NWCMPF(&dnp->n_fid, &fid)) {
1025 vref(dvp);
1026 *vpp = dvp;
1027 } else {
1028 error = nwfs_nget(mp, fid, fap, dvp, &vp);
1029 if (error) return (error);
1030 *vpp = vp;
1031 NCPVNDEBUG("lookup: getnewvp!\n");
1032 if (!lockparent || !islastcn)
41a01a4d 1033 VOP_UNLOCK(dvp, NULL, 0, td);
984263bc 1034 }
2b69e610 1035 if ((cnp->cn_flags & CNP_MAKEENTRY)/* && !islastcn*/) {
984263bc 1036 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;
bc0c094e 1037 cache_enter(dvp, NCPNULL, *vpp, cnp);
984263bc
MD
1038 }
1039 return (0);
1040}