Add kernel-layer support for chflags checks, remove (most) from the VFS layer.
[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 $
84009d92 33 * $DragonFly: src/sys/vfs/nwfs/nwfs_vnops.c,v 1.38 2007/11/20 21:03:50 dillon 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 */
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63static int nwfs_create(struct vop_old_create_args *);
64static int nwfs_mknod(struct vop_old_mknod_args *);
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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 *);
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73static int nwfs_remove(struct vop_old_remove_args *);
74static int nwfs_link(struct vop_old_link_args *);
75static int nwfs_lookup(struct vop_old_lookup_args *);
76static int nwfs_rename(struct vop_old_rename_args *);
77static int nwfs_mkdir(struct vop_old_mkdir_args *);
78static int nwfs_rmdir(struct vop_old_rmdir_args *);
79static int nwfs_symlink(struct vop_old_symlink_args *);
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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 */
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87struct 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,
66a1ddf5 100 .vop_old_link = nwfs_link,
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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,
66a1ddf5 115 .vop_write = nwfs_write
984263bc 116};
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117
118/*
119 * nwfs_access vnode op
120 * for now just return ok
a9bb80e0 121 *
b478fdce 122 * nwfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred)
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123 */
124static int
a9bb80e0 125nwfs_access(struct vop_access_args *ap)
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126{
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);
131 int error = 0;
132
133 NCPVNDEBUG("\n");
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:
137 return (EROFS);
138 default:
139 break;
140 }
141 }
142 if (cred->cr_uid == 0)
143 return 0;
144 if (cred->cr_uid != nmp->m.uid) {
145 mode >>= 3;
146 if (!groupmember(nmp->m.gid, cred))
147 mode >>= 3;
148 }
149 error = (((vp->v_type == VREG) ? nmp->m.file_mode : nmp->m.dir_mode) & mode) == mode ? 0 : EACCES;
150 return error;
151}
152/*
153 * nwfs_open vnode op
a9bb80e0 154 *
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155 * nwfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
156 * struct file *a_fp)
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157 */
158/* ARGSUSED */
159static int
a9bb80e0 160nwfs_open(struct vop_open_args *ap)
984263bc 161{
87de5057 162 thread_t td = curthread; /* XXX */
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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);
168 struct vattr vattr;
169 int error, nwm;
170
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);
174 return (EACCES);
175 }
176 if (vp->v_type == VDIR) return 0; /* nothing to do now */
177 if (np->n_flag & NMODIFIED) {
87de5057 178 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
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179 return (error);
180 np->n_atime = 0;
87de5057 181 error = VOP_GETATTR(vp, &vattr);
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182 if (error)
183 return (error);
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184 np->n_mtime = vattr.va_mtime.tv_sec;
185 } else {
87de5057 186 error = VOP_GETATTR(vp, &vattr);
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187 if (error)
188 return (error);
984263bc 189 if (np->n_mtime != vattr.va_mtime.tv_sec) {
87de5057 190 if ((error = nwfs_vinvalbuf(vp, V_SAVE, 1)) == EINTR)
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191 return (error);
192 np->n_mtime = vattr.va_mtime.tv_sec;
193 }
194 }
195 if (np->opened) {
196 np->opened++;
8ddc6004 197 return (vop_stdopen(ap));
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198 }
199 nwm = AR_READ;
200 if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
201 nwm |= AR_WRITE;
202 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN,
87de5057 203 0, nwm, &no, td, ap->a_cred);
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204 if (error) {
205 if (mode & FWRITE)
206 return EACCES;
207 nwm = AR_READ;
208 error = ncp_open_create_file_or_subdir(nmp, vp, 0, NULL, OC_MODE_OPEN, 0,
87de5057 209 nwm, &no, td, ap->a_cred);
984263bc 210 }
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211 np->n_atime = 0;
212 if (error == 0) {
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213 np->opened++;
214 np->n_fh = no.fh;
215 np->n_origfh = no.origfh;
8ddc6004 216 error = vop_stdopen(ap);
984263bc 217 }
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218 return (error);
219}
220
a9bb80e0 221/*
b478fdce 222 * nwfs_close(struct vnode *a_vp, int a_fflag)
a9bb80e0 223 */
984263bc 224static int
a9bb80e0 225nwfs_close(struct vop_close_args *ap)
984263bc 226{
87de5057 227 thread_t td = curthread; /* XXX */
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228 struct vnode *vp = ap->a_vp;
229 struct nwnode *np = VTONW(vp);
230 int error;
231
dadab5e9 232 NCPVNDEBUG("name=%s,td=%p,c=%d\n",np->n_name,ap->a_td,np->opened);
984263bc 233
984263bc 234 error = 0;
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235 if (vp->v_type == VDIR)
236 goto done;
237 if (np->opened == 0)
238 goto done;
87de5057 239 error = nwfs_vinvalbuf(vp, V_SAVE, 1);
984263bc 240 if (np->opened == 0) {
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MD
241 error = 0; /* huh? */
242 goto done;
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243 }
244 if (--np->opened == 0) {
984263bc 245 error = ncp_close_file(NWFSTOCONN(VTONWFS(vp)), &np->n_fh,
87de5057 246 td, proc0.p_ucred);
5fd012e0 247 }
984263bc 248 np->n_atime = 0;
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MD
249done:
250 vop_stdclose(ap);
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251 return (error);
252}
253
254/*
255 * nwfs_getattr call from vfs.
a9bb80e0 256 *
b478fdce 257 * nwfs_getattr(struct vnode *a_vp, struct vattr *a_vap)
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258 */
259static int
a9bb80e0 260nwfs_getattr(struct vop_getattr_args *ap)
984263bc 261{
87de5057 262 thread_t td = curthread; /* XXX */
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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;
268 int error;
269 u_int32_t oldsize;
270
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,
87de5057 278 td,proc0.p_ucred);
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279 } else {
280 error = ncp_obtain_info(nmp, np->n_fid.f_parent, np->n_nmlen,
87de5057 281 np->n_name, &fattr, td, proc0.p_ucred);
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282 }
283 if (error) {
284 NCPVNDEBUG("error %d\n", error);
285 return error;
286 }
287 nwfs_attr_cacheenter(vp, &fattr);
288 *va = np->n_vattr;
289 if (np->opened)
290 np->n_size = oldsize;
291 return (0);
292}
293/*
294 * nwfs_setattr call from vfs.
a9bb80e0 295 *
87de5057 296 * nwfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred)
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297 */
298static int
a9bb80e0 299nwfs_setattr(struct vop_setattr_args *ap)
984263bc 300{
87de5057 301 thread_t td = curthread; /* XXX */
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302 struct vnode *vp = ap->a_vp;
303 struct nwnode *np = VTONW(vp);
304 struct vattr *vap = ap->a_vap;
305 u_quad_t tsize=0;
306 int error = 0;
307
308 NCPVNDEBUG("\n");
309 if (vap->va_flags != VNOVAL)
310 return (EOPNOTSUPP);
311 /*
312 * Disallow write attempts if the filesystem is mounted read-only.
313 */
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))
317 return (EROFS);
318 if (vap->va_size != VNOVAL) {
319 switch (vp->v_type) {
320 case VDIR:
321 return (EISDIR);
322 case VREG:
323 /*
324 * Disallow write attempts if the filesystem is
325 * mounted read-only.
326 */
327 if (vp->v_mount->mnt_flag & MNT_RDONLY)
328 return (EROFS);
329 vnode_pager_setsize(vp, (u_long)vap->va_size);
330 tsize = np->n_size;
331 np->n_size = vap->va_size;
332 break;
333 default:
334 return EINVAL;
335 };
336 }
87de5057 337 error = ncp_setattr(vp, vap, ap->a_cred, td);
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338 if (error && vap->va_size != VNOVAL) {
339 np->n_size = tsize;
340 vnode_pager_setsize(vp, (u_long)tsize);
341 }
342 np->n_atime = 0; /* invalidate cache */
87de5057 343 VOP_GETATTR(vp, vap);
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344 np->n_mtime = vap->va_mtime.tv_sec;
345 return (0);
346}
a9bb80e0 347
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348/*
349 * nwfs_read call.
a9bb80e0
CP
350 *
351 * nwfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
352 * struct ucred *a_cred)
984263bc
MD
353 */
354static int
a9bb80e0 355nwfs_read(struct vop_read_args *ap)
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356{
357 struct vnode *vp = ap->a_vp;
358 struct uio *uio=ap->a_uio;
359 int error;
360 NCPVNDEBUG("nwfs_read:\n");
361
362 if (vp->v_type != VREG && vp->v_type != VDIR)
363 return (EPERM);
364 error = nwfs_readvnode(vp, uio, ap->a_cred);
365 return error;
366}
367
a9bb80e0
CP
368/*
369 * nwfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
370 * struct ucred *a_cred)
371 */
984263bc 372static int
a9bb80e0 373nwfs_write(struct vop_write_args *ap)
984263bc
MD
374{
375 struct vnode *vp = ap->a_vp;
376 struct uio *uio = ap->a_uio;
377 int error;
378
379 NCPVNDEBUG("%d,ofs=%d,sz=%d\n",vp->v_type, (int)uio->uio_offset, uio->uio_resid);
380
381 if (vp->v_type != VREG)
382 return (EPERM);
383 error = nwfs_writevnode(vp, uio, ap->a_cred,ap->a_ioflag);
384 return(error);
385}
386/*
387 * nwfs_create call
388 * Create a regular file. On entry the directory to contain the file being
fad57d0e 389 * created is locked. We must release before we return.
a9bb80e0
CP
390 *
391 * nwfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
392 * struct componentname *a_cnpl, struct vattr *a_vap)
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393 */
394static int
e62afb5f 395nwfs_create(struct vop_old_create_args *ap)
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396{
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;
60233e58 401 struct vnode *vp = NULL;
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402 int error = 0, fmode;
403 struct vattr vattr;
404 struct nwnode *np;
405 struct ncp_open_info no;
406 struct nwmount *nmp=VTONWFS(dvp);
407 ncpfid fid;
408
409
410 NCPVNDEBUG("\n");
411 *vpp = NULL;
412 if (vap->va_type == VSOCK)
413 return (EOPNOTSUPP);
87de5057 414 if ((error = VOP_GETATTR(dvp, &vattr))) {
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415 return (error);
416 }
417 fmode = AR_READ | AR_WRITE;
418/* if (vap->va_vaflags & VA_EXCLUSIVE)
419 fmode |= AR_DENY_READ | AR_DENY_WRITE;*/
420
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,
dadab5e9 423 0, fmode, &no, cnp->cn_td, cnp->cn_cred);
984263bc 424 if (!error) {
dadab5e9 425 error = ncp_close_file(NWFSTOCONN(nmp), &no.fh, cnp->cn_td,cnp->cn_cred);
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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);
429 if (!error) {
430 np = VTONW(vp);
431 np->opened = 0;
432 *vpp = vp;
433 }
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434 }
435 return (error);
436}
437
438/*
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.
a9bb80e0 441 *
31bd717a
MD
442 * nwfs_remove(struct vnode *a_dvp,
443 * struct vnode *a_vp, struct componentname *a_cnp)
984263bc
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444 */
445static int
e62afb5f 446nwfs_remove(struct vop_old_remove_args *ap)
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447{
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);
453 int error;
454
3c37c940 455 if (vp->v_type == VDIR || np->opened || vp->v_sysref.refcnt > 1) {
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456 error = EPERM;
457 } else if (!ncp_conn_valid(NWFSTOCONN(nmp))) {
458 error = EIO;
459 } else {
984263bc 460 error = ncp_DeleteNSEntry(nmp, VTONW(dvp)->n_fid.f_id,
dadab5e9 461 cnp->cn_namelen,cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
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462 if (error == 0)
463 np->n_flag |= NSHOULDFREE;
464 else if (error == 0x899c)
465 error = EACCES;
466 }
467 return (error);
468}
469
470/*
471 * nwfs_file rename call
a9bb80e0
CP
472 *
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)
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476 */
477static int
e62afb5f 478nwfs_rename(struct vop_old_rename_args *ap)
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479{
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;
488 int error=0;
489
490 /* Check for cross-device rename */
491 if ((fvp->v_mount != tdvp->v_mount) ||
492 (tvp && (fvp->v_mount != tvp->v_mount))) {
493 error = EXDEV;
494 goto out;
495 }
496
3c37c940 497 if (tvp && tvp->v_sysref.refcnt > 1) {
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MD
498 error = EBUSY;
499 goto out;
500 }
501 if (tvp && tvp != fvp) {
502 error = ncp_DeleteNSEntry(nmp, VTONW(tdvp)->n_fid.f_id,
503 tcnp->cn_namelen, tcnp->cn_nameptr,
dadab5e9 504 tcnp->cn_td, tcnp->cn_cred);
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MD
505 if (error == 0x899c) error = EACCES;
506 if (error)
507 goto out;
508 }
509 if (fvp->v_type == VDIR) {
510 oldtype |= NW_TYPE_SUBDIR;
511 } else if (fvp->v_type == VREG) {
512 oldtype |= NW_TYPE_FILE;
513 } else
514 return EINVAL;
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,
dadab5e9 519 tcnp->cn_td,tcnp->cn_cred);
984263bc
MD
520
521 if (error == 0x8992)
522 error = EEXIST;
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523out:
524 if (tdvp == tvp)
525 vrele(tdvp);
526 else
527 vput(tdvp);
528 if (tvp)
529 vput(tvp);
530 vrele(fdvp);
531 vrele(fvp);
532 nwfs_attr_cacheremove(fdvp);
533 nwfs_attr_cacheremove(tdvp);
534 /*
535 * Need to get rid of old vnodes, because netware will change
536 * file id on rename
537 */
3c37c940 538 vgone_vxlocked(fvp);
984263bc 539 if (tvp)
3c37c940 540 vgone_vxlocked(tvp);
984263bc
MD
541 /*
542 * Kludge: Map ENOENT => 0 assuming that it is a reply to a retry.
543 */
544 if (error == ENOENT)
545 error = 0;
546 return (error);
547}
548
549/*
550 * nwfs hard link create call
551 * Netware filesystems don't know what links are.
a9bb80e0
CP
552 *
553 * nwfs_link(struct vnode *a_tdvp, struct vnode *a_vp,
554 * struct componentname *a_cnp)
984263bc
MD
555 */
556static int
e62afb5f 557nwfs_link(struct vop_old_link_args *ap)
984263bc
MD
558{
559 return EOPNOTSUPP;
560}
561
562/*
563 * nwfs_symlink link create call
564 * Netware filesystems don't know what symlinks are.
a9bb80e0
CP
565 *
566 * nwfs_symlink(struct vnode *a_dvp, struct vnode **a_vpp,
567 * struct componentname *a_cnp, struct vattr *a_vap,
568 * char *a_target)
984263bc
MD
569 */
570static int
e62afb5f 571nwfs_symlink(struct vop_old_symlink_args *ap)
984263bc
MD
572{
573 return (EOPNOTSUPP);
574}
575
e62afb5f 576static int nwfs_mknod(struct vop_old_mknod_args *ap)
984263bc
MD
577{
578 return (EOPNOTSUPP);
579}
580
581/*
582 * nwfs_mkdir call
a9bb80e0
CP
583 *
584 * nwfs_mkdir(struct vnode *a_dvp, struct vnode **a_vpp,
585 * struct componentname *a_cnp, struct vattr *a_vap)
984263bc
MD
586 */
587static int
e62afb5f 588nwfs_mkdir(struct vop_old_mkdir_args *ap)
984263bc
MD
589{
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;
595 struct nwnode *np;
60233e58 596 struct vnode *newvp = NULL;
984263bc
MD
597 ncpfid fid;
598 int error = 0;
599 struct vattr vattr;
600 char *name=cnp->cn_nameptr;
601
87de5057 602 if ((error = VOP_GETATTR(dvp, &vattr))) {
984263bc
MD
603 return (error);
604 }
605 if ((name[0] == '.') && ((len == 1) || ((len == 2) && (name[1] == '.')))) {
606 return EEXIST;
607 }
608 if (ncp_open_create_file_or_subdir(VTONWFS(dvp),dvp, cnp->cn_namelen,
609 cnp->cn_nameptr,OC_MODE_CREATE, aDIR, 0xffff,
dadab5e9 610 &no, cnp->cn_td, cnp->cn_cred) != 0) {
984263bc
MD
611 error = EACCES;
612 } else {
613 error = 0;
614 }
615 if (!error) {
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);
619 if (!error) {
620 np = VTONW(newvp);
621 newvp->v_type = VDIR;
622 *ap->a_vpp = newvp;
623 }
624 }
625 return (error);
626}
627
628/*
629 * nwfs_remove directory call
a9bb80e0
CP
630 *
631 * nwfs_rmdir(struct vnode *a_dvp, struct vnode *a_vp,
632 * struct componentname *a_cnp)
984263bc
MD
633 */
634static int
e62afb5f 635nwfs_rmdir(struct vop_old_rmdir_args *ap)
984263bc
MD
636{
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);
643 int error = EIO;
644
645 if (dvp == vp)
646 return EINVAL;
647
648 error = ncp_DeleteNSEntry(nmp, dnp->n_fid.f_id,
dadab5e9 649 cnp->cn_namelen, cnp->cn_nameptr,cnp->cn_td,cnp->cn_cred);
984263bc
MD
650 if (error == 0)
651 np->n_flag |= NSHOULDFREE;
652 else if (error == NWE_DIR_NOT_EMPTY)
653 error = ENOTEMPTY;
654 dnp->n_flag |= NMODIFIED;
655 nwfs_attr_cacheremove(dvp);
984263bc
MD
656 return (error);
657}
658
659/*
660 * nwfs_readdir call
a9bb80e0
CP
661 *
662 * nwfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
84009d92 663 * int *a_eofflag, off_t *a_cookies, int a_ncookies)
984263bc
MD
664 */
665static int
a9bb80e0 666nwfs_readdir(struct vop_readdir_args *ap)
984263bc
MD
667{
668 struct vnode *vp = ap->a_vp;
669 struct uio *uio = ap->a_uio;
670 int error;
671
672 if (vp->v_type != VDIR)
673 return (EPERM);
674 if (ap->a_ncookies) {
086c1d7e 675 kprintf("nwfs_readdir: no support for cookies now...");
984263bc
MD
676 return (EOPNOTSUPP);
677 }
885ecb13
MD
678 if ((error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY)) != 0)
679 return (error);
984263bc 680 error = nwfs_readvnode(vp, uio, ap->a_cred);
885ecb13 681 vn_unlock(vp);
984263bc
MD
682 return error;
683}
a9bb80e0
CP
684
685/*
b478fdce 686 * nwfs_fsync(struct vnode *a_vp, int a_waitfor)
a9bb80e0 687 */
984263bc
MD
688/* ARGSUSED */
689static int
a9bb80e0 690nwfs_fsync(struct vop_fsync_args *ap)
984263bc 691{
b478fdce 692/* return (nfs_flush(ap->a_vp, ap->a_waitfor, curthread, 1));*/
984263bc
MD
693 return (0);
694}
695
a9bb80e0
CP
696/*
697 * nwfs_print(struct vnode *a_vp)
698 */
984263bc 699/* ARGSUSED */
a9bb80e0
CP
700static int
701nwfs_print(struct vop_print_args *ap)
984263bc
MD
702{
703 struct vnode *vp = ap->a_vp;
704 struct nwnode *np = VTONW(vp);
705
086c1d7e 706 kprintf("nwfs node: name = '%s', fid = %d, pfid = %d\n",
984263bc
MD
707 np->n_name, np->n_fid.f_id, np->n_fid.f_parent);
708 return (0);
709}
710
a9bb80e0
CP
711/*
712 * nwfs_pathconf(struct vnode *vp, int name, register_t *retval)
713 */
714static int
715nwfs_pathconf(struct vop_pathconf_args *ap)
984263bc
MD
716{
717 int name=ap->a_name, error=0;
718 register_t *retval=ap->a_retval;
719
720 switch(name){
721 case _PC_LINK_MAX:
722 *retval=0;
723 break;
724 case _PC_NAME_MAX:
725 *retval=NCP_MAX_FILENAME; /* XXX from nwfsnode */
726 break;
727 case _PC_PATH_MAX:
728 *retval=NCP_MAXPATHLEN; /* XXX from nwfsnode */
729 break;
730 default:
731 error=EINVAL;
732 }
733 return(error);
734}
735
a9bb80e0 736/*
81b5c339 737 * nwfs_strategy(struct vnode *a_vp, struct bio *a_bio)
a9bb80e0
CP
738 */
739static int
740nwfs_strategy(struct vop_strategy_args *ap)
984263bc 741{
81b5c339
MD
742 struct bio *bio = ap->a_bio;
743 struct buf *bp = bio->bio_buf;
984263bc 744 int error = 0;
dadab5e9 745 struct thread *td = NULL;
984263bc
MD
746
747 NCPVNDEBUG("\n");
dadab5e9
MD
748 if ((bp->b_flags & B_ASYNC) == 0)
749 td = curthread; /* YYY dunno if this is legal */
984263bc
MD
750 /*
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.
754 */
755 if ((bp->b_flags & B_ASYNC) == 0 )
81b5c339 756 error = nwfs_doio(ap->a_vp, bio, proc0.p_ucred, td);
984263bc
MD
757 return (error);
758}
759
a9bb80e0 760/*
08daea96 761 * nwfs_bmap(struct vnode *a_vp, off_t a_loffset,
54078292 762 * off_t *a_doffsetp, int *a_runp, int *a_runb)
a9bb80e0 763 */
984263bc 764static int
a9bb80e0 765nwfs_bmap(struct vop_bmap_args *ap)
984263bc 766{
54078292
MD
767 if (ap->a_doffsetp != NULL)
768 *ap->a_doffsetp = ap->a_loffset;
984263bc
MD
769 if (ap->a_runp != NULL)
770 *ap->a_runp = 0;
771 if (ap->a_runb != NULL)
772 *ap->a_runb = 0;
773 return (0);
774}
775
776int
7648a732 777nwfs_nget(struct mount *mp, ncpfid fid, const struct nw_entry_info *fap,
984263bc
MD
778 struct vnode *dvp, struct vnode **vpp)
779{
780 int error;
781 struct nwnode *newnp;
782 struct vnode *vp;
783
784 *vpp = NULL;
785 error = nwfs_allocvp(mp, fid, &vp);
786 if (error)
787 return error;
788 newnp = VTONW(vp);
789 if (fap) {
790 newnp->n_attr = fap->attributes;
791 vp->v_type = newnp->n_attr & aDIR ? VDIR : VREG;
792 nwfs_attr_cacheenter(vp, fap);
793 }
794 if (dvp) {
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 */
800 }
801 }
802 } else {
803 if ((newnp->n_flag & NNEW) && vp->v_type == VREG)
086c1d7e 804 kprintf("new vnode '%s' borned without parent ?\n",newnp->n_name);
984263bc
MD
805 }
806 newnp->n_flag &= ~NNEW;
807 *vpp = vp;
808 return 0;
809}
810
811/*
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.
a9bb80e0 815 *
31bd717a
MD
816 * nwfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
817 * struct componentname *a_cnp)
984263bc
MD
818 */
819int
e62afb5f 820nwfs_lookup(struct vop_old_lookup_args *ap)
984263bc
MD
821{
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;
826 struct vnode *vp;
827 struct nwmount *nmp;
828 struct mount *mp = dvp->v_mount;
829 struct nwnode *dnp, *npp;
830 struct nw_entry_info fattr, *fap;
831 ncpfid fid;
fad57d0e 832 int nameiop=cnp->cn_nameiop;
984263bc 833 int lockparent, wantparent, error = 0, notfound;
dadab5e9 834 struct thread *td = cnp->cn_td;
984263bc
MD
835 char _name[cnp->cn_namelen+1];
836 bcopy(cnp->cn_nameptr,_name,cnp->cn_namelen);
837 _name[cnp->cn_namelen]=0;
838
839 if (dvp->v_type != VDIR)
840 return (ENOTDIR);
2b69e610 841 if ((flags & CNP_ISDOTDOT) && (dvp->v_flag & VROOT)) {
086c1d7e 842 kprintf("nwfs_lookup: invalid '..'\n");
984263bc
MD
843 return EIO;
844 }
845
846 NCPVNDEBUG("%d '%s' in '%s' id=d\n", nameiop, _name,
847 VTONW(dvp)->n_name/*, VTONW(dvp)->n_name*/);
848
fad57d0e 849 if ((mp->mnt_flag & MNT_RDONLY) && nameiop != NAMEI_LOOKUP)
984263bc 850 return (EROFS);
87de5057 851 if ((error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred)))
984263bc 852 return (error);
2b69e610
MD
853 lockparent = flags & CNP_LOCKPARENT;
854 wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
984263bc
MD
855 nmp = VFSTONWFS(mp);
856 dnp = VTONW(dvp);
857/*
086c1d7e 858kprintf("dvp %d:%d:%d\n", (int)mp, (int)dvp->v_flag & VROOT, (int)flags & CNP_ISDOTDOT);
984263bc
MD
859*/
860 error = ncp_pathcheck(cnp->cn_nameptr, cnp->cn_namelen, &nmp->m.nls,
2b69e610 861 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && (nmp->m.nls.opt & NWHP_NOSTRICT) == 0);
984263bc
MD
862 if (error)
863 return ENOENT;
864
984263bc
MD
865 error = 0;
866 *vpp = NULLVP;
867 fap = NULL;
2b69e610 868 if (flags & CNP_ISDOTDOT) {
984263bc
MD
869 if (NWCMPF(&dnp->n_parent, &nmp->n_rootent)) {
870 fid = nmp->n_rootent;
871 fap = NULL;
872 notfound = 0;
873 } else {
dadab5e9 874 error = nwfs_lookupnp(nmp, dnp->n_parent, td, &npp);
984263bc
MD
875 if (error) {
876 return error;
877 }
878 fid = dnp->n_parent;
879 fap = &fattr;
880 /*np = *npp;*/
881 notfound = ncp_obtain_info(nmp, npp->n_dosfid,
dadab5e9 882 0, NULL, fap, td, cnp->cn_cred);
984263bc
MD
883 }
884 } else {
885 fap = &fattr;
886 notfound = ncp_lookup(dvp, cnp->cn_namelen, cnp->cn_nameptr,
dadab5e9 887 fap, td, cnp->cn_cred);
984263bc
MD
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;
891 } else
892 fid.f_parent = dnp->n_fid.f_id;
893 NCPVNDEBUG("call to ncp_lookup returned=%d\n",notfound);
894 }
895 if (notfound && notfound < 0x80 )
896 return (notfound); /* hard error */
897 if (notfound) { /* entry not found */
898 /* Handle RENAME or CREATE case... */
fad57d0e 899 if ((nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME) && wantparent) {
984263bc 900 if (!lockparent)
a11aaa81 901 vn_unlock(dvp);
984263bc
MD
902 return (EJUSTRETURN);
903 }
904 return ENOENT;
905 }/* else {
906 NCPVNDEBUG("Found entry %s with id=%d\n", fap->entryName, fap->dirEntNum);
907 }*/
908 /* handle DELETE case ... */
fad57d0e 909 if (nameiop == NAMEI_DELETE) { /* delete last component */
87de5057 910 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
984263bc
MD
911 if (error) return (error);
912 if (NWCMPF(&dnp->n_fid, &fid)) { /* we found ourselfs */
597aea93 913 vref(dvp);
984263bc
MD
914 *vpp = dvp;
915 return 0;
916 }
917 error = nwfs_nget(mp, fid, fap, dvp, &vp);
918 if (error) return (error);
919 *vpp = vp;
a11aaa81 920 if (!lockparent) vn_unlock(dvp);
984263bc
MD
921 return (0);
922 }
fad57d0e 923 if (nameiop == NAMEI_RENAME && wantparent) {
87de5057 924 error = VOP_ACCESS(dvp, VWRITE, cnp->cn_cred);
984263bc
MD
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);
929 *vpp = vp;
984263bc 930 if (!lockparent)
a11aaa81 931 vn_unlock(dvp);
984263bc
MD
932 return (0);
933 }
2b69e610 934 if (flags & CNP_ISDOTDOT) {
a11aaa81 935 vn_unlock(dvp); /* race to get the inode */
984263bc
MD
936 error = nwfs_nget(mp, fid, NULL, NULL, &vp);
937 if (error) {
ca466bae 938 vn_lock(dvp, LK_EXCLUSIVE | LK_RETRY);
984263bc
MD
939 return (error);
940 }
ca466bae 941 if (lockparent && (error = vn_lock(dvp, LK_EXCLUSIVE))) {
984263bc
MD
942 vput(vp);
943 return (error);
944 }
945 *vpp = vp;
946 } else if (NWCMPF(&dnp->n_fid, &fid)) {
947 vref(dvp);
948 *vpp = dvp;
949 } else {
950 error = nwfs_nget(mp, fid, fap, dvp, &vp);
951 if (error) return (error);
952 *vpp = vp;
953 NCPVNDEBUG("lookup: getnewvp!\n");
fad57d0e 954 if (!lockparent)
a11aaa81 955 vn_unlock(dvp);
984263bc 956 }
fad57d0e
MD
957#if 0
958 /* XXX MOVE TO NREMOVE */
959 if ((cnp->cn_flags & CNP_MAKEENTRY)) {
984263bc 960 VTONW(*vpp)->n_ctime = VTONW(*vpp)->n_vattr.va_ctime.tv_sec;
fad57d0e 961 /* XXX */
984263bc 962 }
fad57d0e 963#endif
984263bc
MD
964 return (0);
965}