1 /*
2 * Copyright (c) 2019 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/vnode_internal.h>
33 #include <sys/proc.h>
34 #include <sys/kauth.h>
35 #include <sys/mount_internal.h>
36 #include <sys/fcntl.h>
37 #include <sys/unistd.h>
38 #include <sys/malloc.h>
39 #include <vfs/vfs_support.h>
40
41 #include <libkern/OSAtomic.h>
42
43 #if CONFIG_MACF
44 #include <security/mac_framework.h>
45 #endif
46
47 #include "routefs.h"
48
49 static int routefs_init(__unused struct vfsconf *vfsp);
50 static int routefs_mount(struct mount *mp, __unused vnode_t devvp, __unused user_addr_t data, vfs_context_t ctx);
51 static int routefs_start(__unused struct mount *mp, __unused int flags, __unused vfs_context_t ctx);
52 static int routefs_unmount( struct mount *mp, int mntflags, __unused vfs_context_t ctx);
53 static int routefs_root(struct mount *mp, struct vnode **vpp, __unused vfs_context_t ctx);
54 static int routefs_statfs( struct mount *mp, struct vfsstatfs *sbp, __unused vfs_context_t ctx);
55 static int routefs_vfs_getattr(__unused mount_t mp, struct vfs_attr *fsap, __unused vfs_context_t ctx);
56 static int routefs_sync(__unused struct mount *mp, __unused int waitfor, __unused vfs_context_t ctx);
57 static int routefs_vget(__unused struct mount *mp, __unused ino64_t ino, __unused struct vnode **vpp, __unused vfs_context_t ctx);
58 static int routefs_fhtovp(__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx);
59 static int routefs_vptofh(__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx);
60 static int routefs_sysctl(__unused int *name, __unused u_int namelen, __unused user_addr_t oldp,
61 __unused size_t *oldlenp, __unused user_addr_t newp,
62 __unused size_t newlen, __unused vfs_context_t ctx);
63 static int routefserr_lookup(__unused struct vnop_lookup_args * args);
64
65 static int routefserr_setlabel(__unused struct vnop_setlabel_args * args);
66
67
68 LCK_GRP_DECLARE(routefs_lck_grp, "routefs_lock");
69 LCK_MTX_DECLARE(routefs_mutex, &routefs_lck_grp);
70
71 #define ROUTEFS_LOCK() lck_mtx_lock(&routefs_mutex)
72 #define ROUTEFS_UNLOCK() lck_mtx_unlock(&routefs_mutex)
73 static boolean_t _fs_alreadyMounted = FALSE; /* atleast a mount of this filesystem is present */
74
75 static int
routefs_init(__unused struct vfsconf * vfsp)76 routefs_init(__unused struct vfsconf *vfsp)
77 {
78 return 0;
79 }
80
81 static int
routefs_mount(struct mount * mp,__unused vnode_t devvp,user_addr_t data,vfs_context_t ctx)82 routefs_mount(struct mount *mp, __unused vnode_t devvp, user_addr_t data, vfs_context_t ctx)
83 {
84 struct routefs_mount *routefs_mp_p = NULL; /* routefs specific mount info */
85 int error = EINVAL;
86 struct routefs_args * rargs = (struct routefs_args *)data;
87
88 /*-
89 * If they just want to update, we don't need to do anything.
90 */
91 if (mp->mnt_flag & MNT_UPDATE) {
92 return 0;
93 }
94
95
96 /* check for root mount only */
97 if ((error = proc_suser(current_proc())) != 0) {
98 goto out;
99 }
100
101 if (vfs_iskernelmount(mp) == FALSE) {
102 error = EPERM;
103 goto out;
104 }
105
106 if (_fs_alreadyMounted == TRUE) {
107 /* if a filesystem is mounted, it needs to be unmounted prior to mount again */
108 error = EPERM;
109 goto out;
110 }
111
112 /* Advisory locking should be handled at the VFS layer */
113 vfs_setlocklocal(mp);
114
115 /*-
116 * Well, it's not an update, it's a real mount request.
117 * Time to get dirty.
118 * HERE we should check to see if we are already mounted here.
119 */
120
121 routefs_mp_p = kalloc_type(struct routefs_mount,
122 Z_WAITOK | Z_ZERO | Z_NOFAIL);
123
124 routefs_mp_p->route_mount = mp;
125
126 if (rargs->route_rvp == NULLVP) {
127 error = EACCES;
128 goto out;
129 }
130
131 strlcpy(routefs_mp_p->route_path, rargs->route_path, MAXPATHLEN);
132 routefs_mp_p->route_rvp = rargs->route_rvp;
133 routefs_mp_p->route_vpvid = vnode_vid(rargs->route_rvp);
134
135 if (vnode_ref(routefs_mp_p->route_rvp) != 0) {
136 error = EACCES;
137 goto out;
138 }
139
140 /*
141 * Fill out some fields
142 */
143 __IGNORE_WCASTALIGN(mp->mnt_data = (qaddr_t)routefs_mp_p);
144 mp->mnt_vfsstat.f_fsid.val[0] = (int32_t)VM_KERNEL_ADDRHASH(routefs_mp_p);
145 mp->mnt_vfsstat.f_fsid.val[1] = vfs_typenum(mp);
146 mp->mnt_flag |= MNT_LOCAL;
147
148 /*-
149 * Copy in the name of the directory the filesystem
150 * is to be mounted on.
151 * And we clear the remainder of the character strings
152 * to be tidy.
153 */
154
155 bzero(mp->mnt_vfsstat.f_mntfromname, MAXPATHLEN);
156 bcopy("routefs", mp->mnt_vfsstat.f_mntfromname, 5);
157 (void)routefs_statfs(mp, &mp->mnt_vfsstat, ctx);
158 _fs_alreadyMounted = TRUE; /* yep, fs is in play now */
159 error = 0;
160 out:
161 if (error != 0) {
162 if (routefs_mp_p != NULL) {
163 kfree_type(struct routefs_mount, routefs_mp_p);
164 }
165 }
166 return error;
167 }
168
169
170 static int
routefs_start(__unused struct mount * mp,__unused int flags,__unused vfs_context_t ctx)171 routefs_start(__unused struct mount *mp, __unused int flags, __unused vfs_context_t ctx)
172 {
173 return 0;
174 }
175
176 /*-
177 * Unmount the filesystem described by mp.
178 */
179 static int
routefs_unmount(struct mount * mp,int mntflags,__unused vfs_context_t ctx)180 routefs_unmount( struct mount *mp, int mntflags, __unused vfs_context_t ctx)
181 {
182 struct routefs_mount *routefs_mp_p = (struct routefs_mount *)mp->mnt_data;
183 int flags = 0;
184 int force = 0;
185 int error;
186
187 /* check for root unmount only */
188 if ((error = proc_suser(current_proc())) != 0) {
189 return error;
190 }
191
192 if (mntflags & MNT_FORCE) {
193 flags |= FORCECLOSE;
194 force = 1;
195 }
196 /* giveup the ioref of vnode, no longer need it */
197 if (routefs_mp_p->route_rvp != NULLVP) {
198 if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) {
199 vnode_rele(routefs_mp_p->route_rvp);
200 vnode_put(routefs_mp_p->route_rvp);
201 routefs_mp_p->route_rvp = NULLVP;
202 }
203 }
204 /* no vnodes, ignore any errors */
205 (void)vflush(mp, NULLVP, flags);
206 kfree_type(struct routefs_mount, routefs_mp_p);
207 mp->mnt_data = (qaddr_t)0;
208 mp->mnt_flag &= ~MNT_LOCAL;
209 _fs_alreadyMounted = FALSE; /* unmounted the fs, only one allowed at a time */
210 return 0;
211 }
212
213 /* return the address of the root vnode in *vpp */
214 static int
routefs_root(struct mount * mp,struct vnode ** vpp,__unused vfs_context_t ctx)215 routefs_root(struct mount *mp, struct vnode **vpp, __unused vfs_context_t ctx)
216 {
217 struct routefs_mount *routefs_mp_p = (struct routefs_mount *)(mp->mnt_data);
218 int error = 0;
219
220 /* check for nullvp incase its being rolled */
221 if (routefs_mp_p->route_rvp == NULLVP) {
222 ROUTEFS_LOCK();
223 if (routefs_mp_p->route_rvp == NULLVP) {
224 ROUTEFS_UNLOCK();
225 error = EACCES;
226 goto out;
227 }
228 ROUTEFS_UNLOCK();
229 }
230 if (vnode_getwithvid(routefs_mp_p->route_rvp, routefs_mp_p->route_vpvid) != 0) {
231 /* only one in the path., since no vnodes with this, you can hold across this call */
232 ROUTEFS_LOCK();
233 if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) {
234 vnode_rele(routefs_mp_p->route_rvp);
235 vnode_put(routefs_mp_p->route_rvp);
236 routefs_mp_p->route_rvp = NULLVP;
237 routefs_mp_p->route_vpvid = -1;
238 error = vnode_lookup(routefs_mp_p->route_path, FREAD | O_DIRECTORY, &routefs_mp_p->route_rvp, ctx);
239 if (error == 0) {
240 routefs_mp_p->route_vpvid = vnode_vid(routefs_mp_p->route_rvp);
241 }
242 } else {
243 error = EACCES;
244 }
245 ROUTEFS_UNLOCK();
246
247 if (error != 0) {
248 goto out;
249 }
250 }
251 *vpp = routefs_mp_p->route_rvp;
252 out:
253 return error;
254 }
255
256 static int
routefs_statfs(struct mount * mp,struct vfsstatfs * sbp,__unused vfs_context_t ctx)257 routefs_statfs( struct mount *mp, struct vfsstatfs *sbp, __unused vfs_context_t ctx)
258 {
259 struct routefs_mount *routefs_mp_p = (struct routefs_mount *)mp->mnt_data;
260
261 /*-
262 * Fill in the stat block.
263 */
264 //sbp->f_type = mp->mnt_vfsstat.f_type;
265 sbp->f_flags = 0; /* XXX */
266 sbp->f_bsize = 512;
267 sbp->f_iosize = 512;
268 sbp->f_blocks = (sizeof(struct routefs_mount) + sbp->f_bsize) / sbp->f_bsize;
269 sbp->f_bfree = 0;
270 sbp->f_bavail = 0;
271 sbp->f_files = 0;
272 sbp->f_ffree = 0;
273 sbp->f_fsid.val[0] = (int32_t)VM_KERNEL_ADDRHASH(routefs_mp_p);
274 sbp->f_fsid.val[1] = vfs_typenum(mp);
275
276 return 0;
277 }
278
279 static int
routefs_vfs_getattr(__unused mount_t mp,struct vfs_attr * fsap,__unused vfs_context_t ctx)280 routefs_vfs_getattr(__unused mount_t mp, struct vfs_attr *fsap, __unused vfs_context_t ctx)
281 {
282 VFSATTR_RETURN(fsap, f_objcount, 1);
283 VFSATTR_RETURN(fsap, f_maxobjcount, 1);
284 VFSATTR_RETURN(fsap, f_bsize, 512);
285 VFSATTR_RETURN(fsap, f_iosize, 512);
286 if (VFSATTR_IS_ACTIVE(fsap, f_blocks) || VFSATTR_IS_ACTIVE(fsap, f_bused)) {
287 fsap->f_blocks = (sizeof(struct routefs_mount) + fsap->f_bsize) / fsap->f_bsize;
288 fsap->f_bused = fsap->f_blocks;
289 VFSATTR_SET_SUPPORTED(fsap, f_blocks);
290 VFSATTR_SET_SUPPORTED(fsap, f_bused);
291 }
292 VFSATTR_RETURN(fsap, f_bfree, 0);
293 VFSATTR_RETURN(fsap, f_bavail, 0);
294 VFSATTR_RETURN(fsap, f_files, 0);
295 VFSATTR_RETURN(fsap, f_ffree, 0);
296 VFSATTR_RETURN(fsap, f_fssubtype, 0);
297
298 if (VFSATTR_IS_ACTIVE(fsap, f_capabilities)) {
299 fsap->f_capabilities.capabilities[VOL_CAPABILITIES_FORMAT] =
300 VOL_CAP_FMT_SYMBOLICLINKS |
301 VOL_CAP_FMT_HARDLINKS |
302 VOL_CAP_FMT_NO_ROOT_TIMES |
303 VOL_CAP_FMT_CASE_SENSITIVE |
304 VOL_CAP_FMT_CASE_PRESERVING |
305 VOL_CAP_FMT_FAST_STATFS |
306 VOL_CAP_FMT_2TB_FILESIZE |
307 VOL_CAP_FMT_HIDDEN_FILES;
308 fsap->f_capabilities.capabilities[VOL_CAPABILITIES_INTERFACES] =
309 VOL_CAP_INT_ATTRLIST;
310 fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED1] = 0;
311 fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED2] = 0;
312
313 fsap->f_capabilities.valid[VOL_CAPABILITIES_FORMAT] =
314 VOL_CAP_FMT_PERSISTENTOBJECTIDS |
315 VOL_CAP_FMT_SYMBOLICLINKS |
316 VOL_CAP_FMT_HARDLINKS |
317 VOL_CAP_FMT_JOURNAL |
318 VOL_CAP_FMT_JOURNAL_ACTIVE |
319 VOL_CAP_FMT_NO_ROOT_TIMES |
320 VOL_CAP_FMT_SPARSE_FILES |
321 VOL_CAP_FMT_ZERO_RUNS |
322 VOL_CAP_FMT_CASE_SENSITIVE |
323 VOL_CAP_FMT_CASE_PRESERVING |
324 VOL_CAP_FMT_FAST_STATFS |
325 VOL_CAP_FMT_2TB_FILESIZE |
326 VOL_CAP_FMT_OPENDENYMODES |
327 VOL_CAP_FMT_HIDDEN_FILES |
328 VOL_CAP_FMT_PATH_FROM_ID |
329 VOL_CAP_FMT_NO_VOLUME_SIZES;
330 fsap->f_capabilities.valid[VOL_CAPABILITIES_INTERFACES] =
331 VOL_CAP_INT_SEARCHFS |
332 VOL_CAP_INT_ATTRLIST |
333 VOL_CAP_INT_NFSEXPORT |
334 VOL_CAP_INT_READDIRATTR |
335 VOL_CAP_INT_EXCHANGEDATA |
336 VOL_CAP_INT_COPYFILE |
337 VOL_CAP_INT_ALLOCATE |
338 VOL_CAP_INT_VOL_RENAME |
339 VOL_CAP_INT_ADVLOCK |
340 VOL_CAP_INT_FLOCK |
341 VOL_CAP_INT_EXTENDED_SECURITY |
342 VOL_CAP_INT_USERACCESS |
343 VOL_CAP_INT_MANLOCK |
344 VOL_CAP_INT_EXTENDED_ATTR |
345 VOL_CAP_INT_NAMEDSTREAMS;
346 fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED1] = 0;
347 fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED2] = 0;
348
349 VFSATTR_SET_SUPPORTED(fsap, f_capabilities);
350 }
351
352 if (VFSATTR_IS_ACTIVE(fsap, f_attributes)) {
353 fsap->f_attributes.validattr.commonattr =
354 ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID |
355 ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID |
356 ATTR_CMN_PAROBJID |
357 ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME |
358 ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK |
359 ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID;
360 fsap->f_attributes.validattr.volattr =
361 ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE |
362 ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION |
363 ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT |
364 ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS |
365 ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES |
366 ATTR_VOL_ATTRIBUTES;
367 fsap->f_attributes.validattr.dirattr =
368 ATTR_DIR_LINKCOUNT | ATTR_DIR_MOUNTSTATUS;
369 fsap->f_attributes.validattr.fileattr =
370 ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE |
371 ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE |
372 ATTR_FILE_DATALENGTH;
373 fsap->f_attributes.validattr.forkattr = 0;
374
375 fsap->f_attributes.nativeattr.commonattr =
376 ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID |
377 ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID |
378 ATTR_CMN_PAROBJID |
379 ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME |
380 ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK |
381 ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID;
382 fsap->f_attributes.nativeattr.volattr =
383 ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE |
384 ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION |
385 ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT |
386 ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS |
387 ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES |
388 ATTR_VOL_ATTRIBUTES;
389 fsap->f_attributes.nativeattr.dirattr =
390 ATTR_DIR_MOUNTSTATUS;
391 fsap->f_attributes.nativeattr.fileattr =
392 ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE |
393 ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE |
394 ATTR_FILE_DATALENGTH;
395 fsap->f_attributes.nativeattr.forkattr = 0;
396
397 VFSATTR_SET_SUPPORTED(fsap, f_attributes);
398 }
399
400 return 0;
401 }
402
403 static int
routefs_sync(__unused struct mount * mp,__unused int waitfor,__unused vfs_context_t ctx)404 routefs_sync(__unused struct mount *mp, __unused int waitfor, __unused vfs_context_t ctx)
405 {
406 return 0;
407 }
408
409
410 static int
routefs_vget(__unused struct mount * mp,__unused ino64_t ino,__unused struct vnode ** vpp,__unused vfs_context_t ctx)411 routefs_vget(__unused struct mount *mp, __unused ino64_t ino, __unused struct vnode **vpp, __unused vfs_context_t ctx)
412 {
413 return ENOTSUP;
414 }
415
416 static int
routefs_fhtovp(__unused struct mount * mp,__unused int fhlen,__unused unsigned char * fhp,__unused struct vnode ** vpp,__unused vfs_context_t ctx)417 routefs_fhtovp(__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx)
418 {
419 return EINVAL;
420 }
421
422
423 static int
routefs_vptofh(__unused struct vnode * vp,__unused int * fhlenp,__unused unsigned char * fhp,__unused vfs_context_t ctx)424 routefs_vptofh(__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx)
425 {
426 return EINVAL;
427 }
428
429 static int
routefs_sysctl(__unused int * name,__unused u_int namelen,__unused user_addr_t oldp,__unused size_t * oldlenp,__unused user_addr_t newp,__unused size_t newlen,__unused vfs_context_t ctx)430 routefs_sysctl(__unused int *name, __unused u_int namelen, __unused user_addr_t oldp,
431 __unused size_t *oldlenp, __unused user_addr_t newp,
432 __unused size_t newlen, __unused vfs_context_t ctx)
433 {
434 return ENOTSUP;
435 }
436
437 #include <sys/namei.h>
438 #define MOBILE_DIR_PATH "/private/var/mobile"
439 /*
440 * Function: routefs_kernel_mount
441 * Purpose:
442 * Mount routefs at the given mount point from within the kernel.
443 */
444 int
routefs_kernel_mount(char * routepath)445 routefs_kernel_mount(char * routepath)
446 {
447 int error = EINVAL;
448 vfs_context_t ctx = vfs_context_kernel();
449 char fsname[] = "routefs";
450 struct routefs_args args;
451 char mounthere[] = MOBILE_DIR_PATH; /* !const because of internal casting */
452
453 bzero(&args, sizeof(struct routefs_args));
454 strlcpy(args.route_path, routepath, MAXPATHLEN);
455 error = vnode_lookup(args.route_path, FREAD | O_DIRECTORY, &args.route_rvp, ctx);
456 if (error) {
457 goto out;
458 }
459
460 if (!vnode_isdir(args.route_rvp)) {
461 error = EACCES;
462 goto out;
463 }
464
465 error = kernel_mount(fsname, NULLVP, NULLVP, mounthere, &args, 0, MNT_DONTBROWSE, KERNEL_MOUNT_NOAUTH, ctx);
466 if (error) {
467 goto out;
468 }
469
470 out:
471 if (args.route_rvp != NULLVP) {
472 (void) vnode_put(args.route_rvp);
473 }
474 return error;
475 }
476
477 const struct vfsops routefs_vfsops = {
478 .vfs_mount = routefs_mount,
479 .vfs_start = routefs_start,
480 .vfs_unmount = routefs_unmount,
481 .vfs_root = routefs_root,
482 .vfs_getattr = routefs_vfs_getattr,
483 .vfs_sync = routefs_sync,
484 .vfs_vget = routefs_vget,
485 .vfs_fhtovp = routefs_fhtovp,
486 .vfs_vptofh = routefs_vptofh,
487 .vfs_init = routefs_init,
488 .vfs_sysctl = routefs_sysctl,
489 // There are other VFS ops that we do not support
490 };
491
492 static int
routefserr_lookup(__unused struct vnop_lookup_args * args)493 routefserr_lookup(__unused struct vnop_lookup_args * args)
494 {
495 return ENOTSUP;
496 }
497
498 static int
routefserr_setlabel(__unused struct vnop_setlabel_args * args)499 routefserr_setlabel(__unused struct vnop_setlabel_args * args)
500 {
501 return ENOTSUP;
502 }
503
504 #define VOPFUNC int (*)(void *)
505
506 /* The following ops are used by directories and symlinks */
507 int(**routefs_vnodeop_p)(void *);
508 static const struct vnodeopv_entry_desc routefs_vnodeop_entries[] = {
509 { .opve_op = &vnop_default_desc, .opve_impl = (VOPFUNC)(void *)vn_default_error },
510 { .opve_op = &vnop_lookup_desc, .opve_impl = (VOPFUNC)routefserr_lookup }, /* lookup */
511 { .opve_op = &vnop_create_desc, .opve_impl = (VOPFUNC)err_create }, /* create */
512 { .opve_op = &vnop_whiteout_desc, .opve_impl = (VOPFUNC)err_whiteout }, /* whiteout */
513 { .opve_op = &vnop_mknod_desc, .opve_impl = (VOPFUNC)err_mknod }, /* mknod */
514 { .opve_op = &vnop_open_desc, .opve_impl = (VOPFUNC)err_open }, /* open */
515 { .opve_op = &vnop_close_desc, .opve_impl = (VOPFUNC)err_close }, /* close */
516 { .opve_op = &vnop_getattr_desc, .opve_impl = (VOPFUNC)err_getattr }, /* getattr */
517 { .opve_op = &vnop_setattr_desc, .opve_impl = (VOPFUNC)err_setattr }, /* setattr */
518 { .opve_op = &vnop_read_desc, .opve_impl = (VOPFUNC)err_read }, /* read */
519 { .opve_op = &vnop_write_desc, .opve_impl = (VOPFUNC)err_write }, /* write */
520 { .opve_op = &vnop_ioctl_desc, .opve_impl = (VOPFUNC)err_ioctl }, /* ioctl */
521 { .opve_op = &vnop_select_desc, .opve_impl = (VOPFUNC)err_select }, /* select */
522 { .opve_op = &vnop_revoke_desc, .opve_impl = (VOPFUNC)err_revoke }, /* revoke */
523 { .opve_op = &vnop_mmap_desc, .opve_impl = (VOPFUNC)err_mmap }, /* mmap */
524 { .opve_op = &vnop_fsync_desc, .opve_impl = (VOPFUNC)nop_fsync }, /* fsync */
525 { .opve_op = &vnop_remove_desc, .opve_impl = (VOPFUNC)err_remove }, /* remove */
526 { .opve_op = &vnop_link_desc, .opve_impl = (VOPFUNC)err_link }, /* link */
527 { .opve_op = &vnop_rename_desc, .opve_impl = (VOPFUNC)err_rename }, /* rename */
528 { .opve_op = &vnop_mkdir_desc, .opve_impl = (VOPFUNC)err_mkdir }, /* mkdir */
529 { .opve_op = &vnop_rmdir_desc, .opve_impl = (VOPFUNC)err_rmdir }, /* rmdir */
530 { .opve_op = &vnop_symlink_desc, .opve_impl = (VOPFUNC)err_symlink }, /* symlink */
531 { .opve_op = &vnop_readdir_desc, .opve_impl = (VOPFUNC)err_readdir }, /* readdir */
532 { .opve_op = &vnop_readlink_desc, .opve_impl = (VOPFUNC)err_readlink }, /* readlink */
533 { .opve_op = &vnop_inactive_desc, .opve_impl = (VOPFUNC)err_inactive }, /* inactive */
534 { .opve_op = &vnop_reclaim_desc, .opve_impl = (VOPFUNC)err_reclaim }, /* reclaim */
535 { .opve_op = &vnop_strategy_desc, .opve_impl = (VOPFUNC)err_strategy }, /* strategy */
536 { .opve_op = &vnop_pathconf_desc, .opve_impl = (VOPFUNC)err_pathconf }, /* pathconf */
537 { .opve_op = &vnop_advlock_desc, .opve_impl = (VOPFUNC)err_advlock }, /* advlock */
538 { .opve_op = &vnop_bwrite_desc, .opve_impl = (VOPFUNC)err_bwrite },
539 { .opve_op = &vnop_pagein_desc, .opve_impl = (VOPFUNC)err_pagein }, /* Pagein */
540 { .opve_op = &vnop_pageout_desc, .opve_impl = (VOPFUNC)err_pageout }, /* Pageout */
541 { .opve_op = &vnop_copyfile_desc, .opve_impl = (VOPFUNC)err_copyfile }, /* Copyfile */
542 { .opve_op = &vnop_blktooff_desc, .opve_impl = (VOPFUNC)err_blktooff }, /* blktooff */
543 { .opve_op = &vnop_offtoblk_desc, .opve_impl = (VOPFUNC)err_offtoblk }, /* offtoblk */
544 { .opve_op = &vnop_blockmap_desc, .opve_impl = (VOPFUNC)err_blockmap }, /* blockmap */
545 #if CONFIG_MACF
546 { .opve_op = &vnop_setlabel_desc, .opve_impl = (VOPFUNC)routefserr_setlabel }, /* setlabel */
547 #endif
548 { .opve_op = (struct vnodeop_desc*)NULL, .opve_impl = (int (*)(void *))NULL }
549 };
550
551 const struct vnodeopv_desc routefs_vnodeop_opv_desc =
552 { .opv_desc_vector_p = &routefs_vnodeop_p, .opv_desc_ops = routefs_vnodeop_entries };
553