X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/490019cf9519204c5fb36b2fba54ceb983bb6b72..4ba76501152d51ccb5647018f3192c6096367d48:/bsd/miscfs/routefs/routefs_ops.c diff --git a/bsd/miscfs/routefs/routefs_ops.c b/bsd/miscfs/routefs/routefs_ops.c index 194325406..664ae0e16 100644 --- a/bsd/miscfs/routefs/routefs_ops.c +++ b/bsd/miscfs/routefs/routefs_ops.c @@ -1,8 +1,8 @@ /* - * Copyright (c) 2015 Apple Inc. All rights reserved. + * Copyright (c) 2019 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ - * + * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in @@ -11,10 +11,10 @@ * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. - * + * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. - * + * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, @@ -22,7 +22,7 @@ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. - * + * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ @@ -55,11 +55,11 @@ static int routefs_statfs( struct mount *mp, struct vfsstatfs *sbp, __unused vfs static int routefs_vfs_getattr(__unused mount_t mp, struct vfs_attr *fsap, __unused vfs_context_t ctx); static int routefs_sync(__unused struct mount *mp, __unused int waitfor, __unused vfs_context_t ctx); static int routefs_vget(__unused struct mount *mp, __unused ino64_t ino, __unused struct vnode **vpp, __unused vfs_context_t ctx); -static int routefs_fhtovp (__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx); -static int routefs_vptofh (__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx); +static int routefs_fhtovp(__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx); +static int routefs_vptofh(__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx); 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); + __unused size_t *oldlenp, __unused user_addr_t newp, + __unused size_t newlen, __unused vfs_context_t ctx); static int routefserr_lookup(__unused struct vnop_lookup_args * args); static int routefserr_setlabel(__unused struct vnop_setlabel_args * args); @@ -78,47 +78,46 @@ static boolean_t _fs_alreadyMounted = FALSE; /* atleast a mount of this filesys static int routefs_init(__unused struct vfsconf *vfsp) { - routefs_lck_grp_attr = lck_grp_attr_alloc_init(); - routefs_lck_grp = lck_grp_alloc_init("routefs_lock", routefs_lck_grp_attr); - routefs_lck_attr = lck_attr_alloc_init(); - lck_mtx_init(&routefs_mutex, routefs_lck_grp, routefs_lck_attr); - _lock_inited = 1; - - return 0; + routefs_lck_grp_attr = lck_grp_attr_alloc_init(); + routefs_lck_grp = lck_grp_alloc_init("routefs_lock", routefs_lck_grp_attr); + routefs_lck_attr = lck_attr_alloc_init(); + lck_mtx_init(&routefs_mutex, routefs_lck_grp, routefs_lck_attr); + _lock_inited = 1; + + return 0; } static int -routefs_mount(struct mount *mp, __unused vnode_t devvp, user_addr_t data, vfs_context_t ctx) +routefs_mount(struct mount *mp, __unused vnode_t devvp, user_addr_t data, vfs_context_t ctx) { - struct routefs_mount *routefs_mp_p = NULL; /* routefs specific mount info */ - int error=EINVAL; - struct routefs_args * rargs = (struct routefs_args *)data; - + struct routefs_mount *routefs_mp_p = NULL; /* routefs specific mount info */ + int error = EINVAL; + struct routefs_args * rargs = (struct routefs_args *)data; + /*- * If they just want to update, we don't need to do anything. */ - if (mp->mnt_flag & MNT_UPDATE) - { + if (mp->mnt_flag & MNT_UPDATE) { return 0; } - - /* check for root mount only */ - if ((error = proc_suser(current_proc()))!= 0) { - goto out; - } - - if (vfs_iskernelmount(mp) == FALSE) { - error = EPERM; - goto out; - } - - if (_fs_alreadyMounted == TRUE) { - /* if a filesystem is mounted, it needs to be unmounted prior to mount again */ - error = EPERM; - goto out; - } - + + /* check for root mount only */ + if ((error = proc_suser(current_proc())) != 0) { + goto out; + } + + if (vfs_iskernelmount(mp) == FALSE) { + error = EPERM; + goto out; + } + + if (_fs_alreadyMounted == TRUE) { + /* if a filesystem is mounted, it needs to be unmounted prior to mount again */ + error = EPERM; + goto out; + } + /* Advisory locking should be handled at the VFS layer */ vfs_setlocklocal(mp); @@ -129,28 +128,29 @@ routefs_mount(struct mount *mp, __unused vnode_t devvp, user_addr_t data, vfs_c */ MALLOC(routefs_mp_p, struct routefs_mount *, sizeof(struct routefs_mount), - M_TEMP, M_WAITOK); - if (routefs_mp_p == NULL) - return (ENOMEM); + M_TEMP, M_WAITOK); + if (routefs_mp_p == NULL) { + return ENOMEM; + } bzero(routefs_mp_p, sizeof(*routefs_mp_p)); - + routefs_mp_p->route_mount = mp; - if (rargs->route_rvp == NULLVP) { - error = EACCES; - goto out; - } - - strlcpy(routefs_mp_p->route_path,rargs->route_path, MAXPATHLEN); - routefs_mp_p->route_rvp = rargs->route_rvp; - routefs_mp_p->route_vpvid = vnode_vid(rargs->route_rvp); - - if (vnode_ref(routefs_mp_p->route_rvp) != 0) { - error = EACCES; - goto out; - } - - /* + if (rargs->route_rvp == NULLVP) { + error = EACCES; + goto out; + } + + strlcpy(routefs_mp_p->route_path, rargs->route_path, MAXPATHLEN); + routefs_mp_p->route_rvp = rargs->route_rvp; + routefs_mp_p->route_vpvid = vnode_vid(rargs->route_rvp); + + if (vnode_ref(routefs_mp_p->route_rvp) != 0) { + error = EACCES; + goto out; + } + + /* * Fill out some fields */ __IGNORE_WCASTALIGN(mp->mnt_data = (qaddr_t)routefs_mp_p); @@ -164,17 +164,18 @@ routefs_mount(struct mount *mp, __unused vnode_t devvp, user_addr_t data, vfs_c * And we clear the remainder of the character strings * to be tidy. */ - + bzero(mp->mnt_vfsstat.f_mntfromname, MAXPATHLEN); - bcopy("routefs",mp->mnt_vfsstat.f_mntfromname, 5); + bcopy("routefs", mp->mnt_vfsstat.f_mntfromname, 5); (void)routefs_statfs(mp, &mp->mnt_vfsstat, ctx); - _fs_alreadyMounted = TRUE; /* yep, fs is in play now */ + _fs_alreadyMounted = TRUE; /* yep, fs is in play now */ error = 0; out: - if (error != 0) { - if (routefs_mp_p != NULL) - FREE((caddr_t)routefs_mp_p, M_TEMP); - } + if (error != 0) { + if (routefs_mp_p != NULL) { + FREE(routefs_mp_p, M_TEMP); + } + } return error; } @@ -195,30 +196,30 @@ routefs_unmount( struct mount *mp, int mntflags, __unused vfs_context_t ctx) int flags = 0; int force = 0; int error; - - /* check for root unmount only */ - if ((error = proc_suser(current_proc()))!= 0) { - return(error); - } + + /* check for root unmount only */ + if ((error = proc_suser(current_proc())) != 0) { + return error; + } if (mntflags & MNT_FORCE) { flags |= FORCECLOSE; force = 1; } - /* giveup the ioref of vnode, no longer need it */ - if (routefs_mp_p->route_rvp != NULLVP) { - if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) { - vnode_rele(routefs_mp_p->route_rvp); - vnode_put(routefs_mp_p->route_rvp); - routefs_mp_p->route_rvp = NULLVP; - } - } - /* no vnodes, ignore any errors */ - (void)vflush(mp, NULLVP, flags); - FREE((caddr_t)routefs_mp_p, M_TEMP); + /* giveup the ioref of vnode, no longer need it */ + if (routefs_mp_p->route_rvp != NULLVP) { + if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) { + vnode_rele(routefs_mp_p->route_rvp); + vnode_put(routefs_mp_p->route_rvp); + routefs_mp_p->route_rvp = NULLVP; + } + } + /* no vnodes, ignore any errors */ + (void)vflush(mp, NULLVP, flags); + FREE(routefs_mp_p, M_TEMP); mp->mnt_data = (qaddr_t)0; mp->mnt_flag &= ~MNT_LOCAL; - _fs_alreadyMounted = FALSE; /* unmounted the fs, only one allowed at a time */ + _fs_alreadyMounted = FALSE; /* unmounted the fs, only one allowed at a time */ return 0; } @@ -227,38 +228,40 @@ static int routefs_root(struct mount *mp, struct vnode **vpp, __unused vfs_context_t ctx) { struct routefs_mount *routefs_mp_p = (struct routefs_mount *)(mp->mnt_data); - int error=0; - - /* check for nullvp incase its being rolled */ - if (routefs_mp_p->route_rvp == NULLVP) { - ROUTEFS_LOCK(); - if (routefs_mp_p->route_rvp == NULLVP) { - ROUTEFS_UNLOCK(); - error = EACCES; - goto out; - } - ROUTEFS_UNLOCK(); - } - if (vnode_getwithvid(routefs_mp_p->route_rvp, routefs_mp_p->route_vpvid) != 0) { - /* only one in the path., since no vnodes with this, you can hold across this call */ - ROUTEFS_LOCK(); - if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) { - vnode_rele(routefs_mp_p->route_rvp); - vnode_put(routefs_mp_p->route_rvp); - routefs_mp_p->route_rvp = NULLVP; - routefs_mp_p->route_vpvid = -1; - error = vnode_lookup(routefs_mp_p->route_path, FREAD|O_DIRECTORY, &routefs_mp_p->route_rvp, ctx); - if (error == 0) - routefs_mp_p->route_vpvid = vnode_vid(routefs_mp_p->route_rvp); - } else { - error = EACCES; - } - ROUTEFS_UNLOCK(); - - if (error != 0) - goto out; - } - *vpp = routefs_mp_p->route_rvp; + int error = 0; + + /* check for nullvp incase its being rolled */ + if (routefs_mp_p->route_rvp == NULLVP) { + ROUTEFS_LOCK(); + if (routefs_mp_p->route_rvp == NULLVP) { + ROUTEFS_UNLOCK(); + error = EACCES; + goto out; + } + ROUTEFS_UNLOCK(); + } + if (vnode_getwithvid(routefs_mp_p->route_rvp, routefs_mp_p->route_vpvid) != 0) { + /* only one in the path., since no vnodes with this, you can hold across this call */ + ROUTEFS_LOCK(); + if (vnode_getwithref(routefs_mp_p->route_rvp) == 0) { + vnode_rele(routefs_mp_p->route_rvp); + vnode_put(routefs_mp_p->route_rvp); + routefs_mp_p->route_rvp = NULLVP; + routefs_mp_p->route_vpvid = -1; + error = vnode_lookup(routefs_mp_p->route_path, FREAD | O_DIRECTORY, &routefs_mp_p->route_rvp, ctx); + if (error == 0) { + routefs_mp_p->route_vpvid = vnode_vid(routefs_mp_p->route_rvp); + } + } else { + error = EACCES; + } + ROUTEFS_UNLOCK(); + + if (error != 0) { + goto out; + } + } + *vpp = routefs_mp_p->route_rvp; out: return error; } @@ -272,10 +275,10 @@ routefs_statfs( struct mount *mp, struct vfsstatfs *sbp, __unused vfs_context_t * Fill in the stat block. */ //sbp->f_type = mp->mnt_vfsstat.f_type; - sbp->f_flags = 0; /* XXX */ + sbp->f_flags = 0; /* XXX */ sbp->f_bsize = 512; sbp->f_iosize = 512; - sbp->f_blocks = (sizeof(struct routefs_mount)+ sbp->f_bsize) / sbp->f_bsize; + sbp->f_blocks = (sizeof(struct routefs_mount) + sbp->f_bsize) / sbp->f_bsize; sbp->f_bfree = 0; sbp->f_bavail = 0; sbp->f_files = 0; @@ -294,7 +297,7 @@ routefs_vfs_getattr(__unused mount_t mp, struct vfs_attr *fsap, __unused vfs_con VFSATTR_RETURN(fsap, f_bsize, 512); VFSATTR_RETURN(fsap, f_iosize, 512); if (VFSATTR_IS_ACTIVE(fsap, f_blocks) || VFSATTR_IS_ACTIVE(fsap, f_bused)) { - fsap->f_blocks = (sizeof(struct routefs_mount)+ fsap->f_bsize) / fsap->f_bsize; + fsap->f_blocks = (sizeof(struct routefs_mount) + fsap->f_bsize) / fsap->f_bsize; fsap->f_bused = fsap->f_blocks; VFSATTR_SET_SUPPORTED(fsap, f_blocks); VFSATTR_SET_SUPPORTED(fsap, f_bused); @@ -304,116 +307,116 @@ routefs_vfs_getattr(__unused mount_t mp, struct vfs_attr *fsap, __unused vfs_con VFSATTR_RETURN(fsap, f_files, 0); VFSATTR_RETURN(fsap, f_ffree, 0); VFSATTR_RETURN(fsap, f_fssubtype, 0); - + if (VFSATTR_IS_ACTIVE(fsap, f_capabilities)) { fsap->f_capabilities.capabilities[VOL_CAPABILITIES_FORMAT] = - VOL_CAP_FMT_SYMBOLICLINKS | - VOL_CAP_FMT_HARDLINKS | - VOL_CAP_FMT_NO_ROOT_TIMES | - VOL_CAP_FMT_CASE_SENSITIVE | - VOL_CAP_FMT_CASE_PRESERVING | - VOL_CAP_FMT_FAST_STATFS | - VOL_CAP_FMT_2TB_FILESIZE | - VOL_CAP_FMT_HIDDEN_FILES; + VOL_CAP_FMT_SYMBOLICLINKS | + VOL_CAP_FMT_HARDLINKS | + VOL_CAP_FMT_NO_ROOT_TIMES | + VOL_CAP_FMT_CASE_SENSITIVE | + VOL_CAP_FMT_CASE_PRESERVING | + VOL_CAP_FMT_FAST_STATFS | + VOL_CAP_FMT_2TB_FILESIZE | + VOL_CAP_FMT_HIDDEN_FILES; fsap->f_capabilities.capabilities[VOL_CAPABILITIES_INTERFACES] = - VOL_CAP_INT_ATTRLIST ; + VOL_CAP_INT_ATTRLIST; fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED1] = 0; fsap->f_capabilities.capabilities[VOL_CAPABILITIES_RESERVED2] = 0; - + fsap->f_capabilities.valid[VOL_CAPABILITIES_FORMAT] = - VOL_CAP_FMT_PERSISTENTOBJECTIDS | - VOL_CAP_FMT_SYMBOLICLINKS | - VOL_CAP_FMT_HARDLINKS | - VOL_CAP_FMT_JOURNAL | - VOL_CAP_FMT_JOURNAL_ACTIVE | - VOL_CAP_FMT_NO_ROOT_TIMES | - VOL_CAP_FMT_SPARSE_FILES | - VOL_CAP_FMT_ZERO_RUNS | - VOL_CAP_FMT_CASE_SENSITIVE | - VOL_CAP_FMT_CASE_PRESERVING | - VOL_CAP_FMT_FAST_STATFS | - VOL_CAP_FMT_2TB_FILESIZE | - VOL_CAP_FMT_OPENDENYMODES | - VOL_CAP_FMT_HIDDEN_FILES | - VOL_CAP_FMT_PATH_FROM_ID | - VOL_CAP_FMT_NO_VOLUME_SIZES; + VOL_CAP_FMT_PERSISTENTOBJECTIDS | + VOL_CAP_FMT_SYMBOLICLINKS | + VOL_CAP_FMT_HARDLINKS | + VOL_CAP_FMT_JOURNAL | + VOL_CAP_FMT_JOURNAL_ACTIVE | + VOL_CAP_FMT_NO_ROOT_TIMES | + VOL_CAP_FMT_SPARSE_FILES | + VOL_CAP_FMT_ZERO_RUNS | + VOL_CAP_FMT_CASE_SENSITIVE | + VOL_CAP_FMT_CASE_PRESERVING | + VOL_CAP_FMT_FAST_STATFS | + VOL_CAP_FMT_2TB_FILESIZE | + VOL_CAP_FMT_OPENDENYMODES | + VOL_CAP_FMT_HIDDEN_FILES | + VOL_CAP_FMT_PATH_FROM_ID | + VOL_CAP_FMT_NO_VOLUME_SIZES; fsap->f_capabilities.valid[VOL_CAPABILITIES_INTERFACES] = - VOL_CAP_INT_SEARCHFS | - VOL_CAP_INT_ATTRLIST | - VOL_CAP_INT_NFSEXPORT | - VOL_CAP_INT_READDIRATTR | - VOL_CAP_INT_EXCHANGEDATA | - VOL_CAP_INT_COPYFILE | - VOL_CAP_INT_ALLOCATE | - VOL_CAP_INT_VOL_RENAME | - VOL_CAP_INT_ADVLOCK | - VOL_CAP_INT_FLOCK | - VOL_CAP_INT_EXTENDED_SECURITY | - VOL_CAP_INT_USERACCESS | - VOL_CAP_INT_MANLOCK | - VOL_CAP_INT_EXTENDED_ATTR | - VOL_CAP_INT_NAMEDSTREAMS; + VOL_CAP_INT_SEARCHFS | + VOL_CAP_INT_ATTRLIST | + VOL_CAP_INT_NFSEXPORT | + VOL_CAP_INT_READDIRATTR | + VOL_CAP_INT_EXCHANGEDATA | + VOL_CAP_INT_COPYFILE | + VOL_CAP_INT_ALLOCATE | + VOL_CAP_INT_VOL_RENAME | + VOL_CAP_INT_ADVLOCK | + VOL_CAP_INT_FLOCK | + VOL_CAP_INT_EXTENDED_SECURITY | + VOL_CAP_INT_USERACCESS | + VOL_CAP_INT_MANLOCK | + VOL_CAP_INT_EXTENDED_ATTR | + VOL_CAP_INT_NAMEDSTREAMS; fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED1] = 0; fsap->f_capabilities.valid[VOL_CAPABILITIES_RESERVED2] = 0; - + VFSATTR_SET_SUPPORTED(fsap, f_capabilities); } - + if (VFSATTR_IS_ACTIVE(fsap, f_attributes)) { fsap->f_attributes.validattr.commonattr = - ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID | - ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID | - ATTR_CMN_PAROBJID | - ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME | - ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK | - ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID; + ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID | + ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID | + ATTR_CMN_PAROBJID | + ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME | + ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK | + ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID; fsap->f_attributes.validattr.volattr = - ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE | - ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION | - ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT | - ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS | - ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES | - ATTR_VOL_ATTRIBUTES; + ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE | + ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION | + ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT | + ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS | + ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES | + ATTR_VOL_ATTRIBUTES; fsap->f_attributes.validattr.dirattr = - ATTR_DIR_LINKCOUNT | ATTR_DIR_MOUNTSTATUS; + ATTR_DIR_LINKCOUNT | ATTR_DIR_MOUNTSTATUS; fsap->f_attributes.validattr.fileattr = - ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | - ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE | - ATTR_FILE_DATALENGTH; + ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | + ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE | + ATTR_FILE_DATALENGTH; fsap->f_attributes.validattr.forkattr = 0; - + fsap->f_attributes.nativeattr.commonattr = - ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID | - ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID | - ATTR_CMN_PAROBJID | - ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME | - ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK | - ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID; + ATTR_CMN_NAME | ATTR_CMN_DEVID | ATTR_CMN_FSID | + ATTR_CMN_OBJTYPE | ATTR_CMN_OBJTAG | ATTR_CMN_OBJID | + ATTR_CMN_PAROBJID | + ATTR_CMN_MODTIME | ATTR_CMN_CHGTIME | ATTR_CMN_ACCTIME | + ATTR_CMN_OWNERID | ATTR_CMN_GRPID | ATTR_CMN_ACCESSMASK | + ATTR_CMN_FLAGS | ATTR_CMN_USERACCESS | ATTR_CMN_FILEID; fsap->f_attributes.nativeattr.volattr = - ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE | - ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION | - ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT | - ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS | - ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES | - ATTR_VOL_ATTRIBUTES; + ATTR_VOL_FSTYPE | ATTR_VOL_SIZE | ATTR_VOL_SPACEFREE | + ATTR_VOL_SPACEAVAIL | ATTR_VOL_MINALLOCATION | + ATTR_VOL_OBJCOUNT | ATTR_VOL_MAXOBJCOUNT | + ATTR_VOL_MOUNTPOINT | ATTR_VOL_MOUNTFLAGS | + ATTR_VOL_MOUNTEDDEVICE | ATTR_VOL_CAPABILITIES | + ATTR_VOL_ATTRIBUTES; fsap->f_attributes.nativeattr.dirattr = - ATTR_DIR_MOUNTSTATUS; + ATTR_DIR_MOUNTSTATUS; fsap->f_attributes.nativeattr.fileattr = - ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | - ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE | - ATTR_FILE_DATALENGTH; + ATTR_FILE_LINKCOUNT | ATTR_FILE_TOTALSIZE | + ATTR_FILE_IOBLOCKSIZE | ATTR_FILE_DEVTYPE | + ATTR_FILE_DATALENGTH; fsap->f_attributes.nativeattr.forkattr = 0; VFSATTR_SET_SUPPORTED(fsap, f_attributes); } - + return 0; } static int routefs_sync(__unused struct mount *mp, __unused int waitfor, __unused vfs_context_t ctx) { - return (0); + return 0; } @@ -424,24 +427,24 @@ routefs_vget(__unused struct mount *mp, __unused ino64_t ino, __unused struct vn } static int -routefs_fhtovp (__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx) +routefs_fhtovp(__unused struct mount *mp, __unused int fhlen, __unused unsigned char *fhp, __unused struct vnode **vpp, __unused vfs_context_t ctx) { - return (EINVAL); + return EINVAL; } static int -routefs_vptofh (__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx) +routefs_vptofh(__unused struct vnode *vp, __unused int *fhlenp, __unused unsigned char *fhp, __unused vfs_context_t ctx) { - return (EINVAL); + return EINVAL; } 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) + __unused size_t *oldlenp, __unused user_addr_t newp, + __unused size_t newlen, __unused vfs_context_t ctx) { - return (ENOTSUP); + return ENOTSUP; } #include @@ -454,36 +457,37 @@ routefs_sysctl(__unused int *name, __unused u_int namelen, __unused user_addr_t int routefs_kernel_mount(char * routepath) { - int error = EINVAL; + int error = EINVAL; vfs_context_t ctx = vfs_context_kernel(); char fsname[] = "routefs"; - struct routefs_args args; - char mounthere[] = MOBILE_DIR_PATH; /* !const because of internal casting */ - - bzero(&args, sizeof(struct routefs_args)); - strlcpy(args.route_path, routepath, MAXPATHLEN); - error = vnode_lookup(args.route_path, FREAD|O_DIRECTORY, &args.route_rvp, ctx); - if (error) { - goto out; + struct routefs_args args; + char mounthere[] = MOBILE_DIR_PATH; /* !const because of internal casting */ + + bzero(&args, sizeof(struct routefs_args)); + strlcpy(args.route_path, routepath, MAXPATHLEN); + error = vnode_lookup(args.route_path, FREAD | O_DIRECTORY, &args.route_rvp, ctx); + if (error) { + goto out; } - if (!vnode_isdir(args.route_rvp)) { - error = EACCES; - goto out; - } + if (!vnode_isdir(args.route_rvp)) { + error = EACCES; + goto out; + } - error = kernel_mount(fsname, NULLVP, NULLVP, mounthere, &args, 0, MNT_DONTBROWSE, KERNEL_MOUNT_NOAUTH, ctx); + error = kernel_mount(fsname, NULLVP, NULLVP, mounthere, &args, 0, MNT_DONTBROWSE, KERNEL_MOUNT_NOAUTH, ctx); if (error) { goto out; } out: - if(args.route_rvp != NULLVP) - (void) vnode_put(args.route_rvp); - return (error); + if (args.route_rvp != NULLVP) { + (void) vnode_put(args.route_rvp); + } + return error; } -struct vfsops routefs_vfsops = { +const struct vfsops routefs_vfsops = { .vfs_mount = routefs_mount, .vfs_start = routefs_start, .vfs_unmount = routefs_unmount, @@ -498,65 +502,64 @@ struct vfsops routefs_vfsops = { // There are other VFS ops that we do not support }; -static int routefserr_lookup(__unused struct vnop_lookup_args * args) +static int +routefserr_lookup(__unused struct vnop_lookup_args * args) { - return (ENOTSUP); + return ENOTSUP; } -static int routefserr_setlabel(__unused struct vnop_setlabel_args * args) +static int +routefserr_setlabel(__unused struct vnop_setlabel_args * args) { - return (ENOTSUP); - + return ENOTSUP; } #define VOPFUNC int (*)(void *) /* The following ops are used by directories and symlinks */ -int (**routefs_vnodeop_p)(void *); -static struct vnodeopv_entry_desc routefs_vnodeop_entries[] = { - { &vnop_default_desc, (VOPFUNC)vn_default_error }, - { &vnop_lookup_desc, (VOPFUNC)routefserr_lookup }, /* lookup */ - { &vnop_create_desc, (VOPFUNC)err_create }, /* create */ - { &vnop_whiteout_desc, (VOPFUNC)err_whiteout }, /* whiteout */ - { &vnop_mknod_desc, (VOPFUNC)err_mknod }, /* mknod */ - { &vnop_open_desc, (VOPFUNC)err_open }, /* open */ - { &vnop_close_desc, (VOPFUNC)err_close }, /* close */ - { &vnop_getattr_desc, (VOPFUNC)err_getattr }, /* getattr */ - { &vnop_setattr_desc, (VOPFUNC)err_setattr }, /* setattr */ - { &vnop_read_desc, (VOPFUNC)err_read }, /* read */ - { &vnop_write_desc, (VOPFUNC)err_write }, /* write */ - { &vnop_ioctl_desc, (VOPFUNC)err_ioctl }, /* ioctl */ - { &vnop_select_desc, (VOPFUNC)err_select }, /* select */ - { &vnop_revoke_desc, (VOPFUNC)err_revoke }, /* revoke */ - { &vnop_mmap_desc, (VOPFUNC)err_mmap }, /* mmap */ - { &vnop_fsync_desc, (VOPFUNC)nop_fsync }, /* fsync */ - { &vnop_remove_desc, (VOPFUNC)err_remove }, /* remove */ - { &vnop_link_desc, (VOPFUNC)err_link }, /* link */ - { &vnop_rename_desc, (VOPFUNC)err_rename }, /* rename */ - { &vnop_mkdir_desc, (VOPFUNC)err_mkdir }, /* mkdir */ - { &vnop_rmdir_desc, (VOPFUNC)err_rmdir }, /* rmdir */ - { &vnop_symlink_desc, (VOPFUNC)err_symlink }, /* symlink */ - { &vnop_readdir_desc, (VOPFUNC)err_readdir }, /* readdir */ - { &vnop_readlink_desc, (VOPFUNC)err_readlink }, /* readlink */ - { &vnop_inactive_desc, (VOPFUNC)err_inactive }, /* inactive */ - { &vnop_reclaim_desc, (VOPFUNC)err_reclaim }, /* reclaim */ - { &vnop_strategy_desc, (VOPFUNC)err_strategy }, /* strategy */ - { &vnop_pathconf_desc, (VOPFUNC)err_pathconf }, /* pathconf */ - { &vnop_advlock_desc, (VOPFUNC)err_advlock }, /* advlock */ - { &vnop_bwrite_desc, (VOPFUNC)err_bwrite }, - { &vnop_pagein_desc, (VOPFUNC)err_pagein }, /* Pagein */ - { &vnop_pageout_desc, (VOPFUNC)err_pageout }, /* Pageout */ - { &vnop_copyfile_desc, (VOPFUNC)err_copyfile }, /* Copyfile */ - { &vnop_blktooff_desc, (VOPFUNC)err_blktooff }, /* blktooff */ - { &vnop_offtoblk_desc, (VOPFUNC)err_offtoblk }, /* offtoblk */ - { &vnop_blockmap_desc, (VOPFUNC)err_blockmap }, /* blockmap */ +int(**routefs_vnodeop_p)(void *); +static const struct vnodeopv_entry_desc routefs_vnodeop_entries[] = { + { .opve_op = &vnop_default_desc, .opve_impl = (VOPFUNC)vn_default_error }, + { .opve_op = &vnop_lookup_desc, .opve_impl = (VOPFUNC)routefserr_lookup }, /* lookup */ + { .opve_op = &vnop_create_desc, .opve_impl = (VOPFUNC)err_create }, /* create */ + { .opve_op = &vnop_whiteout_desc, .opve_impl = (VOPFUNC)err_whiteout }, /* whiteout */ + { .opve_op = &vnop_mknod_desc, .opve_impl = (VOPFUNC)err_mknod }, /* mknod */ + { .opve_op = &vnop_open_desc, .opve_impl = (VOPFUNC)err_open }, /* open */ + { .opve_op = &vnop_close_desc, .opve_impl = (VOPFUNC)err_close }, /* close */ + { .opve_op = &vnop_getattr_desc, .opve_impl = (VOPFUNC)err_getattr }, /* getattr */ + { .opve_op = &vnop_setattr_desc, .opve_impl = (VOPFUNC)err_setattr }, /* setattr */ + { .opve_op = &vnop_read_desc, .opve_impl = (VOPFUNC)err_read }, /* read */ + { .opve_op = &vnop_write_desc, .opve_impl = (VOPFUNC)err_write }, /* write */ + { .opve_op = &vnop_ioctl_desc, .opve_impl = (VOPFUNC)err_ioctl }, /* ioctl */ + { .opve_op = &vnop_select_desc, .opve_impl = (VOPFUNC)err_select }, /* select */ + { .opve_op = &vnop_revoke_desc, .opve_impl = (VOPFUNC)err_revoke }, /* revoke */ + { .opve_op = &vnop_mmap_desc, .opve_impl = (VOPFUNC)err_mmap }, /* mmap */ + { .opve_op = &vnop_fsync_desc, .opve_impl = (VOPFUNC)nop_fsync }, /* fsync */ + { .opve_op = &vnop_remove_desc, .opve_impl = (VOPFUNC)err_remove }, /* remove */ + { .opve_op = &vnop_link_desc, .opve_impl = (VOPFUNC)err_link }, /* link */ + { .opve_op = &vnop_rename_desc, .opve_impl = (VOPFUNC)err_rename }, /* rename */ + { .opve_op = &vnop_mkdir_desc, .opve_impl = (VOPFUNC)err_mkdir }, /* mkdir */ + { .opve_op = &vnop_rmdir_desc, .opve_impl = (VOPFUNC)err_rmdir }, /* rmdir */ + { .opve_op = &vnop_symlink_desc, .opve_impl = (VOPFUNC)err_symlink }, /* symlink */ + { .opve_op = &vnop_readdir_desc, .opve_impl = (VOPFUNC)err_readdir }, /* readdir */ + { .opve_op = &vnop_readlink_desc, .opve_impl = (VOPFUNC)err_readlink }, /* readlink */ + { .opve_op = &vnop_inactive_desc, .opve_impl = (VOPFUNC)err_inactive }, /* inactive */ + { .opve_op = &vnop_reclaim_desc, .opve_impl = (VOPFUNC)err_reclaim }, /* reclaim */ + { .opve_op = &vnop_strategy_desc, .opve_impl = (VOPFUNC)err_strategy }, /* strategy */ + { .opve_op = &vnop_pathconf_desc, .opve_impl = (VOPFUNC)err_pathconf }, /* pathconf */ + { .opve_op = &vnop_advlock_desc, .opve_impl = (VOPFUNC)err_advlock }, /* advlock */ + { .opve_op = &vnop_bwrite_desc, .opve_impl = (VOPFUNC)err_bwrite }, + { .opve_op = &vnop_pagein_desc, .opve_impl = (VOPFUNC)err_pagein }, /* Pagein */ + { .opve_op = &vnop_pageout_desc, .opve_impl = (VOPFUNC)err_pageout }, /* Pageout */ + { .opve_op = &vnop_copyfile_desc, .opve_impl = (VOPFUNC)err_copyfile }, /* Copyfile */ + { .opve_op = &vnop_blktooff_desc, .opve_impl = (VOPFUNC)err_blktooff }, /* blktooff */ + { .opve_op = &vnop_offtoblk_desc, .opve_impl = (VOPFUNC)err_offtoblk }, /* offtoblk */ + { .opve_op = &vnop_blockmap_desc, .opve_impl = (VOPFUNC)err_blockmap }, /* blockmap */ #if CONFIG_MACF - { &vnop_setlabel_desc, (VOPFUNC)routefserr_setlabel }, /* setlabel */ + { .opve_op = &vnop_setlabel_desc, .opve_impl = (VOPFUNC)routefserr_setlabel }, /* setlabel */ #endif - { (struct vnodeop_desc*)NULL, (int(*)())NULL } + { .opve_op = (struct vnodeop_desc*)NULL, .opve_impl = (int (*)(void *))NULL } }; -struct vnodeopv_desc routefs_vnodeop_opv_desc = -{ &routefs_vnodeop_p, routefs_vnodeop_entries }; - - +const struct vnodeopv_desc routefs_vnodeop_opv_desc = +{ .opv_desc_vector_p = &routefs_vnodeop_p, .opv_desc_ops = routefs_vnodeop_entries };