static int
udf_access(struct vop_access_args *a)
{
struct vnode *vp;
struct udf_node *node;
accmode_t accmode;
mode_t mode;
vp = a->a_vp;
node = VTON(vp);
accmode = a->a_accmode;
if (accmode & VWRITE) {
switch (vp->v_type) {
case VDIR:
case VLNK:
case VREG:
return (EROFS);
/* NOT REACHED */
default:
break;
}
}
mode = udf_permtomode(node);
return (vaccess(vp->v_type, mode, node->fentry->uid, node->fentry->gid,
accmode, a->a_cred, NULL));
}
static int
udf_getattr(struct vop_getattr_args *a)
{
struct vnode *vp;
struct udf_node *node;
struct vattr *vap;
struct file_entry *fentry;
struct timespec ts;
ts.tv_sec = 0;
vp = a->a_vp;
vap = a->a_vap;
node = VTON(vp);
fentry = node->fentry;
vap->va_fsid = dev2udev(node->udfmp->im_dev);
vap->va_fileid = node->hash_id;
vap->va_mode = udf_permtomode(node);
vap->va_nlink = le16toh(fentry->link_cnt);
/*
* XXX The spec says that -1 is valid for uid/gid and indicates an
* invalid uid/gid. How should this be represented?
*/
vap->va_uid = (le32toh(fentry->uid) == -1) ? 0 : le32toh(fentry->uid);
vap->va_gid = (le32toh(fentry->gid) == -1) ? 0 : le32toh(fentry->gid);
udf_timetotimespec(&fentry->atime, &vap->va_atime);
udf_timetotimespec(&fentry->mtime, &vap->va_mtime);
vap->va_ctime = vap->va_mtime; /* XXX Stored as an Extended Attribute */
vap->va_rdev = NODEV;
if (vp->v_type & VDIR) {
/*
* Directories that are recorded within their ICB will show
* as having 0 blocks recorded. Since tradition dictates
* that directories consume at least one logical block,
* make it appear so.
*/
if (fentry->logblks_rec != 0) {
vap->va_size =
le64toh(fentry->logblks_rec) * node->udfmp->bsize;
} else {
vap->va_size = node->udfmp->bsize;
}
} else {
vap->va_size = le64toh(fentry->inf_len);
}
vap->va_flags = 0;
vap->va_gen = 1;
vap->va_blocksize = node->udfmp->bsize;
vap->va_bytes = le64toh(fentry->inf_len);
vap->va_type = vp->v_type;
vap->va_filerev = 0; /* XXX */
return (0);
}
int
_kvm_stat_udf(kvm_t *kd, struct kinfo_file *kf, struct vnode *vp)
{
struct unode up;
struct file_entry fentry;
struct umount um;
if (KREAD(kd, (u_long)VTOU(vp), &up)) {
_kvm_err(kd, kd->program, "can't read unode at %p", VTOU(vp));
return (-1);
}
if (KREAD(kd, (u_long)up.u_fentry, &fentry)) {
_kvm_err(kd, kd->program, "can't read file_entry at %p",
up.u_fentry);
return (-1);
}
if (KREAD(kd, (u_long)up.u_ump, &um)) {
_kvm_err(kd, kd->program, "can't read umount at %p",
up.u_ump);
return (-1);
}
kf->va_fsid = up.u_dev;
kf->va_fileid = (long)up.u_ino;
kf->va_mode = udf_permtomode(&up); /* XXX */
kf->va_rdev = 0;
if (vp->v_type & VDIR) {
/*
* Directories that are recorded within their ICB will show
* as having 0 blocks recorded. Since tradition dictates
* that directories consume at least one logical block,
* make it appear so.
*/
if (fentry.logblks_rec != 0) {
kf->va_size =
letoh64(fentry.logblks_rec) * um.um_bsize;
} else {
kf->va_size = um.um_bsize;
}
} else {
kf->va_size = letoh64(fentry.inf_len);
}
return (0);
}
