/*ARGSUSED*/
int
devpts_validate(struct sdev_node *dv)
{
minor_t min;
uid_t uid;
gid_t gid;
timestruc_t now;
char *nm = dv->sdev_name;
ASSERT(!(dv->sdev_flags & SDEV_STALE));
ASSERT(dv->sdev_state == SDEV_READY);
/* validate only READY nodes */
if (dv->sdev_state != SDEV_READY) {
sdcmn_err(("dev fs: skipping: node not ready %s(%p)",
nm, (void *)dv));
return (SDEV_VTOR_SKIP);
}
if (devpts_strtol(nm, &min) != 0) {
sdcmn_err7(("devpts_validate: not a valid minor: %s\n", nm));
return (SDEV_VTOR_INVALID);
}
/*
* Check if pts driver is attached
*/
if (ptms_slave_attached() == (major_t)-1) {
sdcmn_err7(("devpts_validate: slave not attached\n"));
return (SDEV_VTOR_INVALID);
}
if (ptms_minor_valid(min, &uid, &gid) == 0) {
if (ptms_minor_exists(min)) {
sdcmn_err7(("devpts_validate: valid in different zone "
"%s\n", nm));
return (SDEV_VTOR_SKIP);
} else {
sdcmn_err7(("devpts_validate: %s not valid pty\n",
nm));
return (SDEV_VTOR_INVALID);
}
}
ASSERT(dv->sdev_attr);
if (dv->sdev_attr->va_uid != uid || dv->sdev_attr->va_gid != gid) {
ASSERT(uid >= 0);
ASSERT(gid >= 0);
dv->sdev_attr->va_uid = uid;
dv->sdev_attr->va_gid = gid;
gethrestime(&now);
dv->sdev_attr->va_atime = now;
dv->sdev_attr->va_mtime = now;
dv->sdev_attr->va_ctime = now;
sdcmn_err7(("devpts_validate: update uid/gid/times%s\n", nm));
}
return (SDEV_VTOR_VALID);
}
/*
* Validate that a node is up-to-date and correct.
* A validator may not update the node state or
* contents as a read lock permits entry by
* multiple threads.
*/
int
devvt_validate(struct sdev_node *dv)
{
minor_t min;
char *nm = dv->sdev_name;
int rval;
ASSERT(dv->sdev_state == SDEV_READY);
ASSERT(RW_LOCK_HELD(&(dv->sdev_dotdot)->sdev_contents));
/* validate only READY nodes */
if (dv->sdev_state != SDEV_READY) {
sdcmn_err(("dev fs: skipping: node not ready %s(%p)",
nm, (void *)dv));
return (SDEV_VTOR_SKIP);
}
if (vt_wc_attached() == (major_t)-1)
return (SDEV_VTOR_INVALID);
if (strcmp(nm, DEVVT_ACTIVE_NAME) == 0) {
char *link = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
(void) vt_getactive(link, MAXPATHLEN);
rval = (strcmp(link, dv->sdev_symlink) == 0) ?
SDEV_VTOR_VALID : SDEV_VTOR_STALE;
kmem_free(link, MAXPATHLEN);
return (rval);
}
if (strcmp(nm, DEVVT_CONSUSER_NAME) == 0) {
char *link = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
(void) vt_getconsuser(link, MAXPATHLEN);
rval = (strcmp(link, dv->sdev_symlink) == 0) ?
SDEV_VTOR_VALID : SDEV_VTOR_STALE;
kmem_free(link, MAXPATHLEN);
return (rval);
}
if (devvt_str2minor(nm, &min) != 0) {
return (SDEV_VTOR_INVALID);
}
if (vt_minor_valid(min) == B_FALSE)
return (SDEV_VTOR_INVALID);
return (SDEV_VTOR_VALID);
}
