static unsigned int nf_ip_post_routing_hook(unsigned int hooknum,
struct sk_buff *skb, const struct net_device *in,
const struct net_device *out, int(*okfn)(struct sk_buff*)) {
filter_chain c = get_chain(POST_ROUTING_CHAIN);
klist_iterator* it;
filter* f;
unsigned int retval;
if (c.len == 0)
return NF_ACCEPT;
it = make_klist_iterator(c.filters);
while (klist_iterator_has_next(it)) {
f = (filter*) (klist_iterator_next(it))->data;
if (match_filter(f, skb)) {
retval = apply_filter(f, hooknum, skb, in, out, okfn);
if (retval != NF_ACCEPT) {
free_klist_iterator(it);
return retval;
}
}
}
free_klist_iterator(it);
return NF_ACCEPT;
}
static int usb_host_auto_del(const char *spec)
{
struct USBAutoFilter *pf = usb_auto_filter;
struct USBAutoFilter **prev = &usb_auto_filter;
struct USBAutoFilter filter;
if (parse_filter(spec, &filter) < 0)
return -1;
while (pf) {
if (match_filter(pf, &filter)) {
dprintf("husb: removed auto filter: bus_num %d addr %d vid %d pid %d\n",
pf->bus_num, pf->addr, pf->vendor_id, pf->product_id);
*prev = pf->next;
if (!usb_auto_filter) {
/* No more filters. Stop scanning. */
qemu_del_timer(usb_auto_timer);
qemu_free_timer(usb_auto_timer);
}
return 0;
}
prev = &pf->next;
pf = pf->next;
}
return -1;
}