case IP_CT_RELATED:
case IP_CT_RELATED+IP_CT_IS_REPLY:
if ((*pskb)->nh.iph->protocol == IPPROTO_ICMP) {
- if (!icmp_reply_translation(pskb, ct, maniptype,
- CTINFO2DIR(ctinfo)))
+ if (!ip_nat_icmp_reply_translation(pskb, ct, maniptype,
+ CTINFO2DIR(ctinfo)))
return NF_DROP;
else
return NF_ACCEPT;
if (!ip_nat_initialized(ct, maniptype)) {
unsigned int ret;
- /* LOCAL_IN hook doesn't have a chain! */
- if (hooknum == NF_IP_LOCAL_IN)
+ if (unlikely(is_confirmed(ct)))
+ /* NAT module was loaded late */
+ ret = alloc_null_binding_confirmed(ct, info,
+ hooknum);
+ else if (hooknum == NF_IP_LOCAL_IN)
+ /* LOCAL_IN hook doesn't have a chain! */
ret = alloc_null_binding(ct, info, hooknum);
else
ret = ip_nat_rule_find(pskb, hooknum,
}
IP_NF_ASSERT(info);
- return nat_packet(ct, ctinfo, hooknum, pskb);
+ return ip_nat_packet(ct, ctinfo, hooknum, pskb);
}
static unsigned int
|| (*pskb)->nh.iph->ihl * 4 < sizeof(struct iphdr))
return NF_ACCEPT;
- /* We can hit fragment here; forwarded packets get
- defragmented by connection tracking coming in, then
- fragmented (grr) by the forward code.
-
- In future: If we have nfct != NULL, AND we have NAT
- initialized, AND there is no helper, then we can do full
- NAPT on the head, and IP-address-only NAT on the rest.
-
- I'm starting to have nightmares about fragments. */
-
- if ((*pskb)->nh.iph->frag_off & htons(IP_MF|IP_OFFSET)) {
- *pskb = ip_ct_gather_frags(*pskb, IP_DEFRAG_NAT_OUT);
-
- if (!*pskb)
- return NF_STOLEN;
- }
-
return ip_nat_fn(hooknum, pskb, in, out, okfn);
}
printk("ip_nat_init: can't setup rules.\n");
goto cleanup_nothing;
}
- ret = ip_nat_init();
- if (ret < 0) {
- printk("ip_nat_init: can't setup rules.\n");
- goto cleanup_rule_init;
- }
ret = nf_register_hook(&ip_nat_in_ops);
if (ret < 0) {
printk("ip_nat_init: can't register in hook.\n");
- goto cleanup_nat;
+ goto cleanup_rule_init;
}
ret = nf_register_hook(&ip_nat_out_ops);
if (ret < 0) {
nf_unregister_hook(&ip_nat_out_ops);
cleanup_inops:
nf_unregister_hook(&ip_nat_in_ops);
- cleanup_nat:
- ip_nat_cleanup();
cleanup_rule_init:
ip_nat_rule_cleanup();
cleanup_nothing:
module_init(init);
module_exit(fini);
-EXPORT_SYMBOL(ip_nat_setup_info);
-EXPORT_SYMBOL(ip_nat_protocol_register);
-EXPORT_SYMBOL(ip_nat_protocol_unregister);
-EXPORT_SYMBOL(ip_nat_cheat_check);
-EXPORT_SYMBOL(ip_nat_mangle_tcp_packet);
-EXPORT_SYMBOL(ip_nat_mangle_udp_packet);
-EXPORT_SYMBOL(ip_nat_used_tuple);
-EXPORT_SYMBOL(ip_nat_follow_master);
MODULE_LICENSE("GPL");