diff options
Diffstat (limited to 'net/ipv4/netfilter/nf_nat_rule.c')
-rw-r--r-- | net/ipv4/netfilter/nf_nat_rule.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c index bea54a6..cf95469 100644 --- a/net/ipv4/netfilter/nf_nat_rule.c +++ b/net/ipv4/netfilter/nf_nat_rule.c @@ -86,25 +86,6 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_target_param *par) return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC); } -/* Before 2.6.11 we did implicit source NAT if required. Warn about change. */ -static void warn_if_extra_mangle(struct net *net, __be32 dstip, __be32 srcip) -{ - static int warned = 0; - struct flowi fl = { .nl_u = { .ip4_u = { .daddr = dstip } } }; - struct rtable *rt; - - if (ip_route_output_key(net, &rt, &fl) != 0) - return; - - if (rt->rt_src != srcip && !warned) { - printk("NAT: no longer support implicit source local NAT\n"); - printk("NAT: packet src %u.%u.%u.%u -> dst %u.%u.%u.%u\n", - NIPQUAD(srcip), NIPQUAD(dstip)); - warned = 1; - } - ip_rt_put(rt); -} - static unsigned int ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par) { @@ -120,11 +101,6 @@ ipt_dnat_target(struct sk_buff *skb, const struct xt_target_param *par) /* Connection must be valid and new. */ NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED)); - if (par->hooknum == NF_INET_LOCAL_OUT && - mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) - warn_if_extra_mangle(dev_net(par->out), ip_hdr(skb)->daddr, - mr->range[0].min_ip); - return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_DST); } @@ -166,8 +142,7 @@ alloc_null_binding(struct nf_conn *ct, unsigned int hooknum) struct nf_nat_range range = { IP_NAT_RANGE_MAP_IPS, ip, ip, { 0 }, { 0 } }; - pr_debug("Allocating NULL binding for %p (%u.%u.%u.%u)\n", - ct, NIPQUAD(ip)); + pr_debug("Allocating NULL binding for %p (%pI4)\n", ct, &ip); return nf_nat_setup_info(ct, &range, HOOK2MANIP(hooknum)); } |