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yaml
---
r: 112070
b: refs/heads/master
c: e10aad9
h: refs/heads/master
v: v3
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Alexey Dobriyan authored and Patrick McHardy committed Oct 8, 2008
1 parent 9b287a3 commit 1c20280
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Showing 2 changed files with 13 additions and 11 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 7dd1b8dad84c9561fe8949ed5db4de15aee877eb
refs/heads/master: e10aad9998e463df8e25ec749538faf3324dd31b
22 changes: 12 additions & 10 deletions trunk/net/ipv6/netfilter/ip6t_REJECT.c
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ MODULE_DESCRIPTION("Xtables: packet \"rejection\" target for IPv6");
MODULE_LICENSE("GPL");

/* Send RST reply */
static void send_reset(struct sk_buff *oldskb)
static void send_reset(struct net *net, struct sk_buff *oldskb)
{
struct sk_buff *nskb;
struct tcphdr otcph, *tcph;
Expand Down Expand Up @@ -94,7 +94,7 @@ static void send_reset(struct sk_buff *oldskb)
fl.fl_ip_sport = otcph.dest;
fl.fl_ip_dport = otcph.source;
security_skb_classify_flow(oldskb, &fl);
dst = ip6_route_output(&init_net, NULL, &fl);
dst = ip6_route_output(net, NULL, &fl);
if (dst == NULL)
return;
if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0))
Expand Down Expand Up @@ -163,10 +163,11 @@ static void send_reset(struct sk_buff *oldskb)
}

static inline void
send_unreach(struct sk_buff *skb_in, unsigned char code, unsigned int hooknum)
send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code,
unsigned int hooknum)
{
if (hooknum == NF_INET_LOCAL_OUT && skb_in->dev == NULL)
skb_in->dev = init_net.loopback_dev;
skb_in->dev = net->loopback_dev;

icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0, NULL);
}
Expand All @@ -177,32 +178,33 @@ reject_tg6(struct sk_buff *skb, const struct net_device *in,
const struct xt_target *target, const void *targinfo)
{
const struct ip6t_reject_info *reject = targinfo;
struct net *net = dev_net(in ? in : out);

pr_debug("%s: medium point\n", __func__);
/* WARNING: This code causes reentry within ip6tables.
This means that the ip6tables jump stack is now crap. We
must return an absolute verdict. --RR */
switch (reject->with) {
case IP6T_ICMP6_NO_ROUTE:
send_unreach(skb, ICMPV6_NOROUTE, hooknum);
send_unreach(net, skb, ICMPV6_NOROUTE, hooknum);
break;
case IP6T_ICMP6_ADM_PROHIBITED:
send_unreach(skb, ICMPV6_ADM_PROHIBITED, hooknum);
send_unreach(net, skb, ICMPV6_ADM_PROHIBITED, hooknum);
break;
case IP6T_ICMP6_NOT_NEIGHBOUR:
send_unreach(skb, ICMPV6_NOT_NEIGHBOUR, hooknum);
send_unreach(net, skb, ICMPV6_NOT_NEIGHBOUR, hooknum);
break;
case IP6T_ICMP6_ADDR_UNREACH:
send_unreach(skb, ICMPV6_ADDR_UNREACH, hooknum);
send_unreach(net, skb, ICMPV6_ADDR_UNREACH, hooknum);
break;
case IP6T_ICMP6_PORT_UNREACH:
send_unreach(skb, ICMPV6_PORT_UNREACH, hooknum);
send_unreach(net, skb, ICMPV6_PORT_UNREACH, hooknum);
break;
case IP6T_ICMP6_ECHOREPLY:
/* Do nothing */
break;
case IP6T_TCP_RESET:
send_reset(skb);
send_reset(net, skb);
break;
default:
if (net_ratelimit())
Expand Down

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