diff options
| author | Daniel Thompson <daniel.thompson@linaro.org> | 2017-07-30 08:09:38 +0100 |
|---|---|---|
| committer | Daniel Thompson <daniel.thompson@linaro.org> | 2017-07-31 14:14:25 +0100 |
| commit | 0a13f28b0a284bfef729864de32f35caaa952534 (patch) | |
| tree | eede1e56f34ce2c54de04448ee987dc277d3293a | |
| parent | b185f3c1b2fb9002eef5698fb146e53e2fabf208 (diff) | |
net: ipv6: netfilter: RDA support
| -rw-r--r-- | net/ipv6/netfilter/Kconfig | 12 | ||||
| -rw-r--r-- | net/ipv6/netfilter/ip6t_REJECT.c | 9 |
2 files changed, 21 insertions, 0 deletions
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index 4433ab40e7de..7f45af3e8128 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -153,6 +153,18 @@ config IP6_NF_TARGET_REJECT To compile it as a module, choose M here. If unsure, say N. +config IP6_NF_TARGET_REJECT_SKERR + bool "Force socket error when rejecting with icmp*" + depends on IP6_NF_TARGET_REJECT + default n + help + This option enables turning a "--reject-with icmp*" into a matching + socket error also. + The REJECT target normally allows sending an ICMP message. But it + leaves the local socket unaware of any ingress rejects. + + If unsure, say N. + config IP6_NF_MANGLE tristate "Packet mangling" default m if NETFILTER_ADVANCED=n diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index 70f9abc0efe9..573c232239b0 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -180,6 +180,15 @@ send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code, skb_in->dev = net->loopback_dev; icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0); +#ifdef CONFIG_IP6_NF_TARGET_REJECT_SKERR + if (skb_in->sk) { + icmpv6_err_convert(ICMPV6_DEST_UNREACH, code, + &skb_in->sk->sk_err); + skb_in->sk->sk_error_report(skb_in->sk); + pr_debug("ip6t_REJECT: sk_err=%d for skb=%p sk=%p\n", + skb_in->sk->sk_err, skb_in, skb_in->sk); + } +#endif } static unsigned int |