X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv6%2Fip6_output.c;h=6407c64ea4a5c08f1e6260b04e70a4cc142fb3e0;hb=9063974cdbc5463528cb6aa60c91bc0267af7bbb;hp=40a2813a63d17ca6987980c3ac31fb0301cb0d11;hpb=4ae127d1b6c71f9240dd4245f240e6dd8fc98014;p=linux-2.6 diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 40a2813a63..6407c64ea4 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -173,6 +173,13 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb) int ip6_output(struct sk_buff *skb) { + struct inet6_dev *idev = ip6_dst_idev(skb->dst); + if (unlikely(idev->cnf.disable_ipv6)) { + IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS); + kfree_skb(skb); + return 0; + } + if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) || dst_allfrag(skb->dst)) return ip6_fragment(skb, ip6_output2); @@ -404,9 +411,12 @@ int ip6_forward(struct sk_buff *skb) struct inet6_skb_parm *opt = IP6CB(skb); struct net *net = dev_net(dst->dev); - if (ipv6_devconf.forwarding == 0) + if (net->ipv6.devconf_all->forwarding == 0) goto error; + if (skb_warn_if_lro(skb)) + goto drop; + if (!xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) { IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); goto drop; @@ -448,7 +458,7 @@ int ip6_forward(struct sk_buff *skb) } /* XXX: idev->cnf.proxy_ndp? */ - if (ipv6_devconf.proxy_ndp && + if (net->ipv6.devconf_all->proxy_ndp && pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) { int proxied = ip6_forward_proxy_check(skb); if (proxied > 0) @@ -495,7 +505,8 @@ int ip6_forward(struct sk_buff *skb) int addrtype = ipv6_addr_type(&hdr->saddr); /* This check is security critical. */ - if (addrtype & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK)) + if (addrtype == IPV6_ADDR_ANY || + addrtype & (IPV6_ADDR_MULTICAST | IPV6_ADDR_LOOPBACK)) goto error; if (addrtype & IPV6_ADDR_LINKLOCAL) { icmpv6_send(skb, ICMPV6_DEST_UNREACH,