diff options
Diffstat (limited to 'net/ipv4')
-rw-r--r-- | net/ipv4/ip_gre.c | 2 | ||||
-rw-r--r-- | net/ipv4/ipip.c | 2 | ||||
-rw-r--r-- | net/ipv4/netfilter.c | 12 | ||||
-rw-r--r-- | net/ipv4/xfrm4_output.c | 1 |
4 files changed, 13 insertions, 4 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 65c3a91ed85e..de16e944777f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -832,7 +832,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) skb->h.raw = skb->nh.raw; skb->nh.raw = skb_push(skb, gre_hlen); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); - IPCB(skb)->flags &= ~IPSKB_XFRM_TUNNEL_SIZE; + IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE|IPSKB_XFRM_TRANSFORMED); dst_release(skb->dst); skb->dst = &rt->u.dst; diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 078b59be91f4..bbd85f5ec985 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -621,7 +621,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) skb->h.raw = skb->nh.raw; skb->nh.raw = skb_push(skb, sizeof(struct iphdr)); memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); - IPCB(skb)->flags &= ~IPSKB_XFRM_TUNNEL_SIZE; + IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE|IPSKB_XFRM_TRANSFORMED); dst_release(skb->dst); skb->dst = &rt->u.dst; diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index ae0779d82c5d..4c637a1cbd23 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -7,11 +7,13 @@ #include <linux/netfilter.h> #include <linux/netfilter_ipv4.h> +#include <linux/ip.h> #include <linux/tcp.h> #include <linux/udp.h> #include <linux/icmp.h> #include <net/route.h> -#include <linux/ip.h> +#include <net/xfrm.h> +#include <net/ip.h> /* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */ int ip_route_me_harder(struct sk_buff **pskb) @@ -33,7 +35,6 @@ int ip_route_me_harder(struct sk_buff **pskb) #ifdef CONFIG_IP_ROUTE_FWMARK fl.nl_u.ip4_u.fwmark = (*pskb)->nfmark; #endif - fl.proto = iph->protocol; if (ip_route_output_key(&rt, &fl) != 0) return -1; @@ -60,6 +61,13 @@ int ip_route_me_harder(struct sk_buff **pskb) if ((*pskb)->dst->error) return -1; +#ifdef CONFIG_XFRM + if (!(IPCB(*pskb)->flags & IPSKB_XFRM_TRANSFORMED) && + xfrm_decode_session(*pskb, &fl, AF_INET) == 0) + if (xfrm_lookup(&(*pskb)->dst, &fl, (*pskb)->sk, 0)) + return -1; +#endif + /* Change in oif may mean change in hh_len. */ hh_len = (*pskb)->dst->dev->hard_header_len; if (skb_headroom(*pskb) < hh_len) { diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c index 51fabb8f7c54..160c48800ab8 100644 --- a/net/ipv4/xfrm4_output.c +++ b/net/ipv4/xfrm4_output.c @@ -140,6 +140,7 @@ static int xfrm4_output_one(struct sk_buff *skb) x = dst->xfrm; } while (x && !x->props.mode); + IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED; err = 0; out_exit: |