diff options
| author | Patrick McHardy <kaber@trash.net> | 2007-01-10 08:04:46 +0100 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2007-02-05 08:31:39 -0800 |
| commit | 8c10ebbf6838583183d2846b7d61742704b8b055 (patch) | |
| tree | e4106c24be975c6092ad5f286b2411a9f7f03d9d | |
| parent | 2a0dfac7457c2c8629a253499607b853c2f53786 (diff) | |
[PATCH] NETFILTER: Fix routing of REJECT target generated packets in output chain
Packets generated by the REJECT target in the output chain have a local
destination address and a foreign source address. Make sure not to use
the foreign source address for the output route lookup.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
| -rw-r--r-- | net/ipv4/netfilter.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index e2005c6810a..0147a18f7eb 100644 --- a/net/ipv4/netfilter.c +++ b/net/ipv4/netfilter.c @@ -15,16 +15,19 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type) struct flowi fl = {}; struct dst_entry *odst; unsigned int hh_len; + unsigned int type; + type = inet_addr_type(iph->saddr); if (addr_type == RTN_UNSPEC) - addr_type = inet_addr_type(iph->saddr); + addr_type = type; /* some non-standard hacks like ipt_REJECT.c:send_reset() can cause * packets with foreign saddr to appear on the NF_IP_LOCAL_OUT hook. */ if (addr_type == RTN_LOCAL) { fl.nl_u.ip4_u.daddr = iph->daddr; - fl.nl_u.ip4_u.saddr = iph->saddr; + if (type == RTN_LOCAL) + fl.nl_u.ip4_u.saddr = iph->saddr; fl.nl_u.ip4_u.tos = RT_TOS(iph->tos); fl.oif = (*pskb)->sk ? (*pskb)->sk->sk_bound_dev_if : 0; #ifdef CONFIG_IP_ROUTE_FWMARK |