diff options
| author |   Patrick McHardy <kaber@trash.net> | 2007-01-04 12:15:34 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2007-01-04 12:15:34 -0800 |
| commit | c68b8b687f9e3afff14b88327e17901fff0478ca (patch) | |
| tree | f60015bbfd8da9d62479f10cc35328f71f20a792 /net/ipv4/netfilter.c | |
| parent | [NETFILTER]: compat offsets size change (diff) | |
| download | linux-dev-c68b8b687f9e3afff14b88327e17901fff0478ca.tar.xz linux-dev-c68b8b687f9e3afff14b88327e17901fff0478ca.zip | |
[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: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter.c')
| -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 a68966059b50..c47ce7076bd5 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; fl.mark = (*pskb)->mark; |