Messages in this thread Patch in this message | | | Date | Tue, 20 Nov 2007 17:28:22 +0100 | From | "Jonas Danielsson" <> | Subject | [PATCH][v2] net/ipv4/arp.c: Fix arp reply when sender ip 0 |
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Fix arp reply when received arp probe with sender ip 0.
Send arp reply with target ip address 0.0.0.0 and target hardware address set to hardware address of requester. Previously sent reply with target ip address and target hardware address set to same as source fields.
Signed-off-by: Jonas Danielsson <the.sator@gmail.com> Acked-by: Alexey Kuznetov <kuznet@ms2.inr.ac.ru> --- arp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -828,7 +828,8 @@ static int arp_process(struct sk_buff *skb) if (arp->ar_op == htons(ARPOP_REQUEST) && inet_addr_type(tip) == RTN_LOCAL && !arp_ignore(in_dev,dev,sip,tip)) - arp_send(ARPOP_REPLY,ETH_P_ARP,tip,dev,tip,sha,dev->dev_addr,dev->dev_addr); + arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha, + dev->dev_addr, sha); goto out; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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