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farp plugin sends ARP responses for any tunneled address, not only virtual IPs

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This commit is contained in:
Martin Willi
2012-03-06 16:06:33 +01:00
parent 21796bac9a
commit 45f20f8a79
3 changed files with 91 additions and 81 deletions
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src/libcharon/plugins/farp/farp_spoofer.c
+8 -8
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@@ -108,7 +108,7 @@ static job_requeue_t receive_arp(private_farp_spoofer_t *this)
arp_t arp;
int oldstate;
ssize_t len;
host_t *ip;
host_t *local, *remote;
oldstate = thread_cancelability(TRUE);
len = recvfrom(this->skt, &arp, sizeof(arp), 0,
@@ -117,16 +117,16 @@ static job_requeue_t receive_arp(private_farp_spoofer_t *this)
if (len == sizeof(arp))
{
ip = host_create_from_chunk(AF_INET,
local = host_create_from_chunk(AF_INET,
chunk_create((char*)&arp.sender_ip, 4), 0);
remote = host_create_from_chunk(AF_INET,
chunk_create((char*)&arp.target_ip, 4), 0);
if (ip)
if (this->listener->has_tunnel(this->listener, local, remote))
{
if (this->listener->is_active(this->listener, ip))
{
send_arp(this, &arp, &addr);
}
ip->destroy(ip);
send_arp(this, &arp, &addr);
}
local->destroy(local);
remote->destroy(remote);
}
return JOB_REQUEUE_DIRECT;