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Final form of configuration for EDNS0 MAC-address code.

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This commit is contained in:
Simon Kelley
2016-01-25 21:29:23 +00:00
parent 926332a764
commit 1e5051228d
7 changed files with 108 additions and 48 deletions
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54
src/arp.c
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@@ -117,30 +117,36 @@ int find_mac(union mysockaddr *addr, unsigned char *mac, int lazy, time_t now)
/* If the database is less then INTERVAL old, look in there */
if (difftime(now, last) < INTERVAL)
for (arp = arps; arp; arp = arp->next)
{
if (addr->sa.sa_family == arp->family)
{
if (arp->addr.addr.addr4.s_addr != addr->in.sin_addr.s_addr)
continue;
}
{
/* addr == NULL -> just make cache up-to-date */
if (!addr)
return 0;
for (arp = arps; arp; arp = arp->next)
{
if (addr->sa.sa_family == arp->family)
{
if (arp->addr.addr.addr4.s_addr != addr->in.sin_addr.s_addr)
continue;
}
#ifdef HAVE_IPV6
else
{
if (!IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, &addr->in6.sin6_addr))
continue;
}
else
{
if (!IN6_ARE_ADDR_EQUAL(&arp->addr.addr.addr6, &addr->in6.sin6_addr))
continue;
}
#endif
/* Only accept positive entries unless in lazy mode. */
if (arp->status != ARP_EMPTY || lazy || updated)
{
if (mac && arp->hwlen != 0)
memcpy(mac, arp->hwaddr, arp->hwlen);
return arp->hwlen;
}
}
/* Only accept positive entries unless in lazy mode. */
if (arp->status != ARP_EMPTY || lazy || updated)
{
if (mac && arp->hwlen != 0)
memcpy(mac, arp->hwaddr, arp->hwlen);
return arp->hwlen;
}
}
}
/* Not found, try the kernel */
if (!updated)
{
@@ -209,7 +215,7 @@ int do_arp_script_run(void)
if (old)
{
#ifdef HAVE_SCRIPT
if (option_bool(OPT_DNS_CLIENT))
if (option_bool(OPT_SCRIPT_ARP))
queue_arp(ACTION_ARP_OLD, old->hwaddr, old->hwlen, old->family, &old->addr);
#endif
arp = old;
@@ -223,7 +229,7 @@ int do_arp_script_run(void)
if (arp->status == ARP_NEW)
{
#ifdef HAVE_SCRIPT
if (option_bool(OPT_DNS_CLIENT))
if (option_bool(OPT_SCRIPT_ARP))
queue_arp(ACTION_ARP, arp->hwaddr, arp->hwlen, arp->family, &arp->addr);
#endif
arp->status = ARP_FOUND;