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[fd00::} and [fe80::] special addresses in DHCPv6 options.

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This commit is contained in:
Simon Kelley
2014-01-11 22:18:19 +00:00
parent ae76242fdf
commit c3a04081ff
7 changed files with 194 additions and 57 deletions
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11
src/dhcp6.c
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@@ -23,7 +23,7 @@
struct iface_param {
struct dhcp_context *current;
struct dhcp_relay *relay;
struct in6_addr fallback, relay_local;
struct in6_addr fallback, relay_local, ll_addr, ula_addr;
int ind, addr_match;
};
@@ -158,6 +158,8 @@ void dhcp6_packet(time_t now)
parm.ind = if_index;
parm.addr_match = 0;
memset(&parm.fallback, 0, IN6ADDRSZ);
memset(&parm.ll_addr, 0, IN6ADDRSZ);
memset(&parm.ula_addr, 0, IN6ADDRSZ);
for (context = daemon->dhcp6; context; context = context->next)
if (IN6_IS_ADDR_UNSPECIFIED(&context->start6) && context->prefix == 0)
@@ -210,7 +212,7 @@ void dhcp6_packet(time_t now)
lease_prune(NULL, now); /* lose any expired leases */
port = dhcp6_reply(parm.current, if_index, ifr.ifr_name, &parm.fallback,
sz, &from.sin6_addr, now);
&parm.ll_addr, &parm.ula_addr, sz, &from.sin6_addr, now);
lease_update_file(now);
lease_update_dns(0);
@@ -309,6 +311,11 @@ static int complete_context6(struct in6_addr *local, int prefix,
if (if_index == param->ind)
{
if (IN6_IS_ADDR_LINKLOCAL(local))
param->ll_addr = *local;
else if (IN6_IS_ADDR_ULA(local))
param->ula_addr = *local;
if (!IN6_IS_ADDR_LOOPBACK(local) &&
!IN6_IS_ADDR_LINKLOCAL(local) &&
!IN6_IS_ADDR_MULTICAST(local))