DHCPv6 IAID should be of unsigned type. It is derived from strtoul() in lease.c:read_leases() and already now interpreted as unsigned in helper.c:276 and outpacket.c:put_opt6_long(). RFC3315 (section 22.4) shows that the IAID is 4 bytes long so we do not need to go up to unsigned long.
Signed-off-by: Dominik DL6ER <dl6er@dl6er.de>
diff --git a/src/dhcp6.c b/src/dhcp6.c
index 5badc46..ce682db 100644
--- a/src/dhcp6.c
+++ b/src/dhcp6.c
@@ -423,7 +423,7 @@
}
struct dhcp_context *address6_allocate(struct dhcp_context *context, unsigned char *clid, int clid_len, int temp_addr,
- int iaid, int serial, struct dhcp_netid *netids, int plain_range, struct in6_addr *ans)
+ unsigned int iaid, int serial, struct dhcp_netid *netids, int plain_range, struct in6_addr *ans)
{
/* Find a free address: exclude anything in use and anything allocated to
a particular hwaddr/clientid/hostname in our configuration.