Fix hostname export

diff --git a/src/dhcpv6-ia.c b/src/dhcpv6-ia.c
index c97a0797dc93a1968f0b36548a81f315896d3ef9..ffcb6dfa63ba485ae39b6c0609474adda91e2f00 100644 (file)
--- a/src/dhcpv6-ia.c
+++ b/src/dhcpv6-ia.c
@@ -254,11 +254,15 @@ void dhcpv6_write_statefile(void)
                                        struct in6_addr addr;
                                        struct odhcpd_ipaddr *addrs = (c->managed) ? c->managed : iface->ia_addr;
                                        size_t addrlen = (c->managed) ? (size_t)c->managed_size : iface->ia_addr_len;
+                                       size_t mostpref = 0;
+
+                                       for (size_t i = 0; i < addrlen; ++i)
+                                               if (addrs[i].preferred > addrs[mostpref].preferred)
+                                                       mostpref = i;
 
                                        for (size_t i = 0; i < addrlen; ++i) {
-                                               if (addrs[i].prefix > 96)
-                                                       continue;
-                                               if (c->valid_until <= now)
+                                               if (addrs[i].prefix > 96 || c->valid_until <= now ||
+                                                               (iface->managed < RELAYD_MANAGED_NO_AFLAG && i != mostpref))
                                                        continue;
 
                                                addr = addrs[i].addr;