network/dhcp4: honor received broadcast address

2023-07-28 05:15:11 +09:00
parent 2faf2e2a42
commit a49cf370ac
1 changed files with 3 additions and 0 deletions
@@ -872,6 +872,9 @@ static int dhcp4_request_address(Link *link, bool announce) {
        addr->lifetime_preferred_usec = lifetime_usec;
        addr->lifetime_valid_usec = lifetime_usec;
        addr->prefixlen = prefixlen;
+        r = sd_dhcp_lease_get_broadcast(link->dhcp_lease, &addr->broadcast);
+        if (r < 0 && r != -ENODATA)
+                return log_link_warning_errno(link, r, "DHCP: failed to get broadcast address: %m");
        address_set_broadcast(addr, link);
        SET_FLAG(addr->flags, IFA_F_NOPREFIXROUTE, !link_prefixroute(link));
        addr->route_metric = link->network->dhcp_route_metric;