1 files changed, 25 insertions, 9 deletions

diff --git a/src/resolve/resolved-link.c b/src/resolve/resolved-link.c
index 0f9a0e942..351d51a30 100644
--- a/src/resolve/resolved-link.c
+++ b/src/resolve/resolved-link.c
@@ -30,16 +30,19 @@ int link_new(Manager *m, Link **ret, int ifindex) {
         if (r < 0)
                 return r;
 
-        l = new0(Link, 1);
+        l = new(Link, 1);
         if (!l)
                 return -ENOMEM;
 
-        l->ifindex = ifindex;
-        l->llmnr_support = RESOLVE_SUPPORT_YES;
-        l->mdns_support = RESOLVE_SUPPORT_NO;
-        l->dnssec_mode = _DNSSEC_MODE_INVALID;
-        l->dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID;
-        l->operstate = IF_OPER_UNKNOWN;
+        *l = (Link) {
+                .ifindex = ifindex,
+                .default_route = -1,
+                .llmnr_support = RESOLVE_SUPPORT_YES,
+                .mdns_support = RESOLVE_SUPPORT_NO,
+                .dnssec_mode = _DNSSEC_MODE_INVALID,
+                .dns_over_tls_mode = _DNS_OVER_TLS_MODE_INVALID,
+                .operstate = IF_OPER_UNKNOWN,
+        };
 
         if (asprintf(&l->state_file, "/run/systemd/resolve/netif/%i", ifindex) < 0)
                 return -ENOMEM;
@@ -60,6 +63,7 @@ int link_new(Manager *m, Link **ret, int ifindex) {
 void link_flush_settings(Link *l) {
         assert(l);
 
+        l->default_route = -1;
         l->llmnr_support = RESOLVE_SUPPORT_YES;
         l->mdns_support = RESOLVE_SUPPORT_NO;
         l->dnssec_mode = _DNSSEC_MODE_INVALID;
@@ -1120,6 +1124,9 @@ static bool link_needs_save(Link *l) {
         if (!set_isempty(l->dnssec_negative_trust_anchors))
                 return true;
 
+        if (l->default_route >= 0)
+                return true;
+
         return false;
 }
 
@@ -1162,6 +1169,9 @@ int link_save_user(Link *l) {
         if (v)
                 fprintf(f, "DNSSEC=%s\n", v);
 
+        if (l->default_route >= 0)
+                fprintf(f, "DEFAULT_ROUTE=%s\n", yes_no(l->default_route));
+
         if (l->dns_servers) {
                 DnsServer *server;
 
@@ -1243,7 +1253,8 @@ int link_load_user(Link *l) {
                 *dnssec = NULL,
                 *servers = NULL,
                 *domains = NULL,
-                *ntas = NULL;
+                *ntas = NULL,
+                *default_route = NULL;
 
         ResolveSupport s;
         const char *p;
@@ -1266,7 +1277,8 @@ int link_load_user(Link *l) {
                            "DNSSEC", &dnssec,
                            "SERVERS", &servers,
                            "DOMAINS", &domains,
-                           "NTAS", &ntas);
+                           "NTAS", &ntas,
+                           "DEFAULT_ROUTE", &default_route);
         if (r == -ENOENT)
                 return 0;
         if (r < 0)
@@ -1283,6 +1295,10 @@ int link_load_user(Link *l) {
         if (s >= 0)
                 l->mdns_support = s;
 
+        r = parse_boolean(default_route);
+        if (r >= 0)
+                l->default_route = r;
+
         /* If we can't recognize the DNSSEC setting, then set it to invalid, so that the daemon default is used. */
         l->dnssec_mode = dnssec_mode_from_string(dnssec);