service: Add helpers for removing nameservers and search domains

diff --git a/src/service.c b/src/service.c
index 4ad75e8..fae3729 100644 (file)
--- a/src/service.c
+++ b/src/service.c
@@ -840,6 +840,74 @@ static connman_bool_t is_connected(struct connman_service *service)
        return is_connected_state(service, service->state);
 }
 
+static const char *nameserver_get_ifname(struct connman_service *service)
+{
+       const char *ifname;
+
+       if (service->ipconfig_ipv4)
+               ifname = __connman_ipconfig_get_ifname(service->ipconfig_ipv4);
+       else if (service->ipconfig_ipv6)
+               ifname = __connman_ipconfig_get_ifname(service->ipconfig_ipv6);
+       else
+               ifname = NULL;
+
+       if (ifname == NULL)
+               return NULL;
+
+       switch (combine_state(service->state_ipv4, service->state_ipv6)) {
+       case CONNMAN_SERVICE_STATE_UNKNOWN:
+       case CONNMAN_SERVICE_STATE_IDLE:
+       case CONNMAN_SERVICE_STATE_ASSOCIATION:
+       case CONNMAN_SERVICE_STATE_CONFIGURATION:
+       case CONNMAN_SERVICE_STATE_FAILURE:
+       case CONNMAN_SERVICE_STATE_DISCONNECT:
+               return NULL;
+       case CONNMAN_SERVICE_STATE_READY:
+       case CONNMAN_SERVICE_STATE_ONLINE:
+               break;
+       }
+
+       return ifname;
+}
+
+static void remove_nameservers(struct connman_service *service,
+               const char* interface, char **ns)
+{
+       const char *ifname = interface;
+       int i;
+
+       if (ns == NULL)
+               return;
+
+       if (interface == NULL)
+               ifname = nameserver_get_ifname(service);
+
+       if (ifname == NULL)
+                       return;
+
+       for (i = 0; ns[i] != NULL; i++)
+               connman_resolver_remove(ifname, NULL, ns[i]);
+}
+
+static void remove_searchdomains(struct connman_service *service,
+               const char *interface, char **sd)
+{
+       const char *ifname = interface;
+       int i;
+
+       if (sd == NULL)
+               return;
+
+       if (interface == NULL)
+               ifname = nameserver_get_ifname(service);
+
+       if (ifname == NULL)
+               return;
+
+       for (i = 0; sd[i] != NULL; i++)
+               connman_resolver_remove(ifname, sd[i], NULL);
+}
+
 static void update_nameservers(struct connman_service *service)
 {
        const char *ifname;