network: route: check validity of interface name in MultiPathRoute=

2021-05-19 16:28:53 +09:00
parent 8ed87c4983
commit 70a2d9dd31
1 changed files with 6 additions and 0 deletions
@@ -2757,6 +2757,12 @@ int config_parse_multipath_route(
                if (r > 0)
                        m->ifindex = r;
                else {
+                        if (!ifname_valid_full(dev, IFNAME_VALID_ALTERNATIVE)) {
+                                log_syntax(unit, LOG_WARNING, filename, line, 0,
+                                           "Invalid interface name '%s' in %s=, ignoring: %s", dev, lvalue, rvalue);
+                                return 0;
+                        }
+
                        m->ifname = strdup(dev);
                        if (!m->ifname)
                                return log_oom();