secret is NULL for LOCAL realms.

Fixes Coverity #68

diff --git a/src/main/realms.c b/src/main/realms.c
index e191ae1..b56062e 100644 (file)
--- a/src/main/realms.c
+++ b/src/main/realms.c
@@ -921,7 +921,7 @@ static int old_server_add(realm_config_t *rc, CONF_SECTION *cs,
        myhome.type = type;
        home = rbtree_finddata(home_servers_byname, &myhome);
        if (home) {
-               if (strcmp(home->secret, secret) != 0) {
+               if (secret && (strcmp(home->secret, secret) != 0)) {
                        cf_log_err(cf_sectiontoitem(cs), "Inconsistent shared secret for home server \"%s\"", name);
                        return 0;
                }