gsupplicant: Interpret "invalid message format" as invalid-key error

If gsupplicant sends a malformed passphrase,
wpa_supplicant return an error "invalid message format",
parsing this error avoids future usage of this passphrase.

diff --git a/gsupplicant/supplicant.c b/gsupplicant/supplicant.c
index 5db1fcd..c8f3389 100644 (file)
--- a/gsupplicant/supplicant.c
+++ b/gsupplicant/supplicant.c
@@ -2684,10 +2684,15 @@ static int parse_supplicant_error(DBusMessageIter *iter)
        int err = -ECANCELED;
        char *key;
 
+       /* If the given passphrase is malformed wpa_s returns
+        * "invalid message format" but this error should be interpreted as
+        * invalid-key.
+        */
        while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
                dbus_message_iter_get_basic(iter, &key);
-               if (strncmp(key, "psk", 4) == 0 ||
-                       strncmp(key, "wep_key", 7) == 0) {
+               if (strncmp(key, "psk", 3) == 0 ||
+                               strncmp(key, "wep_key", 7) == 0 ||
+                               strcmp(key, "invalid message format") == 0) {
                        err = -ENOKEY;
                        break;
                }