eapol_test: Start the identifier at an initial random value

Start the (EAP request) identifier at an initial random value
as recommended by RFC 3748 in section 4.1 Request and Response
on page 21.

Signed-off-by: Martin Stanislav <ms@uakom.sk>

diff --git a/wpa_supplicant/eapol_test.c b/wpa_supplicant/eapol_test.c
index 6548bd17b11f83ccb639bc5be0ce767ea9c52b80..3fd4ce61a1c28ae3984d0243cfdebafc1301069d 100644 (file)
--- a/wpa_supplicant/eapol_test.c
+++ b/wpa_supplicant/eapol_test.c
@@ -711,7 +711,8 @@ static void send_eap_request_identity(void *eloop_ctx, void *timeout_ctx)
 
        eap = (struct eap_hdr *) (hdr + 1);
        eap->code = EAP_CODE_REQUEST;
-       eap->identifier = 0;
+       if (os_get_random((u8 *) &eap->identifier, sizeof(eap->identifier)) < 0)
+               eap->identifier = os_random() & 0xff;
        eap->length = htons(5);
        pos = (u8 *) (eap + 1);
        *pos = EAP_TYPE_IDENTITY;