P2PS: Add PD Response validation

[mech_eap.git] / wpa_supplicant / p2p_supplicant.c

diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 220f2d7..9e2760f 100644 (file)
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -3689,6 +3689,14 @@ static void wpas_p2ps_prov_complete(void *ctx, u8 status, const u8 *dev,
        /* Clean up stale persistent groups with this device */
        s = wpas_p2p_get_persistent(wpa_s, dev, persist_ssid,
                                    persist_ssid_size);
+
+       if (persist_ssid && s && s->mode != WPAS_MODE_P2P_GO &&
+           os_memcmp(grp_mac, mac, ETH_ALEN) == 0) {
+               wpa_dbg(wpa_s, MSG_ERROR,
+                       "P2P: Peer device is a GO in a persistent group, but it did not provide the intended MAC address");
+               return;
+       }
+
        for (;;) {
                stale = wpas_p2p_get_persistent(wpa_s, dev, NULL, 0);
                if (!stale)