Added an optional mitigation mechanism for certain attacks against TKIP by

[thirdparty/hostap.git] / wpa_supplicant / wpas_glue.c

diff --git a/wpa_supplicant/wpas_glue.c b/wpa_supplicant/wpas_glue.c
index d5e31ebb0d3d77ad53dc9ba1735afeeeb07e4800..e1e2cd66e79b3eed69fb61cffec1a6b42a8bbb83 100644 (file)
--- a/wpa_supplicant/wpas_glue.c
+++ b/wpa_supplicant/wpas_glue.c
@@ -427,11 +427,16 @@ static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
 }
 
 
-static int wpa_supplicant_set_key(void *wpa_s, wpa_alg alg,
+static int wpa_supplicant_set_key(void *_wpa_s, wpa_alg alg,
                                  const u8 *addr, int key_idx, int set_tx,
                                  const u8 *seq, size_t seq_len,
                                  const u8 *key, size_t key_len)
 {
+       struct wpa_supplicant *wpa_s = _wpa_s;
+       if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
+               /* Clear the MIC error counter when setting a new PTK. */
+               wpa_s->mic_errors_seen = 0;
+       }
        return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
                               key, key_len);
 }