Fix PTK rekeying to generate a new ANonce am: 35c412ba30
am: 7238b3afed
Change-Id: I5cafd10b19965a532efc3a0de4f22c58a2d3cc81
diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c
index 707971d..bf10cc1 100644
--- a/src/ap/wpa_auth.c
+++ b/src/ap/wpa_auth.c
@@ -1901,6 +1901,21 @@
}
+static int wpa_auth_sm_ptk_update(struct wpa_state_machine *sm)
+{
+ if (random_get_bytes(sm->ANonce, WPA_NONCE_LEN)) {
+ wpa_printf(MSG_ERROR,
+ "WPA: Failed to get random data for ANonce");
+ sm->Disconnect = TRUE;
+ return -1;
+ }
+ wpa_hexdump(MSG_DEBUG, "WPA: Assign new ANonce", sm->ANonce,
+ WPA_NONCE_LEN);
+ sm->TimeoutCtr = 0;
+ return 0;
+}
+
+
SM_STATE(WPA_PTK, INITPMK)
{
u8 msk[2 * PMK_LEN];
@@ -2458,9 +2473,12 @@
SM_ENTER(WPA_PTK, AUTHENTICATION);
else if (sm->ReAuthenticationRequest)
SM_ENTER(WPA_PTK, AUTHENTICATION2);
- else if (sm->PTKRequest)
- SM_ENTER(WPA_PTK, PTKSTART);
- else switch (sm->wpa_ptk_state) {
+ else if (sm->PTKRequest) {
+ if (wpa_auth_sm_ptk_update(sm) < 0)
+ SM_ENTER(WPA_PTK, DISCONNECTED);
+ else
+ SM_ENTER(WPA_PTK, PTKSTART);
+ } else switch (sm->wpa_ptk_state) {
case WPA_PTK_INITIALIZE:
break;
case WPA_PTK_DISCONNECT: