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Move Michael MIC error report processing into separate function

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Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2011-10-30 12:21:08 +02:00
parent 01a1749156
commit ec02780529
1 changed files with 23 additions and 11 deletions
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34
src/ap/wpa_auth.c
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@ -710,6 +710,26 @@ static int ft_check_msg_2_of_4(struct wpa_authenticator *wpa_auth,
#endif /* CONFIG_IEEE80211R */ #endif /* CONFIG_IEEE80211R */
static void wpa_receive_error_report(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm, int group)
{
/* Supplicant reported a Michael MIC error */
wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_INFO,
"received EAPOL-Key Error Request "
"(STA detected Michael MIC failure (group=%d))",
group);
wpa_auth_mic_failure_report(wpa_auth, sm->addr);
sm->dot11RSNAStatsTKIPRemoteMICFailures++;
wpa_auth->dot11RSNAStatsTKIPRemoteMICFailures++;
/*
* Error report is not a request for a new key handshake, but since
* Authenticator may do it, let's change the keys now anyway.
*/
wpa_request_new_ptk(sm);
}
void wpa_receive(struct wpa_authenticator *wpa_auth, void wpa_receive(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm, struct wpa_state_machine *sm,
u8 *data, size_t data_len) u8 *data, size_t data_len)
@ -1015,17 +1035,9 @@ void wpa_receive(struct wpa_authenticator *wpa_auth,
#endif /* CONFIG_PEERKEY */ #endif /* CONFIG_PEERKEY */
return; return;
} else if (key_info & WPA_KEY_INFO_ERROR) { } else if (key_info & WPA_KEY_INFO_ERROR) {
/* Supplicant reported a Michael MIC error */ wpa_receive_error_report(
wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO, wpa_auth, sm,
"received EAPOL-Key Error Request " !(key_info & WPA_KEY_INFO_KEY_TYPE));
"(STA detected Michael MIC failure)");
wpa_auth_mic_failure_report(wpa_auth, sm->addr);
sm->dot11RSNAStatsTKIPRemoteMICFailures++;
wpa_auth->dot11RSNAStatsTKIPRemoteMICFailures++;
/* Error report is not a request for a new key
* handshake, but since Authenticator may do it, let's
* change the keys now anyway. */
wpa_request_new_ptk(sm);
} else if (key_info & WPA_KEY_INFO_KEY_TYPE) { } else if (key_info & WPA_KEY_INFO_KEY_TYPE) {
wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO, wpa_auth_logger(wpa_auth, sm->addr, LOGGER_INFO,
"received EAPOL-Key Request for new " "received EAPOL-Key Request for new "