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TDLS: Add test mode for MIC failure testing

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"SET tdls_testing 0x800" can be used to enable a special test mode that
forces the FTIE MIC in TDLS setup messages to be incorrect.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-04-05 19:04:07 +03:00
parent 538da4f4d2
commit ed429931a0
1 changed files with 13 additions and 0 deletions
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13
src/rsn_supp/tdls.c
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@ -33,6 +33,7 @@
#define TDLS_TESTING_NO_TPK_EXPIRATION BIT(8)
#define TDLS_TESTING_DECLINE_RESP BIT(9)
#define TDLS_TESTING_IGNORE_AP_PROHIBIT BIT(10)
#define TDLS_TESTING_WRONG_MIC BIT(11)
unsigned int tdls_testing = 0;
#endif /* CONFIG_TDLS_TESTING */
@ -1213,6 +1214,12 @@ static int wpa_tdls_send_tpk_m2(struct wpa_sm *sm,
/* compute MIC before sending */
wpa_tdls_ftie_mic(peer->tpk.kck, 2, (u8 *) lnkid, peer->rsnie_p,
(u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
#ifdef CONFIG_TDLS_TESTING
if (tdls_testing & TDLS_TESTING_WRONG_MIC) {
wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong MIC");
ftie->mic[0] ^= 0x01;
}
#endif /* CONFIG_TDLS_TESTING */
skip_ies:
status = wpa_tdls_tpk_send(sm, src_addr, WLAN_TDLS_SETUP_RESPONSE,
@ -1296,6 +1303,12 @@ static int wpa_tdls_send_tpk_m3(struct wpa_sm *sm,
/* compute MIC before sending */
wpa_tdls_ftie_mic(peer->tpk.kck, 3, (u8 *) lnkid, peer->rsnie_p,
(u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
#ifdef CONFIG_TDLS_TESTING
if (tdls_testing & TDLS_TESTING_WRONG_MIC) {
wpa_printf(MSG_DEBUG, "TDLS: Testing - use wrong MIC");
ftie->mic[0] ^= 0x01;
}
#endif /* CONFIG_TDLS_TESTING */
if (peer->vht_capabilities)
peer_capab |= TDLS_PEER_VHT;