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EAP-MSCHAPv2 peer: Add option to disable password retry query

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wpa_supplicant used to request user to re-enter username/password if the
server indicated that EAP-MSCHAPv2 (e.g., in PEAP Phase 2)
authentication failed (E=691), but retry is allowed (R=1). This is a
reasonable default behavior, but there may be cases where it is more
convenient to close the authentication session immediately rather than
wait for user to do something.

Add a new "mschapv2_retry=0" option to the phase2 field to allow the
retry behavior to be disabled. This will make wpa_supplicant abort
authentication attempt on E=691 regardless of whether the server allows
retry.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-02-01 17:45:19 +02:00
parent f4cd0f6454
commit 49fcc32e91
3 changed files with 12 additions and 2 deletions
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7
src/eap_peer/eap_mschapv2.c
View file

@ -472,6 +472,13 @@ static int eap_mschapv2_failure_txt(struct eap_sm *sm,
pos += 2;
msg = pos;
}
if (data->prev_error == ERROR_AUTHENTICATION_FAILURE && retry &&
config && config->phase2 &&
os_strstr(config->phase2, "mschapv2_retry=0")) {
wpa_printf(MSG_DEBUG,
"EAP-MSCHAPV2: mark password retry disabled based on local configuration");
retry = 0;
}
wpa_msg(sm->msg_ctx, MSG_WARNING,
"EAP-MSCHAPV2: failure message: '%s' (retry %sallowed, error "
"%d)",