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peap: add retransmission support

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Tim Kourt 2018-02-15 10:49:09 -08:00 committed by Denis Kenzior
parent 78270bc39e
commit 55e8d7fdcc
1 changed files with 44 additions and 0 deletions
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44
src/eap-peap.c
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@ -633,6 +633,49 @@ error:
eap_method_error(eap);
}
static void eap_peap_handle_retransmit(struct eap_state *eap,
const uint8_t *pkt, size_t len)
{
struct eap_peap_state *peap = eap_get_data(eap);
uint8_t flags_version;
if (len < 1) {
l_error("EAP-PEAP request too short");
goto error;
}
flags_version = pkt[0];
if (!eap_peap_validate_version(eap, flags_version)) {
l_error("EAP-PEAP version validation failed");
goto error;
}
if (flags_version & PEAP_FLAG_M) {
if (!peap->rx_pdu_buf)
goto error;
eap_peap_send_fragmented_request_ack(eap);
return;
}
if (!peap->tx_pdu_buf || !peap->tx_pdu_buf->data ||
!peap->tx_pdu_buf->len)
goto error;
if (PEAP_HEADER_LEN + peap->tx_pdu_buf->len > eap_get_mtu(eap))
eap_peap_send_fragment(eap);
else
eap_peap_send_response(eap, peap->tx_pdu_buf->data,
peap->tx_pdu_buf->len);
return;
error:
eap_method_error(eap);
}
static bool eap_peap_load_settings(struct eap_state *eap,
struct l_settings *settings,
const char *prefix)
@ -706,6 +749,7 @@ static struct eap_method eap_peap = {
.exports_msk = true,
.handle_request = eap_peap_handle_request,
.handle_retransmit = eap_peap_handle_retransmit,
.load_settings = eap_peap_load_settings,
.free = eap_peap_free,
};