static struct wpabuf * eap_tls_buildReq(struct eap_sm *sm, void *priv, u8 id)
{
struct eap_tls_data *data = priv;
struct wpabuf *res;
if (data->ssl.state == FRAG_ACK) {
return eap_server_tls_build_ack(id, data->eap_type, 0);
}
if (data->ssl.state == WAIT_FRAG_ACK) {
res = eap_server_tls_build_msg(&data->ssl, data->eap_type, 0,
id);
goto check_established;
}
switch (data->state) {
case START:
return eap_tls_build_start(sm, data, id);
case CONTINUE:
if (tls_connection_established(sm->ssl_ctx, data->ssl.conn))
data->established = 1;
break;
default:
wpa_printf(MSG_DEBUG, "EAP-TLS: %s - unexpected state %d",
__func__, data->state);
return NULL;
}
res = eap_server_tls_build_msg(&data->ssl, data->eap_type, 0, id);
check_established:
if (data->established && data->ssl.state != WAIT_FRAG_ACK) {
/* TLS handshake has been completed and there are no more
* fragments waiting to be sent out. */
wpa_printf(MSG_DEBUG, "EAP-TLS: Done");
eap_tls_state(data, SUCCESS);
eap_tls_valid_session(sm, data);
}
return res;
}
static struct wpabuf * eap_fast_buildReq(struct eap_sm *sm, void *priv, u8 id)
{
struct eap_fast_data *data = priv;
struct wpabuf *req = NULL;
int piggyback = 0;
if (data->ssl.state == FRAG_ACK) {
return eap_server_tls_build_ack(id, EAP_TYPE_FAST,
data->fast_version);
}
if (data->ssl.state == WAIT_FRAG_ACK) {
return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_FAST,
data->fast_version, id);
}
switch (data->state) {
case START:
return eap_fast_build_start(sm, data, id);
case PHASE1:
if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
if (eap_fast_phase1_done(sm, data) < 0)
return NULL;
if (data->state == PHASE2_START) {
/*
* Try to generate Phase 2 data to piggyback
* with the end of Phase 1 to avoid extra
* roundtrip.
*/
wpa_printf(MSG_DEBUG, "EAP-FAST: Try to start "
"Phase 2");
if (eap_fast_process_phase2_start(sm, data))
break;
req = eap_fast_build_phase2_req(sm, data, id);
piggyback = 1;
}
}
break;
case PHASE2_ID:
case PHASE2_METHOD:
req = eap_fast_build_phase2_req(sm, data, id);
break;
case CRYPTO_BINDING:
req = eap_fast_build_crypto_binding(sm, data);
if (data->phase2_method) {
/*
* Include the start of the next EAP method in the
* sequence in the same message with Crypto-Binding to
* save a round-trip.
*/
struct wpabuf *eap;
eap = eap_fast_build_phase2_req(sm, data, id);
req = wpabuf_concat(req, eap);
eap_fast_state(data, PHASE2_METHOD);
}
break;
case REQUEST_PAC:
req = eap_fast_build_pac(sm, data);
break;
default:
wpa_printf(MSG_DEBUG, "EAP-FAST: %s - unexpected state %d",
__func__, data->state);
return NULL;
}
if (req &&
eap_fast_encrypt_phase2(sm, data, req, piggyback) < 0)
return NULL;
return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_FAST,
data->fast_version, id);
}
static struct wpabuf * eap_peap_buildReq(struct eap_sm *sm, void *priv, u8 id)
{
struct eap_peap_data *data = priv;
if (data->ssl.state == FRAG_ACK) {
return eap_server_tls_build_ack(id, EAP_TYPE_PEAP,
data->peap_version);
}
if (data->ssl.state == WAIT_FRAG_ACK) {
return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
data->peap_version, id);
}
switch (data->state) {
case START:
return eap_peap_build_start(sm, data, id);
case PHASE1:
case PHASE1_ID2:
if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) {
wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase1 done, "
"starting Phase2");
eap_peap_state(data, PHASE2_START);
}
break;
case PHASE2_ID:
case PHASE2_METHOD:
wpabuf_free(data->ssl.tls_out);
data->ssl.tls_out_pos = 0;
data->ssl.tls_out = eap_peap_build_phase2_req(sm, data, id);
break;
#ifdef EAP_SERVER_TNC
case PHASE2_SOH:
wpabuf_free(data->ssl.tls_out);
data->ssl.tls_out_pos = 0;
data->ssl.tls_out = eap_peap_build_phase2_soh(sm, data, id);
break;
#endif /* EAP_SERVER_TNC */
case PHASE2_TLV:
wpabuf_free(data->ssl.tls_out);
data->ssl.tls_out_pos = 0;
data->ssl.tls_out = eap_peap_build_phase2_tlv(sm, data, id);
break;
case SUCCESS_REQ:
wpabuf_free(data->ssl.tls_out);
data->ssl.tls_out_pos = 0;
data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
1);
break;
case FAILURE_REQ:
wpabuf_free(data->ssl.tls_out);
data->ssl.tls_out_pos = 0;
data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id,
0);
break;
default:
wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d",
__func__, data->state);
return NULL;
}
return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP,
data->peap_version, id);
}