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peap: add phase two eap tx/rx handlers

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Tim Kourt 2018-02-14 16:14:49 -08:00 committed by Denis Kenzior
parent 1ece3b13e4
commit 91ec5cff8c
1 changed files with 67 additions and 0 deletions
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67
src/eap-peap.c
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@ -186,6 +186,20 @@ static void eap_peap_free(struct eap_state *eap)
static void eap_peap_phase2_send_response(const uint8_t *pdu, size_t pdu_len, static void eap_peap_phase2_send_response(const uint8_t *pdu, size_t pdu_len,
void *user_data) void *user_data)
{ {
struct eap_state *eap = user_data;
struct eap_peap_state *peap = eap_get_data(eap);
if (peap->version == PEAP_VERSION_0) {
if (pdu_len < 5)
return;
if (pdu[4] != EAP_TYPE_EXTENSIONS) {
pdu += 4;
pdu_len -= 4;
}
}
l_tls_write(peap->tunnel, pdu, pdu_len);
} }
static void eap_peap_phase2_complete(enum eap_result result, void *user_data) static void eap_peap_phase2_complete(enum eap_result result, void *user_data)
@ -202,6 +216,46 @@ static void eap_peap_phase2_complete(enum eap_result result, void *user_data)
l_tls_close(peap->tunnel); l_tls_close(peap->tunnel);
} }
static void eap_extensions_handle_request(struct eap_state *eap,
const uint8_t *pkt,
size_t len)
{
}
static void eap_peap_phase2_handle_request(struct eap_state *eap,
const uint8_t *pkt,
size_t len)
{
struct eap_peap_state *peap = eap_get_data(eap);
if (peap->version == PEAP_VERSION_0) {
uint8_t id;
if (len < 1)
return;
if (len > 4 && pkt[4] == EAP_TYPE_EXTENSIONS) {
eap_extensions_handle_request(eap, pkt, len);
return;
}
/*
* The PEAPv0 phase2 packets are headerless. Our implementation
* of the EAP methods requires packet identifier. Therefore,
* PEAP packet identifier is used for the headerless
* phase2 packets.
*/
eap_save_last_id(eap, &id);
__eap_handle_request(peap->phase2_eap, id, pkt, len);
return;
}
eap_rx_packet(peap->phase2_eap, pkt, len);
}
static void eap_peap_send_fragment(struct eap_state *eap) static void eap_peap_send_fragment(struct eap_state *eap)
{ {
struct eap_peap_state *peap = eap_get_data(eap); struct eap_peap_state *peap = eap_get_data(eap);
@ -358,6 +412,19 @@ static void eap_peap_handle_payload(struct eap_state *eap,
const uint8_t *pkt, const uint8_t *pkt,
size_t pkt_len) size_t pkt_len)
{ {
struct eap_peap_state *peap = eap_get_data(eap);
l_tls_handle_rx(peap->tunnel, pkt, pkt_len);
/* Plaintext phase two eap packet is stored into peap->plain_buf */
if (!peap->plain_buf)
return;
eap_peap_phase2_handle_request(eap, peap->plain_buf->data,
peap->plain_buf->len);
databuf_free(peap->plain_buf);
peap->plain_buf = NULL;
} }
static bool eap_peap_init_request_assembly(struct eap_state *eap, static bool eap_peap_init_request_assembly(struct eap_state *eap,