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eap-wsc: Handle EAP WSC_NACK Requests

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These should be responded to with a NACK as well.
This commit is contained in:
Denis Kenzior 2016-09-09 13:40:41 -05:00
parent d2d9ce7be5
commit 8e50144d17
1 changed files with 32 additions and 1 deletions
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33
src/eap-wsc.c
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@ -783,6 +783,34 @@ clear_keys:
memset(&keys, 0, sizeof(keys)); memset(&keys, 0, sizeof(keys));
} }
static void eap_wsc_handle_nack(struct eap_state *eap,
const uint8_t *pdu, size_t len)
{
struct eap_wsc_state *wsc = eap_get_data(eap);
struct wsc_nack nack;
if (wsc_parse_wsc_nack(pdu, len, &nack) != 0)
return;
if (memcmp(nack.enrollee_nonce, wsc->m1->enrollee_nonce,
sizeof(nack.enrollee_nonce)))
return;
if (!wsc->m2)
return;
if (memcmp(nack.registrar_nonce, wsc->m2->registrar_nonce,
sizeof(nack.registrar_nonce)))
return;
/*
* The spec is completely unclear what the NACK error should be set
* to. Our choice is to reflect back what the request error code is
* in the response.
*/
eap_wsc_send_nack(eap, nack.configuration_error);
}
static void eap_wsc_handle_request(struct eap_state *eap, static void eap_wsc_handle_request(struct eap_state *eap,
const uint8_t *pkt, size_t len) const uint8_t *pkt, size_t len)
{ {
@ -818,7 +846,10 @@ static void eap_wsc_handle_request(struct eap_state *eap,
wsc->state = STATE_EXPECT_M2; wsc->state = STATE_EXPECT_M2;
return; return;
case WSC_OP_NACK: case WSC_OP_NACK:
/* TODO: Process NACK and respond with NACK */ if (len <= 2)
return;
eap_wsc_handle_nack(eap, pkt + 2, len - 2);
return; return;
case WSC_OP_ACK: case WSC_OP_ACK:
case WSC_OP_DONE: case WSC_OP_DONE: