static void eap_sake_process(struct eap_sm *sm, void *priv,
u8 *respData, size_t respDataLen)
{
struct eap_sake_data *data = priv;
struct eap_sake_hdr *resp;
u8 subtype, *pos, *end;
resp = (struct eap_sake_hdr *) respData;
subtype = resp->subtype;
pos = (u8 *) (resp + 1);
end = respData + ntohs(resp->length);
wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
pos, end - pos);
switch (subtype) {
case EAP_SAKE_SUBTYPE_IDENTITY:
eap_sake_process_identity(sm, data, respData, respDataLen, pos,
end - pos);
break;
case EAP_SAKE_SUBTYPE_CHALLENGE:
eap_sake_process_challenge(sm, data, respData, respDataLen,
pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_CONFIRM:
eap_sake_process_confirm(sm, data, respData, respDataLen, pos,
end - pos);
break;
case EAP_SAKE_SUBTYPE_AUTH_REJECT:
eap_sake_process_auth_reject(sm, data, respData, respDataLen,
pos, end - pos);
break;
}
}
static void eap_sake_process(struct eap_sm *sm, void *priv,
struct wpabuf *respData)
{
struct eap_sake_data *data = priv;
struct eap_sake_hdr *resp;
u8 subtype;
size_t len;
const u8 *pos, *end;
pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, respData, &len);
if (pos == NULL || len < sizeof(struct eap_sake_hdr))
return;
resp = (struct eap_sake_hdr *) pos;
end = pos + len;
subtype = resp->subtype;
pos = (u8 *) (resp + 1);
wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
pos, end - pos);
switch (subtype) {
case EAP_SAKE_SUBTYPE_IDENTITY:
eap_sake_process_identity(sm, data, respData, pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_CHALLENGE:
eap_sake_process_challenge(sm, data, respData, pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_CONFIRM:
eap_sake_process_confirm(sm, data, respData, pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_AUTH_REJECT:
eap_sake_process_auth_reject(sm, data, respData, pos,
end - pos);
break;
}
}
static struct wpabuf * eap_sake_process(struct eap_sm *sm, void *priv,
struct eap_method_ret *ret,
const struct wpabuf *reqData)
{
struct eap_sake_data *data = priv;
const struct eap_sake_hdr *req;
struct wpabuf *resp;
const u8 *pos, *end;
size_t len;
u8 subtype, session_id, id;
pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, reqData, &len);
if (pos == NULL || len < sizeof(struct eap_sake_hdr)) {
ret->ignore = TRUE;
return NULL;
}
req = (const struct eap_sake_hdr *) pos;
end = pos + len;
id = eap_get_id(reqData);
subtype = req->subtype;
session_id = req->session_id;
pos = (const u8 *) (req + 1);
wpa_printf(MSG_DEBUG, "EAP-SAKE: Received frame: subtype %d "
"session_id %d", subtype, session_id);
wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
pos, end - pos);
if (data->session_id_set && data->session_id != session_id) {
wpa_printf(MSG_INFO, "EAP-SAKE: Session ID mismatch (%d,%d)",
session_id, data->session_id);
ret->ignore = TRUE;
return NULL;
}
data->session_id = session_id;
data->session_id_set = 1;
ret->ignore = FALSE;
ret->methodState = METHOD_MAY_CONT;
ret->decision = DECISION_FAIL;
ret->allowNotifications = TRUE;
switch (subtype) {
case EAP_SAKE_SUBTYPE_IDENTITY:
resp = eap_sake_process_identity(sm, data, ret, id,
pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_CHALLENGE:
resp = eap_sake_process_challenge(sm, data, ret, id,
pos, end - pos);
break;
case EAP_SAKE_SUBTYPE_CONFIRM:
resp = eap_sake_process_confirm(sm, data, ret, id, reqData,
pos, end - pos);
break;
default:
wpa_printf(MSG_DEBUG, "EAP-SAKE: Ignoring message with "
"unknown subtype %d", subtype);
ret->ignore = TRUE;
return NULL;
}
if (ret->methodState == METHOD_DONE)
ret->allowNotifications = FALSE;
return resp;
}