0f3d578efc
Remove the GPL notification text from the files that were initially contributed by myself. Signed-hostap: Jouni Malinen <j@w1.fi>
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
/*
|
|
* EAP peer method: EAP-OTP (RFC 3748)
|
|
* Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This software may be distributed under the terms of the BSD license.
|
|
* See README for more details.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
#include "common.h"
|
|
#include "eap_i.h"
|
|
|
|
|
|
static void * eap_otp_init(struct eap_sm *sm)
|
|
{
|
|
/* No need for private data. However, must return non-NULL to indicate
|
|
* success. */
|
|
return (void *) 1;
|
|
}
|
|
|
|
|
|
static void eap_otp_deinit(struct eap_sm *sm, void *priv)
|
|
{
|
|
}
|
|
|
|
|
|
static struct wpabuf * eap_otp_process(struct eap_sm *sm, void *priv,
|
|
struct eap_method_ret *ret,
|
|
const struct wpabuf *reqData)
|
|
{
|
|
struct wpabuf *resp;
|
|
const u8 *pos, *password;
|
|
size_t password_len, len;
|
|
int otp;
|
|
|
|
pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_OTP, reqData, &len);
|
|
if (pos == NULL) {
|
|
ret->ignore = TRUE;
|
|
return NULL;
|
|
}
|
|
wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-OTP: Request message",
|
|
pos, len);
|
|
|
|
password = eap_get_config_otp(sm, &password_len);
|
|
if (password)
|
|
otp = 1;
|
|
else {
|
|
password = eap_get_config_password(sm, &password_len);
|
|
otp = 0;
|
|
}
|
|
|
|
if (password == NULL) {
|
|
wpa_printf(MSG_INFO, "EAP-OTP: Password not configured");
|
|
eap_sm_request_otp(sm, (const char *) pos, len);
|
|
ret->ignore = TRUE;
|
|
return NULL;
|
|
}
|
|
|
|
ret->ignore = FALSE;
|
|
|
|
ret->methodState = METHOD_DONE;
|
|
ret->decision = DECISION_COND_SUCC;
|
|
ret->allowNotifications = FALSE;
|
|
|
|
resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_OTP, password_len,
|
|
EAP_CODE_RESPONSE, eap_get_id(reqData));
|
|
if (resp == NULL)
|
|
return NULL;
|
|
wpabuf_put_data(resp, password, password_len);
|
|
wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-OTP: Response",
|
|
password, password_len);
|
|
|
|
if (otp) {
|
|
wpa_printf(MSG_DEBUG, "EAP-OTP: Forgetting used password");
|
|
eap_clear_config_otp(sm);
|
|
}
|
|
|
|
return resp;
|
|
}
|
|
|
|
|
|
int eap_peer_otp_register(void)
|
|
{
|
|
struct eap_method *eap;
|
|
int ret;
|
|
|
|
eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION,
|
|
EAP_VENDOR_IETF, EAP_TYPE_OTP, "OTP");
|
|
if (eap == NULL)
|
|
return -1;
|
|
|
|
eap->init = eap_otp_init;
|
|
eap->deinit = eap_otp_deinit;
|
|
eap->process = eap_otp_process;
|
|
|
|
ret = eap_peer_method_register(eap);
|
|
if (ret)
|
|
eap_peer_method_free(eap);
|
|
return ret;
|
|
}
|