diff options
Diffstat (limited to 'contrib/wpa_supplicant/eap_gtc.c')
-rw-r--r-- | contrib/wpa_supplicant/eap_gtc.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/contrib/wpa_supplicant/eap_gtc.c b/contrib/wpa_supplicant/eap_gtc.c deleted file mode 100644 index ed4f8f3..0000000 --- a/contrib/wpa_supplicant/eap_gtc.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * EAP peer method: EAP-GTC (RFC 3748) - * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Alternatively, this software may be distributed under the terms of BSD - * license. - * - * See README and COPYING for more details. - */ - -#include "includes.h" - -#include "common.h" -#include "eap_i.h" - - -struct eap_gtc_data { - int prefix; -}; - - -static void * eap_gtc_init(struct eap_sm *sm) -{ - struct eap_gtc_data *data; - data = os_zalloc(sizeof(*data)); - if (data == NULL) - return NULL; - - if (sm->m && sm->m->method == EAP_TYPE_FAST) { - wpa_printf(MSG_DEBUG, "EAP-GTC: EAP-FAST tunnel - use prefix " - "with challenge/response"); - data->prefix = 1; - } - return data; -} - - -static void eap_gtc_deinit(struct eap_sm *sm, void *priv) -{ - struct eap_gtc_data *data = priv; - os_free(data); -} - - -static u8 * eap_gtc_process(struct eap_sm *sm, void *priv, - struct eap_method_ret *ret, - const u8 *reqData, size_t reqDataLen, - size_t *respDataLen) -{ - struct eap_gtc_data *data = priv; - const struct eap_hdr *req; - struct eap_hdr *resp; - const u8 *pos, *password, *identity; - u8 *rpos; - size_t password_len, identity_len, len, plen; - int otp; - - pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GTC, - reqData, reqDataLen, &len); - if (pos == NULL) { - ret->ignore = TRUE; - return NULL; - } - req = (const struct eap_hdr *) reqData; - - wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-GTC: Request message", pos, len); - if (data->prefix && - (len < 10 || os_memcmp(pos, "CHALLENGE=", 10) != 0)) { - wpa_printf(MSG_DEBUG, "EAP-GTC: Challenge did not start with " - "expected prefix"); - - /* Send an empty response in order to allow tunneled - * acknowledgement of the failure. This will also cover the - * error case which seems to use EAP-MSCHAPv2 like error - * reporting with EAP-GTC inside EAP-FAST tunnel. */ - resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GTC, - respDataLen, 0, EAP_CODE_RESPONSE, - req->identifier, NULL); - return (u8 *) resp; - } - - 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-GTC: Password not configured"); - eap_sm_request_otp(sm, (const char *) pos, len); - ret->ignore = TRUE; - return NULL; - } - - ret->ignore = FALSE; - - ret->methodState = data->prefix ? METHOD_MAY_CONT : METHOD_DONE; - ret->decision = DECISION_COND_SUCC; - ret->allowNotifications = FALSE; - - plen = password_len; - identity = eap_get_config_identity(sm, &identity_len); - if (identity == NULL) - return NULL; - if (data->prefix) - plen += 9 + identity_len + 1; - resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GTC, respDataLen, - plen, EAP_CODE_RESPONSE, req->identifier, &rpos); - if (resp == NULL) - return NULL; - if (data->prefix) { - os_memcpy(rpos, "RESPONSE=", 9); - rpos += 9; - os_memcpy(rpos, identity, identity_len); - rpos += identity_len; - *rpos++ = '\0'; - } - os_memcpy(rpos, password, password_len); - wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-GTC: Response", - (u8 *) (resp + 1) + 1, plen); - - if (otp) { - wpa_printf(MSG_DEBUG, "EAP-GTC: Forgetting used password"); - eap_clear_config_otp(sm); - } - - return (u8 *) resp; -} - - -int eap_peer_gtc_register(void) -{ - struct eap_method *eap; - int ret; - - eap = eap_peer_method_alloc(EAP_PEER_METHOD_INTERFACE_VERSION, - EAP_VENDOR_IETF, EAP_TYPE_GTC, "GTC"); - if (eap == NULL) - return -1; - - eap->init = eap_gtc_init; - eap->deinit = eap_gtc_deinit; - eap->process = eap_gtc_process; - - ret = eap_peer_method_register(eap); - if (ret) - eap_peer_method_free(eap); - return ret; -} |