diff options
Diffstat (limited to 'contrib/wpa_supplicant/eap_gtc.c')
| -rw-r--r-- | contrib/wpa_supplicant/eap_gtc.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/contrib/wpa_supplicant/eap_gtc.c b/contrib/wpa_supplicant/eap_gtc.c deleted file mode 100644 index 42a7a49acaf1..000000000000 --- a/contrib/wpa_supplicant/eap_gtc.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * WPA Supplicant / EAP-GTC (RFC 2284) - * Copyright (c) 2004-2005, Jouni Malinen <jkmaline@cc.hut.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 <stdlib.h> -#include <stdio.h> -#include <string.h> - -#include "common.h" -#include "eap_i.h" -#include "wpa_supplicant.h" -#include "config_ssid.h" - - -struct eap_gtc_data { - int prefix; -}; - - -static void * eap_gtc_init(struct eap_sm *sm) -{ - struct eap_gtc_data *data; - data = malloc(sizeof(*data)); - if (data == NULL) - return NULL; - memset(data, 0, sizeof(*data)); - - 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; - free(data); -} - - -static u8 * eap_gtc_process(struct eap_sm *sm, void *priv, - struct eap_method_ret *ret, - u8 *reqData, size_t reqDataLen, - size_t *respDataLen) -{ - struct eap_gtc_data *data = priv; - struct wpa_ssid *config = eap_get_config(sm); - struct eap_hdr *req, *resp; - u8 *pos, *password; - size_t password_len, len, msg_len; - - req = (struct eap_hdr *) reqData; - pos = (u8 *) (req + 1); - if (reqDataLen < sizeof(*req) + 1 || *pos != EAP_TYPE_GTC || - (len = be_to_host16(req->length)) > reqDataLen) { - wpa_printf(MSG_INFO, "EAP-GTC: Invalid frame"); - ret->ignore = TRUE; - return NULL; - } - pos++; - msg_len = len - sizeof(*req) - 1; - wpa_hexdump_ascii(MSG_MSGDUMP, "EAP-GTC: Request message", - pos, msg_len); - if (data->prefix && - (msg_len < 10 || 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. */ - *respDataLen = sizeof(struct eap_hdr) + 1; - resp = malloc(*respDataLen); - if (resp == NULL) - return NULL; - resp->code = EAP_CODE_RESPONSE; - resp->identifier = req->identifier; - resp->length = host_to_be16(*respDataLen); - pos = (u8 *) (resp + 1); - *pos++ = EAP_TYPE_GTC; - return (u8 *) resp; - } - - if (config == NULL || - (config->password == NULL && config->otp == NULL)) { - wpa_printf(MSG_INFO, "EAP-GTC: Password not configured"); - eap_sm_request_otp(sm, config, (char *) pos, - len - sizeof(*req) - 1); - ret->ignore = TRUE; - return NULL; - } - - if (config->otp) { - password = config->otp; - password_len = config->otp_len; - } else { - password = config->password; - password_len = config->password_len; - } - - ret->ignore = FALSE; - - ret->methodState = data->prefix ? METHOD_MAY_CONT : METHOD_DONE; - ret->decision = DECISION_COND_SUCC; - ret->allowNotifications = FALSE; - - *respDataLen = sizeof(struct eap_hdr) + 1 + password_len; - if (data->prefix) { - *respDataLen += 9 + config->identity_len + 1; - } - resp = malloc(*respDataLen); - if (resp == NULL) - return NULL; - resp->code = EAP_CODE_RESPONSE; - resp->identifier = req->identifier; - resp->length = host_to_be16(*respDataLen); - pos = (u8 *) (resp + 1); - *pos++ = EAP_TYPE_GTC; - if (data->prefix) { - memcpy(pos, "RESPONSE=", 9); - pos += 9; - memcpy(pos, config->identity, config->identity_len); - pos += config->identity_len; - *pos++ = '\0'; - } - memcpy(pos, password, password_len); - wpa_hexdump_ascii_key(MSG_MSGDUMP, "EAP-GTC: Response", - (u8 *) (resp + 1) + 1, - *respDataLen - sizeof(struct eap_hdr) - 1); - - if (config->otp) { - wpa_printf(MSG_DEBUG, "EAP-GTC: Forgetting used password"); - memset(config->otp, 0, config->otp_len); - free(config->otp); - config->otp = NULL; - config->otp_len = 0; - } - - return (u8 *) resp; -} - - -const struct eap_method eap_method_gtc = -{ - .method = EAP_TYPE_GTC, - .name = "GTC", - .init = eap_gtc_init, - .deinit = eap_gtc_deinit, - .process = eap_gtc_process, -}; |