mirror of
https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-18 18:29:29 +01:00
130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
/*
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*
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* Wireless daemon for Linux
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*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <ell/ell.h>
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#include "eap.h"
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struct eap_gtc_state {
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char *secret;
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};
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static void eap_gtc_free(struct eap_state *eap)
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{
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struct eap_gtc_state *gtc = eap_get_data(eap);
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eap_set_data(eap, NULL);
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l_free(gtc->secret);
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l_free(gtc);
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}
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static void eap_gtc_handle_request(struct eap_state *eap,
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const uint8_t *pkt, size_t len)
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{
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struct eap_gtc_state *gtc = eap_get_data(eap);
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size_t secret_len = strlen(gtc->secret);
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uint8_t response[5 + secret_len];
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if (len < 8)
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goto error;
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if (strncmp((const char *)pkt, "Password", 8))
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goto error;
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memcpy(response + 5, gtc->secret, secret_len);
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eap_send_response(eap, EAP_TYPE_GTC, response, 5 + secret_len);
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eap_method_success(eap);
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return;
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error:
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l_error("invalid GTC request");
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eap_method_error(eap);
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}
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static bool eap_gtc_check_settings(struct l_settings *settings,
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struct l_queue *secrets,
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const char *prefix,
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struct l_queue **out_missing)
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{
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char setting[64];
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snprintf(setting, sizeof(setting), "%sGTC-Secret", prefix);
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if (!l_settings_get_value(settings, "Security", setting)) {
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l_error("Property %s is missing", setting);
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return false;
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}
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return true;
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}
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static bool eap_gtc_load_settings(struct eap_state *eap,
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struct l_settings *settings,
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const char *prefix)
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{
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struct eap_gtc_state *gtc;
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char setting[64];
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char *secret;
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snprintf(setting, sizeof(setting), "%sGTC-Secret", prefix);
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secret = l_strdup(l_settings_get_value(settings, "Security", setting));
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gtc = l_new(struct eap_gtc_state, 1);
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gtc->secret = secret;
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eap_set_data(eap, gtc);
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return true;
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}
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static struct eap_method eap_gtc = {
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.request_type = EAP_TYPE_GTC,
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.exports_msk = false,
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.name = "GTC",
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.free = eap_gtc_free,
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.handle_request = eap_gtc_handle_request,
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.check_settings = eap_gtc_check_settings,
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.load_settings = eap_gtc_load_settings,
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};
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static int eap_gtc_init(void)
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{
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l_debug("");
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return eap_register_method(&eap_gtc);
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}
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static void eap_gtc_exit(void)
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{
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l_debug("");
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eap_unregister_method(&eap_gtc);
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}
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EAP_METHOD_BUILTIN(eap_gtc, eap_gtc_init, eap_gtc_exit)
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