Added eap-dynamic plugin which can proxy any other EAP method
This commit is contained in:
Tobias Brunner
@@ -0,0 +1,16 @@
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INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
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-I$(top_srcdir)/src/libcharon
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AM_CFLAGS = -rdynamic
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if MONOLITHIC
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noinst_LTLIBRARIES = libstrongswan-eap-dynamic.la
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else
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plugin_LTLIBRARIES = libstrongswan-eap-dynamic.la
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endif
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libstrongswan_eap_dynamic_la_SOURCES = \
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eap_dynamic_plugin.h eap_dynamic_plugin.c eap_dynamic.h eap_dynamic.c
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libstrongswan_eap_dynamic_la_LDFLAGS = -module -avoid-version
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@@ -0,0 +1,146 @@
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/*
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* Copyright (C) 2012 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "eap_dynamic.h"
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#include <daemon.h>
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#include <library.h>
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typedef struct private_eap_dynamic_t private_eap_dynamic_t;
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/**
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* Private data of an eap_dynamic_t object.
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*/
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struct private_eap_dynamic_t {
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/**
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* Public authenticator_t interface.
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*/
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eap_dynamic_t public;
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/**
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* ID of the server
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*/
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identification_t *server;
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/**
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* ID of the peer
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*/
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identification_t *peer;
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/**
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* The proxied EAP method
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*/
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eap_method_t *method;
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};
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METHOD(eap_method_t, initiate, status_t,
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private_eap_dynamic_t *this, eap_payload_t **out)
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{
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return FAILED;
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}
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METHOD(eap_method_t, process, status_t,
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private_eap_dynamic_t *this, eap_payload_t *in, eap_payload_t **out)
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{
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return FAILED;
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}
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METHOD(eap_method_t, get_type, eap_type_t,
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private_eap_dynamic_t *this, u_int32_t *vendor)
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{
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if (this->method)
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{
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return this->method->get_type(this->method, vendor);
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}
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*vendor = 0;
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return EAP_DYNAMIC;
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}
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METHOD(eap_method_t, get_msk, status_t,
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private_eap_dynamic_t *this, chunk_t *msk)
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{
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if (this->method)
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{
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return this->method->get_msk(this->method, msk);
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}
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return FAILED;
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}
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METHOD(eap_method_t, get_identifier, u_int8_t,
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private_eap_dynamic_t *this)
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{
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if (this->method)
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{
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return this->method->get_identifier(this->method);
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}
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return 0;
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}
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METHOD(eap_method_t, set_identifier, void,
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private_eap_dynamic_t *this, u_int8_t identifier)
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{
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if (this->method)
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{
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this->method->set_identifier(this->method, identifier);
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}
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}
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METHOD(eap_method_t, is_mutual, bool,
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private_eap_dynamic_t *this)
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{
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if (this->method)
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{
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return this->method->is_mutual(this->method);
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}
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return FALSE;
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}
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METHOD(eap_method_t, destroy, void,
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private_eap_dynamic_t *this)
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{
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DESTROY_IF(this->method);
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this->server->destroy(this->server);
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this->peer->destroy(this->peer);
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free(this);
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}
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/*
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* Defined in header
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*/
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eap_dynamic_t *eap_dynamic_create(identification_t *server,
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identification_t *peer)
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{
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private_eap_dynamic_t *this;
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INIT(this,
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.public = {
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.interface = {
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.initiate = _initiate,
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.process = _process,
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.get_type = _get_type,
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.is_mutual = _is_mutual,
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.get_msk = _get_msk,
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.get_identifier = _get_identifier,
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.set_identifier = _set_identifier,
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.destroy = _destroy,
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},
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},
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.peer = peer->clone(peer),
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.server = server->clone(server),
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);
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return &this->public;
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}
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@@ -0,0 +1,52 @@
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/*
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* Copyright (C) 2012 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup eap_dynamic_i eap_dynamic
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* @{ @ingroup eap_dynamic
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*/
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#ifndef EAP_DYNAMIC_H_
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#define EAP_DYNAMIC_H_
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typedef struct eap_dynamic_t eap_dynamic_t;
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#include <sa/eap/eap_method.h>
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/**
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* Implementation of the eap_method_t interface for a virtual EAP method that
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* proxies other EAP methods and supports the selection of the actual method
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* by the client.
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*/
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struct eap_dynamic_t {
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/**
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* Implemented eap_method_t interface
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*/
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eap_method_t interface;
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};
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/**
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* Create a dynamic EAP proxy serving any supported real method which is also
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* supported (or selected) by the client.
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*
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* @param server ID of the EAP server
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* @param peer ID of the EAP client
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* @return eap_dynamic_t object
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*/
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eap_dynamic_t *eap_dynamic_create(identification_t *server,
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identification_t *peer);
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#endif /** EAP_DYNAMIC_H_ @}*/
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@@ -0,0 +1,62 @@
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/*
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* Copyright (C) 2012 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "eap_dynamic_plugin.h"
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#include "eap_dynamic.h"
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#include <daemon.h>
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METHOD(plugin_t, get_name, char*,
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eap_dynamic_plugin_t *this)
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{
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return "eap-dynamic";
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}
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METHOD(plugin_t, get_features, int,
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eap_dynamic_plugin_t *this, plugin_feature_t *features[])
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{
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static plugin_feature_t f[] = {
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PLUGIN_CALLBACK(eap_method_register, eap_dynamic_create),
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PLUGIN_PROVIDE(EAP_SERVER, EAP_DYNAMIC),
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};
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*features = f;
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return countof(f);
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}
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METHOD(plugin_t, destroy, void,
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eap_dynamic_plugin_t *this)
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{
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free(this);
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}
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/*
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* see header file
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*/
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plugin_t *eap_dynamic_plugin_create()
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{
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eap_dynamic_plugin_t *this;
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INIT(this,
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.plugin = {
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.get_name = _get_name,
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.get_features = _get_features,
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.destroy = _destroy,
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},
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);
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return &this->plugin;
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}
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@@ -0,0 +1,43 @@
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/*
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* Copyright (C) 2012 Tobias Brunner
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup eap_dynamic eap_dynamic
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* @ingroup cplugins
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*
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* @defgroup eap_dynamic_plugin eap_dynamic_plugin
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* @{ @ingroup eap_dynamic
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*/
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#ifndef EAP_DYNAMIC_PLUGIN_H_
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#define EAP_DYNAMIC_PLUGIN_H_
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#include <plugins/plugin.h>
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typedef struct eap_dynamic_plugin_t eap_dynamic_plugin_t;
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/**
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* EAP plugin that can use any supported EAP method the client supports or
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* prefers to use.
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*/
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struct eap_dynamic_plugin_t {
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/**
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* implements plugin interface
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*/
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plugin_t plugin;
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};
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#endif /** EAP_DYNAMIC_PLUGIN_H_ @}*/
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