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/*
* Copyright (C) 2008 Martin Willi
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <string.h>
#include "medsrv_config.h"
#include <daemon.h>
typedef struct private_medsrv_config_t private_medsrv_config_t;
/**
* Private data of an medsrv_config_t object
*/
struct private_medsrv_config_t {
/**
* Public part
*/
medsrv_config_t public;
/**
* database connection
*/
database_t *db;
/**
* rekey time
*/
int rekey;
/**
* dpd delay
*/
int dpd;
/**
* default ike config
*/
ike_cfg_t *ike;
};
METHOD(backend_t, get_peer_cfg_by_name, peer_cfg_t*,
private_medsrv_config_t *this, char *name)
{
return NULL;
}
METHOD(backend_t, create_ike_cfg_enumerator, enumerator_t*,
private_medsrv_config_t *this, host_t *me, host_t *other)
{
return enumerator_create_single(this->ike, NULL);
}
METHOD(backend_t, create_peer_cfg_enumerator, enumerator_t*,
private_medsrv_config_t *this, identification_t *me,
identification_t *other)
{
enumerator_t *e;
if (!me || !other || other->get_type(other) != ID_KEY_ID)
{
return NULL;
}
e = this->db->query(this->db,
"SELECT CONCAT(peer.alias, CONCAT('@', user.login)) FROM "
"peer JOIN user ON peer.user = user.id "
"WHERE peer.keyid = ?", DB_BLOB, other->get_encoding(other),
DB_TEXT);
if (e)
{
peer_cfg_t *peer_cfg;
auth_cfg_t *auth;
char *name;
if (e->enumerate(e, &name))
{
peer_cfg_create_t peer = {
.cert_policy = CERT_NEVER_SEND,
.unique = UNIQUE_REPLACE,
.keyingtries = 1,
.rekey_time = this->rekey * 60,
.jitter_time = this->rekey * 5,
.over_time = this->rekey * 3,
.dpd = this->dpd,
.mediation = TRUE,
};
peer_cfg = peer_cfg_create(name, this->ike->get_ref(this->ike),
&peer);
e->destroy(e);
auth = auth_cfg_create();
auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
auth->add(auth, AUTH_RULE_IDENTITY, me->clone(me));
peer_cfg->add_auth_cfg(peer_cfg, auth, TRUE);
auth = auth_cfg_create();
auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_PUBKEY);
auth->add(auth, AUTH_RULE_IDENTITY, other->clone(other));
peer_cfg->add_auth_cfg(peer_cfg, auth, FALSE);
return enumerator_create_single(peer_cfg, (void*)peer_cfg->destroy);
}
e->destroy(e);
}
return NULL;
}
METHOD(medsrv_config_t, destroy, void,
private_medsrv_config_t *this)
{
this->ike->destroy(this->ike);
free(this);
}
/**
* Described in header.
*/
medsrv_config_t *medsrv_config_create(database_t *db)
{
private_medsrv_config_t *this;
INIT(this,
.public = {
.backend = {
.create_peer_cfg_enumerator = _create_peer_cfg_enumerator,
.create_ike_cfg_enumerator = _create_ike_cfg_enumerator,
.get_peer_cfg_by_name = _get_peer_cfg_by_name,
},
.destroy = _destroy,
},
.db = db,
.rekey = lib->settings->get_time(lib->settings, "medsrv.rekey", 1200),
.dpd = lib->settings->get_time(lib->settings, "medsrv.dpd", 300),
.ike = ike_cfg_create(IKEV2, FALSE, FALSE, "0.0.0.0",
charon->socket->get_port(charon->socket, FALSE),
"0.0.0.0", IKEV2_UDP_PORT,
FRAGMENTATION_NO, 0),
);
this->ike->add_proposal(this->ike, proposal_create_default(PROTO_IKE));
this->ike->add_proposal(this->ike, proposal_create_default_aead(PROTO_IKE));
return &this->public;
}
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