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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.
*
* $Id$
*/
#include "load_tester_config.h"
#include <daemon.h>
typedef struct private_load_tester_config_t private_load_tester_config_t;
/**
* Private data of an load_tester_config_t object
*/
struct private_load_tester_config_t {
/**
* Public part
*/
load_tester_config_t public;
/**
* peer config
*/
peer_cfg_t *peer_cfg;
/**
* virtual IP, if any
*/
host_t *vip;
/**
* Remote address
*/
char *remote;
/**
* IP address pool
*/
char *pool;
/**
* IKE proposal
*/
proposal_t *proposal;
/**
* Authentication method to use
*/
auth_class_t class;
/**
* incremental numbering of generated configs
*/
u_int num;
};
/**
* Generate a new initiator config, num = 0 for responder config
*/
static peer_cfg_t* generate_config(private_load_tester_config_t *this, uint num)
{
ike_cfg_t *ike_cfg;
child_cfg_t *child_cfg;
peer_cfg_t *peer_cfg;
traffic_selector_t *ts;
auth_info_t *auth;
identification_t *local, *remote;
proposal_t *proposal;
char buf[128];
if (num)
{ /* initiator */
snprintf(buf, sizeof(buf), "CN=cli-%d, OU=load-test, O=strongSwan", num);
local = identification_create_from_string(buf);
snprintf(buf, sizeof(buf), "CN=srv, OU=load-test, O=strongSwan", num);
remote = identification_create_from_string(buf);
}
else
{ /* responder */
local = identification_create_from_string(
"CN=srv, OU=load-test, O=strongSwan");
remote = identification_create_from_string(
"CN=*, OU=load-test, O=strongSwan");
}
ike_cfg = ike_cfg_create(FALSE, FALSE, "0.0.0.0", this->remote);
ike_cfg->add_proposal(ike_cfg, this->proposal->clone(this->proposal));
peer_cfg = peer_cfg_create("load-test", 2, ike_cfg, local, remote,
CERT_SEND_IF_ASKED, UNIQUE_NO, 1, 0, 0, /* keytries, rekey, reauth */
0, 0, FALSE, 0, /* jitter, overtime, mobike, dpddelay */
this->vip ? this->vip->clone(this->vip) : NULL,
this->pool, FALSE, NULL, NULL);
auth = peer_cfg->get_auth(peer_cfg);
auth->add_item(auth, AUTHN_AUTH_CLASS, &this->class);
child_cfg = child_cfg_create("load-test", 600, 400, 100, NULL, TRUE,
MODE_TUNNEL, ACTION_NONE, ACTION_NONE, FALSE);
proposal = proposal_create_from_string(PROTO_ESP, "aes128-sha1");
child_cfg->add_proposal(child_cfg, proposal);
ts = traffic_selector_create_dynamic(0, 0, 65535);
child_cfg->add_traffic_selector(child_cfg, TRUE, ts);
ts = traffic_selector_create_dynamic(0, 0, 65535);
child_cfg->add_traffic_selector(child_cfg, FALSE, ts);
peer_cfg->add_child_cfg(peer_cfg, child_cfg);
return peer_cfg;
}
/**
* Implementation of backend_t.create_peer_cfg_enumerator.
*/
static enumerator_t* create_peer_cfg_enumerator(private_load_tester_config_t *this,
identification_t *me,
identification_t *other)
{
return enumerator_create_single(this->peer_cfg, NULL);
}
/**
* Implementation of backend_t.create_ike_cfg_enumerator.
*/
static enumerator_t* create_ike_cfg_enumerator(private_load_tester_config_t *this,
host_t *me, host_t *other)
{
ike_cfg_t *ike_cfg;
ike_cfg = this->peer_cfg->get_ike_cfg(this->peer_cfg);
return enumerator_create_single(ike_cfg, NULL);
}
/**
* implements backend_t.get_peer_cfg_by_name.
*/
static peer_cfg_t *get_peer_cfg_by_name(private_load_tester_config_t *this,
char *name)
{
if (streq(name, "load-test"))
{
return generate_config(this, this->num++);
}
return NULL;
}
/**
* Implementation of load_tester_config_t.destroy.
*/
static void destroy(private_load_tester_config_t *this)
{
this->peer_cfg->destroy(this->peer_cfg);
DESTROY_IF(this->proposal);
DESTROY_IF(this->vip);
free(this);
}
/**
* Described in header.
*/
load_tester_config_t *load_tester_config_create()
{
private_load_tester_config_t *this = malloc_thing(private_load_tester_config_t);
char *authstr;
this->public.backend.create_peer_cfg_enumerator = (enumerator_t*(*)(backend_t*, identification_t *me, identification_t *other))create_peer_cfg_enumerator;
this->public.backend.create_ike_cfg_enumerator = (enumerator_t*(*)(backend_t*, host_t *me, host_t *other))create_ike_cfg_enumerator;
this->public.backend.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_t*,char*))get_peer_cfg_by_name;
this->public.destroy = (void(*)(load_tester_config_t*))destroy;
this->vip = NULL;
if (lib->settings->get_bool(lib->settings,
"charon.plugins.load_tester.request_virtual_ip", FALSE))
{
this->vip = host_create_from_string("0.0.0.0", 0);
}
this->pool = lib->settings->get_str(lib->settings,
"charon.plugins.load_tester.pool", NULL);
this->remote = lib->settings->get_str(lib->settings,
"charon.plugins.load_tester.remote", "127.0.0.1");
this->proposal = proposal_create_from_string(PROTO_IKE,
lib->settings->get_str(lib->settings,
"charon.plugins.load_tester.proposal", "aes128-sha1-modp768"));
if (!this->proposal)
{ /* fallback */
this->proposal = proposal_create_from_string(PROTO_IKE,
"aes128-sha1-modp768");
}
authstr = lib->settings->get_str(lib->settings,
"charon.plugins.load_tester.auth", "pubkey");
if (streq(authstr, "psk"))
{
this->class = AUTH_CLASS_PSK;
}
else
{
this->class = AUTH_CLASS_PUBKEY;
}
this->num = 1;
this->peer_cfg = generate_config(this, 0);
return &this->public;
}
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