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strongswan/src/libcharon/plugins/load_tester/load_tester_config.c

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/*
* Copyright (C) 2008 Martin Willi
* HSR 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 "load_tester_config.h"
#include <netdb.h>
#include <daemon.h>
#include <attributes/mem_pool.h>
#include <collections/hashtable.h>
#include <threading/mutex.h>
#define UNIQUE_PORT_START 1025
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;
/**
* Initiator address
*/
char *initiator;
/**
* Responder address
*/
char *responder;
/**
* IP address pool
*/
char *pool;
/**
* IKE proposal
*/
proposal_t *proposal;
/**
* ESP proposal
*/
proposal_t *esp;
/**
* Authentication method(s) to use/expect from initiator
*/
char *initiator_auth;
/**
* Authentication method(s) use/expected from responder
*/
char *responder_auth;
/**
* Initiator ID to enforce
*/
char *initiator_id;
/**
* Initiator ID to to match against as responder
*/
char *initiator_match;
/**
* Responder ID to enforce
*/
char *responder_id;
/**
* IPsec mode, tunnel|transport|beet
*/
char *mode;
/**
* Traffic Selector on initiator side, as proposed from initiator
*/
char *initiator_tsi;
/**
* Traffic Selector on responder side, as proposed from initiator
*/
char *initiator_tsr;
/**
* Traffic Selector on initiator side, as narrowed by responder
*/
char *responder_tsi;
/**
* Traffic Selector on responder side, as narrowed by responder
*/
char *responder_tsr;
/**
* Current port for unique initiator ports
*/
uint16_t unique_port;
/**
* IKE_SA rekeying delay
*/
u_int ike_rekey;
/**
* CHILD_SA rekeying delay
*/
u_int child_rekey;
/**
* DPD check delay
*/
u_int dpd_delay;
/**
* DPD timeout (IKEv1 only)
*/
u_int dpd_timeout;
/**
* incremental numbering of generated configs
*/
refcount_t num;
/**
* Dynamic source port, if used
*/
uint16_t port;
/**
* IKE version to use for load testing
*/
ike_version_t version;
/**
* List of pools to allocate external addresses dynamically, as mem_pool_t
*/
linked_list_t *pools;
/**
* Address prefix to use when installing dynamic addresses
*/
int prefix;
/**
* Keep addresses until shutdown?
*/
bool keep;
/**
* Hashtable with leases in "pools", host_t => entry_t
*/
hashtable_t *leases;
/**
* Mutex for leases hashtable
*/
mutex_t *mutex;
};
/**
* Lease entry
*/
typedef struct {
/** host reference, equal to key */
host_t *host;
/** associated identity */
identification_t *id;
} entry_t;
/**
* Destroy an entry_t
*/
static void entry_destroy(entry_t *this)
{
this->host->destroy(this->host);
this->id->destroy(this->id);
free(this);
}
/**
* Hashtable hash function
*/
static u_int hash(host_t *key)
{
return chunk_hash(key->get_address(key));
}
/**
* Hashtable equals function
*/
static bool equals(host_t *a, host_t *b)
{
return a->ip_equals(a, b);
}
/**
* Load external addresses to use, if any
*/
static void load_addrs(private_load_tester_config_t *this)
{
enumerator_t *enumerator, *tokens;
host_t *from, *to;
int bits;
char *iface, *token, *pos;
mem_pool_t *pool;
this->keep = lib->settings->get_bool(lib->settings,
"%s.plugins.load-tester.addrs_keep", FALSE, lib->ns);
this->prefix = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.addrs_prefix", 16, lib->ns);
enumerator = lib->settings->create_key_value_enumerator(lib->settings,
"%s.plugins.load-tester.addrs", lib->ns);
while (enumerator->enumerate(enumerator, &iface, &token))
{
tokens = enumerator_create_token(token, ",", " ");
while (tokens->enumerate(tokens, &token))
{
pos = strchr(token, '-');
if (pos)
{ /* range */
*(pos++) = '\0';
/* trim whitespace */
while (*pos == ' ')
{
pos++;
}
while (token[strlen(token) - 1] == ' ')
{
token[strlen(token) - 1] = '\0';
}
from = host_create_from_string(token, 0);
to = host_create_from_string(pos, 0);
if (from && to)
{
pool = mem_pool_create_range(iface, from, to);
if (pool)
{
DBG1(DBG_CFG, "loaded load-tester address range "
"%H-%H on %s", from, to, iface);
this->pools->insert_last(this->pools, pool);
}
from->destroy(from);
to->destroy(to);
}
else
{
DBG1(DBG_CFG, "parsing load-tester address range %s-%s "
"failed, skipped", token, pos);
DESTROY_IF(from);
DESTROY_IF(to);
}
}
else
{ /* subnet */
from = host_create_from_subnet(token, &bits);
if (from)
{
DBG1(DBG_CFG, "loaded load-tester address pool %H/%d on %s",
from, bits, iface);
pool = mem_pool_create(iface, from, bits);
from->destroy(from);
this->pools->insert_last(this->pools, pool);
}
else
{
DBG1(DBG_CFG, "parsing load-tester address %s failed, "
"skipped", token);
}
}
}
tokens->destroy(tokens);
}
enumerator->destroy(enumerator);
}
/**
* Generate auth config from string
*/
static void generate_auth_cfg(private_load_tester_config_t *this, char *str,
peer_cfg_t *peer_cfg, bool local, int num)
{
enumerator_t *enumerator;
auth_cfg_t *auth;
identification_t *id;
auth_class_t class;
eap_type_t type;
char buf[128];
int rnd = 0;
enumerator = enumerator_create_token(str, "|", " ");
while (enumerator->enumerate(enumerator, &str))
{
id = NULL;
auth = auth_cfg_create();
rnd++;
if (this->initiator_id)
{
if (this->initiator_match && (!local && !num))
{ /* as responder, use the specified identity that matches
* all used initiator identities, if given. */
snprintf(buf, sizeof(buf), this->initiator_match, rnd);
id = identification_create_from_string(buf);
}
else if ((local && num) || (!local && !num))
{ /* as initiator, create peer specific identities */
snprintf(buf, sizeof(buf), this->initiator_id, num, rnd);
id = identification_create_from_string(buf);
}
}
if (this->responder_id)
{
if ((local && !num) || (!local && num))
{
snprintf(buf, sizeof(buf), this->responder_id, num, rnd);
id = identification_create_from_string(buf);
}
}
if (streq(str, "psk"))
{ /* PSK authentication, use FQDNs */
class = AUTH_CLASS_PSK;
if (!id)
{
if ((local && !num) || (!local && num))
{
id = identification_create_from_string("srv.strongswan.org");
}
else if (local)
{
snprintf(buf, sizeof(buf), "c%d-r%d.strongswan.org",
num, rnd);
id = identification_create_from_string(buf);
}
else
{
id = identification_create_from_string("*.strongswan.org");
}
}
}
else if (strpfx(str, "eap"))
{ /* EAP authentication, use a NAI */
class = AUTH_CLASS_EAP;
if (*(str + strlen("eap")) == '-')
{
type = eap_type_from_string(str + strlen("eap-"));
if (type)
{
auth->add(auth, AUTH_RULE_EAP_TYPE, type);
}
}
if (!id)
{
if (local && num)
{
snprintf(buf, sizeof(buf), "1%.10d%.4d@strongswan.org",
num, rnd);
id = identification_create_from_string(buf);
}
else
{
id = identification_create_from_encoding(ID_ANY, chunk_empty);
}
}
}
else if (strpfx(str, "xauth"))
{ /* XAuth, use a username */
class = AUTH_CLASS_XAUTH;
if (*(str + strlen("xauth")) == '-')
{
auth->add(auth, AUTH_RULE_XAUTH_BACKEND, str + strlen("xauth-"));
}
if (!id)
{
if (local && num)
{
snprintf(buf, sizeof(buf), "cli-%.6d-%.2d", num, rnd);
id = identification_create_from_string(buf);
}
else
{
id = identification_create_from_encoding(ID_ANY, chunk_empty);
}
}
/* additionally set the ID as XAuth identity */
auth->add(auth, AUTH_RULE_XAUTH_IDENTITY, id->clone(id));
}
else
{
if (!streq(str, "pubkey"))
{
DBG1(DBG_CFG, "invalid authentication: '%s', fallback to pubkey",
str);
}
/* certificate authentication, use distinguished names */
class = AUTH_CLASS_PUBKEY;
if (!id)
{
if ((local && !num) || (!local && num))
{
id = identification_create_from_string(
"CN=srv, OU=load-test, O=strongSwan");
}
else if (local)
{
snprintf(buf, sizeof(buf),
"CN=c%d-r%d, OU=load-test, O=strongSwan", num, rnd);
id = identification_create_from_string(buf);
}
else
{
id = identification_create_from_string(
"CN=*, OU=load-test, O=strongSwan");
}
}
}
auth->add(auth, AUTH_RULE_AUTH_CLASS, class);
auth->add(auth, AUTH_RULE_IDENTITY, id);
peer_cfg->add_auth_cfg(peer_cfg, auth, local);
}
enumerator->destroy(enumerator);
}
/**
* Parse a protoport specifier
*/
static bool parse_protoport(char *token, uint16_t *from_port,
uint16_t *to_port, uint8_t *protocol)
{
char *sep, *port = "", *endptr;
struct protoent *proto;
struct servent *svc;
long int p;
sep = strrchr(token, ']');
if (!sep)
{
return FALSE;
}
*sep = '\0';
sep = strchr(token, '/');
if (sep)
{ /* protocol/port */
*sep = '\0';
port = sep + 1;
}
if (streq(token, "%any"))
{
*protocol = 0;
}
else
{
proto = getprotobyname(token);
if (proto)
{
*protocol = proto->p_proto;
}
else
{
p = strtol(token, &endptr, 0);
if ((*token && *endptr) || p < 0 || p > 0xff)
{
return FALSE;
}
*protocol = (uint8_t)p;
}
}
if (streq(port, "%any"))
{
*from_port = 0;
*to_port = 0xffff;
}
else if (streq(port, "%opaque"))
{
*from_port = 0xffff;
*to_port = 0;
}
else if (streq(port, "%unique"))
{
*from_port = *to_port = 0;
}
else if (*port)
{
svc = getservbyname(port, NULL);
if (svc)
{
*from_port = *to_port = ntohs(svc->s_port);
}
else
{
p = strtol(port, &endptr, 0);
if (p < 0 || p > 0xffff)
{
return FALSE;
}
*from_port = p;
if (*endptr == '-')
{
port = endptr + 1;
p = strtol(port, &endptr, 0);
if (p < 0 || p > 0xffff)
{
return FALSE;
}
}
*to_port = p;
if (*endptr)
{
return FALSE;
}
}
}
return TRUE;
}
/**
* Add a TS from a string to a child_cfg
*/
static void add_ts(private_load_tester_config_t *this,
char *string, child_cfg_t *cfg, bool local, bool initiator)
{
traffic_selector_t *ts;
if (string)
{
enumerator_t *enumerator;
char *subnet, *pos;
uint16_t from_port, to_port;
uint8_t proto;
enumerator = enumerator_create_token(string, ",", " ");
while (enumerator->enumerate(enumerator, &subnet))
{
proto = 0;
from_port = 0;
to_port = 65535;
pos = strchr(subnet, '[');
if (pos)
{
*(pos++) = '\0';
if (!parse_protoport(pos, &from_port, &to_port, &proto))
{
DBG1(DBG_CFG, "invalid proto/port: %s, skipped subnet",
pos);
continue;
}
}
if (from_port == 0 && to_port == 0)
{ /* %unique */
if (initiator)
{
from_port = this->unique_port++;
from_port = to_port = max(from_port, UNIQUE_PORT_START);
}
else
{ /* not supported as responder, use %any */
to_port = 65535;
}
}
if (streq(subnet, "%dynamic"))
{
ts = traffic_selector_create_dynamic(proto,
from_port, to_port);
}
else
{
ts = traffic_selector_create_from_cidr(subnet, proto,
from_port, to_port);
}
if (ts)
{
cfg->add_traffic_selector(cfg, local, ts);
}
else
{
DBG1(DBG_CFG, "invalid subnet: %s, skipped", subnet);
}
}
enumerator->destroy(enumerator);
}
else
{
ts = traffic_selector_create_dynamic(0, 0, 65535);
if (ts)
{
cfg->add_traffic_selector(cfg, local, ts);
}
}
}
/**
* Allocate and install a dynamic external address to use
*/
static host_t *allocate_addr(private_load_tester_config_t *this, uint num)
{
enumerator_t *enumerator;
mem_pool_t *pool;
host_t *found = NULL, *requested;
identification_t *id;
char *iface = NULL, buf[32];
entry_t *entry;
requested = host_create_any(AF_INET);
snprintf(buf, sizeof(buf), "ext-%d", num);
id = identification_create_from_string(buf);
enumerator = this->pools->create_enumerator(this->pools);
while (enumerator->enumerate(enumerator, &pool))
{
found = pool->acquire_address(pool, id, requested, MEM_POOL_NEW, NULL);
if (found)
{
iface = (char*)pool->get_name(pool);
break;
}
}
enumerator->destroy(enumerator);
requested->destroy(requested);
if (!found)
{
DBG1(DBG_CFG, "no address found to install as load-tester external IP");
id->destroy(id);
return NULL;
}
if (charon->kernel->add_ip(charon->kernel, found, this->prefix,
iface) != SUCCESS)
{
DBG1(DBG_CFG, "installing load-tester IP %H on %s failed", found, iface);
found->destroy(found);
id->destroy(id);
return NULL;
}
DBG1(DBG_CFG, "installed load-tester IP %H on %s", found, iface);
INIT(entry,
.host = found->clone(found),
.id = id,
);
this->mutex->lock(this->mutex);
entry = this->leases->put(this->leases, entry->host, entry);
this->mutex->unlock(this->mutex);
if (entry)
{ /* shouldn't actually happen */
entry_destroy(entry);
}
return found;
}
/**
* 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;
char local[32];
host_t *addr;
ike_cfg_create_t ike = {
.version = this->version,
.remote_port = IKEV2_UDP_PORT,
};
peer_cfg_create_t peer = {
.cert_policy = CERT_SEND_IF_ASKED,
.unique = UNIQUE_NO,
.keyingtries = 1,
.rekey_time = this->ike_rekey,
.over_time = this->ike_rekey,
.no_mobike = TRUE,
.dpd = this->dpd_delay,
.dpd_timeout = this->dpd_timeout,
};
child_cfg_create_t child = {
.lifetime = {
.time = {
.life = this->child_rekey * 2,
.rekey = this->child_rekey,
.jitter = 0
},
},
.mode = MODE_TUNNEL,
};
if (num)
{ /* initiator */
if (this->pools->get_count(this->pools))
{ /* using dynamically installed external addresses */
addr = allocate_addr(this, num);
if (!addr)
{
DBG1(DBG_CFG, "allocating external address failed");
return NULL;
}
snprintf(local, sizeof(local), "%H", addr);
addr->destroy(addr);
}
else
{
snprintf(local, sizeof(local), "%s", this->initiator);
}
ike.remote = this->responder;
}
else
{
snprintf(local, sizeof(local), "%s", this->responder);
ike.remote = this->initiator;
}
ike.local = local;
if (this->port && num)
{
ike.local_port = this->port + num - 1;
ike.remote_port = IKEV2_NATT_PORT;
}
else
{
ike.local_port = charon->socket->get_port(charon->socket, FALSE);
}
ike_cfg = ike_cfg_create(&ike);
ike_cfg->add_proposal(ike_cfg, this->proposal->clone(this->proposal, 0));
peer_cfg = peer_cfg_create("load-test", ike_cfg, &peer);
if (this->vip)
{
peer_cfg->add_virtual_ip(peer_cfg, this->vip->clone(this->vip));
}
if (this->pool)
{
peer_cfg->add_pool(peer_cfg, this->pool);
}
if (num)
{ /* initiator */
generate_auth_cfg(this, this->initiator_auth, peer_cfg, TRUE, num);
generate_auth_cfg(this, this->responder_auth, peer_cfg, FALSE, num);
}
else
{ /* responder */
generate_auth_cfg(this, this->responder_auth, peer_cfg, TRUE, num);
generate_auth_cfg(this, this->initiator_auth, peer_cfg, FALSE, num);
}
if (this->mode)
{
if (streq(this->mode, "transport"))
{
child.mode = MODE_TRANSPORT;
}
else if (streq(this->mode, "beet"))
{
child.mode = MODE_BEET;
}
}
child_cfg = child_cfg_create("load-test", &child);
child_cfg->add_proposal(child_cfg, this->esp->clone(this->esp, 0));
if (num)
{ /* initiator */
if (this->vip)
{
add_ts(this, NULL, child_cfg, TRUE, TRUE);
}
else
{
add_ts(this, this->initiator_tsi, child_cfg, TRUE, TRUE);
}
add_ts(this, this->initiator_tsr, child_cfg, FALSE, TRUE);
}
else
{ /* responder */
add_ts(this, this->responder_tsr, child_cfg, TRUE, FALSE);
add_ts(this, this->responder_tsi, child_cfg, FALSE, FALSE);
}
peer_cfg->add_child_cfg(peer_cfg, child_cfg);
return peer_cfg;
}
METHOD(backend_t, create_peer_cfg_enumerator, enumerator_t*,
private_load_tester_config_t *this,
identification_t *me, identification_t *other)
{
return enumerator_create_single(this->peer_cfg, NULL);
}
METHOD(backend_t, create_ike_cfg_enumerator, enumerator_t*,
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);
}
METHOD(backend_t, get_peer_cfg_by_name, peer_cfg_t*,
private_load_tester_config_t *this, char *name)
{
if (streq(name, "load-test"))
{
return generate_config(this, (u_int)ref_get(&this->num));
}
return NULL;
}
METHOD(load_tester_config_t, delete_ip, void,
private_load_tester_config_t *this, host_t *ip)
{
enumerator_t *enumerator;
mem_pool_t *pool;
entry_t *entry;
if (this->keep)
{
return;
}
this->mutex->lock(this->mutex);
entry = this->leases->remove(this->leases, ip);
this->mutex->unlock(this->mutex);
if (entry)
{
enumerator = this->pools->create_enumerator(this->pools);
while (enumerator->enumerate(enumerator, &pool))
{
if (pool->release_address(pool, entry->host, entry->id))
{
charon->kernel->del_ip(charon->kernel, entry->host,
this->prefix, FALSE);
break;
}
}
enumerator->destroy(enumerator);
entry_destroy(entry);
}
}
/**
* Clean up leases for allocated external addresses, if have been kept
*/
static void cleanup_leases(private_load_tester_config_t *this)
{
enumerator_t *pools, *leases;
mem_pool_t *pool;
identification_t *id;
host_t *addr;
entry_t *entry;
bool online;
pools = this->pools->create_enumerator(this->pools);
while (pools->enumerate(pools, &pool))
{
leases = pool->create_lease_enumerator(pool);
while (leases->enumerate(leases, &id, &addr, &online))
{
if (online)
{
charon->kernel->del_ip(charon->kernel, addr, this->prefix,
FALSE);
entry = this->leases->remove(this->leases, addr);
if (entry)
{
entry_destroy(entry);
}
}
}
leases->destroy(leases);
}
pools->destroy(pools);
}
METHOD(load_tester_config_t, destroy, void,
private_load_tester_config_t *this)
{
if (this->keep)
{
cleanup_leases(this);
}
this->mutex->destroy(this->mutex);
this->leases->destroy(this->leases);
this->pools->destroy_offset(this->pools, offsetof(mem_pool_t, destroy));
this->peer_cfg->destroy(this->peer_cfg);
DESTROY_IF(this->proposal);
DESTROY_IF(this->esp);
DESTROY_IF(this->vip);
free(this);
}
/**
* Described in header.
*/
load_tester_config_t *load_tester_config_create()
{
private_load_tester_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,
},
.delete_ip = _delete_ip,
.destroy = _destroy,
},
.pools = linked_list_create(),
.leases = hashtable_create((hashtable_hash_t)hash,
(hashtable_equals_t)equals, 256),
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
.unique_port = UNIQUE_PORT_START,
);
if (lib->settings->get_bool(lib->settings,
"%s.plugins.load-tester.request_virtual_ip", FALSE, lib->ns))
{
this->vip = host_create_from_string("0.0.0.0", 0);
}
this->pool = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.pool", NULL, lib->ns);
this->initiator = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator", "0.0.0.0", lib->ns);
this->responder = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.responder", "127.0.0.1", lib->ns);
this->proposal = proposal_create_from_string(PROTO_IKE,
lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.proposal", "aes128-sha1-modp768",
lib->ns));
if (!this->proposal)
{ /* fallback */
this->proposal = proposal_create_from_string(PROTO_IKE,
"aes128-sha1-modp768");
}
this->esp = proposal_create_from_string(PROTO_ESP,
lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.esp", "aes128-sha1", lib->ns));
if (!this->esp)
{ /* fallback */
this->esp = proposal_create_from_string(PROTO_ESP, "aes128-sha1");
}
this->ike_rekey = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.ike_rekey", 0, lib->ns);
this->child_rekey = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.child_rekey", 600, lib->ns);
this->dpd_delay = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.dpd_delay", 0, lib->ns);
this->dpd_timeout = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.dpd_timeout", 0, lib->ns);
this->initiator_auth = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator_auth", "pubkey", lib->ns);
this->responder_auth = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.responder_auth", "pubkey", lib->ns);
this->initiator_id = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator_id", NULL, lib->ns);
this->initiator_match = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator_match", NULL, lib->ns);
this->responder_id = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.responder_id", NULL, lib->ns);
this->mode = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.mode", NULL, lib->ns);
this->initiator_tsi = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator_tsi", NULL, lib->ns);
this->responder_tsi =lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.responder_tsi",
this->initiator_tsi, lib->ns);
this->initiator_tsr = lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.initiator_tsr", NULL, lib->ns);
this->responder_tsr =lib->settings->get_str(lib->settings,
"%s.plugins.load-tester.responder_tsr",
this->initiator_tsr, lib->ns);
this->port = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.dynamic_port", 0, lib->ns);
this->version = lib->settings->get_int(lib->settings,
"%s.plugins.load-tester.version", IKE_ANY, lib->ns);
load_addrs(this);
this->peer_cfg = generate_config(this, 0);
return &this->public;
}
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