Moving charon to libcharon.
This commit is contained in:
Tobias Brunner
@@ -0,0 +1,491 @@
|
||||
/*
|
||||
* 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 "stroke_control.h"
|
||||
|
||||
#include <daemon.h>
|
||||
#include <processing/jobs/delete_ike_sa_job.h>
|
||||
|
||||
typedef struct private_stroke_control_t private_stroke_control_t;
|
||||
|
||||
/**
|
||||
* private data of stroke_control
|
||||
*/
|
||||
struct private_stroke_control_t {
|
||||
|
||||
/**
|
||||
* public functions
|
||||
*/
|
||||
stroke_control_t public;
|
||||
};
|
||||
|
||||
|
||||
typedef struct stroke_log_info_t stroke_log_info_t;
|
||||
|
||||
/**
|
||||
* helper struct to say what and where to log when using controller callback
|
||||
*/
|
||||
struct stroke_log_info_t {
|
||||
|
||||
/**
|
||||
* level to log up to
|
||||
*/
|
||||
level_t level;
|
||||
|
||||
/**
|
||||
* where to write log
|
||||
*/
|
||||
FILE* out;
|
||||
};
|
||||
|
||||
/**
|
||||
* logging to the stroke interface
|
||||
*/
|
||||
static bool stroke_log(stroke_log_info_t *info, debug_t group, level_t level,
|
||||
ike_sa_t *ike_sa, char *format, va_list args)
|
||||
{
|
||||
if (level <= info->level)
|
||||
{
|
||||
if (vfprintf(info->out, format, args) < 0 ||
|
||||
fprintf(info->out, "\n") < 0 ||
|
||||
fflush(info->out) != 0)
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/**
|
||||
* get the child_cfg with the same name as the peer cfg
|
||||
*/
|
||||
static child_cfg_t* get_child_from_peer(peer_cfg_t *peer_cfg, char *name)
|
||||
{
|
||||
child_cfg_t *current, *found = NULL;
|
||||
enumerator_t *enumerator;
|
||||
|
||||
enumerator = peer_cfg->create_child_cfg_enumerator(peer_cfg);
|
||||
while (enumerator->enumerate(enumerator, ¤t))
|
||||
{
|
||||
if (streq(current->get_name(current), name))
|
||||
{
|
||||
found = current;
|
||||
found->get_ref(found);
|
||||
break;
|
||||
}
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
return found;
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.initiate.
|
||||
*/
|
||||
static void initiate(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
peer_cfg_t *peer_cfg;
|
||||
child_cfg_t *child_cfg;
|
||||
stroke_log_info_t info;
|
||||
|
||||
peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
|
||||
msg->initiate.name);
|
||||
if (peer_cfg == NULL)
|
||||
{
|
||||
DBG1(DBG_CFG, "no config named '%s'\n", msg->initiate.name);
|
||||
return;
|
||||
}
|
||||
if (peer_cfg->get_ike_version(peer_cfg) != 2)
|
||||
{
|
||||
DBG1(DBG_CFG, "ignoring initiation request for IKEv%d config",
|
||||
peer_cfg->get_ike_version(peer_cfg));
|
||||
peer_cfg->destroy(peer_cfg);
|
||||
return;
|
||||
}
|
||||
|
||||
child_cfg = get_child_from_peer(peer_cfg, msg->initiate.name);
|
||||
if (child_cfg == NULL)
|
||||
{
|
||||
DBG1(DBG_CFG, "no child config named '%s'\n", msg->initiate.name);
|
||||
peer_cfg->destroy(peer_cfg);
|
||||
return;
|
||||
}
|
||||
|
||||
if (msg->output_verbosity < 0)
|
||||
{
|
||||
charon->controller->initiate(charon->controller, peer_cfg, child_cfg,
|
||||
NULL, NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
info.out = out;
|
||||
info.level = msg->output_verbosity;
|
||||
charon->controller->initiate(charon->controller, peer_cfg, child_cfg,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.terminate.
|
||||
*/
|
||||
static void terminate(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
char *string, *pos = NULL, *name = NULL;
|
||||
u_int32_t id = 0;
|
||||
bool child, all = FALSE;
|
||||
int len;
|
||||
ike_sa_t *ike_sa;
|
||||
enumerator_t *enumerator;
|
||||
linked_list_t *ike_list, *child_list;
|
||||
stroke_log_info_t info;
|
||||
uintptr_t del;
|
||||
|
||||
string = msg->terminate.name;
|
||||
|
||||
len = strlen(string);
|
||||
if (len < 1)
|
||||
{
|
||||
DBG1(DBG_CFG, "error parsing string");
|
||||
return;
|
||||
}
|
||||
switch (string[len-1])
|
||||
{
|
||||
case '}':
|
||||
child = TRUE;
|
||||
pos = strchr(string, '{');
|
||||
break;
|
||||
case ']':
|
||||
child = FALSE;
|
||||
pos = strchr(string, '[');
|
||||
break;
|
||||
default:
|
||||
name = string;
|
||||
child = FALSE;
|
||||
break;
|
||||
}
|
||||
|
||||
if (name)
|
||||
{
|
||||
/* is a single name */
|
||||
}
|
||||
else if (pos == string + len - 2)
|
||||
{ /* is name[] or name{} */
|
||||
string[len-2] = '\0';
|
||||
name = string;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (*(pos + 1) == '*')
|
||||
{ /* is name[*] */
|
||||
all = TRUE;
|
||||
*pos = '\0';
|
||||
name = string;
|
||||
}
|
||||
else
|
||||
{ /* is name[123] or name{23} */
|
||||
id = atoi(pos + 1);
|
||||
if (id == 0)
|
||||
{
|
||||
DBG1(DBG_CFG, "error parsing string");
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
info.out = out;
|
||||
info.level = msg->output_verbosity;
|
||||
|
||||
if (id)
|
||||
{
|
||||
if (child)
|
||||
{
|
||||
charon->controller->terminate_child(charon->controller, id,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
else
|
||||
{
|
||||
charon->controller->terminate_ike(charon->controller, id,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
ike_list = linked_list_create();
|
||||
child_list = linked_list_create();
|
||||
enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
|
||||
while (enumerator->enumerate(enumerator, &ike_sa))
|
||||
{
|
||||
child_sa_t *child_sa;
|
||||
iterator_t *children;
|
||||
|
||||
if (child)
|
||||
{
|
||||
children = ike_sa->create_child_sa_iterator(ike_sa);
|
||||
while (children->iterate(children, (void**)&child_sa))
|
||||
{
|
||||
if (streq(name, child_sa->get_name(child_sa)))
|
||||
{
|
||||
child_list->insert_last(child_list,
|
||||
(void*)(uintptr_t)child_sa->get_reqid(child_sa));
|
||||
if (!all)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
children->destroy(children);
|
||||
if (child_list->get_count(child_list) && !all)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (streq(name, ike_sa->get_name(ike_sa)))
|
||||
{
|
||||
ike_list->insert_last(ike_list,
|
||||
(void*)(uintptr_t)ike_sa->get_unique_id(ike_sa));
|
||||
if (!all)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
|
||||
enumerator = child_list->create_enumerator(child_list);
|
||||
while (enumerator->enumerate(enumerator, &del))
|
||||
{
|
||||
charon->controller->terminate_child(charon->controller, del,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
|
||||
enumerator = ike_list->create_enumerator(ike_list);
|
||||
while (enumerator->enumerate(enumerator, &del))
|
||||
{
|
||||
charon->controller->terminate_ike(charon->controller, del,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
|
||||
if (child_list->get_count(child_list) == 0 &&
|
||||
ike_list->get_count(ike_list) == 0)
|
||||
{
|
||||
DBG1(DBG_CFG, "no %s_SA named '%s' found",
|
||||
child ? "CHILD" : "IKE", name);
|
||||
}
|
||||
ike_list->destroy(ike_list);
|
||||
child_list->destroy(child_list);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.terminate_srcip.
|
||||
*/
|
||||
static void terminate_srcip(private_stroke_control_t *this,
|
||||
stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
enumerator_t *enumerator;
|
||||
ike_sa_t *ike_sa;
|
||||
host_t *start = NULL, *end = NULL, *vip;
|
||||
chunk_t chunk_start, chunk_end = chunk_empty, chunk_vip;
|
||||
|
||||
if (msg->terminate_srcip.start)
|
||||
{
|
||||
start = host_create_from_string(msg->terminate_srcip.start, 0);
|
||||
}
|
||||
if (!start)
|
||||
{
|
||||
DBG1(DBG_CFG, "invalid start address: %s", msg->terminate_srcip.start);
|
||||
return;
|
||||
}
|
||||
chunk_start = start->get_address(start);
|
||||
if (msg->terminate_srcip.end)
|
||||
{
|
||||
end = host_create_from_string(msg->terminate_srcip.end, 0);
|
||||
if (!end)
|
||||
{
|
||||
DBG1(DBG_CFG, "invalid end address: %s", msg->terminate_srcip.end);
|
||||
start->destroy(start);
|
||||
return;
|
||||
}
|
||||
chunk_end = end->get_address(end);
|
||||
}
|
||||
|
||||
enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
|
||||
while (enumerator->enumerate(enumerator, &ike_sa))
|
||||
{
|
||||
vip = ike_sa->get_virtual_ip(ike_sa, FALSE);
|
||||
if (!vip)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
if (!end)
|
||||
{
|
||||
if (!vip->ip_equals(vip, start))
|
||||
{
|
||||
continue;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
chunk_vip = vip->get_address(vip);
|
||||
if (chunk_vip.len != chunk_start.len ||
|
||||
chunk_vip.len != chunk_end.len ||
|
||||
memcmp(chunk_vip.ptr, chunk_start.ptr, chunk_vip.len) < 0 ||
|
||||
memcmp(chunk_vip.ptr, chunk_end.ptr, chunk_vip.len) > 0)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
/* schedule delete asynchronously */
|
||||
charon->processor->queue_job(charon->processor, (job_t*)
|
||||
delete_ike_sa_job_create(ike_sa->get_id(ike_sa), TRUE));
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
start->destroy(start);
|
||||
DESTROY_IF(end);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.purge_ike
|
||||
*/
|
||||
static void purge_ike(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
enumerator_t *enumerator;
|
||||
iterator_t *iterator;
|
||||
ike_sa_t *ike_sa;
|
||||
child_sa_t *child_sa;
|
||||
linked_list_t *list;
|
||||
uintptr_t del;
|
||||
stroke_log_info_t info;
|
||||
|
||||
info.out = out;
|
||||
info.level = msg->output_verbosity;
|
||||
|
||||
list = linked_list_create();
|
||||
enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
|
||||
while (enumerator->enumerate(enumerator, &ike_sa))
|
||||
{
|
||||
iterator = ike_sa->create_child_sa_iterator(ike_sa);
|
||||
if (!iterator->iterate(iterator, (void**)&child_sa))
|
||||
{
|
||||
list->insert_last(list,
|
||||
(void*)(uintptr_t)ike_sa->get_unique_id(ike_sa));
|
||||
}
|
||||
iterator->destroy(iterator);
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
|
||||
enumerator = list->create_enumerator(list);
|
||||
while (enumerator->enumerate(enumerator, &del))
|
||||
{
|
||||
charon->controller->terminate_ike(charon->controller, del,
|
||||
(controller_cb_t)stroke_log, &info);
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
list->destroy(list);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.route.
|
||||
*/
|
||||
static void route(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
peer_cfg_t *peer_cfg;
|
||||
child_cfg_t *child_cfg;
|
||||
|
||||
peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
|
||||
msg->route.name);
|
||||
if (peer_cfg == NULL)
|
||||
{
|
||||
fprintf(out, "no config named '%s'\n", msg->route.name);
|
||||
return;
|
||||
}
|
||||
if (peer_cfg->get_ike_version(peer_cfg) != 2)
|
||||
{
|
||||
peer_cfg->destroy(peer_cfg);
|
||||
return;
|
||||
}
|
||||
|
||||
child_cfg = get_child_from_peer(peer_cfg, msg->route.name);
|
||||
if (child_cfg == NULL)
|
||||
{
|
||||
fprintf(out, "no child config named '%s'\n", msg->route.name);
|
||||
peer_cfg->destroy(peer_cfg);
|
||||
return;
|
||||
}
|
||||
|
||||
if (charon->traps->install(charon->traps, peer_cfg, child_cfg))
|
||||
{
|
||||
fprintf(out, "configuration '%s' routed\n", msg->route.name);
|
||||
}
|
||||
else
|
||||
{
|
||||
fprintf(out, "routing configuration '%s' failed\n", msg->route.name);
|
||||
}
|
||||
peer_cfg->destroy(peer_cfg);
|
||||
child_cfg->destroy(child_cfg);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.unroute.
|
||||
*/
|
||||
static void unroute(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
|
||||
{
|
||||
child_sa_t *child_sa;
|
||||
enumerator_t *enumerator;
|
||||
u_int32_t id;
|
||||
|
||||
enumerator = charon->traps->create_enumerator(charon->traps);
|
||||
while (enumerator->enumerate(enumerator, NULL, &child_sa))
|
||||
{
|
||||
if (streq(msg->unroute.name, child_sa->get_name(child_sa)))
|
||||
{
|
||||
id = child_sa->get_reqid(child_sa);
|
||||
enumerator->destroy(enumerator);
|
||||
charon->traps->uninstall(charon->traps, id);
|
||||
fprintf(out, "configuration '%s' unrouted\n", msg->unroute.name);
|
||||
return;
|
||||
}
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
fprintf(out, "configuration '%s' not found\n", msg->unroute.name);
|
||||
}
|
||||
|
||||
/**
|
||||
* Implementation of stroke_control_t.destroy
|
||||
*/
|
||||
static void destroy(private_stroke_control_t *this)
|
||||
{
|
||||
free(this);
|
||||
}
|
||||
|
||||
/*
|
||||
* see header file
|
||||
*/
|
||||
stroke_control_t *stroke_control_create()
|
||||
{
|
||||
private_stroke_control_t *this = malloc_thing(private_stroke_control_t);
|
||||
|
||||
this->public.initiate = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))initiate;
|
||||
this->public.terminate = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))terminate;
|
||||
this->public.terminate_srcip = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))terminate_srcip;
|
||||
this->public.purge_ike = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))purge_ike;
|
||||
this->public.route = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))route;
|
||||
this->public.unroute = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))unroute;
|
||||
this->public.destroy = (void(*)(stroke_control_t*))destroy;
|
||||
|
||||
return &this->public;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user