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led: Remove unused plugin

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This was originally developed for a custom device.  No known users for
years.
This commit is contained in:
Tobias Brunner
2026-07-24 15:20:24 +02:00
parent 8b2e60b62b
commit 9f6273786e
9 changed files with 0 additions and 469 deletions
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conf/Makefile.am
-1
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@@ -70,7 +70,6 @@ plugins = \
plugins/imv-swima.opt \
plugins/imv-test.opt \
plugins/ipseckey.opt \
plugins/led.opt \
plugins/kernel-libipsec.opt \
plugins/kernel-netlink.opt \
plugins/kernel-pfkey.opt \
conf/plugins/led.opt
-3
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@@ -1,3 +0,0 @@
charon.plugins.led.activity_led =
charon.plugins.led.blink_time = 50
configure.ac
-4
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@@ -270,7 +270,6 @@ ARG_ENABL_SET([forecast], [enable forecast plugin forwarding broadcast/mul
ARG_ENABL_SET([error-notify], [enable error notification plugin.])
ARG_ENABL_SET([farp], [enable ARP faking plugin that responds to ARP requests to peers virtual IP])
ARG_ENABL_SET([ha], [enable high availability cluster plugin.])
ARG_ENABL_SET([led], [enable plugin to control LEDs on IKEv2 activity using the Linux kernel LED subsystem.])
ARG_ENABL_SET([load-tester], [enable load testing plugin for IKEv2 daemon.])
ARG_ENABL_SET([lookip], [enable fast virtual IP lookup and notification plugin.])
ARG_ENABL_SET([radattr], [enable plugin to inject and process custom RADIUS attributes as IKEv2 client.])
@@ -1612,7 +1611,6 @@ ADD_PLUGIN([lookip], [c charon])
ADD_PLUGIN([error-notify], [c charon])
ADD_PLUGIN([certexpire], [c charon])
ADD_PLUGIN([systime-fix], [c charon])
ADD_PLUGIN([led], [c charon])
ADD_PLUGIN([coupling], [c charon])
ADD_PLUGIN([radattr], [c charon])
ADD_PLUGIN([addrblock], [c charon])
@@ -1727,7 +1725,6 @@ AM_CONDITIONAL(USE_LOOKIP, test x$lookip = xtrue)
AM_CONDITIONAL(USE_ERROR_NOTIFY, test x$error_notify = xtrue)
AM_CONDITIONAL(USE_CERTEXPIRE, test x$certexpire = xtrue)
AM_CONDITIONAL(USE_SYSTIME_FIX, test x$systime_fix = xtrue)
AM_CONDITIONAL(USE_LED, test x$led = xtrue)
AM_CONDITIONAL(USE_COUPLING, test x$coupling = xtrue)
AM_CONDITIONAL(USE_RADATTR, test x$radattr = xtrue)
AM_CONDITIONAL(USE_EAP_SIM, test x$eap_sim = xtrue)
@@ -2074,7 +2071,6 @@ AC_CONFIG_FILES([
src/libcharon/plugins/error_notify/Makefile
src/libcharon/plugins/certexpire/Makefile
src/libcharon/plugins/systime_fix/Makefile
src/libcharon/plugins/led/Makefile
src/libcharon/plugins/coupling/Makefile
src/libcharon/plugins/radattr/Makefile
src/libcharon/plugins/osx_attr/Makefile
src/libcharon/Makefile.am
-7
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@@ -614,13 +614,6 @@ if MONOLITHIC
endif
endif
if USE_LED
SUBDIRS += plugins/led
if MONOLITHIC
libcharon_la_LIBADD += plugins/led/libstrongswan-led.la
endif
endif
if USE_COUPLING
SUBDIRS += plugins/coupling
if MONOLITHIC
src/libcharon/plugins/led/Makefile.am
-17
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@@ -1,17 +0,0 @@
AM_CPPFLAGS = \
-I$(top_srcdir)/src/libstrongswan \
-I$(top_srcdir)/src/libcharon
AM_CFLAGS = \
$(PLUGIN_CFLAGS)
if MONOLITHIC
noinst_LTLIBRARIES = libstrongswan-led.la
else
plugin_LTLIBRARIES = libstrongswan-led.la
endif
libstrongswan_led_la_SOURCES = led_plugin.h led_plugin.c \
led_listener.h led_listener.c
libstrongswan_led_la_LDFLAGS = -module -avoid-version
src/libcharon/plugins/led/led_listener.c
-243
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@@ -1,243 +0,0 @@
/*
* Copyright (C) 2010 Martin Willi
*
* Copyright (C) secunet Security Networks AG
*
* 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 "led_listener.h"
#include <errno.h>
#include <daemon.h>
#include <threading/mutex.h>
#include <processing/jobs/callback_job.h>
typedef struct private_led_listener_t private_led_listener_t;
/**
* Private data of an led_listener_t object.
*/
struct private_led_listener_t {
/**
* Public led_listener_t interface.
*/
led_listener_t public;
/**
* Mutex
*/
mutex_t *mutex;
/**
* Number of established IKE_SAs
*/
int count;
/**
* LED blink on/off time, in ms
*/
int blink_time;
/**
* Activity LED fd, if any
*/
FILE *activity;
/**
* Activity LED maximum brightness
*/
int activity_max;
};
/**
* Open a LED brightness control file, get max brightness
*/
static FILE *open_led(char *name, int *max_brightness)
{
char path[PATH_MAX];
FILE *f;
if (!name)
{
return NULL;
}
*max_brightness = 1;
snprintf(path, sizeof(path), "/sys/class/leds/%s/max_brightness", name);
f = fopen(path, "r");
if (f)
{
if (fscanf(f, "%d\n", max_brightness) != 1)
{
DBG1(DBG_CFG, "reading max brightness for '%s' failed: %s, using 1",
name, strerror(errno));
}
fclose(f);
}
else
{
DBG1(DBG_CFG, "reading max_brightness for '%s' failed: %s, using 1",
name, strerror(errno));
}
snprintf(path, sizeof(path), "/sys/class/leds/%s/brightness", name);
f = fopen(path, "w");
if (!f)
{
DBG1(DBG_CFG, "opening LED file '%s' failed: %s", path, strerror(errno));
}
return f;
}
/**
* Set a LED to a given brightness
*/
static void set_led(FILE *led, int brightness)
{
if (led)
{
if (fprintf(led, "%d\n", brightness) <= 0 ||
fflush(led) != 0)
{
DBG1(DBG_CFG, "setting LED brightness failed: %s", strerror(errno));
}
}
}
/**
* Plugin unloaded?
*/
static bool plugin_gone = FALSE;
/**
* Reset activity LED after timeout
*/
static job_requeue_t reset_activity_led(private_led_listener_t *this)
{
if (!plugin_gone)
{ /* TODO: fix race */
this->mutex->lock(this->mutex);
if (this->count)
{
set_led(this->activity, this->activity_max);
}
else
{
set_led(this->activity, 0);
}
this->mutex->unlock(this->mutex);
}
return JOB_REQUEUE_NONE;
}
/**
* Blink the activity LED
*/
static void blink_activity(private_led_listener_t *this)
{
if (this->activity)
{
this->mutex->lock(this->mutex);
if (this->count)
{
set_led(this->activity, 0);
}
else
{
set_led(this->activity, this->activity_max);
}
lib->scheduler->schedule_job_ms(lib->scheduler, (job_t*)
callback_job_create_with_prio((callback_job_cb_t)reset_activity_led,
this, NULL, NULL, JOB_PRIO_CRITICAL), this->blink_time);
this->mutex->unlock(this->mutex);
}
}
METHOD(listener_t, ike_state_change, bool,
private_led_listener_t *this, ike_sa_t *ike_sa, ike_sa_state_t state)
{
this->mutex->lock(this->mutex);
if (state == IKE_ESTABLISHED && ike_sa->get_state(ike_sa) != IKE_ESTABLISHED)
{
this->count++;
if (this->count == 1)
{
set_led(this->activity, this->activity_max);
}
}
if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED && state != IKE_ESTABLISHED)
{
this->count--;
if (this->count == 0)
{
set_led(this->activity, 0);
}
}
this->mutex->unlock(this->mutex);
return TRUE;
}
METHOD(listener_t, message_hook, bool,
private_led_listener_t *this, ike_sa_t *ike_sa,
message_t *message, bool incoming, bool plain)
{
if (plain && (incoming || message->get_request(message)))
{
blink_activity(this);
}
return TRUE;
}
METHOD(led_listener_t, destroy, void,
private_led_listener_t *this)
{
this->mutex->lock(this->mutex);
set_led(this->activity, 0);
plugin_gone = TRUE;
this->mutex->unlock(this->mutex);
if (this->activity)
{
fclose(this->activity);
}
this->mutex->destroy(this->mutex);
free(this);
}
/**
* See header
*/
led_listener_t *led_listener_create()
{
private_led_listener_t *this;
INIT(this,
.public = {
.listener = {
.ike_state_change = _ike_state_change,
.message = _message_hook,
},
.destroy = _destroy,
},
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
.blink_time = lib->settings->get_int(lib->settings,
"%s.plugins.led.blink_time", 50, lib->ns),
);
this->activity = open_led(lib->settings->get_str(lib->settings,
"%s.plugins.led.activity_led", NULL, lib->ns),
&this->activity_max);
set_led(this->activity, 0);
return &this->public;
}
src/libcharon/plugins/led/led_listener.h
-50
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@@ -1,50 +0,0 @@
/*
* Copyright (C) 2010 Martin Willi
*
* Copyright (C) secunet Security Networks AG
*
* 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.
*/
/**
* @defgroup led_listener led_listener
* @{ @ingroup led
*/
#ifndef LED_LISTENER_H_
#define LED_LISTENER_H_
#include <bus/listeners/listener.h>
typedef struct led_listener_t led_listener_t;
/**
* Listener that controls LEDs based on IKEv2 activity/state.
*/
struct led_listener_t {
/**
* Implements listener_t interface.
*/
listener_t listener;
/**
* Destroy a led_listener_t.
*/
void (*destroy)(led_listener_t *this);
};
/**
* Create a led_listener instance.
*/
led_listener_t *led_listener_create();
#endif /** LED_LISTENER_H_ @}*/
src/libcharon/plugins/led/led_plugin.c
-101
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@@ -1,101 +0,0 @@
/*
* Copyright (C) 2010 Martin Willi
*
* Copyright (C) secunet Security Networks AG
*
* 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 "led_plugin.h"
#include "led_listener.h"
#include <daemon.h>
typedef struct private_led_plugin_t private_led_plugin_t;
/**
* private data of led plugin
*/
struct private_led_plugin_t {
/**
* implements plugin interface
*/
led_plugin_t public;
/**
* Listener controlling LEDs
*/
led_listener_t *listener;
};
METHOD(plugin_t, get_name, char*,
private_led_plugin_t *this)
{
return "led";
}
/**
* Register listener
*/
static bool plugin_cb(private_led_plugin_t *this,
plugin_feature_t *feature, bool reg, void *cb_data)
{
if (reg)
{
charon->bus->add_listener(charon->bus, &this->listener->listener);
}
else
{
charon->bus->remove_listener(charon->bus, &this->listener->listener);
}
return TRUE;
}
METHOD(plugin_t, get_features, int,
private_led_plugin_t *this, plugin_feature_t *features[])
{
static plugin_feature_t f[] = {
PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
PLUGIN_PROVIDE(CUSTOM, "led"),
};
*features = f;
return countof(f);
}
METHOD(plugin_t, destroy, void,
private_led_plugin_t *this)
{
this->listener->destroy(this->listener);
free(this);
}
/**
* Plugin constructor
*/
PLUGIN_DEFINE(led)
{
private_led_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.get_features = _get_features,
.destroy = _destroy,
},
},
.listener = led_listener_create(),
);
return &this->public.plugin;
}
src/libcharon/plugins/led/led_plugin.h
-43
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@@ -1,43 +0,0 @@
/*
* Copyright (C) 2010 Martin Willi
*
* Copyright (C) secunet Security Networks AG
*
* 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.
*/
/**
* @defgroup led led
* @ingroup cplugins
*
* @defgroup led_plugin led_plugin
* @{ @ingroup led
*/
#ifndef LED_PLUGIN_H_
#define LED_PLUGIN_H_
#include <plugins/plugin.h>
typedef struct led_plugin_t led_plugin_t;
/**
* Linux LED control based on IKE activity/state.
*/
struct led_plugin_t {
/**
* implements plugin interface
*/
plugin_t plugin;
};
#endif /** LED_PLUGIN_H_ @}*/