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Code Pull Requests Releases Activity

Added a radattr plugin that prints any received RADIUS notify to console

laforge/swu
Martin Willi 2012-02-27 15:41:53 +01:00
parent f0f94e2ce6
commit caf4b88efc
7 changed files with 312 additions and 0 deletions
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4
configure.in
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@ -191,6 +191,7 @@ ARG_ENABL_SET([certexpire], [enable CSV export of expiration dates of used c
ARG_ENABL_SET([led], [enable plugin to control LEDs on IKEv2 activity using the Linux kernel LED subsystem.])
ARG_ENABL_SET([duplicheck], [advanced duplicate checking plugin using liveness checks.])
ARG_ENABL_SET([coupling], [enable IKEv2 plugin to couple peer certificates permanently to authentication.])
ARG_ENABL_SET([radattr], [enable plugin to inject and process custom RADIUS attributes as IKEv2 client.])
ARG_ENABL_SET([vstr], [enforce using the Vstr string library to replace glibc-like printf hooks.])
ARG_ENABL_SET([monolithic], [build monolithic version of libstrongswan that includes all enabled plugins. Similarly, the plugins of charon are assembled in libcharon.])
@ -887,6 +888,7 @@ ADD_PLUGIN([certexpire], [c libcharon])
ADD_PLUGIN([led], [c libcharon])
ADD_PLUGIN([duplicheck], [c libcharon])
ADD_PLUGIN([coupling], [c libcharon])
ADD_PLUGIN([radattr], [c libcharon])
ADD_PLUGIN([maemo], [c libcharon])
ADD_PLUGIN([uci], [c libcharon])
ADD_PLUGIN([addrblock], [c libcharon])
@ -973,6 +975,7 @@ AM_CONDITIONAL(USE_CERTEXPIRE, test x$certexpire = xtrue)
AM_CONDITIONAL(USE_LED, test x$led = xtrue)
AM_CONDITIONAL(USE_DUPLICHECK, test x$duplicheck = xtrue)
AM_CONDITIONAL(USE_COUPLING, test x$coupling = xtrue)
AM_CONDITIONAL(USE_RADATTR, test x$radattr = xtrue)
AM_CONDITIONAL(USE_EAP_SIM, test x$eap_sim = xtrue)
AM_CONDITIONAL(USE_EAP_SIM_FILE, test x$eap_sim_file = xtrue)
AM_CONDITIONAL(USE_EAP_SIM_PCSC, test x$eap_sim_pcsc = xtrue)
@ -1192,6 +1195,7 @@ AC_OUTPUT(
src/libcharon/plugins/led/Makefile
src/libcharon/plugins/duplicheck/Makefile
src/libcharon/plugins/coupling/Makefile
src/libcharon/plugins/radattr/Makefile
src/libcharon/plugins/android/Makefile
src/libcharon/plugins/maemo/Makefile
src/libcharon/plugins/stroke/Makefile

7
src/libcharon/Makefile.am
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@ -473,6 +473,13 @@ if MONOLITHIC
endif
endif
if USE_RADATTR
SUBDIRS += plugins/radattr
if MONOLITHIC
libcharon_la_LIBADD += plugins/radattr/libstrongswan-radattr.la
endif
endif
if USE_UCI
SUBDIRS += plugins/uci
if MONOLITHIC

17
src/libcharon/plugins/radattr/Makefile.am Normal file
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@ -0,0 +1,17 @@
INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
-I$(top_srcdir)/src/libcharon -I$(top_srcdir)/src/libradius
AM_CFLAGS = -rdynamic
if MONOLITHIC
noinst_LTLIBRARIES = libstrongswan-radattr.la
else
libstrongswan_radattr_la_LIBADD = $(top_builddir)/src/libradius/libradius.la
plugin_LTLIBRARIES = libstrongswan-radattr.la
endif
libstrongswan_radattr_la_SOURCES = radattr_plugin.h radattr_plugin.c \
radattr_listener.h radattr_listener.c
libstrongswan_radattr_la_LDFLAGS = -module -avoid-version

118
src/libcharon/plugins/radattr/radattr_listener.c Normal file
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@ -0,0 +1,118 @@
/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec 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 "radattr_listener.h"
#include <daemon.h>
#include <radius_message.h>
typedef struct private_radattr_listener_t private_radattr_listener_t;
/**
* Private data of an radattr_listener_t object.
*/
struct private_radattr_listener_t {
/**
* Public radattr_listener_t interface.
*/
radattr_listener_t public;
};
/**
* Print RADIUS attributes found in IKE message notifies
*/
static void print_radius_attributes(private_radattr_listener_t *this,
message_t *message)
{
radius_attribute_type_t type;
enumerator_t *enumerator;
notify_payload_t *notify;
payload_t *payload;
chunk_t data;
enumerator = message->create_payload_enumerator(message);
while (enumerator->enumerate(enumerator, &payload))
{
if (payload->get_type(payload) == NOTIFY)
{
notify = (notify_payload_t*)payload;
if (notify->get_notify_type(notify) == RADIUS_ATTRIBUTE)
{
data = notify->get_notification_data(notify);
if (data.len >= 2)
{
type = data.ptr[0];
data = chunk_skip(data, 2);
if (chunk_printable(data, NULL, 0))
{
DBG1(DBG_IKE, "received RADIUS %N: %.*s",
radius_attribute_type_names, type,
(int)data.len, data.ptr);
}
else
{
DBG1(DBG_IKE, "received RADIUS %N: %#B",
radius_attribute_type_names, type, &data);
}
}
}
}
}
enumerator->destroy(enumerator);
}
METHOD(listener_t, message, bool,
private_radattr_listener_t *this,
ike_sa_t *ike_sa, message_t *message, bool incoming)
{
if (ike_sa->supports_extension(ike_sa, EXT_STRONGSWAN) &&
message->get_exchange_type(message) == IKE_AUTH)
{
if (incoming)
{
print_radius_attributes(this, message);
}
}
return TRUE;
}
METHOD(radattr_listener_t, destroy, void,
private_radattr_listener_t *this)
{
free(this);
}
/**
* See header
*/
radattr_listener_t *radattr_listener_create()
{
private_radattr_listener_t *this;
INIT(this,
.public = {
.listener = {
.message = _message,
},
.destroy = _destroy,
},
);
return &this->public;
}

49
src/libcharon/plugins/radattr/radattr_listener.h Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec 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 radattr_listener radattr_listener
* @{ @ingroup
*/
#ifndef RADATTR_LISTENER_H_
#define RADATTR_LISTENER_H_
#include <bus/listeners/listener.h>
typedef struct radattr_listener_t radattr_listener_t;
/**
* Output received RADIUS attributes, inject custom attributes.
*/
struct radattr_listener_t {
/**
* Implements a listener.
*/
listener_t listener;
/**
* Destroy a radattr_listener_t.
*/
void (*destroy)(radattr_listener_t *this);
};
/**
* Create a radattr_listener instance.
*/
radattr_listener_t *radattr_listener_create();
#endif /** RADATTR_LISTENER_H_ @}*/

75
src/libcharon/plugins/radattr/radattr_plugin.c Normal file
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@ -0,0 +1,75 @@
/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec 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 "radattr_plugin.h"
#include "radattr_listener.h"
#include <daemon.h>
typedef struct private_radattr_plugin_t private_radattr_plugin_t;
/**
* private data of radattr plugin
*/
struct private_radattr_plugin_t {
/**
* implements plugin interface
*/
radattr_plugin_t public;
/**
* Listener acting on messages
*/
radattr_listener_t *listener;
};
METHOD(plugin_t, get_name, char*,
private_radattr_plugin_t *this)
{
return "radattr";
}
METHOD(plugin_t, destroy, void,
private_radattr_plugin_t *this)
{
charon->bus->remove_listener(charon->bus, &this->listener->listener);
this->listener->destroy(this->listener);
free(this);
}
/**
* Plugin constructor
*/
plugin_t *radattr_plugin_create()
{
private_radattr_plugin_t *this;
INIT(this,
.public = {
.plugin = {
.get_name = _get_name,
.reload = (void*)return_false,
.destroy = _destroy,
},
},
.listener = radattr_listener_create(),
);
charon->bus->add_listener(charon->bus, &this->listener->listener);
return &this->public.plugin;
}

42
src/libcharon/plugins/radattr/radattr_plugin.h Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (C) 2012 Martin Willi
* Copyright (C) 2012 revosec 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 radattr radattr
* @ingroup cplugins
*
* @defgroup radattr_plugin radattr_plugin
* @{ @ingroup radattr
*/
#ifndef RADATTR_PLUGIN_H_
#define RADATTR_PLUGIN_H_
#include <plugins/plugin.h>
typedef struct radattr_plugin_t radattr_plugin_t;
/**
* Plugin to inject/process custom RADIUS attributes.
*/
struct radattr_plugin_t {
/**
* implements plugin interface
*/
plugin_t plugin;
};
#endif /** RADATTR_PLUGIN_H_ @}*/