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/*
* Copyright (C) 2012 Giuliano Grassi
* Copyright (C) 2012 Ralf Sager
* Copyright (C) 2012 Tobias Brunner
* 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 <string.h>
#include <android/log.h>
#include "charonservice.h"
#include "android_jni.h"
#include <daemon.h>
#include <hydra.h>
#include <ipsec.h>
#include <library.h>
#define ANDROID_DEBUG_LEVEL 1
typedef struct private_charonservice_t private_charonservice_t;
/**
* private data of charonservice
*/
struct private_charonservice_t {
/**
* public interface
*/
charonservice_t public;
};
/**
* Single instance of charonservice_t.
*/
charonservice_t *charonservice;
/**
* hook in library for debugging messages
*/
extern void (*dbg)(debug_t group, level_t level, char *fmt, ...);
/**
* Logging hook for library logs, using android specific logging
*/
static void dbg_android(debug_t group, level_t level, char *fmt, ...)
{
va_list args;
if (level <= ANDROID_DEBUG_LEVEL)
{
char sgroup[16], buffer[8192];
char *current = buffer, *next;
snprintf(sgroup, sizeof(sgroup), "%N", debug_names, group);
va_start(args, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, args);
va_end(args);
while (current)
{ /* log each line separately */
next = strchr(current, '\n');
if (next)
{
*(next++) = '\0';
}
__android_log_print(ANDROID_LOG_INFO, "charon", "00[%s] %s\n",
sgroup, current);
current = next;
}
}
}
/**
* Initialize the charonservice object
*/
static void charonservice_init()
{
private_charonservice_t *this;
INIT(this,
.public = {
},
);
charonservice = &this->public;
lib->settings->set_int(lib->settings,
"charon.plugins.android_log.loglevel", ANDROID_DEBUG_LEVEL);
}
/**
* Deinitialize the charonservice object
*/
static void charonservice_deinit()
{
private_charonservice_t *this = (private_charonservice_t*)charonservice;
free(this);
charonservice = NULL;
}
/**
* Initialize charon and the libraries via JNI
*/
JNI_METHOD(CharonVpnService, initializeCharon, void)
{
/* logging for library during initialization, as we have no bus yet */
dbg = dbg_android;
/* initialize library */
if (!library_init(NULL))
{
library_deinit();
return;
}
if (!libhydra_init("charon"))
{
libhydra_deinit();
library_deinit();
return;
}
if (!libipsec_init())
{
libipsec_deinit();
libhydra_deinit();
library_deinit();
return;
}
charonservice_init();
if (!libcharon_init("charon") ||
!charon->initialize(charon, PLUGINS))
{
libcharon_deinit();
charonservice_deinit();
libipsec_deinit();
libhydra_deinit();
library_deinit();
return;
}
/* start daemon (i.e. the threads in the thread-pool) */
charon->start(charon);
}
/**
* Deinitialize charon and all libraries
*/
JNI_METHOD(CharonVpnService, deinitializeCharon, void)
{
libcharon_deinit();
charonservice_deinit();
libipsec_deinit();
libhydra_deinit();
library_deinit();
}
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