charonservice.c charonservice.h \
kernel/android_ipsec.c kernel/android_ipsec.h \
kernel/android_net.c kernel/android_net.h \
+kernel/network_manager.c kernel/network_manager.h \
vpnservice_builder.c vpnservice_builder.h
# build libandroidbridge -------------------------------------------------------
--- /dev/null
+/*
+ * 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 "network_manager.h"
+
+#include "../android_jni.h"
+#include <debug.h>
+
+typedef struct private_network_manager_t private_network_manager_t;
+
+struct private_network_manager_t {
+
+ /**
+ * Public interface
+ */
+ network_manager_t public;
+
+ /**
+ * Reference to NetworkManager object
+ */
+ jobject obj;
+
+ /**
+ * Java class for NetworkManager
+ */
+ jclass cls;
+};
+
+METHOD(network_manager_t, get_local_address, host_t*,
+ private_network_manager_t *this, bool ipv4)
+{
+ JNIEnv *env;
+ jmethodID method_id;
+ jstring jaddr;
+ char *addr;
+ host_t *host;
+
+ androidjni_attach_thread(&env);
+ method_id = (*env)->GetMethodID(env, this->cls, "getLocalAddress",
+ "(Z)Ljava/lang/String;");
+ if (!method_id)
+ {
+ goto failed;
+ }
+ jaddr = (*env)->CallObjectMethod(env, this->obj, method_id, ipv4);
+ if (!jaddr)
+ {
+ goto failed;
+ }
+ addr = androidjni_convert_jstring(env, jaddr);
+ androidjni_detach_thread();
+ host = host_create_from_string(addr, 0);
+ free(addr);
+ return host;
+
+failed:
+ androidjni_exception_occurred(env);
+ androidjni_detach_thread();
+ return NULL;
+}
+
+METHOD(network_manager_t, destroy, void,
+ private_network_manager_t *this)
+{
+ JNIEnv *env;
+
+ androidjni_attach_thread(&env);
+ if (this->obj)
+ {
+ (*env)->DeleteGlobalRef(env, this->obj);
+ }
+ if (this->cls)
+ {
+ (*env)->DeleteGlobalRef(env, this->cls);
+ }
+ androidjni_detach_thread();
+ free(this);
+}
+
+/*
+ * Described in header.
+ */
+network_manager_t *network_manager_create()
+{
+ private_network_manager_t *this;
+ JNIEnv *env;
+ jmethodID method_id;
+ jobject obj;
+ jclass cls;
+
+ INIT(this,
+ .public = {
+ .get_local_address = _get_local_address,
+ .destroy = _destroy,
+ },
+ );
+
+ androidjni_attach_thread(&env);
+ cls = (*env)->FindClass(env, JNI_PACKAGE_STRING "/NetworkManager");
+ if (!cls)
+ {
+ goto failed;
+ }
+ this->cls = (*env)->NewGlobalRef(env, cls);
+ method_id = (*env)->GetMethodID(env, cls, "<init>",
+ "()V");
+ if (!method_id)
+ {
+ goto failed;
+ }
+ obj = (*env)->NewObject(env, cls, method_id);
+ if (!obj)
+ {
+ goto failed;
+ }
+ this->obj = (*env)->NewGlobalRef(env, obj);
+ androidjni_detach_thread();
+ return &this->public;
+
+failed:
+ DBG1(DBG_KNL, "failed to build NetworkManager object");
+ androidjni_exception_occurred(env);
+ androidjni_detach_thread();
+ destroy(this);
+ return NULL;
+};
--- /dev/null
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup network_manager network_manager
+ * @{ @ingroup kernel_android
+ */
+
+#ifndef NETWORK_MANAGER_H_
+#define NETWORK_MANAGER_H_
+
+#include <jni.h>
+
+#include <library.h>
+#include <utils/host.h>
+
+typedef struct network_manager_t network_manager_t;
+
+/**
+ * NetworkManager, used to retrieve local IP addresses.
+ *
+ * Communicates with NetworkManager via JNI
+ */
+struct network_manager_t {
+
+ /**
+ * Get a local address
+ *
+ * @param ipv4 TRUE to get an IPv4 address
+ * @return the address or NULL if none available
+ */
+ host_t *(*get_local_address)(network_manager_t *this, bool ipv4);
+
+ /**
+ * Destroy a network_manager_t instance
+ */
+ void (*destroy)(network_manager_t *this);
+};
+
+/**
+ * Create a network_manager_t instance
+ *
+ * @return network_manager_t instance
+ */
+network_manager_t *network_manager_create();
+
+#endif /** NETWORK_MANAGER_H_ @}*/
--- /dev/null
+/*
+ * 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.
+ */
+
+package org.strongswan.android.logic;
+
+import java.net.Inet4Address;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.SocketException;
+import java.util.Enumeration;
+
+public class NetworkManager
+{
+ public NetworkManager()
+ {
+ }
+
+ /**
+ * Function that retrieves a local address of the given family.
+ *
+ * @param ipv4 true to return an IPv4 address, false for IPv6
+ * @return string representation of an IPv4 address, or null if none found
+ */
+ public String getLocalAddress(boolean ipv4)
+ {
+ try
+ {
+ Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
+ if (en == null)
+ { /* no interfaces at all */
+ return null;
+ }
+ while (en.hasMoreElements())
+ {
+ NetworkInterface intf = en.nextElement();
+ if (intf.isLoopback() || !intf.isUp() ||
+ intf.getName().startsWith("tun"))
+ {
+ continue;
+ }
+ Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses();
+ while (enumIpAddr.hasMoreElements())
+ {
+ InetAddress inetAddress = enumIpAddr.nextElement();
+ if (inetAddress.isLoopbackAddress())
+ {
+ continue;
+ }
+ if ((ipv4 && inetAddress instanceof Inet4Address) ||
+ (!ipv4 && inetAddress instanceof Inet6Address))
+ {
+ return inetAddress.getHostAddress();
+ }
+ }
+ }
+ }
+ catch (SocketException ex)
+ {
+ ex.printStackTrace();
+ return null;
+ }
+ return null;
+ }
+}