Charon logs to a file in the App's data directory
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4308ce1cf7
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@ -19,6 +19,7 @@
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#include <string.h>
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#include <sys/utsname.h>
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#include <android/log.h>
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#include <errno.h>
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#include "charonservice.h"
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#include "android_jni.h"
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@ -117,6 +118,35 @@ static void dbg_android(debug_t group, level_t level, char *fmt, ...)
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}
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}
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/**
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* Initialize file logger
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*/
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static void initialize_logger(char *logfile)
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{
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file_logger_t *file_logger;
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debug_t group;
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FILE *file;
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/* truncate an existing file */
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file = fopen(logfile, "w");
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if (!file)
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{
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DBG1(DBG_DMN, "opening file %s for logging failed: %s",
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logfile, strerror(errno));
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return;
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}
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/* flush each line */
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setlinebuf(file);
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file_logger = file_logger_create(file, "%b %e %T", FALSE);
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for (group = 0; group < DBG_MAX; group++)
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{
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file_logger->set_level(file_logger, group, ANDROID_DEBUG_LEVEL);
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}
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charon->file_loggers->insert_last(charon->file_loggers, file_logger);
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charon->bus->add_logger(charon->bus, &file_logger->logger);
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}
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METHOD(charonservice_t, update_status, bool,
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private_charonservice_t *this, android_vpn_state_t code)
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{
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@ -353,10 +383,11 @@ static void segv_handler(int signal)
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* Initialize charon and the libraries via JNI
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*/
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JNI_METHOD(CharonVpnService, initializeCharon, void,
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jobject builder)
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jobject builder, jstring jlogfile)
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{
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struct sigaction action;
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struct utsname utsname;
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char *logfile;
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/* logging for library during initialization, as we have no bus yet */
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dbg = dbg_android;
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@ -392,6 +423,10 @@ JNI_METHOD(CharonVpnService, initializeCharon, void,
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return;
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}
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logfile = androidjni_convert_jstring(env, jlogfile);
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initialize_logger(logfile);
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free(logfile);
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charonservice_init(env, this, builder);
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if (uname(&utsname) != 0)
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@ -17,6 +17,7 @@
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package org.strongswan.android.logic;
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import java.io.File;
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import java.net.InetAddress;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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@ -46,6 +47,9 @@ import android.util.Log;
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public class CharonVpnService extends VpnService implements Runnable
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{
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private static final String TAG = CharonVpnService.class.getSimpleName();
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public static final String LOG_FILE = "charon.log";
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private String mLogFile;
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private VpnProfileDataSource mDataSource;
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private Thread mConnectionHandler;
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private VpnProfile mCurrentProfile;
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@ -113,6 +117,8 @@ public class CharonVpnService extends VpnService implements Runnable
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@Override
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public void onCreate()
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{
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mLogFile = getFilesDir().getAbsolutePath() + File.separator + LOG_FILE;
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mDataSource = new VpnProfileDataSource(this);
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mDataSource.open();
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/* use a separate thread as main thread for charon */
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@ -204,7 +210,7 @@ public class CharonVpnService extends VpnService implements Runnable
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mIsDisconnecting = false;
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BuilderAdapter builder = new BuilderAdapter(mCurrentProfile.getName());
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initializeCharon(builder);
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initializeCharon(builder, mLogFile);
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Log.i(TAG, "charon started");
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String local_address = getLocalIPv4Address();
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@ -418,8 +424,9 @@ public class CharonVpnService extends VpnService implements Runnable
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* Initialization of charon, provided by libandroidbridge.so
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*
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* @param builder BuilderAdapter for this connection
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* @param logfile absolute path to the logfile
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*/
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public native void initializeCharon(BuilderAdapter builder);
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public native void initializeCharon(BuilderAdapter builder, String logfile);
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/**
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* Deinitialize charon, provided by libandroidbridge.so
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