public void runSupport() {
byte[] input_buffer = new byte[request_dg.getLength()];
System.arraycopy(request_dg.getData(), 0, input_buffer, 0, input_buffer.length);
int packet_data_length = input_buffer.length;
String auth_user = null;
byte[] auth_user_bytes = null;
byte[] auth_hash = null;
if (server.isTrackerPasswordEnabled()) {
// auth detail should be attached to the packet. Auth details are 16
// bytes
if (input_buffer.length < 17) {
Logger.log(
new LogEvent(
LOGID,
LogEvent.LT_WARNING,
"TRTrackerServerProcessorUDP: " + "packet received but authorisation missing"));
return;
}
packet_data_length -= 16;
auth_user_bytes = new byte[8];
auth_hash = new byte[8];
System.arraycopy(input_buffer, packet_data_length, auth_user_bytes, 0, 8);
int user_len = 0;
while (user_len < 8 && auth_user_bytes[user_len] != 0) {
user_len++;
}
auth_user = new String(auth_user_bytes, 0, user_len);
System.arraycopy(input_buffer, packet_data_length + 8, auth_hash, 0, 8);
}
DataInputStream is =
new DataInputStream(new ByteArrayInputStream(input_buffer, 0, packet_data_length));
try {
String client_ip_address = request_dg.getAddress().getHostAddress();
PRUDPPacketRequest request = PRUDPPacketRequest.deserialiseRequest(null, is);
Logger.log(
new LogEvent(
LOGID, "TRTrackerServerProcessorUDP: packet received: " + request.getString()));
PRUDPPacket reply = null;
TRTrackerServerTorrentImpl torrent = null;
if (auth_user_bytes != null) {
// user name is irrelevant as we only have one at the moment
// <parg_home> so <new_packet> = <old_packet> + <user_padded_to_8_bytes> + <hash>
// <parg_home> where <hash> = first 8 bytes of sha1(<old_packet> + <user_padded_to_8> +
// sha1(pass))
// <XTF> Yes
byte[] sha1_pw = null;
if (server.hasExternalAuthorisation()) {
try {
URL resource = new URL("udp://" + server.getHost() + ":" + server.getPort() + "/");
sha1_pw = server.performExternalAuthorisation(resource, auth_user);
} catch (MalformedURLException e) {
Debug.printStackTrace(e);
}
if (sha1_pw == null) {
Logger.log(
new LogEvent(
LOGID,
LogEvent.LT_ERROR,
"TRTrackerServerProcessorUDP: auth fails for user '" + auth_user + "'"));
reply = new PRUDPPacketReplyError(request.getTransactionId(), "Access Denied");
}
} else {
sha1_pw = server.getPassword();
}
// if we haven't already failed then check the PW
if (reply == null) {
SHA1Hasher hasher = new SHA1Hasher();
hasher.update(input_buffer, 0, packet_data_length);
hasher.update(auth_user_bytes);
hasher.update(sha1_pw);
byte[] digest = hasher.getDigest();
for (int i = 0; i < auth_hash.length; i++) {
if (auth_hash[i] != digest[i]) {
Logger.log(
new LogEvent(
LOGID,
LogEvent.LT_ERROR,
"TRTrackerServerProcessorUDP: auth fails for user '" + auth_user + "'"));
reply = new PRUDPPacketReplyError(request.getTransactionId(), "Access Denied");
break;
}
}
}
}
int request_type = TRTrackerServerRequest.RT_UNKNOWN;
if (reply == null) {
if (server.isEnabled()) {
try {
int type = request.getAction();
if (type == PRUDPPacketTracker.ACT_REQUEST_CONNECT) {
reply = handleConnect(client_ip_address, request);
} else if (type == PRUDPPacketTracker.ACT_REQUEST_ANNOUNCE) {
Object[] x =
handleAnnounceAndScrape(
client_ip_address, request, TRTrackerServerRequest.RT_ANNOUNCE);
if (x == null) {
throw (new Exception("Connection ID mismatch"));
}
reply = (PRUDPPacket) x[0];
torrent = (TRTrackerServerTorrentImpl) x[1];
request_type = TRTrackerServerRequest.RT_ANNOUNCE;
} else if (type == PRUDPPacketTracker.ACT_REQUEST_SCRAPE) {
Object[] x =
handleAnnounceAndScrape(
client_ip_address, request, TRTrackerServerRequest.RT_SCRAPE);
if (x == null) {
throw (new Exception("Connection ID mismatch"));
}
reply = (PRUDPPacket) x[0];
torrent = (TRTrackerServerTorrentImpl) x[1];
request_type = TRTrackerServerRequest.RT_SCRAPE;
} else {
reply = new PRUDPPacketReplyError(request.getTransactionId(), "unsupported action");
}
} catch (Throwable e) {
// e.printStackTrace();
String error = e.getMessage();
if (error == null) {
error = e.toString();
}
reply = new PRUDPPacketReplyError(request.getTransactionId(), error);
}
} else {
System.out.println("UDP Tracker: replying 'disabled' to " + client_ip_address);
reply = new PRUDPPacketReplyError(request.getTransactionId(), "UDP Tracker disabled");
}
}
if (reply != null) {
InetAddress address = request_dg.getAddress();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream os = new DataOutputStream(baos);
reply.serialise(os);
byte[] output_buffer = baos.toByteArray();
DatagramPacket reply_packet =
new DatagramPacket(output_buffer, output_buffer.length, address, request_dg.getPort());
socket.send(reply_packet);
server.updateStats(request_type, torrent, input_buffer.length, output_buffer.length);
}
} catch (Throwable e) {
Logger.log(new LogEvent(LOGID, "TRTrackerServerProcessorUDP: processing fails", e));
} finally {
try {
is.close();
} catch (Throwable e) {
}
}
}
/**
* Construct the default version check message.
*
* @return message to send
*/
public static Map constructVersionCheckMessage(String reason) {
// only send if anonymous-check flag is not set
boolean send_info = COConfigurationManager.getBooleanParameter("Send Version Info");
Map message = new HashMap();
// always send
message.put("appid", SystemProperties.getApplicationIdentifier());
message.put("appname", SystemProperties.getApplicationName());
message.put("version", Constants.AZUREUS_VERSION);
String sub_ver = Constants.AZUREUS_SUBVER;
if (sub_ver.length() > 0) {
message.put("subver", sub_ver);
}
if (COConfigurationManager.getBooleanParameter("Beta Programme Enabled")) {
message.put("beta_prog", "true");
}
message.put("ui", COConfigurationManager.getStringParameter("ui", "unknown"));
message.put("os", Constants.OSName);
message.put("os_version", System.getProperty("os.version"));
message.put(
"os_arch", System.getProperty("os.arch")); // see http://lopica.sourceforge.net/os.html
boolean using_phe =
COConfigurationManager.getBooleanParameter("network.transport.encrypted.require");
message.put("using_phe", using_phe ? new Long(1) : new Long(0));
// swt stuff
try {
Class c = Class.forName("org.eclipse.swt.SWT");
String swt_platform =
(String) c.getMethod("getPlatform", new Class[] {}).invoke(null, new Object[] {});
message.put("swt_platform", swt_platform);
Integer swt_version =
(Integer) c.getMethod("getVersion", new Class[] {}).invoke(null, new Object[] {});
message.put("swt_version", new Long(swt_version.longValue()));
if (send_info) {
c = Class.forName("org.gudy.azureus2.ui.swt.mainwindow.MainWindow");
if (c != null) {
c.getMethod("addToVersionCheckMessage", new Class[] {Map.class})
.invoke(null, new Object[] {message});
}
}
} catch (ClassNotFoundException e) {
/* ignore */
} catch (NoClassDefFoundError er) {
/* ignore */
} catch (InvocationTargetException err) {
/* ignore */
} catch (Throwable t) {
t.printStackTrace();
}
int last_send_time = COConfigurationManager.getIntParameter("Send Version Info Last Time", -1);
int current_send_time = (int) (SystemTime.getCurrentTime() / 1000);
COConfigurationManager.setParameter("Send Version Info Last Time", current_send_time);
String id = COConfigurationManager.getStringParameter("ID", null);
if (id != null && send_info) {
message.put("id", id);
try {
byte[] id2 = CryptoManagerFactory.getSingleton().getSecureID();
message.put("id2", id2);
} catch (Throwable e) {
}
if (last_send_time != -1 && last_send_time < current_send_time) {
// time since last
message.put("tsl", new Long(current_send_time - last_send_time));
}
message.put("reason", reason);
String java_version = System.getProperty("java.version");
if (java_version == null) {
java_version = "unknown";
}
message.put("java", java_version);
String java_vendor = System.getProperty("java.vm.vendor");
if (java_vendor == null) {
java_vendor = "unknown";
}
message.put("javavendor", java_vendor);
long max_mem = Runtime.getRuntime().maxMemory() / (1024 * 1024);
message.put("javamx", new Long(max_mem));
String java_rt_name = System.getProperty("java.runtime.name");
if (java_rt_name != null) {
message.put("java_rt_name", java_rt_name);
}
String java_rt_version = System.getProperty("java.runtime.version");
if (java_rt_version != null) {
message.put("java_rt_version", java_rt_version);
}
OverallStats stats = StatsFactory.getStats();
if (stats != null) {
// long total_bytes_downloaded = stats.getDownloadedBytes();
// long total_bytes_uploaded = stats.getUploadedBytes();
long total_uptime = stats.getTotalUpTime();
// removed due to complaints about anonymous stats collection
// message.put( "total_bytes_downloaded", new Long( total_bytes_downloaded ) );
// message.put( "total_bytes_uploaded", new Long( total_bytes_uploaded ) );
message.put("total_uptime", new Long(total_uptime));
// message.put( "dlstats", stats.getDownloadStats());
}
try {
NetworkAdminASN current_asn = NetworkAdmin.getSingleton().getCurrentASN();
String as = current_asn.getAS();
message.put("ip_as", current_asn.getAS());
String asn = current_asn.getASName();
if (asn.length() > 64) {
asn = asn.substring(0, 64);
}
message.put("ip_asn", asn);
} catch (Throwable e) {
Debug.out(e);
}
// send locale, so we can determine which languages need attention
message.put("locale", Locale.getDefault().toString());
String originalLocale =
System.getProperty("user.language") + "_" + System.getProperty("user.country");
String variant = System.getProperty("user.variant");
if (variant != null && variant.length() > 0) {
originalLocale += "_" + variant;
}
message.put("orig_locale", originalLocale);
// We may want to reply differently if the user is in Beginner mode vs Advanced
message.put("user_mode", COConfigurationManager.getIntParameter("User Mode", -1));
Set<String> features = UtilitiesImpl.getFeaturesInstalled();
if (features.size() > 0) {
String str = "";
for (String f : features) {
str += (str.length() == 0 ? "" : ",") + f;
}
message.put("vzfeatures", str);
}
try {
if (AzureusCoreFactory.isCoreAvailable()) {
// installed plugin IDs
PluginInterface[] plugins =
AzureusCoreFactory.getSingleton().getPluginManager().getPluginInterfaces();
List pids = new ArrayList();
List vs_data = new ArrayList();
for (int i = 0; i < plugins.length; i++) {
PluginInterface plugin = plugins[i];
String pid = plugin.getPluginID();
String info = plugin.getPluginconfig().getPluginStringParameter("plugin.info");
// filter out built-in and core ones
if ((info != null && info.length() > 0)
|| (!pid.startsWith("<")
&& !pid.startsWith("azbp")
&& !pid.startsWith("azupdater")
&& !pid.startsWith("azplatform")
&& !pids.contains(pid))) {
if (info != null && info.length() > 0) {
if (info.length() < 256) {
pid += ":" + info;
} else {
Debug.out("Plugin '" + pid + "' reported excessive info string '" + info + "'");
}
}
pids.add(pid);
}
Map data =
plugin.getPluginconfig().getPluginMapParameter("plugin.versionserver.data", null);
if (data != null) {
Map payload = new HashMap();
byte[] data_bytes = BEncoder.encode(data);
if (data_bytes.length > 16 * 1024) {
Debug.out(
"Plugin '"
+ pid
+ "' reported excessive version server data (length="
+ data_bytes.length
+ ")");
payload.put("error", "data too long: " + data_bytes.length);
} else {
payload.put("data", data_bytes);
}
payload.put("id", pid);
payload.put("version", plugin.getPluginVersion());
vs_data.add(payload);
}
}
message.put("plugins", pids);
if (vs_data.size() > 0) {
message.put("plugin_data", vs_data);
}
}
} catch (Throwable e) {
Debug.out(e);
}
}
return message;
}