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-rw-r--r--src/main/java/eu/siacs/conversations/utils/DNSHelper.java24
-rw-r--r--src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java96
2 files changed, 67 insertions, 53 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/DNSHelper.java b/src/main/java/eu/siacs/conversations/utils/DNSHelper.java
index 6f414ccc..bb354ae0 100644
--- a/src/main/java/eu/siacs/conversations/utils/DNSHelper.java
+++ b/src/main/java/eu/siacs/conversations/utils/DNSHelper.java
@@ -20,11 +20,19 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.Random;
import java.util.TreeMap;
+import java.util.regex.Pattern;
import android.os.Bundle;
import android.util.Log;
public class DNSHelper {
+
+ public static final Pattern PATTERN_IPV4 = Pattern.compile("\\A(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
+ public static final Pattern PATTERN_IPV6_HEX4DECCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?) ::((?:[0-9A-Fa-f]{1,4}:)*)(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
+ public static final Pattern PATTERN_IPV6_6HEX4DEC = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}:){6,6})(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z");
+ public static final Pattern PATTERN_IPV6_HEXCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)\\z");
+ public static final Pattern PATTERN_IPV6 = Pattern.compile("\\A(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}\\z");
+
protected static Client client = new Client();
public static Bundle getSRVRecord(final Jid jid) throws IOException {
@@ -160,15 +168,11 @@ public class DNSHelper {
return namePort;
}
- final protected static char[] hexArray = "0123456789ABCDEF".toCharArray();
-
- public static String bytesToHex(byte[] bytes) {
- char[] hexChars = new char[bytes.length * 2];
- for (int j = 0; j < bytes.length; j++) {
- int v = bytes[j] & 0xFF;
- hexChars[j * 2] = hexArray[v >>> 4];
- hexChars[j * 2 + 1] = hexArray[v & 0x0F];
- }
- return new String(hexChars);
+ public static boolean isIp(final String server) {
+ return PATTERN_IPV4.matcher(server).matches()
+ || PATTERN_IPV6.matcher(server).matches()
+ || PATTERN_IPV6_6HEX4DEC.matcher(server).matches()
+ || PATTERN_IPV6_HEX4DECCOMPRESSED.matcher(server).matches()
+ || PATTERN_IPV6_HEXCOMPRESSED.matcher(server).matches();
}
}
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index f6e0bfdc..8a438906 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -26,6 +26,7 @@ import java.net.IDN;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
+import java.net.SocketAddress;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
@@ -155,53 +156,62 @@ public class XmppConnection implements Runnable {
tagWriter = new TagWriter();
packetCallbacks.clear();
this.changeStatus(Account.State.CONNECTING);
- final Bundle result = DNSHelper.getSRVRecord(account.getServer());
- final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
- if ("timeout".equals(result.getString("error"))) {
- throw new IOException("timeout in dns");
- } else if (values != null) {
- int i = 0;
- boolean socketError = true;
- while (socketError && values.size() > i) {
- final Bundle namePort = (Bundle) values.get(i);
- try {
- String srvRecordServer;
+ if (DNSHelper.isIp(account.getServer().toString())) {
+ socket = new Socket();
+ try {
+ socket.connect(new InetSocketAddress(account.getServer().toString(), 5222), Config.SOCKET_TIMEOUT * 1000);
+ } catch (IOException e) {
+ throw new UnknownHostException();
+ }
+ } else {
+ final Bundle result = DNSHelper.getSRVRecord(account.getServer());
+ final ArrayList<Parcelable> values = result.getParcelableArrayList("values");
+ if ("timeout".equals(result.getString("error"))) {
+ throw new IOException("timeout in dns");
+ } else if (values != null) {
+ int i = 0;
+ boolean socketError = true;
+ while (socketError && values.size() > i) {
+ final Bundle namePort = (Bundle) values.get(i);
try {
- srvRecordServer = IDN.toASCII(namePort.getString("name"));
- } catch (final IllegalArgumentException e) {
- // TODO: Handle me?`
- srvRecordServer = "";
- }
- final int srvRecordPort = namePort.getInt("port");
- final String srvIpServer = namePort.getString("ip");
- final InetSocketAddress addr;
- if (srvIpServer != null) {
- addr = new InetSocketAddress(srvIpServer, srvRecordPort);
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
- + ": using values from dns " + srvRecordServer
- + "[" + srvIpServer + "]:" + srvRecordPort);
- } else {
- addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
- + ": using values from dns "
- + srvRecordServer + ":" + srvRecordPort);
+ String srvRecordServer;
+ try {
+ srvRecordServer = IDN.toASCII(namePort.getString("name"));
+ } catch (final IllegalArgumentException e) {
+ // TODO: Handle me?`
+ srvRecordServer = "";
+ }
+ final int srvRecordPort = namePort.getInt("port");
+ final String srvIpServer = namePort.getString("ip");
+ final InetSocketAddress addr;
+ if (srvIpServer != null) {
+ addr = new InetSocketAddress(srvIpServer, srvRecordPort);
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
+ + ": using values from dns " + srvRecordServer
+ + "[" + srvIpServer + "]:" + srvRecordPort);
+ } else {
+ addr = new InetSocketAddress(srvRecordServer, srvRecordPort);
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString()
+ + ": using values from dns "
+ + srvRecordServer + ":" + srvRecordPort);
+ }
+ socket = new Socket();
+ socket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
+ socketError = false;
+ } catch (final UnknownHostException e) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
+ i++;
+ } catch (final IOException e) {
+ Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
+ i++;
}
- socket = new Socket();
- socket.connect(addr, Config.SOCKET_TIMEOUT * 1000);
- socketError = false;
- } catch (final UnknownHostException e) {
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
- i++;
- } catch (final IOException e) {
- Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": " + e.getMessage());
- i++;
}
+ if (socketError) {
+ throw new UnknownHostException();
+ }
+ } else {
+ throw new IOException("unhandled exception in DNS resolver");
}
- if (socketError) {
- throw new UnknownHostException();
- }
- } else {
- throw new IOException("unhandled exception in DNS resolver");
}
final OutputStream out = socket.getOutputStream();
tagWriter.setOutputStream(out);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 22:14:59 +0000