510Connectbot: app/src/main/java/net/sourceforge/jsocks/Socks5Proxy.java annotate

annotate app/src/main/java/net/sourceforge/jsocks/Socks5Proxy.java @ 523:775a81a78a2b stable-1.9.4-7

add more debug code

author	Carl Byington <carl@five-ten-sg.com>
date	Fri, 31 May 2024 18:53:22 -0600
parents	d29cce60f393
children

rev	line source
349 205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	1 package net.sourceforge.jsocks;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	2 import java.net.*;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	3 import java.io.*;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	4 import java.util.Hashtable;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	5 import java.util.Enumeration;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	6
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	7 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	8 SOCKS5 CProxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	9 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	10
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	11 public class Socks5Proxy extends CProxy implements Cloneable{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	12
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	13 //Data members
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	14 private Hashtable authMethods = new Hashtable();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	15 private int selectedMethod;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	16
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	17 boolean resolveAddrLocally = true;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	18 UDPEncapsulation udp_encapsulation=null;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	19
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	20
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	21 //Public Constructors
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	22 //====================
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	23
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	24 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	25 Creates SOCKS5 proxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	26 @param p CProxy to use to connect to this proxy, allows proxy chaining.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	27 @param proxyHost Host on which a CProxy server runs.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	28 @param proxyPort Port on which a CProxy server listens for connections.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	29 @throws UnknownHostException If proxyHost can't be resolved.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	30 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	31 public Socks5Proxy(CProxy p,String proxyHost,int proxyPort)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	32 throws UnknownHostException{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	33 super(p,proxyHost,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	34 version = 5;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	35 setAuthenticationMethod(0,new AuthenticationNone());
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	36 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	37
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	38 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	39 Creates SOCKS5 proxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	40 @param proxyHost Host on which a CProxy server runs.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	41 @param proxyPort Port on which a CProxy server listens for connections.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	42 @throws UnknownHostException If proxyHost can't be resolved.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	43 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	44 public Socks5Proxy(String proxyHost,int proxyPort)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	45 throws UnknownHostException{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	46 this(null,proxyHost,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	47 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	48
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	49
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	50 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	51 Creates SOCKS5 proxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	52 @param p CProxy to use to connect to this proxy, allows proxy chaining.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	53 @param proxyIP Host on which a CProxy server runs.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	54 @param proxyPort Port on which a CProxy server listens for connections.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	55 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	56 public Socks5Proxy(CProxy p,InetAddress proxyIP,int proxyPort){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	57 super(p,proxyIP,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	58 version = 5;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	59 setAuthenticationMethod(0,new AuthenticationNone());
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	60 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	61
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	62 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	63 Creates SOCKS5 proxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	64 @param proxyIP Host on which a CProxy server runs.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	65 @param proxyPort Port on which a CProxy server listens for connections.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	66 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	67 public Socks5Proxy(InetAddress proxyIP,int proxyPort){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	68 this(null,proxyIP,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	69 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	70
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	71 //Public instance methods
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	72 //========================
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	73
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	74
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	75 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	76 * Wether to resolve address locally or to let proxy do so.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	77 <p>
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	78 SOCKS5 protocol allows to send host names rather then IPs in the
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	79 requests, this option controls wether the hostnames should be send
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	80 to the proxy server as names, or should they be resolved locally.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	81 @param doResolve Wether to perform resolution locally.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	82 @return Previous settings.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	83 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	84 public boolean resolveAddrLocally(boolean doResolve){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	85 boolean old = resolveAddrLocally;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	86 resolveAddrLocally = doResolve;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	87 return old;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	88 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	89 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	90 Get current setting on how the addresses should be handled.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	91 @return Current setting for address resolution.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	92 @see Socks5Proxy#resolveAddrLocally(boolean doResolve)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	93 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	94 public boolean resolveAddrLocally(){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	95 return resolveAddrLocally;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	96 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	97
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	98 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	99 Adds another authentication method.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	100 @param methodId Authentication method id, see rfc1928
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	101 @param method Implementation of Authentication
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	102 @see Authentication
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	103 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	104 public boolean setAuthenticationMethod(int methodId,
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	105 Authentication method){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	106 if(methodId<0 \|\| methodId > 255)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	107 return false;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	108 if(method == null){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	109 //Want to remove a particular method
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	110 return (authMethods.remove(new Integer(methodId)) != null);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	111 }else{//Add the method, or rewrite old one
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	112 authMethods.put(new Integer(methodId),method);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	113 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	114 return true;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	115 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	116
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	117 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	118 Get authentication method, which corresponds to given method id
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	119 @param methodId Authentication method id.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	120 @return Implementation for given method or null, if one was not set.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	121 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	122 public Authentication getAuthenticationMethod(int methodId){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	123 Object method = authMethods.get(new Integer(methodId));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	124 if(method == null) return null;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	125 return (Authentication)method;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	126 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	127
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	128 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	129 Creates a clone of this CProxy.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	130 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	131 public Object clone(){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	132 Socks5Proxy newProxy = new Socks5Proxy(proxyIP,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	133 newProxy.authMethods = (Hashtable) this.authMethods.clone();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	134 newProxy.directHosts = (InetRange)directHosts.clone();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	135 newProxy.resolveAddrLocally = resolveAddrLocally;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	136 newProxy.chainProxy = chainProxy;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	137 return newProxy;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	138 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	139
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	140 //Public Static(Class) Methods
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	141 //==============================
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	142
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	143
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	144 //Protected Methods
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	145 //=================
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	146
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	147 protected CProxy copy(){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	148 Socks5Proxy copy = new Socks5Proxy(proxyIP,proxyPort);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	149 copy.authMethods = this.authMethods; //same Hash, no copy
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	150 copy.directHosts = this.directHosts;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	151 copy.chainProxy = this.chainProxy;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	152 copy.resolveAddrLocally = this.resolveAddrLocally;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	153 return copy;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	154 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	155 /**
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	156 *
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	157 *
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	158 */
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	159 protected void startSession()throws SocksException{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	160 super.startSession();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	161 Authentication auth;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	162 Socket ps = proxySocket; //The name is too long
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	163
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	164 try{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	165
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	166 byte nMethods = (byte) authMethods.size(); //Number of methods
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	167
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	168 byte[] buf = new byte[2+nMethods]; //2 is for VER,NMETHODS
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	169 buf[0] = (byte) version;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	170 buf[1] = nMethods; //Number of methods
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	171 int i=2;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	172
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	173 Enumeration ids = authMethods.keys();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	174 while(ids.hasMoreElements())
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	175 buf[i++] = (byte)((Integer)ids.nextElement()).intValue();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	176
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	177 out.write(buf);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	178 out.flush();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	179
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	180 int versionNumber = in.read();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	181 selectedMethod = in.read();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	182
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	183 if(versionNumber < 0 \|\| selectedMethod < 0){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	184 //EOF condition was reached
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	185 endSession();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	186 throw(new SocksException(SOCKS_PROXY_IO_ERROR,
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	187 "Connection to proxy lost."));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	188 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	189 if(versionNumber < version){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	190 //What should we do??
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	191 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	192 if(selectedMethod == 0xFF){ //No method selected
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	193 ps.close();
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	194 throw ( new SocksException(SOCKS_AUTH_NOT_SUPPORTED));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	195 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	196
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	197 auth = getAuthenticationMethod(selectedMethod);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	198 if(auth == null){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	199 //This shouldn't happen, unless method was removed by other
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	200 //thread, or the server stuffed up
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	201 throw(new SocksException(SOCKS_JUST_ERROR,
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	202 "Speciefied Authentication not found!"));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	203 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	204 Object[] in_out = auth.doSocksAuthentication(selectedMethod,ps);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	205 if(in_out == null){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	206 //Authentication failed by some reason
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	207 throw(new SocksException(SOCKS_AUTH_FAILURE));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	208 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	209 //Most authentication methods are expected to return
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	210 //simply the input/output streams associated with
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	211 //the socket. However if the auth. method requires
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	212 //some kind of encryption/decryption being done on the
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	213 //connection it should provide classes to handle I/O.
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	214
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	215 in = (InputStream) in_out[0];
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	216 out = (OutputStream) in_out[1];
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	217 if(in_out.length > 2)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	218 udp_encapsulation = (UDPEncapsulation) in_out[2];
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	219
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	220 }catch(SocksException s_ex){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	221 throw s_ex;
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	222 }catch(UnknownHostException uh_ex){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	223 throw(new SocksException(SOCKS_PROXY_NO_CONNECT));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	224 }catch(SocketException so_ex){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	225 throw(new SocksException(SOCKS_PROXY_NO_CONNECT));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	226 }catch(IOException io_ex){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	227 //System.err.println(io_ex);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	228 throw(new SocksException(SOCKS_PROXY_IO_ERROR,""+io_ex));
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	229 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	230 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	231
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	232 protected ProxyMessage formMessage(int cmd,InetAddress ip,int port){
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	233 return new Socks5Message(cmd,ip,port);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	234 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	235 protected ProxyMessage formMessage(int cmd,String host,int port)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	236 throws UnknownHostException{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	237 if(resolveAddrLocally)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	238 return formMessage(cmd,InetAddress.getByName(host),port);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	239 else
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	240 return new Socks5Message(cmd,host,port);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	241 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	242 protected ProxyMessage formMessage(InputStream in)
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	243 throws SocksException,
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	244 IOException{
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	245 return new Socks5Message(in);
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	246 }
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	247
205ee2873330 update jsocks to 2011-03-19 Carl Byington <carl@five-ten-sg.com> parents: 0 diff changeset	248 }

Mercurial > 510Connectbot

annotate app/src/main/java/net/sourceforge/jsocks/Socks5Proxy.java @ 523:775a81a78a2b stable-1.9.4-7