Mercurial > 510Connectbot

annotate src/net/sourceforge/jsocks/Socks5Proxy.java @ 402:14aa0621aa7d stable-1.9.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Backed out changeset 2f2b5a244a4d
author Carl Byington <carl@five-ten-sg.com>
date Mon, 20 Oct 2014 19:14:39 -0700
parents 205ee2873330
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 }