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comparison app/src/main/java/ch/ethz/ssh2/packets/PacketKexInit.java @ 438:d29cce60f393

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migrate from Eclipse to Android Studio
author Carl Byington <carl@five-ten-sg.com>
date Thu, 03 Dec 2015 11:23:55 -0800
parents src/ch/ethz/ssh2/packets/PacketKexInit.java@071eccdff8ea
children
comparison
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437:208b31032318 438:d29cce60f393
1 /*
2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
3 * Please refer to the LICENSE.txt for licensing details.
4 */
5 package ch.ethz.ssh2.packets;
6
7 import java.io.IOException;
8 import java.security.SecureRandom;
9
10 import ch.ethz.ssh2.PacketFormatException;
11 import ch.ethz.ssh2.PacketTypeException;
12 import ch.ethz.ssh2.crypto.CryptoWishList;
13 import ch.ethz.ssh2.transport.KexParameters;
14
15 /**
16 * @author Christian Plattner
17 * @version $Id: PacketKexInit.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
18 */
19 public final class PacketKexInit {
20 private final byte[] payload;
21
22 KexParameters kp = new KexParameters();
23
24 public PacketKexInit(CryptoWishList cwl, SecureRandom rnd) {
25 kp.cookie = new byte[16];
26 rnd.nextBytes(kp.cookie);
27 kp.kex_algorithms = cwl.kexAlgorithms;
28 kp.server_host_key_algorithms = cwl.serverHostKeyAlgorithms;
29 kp.encryption_algorithms_client_to_server = cwl.c2s_enc_algos;
30 kp.encryption_algorithms_server_to_client = cwl.s2c_enc_algos;
31 kp.mac_algorithms_client_to_server = cwl.c2s_mac_algos;
32 kp.mac_algorithms_server_to_client = cwl.s2c_mac_algos;
33 kp.compression_algorithms_client_to_server = cwl.c2s_comp_algos;
34 kp.compression_algorithms_server_to_client = cwl.s2c_comp_algos;
35 kp.languages_client_to_server = new String[] {""};
36 kp.languages_server_to_client = new String[] {""};
37 kp.first_kex_packet_follows = false;
38 kp.reserved_field1 = 0;
39 TypesWriter tw = new TypesWriter();
40 tw.writeByte(Packets.SSH_MSG_KEXINIT);
41 tw.writeBytes(kp.cookie, 0, 16);
42 tw.writeNameList(kp.kex_algorithms);
43 tw.writeNameList(kp.server_host_key_algorithms);
44 tw.writeNameList(kp.encryption_algorithms_client_to_server);
45 tw.writeNameList(kp.encryption_algorithms_server_to_client);
46 tw.writeNameList(kp.mac_algorithms_client_to_server);
47 tw.writeNameList(kp.mac_algorithms_server_to_client);
48 tw.writeNameList(kp.compression_algorithms_client_to_server);
49 tw.writeNameList(kp.compression_algorithms_server_to_client);
50 tw.writeNameList(kp.languages_client_to_server);
51 tw.writeNameList(kp.languages_server_to_client);
52 tw.writeBoolean(kp.first_kex_packet_follows);
53 tw.writeUINT32(kp.reserved_field1);
54 payload = tw.getBytes();
55 }
56
57 public PacketKexInit(byte payload[]) throws IOException {
58 this.payload = payload;
59 TypesReader tr = new TypesReader(payload);
60 int packet_type = tr.readByte();
61
62 if (packet_type != Packets.SSH_MSG_KEXINIT) {
63 throw new PacketTypeException(packet_type);
64 }
65
66 kp.cookie = tr.readBytes(16);
67 kp.kex_algorithms = tr.readNameList();
68 kp.server_host_key_algorithms = tr.readNameList();
69 kp.encryption_algorithms_client_to_server = tr.readNameList();
70 kp.encryption_algorithms_server_to_client = tr.readNameList();
71 kp.mac_algorithms_client_to_server = tr.readNameList();
72 kp.mac_algorithms_server_to_client = tr.readNameList();
73 kp.compression_algorithms_client_to_server = tr.readNameList();
74 kp.compression_algorithms_server_to_client = tr.readNameList();
75 kp.languages_client_to_server = tr.readNameList();
76 kp.languages_server_to_client = tr.readNameList();
77 kp.first_kex_packet_follows = tr.readBoolean();
78 kp.reserved_field1 = tr.readUINT32();
79
80 if (tr.remain() != 0) {
81 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
82 }
83 }
84
85 public byte[] getPayload() {
86 return payload;
87 }
88
89 public KexParameters getKexParameters() {
90 return kp;
91 }
92
93 public String[] getCompression_algorithms_client_to_server() {
94 return kp.compression_algorithms_client_to_server;
95 }
96
97 public String[] getCompression_algorithms_server_to_client() {
98 return kp.compression_algorithms_server_to_client;
99 }
100
101 public byte[] getCookie() {
102 return kp.cookie;
103 }
104
105 public String[] getEncryption_algorithms_client_to_server() {
106 return kp.encryption_algorithms_client_to_server;
107 }
108
109 public String[] getEncryption_algorithms_server_to_client() {
110 return kp.encryption_algorithms_server_to_client;
111 }
112
113 public boolean isFirst_kex_packet_follows() {
114 return kp.first_kex_packet_follows;
115 }
116
117 public String[] getKex_algorithms() {
118 return kp.kex_algorithms;
119 }
120
121 public String[] getLanguages_client_to_server() {
122 return kp.languages_client_to_server;
123 }
124
125 public String[] getLanguages_server_to_client() {
126 return kp.languages_server_to_client;
127 }
128
129 public String[] getMac_algorithms_client_to_server() {
130 return kp.mac_algorithms_client_to_server;
131 }
132
133 public String[] getMac_algorithms_server_to_client() {
134 return kp.mac_algorithms_server_to_client;
135 }
136
137 public int getReserved_field1() {
138 return kp.reserved_field1;
139 }
140
141 public String[] getServer_host_key_algorithms() {
142 return kp.server_host_key_algorithms;
143 }
144 }