510Connectbot: src/ch/ethz/ssh2/packets/PacketKexInit.java annotate

author	Carl Byington <carl@five-ten-sg.com>
date	Fri, 18 Jul 2014 11:21:46 -0700
parents
children	071eccdff8ea

rev	line source
273 91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	1 /*
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	3 * Please refer to the LICENSE.txt for licensing details.
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	4 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	5 package ch.ethz.ssh2.packets;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	6
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	7 import java.io.IOException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	8 import java.security.SecureRandom;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	9
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	10 import ch.ethz.ssh2.PacketFormatException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	11 import ch.ethz.ssh2.PacketTypeException;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	12 import ch.ethz.ssh2.crypto.CryptoWishList;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	13 import ch.ethz.ssh2.transport.KexParameters;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	14
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	15 /**
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	16 * @author Christian Plattner
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	17 * @version $Id: PacketKexInit.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	18 */
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	19 public final class PacketKexInit {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	20 private final byte[] payload;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	21
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	22 KexParameters kp = new KexParameters();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	23
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	24 public PacketKexInit(CryptoWishList cwl, SecureRandom rnd) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	25 kp.cookie = new byte[16];
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	26 rnd.nextBytes(kp.cookie);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	27
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	28 kp.kex_algorithms = cwl.kexAlgorithms;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	29 kp.server_host_key_algorithms = cwl.serverHostKeyAlgorithms;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	30 kp.encryption_algorithms_client_to_server = cwl.c2s_enc_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	31 kp.encryption_algorithms_server_to_client = cwl.s2c_enc_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	32 kp.mac_algorithms_client_to_server = cwl.c2s_mac_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	33 kp.mac_algorithms_server_to_client = cwl.s2c_mac_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	34 kp.compression_algorithms_client_to_server = cwl.c2s_comp_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	35 kp.compression_algorithms_server_to_client = cwl.s2c_comp_algos;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	36 kp.languages_client_to_server = new String[]{""};
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	37 kp.languages_server_to_client = new String[]{""};
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	38 kp.first_kex_packet_follows = false;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	39 kp.reserved_field1 = 0;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	40
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	41 TypesWriter tw = new TypesWriter();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	42 tw.writeByte(Packets.SSH_MSG_KEXINIT);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	43 tw.writeBytes(kp.cookie, 0, 16);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	44 tw.writeNameList(kp.kex_algorithms);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	45 tw.writeNameList(kp.server_host_key_algorithms);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	46 tw.writeNameList(kp.encryption_algorithms_client_to_server);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	47 tw.writeNameList(kp.encryption_algorithms_server_to_client);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	48 tw.writeNameList(kp.mac_algorithms_client_to_server);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	49 tw.writeNameList(kp.mac_algorithms_server_to_client);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	50 tw.writeNameList(kp.compression_algorithms_client_to_server);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	51 tw.writeNameList(kp.compression_algorithms_server_to_client);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	52 tw.writeNameList(kp.languages_client_to_server);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	53 tw.writeNameList(kp.languages_server_to_client);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	54 tw.writeBoolean(kp.first_kex_packet_follows);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	55 tw.writeUINT32(kp.reserved_field1);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	56 payload = tw.getBytes();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	57 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	58
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	59 public PacketKexInit(byte payload[]) throws IOException {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	60 this.payload = payload;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	61
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	62 TypesReader tr = new TypesReader(payload);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	63
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	64 int packet_type = tr.readByte();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	65
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	66 if(packet_type != Packets.SSH_MSG_KEXINIT) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	67 throw new PacketTypeException(packet_type);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	68 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	69 kp.cookie = tr.readBytes(16);
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	70 kp.kex_algorithms = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	71 kp.server_host_key_algorithms = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	72 kp.encryption_algorithms_client_to_server = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	73 kp.encryption_algorithms_server_to_client = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	74 kp.mac_algorithms_client_to_server = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	75 kp.mac_algorithms_server_to_client = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	76 kp.compression_algorithms_client_to_server = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	77 kp.compression_algorithms_server_to_client = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	78 kp.languages_client_to_server = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	79 kp.languages_server_to_client = tr.readNameList();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	80 kp.first_kex_packet_follows = tr.readBoolean();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	81 kp.reserved_field1 = tr.readUINT32();
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	82
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	83 if(tr.remain() != 0) {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	84 throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	85 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	86 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	87
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	88 public byte[] getPayload() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	89 return payload;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	90 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	91
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	92 public KexParameters getKexParameters() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	93 return kp;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	94 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	95
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	96 public String[] getCompression_algorithms_client_to_server() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	97 return kp.compression_algorithms_client_to_server;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	98 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	99
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	100 public String[] getCompression_algorithms_server_to_client() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	101 return kp.compression_algorithms_server_to_client;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	102 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	103
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	104 public byte[] getCookie() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	105 return kp.cookie;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	106 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	107
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	108 public String[] getEncryption_algorithms_client_to_server() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	109 return kp.encryption_algorithms_client_to_server;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	110 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	111
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	112 public String[] getEncryption_algorithms_server_to_client() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	113 return kp.encryption_algorithms_server_to_client;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	114 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	115
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	116 public boolean isFirst_kex_packet_follows() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	117 return kp.first_kex_packet_follows;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	118 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	119
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	120 public String[] getKex_algorithms() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	121 return kp.kex_algorithms;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	122 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	123
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	124 public String[] getLanguages_client_to_server() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	125 return kp.languages_client_to_server;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	126 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	127
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	128 public String[] getLanguages_server_to_client() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	129 return kp.languages_server_to_client;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	130 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	131
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	132 public String[] getMac_algorithms_client_to_server() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	133 return kp.mac_algorithms_client_to_server;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	134 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	135
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	136 public String[] getMac_algorithms_server_to_client() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	137 return kp.mac_algorithms_server_to_client;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	138 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	139
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	140 public int getReserved_field1() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	141 return kp.reserved_field1;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	142 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	143
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	144 public String[] getServer_host_key_algorithms() {
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	145 return kp.server_host_key_algorithms;
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	146 }
91a31873c42a start conversion from trilead to ganymed Carl Byington <carl@five-ten-sg.com> parents: diff changeset	147 }

273

91a31873c42a start conversion from trilead to ganymed