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P0nk
2021-07-18 14:26:23 +02:00
parent 11e83522d6
commit 9e3f3cc036
16 changed files with 93 additions and 99 deletions
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219
src/main/java/tools/MapleAESOFB.java
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@@ -1,219 +0,0 @@
/*
This file is part of the OdinMS Maple Story Server
Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
Matthias Butz <matze@odinms.de>
Jan Christian Meyer <vimes@odinms.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation version 3 as published by
the Free Software Foundation. You may not use, modify or distribute
this program under any other version of the GNU Affero General Public
License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package tools;
import net.netty.InitializationVector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.SecretKeySpec;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
public class MapleAESOFB {
private static final Logger log = LoggerFactory.getLogger(MapleAESOFB.class);
private final static SecretKeySpec skey = new SecretKeySpec(
new byte[]{
0x13, 0x00, 0x00, 0x00,
0x08, 0x00, 0x00, 0x00,
0x06, 0x00, 0x00, 0x00,
(byte) 0xB4, 0x00, 0x00, 0x00,
0x1B, 0x00, 0x00, 0x00,
0x0F, 0x00, 0x00, 0x00,
0x33, 0x00, 0x00, 0x00,
0x52, 0x00, 0x00, 0x00}, "AES");
private static final byte[] funnyBytes = new byte[]{
(byte) 0xEC, (byte) 0x3F, (byte) 0x77, (byte) 0xA4, (byte) 0x45, (byte) 0xD0, (byte) 0x71, (byte) 0xBF,
(byte) 0xB7, (byte) 0x98, (byte) 0x20, (byte) 0xFC, (byte) 0x4B, (byte) 0xE9, (byte) 0xB3, (byte) 0xE1,
(byte) 0x5C, (byte) 0x22, (byte) 0xF7, (byte) 0x0C, (byte) 0x44, (byte) 0x1B, (byte) 0x81, (byte) 0xBD,
(byte) 0x63, (byte) 0x8D, (byte) 0xD4, (byte) 0xC3, (byte) 0xF2, (byte) 0x10, (byte) 0x19, (byte) 0xE0,
(byte) 0xFB, (byte) 0xA1, (byte) 0x6E, (byte) 0x66, (byte) 0xEA, (byte) 0xAE, (byte) 0xD6, (byte) 0xCE,
(byte) 0x06, (byte) 0x18, (byte) 0x4E, (byte) 0xEB, (byte) 0x78, (byte) 0x95, (byte) 0xDB, (byte) 0xBA,
(byte) 0xB6, (byte) 0x42, (byte) 0x7A, (byte) 0x2A, (byte) 0x83, (byte) 0x0B, (byte) 0x54, (byte) 0x67,
(byte) 0x6D, (byte) 0xE8, (byte) 0x65, (byte) 0xE7, (byte) 0x2F, (byte) 0x07, (byte) 0xF3, (byte) 0xAA,
(byte) 0x27, (byte) 0x7B, (byte) 0x85, (byte) 0xB0, (byte) 0x26, (byte) 0xFD, (byte) 0x8B, (byte) 0xA9,
(byte) 0xFA, (byte) 0xBE, (byte) 0xA8, (byte) 0xD7, (byte) 0xCB, (byte) 0xCC, (byte) 0x92, (byte) 0xDA,
(byte) 0xF9, (byte) 0x93, (byte) 0x60, (byte) 0x2D, (byte) 0xDD, (byte) 0xD2, (byte) 0xA2, (byte) 0x9B,
(byte) 0x39, (byte) 0x5F, (byte) 0x82, (byte) 0x21, (byte) 0x4C, (byte) 0x69, (byte) 0xF8, (byte) 0x31,
(byte) 0x87, (byte) 0xEE, (byte) 0x8E, (byte) 0xAD, (byte) 0x8C, (byte) 0x6A, (byte) 0xBC, (byte) 0xB5,
(byte) 0x6B, (byte) 0x59, (byte) 0x13, (byte) 0xF1, (byte) 0x04, (byte) 0x00, (byte) 0xF6, (byte) 0x5A,
(byte) 0x35, (byte) 0x79, (byte) 0x48, (byte) 0x8F, (byte) 0x15, (byte) 0xCD, (byte) 0x97, (byte) 0x57,
(byte) 0x12, (byte) 0x3E, (byte) 0x37, (byte) 0xFF, (byte) 0x9D, (byte) 0x4F, (byte) 0x51, (byte) 0xF5,
(byte) 0xA3, (byte) 0x70, (byte) 0xBB, (byte) 0x14, (byte) 0x75, (byte) 0xC2, (byte) 0xB8, (byte) 0x72,
(byte) 0xC0, (byte) 0xED, (byte) 0x7D, (byte) 0x68, (byte) 0xC9, (byte) 0x2E, (byte) 0x0D, (byte) 0x62,
(byte) 0x46, (byte) 0x17, (byte) 0x11, (byte) 0x4D, (byte) 0x6C, (byte) 0xC4, (byte) 0x7E, (byte) 0x53,
(byte) 0xC1, (byte) 0x25, (byte) 0xC7, (byte) 0x9A, (byte) 0x1C, (byte) 0x88, (byte) 0x58, (byte) 0x2C,
(byte) 0x89, (byte) 0xDC, (byte) 0x02, (byte) 0x64, (byte) 0x40, (byte) 0x01, (byte) 0x5D, (byte) 0x38,
(byte) 0xA5, (byte) 0xE2, (byte) 0xAF, (byte) 0x55, (byte) 0xD5, (byte) 0xEF, (byte) 0x1A, (byte) 0x7C,
(byte) 0xA7, (byte) 0x5B, (byte) 0xA6, (byte) 0x6F, (byte) 0x86, (byte) 0x9F, (byte) 0x73, (byte) 0xE6,
(byte) 0x0A, (byte) 0xDE, (byte) 0x2B, (byte) 0x99, (byte) 0x4A, (byte) 0x47, (byte) 0x9C, (byte) 0xDF,
(byte) 0x09, (byte) 0x76, (byte) 0x9E, (byte) 0x30, (byte) 0x0E, (byte) 0xE4, (byte) 0xB2, (byte) 0x94,
(byte) 0xA0, (byte) 0x3B, (byte) 0x34, (byte) 0x1D, (byte) 0x28, (byte) 0x0F, (byte) 0x36, (byte) 0xE3,
(byte) 0x23, (byte) 0xB4, (byte) 0x03, (byte) 0xD8, (byte) 0x90, (byte) 0xC8, (byte) 0x3C, (byte) 0xFE,
(byte) 0x5E, (byte) 0x32, (byte) 0x24, (byte) 0x50, (byte) 0x1F, (byte) 0x3A, (byte) 0x43, (byte) 0x8A,
(byte) 0x96, (byte) 0x41, (byte) 0x74, (byte) 0xAC, (byte) 0x52, (byte) 0x33, (byte) 0xF0, (byte) 0xD9,
(byte) 0x29, (byte) 0x80, (byte) 0xB1, (byte) 0x16, (byte) 0xD3, (byte) 0xAB, (byte) 0x91, (byte) 0xB9,
(byte) 0x84, (byte) 0x7F, (byte) 0x61, (byte) 0x1E, (byte) 0xCF, (byte) 0xC5, (byte) 0xD1, (byte) 0x56,
(byte) 0x3D, (byte) 0xCA, (byte) 0xF4, (byte) 0x05, (byte) 0xC6, (byte) 0xE5, (byte) 0x08, (byte) 0x49};
private final short mapleVersion;
private final Cipher cipher;
private byte[] iv;
public MapleAESOFB(InitializationVector iv, short mapleVersion) {
try {
cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, skey);
} catch (NoSuchAlgorithmException | NoSuchPaddingException | InvalidKeyException e) {
log.warn("Cypher initialization error with skey: {}", skey, e);
throw new RuntimeException(e);
}
this.iv = iv.getBytes();
this.mapleVersion = (short) (((mapleVersion >> 8) & 0xFF) | ((mapleVersion << 8) & 0xFF00));
}
private static byte[] multiplyBytes(byte[] in, int count, int mul) {
final int size = count * mul;
byte[] ret = new byte[size];
for (int x = 0; x < size; x++) {
ret[x] = in[x % count];
}
return ret;
}
public synchronized byte[] crypt(byte[] data) {
int remaining = data.length;
int llength = 0x5B0;
int start = 0;
while (remaining > 0) {
byte[] myIv = multiplyBytes(this.iv, 4, 4);
if (remaining < llength) {
llength = remaining;
}
for (int x = start; x < (start + llength); x++) {
if ((x - start) % myIv.length == 0) {
try {
byte[] newIv = cipher.doFinal(myIv);
System.arraycopy(newIv, 0, myIv, 0, myIv.length);
} catch (IllegalBlockSizeException | BadPaddingException e) {
e.printStackTrace();
}
}
data[x] ^= myIv[(x - start) % myIv.length];
}
start += llength;
remaining -= llength;
llength = 0x5B4;
}
updateIv();
return data;
}
private synchronized void updateIv() {
this.iv = getNewIv(this.iv);
}
public byte[] getPacketHeader(int length) {
int iiv = (iv[3]) & 0xFF;
iiv |= (iv[2] << 8) & 0xFF00;
iiv ^= mapleVersion;
int mlength = ((length << 8) & 0xFF00) | (length >>> 8);
int xoredIv = iiv ^ mlength;
byte[] ret = new byte[4];
ret[0] = (byte) ((iiv >>> 8) & 0xFF);
ret[1] = (byte) (iiv & 0xFF);
ret[2] = (byte) ((xoredIv >>> 8) & 0xFF);
ret[3] = (byte) (xoredIv & 0xFF);
return ret;
}
public static int getPacketLength(int packetHeader) {
int packetLength = ((packetHeader >>> 16) ^ (packetHeader & 0xFFFF));
packetLength = ((packetLength << 8) & 0xFF00) | ((packetLength >>> 8) & 0xFF);
return packetLength;
}
private boolean checkPacket(byte[] packet) {
return ((((packet[0] ^ iv[2]) & 0xFF) == ((mapleVersion >> 8) & 0xFF)) &&
(((packet[1] ^ iv[3]) & 0xFF) == (mapleVersion & 0xFF)));
}
public boolean isValidHeader(int packetHeader) {
byte[] packetHeaderBuf = new byte[2];
packetHeaderBuf[0] = (byte) ((packetHeader >> 24) & 0xFF);
packetHeaderBuf[1] = (byte) ((packetHeader >> 16) & 0xFF);
return checkPacket(packetHeaderBuf);
}
public static byte[] getNewIv(byte[] oldIv) {
byte[] in = {(byte) 0xf2, 0x53, (byte) 0x50, (byte) 0xc6};
for (int x = 0; x < 4; x++) {
funnyShit(oldIv[x], in);
}
return in;
}
@Override
public String toString() {
return "IV: " + HexTool.toString(this.iv);
}
private static byte[] funnyShit(byte inputByte, byte[] in) {
byte elina = in[1];
byte anna = inputByte;
byte moritz = funnyBytes[(int) elina & 0xFF];
moritz -= inputByte;
in[0] += moritz;
moritz = in[2];
moritz ^= funnyBytes[(int) anna & 0xFF];
elina -= (int) moritz & 0xFF;
in[1] = elina;
elina = in[3];
moritz = elina;
elina -= (int) in[0] & 0xFF;
moritz = funnyBytes[(int) moritz & 0xFF];
moritz += inputByte;
moritz ^= in[2];
in[2] = moritz;
elina += (int) funnyBytes[(int) anna & 0xFF] & 0xFF;
in[3] = elina;
int merry = ((int) in[0]) & 0xFF;
merry |= (in[1] << 8) & 0xFF00;
merry |= (in[2] << 16) & 0xFF0000;
merry |= (in[3] << 24) & 0xFF000000;
int ret_value = merry;
ret_value = ret_value >>> 0x1d;
merry = merry << 3;
ret_value = ret_value | merry;
in[0] = (byte) (ret_value & 0xFF);
in[1] = (byte) ((ret_value >> 8) & 0xFF);
in[2] = (byte) ((ret_value >> 16) & 0xFF);
in[3] = (byte) ((ret_value >> 24) & 0xFF);
return in;
}
}

80
src/main/java/tools/MapleLogger.java
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@@ -1,80 +0,0 @@
/*
This file is part of the OdinMS Maple Story Server
Copyright (C) 2008 ~ 2010 Patrick Huy <patrick.huy@frz.cc>
Matthias Butz <matze@odinms.de>
Jan Christian Meyer <vimes@odinms.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation. You may not use, modify
or distribute this program under any other version of the
GNU Affero General Public License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package tools;
import java.util.HashSet;
import java.util.Set;
import net.opcodes.RecvOpcode;
import client.MapleCharacter;
import client.MapleClient;
/**
* Logs packets to console and file.
*
* @author Alan (SharpAceX)
*/
public class MapleLogger {
public static Set<Integer> monitored = new HashSet<>();
public static Set<Integer> ignored = new HashSet<>();
public static void logRecv(MapleClient c, short packetId, Object message) {
MapleCharacter chr = c.getPlayer();
if (chr == null){
return;
}
if (!monitored.contains(chr.getId())){
return;
}
RecvOpcode op = getOpcodeFromValue(packetId);
if (isRecvBlocked(op)){
return;
}
String packet = op.toString() + "\r\n" + HexTool.toString((byte[]) message);
FilePrinter.printError(FilePrinter.PACKET_LOGS + c.getAccountName() + "-" + chr.getName() + ".txt", packet);
}
private static final boolean isRecvBlocked(RecvOpcode op){
switch(op){
case MOVE_PLAYER:
case GENERAL_CHAT:
case TAKE_DAMAGE:
case MOVE_PET:
case MOVE_LIFE:
case NPC_ACTION:
case FACE_EXPRESSION:
return true;
default:
return false;
}
}
private static final RecvOpcode getOpcodeFromValue(int value){
for (RecvOpcode op : RecvOpcode.values()){
if (op.getValue() == value){
return op;
}
}
return null;
}
}

2
src/main/java/tools/MaplePacketCreator.java
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@@ -36,7 +36,7 @@ import constants.inventory.ItemConstants;
import constants.skills.Buccaneer;
import constants.skills.Corsair;
import constants.skills.ThunderBreaker;
import net.netty.InitializationVector;
import net.encryption.InitializationVector;
import net.opcodes.SendOpcode;
import net.server.PlayerCoolDownValueHolder;
import net.server.Server;