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/*
* xfirelib - C++ Library for the xfire protocol.
* Copyright (C) 2006 by
* Beat Wolf <asraniel@fryx.ch> / http://gfire.sf.net
* Herbert Poul <herbert.poul@gmail.com> / http://goim.us
* http://xfirelib.sphene.net
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "stdafx.h"
#include "clientloginpacket.h"
#include "xfireutils.h"
#include "SHA1.h"
#include <string.h>
#include <iostream>
#include "baseProtocol.h"
using namespace std;
namespace xfirelib
{
int ClientLoginPacket::getPacketContent(char *packet)
{
int index = 0;
/*Username*/
index = XFireUtils::addAttributName(packet, index, "name");/*add username attribute*/
packet[index] = 0x01;
packet[index + 1] = (char)m_name.length();
packet[index + 2] = 0x00;
index += 3;
std::copy(m_name.begin(), m_name.end(), packet + index);
index += m_name.size();
/*Crypted Password*/
unsigned char pass[41];
pass[40] = 0x00;
cryptPassword(pass);
index = XFireUtils::addAttributName(packet, index, "password");/*add username attribute*/
packet[index] = 0x01;
packet[index + 1] = (char)40;
packet[index + 2] = 0x00;
index += 3;
memcpy(packet + index, pass, 40);
index += 40;
VariableValue val;
val.setName("flags");
index += val.writeName(packet, index);
packet[index++] = 0x02;
packet[index++] = 0x00;
packet[index++] = 0x00;
packet[index++] = 0x00;
packet[index++] = 0x00;
val.setName("sid");
index += val.writeName(packet, index);
packet[index++] = 0x03;
for (int i = 0; i < 16; i++) {
packet[index++] = 0x0;
}
m_length = index;
return index;
}
int ClientLoginPacket::getPacketAttributeCount()
{
return 3;
}
void ClientLoginPacket::cryptPassword(unsigned char *crypt)
{
std::string total;
char temp[81];
CSHA1 sha1;
total = m_name + m_password + "UltimateArena";
hashSha1(total.c_str(), crypt);
memcpy(temp, crypt, 40);
memcpy(temp + 40, m_salt->getValue(), 40);
temp[80] = 0x00;
hashSha1(temp, crypt);
}
/*give string and you will get the hash*/
void ClientLoginPacket::hashSha1(const char *string, unsigned char *sha)
{
char result[41];
unsigned char temp[1024];
CSHA1 sha1;
sha1.Reset();
sha1.Update((UINT_8 *)string, mir_strlen(string));
sha1.Final();
sha1.GetHash(temp);
result[0] = 0;
char szTemp[16];
for (int i = 0; i < 20; i++) {
mir_snprintf(szTemp, "%02x", temp[i]);
mir_strcat(result, szTemp);
}
memcpy(sha, result, 40);
sha[40] = 0x00;
}
}
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