Thread: Unicode Help

Hi, im writing a packet analzyer and well I got some progress. Then I realized I was not getting anywere with it.


It listens to the server and gets a packet. Ill put a //***HERE*** in the code when it STOPS working.

Code:

// Standard Includes
#include <iostream>
#include <winsock.h>
#include <stdio.h>
#include "packets.h"
using namespace std;
//
// ----> Main Program Function (REQUIRED)
//

void PacketDisplay(char *buf,int iBytesSent);

int main()
{
	SOCKET		skSocket;
	sockaddr_in saServerAddress;
	int			iPort = 2593,iStatus;
	WSADATA		wsaData;
	WORD		wVersionRequested;
	LPHOSTENT	lpHost;
	char		szHost[128];
	char		szSendBuffer[256];
    char szRecvBuffer[32768];
	int			iBytesSent;
	int			iBytesReceived;
	//Ricks ........
	int i;
	stLogin LoginPacket = { 0 };
	stHuepacket HuePacket = { 0 };
	stServerSelect ServerSelect = {0};
	stGameLogin GameLogin = {0};
	stServerKey ServerKey = {0};
	stGeneric GenericPacket = {0};
	stCharacterSelect CharacterSelect = {0};
	stTalkRequest TalkRequest = {0};
	stMoveRequest MoveRequest = {0};
	stMoveRejected MoveRejected = {0};
	stRedirect Redirect = {0};
	MoveRequest.cmd = 2;
	MoveRequest.direction = 2;
	MoveRequest.sequence = 125;
    
	int iBytesRecv = 0;
  
    TalkRequest.cmd.cmd = 0xAD;
	//00 26 00 00 26 00 03
	TalkRequest.exact[1] = 0x00;
	TalkRequest.exact[2] = 0x26;
	TalkRequest.exact[3] = 0x00;
	TalkRequest.exact[4] = 0x00;
	TalkRequest.exact[5] = 026;
	TalkRequest.exact[6] = 0x00;
	TalkRequest.exact[7] = 0x03;
	//00 48 00
    TalkRequest.Unkown1[1] = 0x00;
	TalkRequest.Unkown1[2] = 0x48;
	TalkRequest.Unkown1[3] = 0x00;
	/*TalkRequest.size = 0x0026;
	TalkRequest.type = 0x00;
	TalkRequest.color = 0x0026;
	TalkRequest.font = 0x0003;*/
	char Languages[4] = "ENU";
	char msgs[30] = "HELLO WORLD";

	strcpy(TalkRequest.msg,msgs);
	strcpy(TalkRequest.Language,Languages);

	GameLogin.cmd.cmd = 0x91;

	ServerSelect.One = 160;

	HuePacket.One = 192;
	HuePacket.Two = 168;
	HuePacket.Thee = 1;
	HuePacket.Four = 103;

	char OverflowMainLogin[62];
	char OverflowHue[4];
	char OverflowServerSelect[3];
	char OverflowLogin[35];
	char OverflowCharSelect[73];
	char OverflowTalkRequest[42];
	char OverflowMove[7];

	char RecvBuffer[40];
    char DataPacketiP[4];
	char Uname[30] = "Name";
	char Pword[30] = "Password";
	char CharName[30] = "Rhy";
	sprintf(szHost,"192.168.1.103");

	CharacterSelect.cmd = 93;
	

	LoginPacket.i = 128;
	LoginPacket.Unkown1 = 93;

	strcpy(LoginPacket.Username,Uname);
	strcpy(LoginPacket.Password,Pword);

	strcpy(CharacterSelect.CharName,CharName);

	strcpy(GameLogin.Username,Uname);
	strcpy(GameLogin.Password,Pword);
    //Ricks ........ end

	// Init the host value, change this IP to whatever valid IP you wish
	
    
	// Tell WinSock we want version 2
	wVersionRequested = MAKEWORD( 2, 0 );

	// Initialize the socket handle
	skSocket = INVALID_SOCKET;

	// Startup WinSock
	iStatus = WSAStartup( wVersionRequested, &wsaData );

	// Create the socket
	skSocket = socket( AF_INET, SOCK_STREAM, 0 );
	
	// Check if there was an error
	if( skSocket == INVALID_SOCKET ) {
		cout << "**ERROR** Could Not Create Socket" << endl;
		// Clean up WinSock
		WSACleanup();
		exit(1);
	}

	cout << "<-- SOCKET CREATED -->" << endl;

	// Initialize the server address data structure
	memset(&saServerAddress,0,sizeof(sockaddr_in));
	// Set this by default
	saServerAddress.sin_family = AF_INET;
	// Load the IP Address
	saServerAddress.sin_addr.s_addr = inet_addr(szHost);

	// If the host specified is not an IP Address we must look up the value
	if( saServerAddress.sin_addr.s_addr == INADDR_NONE )
	{
		cout << "<-- LOOKING UP HOST IP -->" << endl;
		// Get the host name
		lpHost = gethostbyname(szHost);
		// Check if we got something back
		if (lpHost != NULL) {
			// Load the server address with the host information
			saServerAddress.sin_addr.s_addr = ((LPIN_ADDR)lpHost->h_addr)->s_addr;
		}
		else {
			cout << "**ERROR** Could Not Locate Host" << endl;
			// Clean up WinSock
			WSACleanup();
			exit(1);
		}
	}

	// Set the Server Port
	saServerAddress.sin_port = htons(iPort);
	// Attempt to connect to the server
	iStatus = connect(skSocket, (struct sockaddr*)&saServerAddress,sizeof(sockaddr));
	
	// Check if there was an error
	if( iStatus == SOCKET_ERROR ) {
		cout << "**ERROR** Could Not Connect To Server" << endl;
		// Clean up WinSock
		WSACleanup();
		exit(1);
	}

	cout << "<-- CONNECTED TO SERVER -->" << endl;
    
	// Load the data to send
	// Send the HTTP Request
	    memcpy(OverflowMainLogin,&LoginPacket,sizeof(stLogin));
		memcpy(OverflowHue,&HuePacket,sizeof(stHuepacket));
		//memcpy(OverflowLogin,&GameLogin,sizeof(stGameLogin));
		memcpy(OverflowCharSelect,&CharacterSelect,sizeof(stCharacterSelect));
		memcpy(OverflowServerSelect,&ServerSelect,sizeof(stServerSelect));
		memcpy(OverflowTalkRequest,&TalkRequest,sizeof(TalkRequest));


	iBytesSent = send(skSocket,OverflowHue,sizeof(OverflowHue),0);

	cout << "<-- SENT " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowHue,	iBytesSent);

	iBytesSent = send(skSocket,OverflowMainLogin,sizeof(OverflowMainLogin),0);

	cout << "<-- SENT " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowMainLogin,	iBytesSent);
	// Wait for incoming data

	iBytesReceived = recv(skSocket,szRecvBuffer,32768,0);

	cout << "<-- RECEIVED " << iBytesReceived << " BYTES -->" << endl;
     memcpy(&GenericPacket,szRecvBuffer,sizeof(stGeneric));
	// Output the data received
     PacketDisplay(szRecvBuffer,iBytesReceived);

	// Close the socket
 
	iBytesSent = send(skSocket,OverflowServerSelect,sizeof(stServerSelect),0);
	cout << "<-- SENT " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowServerSelect,	iBytesSent);
   
	system("pause");

	iBytesReceived = recv(skSocket,szRecvBuffer,32768,0);
    cout << "<-- RECEIVED REDIRECT " << iBytesReceived << " BYTES -->" << endl;
	memcpy(&Redirect,szRecvBuffer,sizeof(stRedirect));
	PacketDisplay(szRecvBuffer,iBytesReceived);
    
	GameLogin.key[0] = Redirect.key[0];
	GameLogin.key[1] = Redirect.key[1];
	GameLogin.key[2] = Redirect.key[2];
	GameLogin.key[3] = Redirect.key[3];
     
	memcpy(OverflowLogin,&GameLogin,sizeof(stGameLogin));
	iBytesSent = send(skSocket,OverflowLogin,sizeof(stGameLogin),0);
	cout << "<-- SENT " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowLogin,	iBytesSent);
   system("pause");
	iBytesReceived = recv(skSocket,szRecvBuffer,32768,0);
    cout << "<-- RECEIVED " << iBytesReceived << " BYTES -->" << endl;
     
	system("pause");

	iBytesSent = send(skSocket,OverflowCharSelect,sizeof(stCharacterSelect),0);
	cout << "<-- SENT " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowCharSelect,	iBytesSent);

    //****HERE**** packets no longer make sence.
    int Wait = 0;
	while( Wait != 1){
           	iBytesReceived = recv(skSocket,szRecvBuffer,32768,0);
			 cout << "BYTES " << iBytesSent << endl;
			 memcpy(&GenericPacket,szRecvBuffer,sizeof(stGeneric));
			 cout << " Packet Id: " << hex<<unsigned short(szRecvBuffer[0]) << endl;
			PacketDisplay(szRecvBuffer,iBytesReceived);

			if(int(unsigned char(szRecvBuffer[0])) == 0xBF)
			{
				PacketDisplay(szRecvBuffer,iBytesReceived);
				Wait = 1;
			}
	}


    system("pause");
	closesocket(skSocket);
	cout << "< CLOSED SOCKET > " << endl;

	// Clean up WinSock
	WSACleanup();
	cout << "< CLEANED UP WSA > " << endl;
   
	return EXIT_SUCCESS;
	
}




void PacketDisplay(char *buf,int iBytesSent)
{
	int i;
   
	for(i=1;i<iBytesSent;i++)
	{
		if(buf[i] == 0)
		{
	cout << "00" << " ";
		}
		else
		{

	cout << hex<<int(unsigned char(buf[i])) << " ";
		}
	}
	cout << endl;
   /*cout<< "In Chars" << endl;
    cout << " Packet Id: " << unsigned char(buf[0]) << endl;
	for(i=0;i<iBytesSent;i++)
	{
		if(buf[i] == 0)
		{
	cout << "00" << " ";
		}
		else
		{

	cout << unsigned char(buf[i]) << " ";
		}
	}
	cout << endl;*/

}



/*iBytesReceived = 0;
	while(iBytesReceived == 0){
	iBytesReceived = recv(skSocket,szRecvBuffer,32768,0);
    cout << "<-- RECEIVED " << iBytesReceived << " BYTES -->" << endl;
	cout << "Packet Id: " << int(szRecvBuffer[0]) << endl;
	for(i=1;i<iBytesReceived;i++)
	{
	cout << szRecvBuffer[i] << " ";
	}
	cout << endl;
	}
	cout  << "< Finish Loop >" << endl;*/ 
/*memcpy(OverflowMove,&MoveRequest,sizeof(stMoveRequest));
	iBytesSent = send(skSocket,OverflowMove,sizeof(stMoveRequest),0);
	cout << "<-- SENT MOVE " << iBytesSent << " BYTES -->" << endl;

	system("pause");
	iBytesSent = send(skSocket,OverflowTalkRequest,sizeof(stTalkRequest),0);
	cout << "<-- SENT TALK " << iBytesSent << " BYTES -->" << endl;
	PacketDisplay(OverflowTalkRequest,iBytesSent);*/

and the packet.h

Code:

class header
{
public:
	unsigned char cmd;
};
class stGeneric
{
public:
header cmd;
unsigned char msg[100];
};

class stRedirect
{
public:
header cmd;
unsigned char IP[4];
unsigned char port[2];
unsigned char key[4];
};
class stMoveRejected
{
public:
header cmd;
char sequence;
short int xLoc[2];
short int yLoc[2];
char direction;
char zLoc;
};
struct stLogin
{
 unsigned char i;
 char Username[30];
 char Password[30];
 char Unkown1;
};
struct stCharacterSelect
{
	unsigned char cmd;
	char CharName[30];
	char Unkown[42];
};
struct stHuepacket
{
unsigned char One;
 unsigned char Two;
 unsigned char Thee;
 unsigned char Four;
};
struct stServerSelect
{
 unsigned char One;
 char Two;
 char Thee;
};
struct stGameLogin
{
 header cmd;
 unsigned char key[4];
 char Username[30];
 char Password[30];
};
struct stServerKey
{
unsigned char cmd;
char ip[4];
char port[2];
char keyb1;
char keyb2;
char keyb3;
char keyb4;
};
struct stTalkRequest
{
header cmd;
//short int size;
//unsigned char type;
//short int color;
//short int font;
unsigned char exact[7];
char Language[4];
unsigned char Unkown1[3];
char msg[30];
};
struct stMoveRequest
{
unsigned char cmd;
unsigned char direction;
unsigned char sequence;
char key[4];
};
struct stRecvBuffer
{
char szRecvBuffer[32768];
};

Now the reason I know the packet is weird is this.

Here is an example of a WORKING packet logger

Code:

15:03:20.7968: Server -> Client 0xAE (Length: 72)
        0  1  2  3  4  5  6  7   8  9  A  B  C  D  E  F
       -- -- -- -- -- -- -- --  -- -- -- -- -- -- -- --
0000   AE 00 48 00 00 09 2F 01  90 00 00 26 00 03 45 4E   ..H.../....&..EN
0010   55 00 52 68 79 6D 65 73  00 00 00 00 00 00 00 00   U.Rhymes........
0020   00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00   ................
0030   00 48 00 65 00 6C 00 6C  00 6F 00 20 00 57 00 6F   .H.e.l.l.o. .W.o
0040   00 72 00 6C 00 64 00 00                             .r.l.d..

Here is an output of what I think is the same packet

Code:

BYTES 49
 Packet Id: 78 //Just the first item in th character array and a2 is second
a2 1c 18 9f 3f ae 6 b8 68 8f f7 22 b aa 3 3b 7 cb b0 00 00 00 00 00 00 87 3c 8d
43 51 e0 b4 b9 1e 8 63 51 c8 1a

So the problem is my logger. It logs into the server, I can see on the server hes logged in. Im just not sure why my packets get so fubar when it makes it in game.

Thankyou

its just learning proccess. I could split it all up but I would loose focus