samp-re/nethandler.c

/* vim: set filetype=c ts=8 noexpandtab: */

#include "common.h"
#include "bitstream.h"
#include "rakpeer.h"
#include "processnetworkpacket.h"
#include "uncompress.h"
#include "rangelist_deserialize.h"
#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

void simple_redir_call(void *address, void *newtarget)
{
	DWORD oldvp;

	VirtualProtect(address, 4, PAGE_EXECUTE_READWRITE, &oldvp);
	*(int*) address = (int) newtarget - ((int) address + 4);
}

void nethandler_init()
{
	simple_redir_call(UNCOMPRESS_TARGET, uncompress_main);
	simple_redir_call(RP_PARSE_NETWORK_PACKET, ProcessNetworkPacket);
	simple_redir_call(RP_PARSE_CONNECTION_REQ,
		RakPeer__ParseConnectionRequestPacket);
	//simple_redir_call((void*) 0x45F951, RangeList__Deserialize_hooked);
	simple_redir_call((void*) 0x45E2EF, Hooked_BitStream__ReadCompressed);
}