/* Plugin generated by AMXX-Studio */

#include <amxmodx>
#include <okapi>

#define voidfunc "SV_CheckForDuplicateNames"
#define voidfunc_in_connect "SV_ConnectClient"
#define console_max 0xff

#define PLUGIN "SV_CheckForDuplicateNames_fix"
#define VERSION "1.0.8"
#define AUTHOR "SkillartzHD"

new SV_CheckForDuplicateNames_win[] = {
	0x55,0x8B,0xEC,0x83,0xEC,0xDEF,0x56,0x57,0xDEF,0xDEF,
	0xDEF,0x68,0xDEF,0x56,0xDEF,0xDEF,0x57,0xDEF,0x45,0xDEF,
	0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,0x45,0xDEF,0xDEF,0xDEF,
	0xDEF,0xDEF,0xDEF
}
new SV_CheckForDuplicateNames_win3[] = {
	0x55,0x8B,0xEC,0x83,0xDEF,0x58,0x53,0x56,0x57,0x33,0xDEF,
	0x89,0x55,0xDEF,0x68,0xDEF,0xDEF,0xDEF,0xDEF,0x51,0x89,
	0xDEF,0xDEF,0xDEF,0x45,0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,0x89,0x45
}
new SV_CheckForDuplicateNames_win2[] = {
	0x55,0x8B,0xEC,0x83,0xDEF,0x48,0xDEF,0x45,0xDEF,0x53,0x56,0x57,
	0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,0x68,0x38,0xDEF,0xDEF,
	0xDEF,0x53,0xDEF,0x45,0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,0xDEF
}

new SV_ConnectClient[] = {
	0x55,0x8B,0xEC,0x81,0xDEF,0xDEF,0xDEF,0xDEF,0xDEF,
	0x53,0x56,0x57,0xB9,0x05,0x00,0x00,0x00,0xBE,0xDEF,
	0xDEF,0xDEF,0xDEF,0x8D,0xDEF,0xDEF,0x33,0xDB,0x68,
	0xDEF,0xDEF,0xDEF,0xDEF
}

public plugin_precache() {
	
	register_plugin(PLUGIN, VERSION, AUTHOR)
	
	new LogPlugin[0xFF],LogPluginError[0xFF]
	formatex(LogPlugin,charsmax(LogPlugin),"%s Functia a primit hook cu succes",PLUGIN)
	formatex(LogPluginError,charsmax(LogPluginError),"%s n-am gasit functia",PLUGIN)
	
	
	if(is_linux_server()){
		
		new linux_void2 = okapi_engine_get_symbol_ptr(voidfunc_in_connect)
		
		new linux = okapi_engine_get_symbol_ptr(voidfunc)
		
		if(linux_void2){
			okapi_add_hook(okapi_build_function(linux_void2,arg_string,arg_int,arg_int),voidfunc)
			server_print("%s [linux] [SV_ConnectClient] ",LogPlugin)
		}
		else{
			server_print("%s [linux] [SV_ConnectClient] ",LogPluginError)
		}
		
		if(linux){
			okapi_add_hook(okapi_build_function(linux,arg_string,arg_int,arg_int),voidfunc)
			server_print("%s [linux] [SV_CheckForDuplicateNames]",LogPlugin)
		}
		else{
			server_print("%s [linux] [SV_CheckForDuplicateNames]",LogPluginError)
		}
	}
	else{
		new connect = okapi_engine_find_sig(SV_ConnectClient,charsmax(SV_ConnectClient))
		
		new win_oldbuild = okapi_engine_find_sig(SV_CheckForDuplicateNames_win,charsmax(SV_CheckForDuplicateNames_win))
		
		new win_newbuild = okapi_engine_find_sig(SV_CheckForDuplicateNames_win2,charsmax(SV_CheckForDuplicateNames_win2))
		
		new win_rehlds = okapi_engine_find_sig(SV_CheckForDuplicateNames_win3,charsmax(SV_CheckForDuplicateNames_win3))
		
		if(connect){
			okapi_add_hook(okapi_build_function(connect,arg_int),"SV_ConnectClient_Hook")
			server_print("%s [windows] [SV_ConnectClient] ",LogPlugin)
		}
		
		if(win_oldbuild){
			okapi_add_hook(okapi_build_function(win_oldbuild,arg_string,arg_int,arg_int),voidfunc)
			server_print("%s [windows] [SV_CheckForDuplicateNames] ",LogPlugin)
		}
		else if(win_newbuild){
			okapi_add_hook(okapi_build_function(win_newbuild,arg_string,arg_int,arg_int),voidfunc)
			server_print("%s [windows] [SV_CheckForDuplicateNames]",LogPlugin)
		}
		else if(win_rehlds){
			okapi_add_hook(okapi_build_function(win_rehlds,arg_string,arg_int,arg_int),voidfunc)
			server_print("%s [windows] [SV_CheckForDuplicateNames]",LogPlugin)
		}
		else{
			server_print("%s [windows] [SV_CheckForDuplicateNames]",LogPluginError)
		}
	}
}
public SV_CheckForDuplicateNames(userinfo[],bIsReconnecting,nExcludeSlot){
	if(IsInvalidFunction(1," Your userinfo is invalid")){
		return okapi_ret_supercede
	}
	return okapi_ret_ignore
}

public SV_ConnectClient_Hook()
{
	if(IsInvalidFunction(2,"userinfo")){
		return okapi_ret_supercede
	}
	return okapi_ret_ignore
}
stock IsInvalidFunction(functioncall,stringexit[]){
	if(okapi_engine_find_string("(%d)%-0.*s")){
		
		new GetInvalid[0x78]
		BufferName(Argv4(),0x5DC,GetInvalid)
		
		if(functioncall == 1)
		{
			if(containi(Argv4(),"^x22")!=-0x01 || containi(Argv4(),"^x2E^x2E")!=-0x01 ||
			containi(Argv4(),"^x5C")!=-0x01 || containi(Argv4(),"^x2E^x20")!=-0x01 || 
			containi(Argv4(),"^x63^x6F^x6E^x73^x6F^x6C^x65")!=-0x01) {
				replace(GetInvalid,31,"^x2E","")
				server_cmd("^x6B^x69^x63^x6B^x20^x25^x73^x22 ^x25^x73",GetInvalid,stringexit)
				server_cmd("^x6B^x69^x63^x6B^x20^x25^x73^x2e ^x25^x73",GetInvalid,stringexit)
				server_cmd("^x6B^x69^x63^x6B^x20^x75^x6E^x6E^x61^x6D^x65^x64^x20^x25^x73",stringexit)
				server_cmd("^x6B^x69^x63^x6B^x20^x75^x6E^x61^x6D^x65^x64^x20^x25^x73",stringexit)
				return 1
			}
		}
		if(functioncall == 2){
			new checkduplicate[255]
			formatex(checkduplicate,charsmax(checkduplicate),"^x25^x73^x5C^x6E^x61^x6D^x65^x5C",GetInvalid)
			if(containi(Argv4(), checkduplicate) != -1){
				log_amx("%s : user ^"%s^" used many string ^"\name\^"",voidfunc_in_connect,GetInvalid)
				return 1
			}
		}
	}
	return 0
}

stock Argv4(){
	new text[console_max]
	read_argv(0x04,text,charsmax(text))
	return text
}

stock BufferName(info[],size,name[],size_name = 0x1F)
{
	new heh = 0x00;
	if ((heh = containi(info, "^x5C^x6E^x61^x6D^x65^x5C") ) != -1){
		heh += 0x06;
		new len = 0x00;
		while(info[heh] != '\' && info[heh] != '"' && len < size_name && heh < size)
			name[len++] = info[heh++];
		name[len] = EOS;
	}
	else{
		name[0x00] = EOS;
	}
}