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l4d2_lilac.sp
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/*
Little Anti-Cheat
Copyright (C) 2018-2020 J_Tanzanite
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <sourcemod>
#include <sdktools_engine>
#undef REQUIRE_PLUGIN
#undef REQUIRE_EXTENSIONS
#tryinclude <materialadmin>
#tryinclude <sourcebanspp>
#include <tf2>
#include <tf2_stocks>
#define VERSION "1.5.0"
#define CMD_LENGTH 330
#define GAME_UNKNOWN 0
#define GAME_TF2 1
#define GAME_CSGO 2
#define GAME_DODS 3
#define GAME_L4D2 4
#define GAME_L4D 5
#define CHEAT_ANGLES 0
#define CHEAT_CHATCLEAR 1
#define CHEAT_CONVAR 2
#define CHEAT_NOLERP 3
#define CHEAT_BHOP 4
#define CHEAT_AIMBOT 5
#define CHEAT_AIMLOCK 6
#define CHEAT_MAX 7
#define CVAR_ENABLE 0
#define CVAR_WELCOME 1
#define CVAR_SB 2
#define CVAR_MA 3
#define CVAR_LOG 4
#define CVAR_LOG_EXTRA 5
#define CVAR_LOG_MISC 6
#define CVAR_LOG_DATE 7
#define CVAR_BAN 8
#define CVAR_BAN_LENGTH 9
#define CVAR_ANGLES 10
#define CVAR_PATCH_ANGLES 11
#define CVAR_CHAT 12
#define CVAR_CONVAR 13
#define CVAR_NOLERP 14
#define CVAR_BHOP 15
#define CVAR_AIMBOT 16
#define CVAR_AIMBOT_AUTOSHOOT 17
#define CVAR_AIMLOCK 18
#define CVAR_AIMLOCK_LIGHT 19
#define CVAR_BACKTRACK_PATCH 20
#define CVAR_MAX_PING 21
#define CVAR_MAX_LERP 22
#define CVAR_LOSS_FIX 23
#define CVAR_MAX 24
#define ACTION_SHOT 1
#define QUERY_MAX_FAILURES 24
#define QUERY_TIMEOUT 30
#define QUERY_TIMER 5.0
#define AIMLOCK_BAN_MIN 5
#define AIMBOT_BAN_MIN 5
#define AIMBOT_MAX_TOTAL_DELTA (180.0 * 2.5)
#define AIMBOT_FLAG_REPEAT (1 << 0)
#define AIMBOT_FLAG_AUTOSHOOT (1 << 1)
#define AIMBOT_FLAG_SNAP (1 << 2)
#define AIMBOT_FLAG_SNAP2 (1 << 3)
// Convars.
Handle cvar_bhop = null;
Handle cvar[CVAR_MAX];
int icvar[CVAR_MAX];
int sv_cheats = 0;
int time_sv_cheats = 0;
int cvar_bhop_value = 0;
int sv_maxupdaterate = 0;
// Banlength overwrite.
int ban_length_overwrite[CHEAT_MAX];
// Misc.
int ggame;
char line[2048];
char dateformat[512] = "%Y/%m/%d %H:%M:%S";
float max_angles[3] = {89.01, 0.0, 50.01};
Handle forwardhandle = INVALID_HANDLE;
Handle forwardhandleban = INVALID_HANDLE;
Handle forwardhandleallow = INVALID_HANDLE;
bool sourcebans_exist = false;
bool materialadmin_exist = false;
// Logging.
int playerinfo_index[MAXPLAYERS + 1];
int playerinfo_tickcount[MAXPLAYERS + 1];
int playerinfo_buttons[MAXPLAYERS + 1][CMD_LENGTH];
int playerinfo_actions[MAXPLAYERS + 1][CMD_LENGTH];
int playerinfo_autoshoot[MAXPLAYERS + 1];
int playerinfo_jumps[MAXPLAYERS + 1];
int playerinfo_high_ping[MAXPLAYERS + 1];
int playerinfo_query_index[MAXPLAYERS + 1];
int playerinfo_query_failed[MAXPLAYERS + 1];
int playerinfo_aimlock_sus[MAXPLAYERS + 1];
int playerinfo_aimlock[MAXPLAYERS + 1];
int playerinfo_aimbot[MAXPLAYERS + 1];
int playerinfo_bhop[MAXPLAYERS + 1];
float playerinfo_time_teleported[MAXPLAYERS + 1];
float playerinfo_time_aimlock[MAXPLAYERS + 1];
float playerinfo_time_backtrack[MAXPLAYERS + 1];
float playerinfo_time_process_aimlock[MAXPLAYERS + 1];
float playerinfo_angles[MAXPLAYERS + 1][CMD_LENGTH][3];
float playerinfo_time_usercmd[MAXPLAYERS + 1][CMD_LENGTH];
bool playerinfo_banned_flags[MAXPLAYERS + 1][CHEAT_MAX];
bool playerinfo_ignore_lerp[MAXPLAYERS + 1];
// Basic query list.
char query_list[][] = {
"sv_cheats",
"r_drawothermodels",
"mat_wireframe",
"snd_show",
"snd_visualize",
"mat_proxy",
"r_drawmodelstatsoverlay",
"r_shadowwireframe",
"r_showenvcubemap",
"r_drawrenderboxes",
"r_modelwireframedecal"
};
public Plugin:myinfo = {
name = "小反作弊",
author = "J_Tanzanite",
description = "An opensource Anti-Cheat.",
version = VERSION,
url = ""
};
public void OnPluginStart()
{
Handle tcvar;
char gamefolder[32];
LoadTranslations("lilac.phrases.txt");
GetGameFolderName(gamefolder, sizeof(gamefolder));
if (StrEqual(gamefolder, "tf", false)) {
ggame = GAME_TF2;
HookEvent("player_teleported",
event_teleported, EventHookMode_Post);
}
else if (StrEqual(gamefolder, "csgo", false)) {
ggame = GAME_CSGO;
// Pitch Anti-Aim doesn't work for CSGO anymore,
// but horrible cheats may still attempt it.
// max_angles = Float:{0.0, 0.0, 50.01};
if ((cvar_bhop = FindConVar("sv_autobunnyhopping")) != null) {
cvar_bhop_value = GetConVarInt(cvar_bhop);
HookConVarChange(cvar_bhop, cvar_change);
}
else {
// We weren't able to get the cvar,
// disable bhop checks just in case.
cvar_bhop_value = 1;
PrintToServer("[Lilac] Unable to to find convar \"sv_autobunnyhopping\", bhop checks have been forcefully disabled.");
}
}
else if (StrEqual(gamefolder, "left4dead2", false)) {
ggame = GAME_L4D2;
// Pitch AA isn't really used much in L4D2 afaik, plus,
// like larrybrains reported, causes false positives for
// the infected team memeber smoker.
// Thanks to Larrybrains for reporting this!
max_angles = Float:{0.0, 0.0, 50.01};
}
else if (StrEqual(gamefolder, "left4dead", false)) {
ggame = GAME_L4D;
// Same as L4D2, the smoker handles pitch differently it seems.
// Thanks to finishlast for reporting this!
max_angles = Float:{0.0, 0.0, 50.01};
}
else if (StrEqual(gamefolder, "dod", false)) {
ggame = GAME_DODS;
}
else {
ggame = GAME_UNKNOWN;
PrintToServer("[Lilac] This game currently isn't supported, Little Anti-Cheat will still run, but expect some bugs and false positives/bans!");
}
if (ggame == GAME_TF2)
HookEvent("player_death",
event_player_death_tf2, EventHookMode_Pre);
else
HookEvent("player_death",
event_player_death, EventHookMode_Pre);
HookEvent("player_spawn", event_teleported, EventHookMode_Post);
cvar[CVAR_ENABLE] = CreateConVar("lilac_enable", "1",
"是否开启插件",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_WELCOME] = CreateConVar("lilac_welcome", "0",
"是否显示欢迎信息",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_SB] = CreateConVar("lilac_sourcebans", "1",
"是否使用 Sourcebans 代替默认的 ban，如果未安装则视为0",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_MA] = CreateConVar("lilac_materialadmin", "1",
"是否使用 Material-Admin 代替默认的 ban，如果未安装则视为0",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_LOG] = CreateConVar("lilac_log", "1",
"是否开启日志记录",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_LOG_EXTRA] = CreateConVar("lilac_log_extra", "1",
"是否记录额外的信息.0=关闭.1=只有ban时.2=全部信息",
FCVAR_PROTECTED, true, 0.0, true, 2.0);
cvar[CVAR_LOG_MISC] = CreateConVar("lilac_log_misc", "0",
"是否记录因其他原因导致的kick",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_LOG_DATE] = CreateConVar("lilac_log_date", "{year}/{month}/{day} {hour}:{minute}:{second}",
"日志的时间格式. 输入: \"lilac_date_list\" 查看更多信息.",
FCVAR_PROTECTED, false, 0.0, false, 0.0);
cvar[CVAR_BAN] = CreateConVar("lilac_ban", "1",
"是否开启 ban 功能。除非在测试效果，否则不要设置为 0",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_BAN_LENGTH] = CreateConVar("lilac_ban_length", "0",
"ban 持续时间.0=无限",
FCVAR_PROTECTED, true, 0.0, false, 0.0);
cvar[CVAR_ANGLES] = CreateConVar("lilac_angles", "1",
"检测角度",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_PATCH_ANGLES] = CreateConVar("lilac_angles_patch", "1",
"检测 patch 角度",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_CHAT] = CreateConVar("lilac_chatclear", "1",
"检测聊天清理",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_CONVAR] = CreateConVar("lilac_convar", "0",
"检测错误 ConVars.",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_NOLERP] = CreateConVar("lilac_nolerp", "1",
"检测 NoLerp.",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_BHOP] = CreateConVar("lilac_bhop", "2",
"检测 BHop.0=禁用.1=检测10次.2=检测5次",
FCVAR_PROTECTED, true, 0.0, true, 2.0);
cvar[CVAR_AIMBOT] = CreateConVar("lilac_aimbot", "5",
"检测 Aimbot.0=禁用.1=仅记录.5>=检测指定次数",
FCVAR_PROTECTED, true, 0.0, false, 0.0);
cvar[CVAR_AIMBOT_AUTOSHOOT] = CreateConVar("lilac_aimbot_autoshoot", "1",
"检测 TriggerBot.",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_AIMLOCK] = CreateConVar("lilac_aimlock", "10",
"检测 Aimlock.0=禁用.1=仅记录.5>=检测指定次数",
FCVAR_PROTECTED, true, 0.0, false, 0.0);
cvar[CVAR_AIMLOCK_LIGHT] = CreateConVar("lilac_aimlock_light", "1",
"最多只能处理 5 个 Aimlock.除非出现意外，否则不要禁用它",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_BACKTRACK_PATCH] = CreateConVar("lilac_backtrack_patch", "0",
"修补 Backtrack.0=禁用.1=启用",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
cvar[CVAR_MAX_PING] = CreateConVar("lilac_max_ping", "0",
"禁止延迟超过该值的玩家3分钟.0=关闭",
FCVAR_PROTECTED, true, 0.0, true, 1000.0);
cvar[CVAR_MAX_LERP] = CreateConVar("lilac_max_lerp", "105",
"Kick players with an interp higher than this in ms (minimum possible is 105ms, default value in Source games is 100ms).\nThis is done to patch an exploit in the game that makes facestabbing players in TF2 easier (aka cl_interp 0.5).\n0 = Disabled.\n105+ = Kick larger than this.",
FCVAR_PROTECTED, true, 0.0, true, 510.0); // 500 is max possible.
cvar[CVAR_LOSS_FIX] = CreateConVar("lilac_loss_fix", "1",
"对于 loss 过高的玩家放宽检测",
FCVAR_PROTECTED, true, 0.0, true, 1.0);
for (int i = 0; i < CVAR_MAX; i++) {
if (i != CVAR_LOG_DATE)
icvar[i] = GetConVarInt(cvar[i]);
HookConVarChange(cvar[i], cvar_change);
}
if ((tcvar = FindConVar("sv_maxupdaterate")) != null) {
HookConVarChange(tcvar, cvar_change);
sv_maxupdaterate = GetConVarInt(tcvar);
}
if ((tcvar = FindConVar("sv_cheats")) != null) {
HookConVarChange(tcvar, cvar_change);
sv_cheats = GetConVarInt(tcvar);
}
else {
sv_cheats = 1;
}
for (int i = 0; i < CHEAT_MAX; i++)
ban_length_overwrite[i] = -1;
// If sv_maxupdaterate is changed mid-game and then this plugin
// is loaded, then it could lead to false positives.
// Reset all stats on all players already in-game, but ignore lerp.
for (int i = 1; i <= MaxClients; i++) {
lilac_reset_client(i);
playerinfo_ignore_lerp[i] = true;
}
RegServerCmd("lilac_date_list", lilac_date_list,
"Lists date formatting options", 0);
RegServerCmd("lilac_set_ban_length", lilac_set_ban_length,
"Sets custom ban lengths for specific cheats.", 0);
// Server is using the old config location, execute it.
if (FileExists("cfg/lilac_config.cfg", false, NULL_STRING)) {
AutoExecConfig(true, "lilac_config", "");
}
else {
// Server either just installed Lilac, or wants to use
// the more traditional config folder.
AutoExecConfig(true, "lilac_config", "sourcemod");
}
forwardhandle = CreateGlobalForward("lilac_cheater_detected",
ET_Ignore, Param_Cell, Param_Cell);
forwardhandleban = CreateGlobalForward("lilac_cheater_banned",
ET_Ignore, Param_Cell, Param_Cell);
forwardhandleallow = CreateGlobalForward("lilac_allow_cheat_detection",
ET_Event, Param_Cell, Param_Cell);
CreateTimer(QUERY_TIMER, timer_query, _, TIMER_REPEAT);
CreateTimer(5.0, timer_check_ping, _, TIMER_REPEAT);
CreateTimer(5.0, timer_check_lerp, _, TIMER_REPEAT);
CreateTimer(0.5, timer_check_aimlock, _, TIMER_REPEAT);
if (icvar[CVAR_LOG])
lilac_log_first_time_setup();
}
public void OnAllPluginsLoaded()
{
// Sourcebans compat...
sourcebans_exist = LibraryExists("sourcebans++");
materialadmin_exist = LibraryExists("materialadmin");
// Startup message.
PrintToServer("[Little Anti-Cheat %s] Successfully loaded!", VERSION);
}
public Action lilac_set_ban_length(int args)
{
char feature[32], length[32];
int index = -1;
int time;
if (args < 2) {
PrintToServer("Error: Too few arguments.\n\nUsage:\t\tlilac_set_ban_length <cheat> <minutes>");
PrintToServer("Example:\tlilac_set_ban_length bhop 15\n\nSets bhop ban to 15 minutes.");
PrintToServer("If ban length is -1, then the length will be ConVar lilac_ban_length\n");
PrintToServer("Possible cheat arguments:");
PrintToServer("\tlilac_set_ban_length angles <minutes>");
PrintToServer("\tlilac_set_ban_length chatclear <minutes>");
PrintToServer("\tlilac_set_ban_length convar <minutes>");
PrintToServer("\tlilac_set_ban_length nolerp <minutes>");
PrintToServer("\tlilac_set_ban_length bhop <minutes>");
PrintToServer("\tlilac_set_ban_length aimbot <minutes>");
PrintToServer("\tlilac_set_ban_length aimlock <minutes>\n");
return Plugin_Handled;
}
GetCmdArg(1, feature, sizeof(feature));
if (StrEqual(feature, "angles", false) || StrEqual(feature, "angle", false)) {
index = CHEAT_ANGLES;
}
else if (StrEqual(feature, "chat", false) || StrEqual(feature, "chatclear", false)) {
index = CHEAT_CHATCLEAR;
}
else if (StrEqual(feature, "convar", false) || StrEqual(feature, "cvar", false)) {
index = CHEAT_CONVAR;
}
else if (StrEqual(feature, "nolerp", false)) {
index = CHEAT_NOLERP;
}
else if (StrEqual(feature, "bhop", false) || StrEqual(feature, "bunnyhop", false)) {
index = CHEAT_BHOP;
}
else if (StrEqual(feature, "aimbot", false) || StrEqual(feature, "aim", false)) {
index = CHEAT_AIMBOT;
}
else if (StrEqual(feature, "aimlock", false)) {
index = CHEAT_AIMLOCK;
}
else {
PrintToServer("Error: Unknown cheat feature \"%s\"", feature);
return Plugin_Handled;
}
GetCmdArg(2, length, sizeof(length));
time = StringToInt(length, 10);
if (time < -1)
time = -1;
ban_length_overwrite[index] = time;
return Plugin_Handled;
}
public Action lilac_date_list(int args)
{
PrintToServer("=======[Lilac Date Formatting]=======");
PrintToServer("Manual formatting:");
PrintToServer("\t{raw} = Skips the special formatting listed here");
PrintToServer("\t and lets you insert your own formatting");
PrintToServer("\t (see: http://www.cplusplus.com/reference/ctime/strftime/).");
PrintToServer("Example:\n\t{raw}%%Y/%%m/%%d %%H:%%M:%%S");
PrintToServer("Dates:");
PrintToServer("\t{year} = Numerical year (2020).");
PrintToServer("\t{month} = Numerical month (12).");
PrintToServer("\t{day} = Numerical day (28).");
PrintToServer("Time:");
PrintToServer("\t{hour} = 24 hour format.");
PrintToServer("\t{hours} = 24 hour format.");
PrintToServer("\t{24hour} = 24 hour format.");
PrintToServer("\t{24hours} = 24 hour format.");
PrintToServer("\t{12hour} = 12 hour format.");
PrintToServer("\t{12hours} = 12 hour format.");
PrintToServer("\t{pm} = Insert AM/PM.");
PrintToServer("\t{am} = Insert AM/PM.");
PrintToServer("\t{minute} = Minute.");
PrintToServer("\t{minutes} = Minute.");
PrintToServer("\t{second} = Second.");
PrintToServer("\t{seconds} = Second.");
PrintToServer("Using flags example: {year}/{month}/{day} {hour}:{minute}:{second}");
}
public APLRes AskPluginLoad2(Handle hMyself, bool bLate, char[] sError, int err_max)
{
// Been told this isn't needed, but just in case.
MarkNativeAsOptional("SBPP_BanPlayer");
MarkNativeAsOptional("MABanPlayer");
return APLRes_Success;
}
public void OnLibraryAdded(const char []name)
{
if (StrEqual(name, "sourcebans++"))
sourcebans_exist = true;
else if (StrEqual(name, "materialadmin"))
materialadmin_exist = true;
}
public void OnLibraryRemoved(const char []name)
{
if (StrEqual(name, "sourcebans++"))
sourcebans_exist = false;
else if (StrEqual(name, "materialadmin"))
materialadmin_exist = false;
}
public void cvar_change(ConVar convar, const char[] oldValue,
const char[] newValue)
{
char cvarname[64];
char testdate[512];
// Thanks to MAGNAT2645 for informing me I could do this!
if (view_as<Handle>(convar) == cvar[CVAR_ENABLE]) {
icvar[CVAR_ENABLE] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_WELCOME]) {
icvar[CVAR_WELCOME] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_SB]) {
icvar[CVAR_SB] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_MA]) {
icvar[CVAR_MA] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_LOG]) {
icvar[CVAR_LOG] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_LOG_EXTRA]) {
icvar[CVAR_LOG_EXTRA] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_LOG_MISC]) {
icvar[CVAR_LOG_MISC] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_LOG_DATE]) {
lilac_setup_date_format(newValue);
FormatTime(testdate, sizeof(testdate), dateformat, GetTime());
PrintToServer("Date Format Preview: %s", testdate);
}
else if (view_as<Handle>(convar) == cvar[CVAR_BAN]) {
icvar[CVAR_BAN] = StringToInt(newValue, 10);
if (!icvar[CVAR_BAN])
PrintToServer("[Little Anti-Cheat %s] WARNING: 'lilac_ban' has been set to 0, banning of cheaters has been disabled.", VERSION);
}
else if (view_as<Handle>(convar) == cvar[CVAR_BAN_LENGTH]) {
icvar[CVAR_BAN_LENGTH] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_ANGLES]) {
icvar[CVAR_ANGLES] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_PATCH_ANGLES]) {
icvar[CVAR_PATCH_ANGLES] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_CHAT]) {
icvar[CVAR_CHAT] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_CONVAR]) {
icvar[CVAR_CONVAR] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_NOLERP]) {
icvar[CVAR_NOLERP] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_BHOP]) {
icvar[CVAR_BHOP] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_AIMBOT]) {
icvar[CVAR_AIMBOT] = StringToInt(newValue, 10);
if (icvar[CVAR_AIMBOT] > 1 &&
icvar[CVAR_AIMBOT] < AIMBOT_BAN_MIN)
icvar[CVAR_AIMBOT] = 5;
}
else if (view_as<Handle>(convar) == cvar[CVAR_AIMBOT_AUTOSHOOT]) {
icvar[CVAR_AIMBOT_AUTOSHOOT] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_AIMLOCK]) {
icvar[CVAR_AIMLOCK] = StringToInt(newValue, 10);
if (icvar[CVAR_AIMLOCK] > 1
&& icvar[CVAR_AIMLOCK] < AIMLOCK_BAN_MIN)
icvar[CVAR_AIMLOCK] = 5;
}
else if (view_as<Handle>(convar) == cvar[CVAR_AIMLOCK_LIGHT]) {
icvar[CVAR_AIMLOCK_LIGHT] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_BACKTRACK_PATCH]) {
icvar[CVAR_BACKTRACK_PATCH] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_MAX_PING]) {
icvar[CVAR_MAX_PING] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_MAX_LERP]) {
icvar[CVAR_MAX_LERP] = StringToInt(newValue, 10);
}
else if (view_as<Handle>(convar) == cvar[CVAR_LOSS_FIX]) {
icvar[CVAR_LOSS_FIX] = StringToInt(newValue, 10);
}
else {
GetConVarName(convar, cvarname, sizeof(cvarname));
if (StrEqual(cvarname, "sv_autobunnyhopping", false)) {
cvar_bhop_value = StringToInt(newValue, 10);
}
else if (StrEqual(cvarname, "sv_maxupdaterate", false)) {
sv_maxupdaterate = StringToInt(newValue);
// Changing this convar mid-game can cause false positives.
// Ignore players already in-game.
for (int i = 1; i <= MaxClients; i++)
playerinfo_ignore_lerp[i] = true;
}
else if (StrEqual(cvarname, "sv_cheats", false)) {
sv_cheats = StringToInt(newValue);
// Delay convar checks for 30 seconds.
time_sv_cheats = GetTime() + QUERY_TIMEOUT;
}
}
}
public void OnClientPutInServer(int client)
{
lilac_reset_client(client);
// CreateTimer(20.0, timer_welcome, GetClientUserId(client));
}
void lilac_reset_client(int client)
{
playerinfo_ignore_lerp[client] = false;
playerinfo_index[client] = 0;
playerinfo_tickcount[client] = 0;
playerinfo_autoshoot[client] = 0;
playerinfo_jumps[client] = 0;
playerinfo_high_ping[client] = 0;
playerinfo_query_index[client] = 0;
playerinfo_query_failed[client] = 0;
playerinfo_aimlock_sus[client] = 0;
playerinfo_aimlock[client] = 0;
playerinfo_aimbot[client] = 0;
playerinfo_bhop[client] = 0;
playerinfo_time_teleported[client] = 0.0;
playerinfo_time_aimlock[client] = 0.0;
playerinfo_time_backtrack[client] = 0.0;
playerinfo_time_process_aimlock[client] = 0.0;
for (int i = 0; i < CHEAT_MAX; i++)
playerinfo_banned_flags[client][i] = false;
for (int i = 0; i < CMD_LENGTH; i++) {
playerinfo_buttons[client][i] = 0;
playerinfo_actions[client][i] = 0;
playerinfo_time_usercmd[client][i] = 0.0;
set_player_log_angles(client, Float:{0.0, 0.0, 0.0}, i);
}
}
public void TF2_OnConditionRemoved(int client, TFCond condition)
{
if (condition == TFCond_Taunting)
playerinfo_time_teleported[client] = GetGameTime();
}
public Action event_teleported(Event event, const char[] name,
bool dontBroadcast)
{
int client = GetClientOfUserId(GetEventInt(event, "userid", -1));
if (is_player_valid(client))
playerinfo_time_teleported[client] = GetGameTime();
}
public Action event_player_death(Event event, const char[] name,
bool dontBroadcast)
{
if (!icvar[CVAR_ENABLE])
return Plugin_Continue;
int userid = GetEventInt(event, "attacker", -1);
int client = GetClientOfUserId(userid);
int victim = GetClientOfUserId(GetEventInt(event, "userid", -1));
event_death_shared(userid, client, victim, false);
return Plugin_Continue;
}
// Todo: Ehh, needs some work, not pretty.
public Action event_player_death_tf2(Event event, const char[] name,
bool dontBroadcast)
{
if (!icvar[CVAR_ENABLE])
return Plugin_Continue;
char wep[64];
int userid = GetEventInt(event, "attacker", -1);
int client = GetClientOfUserId(userid);
int victim = GetClientOfUserId(GetEventInt(event, "userid", -1));
int killtype = GetEventInt(event, "customkill", 0);
GetEventString(event, "weapon_logclassname", wep, sizeof(wep), "");
// Ignore sentries in TF2.
if (!strncmp(wep, "obj_", 4, false))
return Plugin_Continue;
// Killtype 3 = flamethrower.
event_death_shared(userid, client, victim,
((killtype == 3) ? true : false));
return Plugin_Continue;
}
void event_death_shared(int userid, int client, int victim, bool skip_delta)
{
DataPack pack;
float killpos[3], deathpos[3];
int skip_snap = 0;
if (client == victim)
return;
if (!is_player_valid(client)
|| !is_player_valid(victim)
|| IsFakeClient(client)
|| playerinfo_banned_flags[client][CHEAT_AIMBOT]
|| GetClientTime(client) < 10.1)
return;
if (icvar[CVAR_AIMLOCK_LIGHT])
lilac_aimlock_light_test(client);
if (!icvar[CVAR_AIMBOT])
return;
GetClientEyePosition(client, killpos);
GetClientEyePosition(victim, deathpos);
// Killer and victim are too close to each other,
// Skip some detections.
if (GetVectorDistance(killpos, deathpos) < 350.0 || skip_delta)
skip_snap = 1;
CreateDataTimer(0.5, timer_check_aimbot, pack);
pack.WriteCell(userid);
pack.WriteCell(skip_snap);
// Fallback to this tick if the shot isn't found.
pack.WriteCell(playerinfo_index[client]);
pack.WriteFloat(killpos[0]);
pack.WriteFloat(killpos[1]);
pack.WriteFloat(killpos[2]);
pack.WriteFloat(deathpos[0]);
pack.WriteFloat(deathpos[1]);
pack.WriteFloat(deathpos[2]);
}
public Action timer_welcome(Handle timer, int userid)
{
int client = GetClientOfUserId(userid);
if (is_player_valid(client) && icvar[CVAR_WELCOME] && icvar[CVAR_ENABLE] && icvar[CVAR_BAN])
PrintToChat(client, "[Lilac] %T", "welcome_msg", client, VERSION);
}
public Action timer_query(Handle timer)
{
if (!icvar[CVAR_ENABLE] || !icvar[CVAR_CONVAR])
return Plugin_Continue;
// sv_cheats recently changed or is set to 1, abort.
if (GetTime() < time_sv_cheats || sv_cheats)
return Plugin_Continue;
for (int i = 1; i <= MaxClients; i++) {
if (!is_player_valid(i) || IsFakeClient(i))
continue;
// Player recently joined, wait before querying.
if (GetClientTime(i) < 60.0)
continue;
// Don't query already banned players.
if (playerinfo_banned_flags[i][CHEAT_CONVAR])
continue;
// Only increments query index if the player
// has responded to the last one.
if (!playerinfo_query_failed[i]) {
if (++playerinfo_query_index[i] >= 11)
playerinfo_query_index[i] = 0;
}
QueryClientConVar(i, query_list[playerinfo_query_index[i]], query_reply, 0);
if (++playerinfo_query_failed[i] > QUERY_MAX_FAILURES) {
if (icvar[CVAR_LOG_MISC]) {
lilac_log_setup_client(i);
Format(line, sizeof(line),
"%s was kicked for failing to respond to %d queries in %.0f seconds.",
line, QUERY_MAX_FAILURES, QUERY_TIMER * QUERY_MAX_FAILURES);
lilac_log(true);
if (icvar[CVAR_LOG_EXTRA] == 2)
lilac_log_extra(i);
}
KickClient(i, "[Lilac] %T", "kick_query_failure", i);
}
}
return Plugin_Continue;
}
public void query_reply(QueryCookie cookie, int client,
ConVarQueryResult result, const char[] cvarName,
const char[] cvarValue, any value)
{
// Player NEEDS to answer the query.
if (result != ConVarQuery_Okay)
return;
// Client did respond to the query request, move on to the next convar.
playerinfo_query_failed[client] = 0;
// Any response the server may recieve may also be faulty, ignore.
if (GetTime() < time_sv_cheats || sv_cheats)
return;
// Already banned.
if (playerinfo_banned_flags[client][CHEAT_CONVAR])
return;
int val = StringToInt(cvarValue);
// Check for invalid convar responses.
// This is pretty ugly, but does the job for
// a simple & basic query system.
if ((StrEqual("sv_cheats", cvarName, false) && val)
|| (StrEqual("r_drawothermodels", cvarName, false) && val != 1)
|| (StrEqual("mat_wireframe", cvarName, false) && val)
|| (StrEqual("snd_show", cvarName, false) && val)
|| (StrEqual("snd_visualize", cvarName, false) && val)
|| (StrEqual("mat_proxy", cvarName, false) && val)
|| (StrEqual("r_drawmodelstatsoverlay", cvarName, false) && val)
|| (StrEqual("r_shadowwireframe", cvarName, false) && val)
|| (StrEqual("r_showenvcubemap", cvarName, false) && val)
|| (StrEqual("r_drawrenderboxes", cvarName, false) && val)
|| (StrEqual("mat_fullbright", cvarName, false) && val)
|| (StrEqual("r_modelwireframedecal", cvarName, false) && val)) {
if (lilac_forward_allow_cheat_detection(client, CHEAT_CONVAR) == false)
return;
lilac_forward_client_cheat(client, CHEAT_CONVAR);
if (icvar[CVAR_LOG]) {
lilac_log_setup_client(client);
Format(line, sizeof(line),
"%s was detected and banned for an invalid ConVar (%s %s).",
line, cvarName, cvarValue);
lilac_log(true);
if (icvar[CVAR_LOG_EXTRA])
lilac_log_extra(client);
}
playerinfo_banned_flags[client][CHEAT_CONVAR] = true;
lilac_ban_client(client, CHEAT_CONVAR);
}
}
public Action timer_check_lerp(Handle timer)
{
float min;
if (!icvar[CVAR_ENABLE])
return Plugin_Continue;
if (sv_maxupdaterate > 0)
min = 1.0 / float(sv_maxupdaterate);
else
min = 0.0;
for (int i = 1; i <= MaxClients; i++) {
if (!is_player_valid(i) || IsFakeClient(i))
continue;
float lerp = GetEntPropFloat(i, Prop_Data, "m_fLerpTime");
if (lerp * 1000.0 > float(icvar[CVAR_MAX_LERP]) && icvar[CVAR_MAX_LERP] >= 105) {
if (icvar[CVAR_LOG_MISC]) {
lilac_log_setup_client(i);
Format(line, sizeof(line),
"%s was kicked for exploiting interpolation (%.3fms / %dms max).",
line, lerp * 1000.0, icvar[CVAR_MAX_LERP]);
lilac_log(true);
if (icvar[CVAR_LOG_EXTRA] == 2)
lilac_log_extra(i);
}
KickClient(i, "[Lilac] %T", "kick_interp_exploit", i,
lerp * 1000.0, icvar[CVAR_MAX_LERP], float(icvar[CVAR_MAX_LERP]) / 999.9);
continue;
}
if (!icvar[CVAR_NOLERP]
|| playerinfo_ignore_lerp[i]
|| playerinfo_banned_flags[i][CHEAT_NOLERP]
|| min < 0.005) // Minvalue invalid or too low.
continue;
if (lerp > min * 0.95 /* buffer */)
continue;
if (lilac_forward_allow_cheat_detection(i, CHEAT_NOLERP) == false)
continue;
playerinfo_banned_flags[i][CHEAT_NOLERP] = true;
lilac_forward_client_cheat(i, CHEAT_NOLERP);
if (icvar[CVAR_LOG]) {
lilac_log_setup_client(i);
Format(line, sizeof(line),
"%s was detected and banned for NoLerp (%fms).",
line, lerp * 1000.0);
lilac_log(true);
if (icvar[CVAR_LOG_EXTRA])
lilac_log_extra(i);
}
lilac_ban_client(i, CHEAT_NOLERP);
}
return Plugin_Continue;
}
public Action timer_check_ping(Handle timer)
{
static bool toggle = true;
char reason[128];
float ping;
if (!icvar[CVAR_ENABLE] || icvar[CVAR_MAX_PING] < 100)
return Plugin_Continue;
for (int i = 1; i <= MaxClients; i++) {
if (!is_player_valid(i) || IsFakeClient(i))
continue;
// Player recently joined, don't check ping yet.
if (GetClientTime(i) < 100.0)
continue;
ping = GetClientAvgLatency(i, NetFlow_Outgoing) * 1000.0;
if (ping < float(icvar[CVAR_MAX_PING])) {
if (toggle && playerinfo_high_ping[i] > 0)
playerinfo_high_ping[i]--;
continue;
}
// Player has a higher ping than maximum for 45 seconds.
if (++playerinfo_high_ping[i] < 9)
continue;
if (icvar[CVAR_LOG_MISC]) {
lilac_log_setup_client(i);
Format(line, sizeof(line),
"%s was kicked for having too high ping (%.3fms / %dms max).",
line, ping, icvar[CVAR_MAX_PING]);
lilac_log(true);
if (icvar[CVAR_LOG_EXTRA] == 2)
lilac_log_extra(i);
}
Format(reason, sizeof(reason),
"[Lilac] %T", "tban_ping_high", i,
ping, icvar[CVAR_MAX_PING]);
// Ban the client for three minutes to avoid instant reconnects.
BanClient(i, 3, BANFLAG_AUTHID, reason, reason, "lilac", 0);
}
toggle = !toggle;
return Plugin_Continue;
}
public Action timer_check_aimlock(Handle timer)
{
float ang[3], lang[3], ideal[3], pos[3], pos2[3];
float aimdist, laimdist;
int lock;
bool skip_report[MAXPLAYERS + 1]; // Skip reporting this player.
bool report[MAXPLAYERS + 1]; // report this player.
bool process; // Keep processing the player.
int players_processed = 0;
if (!icvar[CVAR_ENABLE] || !icvar[CVAR_AIMLOCK])
return Plugin_Continue;
for (int i = 1; i <= MaxClients; i++) {
skip_report[i] = true;
report[i] = false;
// Don't process more than 5 players!
if (players_processed >= 5 && icvar[CVAR_AIMLOCK_LIGHT] == 1)
return Plugin_Continue;