20.09.2015, 13:48
This is my code a little searching on the Internet and write another useful someone can see it is correct and what needs further ?? Here is the code by writing and his Markoni added
Код:
#include <a_samp>
#include <FileFunctions>
#define ATTACK_TYPE_PLAYERID 1
#define ATTACK_TYPE_IP 2
new File:ServerLogFile;
new addostimer;
main()
{
print("|----------------------------------|");
print("| Anti DDOS Attack © 2013 |");
print("| by Markoni |");
print("|----------------------------------|");
}
public OnFilterScriptInit()
{
ServerLogFile = fileOpen("server_log.txt", io_Read);
addostimer = SetTimer("AntiDDoS", 100, true);
return 1;
}
public OnFilterScriptExit()
{
KillTimer(addostimer);
return 1;
}
forward AntiDDoS();
public AntiDDoS()
{
if(!ServerLogFile)
{
print("DDosProtect FS: Error opening server_log.txt!");
KillTimer(addostimer);
}
else
{
new string[128];
new strarr[2][20];
fileSeek(ServerLogFile, -128, seek_End);
while(fileRead(ServerLogFile, string)){}// только последнюю строку
new pos = strfind(string, "Invalid client connecting from ", true, 10);
if(pos == 11)
{
OnDDosAttackAttempt(ATTACK_TYPE_IP, INVALID_PLAYER_ID, string[pos+31]);
}
pos = strfind(string, "Warning: /rcon command exploit from: ", true, 10);
if(pos == 11){
split(string[pos+37], strarr, ':');
OnDDosAttackAttempt(ATTACK_TYPE_PLAYERID, strval(strarr[0]), strarr[1]);
}
pos = strfind(string, "Warning: PlayerDialogResponse PlayerId: ", true, 10);
if(pos == 11){
// Бывают случаи ложного срабатывания, реакция не на первое срабатывание
new idx = 0;
new plid = strval(strtok(string[pos+39], idx));
SetPVarInt(plid, "dialogDDosAtt", GetPVarInt(plid, "dialogDDosAtt")+1);
print("");
if(GetPVarInt(plid, "dialogDDosAtt") > 2)OnDDosAttackAttempt(ATTACK_TYPE_PLAYERID, plid, " ");
}
pos = strfind(string, "Warning: PlayerDialogResponse crash exploit from PlayerId: ", true, 10);
if(pos == 11){
new idx = 0;
OnDDosAttackAttempt(ATTACK_TYPE_PLAYERID, strval(strtok(string[pos+59], idx)), " ");
}
pos = strfind(string, "Packet was modified, sent by id: ", true, 10);
if(pos == 11){
split(string[pos+33], strarr, ',');
OnDDosAttackAttempt(ATTACK_TYPE_PLAYERID, strval(strarr[0]), " ");
}
pos = strfind(string, "Remote Port Refused for Player: ", true, 10);
if(pos == 11){
new idx = 0;
OnDDosAttackAttempt(ATTACK_TYPE_PLAYERID, strval(strtok(string[pos+32], idx)), " ");
}
if(strfind(string, " due to a 'server full' attack") != -1)
{
pos = strfind(string, "Blocking ", true, 10);
if(pos == 12)
{
new idx = 0;
OnDDosAttackAttempt(ATTACK_TYPE_IP, INVALID_PLAYER_ID, strtok(string[pos+9], idx));
}
}
}
}
forward OnDDosAttackAttempt(type, playerid, ip[]);
public OnDDosAttackAttempt(type, playerid, ip[])
{
new string[128];
if(type == ATTACK_TYPE_PLAYERID)
{//block a playerid
BanEx(playerid, "DDOS protect");
printf("DDosProtect FS: Blocked attack from playerid %d", playerid);
}else if(type == ATTACK_TYPE_IP)
{//block an ip address
format(string, sizeof(string), "banip %s", ip);
SendRconCommand(string);
printf("DDosProtect FS: Blocked attack from ip: %s", ip);
}
// printf лучше не удалять, чтобы не вызвать повторного срабатывания
}
stock strtok(const string[], &index)
{
new length = strlen(string);
while ((index < length) && (string[index] <= ' '))
{
index++;
}
new offset = index;
new result[20];
while ((index < length) && (string[index] > ' ') && ((index - offset) < (sizeof(result) - 1)))
{
result[index - offset] = string[index];
index++;
}
result[index - offset] = EOS;
return result;
}
stock split(const strsrc[], strdest[][], delimiter)
{
new i, li;
new aNum;
new len;
while(i <= strlen(strsrc)){
if(strsrc[i]==delimiter || i==strlen(strsrc)){
len = strmid(strdest[aNum], strsrc, li, i, 128);
strdest[aNum][len] = 0;
li = i+1;
aNum++;
}
i++;
}
return 1;
}
// © MazaHACKa;
