ANTI PACKET FLOOD c++ Saldırılar karşı koruma

[Scarlet]

Metin2 EP, Valorant VP dahil tüm oyun ürünlerini en uygun fiyatlarla bulabilir, Item ve Karakterlerinizi hızlıca satabilirsiniz. HEMEN TIKLA!

Hemen yapınız.....

Arkadaşlar Bazı adamlar yurdışından serveriniz packet saldırısı yani
buffer exploit yapıyorlar. bu yüzden makine ram fazla kulanıyor ve oyun game.core verir.

Core bu

Çözüm

//input.cpp açılır ve aratılır
int CInputHandshake::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)

//input.cpp fonksiyon değiştiriir.

int CInputHandshake::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)
{
    if (bHeader == HEADER_CG_ENTERGAME)
        return 0;

    if (bHeader == HEADER_CG_MARK_LOGIN)
    {
        if (!guild_mark_server)
        {
            // ²÷¾î¹ö·Á! - ¸¶Å© ¼¹ö°¡ ¾Æ´Ñµ¥ ¸¶Å©¸¦ ¿äûÇÏ·Á°í?
            sys_err("Guild Mark login requested but i'm not a mark server!");
            d->SetPhase(PHASE_CLOSE);
            return 0;
        }

        // ¹«Á¶°Ç ÀÎÁõ --;
        sys_log(0, "MARK_SERVER: Login");
        d->SetPhase(PHASE_LOGIN);
        return 0;
    }
    else if (bHeader == HEADER_CG_STATE_CHECKER)
    {
        if (d->isChannelStatusRequested()) {
            return 0;
        }
        d->SetChannelStatusRequested(true);
        db_clientdesc->DBPacket(HEADER_GD_REQUEST_CHANNELSTATUS, d->GetHandle(), NULL, 0);
    }
    else if (bHeader == HEADER_CG_PONG)
        Pong(d);
    else if (bHeader == HEADER_CG_HANDSHAKE)
        Handshake(d, c_pData);
[HASH=2]#ifdef[/HASH] _IMPROVED_PACKET_ENCRYPTION_
    else if (bHeader == HEADER_CG_KEY_AGREEMENT)
    {
        // Send out the key agreement completion packet first
        // to help client to enter encryption mode
        d->SendKeyAgreementCompleted();
        // Flush socket output before going encrypted
        d->ProcessOutput();

        TPacketKeyAgreement* p = (TPacketKeyAgreement*)c_pData;
        if (!d->IsCipherPrepared())
        {
            sys_err ("Cipher isn't prepared. %s maybe a Hacker.", inet_ntoa(d->GetAddr().sin_addr));
            d->DelayedDisconnect(5);
            return 0;
        }
        if (d->FinishHandshake(p->wAgreedLength, p->data, p->wDataLength)) {
            // Handshaking succeeded
            if (g_bAuthServer) {
                d->SetPhase(PHASE_AUTH);
            }
            else {
                d->SetPhase(PHASE_LOGIN);
            }
        }
        else {
            sys_log(0, "[CInputHandshake] Key agreement failed: al=%u dl=%u",
                p->wAgreedLength, p->wDataLength);
            d->SetPhase(PHASE_CLOSE);
        }
    }
[HASH=3]#endif[/HASH] // _IMPROVED_PACKET_ENCRYPTION_
    else
    {
        sys_err("Handshake phase does not handle packet %d (fd %d)", bHeader, d->GetSocket());
        d->SetPhase(PHASE_CLOSE); // maybe disconnect player from server.
        return -1;
    }

    return 0;
}

// input_login.cpp açılır ve aratılır...
            sys_err("login phase does not handle this packet! header %d", bHeader);
            //d->SetPhase(PHASE_CLOSE);
            return 0;

// fonksiyon değiştirilir.
            sys_err("login phase does not handle this packet! header %d", bHeader);
            //d->SetPhase(PHASE_CLOSE);
            return -1;

// input_main.cpp açılır ve aratılır...

int CInputMain::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)

// fonksiyon kontrol ederek ekleyiniz.

int CInputMain::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)
{
    LPCHARACTER ch;
    if (!(ch = d->GetCharacter()))
    {
        sys_err("no character on desc");
        d->SetPhase(PHASE_CLOSE);
        return -1;//Fix
    }

    //Fix//
    if (ch->GetDesc()->GetPhase() != PHASE_GAME && ch->GetDesc()->GetPhase() != PHASE_DEAD)
    {
        sys_err("no character in game");
sys_log(0, "fix pid : %u phase : %u header : %u ip address : %s", ch->GetPlayerID(), ch->GetDesc()->GetPhase(), bHeader, ch->GetDesc()->GetHostName());
        d->SetPhase(PHASE_CLOSE);
        return -1;//Fix
    }
    //Fix//

    int iExtraLen = 0;

// input_main.cpp açılır ve aratılır...

int CInputDead::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)

// fonksiyon kontrol ederek ekleyiniz.

int CInputDead::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)
{
    LPCHARACTER ch;
    if (!(ch = d->GetCharacter()))
    {
        sys_err("no character on desc");
        return -1;//Fix
    }

    if (ch && ch->IsPC())
    {
        if (get_global_time() < ch->analyze_protect)
        {
            ch->analyze_protect_count = (ch->analyze_protect_count + 1);

            if (ch->analyze_protect_count >= 300)
            {
                ch->analyze_protect_count = 0;
                d->SetPhase(PHASE_CLOSE);
                return -1;//Fix
            }
        }
        else
            ch->analyze_protect_count = 0;

        ch->analyze_protect = (get_global_time() + 1);
    }

    int iExtraLen = 0;

//input_main.cpp açılır ve aratılır.

int CInputDead::Analyze(LPDESC d, BYTE bHeader, const char * c_pData)

// Fonskiyon içinde bu bulunur

        default:
            return (0);

// Değiştirilir..
        default:
            return -1;//FloodFix

//char.h açılır aratılır.

int                GetSyncHackCount() { return m_iSyncHackCount; }

// altına eklenir.

    //Fix
    public:
        int analyze_protect;
        int analyze_protect_count;
        int analyze_protect_other_count;
    //Fix

//desc.h açılır ve aratılır

        bool            IsPhase(int phase) const    { return m_iPhase == phase ? true : false; }

// Altına eklenir.

        int                GetPhase() const    { return m_iPhase; }

 

[sıradanbırısı]

yararlı konu

 

[qDESTAN]

teşekkürler

 

[olkan41]

@cBaraN <3

 

[olkan41]

CInputMain::Analyze flood fix

input_main.cpp //arat; int CInputMain::Analyze(LPDESC d, BYTE bHeader, const char* c_pData) { LPCHARACTER ch; if (!(ch = d->GetCharacter())) { sys_err("no character on desc"); d->SetPhase(PHASE_CLOSE); return (0); } //değiştir; int...

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