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[How2] Ip to Country Function Using (Blocking IP Blocks)(With C++ Codes.) [How2] Ip to Country Function Using (Blocking IP Blocks)(With C++ Codes.)
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[How2] Ip to Country Function Using (Blocking IP Blocks)(With C++ Codes.)

Discussion on [How2] Ip to Country Function Using (Blocking IP Blocks)(With C++ Codes.) within the Metin2 PServer Guides & Strategies forum part of the Metin2 Private Server category.

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Old   #1
 
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[How2] Ip to Country Function Using (Blocking IP Blocks)(With C++ Codes.)

This function makes, block by ip by country (With MySQL Table.). With this function, you can blocking country ip's.

OK, Now lets see.

--------------------------------------

First run this query in account database.

PHP Code:
DROP TABLE IF EXISTS `iptocountry`;
CREATE TABLE `iptocountry` (
  `IP_FROM` varchar(30) NOT NULL default '',
  `IP_TO` varchar(30) NOT NULL,
  `COUNTRY_NAME` varchar(30) NOT NULL,
  PRIMARY KEY  (`IP_FROM`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1; 
And then, open queried table (iptocountry)

OK now lets add some ip's.

IP_FROM: Beginning of the ip block.
IP_TO: Ending of the ip block.
COUNTRY_NAME: You need add some name... Country name etc.

Here is the example image by me:



### This function tested by me and %100 working. ###

Here is the C++ code (All of this function.)

PHP Code:
int __cdecl add_blocked_country_ip(int a1)
{
  int v1; // eax@1
  int v2; // edx@1
  char *v3; // ecx@1
  char v4; // zf@1
  int v6; // [sp+20h] [bp-8h]@1

  v1 = operator new(8);
  v6 = v1;
  v2 = v1;
  v3 = *(char **)&s_blocked_ip[4];
  v4 = *(_DWORD *)&s_blocked_ip[4] == *(_DWORD *)&s_blocked_ip[8];
  *(_DWORD *)v1 = *(_DWORD *)a1;
  *(_DWORD *)(v1 + 4) = *(_DWORD *)(a1 + 4);
  if ( v4 )
  {
    std__vector_T_BLOCK_IP___std__allocator_T_BLOCK_IP_______M_insert_aux((int)s_blocked_ip, v3, (int)&v6);
    v2 = v6;
  }
  else
  {
    if ( v3 )
    {
      *(_DWORD *)v3 = v1;
      v2 = v6;
    }
    *(_DWORD *)&s_blocked_ip[4] = v3 + 4;
  }
  return dev_log(
           (int)"block_country.cpp",
           86,
           (int)"add_blocked_country_ip",
           2048,
           "BLOCKED_IP = %u - %u",
           *(_DWORD *)v2,
           *(_DWORD *)(v2 + 4));
} 
2nd. Code Block

PHP Code:
signed int __cdecl is_blocked_country_ip(int arg)
{
  int v1; // eax@2
  unsigned int v2; // ecx@2
  int v3; // ecx@2
  char v4; // t0@2
  char v5; // t1@2
  signed int result; // eax@8
  int v7; // [sp+4h] [bp-24h]@7
  int v8; // [sp+8h] [bp-20h]@7
  signed int v9; // [sp+Ch] [bp-1Ch]@7
  const char *v10; // [sp+10h] [bp-18h]@7
  int v11; // [sp+14h] [bp-14h]@7
  int v12; // [sp+1Ch] [bp-Ch]@1

  if ( __inet_aton(arg, &v12) )
  {
    v1 = *(_DWORD *)s_blocked_ip;
    v3 = v12;
    v4 = BYTE1(v3);
    BYTE1(v3) = v12;
    LOBYTE(v3) = v4;
    v2 = __ROR__(v3, 16);
    v5 = BYTE1(v2);
    BYTE1(v2) = v2;
    LOBYTE(v2) = v5;
    while ( v1 != *(_DWORD *)&s_blocked_ip[4] )
    {
      if ( **(_DWORD **)v1 <= v2 && v2 <= *(_DWORD *)(*(_DWORD *)v1 + 4) )
      {
        v11 = arg;
        v10 = "BLOCKED_COUNTRY_IP (%s) : YES";
        v9 = 16;
        v8 = (int)"is_blocked_country_ip";
        v7 = 128;
        goto LABEL_8;
      }
      v1 += 4;
    }
    dev_log((int)"block_country.cpp", 133, (int)"is_blocked_country_ip", 16, "BLOCKED_COUNTRY_IP (%s) : NO", arg);
    result = 0;
  }
  else
  {
    v11 = arg;
    v9 = 16;
    v8 = (int)"is_blocked_country_ip";
    v10 = "BLOCKED_COUNTRY_IP (%s) : YES";
    v7 = 118;
LABEL_8:
    dev_log((int)"block_country.cpp", v7, v8, v9, v10, v11);
    result = 1;
  }
  return result;
} 
3rd. Code Block

PHP Code:
void __cdecl __static_initialization_and_destruction_0(int a1, int a2)
{
  int v2; // eax@17
  int v3; // [sp+4h] [bp-34h]@12

  if ( a2 == 65535 )
  {
    if ( a1 == 1 )
    {
      std__ios_base__Init__Init(&std____ioinit);
      *(_DWORD *)s_blocked_ip = 0;
      *(_DWORD *)&s_blocked_ip[4] = 0;
      *(_DWORD *)&s_blocked_ip[8] = 0;
      *(_DWORD *)s_block_exception = 0;
      v2 = std____default_alloc_template_true_0___allocate(0);
      *(_DWORD *)s_block_exception = v2;
      *(_DWORD *)(v2 + 4) = 0;
      *(_DWORD *)v2 = 0;
      *(_DWORD *)&s_block_exception[4] = 0;
      *(_DWORD *)(*(_DWORD *)s_block_exception + 8) = *(_DWORD *)s_block_exception;
      *(_DWORD *)(*(_DWORD *)s_block_exception + 12) = *(_DWORD *)s_block_exception;
    }
    if ( !a1 )
    {
      if ( *(_DWORD *)&s_block_exception[4] )
      {
        std___Rb_tree_std__string_std__string_std___Identity_std__string__std__less_std__string__std__allocator_std__string_____M_erase(
          (int)s_block_exception,
          *(void **)(*(_DWORD *)s_block_exception + 4));
        *(_DWORD *)(*(_DWORD *)s_block_exception + 8) = *(_DWORD *)s_block_exception;
        *(_DWORD *)(*(_DWORD *)s_block_exception + 4) = 0;
        *(_DWORD *)(*(_DWORD *)s_block_exception + 12) = *(_DWORD *)s_block_exception;
        *(_DWORD *)&s_block_exception[4] = 0;
      }
      std____default_alloc_template_true_0___deallocate(*(_DWORD *)s_block_exception, 20);
    }
    if ( a2 == 65535 )
    {
      if ( !a1 )
      {
        if ( (*(_DWORD *)&s_blocked_ip[8] - *(_DWORD *)s_blocked_ip) >> 2 )
          std____default_alloc_template_true_0___deallocate(
            *(_DWORD *)s_blocked_ip,
            4 * ((*(_DWORD *)&s_blocked_ip[8] - *(_DWORD *)s_blocked_ip) >> 2));
      }
      if ( a2 == 65535 )
      {
        if ( !a1 )
          std__ios_base__Init___Init(&std____ioinit, v3);
      }
    }
  }
} 
Greetings from turkey
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Badboy.

(toll, hat mein Geheimnis verraten -.-)


Viel Spaß bei'm Eintragen der IPs. Wird große Liste sein.
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Quote:
Originally Posted by IgorGlock View Post
Badboy.

(toll, hat mein Geheimnis verraten -.-)


Viel Spaß bei'm Eintragen der IPs. Wird große Liste sein.
What is problem Igor? ... -.- LolBoy...
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hehe, schade
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Why do we need the C++ code?
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Quote:
Originally Posted by invisionmt2 View Post
Why do we need the C++ code?
Only sharing...
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gameyi nasıl açıp ekleyecez c++ kodlarını
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It isn't a C++ Source..
This is "C", decompiled with IDA.
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Für was ist das code ????
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Quote:
Originally Posted by .Infinity View Post
It isn't a C++ Source..
This is "C", decompiled with IDA.
/* This file has been generated by the Hex-Rays decompiler.
Copyright (c) 2009 Hex-Rays <>

Detected compiler: GNU C++
*/
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Quote:
Originally Posted by .Infinity View Post
It isn't a C++ Source..
This is "C", decompiled with IDA.
Dude, just a (C ANSI) pseudo-code
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Das ist schon C++ halt nur "nachgestellt".

Ich bin mir sicher niemand wird das wirklich machen - das mit IP's eintragen.
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Quote:
Originally Posted by IgorGlock View Post
Badboy.

(toll, hat mein Geheimnis verraten -.-)


Viel Spaß bei'm Eintragen der IPs. Wird große Liste sein.
Schon, nur gibts dafür sogar schon vorgefertigte Tabellen.
Einfach einen kleinen Query dafür schreiben der das dann übernimmt und gut ist. Seh ich kein Problem drin.
Zudem muss man ja nicht alles eintragen würd ich mal sagen :]
.. und drauf kommen könnte man eig von alleine.
Hatte mir diese Funktion schon seit ich das erste mal die account-db gesehen hatte gedacht nur gibts in meinen Augen keinen wirklichen Grund das (zumindest nicht auf layer 7) abzufangen.
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