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getting an ip
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oib111
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PostPosted: Mon Jul 07, 2008 1:58 pm    Post subject: getting an ip Reply with quote

I'm trying to get someone's public IP through winsock or through anything but I can't. I got one, but it just gives me the private IP. I also want to list the name of each computer on a network but I can't find anything for that either.
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manc
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PostPosted: Mon Jul 07, 2008 2:40 pm    Post subject: Reply with quote

I dont know how using that method, but, if you have them on aim it should be quite easy if you can get them to accept a file. Once the file transfer is active, check your active ports and look at the one designated for AIM and it will show you their IP next to it.
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oib111
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PostPosted: Mon Jul 07, 2008 3:03 pm    Post subject: Reply with quote

I'm trying to make an instant messenger, and what I'm going to do is first register their main IP (the computer they registered on) in my server (my computer), and then whenever they log-in I'm going to have current IP which is the IP their using right now, and I forward the messages to them through that IP. But unless the two clients are on a network with each other my method won't work. So I need to get their public IP.
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HalfPrime
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PostPosted: Mon Jul 07, 2008 3:23 pm    Post subject: Reply with quote

Have them connect to IPchicken.com or something and get the data it sends back. Or write a little webpage you can connect to that send them their IP.
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Anden100
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PostPosted: Mon Jul 07, 2008 3:27 pm    Post subject: Reply with quote

Isnt it possible to create a C++ (or whatever language you are using) program, that will get the IP that you need, and then send the IP to your server?
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PostPosted: Mon Jul 07, 2008 3:31 pm    Post subject: Reply with quote

HalfPrime wrote:
Have them connect to IPchicken.com or something and get the data it sends back. Or write a little webpage you can connect to that send them their IP.


How do I parse HTML?

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PostPosted: Mon Jul 07, 2008 3:38 pm    Post subject: Reply with quote

http://www.tangentsoft.net/wskfaq/examples/ipaddr.html

Not that?
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oib111
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PostPosted: Mon Jul 07, 2008 6:30 pm    Post subject: Reply with quote

I was wondering if anybody could point me in the right direction. I'm trying to use a get request to retrieve the source.
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HalfPrime
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PostPosted: Mon Jul 07, 2008 7:10 pm    Post subject: Reply with quote

would gethostname-gethostbyname work if you're behind a router?

If you connect to a site that gives you your IP, you wouldn't need to parse it. You'd receive it all in text, then, since the IP would change every time, you could search for a unique string that preceeds the IP. In the case of ipchicken,
Quote:
<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#0000FF"><b>

occurs right before the IP. Search for that, then copy everything until you hit a space, that's the end of the IP. Convert the string into a real IP and you're good to go.

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oib111
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PostPosted: Mon Jul 07, 2008 7:22 pm    Post subject: Reply with quote

HalfPrime wrote:
would gethostname-gethostbyname work if you're behind a router?

If you connect to a site that gives you your IP, you wouldn't need to parse it. You'd receive it all in text, then, since the IP would change every time, you could search for a unique string that preceeds the IP. In the case of ipchicken,
Quote:
<p align="center"><font face="Verdana, Arial, Helvetica, sans-serif" size="5" color="#0000FF"><b>

occurs right before the IP. Search for that, then copy everything until you hit a space, that's the end of the IP. Convert the string into a real IP and you're good to go.


@gethosname-gethostbyname, no it doesn't work unless your just using a modem with no router.

How do I download the homepage html file at ipchicken.com (I could open it up and see the text)?

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HalfPrime
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PostPosted: Mon Jul 07, 2008 7:26 pm    Post subject: Reply with quote

Code:
#include <cstdlib>
#include <iostream>
#include <winsock2.h>
#include <stdio.h>
#include <fstream>
#include <windows.h>

using namespace std;

int main()
{
   
    WSADATA WSAData;
            WSAStartup(MAKEWORD(2,0), &WSAData);
            SOCKET sock;
            SOCKADDR_IN sin;
            char buffer[1024];
            int c = 0;
            string source;
            string sendstr;
    struct hostent* host;

host = gethostbyname("cheatengine.org");
sock = socket(AF_INET, SOCK_STREAM, 0);
sin.sin_addr.s_addr = ((struct in_addr *)(host->h_addr))->s_addr;
sin.sin_family = AF_INET;
sin.sin_port = htons(80);
connect(sock, (SOCKADDR *)&sin, sizeof(sin));

 source = "";
   sendstr = "";
    sendstr = "GET /aboutce.php HTTP/1.0\n";
    sendstr += "Host: cheatengine.org\r\n";
    sendstr += "\r\n"; 
                  
         send(sock, sendstr.c_str(), sendstr.size() + 1, 0);
         for(c=1;c>0;c = recv(sock, buffer, sizeof(buffer), 0))
           source += buffer;
           
           
           closesocket(sock);
           cout << source;
           
           
    system("PAUSE");
    return EXIT_SUCCESS;
}

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Chaosis13
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PostPosted: Mon Jul 07, 2008 8:01 pm    Post subject: Reply with quote

ugh... Here. I think thats what you want. And to parse html/xml, just treat it like a .txt file. Then search for what you want. You might be able to open just like any other file.

Last edited by Chaosis13 on Tue Jul 08, 2008 12:16 pm; edited 1 time in total
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PostPosted: Mon Jul 07, 2008 8:51 pm    Post subject: Reply with quote

HalfPrime, I edited the code to my needs and I got this as output.

Code:

╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠└┤▬<!DOC
TYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
</p>
</body></html>
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠╠
╠╠╠╠╠╠└┤▬


Here's my code:

Code:

std::string GetIP() {
   SOCKET sock;
   SOCKADDR_IN sin;
   struct hostent *host;
   char buffer[1024];
   std::string source = "";
   std::string sendstr = "";
   host = gethostbyname("ipchicken.com");
   sock = socket(AF_INET, SOCK_STREAM, 0);
   sin.sin_addr.s_addr = ((struct in_addr *)(host->h_addr))->s_addr;
   sin.sin_family = AF_INET;
   sin.sin_port = htons(80);
   connect(sock, (SOCKADDR *)&sin, sizeof(sin));
   sendstr = "GET HTTP/2.0\n";
   sendstr += "Host: ipchicken.com\r\n";
   sendstr += "\r\n";
   send(sock, sendstr.c_str(), sendstr.size() + 1, 0);
   for(int i = 1; i > 0; i = recv(sock, buffer, sizeof(buffer), 0)) {
      source += buffer;
   }
   closesocket(sock);
   return source;
}

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cigs dont make people high, which weed does, which causes them to do bad stuff. like killing
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HalfPrime
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PostPosted: Mon Jul 07, 2008 9:54 pm    Post subject: Reply with quote

Try "GET / HTTP/1.1\r\n".
Also try connecting to google or something to make suure the code works.

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oib111
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PostPosted: Mon Jul 07, 2008 10:20 pm    Post subject: Reply with quote

That didn't work. Now it doesn't do anything.
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