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[C++] How to get IP information from SOCKET?

 
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pkedpker
Master Cheater
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Joined: 11 Oct 2006
Posts: 412
PostPosted: Fri Apr 24, 2009 1:25 am    Post subject: [C++] How to get IP information from SOCKET? Reply with quote
Well first of all I'd like to explain im making a winsock hook, hooked send/recv functions and I can modify and see packets but I get packets from so much different IP's I want to limit them to a certain IP.

I know that sockaddr_in structure holds the ip and to get it I would do

Code:

sockaddr_in Information;

printf("IP is %s\n", inet_ntoa(Information.sin_addr));



Now how can I extract Information structure from a SOCKET?

Code:

int WINAPI custom_send(SOCKET sock, char* buf, int len, int flags)
{
   struct sockaddr_in socketClient = (struct sockaddr_in)&sock;
   printf("ip = %s\n", inet_ntoa(socketClient .sin_addr));
   ShowPacket('S',len,buf);

    return osend(sock, buf, len, flags); //detour to original send function
}


But that doesn't work and I was a fool to try it tbh.

But how is it possible? I'm making a Winsock Packet Editor Clone but with a feature WPE PRO is lacking deeply and that is filter data without overwriting bytes but append bytes.
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sphere90
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Joined: 24 Jun 2006
Posts: 912
PostPosted: Fri Apr 24, 2009 1:42 am    Post subject: Reply with quote
Don't be lazy. http://msdn.microsoft.com/en-us/library/ms741394(VS.85).aspx
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pkedpker
Master Cheater
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Joined: 11 Oct 2006
Posts: 412
PostPosted: Fri Apr 24, 2009 2:26 am    Post subject: Reply with quote
all i got is the SOCKET pointer to work with nothing else.. I searched google heavily couldn't find any examples. Shocked
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