On 1/14/07, Grant Peel <[EMAIL PROTECTED]> wrote:
ACtually no,
Sory if the question was vauge,
What I am looking to do is to create a tool that will identify what MACHINE
(not domain) an ip is being used on.
Check out this:
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#define MAX_BUFF 128
#define MAX_NAME 128
int main(int argc, char **argv)
{
char buf[MAX_BUFF], name[MAX_NAME];
int recv, sock, addrlen;
struct sockaddr_in addr, from;
if(argc != 3)
{
fprintf(stderr, "usage: %s ip port\n", argv[0]);
return(1);
}
addrlen = sizeof(struct sockaddr);
/* get hostname */
bzero(&name, MAX_NAME);
if(gethostname(name, MAX_NAME) == -1)
{
perror("gethostname");
return(1);
}
/* create socket */
if((sock = socket(PF_INET, SOCK_DGRAM, 0)) == -1)
{
perror("socket");
return(1);
}
/* create addres */
bzero(&addr, addrlen);
addr.sin_family = AF_INET;
addr.sin_port = htons((int)strtol(argv[2], (char **)NULL, 10));
if(inet_aton(argv[1], addr.sin_addr) == 0)
{
perror("inet_aton");
return(1);
}
/* bind */
if(bind(sock, (struct sockaddr *)&addr, addrlen) == -1)
{
perror("bind");
return(1);
}
/* loop infinitely */
for(;;)
{
/* receive */
if((recv = recvfrom(sock, buf, MAX_BUFF -1, 0, (struct sockaddr
*)&from, &addrlen)) == -1)
{
perror("recvfrom");
continue;
}
buf[recv] = '\0';
/* send hostname */
if(sendto(sock, name, MAX_NAME, 0, (struct sockaddr *)&from,
sizeof(struct sockaddr)) == -1)
{
perror("sendto");
continue;
}
}
return(0);
}
-Grant
----- Original Message -----
From: "Pietro Cerutti" <[EMAIL PROTECTED]>
To: "Grant Peel" <[EMAIL PROTECTED]>
Cc: <[email protected]>
Sent: Sunday, January 14, 2007 9:21 AM
Subject: Re: Identifying a Remote Machine.
> On 1/14/07, Grant Peel <[EMAIL PROTECTED]> wrote:
>> Hi all,
> Hello,
>
>> The only reply I need from the server is the hostname. That will tell ne
>> that the IP is live and what machine its on.
>
> Wouldn't a ping be enough if you just need to know whether the machine is
> on?
>
>>
>> -Grant
>
>
> --
> Pietro Cerutti
> ICQ: 117293691
> PGP: 0x9571F78E
>
> - ASCII Ribbon Campaign -
> against HTML e-mail and
> proprietary attachments
> www.asciiribbon.org
>
>
--
Pietro Cerutti
ICQ: 117293691
PGP: 0x9571F78E
- ASCII Ribbon Campaign -
against HTML e-mail and
proprietary attachments
www.asciiribbon.org
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