lolbot.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define BUFSZ 4096

void
die(char *why)
{
  printf(why);
  exit(EXIT_FAILURE);
}

void
logstr(char *what)
{
  printf(what);
}

int
s_connect(char *host, int *sock)
{
  struct addrinfo *server, hints;
  
  memset(&hints, 0, sizeof(struct addrinfo));
  hints.ai_family = AF_UNSPEC;
  hints.ai_socktype = SOCK_STREAM;
  hints.ai_flags = 0;
  hints.ai_protocol = 0;

  logstr("Creating socket...\n");
  if( !(*sock = socket(AF_INET, SOCK_STREAM, 0)) )
    die("Socket creation failed.\n");
  logstr("Created.\nResolving hostname\n");
  if( getaddrinfo(host, "ircd", &hints, &server) )
    die("Failed to resolve hostname.\n");
  logstr("Resolved.\nConecting...\n");
  if( connect(*sock, server->ai_addr, server->ai_addrlen) == -1)
    die("Connection to server failed.\n");
  logstr("Connected.\n");
}

int
main(void)
{
  int sock;
  char inbuf[BUFSZ], *obuf;

  s_connect("irc.cluenet.org", &sock);
  read(sock, inbuf, BUFSZ);
  printf(inbuf);
  obuf = "NICK weew\n";
  write(sock, obuf, strlen(obuf));
  memset(inbuf, 0, BUFSZ);
  read(sock, inbuf, BUFSZ);
  printf(inbuf);
  memcpy(inbuf, "PONG", 4);
  write(sock, inbuf, strlen(inbuf));
  printf(inbuf);
  obuf = "USER weew localhost irc.cluenet.org :test\n";
  write(sock, obuf, strlen(obuf));
  while(1){
  memset(inbuf, 0, BUFSZ);
  read(sock, inbuf, BUFSZ);
  printf(inbuf);
  }
}