[HaBo]

#define PORT 2007

#include <sys/param.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <netinet/in.h>
#include <netdb.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#ifdef USE_IPV6
#include <netinet6/in6.h>
#endif

extern char **environ;
#include <errno.h>

char *Name; // name of the program for error messages
char msg[32768];

int main(int argc, char *argv[])
{
  int s, ns, foo, err;
  static struct sockaddr_in sin = { AF_INET };
  char *host, *inet_ntoa();
  char tmp[32768];
  FILE *log;
  Name = argv[0]; // Name des Programms fuer Fehlermeldungen speichern

  sin.sin_port = htons((u_short) PORT);
  argc--, argv++;
  if (argc > 0) {
    sin.sin_port = atoi(*argv);
    sin.sin_port = htons((u_short) sin.sin_port);
  }
  strcpy(msg, "");
  strcpy(tmp, "");
  msg[4095] = '\0';
  signal(SIGHUP, SIG_IGN);
  s = socket(AF_INET, SOCK_STREAM, 0);
  if (s < 0) {
    perror("announce: socket");
    exit(1);
  }
  if (bind(s, (struct sockaddr *) &sin, sizeof sin) < 0) {
    perror("bind");
    exit(1);
  }
  if (listen(s, 1) < 0) {
    perror("announce: listen");
    _exit(1);
  }
  foo = sizeof sin;
  for (;;) {
    ns = accept(s, (struct sockaddr *) &sin, &foo);
    if (ns < 0) {
      perror("announce: accept");
      _exit(1);
    }
    host = inet_ntoa(sin.sin_addr);

    sleep(5);
    close(ns);
  }
  return 0;
}