static time_t askremotedate(const char *host)
{
unsigned long int nett, localt;
- const char *port="37";
+ struct sockaddr_in s_in;
int fd;
- if (getservbyname("time", "tcp") != NULL)
- port="time";
+ bb_lookup_host(&s_in, host);
+ s_in.sin_port = bb_lookup_port("time", "tcp", 37);
/* Add a timeout for dead or non accessable servers */
alarm(10);
signal(SIGALRM, socket_timeout);
- fd = xconnect(host, port);
+ fd = xconnect(&s_in);
if (safe_read(fd, (void *)&nett, 4) != 4) /* read time from server */
bb_error_msg_and_die("%s did not send the complete time", host);
remote_time = askremotedate(argv[optind]);
if (setdate) {
- if (stime(&remote_time) < 0)
- bb_perror_msg_and_die("Could not set time of day");
+ time_t current_time;
+
+ time(¤t_time);
+ if (current_time == remote_time)
+ bb_error_msg("Current time matches remote time.");
+ else
+ if (stime(&remote_time) < 0)
+ bb_perror_msg_and_die("Could not set time of day");
}
if (printdate)