#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <syslog.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#include <termios.h>

int main (int argc, char *argv[])
{
	int ret = -1;
	int fd = open ("/dev/tty",O_RDWR,0);
	if (fd == -1){
		syslog (LOG_ERR,"Ne peut ouvrir /dev/tty (%s)\n",strerror(errno));
	}else{
		const char *msg = "Enter the pass phrase : ";
		write (fd,msg,strlen(msg));
		struct termios term;
		if (tcgetattr(fd, &term)==-1){
			fprintf (stderr,"goctl-ask: tcgetattr failed (%s)\n",strerror(errno));
		}else{
			term.c_lflag &= ~ECHO;
			if(tcsetattr(fd,TCSANOW,&term)==-1){
				fprintf (stderr,"goctl-ask: tcsetattr failed (%s)\n",strerror(errno));
			}else{
				char buf[100];
				int len = read (fd,buf,sizeof(buf));
				write (fd,"\n",1);
				if (len > 0){
					buf[len] = '\0';
					while (len > 0 && isspace(buf[len-1])) buf[--len] = '\0';
					write (1,buf,strlen(buf));
					write (1,"\n",1);
					ret = 0;
				}
				term.c_lflag |= ECHO;
				tcsetattr(fd,TCSANOW,&term);
			}
		}
		close (fd);
	}
	return ret;
}