C > Gnu-Linux

Terminal password example

Terminal password example

#include <stdio.h>
#include <termios.h>

#define PASSMAX 8

int main(void) {
 struct termios defrsett, newrsett;
 char password[PASSMAX + 1];

 tcgetattr(fileno(stdin), &defrsett);

 newrsett = defrsett;
 newrsett.c_lflag &= ~ECHO;

 printf("Enter password: ");

 if(tcsetattr(fileno(stdin), TCSAFLUSH, &newrsett) != 0)
  fprintf(stderr, "Did not set attributes\n");
 else {
  fgets(password, PASSMAX, stdin);
  tcsetattr(fileno(stdin), TCSANOW, &defrsett);
  fprintf(stdout, "\nYou enterd %s", password);
 }

 return 0;
}