#include #include #include char * getpass(prompt) char *prompt; { struct sgttyb ttyb; int flags; register char *p; register c; FILE *fi; static char pbuf[9]; int (*signal())(); int (*sig)(); if ((fi = fopen("/dev/tty", "r")) == NULL) fi = stdin; else setbuf(fi, (char *)NULL); sig = signal(SIGINT, SIG_IGN); gtty(fileno(fi), &ttyb); flags = ttyb.sg_flags; ttyb.sg_flags &= ~ECHO; stty(fileno(fi), &ttyb); fprintf(stderr, prompt); for (p=pbuf; (c = getc(fi))!='\n' && c!=EOF;) { if (p < &pbuf[8]) *p++ = c; } *p = '\0'; fprintf(stderr, "\n"); ttyb.sg_flags = flags; stty(fileno(fi), &ttyb); signal(SIGINT, sig); if (fi != stdin) fclose(fi); return(pbuf); }