115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
#ifdef BROKEN_GETPASS
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/*
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* Copyright (c) 1988 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the University of California, Berkeley. The name of the
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* University may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/*
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* This version of getpass() is known to work under Ultrix 4.2/4.3, 4.3 BSD,
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* HP-UX 8.07, AIX 3.1/3.2, and Irix 4.05F. It should be easy to change it
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* to suit your tty interface. There's no support for POSIX termios here
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* but it should be trivial to add.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)getpass.c based on 5.3 (Berkeley) 9/22/88";
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#endif /* LIBC_SCCS and not lint */
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/*
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* HP-UX and Irix defines
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*/
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#if defined(sgi) || defined(hpux)
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#ifndef USE_TERMIO
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#define USE_TERMIO
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#endif /* USE_TERMIO */
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#endif /* sgi || hpux */
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#include <fcntl.h>
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#ifdef USE_TERMIO
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#include <termio.h>
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#else
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#include <sgtty.h>
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#endif
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#include <sys/ioctl.h>
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#include <sys/signal.h>
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#include <stdio.h>
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char *
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getpass(prompt)
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char *prompt;
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{
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#ifdef USE_TERMIO
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struct termio ttyb;
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#else
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struct sgttyb ttyb;
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#endif
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register int ch;
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register char *p;
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FILE *fp, *outfp;
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long omask;
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int fd_tmp;
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#ifdef USE_TERMIO
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tcflag_t svflagval;
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#else
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int svflagval;
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#endif
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#define PASSWD_LEN 8
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static char buf[PASSWD_LEN + 1];
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/*
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* read and write to /dev/tty if possible; else read from stdin and write
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* to stderr.
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*/
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fd_tmp = open("/dev/tty", O_RDWR);
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if (fd_tmp < 0 || (outfp = fp = fdopen(fd_tmp, "r+")) == NULL) {
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outfp = stderr;
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fp = stdin;
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}
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#ifdef USE_TERMIO
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(void) ioctl(fileno(fp), TCGETA, &ttyb);
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svflagval = ttyb.c_lflag;
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ttyb.c_lflag &= ~ECHO;
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omask = sigblock(sigmask(SIGINT));
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(void) ioctl(fileno(fp), TCSETA, &ttyb);
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#else
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(void) ioctl(fileno(fp), TIOCGETP, &ttyb);
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svflagval = ttyb.sg_flags;
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ttyb.sg_flags &= ~ECHO;
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omask = sigblock(sigmask(SIGINT));
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(void) ioctl(fileno(fp), TIOCSETP, &ttyb);
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#endif
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(void) fprintf(outfp, "%s", prompt);
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rewind(outfp); /* implied flush */
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for (p = buf; (ch = getc(fp)) != EOF && ch != '\n';)
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if (p < buf + PASSWD_LEN)
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*p++ = ch;
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*p = '\0';
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(void) write(fileno(outfp), "\n", 1);
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#ifdef USE_TERMIO
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ttyb.c_lflag = svflagval;
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(void) ioctl(fileno(fp), TCSETA, &ttyb);
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#else
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ttyb.sg_flags = svflagval;
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(void) ioctl(fileno(fp), TIOCSETP, &ttyb);
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#endif
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(void) sigsetmask(omask);
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if (fp != stdin)
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(void) fclose(fp);
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return (buf);
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}
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#endif
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