+++ /dev/null
-/*
- * Copyright (c) 2009-2010 Todd C. Miller <Todd.Miller@courtesan.com>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <config.h>
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <stdio.h>
-#ifdef STDC_HEADERS
-# include <stdlib.h>
-# include <stddef.h>
-#else
-# ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-# endif
-#endif /* STDC_HEADERS */
-#ifdef HAVE_STRING_H
-# if defined(HAVE_MEMORY_H) && !defined(STDC_HEADERS)
-# include <memory.h>
-# endif
-# include <string.h>
-#endif /* HAVE_STRING_H */
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#endif /* HAVE_STRINGS_H */
-#ifdef HAVE_TERMIOS_H
-# include <termios.h>
-#else
-# ifdef HAVE_TERMIO_H
-# include <termio.h>
-# else
-# include <sgtty.h>
-# include <sys/ioctl.h>
-# endif /* HAVE_TERMIO_H */
-#endif /* HAVE_TERMIOS_H */
-
-#include "sudo.h"
-
-#ifndef TCSASOFT
-# define TCSASOFT 0
-#endif
-#ifndef ECHONL
-# define ECHONL 0
-#endif
-#ifndef IEXTEN
-# define IEXTEN 0
-#endif
-#ifndef IUCLC
-# define IUCLC 0
-#endif
-
-#ifndef _POSIX_VDISABLE
-# ifdef VDISABLE
-# define _POSIX_VDISABLE VDISABLE
-# else
-# define _POSIX_VDISABLE 0
-# endif
-#endif
-
-/*
- * Compat macros for non-termios systems.
- */
-#ifndef HAVE_TERMIOS_H
-# ifdef HAVE_TERMIO_H
-# undef termios
-# define termios termio
-# define tcgetattr(f, t) ioctl(f, TCGETA, t)
-# define tcsetattr(f, a, t) ioctl(f, a, t)
-# undef TCSAFLUSH
-# define TCSAFLUSH TCSETAF
-# undef TCSADRAIN
-# define TCSADRAIN TCSETAW
-# else /* SGTTY */
-# undef termios
-# define termios sgttyb
-# define c_lflag sg_flags
-# define tcgetattr(f, t) ioctl(f, TIOCGETP, t)
-# define tcsetattr(f, a, t) ioctl(f, a, t)
-# undef TCSAFLUSH
-# define TCSAFLUSH TIOCSETP
-# undef TCSADRAIN
-# define TCSADRAIN TIOCSETN
-# endif /* HAVE_TERMIO_H */
-#endif /* HAVE_TERMIOS_H */
-
-typedef struct termios sudo_term_t;
-
-static sudo_term_t term, oterm;
-static int changed;
-int term_erase;
-int term_kill;
-
-int
-term_restore(fd, flush)
- int fd;
- int flush;
-{
- if (changed) {
- int flags = TCSASOFT;
- flags |= flush ? TCSAFLUSH : TCSADRAIN;
- if (tcsetattr(fd, flags, &oterm) != 0)
- return(0);
- changed = 0;
- }
- return(1);
-}
-
-int
-term_noecho(fd)
- int fd;
-{
- if (!changed && tcgetattr(fd, &oterm) != 0)
- return(0);
- (void) memcpy(&term, &oterm, sizeof(term));
- CLR(term.c_lflag, ECHO|ECHONL);
-#ifdef VSTATUS
- term.c_cc[VSTATUS] = _POSIX_VDISABLE;
-#endif
- if (tcsetattr(fd, TCSADRAIN|TCSASOFT, &term) == 0) {
- changed = 1;
- return(1);
- }
- return(0);
-}
-
-#if defined(HAVE_TERMIOS_H) || defined(HAVE_TERMIO_H)
-
-int
-term_raw(fd, isig)
- int fd;
- int isig;
-{
- struct termios term;
-
- if (!changed && tcgetattr(fd, &oterm) != 0)
- return(0);
- (void) memcpy(&term, &oterm, sizeof(term));
- /* Set terminal to raw mode */
- term.c_cc[VMIN] = 1;
- term.c_cc[VTIME] = 0;
- CLR(term.c_lflag, ECHO | ECHONL | ICANON | ISIG | IEXTEN);
- if (isig)
- SET(term.c_lflag, ISIG);
- CLR(term.c_iflag, ICRNL | IGNCR | INLCR | IUCLC | IXON);
- if (tcsetattr(fd, TCSADRAIN|TCSASOFT, &term) == 0) {
- changed = 1;
- return(1);
- }
- return(0);
-}
-
-int
-term_cbreak(fd)
- int fd;
-{
- if (!changed && tcgetattr(fd, &oterm) != 0)
- return(0);
- (void) memcpy(&term, &oterm, sizeof(term));
- /* Set terminal to half-cooked mode */
- term.c_cc[VMIN] = 1;
- term.c_cc[VTIME] = 0;
- CLR(term.c_lflag, ECHO | ECHONL | ICANON | IEXTEN);
- SET(term.c_lflag, ISIG);
-#ifdef VSTATUS
- term.c_cc[VSTATUS] = _POSIX_VDISABLE;
-#endif
- if (tcsetattr(fd, TCSADRAIN|TCSASOFT, &term) == 0) {
- term_erase = term.c_cc[VERASE];
- term_kill = term.c_cc[VKILL];
- changed = 1;
- return(1);
- }
- return(0);
-}
-
-int
-term_copy(src, dst)
- int src;
- int dst;
-{
- struct termios tt;
-
- if (tcgetattr(src, &tt) != 0)
- return(0);
- /* XXX - add TCSANOW compat define */
- if (tcsetattr(dst, TCSANOW|TCSASOFT, &tt) != 0)
- return(0);
- return(1);
-}
-
-#else /* SGTTY */
-
-int
-term_raw(fd, isig)
- int fd;
- int isig;
-{
- if (!changed && ioctl(fd, TIOCGETP, &oterm) != 0)
- return(0);
- (void) memcpy(&term, &oterm, sizeof(term));
- /* Set terminal to raw mode */
- /* XXX - how to support isig? */
- CLR(term.c_lflag, ECHO);
- SET(term.sg_flags, RAW);
- if (ioctl(fd, TIOCSETP, &term) == 0) {
- changed = 1;
- return(1);
- }
- return(0);
-}
-
-int
-term_cbreak(fd)
- int fd;
-{
- if (!changed && ioctl(fd, TIOCGETP, &oterm) != 0)
- return(0);
- (void) memcpy(&term, &oterm, sizeof(term));
- /* Set terminal to half-cooked mode */
- CLR(term.c_lflag, ECHO);
- SET(term.sg_flags, CBREAK);
- if (ioctl(fd, TIOCSETP, &term) == 0) {
- term_erase = term.sg_erase;
- term_kill = term.sg_kill;
- changed = 1;
- return(1);
- }
- return(0);
-}
-
-int
-term_copy(src, dst)
- int src;
- int dst;
-{
- struct sgttyb b;
- struct tchars tc;
- struct ltchars lc;
- int l, lb;
-
- if (ioctl(src, TIOCGETP, &b) != 0 || ioctl(src, TIOCGETC, &tc) != 0 ||
- ioctl(src, TIOCGETD, &l) != 0 || ioctl(src, TIOCGLTC, &lc) != 0 ||
- ioctl(src, TIOCLGET, &lb)) {
- return(0);
- }
- if (ioctl(dst, TIOCSETP, &b) != 0 || ioctl(dst, TIOCSETC, &tc) != 0 ||
- ioctl(dst, TIOCSLTC, &lc) != 0 || ioctl(dst, TIOCLSET, &lb) != 0 ||
- ioctl(dst, TIOCSETD, &l) != 0) {
- return(0);
- }
- return(1);
-}
-
-#endif
projects / debian / sudo / blobdiff