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author | green <green@FreeBSD.org> | 2001-05-04 03:57:05 +0000 |
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committer | green <green@FreeBSD.org> | 2001-05-04 03:57:05 +0000 |
commit | 8acd87ac472a182ef2d717212f2c0faba81143a5 (patch) | |
tree | 8070a266de2673f242df1ac3c19ad277bbd7e0f6 /crypto/openssh/sshtty.c | |
parent | 5bcde1229c897d3a1ecba9ae48d888c773877ad9 (diff) | |
download | FreeBSD-src-8acd87ac472a182ef2d717212f2c0faba81143a5.zip FreeBSD-src-8acd87ac472a182ef2d717212f2c0faba81143a5.tar.gz |
Say "hi" to the latest in the OpenSSH series, version 2.9!
Happy birthday to: rwatson
Diffstat (limited to 'crypto/openssh/sshtty.c')
-rw-r--r-- | crypto/openssh/sshtty.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/crypto/openssh/sshtty.c b/crypto/openssh/sshtty.c new file mode 100644 index 0000000..7849890 --- /dev/null +++ b/crypto/openssh/sshtty.c @@ -0,0 +1,96 @@ +/* $OpenBSD: sshtty.c,v 1.1 2001/04/14 16:33:20 stevesk Exp $ */ +/* + * Author: Tatu Ylonen <ylo@cs.hut.fi> + * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland + * All rights reserved + * + * As far as I am concerned, the code I have written for this software + * can be used freely for any purpose. Any derived versions of this + * software must be clearly marked as such, and if the derived work is + * incompatible with the protocol description in the RFC file, it must be + * called by a name other than "ssh" or "Secure Shell". + */ +/* + * Copyright (c) 2001 Markus Friedl. All rights reserved. + * Copyright (c) 2001 Kevin Steves. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "includes.h" + +#include "sshtty.h" +#include "log.h" + +static struct termios _saved_tio; +static int _in_raw_mode = 0; + +int +in_raw_mode(void) +{ + return _in_raw_mode; +} + +struct termios +get_saved_tio(void) +{ + return _saved_tio; +} + +void +leave_raw_mode(void) +{ + if (!_in_raw_mode) + return; + if (tcsetattr(fileno(stdin), TCSADRAIN, &_saved_tio) == -1) + perror("tcsetattr"); + else + _in_raw_mode = 0; + + fatal_remove_cleanup((void (*) (void *)) leave_raw_mode, NULL); +} + +void +enter_raw_mode(void) +{ + struct termios tio; + + if (tcgetattr(fileno(stdin), &tio) == -1) { + perror("tcgetattr"); + return; + } + _saved_tio = tio; + tio.c_iflag |= IGNPAR; + tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF); + tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL); +#ifdef IEXTEN + tio.c_lflag &= ~IEXTEN; +#endif + tio.c_oflag &= ~OPOST; + tio.c_cc[VMIN] = 1; + tio.c_cc[VTIME] = 0; + if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) == -1) + perror("tcsetattr"); + else + _in_raw_mode = 1; + + fatal_add_cleanup((void (*) (void *)) leave_raw_mode, NULL); +} |