diff options
author | Ben Lindstrom <mouring@eviladmin.org> | 2001-04-14 23:21:50 +0000 |
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committer | Ben Lindstrom <mouring@eviladmin.org> | 2001-04-14 23:21:50 +0000 |
commit | e626cf8b4aa4443d7c2cec937ddc5e36cb5d89ee (patch) | |
tree | d5ea1b840ff6db292432a1e4d813b9b42ba0fc1c /sshtty.c | |
parent | f719a2011060639cfe6292349cb8c040b3c7352b (diff) |
- Missed sshtty.[ch] in Sync.
Diffstat (limited to 'sshtty.c')
-rw-r--r-- | sshtty.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/sshtty.c b/sshtty.c new file mode 100644 index 000000000..78498908f --- /dev/null +++ b/sshtty.c | |||
@@ -0,0 +1,96 @@ | |||
1 | /* $OpenBSD: sshtty.c,v 1.1 2001/04/14 16:33:20 stevesk Exp $ */ | ||
2 | /* | ||
3 | * Author: Tatu Ylonen <ylo@cs.hut.fi> | ||
4 | * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland | ||
5 | * All rights reserved | ||
6 | * | ||
7 | * As far as I am concerned, the code I have written for this software | ||
8 | * can be used freely for any purpose. Any derived versions of this | ||
9 | * software must be clearly marked as such, and if the derived work is | ||
10 | * incompatible with the protocol description in the RFC file, it must be | ||
11 | * called by a name other than "ssh" or "Secure Shell". | ||
12 | */ | ||
13 | /* | ||
14 | * Copyright (c) 2001 Markus Friedl. All rights reserved. | ||
15 | * Copyright (c) 2001 Kevin Steves. All rights reserved. | ||
16 | * | ||
17 | * Redistribution and use in source and binary forms, with or without | ||
18 | * modification, are permitted provided that the following conditions | ||
19 | * are met: | ||
20 | * 1. Redistributions of source code must retain the above copyright | ||
21 | * notice, this list of conditions and the following disclaimer. | ||
22 | * 2. Redistributions in binary form must reproduce the above copyright | ||
23 | * notice, this list of conditions and the following disclaimer in the | ||
24 | * documentation and/or other materials provided with the distribution. | ||
25 | * | ||
26 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | ||
27 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | ||
28 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | ||
29 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
30 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
31 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
32 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
33 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
34 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
35 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
36 | */ | ||
37 | |||
38 | #include "includes.h" | ||
39 | |||
40 | #include "sshtty.h" | ||
41 | #include "log.h" | ||
42 | |||
43 | static struct termios _saved_tio; | ||
44 | static int _in_raw_mode = 0; | ||
45 | |||
46 | int | ||
47 | in_raw_mode(void) | ||
48 | { | ||
49 | return _in_raw_mode; | ||
50 | } | ||
51 | |||
52 | struct termios | ||
53 | get_saved_tio(void) | ||
54 | { | ||
55 | return _saved_tio; | ||
56 | } | ||
57 | |||
58 | void | ||
59 | leave_raw_mode(void) | ||
60 | { | ||
61 | if (!_in_raw_mode) | ||
62 | return; | ||
63 | if (tcsetattr(fileno(stdin), TCSADRAIN, &_saved_tio) == -1) | ||
64 | perror("tcsetattr"); | ||
65 | else | ||
66 | _in_raw_mode = 0; | ||
67 | |||
68 | fatal_remove_cleanup((void (*) (void *)) leave_raw_mode, NULL); | ||
69 | } | ||
70 | |||
71 | void | ||
72 | enter_raw_mode(void) | ||
73 | { | ||
74 | struct termios tio; | ||
75 | |||
76 | if (tcgetattr(fileno(stdin), &tio) == -1) { | ||
77 | perror("tcgetattr"); | ||
78 | return; | ||
79 | } | ||
80 | _saved_tio = tio; | ||
81 | tio.c_iflag |= IGNPAR; | ||
82 | tio.c_iflag &= ~(ISTRIP | INLCR | IGNCR | ICRNL | IXON | IXANY | IXOFF); | ||
83 | tio.c_lflag &= ~(ISIG | ICANON | ECHO | ECHOE | ECHOK | ECHONL); | ||
84 | #ifdef IEXTEN | ||
85 | tio.c_lflag &= ~IEXTEN; | ||
86 | #endif | ||
87 | tio.c_oflag &= ~OPOST; | ||
88 | tio.c_cc[VMIN] = 1; | ||
89 | tio.c_cc[VTIME] = 0; | ||
90 | if (tcsetattr(fileno(stdin), TCSADRAIN, &tio) == -1) | ||
91 | perror("tcsetattr"); | ||
92 | else | ||
93 | _in_raw_mode = 1; | ||
94 | |||
95 | fatal_add_cleanup((void (*) (void *)) leave_raw_mode, NULL); | ||
96 | } | ||