diff options
author | ache <ache@FreeBSD.org> | 1995-08-02 06:55:36 +0000 |
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committer | ache <ache@FreeBSD.org> | 1995-08-02 06:55:36 +0000 |
commit | aa6b65d135b586d40dd8315157e6030918e8acc0 (patch) | |
tree | b7d8fa93f5d6e0f8aee8fa03ab16f04a5d4a8a84 /sys/kern/tty_compat.c | |
parent | 3be0ba285f8dfff33ab10a4bdcbca121a6107028 (diff) | |
download | FreeBSD-src-aa6b65d135b586d40dd8315157e6030918e8acc0.zip FreeBSD-src-aa6b65d135b586d40dd8315157e6030918e8acc0.tar.gz |
Check for valid speed values in pty drive
Check for negative speed values in tty drive
Back out valid speed values checking from tty drive
Suggested by: bde
Diffstat (limited to 'sys/kern/tty_compat.c')
-rw-r--r-- | sys/kern/tty_compat.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/kern/tty_compat.c b/sys/kern/tty_compat.c index 628b11c..26ed1ec 100644 --- a/sys/kern/tty_compat.c +++ b/sys/kern/tty_compat.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tty_compat.c 8.1 (Berkeley) 6/10/93 - * $Id: tty_compat.c,v 1.13 1995/05/30 08:06:09 rgrimes Exp $ + * $Id: tty_compat.c,v 1.14 1995/08/01 23:27:36 ache Exp $ */ /* @@ -78,7 +78,10 @@ static struct speedtab compatspeeds[] = { { 0, 0 }, { -1, -1 }, }; -extern int validspeed[]; /* in tty.c */ +static int compatspcodes[] = { + 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, + 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200, +}; int ttsetcompat(tp, com, data, term) register struct tty *tp; @@ -95,11 +98,11 @@ int ttsetcompat(tp, com, data, term) if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0) return(EINVAL); else - term->c_ispeed = validspeed[speed]; + term->c_ispeed = compatspcodes[speed]; if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0) return(EINVAL); else - term->c_ospeed = validspeed[speed]; + term->c_ospeed = compatspcodes[speed]; term->c_cc[VERASE] = sg->sg_erase; term->c_cc[VKILL] = sg->sg_kill; tp->t_flags = (tp->t_flags&0xffff0000) | (sg->sg_flags&0xffff); |