github/linuxkit
1
0
Fork 0
mirror of https://github.com/linuxkit/linuxkit.git synced 2025-07-21 18:11:35 +00:00
Code Issues Projects Releases Wiki Activity

Keep track of processed ttys and only start same one once

Browse Source 
Signed-off-by: Avi Deitcher <avi@deitcher.net>
This commit is contained in:
Avi Deitcher 2017-11-15 19:21:59 +02:00
parent aa0a76b58b
commit 49ffa978d3
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
pkg/getty/usr/bin/rungetty.sh
View File

@ -15,6 +15,14 @@ start_getty() {
term="linux" term="linux"
[ "$speed" = "$1" ] && speed=115200 [ "$speed" = "$1" ] && speed=115200
# did we already process this tty?
if $(echo "${PROCESSEDTTY}" | grep -q -w "$tty"); then
echo "getty: already processed tty for $tty, not starting twice" | tee /dev/console
return
fi
# now indicate that we are processing it
PROCESSEDTTY="${PROCESSEDTTY} ${tty}"
# does the device even exist? # does the device even exist?
if [ ! -c /dev/$tty ]; then if [ ! -c /dev/$tty ]; then
echo "getty: cmdline has console=$tty but /dev/$tty is not a character device; not starting getty for $tty" | tee /dev/console echo "getty: cmdline has console=$tty but /dev/$tty is not a character device; not starting getty for $tty" | tee /dev/console
@ -44,6 +52,7 @@ start_getty() {
echo "getty: cmdline has console=$tty but does not exist in $securetty; will not be able to log in as root on this tty $tty." | tee /dev/$tty echo "getty: cmdline has console=$tty but does not exist in $securetty; will not be able to log in as root on this tty $tty." | tee /dev/$tty
fi fi
# respawn forever # respawn forever
echo "getty: starting getty for $tty" | tee /dev/$tty
infinite_loop setsid.getty -w /sbin/agetty $loginargs $line $speed $tty $term & infinite_loop setsid.getty -w /sbin/agetty $loginargs $line $speed $tty $term &
} }
@ -55,6 +64,8 @@ export PS1="(ns: getty) $PS1"
EOF EOF
fi fi
PROCESSEDTTY=
# check if we have /etc/getty.shadow # check if we have /etc/getty.shadow
ROOTSHADOW=/hostroot/etc/getty.shadow ROOTSHADOW=/hostroot/etc/getty.shadow
if [ -f $ROOTSHADOW ]; then if [ -f $ROOTSHADOW ]; then