#!/bin/sh set -x infinite_loop() { while true; do $@ done } # run getty on all known consoles start_getty() { tty=${1%,*} speed=${1#*,} securetty="$2" line= term="linux" [ "$speed" = "$1" ] && speed=115200 case "$tty" in ttyS*|ttyAMA*|ttyUSB*|ttyMFD*) line="-L" term="vt100" ;; tty?) line="" speed="38400" term="" ;; esac # are we secure or insecure? loginargs= if [ "$INSECURE" == "true" ]; then loginargs="-a root" fi if ! grep -q -w "$tty" "$securetty"; then echo "$tty" >> "$securetty" fi # respawn forever infinite_loop setsid.getty -w /sbin/agetty $loginargs $line $speed $tty $term & } # check if we have /etc/getty.shadow ROOTSHADOW=/hostroot/etc/getty.shadow if [ -f $ROOTSHADOW ]; then cp $ROOTSHADOW /etc/shadow # just in case someone forgot a newline echo >> /etc/shadow fi for opt in $(cat /proc/cmdline); do case "$opt" in console=*) start_getty ${opt#console=} /etc/securetty esac done # wait for all our child process to exit; tini will handle subreaping, if necessary wait