191 lines
3.5 KiB
Bash
Executable File
191 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Default virtual mounts for linux systems
|
|
cfg_mounts+=( 'proc:proc:/proc:' )
|
|
cfg_mounts+=( 'run:tmpfs:/run:' )
|
|
cfg_mounts+=( 'sys:sysfs:/sys:' )
|
|
|
|
# devfs and its children
|
|
cfg_mounts+=( 'dev:devtmpfs:/dev:' )
|
|
cfg_mounts+=( 'pts:devpts:/dev/pts:noexec,nosuid,gid=5,mode=0620' )
|
|
cfg_mounts+=( 'mqueue:mqueue:/dev/mqueue:noexec,nosuid,nodev' )
|
|
cfg_mounts+=( 'shm:tmpfs:/dev/shm:defaults,mode=0777' )
|
|
|
|
# Some temporary directories
|
|
cfg_tmpdirs+=( '/run/lock' '/run/lock/lvm' '/run/lvm' '/run/user' )
|
|
|
|
# And temporary files
|
|
cfg_tmpfiles+=( '/run/utmp' )
|
|
|
|
# Functions
|
|
rc.rescue() { exec "${cfg_rc_rescue_shell:-"$SHELL"}"; }
|
|
|
|
rc.motd() {
|
|
[[ -f "/etc/rc.motd" ]] && {
|
|
while read; do
|
|
printf "%s\n" "$REPLY"
|
|
done < "/etc/rc.motd"
|
|
}
|
|
|
|
return 0
|
|
}
|
|
|
|
rc.tmpfiles() {
|
|
printf '%s\n' "${cfg_tmpdirs[@]}" | while IFS=':' read dir perm; do
|
|
mkdir -v -m "${perm:-755}" "$dir"
|
|
done
|
|
|
|
printf '%s\n' "${cfg_tmpfiles[@]}" | while IFS=':' read file perm; do
|
|
> "$file"
|
|
chmod -v "${perm:-644}" "$file"
|
|
done
|
|
}
|
|
|
|
rc.mount_misc() {
|
|
for m in "${cfg_mounts[@]}"; do
|
|
echo "$m" | while IFS=':' read fs fs_type mountpoint mount_options; do
|
|
[[ "$mount_options" ]] || { mount_options='defaults'; }
|
|
|
|
mountpoint -q "$mountpoint" || {
|
|
[[ -d "$mountpoint" ]] || { mkdir -p "$mountpoint"; }
|
|
mount "$fs" -n -t "$fs_type" -o "$mount_options" "$mountpoint"
|
|
}
|
|
done
|
|
done
|
|
}
|
|
|
|
rc.parse_cmdline() {
|
|
[[ -f "/proc/cmdline" ]] && {
|
|
boot_cmdline=( $(</proc/cmdline) )
|
|
}
|
|
|
|
for i in "${boot_cmdline[@]}"; do
|
|
case "$i" in
|
|
init.single) rc.rescue;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
rc.services_start() {
|
|
local service_name start_mode
|
|
|
|
for i in "${cfg_services[@]}"; do
|
|
unset service_name
|
|
|
|
[[ "$i" =~ ^@ ]] && {
|
|
service_name="${i##*@}"
|
|
start_mode='bg'
|
|
}
|
|
|
|
[[ "$i" =~ ^% ]] && {
|
|
service_name="${i##*%}"
|
|
start_mode='watch'
|
|
}
|
|
|
|
service_name=${service_name:-$i}
|
|
start_mode="${start_mode:-start}"
|
|
|
|
case "$start_mode" in
|
|
bg) service "$service_name" start &;;
|
|
start) service "$service_name" start;;
|
|
*) echo "Mode $start_mode not supported";;
|
|
esac
|
|
done
|
|
}
|
|
|
|
rc.services_stop() {
|
|
echo "Stopping services..."
|
|
local service_name
|
|
|
|
for i in "${cfg_services[@]}"; do
|
|
service_name="${i##*@}"; service_name="${service_name##*%}"
|
|
service "$service_name" stop &>/dev/null &
|
|
done
|
|
wait
|
|
}
|
|
|
|
rc.stop_everything() {
|
|
echo "Politely asking all processes to shut down..."
|
|
killall5 -15; sleep 3
|
|
|
|
echo "Killing the remaning ones..."
|
|
killall5 -9
|
|
}
|
|
|
|
rc.unmount_everything() {
|
|
echo "Unmounting filesystems..."
|
|
umount -r -a
|
|
}
|
|
|
|
rc.remount_root() {
|
|
echo "Remounting / read-only..."
|
|
mount / -o remount,ro
|
|
}
|
|
|
|
rc.boot() {
|
|
rc.mount_misc
|
|
rc.tmpfiles
|
|
rc.hostname
|
|
rc.timezone
|
|
rc.modules
|
|
rc.services_start
|
|
wait
|
|
rc.motd
|
|
}
|
|
|
|
rc.halt() {
|
|
case "$action" in
|
|
poweroff|shutdown) echo 'o' > /proc/sysrq-trigger;;
|
|
halt) :;;
|
|
reboot|*) echo 'b' > /proc/sysrq-trigger;;
|
|
esac
|
|
}
|
|
|
|
rc.shutdown() {
|
|
rc.services_stop
|
|
rc.stop_everything
|
|
rc.unmount_everything
|
|
rc.remount_root
|
|
|
|
echo "Halt complete."
|
|
|
|
rc.halt
|
|
}
|
|
|
|
rc.hostname() {
|
|
[[ -f '/etc/hostname' ]] && { hostname "$(</etc/hostname)"; }
|
|
[[ "$cfg_hostname" ]] && { hostname "$cfg_hostname"; }
|
|
}
|
|
|
|
rc.modules() {
|
|
for i in "${cfg_modules[@]}"; do
|
|
modprobe "$i"
|
|
done
|
|
}
|
|
|
|
rc.timezone() {
|
|
[[ "$cfg_timezone" ]] && {
|
|
ln -fs "/usr/share/zoneinfo/${cfg_timezone}" /etc/localtime
|
|
}
|
|
}
|
|
|
|
rc.main() {
|
|
source "@ETC@/rc.conf"
|
|
|
|
action="${1:-boot}"
|
|
|
|
case "$action" in
|
|
boot)
|
|
echo "Welcome to $(uname -rs)"
|
|
rc.boot
|
|
;;
|
|
|
|
poweroff|reboot|shutdown|halt)
|
|
rc.shutdown
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Main part
|
|
rc.main "$@"
|