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#!/bin/sh
#
# /etc/rc.common
# Framework for service initialization scripts.
#
# Copyright (C) 2014 Patrick "P. J." McDermott
#
# This file may be reproduced, distributed, modified, and otherwise dealt in
# under the terms of the Expat License.
set -u
BB='/bin/busybox'
SCRIPT=''
ALL_CMDS=''
LOG_MSG=''
EXTRA_COMMANDS=''
START=''
STOP=''
# Default function definitions
stop() { :; }
restart() { stop; start; }
enable()
{
local name="${SCRIPT##*/}"
name="${name#[SK][0-9][0-9]}"
[ "x${START:+set}" = 'xset' ] && \
ln -sf "../init.d/${name}" "/etc/rc.d/S${START}${name}"
[ "x${STOP:+set}" = 'xset' ] && \
ln -sf "../init.d/${name}" "/etc/rc.d/K${STOP}${name}"
}
disable()
{
local name="${SCRIPT##*/}"
name="${name#[SK][0-9][0-9]}"
rm -f /etc/rc.d/[SK][0-9][0-9]"${name}"
}
tty_printf()
{
local tty=
tty="$("${BB}" tty)" && printf "${@}" >"${tty}"
}
usage() {
local cmds=
cmds="$(printf '%s|' ${ALL_CMDS})"
tty_printf 'Usage: %s {%s}\n' "${SCRIPT}" "${cmds%|}"
}
log()
{
local fmt="${1}"
shift 1
LOG_MSG="$(printf "${fmt}" "${@}")"
tty_printf '[ ] %s...\r' "${LOG_MSG}"
}
log_end()
{
local es="${1}"
[ "x${LOG_MSG:+set}" = 'xset' ] || return 0
case ${es} in
0)
tty_printf '[[32m ok [39m] %s... done.\n' \
"${LOG_MSG}"
;;
255)
tty_printf '[[33mwarn[39m] %s... done.\n' \
"${LOG_MSG}"
;;
*)
tty_printf '[[31mfail[39m] %s... failed.\n' \
"${LOG_MSG}"
;;
esac
}
main()
{
local action=
local es=
SCRIPT="${1}"
. "${SCRIPT}"
ALL_CMDS=" start stop restart ${EXTRA_COMMANDS} "
if [ "x${START:+set}" = 'xset' ] || [ "x${STOP:+set}" = 'xset' ]; then
ALL_CMDS="${ALL_CMDS} enable disable "
fi
if [ ${#} -ne 2 ]; then
usage
return 1
fi
action="${2:-<unknown>}"
if [ "x${ALL_CMDS#* ${action} }" != "x${ALL_CMDS}" ]; then
[ "x${action%able}" = "x${action}" ] && \
[ -f /etc/rc.policy ] && \
[ "x$("${BB}" cat /etc/rc.policy)" = 'xdisabled' ] && \
return 0
${action}
es=${?}
log_end ${es}
return ${es}
else
usage
return 1
fi
}
main "${@}"
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