1 files changed, 128 insertions, 0 deletions

diff --git a/src.etc/rc.common b/src.etc/rc.common
new file mode 100644
index 0000000..7ddc27e
--- /dev/null
+++ b/src.etc/rc.common
@@ -0,0 +1,128 @@
+#!/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
+
+SCRIPT=''
+ALL_CMDS=''
+LOG_MSG=''
+EXTRA_COMMANDS=''
+START=''
+STOP=''
+
+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
+		if [ -f /etc/rc.policy ]; then
+			[ "x$(cat /etc/rc.policy)" = 'xdisabled' ] && return 0
+		fi
+		${action}
+		es=${?}
+		log_end ${es}
+		return ${es}
+	else
+		usage
+		return 1
+	fi
+}
+
+tty_printf()
+{
+	local tty=
+
+	tty="$(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 ${es} in
+		0)
+			tty_printf '[ ok ] %s... done.\n' \
+				"${LOG_MSG}"
+			;;
+		255)
+			tty_printf '[warn] %s... done.\n' \
+				"${LOG_MSG}"
+			;;
+		*)
+			tty_printf '[fail] %s... failed.\n' \
+				"${LOG_MSG}"
+			;;
+	esac
+}
+
+# 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]"${name}"
+}
+
+main "${@}"