#!/sbin/runscript
# Copyright 1999-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

depend() {
	use hostname
	need localmount
	before logger
	after clock sysctl
}

cleanup_tmp_dir() {
	local dir=$1

	mkdir -p "${dir}"
	cd "${dir}"
	if [ "${WIPE_TMP}" = "yes" ]; then
		ebegin "Wiping ${dir} directory"
		local startopts="-x . -depth"
		[ "${RC_UNAME}" = "Linux" ] && startopts=". -xdev -depth"

		# Faster than find
		rm -rf [b-ikm-pr-zA-Z]*

		find ${startopts} ! -name . \
			! -path ./lost+found \
			! -path "./lost+found/*" \
			! -path ./quota.user \
			! -path "./quota.user/*" \
			! -path ./aquota.user \
			! -path "./aquota.user/*" \
			! -path ./quota.group \
			! -path "./quota.group/*" \
			! -path ./aquota.group \
			! -path "./aquota.group/*" \
			! -path ./journal \
			! -path "./journal/*" \
			-delete
		eend 0
	else
		ebegin "Cleaning ${dir} directory"
		rm -rf "${dir}"/.X*-lock "${dir}"/esrv* "${dir}"/kio* \
			"${dir}"/jpsock.* "${dir}"/.fam* "${dir}"/.esd* \
			"${dir}"/orbit-* "${dir}"/ssh-* "${dir}"/ksocket-* \
			"${dir}"/.*-unix
		eend 0
	fi
}

start() {
	# Put a nologin file in /etc to prevent people from logging
	# in before system startup is complete.
	if [ "${DELAYLOGIN}" = "yes" ]; then
		echo "System bootup in progress - please wait" > /etc/nologin
		cp /etc/nologin /etc/nologin.boot
	fi

	if ! mkdir /.test.$$ 2>/dev/null; then
		ewarn "Skipping /var and /tmp initialization (ro root?)"
		return 0
	fi
	rmdir /.test.$$

	# Ensure that our basic dirs exist
	for x in /var/lock /var/log /var/run /tmp; do
		if ! [ -d "${x}" ]; then
			if ! mkdir "${x}"; then
				eend 1 "failed to create needed directory ${x}"
				return 1
			fi
		fi 
	done

	# Setup login records
	printf "" >/var/run/utmp
	[ -e /var/log/wtmp ] || printf "" >/var/log/wtmp
	chgrp utmp /var/run/utmp /var/log/wtmp
	chmod 0664 /var/run/utmp /var/log/wtmp

	# Take care of random stuff [ /var/lock | /var/run | pam ]
	ebegin "Cleaning /var/lock, /var/run"
	rm -rf /var/run/console.lock /var/run/console/*

	# Clean up any stale locks.
	find /var/lock -type f -print0 | xargs -0 rm -f --
		
	# Clean up /var/run and create /var/run/utmp so we can login.
	for x in $(find /var/run ! -type d ! -name utmp ! -name innd.pid \
		! -name random-seed ! -name ld-elf.so.hints ! -name ld.so.hints); do
		[ ! -f "${x}" ] && continue
		# Do not remove pidfiles of already running daemons
		case "${x}" in
			*.pid)
				start-stop-daemon --test --quiet --stop --pidfile "${x}"
				[ $? -eq 0 ] && continue
				;;
		esac
		rm -f "${x}"
	done

	# Reset pam_console permissions if we are actually using it
	if [ -x /sbin/pam_console_apply ] && ! [ -c /dev/.devfsd ]; then
		if grep -v -e '^[[:space:]]*#' /etc/pam.d/* | grep -q 'pam_console.so'; then
			pam_console_apply -r
		fi
	fi

	# Create the .keep to stop portage from removing /var/lock
	printf "" >/var/lock/.keep
	eend 0

	# Clean up /tmp directories
	local tmp
	for tmp in ${WIPE_TMP_DIRS-/tmp}; do
		cleanup_tmp_dir "${tmp}"
	done
	chmod +t /tmp /var/tmp

	# Make sure our X11 stuff have the correct permissions
	# Omit the chown as bootmisc is run before network is up
	# and users may be using lame LDAP auth #139411
	rm -rf /tmp/.ICE-unix /tmp/.X11-unix 
	mkdir -p /tmp/.ICE-unix /tmp/.X11-unix
	chmod 1777 /tmp/.ICE-unix /tmp/.X11-unix
	[ -x /sbin/restorecon ] && restorecon /tmp/.ICE-unix /tmp/.X11-unix

	# Create an 'after-boot' dmesg log
	if [ "${RC_SYS}" != "VPS" ]; then
		dmesg > /var/log/dmesg
		chmod 640 /var/log/dmesg
	fi

	# Check for /etc/resolv.conf, and create if missing
	[ -e /etc/resolv.conf ] || printf "" >/etc/resolv.conf
}

stop() {
	# Reset pam_console permissions if we are actually using it
	if [ -x /sbin/pam_console_apply ] && ! [ -c /dev/.devfsd ]; then
		if grep -v -e '^[[:space:]]*#' /etc/pam.d/* | grep -q 'pam_console.so' ;then
			/sbin/pam_console_apply -r
		fi
	fi

	# Write a halt record if we're shutting down
	case "${RC_SOFTLEVEL}" in
		reboot|shutdown) [ "${RC_UNAME}" = "Linux" ] && halt -w;;
	esac
	
	return 0
}

# vim: set ts=4 :