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      1 #!/bin/sh
      2 #
      3 # $NetBSD: rtadvd,v 1.11 2020/07/04 06:24:53 skrll Exp $
      4 #
      5 
      6 # PROVIDE: rtadvd
      7 # REQUIRE: DAEMON
      8 # BEFORE:  LOGIN
      9 
     10 $_rc_subr_loaded . /etc/rc.subr
     11 
     12 name=rtadvd
     13 rcvar=$name
     14 command="/usr/sbin/$name"
     15 pidfile="/var/run/$name.pid"
     16 extra_commands=reload
     17 start_precmd=rtadvd_prestart
     18 reload_precmd=rtadvd_prereload
     19 
     20 rtadvd_prereload()
     21 {
     22 	local chdir="$(getent passwd _rtadvd | cut -d: -f6)"
     23 	local conf=/etc/rtadvd.conf myflags o confdir
     24 	local cflag=false
     25 
     26 	[ -z "${chdir}" ] || [ "/${chdir}" = // ] && return 0
     27 
     28 	if [ -n "${flags}" ]; then
     29 		myflags=${flags}
     30 	else
     31 		eval myflags=\$${name}_flags
     32 	fi
     33 	set -- ${myflags}
     34 	while getopts c:dDfM:Rs o; do
     35 		# ignore other args, they are processed by rtadvd itself
     36 		case "${o}" in
     37 		c)	conf="${OPTARG}"
     38 			case "${conf}" in
     39 			/*)	;;
     40 			*)	echo "${name}: config file (${conf}) must be" \
     41 					"full pathname"
     42 				return 1
     43 				;;
     44 			esac
     45 			cflag=true;;
     46 		esac
     47 	done
     48 
     49 	${cflag} || test -f "${conf}" && {
     50 		confdir=$(dirname "${conf}")
     51 		echo "${name}: copying ${conf} to ${chdir}${conf}"
     52 		mkdir -p "${chdir}${confdir}"
     53 		cp "${conf}" "${chdir}${conf}" || return 1
     54 	}
     55 
     56 	# Make sure /var/run exists in the chroot
     57 	mkdir -p "${chdir}/var/run"
     58 
     59 	# Provide a link to the chrooted dump file
     60 	ln -snf "${chdir}/var/run/${name}.dump" /var/run
     61 
     62 	# Note: actual chroot is done by rtadvd itself
     63 
     64 	return 0
     65 }
     66 
     67 rtadvd_prestart()
     68 {
     69 	if [ "$ip6mode" != router ]; then
     70 		warn \
     71 	"${name} cannot be used on IPv6 host, only on an IPv6 router."
     72 		return 1
     73 	fi
     74 
     75 	rtadvd_prereload
     76 }
     77 
     78 load_rc_config $name
     79 run_rc_command "$1"
     80