freebsd-dev/etc/rc.d/named

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#!/bin/sh
#
# $NetBSD: named,v 1.10 2002/03/22 04:33:59 thorpej Exp $
# $FreeBSD$
#
# PROVIDE: named
# REQUIRE: SERVERS
# BEFORE: DAEMON
# KEYWORD: FreeBSD NetBSD
. /etc/rc.subr
name="named"
rcvar=`set_rcvar`
command="/usr/sbin/${name}"
start_precmd="named_precmd"
required_dirs="$named_chrootdir" # if it is set, it must exist
extra_commands="reload"
case ${OSTYPE} in
FreeBSD)
nuser=bind
ngroup=bind
;;
NetBSD)
nuser=named
ngroup=named
;;
esac
# If running in a chroot cage, ensure that the appropriate files
# exist inside the cage, as well as helper symlinks into the cage
# from outside.
#
# As this is called after the is_running and required_dir checks
# are made in run_rc_command(), we can safely assume ${named_chrootdir}
# exists and named isn't running at this point (unless forcestart
# is used).
#
chroot_autoupdate()
{
# If the named-xfer in the system is newer than the one in the
# chroot directory or if it (in the chrootdir) doesn't exist
# copy it over
#
if [ ! -x "${named_chrootdir}/usr/libexec/named-xfer" -o \
"${named_chrootdir}/usr/libexec/named-xfer" -ot \
/usr/libexec/named-xfer ]; then
rm -f "${named_chrootdir}/usr/libexec/named-xfer"
cp -p /usr/libexec/named-xfer "${named_chrootdir}/usr/libexec"
fi
# Copy /dev/null over, if neccessary. Preserve everything (perms,
# ownership, mod times).
#
if [ ! -c "${named_chrootdir}/dev/null" ]; then
rm -f "${named_chrootdir}/dev/null"
( cd /dev ; /bin/pax -rw -pe null "${named_chrootdir}/dev" )
fi
# Copy local timezone information if it's not up-to-date.
#
if [ -f /etc/localtime ]; then
cmp -s /etc/localtime "${named_chrootdir}/etc/localtime" || \
cp -p /etc/localtime "${named_chrootdir}/etc/localtime"
fi
}
# Make symlinks to the correct pid and ndc socket files
#
make_symlinks()
{
ln -fs "${named_chrootdir}${named_pidfile}" ${named_pidfile}
ln -fs "${named_chrootdir}/var/run/ndc" /var/run/ndc
}
named_precmd()
{
case ${OSTYPE} in
FreeBSD)
! checkyesno named_rcng && return 0
# Is the user using a sandbox?
if [ -z "$named_chrootdir" ]; then
rc_flags="-u $nuser -g $ngroup $rc_flags"
return 0
fi
# Do the following checks only if the user wants them done
checkyesno named_chroot_autoupdate && chroot_autoupdate
;;
NetBSD)
chroot_autoupdate
;;
esac
case ${OSTYPE} in
FreeBSD)
# Make the symlinks only if the user wants them done.
checkyesno named_symlink_enable && make_symlinks
;;
NetBSD)
make_symlinks
;;
esac
# Change run_rc_commands()'s internal copy of $named_flags
#
case ${OSTYPE} in
FreeBSD)
! checkyesno named_rcng && return
;;
esac
rc_flags="-u $nuser -g $ngroup -t ${named_chrootdir} $rc_flags"
}
load_rc_config $name
# The following variable requires that rc.conf be loaded first
#
required_dirs="$named_chrootdir" # if it is set, it must exist
pidfile="${named_pidfile:-/var/run/${name}/pid}"
run_rc_command "$1"