NetBSD/etc/rc.d/named

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#!/bin/sh
#
# $NetBSD: named,v 1.18 2005/11/29 21:07:25 christos Exp $
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#
# PROVIDE: named
# REQUIRE: SERVERS
# BEFORE: DAEMON
# KEYWORD: chrootdir
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$_rc_subr_loaded . /etc/rc.subr
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name="named"
rcvar=$name
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command="/usr/sbin/${name}"
pidfile="/var/run/${name}.pid"
start_precmd="named_precmd"
extra_commands="reload"
required_dirs="$named_chrootdir" # if it is set, it must exist
named_migrate()
{
local src=$1
local dst=$2$1
echo "Migrating $src to $dst"
(
diff=false
cd $src
for f in $(find . -type f)
do
f=${f##./}
case $f in
*/*)
d=$dst$(dirname $f)
;;
*) d=$dst
;;
esac
mkdir -p $d
if [ -r "$dst/$f" ]
then
if ! cmp $f $dst/$f; then
diff=true
fi
else
cp -p $f $dst/$f
fi
done
if $diff; then
echo "Cannot complete migration because files are different"
echo "Run 'diff -r $src $dst' resolve the differences"
else
rm -fr $src
ln -s $dst $src
fi
)
}
named_precmd()
{
if [ -z "$named_chrootdir" ]; then
return 0;
fi
# 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 ${named_chrootdir}
# exists and named isn't running at this point (unless forcestart
# is used).
#
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case "$($command -v)" in
BIND*) # 9 no group, named-xfer, or ndc
;;
named*) # 4 and 8
rc_flags="-g named $rc_flags"
if [ ! -x "${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 \
"${named_chrootdir}/usr/libexec"
fi
ln -fs "${named_chrootdir}/var/run/ndc" /var/run/ndc
;;
esac
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for i in null random
do
if [ ! -c "${named_chrootdir}/dev/$i" ]; then
rm -f "${named_chrootdir}/dev/$i"
(cd /dev &&
/bin/pax -rw -pe "$i" "${named_chrootdir}/dev")
fi
done
if [ ! -h /etc/namedb ]; then
named_migrate /etc/namedb ${named_chrootdir}
fi
if [ \( -r /etc/named.conf \) -a \( ! -h /etc/named.conf \) -a \
\( ! -r ${named_chrootdir}/etc/named.conf \) ]
then
mv /etc/named.conf ${named_chrootdir}/etc/named.conf
ln -s ${named_chrootdir}/etc/named.conf /etc/named.conf
fi
if [ \( ! -r ${named_chrootdir}/etc/named.conf \) -a \
\( -r ${named_chrootdir}/etc/namedb/named.conf \) ]; then
ln -s namedb/named.conf ${named_chrootdir}/etc
fi
if [ -f /etc/localtime ]; then
cmp -s /etc/localtime "${named_chrootdir}/etc/localtime" || \
cp -p /etc/localtime "${named_chrootdir}/etc/localtime"
fi
ln -fs "${named_chrootdir}${pidfile}" ${pidfile}
# Change run_rc_commands()'s internal copy of $named_flags
#
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rc_flags="-u named -t ${named_chrootdir} $rc_flags"
}
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load_rc_config $name
run_rc_command "$1"