NetBSD/usr.sbin/ypserv/ypinit/ypinit.sh

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#!/bin/sh
#
# $NetBSD: ypinit.sh,v 1.12 2004/10/05 11:35:35 tron Exp $
#
# ypinit.sh - setup a master or slave YP server
#
# Originally written by Mats O Jansson <moj@stacken.kth.se>
# Modified by Jason R. Thorpe <thorpej@NetBSD.org>
# Reworked by Luke Mewburn <lukem@NetBSD.org>
#
PATH=/bin:/usr/sbin:/usr/bin:${PATH}
DOMAINNAME=/bin/domainname
HOSTNAME=/bin/hostname
ID=/usr/bin/id
INSTALL=/usr/bin/install
MAKEDBM=/usr/sbin/makedbm
YPWHICH=/usr/bin/ypwhich
YPXFR=/usr/sbin/ypxfr
progname=`basename $0`
yp_dir=/var/yp
tmpfile=`mktemp /tmp/ypservers.XXXXXX` || exit 1
trap "rm -f ${tmpfile} ; exit 0" EXIT INT QUIT
umask 077 # protect created directories
if [ `${ID} -u` != 0 ]; then
echo 1>&2 "$progname: you must be root to run this"
exit 1
fi
args=`getopt cl:ms: $*`
if [ $? -eq 0 ]; then
set -- $args
for i; do
case $i in
"-c")
servertype=client
shift
;;
"-m")
servertype=master
shift
;;
"-s")
servertype=slave
master=${2}
shift
shift
;;
"-l")
noninteractive=yes
serverlist=${2}
shift
shift
;;
"--")
shift
break
;;
esac
done
if [ $# -eq 1 ]; then
domain=${1}
shift;
else
domain=`${DOMAINNAME}`
fi
fi
if [ -z ${servertype} ]; then
cat 1>&2 << __usage
usage: ${progname} -c [domainname] [-l server1,...,serverN]
${progname} -m [domainname] [-l server1,...,serverN]
${progname} -s master_server [domainname] [-l server1,...,serverN]
The \`-c' flag sets up a YP client, the \`-m' flag builds a master YP
server, and the \`-s' flag builds a slave YP server. When building a
slave YP server, \`master_server' must be an existing, reachable YP server.
__usage
exit 1
fi
# Check if domainname is set, don't accept an empty domainname
if [ -z "${domain}" ]; then
cat << __no_domain 1>&2
$progname: The local host's YP domain name has not been set.
Please set it with the domainname(1) command or pass the domain as
an argument to ${progname}.
__no_domain
exit 1
fi
# Check if hostname is set, don't accept an empty hostname
host=`${HOSTNAME}`
if [ -z "${host}" ]; then
cat 1>&2 << __no_hostname
$progname: The local host's hostname has not been set.
Please set it with the hostname(1) command.
__no_hostname
exit 1
fi
if [ "${servertype}" = "slave" -a "${host}" = "${master}" ]; then
echo 1>&2 \
"$progname: cannot setup a YP slave server off the local host."
exit 1
fi
# Check if the YP directory exists.
if [ ! -d ${yp_dir} -o -f ${yp_dir} ]; then
cat 1>&2 << __no_dir
$progname: The directory ${yp_dir} does not exist.
Restore it from the distribution.
__no_dir
exit 1
fi
echo "Server type: ${servertype}"
echo "Domain: ${domain}"
if [ "${servertype}" = "slave" ]; then
echo "Master: ${master}"
fi
echo ""
binding_dir=${yp_dir}/binding
if [ ! -d ${binding_dir} ]; then
cat 1>&2 << __no_dir
$progname: The directory ${binding_dir} does not exist.
Restore it from the distribution.
__no_dir
exit 1
fi
if [ -z "${noninteractive}" ]; then
cat << __client_setup
A YP client needs a list of YP servers to bind to.
Whilst ypbind supports -broadcast, its use is not recommended.
__client_setup
done=
while [ -z "${done}" ]; do
> ${tmpfile}
cat <<__list_of_servers
Please enter a list of YP servers, in order of preference.
When finished, press RETURN on a blank line or enter EOF.
__list_of_servers
if [ "${servertype}" != "client" ]; then
echo ${host} >> ${tmpfile}
echo " next host: ${host}";
fi
echo -n " next host: ";
while read nextserver ; test -n "${nextserver}"
do
echo ${nextserver} >> ${tmpfile}
echo -n " next host: ";
done
if [ -s ${tmpfile} ]; then
echo ""
echo "The current servers are:"
echo ""
cat ${tmpfile}
echo ""
echo -n "Is this correct? [y/n: n] "
read DONE
case ${DONE} in
y*|Y*)
done=yes
;;
esac
else
echo ""
echo "You have not supplied any servers."
fi
if [ -z "${done}" ]; then
echo -n "Do you wish to abort? [y/n: n] "
read ABORT
case ${ABORT} in
y*|Y*)
exit 0
;;
esac
fi
done
else # interacive
if [ "${servertype}" != "client" ]; then
echo ${host} >> ${tmpfile}
fi
echo "${serverlist}" | sed -e 's/,/\
/g' >> ${tmpfile}
#the above newline is required
echo ""
echo "The current servers are:"
echo ""
cat ${tmpfile}
echo ""
fi # interactive
if [ -s ${tmpfile} ]; then
${INSTALL} -c -m 0444 ${tmpfile} ${binding_dir}/${domain}.ypservers
fi
if [ "${servertype}" = "client" ]; then
exit 0
fi
cat << __notice1
Installing the YP database may require that you answer a few questions.
Any configuration questions will be asked at the beginning of the procedure.
__notice1
if [ -d "${yp_dir}/${domain}" ]; then
echo "Can we destroy the existing ${yp_dir}/${domain}"
echo -n "and its contents? [y/n: n] "
read KILL
case ${KILL} in
y*|Y*)
rm -rf ${yp_dir}/${domain}
if [ $? != 0 ]; then
echo 1>&2 \
"$progname: Can't clean up old directory ${yp_dir}/${domain}"
exit 1
fi
;;
*)
echo "OK, please clean it up by hand and start again."
exit 0
;;
esac
fi
if ! mkdir "${yp_dir}/${domain}"; then
echo 1>&2 "$progname: Can't make new directory ${yp_dir}/${domain}"
exit 1
fi
case ${servertype} in
master)
if [ ! -f ${yp_dir}/Makefile ]; then
if [ ! -f ${yp_dir}/Makefile.main ]; then
echo 1>&2 \
"$progname: Can't find ${yp_dir}/Makefile.main"
exit 1
fi
cp ${yp_dir}/Makefile.main ${yp_dir}/Makefile
fi
subdir=`grep "^SUBDIR=" ${yp_dir}/Makefile`
if [ -z "${subdir}" ]; then
echo 1>&2 \
"$progname: Can't find line starting with 'SUBDIR=' in ${yp_dir}/Makefile"
exit 1
fi
newsubdir="SUBDIR="
for dir in `echo ${subdir} | cut -c8-255`; do
if [ "${dir}" != "${domain}" ]; then
newsubdir="${newsubdir} ${dir}"
fi
done
newsubdir="${newsubdir} ${domain}"
if [ -f ${yp_dir}/Makefile.tmp ]; then
rm ${yp_dir}/Makefile.tmp
fi
mv ${yp_dir}/Makefile ${yp_dir}/Makefile.tmp
sed -e "s/^${subdir}/${newsubdir}/" ${yp_dir}/Makefile.tmp > \
${yp_dir}/Makefile
rm ${yp_dir}/Makefile.tmp
if [ ! -f ${yp_dir}/Makefile.yp ]; then
echo 1>&2 "$progname: Can't find ${yp_dir}/Makefile.yp"
exit 1
fi
cp ${yp_dir}/Makefile.yp ${yp_dir}/${domain}/Makefile
# Create `ypservers' with own name, so that yppush won't
# lose when we run "make".
(
cd ${yp_dir}/${domain}
echo "$host $host" > ypservers
${MAKEDBM} ypservers ypservers
)
echo "Done. Be sure to run \`make' in ${yp_dir}."
;;
slave)
echo ""
maps=`${YPWHICH} -d ${domain} -h ${master} -f -m 2>/dev/null | \
awk '{ if (substr($2, 1, length("'$master'")) == "'$master'") \
print $1; }'`
if [ -z "${maps}" ]; then
cat 1>&2 << __no_maps
$progname: Can't find any maps for ${domain} on ${master}
Please check that the appropriate YP service is running.
__no_maps
exit 1
fi
for map in ${maps}; do
echo "Transferring ${map}..."
if ! ${YPXFR} -h ${master} -c -d ${domain} ${map}; then
echo 1>&2 "$progname: Can't transfer map ${map}"
exit 1
fi
done
cat << __dont_forget
Don't forget to update the \`ypservers' on ${master},
by adding an entry similar to:
${host} ${host}
__dont_forget
exit 0
;;
*)
echo 1>&2 "$progname: unknown servertype \`${servertype}'"
exit 1
esac