325 lines
6.6 KiB
Bash
325 lines
6.6 KiB
Bash
#!/bin/sh
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#
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# $NetBSD: ypinit.sh,v 1.8 1998/06/08 06:29:25 lukem Exp $
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#
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# ypinit.sh - setup a master or slave YP server
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#
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# Originally written by Mats O Jansson <moj@stacken.kth.se>
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# Modified by Jason R. Thorpe <thorpej@NetBSD.ORG>
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# Reworked by Luke Mewburn <lukem@netbsd.org>
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#
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PATH=/bin:/usr/sbin:/usr/bin:${PATH}
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DOMAINNAME=/bin/domainname
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HOSTNAME=/bin/hostname
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ID=/usr/bin/id
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INSTALL=/usr/bin/install
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MAKEDBM=/usr/sbin/makedbm
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YPWHICH=/usr/bin/ypwhich
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YPXFR=/usr/sbin/ypxfr
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progname=`basename $0`
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yp_dir=/var/yp
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tmpfile=/tmp/ypservers.$$
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trap 'rm -f ${tmpfile} ; exit 0' 0 2 3
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umask 077 # protect created directories
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if [ `${ID} -u` != 0 ]; then
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echo 1>&2 "$progname: you must be root to run this"
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exit 1
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fi
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args=`getopt cms: $*`
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if [ $? -eq 0 ]; then
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set -- $args
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for i; do
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case $i in
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"-c")
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servertype=client
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shift
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;;
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"-m")
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servertype=master
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shift
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;;
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"-s")
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servertype=slave
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master=${2}
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shift
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shift
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;;
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"--")
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shift
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break
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;;
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esac
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done
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if [ $# -eq 1 ]; then
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domain=${1}
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shift;
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else
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domain=`${DOMAINNAME}`
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fi
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fi
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if [ -z ${servertype} ]; then
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cat 1>&2 << __usage
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usage: ${progname} -c [domainname]
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${progname} -m [domainname]
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${progname} -s master_server [domainname]
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The \`-c' flag sets up a YP client, the \`-m' flag builds a master YP
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server, and the \`-s' flag builds a slave YP server. When building a
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slave YP server, \`master_server' must be an existing, reachable YP server.
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__usage
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exit 1
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fi
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# Check if domainname is set, don't accept an empty domainname
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if [ -z "${domain}" ]; then
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cat << __no_domain 1>&2
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$progname: The local host's YP domain name has not been set.
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Please set it with the domainname(1) command or pass the domain as
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an argument to ${progname}.
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__no_domain
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exit 1
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fi
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# Check if hostname is set, don't accept an empty hostname
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host=`${HOSTNAME}`
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if [ -z "${host}" ]; then
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cat 1>&2 << __no_hostname
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$progname: The local host's hostname has not been set.
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Please set it with the hostname(1) command.
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__no_hostname
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exit 1
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fi
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if [ "${servertype}" = "slave" -a "${host}" = "${master}" ]; then
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echo 1>&2 \
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"$progname: cannot setup a YP slave server off the local host."
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exit 1
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fi
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# Check if the YP directory exists.
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if [ ! -d ${yp_dir} -o -f ${yp_dir} ]; then
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cat 1>&2 << __no_dir
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$progname: The directory ${yp_dir} does not exist.
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Restore it from the distribution.
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__no_dir
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exit 1
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fi
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echo "Server type: ${servertype}"
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echo "Domain: ${domain}"
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if [ "${servertype}" = "slave" ]; then
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echo "Master: ${master}"
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fi
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echo ""
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binding_dir=${yp_dir}/binding
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if [ ! -d ${binding_dir} ]; then
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$progname: The directory ${binding_dir} does not exist.
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Restore it from the distribution.
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__no_dir
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exit 1
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fi
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cat << __client_setup
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A YP client needs a list of YP servers to bind to.
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Whilst ypbind supports -broadcast, its use is not recommended.
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__client_setup
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done=
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while [ -z "${done}" ]; do
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rm -f ${tmpfile}
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touch ${tmpfile}
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cat <<__list_of_servers
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Please enter a list of YP servers, in order of preference.
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When finished, press RETURN on a blank line or enter EOF.
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__list_of_servers
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if [ "${servertype}" != "client" ]; then
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echo ${host} >> ${tmpfile}
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echo " next host: ${host}";
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fi
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echo -n " next host: ";
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while read nextserver ; test -n "${nextserver}"
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do
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echo ${nextserver} >> ${tmpfile}
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echo -n " next host: ";
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done
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if [ -s ${tmpfile} ]; then
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echo ""
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echo "The current servers are:"
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echo ""
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cat ${tmpfile}
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echo ""
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echo -n "Is this correct? [y/n: n] "
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read DONE
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case ${DONE} in
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y*|Y*)
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done=yes
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;;
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esac
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else
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echo ""
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echo "You have not supplied any servers."
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fi
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if [ -z "${done}" ]; then
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echo -n "Do you wish to abort? [y/n: n] "
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read ABORT
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case ${ABORT} in
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y*|Y*)
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exit 0
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;;
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esac
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fi
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done
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if [ -s ${tmpfile} ]; then
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${INSTALL} -c -m 0444 ${tmpfile} ${binding_dir}/${domain}.ypservers
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fi
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rm -f ${tmpfile}
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if [ "${servertype}" = "client" ]; then
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exit 0
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fi
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cat << __notice1
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Installing the YP database may require that you answer a few questions.
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Any configuration questions will be asked at the beginning of the procedure.
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__notice1
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if [ -d "${yp_dir}/${domain}" ]; then
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echo "Can we destroy the existing ${yp_dir}/${domain}"
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echo -n "and its contents? [y/n: n] "
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read KILL
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case ${KILL} in
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y*|Y*)
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rm -rf ${yp_dir}/${domain}
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if [ $? != 0 ]; then
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echo 1>&2 \
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"$progname: Can't clean up old directory ${yp_dir}/${domain}"
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exit 1
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fi
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;;
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*)
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echo "OK, please clean it up by hand and start again."
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exit 0
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;;
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esac
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fi
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if ! mkdir "${yp_dir}/${domain}"; then
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echo 1>&2 "$progname: Can't make new directory ${yp_dir}/${domain}"
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exit 1
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fi
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case ${servertype} in
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master)
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if [ ! -f ${yp_dir}/Makefile ]; then
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if [ ! -f ${yp_dir}/Makefile.main ]; then
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echo 1>&2 \
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"$progname: Can't find ${yp_dir}/Makefile.main"
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exit 1
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fi
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cp ${yp_dir}/Makefile.main ${yp_dir}/Makefile
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fi
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subdir=`grep "^SUBDIR=" ${yp_dir}/Makefile`
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if [ -z "${subdir}" ]; then
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echo 1>&2 \
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"$progname: Can't find line starting with 'SUBDIR=' in ${yp_dir}/Makefile"
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exit 1
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fi
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newsubdir="SUBDIR="
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for dir in `echo ${subdir} | cut -c8-255`; do
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if [ "${dir}" != "${domain}" ]; then
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newsubdir="${newsubdir} ${dir}"
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fi
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done
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newsubdir="${newsubdir} ${domain}"
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if [ -f ${yp_dir}/Makefile.tmp ]; then
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rm ${yp_dir}/Makefile.tmp
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fi
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mv ${yp_dir}/Makefile ${yp_dir}/Makefile.tmp
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sed -e "s/^${subdir}/${newsubdir}/" ${yp_dir}/Makefile.tmp > \
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${yp_dir}/Makefile
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rm ${yp_dir}/Makefile.tmp
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if [ ! -f ${yp_dir}/Makefile.yp ]; then
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echo 1>&2 "$progname: Can't find ${yp_dir}/Makefile.yp"
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exit 1
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fi
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cp ${yp_dir}/Makefile.yp ${yp_dir}/${domain}/Makefile
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# Create `ypservers' with own name, so that yppush won't
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# lose when we run "make".
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(
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cd ${yp_dir}/${domain}
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echo "$host $host" > ypservers
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${MAKEDBM} ypservers ypservers
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)
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echo "Done. Be sure to run \`make' in ${yp_dir}."
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;;
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slave)
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echo ""
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maps=`${YPWHICH} -d ${domain} -h ${master} -f -m 2>/dev/null | \
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awk '{ if (substr($2, 1, length("'$master'")) == "'$master'") \
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print $1; }'`
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if [ -z "${maps}" ]; then
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cat 1>&2 << __no_maps
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$progname: Can't find any maps for ${domain} on ${master}
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Please check that the appropriate YP service is running.
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__no_maps
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exit 1
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fi
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for map in ${maps}; do
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echo "Transferring ${map}..."
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if ! ${YPXFR} -h ${master} -c -d ${domain} ${map}; then
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echo 1>&2 "$progname: Can't transfer map ${map}"
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exit 1
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fi
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done
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cat << __dont_forget
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Don't forget to update the \`ypservers' on ${master},
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by adding an entry similar to:
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${host} ${host}
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__dont_forget
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exit 0
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;;
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*)
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echo 1>&2 "$progname: unknown servertype \`${servertype}'"
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exit 1
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esac
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