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0cc17a06
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Lorenz Schori
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#!/bin/sh
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# openvpn learn-address script maintaining DNS entries of connected clients in
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# unbound config.
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bb38fe11
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Lorenz Schori
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DOMAIN="${1}"
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OP="${2}"
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IP="${3}"
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CN="${4}"
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0cc17a06
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Lorenz Schori
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e6e7b00c
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jim-p
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# Trim domain off to avoid duplication if the CN is an FQDN
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CN=${CN%%.${DOMAIN}}
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de8d3c07
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Lorenz Schori
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DIR="/var/unbound"
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PIDFILE="/var/run/unbound.pid"
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a357737c
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Lorenz Schori
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if [ -n "${IP}" -a "$(/usr/bin/basename ${IP})" = "${IP}" ]; then
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f4e8b87a
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Lorenz Schori
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CONF="${DIR}/openvpn.client.${IP}.conf"
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bb38fe11
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Lorenz Schori
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case "${OP}" in
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76258fa4
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Lorenz Schori
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f4e8b87a
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Lorenz Schori
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add|update)
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a357737c
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Lorenz Schori
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TMPCONF=$(/usr/bin/mktemp "${CONF}.XXXXXX")
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TMPSRV=$(/usr/bin/mktemp "${CONF}.XXXXXX")
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76258fa4
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Lorenz Schori
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bb38fe11
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Lorenz Schori
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if [ -f "${TMPCONF}" -a -f "${TMPSRV}" ]; then
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5d518166
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Lorenz Schori
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# Remove all configs which mention the FQDN
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bb38fe11
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Lorenz Schori
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/usr/bin/grep -l -null "^local-data: \"${CN}.${DOMAIN} A " ${DIR}/openvpn.client.*.conf | /usr/bin/xargs -0 /bin/rm
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/bin/test -f "${CONF}" && /bin/rm "${CONF}"
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5d518166
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Lorenz Schori
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# Add new local-data entry.
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(
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echo "local-data-ptr: \"${IP} ${CN}.${DOMAIN}\"" &&
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echo "local-data: \"${CN}.${DOMAIN} A ${IP}\"" &&
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echo "local-data: \"${CN} A ${IP}\""
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bb38fe11
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Lorenz Schori
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) > "${TMPCONF}"
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5d518166
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Lorenz Schori
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# Check syntax, install configuration and restart unbound.
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(
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echo "server:" &&
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echo "chroot: ${DIR}" &&
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echo "directory: ${DIR}" &&
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echo "include: ${TMPCONF}"
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bb38fe11
|
Lorenz Schori
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) > "${TMPSRV}"
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5d518166
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Lorenz Schori
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bb38fe11
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Lorenz Schori
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/bin/chmod 644 "${TMPCONF}" "${TMPSRV}"
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/usr/local/sbin/unbound-checkconf "${TMPSRV}" && /bin/mv "${TMPCONF}" "${CONF}"
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5d518166
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Lorenz Schori
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bb38fe11
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Lorenz Schori
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/bin/pkill -HUP -F "${PIDFILE}"
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5d518166
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Lorenz Schori
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fi
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bb38fe11
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Lorenz Schori
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/bin/test -f "${TMPCONF}" && /bin/rm "${TMPCONF}"
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/bin/test -f "${TMPSRV}" && /bin/rm "${TMPSRV}"
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f4e8b87a
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Lorenz Schori
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;;
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76258fa4
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Lorenz Schori
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f4e8b87a
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Lorenz Schori
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delete)
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# CN is not set on delete.
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bb38fe11
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Lorenz Schori
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/bin/test -f "${CONF}" && /bin/rm "${CONF}" && /bin/pkill -HUP -F "${PIDFILE}"
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f4e8b87a
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Lorenz Schori
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;;
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76258fa4
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Lorenz Schori
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f4e8b87a
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Lorenz Schori
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esac
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fi
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0cc17a06
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Lorenz Schori
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exit 0
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