mirror of
https://github.com/Ponce/slackbuilds
synced 2024-11-22 19:44:21 +01:00
262 lines
8 KiB
Bash
262 lines
8 KiB
Bash
#!/bin/bash
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CONFIGFILE="/etc/default/dnscrypt-wrapper"
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DAEMON="/usr/bin/dnscrypt-wrapper"
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. $CONFIGFILE
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start_instance() {
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if [ -z ${PIDFILE[$1]} ]; then
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echo "No configuration for instance $1 found!"
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return
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fi
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if [ -r ${PIDFILE[$1]} ]; then
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PID=$(cat ${PIDFILE[$1]})
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if [ -z "$PID" ] || ! kill -0 $PID ; then
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echo "Removing stale PID file..."
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rm -f ${PIDFILE[$1]}
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else
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echo "dnscrypt-wrapper (instance $1) already running!"
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return
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fi
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fi
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# dnscrypt-wrapper will NOT work without this. /dev/urandom is required in
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# the chroot.
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if [ -n "${CHROOTDIR[$1]}" ]; then
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if [ "$(readlink -f ${CHROOTDIR[$1]})" != "/" ]; then
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if [ ! -d ${CHROOTDIR[$1]} ]; then
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mkdir -p ${CHROOTDIR[$1]}
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chmod 755 ${CHROOTDIR[$1]}
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fi
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if [ ! -d ${CHROOTDIR[$1]}/dev ]; then
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mkdir -p ${CHROOTDIR[$1]}/dev
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chmod 755 ${CHROOTDIR[$1]}/dev
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fi
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if [ ! -c ${CHROOTDIR[$1]}/dev/urandom ]; then
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mknod -m 666 ${CHROOTDIR[$1]}/dev/urandom c 1 9
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fi
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fi
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fi
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OPTIONS="-d"
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if [ -n "${LISTENADDRESS[$1]}" ]; then
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OPTIONS="${OPTIONS} --listen-address=${LISTENADDRESS[$1]}"
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fi
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if [ -n "${PIDFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --pidfile=${PIDFILE[$1]}"
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fi
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if [ -n "${USER[$1]}" ]; then
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OPTIONS="${OPTIONS} --user=${USER[$1]}"
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fi
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if [ -n "${DNSCRYPTDIR[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-publickey-file=${DNSCRYPTDIR[$1]}/crypt_public.key"
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OPTIONS="${OPTIONS} --crypt-secretkey-file=${DNSCRYPTDIR[$1]}/crypt_secret.key"
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OPTIONS="${OPTIONS} --provider-publickey-file=${DNSCRYPTDIR[$1]}/public.key"
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OPTIONS="${OPTIONS} --provider-secretkey-file=${DNSCRYPTDIR[$1]}/secret.key"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTPUBLICKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-publickey-file=${CRYPTPUBLICKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTSECRETKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-secretkey-file=${CRYPTSECRETKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERPUBLICKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-publickey-file=${PROVIDERPUBLICKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERSECRETKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-secretkey-file=${PROVIDERSECRETKEYFILE[$1]}"
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fi
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if [ -n "${RESOLVERADDRESS[$1]}" ]; then
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OPTIONS="${OPTIONS} --resolver-address=${RESOLVERADDRESS[$1]}"
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fi
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if [ -n "${PROVIDERNAME[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-name=${PROVIDERNAME[$1]}"
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fi
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if [ -n "${PROVIDERCERTFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-cert-file=${PROVIDERCERTFILE[$1]}"
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fi
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if [ -n "${LOGFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --logfile=${LOGFILE[$1]}"
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fi
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$DAEMON $OPTIONS
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}
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stop_instance() {
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if [ -z ${PIDFILE[$1]} ]; then
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echo "No configuration for instance $1 found!"
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return
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fi
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if [ ! -r ${PIDFILE[$1]} ]; then
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echo "dnscrypt-wrapper (instance $1) is not running!"
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return
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fi
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echo "Stopping dnscrypt-wrapper (instance $1)..."
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kill $(cat ${PIDFILE[$1]})
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rm -f ${PIDFILE[$1]}
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}
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status_instance() {
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if [ -z ${PIDFILE[$1]} ]; then
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echo "No configuration for instance $1 found!"
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return
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fi
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if [ ! -r ${PIDFILE[$1]} ]; then
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echo "dnscrypt-wrapper (instance $1) is not running."
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return
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fi
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PID=$(cat ${PIDFILE[$1]})
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if [ -z "$PID" ]; then
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echo "PID file is empty! dnscrypt-wrapper (instance $1) does not appear to be running, but there is a stale PID file."
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elif kill -0 $PID ; then
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echo "dnscrypt-wrapper (instance $1) is running."
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else
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echo "dnscrypt-wrapper (instance $1) is not running, but there is a stale PID file."
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fi
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}
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generate-keys_instance() {
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if [ -z ${PIDFILE[$1]} ]; then
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echo "No configuration for instance $1 found!"
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return
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fi
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if [ -z ${DNSCRYPTDIR[$1]} ]; then
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echo "DNSCRYPTDIR not set for instance $1! Either set DNSCRYPTDIR or generate keys manually."
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return
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fi
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(
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echo "Generating keys for instance $1. You should record the fingerprint, since this will be used by clients."
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cd ${DNSCRYPTDIR[$1]}
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rm -f crypt_secret.key crypt_public.key public.key secret.key
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$DAEMON --gen-provider-keypair
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$DAEMON --gen-crypt-keypair
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chmod 0600 crypt_secret.key crypt_public.key public.key secret.key
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)
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}
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generate-cert_instance() {
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if [ -z ${PIDFILE[$1]} ]; then
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echo "No configuration for instance $1 found!"
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return
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fi
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if [ -z ${PROVIDERCERTFILE[$1]} ]; then
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echo "PROVIDERCERTFILE for instance $1 not set! Set PROVIDERCERTFILE before generating a certificate."
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return
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fi
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OPTIONS=""
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if [ -n "${DNSCRYPTDIR[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-publickey-file=${DNSCRYPTDIR[$1]}/crypt_public.key"
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OPTIONS="${OPTIONS} --crypt-secretkey-file=${DNSCRYPTDIR[$1]}/crypt_secret.key"
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OPTIONS="${OPTIONS} --provider-publickey-file=${DNSCRYPTDIR[$1]}/public.key"
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OPTIONS="${OPTIONS} --provider-secretkey-file=${DNSCRYPTDIR[$1]}/secret.key"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTPUBLICKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-publickey-file=${CRYPTPUBLICKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${CRYPTSECRETKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --crypt-secretkey-file=${CRYPTSECRETKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERPUBLICKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-publickey-file=${PROVIDERPUBLICKEYFILE[$1]}"
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fi
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if [ -z "${DNSCRYPTDIR[$1]}" ] && [ -n "${PROVIDERSECRETKEYFILE[$1]}" ]; then
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OPTIONS="${OPTIONS} --provider-secretkey-file=${PROVIDERSECRETKEYFILE[$1]}"
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fi
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(
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echo "Generating certificate for instance $1."
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mkdir /tmp/dnscrypt-wrapper-$$
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cd /tmp/dnscrypt-wrapper-$$
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$DAEMON $OPTIONS --gen-cert-file
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chmod 0600 dnscrypt.cert
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mv -f dnscrypt.cert ${PROVIDERCERTFILE[$1]}
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cd /
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rmdir /tmp/dnscrypt-wrapper-$$
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)
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}
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start() {
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for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
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do
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start_instance $i
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done
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}
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stop() {
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for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
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do
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stop_instance $i
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done
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}
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status() {
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for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
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do
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status_instance $i
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done
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}
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generate-keys() {
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for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
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do
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generate-keys_instance $i
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done
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}
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generate-cert() {
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for i in `/usr/bin/seq 0 $((${#PIDFILE[@]}-1))`
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do
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generate-cert_instance $i
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done
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}
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case "$1" in
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'start')
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start
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;;
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'stop')
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stop
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;;
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'restart')
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stop
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start
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;;
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'status')
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status
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;;
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'generate-keys')
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generate-keys
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;;
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'generate-cert')
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generate-cert
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;;
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*_start)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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start_instance $INSTANCE
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;;
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*_stop)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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stop_instance $INSTANCE
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;;
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*_restart)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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stop_instance $INSTANCE
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sleep 1
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start_instance $INSTANCE
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;;
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*_status)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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status_instance $INSTANCE
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;;
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*_generate-keys)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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generate-keys_instance $INSTANCE
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;;
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*_generate-cert)
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INSTANCE=`echo $1 | /bin/cut -d '_' -f 1`
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generate-cert_instance $INSTANCE
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;;
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*)
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echo "Usage: $0 {start|stop|restart|status|generate-keys|generate-cert|#_start|#_stop|#_restart|#_status|#_generate-keys|#_generate-cert}"
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exit 1
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;;
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esac
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