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239 lines
5.1 KiB
239 lines
5.1 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2011 OpenWrt.org
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# Copyright (C) 2011 Linus Lüssing
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# Based on Jo-Philipp Wich's OpenVPN init script
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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START=42
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SERVICE_USE_PID=1
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BIN=/usr/sbin/tincd
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EXTRA_COMMANDS="up down"
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LIST_SEP="
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"
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TMP_TINC="/tmp/tinc"
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append_param() {
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local v="$1"
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case "$v" in
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*_*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
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*_*_*) v=${v%%_*}-${v#*_}; v=${v%%_*}-${v#*_} ;;
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*_*) v=${v%%_*}-${v#*_} ;;
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esac
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ARGS="$ARGS --$v"
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return 0
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}
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append_conf_bools() {
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local p; local v; local s="$1"; local f="$2"; shift; shift
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for p in $*; do
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config_get_bool v "$s" "$p"
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[ "$v" == 1 ] && echo "$p = yes" >> "$f"
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[ "$v" == 0 ] && echo "$p = no" >> "$f"
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done
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}
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append_params() {
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local p; local v; local s="$1"; shift
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for p in $*; do
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config_get v "$s" "$p"
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IFS="$LIST_SEP"
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for v in $v; do
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[ -n "$v" ] && append_param "$p" && ARGS="$ARGS=$v"
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done
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unset IFS
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done
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}
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append_conf_params() {
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local p; local v; local s="$1"; local f="$2"; shift; shift
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for p in $*; do
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config_get v "$s" "$p"
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IFS="$LIST_SEP"
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for v in $v; do
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# Look up OpenWRT interface names
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[ "$p" = "BindToInterface" ] && {
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local ifname=$(uci -P /var/state get network.$v.ifname 2>&-)
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[ -n "$ifname" ] && v="$ifname"
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}
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[ -n "$v" ] && echo "$p = $v" >> "$f"
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done
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unset IFS
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done
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}
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section_enabled() {
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config_get_bool enabled "$1" 'enabled' 0
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[ $enabled -gt 0 ]
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}
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prepare_host() {
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local s="$1"
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local n
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# net disabled?
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config_get n "$s" net
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section_enabled "$n" || return 1
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if [ "$#" = "2" ]; then
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[ "$2" != "$n" ] && return 1
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fi
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# host disabled?
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section_enabled "$s" || {
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[ -f "$TMP_TINC/$n/hosts/$s" ] && rm "$TMP_TINC/$n/hosts/$s"
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return 1
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}
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[ ! -f "/etc/tinc/$n/hosts/$s" ] && {
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echo -n "tinc: Warning, public key for $s for network $n "
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echo -n "missing in /etc/tinc/$n/hosts/$s, "
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echo "skipping configuration of $s"
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return 1
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}
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# append flags
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append_conf_bools "$s" "$TMP_TINC/$n/hosts/$s" \
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ClampMSS IndirectData PMTUDiscovery TCPOnly
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# append params
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append_conf_params "$s" "$TMP_TINC/$n/hosts/$s" \
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Address Cipher Compression Digest MACLength PMTU \
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Port PublicKey PublicKeyFile Subnet
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}
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check_gen_own_key() {
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local s="$1"; local n; local k
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config_get n "$s" Name
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config_get_bool k "$s" generate_keys 0
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[ "$k" == 0 ] && return 0
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([ -z "$n" ] || [ -f "$TMP_TINC/$s/hosts/$n" ] || [ -f "$TMP_TINC/$s/rsa_key.priv" ]) && \
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return 0
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[ ! -d "$TMP_TINC/$s/hosts" ] && mkdir -p "$TMP_TINC/$s/hosts"
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config_get k "$s" key_size
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if [ -z "$k" ]; then
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$BIN -c "$TMP_TINC/$s" --generate-keys </dev/null
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else
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$BIN -c "$TMP_TINC/$s" "--generate-keys=$k" </dev/null
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fi
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[ ! -d "/etc/tinc/$s/hosts" ] && mkdir -p "/etc/tinc/$s/hosts"
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cp "$TMP_TINC/$s/rsa_key.priv" "/etc/tinc/$s/"
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[ -n "$n" ] && cp "$TMP_TINC/$s/hosts/$n" "/etc/tinc/$s/hosts/"
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}
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prepare_net() {
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local s="$1"
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local n
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section_enabled "$s" || return 1
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[ -d "$TMP_TINC/$s" ] && rm -rf "$TMP_TINC/$s/"
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mkdir -p "$TMP_TINC/$s"
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[ -d "/etc/tinc/$s" ] && cp -r "/etc/tinc/$s" "$TMP_TINC/"
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# append flags
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append_conf_bools "$s" "$TMP_TINC/$s/tinc.conf" \
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DecrementTTL DirectOnly Hostnames IffOneQueue \
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LocalDiscovery PriorityInheritance StrictSubnets TunnelServer \
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ClampMSS IndirectData PMTUDiscovery TCPOnly
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# append params
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append_conf_params "$s" "$TMP_TINC/$s/tinc.conf" \
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AddressFamily BindToAddress ConnectTo BindToInterface \
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Broadcast Device DeviceType Forwarding \
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GraphDumpFile Interface KeyExpire MACExpire \
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MaxTimeout Mode Name PingInterval PingTimeout \
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PrivateKey PrivateKeyFile ProcessPriority ReplayWindow \
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UDPRcvBuf UDPSndBuf \
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Address Cipher Compression Digest MACLength PMTU \
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Port PublicKey PublicKeyFile Subnet
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check_gen_own_key "$s" && return 0
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}
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start_instance() {
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local s="$1"
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section_enabled "$s" || return 1
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ARGS=""
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# append params
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append_params "$s" logfile debug
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SERVICE_PID_FILE="/var/run/tinc.$s.pid"
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service_start $BIN -c "$TMP_TINC/$s" -n $s $ARGS --pidfile="$SERVICE_PID_FILE"
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}
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stop_instance() {
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local s="$1"
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section_enabled "$s" || return 1
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SERVICE_PID_FILE="/var/run/tinc.$s.pid"
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service_stop $BIN
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# rm old config
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rm -rf "$TMP_TINC/$s/"
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}
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reload_instance() {
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local s="$1"
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section_enabled "$s" || return 1
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SERVICE_PID_FILE="/var/run/tinc.$s.pid"
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service_reload $BIN
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}
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start() {
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config_load 'tinc'
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config_foreach prepare_net 'tinc-net'
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config_foreach prepare_host 'tinc-host'
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config_foreach start_instance 'tinc-net'
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}
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stop() {
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config_load 'tinc'
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config_foreach stop_instance 'tinc-net'
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}
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reload() {
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config_load 'tinc'
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config_foreach reload_instance 'tinc-net'
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}
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up() {
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local exists
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local instance
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config_load 'tinc'
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for instance in "$@"; do
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config_get exists "$instance" 'TYPE'
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if [ "$exists" == "tinc-net" ]; then
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prepare_net "$instance"
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config_foreach prepare_host 'tinc-host' "$instance"
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start_instance "$instance"
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fi
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done
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}
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down() {
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local exists
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local instance
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config_load 'tinc'
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for instance in "$@"; do
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config_get exists "$instance" 'TYPE'
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if [ "$exists" == "tinc-net" ]; then
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stop_instance "$instance"
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fi
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done
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}
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