67 lines
1.2 KiB
Bash
Executable file
67 lines
1.2 KiB
Bash
Executable file
#!/bin/bash
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# shellcheck disable=SC2034
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die() {
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echo "exitting..."
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rm -f $PIPE
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exit 0
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}
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trap 'die' SIGTERM SIGQUIT SIGINT
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PIPE="/var/run/vpnd.sock"
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oc_pid=
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[ -p $PIPE ] && exit 1
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[ "$(id -u)" != "0" ] && exit 1
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declare -a CONFIGS
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for config in /etc/openconnect/config_*; do
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config="$(basename "$config")"
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CONFIGS+=("${config#config_}")
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done
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COMMANDS=("up" "down")
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in_arr() {
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declare -n arr="$2"
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for value in "${arr[@]}"; do
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[ "$value" = "$1" ] && return 0
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done
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return 1
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}
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down() {
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[ -z "$oc_pid" ] && return
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kill -s TERM $oc_pid
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wait $oc_pid
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oc_pid=
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}
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up() {
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[ -n "$oc_pid" ] && down
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openconnect --config "/etc/openconnect/config_$1" &
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oc_pid="$!"
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}
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main() {
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mkfifo $PIPE -m666
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while :; do
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read -r cmd ifname < $PIPE
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if ! in_arr "$ifname" "CONFIGS"; then
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echo "ERROR: Invalid interface $ifname" > $PIPE
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elif ! in_arr "$cmd" "COMMANDS"; then
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echo "ERROR: Invalid command $cmd" > $PIPE
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else
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case "$cmd" in
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"up") up "$ifname" > $PIPE ;;
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"down") down > $PIPE ;;
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esac
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fi
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done
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}
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main
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