Openwrt sockd init scripts

etc_config_sockd

config sockd
        option external                 'wg0'
        option internal                 '127.0.0.1'
        option clientmethod             'none'
        option socksmethod              'none'
        option user_privileged          'root'
        option user_notprivileged       'nobody'
        option logoutput                'syslog'
        option port                     '10080'

etc_hotplug.d_iface_60-sockd

#!/bin/sh

[ "$ACTION" = ifup ] || exit 0

/etc/init.d/sockd enabled && /etc/init.d/sockd start

etc_init.d_sockd

#!/bin/sh /etc/rc.common

START=90

USE_PROCD=1
PROG=/usr/sbin/sockd

CONFIGFILE="/var/etc/sockd.conf"

xappend() {
        local value="$1"

        echo "${value#--}" >> $CONFIGFILE
}

append_parm() {
        local section="$1"
        local option="$2"
        local switch="$3"
        local defval="$4"
        local _loctmp
        config_get _loctmp "$section" "$option"
        if [ -z "$_loctmp" ]; then
                [ -z "$defval" ] && return 0
                xappend "$switch: $defval"
        else
                xappend "$switch: $_loctmp"
        fi
}

sockd(){
        local cfg="$1"

        append_parm "$cfg" "socksmethod" "--socksmethod"
        append_parm "$cfg" "clientmethod" "--clientmethod"
        append_parm "$cfg" "user_privileged" "--user.privileged" "root"
        append_parm "$cfg" "user_notprivileged" "--user.notprivileged" "nobody"
        append_parm "$cfg" "logoutput" "--logoutput" "syslog"

        local _extif _intif _extip _intip
        config_get _extif "$cfg" "external"
        [ -z "$_extif" ] && _extif="wan"
        config_get _intif "$cfg" "internal"
        [ -z "$_intif" ] && _intif="lan"

        network_flush_cache
        network_get_ipaddr _extip $_extif
        xappend "--external: $_extif"
        network_get_ipaddr _intip $_intif
        local _port
        config_get _port "$cfg" "port" "1080"
        xappend "--internal: $_intif port = $_port"
        
                echo >> $CONFIGFILE
}

service_triggers() {
        procd_add_reload_trigger "sockd"
#       procd_add_network_trigger "wan"|"pppoe-wan"
}

boot() {
        # Will be launched through hotplug
        return 0
}

start_service() {
        include /lib/functions

        config_load sockd

        procd_open_instance
        procd_set_param command $PROG -f $CONFIGFILE
        procd_set_param file $CONFIGFILE
        procd_set_param netdev wan
        procd_set_param respawn
        procd_close_instance

        echo "# auto-generated config file from /etc/config/sockd" > $CONFIGFILE

        config_foreach sockd sockd

        [ -f /etc/sockd.conf ] && {
                cat /etc/sockd.conf >> $CONFIGFILE
        }
}

reload_service() {
        return 0
}

stop_service() {
        return 0
}

etc_sockd.conf

client pass {
        from: 0.0.0.0/0 to: 0.0.0.0/0
        log: error
#       log: connect disconnect error
}

socks pass {
        from: 0.0.0.0/0 to: 0.0.0.0/0
        protocol: tcp udp
}