lucca
158 lines
3.8 KiB
Bash
Executable File
158 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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##
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# Controls TP-LINK HS100,HS110, HS200 wlan smart plugs
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# Tested with HS100 firmware 1.0.8
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#
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# Credits to Thomas Baust for the query/status/emeter commands
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#
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# Author George Georgovassilis, https://github.com/ggeorgovassilis/linuxscripts
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echo args are $@
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ip=$1
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port=$2
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cmd=$3
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# encoded (the reverse of decode) commands to send to the plug
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# encoded {"system":{"set_relay_state":{"state":1}}}
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payload_on="AAAAKtDygfiL/5r31e+UtsWg1Iv5nPCR6LfEsNGlwOLYo4HyhueT9tTu36Lfog=="
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# encoded {"system":{"set_relay_state":{"state":0}}}
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payload_off="AAAAKtDygfiL/5r31e+UtsWg1Iv5nPCR6LfEsNGlwOLYo4HyhueT9tTu3qPeow=="
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# encoded { "system":{ "get_sysinfo":null } }
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payload_query="AAAAI9Dw0qHYq9+61/XPtJS20bTAn+yV5o/hh+jK8J7rh+vLtpbr"
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# the encoded request { "emeter":{ "get_realtime":null } }
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payload_emeter="AAAAJNDw0rfav8uu3P7Ev5+92r/LlOaD4o76k/6buYPtmPSYuMXlmA=="
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# tools
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check_dependencies() {
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command -v nc >/dev/null 2>&1 || { echo >&2 "The nc programme for sending data over the network isn't in the path, communication with the plug will fail"; exit 2; }
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command -v base64 >/dev/null 2>&1 || { echo >&2 "The base64 programme for decoding base64 encoded strings isn't in the path, decoding of payloads will fail"; exit 2; }
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command -v od >/dev/null 2>&1 || { echo >&2 "The od programme for converting binary data to numbers isn't in the path, the status and emeter commands will fail";}
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command -v read >/dev/null 2>&1 || { echo >&2 "The read programme for splitting text into tokens isn't in the path, the status and emeter commands will fail";}
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command -v printf >/dev/null 2>&1 || { echo >&2 "The printf programme for converting numbers into binary isn't in the path, the status and emeter commands will fail";}
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}
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show_usage() {
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echo Usage: $0 IP PORT COMMAND
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echo where COMMAND is one of on/off/check/status/emeter/toggle
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exit 1
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}
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check_arguments() {
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check_arg() {
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name="$1"
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value="$2"
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if [ -z "$value" ]; then
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echo "missing argument $name"
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show_usage
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fi
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}
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check_arg "ip" $ip
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check_arg "port" $port
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check_arg "command" $cmd
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}
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send_to_plug() {
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ip="$1"
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port="$2"
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payload="$3"
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echo -n "$payload" | base64 --decode | nc -v $ip $port || echo couldn''t connect to $ip:$port, nc failed with exit code $?
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}
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decode(){
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code=171
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offset=4
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input_num=`od -j $offset -An -t u1 -v | tr "\n" " "`
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IFS=' ' read -r -a array <<< "$input_num"
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args_for_printf=""
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for element in "${array[@]}"
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do
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output=$(( $element ^ $code ))
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args_for_printf="$args_for_printf\x$(printf %x $output)"
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code=$element
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done
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printf "$args_for_printf"
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}
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query_plug(){
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payload=$1
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send_to_plug $ip $port "$payload" | decode
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}
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# plug commands
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cmd_print_plug_relay_state(){
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output=`send_to_plug $ip $port "$payload_query" | decode | egrep -oa 'relay_state":[0,1]' | egrep -o '[0,1]'`
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if [[ $output -eq 0 ]]; then
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echo OFF
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elif [[ $output -eq 1 ]]; then
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echo ON
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else
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echo Couldn''t understand plug response $output
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fi
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}
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cmd_print_plug_status(){
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query_plug "$payload_query"
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}
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cmd_print_plug_consumption(){
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query_plug "$payload_emeter"
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}
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cmd_switch_on(){
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send_to_plug $ip $port $payload_on > /dev/null
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}
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cmd_switch_off(){
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send_to_plug $ip $port $payload_off > /dev/null
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}
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cmd_switch_toggle() {
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output=`cmd_print_plug_relay_state`
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if [[ $output == OFF ]]; then
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cmd_switch_on
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elif [[ $output == ON ]]; then
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cmd_switch_off
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else
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echo $output
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fi
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}
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##
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# Main programme
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##
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check_dependencies
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check_arguments
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case "$cmd" in
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on)
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cmd_switch_on
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;;
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off)
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cmd_switch_off
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;;
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toggle)
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cmd_switch_toggle
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;;
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check)
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cmd_print_plug_relay_state
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;;
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status)
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cmd_print_plug_status
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;;
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emeter)
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cmd_print_plug_consumption
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;;
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*)
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show_usage
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;;
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esac
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