Created
July 11, 2021 18:36
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Raspberry Pi WIFI detect script (GROOVY)
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| #!/usr/bin/env groovy | |
| @Grab(group='commons-cli', module='commons-cli', version='1.4') | |
| import groovy.json.JsonBuilder | |
| class Main { | |
| static main(args) { | |
| CommandLineInterface cli = CommandLineInterface.INSTANCE | |
| cli.parse(args) | |
| } | |
| } | |
| enum CommandLineInterface { | |
| INSTANCE | |
| CliBuilder cliBuilder | |
| CommandLineInterface() { | |
| cliBuilder = new CliBuilder( | |
| usage: 'wifi_setup [<options>]', | |
| header: 'Options:', | |
| footer: 'Place brief example usage here' | |
| ) | |
| // set the amount of columns the usage message will be wide | |
| cliBuilder.width = 80 // default is 74 | |
| cliBuilder.with { | |
| h(longOpt: 'help','Print this help text and exit.') | |
| l(longOpt: 'list','Change Network Config for Clustered IOT Devices') | |
| } | |
| } | |
| /* OPTIONS | |
| -h,--help | |
| -l,--list | |
| */ | |
| void parse(args) { | |
| OptionAccessor options = cliBuilder.parse(args) | |
| if (!options) { | |
| System.err << 'Error while parsing command-line options.\n' | |
| System.exit 1 | |
| }else{ | |
| if (options.h) { | |
| cliBuilder.usage() | |
| System.exit 0 | |
| } | |
| // list wifi; parse data in clean re-usable format | |
| if (options.l) { | |
| ArrayList wifiList = scanWifiList() | |
| if(wifiList[0]){ | |
| println("ERR: "+wifiList[0]) | |
| }else{ | |
| List lines = wifiList[1].split("\\r?\\n") | |
| lines = lines*.trim() | |
| LinkedHashMap wifiSettings = [] | |
| String lastField = '' | |
| LinkedHashMap cell = [] | |
| Integer qualityCutoff = 55 | |
| Integer inc = 1 | |
| String currentCell = inc.toString() | |
| lines.each(){ | |
| switch(it){ | |
| case ~/Cell [0-9]{2}.*/: | |
| def matcher = it =~ /Cell [0-9]{2} - Address: (.*)/ | |
| if(matcher.matches()){ | |
| if(!cell.isEmpty()){ | |
| if(cell.quality.toInteger()>=qualityCutoff){ | |
| wifiSettings.put(currentCell,cell) | |
| inc++ | |
| } | |
| cell = [] | |
| } | |
| currentCell = inc.toString() | |
| cell.put('address',matcher[0][1]) | |
| break | |
| } | |
| case ~/Quality=([0-9]{2})\/([0-9]{2}) .*/: | |
| def matcher = it =~ /Quality=([0-9]{2})\/([0-9]{2}) .*/ | |
| cell.put('quality',matcher[0][1]) | |
| break | |
| default: | |
| def matcher = it =~ /(ESSID|IE):(.*)/ | |
| if(matcher.matches()){ | |
| def key = matcher[0][1] | |
| def val = matcher[0][2] | |
| switch(key){ | |
| case 'ESSID': | |
| lastField = key | |
| cell.put('essid',val) | |
| break | |
| case 'IE': | |
| lastField = key | |
| cell.put('type','WPA') | |
| break | |
| } | |
| }else{ | |
| def matcher2 = it =~ /(Group Cipher|Pairwise Ciphers \(2\)|Authentication Suites \(1\)) : (.*)/ | |
| if(matcher2.matches()){ | |
| def key = matcher2[0][1] | |
| def val = matcher2[0][2] | |
| switch(key){ | |
| case 'Group Cipher': | |
| cell.put('group',val) | |
| break | |
| case 'Pairwise Ciphers (2)': | |
| cell.put('pairwise',val) | |
| break | |
| case 'Authentication Suites (1)': | |
| cell.put('auth',val) | |
| break | |
| } | |
| } | |
| } | |
| break | |
| } | |
| } | |
| //println(wifiSettings) | |
| JsonBuilder jsonBuilder = new JsonBuilder(wifiSettings) | |
| String json = jsonBuilder.toPrettyString() | |
| // serialize and store | |
| /* | |
| def kryo = new Kryo() | |
| kryo.register(Path, new PathSerializer(kryo)) | |
| def path = Paths.get('hola') | |
| Output output = new Output(new FileOutputStream("file.bin")); | |
| kryo.writeObject(output, path); | |
| output.close(); | |
| */ | |
| println(json) | |
| } | |
| } | |
| } | |
| } | |
| ArrayList scanWifiList(){ | |
| StringBuffer sout = new StringBuffer() | |
| StringBuffer serr = new StringBuffer() | |
| def process = ['/bin/bash','-c','sudo iwlist wlan0 scanning | egrep \'Cell|Quality|ESSID|IEEE 802.11i/WPA2 Version 1|WPA Version 1|Group Cipher|Pairwise Ciphers|Authentication Suites\''].execute() | |
| process.waitForProcessOutput(sout,serr) | |
| //def value = process.exitValue() | |
| process.waitForOrKill(1000) | |
| return [serr.toString(),sout.toString()] | |
| } | |
| //parseWifiList(String wifiList){ | |
| // | |
| //} | |
| /* | |
| void setupNetworking(String ssid, String password){ | |
| ssid=$1 | |
| password=$2 | |
| echo " | |
| network={ | |
| ssid=\"$1\" | |
| psk=\"$2\" | |
| }" | sudo tee -a "${rootPath}/etc/wpa_supplicant/wpa_supplicant.conf" > /dev/null | |
| } | |
| */ | |
| } | |
| class PathSerializer extends FieldSerializer<Path> { | |
| PathSerializer(Kryo kryo) { | |
| super(kryo, Path) | |
| } | |
| public void write (Kryo kryo, Output output, Path path) { | |
| def uri = path.toUri().toString() | |
| kryo.writeObject(output, uri) | |
| } | |
| public Path read (Kryo kryo, Input input, Class<Path> type) { | |
| def uri = kryo.readObject(input,String) | |
| Paths.get(new URI(uri)) | |
| } | |
| } |
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