commit
6e05a0b45c
@ -0,0 +1,3 @@
|
||||
node_modules
|
||||
npm-debug.log
|
||||
.*
|
||||
@ -0,0 +1,17 @@
|
||||
FROM node:16
|
||||
|
||||
# Create app directory
|
||||
WORKDIR /usr/src/app
|
||||
|
||||
# Install app dependencies
|
||||
COPY package*.json ./
|
||||
RUN npm install
|
||||
|
||||
RUN apt-get update
|
||||
RUN apt-get -y install \
|
||||
tcpdump
|
||||
|
||||
# Bundle app source
|
||||
COPY ./src/ .
|
||||
|
||||
CMD ["npm", "run", "start"]
|
||||
@ -0,0 +1,266 @@
|
||||
{
|
||||
"name": "rfmon-to-influx",
|
||||
"version": "1.0.0",
|
||||
"lockfileVersion": 2,
|
||||
"requires": true,
|
||||
"packages": {
|
||||
"": {
|
||||
"name": "rfmon-to-influx",
|
||||
"version": "1.0.0",
|
||||
"license": "AGPL-3.0",
|
||||
"dependencies": {
|
||||
"@influxdata/influxdb-client": "^1.20.0",
|
||||
"@influxdata/influxdb-client-apis": "^1.20.0",
|
||||
"log4js": "^6.3.0",
|
||||
"luxon": "^2.1.1",
|
||||
"string-argv": "^0.3.1"
|
||||
}
|
||||
},
|
||||
"node_modules/@influxdata/influxdb-client": {
|
||||
"version": "1.20.0",
|
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|
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|
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|
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|
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"peerDependencies": {
|
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
},
|
||||
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|
||||
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|
||||
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|
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|
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"node_modules/streamroller": {
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|
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|
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}
|
||||
@ -0,0 +1,23 @@
|
||||
{
|
||||
"name": "rfmon-to-influx",
|
||||
"version": "1.0.0",
|
||||
"description": "Writing (mostly meta-) data received in Wireless-Monitor-Mode into an InfluxDB",
|
||||
"main": "main.js",
|
||||
"scripts": {
|
||||
"test": "echo \"Error: no test specified\" && exit 1",
|
||||
"start": "node main.js"
|
||||
},
|
||||
"repository": {
|
||||
"type": "git",
|
||||
"url": "https://gitea.ruekov.eu/Ruakij/rfmon-to-influx"
|
||||
},
|
||||
"author": "Ruakij",
|
||||
"license": "AGPL-3.0",
|
||||
"dependencies": {
|
||||
"@influxdata/influxdb-client": "^1.20.0",
|
||||
"@influxdata/influxdb-client-apis": "^1.20.0",
|
||||
"log4js": "^6.3.0",
|
||||
"luxon": "^2.1.1",
|
||||
"string-argv": "^0.3.1"
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,105 @@
|
||||
const PacketType = {
|
||||
Beacon: 'Beacon',
|
||||
ProbeRequest: 'ProbeRequest',
|
||||
ProbeResponse: 'ProbeResponse',
|
||||
Data: 'Data',
|
||||
RequestToSend: 'RequestToSend',
|
||||
ClearToSend: 'ClearToSend',
|
||||
Acknowledgment: 'Acknowledgment',
|
||||
BlockAcknowledgment: 'BlockAcknowledgment',
|
||||
NoData: 'NoData',
|
||||
Authentication: 'Authentication',
|
||||
AssociationRequest: 'AssociationRequest',
|
||||
AssociationResponse: 'AssociationResponse',
|
||||
Disassociation: 'Disassociation',
|
||||
Handshake: 'Handshake',
|
||||
Unknown: 'Unknown'
|
||||
}
|
||||
|
||||
const FlagType = {
|
||||
MoreFragments: "MoreFragments",
|
||||
Retry: "Retry",
|
||||
PwrMgt: "PwrMgt",
|
||||
MoreData: "MoreData",
|
||||
Protected: "Protected",
|
||||
Order: "Order"
|
||||
}
|
||||
|
||||
class Packet{
|
||||
timestampMicros;
|
||||
|
||||
flags = {};
|
||||
|
||||
srcMac;
|
||||
dstMac;
|
||||
bssid;
|
||||
|
||||
signal;
|
||||
frequency;
|
||||
dataRate;
|
||||
|
||||
durationMicros;
|
||||
|
||||
payloadData;
|
||||
get payloadSize(){
|
||||
return this.payloadData.length;
|
||||
}
|
||||
|
||||
packetType;
|
||||
}
|
||||
|
||||
// Extensions of Packet
|
||||
class PacketWithSSID extends Packet{
|
||||
ssid;
|
||||
}
|
||||
|
||||
class BeaconPacket extends PacketWithSSID{}
|
||||
class ProbeRequestPacket extends PacketWithSSID{}
|
||||
class ProbeResponsePacket extends PacketWithSSID{}
|
||||
|
||||
const AuthenticationType = {
|
||||
OpenSystem_1: 'OpenSystem_1',
|
||||
OpenSystem_2: 'OpenSystem_2',
|
||||
Unknown: 'Unknown',
|
||||
}
|
||||
class AuthenticationPacket extends Packet{
|
||||
authenticationType;
|
||||
}
|
||||
|
||||
class AssociationRequestPacket extends PacketWithSSID{}
|
||||
class AssociationResponsePacket extends Packet{
|
||||
associationIsSuccessful;
|
||||
}
|
||||
|
||||
class DisassociationPacket extends Packet{
|
||||
disassociationReason;
|
||||
}
|
||||
|
||||
|
||||
const HandshakeStage = {
|
||||
1: '1',
|
||||
2: '2',
|
||||
3: '3',
|
||||
4: '4'
|
||||
}
|
||||
class HandshakePacket extends Packet{
|
||||
handshakeStage;
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
PacketType,
|
||||
FlagType,
|
||||
Packet,
|
||||
PacketWithSSID,
|
||||
BeaconPacket,
|
||||
ProbeRequestPacket,
|
||||
ProbeResponsePacket,
|
||||
AuthenticationType,
|
||||
AuthenticationPacket,
|
||||
AssociationRequestPacket,
|
||||
AssociationResponsePacket,
|
||||
DisassociationPacket,
|
||||
HandshakeStage,
|
||||
HandshakePacket,
|
||||
};
|
||||
@ -0,0 +1,13 @@
|
||||
function requireEnvVars(requiredEnv){
|
||||
// Ensure required ENV vars are set
|
||||
let unsetEnv = requiredEnv.filter((env) => !(typeof process.env[env] !== 'undefined'));
|
||||
|
||||
if (unsetEnv.length > 0) {
|
||||
return "Required ENV variables are not set: [" + unsetEnv.join(', ') + "]";
|
||||
}
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
requireEnvVars
|
||||
};
|
||||
@ -0,0 +1,18 @@
|
||||
const logger = require("./logger.js")("exec");
|
||||
|
||||
const { spawn } = require("child_process");
|
||||
const { parseArgsStringToArgv } = require('string-argv');
|
||||
|
||||
|
||||
function exec(cmd, options){
|
||||
const [bin, ...args] = parseArgsStringToArgv(cmd);
|
||||
|
||||
logger.addContext("binary", "bin");
|
||||
logger.debug(`Spawn process '${cmd}'`);
|
||||
return spawn(bin, args, options);
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
exec
|
||||
};
|
||||
@ -0,0 +1,24 @@
|
||||
// From https://stackoverflow.com/a/34356351
|
||||
|
||||
// Convert a hex string to a byte array
|
||||
function hexToBytes(hex) {
|
||||
for (var bytes = [], c = 0; c < hex.length; c += 2)
|
||||
bytes.push(parseInt(hex.substr(c, 2), 16));
|
||||
return bytes;
|
||||
}
|
||||
|
||||
// Convert a byte array to a hex string
|
||||
function bytesToHex(bytes) {
|
||||
for (var hex = [], i = 0; i < bytes.length; i++) {
|
||||
var current = bytes[i] < 0 ? bytes[i] + 256 : bytes[i];
|
||||
hex.push((current >>> 4).toString(16));
|
||||
hex.push((current & 0xF).toString(16));
|
||||
}
|
||||
return hex.join("");
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
hexToBytes,
|
||||
bytesToHex
|
||||
}
|
||||
@ -0,0 +1,61 @@
|
||||
const logger = require.main.require("./helper/logger.js")("influx-checks");
|
||||
|
||||
const Os = require("os");
|
||||
const { InfluxDB, Point } = require('@influxdata/influxdb-client')
|
||||
const Influx = require('@influxdata/influxdb-client-apis');
|
||||
|
||||
|
||||
function checkHealth(influxDb){
|
||||
return new Promise((resolve, reject) => {
|
||||
new Influx.HealthAPI(influxDb) // Check influx health
|
||||
.getHealth()
|
||||
.catch((err) => {
|
||||
logger.error("Could not communicate with Influx:");
|
||||
logger.error(`Error [${err.code}]:`, err.message);
|
||||
reject();
|
||||
})
|
||||
.then((res) => {
|
||||
logger.debug("Server healthy.", "Version: ", res.version);
|
||||
resolve(res);
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function checkBucket(influxDb, options){
|
||||
return new Promise((resolve, reject) => {
|
||||
new Influx.BucketsAPI(influxDb).getBuckets(options)
|
||||
.catch((err) => { // Weirdly the influx-Api returns 404 for searches of non-existing buckets
|
||||
logger.error("Could not get bucket:");
|
||||
logger.error(`Error [${err.code}]:`, err.message);
|
||||
reject();
|
||||
}).then((res) => { // But an empty list when the bucket exists, but token does not have permission to get details
|
||||
logger.debug("Bucket found");
|
||||
resolve(res);
|
||||
// Now we know the bucket exists and we have some kind of permission.. but we still dont know if we are able to write to it..
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
function checkWriteApi(influxDb, options){
|
||||
return new Promise((resolve, reject) => {
|
||||
const writeApi = influxDb.getWriteApi(options.org, options.bucket); // Get WriteAPI
|
||||
writeApi.writePoint(new Point("worker_connectionTest").tag("hostname", Os.hostname())) // Write point
|
||||
writeApi.close()
|
||||
.catch((err) => {
|
||||
logger.error("Could not get writeApi:");
|
||||
logger.error(`Error [${err.code}]:`, err.message);
|
||||
reject();
|
||||
}).then((res) => {
|
||||
logger.debug("Writing ok");
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
checkHealth,
|
||||
checkBucket,
|
||||
checkWriteApi,
|
||||
};
|
||||
@ -0,0 +1,11 @@
|
||||
const log4js = require("log4js");
|
||||
|
||||
|
||||
function setup(category = "unknown"){
|
||||
const logger = log4js.getLogger(category);
|
||||
logger.level = process.env.LOGLEVEL ?? "INFO";
|
||||
return logger;
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = setup;
|
||||
@ -0,0 +1,46 @@
|
||||
// This file specifies functions to help a user with e.g. configuration-errors
|
||||
|
||||
function detectStreamData(stream, timeout = 5000){
|
||||
return new Promise((resolve, reject) => {
|
||||
let timeoutHandler;
|
||||
if(timeout){
|
||||
timeoutHandler = setTimeout(() => {
|
||||
reject('timeout');
|
||||
remListeners();
|
||||
},
|
||||
timeout);
|
||||
}
|
||||
|
||||
function remListeners(){
|
||||
stream.removeListener('error', errorHandler);
|
||||
stream.removeListener('data', dataHandler);
|
||||
if(timeoutHandler) clearTimeout(timeoutHandler);
|
||||
}
|
||||
|
||||
function errorHandler(err) {
|
||||
remListeners();
|
||||
}
|
||||
function dataHandler(data) {
|
||||
resolve(data);
|
||||
remListeners();
|
||||
}
|
||||
|
||||
stream.on('error', errorHandler);
|
||||
stream.on('data', dataHandler);
|
||||
});
|
||||
}
|
||||
|
||||
function detectStreamsData(streams, timeout = 5000){
|
||||
let promises = [];
|
||||
streams.forEach((stream) => {
|
||||
promises.push(detectStreamData(stream, timeout));
|
||||
})
|
||||
return promises;
|
||||
}
|
||||
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
detectStreamData,
|
||||
detectStreamsData,
|
||||
};
|
||||
@ -0,0 +1,43 @@
|
||||
const { HandshakeStage } = require.main.require('./dto/Packet.js');
|
||||
|
||||
function keyInfoFromRaw(keyInfoRaw) {
|
||||
return {
|
||||
"KeyDescriptorVersion": keyInfoRaw>>0 & 0b111,
|
||||
"KeyType": keyInfoRaw>>3 & 0b1,
|
||||
"KeyIndex": keyInfoRaw>>4 & 0b11,
|
||||
"Install": keyInfoRaw>>6 & 0b1,
|
||||
"KeyACK": keyInfoRaw>>7 & 0b1,
|
||||
"KeyMIC": keyInfoRaw>>8 & 0b1,
|
||||
"Secure": keyInfoRaw>>9 & 0b1,
|
||||
"Error": keyInfoRaw>>10 & 0b1,
|
||||
"Request": keyInfoRaw>>11 & 0b1,
|
||||
"EncryptedKeyData": keyInfoRaw>>12 & 0b1,
|
||||
"SMKMessage": keyInfoRaw>>13 & 0b1,
|
||||
};
|
||||
}
|
||||
|
||||
const HANDSHAKE_STAGE_KEYINFO = {
|
||||
"keys": ["Install", "KeyACK", "KeyMIC", "Secure"],
|
||||
"0100": HandshakeStage[1],
|
||||
"0010": HandshakeStage[2],
|
||||
"1111": HandshakeStage[3],
|
||||
"0011": HandshakeStage[4],
|
||||
};
|
||||
function handshakeStageFromKeyInfo(keyInfo){
|
||||
|
||||
// Extract compare-keys
|
||||
let keyData = "";
|
||||
for (const key of HANDSHAKE_STAGE_KEYINFO['keys']) {
|
||||
keyData += keyInfo[key].toString();
|
||||
}
|
||||
|
||||
// Get and return stage
|
||||
return HANDSHAKE_STAGE_KEYINFO[keyData];
|
||||
}
|
||||
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
keyInfoFromRaw,
|
||||
handshakeStageFromKeyInfo,
|
||||
};
|
||||
@ -0,0 +1,131 @@
|
||||
"use strict";
|
||||
const logFactory = require("./helper/logger.js");
|
||||
const logger = logFactory("main");
|
||||
|
||||
const { requireEnvVars } = require("./helper/env.js");
|
||||
const { exit } = require("process");
|
||||
const { exec } = require("./helper/exec.js");
|
||||
|
||||
const { InfluxDB } = require('@influxdata/influxdb-client');
|
||||
const InfluxChecks = require('./helper/influx-checks.js');
|
||||
|
||||
const { RegexBlockStream } = require("./streamHandler/RegexBlockStream.js");
|
||||
const { PacketStreamFactory } = require("./streamHandler/PacketStreamFactory.js");
|
||||
const { PacketInfluxPointFactory } = require("./streamHandler/PacketInfluxPointFactory.js");
|
||||
const { InfluxPointWriter } = require("./streamHandler/InfluxPointWriter.js");
|
||||
|
||||
const userHelper = require("./helper/userHelper.js");
|
||||
|
||||
|
||||
/// Setup ENVs
|
||||
const env = process.env;
|
||||
// Defaults
|
||||
{
|
||||
env.LOGLEVEL ??= "INFO";
|
||||
env.WIFI_INTERFACE ??= "wlan0";
|
||||
}
|
||||
// Required vars
|
||||
let errorMsg = requireEnvVars([
|
||||
"INFLUX_URL", "INFLUX_TOKEN",
|
||||
"INFLUX_ORG", "INFLUX_BUCKET"
|
||||
]);
|
||||
if(errorMsg){
|
||||
logger.fatal(errorMsg);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
(async function() {
|
||||
logger.info("Setup Influx..");
|
||||
const influxDb = new InfluxDB({url: env.INFLUX_URL, token: env.INFLUX_TOKEN});
|
||||
|
||||
await InfluxChecks.checkHealth(influxDb)
|
||||
.then((res) => {return InfluxChecks.checkBucket(influxDb, {
|
||||
org: env.INFLUX_ORG,
|
||||
name: env.INFLUX_BUCKET
|
||||
})})
|
||||
.then((res) => {return InfluxChecks.checkWriteApi(influxDb, {
|
||||
org: env.INFLUX_ORG,
|
||||
bucket: env.INFLUX_BUCKET
|
||||
})})
|
||||
.catch((err) => {
|
||||
if(err) {
|
||||
logger.error("Error whilst checking influx:");
|
||||
logger.error(err);
|
||||
}
|
||||
logger.fatal("Setup influx failed!");
|
||||
exit(1);
|
||||
});
|
||||
|
||||
logger.info("Influx ok");
|
||||
|
||||
logger.info("Starting tcpdump..");
|
||||
const TCPDUMP_BASECMD = "tcpdump -vvv -e -n -X -s0 -i"
|
||||
let cmd = `${TCPDUMP_BASECMD} ${env.WIFI_INTERFACE}`;
|
||||
|
||||
let proc = exec(cmd);
|
||||
logger.debug("Creating & Attaching streams..");
|
||||
let regexBlockStream = new RegexBlockStream(/^\d{2}:\d{2}:\d{2}.\d{6}.*(\n( {4,8}|\t\t?).*)+\n/gm);
|
||||
let packetStreamFactory = new PacketStreamFactory();
|
||||
let packetInfluxPointFactory = new PacketInfluxPointFactory();
|
||||
let influxPointWriter = new InfluxPointWriter(influxDb, env.INFLUX_ORG, env.INFLUX_BUCKET);
|
||||
proc.stdout
|
||||
.setEncoding("utf8")
|
||||
.pipe(regexBlockStream)
|
||||
.pipe(packetStreamFactory)
|
||||
.pipe(packetInfluxPointFactory)
|
||||
.pipe(influxPointWriter);
|
||||
|
||||
logger.debug("Attaching error-logger..");
|
||||
const loggerTcpdump = logFactory("tcpdump");
|
||||
proc.stderr.setEncoding("utf8").on("data", (data) => {
|
||||
if(!data.match(/^(tcpdump: )?listening on /i) || !data.match(/^\d+ packets captured/i)) { // Catch start-error
|
||||
loggerTcpdump.debug(data);
|
||||
}
|
||||
else loggerTcpdump.error(data);
|
||||
});
|
||||
|
||||
// FIXME: This is a hacky workaround to not let errors from subprocess bubble up and terminate our process
|
||||
regexBlockStream.on('error', (err) => {});
|
||||
|
||||
proc.on("error", (err) => {
|
||||
loggerTcpdump.error(err);
|
||||
});
|
||||
|
||||
const loggerPacketStream = logFactory("PacketStreamFactory");
|
||||
userHelper.detectStreamData(proc.stdout, 10000) // Expect tcpdump-logs to have data after max. 10s
|
||||
.then(() => {
|
||||
loggerTcpdump.debug("Got first data");
|
||||
userHelper.detectStreamData(packetStreamFactory, 10000) // Expect then to have packets after further 10s
|
||||
.then(() => {
|
||||
loggerPacketStream.debug("Got first packet");
|
||||
})
|
||||
.catch((err) => {
|
||||
if(err == 'timeout') loggerPacketStream.warn("No packets");
|
||||
});
|
||||
})
|
||||
.catch((err) => {
|
||||
if(err == 'timeout') loggerTcpdump.warn("No data after 10s! Wrong configuration?");
|
||||
});
|
||||
|
||||
logger.debug("Attaching exit-handler..");
|
||||
proc.on("exit", (code) => {
|
||||
loggerTcpdump.debug(`tcpdump exited code: ${code}`);
|
||||
if (code) {
|
||||
loggerTcpdump.fatal(`tcpdump exited with non-zero code: ${code}`);
|
||||
exit(1);
|
||||
}
|
||||
logger.info("Shutdown");
|
||||
exit(0);
|
||||
});
|
||||
|
||||
// Handle stop-signals for graceful shutdown
|
||||
function shutdownReq() {
|
||||
logger.info("Shutdown request received..");
|
||||
logger.debug("Stopping subprocess tcpdump, then exiting myself..");
|
||||
proc.kill(); // Kill process (send SIGTERM), then upper event-handler will stop self
|
||||
}
|
||||
process.on('SIGTERM', shutdownReq);
|
||||
process.on('SIGINT', shutdownReq);
|
||||
|
||||
logger.info("Startup complete");
|
||||
})();
|
||||
@ -0,0 +1,38 @@
|
||||
const logger = require.main.require("./helper/logger.js")("InfluxPointWriter");
|
||||
const { Writable } = require('stream');
|
||||
const {InfluxDB, Point, HttpError} = require('@influxdata/influxdb-client')
|
||||
|
||||
/**
|
||||
* Get points and write them into influx
|
||||
*/
|
||||
class InfluxPointWriter extends Writable{
|
||||
/**
|
||||
*
|
||||
* @param {InfluxDB} influxDb InfluxDb
|
||||
* @param {string} org Organization to use
|
||||
* @param {string} bucket Bucket to use
|
||||
* @param {Partial<WriteOptions>} options Options for WriteApi
|
||||
*/
|
||||
constructor(influxDb, org, bucket, options){
|
||||
super({
|
||||
objectMode: true
|
||||
});
|
||||
this._api = influxDb.getWriteApi(org, bucket, 'us', options);
|
||||
}
|
||||
|
||||
_write(point, encoding, next){
|
||||
this._api.writePoint(point);
|
||||
next();
|
||||
}
|
||||
|
||||
_flush(next){
|
||||
this._api.flush(true)
|
||||
.catch((err) => { next(new Error(`WriteApi rejected promise for flush: ${err}`)); })
|
||||
.then(next);
|
||||
}
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
InfluxPointWriter
|
||||
};
|
||||
@ -0,0 +1,85 @@
|
||||
const logger = require.main.require("./helper/logger.js")("PacketStreamFactory");
|
||||
const { Transform } = require('stream');
|
||||
const {Point} = require('@influxdata/influxdb-client')
|
||||
|
||||
/** Keys to always use as tags */
|
||||
const TAG_LIST = [
|
||||
"srcMac",
|
||||
"dstMac",
|
||||
"bssid",
|
||||
"frequency",
|
||||
"flags",
|
||||
"packetType",
|
||||
];
|
||||
|
||||
/** Measurement-name and corresponding field-key */
|
||||
const MEASUREMENT_MAP = new Map([
|
||||
["Signal", "signal"],
|
||||
["PayloadSize", "payloadSize"],
|
||||
["DataRate", "dataRate"],
|
||||
["SSID", "ssid"],
|
||||
["AuthenticationType", "authenticationType"],
|
||||
["AssociationSuccess", "associationIsSuccessful"],
|
||||
["DisassociationReason", "disassociationReason"],
|
||||
]);
|
||||
|
||||
|
||||
/**
|
||||
* Get packets and convert them into influx-points
|
||||
*/
|
||||
class PacketInfluxPointFactory extends Transform{
|
||||
constructor(){
|
||||
super({
|
||||
readableObjectMode: true,
|
||||
writableObjectMode: true
|
||||
});
|
||||
}
|
||||
|
||||
_transform(packet, encoding, next){
|
||||
// Create measurements
|
||||
MEASUREMENT_MAP.forEach((objKey, measurement) => {
|
||||
if(packet[objKey] == null) return;
|
||||
|
||||
let point = new Point(measurement); // Create point
|
||||
|
||||
// Set tags
|
||||
TAG_LIST.filter(tag => Object.keys(packet).includes(tag)) // Filter tags available on object
|
||||
.filter(tag => packet[tag] != null) // Filter tags not falsy on object
|
||||
.forEach(tag => {
|
||||
tagObjectRecursively(point, tag, packet[tag]);
|
||||
});
|
||||
|
||||
point.setField('value', packet[objKey]); // Set field
|
||||
|
||||
this.push(point); // Push point into stream
|
||||
});
|
||||
|
||||
next(); // Get next packet
|
||||
}
|
||||
}
|
||||
|
||||
function tagObjectRecursively(point, tag, field, suffix = ""){
|
||||
if(typeof(field) == "object"){
|
||||
// TODO: Convert boolean-arrays like "packet.flags" to key: value
|
||||
Object.entries(field).map(([key, value]) => {
|
||||
tagObjectRecursively(point, tag, value, `_${key}${suffix}`);
|
||||
});
|
||||
}
|
||||
else point.tag(tag+suffix, field);
|
||||
}
|
||||
|
||||
/** Mapping for type -> field-method */
|
||||
const POINT_FIELD_TYPE = new Map([
|
||||
['boolean', function(key, value){ return this.booleanField(key, value); }],
|
||||
['number', function(key, value){ return this.intField(key, value); }],
|
||||
['string', function(key, value){ return this.stringField(key, value); }],
|
||||
]);
|
||||
Point.prototype.setField = function(key, value){
|
||||
let setField = POINT_FIELD_TYPE.get(typeof value);
|
||||
return setField.apply(this, [key, value]);
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
PacketInfluxPointFactory
|
||||
};
|
||||
@ -0,0 +1,152 @@
|
||||
const logger = require.main.require("./helper/logger.js")("PacketStreamFactory");
|
||||
const { Transform } = require('stream');
|
||||
const { DateTime } = require("luxon");
|
||||
const { PacketType, FlagType, Packet, PacketWithSSID, BeaconPacket, ProbeRequestPacket, ProbeResponsePacket, AuthenticationPacket, AuthenticationType, AssociationResponsePacket, DisassociationPacket, HandshakePacket, HandshakeStage } = require.main.require('./dto/Packet.js');
|
||||
const hexConv = require.main.require("./helper/hexConverter.js");
|
||||
const wifiStateAnalyser = require.main.require("./helper/wifiStateAnalyzer.js");
|
||||
|
||||
const PACKET_TYPE_MAP = {
|
||||
"Beacon": PacketType.Beacon,
|
||||
"Probe Request": PacketType.ProbeRequest,
|
||||
"Probe Response": PacketType.ProbeResponse,
|
||||
"Data": PacketType.Data,
|
||||
"Request-To-Send": PacketType.RequestToSend,
|
||||
"Clear-To-Send": PacketType.ClearToSend,
|
||||
"Acknowledgment": PacketType.Acknowledgment,
|
||||
"BA": PacketType.BlockAcknowledgment,
|
||||
"Authentication": PacketType.Authentication,
|
||||
"Assoc Request": PacketType.AssociationRequest,
|
||||
"Assoc Response": PacketType.AssociationResponse,
|
||||
"Disassociation:": PacketType.Disassociation,
|
||||
"EAPOL": PacketType.Handshake,
|
||||
};
|
||||
const PACKET_TYPES_REGEX = Object.keys(PACKET_TYPE_MAP).join('|');
|
||||
|
||||
const AUTHENTICATION_TYPE_MAP = {
|
||||
"(Open System)-1": AuthenticationType.OpenSystem_1,
|
||||
"(Open System)-2": AuthenticationType.OpenSystem_2,
|
||||
}
|
||||
|
||||
const FLAG_TYPE_MAP = {
|
||||
"Retry": FlagType.Retry,
|
||||
"Pwr Mgmt": FlagType.PwrMgt,
|
||||
"More Data": FlagType.MoreData,
|
||||
"Protected": FlagType.Protected,
|
||||
}
|
||||
const FLAG_TYPE_MAPS_REGEX = Object.keys(FLAG_TYPE_MAP).join('|');
|
||||
|
||||
/**
|
||||
* Read data from text-blocks and convert them to Packet
|
||||
*/
|
||||
class PacketStreamFactory extends Transform{
|
||||
constructor(){
|
||||
super({
|
||||
readableObjectMode: true,
|
||||
writableObjectMode: true
|
||||
});
|
||||
}
|
||||
|
||||
_transform(chunk, encoding, next){
|
||||
let packet = new Packet();
|
||||
|
||||
const lines = chunk.split('\n');
|
||||
const header = lines.splice(0, 1)[0]; // Grab first line, 'lines' is now the payload
|
||||
packet = this._handleHeader(packet, header);
|
||||
packet = this._handlePayload(packet, lines);
|
||||
|
||||
next(null, packet); // Get next chunk
|
||||
}
|
||||
|
||||
_handleHeader(packet, data){
|
||||
// Convert time to epoch-micros Unfortunately luxon doesnt use micros, but millis as smallest time-unit requiring some "hacks"
|
||||
packet.timestampMicros = DateTime.fromISO(data.slice(0, 12)).toSeconds() + data.slice(12, 15)/1000000;
|
||||
|
||||
// Find flags
|
||||
data.match(data.match(new RegExp('(?<=^|\\s)('+ FLAG_TYPE_MAPS_REGEX +')(?=$|\\s)', 'ig'))
|
||||
?.forEach(match => packet.flags[FLAG_TYPE_MAP[match]] = true) // Set them to true in flags
|
||||
);
|
||||
|
||||
packet.dataRate = Number(data.match(/(?<=^|\s)\d+(\.\d+)?(?=\sMb\/?s($|\s))/i)?.[0]) || null;
|
||||
packet.frequency = Number(data.match(/(?<=^|\s)\d{4}(?=\sMHz($|\s))/i)?.[0]) || null;
|
||||
|
||||
packet.durationMicros = Number(data.match(/(?<=^|\s)\d{1,4}(?=us($|\s))/i)?.[0]) || null;
|
||||
|
||||
packet.signal = Number(data.match(/(?<=^|\s)-\d{2,3}(?=dBm\sSignal($|\s))/i)?.[0]) || null;
|
||||
|
||||
let packetTypeStr = data.match(new RegExp('(?<=^|\\s)('+ PACKET_TYPES_REGEX +')(?=$|\\s)', 'i'))?.[0];
|
||||
if(packetTypeStr)
|
||||
packet.packetType = PACKET_TYPE_MAP[packetTypeStr];
|
||||
else if(data.match(/(SA|TA|DA|RA|BSSID):.{17}\s*$/i)){
|
||||
packet.packetType = PacketType.NoData
|
||||
}
|
||||
else {
|
||||
packet.packetType = PacketType.Unknown;
|
||||
}
|
||||
|
||||
packet.srcMac = data.match(/(?<=(^|\s)(SA|TA):).{17}(?=$|\s)/i)?.[0] ?? null;
|
||||
|
||||
packet.dstMac = data.match(/(?<=(^|\s)(DA|RA):).{17}(?=$|\s)/i)?.[0] ?? null;
|
||||
|
||||
packet.bssid = data.match(/(?<=(^|\s)BSSID:).{17}(?=$|\s)/i)?.[0] ?? null;
|
||||
|
||||
// Cover special cases with more data
|
||||
let newPacket;
|
||||
switch(packet.packetType){
|
||||
case PacketType.Beacon:
|
||||
case PacketType.ProbeRequest:
|
||||
case PacketType.ProbeResponse:
|
||||
case PacketType.AssociationRequest:
|
||||
newPacket = new PacketWithSSID();
|
||||
newPacket.ssid = data.match(new RegExp('(?<=(^|\\s)'+ packetTypeStr +'\\s\\().{0,32}(?=\\)($|\\s))', 'i'))?.[0] ?? null;
|
||||
break;
|
||||
|
||||
case PacketType.Authentication:
|
||||
newPacket = new AuthenticationPacket();
|
||||
newPacket.authenticationType = AUTHENTICATION_TYPE_MAP[data.match(/(?<=(^|\s)Authentication\s).{3,}(?=\:(\s|$))/i)[0]] ?? AuthenticationType.Unknown;
|
||||
break;
|
||||
|
||||
case PacketType.AssociationResponse:
|
||||
newPacket = new AssociationResponsePacket();
|
||||
newPacket.associationIsSuccessful = data.match(/(?<=(^|\s)Assoc\sResponse\s.{0,30})Successful(?=\s|$)/i) ? true : false;
|
||||
break;
|
||||
|
||||
case PacketType.Disassociation:
|
||||
newPacket = new DisassociationPacket();
|
||||
newPacket.disassociationReason = data.match(/(?<=(^|\s)Disassociation:\s).*$/i)?.[0] ?? null;
|
||||
break;
|
||||
}
|
||||
if(newPacket) packet = Object.assign(newPacket, packet); // Use new, more specific, packet and copy old data over
|
||||
|
||||
return packet;
|
||||
}
|
||||
|
||||
_handlePayload(packet, data){
|
||||
data = data.join('');
|
||||
|
||||
// Get payload-Hex-Data. If there is no data: empty
|
||||
packet.payloadData = hexConv.hexToBytes(data.match(/(?<=\s)([A-F0-9]{1,4}(?=\s))/igm)?.join('') ?? '');
|
||||
packet.payloadData.splice(packet.payloadData.length-4, 4); // Remove FrameCheck sequence
|
||||
|
||||
// Cover special cases with more data
|
||||
let newPacket;
|
||||
switch(packet.packetType){
|
||||
case PacketType.Handshake:
|
||||
newPacket = new HandshakePacket();
|
||||
|
||||
// Read key-information
|
||||
const keyInfoRaw = (packet.payloadData[0x5]<<0x8) + packet.payloadData[0x6];
|
||||
const keyInfo = wifiStateAnalyser.keyInfoFromRaw(keyInfoRaw); // Convert
|
||||
|
||||
newPacket.handshakeStage = wifiStateAnalyser.handshakeStageFromKeyInfo(keyInfo); // Get stage
|
||||
break;
|
||||
}
|
||||
if(newPacket) packet = Object.assign(newPacket, packet);
|
||||
|
||||
return packet;
|
||||
}
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
PacketStreamFactory
|
||||
};
|
||||
@ -0,0 +1,67 @@
|
||||
const logger = require.main.require("./helper/logger.js")("RegexBlockStream");
|
||||
const { Transform } = require('stream')
|
||||
|
||||
/**
|
||||
* Matches whole blocks as regex and passes them on
|
||||
*/
|
||||
class RegexBlockStream extends Transform{
|
||||
matcher;
|
||||
withholdLastBlock;
|
||||
matchAllOnFlush;
|
||||
|
||||
/**
|
||||
* @param {RegExp} matcher Block-match
|
||||
* @param {boolean} withholdLastBlock When true, the last matches block will not be submitted to prevent submitting incomplete blocks.
|
||||
* @param {boolean} matchAllOnFlush (Only in combination with withholdLastBlock) When enabled, the buffer will be matched on last time on _flush (stream deconstruction) and write any, also incomplete, blocks
|
||||
* @remarks WARNING: It should match a clean-block (including e.g. newline)! Otherwise buffer will get dirty and use more and more resources.
|
||||
*/
|
||||
constructor(matcher, withholdLastBlock = true, matchAllOnFlush = false){
|
||||
super({
|
||||
readableObjectMode: true,
|
||||
writableObjectMode: true
|
||||
});
|
||||
|
||||
this.matcher = matcher;
|
||||
this.withholdLastBlock = withholdLastBlock;
|
||||
this.matchAllOnFlush = matchAllOnFlush;
|
||||
}
|
||||
|
||||
_transform(chunk, encoding, next){
|
||||
chunk = this.readableBuffer.length? this.readableBuffer.join('') + chunk: chunk; // Add previous buffer to current chunk
|
||||
this.readableBuffer.length && this.readableBuffer.clear(); // Clear buffer once we read it
|
||||
|
||||
let matches = chunk.match(this.matcher); // Match
|
||||
if(matches){
|
||||
if(this.withholdLastBlock) matches.pop(); // Remove last if we want to withhold it
|
||||
chunk = this._writeMatches(matches, chunk);
|
||||
}
|
||||
|
||||
this.readableBuffer.push(chunk); // Store remaining data in buffer
|
||||
next(); // Get next chunk
|
||||
}
|
||||
|
||||
_writeMatches(matches, chunk = null){
|
||||
if(matches){
|
||||
matches.forEach((match) => {
|
||||
this.push(match); // Write match to stream
|
||||
if(chunk) chunk = chunk.replace(match, ''); // Remove match from chunks
|
||||
});
|
||||
}
|
||||
if(chunk) return chunk;
|
||||
}
|
||||
|
||||
_flush(next){
|
||||
if(matchAllOnFlush){ // When requested, we'll match one last time over the remaining buffer
|
||||
let chunk = this.readableBuffer.join('');
|
||||
let matches = chunk.match(this.matcher); // Match remaining buffer
|
||||
_writeMatches(matches); // Write matches including last element
|
||||
}
|
||||
|
||||
next(); // Tell system we are done
|
||||
}
|
||||
}
|
||||
|
||||
// Specify exports
|
||||
module.exports = {
|
||||
RegexBlockStream
|
||||
};
|
||||
Loading…
Reference in New Issue