Compile ble and wifi as is.

This commit is contained in:
mmcwilliams 2019-11-26 10:44:08 -05:00
parent 9d1163926f
commit 84ee49a71c
4 changed files with 422 additions and 445 deletions

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@ -1,163 +1,145 @@
'use strict' 'use strict';
/** @module ble */ /** @module ble */
/** Bluetooth Low Energy module */ /** Bluetooth Low Energy module */
const util = require('util');
const util = require('util') const os = require('os');
const os = require('os') const log = require('../log')('ble');
const wifi = require('../wifi');
const log = require('../log')('ble') const DEVICE_NAME = process.env.DEVICE_NAME || 'intval3';
const wifi = require('../wifi') const SERVICE_ID = process.env.SERVICE_ID || 'intval3_ble';
const CHAR_ID = process.env.CHAR_ID || 'intval3char';
const DEVICE_NAME = process.env.DEVICE_NAME || 'intval3' const WIFI_ID = process.env.WIFI_ID || 'wifichar';
const SERVICE_ID = process.env.SERVICE_ID || 'intval3_ble' const NETWORK = os.networkInterfaces();
const CHAR_ID = process.env.CHAR_ID || 'intval3char' const MAC = getMac() || spoofMac();
const WIFI_ID = process.env.WIFI_ID || 'wifichar'
const NETWORK = os.networkInterfaces()
const MAC = getMac() || spoofMac()
//Give the device a unique device name, needs to be in env //Give the device a unique device name, needs to be in env
process.env.BLENO_DEVICE_NAME += '_' + MAC process.env.BLENO_DEVICE_NAME += '_' + MAC;
const bleno = require('bleno') const bleno = require('bleno');
let currentWifi = 'disconnected';
let currentAddr = null;
let currentWifi = 'disconnected' let getState;
let currentAddr = null const chars = [];
let getState
const chars = []
function createChar(name, uuid, prop, write, read) { function createChar(name, uuid, prop, write, read) {
function characteristic () { function characteristic() {
bleno.Characteristic.call(this, { bleno.Characteristic.call(this, {
uuid : uuid, uuid: uuid,
properties: prop properties: prop
}) });
} }
util.inherits(characteristic, bleno.Characteristic) util.inherits(characteristic, bleno.Characteristic);
if (prop.indexOf('read') !== -1) { if (prop.indexOf('read') !== -1) {
//data, offset, withoutResponse, callback //data, offset, withoutResponse, callback
characteristic.prototype.onReadRequest = read characteristic.prototype.onReadRequest = read;
} }
if (prop.indexOf('write') !== -1) { if (prop.indexOf('write') !== -1) {
characteristic.prototype.onWriteRequest = write characteristic.prototype.onWriteRequest = write;
} }
chars.push(new characteristic()) chars.push(new characteristic());
} }
function createChars(onWrite, onRead) {
function createChars (onWrite, onRead) { createChar('intval3', CHAR_ID, ['read', 'write'], onWrite, onRead);
createChar('intval3', CHAR_ID, ['read', 'write'], onWrite, onRead) createChar('wifi', WIFI_ID, ['read', 'write'], onWifiWrite, onWifiRead);
createChar('wifi', WIFI_ID, ['read', 'write'], onWifiWrite, onWifiRead)
} }
function onWifiWrite(data, offset, withoutResponse, callback) {
function onWifiWrite (data, offset, withoutResponse, callback) { let result;
let result let utf8;
let utf8 let obj;
let obj let ssid;
let ssid let pwd;
let pwd
if (offset) { if (offset) {
log.warn(`Offset scenario`) log.warn(`Offset scenario`);
result = bleno.Characteristic.RESULT_ATTR_NOT_LONG result = bleno.Characteristic.RESULT_ATTR_NOT_LONG;
return callback(result) return callback(result);
} }
utf8 = data.toString('utf8') utf8 = data.toString('utf8');
obj = JSON.parse(utf8) obj = JSON.parse(utf8);
ssid = obj.ssid ssid = obj.ssid;
pwd = obj.pwd pwd = obj.pwd;
log.info(`connecting to AP`, { ssid : ssid }) log.info(`connecting to AP`, { ssid: ssid });
return wifi.createPSK(ssid, pwd, (err, hash, plaintext) => { return wifi.createPSK(ssid, pwd, (err, hash, plaintext) => {
if (err) { if (err) {
log.error('Error hashing wifi password', err) log.error('Error hashing wifi password', err);
result = bleno.Characteristic.RESULT_UNLIKELY_ERROR result = bleno.Characteristic.RESULT_UNLIKELY_ERROR;
return callback(result) return callback(result);
} }
return wifi.setNetwork(ssid, plaintext, hash, (err, data) => { return wifi.setNetwork(ssid, plaintext, hash, (err, data) => {
if (err) { if (err) {
log.error('Error configuring wifi', err) log.error('Error configuring wifi', err);
result = bleno.Characteristic.RESULT_UNLIKELY_ERROR result = bleno.Characteristic.RESULT_UNLIKELY_ERROR;
return callback(result) return callback(result);
} }
currentWifi = ssid currentWifi = ssid;
currentAddr = getIp() currentAddr = getIp();
log.info(`Connected to AP`, { ssid : ssid, ip : currentAddr }) log.info(`Connected to AP`, { ssid: ssid, ip: currentAddr });
result = bleno.Characteristic.RESULT_SUCCESS result = bleno.Characteristic.RESULT_SUCCESS;
return callback(result) return callback(result);
}) });
}) });
} }
function onWifiRead(offset, callback) {
function onWifiRead (offset, callback) { let result = bleno.Characteristic.RESULT_SUCCESS;
let result = bleno.Characteristic.RESULT_SUCCESS let wifiRes = {};
let wifiRes = {} let data;
let data
wifi.list((err, list) => { wifi.list((err, list) => {
if (err) { if (err) {
result = bleno.Characteristic.RESULT_UNLIKELY_ERROR result = bleno.Characteristic.RESULT_UNLIKELY_ERROR;
return callback(result) return callback(result);
} }
wifiRes.available = list wifiRes.available = list;
wifiRes.current = currentWifi wifiRes.current = currentWifi;
wifiRes.ip = currentAddr wifiRes.ip = currentAddr;
log.info('Discovered available APs', { found : list.length }) log.info('Discovered available APs', { found: list.length });
data = new Buffer(JSON.stringify(wifiRes)) data = new Buffer(JSON.stringify(wifiRes));
callback(result, data.slice(offset, data.length)) callback(result, data.slice(offset, data.length));
}) });
} }
function getMac() {
function getMac () { const colonRe = new RegExp(':', 'g');
const colonRe = new RegExp(':', 'g')
if (NETWORK && NETWORK.wlan0 && NETWORK.wlan0[0] && NETWORK.wlan0[0].mac) { if (NETWORK && NETWORK.wlan0 && NETWORK.wlan0[0] && NETWORK.wlan0[0].mac) {
return NETWORK.wlan0[0].mac.replace(colonRe, '') return NETWORK.wlan0[0].mac.replace(colonRe, '');
} }
return undefined return undefined;
} }
function spoofMac() {
function spoofMac () { const fs = require('fs');
const fs = require('fs') const FSPATH = require.resolve('uuid');
const FSPATH = require.resolve('uuid') const IDFILE = os.homedir() + '/.intval3id';
const IDFILE = os.homedir() + '/.intval3id' let uuid;
let uuid let UUIDPATH;
let UUIDPATH let TMP;
let TMP let MACTMP;
let MACTMP let dashRe;
let dashRe delete require.cache[FSPATH];
delete require.cache[FSPATH]
if (fs.existsSync(IDFILE)) { if (fs.existsSync(IDFILE)) {
return fs.readFileSync(IDFILE, 'utf8') return fs.readFileSync(IDFILE, 'utf8');
} }
uuid = require('uuid').v4 uuid = require('uuid').v4;
UUIDPATH = require.resolve('uuid') UUIDPATH = require.resolve('uuid');
delete require.cache[UUIDPATH] delete require.cache[UUIDPATH];
TMP = uuid() TMP = uuid();
MACTMP = TMP.replace(dashRe, '').substring(0, 12) MACTMP = TMP.replace(dashRe, '').substring(0, 12);
dashRe = new RegExp('-', 'g') dashRe = new RegExp('-', 'g');
fs.writeFileSync(IDFILE, MACTMP, 'utf8') fs.writeFileSync(IDFILE, MACTMP, 'utf8');
return MACTMP return MACTMP;
} }
function getIp() {
function getIp () { let addr = null;
let addr = null let ipv4;
let ipv4 const ifaces = os.networkInterfaces();
const ifaces = os.networkInterfaces()
if (ifaces && ifaces.wlan0) { if (ifaces && ifaces.wlan0) {
ipv4 = ifaces.wlan0.filter(iface => { ipv4 = ifaces.wlan0.filter(iface => {
if (iface.family === 'IPv4') { if (iface.family === 'IPv4') {
return iface return iface;
} }
}) });
if (ipv4.length === 1) { if (ipv4.length === 1) {
addr = ipv4[0].address addr = ipv4[0].address;
} }
} }
return addr return addr;
} }
function capitalize(s) {
return s[0].toUpperCase() + s.slice(1);
function capitalize (s) {
return s[0].toUpperCase() + s.slice(1)
} }
/** Class representing the bluetooth interface */ /** Class representing the bluetooth interface */
class BLE { class BLE {
/** /**
@ -165,79 +147,74 @@ class BLE {
* *
* @constructor * @constructor
*/ */
constructor (bleGetState) { constructor(bleGetState) {
log.info('Starting bluetooth service') log.info('Starting bluetooth service');
getState = bleGetState;
getState = bleGetState
bleno.on('stateChange', state => { bleno.on('stateChange', state => {
log.info('stateChange', { state : state }) log.info('stateChange', { state: state });
if (state === 'poweredOn') { if (state === 'poweredOn') {
log.info('Starting advertising', { DEVICE_NAME, DEVICE_ID : process.env.BLENO_DEVICE_NAME }) log.info('Starting advertising', { DEVICE_NAME, DEVICE_ID: process.env.BLENO_DEVICE_NAME });
bleno.startAdvertising(DEVICE_NAME, [CHAR_ID]) bleno.startAdvertising(DEVICE_NAME, [CHAR_ID]);
} else {
bleno.stopAdvertising()
} }
}) else {
bleno.stopAdvertising();
}
});
bleno.on('advertisingStart', err => { bleno.on('advertisingStart', err => {
log.info('advertisingStart', { res : (err ? 'error ' + err : 'success') }) log.info('advertisingStart', { res: (err ? 'error ' + err : 'success') });
createChars(this._onWrite.bind(this), this._onRead.bind(this)) createChars(this._onWrite.bind(this), this._onRead.bind(this));
if (!err) { if (!err) {
bleno.setServices([ bleno.setServices([
new bleno.PrimaryService({ new bleno.PrimaryService({
uuid : SERVICE_ID, //hardcoded across panels uuid: SERVICE_ID,
characteristics : chars characteristics: chars
}) })
]) ]);
} }
}) });
bleno.on('accept', clientAddress => { bleno.on('accept', clientAddress => {
log.info('accept', { clientAddress : clientAddress }) log.info('accept', { clientAddress: clientAddress });
}) });
bleno.on('disconnect', clientAddress => { bleno.on('disconnect', clientAddress => {
log.info('disconnect', { clientAddress : clientAddress }) log.info('disconnect', { clientAddress: clientAddress });
}) });
wifi.getNetwork((err, ssid) => { wifi.getNetwork((err, ssid) => {
if (err) { if (err) {
return log.error('wifi.getNetwork', err) return log.error('wifi.getNetwork', err);
} }
currentWifi = ssid currentWifi = ssid;
currentAddr = getIp() currentAddr = getIp();
log.info('wifi.getNetwork', {ssid : ssid, ip : currentAddr }) log.info('wifi.getNetwork', { ssid: ssid, ip: currentAddr });
}) });
} }
_onWrite (data, offset, withoutResponse, callback) { _onWrite(data, offset, withoutResponse, callback) {
let result = {} let result = {};
let utf8 let utf8;
let obj let obj;
let fn let fn;
if (offset) { if (offset) {
log.warn(`Offset scenario`) log.warn(`Offset scenario`);
result = bleno.Characteristic.RESULT_ATTR_NOT_LONG result = bleno.Characteristic.RESULT_ATTR_NOT_LONG;
return callback(result) return callback(result);
} }
utf8 = data.toString('utf8') utf8 = data.toString('utf8');
obj = JSON.parse(utf8) obj = JSON.parse(utf8);
result = bleno.Characteristic.RESULT_SUCCESS result = bleno.Characteristic.RESULT_SUCCESS;
fn = `_on${capitalize(obj.type)}` fn = `_on${capitalize(obj.type)}`;
if (obj.type && this[fn]) { if (obj.type && this[fn]) {
return this[fn](obj, () => { return this[fn](obj, () => {
callback(result) callback(result);
}) });
} else {
return callback(result)
} }
else {
return callback(result);
} }
_onRead (offset, callback) { }
const result = bleno.Characteristic.RESULT_SUCCESS _onRead(offset, callback) {
const state = getState() const result = bleno.Characteristic.RESULT_SUCCESS;
const data = new Buffer(JSON.stringify( state )) const state = getState();
callback(result, data.slice(offset, data.length)) const data = new Buffer(JSON.stringify(state));
callback(result, data.slice(offset, data.length));
} }
/** /**
* Binds functions to events that are triggered by BLE messages * Binds functions to events that are triggered by BLE messages
@ -245,10 +222,9 @@ class BLE {
* @param {string} eventName Name of the event to to bind * @param {string} eventName Name of the event to to bind
* @param {function} callback Invoked when the event is triggered * @param {function} callback Invoked when the event is triggered
*/ */
on (eventName, callback) { on(eventName, callback) {
this[`_on${capitalize(eventName)}`] = callback this[`_on${capitalize(eventName)}`] = callback;
} }
} }
module.exports = BLE;
module.exports = BLE //# sourceMappingURL=index.js.map

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@ -1,56 +1,51 @@
'use strict' 'use strict';
const networkPattern = /network[\s\S]*?=[\s\S]*?{([\s\S]*?)}/gi;
const networkPattern = /network[\s\S]*?=[\s\S]*?{([\s\S]*?)}/gi const quoteRe = new RegExp('"', 'g');
const quoteRe = new RegExp('"', 'g') const filePath = '/etc/wpa_supplicant/wpa_supplicant.conf';
const reconfigure = '/sbin/wpa_cli reconfigure';
const filePath = '/etc/wpa_supplicant/wpa_supplicant.conf' const refresh = 'ip link set wlan0 down && ip link set wlan0 up';
const reconfigure = '/sbin/wpa_cli reconfigure' const iwlist = '/sbin/iwlist wlan0 scanning | grep "ESSID:"';
const refresh = 'ip link set wlan0 down && ip link set wlan0 up' const iwgetid = '/sbin/iwgetid';
const iwlist = '/sbin/iwlist wlan0 scanning | grep "ESSID:"' const log = require('../log')('wifi');
const iwgetid = '/sbin/iwgetid' const exec = require('child_process').exec;
const fs = require('fs');
const log = require('../log')('wifi') let _entry = null;
const exec = require('child_process').exec let _ssid = null;
const fs = require('fs') let _cb = null;
let _entry = null
let _ssid = null
let _cb = null
/** Class representing the wifi features */ /** Class representing the wifi features */
class Wifi { class Wifi {
constructor () { constructor() {
} }
/** /**
* List available wifi access points * List available wifi access points
* *
* @param {function} callback Function which gets invoked after list is returned * @param {function} callback Function which gets invoked after list is returned
*/ */
list (callback) { list(callback) {
exec(iwlist, (err, stdout, stderr) => { exec(iwlist, (err, stdout, stderr) => {
if (err) { if (err) {
console.error(err) console.error(err);
return callback(err) return callback(err);
} }
const limit = 20; const limit = 20;
const lines = stdout.split('\n') const lines = stdout.split('\n');
let output = [] let output = [];
let line let line;
let i = 0 let i = 0;
for (let l of lines) { for (let l of lines) {
line = l.replace('ESSID:', '').trim() line = l.replace('ESSID:', '').trim();
if (line !== '""' && i < limit) { if (line !== '""' && i < limit) {
line = line.replace(quoteRe, '') line = line.replace(quoteRe, '');
output.push(line) output.push(line);
} }
i++ i++;
} }
output = output.filter(ap => { output = output.filter(ap => {
if (ap !== '') return ap if (ap !== '')
}) return ap;
return callback(null, output) });
}) return callback(null, output);
});
} }
/** /**
* (internal function) Invoked after config file is read, * (internal function) Invoked after config file is read,
@ -59,24 +54,25 @@ class Wifi {
* @param {object} err (optional) Error object only present if problem reading config file * @param {object} err (optional) Error object only present if problem reading config file
* @param {string} data Contents of the config file * @param {string} data Contents of the config file
*/ */
_readConfigCb (err, data) { _readConfigCb(err, data) {
let parsed let parsed;
let current let current;
if (err) { if (err) {
console.error(err) console.error(err);
return _cb(err) return _cb(err);
} }
parsed = this._parseConfig(data) parsed = this._parseConfig(data);
current = parsed.find(network => { current = parsed.find(network => {
return network.ssid === _ssid return network.ssid === _ssid;
}) });
if (typeof current !== 'undefined') { if (typeof current !== 'undefined') {
data = data.replace(current.raw, _entry) data = data.replace(current.raw, _entry);
} else {
data += '\n\n' + _entry
} }
_entry = null else {
fs.writeFile(filePath, data, 'utf8', this._writeConfigCb.bind(this)) data += '\n\n' + _entry;
}
_entry = null;
fs.writeFile(filePath, data, 'utf8', this._writeConfigCb.bind(this));
} }
/** /**
* (internal function) Invoked after config file is written, * (internal function) Invoked after config file is written,
@ -84,12 +80,12 @@ class Wifi {
* *
* @param {object} err (optional) Error object only present if problem writing config file * @param {object} err (optional) Error object only present if problem writing config file
*/ */
_writeConfigCb (err) { _writeConfigCb(err) {
if (err) { if (err) {
console.error(err) console.error(err);
return _cb(err) return _cb(err);
} }
exec(reconfigure, this._reconfigureCb.bind(this)) exec(reconfigure, this._reconfigureCb.bind(this));
} }
/** /**
* (internal function) Invoked after reconfiguration command is complete * (internal function) Invoked after reconfiguration command is complete
@ -98,13 +94,13 @@ class Wifi {
* @param {string} stdout Standard output from reconfiguration command * @param {string} stdout Standard output from reconfiguration command
* @param {string} stderr Error output from command if fails * @param {string} stderr Error output from command if fails
*/ */
_reconfigureCb (err, stdout, stderr) { _reconfigureCb(err, stdout, stderr) {
if (err) { if (err) {
console.error(err) console.error(err);
return _cb(err) return _cb(err);
} }
console.log('Wifi reconfigured') console.log('Wifi reconfigured');
exec(refresh, this._refreshCb.bind(this)) exec(refresh, this._refreshCb.bind(this));
} }
/** /**
* (internal function) Invoked after wifi refresh command is complete * (internal function) Invoked after wifi refresh command is complete
@ -113,37 +109,40 @@ class Wifi {
* @param {string} stdout Standard output from refresh command * @param {string} stdout Standard output from refresh command
* @param {string} stderr Error output from command if fails * @param {string} stderr Error output from command if fails
*/ */
_refreshCb (err, stdout, stderr) { _refreshCb(err, stdout, stderr) {
if (err) { if (err) {
console.error(err) console.error(err);
return _cb(err) return _cb(err);
} }
console.log('Wifi refreshed') console.log('Wifi refreshed');
_cb(null, { ssid : _ssid }) _cb(null, { ssid: _ssid });
_cb = () => {} _cb = () => { };
} }
_parseConfig (str) { _parseConfig(str) {
const networks = [] const networks = [];
const lines = str.split('\n') const lines = str.split('\n');
let network = {} let network = {};
for (let line of lines) { for (let line of lines) {
if (line.substring(0, 9) === 'network={') { if (line.substring(0, 9) === 'network={') {
network = {} network = {};
network.raw = line network.raw = line;
} else if (network.raw && line.indexOf('ssid=') !== -1) { }
network.ssid = line.replace('ssid=', '').trim().replace(quoteRe, '') else if (network.raw && line.indexOf('ssid=') !== -1) {
network.ssid = line.replace('ssid=', '').trim().replace(quoteRe, '');
if (network.raw) { if (network.raw) {
network.raw += '\n' + line network.raw += '\n' + line;
}
} else if (network.raw && line.substring(0, 1) === '}') {
network.raw += '\n' + line
networks.push(network)
network = {}
} else if (network.raw) {
network.raw += '\n' + line
} }
} }
return networks else if (network.raw && line.substring(0, 1) === '}') {
network.raw += '\n' + line;
networks.push(network);
network = {};
}
else if (network.raw) {
network.raw += '\n' + line;
}
}
return networks;
} }
/** /**
* Create sanitized wpa_supplicant.conf stanza for * Create sanitized wpa_supplicant.conf stanza for
@ -159,20 +158,20 @@ class Wifi {
* @param {string} pwd Plaintext passphrase of wifi network * @param {string} pwd Plaintext passphrase of wifi network
* @param {function} callback Function called after psk hash is generated * @param {function} callback Function called after psk hash is generated
*/ */
createPSK (ssid, pwd, callback) { createPSK(ssid, pwd, callback) {
const cmd = `wpa_passphrase '${ssid.replace(/'/g, `'\\''`)}' '${pwd.replace(/'/g, `'\\''`)}' | grep "psk="` const cmd = `wpa_passphrase '${ssid.replace(/'/g, `'\\''`)}' '${pwd.replace(/'/g, `'\\''`)}' | grep "psk="`;
let lines let lines;
let hash let hash;
let plaintext let plaintext;
exec(cmd, (err, stdout, stderr) => { exec(cmd, (err, stdout, stderr) => {
if (err) { if (err) {
return callback(err) return callback(err);
} }
lines = stdout.replace('#psk=', '').split('psk=') lines = stdout.replace('#psk=', '').split('psk=');
hash = lines[1] hash = lines[1];
plaintext = lines[0] plaintext = lines[0];
callback(null, hash.trim(), plaintext.trim()) callback(null, hash.trim(), plaintext.trim());
}) });
} }
/** /**
* Function which initializes the processes for adding a wifi access point authentication * Function which initializes the processes for adding a wifi access point authentication
@ -182,28 +181,28 @@ class Wifi {
* @param {string} hash Password/SSID of access point, securely hashed * @param {string} hash Password/SSID of access point, securely hashed
* @param {function} callback Function invoked after process is complete, or fails * @param {function} callback Function invoked after process is complete, or fails
*/ */
setNetwork (ssid, pwd, hash, callback) { setNetwork(ssid, pwd, hash, callback) {
let masked = pwd.split('').map(char => { return char !== '"' ? '*' : '"' }).join('') let masked = pwd.split('').map(char => { return char !== '"' ? '*' : '"'; }).join('');
_entry = `network={\n\tssid="${ssid}"\n\t#psk=${masked}\n\tpsk=${hash}\n}\n` _entry = `network={\n\tssid="${ssid}"\n\t#psk=${masked}\n\tpsk=${hash}\n}\n`;
_cb = callback _cb = callback;
_ssid = ssid _ssid = ssid;
fs.readFile(filePath, 'utf8', this._readConfigCb.bind(this)) fs.readFile(filePath, 'utf8', this._readConfigCb.bind(this));
} }
/** /**
* Executes command which gets the currently connected network * Executes command which gets the currently connected network
* *
* @param {function} callback Function which is invoked after command is completed * @param {function} callback Function which is invoked after command is completed
*/ */
getNetwork (callback) { getNetwork(callback) {
let output let output;
exec(iwgetid, (err, stdout, stderr) => { exec(iwgetid, (err, stdout, stderr) => {
if (err) { if (err) {
return callback(err) return callback(err);
} }
output = stdout.split('ESSID:')[1].replace(quoteRe, '').trim() output = stdout.split('ESSID:')[1].replace(quoteRe, '').trim();
callback(null, output) callback(null, output);
}) });
} }
} }
module.exports = new Wifi();
module.exports = new Wifi() //# sourceMappingURL=index.js.map

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