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getMacAddresses() fix added try catch

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This commit is contained in:
Sebastian Hildebrandt
2020-04-26 18:51:01 +02:00
parent d8fc1520ec
commit 3d61fe987c
4 changed files with 64 additions and 46 deletions
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lib/network.js
+57 -45
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@@ -64,10 +64,10 @@ function getDefaultNetworkInterface() {
try {
if (_windows) {
// https://www.inetdaemon.com/tutorials/internet/ip/routing/default_route.shtml
let defaultIp = '';
const cmd = 'netstat -r';
const result = execSync(cmd);
const lines = result.toString().split(os.EOL);
let defaultIp = '';
lines.forEach(line => {
line = line.replace(/\s+/g, ' ').trim();
if (line.indexOf('0.0.0.0 0.0.0.0') > -1 && !(/[a-zA-Z]/.test(line))) {
@@ -126,46 +126,54 @@ function getMacAddresses() {
pathToIp = '';
}
}
const cmd = 'export LC_ALL=C; ' + ((pathToIp) ? pathToIp + ' link show up' : '/sbin/ifconfig') + '; unset LC_ALL';
let res = execSync(cmd);
const lines = res.toString().split('\n');
for (let i = 0; i < lines.length; i++) {
if (lines[i] && lines[i][0] !== ' ') {
if (pathToIp) {
let nextline = lines[i + 1].trim().split(' ');
if (nextline[0] === 'link/ether') {
iface = lines[i].split(' ')[1];
iface = iface.slice(0, iface.length - 1);
mac = nextline[1];
try {
const cmd = 'export LC_ALL=C; ' + ((pathToIp) ? pathToIp + ' link show up' : '/sbin/ifconfig') + '; unset LC_ALL';
let res = execSync(cmd);
const lines = res.toString().split('\n');
for (let i = 0; i < lines.length; i++) {
if (lines[i] && lines[i][0] !== ' ') {
if (pathToIp) {
let nextline = lines[i + 1].trim().split(' ');
if (nextline[0] === 'link/ether') {
iface = lines[i].split(' ')[1];
iface = iface.slice(0, iface.length - 1);
mac = nextline[1];
}
} else {
iface = lines[i].split(' ')[0];
mac = lines[i].split('HWaddr ')[1];
}
} else {
iface = lines[i].split(' ')[0];
mac = lines[i].split('HWaddr ')[1];
}
if (iface && mac) {
result[iface] = mac.trim();
iface = '';
mac = '';
if (iface && mac) {
result[iface] = mac.trim();
iface = '';
mac = '';
}
}
}
} catch (e) {
util.noop();
}
}
if (_darwin) {
const cmd = '/sbin/ifconfig';
let res = execSync(cmd);
const lines = res.toString().split('\n');
for (let i = 0; i < lines.length; i++) {
if (lines[i] && lines[i][0] !== '\t' && lines[i].indexOf(':') > 0) {
iface = lines[i].split(':')[0];
} else if (lines[i].indexOf('\tether ') === 0) {
mac = lines[i].split('\tether ')[1];
if (iface && mac) {
result[iface] = mac.trim();
iface = '';
mac = '';
try {
const cmd = '/sbin/ifconfig';
let res = execSync(cmd);
const lines = res.toString().split('\n');
for (let i = 0; i < lines.length; i++) {
if (lines[i] && lines[i][0] !== '\t' && lines[i].indexOf(':') > 0) {
iface = lines[i].split(':')[0];
} else if (lines[i].indexOf('\tether ') === 0) {
mac = lines[i].split('\tether ')[1];
if (iface && mac) {
result[iface] = mac.trim();
iface = '';
mac = '';
}
}
}
} catch (e) {
util.noop();
}
}
return result;
@@ -491,21 +499,25 @@ function getLinuxIfaceConnectionName(interfaceName) {
function checkLinuxDCHPInterfaces(file) {
let result = [];
let cmd = `cat ${file} 2> /dev/null | grep 'iface\\|source'`;
const lines = execSync(cmd, { maxBuffer: 1024 * 20000 }).toString().split('\n');
try {
let cmd = `cat ${file} 2> /dev/null | grep 'iface\\|source'`;
const lines = execSync(cmd, { maxBuffer: 1024 * 20000 }).toString().split('\n');
lines.forEach(line => {
const parts = line.replace(/\s+/g, ' ').trim().split(' ');
if (parts.length >= 4) {
if (line.toLowerCase().indexOf(' inet ') >= 0 && line.toLowerCase().indexOf('dhcp') >= 0) {
result.push(parts[1]);
lines.forEach(line => {
const parts = line.replace(/\s+/g, ' ').trim().split(' ');
if (parts.length >= 4) {
if (line.toLowerCase().indexOf(' inet ') >= 0 && line.toLowerCase().indexOf('dhcp') >= 0) {
result.push(parts[1]);
}
}
}
if (line.toLowerCase().includes('source')) {
let file = line.split(' ')[1];
result = result.concat(checkLinuxDCHPInterfaces(file));
}
});
if (line.toLowerCase().includes('source')) {
let file = line.split(' ')[1];
result = result.concat(checkLinuxDCHPInterfaces(file));
}
});
} catch (e) {
util.noop();
}
return result;
}