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Randomized Intel AMT Env Detection.

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This commit is contained in:
Ylian Saint-Hilaire 2019-11-15 14:36:41 -08:00
parent 4640026fff
commit 0909f8cd8a
3 changed files with 17 additions and 4 deletions
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2
package.json
View File

@ -1,6 +1,6 @@
{
"name": "meshcentral",
"version": "0.4.4-b",
"version": "0.4.4-c",
"keywords": [
"Remote Management",
"Intel AMT",

2
translate/translate.js
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@ -462,7 +462,7 @@ function InstallModule(modulename, func, tag1, tag2) {
if ((__dirname.endsWith('/node_modules/meshcentral')) || (__dirname.endsWith('\\node_modules\\meshcentral')) || (__dirname.endsWith('/node_modules/meshcentral/')) || (__dirname.endsWith('\\node_modules\\meshcentral\\'))) { parentpath = require('path').join(__dirname, '../..'); }
// Looks like we need to keep a global reference to the child process object for this to work correctly.
InstallModuleChildProcess = child_process.exec('npm install --no-optional --save ' + modulename, { maxBuffer: 512000, timeout: 10000, cwd: parentpath }, function (error, stdout, stderr) {
InstallModuleChildProcess = child_process.exec('npm install --no-optional --save ' + modulename, { maxBuffer: 512000, timeout: 120000, cwd: parentpath }, function (error, stdout, stderr) {
InstallModuleChildProcess = null;
if ((error != null) && (error != '')) {
console.log('ERROR: Unable to install required module "' + modulename + '". May not have access to npm, or npm may not have suffisent rights to load the new module. Try "npm install ' + modulename + '" to manualy install this module.\r\n');

17
webserver.js
View File

@ -1775,8 +1775,14 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
scriptFile.mescript = Buffer.from(scriptEngine.script_compile(runscript), 'binary').toString('base64');
scriptFile.scriptText = runscript;
// Randomize the environement detection
var randomDnsName;
do { randomDnsName = getRandomLowerCase(14); } while (randomDnsName == 'aabbccddeeffgg');
var text = JSON.stringify(scriptFile, null, ' ');
for (var i = 0; i < 5; i++) { text = text.replace('aabbccddeeffgg', randomDnsName); }
// Send the script
func(Buffer.from(JSON.stringify(scriptFile, null, ' ')));
func(Buffer.from(text));
});
} else {
// Server name is a hostname
@ -1800,8 +1806,14 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
scriptFile.mescript = Buffer.from(scriptEngine.script_compile(runscript), 'binary').toString('base64');
scriptFile.scriptText = runscript;
// Randomize the environement detection
var randomDnsName;
do { randomDnsName = getRandomLowerCase(14); } while (randomDnsName == 'aabbccddeeffgg');
var text = JSON.stringify(scriptFile, null, ' ');
for (var i = 0; i < 5; i++) { text = text.replace('aabbccddeeffgg', randomDnsName); }
// Send the script
func(Buffer.from(JSON.stringify(scriptFile, null, ' ')));
func(Buffer.from(text));
});
}
}
@ -3970,6 +3982,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
function checkAmtPassword(p) { return (p.length > 7) && (/\d/.test(p)) && (/[a-z]/.test(p)) && (/[A-Z]/.test(p)) && (/\W/.test(p)); }
function getRandomAmtPassword() { var p; do { p = Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); } while (checkAmtPassword(p) == false); return p; }
function getRandomPassword() { return Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); }
function getRandomLowerCase(len) { var r = '', random = obj.crypto.randomBytes(len); for (var i = 0; i < len; i++) { r += String.fromCharCode(97 + (random[i] % 26)); } return r; }
// Clean a IPv6 address that encodes a IPv4 address
function cleanRemoteAddr(addr) { if (typeof addr != 'string') { return null; } if (addr.indexOf('::ffff:') == 0) { return addr.substring(7); } else { return addr; } }