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Code Issues Releases Wiki Activity

Added remote process control

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Ylian Saint-Hilaire 2018-04-11 13:49:05 -07:00
parent d05f086a0e
commit fb55e44edf
14 changed files with 448 additions and 47 deletions
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96
agents/modules_meshcore/process-manager.js Normal file
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/*
Copyright 2018 Intel Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
var GM = require('_GenericMarshal');
function processManager() {
this._ObjectID = 'processManager';
switch (process.platform) {
case 'win32':
this._kernel32 = GM.CreateNativeProxy('kernel32.dll');
this._kernel32.CreateMethod('GetLastError');
this._kernel32.CreateMethod('CreateToolhelp32Snapshot');
this._kernel32.CreateMethod('Process32First');
this._kernel32.CreateMethod('Process32Next');
break;
case 'linux':
this._childProcess = require('child_process');
break;
default:
throw (process.platform + ' not supported');
}
this.getProcesses = function getProcesses(callback) {
switch (process.platform) {
case 'win32':
var h = this._kernel32.CreateToolhelp32Snapshot(2, 0), info = GM.CreateVariable(304), retVal = {};
info.toBuffer().writeUInt32LE(304, 0);
var nextProcess = this._kernel32.Process32First(h, info);
while (nextProcess.Val) {
retVal[info.Deref(8, 4).toBuffer().readUInt32LE(0)] = { cmd: info.Deref(GM.PointerSize == 4 ? 36 : 44, 260).String };
nextProcess = this._kernel32.Process32Next(h, info);
}
if (callback) { callback.apply(this, [retVal]); }
break;
case 'linux':
if (!this._psp) { this._psp = {}; }
var p = this._childProcess.execFile("/bin/ps", ["ps", "-uxa"], { type: this._childProcess.SpawnTypes.TERM });
this._psp[p.pid] = p;
p.Parent = this;
p.ps = '';
p.callback = callback;
p.args = [];
for (var i = 1; i < arguments.length; ++i) { p.args.push(arguments[i]); }
p.on('exit', function onGetProcesses() {
delete this.Parent._psp[this.pid];
var retVal = {}, lines = this.ps.split('\x0D\x0A'), key = {}, keyi = 0;
for (var i in lines) {
var tokens = lines[i].split(' '), tokenList = [];
for (var x in tokens) {
if (i == 0 && tokens[x]) { key[tokens[x]] = keyi++; }
if (i > 0 && tokens[x]) { tokenList.push(tokens[x]); }
}
if ((i > 0) && (tokenList[key.PID])) {
retVal[tokenList[key.PID]] = { user: tokenList[key.USER], cmd: tokenList[key.COMMAND] };
}
}
if (this.callback) {
this.args.unshift(retVal);
this.callback.apply(this.parent, this.args);
}
});
p.stdout.on('data', function (chunk) { this.parent.ps += chunk.toString(); });
break;
default:
throw ('Enumerating processes on ' + process.platform + ' not supported');
}
};
this.getProcessInfo = function getProcessInfo(pid) {
switch (process.platform) {
case 'linux':
var status = require('fs').readFileSync('/proc/' + pid + '/status'), lines = status.toString().split('\n'), info = {};
for (var i in lines) {
var tokens = lines[i].split(':');
if (tokens.length > 1) { tokens[1] = tokens[1].trim(); }
info[tokens[0]] = tokens[1];
}
return info;
default:
throw ('getProcessInfo() not supported for ' + process.platform);
}
};
}
module.exports = new processManager();