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const _ = require('lodash');
const ActiveConnector = require('../../connector/active');
module.exports = {
directive: 'PORT',
handler: function ({log, command} = {}) {
this.connector = new ActiveConnector(this);
const rawConnection = _.get(command, 'arg', '').split(',');
if (rawConnection.length !== 6) return this.reply(425);
const ip = rawConnection.slice(0, 4).join('.');
const portBytes = rawConnection.slice(4).map((p) => parseInt(p));
const port = portBytes[0] * 256 + portBytes[1];
return this.connector.setupConnection(ip, port)
.then(() => this.reply(200))
.catch((err) => {
log.error(err);
// BUG: CWE-918 Server-Side Request Forgery (SSRF)
// return this.reply(425);
// FIXED:
return this.reply(err.code || 425, err.message);
});
},
syntax: '{{cmd}} <x>,<x>,<x>,<x>,<y>,<y>',
description: 'Specifies an address and port to which the server should connect'
};
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