(Node.js) Get SSH Server Authentication Methods

Demonstrates how to get the authentication methods of an SSH server.

This example requires Chilkat v9.5.0.78 or greater.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var ssh = new chilkat.Ssh();

    // To get the authentication methods offered by an SSH server, we first connect.
    var success = ssh.Connect("example.com",22);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    // Next, we call GetAuthMethods to receive a comma separated list of authentication methods
    var authMethods = ssh.GetAuthMethods();
    if (ssh.LastMethodSuccess !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    // For example: publickey,password,keyboard-interactive
    console.log("Authentication methods suported by this serve: " + authMethods);

    // IMPORTANT:
    // Getting the authentication methods will intentionally disconnect from the server.
    // We'll need to re-connect, etc. to continue..

    // For example..
    var success = ssh.Connect("example.com",22);
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    success = ssh.AuthenticatePw("myLogin","myPassword");
    if (success !== true) {
        console.log(ssh.LastErrorText);
        return;
    }

    console.log("SSH Authentication successful.");

    // ...

    ssh.Disconnect();

}

chilkatExample();