backdoor.js

export async function main(ns) {
    // w0r1d_d43m0n
        if (ns.args.length == 1) {
            const target = ns.args[0];
            ns.print("Searching network path to " + target);
    
            var networkPath = ["home"];
            var networkPath = scanAll(ns, "home", target, networkPath);
    
            for (var server of networkPath) {
                ns.connect(server)
                if (server == target) {
                    var backdoorSuccess = await ns.installBackdoor();
                    ns.tprint("Installed backdoor on " + server + " - " + backdoorSuccess);
                    ns.connect("home");
                    return backdoorSuccess;
                }
            }
        }
        else {
            ns.tprint("Usage: specify target server like: backdoor CSEC");
        }
        return false;
    }
    
    function scanAll(ns, start, target, path) {
        var connectedHosts = ns.scan(start);
        var finalPath = null;
        for (var host of connectedHosts) {
            if (!path.includes(host)) {
                path.push(host);
                if (host == target) {
                    ns.print("Found path: " + path)
                    return path;
                }
                finalPath = scanAll(ns, host, target, path);
                if (finalPath != null) {
                    return finalPath;
                }
                else {
                    // we did not find the target followint the network map of this server.
                    path.pop();
                }
            }
        }
    }