CoreID fork of node-radius-server
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

44 lines
1.5 KiB

import { IAuthChallenge } from '../../types/AuthChallenge';
export class PAPChallenge implements IAuthChallenge {
// i couldn't find any documentation about it, therefore best guess how this is processed...
// http://www.networksorcery.com/enp/rfc/rfc1334.txt ?
decode(data: Buffer) {
const usrNameLength = data.slice(7, 8).readUInt8(0);
const user = data.slice(8, usrNameLength);
console.log('user', user, user.toString().trim());
let pwdStart = usrNameLength; // data.slice(usrNameLength);
const passwordDelimeter = Buffer.from([0x02, 0x40, 0x00, 0x00]);
let found = false;
let pwd: Buffer;
do {
const possibleDelimieter = data.slice(pwdStart, pwdStart + passwordDelimeter.length);
if (possibleDelimieter.equals(passwordDelimeter)) {
found = true;
}
if (!found) {
pwdStart++;
}
} while (!found && pwdStart < data.length);
if (!found) {
throw new Error("couldn't extract password");
}
// console.log('pwdStart+passwordDelimeter.length', pwdStart+passwordDelimeter.length);
// console.log('length', pwdStart + data.readUInt8(pwdStart+passwordDelimeter.length));
// first byte is a length property.. we ignore for now
pwd = data.slice(pwdStart + passwordDelimeter.length + 1); // , pwdStart+ data.readUInt8(pwdStart+passwordDelimeter.length));
// trim pwd
pwd = pwd.slice(0, pwd.indexOf(0x00));
console.log('pwd', pwd, pwd.toString().trim().length, pwd.toString());
return {
username: user.toString(),
password: pwd.toString()
};
}
}