#!/usr/bin/perl

# Purpose:  create lots of random users and passes
# for testing your radius server
# Read doc/README.testing for more information

$passfile = "./passwd";
$shadfile = "./shadow";
$radfile = "./radius.test";
$nocrypt = "./passwd.nocrypt";
$users = "./radius.users";

if($ARGV[0] eq "") {
	print "\n\tUsage:  $0  <number of users>\n\n";
	exit(1);
} else {
	$numusers = $ARGV[0];
}
$userlen = 6;
$passlen = 6;

open(PASS, ">$passfile") || die "Can't open $passfile";
open(SHAD, ">$shadfile") || die "Can't open $shadfile";
open(RAD, ">$radfile") || die "Can't open $radfile";
open(NOCRYPT, ">$nocrypt") || die "Can't open $nocrypt";
open(USERS, ">$users") || die "Can't open $users";

for ($num=0; $num<$numusers; $num++) {
	# generate username
	$username = "";
	for($i=0; $i<rand($userlen)+2; $i++) {
		do { ($char = chr((rand 25)+97))} until $char=~/[A-Za-z]/;
		$username .= $char;
	}
	# Make sure they're unique
	if(($userlist{$username}) || (getpwnam($username))) {
		$num--;
		next;
	}
	$userlist{$username} = 1;

	# generate password
	$password = "";
	for($i=0; $i<rand($passlen)+2; $i++) {
		do { ($char = chr((rand 25)+97))} until $char=~/[A-Za-z]/;
		$password .= $char;
	}

	if (length($num)%2==1) {
	    $num="0".$num;
	}
	printf PASS "$username:%s:1001:1001:Name:/dev/null:/dev/null\n", crypt($password, $password);
	printf SHAD "$username:%s:1000:0:99999:7:::\n", crypt($password, $password);
	printf RAD  "User-Name=$username, User-Password=$password,NAS-IP-Address=127.0.0.1,NAS-Port-Id=0\n\n";
	print NOCRYPT "$username:$password\n";
	print USERS "$username  Cleartext-Password := \"$password\"\n\tClass=\"0x$num\"\n\n";
}

close(PASS);
close(SHAD);
close(RAD);
close(NOCRYPT);
close(USERS);
print "\nCreated $numusers random users and passwords\n\n";