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Jason Gerfen jas-

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@jas-
jas- / _salt()
Created June 21, 2011 16:22
PHP salter
function _salt($string, $len=null)
{
return (!empty($len)) ?
hash('sha512', str_pad($string, (strlen($string) + $len),
substr(hash('sha512', $string),
round((float)strlen($string)/3, 0,
PHP_ROUND_HALF_UP),
($len - strlen($string))),
STR_PAD_BOTH)) :
hash('sha512', substr($string,
@jas-
jas- / 4GBISO
Last active February 17, 2024 10:44
4.0GB Empty ISO
dd if=/dev/zero of=file.iso bs=516096 seek=9182 count=0
@jas-
jas- / jQuery.blank.js
Last active September 27, 2015 17:08
jQuery method plug-in framework
(function($){
$.fn.tool = function(method) {
var defaults = defaults || {
foo: 'bar'
};
var methods = methods || {
init: function(opts) {
@jas-
jas- / .bashrc
Last active September 27, 2015 23:48
Hardening stuff
# Hostname
h=`hostname`
# Command to read input & mask it
cmd='read -sp "Enter password: " pass'
# Path to aide integrity tool
a="/usr/bin/aide"
# Path to aide policy database
adb="/var/lib/aide"
@jas-
jas- / openssl-spki-cli.php
Created December 14, 2011 21:55
PHP OpenSSL patch implementing SPKAC handling
#!/usr/local/bin/php
<?php
echo "Generating private key...";
$key = openssl_pkey_new(array('digest_alg' => 'sha512',
'private_key_type' => OPENSSL_KEYTYPE_RSA,
'private_key_bits' => 2048));
echo "done\n";
echo "============================\n";
@jas-
jas- / real-ip.php
Created January 9, 2012 17:45
Retreive 'real' IP of remote clients
/**
* @function _getRealIPv4
* @abstract Try all methods of obtaining 'real' IP address
*/
function _getRealIPv4()
{
return (getenv('HTTP_CLIENT_IP') && $this->_ip(getenv('HTTP_CLIENT_IP'))) ?
getenv('HTTP_CLIENT_IP') :
(getenv('HTTP_X_FORWARDED_FOR') && $this->_forwarded(getenv('HTTP_X_FORWARDED_FOR'))) ?
$this->_forwarded(getenv('HTTP_X_FORWARDED_FOR')) :
@jas-
jas- / luhn.c
Created January 12, 2012 16:45
Luh algorithm in various languages
#include <string.h>
bool _vCC(char *cc)
{
int n=1;
int d, t=0;
int i=strlen(cc);
string d;
if ((cc!=0)||(strlen(cc)!=0)){
for (i>0;i--){
d=substr(cc, i-1, 1);
@jas-
jas- / lib.js
Last active October 7, 2015 03:38
Threaded TLS server
module.exports = {
/* returns tls authorization */
_a: function(o)
{
return o.authorized ? 'authorized' : 'unauthorized: '+o.authorizationError;
},
/* returns connecting host */
_host: function(o)
@jas-
jas- / debugging output
Last active December 18, 2015 11:19
express.js -> connect.js -> custom session store
DELETE: 6VQUjoo5smbnNvxtandOx0kz => {"fieldCount":0,"affectedRows":0,"insertId":0,"serverStatus":2,"warningCount":0,"message":"","protocol41":true,"changedRows":0}
GET / 304 1076ms
SEARCH: 6VQUjoo5smbnNvxtandOx0kz => [[{"sid":"6VQUjoo5smbnNvxtandOx0kz","session":{"type":"Buffer","data":[123,34,115,105,100,34,58,34,52,49,101,100,101,102,102,48,45,97,56,52,100,45,52,53,101,56,45,56,51,50,102,45,102,48,49,102,99,54,56,54,52,48,51,49,34,125]},"expires":1371139476,"agent":"ec0ff2af80b4e76fc39ddc1ab6d9899bc0371765b0ad51ead3f80574db86fbb6","ip":"f9292b96ff7d66abe0820bbe9bd022cb0abd37bd673d7b462e1bba84245a9f66","referer":"node.dev"}],{"fieldCount":0,"affectedRows":0,"insertId":0,"serverStatus":2,"warningCount":0,"message":"","protocol41":true,"changedRows":0}]
DELETE: bA-W_9KQYD9UwkSGfiMFyLV_ => {"fieldCount":0,"affectedRows":1,"insertId":0,"serverStatus":2,"warningCount":0,"message":"","protocol41":true,"changedRows":0}
DELETE: bA-W_9KQYD9UwkSGfiMFyLV_ => {"fieldCount":0,"affectedRows":0,"insertId":0,"serverStatus":
@jas-
jas- / example
Last active December 18, 2015 23:08
SSH Automation
#!/bin/bash
# requires the sshpass binary from http://en.sourceforge.jp/projects/sfnet_sshpass/releases/
read -sp "Enter username: " user
read -sp "Enter password: " pass
read -sp "Enter command: " cmd
# define a list of machines
machines=array('192.168.1.10', '192.168.1.11', '192.168.1.12')