ryancdotorg

#!/usr/bin/env node

// save somewhere in $PATH as fnode, remember to chmod +x

console.log('Welcome to Node.js '+process.version+' ('+process.argv[0]+')');

const vm = require('vm');
const fs = require('fs');
const tty = require('tty');
const repl = require('repl');

ryancdotorg

var ArchiveReader = function(ab) {
  if (!(this instanceof ArchiveReader)) {
    throw new Error('ArchiveReader must be instantiated with `new`!');
  }
  this.ab = ab;
  this.dv = new DataView(ab);
  this.offset = 0;
  this.td = typeof TextDecoder === 'function' ? new TextDecoder() : null;
}

ryancdotorg

#!/usr/bin/env python3

import os, sys
import json
import tarfile

# apply attributes
def modify(attrib, stat, info):
    if 'mtime' in attrib:
        info.mtime = attrib['mtime']

ryancdotorg

<TaskerData sr="" dvi="1" tv="5.9.2">
        <Profile sr="prof22" ve="2">
                <cdate>1568555561584</cdate>
                <edate>1569679198184</edate>
                <id>22</id>
                <mid0>21</mid0>
                <nme>Rotate Ad ID</nme>
                <Time sr="con0">
                        <fh>0</fh>
                        <fm>0</fm>

ryancdotorg

https://gist.github.com/ryancdotorg/7f1aca1ae49628442a87b9e9d9e01e3e

ryancdotorg

// Based on https://github.com/ricmoo/scrypt-js

"use strict";

(function(root) {
    const MAX_VALUE = 0x7fffffff;

    // Returns a Promise that resolves to an ArrayBuffer.
    async function PBKDF2_HMAC_SHA256(password, salt, iterations, dkLen) {
        return crypto.subtle.importKey('raw', password, {name: 'PBKDF2'}, false, ["deriveBits"]).then(

ryancdotorg

#!/bin/sh
IFACE="$1"
SRCIP="$2"
DSTIP="$3"
MAC=`/usr/sbin/arping -r -C1 -w10 -i "$IFACE" -S "$SRCIP" "$DSTIP"`
if [ $? -eq 0 ]
then
        /sbin/ip neigh replace "$DSTIP" lladdr "$MAC" dev "$IFACE" nud permanent || exit $?
        /sbin/ip route replace default via "$DSTIP" dev "$IFACE" || exit $?
else

ryancdotorg

// SipHash-2-4 in x86_64 assembly, hand optimized for size (183 bytes)
// Written by Ryan Castellucci
// Disclaimer: Don't use this.

        .global siphash
        .global end_siphash

        .text

// uint64_t siphash(const void *src, uint32_t src_sz, const uint8_t key[16])

ryancdotorg

--- old/src/perl.c      2017-03-04 21:21:35.000000000 +0000
+++ new/src/perl.c      2019-03-09 23:42:10.546624662 +0000
@@ -160,6 +160,23 @@
   uschar *str;
   int items;
 
+  if (name[0] == '_')
+    {
+    *errstrp = US"forbidden function name";
+    return 0;

ryancdotorg

--- old/src/readconf.c  2019-03-09 20:41:17.000000000 +0000
+++ new/src/readconf.c  2019-03-13 07:44:59.855569375 +0000
@@ -152,6 +152,7 @@
   { "extra_local_interfaces",   opt_stringptr,   &extra_local_interfaces },
   { "extract_addresses_remove_arguments", opt_bool, &extract_addresses_remove_arguments },
   { "finduser_retries",         opt_int,         &finduser_retries },
+  { "forbid_run",               opt_bit | (RDON_RUN << 16), &expand_forbid },
   { "freeze_tell",              opt_stringptr,   &freeze_tell },
   { "gecos_name",               opt_stringptr,   &gecos_name },
   { "gecos_pattern",            opt_stringptr,   &gecos_pattern },