stbuehler

#!/usr/bin/ruby

# REQUIRES:
# * rooted android, as otherwise you can't read the applications private data
# * to display the qr code "qrencode" (http://fukuchi.org/works/qrencode/)
#   and "display" from ImageMagick

# This script "decrypts" the token from the internal state of the
# Battle.net Mobile Authenticator on android application, converting
# it into an "otpauth" url (https://code.google.com/p/google-authenticator/wiki/KeyUriFormat)

stbuehler

*.so

stbuehler

#!/bin/bash

# quote command in ssh call to prevent remote side from expanding any arguments
# uses bash printf %q for quoting - no idea how compatible this is with other shells.
# http://stackoverflow.com/questions/6592376/prevent-ssh-from-breaking-up-shell-script-parameters

sshargs=()

while (( $# > 0 )); do
	case "$1" in

stbuehler

#include <uapi/linux/ptrace.h>
#include <linux/sched.h>
#include <linux/fcntl.h>
#include <linux/fs.h>
#include <linux/path.h>
#include <linux/dcache.h>
#include <linux/limits.h>

stbuehler

#include <fcntl.h>

/* Usage example: bpftrace fcntl_setlk.bt podman */

kretfunc:vmlinux:fcntl_setlk / $# == 0 || comm == str($1) / {
	if (args->flock->l_type == F_UNLCK) {
		delete(@pending_locks[pid, args->filp])
	} else if (retval == 0) {
		@pending_locks[pid, args->filp] = 1
	}

stbuehler

-- take all numbers from the 3rd until the second last line, multiply each
-- number with the associated multiplier from the list [10,5,6,7,8,9,11,13,14,15,16,2,3,17,18,19]
-- and sum everything up (modulo Int32) to get the checksum.
-- (hint: line 11, the 9th number in the list, is the cash amount)

-- in haskell:
import Data.Int

checksum :: [Int32] -> Int32
checksum nums = sum $ zipWith (*) nums [10,5,6,7,8,9,11,13,14,15,16,2,3,17,18,19]

stbuehler

# Find block device names for main disk, rootfs and /boot (if it is on a separate partition; usually with encrypted rootfs)
# your main disk isn't necessarily /dev/sda anymore; NVMe disks have names like /dev/nvme0n1
# -> /dev/sda might as well be the "livecd"
# For UEFI boot you should also identify the EFI partition; EFI requires a gpt PTTYPE.
lsblk -p -o NAME,RM,SIZE,RO,PTTYPE,TYPE,FSTYPE,MOUNTPOINT,LABEL,PARTLABEL
# or use `lsblk -p; blkid` instead of the long lsblk command

# If you run mdadm raid, probably should start with that. Instructions not included (yet).
# If encrypted rootfs: open it
cryptsetup open /dev/${cryptpart} ${cryptpart}_crypt

stbuehler

/*
 * Build:
 *   LDFLAGS=-lcrypt make mkcrypt
 *
 * Usage:
 *   mkcrypt [algo [saltlen [randomsource]]]
 *
 *    - reads password from stdin (tries to set echo off)
 *
 *   Defaults to $6$ as algo, 16 for saltlen and /dev/random for the

stbuehler

#!/bin/sh

# example config for i3 (.config/i3/config):
# # select window with mouse
# bindsym Print exec --no-startup-id scrot-xclip.sh --select --freeze
# # current window
# bindsym $mod+Print exec --no-startup-id scrot-xclip.sh --focused

set -e

stbuehler

/* Batcher odd-even mergesort: http://en.wikipedia.org/wiki/Batcher_odd-even_mergesort */
/* O(n * (log n) * (log n)): inplace, and could run in O( (log n) * (log n) ) on n cores in parallel */

/* Most implemenations only handle power-of-two input sizes; this implementation
   appends "virtual" infinity items at the end of input (takes no space) */

#include <vector>
#include <cassert>