Justen Walker justenwalker

justenwalker / direnv_prune.sh

Last active October 3, 2022 13:11

Direnv Prune Allow List

	# removes direnv allow entries which point to nonexistent .envrc files
	# or where the hash of the envrc does not match
	direnv_prune () {
	for entry in ~/.local/share/direnv/allow/*
	do
	local file=$(cat $entry)
	if [ ! -f $file ]
	then
	rm $entry
	else

justenwalker / gpg-gen.sh

Last active October 21, 2021 19:22

Generate ECC GPG Key

	#!/bin/bash
	# Usage: gpg-gen.sh
	#
	# Generates a new ECC GPG Key with a random passphrase
	# It will output the resulting keys to ~/gpg-keys/
	# You should save these somewhere safe like 1Password

	set -euo pipefail

	PRIMARY_KEY_EXPIRATION=3y

justenwalker / boxstarter.ps1

Last active November 1, 2019 03:32

Boxstarter Script

	# Based off https://gist.github.com/jessfraz/7c319b046daa101a4aaef937a20ff41f


	$gistContent = "https://gist.githubusercontent.com/justenwalker/25211c0fa10ddd705a3f6077e2b7694c"

	#--- Function Library ---#
	# New-RegistryKey creates the specified registry key if it does not exist
	# It will recursively create any parent keys
	function New-RegistryKey
	{

justenwalker / raw_tcp_table_iterate_windows.go

Last active January 10, 2019 03:57

Iterate through each array entry using unsafe.Pointer arithmetic

	rows := make([]_MIB_TCPROW_OWNER_PID,int(pTable.dwNumEntries))
	for i := 0; i < int(pTable.dwNumEntries); i++ {
	rows[i] = (_MIB_TCPROW_OWNER_PID)(unsafe.Pointer(
	uintptr(unsafe.Pointer(&pTable.table[0])) +
	uintptr(i) * unsafe.Sizeof(pTable.table[0])
	))
	}

justenwalker / get_extended_tcp_table_windows.go

Last active June 20, 2021 16:14

Call Windows API for GetExtendedTcpTable and return a Byte Buffer containing the result.

	package win32

	import (
	"syscall"
	"unsafe"
	)

	var (
	iphlpapiDLL = syscall.NewLazyDLL("iphlpapi.dll")
	procGetExtendedTcpTable = iphlpapiDLL.NewProc("GetExtendedTcpTable")

justenwalker / string_convert_windows.go

Last active July 31, 2020 02:49

Convert Go strings to C-compatible strings for Windows API Calls

	package win32

	import "unicode/utf16"

	// StringToCharPtr converts a Go string into pointer to a null-terminated cstring.
	// This assumes the go string is already ANSI encoded.
	func StringToCharPtr(str string) *uint8 {
	chars := append([]byte(str), 0) // null terminated
	return &chars[0]
	}

justenwalker / call-windows.go

Last active October 8, 2021 22:58

Calling Windows API from Go

	package win32

	import "syscall"
	import "unsafe"

	var (
	kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
	procCreateJobObjectA = kernel32DLL.NewProc("CreateJobObjectA")
	)

justenwalker / damon-metrics-config-example.hcl

Last active November 8, 2018 21:42

Damon prometheus metrics example

	# Ask for a port on which Damon can serve Prometheus metrics
	network {
	port "damon" {}
	}

	# Advertise damon as a service
	service {
	port = "damon"
	name = "${NOMAD_TASK_NAME}-damon"
	}

justenwalker / damon-example-snip.hcl

Created November 8, 2018 21:31

Damon example raw_exec config section

	driver = "raw_exec"
	config {
	command = "damon.exe" # Damon is the new task entry-point (it should be on the PATH)
	args = ["my.exe","arg1","arg2"] # Your command + Args here
	}

justenwalker / damon-example.ps1

Last active November 8, 2018 21:33

Damon run example