BlackthornYugen

#include <cstdio>
#include <iostream>
#include <vector>

static const int BUFFER_READ_SIZE = 8;
static const int MAX_READ_SIZE = 4 * 1024 * 1024; // 4MiB

int main() {
  std::vector<char> echoData;
  char stdinBuffer[BUFFER_READ_SIZE];

BlackthornYugen

#!/usr/bin/env bash
set -e
DEFAULT_SUBJECT_PREFIX=${DEFAULT_SUBJECT_PREFIX:-"/C=CA/ST=Ontario/L=Kitchener/O=jskw"}
DEFAULT_KEY_TYPE="${DEFAULT_KEY_TYPE:-ec:prime256v1.pem}"
openssl ecparam -name prime256v1 > prime256v1.pem

log() {
    # cowsay if available
    if which cowsay > /dev/null ; then
        echo ""

BlackthornYugen

#!/usr/bin/env bash
# 
# Create container with the following command: 

docker run \
      -d \
      -e TZ=America/Toronto \
      -v $PWD/data:/home/node/.webthings \
      --log-opt max-size=1m \
      --log-opt max-file=10 \

BlackthornYugen

#!/usr/bin/env bash
set -e

DAYS_BEFORE_EMAIL=21
TO_ADDR="Joe <joe@example.com>"
BCC_ADDR="Demo <demo@example.com>"

find ~/.acme.sh -name '*cer' | tee certs_to_check.txt

# usage $0 {NEW_CERT} {OLD_CERT}

BlackthornYugen

# https://adventofcode.com/2020/day/2 part 2 in jq
# Invoked with jq --raw-input --slurp --from-file aoc2.jq input.2.txt

# x ^ y
def xor($x;$y): 
    ($x or $y)        # Either $x or $y
        and           # but
    ($x and $y | not) # not both
;

BlackthornYugen

# Make a neato jq filter that just gives us question and answer sections.
JQ_FILTER='.[].message.response_message_data | [.QUESTION_SECTION[], ( .ANSWER_SECTION[]? | split(" ")[-1])]'

# What are my name servers for each of these? 
for domain in jskw jsteel jsteelkw ; do for tld in ca dev ; do dig ${domain}.${tld} +yaml -tns | yq $JQ_FILTER  ; done ; done # SHOW NS
[
  "jskw.ca. IN NS",
  "ns-cloud-c4.googledomains.com.",
  "ns-cloud-c3.googledomains.com.",
  "ns-cloud-c2.googledomains.com.",

BlackthornYugen

#!/usr/bin/env bash
# Need a recent openssl to use -6 option (sha512). Either update openssl or change to -1 or similar if it doesn't work
shuf -n30 /usr/share/dict/words | tr '\n' ' ' | fold -s -w 48  | tr ' ' ';' | openssl passwd -6 -noverify -table -stdin
# Example Output:
#carrotwood;sacerdotalist;unfallible;homeliness;	$6$xGj40hGX9L0NyToC$hqPn25jIFzS2vzfEVpsmzbDe3XeXtUkTJPHKBO7SI6FTkub4gqUWq5dpB8wfqkEoQClTmWkuiuN8K8eYIcfXL1
#schoolteaching;moule;malesherbiaceous;	$6$//mFpIknpKEToVt1$cyNLuPOsvPCW5KzJiS86rKKfonl8PBG0B/Xf5bLwiEvdcm64OX0jqwbhIxjOjrTejxUcB0ys.B0kdBLasb8l/.
#hypsophonous;ungroundedness;did;sapek;	$6$NA29jYnRwQ1Tstlh$AW0NoJSKXCIiBo86FB9TKmD0aS67fcdtc.x8.VjeGgj287EuREkDWRmh/cxArFs8rGSM5eDPVC0kYyn52DlpX0
#strepsinema;Thackerayana;camelman;	$6$tze4YcdZgPo6e18o$PtsCCwvbkEuvfQoOnPH8ZErQeoGE8/PQvOhdkYioP687ZAujRbtK.IpKLSfVPM6tvsTkN9Z1qjrbssioezG1S.
#amyelencephalia;creeded;city;Triodon;oosporic;	$6$Jh/vWDP3BM5Wah/X$CVfCUvFVVXQRBdGPo0x8YiIlLm0mm/4uadaHP39tCITxij8T98HMtVD9khCrVce0D.7AaC1cetiOlX/BF3IG..

BlackthornYugen

/*
 * Sending an email using kotlin and javax.mail
 * 
 * Usage: java -jar app.jar <user> <password> <from> <to> <cc>
 */
package main.kotlin.sendmail

import java.util.*
import javax.mail.*
import javax.mail.internet.*

BlackthornYugen

#!/usr/bin/env bash
FILTER_YUBIKEY='/Yubikey/{print;getline;getline;print;getline;print}'
EXPECTED_YUBI_MD5="1a067fac7f6915a0acd5a235876fd33e" # Hash of USB Device
LONG_POLL_TIME=3  # Poll time after locking
SHORT_POLL_TIME=1 # Poll time while waiting for yubikey to disconnect
ARMED=0
DATESTRING=%Y-%m-%d\ %H:%M:%S.000

do_screen_saver() {
  echo "`date \"+${DATESTRING}\"` locking screen"

BlackthornYugen

#!/usr/bin/env bash
DUCKPATH=~/duckdns
TOKEN=changeme
DOMAINS=steelcomputers
curl -sSv "https://www.duckdns.org/update?domains=${DOMAINS}&token=${TOKEN}&ip=" \
  2>> ${DUCKPATH}/stderr.log \
   >> ${DUCKPATH}/stdout.log
printf ' - ' >> ${DUCKPATH}/stdout.log
date >> ${DUCKPATH}/stdout.log