Nicolai Søborg NicolaiSoeborg

TL;DR: Grab this value jq -r '.location' $(sudo -u caddy caddy environ | awk -F'=' '/^caddy.AppDataDir=/{print $2"/acme/acme-v02.api.letsencrypt.org-directory/users/*/caddy.json"}') and jump to step 4.
In your Caddyfile you should add an email to the Global Options Block:

{
	email [email protected]
}

	from io import BytesIO
	from time import sleep, time
	from picamera import PiCamera
	from PIL import Image, ImageChops
	import numpy as np

	def take_image(cam, stream):
	cam.capture(stream, resize=(320, 240), format='jpeg')
	# "Rewind" the stream to the beginning so we can read its content
	stream.seek(0)

	from io import BytesIO
	from time import sleep, time
	from picamera import PiCamera
	from PIL import Image, ImageChops
	import numpy as np

	def take_image(cam, stream):
	stream.seek(0)
	# stream.truncate() # resize to current position
	print("Taking image")

	# Edit: this doesn't work, I can't get the upstream part to be "raw"
	# Also this error: "http.request.tls.server_name" will be "signal.xn--sb-lka.org" and not the inner SNI

	signal.xn--sb-lka.org {
	#respond / "HELLO"

	map {http.request.tls.server_name} {my_placeholder} {
	chat.signal.org "chat.signal.org:443"
	ud-chat.signal.org "chat.signal.org:443"
	textsecure-service.whispersystems.org "chat.signal.org:443"

	#include <string.h>

	/*
	gcc -c -o hook.o hook.c
	gcc -shared -o hook.so hook.o
	LD_PRELOAD=./hook.so ./binary
	*/

	int getentropy(char *s, int size) {
	memset(s, 0x41, size);

	import trio # python3 -m pip install --upgrade trio

	HTML = "<html>Hello World!</html>"
	HTTP_BANNER = f"HTTP/1.1 200 OK\nContent-Length: {len(HTML)+1}\n\n{HTML}\n".encode()

	async def forward_from_a_to_b(a, b):
	async for chunk in a:
	print(f"=> {chunk}", flush=True)
	await b.send_all(chunk)

	import angr

	proj = angr.Project("./chal", auto_load_libs=False)
	state = proj.factory.entry_state()
	simgr = proj.factory.simulation_manager(state)
	simgr.explore(find=lambda s: b"Correct!" in s.posix.dumps(1))
	# Out[6]: <SimulationManager with 2 active, 34 deadended, 1 found>

	print(simgr.found[0].posix.dumps(0))

	import httpx
	from flask import Flask, request

	URL = 'http://example.com/vuln'
	client = httpx.Client(http2=True)
	app = Flask(__name__)

	@app.route("/vuln")
	def hello_world():
	param = request.args['q']