ljmccarthy

# The world's stupidest HTTP server
def http_serve_data(data, bind_address, bind_port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
        sock.bind((bind_address, bind_port))
        sock.listen()
        conn, addr = sock.accept()
        with conn:
            conn.recv(1024) # Read and discard request
            conn.sendall(b'HTTP/1.1 200 OK\r\nContent-Type: application/octet-stream\r\nContent-Length: ' + str(len(data)).encode('ascii') + b'\r\n\r\n')
            conn.sendall(data)

ljmccarthy

# Fowler–Noll–Vo hash function
# https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function

fnv_prime_32 = 2**24 + 2**8 + 0x93
offset_basis_32 = 0x811c9dc5

def fnv1a_hash_32(bs):
    r = offset_basis_32
    for b in bs:
        r = r ^ b

ljmccarthy

format ELF64 executable 3

segment readable executable

entry $
    mov eax, 1                      ; sys_write
    mov edi, 1                      ; fd = STDOUT_FILENO
    mov rsi, message                ; buf
    mov rdx, message.end - message  ; count
    syscall

ljmccarthy

powercfg /batteryreport /output "C:\battery_report.html"

ljmccarthy

# Dummy X server
pgrep Xvfb >/dev/null || (Xvfb :99 &)
export DISPLAY=:99

ljmccarthy

# Remove Windows path
export PATH="$HOME/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games"

# Set DISPLAY for local X11 forwarding
export DISPLAY="`grep nameserver /etc/resolv.conf | sed 's/nameserver //'`:0"

# Alias for copying to Windows clipboard
alias clip='/mnt/c/Windows/System32/clip.exe'

ljmccarthy

06                push es
07                pop es
0E                push cs
16                push ss
17                pop ss
1E                push ds
1F                pop ds
27                daa
2F                das
37                aaa

ljmccarthy

-- Journal begins at Sat 2021-12-18 01:16:40 GMT, ends at Sat 2021-12-18 14:15:17 GMT. --
Dec 18 02:46:22 pythagoras systemd[1]: Stopping Network Configuration...
Dec 18 02:46:22 pythagoras systemd-networkd[274]: enp0s20f3: DHCPv6 lease lost
Dec 18 02:46:22 pythagoras systemd-networkd[274]: enp0s20f2: DHCPv6 lease lost
Dec 18 02:46:22 pythagoras systemd-networkd[274]: enp0s20f1: DHCPv6 lease lost
Dec 18 02:46:22 pythagoras systemd-networkd[274]: enp0s20f0: DHCPv6 lease lost
Dec 18 02:46:22 pythagoras systemd[1]: systemd-networkd.service: Deactivated successfully.
Dec 18 02:46:22 pythagoras systemd[1]: Stopped Network Configuration.
Dec 18 02:46:22 pythagoras systemd[1]: Starting Network Configuration...
Dec 18 02:46:23 pythagoras systemd-networkd[22214]: veth4c4bd7c: Link UP

ljmccarthy

#!/usr/bin/env python3

import sys
import requests
from bs4 import BeautifulSoup

def get_links(url):
    soup = BeautifulSoup(requests.get(url).text, 'html.parser')
    for a in soup.find_all('a'):
        href = a.get('href')

ljmccarthy

/*
 * 8-bit bitwise addition (full adder) implemented using only bitwise operations.
 * Luke McCarthy 2021-10-06
 */

#include <assert.h>
#include <stdint.h>
#include <stdio.h>

static uint8_t carry(uint8_t A, uint8_t B, uint8_t C)