rinsuki

# /// script
# requires-python = ">=3.14"
# dependencies = [
#     "httpx>=0.28.1",
# ]
# ///

import httpx
import re
from xml.etree import ElementTree as ET

rinsuki

OpenCV.NET の解像度を無理矢理変えるくん

こいつがやること

• OpenCV.NET が OpenCV を呼び出す処理にフックをかけて、アプリが解像度を設定する時に値をこっそり置き換えます

使い方

• frida-inject を落としてくる
  • 動くことを確認済み: https://github.com/frida/frida/releases/download/17.2.11/frida-inject-17.2.11-windows-x86_64.exe.xz

rinsuki

(() => {
    let _mods = webpackChunkdiscord_app.push([[Symbol()],{},r=>r.c]);
    webpackChunkdiscord_app.pop();
    const ProbablyStreamModule = Object.values(_mods).find(x => {
        if (x.exports == null) return false
        if (typeof x.exports !== "object") return false
        const keys = Object.keys(x.exports)
        if (keys.length !== 1) return false
        const key = keys[0]
        const value = x.exports[key]

rinsuki

(async () => {
    async function inputToCanvas(input) {
        const needShift = '!"#$%&()}*+:>?@^_{|}~'
        const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms))
        const canvas = document.querySelector("#screen canvas")
        for (const char of input) {
            console.log(char)
            if (char === "\n") {
                const keydown = new KeyboardEvent("keydown", {
                    code: "Enter",

rinsuki

import ipaddress
import re

def convert_ipv6_netmask_to_prefixlen(addr: str):
	addr = ipaddress.IPv6Interface(addr)
	addr = "".join([f"{byte:08b}" for byte in addr.packed])
	return len(re.match("^(1*)(0*)$", addr).group(1))

assert convert_ipv6_netmask_to_prefixlen("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff") == 128
assert convert_ipv6_netmask_to_prefixlen("ffff:ffff:ffff:ffff::") == 64

rinsuki

	.section	__TEXT,__text,regular,pure_instructions
	.build_version macos, 13, 0	sdk_version 15, 0
	.globl	_main
	.p2align	2
_main:
	mov	w0, #0
	ret

	.private_extern	_$s4test4mainSiyF
	.globl	_$s4test4mainSiyF

rinsuki

Exception: mprotect returned EACCES
MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform.SetMemPerms (System.IntPtr start, System.UInt64 len, MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform+MmapProts prot) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.RuntimeDetour.Platforms.DetourNativeMonoPosixPlatform.MakeWritable (System.IntPtr src, System.UInt32 size) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.RuntimeDetour.DetourHelper.MakeWritable (MonoMod.RuntimeDetour.IDetourNativePlatform plat, MonoMod.RuntimeDetour.NativeDetourData detour) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.RuntimeDetour.Platforms.DetourRuntimeILPlatform._HookSelftest (System.Reflection.MethodInfo from, System.Reflection.MethodInfo to) (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.RuntimeDetour.Platforms.DetourRuntimeILPlatform..ctor () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.RuntimeDetour.Platforms.DetourRuntimeMonoPlatform..ctor () (at <036d18f9edfb4e6d97ce4f777d0e0eb4>:0)
MonoMod.Run

rinsuki

Check Picard plugin location with https://picard-docs.musicbrainz.org/en/troubleshooting/does_not_start.html and place to subdirectory of plugins folder.

e.g. on macOS, ~/Library/Preferences/MusicBrainz/Picard/plugins/shiftjis-wav/__init__.py

rinsuki

import glob
import plistlib

FAKE_VERSION = b"22G74"

for file in glob.iglob("**/Info.plist", recursive=True):
    if ".storyboardc/" in file:
        continue
    print(file)
    with open(file, "rb") as fp:

rinsuki

const BLOCK_SIZE: usize = 4 * 1024 * 1024;

/// Implementation of Dropbox's Content Hash.
/// See https://www.dropbox.com/developers/reference/content-hash
pub struct ContentHash {
    entire_hasher: ring::digest::Context,
    block_hasher: ring::digest::Context,
    block_position: usize,
}