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wip dumpo

This commit is contained in:
Robin Appelman 2020-02-07 23:09:41 +01:00
commit 9496c0a605
4 changed files with 208 additions and 33 deletions

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@ -5,7 +5,8 @@ authors = ["Robin Appelman <robin@icewind.nl>"]
edition = "2018"
[dependencies]
btleplug = "0.3.1"
btleplug = { version = "0.4.0", path = "../btleplug" }
[dev-dependencies]
main_error = "0.1.0"
main_error = "0.1.0"
env_logger = "0.7.1"

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@ -1,4 +1,5 @@
fn main() -> Result<(), btleplug::Error> {
env_logger::init();
mitemp::test()?;
Ok(())
}
}

62
src/cipher.rs Normal file
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@ -0,0 +1,62 @@
use std::ops::Rem;
pub fn mix_a(mac: [u8; 6], product_id: u16) -> [u8; 8] {
[
mac[0],
mac[2],
mac[5],
(product_id & 0xFF) as u8,
(product_id & 0xFF) as u8,
mac[4],
mac[5],
mac[1],
]
}
pub fn mix_b(mac: [u8; 6], product_id: u16) -> [u8; 8] {
[
mac[0],
mac[2],
mac[5],
(product_id >> 8 & 255) as u8,
mac[4],
mac[0],
mac[5],
(product_id & 255) as u8,
]
}
const KEY_SIZE: usize = 256;
fn cipher_init(key: &[u8]) -> [u8; KEY_SIZE] {
let mut perm = [0u8; KEY_SIZE];
for i in 0..KEY_SIZE {
perm[i] = i as u8;
}
let mut j: u8 = 0;
for ia in 0..KEY_SIZE {
j = j.wrapping_add(perm[ia]).wrapping_add(key[ia % key.len()]);
perm.swap(ia, j as usize);
}
perm
}
fn cipher_crypt(input: &[u8], mut perm: [u8; KEY_SIZE]) -> Vec<u8> {
let mut output = Vec::with_capacity(input.len());
let mut index1: u8 = 0;
let mut index2: u8 = 0;
for i in 0..input.len() {
index1 = index1.wrapping_add(1);
index2 = index2.wrapping_add(perm[index1 as usize]);
perm.swap(index1 as usize, index2 as usize);
let index = perm[index1 as usize].wrapping_add(perm[index2 as usize]);
output.push(input[i] ^ perm[index as usize]);
}
output
}
pub fn cipher(key: &[u8], input: &[u8]) -> Vec<u8> {
cipher_crypt(input, cipher_init(key))
}

View file

@ -1,47 +1,69 @@
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_mut)]
mod cipher;
use btleplug::api::{
BDAddr, Central, CentralEvent, CharPropFlags, Characteristic, Peripheral, UUID,
};
use btleplug::bluez::adapter::ConnectedAdapter;
use btleplug::bluez::manager::Manager;
use std::str::FromStr;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::mpsc::channel;
use std::sync::Arc;
use std::thread;
use std::time::{Duration, Instant};
use btleplug::bluez::manager::Manager;
use btleplug::api::{UUID, Central, Peripheral, BDAddr, CentralEvent, Characteristic};
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use btleplug::bluez::adapter::ConnectedAdapter;
pub fn test() -> Result<(), btleplug::Error> {
let addr = BDAddr {
address: [0xAA, 0xDA, 0x56, 0x70, 0x4D, 0x1C]
};
// let addr = BDAddr::from_str("1C:4D:70:56:DA:AA").unwrap();
let addr = BDAddr::from_str("00:1A:7D:DA:71:08").unwrap();
// let addr = BDAddr::from_str("40:4E:36:BF:E1:45").unwrap();
let adapter = adapter_by_mac(addr)?;
// reset the adapter -- clears out any errant state
dbg!("discovering");
let addr = BDAddr {
address: [0xD4, 0xF3, 0x35, 0x34, 0x2D, 0x58]
};
let addr = BDAddr::from_str("58:2d:34:35:f3:d4").unwrap();
let mut device = Device::discover(&adapter, addr).unwrap();
println!("connecting");
device.connect()?;
device.auth([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12])?;
let _ = dbg!(device.get_firmware());
let _ = dbg!(device.get_battery());
Ok(())
device.listen(|| {})
}
pub fn adapter_by_mac(addr: BDAddr) -> Result<ConnectedAdapter, btleplug::Error> {
let manager = Manager::new()?;
let adapters = manager.adapters()?;
let mut adapter = adapters.into_iter().find(|adapter| adapter.addr == addr).ok_or(btleplug::Error::DeviceNotFound)?;
adapter = manager.down(&adapter).unwrap();
adapter = manager.up(&adapter).unwrap();
let mut adapter = adapters
.into_iter()
.find(|adapter| adapter.addr == addr)
.ok_or(btleplug::Error::DeviceNotFound)?;
//
// adapter = manager.down(&adapter).unwrap();
// adapter = manager.up(&adapter).unwrap();
adapter.connect()
}
const UUID_DEVICE_NAME: UUID = UUID::B16(0x2A00);
const UUID_APPEARANCE: UUID = UUID::B16(0x2A01);
const UUID_BATTERY: UUID = UUID::B16(0x2A19);
const UUID_MODEL: UUID = UUID::B16(0x2A24);
const UUID_SERIAL: UUID = UUID::B16(0x2A25);
const UUID_FIRMWARE: UUID = UUID::B16(0x2A26);
const UUID_REVISION: UUID = UUID::B16(0x2A27);
const UUID_MANUFACTURER: UUID = UUID::B16(0x2A29);
const UUID_WRITE_SENSOR: UUID = UUID::B16(0x2A05);
const UUID_AUTH_INIT: UUID = UUID::B16(0x0010);
const UUID_AUTH: UUID = UUID::B16(0x0001);
const UUID_AUTH_VER: UUID = UUID::B16(0x0004);
struct Device<P: Peripheral> {
peripheral: P,
@ -57,13 +79,14 @@ impl<P: Peripheral> Device<P> {
adapter.on_event(Box::new(move |ev| {
match ev {
CentralEvent::DeviceDiscovered(discovered_mac) if mac == discovered_mac => {
device_count_clone.store(true, Ordering::Relaxed);
// println!("discovered {}", discovered_mac);
// device_count_clone.store(true, Ordering::Relaxed);
}
_ => {}
};
}));
for _ in 0..1500 {
for _ in 0..150 {
thread::sleep(Duration::from_millis(100));
if found.load(Ordering::Relaxed) {
break;
@ -74,10 +97,10 @@ impl<P: Peripheral> Device<P> {
match adapter.peripheral(mac) {
Some(peripheral) => Ok(Device {
peripheral,
peripheral: dbg!(peripheral),
connected: false,
}),
None => Err(btleplug::Error::DeviceNotFound)
None => Err(btleplug::Error::DeviceNotFound),
}
}
@ -93,9 +116,10 @@ impl<P: Peripheral> Device<P> {
self.connected = true;
self.peripheral.discover_characteristics()?;
// dbg!(self.peripheral.characteristics());
return Ok(());
},
Err(e) => eprintln!("{}", e)
}
Err(e) => eprintln!("{}", e),
}
}
@ -105,20 +129,107 @@ impl<P: Peripheral> Device<P> {
}
fn get_characteristic(&self, uuid: UUID) -> Option<Characteristic> {
self.peripheral.characteristics().into_iter().find(|c| c.uuid == uuid)
self.peripheral
.characteristics()
.into_iter()
.find(|c| c.uuid == uuid)
}
pub fn get_battery(&self) -> Result<u8, btleplug::Error> {
let bat = self.get_characteristic(UUID_BATTERY).unwrap();
let data = self.peripheral.read(&bat)?;
fn get_u8(&self, uuid: UUID) -> Result<u8, btleplug::Error> {
let c = self.get_characteristic(uuid).unwrap();
let data = self.peripheral.read(&c)?;
Ok(data[1])
}
pub fn get_firmware(&self) -> Result<String, btleplug::Error> {
let bat = self.get_characteristic(UUID_FIRMWARE).unwrap();
let data = self.peripheral.read(&bat)?;
fn get_u16(&self, uuid: UUID) -> Result<u16, btleplug::Error> {
let c = self.get_characteristic(uuid).unwrap();
let data = self.peripheral.read(&c)?;
dbg!(&data);
Ok(u16::from_le_bytes([data[1], data[2]]))
}
pub fn get_battery(&self) -> Result<u8, btleplug::Error> {
self.get_u8(UUID_BATTERY)
}
fn get_string(&self, uuid: UUID) -> Result<String, btleplug::Error> {
let c = self.get_characteristic(uuid).unwrap();
let data = self.peripheral.read(&c)?;
let data = data[1..].to_vec();
Ok(String::from_utf8(data).unwrap())
}
}
pub fn get_firmware(&self) -> Result<String, btleplug::Error> {
self.get_string(UUID_FIRMWARE)
}
pub fn get_name(&self) -> Result<String, btleplug::Error> {
self.get_string(UUID_DEVICE_NAME)
}
pub fn auth(&self, token: [u8; 12]) -> Result<(), btleplug::Error> {
dbg!("auth");
dbg!(self.peripheral.request(
&self.get_characteristic(UUID_AUTH_INIT).unwrap(),
// &[0x90, 0xCA, 0x85, 0xDE],
&[0x90, 0xCA, 0x85, 0xDE],
));
let (auth_in, auth_out) = channel();
self.peripheral
.subscribe(&self.get_characteristic(UUID_AUTH).unwrap())?;
self.peripheral
.on_notification(Box::new(move |notification| {
dbg!(notification.uuid);
if notification.uuid == UUID_AUTH {
auth_in.send(notification.value).unwrap();
}
}));
let mac = self.peripheral.address().address;
let device_id = 426;
// let device_id = 131;
let data = cipher::cipher(&cipher::mix_a(mac, device_id), &token);
self.peripheral
.request(&self.get_characteristic(UUID_AUTH).unwrap(), &data);
let auth_response = auth_out.recv().unwrap();
let verify = cipher::cipher(
&cipher::mix_b(mac, device_id),
&cipher::cipher(&cipher::mix_a(mac, device_id), &auth_response),
);
assert_eq!(&token, verify.as_slice());
// dbg!(self.peripheral.command(
// &self.get_characteristic(UUID_AUTH).unwrap(),
// &[0x92, 0xAB, 0x54, 0xFA],
// ));
dbg!(self.peripheral.request(
&self.get_characteristic(UUID_AUTH).unwrap(),
&[0x92, 0xAB, 0x54, 0xFA],
));
dbg!(&self
.peripheral
.read(&self.get_characteristic(UUID_AUTH_VER).unwrap())?);
Ok(())
}
pub fn listen(&self, callback: impl Fn() -> ()) -> Result<(), btleplug::Error> {
let uuid = UUID::from_str("22:6C:AA:55:64:76:45:66:75:62:66:73:44:70:66:6D").unwrap();
let sensor = self.get_characteristic(uuid).unwrap();
eprintln!("sub");
self.peripheral.subscribe(&sensor)?;
eprintln!("notify");
self.peripheral.on_notification(Box::new(|notification| {
dbg!(String::from_utf8(notification.value).unwrap());
}));
loop {
eprintln!("sleep");
thread::sleep(Duration::from_millis(5000));
dbg!(self.get_battery());
}
}
}