Add zeroconf based authentication.

This commit is contained in:
Paul Lietar 2016-01-02 00:16:12 +01:00
parent 4806f3e85a
commit bead9daf78
14 changed files with 664 additions and 249 deletions

View file

@ -7,6 +7,7 @@ addons:
packages:
- protobuf-compiler
- portaudio19-dev
- libavahi-compat-libdnssd-dev
before_install:
- export PATH=$HOME/.cargo/bin:$PATH

147
Cargo.lock generated
View file

@ -4,20 +4,25 @@ version = "0.1.0"
dependencies = [
"bit-set 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
"dns-sd 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"eventual 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"getopts 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
"json_macros 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
"librespot-protocol 0.1.0",
"num 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
"portaudio 0.1.2 (git+https://github.com/mvdnes/portaudio-rs)",
"protobuf 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
"protobuf 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
"protobuf_macros 0.1.0 (git+https://github.com/plietar/rust-protobuf-macros.git)",
"rand 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
"rpassword 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rust-crypto 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
"shannon 0.1.1 (git+https://github.com/plietar/rust-shannon.git)",
"tempfile 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
"time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
"tiny_http 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
"url 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
"vergen 0.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
"vorbis 0.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -31,6 +36,11 @@ dependencies = [
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "ascii"
version = "0.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "bit-set"
version = "0.2.0"
@ -54,6 +64,82 @@ name = "byteorder"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "chrono"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
"time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "chunked_transfer"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "dns-sd"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "encoding"
version = "0.2.32"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding-index-japanese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
"encoding-index-korean 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
"encoding-index-simpchinese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
"encoding-index-singlebyte 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
"encoding-index-tradchinese 1.20141219.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding-index-japanese"
version = "1.20141219.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding-index-korean"
version = "1.20141219.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding-index-simpchinese"
version = "1.20141219.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding-index-singlebyte"
version = "1.20141219.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding-index-tradchinese"
version = "1.20141219.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"encoding_index_tests 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "encoding_index_tests"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "eventual"
version = "0.1.5"
@ -78,6 +164,14 @@ name = "getopts"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "json_macros"
version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "kernel32-sys"
version = "0.1.4"
@ -116,7 +210,7 @@ name = "librespot-protocol"
version = "0.1.0"
dependencies = [
"mod_path 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
"protobuf 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
"protobuf 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -127,6 +221,11 @@ dependencies = [
"libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "matches"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "mod_path"
version = "0.1.6"
@ -177,7 +276,7 @@ dependencies = [
[[package]]
name = "protobuf"
version = "1.0.9"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
@ -278,6 +377,48 @@ dependencies = [
"winapi 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "tiny_http"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"ascii 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
"chrono 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
"chunked_transfer 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"encoding 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
"url 0.2.38 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "url"
version = "0.2.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
"uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "url"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
"uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "uuid"
version = "0.1.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"rand 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "vergen"
version = "0.0.16"

View file

@ -18,16 +18,21 @@ path = "protocol"
[dependencies]
bit-set = "~0.2.0"
byteorder = "~0.4.2"
dns-sd = "~0.1.0"
eventual = "~0.1.5"
getopts = "~0.2.14"
json_macros = "~0.2.6"
lazy_static = "~0.1.15"
num = "~0.1.29"
protobuf = "~1.0.9"
protobuf = "~1.0.10"
rand = "~0.3.12"
rpassword = "~0.1.0"
rust-crypto = "~0.2.34"
rustc-serialize = "~0.3.16"
time = "~0.1.34"
tiny_http = "~0.5.1"
tempfile = "~1.1.3"
url = "~0.5.2"
vorbis = "~0.0.13"
[dependencies.protobuf_macros]

View file

@ -6,5 +6,5 @@ build = "build.rs"
[dependencies]
mod_path = "~0.1.6"
protobuf = "~1.0.4"
protobuf = "~1.0.10"

149
src/authentication.rs Normal file
View file

@ -0,0 +1,149 @@
use byteorder::{BigEndian, ByteOrder};
use crypto;
use crypto::aes;
use crypto::pbkdf2::pbkdf2;
use crypto::sha1::Sha1;
use crypto::hmac::Hmac;
use crypto::digest::Digest;
use protobuf::{self, Message, ProtobufEnum};
use std::io::{self, Read};
use std::result::Result;
use rustc_serialize::base64::FromBase64;
use librespot_protocol as protocol;
use librespot_protocol::authentication::AuthenticationType;
use session::Session;
use util;
fn read_u8<R: Read>(stream: &mut R) -> io::Result<u8> {
let mut data = [0u8];
try!(stream.read_exact(&mut data));
Ok(data[0])
}
fn read_int<R: Read>(stream: &mut R) -> io::Result<u32> {
let lo = try!(read_u8(stream)) as u32;
if lo & 0x80 == 0 {
return Ok(lo)
}
let hi = try!(read_u8(stream)) as u32;
Ok(lo & 0x7f | hi << 7)
}
fn read_bytes<R: Read>(stream: &mut R) -> io::Result<Vec<u8>> {
let length = try!(read_int(stream));
let mut data = vec![0u8; length as usize];
try!(stream.read_exact(&mut data));
Ok(data)
}
impl Session {
fn login(&self, username: String, auth_data: Vec<u8>, typ: AuthenticationType) -> Result<(), ()> {
let packet = protobuf_init!(protocol::authentication::ClientResponseEncrypted::new(), {
login_credentials => {
username: username,
typ: typ,
auth_data: auth_data,
},
system_info => {
cpu_family: protocol::authentication::CpuFamily::CPU_UNKNOWN,
os: protocol::authentication::Os::OS_UNKNOWN,
system_information_string: "librespot".to_owned(),
device_id: self.0.data.read().unwrap().device_id.clone()
},
version_string: util::version::version_string(),
appkey => {
version: self.0.config.application_key[0] as u32,
devkey: self.0.config.application_key[0x1..0x81].to_vec(),
signature: self.0.config.application_key[0x81..0x141].to_vec(),
useragent: self.0.config.user_agent.clone(),
callback_hash: vec![0; 20],
}
});
self.connect();
self.send_packet(0xab, &packet.write_to_bytes().unwrap()).unwrap();
let (cmd, data) = self.recv();
match cmd {
0xac => {
let welcome_data : protocol::authentication::APWelcome =
protobuf::parse_from_bytes(&data).unwrap();
self.0.data.write().unwrap().canonical_username =
welcome_data.get_canonical_username().to_string();
eprintln!("Authenticated !");
Ok(())
}
0xad => {
let msg : protocol::keyexchange::APLoginFailed =
protobuf::parse_from_bytes(&data).unwrap();
eprintln!("Authentication failed, {:?}", msg);
Err(())
}
_ => {
println!("Unexpected message {:x}", cmd);
Err(())
}
}
}
pub fn login_password(&self, username: String, password: String) -> Result<(), ()> {
self.login(username, password.into_bytes(),
AuthenticationType::AUTHENTICATION_USER_PASS)
}
pub fn login_blob(&self, username: String, blob: &str) -> Result<(), ()> {
let blob = blob.from_base64().unwrap();
let secret = {
let mut data = [0u8; 20];
let mut h = crypto::sha1::Sha1::new();
h.input(&self.0.data.read().unwrap().device_id.as_bytes());
h.result(&mut data);
data
};
let key = {
let mut data = [0u8; 24];
let mut mac = Hmac::new(Sha1::new(), &secret);
pbkdf2(&mut mac, username.as_bytes(), 0x100, &mut data[0..20]);
let mut hash = Sha1::new();
hash.input(&data[0..20]);
hash.result(&mut data[0..20]);
BigEndian::write_u32(&mut data[20..], 20);
data
};
let blob = {
// Anyone know what this block mode is ?
let mut data = vec![0u8; blob.len()];
let mut cipher = aes::ecb_decryptor(
aes::KeySize::KeySize192, &key, crypto::blockmodes::NoPadding);
cipher.decrypt(&mut crypto::buffer::RefReadBuffer::new(&blob),
&mut crypto::buffer::RefWriteBuffer::new(&mut data),
true).unwrap();
let l = blob.len();
for i in 0..l-0x10 {
data[l - i - 1] ^= data[l - i - 0x11];
}
data
};
let mut cursor = io::Cursor::new(&blob);
read_u8(&mut cursor).unwrap();
read_bytes(&mut cursor).unwrap();
read_u8(&mut cursor).unwrap();
let auth_type = read_int(&mut cursor).unwrap();
let auth_type = AuthenticationType::from_i32(auth_type as i32).unwrap();
read_u8(&mut cursor).unwrap();
let auth_data = read_bytes(&mut cursor).unwrap();;
self.login(username, auth_data, auth_type)
}
}

View file

@ -6,8 +6,6 @@ use std::io::{Read, Write};
use std::net::TcpStream;
use std::result;
use keys::SharedKeys;
#[derive(Debug)]
pub enum Error {
IoError(io::Error),
@ -74,14 +72,18 @@ impl PlainConnection {
Ok(buffer)
}
pub fn setup_cipher(self, keys: SharedKeys) -> CipherConnection {
CipherConnection{
stream: ShannonStream::new(self.stream, &keys.send_key(), &keys.recv_key())
}
pub fn into_stream(self) -> TcpStream {
self.stream
}
}
impl CipherConnection {
pub fn new(stream: TcpStream, recv_key: &[u8], send_key: &[u8]) -> CipherConnection {
CipherConnection {
stream: ShannonStream::new(stream, recv_key, send_key)
}
}
pub fn send_packet(&mut self, cmd: u8, data: &[u8]) -> Result<()> {
try!(self.stream.write_u8(cmd)); try!(self.stream.write_u16::<BigEndian>(data.len() as u16));
try!(self.stream.write(data));
@ -109,11 +111,3 @@ pub trait PacketHandler {
fn handle(&mut self, cmd: u8, data: Vec<u8>);
}
/*
match packet.cmd {
0x09 => &self.dispatch.stream,
0xd | 0xe => &self.dispatch.audio_key,
0xb2...0xb6 => &self.dispatch.mercury,
_ => &self.dispatch.main,
}.send(packet).unwrap();
*/

51
src/diffie_hellman.rs Normal file
View file

@ -0,0 +1,51 @@
use num::{BigUint, FromPrimitive};
use rand::Rng;
use util;
lazy_static! {
pub static ref DH_GENERATOR: BigUint = BigUint::from_u64(0x2).unwrap();
pub static ref DH_PRIME: BigUint = BigUint::from_bytes_be(&[
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc9,
0x0f, 0xda, 0xa2, 0x21, 0x68, 0xc2, 0x34, 0xc4, 0xc6,
0x62, 0x8b, 0x80, 0xdc, 0x1c, 0xd1, 0x29, 0x02, 0x4e,
0x08, 0x8a, 0x67, 0xcc, 0x74, 0x02, 0x0b, 0xbe, 0xa6,
0x3b, 0x13, 0x9b, 0x22, 0x51, 0x4a, 0x08, 0x79, 0x8e,
0x34, 0x04, 0xdd, 0xef, 0x95, 0x19, 0xb3, 0xcd, 0x3a,
0x43, 0x1b, 0x30, 0x2b, 0x0a, 0x6d, 0xf2, 0x5f, 0x14,
0x37, 0x4f, 0xe1, 0x35, 0x6d, 0x6d, 0x51, 0xc2, 0x45,
0xe4, 0x85, 0xb5, 0x76, 0x62, 0x5e, 0x7e, 0xc6, 0xf4,
0x4c, 0x42, 0xe9, 0xa6, 0x3a, 0x36, 0x20, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff ]);
}
pub struct DHLocalKeys {
private_key: BigUint,
public_key: BigUint,
}
impl DHLocalKeys {
pub fn random<R: Rng>(rng: &mut R) -> DHLocalKeys {
let key_data = util::rand_vec(rng, 95);
let private_key = BigUint::from_bytes_be(&key_data);
let public_key = util::powm(&DH_GENERATOR, &private_key, &DH_PRIME);
DHLocalKeys {
private_key: private_key,
public_key: public_key,
}
}
pub fn public_key(&self) -> Vec<u8> {
return self.public_key.to_bytes_be();
}
pub fn shared_secret(&self, remote_key: &[u8]) -> Vec<u8> {
let shared_key = util::powm(&BigUint::from_bytes_be(remote_key),
&self.private_key,
&DH_PRIME);
shared_key.to_bytes_be()
}
}

154
src/discovery.rs Normal file
View file

@ -0,0 +1,154 @@
use crypto;
use crypto::mac::Mac;
use crypto::digest::Digest;
use dns_sd::DNSService;
use tiny_http::{Method, Response, ResponseBox, Server};
use num::BigUint;
use url;
use rand;
use rustc_serialize::base64::{self, ToBase64, FromBase64};
use session::Session;
use diffie_hellman::{DH_GENERATOR, DH_PRIME};
use util;
pub struct DiscoveryManager {
session: Session,
private_key: BigUint,
public_key: BigUint
}
fn not_found() -> ResponseBox {
Response::from_string("Not found").with_status_code(404).boxed()
}
impl DiscoveryManager {
pub fn new(session: Session) -> DiscoveryManager {
let key_data = util::rand_vec(&mut rand::thread_rng(), 95);
let private_key = BigUint::from_bytes_be(&key_data);
let public_key = util::powm(&DH_GENERATOR, &private_key, &DH_PRIME);
DiscoveryManager {
session: session,
private_key: private_key,
public_key: public_key,
}
}
fn get_info(&self) -> ResponseBox {
let public_key = self.public_key.to_bytes_be().to_base64(base64::STANDARD);
Response::from_string(json!({
"status": 101,
"statusString": "ERROR-OK",
"spotifyError": 0,
"version": "2.1.0",
"deviceID": (self.session.0.data.read().unwrap().device_id),
"remoteName": (self.session.0.config.device_name),
"activeUser": "",
"publicKey": (public_key),
"deviceType": "UNKNOWN",
"libraryVersion": "0.1.0",
"accountReq": "PREMIUM",
"brandDisplayName": "librespot",
"modelDisplayName": "librespot",
}).to_string()).boxed()
}
fn add_user(&self, params: &[(String, String)]) -> ResponseBox {
let &(_, ref username) = params.iter().find(|& &(ref key, _)| key == "userName").unwrap();
let &(_, ref encrypted_blob) = params.iter().find(|& &(ref key, _)| key == "blob").unwrap();
let &(_, ref client_key) = params.iter().find(|& &(ref key, _)| key == "clientKey").unwrap();
let encrypted_blob = encrypted_blob.from_base64().unwrap();
let client_key = client_key.from_base64().unwrap();
let client_key = BigUint::from_bytes_be(&client_key);
let shared_key = util::powm(&client_key, &self.private_key, &DH_PRIME);
let iv = &encrypted_blob[0..16];
let encrypted = &encrypted_blob[16..encrypted_blob.len()-20];
let cksum = &encrypted_blob[encrypted_blob.len()-20..encrypted_blob.len()];
let base_key = {
let mut data = [0u8; 20];
let mut h = crypto::sha1::Sha1::new();
h.input(&shared_key.to_bytes_be());
h.result(&mut data);
data[..16].to_owned()
};
let checksum_key = {
let mut h = crypto::hmac::Hmac::new(crypto::sha1::Sha1::new(), &base_key);
h.input("checksum".as_bytes());
h.result().code().to_owned()
};
let encryption_key = {
let mut h = crypto::hmac::Hmac::new(crypto::sha1::Sha1::new(), &base_key);
h.input("encryption".as_bytes());
h.result().code().to_owned()
};
let mac = {
let mut h = crypto::hmac::Hmac::new(crypto::sha1::Sha1::new(), &checksum_key);
h.input(encrypted);
h.result().code().to_owned()
};
assert_eq!(mac.as_slice(), cksum);
let decrypted = {
let mut data = vec![0u8; encrypted.len()];
let mut cipher = crypto::aes::ctr(crypto::aes::KeySize::KeySize128, &encryption_key, &iv);
cipher.process(&encrypted, &mut data);
String::from_utf8(data).unwrap()
};
self.session.login_blob(username.to_owned(), &decrypted).unwrap();
Response::from_string(json!({
"status": 101,
"spotifyError": 0,
"statusString": "ERROR-OK"
}).to_string()).boxed()
}
pub fn run(&mut self) {
let server = Server::http("0.0.0.0:8000").unwrap();
let svc = DNSService::register(Some(&self.session.0.config.device_name),
"_spotify-connect._tcp",
None,
None,
8000,
&["VERSION=1.0", "CPath=/"]
).unwrap();
for mut request in server.incoming_requests() {
let (_, query, _) = url::parse_path(request.url()).unwrap();
let mut params = query.map(|q| url::form_urlencoded::parse(q.as_bytes())).unwrap_or(Vec::new());
if *request.method() == Method::Post {
let mut body = Vec::new();
request.as_reader().read_to_end(&mut body).unwrap();
let form = url::form_urlencoded::parse(&body);
params.extend(form);
}
println!("{:?}", params);
let &(_, ref action) = params.iter().find(|& &(ref key, _)| key == "action").unwrap();
match action.as_ref() {
"getInfo" => request.respond(self.get_info()).unwrap(),
"addUser" => {
request.respond(self.add_user(&params)).unwrap();
break;
}
_ => request.respond(not_found()).unwrap(),
};
}
drop(svc);
}
}

View file

@ -1,103 +0,0 @@
use crypto;
use crypto::mac::Mac;
use num::{BigUint, FromPrimitive};
use rand;
use std::io::Write;
use util;
lazy_static! {
static ref DH_GENERATOR: BigUint = BigUint::from_u64(0x2).unwrap();
static ref DH_PRIME: BigUint = BigUint::from_bytes_be(&[
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc9,
0x0f, 0xda, 0xa2, 0x21, 0x68, 0xc2, 0x34, 0xc4, 0xc6,
0x62, 0x8b, 0x80, 0xdc, 0x1c, 0xd1, 0x29, 0x02, 0x4e,
0x08, 0x8a, 0x67, 0xcc, 0x74, 0x02, 0x0b, 0xbe, 0xa6,
0x3b, 0x13, 0x9b, 0x22, 0x51, 0x4a, 0x08, 0x79, 0x8e,
0x34, 0x04, 0xdd, 0xef, 0x95, 0x19, 0xb3, 0xcd, 0x3a,
0x43, 0x1b, 0x30, 0x2b, 0x0a, 0x6d, 0xf2, 0x5f, 0x14,
0x37, 0x4f, 0xe1, 0x35, 0x6d, 0x6d, 0x51, 0xc2, 0x45,
0xe4, 0x85, 0xb5, 0x76, 0x62, 0x5e, 0x7e, 0xc6, 0xf4,
0x4c, 0x42, 0xe9, 0xa6, 0x3a, 0x36, 0x20, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff ]);
}
pub struct PrivateKeys {
private_key: BigUint,
public_key: BigUint,
}
pub struct SharedKeys {
//private: PrivateKeys,
challenge: Vec<u8>,
send_key: Vec<u8>,
recv_key: Vec<u8>
}
impl PrivateKeys {
pub fn new() -> PrivateKeys {
let key_data = util::rand_vec(&mut rand::thread_rng(), 95);
Self::new_with_key(&key_data)
}
pub fn new_with_key(key_data: &[u8]) -> PrivateKeys {
let private_key = BigUint::from_bytes_be(key_data);
let public_key = util::powm(&DH_GENERATOR, &private_key, &DH_PRIME);
PrivateKeys {
private_key: private_key,
public_key: public_key,
}
}
/*
pub fn private_key(&self) -> Vec<u8> {
return self.private_key.to_bytes_be();
}
*/
pub fn public_key(&self) -> Vec<u8> {
return self.public_key.to_bytes_be();
}
pub fn add_remote_key(self, remote_key: &[u8], client_packet: &[u8], server_packet: &[u8]) -> SharedKeys {
let shared_key = util::powm(&BigUint::from_bytes_be(remote_key), &self.private_key, &DH_PRIME);
let mut data = Vec::with_capacity(0x64);
let mut mac = crypto::hmac::Hmac::new(crypto::sha1::Sha1::new(), &shared_key.to_bytes_be());
for i in 1..6 {
mac.input(client_packet);
mac.input(server_packet);
mac.input(&[i]);
data.write(&mac.result().code()).unwrap();
mac.reset();
}
mac = crypto::hmac::Hmac::new(crypto::sha1::Sha1::new(), &data[..0x14]);
mac.input(client_packet);
mac.input(server_packet);
SharedKeys {
//private: self,
challenge: mac.result().code().to_vec(),
send_key: data[0x14..0x34].to_vec(),
recv_key: data[0x34..0x54].to_vec(),
}
}
}
impl SharedKeys {
pub fn challenge(&self) -> &[u8] {
&self.challenge
}
pub fn send_key(&self) -> &[u8] {
&self.send_key
}
pub fn recv_key(&self) -> &[u8] {
&self.recv_key
}
}

View file

@ -1,35 +1,42 @@
#![crate_name = "librespot"]
#![feature(plugin,zero_one,iter_arith,mpsc_select,clone_from_slice)]
#![feature(plugin,zero_one,iter_arith,mpsc_select,clone_from_slice,convert)]
#![plugin(protobuf_macros)]
#![plugin(json_macros)]
#[macro_use] extern crate lazy_static;
extern crate bit_set;
extern crate byteorder;
extern crate crypto;
extern crate dns_sd;
extern crate eventual;
extern crate num;
extern crate portaudio;
extern crate protobuf;
extern crate shannon;
extern crate rand;
extern crate rustc_serialize;
extern crate time;
extern crate tiny_http;
extern crate tempfile;
extern crate url;
extern crate vorbis;
extern crate librespot_protocol;
#[macro_use] pub mod util;
pub mod audio_decrypt;
pub mod audio_file;
pub mod audio_key;
pub mod connection;
pub mod keys;
mod audio_decrypt;
mod audio_file;
mod audio_key;
mod authentication;
mod connection;
mod diffie_hellman;
pub mod discovery;
pub mod mercury;
pub mod metadata;
pub mod player;
pub mod session;
pub mod spirc;
pub mod stream;
mod stream;

View file

@ -2,20 +2,19 @@ extern crate getopts;
extern crate librespot;
extern crate rpassword;
use getopts::Options;
use rpassword::read_password;
use std::clone::Clone;
use std::fs::File;
use std::io::{stdout, Read, Write};
use std::path::Path;
use std::path::{Path, PathBuf};
use std::thread;
use std::path::PathBuf;
use getopts::Options;
use rpassword::read_password;
use librespot::session::{Config, Session};
use librespot::util::version::version_string;
use librespot::discovery::DiscoveryManager;
use librespot::player::Player;
use librespot::session::{Config, Session};
use librespot::spirc::SpircManager;
use librespot::util::version::version_string;
fn usage(program: &str, opts: &Options) -> String {
let brief = format!("Usage: {} [options]", program);
@ -40,9 +39,16 @@ fn main() {
}
};
let mut appkey_file = File::open(
Path::new(&*matches.opt_str("a").unwrap())
).expect("Could not open app key.");
let appkey = {
let mut file = File::open(
Path::new(&*matches.opt_str("a").unwrap())
).expect("Could not open app key.");
let mut data = Vec::new();
file.read_to_end(&mut data).unwrap();
data
};
let username = matches.opt_str("u").unwrap();
let cache_location = matches.opt_str("c").unwrap();
@ -54,30 +60,26 @@ fn main() {
read_password().unwrap()
});
let mut appkey = Vec::new();
appkey_file.read_to_end(&mut appkey).unwrap();
let config = Config {
application_key: appkey,
user_agent: version_string(),
device_id: name.clone(),
device_name: name,
cache_location: PathBuf::from(cache_location)
};
let session = Session::new(config);
session.login(username.clone(), password);
session.poll();
//session.login_password(username, password).unwrap();
let mut discovery = DiscoveryManager::new(session.clone());
discovery.run();
let _session = session.clone();
let player = Player::new(session.clone());
let mut spirc = SpircManager::new(session.clone(), player);
thread::spawn(move || {
loop {
_session.poll();
}
spirc.run()
});
let player = Player::new(&session);
let mut spirc_manager = SpircManager::new(&session, player, name);
spirc_manager.run();
loop {
session.poll();
}
}

View file

@ -40,7 +40,7 @@ enum PlayerCommand {
}
impl Player {
pub fn new(session: &Session) -> Player {
pub fn new(session: Session) -> Player {
let (cmd_tx, cmd_rx) = mpsc::channel();
let state = Arc::new((Mutex::new(PlayerState {
@ -52,7 +52,7 @@ impl Player {
}), Condvar::new()));
let internal = PlayerInternal {
session: session.clone(),
session: session,
commands: cmd_rx,
state: state.clone()
};
@ -85,7 +85,8 @@ impl PlayerInternal {
let mut decoder = None;
loop {
let cmd = if self.state.0.lock().unwrap().status == PlayStatus::kPlayStatusPlay {
let playing = self.state.0.lock().unwrap().status == PlayStatus::kPlayStatusPlay;
let cmd = if playing {
self.commands.try_recv().ok()
} else {
Some(self.commands.recv().unwrap())
@ -98,7 +99,11 @@ impl PlayerInternal {
stream.stop().unwrap();
}
state.end_of_track = false;
state.status = PlayStatus::kPlayStatusLoading;
state.status = if play {
PlayStatus::kPlayStatusPlay
} else {
PlayStatus::kPlayStatusPause
};
state.position_ms = position;
state.position_measured_at = util::now_ms();
return true;

View file

@ -1,35 +1,38 @@
use crypto::digest::Digest;
use crypto::mac::Mac;
use crypto::sha1::Sha1;
use crypto::hmac::Hmac;
use eventual::Future;
use protobuf::{self, Message};
use rand::thread_rng;
use std::sync::{Mutex, RwLock, Arc, mpsc};
use std::io::Write;
use std::path::PathBuf;
use std::sync::{Mutex, RwLock, Arc, mpsc};
use audio_key::{AudioKeyManager, AudioKey, AudioKeyError};
use audio_file::{AudioFileManager, AudioFile};
use connection::{self, PlainConnection, CipherConnection};
use keys::PrivateKeys;
use connection::PacketHandler;
use diffie_hellman::DHLocalKeys;
use librespot_protocol as protocol;
use util::{SpotifyId, FileId, mkdir_existing};
use mercury::{MercuryManager, MercuryRequest, MercuryResponse};
use metadata::{MetadataManager, MetadataRef, MetadataTrait};
use stream::{StreamManager, StreamEvent};
use audio_key::{AudioKeyManager, AudioKey, AudioKeyError};
use audio_file::{AudioFileManager, AudioFile};
use connection::PacketHandler;
use util::{SpotifyId, FileId, mkdir_existing};
use util;
pub struct Config {
pub application_key: Vec<u8>,
pub user_agent: String,
pub device_id: String,
pub device_name: String,
pub cache_location: PathBuf,
}
pub struct SessionData {
pub country: String,
pub canonical_username: String,
pub device_id: String,
}
pub struct SessionInternal {
@ -41,24 +44,45 @@ pub struct SessionInternal {
stream: Mutex<StreamManager>,
audio_key: Mutex<AudioKeyManager>,
audio_file: Mutex<AudioFileManager>,
rx_connection: Mutex<CipherConnection>,
tx_connection: Mutex<CipherConnection>,
rx_connection: Mutex<Option<CipherConnection>>,
tx_connection: Mutex<Option<CipherConnection>>,
}
#[derive(Clone)]
pub struct Session(pub Arc<SessionInternal>);
impl Session {
pub fn new(mut config: Config) -> Session {
config.device_id = {
pub fn new(config: Config) -> Session {
mkdir_existing(&config.cache_location).unwrap();
let device_id = {
let mut h = Sha1::new();
h.input_str(&config.device_id);
h.input_str(&config.device_name);
h.result_str()
};
mkdir_existing(&config.cache_location).unwrap();
Session(Arc::new(SessionInternal {
config: config,
data: RwLock::new(SessionData {
country: String::new(),
canonical_username: String::new(),
device_id: device_id,
}),
rx_connection: Mutex::new(None),
tx_connection: Mutex::new(None),
mercury: Mutex::new(MercuryManager::new()),
metadata: Mutex::new(MetadataManager::new()),
stream: Mutex::new(StreamManager::new()),
audio_key: Mutex::new(AudioKeyManager::new()),
audio_file: Mutex::new(AudioFileManager::new()),
}))
}
pub fn connect(&self) {
let local_keys = DHLocalKeys::random(&mut thread_rng());
let keys = PrivateKeys::new();
let mut connection = PlainConnection::connect().unwrap();
let request = protobuf_init!(protocol::keyexchange::ClientHello::new(), {
@ -82,7 +106,7 @@ impl Session {
],
*/
login_crypto_hello.diffie_hellman => {
gc: keys.public_key(),
gc: local_keys.public_key(),
server_keys_known: 1,
},
client_nonce: util::rand_vec(&mut thread_rng(), 0x10),
@ -100,75 +124,55 @@ impl Session {
let response : protocol::keyexchange::APResponseMessage =
protobuf::parse_from_bytes(&init_server_packet[4..]).unwrap();
protobuf_bind!(response, {
challenge => {
login_crypto_challenge.diffie_hellman => {
gs: remote_key,
}
}
});
let remote_key = response.get_challenge()
.get_login_crypto_challenge()
.get_diffie_hellman()
.get_gs();
let shared_keys = keys.add_remote_key(remote_key, &init_client_packet, &init_server_packet);
let shared_secret = local_keys.shared_secret(remote_key);
let (challenge, send_key, recv_key) = {
let mut data = Vec::with_capacity(0x64);
let mut mac = Hmac::new(Sha1::new(), &shared_secret);
for i in 1..6 {
mac.input(&init_client_packet);
mac.input(&init_server_packet);
mac.input(&[i]);
data.write(&mac.result().code()).unwrap();
mac.reset();
}
mac = Hmac::new(Sha1::new(), &data[..0x14]);
mac.input(&init_client_packet);
mac.input(&init_server_packet);
(mac.result().code().to_vec(),
data[0x14..0x34].to_vec(),
data[0x34..0x54].to_vec())
};
let packet = protobuf_init!(protocol::keyexchange::ClientResponsePlaintext::new(), {
login_crypto_response.diffie_hellman => {
hmac: shared_keys.challenge().to_vec()
hmac: challenge
},
pow_response => {},
crypto_response => {},
});
connection.send_packet(&packet.write_to_bytes().unwrap()).unwrap();
let cipher_connection = connection.setup_cipher(shared_keys);
let cipher_connection = CipherConnection::new(
connection.into_stream(),
&send_key,
&recv_key);
Session(Arc::new(SessionInternal {
config: config,
data: RwLock::new(SessionData {
country: String::new(),
canonical_username: String::new(),
}),
rx_connection: Mutex::new(cipher_connection.clone()),
tx_connection: Mutex::new(cipher_connection),
mercury: Mutex::new(MercuryManager::new()),
metadata: Mutex::new(MetadataManager::new()),
stream: Mutex::new(StreamManager::new()),
audio_key: Mutex::new(AudioKeyManager::new()),
audio_file: Mutex::new(AudioFileManager::new()),
}))
}
pub fn login(&self, username: String, password: String) {
let packet = protobuf_init!(protocol::authentication::ClientResponseEncrypted::new(), {
login_credentials => {
username: username,
typ: protocol::authentication::AuthenticationType::AUTHENTICATION_USER_PASS,
auth_data: password.into_bytes(),
},
system_info => {
cpu_family: protocol::authentication::CpuFamily::CPU_UNKNOWN,
os: protocol::authentication::Os::OS_UNKNOWN,
system_information_string: "librespot".to_owned(),
device_id: self.0.config.device_id.clone()
},
version_string: util::version::version_string(),
appkey => {
version: self.0.config.application_key[0] as u32,
devkey: self.0.config.application_key[0x1..0x81].to_vec(),
signature: self.0.config.application_key[0x81..0x141].to_vec(),
useragent: self.0.config.user_agent.clone(),
callback_hash: vec![0; 20],
}
});
self.send_packet(0xab, &packet.write_to_bytes().unwrap()).unwrap();
*self.0.rx_connection.lock().unwrap() = Some(cipher_connection.clone());
*self.0.tx_connection.lock().unwrap() = Some(cipher_connection);
}
pub fn poll(&self) {
let (cmd, data) =
self.0.rx_connection.lock().unwrap().recv_packet().unwrap();
let (cmd, data) = self.recv();
match cmd {
0x4 => self.send_packet(0x49, &data).unwrap(),
@ -179,23 +183,17 @@ impl Session {
self.0.data.write().unwrap().country =
String::from_utf8(data).unwrap();
},
0xb2...0xb6 => self.0.mercury.lock().unwrap().handle(cmd, data),
0xac => {
let welcome_data : protocol::authentication::APWelcome =
protobuf::parse_from_bytes(&data).unwrap();
self.0.data.write().unwrap().canonical_username =
welcome_data.get_canonical_username().to_string();
eprintln!("Authentication succeeded")
},
0xad => eprintln!("Authentication failed"),
_ => ()
}
}
pub fn recv(&self) -> (u8, Vec<u8>) {
self.0.rx_connection.lock().unwrap().as_mut().unwrap().recv_packet().unwrap()
}
pub fn send_packet(&self, cmd: u8, data: &[u8]) -> connection::Result<()> {
self.0.tx_connection.lock().unwrap().send_packet(cmd, data)
self.0.tx_connection.lock().unwrap().as_mut().unwrap().send_packet(cmd, data)
}
pub fn audio_key(&self, track: SpotifyId, file: FileId) -> Future<AudioKey, AudioKeyError> {

View file

@ -11,9 +11,9 @@ use mercury::{MercuryRequest, MercuryMethod};
use librespot_protocol as protocol;
pub use librespot_protocol::spirc::PlayStatus;
pub struct SpircManager<'s, D: SpircDelegate> {
pub struct SpircManager<D: SpircDelegate> {
delegate: D,
session: &'s Session,
session: Session,
state_update_id: i64,
seq_nr: u32,
@ -58,18 +58,22 @@ pub trait SpircState {
fn end_of_track(&self) -> bool;
}
impl <'s, D: SpircDelegate> SpircManager<'s, D> {
pub fn new(session: &'s Session, delegate: D,
name: String) -> SpircManager<'s, D> {
impl <D: SpircDelegate> SpircManager<D> {
pub fn new(session: Session, delegate: D)
-> SpircManager<D> {
let ident = session.0.data.read().unwrap().device_id.clone();
let name = session.0.config.device_name.clone();
SpircManager {
delegate: delegate,
session: &session,
session: session,
state_update_id: 0,
seq_nr: 0,
name: name,
ident: session.0.config.device_id.clone(),
ident: ident,
device_type: 5,
can_play: true,
@ -93,6 +97,8 @@ impl <'s, D: SpircDelegate> SpircManager<'s, D> {
self.session.0.data.read().unwrap().canonical_username.clone()));
let updates = self.delegate.updates();
self.notify(true, None);
loop {
select! {
pkt = rx.recv() => {
@ -119,7 +125,7 @@ impl <'s, D: SpircDelegate> SpircManager<'s, D> {
self.delegate.load(track, true, 0);
} else {
self.state_update_id = update_time.unwrap();
self.notify(None);
self.notify(false, None);
}
}
}
@ -133,7 +139,7 @@ impl <'s, D: SpircDelegate> SpircManager<'s, D> {
}
match frame.get_typ() {
protocol::spirc::MessageType::kMessageTypeHello => {
self.notify(Some(frame.get_ident()));
self.notify(false, Some(frame.get_ident()));
}
protocol::spirc::MessageType::kMessageTypeLoad => {
if !self.is_active {
@ -171,13 +177,18 @@ impl <'s, D: SpircDelegate> SpircManager<'s, D> {
}
}
fn notify(&mut self, recipient: Option<&str>) {
fn notify(&mut self, hello: bool, recipient: Option<&str>) {
let mut pkt = protobuf_init!(protocol::spirc::Frame::new(), {
version: 1,
ident: self.ident.clone(),
protocol_version: "2.0.0".to_owned(),
seq_nr: { self.seq_nr += 1; self.seq_nr },
typ: protocol::spirc::MessageType::kMessageTypeNotify,
typ: if hello {
protocol::spirc::MessageType::kMessageTypeHello
} else {
protocol::spirc::MessageType::kMessageTypeNotify
},
device_state: self.device_state(),
recipient: protobuf::RepeatedField::from_vec(
recipient.map(|r| vec![r.to_owned()] ).unwrap_or(vec![])