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Rebuilding the whole world!

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modified:   Cargo.toml
	new file:   LICENSE.md
	renamed:    Cargo.lock -> frida_core/Cargo.lock
	new file:   frida_core/Cargo.toml
	renamed:    build.rs -> frida_core/build.rs
	renamed:    icons/off.ico -> frida_core/icons/off.ico
	renamed:    icons/on.ico -> frida_core/icons/on.ico
	renamed:    src/android.rs -> frida_core/src/android.rs
	renamed:    src/client.rs -> frida_core/src/client.rs
	renamed:    src/config/mod.rs -> frida_core/src/config/mod.rs
	renamed:    src/gui/mod.rs -> frida_core/src/gui/mod.rs
	renamed:    src/gui/tab/mod.rs -> frida_core/src/gui/tab/mod.rs
	renamed:    src/gui/tab_button.rs -> frida_core/src/gui/tab_button.rs
	renamed:    src/gui/tab_panel.rs -> frida_core/src/gui/tab_panel.rs
	renamed:    src/main.rs -> frida_core/src/main.rs
	renamed:    src/obfs.rs -> frida_core/src/obfs.rs
	renamed:    src/server.rs -> frida_core/src/server.rs
	renamed:    src/udp.rs -> frida_core/src/udp.rs
	renamed:    tray.rc -> frida_core/tray.rc
This commit is contained in:
Michael Wain 2024-12-08 01:44:13 +03:00
parent a6209753cd
commit 52b7373fe3
19 changed files with 1529 additions and 858 deletions
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Cargo.toml
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[workspace]
members = ["frida_core","frida_client","frida_server","frida_cli","frida_gui","frida_lib"]
[package] [package]
name = "frida_vpn" name = "frida_vpn"
version = "0.1.7" version = "0.2.0"
edition = "2021" edition = "2021"
license = "Apache-2.0" license-file = "LICENSE.md"
authors = ["alterdekim"] authors = ["alterwain"]
keywords = ["tun", "network", "tunnel", "vpn"] keywords = ["tun", "network", "tunnel", "vpn"]
categories = ["network-programming", "asynchronous"] categories = ["network-programming", "asynchronous"]
readme = "README.md" readme = "README.md"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[lib]
crate-type = ["cdylib"]
path = "src/android.rs"
[[bin]]
name = "frida-cli"
path = "src/main.rs"
[[bin]]
name = "frida-gui"
path = "src/gui/mod.rs"
[dependencies]
clap = "2.33"
aes-gcm = "0.10.3"
tokio = { version = "1", features = ["full", "signal", "tracing"] }
tokio-util = "0.7.12"
serde = "1.0"
serde_derive = "1.0.190"
rand = { version = "0.8.5", features = ["small_rng", "getrandom", "std_rng"] }
block-modes = "0.8"
block-padding = "0.2"
generic-array = "0.14"
env_logger = "0.9"
log = "0.4.20"
futures = "0.3.30"
packet = "0.1.4"
async-channel = "2.3.1"
hex = "0.4"
serde_yaml = "0.9.34"
x25519-dalek = { version = "2.0.1", features = ["getrandom", "static_secrets"] }
base64 = "0.22.1"
chrono = "0.4.38"
console-subscriber = "0.4.0"
network-interface = "2.0.0"
tun = { version = "0.7.5", features = ["async"] }
[target.'cfg(target_os="windows")'.dependencies]
iced = { version = "0.13.1", features = ["tokio"] }
dirs = "5.0.1"
tray-item = "0.10.0"
[target.'cfg(target_os="windows")'.build-dependencies]
embed-resource = "2.3"
[target.'cfg(target_os="android")'.dependencies]
jni = "^0.20"
robusta_jni = "0.2.2"
nonblock = "0.2.0"
log4rs = "1.3.0"

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LICENSE.md Normal file
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by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source. For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

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frida_core/Cargo.toml Normal file
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[package]
name = "frida_core"
version.workspace = true
edition.workspace = true
license-file.workspace = true
authors.workspace = true
keywords.workspace = true
categories.workspace = true
readme.workspace = true
[lib]
crate-type = ["cdylib"]
path = "src/android.rs"
[[bin]]
name = "frida-cli"
path = "src/main.rs"
[[bin]]
name = "frida-gui"
path = "src/gui/mod.rs"
[dependencies]
clap = "2.33"
aes-gcm = "0.10.3"
tokio = { version = "1", features = ["full", "signal", "tracing"] }
tokio-util = "0.7.12"
serde = "1.0"
serde_derive = "1.0.190"
rand = { version = "0.8.5", features = ["small_rng", "getrandom", "std_rng"] }
block-modes = "0.8"
block-padding = "0.2"
generic-array = "0.14"
env_logger = "0.9"
log = "0.4.20"
futures = "0.3.30"
packet = "0.1.4"
async-channel = "2.3.1"
hex = "0.4"
serde_yaml = "0.9.34"
x25519-dalek = { version = "2.0.1", features = ["getrandom", "static_secrets"] }
base64 = "0.22.1"
chrono = "0.4.38"
console-subscriber = "0.4.0"
network-interface = "2.0.0"
tun = { version = "0.7.5", features = ["async"] }
[target.'cfg(target_os="windows")'.dependencies]
iced = { version = "0.13.1", features = ["tokio"] }
dirs = "5.0.1"
tray-item = "0.10.0"
[target.'cfg(target_os="windows")'.build-dependencies]
embed-resource = "2.3"
[target.'cfg(target_os="android")'.dependencies]
jni = "^0.20"
robusta_jni = "0.2.2"
nonblock = "0.2.0"
log4rs = "1.3.0"

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pub mod general { pub mod general {
use crate::config::ClientConfiguration; use crate::config::ClientConfiguration;
use async_channel::{Receiver, Sender}; use async_channel::{Receiver, Sender};
use futures::{stream::{SplitSink, SplitStream}, SinkExt, StreamExt}; use futures::{stream::{SplitSink, SplitStream}, SinkExt, StreamExt};
use tokio_util::{codec::Framed, sync::CancellationToken}; use tokio_util::{codec::Framed, sync::CancellationToken};
use tokio::{net::UdpSocket, sync::{Mutex, mpsc}, io::{AsyncWriteExt, AsyncReadExt}, fs::File}; use tokio::{net::UdpSocket, sync::{Mutex, mpsc}, io::{AsyncWriteExt, AsyncReadExt}, fs::File};
use log::{error, info, warn}; use log::{error, info, warn};
use aes_gcm::{ use aes_gcm::{
aead::{Aead, AeadCore, KeyInit, OsRng}, aead::{Aead, AeadCore, KeyInit, OsRng},
Aes256Gcm, Nonce}; Aes256Gcm, Nonce};
use base64::prelude::*; use base64::prelude::*;
use std::{io::{Read, Write}, sync::Arc}; use std::{io::{Read, Write}, sync::Arc};
use std::net::Ipv4Addr; use std::net::Ipv4Addr;
use x25519_dalek::{PublicKey, StaticSecret}; use x25519_dalek::{PublicKey, StaticSecret};
use crate::udp::{UDPVpnPacket, UDPVpnHandshake, UDPSerializable}; use crate::udp::{UDPVpnPacket, UDPVpnHandshake, UDPSerializable};
use tun::{ AsyncDevice, DeviceReader, DeviceWriter, TunPacketCodec }; use tun::{ AsyncDevice, DeviceReader, DeviceWriter, TunPacketCodec };
pub trait ReadWrapper { pub trait ReadWrapper {
async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()>; async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()>;
} }
pub struct DevReader { pub struct DevReader {
pub dr: SplitStream<Framed<AsyncDevice, TunPacketCodec>> pub dr: SplitStream<Framed<AsyncDevice, TunPacketCodec>>
} }
// TODO: implement custom Error // TODO: implement custom Error
impl ReadWrapper for DevReader { impl ReadWrapper for DevReader {
async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()> { async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()> {
if let Some(Ok(tb)) = self.dr.next().await { if let Some(Ok(tb)) = self.dr.next().await {
*buf = tb; *buf = tb;
return Ok(buf.len()); return Ok(buf.len());
} }
Err(()) Err(())
} }
} }
pub struct FdReader { pub struct FdReader {
pub br: File pub br: File
} }
impl ReadWrapper for FdReader { impl ReadWrapper for FdReader {
async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()> { async fn read(&mut self, buf: &mut Vec<u8>) -> Result<usize, ()> {
let r = self.br.read(buf).await; let r = self.br.read(buf).await;
if let Ok(a) = r { if let Ok(a) = r {
return Ok(a); return Ok(a);
} }
Err(()) Err(())
} }
} }
pub trait WriteWrapper { pub trait WriteWrapper {
async fn write(&mut self, msg: WriterMessage) -> Result<usize, String>; async fn write(&mut self, msg: WriterMessage) -> Result<usize, String>;
} }
pub enum WriterMessage { pub enum WriterMessage {
Plain(Vec<u8>), Plain(Vec<u8>),
Gateway(Ipv4Addr) Gateway(Ipv4Addr)
} }
pub struct DevWriter { pub struct DevWriter {
pub dr: SplitSink<Framed<AsyncDevice, TunPacketCodec>, Vec<u8>> pub dr: SplitSink<Framed<AsyncDevice, TunPacketCodec>, Vec<u8>>
} }
// TODO: implement custom Error // TODO: implement custom Error
impl WriteWrapper for DevWriter { impl WriteWrapper for DevWriter {
async fn write(&mut self, msg: WriterMessage) -> Result<usize, String> { async fn write(&mut self, msg: WriterMessage) -> Result<usize, String> {
match msg { match msg {
WriterMessage::Plain(buf) => { WriterMessage::Plain(buf) => {
let l = buf.len(); let l = buf.len();
return match self.dr.send(buf).await { return match self.dr.send(buf).await {
Ok(()) => Ok(l), Ok(()) => Ok(l),
Err(e) => Err(e.to_string()) Err(e) => Err(e.to_string())
}; };
}, },
// this thing should be abolished later // this thing should be abolished later
WriterMessage::Gateway(_addr) => { WriterMessage::Gateway(_addr) => {
Ok(0) Ok(0)
} }
} }
} }
} }
pub struct FdWriter { pub struct FdWriter {
pub br: File pub br: File
} }
impl WriteWrapper for FdWriter { impl WriteWrapper for FdWriter {
async fn write(&mut self, msg: WriterMessage) -> Result<usize, String> { async fn write(&mut self, msg: WriterMessage) -> Result<usize, String> {
match msg { match msg {
WriterMessage::Plain(buf) => { WriterMessage::Plain(buf) => {
if let Ok(a) = self.br.write(&buf).await { if let Ok(a) = self.br.write(&buf).await {
return Ok(a); return Ok(a);
} }
Err(String::new()) Err(String::new())
}, },
WriterMessage::Gateway(_addr) => {Ok(0)} WriterMessage::Gateway(_addr) => {Ok(0)}
} }
} }
} }
pub trait VpnClient { pub trait VpnClient {
async fn start(&self); async fn start(&self);
} }
pub struct CoreVpnClient<T, R> where T: ReadWrapper, R: WriteWrapper { pub struct CoreVpnClient<T, R> where T: ReadWrapper, R: WriteWrapper {
pub client_config: ClientConfiguration, pub client_config: ClientConfiguration,
pub dev_reader: T, pub dev_reader: T,
pub dev_writer: R, pub dev_writer: R,
pub close_token: CancellationToken pub close_token: CancellationToken
} }
impl<T: ReadWrapper + std::marker::Sync, R: WriteWrapper + std::marker::Sync> CoreVpnClient<T, R> { impl<T: ReadWrapper + std::marker::Sync, R: WriteWrapper + std::marker::Sync> CoreVpnClient<T, R> {
pub async fn start(&mut self, sock: UdpSocket) { pub async fn start(&mut self, sock: UdpSocket) {
info!("Starting client..."); info!("Starting client...");
let dr_cancel: CancellationToken = CancellationToken::new(); let dr_cancel: CancellationToken = CancellationToken::new();
let sr_cancel: CancellationToken = CancellationToken::new(); let sr_cancel: CancellationToken = CancellationToken::new();
let sock_rec = Arc::new(sock); let sock_rec = Arc::new(sock);
let sock_snd = sock_rec.clone(); let sock_snd = sock_rec.clone();
let (tx, mut rx) = mpsc::unbounded_channel::<Vec<u8>>(); let (tx, mut rx) = mpsc::unbounded_channel::<Vec<u8>>();
let (dx, mut mx) = mpsc::unbounded_channel::<Vec<u8>>(); let (dx, mut mx) = mpsc::unbounded_channel::<Vec<u8>>();
let cipher_shared: Arc<Mutex<Option<x25519_dalek::SharedSecret>>> = Arc::new(Mutex::new(None)); let cipher_shared: Arc<Mutex<Option<x25519_dalek::SharedSecret>>> = Arc::new(Mutex::new(None));
let priv_key = BASE64_STANDARD.decode(&self.client_config.client.private_key).unwrap(); let priv_key = BASE64_STANDARD.decode(&self.client_config.client.private_key).unwrap();
let cipher_shared_clone = cipher_shared.clone(); let cipher_shared_clone = cipher_shared.clone();
let pkey = BASE64_STANDARD.decode(&self.client_config.client.public_key).unwrap(); let pkey = BASE64_STANDARD.decode(&self.client_config.client.public_key).unwrap();
let handshake = UDPVpnHandshake{ public_key: pkey, request_ip: self.client_config.client.address.parse::<Ipv4Addr>().unwrap() }; let handshake = UDPVpnHandshake{ public_key: pkey, request_ip: self.client_config.client.address.parse::<Ipv4Addr>().unwrap() };
let mut nz = 0; let mut nz = 0;
while nz < 25 { while nz < 25 {
sock_snd.send(&handshake.serialize()).await.unwrap(); sock_snd.send(&handshake.serialize()).await.unwrap();
nz += 1 nz += 1
} }
//sock_snd.send(&handshake.serialize()).await.unwrap(); //sock_snd.send(&handshake.serialize()).await.unwrap();
let s_cipher = cipher_shared.clone(); let s_cipher = cipher_shared.clone();
let _ = self.dev_writer.write(WriterMessage::Plain(handshake.serialize())).await; let _ = self.dev_writer.write(WriterMessage::Plain(handshake.serialize())).await;
let mut buf = vec![0; 1400]; // mtu let mut buf = vec![0; 1400]; // mtu
let mut buf1 = vec![0; 4096]; // should be changed to less bytes let mut buf1 = vec![0; 4096]; // should be changed to less bytes
loop { loop {
tokio::select! { tokio::select! {
_ = self.close_token.cancelled() => { _ = self.close_token.cancelled() => {
info!("Cancellation token has been thrown"); info!("Cancellation token has been thrown");
sr_cancel.cancel(); sr_cancel.cancel();
dr_cancel.cancel(); dr_cancel.cancel();
return; return;
} }
rr = rx.recv() => { rr = rx.recv() => {
if let Some(bytes) = rr { if let Some(bytes) = rr {
info!("Write to tun. len={:?}", bytes.len()); info!("Write to tun. len={:?}", bytes.len());
if let Err(e) = self.dev_writer.write(WriterMessage::Plain(bytes)).await { if let Err(e) = self.dev_writer.write(WriterMessage::Plain(bytes)).await {
error!("Writing error: {:?}", e); error!("Writing error: {:?}", e);
} }
/* if let Err(e) = self.dev_writer.flush().await { /* if let Err(e) = self.dev_writer.flush().await {
error!("Flushing error: {:?}", e); error!("Flushing error: {:?}", e);
}*/ }*/
} }
} }
rr2 = mx.recv() => { rr2 = mx.recv() => {
if let Some(bytes) = rr2 { if let Some(bytes) = rr2 {
let s_c = s_cipher.lock().await; let s_c = s_cipher.lock().await;
if s_c.is_some() { if s_c.is_some() {
let aes = Aes256Gcm::new(s_c.as_ref().unwrap().as_bytes().into()); let aes = Aes256Gcm::new(s_c.as_ref().unwrap().as_bytes().into());
let nonce = Aes256Gcm::generate_nonce(&mut OsRng); let nonce = Aes256Gcm::generate_nonce(&mut OsRng);
let ciphered_data = aes.encrypt(&nonce, &bytes[..]); let ciphered_data = aes.encrypt(&nonce, &bytes[..]);
if let Ok(ciphered_d) = ciphered_data { if let Ok(ciphered_d) = ciphered_data {
let vpn_packet = UDPVpnPacket{ data: ciphered_d, nonce: nonce.to_vec()}; let vpn_packet = UDPVpnPacket{ data: ciphered_d, nonce: nonce.to_vec()};
let serialized_data = vpn_packet.serialize(); let serialized_data = vpn_packet.serialize();
info!("Write to socket"); info!("Write to socket");
sock_snd.send(&serialized_data).await.unwrap(); sock_snd.send(&serialized_data).await.unwrap();
} else { } else {
error!("Socket encryption failed."); error!("Socket encryption failed.");
} }
} else { } else {
error!("There is no shared_secret in main loop"); error!("There is no shared_secret in main loop");
} }
} }
} }
rr = self.dev_reader.read(&mut buf) => { rr = self.dev_reader.read(&mut buf) => {
if let Ok(n) = rr { if let Ok(n) = rr {
info!("Read from tun."); // hex::encode(&buf[..n]) info!("Read from tun."); // hex::encode(&buf[..n])
dx.send(buf[..n].to_vec()).unwrap(); dx.send(buf[..n].to_vec()).unwrap();
} }
} }
rr = sock_rec.recv(&mut buf1) => { rr = sock_rec.recv(&mut buf1) => {
if let Ok(l) = rr { if let Ok(l) = rr {
info!("Read from socket"); info!("Read from socket");
let mut s_cipher = cipher_shared_clone.lock().await; let mut s_cipher = cipher_shared_clone.lock().await;
match buf1.first() { match buf1.first() {
Some(h) => { Some(h) => {
match h { match h {
0 => { 0 => {
let handshake = UDPVpnHandshake::deserialize(&(buf1[..l].to_vec())); let handshake = UDPVpnHandshake::deserialize(&(buf1[..l].to_vec()));
let mut k = [0u8; 32]; let mut k = [0u8; 32];
for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) { for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) {
*p = x; *p = x;
} }
let mut k1 = [0u8; 32]; let mut k1 = [0u8; 32];
for (&x, p) in priv_key.iter().zip(k1.iter_mut()) { for (&x, p) in priv_key.iter().zip(k1.iter_mut()) {
*p = x; *p = x;
} }
*s_cipher = Some(StaticSecret::from(k1) *s_cipher = Some(StaticSecret::from(k1)
.diffie_hellman(&PublicKey::from(k))); .diffie_hellman(&PublicKey::from(k)));
}, // handshake }, // handshake
1 => { 1 => {
let wrapped_packet = UDPVpnPacket::deserialize(&(buf1[..l].to_vec())); let wrapped_packet = UDPVpnPacket::deserialize(&(buf1[..l].to_vec()));
if s_cipher.is_some() { if s_cipher.is_some() {
let aes = Aes256Gcm::new(s_cipher.as_ref().unwrap().as_bytes().into()); let aes = Aes256Gcm::new(s_cipher.as_ref().unwrap().as_bytes().into());
let nonce = Nonce::clone_from_slice(&wrapped_packet.nonce); let nonce = Nonce::clone_from_slice(&wrapped_packet.nonce);
match aes.decrypt(&nonce, &wrapped_packet.data[..]) { match aes.decrypt(&nonce, &wrapped_packet.data[..]) {
Ok(decrypted) => { let _ = tx.send(decrypted); }, Ok(decrypted) => { let _ = tx.send(decrypted); },
Err(error) => { error!("Decryption error! {:?}", error); } Err(error) => { error!("Decryption error! {:?}", error); }
} }
} else { } else {
warn!("There is no static_secret"); warn!("There is no static_secret");
} }
}, // payload }, // payload
2 => { info!("Got keepalive packet"); }, 2 => { info!("Got keepalive packet"); },
_ => { error!("Unexpected header value."); } _ => { error!("Unexpected header value."); }
} }
}, },
None => { error!("There is no header."); } None => { error!("There is no header."); }
} }
drop(s_cipher); drop(s_cipher);
} }
} }
}; };
} }
} }
} }
} }
pub mod android { pub mod android {
#![cfg(target_os = "android")] #![cfg(target_os = "android")]
use crate::client::general::{VpnClient, CoreVpnClient, FdReader, FdWriter}; use crate::client::general::{VpnClient, CoreVpnClient, FdReader, FdWriter};
use crate::config::ClientConfiguration; use crate::config::ClientConfiguration;
use tokio_util::sync::CancellationToken; use tokio_util::sync::CancellationToken;
use std::os::fd::FromRawFd; use std::os::fd::FromRawFd;
use tokio::{net::UdpSocket, sync::{Mutex, mpsc}, io::{BufReader, BufWriter, AsyncWriteExt, AsyncReadExt}, fs::File}; use tokio::{net::UdpSocket, sync::{Mutex, mpsc}, io::{BufReader, BufWriter, AsyncWriteExt, AsyncReadExt}, fs::File};
use log::{error, info, warn}; use log::{error, info, warn};
pub struct AndroidClient { pub struct AndroidClient {
pub client_config: ClientConfiguration, pub client_config: ClientConfiguration,
pub fd: i32, pub fd: i32,
pub close_token: CancellationToken pub close_token: CancellationToken
} }
impl VpnClient for AndroidClient { impl VpnClient for AndroidClient {
async fn start(&self) { async fn start(&self) {
info!("FD: {:?}", &self.fd); info!("FD: {:?}", &self.fd);
let mut dev = unsafe { File::from_raw_fd(self.fd) }; let mut dev = unsafe { File::from_raw_fd(self.fd) };
let mut dev1 = unsafe { File::from_raw_fd(self.fd) }; let mut dev1 = unsafe { File::from_raw_fd(self.fd) };
let mut client = CoreVpnClient{client_config: self.client_config.clone(), dev_reader: FdReader{br: dev}, dev_writer: FdWriter{br: dev1}, close_token: self.close_token.clone()}; let mut client = CoreVpnClient{client_config: self.client_config.clone(), dev_reader: FdReader{br: dev}, dev_writer: FdWriter{br: dev1}, close_token: self.close_token.clone()};
info!("SSS: {:?}", &self.client_config.server.endpoint); info!("SSS: {:?}", &self.client_config.server.endpoint);
let sock = UdpSocket::bind("0.0.0.0:0").await.unwrap(); let sock = UdpSocket::bind("0.0.0.0:0").await.unwrap();
sock.connect(&self.client_config.server.endpoint).await.unwrap(); sock.connect(&self.client_config.server.endpoint).await.unwrap();
client.start(sock).await; client.start(sock).await;
} }
} }
} }
pub mod desktop { pub mod desktop {
use crate::client::general::{CoreVpnClient, DevReader, DevWriter, VpnClient}; use crate::client::general::{CoreVpnClient, DevReader, DevWriter, VpnClient};
use crate::config::ClientConfiguration; use crate::config::ClientConfiguration;
use futures::{SinkExt, StreamExt}; use futures::{SinkExt, StreamExt};
use log::info; use log::info;
use tokio::net::UdpSocket; use tokio::net::UdpSocket;
use tokio::sync::Mutex; use tokio::sync::Mutex;
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
use network_interface::{NetworkInterface, NetworkInterfaceConfig}; use network_interface::{NetworkInterface, NetworkInterfaceConfig};
use tun::{ Configuration, create_as_async }; use tun::{ Configuration, create_as_async };
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
fn configure_routes(endpoint_ip: &str, s_interface: Option<String>) { fn configure_routes(endpoint_ip: &str, s_interface: Option<String>) {
let interfaces = NetworkInterface::show().unwrap(); let interfaces = NetworkInterface::show().unwrap();
let net_inter = interfaces.iter() let net_inter = interfaces.iter()
.filter(|i| !i.addr.iter().any(|b| b.ip().to_string() == "127.0.0.1" || b.ip().to_string() == "::1") ) .filter(|i| !i.addr.iter().any(|b| b.ip().to_string() == "127.0.0.1" || b.ip().to_string() == "::1") )
.min_by(|x, y| x.index.cmp(&y.index)) .min_by(|x, y| x.index.cmp(&y.index))
.unwrap(); .unwrap();
let inter_name = if s_interface.is_some() { s_interface.unwrap() } else { net_inter.name.clone() }; let inter_name = if s_interface.is_some() { s_interface.unwrap() } else { net_inter.name.clone() };
info!("Main network interface: {:?}", inter_name); info!("Main network interface: {:?}", inter_name);
/*let mut ip_output = std::process::Command::new("sudo") /*let mut ip_output = std::process::Command::new("sudo")
.arg("ip") .arg("ip")
.arg("route") .arg("route")
.arg("del") .arg("del")
.arg("default") .arg("default")
.output() .output()
.expect("Failed to delete default gateway."); .expect("Failed to delete default gateway.");
if !ip_output.status.success() { if !ip_output.status.success() {
error!("Failed to delete default gateway: {:?}", String::from_utf8_lossy(&ip_output.stderr)); error!("Failed to delete default gateway: {:?}", String::from_utf8_lossy(&ip_output.stderr));
}*/ }*/
let mut ip_output = std::process::Command::new("sudo") let mut ip_output = std::process::Command::new("sudo")
.arg("ip") .arg("ip")
.arg("-4") .arg("-4")
.arg("route") .arg("route")
.arg("add") .arg("add")
.arg("0.0.0.0/0") .arg("0.0.0.0/0")
.arg("dev") .arg("dev")
.arg("tun0") .arg("tun0")
.output() .output()
.expect("Failed to execute ip route command."); .expect("Failed to execute ip route command.");
if !ip_output.status.success() { if !ip_output.status.success() {
log::error!("Failed to route all traffic: {:?}", String::from_utf8_lossy(&ip_output.stderr)); log::error!("Failed to route all traffic: {:?}", String::from_utf8_lossy(&ip_output.stderr));
} }
// TODO: replace 192.168.0.1 with relative variable // TODO: replace 192.168.0.1 with relative variable
ip_output = std::process::Command::new("sudo") ip_output = std::process::Command::new("sudo")
.arg("ip") .arg("ip")
.arg("route") .arg("route")
.arg("add") .arg("add")
.arg(endpoint_ip.to_owned()+"/32") .arg(endpoint_ip.to_owned()+"/32")
.arg("via") .arg("via")
.arg("192.168.0.1") .arg("192.168.0.1")
.arg("dev") .arg("dev")
.arg(inter_name) .arg(inter_name)
.output() .output()
.expect("Failed to make exception for vpns endpoint."); .expect("Failed to make exception for vpns endpoint.");
if !ip_output.status.success() { if !ip_output.status.success() {
log::error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr)); log::error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr));
} }
} }
pub struct DesktopClient { pub struct DesktopClient {
pub client_config: ClientConfiguration, pub client_config: ClientConfiguration,
pub s_interface: Option<String> pub s_interface: Option<String>
} }
impl VpnClient for DesktopClient { impl VpnClient for DesktopClient {
async fn start(&self) { async fn start(&self) {
info!("s_interface: {:?}", &self.s_interface); info!("s_interface: {:?}", &self.s_interface);
info!("client_address: {:?}", &self.client_config.client.address); info!("client_address: {:?}", &self.client_config.client.address);
let mut config = Configuration::default(); let mut config = Configuration::default();
config.address(&self.client_config.client.address) config.address(&self.client_config.client.address)
.netmask("255.255.255.255") .netmask("255.255.255.255")
.destination("10.66.66.1") .destination("10.66.66.1")
.mtu(1400) .mtu(1400)
.tun_name("tun0") .tun_name("tun0")
.up(); .up();
info!("SSS: {:?}", &self.client_config.server.endpoint); info!("SSS: {:?}", &self.client_config.server.endpoint);
let sock = UdpSocket::bind(("0.0.0.0", 0)).await.unwrap(); let sock = UdpSocket::bind(("0.0.0.0", 0)).await.unwrap();
sock.connect(&self.client_config.server.endpoint).await.unwrap(); sock.connect(&self.client_config.server.endpoint).await.unwrap();
let dev = create_as_async(&config).unwrap(); let dev = create_as_async(&config).unwrap();
let (mut dev_writer , mut dev_reader) = dev.into_framed().split(); let (mut dev_writer , mut dev_reader) = dev.into_framed().split();
let mut client = CoreVpnClient{ client_config: self.client_config.clone(), dev_reader: DevReader{ dr: dev_reader }, dev_writer: DevWriter{dr: dev_writer }, close_token: tokio_util::sync::CancellationToken::new()}; let mut client = CoreVpnClient{ client_config: self.client_config.clone(), dev_reader: DevReader{ dr: dev_reader }, dev_writer: DevWriter{dr: dev_writer }, close_token: tokio_util::sync::CancellationToken::new()};
info!("Platform specific code"); info!("Platform specific code");
/* #[cfg(target_os = "linux")] /* #[cfg(target_os = "linux")]
{ {
let s_a: std::net::SocketAddr = self.client_config.server.endpoint.parse().unwrap(); let s_a: std::net::SocketAddr = self.client_config.server.endpoint.parse().unwrap();
configure_routes(&s_a.ip().to_string(), self.s_interface.clone()); configure_routes(&s_a.ip().to_string(), self.s_interface.clone());
}*/ }*/
client.start(sock).await; client.start(sock).await;
} }
} }
} }

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src/config/mod.rs → frida_core/src/config/mod.rs
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0
src/gui/mod.rs → frida_core/src/gui/mod.rs
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src/gui/tab/mod.rs → frida_core/src/gui/tab/mod.rs
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src/gui/tab_button.rs → frida_core/src/gui/tab_button.rs
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src/gui/tab_panel.rs → frida_core/src/gui/tab_panel.rs
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340
src/main.rs → frida_core/src/main.rs
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@ -1,171 +1,171 @@
use std::{fs, net::{Ipv4Addr}, str}; use std::{fs, net::{Ipv4Addr}, str};
use clap::{App, Arg, ArgMatches}; use clap::{App, Arg, ArgMatches};
use env_logger::Builder; use env_logger::Builder;
use log::{error, LevelFilter}; use log::{error, LevelFilter};
use crate::config::{ ServerConfiguration, ClientConfiguration, ObfsProtocol, ServerPeer }; use crate::config::{ ServerConfiguration, ClientConfiguration, ObfsProtocol, ServerPeer };
use crate::client::{desktop::DesktopClient, general::VpnClient}; use crate::client::{desktop::DesktopClient, general::VpnClient};
mod obfs; mod obfs;
mod server; mod server;
mod client; mod client;
mod udp; mod udp;
mod config; mod config;
fn generate_server_config(matches: &ArgMatches, config_path: &str) { fn generate_server_config(matches: &ArgMatches, config_path: &str) {
let bind_address = matches.value_of("bind-address").expect("No bind address specified"); let bind_address = matches.value_of("bind-address").expect("No bind address specified");
let internal_address = matches.value_of("internal-address").expect("No internal address specified"); let internal_address = matches.value_of("internal-address").expect("No internal address specified");
let broadcast_mode = matches.value_of("broadcast-mode").is_some(); let broadcast_mode = matches.value_of("broadcast-mode").is_some();
let keepalive: u8 = matches.value_of("keepalive").unwrap().parse().expect("Keepalive argument should be a number"); let keepalive: u8 = matches.value_of("keepalive").unwrap().parse().expect("Keepalive argument should be a number");
let obfs_type = match matches.value_of("obfs-type").expect("Obfs type should be specified") { let obfs_type = match matches.value_of("obfs-type").expect("Obfs type should be specified") {
"dns" => ObfsProtocol::FakeDNS, "dns" => ObfsProtocol::FakeDNS,
"veil" => ObfsProtocol::VEIL, "veil" => ObfsProtocol::VEIL,
"xor" => ObfsProtocol::XOR, "xor" => ObfsProtocol::XOR,
_ => ObfsProtocol::NONE _ => ObfsProtocol::NONE
}; };
let _ = fs::write(config_path, serde_yaml::to_string(&ServerConfiguration::default(bind_address, internal_address, broadcast_mode, keepalive, obfs_type)).unwrap()); let _ = fs::write(config_path, serde_yaml::to_string(&ServerConfiguration::default(bind_address, internal_address, broadcast_mode, keepalive, obfs_type)).unwrap());
} }
fn generate_peer_config(matches: &ArgMatches, config_path: &str, cfg_raw: &String) { fn generate_peer_config(matches: &ArgMatches, config_path: &str, cfg_raw: &String) {
let keepalive: u8 = matches.value_of("keepalive").unwrap().parse().expect("Keepalive argument should be a number"); let keepalive: u8 = matches.value_of("keepalive").unwrap().parse().expect("Keepalive argument should be a number");
let grab_endpoint = matches.value_of("grab-endpoint").is_some(); let grab_endpoint = matches.value_of("grab-endpoint").is_some();
let endpoint = matches.value_of("endpoint").or(Some("0.0.0.0:0")).unwrap(); let endpoint = matches.value_of("endpoint").or(Some("0.0.0.0:0")).unwrap();
let peer_cfg = matches.value_of("peer-cfg").expect("No peer cfg path specified"); let peer_cfg = matches.value_of("peer-cfg").expect("No peer cfg path specified");
let mut config: ServerConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad server config file structure"); let mut config: ServerConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad server config file structure");
let prs = &mut config.peers[..]; let prs = &mut config.peers[..];
prs.sort_by(|a, b| a.ip.octets()[3].cmp(&b.ip.octets()[3])); prs.sort_by(|a, b| a.ip.octets()[3].cmp(&b.ip.octets()[3]));
let mut internal_address = prs.iter() let mut internal_address = prs.iter()
.map(|p| p.ip) .map(|p| p.ip)
.collect::<Vec<Ipv4Addr>>() .collect::<Vec<Ipv4Addr>>()
.first() .first()
.or(Some(&config.interface.internal_address.parse::<Ipv4Addr>().unwrap())) .or(Some(&config.interface.internal_address.parse::<Ipv4Addr>().unwrap()))
.unwrap() .unwrap()
.clone(); .clone();
internal_address = Ipv4Addr::new(internal_address.octets()[0], internal_address.octets()[1], internal_address.octets()[2], internal_address.octets()[3]+1); internal_address = Ipv4Addr::new(internal_address.octets()[0], internal_address.octets()[1], internal_address.octets()[2], internal_address.octets()[3]+1);
let cl_cfg = &ClientConfiguration::default(if grab_endpoint { &config.interface.bind_address } else { endpoint }, let cl_cfg = &ClientConfiguration::default(if grab_endpoint { &config.interface.bind_address } else { endpoint },
keepalive, keepalive,
&config.interface.public_key, &config.interface.public_key,
&internal_address.to_string()); &internal_address.to_string());
config.peers.push(ServerPeer { public_key: cl_cfg.client.public_key.clone(), ip: internal_address.clone() }); config.peers.push(ServerPeer { public_key: cl_cfg.client.public_key.clone(), ip: internal_address.clone() });
let _ = fs::write(peer_cfg, serde_yaml::to_string(cl_cfg).unwrap()); let _ = fs::write(peer_cfg, serde_yaml::to_string(cl_cfg).unwrap());
let _ = fs::write(config_path, serde_yaml::to_string(&config).unwrap()); let _ = fs::write(config_path, serde_yaml::to_string(&config).unwrap());
} }
async fn init_server(cfg_raw: &str, s_interface: Option<&str>) { async fn init_server(cfg_raw: &str, s_interface: Option<&str>) {
let config: ServerConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad server config file structure"); let config: ServerConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad server config file structure");
server::server_mode(config, s_interface).await; server::server_mode(config, s_interface).await;
} }
async fn init_client(cfg_raw: &str, s_interface: Option<String>) { async fn init_client(cfg_raw: &str, s_interface: Option<String>) {
let config: ClientConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad client config file structure"); let config: ClientConfiguration = serde_yaml::from_str(cfg_raw).expect("Bad client config file structure");
//client::client_mode(config, s_interface).await; //client::client_mode(config, s_interface).await;
let client = DesktopClient{client_config: config, s_interface}; let client = DesktopClient{client_config: config, s_interface};
client.start().await; client.start().await;
} }
#[tokio::main] #[tokio::main]
async fn main() { async fn main() {
//console_subscriber::init(); //console_subscriber::init();
// Initialize the logger with 'info' as the default level // Initialize the logger with 'info' as the default level
Builder::new() Builder::new()
.filter(None, LevelFilter::Info) .filter(None, LevelFilter::Info)
.init(); .init();
let matches = App::new("Frida") let matches = App::new("Frida")
.version("0.1.2") .version("0.1.2")
.author("alterwain") .author("alterwain")
.about("VPN software") .about("VPN software")
.arg(Arg::with_name("mode") .arg(Arg::with_name("mode")
.required(true) .required(true)
.index(1) .index(1)
.possible_values(&["server", "client", "gen_cfg", "new_peer"]) .possible_values(&["server", "client", "gen_cfg", "new_peer"])
.help("Runs the program in certain mode")) .help("Runs the program in certain mode"))
.arg(Arg::with_name("config") .arg(Arg::with_name("config")
.long("config") .long("config")
.required(true) .required(true)
.value_name("FILE") .value_name("FILE")
.help("The path to VPN configuration file") .help("The path to VPN configuration file")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("peer-cfg") .arg(Arg::with_name("peer-cfg")
.long("peer-cfg") .long("peer-cfg")
.value_name("FILE") .value_name("FILE")
.help("The path to VPN peer configuration file") .help("The path to VPN peer configuration file")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("bind-address") .arg(Arg::with_name("bind-address")
.long("bind-address") .long("bind-address")
.value_name("IP:PORT") .value_name("IP:PORT")
.help("The ip:port that would be used to bind server (config)") .help("The ip:port that would be used to bind server (config)")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("endpoint") .arg(Arg::with_name("endpoint")
.long("endpoint") .long("endpoint")
.value_name("IP:PORT") .value_name("IP:PORT")
.help("The ip:port that would be used by client to connect (config)") .help("The ip:port that would be used by client to connect (config)")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("internal-address") .arg(Arg::with_name("internal-address")
.long("internal-address") .long("internal-address")
.value_name("IP") .value_name("IP")
.help("The address of VPN server in it's subnet (config)") .help("The address of VPN server in it's subnet (config)")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("broadcast-mode") .arg(Arg::with_name("broadcast-mode")
.long("broadcast-mode") .long("broadcast-mode")
.help("If set to true, then all incoming traffic with an unknown destination address will be forwarded to all peers (config)") .help("If set to true, then all incoming traffic with an unknown destination address will be forwarded to all peers (config)")
.takes_value(false)) .takes_value(false))
.arg(Arg::with_name("grab-endpoint") .arg(Arg::with_name("grab-endpoint")
.long("grab-endpoint") .long("grab-endpoint")
.help("If set to true, the endpoint address for peers will be grabbed from server config (config)") .help("If set to true, the endpoint address for peers will be grabbed from server config (config)")
.takes_value(false)) .takes_value(false))
.arg(Arg::with_name("keepalive") .arg(Arg::with_name("keepalive")
.long("keepalive") .long("keepalive")
.required(false) .required(false)
.value_name("SECONDS") .value_name("SECONDS")
.default_value("0") .default_value("0")
.help("Keepalive packets interval (config)") .help("Keepalive packets interval (config)")
.takes_value(true)) .takes_value(true))
.arg(Arg::with_name("obfs-type") .arg(Arg::with_name("obfs-type")
.long("obfs-type") .long("obfs-type")
.possible_values(&["dns", "veil", "xor"]) .possible_values(&["dns", "veil", "xor"])
.takes_value(true) .takes_value(true)
.value_name("OBFS") .value_name("OBFS")
.help("Obfuscation protocol (config)")) .help("Obfuscation protocol (config)"))
.arg(Arg::with_name("interface") .arg(Arg::with_name("interface")
.long("interface") .long("interface")
.required(false) .required(false)
.takes_value(true) .takes_value(true)
.value_name("NAME") .value_name("NAME")
.help("Explicitly set network interface name for routing")) .help("Explicitly set network interface name for routing"))
.get_matches(); .get_matches();
let mode = matches.value_of("mode").unwrap(); let mode = matches.value_of("mode").unwrap();
if let Some(config_path) = matches.value_of("config") { if let Some(config_path) = matches.value_of("config") {
let data = fs::read(config_path); let data = fs::read(config_path);
if data.is_err() { if data.is_err() {
match mode { match mode {
"gen_cfg" => generate_server_config(&matches, config_path), "gen_cfg" => generate_server_config(&matches, config_path),
_ => error!("There is no config file.") _ => error!("There is no config file.")
} }
return; return;
} }
let cfg_raw = &String::from_utf8(data.unwrap()).unwrap(); let cfg_raw = &String::from_utf8(data.unwrap()).unwrap();
match mode { match mode {
"server" => init_server(cfg_raw, matches.value_of("interface")).await, "server" => init_server(cfg_raw, matches.value_of("interface")).await,
"client" => init_client(cfg_raw, matches.value_of("interface").map_or(None, |x| Some(String::from(x)))).await, "client" => init_client(cfg_raw, matches.value_of("interface").map_or(None, |x| Some(String::from(x)))).await,
"new_peer" => generate_peer_config(&matches, config_path, cfg_raw), "new_peer" => generate_peer_config(&matches, config_path, cfg_raw),
_ => error!("There is config file already") _ => error!("There is config file already")
} }
} }
} }

0
src/obfs.rs → frida_core/src/obfs.rs
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500
src/server.rs → frida_core/src/server.rs
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@ -1,251 +1,251 @@
use futures::{SinkExt, StreamExt}; use futures::{SinkExt, StreamExt};
use tokio::sync::mpsc; use tokio::sync::mpsc;
use tokio::{net::UdpSocket, sync::Mutex, time}; use tokio::{net::UdpSocket, sync::Mutex, time};
use x25519_dalek::{PublicKey, StaticSecret}; use x25519_dalek::{PublicKey, StaticSecret};
use base64::prelude::*; use base64::prelude::*;
use log::{error, info}; use log::{error, info};
use std::sync::Arc; use std::sync::Arc;
use std::net::{ SocketAddr, Ipv4Addr, IpAddr }; use std::net::{ SocketAddr, Ipv4Addr, IpAddr };
use std::collections::HashMap; use std::collections::HashMap;
use aes_gcm::{ aead::{Aead, AeadCore, KeyInit, OsRng}, use aes_gcm::{ aead::{Aead, AeadCore, KeyInit, OsRng},
Aes256Gcm, Nonce }; Aes256Gcm, Nonce };
use tun::{Configuration, create_as_async}; use tun::{Configuration, create_as_async};
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
use network_interface::{NetworkInterface, NetworkInterfaceConfig}; use network_interface::{NetworkInterface, NetworkInterfaceConfig};
use crate::config::{ ServerConfiguration, ServerPeer}; use crate::config::{ ServerConfiguration, ServerPeer};
use crate::udp::{UDPKeepAlive, UDPSerializable, UDPVpnHandshake, UDPVpnPacket}; use crate::udp::{UDPKeepAlive, UDPSerializable, UDPVpnHandshake, UDPVpnPacket};
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
fn configure_routes(s_interface: Option<&str>) { fn configure_routes(s_interface: Option<&str>) {
let interfaces = NetworkInterface::show().unwrap(); let interfaces = NetworkInterface::show().unwrap();
let net_inter = interfaces.iter() let net_inter = interfaces.iter()
.filter(|i| !i.addr.iter().any(|b| b.ip().to_string() == "127.0.0.1" || b.ip().to_string() == "::1") ) .filter(|i| !i.addr.iter().any(|b| b.ip().to_string() == "127.0.0.1" || b.ip().to_string() == "::1") )
.min_by(|x, y| x.index.cmp(&y.index)) .min_by(|x, y| x.index.cmp(&y.index))
.unwrap(); .unwrap();
info!("Main network interface: {:?}", net_inter.name); info!("Main network interface: {:?}", net_inter.name);
let inter_name = if s_interface.is_some() { s_interface.unwrap() } else { &net_inter.name }; let inter_name = if s_interface.is_some() { s_interface.unwrap() } else { &net_inter.name };
let mut ip_output = std::process::Command::new("iptables") let mut ip_output = std::process::Command::new("iptables")
.arg("-A") .arg("-A")
.arg("FORWARD") .arg("FORWARD")
.arg("-i") .arg("-i")
.arg("tun0") .arg("tun0")
.arg("-o") .arg("-o")
.arg(inter_name) .arg(inter_name)
.arg("-j") .arg("-j")
.arg("ACCEPT") .arg("ACCEPT")
.output() .output()
.expect("Failed to execute iptables command."); .expect("Failed to execute iptables command.");
if !ip_output.status.success() { if !ip_output.status.success() {
error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr)); error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr));
} }
ip_output = std::process::Command::new("iptables") ip_output = std::process::Command::new("iptables")
.arg("-A") .arg("-A")
.arg("FORWARD") .arg("FORWARD")
.arg("-i") .arg("-i")
.arg(inter_name) .arg(inter_name)
.arg("-o") .arg("-o")
.arg("tun0") .arg("tun0")
.arg("-m") .arg("-m")
.arg("state") .arg("state")
.arg("--state") .arg("--state")
.arg("ESTABLISHED,RELATED") .arg("ESTABLISHED,RELATED")
.arg("-j") .arg("-j")
.arg("ACCEPT") .arg("ACCEPT")
.output() .output()
.expect("Failed to execute iptables command."); .expect("Failed to execute iptables command.");
if !ip_output.status.success() { if !ip_output.status.success() {
error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr)); error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr));
} }
ip_output = std::process::Command::new("iptables") ip_output = std::process::Command::new("iptables")
.arg("-t") .arg("-t")
.arg("nat") .arg("nat")
.arg("-A") .arg("-A")
.arg("POSTROUTING") .arg("POSTROUTING")
.arg("-o") .arg("-o")
.arg(inter_name) .arg(inter_name)
.arg("-j") .arg("-j")
.arg("MASQUERADE") .arg("MASQUERADE")
.output() .output()
.expect("Failed to execute iptables command."); .expect("Failed to execute iptables command.");
if !ip_output.status.success() { if !ip_output.status.success() {
error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr)); error!("Failed to forward packets: {:?}", String::from_utf8_lossy(&ip_output.stderr));
} }
} }
pub async fn server_mode(server_config: ServerConfiguration, s_interface: Option<&str>) { pub async fn server_mode(server_config: ServerConfiguration, s_interface: Option<&str>) {
info!("Starting server..."); info!("Starting server...");
let mut config = Configuration::default(); let mut config = Configuration::default();
config.address(&server_config.interface.internal_address) config.address(&server_config.interface.internal_address)
.netmask("255.255.255.0") .netmask("255.255.255.0")
.tun_name("tun0") .tun_name("tun0")
.up(); .up();
let dev = create_as_async(&config).unwrap(); let dev = create_as_async(&config).unwrap();
let (mut dev_writer, mut dev_reader) = dev.into_framed().split(); let (mut dev_writer, mut dev_reader) = dev.into_framed().split();
let sock = UdpSocket::bind(&server_config.interface.bind_address).await.unwrap(); let sock = UdpSocket::bind(&server_config.interface.bind_address).await.unwrap();
let sock_rec = Arc::new(sock); let sock_rec = Arc::new(sock);
let sock_hnd = sock_rec.clone(); let sock_hnd = sock_rec.clone();
let addresses = Arc::new(Mutex::new(HashMap::<IpAddr, UDPeer>::new())); let addresses = Arc::new(Mutex::new(HashMap::<IpAddr, UDPeer>::new()));
let peers = Arc::new(Mutex::new(Vec::<ServerPeer>::new())); let peers = Arc::new(Mutex::new(Vec::<ServerPeer>::new()));
let (send2tun, mut recv2tun) = mpsc::unbounded_channel::<Vec<u8>>(); // unbounded::<Vec<u8>>(); let (send2tun, mut recv2tun) = mpsc::unbounded_channel::<Vec<u8>>(); // unbounded::<Vec<u8>>();
let (send2hnd, mut recv2hnd) = mpsc::unbounded_channel::<(Vec<u8>, SocketAddr)>(); // unbounded::<(Vec<u8>, SocketAddr)>(); let (send2hnd, mut recv2hnd) = mpsc::unbounded_channel::<(Vec<u8>, SocketAddr)>(); // unbounded::<(Vec<u8>, SocketAddr)>();
#[cfg(target_os = "linux")] #[cfg(target_os = "linux")]
configure_routes(s_interface); configure_routes(s_interface);
let tun_writer_task = tokio::spawn(async move { let tun_writer_task = tokio::spawn(async move {
loop { loop {
if let Some(bytes) = recv2tun.recv().await { if let Some(bytes) = recv2tun.recv().await {
info!("Sent to tun!"); info!("Sent to tun!");
let _ = dev_writer.send(bytes).await; let _ = dev_writer.send(bytes).await;
} }
} }
}); });
let keepalive_sec = server_config.interface.keepalive.clone(); let keepalive_sec = server_config.interface.keepalive.clone();
let send2hnd_cl = send2hnd.clone(); let send2hnd_cl = send2hnd.clone();
let addrs_lcl = addresses.clone(); let addrs_lcl = addresses.clone();
let alive_task = tokio::spawn(async move { let alive_task = tokio::spawn(async move {
let kp_sc = keepalive_sec.clone(); let kp_sc = keepalive_sec.clone();
if kp_sc <= 0 { return; } if kp_sc <= 0 { return; }
loop { loop {
time::sleep(time::Duration::from_secs(kp_sc.into())).await; time::sleep(time::Duration::from_secs(kp_sc.into())).await;
let mmp = addrs_lcl.lock().await; let mmp = addrs_lcl.lock().await;
mmp.values().for_each(|p| { mmp.values().for_each(|p| {
let _ = send2hnd_cl.send((UDPKeepAlive{}.serialize(), p.addr)); let _ = send2hnd_cl.send((UDPKeepAlive{}.serialize(), p.addr));
}); });
drop(mmp); drop(mmp);
} }
}); });
let sock_writer_task = tokio::spawn(async move { let sock_writer_task = tokio::spawn(async move {
loop { loop {
if let Some((handshake, addr)) = recv2hnd.recv().await { if let Some((handshake, addr)) = recv2hnd.recv().await {
info!("I SENT THAT STUFF"); info!("I SENT THAT STUFF");
let _ = sock_hnd.send_to(&handshake, addr).await; let _ = sock_hnd.send_to(&handshake, addr).await;
} }
} }
}); });
let addrs_cl = addresses.clone(); let addrs_cl = addresses.clone();
let send2hnd_sr = send2hnd.clone(); let send2hnd_sr = send2hnd.clone();
let tun_reader_task = tokio::spawn(async move { let tun_reader_task = tokio::spawn(async move {
while let Some(Ok(buf)) = dev_reader.next().await { while let Some(Ok(buf)) = dev_reader.next().await {
if buf.len() <= 19 { continue; } if buf.len() <= 19 { continue; }
let ip = IpAddr::V4(Ipv4Addr::new(buf[16], buf[17], buf[18], buf[19])); let ip = IpAddr::V4(Ipv4Addr::new(buf[16], buf[17], buf[18], buf[19]));
let mp = addrs_cl.lock().await; let mp = addrs_cl.lock().await;
if let Some(peer) = mp.get(&ip) { if let Some(peer) = mp.get(&ip) {
let aes = Aes256Gcm::new(&peer.shared_secret.into()); let aes = Aes256Gcm::new(&peer.shared_secret.into());
let nonce = Aes256Gcm::generate_nonce(&mut OsRng); let nonce = Aes256Gcm::generate_nonce(&mut OsRng);
let ciphered_data = aes.encrypt(&nonce, &buf[..]); let ciphered_data = aes.encrypt(&nonce, &buf[..]);
if let Ok(ciphered_d) = ciphered_data { if let Ok(ciphered_d) = ciphered_data {
let vpn_packet = UDPVpnPacket{ data: ciphered_d, nonce: nonce.to_vec()}; let vpn_packet = UDPVpnPacket{ data: ciphered_d, nonce: nonce.to_vec()};
let _ = send2hnd_sr.send((vpn_packet.serialize(), peer.addr)); let _ = send2hnd_sr.send((vpn_packet.serialize(), peer.addr));
} else { } else {
error!("Traffic encryption failed."); error!("Traffic encryption failed.");
} }
} else { } else {
// TODO: check in config is broadcast mode enabled (if not, do not send this to everyone) // TODO: check in config is broadcast mode enabled (if not, do not send this to everyone)
//mp.values().for_each(| peer | { sock_snd.send_to(&buf[..n], peer.addr); }); //mp.values().for_each(| peer | { sock_snd.send_to(&buf[..n], peer.addr); });
} }
drop(mp); drop(mp);
} }
}); });
let addrs_lp = addresses.clone(); let addrs_lp = addresses.clone();
let peers_lp = peers.clone(); let peers_lp = peers.clone();
let mut f_plp = peers_lp.lock().await; let mut f_plp = peers_lp.lock().await;
server_config.peers.iter().for_each(|c| f_plp.push(c.clone())); server_config.peers.iter().for_each(|c| f_plp.push(c.clone()));
drop(f_plp); drop(f_plp);
let send2hnd_ssr = send2hnd.clone(); let send2hnd_ssr = send2hnd.clone();
let sock_reader_task = tokio::spawn(async move { let sock_reader_task = tokio::spawn(async move {
let mut buf = vec![0; 2048]; let mut buf = vec![0; 2048];
loop { loop {
if let Ok((len, addr)) = sock_rec.recv_from(&mut buf).await { if let Ok((len, addr)) = sock_rec.recv_from(&mut buf).await {
info!("There is packet!"); info!("There is packet!");
let mut mp = addrs_lp.lock().await; let mut mp = addrs_lp.lock().await;
let plp = peers_lp.lock().await; let plp = peers_lp.lock().await;
match buf.first() { match buf.first() {
Some(h) => { Some(h) => {
match h { match h {
0 => { 0 => {
let handshake = UDPVpnHandshake::deserialize(&buf); let handshake = UDPVpnHandshake::deserialize(&buf);
info!("Got handshake from {:?}", handshake.request_ip); info!("Got handshake from {:?}", handshake.request_ip);
let skey = BASE64_STANDARD.encode(&handshake.public_key); let skey = BASE64_STANDARD.encode(&handshake.public_key);
if plp.iter().any(|c| c.ip == handshake.request_ip && c.public_key == skey) { if plp.iter().any(|c| c.ip == handshake.request_ip && c.public_key == skey) {
let internal_ip = IpAddr::V4(handshake.request_ip); let internal_ip = IpAddr::V4(handshake.request_ip);
info!("Accepted client"); info!("Accepted client");
let mut k = [0u8; 32]; let mut k = [0u8; 32];
for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) { for (&x, p) in handshake.public_key.iter().zip(k.iter_mut()) {
*p = x; *p = x;
} }
let static_secret = BASE64_STANDARD.decode(&server_config.interface.private_key).unwrap(); let static_secret = BASE64_STANDARD.decode(&server_config.interface.private_key).unwrap();
let mut k1 = [0u8; 32]; let mut k1 = [0u8; 32];
for (&x, p) in static_secret.iter().zip(k1.iter_mut()) { for (&x, p) in static_secret.iter().zip(k1.iter_mut()) {
*p = x; *p = x;
} }
let shared_secret = StaticSecret::from(k1) let shared_secret = StaticSecret::from(k1)
.diffie_hellman(&PublicKey::from(k)); .diffie_hellman(&PublicKey::from(k));
mp.insert(internal_ip, UDPeer { addr, shared_secret: *shared_secret.as_bytes() }); mp.insert(internal_ip, UDPeer { addr, shared_secret: *shared_secret.as_bytes() });
let handshake_response = UDPVpnHandshake{ public_key: BASE64_STANDARD.decode(&server_config.interface.public_key).unwrap(), request_ip: handshake.request_ip }; let handshake_response = UDPVpnHandshake{ public_key: BASE64_STANDARD.decode(&server_config.interface.public_key).unwrap(), request_ip: handshake.request_ip };
let _ = send2hnd_ssr.send((handshake_response.serialize(), addr)); let _ = send2hnd_ssr.send((handshake_response.serialize(), addr));
} else { } else {
info!("Bad handshake"); info!("Bad handshake");
//plp.iter().for_each(|c| info!("ip: {:?}; pkey: {:?}", c.ip, c.public_key)); //plp.iter().for_each(|c| info!("ip: {:?}; pkey: {:?}", c.ip, c.public_key));
} }
}, // handshake }, // handshake
1 => { 1 => {
let packet = UDPVpnPacket::deserialize(&(buf[..len].to_vec())); let packet = UDPVpnPacket::deserialize(&(buf[..len].to_vec()));
mp.values().filter(| p | p.addr == addr).for_each(|p| { mp.values().filter(| p | p.addr == addr).for_each(|p| {
let aes = Aes256Gcm::new(&p.shared_secret.into()); let aes = Aes256Gcm::new(&p.shared_secret.into());
let nonce = Nonce::clone_from_slice(&packet.nonce[..]); let nonce = Nonce::clone_from_slice(&packet.nonce[..]);
match aes.decrypt(&nonce, &packet.data[..]) { match aes.decrypt(&nonce, &packet.data[..]) {
Ok(decrypted) => { let _ = send2tun.send(decrypted); }, Ok(decrypted) => { let _ = send2tun.send(decrypted); },
Err(error) => error!("Decryption error! {:?}", error) Err(error) => error!("Decryption error! {:?}", error)
} }
}); });
}, // payload }, // payload
2 => { }, // got keepalive packet 2 => { }, // got keepalive packet
_ => error!("Unexpected header value.") _ => error!("Unexpected header value.")
} }
}, },
None => error!("There is no header") None => error!("There is no header")
} }
drop(plp); drop(plp);
drop(mp); drop(mp);
} }
} }
}); });
// should be refactored // should be refactored
let _ = tokio::join!(tun_reader_task, sock_reader_task, sock_writer_task, tun_writer_task, alive_task); let _ = tokio::join!(tun_reader_task, sock_reader_task, sock_writer_task, tun_writer_task, alive_task);
} }
struct UDPeer { struct UDPeer {
addr: SocketAddr, addr: SocketAddr,
shared_secret: [u8; 32] shared_secret: [u8; 32]
} }

0
src/udp.rs → frida_core/src/udp.rs
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0
tray.rc → frida_core/tray.rc
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