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add WIP rust server

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2023-05-30 13:45:48 +02:00
parent 9de6bb5241
commit 3ea37f0c37
10 changed files with 449 additions and 3 deletions
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rust/client/Cargo.lock
Generated
+186
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# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 3
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rust/client/Cargo.toml
+19
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[package]
name = "itransfer_client"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
bincode = "1.3.3"
serde = { version = "1.0.163", features = ["serde_derive"], default-features = false }
byteorder = { default-features = false, version = "1.4.3" }
sha3 = { default-features = false, version = "0.10.8" }
sha2 = { default-features = false, version = "0.10.6" }
[profile.release]
lto = true # Enable link-time optimization
codegen-units = 1 # Reduce number of codegen units to increase optimizations
panic = 'abort' # Abort on panic
strip = true # Strip symbols from binary; remove pdb
rust/client/src/big_array.rs
+68
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use std::fmt;
use std::marker::PhantomData;
use serde::ser::{Serialize, Serializer, SerializeTuple};
use serde::de::{Deserialize, Deserializer, Visitor, SeqAccess, Error};
pub trait BigArray<'de>: Sized {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer;
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>;
}
macro_rules! big_array {
($($len:expr,)+) => {
$(
impl<'de, T> BigArray<'de> for [T; $len]
where T: Default + Copy + Serialize + Deserialize<'de>
{
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer
{
let mut seq = serializer.serialize_tuple(self.len())?;
for elem in &self[..] {
seq.serialize_element(elem)?;
}
seq.end()
}
fn deserialize<D>(deserializer: D) -> Result<[T; $len], D::Error>
where D: Deserializer<'de>
{
struct ArrayVisitor<T> {
element: PhantomData<T>,
}
impl<'de, T> Visitor<'de> for ArrayVisitor<T>
where T: Default + Copy + Deserialize<'de>
{
type Value = [T; $len];
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str(concat!("an array of length ", $len))
}
fn visit_seq<A>(self, mut seq: A) -> Result<[T; $len], A::Error>
where A: SeqAccess<'de>
{
let mut arr = [T::default(); $len];
for i in 0..$len {
arr[i] = seq.next_element()?
.ok_or_else(|| Error::invalid_length(i, &self))?;
}
Ok(arr)
}
}
let visitor = ArrayVisitor { element: PhantomData };
deserializer.deserialize_tuple($len, visitor)
}
}
)+
}
}
big_array! {
40, 48, 50, 56, 64, 72, 96, 100, 128, 160, 192, 200, 224, 256, 384, 488, 512,
768, 1024, 2048, 4096, 8192, 16384, 32768, 65536,
}
rust/client/src/main.rs
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use bincode::{self, Error, options, Options};
use std::{net::{UdpSocket, SocketAddr}, io::Write};
use serde::{Serialize, Deserialize};
use sha3::{Digest, Sha3_512};
use sha2::Sha512;
use std::io::{self, BufRead};
mod big_array;
use big_array::BigArray;
const MAX_FRAME_PAYLOAD:u16=508;
const MAX_FRAME_PAYLOAD_U:usize=MAX_FRAME_PAYLOAD as usize;
const HEADER_SIZE:u16 = 20;
const MAX_PAYLOAD:u16 = MAX_FRAME_PAYLOAD - HEADER_SIZE;
const MAX_PAYLOAD_U:usize = MAX_PAYLOAD as usize;
#[derive(Serialize, Deserialize)]
struct PacketInformation {
packet_numbers: u32, //4 bytes
last_packet_size: u16, //2 bytes
response_filename_checksum: u64, //8 bytes
} //14 bytes
#[derive(Serialize, Deserialize)]
struct Packet {
packet_number: u32, //4 bytes
payload_hash: [u8; 16], //16 bytes
#[serde(with = "BigArray")]
payload: [u8; MAX_PAYLOAD_U], //488 bytes
} //512 bytes
fn read_stdin(message: String) -> String {
print!("{}", message);
io::stdout().flush().unwrap();
let mut buffer = String::new();
let stdin = io::stdin();
let mut handle = stdin.lock();
handle.read_line(&mut buffer).unwrap();
buffer.trim().to_string()
}
fn main() {
let timeout = 1;
let mut server_ip = read_stdin("Enter server ip: ".to_string());//e.g. 213.47.107.152:1337
if server_ip == "" {
server_ip = "127.0.0.1".to_string(); //testing ip
}
if server_ip.find(":").is_none() {
server_ip.push_str(":1337"); //default port
}
let input_filename = read_stdin("Enter filename: ".to_string());//e.g. "data.bin"
let filename: &str;
if input_filename == "" {
filename = "data.bin"; //testing filename
} else {
filename = &input_filename;
}
let local_addr: SocketAddr = "0.0.0.0:0".parse().expect("Failed to parse address");
let socket = UdpSocket::bind(local_addr).expect("Failed to bind socket");
socket.set_read_timeout(Some(std::time::Duration::new(timeout, 0))).expect("set_read_timeout call failed");
//socket.set_nonblocking(true).expect("set_nonblocking call failed");
let server_addr: SocketAddr = server_ip.parse().expect("Failed to parse address");
let message = filename;
let sum: u64 = filename.bytes().map(|b| b as u64).sum();
socket.send_to(message.as_bytes(), server_addr).expect("Failed to send data");
// Receive data
let mut buffer = [0u8; MAX_FRAME_PAYLOAD_U];
let (received_bytes, remote_addr) = socket.recv_from(&mut buffer).expect("Failed to receive data");
let filled_buffer = &buffer[..received_bytes];
//print the filled buffer
println!("Received data: {:?} {}", filled_buffer, filled_buffer.len());
if remote_addr != server_addr {
panic!("Received data from unknown address");
}
let options = options().with_big_endian().allow_trailing_bytes().with_fixint_encoding();
let packet_info_result: Result<PacketInformation, Error> = options.deserialize(filled_buffer);
let packet_info: PacketInformation;
match packet_info_result {
Ok(packet) => {
println!("Packets to receive: {}", packet.packet_numbers);
println!("Last packet size: {}", packet.last_packet_size);
println!("Response filename checksum: {}", packet.response_filename_checksum);
//check checksum with sum
if packet.response_filename_checksum != sum {
panic!("Filename Checksums do not match, correct checksum: {}", sum);
}
packet_info = packet;
}
Err(err) => {
panic!("Failed to deserialize data: {}", err);
}
}
//create vector to store the packets
let mut packets: Vec<Vec<u8>> = Vec::new();
for _ in 0..packet_info.packet_numbers {
packets.push(Vec::new());
}
let mut received_packets = 0;
let mut server_hash = [0u8; 64];
let mut server_hash_received = false;
//receive the packets
while received_packets < packet_info.packet_numbers-1 || !server_hash_received {
let mut buffer = [0u8; MAX_FRAME_PAYLOAD_U];
let res = socket.recv_from(&mut buffer);
if let Ok((received_bytes, remote_addr)) = res {
let filled_buffer = &buffer;//[..received_bytes];
//print the filled buffer
//println!("Received data: {:?} {}", filled_buffer, filled_buffer.len());
if remote_addr != server_addr {
panic!("Received data from unknown address");
}
if received_bytes == 65 {
//println!("Received hash packet, ignoring for now");
server_hash = filled_buffer[0..64].try_into().expect("Failed to convert hash");
//println!("Received hash: {:?}", server_hash);
server_hash_received = true;
continue;
}
if received_bytes != MAX_FRAME_PAYLOAD_U {
println!("Received packet with invalid size {} not {} | ignoring", received_bytes, MAX_FRAME_PAYLOAD_U);
continue;
}
let packet_result: Result<Packet, Error> = options.deserialize(filled_buffer);
let packet: Packet;
match packet_result {
Ok(p) => {
//println!("Packet {}", p.packet_number);
//check checksum with sum
if p.packet_number != packet_info.packet_numbers - 1 {
let mut hasher = Sha3_512::new();
hasher.update(&p.payload);
let hash = hasher.finalize();
if p.payload_hash != hash[..16] {
continue;
}
packet = p;
} else {
//cut packet down to size
packets[p.packet_number as usize] = p.payload[..packet_info.last_packet_size as usize].to_vec();
continue;
}
}
Err(err) => {
panic!("Failed to deserialize data: {}", err);
}
}
if packets[packet.packet_number as usize].len() != 0 {
//println!("Packet already received, ignoring");
continue;
}
packets[packet.packet_number as usize] = packet.payload.to_vec();
received_packets += 1;
} else {
//println!("Timeout, requesting again {}/{}\r", received_packets, packet_info.packet_numbers);
//collect packets that were not received and send them in n messages
//where n is the minimum amount of messages needed to request all packets
let mut missing_packets: Vec<u32> = Vec::new();
for i in 0..packet_info.packet_numbers {
if packets[i as usize].len() == 0 {
missing_packets.push(i);
}
}
//split lost_packets into groups of size 508-filename.len() bytes
let mut missing_packet_groups: Vec<String> = Vec::new();
let mut current_group: String = filename.to_string();
for i in 0..missing_packets.len() {
if current_group.len() + missing_packets[i].to_string().len() + 1 > MAX_PAYLOAD_U {
missing_packet_groups.push(current_group);
current_group = filename.to_string();
}
current_group.push('/');
current_group.push_str(&missing_packets[i].to_string());
}
if current_group.len() > filename.len() {
missing_packet_groups.push(current_group);
}
for i in 0..missing_packet_groups.len() {
let message = &missing_packet_groups[i];
//println!("Requesting packets: {}", message);
socket.send_to(message.as_bytes(), server_addr).expect("Failed to send data");
}
if !server_hash_received {
let message = filename.to_string()+":";
socket.send_to(message.as_bytes(), server_addr).expect("Failed to send data");
}
}
print!("Packet {}/{}\r", received_packets, packet_info.packet_numbers);
}
//check hash via sha512
let mut hasher = Sha512::new();
for i in 0..packets.len() {
hasher.update(&packets[i]);
}
let client_hash = hasher.finalize();
if client_hash[..64] != server_hash {
panic!("Hashes do not match, correct hash: {:?}, client hash: {:?}", server_hash, client_hash);
}
println!("Received all packets, writing to file");
//create folder "received" if it does not exist
std::fs::create_dir_all("received").expect("Failed to create directory");
//write packets to file
let mut file = std::fs::File::create("received/".to_string()+filename).expect("Failed to create file");
for i in 0..packets.len() {
file.write_all(&packets[i]).expect("Failed to write to file");
}
}
rust/server/Cargo.lock
Generated
+219
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@@ -0,0 +1,219 @@
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name = "sha3"
version = "0.10.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
dependencies = [
"digest",
"keccak",
]
[[package]]
name = "syn"
version = "2.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "typenum"
version = "1.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
[[package]]
name = "unicode-ident"
version = "1.0.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
[[package]]
name = "version_check"
version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
rust/server/Cargo.toml
+20
View File
@@ -0,0 +1,20 @@
[package]
name = "itransfer_client"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
bincode = "1.3.3"
serde = { version = "1.0.163", features = ["serde_derive"], default-features = false }
byteorder = { default-features = false, version = "1.4.3" }
sha3 = { default-features = false, version = "0.10.8" }
sha2 = { default-features = false, version = "0.10.6" }
regex = { default-features = true, version = "1.8.3" }
[profile.release]
lto = true # Enable link-time optimization
codegen-units = 1 # Reduce number of codegen units to increase optimizations
panic = 'abort' # Abort on panic
strip = true # Strip symbols from binary; remove pdb
rust/server/notes
+13
View File
@@ -0,0 +1,13 @@
packet size 1 - max:
file request
format: `[filename]`
packet size 2 - max:
hash request
format: `[filename]:`
regex name: `hash_request_regex`
packet size 3 - max:
missing packet request
format: `[filename]/[packet number]/[packet number]/...`
regex name: `missing_packet_request_regex`
rust/server/src/big_array.rs
+68
View File
@@ -0,0 +1,68 @@
use std::fmt;
use std::marker::PhantomData;
use serde::ser::{Serialize, Serializer, SerializeTuple};
use serde::de::{Deserialize, Deserializer, Visitor, SeqAccess, Error};
pub trait BigArray<'de>: Sized {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer;
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: Deserializer<'de>;
}
macro_rules! big_array {
($($len:expr,)+) => {
$(
impl<'de, T> BigArray<'de> for [T; $len]
where T: Default + Copy + Serialize + Deserialize<'de>
{
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer
{
let mut seq = serializer.serialize_tuple(self.len())?;
for elem in &self[..] {
seq.serialize_element(elem)?;
}
seq.end()
}
fn deserialize<D>(deserializer: D) -> Result<[T; $len], D::Error>
where D: Deserializer<'de>
{
struct ArrayVisitor<T> {
element: PhantomData<T>,
}
impl<'de, T> Visitor<'de> for ArrayVisitor<T>
where T: Default + Copy + Deserialize<'de>
{
type Value = [T; $len];
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str(concat!("an array of length ", $len))
}
fn visit_seq<A>(self, mut seq: A) -> Result<[T; $len], A::Error>
where A: SeqAccess<'de>
{
let mut arr = [T::default(); $len];
for i in 0..$len {
arr[i] = seq.next_element()?
.ok_or_else(|| Error::invalid_length(i, &self))?;
}
Ok(arr)
}
}
let visitor = ArrayVisitor { element: PhantomData };
deserializer.deserialize_tuple($len, visitor)
}
}
)+
}
}
big_array! {
40, 48, 50, 56, 64, 72, 96, 100, 128, 160, 192, 200, 224, 256, 384, 488, 512,
768, 1024, 2048, 4096, 8192, 16384, 32768, 65536,
}
rust/server/src/main.rs
+126
View File
@@ -0,0 +1,126 @@
use bincode::{self, options, Options};
use std::{net::{UdpSocket, SocketAddr}, io::Read};
use serde::{Serialize, Deserialize};
use sha3::{Digest, Sha3_512};
use sha2::Sha512;
use regex::Regex;
mod big_array;
use big_array::BigArray;
const MAX_FRAME_PAYLOAD:u16=508;
const MAX_FRAME_PAYLOAD_U:usize=MAX_FRAME_PAYLOAD as usize;
const HEADER_SIZE:u16 = 20;
const MAX_PAYLOAD:u16 = MAX_FRAME_PAYLOAD - HEADER_SIZE;
const MAX_PAYLOAD_U:usize = MAX_PAYLOAD as usize;
#[derive(Serialize, Deserialize)]
struct PacketInformation {
packet_numbers: u32, //4 bytes
last_packet_size: u16, //2 bytes
response_filename_checksum: u64, //8 bytes
} //14 bytes
#[derive(Serialize, Deserialize)]
struct Packet {
packet_number: u32, //4 bytes
payload_hash: [u8; 16], //16 bytes
#[serde(with = "BigArray")]
payload: [u8; MAX_PAYLOAD_U], //488 bytes
} //512 bytes
#[derive(Serialize, Deserialize)]
struct StrPacket {
#[serde(with = "BigArray")]
payload: [u8; MAX_PAYLOAD_U]
}
fn main() {
let port = "1337";
let timeout = 100;
let local_addr: SocketAddr = ("0.0.0.0:".to_string()+port).parse().expect("Failed to parse address");
let socket = UdpSocket::bind(local_addr).expect("Failed to bind socket");
socket.set_read_timeout(Some(std::time::Duration::from_millis(timeout))).expect("set_read_timeout call failed");
println!("UDP Server up and running on port {}", local_addr.port());
let _options = options().with_big_endian().allow_trailing_bytes().with_fixint_encoding();
let hash_request_regex = Regex::new(r"[a-zA-Z0-9.-_ ]+:").unwrap();
let missing_packet_request_regex = Regex::new(r"([a-zA-Z0-9.-_ ]+)(/[0-9]+)+").unwrap();
loop {
let mut buffer = [0u8; MAX_FRAME_PAYLOAD_U];
let res = socket.recv_from(&mut buffer);
if let Ok((_received_bytes, remote_addr)) = res {
let filled_buffer = &buffer;//[..received_bytes];
let request_packet = bincode::deserialize::<StrPacket>(filled_buffer).unwrap();
let request: String = request_packet.payload.iter().map(|&c| c as char).collect();
println!("Received request: {}", request);
let req = request.as_str();
if hash_request_regex.is_match(req) {
println!("Received hash request");
continue;
}
if missing_packet_request_regex.is_match(req) {
println!("Received missing packet request");
continue;
}
println!("Received file request");
let request = "files/".to_string() + req;
let file_result = std::fs::File::open(request);
if file_result.is_err() {
println!("File not found");
continue;
}
let mut file = file_result.unwrap();
let mut file_buffer = [0u8; MAX_PAYLOAD_U];
let mut packet_number = 0u32;
let file_length = file.metadata().unwrap().len();
println!("file length: {}", file_length);
let packet_information = PacketInformation {
packet_numbers: (file_length/MAX_PAYLOAD as u64) as u32,
last_packet_size: (file_length%MAX_PAYLOAD as u64) as u16,
response_filename_checksum: request_packet.payload.iter().fold(0u64, |acc, &x| acc.wrapping_add(x as u64)),
};
socket.send_to(bincode::serialize(&packet_information).unwrap().as_slice(), remote_addr).expect("Failed to send packet information");
//read file chunk by chunk
while let Ok(bytes_read) = file.read(&mut file_buffer) {
if bytes_read == 0 {
break;
}
let mut hasher = Sha3_512::new();
hasher.update(&file_buffer[..bytes_read]);
let result = hasher.finalize();
let mut packet = Packet {
packet_number,
payload_hash: [0u8; 16],
payload: file_buffer[..bytes_read].try_into().unwrap(),
};
packet.payload_hash.copy_from_slice(&result[..16]);
packet.payload[..bytes_read].copy_from_slice(&file_buffer[..bytes_read]);
let packet_bytes = bincode::serialize(&packet).unwrap();
socket.send_to(&packet_bytes, remote_addr).expect("Failed to send packet");
packet_number += 1;
}
}
}
}