implement basic client
This commit is contained in:
Raptorox
parent
afcab342be
commit
d3a7cebc13
3 changed files with 310 additions and 2 deletions
179
Cargo.lock
generated
179
Cargo.lock
generated
|
|
@ -2,6 +2,185 @@
|
||||||
# It is not intended for manual editing.
|
# It is not intended for manual editing.
|
||||||
version = 4
|
version = 4
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstream"
|
||||||
|
version = "1.0.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
|
||||||
|
dependencies = [
|
||||||
|
"anstyle",
|
||||||
|
"anstyle-parse",
|
||||||
|
"anstyle-query",
|
||||||
|
"anstyle-wincon",
|
||||||
|
"colorchoice",
|
||||||
|
"is_terminal_polyfill",
|
||||||
|
"utf8parse",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle"
|
||||||
|
version = "1.0.14"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-parse"
|
||||||
|
version = "1.0.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e"
|
||||||
|
dependencies = [
|
||||||
|
"utf8parse",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-query"
|
||||||
|
version = "1.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
|
||||||
|
dependencies = [
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "anstyle-wincon"
|
||||||
|
version = "3.0.11"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
|
||||||
|
dependencies = [
|
||||||
|
"anstyle",
|
||||||
|
"once_cell_polyfill",
|
||||||
|
"windows-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap"
|
||||||
|
version = "4.6.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d91e0c145792ef73a6ad36d27c75ac09f1832222a3c209689d90f534685ee5b7"
|
||||||
|
dependencies = [
|
||||||
|
"clap_builder",
|
||||||
|
"clap_derive",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_builder"
|
||||||
|
version = "4.6.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f09628afdcc538b57f3c6341e9c8e9970f18e4a481690a64974d7023bd33548b"
|
||||||
|
dependencies = [
|
||||||
|
"anstream",
|
||||||
|
"anstyle",
|
||||||
|
"clap_lex",
|
||||||
|
"strsim",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_derive"
|
||||||
|
version = "4.6.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d012d2b9d65aca7f18f4d9878a045bc17899bba951561ba5ec3c2ba1eed9a061"
|
||||||
|
dependencies = [
|
||||||
|
"heck",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "clap_lex"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "colorchoice"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "heck"
|
||||||
|
version = "0.5.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "is_terminal_polyfill"
|
||||||
|
version = "1.70.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "mc-rcon"
|
name = "mc-rcon"
|
||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"clap",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "once_cell_polyfill"
|
||||||
|
version = "1.70.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.107"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "985e7ec9bb745e6ce6535b544d84d6cd6f7ad8bd711c398938ae983b91a766d9"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.47"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1fbf4db142a473a8d80c26bbf18454ed458bf8d26c8219c331daecfdbd079001"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "strsim"
|
||||||
|
version = "0.11.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "3.0.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "53e9bae58849f64dfa4f5d5ae372c8341f7305f82a3868709269343628b659a3"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "utf8parse"
|
||||||
|
version = "0.2.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-link"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "windows-sys"
|
||||||
|
version = "0.61.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
|
||||||
|
dependencies = [
|
||||||
|
"windows-link",
|
||||||
|
]
|
||||||
|
|
|
||||||
|
|
@ -4,3 +4,4 @@ version = "0.1.0"
|
||||||
edition = "2024"
|
edition = "2024"
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
|
clap = { version = "4.6.4", features = ["derive"] }
|
||||||
|
|
|
||||||
132
src/main.rs
132
src/main.rs
|
|
@ -1,3 +1,131 @@
|
||||||
fn main() {
|
use std::{io::{Read, Write}, net::{TcpStream, ToSocketAddrs}};
|
||||||
println!("Hello, world!");
|
use clap::Parser;
|
||||||
|
|
||||||
|
#[derive(Parser, Debug)]
|
||||||
|
struct Args {
|
||||||
|
#[arg(short, long)]
|
||||||
|
addr: String,
|
||||||
|
|
||||||
|
#[arg(short, long)]
|
||||||
|
password: String,
|
||||||
|
|
||||||
|
#[arg(short, long)]
|
||||||
|
cmd: String
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#[derive(Clone, Copy, PartialEq)]
|
||||||
|
enum PacketType {
|
||||||
|
Login = 3,
|
||||||
|
Command = 2,
|
||||||
|
Response = 0
|
||||||
|
}
|
||||||
|
|
||||||
|
impl PacketType {
|
||||||
|
fn to_le_bytes(&self) -> [u8; 4] {
|
||||||
|
(*self as i32).to_le_bytes()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl TryFrom<i32> for PacketType {
|
||||||
|
type Error = ();
|
||||||
|
|
||||||
|
fn try_from(value: i32) -> Result<Self, Self::Error> {
|
||||||
|
match value {
|
||||||
|
x if x == Self::Login as i32 => Ok(Self::Login),
|
||||||
|
x if x == Self::Command as i32 => Ok(Self::Command),
|
||||||
|
x if x == Self::Response as i32 => Ok(Self::Response),
|
||||||
|
_ => Err(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct RconClient {
|
||||||
|
stream: TcpStream,
|
||||||
|
next_id: i32
|
||||||
|
}
|
||||||
|
|
||||||
|
impl RconClient {
|
||||||
|
fn read_i32_le(&mut self) -> i32 {
|
||||||
|
let mut buf = [0u8; 4];
|
||||||
|
self.stream.read_exact(&mut buf).unwrap();
|
||||||
|
i32::from_le_bytes(buf)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn recv_packet(&mut self) -> (i32, PacketType, String) {
|
||||||
|
let length = self.read_i32_le();
|
||||||
|
if length < 10 {
|
||||||
|
panic!("response length < 10");
|
||||||
|
}
|
||||||
|
|
||||||
|
let id = self.read_i32_le();
|
||||||
|
let ptype = PacketType::try_from(self.read_i32_le()).unwrap();
|
||||||
|
|
||||||
|
let payload_len = (length - 10) as usize;
|
||||||
|
let mut payload_bytes = vec![0u8; payload_len];
|
||||||
|
self.stream.read_exact(&mut payload_bytes).unwrap();
|
||||||
|
|
||||||
|
let mut nulls = [0u8; 2];
|
||||||
|
self.stream.read_exact(&mut nulls).unwrap();
|
||||||
|
|
||||||
|
let payload = String::from_utf8_lossy(&payload_bytes).into_owned();
|
||||||
|
(id, ptype, payload)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn send_packet(&mut self, ptype: PacketType, payload: &str) -> i32 {
|
||||||
|
let id = self.next_id;
|
||||||
|
self.next_id = self.next_id.wrapping_add(1);
|
||||||
|
|
||||||
|
let payload_bytes = payload.as_bytes();
|
||||||
|
let length = (payload_bytes.len() + 10) as i32;
|
||||||
|
|
||||||
|
let mut packet = Vec::with_capacity(4 + length as usize);
|
||||||
|
packet.extend_from_slice(&length.to_le_bytes());
|
||||||
|
packet.extend_from_slice(&id.to_le_bytes());
|
||||||
|
packet.extend_from_slice(&ptype.to_le_bytes());
|
||||||
|
packet.extend_from_slice(&payload_bytes);
|
||||||
|
packet.push(0); // terminate payload
|
||||||
|
packet.push(0); // padding
|
||||||
|
|
||||||
|
self.stream.write_all(&packet).unwrap();
|
||||||
|
id
|
||||||
|
}
|
||||||
|
|
||||||
|
fn authenticate(&mut self, password: &str) {
|
||||||
|
self.send_packet(PacketType::Login, password);
|
||||||
|
|
||||||
|
let (auth_id, _, _) = self.recv_packet();
|
||||||
|
|
||||||
|
if auth_id == -1 {
|
||||||
|
panic!("auth failed");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn connect(addr: impl ToSocketAddrs, password: &str) -> Self {
|
||||||
|
let stream = TcpStream::connect(addr).unwrap();
|
||||||
|
let mut client = RconClient { stream, next_id: 1 };
|
||||||
|
client.authenticate(password);
|
||||||
|
client
|
||||||
|
}
|
||||||
|
|
||||||
|
fn command(&mut self, cmd: &str) -> String {
|
||||||
|
let id = self.send_packet(PacketType::Command, cmd);
|
||||||
|
|
||||||
|
let (resp_id, resp_type, payload) = self.recv_packet();
|
||||||
|
if resp_type != PacketType::Response {
|
||||||
|
panic!("invalid response")
|
||||||
|
}
|
||||||
|
if resp_id != id {
|
||||||
|
panic!("invalid response")
|
||||||
|
}
|
||||||
|
|
||||||
|
payload
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let args = Args::parse();
|
||||||
|
|
||||||
|
let mut client = RconClient::connect(args.addr, args.password.as_str());
|
||||||
|
let resp = client.command(&args.cmd);
|
||||||
|
println!("{resp}");
|
||||||
|
}
|
||||||
Loading…
Add table
Add a link
Reference in a new issue