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checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
dependencies = [
"proc-macro2",
"quote",
"syn",
"wasm-bindgen-backend",
"wasm-bindgen-shared",
]
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.78"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
[[package]]
name = "web-sys"
version = "0.3.55"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
dependencies = [
"js-sys",
"wasm-bindgen",
]
[[package]]
name = "webpki"
version = "0.22.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f095d78192e208183081cc07bc5515ef55216397af48b873e5edcd72637fa1bd"
dependencies = [
"ring",
"untrusted",
]
[[package]]
name = "webpki-roots"
version = "0.22.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "552ceb903e957524388c4d3475725ff2c8b7960922063af6ce53c9a43da07449"
dependencies = [
"webpki",
]
[[package]]
name = "winapi"
version = "0.3.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
dependencies = [
"winapi-i686-pc-windows-gnu",
"winapi-x86_64-pc-windows-gnu",
]
[[package]]
name = "winapi-i686-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

12
Cargo.toml Normal file
View File

@ -0,0 +1,12 @@
[package]
name = "nemicosm"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
anyhow = "1.0.52"
rustls = "0.20.2"
trust-dns-client = "0.20.3"
webpki-roots = "0.22.2"

48
src/main.rs Normal file
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@ -0,0 +1,48 @@
use std::str::FromStr;
use anyhow::{bail, Result};
use trust_dns_client::client::{Client, SyncClient};
use trust_dns_client::rr::{DNSClass, Name, RData, RecordType};
use trust_dns_client::udp::UdpClientConnection;
fn main() -> Result<()> {
let (port, host) = resolve_dns("daeken.dev")?;
dbg!(port);
dbg!(host);
Ok(())
}
fn resolve_dns(server: &str) -> Result<(u16, String)> {
let name = Name::from_str(&format!("_hypercosm._tls.{}", server))?;
let resp = make_dns_client()?.query(&name, DNSClass::IN, RecordType::SRV)?;
// TODO: Ensure exactly 1 result: I think.
let ans = resp.answers()[0].rdata();
if let RData::SRV(srv) = ans {
// TODO: Handle priority and weight.
let port = srv.port();
// TODO: Should this be ascii or utf8
let name = srv.target().to_ascii();
Ok((port, name))
} else {
bail!("Invalid DNS responce");
}
}
fn make_dns_client() -> Result<impl Client> {
// TODO: Make this use TLS
let addr = "1.1.1.1:53".parse()?;
let conn = UdpClientConnection::new(addr)?;
let client = SyncClient::new(conn);
Ok(client)
}