feat(*) add DNS name support for --remote argument in both Client and

Server
This commit is contained in:
Datong Sun 2021-11-18 04:46:18 -08:00
parent 49cc6a6865
commit 91988520e5
3 changed files with 28 additions and 20 deletions

View File

@ -396,11 +396,10 @@ impl Stack {
} else {
trace!("Cache miss, checking the shared tuples table for connection");
let sender;
{
let sender = {
let tuples = shared.tuples.read().unwrap();
sender = tuples.get(&tuple).cloned();
}
tuples.get(&tuple).cloned()
};
if let Some(c) = sender {
trace!("Storing connection information into local tuples");

View File

@ -6,7 +6,7 @@ use fake_tcp::{Socket, Stack};
use log::{debug, error, info};
use std::collections::HashMap;
use std::convert::TryInto;
use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
use std::net::{Ipv4Addr, SocketAddr};
use std::sync::Arc;
use std::time::Duration;
use tokio::net::UdpSocket;
@ -57,8 +57,8 @@ async fn main() {
.short("r")
.long("remote")
.required(true)
.value_name("IP:PORT")
.help("Sets the address and port where Phantun Client connects to Phantun Server")
.value_name("IP or HOST NAME:PORT")
.help("Sets the address or host name and port where Phantun Client connects to Phantun Server")
.takes_value(true),
)
.arg(
@ -97,11 +97,18 @@ async fn main() {
.unwrap()
.parse()
.expect("bad local address");
let remote_addr: SocketAddrV4 = matches
.value_of("remote")
.unwrap()
.parse()
.expect("bad remote address");
let remote_addr = tokio::net::lookup_host(matches.value_of("remote").unwrap())
.await
.expect("bad remote address or host")
.next()
.expect("unable to resolve remote host name");
let remote_addr = if let SocketAddr::V4(addr) = remote_addr {
addr
} else {
panic!("only IPv4 remote address is supported");
};
let tun_local: Ipv4Addr = matches
.value_of("tun_local")
.unwrap()

View File

@ -4,7 +4,7 @@ use clap::{crate_version, App, Arg};
use fake_tcp::packet::MAX_PACKET_LEN;
use fake_tcp::Stack;
use log::{error, info};
use std::net::{Ipv4Addr, SocketAddr};
use std::net::Ipv4Addr;
use tokio::net::UdpSocket;
use tokio::time::{self, Duration};
use tokio_tun::TunBuilder;
@ -31,8 +31,8 @@ async fn main() {
.short("r")
.long("remote")
.required(true)
.value_name("IP:PORT")
.help("Sets the address and port where Phantun Server forwards UDP packets to, IPv6 address need to be specified as: \"[IPv6]:PORT\"")
.value_name("IP or HOST NAME:PORT")
.help("Sets the address or host name and port where Phantun Server forwards UDP packets to, IPv6 address need to be specified as: \"[IPv6]:PORT\"")
.takes_value(true),
)
.arg(
@ -71,11 +71,13 @@ async fn main() {
.unwrap()
.parse()
.expect("bad local port");
let remote_addr: SocketAddr = matches
.value_of("remote")
.unwrap()
.parse()
.expect("bad remote address");
let remote_addr = tokio::net::lookup_host(matches.value_of("remote").unwrap())
.await
.expect("bad remote address or host")
.next()
.expect("unable to resolve remote host name");
let tun_local: Ipv4Addr = matches
.value_of("tun_local")
.unwrap()