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|
use std::{env, process::exit};
use anyhow::{Result, anyhow, Context};
use clap::{arg, command, Command};
use serde::Deserialize;
use std::fs::read_to_string;
mod wg;
mod list;
mod rm;
mod add;
mod wgcmd;
mod config;
fn main() {
let matches = command!()
.arg(
arg!(
-c --config <CONFIG> "wgmgr configuration file path"
)
.required(false)
)
.subcommand_required(true)
// "ls"
.subcommand(
Command::new("ls")
.about("List known clients")
)
// "config"
.subcommand(
Command::new("config")
.about("Generate the configuration file for a client")
.arg(
arg!(
-t --type <TYPE> "Type of configuration: \"split\" or \"full\""
)
.required(false)
)
.arg(arg!(<PEER> "Name of the peer"))
)
// "add"
.subcommand(
Command::new("add")
.about("Add a new client to your VPN")
.arg(
arg!(
<NAME> "Name of the new client"
)
.required(true)
)
.arg(
arg!(
-i --ip <IP> "IP address (auto-assigned)"
)
.required(false)
)
)
// "rm"
.subcommand(
Command::new("rm")
.about("Remove a client from your VPN")
.arg(
arg!(
<NAME> "Name of the client to remove"
)
.required(true)
)
)
// "wg"
.subcommand(
Command::new("wg")
.about("Run 'wg', but with the client names")
)
.get_matches();
// Find the configuration file for wgmgr
let wgmgr_conf = match find_configuration_file(matches.get_one::<String>("config")) {
Ok(c) => c,
Err(e) => {
eprintln!("Could not find wgmgr configuration file. Place it at /etc/wgmgr.toml or use the --config flag.");
eprintln!("{:?}", e);
exit(1);
}
};
// Load the Wireguard configuration file
let mut wg_conf = match wg::config::WireguardConfig::new(&wgmgr_conf.wgconf) {
Ok(c) => c,
Err(e) => {
eprintln!("Error loading the Wireguard configuration file '{}'.", wgmgr_conf.wgconf);
eprintln!("{:?}", e);
exit(1);
}
};
match matches.subcommand() {
Some(("ls", _)) => {
list::run(&wg_conf);
}
Some(("config", args)) => {
match args.get_one::<String>("PEER") {
Some(peer_name) => {
let is_full = match args.get_one::<String>("type") {
Some(t) => {
match t.to_string().as_str() {
"split" => false,
"full" => true,
_ => {
eprintln!("Error: '--type' must be either 'split' or 'full'");
exit(3);
}
}
},
None => false
};
if let Err(e) = config::run(&wg_conf, &wgmgr_conf, peer_name.to_string(), is_full) {
eprintln!("Error generating configuration for {}: {:?}", peer_name.to_string(), e);
exit(1);
}
},
None => {}
}
},
Some(("add", args)) => {
let new_name = args.get_one::<String>("NAME").unwrap().to_string();
if let Err(e) = add::run(&mut wg_conf, wgmgr_conf.wgconf, &new_name, args.get_one::<String>("ip")) {
eprintln!("Error adding peer: {:?}", e);
exit(1);
}
else {
println!("Peer '{}' added successfully. Don't forget to restart your WireGuard server.", new_name);
}
},
Some(("rm", args)) => {
let rm_name = args.get_one::<String>("NAME").unwrap().to_string();
if let Err(e) = rm::run(&mut wg_conf, wgmgr_conf.wgconf, &rm_name) {
eprintln!("Error removing peer: {:?}", e);
exit(1);
}
println!("Client '{}' removed successfully. Don't forget to restart your WireGuard server.", rm_name);
},
Some(("wg", _)) => {
if let Err(e) = wgcmd::run(&wg_conf) {
eprintln!("{:?}", e);
exit(1);
}
}
_ => {
unimplemented!();
}
}
}
#[derive(Deserialize)]
pub struct Configuration {
pub endpoint: String,
pub wgconf: String,
pub port: Option<u32>,
pub dns: Option<String>,
}
pub fn find_configuration_file(argument: Option<&String>) -> Result<Configuration> {
match argument {
Some(p) => {
if let Ok(t) = read_to_string(p) {
let c: Configuration = toml::from_str(&t).context("parsing configuration file")?;
return Ok(c)
}
},
None => {
// Try /etc/wgmgr.toml
if let Ok(t) = read_to_string("/etc/wgmgr.toml") {
let c: Configuration = toml::from_str(&t).context("parsing /etc/wgmgr.toml")?;
return Ok(c)
}
},
};
Err(anyhow!("Could not find a valid configuration file for wgmgr."))
}
|
