69 lines
1.8 KiB
Rust
69 lines
1.8 KiB
Rust
use std::path::PathBuf;
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use clap::Parser;
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use common::{logging::enable_logger, rfc6052::parse_network_specific_prefix};
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use ipnet::{Ipv4Net, Ipv6Net};
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use nix::unistd::Uid;
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mod common;
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#[derive(Parser)]
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#[clap(author, version, about="Fast and simple NAT64", long_about = None)]
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struct Args {
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/// RFC6052 IPv6 translation prefix
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#[clap(long, default_value_t = ("64:ff9b::/96").parse().unwrap(), value_parser = parse_network_specific_prefix)]
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translation_prefix: Ipv6Net,
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#[command(flatten)]
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pool: PoolArgs,
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/// A CSV file containing static address mappings from IPv6 to IPv4
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#[clap(long = "static-file")]
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static_file: Option<PathBuf>,
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/// NAT reservation timeout in seconds
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#[clap(long, default_value = "7200")]
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reservation_timeout: u64,
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/// Explicitly set the interface name to use
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#[clap(short, long, default_value_t = ("nat%d").to_string())]
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interface: String,
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/// Enable verbose logging
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#[clap(short, long)]
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verbose: bool,
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}
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#[derive(clap::Args)]
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#[group(required = true, multiple = false)]
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struct PoolArgs {
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/// IPv4 prefixes to use as NAT pool address space
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#[clap(long = "pool-add")]
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pool_prefixes: Vec<Ipv4Net>,
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/// A file containing newline-delimited IPv4 prefixes to use as NAT pool address space
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#[clap(long = "pool-file", conflicts_with = "pool_prefixes")]
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pool_file: Option<PathBuf>,
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}
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impl PoolArgs {
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pub fn prefixes(&self) -> Result<Vec<Ipv4Net>, std::io::Error> {
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todo!()
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}
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}
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#[tokio::main]
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pub async fn main() {
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// Parse CLI args
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let args = Args::parse();
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// Initialize logging
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enable_logger(args.verbose);
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// We must be root to continue program execution
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if !Uid::effective().is_root() {
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log::error!("This program must be run as root");
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std::process::exit(1);
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}
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}
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