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#[cfg(feature = "crypto_openssl")]
mod openssl_server;
#[cfg(feature = "crypto_openssl")]
use crate::openssl_server::start as server_start;
use acme_common::crypto::{get_lib_name, get_lib_version, HashFunction, KeyType, X509Certificate};
use acme_common::error::Error;
use acme_common::logs::{set_log_system, DEFAULT_LOG_LEVEL};
use acme_common::{clean_pid_file, to_idna};
use clap::builder::PossibleValuesParser;
use clap::{Arg, ArgAction, ArgMatches, Command};
use log::{debug, error, info};
use std::fs::File;
use std::io::{self, Read};
const APP_NAME: &str = env!("CARGO_PKG_NAME");
const APP_VERSION: &str = env!("CARGO_PKG_VERSION");
const DEFAULT_PID_FILE: &str = env!("TACD_DEFAULT_PID_FILE");
const DEFAULT_LISTEN_ADDR: &str = "127.0.0.1:5001";
const DEFAULT_CRT_KEY_TYPE: KeyType = KeyType::EcdsaP256;
const DEFAULT_CRT_DIGEST: HashFunction = HashFunction::Sha256;
const ALPN_ACME_PROTO_NAME: &[u8] = b"\x0aacme-tls/1";
fn read_line(path: Option<&String>) -> Result<String, Error> {
let mut input = String::new();
match path {
Some(p) => File::open(p)?.read_to_string(&mut input)?,
None => io::stdin().read_line(&mut input)?,
};
let line = input.trim().to_string();
Ok(line)
}
fn get_acme_value(cnf: &ArgMatches, opt: &str, opt_file: &str) -> Result<String, Error> {
match cnf.get_one::<String>(opt) {
Some(v) => Ok(v.to_string()),
None => {
debug!(
"reading {} from {}",
opt,
cnf.get_one::<String>(opt_file)
.map(|e| e.as_str())
.unwrap_or("stdin")
);
read_line(cnf.get_one::<String>(opt_file))
}
}
}
fn init(cnf: &ArgMatches) -> Result<(), Error> {
acme_common::init_server(
cnf.get_flag("foreground"),
cnf.get_one::<String>("pid-file").map(|e| e.as_str()),
);
let domain = get_acme_value(cnf, "domain", "domain-file")?;
let domain = to_idna(&domain)?;
let ext = get_acme_value(cnf, "acme-ext", "acme-ext-file")?;
let listen_addr = cnf
.get_one::<String>("listen")
.map(|e| e.as_str())
.unwrap_or(DEFAULT_LISTEN_ADDR);
let crt_signature_alg = match cnf.get_one::<&str>("crt-signature-alg") {
Some(alg) => alg.parse()?,
None => DEFAULT_CRT_KEY_TYPE,
};
let crt_digest = match cnf.get_one::<&str>("crt-digest") {
Some(alg) => alg.parse()?,
None => DEFAULT_CRT_DIGEST,
};
let (pk, cert) = X509Certificate::from_acme_ext(&domain, &ext, crt_signature_alg, crt_digest)?;
info!("starting {} on {} for {}", APP_NAME, listen_addr, domain);
server_start(listen_addr, &cert, &pk)?;
Ok(())
}
fn main() {
let full_version = format!(
"{} built for {}\n\nCryptographic library:\n - {} {}",
APP_VERSION,
env!("TACD_TARGET"),
get_lib_name(),
get_lib_version(),
);
let default_crt_key_type = DEFAULT_CRT_KEY_TYPE.to_string();
let default_crt_digest = DEFAULT_CRT_DIGEST.to_string();
let default_log_level = DEFAULT_LOG_LEVEL.to_string().to_lowercase();
let matches = Command::new(APP_NAME)
.version(APP_VERSION)
.long_version(full_version)
.arg(
Arg::new("listen")
.long("listen")
.short('l')
.help("Host and port to listen on")
.num_args(1)
.value_name("host:port|unix:path")
.default_value(DEFAULT_LISTEN_ADDR),
)
.arg(
Arg::new("domain")
.long("domain")
.short('d')
.help("The domain that is being validated")
.num_args(1)
.value_name("STRING")
.conflicts_with("domain-file"),
)
.arg(
Arg::new("domain-file")
.long("domain-file")
.help("File from which is read the domain that is being validated")
.num_args(1)
.value_name("FILE")
.conflicts_with("domain"),
)
.arg(
Arg::new("acme-ext")
.long("acme-ext")
.short('e')
.help("The acmeIdentifier extension to set in the self-signed certificate")
.num_args(1)
.value_name("STRING")
.conflicts_with("acme-ext-file"),
)
.arg(
Arg::new("acme-ext-file")
.long("acme-ext-file")
.help("File from which is read the acmeIdentifier extension to set in the self-signed certificate")
.num_args(1)
.value_name("FILE")
.conflicts_with("acme-ext"),
)
.arg(
Arg::new("crt-signature-alg")
.long("crt-signature-alg")
.help("The certificate's signature algorithm")
.num_args(1)
.value_name("STRING")
.value_parser(PossibleValuesParser::new(KeyType::list_possible_values()))
.default_value(default_crt_key_type),
)
.arg(
Arg::new("crt-digest")
.long("crt-digest")
.help("The certificate's digest algorithm")
.num_args(1)
.value_name("STRING")
.value_parser(PossibleValuesParser::new(HashFunction::list_possible_values()))
.default_value(default_crt_digest),
)
.arg(
Arg::new("log-level")
.long("log-level")
.help("Specify the log level")
.num_args(1)
.value_name("LEVEL")
.value_parser(["error", "warn", "info", "debug", "trace"])
.default_value(default_log_level),
)
.arg(
Arg::new("to-syslog")
.long("log-syslog")
.help("Sends log messages via syslog")
.conflicts_with("to-stderr")
.action(ArgAction::SetTrue),
)
.arg(
Arg::new("to-stderr")
.long("log-stderr")
.help("Prints log messages to the standard error output")
.conflicts_with("to-syslog")
.action(ArgAction::SetTrue),
)
.arg(
Arg::new("foreground")
.long("foreground")
.short('f')
.help("Runs in the foreground")
.action(ArgAction::SetTrue),
)
.arg(
Arg::new("pid-file")
.long("pid-file")
.help("Path to the PID file")
.num_args(1)
.value_name("FILE")
.default_value(DEFAULT_PID_FILE)
.default_value_if("no-pid-file", clap::builder::ArgPredicate::IsPresent, None)
.conflicts_with("no-pid-file"),
)
.arg(
Arg::new("no-pid-file")
.long("no-pid-file")
.help("Do not create any PID file")
.conflicts_with("pid-file")
.action(ArgAction::SetTrue),
)
.get_matches();
match set_log_system(
matches.get_one::<String>("log-level").map(|e| e.as_str()),
matches.get_flag("to-syslog"),
matches.get_flag("to-stderr"),
) {
Ok(_) => {}
Err(e) => {
eprintln!("Error: {}", e);
std::process::exit(2);
}
};
match init(&matches) {
Ok(_) => {}
Err(e) => {
error!("{}", e);
let pid_file = matches.get_one::<String>("pid-file").map(|e| e.as_str());
let _ = clean_pid_file(pid_file);
std::process::exit(1);
}
};
}
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