4lDO2
738 lines
22 KiB
Rust
738 lines
22 KiB
Rust
#[macro_use]
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extern crate serde_derive;
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mod config;
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mod disk_wrapper;
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pub use crate::config::file::FileConfig;
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pub use crate::config::package::PackageConfig;
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pub use crate::config::Config;
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use crate::disk_wrapper::DiskWrapper;
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use anyhow::{bail, Result};
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use pkgutils::{Package, Repo};
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use rand::{rngs::OsRng, RngCore};
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use redoxfs::{unmount_path, Disk, DiskIo, FileSystem};
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use termion::input::TermRead;
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use std::{
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collections::BTreeMap,
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env, fs,
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io::{self, Seek, SeekFrom, Write},
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path::Path,
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process,
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sync::mpsc::channel,
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thread,
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time::{SystemTime, UNIX_EPOCH},
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};
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pub struct DiskOption<'a> {
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pub bootloader_bios: &'a [u8],
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pub bootloader_efi: &'a [u8],
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pub password_opt: Option<&'a [u8]>,
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pub efi_partition_size: Option<u32>, //MiB
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}
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const REMOTE: &'static str = "https://static.redox-os.org/pkg";
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fn get_target() -> String {
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env::var("TARGET").unwrap_or(
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option_env!("TARGET").map_or("x86_64-unknown-redox".to_string(), |x| x.to_string()),
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)
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}
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/// Converts a password to a serialized argon2rs hash, understandable
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/// by redox_users. If the password is blank, the hash is blank.
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fn hash_password(password: &str) -> Result<String> {
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if password != "" {
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let salt = format!("{:X}", OsRng.next_u64());
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let config = argon2::Config::default();
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let hash = argon2::hash_encoded(password.as_bytes(), salt.as_bytes(), &config)?;
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Ok(hash)
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} else {
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Ok("".into())
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}
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}
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fn syscall_error(err: syscall::Error) -> io::Error {
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io::Error::from_raw_os_error(err.errno)
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}
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/// Returns a password collected from the user (plaintext)
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fn prompt_password(prompt: &str, confirm_prompt: &str) -> Result<String> {
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let stdin = io::stdin();
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let mut stdin = stdin.lock();
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let stdout = io::stdout();
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let mut stdout = stdout.lock();
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print!("{}", prompt);
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let password = stdin.read_passwd(&mut stdout)?;
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print!("\n{}", confirm_prompt);
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let confirm_password = stdin.read_passwd(&mut stdout)?;
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// Note: Actually comparing two Option<String> values
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if confirm_password != password {
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bail!("passwords do not match");
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}
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Ok(password.unwrap_or("".to_string()))
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}
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//TODO: error handling
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fn install_packages(config: &Config, dest: &str, cookbook: Option<&str>) {
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let target = &get_target();
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let mut repo = Repo::new(target);
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repo.add_remote(REMOTE);
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if let Some(cookbook) = cookbook {
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let dest_pkg = format!("{}/pkg", dest);
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if !Path::new(&dest_pkg).exists() {
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fs::create_dir(&dest_pkg).unwrap();
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}
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for (packagename, package) in &config.packages {
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let pkgar_path = format!(
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"{cwd}/{cookbook}/repo/{target}/{packagename}.pkgar",
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cwd = env::current_dir().unwrap().to_string_lossy(),
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);
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enum Rule<'a> {
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RemotePrebuilt,
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LocalPrebuilt { pkg_path: &'a str },
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Build,
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}
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let rule = match (config.general.repo_binary, package) {
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(
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Some(true),
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PackageConfig::Empty
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| PackageConfig::Spec {
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version: None,
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git: None,
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path: None,
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pkg_path: None,
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},
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) => {
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// prebuilt
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Rule::RemotePrebuilt
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}
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(_, PackageConfig::Build(rule)) if rule == "binary" => Rule::RemotePrebuilt,
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(
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_,
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PackageConfig::Spec {
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pkg_path: Some(pkg_path),
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..
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},
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) => Rule::LocalPrebuilt {
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pkg_path: &*pkg_path,
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},
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_ => Rule::Build,
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};
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match rule {
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Rule::LocalPrebuilt { pkg_path } => {
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println!(
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"Installing package from local pkgar file: {packagename} <- `{pkg_path}`"
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);
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Package::from_path(pkg_path).unwrap().install(dest).unwrap();
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}
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Rule::RemotePrebuilt => {
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println!("Installing package from remote: {packagename}");
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repo.fetch(&packagename).unwrap().install(dest).unwrap();
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}
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Rule::Build if Path::new(&pkgar_path).exists() => {
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println!("Installing package from local repo: {}", packagename);
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let public_path = format!(
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"{cwd}/{cookbook}/build/id_ed25519.pub.toml",
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cwd = env::current_dir().unwrap().to_string_lossy(),
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);
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pkgar::extract(&public_path, &pkgar_path, dest).unwrap();
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let head_path = format!("{dest_pkg}/{packagename}.pkgar_head");
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pkgar::split(&public_path, &pkgar_path, &head_path, Option::<&str>::None)
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.unwrap();
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}
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Rule::Build => {
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println!("Installing package tar.gz from local repo: {packagename}");
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let path = format!(
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"{cwd}/{cookbook}/repo/{target}/{packagename}.tar.gz",
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cwd = env::current_dir().unwrap().to_string_lossy(),
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);
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Package::from_path(&path).unwrap().install(dest).unwrap();
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}
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}
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}
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} else {
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for (packagename, package) in &config.packages {
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let mut package = if let PackageConfig::Spec {
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pkg_path: Some(override_path),
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..
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} = package
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{
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println!("Installing package from local file: {}", packagename);
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Package::from_path(override_path).unwrap()
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} else {
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println!("Installing package from remote: {}", packagename);
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repo.fetch(&packagename).unwrap()
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};
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package.install(dest).unwrap();
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}
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}
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}
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pub fn install_dir(
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config: Config,
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output_dir: impl AsRef<Path>,
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cookbook: Option<&str>,
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) -> Result<()> {
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//let mut context = liner::Context::new();
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macro_rules! prompt {
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($dst:expr, $def:expr, $($arg:tt)*) => {
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if config.general.prompt.unwrap_or(true) {
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Err(io::Error::new(
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io::ErrorKind::Other,
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"prompt not currently supported",
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))
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// match unwrap_or_prompt($dst, &mut context, &format!($($arg)*)) {
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// Ok(res) => if res.is_empty() {
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// Ok($def)
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// } else {
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// Ok(res)
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// },
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// Err(err) => Err(err)
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// }
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} else {
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Ok($dst.unwrap_or($def))
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}
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};
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}
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let output_dir = output_dir.as_ref();
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let output_dir = output_dir.to_owned();
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for file in &config.files {
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file.create(&output_dir)?;
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}
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install_packages(&config, output_dir.to_str().unwrap(), cookbook);
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let mut passwd = String::new();
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let mut shadow = String::new();
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let mut next_uid = 1000;
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let mut next_gid = 1000;
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let mut groups = vec![];
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for (username, user) in config.users {
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// plaintext
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let password = if let Some(password) = user.password {
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password
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} else if config.general.prompt.unwrap_or(true) {
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prompt_password(
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&format!("{}: enter password: ", username),
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&format!("{}: confirm password: ", username),
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)?
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} else {
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String::new()
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};
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let uid = user.uid.unwrap_or(next_uid);
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if uid >= next_uid {
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next_uid = uid + 1;
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}
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let gid = user.gid.unwrap_or(next_gid);
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if gid >= next_gid {
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next_gid = gid + 1;
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}
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let name = prompt!(
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user.name,
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username.clone(),
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"{}: name (GECOS) [{}]: ",
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username,
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username
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)?;
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let home = prompt!(
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user.home,
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format!("/home/{}", username),
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"{}: home [/home/{}]: ",
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username,
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username
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)?;
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let shell = prompt!(
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user.shell,
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"/bin/ion".to_string(),
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"{}: shell [/bin/ion]: ",
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username
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)?;
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println!("Adding user {username}:");
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println!("\tPassword: {password}");
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println!("\tUID: {uid}");
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println!("\tGID: {gid}");
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println!("\tName: {name}");
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println!("\tHome: {home}");
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println!("\tShell: {shell}");
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FileConfig {
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path: home.clone(),
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data: String::new(),
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symlink: false,
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directory: true,
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mode: Some(0o0700),
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uid: Some(uid),
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gid: Some(gid),
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recursive_chown: true,
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}
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.create(&output_dir)?;
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if uid >= 1000 {
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// Create XDG user dirs
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//TODO: move to some autostart program?
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for xdg_folder in &[
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"Desktop",
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"Documents",
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"Downloads",
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"Music",
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"Pictures",
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"Public",
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"Templates",
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"Videos",
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".config",
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".local",
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".local/share",
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".local/share/Trash",
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".local/share/Trash/info",
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] {
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FileConfig {
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path: format!("{}/{}", home, xdg_folder),
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data: String::new(),
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symlink: false,
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directory: true,
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mode: Some(0o0700),
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uid: Some(uid),
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gid: Some(gid),
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recursive_chown: false,
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}
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.create(&output_dir)?;
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}
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FileConfig {
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path: format!("{}/.config/user-dirs.dirs", home),
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data: r#"# Produced by redox installer
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XDG_DESKTOP_DIR="$HOME/Desktop"
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XDG_DOCUMENTS_DIR="$HOME/Documents"
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XDG_DOWNLOAD_DIR="$HOME/Downloads"
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XDG_MUSIC_DIR="$HOME/Music"
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XDG_PICTURES_DIR="$HOME/Pictures"
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XDG_PUBLICSHARE_DIR="$HOME/Public"
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XDG_TEMPLATES_DIR="$HOME/Templates"
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XDG_VIDEOS_DIR="$HOME/Videos"
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"#
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.to_string(),
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symlink: false,
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directory: false,
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mode: Some(0o0600),
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uid: Some(uid),
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gid: Some(gid),
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recursive_chown: false,
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}
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.create(&output_dir)?;
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}
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let password = hash_password(&password)?;
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passwd.push_str(&format!("{username};{uid};{gid};{name};{home};{shell}\n",));
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shadow.push_str(&format!("{username};{password}\n"));
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groups.push((username.clone(), gid, vec![username]));
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}
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for (group, group_config) in config.groups {
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// FIXME this assumes there is no overlap between auto-created groups for users
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// and explicitly specified groups.
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let gid = group_config.gid.unwrap_or(next_gid);
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if gid >= next_gid {
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next_gid = gid + 1;
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}
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groups.push((group, gid, group_config.members));
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}
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if !passwd.is_empty() {
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FileConfig {
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path: "/etc/passwd".to_string(),
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data: passwd,
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symlink: false,
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directory: false,
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// Take defaults
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mode: None,
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uid: None,
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gid: None,
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recursive_chown: false,
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}
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.create(&output_dir)?;
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}
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if !shadow.is_empty() {
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FileConfig {
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path: "/etc/shadow".to_string(),
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data: shadow,
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symlink: false,
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directory: false,
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mode: Some(0o0600),
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uid: Some(0),
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gid: Some(0),
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recursive_chown: false,
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}
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.create(&output_dir)?;
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}
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if !groups.is_empty() {
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let mut groups_data = String::new();
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for (name, gid, members) in groups {
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use std::fmt::Write;
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writeln!(groups_data, "{name};x;{gid};{}", members.join(",")).unwrap();
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println!("Adding group {name}:");
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println!("\tGID: {gid}");
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println!("\tMembers: {}", members.join(", "));
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}
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FileConfig {
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path: "/etc/group".to_string(),
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data: groups_data,
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symlink: false,
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directory: false,
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// Take defaults
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mode: None,
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uid: None,
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gid: None,
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recursive_chown: false,
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}
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.create(&output_dir)?;
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}
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Ok(())
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}
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pub fn with_redoxfs<D, T, F>(disk: D, password_opt: Option<&[u8]>, callback: F) -> Result<T>
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where
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D: Disk + Send + 'static,
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F: FnOnce(&Path) -> Result<T>,
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{
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let mount_path = if cfg!(target_os = "redox") {
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format!("file.redox_installer_{}", process::id())
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} else {
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format!("/tmp/redox_installer_{}", process::id())
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};
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if cfg!(not(target_os = "redox")) {
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if !Path::new(&mount_path).exists() {
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fs::create_dir(&mount_path)?;
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}
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}
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let ctime = SystemTime::now().duration_since(UNIX_EPOCH)?;
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let fs = FileSystem::create(disk, password_opt, ctime.as_secs(), ctime.subsec_nanos())
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.map_err(syscall_error)?;
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let (tx, rx) = channel();
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let join_handle = {
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let mount_path = mount_path.clone();
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thread::spawn(move || {
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let res = redoxfs::mount(fs, &mount_path, |real_path| {
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tx.send(Ok(real_path.to_owned())).unwrap();
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});
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match res {
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Ok(()) => (),
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Err(err) => {
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tx.send(Err(err)).unwrap();
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}
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};
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})
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};
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let res = match rx.recv() {
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Ok(ok) => match ok {
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Ok(real_path) => callback(&real_path),
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Err(err) => return Err(err.into()),
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},
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Err(_) => {
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return Err(io::Error::new(
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io::ErrorKind::NotConnected,
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"redoxfs thread did not send a result",
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)
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.into())
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}
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};
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unmount_path(&mount_path)?;
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join_handle.join().unwrap();
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if cfg!(not(target_os = "redox")) {
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fs::remove_dir_all(&mount_path)?;
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}
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|
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res
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}
|
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|
|
pub fn fetch_bootloaders(
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config: &Config,
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cookbook: Option<&str>,
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live: bool,
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) -> Result<(Vec<u8>, Vec<u8>)> {
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let bootloader_dir = format!("/tmp/redox_installer_bootloader_{}", process::id());
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|
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if Path::new(&bootloader_dir).exists() {
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fs::remove_dir_all(&bootloader_dir)?;
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}
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fs::create_dir(&bootloader_dir)?;
|
|
|
|
let mut bootloader_config = Config::default();
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|
bootloader_config.general = config.general.clone();
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|
bootloader_config
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|
.packages
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|
.insert("bootloader".to_string(), PackageConfig::default());
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install_packages(&bootloader_config, &bootloader_dir, cookbook);
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|
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let boot_dir = Path::new(&bootloader_dir).join("boot");
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let bios_path = boot_dir.join(if live {
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"bootloader-live.bios"
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} else {
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"bootloader.bios"
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});
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let efi_path = boot_dir.join(if live {
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"bootloader-live.efi"
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} else {
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"bootloader.efi"
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});
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let bios_data = if bios_path.exists() {
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fs::read(bios_path)?
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} else {
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Vec::new()
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};
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let efi_data = if efi_path.exists() {
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fs::read(efi_path)?
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} else {
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Vec::new()
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|
};
|
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|
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fs::remove_dir_all(&bootloader_dir)?;
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|
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Ok((bios_data, efi_data))
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|
}
|
|
|
|
//TODO: make bootloaders use Option, dynamically create BIOS and EFI partitions
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|
pub fn with_whole_disk<P, F, T>(disk_path: P, disk_option: &DiskOption, callback: F) -> Result<T>
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|
where
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|
P: AsRef<Path>,
|
|
F: FnOnce(&Path) -> Result<T>,
|
|
{
|
|
let target = get_target();
|
|
|
|
let bootloader_efi_name = match target.as_str() {
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|
"aarch64-unknown-redox" => "BOOTAA64.EFI",
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|
"i686-unknown-redox" => "BOOTIA32.EFI",
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|
"x86_64-unknown-redox" => "BOOTX64.EFI",
|
|
_ => {
|
|
bail!("target '{target}' not supported");
|
|
}
|
|
};
|
|
|
|
// Open disk and read metadata
|
|
eprintln!("Opening disk {}", disk_path.as_ref().display());
|
|
let mut disk_file = DiskWrapper::open(disk_path.as_ref())?;
|
|
let disk_size = disk_file.size();
|
|
let block_size = disk_file.block_size() as u64;
|
|
let gpt_block_size = match block_size {
|
|
512 => gpt::disk::LogicalBlockSize::Lb512,
|
|
_ => {
|
|
// TODO: support (and test) other block sizes
|
|
bail!("block size {block_size} not supported");
|
|
}
|
|
};
|
|
|
|
// Calculate partition offsets
|
|
let gpt_reserved = 34 * 512; // GPT always reserves 34 512-byte sectors
|
|
let mibi = 1024 * 1024;
|
|
|
|
// First megabyte of the disk is reserved for BIOS partition, wich includes GPT tables
|
|
let bios_start = gpt_reserved / block_size;
|
|
let bios_end = (mibi / block_size) - 1;
|
|
|
|
// Second megabyte of the disk is reserved for EFI partition
|
|
let efi_start = bios_end + 1;
|
|
let efi_size = if let Some(size) = disk_option.efi_partition_size {
|
|
size as u64
|
|
} else {
|
|
1
|
|
};
|
|
let efi_end = efi_start + (efi_size * mibi / block_size) - 1;
|
|
|
|
// The rest of the disk is RedoxFS, reserving the GPT table mirror at the end of disk
|
|
let redoxfs_start = efi_end + 1;
|
|
let redoxfs_end = ((((disk_size - gpt_reserved) / mibi) * mibi) / block_size) - 1;
|
|
|
|
// Format and install BIOS partition
|
|
{
|
|
// Write BIOS bootloader to disk
|
|
eprintln!(
|
|
"Write bootloader with size {:#x}",
|
|
disk_option.bootloader_bios.len()
|
|
);
|
|
disk_file.seek(SeekFrom::Start(0))?;
|
|
disk_file.write_all(&disk_option.bootloader_bios)?;
|
|
|
|
// Replace MBR tables with protective MBR
|
|
// TODO: div_ceil
|
|
let mbr_blocks = ((disk_size + block_size - 1) / block_size) - 1;
|
|
eprintln!("Writing protective MBR with disk blocks {mbr_blocks:#x}");
|
|
gpt::mbr::ProtectiveMBR::with_lb_size(mbr_blocks as u32)
|
|
.update_conservative(&mut disk_file)?;
|
|
|
|
// Open disk, mark it as not initialized
|
|
let mut gpt_disk = gpt::GptConfig::new()
|
|
.initialized(false)
|
|
.writable(true)
|
|
.logical_block_size(gpt_block_size)
|
|
.create_from_device(Box::new(&mut disk_file), None)?;
|
|
|
|
// Add BIOS boot partition
|
|
let mut partitions = BTreeMap::new();
|
|
let mut partition_id = 1;
|
|
partitions.insert(
|
|
partition_id,
|
|
gpt::partition::Partition {
|
|
part_type_guid: gpt::partition_types::BIOS,
|
|
part_guid: uuid::Uuid::new_v4(),
|
|
first_lba: bios_start,
|
|
last_lba: bios_end,
|
|
flags: 0, // TODO
|
|
name: "BIOS".to_string(),
|
|
},
|
|
);
|
|
partition_id += 1;
|
|
|
|
// Add EFI boot partition
|
|
partitions.insert(
|
|
partition_id,
|
|
gpt::partition::Partition {
|
|
part_type_guid: gpt::partition_types::EFI,
|
|
part_guid: uuid::Uuid::new_v4(),
|
|
first_lba: efi_start,
|
|
last_lba: efi_end,
|
|
flags: 0, // TODO
|
|
name: "EFI".to_string(),
|
|
},
|
|
);
|
|
partition_id += 1;
|
|
|
|
// Add RedoxFS partition
|
|
partitions.insert(
|
|
partition_id,
|
|
gpt::partition::Partition {
|
|
//TODO: Use REDOX_REDOXFS type (needs GPT crate changes)
|
|
part_type_guid: gpt::partition_types::LINUX_FS,
|
|
part_guid: uuid::Uuid::new_v4(),
|
|
first_lba: redoxfs_start,
|
|
last_lba: redoxfs_end,
|
|
flags: 0,
|
|
name: "REDOX".to_string(),
|
|
},
|
|
);
|
|
|
|
eprintln!("Writing GPT tables: {partitions:#?}");
|
|
|
|
// Initialize GPT table
|
|
gpt_disk.update_partitions(partitions)?;
|
|
|
|
// Write partition layout, returning disk file
|
|
gpt_disk.write()?;
|
|
}
|
|
|
|
// Format and install EFI partition
|
|
{
|
|
let disk_efi_start = efi_start * block_size;
|
|
let disk_efi_end = (efi_end + 1) * block_size;
|
|
let mut disk_efi =
|
|
fscommon::StreamSlice::new(&mut disk_file, disk_efi_start, disk_efi_end)?;
|
|
|
|
eprintln!(
|
|
"Formatting EFI partition with size {:#x}",
|
|
disk_efi_end - disk_efi_start
|
|
);
|
|
fatfs::format_volume(&mut disk_efi, fatfs::FormatVolumeOptions::new())?;
|
|
|
|
eprintln!("Opening EFI partition");
|
|
let fs = fatfs::FileSystem::new(&mut disk_efi, fatfs::FsOptions::new())?;
|
|
|
|
eprintln!("Creating EFI directory");
|
|
let root_dir = fs.root_dir();
|
|
root_dir.create_dir("EFI")?;
|
|
|
|
eprintln!("Creating EFI/BOOT directory");
|
|
let efi_dir = root_dir.open_dir("EFI")?;
|
|
efi_dir.create_dir("BOOT")?;
|
|
|
|
eprintln!(
|
|
"Writing EFI/BOOT/{} file with size {:#x}",
|
|
bootloader_efi_name,
|
|
disk_option.bootloader_efi.len()
|
|
);
|
|
let boot_dir = efi_dir.open_dir("BOOT")?;
|
|
let mut file = boot_dir.create_file(bootloader_efi_name)?;
|
|
file.truncate()?;
|
|
file.write_all(&disk_option.bootloader_efi)?;
|
|
}
|
|
|
|
// Format and install RedoxFS partition
|
|
eprintln!(
|
|
"Installing to RedoxFS partition with size {:#x}",
|
|
(redoxfs_end - redoxfs_start) * block_size
|
|
);
|
|
let disk_redoxfs = DiskIo(fscommon::StreamSlice::new(
|
|
disk_file,
|
|
redoxfs_start * block_size,
|
|
(redoxfs_end + 1) * block_size,
|
|
)?);
|
|
with_redoxfs(disk_redoxfs, disk_option.password_opt, callback)
|
|
}
|
|
|
|
fn install_inner(config: Config, output: &Path, cookbook: Option<&str>, live: bool) -> Result<()> {
|
|
println!("Install {config:#?} to {}", output.display());
|
|
|
|
if output.is_dir() {
|
|
install_dir(config, output, cookbook)
|
|
} else {
|
|
let (bootloader_bios, bootloader_efi) = fetch_bootloaders(&config, cookbook, live)?;
|
|
let disk_option = DiskOption {
|
|
bootloader_bios: &bootloader_bios,
|
|
bootloader_efi: &bootloader_efi,
|
|
password_opt: None,
|
|
efi_partition_size: config.general.efi_partition_size,
|
|
};
|
|
with_whole_disk(output, &disk_option, move |mount_path| {
|
|
install_dir(config, mount_path, cookbook)
|
|
})
|
|
}
|
|
}
|
|
pub fn install(
|
|
config: Config,
|
|
output: impl AsRef<Path>,
|
|
cookbook: Option<&str>,
|
|
live: bool,
|
|
) -> Result<()> {
|
|
install_inner(config, output.as_ref(), cookbook, live)
|
|
}
|