Red Bear OS installer baseline from 0.1.0 pre-patched archive
This commit is contained in:
Red Bear OS
@@ -0,0 +1,855 @@
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use anyhow::Context;
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use anyhow::{bail, Result};
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use pkg::Library;
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use rand::{rngs::OsRng, TryRngCore};
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use redoxfs::{unmount_path, Disk, DiskIo, FileSystem, BLOCK_SIZE};
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use termion::input::TermRead;
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use crate::config::file::FileConfig;
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use crate::config::package::PackageConfig;
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use crate::config::Config;
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use crate::disk_wrapper::DiskWrapper;
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use std::{
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cell::RefCell,
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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, PathBuf},
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process,
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rc::Rc,
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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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pub skip_partitions: bool,
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}
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fn get_target() -> String {
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// TODO: Configurable from filesystem config?
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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.is_empty() {
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let salt = format!("{:X}", OsRng.try_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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pub fn prompt_password(prompt: &str, confirm_prompt: &str) -> Result<Option<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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for i in 0..3 {
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print!("{}", prompt);
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let mut password = stdin.read_passwd(&mut stdout)?;
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if let Some(password) = password.as_mut() {
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*password = password.trim().to_string();
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}
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password.take_if(|s| s.is_empty());
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if password.is_none() {
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return Ok(None);
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}
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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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return Ok(password);
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} else if i < 2 {
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eprintln!("passwords do not match, please try again");
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}
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}
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bail!("passwords do not match, giving up");
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}
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fn install_packages(config: &Config, dest: &Path, cookbook: Option<&str>) -> anyhow::Result<()> {
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let target = &get_target();
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let packages: Vec<&String> = config
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.packages
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.iter()
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.filter_map(|(packagename, package)| match package {
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PackageConfig::Build(rule) if rule == "ignore" => None,
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_ => Some(packagename),
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})
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.collect();
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let mut library = if let Some(cookbook) = cookbook {
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let callback = pkg::callback::PlainCallback::new();
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let repo = Path::new(cookbook).join("repo");
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let pubkey = Path::new(cookbook).join("build");
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Library::new_local(
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repo,
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pubkey,
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dest.to_path_buf(),
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target,
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Rc::new(RefCell::new(callback)),
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)
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} else {
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let callback = pkg::callback::IndicatifCallback::new();
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Library::new_remote(
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&vec!["https://static.redox-os.org/pkg"],
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dest,
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target,
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Rc::new(RefCell::new(callback)),
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)
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}?;
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let packages = pkg::PackageName::from_list(packages)?;
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library.install(packages)?;
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library.apply()?;
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Ok(())
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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 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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if !file.postinstall {
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file.create(&output_dir)?;
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}
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}
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install_packages(&config, &output_dir, cookbook)?;
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for file in &config.files {
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if file.postinstall {
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file.create(&output_dir)?;
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}
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}
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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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.unwrap_or_default()
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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 = user.name.unwrap_or(username.clone());
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let home = user.home.unwrap_or(format!("/home/{}", username));
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let shell = user.shell.unwrap_or("/bin/ion".into());
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println!("Adding user {username}:");
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if password.is_empty() {
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println!("\tPassword: unset");
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} else {
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println!("\tPassword: set");
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}
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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::new_directory(home.clone())
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.with_recursive_mod(0o700, uid, gid)
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.create(&output_dir)?;
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if uid >= 1000 {
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prepare_user_home(&output_dir, uid, gid, &home)?;
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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::new_file("/etc/passwd".to_string(), passwd).create(&output_dir)?;
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}
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if !shadow.is_empty() {
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FileConfig::new_file("/etc/shadow".to_string(), shadow)
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.with_mod(0o0600, 0, 0)
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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(","))?;
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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::new_file("/etc/group".to_string(), groups_data)
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.with_mod(0o0600, 0, 0)
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.create(&output_dir)?;
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}
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Ok(())
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}
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fn prepare_user_home(
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output_dir: &PathBuf,
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uid: u32,
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gid: u32,
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home: &String,
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) -> Result<(), anyhow::Error> {
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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::new_directory(format!("{}/{}", home, xdg_folder))
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.with_mod(0o0700, uid, gid)
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.create(output_dir)?;
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}
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FileConfig::new_file(
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format!("{}/.config/user-dirs.dirs", home),
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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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)
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.with_mod(0o0600, uid, gid)
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.create(output_dir)?;
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let skel_dir = output_dir.join("etc/skel");
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if skel_dir.is_dir() {
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copy_dir_all(&skel_dir, home.clone(), output_dir, uid, gid)?;
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}
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Ok(())
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}
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fn copy_dir_all(
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src: impl AsRef<Path>,
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dst: String,
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output_dir: &Path,
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uid: u32,
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gid: u32,
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) -> anyhow::Result<()> {
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if !Path::new(dst.as_str()).is_dir() {
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FileConfig::new_directory(dst.clone())
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.with_mod(0o0700, uid, gid)
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.create(&output_dir)?;
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}
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for entry in fs::read_dir(src)? {
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let entry = entry?;
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let file_type = entry.file_type()?;
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let dst_path = format!("{}/{}", dst, entry.file_name().display());
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if file_type.is_dir() {
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copy_dir_all(entry.path(), dst_path, output_dir, uid, gid)?;
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} else if file_type.is_file() {
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FileConfig::new_file(
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dst_path,
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fs::read_to_string(entry.path())
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.with_context(|| format!("Reading {}", entry.path().display()))?,
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)
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.with_mod(0o0600, uid, gid)
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.create(&output_dir)?;
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} else if file_type.is_symlink() {
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// TODO
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}
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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(FileSystem<D>) -> Result<T>,
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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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callback(fs)
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}
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fn decide_mount_path(mount_path: Option<&Path>) -> PathBuf {
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let mount_path = mount_path.map(|p| p.to_path_buf()).unwrap_or_else(|| {
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PathBuf::from(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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});
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mount_path
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}
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pub fn with_redoxfs_mount<D, T, F>(
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fs: FileSystem<D>,
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mount_path: Option<&Path>,
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callback: F,
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) -> 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 = decide_mount_path(mount_path);
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if cfg!(not(target_os = "redox")) && !mount_path.exists() {
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fs::create_dir(&mount_path)?;
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}
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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.as_os_str().to_str().unwrap())?;
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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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res
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}
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pub fn with_redoxfs_ar<D, T, F>(
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mut fs: FileSystem<D>,
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mount_path: Option<&Path>,
|
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callback: F,
|
||||
) -> Result<T>
|
||||
where
|
||||
D: Disk + Send + 'static,
|
||||
F: FnOnce(&Path) -> Result<T>,
|
||||
{
|
||||
let mount_path = decide_mount_path(mount_path);
|
||||
|
||||
let res = callback(Path::new(&mount_path));
|
||||
|
||||
if res.is_ok() {
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let _end_block = fs
|
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.tx(|tx| {
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// Archive_at root node
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redoxfs::archive_at(tx, Path::new(&mount_path), redoxfs::TreePtr::root())
|
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.map_err(|err| syscall::Error::new(err.raw_os_error().unwrap()))?;
|
||||
|
||||
// Squash alloc log
|
||||
tx.sync(true)?;
|
||||
|
||||
let end_block = tx.header.size() / BLOCK_SIZE;
|
||||
/* TODO: Cut off any free blocks at the end of the filesystem
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||||
let mut end_changed = true;
|
||||
while end_changed {
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end_changed = false;
|
||||
|
||||
let allocator = fs.allocator();
|
||||
let levels = allocator.levels();
|
||||
for level in 0..levels.len() {
|
||||
let level_size = 1 << level;
|
||||
for &block in levels[level].iter() {
|
||||
if block < end_block && block + level_size >= end_block {
|
||||
end_block = block;
|
||||
end_changed = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
// Update header
|
||||
tx.header.size = (end_block * BLOCK_SIZE).into();
|
||||
tx.header_changed = true;
|
||||
tx.sync(false)?;
|
||||
|
||||
Ok(end_block)
|
||||
})
|
||||
.map_err(syscall_error)?;
|
||||
|
||||
// let size = (fs.block + end_block) * BLOCK_SIZE;
|
||||
// fs.disk.file.set_len(size)?;
|
||||
}
|
||||
|
||||
fs::remove_dir_all(&mount_path)?;
|
||||
|
||||
res
|
||||
}
|
||||
|
||||
pub fn fetch_bootloaders(
|
||||
config: &Config,
|
||||
cookbook: Option<&str>,
|
||||
live: bool,
|
||||
) -> Result<(Vec<u8>, Vec<u8>)> {
|
||||
let bootloader_dir =
|
||||
PathBuf::from(format!("/tmp/redox_installer_bootloader_{}", process::id()));
|
||||
|
||||
if bootloader_dir.exists() {
|
||||
fs::remove_dir_all(&bootloader_dir)?;
|
||||
}
|
||||
|
||||
fs::create_dir(&bootloader_dir)?;
|
||||
|
||||
let mut bootloader_config = Config::bootloader_config();
|
||||
bootloader_config.general = config.general.clone();
|
||||
install_packages(&bootloader_config, &bootloader_dir, cookbook)?;
|
||||
|
||||
let boot_dir = bootloader_dir.join("usr/lib/boot");
|
||||
let bios_path = boot_dir.join(if live {
|
||||
"bootloader-live.bios"
|
||||
} else {
|
||||
"bootloader.bios"
|
||||
});
|
||||
let efi_path = boot_dir.join(if live {
|
||||
"bootloader-live.efi"
|
||||
} else {
|
||||
"bootloader.efi"
|
||||
});
|
||||
|
||||
let bios_data = if bios_path.exists() {
|
||||
fs::read(bios_path)?
|
||||
} else {
|
||||
Vec::new()
|
||||
};
|
||||
let efi_data = if efi_path.exists() {
|
||||
fs::read(efi_path)?
|
||||
} else {
|
||||
Vec::new()
|
||||
};
|
||||
|
||||
fs::remove_dir_all(&bootloader_dir)?;
|
||||
|
||||
Ok((bios_data, efi_data))
|
||||
}
|
||||
|
||||
//TODO: make bootloaders use Option, dynamically create BIOS and EFI partitions
|
||||
pub fn with_whole_disk<P, F, T>(disk_path: P, disk_option: &DiskOption, callback: F) -> Result<T>
|
||||
where
|
||||
P: AsRef<Path>,
|
||||
F: FnOnce(FileSystem<DiskIo<fscommon::StreamSlice<DiskWrapper>>>) -> Result<T>,
|
||||
{
|
||||
let target = get_target();
|
||||
|
||||
let bootloader_efi_name = match target.as_str() {
|
||||
"aarch64-unknown-redox" => "BOOTAA64.EFI",
|
||||
"i586-unknown-redox" | "i686-unknown-redox" => "BOOTIA32.EFI",
|
||||
"x86_64-unknown-redox" => "BOOTX64.EFI",
|
||||
"riscv64gc-unknown-redox" => "BOOTRISCV64.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;
|
||||
|
||||
if disk_option.skip_partitions {
|
||||
return with_redoxfs(
|
||||
DiskIo(fscommon::StreamSlice::new(
|
||||
disk_file,
|
||||
0,
|
||||
disk_size.next_multiple_of(block_size),
|
||||
)?),
|
||||
disk_option.password_opt,
|
||||
callback,
|
||||
);
|
||||
}
|
||||
|
||||
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)
|
||||
}
|
||||
|
||||
#[cfg(not(target_os = "redox"))]
|
||||
pub fn try_fast_install<D: redoxfs::Disk, F: FnMut(u64, u64)>(
|
||||
_fs: &mut redoxfs::FileSystem<D>,
|
||||
_progress: F,
|
||||
) -> Result<bool> {
|
||||
Ok(false)
|
||||
}
|
||||
|
||||
/// Try fast install using live disk memory
|
||||
#[cfg(target_os = "redox")]
|
||||
pub fn try_fast_install<D: redoxfs::Disk, F: FnMut(u64, u64)>(
|
||||
fs: &mut redoxfs::FileSystem<D>,
|
||||
mut progress: F,
|
||||
) -> Result<bool> {
|
||||
use libredox::{call::MmapArgs, flag};
|
||||
use std::os::fd::AsRawFd;
|
||||
use syscall::PAGE_SIZE;
|
||||
|
||||
let phys = env::var("DISK_LIVE_ADDR")
|
||||
.ok()
|
||||
.and_then(|x| usize::from_str_radix(&x, 16).ok())
|
||||
.unwrap_or(0);
|
||||
let size = env::var("DISK_LIVE_SIZE")
|
||||
.ok()
|
||||
.and_then(|x| usize::from_str_radix(&x, 16).ok())
|
||||
.unwrap_or(0);
|
||||
if phys == 0 || size == 0 {
|
||||
return Ok(false);
|
||||
}
|
||||
|
||||
let start = (phys / PAGE_SIZE) * PAGE_SIZE;
|
||||
let end = phys
|
||||
.checked_add(size)
|
||||
.context("phys + size overflow")?
|
||||
.next_multiple_of(PAGE_SIZE);
|
||||
let size = end - start;
|
||||
|
||||
let original = unsafe {
|
||||
//TODO: unmap this memory
|
||||
let file = fs::File::open("/scheme/memory/physical")?;
|
||||
let base = libredox::call::mmap(MmapArgs {
|
||||
fd: file.as_raw_fd() as usize,
|
||||
addr: core::ptr::null_mut(),
|
||||
offset: start as u64,
|
||||
length: size,
|
||||
prot: flag::PROT_READ,
|
||||
flags: flag::MAP_SHARED,
|
||||
})
|
||||
.map_err(|err| anyhow::anyhow!("failed to mmap livedisk: {}", err))?;
|
||||
|
||||
std::slice::from_raw_parts(base as *const u8, size)
|
||||
};
|
||||
|
||||
struct DiskLive {
|
||||
original: &'static [u8],
|
||||
}
|
||||
|
||||
impl redoxfs::Disk for DiskLive {
|
||||
unsafe fn read_at(&mut self, block: u64, buffer: &mut [u8]) -> syscall::Result<usize> {
|
||||
let offset = (block * redoxfs::BLOCK_SIZE) as usize;
|
||||
if offset + buffer.len() > self.original.len() {
|
||||
return Err(syscall::Error::new(syscall::EINVAL));
|
||||
}
|
||||
buffer.copy_from_slice(&self.original[offset..offset + buffer.len()]);
|
||||
Ok(buffer.len())
|
||||
}
|
||||
|
||||
unsafe fn write_at(&mut self, _block: u64, _buffer: &[u8]) -> syscall::Result<usize> {
|
||||
Err(syscall::Error::new(syscall::EINVAL))
|
||||
}
|
||||
|
||||
fn size(&mut self) -> syscall::Result<u64> {
|
||||
Ok(self.original.len() as u64)
|
||||
}
|
||||
}
|
||||
|
||||
let mut fs_old = redoxfs::FileSystem::open(DiskLive { original }, None, None, false)?;
|
||||
let size_old = fs_old.header.size();
|
||||
let free_old = fs_old.allocator().free() * redoxfs::BLOCK_SIZE;
|
||||
let used_old = size_old - free_old;
|
||||
redoxfs::clone(&mut fs_old, fs, move |used| {
|
||||
progress(used, used_old);
|
||||
})?;
|
||||
|
||||
Ok(true)
|
||||
}
|
||||
|
||||
fn install_inner(config: Config, output: &Path) -> Result<()> {
|
||||
println!("Installing to {}:\n{}", output.display(), config);
|
||||
let cookbook = config.general.cookbook.clone();
|
||||
let cookbook = cookbook.as_ref().map(|p| p.as_str());
|
||||
if output.is_dir() {
|
||||
install_dir(config, output, cookbook)
|
||||
} else {
|
||||
if !output.is_file() {
|
||||
let fs_size = config.general.filesystem_size.unwrap_or(0) as u64;
|
||||
// arbitrary size approximately fit just for initfs
|
||||
if fs_size < 32 {
|
||||
bail!("Refusing to create image disk less than 32 MB");
|
||||
}
|
||||
eprintln!(
|
||||
"Creating a new file to {} with size {} MB",
|
||||
output.display(),
|
||||
fs_size
|
||||
);
|
||||
let file = fs::File::create(output)?;
|
||||
file.set_len(fs_size * 1024 * 1024)?;
|
||||
}
|
||||
let live = config.general.live_disk.unwrap_or(false);
|
||||
let password_opt = config.general.encrypt_disk.clone();
|
||||
let password_opt = password_opt.as_ref().map(|p| p.as_bytes());
|
||||
let (bootloader_bios, bootloader_efi) = fetch_bootloaders(&config, cookbook, live)?;
|
||||
if let Some(write_bootloader) = &config.general.write_bootloader {
|
||||
std::fs::write(write_bootloader, &bootloader_efi)?;
|
||||
}
|
||||
let disk_option = DiskOption {
|
||||
bootloader_bios: &bootloader_bios,
|
||||
bootloader_efi: &bootloader_efi,
|
||||
password_opt: password_opt,
|
||||
efi_partition_size: config.general.efi_partition_size,
|
||||
skip_partitions: config.general.skip_partitions.unwrap_or(false),
|
||||
};
|
||||
with_whole_disk(output, &disk_option, move |fs| {
|
||||
if config.general.no_mount.unwrap_or(false) {
|
||||
with_redoxfs_ar(fs, None, move |mount_path| {
|
||||
install_dir(config, mount_path, cookbook)
|
||||
})
|
||||
} else {
|
||||
with_redoxfs_mount(fs, None, move |mount_path| {
|
||||
install_dir(config, mount_path, cookbook)
|
||||
})
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
/// Install RedoxFS into a new disk file, or a sysroot directory.
|
||||
/// This function assumes all interactive prompts resolved by the caller.
|
||||
pub fn install(config: Config, output: impl AsRef<Path>) -> Result<()> {
|
||||
install_inner(config, output.as_ref())
|
||||
}
|
||||
Reference in New Issue
Block a user