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Add shells hook

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This commit is contained in:
Nathan Fisher 2023-04-29 23:40:17 -04:00
parent 5544418184
commit ccf6d5301a
5 changed files with 238 additions and 98 deletions
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7
src/hpk.rs
View File

@ -9,10 +9,7 @@ mod cli;
use {
clap::ArgMatches,
cli::cli,
hpk::{
CreationError, Creator, Dependency, InstallMessage, Installer, Message, Specs,
Version,
},
hpk::{CreationError, Creator, Dependency, InstallMessage, Installer, Message, Specs, Version},
indicatif::{ProgressBar, ProgressStyle},
ron::ser::{to_writer_pretty, PrettyConfig},
std::{
@ -158,7 +155,7 @@ fn install_local<P: AsRef<OsStr> + fmt::Display>(
}
fn init(matches: &ArgMatches) -> Result<PathBuf, Box<dyn Error>> {
let specsfile = PathBuf::from("package.specs");
let specsfile = PathBuf::from("specs.ron");
let cfg = PrettyConfig::new().struct_names(true);
let buf = File::create(&specsfile)?;
let writer = BufWriter::new(buf);

197
src/installer/hooks.rs
View File

@ -3,6 +3,7 @@ use std::{
path::PathBuf,
process::{Command, Output},
sync::mpsc::Sender,
thread, fs::OpenOptions, io::{Seek, Read, Write, SeekFrom},
};
#[derive(Debug, Clone)]
@ -14,6 +15,7 @@ pub struct Hooks {
pinstall: Vec<PathBuf>,
users: Vec<User>,
groups: Vec<Group>,
shells: Vec<PathBuf>,
}
impl Default for Hooks {
@ -26,6 +28,7 @@ impl Default for Hooks {
pinstall: vec![],
users: vec![],
groups: vec![],
shells: vec![],
}
}
}
@ -61,27 +64,166 @@ impl Hooks {
self.groups.push(group);
}
pub fn makewhatis(
&self,
pub fn push_shell(&mut self, shell: PathBuf) {
self.shells.push(shell);
}
pub fn run(self, sender: Sender<InstallMessage>) -> Result<(), InstallError> {
let Some(root) = self.root.to_str().map(|x| x.to_string()) else {
return Err(InstallError::BadPath);
};
let mut threads = vec![];
if !self.users.is_empty() {
let sender = sender.clone();
let root = root.clone();
let users = self.users;
threads.push(thread::spawn(move || {
create_users(users, &root, sender)?;
Ok::<(), InstallError>(())
}));
}
if !self.groups.is_empty() {
let sender = sender.clone();
let root = root.clone();
let groups = self.groups;
threads.push(thread::spawn(move || {
create_groups(groups, &root, sender)?;
Ok::<(), InstallError>(())
}));
}
if !self.shells.is_empty() {
let sender = sender.clone();
let root = root.clone();
let shells = self.shells;
threads.push(thread::spawn(move || {
append_shells(shells, &root, sender)?;
Ok::<(), InstallError>(())
}));
}
if self.man && root.as_str() == "/" {
let sender = sender.clone();
threads.push(thread::spawn(move || {
install_man(sender)?;
Ok::<(), InstallError>(())
}));
}
if self.glib_schema {
let sender = sender.clone();
let root = root.clone();
threads.push(thread::spawn(move || {
compile_schemas(&root, sender)?;
Ok::<(), InstallError>(())
}));
}
if !self.info.is_empty() {
let sender = sender.clone();
let root = PathBuf::from(&root);
let pages = self.info;
threads.push(thread::spawn(move || {
install_info(pages, root, sender)?;
Ok::<(), InstallError>(())
}));
}
if !self.pinstall.is_empty() {
let scripts = self.pinstall;
threads.push(thread::spawn(move || {
run_pinstall(scripts, root.into(), sender)?;
Ok::<(), InstallError>(())
}));
}
for th in threads {
if let Err(e) = th.join() {
eprintln!("{e:?}");
}
}
Ok(())
}
}
pub fn append_shells(
shells: Vec<PathBuf>,
root: &str,
sender: Sender<InstallMessage>,
) -> Result<Option<Output>, InstallError> {
if self.man {
) -> Result<(), InstallError> {
shells.iter().try_for_each(|shell| {
let s = PathBuf::from("/");
let shell = s.join(shell);
let Some(shell) = shell.to_str().map(|x| x.to_string()) else {
return Err(InstallError::BadPath);
};
let mut f = PathBuf::from(root);
f.push("etc");
f.push("shells");
let mut fd = OpenOptions::new()
.read(true)
.write(true)
.open(&f)?;
let meta = fd.metadata()?;
let len = meta.len();
let pos = fd.seek(SeekFrom::Start(len - 1))?;
if !pos == len - 1 {
eprintln!("Bad seek operation in /etc/shells");
}
let mut buf = [0; 1];
fd.read_exact(&mut buf)?;
if !buf[0] == b'\n' {
write!(fd, "\n")?;
}
write!(fd, "{shell}")?;
sender.send(InstallMessage::ShellAdded(shell))?;
Ok::<(), InstallError>(())
})?;
Ok(())
}
pub fn create_users(
users: Vec<User>,
root: &str,
sender: Sender<InstallMessage>,
) -> Result<(), InstallError> {
users.iter().try_for_each(|user| {
let mut cmd = Command::new("useradd");
cmd.args(["-rs", "/sbin/nologin", "-R", root]);
if let Some(uid) = user.uid {
cmd.args(["-u", &format!("{uid}")]);
}
cmd.arg(&user.name);
let _output = cmd.output().map_err(Into::<InstallError>::into)?;
sender.send(InstallMessage::UserCreated(user.clone()))?;
Ok::<(), InstallError>(())
})?;
Ok(())
}
pub fn create_groups(
groups: Vec<Group>,
root: &str,
sender: Sender<InstallMessage>,
) -> Result<(), InstallError> {
groups.iter().try_for_each(|group| {
let mut cmd = Command::new("groupadd");
cmd.args(["-r", "-R", root]);
if let Some(gid) = group.gid {
cmd.args(["-u", &format!("{gid}")]);
}
cmd.arg(&group.name);
let _output = cmd.output().map_err(Into::<InstallError>::into)?;
sender.send(InstallMessage::GroupCreated(group.clone()))?;
Ok::<(), InstallError>(())
})?;
Ok(())
}
pub fn install_man(sender: Sender<InstallMessage>) -> Result<Output, InstallError> {
let output = Command::new("makewhatis")
.output()
.map_err(Into::<InstallError>::into)?;
sender.send(InstallMessage::Man)?;
Ok(Some(output))
} else {
Ok(None)
}
Ok(output)
}
pub fn compile_schemas(
&self,
sender: Sender<InstallMessage>,
) -> Result<Option<Output>, InstallError> {
if self.glib_schema {
let mut dir = self.root.clone();
pub fn compile_schemas(root: &str, sender: Sender<InstallMessage>) -> Result<Output, InstallError> {
let mut dir = PathBuf::from(root);
dir.push("usr");
dir.push("share");
dir.push("glib-2.0");
@ -91,17 +233,16 @@ impl Hooks {
.output()
.map_err(Into::<InstallError>::into)?;
sender.send(InstallMessage::GlibSchemas)?;
Ok(Some(output))
} else {
Ok(None)
}
Ok(output)
}
pub fn install_info(&self, sender: Sender<InstallMessage>) -> Result<(), InstallError> {
let root = self.root.clone();
self.info.iter().try_for_each(|page| {
let p = root.clone();
let page = p.join(page);
pub fn install_info(
pages: Vec<PathBuf>,
root: PathBuf,
sender: Sender<InstallMessage>,
) -> Result<(), InstallError> {
pages.iter().try_for_each(|page| {
let page = root.join(page);
let Some(dir) = page.parent() else {
return Err(InstallError::BadPath);
};
@ -123,9 +264,12 @@ impl Hooks {
Ok(())
}
pub fn run_pinstall(&self, sender: Sender<InstallMessage>) -> Result<(), InstallError> {
let root = self.root.clone();
self.pinstall.iter().try_for_each(|pinstall| {
pub fn run_pinstall(
scripts: Vec<PathBuf>,
root: PathBuf,
sender: Sender<InstallMessage>,
) -> Result<(), InstallError> {
scripts.iter().try_for_each(|pinstall| {
let p = root.clone();
let pinstall = p.join(pinstall);
let Some(root) = root.to_str() else {
@ -144,4 +288,3 @@ impl Hooks {
})?;
Ok(())
}
}

24
src/installer/mod.rs
View File

@ -50,6 +50,8 @@ pub enum InstallMessage {
UserCreated(User),
/// A `Group` has been successfully created
GroupCreated(Group),
/// A shell has been added to '/etc/shells'
ShellAdded(String),
/// The output of the post install script
PostInstall(Output),
/// Update the mandoc db
@ -100,14 +102,13 @@ impl<T: io::Read> Installer<T> {
pr_node.write(&mut buf)?;
let package: Package = ron::de::from_bytes(&buf)?;
if let Some(ref users) = package.users {
users
.iter()
.for_each(|u| hooks.push_user(u.clone()));
users.iter().for_each(|u| hooks.push_user(u.clone()));
}
if let Some(ref groups) = package.groups {
groups
.iter()
.for_each(|g| hooks.push_group(g.clone()));
groups.iter().for_each(|g| hooks.push_group(g.clone()));
}
if let Some(ref shells) = package.shells {
shells.iter().for_each(|s| hooks.push_shell(s.clone()));
}
let mut db_pkgdir = crate::get_dbdir(Some(self.root.clone()));
db_pkgdir.push(&package.name);
@ -139,10 +140,7 @@ impl<T: io::Read> Installer<T> {
let mut h = hooks.lock().unwrap();
h.push_man();
} else if s.contains("/share/info") {
hooks
.lock()
.unwrap()
.push_info(fpath.to_str().unwrap());
hooks.lock().unwrap().push_info(fpath.to_str().unwrap());
} else if s.contains("/share/glib-2.0/schemas") {
let mut h = hooks.lock().unwrap();
h.push_glib_schema();
@ -237,11 +235,7 @@ fn pop_appstream(archive: &mut Archive, db_pkgdir: &Path) -> Result<(), Error> {
Ok(())
}
fn pop_pinstall(
archive: &mut Archive,
hooks: &mut Hooks,
pkgname: &str,
) -> Result<(), Error> {
fn pop_pinstall(archive: &mut Archive, hooks: &mut Hooks, pkgname: &str) -> Result<(), Error> {
let pinstall = archive.pop("postinstall.sh");
if let Some(node) = pinstall {
let mut path: PathBuf = ["/", "tmp", "hpk", pkgname].iter().collect();

5
src/package/mod.rs
View File

@ -12,7 +12,7 @@ use {
fs,
fs::File,
io::{BufWriter, Write},
path::Path,
path::{Path, PathBuf},
},
};
@ -56,6 +56,8 @@ pub struct Package {
pub users: Option<Vec<User>>,
/// an optional list of groups to be created upon installation
pub groups: Option<Vec<Group>>,
/// applicable only if this package contains a shell
pub shells: Option<Vec<PathBuf>>,
/// an optional post installation shell script to be run
pub post_install: Option<String>,
}
@ -71,6 +73,7 @@ impl From<Specs> for Package {
dependencies: value.dependencies,
users: value.users,
groups: value.groups,
shells: value.shells,
post_install: value.post_install,
..Default::default()
}

3
src/package/specs.rs
View File

@ -2,6 +2,7 @@ use {
super::{Group, User},
crate::{Dependency, Version},
serde::{Deserialize, Serialize},
std::path::PathBuf,
};
#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]
@ -22,6 +23,8 @@ pub struct Specs {
pub users: Option<Vec<User>>,
/// an optional list of groups to be created upon installation
pub groups: Option<Vec<Group>>,
/// applicable only if this package contains a shell
pub shells: Option<Vec<PathBuf>>,
/// an optional post installation shell script to be run
pub post_install: Option<String>,
}