Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Emulate mounted directory on macOS #1

Merged
merged 1 commit into from
Nov 10, 2024
Merged

Emulate mounted directory on macOS #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
30 changes: 28 additions & 2 deletions src/macos/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,9 @@
// SPDX-License-Identifier: MPL-2.0
//! This module contains the sandbox for MacOS

use std::fs::File;
use std::fs::{metadata, set_permissions, File, Permissions};
use std::mem::MaybeUninit;
use std::os::unix::fs::{symlink, PermissionsExt};
use std::os::unix::process::CommandExt;
use std::process::{Child, Command};
use std::sync::atomic::{AtomicBool, Ordering};
Expand Down Expand Up @@ -47,7 +48,7 @@ impl Sandbox for MacOSSandbox {
.args(config.args)
.env_clear()
.envs(config.env)
.current_dir(config.working_directory);
.current_dir(&config.working_directory);

if let Some(stdin) = &config.stdin {
let stdin = File::open(stdin)
Expand All @@ -67,6 +68,31 @@ impl Sandbox for MacOSSandbox {
command.stderr(stderr);
}

for mount in &config.mount_paths {
let is_inside_sandbox = mount.target.starts_with(&config.working_directory);
let is_nested = config
.mount_paths
.iter()
.any(|m| mount.target != m.target && mount.target.starts_with(&m.target));
if is_inside_sandbox && is_nested {
let parent = mount.target.parent().with_context(|| {
format!("Invalid mount directory {}", mount.target.display())
})?;
let permissions = metadata(parent)
.with_context(|| {
format!("Failed to mount directory {}", mount.target.display())
})?
.permissions();
set_permissions(&parent, Permissions::from_mode(0o700)).with_context(|| {
format!("Failed to mount directory {}", mount.target.display())
})?;
symlink(&mount.source, &mount.target).with_context(|| {
format!("Failed to mount directory {}", mount.target.display())
})?;
set_permissions(&parent, permissions)?;
}
}

// Spawn child
let child = command.spawn().context("Failed to spawn command")?;

Expand Down