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Fix read-only /dev, /proc, /tmp, /var/tmp, /run in blacklist mode

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This commit is contained in:
Kristóf Tóth
2026-03-20 20:40:57 +01:00
parent c8e0d4813a
commit 50dafb4c37
1 changed files with 10 additions and 1 deletions
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11
src/sandbox.rs
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@@ -22,9 +22,11 @@ pub fn build_command(config: &SandboxConfig) -> Result<Command, SandboxError> {
SandboxMode::Whitelist => add_whitelist_mode(&mut cmd)?,
}
if hardened {
if matches!(config.mode, SandboxMode::Whitelist) {
cmd.args(["--tmpfs", "/tmp"]);
cmd.args(["--tmpfs", "/var/tmp"]);
cmd.args(["--dev", "/dev"]);
cmd.args(["--tmpfs", "/dev/shm"]);
cmd.args(["--tmpfs", "/run"]);
cmd.args(["--proc", "/proc"]);
}
@@ -62,6 +64,13 @@ fn add_blacklist_mode(cmd: &mut Command) -> Result<(), SandboxError> {
for file in &overlays.null_bind_files {
cmd.arg("--ro-bind").arg("/dev/null").arg(file);
}
cmd.args(["--dev-bind", "/dev", "/dev"]);
cmd.args(["--proc", "/proc"]);
cmd.args(["--bind", "/tmp", "/tmp"]);
cmd.args(["--bind", "/var/tmp", "/var/tmp"]);
cmd.args(["--bind", "/run", "/run"]);
Ok(())
}