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Switch seccomp filter to whitelist #37

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merged 4 commits into from
Aug 30, 2023
Merged

Switch seccomp filter to whitelist #37

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c13e2ef
Switch seccomp filter to whitelist
cd-work Aug 30, 2023
c2f135e
Fix aarch64 build
cd-work Aug 30, 2023
145bbb5
Remove mount syscalls
cd-work Aug 30, 2023
d5aee61
Simplify seccomp network filter API
cd-work Aug 30, 2023
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6 changes: 2 additions & 4 deletions src/linux/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ use landlock::{
};

use crate::error::{Error, Result};
use crate::linux::seccomp::Filter;
use crate::linux::seccomp::NetworkFilter;
use crate::{Exception, Sandbox};

mod seccomp;
Expand Down Expand Up @@ -70,11 +70,9 @@ impl Sandbox for LinuxSandbox {
}

// Create and apply seccomp filter.
let mut seccomp = Filter::new();
if !self.allow_networking {
seccomp.deny_networking()?;
NetworkFilter::apply()?;
}
seccomp.apply()?;

// Apply landlock rules.
let status = self.landlock.restrict_self()?;
Expand Down
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