fix(ext/node): implement process.geteuid (#21151)

Fixes #21097

1 files changed, 19 insertions, 0 deletions

diff --git a/ext/node/ops/os.rs b/ext/node/ops/os.rs
index 9fb0b44e1..4f6f56f31 100644
--- a/ext/node/ops/os.rs
+++ b/ext/node/ops/os.rs
@@ -52,6 +52,25 @@ where
   Ok(deno_whoami::username())
 }
 
+#[op2(fast)]
+pub fn op_geteuid<P>(state: &mut OpState) -> Result<u32, AnyError>
+where
+  P: NodePermissions + 'static,
+{
+  {
+    let permissions = state.borrow_mut::<P>();
+    permissions.check_sys("geteuid", "node:os.geteuid()")?;
+  }
+
+  #[cfg(windows)]
+  let euid = 0;
+  #[cfg(unix)]
+  // SAFETY: Call to libc geteuid.
+  let euid = unsafe { libc::geteuid() };
+
+  Ok(euid)
+}
+
 #[cfg(unix)]
 mod priority {
   use super::*;