From 6fa8da3c434ef25f14f1eb801d32ac613e758c10 Mon Sep 17 00:00:00 2001
From: Alexey <247128645+axkurcom@users.noreply.github.com>
Date: Wed, 30 Sep 2026 07:40:01 +0300
Subject: [PATCH] Daemon stdio ownership and cover runtime path policies fixed

Co-Authored-By: brekotis <93345790+brekotis@users.noreply.github.com>
---
 src/daemon/mod.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/daemon/mod.rs b/src/daemon/mod.rs
index a3a8b80..3a0da2a 100644
--- a/src/daemon/mod.rs
+++ b/src/daemon/mod.rs
@@ -9,7 +9,7 @@ use std::os::unix::fs::OpenOptionsExt;
 use std::path::{Path, PathBuf};
 
 use nix::errno::Errno;
-use nix::unistd::{self, ForkResult, Gid, Uid, chdir, close, fork, getpid, setsid};
+use nix::unistd::{self, ForkResult, Gid, Uid, chdir, fork, getpid, setsid};
 use tracing::info;
 
 // PID file ownership and process-control helpers.
@@ -176,8 +176,10 @@ fn redirect_stdio_to_devnull() -> Result<(), DaemonError> {
         }
     }
 
-    if devnull_fd > 2 {
-        let _ = close(devnull_fd);
+    // Keep stdio descriptors open; other source descriptors are closed once by File's Drop.
+    // Transfer ownership only after all dup2 calls succeed so errors retain RAII cleanup.
+    if devnull_fd <= 2 {
+        let _ = std::os::unix::io::IntoRawFd::into_raw_fd(devnull);
     }
 
     Ok(())