From f9dddb42d64979769545f512014371ed0ea7fd81 Mon Sep 17 00:00:00 2001
From: ThreshMain <martinkos007@gmail.com>
Date: Sun, 17 Jan 2021 22:48:57 +0100
Subject: [PATCH] Prevent users from spying on each other

---
 lxc/execute | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lxc/execute b/lxc/execute
index 824b578..2f8a9c6 100755
--- a/lxc/execute
+++ b/lxc/execute
@@ -37,7 +37,12 @@ else
     echo $newinc > $dir/i
 fi
 exec 200>&-
-
+# Prevent users from spying on each other
+lxc-attach --clear-env -n piston -- \
+	/bin/bash -l -c "\
+		chown runner$newinc: -R /tmp/$epoch ;\
+		chmod 700 /tmp/$epoch ;\
+		" > /dev/null 2>&1
 # runner
 timeout -s KILL 20 \
     lxc-attach --clear-env -n piston -- \