From 7a30b088be795c9c033d78b07b9744917bfa22ab Mon Sep 17 00:00:00 2001
From: Jibon Costa <jiboncosta57@gmail.com>
Date: Thu, 26 Mar 2020 18:07:12 +0600
Subject: checker

---
 namespace_checker.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 namespace_checker.sh

(limited to 'namespace_checker.sh')

diff --git a/namespace_checker.sh b/namespace_checker.sh
new file mode 100755
index 0000000..801ab81
--- /dev/null
+++ b/namespace_checker.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+VALUE=$(cat /boot/config-$(uname -r) | grep CONFIG_USER_NS)
+
+if [[ -z "$VALUE" ]]
+then
+  echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
+  echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
+  exit 1
+fi
+
+USER_NS_AVAILABLE="${VALUE: -1}"
+
+if [[ "$USER_NS_AVAILABLE" == "y" ]]
+then
+  exit 0
+else
+  echo 'You do not have namespacing in the kernel. You will need to enable the SUID sandbox or upgrade your kernel.'
+  echo 'See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md'
+  exit 1
+fi
\ No newline at end of file
-- 
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