From: Rosen Penev <rosenp@gmail.com>
Date: Mon, 30 Apr 2018 20:15:54 +0000 (-0700)
Subject: sysctl: Protect hard/symlinks by default.
X-Git-Tag: v18.06.0-rc1~290
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=20e5fefb0c372ca804d5a3e4176bf1586ac37004;p=openwrt%2Fstaging%2Fpepe2k.git

sysctl: Protect hard/symlinks by default.

There is no usecase for not protecting symlinks that I know of in OpenWrt.
Not even on desktop systems where you have multiple users with a shell.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---

diff --git a/package/base-files/files/etc/sysctl.d/10-default.conf b/package/base-files/files/etc/sysctl.d/10-default.conf
index 98867b7c7b..46d079b36b 100644
--- a/package/base-files/files/etc/sysctl.d/10-default.conf
+++ b/package/base-files/files/etc/sysctl.d/10-default.conf
@@ -5,6 +5,9 @@ kernel.panic=3
 kernel.core_pattern=/tmp/%e.%t.%p.%s.core
 fs.suid_dumpable=2
 
+fs.protected_hardlinks=1
+fs.protected_symlinks=1
+
 net.ipv4.conf.default.arp_ignore=1
 net.ipv4.conf.all.arp_ignore=1
 net.ipv4.ip_forward=1