2021-10-29 21:13:29

by Kenton Groombridge

[permalink] [raw]
Subject: [PATCH 2/7] mcs: restrict create, relabelto on mcs files

Signed-off-by: Kenton Groombridge <[email protected]>
---
policy/mcs | 3 +++
1 file changed, 3 insertions(+)

diff --git a/policy/mcs b/policy/mcs
index 44b57e594..d4d984e47 100644
--- a/policy/mcs
+++ b/policy/mcs
@@ -99,6 +99,9 @@ mlsconstrain file { create relabelto }
mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } { relabelfrom }
(( h1 dom h2 ) or ( t1 != mcs_constrained_type ));

+mlsconstrain { file lnk_file fifo_file } { create relabelto }
+ (( l2 eq h2 ) or ( t1 != mcs_constrained_type ));
+
mlsconstrain { dir file lnk_file chr_file blk_file sock_file fifo_file } { create relabelto }
(( h1 dom h2 ) or ( t1 != mcs_constrained_type ));

--
2.33.1