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From 7b8290ba52052f90b6221c1b3ccb8f7536f4c41e Mon Sep 17 00:00:00 2001
From: Xin Ouyang <Xin.Ouyang@windriver.com>
Date: Fri, 23 Aug 2013 12:01:53 +0800
Subject: [PATCH] policy/modules/services/rpc: make nfsd_t domain MLS trusted
for reading from files up to its clearance
Upstream-Status: Inappropriate [embedded specific]
Signed-off-by: Xin Ouyang <Xin.Ouyang@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
policy/modules/kernel/kernel.te | 2 ++
policy/modules/services/rpc.te | 2 ++
policy/modules/services/rpcbind.te | 6 ++++++
3 files changed, 10 insertions(+)
diff --git a/policy/modules/kernel/kernel.te b/policy/modules/kernel/kernel.te
index 5ce6e041b..c1557ddb2 100644
--- a/policy/modules/kernel/kernel.te
+++ b/policy/modules/kernel/kernel.te
@@ -356,6 +356,8 @@ mls_process_read_all_levels(kernel_t)
mls_process_write_all_levels(kernel_t)
mls_file_write_all_levels(kernel_t)
mls_file_read_all_levels(kernel_t)
+mls_socket_write_all_levels(kernel_t)
+mls_fd_use_all_levels(kernel_t)
ifdef(`distro_redhat',`
# Bugzilla 222337
diff --git a/policy/modules/services/rpc.te b/policy/modules/services/rpc.te
index 87b6b4561..9618df04e 100644
--- a/policy/modules/services/rpc.te
+++ b/policy/modules/services/rpc.te
@@ -341,6 +341,8 @@ storage_raw_read_removable_device(nfsd_t)
miscfiles_read_public_files(nfsd_t)
+mls_file_read_to_clearance(nfsd_t)
+
tunable_policy(`allow_nfsd_anon_write',`
miscfiles_manage_public_files(nfsd_t)
')
diff --git a/policy/modules/services/rpcbind.te b/policy/modules/services/rpcbind.te
index 8972980fa..5c89a1343 100644
--- a/policy/modules/services/rpcbind.te
+++ b/policy/modules/services/rpcbind.te
@@ -73,6 +73,12 @@ logging_send_syslog_msg(rpcbind_t)
miscfiles_read_localization(rpcbind_t)
+# nfsd_t would not be allowed to send unix_stream_socket to rpcbind_t,
+# because the are running in different level. So add rules to allow this.
+mls_socket_read_all_levels(rpcbind_t)
+mls_socket_write_all_levels(rpcbind_t)
+mls_file_read_to_clearance(rpcbind_t)
+
ifdef(`distro_debian',`
term_dontaudit_use_unallocated_ttys(rpcbind_t)
')
--
2.17.1
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