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From 054a2d81a42bc127d29a916c64b43ad5a7c97f21 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] fix policy for nfsserver to mount nfsd_fs_t.
Upstream-Status: Pending
Signed-off-by: Xin Ouyang <Xin.Ouyang@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
---
policy/modules/contrib/rpc.te | 5 +++++
policy/modules/contrib/rpcbind.te | 5 +++++
policy/modules/kernel/filesystem.te | 1 +
policy/modules/kernel/kernel.te | 2 ++
4 files changed, 13 insertions(+)
--- a/policy/modules/contrib/rpcbind.te
+++ b/policy/modules/contrib/rpcbind.te
@@ -73,8 +73,13 @@ auth_use_nsswitch(rpcbind_t)
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)
+
ifdef(`distro_debian',`
term_dontaudit_use_unallocated_ttys(rpcbind_t)
')
--- a/policy/modules/contrib/rpc.te
+++ b/policy/modules/contrib/rpc.te
@@ -277,10 +277,15 @@ tunable_policy(`nfs_export_all_ro',`
files_read_non_auth_files(nfsd_t)
')
optional_policy(`
mount_exec(nfsd_t)
+ # Should domtrans to mount_t while mounting nfsd_fs_t.
+ mount_domtrans(nfsd_t)
+ # nfsd_t need to chdir to /var/lib/nfs and read files.
+ files_list_var(nfsd_t)
+ rpc_read_nfs_state_data(nfsd_t)
')
########################################
#
# GSSD local policy
--- a/policy/modules/kernel/filesystem.te
+++ b/policy/modules/kernel/filesystem.te
@@ -127,10 +127,11 @@ fs_noxattr_type(mvfs_t)
allow mvfs_t self:filesystem associate;
genfscon mvfs / gen_context(system_u:object_r:mvfs_t,s0)
type nfsd_fs_t;
fs_type(nfsd_fs_t)
+files_mountpoint(nfsd_fs_t)
genfscon nfsd / gen_context(system_u:object_r:nfsd_fs_t,s0)
type nsfs_t;
fs_type(nsfs_t)
genfscon nsfs / gen_context(system_u:object_r:nsfs_t,s0)
--- a/policy/modules/kernel/kernel.te
+++ b/policy/modules/kernel/kernel.te
@@ -325,10 +325,12 @@ mcs_process_set_categories(kernel_t)
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
fs_rw_tmpfs_chr_files(kernel_t)
')
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