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From b4110d4f30f6dc82c810ceaf24911b1fadb0e7c4 Mon Sep 17 00:00:00 2001
From: Xin Ouyang <Xin.Ouyang@windriver.com>
Date: Thu, 22 Aug 2013 13:37:23 +0800
Subject: [PATCH] policy/modules/kernel/files: add rules for the symlink of
 /tmp

/tmp is a symlink in poky, so we need allow rules for files to read
lnk_file while doing search/list/delete/rw.. in /tmp/ directory.

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/files.fc | 1 +
 policy/modules/kernel/files.if | 8 ++++++++
 2 files changed, 9 insertions(+)

diff --git a/policy/modules/kernel/files.fc b/policy/modules/kernel/files.fc
index 9a6f9d2d4..0f511c830 100644
--- a/policy/modules/kernel/files.fc
+++ b/policy/modules/kernel/files.fc
@@ -171,6 +171,7 @@ HOME_ROOT/lost\+found/.*	<<none>>
 # /tmp
 #
 /tmp			-d	gen_context(system_u:object_r:tmp_t,s0-mls_systemhigh)
+/tmp			-l	gen_context(system_u:object_r:tmp_t,s0)
 /tmp/.*				<<none>>
 /tmp/\.journal			<<none>>
 
diff --git a/policy/modules/kernel/files.if b/policy/modules/kernel/files.if
index 9e4344d24..14b34a467 100644
--- a/policy/modules/kernel/files.if
+++ b/policy/modules/kernel/files.if
@@ -4780,6 +4780,7 @@ interface(`files_search_tmp',`
 	')
 
 	allow $1 tmp_t:dir search_dir_perms;
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4816,6 +4817,7 @@ interface(`files_list_tmp',`
 	')
 
 	allow $1 tmp_t:dir list_dir_perms;
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4852,6 +4854,7 @@ interface(`files_delete_tmp_dir_entry',`
 	')
 
 	allow $1 tmp_t:dir del_entry_dir_perms;
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4870,6 +4873,7 @@ interface(`files_read_generic_tmp_files',`
 	')
 
 	read_files_pattern($1, tmp_t, tmp_t)
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4888,6 +4892,7 @@ interface(`files_manage_generic_tmp_dirs',`
 	')
 
 	manage_dirs_pattern($1, tmp_t, tmp_t)
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4924,6 +4929,7 @@ interface(`files_manage_generic_tmp_files',`
 	')
 
 	manage_files_pattern($1, tmp_t, tmp_t)
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -4960,6 +4966,7 @@ interface(`files_rw_generic_tmp_sockets',`
 	')
 
 	rw_sock_files_pattern($1, tmp_t, tmp_t)
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
@@ -5167,6 +5174,7 @@ interface(`files_tmp_filetrans',`
 	')
 
 	filetrans_pattern($1, tmp_t, $2, $3, $4)
+	allow $1 tmp_t:lnk_file read_lnk_file_perms;
 ')
 
 ########################################
-- 
2.25.1