From: dsugar@tresys.com (David Sugar)
Date: Mon, 4 Dec 2017 21:33:16 +0000
Subject: [refpolicy] [PATCH 1/1] Create interfaces to write xserver log
	files.
Message-ID: <CO1PR15MB1032A3C4D408C6F7F445770BB93C0@CO1PR15MB1032.namprd15.prod.outlook.com>
To: refpolicy@oss.tresys.com
List-Id: refpolicy.oss.tresys.com

Add interfaces to grant write only access to the xerver_log_t and xsession_log_t files.

Signed-off-by: Dave Sugar <dsugar@tresys.com>
---
 policy/modules/services/xserver.if | 39 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/policy/modules/services/xserver.if b/policy/modules/services/xserver.if
index e70046db..dbb95578 100644
--- a/policy/modules/services/xserver.if
+++ b/policy/modules/services/xserver.if
@@ -1058,6 +1058,25 @@ interface(`xserver_xsession_spec_domtrans',`
 
 ########################################
 ## <summary>
+##	Write to the  xsession log
+##	files such as .xsession-errors.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`xserver_write_xsession_log',`
+	gen_require(`
+		type xsession_log_t;
+	')
+
+	allow $1 xsession_log_t:file write_file_perms;
+')
+
+########################################
+## <summary>
 ##	Read and write xsession log
 ##	files such as .xsession-errors.
 ## </summary>
@@ -1096,6 +1115,26 @@ interface(`xserver_manage_xsession_log',`
 
 ########################################
 ## <summary>
+##	Write to the X server logs
+##  files like /var/log/lightdm/lightdm.log
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`xserver_write_log',`
+	gen_require(`
+		type xserver_log_t;
+	')
+
+	xserver_getattr_log($1)
+	allow $1 xserver_log_t:file write_file_perms;
+')
+
+########################################
+## <summary>
 ##	Get the attributes of X server logs.
 ## </summary>
 ## <param name="domain">
-- 
2.13.6