From 4663e613f0bcc43c5e58d0a848105c74a68a217e Mon Sep 17 00:00:00 2001
From: Naga Bhavani Akella <quic_nakella@quicinc.com>
Date: Mon, 27 May 2024 13:19:45 +0530
Subject: [PATCH] Adding Sepolicy rules to allow bluetoothctl and dbus-daemon
 to access unix stream sockets.

Required for using acquire-notify, acquire-write options (Gatt Client)
and Sending notifications (Gatt Server)

Below are the avc denials that are fixed with this patch -

1. audit: type=1400 audit(315966559.395:444):
avc:  denied  { use } for  pid=710 comm="dbus-daemon"
path="socket:[13196]" dev="sockfs" ino=13196
scontext=system_u:system_r:system_dbusd_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_t:s0-s15:c0.c1023
tclass=fd permissive=0
2. audit: type=1400 audit(315999854.939:523):
avc:  denied  { read write } for  pid=812 comm="dbus-daemon"
path="socket:[99469]" dev="sockfs" ino=99469
scontext=system_u:system_r:system_dbusd_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_t:s0-s15:c0.c1023
tclass=bluetooth_socket permissive=1

Signed-off-by: Naga Bhavani Akella <quic_nakella@quicinc.com>
Signed-off-by: Chris PeBenito <pebenito@ieee.org>
---
 policy/modules/apps/pulseaudio.te    |  2 +-
 policy/modules/services/bluetooth.if | 24 ++++++++++++++++++++++++
 policy/modules/services/dbus.te      |  2 +-
 policy/modules/services/obex.te      |  2 +-
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/policy/modules/apps/pulseaudio.te b/policy/modules/apps/pulseaudio.te
index 65b9a7428..42ed3a1d2 100644
--- a/policy/modules/apps/pulseaudio.te
+++ b/policy/modules/apps/pulseaudio.te
@@ -193,7 +193,7 @@ optional_policy(`
 ')
 
 optional_policy(`
-	bluetooth_stream_connect(pulseaudio_t)
+	bluetooth_use(pulseaudio_t)
 ')
 
 optional_policy(`
diff --git a/policy/modules/services/bluetooth.if b/policy/modules/services/bluetooth.if
index c7e1c3f14..bd3dff2ff 100644
--- a/policy/modules/services/bluetooth.if
+++ b/policy/modules/services/bluetooth.if
@@ -85,6 +85,30 @@ interface(`bluetooth_stream_connect',`
 	stream_connect_pattern($1, bluetooth_runtime_t, bluetooth_runtime_t, bluetooth_t)
 ')
 
+#####################################
+## <summary>
+##	Connect to bluetooth over a unix domain
+##	stream socket. The socket can be used
+##      for read and write.
+## </summary>
+## <param name="domain">
+##	<summary>
+##	Domain allowed access.
+##	</summary>
+## </param>
+#
+interface(`bluetooth_use',`
+	gen_require(`
+		type bluetooth_t;
+	')
+
+	files_search_runtime($1)
+	allow $1 bluetooth_t:bluetooth_socket rw_socket_perms;
+	allow $1 bluetooth_t:unix_stream_socket rw_socket_perms;
+	allow $1 bluetooth_t:fd use;
+	bluetooth_stream_connect($1)
+')
+
 ########################################
 ## <summary>
 ##	Execute bluetooth in the bluetooth domain.
diff --git a/policy/modules/services/dbus.te b/policy/modules/services/dbus.te
index 9df95db77..9f98e6293 100644
--- a/policy/modules/services/dbus.te
+++ b/policy/modules/services/dbus.te
@@ -262,7 +262,7 @@ optional_policy(`
 ')
 
 optional_policy(`
-	bluetooth_stream_connect(system_dbusd_t)
+	bluetooth_use(system_dbusd_t)
 ')
 
 optional_policy(`
diff --git a/policy/modules/services/obex.te b/policy/modules/services/obex.te
index 6686edb37..5e2f20578 100644
--- a/policy/modules/services/obex.te
+++ b/policy/modules/services/obex.te
@@ -31,7 +31,7 @@ miscfiles_read_localization(obex_t)
 userdom_search_user_home_content(obex_t)
 
 optional_policy(`
-	bluetooth_stream_connect(obex_t)
+	bluetooth_use(obex_t)
 ')
 
 optional_policy(`