On 8/16/2024 1:24 AM, Naga Bhavani Akella wrote:
Below are the avc denials that are resolved -
1. AVC avc: denied { use } for pid=916 comm="dbus-daemon"
path="socket:[71126]" dev="sockfs" ino=71126
scontext=system_u:system_r:system_dbusd_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_helper_t:s0-s15:c0.c1023
tclass=fd permissive=0
2. AVC avc: denied { read write } for pid=913 comm="dbus-daemon"
path="socket:[25037]" dev="sockfs" ino=25037
scontext=system_u:system_r:system_dbusd_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_helper_t:s0-s15:c0.c1023
tclass=unix_stream_socket permissive=0
3. AVC avc: denied { use } for pid=910 comm="bluetoothd"
path="socket:[23966]" dev="sockfs" ino=23966
scontext=system_u:system_r:bluetooth_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_helper_t:s0-s15:c0.c1023
tclass=fd permissive=0
4. AVC avc: denied { read write } for pid=2229 comm="bluetoothd"
path="socket:[27264]" dev="sockfs" ino=27264
scontext=system_u:system_r:bluetooth_t:s0-s15:c0.c1023
tcontext=system_u:system_r:bluetooth_helper_t:s0-s15:c0.c1023
tclass=unix_stream_socket permissive=0
Signed-off-by: Naga Bhavani Akella <quic_nakella@xxxxxxxxxxx>
---
policy/modules/services/bluetooth.if | 22 ++++++++++++++++++++++
policy/modules/services/bluetooth.te | 3 +++
policy/modules/services/dbus.te | 1 +
3 files changed, 26 insertions(+)
diff --git a/policy/modules/services/bluetooth.if b/policy/modules/services/bluetooth.if
index bd3dff2ff..100d49ec6 100644
--- a/policy/modules/services/bluetooth.if
+++ b/policy/modules/services/bluetooth.if
@@ -187,6 +187,28 @@ interface(`bluetooth_dontaudit_read_helper_state',`
dontaudit $1 bluetooth_helper_t:file read_file_perms;
')
+#####################################
+## <summary>
+## Connect to bluetooth over a unix domain
+## stream socket. The socket can be used
+## for read and write. This is required for
+# bluetooth helper context.
+## </summary>
+## <param name="domain">
+## <summary>
+## Domain allowed access.
+## </summary>
+## </param>
+#
+interface(`bluetooth_use_inherited_helper_stream_sockets',`
+ gen_require(`
+ type bluetooth_helper_t;
+ ')
+
+ allow $1 bluetooth_helper_t:unix_stream_socket rw_socket_perms;
+ allow $1 bluetooth_helper_t:fd use;
+')
+
########################################
## <summary>
## All of the rules required to
diff --git a/policy/modules/services/bluetooth.te b/policy/modules/services/bluetooth.te
index 534f1b36d..36d297bef 100644
--- a/policy/modules/services/bluetooth.te
+++ b/policy/modules/services/bluetooth.te
@@ -76,6 +76,9 @@ filetrans_pattern(bluetooth_t, bluetooth_conf_t, bluetooth_conf_rw_t, { dir file
allow bluetooth_t bluetooth_lock_t:file manage_file_perms;
files_lock_filetrans(bluetooth_t, bluetooth_lock_t, file)
+bluetooth_use_inherited_helper_stream_sockets(bluetooth_t)
+
+
manage_dirs_pattern(bluetooth_t, bluetooth_tmp_t, bluetooth_tmp_t)
manage_files_pattern(bluetooth_t, bluetooth_tmp_t, bluetooth_tmp_t)
files_tmp_filetrans(bluetooth_t, bluetooth_tmp_t, { dir file })
diff --git a/policy/modules/services/dbus.te b/policy/modules/services/dbus.te
index 672aeddf4..6d60bcb68 100644
--- a/policy/modules/services/dbus.te
+++ b/policy/modules/services/dbus.te
@@ -266,6 +266,7 @@ optional_policy(`
optional_policy(`
bluetooth_use(system_dbusd_t)
+ bluetooth_use_inherited_helper_stream_sockets(system_dbusd_t)
')
optional_policy(`
Merged.
https://github.com/SELinuxProject/refpolicy/pull/804
--
Chris PeBenito