Allow Bluetooth app to initiate DHCP service on bt-pan interface.

bug:15407087
Change-Id: I3dea9c1110583f11f093d048455a1cc739d05658

bluetooth.te

@@ -45,6 +45,8 @@ allow bluetooth proc_bluetooth_writable:file rw_file_perms;
 
 # Allow write access to bluetooth specific properties
 allow bluetooth bluetooth_prop:property_service set;
+allow bluetooth pan_result_prop:property_service set;
+allow bluetooth ctl_dhcp_pan_prop:property_service set;
 
 ###
 ### Neverallow rules

dhcp.te

@@ -14,6 +14,7 @@ allow dhcp system_file:file rx_file_perms;
 # For /proc/sys/net/ipv4/conf/*/promote_secondaries
 allow dhcp proc_net:file write;
 allow dhcp system_prop:property_service set ;
+allow dhcp pan_result_prop:property_service set;
 unix_socket_connect(dhcp, property, init)
 
 type_transition dhcp system_data_file:{ dir file } dhcp_data_file;

property.te

@@ -8,6 +8,7 @@ type vold_prop, property_type;
 type rild_prop, property_type;
 type ctl_bootanim_prop, property_type;
 type ctl_default_prop, property_type;
+type ctl_dhcp_pan_prop, property_type;
 type ctl_dumpstate_prop, property_type;
 type ctl_fuse_prop, property_type;
 type ctl_mdnsd_prop, property_type;
@@ -17,4 +18,5 @@ type audio_prop, property_type;
 type logd_prop, property_type;
 type security_prop, property_type;
 type bluetooth_prop, property_type;
+type pan_result_prop, property_type;
 type powerctl_prop, property_type;

property_contexts

@@ -25,6 +25,7 @@ sys.powerctl            u:object_r:powerctl_prop:s0
 service.                u:object_r:system_prop:s0
 wlan.                   u:object_r:system_prop:s0
 dhcp.                   u:object_r:system_prop:s0
+dhcp.bt-pan.result      u:object_r:pan_result_prop:s0
 bluetooth.              u:object_r:bluetooth_prop:s0
 
 debug.                  u:object_r:debug_prop:s0
@@ -57,4 +58,5 @@ ctl.fuse_               u:object_r:ctl_fuse_prop:s0
 ctl.mdnsd               u:object_r:ctl_mdnsd_prop:s0
 ctl.ril-daemon          u:object_r:ctl_rildaemon_prop:s0
 ctl.bugreport           u:object_r:ctl_bugreport_prop:s0
+ctl.dhcpcd_bt-pan       u:object_r:ctl_dhcp_pan_prop:s0
 ctl.                    u:object_r:ctl_default_prop:s0

system_server.te

@@ -277,6 +277,7 @@ allow system_server powerctl_prop:property_service set;
 
 # ctl interface
 allow system_server ctl_default_prop:property_service set;
+allow system_server ctl_dhcp_pan_prop:property_service set;
 allow system_server ctl_bugreport_prop:property_service set;
 
 # Create a socket for receiving info from wpa.