platform_system_sepolicy/public/hal_wifi.te
xshu 04fad00762 Wifi HAL SIOCETHTOOL sepolicy
Allow wifi HAL to use SIOCETHTOOL. This permission is needed to get
factory MAC address of the device.

Bug: 111634904
Test: Manual check that the device can get factory MAC address
Change-Id: I50e91ef7390ad4fba6e014990ee23feb777c4391
2018-12-04 17:21:19 -08:00

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1.3 KiB
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# HwBinder IPC from client to server, and callbacks
binder_call(hal_wifi_client, hal_wifi_server)
binder_call(hal_wifi_server, hal_wifi_client)
hal_attribute_hwservice(hal_wifi, hal_wifi_hwservice)
r_dir_file(hal_wifi, proc_net_type)
r_dir_file(hal_wifi, sysfs_type)
set_prop(hal_wifi, exported_wifi_prop)
set_prop(hal_wifi, wifi_prop)
# allow hal wifi set interfaces up and down and get the factory MAC
allow hal_wifi self:udp_socket create_socket_perms;
allowxperm hal_wifi self:udp_socket ioctl { SIOCSIFFLAGS SIOCSIFHWADDR SIOCETHTOOL };
allow hal_wifi self:global_capability_class_set { net_admin net_raw };
# allow hal_wifi to speak to nl80211 in the kernel
allow hal_wifi self:netlink_socket create_socket_perms_no_ioctl;
# newer kernels (e.g. 4.4 but not 4.1) have a new class for sockets
allow hal_wifi self:netlink_generic_socket create_socket_perms_no_ioctl;
# hal_wifi writes firmware paths to this file.
allow hal_wifi sysfs_wlan_fwpath:file { w_file_perms };
# allow hal_wifi to access /proc/modules to check if Wi-Fi driver is loaded
allow hal_wifi proc_modules:file { getattr open read };
# allow hal_wifi to write into /data/vendor/tombstones/wifi
userdebug_or_eng(`
allow hal_wifi_server tombstone_wifi_data_file:dir rw_dir_perms;
allow hal_wifi_server tombstone_wifi_data_file:file create_file_perms;
')