android_system_sepolicy/public/hal_wifi.te
Roger Wang 49f2954275 Allow dumpstate to dump wlan hal log on userbuild
To check issue on userbuild, wlan hal log
is helpful.

Bug: 122265104
Test: Manully, log collected on user build
Change-Id: I5aa96aa796ca7dfb92e97df3e7be054ff79f6e3d
2019-03-21 12:27:44 +08:00

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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 send dump info to dumpstate
allow hal_wifi dumpstate:fifo_file write;
# allow hal_wifi to write into /data/vendor/tombstones/wifi
allow hal_wifi_server tombstone_wifi_data_file:dir rw_dir_perms;
allow hal_wifi_server tombstone_wifi_data_file:file create_file_perms;