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sepolicy(hal_wifi): Allow wifi HAL to access persist.vendor.debug properties

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We want to tweak some device params at runtime via shell (alleviates the
need to recompile HAL for changing device configuration). This will help
us test/teamfood couple of new features under development.

Bug: 173044646
Test: Wifi HAL can read persist.vendor.debug.wifi properties.
Change-Id: Iabd07e72aa5f0d97519a37d0ebb1e0a3458b6d06
This commit is contained in:
Roshan Pius 2020-11-12 14:21:41 -08:00
parent 593c3b5c2f
commit a5a81002c8
5 changed files with 7 additions and 0 deletions
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1
private/compat/30.0/30.0.ignore.cil
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@ -30,6 +30,7 @@
music_recognition_service
nfc_logs_data_file
people_service
persist_vendor_debug_wifi_prop
power_debug_prop
power_stats_service
proc_kallsyms

1
private/property_contexts
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@ -78,6 +78,7 @@ persist.traced.enable u:object_r:traced_enabled_prop:s0
traced.lazy. u:object_r:traced_lazy_prop:s0
persist.heapprofd.enable u:object_r:heapprofd_enabled_prop:s0
persist.traced_perf.enable u:object_r:traced_perf_enabled_prop:s0
persist.vendor.debug.wifi. u:object_r:persist_vendor_debug_wifi_prop:s0
persist.vendor.overlay. u:object_r:overlay_prop:s0
ro.boot.vendor.overlay. u:object_r:overlay_prop:s0
ro.boottime. u:object_r:boottime_prop:s0

1
public/hal_wifi.te
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@ -9,6 +9,7 @@ r_dir_file(hal_wifi, sysfs_type)
set_prop(hal_wifi, wifi_hal_prop)
set_prop(hal_wifi, wifi_prop)
userdebug_or_eng(`get_prop(hal_wifi, persist_vendor_debug_wifi_prop)')
# allow hal wifi set interfaces up and down and get the factory MAC
allow hal_wifi self:udp_socket create_socket_perms;

2
public/property.te
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@ -203,6 +203,8 @@ system_public_prop(zram_control_prop)
# Properties used in default HAL implementations
vendor_internal_prop(rebootescrow_hal_prop)
vendor_public_prop(persist_vendor_debug_wifi_prop)
# Properties which are public for devices launching with Android O or earlier
# This should not be used for any new properties.
not_compatible_property(`

2
public/vendor_shell.te
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@ -17,3 +17,5 @@ allow vendor_shell tty_device:chr_file rw_file_perms;
allow vendor_shell console_device:chr_file rw_file_perms;
allow vendor_shell input_device:dir r_dir_perms;
allow vendor_shell input_device:chr_file rw_file_perms;
userdebug_or_eng(`set_prop(vendor_shell, persist_vendor_debug_wifi_prop)')