tequilaOS/platform_system_sepolicy
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Add sepolicy for /metadata/watchdog

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See go/rescue-party-reboot for more context.

One integer will be stored in a file in this
directory, which will be read and then deleted at the
next boot. No userdata is stored.

Test: Write and read from file from PackageWatchdog
Bug: 171951174

Change-Id: I18f59bd9ad324a0513b1184b2f4fe78c592640db
This commit is contained in:
Gavin Corkery 2020-12-05 17:25:35 +00:00
parent c0d1040d58
commit b0aae28b41
4 changed files with 7 additions and 0 deletions
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1
private/compat/30.0/30.0.ignore.cil
View file

@ -53,4 +53,5 @@
userspace_reboot_metadata_file userspace_reboot_metadata_file
vcn_management_service vcn_management_service
vibrator_manager_service vibrator_manager_service
watchdog_metadata_file
zygote_config_prop)) zygote_config_prop))

1
private/file_contexts
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@ -744,6 +744,7 @@
/metadata/bootstat(/.*)? u:object_r:metadata_bootstat_file:s0 /metadata/bootstat(/.*)? u:object_r:metadata_bootstat_file:s0
/metadata/staged-install(/.*)? u:object_r:staged_install_file:s0 /metadata/staged-install(/.*)? u:object_r:staged_install_file:s0
/metadata/userspacereboot(/.*)? u:object_r:userspace_reboot_metadata_file:s0 /metadata/userspacereboot(/.*)? u:object_r:userspace_reboot_metadata_file:s0
/metadata/watchdog(/.*)? u:object_r:watchdog_metadata_file:s0
############################# #############################
# asec containers # asec containers

3
private/system_server.te
View file

@ -1169,6 +1169,9 @@ allow system_server userspace_reboot_metadata_file:file create_file_perms;
allow system_server staged_install_file:dir rw_dir_perms; allow system_server staged_install_file:dir rw_dir_perms;
allow system_server staged_install_file:file create_file_perms; allow system_server staged_install_file:file create_file_perms;
allow system_server watchdog_metadata_file:dir rw_dir_perms;
allow system_server watchdog_metadata_file:file create_file_perms;
# Allow init to set sysprop used to compute stats about userspace reboot. # Allow init to set sysprop used to compute stats about userspace reboot.
set_prop(system_server, userspace_reboot_log_prop) set_prop(system_server, userspace_reboot_log_prop)

2
public/file.te
View file

@ -245,6 +245,8 @@ type metadata_bootstat_file, file_type;
type userspace_reboot_metadata_file, file_type; type userspace_reboot_metadata_file, file_type;
# Staged install files within /metadata/staged-install # Staged install files within /metadata/staged-install
type staged_install_file, file_type; type staged_install_file, file_type;
# Metadata information within /metadata/watchdog
type watchdog_metadata_file, file_type;
# Type for /dev/cpu_variant:.*. # Type for /dev/cpu_variant:.*.
type dev_cpu_variant, file_type; type dev_cpu_variant, file_type;