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deblobber: fixup timekeep replacement, credit Wang Han/aviraxp

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This commit is contained in:
Tad 2020-10-20 05:24:09 -04:00
parent 38c52cc43b
commit 00a6a86126
4 changed files with 60 additions and 6 deletions
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22
Patches/Common/android_timekeep_sepolicy/timekeep.te Normal file
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@ -0,0 +1,22 @@
# Policy for the timekeep.c oneshot system service
# Gets called once during init by vendor timekeep.rc and restores
# clock from persist.vendor.timeadjust property, reads
# /sys/class/rtc/rtc0/since_epoch
type timekeep, domain;
type timekeep_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(timekeep)
# Grant permission to set system time and to set the real-time clock
allow timekeep self:capability sys_time;
# Write to /data/vendor/time/ats_2
allow timekeep time_data_file:dir rw_dir_perms;
allow timekeep time_data_file:file create_file_perms;
# Set persist.vendor.timeadjust
set_prop(timekeep, vendor_timekeep_prop)
# Read /sys/class/rtc/rtc0/since_epoch
allow timekeep sysfs_rtc:dir search;
allow timekeep sysfs_rtc:{ file lnk_file } r_file_perms;

25
Patches/Common/android_timekeep_sepolicy/timekeep_app.te Normal file
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# Policy for the TimeKeep Java app. It listens to a BootReceiver
# or TIME_SET event and calculates the offset between the rtc clock
# in /sys/class/rtc0/since_epoch and the current device time and stores that
# value in /data/vendor/time/ats_2 and as persist.vendor.timeadjust.
type timekeep_app, domain;
app_domain(timekeep_app)
# Needed to get access to /data/data/com.sony.timekeep
# Only getattr and search are requested since TimeKeep does not write to its own directory
# /data/data/com.sony.timekeep only has two empty subdirs
dontaudit timekeep_app app_data_file:dir { getattr search };
allow timekeep_app activity_service:service_manager find;
# Read from /data/vendor/time/ats_2
allow timekeep_app time_data_file:dir create_dir_perms;
allow timekeep_app time_data_file:file create_file_perms;
# Read /sys/class/rtc/rtc0/since_epoch
allow timekeep_app sysfs_rtc:dir { search };
allow timekeep_app sysfs_rtc:{ file lnk_file } r_file_perms;
# Set the persist.vendor.timeadjust property
set_prop(timekeep_app, vendor_timekeep_prop)

2
PrebuiltApps

@ -1 +1 @@
Subproject commit 61ad2ecdbebd9aa10e8974082fad38edce618227
Subproject commit 7d02900d51925b09f6b086c64c6404fdae998f41

17
Scripts/Common/Deblob.sh
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@ -620,15 +620,22 @@ deblobDevice() {
if [ -z "$replaceTime" ]; then
numfiles=(*); numfiles=${#numfiles[@]};
if [ "$numfiles" -gt "5" ]; then #only if device doesn't use a common sepolicy dir
#Switch to Sony TimeKeep
echo "allow system_app time_data_file:dir { create_dir_perms search };" >> sepolicy/system_app.te;
echo "allow system_app time_data_file:file create_file_perms;" >> sepolicy/system_app.te;
#Switch to Sony TimeKeep
#Credit: @aviraxp
#Reference: https://github.com/LineageOS/android_device_oneplus_oneplus2/commit/3b152a3c1198d795de4175e6b9927493caf01bf0
echo "/sys/devices/soc\.0/qpnp-rtc-8/rtc/rtc0(/.*)? u:object_r:sysfs_rtc:s0" >> sepolicy/file_contexts;
echo "/(system/vendor|vendor)/bin/timekeep u:object_r:timekeep_exec:s0" >> sepolicy/file_contexts;
echo "type vendor_timekeep_prop, property_type;" >> sepolicy/property.te;
echo "persist.vendor.timeadjust u:object_r:vendor_timekeep_prop:s0" >> sepolicy/property_contexts;
echo "user=system seinfo=platform name=com.sony.timekeep domain=timekeep_app type=app_data_file" >> sepolicy/seapp_contexts;
cp "$DOS_PATCHES_COMMON/timekeep.te" sepolicy/;
cp "$DOS_PATCHES_COMMON/timekeep_app.te" sepolicy/;
fi;
fi;
fi;
if [ -z "$replaceTime" ]; then #Switch to Sony TimeKeep
sed -i 's|service time_daemon /system/bin/time_daemon|service time_daemon /system/bin/timekeep restore\n oneshot|' init.*.rc rootdir/init.*.rc rootdir/etc/init.*.rc &> /dev/null || true;
sed -i 's|mkdir /data/time/ 0700 system system|mkdir /data/time/ 0700 system system\n chmod 0770 /data/time/ats_2|' init.*.rc rootdir/init.*.rc rootdir/etc/init.*.rc &> /dev/null || true;
#sed -i 's|service time_daemon /system/bin/time_daemon|service time_daemon /system/bin/timekeep restore\n oneshot|' init.*.rc rootdir/init.*.rc rootdir/etc/init.*.rc &> /dev/null || true;
awk -i inplace '!|mkdir /data/time/ 0700 system system|' init.*.rc rootdir/init.*.rc rootdir/etc/init.*.rc &> /dev/null || true;
fi;
rm -f board/qcom-cne.mk product/qcom-cne.mk; #Remove CNE
if [ "$DOS_DEBLOBBER_REMOVE_IMS" = true ]; then rm -f rootdir/etc/init.qti.ims.sh rootdir/init.qti.ims.sh init.qti.ims.sh; fi; #Remove IMS startup script