StrixOS/build
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reject SPL downgrade OTAs on release-keys devices

Browse Source 
Test: th
Bug: 270459308
Change-Id: I013324b5b97336366d8e8cbe05e6ade91778b747
This commit is contained in:
Kelvin Zhang
2023-02-24 10:50:53 -08:00
parent b9828d64b4
commit 3d05f68f3a
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tools/releasetools/ota_from_target_files.py
View File

@@ -1341,6 +1341,14 @@ def main(argv):
source_spl = source_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)
target_spl = target_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)
is_spl_downgrade = target_spl < source_spl
if is_spl_downgrade and target_build_prop.GetProp("ro.build.tags") == "release-keys":
raise common.ExternalError(
"Target security patch level {} is older than source SPL {} "
"A locked bootloader will reject SPL downgrade no matter "
"what(even if data wipe is done), so SPL downgrade on any "
"release-keys build is not allowed.".format(target_spl, source_spl))
logger.info("SPL downgrade on %s", target_build_prop.GetProp("ro.build.tags"))
if is_spl_downgrade and not OPTIONS.spl_downgrade and not OPTIONS.downgrade:
raise common.ExternalError(
"Target security patch level {} is older than source SPL {} applying "