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Merge "Reject SPL downgrade OTAs on release-keys devices"

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Treehugger Robot
2023-02-24 22:17:01 +00:00
committed by Gerrit Code Review
parent 1d35f905fd 3d05f68f3a
commit b9dd9dd417
1 changed files with 8 additions and 0 deletions
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8
tools/releasetools/ota_from_target_files.py
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@@ -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 "