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Merge "Create new instance of shared lineage signers to preserve capabilities" into sc-dev

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This commit is contained in:
Michael Groover
2021-08-10 22:30:03 +00:00
committed by Android (Google) Code Review
parent 0f1dd468bd 6c60c5c7c1
commit 71f64ff1ac
1 changed files with 10 additions and 1 deletions
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9
services/core/java/com/android/server/pm/PackageSignatures.java
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@@ -174,7 +174,16 @@ class PackageSignatures {
if (index >= 0 && index < readSignatures.size()) { if (index >= 0 && index < readSignatures.size()) {
Signature sig = readSignatures.get(index); Signature sig = readSignatures.get(index);
if (sig != null) { if (sig != null) {
// An app using a shared signature in its signing lineage
// can have unique capabilities assigned to this previous
// signer; create a new instance of this Signature to ensure
// its flags do not overwrite those of the instance from
// readSignatures.
if (isPastSigs) {
signatures.add(new Signature(sig));
} else {
signatures.add(sig); signatures.add(sig);
}
signatureParsed = true; signatureParsed = true;
} else { } else {
PackageManagerService.reportSettingsProblem(Log.WARN, PackageManagerService.reportSettingsProblem(Log.WARN,