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Merge "On-device signing: reject everything that's not a regular file/dir." am: 30257fa908

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Original change: https://android-review.googlesource.com/c/platform/system/security/+/1751220

Change-Id: If41aba7810a4ff4deecd9161d013ed8b7a984bef
This commit is contained in:
Martijn Coenen 2021-06-29 14:52:48 +00:00 committed by Automerger Merge Worker
commit 36ef057910
1 changed files with 8 additions and 2 deletions
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10
ondevice-signing/VerityUtils.cpp
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@ -220,13 +220,19 @@ Result<std::map<std::string, std::string>> verifyAllFilesInVerity(const std::str
while (!ec && it != end) {
if (it->is_regular_file()) {
// Verify
// Verify the file is in fs-verity
auto result = isFileInVerity(it->path());
if (!result.ok()) {
return result.error();
}
digests[it->path()] = *result;
} // TODO reject other types besides dirs?
} else if (it->is_directory()) {
// These are fine to ignore
} else if (it->is_symlink()) {
return Error() << "Rejecting artifacts, symlink at " << it->path();
} else {
return Error() << "Rejecting artifacts, unexpected file type for " << it->path();
}
++it;
}
if (ec) {