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Commit e366fe9f authored by Kelvin Zhang's avatar Kelvin Zhang
Browse files

Check for build-tags before installing sideload OTA 

Only allow test-key OTA to be installed on test-key devices,
and only allow release-key OTA to be installed on release-key devices.

Test: sideload recovery OTA
Bug: 314013134
Change-Id: I6609923929247ab498d3a315637765ae2d1370b0
parent 5aee6aca

install/install.cpp

+11 −0
Original line number Diff line number Diff line
@@ -189,6 +189,17 @@ static bool CheckAbSpecificMetadata(const std::map<std::string, std::string>& me 
      return false;

    }

  }

  const auto post_build = get_value(metadata, "post-build");

  const auto build_fingerprint = android::base::Tokenize(post_build, "/");

  if (!build_fingerprint.empty()) {

    const auto& post_build_tag = build_fingerprint.back();

    const auto build_tag = android::base::GetProperty("ro.build.tags", "");

    if (build_tag != post_build_tag) {

      LOG(ERROR) << "Post build-tag " << post_build_tag << " does not match device build tag "

                 << build_tag;

      return false;

    }

  }



  return true;

}