Merge "Fixed attestation properties reading." into main
diff --git a/security/keymint/aidl/default/hal/lib.rs b/security/keymint/aidl/default/hal/lib.rs
index fad807f..196cf17 100644
--- a/security/keymint/aidl/default/hal/lib.rs
+++ b/security/keymint/aidl/default/hal/lib.rs
@@ -20,6 +20,19 @@
use kmr_hal::env::get_property;
use log::error;
+/// Retrieve the most significant attestation property for `name`.
+fn attestation_property(name: &str) -> Vec<u8> {
+ let prop_val = get_property(&format!("ro.product.vendor.{}", name)).unwrap_or_default();
+ if !prop_val.is_empty() {
+ prop_val
+ } else {
+ get_property(&format!("ro.product.{}", name))
+ .unwrap_or_else(|prop_name| format!("{} unavailable", prop_name))
+ }
+ .as_bytes()
+ .to_vec()
+}
+
/// Populate attestation ID information based on properties (where available).
/// Retrieving the serial number requires SELinux permission.
pub fn attestation_id_info() -> kmr_wire::AttestationIdInfo {
@@ -30,12 +43,12 @@
.to_vec()
};
kmr_wire::AttestationIdInfo {
- brand: prop("ro.product.brand"),
- device: prop("ro.product.device"),
- product: prop("ro.product.name"),
+ brand: attestation_property("brand"),
+ device: attestation_property("device"),
+ product: attestation_property("name"),
serial: prop("ro.serialno"),
- manufacturer: prop("ro.product.manufacturer"),
- model: prop("ro.product.model"),
+ manufacturer: attestation_property("manufacturer"),
+ model: attestation_property("model"),
// Currently modem_simulator always returns one fixed value. See `handleGetIMEI` in
// device/google/cuttlefish/host/commands/modem_simulator/misc_service.cpp for more details.
// TODO(b/263188546): Use device-specific IMEI values when available.