1 files changed, 35 insertions, 1 deletions

diff --git a/install/install.cpp b/install/install.cpp
index 044856b6b..a9786cfdf 100644
--- a/install/install.cpp
+++ b/install/install.cpp
@@ -48,6 +48,7 @@
 
 #include "install/spl_check.h"
 #include "install/wipe_data.h"
+#include "install/wipe_device.h"
 #include "otautil/error_code.h"
 #include "otautil/package.h"
 #include "otautil/paths.h"
@@ -70,6 +71,10 @@ static constexpr int VERIFICATION_PROGRESS_TIME = 60;
 static constexpr float VERIFICATION_PROGRESS_FRACTION = 0.25;
 // The charater used to separate dynamic fingerprints. e.x. sargo|aosp-sargo
 static const char* FINGERPRING_SEPARATOR = "|";
+static constexpr auto&& RELEASE_KEYS_TAG = "release-keys";
+// If brick packages are smaller than |MEMORY_PACKAGE_LIMIT|, read the entire package into memory
+static constexpr size_t MEMORY_PACKAGE_LIMIT = 1024 * 1024;
+
 static std::condition_variable finish_log_temperature;
 static bool isInStringList(const std::string& target_token, const std::string& str_list,
                            const std::string& deliminator);
@@ -213,6 +218,7 @@ bool CheckPackageMetadata(const std::map<std::string, std::string>& metadata, Ot
   // We allow the package to not have any serialno; and we also allow it to carry multiple serial
   // numbers split by "|"; e.g. serialno=serialno1|serialno2|serialno3 ... We will fail the
   // verification if the device's serialno doesn't match any of these carried numbers.
+
   auto pkg_serial_no = get_value(metadata, "serialno");
   if (!pkg_serial_no.empty()) {
     auto device_serial_no = android::base::GetProperty("ro.serialno", "");
@@ -226,6 +232,21 @@ bool CheckPackageMetadata(const std::map<std::string, std::string>& metadata, Ot
       LOG(ERROR) << "Package is for serial " << pkg_serial_no;
       return false;
     }
+  } else if (ota_type == OtaType::BRICK) {
+    const auto device_build_tag = android::base::GetProperty("ro.build.tags", "");
+    if (device_build_tag.empty()) {
+      LOG(ERROR) << "Unable to determine device build tags, serial number is missing from package. "
+                    "Rejecting the brick OTA package.";
+      return false;
+    }
+    if (device_build_tag == RELEASE_KEYS_TAG) {
+      LOG(ERROR) << "Device is release key build, serial number is missing from package. "
+                    "Rejecting the brick OTA package.";
+      return false;
+    }
+    LOG(INFO)
+        << "Serial number is missing from brick OTA package, permitting anyway because device is "
+        << device_build_tag;
   }
 
   if (ota_type == OtaType::AB) {
@@ -364,7 +385,20 @@ static InstallResult TryUpdateBinary(Package* package, bool* wipe_cache,
     return INSTALL_CORRUPT;
   }
 
-  bool package_is_ab = get_value(metadata, "ota-type") == OtaTypeToString(OtaType::AB);
+  const bool package_is_ab = get_value(metadata, "ota-type") == OtaTypeToString(OtaType::AB);
+  const bool package_is_brick = get_value(metadata, "ota-type") == OtaTypeToString(OtaType::BRICK);
+  if (package_is_brick) {
+    LOG(INFO) << "Installing a brick package";
+    if (package->GetType() == PackageType::kFile &&
+        package->GetPackageSize() < MEMORY_PACKAGE_LIMIT) {
+      std::vector<uint8_t> content(package->GetPackageSize());
+      if (package->ReadFullyAtOffset(content.data(), content.size(), 0)) {
+        auto memory_package = Package::CreateMemoryPackage(std::move(content), {});
+        return WipeAbDevice(device, memory_package.get()) ? INSTALL_SUCCESS : INSTALL_ERROR;
+      }
+    }
+    return WipeAbDevice(device, package) ? INSTALL_SUCCESS : INSTALL_ERROR;
+  }
   bool device_supports_ab = android::base::GetBoolProperty("ro.build.ab_update", false);
   bool ab_device_supports_nonab =
       android::base::GetBoolProperty("ro.virtual_ab.allow_non_ab", false);