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authorKelvin Zhang <zhangkelvin@google.com>2021-05-19 15:15:18 +0200
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-05-19 15:15:18 +0200
commitb30df4cd74142a53409e73dd91ef88a9ab4805fc (patch)
treeb70e21765295c1c2f488e746103f728f7244727f /install/install.cpp
parentMerge "use create_dumb.size as size of buffer" am: adcddf8555 (diff)
parentMerge "Check SPL downgrade before install OTA in recovery" (diff)
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Diffstat (limited to 'install/install.cpp')
-rw-r--r--install/install.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/install/install.cpp b/install/install.cpp
index 1b220cb39..6e74f80ab 100644
--- a/install/install.cpp
+++ b/install/install.cpp
@@ -47,6 +47,7 @@
#include <android-base/unique_fd.h>
#include "install/package.h"
+#include "install/spl_check.h"
#include "install/verifier.h"
#include "install/wipe_data.h"
#include "otautil/error_code.h"
@@ -348,6 +349,12 @@ static InstallResult TryUpdateBinary(Package* package, bool* wipe_cache,
android::base::GetBoolProperty("ro.virtual_ab.allow_non_ab", false);
bool device_only_supports_ab = device_supports_ab && !ab_device_supports_nonab;
+ const auto current_spl = android::base::GetProperty("ro.build.version.security_patch", "");
+ if (ViolatesSPLDowngrade(zip, current_spl)) {
+ LOG(ERROR) << "Denying OTA because it's SPL downgrade";
+ return INSTALL_ERROR;
+ }
+
if (package_is_ab) {
CHECK(package->GetType() == PackageType::kFile);
}