5 files changed, 0 insertions, 169 deletions

diff --git a/install/Android.bp b/install/Android.bp
index be08506e5..bed3bc504 100644
--- a/install/Android.bp
+++ b/install/Android.bp
@@ -42,7 +42,6 @@ cc_defaults {
         "libsnapshot_nobinder",
 
         // external dependencies
-        "libvintf_recovery",
         "libvintf",
     ],
 }
diff --git a/install/include/install/install.h b/install/include/install/install.h
index b4b3a9149..87d43ab09 100644
--- a/install/include/install/install.h
+++ b/install/include/install/install.h
@@ -59,10 +59,6 @@ bool verify_package(Package* package, RecoveryUI* ui);
 // result to |metadata|. Return true if succeed, otherwise return false.
 bool ReadMetadataFromPackage(ZipArchiveHandle zip, std::map<std::string, std::string>* metadata);
 
-// Verifies the compatibility info in a Treble-compatible package. Returns true directly if the
-// entry doesn't exist.
-bool verify_package_compatibility(ZipArchiveHandle package_zip);
-
 // Checks if the metadata in the OTA package has expected values. Mandatory checks: ota-type,
 // pre-device and serial number (if presents). A/B OTA specific checks: pre-build version,
 // fingerprint, timestamp.
diff --git a/install/install.cpp b/install/install.cpp
index 9166f9cfb..4bb0903cc 100644
--- a/install/install.cpp
+++ b/install/install.cpp
@@ -44,7 +44,6 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
-#include <vintf/VintfObjectRecovery.h>
 
 #include "install/package.h"
 #include "install/verifier.h"
@@ -505,73 +504,6 @@ static InstallResult TryUpdateBinary(Package* package, bool* wipe_cache,
   return INSTALL_SUCCESS;
 }
 
-// Verifies the compatibility info in a Treble-compatible package. Returns true directly if the
-// entry doesn't exist. Note that the compatibility info is packed in a zip file inside the OTA
-// package.
-bool verify_package_compatibility(ZipArchiveHandle package_zip) {
-  LOG(INFO) << "Verifying package compatibility...";
-
-  static constexpr const char* COMPATIBILITY_ZIP_ENTRY = "compatibility.zip";
-  ZipEntry compatibility_entry;
-  if (FindEntry(package_zip, COMPATIBILITY_ZIP_ENTRY, &compatibility_entry) != 0) {
-    LOG(INFO) << "Package doesn't contain " << COMPATIBILITY_ZIP_ENTRY << " entry";
-    return true;
-  }
-
-  std::string zip_content(compatibility_entry.uncompressed_length, '\0');
-  int32_t ret;
-  if ((ret = ExtractToMemory(package_zip, &compatibility_entry,
-                             reinterpret_cast<uint8_t*>(&zip_content[0]),
-                             compatibility_entry.uncompressed_length)) != 0) {
-    LOG(ERROR) << "Failed to read " << COMPATIBILITY_ZIP_ENTRY << ": " << ErrorCodeString(ret);
-    return false;
-  }
-
-  ZipArchiveHandle zip_handle;
-  ret = OpenArchiveFromMemory(static_cast<void*>(const_cast<char*>(zip_content.data())),
-                              zip_content.size(), COMPATIBILITY_ZIP_ENTRY, &zip_handle);
-  if (ret != 0) {
-    LOG(ERROR) << "Failed to OpenArchiveFromMemory: " << ErrorCodeString(ret);
-    return false;
-  }
-
-  // Iterate all the entries inside COMPATIBILITY_ZIP_ENTRY and read the contents.
-  void* cookie;
-  ret = StartIteration(zip_handle, &cookie);
-  if (ret != 0) {
-    LOG(ERROR) << "Failed to start iterating zip entries: " << ErrorCodeString(ret);
-    CloseArchive(zip_handle);
-    return false;
-  }
-  std::unique_ptr<void, decltype(&EndIteration)> guard(cookie, EndIteration);
-
-  std::vector<std::string> compatibility_info;
-  ZipEntry info_entry;
-  std::string_view info_name;
-  while (Next(cookie, &info_entry, &info_name) == 0) {
-    std::string content(info_entry.uncompressed_length, '\0');
-    int32_t ret = ExtractToMemory(zip_handle, &info_entry, reinterpret_cast<uint8_t*>(&content[0]),
-                                  info_entry.uncompressed_length);
-    if (ret != 0) {
-      LOG(ERROR) << "Failed to read " << info_name << ": " << ErrorCodeString(ret);
-      CloseArchive(zip_handle);
-      return false;
-    }
-    compatibility_info.emplace_back(std::move(content));
-  }
-  CloseArchive(zip_handle);
-
-  // VintfObjectRecovery::CheckCompatibility returns zero on success.
-  std::string err;
-  int result = android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err);
-  if (result == 0) {
-    return true;
-  }
-
-  LOG(ERROR) << "Failed to verify package compatibility (result " << result << "): " << err;
-  return false;
-}
-
 static InstallResult VerifyAndInstallPackage(Package* package, bool* wipe_cache,
                                              std::vector<std::string>* log_buffer, int retry_count,
                                              int* max_temperature, RecoveryUI* ui) {
@@ -586,19 +518,6 @@ static InstallResult VerifyAndInstallPackage(Package* package, bool* wipe_cache,
     return INSTALL_CORRUPT;
   }
 
-  // Try to open the package.
-  ZipArchiveHandle zip = package->GetZipArchiveHandle();
-  if (!zip) {
-    log_buffer->push_back(android::base::StringPrintf("error: %d", kZipOpenFailure));
-    return INSTALL_CORRUPT;
-  }
-
-  // Additionally verify the compatibility of the package if it's a fresh install.
-  if (retry_count == 0 && !verify_package_compatibility(zip)) {
-    log_buffer->push_back(android::base::StringPrintf("error: %d", kPackageCompatibilityFailure));
-    return INSTALL_CORRUPT;
-  }
-
   // Verify and install the contents of the package.
   ui->Print("Installing update...\n");
   if (retry_count > 0) {
diff --git a/tests/Android.bp b/tests/Android.bp
index 5b881e367..dc662d88b 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -81,7 +81,6 @@ librecovery_static_libs = [
     "libotautil",
 
     "libhealthhalutils",
-    "libvintf_recovery",
     "libvintf",
 
     "android.hardware.health@2.0",
diff --git a/tests/unit/install_test.cpp b/tests/unit/install_test.cpp
index 4ec409908..370fbdcc5 100644
--- a/tests/unit/install_test.cpp
+++ b/tests/unit/install_test.cpp
@@ -28,7 +28,6 @@
 #include <android-base/properties.h>
 #include <android-base/strings.h>
 #include <gtest/gtest.h>
-#include <vintf/VintfObjectRecovery.h>
 #include <ziparchive/zip_archive.h>
 #include <ziparchive/zip_writer.h>
 
@@ -50,29 +49,6 @@ static void BuildZipArchive(const std::map<std::string, std::string>& file_map,
   ASSERT_EQ(0, fclose(zip_file));
 }
 
-TEST(InstallTest, verify_package_compatibility_no_entry) {
-  TemporaryFile temp_file;
-  // The archive must have something to be opened correctly.
-  BuildZipArchive({ { "dummy_entry", "" } }, temp_file.release(), kCompressStored);
-
-  // Doesn't contain compatibility zip entry.
-  ZipArchiveHandle zip;
-  ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
-  ASSERT_TRUE(verify_package_compatibility(zip));
-  CloseArchive(zip);
-}
-
-TEST(InstallTest, verify_package_compatibility_invalid_entry) {
-  TemporaryFile temp_file;
-  BuildZipArchive({ { "compatibility.zip", "" } }, temp_file.release(), kCompressStored);
-
-  // Empty compatibility zip entry.
-  ZipArchiveHandle zip;
-  ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
-  ASSERT_FALSE(verify_package_compatibility(zip));
-  CloseArchive(zip);
-}
-
 TEST(InstallTest, read_metadata_from_package_smoke) {
   TemporaryFile temp_file;
   const std::string content("abc=defg");
@@ -134,64 +110,6 @@ TEST(InstallTest, read_wipe_ab_partition_list) {
   ASSERT_EQ(expected, read_partition_list);
 }
 
-TEST(InstallTest, verify_package_compatibility_with_libvintf_malformed_xml) {
-  TemporaryFile compatibility_zip_file;
-  std::string malformed_xml = "malformed";
-  BuildZipArchive({ { "system_manifest.xml", malformed_xml } }, compatibility_zip_file.release(),
-                  kCompressDeflated);
-
-  TemporaryFile temp_file;
-  std::string compatibility_zip_content;
-  ASSERT_TRUE(
-      android::base::ReadFileToString(compatibility_zip_file.path, &compatibility_zip_content));
-  BuildZipArchive({ { "compatibility.zip", compatibility_zip_content } }, temp_file.release(),
-                  kCompressStored);
-
-  ZipArchiveHandle zip;
-  ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
-  std::vector<std::string> compatibility_info;
-  compatibility_info.push_back(malformed_xml);
-  // Malformed compatibility zip is expected to be rejected by libvintf. But we defer that to
-  // libvintf.
-  std::string err;
-  bool result =
-      android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err) == 0;
-  ASSERT_EQ(result, verify_package_compatibility(zip));
-  CloseArchive(zip);
-}
-
-TEST(InstallTest, verify_package_compatibility_with_libvintf_system_manifest_xml) {
-  static constexpr const char* system_manifest_xml_path = "/system/manifest.xml";
-  if (access(system_manifest_xml_path, R_OK) == -1) {
-    GTEST_LOG_(INFO) << "Test skipped on devices w/o /system/manifest.xml.";
-    return;
-  }
-  std::string system_manifest_xml_content;
-  ASSERT_TRUE(
-      android::base::ReadFileToString(system_manifest_xml_path, &system_manifest_xml_content));
-  TemporaryFile compatibility_zip_file;
-  BuildZipArchive({ { "system_manifest.xml", system_manifest_xml_content } },
-                  compatibility_zip_file.release(), kCompressDeflated);
-
-  TemporaryFile temp_file;
-  std::string compatibility_zip_content;
-  ASSERT_TRUE(
-      android::base::ReadFileToString(compatibility_zip_file.path, &compatibility_zip_content));
-  BuildZipArchive({ { "compatibility.zip", compatibility_zip_content } }, temp_file.release(),
-                  kCompressStored);
-
-  ZipArchiveHandle zip;
-  ASSERT_EQ(0, OpenArchive(temp_file.path, &zip));
-  std::vector<std::string> compatibility_info;
-  compatibility_info.push_back(system_manifest_xml_content);
-  std::string err;
-  bool result =
-      android::vintf::VintfObjectRecovery::CheckCompatibility(compatibility_info, &err) == 0;
-  // Make sure the result is consistent with libvintf library.
-  ASSERT_EQ(result, verify_package_compatibility(zip));
-  CloseArchive(zip);
-}
-
 TEST(InstallTest, SetUpNonAbUpdateCommands) {
   TemporaryFile temp_file;
   static constexpr const char* UPDATE_BINARY_NAME = "META-INF/com/google/android/update-binary";