Merge "libdm: Redact keys from dm-crypt targets when calling GetTable." into sc-v2-dev

This commit is contained in:
David Anderson 2024-11-16 00:39:36 +00:00 committed by Android (Google) Code Review
commit 67ad3ba97e

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@ -690,3 +690,32 @@ TEST(libdm, CreateEmptyDevice) {
// Empty device should be in suspended state.
ASSERT_EQ(DmDeviceState::SUSPENDED, dm.GetState("empty-device"));
}
TEST(libdm, RedactDmCrypt) {
static constexpr uint64_t kImageSize = 65536;
static constexpr const char* kTestName = "RedactDmCrypt";
unique_fd temp_file(CreateTempFile("file_1", kImageSize));
ASSERT_GE(temp_file, 0);
LoopDevice loop(temp_file, 10s);
ASSERT_TRUE(loop.valid());
static constexpr const char* kAlgorithm = "aes-cbc-essiv:sha256";
static constexpr const char* kKey = "0e64ef514e6a1315b1f6390cb57c9e6a";
auto target = std::make_unique<DmTargetCrypt>(0, kImageSize / 512, kAlgorithm, kKey, 0,
loop.device(), 0);
target->AllowDiscards();
DmTable table;
table.AddTarget(std::move(target));
auto& dm = DeviceMapper::Instance();
std::string crypt_path;
ASSERT_TRUE(dm.CreateDevice(kTestName, table, &crypt_path, 10s));
std::vector<DeviceMapper::TargetInfo> targets;
ASSERT_TRUE(dm.GetTableInfo(kTestName, &targets));
ASSERT_EQ(targets.size(), 1);
EXPECT_EQ(targets[0].data.find(kKey), std::string::npos);
}