Merge "Parse user flags as flags instead of enum."

This commit is contained in:
Felipe Leme
2021-10-26 19:40:00 +00:00
committed by Gerrit Code Review
2 changed files with 72 additions and 5 deletions

View File

@@ -60,11 +60,22 @@ Result<void> parseUserInfo(const hidl_vec<int32_t>& int32Values, size_t startPos
<< int32Values.size();
}
userInfo->userId = int32Values[startPos];
auto userFlags = verifyAndCast<UserFlags>(int32Values[startPos + 1]);
if (!userFlags.ok()) {
return Error() << "Invalid user flags: " << userFlags.error();
int32_t intUserFlags = int32Values[startPos + 1];
int32_t expectedUserFlags = 0;
for (const auto& v : hidl_enum_range<UserFlags>()) {
int32_t intEnumUserFlag = static_cast<int32_t>(v);
if ((intUserFlags & intEnumUserFlag) != 0) {
expectedUserFlags |= intEnumUserFlag;
}
}
userInfo->flags = *userFlags;
if (intUserFlags != expectedUserFlags) {
return Error() << "Invalid user flags: " << intUserFlags << ", must be '|' of UserFlags";
}
// intUserFlags is actually not a valid UserFlags enum, instead, it is a 'bit or' of possible
// multiple UserFlags. However, because the HAL interface was defined incorrectly, we have to
// cast it to UserFlags here, which is defined behavior because the underlying type for
// UserFlags is int32_t and our intUserFlags is within the range of int32_t.
userInfo->flags = static_cast<UserFlags>(intUserFlags);
return {};
}

View File

@@ -54,6 +54,10 @@ constexpr int32_t VEHICLE_REQUEST = static_cast<int32_t>(SwitchUserMessageType::
constexpr int32_t GUEST_USER = static_cast<int32_t>(UserFlags::GUEST);
constexpr int32_t NONE_USER = static_cast<int32_t>(UserFlags::NONE);
constexpr int32_t SYSTEM_USER = static_cast<int32_t>(UserFlags::SYSTEM);
constexpr int32_t ADMIN_USER = static_cast<int32_t>(UserFlags::ADMIN);
constexpr int32_t SYSTEM_ADMIN_USER = static_cast<int32_t>(UserFlags::SYSTEM | UserFlags::ADMIN);
// 0x1111 is not a valid UserFlags combination.
constexpr int32_t INVALID_USER_FLAG = 0x1111;
constexpr int32_t USER_ID_ASSOC_KEY_FOB =
static_cast<int32_t>(UserIdentificationAssociationType::KEY_FOB);
@@ -72,7 +76,7 @@ constexpr int32_t USER_ID_ASSOC_NO_USER =
} // namespace
TEST(UserHalHelperTest, TestToInitialUserInfoRequest) {
TEST(UserHalHelperTest, TestToInitialUserInfoRequestSystemUser) {
VehiclePropValue propValue{
.prop = INITIAL_USER_INFO,
.value = {.int32Values = {23, FIRST_BOOT_AFTER_OTA, 10, NONE_USER, 2, 0, SYSTEM_USER,
@@ -92,6 +96,58 @@ TEST(UserHalHelperTest, TestToInitialUserInfoRequest) {
EXPECT_THAT(actual.value(), Eq(expected));
}
TEST(UserHalHelperTest, TestToInitialUserInfoRequestAdminUser) {
VehiclePropValue propValue{
.prop = INITIAL_USER_INFO,
.value = {.int32Values = {23, FIRST_BOOT_AFTER_OTA, 10, NONE_USER, 2, 0, ADMIN_USER, 10,
NONE_USER}},
};
InitialUserInfoRequest expected{
.requestId = 23,
.requestType = InitialUserInfoRequestType::FIRST_BOOT_AFTER_OTA,
.usersInfo = {{10, UserFlags::NONE}, 2, {{0, UserFlags::ADMIN}, {10, UserFlags::NONE}}},
};
auto actual = toInitialUserInfoRequest(propValue);
ASSERT_TRUE(actual.ok()) << actual.error().message();
EXPECT_THAT(actual.value(), Eq(expected));
}
TEST(UserHalHelperTest, TestToInitialUserInfoRequestUserFlagsBitCombination) {
// SYSTEM_ADMIN_USER is two UserFlags combined and is itself not a defined UserFlags enum.
VehiclePropValue propValue{
.prop = INITIAL_USER_INFO,
.value = {.int32Values = {23, FIRST_BOOT_AFTER_OTA, 10, NONE_USER, 2, 0,
SYSTEM_ADMIN_USER, 10, NONE_USER}},
};
InitialUserInfoRequest expected{
.requestId = 23,
.requestType = InitialUserInfoRequestType::FIRST_BOOT_AFTER_OTA,
.usersInfo = {{10, UserFlags::NONE},
2,
{{0, static_cast<UserFlags>(SYSTEM_ADMIN_USER)}, {10, UserFlags::NONE}}},
};
auto actual = toInitialUserInfoRequest(propValue);
ASSERT_TRUE(actual.ok()) << actual.error().message();
EXPECT_THAT(actual.value(), Eq(expected));
}
TEST(UserHalHelperTest, TestToInitialUserInfoRequestUserInvalidUserFlag) {
// 0x1111 is not a valid UserFlags flag combination.
VehiclePropValue propValue{
.prop = INITIAL_USER_INFO,
.value = {.int32Values = {23, FIRST_BOOT_AFTER_OTA, 10, NONE_USER, 2, 0,
INVALID_USER_FLAG, 10, NONE_USER}},
};
auto actual = toInitialUserInfoRequest(propValue);
EXPECT_FALSE(actual.ok()) << "No error returned on invalid user flags";
}
TEST(UserHalHelperTest, TestFailsToInitialUserInfoRequestWithMismatchingPropType) {
VehiclePropValue propValue{
.prop = INT32_MAX,