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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "hidden_api.h"
#include "base/sdk_version.h"
#include "common_runtime_test.h"
#include "jni/jni_internal.h"
#include "proxy_test.h"
namespace art {
using hiddenapi::detail::MemberSignature;
using hiddenapi::detail::ShouldDenyAccessToMemberImpl;
class HiddenApiTest : public CommonRuntimeTest {
protected:
void SetUp() override {
// Do the normal setup.
CommonRuntimeTest::SetUp();
self_ = Thread::Current();
self_->TransitionFromSuspendedToRunnable();
jclass_loader_ = LoadDex("HiddenApiSignatures");
bool started = runtime_->Start();
CHECK(started);
class1_field1_ = getArtField("mypackage/packagea/Class1", "field1", "I");
class1_field12_ = getArtField("mypackage/packagea/Class1", "field12", "I");
class1_init_ = getArtMethod("mypackage/packagea/Class1", "<init>", "()V");
class1_method1_ = getArtMethod("mypackage/packagea/Class1", "method1", "()V");
class1_method1_i_ = getArtMethod("mypackage/packagea/Class1", "method1", "(I)V");
class1_method12_ = getArtMethod("mypackage/packagea/Class1", "method12", "()V");
class12_field1_ = getArtField("mypackage/packagea/Class12", "field1", "I");
class12_method1_ = getArtMethod("mypackage/packagea/Class12", "method1", "()V");
class2_field1_ = getArtField("mypackage/packagea/Class2", "field1", "I");
class2_method1_ = getArtMethod("mypackage/packagea/Class2", "method1", "()V");
class2_method1_i_ = getArtMethod("mypackage/packagea/Class2", "method1", "(I)V");
class3_field1_ = getArtField("mypackage/packageb/Class3", "field1", "I");
class3_method1_ = getArtMethod("mypackage/packageb/Class3", "method1", "()V");
class3_method1_i_ = getArtMethod("mypackage/packageb/Class3", "method1", "(I)V");
}
ArtMethod* getArtMethod(const char* class_name, const char* name, const char* signature) {
JNIEnv* env = Thread::Current()->GetJniEnv();
jclass klass = env->FindClass(class_name);
jmethodID method_id = env->GetMethodID(klass, name, signature);
ArtMethod* art_method = jni::DecodeArtMethod(method_id);
return art_method;
}
ArtField* getArtField(const char* class_name, const char* name, const char* signature) {
JNIEnv* env = Thread::Current()->GetJniEnv();
jclass klass = env->FindClass(class_name);
jfieldID field_id = env->GetFieldID(klass, name, signature);
ArtField* art_field = jni::DecodeArtField(field_id);
return art_field;
}
bool ShouldDenyAccess(hiddenapi::ApiList list) REQUIRES_SHARED(Locks::mutator_lock_) {
// Choose parameters such that there are no side effects (AccessMethod::kNone)
// and that the member is not on the exemptions list (here we choose one which
// is not even in boot class path).
return ShouldDenyAccessToMemberImpl(/* member= */ class1_field1_,
list,
/* access_method= */ hiddenapi::AccessMethod::kNone);
}
protected:
Thread* self_;
jobject jclass_loader_;
ArtField* class1_field1_;
ArtField* class1_field12_;
ArtMethod* class1_init_;
ArtMethod* class1_method1_;
ArtMethod* class1_method1_i_;
ArtMethod* class1_method12_;
ArtField* class12_field1_;
ArtMethod* class12_method1_;
ArtField* class2_field1_;
ArtMethod* class2_method1_;
ArtMethod* class2_method1_i_;
ArtField* class3_field1_;
ArtMethod* class3_method1_;
ArtMethod* class3_method1_i_;
};
TEST_F(HiddenApiTest, CheckGetActionFromRuntimeFlags) {
ScopedObjectAccess soa(self_);
runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kJustWarn);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Whitelist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Greylist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxP()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxO()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Blacklist()), false);
runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kEnabled);
runtime_->SetTargetSdkVersion(
static_cast<uint32_t>(hiddenapi::ApiList::GreylistMaxO().GetMaxAllowedSdkVersion()));
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Whitelist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Greylist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxP()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxO()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Blacklist()), true);
runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kEnabled);
runtime_->SetTargetSdkVersion(
static_cast<uint32_t>(hiddenapi::ApiList::GreylistMaxO().GetMaxAllowedSdkVersion()) + 1);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Whitelist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Greylist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxP()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxO()), true);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Blacklist()), true);
runtime_->SetHiddenApiEnforcementPolicy(hiddenapi::EnforcementPolicy::kEnabled);
runtime_->SetTargetSdkVersion(
static_cast<uint32_t>(hiddenapi::ApiList::GreylistMaxP().GetMaxAllowedSdkVersion()) + 1);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Whitelist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Greylist()), false);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxP()), true);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::GreylistMaxO()), true);
ASSERT_EQ(ShouldDenyAccess(hiddenapi::ApiList::Blacklist()), true);
}
TEST_F(HiddenApiTest, CheckMembersRead) {
ASSERT_NE(nullptr, class1_field1_);
ASSERT_NE(nullptr, class1_field12_);
ASSERT_NE(nullptr, class1_init_);
ASSERT_NE(nullptr, class1_method1_);
ASSERT_NE(nullptr, class1_method1_i_);
ASSERT_NE(nullptr, class1_method12_);
ASSERT_NE(nullptr, class12_field1_);
ASSERT_NE(nullptr, class12_method1_);
ASSERT_NE(nullptr, class2_field1_);
ASSERT_NE(nullptr, class2_method1_);
ASSERT_NE(nullptr, class2_method1_i_);
ASSERT_NE(nullptr, class3_field1_);
ASSERT_NE(nullptr, class3_method1_);
ASSERT_NE(nullptr, class3_method1_i_);
}
TEST_F(HiddenApiTest, CheckEverythingMatchesL) {
ScopedObjectAccess soa(self_);
std::string prefix("L");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_method1_i_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class3_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class3_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class3_method1_i_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckPackageMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class2_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class3_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class3_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class3_method1_i_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckClassMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class12_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_method1_i_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckClassExactMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class12_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class12_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class2_method1_i_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMethodMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->method1");
ASSERT_FALSE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class12_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class12_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMethodExactMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->method1(");
ASSERT_FALSE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMethodSignatureMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->method1(I)");
ASSERT_FALSE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMethodSignatureAndReturnMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->method1()V");
ASSERT_FALSE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckFieldMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->field1");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_TRUE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_i_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method12_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckFieldExactMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->field1:");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckFieldTypeMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->field1:I");
ASSERT_TRUE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_field12_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckConstructorMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;-><init>");
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckConstructorExactMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;-><init>()V");
ASSERT_TRUE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMethodSignatureTrailingCharsNoMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->method1()Vfoo");
ASSERT_FALSE(MemberSignature(class1_method1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckConstructorTrailingCharsNoMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;-><init>()Vfoo");
ASSERT_FALSE(MemberSignature(class1_init_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckFieldTrailingCharsNoMatch) {
ScopedObjectAccess soa(self_);
std::string prefix("Lmypackage/packagea/Class1;->field1:Ifoo");
ASSERT_FALSE(MemberSignature(class1_field1_).DoesPrefixMatch(prefix));
}
TEST_F(HiddenApiTest, CheckMemberSignatureForProxyClass) {
ScopedObjectAccess soa(self_);
StackHandleScope<4> hs(soa.Self());
Handle<mirror::ClassLoader> class_loader(
hs.NewHandle(soa.Decode<mirror::ClassLoader>(jclass_loader_)));
// Find interface we will create a proxy for.
Handle<mirror::Class> h_iface(hs.NewHandle(
class_linker_->FindClass(soa.Self(), "Lmypackage/packagea/Interface;", class_loader)));
ASSERT_TRUE(h_iface != nullptr);
// Create the proxy class.
std::vector<Handle<mirror::Class>> interfaces;
interfaces.push_back(h_iface);
Handle<mirror::Class> proxyClass = hs.NewHandle(proxy_test::GenerateProxyClass(
soa, jclass_loader_, runtime_->GetClassLinker(), "$Proxy1234", interfaces));
ASSERT_TRUE(proxyClass != nullptr);
ASSERT_TRUE(proxyClass->IsProxyClass());
ASSERT_TRUE(proxyClass->IsInitialized());
// Find the "method" virtual method.
ArtMethod* method = nullptr;
for (auto& m : proxyClass->GetDeclaredVirtualMethods(kRuntimePointerSize)) {
if (strcmp("method", m.GetInterfaceMethodIfProxy(kRuntimePointerSize)->GetName()) == 0) {
method = &m;
break;
}
}
ASSERT_TRUE(method != nullptr);
// Find the "interfaces" static field. This is generated for all proxies.
ArtField* field = nullptr;
for (size_t i = 0; i < proxyClass->NumStaticFields(); ++i) {
ArtField* f = proxyClass->GetStaticField(i);
if (strcmp("interfaces", f->GetName()) == 0) {
field = f;
break;
}
}
ASSERT_TRUE(field != nullptr);
// Test the signature. We expect the signature from the interface class.
std::ostringstream ss_method;
MemberSignature(method).Dump(ss_method);
ASSERT_EQ("Lmypackage/packagea/Interface;->method()V", ss_method.str());
// Test the signature. We expect the signature of the proxy class.
std::ostringstream ss_field;
MemberSignature(field).Dump(ss_field);
ASSERT_EQ("L$Proxy1234;->interfaces:[Ljava/lang/Class;", ss_field.str());
}
} // namespace art