98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*
|
|
* Copyright (C) 2021 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 <binder/MemoryHeapBase.h>
|
|
#include <cutils/ashmem.h>
|
|
#include <fcntl.h>
|
|
|
|
#include <gtest/gtest.h>
|
|
using namespace android;
|
|
#ifdef __BIONIC__
|
|
TEST(MemoryHeapBase, ForceMemfdRespected) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(10, MemoryHeapBase::FORCE_MEMFD, "Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
EXPECT_NE(fd, -1);
|
|
EXPECT_FALSE(ashmem_valid(fd));
|
|
EXPECT_NE(fcntl(fd, F_GET_SEALS), -1);
|
|
}
|
|
|
|
TEST(MemoryHeapBase, MemfdSealed) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::FORCE_MEMFD,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
EXPECT_NE(fd, -1);
|
|
EXPECT_EQ(fcntl(fd, F_GET_SEALS), F_SEAL_SEAL);
|
|
}
|
|
|
|
TEST(MemoryHeapBase, MemfdUnsealed) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::FORCE_MEMFD |
|
|
MemoryHeapBase::MEMFD_ALLOW_SEALING,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
EXPECT_NE(fd, -1);
|
|
EXPECT_EQ(fcntl(fd, F_GET_SEALS), 0);
|
|
}
|
|
|
|
TEST(MemoryHeapBase, MemfdSealedProtected) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::FORCE_MEMFD |
|
|
MemoryHeapBase::READ_ONLY,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
EXPECT_NE(fd, -1);
|
|
EXPECT_EQ(fcntl(fd, F_GET_SEALS), F_SEAL_SEAL | F_SEAL_FUTURE_WRITE);
|
|
}
|
|
|
|
TEST(MemoryHeapBase, MemfdUnsealedProtected) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::FORCE_MEMFD |
|
|
MemoryHeapBase::READ_ONLY |
|
|
MemoryHeapBase::MEMFD_ALLOW_SEALING,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
EXPECT_NE(fd, -1);
|
|
EXPECT_EQ(fcntl(fd, F_GET_SEALS), F_SEAL_FUTURE_WRITE);
|
|
}
|
|
|
|
#else
|
|
TEST(MemoryHeapBase, HostMemfdExpected) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::READ_ONLY,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
void* ptr = mHeap->getBase();
|
|
EXPECT_NE(ptr, MAP_FAILED);
|
|
EXPECT_TRUE(ashmem_valid(fd));
|
|
EXPECT_EQ(mHeap->getFlags(), MemoryHeapBase::READ_ONLY);
|
|
}
|
|
|
|
TEST(MemoryHeapBase,HostMemfdException) {
|
|
auto mHeap = sp<MemoryHeapBase>::make(8192,
|
|
MemoryHeapBase::FORCE_MEMFD |
|
|
MemoryHeapBase::READ_ONLY |
|
|
MemoryHeapBase::MEMFD_ALLOW_SEALING,
|
|
"Test mapping");
|
|
int fd = mHeap->getHeapID();
|
|
void* ptr = mHeap->getBase();
|
|
EXPECT_EQ(mHeap->getFlags(), MemoryHeapBase::READ_ONLY);
|
|
EXPECT_TRUE(ashmem_valid(fd));
|
|
EXPECT_NE(ptr, MAP_FAILED);
|
|
}
|
|
|
|
#endif
|