1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* 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
|