1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <netinet/in.h>
18 
19 #include <errno.h>
20 #include <sys/cdefs.h>
21 
22 #include <gtest/gtest.h>
23 
24 #include <android-base/macros.h>
25 
26 #include "utils.h"
27 
28 static constexpr uint16_t le16 = 0x1234;
29 static constexpr uint32_t le32 = 0x12345678;
30 static constexpr uint64_t le64 = 0x123456789abcdef0;
31 
32 static constexpr uint16_t be16 = 0x3412;
33 static constexpr uint32_t be32 = 0x78563412;
34 static constexpr uint64_t be64 = 0xf0debc9a78563412;
35 
TEST(netinet_in,bindresvport)36 TEST(netinet_in, bindresvport) {
37 #if !defined(ANDROID_HOST_MUSL)
38   // This isn't something we can usually test (because you need to be root),
39   // so just check the symbol's there.
40   ASSERT_EQ(-1, bindresvport(-1, nullptr));
41 
42   // Only AF_INET is supported.
43   sockaddr_in sin = {.sin_family = AF_INET6};
44   errno = 0;
45   ASSERT_EQ(-1, bindresvport(-1, &sin));
46   ASSERT_ERRNO(EPFNOSUPPORT);
47 #else
48   GTEST_SKIP() << "musl doesn't support bindresvport";
49 #endif
50 }
51 
TEST(netinet_in,in6addr_any)52 TEST(netinet_in, in6addr_any) {
53   in6_addr any = IN6ADDR_ANY_INIT;
54   ASSERT_EQ(0, memcmp(&any, &in6addr_any, sizeof(in6addr_any)));
55 }
56 
TEST(netinet_in,in6addr_loopback)57 TEST(netinet_in, in6addr_loopback) {
58   in6_addr loopback = IN6ADDR_LOOPBACK_INIT;
59   ASSERT_EQ(0, memcmp(&loopback, &in6addr_loopback, sizeof(in6addr_loopback)));
60 }
61 
TEST(netinet_in,htons_function)62 TEST(netinet_in, htons_function) {
63   ASSERT_EQ(be16, (htons)(le16));
64 }
65 
TEST(netinet_in,htonl_function)66 TEST(netinet_in, htonl_function) {
67   ASSERT_EQ(be32, (htonl)(le32));
68 }
69 
TEST(netinet_in,htonq_macro)70 TEST(netinet_in, htonq_macro) {
71 #if defined(__BIONIC__)
72   ASSERT_EQ(be64, htonq(le64));
73 #else
74   UNUSED(be64);
75 #endif
76 }
77 
TEST(netinet_in,ntohs_function)78 TEST(netinet_in, ntohs_function) {
79   ASSERT_EQ(le16, (ntohs)(be16));
80 }
81 
TEST(netinet_in,ntohl_function)82 TEST(netinet_in, ntohl_function) {
83   ASSERT_EQ(le32, (ntohl)(be32));
84 }
85 
TEST(netinet_in,ntohq_macro)86 TEST(netinet_in, ntohq_macro) {
87 #if defined(__BIONIC__)
88   ASSERT_EQ(le64, ntohq(be64));
89 #else
90   UNUSED(le64);
91 #endif
92 }
93 
TEST(netinet_in,ip_mreq_source_fields)94 TEST(netinet_in, ip_mreq_source_fields) {
95   // https://issuetracker.google.com/36987220
96   ip_mreq_source mreq;
97   mreq.imr_interface.s_addr = htonl(INADDR_ANY);
98   mreq.imr_multiaddr.s_addr = htonl(INADDR_ANY);
99   mreq.imr_sourceaddr.s_addr = htonl(INADDR_ANY);
100 }
101