1/*
2 * Copyright (C) 2024 HiHope Open Source Organization.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <cerrno>
17#include <cstdio>
18#include <cstdlib>
19#include <string>
20#include <vector>
21#include <fcntl.h>
22#include <pthread.h>
23#include <unistd.h>
24#include <arpa/inet.h>
25#include <gtest/gtest.h>
26#include <netinet/in.h>
27#include <sys/stat.h>
28#include <sys/socket.h>
29#include <sys/types.h>
30#include "securec.h"
31
32using namespace testing::ext;
33
34static const int BAD_SOCKET_FD = -1;
35static const int BUFFER_SIZE = 1024;
36static const int TEST_PORT = 22354;
37static const char *TEST_LOCAL_IP = "127.0.0.1";
38static const char *TEST_EXIT = "exit";
39static int g_serviceFd = -1;
40
41class HatsGetInfoTest : public testing::Test {
42public:
43    static void SetUpTestCase();
44    static void TearDownTestCase();
45    void SetUp();
46    void TearDown();
47private:
48};
49void HatsGetInfoTest::SetUp()
50{
51    int ret;
52    int socketFd = -1;
53    int32_t optVal = 1;
54    struct sockaddr_in serAddr = {
55        .sin_family = AF_INET,
56        .sin_port = htons(TEST_PORT),
57        .sin_addr = {
58            .s_addr = inet_addr(TEST_LOCAL_IP),
59        }
60    };
61
62    socketFd = socket(AF_INET, SOCK_STREAM, 0);
63    EXPECT_TRUE(socketFd > 0);
64
65    ret = setsockopt(socketFd, SOL_SOCKET, SO_REUSEADDR, &optVal, sizeof(optVal));
66    EXPECT_EQ(ret, 0);
67
68    ret = bind(socketFd, reinterpret_cast<struct sockaddr *>(&serAddr), sizeof(serAddr));
69    EXPECT_EQ(ret, 0);
70
71    g_serviceFd = socketFd;
72}
73void HatsGetInfoTest::TearDown()
74{
75    close(g_serviceFd);
76    g_serviceFd = -1;
77}
78void HatsGetInfoTest::SetUpTestCase()
79{
80}
81void HatsGetInfoTest::TearDownTestCase()
82{
83}
84
85static void *ClientConnect(void *args)
86{
87    int ret;
88    ssize_t size;
89    int clientFd = -1;
90    char buffer[BUFFER_SIZE] = { 0 };
91    struct sockaddr_in serAddr = {
92        .sin_family = AF_INET,
93        .sin_port = htons(TEST_PORT),
94        .sin_addr = {
95            .s_addr = inet_addr(TEST_LOCAL_IP),
96        }
97    };
98
99    clientFd = socket(AF_INET, SOCK_STREAM, 0);
100    EXPECT_TRUE(clientFd > 0);
101
102    ret = connect(clientFd, reinterpret_cast<struct sockaddr *>(&serAddr), sizeof(struct sockaddr_in));
103    EXPECT_EQ(ret, 0);
104    size = recv(clientFd, static_cast<void *>(buffer), BUFFER_SIZE, 0);
105    EXPECT_EQ(size, strlen(TEST_EXIT));
106    EXPECT_STREQ(buffer, TEST_EXIT);
107
108    close(clientFd);
109    return nullptr;
110}
111
112/*
113 * @tc.number : SUB_KERNEL_SYSCALL_GETPEERNAME_0100
114 * @tc.name   : GetpeernameValidSockfdSuccess_0001
115 * @tc.desc   : getpeername valid sockfd success.
116 * @tc.size   : MediumTest
117 * @tc.type   : Function
118 * @tc.level  : Level 1
119 */
120HWTEST_F(HatsGetInfoTest, GetpeernameValidSockfdSuccess_0001, Function | MediumTest | Level1)
121{
122    int ret;
123    ssize_t size;
124    pthread_t thread;
125    int acceptFd = -1;
126    int32_t backLog = 5;
127    struct sockaddr_in dstAddr = { 0 };
128    struct sockaddr_in peerAddr;
129    socklen_t addrLen = sizeof(struct sockaddr_in);
130    socklen_t peerLen = sizeof(struct sockaddr_in);
131
132    ret = listen(g_serviceFd, backLog);
133    EXPECT_EQ(ret, 0);
134
135    pthread_create(&thread, nullptr, ClientConnect, nullptr);
136
137    acceptFd = accept4(g_serviceFd, reinterpret_cast<struct sockaddr *>(&dstAddr), &addrLen, 0);
138    EXPECT_TRUE(acceptFd > 0);
139    ret = getpeername(acceptFd, reinterpret_cast<struct sockaddr *>(&peerAddr), &peerLen);
140    EXPECT_EQ(ret, 0);
141    EXPECT_STREQ(inet_ntoa(peerAddr.sin_addr), TEST_LOCAL_IP);
142    EXPECT_EQ(peerLen, sizeof(struct sockaddr));
143
144    size = send(acceptFd, TEST_EXIT, strlen(TEST_EXIT), 0);
145    EXPECT_EQ(size, strlen(TEST_EXIT));
146
147    close(acceptFd);
148    pthread_join(thread, nullptr);
149}
150
151/*
152 * @tc.number : SUB_KERNEL_SYSCALL_GETPEERNAME_0200
153 * @tc.name   : GetpeernameInvalidSockfdFailed_0002
154 * @tc.desc   : getpeername invalid sockfd failed.
155 * @tc.size   : MediumTest
156 * @tc.type   : Function
157 * @tc.level  : Level 2
158 */
159HWTEST_F(HatsGetInfoTest, GetpeernameInvalidSockfdFailed_0002, Function | MediumTest | Level2)
160{
161    int ret;
162    struct sockaddr_in peerAddr;
163    socklen_t peerLen = sizeof(struct sockaddr_in);
164
165    errno = 0;
166    ret = getpeername(BAD_SOCKET_FD, reinterpret_cast<struct sockaddr *>(&peerAddr), &peerLen);
167    EXPECT_EQ(ret, -1);
168    EXPECT_EQ(errno, EBADF);
169
170    errno = 0;
171    ret = getpeername(STDIN_FILENO, reinterpret_cast<struct sockaddr *>(&peerAddr), &peerLen);
172    EXPECT_EQ(ret, -1);
173    EXPECT_EQ(errno, ENOTSOCK);
174
175    errno = 0;
176    ret = getpeername(g_serviceFd, reinterpret_cast<struct sockaddr *>(&peerAddr), &peerLen);
177    EXPECT_EQ(ret, -1);
178    EXPECT_EQ(errno, ENOTCONN);
179}
180