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/*
* Copyright (c) 2006-2026, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "tc_af_unix.h"
#define TC_AF_UNIX_NAMESPACE_REPEAT 8
static void tc_af_unix_pathname_lifetime(void)
{
char path[TC_AF_UNIX_PATH_MAX];
int error;
int first = -1;
int result;
int second = -1;
struct sockaddr_un address;
struct stat file_stat;
tc_af_unix_path(path, sizeof(path), "utafupath");
(void)unlink(path);
tc_af_unix_make_address(&address, path);
first = socket(AF_UNIX, SOCK_DGRAM, 0);
uassert_true(first >= 0);
if (first < 0)
{
goto __exit;
}
uassert_int_equal(bind(first, (struct sockaddr *)&address, sizeof(address)),
0);
uassert_int_equal(stat(path, &file_stat), 0);
uassert_true(S_ISSOCK(file_stat.st_mode));
tc_af_unix_closesocket(&first);
uassert_int_equal(stat(path, &file_stat), 0);
uassert_true(S_ISSOCK(file_stat.st_mode));
second = socket(AF_UNIX, SOCK_DGRAM, 0);
uassert_true(second >= 0);
if (second < 0)
{
goto __exit;
}
result = bind(second, (struct sockaddr *)&address, sizeof(address));
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, EADDRINUSE);
uassert_int_equal(unlink(path), 0);
uassert_int_equal(bind(second, (struct sockaddr *)&address,
sizeof(address)),
0);
__exit:
tc_af_unix_closesocket(&second);
tc_af_unix_closesocket(&first);
(void)unlink(path);
}
static void tc_af_unix_lookup_after_close(void)
{
char path[TC_AF_UNIX_PATH_MAX];
int client = -1;
int error;
int result;
int server = -1;
struct sockaddr_un address;
tc_af_unix_path(path, sizeof(path), "utafuref");
(void)unlink(path);
tc_af_unix_make_address(&address, path);
server = socket(AF_UNIX, SOCK_STREAM, 0);
client = socket(AF_UNIX, SOCK_STREAM, 0);
uassert_true(server >= 0);
uassert_true(client >= 0);
if (server < 0 || client < 0)
{
goto __exit;
}
uassert_int_equal(bind(server, (struct sockaddr *)&address,
sizeof(address)),
0);
uassert_int_equal(listen(server, 1), 0);
tc_af_unix_closesocket(&server);
result = connect(client, (struct sockaddr *)&address, sizeof(address));
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, ECONNREFUSED);
uassert_int_equal(unlink(path), 0);
result = connect(client, (struct sockaddr *)&address, sizeof(address));
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, ENOENT);
__exit:
tc_af_unix_closesocket(&client);
tc_af_unix_closesocket(&server);
(void)unlink(path);
}
static void tc_af_unix_namespace_reuse(void)
{
char name[16];
char path[TC_AF_UNIX_PATH_MAX];
int client = -1;
int error;
int index;
int result;
int sock = -1;
struct sockaddr_un address;
for (index = 0; index < TC_AF_UNIX_NAMESPACE_REPEAT; index++)
{
rt_snprintf(name, sizeof(name), "utafuns%d", index);
tc_af_unix_path(path, sizeof(path), name);
(void)unlink(path);
tc_af_unix_make_address(&address, path);
sock = socket(AF_UNIX, SOCK_DGRAM, 0);
uassert_true(sock >= 0);
if (sock < 0)
{
return;
}
uassert_int_equal(bind(sock, (struct sockaddr *)&address,
sizeof(address)),
0);
tc_af_unix_closesocket(&sock);
uassert_int_equal(unlink(path), 0);
}
tc_af_unix_path(path, sizeof(path), "utafuns0");
tc_af_unix_make_address(&address, path);
client = socket(AF_UNIX, SOCK_DGRAM, 0);
uassert_true(client >= 0);
if (client < 0)
{
return;
}
result = connect(client, (struct sockaddr *)&address, sizeof(address));
error = rt_get_errno();
uassert_int_equal(result, -1);
uassert_int_equal(error, ENOENT);
tc_af_unix_closesocket(&client);
tc_af_unix_path(path, sizeof(path), "utafunew");
(void)unlink(path);
tc_af_unix_make_address(&address, path);
sock = socket(AF_UNIX, SOCK_DGRAM, 0);
uassert_true(sock >= 0);
if (sock < 0)
{
return;
}
uassert_int_equal(bind(sock, (struct sockaddr *)&address, sizeof(address)),
0);
tc_af_unix_closesocket(&sock);
(void)unlink(path);
}
static void tc_af_unix_namespace_testcase(void)
{
UTEST_UNIT_RUN(tc_af_unix_pathname_lifetime);
UTEST_UNIT_RUN(tc_af_unix_lookup_after_close);
UTEST_UNIT_RUN(tc_af_unix_namespace_reuse);
}
UTEST_TC_EXPORT(tc_af_unix_namespace_testcase,
"components.dfs.v2.af_unix.namespace", RT_NULL, RT_NULL, 15);
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