xref: /third_party/musl/libc-test/src/functionalext/dlns/dlns_special_scene.c

/**
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * 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 <dlfcn.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>

#include "dlns_test.h"
#include "functionalext.h"

/**
 * @tc.name      : dlopen_ns_special_0100
 * @tc.desc      : Loading the same library multiple times from the same namespace.
 * @tc.level     : Level 2
 */
void dlopen_ns_special_0100(void)
{
    Dl_namespace dlns_default;
    dlns_get(NULL, &dlns_default);
    Dl_namespace dlns;
    dlns_init(&dlns, "ns_no_allowed_libs");
    dlns_inherit(&dlns, &dlns_default, "libc++.so");

    void* handle1 = dlopen_ns(&dlns, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0100", handle1);

    void* handle2 = dlopen_ns(&dlns, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0100", handle2);

    void* handle3 = dlopen_ns(&dlns, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0100", handle3);

    dlclose(handle1);
    dlclose(handle2);
    dlclose(handle3);
}

/**
 * @tc.name      : dlopen_ns_special_0200
 * @tc.desc      : Loading the same library multiple times in different namespaces.
 * @tc.level     : Level 2
 */
void dlopen_ns_special_0200(void)
{
    Dl_namespace dlns_default;
    dlns_get(NULL, &dlns_default);
    Dl_namespace dlns_no_allowed_libs, dlns_normal, dlns_wrong_lib_path;
    dlns_init(&dlns_no_allowed_libs, "ns_no_allowed_libs");
    dlns_init(&dlns_normal, "ns_normal");
    dlns_init(&dlns_wrong_lib_path, "inherited_class");
    dlns_inherit(&dlns_no_allowed_libs, &dlns_default, "libc++.so");
    dlns_inherit(&dlns_normal, &dlns_default, "libc++.so");
    dlns_inherit(&dlns_wrong_lib_path, &dlns_default, "libc++.so");

    void* handle1 = dlopen_ns(&dlns_no_allowed_libs, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0200", handle1);

    void* handle2 = dlopen_ns(&dlns_normal, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0200", handle2);

    void* handle3 = dlopen_ns(&dlns_wrong_lib_path, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_special_0200", handle3);

    dlclose(handle1);
    dlclose(handle2);
    dlclose(handle3);
}

/**
 * @tc.name      : dlopen_ns_sys_path_0100
 * @tc.desc      : arm platform, lib_paths in the default namespace is the system path
 *                  read in the ld-musl-namespace-arm.ini file
 * @tc.level     : Level 2
 */
void dlopen_ns_sys_path_0100(void)
{
    Dl_namespace dlns;
    dlns_init(&dlns, "default");
    void* handle = dlopen_ns(&dlns, dllName, RTLD_LAZY);
    EXPECT_TRUE("dlopen_ns_sys_path_0100", handle);
    dlclose(handle);
}

int main(void)
{
    dlopen_ns_special_0100();
    dlopen_ns_special_0200();
    dlopen_ns_sys_path_0100();

    return t_status;
}