mirror of
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124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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* Copyright (c) 2021, the SerenityOS developers.
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* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibCore/File.h>
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#include <LibTest/TestCase.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/wait.h>
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#include <unistd.h>
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TEST_CASE(test_mktemp_unique_filename)
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{
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u8* ptr = (u8*)mmap(nullptr, 0x1000, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
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EXPECT(ptr != MAP_FAILED);
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if (fork() == 0) {
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char path[] = "/tmp/test.mktemp.XXXXXX";
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auto temp_path = String::formatted("{}", mktemp(path));
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EXPECT(temp_path.characters());
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unlink(path);
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memcpy(&ptr[0], temp_path.characters(), temp_path.length());
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exit(EXIT_SUCCESS);
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} else {
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wait(NULL);
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auto path1 = String::formatted("{}", reinterpret_cast<char const*>(ptr));
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char path[] = "/tmp/test.mktemp.XXXXXX";
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auto path2 = String::formatted("{}", mktemp(path));
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EXPECT(path2.characters());
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unlink(path);
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EXPECT_NE(path1, path2);
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}
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munmap(ptr, sizeof(*ptr));
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}
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TEST_CASE(test_mkdtemp_unique_filename)
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{
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u8* ptr = (u8*)mmap(nullptr, 0x1000, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
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EXPECT_NE(ptr, MAP_FAILED);
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if (fork() == 0) {
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char path[] = "/tmp/test.mkdtemp.XXXXXX";
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auto temp_path = String::formatted("{}", mkdtemp(path));
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EXPECT(temp_path.characters());
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rmdir(path);
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memcpy(&ptr[0], temp_path.characters(), temp_path.length());
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exit(EXIT_SUCCESS);
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} else {
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wait(NULL);
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auto path1 = String::formatted("{}", reinterpret_cast<char const*>(ptr));
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char path[] = "/tmp/test.mkdtemp.XXXXXX";
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auto path2 = String::formatted("{}", mkdtemp(path));
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EXPECT(path2.characters());
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rmdir(path);
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EXPECT_NE(path1, path2);
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}
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munmap(ptr, sizeof(*ptr));
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}
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TEST_CASE(test_mkstemp_unique_filename)
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{
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u8* ptr = (u8*)mmap(nullptr, 0x1000, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
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EXPECT_NE(ptr, MAP_FAILED);
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if (fork() == 0) {
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char path[] = "/tmp/test.mkstemp.XXXXXX";
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auto fd = mkstemp(path);
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EXPECT_NE(fd, -1);
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auto temp_path_or_error = Core::File::read_link(String::formatted("/proc/{}/fd/{}", getpid(), fd));
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EXPECT(!temp_path_or_error.is_error());
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auto temp_path = temp_path_or_error.release_value();
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EXPECT(temp_path.characters());
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close(fd);
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unlink(path);
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memcpy(&ptr[0], temp_path.characters(), temp_path.length());
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exit(EXIT_SUCCESS);
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} else {
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wait(NULL);
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auto path1 = String::formatted("{}", reinterpret_cast<char const*>(ptr));
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char path[] = "/tmp/test.mkstemp.XXXXXX";
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auto fd = mkstemp(path);
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EXPECT(fd != -1);
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auto path2_or_error = Core::File::read_link(String::formatted("/proc/{}/fd/{}", getpid(), fd));
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EXPECT(!path2_or_error.is_error());
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auto path2 = path2_or_error.release_value();
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EXPECT(path2.characters());
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close(fd);
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unlink(path);
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EXPECT_NE(path1, path2);
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}
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munmap(ptr, sizeof(*ptr));
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}
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