Differential D29334 Diff 85997 libexec/rtld-elf/tests/ld_preload_fds.c

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libexec/rtld-elf/tests/ld_preload_fds.c

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				/*-
				* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
				* Copyright 2021 Mariusz Zaborski <oshogbo@FreeBSD.org>
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				* 1. Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
				* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
				* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
				* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
				* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
				* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
				* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
				* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
				* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
				* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
				*
				* $FreeBSD$
				*/

				#include <atf-c.h>
				#include <fcntl.h>
				#include <stdio.h>

				#include "common.h"

				int binaryfd;
				int libraryfd;

				static void
				setup(const atf_tc_t *tc)
				{
				int testdir;

				testdir = opendir(atf_tc_get_config_var(tc, "srcdir"));
				ATF_REQUIRE(testdir >= 0);

				binaryfd = openat(testdir, TARGET_ELF_NAME, O_RDONLY);
				ATF_REQUIRE(binaryfd >= 0);
				libraryfd = openat(testdir, TARGET_LIBRARY, O_RDONLY);
				ATF_REQUIRE(libraryfd >= 0);

				close(testdir);
				}

				ATF_TC_WITHOUT_HEAD(missing_library);
				ATF_TC_BODY(missing_library, tc)
				{

				setup(tc);
				expect_missing_library(binaryfd, NULL);
				}

				ATF_TC_WITHOUT_HEAD(bad_librarys);
				ATF_TC_BODY(bad_librarys, tc)
				{
				char *senv;

				ATF_REQUIRE(asprintf(&senv, "LD_PRELOAD_FDS=::") > 0);

				setup(tc);
				expect_missing_library(binaryfd, senv);
				}

				ATF_TC_WITHOUT_HEAD(single_library);
				ATF_TC_BODY(single_library, tc)
				{
				char *senv;

				setup(tc);

				ATF_REQUIRE(
				asprintf(&senv, "LD_PRELOAD_FDS=%d", libraryfd) > 0);

				expect_success(binaryfd, senv);
				}

				ATF_TC_WITHOUT_HEAD(two_librarys);
				ATF_TC_BODY(two_librarys, tc)
				{
				char *senv;

				setup(tc);

				ATF_REQUIRE(
				asprintf(&senv, "LD_PRELOAD_FDS=%d:%d", libraryfd, libraryfd) > 0);

				expect_success(binaryfd, senv);
				}

				/* Register test cases with ATF. */
				ATF_TP_ADD_TCS(tp)
				{

				ATF_TP_ADD_TC(tp, missing_library);
				ATF_TP_ADD_TC(tp, bad_librarys);
				ATF_TP_ADD_TC(tp, single_library);
				ATF_TP_ADD_TC(tp, two_librarys);

				return atf_no_error();
				}