xref: /freebsd/libexec/rtld-elf/tests/common.c (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  * Copyright 2014 Jonathan Anderson.
4  * Copyright 2021 Mariusz Zaborski <oshogbo@FreeBSD.org>
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <atf-c.h>
28 #include <fcntl.h>
29 #include <stdio.h>
30 
31 #include "common.h"
32 
33 void
34 expect_success(int binary, char *senv)
35 {
36 	char * const env[] = { senv, NULL };
37 
38 	try_to_run(binary, 0, env, "the hypotenuse of 3 and 4 is 5\n", "");
39 }
40 
41 void
42 expect_missing_library(int binary, char *senv)
43 {
44 	char * const env[] = { senv, NULL };
45 
46 	try_to_run(binary, 1, env, "",
47 	   "ld-elf.so.1: Shared object \"libpythagoras.so.0\" not found,"
48 	    " required by \"target\"\n");
49 }
50 
51 void
52 try_to_run(int binary, int exit_status, char * const *env,
53         const char *expected_out, const char *expected_err)
54 {
55 	pid_t child = atf_utils_fork();
56 
57 	if (child == 0) {
58 		char * const args[] = { "target", NULL };
59 
60 		fexecve(binary, args, env);
61 		atf_tc_fail("fexecve() failed");
62 	}
63 
64 	atf_utils_wait(child, exit_status, expected_out, expected_err);
65 }
66 
67 int
68 opendir_fd(const char *name)
69 {
70 
71 	return open(name, O_RDONLY | O_DIRECTORY);
72 }
73 
74 int
75 opendirat(int parent, const char *name)
76 {
77 
78 	return openat(parent, name, O_RDONLY | O_DIRECTORY);
79 }
80