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32612615 | 1 | /* Check LD_AUDIT and LD_BIND_NOW. |
dff8da6b | 2 | Copyright (C) 2022-2024 Free Software Foundation, Inc. |
32612615 AZ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
d4facb63 | 19 | #include <array_length.h> |
32612615 AZ |
20 | #include <errno.h> |
21 | #include <getopt.h> | |
22 | #include <limits.h> | |
23 | #include <inttypes.h> | |
24 | #include <string.h> | |
25 | #include <stdlib.h> | |
26 | #include <support/capture_subprocess.h> | |
27 | #include <support/check.h> | |
28 | #include <support/xstdio.h> | |
29 | #include <support/support.h> | |
30 | #include <sys/auxv.h> | |
31 | ||
d4facb63 AZ |
32 | #include "tst-audit25.h" |
33 | ||
32612615 AZ |
34 | static int restart; |
35 | #define CMDLINE_OPTIONS \ | |
36 | { "restart", no_argument, &restart, 1 }, | |
37 | ||
38 | void tst_audit25mod1_func1 (void); | |
39 | void tst_audit25mod1_func2 (void); | |
40 | void tst_audit25mod2_func1 (void); | |
41 | void tst_audit25mod2_func2 (void); | |
42 | ||
43 | static int | |
44 | handle_restart (void) | |
45 | { | |
46 | tst_audit25mod1_func1 (); | |
47 | tst_audit25mod1_func2 (); | |
48 | tst_audit25mod2_func1 (); | |
49 | tst_audit25mod2_func2 (); | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
32612615 AZ |
54 | static int |
55 | do_test (int argc, char *argv[]) | |
56 | { | |
57 | /* We must have either: | |
58 | - One or four parameters left if called initially: | |
59 | + path to ld.so optional | |
60 | + "--library-path" optional | |
61 | + the library path optional | |
62 | + the application name */ | |
63 | ||
64 | if (restart) | |
65 | return handle_restart (); | |
66 | ||
67 | setenv ("LD_AUDIT", "tst-auditmod25.so", 0); | |
68 | ||
69 | char *spargv[9]; | |
70 | int i = 0; | |
71 | for (; i < argc - 1; i++) | |
72 | spargv[i] = argv[i + 1]; | |
73 | spargv[i++] = (char *) "--direct"; | |
74 | spargv[i++] = (char *) "--restart"; | |
75 | spargv[i] = NULL; | |
76 | ||
77 | { | |
78 | struct support_capture_subprocess result | |
79 | = support_capture_subprogram (spargv[0], spargv); | |
80 | support_capture_subprocess_check (&result, "tst-audit25a", 0, | |
81 | sc_allow_stderr); | |
82 | ||
83 | /* tst-audit25a and tst-audit25mod1 are built with -Wl,-z,now, but | |
84 | tst-audit25mod2 is built with -Wl,-z,lazy. So only | |
85 | tst_audit25mod4_func1 (called by tst_audit25mod2_func1) should not | |
86 | have LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. */ | |
d4facb63 AZ |
87 | const char *expected[] = |
88 | { | |
89 | "la_symbind: tst_audit25mod3_func1 1\n", | |
90 | "la_symbind: tst_audit25mod1_func1 1\n", | |
91 | "la_symbind: tst_audit25mod2_func1 1\n", | |
92 | "la_symbind: tst_audit25mod1_func2 1\n", | |
93 | "la_symbind: tst_audit25mod2_func2 1\n", | |
94 | "la_symbind: tst_audit25mod4_func1 0\n", | |
95 | }; | |
96 | compare_output (result.err.buffer, result.err.length, | |
97 | expected, array_length(expected)); | |
32612615 AZ |
98 | |
99 | support_capture_subprocess_free (&result); | |
100 | } | |
101 | ||
102 | { | |
103 | setenv ("LD_BIND_NOW", "1", 0); | |
104 | struct support_capture_subprocess result | |
105 | = support_capture_subprogram (spargv[0], spargv); | |
106 | support_capture_subprocess_check (&result, "tst-audit25a", 0, | |
107 | sc_allow_stderr); | |
108 | ||
109 | /* With LD_BIND_NOW all symbols are expected to have | |
110 | LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. Also the resolution | |
111 | order is done in breadth-first order. */ | |
d4facb63 AZ |
112 | const char *expected[] = |
113 | { | |
114 | "la_symbind: tst_audit25mod4_func1 1\n", | |
115 | "la_symbind: tst_audit25mod3_func1 1\n", | |
116 | "la_symbind: tst_audit25mod1_func1 1\n", | |
117 | "la_symbind: tst_audit25mod2_func1 1\n", | |
118 | "la_symbind: tst_audit25mod1_func2 1\n", | |
119 | "la_symbind: tst_audit25mod2_func2 1\n", | |
120 | }; | |
121 | compare_output (result.err.buffer, result.err.length, | |
122 | expected, array_length(expected)); | |
32612615 AZ |
123 | |
124 | support_capture_subprocess_free (&result); | |
125 | } | |
126 | ||
127 | return 0; | |
128 | } | |
129 | ||
130 | #define TEST_FUNCTION_ARGV do_test | |
131 | #include <support/test-driver.c> |