1 | /* Check if DT_AUDIT a module with la_plt{enter,exit} call la_symbind |
2 | for lazy resolution. |
3 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
4 | This file is part of the GNU C Library. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <getopt.h> |
21 | #include <support/capture_subprocess.h> |
22 | #include <support/check.h> |
23 | #include <support/xstdio.h> |
24 | #include <stdlib.h> |
25 | #include <string.h> |
26 | #include <stdbool.h> |
27 | |
28 | static int restart; |
29 | #define CMDLINE_OPTIONS \ |
30 | { "restart", no_argument, &restart, 1 }, |
31 | |
32 | int tst_audit18bmod1_func (void); |
33 | |
34 | static int |
35 | handle_restart (void) |
36 | { |
37 | TEST_COMPARE (tst_audit18bmod1_func (), 10); |
38 | return 0; |
39 | } |
40 | |
41 | static inline bool |
42 | startswith (const char *str, const char *pre) |
43 | { |
44 | size_t lenpre = strlen (s: pre); |
45 | size_t lenstr = strlen (s: str); |
46 | return lenstr < lenpre ? false : memcmp (s1: pre, s2: str, n: lenpre) == 0; |
47 | } |
48 | |
49 | static int |
50 | do_test (int argc, char *argv[]) |
51 | { |
52 | /* We must have either: |
53 | - One our fource parameters left if called initially: |
54 | + path to ld.so optional |
55 | + "--library-path" optional |
56 | + the library path optional |
57 | + the application name */ |
58 | |
59 | if (restart) |
60 | return handle_restart (); |
61 | |
62 | char *spargv[9]; |
63 | int i = 0; |
64 | for (; i < argc - 1; i++) |
65 | spargv[i] = argv[i + 1]; |
66 | spargv[i++] = (char *) "--direct" ; |
67 | spargv[i++] = (char *) "--restart" ; |
68 | spargv[i] = NULL; |
69 | |
70 | setenv (name: "LD_AUDIT" , value: "tst-auditmod18b.so" , replace: 0); |
71 | struct support_capture_subprocess result |
72 | = support_capture_subprogram (file: spargv[0], argv: spargv); |
73 | support_capture_subprocess_check (&result, context: "tst-audit18b" , status_or_signal: 0, allowed: sc_allow_stderr); |
74 | |
75 | bool find_symbind = false; |
76 | |
77 | FILE *out = fmemopen (s: result.err.buffer, len: result.err.length, modes: "r" ); |
78 | TEST_VERIFY (out != NULL); |
79 | char *buffer = NULL; |
80 | size_t buffer_length = 0; |
81 | while (xgetline (lineptr: &buffer, n: &buffer_length, stream: out)) |
82 | if (startswith (str: buffer, pre: "la_symbind: tst_audit18bmod1_func" ) == 0) |
83 | find_symbind = true; |
84 | |
85 | TEST_COMPARE (find_symbind, true); |
86 | |
87 | free (ptr: buffer); |
88 | xfclose (out); |
89 | |
90 | return 0; |
91 | } |
92 | |
93 | #define TEST_FUNCTION_ARGV do_test |
94 | #include <support/test-driver.c> |
95 | |