glibc/elf/tst-audit19b.c

95 lines
2.6 KiB
C

/* Check if DT_AUDIT a module with la_plt{enter,exit} call la_symbind
for lazy resolution.
Copyright (C) 2021-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <getopt.h>
#include <support/capture_subprocess.h>
#include <support/check.h>
#include <support/xstdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
static int restart;
#define CMDLINE_OPTIONS \
{ "restart", no_argument, &restart, 1 },
int tst_audit18bmod1_func (void);
static int
handle_restart (void)
{
TEST_COMPARE (tst_audit18bmod1_func (), 10);
return 0;
}
static inline bool
startswith (const char *str, const char *pre)
{
size_t lenpre = strlen (pre);
size_t lenstr = strlen (str);
return lenstr < lenpre ? false : memcmp (pre, str, lenpre) == 0;
}
static int
do_test (int argc, char *argv[])
{
/* We must have either:
- One our fource parameters left if called initially:
+ path to ld.so optional
+ "--library-path" optional
+ the library path optional
+ the application name */
if (restart)
return handle_restart ();
char *spargv[9];
int i = 0;
for (; i < argc - 1; i++)
spargv[i] = argv[i + 1];
spargv[i++] = (char *) "--direct";
spargv[i++] = (char *) "--restart";
spargv[i] = NULL;
setenv ("LD_AUDIT", "tst-auditmod18b.so", 0);
struct support_capture_subprocess result
= support_capture_subprogram (spargv[0], spargv);
support_capture_subprocess_check (&result, "tst-audit18b", 0, sc_allow_stderr);
bool find_symbind = false;
FILE *out = fmemopen (result.err.buffer, result.err.length, "r");
TEST_VERIFY (out != NULL);
char *buffer = NULL;
size_t buffer_length = 0;
while (xgetline (&buffer, &buffer_length, out))
if (startswith (buffer, "la_symbind: tst_audit18bmod1_func") == 0)
find_symbind = true;
TEST_COMPARE (find_symbind, true);
free (buffer);
xfclose (out);
return 0;
}
#define TEST_FUNCTION_ARGV do_test
#include <support/test-driver.c>