mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 17:53:37 +08:00
d4facb63ff
The static linker might impose any order or internal function position, so change the test to check if the audit prints the symbol only once in any order.
132 lines
3.9 KiB
C
132 lines
3.9 KiB
C
/* Check LD_AUDIT and LD_BIND_NOW.
|
|
Copyright (C) 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 <array_length.h>
|
|
#include <errno.h>
|
|
#include <getopt.h>
|
|
#include <limits.h>
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <support/capture_subprocess.h>
|
|
#include <support/check.h>
|
|
#include <support/xstdio.h>
|
|
#include <support/support.h>
|
|
#include <sys/auxv.h>
|
|
|
|
#include "tst-audit25.h"
|
|
|
|
static int restart;
|
|
#define CMDLINE_OPTIONS \
|
|
{ "restart", no_argument, &restart, 1 },
|
|
|
|
void tst_audit25mod1_func1 (void);
|
|
void tst_audit25mod1_func2 (void);
|
|
void tst_audit25mod2_func1 (void);
|
|
void tst_audit25mod2_func2 (void);
|
|
|
|
static int
|
|
handle_restart (void)
|
|
{
|
|
tst_audit25mod1_func1 ();
|
|
tst_audit25mod1_func2 ();
|
|
tst_audit25mod2_func1 ();
|
|
tst_audit25mod2_func2 ();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_test (int argc, char *argv[])
|
|
{
|
|
/* We must have either:
|
|
- One or four 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 ();
|
|
|
|
setenv ("LD_AUDIT", "tst-auditmod25.so", 0);
|
|
|
|
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;
|
|
TEST_VERIFY_EXIT (i < array_length (spargv));
|
|
|
|
{
|
|
struct support_capture_subprocess result
|
|
= support_capture_subprogram (spargv[0], spargv);
|
|
support_capture_subprocess_check (&result, "tst-audit25a", 0,
|
|
sc_allow_stderr);
|
|
|
|
/* tst-audit25a is build with -Wl,-z,lazy and tst-audit25mod1 with
|
|
-Wl,-z,now; so only tst_audit25mod3_func1 should be expected to
|
|
have LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. */
|
|
const char *expected[] =
|
|
{
|
|
"la_symbind: tst_audit25mod1_func1 0\n",
|
|
"la_symbind: tst_audit25mod1_func2 0\n",
|
|
"la_symbind: tst_audit25mod2_func1 0\n",
|
|
"la_symbind: tst_audit25mod2_func2 0\n",
|
|
"la_symbind: tst_audit25mod3_func1 1\n",
|
|
"la_symbind: tst_audit25mod4_func1 0\n",
|
|
};
|
|
compare_output (result.err.buffer, result.err.length,
|
|
expected, array_length(expected));
|
|
|
|
support_capture_subprocess_free (&result);
|
|
}
|
|
|
|
{
|
|
setenv ("LD_BIND_NOW", "1", 0);
|
|
struct support_capture_subprocess result
|
|
= support_capture_subprogram (spargv[0], spargv);
|
|
support_capture_subprocess_check (&result, "tst-audit25a", 0,
|
|
sc_allow_stderr);
|
|
|
|
/* With LD_BIND_NOW all symbols are expected to have
|
|
LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. Also the resolution
|
|
order is done in breadth-first order. */
|
|
const char *expected[] =
|
|
{
|
|
"la_symbind: tst_audit25mod1_func1 1\n",
|
|
"la_symbind: tst_audit25mod1_func2 1\n",
|
|
"la_symbind: tst_audit25mod2_func1 1\n",
|
|
"la_symbind: tst_audit25mod2_func2 1\n",
|
|
"la_symbind: tst_audit25mod3_func1 1\n",
|
|
"la_symbind: tst_audit25mod4_func1 1\n",
|
|
};
|
|
compare_output (result.err.buffer, result.err.length,
|
|
expected, array_length(expected));
|
|
|
|
support_capture_subprocess_free (&result);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION_ARGV do_test
|
|
#include <support/test-driver.c>
|