mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-19 16:10:01 +00:00
129 lines
3.1 KiB
C
129 lines
3.1 KiB
C
/* Fortify tests for syslog interface.
|
|
Copyright (C) 2023-2024 Free Software Foundation, Inc.
|
|
Copyright The GNU Toolchain Authors.
|
|
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 <stdarg.h>
|
|
#include <setjmp.h>
|
|
#include <syslog.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
#include <support/capture_subprocess.h>
|
|
|
|
static const char *str2 = "F";
|
|
static char buf2[10] = "%s";
|
|
|
|
static volatile int chk_fail_ok;
|
|
static jmp_buf chk_fail_buf;
|
|
|
|
static void
|
|
handler (int sig)
|
|
{
|
|
if (chk_fail_ok)
|
|
{
|
|
chk_fail_ok = 0;
|
|
longjmp (chk_fail_buf, 1);
|
|
}
|
|
else
|
|
_exit (127);
|
|
}
|
|
|
|
#define FAIL() \
|
|
do { \
|
|
printf ("Failure on line %d\n", __LINE__); \
|
|
support_record_failure (); \
|
|
} while (0)
|
|
#define CHK_FAIL_START \
|
|
chk_fail_ok = 1; \
|
|
if (! setjmp (chk_fail_buf)) \
|
|
{
|
|
#define CHK_FAIL_END \
|
|
chk_fail_ok = 0; \
|
|
FAIL (); \
|
|
}
|
|
|
|
static void
|
|
call_vsyslog (int priority, const char *format, ...)
|
|
{
|
|
va_list va;
|
|
va_start (va, format);
|
|
vsyslog (priority, format, va);
|
|
va_end (va);
|
|
}
|
|
|
|
static void
|
|
run_syslog_chk (void *closure)
|
|
{
|
|
int n1;
|
|
CHK_FAIL_START
|
|
syslog (LOG_USER | LOG_DEBUG, buf2, str2, &n1, str2, &n1);
|
|
CHK_FAIL_END
|
|
}
|
|
|
|
static void
|
|
run_vsyslog_chk (void *closure)
|
|
{
|
|
int n1;
|
|
CHK_FAIL_START
|
|
call_vsyslog (LOG_USER | LOG_DEBUG, buf2, str2, &n1, str2, &n1);
|
|
CHK_FAIL_END
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
set_fortify_handler (handler);
|
|
|
|
int n1, n2;
|
|
|
|
n1 = n2 = 0;
|
|
syslog (LOG_USER | LOG_DEBUG, "%s%n%s%n", str2, &n1, str2, &n2);
|
|
TEST_COMPARE (n1, 1);
|
|
TEST_COMPARE (n2, 2);
|
|
|
|
n1 = n2 = 0;
|
|
call_vsyslog (LOG_USER | LOG_DEBUG, "%s%n%s%n", str2, &n1, str2, &n2);
|
|
TEST_COMPARE (n1, 1);
|
|
TEST_COMPARE (n2, 2);
|
|
|
|
strcpy (buf2 + 2, "%n%s%n");
|
|
|
|
/* The wrapper tests need to be in a subprocess because the abort called by
|
|
printf does not unlock the internal syslog lock. */
|
|
{
|
|
struct support_capture_subprocess result
|
|
= support_capture_subprocess (run_syslog_chk, NULL);
|
|
support_capture_subprocess_check (&result, "syslog", 0, sc_allow_stderr);
|
|
support_capture_subprocess_free (&result);
|
|
}
|
|
|
|
{
|
|
struct support_capture_subprocess result
|
|
= support_capture_subprocess (run_vsyslog_chk, NULL);
|
|
support_capture_subprocess_check (&result, "syslog", 0, sc_allow_stderr);
|
|
support_capture_subprocess_free (&result);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|