mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 02:03:35 +08:00
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* NSS service provider with errno clobber.
|
|
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 <errno.h>
|
|
#include <nss.h>
|
|
#include <stdlib.h>
|
|
|
|
/* Catch misnamed and functions. */
|
|
#pragma GCC diagnostic error "-Wmissing-prototypes"
|
|
NSS_DECLARE_MODULE_FUNCTIONS (test_errno)
|
|
|
|
static void __attribute__ ((constructor))
|
|
init (void)
|
|
{
|
|
/* An arbitrary error code which is otherwise not used. */
|
|
errno = -1009;
|
|
}
|
|
|
|
/* Lookup functions for pwd follow that do not return any data. */
|
|
|
|
/* Catch misnamed function definitions. */
|
|
|
|
enum nss_status
|
|
_nss_test_errno_setpwent (int stayopen)
|
|
{
|
|
setenv ("_nss_test_errno_setpwent", "yes", 1);
|
|
return NSS_STATUS_SUCCESS;
|
|
}
|
|
|
|
enum nss_status
|
|
_nss_test_errno_getpwent_r (struct passwd *result,
|
|
char *buffer, size_t size, int *errnop)
|
|
{
|
|
setenv ("_nss_test_errno_getpwent_r", "yes", 1);
|
|
return NSS_STATUS_NOTFOUND;
|
|
}
|
|
|
|
enum nss_status
|
|
_nss_test_errno_endpwent (void)
|
|
{
|
|
setenv ("_nss_test_errno_endpwent", "yes", 1);
|
|
return NSS_STATUS_SUCCESS;
|
|
}
|