mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-22 07:03:38 +00:00
0c3d2d9430
In particular glibc's crypt will return NULL / errno == ENOSYS and other implementations might do that in future too. Reported by: David Hill
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* virt-sysprep - interface to crypt(3)
|
|
* Copyright (C) 2013 Red Hat Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#if HAVE_CRYPT_H
|
|
#include <crypt.h>
|
|
#endif
|
|
|
|
#include <caml/alloc.h>
|
|
#include <caml/memory.h>
|
|
#include <caml/mlvalues.h>
|
|
#include <caml/unixsupport.h>
|
|
|
|
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
|
|
|
|
value
|
|
virt_customize_crypt (value keyv, value saltv)
|
|
{
|
|
CAMLparam2 (keyv, saltv);
|
|
CAMLlocal1 (rv);
|
|
char *r;
|
|
|
|
/* Note that crypt returns a pointer to a statically allocated
|
|
* buffer in glibc. For this and other reasons, this function
|
|
* is not thread safe.
|
|
*/
|
|
r = crypt (String_val (keyv), String_val (saltv));
|
|
if (r == NULL)
|
|
unix_error (errno, (char *) "crypt", Nothing);
|
|
rv = caml_copy_string (r);
|
|
|
|
CAMLreturn (rv);
|
|
}
|