43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* $OpenBSD: duid.c,v 1.2 2012/07/09 14:26:40 nicm Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2010 Joel Sing <jsing@openbsd.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "util.h"
|
|
|
|
int
|
|
isduid(const char *duid, int dflags)
|
|
{
|
|
char c;
|
|
int i;
|
|
|
|
/* Basic format check. */
|
|
if (!((strlen(duid) == 16 && (dflags & OPENDEV_PART)) ||
|
|
(strlen(duid) == 18 && duid[16] == '.')))
|
|
return 0;
|
|
|
|
/* Check UID. */
|
|
for (i = 0; i < 16; i++) {
|
|
c = duid[i];
|
|
if ((c < '0' || c > '9') && (c < 'a' || c > 'f'))
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|