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/* $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;
}
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