1/*
2 * parse.c --- UUID parsing
3 *
4 * Copyright (C) 1996, 1997 Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, and the entire permission notice in its entirety,
12 *    including the disclaimer of warranties.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote
17 *    products derived from this software without specific prior
18 *    written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
21 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
23 * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
27 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30 * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
31 * DAMAGE.
32 * %End-Header%
33 */
34
35#include <stdlib.h>
36#include <stdio.h>
37#include <ctype.h>
38#include <string.h>
39
40#include "uuidP.h"
41
42int uuid_parse(const char *in, uuid_t uu)
43{
44	struct uuid	uuid;
45	int 		i;
46	const char	*cp;
47	char		buf[3];
48
49	if (strlen(in) != 36)
50		return -1;
51	for (i=0, cp = in; i <= 36; i++,cp++) {
52		if ((i == 8) || (i == 13) || (i == 18) ||
53		    (i == 23)) {
54			if (*cp == '-')
55				continue;
56			else
57				return -1;
58		}
59		if (i== 36)
60			if (*cp == 0)
61				continue;
62		if (!isxdigit(*cp))
63			return -1;
64	}
65	uuid.time_low = strtoul(in, NULL, 16);
66	uuid.time_mid = strtoul(in+9, NULL, 16);
67	uuid.time_hi_and_version = strtoul(in+14, NULL, 16);
68	uuid.clock_seq = strtoul(in+19, NULL, 16);
69	cp = in+24;
70	buf[2] = 0;
71	for (i=0; i < 6; i++) {
72		buf[0] = *cp++;
73		buf[1] = *cp++;
74		uuid.node[i] = strtoul(buf, NULL, 16);
75	}
76
77	uuid_pack(&uuid, uu);
78	return 0;
79}
80