2
* Unix SMB/CIFS implementation.
4
* Copyright (C) Theodore Ts'o 1996, 1997,
5
* Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002, 2003
7
* This program is free software; you can redistribute it and/or modify
8
* it under the terms of the GNU General Public License as published by
9
* the Free Software Foundation; either version 2 of the License, or
10
* (at your option) any later version.
12
* This program is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15
* GNU General Public License for more details.
17
* You should have received a copy of the GNU General Public License
18
* along with this program; if not, write to the Free Software
19
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
* Offset between 15-Oct-1582 and 1-Jan-70
27
#define TIME_OFFSET_HIGH 0x01B21DD2
28
#define TIME_OFFSET_LOW 0x13814000
30
void smb_uuid_pack(const struct uuid uu, UUID_FLAT *ptr)
32
SIVAL(ptr->info, 0, uu.time_low);
33
SSVAL(ptr->info, 4, uu.time_mid);
34
SSVAL(ptr->info, 6, uu.time_hi_and_version);
35
memcpy(ptr->info+8, uu.clock_seq, 2);
36
memcpy(ptr->info+10, uu.node, 6);
39
void smb_uuid_unpack(const UUID_FLAT in, struct uuid *uu)
41
uu->time_low = IVAL(in.info, 0);
42
uu->time_mid = SVAL(in.info, 4);
43
uu->time_hi_and_version = SVAL(in.info, 6);
44
memcpy(uu->clock_seq, in.info+8, 2);
45
memcpy(uu->node, in.info+10, 6);
48
struct uuid smb_uuid_unpack_static(const UUID_FLAT in)
50
static struct uuid uu;
52
smb_uuid_unpack(in, &uu);
56
void smb_uuid_generate_random(struct uuid *uu)
60
generate_random_buffer(tmp.info, sizeof(tmp.info));
61
smb_uuid_unpack(tmp, uu);
63
uu->clock_seq[0] = (uu->clock_seq[0] & 0x3F) | 0x80;
64
uu->time_hi_and_version = (uu->time_hi_and_version & 0x0FFF) | 0x4000;
67
char *smb_uuid_to_string(const struct uuid uu)
71
asprintf(&out, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
72
uu.time_low, uu.time_mid, uu.time_hi_and_version,
73
uu.clock_seq[0], uu.clock_seq[1],
74
uu.node[0], uu.node[1], uu.node[2],
75
uu.node[3], uu.node[4], uu.node[5]);
80
const char *smb_uuid_string_static(const struct uuid uu)
84
slprintf(out, sizeof(out),
85
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
86
uu.time_low, uu.time_mid, uu.time_hi_and_version,
87
uu.clock_seq[0], uu.clock_seq[1],
88
uu.node[0], uu.node[1], uu.node[2],
89
uu.node[3], uu.node[4], uu.node[5]);
93
BOOL smb_string_to_uuid(const char *in, struct uuid* uu)
97
char *end = (char *)in;
101
if (!in || !uu) goto out;
103
uu->time_low = strtoul(ptr, &end, 16);
104
if ((end - ptr) != 8 || *end != '-') goto out;
107
uu->time_mid = strtoul(ptr, &end, 16);
108
if ((end - ptr) != 4 || *end != '-') goto out;
111
uu->time_hi_and_version = strtoul(ptr, &end, 16);
112
if ((end - ptr) != 4 || *end != '-') goto out;
115
if (sscanf(ptr, "%02x%02x", &v1, &v2) != 2) {
118
uu->clock_seq[0] = v1;
119
uu->clock_seq[1] = v2;
122
if (*ptr != '-') goto out;
125
for (i = 0; i < 6; i++) {
126
if (sscanf(ptr, "%02x", &v1) != 1) {