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
, 0, uu
.time_low
);
33 SSVAL(ptr
, 4, uu
.time_mid
);
34 SSVAL(ptr
, 6, uu
.time_hi_and_version
);
35 memcpy(ptr
+8, uu
.clock_seq
, 2);
36 memcpy(ptr
+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
;
100 if (!in
|| !uu
) goto out
;
102 uu
->time_low
= strtoul(ptr
, &end
, 16);
103 if ((end
- ptr
) != 8 || *end
!= '-') goto out
;
106 uu
->time_mid
= strtoul(ptr
, &end
, 16);
107 if ((end
- ptr
) != 4 || *end
!= '-') goto out
;
110 uu
->time_hi_and_version
= strtoul(ptr
, &end
, 16);
111 if ((end
- ptr
) != 4 || *end
!= '-') goto out
;
114 for (i
= 0; i
< 2; i
++) {
116 if (*ptr
>= '0' && *ptr
<= '9') {
118 } else if (*ptr
>= 'a' && *ptr
<= 'f') {
120 } else if (*ptr
>= 'A' && *ptr
<= 'F') {
125 uu
->clock_seq
[i
] = (*ptr
- adj
) << 4;
128 if (*ptr
>= '0' && *ptr
<= '9') {
130 } else if (*ptr
>= 'a' && *ptr
<= 'f') {
132 } else if (*ptr
>= 'A' && *ptr
<= 'F') {
137 uu
->clock_seq
[i
] |= (*ptr
- adj
);
141 if (*ptr
!= '-') goto out
;
144 for (i
= 0; i
< 6; i
++) {
146 if (*ptr
>= '0' && *ptr
<= '9') {
148 } else if (*ptr
>= 'a' && *ptr
<= 'f') {
150 } else if (*ptr
>= 'A' && *ptr
<= 'F') {
155 uu
->node
[i
] = (*ptr
- adj
) << 4;
158 if (*ptr
>= '0' && *ptr
<= '9') {
160 } else if (*ptr
>= 'a' && *ptr
<= 'f') {
162 } else if (*ptr
>= 'A' && *ptr
<= 'F') {
167 uu
->node
[i
] |= (*ptr
- adj
);