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 3 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, see <http://www.gnu.org/licenses/>.
24 * Offset between 15-Oct-1582 and 1-Jan-70
26 #define TIME_OFFSET_HIGH 0x01B21DD2
27 #define TIME_OFFSET_LOW 0x13814000
29 void smb_uuid_pack(const struct GUID uu, UUID_FLAT *ptr)
31 SIVAL(ptr->info, 0, uu.time_low);
32 SSVAL(ptr->info, 4, uu.time_mid);
33 SSVAL(ptr->info, 6, uu.time_hi_and_version);
34 memcpy(ptr->info+8, uu.clock_seq, 2);
35 memcpy(ptr->info+10, uu.node, 6);
38 void smb_uuid_unpack(const UUID_FLAT in, struct GUID *uu)
40 uu->time_low = IVAL(in.info, 0);
41 uu->time_mid = SVAL(in.info, 4);
42 uu->time_hi_and_version = SVAL(in.info, 6);
43 memcpy(uu->clock_seq, in.info+8, 2);
44 memcpy(uu->node, in.info+10, 6);
47 struct GUID smb_uuid_unpack_static(const UUID_FLAT in)
49 static struct GUID uu;
51 smb_uuid_unpack(in, &uu);
55 void smb_uuid_generate_random(struct GUID *uu)
59 generate_random_buffer(tmp.info, sizeof(tmp.info));
60 smb_uuid_unpack(tmp, uu);
62 uu->clock_seq[0] = (uu->clock_seq[0] & 0x3F) | 0x80;
63 uu->time_hi_and_version = (uu->time_hi_and_version & 0x0FFF) | 0x4000;
66 char *smb_uuid_to_string(const struct GUID uu)
70 asprintf(&out, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
71 uu.time_low, uu.time_mid, uu.time_hi_and_version,
72 uu.clock_seq[0], uu.clock_seq[1],
73 uu.node[0], uu.node[1], uu.node[2],
74 uu.node[3], uu.node[4], uu.node[5]);
79 const char *smb_uuid_string_static(const struct GUID uu)
83 slprintf(out, sizeof(out),
84 "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
85 uu.time_low, uu.time_mid, uu.time_hi_and_version,
86 uu.clock_seq[0], uu.clock_seq[1],
87 uu.node[0], uu.node[1], uu.node[2],
88 uu.node[3], uu.node[4], uu.node[5]);
92 BOOL smb_string_to_uuid(const char *in, struct GUID* uu)
96 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 if (sscanf(ptr, "%02x%02x", &v1, &v2) != 2) {
117 uu->clock_seq[0] = v1;
118 uu->clock_seq[1] = v2;
121 if (*ptr != '-') goto out;
124 for (i = 0; i < 6; i++) {
125 if (sscanf(ptr, "%02x", &v1) != 1) {
137 /*****************************************************************
138 Return the binary string representation of a GUID.
140 *****************************************************************/
142 char *guid_binstring(const struct GUID *guid)
146 smb_uuid_pack(*guid, &guid_flat);
148 return binary_string_rfc2254((char *)guid_flat.info, UUID_FLAT_SIZE);