1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
#include "replace.h"
#include "util_str_hex.h"
#include "lib/util/data_blob.h"
#include "librpc/gen_ndr/misc.h"
static bool hex_uint16(const char *in, uint16_t *out)
{
uint8_t hi=0, lo=0;
bool ok = hex_byte(in, &hi) && hex_byte(in+2, &lo);
*out = (((uint16_t)hi)<<8) + lo;
return ok;
}
bool hex_uint32(const char *in, uint32_t *out)
{
uint16_t hi=0, lo=0;
bool ok = hex_uint16(in, &hi) && hex_uint16(in+4, &lo);
*out = (((uint32_t)hi)<<16) + lo;
return ok;
}
bool parse_guid_string(const char *s, struct GUID *guid)
{
bool ok;
int i;
/* "e12b56b6-0a95-11d1-adbb-00c04fd8d5cd"
| | | | |
| | | | \ node[6]
| | | \_____ clock_seq[2]
| | \__________ time_hi_and_version
| \_______________ time_mid
\_____________________ time_low
*/
ok = hex_uint32(s, &guid->time_low);
if (!ok || (s[8] != '-')) {
return false;
}
s += 9;
ok = hex_uint16(s, &guid->time_mid);
if (!ok || (s[4] != '-')) {
return false;
}
s += 5;
ok = hex_uint16(s, &guid->time_hi_and_version);
if (!ok || (s[4] != '-')) {
return false;
}
s += 5;
ok = hex_byte(s, &guid->clock_seq[0]) &&
hex_byte(s+2, &guid->clock_seq[1]);
if (!ok || (s[4] != '-')) {
return false;
}
s += 5;
for (i = 0; i < 6; i++) {
ok = hex_byte(s, &guid->node[i]);
if (!ok) {
return false;
}
s += 2;
}
return true;
}
|
