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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
/* Generated from /home/biorn/src/lib/libgssapi/../../kerberosV/src/lib/gssapi/spnego.asn1 */
/* Do not edit */
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <errno.h>
#include <spnego_asn1.h>
#include <asn1_err.h>
#include <der.h>
#include <parse_units.h>
#define BACK if (e) return e; p -= l; len -= l; ret += l
int
encode_ContextFlags(unsigned char *p, size_t len, const ContextFlags *data, size_t *size)
{
size_t ret = 0;
size_t l;
int i, e;
i = 0;
{
unsigned char c = 0;
*p-- = c; len--; ret++;
c = 0;
*p-- = c; len--; ret++;
c = 0;
*p-- = c; len--; ret++;
c = 0;
if(data->integFlag) c |= 1<<1;
if(data->confFlag) c |= 1<<2;
if(data->anonFlag) c |= 1<<3;
if(data->sequenceFlag) c |= 1<<4;
if(data->replayFlag) c |= 1<<5;
if(data->mutualFlag) c |= 1<<6;
if(data->delegFlag) c |= 1<<7;
*p-- = c;
*p-- = 0;
len -= 2;
ret += 2;
}
e = der_put_length_and_tag (p, len, ret, ASN1_C_UNIV, PRIM,UT_BitString, &l);
BACK;
*size = ret;
return 0;
}
#define FORW if(e) goto fail; p += l; len -= l; ret += l
int
decode_ContextFlags(const unsigned char *p, size_t len, ContextFlags *data, size_t *size)
{
size_t ret = 0, reallen;
size_t l;
int e;
memset(data, 0, sizeof(*data));
reallen = 0;
e = der_match_tag_and_length (p, len, ASN1_C_UNIV, PRIM, UT_BitString,&reallen, &l);
FORW;
if(len < reallen)
return ASN1_OVERRUN;
p++;
len--;
reallen--;
ret++;
data->delegFlag = (*p >> 7) & 1;
data->mutualFlag = (*p >> 6) & 1;
data->replayFlag = (*p >> 5) & 1;
data->sequenceFlag = (*p >> 4) & 1;
data->anonFlag = (*p >> 3) & 1;
data->confFlag = (*p >> 2) & 1;
data->integFlag = (*p >> 1) & 1;
p += reallen; len -= reallen; ret += reallen;
if(size) *size = ret;
return 0;
fail:
free_ContextFlags(data);
return e;
}
void
free_ContextFlags(ContextFlags *data)
{
}
size_t
length_ContextFlags(const ContextFlags *data)
{
size_t ret = 0;
ret += 7;
return ret;
}
int
copy_ContextFlags(const ContextFlags *from, ContextFlags *to)
{
*(to) = *(from);
return 0;
}
unsigned ContextFlags2int(ContextFlags f)
{
unsigned r = 0;
if(f.delegFlag) r |= (1U << 0);
if(f.mutualFlag) r |= (1U << 1);
if(f.replayFlag) r |= (1U << 2);
if(f.sequenceFlag) r |= (1U << 3);
if(f.anonFlag) r |= (1U << 4);
if(f.confFlag) r |= (1U << 5);
if(f.integFlag) r |= (1U << 6);
return r;
}
ContextFlags int2ContextFlags(unsigned n)
{
ContextFlags flags;
flags.delegFlag = (n >> 0) & 1;
flags.mutualFlag = (n >> 1) & 1;
flags.replayFlag = (n >> 2) & 1;
flags.sequenceFlag = (n >> 3) & 1;
flags.anonFlag = (n >> 4) & 1;
flags.confFlag = (n >> 5) & 1;
flags.integFlag = (n >> 6) & 1;
return flags;
}
static struct units ContextFlags_units[] = {
{"integFlag", 1U << 6},
{"confFlag", 1U << 5},
{"anonFlag", 1U << 4},
{"sequenceFlag", 1U << 3},
{"replayFlag", 1U << 2},
{"mutualFlag", 1U << 1},
{"delegFlag", 1U << 0},
{NULL, 0}
};
const struct units * asn1_ContextFlags_units(void){
return ContextFlags_units;
}
|