blob: 306c78bd170756a0b8e2ea58cdb45058db85b373 (
plain)
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
147
148
149
|
/*************************************************
* X.509 CRL Source File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#include <botan/x509_crl.h>
#include <botan/x509_ext.h>
#include <botan/ber_dec.h>
#include <botan/parsing.h>
#include <botan/bigint.h>
#include <botan/libstate.h>
#include <botan/oids.h>
namespace Botan {
/*************************************************
* Load a X.509 CRL *
*************************************************/
X509_CRL::X509_CRL(DataSource& in) : X509_Object(in, "X509 CRL/CRL")
{
do_decode();
}
/*************************************************
* Load a X.509 CRL *
*************************************************/
X509_CRL::X509_CRL(const std::string& in) : X509_Object(in, "CRL/X509 CRL")
{
do_decode();
}
/*************************************************
* Decode the TBSCertList data *
*************************************************/
void X509_CRL::force_decode()
{
BER_Decoder tbs_crl(tbs_bits);
u32bit version;
tbs_crl.decode_optional(version, INTEGER, UNIVERSAL);
if(version != 0 && version != 1)
throw X509_CRL_Error("Unknown X.509 CRL version " +
to_string(version+1));
AlgorithmIdentifier sig_algo_inner;
tbs_crl.decode(sig_algo_inner);
if(sig_algo != sig_algo_inner)
throw X509_CRL_Error("Algorithm identifier mismatch");
X509_DN dn_issuer;
tbs_crl.decode(dn_issuer);
info.add(dn_issuer.contents());
X509_Time start, end;
tbs_crl.decode(start).decode(end);
info.add("X509.CRL.start", start.readable_string());
info.add("X509.CRL.end", end.readable_string());
BER_Object next = tbs_crl.get_next_object();
if(next.type_tag == SEQUENCE && next.class_tag == CONSTRUCTED)
{
BER_Decoder cert_list(next.value);
while(cert_list.more_items())
{
CRL_Entry entry;
cert_list.decode(entry);
revoked.push_back(entry);
}
next = tbs_crl.get_next_object();
}
if(next.type_tag == 0 &&
next.class_tag == ASN1_Tag(CONSTRUCTED | CONTEXT_SPECIFIC))
{
BER_Decoder crl_options(next.value);
std::string action = global_state().option("x509/crl/unknown_critical");
if(action != "throw" && action != "ignore")
throw Invalid_Argument("Bad value of x509/crl/unknown_critical: "
+ action);
Extensions extensions(action == "throw");
crl_options.decode(extensions).verify_end();
extensions.contents_to(info, info);
next = tbs_crl.get_next_object();
}
if(next.type_tag != NO_OBJECT)
throw X509_CRL_Error("Unknown tag in CRL");
tbs_crl.verify_end();
}
/*************************************************
* Return the list of revoked certificates *
*************************************************/
std::vector<CRL_Entry> X509_CRL::get_revoked() const
{
return revoked;
}
/*************************************************
* Return the distinguished name of the issuer *
*************************************************/
X509_DN X509_CRL::issuer_dn() const
{
return create_dn(info);
}
/*************************************************
* Return the key identifier of the issuer *
*************************************************/
MemoryVector<byte> X509_CRL::authority_key_id() const
{
return info.get1_memvec("X509v3.AuthorityKeyIdentifier");
}
/*************************************************
* Return the CRL number of this CRL *
*************************************************/
u32bit X509_CRL::crl_number() const
{
return info.get1_u32bit("X509v3.CRLNumber");
}
/*************************************************
* Return the issue data of the CRL *
*************************************************/
X509_Time X509_CRL::this_update() const
{
return info.get1("X509.CRL.start");
}
/*************************************************
* Return the date when a new CRL will be issued *
*************************************************/
X509_Time X509_CRL::next_update() const
{
return info.get1("X509.CRL.end");
}
}
|
