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
|
/*
* Credentials Manager
* (C) 2011,2012 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/credentials_manager.h>
#include <botan/x509stor.h>
namespace Botan {
std::string Credentials_Manager::psk_identity_hint(const std::string&,
const std::string&)
{
return "";
}
std::string Credentials_Manager::psk_identity(const std::string&,
const std::string&,
const std::string&)
{
return "";
}
SymmetricKey Credentials_Manager::psk(const std::string&,
const std::string&,
const std::string& identity)
{
throw Internal_Error("No PSK set for identity " + identity);
}
bool Credentials_Manager::attempt_srp(const std::string&,
const std::string&)
{
return false;
}
std::string Credentials_Manager::srp_identifier(const std::string&,
const std::string&)
{
return "";
}
std::string Credentials_Manager::srp_password(const std::string&,
const std::string&,
const std::string&)
{
return "";
}
bool Credentials_Manager::srp_verifier(const std::string&,
const std::string&,
const std::string&,
std::string&,
BigInt&,
MemoryRegion<byte>&,
bool)
{
return false;
}
std::vector<X509_Certificate> Credentials_Manager::cert_chain(
const std::vector<std::string>&,
const std::string&,
const std::string&)
{
return std::vector<X509_Certificate>();
}
std::vector<X509_Certificate> Credentials_Manager::cert_chain_single_type(
const std::string& cert_key_type,
const std::string& type,
const std::string& context)
{
std::vector<std::string> cert_types;
cert_types.push_back(cert_key_type);
return cert_chain(cert_types, type, context);
}
Private_Key* Credentials_Manager::private_key_for(const X509_Certificate&,
const std::string&,
const std::string&)
{
return 0;
}
std::vector<X509_Certificate>
Credentials_Manager::trusted_certificate_authorities(
const std::string&,
const std::string&)
{
return std::vector<X509_Certificate>();
}
void Credentials_Manager::verify_certificate_chain(
const std::string& type,
const std::string& purported_hostname,
const std::vector<X509_Certificate>& cert_chain)
{
if(cert_chain.empty())
throw std::invalid_argument("Certificate chain was empty");
if(purported_hostname != "" && !cert_chain[0].matches_dns_name(purported_hostname))
throw std::runtime_error("Certificate did not match hostname");
#if 1
std::vector<X509_Certificate> CAs = trusted_certificate_authorities(type, purported_hostname);
X509_Store store;
for(size_t i = 0; i != CAs.size(); ++i)
store.add_cert(CAs[i], true);
for(size_t i = 0; i != cert_chain.size(); ++i)
store.add_cert(cert_chain[i]);
X509_Code result = store.validate_cert(cert_chain[0], X509_Store::TLS_SERVER);
if(CAs.empty())
{
if(result == CERT_ISSUER_NOT_FOUND)
return;
if(result == CANNOT_ESTABLISH_TRUST)
return;
}
if(result != VERIFIED)
throw std::runtime_error("Certificate did not validate, code " +
std::to_string(result));
#else
// New X.509 API
const Certificate_Store& CAs =
trusted_certificate_authorities(type, purported_hostname);
Path_Validation_Result result =
x509_path_validate(cert_chain,
Path_Validation_Restrictions(),
store);
if(!result.successful_validation())
throw std::runtime_error("Certificate validation failure: " + result.as_string());
if(!CAs.certificate_known(result.trust_root())
throw std::runtime_error("Certificate chain roots in unknown/untrusted CA");
#endif
}
}
|
