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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef NET_CERT_EV_ROOT_CA_METADATA_H_
6 #define NET_CERT_EV_ROOT_CA_METADATA_H_
7 
8 #include "build/build_config.h"
9 
10 #if defined(USE_NSS) || defined(OS_IOS)
11 #include <secoidt.h>
12 #endif
13 
14 #include <map>
15 #include <set>
16 #include <string>
17 #include <vector>
18 
19 #include "net/base/net_export.h"
20 #include "net/cert/x509_certificate.h"
21 
22 namespace base {
23 template <typename T>
24 struct DefaultLazyInstanceTraits;
25 }  // namespace base
26 
27 namespace net {
28 
29 // A singleton.  This class stores the meta data of the root CAs that issue
30 // extended-validation (EV) certificates.
31 class NET_EXPORT_PRIVATE EVRootCAMetadata {
32  public:
33 #if defined(USE_NSS) || defined(OS_IOS)
34   typedef SECOidTag PolicyOID;
35 #elif defined(OS_WIN)
36   typedef const char* PolicyOID;
37 #endif
38 
39   static EVRootCAMetadata* GetInstance();
40 
41 #if defined(USE_NSS) || defined(OS_WIN) || defined(OS_IOS)
42   // Returns true if policy_oid is an EV policy OID of some root CA.
43   bool IsEVPolicyOID(PolicyOID policy_oid) const;
44 
45   // Returns true if the root CA with the given certificate fingerprint has
46   // the EV policy OID policy_oid.
47   bool HasEVPolicyOID(const SHA1HashValue& fingerprint,
48                       PolicyOID policy_oid) const;
49 #endif
50 
51   // AddEVCA adds an EV CA to the list of known EV CAs with the given policy.
52   // |policy| is expressed as a string of dotted numbers. It returns true on
53   // success.
54   bool AddEVCA(const SHA1HashValue& fingerprint, const char* policy);
55 
56   // RemoveEVCA removes an EV CA that was previously added by AddEVCA. It
57   // returns true on success.
58   bool RemoveEVCA(const SHA1HashValue& fingerprint);
59 
60  private:
61   friend struct base::DefaultLazyInstanceTraits<EVRootCAMetadata>;
62 
63   EVRootCAMetadata();
64   ~EVRootCAMetadata();
65 
66 #if defined(USE_NSS) || defined(OS_IOS)
67   typedef std::map<SHA1HashValue, std::vector<PolicyOID>,
68                    SHA1HashValueLessThan> PolicyOIDMap;
69 
70   // RegisterOID registers |policy|, a policy OID in dotted string form, and
71   // writes the memoized form to |*out|. It returns true on success.
72   static bool RegisterOID(const char* policy, PolicyOID* out);
73 
74   PolicyOIDMap ev_policy_;
75   std::set<PolicyOID> policy_oids_;
76 #elif defined(OS_WIN)
77   typedef std::map<SHA1HashValue, std::string,
78                    SHA1HashValueLessThan> ExtraEVCAMap;
79 
80   // extra_cas_ contains any EV CA metadata that was added at runtime.
81   ExtraEVCAMap extra_cas_;
82 #endif
83 
84   DISALLOW_COPY_AND_ASSIGN(EVRootCAMetadata);
85 };
86 
87 }  // namespace net
88 
89 #endif  // NET_CERT_EV_ROOT_CA_METADATA_H_
90