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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_CERT_STATUS_FLAGS_H_
      6 #define NET_CERT_CERT_STATUS_FLAGS_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "net/base/net_export.h"
     10 
     11 namespace net {
     12 
     13 // Bitmask of status flags of a certificate, representing any errors, as well as
     14 // other non-error status information such as whether the certificate is EV.
     15 typedef uint32 CertStatus;
     16 
     17 // The possible status bits for CertStatus.
     18 // NOTE: Because these names have appeared in bug reports, we preserve them as
     19 // MACRO_STYLE for continuity, instead of renaming them to kConstantStyle as
     20 // befits most static consts.
     21 // Bits 0 to 15 are for errors.
     22 static const CertStatus CERT_STATUS_ALL_ERRORS                 = 0xFFFF;
     23 static const CertStatus CERT_STATUS_COMMON_NAME_INVALID        = 1 << 0;
     24 static const CertStatus CERT_STATUS_DATE_INVALID               = 1 << 1;
     25 static const CertStatus CERT_STATUS_AUTHORITY_INVALID          = 1 << 2;
     26 // 1 << 3 is reserved for ERR_CERT_CONTAINS_ERRORS (not useful with WinHTTP).
     27 static const CertStatus CERT_STATUS_NO_REVOCATION_MECHANISM    = 1 << 4;
     28 static const CertStatus CERT_STATUS_UNABLE_TO_CHECK_REVOCATION = 1 << 5;
     29 static const CertStatus CERT_STATUS_REVOKED                    = 1 << 6;
     30 static const CertStatus CERT_STATUS_INVALID                    = 1 << 7;
     31 static const CertStatus CERT_STATUS_WEAK_SIGNATURE_ALGORITHM   = 1 << 8;
     32 // 1 << 9 was used for CERT_STATUS_NOT_IN_DNS
     33 static const CertStatus CERT_STATUS_NON_UNIQUE_NAME            = 1 << 10;
     34 static const CertStatus CERT_STATUS_WEAK_KEY                   = 1 << 11;
     35 
     36 // Bits 16 to 31 are for non-error statuses.
     37 static const CertStatus CERT_STATUS_IS_EV                      = 1 << 16;
     38 static const CertStatus CERT_STATUS_REV_CHECKING_ENABLED       = 1 << 17;
     39 // bit 18 was CERT_STATUS_IS_DNSSEC.
     40 
     41 // Returns true if the specified cert status has an error set.
     42 static inline bool IsCertStatusError(CertStatus status) {
     43   return (CERT_STATUS_ALL_ERRORS & status) != 0;
     44 }
     45 
     46 // IsCertStatusMinorError returns true iff |cert_status| indicates a condition
     47 // that should typically be ignored by automated requests. (i.e. a revocation
     48 // check failure.)
     49 NET_EXPORT bool IsCertStatusMinorError(CertStatus cert_status);
     50 
     51 // Maps a network error code to the equivalent certificate status flag.  If
     52 // the error code is not a certificate error, it is mapped to 0.
     53 NET_EXPORT CertStatus MapNetErrorToCertStatus(int error);
     54 
     55 // Maps the most serious certificate error in the certificate status flags
     56 // to the equivalent network error code.
     57 NET_EXPORT int MapCertStatusToNetError(CertStatus cert_status);
     58 
     59 }  // namespace net
     60 
     61 #endif  // NET_CERT_CERT_STATUS_FLAGS_H_
     62