// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_BASE_CERT_STATUS_FLAGS_H_
#define NET_BASE_CERT_STATUS_FLAGS_H_

namespace net {

// Status flags, such as errors and extended validation.
enum {
  // Bits 0 to 15 are for errors.
  CERT_STATUS_ALL_ERRORS                 = 0xFFFF,
  CERT_STATUS_COMMON_NAME_INVALID        = 1 << 0,
  CERT_STATUS_DATE_INVALID               = 1 << 1,
  CERT_STATUS_AUTHORITY_INVALID          = 1 << 2,
  // 1 << 3 is reserved for ERR_CERT_CONTAINS_ERRORS (not useful with WinHTTP).
  CERT_STATUS_NO_REVOCATION_MECHANISM    = 1 << 4,
  CERT_STATUS_UNABLE_TO_CHECK_REVOCATION = 1 << 5,
  CERT_STATUS_REVOKED                    = 1 << 6,
  CERT_STATUS_INVALID                    = 1 << 7,
  CERT_STATUS_WEAK_SIGNATURE_ALGORITHM   = 1 << 8,

  // Bits 16 to 30 are for non-error statuses.
  CERT_STATUS_IS_EV                      = 1 << 16,
  CERT_STATUS_REV_CHECKING_ENABLED       = 1 << 17,

  // 1 << 31 (the sign bit) is reserved so that the cert status will never be
  // negative.
};

// Returns true if the specified cert status has an error set.
static inline bool IsCertStatusError(int status) {
  return (CERT_STATUS_ALL_ERRORS & status) != 0;
}

// Maps a network error code to the equivalent certificate status flag.  If
// the error code is not a certificate error, it is mapped to 0.
int MapNetErrorToCertStatus(int error);

// Maps the most serious certificate error in the certificate status flags
// to the equivalent network error code.
int MapCertStatusToNetError(int cert_status);

}  // namespace net

#endif  // NET_BASE_CERT_STATUS_FLAGS_H_