net: split net/ssl out of net/base

net/base/ssl_connection_status_flags.h

-// Copyright (c) 2012 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_SSL_CONNECTION_STATUS_FLAGS_H_
-#define NET_BASE_SSL_CONNECTION_STATUS_FLAGS_H_
-
-namespace net {
-
-// Status flags for SSLInfo::connection_status.
-enum {
-  // The lower 16 bits are reserved for the TLS ciphersuite id.
-  SSL_CONNECTION_CIPHERSUITE_SHIFT = 0,
-  SSL_CONNECTION_CIPHERSUITE_MASK = 0xffff,
-
-  // The next two bits are reserved for the compression used.
-  SSL_CONNECTION_COMPRESSION_SHIFT = 16,
-  SSL_CONNECTION_COMPRESSION_MASK = 3,
-
-  // We fell back to an older protocol version for this connection.
-  SSL_CONNECTION_VERSION_FALLBACK = 1 << 18,
-
-  // The server doesn't support the renegotiation_info extension. If this bit
-  // is not set then either the extension isn't supported, or we don't have any
-  // knowledge either way. (The latter case will occur when we use an SSL
-  // library that doesn't report it, like SChannel.)
-  SSL_CONNECTION_NO_RENEGOTIATION_EXTENSION = 1 << 19,
-
-  // The next three bits are reserved for the SSL version.
-  SSL_CONNECTION_VERSION_SHIFT = 20,
-  SSL_CONNECTION_VERSION_MASK = 7,
-
-  // 1 << 31 (the sign bit) is reserved so that the SSL connection status will
-  // never be negative.
-};
-
-// NOTE: the SSL version enum constants must be between 0 and
-// SSL_CONNECTION_VERSION_MASK, inclusive.
-enum {
-  SSL_CONNECTION_VERSION_UNKNOWN = 0,  // Unknown SSL version.
-  SSL_CONNECTION_VERSION_SSL2 = 1,
-  SSL_CONNECTION_VERSION_SSL3 = 2,
-  SSL_CONNECTION_VERSION_TLS1 = 3,
-  SSL_CONNECTION_VERSION_TLS1_1 = 4,
-  SSL_CONNECTION_VERSION_TLS1_2 = 5,
-  SSL_CONNECTION_VERSION_MAX,
-};
-COMPILE_ASSERT(SSL_CONNECTION_VERSION_MAX - 1 <= SSL_CONNECTION_VERSION_MASK,
-               SSL_CONNECTION_VERSION_MASK_too_small);
-
-inline int SSLConnectionStatusToCipherSuite(int connection_status) {
-  return (connection_status >> SSL_CONNECTION_CIPHERSUITE_SHIFT) &
-         SSL_CONNECTION_CIPHERSUITE_MASK;
-}
-
-inline int SSLConnectionStatusToVersion(int connection_status) {
-  return (connection_status >> SSL_CONNECTION_VERSION_SHIFT) &
-         SSL_CONNECTION_VERSION_MASK;
-}
-
-}  // namespace net
-
-#endif  // NET_BASE_SSL_CONNECTION_STATUS_FLAGS_H_