ceph/src/boost/boost/asio/ssl/context_base.hpp

   1 //
   2 // ssl/context_base.hpp
   3 // ~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2022 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_SSL_CONTEXT_BASE_HPP
  12 #define BOOST_ASIO_SSL_CONTEXT_BASE_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19 #include <boost/asio/ssl/detail/openssl_types.hpp>
  20
  21 #include <boost/asio/detail/push_options.hpp>
  22
  23 namespace boost {
  24 namespace asio {
  25 namespace ssl {
  26
  27 /// The context_base class is used as a base for the basic_context class
  28 /// template so that we have a common place to define various enums.
  29 class context_base
  30 {
  31 public:
  32   /// Different methods supported by a context.
  33   enum method
  34   {
  35     /// Generic SSL version 2.
  36     sslv2,
  37
  38     /// SSL version 2 client.
  39     sslv2_client,
  40
  41     /// SSL version 2 server.
  42     sslv2_server,
  43
  44     /// Generic SSL version 3.
  45     sslv3,
  46
  47     /// SSL version 3 client.
  48     sslv3_client,
  49
  50     /// SSL version 3 server.
  51     sslv3_server,
  52
  53     /// Generic TLS version 1.
  54     tlsv1,
  55
  56     /// TLS version 1 client.
  57     tlsv1_client,
  58
  59     /// TLS version 1 server.
  60     tlsv1_server,
  61
  62     /// Generic SSL/TLS.
  63     sslv23,
  64
  65     /// SSL/TLS client.
  66     sslv23_client,
  67
  68     /// SSL/TLS server.
  69     sslv23_server,
  70
  71     /// Generic TLS version 1.1.
  72     tlsv11,
  73
  74     /// TLS version 1.1 client.
  75     tlsv11_client,
  76
  77     /// TLS version 1.1 server.
  78     tlsv11_server,
  79
  80     /// Generic TLS version 1.2.
  81     tlsv12,
  82
  83     /// TLS version 1.2 client.
  84     tlsv12_client,
  85
  86     /// TLS version 1.2 server.
  87     tlsv12_server,
  88
  89     /// Generic TLS version 1.3.
  90     tlsv13,
  91
  92     /// TLS version 1.3 client.
  93     tlsv13_client,
  94
  95     /// TLS version 1.3 server.
  96     tlsv13_server,
  97
  98     /// Generic TLS.
  99     tls,
 100
 101     /// TLS client.
 102     tls_client,
 103
 104     /// TLS server.
 105     tls_server
 106   };
 107
 108   /// Bitmask type for SSL options.
 109   typedef long options;
 110
 111 #if defined(GENERATING_DOCUMENTATION)
 112   /// Implement various bug workarounds.
 113   static const long default_workarounds = implementation_defined;
 114
 115   /// Always create a new key when using tmp_dh parameters.
 116   static const long single_dh_use = implementation_defined;
 117
 118   /// Disable SSL v2.
 119   static const long no_sslv2 = implementation_defined;
 120
 121   /// Disable SSL v3.
 122   static const long no_sslv3 = implementation_defined;
 123
 124   /// Disable TLS v1.
 125   static const long no_tlsv1 = implementation_defined;
 126
 127   /// Disable TLS v1.1.
 128   static const long no_tlsv1_1 = implementation_defined;
 129
 130   /// Disable TLS v1.2.
 131   static const long no_tlsv1_2 = implementation_defined;
 132
 133   /// Disable TLS v1.3.
 134   static const long no_tlsv1_3 = implementation_defined;
 135
 136   /// Disable compression. Compression is disabled by default.
 137   static const long no_compression = implementation_defined;
 138 #else
 139   BOOST_ASIO_STATIC_CONSTANT(long, default_workarounds = SSL_OP_ALL);
 140   BOOST_ASIO_STATIC_CONSTANT(long, single_dh_use = SSL_OP_SINGLE_DH_USE);
 141   BOOST_ASIO_STATIC_CONSTANT(long, no_sslv2 = SSL_OP_NO_SSLv2);
 142   BOOST_ASIO_STATIC_CONSTANT(long, no_sslv3 = SSL_OP_NO_SSLv3);
 143   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1 = SSL_OP_NO_TLSv1);
 144 # if defined(SSL_OP_NO_TLSv1_1)
 145   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_1 = SSL_OP_NO_TLSv1_1);
 146 # else // defined(SSL_OP_NO_TLSv1_1)
 147   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_1 = 0x10000000L);
 148 # endif // defined(SSL_OP_NO_TLSv1_1)
 149 # if defined(SSL_OP_NO_TLSv1_2)
 150   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_2 = SSL_OP_NO_TLSv1_2);
 151 # else // defined(SSL_OP_NO_TLSv1_2)
 152   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_2 = 0x08000000L);
 153 # endif // defined(SSL_OP_NO_TLSv1_2)
 154 # if defined(SSL_OP_NO_TLSv1_3)
 155   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_3 = SSL_OP_NO_TLSv1_3);
 156 # else // defined(SSL_OP_NO_TLSv1_3)
 157   BOOST_ASIO_STATIC_CONSTANT(long, no_tlsv1_3 = 0x20000000L);
 158 # endif // defined(SSL_OP_NO_TLSv1_3)
 159 # if defined(SSL_OP_NO_COMPRESSION)
 160   BOOST_ASIO_STATIC_CONSTANT(long, no_compression = SSL_OP_NO_COMPRESSION);
 161 # else // defined(SSL_OP_NO_COMPRESSION)
 162   BOOST_ASIO_STATIC_CONSTANT(long, no_compression = 0x20000L);
 163 # endif // defined(SSL_OP_NO_COMPRESSION)
 164 #endif
 165
 166   /// File format types.
 167   enum file_format
 168   {
 169     /// ASN.1 file.
 170     asn1,
 171
 172     /// PEM file.
 173     pem
 174   };
 175
 176 #if !defined(GENERATING_DOCUMENTATION)
 177   // The following types and constants are preserved for backward compatibility.
 178   // New programs should use the equivalents of the same names that are defined
 179   // in the boost::asio::ssl namespace.
 180   typedef int verify_mode;
 181   BOOST_ASIO_STATIC_CONSTANT(int, verify_none = SSL_VERIFY_NONE);
 182   BOOST_ASIO_STATIC_CONSTANT(int, verify_peer = SSL_VERIFY_PEER);
 183   BOOST_ASIO_STATIC_CONSTANT(int,
 184       verify_fail_if_no_peer_cert = SSL_VERIFY_FAIL_IF_NO_PEER_CERT);
 185   BOOST_ASIO_STATIC_CONSTANT(int, verify_client_once = SSL_VERIFY_CLIENT_ONCE);
 186 #endif
 187
 188   /// Purpose of PEM password.
 189   enum password_purpose
 190   {
 191     /// The password is needed for reading/decryption.
 192     for_reading,
 193
 194     /// The password is needed for writing/encryption.
 195     for_writing
 196   };
 197
 198 protected:
 199   /// Protected destructor to prevent deletion through this type.
 200   ~context_base()
 201   {
 202   }
 203 };
 204
 205 } // namespace ssl
 206 } // namespace asio
 207 } // namespace boost
 208
 209 #include <boost/asio/detail/pop_options.hpp>
 210
 211 #endif // BOOST_ASIO_SSL_CONTEXT_BASE_HPP