1 //////////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez. 4 // 5 // Permission is hereby granted, free of charge, to any person obtaining a copy 6 // of this software and associated documentation files (the "Software"), to deal 7 // in the Software without restriction, including without limitation the rights 8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 // copies of the Software, and to permit persons to whom the Software is 10 // furnished to do so, subject to the following conditions: 11 // 12 // The above copyright notice and this permission notice shall be included 13 // in all copies or substantial portions of the Software. 14 // 15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 16 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 // SOFTWARE. 22 // 23 // https://www.opensource.org/licenses/mit-license.php 24 // 25 //////////////////////////////////////////////////////////////////////////////// 26 #ifndef INCLUDED_TLSCLIENT 27 #define INCLUDED_TLSCLIENT 28 29 #ifdef HAVE_LIBGNUTLS 30 31 #include <string> 32 #include <gnutls/gnutls.h> 33 34 class TLSClient 35 { 36 public: 37 enum trust_level { strict, ignore_hostname, allow_all }; 38 39 TLSClient () = default; 40 ~TLSClient (); 41 void limit (int); 42 void debug (int); 43 void trust (const enum trust_level); 44 void ciphers (const std::string&); 45 void init (const std::string&, const std::string&, const std::string&); 46 void connect (const std::string&, const std::string&); 47 void bye (); 48 int verify_certificate() const; 49 50 void send (const std::string&); 51 void recv (std::string&); 52 53 private: 54 std::string _ca {""}; 55 std::string _cert {""}; 56 std::string _key {""}; 57 std::string _ciphers {""}; 58 std::string _host {""}; 59 std::string _port {""}; 60 gnutls_certificate_credentials_t _credentials {}; 61 gnutls_session_t _session {nullptr}; 62 int _socket {0}; 63 int _limit {0}; 64 bool _debug {false}; 65 enum trust_level _trust {strict}; 66 }; 67 68 #endif 69 #endif 70 71 //////////////////////////////////////////////////////////////////////////////// 72 73