mhd_tls_enums.h (3304B)
1 /* SPDX-License-Identifier: LGPL-2.1-or-later OR (GPL-2.0-or-later WITH eCos-exception-2.0) */ 2 /* 3 This file is part of GNU libmicrohttpd. 4 Copyright (C) 2024 Evgeny Grin (Karlson2k) 5 6 GNU libmicrohttpd is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 GNU libmicrohttpd is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 Alternatively, you can redistribute GNU libmicrohttpd and/or 17 modify it under the terms of the GNU General Public License as 18 published by the Free Software Foundation; either version 2 of 19 the License, or (at your option) any later version, together 20 with the eCos exception, as follows: 21 22 As a special exception, if other files instantiate templates or 23 use macros or inline functions from this file, or you compile this 24 file and link it with other works to produce a work based on this 25 file, this file does not by itself cause the resulting work to be 26 covered by the GNU General Public License. However the source code 27 for this file must still be made available in accordance with 28 section (3) of the GNU General Public License v2. 29 30 This exception does not invalidate any other reasons why a work 31 based on this file might be covered by the GNU General Public 32 License. 33 34 You should have received copies of the GNU Lesser General Public 35 License and the GNU General Public License along with this library; 36 if not, see <https://www.gnu.org/licenses/>. 37 */ 38 39 /** 40 * @file src/mhd2/mhd_tls_enums.h 41 * @brief The definition of internal enums used for TLS communication 42 * @author Karlson2k (Evgeny Grin) 43 */ 44 45 #ifndef MHD_TLS_ENUMS_H 46 #define MHD_TLS_ENUMS_H 1 47 48 #include "mhd_sys_options.h" 49 50 #ifndef MHD_SUPPORT_HTTPS 51 #error This header should be used only if HTTPS is enabled 52 #endif 53 54 /** 55 * Result of performing TLS procedure 56 */ 57 enum MHD_FIXED_ENUM_ mhd_TlsProcedureResult 58 { 59 /** 60 * Completed successfully 61 */ 62 mhd_TLS_PROCED_SUCCESS = 0 63 , 64 /** 65 * In progress, receive operation interrupted. 66 * 'recv-ready' flag should NOT be cleared 67 */ 68 mhd_TLS_PROCED_RECV_INTERRUPTED 69 , 70 /** 71 * In progress, send operation interrupted 72 * 'send-ready' flag should NOT be cleared 73 */ 74 mhd_TLS_PROCED_SEND_INTERRUPTED 75 , 76 /** 77 * In progress, need to receive more data 78 * 'recv-ready' flag should be cleared 79 */ 80 mhd_TLS_PROCED_RECV_MORE_NEEDED 81 , 82 /** 83 * In progress, need to send more data 84 * 'send-ready' flag should be cleared 85 */ 86 mhd_TLS_PROCED_SEND_MORE_NEEDED 87 , 88 /** 89 * Procedure failed 90 */ 91 mhd_TLS_PROCED_FAILED 92 }; 93 94 /** 95 * Protocol selected by ALPN 96 */ 97 enum MHD_FIXED_ENUM_ mhd_TlsAlpnProt 98 { 99 /** 100 * The protocol was not selected by ALPN 101 * ALPN is not used by the client or TLS backend does not support ALPN 102 */ 103 mhd_TLS_ALPN_PROT_NOT_SELECTED 104 , 105 mhd_TLS_ALPN_PROT_HTTP1_0 106 , 107 mhd_TLS_ALPN_PROT_HTTP1_1 108 , 109 mhd_TLS_ALPN_PROT_HTTP2 110 , 111 mhd_TLS_ALPN_PROT_ERROR 112 }; 113 114 #endif /* ! MHD_TLS_ENUMS_H */