mhd_tls_internal.h (3568B)
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) 2024-2025 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_internal.h 41 * @brief The TLS handling internal functions and data 42 * @author Karlson2k (Evgeny Grin) 43 */ 44 45 #ifndef MHD_TLS_INTERNAL_H 46 #define MHD_TLS_INTERNAL_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 #include "sys_sizet_type.h" 55 56 #include "mhd_str_macros.h" 57 58 #include "mhd_tls_enums.h" 59 60 /** 61 * Registered ALPN value for HTTP/1.0 62 */ 63 #define mhd_ALPN_H1_0 "http/1.0" 64 65 /** 66 * Registered ALPN value for HTTP/1.1 67 */ 68 #define mhd_ALPN_H1_1 "http/1.1" 69 70 /** 71 * Registered ALPN value for HTTP/2 72 */ 73 #define mhd_ALPN_H2 "h2" 74 75 /** 76 * Registered ALPN value for HTTP/3 77 */ 78 #define mhd_ALPN_H3 "h3" 79 80 /** 81 * The length of #mhd_ALPN_H1_0 82 */ 83 #define mhd_ALPN_H1_0_LEN mhd_SSTR_LEN (mhd_ALPN_H1_0) 84 85 /** 86 * The length of #mhd_ALPN_H1_1 87 */ 88 #define mhd_ALPN_H1_1_LEN mhd_SSTR_LEN (mhd_ALPN_H1_1) 89 90 /** 91 * The length of #mhd_ALPN_H2_1 92 */ 93 #define mhd_ALPN_H2_LEN mhd_SSTR_LEN (mhd_ALPN_H2) 94 95 /** 96 * The length of #mhd_ALPN_H2_1 97 */ 98 #define mhd_ALPN_H3_LEN mhd_SSTR_LEN (mhd_ALPN_H3) 99 100 /** 101 * Decode provided ALPN identifier 102 * @param alnp_id_size the size in bytes of the @a alpn_str 103 * @param alnp_id the ALPN identifier, does not need to be zero-terminated, 104 * could be NULL 105 * @return the decoded protocol, 106 * #mhd_TLS_ALPN_PROT_NOT_SELECTED if @a alnp_str is NULL, 107 * #mhd_TLS_ALPN_PROT_ERROR if @a alnp_str does not match any known 108 * string identifier, 109 */ 110 MHD_INTERNAL enum mhd_TlsAlpnProt 111 mhd_tls_alpn_decode_n (size_t alnp_id_size, 112 const unsigned char *alnp_id) 113 MHD_FN_PAR_IN_SIZE_ (2, 1); 114 115 116 #endif /* ! MHD_TLS_INTERNAL_H */