daemon_create.c (5159B)
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/daemon_create.c 41 * @brief The implementation of the MHD_daemon_create() 42 * @author Karlson2k (Evgeny Grin) 43 */ 44 45 #include "mhd_sys_options.h" 46 47 #include "sys_base_types.h" 48 #include "sys_malloc.h" 49 #ifndef NDEBUG 50 # include <stdio.h> /* For debug print */ 51 #endif /* ! NDEBUG */ 52 53 #include "mhd_public_api.h" 54 55 #include "compat_calloc.h" 56 57 #include "mhd_daemon.h" 58 #include "daemon_options.h" 59 60 #include "daemon_logger_default.h" 61 62 #include "mhd_lib_init.h" 63 64 #ifndef SIZE_MAX 65 # define SIZE_MAX ((size_t) (~((size_t) 0))) 66 #endif 67 68 MHD_FN_MUST_CHECK_RESULT_ MHD_EXTERN_ struct MHD_Daemon * 69 MHD_daemon_create (MHD_RequestCallback req_cb, 70 void *req_cb_cls) 71 { 72 struct MHD_Daemon *d; 73 struct DaemonOptions *s; 74 75 if (NULL == req_cb) 76 return NULL; 77 78 if (!mhd_lib_init_global_if_needed ()) 79 { 80 #ifndef NDEBUG 81 fprintf (stderr, "Failed to initialise MHD library.\n"); 82 fflush (stderr); 83 #endif /* ! NDEBUG */ 84 return NULL; 85 } 86 87 d = (struct MHD_Daemon *)mhd_calloc (1, sizeof(struct MHD_Daemon)); 88 if (NULL != d) 89 { 90 s = (struct DaemonOptions *)mhd_calloc (1, sizeof(struct DaemonOptions)); 91 if (NULL != s) 92 { 93 /* calloc() does not guarantee that floating point values and pointers 94 are initialised to zero and NULL (respectively). */ 95 /* Any floating point and pointer members must be initialised manually here */ 96 #ifndef HAVE_NULL_PTR_ALL_ZEROS 97 s->bind_sa.v_sa = NULL; 98 s->tls_cert_key.v_mem_key = NULL; 99 s->tls_cert_key.v_mem_cert = NULL; 100 s->tls_cert_key.v_mem_pass = NULL; 101 s->tls_app_name.v_app_name = NULL; 102 s->tls_openssl_def_file.v_pathname = NULL; 103 s->tls_client_ca = NULL; 104 s->tls_psk_callback.v_psk_cb = NULL; 105 s->tls_psk_callback.v_psk_cb_cls = NULL; 106 s->accept_policy.v_apc = NULL; 107 s->accept_policy.v_apc_cls = NULL; 108 s->early_uri_logger.v_cb = NULL; 109 s->early_uri_logger.v_cls = NULL; 110 s->daemon_ready_callback.v_cb = NULL; 111 s->daemon_ready_callback.v_cb_cls = NULL; 112 s->notify_connection.v_ncc = NULL; 113 s->notify_connection.v_cls = NULL; 114 s->notify_stream.v_nsc = NULL; 115 s->notify_stream.v_cls = NULL; 116 s->random_entropy.v_buf = NULL; 117 118 /* d->log_params.v_log_cb = NULL; */ /* used directly */ 119 /* d->log_params.v_log_cb_cls = NULL;*/ /* used directly */ 120 #endif /* !HAVE_NULL_PTR_ALL_ZEROS */ 121 122 s->large_pool_size = SIZE_MAX; /* The impossible value */ 123 124 s->listen_socket = MHD_INVALID_SOCKET; 125 s->fd_number_limit = MHD_INVALID_SOCKET; 126 127 d->log_params.v_log_cb = (MHD_LoggingCallback)mhd_logger_default; 128 d->req_cfg.cb = req_cb; 129 d->req_cfg.cb_cls = req_cb_cls; 130 d->settings = s; 131 132 return d; /* Success exit point */ 133 } 134 /* Below is a clean-up path */ 135 free (d); 136 } 137 mhd_lib_deinit_global_if_needed (); 138 139 return NULL; /* Failure exit point */ 140 } 141 142 143 /* This is a workaround for GCC/binutils bug. 144 * To make sure that initialisation functions are called when MHD is used as 145 * a static library, put initialisation functions to the file with function 146 * that always referred/used by application/user of the library. 147 * If application does not refer any function, the initialiser call could be 148 * missed for the static library. 149 */ 150 #define MHD_LIB_INIT_IMPL_H_IN_DAEMON_CREATE_C 1 151 #include "mhd_lib_init_impl.h"