1 /* 2 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #ifndef OSSL_INTERNAL_SOCKETS_H 11 # define OSSL_INTERNAL_SOCKETS_H 12 # pragma once 13 14 # include <openssl/opensslconf.h> 15 # include "internal/common.h" 16 17 # if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI) 18 # define NO_SYS_PARAM_H 19 # endif 20 # ifdef WIN32 21 # define NO_SYS_UN_H 22 # endif 23 # ifdef OPENSSL_SYS_VMS 24 # define NO_SYS_PARAM_H 25 # define NO_SYS_UN_H 26 # endif 27 28 # ifdef OPENSSL_NO_SOCK 29 30 # elif defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 31 # if defined(__DJGPP__) 32 # define WATT32 33 # define WATT32_NO_OLDIES 34 # include <sys/socket.h> 35 # include <sys/un.h> 36 # include <tcp.h> 37 # include <netdb.h> 38 # include <arpa/inet.h> 39 # include <netinet/tcp.h> 40 # elif defined(_WIN32_WCE) && _WIN32_WCE<410 41 # define getservbyname _masked_declaration_getservbyname 42 # endif 43 # if !defined(IPPROTO_IP) 44 /* winsock[2].h was included already? */ 45 # include "internal/e_winsock.h" 46 # endif 47 # ifdef getservbyname 48 /* this is used to be wcecompat/include/winsock_extras.h */ 49 # undef getservbyname 50 struct servent *PASCAL getservbyname(const char *, const char *); 51 # endif 52 53 # ifdef _WIN64 54 /* 55 * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because 56 * the value constitutes an index in per-process table of limited size 57 * and not a real pointer. And we also depend on fact that all processors 58 * Windows run on happen to be two's complement, which allows to 59 * interchange INVALID_SOCKET and -1. 60 */ 61 # define socket(d,t,p) ((int)socket(d,t,p)) 62 # define accept(s,f,l) ((int)accept(s,f,l)) 63 # endif 64 65 /* Windows have other names for shutdown() reasons */ 66 # ifndef SHUT_RD 67 # define SHUT_RD SD_RECEIVE 68 # endif 69 # ifndef SHUT_WR 70 # define SHUT_WR SD_SEND 71 # endif 72 # ifndef SHUT_RDWR 73 # define SHUT_RDWR SD_BOTH 74 # endif 75 76 # else 77 # if defined(__APPLE__) 78 /* 79 * This must be defined before including <netinet/in6.h> to get 80 * IPV6_RECVPKTINFO 81 */ 82 # define __APPLE_USE_RFC_3542 83 # endif 84 85 # ifndef NO_SYS_PARAM_H 86 # include <sys/param.h> 87 # endif 88 # ifdef OPENSSL_SYS_VXWORKS 89 # include <time.h> 90 # endif 91 92 # include <netdb.h> 93 # if defined(OPENSSL_SYS_VMS) 94 typedef size_t socklen_t; /* Currently appears to be missing on VMS */ 95 # endif 96 # if defined(OPENSSL_SYS_VMS_NODECC) 97 # include <socket.h> 98 # include <in.h> 99 # include <inet.h> 100 # else 101 # include <sys/socket.h> 102 # if !defined(NO_SYS_UN_H) && defined(AF_UNIX) && !defined(OPENSSL_NO_UNIX_SOCK) 103 # include <sys/un.h> 104 # ifndef UNIX_PATH_MAX 105 # define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path) 106 # endif 107 # endif 108 # ifdef FILIO_H 109 # include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */ 110 # endif 111 # include <netinet/in.h> 112 # include <arpa/inet.h> 113 # include <netinet/tcp.h> 114 # endif 115 116 # ifdef OPENSSL_SYS_AIX 117 # include <sys/select.h> 118 # endif 119 120 # ifdef OPENSSL_SYS_UNIX 121 # ifndef OPENSSL_SYS_TANDEM 122 # include <poll.h> 123 # endif 124 # include <errno.h> 125 # endif 126 127 # ifndef VMS 128 # include <sys/ioctl.h> 129 # else 130 # if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000) 131 /* ioctl is only in VMS > 7.0 and when socketshr is not used */ 132 # include <sys/ioctl.h> 133 # endif 134 # include <unixio.h> 135 # if defined(TCPIP_TYPE_SOCKETSHR) 136 # include <socketshr.h> 137 # endif 138 # endif 139 140 # ifndef INVALID_SOCKET 141 # define INVALID_SOCKET (-1) 142 # endif 143 # endif 144 145 /* 146 * Some IPv6 implementations are broken, you can disable them in known 147 * bad versions. 148 */ 149 # if !defined(OPENSSL_USE_IPV6) 150 # if defined(AF_INET6) 151 # define OPENSSL_USE_IPV6 1 152 # else 153 # define OPENSSL_USE_IPV6 0 154 # endif 155 # endif 156 157 /* 158 * Some platforms define AF_UNIX, but don't support it 159 */ 160 # if !defined(OPENSSL_NO_UNIX_SOCK) 161 # if !defined(AF_UNIX) || defined(NO_SYS_UN_H) 162 # define OPENSSL_NO_UNIX_SOCK 163 # endif 164 # endif 165 166 # define get_last_socket_error() errno 167 # define clear_socket_error() errno=0 168 # define get_last_socket_error_is_eintr() (get_last_socket_error() == EINTR) 169 170 # if defined(OPENSSL_SYS_WINDOWS) 171 # undef get_last_socket_error 172 # undef clear_socket_error 173 # undef get_last_socket_error_is_eintr 174 # define get_last_socket_error() WSAGetLastError() 175 # define clear_socket_error() WSASetLastError(0) 176 # define get_last_socket_error_is_eintr() (get_last_socket_error() == WSAEINTR) 177 # define readsocket(s,b,n) recv((s),(b),(n),0) 178 # define writesocket(s,b,n) send((s),(b),(n),0) 179 # elif defined(__DJGPP__) 180 # define closesocket(s) close_s(s) 181 # define readsocket(s,b,n) read_s(s,b,n) 182 # define writesocket(s,b,n) send(s,b,n,0) 183 # elif defined(OPENSSL_SYS_VMS) 184 # define ioctlsocket(a,b,c) ioctl(a,b,c) 185 # define closesocket(s) close(s) 186 # define readsocket(s,b,n) recv((s),(b),(n),0) 187 # define writesocket(s,b,n) send((s),(b),(n),0) 188 # elif defined(OPENSSL_SYS_VXWORKS) 189 # define ioctlsocket(a,b,c) ioctl((a),(b),(int)(c)) 190 # define closesocket(s) close(s) 191 # define readsocket(s,b,n) read((s),(b),(n)) 192 # define writesocket(s,b,n) write((s),(char *)(b),(n)) 193 # elif defined(OPENSSL_SYS_TANDEM) 194 # define readsocket(s,b,n) read((s),(b),(n)) 195 # define writesocket(s,b,n) write((s),(b),(n)) 196 # define ioctlsocket(a,b,c) ioctl(a,b,c) 197 # define closesocket(s) close(s) 198 # else 199 # define ioctlsocket(a,b,c) ioctl(a,b,c) 200 # define closesocket(s) close(s) 201 # define readsocket(s,b,n) read((s),(b),(n)) 202 # define writesocket(s,b,n) write((s),(b),(n)) 203 # endif 204 205 /* also in apps/include/apps.h */ 206 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE) 207 # define openssl_fdset(a, b) FD_SET((unsigned int)(a), b) 208 # else 209 # define openssl_fdset(a, b) FD_SET(a, b) 210 # endif 211 212 #endif 213