1 /* 2 * Copyright 1995-2023 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 16 # if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI) 17 # define NO_SYS_PARAM_H 18 # endif 19 # ifdef WIN32 20 # define NO_SYS_UN_H 21 # endif 22 # ifdef OPENSSL_SYS_VMS 23 # define NO_SYS_PARAM_H 24 # define NO_SYS_UN_H 25 # endif 26 27 # ifdef OPENSSL_NO_SOCK 28 29 # elif defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 30 # if defined(__DJGPP__) 31 # define WATT32 32 # define WATT32_NO_OLDIES 33 # include <sys/socket.h> 34 # include <sys/un.h> 35 # include <tcp.h> 36 # include <netdb.h> 37 # include <arpa/inet.h> 38 # include <netinet/tcp.h> 39 # elif defined(_WIN32_WCE) && _WIN32_WCE<410 40 # define getservbyname _masked_declaration_getservbyname 41 # endif 42 # if !defined(IPPROTO_IP) 43 /* winsock[2].h was included already? */ 44 # include <winsock.h> 45 # endif 46 # ifdef getservbyname 47 /* this is used to be wcecompat/include/winsock_extras.h */ 48 # undef getservbyname 49 struct servent *PASCAL getservbyname(const char *, const char *); 50 # endif 51 52 # ifdef _WIN64 53 /* 54 * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because 55 * the value constitutes an index in per-process table of limited size 56 * and not a real pointer. And we also depend on fact that all processors 57 * Windows run on happen to be two's-complement, which allows to 58 * interchange INVALID_SOCKET and -1. 59 */ 60 # define socket(d,t,p) ((int)socket(d,t,p)) 61 # define accept(s,f,l) ((int)accept(s,f,l)) 62 # endif 63 64 /* Windows have other names for shutdown() reasons */ 65 # ifndef SHUT_RD 66 # define SHUT_RD SD_RECEIVE 67 # endif 68 # ifndef SHUT_WR 69 # define SHUT_WR SD_SEND 70 # endif 71 # ifndef SHUT_RDWR 72 # define SHUT_RDWR SD_BOTH 73 # endif 74 75 # else 76 # if defined(__APPLE__) 77 /* 78 * This must be defined before including <netinet/in6.h> to get 79 * IPV6_RECVPKTINFO 80 */ 81 # define __APPLE_USE_RFC_3542 82 # endif 83 84 # ifndef NO_SYS_PARAM_H 85 # include <sys/param.h> 86 # endif 87 # ifdef OPENSSL_SYS_VXWORKS 88 # include <time.h> 89 # endif 90 91 # include <netdb.h> 92 # if defined(OPENSSL_SYS_VMS) 93 typedef size_t socklen_t; /* Currently appears to be missing on VMS */ 94 # endif 95 # if defined(OPENSSL_SYS_VMS_NODECC) 96 # include <socket.h> 97 # include <in.h> 98 # include <inet.h> 99 # else 100 # include <sys/socket.h> 101 # if !defined(NO_SYS_UN_H) && defined(AF_UNIX) && !defined(OPENSSL_NO_UNIX_SOCK) 102 # include <sys/un.h> 103 # ifndef UNIX_PATH_MAX 104 # define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path) 105 # endif 106 # endif 107 # ifdef FILIO_H 108 # include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */ 109 # endif 110 # include <netinet/in.h> 111 # include <arpa/inet.h> 112 # include <netinet/tcp.h> 113 # endif 114 115 # ifdef OPENSSL_SYS_AIX 116 # include <sys/select.h> 117 # endif 118 119 # ifdef OPENSSL_SYS_UNIX 120 # ifndef OPENSSL_SYS_TANDEM 121 # include <poll.h> 122 # endif 123 # include <errno.h> 124 # endif 125 126 # ifndef VMS 127 # include <sys/ioctl.h> 128 # else 129 # if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000) 130 /* ioctl is only in VMS > 7.0 and when socketshr is not used */ 131 # include <sys/ioctl.h> 132 # endif 133 # include <unixio.h> 134 # if defined(TCPIP_TYPE_SOCKETSHR) 135 # include <socketshr.h> 136 # endif 137 # endif 138 139 # ifndef INVALID_SOCKET 140 # define INVALID_SOCKET (-1) 141 # endif 142 # endif 143 144 /* 145 * Some IPv6 implementations are broken, you can disable them in known 146 * bad versions. 147 */ 148 # if !defined(OPENSSL_USE_IPV6) 149 # if defined(AF_INET6) 150 # define OPENSSL_USE_IPV6 1 151 # else 152 # define OPENSSL_USE_IPV6 0 153 # endif 154 # endif 155 156 /* 157 * Some platforms define AF_UNIX, but don't support it 158 */ 159 # if !defined(OPENSSL_NO_UNIX_SOCK) 160 # if !defined(AF_UNIX) || defined(NO_SYS_UN_H) 161 # define OPENSSL_NO_UNIX_SOCK 162 # endif 163 # endif 164 165 # define get_last_socket_error() errno 166 # define clear_socket_error() errno=0 167 # define get_last_socket_error_is_eintr() (get_last_socket_error() == EINTR) 168 169 # if defined(OPENSSL_SYS_WINDOWS) 170 # undef get_last_socket_error 171 # undef clear_socket_error 172 # undef get_last_socket_error_is_eintr 173 # define get_last_socket_error() WSAGetLastError() 174 # define clear_socket_error() WSASetLastError(0) 175 # define get_last_socket_error_is_eintr() (get_last_socket_error() == WSAEINTR) 176 # define readsocket(s,b,n) recv((s),(b),(n),0) 177 # define writesocket(s,b,n) send((s),(b),(n),0) 178 # elif defined(__DJGPP__) 179 # define closesocket(s) close_s(s) 180 # define readsocket(s,b,n) read_s(s,b,n) 181 # define writesocket(s,b,n) send(s,b,n,0) 182 # elif defined(OPENSSL_SYS_VMS) 183 # define ioctlsocket(a,b,c) ioctl(a,b,c) 184 # define closesocket(s) close(s) 185 # define readsocket(s,b,n) recv((s),(b),(n),0) 186 # define writesocket(s,b,n) send((s),(b),(n),0) 187 # elif defined(OPENSSL_SYS_VXWORKS) 188 # define ioctlsocket(a,b,c) ioctl((a),(b),(int)(c)) 189 # define closesocket(s) close(s) 190 # define readsocket(s,b,n) read((s),(b),(n)) 191 # define writesocket(s,b,n) write((s),(char *)(b),(n)) 192 # elif defined(OPENSSL_SYS_TANDEM) 193 # define readsocket(s,b,n) read((s),(b),(n)) 194 # define writesocket(s,b,n) write((s),(b),(n)) 195 # define ioctlsocket(a,b,c) ioctl(a,b,c) 196 # define closesocket(s) close(s) 197 # else 198 # define ioctlsocket(a,b,c) ioctl(a,b,c) 199 # define closesocket(s) close(s) 200 # define readsocket(s,b,n) read((s),(b),(n)) 201 # define writesocket(s,b,n) write((s),(b),(n)) 202 # endif 203 204 /* also in apps/include/apps.h */ 205 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE) 206 # define openssl_fdset(a, b) FD_SET((unsigned int)(a), b) 207 # else 208 # define openssl_fdset(a, b) FD_SET(a, b) 209 # endif 210 211 #endif 212