include/internal/sockets.h

   1 /*
   2  * Copyright 1995-2022 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 #   include <sys/socket.h>
  32 #   include <sys/un.h>
  33 #   include <tcp.h>
  34 #   include <netdb.h>
  35 #   include <arpa/inet.h>
  36 #   include <netinet/tcp.h>
  37 #  elif defined(_WIN32_WCE) && _WIN32_WCE<410
  38 #   define getservbyname _masked_declaration_getservbyname
  39 #  endif
  40 #  if !defined(IPPROTO_IP)
  41     /* winsock[2].h was included already? */
  42 #   include <winsock.h>
  43 #  endif
  44 #  ifdef getservbyname
  45      /* this is used to be wcecompat/include/winsock_extras.h */
  46 #   undef getservbyname
  47 struct servent *PASCAL getservbyname(const char *, const char *);
  48 #  endif
  49
  50 #  ifdef _WIN64
  51 /*
  52  * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because
  53  * the value constitutes an index in per-process table of limited size
  54  * and not a real pointer. And we also depend on fact that all processors
  55  * Windows run on happen to be two's-complement, which allows to
  56  * interchange INVALID_SOCKET and -1.
  57  */
  58 #   define socket(d,t,p)   ((int)socket(d,t,p))
  59 #   define accept(s,f,l)   ((int)accept(s,f,l))
  60 #  endif
  61
  62 # else
  63 #  if defined(__APPLE__)
  64     /*
  65      * This must be defined before including <netinet/in6.h> to get
  66      * IPV6_RECVPKTINFO
  67      */
  68 #   define __APPLE_USE_RFC_3542
  69 #  endif
  70
  71 #  ifndef NO_SYS_PARAM_H
  72 #   include <sys/param.h>
  73 #  endif
  74 #  ifdef OPENSSL_SYS_VXWORKS
  75 #   include <time.h>
  76 #  endif
  77
  78 #  include <netdb.h>
  79 #  if defined(OPENSSL_SYS_VMS_NODECC)
  80 #   include <socket.h>
  81 #   include <in.h>
  82 #   include <inet.h>
  83 #  else
  84 #   include <sys/socket.h>
  85 #   if !defined(NO_SYS_UN_H) && defined(AF_UNIX) && !defined(OPENSSL_NO_UNIX_SOCK)
  86 #    include <sys/un.h>
  87 #    ifndef UNIX_PATH_MAX
  88 #     define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path)
  89 #    endif
  90 #   endif
  91 #   ifdef FILIO_H
  92 #    include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */
  93 #   endif
  94 #   include <netinet/in.h>
  95 #   include <arpa/inet.h>
  96 #   include <netinet/tcp.h>
  97 #  endif
  98
  99 #  ifdef OPENSSL_SYS_AIX
 100 #   include <sys/select.h>
 101 #  endif
 102
 103 #  ifndef VMS
 104 #   include <sys/ioctl.h>
 105 #  else
 106 #   if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
 107      /* ioctl is only in VMS > 7.0 and when socketshr is not used */
 108 #    include <sys/ioctl.h>
 109 #   endif
 110 #   include <unixio.h>
 111 #   if defined(TCPIP_TYPE_SOCKETSHR)
 112 #    include <socketshr.h>
 113 #   endif
 114 #  endif
 115
 116 #  ifndef INVALID_SOCKET
 117 #   define INVALID_SOCKET      (-1)
 118 #  endif
 119 # endif
 120
 121 /*
 122  * Some IPv6 implementations are broken, you can disable them in known
 123  * bad versions.
 124  */
 125 # if !defined(OPENSSL_USE_IPV6)
 126 #  if defined(AF_INET6)
 127 #   define OPENSSL_USE_IPV6 1
 128 #  else
 129 #   define OPENSSL_USE_IPV6 0
 130 #  endif
 131 # endif
 132
 133 /*
 134  * Some platforms define AF_UNIX, but don't support it
 135  */
 136 # if !defined(OPENSSL_NO_UNIX_SOCK)
 137 #  if !defined(AF_UNIX) || defined(NO_SYS_UN_H)
 138 #   define OPENSSL_NO_UNIX_SOCK
 139 #  endif
 140 # endif
 141
 142 # define get_last_socket_error() errno
 143 # define clear_socket_error()    errno=0
 144
 145 # if defined(OPENSSL_SYS_WINDOWS)
 146 #  undef get_last_socket_error
 147 #  undef clear_socket_error
 148 #  define get_last_socket_error() WSAGetLastError()
 149 #  define clear_socket_error()    WSASetLastError(0)
 150 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
 151 #  define writesocket(s,b,n)      send((s),(b),(n),0)
 152 # elif defined(__DJGPP__)
 153 #  define WATT32
 154 #  define WATT32_NO_OLDIES
 155 #  define closesocket(s)          close_s(s)
 156 #  define readsocket(s,b,n)       read_s(s,b,n)
 157 #  define writesocket(s,b,n)      send(s,b,n,0)
 158 # elif defined(OPENSSL_SYS_VMS)
 159 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
 160 #  define closesocket(s)          close(s)
 161 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
 162 #  define writesocket(s,b,n)      send((s),(b),(n),0)
 163 # elif defined(OPENSSL_SYS_VXWORKS)
 164 #  define ioctlsocket(a,b,c)          ioctl((a),(b),(int)(c))
 165 #  define closesocket(s)              close(s)
 166 #  define readsocket(s,b,n)           read((s),(b),(n))
 167 #  define writesocket(s,b,n)          write((s),(char *)(b),(n))
 168 # elif defined(OPENSSL_SYS_TANDEM)
 169 #  if defined(OPENSSL_TANDEM_FLOSS)
 170 #   include <floss.h(floss_read, floss_write)>
 171 #   define readsocket(s,b,n)       floss_read((s),(b),(n))
 172 #   define writesocket(s,b,n)      floss_write((s),(b),(n))
 173 #  else
 174 #   define readsocket(s,b,n)       read((s),(b),(n))
 175 #   define writesocket(s,b,n)      write((s),(b),(n))
 176 #  endif
 177 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
 178 #  define closesocket(s)          close(s)
 179 # else
 180 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
 181 #  define closesocket(s)          close(s)
 182 #  define readsocket(s,b,n)       read((s),(b),(n))
 183 #  define writesocket(s,b,n)      write((s),(b),(n))
 184 # endif
 185
 186 /* also in apps/include/apps.h */
 187 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE)
 188 #  define openssl_fdset(a, b) FD_SET((unsigned int)(a), b)
 189 # else
 190 #  define openssl_fdset(a, b) FD_SET(a, b)
 191 # endif
 192
 193 #endif