include/internal/sockets.h

   1 /*
   2  * Copyright 1995-2018 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
  11 #ifndef OSSL_INTERNAL_SOCKETS_H
  12 # define OSSL_INTERNAL_SOCKETS_H
  13
  14 # if defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
  15 #  define NO_SYS_PARAM_H
  16 # endif
  17 # ifdef WIN32
  18 #  define NO_SYS_UN_H
  19 # endif
  20 # ifdef OPENSSL_SYS_VMS
  21 #  define NO_SYS_PARAM_H
  22 #  define NO_SYS_UN_H
  23 # endif
  24
  25 # ifdef OPENSSL_NO_SOCK
  26
  27 # elif defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
  28 #  if defined(__DJGPP__)
  29 #   include <sys/socket.h>
  30 #   include <sys/un.h>
  31 #   include <tcp.h>
  32 #   include <netdb.h>
  33 #  elif defined(_WIN32_WCE) && _WIN32_WCE<410
  34 #   define getservbyname _masked_declaration_getservbyname
  35 #  endif
  36 #  if !defined(IPPROTO_IP)
  37     /* winsock[2].h was included already? */
  38 #   include <winsock.h>
  39 #  endif
  40 #  ifdef getservbyname
  41      /* this is used to be wcecompat/include/winsock_extras.h */
  42 #   undef getservbyname
  43 struct servent *PASCAL getservbyname(const char *, const char *);
  44 #  endif
  45
  46 #  ifdef _WIN64
  47 /*
  48  * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because
  49  * the value constitutes an index in per-process table of limited size
  50  * and not a real pointer. And we also depend on fact that all processors
  51  * Windows run on happen to be two's-complement, which allows to
  52  * interchange INVALID_SOCKET and -1.
  53  */
  54 #   define socket(d,t,p)   ((int)socket(d,t,p))
  55 #   define accept(s,f,l)   ((int)accept(s,f,l))
  56 #  endif
  57
  58 # else
  59
  60 #  ifndef NO_SYS_PARAM_H
  61 #   include <sys/param.h>
  62 #  endif
  63 #  ifdef OPENSSL_SYS_VXWORKS
  64 #   include <time.h>
  65 #  endif
  66
  67 #  include <netdb.h>
  68 #  if defined(OPENSSL_SYS_VMS_NODECC)
  69 #   include <socket.h>
  70 #   include <in.h>
  71 #   include <inet.h>
  72 #  else
  73 #   include <sys/socket.h>
  74 #   ifndef NO_SYS_UN_H
  75 #    include <sys/un.h>
  76 #    ifndef UNIX_PATH_MAX
  77 #     define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path)
  78 #    endif
  79 #   endif
  80 #   ifdef FILIO_H
  81 #    include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */
  82 #   endif
  83 #   include <netinet/in.h>
  84 #   include <arpa/inet.h>
  85 #   include <netinet/tcp.h>
  86 #  endif
  87
  88 #  ifdef OPENSSL_SYS_AIX
  89 #   include <sys/select.h>
  90 #  endif
  91
  92 #  ifndef VMS
  93 #   include <sys/ioctl.h>
  94 #  else
  95 #   if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
  96      /* ioctl is only in VMS > 7.0 and when socketshr is not used */
  97 #    include <sys/ioctl.h>
  98 #   endif
  99 #   include <unixio.h>
 100 #   if defined(TCPIP_TYPE_SOCKETSHR)
 101 #    include <socketshr.h>
 102 #   endif
 103 #  endif
 104
 105 #  ifndef INVALID_SOCKET
 106 #   define INVALID_SOCKET      (-1)
 107 #  endif
 108 # endif
 109
 110 /*
 111  * Some IPv6 implementations are broken, you can disable them in known
 112  * bad versions.
 113  */
 114 # if !defined(OPENSSL_USE_IPV6)
 115 #  if defined(AF_INET6)
 116 #   define OPENSSL_USE_IPV6 1
 117 #  else
 118 #   define OPENSSL_USE_IPV6 0
 119 #  endif
 120 # endif
 121
 122 # define get_last_socket_error() errno
 123 # define clear_socket_error()    errno=0
 124
 125 # if defined(OPENSSL_SYS_WINDOWS)
 126 #  undef get_last_socket_error
 127 #  undef clear_socket_error
 128 #  define get_last_socket_error() WSAGetLastError()
 129 #  define clear_socket_error()    WSASetLastError(0)
 130 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
 131 #  define writesocket(s,b,n)      send((s),(b),(n),0)
 132 # elif defined(__DJGPP__)
 133 #  define WATT32
 134 #  define WATT32_NO_OLDIES
 135 #  define closesocket(s)          close_s(s)
 136 #  define readsocket(s,b,n)       read_s(s,b,n)
 137 #  define writesocket(s,b,n)      send(s,b,n,0)
 138 # elif defined(OPENSSL_SYS_VMS)
 139 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
 140 #  define closesocket(s)          close(s)
 141 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
 142 #  define writesocket(s,b,n)      send((s),(b),(n),0)
 143 # elif defined(OPENSSL_SYS_VXWORKS)
 144 #  define ioctlsocket(a,b,c)          ioctl((a),(b),(int)(c))
 145 #  define closesocket(s)              close(s)
 146 #  define readsocket(s,b,n)           read((s),(b),(n))
 147 #  define writesocket(s,b,n)          write((s),(char *)(b),(n))
 148 # else
 149 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
 150 #  define closesocket(s)          close(s)
 151 #  define readsocket(s,b,n)       read((s),(b),(n))
 152 #  define writesocket(s,b,n)      write((s),(b),(n))
 153 # endif
 154
 155 #endif