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      1 /*
      2  * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the OpenSSL license (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 #   include <arpa/inet.h>
     34 #   include <netinet/tcp.h>
     35 #  elif defined(_WIN32_WCE) && _WIN32_WCE<410
     36 #   define getservbyname _masked_declaration_getservbyname
     37 #  endif
     38 #  if !defined(IPPROTO_IP)
     39     /* winsock[2].h was included already? */
     40 #   include <winsock.h>
     41 #  endif
     42 #  ifdef getservbyname
     43      /* this is used to be wcecompat/include/winsock_extras.h */
     44 #   undef getservbyname
     45 struct servent *PASCAL getservbyname(const char *, const char *);
     46 #  endif
     47 
     48 #  ifdef _WIN64
     49 /*
     50  * Even though sizeof(SOCKET) is 8, it's safe to cast it to int, because
     51  * the value constitutes an index in per-process table of limited size
     52  * and not a real pointer. And we also depend on fact that all processors
     53  * Windows run on happen to be two's-complement, which allows to
     54  * interchange INVALID_SOCKET and -1.
     55  */
     56 #   define socket(d,t,p)   ((int)socket(d,t,p))
     57 #   define accept(s,f,l)   ((int)accept(s,f,l))
     58 #  endif
     59 
     60 # else
     61 
     62 #  ifndef NO_SYS_PARAM_H
     63 #   include <sys/param.h>
     64 #  endif
     65 #  ifdef OPENSSL_SYS_VXWORKS
     66 #   include <time.h>
     67 #  endif
     68 
     69 #  include <netdb.h>
     70 #  if defined(OPENSSL_SYS_VMS_NODECC)
     71 #   include <socket.h>
     72 #   include <in.h>
     73 #   include <inet.h>
     74 #  else
     75 #   include <sys/socket.h>
     76 #   ifndef NO_SYS_UN_H
     77 #    include <sys/un.h>
     78 #    ifndef UNIX_PATH_MAX
     79 #     define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path)
     80 #    endif
     81 #   endif
     82 #   ifdef FILIO_H
     83 #    include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */
     84 #   endif
     85 #   include <netinet/in.h>
     86 #   include <arpa/inet.h>
     87 #   include <netinet/tcp.h>
     88 #  endif
     89 
     90 #  ifdef OPENSSL_SYS_AIX
     91 #   include <sys/select.h>
     92 #  endif
     93 
     94 #  ifndef VMS
     95 #   include <sys/ioctl.h>
     96 #  else
     97 #   if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
     98      /* ioctl is only in VMS > 7.0 and when socketshr is not used */
     99 #    include <sys/ioctl.h>
    100 #   endif
    101 #   include <unixio.h>
    102 #   if defined(TCPIP_TYPE_SOCKETSHR)
    103 #    include <socketshr.h>
    104 #   endif
    105 #  endif
    106 
    107 #  ifndef INVALID_SOCKET
    108 #   define INVALID_SOCKET      (-1)
    109 #  endif
    110 # endif
    111 
    112 /*
    113  * Some IPv6 implementations are broken, you can disable them in known
    114  * bad versions.
    115  */
    116 # if !defined(OPENSSL_USE_IPV6)
    117 #  if defined(AF_INET6)
    118 #   define OPENSSL_USE_IPV6 1
    119 #  else
    120 #   define OPENSSL_USE_IPV6 0
    121 #  endif
    122 # endif
    123 
    124 # define get_last_socket_error() errno
    125 # define clear_socket_error()    errno=0
    126 
    127 # if defined(OPENSSL_SYS_WINDOWS)
    128 #  undef get_last_socket_error
    129 #  undef clear_socket_error
    130 #  define get_last_socket_error() WSAGetLastError()
    131 #  define clear_socket_error()    WSASetLastError(0)
    132 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
    133 #  define writesocket(s,b,n)      send((s),(b),(n),0)
    134 # elif defined(__DJGPP__)
    135 #  define WATT32
    136 #  define WATT32_NO_OLDIES
    137 #  define closesocket(s)          close_s(s)
    138 #  define readsocket(s,b,n)       read_s(s,b,n)
    139 #  define writesocket(s,b,n)      send(s,b,n,0)
    140 # elif defined(OPENSSL_SYS_VMS)
    141 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
    142 #  define closesocket(s)          close(s)
    143 #  define readsocket(s,b,n)       recv((s),(b),(n),0)
    144 #  define writesocket(s,b,n)      send((s),(b),(n),0)
    145 # elif defined(OPENSSL_SYS_VXWORKS)
    146 #  define ioctlsocket(a,b,c)          ioctl((a),(b),(int)(c))
    147 #  define closesocket(s)              close(s)
    148 #  define readsocket(s,b,n)           read((s),(b),(n))
    149 #  define writesocket(s,b,n)          write((s),(char *)(b),(n))
    150 # else
    151 #  define ioctlsocket(a,b,c)      ioctl(a,b,c)
    152 #  define closesocket(s)          close(s)
    153 #  define readsocket(s,b,n)       read((s),(b),(n))
    154 #  define writesocket(s,b,n)      write((s),(b),(n))
    155 # endif
    156 
    157 #endif
    158