1/*
2 * Copyright 1995-2019 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#  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
43struct 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
156