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#   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
49struct 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# else
65
66#  ifndef NO_SYS_PARAM_H
67#   include <sys/param.h>
68#  endif
69#  ifdef OPENSSL_SYS_VXWORKS
70#   include <time.h>
71#  endif
72
73#  include <netdb.h>
74#  if defined(OPENSSL_SYS_VMS_NODECC)
75#   include <socket.h>
76#   include <in.h>
77#   include <inet.h>
78#  else
79#   include <sys/socket.h>
80#   ifndef NO_SYS_UN_H
81#    include <sys/un.h>
82#    ifndef UNIX_PATH_MAX
83#     define UNIX_PATH_MAX sizeof(((struct sockaddr_un *)NULL)->sun_path)
84#    endif
85#   endif
86#   ifdef FILIO_H
87#    include <sys/filio.h> /* FIONBIO in some SVR4, e.g. unixware, solaris */
88#   endif
89#   include <netinet/in.h>
90#   include <arpa/inet.h>
91#   include <netinet/tcp.h>
92#  endif
93
94#  ifdef OPENSSL_SYS_AIX
95#   include <sys/select.h>
96#  endif
97
98#  ifndef VMS
99#   include <sys/ioctl.h>
100#  else
101#   if !defined(TCPIP_TYPE_SOCKETSHR) && defined(__VMS_VER) && (__VMS_VER > 70000000)
102     /* ioctl is only in VMS > 7.0 and when socketshr is not used */
103#    include <sys/ioctl.h>
104#   endif
105#   include <unixio.h>
106#   if defined(TCPIP_TYPE_SOCKETSHR)
107#    include <socketshr.h>
108#   endif
109#  endif
110
111#  ifndef INVALID_SOCKET
112#   define INVALID_SOCKET      (-1)
113#  endif
114# endif
115
116/*
117 * Some IPv6 implementations are broken, you can disable them in known
118 * bad versions.
119 */
120# if !defined(OPENSSL_USE_IPV6)
121#  if defined(AF_INET6)
122#   define OPENSSL_USE_IPV6 1
123#  else
124#   define OPENSSL_USE_IPV6 0
125#  endif
126# endif
127
128# define get_last_socket_error() errno
129# define clear_socket_error()    errno=0
130
131# if defined(OPENSSL_SYS_WINDOWS)
132#  undef get_last_socket_error
133#  undef clear_socket_error
134#  define get_last_socket_error() WSAGetLastError()
135#  define clear_socket_error()    WSASetLastError(0)
136#  define readsocket(s,b,n)       recv((s),(b),(n),0)
137#  define writesocket(s,b,n)      send((s),(b),(n),0)
138# elif defined(__DJGPP__)
139#  define closesocket(s)          close_s(s)
140#  define readsocket(s,b,n)       read_s(s,b,n)
141#  define writesocket(s,b,n)      send(s,b,n,0)
142# elif defined(OPENSSL_SYS_VMS)
143#  define ioctlsocket(a,b,c)      ioctl(a,b,c)
144#  define closesocket(s)          close(s)
145#  define readsocket(s,b,n)       recv((s),(b),(n),0)
146#  define writesocket(s,b,n)      send((s),(b),(n),0)
147# elif defined(OPENSSL_SYS_VXWORKS)
148#  define ioctlsocket(a,b,c)          ioctl((a),(b),(int)(c))
149#  define closesocket(s)              close(s)
150#  define readsocket(s,b,n)           read((s),(b),(n))
151#  define writesocket(s,b,n)          write((s),(char *)(b),(n))
152# elif defined(OPENSSL_SYS_TANDEM)
153#  if defined(OPENSSL_TANDEM_FLOSS)
154#   include <floss.h(floss_read, floss_write)>
155#   define readsocket(s,b,n)       floss_read((s),(b),(n))
156#   define writesocket(s,b,n)      floss_write((s),(b),(n))
157#  else
158#   define readsocket(s,b,n)       read((s),(b),(n))
159#   define writesocket(s,b,n)      write((s),(b),(n))
160#  endif
161#  define ioctlsocket(a,b,c)      ioctl(a,b,c)
162#  define closesocket(s)          close(s)
163# else
164#  define ioctlsocket(a,b,c)      ioctl(a,b,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),(b),(n))
168# endif
169
170/* also in apps/include/apps.h */
171# if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE)
172#  define openssl_fdset(a, b) FD_SET((unsigned int)(a), b)
173# else
174#  define openssl_fdset(a, b) FD_SET(a, b)
175# endif
176
177#endif
178