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
45struct 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