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
49 struct 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