1 /*	$NetBSD: net.h,v 1.4 2014/12/10 04:38:02 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
5  * Copyright (C) 2000-2002  Internet Software Consortium.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 /* Id: net.h,v 1.9 2007/06/19 23:47:23 tbox Exp  */
21 
22 #ifndef LWRES_NET_H
23 #define LWRES_NET_H 1
24 
25 /*****
26  ***** Module Info
27  *****/
28 
29 /*! \file net.h
30  * This module is responsible for defining the following basic networking
31  * types:
32  *
33  *\li		struct in_addr
34  *\li		struct in6_addr
35  *\li		struct sockaddr
36  *\li		struct sockaddr_in
37  *\li		struct sockaddr_in6
38  *
39  * It ensures that the AF_ and PF_ macros are defined.
40  *
41  * It declares ntoh[sl]() and hton[sl]().
42  *
43  * It declares lwres_net_aton(), lwres_net_ntop(), and lwres_net_pton().
44  *
45  * It ensures that #INADDR_LOOPBACK, #INADDR_ANY and #IN6ADDR_ANY_INIT
46  * are defined.
47  */
48 
49 /***
50  *** Imports.
51  ***/
52 
53 #include <lwres/platform.h>	/* Required for LWRES_PLATFORM_*. */
54 
55 #include <unistd.h>
56 #include <sys/types.h>
57 #include <sys/socket.h>		/* Contractual promise. */
58 #include <sys/ioctl.h>
59 #include <sys/time.h>
60 #include <sys/un.h>
61 
62 #include <netinet/in.h>		/* Contractual promise. */
63 #include <arpa/inet.h>		/* Contractual promise. */
64 #ifdef LWRES_PLATFORM_NEEDNETINETIN6H
65 #include <netinet/in6.h>	/* Required on UnixWare. */
66 #endif
67 #ifdef LWRES_PLATFORM_NEEDNETINET6IN6H
68 #include <netinet6/in6.h>	/* Required on BSD/OS for in6_pktinfo. */
69 #endif
70 #include <net/if.h>
71 
72 #include <lwres/lang.h>
73 
74 #ifndef LWRES_PLATFORM_HAVEIPV6
75 #include <lwres/ipv6.h>		/* Contractual promise. */
76 #endif
77 
78 #ifdef LWRES_PLATFORM_HAVEINADDR6
79 #define in6_addr in_addr6	/* Required for pre RFC2133 implementations. */
80 #endif
81 
82 /*!
83  * Required for some pre RFC2133 implementations.
84  * IN6ADDR_ANY_INIT and IN6ADDR_LOOPBACK_INIT were added in
85  * draft-ietf-ipngwg-bsd-api-04.txt or draft-ietf-ipngwg-bsd-api-05.txt.
86  * If 's6_addr' is defined then assume that there is a union and three
87  * levels otherwise assume two levels required.
88  */
89 #ifndef IN6ADDR_ANY_INIT
90 #ifdef s6_addr
91 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
92 #else
93 #define IN6ADDR_ANY_INIT { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } }
94 #endif
95 #endif
96 
97 /*!
98  * Initialize address loopback.  See IN6ADDR_ANY_INIT
99  */
100 #ifndef IN6ADDR_LOOPBACK_INIT
101 #ifdef s6_addr
102 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
103 #else
104 #define IN6ADDR_LOOPBACK_INIT { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } }
105 #endif
106 #endif
107 
108 /*% Used by AI_ALL */
109 #ifndef AF_INET6
110 #define AF_INET6 99
111 #endif
112 
113 
114 /*% Used to return IPV6 address types. */
115 #ifndef PF_INET6
116 #define PF_INET6 AF_INET6
117 #endif
118 
119 /*% inaddr Loopback */
120 #ifndef INADDR_LOOPBACK
121 #define INADDR_LOOPBACK 0x7f000001UL
122 #endif
123 
124 LWRES_LANG_BEGINDECLS
125 
126 const char *
127 lwres_net_ntop(int af, const void *src, char *dst, size_t size);
128 
129 int
130 lwres_net_pton(int af, const char *src, void *dst);
131 
132 int
133 lwres_net_aton(const char *cp, struct in_addr *addr);
134 
135 LWRES_LANG_ENDDECLS
136 
137 #endif /* LWRES_NET_H */
138