1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Brian Somers <brian@Awfulhak.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31/*
32 * These structures should be treated as opaque.
33 */
34struct ncprange {
35  sa_family_t ncprange_family;
36  union {
37    struct {
38      struct in_addr ipaddr;
39      struct in_addr mask;
40      int width;
41    } ip4;
42#ifndef NOINET6
43    struct {
44      struct in6_addr ipaddr;
45      int width;
46    } ip6;
47#endif
48  } u;
49};
50
51struct ncpaddr {
52  sa_family_t ncpaddr_family;
53  union {
54    struct in_addr ip4addr;
55#ifndef NOINET6
56    struct in6_addr ip6addr;
57#endif
58  } u;
59};
60
61struct ncp;
62
63extern void ncpaddr_init(struct ncpaddr *);
64extern int ncpaddr_isset(const struct ncpaddr *);
65extern int ncpaddr_isdefault(const struct ncpaddr *);
66extern int ncpaddr_equal(const struct ncpaddr *, const struct ncpaddr *);
67extern void ncpaddr_copy(struct ncpaddr *, const struct ncpaddr *);
68extern void ncpaddr_setip4addr(struct ncpaddr *, u_int32_t);
69extern int ncpaddr_getip4addr(const struct ncpaddr *, u_int32_t *);
70extern void ncpaddr_setip4(struct ncpaddr *, struct in_addr);
71extern int ncpaddr_getip4(const struct ncpaddr *, struct in_addr *);
72#ifndef NOINET6
73extern void ncpaddr_setip6(struct ncpaddr *, const struct in6_addr *);
74extern int ncpaddr_getip6(const struct ncpaddr *, struct in6_addr *);
75#endif
76extern void ncpaddr_getsa(const struct ncpaddr *, struct sockaddr_storage *);
77extern void ncpaddr_setsa(struct ncpaddr *, const struct sockaddr *);
78extern const char *ncpaddr_ntoa(const struct ncpaddr *);
79extern int ncpaddr_aton(struct ncpaddr *, struct ncp *, const char *);
80
81extern void ncprange_init(struct ncprange *);
82extern int ncprange_isset(const struct ncprange *);
83extern int ncprange_equal(const struct ncprange *, const struct ncprange *);
84extern int ncprange_isdefault(const struct ncprange *);
85extern void ncprange_setdefault(struct ncprange *, int);
86extern int ncprange_contains(const struct ncprange *, const struct ncpaddr *);
87extern int ncprange_containsip4(const struct ncprange *, struct in_addr);
88extern void ncprange_copy(struct ncprange *, const struct ncprange *);
89extern void ncprange_set(struct ncprange *, const struct ncpaddr *, int);
90extern void ncprange_sethost(struct ncprange *, const struct ncpaddr *);
91extern int ncprange_ishost(const struct ncprange *);
92extern int ncprange_setwidth(struct ncprange *, int);
93extern void ncprange_setip4(struct ncprange *, struct in_addr, struct in_addr);
94extern void ncprange_setip4host(struct ncprange *, struct in_addr);
95extern int ncprange_setip4mask(struct ncprange *, struct in_addr);
96extern void ncprange_setsa(struct ncprange *, const struct sockaddr *,
97                           const struct sockaddr *);
98extern void ncprange_getsa(const struct ncprange *, struct sockaddr_storage *,
99                           struct sockaddr_storage *);
100extern int ncprange_getaddr(const struct ncprange *, struct ncpaddr *);
101extern int ncprange_getip4addr(const struct ncprange *, struct in_addr *);
102extern int ncprange_getip4mask(const struct ncprange *, struct in_addr *);
103extern int ncprange_getwidth(const struct ncprange *, int *);
104extern const char *ncprange_ntoa(const struct ncprange *);
105#ifndef NOINET6
106extern int ncprange_scopeid(const struct ncprange *);
107#endif
108extern int ncprange_aton(struct ncprange *, struct ncp *, const char *);
109
110#define ncpaddr_family(a) ((a)->ncpaddr_family)
111#define ncprange_family(r) ((r)->ncprange_family)
112