xref: /freebsd/usr.sbin/ppp/ncpaddr.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
29 /*
30  * These structures should be treated as opaque.
31  */
32 struct ncprange {
33   sa_family_t ncprange_family;
34   union {
35     struct {
36       struct in_addr ipaddr;
37       struct in_addr mask;
38       int width;
39     } ip4;
40 #ifndef NOINET6
41     struct {
42       struct in6_addr ipaddr;
43       int width;
44     } ip6;
45 #endif
46   } u;
47 };
48 
49 struct ncpaddr {
50   sa_family_t ncpaddr_family;
51   union {
52     struct in_addr ip4addr;
53 #ifndef NOINET6
54     struct in6_addr ip6addr;
55 #endif
56   } u;
57 };
58 
59 struct ncp;
60 
61 extern void ncpaddr_init(struct ncpaddr *);
62 extern int ncpaddr_isset(const struct ncpaddr *);
63 extern int ncpaddr_isdefault(const struct ncpaddr *);
64 extern int ncpaddr_equal(const struct ncpaddr *, const struct ncpaddr *);
65 extern void ncpaddr_copy(struct ncpaddr *, const struct ncpaddr *);
66 extern void ncpaddr_setip4addr(struct ncpaddr *, u_int32_t);
67 extern int ncpaddr_getip4addr(const struct ncpaddr *, u_int32_t *);
68 extern void ncpaddr_setip4(struct ncpaddr *, struct in_addr);
69 extern int ncpaddr_getip4(const struct ncpaddr *, struct in_addr *);
70 #ifndef NOINET6
71 extern void ncpaddr_setip6(struct ncpaddr *, const struct in6_addr *);
72 extern int ncpaddr_getip6(const struct ncpaddr *, struct in6_addr *);
73 #endif
74 extern void ncpaddr_getsa(const struct ncpaddr *, struct sockaddr_storage *);
75 extern void ncpaddr_setsa(struct ncpaddr *, const struct sockaddr *);
76 extern const char *ncpaddr_ntoa(const struct ncpaddr *);
77 extern int ncpaddr_aton(struct ncpaddr *, struct ncp *, const char *);
78 
79 extern void ncprange_init(struct ncprange *);
80 extern int ncprange_isset(const struct ncprange *);
81 extern int ncprange_equal(const struct ncprange *, const struct ncprange *);
82 extern int ncprange_isdefault(const struct ncprange *);
83 extern void ncprange_setdefault(struct ncprange *, int);
84 extern int ncprange_contains(const struct ncprange *, const struct ncpaddr *);
85 extern int ncprange_containsip4(const struct ncprange *, struct in_addr);
86 extern void ncprange_copy(struct ncprange *, const struct ncprange *);
87 extern void ncprange_set(struct ncprange *, const struct ncpaddr *, int);
88 extern void ncprange_sethost(struct ncprange *, const struct ncpaddr *);
89 extern int ncprange_ishost(const struct ncprange *);
90 extern int ncprange_setwidth(struct ncprange *, int);
91 extern void ncprange_setip4(struct ncprange *, struct in_addr, struct in_addr);
92 extern void ncprange_setip4host(struct ncprange *, struct in_addr);
93 extern int ncprange_setip4mask(struct ncprange *, struct in_addr);
94 extern void ncprange_setsa(struct ncprange *, const struct sockaddr *,
95                            const struct sockaddr *);
96 extern void ncprange_getsa(const struct ncprange *, struct sockaddr_storage *,
97                            struct sockaddr_storage *);
98 extern int ncprange_getaddr(const struct ncprange *, struct ncpaddr *);
99 extern int ncprange_getip4addr(const struct ncprange *, struct in_addr *);
100 extern int ncprange_getip4mask(const struct ncprange *, struct in_addr *);
101 extern int ncprange_getwidth(const struct ncprange *, int *);
102 extern const char *ncprange_ntoa(const struct ncprange *);
103 #ifndef NOINET6
104 extern int ncprange_scopeid(const struct ncprange *);
105 #endif
106 extern int ncprange_aton(struct ncprange *, struct ncp *, const char *);
107 
108 #define ncpaddr_family(a) ((a)->ncpaddr_family)
109 #define ncprange_family(r) ((r)->ncprange_family)
110