2 * Copyright (c) 2004,2005 Damien Miller <djm@mindrot.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 /* Address handling routines */
22 #include <sys/socket.h>
23 #include <netinet/in.h>
33 } xa; /* 128-bit address */
34 u_int32_t scope_id; /* iface scope id for v6 */
37 #define addr8 xa.addr8
38 #define addr16 xa.addr16
39 #define addr32 xa.addr32
42 int addr_unicast_masklen(int af);
43 int addr_xaddr_to_sa(const struct xaddr *xa, struct sockaddr *sa,
44 socklen_t *len, u_int16_t port);
45 int addr_sa_to_xaddr(struct sockaddr *sa, socklen_t slen, struct xaddr *xa);
46 int addr_netmask(int af, u_int l, struct xaddr *n);
47 int addr_hostmask(int af, u_int l, struct xaddr *n);
48 int addr_invert(struct xaddr *n);
49 int addr_pton(const char *p, struct xaddr *n);
50 int addr_sa_pton(const char *h, const char *s, struct sockaddr *sa,
52 int addr_pton_cidr(const char *p, struct xaddr *n, u_int *l);
53 int addr_ntop(const struct xaddr *n, char *p, size_t len);
54 int addr_and(struct xaddr *dst, const struct xaddr *a, const struct xaddr *b);
55 int addr_cmp(const struct xaddr *a, const struct xaddr *b);
56 int addr_is_all0s(const struct xaddr *n);
57 int addr_host_is_all0s(const struct xaddr *n, u_int masklen);
58 int addr_netmatch(const struct xaddr *host, const struct xaddr *net,