119261079SEd Maste /* 219261079SEd Maste * Copyright (c) 2004,2005 Damien Miller <djm@mindrot.org> 319261079SEd Maste * 419261079SEd Maste * Permission to use, copy, modify, and distribute this software for any 519261079SEd Maste * purpose with or without fee is hereby granted, provided that the above 619261079SEd Maste * copyright notice and this permission notice appear in all copies. 719261079SEd Maste * 819261079SEd Maste * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 919261079SEd Maste * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1019261079SEd Maste * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 1119261079SEd Maste * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1219261079SEd Maste * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 1319261079SEd Maste * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 1419261079SEd Maste * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 1519261079SEd Maste */ 1619261079SEd Maste 1719261079SEd Maste /* Address handling routines */ 1819261079SEd Maste 1919261079SEd Maste #ifndef _ADDR_H 2019261079SEd Maste #define _ADDR_H 2119261079SEd Maste 2219261079SEd Maste #include <sys/socket.h> 2319261079SEd Maste #include <netinet/in.h> 2419261079SEd Maste 2519261079SEd Maste struct xaddr { 2619261079SEd Maste sa_family_t af; 2719261079SEd Maste union { 2819261079SEd Maste struct in_addr v4; 2919261079SEd Maste struct in6_addr v6; 3019261079SEd Maste u_int8_t addr8[16]; 3119261079SEd Maste u_int16_t addr16[8]; 3219261079SEd Maste u_int32_t addr32[4]; 3319261079SEd Maste } xa; /* 128-bit address */ 3419261079SEd Maste u_int32_t scope_id; /* iface scope id for v6 */ 3519261079SEd Maste #define v4 xa.v4 3619261079SEd Maste #define v6 xa.v6 3719261079SEd Maste #define addr8 xa.addr8 3819261079SEd Maste #define addr16 xa.addr16 3919261079SEd Maste #define addr32 xa.addr32 4019261079SEd Maste }; 4119261079SEd Maste 4219261079SEd Maste int addr_unicast_masklen(int af); 4319261079SEd Maste int addr_xaddr_to_sa(const struct xaddr *xa, struct sockaddr *sa, 4419261079SEd Maste socklen_t *len, u_int16_t port); 4519261079SEd Maste int addr_sa_to_xaddr(struct sockaddr *sa, socklen_t slen, struct xaddr *xa); 4619261079SEd Maste int addr_netmask(int af, u_int l, struct xaddr *n); 4719261079SEd Maste int addr_hostmask(int af, u_int l, struct xaddr *n); 4819261079SEd Maste int addr_invert(struct xaddr *n); 4919261079SEd Maste int addr_pton(const char *p, struct xaddr *n); 5019261079SEd Maste int addr_sa_pton(const char *h, const char *s, struct sockaddr *sa, 5119261079SEd Maste socklen_t slen); 5219261079SEd Maste int addr_pton_cidr(const char *p, struct xaddr *n, u_int *l); 5319261079SEd Maste int addr_ntop(const struct xaddr *n, char *p, size_t len); 5419261079SEd Maste int addr_and(struct xaddr *dst, const struct xaddr *a, const struct xaddr *b); 55*f374ba41SEd Maste int addr_or(struct xaddr *dst, const struct xaddr *a, const struct xaddr *b); 5619261079SEd Maste int addr_cmp(const struct xaddr *a, const struct xaddr *b); 5719261079SEd Maste int addr_is_all0s(const struct xaddr *n); 5819261079SEd Maste int addr_host_is_all0s(const struct xaddr *n, u_int masklen); 59*f374ba41SEd Maste int addr_host_to_all0s(struct xaddr *a, u_int masklen); 60*f374ba41SEd Maste int addr_host_to_all1s(struct xaddr *a, u_int masklen); 6119261079SEd Maste int addr_netmatch(const struct xaddr *host, const struct xaddr *net, 6219261079SEd Maste u_int masklen); 63*f374ba41SEd Maste void addr_increment(struct xaddr *a); 6419261079SEd Maste #endif /* _ADDR_H */ 65