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- /*
- * Copyright (c) 2004,2005 Damien Miller <djm@mindrot.org>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
- /* Address handling routines */
- #ifndef _ADDR_H
- #define _ADDR_H
- #include <sys/socket.h>
- #include <netinet/in.h>
- struct xaddr {
- sa_family_t af;
- union {
- struct in_addr v4;
- struct in6_addr v6;
- u_int8_t addr8[16];
- u_int16_t addr16[8];
- u_int32_t addr32[4];
- } xa; /* 128-bit address */
- u_int32_t scope_id; /* iface scope id for v6 */
- #define v4 xa.v4
- #define v6 xa.v6
- #define addr8 xa.addr8
- #define addr16 xa.addr16
- #define addr32 xa.addr32
- };
- int addr_unicast_masklen(int af);
- int addr_xaddr_to_sa(const struct xaddr *xa, struct sockaddr *sa,
- socklen_t *len, u_int16_t port);
- int addr_sa_to_xaddr(struct sockaddr *sa, socklen_t slen, struct xaddr *xa);
- int addr_netmask(int af, u_int l, struct xaddr *n);
- int addr_hostmask(int af, u_int l, struct xaddr *n);
- int addr_invert(struct xaddr *n);
- int addr_pton(const char *p, struct xaddr *n);
- int addr_sa_pton(const char *h, const char *s, struct sockaddr *sa,
- socklen_t slen);
- int addr_pton_cidr(const char *p, struct xaddr *n, u_int *l);
- int addr_ntop(const struct xaddr *n, char *p, size_t len);
- int addr_and(struct xaddr *dst, const struct xaddr *a, const struct xaddr *b);
- int addr_cmp(const struct xaddr *a, const struct xaddr *b);
- int addr_is_all0s(const struct xaddr *n);
- int addr_host_is_all0s(const struct xaddr *n, u_int masklen);
- int addr_netmatch(const struct xaddr *host, const struct xaddr *net,
- u_int masklen);
- #endif /* _ADDR_H */
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