14b59ce38Sdtucker /* 24b59ce38Sdtucker * Copyright (c) 2004,2005 Damien Miller <djm@mindrot.org> 34b59ce38Sdtucker * 44b59ce38Sdtucker * Permission to use, copy, modify, and distribute this software for any 54b59ce38Sdtucker * purpose with or without fee is hereby granted, provided that the above 64b59ce38Sdtucker * copyright notice and this permission notice appear in all copies. 74b59ce38Sdtucker * 84b59ce38Sdtucker * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 94b59ce38Sdtucker * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 104b59ce38Sdtucker * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 114b59ce38Sdtucker * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 124b59ce38Sdtucker * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 134b59ce38Sdtucker * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 144b59ce38Sdtucker * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 154b59ce38Sdtucker */ 164b59ce38Sdtucker 174b59ce38Sdtucker /* Address handling routines */ 184b59ce38Sdtucker 194b59ce38Sdtucker #ifndef _ADDR_H 204b59ce38Sdtucker #define _ADDR_H 214b59ce38Sdtucker 224b59ce38Sdtucker #include <sys/socket.h> 234b59ce38Sdtucker #include <netinet/in.h> 244b59ce38Sdtucker 254b59ce38Sdtucker struct xaddr { 264b59ce38Sdtucker sa_family_t af; 274b59ce38Sdtucker union { 284b59ce38Sdtucker struct in_addr v4; 294b59ce38Sdtucker struct in6_addr v6; 304b59ce38Sdtucker u_int8_t addr8[16]; 314b59ce38Sdtucker u_int16_t addr16[8]; 324b59ce38Sdtucker u_int32_t addr32[4]; 334b59ce38Sdtucker } xa; /* 128-bit address */ 344b59ce38Sdtucker u_int32_t scope_id; /* iface scope id for v6 */ 354b59ce38Sdtucker #define v4 xa.v4 364b59ce38Sdtucker #define v6 xa.v6 374b59ce38Sdtucker #define addr8 xa.addr8 384b59ce38Sdtucker #define addr16 xa.addr16 394b59ce38Sdtucker #define addr32 xa.addr32 404b59ce38Sdtucker }; 414b59ce38Sdtucker 424b59ce38Sdtucker int addr_sa_to_xaddr(struct sockaddr *sa, socklen_t slen, struct xaddr *xa); 434b59ce38Sdtucker int addr_netmask(int af, u_int l, struct xaddr *n); 444b59ce38Sdtucker int addr_pton(const char *p, struct xaddr *n); 454b59ce38Sdtucker int addr_pton_cidr(const char *p, struct xaddr *n, u_int *l); 464b59ce38Sdtucker int addr_ntop(const struct xaddr *n, char *p, size_t len); 474b59ce38Sdtucker int addr_and(struct xaddr *dst, const struct xaddr *a, const struct xaddr *b); 484b59ce38Sdtucker int addr_cmp(const struct xaddr *a, const struct xaddr *b); 49*ba77ede9Sdjm int addr_host_to_all1s(struct xaddr *a, u_int masklen); 504b59ce38Sdtucker int addr_netmatch(const struct xaddr *host, const struct xaddr *net, 514b59ce38Sdtucker u_int masklen); 52*ba77ede9Sdjm void addr_increment(struct xaddr *a); 534b59ce38Sdtucker #endif /* _ADDR_H */ 54