1 /* $NetBSD: sockmisc.h,v 1.14 2025/03/07 15:55:29 christos Exp $ */ 2 3 /* Id: sockmisc.h,v 1.9 2005/10/05 16:55:41 manubsd Exp */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef _SOCKMISC_H 35 #define _SOCKMISC_H 36 37 #ifndef IP_IPSEC_POLICY 38 #define IP_IPSEC_POLICY 16 /* XXX: from linux/in.h */ 39 #endif 40 41 #ifndef IPV6_IPSEC_POLICY 42 #define IPV6_IPSEC_POLICY 34 /* XXX: from linux/???.h per 43 "Tom Lendacky" <toml@us.ibm.com> */ 44 #endif 45 46 union sockaddr_any { 47 struct sockaddr sa; 48 struct sockaddr_in sin; 49 struct sockaddr_in6 sin6; 50 }; 51 52 struct netaddr { 53 union sockaddr_any sa; 54 unsigned long prefix; 55 }; 56 57 extern const int niflags; 58 59 #define CMPSADDR_MATCH 0 60 #define CMPSADDR_WILDPORT_MATCH 1 61 #define CMPSADDR_WOP_MATCH 2 62 #define CMPSADDR_MISMATCH 3 63 64 extern int cmpsaddr(const struct sockaddr *, const struct sockaddr *); 65 66 extern struct sockaddr *getlocaladdr(struct sockaddr *); 67 68 extern int recvfromto(int, void *, size_t, int, 69 struct sockaddr *, socklen_t *, struct sockaddr *, unsigned int *); 70 extern int sendfromto(int, const void *, size_t, 71 struct sockaddr *, struct sockaddr *, int); 72 73 extern int setsockopt_bypass(int, int); 74 75 extern struct sockaddr *newsaddr(int); 76 extern struct sockaddr *dupsaddr(struct sockaddr *); 77 extern char *saddr2str(const struct sockaddr *); 78 extern char *saddrwop2str(const struct sockaddr *); 79 extern char *saddr2str_fromto(const char *format, 80 const struct sockaddr *saddr, 81 const struct sockaddr *daddr); 82 extern struct sockaddr *str2saddr(char *, char *); 83 extern void mask_sockaddr(struct sockaddr *, const struct sockaddr *, size_t); 84 85 /* struct netaddr functions */ 86 extern char *naddrwop2str(const struct netaddr *naddr); 87 extern char *naddrwop2str_fromto(const char *format, 88 const struct netaddr *saddr, const struct netaddr *daddr); 89 extern int naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr); 90 91 /* Some useful functions for sockaddr port manipulations. */ 92 extern uint16_t extract_port(const struct sockaddr *addr); 93 extern uint16_t *set_port(struct sockaddr *addr, uint16_t new_port); 94 extern uint16_t *get_port_ptr(struct sockaddr *addr); 95 96 #endif /* _SOCKMISC_H */ 97