[ff36f5e] | 1 | /* $NetBSD: sockmisc.h,v 1.13 2011/03/14 17:18:13 tteras Exp $ */ |
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| 2 | |
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| 3 | /* Id: sockmisc.h,v 1.9 2005/10/05 16:55:41 manubsd Exp */ |
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| 4 | |
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| 5 | /* |
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| 6 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions |
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| 11 | * are met: |
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| 12 | * 1. Redistributions of source code must retain the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer. |
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 15 | * notice, this list of conditions and the following disclaimer in the |
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| 16 | * documentation and/or other materials provided with the distribution. |
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| 17 | * 3. Neither the name of the project nor the names of its contributors |
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| 18 | * may be used to endorse or promote products derived from this software |
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| 19 | * without specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 31 | * SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | #ifndef _SOCKMISC_H |
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| 35 | #define _SOCKMISC_H |
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| 36 | |
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| 37 | #ifndef IP_IPSEC_POLICY |
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| 38 | #define IP_IPSEC_POLICY 16 /* XXX: from linux/in.h */ |
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| 39 | #endif |
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| 40 | |
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| 41 | #ifndef IPV6_IPSEC_POLICY |
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| 42 | #define IPV6_IPSEC_POLICY 34 /* XXX: from linux/???.h per |
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| 43 | "Tom Lendacky" <toml@us.ibm.com> */ |
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| 44 | #endif |
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| 45 | |
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| 46 | union sockaddr_any { |
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| 47 | struct sockaddr sa; |
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| 48 | struct sockaddr_in sin; |
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| 49 | struct sockaddr_in6 sin6; |
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| 50 | }; |
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| 51 | |
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| 52 | struct netaddr { |
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| 53 | union sockaddr_any sa; |
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| 54 | unsigned long prefix; |
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| 55 | }; |
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| 56 | |
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| 57 | extern const int niflags; |
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| 58 | |
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| 59 | #define CMPSADDR_MATCH 0 |
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| 60 | #define CMPSADDR_WILDPORT_MATCH 1 |
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| 61 | #define CMPSADDR_WOP_MATCH 2 |
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| 62 | #define CMPSADDR_MISMATCH 3 |
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| 63 | |
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| 64 | extern int cmpsaddr __P((const struct sockaddr *, const struct sockaddr *)); |
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| 65 | |
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| 66 | extern struct sockaddr *getlocaladdr __P((struct sockaddr *)); |
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| 67 | |
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| 68 | extern int recvfromto __P((int, void *, size_t, int, |
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| 69 | struct sockaddr *, socklen_t *, struct sockaddr *, unsigned int *)); |
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| 70 | extern int sendfromto __P((int, const void *, size_t, |
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| 71 | struct sockaddr *, struct sockaddr *, int)); |
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| 72 | |
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| 73 | extern int setsockopt_bypass __P((int, int)); |
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| 74 | |
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| 75 | extern struct sockaddr *newsaddr __P((int)); |
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| 76 | extern struct sockaddr *dupsaddr __P((struct sockaddr *)); |
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| 77 | extern char *saddr2str __P((const struct sockaddr *)); |
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| 78 | extern char *saddrwop2str __P((const struct sockaddr *)); |
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| 79 | extern char *saddr2str_fromto __P((const char *format, |
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| 80 | const struct sockaddr *saddr, |
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| 81 | const struct sockaddr *daddr)); |
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| 82 | extern struct sockaddr *str2saddr __P((char *, char *)); |
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| 83 | extern void mask_sockaddr __P((struct sockaddr *, const struct sockaddr *, |
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| 84 | size_t)); |
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| 85 | |
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| 86 | /* struct netaddr functions */ |
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| 87 | extern char *naddrwop2str __P((const struct netaddr *naddr)); |
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| 88 | extern char *naddrwop2str_fromto __P((const char *format, const struct netaddr *saddr, |
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| 89 | const struct netaddr *daddr)); |
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| 90 | extern int naddr_score(const struct netaddr *naddr, const struct sockaddr *saddr); |
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| 91 | |
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| 92 | /* Some useful functions for sockaddr port manipulations. */ |
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| 93 | extern u_int16_t extract_port __P((const struct sockaddr *addr)); |
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| 94 | extern u_int16_t *set_port __P((struct sockaddr *addr, u_int16_t new_port)); |
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| 95 | extern u_int16_t *get_port_ptr __P((struct sockaddr *addr)); |
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| 96 | |
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| 97 | #endif /* _SOCKMISC_H */ |
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