/usr/include/isc/netaddr.h is in libbind-dev 1:9.11.3+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | /*
* Copyright (C) 1998-2002, 2004-2007, 2009, 2015-2017 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* $Id: netaddr.h,v 1.37 2009/01/17 23:47:43 tbox Exp $ */
#ifndef ISC_NETADDR_H
#define ISC_NETADDR_H 1
/*! \file isc/netaddr.h */
#include <isc/lang.h>
#include <isc/net.h>
#include <isc/types.h>
#ifdef ISC_PLATFORM_HAVESYSUNH
#include <sys/types.h>
#include <sys/un.h>
#endif
ISC_LANG_BEGINDECLS
struct isc_netaddr {
unsigned int family;
union {
struct in_addr in;
struct in6_addr in6;
#ifdef ISC_PLATFORM_HAVESYSUNH
char un[sizeof(((struct sockaddr_un *)0)->sun_path)];
#endif
} type;
isc_uint32_t zone;
};
isc_boolean_t
isc_netaddr_equal(const isc_netaddr_t *a, const isc_netaddr_t *b);
/*%<
* Compare network addresses 'a' and 'b'. Return #ISC_TRUE if
* they are equal, #ISC_FALSE if not.
*/
isc_boolean_t
isc_netaddr_eqprefix(const isc_netaddr_t *a, const isc_netaddr_t *b,
unsigned int prefixlen);
/*%<
* Compare the 'prefixlen' most significant bits of the network
* addresses 'a' and 'b'. If 'b''s scope is zero then 'a''s scope is
* ignored. Return #ISC_TRUE if they are equal, #ISC_FALSE if not.
*/
isc_result_t
isc_netaddr_masktoprefixlen(const isc_netaddr_t *s, unsigned int *lenp);
/*%<
* Convert a netmask in 's' into a prefix length in '*lenp'.
* The mask should consist of zero or more '1' bits in the
* most significant part of the address, followed by '0' bits.
* If this is not the case, #ISC_R_MASKNONCONTIG is returned.
*
* Returns:
*\li #ISC_R_SUCCESS
*\li #ISC_R_MASKNONCONTIG
*/
isc_result_t
isc_netaddr_totext(const isc_netaddr_t *netaddr, isc_buffer_t *target);
/*%<
* Append a text representation of 'sockaddr' to the buffer 'target'.
* The text is NOT null terminated. Handles IPv4 and IPv6 addresses.
*
* Returns:
*\li #ISC_R_SUCCESS
*\li #ISC_R_NOSPACE The text or the null termination did not fit.
*\li #ISC_R_FAILURE Unspecified failure
*/
void
isc_netaddr_format(const isc_netaddr_t *na, char *array, unsigned int size);
/*%<
* Format a human-readable representation of the network address '*na'
* into the character array 'array', which is of size 'size'.
* The resulting string is guaranteed to be null-terminated.
*/
#define ISC_NETADDR_FORMATSIZE \
sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:XXX.XXX.XXX.XXX%SSSSSSSSSS")
/*%<
* Minimum size of array to pass to isc_netaddr_format().
*/
void
isc_netaddr_fromsockaddr(isc_netaddr_t *netaddr, const isc_sockaddr_t *source);
void
isc_netaddr_fromin(isc_netaddr_t *netaddr, const struct in_addr *ina);
void
isc_netaddr_fromin6(isc_netaddr_t *netaddr, const struct in6_addr *ina6);
isc_result_t
isc_netaddr_frompath(isc_netaddr_t *netaddr, const char *path);
void
isc_netaddr_setzone(isc_netaddr_t *netaddr, isc_uint32_t zone);
isc_uint32_t
isc_netaddr_getzone(const isc_netaddr_t *netaddr);
void
isc_netaddr_any(isc_netaddr_t *netaddr);
/*%<
* Return the IPv4 wildcard address.
*/
void
isc_netaddr_any6(isc_netaddr_t *netaddr);
/*%<
* Return the IPv6 wildcard address.
*/
isc_boolean_t
isc_netaddr_ismulticast(isc_netaddr_t *na);
/*%<
* Returns ISC_TRUE if the address is a multicast address.
*/
isc_boolean_t
isc_netaddr_isexperimental(isc_netaddr_t *na);
/*%<
* Returns ISC_TRUE if the address is a experimental (CLASS E) address.
*/
isc_boolean_t
isc_netaddr_islinklocal(isc_netaddr_t *na);
/*%<
* Returns #ISC_TRUE if the address is a link local address.
*/
isc_boolean_t
isc_netaddr_issitelocal(isc_netaddr_t *na);
/*%<
* Returns #ISC_TRUE if the address is a site local address.
*/
isc_boolean_t
isc_netaddr_isnetzero(isc_netaddr_t *na);
/*%<
* Returns #ISC_TRUE if the address is in net zero.
*/
void
isc_netaddr_fromv4mapped(isc_netaddr_t *t, const isc_netaddr_t *s);
/*%<
* Convert an IPv6 v4mapped address into an IPv4 address.
*/
isc_result_t
isc_netaddr_prefixok(const isc_netaddr_t *na, unsigned int prefixlen);
/*
* Test whether the netaddr 'na' and 'prefixlen' are consistant.
* e.g. prefixlen within range.
* na does not have bits set which are not covered by the prefixlen.
*
* Returns:
* ISC_R_SUCCESS
* ISC_R_RANGE prefixlen out of range
* ISC_R_NOTIMPLEMENTED unsupported family
* ISC_R_FAILURE extra bits.
*/
isc_boolean_t
isc_netaddr_isloopback(const isc_netaddr_t *na);
/*
* Test whether the netaddr 'na' is a loopback IPv4 or IPv6 address (in
* 127.0.0.0/8 or ::1).
*/
ISC_LANG_ENDDECLS
#endif /* ISC_NETADDR_H */
|