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aes.h	1.05 KB	-rw-r--r--	2026-06-08 03:37
app.h	10.23 KB	-rw-r--r--	2026-06-08 03:37
assertions.h	2.84 KB	-rw-r--r--	2026-06-08 03:37
atomic.h	4.07 KB	-rw-r--r--	2026-06-08 03:37
backtrace.h	3.8 KB	-rw-r--r--	2026-06-08 03:37
base32.h	4.35 KB	-rw-r--r--	2026-06-08 03:37
base64.h	2.8 KB	-rw-r--r--	2026-06-08 03:37
bind9.h	830 B	-rw-r--r--	2026-06-08 03:37
boolean.h	594 B	-rw-r--r--	2026-06-08 03:37
buffer.h	25.65 KB	-rw-r--r--	2026-06-08 03:37
bufferlist.h	1.42 KB	-rw-r--r--	2026-06-08 03:37
cmocka.h	1.35 KB	-rw-r--r--	2026-06-08 03:37
commandline.h	1.67 KB	-rw-r--r--	2026-06-08 03:37
condition.h	1.44 KB	-rw-r--r--	2026-06-08 03:37
counter.h	1.88 KB	-rw-r--r--	2026-06-08 03:37
crc64.h	998 B	-rw-r--r--	2026-06-08 03:37
deprecated.h	623 B	-rw-r--r--	2026-06-08 03:37
dir.h	1.56 KB	-rw-r--r--	2026-06-08 03:37
endian.h	4.67 KB	-rw-r--r--	2026-06-08 03:37
entropy.h	10.13 KB	-rw-r--r--	2026-06-08 03:37
errno.h	659 B	-rw-r--r--	2026-06-08 03:37
errno2result.h	902 B	-rw-r--r--	2026-06-08 03:38
error.h	1.4 KB	-rw-r--r--	2026-06-08 03:37
event.h	2.98 KB	-rw-r--r--	2026-06-08 03:37
eventclass.h	1.35 KB	-rw-r--r--	2026-06-08 03:37
file.h	11.39 KB	-rw-r--r--	2026-06-08 03:37
formatcheck.h	893 B	-rw-r--r--	2026-06-08 03:37
fsaccess.h	7.27 KB	-rw-r--r--	2026-06-08 03:37
hash.h	7.48 KB	-rw-r--r--	2026-06-08 03:37
heap.h	5.14 KB	-rw-r--r--	2026-06-08 03:37
hex.h	2.74 KB	-rw-r--r--	2026-06-08 03:37
hmacmd5.h	1.75 KB	-rw-r--r--	2026-06-08 03:37
hmacsha.h	4.41 KB	-rw-r--r--	2026-06-08 03:37
ht.h	4.29 KB	-rw-r--r--	2026-06-08 03:37
httpd.h	2.26 KB	-rw-r--r--	2026-06-08 03:37
int.h	1.06 KB	-rw-r--r--	2026-06-08 03:37
interfaceiter.h	3.05 KB	-rw-r--r--	2026-06-08 03:37
iterated_hash.h	1.02 KB	-rw-r--r--	2026-06-08 03:37
json.h	1.42 KB	-rw-r--r--	2026-06-08 03:37
keyboard.h	989 B	-rw-r--r--	2026-06-08 03:37
lang.h	637 B	-rw-r--r--	2026-06-08 03:37
lex.h	9.54 KB	-rw-r--r--	2026-06-08 03:37
lfsr.h	2.89 KB	-rw-r--r--	2026-06-08 03:37
lib.h	1.04 KB	-rw-r--r--	2026-06-08 03:37
likely.h	818 B	-rw-r--r--	2026-06-08 03:37
list.h	5.62 KB	-rw-r--r--	2026-06-08 03:37
log.h	28.06 KB	-rw-r--r--	2026-06-08 03:37
magic.h	994 B	-rw-r--r--	2026-06-08 03:37
md5.h	2.32 KB	-rw-r--r--	2026-06-08 03:37
mem.h	20.62 KB	-rw-r--r--	2026-06-08 03:37
meminfo.h	710 B	-rw-r--r--	2026-06-08 03:37
msgcat.h	2.66 KB	-rw-r--r--	2026-06-08 03:37
msgs.h	8.22 KB	-rw-r--r--	2026-06-08 03:37
mutex.h	3.44 KB	-rw-r--r--	2026-06-08 03:37
mutexblock.h	1.34 KB	-rw-r--r--	2026-06-08 03:37
net.h	10.29 KB	-rw-r--r--	2026-06-08 03:37
netaddr.h	4.48 KB	-rw-r--r--	2026-06-08 03:37
netdb.h	863 B	-rw-r--r--	2026-06-08 03:37
netscope.h	967 B	-rw-r--r--	2026-06-08 03:37
offset.h	700 B	-rw-r--r--	2026-06-08 03:37
once.h	983 B	-rw-r--r--	2026-06-08 03:37
ondestroy.h	2.73 KB	-rw-r--r--	2026-06-08 03:37
os.h	671 B	-rw-r--r--	2026-06-08 03:37
parseint.h	1.51 KB	-rw-r--r--	2026-06-08 03:37
platform.h	9.49 KB	-rw-r--r--	2026-06-08 03:37
pool.h	3.42 KB	-rw-r--r--	2026-06-08 03:37
portset.h	3.22 KB	-rw-r--r--	2026-06-08 03:37
print.h	2.42 KB	-rw-r--r--	2026-06-08 03:37
queue.h	5.08 KB	-rw-r--r--	2026-06-08 03:37
quota.h	2.38 KB	-rw-r--r--	2026-06-08 03:37
radix.h	6.34 KB	-rw-r--r--	2026-06-08 03:37
random.h	3.5 KB	-rw-r--r--	2026-06-08 03:37
ratelimiter.h	3.42 KB	-rw-r--r--	2026-06-08 03:37
refcount.h	8 KB	-rw-r--r--	2026-06-08 03:37
regex.h	767 B	-rw-r--r--	2026-06-08 03:37
region.h	1.99 KB	-rw-r--r--	2026-06-08 03:37
resource.h	2.79 KB	-rw-r--r--	2026-06-08 03:37
result.h	4.87 KB	-rw-r--r--	2026-06-08 03:37
resultclass.h	1.56 KB	-rw-r--r--	2026-06-08 03:37
rwlock.h	3.72 KB	-rw-r--r--	2026-06-08 03:37
safe.h	1.32 KB	-rw-r--r--	2026-06-08 03:37
serial.h	1.34 KB	-rw-r--r--	2026-06-08 03:37
sha1.h	1.52 KB	-rw-r--r--	2026-06-08 03:37
sha2.h	5.6 KB	-rw-r--r--	2026-06-08 03:37
siphash.h	734 B	-rw-r--r--	2026-06-08 03:37
sockaddr.h	5.9 KB	-rw-r--r--	2026-06-08 03:37
socket.h	35.8 KB	-rw-r--r--	2026-06-08 03:37
stat.h	806 B	-rw-r--r--	2026-06-08 03:37
stats.h	3.62 KB	-rw-r--r--	2026-06-08 03:37
stdatomic.h	5.13 KB	-rw-r--r--	2026-06-08 03:37
stdio.h	1.75 KB	-rw-r--r--	2026-06-08 03:37
stdlib.h	704 B	-rw-r--r--	2026-06-08 03:37
stdtime.h	1.04 KB	-rw-r--r--	2026-06-08 03:37
strerror.h	777 B	-rw-r--r--	2026-06-08 03:37
string.h	5.88 KB	-rw-r--r--	2026-06-08 03:37
symtab.h	4.22 KB	-rw-r--r--	2026-06-08 03:37
syslog.h	844 B	-rw-r--r--	2026-06-08 03:37
task.h	21.04 KB	-rw-r--r--	2026-06-08 03:37
taskpool.h	3.62 KB	-rw-r--r--	2026-06-08 03:37
thread.h	1.47 KB	-rw-r--r--	2026-06-08 03:37
time.h	8.67 KB	-rw-r--r--	2026-06-08 03:37
timer.h	10.54 KB	-rw-r--r--	2026-06-08 03:37
tm.h	895 B	-rw-r--r--	2026-06-08 03:37
types.h	5.64 KB	-rw-r--r--	2026-06-08 03:37
utf8.h	928 B	-rw-r--r--	2026-06-08 03:37
util.h	10.29 KB	-rw-r--r--	2026-06-08 03:37
version.h	689 B	-rw-r--r--	2026-06-08 03:37
xml.h	1.07 KB	-rw-r--r--	2026-06-08 03:37

Rename

/*
 * Copyright (C) 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 https://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

#ifndef ISC_INTERFACEITER_H
#define ISC_INTERFACEITER_H 1

/*****
 ***** Module Info
 *****/

/*! \file isc/interfaceiter.h
 * \brief Iterates over the list of network interfaces.
 *
 * Interfaces whose address family is not supported are ignored and never
 * returned by the iterator.  Interfaces whose netmask, interface flags,
 * or similar cannot be obtained are also ignored, and the failure is logged.
 *
 * Standards:
 *	The API for scanning varies greatly among operating systems.
 *	This module attempts to hide the differences.
 */

/***
 *** Imports
 ***/

#include <inttypes.h>

#include <isc/lang.h>
#include <isc/netaddr.h>
#include <isc/types.h>

/*!
 * \brief Public structure describing a network interface.
 */

struct isc_interface {
	char name[32];			/*%< Interface name, null-terminated. */
	unsigned int af;		/*%< Address family. */
	isc_netaddr_t address;		/*%< Local address. */
	isc_netaddr_t netmask;		/*%< Network mask. */
	isc_netaddr_t dstaddress; 	/*%< Destination address (point-to-point only). */
	uint32_t flags;		/*%< Flags; see INTERFACE flags. */
};

/*@{*/
/*! Interface flags. */

#define INTERFACE_F_UP			0x00000001U
#define INTERFACE_F_POINTTOPOINT	0x00000002U
#define INTERFACE_F_LOOPBACK		0x00000004U
/*@}*/

/***
 *** Functions
 ***/

ISC_LANG_BEGINDECLS

isc_result_t
isc_interfaceiter_create(isc_mem_t *mctx, isc_interfaceiter_t **iterp);
/*!<
 * \brief Create an iterator for traversing the operating system's list
 * of network interfaces.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS
 * \li	#ISC_R_NOMEMORY
 *\li	Various network-related errors
 */

isc_result_t
isc_interfaceiter_first(isc_interfaceiter_t *iter);
/*!<
 * \brief Position the iterator on the first interface.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		Success.
 *\li	#ISC_R_NOMORE		There are no interfaces.
 */

isc_result_t
isc_interfaceiter_current(isc_interfaceiter_t *iter,
			  isc_interface_t *ifdata);
/*!<
 * \brief Get information about the interface the iterator is currently
 * positioned at and store it at *ifdata.
 *
 * Requires:
 *\li 	The iterator has been successfully positioned using
 * 	isc_interface_iter_first() / isc_interface_iter_next().
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		Success.
 */

isc_result_t
isc_interfaceiter_next(isc_interfaceiter_t *iter);
/*!<
 * \brief Position the iterator on the next interface.
 *
 * Requires:
 * \li	The iterator has been successfully positioned using
 * 	isc_interface_iter_first() / isc_interface_iter_next().
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		Success.
 *\li	#ISC_R_NOMORE		There are no more interfaces.
 */

void
isc_interfaceiter_destroy(isc_interfaceiter_t **iterp);
/*!<
 * \brief Destroy the iterator.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_INTERFACEITER_H */