FM / dns

/usr/include/dns

Name	Size	Mode	Actions
acl.h	6432	0644	edit dl rm
adb.h	18372	0644	edit dl rm
byaddr.h	4513	0644	edit dl rm
cache.h	7591	0644	edit dl rm
callbacks.h	2240	0644	edit dl rm
cert.h	1987	0644	edit dl rm
compress.h	6224	0644	edit dl rm
db.h	41302	0644	edit dl rm
dbiterator.h	7871	0644	edit dl rm
dbtable.h	3691	0644	edit dl rm
diff.h	7628	0644	edit dl rm
dispatch.h	13566	0644	edit dl rm
dlz.h	11152	0644	edit dl rm
dnssec.h	11101	0644	edit dl rm
ds.h	1912	0644	edit dl rm
dynamic_db.h	1892	0644	edit dl rm
enumclass.h	1787	0644	edit dl rm
enumtype.h	6729	0644	edit dl rm
events.h	3959	0644	edit dl rm
fixedname.h	2237	0644	edit dl rm
forward.h	3605	0644	edit dl rm
iptable.h	1922	0644	edit dl rm
journal.h	8473	0644	edit dl rm
keyflags.h	1803	0644	edit dl rm
keytable.h	10212	0644	edit dl rm
keyvalues.h	4318	0644	edit dl rm
lib.h	1718	0644	edit dl rm
log.h	4143	0644	edit dl rm
master.h	9396	0644	edit dl rm
masterdump.h	9657	0644	edit dl rm
message.h	37972	0644	edit dl rm
name.h	35862	0644	edit dl rm
ncache.h	5184	0644	edit dl rm
nsec.h	2328	0644	edit dl rm
peer.h	5437	0644	edit dl rm
portlist.h	2539	0644	edit dl rm
private.h	1912	0644	edit dl rm
rbt.h	34526	0644	edit dl rm
rcode.h	3003	0644	edit dl rm
rdata.h	21333	0644	edit dl rm
rdataclass.h	2317	0644	edit dl rm
rdatalist.h	2895	0644	edit dl rm
rdataset.h	19824	0644	edit dl rm
rdatasetiter.h	4455	0644	edit dl rm
rdataslab.h	4679	0644	edit dl rm
rdatastruct.h	77858	0644	edit dl rm
rdatatype.h	2371	0644	edit dl rm
request.h	10448	0644	edit dl rm
resolver.h	16248	0644	edit dl rm
result.h	8493	0644	edit dl rm
rootns.h	1429	0644	edit dl rm
rpz.h	5438	0644	edit dl rm
rrl.h	6995	0644	edit dl rm
sdb.h	7341	0644	edit dl rm
sdlz.h	14440	0644	edit dl rm
secalg.h	2235	0644	edit dl rm
secproto.h	2082	0644	edit dl rm
soa.h	2750	0644	edit dl rm
ssu.h	6773	0644	edit dl rm
tcpmsg.h	3649	0644	edit dl rm
time.h	2093	0644	edit dl rm
tkey.h	8145	0644	edit dl rm
tsig.h	8727	0644	edit dl rm
ttl.h	2126	0644	edit dl rm
types.h	12295	0644	edit dl rm
validator.h	7524	0644	edit dl rm
version.h	1207	0644	edit dl rm
view.h	29037	0644	edit dl rm
xfrin.h	3130	0644	edit dl rm
zone.h	46200	0644	edit dl rm
zonekey.h	1283	0644	edit dl rm
zt.h	4644	0644	edit dl rm

Edit: /usr/include/dns/acl.h (6432B)

/*
 * Copyright (C) 2004-2007, 2009, 2011  Internet Systems Consortium, Inc. ("ISC")
 * Copyright (C) 1999-2002  Internet Software Consortium.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/* $Id: acl.h,v 1.33.426.2 2011-06-17 23:47:11 tbox Exp $ */

#ifndef DNS_ACL_H
#define DNS_ACL_H 1

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

/*! \file dns/acl.h
 * \brief
 * Address match list handling.
 */

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

#include <isc/lang.h>
#include <isc/magic.h>
#include <isc/netaddr.h>
#include <isc/refcount.h>

#include <dns/name.h>
#include <dns/types.h>
#include <dns/iptable.h>

/***
 *** Types
 ***/

typedef enum {
	dns_aclelementtype_ipprefix,
	dns_aclelementtype_keyname,
	dns_aclelementtype_nestedacl,
	dns_aclelementtype_localhost,
	dns_aclelementtype_localnets,
	dns_aclelementtype_any
} dns_aclelemettype_t;

typedef struct dns_aclipprefix dns_aclipprefix_t;

struct dns_aclipprefix {
	isc_netaddr_t address; /* IP4/IP6 */
	unsigned int prefixlen;
};

struct dns_aclelement {
	dns_aclelemettype_t	type;
	isc_boolean_t		negative;
	dns_name_t		keyname;
	dns_acl_t		*nestedacl;
	int			node_num;
};

struct dns_acl {
	unsigned int		magic;
	isc_mem_t		*mctx;
	isc_refcount_t		refcount;
	dns_iptable_t		*iptable;
#define node_count		iptable->radix->num_added_node
	dns_aclelement_t	*elements;
	isc_boolean_t 		has_negatives;
	unsigned int 		alloc;		/*%< Elements allocated */
	unsigned int 		length;		/*%< Elements initialized */
	char 			*name;		/*%< Temporary use only */
	ISC_LINK(dns_acl_t) 	nextincache;	/*%< Ditto */
};

struct dns_aclenv {
	dns_acl_t *localhost;
	dns_acl_t *localnets;
	isc_boolean_t match_mapped;
};

#define DNS_ACL_MAGIC		ISC_MAGIC('D','a','c','l')
#define DNS_ACL_VALID(a)	ISC_MAGIC_VALID(a, DNS_ACL_MAGIC)

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

ISC_LANG_BEGINDECLS

isc_result_t
dns_acl_create(isc_mem_t *mctx, int n, dns_acl_t **target);
/*%<
 * Create a new ACL, including an IP table and an array with room
 * for 'n' ACL elements.  The elements are uninitialized and the
 * length is 0.
 */

isc_result_t
dns_acl_any(isc_mem_t *mctx, dns_acl_t **target);
/*%<
 * Create a new ACL that matches everything.
 */

isc_result_t
dns_acl_none(isc_mem_t *mctx, dns_acl_t **target);
/*%<
 * Create a new ACL that matches nothing.
 */

isc_boolean_t
dns_acl_isany(dns_acl_t *acl);
/*%<
 * Test whether ACL is set to "{ any; }"
 */

isc_boolean_t
dns_acl_isnone(dns_acl_t *acl);
/*%<
 * Test whether ACL is set to "{ none; }"
 */

isc_result_t
dns_acl_merge(dns_acl_t *dest, dns_acl_t *source, isc_boolean_t pos);
/*%<
 * Merge the contents of one ACL into another.  Call dns_iptable_merge()
 * for the IP tables, then concatenate the element arrays.
 *
 * If pos is set to false, then the nested ACL is to be negated.  This
 * means reverse the sense of each *positive* element or IP table node,
 * but leave negatives alone, so as to prevent a double-negative causing
 * an unexpected positive match in the parent ACL.
 */

void
dns_acl_attach(dns_acl_t *source, dns_acl_t **target);
/*%<
 * Attach to acl 'source'.
 *
 * Requires:
 *\li	'source' to be a valid acl.
 *\li	'target' to be non NULL and '*target' to be NULL.
 */

void
dns_acl_detach(dns_acl_t **aclp);
/*%<
 * Detach the acl. On final detach the acl must not be linked on any
 * list.
 *
 * Requires:
 *\li	'*aclp' to be a valid acl.
 *
 * Insists:
 *\li	'*aclp' is not linked on final detach.
 */

isc_boolean_t
dns_acl_isinsecure(const dns_acl_t *a);
/*%<
 * Return #ISC_TRUE iff the acl 'a' is considered insecure, that is,
 * if it contains IP addresses other than those of the local host.
 * This is intended for applications such as printing warning
 * messages for suspect ACLs; it is not intended for making access
 * control decisions.  We make no guarantee that an ACL for which
 * this function returns #ISC_FALSE is safe.
 */

isc_result_t
dns_aclenv_init(isc_mem_t *mctx, dns_aclenv_t *env);
/*%<
 * Initialize ACL environment, setting up localhost and localnets ACLs
 */

void
dns_aclenv_copy(dns_aclenv_t *t, dns_aclenv_t *s);

void
dns_aclenv_destroy(dns_aclenv_t *env);

isc_result_t
dns_acl_match(const isc_netaddr_t *reqaddr,
	      const dns_name_t *reqsigner,
	      const dns_acl_t *acl,
	      const dns_aclenv_t *env,
	      int *match,
	      const dns_aclelement_t **matchelt);
/*%<
 * General, low-level ACL matching.  This is expected to
 * be useful even for weird stuff like the topology and sortlist statements.
 *
 * Match the address 'reqaddr', and optionally the key name 'reqsigner',
 * against 'acl'.  'reqsigner' may be NULL.
 *
 * If there is a match, '*match' will be set to an integer whose absolute
 * value corresponds to the order in which the matching value was inserted
 * into the ACL.  For a positive match, this value will be positive; for a
 * negative match, it will be negative.
 *
 * If there is no match, *match will be set to zero.
 *
 * If there is a match in the element list (either positive or negative)
 * and 'matchelt' is non-NULL, *matchelt will be pointed to the matching
 * element.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS		Always succeeds.
 */

isc_boolean_t
dns_aclelement_match(const isc_netaddr_t *reqaddr,
		     const dns_name_t *reqsigner,
		     const dns_aclelement_t *e,
		     const dns_aclenv_t *env,
		     const dns_aclelement_t **matchelt);
/*%<
 * Like dns_acl_match, but matches against the single ACL element 'e'
 * rather than a complete ACL, and returns ISC_TRUE iff it matched.
 *
 * To determine whether the match was positive or negative, the
 * caller should examine e->negative.  Since the element 'e' may be
 * a reference to a named ACL or a nested ACL, a matching element
 * returned through 'matchelt' is not necessarily 'e' itself.
 */

ISC_LANG_ENDDECLS

#endif /* DNS_ACL_H */

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