/*

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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")

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*

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* This Source Code Form is subject to the terms of the Mozilla Public

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* License, v. 2.0. If a copy of the MPL was not distributed with this

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* file, you can obtain one at https://mozilla.org/MPL/2.0/.

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*

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* See the COPYRIGHT file distributed with this work for additional

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* information regarding copyright ownership.

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*/

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#ifndef ISCCFG_ACLCONF_H

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#define ISCCFG_ACLCONF_H 1

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#include <inttypes.h>

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#include <isc/lang.h>

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#include <isc/refcount.h>

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#include <isccfg/cfg.h>

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#include <dns/geoip.h>

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#include <dns/types.h>

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typedef struct cfg_aclconfctx {

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ISC_LIST(dns_acl_t) named_acl_cache;

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isc_mem_t *mctx;

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#if defined(HAVE_GEOIP) || defined(HAVE_GEOIP2)

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dns_geoip_databases_t *geoip;

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#endif

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isc_refcount_t references;

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} cfg_aclconfctx_t;

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/***

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*** Functions

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***/

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ISC_LANG_BEGINDECLS

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isc_result_t

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cfg_aclconfctx_create(isc_mem_t *mctx, cfg_aclconfctx_t **ret);

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/*

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* Creates and initializes an ACL configuration context.

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*/

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void

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cfg_aclconfctx_detach(cfg_aclconfctx_t **actxp);

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/*

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* Removes a reference to an ACL configuration context; when references

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* reaches zero, clears the contents and deallocate the structure.

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*/

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void

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cfg_aclconfctx_attach(cfg_aclconfctx_t *src, cfg_aclconfctx_t **dest);

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/*

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* Attaches a pointer to an existing ACL configuration context.

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*/

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isc_result_t

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cfg_acl_fromconfig(const cfg_obj_t *caml, const cfg_obj_t *cctx,

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isc_log_t *lctx, cfg_aclconfctx_t *ctx,

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isc_mem_t *mctx, unsigned int nest_level,

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dns_acl_t **target);

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isc_result_t

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cfg_acl_fromconfig2(const cfg_obj_t *caml, const cfg_obj_t *cctx,

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isc_log_t *lctx, cfg_aclconfctx_t *ctx,

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isc_mem_t *mctx, unsigned int nest_level,

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uint16_t family, dns_acl_t **target);

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/*

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* Construct a new dns_acl_t from configuration data in 'caml' and

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* 'cctx'. Memory is allocated through 'mctx'.

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*

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* Any named ACLs referred to within 'caml' will be be converted

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* into nested dns_acl_t objects. Multiple references to the same

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* named ACLs will be converted into shared references to a single

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* nested dns_acl_t object when the referring objects were created

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* passing the same ACL configuration context 'ctx'.

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*

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* cfg_acl_fromconfig() is a backward-compatible version of

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* cfg_acl_fromconfig2(), which allows an address family to be

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* specified. If 'family' is not zero, then only addresses/prefixes

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* of a matching family (AF_INET or AF_INET6) may be configured.

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*

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* On success, attach '*target' to the new dns_acl_t object.

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*/

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ISC_LANG_ENDDECLS

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#endif /* ISCCFG_ACLCONF_H */

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