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06f9163d51
Since BIND 9 headers are not longer public, there's no reason to keep the ISC_LANG_BEGINDECL and ISC_LANG_ENDDECL macros to support including them from C++ projects.
135 lines
3 KiB
C
135 lines
3 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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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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#pragma once
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#include <isc/list.h>
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#include <isc/types.h>
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/*! \file
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*
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* \brief
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* The IRS resconf module parses the legacy "/etc/resolv.conf" file and
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* creates the corresponding configuration objects for the DNS library
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* modules.
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*/
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/*%< resolv.conf configuration information */
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typedef struct irs_resconf irs_resconf_t;
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/*%
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* A DNS search list specified in the 'domain' or 'search' statements
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* in the "resolv.conf" file.
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*/
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typedef struct irs_resconf_search {
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char *domain;
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ISC_LINK(struct irs_resconf_search) link;
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} irs_resconf_search_t;
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typedef ISC_LIST(irs_resconf_search_t) irs_resconf_searchlist_t;
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isc_result_t
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irs_resconf_load(isc_mem_t *mctx, const char *filename, irs_resconf_t **confp);
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/*%<
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* Load the resolver configuration file 'filename' in the "resolv.conf" format,
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* and create a new irs_resconf_t object from the configuration. If the file
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* is not found ISC_R_FILENOTFOUND is returned with the structure initialized
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* as if file contained only:
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*
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* nameserver ::1
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* nameserver 127.0.0.1
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*
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* Notes:
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*
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*\li Currently, only the following options are supported:
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* nameserver, domain, search, sortlist, ndots, and options.
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* In addition, 'sortlist' is not actually effective; it's parsed, but
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* the application cannot use the configuration.
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*
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* Returns:
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* \li ISC_R_SUCCESS on success
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* \li ISC_R_FILENOTFOUND if the file was not found. *confp will be valid.
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* \li other on error.
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*
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* Requires:
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*
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*\li 'mctx' is a valid memory context.
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*
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*\li 'filename' != NULL
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*
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*\li 'confp' != NULL && '*confp' == NULL
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*/
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void
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irs_resconf_destroy(irs_resconf_t **confp);
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/*%<
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* Destroy the resconf object.
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*
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* Requires:
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*
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*\li '*confp' is a valid resconf object.
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*
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* Ensures:
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*
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*\li *confp == NULL
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*/
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isc_sockaddrlist_t *
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irs_resconf_getnameservers(irs_resconf_t *conf);
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/*%<
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* Return a list of name server addresses stored in 'conf'.
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*
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* Requires:
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*
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*\li 'conf' is a valid resconf object.
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*/
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irs_resconf_searchlist_t *
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irs_resconf_getsearchlist(irs_resconf_t *conf);
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/*%<
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* Return the search list stored in 'conf'.
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*
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* Requires:
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*
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*\li 'conf' is a valid resconf object.
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*/
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unsigned int
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irs_resconf_getndots(irs_resconf_t *conf);
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/*%<
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* Return the 'ndots' value stored in 'conf'.
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*
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* Requires:
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*
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*\li 'conf' is a valid resconf object.
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*/
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unsigned int
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irs_resconf_getattempts(irs_resconf_t *conf);
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/*%<
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* Return the 'attempts' value stored in 'conf'.
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*
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* Requires:
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*
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*\li 'conf' is a valid resconf object.
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*/
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unsigned int
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irs_resconf_gettimeout(irs_resconf_t *conf);
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/*%<
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* Return the 'timeout' value stored in 'conf'.
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*
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* Requires:
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*
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*\li 'conf' is a valid resconf object.
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*/
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