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/* * 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 IRS_RESCONF_H #define IRS_RESCONF_H 1 /*! \file * * \brief * The IRS resconf module parses the legacy "/etc/resolv.conf" file and * creates the corresponding configuration objects for the DNS library * modules. */ #include <irs/types.h> /*% * A DNS search list specified in the 'domain' or 'search' statements * in the "resolv.conf" file. */ typedef struct irs_resconf_search { char *domain; ISC_LINK(struct irs_resconf_search) link; } irs_resconf_search_t; typedef ISC_LIST(irs_resconf_search_t) irs_resconf_searchlist_t; ISC_LANG_BEGINDECLS isc_result_t irs_resconf_load(isc_mem_t *mctx, const char *filename, irs_resconf_t **confp); /*%< * Load the resolver configuration file 'filename' in the "resolv.conf" format, * and create a new irs_resconf_t object from the configuration. If the file * is not found ISC_R_FILENOTFOUND is returned with the structure initialized * as if file contained only: * * nameserver ::1 * nameserver 127.0.0.1 * * Notes: * *\li Currently, only the following options are supported: * nameserver, domain, search, sortlist, ndots, and options. * In addition, 'sortlist' is not actually effective; it's parsed, but * the application cannot use the configuration. * * Returns: * \li ISC_R_SUCCESS on success * \li ISC_R_FILENOTFOUND if the file was not found. *confp will be valid. * \li other on error. * * Requires: * *\li 'mctx' is a valid memory context. * *\li 'filename' != NULL * *\li 'confp' != NULL && '*confp' == NULL */ void irs_resconf_destroy(irs_resconf_t **confp); /*%< * Destroy the resconf object. * * Requires: * *\li '*confp' is a valid resconf object. * * Ensures: * *\li *confp == NULL */ isc_sockaddrlist_t * irs_resconf_getnameservers(irs_resconf_t *conf); /*%< * Return a list of name server addresses stored in 'conf'. * * Requires: * *\li 'conf' is a valid resconf object. */ irs_resconf_searchlist_t * irs_resconf_getsearchlist(irs_resconf_t *conf); /*%< * Return the search list stored in 'conf'. * * Requires: * *\li 'conf' is a valid resconf object. */ unsigned int irs_resconf_getndots(irs_resconf_t *conf); /*%< * Return the 'ndots' value stored in 'conf'. * * Requires: * *\li 'conf' is a valid resconf object. */ ISC_LANG_ENDDECLS #endif /* IRS_RESCONF_H */