src/resolve/resolved-dns-question.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #pragma once
   4
   5 /***
   6   This file is part of systemd.
   7
   8   Copyright 2014 Lennart Poettering
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 ***/
  23
  24 typedef struct DnsQuestion DnsQuestion;
  25
  26 #include "resolved-dns-rr.h"
  27
  28 /* A simple array of resources keys */
  29
  30 struct DnsQuestion {
  31         unsigned n_ref;
  32         unsigned n_keys, n_allocated;
  33         DnsResourceKey* keys[0];
  34 };
  35
  36 DnsQuestion *dns_question_new(unsigned n);
  37 DnsQuestion *dns_question_ref(DnsQuestion *q);
  38 DnsQuestion *dns_question_unref(DnsQuestion *q);
  39
  40 int dns_question_add(DnsQuestion *q, DnsResourceKey *key);
  41
  42 int dns_question_matches_rr(DnsQuestion *q, DnsResourceRecord *rr);
  43 int dns_question_matches_cname(DnsQuestion *q, DnsResourceRecord *rr);
  44 int dns_question_is_valid(DnsQuestion *q);
  45 int dns_question_is_superset(DnsQuestion *q, DnsQuestion *other);
  46
  47 int dns_question_cname_redirect(DnsQuestion *q, const char *name, DnsQuestion **ret);
  48
  49 int dns_question_endswith(DnsQuestion *q, const char *suffix);
  50 int dns_question_extract_reverse_address(DnsQuestion *q, int *family, union in_addr_union *address);
  51
  52 DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuestion*, dns_question_unref);