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faa133f3 LP |
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 | ||
92aea95e | 26 | #include "macro.h" |
faa133f3 LP |
27 | #include "resolved-dns-rr.h" |
28 | ||
92aea95e | 29 | /* A simple array of resource keys */ |
faa133f3 LP |
30 | |
31 | struct DnsQuestion { | |
32 | unsigned n_ref; | |
33 | unsigned n_keys, n_allocated; | |
34 | DnsResourceKey* keys[0]; | |
35 | }; | |
36 | ||
37 | DnsQuestion *dns_question_new(unsigned n); | |
38 | DnsQuestion *dns_question_ref(DnsQuestion *q); | |
39 | DnsQuestion *dns_question_unref(DnsQuestion *q); | |
40 | ||
23b298bc | 41 | int dns_question_new_address(DnsQuestion **ret, int family, const char *name, bool convert_idna); |
45ec7efb | 42 | int dns_question_new_reverse(DnsQuestion **ret, int family, const union in_addr_union *a); |
23b298bc | 43 | int dns_question_new_service(DnsQuestion **ret, const char *service, const char *type, const char *domain, bool with_txt, bool convert_idna); |
45ec7efb | 44 | |
faa133f3 LP |
45 | int dns_question_add(DnsQuestion *q, DnsResourceKey *key); |
46 | ||
801ad6a6 | 47 | int dns_question_matches_rr(DnsQuestion *q, DnsResourceRecord *rr, const char *search_domain); |
542e0c84 | 48 | int dns_question_matches_cname_or_dname(DnsQuestion *q, DnsResourceRecord *rr, const char* search_domain); |
703e4f5e | 49 | int dns_question_is_valid_for_query(DnsQuestion *q); |
6a21960c | 50 | int dns_question_contains(DnsQuestion *a, const DnsResourceKey *k); |
1086182d | 51 | int dns_question_is_equal(DnsQuestion *a, DnsQuestion *b); |
faa133f3 | 52 | |
36d9205d | 53 | int dns_question_cname_redirect(DnsQuestion *q, const DnsResourceRecord *cname, DnsQuestion **ret); |
faa133f3 | 54 | |
703e4f5e | 55 | const char *dns_question_first_name(DnsQuestion *q); |
45ec7efb | 56 | |
23b298bc LP |
57 | static inline unsigned dns_question_size(DnsQuestion *q) { |
58 | return q ? q->n_keys : 0; | |
59 | } | |
60 | ||
faa133f3 | 61 | DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuestion*, dns_question_unref); |
801ad6a6 | 62 | |
92aea95e LP |
63 | #define _DNS_QUESTION_FOREACH(u, key, q) \ |
64 | for (unsigned UNIQ_T(i, u) = ({ \ | |
801ad6a6 LP |
65 | (key) = ((q) && (q)->n_keys > 0) ? (q)->keys[0] : NULL; \ |
66 | 0; \ | |
67 | }); \ | |
92aea95e LP |
68 | (q) && (UNIQ_T(i, u) < (q)->n_keys); \ |
69 | UNIQ_T(i, u)++, (key) = (UNIQ_T(i, u) < (q)->n_keys ? (q)->keys[UNIQ_T(i, u)] : NULL)) | |
70 | ||
71 | #define DNS_QUESTION_FOREACH(key, q) _DNS_QUESTION_FOREACH(UNIQ, key, q) |