Line data    Source code

       1             : /* SPDX-License-Identifier: LGPL-2.1+ */
       2             : #pragma once
       3             : 
       4             : typedef struct DnsQuestion DnsQuestion;
       5             : 
       6             : #include "macro.h"
       7             : #include "resolved-dns-rr.h"
       8             : 
       9             : /* A simple array of resource keys */
      10             : 
      11             : struct DnsQuestion {
      12             :         unsigned n_ref;
      13             :         size_t n_keys, n_allocated;
      14             :         DnsResourceKey* keys[0];
      15             : };
      16             : 
      17             : DnsQuestion *dns_question_new(size_t n);
      18             : DnsQuestion *dns_question_ref(DnsQuestion *q);
      19             : DnsQuestion *dns_question_unref(DnsQuestion *q);
      20             : 
      21             : int dns_question_new_address(DnsQuestion **ret, int family, const char *name, bool convert_idna);
      22             : int dns_question_new_reverse(DnsQuestion **ret, int family, const union in_addr_union *a);
      23             : int dns_question_new_service(DnsQuestion **ret, const char *service, const char *type, const char *domain, bool with_txt, bool convert_idna);
      24             : 
      25             : int dns_question_add_raw(DnsQuestion *q, DnsResourceKey *key);
      26             : int dns_question_add(DnsQuestion *q, DnsResourceKey *key);
      27             : 
      28             : int dns_question_matches_rr(DnsQuestion *q, DnsResourceRecord *rr, const char *search_domain);
      29             : int dns_question_matches_cname_or_dname(DnsQuestion *q, DnsResourceRecord *rr, const char* search_domain);
      30             : int dns_question_is_valid_for_query(DnsQuestion *q);
      31             : int dns_question_contains(DnsQuestion *a, const DnsResourceKey *k);
      32             : int dns_question_is_equal(DnsQuestion *a, DnsQuestion *b);
      33             : 
      34             : int dns_question_cname_redirect(DnsQuestion *q, const DnsResourceRecord *cname, DnsQuestion **ret);
      35             : 
      36             : const char *dns_question_first_name(DnsQuestion *q);
      37             : 
      38           0 : static inline size_t dns_question_size(DnsQuestion *q) {
      39           0 :         return q ? q->n_keys : 0;
      40             : }
      41             : 
      42             : static inline bool dns_question_isempty(DnsQuestion *q) {
      43             :         return dns_question_size(q) <= 0;
      44             : }
      45             : 
      46           0 : DEFINE_TRIVIAL_CLEANUP_FUNC(DnsQuestion*, dns_question_unref);
      47             : 
      48             : #define _DNS_QUESTION_FOREACH(u, key, q)                                \
      49             :         for (size_t UNIQ_T(i, u) = ({                                 \
      50             :                                 (key) = ((q) && (q)->n_keys > 0) ? (q)->keys[0] : NULL; \
      51             :                                 0;                                      \
      52             :                         });                                             \
      53             :              (q) && (UNIQ_T(i, u) < (q)->n_keys);                       \
      54             :              UNIQ_T(i, u)++, (key) = (UNIQ_T(i, u) < (q)->n_keys ? (q)->keys[UNIQ_T(i, u)] : NULL))
      55             : 
      56             : #define DNS_QUESTION_FOREACH(key, q) _DNS_QUESTION_FOREACH(UNIQ, key, q)