Branch data     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                 :          0 : static inline bool dns_question_isempty(DnsQuestion *q) {
      43                 :          0 :         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)