src/resolve/resolved-def.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <inttypes.h>
   5
   6 #include "time-util.h"
   7
   8 /* Input + Output: The various protocols we can use */
   9 #define SD_RESOLVED_DNS             (UINT64_C(1) << 0)
  10 #define SD_RESOLVED_LLMNR_IPV4      (UINT64_C(1) << 1)
  11 #define SD_RESOLVED_LLMNR_IPV6      (UINT64_C(1) << 2)
  12 #define SD_RESOLVED_MDNS_IPV4       (UINT64_C(1) << 3)
  13 #define SD_RESOLVED_MDNS_IPV6       (UINT64_C(1) << 4)
  14
  15 /* Input: Don't follow CNAMEs/DNAMEs */
  16 #define SD_RESOLVED_NO_CNAME        (UINT64_C(1) << 5)
  17
  18 /* Input: When doing service (SRV) resolving, don't resolve associated mDNS-style TXT records */
  19 #define SD_RESOLVED_NO_TXT          (UINT64_C(1) << 6)
  20
  21 /* Input: When doing service (SRV) resolving, don't resolve A/AAA RR for included hostname */
  22 #define SD_RESOLVED_NO_ADDRESS      (UINT64_C(1) << 7)
  23
  24 /* Input: Don't apply search domain logic to request */
  25 #define SD_RESOLVED_NO_SEARCH       (UINT64_C(1) << 8)
  26
  27 /* Output: Result is authenticated */
  28 #define SD_RESOLVED_AUTHENTICATED   (UINT64_C(1) << 9)
  29
  30 /* Input: Don't DNSSEC validate request */
  31 #define SD_RESOLVED_NO_VALIDATE     (UINT64_C(1) << 10)
  32
  33 /* Input: Don't answer request from locally synthesized records (which includes /etc/hosts) */
  34 #define SD_RESOLVED_NO_SYNTHESIZE   (UINT64_C(1) << 11)
  35
  36 /* Input: Don't answer request from cache */
  37 #define SD_RESOLVED_NO_CACHE        (UINT64_C(1) << 12)
  38
  39 /* Input: Don't answer request from locally registered public LLMNR/mDNS RRs */
  40 #define SD_RESOLVED_NO_ZONE         (UINT64_C(1) << 13)
  41
  42 /* Input: Don't answer request from locally configured trust anchors. */
  43 #define SD_RESOLVED_NO_TRUST_ANCHOR (UINT64_C(1) << 14)
  44
  45 /* Input: Don't go to network for this request */
  46 #define SD_RESOLVED_NO_NETWORK      (UINT64_C(1) << 15)
  47
  48 /* Input: Require that request is answered from a "primary" answer, i.e. not from RRs acquired as
  49  * side-effect of a previous transaction */
  50 #define SD_RESOLVED_REQUIRE_PRIMARY (UINT64_C(1) << 16)
  51
  52 /* Input: If reply is answered from cache, the TTLs will be adjusted by age of cache entry */
  53 #define SD_RESOLVED_CLAMP_TTL       (UINT64_C(1) << 17)
  54
  55 /* Output: Result was only sent via encrypted channels, or never left this system */
  56 #define SD_RESOLVED_CONFIDENTIAL    (UINT64_C(1) << 18)
  57
  58 /* Output: Result was (at least partially) synthesized locally */
  59 #define SD_RESOLVED_SYNTHETIC       (UINT64_C(1) << 19)
  60
  61 /* Output: Result was (at least partially) answered from cache */
  62 #define SD_RESOLVED_FROM_CACHE      (UINT64_C(1) << 20)
  63
  64 /* Output: Result was (at least partially) answered from local zone */
  65 #define SD_RESOLVED_FROM_ZONE       (UINT64_C(1) << 21)
  66
  67 /* Output: Result was (at least partially) answered from trust anchor */
  68 #define SD_RESOLVED_FROM_TRUST_ANCHOR (UINT64_C(1) << 22)
  69
  70 /* Output: Result was (at least partially) answered from network */
  71 #define SD_RESOLVED_FROM_NETWORK    (UINT64_C(1) << 23)
  72
  73 /* Input: Don't answer request with stale data */
  74 #define SD_RESOLVED_NO_STALE        (UINT64_C(1) << 24)
  75
  76 /* Input: Allow single-label lookups to Internet DNS servers */
  77 #define SD_RESOLVED_RELAX_SINGLE_LABEL          \
  78                                     (UINT64_C(1) << 25)
  79
  80 #define SD_RESOLVED_LLMNR           (SD_RESOLVED_LLMNR_IPV4|SD_RESOLVED_LLMNR_IPV6)
  81 #define SD_RESOLVED_MDNS            (SD_RESOLVED_MDNS_IPV4|SD_RESOLVED_MDNS_IPV6)
  82 #define SD_RESOLVED_PROTOCOLS_ALL   (SD_RESOLVED_MDNS|SD_RESOLVED_LLMNR|SD_RESOLVED_DNS)
  83
  84 #define SD_RESOLVED_FROM_MASK       (SD_RESOLVED_FROM_CACHE|SD_RESOLVED_FROM_ZONE|SD_RESOLVED_FROM_TRUST_ANCHOR|SD_RESOLVED_FROM_NETWORK)
  85
  86 #define SD_RESOLVED_QUERY_TIMEOUT_USEC (120 * USEC_PER_SEC)