filtering: imp tests

Merge in DNS/adguard-home from home-imp-code to master

Squashed commit of the following:

commit 459297e189c55393bf0340dd51ec9608d3475e55
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 10 11:42:34 2023 +0300

    home: imp code

commit ab38e1e80fed7b24fe57d4afdc57b70608f65d73
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 10 11:01:23 2023 +0300

    all: lint script

commit 7df68b128bf32172ef2e3bf7116f4f72a97baa2b
Merge: bcb482714 db52f7a3a
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 10 10:59:40 2023 +0300

    Merge remote-tracking branch 'origin/master' into home-imp-code

commit bcb482714780da882e69c261be08511ea4f36f3b
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 13:48:27 2023 +0300

    all: lint script

commit 1c017f27715202ec1f40881f069a96f11f9822e8
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 13:45:25 2023 +0300

    all: lint script

commit ee3d427a7d6ee7e377e67c5eb99eebc7fb1e6acc
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 13:44:53 2023 +0300

    home: imp code

commit bc50430469123415216e60e178bd8e30fc229300
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 13:12:10 2023 +0300

    home: imp code

commit fc07e416aeab2612e68cf0e3f933aaed95931115
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 11:42:32 2023 +0300

    aghos: service precheck

commit a68480fd9c4cd6f3c89210bee6917c53074f7a82
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Thu May 4 11:07:05 2023 +0300

    home: imp code

commit 61b743a340ac1564c48212452c7a9acd1808d352
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 17:17:21 2023 +0300

    all: lint script

commit c6fe620510c4af5b65456e90cb3424831334e004
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 17:16:37 2023 +0300

    home: imp code

commit 4b2fb47ea9c932054ccc72b1fd1d11793c93e39c
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 16:55:44 2023 +0300

    home: imp code

commit 63df3e2ab58482920a074cfd5f4188e49a0f8448
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 16:25:38 2023 +0300

    home: imp code

commit c7f1502f976482c2891e0c64426218b549585e83
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 15:54:30 2023 +0300

    home: imp code

commit c64cdaf1c82495bb70d9cdcaf7be9eeee9a7c773
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 14:35:04 2023 +0300

    home: imp code

commit a50436e040b3a064ef51d5f936b879fe8de72d41
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 14:24:02 2023 +0300

    home: imp code

commit 2b66464f472df732ea27cbbe5ac5c673a13bc14b
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 14:11:53 2023 +0300

    home: imp code

commit 713ce2963c210887faa0a06e41e01e4ebbf96894
Author: Dimitry Kolyshev <dkolyshev@adguard.com>
Date:   Wed May 3 14:10:54 2023 +0300

    home: imp code

.gitignore

@@ -21,7 +21,6 @@
 /snapcraft_login
 AdGuardHome*
 coverage.txt
-leases.db
 node_modules/
 
 !/build/gitkeep

CHANGELOG.md

@@ -14,17 +14,79 @@ and this project adheres to
 <!--
 ## [v0.108.0] - TBA
 
-## [v0.107.28] - 2023-04-12 (APPROX.)
+## [v0.107.30] - 2023-04-26 (APPROX.)
 
-See also the [v0.107.28 GitHub milestone][ms-v0.107.28].
+See also the [v0.107.30 GitHub milestone][ms-v0.107.30].
 
-[ms-v0.107.28]: https://github.com/AdguardTeam/AdGuardHome/milestone/64?closed=1
+[ms-v0.107.30]: https://github.com/AdguardTeam/AdGuardHome/milestone/66?closed=1
 
 NOTE: Add new changes BELOW THIS COMMENT.
 -->
 
+### Fixed
+
+- Unquoted IPv6 bind hosts with trailing colons erroneously considered
+  unspecified addresses are now properly validated ([#5752]).
+
+  **NOTE:** the Docker healthcheck script now also doesn't interpret the `""`
+  value as unspecified address.
+- Incorrect `Content-Type` header value in `POST /control/version.json` and `GET
+  /control/dhcp/interfaces` HTTP APIs ([#5716]).
+- Provided bootstrap servers are now used to resolve the hostnames of plain
+  UDP/TCP upstream servers.
+
+[#5716]: https://github.com/AdguardTeam/AdGuardHome/issues/5716
+
+<!--
+NOTE: Add new changes ABOVE THIS COMMENT.
+-->
+
+
+
+## [v0.107.29] - 2023-04-18
+
+See also the [v0.107.29 GitHub milestone][ms-v0.107.29].
+
 ### Added
 
+- The ability to exclude client activity from the query log or statistics by
+  editing client's settings on the respective page in the UI ([#1717], [#4299]).
+
+### Changed
+
+- Stored DHCP leases moved from `leases.db` to `data/leases.json`.  The file
+  format has also been optimized.
+
+### Fixed
+
+- The `github.com/mdlayher/raw` dependency has been temporarily returned to
+  support raw connections on Darwin ([#5712]).
+- Incorrect recording of blocked results as “Blocked by CNAME or IP” in the
+  query log ([#5725]).
+- All Safe Search services being unchecked by default.
+- Panic when a DNSCrypt stamp is invalid ([#5721]).
+
+[#5712]: https://github.com/AdguardTeam/AdGuardHome/issues/5712
+[#5721]: https://github.com/AdguardTeam/AdGuardHome/issues/5721
+[#5725]: https://github.com/AdguardTeam/AdGuardHome/issues/5725
+[#5752]: https://github.com/AdguardTeam/AdGuardHome/issues/5752
+
+[ms-v0.107.29]: https://github.com/AdguardTeam/AdGuardHome/milestone/65?closed=1
+
+
+
+## [v0.107.28] - 2023-04-12
+
+See also the [v0.107.28 GitHub milestone][ms-v0.107.28].
+
+### Added
+
+- The ability to exclude client activity from the query log or statistics by
+  using the new properties `ignore_querylog` and `ignore_statistics` of the
+  items of the `clients.persistent` array ([#1717], [#4299]).  The UI changes
+  are coming in the upcoming releases.
+- Better profiling information when `debug_pprof` is set to `true`.
+- IPv6 support in Safe Search for some services.
 - The ability to make bootstrap DNS lookups prefer IPv6 addresses to IPv4 ones
   using the new `dns.bootstrap_prefer_ipv6` configuration file property
   ([#4262]).
@@ -32,20 +94,20 @@ NOTE: Add new changes BELOW THIS COMMENT.
 - The new HTTP API `POST /control/protection`, that updates protection state
   and adds an optional pause duration ([#1333]).  The format of request body
   is described in `openapi/openapi.yaml`.  The duration of this pause could
-  also be set with the config field `protection_disabled_until` in `dns`
-  section of the YAML configuration file.
+  also be set with the property `protection_disabled_until` in the `dns` object
+  of the YAML configuration file.
 - The ability to create a static DHCP lease from a dynamic one more easily
   ([#3459]).
 - Two new HTTP APIs, `PUT /control/stats/config/update` and `GET
   control/stats/config`, which can be used to set and receive the query log
-  configuration.  See openapi/openapi.yaml for the full description.
+  configuration.  See `openapi/openapi.yaml` for the full description.
 - Two new HTTP APIs, `PUT /control/querylog/config/update` and `GET
   control/querylog/config`, which can be used to set and receive the statistics
-  configuration.  See openapi/openapi.yaml for the full description.
+  configuration.  See `openapi/openapi.yaml` for the full description.
 - The ability to set custom IP for EDNS Client Subnet by using the DNS-server
   configuration section on the DNS settings page in the UI ([#1472]).
-- The ability to manage safesearch for each service by using the new
-  `safe_search` field ([#1163]).
+- The ability to manage Safe Search for each service by using the new
+  `safe_search` property ([#1163]).
 
 ### Changed
 
@@ -74,9 +136,9 @@ In this release, the schema version has changed from 17 to 20.
 
   To rollback this change, convert the property back into days and change the
   `schema_version` back to `19`.
-- The `dns.safesearch_enabled` field has been replaced with `safe_search`
+- The `dns.safesearch_enabled` property has been replaced with `safe_search`
   object containing per-service settings.
-- The `clients.persistent.safesearch_enabled` field has been replaced with
+- The `clients.persistent.safesearch_enabled` property has been replaced with
   `safe_search` object containing per-service settings.
 
   ```yaml
@@ -95,7 +157,7 @@ In this release, the schema version has changed from 17 to 20.
   ```
 
   To rollback this change, move the value of `dns.safe_search.enabled` into the
-  `dns.safesearch_enabled`, then remove `dns.safe_search` field.  Do the same
+  `dns.safesearch_enabled`, then remove `dns.safe_search` property.  Do the same
   client's specific `clients.persistent.safesearch` and then change the
   `schema_version` back to `17`.
 
@@ -105,7 +167,7 @@ In this release, the schema version has changed from 17 to 20.
   `PUT /control/safesearch/settings` API.
 - The `POST /control/safesearch/disable` HTTP API is deprecated.  Use the new
   `PUT /control/safesearch/settings` API
-- The `safesearch_enabled` field is deprecated in the following HTTP APIs:
+- The `safesearch_enabled` property is deprecated in the following HTTP APIs:
   - `GET /control/clients`;
   - `POST /control/clients/add`;
   - `POST /control/clients/update`;
@@ -116,17 +178,21 @@ In this release, the schema version has changed from 17 to 20.
   /control/stats/config` API instead.
 
   **NOTE:** If interval is custom then it will be equal to `90` days for
-  compatibility reasons.  See openapi/openapi.yaml and `openapi/CHANGELOG.md`.
+  compatibility reasons.  See `openapi/openapi.yaml` and `openapi/CHANGELOG.md`.
 - The `POST /control/stats_config` HTTP API; use the new `PUT
   /control/stats/config/update` API instead.
 - The `GET /control/querylog_info` HTTP API; use the new `GET
   /control/querylog/config` API instead.
 
   **NOTE:** If interval is custom then it will be equal to `90` days for
-  compatibility reasons.  See openapi/openapi.yaml and `openapi/CHANGELOG.md`.
+  compatibility reasons.  See `openapi/openapi.yaml` and `openapi/CHANGELOG.md`.
 - The `POST /control/querylog_config` HTTP API; use the new `PUT
   /control/querylog/config/update` API instead.
 
+### Fixed
+
+- Logging of the client's IP address after failed login attempts ([#5701]).
+
 [#1163]: https://github.com/AdguardTeam/AdGuardHome/issues/1163
 [#1333]: https://github.com/AdguardTeam/AdGuardHome/issues/1333
 [#1472]: https://github.com/AdguardTeam/AdGuardHome/issues/1472
@@ -134,12 +200,11 @@ In this release, the schema version has changed from 17 to 20.
 [#3459]: https://github.com/AdguardTeam/AdGuardHome/issues/3459
 [#4262]: https://github.com/AdguardTeam/AdGuardHome/issues/4262
 [#5567]: https://github.com/AdguardTeam/AdGuardHome/issues/5567
+[#5701]: https://github.com/AdguardTeam/AdGuardHome/issues/5701
 
-[rfc6761]:   https://www.rfc-editor.org/rfc/rfc6761
+[ms-v0.107.28]: https://github.com/AdguardTeam/AdGuardHome/milestone/64?closed=1
+[rfc6761]:      https://www.rfc-editor.org/rfc/rfc6761
 
-<!--
-NOTE: Add new changes ABOVE THIS COMMENT.
--->
 
 
 
@@ -183,7 +248,7 @@ See also the [v0.107.26 GitHub milestone][ms-v0.107.26].
 
 - The ability to set custom IP for EDNS Client Subnet by using the new
   `dns.edns_client_subnet.use_custom` and `dns.edns_client_subnet.custom_ip`
-  fields ([#1472]).  The UI changes are coming in the upcoming releases.
+  properties ([#1472]).  The UI changes are coming in the upcoming releases.
 - The ability to use `dnstype` rules in the disallowed domains list ([#5468]).
   This allows dropping requests based on their question types.
 
@@ -211,7 +276,7 @@ See also the [v0.107.26 GitHub milestone][ms-v0.107.26].
   ```
 
   To rollback this change, move the value of `dns.edns_client_subnet.enabled`
-  into the `dns.edns_client_subnet`, remove the fields
+  into the `dns.edns_client_subnet`, remove the properties
   `dns.edns_client_subnet.enabled`, `dns.edns_client_subnet.use_custom`,
   `dns.edns_client_subnet.custom_ip`, and change the `schema_version` back to
   `16`.
@@ -271,11 +336,11 @@ See also the [v0.107.24 GitHub milestone][ms-v0.107.24].
 ### Added
 
 - The ability to disable statistics by using the new `statistics.enabled`
-  field.  Previously it was necessary to set the `statistics_interval` to 0,
+  property.  Previously it was necessary to set the `statistics_interval` to 0,
   losing the previous value ([#1717], [#4299]).
 - The ability to exclude domain names from the query log or statistics by using
-  the new `querylog.ignored` or `statistics.ignored` fields ([#1717], [#4299]).
-  The UI changes are coming in the upcoming releases.
+  the new `querylog.ignored` or `statistics.ignored` properties ([#1717],
+  [#4299]).  The UI changes are coming in the upcoming releases.
 
 ### Changed
 
@@ -300,7 +365,7 @@ In this release, the schema version has changed from 14 to 16.
 
   To rollback this change, move the property back into the `dns` object and
   change the `schema_version` back to `15`.
-- The fields `dns.querylog_enabled`, `dns.querylog_file_enabled`,
+- The properties `dns.querylog_enabled`, `dns.querylog_file_enabled`,
   `dns.querylog_interval`, and `dns.querylog_size_memory` have been moved to the
   new `querylog` object.
 
@@ -358,8 +423,8 @@ See also the [v0.107.23 GitHub milestone][ms-v0.107.23].
 ### Added
 
 - DNS64 support ([#5117]).  The function may be enabled with new `use_dns64`
-  field under `dns` object in the configuration along with `dns64_prefixes`, the
-  set of exclusion prefixes to filter AAAA responses.  The Well-Known Prefix
+  property under `dns` object in the configuration along with `dns64_prefixes`,
+  the set of exclusion prefixes to filter AAAA responses.  The Well-Known Prefix
   (`64:ff9b::/96`) is used if no custom prefixes are specified.
 
 ### Fixed
@@ -1017,7 +1082,7 @@ In this release, the schema version has changed from 12 to 14.
       hosts: true
   ```
 
-  The value for `clients.runtime_sources.rdns` field is taken from
+  The value for `clients.runtime_sources.rdns` property is taken from
   `dns.resolve_clients` property.  To rollback this change, remove the
   `runtime_sources` property, move the contents of `persistent` into the
   `clients` itself, the value of `clients.runtime_sources.rdns` into the
@@ -1267,7 +1332,7 @@ See also the [v0.107.0 GitHub milestone][ms-v0.107.0].
   log entries concerning cached responses won't include that information.
 - Finnish and Ukrainian localizations.
 - Setting the timeout for IP address pinging in the "Fastest IP address" mode
-  through the new `fastest_timeout` field in the configuration file ([#1992]).
+  through the new `fastest_timeout` property in the configuration file ([#1992]).
 - Static IP address detection on FreeBSD ([#3289]).
 - Optimistic cache ([#2145]).
 - New possible value of `6h` for `querylog_interval` property ([#2504]).
@@ -1683,7 +1748,7 @@ See also the [v0.105.2 GitHub milestone][ms-v0.105.2].
 - Inconsistent responses for messages with EDNS0 and AD when DNS caching is
   enabled ([#2600]).
 - Incomplete OpenWrt detection ([#2757]).
-- DHCP lease's `expired` field incorrect time format ([#2692]).
+- DHCP lease's `expired` property incorrect time format ([#2692]).
 - Incomplete DNS upstreams validation ([#2674]).
 - Wrong parsing of DHCP options of the `ip` type ([#2688]).
 
@@ -1720,8 +1785,8 @@ See also the [v0.105.1 GitHub milestone][ms-v0.105.1].
   the machine has a static IP.
 - Optical issue on custom rules ([#2641]).
 - Occasional crashes during startup.
-- The field `"range_start"` in the `GET /control/dhcp/status` HTTP API response
-  is now correctly named again ([#2678]).
+- The property `"range_start"` in the `GET /control/dhcp/status` HTTP API
+  response is now correctly named again ([#2678]).
 - DHCPv6 server's `ra_slaac_only` and `ra_allow_slaac` properties aren't reset
   to `false` on update anymore ([#2653]).
 - The `Vary` header is now added along with `Access-Control-Allow-Origin` to
@@ -1791,7 +1856,7 @@ See also the [v0.105.0 GitHub milestone][ms-v0.105.0].
 
 - Go 1.14 support.  v0.106.0 will require at least Go 1.15 to build.
 - The `darwin/386` port.  It will be removed in v0.106.0.
-- The `"rule"` and `"filter_id"` fields in `GET /filtering/check_host` and
+- The `"rule"` and `"filter_id"` property in `GET /filtering/check_host` and
   `GET /querylog` responses.  They will be removed in v0.106.0 ([#2102]).
 
 ### Fixed
@@ -1899,11 +1964,13 @@ See also the [v0.104.2 GitHub milestone][ms-v0.104.2].
 
 
 <!--
-[Unreleased]: https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.28...HEAD
-[v0.107.28]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.27...v0.107.28
+[Unreleased]: https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.30...HEAD
+[v0.107.30]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.29...v0.107.30
 -->
 
-[Unreleased]: https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.27...HEAD
+[Unreleased]: https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.29...HEAD
+[v0.107.29]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.28...v0.107.29
+[v0.107.28]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.27...v0.107.28
 [v0.107.27]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.26...v0.107.27
 [v0.107.26]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.25...v0.107.26
 [v0.107.25]:  https://github.com/AdguardTeam/AdGuardHome/compare/v0.107.24...v0.107.25

client/dev.eslintrc

@@ -3,4 +3,4 @@
     "rules": {
         "no-debugger":"warn",
     }
-}
+}

client/public/index.html

@@ -12,11 +12,40 @@
         <link rel="mask-icon" href="assets/safari-pinned-tab.svg" color="#67B279">
         <link rel="icon" type="image/png" href="assets/favicon.png" sizes="48x48">
         <title>AdGuard Home</title>
+        <style>
+            .wrapper {
+                display: flex;
+                flex-direction: column;
+                align-items: center;
+                justify-content: center;
+                min-height: 100vh;
+            }
+
+            [data-theme="DARK"] .wrapper {
+                background-color: #f5f7fb;
+            }
+        </style>
     </head>
     <body>
         <noscript>
             You need to enable JavaScript to run this app.
         </noscript>
-        <div id="root"></div>
+        <div id="root">
+            <div class="wrapper"></div>
+        </div>
+        <script>
+            (function() {
+                var LOCAL_STORAGE_THEME_KEY = 'account_theme';
+                var theme = 'light';
+
+                try {
+                    theme = window.localStorage.getItem(LOCAL_STORAGE_THEME_KEY);
+                } catch(e) {
+                    console.error(e);
+                }
+
+                document.body.dataset.theme = theme;
+            })();
+        </script>
     </body>
 </html>

client/public/login.html

@@ -17,5 +17,12 @@
             You need to enable JavaScript to run this app.
         </noscript>
         <div id="root"></div>
+        <script>
+            (function() {
+                var prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+                var currentTheme = prefersDark ? 'dark' : 'light';
+                document.body.dataset.theme = currentTheme;
+            })();
+        </script>
     </body>
 </html>

client/src/__locales/ar.json

@@ -635,5 +635,6 @@
     "parental_control": "الرقابة الابويه",
     "safe_browsing": "تصفح آمن",
     "served_from_cache": "{{value}} <i>(يتم تقديمه من ذاكرة التخزين المؤقت)</i>",
-    "form_error_password_length": "يجب أن تتكون كلمة المرور من {{value}} من الأحرف على الأقل"
+    "form_error_password_length": "يجب أن تتكون كلمة المرور من {{value}} من الأحرف على الأقل",
+    "protection_section_label": "الحماية"
 }

client/src/__locales/be.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0>Заўвага:</0> Ананімізацыя IP уключана. Вы можаце адключыць яе ў <1>Агульных наладах</1>.",
     "confirm_dns_cache_clear": "Вы ўпэўнены, што хочаце ачысціць кэш DNS?",
     "cache_cleared": "Кэш DNS паспяхова ачышчаны",
-    "clear_cache": "Ачысціць кэш"
+    "clear_cache": "Ачысціць кэш",
+    "protection_section_label": "Ахова"
 }

client/src/__locales/cs.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Protokol dotazů byl úspěšně vymazán",
     "query_log_updated": "Protokol dotazů byl úspěšně aktualizován",
     "query_log_clear": "Vymazat protokoly dotazů",
-    "query_log_retention": "Uchování protokolů dotazů",
+    "query_log_retention": "Rotace protokolů dotazů",
     "query_log_enable": "Povolit protokol",
     "query_log_configuration": "Konfigurace protokolů",
     "query_log_disabled": "Protokol dotazu je zakázán a lze jej nakonfigurovat v <0>nastavení</0>",
     "query_log_strict_search": "Pro striktní vyhledávání použijte dvojité uvozovky",
-    "query_log_retention_confirm": "Opravdu chcete změnit uchovávání protokolu dotazů? Pokud snížíte hodnotu intervalu, některá data budou ztracena",
+    "query_log_retention_confirm": "Opravdu chcete změnit rotaci protokolu dotazů? Pokud snížíte hodnotu intervalu, některá data budou ztracena",
     "anonymize_client_ip": "Anonymizovat IP klienta",
     "anonymize_client_ip_desc": "Neukládat úplnou IP adresu klienta do protokolů a statistik",
     "dns_config": "Konfigurace DNS serveru",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Vypnout ochranu na {{count}} hod.",
     "disable_notify_for_hours_plural": "Vypnout ochranu na {{count}} hod.",
     "disable_notify_until_tomorrow": "Vypnout ochranu do zítřka",
-    "enable_protection_timer": "Ochrana bude zapnuta za {{time}}"
+    "enable_protection_timer": "Ochrana bude zapnuta za {{time}}",
+    "custom_retention_input": "Zadejte retenci v hodinách",
+    "custom_rotation_input": "Zadejte rotaci v hodinách",
+    "protection_section_label": "Ochrana",
+    "log_and_stats_section_label": "Protokol dotazů a statistiky",
+    "ignore_query_log": "Ignorovat tohoto klienta v protokolu dotazů",
+    "ignore_statistics": "Ignorovat tohoto klienta ve statistikách"
 }

client/src/__locales/da.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Forespørgselsloggen er blevet ryddet",
     "query_log_updated": "Forespørgselsloggen er blevet opdateret",
     "query_log_clear": "Ryd forespørgselslogfiler",
-    "query_log_retention": "Opbevar forespørgselslogger i",
+    "query_log_retention": "Rotation af forespørgselslog",
     "query_log_enable": "Aktivér log",
     "query_log_configuration": "Opsætning af logger",
     "query_log_disabled": "Forespørgselsloggen er deaktiveret og kan opsættes i <0>indstillingerne</0>",
     "query_log_strict_search": "Brug dobbelt anførselstegn til stringent søgning",
-    "query_log_retention_confirm": "Sikker på, at du vil ændre forespørgselsloggens opbevaringperiode? Mindskes intervalværdien, mistes data",
+    "query_log_retention_confirm": "Sikker på, at forespørgselsloggens rotationstid skal ændres? Mindskes intervalværdien, mistes nogle data",
     "anonymize_client_ip": "Anonymisér klient-IP",
     "anonymize_client_ip_desc": "Gem ikke fuld klient IP-adresse i logfiler eller statistikker",
     "dns_config": "DNS-serveropsætning",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Deaktivere beskyttelse i {{count}} time",
     "disable_notify_for_hours_plural": "Deaktivere beskyttelse i {{count}} timer",
     "disable_notify_until_tomorrow": "Deaktiver beskyttelse indtil i morgen",
-    "enable_protection_timer": "Beskyttelse deaktiveres om {{time}}"
+    "enable_protection_timer": "Beskyttelse deaktiveres om {{time}}",
+    "custom_retention_input": "Angiv opbevaringstid i timer",
+    "custom_rotation_input": "Angiv rotationstid i timer",
+    "protection_section_label": "Beskyttelse",
+    "log_and_stats_section_label": "Forespørgselslog og statistik",
+    "ignore_query_log": "Ignorér denne klient i forespørgselslog",
+    "ignore_statistics": "Ignorér denne klient i statistik"
 }

client/src/__locales/de.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Das Abfrageprotokoll wurde erfolgreich gelöscht",
     "query_log_updated": "Das Abfrageprotokoll wurde erfolgreich aktualisiert",
     "query_log_clear": "Abfrageprotokolle leeren",
-    "query_log_retention": "Abfrageprotokolle aufbewahren",
+    "query_log_retention": "Rotation der Abfrageprotokolle",
     "query_log_enable": "Protokoll aktivieren",
     "query_log_configuration": "Konfiguration der Protokolle",
     "query_log_disabled": "Das Abfrageprotokoll ist deaktiviert und kann in den <0>Einstellungen</0> konfiguriert werden.",
     "query_log_strict_search": "Doppelte Anführungszeichen für die strikte Suche verwenden",
-    "query_log_retention_confirm": "Möchten Sie die Aufbewahrung des Abfrageprotokolls wirklich ändern? Wenn Sie den Zeitabstand verringern, gehen einige Daten verloren.",
+    "query_log_retention_confirm": "Möchten Sie die Abfrageprotokollrotation wirklich ändern? Wenn Sie den Intervallwert verringern, gehen einige Daten verloren",
     "anonymize_client_ip": "Client-IP anonymisieren",
     "anonymize_client_ip_desc": "Vollständige IP-Adresse des Clients nicht in Protokollen und Statistiken speichern",
     "dns_config": "DNS-Serverkonfiguration",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Schutz für {{count}} Stunde deaktivieren",
     "disable_notify_for_hours_plural": "Schutz für {{count}} Stunden deaktivieren",
     "disable_notify_until_tomorrow": "Schutz bis morgen deaktivieren",
-    "enable_protection_timer": "Der Schutz wird in {{time}} wieder aktiviert"
+    "enable_protection_timer": "Der Schutz wird in {{time}} wieder aktiviert",
+    "custom_retention_input": "Rückhaltezeit in Stunden eingeben",
+    "custom_rotation_input": "Rotation in Stunden eingeben",
+    "protection_section_label": "Schutz",
+    "log_and_stats_section_label": "Abfrageprotokoll und Statistik",
+    "ignore_query_log": "Diesen Client im Abfrageprotokoll ignorieren",
+    "ignore_statistics": "Diesen Client in der Statistik ignorieren"
 }

client/src/__locales/en.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "The query log has been successfully cleared",
     "query_log_updated": "The query log has been successfully updated",
     "query_log_clear": "Clear query logs",
-    "query_log_retention": "Query logs retention",
+    "query_log_retention": "Query logs rotation",
     "query_log_enable": "Enable log",
     "query_log_configuration": "Logs configuration",
     "query_log_disabled": "The query log is disabled and can be configured in the <0>settings</0>",
     "query_log_strict_search": "Use double quotes for strict search",
-    "query_log_retention_confirm": "Are you sure you want to change query log retention? If you decrease the interval value, some data will be lost",
+    "query_log_retention_confirm": "Are you sure you want to change query log rotation? If you decrease the interval value, some data will be lost",
     "anonymize_client_ip": "Anonymize client IP",
     "anonymize_client_ip_desc": "Don't save the client's full IP address to logs or statistics",
     "dns_config": "DNS server configuration",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Disable protection for {{count}} hour",
     "disable_notify_for_hours_plural": "Disable protection for {{count}} hours",
     "disable_notify_until_tomorrow": "Disable protection until tomorrow",
-    "enable_protection_timer": "Protection will be enabled in {{time}}"
+    "enable_protection_timer": "Protection will be enabled in {{time}}",
+    "custom_retention_input": "Enter retention in hours",
+    "custom_rotation_input": "Enter rotation in hours",
+    "protection_section_label": "Protection",
+    "log_and_stats_section_label": "Query log and statistics",
+    "ignore_query_log": "Ignore this client in query log",
+    "ignore_statistics": "Ignore this client in statistics"
 }

client/src/__locales/es.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "El registro de consultas se ha borrado correctamente",
     "query_log_updated": "El registro de consultas se ha actualizado correctamente",
     "query_log_clear": "Borrar registros de consultas",
-    "query_log_retention": "Retención de registros de consultas",
+    "query_log_retention": "Rotanción de registros de consultas",
     "query_log_enable": "Habilitar registro",
     "query_log_configuration": "Configuración de registros",
     "query_log_disabled": "El registro de consultas está deshabilitado y se puede configurar en la <0>configuración</0>",
     "query_log_strict_search": "Usar comillas dobles para una búsqueda estricta",
-    "query_log_retention_confirm": "¿Estás seguro de que deseas cambiar la retención del registro de consultas? Si disminuye el valor del intervalo, se perderán algunos datos",
+    "query_log_retention_confirm": "¿Está seguro de que deseas cambiar la rotación del registro de consultas? Si reduces el valor del intervalo, se perderán algunos datos",
     "anonymize_client_ip": "Anonimizar IP del cliente",
     "anonymize_client_ip_desc": "No guarda la dirección IP completa del cliente en registros o estadísticas",
     "dns_config": "Configuración del servidor DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Desactivar la protección por {{count}} hora",
     "disable_notify_for_hours_plural": "Desactivar la protección por {{count}} horas",
     "disable_notify_until_tomorrow": "Desactivar la protección hasta mañana",
-    "enable_protection_timer": "La protección se activará en {{time}}"
+    "enable_protection_timer": "La protección se activará en {{time}}",
+    "custom_retention_input": "Ingresa la retención en horas",
+    "custom_rotation_input": "Ingresa la rotación en horas",
+    "protection_section_label": "Protección",
+    "log_and_stats_section_label": "Registro de consultas y estadísticas",
+    "ignore_query_log": "Ignorar este cliente en el registro de consultas",
+    "ignore_statistics": "Ignorar este cliente en las estadísticas"
 }

client/src/__locales/fi.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Pyyntöhistorian tyhjennys onnistui",
     "query_log_updated": "Pyyntöhistorian päivitys onnistui",
     "query_log_clear": "Tyhjennä pyyntöhistoria",
-    "query_log_retention": "Pyyntöhistorian säilytys",
+    "query_log_retention": "Kyselylokien kierto",
     "query_log_enable": "Käytä historiaa",
     "query_log_configuration": "Historian määritys",
     "query_log_disabled": "Pyyntöhistoria ei ole käytössä. Voit ottaa sen käyttöön <0>asetuksissa</0>",
     "query_log_strict_search": "Käytä tarkalle haulle lainausmerkkejä",
-    "query_log_retention_confirm": "Haluatko varmasti muuttaa pyyntöhistoriasi säilytysaikaa? Jos lyhennät aikaa, joitakin tietoja menetetään",
+    "query_log_retention_confirm": "Haluatko varmasti muuttaa kyselylokin kiertoa? Jos pienennät intervalliarvoa, osa tiedoista menetetään",
     "anonymize_client_ip": "Piilota päätelaitteen IP-osoite",
     "anonymize_client_ip_desc": "Älä tallenna päätelaitteen täydellistä IP-osoitetta historiaan ja tilastoihin.",
     "dns_config": "DNS-palvelimen määritys",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Poista suojaus käytöstä {{count}} tunniksi",
     "disable_notify_for_hours_plural": "Poista suojaus käytöstä {{count}} tunniksi",
     "disable_notify_until_tomorrow": "Poista suojaus käytöstä huomiseen asti",
-    "enable_protection_timer": "Suojaus otetaan käyttöön {{time}} kuluttua"
+    "enable_protection_timer": "Suojaus otetaan käyttöön {{time}} kuluttua",
+    "custom_retention_input": "Syötä säilytysaika tunteina",
+    "custom_rotation_input": "Syötä uudistusaika tunteina",
+    "protection_section_label": "Suojaus",
+    "log_and_stats_section_label": "Kyselyhistoria ja tilastot",
+    "ignore_query_log": "Älä huomioi tätä päätettä kyselyhistoriassa",
+    "ignore_statistics": "Älä huomioi tätä päätettä tilastoissa"
 }

client/src/__locales/fr.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Le journal des requêtes a été effacé",
     "query_log_updated": "Le journal des requêtes a été mis à jour",
     "query_log_clear": "Effacer journal des requêtes",
-    "query_log_retention": "Rétention du journal des requêtes",
+    "query_log_retention": "Rotation des journaux de requêtes",
     "query_log_enable": "Activer le journal",
     "query_log_configuration": "Configuration du journal",
     "query_log_disabled": "Le journal des requêtes est désactivé et peut être configuré dans les <0>paramètres</0>",
     "query_log_strict_search": "Utilisez les doubles guillemets pour une recherche stricte",
-    "query_log_retention_confirm": "Êtes-vous sûr de vouloir modifier la rétention des journaux de requêtes ? Si vous diminuez la valeur de l'intervalle, certaines données seront perdues",
+    "query_log_retention_confirm": "Êtes-vous sûr de souhaiter modifier la rotation des journaux de requêtes ? Si vous diminuez la valeur de l'intervalle, certaines données seront perdues",
     "anonymize_client_ip": "Anonymiser l’IP du client",
     "anonymize_client_ip_desc": "Ne pas enregistrer l’adresse IP complète du client dans les journaux et statistiques",
     "dns_config": "Configuration du serveur DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Désactiver la protection pendant {{count}} heure",
     "disable_notify_for_hours_plural": "Désactiver la protection pendant {{count}} heures",
     "disable_notify_until_tomorrow": "Désactiver la protection jusqu'à demain",
-    "enable_protection_timer": "La protection sera activée dans {{time}}"
+    "enable_protection_timer": "La protection sera activée dans {{time}}",
+    "custom_retention_input": "Saisir la rétention en heures",
+    "custom_rotation_input": "Saisir la rotation en heures",
+    "protection_section_label": "Protection",
+    "log_and_stats_section_label": "Journal des requêtes et statistiques",
+    "ignore_query_log": "Ignorer ce client dans le journal des requêtes",
+    "ignore_statistics": "Ignorer ce client dans les statistiques"
 }

client/src/__locales/hr.json

@@ -167,6 +167,7 @@
     "enabled_parental_toast": "Omogućen roditeljski nadzor",
     "disabled_safe_search_toast": "Onemogućeno sigurno pretraživanje",
     "enabled_save_search_toast": "Omogućeno sigurno pretraživanje",
+    "updated_save_search_toast": "Ažurirane postavke sigurnog pretraživanja",
     "enabled_table_header": "Omogućeno",
     "name_table_header": "Naziv",
     "list_url_table_header": "URL popisa",
@@ -256,12 +257,12 @@
     "query_log_cleared": "Zapisnik upita je uspješno uklonjen",
     "query_log_updated": "Zapisnik upita je uspješno ažuriran",
     "query_log_clear": "Očisti zapisnik upita",
-    "query_log_retention": "Spremanje zapisnika upita",
+    "query_log_retention": "Rotacija dnevnika upita",
     "query_log_enable": "Omogući zapise",
     "query_log_configuration": "Postavke zapisa",
     "query_log_disabled": "Zapisnik upita je onemogućen i može se postaviti u <0>postavkama</0>",
     "query_log_strict_search": "Koristite dvostruke navodnike za strogo pretraživanje",
-    "query_log_retention_confirm": "Jeste li sigurni da želite promijeniti zadržavanje zapisnika upita? Ako smanjite vrijednost intervala, neki će podaci biti izgubljeni",
+    "query_log_retention_confirm": "Jeste li sigurni da želite promijeniti rotaciju dnevnika upita? Ako smanjite vrijednost intervala, neki će se podaci izgubiti",
     "anonymize_client_ip": "Anonimiraj IP klijenta",
     "anonymize_client_ip_desc": "Ne spremajte cijelu IP adresu klijenta u zapisnike i statistike",
     "dns_config": "DNS postavke poslužitelja",
@@ -290,6 +291,8 @@
     "rate_limit": "Ograničenje",
     "edns_enable": "Omogući podmrežu klijenta EDNS-a",
     "edns_cs_desc": "Dodajte opciju EDNS klijentske podmreže (ECS) uzvodnim zahtjevima i zabilježite vrijednosti koje su klijenti poslali u dnevnik upita.",
+    "edns_use_custom_ip": "Koristi prilagođeni IP za EDNS",
+    "edns_use_custom_ip_desc": "Dopusti korištenje prilagođenog IP-a za EDNS",
     "rate_limit_desc": "Broj zahtjeva u sekundi koji su dopušteni po jednom klijentu. Postavljanje na 0 znači neograničeno.",
     "blocking_ipv4_desc": "Povratna IP adresa za blokirane A zahtjeve",
     "blocking_ipv6_desc": "Povratna IP adresa za blokirane AAAA zahtjeve",
@@ -523,6 +526,10 @@
     "statistics_retention_confirm": "Jeste li sigurni da želite promijeniti zadržavanje statistike? Ako smanjite vrijednost intervala, neki će podaci biti izgubljeni",
     "statistics_cleared": "Statistika je uspješno uklonjenja",
     "statistics_enable": "Omogući statistiku",
+    "ignore_domains": "Zanemarene domene (odvojene novim retkom)",
+    "ignore_domains_title": "Zanemarene domene",
+    "ignore_domains_desc_stats": "Upiti za ove domene ne upisuju se u statistiku",
+    "ignore_domains_desc_query": "Upiti za te domene nisu zapisani u zapisnik upita",
     "interval_hours": "{{count}} sata/i",
     "interval_hours_plural": "{{count}} sata/i",
     "filters_configuration": "Postavke filtara",
@@ -642,5 +649,30 @@
     "anonymizer_notification": "<0>Napomena:</0>IP anonimizacija je omogućena. Možete ju onemogućiti u <1>općim postavkama</1>.",
     "confirm_dns_cache_clear": "Jeste li sigurni da želite očistiti DNS predmemoriju?",
     "cache_cleared": "DNS predmemorija je uspješno izbrisana",
-    "clear_cache": "Očisti predmemoriju"
+    "clear_cache": "Očisti predmemoriju",
+    "make_static": "Učini statičnim",
+    "theme_auto_desc": "Automatski (na temelju sheme boja vašeg uređaja)",
+    "theme_dark_desc": "Tamna tema",
+    "theme_light_desc": "Svijetla tema",
+    "disable_for_seconds": "Za {{count}} sekundi",
+    "disable_for_seconds_plural": "Za {{count}} sekundi",
+    "disable_for_minutes": "Za {{count}} minuta",
+    "disable_for_minutes_plural": "Za {{count}} minuta",
+    "disable_for_hours": "Za {{count}} sati",
+    "disable_for_hours_plural": "Za {{count}} sati",
+    "disable_until_tomorrow": "Do sutra",
+    "disable_notify_for_seconds": "Isključi zaštitu na {{count}} sekundi",
+    "disable_notify_for_seconds_plural": "Onemogući zaštitu na {{count}} sekundi",
+    "disable_notify_for_minutes": "Isključi zaštitu na {{count}} minuta",
+    "disable_notify_for_minutes_plural": "Isključi zaštitu na {{count}} minuta",
+    "disable_notify_for_hours": "Isključi zaštitu na {{count}} sati",
+    "disable_notify_for_hours_plural": "Isključi zaštitu na {{count}} sati",
+    "disable_notify_until_tomorrow": "Isključi zaštitu do sutra",
+    "enable_protection_timer": "Zaštita će biti omogućena u {{time}}",
+    "custom_retention_input": "Unesite zadržavanje u satima",
+    "custom_rotation_input": "Unesite rotaciju u satima",
+    "protection_section_label": "Zaštita",
+    "log_and_stats_section_label": "Zapisnik upita i statistika",
+    "ignore_query_log": "Zanemari ovog klijenta u zapisniku upita",
+    "ignore_statistics": "Ignorirajte ovog klijenta u statistici"
 }

client/src/__locales/hu.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0>Megjegyzés:</0> Az IP anonimizálás engedélyezve van. Az <1>Általános beállításoknál letilthatja</1> .",
     "confirm_dns_cache_clear": "Biztos benne, hogy törölni szeretné a DNS-gyorsítótárat?",
     "cache_cleared": "A DNS gyorsítótár sikeresen törlődött",
-    "clear_cache": "Gyorsítótár törlése"
+    "clear_cache": "Gyorsítótár törlése",
+    "protection_section_label": "Védelem"
 }

client/src/__locales/id.json

@@ -641,5 +641,6 @@
     "anonymizer_notification": "<0>Catatan:</0> Anonimisasi IP diaktifkan. Anda dapat menonaktifkannya di <1>Pengaturan umum</1> .",
     "confirm_dns_cache_clear": "Apakah Anda yakin ingin menghapus cache DNS?",
     "cache_cleared": "Cache DNS berhasil dibersihkan",
-    "clear_cache": "Hapus cache"
+    "clear_cache": "Hapus cache",
+    "protection_section_label": "Perlindungan"
 }

client/src/__locales/it.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Il registro richieste è stato correttamente cancellato",
     "query_log_updated": "Il registro richieste è stato correttamente aggiornato",
     "query_log_clear": "Cancella registri richieste",
-    "query_log_retention": "Conservazione dei registri richieste",
+    "query_log_retention": "Rotazione dei registri richieste",
     "query_log_enable": "Attiva registro",
     "query_log_configuration": "Configurazione registri",
     "query_log_disabled": "Il registro richieste è stato disattivato e può essere configurata dalle <0>impostazioni</0>",
     "query_log_strict_search": "Utilizzare le doppie virgolette per una ricerca precisa",
-    "query_log_retention_confirm": "Sei sicuro di voler modificare il registro delle richieste? Se il valore di intervallo dovesse diminuire, alcuni dati andranno persi",
+    "query_log_retention_confirm": "Sei sicuro di voler modificare il registro delle richieste? Se si riduce il valore dell'intervallo, alcuni dati andranno persi",
     "anonymize_client_ip": "Anonimizza client IP",
     "anonymize_client_ip_desc": "Non salvare l'indirizzo IP completo del client nel registro o nelle statistiche",
     "dns_config": "Configurazione server DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Disattiva la protezione per {{count}} ora",
     "disable_notify_for_hours_plural": "Disattiva la protezione per {{count}} ore",
     "disable_notify_until_tomorrow": "Disattiva la protezione fino a domani",
-    "enable_protection_timer": "La protezione verrà attivata in {{time}}"
+    "enable_protection_timer": "La protezione verrà attivata in {{time}}",
+    "custom_retention_input": "Inserisci la conservazione in ore",
+    "custom_rotation_input": "Inserisci la rotazione in ore",
+    "protection_section_label": "Protezione",
+    "log_and_stats_section_label": "Registro richieste e statistiche",
+    "ignore_query_log": "Ignora questo client nel registro delle richieste",
+    "ignore_statistics": "Ignora questo cliente nelle statistiche"
 }

client/src/__locales/ja.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "クエリ・ログの消去に成功しました",
     "query_log_updated": "クエリ・ログの更新が成功しました",
     "query_log_clear": "クエリ・ログを消去する",
-    "query_log_retention": "クエリ・ログの保持",
+    "query_log_retention": "クエリ・ログのローテーション",
     "query_log_enable": "ログを有効にする",
     "query_log_configuration": "ログ設定",
     "query_log_disabled": "クエリ・ログは無効になっており、<0>設定</0>で構成できます",
     "query_log_strict_search": "完全一致検索には二重引用符を使用します",
-    "query_log_retention_confirm": "クエリ・ログの保持を変更してもよろしいですか？ 期間を短くすると、一部のデータが失われます",
+    "query_log_retention_confirm": "クエリ・ログのローテーションを変更してもよろしいですか？ 間隔の値を減らすと、一部のデータが失われます",
     "anonymize_client_ip": "クライアントIPを匿名化する",
     "anonymize_client_ip_desc": "ログと統計にクライアントのフルIPアドレスを保存しないようにします。",
     "dns_config": "DNSサーバ設定",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "保護を {{count}} 時間無効にする",
     "disable_notify_for_hours_plural": "保護を {{count}} 時間無効にする",
     "disable_notify_until_tomorrow": "明日まで保護を無効にする",
-    "enable_protection_timer": "保護は後 {{time}} で有効になります"
+    "enable_protection_timer": "保護は後 {{time}} で有効になります",
+    "custom_retention_input": "保持期間を入力してください（時間単位）",
+    "custom_rotation_input": "ローテーションを入力してください（時間単位）",
+    "protection_section_label": "AdGuardによる保護",
+    "log_and_stats_section_label": "クエリ・ログと統計情報",
+    "ignore_query_log": "クエリ・ログでこのクライアントを無視する",
+    "ignore_statistics": "統計でこのクライアントを無視する"
 }

client/src/__locales/ko.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "쿼리 로그를 성공적으로 초기화했습니다",
     "query_log_updated": "질의 로그가 성공적으로 업데이트되었습니다",
     "query_log_clear": "쿼리 로그 비우기",
-    "query_log_retention": "쿼리 로그 저장 기간",
+    "query_log_retention": "쿼리 로그 로테이션",
     "query_log_enable": "로그 활성화",
     "query_log_configuration": "로그 구성",
     "query_log_disabled": "쿼리 로그가 비활성화되어 있으며 <0>설정</0>에서 설정할 수 있습니다",
     "query_log_strict_search": "검색을 제한하려면 쌍따옴표를 사용해주세요",
-    "query_log_retention_confirm": "정말로 쿼리 로그 저장 기간을 변경하시겠습니까? 저장 주기를 낮출 경우, 일부 데이터가 손실됩니다",
+    "query_log_retention_confirm": "쿼리 로그 로테이션을 변경하시겠습니까? 간격 값을 줄이면 일부 데이터가 손실됩니다.",
     "anonymize_client_ip": "클라이언트 IP 익명화",
     "anonymize_client_ip_desc": "클라이언트의 전체 IP 주소를 로그와 통계에 저장하저장하지 마세요",
     "dns_config": "DNS 서버 설정",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "{{count}}시간 동안 보호 기능 비활성화",
     "disable_notify_for_hours_plural": "{{count}}시간 동안 보호 기능 비활성화",
     "disable_notify_until_tomorrow": "내일까지 보호 기능 비활성화",
-    "enable_protection_timer": "{{time}}에 보호 기능이 활성화됩니다."
+    "enable_protection_timer": "{{time}}에 보호 기능이 활성화됩니다.",
+    "custom_retention_input": "시간 단위로 보존 기간 입력",
+    "custom_rotation_input": "시간 단위로 로테이션 입력",
+    "protection_section_label": "보호",
+    "log_and_stats_section_label": "쿼리 로그 및 통계",
+    "ignore_query_log": "쿼리 로그에서 이 클라이언트 무시",
+    "ignore_statistics": "통계에서 이 클라이언트 무시"
 }

client/src/__locales/nl.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Het query logboek is succesvol geleegd",
     "query_log_updated": "Het query logboek is succesvol bijgewerkt",
     "query_log_clear": "Leeg query logs",
-    "query_log_retention": "Query logs bewaartermijn",
+    "query_log_retention": "Query logs rotatie",
     "query_log_enable": "Log bestanden inschakelen",
     "query_log_configuration": "Logbestanden instellingen",
     "query_log_disabled": "Het query logboek is uitgeschakeld en kan worden geconfigureerd in de <0>instellingen</0>",
     "query_log_strict_search": "Gebruik dubbele aanhalingstekens voor strikt zoeken",
-    "query_log_retention_confirm": "Weet u zeker dat u de bewaartermijn van het query logboek wilt wijzigen? Als u de intervalwaarde verlaagt, gaan sommige gegevens verloren",
+    "query_log_retention_confirm": "Weet u zeker dat u de rotatie van het querylogboek wilt wijzigen? Als u de intervalwaarde verlaagt, gaan sommige gegevens verloren",
     "anonymize_client_ip": "Cliënt IP anonimiseren",
     "anonymize_client_ip_desc": "Het volledige IP-adres van de cliënt niet opnemen in logboeken en statistiekbestanden",
     "dns_config": "DNS-server configuratie",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Beveiliging uitschakelen voor {{count}} uur",
     "disable_notify_for_hours_plural": "Beveiliging uitschakelen voor {{count}} uren",
     "disable_notify_until_tomorrow": "Beveiliging uitschakelen tot morgen",
-    "enable_protection_timer": "Bescherming wordt ingeschakeld over {{time}}"
+    "enable_protection_timer": "Bescherming wordt ingeschakeld over {{time}}",
+    "custom_retention_input": "Voer retentie in uren in",
+    "custom_rotation_input": "Voer rotatie in uren in",
+    "protection_section_label": "Bescherming",
+    "log_and_stats_section_label": "Aanvragenlogboek en statistieken",
+    "ignore_query_log": "Deze client negeren in het aanvragenlogboek",
+    "ignore_statistics": "Deze client negeren in de statistieken"
 }

client/src/__locales/no.json

@@ -614,5 +614,6 @@
     "use_saved_key": "Bruk den tidligere lagrede nøkkelen",
     "parental_control": "Foreldrekontroll",
     "safe_browsing": "Sikker surfing",
-    "served_from_cache": "{{value}} <i>(formidlet fra mellomlageret)</i>"
+    "served_from_cache": "{{value}} <i>(formidlet fra mellomlageret)</i>",
+    "protection_section_label": "Beskyttelse"
 }

client/src/__locales/pl.json

@@ -167,6 +167,7 @@
     "enabled_parental_toast": "Włączona Kontrola Rodzicielska",
     "disabled_safe_search_toast": "Wyłączone bezpieczne wyszukiwanie",
     "enabled_save_search_toast": "Włączone bezpieczne wyszukiwanie",
+    "updated_save_search_toast": "Zaktualizowano ustawienia bezpiecznego wyszukiwania",
     "enabled_table_header": "Włączone",
     "name_table_header": "Nazwa",
     "list_url_table_header": "Adres URL listy",
@@ -256,12 +257,12 @@
     "query_log_cleared": "Dziennik zapytań został pomyślnie wyczyszczony",
     "query_log_updated": "Dziennik zapytań został zaktualizowany",
     "query_log_clear": "Wyczyść dzienniki zapytań",
-    "query_log_retention": "Przechowywanie dzienników zapytań",
+    "query_log_retention": "Rotacja dzienników zapytań",
     "query_log_enable": "Włącz dziennik",
     "query_log_configuration": "Konfiguracja dzienników",
     "query_log_disabled": "Dziennik zapytań jest wyłączony i można go skonfigurować w <0>ustawieniach</0>",
     "query_log_strict_search": "Używaj podwójnych cudzysłowów do ścisłego wyszukiwania",
-    "query_log_retention_confirm": "Czy na pewno chcesz zmienić sposób przechowywania dziennika zapytań? Jeśli zmniejszysz wartość interwału, niektóre dane zostaną utracone",
+    "query_log_retention_confirm": "Czy na pewno chcesz zmienić rotację dziennika zapytań? Jeśli zmniejszysz wartość interwału, niektóre dane zostaną utracone",
     "anonymize_client_ip": "Anonimizuj adres IP klienta",
     "anonymize_client_ip_desc": "Nie zapisuj pełnego adresu IP w dziennikach i statystykach",
     "dns_config": "Konfiguracja serwera DNS",
@@ -290,6 +291,8 @@
     "rate_limit": "Limit ilościowy",
     "edns_enable": "Włącz podsieć klienta EDNS",
     "edns_cs_desc": "Dodaj opcję podsieci klienta EDNS (ECS) do żądań nadrzędnych i rejestruj wartości wysyłane przez klientów w dzienniku zapytań.",
+    "edns_use_custom_ip": "Użyj niestandardowego adresu IP dla EDNS",
+    "edns_use_custom_ip_desc": "Zezwól na użycie niestandardowego adresu IP dla EDNS",
     "rate_limit_desc": "Liczba żądań na sekundę dozwolona na klienta. Ustawienie wartości 0 oznacza brak ograniczeń.",
     "blocking_ipv4_desc": "Adres IP, który ma zostać zwrócony w przypadku zablokowanego żądania A",
     "blocking_ipv6_desc": "Adres IP, który ma zostać zwrócony w przypadku zablokowanego żądania AAAA",
@@ -523,6 +526,10 @@
     "statistics_retention_confirm": "Czy chcesz zmienić sposób przechowania statystyk? Jeżeli obniżysz wartość interwału, niektóre dane będą utracone",
     "statistics_cleared": "Statystyki zostały pomyślnie wyczyszczone",
     "statistics_enable": "Włącz statystyki",
+    "ignore_domains": "Ignorowane domeny (każda w nowym wierszu)",
+    "ignore_domains_title": "Ignorowane domeny",
+    "ignore_domains_desc_stats": "Zapytania dla tych domen nie są zapisywane do statystyk",
+    "ignore_domains_desc_query": "Zapytania dla tych domen nie są zapisywane do dziennika",
     "interval_hours": "{{count}} godzina",
     "interval_hours_plural": "{{count}} godziny",
     "filters_configuration": "Konfiguracja filtrów",
@@ -642,5 +649,30 @@
     "anonymizer_notification": "<0>Uwaga:</0> Anonimizacja IP jest włączona. Możesz ją wyłączyć w <1>Ustawieniach ogólnych</1>.",
     "confirm_dns_cache_clear": "Czy na pewno chcesz wyczyścić pamięć podręczną DNS?",
     "cache_cleared": "Pamięć podręczna DNS została pomyślnie wyczyszczona",
-    "clear_cache": "Wyczyść pamięć podręczną"
+    "clear_cache": "Wyczyść pamięć podręczną",
+    "make_static": "Ustaw adres statyczny",
+    "theme_auto_desc": "Automatycznie (na podstawie schematu kolorów Twojego urządzenia)",
+    "theme_dark_desc": "Ciemny motyw",
+    "theme_light_desc": "Jasny motyw",
+    "disable_for_seconds": "Na {{count}} sekundę",
+    "disable_for_seconds_plural": "Na {{count}} sekund",
+    "disable_for_minutes": "Na {{count}} minutę",
+    "disable_for_minutes_plural": "Na {{count}} minut",
+    "disable_for_hours": "Na {{count}} godzinę",
+    "disable_for_hours_plural": "Na {{count}} godziny",
+    "disable_until_tomorrow": "Do jutra",
+    "disable_notify_for_seconds": "Wyłącz ochronę na {{count}} sekundę",
+    "disable_notify_for_seconds_plural": "Wyłącz ochronę na {{count}} sekund",
+    "disable_notify_for_minutes": "Wyłącz ochronę na {{count}} minutę",
+    "disable_notify_for_minutes_plural": "Wyłącz ochronę na {{count}} minut",
+    "disable_notify_for_hours": "Wyłącz ochronę na {{count}} godzinę",
+    "disable_notify_for_hours_plural": "Wyłącz ochronę na {{count}} godziny",
+    "disable_notify_until_tomorrow": "Wyłącz ochronę do jutra",
+    "enable_protection_timer": "Ochrona zostanie włączona za {{time}}",
+    "custom_retention_input": "Wprowadź retencję w godzinach",
+    "custom_rotation_input": "Wprowadź rotację w godzinach",
+    "protection_section_label": "Ochrona",
+    "log_and_stats_section_label": "Dziennik zapytań i statystyki",
+    "ignore_query_log": "Zignoruj tego klienta w dzienniku zapytań",
+    "ignore_statistics": "Ignoruj tego klienta w statystykach"
 }

client/src/__locales/pt-br.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "O registro de consulta foi limpo com sucesso",
     "query_log_updated": "O registro da consulta foi atualizado com sucesso",
     "query_log_clear": "Limpar registros de consulta",
-    "query_log_retention": "Arquivamento de registros de consultas",
+    "query_log_retention": "Rotação de registros de consulta",
     "query_log_enable": "Ativar registro",
     "query_log_configuration": "Configuração de registros",
     "query_log_disabled": "O registro de consulta está desativado e pode ser configurado em <0>configurações</0>",
     "query_log_strict_search": "Use aspas duplas para uma pesquisa mais criteriosa",
-    "query_log_retention_confirm": "Você tem certeza de que deseja alterar o arquivamento do registro de consulta? Se diminuir o valor de intervalo, alguns dados serão perdidos",
+    "query_log_retention_confirm": "Tem a certeza de que quer alterar a rotação do registo de consulta? Se diminuir o valor do intervalo, alguns dados serão perdidos",
     "anonymize_client_ip": "Tornar anônimo o IP do cliente",
     "anonymize_client_ip_desc": "Não salva o endereço de IP completo do cliente em registros ou estatísticas",
     "dns_config": "Configuração do servidor DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Desativar proteção por {{count}} hora",
     "disable_notify_for_hours_plural": "Desativar proteção por {{count}} horas",
     "disable_notify_until_tomorrow": "Desativar a proteção até amanhã",
-    "enable_protection_timer": "A proteção será ativada em {{time}}"
+    "enable_protection_timer": "A proteção será ativada em {{time}}",
+    "custom_retention_input": "Insira a retenção em horas",
+    "custom_rotation_input": "Insira a rotação em horas",
+    "protection_section_label": "Proteção",
+    "log_and_stats_section_label": "Registro de consultas e estatísticas",
+    "ignore_query_log": "Ignorar este cliente no registo de consultas",
+    "ignore_statistics": "Ignorar este cliente nas estatísticas"
 }

client/src/__locales/pt-pt.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "O registo de consulta foi limpo com sucesso",
     "query_log_updated": "O registo da consulta foi atualizado com sucesso",
     "query_log_clear": "Limpar registos de consulta",
-    "query_log_retention": "Retenção de registos de consulta",
+    "query_log_retention": "Rotação de registros de consulta",
     "query_log_enable": "Ativar registo",
     "query_log_configuration": "Definições do registo",
     "query_log_disabled": "O registo de consulta está desativado e pode ser configurado em <0>definições</0>",
     "query_log_strict_search": "Usar aspas duplas para uma pesquisa rigorosa",
-    "query_log_retention_confirm": "Tem a certeza de que deseja alterar a retenção do registo de consulta? Se diminuir o valor do intervalo, alguns dados serão perdidos",
+    "query_log_retention_confirm": "Tem a certeza de que quer alterar a rotação do registo de consulta? Se diminuir o valor do intervalo, alguns dados serão perdidos",
     "anonymize_client_ip": "Tornar anónimo o IP do cliente",
     "anonymize_client_ip_desc": "Não gurda o endereço de IP completo do cliente em registo ou estatísticas",
     "dns_config": "Definição do servidor DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Desativar proteção por {{count}} hora",
     "disable_notify_for_hours_plural": "Desativar proteção por {{count}} horas",
     "disable_notify_until_tomorrow": "Desativar a proteção até amanhã",
-    "enable_protection_timer": "A proteção será habilitada em {{time}}"
+    "enable_protection_timer": "A proteção será habilitada em {{time}}",
+    "custom_retention_input": "Insira a retenção em horas",
+    "custom_rotation_input": "Insira a rotação em horas",
+    "protection_section_label": "Proteção",
+    "log_and_stats_section_label": "Log de consulta e estatísticas",
+    "ignore_query_log": "Ignorar este cliente no log de consulta",
+    "ignore_statistics": "Ignorar este cliente nas estatísticas"
 }

client/src/__locales/ro.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0>Nota:</0> Anonimizarea IP este activată. Puteți să o dezactivați în <1>Setări generale</1>.",
     "confirm_dns_cache_clear": "Sunteți sigur că doriți să ștergeți memoria cache DNS?",
     "cache_cleared": "Cache-ul DNS a fost golit cu succes",
-    "clear_cache": "Goliți memoria cache"
+    "clear_cache": "Goliți memoria cache",
+    "protection_section_label": "Protecție"
 }

client/src/__locales/ru.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Журнал запросов успешно очищен",
     "query_log_updated": "Журнал запросов успешно обновлён",
     "query_log_clear": "Очистить журнал запросов",
-    "query_log_retention": "Сохранение журнала запросов",
+    "query_log_retention": "Частота ротации журнала запросов",
     "query_log_enable": "Включить журнал",
     "query_log_configuration": "Настройка журнала",
     "query_log_disabled": "Журнал запросов выключен, его можно включить в <0>настройках</0>",
     "query_log_strict_search": "Используйте двойные кавычки для строгого поиска",
-    "query_log_retention_confirm": "Вы уверены, что хотите изменить срок хранения запросов? При сокращении интервала данные могут быть утеряны",
+    "query_log_retention_confirm": "Вы уверены, что хотите изменить частоту ротации журнала запросов? При сокращении срока данные могут быть утеряны",
     "anonymize_client_ip": "Анонимизировать IP-адрес клиента",
     "anonymize_client_ip_desc": "Не сохранять полный IP-адрес клиента в журналах и статистике",
     "dns_config": "Настройки DNS-сервера",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Отключить защиту на {{count}} час",
     "disable_notify_for_hours_plural": "Отключить защиту на {{count}} часов",
     "disable_notify_until_tomorrow": "Отключить защиту до завтра",
-    "enable_protection_timer": "Защита будет включена в {{time}}"
+    "enable_protection_timer": "Защита будет включена в {{time}}",
+    "custom_retention_input": "Введите срок хранения в часах",
+    "custom_rotation_input": "Введите частоту ротации в часах",
+    "protection_section_label": "Защита",
+    "log_and_stats_section_label": "Журнал запросов и статистика",
+    "ignore_query_log": "Игнорировать этого клиента в журнале запросов",
+    "ignore_statistics": "Игнорировать этого клиента в статистике"
 }

client/src/__locales/sk.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Denník dopytov bol úspešne vymazaný",
     "query_log_updated": "Denník dopytov bol úspešne aktualizovaný",
     "query_log_clear": "Vymazať denníky dopytov",
-    "query_log_retention": "Obdobie záznamu denníka dopytov",
+    "query_log_retention": "Rotácia denníkov dopytov",
     "query_log_enable": "Zapnúť denník",
     "query_log_configuration": "Konfigurácia denníka",
     "query_log_disabled": "Protokol dopytov je vypnutý a možno ho nakonfigurovať v <0>nastaveniach</0>",
     "query_log_strict_search": "Na prísne vyhľadávanie použite dvojité úvodzovky",
-    "query_log_retention_confirm": "Naozaj chcete zmeniť uchovávanie denníku dopytov? Ak znížite hodnotu intervalu, niektoré údaje sa stratia",
+    "query_log_retention_confirm": "Naozaj chcete zmeniť rotáciu denníka dopytov? Ak znížite hodnotu intervalu, niektoré údaje sa stratia",
     "anonymize_client_ip": "Anonymizujte IP klienta",
     "anonymize_client_ip_desc": "Neukladať úplnú IP adresu klienta do protokolov a štatistík",
     "dns_config": "Konfigurácia DNS servera",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Vypnite ochranu na {{count}} hodinu",
     "disable_notify_for_hours_plural": "Vypnite ochranu na {{count}} hodín",
     "disable_notify_until_tomorrow": "Vypnúť ochranu do zajtra",
-    "enable_protection_timer": "Ochrana bude zapnutá o {{time}}"
+    "enable_protection_timer": "Ochrana bude zapnutá o {{time}}",
+    "custom_retention_input": "Zadajte retenciu v hodinách",
+    "custom_rotation_input": "Zadajte rotáciu v hodinách",
+    "protection_section_label": "Ochrana",
+    "log_and_stats_section_label": "Protokol dopytov a štatistiky",
+    "ignore_query_log": "Ignorovať tohto klienta v denníku dopytov",
+    "ignore_statistics": "Ignorovanie tohto klienta v štatistikách"
 }

client/src/__locales/sl.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Dnevnik poizvedb je uspešno izbrisan",
     "query_log_updated": "Dnevnik poizvedb je bil uspešno posodobljen",
     "query_log_clear": "Počisti dnevnike poizvedb",
-    "query_log_retention": "Zadrževanje dnevnikov poizvedb",
+    "query_log_retention": "Rotacija dnevnikov poizvedb",
     "query_log_enable": "Omogoči dnevni",
     "query_log_configuration": "Konfiguracija dnevnikov",
     "query_log_disabled": "Dnevnik poizvedb je onemogočen in ga je mogoče konfigurirati v <0>nastavitvah</0>",
     "query_log_strict_search": "Za strogo iskanje uporabite dvojne narekovaje",
-    "query_log_retention_confirm": "Ali ste prepričani, da želite spremeniti zadrževanje dnevnika poizvedb? Če zmanjšate vrednost intervala, bodo nekateri podatki izgubljeni",
+    "query_log_retention_confirm": "Ali ste prepričani, da želite spremeniti rotacijo dnevnika poizvedb? Če zmanjšate vrednost intervala, bodo nekateri podatki izgubljeni",
     "anonymize_client_ip": "Anonimiziraj odjemalca IP",
     "anonymize_client_ip_desc": "Ne shrani celotnega naslova IP odjemalca v dnevnikih ali statistiki",
     "dns_config": "Konfiguracija strežnika DNS",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Onemogoči zaščito za {{count}} uro",
     "disable_notify_for_hours_plural": "Onemogoči zaščito za {{count}} ur",
     "disable_notify_until_tomorrow": "Onemogoči zaščito do jutri",
-    "enable_protection_timer": "Zaščita bo omogočena ob {{time}}"
+    "enable_protection_timer": "Zaščita bo omogočena ob {{time}}",
+    "custom_retention_input": "Vnesite zadrževanje v urah",
+    "custom_rotation_input": "Vnesite rotacijo v urah",
+    "protection_section_label": "Zaščita",
+    "log_and_stats_section_label": "Dnevnik poizvedb in statistika",
+    "ignore_query_log": "Ignorirajte tega odjemalca v dnevniku poizvedb",
+    "ignore_statistics": "Ignoriranje tega odjemalca v statistiki"
 }

client/src/__locales/sr-cs.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0>Nota:</0> IP prepoznavanje je omogućeno. Možete ga onemogućiti u opštim <1>postavkama</1>.",
     "confirm_dns_cache_clear": "Želite li zaista da obrišite DNS keš?",
     "cache_cleared": "DNS keš je uspešno očišćen",
-    "clear_cache": "Obriši keš memoriju"
+    "clear_cache": "Obriši keš memoriju",
+    "protection_section_label": "Zaštita"
 }

client/src/__locales/tr.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "Sorgu günlüğü başarıyla temizlendi",
     "query_log_updated": "Sorgu günlüğü başarıyla güncellendi",
     "query_log_clear": "Sorgu günlüklerini temizle",
-    "query_log_retention": "Sorgu günlüklerini sakla",
+    "query_log_retention": "Sorgu günlükleri rotasyonu",
     "query_log_enable": "Günlüğü etkinleştir",
     "query_log_configuration": "Günlük yapılandırması",
     "query_log_disabled": "Sorgu günlüğü devre dışı bırakıldı, bunu <0>ayarlar</0> kısmından yapılandırılabilirsiniz",
     "query_log_strict_search": "Tam arama için çift tırnak işareti kullanın",
-    "query_log_retention_confirm": "Sorgu günlüğü saklama süresini değiştirmek istediğinize emin misiniz? Aralık değerini azaltırsanız, bazı veriler kaybolacaktır",
+    "query_log_retention_confirm": "Sorgu günlüğü rotasyonunu değiştirmek istediğinizden emin misiniz? Aralık değerini düşürürseniz, bazı veriler kaybolacaktır.",
     "anonymize_client_ip": "İstemcinin IP adresini gizle",
     "anonymize_client_ip_desc": "İstemcinin tam IP adresini günlüklere veya istatistiklere kaydetmeyin",
     "dns_config": "DNS sunucu yapılandırması",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "Korumayı {{count}} saatliğine devre dışı bırak",
     "disable_notify_for_hours_plural": "Korumayı {{count}} saatliğine devre dışı bırak",
     "disable_notify_until_tomorrow": "Korumayı yarına kadar devre dışı bırak",
-    "enable_protection_timer": "Koruma {{time}} içinde etkinleştirilecektir"
+    "enable_protection_timer": "Koruma {{time}} içinde etkinleştirilecektir",
+    "custom_retention_input": "Saklama süresini saat olarak girin",
+    "custom_rotation_input": "Rotasyonu saat cinsinden girin",
+    "protection_section_label": "Koruma",
+    "log_and_stats_section_label": "Sorgu günlüğü ve istatistikler",
+    "ignore_query_log": "Sorgu günlüğünde bu istemciyi yoksay",
+    "ignore_statistics": "İstatistiklerde bu istemciyi yoksay"
 }

client/src/__locales/uk.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0>Примітка:</0> IP-анонімізацію ввімкнено. Ви можете вимкнути його в <1>Загальні налаштування</1> .",
     "confirm_dns_cache_clear": "Ви впевнені, що бажаєте очистити кеш DNS?",
     "cache_cleared": "Кеш DNS успішно очищено",
-    "clear_cache": "Очистити кеш"
+    "clear_cache": "Очистити кеш",
+    "protection_section_label": "Захист"
 }

client/src/__locales/vi.json

@@ -642,5 +642,6 @@
     "anonymizer_notification": "<0> Lưu ý:</0> Tính năng ẩn danh IP được bật. Bạn có thể tắt nó trong <1> Cài đặt chung</1>.",
     "confirm_dns_cache_clear": "Bạn có chắc chắn muốn xóa bộ đệm ẩn DNS không?",
     "cache_cleared": "Đã xóa thành công bộ đệm DNS",
-    "clear_cache": "Xóa bộ nhớ cache"
+    "clear_cache": "Xóa bộ nhớ cache",
+    "protection_section_label": "Sự bảo vệ"
 }

client/src/__locales/zh-cn.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "查询日志已成功清除",
     "query_log_updated": "已成功更新查询日志",
     "query_log_clear": "清除查询日志",
-    "query_log_retention": "查询记录保留时间",
+    "query_log_retention": "查询日志保留时间",
     "query_log_enable": "启用日志",
     "query_log_configuration": "日志配置",
     "query_log_disabled": "查询日志已禁用，在<0>这些设置</0>中能配置它们",
     "query_log_strict_search": "使用双引号进行严谨搜索",
-    "query_log_retention_confirm": "您确定要更改查询记录保留时间吗？ 如果您减少间隔时间的值， 某些数据可能会丢失。",
+    "query_log_retention_confirm": "您确定要更改查询记录保留时间吗？如果减少时间间隔数值，某些数据可能会丢失",
     "anonymize_client_ip": "匿名化客户端IP",
     "anonymize_client_ip_desc": "不要在日志和统计信息中保存客户端的完整 IP 地址",
     "dns_config": "DNS 服务配置",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "禁用保护 {{count}} 小时",
     "disable_notify_for_hours_plural": "禁用保护 {{count}} 小时",
     "disable_notify_until_tomorrow": "禁用保护直到明天",
-    "enable_protection_timer": "保护将于 {{time}} 启用"
+    "enable_protection_timer": "保护将于 {{time}} 启用",
+    "custom_retention_input": "输入保留时间（小时）",
+    "custom_rotation_input": "输入旋转时间（小时）",
+    "protection_section_label": "防护",
+    "log_and_stats_section_label": "查询日志和统计数据",
+    "ignore_query_log": "在查询日志中忽略此客户端",
+    "ignore_statistics": "在统计数据中忽略此客户端"
 }

client/src/__locales/zh-tw.json

@@ -257,12 +257,12 @@
     "query_log_cleared": "該查詢記錄已被成功地清除",
     "query_log_updated": "該查詢記錄已被成功地更新",
     "query_log_clear": "清除查詢記錄",
-    "query_log_retention": "查詢記錄保留",
+    "query_log_retention": "查詢記錄保留時間",
     "query_log_enable": "啟用記錄",
     "query_log_configuration": "記錄配置",
     "query_log_disabled": "查詢記錄被禁用並可在<0>設定</0>中被配置",
     "query_log_strict_search": "使用雙引號於嚴謹的搜尋",
-    "query_log_retention_confirm": "您確定您想要更改查詢記錄保留嗎？如果您減少該間隔值，某些資料將被丟失",
+    "query_log_retention_confirm": "您確定要更改記錄檔保存期限嗎？如果您縮短期限部分資料可能將會遺失",
     "anonymize_client_ip": "將用戶端 IP 匿名",
     "anonymize_client_ip_desc": "不要儲存用戶端之完整的 IP 位址到記錄或統計資料裡",
     "dns_config": "DNS 伺服器配置",
@@ -668,5 +668,11 @@
     "disable_notify_for_hours": "計 {{count}} 小時禁用防護",
     "disable_notify_for_hours_plural": "計 {{count}} 小時禁用防護",
     "disable_notify_until_tomorrow": "禁用防護直到明天",
-    "enable_protection_timer": "防護將於 {{time}} 被啟用"
+    "enable_protection_timer": "防護將於 {{time}} 被啟用",
+    "custom_retention_input": "輸入保留時間（小時）",
+    "custom_rotation_input": "輸入旋轉時間（小時）",
+    "protection_section_label": "防護",
+    "log_and_stats_section_label": "查詢記錄和統計資料",
+    "ignore_query_log": "在查詢記錄中忽略此用戶端",
+    "ignore_statistics": "在統計資料中忽略此用戶端"
 }

client/src/actions/encryption.js

@@ -49,6 +49,9 @@ export const setTlsConfig = (config) => async (dispatch, getState) => {
 
         const dnsStatus = await apiClient.getGlobalStatus();
         if (dnsStatus) {
+            if (dnsStatus.protection_disabled_duration === 0) {
+                dnsStatus.protection_disabled_duration = null;
+            }
             dispatch(dnsStatusSuccess(dnsStatus));
         }
 

client/src/actions/services.js

@@ -2,21 +2,6 @@ import { createAction } from 'redux-actions';
 import apiClient from '../api/Api';
 import { addErrorToast, addSuccessToast } from './toasts';
 
-export const getBlockedServicesAvailableServicesRequest = createAction('GET_BLOCKED_SERVICES_AVAILABLE_SERVICES_REQUEST');
-export const getBlockedServicesAvailableServicesFailure = createAction('GET_BLOCKED_SERVICES_AVAILABLE_SERVICES_FAILURE');
-export const getBlockedServicesAvailableServicesSuccess = createAction('GET_BLOCKED_SERVICES_AVAILABLE_SERVICES_SUCCESS');
-
-export const getBlockedServicesAvailableServices = () => async (dispatch) => {
-    dispatch(getBlockedServicesAvailableServicesRequest());
-    try {
-        const data = await apiClient.getBlockedServicesAvailableServices();
-        dispatch(getBlockedServicesAvailableServicesSuccess(data));
-    } catch (error) {
-        dispatch(addErrorToast({ error }));
-        dispatch(getBlockedServicesAvailableServicesFailure());
-    }
-};
-
 export const getBlockedServicesRequest = createAction('GET_BLOCKED_SERVICES_REQUEST');
 export const getBlockedServicesFailure = createAction('GET_BLOCKED_SERVICES_FAILURE');
 export const getBlockedServicesSuccess = createAction('GET_BLOCKED_SERVICES_SUCCESS');

client/src/api/Api.js

@@ -479,19 +479,12 @@ class Api {
     }
 
     // Blocked services
-    BLOCKED_SERVICES_SERVICES = { path: 'blocked_services/services', method: 'GET' };
-
     BLOCKED_SERVICES_LIST = { path: 'blocked_services/list', method: 'GET' };
 
     BLOCKED_SERVICES_SET = { path: 'blocked_services/set', method: 'POST' };
 
     BLOCKED_SERVICES_ALL = { path: 'blocked_services/all', method: 'GET' };
 
-    getBlockedServicesAvailableServices() {
-        const { path, method } = this.BLOCKED_SERVICES_SERVICES;
-        return this.makeRequest(path, method);
-    }
-
     getAllBlockedServices() {
         const { path, method } = this.BLOCKED_SERVICES_ALL;
         return this.makeRequest(path, method);

client/src/components/App/index.js

@@ -165,8 +165,7 @@ const App = () => {
         }
 
         const colorSchemeMedia = window.matchMedia('(prefers-color-scheme: dark)');
-        const prefersDark = colorSchemeMedia.matches;
-        setUITheme(prefersDark ? THEMES.dark : THEMES.light);
+        setUITheme(theme);
 
         if (colorSchemeMedia.addEventListener !== undefined) {
             colorSchemeMedia.addEventListener('change', (e) => {

client/src/components/Filters/DnsBlocklist.js

@@ -12,7 +12,6 @@ import { MODAL_TYPE } from '../../helpers/constants';
 
 import {
     getCurrentFilter,
-    getObjDiff,
 } from '../../helpers/helpers';
 
 import filtersCatalog from '../../helpers/filters/filters';
@@ -22,7 +21,7 @@ class DnsBlocklist extends Component {
         this.props.getFilteringStatus();
     }
 
-    handleSubmit = (values, _, { initialValues }) => {
+    handleSubmit = (values) => {
         const { modalFilterUrl, modalType } = this.props.filtering;
 
         switch (modalType) {
@@ -35,7 +34,12 @@ class DnsBlocklist extends Component {
                 break;
             }
             case MODAL_TYPE.CHOOSE_FILTERING_LIST: {
-                const changedValues = getObjDiff(initialValues, values);
+                const changedValues = Object.entries(values)?.reduce((acc, [key, value]) => {
+                    if (value && key in filtersCatalog.filters) {
+                        acc[key] = value;
+                    }
+                    return acc;
+                }, {});
 
                 Object.keys(changedValues)
                     .forEach((fieldName) => {

client/src/components/Settings/Clients/Form.js

@@ -41,6 +41,17 @@ const settingsCheckboxes = [
         placeholder: 'use_adguard_parental',
     },
 ];
+
+const logAndStatsCheckboxes = [
+    {
+        name: 'ignore_querylog',
+        placeholder: 'ignore_query_log',
+    },
+    {
+        name: 'ignore_statistics',
+        placeholder: 'ignore_statistics',
+    },
+];
 const validate = (values) => {
     const errors = {};
     const { name, ids } = values;
@@ -148,6 +159,9 @@ let Form = (props) => {
         settings: {
             title: 'settings',
             component: <div label="settings" title={props.t('main_settings')}>
+                <div className="form__label--bot form__label--bold">
+                    {t('protection_section_label')}
+                </div>
                 {settingsCheckboxes.map((setting) => (
                     <div className="form__group" key={setting.name}>
                         <Field
@@ -185,6 +199,19 @@ let Form = (props) => {
                         </div>
                     ))}
                 </div>
+                <div className="form__label--bold form__label--top form__label--bot">
+                    {t('log_and_stats_section_label')}
+                </div>
+                {logAndStatsCheckboxes.map((setting) => (
+                    <div className="form__group" key={setting.name}>
+                        <Field
+                            name={setting.name}
+                            type="checkbox"
+                            component={CheckboxField}
+                            placeholder={t(setting.placeholder)}
+                        />
+                    </div>
+                ))}
             </div>,
         },
         block_services: {

client/src/components/Settings/LogsConfig/Form.js

@@ -1,25 +1,37 @@
-import React from 'react';
+import React, { useEffect } from 'react';
 import PropTypes from 'prop-types';
-import { Field, reduxForm } from 'redux-form';
+import {
+    change,
+    Field,
+    formValueSelector,
+    reduxForm,
+} from 'redux-form';
+import { connect } from 'react-redux';
 import { Trans, withTranslation } from 'react-i18next';
 import flow from 'lodash/flow';
 
 import {
     CheckboxField,
-    renderRadioField,
     toFloatNumber,
-    renderTextareaField,
+    renderTextareaField, renderInputField, renderRadioField,
 } from '../../../helpers/form';
 import {
     FORM_NAME,
     QUERY_LOG_INTERVALS_DAYS,
     HOUR,
     DAY,
+    RETENTION_CUSTOM,
+    RETENTION_CUSTOM_INPUT,
+    RETENTION_RANGE,
+    CUSTOM_INTERVAL,
 } from '../../../helpers/constants';
 import '../FormButton.css';
 
+
 const getIntervalTitle = (interval, t) => {
     switch (interval) {
+        case RETENTION_CUSTOM:
+            return t('settings_custom');
         case 6 * HOUR:
             return t('interval_6_hour');
         case DAY:
@@ -42,11 +54,26 @@ const getIntervalFields = (processing, t, toNumber) => QUERY_LOG_INTERVALS_DAYS.
     />
 ));
 
-const Form = (props) => {
+let Form = (props) => {
     const {
-        handleSubmit, submitting, invalid, processing, processingClear, handleClear, t,
+        handleSubmit,
+        submitting,
+        invalid,
+        processing,
+        processingClear,
+        handleClear,
+        t,
+        interval,
+        customInterval,
+        dispatch,
     } = props;
 
+    useEffect(() => {
+        if (QUERY_LOG_INTERVALS_DAYS.includes(interval)) {
+            dispatch(change(FORM_NAME.LOG_CONFIG, CUSTOM_INTERVAL, null));
+        }
+    }, [interval]);
+
     return (
         <form onSubmit={handleSubmit}>
             <div className="form__group form__group--settings">
@@ -73,6 +100,37 @@ const Form = (props) => {
             </label>
             <div className="form__group form__group--settings">
                 <div className="custom-controls-stacked">
+                    <Field
+                        key={RETENTION_CUSTOM}
+                        name="interval"
+                        type="radio"
+                        component={renderRadioField}
+                        value={QUERY_LOG_INTERVALS_DAYS.includes(interval)
+                            ? RETENTION_CUSTOM
+                            : interval
+                        }
+                        placeholder={getIntervalTitle(RETENTION_CUSTOM, t)}
+                        normalize={toFloatNumber}
+                        disabled={processing}
+                    />
+                    {!QUERY_LOG_INTERVALS_DAYS.includes(interval) && (
+                        <div className="form__group--input">
+                            <div className="form__desc form__desc--top">
+                                {t('custom_rotation_input')}
+                            </div>
+                            <Field
+                                key={RETENTION_CUSTOM_INPUT}
+                                name={CUSTOM_INTERVAL}
+                                type="number"
+                                className="form-control"
+                                component={renderInputField}
+                                disabled={processing}
+                                normalize={toFloatNumber}
+                                min={RETENTION_RANGE.MIN}
+                                max={RETENTION_RANGE.MAX}
+                            />
+                        </div>
+                    )}
                     {getIntervalFields(processing, t, toFloatNumber)}
                 </div>
             </div>
@@ -96,7 +154,12 @@ const Form = (props) => {
                 <button
                     type="submit"
                     className="btn btn-success btn-standard btn-large"
-                    disabled={submitting || invalid || processing}
+                    disabled={
+                        submitting
+                        || invalid
+                        || processing
+                        || (!QUERY_LOG_INTERVALS_DAYS.includes(interval) && !customInterval)
+                    }
                 >
                     <Trans>save_btn</Trans>
                 </button>
@@ -121,8 +184,22 @@ Form.propTypes = {
     processing: PropTypes.bool.isRequired,
     processingClear: PropTypes.bool.isRequired,
     t: PropTypes.func.isRequired,
+    interval: PropTypes.number,
+    customInterval: PropTypes.number,
+    dispatch: PropTypes.func.isRequired,
 };
 
+const selector = formValueSelector(FORM_NAME.LOG_CONFIG);
+
+Form = connect((state) => {
+    const interval = selector(state, 'interval');
+    const customInterval = selector(state, CUSTOM_INTERVAL);
+    return {
+        interval,
+        customInterval,
+    };
+})(Form);
+
 export default flow([
     withTranslation(),
     reduxForm({ form: FORM_NAME.LOG_CONFIG }),

client/src/components/Settings/LogsConfig/index.js

@@ -4,15 +4,22 @@ import { withTranslation } from 'react-i18next';
 
 import Card from '../../ui/Card';
 import Form from './Form';
+import { HOUR } from '../../../helpers/constants';
 
 class LogsConfig extends Component {
     handleFormSubmit = (values) => {
         const { t, interval: prevInterval } = this.props;
-        const { interval } = values;
+        const { interval, customInterval, ...rest } = values;
 
-        const data = { ...values, ignored: values.ignored ? values.ignored.split('\n') : [] };
+        const newInterval = customInterval ? customInterval * HOUR : interval;
 
-        if (interval !== prevInterval) {
+        const data = {
+            ...rest,
+            ignored: values.ignored ? values.ignored.split('\n') : [],
+            interval: newInterval,
+        };
+
+        if (newInterval < prevInterval) {
             // eslint-disable-next-line no-alert
             if (window.confirm(t('query_log_retention_confirm'))) {
                 this.props.setLogsConfig(data);
@@ -32,7 +39,14 @@ class LogsConfig extends Component {
 
     render() {
         const {
-            t, enabled, interval, processing, processingClear, anonymize_client_ip, ignored,
+            t,
+            enabled,
+            interval,
+            processing,
+            processingClear,
+            anonymize_client_ip,
+            ignored,
+            customInterval,
         } = this.props;
 
         return (
@@ -46,6 +60,7 @@ class LogsConfig extends Component {
                         initialValues={{
                             enabled,
                             interval,
+                            customInterval,
                             anonymize_client_ip,
                             ignored: ignored.join('\n'),
                         }}
@@ -62,6 +77,7 @@ class LogsConfig extends Component {
 
 LogsConfig.propTypes = {
     interval: PropTypes.number.isRequired,
+    customInterval: PropTypes.number,
     enabled: PropTypes.bool.isRequired,
     anonymize_client_ip: PropTypes.bool.isRequired,
     processing: PropTypes.bool.isRequired,

client/src/components/Settings/Settings.css

@@ -18,6 +18,11 @@
     font-size: 14px;
 }
 
+.form__group--input {
+    max-width: 300px;
+    margin: 0 1.5rem 10px;
+}
+
 .form__group--checkbox {
     margin-bottom: 25px;
 }
@@ -100,6 +105,14 @@
     margin-bottom: 0;
 }
 
+.form__label--bot {
+    margin-bottom: 10px;
+}
+
+.form__label--top {
+    margin-top: 10px;
+}
+
 .form__status {
     margin-top: 10px;
     font-size: 14px;

client/src/components/Settings/StatsConfig/Form.js

@@ -1,32 +1,44 @@
-import React from 'react';
+import React, { useEffect } from 'react';
 import PropTypes from 'prop-types';
-import { Field, reduxForm } from 'redux-form';
+import {
+    change, Field, formValueSelector, reduxForm,
+} from 'redux-form';
 import { Trans, withTranslation } from 'react-i18next';
 import flow from 'lodash/flow';
+import { connect } from 'react-redux';
+
 
 import {
     renderRadioField,
     toNumber,
     CheckboxField,
     renderTextareaField,
+    toFloatNumber,
+    renderInputField,
 } from '../../../helpers/form';
 import {
     FORM_NAME,
     STATS_INTERVALS_DAYS,
     DAY,
+    RETENTION_CUSTOM,
+    RETENTION_CUSTOM_INPUT,
+    CUSTOM_INTERVAL,
+    RETENTION_RANGE,
 } from '../../../helpers/constants';
 import '../FormButton.css';
 
 const getIntervalTitle = (intervalMs, t) => {
-    switch (intervalMs / DAY) {
-        case 1:
+    switch (intervalMs) {
+        case RETENTION_CUSTOM:
+            return t('settings_custom');
+        case DAY:
             return t('interval_24_hour');
         default:
             return t('interval_days', { count: intervalMs / DAY });
     }
 };
 
-const Form = (props) => {
+let Form = (props) => {
     const {
         handleSubmit,
         processing,
@@ -35,8 +47,17 @@ const Form = (props) => {
         handleReset,
         processingReset,
         t,
+        interval,
+        customInterval,
+        dispatch,
     } = props;
 
+    useEffect(() => {
+        if (STATS_INTERVALS_DAYS.includes(interval)) {
+            dispatch(change(FORM_NAME.STATS_CONFIG, CUSTOM_INTERVAL, null));
+        }
+    }, [interval]);
+
     return (
         <form onSubmit={handleSubmit}>
             <div className="form__group form__group--settings">
@@ -56,6 +77,37 @@ const Form = (props) => {
             </div>
             <div className="form__group form__group--settings mt-2">
                 <div className="custom-controls-stacked">
+                    <Field
+                        key={RETENTION_CUSTOM}
+                        name="interval"
+                        type="radio"
+                        component={renderRadioField}
+                        value={STATS_INTERVALS_DAYS.includes(interval)
+                            ? RETENTION_CUSTOM
+                            : interval
+                        }
+                        placeholder={getIntervalTitle(RETENTION_CUSTOM, t)}
+                        normalize={toFloatNumber}
+                        disabled={processing}
+                    />
+                    {!STATS_INTERVALS_DAYS.includes(interval) && (
+                        <div className="form__group--input">
+                            <div className="form__desc form__desc--top">
+                                {t('custom_retention_input')}
+                            </div>
+                            <Field
+                                key={RETENTION_CUSTOM_INPUT}
+                                name={CUSTOM_INTERVAL}
+                                type="number"
+                                className="form-control"
+                                component={renderInputField}
+                                disabled={processing}
+                                normalize={toFloatNumber}
+                                min={RETENTION_RANGE.MIN}
+                                max={RETENTION_RANGE.MAX}
+                            />
+                        </div>
+                    )}
                     {STATS_INTERVALS_DAYS.map((interval) => (
                         <Field
                             key={interval}
@@ -90,7 +142,12 @@ const Form = (props) => {
                 <button
                     type="submit"
                     className="btn btn-success btn-standard btn-large"
-                    disabled={submitting || invalid || processing}
+                    disabled={
+                        submitting
+                        || invalid
+                        || processing
+                        || (!STATS_INTERVALS_DAYS.includes(interval) && !customInterval)
+                    }
                 >
                     <Trans>save_btn</Trans>
                 </button>
@@ -116,8 +173,22 @@ Form.propTypes = {
     processing: PropTypes.bool.isRequired,
     processingReset: PropTypes.bool.isRequired,
     t: PropTypes.func.isRequired,
+    interval: PropTypes.number,
+    customInterval: PropTypes.number,
+    dispatch: PropTypes.func.isRequired,
 };
 
+const selector = formValueSelector(FORM_NAME.STATS_CONFIG);
+
+Form = connect((state) => {
+    const interval = selector(state, 'interval');
+    const customInterval = selector(state, CUSTOM_INTERVAL);
+    return {
+        interval,
+        customInterval,
+    };
+})(Form);
+
 export default flow([
     withTranslation(),
     reduxForm({ form: FORM_NAME.STATS_CONFIG }),

client/src/components/Settings/StatsConfig/index.js

@@ -4,13 +4,18 @@ import { withTranslation } from 'react-i18next';
 
 import Card from '../../ui/Card';
 import Form from './Form';
+import { HOUR } from '../../../helpers/constants';
 
 class StatsConfig extends Component {
-    handleFormSubmit = ({ enabled, interval, ignored }) => {
+    handleFormSubmit = ({
+        enabled, interval, ignored, customInterval,
+    }) => {
         const { t, interval: prevInterval } = this.props;
+        const newInterval = customInterval ? customInterval * HOUR : interval;
+
         const config = {
             enabled,
-            interval,
+            interval: newInterval,
             ignored: ignored ? ignored.split('\n') : [],
         };
 
@@ -33,7 +38,13 @@ class StatsConfig extends Component {
 
     render() {
         const {
-            t, interval, processing, processingReset, ignored, enabled,
+            t,
+            interval,
+            customInterval,
+            processing,
+            processingReset,
+            ignored,
+            enabled,
         } = this.props;
 
         return (
@@ -46,6 +57,7 @@ class StatsConfig extends Component {
                     <Form
                         initialValues={{
                             interval,
+                            customInterval,
                             enabled,
                             ignored: ignored.join('\n'),
                         }}
@@ -62,6 +74,7 @@ class StatsConfig extends Component {
 
 StatsConfig.propTypes = {
     interval: PropTypes.number.isRequired,
+    customInterval: PropTypes.number,
     ignored: PropTypes.array.isRequired,
     enabled: PropTypes.bool.isRequired,
     processing: PropTypes.bool.isRequired,

client/src/components/Settings/index.js

@@ -124,6 +124,7 @@ class Settings extends Component {
                                     enabled={queryLogs.enabled}
                                     ignored={queryLogs.ignored}
                                     interval={queryLogs.interval}
+                                    customInterval={queryLogs.customInterval}
                                     anonymize_client_ip={queryLogs.anonymize_client_ip}
                                     processing={queryLogs.processingSetConfig}
                                     processingClear={queryLogs.processingClear}
@@ -134,6 +135,7 @@ class Settings extends Component {
                             <div className="col-md-12">
                                 <StatsConfig
                                     interval={stats.interval}
+                                    customInterval={stats.customInterval}
                                     ignored={stats.ignored}
                                     enabled={stats.enabled}
                                     processing={stats.processingSetConfig}
@@ -166,6 +168,7 @@ Settings.propTypes = {
     stats: PropTypes.shape({
         processingGetConfig: PropTypes.bool,
         interval: PropTypes.number,
+        customInterval: PropTypes.number,
         enabled: PropTypes.bool,
         ignored: PropTypes.array,
         processingSetConfig: PropTypes.bool,
@@ -174,6 +177,7 @@ Settings.propTypes = {
     queryLogs: PropTypes.shape({
         enabled: PropTypes.bool,
         interval: PropTypes.number,
+        customInterval: PropTypes.number,
         anonymize_client_ip: PropTypes.bool,
         processingSetConfig: PropTypes.bool,
         processingClear: PropTypes.bool,

client/src/components/ui/Footer.js

@@ -1,4 +1,4 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { useDispatch, useSelector } from 'react-redux';
 import cn from 'classnames';
@@ -33,16 +33,14 @@ const Footer = () => {
     const { t } = useTranslation();
     const dispatch = useDispatch();
 
-    const currentTheme = useSelector((state) => (state.dashboard ? state.dashboard.theme : 'auto'));
-    const profileName = useSelector((state) => (state.dashboard ? state.dashboard.name : ''));
+    const currentTheme = useSelector((state) => (
+        state.dashboard ? state.dashboard.theme : THEMES.auto
+    ));
+    const profileName = useSelector((state) => (
+        state.dashboard ? state.dashboard.name : ''
+    ));
     const isLoggedIn = profileName !== '';
-    const [currentThemeLocal, setCurrentThemeLocal] = useState('auto');
-
-    useEffect(() => {
-        if (!isLoggedIn) {
-            setUITheme(window.matchMedia('(prefers-color-scheme: dark)').matches ? THEMES.dark : THEMES.light);
-        }
-    }, []);
+    const [currentThemeLocal, setCurrentThemeLocal] = useState(THEMES.auto);
 
     const getYear = () => {
         const today = new Date();

client/src/components/ui/Overlay.css

@@ -13,7 +13,7 @@
     font-size: 28px;
     font-weight: 600;
     text-align: center;
-    background-color: rgba(255, 255, 255, 0.8);
+    background-color: var(--rt-nodata-bgcolor);
 }
 
 .overlay--visible {

client/src/helpers/constants.js

@@ -220,6 +220,12 @@ export const STATS_INTERVALS_DAYS = [DAY, DAY * 7, DAY * 30, DAY * 90];
 
 export const QUERY_LOG_INTERVALS_DAYS = [HOUR * 6, DAY, DAY * 7, DAY * 30, DAY * 90];
 
+export const RETENTION_CUSTOM = 1;
+
+export const RETENTION_CUSTOM_INPUT = 'custom_retention_input';
+
+export const CUSTOM_INTERVAL = 'customInterval';
+
 export const FILTERS_INTERVALS_HOURS = [0, 1, 12, 24, 72, 168];
 
 // Note that translation strings contain these modes (blocking_mode_CONSTANT)
@@ -462,6 +468,11 @@ export const UINT32_RANGE = {
     MAX: 4294967295,
 };
 
+export const RETENTION_RANGE = {
+    MIN: 1,
+    MAX: 365 * 24,
+};
+
 export const DHCP_VALUES_PLACEHOLDERS = {
     ipv4: {
         subnet_mask: '255.255.255.0',
@@ -537,3 +548,5 @@ export const DISABLE_PROTECTION_TIMINGS = {
     HOUR: 60 * 60 * 1000,
     TOMORROW: 24 * 60 * 60 * 1000,
 };
+
+export const LOCAL_STORAGE_THEME_KEY = 'account_theme';

client/src/helpers/helpers.js

@@ -25,6 +25,8 @@ import {
     STANDARD_HTTPS_PORT,
     STANDARD_WEB_PORT,
     SPECIAL_FILTER_ID,
+    THEMES,
+    LOCAL_STORAGE_THEME_KEY,
 } from './constants';
 
 /**
@@ -678,13 +680,61 @@ export const setHtmlLangAttr = (language) => {
     window.document.documentElement.lang = language;
 };
 
+/**
+ * Set local storage field
+ *
+ * @param {string} key
+ * @param {string} value
+ */
+
+export const setStorageItem = (key, value) => {
+    if (window.localStorage) {
+        window.localStorage.setItem(key, value);
+    }
+};
+
+/**
+ * Get local storage field
+ *
+ * @param {string} key
+ */
+
+export const getStorageItem = (key) => (window.localStorage
+    ? window.localStorage.getItem(key)
+    : null);
+
+/**
+ * Set local storage theme field
+ *
+ * @param {string} theme
+ */
+
+export const setTheme = (theme) => {
+    setStorageItem(LOCAL_STORAGE_THEME_KEY, theme);
+};
+
+/**
+ * Get local storage theme field
+ *
+ * @returns {string}
+ */
+
+export const getTheme = () => getStorageItem(LOCAL_STORAGE_THEME_KEY) || THEMES.light;
+
 /**
  * Sets UI theme.
  *
  * @param theme
  */
 export const setUITheme = (theme) => {
-    document.body.dataset.theme = theme;
+    let currentTheme = theme || getTheme();
+
+    if (currentTheme === THEMES.auto) {
+        const prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+        currentTheme = prefersDark ? THEMES.dark : THEMES.light;
+    }
+    setTheme(currentTheme);
+    document.body.dataset.theme = currentTheme;
 };
 
 /**

client/src/helpers/trackers/trackers.json

@@ -1,5 +1,5 @@
 {
-    "timeUpdated": "2023-03-29T00:10:35.167Z",
+    "timeUpdated": "2023-04-06T10:46:09.881Z",
     "categories": {
         "0": "audio_video_player",
         "1": "comments",
@@ -24192,4 +24192,4 @@
         "3gppnetwork.org": "3gpp",
         "3gpp.org": "3gpp"
     }
-}
+}

client/src/login/Login/index.js

@@ -8,6 +8,7 @@ import * as actionCreators from '../../actions/login';
 import logo from '../../components/ui/svg/logo.svg';
 import Toasts from '../../components/Toasts';
 import Footer from '../../components/ui/Footer';
+import Icons from '../../components/ui/Icons';
 import Form from './Form';
 
 import './Login.css';
@@ -69,6 +70,7 @@ class Login extends Component {
                 </div>
                 <Footer />
                 <Toasts />
+                <Icons />
             </div>
         );
     }

client/src/reducers/dashboard.js

@@ -177,7 +177,7 @@ const dashboard = handleActions(
         autoClients: [],
         supportedTags: [],
         name: '',
-        theme: 'auto',
+        theme: undefined,
         checkUpdateFlag: false,
     },
 );

client/src/reducers/queryLogs.js

@@ -1,7 +1,9 @@
 import { handleActions } from 'redux-actions';
 
 import * as actions from '../actions/queryLogs';
-import { DEFAULT_LOGS_FILTER, DAY } from '../helpers/constants';
+import {
+    DEFAULT_LOGS_FILTER, DAY, QUERY_LOG_INTERVALS_DAYS, HOUR,
+} from '../helpers/constants';
 
 const queryLogs = handleActions(
     {
@@ -59,6 +61,9 @@ const queryLogs = handleActions(
         [actions.getLogsConfigSuccess]: (state, { payload }) => ({
             ...state,
             ...payload,
+            customInterval: !QUERY_LOG_INTERVALS_DAYS.includes(payload.interval)
+                ? payload.interval / HOUR
+                : null,
             processingGetConfig: false,
         }),
 
@@ -95,6 +100,7 @@ const queryLogs = handleActions(
         anonymize_client_ip: false,
         isDetailed: true,
         isEntireLog: false,
+        customInterval: null,
     },
 );
 

client/src/reducers/stats.js

@@ -1,6 +1,6 @@
 import { handleActions } from 'redux-actions';
 import { normalizeTopClients } from '../helpers/helpers';
-import { DAY } from '../helpers/constants';
+import { DAY, HOUR, STATS_INTERVALS_DAYS } from '../helpers/constants';
 
 import * as actions from '../actions/stats';
 
@@ -27,6 +27,9 @@ const stats = handleActions(
         [actions.getStatsConfigSuccess]: (state, { payload }) => ({
             ...state,
             ...payload,
+            customInterval: !STATS_INTERVALS_DAYS.includes(payload.interval)
+                ? payload.interval / HOUR
+                : null,
             processingGetConfig: false,
         }),
 
@@ -93,6 +96,7 @@ const stats = handleActions(
         processingStats: true,
         processingReset: false,
         interval: DAY,
+        customInterval: null,
         ...defaultStats,
     },
 );

docker/dns-bind.awk

@@ -4,19 +4,26 @@
 
 /^[[:space:]]+- .+/ {
     if (FNR - prev_line == 1) {
-        addrs[addrsnum++] = $2
+        addrs[$2] = true
         prev_line = FNR
+
+        if ($2 == "0.0.0.0" || $2 == "'::'") {
+            # Drop all the other addresses.
+            delete addrs
+            addrs[""] = true
+            prev_line = -1
+        }
     }
 }
 
 /^[[:space:]]+port:/ { if (is_dns) port = $2 }
 
 END {
-    for (i in addrs) {
-        if (match(addrs[i], ":")) {
-            print "[" addrs[i] "]:" port
+    for (addr in addrs) {
+        if (match(addr, ":")) {
+            print "[" addr "]:" port
         } else {
-            print addrs[i] ":" port
+            print addr ":" port
         }
     }
-}
+}

docker/healthcheck.sh

@@ -61,8 +61,11 @@ then
     error_exit "no DNS bindings could be retrieved from $filename"
 fi
 
+first_dns="$( echo "$dns_hosts" | head -n 1 )"
+readonly first_dns
+
 # TODO(e.burkov):  Deal with 0 port.
-case "$( echo "$dns_hosts" | head -n 1 )"
+case "$first_dns"
 in
 (*':0')
     error_exit '0 in DNS port is not supported by healthcheck'
@@ -82,8 +85,23 @@ esac
 # See https://github.com/AdguardTeam/AdGuardHome/issues/5642.
 wget --no-check-certificate "$web_url" -O /dev/null -q || exit 1
 
-echo "$dns_hosts" | while read -r host
-do
-    nslookup -type=a healthcheck.adguardhome.test. "$host" > /dev/null ||\
+test_fqdn="healthcheck.adguardhome.test."
+readonly test_fqdn
+
+# The awk script currently returns only port prefixed with colon in case of
+# unspecified address.
+case "$first_dns"
+in
+(':'*)
+    nslookup -type=a "$test_fqdn" "127.0.0.1${first_dns}" > /dev/null ||\
+    nslookup -type=a "$test_fqdn" "[::1]${first_dns}" > /dev/null ||\
         error_exit "nslookup failed for $host"
-done
+    ;;
+(*)
+    echo "$dns_hosts" | while read -r host
+    do
+        nslookup -type=a "$test_fqdn" "$host" > /dev/null ||\
+            error_exit "nslookup failed for $host"
+    done
+    ;;
+esac

docker/web-bind.awk

@@ -10,4 +10,4 @@ END {
      } else {
         print "http://" host ":" port
     }
-}
+}

go.mod

@@ -3,11 +3,11 @@ module github.com/AdguardTeam/AdGuardHome
 go 1.19
 
 require (
-	github.com/AdguardTeam/dnsproxy v0.48.3
-	github.com/AdguardTeam/golibs v0.13.1
+	github.com/AdguardTeam/dnsproxy v0.49.1
+	github.com/AdguardTeam/golibs v0.13.2
 	github.com/AdguardTeam/urlfilter v0.16.1
 	github.com/NYTimes/gziphandler v1.1.1
-	github.com/ameshkov/dnscrypt/v2 v2.2.6
+	github.com/ameshkov/dnscrypt/v2 v2.2.7
 	github.com/digineo/go-ipset/v2 v2.2.1
 	github.com/dimfeld/httptreemux/v5 v5.5.0
 	github.com/fsnotify/fsnotify v1.6.0
@@ -17,19 +17,23 @@ require (
 	github.com/google/renameio v1.0.1
 	github.com/google/uuid v1.3.0
 	github.com/insomniacslk/dhcp v0.0.0-20221215072855-de60144f33f8
+	github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86
 	github.com/kardianos/service v1.2.2
 	github.com/mdlayher/ethernet v0.0.0-20220221185849-529eae5b6118
 	github.com/mdlayher/netlink v1.7.1
 	github.com/mdlayher/packet v1.1.1
+	// TODO(a.garipov): This package is deprecated; find a new one or use our
+	// own code for that.  Perhaps, use gopacket.
+	github.com/mdlayher/raw v0.1.0
 	github.com/miekg/dns v1.1.53
 	github.com/quic-go/quic-go v0.33.0
 	github.com/stretchr/testify v1.8.2
 	github.com/ti-mo/netfilter v0.5.0
 	go.etcd.io/bbolt v1.3.7
-	golang.org/x/crypto v0.7.0
+	golang.org/x/crypto v0.8.0
 	golang.org/x/exp v0.0.0-20230321023759-10a507213a29
-	golang.org/x/net v0.8.0
-	golang.org/x/sys v0.6.0
+	golang.org/x/net v0.9.0
+	golang.org/x/sys v0.7.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 	howett.net/plist v1.0.0
@@ -44,9 +48,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/golang/mock v1.6.0 // indirect
-	github.com/google/pprof v0.0.0-20230323073829-e72429f035bd // indirect
-	github.com/josharian/native v1.1.0 // indirect
-	github.com/mdlayher/raw v0.1.0 // indirect
+	github.com/google/pprof v0.0.0-20230406165453-00490a63f317 // indirect
 	github.com/mdlayher/socket v0.4.0 // indirect
 	github.com/onsi/ginkgo/v2 v2.9.2 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
@@ -54,11 +56,11 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/quic-go/qpack v0.4.0 // indirect
-	github.com/quic-go/qtls-go1-19 v0.3.0 // indirect
-	github.com/quic-go/qtls-go1-20 v0.2.0 // indirect
+	github.com/quic-go/qtls-go1-19 v0.3.2 // indirect
+	github.com/quic-go/qtls-go1-20 v0.2.2 // indirect
 	github.com/u-root/uio v0.0.0-20230305220412-3e8cd9d6bf63 // indirect
-	golang.org/x/mod v0.9.0 // indirect
+	golang.org/x/mod v0.10.0 // indirect
 	golang.org/x/sync v0.1.0 // indirect
-	golang.org/x/text v0.8.0 // indirect
-	golang.org/x/tools v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/tools v0.8.0 // indirect
 )

go.sum

@@ -1,9 +1,9 @@
-github.com/AdguardTeam/dnsproxy v0.48.3 h1:h9xgDSmd1MqsPFNApyaPVXolmSTtzOWOcfWvPeDEP6s=
-github.com/AdguardTeam/dnsproxy v0.48.3/go.mod h1:Y7g7jRTd/u7+KJ/QvnGI2PCE8vnisp6EsW47/Sz0DZw=
+github.com/AdguardTeam/dnsproxy v0.49.1 h1:JpStBK05uCgA3ldleaNLRmIwE9V7vRg7/kVJQSdnQYg=
+github.com/AdguardTeam/dnsproxy v0.49.1/go.mod h1:Y7g7jRTd/u7+KJ/QvnGI2PCE8vnisp6EsW47/Sz0DZw=
 github.com/AdguardTeam/golibs v0.4.0/go.mod h1:skKsDKIBB7kkFflLJBpfGX+G8QFTx0WKUzB6TIgtUj4=
 github.com/AdguardTeam/golibs v0.10.4/go.mod h1:rSfQRGHIdgfxriDDNgNJ7HmE5zRoURq8R+VdR81Zuzw=
-github.com/AdguardTeam/golibs v0.13.1 h1:x6ChoXk2jborbCWJ01TyBAEY3SilHts0SCG7yjnf6Sc=
-github.com/AdguardTeam/golibs v0.13.1/go.mod h1:7ylQLv2Lqsc3UW3jHoITynYk6Y1tYtgEMkR09ppfsN8=
+github.com/AdguardTeam/golibs v0.13.2 h1:BPASsyQKmb+b8VnvsNOHp7bKfcZl9Z+Z2UhPjOiupSc=
+github.com/AdguardTeam/golibs v0.13.2/go.mod h1:7ylQLv2Lqsc3UW3jHoITynYk6Y1tYtgEMkR09ppfsN8=
 github.com/AdguardTeam/gomitmproxy v0.2.0/go.mod h1:Qdv0Mktnzer5zpdpi5rAwixNJzW2FN91LjKJCkVbYGU=
 github.com/AdguardTeam/urlfilter v0.16.1 h1:ZPi0rjqo8cQf2FVdzo6cqumNoHZx2KPXj2yZa1A5BBw=
 github.com/AdguardTeam/urlfilter v0.16.1/go.mod h1:46YZDOV1+qtdRDuhZKVPSSp7JWWes0KayqHrKAFBdEI=
@@ -15,8 +15,8 @@ github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmH
 github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA=
 github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635 h1:52m0LGchQBBVqJRyYYufQuIbVqRawmubW3OFGqK1ekw=
 github.com/aead/poly1305 v0.0.0-20180717145839-3fee0db0b635/go.mod h1:lmLxL+FV291OopO93Bwf9fQLQeLyt33VJRUg5VJ30us=
-github.com/ameshkov/dnscrypt/v2 v2.2.6 h1:rE7AFbPWebq7me7RVS66Cipd1m7ef1yf2+C8QzjQXXE=
-github.com/ameshkov/dnscrypt/v2 v2.2.6/go.mod h1:qPWhwz6FdSmuK7W4sMyvogrez4MWdtzosdqlr0Rg3ow=
+github.com/ameshkov/dnscrypt/v2 v2.2.7 h1:aEitLIR8HcxVodZ79mgRcCiC0A0I5kZPBuWGFwwulAw=
+github.com/ameshkov/dnscrypt/v2 v2.2.7/go.mod h1:qPWhwz6FdSmuK7W4sMyvogrez4MWdtzosdqlr0Rg3ow=
 github.com/ameshkov/dnsstamps v1.0.3 h1:Srzik+J9mivH1alRACTbys2xOxs0lRH9qnTA7Y1OYVo=
 github.com/ameshkov/dnsstamps v1.0.3/go.mod h1:Ii3eUu73dx4Vw5O4wjzmT5+lkCwovjzaEZZ4gKyIH5A=
 github.com/beefsack/go-rate v0.0.0-20220214233405-116f4ca011a0 h1:0b2vaepXIfMsG++IsjHiI2p4bxALD1Y2nQKGMR5zDQM=
@@ -55,8 +55,8 @@ github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gopacket v1.1.19 h1:ves8RnFZPGiFnTS0uPQStjwru6uO6h+nlr9j6fL7kF8=
 github.com/google/gopacket v1.1.19/go.mod h1:iJ8V8n6KS+z2U1A8pUwu8bW5SyEMkXJB8Yo/Vo+TKTo=
-github.com/google/pprof v0.0.0-20230323073829-e72429f035bd h1:r8yyd+DJDmsUhGrRBxH5Pj7KeFK5l+Y3FsgT8keqKtk=
-github.com/google/pprof v0.0.0-20230323073829-e72429f035bd/go.mod h1:79YE0hCXdHag9sBkw2o+N/YnZtTkXi0UT9Nnixa5eYk=
+github.com/google/pprof v0.0.0-20230406165453-00490a63f317 h1:hFhpt7CTmR3DX+b4R19ydQFtofxT0Sv3QsKNMVQYTMQ=
+github.com/google/pprof v0.0.0-20230406165453-00490a63f317/go.mod h1:79YE0hCXdHag9sBkw2o+N/YnZtTkXi0UT9Nnixa5eYk=
 github.com/google/renameio v1.0.1 h1:Lh/jXZmvZxb0BBeSY5VKEfidcbcbenKjZFzM/q0fSeU=
 github.com/google/renameio v1.0.1/go.mod h1:t/HQoYBZSsWSNK35C6CO/TpPLDVWvxOHboWUAweKUpk=
 github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -70,8 +70,8 @@ github.com/insomniacslk/dhcp v0.0.0-20221215072855-de60144f33f8/go.mod h1:m5WMe0
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/josharian/native v1.0.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
 github.com/josharian/native v1.0.1-0.20221213033349-c1e37c09b531/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
-github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtLA=
-github.com/josharian/native v1.1.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
+github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86 h1:elKwZS1OcdQ0WwEDBeqxKwb7WB62QX8bvZ/FJnVXIfk=
+github.com/josharian/native v1.1.1-0.20230202152459-5c7d0dd6ab86/go.mod h1:aFAMtuldEgx/4q7iSGazk22+IcgvtiC+HIimFO9XlS8=
 github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
 github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
 github.com/jsimonetti/rtnetlink v0.0.0-20201009170750-9c6f07d100c1/go.mod h1:hqoO/u39cqLeBLebZ8fWdE96O7FxrAsRYhnVOdgHxok=
@@ -123,10 +123,10 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/quic-go/qpack v0.4.0 h1:Cr9BXA1sQS2SmDUWjSofMPNKmvF6IiIfDRmgU0w1ZCo=
 github.com/quic-go/qpack v0.4.0/go.mod h1:UZVnYIfi5GRk+zI9UMaCPsmZ2xKJP7XBUvVyT1Knj9A=
-github.com/quic-go/qtls-go1-19 v0.3.0 h1:aUBoQdpHzUWtPw5tQZbsD2GnrWCNu7/RIX1PtqGeLYY=
-github.com/quic-go/qtls-go1-19 v0.3.0/go.mod h1:ySOI96ew8lnoKPtSqx2BlI5wCpUVPT05RMAlajtnyOI=
-github.com/quic-go/qtls-go1-20 v0.2.0 h1:jUHn+obJ6WI5JudqBO0Iy1ra5Vh5vsitQ1gXQvkmN+E=
-github.com/quic-go/qtls-go1-20 v0.2.0/go.mod h1:JKtK6mjbAVcUTN/9jZpvLbGxvdWIKS8uT7EiStoU1SM=
+github.com/quic-go/qtls-go1-19 v0.3.2 h1:tFxjCFcTQzK+oMxG6Zcvp4Dq8dx4yD3dDiIiyc86Z5U=
+github.com/quic-go/qtls-go1-19 v0.3.2/go.mod h1:ySOI96ew8lnoKPtSqx2BlI5wCpUVPT05RMAlajtnyOI=
+github.com/quic-go/qtls-go1-20 v0.2.2 h1:WLOPx6OY/hxtTxKV1Zrq20FtXtDEkeY00CGQm8GEa3E=
+github.com/quic-go/qtls-go1-20 v0.2.2/go.mod h1:JKtK6mjbAVcUTN/9jZpvLbGxvdWIKS8uT7EiStoU1SM=
 github.com/quic-go/quic-go v0.33.0 h1:ItNoTDN/Fm/zBlq769lLJc8ECe9gYaW40veHCCco7y0=
 github.com/quic-go/quic-go v0.33.0/go.mod h1:YMuhaAV9/jIu0XclDXwZPAsP/2Kgr5yMYhe9oxhhOFA=
 github.com/shirou/gopsutil/v3 v3.21.8 h1:nKct+uP0TV8DjjNiHanKf8SAuub+GNsbrOtM9Nl9biA=
@@ -161,15 +161,15 @@ go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.7.0 h1:AvwMYaRytfdeVt3u6mLaxYtErKYjxA2OXjJ1HHq6t3A=
-golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU=
+golang.org/x/crypto v0.8.0 h1:pd9TJtTueMTVQXzk8E2XESSMQDj/U7OUu0PqJqPXQjQ=
+golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
 golang.org/x/exp v0.0.0-20230321023759-10a507213a29 h1:ooxPy7fPvB4kwsA2h+iBNHkAbp/4JxTSwCmvdjEYmug=
 golang.org/x/exp v0.0.0-20230321023759-10a507213a29/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
-golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.10.0 h1:lFO9qtOdlre5W1jxS3r/4szv2/6iXxScdzjoBMXNhYk=
+golang.org/x/mod v0.10.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190419010253-1f3472d942ba/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -185,8 +185,8 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210929193557-e81a3d93ecf6/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
-golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/net v0.9.0 h1:aWJ/m6xSmxWBx+V0XRHTlrYrPG56jKsLdTFmsSsCzOM=
+golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
@@ -218,23 +218,24 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220209214540-3681064d5158/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220622161953-175b2fd9d664/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.4.1-0.20230131160137-e7d7f63158de/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
+golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
-golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
+golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
-golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
+golang.org/x/tools v0.8.0 h1:vSDcovVPld282ceKgDimkRSC8kpaH1dgyc9UMzlt84Y=
+golang.org/x/tools v0.8.0/go.mod h1:JxBZ99ISMI5ViVkT1tr6tdNmXeTrcpVSD3vZ1RsRdN4=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

internal/aghhttp/aghhttp.go

@@ -8,6 +8,7 @@ import (
 	"net/http"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/version"
+	"github.com/AdguardTeam/golibs/httphdr"
 	"github.com/AdguardTeam/golibs/log"
 )
 
@@ -52,7 +53,7 @@ const textPlainDeprMsg = `using this api with the text/plain content-type is dep
 // deprecation and removal of a plain-text API if the request is made with the
 // "text/plain" content-type.
 func WriteTextPlainDeprecated(w http.ResponseWriter, r *http.Request) (isPlainText bool) {
-	if r.Header.Get(HdrNameContentType) != HdrValTextPlain {
+	if r.Header.Get(httphdr.ContentType) != HdrValTextPlain {
 		return false
 	}
 
@@ -71,8 +72,8 @@ func WriteJSONResponse(w http.ResponseWriter, r *http.Request, resp any) (err er
 // WriteJSONResponseCode is like [WriteJSONResponse] but adds the ability to
 // redefine the status code.
 func WriteJSONResponseCode(w http.ResponseWriter, r *http.Request, code int, resp any) (err error) {
+	w.Header().Set(httphdr.ContentType, HdrValApplicationJSON)
 	w.WriteHeader(code)
-	w.Header().Set(HdrNameContentType, HdrValApplicationJSON)
 	err = json.NewEncoder(w).Encode(resp)
 	if err != nil {
 		Error(r, w, http.StatusInternalServerError, "encoding resp: %s", err)

internal/aghhttp/header.go

@@ -1,22 +1,6 @@
 package aghhttp
 
-// HTTP Headers
-
-// HTTP header name constants.
-//
-// TODO(a.garipov): Remove unused.
-const (
-	HdrNameAcceptEncoding           = "Accept-Encoding"
-	HdrNameAccessControlAllowOrigin = "Access-Control-Allow-Origin"
-	HdrNameAltSvc                   = "Alt-Svc"
-	HdrNameContentEncoding          = "Content-Encoding"
-	HdrNameContentType              = "Content-Type"
-	HdrNameOrigin                   = "Origin"
-	HdrNameServer                   = "Server"
-	HdrNameTrailer                  = "Trailer"
-	HdrNameUserAgent                = "User-Agent"
-	HdrNameVary                     = "Vary"
-)
+// HTTP headers
 
 // HTTP header value constants.
 const (

internal/aghnet/testdata/etc_hosts

@@ -35,4 +35,4 @@
 1.3.5.7 domain4 domain4.alias
 7.5.3.1 domain4.alias domain4
 ::13    domain6 domain6.alias
-::31    domain6.alias domain6
+::31    domain6.alias domain6

internal/aghnet/testdata/ifaces

@@ -1 +1 @@
-iface sample_name inet static
+iface sample_name inet static

internal/aghnet/testdata/include-subsources

@@ -2,4 +2,4 @@
 # parent directory.  Real interface files usually contain only absolute paths.
 
 source ./testdata/ifaces
-source ./testdata/*
+source ./testdata/*

internal/aghnet/testdata/proc_net_arp

@@ -3,4 +3,4 @@ IP address     HW type     Flags       HW address            Mask     Device
 ::ffff:ffff    0x1         0x0         ef:cd:ab:ef:cd:ab     *        br-lan
 0.0.0.0        0x0         0x0         00:00:00:00:00:00     *        unspec
 1.2.3.4.5      0x1         0x2         aa:bb:cc:dd:ee:ff     *        wan
-1.2.3.4        0x1         0x2         12:34:56:78:910       *        wan
+1.2.3.4        0x1         0x2         12:34:56:78:910       *        wan

internal/aghos/endian_big.go

@@ -1,10 +0,0 @@
-//go:build mips || mips64
-
-// This file is an adapted version of github.com/josharian/native.
-
-package aghos
-
-import "encoding/binary"
-
-// NativeEndian is the native endianness of this system.
-var NativeEndian = binary.BigEndian

internal/aghos/endian_little.go

@@ -1,10 +0,0 @@
-//go:build amd64 || 386 || arm || arm64 || mipsle || mips64le || ppc64le
-
-// This file is an adapted version of github.com/josharian/native.
-
-package aghos
-
-import "encoding/binary"
-
-// NativeEndian is the native endianness of this system.
-var NativeEndian = binary.LittleEndian

internal/aghos/service.go

@@ -0,0 +1,6 @@
+package aghos
+
+// PreCheckActionStart performs the service start action pre-check.
+func PreCheckActionStart() (err error) {
+	return preCheckActionStart()
+}

internal/aghos/service_darwin.go

@@ -0,0 +1,32 @@
+//go:build darwin
+
+package aghos
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/AdguardTeam/golibs/log"
+)
+
+// preCheckActionStart performs the service start action pre-check.  It warns
+// user that the service should be installed into Applications directory.
+func preCheckActionStart() (err error) {
+	exe, err := os.Executable()
+	if err != nil {
+		return fmt.Errorf("getting executable path: %v", err)
+	}
+
+	exe, err = filepath.EvalSymlinks(exe)
+	if err != nil {
+		return fmt.Errorf("evaluating executable symlinks: %v", err)
+	}
+
+	if !strings.HasPrefix(exe, "/Applications/") {
+		log.Info("warning: service must be started from within the /Applications directory")
+	}
+
+	return err
+}

internal/aghos/service_others.go

@@ -0,0 +1,8 @@
+//go:build !darwin
+
+package aghos
+
+// preCheckActionStart performs the service start action pre-check.
+func preCheckActionStart() (err error) {
+	return nil
+}

internal/dhcpd/config.go

@@ -31,8 +31,16 @@ type ServerConfig struct {
 	Conf4 V4ServerConf `yaml:"dhcpv4"`
 	Conf6 V6ServerConf `yaml:"dhcpv6"`
 
-	WorkDir    string `yaml:"-"`
-	DBFilePath string `yaml:"-"`
+	// WorkDir is used to store DHCP leases.
+	//
+	// Deprecated:  Remove it when migration of DHCP leases will not be needed.
+	WorkDir string `yaml:"-"`
+
+	// DataDir is used to store DHCP leases.
+	DataDir string `yaml:"-"`
+
+	// dbFilePath is the path to the file with stored DHCP leases.
+	dbFilePath string `yaml:"-"`
 }
 
 // DHCPServer - DHCP server interface

internal/dhcpd/conn_darwin.go

@@ -0,0 +1,293 @@
+//go:build darwin
+
+package dhcpd
+
+import (
+	"fmt"
+	"net"
+	"os"
+	"time"
+
+	"github.com/AdguardTeam/golibs/errors"
+	"github.com/AdguardTeam/golibs/log"
+	"github.com/AdguardTeam/golibs/netutil"
+	"github.com/google/gopacket"
+	"github.com/google/gopacket/layers"
+	"github.com/insomniacslk/dhcp/dhcpv4"
+	"github.com/insomniacslk/dhcp/dhcpv4/server4"
+	"github.com/mdlayher/ethernet"
+
+	//lint:ignore SA1019 See the TODO in go.mod.
+	"github.com/mdlayher/raw"
+)
+
+// dhcpUnicastAddr is the combination of MAC and IP addresses for responding to
+// the unconfigured host.
+type dhcpUnicastAddr struct {
+	// raw.Addr is embedded here to make *dhcpUcastAddr a net.Addr without
+	// actually implementing all methods.  It also contains the client's
+	// hardware address.
+	raw.Addr
+
+	// yiaddr is an IP address just allocated by server for the host.
+	yiaddr net.IP
+}
+
+// dhcpConn is the net.PacketConn capable of handling both net.UDPAddr and
+// net.HardwareAddr.
+type dhcpConn struct {
+	// udpConn is the connection for UDP addresses.
+	udpConn net.PacketConn
+	// bcastIP is the broadcast address specific for the configured
+	// interface's subnet.
+	bcastIP net.IP
+
+	// rawConn is the connection for MAC addresses.
+	rawConn net.PacketConn
+	// srcMAC is the hardware address of the configured network interface.
+	srcMAC net.HardwareAddr
+	// srcIP is the IP address  of the configured network interface.
+	srcIP net.IP
+}
+
+// newDHCPConn creates the special connection for DHCP server.
+func (s *v4Server) newDHCPConn(iface *net.Interface) (c net.PacketConn, err error) {
+	var ucast net.PacketConn
+	if ucast, err = raw.ListenPacket(iface, uint16(ethernet.EtherTypeIPv4), nil); err != nil {
+		return nil, fmt.Errorf("creating raw udp connection: %w", err)
+	}
+
+	// Create the UDP connection.
+	var bcast net.PacketConn
+	bcast, err = server4.NewIPv4UDPConn(iface.Name, &net.UDPAddr{
+		// TODO(e.burkov):  Listening on zeroes makes the server handle
+		// requests from all the interfaces.  Inspect the ways to
+		// specify the interface-specific listening addresses.
+		//
+		// See https://github.com/AdguardTeam/AdGuardHome/issues/3539.
+		IP:   net.IP{0, 0, 0, 0},
+		Port: dhcpv4.ServerPort,
+	})
+	if err != nil {
+		return nil, fmt.Errorf("creating ipv4 udp connection: %w", err)
+	}
+
+	return &dhcpConn{
+		udpConn: bcast,
+		bcastIP: s.conf.broadcastIP.AsSlice(),
+		rawConn: ucast,
+		srcMAC:  iface.HardwareAddr,
+		srcIP:   s.conf.dnsIPAddrs[0].AsSlice(),
+	}, nil
+}
+
+// wrapErrs is a helper to wrap the errors from two independent underlying
+// connections.
+func (*dhcpConn) wrapErrs(action string, udpConnErr, rawConnErr error) (err error) {
+	switch {
+	case udpConnErr != nil && rawConnErr != nil:
+		return errors.List(fmt.Sprintf("%s both connections", action), udpConnErr, rawConnErr)
+	case udpConnErr != nil:
+		return fmt.Errorf("%s udp connection: %w", action, udpConnErr)
+	case rawConnErr != nil:
+		return fmt.Errorf("%s raw connection: %w", action, rawConnErr)
+	default:
+		return nil
+	}
+}
+
+// WriteTo implements net.PacketConn for *dhcpConn.  It selects the underlying
+// connection to write to based on the type of addr.
+func (c *dhcpConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
+	switch addr := addr.(type) {
+	case *dhcpUnicastAddr:
+		// Unicast the message to the client's MAC address.  Use the raw
+		// connection.
+		//
+		// Note: unicasting is performed on the only network interface
+		// that is configured.  For now it may be not what users expect
+		// so additionally broadcast the message via UDP connection.
+		//
+		// See https://github.com/AdguardTeam/AdGuardHome/issues/3539.
+		var rerr error
+		n, rerr = c.unicast(p, addr)
+
+		_, uerr := c.broadcast(p, &net.UDPAddr{
+			IP:   netutil.IPv4bcast(),
+			Port: dhcpv4.ClientPort,
+		})
+
+		return n, c.wrapErrs("writing to", uerr, rerr)
+	case *net.UDPAddr:
+		if addr.IP.Equal(net.IPv4bcast) {
+			// Broadcast the message for the client which supports
+			// it.  Use the UDP connection.
+			return c.broadcast(p, addr)
+		}
+
+		// Unicast the message to the client's IP address.  Use the UDP
+		// connection.
+		return c.udpConn.WriteTo(p, addr)
+	default:
+		return 0, fmt.Errorf("addr has an unexpected type %T", addr)
+	}
+}
+
+// ReadFrom implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) ReadFrom(p []byte) (n int, addr net.Addr, err error) {
+	return c.udpConn.ReadFrom(p)
+}
+
+// unicast wraps respData with required frames and writes it to the peer.
+func (c *dhcpConn) unicast(respData []byte, peer *dhcpUnicastAddr) (n int, err error) {
+	var data []byte
+	data, err = c.buildEtherPkt(respData, peer)
+	if err != nil {
+		return 0, err
+	}
+
+	return c.rawConn.WriteTo(data, &peer.Addr)
+}
+
+// Close implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) Close() (err error) {
+	rerr := c.rawConn.Close()
+	if errors.Is(rerr, os.ErrClosed) {
+		// Ignore the error since the actual file is closed already.
+		rerr = nil
+	}
+
+	return c.wrapErrs("closing", c.udpConn.Close(), rerr)
+}
+
+// LocalAddr implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) LocalAddr() (a net.Addr) {
+	return c.udpConn.LocalAddr()
+}
+
+// SetDeadline implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) SetDeadline(t time.Time) (err error) {
+	return c.wrapErrs("setting deadline on", c.udpConn.SetDeadline(t), c.rawConn.SetDeadline(t))
+}
+
+// SetReadDeadline implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) SetReadDeadline(t time.Time) error {
+	return c.wrapErrs(
+		"setting reading deadline on",
+		c.udpConn.SetReadDeadline(t),
+		c.rawConn.SetReadDeadline(t),
+	)
+}
+
+// SetWriteDeadline implements net.PacketConn for *dhcpConn.
+func (c *dhcpConn) SetWriteDeadline(t time.Time) error {
+	return c.wrapErrs(
+		"setting writing deadline on",
+		c.udpConn.SetWriteDeadline(t),
+		c.rawConn.SetWriteDeadline(t),
+	)
+}
+
+// ipv4DefaultTTL is the default Time to Live value in seconds as recommended by
+// RFC-1700.
+//
+// See https://datatracker.ietf.org/doc/html/rfc1700.
+const ipv4DefaultTTL = 64
+
+// buildEtherPkt wraps the payload with IPv4, UDP and Ethernet frames.
+// Validation of the payload is a caller's responsibility.
+func (c *dhcpConn) buildEtherPkt(payload []byte, peer *dhcpUnicastAddr) (pkt []byte, err error) {
+	udpLayer := &layers.UDP{
+		SrcPort: dhcpv4.ServerPort,
+		DstPort: dhcpv4.ClientPort,
+	}
+
+	ipv4Layer := &layers.IPv4{
+		Version:  uint8(layers.IPProtocolIPv4),
+		Flags:    layers.IPv4DontFragment,
+		TTL:      ipv4DefaultTTL,
+		Protocol: layers.IPProtocolUDP,
+		SrcIP:    c.srcIP,
+		DstIP:    peer.yiaddr,
+	}
+
+	// Ignore the error since it's only returned for invalid network layer's
+	// type.
+	_ = udpLayer.SetNetworkLayerForChecksum(ipv4Layer)
+
+	ethLayer := &layers.Ethernet{
+		SrcMAC:       c.srcMAC,
+		DstMAC:       peer.HardwareAddr,
+		EthernetType: layers.EthernetTypeIPv4,
+	}
+
+	buf := gopacket.NewSerializeBuffer()
+	setts := gopacket.SerializeOptions{
+		FixLengths:       true,
+		ComputeChecksums: true,
+	}
+
+	err = gopacket.SerializeLayers(
+		buf,
+		setts,
+		ethLayer,
+		ipv4Layer,
+		udpLayer,
+		gopacket.Payload(payload),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("serializing layers: %w", err)
+	}
+
+	return buf.Bytes(), nil
+}
+
+// send writes resp for peer to conn considering the req's parameters according
+// to RFC-2131.
+//
+// See https://datatracker.ietf.org/doc/html/rfc2131#section-4.1.
+func (s *v4Server) send(peer net.Addr, conn net.PacketConn, req, resp *dhcpv4.DHCPv4) {
+	switch giaddr, ciaddr, mtype := req.GatewayIPAddr, req.ClientIPAddr, resp.MessageType(); {
+	case giaddr != nil && !giaddr.IsUnspecified():
+		// Send any return messages to the server port on the BOOTP
+		// relay agent whose address appears in giaddr.
+		peer = &net.UDPAddr{
+			IP:   giaddr,
+			Port: dhcpv4.ServerPort,
+		}
+		if mtype == dhcpv4.MessageTypeNak {
+			// Set the broadcast bit in the DHCPNAK, so that the relay agent
+			// broadcasts it to the client, because the client may not have
+			// a correct network address or subnet mask, and the client may not
+			// be answering ARP requests.
+			resp.SetBroadcast()
+		}
+	case mtype == dhcpv4.MessageTypeNak:
+		// Broadcast any DHCPNAK messages to 0xffffffff.
+	case ciaddr != nil && !ciaddr.IsUnspecified():
+		// Unicast DHCPOFFER and DHCPACK messages to the address in
+		// ciaddr.
+		peer = &net.UDPAddr{
+			IP:   ciaddr,
+			Port: dhcpv4.ClientPort,
+		}
+	case !req.IsBroadcast() && req.ClientHWAddr != nil:
+		// Unicast DHCPOFFER and DHCPACK messages to the client's
+		// hardware address and yiaddr.
+		peer = &dhcpUnicastAddr{
+			Addr:   raw.Addr{HardwareAddr: req.ClientHWAddr},
+			yiaddr: resp.YourIPAddr,
+		}
+	default:
+		// Go on since peer is already set to broadcast.
+	}
+
+	pktData := resp.ToBytes()
+
+	log.Debug("dhcpv4: sending %d bytes to %s: %s", len(pktData), peer, resp.Summary())
+
+	_, err := conn.WriteTo(pktData, peer)
+	if err != nil {
+		log.Error("dhcpv4: conn.Write to %s failed: %s", peer, err)
+	}
+}

internal/dhcpd/conn_darwin_internal_test.go

@@ -0,0 +1,219 @@
+//go:build darwin
+
+package dhcpd
+
+import (
+	"net"
+	"testing"
+
+	"github.com/AdguardTeam/golibs/testutil"
+	"github.com/google/gopacket"
+	"github.com/google/gopacket/layers"
+	"github.com/insomniacslk/dhcp/dhcpv4"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	//lint:ignore SA1019 See the TODO in go.mod.
+	"github.com/mdlayher/raw"
+)
+
+func TestDHCPConn_WriteTo_common(t *testing.T) {
+	respData := (&dhcpv4.DHCPv4{}).ToBytes()
+	udpAddr := &net.UDPAddr{
+		IP:   net.IP{1, 2, 3, 4},
+		Port: dhcpv4.ClientPort,
+	}
+
+	t.Run("unicast_ip", func(t *testing.T) {
+		writeTo := func(_ []byte, addr net.Addr) (_ int, _ error) {
+			assert.Equal(t, udpAddr, addr)
+
+			return 0, nil
+		}
+
+		conn := &dhcpConn{udpConn: &fakePacketConn{writeTo: writeTo}}
+
+		_, err := conn.WriteTo(respData, udpAddr)
+		assert.NoError(t, err)
+	})
+
+	t.Run("unexpected_addr_type", func(t *testing.T) {
+		type unexpectedAddrType struct {
+			net.Addr
+		}
+
+		conn := &dhcpConn{}
+		n, err := conn.WriteTo(nil, &unexpectedAddrType{})
+		require.Error(t, err)
+
+		testutil.AssertErrorMsg(t, "addr has an unexpected type *dhcpd.unexpectedAddrType", err)
+		assert.Zero(t, n)
+	})
+}
+
+func TestBuildEtherPkt(t *testing.T) {
+	conn := &dhcpConn{
+		srcMAC: net.HardwareAddr{1, 2, 3, 4, 5, 6},
+		srcIP:  net.IP{1, 2, 3, 4},
+	}
+	peer := &dhcpUnicastAddr{
+		Addr:   raw.Addr{HardwareAddr: net.HardwareAddr{6, 5, 4, 3, 2, 1}},
+		yiaddr: net.IP{4, 3, 2, 1},
+	}
+	payload := (&dhcpv4.DHCPv4{}).ToBytes()
+
+	t.Run("success", func(t *testing.T) {
+		pkt, err := conn.buildEtherPkt(payload, peer)
+		require.NoError(t, err)
+
+		assert.NotEmpty(t, pkt)
+
+		actualPkt := gopacket.NewPacket(pkt, layers.LayerTypeEthernet, gopacket.DecodeOptions{
+			NoCopy: true,
+		})
+		require.NotNil(t, actualPkt)
+
+		wantTypes := []gopacket.LayerType{
+			layers.LayerTypeEthernet,
+			layers.LayerTypeIPv4,
+			layers.LayerTypeUDP,
+			layers.LayerTypeDHCPv4,
+		}
+		actualLayers := actualPkt.Layers()
+		require.Len(t, actualLayers, len(wantTypes))
+
+		for i, wantType := range wantTypes {
+			layer := actualLayers[i]
+			require.NotNil(t, layer)
+
+			assert.Equal(t, wantType, layer.LayerType())
+		}
+	})
+
+	t.Run("bad_payload", func(t *testing.T) {
+		// Create an invalid DHCP packet.
+		invalidPayload := []byte{1, 2, 3, 4}
+		pkt, err := conn.buildEtherPkt(invalidPayload, peer)
+		require.NoError(t, err)
+
+		assert.NotEmpty(t, pkt)
+	})
+
+	t.Run("serializing_error", func(t *testing.T) {
+		// Create a peer with invalid MAC.
+		badPeer := &dhcpUnicastAddr{
+			Addr:   raw.Addr{HardwareAddr: net.HardwareAddr{5, 4, 3, 2, 1}},
+			yiaddr: net.IP{4, 3, 2, 1},
+		}
+
+		pkt, err := conn.buildEtherPkt(payload, badPeer)
+		require.Error(t, err)
+
+		assert.Empty(t, pkt)
+	})
+}
+
+func TestV4Server_Send(t *testing.T) {
+	s := &v4Server{}
+
+	var (
+		defaultIP = net.IP{99, 99, 99, 99}
+		knownIP   = net.IP{4, 2, 4, 2}
+		knownMAC  = net.HardwareAddr{6, 5, 4, 3, 2, 1}
+	)
+
+	defaultPeer := &net.UDPAddr{
+		IP: defaultIP,
+		// Use neither client nor server port to check it actually
+		// changed.
+		Port: dhcpv4.ClientPort + dhcpv4.ServerPort,
+	}
+	defaultResp := &dhcpv4.DHCPv4{}
+
+	testCases := []struct {
+		want net.Addr
+		req  *dhcpv4.DHCPv4
+		resp *dhcpv4.DHCPv4
+		name string
+	}{{
+		name: "giaddr",
+		req:  &dhcpv4.DHCPv4{GatewayIPAddr: knownIP},
+		resp: defaultResp,
+		want: &net.UDPAddr{
+			IP:   knownIP,
+			Port: dhcpv4.ServerPort,
+		},
+	}, {
+		name: "nak",
+		req:  &dhcpv4.DHCPv4{},
+		resp: &dhcpv4.DHCPv4{
+			Options: dhcpv4.OptionsFromList(
+				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
+			),
+		},
+		want: defaultPeer,
+	}, {
+		name: "ciaddr",
+		req:  &dhcpv4.DHCPv4{ClientIPAddr: knownIP},
+		resp: &dhcpv4.DHCPv4{},
+		want: &net.UDPAddr{
+			IP:   knownIP,
+			Port: dhcpv4.ClientPort,
+		},
+	}, {
+		name: "chaddr",
+		req:  &dhcpv4.DHCPv4{ClientHWAddr: knownMAC},
+		resp: &dhcpv4.DHCPv4{YourIPAddr: knownIP},
+		want: &dhcpUnicastAddr{
+			Addr:   raw.Addr{HardwareAddr: knownMAC},
+			yiaddr: knownIP,
+		},
+	}, {
+		name: "who_are_you",
+		req:  &dhcpv4.DHCPv4{},
+		resp: &dhcpv4.DHCPv4{},
+		want: defaultPeer,
+	}}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			conn := &fakePacketConn{
+				writeTo: func(_ []byte, addr net.Addr) (_ int, _ error) {
+					assert.Equal(t, tc.want, addr)
+
+					return 0, nil
+				},
+			}
+
+			s.send(cloneUDPAddr(defaultPeer), conn, tc.req, tc.resp)
+		})
+	}
+
+	t.Run("giaddr_nak", func(t *testing.T) {
+		req := &dhcpv4.DHCPv4{
+			GatewayIPAddr: knownIP,
+		}
+		// Ensure the request is for unicast.
+		req.SetUnicast()
+		resp := &dhcpv4.DHCPv4{
+			Options: dhcpv4.OptionsFromList(
+				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
+			),
+		}
+		want := &net.UDPAddr{
+			IP:   req.GatewayIPAddr,
+			Port: dhcpv4.ServerPort,
+		}
+
+		conn := &fakePacketConn{
+			writeTo: func(_ []byte, addr net.Addr) (n int, err error) {
+				assert.Equal(t, want, addr)
+
+				return 0, nil
+			},
+		}
+
+		s.send(cloneUDPAddr(defaultPeer), conn, req, resp)
+		assert.True(t, resp.IsBroadcast())
+	})
+}

internal/dhcpd/conn_unix.go

@@ -1,4 +1,4 @@
-//go:build darwin || freebsd || linux || openbsd
+//go:build freebsd || linux || openbsd
 
 package dhcpd
 
@@ -9,6 +9,7 @@ import (
 	"time"
 
 	"github.com/AdguardTeam/golibs/errors"
+	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/netutil"
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
@@ -238,3 +239,53 @@ func (c *dhcpConn) buildEtherPkt(payload []byte, peer *dhcpUnicastAddr) (pkt []b
 
 	return buf.Bytes(), nil
 }
+
+// send writes resp for peer to conn considering the req's parameters according
+// to RFC-2131.
+//
+// See https://datatracker.ietf.org/doc/html/rfc2131#section-4.1.
+func (s *v4Server) send(peer net.Addr, conn net.PacketConn, req, resp *dhcpv4.DHCPv4) {
+	switch giaddr, ciaddr, mtype := req.GatewayIPAddr, req.ClientIPAddr, resp.MessageType(); {
+	case giaddr != nil && !giaddr.IsUnspecified():
+		// Send any return messages to the server port on the BOOTP
+		// relay agent whose address appears in giaddr.
+		peer = &net.UDPAddr{
+			IP:   giaddr,
+			Port: dhcpv4.ServerPort,
+		}
+		if mtype == dhcpv4.MessageTypeNak {
+			// Set the broadcast bit in the DHCPNAK, so that the relay agent
+			// broadcasts it to the client, because the client may not have
+			// a correct network address or subnet mask, and the client may not
+			// be answering ARP requests.
+			resp.SetBroadcast()
+		}
+	case mtype == dhcpv4.MessageTypeNak:
+		// Broadcast any DHCPNAK messages to 0xffffffff.
+	case ciaddr != nil && !ciaddr.IsUnspecified():
+		// Unicast DHCPOFFER and DHCPACK messages to the address in
+		// ciaddr.
+		peer = &net.UDPAddr{
+			IP:   ciaddr,
+			Port: dhcpv4.ClientPort,
+		}
+	case !req.IsBroadcast() && req.ClientHWAddr != nil:
+		// Unicast DHCPOFFER and DHCPACK messages to the client's
+		// hardware address and yiaddr.
+		peer = &dhcpUnicastAddr{
+			Addr:   packet.Addr{HardwareAddr: req.ClientHWAddr},
+			yiaddr: resp.YourIPAddr,
+		}
+	default:
+		// Go on since peer is already set to broadcast.
+	}
+
+	pktData := resp.ToBytes()
+
+	log.Debug("dhcpv4: sending %d bytes to %s: %s", len(pktData), peer, resp.Summary())
+
+	_, err := conn.WriteTo(pktData, peer)
+	if err != nil {
+		log.Error("dhcpv4: conn.Write to %s failed: %s", peer, err)
+	}
+}

internal/dhcpd/conn_unix_internal_test.go

@@ -1,4 +1,4 @@
-//go:build darwin || freebsd || linux || openbsd
+//go:build freebsd || linux || openbsd
 
 package dhcpd
 
@@ -110,3 +110,108 @@ func TestBuildEtherPkt(t *testing.T) {
 		assert.Empty(t, pkt)
 	})
 }
+
+func TestV4Server_Send(t *testing.T) {
+	s := &v4Server{}
+
+	var (
+		defaultIP = net.IP{99, 99, 99, 99}
+		knownIP   = net.IP{4, 2, 4, 2}
+		knownMAC  = net.HardwareAddr{6, 5, 4, 3, 2, 1}
+	)
+
+	defaultPeer := &net.UDPAddr{
+		IP: defaultIP,
+		// Use neither client nor server port to check it actually
+		// changed.
+		Port: dhcpv4.ClientPort + dhcpv4.ServerPort,
+	}
+	defaultResp := &dhcpv4.DHCPv4{}
+
+	testCases := []struct {
+		want net.Addr
+		req  *dhcpv4.DHCPv4
+		resp *dhcpv4.DHCPv4
+		name string
+	}{{
+		name: "giaddr",
+		req:  &dhcpv4.DHCPv4{GatewayIPAddr: knownIP},
+		resp: defaultResp,
+		want: &net.UDPAddr{
+			IP:   knownIP,
+			Port: dhcpv4.ServerPort,
+		},
+	}, {
+		name: "nak",
+		req:  &dhcpv4.DHCPv4{},
+		resp: &dhcpv4.DHCPv4{
+			Options: dhcpv4.OptionsFromList(
+				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
+			),
+		},
+		want: defaultPeer,
+	}, {
+		name: "ciaddr",
+		req:  &dhcpv4.DHCPv4{ClientIPAddr: knownIP},
+		resp: &dhcpv4.DHCPv4{},
+		want: &net.UDPAddr{
+			IP:   knownIP,
+			Port: dhcpv4.ClientPort,
+		},
+	}, {
+		name: "chaddr",
+		req:  &dhcpv4.DHCPv4{ClientHWAddr: knownMAC},
+		resp: &dhcpv4.DHCPv4{YourIPAddr: knownIP},
+		want: &dhcpUnicastAddr{
+			Addr:   packet.Addr{HardwareAddr: knownMAC},
+			yiaddr: knownIP,
+		},
+	}, {
+		name: "who_are_you",
+		req:  &dhcpv4.DHCPv4{},
+		resp: &dhcpv4.DHCPv4{},
+		want: defaultPeer,
+	}}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			conn := &fakePacketConn{
+				writeTo: func(_ []byte, addr net.Addr) (_ int, _ error) {
+					assert.Equal(t, tc.want, addr)
+
+					return 0, nil
+				},
+			}
+
+			s.send(cloneUDPAddr(defaultPeer), conn, tc.req, tc.resp)
+		})
+	}
+
+	t.Run("giaddr_nak", func(t *testing.T) {
+		req := &dhcpv4.DHCPv4{
+			GatewayIPAddr: knownIP,
+		}
+		// Ensure the request is for unicast.
+		req.SetUnicast()
+		resp := &dhcpv4.DHCPv4{
+			Options: dhcpv4.OptionsFromList(
+				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
+			),
+		}
+		want := &net.UDPAddr{
+			IP:   req.GatewayIPAddr,
+			Port: dhcpv4.ServerPort,
+		}
+
+		conn := &fakePacketConn{
+			writeTo: func(_ []byte, addr net.Addr) (n int, err error) {
+				assert.Equal(t, want, addr)
+
+				return 0, nil
+			},
+		}
+
+		s.send(cloneUDPAddr(defaultPeer), conn, req, resp)
+		assert.True(t, resp.IsBroadcast())
+	})
+}

internal/dhcpd/db.go

@@ -5,43 +5,34 @@ package dhcpd
 import (
 	"encoding/json"
 	"fmt"
-	"net"
-	"net/netip"
 	"os"
-	"time"
 
 	"github.com/AdguardTeam/golibs/errors"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/google/renameio/maybe"
+	"golang.org/x/exp/slices"
 )
 
-const dbFilename = "leases.db"
+const (
+	// dataFilename contains saved leases.
+	dataFilename = "leases.json"
 
-type leaseJSON struct {
-	HWAddr   []byte `json:"mac"`
-	IP       []byte `json:"ip"`
-	Hostname string `json:"host"`
-	Expiry   int64  `json:"exp"`
+	// dataVersion is the current version of the stored DHCP leases structure.
+	dataVersion = 1
+)
+
+// dataLeases is the structure of the stored DHCP leases.
+type dataLeases struct {
+	// Version is the current version of the structure.
+	Version int `json:"version"`
+
+	// Leases is the list containing stored DHCP leases.
+	Leases []*Lease `json:"leases"`
 }
 
-func normalizeIP(ip net.IP) net.IP {
-	ip4 := ip.To4()
-	if ip4 != nil {
-		return ip4
-	}
-	return ip
-}
-
-// Load lease table from DB
-//
-// TODO(s.chzhen):  Decrease complexity.
+// dbLoad loads stored leases.
 func (s *server) dbLoad() (err error) {
-	dynLeases := []*Lease{}
-	staticLeases := []*Lease{}
-	v6StaticLeases := []*Lease{}
-	v6DynLeases := []*Lease{}
-
-	data, err := os.ReadFile(s.conf.DBFilePath)
+	data, err := os.ReadFile(s.conf.dbFilePath)
 	if err != nil {
 		if !errors.Is(err, os.ErrNotExist) {
 			return fmt.Errorf("reading db: %w", err)
@@ -50,51 +41,30 @@ func (s *server) dbLoad() (err error) {
 		return nil
 	}
 
-	obj := []leaseJSON{}
-	err = json.Unmarshal(data, &obj)
+	dl := &dataLeases{}
+	err = json.Unmarshal(data, dl)
 	if err != nil {
 		return fmt.Errorf("decoding db: %w", err)
 	}
 
-	numLeases := len(obj)
-	for i := range obj {
-		obj[i].IP = normalizeIP(obj[i].IP)
+	leases := dl.Leases
 
-		ip, ok := netip.AddrFromSlice(obj[i].IP)
-		if !ok {
-			log.Info("dhcp: invalid IP: %s", obj[i].IP)
-			continue
-		}
+	leases4 := []*Lease{}
+	leases6 := []*Lease{}
 
-		lease := Lease{
-			HWAddr:   obj[i].HWAddr,
-			IP:       ip,
-			Hostname: obj[i].Hostname,
-			Expiry:   time.Unix(obj[i].Expiry, 0),
-		}
-
-		if len(obj[i].IP) == 16 {
-			if obj[i].Expiry == leaseExpireStatic {
-				v6StaticLeases = append(v6StaticLeases, &lease)
-			} else {
-				v6DynLeases = append(v6DynLeases, &lease)
-			}
+	for _, l := range leases {
+		if l.IP.Is4() {
+			leases4 = append(leases4, l)
 		} else {
-			if obj[i].Expiry == leaseExpireStatic {
-				staticLeases = append(staticLeases, &lease)
-			} else {
-				dynLeases = append(dynLeases, &lease)
-			}
+			leases6 = append(leases6, l)
 		}
 	}
 
-	leases4 := normalizeLeases(staticLeases, dynLeases)
 	err = s.srv4.ResetLeases(leases4)
 	if err != nil {
 		return fmt.Errorf("resetting dhcpv4 leases: %w", err)
 	}
 
-	leases6 := normalizeLeases(v6StaticLeases, v6DynLeases)
 	if s.srv6 != nil {
 		err = s.srv6.ResetLeases(leases6)
 		if err != nil {
@@ -103,90 +73,54 @@ func (s *server) dbLoad() (err error) {
 	}
 
 	log.Info("dhcp: loaded leases v4:%d  v6:%d  total-read:%d from DB",
-		len(leases4), len(leases6), numLeases)
+		len(leases4), len(leases6), len(leases))
 
 	return nil
 }
 
-// Skip duplicate leases
-// Static leases have a priority over dynamic leases
-func normalizeLeases(staticLeases, dynLeases []*Lease) []*Lease {
-	leases := []*Lease{}
-	index := map[string]int{}
-
-	for i, lease := range staticLeases {
-		_, ok := index[lease.HWAddr.String()]
-		if ok {
-			continue // skip the lease with the same HW address
-		}
-		index[lease.HWAddr.String()] = i
-		leases = append(leases, lease)
-	}
-
-	for i, lease := range dynLeases {
-		_, ok := index[lease.HWAddr.String()]
-		if ok {
-			continue // skip the lease with the same HW address
-		}
-		index[lease.HWAddr.String()] = i
-		leases = append(leases, lease)
-	}
-
-	return leases
-}
-
-// Store lease table in DB
+// dbStore stores DHCP leases.
 func (s *server) dbStore() (err error) {
 	// Use an empty slice here as opposed to nil so that it doesn't write
 	// "null" into the database file if leases are empty.
-	leases := []leaseJSON{}
+	leases := []*Lease{}
 
 	leases4 := s.srv4.getLeasesRef()
-	for _, l := range leases4 {
-		if l.Expiry.Unix() == 0 {
-			continue
-		}
-
-		lease := leaseJSON{
-			HWAddr:   l.HWAddr,
-			IP:       l.IP.AsSlice(),
-			Hostname: l.Hostname,
-			Expiry:   l.Expiry.Unix(),
-		}
-
-		leases = append(leases, lease)
-	}
+	leases = append(leases, leases4...)
 
 	if s.srv6 != nil {
 		leases6 := s.srv6.getLeasesRef()
-		for _, l := range leases6 {
-			if l.Expiry.Unix() == 0 {
-				continue
-			}
-
-			lease := leaseJSON{
-				HWAddr:   l.HWAddr,
-				IP:       l.IP.AsSlice(),
-				Hostname: l.Hostname,
-				Expiry:   l.Expiry.Unix(),
-			}
-
-			leases = append(leases, lease)
-		}
+		leases = append(leases, leases6...)
 	}
 
-	var data []byte
-	data, err = json.Marshal(leases)
+	return writeDB(s.conf.dbFilePath, leases)
+}
+
+// writeDB writes leases to file at path.
+func writeDB(path string, leases []*Lease) (err error) {
+	defer func() { err = errors.Annotate(err, "writing db: %w") }()
+
+	slices.SortFunc(leases, func(a, b *Lease) bool {
+		return a.Hostname < b.Hostname
+	})
+
+	dl := &dataLeases{
+		Version: dataVersion,
+		Leases:  leases,
+	}
+
+	buf, err := json.Marshal(dl)
 	if err != nil {
-		return fmt.Errorf("encoding db: %w", err)
+		// Don't wrap the error since it's informative enough as is.
+		return err
 	}
 
-	err = maybe.WriteFile(s.conf.DBFilePath, data, 0o644)
+	err = maybe.WriteFile(path, buf, 0o644)
 	if err != nil {
-		return fmt.Errorf("writing db: %w", err)
+		// Don't wrap the error since it's informative enough as is.
+		return err
 	}
 
-	log.Info("dhcp: stored %d leases in db", len(leases))
+	log.Info("dhcp: stored %d leases in %q", len(leases), path)
 
 	return nil
 }

internal/dhcpd/dhcpd.go

@@ -15,13 +15,6 @@ import (
 )
 
 const (
-	// leaseExpireStatic is used to define the Expiry field for static
-	// leases.
-	//
-	// TODO(e.burkov): Remove it when static leases determining mechanism
-	// will be improved.
-	leaseExpireStatic = 1
-
 	// DefaultDHCPLeaseTTL is the default time-to-live for leases.
 	DefaultDHCPLeaseTTL = uint32(timeutil.Day / time.Second)
 
@@ -35,10 +28,10 @@ const (
 	defaultBackoff     time.Duration = 500 * time.Millisecond
 )
 
-// Lease contains the necessary information about a DHCP lease
+// Lease contains the necessary information about a DHCP lease.  It's used in
+// various places.  So don't change it without good reason.
 type Lease struct {
-	// Expiry is the expiration time of the lease.  The unix timestamp value
-	// of 1 means that this is a static lease.
+	// Expiry is the expiration time of the lease.
 	Expiry time.Time `json:"expires"`
 
 	// Hostname of the client.
@@ -51,6 +44,9 @@ type Lease struct {
 	//
 	// TODO(a.garipov): Migrate leases.db.
 	IP netip.Addr `json:"ip"`
+
+	// IsStatic defines if the lease is static.
+	IsStatic bool `json:"static"`
 }
 
 // Clone returns a deep copy of l.
@@ -64,6 +60,7 @@ func (l *Lease) Clone() (clone *Lease) {
 		Hostname: l.Hostname,
 		HWAddr:   slices.Clone(l.HWAddr),
 		IP:       l.IP,
+		IsStatic: l.IsStatic,
 	}
 }
 
@@ -84,17 +81,10 @@ func (l *Lease) IsBlocklisted() (ok bool) {
 	return true
 }
 
-// IsStatic returns true if the lease is static.
-//
-// TODO(a.garipov): Just make it a boolean field.
-func (l *Lease) IsStatic() (ok bool) {
-	return l != nil && l.Expiry.Unix() == leaseExpireStatic
-}
-
 // MarshalJSON implements the json.Marshaler interface for Lease.
 func (l Lease) MarshalJSON() ([]byte, error) {
 	var expiryStr string
-	if !l.IsStatic() {
+	if !l.IsStatic {
 		// The front-end is waiting for RFC 3999 format of the time
 		// value.  It also shouldn't got an Expiry field for static
 		// leases.
@@ -241,7 +231,7 @@ func Create(conf *ServerConfig) (s *server, err error) {
 
 			LocalDomainName: conf.LocalDomainName,
 
-			DBFilePath: filepath.Join(conf.WorkDir, dbFilename),
+			dbFilePath: filepath.Join(conf.DataDir, dataFilename),
 		},
 	}
 
@@ -282,6 +272,13 @@ func Create(conf *ServerConfig) (s *server, err error) {
 		return nil, fmt.Errorf("neither dhcpv4 nor dhcpv6 srv is configured")
 	}
 
+	// Migrate leases db if needed.
+	err = migrateDB(conf)
+	if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return nil, err
+	}
+
 	// Don't delay database loading until the DHCP server is started,
 	// because we need static leases functionality available beforehand.
 	err = s.dbLoad()

internal/dhcpd/dhcpd_unix_test.go

@@ -5,7 +5,7 @@ package dhcpd
 import (
 	"net"
 	"net/netip"
-	"os"
+	"path/filepath"
 	"testing"
 	"time"
 
@@ -27,7 +27,7 @@ func TestDB(t *testing.T) {
 	var err error
 	s := server{
 		conf: &ServerConfig{
-			DBFilePath: dbFilename,
+			dbFilePath: filepath.Join(t.TempDir(), dataFilename),
 		},
 	}
 
@@ -67,8 +67,6 @@ func TestDB(t *testing.T) {
 	err = s.dbStore()
 	require.NoError(t, err)
 
-	testutil.CleanupAndRequireSuccess(t, func() (err error) { return os.Remove(dbFilename) })
-
 	err = s.srv4.ResetLeases(nil)
 	require.NoError(t, err)
 
@@ -78,36 +76,13 @@ func TestDB(t *testing.T) {
 	ll := s.srv4.GetLeases(LeasesAll)
 	require.Len(t, ll, len(leases))
 
-	assert.Equal(t, leases[1].HWAddr, ll[0].HWAddr)
-	assert.Equal(t, leases[1].IP, ll[0].IP)
-	assert.True(t, ll[0].IsStatic())
+	assert.Equal(t, leases[0].HWAddr, ll[0].HWAddr)
+	assert.Equal(t, leases[0].IP, ll[0].IP)
+	assert.Equal(t, leases[0].Expiry.Unix(), ll[0].Expiry.Unix())
 
-	assert.Equal(t, leases[0].HWAddr, ll[1].HWAddr)
-	assert.Equal(t, leases[0].IP, ll[1].IP)
-	assert.Equal(t, leases[0].Expiry.Unix(), ll[1].Expiry.Unix())
-}
-
-func TestNormalizeLeases(t *testing.T) {
-	dynLeases := []*Lease{{
-		HWAddr: net.HardwareAddr{1, 2, 3, 4},
-	}, {
-		HWAddr: net.HardwareAddr{1, 2, 3, 5},
-	}}
-
-	staticLeases := []*Lease{{
-		HWAddr: net.HardwareAddr{1, 2, 3, 4},
-		IP:     netip.MustParseAddr("0.2.3.4"),
-	}, {
-		HWAddr: net.HardwareAddr{2, 2, 3, 4},
-	}}
-
-	leases := normalizeLeases(staticLeases, dynLeases)
-	require.Len(t, leases, 3)
-
-	assert.Equal(t, leases[0].HWAddr, dynLeases[0].HWAddr)
-	assert.Equal(t, leases[0].IP, staticLeases[0].IP)
-	assert.Equal(t, leases[1].HWAddr, staticLeases[1].HWAddr)
-	assert.Equal(t, leases[2].HWAddr, dynLeases[1].HWAddr)
+	assert.Equal(t, leases[1].HWAddr, ll[1].HWAddr)
+	assert.Equal(t, leases[1].IP, ll[1].IP)
+	assert.True(t, ll[1].IsStatic)
 }
 
 func TestV4Server_badRange(t *testing.T) {

internal/dhcpd/http_unix.go

@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"net/netip"
 	"os"
+	"time"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
 	"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
@@ -57,12 +58,77 @@ func v6JSONToServerConf(j *v6ServerConfJSON) V6ServerConf {
 
 // dhcpStatusResponse is the response for /control/dhcp/status endpoint.
 type dhcpStatusResponse struct {
-	IfaceName    string       `json:"interface_name"`
-	V4           V4ServerConf `json:"v4"`
-	V6           V6ServerConf `json:"v6"`
-	Leases       []*Lease     `json:"leases"`
-	StaticLeases []*Lease     `json:"static_leases"`
-	Enabled      bool         `json:"enabled"`
+	IfaceName    string          `json:"interface_name"`
+	V4           V4ServerConf    `json:"v4"`
+	V6           V6ServerConf    `json:"v6"`
+	Leases       []*leaseDynamic `json:"leases"`
+	StaticLeases []*leaseStatic  `json:"static_leases"`
+	Enabled      bool            `json:"enabled"`
+}
+
+// leaseStatic is the JSON form of static DHCP lease.
+type leaseStatic struct {
+	HWAddr   string     `json:"mac"`
+	IP       netip.Addr `json:"ip"`
+	Hostname string     `json:"hostname"`
+}
+
+// leasesToStatic converts list of leases to their JSON form.
+func leasesToStatic(leases []*Lease) (static []*leaseStatic) {
+	static = make([]*leaseStatic, len(leases))
+
+	for i, l := range leases {
+		static[i] = &leaseStatic{
+			HWAddr:   l.HWAddr.String(),
+			IP:       l.IP,
+			Hostname: l.Hostname,
+		}
+	}
+
+	return static
+}
+
+// toLease converts leaseStatic to Lease or returns error.
+func (l *leaseStatic) toLease() (lease *Lease, err error) {
+	addr, err := net.ParseMAC(l.HWAddr)
+	if err != nil {
+		return nil, fmt.Errorf("couldn't parse MAC address: %w", err)
+	}
+
+	return &Lease{
+		HWAddr:   addr,
+		IP:       l.IP,
+		Hostname: l.Hostname,
+		IsStatic: true,
+	}, nil
+}
+
+// leaseDynamic is the JSON form of dynamic DHCP lease.
+type leaseDynamic struct {
+	HWAddr   string     `json:"mac"`
+	IP       netip.Addr `json:"ip"`
+	Hostname string     `json:"hostname"`
+	Expiry   string     `json:"expires"`
+}
+
+// leasesToDynamic converts list of leases to their JSON form.
+func leasesToDynamic(leases []*Lease) (dynamic []*leaseDynamic) {
+	dynamic = make([]*leaseDynamic, len(leases))
+
+	for i, l := range leases {
+		dynamic[i] = &leaseDynamic{
+			HWAddr:   l.HWAddr.String(),
+			IP:       l.IP,
+			Hostname: l.Hostname,
+			// The front-end is waiting for RFC 3999 format of the time
+			// value.
+			//
+			// See https://github.com/AdguardTeam/AdGuardHome/issues/2692.
+			Expiry: l.Expiry.Format(time.RFC3339),
+		}
+	}
+
+	return dynamic
 }
 
 func (s *server) handleDHCPStatus(w http.ResponseWriter, r *http.Request) {
@@ -76,8 +142,8 @@ func (s *server) handleDHCPStatus(w http.ResponseWriter, r *http.Request) {
 	s.srv4.WriteDiskConfig4(&status.V4)
 	s.srv6.WriteDiskConfig6(&status.V6)
 
-	status.Leases = s.Leases(LeasesDynamic)
-	status.StaticLeases = s.Leases(LeasesStatic)
+	status.Leases = leasesToDynamic(s.Leases(LeasesDynamic))
+	status.StaticLeases = leasesToStatic(s.Leases(LeasesStatic))
 
 	_ = aghhttp.WriteJSONResponse(w, r, status)
 }
@@ -284,8 +350,10 @@ type netInterfaceJSON struct {
 	Addrs6       []netip.Addr `json:"ipv6_addresses"`
 }
 
+// handleDHCPInterfaces is the handler for the GET /control/dhcp/interfaces HTTP
+// API.
 func (s *server) handleDHCPInterfaces(w http.ResponseWriter, r *http.Request) {
-	response := map[string]netInterfaceJSON{}
+	resp := map[string]netInterfaceJSON{}
 
 	ifaces, err := net.Interfaces()
 	if err != nil {
@@ -358,20 +426,11 @@ func (s *server) handleDHCPInterfaces(w http.ResponseWriter, r *http.Request) {
 		}
 		if len(jsonIface.Addrs4)+len(jsonIface.Addrs6) != 0 {
 			jsonIface.GatewayIP = aghnet.GatewayIP(iface.Name)
-			response[iface.Name] = jsonIface
+			resp[iface.Name] = jsonIface
 		}
 	}
 
-	err = json.NewEncoder(w).Encode(response)
-	if err != nil {
-		aghhttp.Error(
-			r,
-			w,
-			http.StatusInternalServerError,
-			"Failed to marshal json with available interfaces: %s",
-			err,
-		)
-	}
+	_ = aghhttp.WriteJSONResponse(w, r, resp)
 }
 
 // dhcpSearchOtherResult contains information about other DHCP server for
@@ -488,7 +547,7 @@ func setOtherDHCPResult(ifaceName string, result *dhcpSearchResult) {
 }
 
 func (s *server) handleDHCPAddStaticLease(w http.ResponseWriter, r *http.Request) {
-	l := &Lease{}
+	l := &leaseStatic{}
 	err := json.NewDecoder(r.Body).Decode(l)
 	if err != nil {
 		aghhttp.Error(r, w, http.StatusBadRequest, "json.Decode: %s", err)
@@ -511,7 +570,14 @@ func (s *server) handleDHCPAddStaticLease(w http.ResponseWriter, r *http.Request
 		srv = s.srv6
 	}
 
-	err = srv.AddStaticLease(l)
+	lease, err := l.toLease()
+	if err != nil {
+		aghhttp.Error(r, w, http.StatusBadRequest, "parsing: %s", err)
+
+		return
+	}
+
+	err = srv.AddStaticLease(lease)
 	if err != nil {
 		aghhttp.Error(r, w, http.StatusBadRequest, "%s", err)
 
@@ -520,7 +586,7 @@ func (s *server) handleDHCPAddStaticLease(w http.ResponseWriter, r *http.Request
 }
 
 func (s *server) handleDHCPRemoveStaticLease(w http.ResponseWriter, r *http.Request) {
-	l := &Lease{}
+	l := &leaseStatic{}
 	err := json.NewDecoder(r.Body).Decode(l)
 	if err != nil {
 		aghhttp.Error(r, w, http.StatusBadRequest, "json.Decode: %s", err)
@@ -543,7 +609,14 @@ func (s *server) handleDHCPRemoveStaticLease(w http.ResponseWriter, r *http.Requ
 		srv = s.srv6
 	}
 
-	err = srv.RemoveStaticLease(l)
+	lease, err := l.toLease()
+	if err != nil {
+		aghhttp.Error(r, w, http.StatusBadRequest, "parsing: %s", err)
+
+		return
+	}
+
+	err = srv.RemoveStaticLease(lease)
 	if err != nil {
 		aghhttp.Error(r, w, http.StatusBadRequest, "%s", err)
 
@@ -559,7 +632,7 @@ func (s *server) handleReset(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	err = os.Remove(s.conf.DBFilePath)
+	err = os.Remove(s.conf.dbFilePath)
 	if err != nil && !errors.Is(err, os.ErrNotExist) {
 		log.Error("dhcp: removing db: %s", err)
 	}
@@ -571,8 +644,8 @@ func (s *server) handleReset(w http.ResponseWriter, r *http.Request) {
 
 		LocalDomainName: s.conf.LocalDomainName,
 
-		WorkDir:    s.conf.WorkDir,
-		DBFilePath: s.conf.DBFilePath,
+		DataDir:    s.conf.DataDir,
+		dbFilePath: s.conf.dbFilePath,
 	}
 
 	v4conf := &V4ServerConf{

internal/dhcpd/http_unix_test.go

@@ -5,35 +5,33 @@ package dhcpd
 import (
 	"bytes"
 	"encoding/json"
-	"net"
 	"net/http"
 	"net/http/httptest"
 	"net/netip"
 	"testing"
-	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
 func TestServer_handleDHCPStatus(t *testing.T) {
-	const staticName = "static-client"
+	const (
+		staticName = "static-client"
+		staticMAC  = "aa:aa:aa:aa:aa:aa"
+	)
 
 	staticIP := netip.MustParseAddr("192.168.10.10")
-	staticMAC := net.HardwareAddr{0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA}
 
-	staticLease := &Lease{
-		Expiry:   time.Unix(leaseExpireStatic, 0),
-		Hostname: staticName,
+	staticLease := &leaseStatic{
 		HWAddr:   staticMAC,
 		IP:       staticIP,
+		Hostname: staticName,
 	}
 
 	s, err := Create(&ServerConfig{
 		Enabled:        true,
 		Conf4:          *defaultV4ServerConf(),
-		WorkDir:        t.TempDir(),
-		DBFilePath:     dbFilename,
+		DataDir:        t.TempDir(),
 		ConfigModified: func() {},
 	})
 	require.NoError(t, err)
@@ -65,8 +63,8 @@ func TestServer_handleDHCPStatus(t *testing.T) {
 		resp := &dhcpStatusResponse{
 			V4:           *conf4,
 			V6:           V6ServerConf{},
-			Leases:       []*Lease{},
-			StaticLeases: []*Lease{},
+			Leases:       []*leaseDynamic{},
+			StaticLeases: []*leaseStatic{},
 			Enabled:      true,
 		}
 
@@ -95,7 +93,7 @@ func TestServer_handleDHCPStatus(t *testing.T) {
 		assert.Equal(t, http.StatusOK, w.Code)
 
 		resp := defaultResponse()
-		resp.StaticLeases = []*Lease{staticLease}
+		resp.StaticLeases = []*leaseStatic{staticLease}
 
 		checkStatus(t, resp)
 	})
@@ -106,7 +104,7 @@ func TestServer_handleDHCPStatus(t *testing.T) {
 
 		b := &bytes.Buffer{}
 
-		err = json.NewEncoder(b).Encode(&Lease{})
+		err = json.NewEncoder(b).Encode(&leaseStatic{})
 		require.NoError(t, err)
 
 		var r *http.Request

internal/dhcpd/migrate.go

@@ -0,0 +1,106 @@
+package dhcpd
+
+import (
+	"encoding/json"
+	"net"
+	"net/netip"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/AdguardTeam/golibs/errors"
+	"github.com/AdguardTeam/golibs/log"
+)
+
+const (
+	// leaseExpireStatic is used to define the Expiry field for static
+	// leases.
+	//
+	// Deprecated:  Remove it when migration of DHCP leases will be not needed.
+	leaseExpireStatic = 1
+
+	// dbFilename contains saved leases.
+	//
+	// Deprecated:  Use dataFilename.
+	dbFilename = "leases.db"
+)
+
+// leaseJSON is the structure of stored lease.
+//
+// Deprecated:  Use [Lease].
+type leaseJSON struct {
+	HWAddr   []byte `json:"mac"`
+	IP       []byte `json:"ip"`
+	Hostname string `json:"host"`
+	Expiry   int64  `json:"exp"`
+}
+
+func normalizeIP(ip net.IP) net.IP {
+	ip4 := ip.To4()
+	if ip4 != nil {
+		return ip4
+	}
+
+	return ip
+}
+
+// migrateDB migrates stored leases if necessary.
+func migrateDB(conf *ServerConfig) (err error) {
+	defer func() { err = errors.Annotate(err, "migrating db: %w") }()
+
+	oldLeasesPath := filepath.Join(conf.WorkDir, dbFilename)
+	dataDirPath := filepath.Join(conf.DataDir, dataFilename)
+
+	file, err := os.Open(oldLeasesPath)
+	if errors.Is(err, os.ErrNotExist) {
+		// Nothing to migrate.
+		return nil
+	} else if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return err
+	}
+
+	ljs := []leaseJSON{}
+	err = json.NewDecoder(file).Decode(&ljs)
+	if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return err
+	}
+
+	err = file.Close()
+	if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return err
+	}
+
+	leases := []*Lease{}
+
+	for _, lj := range ljs {
+		lj.IP = normalizeIP(lj.IP)
+
+		ip, ok := netip.AddrFromSlice(lj.IP)
+		if !ok {
+			log.Info("dhcp: invalid IP: %s", lj.IP)
+
+			continue
+		}
+
+		lease := &Lease{
+			Expiry:   time.Unix(lj.Expiry, 0),
+			Hostname: lj.Hostname,
+			HWAddr:   lj.HWAddr,
+			IP:       ip,
+			IsStatic: lj.Expiry == leaseExpireStatic,
+		}
+
+		leases = append(leases, lease)
+	}
+
+	err = writeDB(dataDirPath, leases)
+	if err != nil {
+		// Don't wrap the error since it's informative enough as is.
+		return err
+	}
+
+	return os.Remove(oldLeasesPath)
+}

internal/dhcpd/migrate_internal_test.go

@@ -0,0 +1,73 @@
+package dhcpd
+
+import (
+	"encoding/json"
+	"net"
+	"net/netip"
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+const testData = `[
+{"mac":"ESIzRFVm","ip":"AQIDBA==","host":"test1","exp":1},
+{"mac":"ZlVEMyIR","ip":"BAMCAQ==","host":"test2","exp":1231231231}
+]`
+
+func TestMigrateDB(t *testing.T) {
+	dir := t.TempDir()
+
+	oldLeasesPath := filepath.Join(dir, dbFilename)
+	dataDirPath := filepath.Join(dir, dataFilename)
+
+	err := os.WriteFile(oldLeasesPath, []byte(testData), 0o644)
+	require.NoError(t, err)
+
+	wantLeases := []*Lease{{
+		Expiry:   time.Time{},
+		Hostname: "test1",
+		HWAddr:   net.HardwareAddr{0x11, 0x22, 0x33, 0x44, 0x55, 0x66},
+		IP:       netip.MustParseAddr("1.2.3.4"),
+		IsStatic: true,
+	}, {
+		Expiry:   time.Unix(1231231231, 0),
+		Hostname: "test2",
+		HWAddr:   net.HardwareAddr{0x66, 0x55, 0x44, 0x33, 0x22, 0x11},
+		IP:       netip.MustParseAddr("4.3.2.1"),
+		IsStatic: false,
+	}}
+
+	conf := &ServerConfig{
+		WorkDir: dir,
+		DataDir: dir,
+	}
+
+	err = migrateDB(conf)
+	require.NoError(t, err)
+
+	_, err = os.Stat(oldLeasesPath)
+	require.ErrorIs(t, err, os.ErrNotExist)
+
+	var data []byte
+	data, err = os.ReadFile(dataDirPath)
+	require.NoError(t, err)
+
+	dl := &dataLeases{}
+	err = json.Unmarshal(data, dl)
+	require.NoError(t, err)
+
+	leases := dl.Leases
+
+	for i, wl := range wantLeases {
+		assert.Equal(t, wl.Hostname, leases[i].Hostname)
+		assert.Equal(t, wl.HWAddr, leases[i].HWAddr)
+		assert.Equal(t, wl.IP, leases[i].IP)
+		assert.Equal(t, wl.IsStatic, leases[i].IsStatic)
+
+		require.True(t, wl.Expiry.Equal(leases[i].Expiry))
+	}
+}

internal/dhcpd/v4_unix.go

@@ -20,7 +20,6 @@ import (
 	"github.com/go-ping/ping"
 	"github.com/insomniacslk/dhcp/dhcpv4"
 	"github.com/insomniacslk/dhcp/dhcpv4/server4"
-	"github.com/mdlayher/packet"
 	"golang.org/x/exp/slices"
 )
 
@@ -128,7 +127,7 @@ func (s *v4Server) ResetLeases(leases []*Lease) (err error) {
 	s.leases = nil
 
 	for _, l := range leases {
-		if !l.IsStatic() {
+		if !l.IsStatic {
 			l.Hostname = s.validHostnameForClient(l.Hostname, l.IP)
 		}
 		err = s.addLease(l)
@@ -190,7 +189,7 @@ func (s *v4Server) GetLeases(flags GetLeasesFlags) (leases []*Lease) {
 			continue
 		}
 
-		if getStatic && l.IsStatic() {
+		if getStatic && l.IsStatic {
 			leases = append(leases, l.Clone())
 		}
 	}
@@ -211,7 +210,7 @@ func (s *v4Server) FindMACbyIP(ip netip.Addr) (mac net.HardwareAddr) {
 
 	for _, l := range s.leases {
 		if l.IP == ip {
-			if l.Expiry.After(now) || l.IsStatic() {
+			if l.IsStatic || l.Expiry.After(now) {
 				return l.HWAddr
 			}
 		}
@@ -257,9 +256,11 @@ func (s *v4Server) rmLeaseByIndex(i int) {
 
 // Remove a dynamic lease with the same properties
 // Return error if a static lease is found
+//
+// TODO(s.chzhen):  Refactor the code.
 func (s *v4Server) rmDynamicLease(lease *Lease) (err error) {
 	for i, l := range s.leases {
-		isStatic := l.IsStatic()
+		isStatic := l.IsStatic
 
 		if bytes.Equal(l.HWAddr, lease.HWAddr) || l.IP == lease.IP {
 			if isStatic {
@@ -292,7 +293,7 @@ func (s *v4Server) addLease(l *Lease) (err error) {
 	leaseIP := net.IP(l.IP.AsSlice())
 	offset, inOffset := r.offset(leaseIP)
 
-	if l.IsStatic() {
+	if l.IsStatic {
 		// TODO(a.garipov, d.seregin): Subnet can be nil when dhcp server is
 		// disabled.
 		if sn := s.conf.subnet; !sn.Contains(l.IP) {
@@ -358,7 +359,7 @@ func (s *v4Server) AddStaticLease(l *Lease) (err error) {
 		return fmt.Errorf("can't assign the gateway IP %s to the lease", gwIP)
 	}
 
-	l.Expiry = time.Unix(leaseExpireStatic, 0)
+	l.IsStatic = true
 
 	err = netutil.ValidateMAC(l.HWAddr)
 	if err != nil {
@@ -528,7 +529,7 @@ func (s *v4Server) nextIP() (ip net.IP) {
 func (s *v4Server) findExpiredLease() int {
 	now := time.Now()
 	for i, lease := range s.leases {
-		if !lease.IsStatic() && lease.Expiry.Before(now) {
+		if !lease.IsStatic && lease.Expiry.Before(now) {
 			return i
 		}
 	}
@@ -860,7 +861,7 @@ func (s *v4Server) handleRequest(req, resp *dhcpv4.DHCPv4) (lease *Lease, needsR
 	s.leasesLock.Lock()
 	defer s.leasesLock.Unlock()
 
-	if lease.IsStatic() {
+	if lease.IsStatic {
 		if lease.Hostname != "" {
 			// TODO(e.burkov):  This option is used to update the server's DNS
 			// mapping.  The option should only be answered when it has been
@@ -1131,56 +1132,6 @@ func (s *v4Server) packetHandler(conn net.PacketConn, peer net.Addr, req *dhcpv4
 	s.send(peer, conn, req, resp)
 }
 
-// send writes resp for peer to conn considering the req's parameters according
-// to RFC-2131.
-//
-// See https://datatracker.ietf.org/doc/html/rfc2131#section-4.1.
-func (s *v4Server) send(peer net.Addr, conn net.PacketConn, req, resp *dhcpv4.DHCPv4) {
-	switch giaddr, ciaddr, mtype := req.GatewayIPAddr, req.ClientIPAddr, resp.MessageType(); {
-	case giaddr != nil && !giaddr.IsUnspecified():
-		// Send any return messages to the server port on the BOOTP
-		// relay agent whose address appears in giaddr.
-		peer = &net.UDPAddr{
-			IP:   giaddr,
-			Port: dhcpv4.ServerPort,
-		}
-		if mtype == dhcpv4.MessageTypeNak {
-			// Set the broadcast bit in the DHCPNAK, so that the relay agent
-			// broadcasts it to the client, because the client may not have
-			// a correct network address or subnet mask, and the client may not
-			// be answering ARP requests.
-			resp.SetBroadcast()
-		}
-	case mtype == dhcpv4.MessageTypeNak:
-		// Broadcast any DHCPNAK messages to 0xffffffff.
-	case ciaddr != nil && !ciaddr.IsUnspecified():
-		// Unicast DHCPOFFER and DHCPACK messages to the address in
-		// ciaddr.
-		peer = &net.UDPAddr{
-			IP:   ciaddr,
-			Port: dhcpv4.ClientPort,
-		}
-	case !req.IsBroadcast() && req.ClientHWAddr != nil:
-		// Unicast DHCPOFFER and DHCPACK messages to the client's
-		// hardware address and yiaddr.
-		peer = &dhcpUnicastAddr{
-			Addr:   packet.Addr{HardwareAddr: req.ClientHWAddr},
-			yiaddr: resp.YourIPAddr,
-		}
-	default:
-		// Go on since peer is already set to broadcast.
-	}
-
-	pktData := resp.ToBytes()
-
-	log.Debug("dhcpv4: sending %d bytes to %s: %s", len(pktData), peer, resp.Summary())
-
-	_, err := conn.WriteTo(pktData, peer)
-	if err != nil {
-		log.Error("dhcpv4: conn.Write to %s failed: %s", peer, err)
-	}
-}
-
 // Start starts the IPv4 DHCP server.
 func (s *v4Server) Start() (err error) {
 	defer func() { err = errors.Annotate(err, "dhcpv4: %w") }()

internal/dhcpd/v4_unix_test.go

@@ -15,7 +15,6 @@ import (
 	"github.com/AdguardTeam/golibs/stringutil"
 	"github.com/AdguardTeam/golibs/testutil"
 	"github.com/insomniacslk/dhcp/dhcpv4"
-	"github.com/mdlayher/packet"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -69,19 +68,19 @@ func TestV4Server_leasing(t *testing.T) {
 
 	t.Run("add_static", func(t *testing.T) {
 		err := s.AddStaticLease(&Lease{
-			Expiry:   time.Unix(leaseExpireStatic, 0),
 			Hostname: staticName,
 			HWAddr:   staticMAC,
 			IP:       staticIP,
+			IsStatic: true,
 		})
 		require.NoError(t, err)
 
 		t.Run("same_name", func(t *testing.T) {
 			err = s.AddStaticLease(&Lease{
-				Expiry:   time.Unix(leaseExpireStatic, 0),
 				Hostname: staticName,
 				HWAddr:   anotherMAC,
 				IP:       anotherIP,
+				IsStatic: true,
 			})
 			assert.ErrorIs(t, err, ErrDupHostname)
 		})
@@ -92,10 +91,10 @@ func TestV4Server_leasing(t *testing.T) {
 				" (" + staticMAC.String() + "): static lease already exists"
 
 			err = s.AddStaticLease(&Lease{
-				Expiry:   time.Unix(leaseExpireStatic, 0),
 				Hostname: anotherName,
 				HWAddr:   staticMAC,
 				IP:       anotherIP,
+				IsStatic: true,
 			})
 			testutil.AssertErrorMsg(t, wantErrMsg, err)
 		})
@@ -106,10 +105,10 @@ func TestV4Server_leasing(t *testing.T) {
 				" (" + anotherMAC.String() + "): static lease already exists"
 
 			err = s.AddStaticLease(&Lease{
-				Expiry:   time.Unix(leaseExpireStatic, 0),
 				Hostname: anotherName,
 				HWAddr:   anotherMAC,
 				IP:       staticIP,
+				IsStatic: true,
 			})
 			testutil.AssertErrorMsg(t, wantErrMsg, err)
 		})
@@ -326,7 +325,7 @@ func TestV4_AddReplace(t *testing.T) {
 	for i, l := range ls {
 		assert.Equal(t, stLeases[i].IP, l.IP)
 		assert.Equal(t, stLeases[i].HWAddr, l.HWAddr)
-		assert.True(t, l.IsStatic())
+		assert.True(t, l.IsStatic)
 	}
 }
 
@@ -767,111 +766,6 @@ func (fc *fakePacketConn) WriteTo(p []byte, addr net.Addr) (n int, err error) {
 	return fc.writeTo(p, addr)
 }
 
-func TestV4Server_Send(t *testing.T) {
-	s := &v4Server{}
-
-	var (
-		defaultIP = net.IP{99, 99, 99, 99}
-		knownIP   = net.IP{4, 2, 4, 2}
-		knownMAC  = net.HardwareAddr{6, 5, 4, 3, 2, 1}
-	)
-
-	defaultPeer := &net.UDPAddr{
-		IP: defaultIP,
-		// Use neither client nor server port to check it actually
-		// changed.
-		Port: dhcpv4.ClientPort + dhcpv4.ServerPort,
-	}
-	defaultResp := &dhcpv4.DHCPv4{}
-
-	testCases := []struct {
-		want net.Addr
-		req  *dhcpv4.DHCPv4
-		resp *dhcpv4.DHCPv4
-		name string
-	}{{
-		name: "giaddr",
-		req:  &dhcpv4.DHCPv4{GatewayIPAddr: knownIP},
-		resp: defaultResp,
-		want: &net.UDPAddr{
-			IP:   knownIP,
-			Port: dhcpv4.ServerPort,
-		},
-	}, {
-		name: "nak",
-		req:  &dhcpv4.DHCPv4{},
-		resp: &dhcpv4.DHCPv4{
-			Options: dhcpv4.OptionsFromList(
-				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
-			),
-		},
-		want: defaultPeer,
-	}, {
-		name: "ciaddr",
-		req:  &dhcpv4.DHCPv4{ClientIPAddr: knownIP},
-		resp: &dhcpv4.DHCPv4{},
-		want: &net.UDPAddr{
-			IP:   knownIP,
-			Port: dhcpv4.ClientPort,
-		},
-	}, {
-		name: "chaddr",
-		req:  &dhcpv4.DHCPv4{ClientHWAddr: knownMAC},
-		resp: &dhcpv4.DHCPv4{YourIPAddr: knownIP},
-		want: &dhcpUnicastAddr{
-			Addr:   packet.Addr{HardwareAddr: knownMAC},
-			yiaddr: knownIP,
-		},
-	}, {
-		name: "who_are_you",
-		req:  &dhcpv4.DHCPv4{},
-		resp: &dhcpv4.DHCPv4{},
-		want: defaultPeer,
-	}}
-
-	for _, tc := range testCases {
-		t.Run(tc.name, func(t *testing.T) {
-			conn := &fakePacketConn{
-				writeTo: func(_ []byte, addr net.Addr) (_ int, _ error) {
-					assert.Equal(t, tc.want, addr)
-
-					return 0, nil
-				},
-			}
-
-			s.send(cloneUDPAddr(defaultPeer), conn, tc.req, tc.resp)
-		})
-	}
-
-	t.Run("giaddr_nak", func(t *testing.T) {
-		req := &dhcpv4.DHCPv4{
-			GatewayIPAddr: knownIP,
-		}
-		// Ensure the request is for unicast.
-		req.SetUnicast()
-		resp := &dhcpv4.DHCPv4{
-			Options: dhcpv4.OptionsFromList(
-				dhcpv4.OptMessageType(dhcpv4.MessageTypeNak),
-			),
-		}
-		want := &net.UDPAddr{
-			IP:   req.GatewayIPAddr,
-			Port: dhcpv4.ServerPort,
-		}
-
-		conn := &fakePacketConn{
-			writeTo: func(_ []byte, addr net.Addr) (n int, err error) {
-				assert.Equal(t, want, addr)
-
-				return 0, nil
-			},
-		}
-
-		s.send(cloneUDPAddr(defaultPeer), conn, req, resp)
-		assert.True(t, resp.IsBroadcast())
-	})
-}
-
 func TestV4Server_FindMACbyIP(t *testing.T) {
 	const (
 		staticName  = "static-client"
@@ -886,10 +780,10 @@ func TestV4Server_FindMACbyIP(t *testing.T) {
 
 	s := &v4Server{
 		leases: []*Lease{{
-			Expiry:   time.Unix(leaseExpireStatic, 0),
 			Hostname: staticName,
 			HWAddr:   staticMAC,
 			IP:       staticIP,
+			IsStatic: true,
 		}, {
 			Expiry:   time.Unix(10, 0),
 			Hostname: anotherName,

internal/dhcpd/v6_unix.go

@@ -66,8 +66,7 @@ func (s *v6Server) ResetLeases(leases []*Lease) (err error) {
 	s.leases = nil
 	for _, l := range leases {
 		ip := net.IP(l.IP.AsSlice())
-		if l.Expiry.Unix() != leaseExpireStatic &&
-			!ip6InRange(s.conf.ipStart, ip) {
+		if !l.IsStatic && !ip6InRange(s.conf.ipStart, ip) {
 
 			log.Debug("dhcpv6: skipping a lease with IP %v: not within current IP range", l.IP)
 
@@ -89,7 +88,7 @@ func (s *v6Server) GetLeases(flags GetLeasesFlags) (leases []*Lease) {
 	leases = []*Lease{}
 	s.leasesLock.Lock()
 	for _, l := range s.leases {
-		if l.Expiry.Unix() == leaseExpireStatic {
+		if l.IsStatic {
 			if (flags & LeasesStatic) != 0 {
 				leases = append(leases, l.Clone())
 			}
@@ -121,7 +120,7 @@ func (s *v6Server) FindMACbyIP(ip netip.Addr) (mac net.HardwareAddr) {
 
 	for _, l := range s.leases {
 		if l.IP == ip {
-			if l.Expiry.After(now) || l.IsStatic() {
+			if l.IsStatic || l.Expiry.After(now) {
 				return l.HWAddr
 			}
 		}
@@ -150,7 +149,7 @@ func (s *v6Server) rmDynamicLease(lease *Lease) (err error) {
 		l := s.leases[i]
 
 		if bytes.Equal(l.HWAddr, lease.HWAddr) {
-			if l.Expiry.Unix() == leaseExpireStatic {
+			if l.IsStatic {
 				return fmt.Errorf("static lease already exists")
 			}
 
@@ -163,7 +162,7 @@ func (s *v6Server) rmDynamicLease(lease *Lease) (err error) {
 		}
 
 		if l.IP == lease.IP {
-			if l.Expiry.Unix() == leaseExpireStatic {
+			if l.IsStatic {
 				return fmt.Errorf("static lease already exists")
 			}
 
@@ -187,7 +186,7 @@ func (s *v6Server) AddStaticLease(l *Lease) (err error) {
 		return fmt.Errorf("validating lease: %w", err)
 	}
 
-	l.Expiry = time.Unix(leaseExpireStatic, 0)
+	l.IsStatic = true
 
 	s.leasesLock.Lock()
 	err = s.rmDynamicLease(l)
@@ -274,8 +273,7 @@ func (s *v6Server) findLease(mac net.HardwareAddr) *Lease {
 func (s *v6Server) findExpiredLease() int {
 	now := time.Now().Unix()
 	for i, lease := range s.leases {
-		if lease.Expiry.Unix() != leaseExpireStatic &&
-			lease.Expiry.Unix() <= now {
+		if !lease.IsStatic && lease.Expiry.Unix() <= now {
 			return i
 		}
 	}
@@ -421,7 +419,7 @@ func (s *v6Server) commitLease(msg *dhcpv6.Message, lease *Lease) time.Duration
 		dhcpv6.MessageTypeRenew,
 		dhcpv6.MessageTypeRebind:
 
-		if lease.Expiry.Unix() != leaseExpireStatic {
+		if !lease.IsStatic {
 			s.commitDynamicLease(lease)
 		}
 	}

internal/dhcpd/v6_unix_test.go

@@ -44,7 +44,7 @@ func TestV6_AddRemove_static(t *testing.T) {
 
 	assert.Equal(t, l.IP, ls[0].IP)
 	assert.Equal(t, l.HWAddr, ls[0].HWAddr)
-	assert.EqualValues(t, leaseExpireStatic, ls[0].Expiry.Unix())
+	assert.True(t, ls[0].IsStatic)
 
 	// Try to remove non-existent static lease.
 	err = s.RemoveStaticLease(&Lease{
@@ -103,7 +103,7 @@ func TestV6_AddReplace(t *testing.T) {
 	for i, l := range ls {
 		assert.Equal(t, stLeases[i].IP, l.IP)
 		assert.Equal(t, stLeases[i].HWAddr, l.HWAddr)
-		assert.EqualValues(t, leaseExpireStatic, l.Expiry.Unix())
+		assert.True(t, l.IsStatic)
 	}
 }
 
@@ -327,10 +327,10 @@ func TestV6_FindMACbyIP(t *testing.T) {
 
 	s := &v6Server{
 		leases: []*Lease{{
-			Expiry:   time.Unix(leaseExpireStatic, 0),
 			Hostname: staticName,
 			HWAddr:   staticMAC,
 			IP:       staticIP,
+			IsStatic: true,
 		}, {
 			Expiry:   time.Unix(10, 0),
 			Hostname: anotherName,
@@ -340,10 +340,10 @@ func TestV6_FindMACbyIP(t *testing.T) {
 	}
 
 	s.leases = []*Lease{{
-		Expiry:   time.Unix(leaseExpireStatic, 0),
 		Hostname: staticName,
 		HWAddr:   staticMAC,
 		IP:       staticIP,
+		IsStatic: true,
 	}, {
 		Expiry:   time.Unix(10, 0),
 		Hostname: anotherName,

internal/dnsforward/config.go

@@ -587,11 +587,11 @@ func (s *Server) prepareTLS(proxyConfig *proxy.Config) (err error) {
 	if s.conf.StrictSNICheck {
 		if len(cert.DNSNames) != 0 {
 			s.conf.dnsNames = cert.DNSNames
-			log.Debug("dnsforward: using certificate's SAN as DNS names: %v", cert.DNSNames)
+			log.Debug("dns: using certificate's SAN as DNS names: %v", cert.DNSNames)
 			slices.Sort(s.conf.dnsNames)
 		} else {
 			s.conf.dnsNames = append(s.conf.dnsNames, cert.Subject.CommonName)
-			log.Debug("dnsforward: using certificate's CN as DNS name: %s", cert.Subject.CommonName)
+			log.Debug("dns: using certificate's CN as DNS name: %s", cert.Subject.CommonName)
 		}
 	}
 
@@ -648,30 +648,46 @@ func (s *Server) onGetCertificate(ch *tls.ClientHelloInfo) (*tls.Certificate, er
 
 // UpdatedProtectionStatus updates protection state, if the protection was
 // disabled temporarily.  Returns the updated state of protection.
-func (s *Server) UpdatedProtectionStatus() (enabled bool) {
-	changed := false
-	defer func() {
-		if changed {
-			log.Info("dns: protection is restarted after pause")
-			s.conf.ConfigModified()
-		}
-	}()
+func (s *Server) UpdatedProtectionStatus() (enabled bool, disabledUntil *time.Time) {
+	s.serverLock.RLock()
+	defer s.serverLock.RUnlock()
+
+	disabledUntil = s.conf.ProtectionDisabledUntil
+	if disabledUntil == nil {
+		return s.conf.ProtectionEnabled, nil
+	}
+
+	if time.Now().Before(*disabledUntil) {
+		return false, disabledUntil
+	}
+
+	// Update the values in a separate goroutine, unless an update is already in
+	// progress.  Since this method is called very often, and this update is a
+	// relatively rare situation, do not lock s.serverLock for writing, as that
+	// can lead to freezes.
+	//
+	// See https://github.com/AdguardTeam/AdGuardHome/issues/5661.
+	if s.protectionUpdateInProgress.CompareAndSwap(false, true) {
+		go s.enableProtectionAfterPause()
+	}
+
+	return true, nil
+}
+
+// enableProtectionAfterPause sets the protection configuration to enabled
+// values.  It is intended to be used as a goroutine.
+func (s *Server) enableProtectionAfterPause() {
+	defer log.OnPanic("dns: enabling protection after pause")
+
+	defer s.protectionUpdateInProgress.Store(false)
+
+	defer s.conf.ConfigModified()
 
 	s.serverLock.Lock()
 	defer s.serverLock.Unlock()
 
-	disabledUntil := s.conf.ProtectionDisabledUntil
-	if disabledUntil == nil {
-		return s.conf.ProtectionEnabled
-	}
-
-	if time.Now().Before(*disabledUntil) {
-		return false
-	}
-
 	s.conf.ProtectionEnabled = true
 	s.conf.ProtectionDisabledUntil = nil
-	changed = true
 
-	return true
+	log.Info("dns: protection is restarted after pause")
 }

internal/dnsforward/dns.go

@@ -22,7 +22,7 @@ import (
 // To transfer information between modules
 //
 // TODO(s.chzhen):  Add lowercased, non-FQDN version of the hostname from the
-// question of the request.
+// question of the request.  Add persistent client.
 type dnsContext struct {
 	proxyCtx *proxy.DNSContext
 
@@ -206,7 +206,7 @@ func (s *Server) processInitial(dctx *dnsContext) (rc resultCode) {
 	dctx.clientID = string(s.clientIDCache.Get(key[:]))
 
 	// Get the client-specific filtering settings.
-	dctx.protectionEnabled = s.UpdatedProtectionStatus()
+	dctx.protectionEnabled, _ = s.UpdatedProtectionStatus()
 	dctx.setts = s.getClientRequestFilteringSettings(dctx)
 
 	return resultCodeSuccess
@@ -460,7 +460,7 @@ func (s *Server) processDHCPHosts(dctx *dnsContext) (rc resultCode) {
 }
 
 // indexFirstV4Label returns the index at which the reversed IPv4 address
-// starts, assuiming the domain is pre-validated ARPA domain having in-addr and
+// starts, assuming the domain is pre-validated ARPA domain having in-addr and
 // arpa labels removed.
 func indexFirstV4Label(domain string) (idx int) {
 	idx = len(domain)
@@ -478,7 +478,7 @@ func indexFirstV4Label(domain string) (idx int) {
 }
 
 // indexFirstV6Label returns the index at which the reversed IPv6 address
-// starts, assuiming the domain is pre-validated ARPA domain having ip6 and arpa
+// starts, assuming the domain is pre-validated ARPA domain having ip6 and arpa
 // labels removed.
 func indexFirstV6Label(domain string) (idx int) {
 	idx = len(domain)

internal/dnsforward/dnsforward.go

@@ -9,6 +9,7 @@ import (
 	"runtime"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghalg"
@@ -111,6 +112,10 @@ type Server struct {
 
 	isRunning bool
 
+	// protectionUpdateInProgress is used to make sure that only one goroutine
+	// updating the protection configuration after a pause is running at a time.
+	protectionUpdateInProgress atomic.Bool
+
 	conf ServerConfig
 	// serverLock protects Server.
 	serverLock sync.RWMutex

internal/dnsforward/dnsforward_test.go

@@ -23,6 +23,7 @@ import (
 	"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
 	"github.com/AdguardTeam/AdGuardHome/internal/dhcpd"
 	"github.com/AdguardTeam/AdGuardHome/internal/filtering"
+	"github.com/AdguardTeam/AdGuardHome/internal/filtering/hashprefix"
 	"github.com/AdguardTeam/AdGuardHome/internal/filtering/safesearch"
 	"github.com/AdguardTeam/dnsproxy/proxy"
 	"github.com/AdguardTeam/dnsproxy/upstream"
@@ -453,8 +454,9 @@ func TestSafeSearch(t *testing.T) {
 		SafeSearchCacheSize: 1000,
 		CacheTime:           30,
 	}
-	safeSearch, err := safesearch.NewDefaultSafeSearch(
+	safeSearch, err := safesearch.NewDefault(
 		safeSearchConf,
+		"",
 		filterConf.SafeSearchCacheSize,
 		time.Minute*time.Duration(filterConf.CacheTime),
 	)
@@ -914,13 +916,23 @@ func TestBlockedByHosts(t *testing.T) {
 }
 
 func TestBlockedBySafeBrowsing(t *testing.T) {
-	const hostname = "wmconvirus.narod.ru"
+	const (
+		hostname  = "wmconvirus.narod.ru"
+		cacheTime = 10 * time.Minute
+		cacheSize = 10000
+	)
+
+	sbChecker := hashprefix.New(&hashprefix.Config{
+		CacheTime: cacheTime,
+		CacheSize: cacheSize,
+		Upstream:  aghtest.NewBlockUpstream(hostname, true),
+	})
 
-	sbUps := aghtest.NewBlockUpstream(hostname, true)
 	ans4, _ := (&aghtest.TestResolver{}).HostToIPs(hostname)
 
 	filterConf := &filtering.Config{
 		SafeBrowsingEnabled: true,
+		SafeBrowsingChecker: sbChecker,
 	}
 	forwardConf := ServerConfig{
 		UDPListenAddrs: []*net.UDPAddr{{}},
@@ -934,7 +946,6 @@ func TestBlockedBySafeBrowsing(t *testing.T) {
 		},
 	}
 	s := createTestServer(t, filterConf, forwardConf, nil)
-	s.dnsFilter.SetSafeBrowsingUpstream(sbUps)
 	startDeferStop(t, s)
 	addr := s.dnsProxy.Addr(proxy.ProtoUDP)
 

internal/dnsforward/http.go

@@ -101,7 +101,7 @@ type jsonDNSConfig struct {
 }
 
 func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
-	protectionEnabled := s.UpdatedProtectionStatus()
+	protectionEnabled, protectionDisabledUntil := s.UpdatedProtectionStatus()
 
 	s.serverLock.RLock()
 	defer s.serverLock.RUnlock()
@@ -128,12 +128,6 @@ func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
 	usePrivateRDNS := s.conf.UsePrivateRDNS
 	localPTRUpstreams := stringutil.CloneSliceOrEmpty(s.conf.LocalPTRResolvers)
 
-	var disabledUntil *time.Time
-	if s.conf.ProtectionDisabledUntil != nil {
-		t := *s.conf.ProtectionDisabledUntil
-		disabledUntil = &t
-	}
-
 	var upstreamMode string
 	if s.conf.FastestAddr {
 		upstreamMode = "fastest_addr"
@@ -169,7 +163,7 @@ func (s *Server) getDNSConfig() (c *jsonDNSConfig) {
 		UsePrivateRDNS:           &usePrivateRDNS,
 		LocalPTRUpstreams:        &localPTRUpstreams,
 		DefaultLocalPTRUpstreams: defLocalPTRUps,
-		DisabledUntil:            disabledUntil,
+		DisabledUntil:            protectionDisabledUntil,
 	}
 }
 

internal/dnsforward/http_test.go

@@ -18,6 +18,7 @@ import (
 	"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
 	"github.com/AdguardTeam/AdGuardHome/internal/aghnet"
 	"github.com/AdguardTeam/AdGuardHome/internal/filtering"
+	"github.com/AdguardTeam/golibs/httphdr"
 	"github.com/AdguardTeam/golibs/netutil"
 	"github.com/AdguardTeam/golibs/testutil"
 	"github.com/miekg/dns"
@@ -122,7 +123,7 @@ func TestDNSForwardHTTP_handleGetConfig(t *testing.T) {
 			s.conf = tc.conf()
 			s.handleGetConfig(w, nil)
 
-			cType := w.Header().Get(aghhttp.HdrNameContentType)
+			cType := w.Header().Get(httphdr.ContentType)
 			assert.Equal(t, aghhttp.HdrValApplicationJSON, cType)
 			assert.JSONEq(t, string(caseWant), w.Body.String())
 		})
@@ -204,8 +205,8 @@ func TestDNSForwardHTTP_handleSetConfig(t *testing.T) {
 		wantSet: `validating upstream servers: validating upstream "!!!": not an ip:port`,
 	}, {
 		name: "bootstraps_bad",
-		wantSet: `checking bootstrap a: invalid address: ` +
-			`Resolver a is not eligible to be a bootstrap DNS server`,
+		wantSet: `checking bootstrap a: invalid address: bootstrap a:53: ` +
+			`ParseAddr("a"): unable to parse IP`,
 	}, {
 		name:    "cache_bad_ttl",
 		wantSet: `cache_ttl_min must be less or equal than cache_ttl_max`,

internal/dnsforward/stats.go

@@ -40,12 +40,17 @@ func (s *Server) processQueryLogsAndStats(dctx *dnsContext) (rc resultCode) {
 
 	log.Debug("client ip: %s", ip)
 
+	ipStr := ip.String()
+	ids := []string{ipStr, dctx.clientID}
+
 	// Synchronize access to s.queryLog and s.stats so they won't be suddenly
 	// uninitialized while in use.  This can happen after proxy server has been
 	// stopped, but its workers haven't yet exited.
 	if shouldLog &&
 		s.queryLog != nil &&
-		s.queryLog.ShouldLog(host, q.Qtype, q.Qclass) {
+		// TODO(s.chzhen):  Use dnsforward.dnsContext when it will start
+		// containing persistent client.
+		s.queryLog.ShouldLog(host, q.Qtype, q.Qclass, ids) {
 		s.logQuery(dctx, pctx, elapsed, ip)
 	} else {
 		log.Debug(
@@ -56,8 +61,11 @@ func (s *Server) processQueryLogsAndStats(dctx *dnsContext) (rc resultCode) {
 		)
 	}
 
-	if s.stats != nil && s.stats.ShouldCount(host, q.Qtype, q.Qclass) {
-		s.updateStats(dctx, elapsed, *dctx.result, ip)
+	if s.stats != nil &&
+		// TODO(s.chzhen):  Use dnsforward.dnsContext when it will start
+		// containing persistent client.
+		s.stats.ShouldCount(host, q.Qtype, q.Qclass, ids) {
+		s.updateStats(dctx, elapsed, *dctx.result, ipStr)
 	}
 
 	return resultCodeSuccess
@@ -110,7 +118,7 @@ func (s *Server) updateStats(
 	ctx *dnsContext,
 	elapsed time.Duration,
 	res filtering.Result,
-	clientIP net.IP,
+	clientIP string,
 ) {
 	pctx := ctx.proxyCtx
 	e := stats.Entry{}
@@ -119,8 +127,8 @@ func (s *Server) updateStats(
 
 	if clientID := ctx.clientID; clientID != "" {
 		e.Client = clientID
-	} else if clientIP != nil {
-		e.Client = clientIP.String()
+	} else {
+		e.Client = clientIP
 	}
 
 	e.Time = uint32(elapsed / 1000)

internal/dnsforward/stats_test.go

@@ -31,7 +31,7 @@ func (l *testQueryLog) Add(p *querylog.AddParams) {
 }
 
 // ShouldLog implements the [querylog.QueryLog] interface for *testQueryLog.
-func (l *testQueryLog) ShouldLog(string, uint16, uint16) bool {
+func (l *testQueryLog) ShouldLog(string, uint16, uint16, []string) bool {
 	return true
 }
 
@@ -50,7 +50,7 @@ func (l *testStats) Update(e stats.Entry) {
 }
 
 // ShouldCount implements the [stats.Interface] interface for *testStats.
-func (l *testStats) ShouldCount(string, uint16, uint16) bool {
+func (l *testStats) ShouldCount(string, uint16, uint16, []string) bool {
 	return true
 }
 

internal/filtering/dnsrewrite.go

@@ -3,6 +3,7 @@ package filtering
 import (
 	"github.com/AdguardTeam/urlfilter/rules"
 	"github.com/miekg/dns"
+	"golang.org/x/exp/slices"
 )
 
 // DNSRewriteResult is the result of application of $dnsrewrite rules.
@@ -24,7 +25,13 @@ func (d *DNSFilter) processDNSRewrites(dnsr []*rules.NetworkRule) (res Result) {
 		Response: DNSRewriteResultResponse{},
 	}
 
-	for _, nr := range dnsr {
+	slices.SortFunc(dnsr, rewriteSortsBefore)
+
+	for i, nr := range dnsr {
+		if i > 0 && containsWildcard(nr) {
+			break
+		}
+
 		dr := nr.DNSRewrite
 		if dr.NewCNAME != "" {
 			// NewCNAME rules have a higher priority than other rules.
@@ -73,3 +80,19 @@ func (d *DNSFilter) processDNSRewrites(dnsr []*rules.NetworkRule) (res Result) {
 		Reason:           RewrittenRule,
 	}
 }
+
+func rewriteSortsBefore(a, b *rules.NetworkRule) (sortsBefore bool) {
+	return len(a.Shortcut) > len(b.Shortcut)
+}
+
+func containsWildcard(r *rules.NetworkRule) (ok bool) {
+	for _, c := range r.RuleText {
+		if c == '*' {
+			return true
+		} else if c == '^' {
+			break
+		}
+	}
+
+	return false
+}

internal/filtering/dnsrewrite_test.go

@@ -5,6 +5,7 @@ import (
 	"path"
 	"testing"
 
+	"github.com/AdguardTeam/urlfilter"
 	"github.com/miekg/dns"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -202,3 +203,32 @@ func TestDNSFilter_CheckHostRules_dnsrewrite(t *testing.T) {
 		assert.Equal(t, "new-ptr-with-dot.", ptr)
 	})
 }
+
+func TestDNSFilter_ProcessDNSRewrites(t *testing.T) {
+	const text = `
+|www.example.com^$dnsrewrite=127.0.0.1
+|*.example.com^$dnsrewrite=127.0.0.2
+`
+
+	host := "www.example.com"
+	rrtype := dns.TypeA
+
+	f, _ := newForTest(t, nil, []Filter{{ID: 0, Data: []byte(text)}})
+	setts := &Settings{
+		FilteringEnabled: true,
+	}
+
+	ufReq := &urlfilter.DNSRequest{
+		Hostname:         host,
+		SortedClientTags: setts.ClientTags,
+		ClientIP:         setts.ClientIP.String(),
+		ClientName:       setts.ClientName,
+		DNSType:          rrtype,
+	}
+
+	dres, matched := f.filteringEngine.MatchRequest(ufReq)
+	require.False(t, matched)
+
+	res := f.processDNSResultRewrites(dres, host)
+	assert.Len(t, res.Rules, 1)
+}

internal/filtering/filtering.go

@@ -18,8 +18,6 @@ import (
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghhttp"
 	"github.com/AdguardTeam/AdGuardHome/internal/aghnet"
-	"github.com/AdguardTeam/dnsproxy/upstream"
-	"github.com/AdguardTeam/golibs/cache"
 	"github.com/AdguardTeam/golibs/errors"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/mathutil"
@@ -75,6 +73,12 @@ type Resolver interface {
 
 // Config allows you to configure DNS filtering with New() or just change variables directly.
 type Config struct {
+	// SafeBrowsingChecker is the safe browsing hash-prefix checker.
+	SafeBrowsingChecker Checker `yaml:"-"`
+
+	// ParentControl is the parental control hash-prefix checker.
+	ParentalControlChecker Checker `yaml:"-"`
+
 	// enabled is used to be returned within Settings.
 	//
 	// It is of type uint32 to be accessed by atomic.
@@ -158,8 +162,22 @@ type hostChecker struct {
 	name  string
 }
 
+// Checker is used for safe browsing or parental control hash-prefix filtering.
+type Checker interface {
+	// Check returns true if request for the host should be blocked.
+	Check(host string) (block bool, err error)
+}
+
 // DNSFilter matches hostnames and DNS requests against filtering rules.
 type DNSFilter struct {
+	safeSearch SafeSearch
+
+	// safeBrowsingChecker is the safe browsing hash-prefix checker.
+	safeBrowsingChecker Checker
+
+	// parentalControl is the parental control hash-prefix checker.
+	parentalControlChecker Checker
+
 	rulesStorage    *filterlist.RuleStorage
 	filteringEngine *urlfilter.DNSEngine
 
@@ -168,14 +186,6 @@ type DNSFilter struct {
 
 	engineLock sync.RWMutex
 
-	parentalServer       string // access via methods
-	safeBrowsingServer   string // access via methods
-	parentalUpstream     upstream.Upstream
-	safeBrowsingUpstream upstream.Upstream
-
-	safebrowsingCache cache.Cache
-	parentalCache     cache.Cache
-
 	Config // for direct access by library users, even a = assignment
 	// confLock protects Config.
 	confLock sync.RWMutex
@@ -192,7 +202,6 @@ type DNSFilter struct {
 	// TODO(e.burkov):  Don't use regexp for such a simple text processing task.
 	filterTitleRegexp *regexp.Regexp
 
-	safeSearch   SafeSearch
 	hostCheckers []hostChecker
 }
 
@@ -940,19 +949,12 @@ func InitModule() {
 // be non-nil.
 func New(c *Config, blockFilters []Filter) (d *DNSFilter, err error) {
 	d = &DNSFilter{
-		refreshLock:       &sync.Mutex{},
-		filterTitleRegexp: regexp.MustCompile(`^! Title: +(.*)$`),
+		refreshLock:            &sync.Mutex{},
+		filterTitleRegexp:      regexp.MustCompile(`^! Title: +(.*)$`),
+		safeBrowsingChecker:    c.SafeBrowsingChecker,
+		parentalControlChecker: c.ParentalControlChecker,
 	}
 
-	d.safebrowsingCache = cache.New(cache.Config{
-		EnableLRU: true,
-		MaxSize:   c.SafeBrowsingCacheSize,
-	})
-	d.parentalCache = cache.New(cache.Config{
-		EnableLRU: true,
-		MaxSize:   c.ParentalCacheSize,
-	})
-
 	d.safeSearch = c.SafeSearch
 
 	d.hostCheckers = []hostChecker{{
@@ -977,11 +979,6 @@ func New(c *Config, blockFilters []Filter) (d *DNSFilter, err error) {
 
 	defer func() { err = errors.Annotate(err, "filtering: %w") }()
 
-	err = d.initSecurityServices()
-	if err != nil {
-		return nil, fmt.Errorf("initializing services: %s", err)
-	}
-
 	d.Config = *c
 	d.filtersMu = &sync.RWMutex{}
 
@@ -1038,3 +1035,69 @@ func (d *DNSFilter) Start() {
 	// So for now we just start this periodic task from here.
 	go d.periodicallyRefreshFilters()
 }
+
+// Safe browsing and parental control methods.
+
+// TODO(a.garipov): Unify with checkParental.
+func (d *DNSFilter) checkSafeBrowsing(
+	host string,
+	_ uint16,
+	setts *Settings,
+) (res Result, err error) {
+	if !setts.ProtectionEnabled || !setts.SafeBrowsingEnabled {
+		return Result{}, nil
+	}
+
+	if log.GetLevel() >= log.DEBUG {
+		timer := log.StartTimer()
+		defer timer.LogElapsed("safebrowsing lookup for %q", host)
+	}
+
+	res = Result{
+		Rules: []*ResultRule{{
+			Text:         "adguard-malware-shavar",
+			FilterListID: SafeBrowsingListID,
+		}},
+		Reason:     FilteredSafeBrowsing,
+		IsFiltered: true,
+	}
+
+	block, err := d.safeBrowsingChecker.Check(host)
+	if !block || err != nil {
+		return Result{}, err
+	}
+
+	return res, nil
+}
+
+// TODO(a.garipov): Unify with checkSafeBrowsing.
+func (d *DNSFilter) checkParental(
+	host string,
+	_ uint16,
+	setts *Settings,
+) (res Result, err error) {
+	if !setts.ProtectionEnabled || !setts.ParentalEnabled {
+		return Result{}, nil
+	}
+
+	if log.GetLevel() >= log.DEBUG {
+		timer := log.StartTimer()
+		defer timer.LogElapsed("parental lookup for %q", host)
+	}
+
+	res = Result{
+		Rules: []*ResultRule{{
+			Text:         "parental CATEGORY_BLACKLISTED",
+			FilterListID: ParentalListID,
+		}},
+		Reason:     FilteredParental,
+		IsFiltered: true,
+	}
+
+	block, err := d.parentalControlChecker.Check(host)
+	if !block || err != nil {
+		return Result{}, err
+	}
+
+	return res, nil
+}

internal/filtering/filtering_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghtest"
-	"github.com/AdguardTeam/golibs/cache"
+	"github.com/AdguardTeam/AdGuardHome/internal/filtering/hashprefix"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/testutil"
 	"github.com/AdguardTeam/urlfilter/rules"
@@ -27,17 +27,6 @@ const (
 
 // Helpers.
 
-func purgeCaches(d *DNSFilter) {
-	for _, c := range []cache.Cache{
-		d.safebrowsingCache,
-		d.parentalCache,
-	} {
-		if c != nil {
-			c.Clear()
-		}
-	}
-}
-
 func newForTest(t testing.TB, c *Config, filters []Filter) (f *DNSFilter, setts *Settings) {
 	setts = &Settings{
 		ProtectionEnabled: true,
@@ -58,11 +47,17 @@ func newForTest(t testing.TB, c *Config, filters []Filter) (f *DNSFilter, setts
 	f, err := New(c, filters)
 	require.NoError(t, err)
 
-	purgeCaches(f)
-
 	return f, setts
 }
 
+func newChecker(host string) Checker {
+	return hashprefix.New(&hashprefix.Config{
+		CacheTime: 10,
+		CacheSize: 100000,
+		Upstream:  aghtest.NewBlockUpstream(host, true),
+	})
+}
+
 func (d *DNSFilter) checkMatch(t *testing.T, hostname string, setts *Settings) {
 	t.Helper()
 
@@ -175,10 +170,14 @@ func TestSafeBrowsing(t *testing.T) {
 	aghtest.ReplaceLogWriter(t, logOutput)
 	aghtest.ReplaceLogLevel(t, log.DEBUG)
 
-	d, setts := newForTest(t, &Config{SafeBrowsingEnabled: true}, nil)
+	sbChecker := newChecker(sbBlocked)
+
+	d, setts := newForTest(t, &Config{
+		SafeBrowsingEnabled: true,
+		SafeBrowsingChecker: sbChecker,
+	}, nil)
 	t.Cleanup(d.Close)
 
-	d.SetSafeBrowsingUpstream(aghtest.NewBlockUpstream(sbBlocked, true))
 	d.checkMatch(t, sbBlocked, setts)
 
 	require.Contains(t, logOutput.String(), fmt.Sprintf("safebrowsing lookup for %q", sbBlocked))
@@ -188,18 +187,17 @@ func TestSafeBrowsing(t *testing.T) {
 	d.checkMatchEmpty(t, pcBlocked, setts)
 
 	// Cached result.
-	d.safeBrowsingServer = "127.0.0.1"
 	d.checkMatch(t, sbBlocked, setts)
 	d.checkMatchEmpty(t, pcBlocked, setts)
-	d.safeBrowsingServer = defaultSafebrowsingServer
 }
 
 func TestParallelSB(t *testing.T) {
-	d, setts := newForTest(t, &Config{SafeBrowsingEnabled: true}, nil)
+	d, setts := newForTest(t, &Config{
+		SafeBrowsingEnabled: true,
+		SafeBrowsingChecker: newChecker(sbBlocked),
+	}, nil)
 	t.Cleanup(d.Close)
 
-	d.SetSafeBrowsingUpstream(aghtest.NewBlockUpstream(sbBlocked, true))
-
 	t.Run("group", func(t *testing.T) {
 		for i := 0; i < 100; i++ {
 			t.Run(fmt.Sprintf("aaa%d", i), func(t *testing.T) {
@@ -220,10 +218,12 @@ func TestParentalControl(t *testing.T) {
 	aghtest.ReplaceLogWriter(t, logOutput)
 	aghtest.ReplaceLogLevel(t, log.DEBUG)
 
-	d, setts := newForTest(t, &Config{ParentalEnabled: true}, nil)
+	d, setts := newForTest(t, &Config{
+		ParentalEnabled:        true,
+		ParentalControlChecker: newChecker(pcBlocked),
+	}, nil)
 	t.Cleanup(d.Close)
 
-	d.SetParentalUpstream(aghtest.NewBlockUpstream(pcBlocked, true))
 	d.checkMatch(t, pcBlocked, setts)
 	require.Contains(t, logOutput.String(), fmt.Sprintf("parental lookup for %q", pcBlocked))
 
@@ -233,7 +233,6 @@ func TestParentalControl(t *testing.T) {
 	d.checkMatchEmpty(t, "api.jquery.com", setts)
 
 	// Test cached result.
-	d.parentalServer = "127.0.0.1"
 	d.checkMatch(t, pcBlocked, setts)
 	d.checkMatchEmpty(t, "yandex.ru", setts)
 }
@@ -593,8 +592,10 @@ func applyClientSettings(setts *Settings) {
 func TestClientSettings(t *testing.T) {
 	d, setts := newForTest(t,
 		&Config{
-			ParentalEnabled:     true,
-			SafeBrowsingEnabled: false,
+			ParentalEnabled:        true,
+			SafeBrowsingEnabled:    false,
+			SafeBrowsingChecker:    newChecker(sbBlocked),
+			ParentalControlChecker: newChecker(pcBlocked),
 		},
 		[]Filter{{
 			ID: 0, Data: []byte("||example.org^\n"),
@@ -602,9 +603,6 @@ func TestClientSettings(t *testing.T) {
 	)
 	t.Cleanup(d.Close)
 
-	d.SetParentalUpstream(aghtest.NewBlockUpstream(pcBlocked, true))
-	d.SetSafeBrowsingUpstream(aghtest.NewBlockUpstream(sbBlocked, true))
-
 	type testCase struct {
 		name       string
 		host       string
@@ -665,11 +663,12 @@ func TestClientSettings(t *testing.T) {
 // Benchmarks.
 
 func BenchmarkSafeBrowsing(b *testing.B) {
-	d, setts := newForTest(b, &Config{SafeBrowsingEnabled: true}, nil)
+	d, setts := newForTest(b, &Config{
+		SafeBrowsingEnabled: true,
+		SafeBrowsingChecker: newChecker(sbBlocked),
+	}, nil)
 	b.Cleanup(d.Close)
 
-	d.SetSafeBrowsingUpstream(aghtest.NewBlockUpstream(sbBlocked, true))
-
 	for n := 0; n < b.N; n++ {
 		res, err := d.CheckHost(sbBlocked, dns.TypeA, setts)
 		require.NoError(b, err)
@@ -679,11 +678,12 @@ func BenchmarkSafeBrowsing(b *testing.B) {
 }
 
 func BenchmarkSafeBrowsingParallel(b *testing.B) {
-	d, setts := newForTest(b, &Config{SafeBrowsingEnabled: true}, nil)
+	d, setts := newForTest(b, &Config{
+		SafeBrowsingEnabled: true,
+		SafeBrowsingChecker: newChecker(sbBlocked),
+	}, nil)
 	b.Cleanup(d.Close)
 
-	d.SetSafeBrowsingUpstream(aghtest.NewBlockUpstream(sbBlocked, true))
-
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
 			res, err := d.CheckHost(sbBlocked, dns.TypeA, setts)