Pull request: 5190-clear-cache

Updates #4695.
Updates #5190.

Squashed commit of the following:

commit f4156f54ebd1b0c96318715441da1dc54cbbfb0f
Author: Ildar Kamalov <ik@adguard.com>
Date:   Fri Dec 2 16:19:03 2022 +0300

    client: button styles

commit 42cd8ac8ac1abb5c43a42065e2374d11f2d9a62b
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Dec 2 15:39:15 2022 +0300

    all: upd dnsproxy

commit 87b04391afeaed28523448aa12a317300e718b72
Author: Ildar Kamalov <ik@adguard.com>
Date:   Fri Dec 2 15:19:07 2022 +0300

    client: add clear cache button

commit ee99548b3689ce47959d9bddc6a1e866e773dcc3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Dec 1 18:54:54 2022 +0300

    all: add cache clear

CHANGELOG.md

@@ -25,6 +25,10 @@ See also the [v0.107.20 GitHub milestone][ms-v0.107.20].
 [ms-v0.107.20]: https://github.com/AdguardTeam/AdGuardHome/milestone/56?closed=1
 -->
 
+### Added
+
+- The ability to clear the DNS cache ([#5190]).
+
 ### Changed
 
 - DHCP server initialization errors are now logged at debug level if the server
@@ -39,6 +43,7 @@ See also the [v0.107.20 GitHub milestone][ms-v0.107.20].
 
 [#4944]: https://github.com/AdguardTeam/AdGuardHome/issues/4944
 [#5189]: https://github.com/AdguardTeam/AdGuardHome/issues/5189
+[#5190]: https://github.com/AdguardTeam/AdGuardHome/issues/5190
 
 
 

client/src/__locales/en.json

@@ -638,5 +638,8 @@
     "safe_browsing": "Safe Browsing",
     "served_from_cache": "{{value}} <i>(served from cache)</i>",
     "form_error_password_length": "Password must be at least {{value}} characters long",
-    "anonymizer_notification": "<0>Note:</0> IP anonymization is enabled. You can disable it in <1>General settings</1>."
+    "anonymizer_notification": "<0>Note:</0> IP anonymization is enabled. You can disable it in <1>General settings</1>.",
+    "confirm_dns_cache_clear": "Are you sure you want to clear DNS cache?",
+    "cache_cleared": "DNS cache successfully cleared",
+    "clear_cache": "Clear cache"
 }

client/src/actions/dnsConfig.js

@@ -1,4 +1,5 @@
 import { createAction } from 'redux-actions';
+import i18next from 'i18next';
 
 import apiClient from '../api/Api';
 import { splitByNewLine } from '../helpers/helpers';
@@ -19,6 +20,22 @@ export const getDnsConfig = () => async (dispatch) => {
     }
 };
 
+export const clearDnsCacheRequest = createAction('CLEAR_DNS_CACHE_REQUEST');
+export const clearDnsCacheFailure = createAction('CLEAR_DNS_CACHE_FAILURE');
+export const clearDnsCacheSuccess = createAction('CLEAR_DNS_CACHE_SUCCESS');
+
+export const clearDnsCache = () => async (dispatch) => {
+    dispatch(clearDnsCacheRequest());
+    try {
+        const data = await apiClient.clearCache();
+        dispatch(clearDnsCacheSuccess(data));
+        dispatch(addSuccessToast(i18next.t('cache_cleared')));
+    } catch (error) {
+        dispatch(addErrorToast({ error }));
+        dispatch(clearDnsCacheFailure());
+    }
+};
+
 export const setDnsConfigRequest = createAction('SET_DNS_CONFIG_REQUEST');
 export const setDnsConfigFailure = createAction('SET_DNS_CONFIG_FAILURE');
 export const setDnsConfigSuccess = createAction('SET_DNS_CONFIG_SUCCESS');

client/src/api/Api.js

@@ -593,6 +593,14 @@ class Api {
         };
         return this.makeRequest(path, method, config);
     }
+
+    // Cache
+    CLEAR_CACHE = { path: 'cache_clear', method: 'POST' };
+
+    clearCache() {
+        const { path, method } = this.CLEAR_CACHE;
+        return this.makeRequest(path, method);
+    }
 }
 
 const apiClient = new Api();

client/src/components/Settings/Dns/Cache/Form.js

@@ -2,10 +2,12 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { Field, reduxForm } from 'redux-form';
 import { Trans, useTranslation } from 'react-i18next';
-import { shallowEqual, useSelector } from 'react-redux';
+import { shallowEqual, useDispatch, useSelector } from 'react-redux';
+
 import { renderInputField, toNumber, CheckboxField } from '../../../../helpers/form';
 import { CACHE_CONFIG_FIELDS, FORM_NAME, UINT32_RANGE } from '../../../../helpers/constants';
 import { replaceZeroWithEmptyString } from '../../../../helpers/helpers';
+import { clearDnsCache } from '../../../../actions/dnsConfig';
 
 const INPUTS_FIELDS = [
     {
@@ -32,6 +34,7 @@ const Form = ({
     handleSubmit, submitting, invalid,
 }) => {
     const { t } = useTranslation();
+    const dispatch = useDispatch();
 
     const { processingSetConfig } = useSelector((state) => state.dnsConfig, shallowEqual);
     const {
@@ -40,6 +43,12 @@ const Form = ({
 
     const minExceedsMax = cache_ttl_min > cache_ttl_max;
 
+    const handleClearCache = () => {
+        if (window.confirm(t('confirm_dns_cache_clear'))) {
+            dispatch(clearDnsCache());
+        }
+    };
+
     return <form onSubmit={handleSubmit}>
         <div className="row">
             {INPUTS_FIELDS.map(({
@@ -97,6 +106,13 @@ const Form = ({
         >
             <Trans>save_btn</Trans>
         </button>
+        <button
+            type="button"
+            className="btn btn-outline-secondary btn-standard form__button"
+            onClick={handleClearCache}
+        >
+            <Trans>clear_cache</Trans>
+        </button>
     </form>;
 };
 

go.mod

@@ -3,7 +3,7 @@ module github.com/AdguardTeam/AdGuardHome
 go 1.18
 
 require (
-	github.com/AdguardTeam/dnsproxy v0.46.2
+	github.com/AdguardTeam/dnsproxy v0.46.4
 	github.com/AdguardTeam/golibs v0.11.3
 	github.com/AdguardTeam/urlfilter v0.16.0
 	github.com/NYTimes/gziphandler v1.1.1
@@ -18,7 +18,7 @@ require (
 	github.com/google/uuid v1.3.0
 	github.com/insomniacslk/dhcp v0.0.0-20221001123530-5308ebe5334c
 	github.com/kardianos/service v1.2.2
-	github.com/lucas-clemente/quic-go v0.29.2
+	github.com/lucas-clemente/quic-go v0.31.0
 	github.com/mdlayher/ethernet v0.0.0-20220221185849-529eae5b6118
 	github.com/mdlayher/netlink v1.6.2
 	// TODO(a.garipov): This package is deprecated; find a new one or use
@@ -47,16 +47,14 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/golang/mock v1.6.0 // indirect
+	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/josharian/native v1.0.0 // indirect
 	github.com/marten-seemann/qpack v0.3.0 // indirect
 	github.com/marten-seemann/qtls-go1-18 v0.1.3 // indirect
 	github.com/marten-seemann/qtls-go1-19 v0.1.1 // indirect
 	github.com/mdlayher/packet v1.0.0 // indirect
 	github.com/mdlayher/socket v0.2.3 // indirect
-	github.com/nxadm/tail v1.4.8 // indirect
-	github.com/onsi/ginkgo v1.16.5 // indirect
 	github.com/onsi/ginkgo/v2 v2.5.0 // indirect
-	github.com/onsi/gomega v1.24.0 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
@@ -65,5 +63,4 @@ require (
 	golang.org/x/sync v0.1.0 // indirect
 	golang.org/x/text v0.4.0 // indirect
 	golang.org/x/tools v0.2.0 // indirect
-	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 )

go.sum

@@ -1,5 +1,5 @@
-github.com/AdguardTeam/dnsproxy v0.46.2 h1:ZUKM713Ts5meYQqk6cJkUBMCFSWqFPXTgjXkN4RI1Vo=
+github.com/AdguardTeam/dnsproxy v0.46.4 h1:/+wnTG0q2TkGQyA1PeSsjv4/f5ZprGduKPSoOcG+rOU=
-github.com/AdguardTeam/dnsproxy v0.46.2/go.mod h1:PAmRzFqls0E92XTglyY2ESAqMAzZJhHKErG1ZpRnpjA=
+github.com/AdguardTeam/dnsproxy v0.46.4/go.mod h1:yYDMAH6ay2PxLcLtfVM3FUiyv/U9B/zYO+cIIssuJNU=
 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 v0.11.3 h1:Oif+REq2WLycQ2Xm3ZPmJdfftptss0HbGWbxdFaC310=
@@ -25,6 +25,9 @@ github.com/beefsack/go-rate v0.0.0-20220214233405-116f4ca011a0 h1:0b2vaepXIfMsG+
 github.com/beefsack/go-rate v0.0.0-20220214233405-116f4ca011a0/go.mod h1:6YNgTHLutezwnBvyneBbwvB8C82y3dcoOj5EQJIdGXA=
 github.com/bluele/gcache v0.0.2 h1:WcbfdXICg7G/DGBh1PFfcirkWOQV+v077yF1pSy3DGw=
 github.com/bluele/gcache v0.0.2/go.mod h1:m15KV+ECjptwSPxKhOhQoAFQVtUFjTVkc3H8o0t/fp0=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -34,8 +37,6 @@ github.com/digineo/go-ipset/v2 v2.2.1/go.mod h1:wBsNzJlZlABHUITkesrggFnZQtgW5wkq
 github.com/dimfeld/httptreemux/v5 v5.5.0 h1:p8jkiMrCuZ0CmhwYLcbNbl7DDo21fozhKHQ2PccwOFQ=
 github.com/dimfeld/httptreemux/v5 v5.5.0/go.mod h1:QeEylH57C0v3VO0tkKraVz9oD3Uu93CKPnTLbsidvSw=
 github.com/fanliao/go-promise v0.0.0-20141029170127-1890db352a72/go.mod h1:PjfxuH4FZdUyfMdtBio2lsRr1AKEaVPwelzuHuh8Lqc=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
@@ -47,13 +48,6 @@ github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 h1:p104kn46Q8Wd
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -66,15 +60,17 @@ 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 v0.0.0-20210407192527-94a9f03dee38 h1:yAJXTCF9TqKcTiHJAE8dj7HMvPfh66eeA2JYW7eFpSE=
+github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 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=
 github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
 github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
-github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714 h1:/jC7qQFrv8CrSJVmaolDVOxTfS9kc36uB6H40kdbQq8=
 github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714/go.mod h1:2Goc3h8EklBH5mspfHFxBnEoURQCGzQQH1ga9Myjvis=
+github.com/ianlancetaylor/demangle v0.0.0-20200824232613-28f6c0f3b639/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
 github.com/insomniacslk/dhcp v0.0.0-20221001123530-5308ebe5334c h1:OCFM4+DXTWfNlyeoddrTwdup/ztkGSyAMR2UGcPckNQ=
 github.com/insomniacslk/dhcp v0.0.0-20221001123530-5308ebe5334c/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
@@ -91,8 +87,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/lucas-clemente/quic-go v0.29.2 h1:O8Mt0O6LpvEW+wfC40vZdcw0DngwYzoxq5xULZNzSI8=
+github.com/lucas-clemente/quic-go v0.31.0 h1:MfNp3fk0wjWRajw6quMFA3ap1AVtlU+2mtwmbVogB2M=
-github.com/lucas-clemente/quic-go v0.29.2/go.mod h1:g6/h9YMmLuU54tL1gW25uIi3VlBp3uv+sBihplIuskE=
+github.com/lucas-clemente/quic-go v0.31.0/go.mod h1:0wFbizLgYzqHqtlyxyCaJKlE7bYgE6JQ+54TLd/Dq2g=
 github.com/marten-seemann/qpack v0.3.0 h1:UiWstOgT8+znlkDPOg2+3rIuYXJ2CnGDkGUXN6ki6hE=
 github.com/marten-seemann/qpack v0.3.0/go.mod h1:cGfKPBiP4a9EQdxCwEwI/GEeWAsjSekBvx/X8mh58+g=
 github.com/marten-seemann/qtls-go1-18 v0.1.3 h1:R4H2Ks8P6pAtUagjFty2p7BVHn3XiwDAl7TTQf5h7TI=
@@ -124,19 +120,9 @@ github.com/miekg/dns v1.1.50 h1:DQUfb9uc6smULcREF09Uc+/Gd46YWqJd5DbpPE9xkcA=
 github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
-github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
-github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
-github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
-github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
-github.com/onsi/ginkgo v1.16.5 h1:8xi0RTUf59SOSfEtZMvwTvXYMzG4gV23XVHOZiXNtnE=
-github.com/onsi/ginkgo v1.16.5/go.mod h1:+E8gABHa3K6zRBolWtd+ROzc/U5bkGt0FwiG042wbpU=
 github.com/onsi/ginkgo/v2 v2.5.0 h1:TRtrvv2vdQqzkwrQ1ke6vtXf7IK34RBUJafIy1wMwls=
 github.com/onsi/ginkgo/v2 v2.5.0/go.mod h1:Luc4sArBICYCS8THh8v3i3i5CuSZO+RaQRaJoeNwomw=
-github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
-github.com/onsi/gomega v1.10.1/go.mod h1:iN09h71vgCQne3DLsj+A5owkum+a2tYe+TOCB1ybHNo=
 github.com/onsi/gomega v1.24.0 h1:+0glovB9Jd6z3VR+ScSwQqXVTIfJcGA9UBM8yzQxhqg=
-github.com/onsi/gomega v1.24.0/go.mod h1:Z/NWtiqwBrwUt4/2loMmHL63EDLnYHmVbuBpDr2vQAg=
 github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
 github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
@@ -168,7 +154,6 @@ github.com/tklauser/numcpus v0.3.0/go.mod h1:yFGUr7TUHQRAhyqBcEg0Ge34zDBAsIvJJcy
 github.com/u-root/uio v0.0.0-20210528114334-82958018845c/go.mod h1:LpEX5FO/cB+WF4TYGY1V5qktpaZLkKkSegbr0V4eYXA=
 github.com/u-root/uio v0.0.0-20220204230159-dac05f7d2cb4 h1:hl6sK6aFgTLISijk6xIzeqnPzQcsLqqvL6vEfTPinME=
 github.com/u-root/uio v0.0.0-20220204230159-dac05f7d2cb4/go.mod h1:LpEX5FO/cB+WF4TYGY1V5qktpaZLkKkSegbr0V4eYXA=
-github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
 go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
@@ -181,11 +166,9 @@ golang.org/x/exp v0.0.0-20221106115401-f9659909a136 h1:Fq7F/w7MAa1KJ5bt2aJ62ihqp
 golang.org/x/exp v0.0.0-20221106115401-f9659909a136/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 v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
 golang.org/x/mod v0.6.0/go.mod h1:4mET923SAdbXp2ki8ey+zGs1SLqsuM2Y0uvdZR/fUNI=
-golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 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=
@@ -195,10 +178,8 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201016165138-7b1cca2348c0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
@@ -208,14 +189,11 @@ golang.org/x/net v0.0.0-20210929193557-e81a3d93ecf6/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20220923203811-8be639271d50/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
 golang.org/x/net v0.1.0 h1:hZ/3BUoy5aId7sCpA/Tc5lt8DkFgdVS2onTpJsZ/fl0=
 golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/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 v0.0.0-20220923202941-7f9b1623fab7/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190322080309-f49334f85ddc/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -224,13 +202,10 @@ golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190418153312-f0ce4c0180be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606122018-79a91cf218c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -238,7 +213,6 @@ golang.org/x/sys v0.0.0-20201015000850-e3ed0017c211/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201017003518-b09fb700fbb7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201101102859-da207088b7d1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210315160823-c6e025ad8005/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -269,7 +243,6 @@ golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGm
 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 v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
@@ -278,26 +251,15 @@ golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8T
 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=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v1 v1.0.0-20140924161607-9f9df34309c0/go.mod h1:WDnlLJ4WF5VGsH/HVa3CI79GS0ol3YnhVnKP89i0kNg=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

internal/dnsforward/http.go

@@ -3,6 +3,7 @@ package dnsforward
 import (
 	"encoding/json"
 	"fmt"
+	"io"
 	"net"
 	"net/http"
 	"net/netip"
@@ -669,6 +670,12 @@ func (s *Server) handleTestUpstreamDNS(w http.ResponseWriter, r *http.Request) {
 	_ = aghhttp.WriteJSONResponse(w, r, result)
 }
 
+// handleCacheClear is the handler for the POST /control/cache_clear HTTP API.
+func (s *Server) handleCacheClear(w http.ResponseWriter, _ *http.Request) {
+	s.dnsProxy.ClearCache()
+	_, _ = io.WriteString(w, "OK")
+}
+
 // handleDoH is the DNS-over-HTTPs handler.
 //
 // Control flow:
@@ -703,6 +710,8 @@ func (s *Server) registerHandlers() {
 	s.conf.HTTPRegister(http.MethodGet, "/control/access/list", s.handleAccessList)
 	s.conf.HTTPRegister(http.MethodPost, "/control/access/set", s.handleAccessSet)
 
+	s.conf.HTTPRegister(http.MethodPost, "/control/cache_clear", s.handleCacheClear)
+
 	// Register both versions, with and without the trailing slash, to
 	// prevent a 301 Moved Permanently redirect when clients request the
 	// path without the trailing slash.  Those redirects break some clients.

openapi/CHANGELOG.md

@@ -6,6 +6,14 @@
 
 
 
+## v0.107.20: API Changes
+
+### `POST /control/cache_clear`
+
+* The new `POST /control/cache_clear` HTTP API allows clearing the DNS cache.
+
+
+
 ## v0.107.17: API Changes
 
 ### `GET /control/blocked_services/services` is deprecated

openapi/openapi.yaml

@@ -94,6 +94,15 @@
       'responses':
         '200':
           'description': 'OK'
+  '/cache_clear':
+    'post':
+      'tags':
+      - 'global'
+      'operationId': 'cacheClear'
+      'summary': 'Clear DNS cache'
+      'responses':
+        '200':
+          'description': 'OK'
   '/test_upstream_dns':
     'post':
       'tags':