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Pull request 1779: 3290-docker-healthcheck

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Merge in DNS/adguard-home from 3290-docker-healthcheck to master

Updates #3290.

Squashed commit of the following:

commit 3ac8f26c1c22855d973910fd13c096776aa8dfa6
Merge: bc17565f 0df32601
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 27 01:09:03 2023 +0500

    Merge branch 'master' into 3290-docker-healthcheck

commit bc17565fcb5acba68129734450fb08b4fe341771
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Sun Mar 26 18:04:08 2023 +0500

    all: fix script

commit e150fee8025dacdc5aa1d12916d1f42e89216156
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Sun Mar 26 17:18:12 2023 +0500

    all: imp naming

commit 26b6448d10af39f8363eadd962af228a9d4ae51d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Sun Mar 26 03:13:47 2023 +0500

    all: support https web

commit b5c09ce8b2ac52d6e47a00f76125bee229f616a0
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Sat Mar 25 20:03:45 2023 +0500

    all: imp scripts fmt, naming

commit 8c3798c46974e48cc0c379c2ecc46a6d8d54164b
Merge: e33b0c5c fb7b8bba
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Sat Mar 25 00:25:38 2023 +0500

    Merge branch 'master' into 3290-docker-healthcheck

commit e33b0c5cbfe5a28b29734c9ceee046b0f82a0efe
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 24 16:47:26 2023 +0500

    all: fix docs

commit 57bfd898b9c468b2b72eba06294ed5e5e0226c20
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 24 16:44:40 2023 +0500

    dnsforward: add special-use domain handling

commit f04ae13f441a25d0b4dc1359b328552f7507fc23
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 24 16:05:10 2023 +0500

    all: imp code

commit 32f150f88390320d2da85b54e27f6c751eccb851
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 24 04:19:10 2023 +0500

    all: mv Dockerfile, log changes

commit a094a44ccfa26988f0e71f19288e08b26e255e2b
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 24 04:04:27 2023 +0500

    all: finish scripts, imp names

commit 4db0d0e7cb7ed69030994bc1b579534dd2c3395d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Mar 23 18:33:47 2023 +0500

    docker: add script and awk program
This commit is contained in:
Eugene Burkov
2023-03-26 23:12:24 +03:00
parent 0df32601bb
commit d58772f177
8 changed files with 167 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
internal/dnsforward/dns.go
View File

@@ -184,6 +184,21 @@ func (s *Server) processInitial(dctx *dnsContext) (rc resultCode) {
return resultCodeFinish
}
// Handle a reserved domain healthcheck.adguardhome.test.
//
// [Section 6.2 of RFC 6761] states that DNS Registries/Registrars must not
// grant requests to register test names in the normal way to any person or
// entity, making domain names under test. TLD free to use in internal
// purposes.
//
// [Section 6.2 of RFC 6761]: https://www.rfc-editor.org/rfc/rfc6761.html#section-6.2
if q.Name == "healthcheck.adguardhome.test." {
// Generate a NODATA negative response to make nslookup exit with 0.
pctx.Res = s.makeResponse(pctx.Req)
return resultCodeFinish
}
// Get the ClientID, if any, before getting client-specific filtering
// settings.
var key [8]byte

2
internal/dnsforward/dns64.go
View File

@@ -36,8 +36,6 @@ func (s *Server) setupDNS64() {
// valid IPv4. It panics, if there are no configured DNS64 prefixes, because
// synthesis should not be performed unless DNS64 function enabled.
func (s *Server) mapDNS64(ip netip.Addr) (mapped net.IP) {
// Don't mask the address here since it should have already been masked on
// initialization stage.
pref := s.dns64Pref.Masked().Addr().As16()
ipData := ip.As4()