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Pull request 1964: AG-23599 use hostsfile

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Merge in DNS/adguard-home from AG-23599-use-hostsfile to master

Squashed commit of the following:

commit 4766e67a9d5faa4bc89a2a935d187ce4829f7214
Merge: 38369360b 762e5be97
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Aug 22 16:33:54 2023 +0300

    Merge branch 'master' into AG-23599-use-hostsfile

commit 38369360b7d0e5c9ec373c5a06bac8792ca9cd69
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Aug 21 18:09:15 2023 +0300

    filtering: imp tests

commit 1c4d4a9f9639f048173e1c949f39f9ecb6ed0347
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Aug 21 14:00:10 2023 +0300

    filtering: imp cognit, cyclo

commit c50c33d7240c2812a715759fabf140e02184b729
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Aug 21 12:57:31 2023 +0300

    filtering: imp code

commit 92203b16719a717a2946c0401e166b1b38ddb7bc
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Aug 18 17:39:11 2023 +0300

    all: imp code, docs

commit 523e8cd50f9136feede657385b7274fa6ba64131
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Aug 17 15:14:02 2023 +0300

    all: fix ipv6

commit 6ce4537132615cbdc34a0b1f326fedd2b63c355d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Aug 17 14:17:27 2023 +0300

    all: rm urlfilter from hosts

commit d6666e851680c7e586325ea5970e0356ab919074
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Aug 16 15:09:52 2023 +0300

    WIP

commit 4a2732960558bef6636d3c428bad4c7c830016ca
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Aug 16 14:47:13 2023 +0300

    all: use hostsfile
This commit is contained in:
Eugene Burkov
2023-08-22 16:45:11 +03:00
parent 762e5be97a
commit 4b4036fa6a
14 changed files with 639 additions and 753 deletions
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30
internal/filtering/rewrites.go
View File

@@ -6,6 +6,7 @@ import (
"strings"
"github.com/AdguardTeam/golibs/errors"
"github.com/AdguardTeam/golibs/log"
"github.com/AdguardTeam/golibs/mathutil"
"github.com/miekg/dns"
"golang.org/x/exp/slices"
@@ -200,3 +201,32 @@ func findRewrites(
return rewrites, matched
}
// setRewriteResult sets the Reason or IPList of res if necessary. res must not
// be nil.
func setRewriteResult(res *Result, host string, rewrites []*LegacyRewrite, qtype uint16) {
for _, rw := range rewrites {
if rw.Type == qtype && (qtype == dns.TypeA || qtype == dns.TypeAAAA) {
if rw.IP == nil {
// "A"/"AAAA" exception: allow getting from upstream.
res.Reason = NotFilteredNotFound
return
}
res.IPList = append(res.IPList, rw.IP)
log.Debug("rewrite: a/aaaa for %s is %s", host, rw.IP)
}
}
}
// cloneRewrites returns a deep copy of entries.
func cloneRewrites(entries []*LegacyRewrite) (clone []*LegacyRewrite) {
clone = make([]*LegacyRewrite, len(entries))
for i, rw := range entries {
clone[i] = rw.clone()
}
return clone
}