[chore]: Bump github.com/miekg/dns from 1.1.50 to 1.1.51 (#1566)

Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.50 to 1.1.51.
- [Release notes](https://github.com/miekg/dns/releases)
- [Changelog](https://github.com/miekg/dns/blob/master/Makefile.release)
- [Commits](https://github.com/miekg/dns/compare/v1.1.50...v1.1.51)

---
updated-dependencies:
- dependency-name: github.com/miekg/dns
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -34,7 +34,7 @@ require (
 	github.com/jackc/pgconn v1.13.0
 	github.com/jackc/pgx/v4 v4.17.2
 	github.com/microcosm-cc/bluemonday v1.0.22
-	github.com/miekg/dns v1.1.50
+	github.com/miekg/dns v1.1.51
 	github.com/minio/minio-go/v7 v7.0.49
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/oklog/ulid v1.3.1
@@ -148,9 +148,9 @@ require (
 	github.com/vmihailenco/msgpack/v5 v5.3.5 // indirect
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
 	golang.org/x/arch v0.0.0-20210923205945-b76863e36670 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20220907135952-02c991387e35 // indirect
+	golang.org/x/mod v0.7.0 // indirect
 	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/tools v0.1.12 // indirect
+	golang.org/x/tools v0.3.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect

go.sum

@@ -440,8 +440,8 @@ github.com/mattn/go-isatty v0.0.17/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
 github.com/microcosm-cc/bluemonday v1.0.22 h1:p2tT7RNzRdCi0qmwxG+HbqD6ILkmwter1ZwVZn1oTxA=
 github.com/microcosm-cc/bluemonday v1.0.22/go.mod h1:ytNkv4RrDrLJ2pqlsSI46O6IVXmZOBBD4SaJyDwwTkM=
-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/miekg/dns v1.1.51 h1:0+Xg7vObnhrz/4ZCZcZh7zPXlmU0aveS2HDBd0m0qSo=
+github.com/miekg/dns v1.1.51/go.mod h1:2Z9d3CP1LQWihRZUf29mQ19yDThaI4DAYzte2CaQW5c=
 github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
 github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
 github.com/minio/minio-go/v7 v7.0.49 h1:dE5DfOtnXMXCjr/HWI6zN9vCrY6Sv666qhhiwUMvGV4=
@@ -619,7 +619,6 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
-github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 github.com/yuin/goldmark v1.5.4 h1:2uY/xC0roWy8IBEGLgB1ywIoEJFGmRrX21YQcvGZzjU=
 github.com/yuin/goldmark v1.5.4/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
@@ -704,10 +703,9 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.6.0-dev.0.20220907135952-02c991387e35 h1:CZP0Rbk/s1EIiUMx5DS2MhK2ct52xpQxqddVD0FmF+o=
-golang.org/x/mod v0.6.0-dev.0.20220907135952-02c991387e35/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/mod v0.7.0 h1:LapD9S96VoQRhi/GrNTqeBJFrUjs5UHCAtTlgwA5oZA=
+golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -743,10 +741,9 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
 golang.org/x/net v0.3.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
@@ -777,6 +774,7 @@ golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/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 v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -823,10 +821,8 @@ golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -838,12 +834,14 @@ golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220908164124-27713097b956/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
 golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
 golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -854,6 +852,7 @@ golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/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 v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
@@ -915,9 +914,9 @@ golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.12 h1:VveCTK38A2rkS8ZqFY25HIDFscX5X9OoEhJd3quQmXU=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/tools v0.3.0 h1:SrNbZl6ECOS1qFzgTdQfWXZM9XBkiA6tkFrH9YSTPHM=
+golang.org/x/tools v0.3.0/go.mod h1:/rWhSS2+zyEVwoJf8YAX6L2f0ntZ7Kn/mGgAWcipA5k=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

vendor/github.com/miekg/dns/LICENSE

@@ -1,30 +1,29 @@
-Copyright (c) 2009 The Go Authors. All rights reserved.
+BSD 3-Clause License
+
+Copyright (c) 2009, The Go Authors. Extensions copyright (c) 2011, Miek Gieben. 
+All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
+modification, are permitted provided that the following conditions are met:
 
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-As this is fork of the official Go code the same license applies.
-Extensions of the original work are copyright (c) 2011 Miek Gieben

vendor/github.com/miekg/dns/README.md

@@ -77,6 +77,10 @@ A not-so-up-to-date-list-that-may-be-actually-current:
 * https://ping.sx/dig
 * https://fleetdeck.io/
 * https://github.com/markdingo/autoreverse
+* https://github.com/slackhq/nebula
+* https://github.com/dnschecktool/dow-proxy
+* https://dnscheck.tools/
+* https://github.com/egbakou/domainverifier
 
 
 Send pull request if you want to be listed here.
@@ -140,6 +144,7 @@ Example programs can be found in the `github.com/miekg/exdns` repository.
 * 340{1,2,3} - NAPTR record
 * 3445 - Limiting the scope of (DNS)KEY
 * 3597 - Unknown RRs
+* 4025 - A Method for Storing IPsec Keying Material in DNS
 * 403{3,4,5} - DNSSEC + validation functions
 * 4255 - SSHFP record
 * 4343 - Case insensitivity
@@ -175,6 +180,7 @@ Example programs can be found in the `github.com/miekg/exdns` repository.
 * 8080 - EdDSA for DNSSEC
 * 8499 - DNS Terminology
 * 8659 - DNS Certification Authority Authorization (CAA) Resource Record
+* 8777 - DNS Reverse IP Automatic Multicast Tunneling (AMT) Discovery
 * 8914 - Extended DNS Errors
 * 8976 - Message Digest for DNS Zones (ZONEMD RR)
 

vendor/github.com/miekg/dns/acceptfunc.go

@@ -19,7 +19,6 @@
 // * has more than 0 RRs in the Authority section
 //
 // * has more than 2 RRs in the Additional section
-//
 var DefaultMsgAcceptFunc MsgAcceptFunc = defaultMsgAcceptFunc
 
 // MsgAcceptAction represents the action to be taken.

vendor/github.com/miekg/dns/client.go

@@ -185,7 +185,7 @@ func (c *Client) Exchange(m *Msg, address string) (r *Msg, rtt time.Duration, er
 // that entails when using "tcp" and especially "tcp-tls" clients.
 //
 // When the singleflight is set for this client the context is _not_ forwarded to the (shared) exchange, to
-// prevent one cancelation from canceling all outstanding requests.
+// prevent one cancellation from canceling all outstanding requests.
 func (c *Client) ExchangeWithConn(m *Msg, conn *Conn) (r *Msg, rtt time.Duration, err error) {
 	return c.exchangeWithConnContext(context.Background(), m, conn)
 }
@@ -198,7 +198,7 @@ func (c *Client) exchangeWithConnContext(ctx context.Context, m *Msg, conn *Conn
 	q := m.Question[0]
 	key := fmt.Sprintf("%s:%d:%d", q.Name, q.Qtype, q.Qclass)
 	r, rtt, err, shared := c.group.Do(key, func() (*Msg, time.Duration, error) {
-		// When we're doing singleflight we don't want one context cancelation, cancel _all_ outstanding queries.
+		// When we're doing singleflight we don't want one context cancellation, cancel _all_ outstanding queries.
 		// Hence we ignore the context and use Background().
 		return c.exchangeContext(context.Background(), m, conn)
 	})
@@ -431,7 +431,6 @@ func ExchangeContext(ctx context.Context, m *Msg, a string) (r *Msg, err error)
 //	co.WriteMsg(m)
 //	in, _  := co.ReadMsg()
 //	co.Close()
-//
 func ExchangeConn(c net.Conn, m *Msg) (r *Msg, err error) {
 	println("dns: ExchangeConn: this function is deprecated")
 	co := new(Conn)

vendor/github.com/miekg/dns/doc.go

@@ -72,7 +72,7 @@
 		Port: 12345,
 		Zone: "",
 	}
-	c.Dialer := &net.Dialer{
+	c.Dialer = &net.Dialer{
 		Timeout: 200 * time.Millisecond,
 		LocalAddr: &laddr,
 	}
@@ -96,7 +96,7 @@
 		// do something with t.Txt
 	}
 
-Domain Name and TXT Character String Representations
+# Domain Name and TXT Character String Representations
 
 Both domain names and TXT character strings are converted to presentation form
 both when unpacked and when converted to strings.
@@ -108,7 +108,7 @@
 For domain names, in addition to the above rules brackets, periods, spaces,
 semicolons and the at symbol are escaped.
 
-DNSSEC
+# DNSSEC
 
 DNSSEC (DNS Security Extension) adds a layer of security to the DNS. It uses
 public key cryptography to sign resource records. The public keys are stored in
@@ -122,7 +122,7 @@
 
 Signature generation, signature verification and key generation are all supported.
 
-DYNAMIC UPDATES
+# DYNAMIC UPDATES
 
 Dynamic updates reuses the DNS message format, but renames three of the
 sections. Question is Zone, Answer is Prerequisite, Authority is Update, only
@@ -156,7 +156,7 @@
 	 NONE     rrset    rr       Delete an RR from RRset     dns.Remove
 	 zone     rrset    rr       Add to an RRset             dns.Insert
 
-TRANSACTION SIGNATURE
+# TRANSACTION SIGNATURE
 
 An TSIG or transaction signature adds a HMAC TSIG record to each message sent.
 The supported algorithms include: HmacSHA1, HmacSHA256 and HmacSHA512.
@@ -239,7 +239,7 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg) {
 		w.WriteMsg(m)
 	}
 
-PRIVATE RRS
+# PRIVATE RRS
 
 RFC 6895 sets aside a range of type codes for private use. This range is 65,280
 - 65,534 (0xFF00 - 0xFFFE). When experimenting with new Resource Records these
@@ -248,7 +248,7 @@ func handleRequest(w dns.ResponseWriter, r *dns.Msg) {
 See https://miek.nl/2014/september/21/idn-and-private-rr-in-go-dns/ for more
 information.
 
-EDNS0
+# EDNS0
 
 EDNS0 is an extension mechanism for the DNS defined in RFC 2671 and updated by
 RFC 6891. It defines a new RR type, the OPT RR, which is then completely

vendor/github.com/miekg/dns/edns.go

@@ -78,7 +78,10 @@ func (rr *OPT) String() string {
 	if rr.Do() {
 		s += "flags: do; "
 	} else {
-		s += "flags: ; "
+		s += "flags:; "
+	}
+	if rr.Hdr.Ttl&0x7FFF != 0 {
+		s += fmt.Sprintf("MBZ: 0x%04x, ", rr.Hdr.Ttl&0x7FFF)
 	}
 	s += "udp: " + strconv.Itoa(int(rr.UDPSize()))
 
@@ -98,6 +101,8 @@ func (rr *OPT) String() string {
 			s += "\n; SUBNET: " + o.String()
 		case *EDNS0_COOKIE:
 			s += "\n; COOKIE: " + o.String()
+		case *EDNS0_EXPIRE:
+			s += "\n; EXPIRE: " + o.String()
 		case *EDNS0_TCP_KEEPALIVE:
 			s += "\n; KEEPALIVE: " + o.String()
 		case *EDNS0_UL:
@@ -258,7 +263,7 @@ func (e *EDNS0_NSID) copy() EDNS0           { return &EDNS0_NSID{e.Code, e.Nsid}
 //	o.Hdr.Name = "."
 //	o.Hdr.Rrtype = dns.TypeOPT
 //	e := new(dns.EDNS0_SUBNET)
-//	e.Code = dns.EDNS0SUBNET
+//	e.Code = dns.EDNS0SUBNET // by default this is filled in through unpacking OPT packets (unpackDataOpt)  
 //	e.Family = 1	// 1 for IPv4 source address, 2 for IPv6
 //	e.SourceNetmask = 32	// 32 for IPV4, 128 for IPv6
 //	e.SourceScope = 0

vendor/github.com/miekg/dns/fuzz.go

@@ -1,3 +1,4 @@
+//go:build fuzz
 // +build fuzz
 
 package dns

vendor/github.com/miekg/dns/labels.go

@@ -122,7 +122,7 @@ func Split(s string) []int {
 }
 
 // NextLabel returns the index of the start of the next label in the
-// string s starting at offset.
+// string s starting at offset. A negative offset will cause a panic.
 // The bool end is true when the end of the string has been reached.
 // Also see PrevLabel.
 func NextLabel(s string, offset int) (i int, end bool) {

vendor/github.com/miekg/dns/listen_no_reuseport.go

@@ -1,3 +1,4 @@
+//go:build !go1.11 || (!aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd)
 // +build !go1.11 !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd
 
 package dns

vendor/github.com/miekg/dns/listen_reuseport.go

@@ -1,3 +1,4 @@
+//go:build go1.11 && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd)
 // +build go1.11
 // +build aix darwin dragonfly freebsd linux netbsd openbsd
 

vendor/github.com/miekg/dns/msg.go

@@ -680,9 +680,9 @@ func unpackRRslice(l int, msg []byte, off int) (dst1 []RR, off1 int, err error)
 
 // Convert a MsgHdr to a string, with dig-like headers:
 //
-//;; opcode: QUERY, status: NOERROR, id: 48404
+// ;; opcode: QUERY, status: NOERROR, id: 48404
 //
-//;; flags: qr aa rd ra;
+// ;; flags: qr aa rd ra;
 func (h *MsgHdr) String() string {
 	if h == nil {
 		return "<nil> MsgHdr"

vendor/github.com/miekg/dns/msg_helpers.go

@@ -810,3 +810,37 @@ func unpackDataAplPrefix(msg []byte, off int) (APLPrefix, int, error) {
 		Network:  ipnet,
 	}, off, nil
 }
+
+func unpackIPSECGateway(msg []byte, off int, gatewayType uint8) (net.IP, string, int, error) {
+	var retAddr net.IP
+	var retString string
+	var err error
+
+	switch gatewayType {
+	case IPSECGatewayNone: // do nothing
+	case IPSECGatewayIPv4:
+		retAddr, off, err = unpackDataA(msg, off)
+	case IPSECGatewayIPv6:
+		retAddr, off, err = unpackDataAAAA(msg, off)
+	case IPSECGatewayHost:
+		retString, off, err = UnpackDomainName(msg, off)
+	}
+
+	return retAddr, retString, off, err
+}
+
+func packIPSECGateway(gatewayAddr net.IP, gatewayString string, msg []byte, off int, gatewayType uint8, compression compressionMap, compress bool) (int, error) {
+	var err error
+
+	switch gatewayType {
+	case IPSECGatewayNone: // do nothing
+	case IPSECGatewayIPv4:
+		off, err = packDataA(gatewayAddr, msg, off)
+	case IPSECGatewayIPv6:
+		off, err = packDataAAAA(gatewayAddr, msg, off)
+	case IPSECGatewayHost:
+		off, err = packDomainName(gatewayString, msg, off, compression, compress)
+	}
+
+	return off, err
+}

vendor/github.com/miekg/dns/scan_rr.go

@@ -3,6 +3,7 @@
 import (
 	"bytes"
 	"encoding/base64"
+	"errors"
 	"net"
 	"strconv"
 	"strings"
@@ -1216,6 +1217,117 @@ func (rr *DS) parse(c *zlexer, o string) *ParseError      { return rr.parseDS(c,
 func (rr *DLV) parse(c *zlexer, o string) *ParseError     { return rr.parseDS(c, o, "DLV") }
 func (rr *CDS) parse(c *zlexer, o string) *ParseError     { return rr.parseDS(c, o, "CDS") }
 
+func (rr *IPSECKEY) parse(c *zlexer, o string) *ParseError {
+	l, _ := c.Next()
+	num, err := strconv.ParseUint(l.token, 10, 8)
+	if err != nil || l.err {
+		return &ParseError{"", "bad IPSECKEY value", l}
+	}
+	rr.Precedence = uint8(num)
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	num, err = strconv.ParseUint(l.token, 10, 8)
+	if err != nil || l.err {
+		return &ParseError{"", "bad IPSECKEY value", l}
+	}
+	rr.GatewayType = uint8(num)
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	num, err = strconv.ParseUint(l.token, 10, 8)
+	if err != nil || l.err {
+		return &ParseError{"", "bad IPSECKEY value", l}
+	}
+	rr.Algorithm = uint8(num)
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	if l.err {
+		return &ParseError{"", "bad IPSECKEY gateway", l}
+	}
+
+	rr.GatewayAddr, rr.GatewayHost, err = parseAddrHostUnion(l.token, o, rr.GatewayType)
+	if err != nil {
+		return &ParseError{"", "AMTRELAY " + err.Error(), l}
+	}
+
+	c.Next() // zBlank
+
+	s, pErr := endingToString(c, "bad IPSECKEY PublicKey")
+	if pErr != nil {
+		return pErr
+	}
+	rr.PublicKey = s
+	return slurpRemainder(c)
+}
+
+func (rr *AMTRELAY) parse(c *zlexer, o string) *ParseError {
+	l, _ := c.Next()
+	num, err := strconv.ParseUint(l.token, 10, 8)
+	if err != nil || l.err {
+		return &ParseError{"", "bad AMTRELAY value", l}
+	}
+	rr.Precedence = uint8(num)
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	if l.err || !(l.token == "0" || l.token == "1") {
+		return &ParseError{"", "bad discovery value", l}
+	}
+	if l.token == "1" {
+		rr.GatewayType = 0x80
+	}
+
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	num, err = strconv.ParseUint(l.token, 10, 8)
+	if err != nil || l.err {
+		return &ParseError{"", "bad AMTRELAY value", l}
+	}
+	rr.GatewayType |= uint8(num)
+	c.Next() // zBlank
+
+	l, _ = c.Next()
+	if l.err {
+		return &ParseError{"", "bad AMTRELAY gateway", l}
+	}
+
+	rr.GatewayAddr, rr.GatewayHost, err = parseAddrHostUnion(l.token, o, rr.GatewayType&0x7f)
+	if err != nil {
+		return &ParseError{"", "AMTRELAY " + err.Error(), l}
+	}
+
+	return slurpRemainder(c)
+}
+
+// same constants and parsing between IPSECKEY and AMTRELAY
+func parseAddrHostUnion(token, o string, gatewayType uint8) (addr net.IP, host string, err error) {
+	switch gatewayType {
+	case IPSECGatewayNone:
+		if token != "." {
+			return addr, host, errors.New("gateway type none with gateway set")
+		}
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		addr = net.ParseIP(token)
+		if addr == nil {
+			return addr, host, errors.New("gateway IP invalid")
+		}
+		if (addr.To4() == nil) == (gatewayType == IPSECGatewayIPv4) {
+			return addr, host, errors.New("gateway IP family mismatch")
+		}
+	case IPSECGatewayHost:
+		var ok bool
+		host, ok = toAbsoluteName(token, o)
+		if !ok {
+			return addr, host, errors.New("invalid gateway host")
+		}
+	}
+
+	return addr, host, nil
+}
+
 func (rr *RKEY) parse(c *zlexer, o string) *ParseError {
 	l, _ := c.Next()
 	i, e := strconv.ParseUint(l.token, 10, 16)

vendor/github.com/miekg/dns/server.go

@@ -18,7 +18,7 @@
 const maxTCPQueries = 128
 
 // aLongTimeAgo is a non-zero time, far in the past, used for
-// immediate cancelation of network operations.
+// immediate cancellation of network operations.
 var aLongTimeAgo = time.Unix(1, 0)
 
 // Handler is implemented by any value that implements ServeDNS.

vendor/github.com/miekg/dns/svcb.go

@@ -353,7 +353,7 @@ func (*SVCBAlpn) Key() SVCBKey { return SVCB_ALPN }
 func (s *SVCBAlpn) String() string {
 	// An ALPN value is a comma-separated list of values, each of which can be
 	// an arbitrary binary value. In order to allow parsing, the comma and
-	// backslash characters are themselves excaped.
+	// backslash characters are themselves escaped.
 	//
 	// However, this escaping is done in addition to the normal escaping which
 	// happens in zone files, meaning that these values must be

vendor/github.com/miekg/dns/tools.go

@@ -1,3 +1,4 @@
+//go:build tools
 // +build tools
 
 // We include our tool dependencies for `go generate` here to ensure they're

vendor/github.com/miekg/dns/types.go

@@ -65,6 +65,7 @@
 	TypeAPL        uint16 = 42
 	TypeDS         uint16 = 43
 	TypeSSHFP      uint16 = 44
+	TypeIPSECKEY   uint16 = 45
 	TypeRRSIG      uint16 = 46
 	TypeNSEC       uint16 = 47
 	TypeDNSKEY     uint16 = 48
@@ -98,6 +99,7 @@
 	TypeURI        uint16 = 256
 	TypeCAA        uint16 = 257
 	TypeAVC        uint16 = 258
+	TypeAMTRELAY   uint16 = 260
 
 	TypeTKEY uint16 = 249
 	TypeTSIG uint16 = 250
@@ -159,6 +161,22 @@
 	ZoneMDHashAlgSHA512 = 2
 )
 
+// Used in IPSEC https://datatracker.ietf.org/doc/html/rfc4025#section-2.3
+const (
+	IPSECGatewayNone uint8 = iota
+	IPSECGatewayIPv4
+	IPSECGatewayIPv6
+	IPSECGatewayHost
+)
+
+// Used in AMTRELAY https://datatracker.ietf.org/doc/html/rfc8777#section-4.2.3
+const (
+	AMTRELAYNone = IPSECGatewayNone
+	AMTRELAYIPv4 = IPSECGatewayIPv4
+	AMTRELAYIPv6 = IPSECGatewayIPv6
+	AMTRELAYHost = IPSECGatewayHost
+)
+
 // Header is the wire format for the DNS packet header.
 type Header struct {
 	Id                                 uint16
@@ -994,6 +1012,69 @@ func (rr *DNSKEY) String() string {
 		" " + rr.PublicKey
 }
 
+// IPSECKEY RR. See RFC 4025.
+type IPSECKEY struct {
+	Hdr         RR_Header
+	Precedence  uint8
+	GatewayType uint8
+	Algorithm   uint8
+	GatewayAddr net.IP `dns:"-"` // packing/unpacking/parsing/etc handled together with GatewayHost
+	GatewayHost string `dns:"ipsechost"`
+	PublicKey   string `dns:"base64"`
+}
+
+func (rr *IPSECKEY) String() string {
+	var gateway string
+	switch rr.GatewayType {
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		gateway = rr.GatewayAddr.String()
+	case IPSECGatewayHost:
+		gateway = rr.GatewayHost
+	case IPSECGatewayNone:
+		fallthrough
+	default:
+		gateway = "."
+	}
+
+	return rr.Hdr.String() + strconv.Itoa(int(rr.Precedence)) +
+		" " + strconv.Itoa(int(rr.GatewayType)) +
+		" " + strconv.Itoa(int(rr.Algorithm)) +
+		" " + gateway +
+		" " + rr.PublicKey
+}
+
+// AMTRELAY RR. See RFC 8777.
+type AMTRELAY struct {
+	Hdr         RR_Header
+	Precedence  uint8
+	GatewayType uint8  // discovery is packed in here at bit 0x80
+	GatewayAddr net.IP `dns:"-"` // packing/unpacking/parsing/etc handled together with GatewayHost
+	GatewayHost string `dns:"amtrelayhost"`
+}
+
+func (rr *AMTRELAY) String() string {
+	var gateway string
+	switch rr.GatewayType & 0x7f {
+	case AMTRELAYIPv4, AMTRELAYIPv6:
+		gateway = rr.GatewayAddr.String()
+	case AMTRELAYHost:
+		gateway = rr.GatewayHost
+	case AMTRELAYNone:
+		fallthrough
+	default:
+		gateway = "."
+	}
+	boolS := "0"
+	if rr.GatewayType&0x80 == 0x80 {
+		boolS = "1"
+	}
+
+	return rr.Hdr.String() + strconv.Itoa(int(rr.Precedence)) +
+		" " + boolS +
+		" " + strconv.Itoa(int(rr.GatewayType&0x7f)) +
+		" " + gateway
+}
+
 // RKEY RR. See https://www.iana.org/assignments/dns-parameters/RKEY/rkey-completed-template.
 type RKEY struct {
 	Hdr       RR_Header

vendor/github.com/miekg/dns/udp.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package dns

vendor/github.com/miekg/dns/udp_windows.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package dns

vendor/github.com/miekg/dns/version.go

@@ -3,7 +3,7 @@
 import "fmt"
 
 // Version is current version of this library.
-var Version = v{1, 1, 50}
+var Version = v{1, 1, 51}
 
 // v holds the version of this library.
 type v struct {

vendor/github.com/miekg/dns/xfr.go

@@ -44,7 +44,6 @@ func (t *Transfer) tsigProvider() TsigProvider {
 //	dnscon := &dns.Conn{Conn:con}
 //	transfer = &dns.Transfer{Conn: dnscon}
 //	channel, err := transfer.In(message, master)
-//
 func (t *Transfer) In(q *Msg, a string) (env chan *Envelope, err error) {
 	switch q.Question[0].Qtype {
 	case TypeAXFR, TypeIXFR:

vendor/github.com/miekg/dns/zduplicate.go

@@ -43,6 +43,32 @@ func (r1 *AFSDB) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *AMTRELAY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*AMTRELAY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Precedence != r2.Precedence {
+		return false
+	}
+	if r1.GatewayType != r2.GatewayType {
+		return false
+	}
+	switch r1.GatewayType {
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		if !r1.GatewayAddr.Equal(r2.GatewayAddr) {
+			return false
+		}
+	case IPSECGatewayHost:
+		if !isDuplicateName(r1.GatewayHost, r2.GatewayHost) {
+			return false
+		}
+	}
+
+	return true
+}
+
 func (r1 *ANY) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*ANY)
 	if !ok {
@@ -423,6 +449,38 @@ func (r1 *HTTPS) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *IPSECKEY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*IPSECKEY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Precedence != r2.Precedence {
+		return false
+	}
+	if r1.GatewayType != r2.GatewayType {
+		return false
+	}
+	if r1.Algorithm != r2.Algorithm {
+		return false
+	}
+	switch r1.GatewayType {
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		if !r1.GatewayAddr.Equal(r2.GatewayAddr) {
+			return false
+		}
+	case IPSECGatewayHost:
+		if !isDuplicateName(r1.GatewayHost, r2.GatewayHost) {
+			return false
+		}
+	}
+
+	if r1.PublicKey != r2.PublicKey {
+		return false
+	}
+	return true
+}
+
 func (r1 *KEY) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*KEY)
 	if !ok {

vendor/github.com/miekg/dns/zmsg.go

@@ -32,6 +32,22 @@ func (rr *AFSDB) pack(msg []byte, off int, compression compressionMap, compress
 	return off, nil
 }
 
+func (rr *AMTRELAY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
+	off, err = packUint8(rr.Precedence, msg, off)
+	if err != nil {
+		return off, err
+	}
+	off, err = packUint8(rr.GatewayType, msg, off)
+	if err != nil {
+		return off, err
+	}
+	off, err = packIPSECGateway(rr.GatewayAddr, rr.GatewayHost, msg, off, rr.GatewayType, compression, false)
+	if err != nil {
+		return off, err
+	}
+	return off, nil
+}
+
 func (rr *ANY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
 	return off, nil
 }
@@ -332,6 +348,30 @@ func (rr *HTTPS) pack(msg []byte, off int, compression compressionMap, compress
 	return off, nil
 }
 
+func (rr *IPSECKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
+	off, err = packUint8(rr.Precedence, msg, off)
+	if err != nil {
+		return off, err
+	}
+	off, err = packUint8(rr.GatewayType, msg, off)
+	if err != nil {
+		return off, err
+	}
+	off, err = packUint8(rr.Algorithm, msg, off)
+	if err != nil {
+		return off, err
+	}
+	off, err = packIPSECGateway(rr.GatewayAddr, rr.GatewayHost, msg, off, rr.GatewayType, compression, false)
+	if err != nil {
+		return off, err
+	}
+	off, err = packStringBase64(rr.PublicKey, msg, off)
+	if err != nil {
+		return off, err
+	}
+	return off, nil
+}
+
 func (rr *KEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) {
 	off, err = packUint16(rr.Flags, msg, off)
 	if err != nil {
@@ -1180,6 +1220,34 @@ func (rr *AFSDB) unpack(msg []byte, off int) (off1 int, err error) {
 	return off, nil
 }
 
+func (rr *AMTRELAY) unpack(msg []byte, off int) (off1 int, err error) {
+	rdStart := off
+	_ = rdStart
+
+	rr.Precedence, off, err = unpackUint8(msg, off)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.GatewayType, off, err = unpackUint8(msg, off)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.GatewayAddr, rr.GatewayHost, off, err = unpackIPSECGateway(msg, off, rr.GatewayType)
+	if err != nil {
+		return off, err
+	}
+	return off, nil
+}
+
 func (rr *ANY) unpack(msg []byte, off int) (off1 int, err error) {
 	rdStart := off
 	_ = rdStart
@@ -1636,6 +1704,48 @@ func (rr *HTTPS) unpack(msg []byte, off int) (off1 int, err error) {
 	return off, nil
 }
 
+func (rr *IPSECKEY) unpack(msg []byte, off int) (off1 int, err error) {
+	rdStart := off
+	_ = rdStart
+
+	rr.Precedence, off, err = unpackUint8(msg, off)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.GatewayType, off, err = unpackUint8(msg, off)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.Algorithm, off, err = unpackUint8(msg, off)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.GatewayAddr, rr.GatewayHost, off, err = unpackIPSECGateway(msg, off, rr.GatewayType)
+	if err != nil {
+		return off, err
+	}
+	if off == len(msg) {
+		return off, nil
+	}
+	rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength))
+	if err != nil {
+		return off, err
+	}
+	return off, nil
+}
+
 func (rr *KEY) unpack(msg []byte, off int) (off1 int, err error) {
 	rdStart := off
 	_ = rdStart

vendor/github.com/miekg/dns/ztypes.go

@@ -12,6 +12,7 @@
 	TypeA:          func() RR { return new(A) },
 	TypeAAAA:       func() RR { return new(AAAA) },
 	TypeAFSDB:      func() RR { return new(AFSDB) },
+	TypeAMTRELAY:   func() RR { return new(AMTRELAY) },
 	TypeANY:        func() RR { return new(ANY) },
 	TypeAPL:        func() RR { return new(APL) },
 	TypeAVC:        func() RR { return new(AVC) },
@@ -34,6 +35,7 @@
 	TypeHINFO:      func() RR { return new(HINFO) },
 	TypeHIP:        func() RR { return new(HIP) },
 	TypeHTTPS:      func() RR { return new(HTTPS) },
+	TypeIPSECKEY:   func() RR { return new(IPSECKEY) },
 	TypeKEY:        func() RR { return new(KEY) },
 	TypeKX:         func() RR { return new(KX) },
 	TypeL32:        func() RR { return new(L32) },
@@ -90,6 +92,7 @@
 	TypeA:          "A",
 	TypeAAAA:       "AAAA",
 	TypeAFSDB:      "AFSDB",
+	TypeAMTRELAY:   "AMTRELAY",
 	TypeANY:        "ANY",
 	TypeAPL:        "APL",
 	TypeATMA:       "ATMA",
@@ -114,6 +117,7 @@
 	TypeHINFO:      "HINFO",
 	TypeHIP:        "HIP",
 	TypeHTTPS:      "HTTPS",
+	TypeIPSECKEY:   "IPSECKEY",
 	TypeISDN:       "ISDN",
 	TypeIXFR:       "IXFR",
 	TypeKEY:        "KEY",
@@ -176,6 +180,7 @@
 func (rr *A) Header() *RR_Header          { return &rr.Hdr }
 func (rr *AAAA) Header() *RR_Header       { return &rr.Hdr }
 func (rr *AFSDB) Header() *RR_Header      { return &rr.Hdr }
+func (rr *AMTRELAY) Header() *RR_Header   { return &rr.Hdr }
 func (rr *ANY) Header() *RR_Header        { return &rr.Hdr }
 func (rr *APL) Header() *RR_Header        { return &rr.Hdr }
 func (rr *AVC) Header() *RR_Header        { return &rr.Hdr }
@@ -198,6 +203,7 @@ func (rr *GPOS) Header() *RR_Header       { return &rr.Hdr }
 func (rr *HINFO) Header() *RR_Header      { return &rr.Hdr }
 func (rr *HIP) Header() *RR_Header        { return &rr.Hdr }
 func (rr *HTTPS) Header() *RR_Header      { return &rr.Hdr }
+func (rr *IPSECKEY) Header() *RR_Header   { return &rr.Hdr }
 func (rr *KEY) Header() *RR_Header        { return &rr.Hdr }
 func (rr *KX) Header() *RR_Header         { return &rr.Hdr }
 func (rr *L32) Header() *RR_Header        { return &rr.Hdr }
@@ -270,6 +276,20 @@ func (rr *AFSDB) len(off int, compression map[string]struct{}) int {
 	l += domainNameLen(rr.Hostname, off+l, compression, false)
 	return l
 }
+func (rr *AMTRELAY) len(off int, compression map[string]struct{}) int {
+	l := rr.Hdr.len(off, compression)
+	l++ // Precedence
+	l++ // GatewayType
+	switch rr.GatewayType {
+	case AMTRELAYIPv4:
+		l += net.IPv4len
+	case AMTRELAYIPv6:
+		l += net.IPv6len
+	case AMTRELAYHost:
+		l += len(rr.GatewayHost) + 1
+	}
+	return l
+}
 func (rr *ANY) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	return l
@@ -379,6 +399,22 @@ func (rr *HIP) len(off int, compression map[string]struct{}) int {
 	}
 	return l
 }
+func (rr *IPSECKEY) len(off int, compression map[string]struct{}) int {
+	l := rr.Hdr.len(off, compression)
+	l++ // Precedence
+	l++ // GatewayType
+	l++ // Algorithm
+	switch rr.GatewayType {
+	case IPSECGatewayIPv4:
+		l += net.IPv4len
+	case IPSECGatewayIPv6:
+		l += net.IPv6len
+	case IPSECGatewayHost:
+		l += len(rr.GatewayHost) + 1
+	}
+	l += base64.StdEncoding.DecodedLen(len(rr.PublicKey))
+	return l
+}
 func (rr *KX) len(off int, compression map[string]struct{}) int {
 	l := rr.Hdr.len(off, compression)
 	l += 2 // Preference
@@ -706,6 +742,9 @@ func (rr *AAAA) copy() RR {
 func (rr *AFSDB) copy() RR {
 	return &AFSDB{rr.Hdr, rr.Subtype, rr.Hostname}
 }
+func (rr *AMTRELAY) copy() RR {
+	return &AMTRELAY{rr.Hdr, rr.Precedence, rr.GatewayType, copyIP(rr.GatewayAddr), rr.GatewayHost}
+}
 func (rr *ANY) copy() RR {
 	return &ANY{rr.Hdr}
 }
@@ -782,6 +821,9 @@ func (rr *HIP) copy() RR {
 func (rr *HTTPS) copy() RR {
 	return &HTTPS{*rr.SVCB.copy().(*SVCB)}
 }
+func (rr *IPSECKEY) copy() RR {
+	return &IPSECKEY{rr.Hdr, rr.Precedence, rr.GatewayType, rr.Algorithm, copyIP(rr.GatewayAddr), rr.GatewayHost, rr.PublicKey}
+}
 func (rr *KEY) copy() RR {
 	return &KEY{*rr.DNSKEY.copy().(*DNSKEY)}
 }

vendor/golang.org/x/tools/go/gcexportdata/gcexportdata.go

@@ -30,7 +30,7 @@
 	"io/ioutil"
 	"os/exec"
 
-	"golang.org/x/tools/go/internal/gcimporter"
+	"golang.org/x/tools/internal/gcimporter"
 )
 
 // Find returns the name of an object (.o) or archive (.a) file
@@ -87,7 +87,11 @@ func NewReader(r io.Reader) (io.Reader, error) {
 
 // Read reads export data from in, decodes it, and returns type
 // information for the package.
-// The package name is specified by path.
+//
+// The package path (effectively its linker symbol prefix) is
+// specified by path, since unlike the package name, this information
+// may not be recorded in the export data.
+//
 // File position information is added to fset.
 //
 // Read may inspect and add to the imports map to ensure that references

vendor/golang.org/x/tools/go/packages/golist.go

@@ -60,6 +60,7 @@ func (r *responseDeduper) addAll(dr *driverResponse) {
 	for _, root := range dr.Roots {
 		r.addRoot(root)
 	}
+	r.dr.GoVersion = dr.GoVersion
 }
 
 func (r *responseDeduper) addPackage(p *Package) {
@@ -454,11 +455,14 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse
 	if err != nil {
 		return nil, err
 	}
+
 	seen := make(map[string]*jsonPackage)
 	pkgs := make(map[string]*Package)
 	additionalErrors := make(map[string][]Error)
 	// Decode the JSON and convert it to Package form.
-	var response driverResponse
+	response := &driverResponse{
+		GoVersion: goVersion,
+	}
 	for dec := json.NewDecoder(buf); dec.More(); {
 		p := new(jsonPackage)
 		if err := dec.Decode(p); err != nil {
@@ -730,7 +734,7 @@ func (state *golistState) createDriverResponse(words ...string) (*driverResponse
 	}
 	sort.Slice(response.Packages, func(i, j int) bool { return response.Packages[i].ID < response.Packages[j].ID })
 
-	return &response, nil
+	return response, nil
 }
 
 func (state *golistState) shouldAddFilenameFromError(p *jsonPackage) bool {
@@ -756,6 +760,7 @@ func (state *golistState) shouldAddFilenameFromError(p *jsonPackage) bool {
 	return len(p.Error.ImportStack) == 0 || p.Error.ImportStack[len(p.Error.ImportStack)-1] == p.ImportPath
 }
 
+// getGoVersion returns the effective minor version of the go command.
 func (state *golistState) getGoVersion() (int, error) {
 	state.goVersionOnce.Do(func() {
 		state.goVersion, state.goVersionError = gocommand.GoVersion(state.ctx, state.cfgInvocation(), state.cfg.gocmdRunner)

vendor/golang.org/x/tools/go/packages/packages.go

@@ -19,6 +19,7 @@
 	"log"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"sync"
 	"time"
@@ -233,6 +234,11 @@ type driverResponse struct {
 	// Imports will be connected and then type and syntax information added in a
 	// later pass (see refine).
 	Packages []*Package
+
+	// GoVersion is the minor version number used by the driver
+	// (e.g. the go command on the PATH) when selecting .go files.
+	// Zero means unknown.
+	GoVersion int
 }
 
 // Load loads and returns the Go packages named by the given patterns.
@@ -256,7 +262,7 @@ func Load(cfg *Config, patterns ...string) ([]*Package, error) {
 		return nil, err
 	}
 	l.sizes = response.Sizes
-	return l.refine(response.Roots, response.Packages...)
+	return l.refine(response)
 }
 
 // defaultDriver is a driver that implements go/packages' fallback behavior.
@@ -532,6 +538,7 @@ type loaderPackage struct {
 	needsrc      bool  // load from source (Mode >= LoadTypes)
 	needtypes    bool  // type information is either requested or depended on
 	initial      bool  // package was matched by a pattern
+	goVersion    int   // minor version number of go command on PATH
 }
 
 // loader holds the working state of a single call to load.
@@ -618,7 +625,8 @@ func newLoader(cfg *Config) *loader {
 
 // refine connects the supplied packages into a graph and then adds type and
 // and syntax information as requested by the LoadMode.
-func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
+func (ld *loader) refine(response *driverResponse) ([]*Package, error) {
+	roots := response.Roots
 	rootMap := make(map[string]int, len(roots))
 	for i, root := range roots {
 		rootMap[root] = i
@@ -626,7 +634,7 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
 	ld.pkgs = make(map[string]*loaderPackage)
 	// first pass, fixup and build the map and roots
 	var initial = make([]*loaderPackage, len(roots))
-	for _, pkg := range list {
+	for _, pkg := range response.Packages {
 		rootIndex := -1
 		if i, found := rootMap[pkg.ID]; found {
 			rootIndex = i
@@ -648,6 +656,7 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
 			Package:   pkg,
 			needtypes: needtypes,
 			needsrc:   needsrc,
+			goVersion: response.GoVersion,
 		}
 		ld.pkgs[lpkg.ID] = lpkg
 		if rootIndex >= 0 {
@@ -923,6 +932,33 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) {
 		lpkg.Errors = append(lpkg.Errors, errs...)
 	}
 
+	// If the go command on the PATH is newer than the runtime,
+	// then the go/{scanner,ast,parser,types} packages from the
+	// standard library may be unable to process the files
+	// selected by go list.
+	//
+	// There is currently no way to downgrade the effective
+	// version of the go command (see issue 52078), so we proceed
+	// with the newer go command but, in case of parse or type
+	// errors, we emit an additional diagnostic.
+	//
+	// See:
+	// - golang.org/issue/52078 (flag to set release tags)
+	// - golang.org/issue/50825 (gopls legacy version support)
+	// - golang.org/issue/55883 (go/packages confusing error)
+	var runtimeVersion int
+	if _, err := fmt.Sscanf(runtime.Version(), "go1.%d", &runtimeVersion); err == nil && runtimeVersion < lpkg.goVersion {
+		defer func() {
+			if len(lpkg.Errors) > 0 {
+				appendError(Error{
+					Pos:  "-",
+					Msg:  fmt.Sprintf("This application uses version go1.%d of the source-processing packages but runs version go1.%d of 'go list'. It may fail to process source files that rely on newer language features. If so, rebuild the application using a newer version of Go.", runtimeVersion, lpkg.goVersion),
+					Kind: UnknownError,
+				})
+			}
+		}()
+	}
+
 	if ld.Config.Mode&NeedTypes != 0 && len(lpkg.CompiledGoFiles) == 0 && lpkg.ExportFile != "" {
 		// The config requested loading sources and types, but sources are missing.
 		// Add an error to the package and fall back to loading from export data.

vendor/golang.org/x/tools/internal/gcimporter/bexport.go

@@ -12,7 +12,6 @@
 	"bytes"
 	"encoding/binary"
 	"fmt"
-	"go/ast"
 	"go/constant"
 	"go/token"
 	"go/types"
@@ -145,7 +144,7 @@ func BExportData(fset *token.FileSet, pkg *types.Package) (b []byte, err error)
 	objcount := 0
 	scope := pkg.Scope()
 	for _, name := range scope.Names() {
-		if !ast.IsExported(name) {
+		if !token.IsExported(name) {
 			continue
 		}
 		if trace {
@@ -482,7 +481,7 @@ func (p *exporter) method(m *types.Func) {
 
 	p.pos(m)
 	p.string(m.Name())
-	if m.Name() != "_" && !ast.IsExported(m.Name()) {
+	if m.Name() != "_" && !token.IsExported(m.Name()) {
 		p.pkg(m.Pkg(), false)
 	}
 
@@ -501,7 +500,7 @@ func (p *exporter) fieldName(f *types.Var) {
 		// 3) field name doesn't match base type name (alias name)
 		bname := basetypeName(f.Type())
 		if name == bname {
-			if ast.IsExported(name) {
+			if token.IsExported(name) {
 				name = "" // 1) we don't need to know the field name or package
 			} else {
 				name = "?" // 2) use unexported name "?" to force package export
@@ -514,7 +513,7 @@ func (p *exporter) fieldName(f *types.Var) {
 	}
 
 	p.string(name)
-	if name != "" && !ast.IsExported(name) {
+	if name != "" && !token.IsExported(name) {
 		p.pkg(f.Pkg(), false)
 	}
 }

vendor/golang.org/x/tools/internal/gcimporter/gcimporter.go

@@ -9,7 +9,7 @@
 // Package gcimporter provides various functions for reading
 // gc-generated object files that can be used to implement the
 // Importer interface defined by the Go 1.5 standard library package.
-package gcimporter // import "golang.org/x/tools/go/internal/gcimporter"
+package gcimporter // import "golang.org/x/tools/internal/gcimporter"
 
 import (
 	"bufio"
@@ -22,11 +22,14 @@
 	"io"
 	"io/ioutil"
 	"os"
+	"path"
 	"path/filepath"
 	"sort"
 	"strconv"
 	"strings"
 	"text/scanner"
+
+	"golang.org/x/tools/internal/goroot"
 )
 
 const (
@@ -38,6 +41,25 @@
 	trace = false
 )
 
+func lookupGorootExport(pkgpath, srcRoot, srcDir string) (string, bool) {
+	pkgpath = filepath.ToSlash(pkgpath)
+	m, err := goroot.PkgfileMap()
+	if err != nil {
+		return "", false
+	}
+	if export, ok := m[pkgpath]; ok {
+		return export, true
+	}
+	vendorPrefix := "vendor"
+	if strings.HasPrefix(srcDir, filepath.Join(srcRoot, "cmd")) {
+		vendorPrefix = path.Join("cmd", vendorPrefix)
+	}
+	pkgpath = path.Join(vendorPrefix, pkgpath)
+	fmt.Fprintln(os.Stderr, "looking up ", pkgpath)
+	export, ok := m[pkgpath]
+	return export, ok
+}
+
 var pkgExts = [...]string{".a", ".o"}
 
 // FindPkg returns the filename and unique package id for an import
@@ -60,11 +82,18 @@ func FindPkg(path, srcDir string) (filename, id string) {
 		}
 		bp, _ := build.Import(path, srcDir, build.FindOnly|build.AllowBinary)
 		if bp.PkgObj == "" {
+			var ok bool
+			if bp.Goroot {
+				filename, ok = lookupGorootExport(path, bp.SrcRoot, srcDir)
+			}
+			if !ok {
 				id = path // make sure we have an id to print in error message
 				return
 			}
+		} else {
 			noext = strings.TrimSuffix(bp.PkgObj, ".a")
 			id = bp.ImportPath
+		}
 
 	case build.IsLocalImport(path):
 		// "./x" -> "/this/directory/x.ext", "/this/directory/x"
@@ -85,6 +114,12 @@ func FindPkg(path, srcDir string) (filename, id string) {
 		}
 	}
 
+	if filename != "" {
+		if f, err := os.Stat(filename); err == nil && !f.IsDir() {
+			return
+		}
+	}
+
 	// try extensions
 	for _, ext := range pkgExts {
 		filename = noext + ext

vendor/golang.org/x/tools/internal/gcimporter/iexport.go

@@ -12,7 +12,6 @@
 	"bytes"
 	"encoding/binary"
 	"fmt"
-	"go/ast"
 	"go/constant"
 	"go/token"
 	"go/types"
@@ -26,6 +25,41 @@
 	"golang.org/x/tools/internal/typeparams"
 )
 
+// IExportShallow encodes "shallow" export data for the specified package.
+//
+// No promises are made about the encoding other than that it can be
+// decoded by the same version of IIExportShallow. If you plan to save
+// export data in the file system, be sure to include a cryptographic
+// digest of the executable in the key to avoid version skew.
+func IExportShallow(fset *token.FileSet, pkg *types.Package) ([]byte, error) {
+	// In principle this operation can only fail if out.Write fails,
+	// but that's impossible for bytes.Buffer---and as a matter of
+	// fact iexportCommon doesn't even check for I/O errors.
+	// TODO(adonovan): handle I/O errors properly.
+	// TODO(adonovan): use byte slices throughout, avoiding copying.
+	const bundle, shallow = false, true
+	var out bytes.Buffer
+	err := iexportCommon(&out, fset, bundle, shallow, iexportVersion, []*types.Package{pkg})
+	return out.Bytes(), err
+}
+
+// IImportShallow decodes "shallow" types.Package data encoded by IExportShallow
+// in the same executable. This function cannot import data from
+// cmd/compile or gcexportdata.Write.
+func IImportShallow(fset *token.FileSet, imports map[string]*types.Package, data []byte, path string, insert InsertType) (*types.Package, error) {
+	const bundle = false
+	pkgs, err := iimportCommon(fset, imports, data, bundle, path, insert)
+	if err != nil {
+		return nil, err
+	}
+	return pkgs[0], nil
+}
+
+// InsertType is the type of a function that creates a types.TypeName
+// object for a named type and inserts it into the scope of the
+// specified Package.
+type InsertType = func(pkg *types.Package, name string)
+
 // Current bundled export format version. Increase with each format change.
 // 0: initial implementation
 const bundleVersion = 0
@@ -36,15 +70,17 @@
 // The package path of the top-level package will not be recorded,
 // so that calls to IImportData can override with a provided package path.
 func IExportData(out io.Writer, fset *token.FileSet, pkg *types.Package) error {
-	return iexportCommon(out, fset, false, iexportVersion, []*types.Package{pkg})
+	const bundle, shallow = false, false
+	return iexportCommon(out, fset, bundle, shallow, iexportVersion, []*types.Package{pkg})
 }
 
 // IExportBundle writes an indexed export bundle for pkgs to out.
 func IExportBundle(out io.Writer, fset *token.FileSet, pkgs []*types.Package) error {
-	return iexportCommon(out, fset, true, iexportVersion, pkgs)
+	const bundle, shallow = true, false
+	return iexportCommon(out, fset, bundle, shallow, iexportVersion, pkgs)
 }
 
-func iexportCommon(out io.Writer, fset *token.FileSet, bundle bool, version int, pkgs []*types.Package) (err error) {
+func iexportCommon(out io.Writer, fset *token.FileSet, bundle, shallow bool, version int, pkgs []*types.Package) (err error) {
 	if !debug {
 		defer func() {
 			if e := recover(); e != nil {
@@ -61,6 +97,7 @@ func iexportCommon(out io.Writer, fset *token.FileSet, bundle bool, version int,
 	p := iexporter{
 		fset:        fset,
 		version:     version,
+		shallow:     shallow,
 		allPkgs:     map[*types.Package]bool{},
 		stringIndex: map[string]uint64{},
 		declIndex:   map[types.Object]uint64{},
@@ -82,7 +119,7 @@ func iexportCommon(out io.Writer, fset *token.FileSet, bundle bool, version int,
 	for _, pkg := range pkgs {
 		scope := pkg.Scope()
 		for _, name := range scope.Names() {
-			if ast.IsExported(name) {
+			if token.IsExported(name) {
 				p.pushDecl(scope.Lookup(name))
 			}
 		}
@@ -205,7 +242,8 @@ type iexporter struct {
 	out     *bytes.Buffer
 	version int
 
-	localpkg *types.Package
+	shallow  bool           // don't put types from other packages in the index
+	localpkg *types.Package // (nil in bundle mode)
 
 	// allPkgs tracks all packages that have been referenced by
 	// the export data, so we can ensure to include them in the
@@ -256,6 +294,11 @@ func (p *iexporter) pushDecl(obj types.Object) {
 		panic("cannot export package unsafe")
 	}
 
+	// Shallow export data: don't index decls from other packages.
+	if p.shallow && obj.Pkg() != p.localpkg {
+		return
+	}
+
 	if _, ok := p.declIndex[obj]; ok {
 		return
 	}
@@ -497,7 +540,7 @@ func (w *exportWriter) pkg(pkg *types.Package) {
 	w.string(w.exportPath(pkg))
 }
 
-func (w *exportWriter) qualifiedIdent(obj types.Object) {
+func (w *exportWriter) qualifiedType(obj *types.TypeName) {
 	name := w.p.exportName(obj)
 
 	// Ensure any referenced declarations are written out too.
@@ -556,11 +599,11 @@ func (w *exportWriter) doTyp(t types.Type, pkg *types.Package) {
 			return
 		}
 		w.startType(definedType)
-		w.qualifiedIdent(t.Obj())
+		w.qualifiedType(t.Obj())
 
 	case *typeparams.TypeParam:
 		w.startType(typeParamType)
-		w.qualifiedIdent(t.Obj())
+		w.qualifiedType(t.Obj())
 
 	case *types.Pointer:
 		w.startType(pointerType)
@@ -602,14 +645,17 @@ func (w *exportWriter) doTyp(t types.Type, pkg *types.Package) {
 
 	case *types.Struct:
 		w.startType(structType)
-		w.setPkg(pkg, true)
-
 		n := t.NumFields()
+		if n > 0 {
+			w.setPkg(t.Field(0).Pkg(), true) // qualifying package for field objects
+		} else {
+			w.setPkg(pkg, true)
+		}
 		w.uint64(uint64(n))
 		for i := 0; i < n; i++ {
 			f := t.Field(i)
 			w.pos(f.Pos())
-			w.string(f.Name())
+			w.string(f.Name()) // unexported fields implicitly qualified by prior setPkg
 			w.typ(f.Type(), pkg)
 			w.bool(f.Anonymous())
 			w.string(t.Tag(i)) // note (or tag)

vendor/golang.org/x/tools/internal/gcimporter/iimport.go

@@ -51,6 +51,8 @@ func (r *intReader) uint64() uint64 {
 	iexportVersionPosCol   = 1
 	iexportVersionGo1_18   = 2
 	iexportVersionGenerics = 2
+
+	iexportVersionCurrent = 2
 )
 
 type ident struct {
@@ -83,7 +85,7 @@ type ident struct {
 // If the export data version is not recognized or the format is otherwise
 // compromised, an error is returned.
 func IImportData(fset *token.FileSet, imports map[string]*types.Package, data []byte, path string) (int, *types.Package, error) {
-	pkgs, err := iimportCommon(fset, imports, data, false, path)
+	pkgs, err := iimportCommon(fset, imports, data, false, path, nil)
 	if err != nil {
 		return 0, nil, err
 	}
@@ -92,11 +94,11 @@ func IImportData(fset *token.FileSet, imports map[string]*types.Package, data []
 
 // IImportBundle imports a set of packages from the serialized package bundle.
 func IImportBundle(fset *token.FileSet, imports map[string]*types.Package, data []byte) ([]*types.Package, error) {
-	return iimportCommon(fset, imports, data, true, "")
+	return iimportCommon(fset, imports, data, true, "", nil)
 }
 
-func iimportCommon(fset *token.FileSet, imports map[string]*types.Package, data []byte, bundle bool, path string) (pkgs []*types.Package, err error) {
-	const currentVersion = 1
+func iimportCommon(fset *token.FileSet, imports map[string]*types.Package, data []byte, bundle bool, path string, insert InsertType) (pkgs []*types.Package, err error) {
+	const currentVersion = iexportVersionCurrent
 	version := int64(-1)
 	if !debug {
 		defer func() {
@@ -145,6 +147,7 @@ func iimportCommon(fset *token.FileSet, imports map[string]*types.Package, data
 	p := iimporter{
 		version: int(version),
 		ipath:   path,
+		insert:  insert,
 
 		stringData:  stringData,
 		stringCache: make(map[uint64]string),
@@ -185,11 +188,18 @@ func iimportCommon(fset *token.FileSet, imports map[string]*types.Package, data
 		} else if pkg.Name() != pkgName {
 			errorf("conflicting names %s and %s for package %q", pkg.Name(), pkgName, path)
 		}
+		if i == 0 && !bundle {
+			p.localpkg = pkg
+		}
 
 		p.pkgCache[pkgPathOff] = pkg
 
+		// Read index for package.
 		nameIndex := make(map[string]uint64)
-		for nSyms := r.uint64(); nSyms > 0; nSyms-- {
+		nSyms := r.uint64()
+		// In shallow mode we don't expect an index for other packages.
+		assert(nSyms == 0 || p.localpkg == pkg || p.insert == nil)
+		for ; nSyms > 0; nSyms-- {
 			name := p.stringAt(r.uint64())
 			nameIndex[name] = r.uint64()
 		}
@@ -265,6 +275,9 @@ type iimporter struct {
 	version int
 	ipath   string
 
+	localpkg *types.Package
+	insert   func(pkg *types.Package, name string) // "shallow" mode only
+
 	stringData  []byte
 	stringCache map[uint64]string
 	pkgCache    map[uint64]*types.Package
@@ -308,6 +321,13 @@ func (p *iimporter) doDecl(pkg *types.Package, name string) {
 
 	off, ok := p.pkgIndex[pkg][name]
 	if !ok {
+		// In "shallow" mode, call back to the application to
+		// find the object and insert it into the package scope.
+		if p.insert != nil {
+			assert(pkg != p.localpkg)
+			p.insert(pkg, name) // "can't fail"
+			return
+		}
 		errorf("%v.%v not in index", pkg, name)
 	}
 

vendor/golang.org/x/tools/internal/gcimporter/support_go118.go

@@ -21,3 +21,17 @@ func additionalPredeclared() []types.Type {
 		types.Universe.Lookup("any").Type(),
 	}
 }
+
+// See cmd/compile/internal/types.SplitVargenSuffix.
+func splitVargenSuffix(name string) (base, suffix string) {
+	i := len(name)
+	for i > 0 && name[i-1] >= '0' && name[i-1] <= '9' {
+		i--
+	}
+	const dot = "·"
+	if i >= len(dot) && name[i-len(dot):i] == dot {
+		i -= len(dot)
+		return name[:i], name[i:]
+	}
+	return name, ""
+}

vendor/golang.org/x/tools/internal/gcimporter/ureader_yes.go

@@ -14,7 +14,7 @@
 	"go/types"
 	"strings"
 
-	"golang.org/x/tools/go/internal/pkgbits"
+	"golang.org/x/tools/internal/pkgbits"
 )
 
 // A pkgReader holds the shared state for reading a unified IR package
@@ -36,6 +36,12 @@ type pkgReader struct {
 	// laterFns holds functions that need to be invoked at the end of
 	// import reading.
 	laterFns []func()
+	// laterFors is used in case of 'type A B' to ensure that B is processed before A.
+	laterFors map[types.Type]int
+
+	// ifaces holds a list of constructed Interfaces, which need to have
+	// Complete called after importing is done.
+	ifaces []*types.Interface
 }
 
 // later adds a function to be invoked at the end of import reading.
@@ -63,6 +69,15 @@ func UImportData(fset *token.FileSet, imports map[string]*types.Package, data []
 	return
 }
 
+// laterFor adds a function to be invoked at the end of import reading, and records the type that function is finishing.
+func (pr *pkgReader) laterFor(t types.Type, fn func()) {
+	if pr.laterFors == nil {
+		pr.laterFors = make(map[types.Type]int)
+	}
+	pr.laterFors[t] = len(pr.laterFns)
+	pr.laterFns = append(pr.laterFns, fn)
+}
+
 // readUnifiedPackage reads a package description from the given
 // unified IR export data decoder.
 func readUnifiedPackage(fset *token.FileSet, ctxt *types.Context, imports map[string]*types.Package, input pkgbits.PkgDecoder) *types.Package {
@@ -102,6 +117,10 @@ func readUnifiedPackage(fset *token.FileSet, ctxt *types.Context, imports map[st
 		fn()
 	}
 
+	for _, iface := range pr.ifaces {
+		iface.Complete()
+	}
+
 	pkg.MarkComplete()
 	return pkg
 }
@@ -231,11 +250,35 @@ func (r *reader) doPkg() *types.Package {
 	for i := range imports {
 		imports[i] = r.pkg()
 	}
-	pkg.SetImports(imports)
+	pkg.SetImports(flattenImports(imports))
 
 	return pkg
 }
 
+// flattenImports returns the transitive closure of all imported
+// packages rooted from pkgs.
+func flattenImports(pkgs []*types.Package) []*types.Package {
+	var res []*types.Package
+
+	seen := make(map[*types.Package]bool)
+	var add func(pkg *types.Package)
+	add = func(pkg *types.Package) {
+		if seen[pkg] {
+			return
+		}
+		seen[pkg] = true
+		res = append(res, pkg)
+		for _, imp := range pkg.Imports() {
+			add(imp)
+		}
+	}
+
+	for _, pkg := range pkgs {
+		add(pkg)
+	}
+	return res
+}
+
 // @@@ Types
 
 func (r *reader) typ() types.Type {
@@ -372,6 +415,16 @@ func (r *reader) interfaceType() *types.Interface {
 	if implicit {
 		iface.MarkImplicit()
 	}
+
+	// We need to call iface.Complete(), but if there are any embedded
+	// defined types, then we may not have set their underlying
+	// interface type yet. So we need to defer calling Complete until
+	// after we've called SetUnderlying everywhere.
+	//
+	// TODO(mdempsky): After CL 424876 lands, it should be safe to call
+	// iface.Complete() immediately.
+	r.p.ifaces = append(r.p.ifaces, iface)
+
 	return iface
 }
 
@@ -437,6 +490,11 @@ func (pr *pkgReader) objIdx(idx pkgbits.Index) (*types.Package, string) {
 		return objPkg, objName
 	}
 
+	// Ignore local types promoted to global scope (#55110).
+	if _, suffix := splitVargenSuffix(objName); suffix != "" {
+		return objPkg, objName
+	}
+
 	if objPkg.Scope().Lookup(objName) == nil {
 		dict := pr.objDictIdx(idx)
 
@@ -477,13 +535,41 @@ func (pr *pkgReader) objIdx(idx pkgbits.Index) (*types.Package, string) {
 
 			named.SetTypeParams(r.typeParamNames())
 
-			// TODO(mdempsky): Rewrite receiver types to underlying is an
-			// Interface? The go/types importer does this (I think because
-			// unit tests expected that), but cmd/compile doesn't care
-			// about it, so maybe we can avoid worrying about that here.
 			rhs := r.typ()
-			r.p.later(func() {
+			pk := r.p
+			pk.laterFor(named, func() {
+				// First be sure that the rhs is initialized, if it needs to be initialized.
+				delete(pk.laterFors, named) // prevent cycles
+				if i, ok := pk.laterFors[rhs]; ok {
+					f := pk.laterFns[i]
+					pk.laterFns[i] = func() {} // function is running now, so replace it with a no-op
+					f()                        // initialize RHS
+				}
 				underlying := rhs.Underlying()
+
+				// If the underlying type is an interface, we need to
+				// duplicate its methods so we can replace the receiver
+				// parameter's type (#49906).
+				if iface, ok := underlying.(*types.Interface); ok && iface.NumExplicitMethods() != 0 {
+					methods := make([]*types.Func, iface.NumExplicitMethods())
+					for i := range methods {
+						fn := iface.ExplicitMethod(i)
+						sig := fn.Type().(*types.Signature)
+
+						recv := types.NewVar(fn.Pos(), fn.Pkg(), "", named)
+						methods[i] = types.NewFunc(fn.Pos(), fn.Pkg(), fn.Name(), types.NewSignature(recv, sig.Params(), sig.Results(), sig.Variadic()))
+					}
+
+					embeds := make([]types.Type, iface.NumEmbeddeds())
+					for i := range embeds {
+						embeds[i] = iface.EmbeddedType(i)
+					}
+
+					newIface := types.NewInterfaceType(methods, embeds)
+					r.p.ifaces = append(r.p.ifaces, newIface)
+					underlying = newIface
+				}
+
 				named.SetUnderlying(underlying)
 			})
 

vendor/golang.org/x/tools/internal/gocommand/invoke.go

@@ -10,8 +10,10 @@
 	"context"
 	"fmt"
 	"io"
+	"log"
 	"os"
 	"regexp"
+	"runtime"
 	"strconv"
 	"strings"
 	"sync"
@@ -232,6 +234,12 @@ func (i *Invocation) run(ctx context.Context, stdout, stderr io.Writer) error {
 	return runCmdContext(ctx, cmd)
 }
 
+// DebugHangingGoCommands may be set by tests to enable additional
+// instrumentation (including panics) for debugging hanging Go commands.
+//
+// See golang/go#54461 for details.
+var DebugHangingGoCommands = false
+
 // runCmdContext is like exec.CommandContext except it sends os.Interrupt
 // before os.Kill.
 func runCmdContext(ctx context.Context, cmd *exec.Cmd) error {
@@ -243,11 +251,24 @@ func runCmdContext(ctx context.Context, cmd *exec.Cmd) error {
 		resChan <- cmd.Wait()
 	}()
 
+	// If we're interested in debugging hanging Go commands, stop waiting after a
+	// minute and panic with interesting information.
+	if DebugHangingGoCommands {
+		select {
+		case err := <-resChan:
+			return err
+		case <-time.After(1 * time.Minute):
+			HandleHangingGoCommand(cmd.Process)
+		case <-ctx.Done():
+		}
+	} else {
 		select {
 		case err := <-resChan:
 			return err
 		case <-ctx.Done():
 		}
+	}
+
 	// Cancelled. Interrupt and see if it ends voluntarily.
 	cmd.Process.Signal(os.Interrupt)
 	select {
@@ -255,11 +276,63 @@ func runCmdContext(ctx context.Context, cmd *exec.Cmd) error {
 		return err
 	case <-time.After(time.Second):
 	}
+
 	// Didn't shut down in response to interrupt. Kill it hard.
-	cmd.Process.Kill()
+	// TODO(rfindley): per advice from bcmills@, it may be better to send SIGQUIT
+	// on certain platforms, such as unix.
+	if err := cmd.Process.Kill(); err != nil && DebugHangingGoCommands {
+		// Don't panic here as this reliably fails on windows with EINVAL.
+		log.Printf("error killing the Go command: %v", err)
+	}
+
+	// See above: don't wait indefinitely if we're debugging hanging Go commands.
+	if DebugHangingGoCommands {
+		select {
+		case err := <-resChan:
+			return err
+		case <-time.After(10 * time.Second): // a shorter wait as resChan should return quickly following Kill
+			HandleHangingGoCommand(cmd.Process)
+		}
+	}
 	return <-resChan
 }
 
+func HandleHangingGoCommand(proc *os.Process) {
+	switch runtime.GOOS {
+	case "linux", "darwin", "freebsd", "netbsd":
+		fmt.Fprintln(os.Stderr, `DETECTED A HANGING GO COMMAND
+
+The gopls test runner has detected a hanging go command. In order to debug
+this, the output of ps and lsof/fstat is printed below.
+
+See golang/go#54461 for more details.`)
+
+		fmt.Fprintln(os.Stderr, "\nps axo ppid,pid,command:")
+		fmt.Fprintln(os.Stderr, "-------------------------")
+		psCmd := exec.Command("ps", "axo", "ppid,pid,command")
+		psCmd.Stdout = os.Stderr
+		psCmd.Stderr = os.Stderr
+		if err := psCmd.Run(); err != nil {
+			panic(fmt.Sprintf("running ps: %v", err))
+		}
+
+		listFiles := "lsof"
+		if runtime.GOOS == "freebsd" || runtime.GOOS == "netbsd" {
+			listFiles = "fstat"
+		}
+
+		fmt.Fprintln(os.Stderr, "\n"+listFiles+":")
+		fmt.Fprintln(os.Stderr, "-----")
+		listFilesCmd := exec.Command(listFiles)
+		listFilesCmd.Stdout = os.Stderr
+		listFilesCmd.Stderr = os.Stderr
+		if err := listFilesCmd.Run(); err != nil {
+			panic(fmt.Sprintf("running %s: %v", listFiles, err))
+		}
+	}
+	panic(fmt.Sprintf("detected hanging go command (pid %d): see golang/go#54461 for more details", proc.Pid))
+}
+
 func cmdDebugStr(cmd *exec.Cmd) string {
 	env := make(map[string]string)
 	for _, kv := range cmd.Env {

vendor/golang.org/x/tools/internal/gocommand/version.go

@@ -10,8 +10,15 @@
 	"strings"
 )
 
-// GoVersion checks the go version by running "go list" with modules off.
-// It returns the X in Go 1.X.
+// GoVersion reports the minor version number of the highest release
+// tag built into the go command on the PATH.
+//
+// Note that this may be higher than the version of the go tool used
+// to build this application, and thus the versions of the standard
+// go/{scanner,parser,ast,types} packages that are linked into it.
+// In that case, callers should either downgrade to the version of
+// go used to build the application, or report an error that the
+// application is too old to use the go command on the PATH.
 func GoVersion(ctx context.Context, inv Invocation, r *Runner) (int, error) {
 	inv.Verb = "list"
 	inv.Args = []string{"-e", "-f", `{{context.ReleaseTags}}`, `--`, `unsafe`}
@@ -38,7 +45,7 @@ func GoVersion(ctx context.Context, inv Invocation, r *Runner) (int, error) {
 	if len(stdout) < 3 {
 		return 0, fmt.Errorf("bad ReleaseTags output: %q", stdout)
 	}
-	// Split up "[go1.1 go1.15]"
+	// Split up "[go1.1 go1.15]" and return highest go1.X value.
 	tags := strings.Fields(stdout[1 : len(stdout)-2])
 	for i := len(tags) - 1; i >= 0; i-- {
 		var version int

vendor/golang.org/x/tools/internal/goroot/importcfg.go

@@ -0,0 +1,71 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package goroot is a copy of package internal/goroot
+// in the main GO repot. It provides a utility to produce
+// an importcfg and import path to package file map mapping
+// standard library packages to the locations of their export
+// data files.
+package goroot
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+	"strings"
+	"sync"
+)
+
+// Importcfg returns an importcfg file to be passed to the
+// Go compiler that contains the cached paths for the .a files for the
+// standard library.
+func Importcfg() (string, error) {
+	var icfg bytes.Buffer
+
+	m, err := PkgfileMap()
+	if err != nil {
+		return "", err
+	}
+	fmt.Fprintf(&icfg, "# import config")
+	for importPath, export := range m {
+		if importPath != "unsafe" && export != "" { // unsafe
+			fmt.Fprintf(&icfg, "\npackagefile %s=%s", importPath, export)
+		}
+	}
+	s := icfg.String()
+	return s, nil
+}
+
+var (
+	stdlibPkgfileMap map[string]string
+	stdlibPkgfileErr error
+	once             sync.Once
+)
+
+// PkgfileMap returns a map of package paths to the location on disk
+// of the .a file for the package.
+// The caller must not modify the map.
+func PkgfileMap() (map[string]string, error) {
+	once.Do(func() {
+		m := make(map[string]string)
+		output, err := exec.Command("go", "list", "-export", "-e", "-f", "{{.ImportPath}} {{.Export}}", "std", "cmd").Output()
+		if err != nil {
+			stdlibPkgfileErr = err
+		}
+		for _, line := range strings.Split(string(output), "\n") {
+			if line == "" {
+				continue
+			}
+			sp := strings.SplitN(line, " ", 2)
+			if len(sp) != 2 {
+				err = fmt.Errorf("determining pkgfile map: invalid line in go list output: %q", line)
+				return
+			}
+			importPath, export := sp[0], sp[1]
+			m[importPath] = export
+		}
+		stdlibPkgfileMap = m
+	})
+	return stdlibPkgfileMap, stdlibPkgfileErr
+}

vendor/golang.org/x/tools/internal/pkgbits/decoder.go

@@ -9,6 +9,7 @@
 	"fmt"
 	"go/constant"
 	"go/token"
+	"io"
 	"math/big"
 	"os"
 	"runtime"
@@ -94,7 +95,7 @@ func NewPkgDecoder(pkgPath, input string) PkgDecoder {
 	pr.elemEnds = make([]uint32, pr.elemEndsEnds[len(pr.elemEndsEnds)-1])
 	assert(binary.Read(r, binary.LittleEndian, pr.elemEnds[:]) == nil)
 
-	pos, err := r.Seek(0, os.SEEK_CUR)
+	pos, err := r.Seek(0, io.SeekCurrent)
 	assert(err == nil)
 
 	pr.elemData = input[pos:]
@@ -237,7 +238,7 @@ func (r *Decoder) Sync(mWant SyncMarker) {
 		return
 	}
 
-	pos, _ := r.Data.Seek(0, os.SEEK_CUR) // TODO(mdempsky): io.SeekCurrent after #44505 is resolved
+	pos, _ := r.Data.Seek(0, io.SeekCurrent)
 	mHave := SyncMarker(r.rawUvarint())
 	writerPCs := make([]int, r.rawUvarint())
 	for i := range writerPCs {

vendor/golang.org/x/tools/internal/pkgbits/encoder.go

@@ -148,6 +148,7 @@ type Encoder struct {
 	p *PkgEncoder
 
 	Relocs   []RelocEnt
+	RelocMap map[RelocEnt]uint32
 	Data     bytes.Buffer // accumulated element bitstream data
 
 	encodingRelocHeader bool
@@ -210,15 +211,18 @@ func (w *Encoder) rawVarint(x int64) {
 }
 
 func (w *Encoder) rawReloc(r RelocKind, idx Index) int {
-	// TODO(mdempsky): Use map for lookup; this takes quadratic time.
-	for i, rEnt := range w.Relocs {
-		if rEnt.Kind == r && rEnt.Idx == idx {
-			return i
+	e := RelocEnt{r, idx}
+	if w.RelocMap != nil {
+		if i, ok := w.RelocMap[e]; ok {
+			return int(i)
 		}
+	} else {
+		w.RelocMap = make(map[RelocEnt]uint32)
 	}
 
 	i := len(w.Relocs)
-	w.Relocs = append(w.Relocs, RelocEnt{r, idx})
+	w.RelocMap[e] = uint32(i)
+	w.Relocs = append(w.Relocs, e)
 	return i
 }
 

vendor/golang.org/x/tools/internal/pkgbits/reloc.go

@@ -5,11 +5,11 @@
 package pkgbits
 
 // A RelocKind indicates a particular section within a unified IR export.
-type RelocKind int
+type RelocKind int32
 
 // An Index represents a bitstream element index within a particular
 // section.
-type Index int
+type Index int32
 
 // A relocEnt (relocation entry) is an entry in an element's local
 // reference table.

vendor/modules.txt

@@ -347,7 +347,7 @@ github.com/mattn/go-isatty
 ## explicit; go 1.19
 github.com/microcosm-cc/bluemonday
 github.com/microcosm-cc/bluemonday/css
-# github.com/miekg/dns v1.1.50
+# github.com/miekg/dns v1.1.51
 ## explicit; go 1.14
 github.com/miekg/dns
 # github.com/minio/md5-simd v1.1.2
@@ -769,7 +769,7 @@ golang.org/x/image/tiff/lzw
 golang.org/x/image/vp8
 golang.org/x/image/vp8l
 golang.org/x/image/webp
-# golang.org/x/mod v0.6.0-dev.0.20220907135952-02c991387e35
+# golang.org/x/mod v0.7.0
 ## explicit; go 1.17
 golang.org/x/mod/semver
 # golang.org/x/net v0.7.0
@@ -814,19 +814,20 @@ golang.org/x/text/transform
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
 golang.org/x/text/width
-# golang.org/x/tools v0.1.12
+# golang.org/x/tools v0.3.0
 ## explicit; go 1.18
 golang.org/x/tools/go/gcexportdata
-golang.org/x/tools/go/internal/gcimporter
 golang.org/x/tools/go/internal/packagesdriver
-golang.org/x/tools/go/internal/pkgbits
 golang.org/x/tools/go/packages
 golang.org/x/tools/internal/event
 golang.org/x/tools/internal/event/core
 golang.org/x/tools/internal/event/keys
 golang.org/x/tools/internal/event/label
+golang.org/x/tools/internal/gcimporter
 golang.org/x/tools/internal/gocommand
+golang.org/x/tools/internal/goroot
 golang.org/x/tools/internal/packagesinternal
+golang.org/x/tools/internal/pkgbits
 golang.org/x/tools/internal/typeparams
 golang.org/x/tools/internal/typesinternal
 # google.golang.org/appengine v1.6.7