Merge ~kajiya/+git/google-guest-agent:kajiya/master into ~ubuntu-core-dev/+git/google-guest-agent:ubuntu/master

[Chloé Smith]

Update upstream source from upstream tags/20240213.00

Also:
* Update the vendored dependencies
* Added a new d/source/include-binaries file to list ../s2a-go/.. DER-encoded
  cert files
* (LP: #2054484)

[Utkarsh Gupta (utkarsh)]

Sponsored your upload with one tiny additional change -
https://git.launchpad.net/~ubuntu-core-dev/+git/google-guest-agent/commit/?id=bab3df1dc0511d52d8b9edccb0ff107f70af9255

But all good otherwise!

$ dput ubuntu ../google-guest-agent_20240213.00-0ubuntu1_source.changes
Uploading google-guest-agent using ftp to ubuntu (host: upload.ubuntu.com; directory: /ubuntu)
running supported-distribution: check whether the target distribution is currently supported (using distro-info)
{'allowed': ['release', 'proposed', 'backports', 'security'], 'known': ['release', 'proposed', 'updates', 'backports', 'security']}
running required-fields: check whether a field is present and non-empty in the changes file
running checksum: verify checksums before uploading
running suite-mismatch: check the target distribution for common errors
running check-debs: makes sure the upload contains a binary package
running gpg: check GnuPG signatures before the upload
Uploading google-guest-agent_20240213.00-0ubuntu1.dsc
Uploading google-guest-agent_20240213.00.orig.tar.gz
Uploading google-guest-agent_20240213.00-0ubuntu1.debian.tar.xz
Uploading google-guest-agent_20240213.00-0ubuntu1_source.buildinfo
Uploading google-guest-agent_20240213.00-0ubuntu1_source.changes

review: Approve

diff --git a/.gitignore b/.gitignore
index 2ceee21..85eb02e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,15 @@
-# ignore all built binaries
+# Ignore all built binaries.
 **/gce_workload_cert_refresh
+**/gce_workload_cert_refresh.exe
 **/google_authorized_keys
+**/google_authorized_keys.exe
 **/google_guest_agent
+**/google_guest_agent.exe
 **/google_metadata_script_runner
+**/google_metadata_script_runner.exe
+
+# Don't ignore new content to directories.
+!**/gce_workload_cert_refresh/
+!**/google_authorized_keys/
+!**/google_guest_agent/
+!**/google_metadata_script_runner/
\ No newline at end of file
diff --git a/OWNERS b/OWNERS
index edde10e..59fca61 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,14 +3,14 @@
 
 approvers:
   - a-crate
+  - ajorg
   - bkatyl
   - chaitanyakulkarni28
   - dorileo
   - drewhli
   - elicriffield
+  - gaughen
   - jjerger
   - karnvadaliya
   - koln67
-  - quintonamore
-  - vorakl
   - zmarano
diff --git a/THIRD_PARTY_LICENSES/cloud.google.com/go/LICENSE b/THIRD_PARTY_LICENSES/cloud.google.com/go/iam/LICENSE
similarity index 100%
rename from THIRD_PARTY_LICENSES/cloud.google.com/go/LICENSE
rename to THIRD_PARTY_LICENSES/cloud.google.com/go/iam/LICENSE
diff --git a/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/google_guest_agent/LICENSE b/THIRD_PARTY_LICENSES/cloud.google.com/go/internal/LICENSE
similarity index 100%
rename from THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/google_guest_agent/LICENSE
rename to THIRD_PARTY_LICENSES/cloud.google.com/go/internal/LICENSE
index 65fb971..d645695 100644
--- a/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/google_guest_agent/LICENSE
+++ b/THIRD_PARTY_LICENSES/cloud.google.com/go/internal/LICENSE
@@ -1,3 +1,4 @@
+
                                  Apache License
                            Version 2.0, January 2004
                         http://www.apache.org/licenses/
@@ -186,7 +187,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2020 Google Inc.
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/LICENSE b/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/LICENSE
index 65fb971..f49a4e1 100644
--- a/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/LICENSE
+++ b/THIRD_PARTY_LICENSES/github.com/GoogleCloudPlatform/guest-agent/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2020 Google Inc.
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -198,4 +198,4 @@
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
-   limitations under the License.
+   limitations under the License.
\ No newline at end of file
diff --git a/THIRD_PARTY_LICENSES/github.com/Microsoft/go-winio/LICENSE b/THIRD_PARTY_LICENSES/github.com/Microsoft/go-winio/LICENSE
new file mode 100644
index 0000000..b8b569d
--- /dev/null
+++ b/THIRD_PARTY_LICENSES/github.com/Microsoft/go-winio/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Microsoft
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/THIRD_PARTY_LICENSES/golang.org/x/xerrors/LICENSE b/THIRD_PARTY_LICENSES/golang.org/x/xerrors/LICENSE
new file mode 100644
index 0000000..e4a47e1
--- /dev/null
+++ b/THIRD_PARTY_LICENSES/golang.org/x/xerrors/LICENSE
@@ -0,0 +1,27 @@
+Copyright (c) 2019 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+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.
+
+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
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/THIRD_PARTY_LICENSES/google.golang.org/genproto/LICENSE b/THIRD_PARTY_LICENSES/google.golang.org/genproto/LICENSE
deleted file mode 100644
index d645695..0000000
--- a/THIRD_PARTY_LICENSES/google.golang.org/genproto/LICENSE
+++ /dev/null
@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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-   8. Limitation of Liability. In no event and under no legal theory,
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-      negligent acts) or agreed to in writing, shall any Contributor be
-      liable to You for damages, including any direct, indirect, special,
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-      on Your own behalf and on Your sole responsibility, not on behalf
-      of any other Contributor, and only if You agree to indemnify,
-      defend, and hold each Contributor harmless for any liability
-      incurred by, or claims asserted against, such Contributor by reason
-      of your accepting any such warranty or additional liability.
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-   END OF TERMS AND CONDITIONS
-
-   APPENDIX: How to apply the Apache License to your work.
-
-      To apply the Apache License to your work, attach the following
-      boilerplate notice, with the fields enclosed by brackets "[]"
-      replaced with your own identifying information. (Don't include
-      the brackets!)  The text should be enclosed in the appropriate
-      comment syntax for the file format. We also recommend that a
-      file or class name and description of purpose be included on the
-      same "printed page" as the copyright notice for easier
-      identification within third-party archives.
-
-   Copyright [yyyy] [name of copyright owner]
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
diff --git a/THIRD_PARTY_LICENSES/software.sslmate.com/src/go-pkcs12/LICENSE b/THIRD_PARTY_LICENSES/software.sslmate.com/src/go-pkcs12/LICENSE
index 6ac6b11..bcecd3d 100644
--- a/THIRD_PARTY_LICENSES/software.sslmate.com/src/go-pkcs12/LICENSE
+++ b/THIRD_PARTY_LICENSES/software.sslmate.com/src/go-pkcs12/LICENSE
@@ -25,4 +25,4 @@ 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.
\ No newline at end of file
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/debian/changelog b/debian/changelog
index b70ed12..e017e42 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+google-guest-agent (20240213.00-0ubuntu1) noble; urgency=medium
+
+  * Update code to new upstream version/tag 20240213.00 (LP: #2054484)
+  * d/extra/vendor: Update the vendored dependencies
+  * New d/source/include-binaries file
+
+ -- Chloé 'kajiya' Smith <[e-mail]>  Wed, 21 Feb 2024 00:25:47 +0000
+
 google-guest-agent (20231004.02-0ubuntu3) noble; urgency=medium
 
   * d/control: Fix dependency version of `google-compute-engine-oslogin`
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/.gitattributes b/debian/extra/vendor/github.com/Microsoft/go-winio/.gitattributes
new file mode 100644
index 0000000..94f480d
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
\ No newline at end of file
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/.gitignore b/debian/extra/vendor/github.com/Microsoft/go-winio/.gitignore
new file mode 100644
index 0000000..815e206
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/.gitignore
@@ -0,0 +1,10 @@
+.vscode/
+
+*.exe
+
+# testing
+testdata
+
+# go workspaces
+go.work
+go.work.sum
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/.golangci.yml b/debian/extra/vendor/github.com/Microsoft/go-winio/.golangci.yml
new file mode 100644
index 0000000..7b503d2
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/.golangci.yml
@@ -0,0 +1,149 @@
+run:
+  skip-dirs:
+    - pkg/etw/sample
+
+linters:
+  enable:
+    # style
+    - containedctx # struct contains a context
+    - dupl # duplicate code
+    - errname # erorrs are named correctly
+    - nolintlint # "//nolint" directives are properly explained
+    - revive # golint replacement
+    - unconvert # unnecessary conversions
+    - wastedassign
+
+    # bugs, performance, unused, etc ...
+    - contextcheck # function uses a non-inherited context
+    - errorlint # errors not wrapped for 1.13
+    - exhaustive # check exhaustiveness of enum switch statements
+    - gofmt # files are gofmt'ed
+    - gosec # security
+    - nilerr # returns nil even with non-nil error
+    - unparam # unused function params
+
+issues:
+  exclude-rules:
+    # err is very often shadowed in nested scopes
+    - linters:
+        - govet
+      text: '^shadow: declaration of "err" shadows declaration'
+
+    # ignore long lines for skip autogen directives
+    - linters:
+        - revive
+      text: "^line-length-limit: "
+      source: "^//(go:generate|sys) "
+
+    #TODO: remove after upgrading to go1.18
+    # ignore comment spacing for nolint and sys directives
+    - linters:
+        - revive
+      text: "^comment-spacings: no space between comment delimiter and comment text"
+      source: "//(cspell:|nolint:|sys |todo)"
+
+    # not on go 1.18 yet, so no any
+    - linters:
+        - revive
+      text: "^use-any: since GO 1.18 'interface{}' can be replaced by 'any'"
+
+    # allow unjustified ignores of error checks in defer statements
+    - linters:
+        - nolintlint
+      text: "^directive `//nolint:errcheck` should provide explanation"
+      source: '^\s*defer '
+
+    # allow unjustified ignores of error lints for io.EOF
+    - linters:
+        - nolintlint
+      text: "^directive `//nolint:errorlint` should provide explanation"
+      source: '[=|!]= io.EOF'
+
+
+linters-settings:
+  exhaustive:
+    default-signifies-exhaustive: true
+  govet:
+    enable-all: true
+    disable:
+      # struct order is often for Win32 compat
+      # also, ignore pointer bytes/GC issues for now until performance becomes an issue
+      - fieldalignment
+    check-shadowing: true
+  nolintlint:
+    allow-leading-space: false
+    require-explanation: true
+    require-specific: true
+  revive:
+    # revive is more configurable than static check, so likely the preferred alternative to static-check
+    # (once the perf issue is solved: https://github.com/golangci/golangci-lint/issues/2997)
+    enable-all-rules:
+      true
+      # https://github.com/mgechev/revive/blob/master/RULES_DESCRIPTIONS.md
+    rules:
+      # rules with required arguments
+      - name: argument-limit
+        disabled: true
+      - name: banned-characters
+        disabled: true
+      - name: cognitive-complexity
+        disabled: true
+      - name: cyclomatic
+        disabled: true
+      - name: file-header
+        disabled: true
+      - name: function-length
+        disabled: true
+      - name: function-result-limit
+        disabled: true
+      - name: max-public-structs
+        disabled: true
+      # geneally annoying rules
+      - name: add-constant # complains about any and all strings and integers
+        disabled: true
+      - name: confusing-naming # we frequently use "Foo()" and "foo()" together
+        disabled: true
+      - name: flag-parameter # excessive, and a common idiom we use
+        disabled: true
+      - name: unhandled-error # warns over common fmt.Print* and io.Close; rely on errcheck instead
+        disabled: true
+      # general config
+      - name: line-length-limit
+        arguments:
+          - 140
+      - name: var-naming
+        arguments:
+          - []
+          - - CID
+            - CRI
+            - CTRD
+            - DACL
+            - DLL
+            - DOS
+            - ETW
+            - FSCTL
+            - GCS
+            - GMSA
+            - HCS
+            - HV
+            - IO
+            - LCOW
+            - LDAP
+            - LPAC
+            - LTSC
+            - MMIO
+            - NT
+            - OCI
+            - PMEM
+            - PWSH
+            - RX
+            - SACl
+            - SID
+            - SMB
+            - TX
+            - VHD
+            - VHDX
+            - VMID
+            - VPCI
+            - WCOW
+            - WIM
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/CODEOWNERS b/debian/extra/vendor/github.com/Microsoft/go-winio/CODEOWNERS
new file mode 100644
index 0000000..ae1b494
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/CODEOWNERS
@@ -0,0 +1 @@
+  * @microsoft/containerplat
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/LICENSE b/debian/extra/vendor/github.com/Microsoft/go-winio/LICENSE
new file mode 100644
index 0000000..b8b569d
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 Microsoft
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/README.md b/debian/extra/vendor/github.com/Microsoft/go-winio/README.md
new file mode 100644
index 0000000..7474b4f
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/README.md
@@ -0,0 +1,89 @@
+# go-winio [![Build Status](https://github.com/microsoft/go-winio/actions/workflows/ci.yml/badge.svg)](https://github.com/microsoft/go-winio/actions/workflows/ci.yml)
+
+This repository contains utilities for efficiently performing Win32 IO operations in
+Go. Currently, this is focused on accessing named pipes and other file handles, and
+for using named pipes as a net transport.
+
+This code relies on IO completion ports to avoid blocking IO on system threads, allowing Go
+to reuse the thread to schedule another goroutine. This limits support to Windows Vista and
+newer operating systems. This is similar to the implementation of network sockets in Go's net
+package.
+
+Please see the LICENSE file for licensing information.
+
+## Contributing
+
+This project welcomes contributions and suggestions.
+Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that
+you have the right to, and actually do, grant us the rights to use your contribution.
+For details, visit [Microsoft CLA](https://cla.microsoft.com).
+
+When you submit a pull request, a CLA-bot will automatically determine whether you need to
+provide a CLA and decorate the PR appropriately (e.g., label, comment).
+Simply follow the instructions provided by the bot.
+You will only need to do this once across all repos using our CLA.
+
+Additionally, the pull request pipeline requires the following steps to be performed before
+mergining.
+
+### Code Sign-Off
+
+We require that contributors sign their commits using [`git commit --signoff`][git-commit-s]
+to certify they either authored the work themselves or otherwise have permission to use it in this project.
+
+A range of commits can be signed off using [`git rebase --signoff`][git-rebase-s].
+
+Please see [the developer certificate](https://developercertificate.org) for more info,
+as well as to make sure that you can attest to the rules listed.
+Our CI uses the DCO Github app to ensure that all commits in a given PR are signed-off.
+
+### Linting
+
+Code must pass a linting stage, which uses [`golangci-lint`][lint].
+The linting settings are stored in [`.golangci.yaml`](./.golangci.yaml), and can be run
+automatically with VSCode by adding the following to your workspace or folder settings:
+
+```json
+    "go.lintTool": "golangci-lint",
+    "go.lintOnSave": "package",
+```
+
+Additional editor [integrations options are also available][lint-ide].
+
+Alternatively, `golangci-lint` can be [installed locally][lint-install] and run from the repo root:
+
+```shell
+# use . or specify a path to only lint a package
+# to show all lint errors, use flags "--max-issues-per-linter=0 --max-same-issues=0"
+> golangci-lint run ./...
+```
+
+### Go Generate
+
+The pipeline checks that auto-generated code, via `go generate`, are up to date.
+
+This can be done for the entire repo:
+
+```shell
+> go generate ./...
+```
+
+## Code of Conduct
+
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
+For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
+contact [[e-mail]](mailto:[e-mail]) with any additional questions or comments.
+
+## Special Thanks
+
+Thanks to [natefinch][natefinch] for the inspiration for this library.
+See [npipe](https://github.com/natefinch/npipe) for another named pipe implementation.
+
+[lint]: https://golangci-lint.run/
+[lint-ide]: https://golangci-lint.run/usage/integrations/#editor-integration
+[lint-install]: https://golangci-lint.run/usage/install/#local-installation
+
+[git-commit-s]: https://git-scm.com/docs/git-commit#Documentation/git-commit.txt--s
+[git-rebase-s]: https://git-scm.com/docs/git-rebase#Documentation/git-rebase.txt---signoff
+
+[natefinch]: https://github.com/natefinch
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/SECURITY.md b/debian/extra/vendor/github.com/Microsoft/go-winio/SECURITY.md
new file mode 100644
index 0000000..869fdfe
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/SECURITY.md
@@ -0,0 +1,41 @@
+<!-- BEGIN MICROSOFT SECURITY.MD V0.0.7 BLOCK -->
+
+## Security
+
+Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/).
+
+If you believe you have found a security vulnerability in any Microsoft-owned repository that meets [Microsoft's definition of a security vulnerability](https://aka.ms/opensource/security/definition), please report it to us as described below.
+
+## Reporting Security Issues
+
+**Please do not report security vulnerabilities through public GitHub issues.**
+
+Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://aka.ms/opensource/security/create-report).
+
+If you prefer to submit without logging in, send email to [[e-mail]](mailto:[e-mail]).  If possible, encrypt your message with our PGP key; please download it from the [Microsoft Security Response Center PGP Key page](https://aka.ms/opensource/security/pgpkey).
+
+You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://aka.ms/opensource/security/msrc). 
+
+Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue:
+
+  * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.)
+  * Full paths of source file(s) related to the manifestation of the issue
+  * The location of the affected source code (tag/branch/commit or direct URL)
+  * Any special configuration required to reproduce the issue
+  * Step-by-step instructions to reproduce the issue
+  * Proof-of-concept or exploit code (if possible)
+  * Impact of the issue, including how an attacker might exploit the issue
+
+This information will help us triage your report more quickly.
+
+If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://aka.ms/opensource/security/bounty) page for more details about our active programs.
+
+## Preferred Languages
+
+We prefer all communications to be in English.
+
+## Policy
+
+Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://aka.ms/opensource/security/cvd).
+
+<!-- END MICROSOFT SECURITY.MD BLOCK -->
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/backup.go b/debian/extra/vendor/github.com/Microsoft/go-winio/backup.go
new file mode 100644
index 0000000..09621c8
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/backup.go
@@ -0,0 +1,290 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"runtime"
+	"syscall"
+	"unicode/utf16"
+
+	"golang.org/x/sys/windows"
+)
+
+//sys backupRead(h syscall.Handle, b []byte, bytesRead *uint32, abort bool, processSecurity bool, context *uintptr) (err error) = BackupRead
+//sys backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, processSecurity bool, context *uintptr) (err error) = BackupWrite
+
+const (
+	BackupData = uint32(iota + 1)
+	BackupEaData
+	BackupSecurity
+	BackupAlternateData
+	BackupLink
+	BackupPropertyData
+	BackupObjectId //revive:disable-line:var-naming ID, not Id
+	BackupReparseData
+	BackupSparseBlock
+	BackupTxfsData
+)
+
+const (
+	StreamSparseAttributes = uint32(8)
+)
+
+//nolint:revive // var-naming: ALL_CAPS
+const (
+	WRITE_DAC              = windows.WRITE_DAC
+	WRITE_OWNER            = windows.WRITE_OWNER
+	ACCESS_SYSTEM_SECURITY = windows.ACCESS_SYSTEM_SECURITY
+)
+
+// BackupHeader represents a backup stream of a file.
+type BackupHeader struct {
+	//revive:disable-next-line:var-naming ID, not Id
+	Id         uint32 // The backup stream ID
+	Attributes uint32 // Stream attributes
+	Size       int64  // The size of the stream in bytes
+	Name       string // The name of the stream (for BackupAlternateData only).
+	Offset     int64  // The offset of the stream in the file (for BackupSparseBlock only).
+}
+
+type win32StreamID struct {
+	StreamID   uint32
+	Attributes uint32
+	Size       uint64
+	NameSize   uint32
+}
+
+// BackupStreamReader reads from a stream produced by the BackupRead Win32 API and produces a series
+// of BackupHeader values.
+type BackupStreamReader struct {
+	r         io.Reader
+	bytesLeft int64
+}
+
+// NewBackupStreamReader produces a BackupStreamReader from any io.Reader.
+func NewBackupStreamReader(r io.Reader) *BackupStreamReader {
+	return &BackupStreamReader{r, 0}
+}
+
+// Next returns the next backup stream and prepares for calls to Read(). It skips the remainder of the current stream if
+// it was not completely read.
+func (r *BackupStreamReader) Next() (*BackupHeader, error) {
+	if r.bytesLeft > 0 { //nolint:nestif // todo: flatten this
+		if s, ok := r.r.(io.Seeker); ok {
+			// Make sure Seek on io.SeekCurrent sometimes succeeds
+			// before trying the actual seek.
+			if _, err := s.Seek(0, io.SeekCurrent); err == nil {
+				if _, err = s.Seek(r.bytesLeft, io.SeekCurrent); err != nil {
+					return nil, err
+				}
+				r.bytesLeft = 0
+			}
+		}
+		if _, err := io.Copy(io.Discard, r); err != nil {
+			return nil, err
+		}
+	}
+	var wsi win32StreamID
+	if err := binary.Read(r.r, binary.LittleEndian, &wsi); err != nil {
+		return nil, err
+	}
+	hdr := &BackupHeader{
+		Id:         wsi.StreamID,
+		Attributes: wsi.Attributes,
+		Size:       int64(wsi.Size),
+	}
+	if wsi.NameSize != 0 {
+		name := make([]uint16, int(wsi.NameSize/2))
+		if err := binary.Read(r.r, binary.LittleEndian, name); err != nil {
+			return nil, err
+		}
+		hdr.Name = syscall.UTF16ToString(name)
+	}
+	if wsi.StreamID == BackupSparseBlock {
+		if err := binary.Read(r.r, binary.LittleEndian, &hdr.Offset); err != nil {
+			return nil, err
+		}
+		hdr.Size -= 8
+	}
+	r.bytesLeft = hdr.Size
+	return hdr, nil
+}
+
+// Read reads from the current backup stream.
+func (r *BackupStreamReader) Read(b []byte) (int, error) {
+	if r.bytesLeft == 0 {
+		return 0, io.EOF
+	}
+	if int64(len(b)) > r.bytesLeft {
+		b = b[:r.bytesLeft]
+	}
+	n, err := r.r.Read(b)
+	r.bytesLeft -= int64(n)
+	if err == io.EOF {
+		err = io.ErrUnexpectedEOF
+	} else if r.bytesLeft == 0 && err == nil {
+		err = io.EOF
+	}
+	return n, err
+}
+
+// BackupStreamWriter writes a stream compatible with the BackupWrite Win32 API.
+type BackupStreamWriter struct {
+	w         io.Writer
+	bytesLeft int64
+}
+
+// NewBackupStreamWriter produces a BackupStreamWriter on top of an io.Writer.
+func NewBackupStreamWriter(w io.Writer) *BackupStreamWriter {
+	return &BackupStreamWriter{w, 0}
+}
+
+// WriteHeader writes the next backup stream header and prepares for calls to Write().
+func (w *BackupStreamWriter) WriteHeader(hdr *BackupHeader) error {
+	if w.bytesLeft != 0 {
+		return fmt.Errorf("missing %d bytes", w.bytesLeft)
+	}
+	name := utf16.Encode([]rune(hdr.Name))
+	wsi := win32StreamID{
+		StreamID:   hdr.Id,
+		Attributes: hdr.Attributes,
+		Size:       uint64(hdr.Size),
+		NameSize:   uint32(len(name) * 2),
+	}
+	if hdr.Id == BackupSparseBlock {
+		// Include space for the int64 block offset
+		wsi.Size += 8
+	}
+	if err := binary.Write(w.w, binary.LittleEndian, &wsi); err != nil {
+		return err
+	}
+	if len(name) != 0 {
+		if err := binary.Write(w.w, binary.LittleEndian, name); err != nil {
+			return err
+		}
+	}
+	if hdr.Id == BackupSparseBlock {
+		if err := binary.Write(w.w, binary.LittleEndian, hdr.Offset); err != nil {
+			return err
+		}
+	}
+	w.bytesLeft = hdr.Size
+	return nil
+}
+
+// Write writes to the current backup stream.
+func (w *BackupStreamWriter) Write(b []byte) (int, error) {
+	if w.bytesLeft < int64(len(b)) {
+		return 0, fmt.Errorf("too many bytes by %d", int64(len(b))-w.bytesLeft)
+	}
+	n, err := w.w.Write(b)
+	w.bytesLeft -= int64(n)
+	return n, err
+}
+
+// BackupFileReader provides an io.ReadCloser interface on top of the BackupRead Win32 API.
+type BackupFileReader struct {
+	f               *os.File
+	includeSecurity bool
+	ctx             uintptr
+}
+
+// NewBackupFileReader returns a new BackupFileReader from a file handle. If includeSecurity is true,
+// Read will attempt to read the security descriptor of the file.
+func NewBackupFileReader(f *os.File, includeSecurity bool) *BackupFileReader {
+	r := &BackupFileReader{f, includeSecurity, 0}
+	return r
+}
+
+// Read reads a backup stream from the file by calling the Win32 API BackupRead().
+func (r *BackupFileReader) Read(b []byte) (int, error) {
+	var bytesRead uint32
+	err := backupRead(syscall.Handle(r.f.Fd()), b, &bytesRead, false, r.includeSecurity, &r.ctx)
+	if err != nil {
+		return 0, &os.PathError{Op: "BackupRead", Path: r.f.Name(), Err: err}
+	}
+	runtime.KeepAlive(r.f)
+	if bytesRead == 0 {
+		return 0, io.EOF
+	}
+	return int(bytesRead), nil
+}
+
+// Close frees Win32 resources associated with the BackupFileReader. It does not close
+// the underlying file.
+func (r *BackupFileReader) Close() error {
+	if r.ctx != 0 {
+		_ = backupRead(syscall.Handle(r.f.Fd()), nil, nil, true, false, &r.ctx)
+		runtime.KeepAlive(r.f)
+		r.ctx = 0
+	}
+	return nil
+}
+
+// BackupFileWriter provides an io.WriteCloser interface on top of the BackupWrite Win32 API.
+type BackupFileWriter struct {
+	f               *os.File
+	includeSecurity bool
+	ctx             uintptr
+}
+
+// NewBackupFileWriter returns a new BackupFileWriter from a file handle. If includeSecurity is true,
+// Write() will attempt to restore the security descriptor from the stream.
+func NewBackupFileWriter(f *os.File, includeSecurity bool) *BackupFileWriter {
+	w := &BackupFileWriter{f, includeSecurity, 0}
+	return w
+}
+
+// Write restores a portion of the file using the provided backup stream.
+func (w *BackupFileWriter) Write(b []byte) (int, error) {
+	var bytesWritten uint32
+	err := backupWrite(syscall.Handle(w.f.Fd()), b, &bytesWritten, false, w.includeSecurity, &w.ctx)
+	if err != nil {
+		return 0, &os.PathError{Op: "BackupWrite", Path: w.f.Name(), Err: err}
+	}
+	runtime.KeepAlive(w.f)
+	if int(bytesWritten) != len(b) {
+		return int(bytesWritten), errors.New("not all bytes could be written")
+	}
+	return len(b), nil
+}
+
+// Close frees Win32 resources associated with the BackupFileWriter. It does not
+// close the underlying file.
+func (w *BackupFileWriter) Close() error {
+	if w.ctx != 0 {
+		_ = backupWrite(syscall.Handle(w.f.Fd()), nil, nil, true, false, &w.ctx)
+		runtime.KeepAlive(w.f)
+		w.ctx = 0
+	}
+	return nil
+}
+
+// OpenForBackup opens a file or directory, potentially skipping access checks if the backup
+// or restore privileges have been acquired.
+//
+// If the file opened was a directory, it cannot be used with Readdir().
+func OpenForBackup(path string, access uint32, share uint32, createmode uint32) (*os.File, error) {
+	winPath, err := syscall.UTF16FromString(path)
+	if err != nil {
+		return nil, err
+	}
+	h, err := syscall.CreateFile(&winPath[0],
+		access,
+		share,
+		nil,
+		createmode,
+		syscall.FILE_FLAG_BACKUP_SEMANTICS|syscall.FILE_FLAG_OPEN_REPARSE_POINT,
+		0)
+	if err != nil {
+		err = &os.PathError{Op: "open", Path: path, Err: err}
+		return nil, err
+	}
+	return os.NewFile(uintptr(h), path), nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/doc.go b/debian/extra/vendor/github.com/Microsoft/go-winio/doc.go
new file mode 100644
index 0000000..1f5bfe2
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/doc.go
@@ -0,0 +1,22 @@
+// This package provides utilities for efficiently performing Win32 IO operations in Go.
+// Currently, this package is provides support for genreal IO and management of
+//   - named pipes
+//   - files
+//   - [Hyper-V sockets]
+//
+// This code is similar to Go's [net] package, and uses IO completion ports to avoid
+// blocking IO on system threads, allowing Go to reuse the thread to schedule other goroutines.
+//
+// This limits support to Windows Vista and newer operating systems.
+//
+// Additionally, this package provides support for:
+//   - creating and managing GUIDs
+//   - writing to [ETW]
+//   - opening and manageing VHDs
+//   - parsing [Windows Image files]
+//   - auto-generating Win32 API code
+//
+// [Hyper-V sockets]: https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service
+// [ETW]: https://docs.microsoft.com/en-us/windows-hardware/drivers/devtest/event-tracing-for-windows--etw-
+// [Windows Image files]: https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/work-with-windows-images
+package winio
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/ea.go b/debian/extra/vendor/github.com/Microsoft/go-winio/ea.go
new file mode 100644
index 0000000..e104dbd
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/ea.go
@@ -0,0 +1,137 @@
+package winio
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+)
+
+type fileFullEaInformation struct {
+	NextEntryOffset uint32
+	Flags           uint8
+	NameLength      uint8
+	ValueLength     uint16
+}
+
+var (
+	fileFullEaInformationSize = binary.Size(&fileFullEaInformation{})
+
+	errInvalidEaBuffer = errors.New("invalid extended attribute buffer")
+	errEaNameTooLarge  = errors.New("extended attribute name too large")
+	errEaValueTooLarge = errors.New("extended attribute value too large")
+)
+
+// ExtendedAttribute represents a single Windows EA.
+type ExtendedAttribute struct {
+	Name  string
+	Value []byte
+	Flags uint8
+}
+
+func parseEa(b []byte) (ea ExtendedAttribute, nb []byte, err error) {
+	var info fileFullEaInformation
+	err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &info)
+	if err != nil {
+		err = errInvalidEaBuffer
+		return ea, nb, err
+	}
+
+	nameOffset := fileFullEaInformationSize
+	nameLen := int(info.NameLength)
+	valueOffset := nameOffset + int(info.NameLength) + 1
+	valueLen := int(info.ValueLength)
+	nextOffset := int(info.NextEntryOffset)
+	if valueLen+valueOffset > len(b) || nextOffset < 0 || nextOffset > len(b) {
+		err = errInvalidEaBuffer
+		return ea, nb, err
+	}
+
+	ea.Name = string(b[nameOffset : nameOffset+nameLen])
+	ea.Value = b[valueOffset : valueOffset+valueLen]
+	ea.Flags = info.Flags
+	if info.NextEntryOffset != 0 {
+		nb = b[info.NextEntryOffset:]
+	}
+	return ea, nb, err
+}
+
+// DecodeExtendedAttributes decodes a list of EAs from a FILE_FULL_EA_INFORMATION
+// buffer retrieved from BackupRead, ZwQueryEaFile, etc.
+func DecodeExtendedAttributes(b []byte) (eas []ExtendedAttribute, err error) {
+	for len(b) != 0 {
+		ea, nb, err := parseEa(b)
+		if err != nil {
+			return nil, err
+		}
+
+		eas = append(eas, ea)
+		b = nb
+	}
+	return eas, err
+}
+
+func writeEa(buf *bytes.Buffer, ea *ExtendedAttribute, last bool) error {
+	if int(uint8(len(ea.Name))) != len(ea.Name) {
+		return errEaNameTooLarge
+	}
+	if int(uint16(len(ea.Value))) != len(ea.Value) {
+		return errEaValueTooLarge
+	}
+	entrySize := uint32(fileFullEaInformationSize + len(ea.Name) + 1 + len(ea.Value))
+	withPadding := (entrySize + 3) &^ 3
+	nextOffset := uint32(0)
+	if !last {
+		nextOffset = withPadding
+	}
+	info := fileFullEaInformation{
+		NextEntryOffset: nextOffset,
+		Flags:           ea.Flags,
+		NameLength:      uint8(len(ea.Name)),
+		ValueLength:     uint16(len(ea.Value)),
+	}
+
+	err := binary.Write(buf, binary.LittleEndian, &info)
+	if err != nil {
+		return err
+	}
+
+	_, err = buf.Write([]byte(ea.Name))
+	if err != nil {
+		return err
+	}
+
+	err = buf.WriteByte(0)
+	if err != nil {
+		return err
+	}
+
+	_, err = buf.Write(ea.Value)
+	if err != nil {
+		return err
+	}
+
+	_, err = buf.Write([]byte{0, 0, 0}[0 : withPadding-entrySize])
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// EncodeExtendedAttributes encodes a list of EAs into a FILE_FULL_EA_INFORMATION
+// buffer for use with BackupWrite, ZwSetEaFile, etc.
+func EncodeExtendedAttributes(eas []ExtendedAttribute) ([]byte, error) {
+	var buf bytes.Buffer
+	for i := range eas {
+		last := false
+		if i == len(eas)-1 {
+			last = true
+		}
+
+		err := writeEa(&buf, &eas[i], last)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return buf.Bytes(), nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/file.go b/debian/extra/vendor/github.com/Microsoft/go-winio/file.go
new file mode 100644
index 0000000..175a99d
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/file.go
@@ -0,0 +1,331 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"errors"
+	"io"
+	"runtime"
+	"sync"
+	"sync/atomic"
+	"syscall"
+	"time"
+
+	"golang.org/x/sys/windows"
+)
+
+//sys cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) = CancelIoEx
+//sys createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) = CreateIoCompletionPort
+//sys getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) = GetQueuedCompletionStatus
+//sys setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) = SetFileCompletionNotificationModes
+//sys wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) = ws2_32.WSAGetOverlappedResult
+
+type atomicBool int32
+
+func (b *atomicBool) isSet() bool { return atomic.LoadInt32((*int32)(b)) != 0 }
+func (b *atomicBool) setFalse()   { atomic.StoreInt32((*int32)(b), 0) }
+func (b *atomicBool) setTrue()    { atomic.StoreInt32((*int32)(b), 1) }
+
+//revive:disable-next-line:predeclared Keep "new" to maintain consistency with "atomic" pkg
+func (b *atomicBool) swap(new bool) bool {
+	var newInt int32
+	if new {
+		newInt = 1
+	}
+	return atomic.SwapInt32((*int32)(b), newInt) == 1
+}
+
+var (
+	ErrFileClosed = errors.New("file has already been closed")
+	ErrTimeout    = &timeoutError{}
+)
+
+type timeoutError struct{}
+
+func (*timeoutError) Error() string   { return "i/o timeout" }
+func (*timeoutError) Timeout() bool   { return true }
+func (*timeoutError) Temporary() bool { return true }
+
+type timeoutChan chan struct{}
+
+var ioInitOnce sync.Once
+var ioCompletionPort syscall.Handle
+
+// ioResult contains the result of an asynchronous IO operation.
+type ioResult struct {
+	bytes uint32
+	err   error
+}
+
+// ioOperation represents an outstanding asynchronous Win32 IO.
+type ioOperation struct {
+	o  syscall.Overlapped
+	ch chan ioResult
+}
+
+func initIO() {
+	h, err := createIoCompletionPort(syscall.InvalidHandle, 0, 0, 0xffffffff)
+	if err != nil {
+		panic(err)
+	}
+	ioCompletionPort = h
+	go ioCompletionProcessor(h)
+}
+
+// win32File implements Reader, Writer, and Closer on a Win32 handle without blocking in a syscall.
+// It takes ownership of this handle and will close it if it is garbage collected.
+type win32File struct {
+	handle        syscall.Handle
+	wg            sync.WaitGroup
+	wgLock        sync.RWMutex
+	closing       atomicBool
+	socket        bool
+	readDeadline  deadlineHandler
+	writeDeadline deadlineHandler
+}
+
+type deadlineHandler struct {
+	setLock     sync.Mutex
+	channel     timeoutChan
+	channelLock sync.RWMutex
+	timer       *time.Timer
+	timedout    atomicBool
+}
+
+// makeWin32File makes a new win32File from an existing file handle.
+func makeWin32File(h syscall.Handle) (*win32File, error) {
+	f := &win32File{handle: h}
+	ioInitOnce.Do(initIO)
+	_, err := createIoCompletionPort(h, ioCompletionPort, 0, 0xffffffff)
+	if err != nil {
+		return nil, err
+	}
+	err = setFileCompletionNotificationModes(h, windows.FILE_SKIP_COMPLETION_PORT_ON_SUCCESS|windows.FILE_SKIP_SET_EVENT_ON_HANDLE)
+	if err != nil {
+		return nil, err
+	}
+	f.readDeadline.channel = make(timeoutChan)
+	f.writeDeadline.channel = make(timeoutChan)
+	return f, nil
+}
+
+func MakeOpenFile(h syscall.Handle) (io.ReadWriteCloser, error) {
+	// If we return the result of makeWin32File directly, it can result in an
+	// interface-wrapped nil, rather than a nil interface value.
+	f, err := makeWin32File(h)
+	if err != nil {
+		return nil, err
+	}
+	return f, nil
+}
+
+// closeHandle closes the resources associated with a Win32 handle.
+func (f *win32File) closeHandle() {
+	f.wgLock.Lock()
+	// Atomically set that we are closing, releasing the resources only once.
+	if !f.closing.swap(true) {
+		f.wgLock.Unlock()
+		// cancel all IO and wait for it to complete
+		_ = cancelIoEx(f.handle, nil)
+		f.wg.Wait()
+		// at this point, no new IO can start
+		syscall.Close(f.handle)
+		f.handle = 0
+	} else {
+		f.wgLock.Unlock()
+	}
+}
+
+// Close closes a win32File.
+func (f *win32File) Close() error {
+	f.closeHandle()
+	return nil
+}
+
+// IsClosed checks if the file has been closed.
+func (f *win32File) IsClosed() bool {
+	return f.closing.isSet()
+}
+
+// prepareIO prepares for a new IO operation.
+// The caller must call f.wg.Done() when the IO is finished, prior to Close() returning.
+func (f *win32File) prepareIO() (*ioOperation, error) {
+	f.wgLock.RLock()
+	if f.closing.isSet() {
+		f.wgLock.RUnlock()
+		return nil, ErrFileClosed
+	}
+	f.wg.Add(1)
+	f.wgLock.RUnlock()
+	c := &ioOperation{}
+	c.ch = make(chan ioResult)
+	return c, nil
+}
+
+// ioCompletionProcessor processes completed async IOs forever.
+func ioCompletionProcessor(h syscall.Handle) {
+	for {
+		var bytes uint32
+		var key uintptr
+		var op *ioOperation
+		err := getQueuedCompletionStatus(h, &bytes, &key, &op, syscall.INFINITE)
+		if op == nil {
+			panic(err)
+		}
+		op.ch <- ioResult{bytes, err}
+	}
+}
+
+// todo: helsaawy - create an asyncIO version that takes a context
+
+// asyncIO processes the return value from ReadFile or WriteFile, blocking until
+// the operation has actually completed.
+func (f *win32File) asyncIO(c *ioOperation, d *deadlineHandler, bytes uint32, err error) (int, error) {
+	if err != syscall.ERROR_IO_PENDING { //nolint:errorlint // err is Errno
+		return int(bytes), err
+	}
+
+	if f.closing.isSet() {
+		_ = cancelIoEx(f.handle, &c.o)
+	}
+
+	var timeout timeoutChan
+	if d != nil {
+		d.channelLock.Lock()
+		timeout = d.channel
+		d.channelLock.Unlock()
+	}
+
+	var r ioResult
+	select {
+	case r = <-c.ch:
+		err = r.err
+		if err == syscall.ERROR_OPERATION_ABORTED { //nolint:errorlint // err is Errno
+			if f.closing.isSet() {
+				err = ErrFileClosed
+			}
+		} else if err != nil && f.socket {
+			// err is from Win32. Query the overlapped structure to get the winsock error.
+			var bytes, flags uint32
+			err = wsaGetOverlappedResult(f.handle, &c.o, &bytes, false, &flags)
+		}
+	case <-timeout:
+		_ = cancelIoEx(f.handle, &c.o)
+		r = <-c.ch
+		err = r.err
+		if err == syscall.ERROR_OPERATION_ABORTED { //nolint:errorlint // err is Errno
+			err = ErrTimeout
+		}
+	}
+
+	// runtime.KeepAlive is needed, as c is passed via native
+	// code to ioCompletionProcessor, c must remain alive
+	// until the channel read is complete.
+	// todo: (de)allocate *ioOperation via win32 heap functions, instead of needing to KeepAlive?
+	runtime.KeepAlive(c)
+	return int(r.bytes), err
+}
+
+// Read reads from a file handle.
+func (f *win32File) Read(b []byte) (int, error) {
+	c, err := f.prepareIO()
+	if err != nil {
+		return 0, err
+	}
+	defer f.wg.Done()
+
+	if f.readDeadline.timedout.isSet() {
+		return 0, ErrTimeout
+	}
+
+	var bytes uint32
+	err = syscall.ReadFile(f.handle, b, &bytes, &c.o)
+	n, err := f.asyncIO(c, &f.readDeadline, bytes, err)
+	runtime.KeepAlive(b)
+
+	// Handle EOF conditions.
+	if err == nil && n == 0 && len(b) != 0 {
+		return 0, io.EOF
+	} else if err == syscall.ERROR_BROKEN_PIPE { //nolint:errorlint // err is Errno
+		return 0, io.EOF
+	} else {
+		return n, err
+	}
+}
+
+// Write writes to a file handle.
+func (f *win32File) Write(b []byte) (int, error) {
+	c, err := f.prepareIO()
+	if err != nil {
+		return 0, err
+	}
+	defer f.wg.Done()
+
+	if f.writeDeadline.timedout.isSet() {
+		return 0, ErrTimeout
+	}
+
+	var bytes uint32
+	err = syscall.WriteFile(f.handle, b, &bytes, &c.o)
+	n, err := f.asyncIO(c, &f.writeDeadline, bytes, err)
+	runtime.KeepAlive(b)
+	return n, err
+}
+
+func (f *win32File) SetReadDeadline(deadline time.Time) error {
+	return f.readDeadline.set(deadline)
+}
+
+func (f *win32File) SetWriteDeadline(deadline time.Time) error {
+	return f.writeDeadline.set(deadline)
+}
+
+func (f *win32File) Flush() error {
+	return syscall.FlushFileBuffers(f.handle)
+}
+
+func (f *win32File) Fd() uintptr {
+	return uintptr(f.handle)
+}
+
+func (d *deadlineHandler) set(deadline time.Time) error {
+	d.setLock.Lock()
+	defer d.setLock.Unlock()
+
+	if d.timer != nil {
+		if !d.timer.Stop() {
+			<-d.channel
+		}
+		d.timer = nil
+	}
+	d.timedout.setFalse()
+
+	select {
+	case <-d.channel:
+		d.channelLock.Lock()
+		d.channel = make(chan struct{})
+		d.channelLock.Unlock()
+	default:
+	}
+
+	if deadline.IsZero() {
+		return nil
+	}
+
+	timeoutIO := func() {
+		d.timedout.setTrue()
+		close(d.channel)
+	}
+
+	now := time.Now()
+	duration := deadline.Sub(now)
+	if deadline.After(now) {
+		// Deadline is in the future, set a timer to wait
+		d.timer = time.AfterFunc(duration, timeoutIO)
+	} else {
+		// Deadline is in the past. Cancel all pending IO now.
+		timeoutIO()
+	}
+	return nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/fileinfo.go b/debian/extra/vendor/github.com/Microsoft/go-winio/fileinfo.go
new file mode 100644
index 0000000..702950e
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/fileinfo.go
@@ -0,0 +1,92 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"os"
+	"runtime"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+// FileBasicInfo contains file access time and file attributes information.
+type FileBasicInfo struct {
+	CreationTime, LastAccessTime, LastWriteTime, ChangeTime windows.Filetime
+	FileAttributes                                          uint32
+	_                                                       uint32 // padding
+}
+
+// GetFileBasicInfo retrieves times and attributes for a file.
+func GetFileBasicInfo(f *os.File) (*FileBasicInfo, error) {
+	bi := &FileBasicInfo{}
+	if err := windows.GetFileInformationByHandleEx(
+		windows.Handle(f.Fd()),
+		windows.FileBasicInfo,
+		(*byte)(unsafe.Pointer(bi)),
+		uint32(unsafe.Sizeof(*bi)),
+	); err != nil {
+		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return bi, nil
+}
+
+// SetFileBasicInfo sets times and attributes for a file.
+func SetFileBasicInfo(f *os.File, bi *FileBasicInfo) error {
+	if err := windows.SetFileInformationByHandle(
+		windows.Handle(f.Fd()),
+		windows.FileBasicInfo,
+		(*byte)(unsafe.Pointer(bi)),
+		uint32(unsafe.Sizeof(*bi)),
+	); err != nil {
+		return &os.PathError{Op: "SetFileInformationByHandle", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return nil
+}
+
+// FileStandardInfo contains extended information for the file.
+// FILE_STANDARD_INFO in WinBase.h
+// https://docs.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_standard_info
+type FileStandardInfo struct {
+	AllocationSize, EndOfFile int64
+	NumberOfLinks             uint32
+	DeletePending, Directory  bool
+}
+
+// GetFileStandardInfo retrieves ended information for the file.
+func GetFileStandardInfo(f *os.File) (*FileStandardInfo, error) {
+	si := &FileStandardInfo{}
+	if err := windows.GetFileInformationByHandleEx(windows.Handle(f.Fd()),
+		windows.FileStandardInfo,
+		(*byte)(unsafe.Pointer(si)),
+		uint32(unsafe.Sizeof(*si))); err != nil {
+		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return si, nil
+}
+
+// FileIDInfo contains the volume serial number and file ID for a file. This pair should be
+// unique on a system.
+type FileIDInfo struct {
+	VolumeSerialNumber uint64
+	FileID             [16]byte
+}
+
+// GetFileID retrieves the unique (volume, file ID) pair for a file.
+func GetFileID(f *os.File) (*FileIDInfo, error) {
+	fileID := &FileIDInfo{}
+	if err := windows.GetFileInformationByHandleEx(
+		windows.Handle(f.Fd()),
+		windows.FileIdInfo,
+		(*byte)(unsafe.Pointer(fileID)),
+		uint32(unsafe.Sizeof(*fileID)),
+	); err != nil {
+		return nil, &os.PathError{Op: "GetFileInformationByHandleEx", Path: f.Name(), Err: err}
+	}
+	runtime.KeepAlive(f)
+	return fileID, nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/hvsock.go b/debian/extra/vendor/github.com/Microsoft/go-winio/hvsock.go
new file mode 100644
index 0000000..c881916
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/hvsock.go
@@ -0,0 +1,575 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"syscall"
+	"time"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+
+	"github.com/Microsoft/go-winio/internal/socket"
+	"github.com/Microsoft/go-winio/pkg/guid"
+)
+
+const afHVSock = 34 // AF_HYPERV
+
+// Well known Service and VM IDs
+// https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/make-integration-service#vmid-wildcards
+
+// HvsockGUIDWildcard is the wildcard VmId for accepting connections from all partitions.
+func HvsockGUIDWildcard() guid.GUID { // 00000000-0000-0000-0000-000000000000
+	return guid.GUID{}
+}
+
+// HvsockGUIDBroadcast is the wildcard VmId for broadcasting sends to all partitions.
+func HvsockGUIDBroadcast() guid.GUID { // ffffffff-ffff-ffff-ffff-ffffffffffff
+	return guid.GUID{
+		Data1: 0xffffffff,
+		Data2: 0xffff,
+		Data3: 0xffff,
+		Data4: [8]uint8{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
+	}
+}
+
+// HvsockGUIDLoopback is the Loopback VmId for accepting connections to the same partition as the connector.
+func HvsockGUIDLoopback() guid.GUID { // e0e16197-dd56-4a10-9195-5ee7a155a838
+	return guid.GUID{
+		Data1: 0xe0e16197,
+		Data2: 0xdd56,
+		Data3: 0x4a10,
+		Data4: [8]uint8{0x91, 0x95, 0x5e, 0xe7, 0xa1, 0x55, 0xa8, 0x38},
+	}
+}
+
+// HvsockGUIDSiloHost is the address of a silo's host partition:
+//   - The silo host of a hosted silo is the utility VM.
+//   - The silo host of a silo on a physical host is the physical host.
+func HvsockGUIDSiloHost() guid.GUID { // 36bd0c5c-7276-4223-88ba-7d03b654c568
+	return guid.GUID{
+		Data1: 0x36bd0c5c,
+		Data2: 0x7276,
+		Data3: 0x4223,
+		Data4: [8]byte{0x88, 0xba, 0x7d, 0x03, 0xb6, 0x54, 0xc5, 0x68},
+	}
+}
+
+// HvsockGUIDChildren is the wildcard VmId for accepting connections from the connector's child partitions.
+func HvsockGUIDChildren() guid.GUID { // 90db8b89-0d35-4f79-8ce9-49ea0ac8b7cd
+	return guid.GUID{
+		Data1: 0x90db8b89,
+		Data2: 0xd35,
+		Data3: 0x4f79,
+		Data4: [8]uint8{0x8c, 0xe9, 0x49, 0xea, 0xa, 0xc8, 0xb7, 0xcd},
+	}
+}
+
+// HvsockGUIDParent is the wildcard VmId for accepting connections from the connector's parent partition.
+// Listening on this VmId accepts connection from:
+//   - Inside silos: silo host partition.
+//   - Inside hosted silo: host of the VM.
+//   - Inside VM: VM host.
+//   - Physical host: Not supported.
+func HvsockGUIDParent() guid.GUID { // a42e7cda-d03f-480c-9cc2-a4de20abb878
+	return guid.GUID{
+		Data1: 0xa42e7cda,
+		Data2: 0xd03f,
+		Data3: 0x480c,
+		Data4: [8]uint8{0x9c, 0xc2, 0xa4, 0xde, 0x20, 0xab, 0xb8, 0x78},
+	}
+}
+
+// hvsockVsockServiceTemplate is the Service GUID used for the VSOCK protocol.
+func hvsockVsockServiceTemplate() guid.GUID { // 00000000-facb-11e6-bd58-64006a7986d3
+	return guid.GUID{
+		Data2: 0xfacb,
+		Data3: 0x11e6,
+		Data4: [8]uint8{0xbd, 0x58, 0x64, 0x00, 0x6a, 0x79, 0x86, 0xd3},
+	}
+}
+
+// An HvsockAddr is an address for a AF_HYPERV socket.
+type HvsockAddr struct {
+	VMID      guid.GUID
+	ServiceID guid.GUID
+}
+
+type rawHvsockAddr struct {
+	Family    uint16
+	_         uint16
+	VMID      guid.GUID
+	ServiceID guid.GUID
+}
+
+var _ socket.RawSockaddr = &rawHvsockAddr{}
+
+// Network returns the address's network name, "hvsock".
+func (*HvsockAddr) Network() string {
+	return "hvsock"
+}
+
+func (addr *HvsockAddr) String() string {
+	return fmt.Sprintf("%s:%s", &addr.VMID, &addr.ServiceID)
+}
+
+// VsockServiceID returns an hvsock service ID corresponding to the specified AF_VSOCK port.
+func VsockServiceID(port uint32) guid.GUID {
+	g := hvsockVsockServiceTemplate() // make a copy
+	g.Data1 = port
+	return g
+}
+
+func (addr *HvsockAddr) raw() rawHvsockAddr {
+	return rawHvsockAddr{
+		Family:    afHVSock,
+		VMID:      addr.VMID,
+		ServiceID: addr.ServiceID,
+	}
+}
+
+func (addr *HvsockAddr) fromRaw(raw *rawHvsockAddr) {
+	addr.VMID = raw.VMID
+	addr.ServiceID = raw.ServiceID
+}
+
+// Sockaddr returns a pointer to and the size of this struct.
+//
+// Implements the [socket.RawSockaddr] interface, and allows use in
+// [socket.Bind] and [socket.ConnectEx].
+func (r *rawHvsockAddr) Sockaddr() (unsafe.Pointer, int32, error) {
+	return unsafe.Pointer(r), int32(unsafe.Sizeof(rawHvsockAddr{})), nil
+}
+
+// Sockaddr interface allows use with `sockets.Bind()` and `.ConnectEx()`.
+func (r *rawHvsockAddr) FromBytes(b []byte) error {
+	n := int(unsafe.Sizeof(rawHvsockAddr{}))
+
+	if len(b) < n {
+		return fmt.Errorf("got %d, want %d: %w", len(b), n, socket.ErrBufferSize)
+	}
+
+	copy(unsafe.Slice((*byte)(unsafe.Pointer(r)), n), b[:n])
+	if r.Family != afHVSock {
+		return fmt.Errorf("got %d, want %d: %w", r.Family, afHVSock, socket.ErrAddrFamily)
+	}
+
+	return nil
+}
+
+// HvsockListener is a socket listener for the AF_HYPERV address family.
+type HvsockListener struct {
+	sock *win32File
+	addr HvsockAddr
+}
+
+var _ net.Listener = &HvsockListener{}
+
+// HvsockConn is a connected socket of the AF_HYPERV address family.
+type HvsockConn struct {
+	sock          *win32File
+	local, remote HvsockAddr
+}
+
+var _ net.Conn = &HvsockConn{}
+
+func newHVSocket() (*win32File, error) {
+	fd, err := syscall.Socket(afHVSock, syscall.SOCK_STREAM, 1)
+	if err != nil {
+		return nil, os.NewSyscallError("socket", err)
+	}
+	f, err := makeWin32File(fd)
+	if err != nil {
+		syscall.Close(fd)
+		return nil, err
+	}
+	f.socket = true
+	return f, nil
+}
+
+// ListenHvsock listens for connections on the specified hvsock address.
+func ListenHvsock(addr *HvsockAddr) (_ *HvsockListener, err error) {
+	l := &HvsockListener{addr: *addr}
+	sock, err := newHVSocket()
+	if err != nil {
+		return nil, l.opErr("listen", err)
+	}
+	sa := addr.raw()
+	err = socket.Bind(windows.Handle(sock.handle), &sa)
+	if err != nil {
+		return nil, l.opErr("listen", os.NewSyscallError("socket", err))
+	}
+	err = syscall.Listen(sock.handle, 16)
+	if err != nil {
+		return nil, l.opErr("listen", os.NewSyscallError("listen", err))
+	}
+	return &HvsockListener{sock: sock, addr: *addr}, nil
+}
+
+func (l *HvsockListener) opErr(op string, err error) error {
+	return &net.OpError{Op: op, Net: "hvsock", Addr: &l.addr, Err: err}
+}
+
+// Addr returns the listener's network address.
+func (l *HvsockListener) Addr() net.Addr {
+	return &l.addr
+}
+
+// Accept waits for the next connection and returns it.
+func (l *HvsockListener) Accept() (_ net.Conn, err error) {
+	sock, err := newHVSocket()
+	if err != nil {
+		return nil, l.opErr("accept", err)
+	}
+	defer func() {
+		if sock != nil {
+			sock.Close()
+		}
+	}()
+	c, err := l.sock.prepareIO()
+	if err != nil {
+		return nil, l.opErr("accept", err)
+	}
+	defer l.sock.wg.Done()
+
+	// AcceptEx, per documentation, requires an extra 16 bytes per address.
+	//
+	// https://docs.microsoft.com/en-us/windows/win32/api/mswsock/nf-mswsock-acceptex
+	const addrlen = uint32(16 + unsafe.Sizeof(rawHvsockAddr{}))
+	var addrbuf [addrlen * 2]byte
+
+	var bytes uint32
+	err = syscall.AcceptEx(l.sock.handle, sock.handle, &addrbuf[0], 0 /* rxdatalen */, addrlen, addrlen, &bytes, &c.o)
+	if _, err = l.sock.asyncIO(c, nil, bytes, err); err != nil {
+		return nil, l.opErr("accept", os.NewSyscallError("acceptex", err))
+	}
+
+	conn := &HvsockConn{
+		sock: sock,
+	}
+	// The local address returned in the AcceptEx buffer is the same as the Listener socket's
+	// address. However, the service GUID reported by GetSockName is different from the Listeners
+	// socket, and is sometimes the same as the local address of the socket that dialed the
+	// address, with the service GUID.Data1 incremented, but othertimes is different.
+	// todo: does the local address matter? is the listener's address or the actual address appropriate?
+	conn.local.fromRaw((*rawHvsockAddr)(unsafe.Pointer(&addrbuf[0])))
+	conn.remote.fromRaw((*rawHvsockAddr)(unsafe.Pointer(&addrbuf[addrlen])))
+
+	// initialize the accepted socket and update its properties with those of the listening socket
+	if err = windows.Setsockopt(windows.Handle(sock.handle),
+		windows.SOL_SOCKET, windows.SO_UPDATE_ACCEPT_CONTEXT,
+		(*byte)(unsafe.Pointer(&l.sock.handle)), int32(unsafe.Sizeof(l.sock.handle))); err != nil {
+		return nil, conn.opErr("accept", os.NewSyscallError("setsockopt", err))
+	}
+
+	sock = nil
+	return conn, nil
+}
+
+// Close closes the listener, causing any pending Accept calls to fail.
+func (l *HvsockListener) Close() error {
+	return l.sock.Close()
+}
+
+// HvsockDialer configures and dials a Hyper-V Socket (ie, [HvsockConn]).
+type HvsockDialer struct {
+	// Deadline is the time the Dial operation must connect before erroring.
+	Deadline time.Time
+
+	// Retries is the number of additional connects to try if the connection times out, is refused,
+	// or the host is unreachable
+	Retries uint
+
+	// RetryWait is the time to wait after a connection error to retry
+	RetryWait time.Duration
+
+	rt *time.Timer // redial wait timer
+}
+
+// Dial the Hyper-V socket at addr.
+//
+// See [HvsockDialer.Dial] for more information.
+func Dial(ctx context.Context, addr *HvsockAddr) (conn *HvsockConn, err error) {
+	return (&HvsockDialer{}).Dial(ctx, addr)
+}
+
+// Dial attempts to connect to the Hyper-V socket at addr, and returns a connection if successful.
+// Will attempt (HvsockDialer).Retries if dialing fails, waiting (HvsockDialer).RetryWait between
+// retries.
+//
+// Dialing can be cancelled either by providing (HvsockDialer).Deadline, or cancelling ctx.
+func (d *HvsockDialer) Dial(ctx context.Context, addr *HvsockAddr) (conn *HvsockConn, err error) {
+	op := "dial"
+	// create the conn early to use opErr()
+	conn = &HvsockConn{
+		remote: *addr,
+	}
+
+	if !d.Deadline.IsZero() {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithDeadline(ctx, d.Deadline)
+		defer cancel()
+	}
+
+	// preemptive timeout/cancellation check
+	if err = ctx.Err(); err != nil {
+		return nil, conn.opErr(op, err)
+	}
+
+	sock, err := newHVSocket()
+	if err != nil {
+		return nil, conn.opErr(op, err)
+	}
+	defer func() {
+		if sock != nil {
+			sock.Close()
+		}
+	}()
+
+	sa := addr.raw()
+	err = socket.Bind(windows.Handle(sock.handle), &sa)
+	if err != nil {
+		return nil, conn.opErr(op, os.NewSyscallError("bind", err))
+	}
+
+	c, err := sock.prepareIO()
+	if err != nil {
+		return nil, conn.opErr(op, err)
+	}
+	defer sock.wg.Done()
+	var bytes uint32
+	for i := uint(0); i <= d.Retries; i++ {
+		err = socket.ConnectEx(
+			windows.Handle(sock.handle),
+			&sa,
+			nil, // sendBuf
+			0,   // sendDataLen
+			&bytes,
+			(*windows.Overlapped)(unsafe.Pointer(&c.o)))
+		_, err = sock.asyncIO(c, nil, bytes, err)
+		if i < d.Retries && canRedial(err) {
+			if err = d.redialWait(ctx); err == nil {
+				continue
+			}
+		}
+		break
+	}
+	if err != nil {
+		return nil, conn.opErr(op, os.NewSyscallError("connectex", err))
+	}
+
+	// update the connection properties, so shutdown can be used
+	if err = windows.Setsockopt(
+		windows.Handle(sock.handle),
+		windows.SOL_SOCKET,
+		windows.SO_UPDATE_CONNECT_CONTEXT,
+		nil, // optvalue
+		0,   // optlen
+	); err != nil {
+		return nil, conn.opErr(op, os.NewSyscallError("setsockopt", err))
+	}
+
+	// get the local name
+	var sal rawHvsockAddr
+	err = socket.GetSockName(windows.Handle(sock.handle), &sal)
+	if err != nil {
+		return nil, conn.opErr(op, os.NewSyscallError("getsockname", err))
+	}
+	conn.local.fromRaw(&sal)
+
+	// one last check for timeout, since asyncIO doesn't check the context
+	if err = ctx.Err(); err != nil {
+		return nil, conn.opErr(op, err)
+	}
+
+	conn.sock = sock
+	sock = nil
+
+	return conn, nil
+}
+
+// redialWait waits before attempting to redial, resetting the timer as appropriate.
+func (d *HvsockDialer) redialWait(ctx context.Context) (err error) {
+	if d.RetryWait == 0 {
+		return nil
+	}
+
+	if d.rt == nil {
+		d.rt = time.NewTimer(d.RetryWait)
+	} else {
+		// should already be stopped and drained
+		d.rt.Reset(d.RetryWait)
+	}
+
+	select {
+	case <-ctx.Done():
+	case <-d.rt.C:
+		return nil
+	}
+
+	// stop and drain the timer
+	if !d.rt.Stop() {
+		<-d.rt.C
+	}
+	return ctx.Err()
+}
+
+// assumes error is a plain, unwrapped syscall.Errno provided by direct syscall.
+func canRedial(err error) bool {
+	//nolint:errorlint // guaranteed to be an Errno
+	switch err {
+	case windows.WSAECONNREFUSED, windows.WSAENETUNREACH, windows.WSAETIMEDOUT,
+		windows.ERROR_CONNECTION_REFUSED, windows.ERROR_CONNECTION_UNAVAIL:
+		return true
+	default:
+		return false
+	}
+}
+
+func (conn *HvsockConn) opErr(op string, err error) error {
+	// translate from "file closed" to "socket closed"
+	if errors.Is(err, ErrFileClosed) {
+		err = socket.ErrSocketClosed
+	}
+	return &net.OpError{Op: op, Net: "hvsock", Source: &conn.local, Addr: &conn.remote, Err: err}
+}
+
+func (conn *HvsockConn) Read(b []byte) (int, error) {
+	c, err := conn.sock.prepareIO()
+	if err != nil {
+		return 0, conn.opErr("read", err)
+	}
+	defer conn.sock.wg.Done()
+	buf := syscall.WSABuf{Buf: &b[0], Len: uint32(len(b))}
+	var flags, bytes uint32
+	err = syscall.WSARecv(conn.sock.handle, &buf, 1, &bytes, &flags, &c.o, nil)
+	n, err := conn.sock.asyncIO(c, &conn.sock.readDeadline, bytes, err)
+	if err != nil {
+		var eno windows.Errno
+		if errors.As(err, &eno) {
+			err = os.NewSyscallError("wsarecv", eno)
+		}
+		return 0, conn.opErr("read", err)
+	} else if n == 0 {
+		err = io.EOF
+	}
+	return n, err
+}
+
+func (conn *HvsockConn) Write(b []byte) (int, error) {
+	t := 0
+	for len(b) != 0 {
+		n, err := conn.write(b)
+		if err != nil {
+			return t + n, err
+		}
+		t += n
+		b = b[n:]
+	}
+	return t, nil
+}
+
+func (conn *HvsockConn) write(b []byte) (int, error) {
+	c, err := conn.sock.prepareIO()
+	if err != nil {
+		return 0, conn.opErr("write", err)
+	}
+	defer conn.sock.wg.Done()
+	buf := syscall.WSABuf{Buf: &b[0], Len: uint32(len(b))}
+	var bytes uint32
+	err = syscall.WSASend(conn.sock.handle, &buf, 1, &bytes, 0, &c.o, nil)
+	n, err := conn.sock.asyncIO(c, &conn.sock.writeDeadline, bytes, err)
+	if err != nil {
+		var eno windows.Errno
+		if errors.As(err, &eno) {
+			err = os.NewSyscallError("wsasend", eno)
+		}
+		return 0, conn.opErr("write", err)
+	}
+	return n, err
+}
+
+// Close closes the socket connection, failing any pending read or write calls.
+func (conn *HvsockConn) Close() error {
+	return conn.sock.Close()
+}
+
+func (conn *HvsockConn) IsClosed() bool {
+	return conn.sock.IsClosed()
+}
+
+// shutdown disables sending or receiving on a socket.
+func (conn *HvsockConn) shutdown(how int) error {
+	if conn.IsClosed() {
+		return socket.ErrSocketClosed
+	}
+
+	err := syscall.Shutdown(conn.sock.handle, how)
+	if err != nil {
+		// If the connection was closed, shutdowns fail with "not connected"
+		if errors.Is(err, windows.WSAENOTCONN) ||
+			errors.Is(err, windows.WSAESHUTDOWN) {
+			err = socket.ErrSocketClosed
+		}
+		return os.NewSyscallError("shutdown", err)
+	}
+	return nil
+}
+
+// CloseRead shuts down the read end of the socket, preventing future read operations.
+func (conn *HvsockConn) CloseRead() error {
+	err := conn.shutdown(syscall.SHUT_RD)
+	if err != nil {
+		return conn.opErr("closeread", err)
+	}
+	return nil
+}
+
+// CloseWrite shuts down the write end of the socket, preventing future write operations and
+// notifying the other endpoint that no more data will be written.
+func (conn *HvsockConn) CloseWrite() error {
+	err := conn.shutdown(syscall.SHUT_WR)
+	if err != nil {
+		return conn.opErr("closewrite", err)
+	}
+	return nil
+}
+
+// LocalAddr returns the local address of the connection.
+func (conn *HvsockConn) LocalAddr() net.Addr {
+	return &conn.local
+}
+
+// RemoteAddr returns the remote address of the connection.
+func (conn *HvsockConn) RemoteAddr() net.Addr {
+	return &conn.remote
+}
+
+// SetDeadline implements the net.Conn SetDeadline method.
+func (conn *HvsockConn) SetDeadline(t time.Time) error {
+	// todo: implement `SetDeadline` for `win32File`
+	if err := conn.SetReadDeadline(t); err != nil {
+		return fmt.Errorf("set read deadline: %w", err)
+	}
+	if err := conn.SetWriteDeadline(t); err != nil {
+		return fmt.Errorf("set write deadline: %w", err)
+	}
+	return nil
+}
+
+// SetReadDeadline implements the net.Conn SetReadDeadline method.
+func (conn *HvsockConn) SetReadDeadline(t time.Time) error {
+	return conn.sock.SetReadDeadline(t)
+}
+
+// SetWriteDeadline implements the net.Conn SetWriteDeadline method.
+func (conn *HvsockConn) SetWriteDeadline(t time.Time) error {
+	return conn.sock.SetWriteDeadline(t)
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go
new file mode 100644
index 0000000..1f65388
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/doc.go
@@ -0,0 +1,2 @@
+// This package contains Win32 filesystem functionality.
+package fs
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go
new file mode 100644
index 0000000..509b3ec
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/fs.go
@@ -0,0 +1,202 @@
+//go:build windows
+
+package fs
+
+import (
+	"golang.org/x/sys/windows"
+
+	"github.com/Microsoft/go-winio/internal/stringbuffer"
+)
+
+//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go fs.go
+
+// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew
+//sys CreateFile(name string, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) [failretval==windows.InvalidHandle] = CreateFileW
+
+const NullHandle windows.Handle = 0
+
+// AccessMask defines standard, specific, and generic rights.
+//
+//	Bitmask:
+//	 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+//	 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+//	+---------------+---------------+-------------------------------+
+//	|G|G|G|G|Resvd|A| StandardRights|         SpecificRights        |
+//	|R|W|E|A|     |S|               |                               |
+//	+-+-------------+---------------+-------------------------------+
+//
+//	GR     Generic Read
+//	GW     Generic Write
+//	GE     Generic Exectue
+//	GA     Generic All
+//	Resvd  Reserved
+//	AS     Access Security System
+//
+// https://learn.microsoft.com/en-us/windows/win32/secauthz/access-mask
+//
+// https://learn.microsoft.com/en-us/windows/win32/secauthz/generic-access-rights
+//
+// https://learn.microsoft.com/en-us/windows/win32/fileio/file-access-rights-constants
+type AccessMask = windows.ACCESS_MASK
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const (
+	// Not actually any.
+	//
+	// For CreateFile: "query certain metadata such as file, directory, or device attributes without accessing that file or device"
+	// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew#parameters
+	FILE_ANY_ACCESS AccessMask = 0
+
+	// Specific Object Access
+	// from ntioapi.h
+
+	FILE_READ_DATA      AccessMask = (0x0001) // file & pipe
+	FILE_LIST_DIRECTORY AccessMask = (0x0001) // directory
+
+	FILE_WRITE_DATA AccessMask = (0x0002) // file & pipe
+	FILE_ADD_FILE   AccessMask = (0x0002) // directory
+
+	FILE_APPEND_DATA          AccessMask = (0x0004) // file
+	FILE_ADD_SUBDIRECTORY     AccessMask = (0x0004) // directory
+	FILE_CREATE_PIPE_INSTANCE AccessMask = (0x0004) // named pipe
+
+	FILE_READ_EA         AccessMask = (0x0008) // file & directory
+	FILE_READ_PROPERTIES AccessMask = FILE_READ_EA
+
+	FILE_WRITE_EA         AccessMask = (0x0010) // file & directory
+	FILE_WRITE_PROPERTIES AccessMask = FILE_WRITE_EA
+
+	FILE_EXECUTE  AccessMask = (0x0020) // file
+	FILE_TRAVERSE AccessMask = (0x0020) // directory
+
+	FILE_DELETE_CHILD AccessMask = (0x0040) // directory
+
+	FILE_READ_ATTRIBUTES AccessMask = (0x0080) // all
+
+	FILE_WRITE_ATTRIBUTES AccessMask = (0x0100) // all
+
+	FILE_ALL_ACCESS      AccessMask = (STANDARD_RIGHTS_REQUIRED | SYNCHRONIZE | 0x1FF)
+	FILE_GENERIC_READ    AccessMask = (STANDARD_RIGHTS_READ | FILE_READ_DATA | FILE_READ_ATTRIBUTES | FILE_READ_EA | SYNCHRONIZE)
+	FILE_GENERIC_WRITE   AccessMask = (STANDARD_RIGHTS_WRITE | FILE_WRITE_DATA | FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | FILE_APPEND_DATA | SYNCHRONIZE)
+	FILE_GENERIC_EXECUTE AccessMask = (STANDARD_RIGHTS_EXECUTE | FILE_READ_ATTRIBUTES | FILE_EXECUTE | SYNCHRONIZE)
+
+	SPECIFIC_RIGHTS_ALL AccessMask = 0x0000FFFF
+
+	// Standard Access
+	// from ntseapi.h
+
+	DELETE       AccessMask = 0x0001_0000
+	READ_CONTROL AccessMask = 0x0002_0000
+	WRITE_DAC    AccessMask = 0x0004_0000
+	WRITE_OWNER  AccessMask = 0x0008_0000
+	SYNCHRONIZE  AccessMask = 0x0010_0000
+
+	STANDARD_RIGHTS_REQUIRED AccessMask = 0x000F_0000
+
+	STANDARD_RIGHTS_READ    AccessMask = READ_CONTROL
+	STANDARD_RIGHTS_WRITE   AccessMask = READ_CONTROL
+	STANDARD_RIGHTS_EXECUTE AccessMask = READ_CONTROL
+
+	STANDARD_RIGHTS_ALL AccessMask = 0x001F_0000
+)
+
+type FileShareMode uint32
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const (
+	FILE_SHARE_NONE        FileShareMode = 0x00
+	FILE_SHARE_READ        FileShareMode = 0x01
+	FILE_SHARE_WRITE       FileShareMode = 0x02
+	FILE_SHARE_DELETE      FileShareMode = 0x04
+	FILE_SHARE_VALID_FLAGS FileShareMode = 0x07
+)
+
+type FileCreationDisposition uint32
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const (
+	// from winbase.h
+
+	CREATE_NEW        FileCreationDisposition = 0x01
+	CREATE_ALWAYS     FileCreationDisposition = 0x02
+	OPEN_EXISTING     FileCreationDisposition = 0x03
+	OPEN_ALWAYS       FileCreationDisposition = 0x04
+	TRUNCATE_EXISTING FileCreationDisposition = 0x05
+)
+
+// CreateFile and co. take flags or attributes together as one parameter.
+// Define alias until we can use generics to allow both
+
+// https://learn.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants
+type FileFlagOrAttribute uint32
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const ( // from winnt.h
+	FILE_FLAG_WRITE_THROUGH       FileFlagOrAttribute = 0x8000_0000
+	FILE_FLAG_OVERLAPPED          FileFlagOrAttribute = 0x4000_0000
+	FILE_FLAG_NO_BUFFERING        FileFlagOrAttribute = 0x2000_0000
+	FILE_FLAG_RANDOM_ACCESS       FileFlagOrAttribute = 0x1000_0000
+	FILE_FLAG_SEQUENTIAL_SCAN     FileFlagOrAttribute = 0x0800_0000
+	FILE_FLAG_DELETE_ON_CLOSE     FileFlagOrAttribute = 0x0400_0000
+	FILE_FLAG_BACKUP_SEMANTICS    FileFlagOrAttribute = 0x0200_0000
+	FILE_FLAG_POSIX_SEMANTICS     FileFlagOrAttribute = 0x0100_0000
+	FILE_FLAG_OPEN_REPARSE_POINT  FileFlagOrAttribute = 0x0020_0000
+	FILE_FLAG_OPEN_NO_RECALL      FileFlagOrAttribute = 0x0010_0000
+	FILE_FLAG_FIRST_PIPE_INSTANCE FileFlagOrAttribute = 0x0008_0000
+)
+
+type FileSQSFlag = FileFlagOrAttribute
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const ( // from winbase.h
+	SECURITY_ANONYMOUS      FileSQSFlag = FileSQSFlag(SecurityAnonymous << 16)
+	SECURITY_IDENTIFICATION FileSQSFlag = FileSQSFlag(SecurityIdentification << 16)
+	SECURITY_IMPERSONATION  FileSQSFlag = FileSQSFlag(SecurityImpersonation << 16)
+	SECURITY_DELEGATION     FileSQSFlag = FileSQSFlag(SecurityDelegation << 16)
+
+	SECURITY_SQOS_PRESENT     FileSQSFlag = 0x00100000
+	SECURITY_VALID_SQOS_FLAGS FileSQSFlag = 0x001F0000
+)
+
+// GetFinalPathNameByHandle flags
+//
+// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew#parameters
+type GetFinalPathFlag uint32
+
+//nolint:revive // SNAKE_CASE is not idiomatic in Go, but aligned with Win32 API.
+const (
+	GetFinalPathDefaultFlag GetFinalPathFlag = 0x0
+
+	FILE_NAME_NORMALIZED GetFinalPathFlag = 0x0
+	FILE_NAME_OPENED     GetFinalPathFlag = 0x8
+
+	VOLUME_NAME_DOS  GetFinalPathFlag = 0x0
+	VOLUME_NAME_GUID GetFinalPathFlag = 0x1
+	VOLUME_NAME_NT   GetFinalPathFlag = 0x2
+	VOLUME_NAME_NONE GetFinalPathFlag = 0x4
+)
+
+// getFinalPathNameByHandle facilitates calling the Windows API GetFinalPathNameByHandle
+// with the given handle and flags. It transparently takes care of creating a buffer of the
+// correct size for the call.
+//
+// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-getfinalpathnamebyhandlew
+func GetFinalPathNameByHandle(h windows.Handle, flags GetFinalPathFlag) (string, error) {
+	b := stringbuffer.NewWString()
+	//TODO: can loop infinitely if Win32 keeps returning the same (or a larger) n?
+	for {
+		n, err := windows.GetFinalPathNameByHandle(h, b.Pointer(), b.Cap(), uint32(flags))
+		if err != nil {
+			return "", err
+		}
+		// If the buffer wasn't large enough, n will be the total size needed (including null terminator).
+		// Resize and try again.
+		if n > b.Cap() {
+			b.ResizeTo(n)
+			continue
+		}
+		// If the buffer is large enough, n will be the size not including the null terminator.
+		// Convert to a Go string and return.
+		return b.String(), nil
+	}
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/security.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/security.go
new file mode 100644
index 0000000..81760ac
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/security.go
@@ -0,0 +1,12 @@
+package fs
+
+// https://learn.microsoft.com/en-us/windows/win32/api/winnt/ne-winnt-security_impersonation_level
+type SecurityImpersonationLevel int32 // C default enums underlying type is `int`, which is Go `int32`
+
+// Impersonation levels
+const (
+	SecurityAnonymous      SecurityImpersonationLevel = 0
+	SecurityIdentification SecurityImpersonationLevel = 1
+	SecurityImpersonation  SecurityImpersonationLevel = 2
+	SecurityDelegation     SecurityImpersonationLevel = 3
+)
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go
new file mode 100644
index 0000000..e2f7bb2
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/fs/zsyscall_windows.go
@@ -0,0 +1,64 @@
+//go:build windows
+
+// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
+
+package fs
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+
+	procCreateFileW = modkernel32.NewProc("CreateFileW")
+)
+
+func CreateFile(name string, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _CreateFile(_p0, access, mode, sa, createmode, attrs, templatefile)
+}
+
+func _CreateFile(name *uint16, access AccessMask, mode FileShareMode, sa *syscall.SecurityAttributes, createmode FileCreationDisposition, attrs FileFlagOrAttribute, templatefile windows.Handle) (handle windows.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateFileW.Addr(), 7, uintptr(unsafe.Pointer(name)), uintptr(access), uintptr(mode), uintptr(unsafe.Pointer(sa)), uintptr(createmode), uintptr(attrs), uintptr(templatefile), 0, 0)
+	handle = windows.Handle(r0)
+	if handle == windows.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go
new file mode 100644
index 0000000..7e82f9a
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/rawaddr.go
@@ -0,0 +1,20 @@
+package socket
+
+import (
+	"unsafe"
+)
+
+// RawSockaddr allows structs to be used with [Bind] and [ConnectEx]. The
+// struct must meet the Win32 sockaddr requirements specified here:
+// https://docs.microsoft.com/en-us/windows/win32/winsock/sockaddr-2
+//
+// Specifically, the struct size must be least larger than an int16 (unsigned short)
+// for the address family.
+type RawSockaddr interface {
+	// Sockaddr returns a pointer to the RawSockaddr and its struct size, allowing
+	// for the RawSockaddr's data to be overwritten by syscalls (if necessary).
+	//
+	// It is the callers responsibility to validate that the values are valid; invalid
+	// pointers or size can cause a panic.
+	Sockaddr() (unsafe.Pointer, int32, error)
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go
new file mode 100644
index 0000000..aeb7b72
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/socket.go
@@ -0,0 +1,179 @@
+//go:build windows
+
+package socket
+
+import (
+	"errors"
+	"fmt"
+	"net"
+	"sync"
+	"syscall"
+	"unsafe"
+
+	"github.com/Microsoft/go-winio/pkg/guid"
+	"golang.org/x/sys/windows"
+)
+
+//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go socket.go
+
+//sys getsockname(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) [failretval==socketError] = ws2_32.getsockname
+//sys getpeername(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) [failretval==socketError] = ws2_32.getpeername
+//sys bind(s windows.Handle, name unsafe.Pointer, namelen int32) (err error) [failretval==socketError] = ws2_32.bind
+
+const socketError = uintptr(^uint32(0))
+
+var (
+	// todo(helsaawy): create custom error types to store the desired vs actual size and addr family?
+
+	ErrBufferSize     = errors.New("buffer size")
+	ErrAddrFamily     = errors.New("address family")
+	ErrInvalidPointer = errors.New("invalid pointer")
+	ErrSocketClosed   = fmt.Errorf("socket closed: %w", net.ErrClosed)
+)
+
+// todo(helsaawy): replace these with generics, ie: GetSockName[S RawSockaddr](s windows.Handle) (S, error)
+
+// GetSockName writes the local address of socket s to the [RawSockaddr] rsa.
+// If rsa is not large enough, the [windows.WSAEFAULT] is returned.
+func GetSockName(s windows.Handle, rsa RawSockaddr) error {
+	ptr, l, err := rsa.Sockaddr()
+	if err != nil {
+		return fmt.Errorf("could not retrieve socket pointer and size: %w", err)
+	}
+
+	// although getsockname returns WSAEFAULT if the buffer is too small, it does not set
+	// &l to the correct size, so--apart from doubling the buffer repeatedly--there is no remedy
+	return getsockname(s, ptr, &l)
+}
+
+// GetPeerName returns the remote address the socket is connected to.
+//
+// See [GetSockName] for more information.
+func GetPeerName(s windows.Handle, rsa RawSockaddr) error {
+	ptr, l, err := rsa.Sockaddr()
+	if err != nil {
+		return fmt.Errorf("could not retrieve socket pointer and size: %w", err)
+	}
+
+	return getpeername(s, ptr, &l)
+}
+
+func Bind(s windows.Handle, rsa RawSockaddr) (err error) {
+	ptr, l, err := rsa.Sockaddr()
+	if err != nil {
+		return fmt.Errorf("could not retrieve socket pointer and size: %w", err)
+	}
+
+	return bind(s, ptr, l)
+}
+
+// "golang.org/x/sys/windows".ConnectEx and .Bind only accept internal implementations of the
+// their sockaddr interface, so they cannot be used with HvsockAddr
+// Replicate functionality here from
+// https://cs.opensource.google/go/x/sys/+/master:windows/syscall_windows.go
+
+// The function pointers to `AcceptEx`, `ConnectEx` and `GetAcceptExSockaddrs` must be loaded at
+// runtime via a WSAIoctl call:
+// https://docs.microsoft.com/en-us/windows/win32/api/Mswsock/nc-mswsock-lpfn_connectex#remarks
+
+type runtimeFunc struct {
+	id   guid.GUID
+	once sync.Once
+	addr uintptr
+	err  error
+}
+
+func (f *runtimeFunc) Load() error {
+	f.once.Do(func() {
+		var s windows.Handle
+		s, f.err = windows.Socket(windows.AF_INET, windows.SOCK_STREAM, windows.IPPROTO_TCP)
+		if f.err != nil {
+			return
+		}
+		defer windows.CloseHandle(s) //nolint:errcheck
+
+		var n uint32
+		f.err = windows.WSAIoctl(s,
+			windows.SIO_GET_EXTENSION_FUNCTION_POINTER,
+			(*byte)(unsafe.Pointer(&f.id)),
+			uint32(unsafe.Sizeof(f.id)),
+			(*byte)(unsafe.Pointer(&f.addr)),
+			uint32(unsafe.Sizeof(f.addr)),
+			&n,
+			nil, // overlapped
+			0,   // completionRoutine
+		)
+	})
+	return f.err
+}
+
+var (
+	// todo: add `AcceptEx` and `GetAcceptExSockaddrs`
+	WSAID_CONNECTEX = guid.GUID{ //revive:disable-line:var-naming ALL_CAPS
+		Data1: 0x25a207b9,
+		Data2: 0xddf3,
+		Data3: 0x4660,
+		Data4: [8]byte{0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e},
+	}
+
+	connectExFunc = runtimeFunc{id: WSAID_CONNECTEX}
+)
+
+func ConnectEx(
+	fd windows.Handle,
+	rsa RawSockaddr,
+	sendBuf *byte,
+	sendDataLen uint32,
+	bytesSent *uint32,
+	overlapped *windows.Overlapped,
+) error {
+	if err := connectExFunc.Load(); err != nil {
+		return fmt.Errorf("failed to load ConnectEx function pointer: %w", err)
+	}
+	ptr, n, err := rsa.Sockaddr()
+	if err != nil {
+		return err
+	}
+	return connectEx(fd, ptr, n, sendBuf, sendDataLen, bytesSent, overlapped)
+}
+
+// BOOL LpfnConnectex(
+//   [in]           SOCKET s,
+//   [in]           const sockaddr *name,
+//   [in]           int namelen,
+//   [in, optional] PVOID lpSendBuffer,
+//   [in]           DWORD dwSendDataLength,
+//   [out]          LPDWORD lpdwBytesSent,
+//   [in]           LPOVERLAPPED lpOverlapped
+// )
+
+func connectEx(
+	s windows.Handle,
+	name unsafe.Pointer,
+	namelen int32,
+	sendBuf *byte,
+	sendDataLen uint32,
+	bytesSent *uint32,
+	overlapped *windows.Overlapped,
+) (err error) {
+	// todo: after upgrading to 1.18, switch from syscall.Syscall9 to syscall.SyscallN
+	r1, _, e1 := syscall.Syscall9(connectExFunc.addr,
+		7,
+		uintptr(s),
+		uintptr(name),
+		uintptr(namelen),
+		uintptr(unsafe.Pointer(sendBuf)),
+		uintptr(sendDataLen),
+		uintptr(unsafe.Pointer(bytesSent)),
+		uintptr(unsafe.Pointer(overlapped)),
+		0,
+		0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = error(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return err
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go
new file mode 100644
index 0000000..6d2e1a9
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/socket/zsyscall_windows.go
@@ -0,0 +1,72 @@
+//go:build windows
+
+// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
+
+package socket
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modws2_32 = windows.NewLazySystemDLL("ws2_32.dll")
+
+	procbind        = modws2_32.NewProc("bind")
+	procgetpeername = modws2_32.NewProc("getpeername")
+	procgetsockname = modws2_32.NewProc("getsockname")
+)
+
+func bind(s windows.Handle, name unsafe.Pointer, namelen int32) (err error) {
+	r1, _, e1 := syscall.Syscall(procbind.Addr(), 3, uintptr(s), uintptr(name), uintptr(namelen))
+	if r1 == socketError {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getpeername(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) {
+	r1, _, e1 := syscall.Syscall(procgetpeername.Addr(), 3, uintptr(s), uintptr(name), uintptr(unsafe.Pointer(namelen)))
+	if r1 == socketError {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getsockname(s windows.Handle, name unsafe.Pointer, namelen *int32) (err error) {
+	r1, _, e1 := syscall.Syscall(procgetsockname.Addr(), 3, uintptr(s), uintptr(name), uintptr(unsafe.Pointer(namelen)))
+	if r1 == socketError {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go
new file mode 100644
index 0000000..7ad5057
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/internal/stringbuffer/wstring.go
@@ -0,0 +1,132 @@
+package stringbuffer
+
+import (
+	"sync"
+	"unicode/utf16"
+)
+
+// TODO: worth exporting and using in mkwinsyscall?
+
+// Uint16BufferSize is the buffer size in the pool, chosen somewhat arbitrarily to accommodate
+// large path strings:
+// MAX_PATH (260) + size of volume GUID prefix (49) + null terminator = 310.
+const MinWStringCap = 310
+
+// use *[]uint16 since []uint16 creates an extra allocation where the slice header
+// is copied to heap and then referenced via pointer in the interface header that sync.Pool
+// stores.
+var pathPool = sync.Pool{ // if go1.18+ adds Pool[T], use that to store []uint16 directly
+	New: func() interface{} {
+		b := make([]uint16, MinWStringCap)
+		return &b
+	},
+}
+
+func newBuffer() []uint16 { return *(pathPool.Get().(*[]uint16)) }
+
+// freeBuffer copies the slice header data, and puts a pointer to that in the pool.
+// This avoids taking a pointer to the slice header in WString, which can be set to nil.
+func freeBuffer(b []uint16) { pathPool.Put(&b) }
+
+// WString is a wide string buffer ([]uint16) meant for storing UTF-16 encoded strings
+// for interacting with Win32 APIs.
+// Sizes are specified as uint32 and not int.
+//
+// It is not thread safe.
+type WString struct {
+	// type-def allows casting to []uint16 directly, use struct to prevent that and allow adding fields in the future.
+
+	// raw buffer
+	b []uint16
+}
+
+// NewWString returns a [WString] allocated from a shared pool with an
+// initial capacity of at least [MinWStringCap].
+// Since the buffer may have been previously used, its contents are not guaranteed to be empty.
+//
+// The buffer should be freed via [WString.Free]
+func NewWString() *WString {
+	return &WString{
+		b: newBuffer(),
+	}
+}
+
+func (b *WString) Free() {
+	if b.empty() {
+		return
+	}
+	freeBuffer(b.b)
+	b.b = nil
+}
+
+// ResizeTo grows the buffer to at least c and returns the new capacity, freeing the
+// previous buffer back into pool.
+func (b *WString) ResizeTo(c uint32) uint32 {
+	// allready sufficient (or n is 0)
+	if c <= b.Cap() {
+		return b.Cap()
+	}
+
+	if c <= MinWStringCap {
+		c = MinWStringCap
+	}
+	// allocate at-least double buffer size, as is done in [bytes.Buffer] and other places
+	if c <= 2*b.Cap() {
+		c = 2 * b.Cap()
+	}
+
+	b2 := make([]uint16, c)
+	if !b.empty() {
+		copy(b2, b.b)
+		freeBuffer(b.b)
+	}
+	b.b = b2
+	return c
+}
+
+// Buffer returns the underlying []uint16 buffer.
+func (b *WString) Buffer() []uint16 {
+	if b.empty() {
+		return nil
+	}
+	return b.b
+}
+
+// Pointer returns a pointer to the first uint16 in the buffer.
+// If the [WString.Free] has already been called, the pointer will be nil.
+func (b *WString) Pointer() *uint16 {
+	if b.empty() {
+		return nil
+	}
+	return &b.b[0]
+}
+
+// String returns the returns the UTF-8 encoding of the UTF-16 string in the buffer.
+//
+// It assumes that the data is null-terminated.
+func (b *WString) String() string {
+	// Using [windows.UTF16ToString] would require importing "golang.org/x/sys/windows"
+	// and would make this code Windows-only, which makes no sense.
+	// So copy UTF16ToString code into here.
+	// If other windows-specific code is added, switch to [windows.UTF16ToString]
+
+	s := b.b
+	for i, v := range s {
+		if v == 0 {
+			s = s[:i]
+			break
+		}
+	}
+	return string(utf16.Decode(s))
+}
+
+// Cap returns the underlying buffer capacity.
+func (b *WString) Cap() uint32 {
+	if b.empty() {
+		return 0
+	}
+	return b.cap()
+}
+
+func (b *WString) cap() uint32 { return uint32(cap(b.b)) }
+func (b *WString) empty() bool { return b == nil || b.cap() == 0 }
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/pipe.go b/debian/extra/vendor/github.com/Microsoft/go-winio/pipe.go
new file mode 100644
index 0000000..25cc811
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/pipe.go
@@ -0,0 +1,525 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"net"
+	"os"
+	"runtime"
+	"syscall"
+	"time"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+
+	"github.com/Microsoft/go-winio/internal/fs"
+)
+
+//sys connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) = ConnectNamedPipe
+//sys createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error)  [failretval==syscall.InvalidHandle] = CreateNamedPipeW
+//sys getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) = GetNamedPipeInfo
+//sys getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) = GetNamedPipeHandleStateW
+//sys localAlloc(uFlags uint32, length uint32) (ptr uintptr) = LocalAlloc
+//sys ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntStatus) = ntdll.NtCreateNamedPipeFile
+//sys rtlNtStatusToDosError(status ntStatus) (winerr error) = ntdll.RtlNtStatusToDosErrorNoTeb
+//sys rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntStatus) = ntdll.RtlDosPathNameToNtPathName_U
+//sys rtlDefaultNpAcl(dacl *uintptr) (status ntStatus) = ntdll.RtlDefaultNpAcl
+
+type ioStatusBlock struct {
+	Status, Information uintptr
+}
+
+type objectAttributes struct {
+	Length             uintptr
+	RootDirectory      uintptr
+	ObjectName         *unicodeString
+	Attributes         uintptr
+	SecurityDescriptor *securityDescriptor
+	SecurityQoS        uintptr
+}
+
+type unicodeString struct {
+	Length        uint16
+	MaximumLength uint16
+	Buffer        uintptr
+}
+
+type securityDescriptor struct {
+	Revision byte
+	Sbz1     byte
+	Control  uint16
+	Owner    uintptr
+	Group    uintptr
+	Sacl     uintptr //revive:disable-line:var-naming SACL, not Sacl
+	Dacl     uintptr //revive:disable-line:var-naming DACL, not Dacl
+}
+
+type ntStatus int32
+
+func (status ntStatus) Err() error {
+	if status >= 0 {
+		return nil
+	}
+	return rtlNtStatusToDosError(status)
+}
+
+var (
+	// ErrPipeListenerClosed is returned for pipe operations on listeners that have been closed.
+	ErrPipeListenerClosed = net.ErrClosed
+
+	errPipeWriteClosed = errors.New("pipe has been closed for write")
+)
+
+type win32Pipe struct {
+	*win32File
+	path string
+}
+
+type win32MessageBytePipe struct {
+	win32Pipe
+	writeClosed bool
+	readEOF     bool
+}
+
+type pipeAddress string
+
+func (f *win32Pipe) LocalAddr() net.Addr {
+	return pipeAddress(f.path)
+}
+
+func (f *win32Pipe) RemoteAddr() net.Addr {
+	return pipeAddress(f.path)
+}
+
+func (f *win32Pipe) SetDeadline(t time.Time) error {
+	if err := f.SetReadDeadline(t); err != nil {
+		return err
+	}
+	return f.SetWriteDeadline(t)
+}
+
+// CloseWrite closes the write side of a message pipe in byte mode.
+func (f *win32MessageBytePipe) CloseWrite() error {
+	if f.writeClosed {
+		return errPipeWriteClosed
+	}
+	err := f.win32File.Flush()
+	if err != nil {
+		return err
+	}
+	_, err = f.win32File.Write(nil)
+	if err != nil {
+		return err
+	}
+	f.writeClosed = true
+	return nil
+}
+
+// Write writes bytes to a message pipe in byte mode. Zero-byte writes are ignored, since
+// they are used to implement CloseWrite().
+func (f *win32MessageBytePipe) Write(b []byte) (int, error) {
+	if f.writeClosed {
+		return 0, errPipeWriteClosed
+	}
+	if len(b) == 0 {
+		return 0, nil
+	}
+	return f.win32File.Write(b)
+}
+
+// Read reads bytes from a message pipe in byte mode. A read of a zero-byte message on a message
+// mode pipe will return io.EOF, as will all subsequent reads.
+func (f *win32MessageBytePipe) Read(b []byte) (int, error) {
+	if f.readEOF {
+		return 0, io.EOF
+	}
+	n, err := f.win32File.Read(b)
+	if err == io.EOF { //nolint:errorlint
+		// If this was the result of a zero-byte read, then
+		// it is possible that the read was due to a zero-size
+		// message. Since we are simulating CloseWrite with a
+		// zero-byte message, ensure that all future Read() calls
+		// also return EOF.
+		f.readEOF = true
+	} else if err == syscall.ERROR_MORE_DATA { //nolint:errorlint // err is Errno
+		// ERROR_MORE_DATA indicates that the pipe's read mode is message mode
+		// and the message still has more bytes. Treat this as a success, since
+		// this package presents all named pipes as byte streams.
+		err = nil
+	}
+	return n, err
+}
+
+func (pipeAddress) Network() string {
+	return "pipe"
+}
+
+func (s pipeAddress) String() string {
+	return string(s)
+}
+
+// tryDialPipe attempts to dial the pipe at `path` until `ctx` cancellation or timeout.
+func tryDialPipe(ctx context.Context, path *string, access fs.AccessMask) (syscall.Handle, error) {
+	for {
+		select {
+		case <-ctx.Done():
+			return syscall.Handle(0), ctx.Err()
+		default:
+			wh, err := fs.CreateFile(*path,
+				access,
+				0,   // mode
+				nil, // security attributes
+				fs.OPEN_EXISTING,
+				fs.FILE_FLAG_OVERLAPPED|fs.SECURITY_SQOS_PRESENT|fs.SECURITY_ANONYMOUS,
+				0, // template file handle
+			)
+			h := syscall.Handle(wh)
+			if err == nil {
+				return h, nil
+			}
+			if err != windows.ERROR_PIPE_BUSY { //nolint:errorlint // err is Errno
+				return h, &os.PathError{Err: err, Op: "open", Path: *path}
+			}
+			// Wait 10 msec and try again. This is a rather simplistic
+			// view, as we always try each 10 milliseconds.
+			time.Sleep(10 * time.Millisecond)
+		}
+	}
+}
+
+// DialPipe connects to a named pipe by path, timing out if the connection
+// takes longer than the specified duration. If timeout is nil, then we use
+// a default timeout of 2 seconds.  (We do not use WaitNamedPipe.)
+func DialPipe(path string, timeout *time.Duration) (net.Conn, error) {
+	var absTimeout time.Time
+	if timeout != nil {
+		absTimeout = time.Now().Add(*timeout)
+	} else {
+		absTimeout = time.Now().Add(2 * time.Second)
+	}
+	ctx, cancel := context.WithDeadline(context.Background(), absTimeout)
+	defer cancel()
+	conn, err := DialPipeContext(ctx, path)
+	if errors.Is(err, context.DeadlineExceeded) {
+		return nil, ErrTimeout
+	}
+	return conn, err
+}
+
+// DialPipeContext attempts to connect to a named pipe by `path` until `ctx`
+// cancellation or timeout.
+func DialPipeContext(ctx context.Context, path string) (net.Conn, error) {
+	return DialPipeAccess(ctx, path, syscall.GENERIC_READ|syscall.GENERIC_WRITE)
+}
+
+// DialPipeAccess attempts to connect to a named pipe by `path` with `access` until `ctx`
+// cancellation or timeout.
+func DialPipeAccess(ctx context.Context, path string, access uint32) (net.Conn, error) {
+	var err error
+	var h syscall.Handle
+	h, err = tryDialPipe(ctx, &path, fs.AccessMask(access))
+	if err != nil {
+		return nil, err
+	}
+
+	var flags uint32
+	err = getNamedPipeInfo(h, &flags, nil, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	f, err := makeWin32File(h)
+	if err != nil {
+		syscall.Close(h)
+		return nil, err
+	}
+
+	// If the pipe is in message mode, return a message byte pipe, which
+	// supports CloseWrite().
+	if flags&windows.PIPE_TYPE_MESSAGE != 0 {
+		return &win32MessageBytePipe{
+			win32Pipe: win32Pipe{win32File: f, path: path},
+		}, nil
+	}
+	return &win32Pipe{win32File: f, path: path}, nil
+}
+
+type acceptResponse struct {
+	f   *win32File
+	err error
+}
+
+type win32PipeListener struct {
+	firstHandle syscall.Handle
+	path        string
+	config      PipeConfig
+	acceptCh    chan (chan acceptResponse)
+	closeCh     chan int
+	doneCh      chan int
+}
+
+func makeServerPipeHandle(path string, sd []byte, c *PipeConfig, first bool) (syscall.Handle, error) {
+	path16, err := syscall.UTF16FromString(path)
+	if err != nil {
+		return 0, &os.PathError{Op: "open", Path: path, Err: err}
+	}
+
+	var oa objectAttributes
+	oa.Length = unsafe.Sizeof(oa)
+
+	var ntPath unicodeString
+	if err := rtlDosPathNameToNtPathName(&path16[0],
+		&ntPath,
+		0,
+		0,
+	).Err(); err != nil {
+		return 0, &os.PathError{Op: "open", Path: path, Err: err}
+	}
+	defer localFree(ntPath.Buffer)
+	oa.ObjectName = &ntPath
+	oa.Attributes = windows.OBJ_CASE_INSENSITIVE
+
+	// The security descriptor is only needed for the first pipe.
+	if first {
+		if sd != nil {
+			l := uint32(len(sd))
+			sdb := localAlloc(0, l)
+			defer localFree(sdb)
+			copy((*[0xffff]byte)(unsafe.Pointer(sdb))[:], sd)
+			oa.SecurityDescriptor = (*securityDescriptor)(unsafe.Pointer(sdb))
+		} else {
+			// Construct the default named pipe security descriptor.
+			var dacl uintptr
+			if err := rtlDefaultNpAcl(&dacl).Err(); err != nil {
+				return 0, fmt.Errorf("getting default named pipe ACL: %w", err)
+			}
+			defer localFree(dacl)
+
+			sdb := &securityDescriptor{
+				Revision: 1,
+				Control:  windows.SE_DACL_PRESENT,
+				Dacl:     dacl,
+			}
+			oa.SecurityDescriptor = sdb
+		}
+	}
+
+	typ := uint32(windows.FILE_PIPE_REJECT_REMOTE_CLIENTS)
+	if c.MessageMode {
+		typ |= windows.FILE_PIPE_MESSAGE_TYPE
+	}
+
+	disposition := uint32(windows.FILE_OPEN)
+	access := uint32(syscall.GENERIC_READ | syscall.GENERIC_WRITE | syscall.SYNCHRONIZE)
+	if first {
+		disposition = windows.FILE_CREATE
+		// By not asking for read or write access, the named pipe file system
+		// will put this pipe into an initially disconnected state, blocking
+		// client connections until the next call with first == false.
+		access = syscall.SYNCHRONIZE
+	}
+
+	timeout := int64(-50 * 10000) // 50ms
+
+	var (
+		h    syscall.Handle
+		iosb ioStatusBlock
+	)
+	err = ntCreateNamedPipeFile(&h,
+		access,
+		&oa,
+		&iosb,
+		syscall.FILE_SHARE_READ|syscall.FILE_SHARE_WRITE,
+		disposition,
+		0,
+		typ,
+		0,
+		0,
+		0xffffffff,
+		uint32(c.InputBufferSize),
+		uint32(c.OutputBufferSize),
+		&timeout).Err()
+	if err != nil {
+		return 0, &os.PathError{Op: "open", Path: path, Err: err}
+	}
+
+	runtime.KeepAlive(ntPath)
+	return h, nil
+}
+
+func (l *win32PipeListener) makeServerPipe() (*win32File, error) {
+	h, err := makeServerPipeHandle(l.path, nil, &l.config, false)
+	if err != nil {
+		return nil, err
+	}
+	f, err := makeWin32File(h)
+	if err != nil {
+		syscall.Close(h)
+		return nil, err
+	}
+	return f, nil
+}
+
+func (l *win32PipeListener) makeConnectedServerPipe() (*win32File, error) {
+	p, err := l.makeServerPipe()
+	if err != nil {
+		return nil, err
+	}
+
+	// Wait for the client to connect.
+	ch := make(chan error)
+	go func(p *win32File) {
+		ch <- connectPipe(p)
+	}(p)
+
+	select {
+	case err = <-ch:
+		if err != nil {
+			p.Close()
+			p = nil
+		}
+	case <-l.closeCh:
+		// Abort the connect request by closing the handle.
+		p.Close()
+		p = nil
+		err = <-ch
+		if err == nil || err == ErrFileClosed { //nolint:errorlint // err is Errno
+			err = ErrPipeListenerClosed
+		}
+	}
+	return p, err
+}
+
+func (l *win32PipeListener) listenerRoutine() {
+	closed := false
+	for !closed {
+		select {
+		case <-l.closeCh:
+			closed = true
+		case responseCh := <-l.acceptCh:
+			var (
+				p   *win32File
+				err error
+			)
+			for {
+				p, err = l.makeConnectedServerPipe()
+				// If the connection was immediately closed by the client, try
+				// again.
+				if err != windows.ERROR_NO_DATA { //nolint:errorlint // err is Errno
+					break
+				}
+			}
+			responseCh <- acceptResponse{p, err}
+			closed = err == ErrPipeListenerClosed //nolint:errorlint // err is Errno
+		}
+	}
+	syscall.Close(l.firstHandle)
+	l.firstHandle = 0
+	// Notify Close() and Accept() callers that the handle has been closed.
+	close(l.doneCh)
+}
+
+// PipeConfig contain configuration for the pipe listener.
+type PipeConfig struct {
+	// SecurityDescriptor contains a Windows security descriptor in SDDL format.
+	SecurityDescriptor string
+
+	// MessageMode determines whether the pipe is in byte or message mode. In either
+	// case the pipe is read in byte mode by default. The only practical difference in
+	// this implementation is that CloseWrite() is only supported for message mode pipes;
+	// CloseWrite() is implemented as a zero-byte write, but zero-byte writes are only
+	// transferred to the reader (and returned as io.EOF in this implementation)
+	// when the pipe is in message mode.
+	MessageMode bool
+
+	// InputBufferSize specifies the size of the input buffer, in bytes.
+	InputBufferSize int32
+
+	// OutputBufferSize specifies the size of the output buffer, in bytes.
+	OutputBufferSize int32
+}
+
+// ListenPipe creates a listener on a Windows named pipe path, e.g. \\.\pipe\mypipe.
+// The pipe must not already exist.
+func ListenPipe(path string, c *PipeConfig) (net.Listener, error) {
+	var (
+		sd  []byte
+		err error
+	)
+	if c == nil {
+		c = &PipeConfig{}
+	}
+	if c.SecurityDescriptor != "" {
+		sd, err = SddlToSecurityDescriptor(c.SecurityDescriptor)
+		if err != nil {
+			return nil, err
+		}
+	}
+	h, err := makeServerPipeHandle(path, sd, c, true)
+	if err != nil {
+		return nil, err
+	}
+	l := &win32PipeListener{
+		firstHandle: h,
+		path:        path,
+		config:      *c,
+		acceptCh:    make(chan (chan acceptResponse)),
+		closeCh:     make(chan int),
+		doneCh:      make(chan int),
+	}
+	go l.listenerRoutine()
+	return l, nil
+}
+
+func connectPipe(p *win32File) error {
+	c, err := p.prepareIO()
+	if err != nil {
+		return err
+	}
+	defer p.wg.Done()
+
+	err = connectNamedPipe(p.handle, &c.o)
+	_, err = p.asyncIO(c, nil, 0, err)
+	if err != nil && err != windows.ERROR_PIPE_CONNECTED { //nolint:errorlint // err is Errno
+		return err
+	}
+	return nil
+}
+
+func (l *win32PipeListener) Accept() (net.Conn, error) {
+	ch := make(chan acceptResponse)
+	select {
+	case l.acceptCh <- ch:
+		response := <-ch
+		err := response.err
+		if err != nil {
+			return nil, err
+		}
+		if l.config.MessageMode {
+			return &win32MessageBytePipe{
+				win32Pipe: win32Pipe{win32File: response.f, path: l.path},
+			}, nil
+		}
+		return &win32Pipe{win32File: response.f, path: l.path}, nil
+	case <-l.doneCh:
+		return nil, ErrPipeListenerClosed
+	}
+}
+
+func (l *win32PipeListener) Close() error {
+	select {
+	case l.closeCh <- 1:
+		<-l.doneCh
+	case <-l.doneCh:
+	}
+	return nil
+}
+
+func (l *win32PipeListener) Addr() net.Addr {
+	return pipeAddress(l.path)
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go
new file mode 100644
index 0000000..48ce4e9
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid.go
@@ -0,0 +1,232 @@
+// Package guid provides a GUID type. The backing structure for a GUID is
+// identical to that used by the golang.org/x/sys/windows GUID type.
+// There are two main binary encodings used for a GUID, the big-endian encoding,
+// and the Windows (mixed-endian) encoding. See here for details:
+// https://en.wikipedia.org/wiki/Universally_unique_identifier#Encoding
+package guid
+
+import (
+	"crypto/rand"
+	"crypto/sha1" //nolint:gosec // not used for secure application
+	"encoding"
+	"encoding/binary"
+	"fmt"
+	"strconv"
+)
+
+//go:generate go run golang.org/x/tools/cmd/stringer -type=Variant -trimprefix=Variant -linecomment
+
+// Variant specifies which GUID variant (or "type") of the GUID. It determines
+// how the entirety of the rest of the GUID is interpreted.
+type Variant uint8
+
+// The variants specified by RFC 4122 section 4.1.1.
+const (
+	// VariantUnknown specifies a GUID variant which does not conform to one of
+	// the variant encodings specified in RFC 4122.
+	VariantUnknown Variant = iota
+	VariantNCS
+	VariantRFC4122 // RFC 4122
+	VariantMicrosoft
+	VariantFuture
+)
+
+// Version specifies how the bits in the GUID were generated. For instance, a
+// version 4 GUID is randomly generated, and a version 5 is generated from the
+// hash of an input string.
+type Version uint8
+
+func (v Version) String() string {
+	return strconv.FormatUint(uint64(v), 10)
+}
+
+var _ = (encoding.TextMarshaler)(GUID{})
+var _ = (encoding.TextUnmarshaler)(&GUID{})
+
+// NewV4 returns a new version 4 (pseudorandom) GUID, as defined by RFC 4122.
+func NewV4() (GUID, error) {
+	var b [16]byte
+	if _, err := rand.Read(b[:]); err != nil {
+		return GUID{}, err
+	}
+
+	g := FromArray(b)
+	g.setVersion(4) // Version 4 means randomly generated.
+	g.setVariant(VariantRFC4122)
+
+	return g, nil
+}
+
+// NewV5 returns a new version 5 (generated from a string via SHA-1 hashing)
+// GUID, as defined by RFC 4122. The RFC is unclear on the encoding of the name,
+// and the sample code treats it as a series of bytes, so we do the same here.
+//
+// Some implementations, such as those found on Windows, treat the name as a
+// big-endian UTF16 stream of bytes. If that is desired, the string can be
+// encoded as such before being passed to this function.
+func NewV5(namespace GUID, name []byte) (GUID, error) {
+	b := sha1.New() //nolint:gosec // not used for secure application
+	namespaceBytes := namespace.ToArray()
+	b.Write(namespaceBytes[:])
+	b.Write(name)
+
+	a := [16]byte{}
+	copy(a[:], b.Sum(nil))
+
+	g := FromArray(a)
+	g.setVersion(5) // Version 5 means generated from a string.
+	g.setVariant(VariantRFC4122)
+
+	return g, nil
+}
+
+func fromArray(b [16]byte, order binary.ByteOrder) GUID {
+	var g GUID
+	g.Data1 = order.Uint32(b[0:4])
+	g.Data2 = order.Uint16(b[4:6])
+	g.Data3 = order.Uint16(b[6:8])
+	copy(g.Data4[:], b[8:16])
+	return g
+}
+
+func (g GUID) toArray(order binary.ByteOrder) [16]byte {
+	b := [16]byte{}
+	order.PutUint32(b[0:4], g.Data1)
+	order.PutUint16(b[4:6], g.Data2)
+	order.PutUint16(b[6:8], g.Data3)
+	copy(b[8:16], g.Data4[:])
+	return b
+}
+
+// FromArray constructs a GUID from a big-endian encoding array of 16 bytes.
+func FromArray(b [16]byte) GUID {
+	return fromArray(b, binary.BigEndian)
+}
+
+// ToArray returns an array of 16 bytes representing the GUID in big-endian
+// encoding.
+func (g GUID) ToArray() [16]byte {
+	return g.toArray(binary.BigEndian)
+}
+
+// FromWindowsArray constructs a GUID from a Windows encoding array of bytes.
+func FromWindowsArray(b [16]byte) GUID {
+	return fromArray(b, binary.LittleEndian)
+}
+
+// ToWindowsArray returns an array of 16 bytes representing the GUID in Windows
+// encoding.
+func (g GUID) ToWindowsArray() [16]byte {
+	return g.toArray(binary.LittleEndian)
+}
+
+func (g GUID) String() string {
+	return fmt.Sprintf(
+		"%08x-%04x-%04x-%04x-%012x",
+		g.Data1,
+		g.Data2,
+		g.Data3,
+		g.Data4[:2],
+		g.Data4[2:])
+}
+
+// FromString parses a string containing a GUID and returns the GUID. The only
+// format currently supported is the `xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx`
+// format.
+func FromString(s string) (GUID, error) {
+	if len(s) != 36 {
+		return GUID{}, fmt.Errorf("invalid GUID %q", s)
+	}
+	if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' {
+		return GUID{}, fmt.Errorf("invalid GUID %q", s)
+	}
+
+	var g GUID
+
+	data1, err := strconv.ParseUint(s[0:8], 16, 32)
+	if err != nil {
+		return GUID{}, fmt.Errorf("invalid GUID %q", s)
+	}
+	g.Data1 = uint32(data1)
+
+	data2, err := strconv.ParseUint(s[9:13], 16, 16)
+	if err != nil {
+		return GUID{}, fmt.Errorf("invalid GUID %q", s)
+	}
+	g.Data2 = uint16(data2)
+
+	data3, err := strconv.ParseUint(s[14:18], 16, 16)
+	if err != nil {
+		return GUID{}, fmt.Errorf("invalid GUID %q", s)
+	}
+	g.Data3 = uint16(data3)
+
+	for i, x := range []int{19, 21, 24, 26, 28, 30, 32, 34} {
+		v, err := strconv.ParseUint(s[x:x+2], 16, 8)
+		if err != nil {
+			return GUID{}, fmt.Errorf("invalid GUID %q", s)
+		}
+		g.Data4[i] = uint8(v)
+	}
+
+	return g, nil
+}
+
+func (g *GUID) setVariant(v Variant) {
+	d := g.Data4[0]
+	switch v {
+	case VariantNCS:
+		d = (d & 0x7f)
+	case VariantRFC4122:
+		d = (d & 0x3f) | 0x80
+	case VariantMicrosoft:
+		d = (d & 0x1f) | 0xc0
+	case VariantFuture:
+		d = (d & 0x0f) | 0xe0
+	case VariantUnknown:
+		fallthrough
+	default:
+		panic(fmt.Sprintf("invalid variant: %d", v))
+	}
+	g.Data4[0] = d
+}
+
+// Variant returns the GUID variant, as defined in RFC 4122.
+func (g GUID) Variant() Variant {
+	b := g.Data4[0]
+	if b&0x80 == 0 {
+		return VariantNCS
+	} else if b&0xc0 == 0x80 {
+		return VariantRFC4122
+	} else if b&0xe0 == 0xc0 {
+		return VariantMicrosoft
+	} else if b&0xe0 == 0xe0 {
+		return VariantFuture
+	}
+	return VariantUnknown
+}
+
+func (g *GUID) setVersion(v Version) {
+	g.Data3 = (g.Data3 & 0x0fff) | (uint16(v) << 12)
+}
+
+// Version returns the GUID version, as defined in RFC 4122.
+func (g GUID) Version() Version {
+	return Version((g.Data3 & 0xF000) >> 12)
+}
+
+// MarshalText returns the textual representation of the GUID.
+func (g GUID) MarshalText() ([]byte, error) {
+	return []byte(g.String()), nil
+}
+
+// UnmarshalText takes the textual representation of a GUID, and unmarhals it
+// into this GUID.
+func (g *GUID) UnmarshalText(text []byte) error {
+	g2, err := FromString(string(text))
+	if err != nil {
+		return err
+	}
+	*g = g2
+	return nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go
new file mode 100644
index 0000000..805bd35
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_nonwindows.go
@@ -0,0 +1,16 @@
+//go:build !windows
+// +build !windows
+
+package guid
+
+// GUID represents a GUID/UUID. It has the same structure as
+// golang.org/x/sys/windows.GUID so that it can be used with functions expecting
+// that type. It is defined as its own type as that is only available to builds
+// targeted at `windows`. The representation matches that used by native Windows
+// code.
+type GUID struct {
+	Data1 uint32
+	Data2 uint16
+	Data3 uint16
+	Data4 [8]byte
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go
new file mode 100644
index 0000000..27e45ee
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/guid_windows.go
@@ -0,0 +1,13 @@
+//go:build windows
+// +build windows
+
+package guid
+
+import "golang.org/x/sys/windows"
+
+// GUID represents a GUID/UUID. It has the same structure as
+// golang.org/x/sys/windows.GUID so that it can be used with functions expecting
+// that type. It is defined as its own type so that stringification and
+// marshaling can be supported. The representation matches that used by native
+// Windows code.
+type GUID windows.GUID
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go
new file mode 100644
index 0000000..4076d31
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/pkg/guid/variant_string.go
@@ -0,0 +1,27 @@
+// Code generated by "stringer -type=Variant -trimprefix=Variant -linecomment"; DO NOT EDIT.
+
+package guid
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[VariantUnknown-0]
+	_ = x[VariantNCS-1]
+	_ = x[VariantRFC4122-2]
+	_ = x[VariantMicrosoft-3]
+	_ = x[VariantFuture-4]
+}
+
+const _Variant_name = "UnknownNCSRFC 4122MicrosoftFuture"
+
+var _Variant_index = [...]uint8{0, 7, 10, 18, 27, 33}
+
+func (i Variant) String() string {
+	if i >= Variant(len(_Variant_index)-1) {
+		return "Variant(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _Variant_name[_Variant_index[i]:_Variant_index[i+1]]
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/privilege.go b/debian/extra/vendor/github.com/Microsoft/go-winio/privilege.go
new file mode 100644
index 0000000..0ff9dac
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/privilege.go
@@ -0,0 +1,197 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+	"runtime"
+	"sync"
+	"syscall"
+	"unicode/utf16"
+
+	"golang.org/x/sys/windows"
+)
+
+//sys adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) [true] = advapi32.AdjustTokenPrivileges
+//sys impersonateSelf(level uint32) (err error) = advapi32.ImpersonateSelf
+//sys revertToSelf() (err error) = advapi32.RevertToSelf
+//sys openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) = advapi32.OpenThreadToken
+//sys getCurrentThread() (h syscall.Handle) = GetCurrentThread
+//sys lookupPrivilegeValue(systemName string, name string, luid *uint64) (err error) = advapi32.LookupPrivilegeValueW
+//sys lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) = advapi32.LookupPrivilegeNameW
+//sys lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) = advapi32.LookupPrivilegeDisplayNameW
+
+const (
+	//revive:disable-next-line:var-naming ALL_CAPS
+	SE_PRIVILEGE_ENABLED = windows.SE_PRIVILEGE_ENABLED
+
+	//revive:disable-next-line:var-naming ALL_CAPS
+	ERROR_NOT_ALL_ASSIGNED syscall.Errno = windows.ERROR_NOT_ALL_ASSIGNED
+
+	SeBackupPrivilege   = "SeBackupPrivilege"
+	SeRestorePrivilege  = "SeRestorePrivilege"
+	SeSecurityPrivilege = "SeSecurityPrivilege"
+)
+
+var (
+	privNames     = make(map[string]uint64)
+	privNameMutex sync.Mutex
+)
+
+// PrivilegeError represents an error enabling privileges.
+type PrivilegeError struct {
+	privileges []uint64
+}
+
+func (e *PrivilegeError) Error() string {
+	s := "Could not enable privilege "
+	if len(e.privileges) > 1 {
+		s = "Could not enable privileges "
+	}
+	for i, p := range e.privileges {
+		if i != 0 {
+			s += ", "
+		}
+		s += `"`
+		s += getPrivilegeName(p)
+		s += `"`
+	}
+	return s
+}
+
+// RunWithPrivilege enables a single privilege for a function call.
+func RunWithPrivilege(name string, fn func() error) error {
+	return RunWithPrivileges([]string{name}, fn)
+}
+
+// RunWithPrivileges enables privileges for a function call.
+func RunWithPrivileges(names []string, fn func() error) error {
+	privileges, err := mapPrivileges(names)
+	if err != nil {
+		return err
+	}
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+	token, err := newThreadToken()
+	if err != nil {
+		return err
+	}
+	defer releaseThreadToken(token)
+	err = adjustPrivileges(token, privileges, SE_PRIVILEGE_ENABLED)
+	if err != nil {
+		return err
+	}
+	return fn()
+}
+
+func mapPrivileges(names []string) ([]uint64, error) {
+	privileges := make([]uint64, 0, len(names))
+	privNameMutex.Lock()
+	defer privNameMutex.Unlock()
+	for _, name := range names {
+		p, ok := privNames[name]
+		if !ok {
+			err := lookupPrivilegeValue("", name, &p)
+			if err != nil {
+				return nil, err
+			}
+			privNames[name] = p
+		}
+		privileges = append(privileges, p)
+	}
+	return privileges, nil
+}
+
+// EnableProcessPrivileges enables privileges globally for the process.
+func EnableProcessPrivileges(names []string) error {
+	return enableDisableProcessPrivilege(names, SE_PRIVILEGE_ENABLED)
+}
+
+// DisableProcessPrivileges disables privileges globally for the process.
+func DisableProcessPrivileges(names []string) error {
+	return enableDisableProcessPrivilege(names, 0)
+}
+
+func enableDisableProcessPrivilege(names []string, action uint32) error {
+	privileges, err := mapPrivileges(names)
+	if err != nil {
+		return err
+	}
+
+	p := windows.CurrentProcess()
+	var token windows.Token
+	err = windows.OpenProcessToken(p, windows.TOKEN_ADJUST_PRIVILEGES|windows.TOKEN_QUERY, &token)
+	if err != nil {
+		return err
+	}
+
+	defer token.Close()
+	return adjustPrivileges(token, privileges, action)
+}
+
+func adjustPrivileges(token windows.Token, privileges []uint64, action uint32) error {
+	var b bytes.Buffer
+	_ = binary.Write(&b, binary.LittleEndian, uint32(len(privileges)))
+	for _, p := range privileges {
+		_ = binary.Write(&b, binary.LittleEndian, p)
+		_ = binary.Write(&b, binary.LittleEndian, action)
+	}
+	prevState := make([]byte, b.Len())
+	reqSize := uint32(0)
+	success, err := adjustTokenPrivileges(token, false, &b.Bytes()[0], uint32(len(prevState)), &prevState[0], &reqSize)
+	if !success {
+		return err
+	}
+	if err == ERROR_NOT_ALL_ASSIGNED { //nolint:errorlint // err is Errno
+		return &PrivilegeError{privileges}
+	}
+	return nil
+}
+
+func getPrivilegeName(luid uint64) string {
+	var nameBuffer [256]uint16
+	bufSize := uint32(len(nameBuffer))
+	err := lookupPrivilegeName("", &luid, &nameBuffer[0], &bufSize)
+	if err != nil {
+		return fmt.Sprintf("<unknown privilege %d>", luid)
+	}
+
+	var displayNameBuffer [256]uint16
+	displayBufSize := uint32(len(displayNameBuffer))
+	var langID uint32
+	err = lookupPrivilegeDisplayName("", &nameBuffer[0], &displayNameBuffer[0], &displayBufSize, &langID)
+	if err != nil {
+		return fmt.Sprintf("<unknown privilege %s>", string(utf16.Decode(nameBuffer[:bufSize])))
+	}
+
+	return string(utf16.Decode(displayNameBuffer[:displayBufSize]))
+}
+
+func newThreadToken() (windows.Token, error) {
+	err := impersonateSelf(windows.SecurityImpersonation)
+	if err != nil {
+		return 0, err
+	}
+
+	var token windows.Token
+	err = openThreadToken(getCurrentThread(), syscall.TOKEN_ADJUST_PRIVILEGES|syscall.TOKEN_QUERY, false, &token)
+	if err != nil {
+		rerr := revertToSelf()
+		if rerr != nil {
+			panic(rerr)
+		}
+		return 0, err
+	}
+	return token, nil
+}
+
+func releaseThreadToken(h windows.Token) {
+	err := revertToSelf()
+	if err != nil {
+		panic(err)
+	}
+	h.Close()
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/reparse.go b/debian/extra/vendor/github.com/Microsoft/go-winio/reparse.go
new file mode 100644
index 0000000..67d1a10
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/reparse.go
@@ -0,0 +1,131 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+	"strings"
+	"unicode/utf16"
+	"unsafe"
+)
+
+const (
+	reparseTagMountPoint = 0xA0000003
+	reparseTagSymlink    = 0xA000000C
+)
+
+type reparseDataBuffer struct {
+	ReparseTag           uint32
+	ReparseDataLength    uint16
+	Reserved             uint16
+	SubstituteNameOffset uint16
+	SubstituteNameLength uint16
+	PrintNameOffset      uint16
+	PrintNameLength      uint16
+}
+
+// ReparsePoint describes a Win32 symlink or mount point.
+type ReparsePoint struct {
+	Target       string
+	IsMountPoint bool
+}
+
+// UnsupportedReparsePointError is returned when trying to decode a non-symlink or
+// mount point reparse point.
+type UnsupportedReparsePointError struct {
+	Tag uint32
+}
+
+func (e *UnsupportedReparsePointError) Error() string {
+	return fmt.Sprintf("unsupported reparse point %x", e.Tag)
+}
+
+// DecodeReparsePoint decodes a Win32 REPARSE_DATA_BUFFER structure containing either a symlink
+// or a mount point.
+func DecodeReparsePoint(b []byte) (*ReparsePoint, error) {
+	tag := binary.LittleEndian.Uint32(b[0:4])
+	return DecodeReparsePointData(tag, b[8:])
+}
+
+func DecodeReparsePointData(tag uint32, b []byte) (*ReparsePoint, error) {
+	isMountPoint := false
+	switch tag {
+	case reparseTagMountPoint:
+		isMountPoint = true
+	case reparseTagSymlink:
+	default:
+		return nil, &UnsupportedReparsePointError{tag}
+	}
+	nameOffset := 8 + binary.LittleEndian.Uint16(b[4:6])
+	if !isMountPoint {
+		nameOffset += 4
+	}
+	nameLength := binary.LittleEndian.Uint16(b[6:8])
+	name := make([]uint16, nameLength/2)
+	err := binary.Read(bytes.NewReader(b[nameOffset:nameOffset+nameLength]), binary.LittleEndian, &name)
+	if err != nil {
+		return nil, err
+	}
+	return &ReparsePoint{string(utf16.Decode(name)), isMountPoint}, nil
+}
+
+func isDriveLetter(c byte) bool {
+	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
+}
+
+// EncodeReparsePoint encodes a Win32 REPARSE_DATA_BUFFER structure describing a symlink or
+// mount point.
+func EncodeReparsePoint(rp *ReparsePoint) []byte {
+	// Generate an NT path and determine if this is a relative path.
+	var ntTarget string
+	relative := false
+	if strings.HasPrefix(rp.Target, `\\?\`) {
+		ntTarget = `\??\` + rp.Target[4:]
+	} else if strings.HasPrefix(rp.Target, `\\`) {
+		ntTarget = `\??\UNC\` + rp.Target[2:]
+	} else if len(rp.Target) >= 2 && isDriveLetter(rp.Target[0]) && rp.Target[1] == ':' {
+		ntTarget = `\??\` + rp.Target
+	} else {
+		ntTarget = rp.Target
+		relative = true
+	}
+
+	// The paths must be NUL-terminated even though they are counted strings.
+	target16 := utf16.Encode([]rune(rp.Target + "\x00"))
+	ntTarget16 := utf16.Encode([]rune(ntTarget + "\x00"))
+
+	size := int(unsafe.Sizeof(reparseDataBuffer{})) - 8
+	size += len(ntTarget16)*2 + len(target16)*2
+
+	tag := uint32(reparseTagMountPoint)
+	if !rp.IsMountPoint {
+		tag = reparseTagSymlink
+		size += 4 // Add room for symlink flags
+	}
+
+	data := reparseDataBuffer{
+		ReparseTag:           tag,
+		ReparseDataLength:    uint16(size),
+		SubstituteNameOffset: 0,
+		SubstituteNameLength: uint16((len(ntTarget16) - 1) * 2),
+		PrintNameOffset:      uint16(len(ntTarget16) * 2),
+		PrintNameLength:      uint16((len(target16) - 1) * 2),
+	}
+
+	var b bytes.Buffer
+	_ = binary.Write(&b, binary.LittleEndian, &data)
+	if !rp.IsMountPoint {
+		flags := uint32(0)
+		if relative {
+			flags |= 1
+		}
+		_ = binary.Write(&b, binary.LittleEndian, flags)
+	}
+
+	_ = binary.Write(&b, binary.LittleEndian, ntTarget16)
+	_ = binary.Write(&b, binary.LittleEndian, target16)
+	return b.Bytes()
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/sd.go b/debian/extra/vendor/github.com/Microsoft/go-winio/sd.go
new file mode 100644
index 0000000..5550ef6
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/sd.go
@@ -0,0 +1,144 @@
+//go:build windows
+// +build windows
+
+package winio
+
+import (
+	"errors"
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+//sys lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) = advapi32.LookupAccountNameW
+//sys lookupAccountSid(systemName *uint16, sid *byte, name *uint16, nameSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) = advapi32.LookupAccountSidW
+//sys convertSidToStringSid(sid *byte, str **uint16) (err error) = advapi32.ConvertSidToStringSidW
+//sys convertStringSidToSid(str *uint16, sid **byte) (err error) = advapi32.ConvertStringSidToSidW
+//sys convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd *uintptr, size *uint32) (err error) = advapi32.ConvertStringSecurityDescriptorToSecurityDescriptorW
+//sys convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) = advapi32.ConvertSecurityDescriptorToStringSecurityDescriptorW
+//sys localFree(mem uintptr) = LocalFree
+//sys getSecurityDescriptorLength(sd uintptr) (len uint32) = advapi32.GetSecurityDescriptorLength
+
+type AccountLookupError struct {
+	Name string
+	Err  error
+}
+
+func (e *AccountLookupError) Error() string {
+	if e.Name == "" {
+		return "lookup account: empty account name specified"
+	}
+	var s string
+	switch {
+	case errors.Is(e.Err, windows.ERROR_INVALID_SID):
+		s = "the security ID structure is invalid"
+	case errors.Is(e.Err, windows.ERROR_NONE_MAPPED):
+		s = "not found"
+	default:
+		s = e.Err.Error()
+	}
+	return "lookup account " + e.Name + ": " + s
+}
+
+func (e *AccountLookupError) Unwrap() error { return e.Err }
+
+type SddlConversionError struct {
+	Sddl string
+	Err  error
+}
+
+func (e *SddlConversionError) Error() string {
+	return "convert " + e.Sddl + ": " + e.Err.Error()
+}
+
+func (e *SddlConversionError) Unwrap() error { return e.Err }
+
+// LookupSidByName looks up the SID of an account by name
+//
+//revive:disable-next-line:var-naming SID, not Sid
+func LookupSidByName(name string) (sid string, err error) {
+	if name == "" {
+		return "", &AccountLookupError{name, windows.ERROR_NONE_MAPPED}
+	}
+
+	var sidSize, sidNameUse, refDomainSize uint32
+	err = lookupAccountName(nil, name, nil, &sidSize, nil, &refDomainSize, &sidNameUse)
+	if err != nil && err != syscall.ERROR_INSUFFICIENT_BUFFER { //nolint:errorlint // err is Errno
+		return "", &AccountLookupError{name, err}
+	}
+	sidBuffer := make([]byte, sidSize)
+	refDomainBuffer := make([]uint16, refDomainSize)
+	err = lookupAccountName(nil, name, &sidBuffer[0], &sidSize, &refDomainBuffer[0], &refDomainSize, &sidNameUse)
+	if err != nil {
+		return "", &AccountLookupError{name, err}
+	}
+	var strBuffer *uint16
+	err = convertSidToStringSid(&sidBuffer[0], &strBuffer)
+	if err != nil {
+		return "", &AccountLookupError{name, err}
+	}
+	sid = syscall.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(strBuffer))[:])
+	localFree(uintptr(unsafe.Pointer(strBuffer)))
+	return sid, nil
+}
+
+// LookupNameBySid looks up the name of an account by SID
+//
+//revive:disable-next-line:var-naming SID, not Sid
+func LookupNameBySid(sid string) (name string, err error) {
+	if sid == "" {
+		return "", &AccountLookupError{sid, windows.ERROR_NONE_MAPPED}
+	}
+
+	sidBuffer, err := windows.UTF16PtrFromString(sid)
+	if err != nil {
+		return "", &AccountLookupError{sid, err}
+	}
+
+	var sidPtr *byte
+	if err = convertStringSidToSid(sidBuffer, &sidPtr); err != nil {
+		return "", &AccountLookupError{sid, err}
+	}
+	defer localFree(uintptr(unsafe.Pointer(sidPtr)))
+
+	var nameSize, refDomainSize, sidNameUse uint32
+	err = lookupAccountSid(nil, sidPtr, nil, &nameSize, nil, &refDomainSize, &sidNameUse)
+	if err != nil && err != windows.ERROR_INSUFFICIENT_BUFFER { //nolint:errorlint // err is Errno
+		return "", &AccountLookupError{sid, err}
+	}
+
+	nameBuffer := make([]uint16, nameSize)
+	refDomainBuffer := make([]uint16, refDomainSize)
+	err = lookupAccountSid(nil, sidPtr, &nameBuffer[0], &nameSize, &refDomainBuffer[0], &refDomainSize, &sidNameUse)
+	if err != nil {
+		return "", &AccountLookupError{sid, err}
+	}
+
+	name = windows.UTF16ToString(nameBuffer)
+	return name, nil
+}
+
+func SddlToSecurityDescriptor(sddl string) ([]byte, error) {
+	var sdBuffer uintptr
+	err := convertStringSecurityDescriptorToSecurityDescriptor(sddl, 1, &sdBuffer, nil)
+	if err != nil {
+		return nil, &SddlConversionError{sddl, err}
+	}
+	defer localFree(sdBuffer)
+	sd := make([]byte, getSecurityDescriptorLength(sdBuffer))
+	copy(sd, (*[0xffff]byte)(unsafe.Pointer(sdBuffer))[:len(sd)])
+	return sd, nil
+}
+
+func SecurityDescriptorToSddl(sd []byte) (string, error) {
+	var sddl *uint16
+	// The returned string length seems to include an arbitrary number of terminating NULs.
+	// Don't use it.
+	err := convertSecurityDescriptorToStringSecurityDescriptor(&sd[0], 1, 0xff, &sddl, nil)
+	if err != nil {
+		return "", err
+	}
+	defer localFree(uintptr(unsafe.Pointer(sddl)))
+	return syscall.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(sddl))[:]), nil
+}
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/syscall.go b/debian/extra/vendor/github.com/Microsoft/go-winio/syscall.go
new file mode 100644
index 0000000..a6ca111
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/syscall.go
@@ -0,0 +1,5 @@
+//go:build windows
+
+package winio
+
+//go:generate go run github.com/Microsoft/go-winio/tools/mkwinsyscall -output zsyscall_windows.go ./*.go
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/tools.go b/debian/extra/vendor/github.com/Microsoft/go-winio/tools.go
new file mode 100644
index 0000000..2aa0458
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/tools.go
@@ -0,0 +1,5 @@
+//go:build tools
+
+package winio
+
+import _ "golang.org/x/tools/cmd/stringer"
diff --git a/debian/extra/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go b/debian/extra/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go
new file mode 100644
index 0000000..469b16f
--- /dev/null
+++ b/debian/extra/vendor/github.com/Microsoft/go-winio/zsyscall_windows.go
@@ -0,0 +1,419 @@
+//go:build windows
+
+// Code generated by 'go generate' using "github.com/Microsoft/go-winio/tools/mkwinsyscall"; DO NOT EDIT.
+
+package winio
+
+import (
+	"syscall"
+	"unsafe"
+
+	"golang.org/x/sys/windows"
+)
+
+var _ unsafe.Pointer
+
+// Do the interface allocations only once for common
+// Errno values.
+const (
+	errnoERROR_IO_PENDING = 997
+)
+
+var (
+	errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
+	errERROR_EINVAL     error = syscall.EINVAL
+)
+
+// errnoErr returns common boxed Errno values, to prevent
+// allocations at runtime.
+func errnoErr(e syscall.Errno) error {
+	switch e {
+	case 0:
+		return errERROR_EINVAL
+	case errnoERROR_IO_PENDING:
+		return errERROR_IO_PENDING
+	}
+	// TODO: add more here, after collecting data on the common
+	// error values see on Windows. (perhaps when running
+	// all.bat?)
+	return e
+}
+
+var (
+	modadvapi32 = windows.NewLazySystemDLL("advapi32.dll")
+	modkernel32 = windows.NewLazySystemDLL("kernel32.dll")
+	modntdll    = windows.NewLazySystemDLL("ntdll.dll")
+	modws2_32   = windows.NewLazySystemDLL("ws2_32.dll")
+
+	procAdjustTokenPrivileges                                = modadvapi32.NewProc("AdjustTokenPrivileges")
+	procConvertSecurityDescriptorToStringSecurityDescriptorW = modadvapi32.NewProc("ConvertSecurityDescriptorToStringSecurityDescriptorW")
+	procConvertSidToStringSidW                               = modadvapi32.NewProc("ConvertSidToStringSidW")
+	procConvertStringSecurityDescriptorToSecurityDescriptorW = modadvapi32.NewProc("ConvertStringSecurityDescriptorToSecurityDescriptorW")
+	procConvertStringSidToSidW                               = modadvapi32.NewProc("ConvertStringSidToSidW")
+	procGetSecurityDescriptorLength                          = modadvapi32.NewProc("GetSecurityDescriptorLength")
+	procImpersonateSelf                                      = modadvapi32.NewProc("ImpersonateSelf")
+	procLookupAccountNameW                                   = modadvapi32.NewProc("LookupAccountNameW")
+	procLookupAccountSidW                                    = modadvapi32.NewProc("LookupAccountSidW")
+	procLookupPrivilegeDisplayNameW                          = modadvapi32.NewProc("LookupPrivilegeDisplayNameW")
+	procLookupPrivilegeNameW                                 = modadvapi32.NewProc("LookupPrivilegeNameW")
+	procLookupPrivilegeValueW                                = modadvapi32.NewProc("LookupPrivilegeValueW")
+	procOpenThreadToken                                      = modadvapi32.NewProc("OpenThreadToken")
+	procRevertToSelf                                         = modadvapi32.NewProc("RevertToSelf")
+	procBackupRead                                           = modkernel32.NewProc("BackupRead")
+	procBackupWrite                                          = modkernel32.NewProc("BackupWrite")
+	procCancelIoEx                                           = modkernel32.NewProc("CancelIoEx")
+	procConnectNamedPipe                                     = modkernel32.NewProc("ConnectNamedPipe")
+	procCreateIoCompletionPort                               = modkernel32.NewProc("CreateIoCompletionPort")
+	procCreateNamedPipeW                                     = modkernel32.NewProc("CreateNamedPipeW")
+	procGetCurrentThread                                     = modkernel32.NewProc("GetCurrentThread")
+	procGetNamedPipeHandleStateW                             = modkernel32.NewProc("GetNamedPipeHandleStateW")
+	procGetNamedPipeInfo                                     = modkernel32.NewProc("GetNamedPipeInfo")
+	procGetQueuedCompletionStatus                            = modkernel32.NewProc("GetQueuedCompletionStatus")
+	procLocalAlloc                                           = modkernel32.NewProc("LocalAlloc")
+	procLocalFree                                            = modkernel32.NewProc("LocalFree")
+	procSetFileCompletionNotificationModes                   = modkernel32.NewProc("SetFileCompletionNotificationModes")
+	procNtCreateNamedPipeFile                                = modntdll.NewProc("NtCreateNamedPipeFile")
+	procRtlDefaultNpAcl                                      = modntdll.NewProc("RtlDefaultNpAcl")
+	procRtlDosPathNameToNtPathName_U                         = modntdll.NewProc("RtlDosPathNameToNtPathName_U")
+	procRtlNtStatusToDosErrorNoTeb                           = modntdll.NewProc("RtlNtStatusToDosErrorNoTeb")
+	procWSAGetOverlappedResult                               = modws2_32.NewProc("WSAGetOverlappedResult")
+)
+
+func adjustTokenPrivileges(token windows.Token, releaseAll bool, input *byte, outputSize uint32, output *byte, requiredSize *uint32) (success bool, err error) {
+	var _p0 uint32
+	if releaseAll {
+		_p0 = 1
+	}
+	r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(input)), uintptr(outputSize), uintptr(unsafe.Pointer(output)), uintptr(unsafe.Pointer(requiredSize)))
+	success = r0 != 0
+	if true {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertSecurityDescriptorToStringSecurityDescriptor(sd *byte, revision uint32, secInfo uint32, sddl **uint16, sddlSize *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procConvertSecurityDescriptorToStringSecurityDescriptorW.Addr(), 5, uintptr(unsafe.Pointer(sd)), uintptr(revision), uintptr(secInfo), uintptr(unsafe.Pointer(sddl)), uintptr(unsafe.Pointer(sddlSize)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertSidToStringSid(sid *byte, str **uint16) (err error) {
+	r1, _, e1 := syscall.Syscall(procConvertSidToStringSidW.Addr(), 2, uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(str)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertStringSecurityDescriptorToSecurityDescriptor(str string, revision uint32, sd *uintptr, size *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(str)
+	if err != nil {
+		return
+	}
+	return _convertStringSecurityDescriptorToSecurityDescriptor(_p0, revision, sd, size)
+}
+
+func _convertStringSecurityDescriptorToSecurityDescriptor(str *uint16, revision uint32, sd *uintptr, size *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procConvertStringSecurityDescriptorToSecurityDescriptorW.Addr(), 4, uintptr(unsafe.Pointer(str)), uintptr(revision), uintptr(unsafe.Pointer(sd)), uintptr(unsafe.Pointer(size)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func convertStringSidToSid(str *uint16, sid **byte) (err error) {
+	r1, _, e1 := syscall.Syscall(procConvertStringSidToSidW.Addr(), 2, uintptr(unsafe.Pointer(str)), uintptr(unsafe.Pointer(sid)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getSecurityDescriptorLength(sd uintptr) (len uint32) {
+	r0, _, _ := syscall.Syscall(procGetSecurityDescriptorLength.Addr(), 1, uintptr(sd), 0, 0)
+	len = uint32(r0)
+	return
+}
+
+func impersonateSelf(level uint32) (err error) {
+	r1, _, e1 := syscall.Syscall(procImpersonateSelf.Addr(), 1, uintptr(level), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func lookupAccountName(systemName *uint16, accountName string, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(accountName)
+	if err != nil {
+		return
+	}
+	return _lookupAccountName(systemName, _p0, sid, sidSize, refDomain, refDomainSize, sidNameUse)
+}
+
+func _lookupAccountName(systemName *uint16, accountName *uint16, sid *byte, sidSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procLookupAccountNameW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(accountName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(sidSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func lookupAccountSid(systemName *uint16, sid *byte, name *uint16, nameSize *uint32, refDomain *uint16, refDomainSize *uint32, sidNameUse *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procLookupAccountSidW.Addr(), 7, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(sid)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameSize)), uintptr(unsafe.Pointer(refDomain)), uintptr(unsafe.Pointer(refDomainSize)), uintptr(unsafe.Pointer(sidNameUse)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func lookupPrivilegeDisplayName(systemName string, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
+	}
+	return _lookupPrivilegeDisplayName(_p0, name, buffer, size, languageId)
+}
+
+func _lookupPrivilegeDisplayName(systemName *uint16, name *uint16, buffer *uint16, size *uint32, languageId *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeDisplayNameW.Addr(), 5, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), uintptr(unsafe.Pointer(languageId)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func lookupPrivilegeName(systemName string, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
+	}
+	return _lookupPrivilegeName(_p0, luid, buffer, size)
+}
+
+func _lookupPrivilegeName(systemName *uint16, luid *uint64, buffer *uint16, size *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procLookupPrivilegeNameW.Addr(), 4, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(luid)), uintptr(unsafe.Pointer(buffer)), uintptr(unsafe.Pointer(size)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func lookupPrivilegeValue(systemName string, name string, luid *uint64) (err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(systemName)
+	if err != nil {
+		return
+	}
+	var _p1 *uint16
+	_p1, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _lookupPrivilegeValue(_p0, _p1, luid)
+}
+
+func _lookupPrivilegeValue(systemName *uint16, name *uint16, luid *uint64) (err error) {
+	r1, _, e1 := syscall.Syscall(procLookupPrivilegeValueW.Addr(), 3, uintptr(unsafe.Pointer(systemName)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(luid)))
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func openThreadToken(thread syscall.Handle, accessMask uint32, openAsSelf bool, token *windows.Token) (err error) {
+	var _p0 uint32
+	if openAsSelf {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(thread), uintptr(accessMask), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func revertToSelf() (err error) {
+	r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func backupRead(h syscall.Handle, b []byte, bytesRead *uint32, abort bool, processSecurity bool, context *uintptr) (err error) {
+	var _p0 *byte
+	if len(b) > 0 {
+		_p0 = &b[0]
+	}
+	var _p1 uint32
+	if abort {
+		_p1 = 1
+	}
+	var _p2 uint32
+	if processSecurity {
+		_p2 = 1
+	}
+	r1, _, e1 := syscall.Syscall9(procBackupRead.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesRead)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func backupWrite(h syscall.Handle, b []byte, bytesWritten *uint32, abort bool, processSecurity bool, context *uintptr) (err error) {
+	var _p0 *byte
+	if len(b) > 0 {
+		_p0 = &b[0]
+	}
+	var _p1 uint32
+	if abort {
+		_p1 = 1
+	}
+	var _p2 uint32
+	if processSecurity {
+		_p2 = 1
+	}
+	r1, _, e1 := syscall.Syscall9(procBackupWrite.Addr(), 7, uintptr(h), uintptr(unsafe.Pointer(_p0)), uintptr(len(b)), uintptr(unsafe.Pointer(bytesWritten)), uintptr(_p1), uintptr(_p2), uintptr(unsafe.Pointer(context)), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func cancelIoEx(file syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procCancelIoEx.Addr(), 2, uintptr(file), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func connectNamedPipe(pipe syscall.Handle, o *syscall.Overlapped) (err error) {
+	r1, _, e1 := syscall.Syscall(procConnectNamedPipe.Addr(), 2, uintptr(pipe), uintptr(unsafe.Pointer(o)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createIoCompletionPort(file syscall.Handle, port syscall.Handle, key uintptr, threadCount uint32) (newport syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall6(procCreateIoCompletionPort.Addr(), 4, uintptr(file), uintptr(port), uintptr(key), uintptr(threadCount), 0, 0)
+	newport = syscall.Handle(r0)
+	if newport == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func createNamedPipe(name string, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	var _p0 *uint16
+	_p0, err = syscall.UTF16PtrFromString(name)
+	if err != nil {
+		return
+	}
+	return _createNamedPipe(_p0, flags, pipeMode, maxInstances, outSize, inSize, defaultTimeout, sa)
+}
+
+func _createNamedPipe(name *uint16, flags uint32, pipeMode uint32, maxInstances uint32, outSize uint32, inSize uint32, defaultTimeout uint32, sa *syscall.SecurityAttributes) (handle syscall.Handle, err error) {
+	r0, _, e1 := syscall.Syscall9(procCreateNamedPipeW.Addr(), 8, uintptr(unsafe.Pointer(name)), uintptr(flags), uintptr(pipeMode), uintptr(maxInstances), uintptr(outSize), uintptr(inSize), uintptr(defaultTimeout), uintptr(unsafe.Pointer(sa)), 0)
+	handle = syscall.Handle(r0)
+	if handle == syscall.InvalidHandle {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getCurrentThread() (h syscall.Handle) {
+	r0, _, _ := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0)
+	h = syscall.Handle(r0)
+	return
+}
+
+func getNamedPipeHandleState(pipe syscall.Handle, state *uint32, curInstances *uint32, maxCollectionCount *uint32, collectDataTimeout *uint32, userName *uint16, maxUserNameSize uint32) (err error) {
+	r1, _, e1 := syscall.Syscall9(procGetNamedPipeHandleStateW.Addr(), 7, uintptr(pipe), uintptr(unsafe.Pointer(state)), uintptr(unsafe.Pointer(curInstances)), uintptr(unsafe.Pointer(maxCollectionCount)), uintptr(unsafe.Pointer(collectDataTimeout)), uintptr(unsafe.Pointer(userName)), uintptr(maxUserNameSize), 0, 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getNamedPipeInfo(pipe syscall.Handle, flags *uint32, outSize *uint32, inSize *uint32, maxInstances *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetNamedPipeInfo.Addr(), 5, uintptr(pipe), uintptr(unsafe.Pointer(flags)), uintptr(unsafe.Pointer(outSize)), uintptr(unsafe.Pointer(inSize)), uintptr(unsafe.Pointer(maxInstances)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func getQueuedCompletionStatus(port syscall.Handle, bytes *uint32, key *uintptr, o **ioOperation, timeout uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procGetQueuedCompletionStatus.Addr(), 5, uintptr(port), uintptr(unsafe.Pointer(bytes)), uintptr(unsafe.Pointer(key)), uintptr(unsafe.Pointer(o)), uintptr(timeout), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func localAlloc(uFlags uint32, length uint32) (ptr uintptr) {
+	r0, _, _ := syscall.Syscall(procLocalAlloc.Addr(), 2, uintptr(uFlags), uintptr(length), 0)
+	ptr = uintptr(r0)
+	return
+}
+
+func localFree(mem uintptr) {
+	syscall.Syscall(procLocalFree.Addr(), 1, uintptr(mem), 0, 0)
+	return
+}
+
+func setFileCompletionNotificationModes(h syscall.Handle, flags uint8) (err error) {
+	r1, _, e1 := syscall.Syscall(procSetFileCompletionNotificationModes.Addr(), 2, uintptr(h), uintptr(flags), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func ntCreateNamedPipeFile(pipe *syscall.Handle, access uint32, oa *objectAttributes, iosb *ioStatusBlock, share uint32, disposition uint32, options uint32, typ uint32, readMode uint32, completionMode uint32, maxInstances uint32, inboundQuota uint32, outputQuota uint32, timeout *int64) (status ntStatus) {
+	r0, _, _ := syscall.Syscall15(procNtCreateNamedPipeFile.Addr(), 14, uintptr(unsafe.Pointer(pipe)), uintptr(access), uintptr(unsafe.Pointer(oa)), uintptr(unsafe.Pointer(iosb)), uintptr(share), uintptr(disposition), uintptr(options), uintptr(typ), uintptr(readMode), uintptr(completionMode), uintptr(maxInstances), uintptr(inboundQuota), uintptr(outputQuota), uintptr(unsafe.Pointer(timeout)), 0)
+	status = ntStatus(r0)
+	return
+}
+
+func rtlDefaultNpAcl(dacl *uintptr) (status ntStatus) {
+	r0, _, _ := syscall.Syscall(procRtlDefaultNpAcl.Addr(), 1, uintptr(unsafe.Pointer(dacl)), 0, 0)
+	status = ntStatus(r0)
+	return
+}
+
+func rtlDosPathNameToNtPathName(name *uint16, ntName *unicodeString, filePart uintptr, reserved uintptr) (status ntStatus) {
+	r0, _, _ := syscall.Syscall6(procRtlDosPathNameToNtPathName_U.Addr(), 4, uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(ntName)), uintptr(filePart), uintptr(reserved), 0, 0)
+	status = ntStatus(r0)
+	return
+}
+
+func rtlNtStatusToDosError(status ntStatus) (winerr error) {
+	r0, _, _ := syscall.Syscall(procRtlNtStatusToDosErrorNoTeb.Addr(), 1, uintptr(status), 0, 0)
+	if r0 != 0 {
+		winerr = syscall.Errno(r0)
+	}
+	return
+}
+
+func wsaGetOverlappedResult(h syscall.Handle, o *syscall.Overlapped, bytes *uint32, wait bool, flags *uint32) (err error) {
+	var _p0 uint32
+	if wait {
+		_p0 = 1
+	}
+	r1, _, e1 := syscall.Syscall6(procWSAGetOverlappedResult.Addr(), 5, uintptr(h), uintptr(unsafe.Pointer(o)), uintptr(unsafe.Pointer(bytes)), uintptr(_p0), uintptr(unsafe.Pointer(flags)), 0)
+	if r1 == 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_intermediate_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_intermediate_cert.der
new file mode 100644
index 0000000..958f3cf
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_leaf_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_leaf_cert.der
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index 0000000..d281764
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_root_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/client_root_cert.der
new file mode 100644
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_intermediate_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_intermediate_cert.der
new file mode 100644
index 0000000..dae619c
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_leaf_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_leaf_cert.der
new file mode 100644
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_root_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/certverifier/testdata/server_root_cert.der
new file mode 100644
index 0000000..04b0d73
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/client_cert.der
new file mode 100644
index 0000000..d8c3710
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diff --git a/debian/extra/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.der b/debian/extra/vendor/github.com/google/s2a-go/internal/v2/remotesigner/testdata/server_cert.der
new file mode 100644
index 0000000..04b0d73
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diff --git a/debian/extra/vendor/golang.org/x/crypto/blowfish/block.go b/debian/extra/vendor/golang.org/x/crypto/blowfish/block.go
new file mode 100644
index 0000000..9d80f19
--- /dev/null
+++ b/debian/extra/vendor/golang.org/x/crypto/blowfish/block.go
@@ -0,0 +1,159 @@
+// Copyright 2010 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 blowfish
+
+// getNextWord returns the next big-endian uint32 value from the byte slice
+// at the given position in a circular manner, updating the position.
+func getNextWord(b []byte, pos *int) uint32 {
+	var w uint32
+	j := *pos
+	for i := 0; i < 4; i++ {
+		w = w<<8 | uint32(b[j])
+		j++
+		if j >= len(b) {
+			j = 0
+		}
+	}
+	*pos = j
+	return w
+}
+
+// ExpandKey performs a key expansion on the given *Cipher. Specifically, it
+// performs the Blowfish algorithm's key schedule which sets up the *Cipher's
+// pi and substitution tables for calls to Encrypt. This is used, primarily,
+// by the bcrypt package to reuse the Blowfish key schedule during its
+// set up. It's unlikely that you need to use this directly.
+func ExpandKey(key []byte, c *Cipher) {
+	j := 0
+	for i := 0; i < 18; i++ {
+		// Using inlined getNextWord for performance.
+		var d uint32
+		for k := 0; k < 4; k++ {
+			d = d<<8 | uint32(key[j])
+			j++
+			if j >= len(key) {
+				j = 0
+			}
+		}
+		c.p[i] ^= d
+	}
+
+	var l, r uint32
+	for i := 0; i < 18; i += 2 {
+		l, r = encryptBlock(l, r, c)
+		c.p[i], c.p[i+1] = l, r
+	}
+
+	for i := 0; i < 256; i += 2 {
+		l, r = encryptBlock(l, r, c)
+		c.s0[i], c.s0[i+1] = l, r
+	}
+	for i := 0; i < 256; i += 2 {
+		l, r = encryptBlock(l, r, c)
+		c.s1[i], c.s1[i+1] = l, r
+	}
+	for i := 0; i < 256; i += 2 {
+		l, r = encryptBlock(l, r, c)
+		c.s2[i], c.s2[i+1] = l, r
+	}
+	for i := 0; i < 256; i += 2 {
+		l, r = encryptBlock(l, r, c)
+		c.s3[i], c.s3[i+1] = l, r
+	}
+}
+
+// This is similar to ExpandKey, but folds the salt during the key
+// schedule. While ExpandKey is essentially expandKeyWithSalt with an all-zero
+// salt passed in, reusing ExpandKey turns out to be a place of inefficiency
+// and specializing it here is useful.
+func expandKeyWithSalt(key []byte, salt []byte, c *Cipher) {
+	j := 0
+	for i := 0; i < 18; i++ {
+		c.p[i] ^= getNextWord(key, &j)
+	}
+
+	j = 0
+	var l, r uint32
+	for i := 0; i < 18; i += 2 {
+		l ^= getNextWord(salt, &j)
+		r ^= getNextWord(salt, &j)
+		l, r = encryptBlock(l, r, c)
+		c.p[i], c.p[i+1] = l, r
+	}
+
+	for i := 0; i < 256; i += 2 {
+		l ^= getNextWord(salt, &j)
+		r ^= getNextWord(salt, &j)
+		l, r = encryptBlock(l, r, c)
+		c.s0[i], c.s0[i+1] = l, r
+	}
+
+	for i := 0; i < 256; i += 2 {
+		l ^= getNextWord(salt, &j)
+		r ^= getNextWord(salt, &j)
+		l, r = encryptBlock(l, r, c)
+		c.s1[i], c.s1[i+1] = l, r
+	}
+
+	for i := 0; i < 256; i += 2 {
+		l ^= getNextWord(salt, &j)
+		r ^= getNextWord(salt, &j)
+		l, r = encryptBlock(l, r, c)
+		c.s2[i], c.s2[i+1] = l, r
+	}
+
+	for i := 0; i < 256; i += 2 {
+		l ^= getNextWord(salt, &j)
+		r ^= getNextWord(salt, &j)
+		l, r = encryptBlock(l, r, c)
+		c.s3[i], c.s3[i+1] = l, r
+	}
+}
+
+func encryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
+	xl, xr := l, r
+	xl ^= c.p[0]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[1]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[2]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[3]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[4]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[5]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[6]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[7]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[8]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[9]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[10]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[11]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[12]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[13]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[14]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[15]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[16]
+	xr ^= c.p[17]
+	return xr, xl
+}
+
+func decryptBlock(l, r uint32, c *Cipher) (uint32, uint32) {
+	xl, xr := l, r
+	xl ^= c.p[17]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[16]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[15]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[14]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[13]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[12]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[11]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[10]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[9]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[8]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[7]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[6]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[5]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[4]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[3]
+	xr ^= ((c.s0[byte(xl>>24)] + c.s1[byte(xl>>16)]) ^ c.s2[byte(xl>>8)]) + c.s3[byte(xl)] ^ c.p[2]
+	xl ^= ((c.s0[byte(xr>>24)] + c.s1[byte(xr>>16)]) ^ c.s2[byte(xr>>8)]) + c.s3[byte(xr)] ^ c.p[1]
+	xr ^= c.p[0]
+	return xr, xl
+}
diff --git a/debian/extra/vendor/golang.org/x/crypto/blowfish/cipher.go b/debian/extra/vendor/golang.org/x/crypto/blowfish/cipher.go
new file mode 100644
index 0000000..213bf20
--- /dev/null
+++ b/debian/extra/vendor/golang.org/x/crypto/blowfish/cipher.go
@@ -0,0 +1,99 @@
+// Copyright 2010 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 blowfish implements Bruce Schneier's Blowfish encryption algorithm.
+//
+// Blowfish is a legacy cipher and its short block size makes it vulnerable to
+// birthday bound attacks (see https://sweet32.info). It should only be used
+// where compatibility with legacy systems, not security, is the goal.
+//
+// Deprecated: any new system should use AES (from crypto/aes, if necessary in
+// an AEAD mode like crypto/cipher.NewGCM) or XChaCha20-Poly1305 (from
+// golang.org/x/crypto/chacha20poly1305).
+package blowfish // import "golang.org/x/crypto/blowfish"
+
+// The code is a port of Bruce Schneier's C implementation.
+// See https://www.schneier.com/blowfish.html.
+
+import "strconv"
+
+// The Blowfish block size in bytes.
+const BlockSize = 8
+
+// A Cipher is an instance of Blowfish encryption using a particular key.
+type Cipher struct {
+	p              [18]uint32
+	s0, s1, s2, s3 [256]uint32
+}
+
+type KeySizeError int
+
+func (k KeySizeError) Error() string {
+	return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
+}
+
+// NewCipher creates and returns a Cipher.
+// The key argument should be the Blowfish key, from 1 to 56 bytes.
+func NewCipher(key []byte) (*Cipher, error) {
+	var result Cipher
+	if k := len(key); k < 1 || k > 56 {
+		return nil, KeySizeError(k)
+	}
+	initCipher(&result)
+	ExpandKey(key, &result)
+	return &result, nil
+}
+
+// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
+// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
+// sufficient and desirable. For bcrypt compatibility, the key can be over 56
+// bytes.
+func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
+	if len(salt) == 0 {
+		return NewCipher(key)
+	}
+	var result Cipher
+	if k := len(key); k < 1 {
+		return nil, KeySizeError(k)
+	}
+	initCipher(&result)
+	expandKeyWithSalt(key, salt, &result)
+	return &result, nil
+}