Add 1.30.0 to the version roaster

Env config

.github/workflows/lint.yml

@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: bufbuild/buf-setup-action@v0.7.0
+      - uses: bufbuild/buf-setup-action@v1.7.0
       - uses: bufbuild/buf-lint-action@v1
         with:
           input: "proto"

.github/workflows/test-integration.yml

@@ -11,6 +11,11 @@ jobs:
         with:
           fetch-depth: 2
 
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 10
+
       - name: Get changed files
         id: changed-files
         uses: tj-actions/changed-files@v14.1
@@ -25,6 +30,29 @@ jobs:
       - uses: cachix/install-nix-action@v16
         if: steps.changed-files.outputs.any_changed == 'true'
 
-      - name: Run Integration tests
+      - name: Run CLI integration tests
         if: steps.changed-files.outputs.any_changed == 'true'
-        run: nix develop --command -- make test_integration
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 240
+          max_attempts: 5
+          retry_on: error
+          command: nix develop --command -- make test_integration_cli
+
+      - name: Run Embedded DERP server integration tests
+        if: steps.changed-files.outputs.any_changed == 'true'
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 240
+          max_attempts: 5
+          retry_on: error
+          command: nix develop --command -- make test_integration_derp
+
+      - name: Run general integration tests
+        if: steps.changed-files.outputs.any_changed == 'true'
+        uses: nick-fields/retry@v2
+        with:
+          timeout_minutes: 240
+          max_attempts: 5
+          retry_on: error
+          command: nix develop --command -- make test_integration_general

CHANGELOG.md

@@ -1,6 +1,41 @@
 # CHANGELOG
 
-## 0.16.0 (2022-xx-xx)
+## 0.17.0 (2022-XX-XX)
+
+- Added support for Tailscale TS2021 protocol [#738](https://github.com/juanfont/headscale/pull/738)
+- Add ability to specify config location via env var `HEADSCALE_CONFIG` [#674](https://github.com/juanfont/headscale/issues/674)
+
+## 0.16.4 (2022-08-21)
+
+### Changes
+
+- Add ability to connect to PostgreSQL over TLS/SSL [#745](https://github.com/juanfont/headscale/pull/745)
+- Fix CLI registration of expired machines [#754](https://github.com/juanfont/headscale/pull/754)
+
+## 0.16.3 (2022-08-17)
+
+### Changes
+
+- Fix issue with OIDC authentication [#747](https://github.com/juanfont/headscale/pull/747)
+
+## 0.16.2 (2022-08-14)
+
+### Changes
+
+- Fixed bugs in the client registration process after migration to NodeKey [#735](https://github.com/juanfont/headscale/pull/735)
+
+## 0.16.1 (2022-08-12)
+
+### Changes
+
+- Updated dependencies (including the library that lacked armhf support) [#722](https://github.com/juanfont/headscale/pull/722)
+- Fix missing group expansion in function `excludeCorretlyTaggedNodes` [#563](https://github.com/juanfont/headscale/issues/563)
+- Improve registration protocol implementation and switch to NodeKey as main identifier [#725](https://github.com/juanfont/headscale/pull/725)
+- Add ability to connect to PostgreSQL via unix socket [#734](https://github.com/juanfont/headscale/pull/734)
+
+## 0.16.0 (2022-07-25)
+
+**Note:** Take a backup of your database before upgrading.
 
 ### BREAKING
 
@@ -30,11 +65,12 @@
 - Add -c option to specify config file from command line [#285](https://github.com/juanfont/headscale/issues/285) [#612](https://github.com/juanfont/headscale/pull/601)
 - Add configuration option to allow Tailscale clients to use a random WireGuard port. [kb/1181/firewalls](https://tailscale.com/kb/1181/firewalls) [#624](https://github.com/juanfont/headscale/pull/624)
 - Improve obtuse UX regarding missing configuration (`ephemeral_node_inactivity_timeout` not set) [#639](https://github.com/juanfont/headscale/pull/639)
-- Fix nodes being shown as 'offline' in `tailscale status` [648](https://github.com/juanfont/headscale/pull/648)
 - Fix nodes being shown as 'offline' in `tailscale status` [#648](https://github.com/juanfont/headscale/pull/648)
 - Improve shutdown behaviour [#651](https://github.com/juanfont/headscale/pull/651)
-- Drop Gin as web framework in Headscale [648](https://github.com/juanfont/headscale/pull/648)
-
+- Drop Gin as web framework in Headscale [648](https://github.com/juanfont/headscale/pull/648) [677](https://github.com/juanfont/headscale/pull/677)
+- Make tailnet node updates check interval configurable [#675](https://github.com/juanfont/headscale/pull/675)
+- Fix regression with HTTP API [#684](https://github.com/juanfont/headscale/pull/684)
+- nodes ls now print both Hostname and Name(Issue [#647](https://github.com/juanfont/headscale/issues/647) PR [#687](https://github.com/juanfont/headscale/pull/687))
 
 ## 0.15.0 (2022-03-20)
 
@@ -105,7 +141,7 @@ This is a part of aligning `headscale`'s behaviour with Tailscale's upstream beh
 - OpenID Connect users will be mapped per namespaces
   - Each user will get its own namespace, created if it does not exist
   - `oidc.domain_map` option has been removed
-  - `strip_email_domain` option has been added (see [config-example.yaml](./config_example.yaml))
+  - `strip_email_domain` option has been added (see [config-example.yaml](./config-example.yaml))
 
 ### Changes
 

CODE_OF_CONDUCT.md

@@ -0,0 +1,134 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation
+in our community a harassment-free experience for everyone, regardless
+of age, body size, visible or invisible disability, ethnicity, sex
+characteristics, gender identity and expression, level of experience,
+education, socio-economic status, nationality, personal appearance,
+race, religion, or sexual identity and orientation.
+
+We pledge to act and interact in ways that contribute to an open,
+welcoming, diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment for
+our community include:
+
+- Demonstrating empathy and kindness toward other people
+- Being respectful of differing opinions, viewpoints, and experiences
+- Giving and gracefully accepting constructive feedback
+- Accepting responsibility and apologizing to those affected by our
+  mistakes, and learning from the experience
+- Focusing on what is best not just for us as individuals, but for the
+  overall community
+
+Examples of unacceptable behavior include:
+
+- The use of sexualized language or imagery, and sexual attention or
+  advances of any kind
+- Trolling, insulting or derogatory comments, and personal or
+  political attacks
+- Public or private harassment
+- Publishing others' private information, such as a physical or email
+  address, without their explicit permission
+- Other conduct which could reasonably be considered inappropriate in
+  a professional setting
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our
+standards of acceptable behavior and will take appropriate and fair
+corrective action in response to any behavior that they deem
+inappropriate, threatening, offensive, or harmful.
+
+Community leaders have the right and responsibility to remove, edit,
+or reject comments, commits, code, wiki edits, issues, and other
+contributions that are not aligned to this Code of Conduct, and will
+communicate reasons for moderation decisions when appropriate.
+
+## Scope
+
+This Code of Conduct applies within all community spaces, and also
+applies when an individual is officially representing the community in
+public spaces. Examples of representing our community include using an
+official e-mail address, posting via an official social media account,
+or acting as an appointed representative at an online or offline
+event.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior
+may be reported to the community leaders responsible for enforcement
+at our Discord channel. All complaints
+will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and
+security of the reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these Community Impact Guidelines in
+determining the consequences for any action they deem in violation of
+this Code of Conduct:
+
+### 1. Correction
+
+**Community Impact**: Use of inappropriate language or other behavior
+deemed unprofessional or unwelcome in the community.
+
+**Consequence**: A private, written warning from community leaders,
+providing clarity around the nature of the violation and an
+explanation of why the behavior was inappropriate. A public apology
+may be requested.
+
+### 2. Warning
+
+**Community Impact**: A violation through a single incident or series
+of actions.
+
+**Consequence**: A warning with consequences for continued
+behavior. No interaction with the people involved, including
+unsolicited interaction with those enforcing the Code of Conduct, for
+a specified period of time. This includes avoiding interactions in
+community spaces as well as external channels like social
+media. Violating these terms may lead to a temporary or permanent ban.
+
+### 3. Temporary Ban
+
+**Community Impact**: A serious violation of community standards,
+including sustained inappropriate behavior.
+
+**Consequence**: A temporary ban from any sort of interaction or
+public communication with the community for a specified period of
+time. No public or private interaction with the people involved,
+including unsolicited interaction with those enforcing the Code of
+Conduct, is allowed during this period. Violating these terms may lead
+to a permanent ban.
+
+### 4. Permanent Ban
+
+**Community Impact**: Demonstrating a pattern of violation of
+community standards, including sustained inappropriate behavior,
+harassment of an individual, or aggression toward or disparagement of
+classes of individuals.
+
+**Consequence**: A permanent ban from any sort of public interaction
+within the community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor
+Covenant][homepage], version 2.0, available at
+https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
+
+Community Impact Guidelines were inspired by [Mozilla's code of
+conduct enforcement ladder](https://github.com/mozilla/diversity).
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see the
+FAQ at https://www.contributor-covenant.org/faq. Translations are
+available at https://www.contributor-covenant.org/translations.

Dockerfile.tailscale-HEAD

@@ -7,7 +7,9 @@ RUN apt-get update \
 
 RUN git clone https://github.com/tailscale/tailscale.git
 
-WORKDIR tailscale
+WORKDIR /go/tailscale
+
+RUN git checkout main
 
 RUN sh build_dist.sh tailscale.com/cmd/tailscale
 RUN sh build_dist.sh tailscale.com/cmd/tailscaled

Makefile

@@ -24,14 +24,16 @@ dev: lint test build
 test:
 	@go test -coverprofile=coverage.out ./...
 
-test_integration:
-	go test -failfast -tags integration -timeout 30m -count=1 ./...
+test_integration: test_integration_cli test_integration_derp test_integration_general
 
 test_integration_cli:
-	go test -tags integration -v integration_cli_test.go integration_common_test.go
+	go test -failfast -tags integration_cli,integration -timeout 30m -count=1 ./...
 
 test_integration_derp:
-	go test -tags integration -v integration_embedded_derp_test.go integration_common_test.go
+	go test -failfast -tags integration_derp,integration -timeout 30m -count=1 ./...
+
+test_integration_general:
+	go test -failfast -tags integration_general,integration -timeout 30m -count=1 ./...
 
 coverprofile_func:
 	go tool cover -func=coverage.out

README.md

@@ -67,15 +67,15 @@ one of the maintainers.
 
 ## Client OS support
 
-| OS      | Supports headscale                                                                                                |
-| ------- | ----------------------------------------------------------------------------------------------------------------- |
-| Linux   | Yes                                                                                                               |
-| OpenBSD | Yes                                                                                                               |
-| FreeBSD | Yes                                                                                                               |
-| macOS   | Yes (see `/apple` on your headscale for more information)                                                         |
-| Windows | Yes [docs](./docs/windows-client.md)                                                                              |
-| Android | [You need to compile the client yourself](https://github.com/juanfont/headscale/issues/58#issuecomment-885255270) |
-| iOS     | Not yet                                                                                                           |
+| OS      | Supports headscale                                        |
+| ------- | --------------------------------------------------------- |
+| Linux   | Yes                                                       |
+| OpenBSD | Yes                                                       |
+| FreeBSD | Yes                                                       |
+| macOS   | Yes (see `/apple` on your headscale for more information) |
+| Windows | Yes [docs](./docs/windows-client.md)                      |
+| Android | Yes [docs](./docs/android-client.md)                      |
+| iOS     | Not yet                                                   |
 
 ## Running headscale
 
@@ -188,13 +188,6 @@ make build
             <sub style="font-size:14px"><b>Ward Vandewege</b></sub>
         </a>
     </td>
-    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/reynico>
-            <img src=https://avatars.githubusercontent.com/u/715768?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Nico/>
-            <br />
-            <sub style="font-size:14px"><b>Nico</b></sub>
-        </a>
-    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/huskyii>
             <img src=https://avatars.githubusercontent.com/u/5499746?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jiang Zhu/>
@@ -202,6 +195,13 @@ make build
             <sub style="font-size:14px"><b>Jiang Zhu</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/reynico>
+            <img src=https://avatars.githubusercontent.com/u/715768?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Nico/>
+            <br />
+            <sub style="font-size:14px"><b>Nico</b></sub>
+        </a>
+    </td>
 </tr>
 <tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -232,13 +232,6 @@ make build
             <sub style="font-size:14px"><b>unreality</b></sub>
         </a>
     </td>
-    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/mpldr>
-            <img src=https://avatars.githubusercontent.com/u/33086936?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Moritz Poldrack/>
-            <br />
-            <sub style="font-size:14px"><b>Moritz Poldrack</b></sub>
-        </a>
-    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/ohdearaugustin>
             <img src=https://avatars.githubusercontent.com/u/14001491?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ohdearaugustin/>
@@ -246,8 +239,22 @@ make build
             <sub style="font-size:14px"><b>ohdearaugustin</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/mpldr>
+            <img src=https://avatars.githubusercontent.com/u/33086936?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Moritz Poldrack/>
+            <br />
+            <sub style="font-size:14px"><b>Moritz Poldrack</b></sub>
+        </a>
+    </td>
 </tr>
 <tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/GrigoriyMikhalkin>
+            <img src=https://avatars.githubusercontent.com/u/3637857?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=GrigoriyMikhalkin/>
+            <br />
+            <sub style="font-size:14px"><b>GrigoriyMikhalkin</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/Niek>
             <img src=https://avatars.githubusercontent.com/u/213140?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Niek van der Maas/>
@@ -263,10 +270,10 @@ make build
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
-        <a href=https://github.com/qbit>
-            <img src=https://avatars.githubusercontent.com/u/68368?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Aaron Bieber/>
+        <a href=https://github.com/617a7a>
+            <img src=https://avatars.githubusercontent.com/u/67651251?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Azz/>
             <br />
-            <sub style="font-size:14px"><b>Aaron Bieber</b></sub>
+            <sub style="font-size:14px"><b>Azz</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -276,6 +283,22 @@ make build
             <sub style="font-size:14px"><b>Anton Schubert</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/qbit>
+            <img src=https://avatars.githubusercontent.com/u/68368?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Aaron Bieber/>
+            <br />
+            <sub style="font-size:14px"><b>Aaron Bieber</b></sub>
+        </a>
+    </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/Aluxima>
+            <img src=https://avatars.githubusercontent.com/u/16262531?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Laurent Marchaud/>
+            <br />
+            <sub style="font-size:14px"><b>Laurent Marchaud</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/fdelucchijr>
             <img src=https://avatars.githubusercontent.com/u/69133647?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Fernando De Lucchi/>
@@ -290,8 +313,6 @@ make build
             <sub style="font-size:14px"><b>Hoàng Đức Hiếu</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/bravechamp>
             <img src=https://avatars.githubusercontent.com/u/48980452?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=bravechamp/>
@@ -313,6 +334,8 @@ make build
             <sub style="font-size:14px"><b>ChibangLW</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/mevansam>
             <img src=https://avatars.githubusercontent.com/u/403630?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Mevan Samaratunga/>
@@ -334,8 +357,6 @@ make build
             <sub style="font-size:14px"><b>Paul Tötterman</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/samson4649>
             <img src=https://avatars.githubusercontent.com/u/12725953?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Samuel Lock/>
@@ -357,6 +378,8 @@ make build
             <sub style="font-size:14px"><b>Artem Klevtsov</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/cmars>
             <img src=https://avatars.githubusercontent.com/u/23741?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Casey Marshall/>
@@ -378,8 +401,13 @@ make build
             <sub style="font-size:14px"><b>Silver Bullet</b></sub>
         </a>
     </td>
-</tr>
-<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/vtrf>
+            <img src=https://avatars.githubusercontent.com/u/25647735?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Victor Freire/>
+            <br />
+            <sub style="font-size:14px"><b>Victor Freire</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/lachy2849>
             <img src=https://avatars.githubusercontent.com/u/98844035?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=lachy2849/>
@@ -394,6 +422,8 @@ make build
             <sub style="font-size:14px"><b>thomas</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/aberoham>
             <img src=https://avatars.githubusercontent.com/u/586805?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Abraham Ingersoll/>
@@ -422,8 +452,6 @@ make build
             <sub style="font-size:14px"><b>Arthur Woimbée</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/stensonb>
             <img src=https://avatars.githubusercontent.com/u/933389?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Bryan Stenson/>
@@ -438,6 +466,8 @@ make build
             <sub style="font-size:14px"><b> Carson Yang</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/kundel>
             <img src=https://avatars.githubusercontent.com/u/10158899?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=kundel/>
@@ -466,8 +496,6 @@ make build
             <sub style="font-size:14px"><b>JJGadgets</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/madjam002>
             <img src=https://avatars.githubusercontent.com/u/679137?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Jamie Greeff/>
@@ -482,6 +510,8 @@ make build
             <sub style="font-size:14px"><b>Jim Tittsler</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/piec>
             <img src=https://avatars.githubusercontent.com/u/781471?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Pierre Carru/>
@@ -489,6 +519,13 @@ make build
             <sub style="font-size:14px"><b>Pierre Carru</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/nnsee>
+            <img src=https://avatars.githubusercontent.com/u/36747857?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Rasmus Moorats/>
+            <br />
+            <sub style="font-size:14px"><b>Rasmus Moorats</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/rcursaru>
             <img src=https://avatars.githubusercontent.com/u/16259641?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=rcursaru/>
@@ -510,8 +547,6 @@ make build
             <sub style="font-size:14px"><b>Ryan Fowler</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/shaananc>
             <img src=https://avatars.githubusercontent.com/u/2287839?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Shaanan Cohney/>
@@ -519,6 +554,15 @@ make build
             <sub style="font-size:14px"><b>Shaanan Cohney</b></sub>
         </a>
     </td>
+</tr>
+<tr>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/sophware>
+            <img src=https://avatars.githubusercontent.com/u/41669?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=sophware/>
+            <br />
+            <sub style="font-size:14px"><b>sophware</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/m-tanner-dev0>
             <img src=https://avatars.githubusercontent.com/u/97977342?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Tanner/>
@@ -563,6 +607,13 @@ make build
             <sub style="font-size:14px"><b>Yang Bin</b></sub>
         </a>
     </td>
+    <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
+        <a href=https://github.com/gozssky>
+            <img src=https://avatars.githubusercontent.com/u/17199941?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Yujie Xia/>
+            <br />
+            <sub style="font-size:14px"><b>Yujie Xia</b></sub>
+        </a>
+    </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/zekker6>
             <img src=https://avatars.githubusercontent.com/u/1367798?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Zakhar Bessarab/>
@@ -572,9 +623,9 @@ make build
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/Bpazy>
-            <img src=https://avatars.githubusercontent.com/u/9838749?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ZiYuan/>
+            <img src=https://avatars.githubusercontent.com/u/9838749?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=Ziyuan Han/>
             <br />
-            <sub style="font-size:14px"><b>ZiYuan</b></sub>
+            <sub style="font-size:14px"><b>Ziyuan Han</b></sub>
         </a>
     </td>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
@@ -591,6 +642,8 @@ make build
             <sub style="font-size:14px"><b>henning mueller</b></sub>
         </a>
     </td>
+</tr>
+<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/ignoramous>
             <img src=https://avatars.githubusercontent.com/u/852289?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=ignoramous/>
@@ -598,8 +651,6 @@ make build
             <sub style="font-size:14px"><b>ignoramous</b></sub>
         </a>
     </td>
-</tr>
-<tr>
     <td align="center" style="word-wrap: break-word; width: 150.0; height: 150.0">
         <a href=https://github.com/lion24>
             <img src=https://avatars.githubusercontent.com/u/1382102?v=4 width="100;"  style="border-radius:50%;align-items:center;justify-content:center;overflow:hidden;padding-top:10px" alt=lion24/>

acls.go

@@ -162,7 +162,12 @@ func (h *Headscale) generateACLRules() ([]tailcfg.FilterRule, error) {
 
 		destPorts := []tailcfg.NetPortRange{}
 		for innerIndex, dest := range acl.Destinations {
-			dests, err := h.generateACLPolicyDest(machines, *h.aclPolicy, dest, needsWildcard)
+			dests, err := h.generateACLPolicyDest(
+				machines,
+				*h.aclPolicy,
+				dest,
+				needsWildcard,
+			)
 			if err != nil {
 				log.Error().
 					Msgf("Error parsing ACL %d, Destination %d", index, innerIndex)
@@ -255,7 +260,12 @@ func (h *Headscale) generateACLPolicyDest(
 func parseProtocol(protocol string) ([]int, bool, error) {
 	switch protocol {
 	case "":
-		return []int{protocolICMP, protocolIPv6ICMP, protocolTCP, protocolUDP}, false, nil
+		return []int{
+			protocolICMP,
+			protocolIPv6ICMP,
+			protocolTCP,
+			protocolUDP,
+		}, false, nil
 	case "igmp":
 		return []int{protocolIGMP}, true, nil
 	case "ipv4", "ip-in-ip":
@@ -284,7 +294,9 @@ func parseProtocol(protocol string) ([]int, bool, error) {
 		if err != nil {
 			return nil, false, err
 		}
-		needsWildcard := protocolNumber != protocolTCP && protocolNumber != protocolUDP && protocolNumber != protocolSCTP
+		needsWildcard := protocolNumber != protocolTCP &&
+			protocolNumber != protocolUDP &&
+			protocolNumber != protocolSCTP
 
 		return []int{protocolNumber}, needsWildcard, nil
 	}
@@ -367,7 +379,7 @@ func expandAlias(
 
 	// if alias is a namespace
 	nodes := filterMachinesByNamespace(machines, alias)
-	nodes = excludeCorrectlyTaggedNodes(aclPolicy, nodes, alias)
+	nodes = excludeCorrectlyTaggedNodes(aclPolicy, nodes, alias, stripEmailDomain)
 
 	for _, n := range nodes {
 		ips = append(ips, n.IPAddresses.ToStringSlice()...)
@@ -405,10 +417,13 @@ func excludeCorrectlyTaggedNodes(
 	aclPolicy ACLPolicy,
 	nodes []Machine,
 	namespace string,
+	stripEmailDomain bool,
 ) []Machine {
 	out := []Machine{}
 	tags := []string{}
-	for tag, ns := range aclPolicy.TagOwners {
+	for tag := range aclPolicy.TagOwners {
+		owners, _ := expandTagOwners(aclPolicy, namespace, stripEmailDomain)
+		ns := append(owners, namespace)
 		if contains(ns, namespace) {
 			tags = append(tags, tag)
 		}

acls_test.go

@@ -62,7 +62,11 @@ func (s *Suite) TestBasicRule(c *check.C) {
 func (s *Suite) TestInvalidAction(c *check.C) {
 	app.aclPolicy = &ACLPolicy{
 		ACLs: []ACL{
-			{Action: "invalidAction", Sources: []string{"*"}, Destinations: []string{"*:*"}},
+			{
+				Action:       "invalidAction",
+				Sources:      []string{"*"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err := app.UpdateACLRules()
@@ -77,7 +81,11 @@ func (s *Suite) TestInvalidGroupInGroup(c *check.C) {
 			"group:error": []string{"foo", "group:test"},
 		},
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"group:error"}, Destinations: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"group:error"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err := app.UpdateACLRules()
@@ -88,7 +96,11 @@ func (s *Suite) TestInvalidTagOwners(c *check.C) {
 	// this ACL is wrong because no tagOwners own the requested tag for the server
 	app.aclPolicy = &ACLPolicy{
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"tag:foo"}, Destinations: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"tag:foo"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err := app.UpdateACLRules()
@@ -131,7 +143,11 @@ func (s *Suite) TestValidExpandTagOwnersInSources(c *check.C) {
 		Groups:    Groups{"group:test": []string{"user1", "user2"}},
 		TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"tag:test"}, Destinations: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"tag:test"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -177,7 +193,11 @@ func (s *Suite) TestValidExpandTagOwnersInDestinations(c *check.C) {
 		Groups:    Groups{"group:test": []string{"user1", "user2"}},
 		TagOwners: TagOwners{"tag:test": []string{"user3", "group:test"}},
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"*"}, Destinations: []string{"tag:test:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"*"},
+				Destinations: []string{"tag:test:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -222,7 +242,11 @@ func (s *Suite) TestInvalidTagValidNamespace(c *check.C) {
 	app.aclPolicy = &ACLPolicy{
 		TagOwners: TagOwners{"tag:test": []string{"user1"}},
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"user1"}, Destinations: []string{"*:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"user1"},
+				Destinations: []string{"*:*"},
+			},
 		},
 	}
 	err = app.UpdateACLRules()
@@ -1201,9 +1225,10 @@ func Test_expandAlias(t *testing.T) {
 
 func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 	type args struct {
-		aclPolicy ACLPolicy
-		nodes     []Machine
-		namespace string
+		aclPolicy        ACLPolicy
+		nodes            []Machine
+		namespace        string
+		stripEmailDomain bool
 	}
 	tests := []struct {
 		name    string
@@ -1247,7 +1272,59 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 						Namespace: Namespace{Name: "joe"},
 					},
 				},
-				namespace: "joe",
+				namespace:        "joe",
+				stripEmailDomain: true,
+			},
+			want: []Machine{
+				{
+					IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.4")},
+					Namespace:   Namespace{Name: "joe"},
+				},
+			},
+		},
+		{
+			name: "exclude nodes with valid tags, and owner is in a group",
+			args: args{
+				aclPolicy: ACLPolicy{
+					Groups: Groups{
+						"group:accountant": []string{"joe", "bar"},
+					},
+					TagOwners: TagOwners{
+						"tag:accountant-webserver": []string{"group:accountant"},
+					},
+				},
+				nodes: []Machine{
+					{
+						IPAddresses: MachineAddresses{
+							netaddr.MustParseIP("100.64.0.1"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:accountant-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netaddr.MustParseIP("100.64.0.2"),
+						},
+						Namespace: Namespace{Name: "joe"},
+						HostInfo: HostInfo{
+							OS:          "centos",
+							Hostname:    "foo",
+							RequestTags: []string{"tag:accountant-webserver"},
+						},
+					},
+					{
+						IPAddresses: MachineAddresses{
+							netaddr.MustParseIP("100.64.0.4"),
+						},
+						Namespace: Namespace{Name: "joe"},
+					},
+				},
+				namespace:        "joe",
+				stripEmailDomain: true,
 			},
 			want: []Machine{
 				{
@@ -1288,7 +1365,8 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 						Namespace: Namespace{Name: "joe"},
 					},
 				},
-				namespace: "joe",
+				namespace:        "joe",
+				stripEmailDomain: true,
 			},
 			want: []Machine{
 				{
@@ -1333,7 +1411,8 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 						Namespace: Namespace{Name: "joe"},
 					},
 				},
-				namespace: "joe",
+				namespace:        "joe",
+				stripEmailDomain: true,
 			},
 			want: []Machine{
 				{
@@ -1373,6 +1452,7 @@ func Test_excludeCorrectlyTaggedNodes(t *testing.T) {
 				test.args.aclPolicy,
 				test.args.nodes,
 				test.args.namespace,
+				test.args.stripEmailDomain,
 			)
 			if !reflect.DeepEqual(got, test.want) {
 				t.Errorf("excludeCorrectlyTaggedNodes() = %v, want %v", got, test.want)

acls_types.go

@@ -21,9 +21,9 @@ type ACLPolicy struct {
 // ACL is a basic rule for the ACL Policy.
 type ACL struct {
 	Action       string   `json:"action" yaml:"action"`
-	Protocol     string   `json:"proto" yaml:"proto"`
-	Sources      []string `json:"src"  yaml:"src"`
-	Destinations []string `json:"dst"  yaml:"dst"`
+	Protocol     string   `json:"proto"  yaml:"proto"`
+	Sources      []string `json:"src"    yaml:"src"`
+	Destinations []string `json:"dst"    yaml:"dst"`
 }
 
 // Groups references a series of alias in the ACL rules.
@@ -37,8 +37,8 @@ type TagOwners map[string][]string
 
 // ACLTest is not implemented, but should be use to check if a certain rule is allowed.
 type ACLTest struct {
-	Source string   `json:"src"           yaml:"src"`
-	Accept []string `json:"accept"          yaml:"accept"`
+	Source string   `json:"src"            yaml:"src"`
+	Accept []string `json:"accept"         yaml:"accept"`
 	Deny   []string `json:"deny,omitempty" yaml:"deny,omitempty"`
 }
 

api.go

@@ -2,25 +2,18 @@ package headscale
 
 import (
 	"bytes"
-	"encoding/binary"
 	"encoding/json"
-	"errors"
-	"fmt"
 	"html/template"
-	"io"
 	"net/http"
-	"strings"
 	"time"
 
 	"github.com/gorilla/mux"
-	"github.com/klauspost/compress/zstd"
 	"github.com/rs/zerolog/log"
-	"gorm.io/gorm"
-	"tailscale.com/tailcfg"
-	"tailscale.com/types/key"
 )
 
 const (
+	// TODO(juan): remove this once https://github.com/juanfont/headscale/issues/727 is fixed.
+	registrationHoldoff                      = time.Second * 5
 	reservedResponseHeaderSize               = 4
 	RegisterMethodAuthKey                    = "authkey"
 	RegisterMethodOIDC                       = "oidc"
@@ -30,21 +23,42 @@ const (
 	)
 )
 
-// KeyHandler provides the Headscale pub key
-// Listens in /key.
-func (h *Headscale) KeyHandler(
+func (h *Headscale) HealthHandler(
 	writer http.ResponseWriter,
 	req *http.Request,
 ) {
-	writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err := writer.Write([]byte(MachinePublicKeyStripPrefix(h.privateKey.Public())))
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
+	respond := func(err error) {
+		writer.Header().Set("Content-Type", "application/health+json; charset=utf-8")
+
+		res := struct {
+			Status string `json:"status"`
+		}{
+			Status: "pass",
+		}
+
+		if err != nil {
+			writer.WriteHeader(http.StatusInternalServerError)
+			log.Error().Caller().Err(err).Msg("health check failed")
+			res.Status = "fail"
+		}
+
+		buf, err := json.Marshal(res)
+		if err != nil {
+			log.Error().Caller().Err(err).Msg("marshal failed")
+		}
+		_, err = writer.Write(buf)
+		if err != nil {
+			log.Error().Caller().Err(err).Msg("write failed")
+		}
 	}
+
+	if err := h.pingDB(); err != nil {
+		respond(err)
+
+		return
+	}
+
+	respond(nil)
 }
 
 type registerWebAPITemplateConfig struct {
@@ -69,13 +83,17 @@ var registerWebAPITemplate = template.Must(
 `))
 
 // RegisterWebAPI shows a simple message in the browser to point to the CLI
-// Listens in /register.
+// Listens in /register/:nkey.
+//
+// This is not part of the Tailscale control API, as we could send whatever URL
+// in the RegisterResponse.AuthURL field.
 func (h *Headscale) RegisterWebAPI(
 	writer http.ResponseWriter,
 	req *http.Request,
 ) {
-	machineKeyStr := req.URL.Query().Get("key")
-	if machineKeyStr == "" {
+	vars := mux.Vars(req)
+	nodeKeyStr, ok := vars["nkey"]
+	if !ok || nodeKeyStr == "" {
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
 		_, err := writer.Write([]byte("Wrong params"))
@@ -91,7 +109,7 @@ func (h *Headscale) RegisterWebAPI(
 
 	var content bytes.Buffer
 	if err := registerWebAPITemplate.Execute(&content, registerWebAPITemplateConfig{
-		Key: machineKeyStr,
+		Key: nodeKeyStr,
 	}); err != nil {
 		log.Error().
 			Str("func", "RegisterWebAPI").
@@ -120,708 +138,3 @@ func (h *Headscale) RegisterWebAPI(
 			Msg("Failed to write response")
 	}
 }
-
-// RegistrationHandler handles the actual registration process of a machine
-// Endpoint /machine/:mkey.
-func (h *Headscale) RegistrationHandler(
-	writer http.ResponseWriter,
-	req *http.Request,
-) {
-	vars := mux.Vars(req)
-	machineKeyStr, ok := vars["mkey"]
-	if !ok || machineKeyStr == "" {
-		log.Error().
-			Str("handler", "RegistrationHandler").
-			Msg("No machine ID in request")
-		http.Error(writer, "No machine ID in request", http.StatusBadRequest)
-
-		return
-	}
-
-	body, _ := io.ReadAll(req.Body)
-
-	var machineKey key.MachinePublic
-	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot parse machine key")
-		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
-		http.Error(writer, "Cannot parse machine key", http.StatusBadRequest)
-
-		return
-	}
-	registerRequest := tailcfg.RegisterRequest{}
-	err = decode(body, &registerRequest, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot decode message")
-		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
-		http.Error(writer, "Cannot decode message", http.StatusBadRequest)
-
-		return
-	}
-
-	now := time.Now().UTC()
-	machine, err := h.GetMachineByMachineKey(machineKey)
-	if errors.Is(err, gorm.ErrRecordNotFound) {
-		log.Info().Str("machine", registerRequest.Hostinfo.Hostname).Msg("New machine")
-
-		machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
-
-		// If the machine has AuthKey set, handle registration via PreAuthKeys
-		if registerRequest.Auth.AuthKey != "" {
-			h.handleAuthKey(writer, req, machineKey, registerRequest)
-
-			return
-		}
-
-		givenName, err := h.GenerateGivenName(registerRequest.Hostinfo.Hostname)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "RegistrationHandler").
-				Str("hostinfo.name", registerRequest.Hostinfo.Hostname).
-				Err(err)
-
-			return
-		}
-
-		// The machine did not have a key to authenticate, which means
-		// that we rely on a method that calls back some how (OpenID or CLI)
-		// We create the machine and then keep it around until a callback
-		// happens
-		newMachine := Machine{
-			MachineKey: machineKeyStr,
-			Hostname:   registerRequest.Hostinfo.Hostname,
-			GivenName:  givenName,
-			NodeKey:    NodePublicKeyStripPrefix(registerRequest.NodeKey),
-			LastSeen:   &now,
-			Expiry:     &time.Time{},
-		}
-
-		if !registerRequest.Expiry.IsZero() {
-			log.Trace().
-				Caller().
-				Str("machine", registerRequest.Hostinfo.Hostname).
-				Time("expiry", registerRequest.Expiry).
-				Msg("Non-zero expiry time requested")
-			newMachine.Expiry = &registerRequest.Expiry
-		}
-
-		h.registrationCache.Set(
-			machineKeyStr,
-			newMachine,
-			registerCacheExpiration,
-		)
-
-		h.handleMachineRegistrationNew(writer, req, machineKey, registerRequest)
-
-		return
-	}
-
-	// The machine is already registered, so we need to pass through reauth or key update.
-	if machine != nil {
-		// If the NodeKey stored in headscale is the same as the key presented in a registration
-		// request, then we have a node that is either:
-		// - Trying to log out (sending a expiry in the past)
-		// - A valid, registered machine, looking for the node map
-		// - Expired machine wanting to reauthenticate
-		if machine.NodeKey == NodePublicKeyStripPrefix(registerRequest.NodeKey) {
-			// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
-			//   https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
-			if !registerRequest.Expiry.IsZero() && registerRequest.Expiry.UTC().Before(now) {
-				h.handleMachineLogOut(writer, req, machineKey, *machine)
-
-				return
-			}
-
-			// If machine is not expired, and is register, we have a already accepted this machine,
-			// let it proceed with a valid registration
-			if !machine.isExpired() {
-				h.handleMachineValidRegistration(writer, req, machineKey, *machine)
-
-				return
-			}
-		}
-
-		// The NodeKey we have matches OldNodeKey, which means this is a refresh after a key expiration
-		if machine.NodeKey == NodePublicKeyStripPrefix(registerRequest.OldNodeKey) &&
-			!machine.isExpired() {
-			h.handleMachineRefreshKey(writer, req, machineKey, registerRequest, *machine)
-
-			return
-		}
-
-		// The machine has expired
-		h.handleMachineExpired(writer, req, machineKey, registerRequest, *machine)
-
-		return
-	}
-}
-
-func (h *Headscale) getMapResponse(
-	machineKey key.MachinePublic,
-	mapRequest tailcfg.MapRequest,
-	machine *Machine,
-) ([]byte, error) {
-	log.Trace().
-		Str("func", "getMapResponse").
-		Str("machine", mapRequest.Hostinfo.Hostname).
-		Msg("Creating Map response")
-	node, err := machine.toNode(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Cannot convert to node")
-
-		return nil, err
-	}
-
-	peers, err := h.getValidPeers(machine)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Cannot fetch peers")
-
-		return nil, err
-	}
-
-	profiles := getMapResponseUserProfiles(*machine, peers)
-
-	nodePeers, err := peers.toNodes(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "getMapResponse").
-			Err(err).
-			Msg("Failed to convert peers to Tailscale nodes")
-
-		return nil, err
-	}
-
-	dnsConfig := getMapResponseDNSConfig(
-		h.cfg.DNSConfig,
-		h.cfg.BaseDomain,
-		*machine,
-		peers,
-	)
-
-	resp := tailcfg.MapResponse{
-		KeepAlive:    false,
-		Node:         node,
-		Peers:        nodePeers,
-		DNSConfig:    dnsConfig,
-		Domain:       h.cfg.BaseDomain,
-		PacketFilter: h.aclRules,
-		DERPMap:      h.DERPMap,
-		UserProfiles: profiles,
-		Debug: &tailcfg.Debug{
-			DisableLogTail:      !h.cfg.LogTail.Enabled,
-			RandomizeClientPort: h.cfg.RandomizeClientPort,
-		},
-	}
-
-	log.Trace().
-		Str("func", "getMapResponse").
-		Str("machine", mapRequest.Hostinfo.Hostname).
-		// Interface("payload", resp).
-		Msgf("Generated map response: %s", tailMapResponseToString(resp))
-
-	var respBody []byte
-	if mapRequest.Compress == "zstd" {
-		src, err := json.Marshal(resp)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "getMapResponse").
-				Err(err).
-				Msg("Failed to marshal response for the client")
-
-			return nil, err
-		}
-
-		encoder, _ := zstd.NewWriter(nil)
-		srcCompressed := encoder.EncodeAll(src, nil)
-		respBody = h.privateKey.SealTo(machineKey, srcCompressed)
-	} else {
-		respBody, err = encode(resp, &machineKey, h.privateKey)
-		if err != nil {
-			return nil, err
-		}
-	}
-	// declare the incoming size on the first 4 bytes
-	data := make([]byte, reservedResponseHeaderSize)
-	binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
-	data = append(data, respBody...)
-
-	return data, nil
-}
-
-func (h *Headscale) getMapKeepAliveResponse(
-	machineKey key.MachinePublic,
-	mapRequest tailcfg.MapRequest,
-) ([]byte, error) {
-	mapResponse := tailcfg.MapResponse{
-		KeepAlive: true,
-	}
-	var respBody []byte
-	var err error
-	if mapRequest.Compress == "zstd" {
-		src, err := json.Marshal(mapResponse)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "getMapKeepAliveResponse").
-				Err(err).
-				Msg("Failed to marshal keepalive response for the client")
-
-			return nil, err
-		}
-		encoder, _ := zstd.NewWriter(nil)
-		srcCompressed := encoder.EncodeAll(src, nil)
-		respBody = h.privateKey.SealTo(machineKey, srcCompressed)
-	} else {
-		respBody, err = encode(mapResponse, &machineKey, h.privateKey)
-		if err != nil {
-			return nil, err
-		}
-	}
-	data := make([]byte, reservedResponseHeaderSize)
-	binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
-	data = append(data, respBody...)
-
-	return data, nil
-}
-
-func (h *Headscale) handleMachineLogOut(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	log.Info().
-		Str("machine", machine.Hostname).
-		Msg("Client requested logout")
-
-	err := h.ExpireMachine(&machine)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "handleMachineLogOut").
-			Err(err).
-			Msg("Failed to expire machine")
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	resp.AuthURL = ""
-	resp.MachineAuthorized = false
-	resp.User = *machine.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-}
-
-func (h *Headscale) handleMachineValidRegistration(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The machine registration is valid, respond with redirect to /map
-	log.Debug().
-		Str("machine", machine.Hostname).
-		Msg("Client is registered and we have the current NodeKey. All clear to /map")
-
-	resp.AuthURL = ""
-	resp.MachineAuthorized = true
-	resp.User = *machine.Namespace.toUser()
-	resp.Login = *machine.Namespace.toLogin()
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("update", "web", "error", machine.Namespace.Name).
-			Inc()
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-	machineRegistrations.WithLabelValues("update", "web", "success", machine.Namespace.Name).
-		Inc()
-
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-}
-
-func (h *Headscale) handleMachineExpired(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The client has registered before, but has expired
-	log.Debug().
-		Str("machine", machine.Hostname).
-		Msg("Machine registration has expired. Sending a authurl to register")
-
-	if registerRequest.Auth.AuthKey != "" {
-		h.handleAuthKey(writer, req, machineKey, registerRequest)
-
-		return
-	}
-
-	if h.cfg.OIDC.Issuer != "" {
-		resp.AuthURL = fmt.Sprintf("%s/oidc/register/%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), machineKey.String())
-	} else {
-		resp.AuthURL = fmt.Sprintf("%s/register?key=%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), machineKey.String())
-	}
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("reauth", "web", "error", machine.Namespace.Name).
-			Inc()
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-	machineRegistrations.WithLabelValues("reauth", "web", "success", machine.Namespace.Name).
-		Inc()
-
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-}
-
-func (h *Headscale) handleMachineRefreshKey(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-	machine Machine,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	log.Debug().
-		Str("machine", machine.Hostname).
-		Msg("We have the OldNodeKey in the database. This is a key refresh")
-	machine.NodeKey = NodePublicKeyStripPrefix(registerRequest.NodeKey)
-
-	if err := h.db.Save(&machine).Error; err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to update machine key in the database")
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	resp.AuthURL = ""
-	resp.User = *machine.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-}
-
-func (h *Headscale) handleMachineRegistrationNew(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-) {
-	resp := tailcfg.RegisterResponse{}
-
-	// The machine registration is new, redirect the client to the registration URL
-	log.Debug().
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msg("The node is sending us a new NodeKey, sending auth url")
-	if h.cfg.OIDC.Issuer != "" {
-		resp.AuthURL = fmt.Sprintf(
-			"%s/oidc/register/%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"),
-			machineKey.String(),
-		)
-	} else {
-		resp.AuthURL = fmt.Sprintf("%s/register?key=%s",
-			strings.TrimSuffix(h.cfg.ServerURL, "/"), MachinePublicKeyStripPrefix(machineKey))
-	}
-
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Cannot encode message")
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-}
-
-// TODO: check if any locks are needed around IP allocation.
-func (h *Headscale) handleAuthKey(
-	writer http.ResponseWriter,
-	req *http.Request,
-	machineKey key.MachinePublic,
-	registerRequest tailcfg.RegisterRequest,
-) {
-	machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
-
-	log.Debug().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msgf("Processing auth key for %s", registerRequest.Hostinfo.Hostname)
-	resp := tailcfg.RegisterResponse{}
-
-	pak, err := h.checkKeyValidity(registerRequest.Auth.AuthKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Err(err).
-			Msg("Failed authentication via AuthKey")
-		resp.MachineAuthorized = false
-		respBody, err := encode(resp, &machineKey, h.privateKey)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "handleAuthKey").
-				Str("machine", registerRequest.Hostinfo.Hostname).
-				Err(err).
-				Msg("Cannot encode message")
-			http.Error(writer, "Internal server error", http.StatusInternalServerError)
-			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-				Inc()
-
-			return
-		}
-
-		writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-		writer.WriteHeader(http.StatusUnauthorized)
-		_, err = writer.Write(respBody)
-		if err != nil {
-			log.Error().
-				Caller().
-				Err(err).
-				Msg("Failed to write response")
-		}
-
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Msg("Failed authentication via AuthKey")
-
-		if pak != nil {
-			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-				Inc()
-		} else {
-			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", "unknown").Inc()
-		}
-
-		return
-	}
-
-	log.Debug().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Msg("Authentication key was valid, proceeding to acquire IP addresses")
-
-	nodeKey := NodePublicKeyStripPrefix(registerRequest.NodeKey)
-
-	// retrieve machine information if it exist
-	// The error is not important, because if it does not
-	// exist, then this is a new machine and we will move
-	// on to registration.
-	machine, _ := h.GetMachineByMachineKey(machineKey)
-	if machine != nil {
-		log.Trace().
-			Caller().
-			Str("machine", machine.Hostname).
-			Msg("machine already registered, refreshing with new auth key")
-
-		machine.NodeKey = nodeKey
-		machine.AuthKeyID = uint(pak.ID)
-		err := h.RefreshMachine(machine, registerRequest.Expiry)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("machine", machine.Hostname).
-				Err(err).
-				Msg("Failed to refresh machine")
-
-			return
-		}
-	} else {
-		now := time.Now().UTC()
-
-		givenName, err := h.GenerateGivenName(registerRequest.Hostinfo.Hostname)
-		if err != nil {
-			log.Error().
-				Caller().
-				Str("func", "RegistrationHandler").
-				Str("hostinfo.name", registerRequest.Hostinfo.Hostname).
-				Err(err)
-
-			return
-		}
-
-		machineToRegister := Machine{
-			Hostname:       registerRequest.Hostinfo.Hostname,
-			GivenName:      givenName,
-			NamespaceID:    pak.Namespace.ID,
-			MachineKey:     machineKeyStr,
-			RegisterMethod: RegisterMethodAuthKey,
-			Expiry:         &registerRequest.Expiry,
-			NodeKey:        nodeKey,
-			LastSeen:       &now,
-			AuthKeyID:      uint(pak.ID),
-		}
-
-		machine, err = h.RegisterMachine(
-			machineToRegister,
-		)
-		if err != nil {
-			log.Error().
-				Caller().
-				Err(err).
-				Msg("could not register machine")
-			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-				Inc()
-			http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-			return
-		}
-	}
-
-	err = h.UsePreAuthKey(pak)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to use pre-auth key")
-		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-			Inc()
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-
-	resp.MachineAuthorized = true
-	resp.User = *pak.Namespace.toUser()
-	respBody, err := encode(resp, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Caller().
-			Str("func", "handleAuthKey").
-			Str("machine", registerRequest.Hostinfo.Hostname).
-			Err(err).
-			Msg("Cannot encode message")
-		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
-			Inc()
-		http.Error(writer, "Internal server error", http.StatusInternalServerError)
-
-		return
-	}
-	machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "success", pak.Namespace.Name).
-		Inc()
-	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(respBody)
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
-
-	log.Info().
-		Str("func", "handleAuthKey").
-		Str("machine", registerRequest.Hostinfo.Hostname).
-		Str("ips", strings.Join(machine.IPAddresses.ToStringSlice(), ", ")).
-		Msg("Successfully authenticated via AuthKey")
-}

api_common.go

@@ -0,0 +1,80 @@
+package headscale
+
+import (
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+)
+
+func (h *Headscale) generateMapResponse(
+	mapRequest tailcfg.MapRequest,
+	machine *Machine,
+) (*tailcfg.MapResponse, error) {
+	log.Trace().
+		Str("func", "generateMapResponse").
+		Str("machine", mapRequest.Hostinfo.Hostname).
+		Msg("Creating Map response")
+	node, err := machine.toNode(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Cannot convert to node")
+
+		return nil, err
+	}
+
+	peers, err := h.getValidPeers(machine)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Cannot fetch peers")
+
+		return nil, err
+	}
+
+	profiles := getMapResponseUserProfiles(*machine, peers)
+
+	nodePeers, err := peers.toNodes(h.cfg.BaseDomain, h.cfg.DNSConfig, true)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "generateMapResponse").
+			Err(err).
+			Msg("Failed to convert peers to Tailscale nodes")
+
+		return nil, err
+	}
+
+	dnsConfig := getMapResponseDNSConfig(
+		h.cfg.DNSConfig,
+		h.cfg.BaseDomain,
+		*machine,
+		peers,
+	)
+
+	resp := tailcfg.MapResponse{
+		KeepAlive:    false,
+		Node:         node,
+		Peers:        nodePeers,
+		DNSConfig:    dnsConfig,
+		Domain:       h.cfg.BaseDomain,
+		PacketFilter: h.aclRules,
+		DERPMap:      h.DERPMap,
+		UserProfiles: profiles,
+		Debug: &tailcfg.Debug{
+			DisableLogTail:      !h.cfg.LogTail.Enabled,
+			RandomizeClientPort: h.cfg.RandomizeClientPort,
+		},
+	}
+
+	log.Trace().
+		Str("func", "generateMapResponse").
+		Str("machine", mapRequest.Hostinfo.Hostname).
+		// Interface("payload", resp).
+		Msgf("Generated map response: %s", tailMapResponseToString(resp))
+
+	return &resp, nil
+}

api_key.go

@@ -14,7 +14,7 @@ const (
 	apiPrefixLength = 7
 	apiKeyLength    = 32
 
-	errAPIKeyFailedToParse = Error("Failed to parse ApiKey")
+	ErrAPIKeyFailedToParse = Error("Failed to parse ApiKey")
 )
 
 // APIKey describes the datamodel for API keys used to remotely authenticate with
@@ -116,7 +116,7 @@ func (h *Headscale) ExpireAPIKey(key *APIKey) error {
 func (h *Headscale) ValidateAPIKey(keyStr string) (bool, error) {
 	prefix, hash, found := strings.Cut(keyStr, ".")
 	if !found {
-		return false, errAPIKeyFailedToParse
+		return false, ErrAPIKeyFailedToParse
 	}
 
 	key, err := h.GetAPIKey(prefix)

app.go

@@ -17,17 +17,16 @@ import (
 	"time"
 
 	"github.com/coreos/go-oidc/v3/oidc"
-	"github.com/gin-gonic/gin"
 	"github.com/gorilla/mux"
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/patrickmn/go-cache"
 	zerolog "github.com/philip-bui/grpc-zerolog"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/puzpuzpuz/xsync"
 	zl "github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
-	ginprometheus "github.com/zsais/go-gin-prometheus"
 	"golang.org/x/crypto/acme"
 	"golang.org/x/crypto/acme/autocert"
 	"golang.org/x/oauth2"
@@ -52,6 +51,10 @@ const (
 	errUnsupportedLetsEncryptChallengeType = Error(
 		"unknown value for Lets Encrypt challenge type",
 	)
+
+	ErrFailedPrivateKey      = Error("failed to read or create private key")
+	ErrFailedNoisePrivateKey = Error("failed to read or create Noise protocol private key")
+	ErrSamePrivateKeys       = Error("private key and noise private key are the same")
 )
 
 const (
@@ -73,12 +76,15 @@ const (
 
 // Headscale represents the base app of the service.
 type Headscale struct {
-	cfg        *Config
-	db         *gorm.DB
-	dbString   string
-	dbType     string
-	dbDebug    bool
-	privateKey *key.MachinePrivate
+	cfg             *Config
+	db              *gorm.DB
+	dbString        string
+	dbType          string
+	dbDebug         bool
+	privateKey      *key.MachinePrivate
+	noisePrivateKey *key.MachinePrivate
+
+	noiseMux *mux.Router
 
 	DERPMap    *tailcfg.DERPMap
 	DERPServer *DERPServer
@@ -95,7 +101,8 @@ type Headscale struct {
 
 	ipAllocationMutex sync.Mutex
 
-	shutdownChan chan struct{}
+	shutdownChan       chan struct{}
+	pollNetMapStreamWG sync.WaitGroup
 }
 
 // Look up the TLS constant relative to user-supplied TLS client
@@ -120,22 +127,42 @@ func LookupTLSClientAuthMode(mode string) (tls.ClientAuthType, bool) {
 }
 
 func NewHeadscale(cfg *Config) (*Headscale, error) {
-	privKey, err := readOrCreatePrivateKey(cfg.PrivateKeyPath)
+	privateKey, err := readOrCreatePrivateKey(cfg.PrivateKeyPath)
 	if err != nil {
-		return nil, fmt.Errorf("failed to read or create private key: %w", err)
+		return nil, ErrFailedPrivateKey
+	}
+
+	// TS2021 requires to have a different key from the legacy protocol.
+	noisePrivateKey, err := readOrCreatePrivateKey(cfg.NoisePrivateKeyPath)
+	if err != nil {
+		return nil, ErrFailedNoisePrivateKey
+	}
+
+	if privateKey.Equal(*noisePrivateKey) {
+		return nil, ErrSamePrivateKeys
 	}
 
 	var dbString string
 	switch cfg.DBtype {
 	case Postgres:
 		dbString = fmt.Sprintf(
-			"host=%s port=%d dbname=%s user=%s password=%s sslmode=disable",
+			"host=%s dbname=%s user=%s",
 			cfg.DBhost,
-			cfg.DBport,
 			cfg.DBname,
 			cfg.DBuser,
-			cfg.DBpass,
 		)
+
+		if !cfg.DBssl {
+			dbString += " sslmode=disable"
+		}
+
+		if cfg.DBport != 0 {
+			dbString += fmt.Sprintf(" port=%d", cfg.DBport)
+		}
+
+		if cfg.DBpass != "" {
+			dbString += fmt.Sprintf(" password=%s", cfg.DBpass)
+		}
 	case Sqlite:
 		dbString = cfg.DBpath
 	default:
@@ -148,12 +175,14 @@ func NewHeadscale(cfg *Config) (*Headscale, error) {
 	)
 
 	app := Headscale{
-		cfg:               cfg,
-		dbType:            cfg.DBtype,
-		dbString:          dbString,
-		privateKey:        privKey,
-		aclRules:          tailcfg.FilterAllowAll, // default allowall
-		registrationCache: registrationCache,
+		cfg:                cfg,
+		dbType:             cfg.DBtype,
+		dbString:           dbString,
+		privateKey:         privateKey,
+		noisePrivateKey:    noisePrivateKey,
+		aclRules:           tailcfg.FilterAllowAll, // default allowall
+		registrationCache:  registrationCache,
+		pollNetMapStreamWG: sync.WaitGroup{},
 	}
 
 	err = app.initDB()
@@ -246,7 +275,7 @@ func (h *Headscale) expireEphemeralNodesWorker() {
 		}
 
 		if expiredFound {
-			h.setLastStateChangeToNow(namespace.Name)
+			h.setLastStateChangeToNow()
 		}
 	}
 }
@@ -411,36 +440,17 @@ func (h *Headscale) ensureUnixSocketIsAbsent() error {
 	return os.Remove(h.cfg.UnixSocket)
 }
 
-func (h *Headscale) createPrometheusRouter() *gin.Engine {
-	promRouter := gin.Default()
-
-	prometheus := ginprometheus.NewPrometheus("gin")
-	prometheus.Use(promRouter)
-
-	return promRouter
-}
-
 func (h *Headscale) createRouter(grpcMux *runtime.ServeMux) *mux.Router {
 	router := mux.NewRouter()
 
-	router.HandleFunc(
-		"/health",
-		func(writer http.ResponseWriter, req *http.Request) {
-			writer.WriteHeader(http.StatusOK)
-			_, err := writer.Write([]byte("{\"healthy\": \"ok\"}"))
-			if err != nil {
-				log.Error().
-					Caller().
-					Err(err).
-					Msg("Failed to write response")
-			}
-		}).Methods(http.MethodGet)
+	router.HandleFunc(ts2021UpgradePath, h.NoiseUpgradeHandler).Methods(http.MethodPost)
 
+	router.HandleFunc("/health", h.HealthHandler).Methods(http.MethodGet)
 	router.HandleFunc("/key", h.KeyHandler).Methods(http.MethodGet)
-	router.HandleFunc("/register", h.RegisterWebAPI).Methods(http.MethodGet)
+	router.HandleFunc("/register/{nkey}", h.RegisterWebAPI).Methods(http.MethodGet)
 	router.HandleFunc("/machine/{mkey}/map", h.PollNetMapHandler).Methods(http.MethodPost)
 	router.HandleFunc("/machine/{mkey}", h.RegistrationHandler).Methods(http.MethodPost)
-	router.HandleFunc("/oidc/register/{mkey}", h.RegisterOIDC).Methods(http.MethodGet)
+	router.HandleFunc("/oidc/register/{nkey}", h.RegisterOIDC).Methods(http.MethodGet)
 	router.HandleFunc("/oidc/callback", h.OIDCCallback).Methods(http.MethodGet)
 	router.HandleFunc("/apple", h.AppleConfigMessage).Methods(http.MethodGet)
 	router.HandleFunc("/apple/{platform}", h.ApplePlatformConfig).Methods(http.MethodGet)
@@ -455,17 +465,24 @@ func (h *Headscale) createRouter(grpcMux *runtime.ServeMux) *mux.Router {
 		router.HandleFunc("/bootstrap-dns", h.DERPBootstrapDNSHandler)
 	}
 
-	api := router.PathPrefix("/api").Subrouter()
-	api.Use(h.httpAuthenticationMiddleware)
-	{
-		api.HandleFunc("/v1/*any", grpcMux.ServeHTTP)
-	}
+	apiRouter := router.PathPrefix("/api").Subrouter()
+	apiRouter.Use(h.httpAuthenticationMiddleware)
+	apiRouter.PathPrefix("/v1/").HandlerFunc(grpcMux.ServeHTTP)
 
 	router.PathPrefix("/").HandlerFunc(stdoutHandler)
 
 	return router
 }
 
+func (h *Headscale) createNoiseMux() *mux.Router {
+	router := mux.NewRouter()
+
+	router.HandleFunc("/machine/register", h.NoiseRegistrationHandler).Methods(http.MethodPost)
+	router.HandleFunc("/machine/map", h.NoisePollNetMapHandler)
+
+	return router
+}
+
 // Serve launches a GIN server with the Headscale API.
 func (h *Headscale) Serve() error {
 	var err error
@@ -577,6 +594,8 @@ func (h *Headscale) Serve() error {
 	// https://github.com/soheilhy/cmux/issues/68
 	// https://github.com/soheilhy/cmux/issues/91
 
+	var grpcServer *grpc.Server
+	var grpcListener net.Listener
 	if tlsConfig != nil || h.cfg.GRPCAllowInsecure {
 		log.Info().Msgf("Enabling remote gRPC at %s", h.cfg.GRPCAddr)
 
@@ -597,12 +616,12 @@ func (h *Headscale) Serve() error {
 			log.Warn().Msg("gRPC is running without security")
 		}
 
-		grpcServer := grpc.NewServer(grpcOptions...)
+		grpcServer = grpc.NewServer(grpcOptions...)
 
 		v1.RegisterHeadscaleServiceServer(grpcServer, newHeadscaleV1APIServer(h))
 		reflection.Register(grpcServer)
 
-		grpcListener, err := net.Listen("tcp", h.cfg.GRPCAddr)
+		grpcListener, err = net.Listen("tcp", h.cfg.GRPCAddr)
 		if err != nil {
 			return fmt.Errorf("failed to bind to TCP address: %w", err)
 		}
@@ -617,9 +636,16 @@ func (h *Headscale) Serve() error {
 	//
 	// HTTP setup
 	//
-
+	// This is the regular router that we expose
+	// over our main Addr. It also serves the legacy Tailcale API
 	router := h.createRouter(grpcGatewayMux)
 
+	// This router is served only over the Noise connection, and exposes only the new API.
+	//
+	// The HTTP2 server that exposes this router is created for
+	// a single hijacked connection from /ts2021, using netutil.NewOneConnListener
+	h.noiseMux = h.createNoiseMux()
+
 	httpServer := &http.Server{
 		Addr:        h.cfg.Addr,
 		Handler:     router,
@@ -647,11 +673,12 @@ func (h *Headscale) Serve() error {
 	log.Info().
 		Msgf("listening and serving HTTP on: %s", h.cfg.Addr)
 
-	promRouter := h.createPrometheusRouter()
+	promMux := http.NewServeMux()
+	promMux.Handle("/metrics", promhttp.Handler())
 
 	promHTTPServer := &http.Server{
 		Addr:         h.cfg.MetricsAddr,
-		Handler:      promRouter,
+		Handler:      promMux,
 		ReadTimeout:  HTTPReadTimeout,
 		WriteTimeout: 0,
 	}
@@ -677,7 +704,7 @@ func (h *Headscale) Serve() error {
 		syscall.SIGTERM,
 		syscall.SIGQUIT,
 		syscall.SIGHUP)
-	go func(c chan os.Signal) {
+	sigFunc := func(c chan os.Signal) {
 		// Wait for a SIGINT or SIGKILL:
 		for {
 			sig := <-c
@@ -687,7 +714,7 @@ func (h *Headscale) Serve() error {
 					Str("signal", sig.String()).
 					Msg("Received SIGHUP, reloading ACL and Config")
 
-					// TODO(kradalby): Reload config on SIGHUP
+				// TODO(kradalby): Reload config on SIGHUP
 
 				if h.cfg.ACL.PolicyPath != "" {
 					aclPath := AbsolutePathFromConfigPath(h.cfg.ACL.PolicyPath)
@@ -707,10 +734,14 @@ func (h *Headscale) Serve() error {
 					Str("signal", sig.String()).
 					Msg("Received signal to stop, shutting down gracefully")
 
-				h.shutdownChan <- struct{}{}
+				close(h.shutdownChan)
+				h.pollNetMapStreamWG.Wait()
 
 				// Gracefully shut down servers
-				ctx, cancel := context.WithTimeout(context.Background(), HTTPShutdownTimeout)
+				ctx, cancel := context.WithTimeout(
+					context.Background(),
+					HTTPShutdownTimeout,
+				)
 				if err := promHTTPServer.Shutdown(ctx); err != nil {
 					log.Error().Err(err).Msg("Failed to shutdown prometheus http")
 				}
@@ -719,6 +750,11 @@ func (h *Headscale) Serve() error {
 				}
 				grpcSocket.GracefulStop()
 
+				if grpcServer != nil {
+					grpcServer.GracefulStop()
+					grpcListener.Close()
+				}
+
 				// Close network listeners
 				promHTTPListener.Close()
 				httpListener.Close()
@@ -745,7 +781,12 @@ func (h *Headscale) Serve() error {
 				os.Exit(0)
 			}
 		}
-	}(sigc)
+	}
+	errorGroup.Go(func() error {
+		sigFunc(sigc)
+
+		return nil
+	})
 
 	return errorGroup.Wait()
 }
@@ -769,13 +810,13 @@ func (h *Headscale) getTLSSettings() (*tls.Config, error) {
 		}
 
 		switch h.cfg.TLS.LetsEncrypt.ChallengeType {
-		case "TLS-ALPN-01":
+		case tlsALPN01ChallengeType:
 			// Configuration via autocert with TLS-ALPN-01 (https://tools.ietf.org/html/rfc8737)
 			// The RFC requires that the validation is done on port 443; in other words, headscale
 			// must be reachable on port 443.
 			return certManager.TLSConfig(), nil
 
-		case "HTTP-01":
+		case http01ChallengeType:
 			// Configuration via autocert with HTTP-01. This requires listening on
 			// port 80 for the certificate validation in addition to the headscale
 			// service, which can be configured to run on any other port.
@@ -827,7 +868,10 @@ func (h *Headscale) setLastStateChangeToNow(namespaces ...string) {
 	if len(namespaces) == 0 {
 		namespaces, err = h.ListNamespacesStr()
 		if err != nil {
-			log.Error().Caller().Err(err).Msg("failed to fetch all namespaces, failing to update last changed state.")
+			log.Error().
+				Caller().
+				Err(err).
+				Msg("failed to fetch all namespaces, failing to update last changed state.")
 		}
 	}
 

app_test.go

@@ -1,7 +1,6 @@
 package headscale
 
 import (
-	"io/ioutil"
 	"os"
 	"testing"
 
@@ -35,7 +34,7 @@ func (s *Suite) ResetDB(c *check.C) {
 		os.RemoveAll(tmpDir)
 	}
 	var err error
-	tmpDir, err = ioutil.TempDir("", "autoygg-client-test")
+	tmpDir, err = os.MkdirTemp("", "autoygg-client-test")
 	if err != nil {
 		c.Fatal(err)
 	}

cmd/headscale/cli/api_key.go

@@ -134,7 +134,9 @@ If you loose a key, create a new one and revoke (expire) the old one.`,
 
 		expiration := time.Now().UTC().Add(time.Duration(duration))
 
-		log.Trace().Dur("expiration", time.Duration(duration)).Msg("expiration has been set")
+		log.Trace().
+			Dur("expiration", time.Duration(duration)).
+			Msg("expiration has been set")
 
 		request.Expiration = timestamppb.New(expiration)
 

cmd/headscale/cli/nodes.go

@@ -108,7 +108,7 @@ var registerNodeCmd = &cobra.Command{
 		if err != nil {
 			ErrorOutput(
 				err,
-				fmt.Sprintf("Error getting machine key from flag: %s", err),
+				fmt.Sprintf("Error getting node key from flag: %s", err),
 				output,
 			)
 
@@ -465,6 +465,7 @@ func nodesToPtables(
 ) (pterm.TableData, error) {
 	tableHeader := []string{
 		"ID",
+		"Hostname",
 		"Name",
 		"NodeKey",
 		"Namespace",
@@ -566,6 +567,7 @@ func nodesToPtables(
 		nodeData := []string{
 			strconv.FormatUint(machine.Id, headscale.Base10),
 			machine.Name,
+			machine.GetGivenName(),
 			nodeKey.ShortString(),
 			namespace,
 			strings.Join([]string{IPV4Address, IPV6Address}, ", "),

cmd/headscale/cli/preauthkeys.go

@@ -164,7 +164,9 @@ var createPreAuthKeyCmd = &cobra.Command{
 
 		expiration := time.Now().UTC().Add(time.Duration(duration))
 
-		log.Trace().Dur("expiration", time.Duration(duration)).Msg("expiration has been set")
+		log.Trace().
+			Dur("expiration", time.Duration(duration)).
+			Msg("expiration has been set")
 
 		request.Expiration = timestamppb.New(expiration)
 

cmd/headscale/cli/root.go

@@ -25,15 +25,18 @@ func init() {
 }
 
 func initConfig() {
+	if cfgFile == "" {
+		cfgFile = os.Getenv("HEADSCALE_CONFIG")
+	}
 	if cfgFile != "" {
 		err := headscale.LoadConfig(cfgFile, true)
 		if err != nil {
-			log.Fatal().Caller().Err(err)
+			log.Fatal().Caller().Err(err).Msgf("Error loading config file %s", cfgFile)
 		}
 	} else {
 		err := headscale.LoadConfig("", false)
 		if err != nil {
-			log.Fatal().Caller().Err(err)
+			log.Fatal().Caller().Err(err).Msgf("Error loading config")
 		}
 	}
 

cmd/headscale/cli/utils.go

@@ -24,7 +24,10 @@ const (
 func getHeadscaleApp() (*headscale.Headscale, error) {
 	cfg, err := headscale.GetHeadscaleConfig()
 	if err != nil {
-		return nil, fmt.Errorf("failed to load configuration while creating headscale instance: %w", err)
+		return nil, fmt.Errorf(
+			"failed to load configuration while creating headscale instance: %w",
+			err,
+		)
 	}
 
 	app, err := headscale.NewHeadscale(cfg)

cmd/headscale/headscale_test.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"io/fs"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -28,7 +27,7 @@ func (s *Suite) TearDownSuite(c *check.C) {
 }
 
 func (*Suite) TestConfigFileLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -73,7 +72,7 @@ func (*Suite) TestConfigFileLoading(c *check.C) {
 }
 
 func (*Suite) TestConfigLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -117,7 +116,7 @@ func (*Suite) TestConfigLoading(c *check.C) {
 }
 
 func (*Suite) TestDNSConfigLoading(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
@@ -152,22 +151,24 @@ func (*Suite) TestDNSConfigLoading(c *check.C) {
 func writeConfig(c *check.C, tmpDir string, configYaml []byte) {
 	// Populate a custom config file
 	configFile := filepath.Join(tmpDir, "config.yaml")
-	err := ioutil.WriteFile(configFile, configYaml, 0o600)
+	err := os.WriteFile(configFile, configYaml, 0o600)
 	if err != nil {
 		c.Fatalf("Couldn't write file %s", configFile)
 	}
 }
 
 func (*Suite) TestTLSConfigValidation(c *check.C) {
-	tmpDir, err := ioutil.TempDir("", "headscale")
+	tmpDir, err := os.MkdirTemp("", "headscale")
 	if err != nil {
 		c.Fatal(err)
 	}
 	// defer os.RemoveAll(tmpDir)
-
-	configYaml := []byte(
-		"---\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"\"\ntls_cert_path: \"abc.pem\"",
-	)
+	configYaml := []byte(`---
+tls_letsencrypt_hostname: example.com
+tls_letsencrypt_challenge_type: ""
+tls_cert_path: abc.pem
+noise:
+  private_key_path: noise_private.key`)
 	writeConfig(c, tmpDir, configYaml)
 
 	// Check configuration validation errors (1)
@@ -192,9 +193,13 @@ func (*Suite) TestTLSConfigValidation(c *check.C) {
 	)
 
 	// Check configuration validation errors (2)
-	configYaml = []byte(
-		"---\nserver_url: \"http://127.0.0.1:8080\"\ntls_letsencrypt_hostname: \"example.com\"\ntls_letsencrypt_challenge_type: \"TLS-ALPN-01\"",
-	)
+	configYaml = []byte(`---
+noise:
+  private_key_path: noise_private.key
+server_url: http://127.0.0.1:8080
+tls_letsencrypt_hostname: example.com
+tls_letsencrypt_challenge_type: TLS-ALPN-01
+`)
 	writeConfig(c, tmpDir, configYaml)
 	err = headscale.LoadConfig(tmpDir, false)
 	c.Assert(err, check.IsNil)

config-example.yaml

@@ -41,6 +41,15 @@ grpc_allow_insecure: false
 # autogenerated if it's missing
 private_key_path: /var/lib/headscale/private.key
 
+# The Noise section includes specific configuration for the
+# TS2021 Noise procotol
+noise:
+  # The Noise private key is used to encrypt the
+  # traffic between headscale and Tailscale clients when
+  # using the new Noise-based protocol. It must be different
+  # from the legacy private key.
+  private_key_path: /var/lib/headscale/noise_private.key
+
 # List of IP prefixes to allocate tailaddresses from.
 # Each prefix consists of either an IPv4 or IPv6 address,
 # and the associated prefix length, delimited by a slash.
@@ -103,17 +112,25 @@ disable_check_updates: false
 # Time before an inactive ephemeral node is deleted?
 ephemeral_node_inactivity_timeout: 30m
 
+# Period to check for node updates in the tailnet. A value too low will severily affect
+# CPU consumption of Headscale. A value too high (over 60s) will cause problems
+# to the nodes, as they won't get updates or keep alive messages in time.
+# In case of doubts, do not touch the default 10s.
+node_update_check_interval: 10s
+
 # SQLite config
 db_type: sqlite3
 db_path: /var/lib/headscale/db.sqlite
 
 # # Postgres config
+# If using a Unix socket to connect to Postgres, set the socket path in the 'host' field and leave 'port' blank.
 # db_type: postgres
 # db_host: localhost
 # db_port: 5432
 # db_name: headscale
 # db_user: foo
 # db_pass: bar
+# db_ssl: false
 
 ### TLS configuration
 #

config.go

@@ -18,6 +18,11 @@ import (
 	"tailscale.com/types/dnstype"
 )
 
+const (
+	tlsALPN01ChallengeType = "TLS-ALPN-01"
+	http01ChallengeType    = "HTTP-01"
+)
+
 // Config contains the initial Headscale configuration.
 type Config struct {
 	ServerURL                      string
@@ -26,8 +31,10 @@ type Config struct {
 	GRPCAddr                       string
 	GRPCAllowInsecure              bool
 	EphemeralNodeInactivityTimeout time.Duration
+	NodeUpdateCheckInterval        time.Duration
 	IPPrefixes                     []netaddr.IPPrefix
 	PrivateKeyPath                 string
+	NoisePrivateKeyPath            string
 	BaseDomain                     string
 	LogLevel                       zerolog.Level
 	DisableUpdateCheck             bool
@@ -41,6 +48,7 @@ type Config struct {
 	DBname string
 	DBuser string
 	DBpass string
+	DBssl  bool
 
 	TLS TLSConfig
 
@@ -135,7 +143,7 @@ func LoadConfig(path string, isFile bool) error {
 	viper.AutomaticEnv()
 
 	viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
-	viper.SetDefault("tls_letsencrypt_challenge_type", "HTTP-01")
+	viper.SetDefault("tls_letsencrypt_challenge_type", http01ChallengeType)
 	viper.SetDefault("tls_client_auth_mode", "relaxed")
 
 	viper.SetDefault("log_level", "info")
@@ -162,6 +170,8 @@ func LoadConfig(path string, isFile bool) error {
 
 	viper.SetDefault("ephemeral_node_inactivity_timeout", "120s")
 
+	viper.SetDefault("node_update_check_interval", "10s")
+
 	if err := viper.ReadInConfig(); err != nil {
 		log.Warn().Err(err).Msg("Failed to read configuration from disk")
 
@@ -175,16 +185,20 @@ func LoadConfig(path string, isFile bool) error {
 		errorText += "Fatal config error: set either tls_letsencrypt_hostname or tls_cert_path/tls_key_path, not both\n"
 	}
 
+	if !viper.IsSet("noise") || viper.GetString("noise.private_key_path") == "" {
+		errorText += "Fatal config error: headscale now requires a new `noise.private_key_path` field in the config file for the Tailscale v2 protocol\n"
+	}
+
 	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
-		(viper.GetString("tls_letsencrypt_challenge_type") == "TLS-ALPN-01") &&
+		(viper.GetString("tls_letsencrypt_challenge_type") == tlsALPN01ChallengeType) &&
 		(!strings.HasSuffix(viper.GetString("listen_addr"), ":443")) {
 		// this is only a warning because there could be something sitting in front of headscale that redirects the traffic (e.g. an iptables rule)
 		log.Warn().
 			Msg("Warning: when using tls_letsencrypt_hostname with TLS-ALPN-01 as challenge type, headscale must be reachable on port 443, i.e. listen_addr should probably end in :443")
 	}
 
-	if (viper.GetString("tls_letsencrypt_challenge_type") != "HTTP-01") &&
-		(viper.GetString("tls_letsencrypt_challenge_type") != "TLS-ALPN-01") {
+	if (viper.GetString("tls_letsencrypt_challenge_type") != http01ChallengeType) &&
+		(viper.GetString("tls_letsencrypt_challenge_type") != tlsALPN01ChallengeType) {
 		errorText += "Fatal config error: the only supported values for tls_letsencrypt_challenge_type are HTTP-01 and TLS-ALPN-01\n"
 	}
 
@@ -217,6 +231,15 @@ func LoadConfig(path string, isFile bool) error {
 		)
 	}
 
+	maxNodeUpdateCheckInterval, _ := time.ParseDuration("60s")
+	if viper.GetDuration("node_update_check_interval") > maxNodeUpdateCheckInterval {
+		errorText += fmt.Sprintf(
+			"Fatal config error: node_update_check_interval (%s) is set too high, must be less than %s",
+			viper.GetString("node_update_check_interval"),
+			maxNodeUpdateCheckInterval,
+		)
+	}
+
 	if errorText != "" {
 		//nolint
 		return errors.New(strings.TrimSuffix(errorText, "\n"))
@@ -470,6 +493,9 @@ func GetHeadscaleConfig() (*Config, error) {
 		PrivateKeyPath: AbsolutePathFromConfigPath(
 			viper.GetString("private_key_path"),
 		),
+		NoisePrivateKeyPath: AbsolutePathFromConfigPath(
+			viper.GetString("noise.private_key_path"),
+		),
 		BaseDomain: baseDomain,
 
 		DERP: derpConfig,
@@ -478,6 +504,10 @@ func GetHeadscaleConfig() (*Config, error) {
 			"ephemeral_node_inactivity_timeout",
 		),
 
+		NodeUpdateCheckInterval: viper.GetDuration(
+			"node_update_check_interval",
+		),
+
 		DBtype: viper.GetString("db_type"),
 		DBpath: AbsolutePathFromConfigPath(viper.GetString("db_path")),
 		DBhost: viper.GetString("db_host"),
@@ -485,6 +515,7 @@ func GetHeadscaleConfig() (*Config, error) {
 		DBname: viper.GetString("db_name"),
 		DBuser: viper.GetString("db_user"),
 		DBpass: viper.GetString("db_pass"),
+		DBssl:  viper.GetBool("db_ssl"),
 
 		TLS: GetTLSConfig(),
 

db.go

@@ -1,6 +1,7 @@
 package headscale
 
 import (
+	"context"
 	"database/sql/driver"
 	"encoding/json"
 	"errors"
@@ -220,6 +221,17 @@ func (h *Headscale) setValue(key string, value string) error {
 	return nil
 }
 
+func (h *Headscale) pingDB() error {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+	db, err := h.db.DB()
+	if err != nil {
+		return err
+	}
+
+	return db.PingContext(ctx)
+}
+
 // This is a "wrapper" type around tailscales
 // Hostinfo to allow us to add database "serialization"
 // methods. This allows us to use a typed values throughout
@@ -236,7 +248,7 @@ func (hi *HostInfo) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), hi)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 
@@ -258,7 +270,7 @@ func (i *IPPrefixes) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), i)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 
@@ -280,7 +292,7 @@ func (i *StringList) Scan(destination interface{}) error {
 		return json.Unmarshal([]byte(value), i)
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 

derp.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"os"
@@ -50,7 +49,7 @@ func loadDERPMapFromURL(addr url.URL) (*tailcfg.DERPMap, error) {
 	}
 
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, err
 	}

docs/acls.md

@@ -36,7 +36,7 @@ ACLs could be written either on [huJSON](https://github.com/tailscale/hujson)
 or YAML. Check the [test ACLs](../tests/acls) for further information.
 
 When registering the servers we will need to add the flag
-`--advertised-tags=tag:<tag1>,tag:<tag2>`, and the user (namespace) that is
+`--advertise-tags=tag:<tag1>,tag:<tag2>`, and the user (namespace) that is
 registering the server should be allowed to do it. Since anyone can add tags to
 a server they can register, the check of the tags is done on headscale server
 and only valid tags are applied. A tag is valid if the namespace that is

docs/android-client.md

@@ -0,0 +1,19 @@
+# Connecting an Android client
+
+## Goal
+
+This documentation has the goal of showing how a user can use the official Android [Tailscale](https://tailscale.com) client with `headscale`.
+
+## Installation
+
+Install the official Tailscale Android client from the [Google Play Store](https://play.google.com/store/apps/details?id=com.tailscale.ipn) or [F-Droid](https://f-droid.org/packages/com.tailscale.ipn/).
+
+Ensure that the installed version is at least 1.30.0, as that is the first release to support custom URLs.
+
+## Configuring the headscale URL
+
+After opening the app, the kebab menu icon (three dots) on the top bar on the right must be repeatedly opened and closed until the _Change server_ option appears in the menu. This is where you can enter your headscale URL.
+
+A screen recording of this process can be seen in the `tailscale-android` PR which implemented this functionality: <https://github.com/tailscale/tailscale-android/pull/55>
+
+After saving and restarting the app, selecting the regular _Sign in_ option (non-SSO) should open up the headscale authentication page.

docs/running-headscale-container.md

@@ -53,6 +53,9 @@ server_url: http://your-host-name:8080 # Change to your hostname or host IP
 metrics_listen_addr: 0.0.0.0:9090
 # The default /var/lib/headscale path is not writable in the container
 private_key_path: /etc/headscale/private.key
+# The default /var/lib/headscale path is not writable in the container
+noise:
+  private_key_path: /var/lib/headscale/noise_private.key
 # The default /var/lib/headscale path is not writable  in the container
 db_path: /etc/headscale/db.sqlite
 ```

flake.nix

@@ -24,7 +24,7 @@
 
               # When updating go.mod or go.sum, a new sha will need to be calculated,
               # update this if you have a mismatch after doing a change to thos files.
-              vendorSha256 = "sha256-T6rH+aqofFmCPxDfoA5xd3kNUJeZkT4GRyuFEnenps8=";
+              vendorSha256 = "sha256-paDdPsi5OfxsmgX7c5NSDSLYDipFqxxcxV3K4Tc77nQ=";
 
               ldflags = [ "-s" "-w" "-X github.com/juanfont/headscale/cmd/headscale/cli.Version=v${version}" ];
             };

go.mod

@@ -3,70 +3,68 @@ module github.com/juanfont/headscale
 go 1.18
 
 require (
-	github.com/AlecAivazis/survey/v2 v2.3.4
+	github.com/AlecAivazis/survey/v2 v2.3.5
 	github.com/ccding/go-stun/stun v0.0.0-20200514191101-4dc67bcdb029
-	github.com/coreos/go-oidc/v3 v3.1.0
+	github.com/coreos/go-oidc/v3 v3.2.0
 	github.com/deckarep/golang-set/v2 v2.1.0
 	github.com/efekarakus/termcolor v1.0.1
-	github.com/gin-gonic/gin v1.7.7
-	github.com/glebarez/sqlite v1.4.3
+	github.com/glebarez/sqlite v1.4.6
 	github.com/gofrs/uuid v4.2.0+incompatible
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.10.0
-	github.com/klauspost/compress v1.15.4
-	github.com/ory/dockertest/v3 v3.8.1
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.11.2
+	github.com/klauspost/compress v1.15.9
+	github.com/ory/dockertest/v3 v3.9.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/philip-bui/grpc-zerolog v1.0.1
-	github.com/prometheus/client_golang v1.12.1
-	github.com/prometheus/common v0.32.1
-	github.com/pterm/pterm v0.12.41
-	github.com/puzpuzpuz/xsync v1.2.1
-	github.com/rs/zerolog v1.26.1
-	github.com/spf13/cobra v1.4.0
-	github.com/spf13/viper v1.11.0
-	github.com/stretchr/testify v1.7.1
-	github.com/tailscale/hujson v0.0.0-20220506202205-92b4b88a9e17
+	github.com/prometheus/client_golang v1.13.0
+	github.com/prometheus/common v0.37.0
+	github.com/pterm/pterm v0.12.45
+	github.com/puzpuzpuz/xsync v1.4.2
+	github.com/rs/zerolog v1.27.0
+	github.com/spf13/cobra v1.5.0
+	github.com/spf13/viper v1.12.0
+	github.com/stretchr/testify v1.8.0
+	github.com/tailscale/hujson v0.0.0-20220630195928-54599719472f
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
-	github.com/zsais/go-gin-prometheus v0.1.0
-	golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f
-	golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5
-	golang.org/x/sync v0.0.0-20220513210516-0976fa681c29
-	google.golang.org/genproto v0.0.0-20220422154200-b37d22cd5731
-	google.golang.org/grpc v1.46.0
-	google.golang.org/protobuf v1.28.0
+	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
+	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e
+	golang.org/x/oauth2 v0.0.0-20220808172628-8227340efae7
+	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4
+	google.golang.org/genproto v0.0.0-20220808204814-fd01256a5276
+	google.golang.org/grpc v1.48.0
+	google.golang.org/protobuf v1.28.1
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v2 v2.4.0
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
-	gorm.io/driver/postgres v1.3.5
-	gorm.io/gorm v1.23.4
-	inet.af/netaddr v0.0.0-20211027220019-c74959edd3b6
-	tailscale.com v1.26.0
+	gopkg.in/yaml.v3 v3.0.1
+	gorm.io/driver/postgres v1.3.8
+	gorm.io/gorm v1.23.8
+	inet.af/netaddr v0.0.0-20220617031823-097006376321
+	tailscale.com v1.28.0
 )
 
 require (
+	atomicgo.dev/cursor v0.1.1 // indirect
+	atomicgo.dev/keyboard v0.2.8 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
 	github.com/akutz/memconn v0.1.0 // indirect
 	github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 // indirect
-	github.com/atomicgo/cursor v0.0.1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/containerd/continuity v0.0.0-20190827140505-75bee3e2ccb6 // indirect
+	github.com/containerd/console v1.0.3 // indirect
+	github.com/containerd/continuity v0.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/cli v20.10.16+incompatible // indirect
 	github.com/docker/docker v20.10.16+incompatible // indirect
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
-	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/glebarez/go-sqlite v1.16.0 // indirect
-	github.com/go-playground/locales v0.13.0 // indirect
-	github.com/go-playground/universal-translator v0.17.0 // indirect
-	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/glebarez/go-sqlite v1.17.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.8 // indirect
 	github.com/google/go-github v17.0.0+incompatible // indirect
@@ -79,22 +77,21 @@ require (
 	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgconn v1.12.0 // indirect
+	github.com/jackc/pgconn v1.12.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgproto3/v2 v2.3.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
 	github.com/jackc/pgtype v1.11.0 // indirect
-	github.com/jackc/pgx/v4 v4.16.0 // indirect
+	github.com/jackc/pgx/v4 v4.16.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.4 // indirect
 	github.com/josharian/native v1.0.0 // indirect
 	github.com/jsimonetti/rtnetlink v1.1.2-0.20220408201609-d380b505068b // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kr/pretty v0.3.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
-	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/lithammer/fuzzysearch v1.1.5 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
@@ -104,38 +101,34 @@ require (
 	github.com/mdlayher/socket v0.2.3 // indirect
 	github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
-	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/moby/term v0.0.0-20201216013528-df9cb8a40635 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.0.3-0.20220114050600-8b9d41f48198 // indirect
-	github.com/opencontainers/runc v1.0.2 // indirect
-	github.com/pelletier/go-toml v1.9.4 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
+	github.com/opencontainers/runc v1.1.2 // indirect
+	github.com/pelletier/go-toml v1.9.5 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rogpeppe/go-internal v1.8.1-0.20211023094830-115ce09fd6b4 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/spf13/afero v1.8.2 // indirect
-	github.com/spf13/cast v1.4.1 // indirect
+	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.2.0 // indirect
-	github.com/ugorji/go/codec v1.1.7 // indirect
+	github.com/subosito/gotenv v1.3.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778 // indirect
 	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
 	go4.org/mem v0.0.0-20210711025021-927187094b94 // indirect
-	go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 // indirect
-	golang.org/x/net v0.0.0-20220516155154-20f960328961 // indirect
-	golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 // indirect
+	golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d // indirect
 	golang.org/x/term v0.0.0-20220411215600-e5f449aeb171 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11 // indirect
@@ -143,8 +136,9 @@ require (
 	google.golang.org/appengine v1.6.7 // indirect
 	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/square/go-jose.v2 v2.5.1 // indirect
-	modernc.org/libc v1.14.12 // indirect
+	modernc.org/libc v1.16.8 // indirect
 	modernc.org/mathutil v1.4.1 // indirect
-	modernc.org/memory v1.0.7 // indirect
-	modernc.org/sqlite v1.16.0 // indirect
+	modernc.org/memory v1.1.1 // indirect
+	modernc.org/sqlite v1.17.3 // indirect
+	nhooyr.io/websocket v1.8.7 // indirect
 )

go.sum

@@ -1,4 +1,8 @@
 4d63.com/gochecknoglobals v0.1.0/go.mod h1:wfdC5ZjKSPr7CybKEcgJhUOgeAQW1+7WcyK8OvUilfo=
+atomicgo.dev/cursor v0.1.1 h1:0t9sxQomCTRh5ug+hAMCs59x/UmC9QL6Ci5uosINKD4=
+atomicgo.dev/cursor v0.1.1/go.mod h1:Lr4ZJB3U7DfPPOkbH7/6TOtJ4vFGHlgj1nc+n900IpU=
+atomicgo.dev/keyboard v0.2.8 h1:Di09BitwZgdTV1hPyX/b9Cqxi8HVuJQwWivnZUEqlj4=
+atomicgo.dev/keyboard v0.2.8/go.mod h1:BC4w9g00XkxH/f1HXhW2sXmJFOCWbKn9xrOunSFtExQ=
 bitbucket.org/creachadair/shell v0.0.6/go.mod h1:8Qqi/cYk7vPnsOePHroKXDJYmb5x7ENhtiFtfZq8K+M=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
@@ -52,14 +56,16 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 contrib.go.opencensus.io/exporter/stackdriver v0.13.4/go.mod h1:aXENhDJ1Y4lIg4EUaVTwzvYETVNZk10Pu26tevFKLUc=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/AlecAivazis/survey/v2 v2.3.4 h1:pchTU9rsLUSvWEl2Aq9Pv3k0IE2fkqtGxazskAMd9Ng=
-github.com/AlecAivazis/survey/v2 v2.3.4/go.mod h1:hrV6Y/kQCLhIZXGcriDCUBtB3wnN7156gMXJ3+b23xM=
+filippo.io/mkcert v1.4.3 h1:axpnmtrZMM8u5Hf4N3UXxboGemMOV+Tn+e+pkHM6E3o=
+github.com/AlecAivazis/survey/v2 v2.3.5 h1:A8cYupsAZkjaUmhtTYv3sSqc7LO5mp1XDfqe5E/9wRQ=
+github.com/AlecAivazis/survey/v2 v2.3.5/go.mod h1:4AuI9b7RjAR+G7v9+C4YSlX/YL3K3cWNXgWXOhllqvI=
 github.com/Antonboom/errname v0.1.5/go.mod h1:DugbBstvPFQbv/5uLcRRzfrNqKE9tVdVCqWCLp6Cifo=
 github.com/Antonboom/nilnil v0.1.0/go.mod h1:PhHLvRPSghY5Y7mX4TW+BHZQYo1A8flE5H20D3IPZBo=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I=
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@@ -68,8 +74,8 @@ github.com/MarvinJWendt/testza v0.2.8/go.mod h1:nwIcjmr0Zz+Rcwfh3/4UhBp7ePKVhuBE
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@@ -78,7 +84,6 @@ github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030I
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@@ -110,7 +115,6 @@ github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj
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@@ -120,7 +124,6 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
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@@ -129,8 +132,8 @@ github.com/breml/bidichk v0.1.1/go.mod h1:zbfeitpevDUGI7V91Uzzuwrn4Vls8MoBMrwtt7
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@@ -138,11 +141,11 @@ github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cb
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@@ -151,20 +154,20 @@ github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnht
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@@ -172,18 +175,19 @@ github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7
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@@ -193,10 +197,8 @@ github.com/deckarep/golang-set/v2 v2.1.0 h1:g47V4Or+DUdzbs8FxCCmgb6VYd+ptPAngjM6
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@@ -215,7 +217,6 @@ github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5y
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@@ -227,23 +228,24 @@ github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGE
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@@ -251,22 +253,24 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
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@@ -282,7 +286,14 @@ github.com/go-toolsmith/typep v1.0.0/go.mod h1:JSQCQMUPdRlMZFswiq3TGpNp1GMktqkR2
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@@ -299,6 +310,8 @@ github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4er
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@@ -406,6 +419,7 @@ github.com/gorhill/cronexpr v0.0.0-20180427100037-88b0669f7d75/go.mod h1:g2644b0
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@@ -428,8 +442,8 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgf
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@@ -487,8 +501,8 @@ github.com/jackc/pgconn v0.0.0-20190831204454-2fabfa3c18b7/go.mod h1:ZJKsE/KZfsU
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@@ -518,8 +532,8 @@ github.com/jackc/pgx/v4 v4.0.0-20190420224344-cc3461e65d96/go.mod h1:mdxmSJJuR08
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@@ -566,10 +580,11 @@ github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQL
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-github.com/rs/zerolog v1.26.1/go.mod h1:/wSSJWX7lVrsOwlbyTRSOJvqRlc+WjWlfes+CiJ+tmc=
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@@ -837,7 +855,7 @@ github.com/sagikazarmark/crypt v0.1.0/go.mod h1:B/mN0msZuINBtQ1zZLEQcegFJJf9vnYI
 github.com/sanposhiho/wastedassign/v2 v2.0.6/go.mod h1:KyZ0MWTwxxBmfwn33zh3k1dmsbF2ud9pAAGfoLfjhtI=
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@@ -870,13 +888,14 @@ github.com/spf13/afero v1.8.2 h1:xehSyVa0YnHWsJ49JFljMpg1HX19V6NDZ1fkm1Xznbo=
 github.com/spf13/afero v1.8.2/go.mod h1:CtAatgMJh6bJEIs48Ay/FOnkljP3WeGUG0MC1RfAqwo=
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 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
-github.com/spf13/cast v1.4.1 h1:s0hze+J0196ZfEMTs80N7UlFt0BDuQ7Q+JDnHiMWKdA=
 github.com/spf13/cast v1.4.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
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-github.com/spf13/cobra v1.4.0/go.mod h1:Wo4iy3BUC+X2Fybo0PDqwJIv3dNRiZLHQymsfxlB84g=
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@@ -887,13 +906,14 @@ github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
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@@ -902,14 +922,16 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
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 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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@@ -925,6 +947,7 @@ github.com/tmc/grpc-websocket-proxy v0.0.0-20200427203606-3cfed13b9966/go.mod h1
 github.com/tomarrell/wrapcheck/v2 v2.4.0/go.mod h1:68bQ/eJg55BROaRTbMjC7vuhL2OgfoG8bLp9ZyoBfyY=
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@@ -962,8 +985,6 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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 github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
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@@ -998,8 +1019,9 @@ go4.org/intern v0.0.0-20211027215823-ae77deb06f29 h1:UXLjNohABv4S58tHmeuIZDO6e3m
 go4.org/intern v0.0.0-20211027215823-ae77deb06f29/go.mod h1:cS2ma+47FKrLPdXFpr7CuxiTW3eyJbWew4qx0qtQWDA=
 go4.org/mem v0.0.0-20210711025021-927187094b94 h1:OAAkygi2Js191AJP1Ds42MhJRgeofeKGjuoUqNp1QC4=
 go4.org/mem v0.0.0-20210711025021-927187094b94/go.mod h1:reUoABIJ9ikfM5sgtSF3Wushcza7+WeD01VB9Lirh3g=
-go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 h1:Tx9kY6yUkLge/pFG7IEMwDZy6CS2ajFc9TvQdPCW0uA=
 go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37/go.mod h1:FftLjUGFEDu5k8lt0ddY+HcrH/qU/0qk+H8j9/nTl3E=
+go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 h1:FyBZqvoA/jbNzuAWLQE2kG820zMAkcilx6BMjGbL/E4=
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 golang.org/x/crypto v0.0.0-20180501155221-613d6eafa307/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
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@@ -1022,9 +1044,8 @@ golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20211215165025-cf75a172585e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
-golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f h1:OeJjE6G4dgCY4PIXvIRQbE8+RX+uXZyGhUy/ksMGJoc=
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+golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -1035,7 +1056,9 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4=
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+golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5 h1:FR+oGxGfbQu1d+jglI3rCkjAjUnhRSZcUxr+DqlDLNo=
 golang.org/x/exp v0.0.0-20200331195152-e8c3332aa8e5/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
+golang.org/x/exp/typeparams v0.0.0-20220328175248-053ad81199eb h1:fP6C8Xutcp5AlakmT/SkQot0pMicROAsEX7OfNPuG10=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
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@@ -1062,6 +1085,7 @@ golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -1117,8 +1141,9 @@ golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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 golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1135,8 +1160,9 @@ golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210805134026-6f1e6394065a/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
 golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -1149,8 +1175,8 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -1207,11 +1233,9 @@ golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200803210538-64077c9b5642/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200905004654-be1d3432aa8f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201018230417-eeed37f84f13/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1226,7 +1250,6 @@ golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -1238,20 +1261,23 @@ golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -1384,6 +1410,7 @@ golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
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+golang.org/x/tools v0.1.11 h1:loJ25fNOEhSXfHrpoGj91eCUThwdNX6u24rO1xnNteY=
 golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -1491,8 +1518,8 @@ google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67/go.mod h1:ob2IJxKr
 google.golang.org/genproto v0.0.0-20210813162853-db860fec028c/go.mod h1:cFeNkxwySK631ADgubI+/XFU/xp8FD5KIVV4rj8UC5w=
 google.golang.org/genproto v0.0.0-20210821163610-241b8fcbd6c8/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
 google.golang.org/genproto v0.0.0-20210828152312-66f60bf46e71/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
-google.golang.org/genproto v0.0.0-20220422154200-b37d22cd5731 h1:nquqdM9+ps0JZcIiI70+tqoaIFS5Ql4ZuK8UXnz3HfE=
-google.golang.org/genproto v0.0.0-20220422154200-b37d22cd5731/go.mod h1:8w6bsBMX6yCPbAVTeqQHvzxW0EIFigd5lZyahWgyfDo=
+google.golang.org/genproto v0.0.0-20220808204814-fd01256a5276 h1:7PEE9xCtufpGJzrqweakEEnTh7YFELmnKm/ee+5jmfQ=
+google.golang.org/genproto v0.0.0-20220808204814-fd01256a5276/go.mod h1:dbqgFATTzChvnt+ujMdZwITVAJHFtfyN1qUhDqEiIlk=
 google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
@@ -1522,9 +1549,8 @@ google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQ
 google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
-google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
-google.golang.org/grpc v1.46.0 h1:oCjezcn6g6A75TGoKYBPgKmVBLexhYLM6MebdrPApP8=
-google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.48.0 h1:rQOsyJ/8+ufEDJd/Gdsz7HG220Mh9HAhFHRGnIjda0w=
+google.golang.org/grpc v1.48.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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@@ -1539,8 +1565,8 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
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-modernc.org/libc v1.11.45/go.mod h1:Y192orvfVQQYFzCNsn+Xt0Hxt4DiO4USpLNXBlXg/tM=
-modernc.org/libc v1.11.47/go.mod h1:tPkE4PzCTW27E6AIKIR5IwHAQKCAtudEIeAV1/SiyBg=
-modernc.org/libc v1.11.49/go.mod h1:9JrJuK5WTtoTWIFQ7QjX2Mb/bagYdZdscI3xrvHbXjE=
-modernc.org/libc v1.11.51/go.mod h1:R9I8u9TS+meaWLdbfQhq2kFknTW0O3aw3kEMqDDxMaM=
-modernc.org/libc v1.11.53/go.mod h1:5ip5vWYPAoMulkQ5XlSJTy12Sz5U6blOQiYasilVPsU=
-modernc.org/libc v1.11.54/go.mod h1:S/FVnskbzVUrjfBqlGFIPA5m7UwB3n9fojHhCNfSsnw=
-modernc.org/libc v1.11.55/go.mod h1:j2A5YBRm6HjNkoSs/fzZrSxCuwWqcMYTDPLNx0URn3M=
-modernc.org/libc v1.11.56/go.mod h1:pakHkg5JdMLt2OgRadpPOTnyRXm/uzu+Yyg/LSLdi18=
-modernc.org/libc v1.11.58/go.mod h1:ns94Rxv0OWyoQrDqMFfWwka2BcaF6/61CqJRK9LP7S8=
-modernc.org/libc v1.11.71/go.mod h1:DUOmMYe+IvKi9n6Mycyx3DbjfzSKrdr/0Vgt3j7P5gw=
-modernc.org/libc v1.11.75/go.mod h1:dGRVugT6edz361wmD9gk6ax1AbDSe0x5vji0dGJiPT0=
-modernc.org/libc v1.11.82/go.mod h1:NF+Ek1BOl2jeC7lw3a7Jj5PWyHPwWD4aq3wVKxqV1fI=
-modernc.org/libc v1.11.86/go.mod h1:ePuYgoQLmvxdNT06RpGnaDKJmDNEkV7ZPKI2jnsvZoE=
-modernc.org/libc v1.11.87/go.mod h1:Qvd5iXTeLhI5PS0XSyqMY99282y+3euapQFxM7jYnpY=
-modernc.org/libc v1.11.88/go.mod h1:h3oIVe8dxmTcchcFuCcJ4nAWaoiwzKCdv82MM0oiIdQ=
-modernc.org/libc v1.11.98/go.mod h1:ynK5sbjsU77AP+nn61+k+wxUGRx9rOFcIqWYYMaDZ4c=
-modernc.org/libc v1.11.101/go.mod h1:wLLYgEiY2D17NbBOEp+mIJJJBGSiy7fLL4ZrGGZ+8jI=
-modernc.org/libc v1.12.0/go.mod h1:2MH3DaF/gCU8i/UBiVE1VFRos4o523M7zipmwH8SIgQ=
-modernc.org/libc v1.14.1/go.mod h1:npFeGWjmZTjFeWALQLrvklVmAxv4m80jnG3+xI8FdJk=
-modernc.org/libc v1.14.2/go.mod h1:MX1GBLnRLNdvmK9azU9LCxZ5lMyhrbEMK8rG3X/Fe34=
-modernc.org/libc v1.14.3/go.mod h1:GPIvQVOVPizzlqyRX3l756/3ppsAgg1QgPxjr5Q4agQ=
-modernc.org/libc v1.14.6/go.mod h1:2PJHINagVxO4QW/5OQdRrvMYo+bm5ClpUFfyXCYl9ak=
-modernc.org/libc v1.14.7/go.mod h1:f8xfWXW8LW41qb4X5+huVQo5dcfPlq7Cbny2TDheMv0=
-modernc.org/libc v1.14.8/go.mod h1:9+JCLb1MWSY23smyOpIPbd5ED+rSS/ieiDWUpdyO3mo=
-modernc.org/libc v1.14.10/go.mod h1:y1MtIWhwpJFpLYm6grAThtuXJKEsY6xkdZmXbRngIdo=
-modernc.org/libc v1.14.11/go.mod h1:l5/Mz/GrZwOqzwRHA3abgSCnSeJzzTl+Ify0bAwKbAw=
-modernc.org/libc v1.14.12 h1:pUBZTYoISfbb4pCf4PECENpbvwDBxeKc+/dS9LyOWFM=
-modernc.org/libc v1.14.12/go.mod h1:fJdoe23MHu2ruPQkFPPqCpToDi5cckzsbmkI6Ez0LqQ=
-modernc.org/mathutil v1.1.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
+modernc.org/libc v0.0.0-20220428101251-2d5f3daf273b/go.mod h1:p7Mg4+koNjc8jkqwcoFBJx7tXkpj00G77X7A72jXPXA=
+modernc.org/libc v1.16.0/go.mod h1:N4LD6DBE9cf+Dzf9buBlzVJndKr/iJHG97vGLHYnb5A=
+modernc.org/libc v1.16.1/go.mod h1:JjJE0eu4yeK7tab2n4S1w8tlWd9MxXLRzheaRnAKymU=
+modernc.org/libc v1.16.7/go.mod h1:hYIV5VZczAmGZAnG15Vdngn5HSF5cSkbvfz2B7GRuVU=
+modernc.org/libc v1.16.8 h1:Ux98PaOMvolgoFX/YwusFOHBnanXdGRmWgI8ciI2z4o=
+modernc.org/libc v1.16.8/go.mod h1:hYIV5VZczAmGZAnG15Vdngn5HSF5cSkbvfz2B7GRuVU=
 modernc.org/mathutil v1.2.2/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
-modernc.org/mathutil v1.4.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
 modernc.org/mathutil v1.4.1 h1:ij3fYGe8zBF4Vu+g0oT7mB06r8sqGWKuJu1yXeR4by8=
 modernc.org/mathutil v1.4.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
-modernc.org/memory v1.0.4/go.mod h1:nV2OApxradM3/OVbs2/0OsP6nPfakXpi50C7dcoHXlc=
-modernc.org/memory v1.0.5/go.mod h1:B7OYswTRnfGg+4tDH1t1OeUNnsy2viGTdME4tzd+IjM=
-modernc.org/memory v1.0.6/go.mod h1:/0wo5ibyrQiaoUoH7f9D8dnglAmILJ5/cxZlRECf+Nw=
-modernc.org/memory v1.0.7 h1:UE3cxTRFa5tfUibAV7Jqq8P7zRY0OlJg+yWVIIaluEE=
-modernc.org/memory v1.0.7/go.mod h1:/0wo5ibyrQiaoUoH7f9D8dnglAmILJ5/cxZlRECf+Nw=
+modernc.org/memory v1.1.1 h1:bDOL0DIDLQv7bWhP3gMvIrnoFw+Eo6F7a2QK9HPDiFU=
+modernc.org/memory v1.1.1/go.mod h1:/0wo5ibyrQiaoUoH7f9D8dnglAmILJ5/cxZlRECf+Nw=
 modernc.org/opt v0.1.1/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
-modernc.org/sqlite v1.16.0 h1:DdvOGaWN0y+X7t2L7RUD63gcwbVjYZjcBZnA68g44EI=
-modernc.org/sqlite v1.16.0/go.mod h1:Jwe13ItpESZ+78K5WS6+AjXsUg+JvirsjN3iIDO4C8k=
+modernc.org/sqlite v1.17.3 h1:iE+coC5g17LtByDYDWKpR6m2Z9022YrSh3bumwOnIrI=
+modernc.org/sqlite v1.17.3/go.mod h1:10hPVYar9C0kfXuTWGz8s0XtB8uAGymUy51ZzStYe3k=
 modernc.org/strutil v1.1.1/go.mod h1:DE+MQQ/hjKBZS2zNInV5hhcipt5rLPWkmpbGeW5mmdw=
-modernc.org/tcl v1.11.2/go.mod h1:BRzgpajcGdS2qTxniOx9c/dcxjlbA7p12eJNmiriQYo=
+modernc.org/tcl v1.13.1/go.mod h1:XOLfOwzhkljL4itZkK6T72ckMgvj0BDsnKNdZVUOecw=
 modernc.org/token v1.0.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
-modernc.org/z v1.3.2/go.mod h1:PEU2oK2OEA1CfzDTd+8E908qEXhC9s0MfyKp5LZsd+k=
+modernc.org/z v1.5.1/go.mod h1:eWFB510QWW5Th9YGZT81s+LwvaAs3Q2yr4sP0rmLkv8=
 mvdan.cc/gofumpt v0.1.1/go.mod h1:yXG1r1WqZVKWbVRtBWKWX9+CxGYfA51nSomhM0woR48=
 mvdan.cc/interfacer v0.0.0-20180901003855-c20040233aed/go.mod h1:Xkxe497xwlCKkIaQYRfC7CSLworTXY9RMqwhhCm+8Nc=
 mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
 mvdan.cc/unparam v0.0.0-20210104141923-aac4ce9116a7/go.mod h1:hBpJkZE8H/sb+VRFvw2+rBpHNsTBcvSpk61hr8mzXZE=
+nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
+nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-tailscale.com v1.26.0 h1:P52fXdVSBjeMvlCSZew8roeFTzO+dv0MQwTrVnLEKdw=
-tailscale.com v1.26.0/go.mod h1:fEHdIssBhv1Ax889L8TNPDlECCcDpqYm/M+wwVbFFvw=
+software.sslmate.com/src/go-pkcs12 v0.0.0-20210415151418-c5206de65a78 h1:SqYE5+A2qvRhErbsXFfUEUmpWEKxxRSMgGLkvRAFOV4=
+tailscale.com v1.28.0 h1:eW5bJMqw6eu7YUjBcgJY94uIcm5Zv+xpyTxxa7ztZOM=
+tailscale.com v1.28.0/go.mod h1:T9uKhlkxVPdSu1Qvp882evcS/hQ1+TAyZ7sJ/VACGRI=

grpcv1.go

@@ -3,6 +3,7 @@ package headscale
 
 import (
 	"context"
+	"fmt"
 	"strings"
 	"time"
 
@@ -158,7 +159,7 @@ func (api headscaleV1APIServer) RegisterMachine(
 ) (*v1.RegisterMachineResponse, error) {
 	log.Trace().
 		Str("namespace", request.GetNamespace()).
-		Str("machine_key", request.GetKey()).
+		Str("node_key", request.GetKey()).
 		Msg("Registering machine")
 
 	machine, err := api.h.RegisterMachineFromAuthCallback(
@@ -195,13 +196,11 @@ func (api headscaleV1APIServer) SetTags(
 	}
 
 	for _, tag := range request.GetTags() {
-		if strings.Index(tag, "tag:") != 0 {
+		err := validateTag(tag)
+		if err != nil {
 			return &v1.SetTagsResponse{
-					Machine: nil,
-				}, status.Error(
-					codes.InvalidArgument,
-					"Invalid tag detected. Each tag must start with the string 'tag:'",
-				)
+				Machine: nil,
+			}, status.Error(codes.InvalidArgument, err.Error())
 		}
 	}
 
@@ -220,6 +219,19 @@ func (api headscaleV1APIServer) SetTags(
 	return &v1.SetTagsResponse{Machine: machine.toProto()}, nil
 }
 
+func validateTag(tag string) error {
+	if strings.Index(tag, "tag:") != 0 {
+		return fmt.Errorf("tag must start with the string 'tag:'")
+	}
+	if strings.ToLower(tag) != tag {
+		return fmt.Errorf("tag should be lowercase")
+	}
+	if len(strings.Fields(tag)) > 1 {
+		return fmt.Errorf("tag should not contains space")
+	}
+	return nil
+}
+
 func (api headscaleV1APIServer) DeleteMachine(
 	ctx context.Context,
 	request *v1.DeleteMachineRequest,

grpcv1_test.go

@@ -0,0 +1,42 @@
+package headscale
+
+import "testing"
+
+func Test_validateTag(t *testing.T) {
+	type args struct {
+		tag string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name:    "valid tag",
+			args:    args{tag: "tag:test"},
+			wantErr: false,
+		},
+		{
+			name:    "tag without tag prefix",
+			args:    args{tag: "test"},
+			wantErr: true,
+		},
+		{
+			name:    "uppercase tag",
+			args:    args{tag: "tag:tEST"},
+			wantErr: true,
+		},
+		{
+			name:    "tag that contains space",
+			args:    args{tag: "tag:this is a spaced tag"},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := validateTag(tt.args.tag); (err != nil) != tt.wantErr {
+				t.Errorf("validateTag() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}

integration_cli_test.go

@@ -1,5 +1,4 @@
-//go:build integration
-// +build integration
+//go:build integration_cli
 
 package headscale
 
@@ -40,13 +39,13 @@ func (s *IntegrationCLITestSuite) SetupTest() {
 	if ppool, err := dockertest.NewPool(""); err == nil {
 		s.pool = *ppool
 	} else {
-		log.Fatalf("Could not connect to docker: %s", err)
+		s.FailNow(fmt.Sprintf("Could not connect to docker: %s", err), "")
 	}
 
 	if pnetwork, err := s.pool.CreateNetwork("headscale-test"); err == nil {
 		s.network = *pnetwork
 	} else {
-		log.Fatalf("Could not create network: %s", err)
+		s.FailNow(fmt.Sprintf("Could not create network: %s", err), "")
 	}
 
 	headscaleBuildOptions := &dockertest.BuildOptions{
@@ -56,7 +55,7 @@ func (s *IntegrationCLITestSuite) SetupTest() {
 
 	currentPath, err := os.Getwd()
 	if err != nil {
-		log.Fatalf("Could not determine current path: %s", err)
+		s.FailNow(fmt.Sprintf("Could not determine current path: %s", err), "")
 	}
 
 	headscaleOptions := &dockertest.RunOptions{
@@ -68,21 +67,33 @@ func (s *IntegrationCLITestSuite) SetupTest() {
 		Cmd:      []string{"headscale", "serve"},
 	}
 
-	fmt.Println("Creating headscale container")
+	err = s.pool.RemoveContainerByName(headscaleHostname)
+	if err != nil {
+		s.FailNow(
+			fmt.Sprintf(
+				"Could not remove existing container before building test: %s",
+				err,
+			),
+			"",
+		)
+	}
+
+	fmt.Println("Creating headscale container for CLI tests")
 	if pheadscale, err := s.pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, DockerRestartPolicy); err == nil {
 		s.headscale = *pheadscale
 	} else {
-		log.Fatalf("Could not start headscale container: %s", err)
+		s.FailNow(fmt.Sprintf("Could not start headscale container: %s", err), "")
 	}
-	fmt.Println("Created headscale container")
+	fmt.Println("Created headscale container for CLI tests")
 
-	fmt.Println("Waiting for headscale to be ready")
+	fmt.Println("Waiting for headscale to be ready for CLI tests")
 	hostEndpoint := fmt.Sprintf("localhost:%s", s.headscale.GetPort("8080/tcp"))
 
 	if err := s.pool.Retry(func() error {
 		url := fmt.Sprintf("http://%s/health", hostEndpoint)
 		resp, err := http.Get(url)
 		if err != nil {
+			fmt.Printf("headscale for CLI test is not ready: %s\n", err)
 			return err
 		}
 		if resp.StatusCode != http.StatusOK {
@@ -97,7 +108,7 @@ func (s *IntegrationCLITestSuite) SetupTest() {
 		// https://github.com/stretchr/testify/issues/849
 		return // fmt.Errorf("Could not connect to headscale: %s", err)
 	}
-	fmt.Println("headscale container is ready")
+	fmt.Println("headscale container is ready for CLI tests")
 }
 
 func (s *IntegrationCLITestSuite) TearDownTest() {
@@ -620,7 +631,7 @@ func (s *IntegrationCLITestSuite) TestNodeTagCommand() {
 	var errorOutput errOutput
 	err = json.Unmarshal([]byte(wrongTagResult), &errorOutput)
 	assert.Nil(s.T(), err)
-	assert.Contains(s.T(), errorOutput.Error, "Invalid tag detected")
+	assert.Contains(s.T(), errorOutput.Error, "tag must start with the string 'tag:'")
 
 	// Test list all nodes after added seconds
 	listAllResult, err := ExecuteCommand(
@@ -1728,6 +1739,8 @@ func (s *IntegrationCLITestSuite) TestLoadConfigFromCommand() {
 	assert.Nil(s.T(), err)
 	altConfig, err := os.ReadFile("integration_test/etc/alt-config.dump.gold.yaml")
 	assert.Nil(s.T(), err)
+	altEnvConfig, err := os.ReadFile("integration_test/etc/alt-env-config.dump.gold.yaml")
+	assert.Nil(s.T(), err)
 
 	_, err = ExecuteCommand(
 		&s.headscale,
@@ -1760,4 +1773,40 @@ func (s *IntegrationCLITestSuite) TestLoadConfigFromCommand() {
 	assert.Nil(s.T(), err)
 
 	assert.YAMLEq(s.T(), string(altConfig), string(altDumpConfig))
+
+	_, err = ExecuteCommand(
+		&s.headscale,
+		[]string{
+			"headscale",
+			"dumpConfig",
+		},
+		[]string{
+			"HEADSCALE_CONFIG=/etc/headscale/alt-env-config.yaml",
+		},
+	)
+	assert.Nil(s.T(), err)
+
+	altEnvDumpConfig, err := os.ReadFile("integration_test/etc/config.dump.yaml")
+	assert.Nil(s.T(), err)
+
+	assert.YAMLEq(s.T(), string(altEnvConfig), string(altEnvDumpConfig))
+
+	_, err = ExecuteCommand(
+		&s.headscale,
+		[]string{
+			"headscale",
+			"-c",
+			"/etc/headscale/alt-config.yaml",
+			"dumpConfig",
+		},
+		[]string{
+			"HEADSCALE_CONFIG=/etc/headscale/alt-env-config.yaml",
+		},
+	)
+	assert.Nil(s.T(), err)
+
+	altDumpConfig, err = os.ReadFile("integration_test/etc/config.dump.yaml")
+	assert.Nil(s.T(), err)
+
+	assert.YAMLEq(s.T(), string(altConfig), string(altDumpConfig))
 }

integration_common_test.go

@@ -1,12 +1,14 @@
 //go:build integration
-// +build integration
 
 package headscale
 
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
+	"os"
+	"strconv"
 	"strings"
 	"time"
 
@@ -16,16 +18,23 @@ import (
 	"inet.af/netaddr"
 )
 
-const DOCKER_EXECUTE_TIMEOUT = 10 * time.Second
+const (
+	headscaleHostname      = "headscale-derp"
+	DOCKER_EXECUTE_TIMEOUT = 10 * time.Second
+)
 
 var (
+	errEnvVarEmpty = errors.New("getenv: environment variable empty")
+
 	IpPrefix4 = netaddr.MustParseIPPrefix("100.64.0.0/10")
 	IpPrefix6 = netaddr.MustParseIPPrefix("fd7a:115c:a1e0::/48")
 
 	tailscaleVersions = []string{
-		"head",
-		"unstable",
-		"1.26.0",
+		// "head",
+		// "unstable",
+		"1.30.0",
+		"1.28.0",
+		"1.26.2",
 		"1.24.2",
 		"1.22.2",
 		"1.20.4",
@@ -219,7 +228,6 @@ func getIPs(
 func getDNSNames(
 	headscale *dockertest.Resource,
 ) ([]string, error) {
-
 	listAllResult, err := ExecuteCommand(
 		headscale,
 		[]string{
@@ -253,7 +261,6 @@ func getDNSNames(
 func getMagicFQDN(
 	headscale *dockertest.Resource,
 ) ([]string, error) {
-
 	listAllResult, err := ExecuteCommand(
 		headscale,
 		[]string{
@@ -278,8 +285,34 @@ func getMagicFQDN(
 	hostnames := make([]string, len(listAll))
 
 	for index := range listAll {
-		hostnames[index] = fmt.Sprintf("%s.%s.headscale.net", listAll[index].GetGivenName(), listAll[index].GetNamespace().GetName())
+		hostnames[index] = fmt.Sprintf(
+			"%s.%s.headscale.net",
+			listAll[index].GetGivenName(),
+			listAll[index].GetNamespace().GetName(),
+		)
 	}
 
 	return hostnames, nil
 }
+
+func GetEnvStr(key string) (string, error) {
+	v := os.Getenv(key)
+	if v == "" {
+		return v, errEnvVarEmpty
+	}
+
+	return v, nil
+}
+
+func GetEnvBool(key string) (bool, error) {
+	s, err := GetEnvStr(key)
+	if err != nil {
+		return false, err
+	}
+	v, err := strconv.ParseBool(s)
+	if err != nil {
+		return false, err
+	}
+
+	return v, nil
+}

integration_embedded_derp_test.go

@@ -1,4 +1,4 @@
-//go:build integration
+//go:build integration_derp
 
 package headscale
 
@@ -8,7 +8,6 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -28,9 +27,8 @@ import (
 )
 
 const (
-	headscaleHostname = "headscale-derp"
-	namespaceName     = "derpnamespace"
-	totalContainers   = 3
+	namespaceName   = "derpnamespace"
+	totalContainers = 3
 )
 
 type IntegrationDERPTestSuite struct {
@@ -40,41 +38,50 @@ type IntegrationDERPTestSuite struct {
 	pool      dockertest.Pool
 	networks  map[int]dockertest.Network // so we keep the containers isolated
 	headscale dockertest.Resource
+	saveLogs  bool
 
 	tailscales    map[string]dockertest.Resource
 	joinWaitGroup sync.WaitGroup
 }
 
 func TestDERPIntegrationTestSuite(t *testing.T) {
+	saveLogs, err := GetEnvBool("HEADSCALE_INTEGRATION_SAVE_LOG")
+	if err != nil {
+		saveLogs = false
+	}
+
 	s := new(IntegrationDERPTestSuite)
 
 	s.tailscales = make(map[string]dockertest.Resource)
 	s.networks = make(map[int]dockertest.Network)
+	s.saveLogs = saveLogs
 
 	suite.Run(t, s)
 
 	// HandleStats, which allows us to check if we passed and save logs
 	// is called after TearDown, so we cannot tear down containers before
 	// we have potentially saved the logs.
-	for _, tailscale := range s.tailscales {
-		if err := s.pool.Purge(&tailscale); err != nil {
+	if s.saveLogs {
+		for _, tailscale := range s.tailscales {
+			if err := s.pool.Purge(&tailscale); err != nil {
+				log.Printf("Could not purge resource: %s\n", err)
+			}
+		}
+
+		if !s.stats.Passed() {
+			err := s.saveLog(&s.headscale, "test_output")
+			if err != nil {
+				log.Printf("Could not save log: %s\n", err)
+			}
+		}
+		if err := s.pool.Purge(&s.headscale); err != nil {
 			log.Printf("Could not purge resource: %s\n", err)
 		}
-	}
 
-	if !s.stats.Passed() {
-		err := s.saveLog(&s.headscale, "test_output")
-		if err != nil {
-			log.Printf("Could not save log: %s\n", err)
-		}
-	}
-	if err := s.pool.Purge(&s.headscale); err != nil {
-		log.Printf("Could not purge resource: %s\n", err)
-	}
-
-	for _, network := range s.networks {
-		if err := network.Close(); err != nil {
-			log.Printf("Could not close network: %s\n", err)
+		for _, network := range s.networks {
+			if err := network.Close(); err != nil {
+				log.Printf("Could not close network: %s\n", err)
+			}
 		}
 	}
 }
@@ -83,14 +90,14 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 	if ppool, err := dockertest.NewPool(""); err == nil {
 		s.pool = *ppool
 	} else {
-		log.Fatalf("Could not connect to docker: %s", err)
+		s.FailNow(fmt.Sprintf("Could not connect to docker: %s", err), "")
 	}
 
 	for i := 0; i < totalContainers; i++ {
 		if pnetwork, err := s.pool.CreateNetwork(fmt.Sprintf("headscale-derp-%d", i)); err == nil {
 			s.networks[i] = *pnetwork
 		} else {
-			log.Fatalf("Could not create network: %s", err)
+			s.FailNow(fmt.Sprintf("Could not create network: %s", err), "")
 		}
 	}
 
@@ -101,7 +108,7 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 
 	currentPath, err := os.Getwd()
 	if err != nil {
-		log.Fatalf("Could not determine current path: %s", err)
+		s.FailNow(fmt.Sprintf("Could not determine current path: %s", err), "")
 	}
 
 	headscaleOptions := &dockertest.RunOptions{
@@ -120,15 +127,26 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 		},
 	}
 
-	log.Println("Creating headscale container")
+	err = s.pool.RemoveContainerByName(headscaleHostname)
+	if err != nil {
+		s.FailNow(
+			fmt.Sprintf(
+				"Could not remove existing container before building test: %s",
+				err,
+			),
+			"",
+		)
+	}
+
+	log.Println("Creating headscale container for DERP integration tests")
 	if pheadscale, err := s.pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, DockerRestartPolicy); err == nil {
 		s.headscale = *pheadscale
 	} else {
-		log.Fatalf("Could not start headscale container: %s", err)
+		s.FailNow(fmt.Sprintf("Could not start headscale container: %s", err), "")
 	}
-	log.Println("Created headscale container to test DERP")
+	log.Println("Created headscale container for embedded DERP tests")
 
-	log.Println("Creating tailscale containers")
+	log.Println("Creating tailscale containers for embedded DERP tests")
 
 	for i := 0; i < totalContainers; i++ {
 		version := tailscaleVersions[i%len(tailscaleVersions)]
@@ -140,7 +158,7 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 		s.tailscales[hostname] = *container
 	}
 
-	log.Println("Waiting for headscale to be ready")
+	log.Println("Waiting for headscale to be ready for embedded DERP tests")
 	hostEndpoint := fmt.Sprintf("localhost:%s", s.headscale.GetPort("8443/tcp"))
 
 	if err := s.pool.Retry(func() error {
@@ -150,6 +168,7 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 		client := &http.Client{Transport: insecureTransport}
 		resp, err := client.Get(url)
 		if err != nil {
+			fmt.Printf("headscale for embedded DERP tests is not ready: %s\n", err)
 			return err
 		}
 
@@ -165,7 +184,7 @@ func (s *IntegrationDERPTestSuite) SetupSuite() {
 		// https://github.com/stretchr/testify/issues/849
 		return // fmt.Errorf("Could not connect to headscale: %s", err)
 	}
-	log.Println("headscale container is ready")
+	log.Println("headscale container is ready for embedded DERP tests")
 
 	log.Printf("Creating headscale namespace: %s\n", namespaceName)
 	result, err := ExecuteCommand(
@@ -290,6 +309,23 @@ func (s *IntegrationDERPTestSuite) tailscaleContainer(
 }
 
 func (s *IntegrationDERPTestSuite) TearDownSuite() {
+	if !s.saveLogs {
+		for _, tailscale := range s.tailscales {
+			if err := s.pool.Purge(&tailscale); err != nil {
+				log.Printf("Could not purge resource: %s\n", err)
+			}
+		}
+
+		if err := s.pool.Purge(&s.headscale); err != nil {
+			log.Printf("Could not purge resource: %s\n", err)
+		}
+
+		for _, network := range s.networks {
+			if err := network.Close(); err != nil {
+				log.Printf("Could not close network: %s\n", err)
+			}
+		}
+	}
 }
 
 func (s *IntegrationDERPTestSuite) HandleStats(
@@ -331,7 +367,7 @@ func (s *IntegrationDERPTestSuite) saveLog(
 
 	log.Printf("Saving logs for %s to %s\n", resource.Container.Name, basePath)
 
-	err = ioutil.WriteFile(
+	err = os.WriteFile(
 		path.Join(basePath, resource.Container.Name+".stdout.log"),
 		[]byte(stdout.String()),
 		0o644,
@@ -340,7 +376,7 @@ func (s *IntegrationDERPTestSuite) saveLog(
 		return err
 	}
 
-	err = ioutil.WriteFile(
+	err = os.WriteFile(
 		path.Join(basePath, resource.Container.Name+".stderr.log"),
 		[]byte(stdout.String()),
 		0o644,

integration_general_test.go

@@ -1,5 +1,4 @@
-//go:build integration
-// +build integration
+//go:build integration_general
 
 package headscale
 
@@ -9,7 +8,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"net/http"
 	"os"
@@ -36,6 +34,7 @@ type IntegrationTestSuite struct {
 	pool      dockertest.Pool
 	network   dockertest.Network
 	headscale dockertest.Resource
+	saveLogs  bool
 
 	namespaces map[string]TestNamespace
 
@@ -43,6 +42,11 @@ type IntegrationTestSuite struct {
 }
 
 func TestIntegrationTestSuite(t *testing.T) {
+	saveLogs, err := GetEnvBool("HEADSCALE_INTEGRATION_SAVE_LOG")
+	if err != nil {
+		saveLogs = false
+	}
+
 	s := new(IntegrationTestSuite)
 
 	s.namespaces = map[string]TestNamespace{
@@ -55,32 +59,35 @@ func TestIntegrationTestSuite(t *testing.T) {
 			tailscales: make(map[string]dockertest.Resource),
 		},
 	}
+	s.saveLogs = saveLogs
 
 	suite.Run(t, s)
 
 	// HandleStats, which allows us to check if we passed and save logs
 	// is called after TearDown, so we cannot tear down containers before
 	// we have potentially saved the logs.
-	for _, scales := range s.namespaces {
-		for _, tailscale := range scales.tailscales {
-			if err := s.pool.Purge(&tailscale); err != nil {
-				log.Printf("Could not purge resource: %s\n", err)
+	if s.saveLogs {
+		for _, scales := range s.namespaces {
+			for _, tailscale := range scales.tailscales {
+				if err := s.pool.Purge(&tailscale); err != nil {
+					log.Printf("Could not purge resource: %s\n", err)
+				}
 			}
 		}
-	}
 
-	if !s.stats.Passed() {
-		err := s.saveLog(&s.headscale, "test_output")
-		if err != nil {
-			log.Printf("Could not save log: %s\n", err)
+		if !s.stats.Passed() {
+			err := s.saveLog(&s.headscale, "test_output")
+			if err != nil {
+				log.Printf("Could not save log: %s\n", err)
+			}
+		}
+		if err := s.pool.Purge(&s.headscale); err != nil {
+			log.Printf("Could not purge resource: %s\n", err)
 		}
-	}
-	if err := s.pool.Purge(&s.headscale); err != nil {
-		log.Printf("Could not purge resource: %s\n", err)
-	}
 
-	if err := s.network.Close(); err != nil {
-		log.Printf("Could not close network: %s\n", err)
+		if err := s.network.Close(); err != nil {
+			log.Printf("Could not close network: %s\n", err)
+		}
 	}
 }
 
@@ -116,7 +123,7 @@ func (s *IntegrationTestSuite) saveLog(
 
 	log.Printf("Saving logs for %s to %s\n", resource.Container.Name, basePath)
 
-	err = ioutil.WriteFile(
+	err = os.WriteFile(
 		path.Join(basePath, resource.Container.Name+".stdout.log"),
 		[]byte(stdout.String()),
 		0o644,
@@ -125,7 +132,7 @@ func (s *IntegrationTestSuite) saveLog(
 		return err
 	}
 
-	err = ioutil.WriteFile(
+	err = os.WriteFile(
 		path.Join(basePath, resource.Container.Name+".stderr.log"),
 		[]byte(stdout.String()),
 		0o644,
@@ -209,13 +216,13 @@ func (s *IntegrationTestSuite) SetupSuite() {
 	if ppool, err := dockertest.NewPool(""); err == nil {
 		s.pool = *ppool
 	} else {
-		log.Fatalf("Could not connect to docker: %s", err)
+		s.FailNow(fmt.Sprintf("Could not connect to docker: %s", err), "")
 	}
 
 	if pnetwork, err := s.pool.CreateNetwork("headscale-test"); err == nil {
 		s.network = *pnetwork
 	} else {
-		log.Fatalf("Could not create network: %s", err)
+		s.FailNow(fmt.Sprintf("Could not create network: %s", err), "")
 	}
 
 	headscaleBuildOptions := &dockertest.BuildOptions{
@@ -225,7 +232,7 @@ func (s *IntegrationTestSuite) SetupSuite() {
 
 	currentPath, err := os.Getwd()
 	if err != nil {
-		log.Fatalf("Could not determine current path: %s", err)
+		s.FailNow(fmt.Sprintf("Could not determine current path: %s", err), "")
 	}
 
 	headscaleOptions := &dockertest.RunOptions{
@@ -237,15 +244,26 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		Cmd:      []string{"headscale", "serve"},
 	}
 
-	log.Println("Creating headscale container")
+	err = s.pool.RemoveContainerByName(headscaleHostname)
+	if err != nil {
+		s.FailNow(
+			fmt.Sprintf(
+				"Could not remove existing container before building test: %s",
+				err,
+			),
+			"",
+		)
+	}
+
+	log.Println("Creating headscale container for core integration tests")
 	if pheadscale, err := s.pool.BuildAndRunWithBuildOptions(headscaleBuildOptions, headscaleOptions, DockerRestartPolicy); err == nil {
 		s.headscale = *pheadscale
 	} else {
-		log.Fatalf("Could not start headscale container: %s", err)
+		s.FailNow(fmt.Sprintf("Could not start headscale container for core integration tests: %s", err), "")
 	}
-	log.Println("Created headscale container")
+	log.Println("Created headscale container for core integration tests")
 
-	log.Println("Creating tailscale containers")
+	log.Println("Creating tailscale containers for core integration tests")
 	for namespace, scales := range s.namespaces {
 		for i := 0; i < scales.count; i++ {
 			version := tailscaleVersions[i%len(tailscaleVersions)]
@@ -259,7 +277,7 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		}
 	}
 
-	log.Println("Waiting for headscale to be ready")
+	log.Println("Waiting for headscale to be ready for core integration tests")
 	hostEndpoint := fmt.Sprintf("localhost:%s", s.headscale.GetPort("8080/tcp"))
 
 	if err := s.pool.Retry(func() error {
@@ -267,6 +285,7 @@ func (s *IntegrationTestSuite) SetupSuite() {
 
 		resp, err := http.Get(url)
 		if err != nil {
+			fmt.Printf("headscale for core integration test is not ready: %s\n", err)
 			return err
 		}
 
@@ -282,7 +301,7 @@ func (s *IntegrationTestSuite) SetupSuite() {
 		// https://github.com/stretchr/testify/issues/849
 		return // fmt.Errorf("Could not connect to headscale: %s", err)
 	}
-	log.Println("headscale container is ready")
+	log.Println("headscale container is ready for core integration tests")
 
 	for namespace, scales := range s.namespaces {
 		log.Printf("Creating headscale namespace: %s\n", namespace)
@@ -338,6 +357,23 @@ func (s *IntegrationTestSuite) SetupSuite() {
 }
 
 func (s *IntegrationTestSuite) TearDownSuite() {
+	if !s.saveLogs {
+		for _, scales := range s.namespaces {
+			for _, tailscale := range scales.tailscales {
+				if err := s.pool.Purge(&tailscale); err != nil {
+					log.Printf("Could not purge resource: %s\n", err)
+				}
+			}
+		}
+
+		if err := s.pool.Purge(&s.headscale); err != nil {
+			log.Printf("Could not purge resource: %s\n", err)
+		}
+
+		if err := s.network.Close(); err != nil {
+			log.Printf("Could not close network: %s\n", err)
+		}
+	}
 }
 
 func (s *IntegrationTestSuite) HandleStats(
@@ -526,13 +562,25 @@ func (s *IntegrationTestSuite) TestTailDrop() {
 				if peername == hostname {
 					continue
 				}
+
+				var ip4 netaddr.IP
+				for _, ip := range ips[peername] {
+					if ip.Is4() {
+						ip4 = ip
+						break
+					}
+				}
+				if ip4.IsZero() {
+					panic("no ipv4 address found")
+				}
+
 				s.T().Run(fmt.Sprintf("%s-%s", hostname, peername), func(t *testing.T) {
 					command := []string{
 						"tailscale", "file", "cp",
 						fmt.Sprintf("/tmp/file_from_%s", hostname),
-						fmt.Sprintf("%s:", ips[peername][1]),
+						fmt.Sprintf("%s:", ip4),
 					}
-					retry(10, 1*time.Second, func() error {
+					err := retry(10, 1*time.Second, func() error {
 						log.Printf(
 							"Sending file from %s to %s\n",
 							hostname,
@@ -546,6 +594,7 @@ func (s *IntegrationTestSuite) TestTailDrop() {
 						)
 						return err
 					})
+
 					assert.Nil(t, err)
 				})
 			}
@@ -647,6 +696,18 @@ func (s *IntegrationTestSuite) TestMagicDNS() {
 		ips, err := getIPs(scales.tailscales)
 		assert.Nil(s.T(), err)
 
+		retry := func(times int, sleepInverval time.Duration, doWork func() (string, error)) (result string, err error) {
+			for attempts := 0; attempts < times; attempts++ {
+				result, err = doWork()
+				if err == nil {
+					return
+				}
+				time.Sleep(sleepInverval)
+			}
+
+			return
+		}
+
 		for hostname, tailscale := range scales.tailscales {
 			for _, peername := range hostnames {
 				if strings.Contains(peername, hostname) {
@@ -657,17 +718,20 @@ func (s *IntegrationTestSuite) TestMagicDNS() {
 					command := []string{
 						"tailscale", "ip", peername,
 					}
+					result, err := retry(10, 1*time.Second, func() (string, error) {
+						log.Printf(
+							"Resolving name %s from %s\n",
+							peername,
+							hostname,
+						)
+						result, err := ExecuteCommand(
+							&tailscale,
+							command,
+							[]string{},
+						)
+						return result, err
+					})
 
-					log.Printf(
-						"Resolving name %s from %s\n",
-						peername,
-						hostname,
-					)
-					result, err := ExecuteCommand(
-						&tailscale,
-						command,
-						[]string{},
-					)
 					assert.Nil(t, err)
 					log.Printf("Result for %s: %s\n", hostname, result)
 

integration_test/etc/alt-config.dump.gold.yaml

@@ -18,8 +18,10 @@ dns_config:
   domains: []
   magic_dns: true
   nameservers:
+    - 127.0.0.11
     - 1.1.1.1
 ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
 grpc_allow_insecure: false
 grpc_listen_addr: :50443
 ip_prefixes:
@@ -37,6 +39,8 @@ oidc:
     - email
   strip_email_domain: true
 private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
 server_url: http://headscale:18080
 tls_client_auth_mode: relaxed
 tls_letsencrypt_cache_dir: /var/www/.cache

integration_test/etc/alt-config.yaml

@@ -2,6 +2,7 @@ log_level: trace
 acl_policy_path: ""
 db_type: sqlite3
 ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
 ip_prefixes:
   - fd7a:115c:a1e0::/48
   - 100.64.0.0/10
@@ -10,9 +11,12 @@ dns_config:
   magic_dns: true
   domains: []
   nameservers:
+    - 127.0.0.11
     - 1.1.1.1
 db_path: /tmp/integration_test_db.sqlite3
 private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
 listen_addr: 0.0.0.0:18080
 metrics_listen_addr: 127.0.0.1:19090
 server_url: http://headscale:18080

integration_test/etc/alt-env-config.dump.gold.yaml

@@ -0,0 +1,49 @@
+acl_policy_path: ""
+cli:
+  insecure: false
+  timeout: 5s
+db_path: /tmp/integration_test_db.sqlite3
+db_type: sqlite3
+derp:
+  auto_update_enabled: false
+  server:
+    enabled: false
+    stun:
+      enabled: true
+  update_frequency: 1m
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+dns_config:
+  base_domain: headscale.net
+  domains: []
+  magic_dns: true
+  nameservers:
+    - 1.1.1.1
+ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 30s
+grpc_allow_insecure: false
+grpc_listen_addr: :50443
+ip_prefixes:
+  - fd7a:115c:a1e0::/48
+  - 100.64.0.0/10
+listen_addr: 0.0.0.0:18080
+log_level: disabled
+logtail:
+  enabled: false
+metrics_listen_addr: 127.0.0.1:19090
+oidc:
+  scope:
+    - openid
+    - profile
+    - email
+  strip_email_domain: true
+private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
+server_url: http://headscale:18080
+tls_client_auth_mode: relaxed
+tls_letsencrypt_cache_dir: /var/www/.cache
+tls_letsencrypt_challenge_type: HTTP-01
+unix_socket: /var/run/headscale.sock
+unix_socket_permission: "0o770"
+randomize_client_port: false

integration_test/etc/alt-env-config.yaml

@@ -0,0 +1,27 @@
+log_level: trace
+acl_policy_path: ""
+db_type: sqlite3
+ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 30s
+ip_prefixes:
+  - fd7a:115c:a1e0::/48
+  - 100.64.0.0/10
+dns_config:
+  base_domain: headscale.net
+  magic_dns: true
+  domains: []
+  nameservers:
+    - 1.1.1.1
+db_path: /tmp/integration_test_db.sqlite3
+private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
+listen_addr: 0.0.0.0:18080
+metrics_listen_addr: 127.0.0.1:19090
+server_url: http://headscale:18080
+
+derp:
+  urls:
+    - https://controlplane.tailscale.com/derpmap/default
+  auto_update_enabled: false
+  update_frequency: 1m

integration_test/etc/config.dump.gold.yaml

@@ -18,8 +18,10 @@ dns_config:
   domains: []
   magic_dns: true
   nameservers:
+    - 127.0.0.11
     - 1.1.1.1
 ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
 grpc_allow_insecure: false
 grpc_listen_addr: :50443
 ip_prefixes:
@@ -37,6 +39,8 @@ oidc:
     - email
   strip_email_domain: true
 private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
 server_url: http://headscale:8080
 tls_client_auth_mode: relaxed
 tls_letsencrypt_cache_dir: /var/www/.cache

integration_test/etc/config.yaml

@@ -2,6 +2,7 @@ log_level: trace
 acl_policy_path: ""
 db_type: sqlite3
 ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
 ip_prefixes:
   - fd7a:115c:a1e0::/48
   - 100.64.0.0/10
@@ -10,9 +11,12 @@ dns_config:
   magic_dns: true
   domains: []
   nameservers:
+    - 127.0.0.11
     - 1.1.1.1
 db_path: /tmp/integration_test_db.sqlite3
 private_key_path: private.key
+noise:
+  private_key_path: noise_private.key
 listen_addr: 0.0.0.0:8080
 metrics_listen_addr: 127.0.0.1:9090
 server_url: http://headscale:8080

integration_test/etc_embedded_derp/config.yaml

@@ -2,6 +2,7 @@ log_level: trace
 acl_policy_path: ""
 db_type: sqlite3
 ephemeral_node_inactivity_timeout: 30m
+node_update_check_interval: 10s
 ip_prefixes:
   - fd7a:115c:a1e0::/48
   - 100.64.0.0/10
@@ -13,8 +14,10 @@ dns_config:
     - 1.1.1.1
 db_path: /tmp/integration_test_db.sqlite3
 private_key_path: private.key
-listen_addr: 0.0.0.0:8443
-server_url: https://headscale:8443
+noise:
+  private_key_path: noise_private.key
+listen_addr: 0.0.0.0:443
+server_url: https://headscale:443
 tls_cert_path: "/etc/headscale/tls/server.crt"
 tls_key_path: "/etc/headscale/tls/server.key"
 tls_client_auth_mode: disabled

machine.go

@@ -18,14 +18,15 @@ import (
 )
 
 const (
-	errMachineNotFound                  = Error("machine not found")
-	errMachineRouteIsNotAvailable       = Error("route is not available on machine")
-	errMachineAddressesInvalid          = Error("failed to parse machine addresses")
-	errMachineNotFoundRegistrationCache = Error(
+	ErrMachineNotFound                  = Error("machine not found")
+	ErrMachineRouteIsNotAvailable       = Error("route is not available on machine")
+	ErrMachineAddressesInvalid          = Error("failed to parse machine addresses")
+	ErrMachineNotFoundRegistrationCache = Error(
 		"machine not found in registration cache",
 	)
-	errCouldNotConvertMachineInterface = Error("failed to convert machine interface")
-	errHostnameTooLong                 = Error("Hostname too long")
+	ErrCouldNotConvertMachineInterface = Error("failed to convert machine interface")
+	ErrHostnameTooLong                 = Error("Hostname too long")
+	ErrDifferentRegisteredNamespace    = Error("machine was previously registered with a different namespace")
 	MachineGivenNameHashLength         = 8
 	MachineGivenNameTrimSize           = 2
 )
@@ -112,7 +113,7 @@ func (ma *MachineAddresses) Scan(destination interface{}) error {
 		return nil
 
 	default:
-		return fmt.Errorf("%w: unexpected data type %T", errMachineAddressesInvalid, destination)
+		return fmt.Errorf("%w: unexpected data type %T", ErrMachineAddressesInvalid, destination)
 	}
 }
 
@@ -244,8 +245,8 @@ func (h *Headscale) ListPeers(machine *Machine) (Machines, error) {
 		Msg("Finding direct peers")
 
 	machines := Machines{}
-	if err := h.db.Preload("AuthKey").Preload("AuthKey.Namespace").Preload("Namespace").Where("machine_key <> ?",
-		machine.MachineKey).Find(&machines).Error; err != nil {
+	if err := h.db.Preload("AuthKey").Preload("AuthKey.Namespace").Preload("Namespace").Where("node_key <> ?",
+		machine.NodeKey).Find(&machines).Error; err != nil {
 		log.Error().Err(err).Msg("Error accessing db")
 
 		return Machines{}, err
@@ -337,7 +338,7 @@ func (h *Headscale) GetMachine(namespace string, name string) (*Machine, error)
 		}
 	}
 
-	return nil, errMachineNotFound
+	return nil, ErrMachineNotFound
 }
 
 // GetMachineByID finds a Machine by ID and returns the Machine struct.
@@ -350,7 +351,7 @@ func (h *Headscale) GetMachineByID(id uint64) (*Machine, error) {
 	return &m, nil
 }
 
-// GetMachineByMachineKey finds a Machine by ID and returns the Machine struct.
+// GetMachineByMachineKey finds a Machine by its MachineKey and returns the Machine struct.
 func (h *Headscale) GetMachineByMachineKey(
 	machineKey key.MachinePublic,
 ) (*Machine, error) {
@@ -362,6 +363,32 @@ func (h *Headscale) GetMachineByMachineKey(
 	return &m, nil
 }
 
+// GetMachineByNodeKey finds a Machine by its current NodeKey.
+func (h *Headscale) GetMachineByNodeKey(
+	nodeKey key.NodePublic,
+) (*Machine, error) {
+	machine := Machine{}
+	if result := h.db.Preload("Namespace").First(&machine, "node_key = ?",
+		NodePublicKeyStripPrefix(nodeKey)); result.Error != nil {
+		return nil, result.Error
+	}
+
+	return &machine, nil
+}
+
+// GetMachineByAnyNodeKey finds a Machine by its current NodeKey or the old one, and returns the Machine struct.
+func (h *Headscale) GetMachineByAnyNodeKey(
+	nodeKey key.NodePublic, oldNodeKey key.NodePublic,
+) (*Machine, error) {
+	machine := Machine{}
+	if result := h.db.Preload("Namespace").First(&machine, "node_key = ? OR node_key = ?",
+		NodePublicKeyStripPrefix(nodeKey), NodePublicKeyStripPrefix(oldNodeKey)); result.Error != nil {
+		return nil, result.Error
+	}
+
+	return &machine, nil
+}
+
 // UpdateMachineFromDatabase takes a Machine struct pointer (typically already loaded from database
 // and updates it with the latest data from the database.
 func (h *Headscale) UpdateMachineFromDatabase(machine *Machine) error {
@@ -374,11 +401,17 @@ func (h *Headscale) UpdateMachineFromDatabase(machine *Machine) error {
 
 // SetTags takes a Machine struct pointer and update the forced tags.
 func (h *Headscale) SetTags(machine *Machine, tags []string) error {
-	machine.ForcedTags = tags
+	newTags := []string{}
+	for _, tag := range tags {
+		if !contains(newTags, tag) {
+			newTags = append(newTags, tag)
+		}
+	}
+	machine.ForcedTags = newTags
 	if err := h.UpdateACLRules(); err != nil && !errors.Is(err, errEmptyPolicy) {
 		return err
 	}
-	h.setLastStateChangeToNow(machine.Namespace.Name)
+	h.setLastStateChangeToNow()
 
 	if err := h.db.Save(machine).Error; err != nil {
 		return fmt.Errorf("failed to update tags for machine in the database: %w", err)
@@ -392,7 +425,7 @@ func (h *Headscale) ExpireMachine(machine *Machine) error {
 	now := time.Now()
 	machine.Expiry = &now
 
-	h.setLastStateChangeToNow(machine.Namespace.Name)
+	h.setLastStateChangeToNow()
 
 	if err := h.db.Save(machine).Error; err != nil {
 		return fmt.Errorf("failed to expire machine in the database: %w", err)
@@ -419,7 +452,7 @@ func (h *Headscale) RenameMachine(machine *Machine, newName string) error {
 	}
 	machine.GivenName = newName
 
-	h.setLastStateChangeToNow(machine.Namespace.Name)
+	h.setLastStateChangeToNow()
 
 	if err := h.db.Save(machine).Error; err != nil {
 		return fmt.Errorf("failed to rename machine in the database: %w", err)
@@ -435,7 +468,7 @@ func (h *Headscale) RefreshMachine(machine *Machine, expiry time.Time) error {
 	machine.LastSuccessfulUpdate = &now
 	machine.Expiry = &expiry
 
-	h.setLastStateChangeToNow(machine.Namespace.Name)
+	h.setLastStateChangeToNow()
 
 	if err := h.db.Save(machine).Error; err != nil {
 		return fmt.Errorf(
@@ -568,11 +601,14 @@ func (machine Machine) toNode(
 	}
 
 	var machineKey key.MachinePublic
-	err = machineKey.UnmarshalText(
-		[]byte(MachinePublicKeyEnsurePrefix(machine.MachineKey)),
-	)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse machine public key: %w", err)
+	// MachineKey is only used in the legacy protocol
+	if machine.MachineKey != "" {
+		err = machineKey.UnmarshalText(
+			[]byte(MachinePublicKeyEnsurePrefix(machine.MachineKey)),
+		)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse machine public key: %w", err)
+		}
 	}
 
 	var discoKey key.DiscoPublic
@@ -629,7 +665,7 @@ func (machine Machine) toNode(
 			return nil, fmt.Errorf(
 				"hostname %q is too long it cannot except 255 ASCII chars: %w",
 				hostname,
-				errHostnameTooLong,
+				ErrHostnameTooLong,
 			)
 		}
 	} else {
@@ -756,11 +792,11 @@ func getTags(
 }
 
 func (h *Headscale) RegisterMachineFromAuthCallback(
-	machineKeyStr string,
+	nodeKeyStr string,
 	namespaceName string,
 	registrationMethod string,
 ) (*Machine, error) {
-	if machineInterface, ok := h.registrationCache.Get(machineKeyStr); ok {
+	if machineInterface, ok := h.registrationCache.Get(nodeKeyStr); ok {
 		if registrationMachine, ok := machineInterface.(Machine); ok {
 			namespace, err := h.GetNamespace(namespaceName)
 			if err != nil {
@@ -770,6 +806,11 @@ func (h *Headscale) RegisterMachineFromAuthCallback(
 				)
 			}
 
+			// Registration of expired machine with different namespace
+			if registrationMachine.ID != 0 && registrationMachine.NamespaceID != namespace.ID {
+				return nil, ErrDifferentRegisteredNamespace
+			}
+
 			registrationMachine.NamespaceID = namespace.ID
 			registrationMachine.RegisterMethod = registrationMethod
 
@@ -777,13 +818,17 @@ func (h *Headscale) RegisterMachineFromAuthCallback(
 				registrationMachine,
 			)
 
+			if err == nil {
+				h.registrationCache.Delete(nodeKeyStr)
+			}
+
 			return machine, err
 		} else {
-			return nil, errCouldNotConvertMachineInterface
+			return nil, ErrCouldNotConvertMachineInterface
 		}
 	}
 
-	return nil, errMachineNotFoundRegistrationCache
+	return nil, ErrMachineNotFoundRegistrationCache
 }
 
 // RegisterMachine is executed from the CLI to register a new Machine using its MachineKey.
@@ -871,7 +916,7 @@ func (h *Headscale) EnableRoutes(machine *Machine, routeStrs ...string) error {
 			return fmt.Errorf(
 				"route (%s) is not available on node %s: %w",
 				machine.Hostname,
-				newRoute, errMachineRouteIsNotAvailable,
+				newRoute, ErrMachineRouteIsNotAvailable,
 			)
 		}
 	}

machine_test.go

@@ -11,6 +11,7 @@ import (
 	"gopkg.in/check.v1"
 	"inet.af/netaddr"
 	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
 )
 
 func (s *Suite) TestGetMachine(c *check.C) {
@@ -65,6 +66,63 @@ func (s *Suite) TestGetMachineByID(c *check.C) {
 	c.Assert(err, check.IsNil)
 }
 
+func (s *Suite) TestGetMachineByNodeKey(c *check.C) {
+	namespace, err := app.CreateNamespace("test")
+	c.Assert(err, check.IsNil)
+
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = app.GetMachineByID(0)
+	c.Assert(err, check.NotNil)
+
+	nodeKey := key.NewNode()
+
+	machine := Machine{
+		ID:             0,
+		MachineKey:     "foo",
+		NodeKey:        NodePublicKeyStripPrefix(nodeKey.Public()),
+		DiscoKey:       "faa",
+		Hostname:       "testmachine",
+		NamespaceID:    namespace.ID,
+		RegisterMethod: RegisterMethodAuthKey,
+		AuthKeyID:      uint(pak.ID),
+	}
+	app.db.Save(&machine)
+
+	_, err = app.GetMachineByNodeKey(nodeKey.Public())
+	c.Assert(err, check.IsNil)
+}
+
+func (s *Suite) TestGetMachineByAnyNodeKey(c *check.C) {
+	namespace, err := app.CreateNamespace("test")
+	c.Assert(err, check.IsNil)
+
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = app.GetMachineByID(0)
+	c.Assert(err, check.NotNil)
+
+	nodeKey := key.NewNode()
+	oldNodeKey := key.NewNode()
+
+	machine := Machine{
+		ID:             0,
+		MachineKey:     "foo",
+		NodeKey:        NodePublicKeyStripPrefix(nodeKey.Public()),
+		DiscoKey:       "faa",
+		Hostname:       "testmachine",
+		NamespaceID:    namespace.ID,
+		RegisterMethod: RegisterMethodAuthKey,
+		AuthKeyID:      uint(pak.ID),
+	}
+	app.db.Save(&machine)
+
+	_, err = app.GetMachineByAnyNodeKey(nodeKey.Public(), oldNodeKey.Public())
+	c.Assert(err, check.IsNil)
+}
+
 func (s *Suite) TestDeleteMachine(c *check.C) {
 	namespace, err := app.CreateNamespace("test")
 	c.Assert(err, check.IsNil)
@@ -188,8 +246,16 @@ func (s *Suite) TestGetACLFilteredPeers(c *check.C) {
 		Hosts:     map[string]netaddr.IPPrefix{},
 		TagOwners: map[string][]string{},
 		ACLs: []ACL{
-			{Action: "accept", Sources: []string{"admin"}, Destinations: []string{"*:*"}},
-			{Action: "accept", Sources: []string{"test"}, Destinations: []string{"test:*"}},
+			{
+				Action:       "accept",
+				Sources:      []string{"admin"},
+				Destinations: []string{"*:*"},
+			},
+			{
+				Action:       "accept",
+				Sources:      []string{"test"},
+				Destinations: []string{"test:*"},
+			},
 		},
 		Tests: []ACLTest{},
 	}
@@ -280,6 +346,49 @@ func (s *Suite) TestSerdeAddressStrignSlice(c *check.C) {
 	}
 }
 
+func (s *Suite) TestSetTags(c *check.C) {
+	namespace, err := app.CreateNamespace("test")
+	c.Assert(err, check.IsNil)
+
+	pak, err := app.CreatePreAuthKey(namespace.Name, false, false, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = app.GetMachine("test", "testmachine")
+	c.Assert(err, check.NotNil)
+
+	machine := &Machine{
+		ID:             0,
+		MachineKey:     "foo",
+		NodeKey:        "bar",
+		DiscoKey:       "faa",
+		Hostname:       "testmachine",
+		NamespaceID:    namespace.ID,
+		RegisterMethod: RegisterMethodAuthKey,
+		AuthKeyID:      uint(pak.ID),
+	}
+	app.db.Save(machine)
+
+	// assign simple tags
+	sTags := []string{"tag:test", "tag:foo"}
+	err = app.SetTags(machine, sTags)
+	c.Assert(err, check.IsNil)
+	machine, err = app.GetMachine("test", "testmachine")
+	c.Assert(err, check.IsNil)
+	c.Assert(machine.ForcedTags, check.DeepEquals, StringList(sTags))
+
+	// assign duplicat tags, expect no errors but no doubles in DB
+	eTags := []string{"tag:bar", "tag:test", "tag:unknown", "tag:test"}
+	err = app.SetTags(machine, eTags)
+	c.Assert(err, check.IsNil)
+	machine, err = app.GetMachine("test", "testmachine")
+	c.Assert(err, check.IsNil)
+	c.Assert(
+		machine.ForcedTags,
+		check.DeepEquals,
+		StringList([]string{"tag:bar", "tag:test", "tag:unknown"}),
+	)
+}
+
 func Test_getTags(t *testing.T) {
 	type args struct {
 		aclPolicy        *ACLPolicy

namespaces.go

@@ -16,10 +16,10 @@ import (
 )
 
 const (
-	errNamespaceExists          = Error("Namespace already exists")
-	errNamespaceNotFound        = Error("Namespace not found")
-	errNamespaceNotEmptyOfNodes = Error("Namespace not empty: node(s) found")
-	errInvalidNamespaceName     = Error("Invalid namespace name")
+	ErrNamespaceExists          = Error("Namespace already exists")
+	ErrNamespaceNotFound        = Error("Namespace not found")
+	ErrNamespaceNotEmptyOfNodes = Error("Namespace not empty: node(s) found")
+	ErrInvalidNamespaceName     = Error("Invalid namespace name")
 )
 
 const (
@@ -47,7 +47,7 @@ func (h *Headscale) CreateNamespace(name string) (*Namespace, error) {
 	}
 	namespace := Namespace{}
 	if err := h.db.Where("name = ?", name).First(&namespace).Error; err == nil {
-		return nil, errNamespaceExists
+		return nil, ErrNamespaceExists
 	}
 	namespace.Name = name
 	if err := h.db.Create(&namespace).Error; err != nil {
@@ -67,7 +67,7 @@ func (h *Headscale) CreateNamespace(name string) (*Namespace, error) {
 func (h *Headscale) DestroyNamespace(name string) error {
 	namespace, err := h.GetNamespace(name)
 	if err != nil {
-		return errNamespaceNotFound
+		return ErrNamespaceNotFound
 	}
 
 	machines, err := h.ListMachinesInNamespace(name)
@@ -75,7 +75,7 @@ func (h *Headscale) DestroyNamespace(name string) error {
 		return err
 	}
 	if len(machines) > 0 {
-		return errNamespaceNotEmptyOfNodes
+		return ErrNamespaceNotEmptyOfNodes
 	}
 
 	keys, err := h.ListPreAuthKeys(name)
@@ -110,9 +110,9 @@ func (h *Headscale) RenameNamespace(oldName, newName string) error {
 	}
 	_, err = h.GetNamespace(newName)
 	if err == nil {
-		return errNamespaceExists
+		return ErrNamespaceExists
 	}
-	if !errors.Is(err, errNamespaceNotFound) {
+	if !errors.Is(err, ErrNamespaceNotFound) {
 		return err
 	}
 
@@ -132,7 +132,7 @@ func (h *Headscale) GetNamespace(name string) (*Namespace, error) {
 		result.Error,
 		gorm.ErrRecordNotFound,
 	) {
-		return nil, errNamespaceNotFound
+		return nil, ErrNamespaceNotFound
 	}
 
 	return &namespace, nil
@@ -272,7 +272,7 @@ func NormalizeToFQDNRules(name string, stripEmailDomain bool) (string, error) {
 			return "", fmt.Errorf(
 				"label %v is more than 63 chars: %w",
 				elt,
-				errInvalidNamespaceName,
+				ErrInvalidNamespaceName,
 			)
 		}
 	}
@@ -285,21 +285,21 @@ func CheckForFQDNRules(name string) error {
 		return fmt.Errorf(
 			"DNS segment must not be over 63 chars. %v doesn't comply with this rule: %w",
 			name,
-			errInvalidNamespaceName,
+			ErrInvalidNamespaceName,
 		)
 	}
 	if strings.ToLower(name) != name {
 		return fmt.Errorf(
 			"DNS segment should be lowercase. %v doesn't comply with this rule: %w",
 			name,
-			errInvalidNamespaceName,
+			ErrInvalidNamespaceName,
 		)
 	}
 	if invalidCharsInNamespaceRegex.MatchString(name) {
 		return fmt.Errorf(
 			"DNS segment should only be composed of lowercase ASCII letters numbers, hyphen and dots. %v doesn't comply with theses rules: %w",
 			name,
-			errInvalidNamespaceName,
+			ErrInvalidNamespaceName,
 		)
 	}
 

namespaces_test.go

@@ -26,7 +26,7 @@ func (s *Suite) TestCreateAndDestroyNamespace(c *check.C) {
 
 func (s *Suite) TestDestroyNamespaceErrors(c *check.C) {
 	err := app.DestroyNamespace("test")
-	c.Assert(err, check.Equals, errNamespaceNotFound)
+	c.Assert(err, check.Equals, ErrNamespaceNotFound)
 
 	namespace, err := app.CreateNamespace("test")
 	c.Assert(err, check.IsNil)
@@ -60,7 +60,7 @@ func (s *Suite) TestDestroyNamespaceErrors(c *check.C) {
 	app.db.Save(&machine)
 
 	err = app.DestroyNamespace("test")
-	c.Assert(err, check.Equals, errNamespaceNotEmptyOfNodes)
+	c.Assert(err, check.Equals, ErrNamespaceNotEmptyOfNodes)
 }
 
 func (s *Suite) TestRenameNamespace(c *check.C) {
@@ -76,20 +76,20 @@ func (s *Suite) TestRenameNamespace(c *check.C) {
 	c.Assert(err, check.IsNil)
 
 	_, err = app.GetNamespace("test")
-	c.Assert(err, check.Equals, errNamespaceNotFound)
+	c.Assert(err, check.Equals, ErrNamespaceNotFound)
 
 	_, err = app.GetNamespace("test-renamed")
 	c.Assert(err, check.IsNil)
 
 	err = app.RenameNamespace("test-does-not-exit", "test")
-	c.Assert(err, check.Equals, errNamespaceNotFound)
+	c.Assert(err, check.Equals, ErrNamespaceNotFound)
 
 	namespaceTest2, err := app.CreateNamespace("test2")
 	c.Assert(err, check.IsNil)
 	c.Assert(namespaceTest2.Name, check.Equals, "test2")
 
 	err = app.RenameNamespace("test2", "test-renamed")
-	c.Assert(err, check.Equals, errNamespaceExists)
+	c.Assert(err, check.Equals, ErrNamespaceExists)
 }
 
 func (s *Suite) TestGetMapResponseUserProfiles(c *check.C) {
@@ -402,7 +402,7 @@ func (s *Suite) TestSetMachineNamespace(c *check.C) {
 	c.Assert(machine.Namespace.Name, check.Equals, newNamespace.Name)
 
 	err = app.SetMachineNamespace(&machine, "non-existing-namespace")
-	c.Assert(err, check.Equals, errNamespaceNotFound)
+	c.Assert(err, check.Equals, ErrNamespaceNotFound)
 
 	err = app.SetMachineNamespace(&machine, newNamespace.Name)
 	c.Assert(err, check.IsNil)

noise.go

@@ -0,0 +1,40 @@
+package headscale
+
+import (
+	"net/http"
+
+	"github.com/rs/zerolog/log"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
+	"tailscale.com/control/controlhttp"
+	"tailscale.com/net/netutil"
+)
+
+const (
+	// ts2021UpgradePath is the path that the server listens on for the WebSockets upgrade.
+	ts2021UpgradePath = "/ts2021"
+)
+
+// NoiseUpgradeHandler is to upgrade the connection and hijack the net.Conn
+// in order to use the Noise-based TS2021 protocol. Listens in /ts2021.
+func (h *Headscale) NoiseUpgradeHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	log.Trace().Caller().Msgf("Noise upgrade handler for client %s", req.RemoteAddr)
+
+	noiseConn, err := controlhttp.AcceptHTTP(req.Context(), writer, req, *h.noisePrivateKey)
+	if err != nil {
+		log.Error().Err(err).Msg("noise upgrade failed")
+		http.Error(writer, err.Error(), http.StatusInternalServerError)
+
+		return
+	}
+
+	server := http.Server{}
+	server.Handler = h2c.NewHandler(h.noiseMux, &http2.Server{})
+	err = server.Serve(netutil.NewOneConnListener(noiseConn, nil))
+	if err != nil {
+		log.Info().Err(err).Msg("The HTTP2 server was closed")
+	}
+}

oidc.go

@@ -21,6 +21,13 @@ import (
 
 const (
 	randomByteSize = 16
+
+	errEmptyOIDCCallbackParams = Error("empty OIDC callback params")
+	errNoOIDCIDToken           = Error("could not extract ID Token for OIDC callback")
+	errOIDCAllowedDomains      = Error("authenticated principal does not match any allowed domain")
+	errOIDCAllowedUsers        = Error("authenticated principal does not match any allowed user")
+	errOIDCInvalidMachineState = Error("requested machine state key expired before authorisation completed")
+	errOIDCNodeKeyMissing      = Error("could not get node key from cache")
 )
 
 type IDTokenClaims struct {
@@ -61,26 +68,26 @@ func (h *Headscale) initOIDC() error {
 }
 
 // RegisterOIDC redirects to the OIDC provider for authentication
-// Puts machine key in cache so the callback can retrieve it using the oidc state param
-// Listens in /oidc/register/:mKey.
+// Puts NodeKey in cache so the callback can retrieve it using the oidc state param
+// Listens in /oidc/register/:nKey.
 func (h *Headscale) RegisterOIDC(
 	writer http.ResponseWriter,
 	req *http.Request,
 ) {
 	vars := mux.Vars(req)
-	machineKeyStr, ok := vars["mkey"]
-	if !ok || machineKeyStr == "" {
+	nodeKeyStr, ok := vars["nkey"]
+	if !ok || nodeKeyStr == "" {
 		log.Error().
 			Caller().
-			Msg("Missing machine key in URL")
-		http.Error(writer, "Missing machine key in URL", http.StatusBadRequest)
+			Msg("Missing node key in URL")
+		http.Error(writer, "Missing node key in URL", http.StatusBadRequest)
 
 		return
 	}
 
 	log.Trace().
 		Caller().
-		Str("machine_key", machineKeyStr).
+		Str("node_key", nodeKeyStr).
 		Msg("Received oidc register call")
 
 	randomBlob := make([]byte, randomByteSize)
@@ -95,8 +102,8 @@ func (h *Headscale) RegisterOIDC(
 
 	stateStr := hex.EncodeToString(randomBlob)[:32]
 
-	// place the machine key into the state cache, so it can be retrieved later
-	h.registrationCache.Set(stateStr, machineKeyStr, registerCacheExpiration)
+	// place the node key into the state cache, so it can be retrieved later
+	h.registrationCache.Set(stateStr, nodeKeyStr, registerCacheExpiration)
 
 	// Add any extra parameter provided in the configuration to the Authorize Endpoint request
 	extras := make([]oauth2.AuthCodeOption, 0, len(h.cfg.OIDC.ExtraParams))
@@ -128,7 +135,7 @@ var oidcCallbackTemplate = template.Must(
 )
 
 // OIDCCallback handles the callback from the OIDC endpoint
-// Retrieves the mkey from the state cache and adds the machine to the users email namespace
+// Retrieves the nkey from the state cache and adds the machine to the users email namespace
 // TODO: A confirmation page for new machines should be added to avoid phishing vulnerabilities
 // TODO: Add groups information from OIDC tokens into machine HostInfo
 // Listens in /oidc/callback.
@@ -136,6 +143,82 @@ func (h *Headscale) OIDCCallback(
 	writer http.ResponseWriter,
 	req *http.Request,
 ) {
+	code, state, err := validateOIDCCallbackParams(writer, req)
+	if err != nil {
+		return
+	}
+
+	rawIDToken, err := h.getIDTokenForOIDCCallback(writer, code, state)
+	if err != nil {
+		return
+	}
+
+	idToken, err := h.verifyIDTokenForOIDCCallback(writer, rawIDToken)
+	if err != nil {
+		return
+	}
+
+	// TODO: we can use userinfo at some point to grab additional information about the user (groups membership, etc)
+	// userInfo, err := oidcProvider.UserInfo(context.Background(), oauth2.StaticTokenSource(oauth2Token))
+	// if err != nil {
+	// 	c.String(http.StatusBadRequest, fmt.Sprintf("Failed to retrieve userinfo"))
+	// 	return
+	// }
+
+	claims, err := extractIDTokenClaims(writer, idToken)
+	if err != nil {
+		return
+	}
+
+	if err := validateOIDCAllowedDomains(writer, h.cfg.OIDC.AllowedDomains, claims); err != nil {
+		return
+	}
+
+	if err := validateOIDCAllowedUsers(writer, h.cfg.OIDC.AllowedUsers, claims); err != nil {
+		return
+	}
+
+	nodeKey, machineExists, err := h.validateMachineForOIDCCallback(writer, state, claims)
+	if err != nil || machineExists {
+		return
+	}
+
+	namespaceName, err := getNamespaceName(writer, claims, h.cfg.OIDC.StripEmaildomain)
+	if err != nil {
+		return
+	}
+
+	// register the machine if it's new
+	log.Debug().Msg("Registering new machine after successful callback")
+
+	namespace, err := h.findOrCreateNewNamespaceForOIDCCallback(writer, namespaceName)
+	if err != nil {
+		return
+	}
+
+	if err := h.registerMachineForOIDCCallback(writer, namespace, nodeKey); err != nil {
+		return
+	}
+
+	content, err := renderOIDCCallbackTemplate(writer, claims)
+	if err != nil {
+		return
+	}
+
+	writer.Header().Set("Content-Type", "text/html; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	if _, err := writer.Write(content.Bytes()); err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Failed to write response")
+	}
+}
+
+func validateOIDCCallbackParams(
+	writer http.ResponseWriter,
+	req *http.Request,
+) (string, string, error) {
 	code := req.URL.Query().Get("code")
 	state := req.URL.Query().Get("state")
 
@@ -150,9 +233,16 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return "", "", errEmptyOIDCCallbackParams
 	}
 
+	return code, state, nil
+}
+
+func (h *Headscale) getIDTokenForOIDCCallback(
+	writer http.ResponseWriter,
+	code, state string,
+) (string, error) {
 	oauth2Token, err := h.oauth2Config.Exchange(context.Background(), code)
 	if err != nil {
 		log.Error().
@@ -161,15 +251,15 @@ func (h *Headscale) OIDCCallback(
 			Msg("Could not exchange code for token")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
-		_, err := writer.Write([]byte("Could not exchange code for token"))
-		if err != nil {
+		_, werr := writer.Write([]byte("Could not exchange code for token"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return "", err
 	}
 
 	log.Trace().
@@ -190,11 +280,17 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return "", errNoOIDCIDToken
 	}
 
-	verifier := h.oidcProvider.Verifier(&oidc.Config{ClientID: h.cfg.OIDC.ClientID})
+	return rawIDToken, nil
+}
 
+func (h *Headscale) verifyIDTokenForOIDCCallback(
+	writer http.ResponseWriter,
+	rawIDToken string,
+) (*oidc.IDToken, error) {
+	verifier := h.oidcProvider.Verifier(&oidc.Config{ClientID: h.cfg.OIDC.ClientID})
 	idToken, err := verifier.Verify(context.Background(), rawIDToken)
 	if err != nil {
 		log.Error().
@@ -203,48 +299,56 @@ func (h *Headscale) OIDCCallback(
 			Msg("failed to verify id token")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
-		_, err := writer.Write([]byte("Failed to verify id token"))
-		if err != nil {
+		_, werr := writer.Write([]byte("Failed to verify id token"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, err
 	}
 
-	// TODO: we can use userinfo at some point to grab additional information about the user (groups membership, etc)
-	// userInfo, err := oidcProvider.UserInfo(context.Background(), oauth2.StaticTokenSource(oauth2Token))
-	// if err != nil {
-	// 	c.String(http.StatusBadRequest, fmt.Sprintf("Failed to retrieve userinfo"))
-	// 	return
-	// }
+	return idToken, nil
+}
 
-	// Extract custom claims
+func extractIDTokenClaims(
+	writer http.ResponseWriter,
+	idToken *oidc.IDToken,
+) (*IDTokenClaims, error) {
 	var claims IDTokenClaims
-	if err = idToken.Claims(&claims); err != nil {
+	if err := idToken.Claims(&claims); err != nil {
 		log.Error().
 			Err(err).
 			Caller().
 			Msg("Failed to decode id token claims")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
-		_, err := writer.Write([]byte("Failed to decode id token claims"))
-		if err != nil {
+		_, werr := writer.Write([]byte("Failed to decode id token claims"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, err
 	}
 
-	// If AllowedDomains is provided, check that the authenticated principal ends with @<alloweddomain>.
-	if len(h.cfg.OIDC.AllowedDomains) > 0 {
+	return &claims, nil
+}
+
+// validateOIDCAllowedDomains checks that if AllowedDomains is provided,
+// that the authenticated principal ends with @<alloweddomain>.
+func validateOIDCAllowedDomains(
+	writer http.ResponseWriter,
+	allowedDomains []string,
+	claims *IDTokenClaims,
+) error {
+	if len(allowedDomains) > 0 {
 		if at := strings.LastIndex(claims.Email, "@"); at < 0 ||
-			!IsStringInSlice(h.cfg.OIDC.AllowedDomains, claims.Email[at+1:]) {
+			!IsStringInSlice(allowedDomains, claims.Email[at+1:]) {
 			log.Error().Msg("authenticated principal does not match any allowed domain")
 			writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 			writer.WriteHeader(http.StatusBadRequest)
@@ -256,13 +360,22 @@ func (h *Headscale) OIDCCallback(
 					Msg("Failed to write response")
 			}
 
-			return
+			return errOIDCAllowedDomains
 		}
 	}
 
-	// If AllowedUsers is provided, check that the authenticated princial is part of that list.
-	if len(h.cfg.OIDC.AllowedUsers) > 0 &&
-		!IsStringInSlice(h.cfg.OIDC.AllowedUsers, claims.Email) {
+	return nil
+}
+
+// validateOIDCAllowedUsers checks that if AllowedUsers is provided,
+// that the authenticated principal is part of that list.
+func validateOIDCAllowedUsers(
+	writer http.ResponseWriter,
+	allowedUsers []string,
+	claims *IDTokenClaims,
+) error {
+	if len(allowedUsers) > 0 &&
+		!IsStringInSlice(allowedUsers, claims.Email) {
 		log.Error().Msg("authenticated principal does not match any allowed user")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
@@ -274,12 +387,23 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return errOIDCAllowedUsers
 	}
 
+	return nil
+}
+
+// validateMachine retrieves machine information if it exist
+// The error is not important, because if it does not
+// exist, then this is a new machine and we will move
+// on to registration.
+func (h *Headscale) validateMachineForOIDCCallback(
+	writer http.ResponseWriter,
+	state string,
+	claims *IDTokenClaims,
+) (*key.NodePublic, bool, error) {
 	// retrieve machinekey from state cache
 	machineKeyIf, machineKeyFound := h.registrationCache.Get(state)
-
 	if !machineKeyFound {
 		log.Error().
 			Msg("requested machine state key expired before authorisation completed")
@@ -293,36 +417,35 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, false, errOIDCInvalidMachineState
 	}
 
-	machineKeyFromCache, machineKeyOK := machineKeyIf.(string)
-
-	var machineKey key.MachinePublic
-	err = machineKey.UnmarshalText(
-		[]byte(MachinePublicKeyEnsurePrefix(machineKeyFromCache)),
+	var nodeKey key.NodePublic
+	nodeKeyFromCache, nodeKeyOK := machineKeyIf.(string)
+	err := nodeKey.UnmarshalText(
+		[]byte(NodePublicKeyEnsurePrefix(nodeKeyFromCache)),
 	)
 	if err != nil {
 		log.Error().
-			Msg("could not parse machine public key")
+			Msg("could not parse node public key")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
-		_, err := writer.Write([]byte("could not parse public key"))
-		if err != nil {
+		_, werr := writer.Write([]byte("could not parse public key"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, false, err
 	}
 
-	if !machineKeyOK {
-		log.Error().Msg("could not get machine key from cache")
+	if !nodeKeyOK {
+		log.Error().Msg("could not get node key from cache")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusInternalServerError)
-		_, err := writer.Write([]byte("could not get machine key from cache"))
+		_, err := writer.Write([]byte("could not get node key from cache"))
 		if err != nil {
 			log.Error().
 				Caller().
@@ -330,14 +453,14 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, false, errOIDCNodeKeyMissing
 	}
 
 	// retrieve machine information if it exist
 	// The error is not important, because if it does not
 	// exist, then this is a new machine and we will move
 	// on to registration.
-	machine, _ := h.GetMachineByMachineKey(machineKey)
+	machine, _ := h.GetMachineByNodeKey(nodeKey)
 
 	if machine != nil {
 		log.Trace().
@@ -351,9 +474,13 @@ func (h *Headscale) OIDCCallback(
 				Caller().
 				Err(err).
 				Msg("Failed to refresh machine")
-			http.Error(writer, "Failed to refresh machine", http.StatusInternalServerError)
+			http.Error(
+				writer,
+				"Failed to refresh machine",
+				http.StatusInternalServerError,
+			)
 
-			return
+			return nil, true, err
 		}
 
 		var content bytes.Buffer
@@ -369,15 +496,15 @@ func (h *Headscale) OIDCCallback(
 
 			writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 			writer.WriteHeader(http.StatusInternalServerError)
-			_, err := writer.Write([]byte("Could not render OIDC callback template"))
-			if err != nil {
+			_, werr := writer.Write([]byte("Could not render OIDC callback template"))
+			if werr != nil {
 				log.Error().
 					Caller().
-					Err(err).
+					Err(werr).
 					Msg("Failed to write response")
 			}
 
-			return
+			return nil, true, err
 		}
 
 		writer.Header().Set("Content-Type", "text/html; charset=utf-8")
@@ -390,33 +517,45 @@ func (h *Headscale) OIDCCallback(
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, true, nil
 	}
 
+	return &nodeKey, false, nil
+}
+
+func getNamespaceName(
+	writer http.ResponseWriter,
+	claims *IDTokenClaims,
+	stripEmaildomain bool,
+) (string, error) {
 	namespaceName, err := NormalizeToFQDNRules(
 		claims.Email,
-		h.cfg.OIDC.StripEmaildomain,
+		stripEmaildomain,
 	)
 	if err != nil {
 		log.Error().Err(err).Caller().Msgf("couldn't normalize email")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusInternalServerError)
-		_, err := writer.Write([]byte("couldn't normalize email"))
-		if err != nil {
+		_, werr := writer.Write([]byte("couldn't normalize email"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return "", err
 	}
 
-	// register the machine if it's new
-	log.Debug().Msg("Registering new machine after successful callback")
+	return namespaceName, nil
+}
 
+func (h *Headscale) findOrCreateNewNamespaceForOIDCCallback(
+	writer http.ResponseWriter,
+	namespaceName string,
+) (*Namespace, error) {
 	namespace, err := h.GetNamespace(namespaceName)
-	if errors.Is(err, errNamespaceNotFound) {
+	if errors.Is(err, ErrNamespaceNotFound) {
 		namespace, err = h.CreateNamespace(namespaceName)
 
 		if err != nil {
@@ -426,15 +565,15 @@ func (h *Headscale) OIDCCallback(
 				Msgf("could not create new namespace '%s'", namespaceName)
 			writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 			writer.WriteHeader(http.StatusInternalServerError)
-			_, err := writer.Write([]byte("could not create namespace"))
-			if err != nil {
+			_, werr := writer.Write([]byte("could not create namespace"))
+			if werr != nil {
 				log.Error().
 					Caller().
-					Err(err).
+					Err(werr).
 					Msg("Failed to write response")
 			}
 
-			return
+			return nil, err
 		}
 	} else if err != nil {
 		log.Error().
@@ -444,42 +583,56 @@ func (h *Headscale) OIDCCallback(
 			Msg("could not find or create namespace")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusInternalServerError)
-		_, err := writer.Write([]byte("could not find or create namespace"))
-		if err != nil {
+		_, werr := writer.Write([]byte("could not find or create namespace"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, err
 	}
 
-	machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
+	return namespace, nil
+}
 
-	_, err = h.RegisterMachineFromAuthCallback(
-		machineKeyStr,
+func (h *Headscale) registerMachineForOIDCCallback(
+	writer http.ResponseWriter,
+	namespace *Namespace,
+	nodeKey *key.NodePublic,
+) error {
+	nodeKeyStr := NodePublicKeyStripPrefix(*nodeKey)
+
+	if _, err := h.RegisterMachineFromAuthCallback(
+		nodeKeyStr,
 		namespace.Name,
 		RegisterMethodOIDC,
-	)
-	if err != nil {
+	); err != nil {
 		log.Error().
 			Caller().
 			Err(err).
 			Msg("could not register machine")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusInternalServerError)
-		_, err := writer.Write([]byte("could not register machine"))
-		if err != nil {
+		_, werr := writer.Write([]byte("could not register machine"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return err
 	}
 
+	return nil
+}
+
+func renderOIDCCallbackTemplate(
+	writer http.ResponseWriter,
+	claims *IDTokenClaims,
+) (*bytes.Buffer, error) {
 	var content bytes.Buffer
 	if err := oidcCallbackTemplate.Execute(&content, oidcCallbackTemplateConfig{
 		User: claims.Email,
@@ -493,24 +646,16 @@ func (h *Headscale) OIDCCallback(
 
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusInternalServerError)
-		_, err := writer.Write([]byte("Could not render OIDC callback template"))
-		if err != nil {
+		_, werr := writer.Write([]byte("Could not render OIDC callback template"))
+		if werr != nil {
 			log.Error().
 				Caller().
-				Err(err).
+				Err(werr).
 				Msg("Failed to write response")
 		}
 
-		return
+		return nil, err
 	}
 
-	writer.Header().Set("Content-Type", "text/html; charset=utf-8")
-	writer.WriteHeader(http.StatusOK)
-	_, err = writer.Write(content.Bytes())
-	if err != nil {
-		log.Error().
-			Caller().
-			Err(err).
-			Msg("Failed to write response")
-	}
+	return &content, nil
 }

platform_config.go

@@ -325,7 +325,9 @@ func (h *Headscale) ApplePlatformConfig(
 	default:
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)
-		_, err := writer.Write([]byte("Invalid platform, only ios and macos is supported"))
+		_, err := writer.Write(
+			[]byte("Invalid platform, only ios and macos is supported"),
+		)
 		if err != nil {
 			log.Error().
 				Caller().
@@ -362,7 +364,8 @@ func (h *Headscale) ApplePlatformConfig(
 		return
 	}
 
-	writer.Header().Set("Content-Type", "application/x-apple-aspen-config; charset=utf-8")
+	writer.Header().
+		Set("Content-Type", "application/x-apple-aspen-config; charset=utf-8")
 	writer.WriteHeader(http.StatusOK)
 	_, err = writer.Write(content.Bytes())
 	if err != nil {

preauth_keys.go

@@ -14,10 +14,10 @@ import (
 )
 
 const (
-	errPreAuthKeyNotFound          = Error("AuthKey not found")
-	errPreAuthKeyExpired           = Error("AuthKey expired")
-	errSingleUseAuthKeyHasBeenUsed = Error("AuthKey has already been used")
-	errNamespaceMismatch           = Error("namespace mismatch")
+	ErrPreAuthKeyNotFound          = Error("AuthKey not found")
+	ErrPreAuthKeyExpired           = Error("AuthKey expired")
+	ErrSingleUseAuthKeyHasBeenUsed = Error("AuthKey has already been used")
+	ErrNamespaceMismatch           = Error("namespace mismatch")
 )
 
 // PreAuthKey describes a pre-authorization key usable in a particular namespace.
@@ -92,7 +92,7 @@ func (h *Headscale) GetPreAuthKey(namespace string, key string) (*PreAuthKey, er
 	}
 
 	if pak.Namespace.Name != namespace {
-		return nil, errNamespaceMismatch
+		return nil, ErrNamespaceMismatch
 	}
 
 	return pak, nil
@@ -135,11 +135,11 @@ func (h *Headscale) checkKeyValidity(k string) (*PreAuthKey, error) {
 		result.Error,
 		gorm.ErrRecordNotFound,
 	) {
-		return nil, errPreAuthKeyNotFound
+		return nil, ErrPreAuthKeyNotFound
 	}
 
 	if pak.Expiration != nil && pak.Expiration.Before(time.Now()) {
-		return nil, errPreAuthKeyExpired
+		return nil, ErrPreAuthKeyExpired
 	}
 
 	if pak.Reusable || pak.Ephemeral { // we don't need to check if has been used before
@@ -152,7 +152,7 @@ func (h *Headscale) checkKeyValidity(k string) (*PreAuthKey, error) {
 	}
 
 	if len(machines) != 0 || pak.Used {
-		return nil, errSingleUseAuthKeyHasBeenUsed
+		return nil, ErrSingleUseAuthKeyHasBeenUsed
 	}
 
 	return &pak, nil

preauth_keys_test.go

@@ -44,13 +44,13 @@ func (*Suite) TestExpiredPreAuthKey(c *check.C) {
 	c.Assert(err, check.IsNil)
 
 	key, err := app.checkKeyValidity(pak.Key)
-	c.Assert(err, check.Equals, errPreAuthKeyExpired)
+	c.Assert(err, check.Equals, ErrPreAuthKeyExpired)
 	c.Assert(key, check.IsNil)
 }
 
 func (*Suite) TestPreAuthKeyDoesNotExist(c *check.C) {
 	key, err := app.checkKeyValidity("potatoKey")
-	c.Assert(err, check.Equals, errPreAuthKeyNotFound)
+	c.Assert(err, check.Equals, ErrPreAuthKeyNotFound)
 	c.Assert(key, check.IsNil)
 }
 
@@ -86,7 +86,7 @@ func (*Suite) TestAlreadyUsedKey(c *check.C) {
 	app.db.Save(&machine)
 
 	key, err := app.checkKeyValidity(pak.Key)
-	c.Assert(err, check.Equals, errSingleUseAuthKeyHasBeenUsed)
+	c.Assert(err, check.Equals, ErrSingleUseAuthKeyHasBeenUsed)
 	c.Assert(key, check.IsNil)
 }
 
@@ -174,7 +174,7 @@ func (*Suite) TestExpirePreauthKey(c *check.C) {
 	c.Assert(pak.Expiration, check.NotNil)
 
 	key, err := app.checkKeyValidity(pak.Key)
-	c.Assert(err, check.Equals, errPreAuthKeyExpired)
+	c.Assert(err, check.Equals, ErrPreAuthKeyExpired)
 	c.Assert(key, check.IsNil)
 }
 
@@ -188,5 +188,5 @@ func (*Suite) TestNotReusableMarkedAsUsed(c *check.C) {
 	app.db.Save(&pak)
 
 	_, err = app.checkKeyValidity(pak.Key)
-	c.Assert(err, check.Equals, errSingleUseAuthKeyHasBeenUsed)
+	c.Assert(err, check.Equals, ErrSingleUseAuthKeyHasBeenUsed)
 }

protocol_common.go

@@ -0,0 +1,749 @@
+package headscale
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/rs/zerolog/log"
+	"gorm.io/gorm"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+const (
+	// The CapabilityVersion is used by Tailscale clients to indicate
+	// their codebase version. Tailscale clients can communicate over TS2021
+	// from CapabilityVersion 28, but we only have good support for it
+	// since https://github.com/tailscale/tailscale/pull/4323 (Noise in any HTTPS port).
+	//
+	// Related to this change, there is https://github.com/tailscale/tailscale/pull/5379,
+	// where CapabilityVersion 39 is introduced to indicate #4323 was merged.
+	//
+	// See also https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go
+	NoiseCapabilityVersion = 39
+)
+
+// KeyHandler provides the Headscale pub key
+// Listens in /key.
+func (h *Headscale) KeyHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	// New Tailscale clients send a 'v' parameter to indicate the CurrentCapabilityVersion
+	clientCapabilityStr := req.URL.Query().Get("v")
+	if clientCapabilityStr != "" {
+		log.Debug().
+			Str("handler", "/key").
+			Str("v", clientCapabilityStr).
+			Msg("New noise client")
+		clientCapabilityVersion, err := strconv.Atoi(clientCapabilityStr)
+		if err != nil {
+			writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+			writer.WriteHeader(http.StatusBadRequest)
+			_, err := writer.Write([]byte("Wrong params"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
+
+			return
+		}
+
+		// TS2021 (Tailscale v2 protocol) requires to have a different key
+		if clientCapabilityVersion >= NoiseCapabilityVersion {
+			resp := tailcfg.OverTLSPublicKeyResponse{
+				LegacyPublicKey: h.privateKey.Public(),
+				PublicKey:       h.noisePrivateKey.Public(),
+			}
+			writer.Header().Set("Content-Type", "application/json")
+			writer.WriteHeader(http.StatusOK)
+			err = json.NewEncoder(writer).Encode(resp)
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
+
+			return
+		}
+	}
+	log.Debug().
+		Str("handler", "/key").
+		Msg("New legacy client")
+
+	// Old clients don't send a 'v' parameter, so we send the legacy public key
+	writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err := writer.Write([]byte(MachinePublicKeyStripPrefix(h.privateKey.Public())))
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Failed to write response")
+	}
+}
+
+// handleRegisterCommon is the common logic for registering a client in the legacy and Noise protocols
+//
+// When using Noise, the machineKey is Zero.
+func (h *Headscale) handleRegisterCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	registerRequest tailcfg.RegisterRequest,
+	machineKey key.MachinePublic,
+) {
+	now := time.Now().UTC()
+	machine, err := h.GetMachineByAnyNodeKey(registerRequest.NodeKey, registerRequest.OldNodeKey)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		// If the machine has AuthKey set, handle registration via PreAuthKeys
+		if registerRequest.Auth.AuthKey != "" {
+			h.handleAuthKeyCommon(writer, req, registerRequest, machineKey)
+
+			return
+		}
+
+		// Check if the node is waiting for interactive login.
+		//
+		// TODO(juan): We could use this field to improve our protocol implementation,
+		// and hold the request until the client closes it, or the interactive
+		// login is completed (i.e., the user registers the machine).
+		// This is not implemented yet, as it is no strictly required. The only side-effect
+		// is that the client will hammer headscale with requests until it gets a
+		// successful RegisterResponse.
+		if registerRequest.Followup != "" {
+			if _, ok := h.registrationCache.Get(NodePublicKeyStripPrefix(registerRequest.NodeKey)); ok {
+				log.Debug().
+					Caller().
+					Str("machine", registerRequest.Hostinfo.Hostname).
+					Str("node_key", registerRequest.NodeKey.ShortString()).
+					Str("node_key_old", registerRequest.OldNodeKey.ShortString()).
+					Str("follow_up", registerRequest.Followup).
+					Bool("noise", machineKey.IsZero()).
+					Msg("Machine is waiting for interactive login")
+
+				ticker := time.NewTicker(registrationHoldoff)
+				select {
+				case <-req.Context().Done():
+					return
+				case <-ticker.C:
+					h.handleNewMachineCommon(writer, req, registerRequest, machineKey)
+
+					return
+				}
+			}
+		}
+
+		log.Info().
+			Caller().
+			Str("machine", registerRequest.Hostinfo.Hostname).
+			Str("node_key", registerRequest.NodeKey.ShortString()).
+			Str("node_key_old", registerRequest.OldNodeKey.ShortString()).
+			Str("follow_up", registerRequest.Followup).
+			Bool("noise", machineKey.IsZero()).
+			Msg("New machine not yet in the database")
+
+		givenName, err := h.GenerateGivenName(registerRequest.Hostinfo.Hostname)
+		if err != nil {
+			log.Error().
+				Caller().
+				Str("func", "RegistrationHandler").
+				Str("hostinfo.name", registerRequest.Hostinfo.Hostname).
+				Err(err)
+
+			return
+		}
+
+		// The machine did not have a key to authenticate, which means
+		// that we rely on a method that calls back some how (OpenID or CLI)
+		// We create the machine and then keep it around until a callback
+		// happens
+		newMachine := Machine{
+			MachineKey: MachinePublicKeyStripPrefix(machineKey),
+			Hostname:   registerRequest.Hostinfo.Hostname,
+			GivenName:  givenName,
+			NodeKey:    NodePublicKeyStripPrefix(registerRequest.NodeKey),
+			LastSeen:   &now,
+			Expiry:     &time.Time{},
+		}
+
+		if !registerRequest.Expiry.IsZero() {
+			log.Trace().
+				Caller().
+				Bool("noise", machineKey.IsZero()).
+				Str("machine", registerRequest.Hostinfo.Hostname).
+				Time("expiry", registerRequest.Expiry).
+				Msg("Non-zero expiry time requested")
+			newMachine.Expiry = &registerRequest.Expiry
+		}
+
+		h.registrationCache.Set(
+			newMachine.NodeKey,
+			newMachine,
+			registerCacheExpiration,
+		)
+
+		h.handleNewMachineCommon(writer, req, registerRequest, machineKey)
+
+		return
+	}
+
+	// The machine is already registered, so we need to pass through reauth or key update.
+	if machine != nil {
+		// If the NodeKey stored in headscale is the same as the key presented in a registration
+		// request, then we have a node that is either:
+		// - Trying to log out (sending a expiry in the past)
+		// - A valid, registered machine, looking for the node map
+		// - Expired machine wanting to reauthenticate
+		if machine.NodeKey == NodePublicKeyStripPrefix(registerRequest.NodeKey) {
+			// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
+			//   https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
+			if !registerRequest.Expiry.IsZero() &&
+				registerRequest.Expiry.UTC().Before(now) {
+				h.handleMachineLogOutCommon(writer, req, *machine, machineKey)
+
+				return
+			}
+
+			// If machine is not expired, and is register, we have a already accepted this machine,
+			// let it proceed with a valid registration
+			if !machine.isExpired() {
+				h.handleMachineValidRegistrationCommon(writer, req, *machine, machineKey)
+
+				return
+			}
+		}
+
+		// The NodeKey we have matches OldNodeKey, which means this is a refresh after a key expiration
+		if machine.NodeKey == NodePublicKeyStripPrefix(registerRequest.OldNodeKey) &&
+			!machine.isExpired() {
+			h.handleMachineRefreshKeyCommon(
+				writer,
+				req,
+				registerRequest,
+				*machine,
+				machineKey,
+			)
+
+			return
+		}
+
+		// The machine has expired
+		h.handleMachineExpiredCommon(writer, req, registerRequest, *machine, machineKey)
+
+		machine.Expiry = &time.Time{}
+		h.registrationCache.Set(
+			NodePublicKeyStripPrefix(registerRequest.NodeKey),
+			*machine,
+			registerCacheExpiration,
+		)
+
+		return
+	}
+}
+
+// handleAuthKeyCommon contains the logic to manage auth key client registration
+// It is used both by the legacy and the new Noise protocol.
+// When using Noise, the machineKey is Zero.
+//
+// TODO: check if any locks are needed around IP allocation.
+func (h *Headscale) handleAuthKeyCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	registerRequest tailcfg.RegisterRequest,
+	machineKey key.MachinePublic,
+) {
+	log.Debug().
+		Str("func", "handleAuthKeyCommon").
+		Str("machine", registerRequest.Hostinfo.Hostname).
+		Bool("noise", machineKey.IsZero()).
+		Msgf("Processing auth key for %s", registerRequest.Hostinfo.Hostname)
+	resp := tailcfg.RegisterResponse{}
+
+	pak, err := h.checkKeyValidity(registerRequest.Auth.AuthKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "handleAuthKeyCommon").
+			Bool("noise", machineKey.IsZero()).
+			Str("machine", registerRequest.Hostinfo.Hostname).
+			Err(err).
+			Msg("Failed authentication via AuthKey")
+		resp.MachineAuthorized = false
+
+		respBody, err := h.marshalResponse(resp, machineKey)
+		if err != nil {
+			log.Error().
+				Caller().
+				Str("func", "handleAuthKeyCommon").
+				Bool("noise", machineKey.IsZero()).
+				Str("machine", registerRequest.Hostinfo.Hostname).
+				Err(err).
+				Msg("Cannot encode message")
+			http.Error(writer, "Internal server error", http.StatusInternalServerError)
+			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
+				Inc()
+
+			return
+		}
+
+		writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+		writer.WriteHeader(http.StatusUnauthorized)
+		_, err = writer.Write(respBody)
+		if err != nil {
+			log.Error().
+				Caller().
+				Bool("noise", machineKey.IsZero()).
+				Err(err).
+				Msg("Failed to write response")
+		}
+
+		log.Error().
+			Caller().
+			Str("func", "handleAuthKeyCommon").
+			Bool("noise", machineKey.IsZero()).
+			Str("machine", registerRequest.Hostinfo.Hostname).
+			Msg("Failed authentication via AuthKey")
+
+		if pak != nil {
+			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
+				Inc()
+		} else {
+			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", "unknown").Inc()
+		}
+
+		return
+	}
+
+	log.Debug().
+		Str("func", "handleAuthKeyCommon").
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", registerRequest.Hostinfo.Hostname).
+		Msg("Authentication key was valid, proceeding to acquire IP addresses")
+
+	nodeKey := NodePublicKeyStripPrefix(registerRequest.NodeKey)
+
+	// retrieve machine information if it exist
+	// The error is not important, because if it does not
+	// exist, then this is a new machine and we will move
+	// on to registration.
+	machine, _ := h.GetMachineByAnyNodeKey(registerRequest.NodeKey, registerRequest.OldNodeKey)
+	if machine != nil {
+		log.Trace().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Str("machine", machine.Hostname).
+			Msg("machine was already registered before, refreshing with new auth key")
+
+		machine.NodeKey = nodeKey
+		machine.AuthKeyID = uint(pak.ID)
+		err := h.RefreshMachine(machine, registerRequest.Expiry)
+		if err != nil {
+			log.Error().
+				Caller().
+				Bool("noise", machineKey.IsZero()).
+				Str("machine", machine.Hostname).
+				Err(err).
+				Msg("Failed to refresh machine")
+
+			return
+		}
+	} else {
+		now := time.Now().UTC()
+
+		givenName, err := h.GenerateGivenName(registerRequest.Hostinfo.Hostname)
+		if err != nil {
+			log.Error().
+				Caller().
+				Bool("noise", machineKey.IsZero()).
+				Str("func", "RegistrationHandler").
+				Str("hostinfo.name", registerRequest.Hostinfo.Hostname).
+				Err(err)
+
+			return
+		}
+
+		machineToRegister := Machine{
+			Hostname:       registerRequest.Hostinfo.Hostname,
+			GivenName:      givenName,
+			NamespaceID:    pak.Namespace.ID,
+			MachineKey:     MachinePublicKeyStripPrefix(machineKey),
+			RegisterMethod: RegisterMethodAuthKey,
+			Expiry:         &registerRequest.Expiry,
+			NodeKey:        nodeKey,
+			LastSeen:       &now,
+			AuthKeyID:      uint(pak.ID),
+		}
+
+		machine, err = h.RegisterMachine(
+			machineToRegister,
+		)
+		if err != nil {
+			log.Error().
+				Caller().
+				Bool("noise", machineKey.IsZero()).
+				Err(err).
+				Msg("could not register machine")
+			machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
+				Inc()
+			http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+			return
+		}
+	}
+
+	err = h.UsePreAuthKey(pak)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Failed to use pre-auth key")
+		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
+			Inc()
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	resp.MachineAuthorized = true
+	resp.User = *pak.Namespace.toUser()
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Str("func", "handleAuthKeyCommon").
+			Str("machine", registerRequest.Hostinfo.Hostname).
+			Err(err).
+			Msg("Cannot encode message")
+		machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
+			Inc()
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+	machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "success", pak.Namespace.Name).
+		Inc()
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Str("func", "handleAuthKeyCommon").
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", registerRequest.Hostinfo.Hostname).
+		Str("ips", strings.Join(machine.IPAddresses.ToStringSlice(), ", ")).
+		Msg("Successfully authenticated via AuthKey")
+}
+
+// handleNewMachineCommon exposes for both legacy and Noise the functionality to get a URL
+// for authorizing the machine. This url is then showed to the user by the local Tailscale client.
+func (h *Headscale) handleNewMachineCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	registerRequest tailcfg.RegisterRequest,
+	machineKey key.MachinePublic,
+) {
+	resp := tailcfg.RegisterResponse{}
+
+	// The machine registration is new, redirect the client to the registration URL
+	log.Debug().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", registerRequest.Hostinfo.Hostname).
+		Msg("The node seems to be new, sending auth url")
+	if h.cfg.OIDC.Issuer != "" {
+		resp.AuthURL = fmt.Sprintf(
+			"%s/oidc/register/%s",
+			strings.TrimSuffix(h.cfg.ServerURL, "/"),
+			NodePublicKeyStripPrefix(registerRequest.NodeKey),
+		)
+	} else {
+		resp.AuthURL = fmt.Sprintf("%s/register/%s",
+			strings.TrimSuffix(h.cfg.ServerURL, "/"),
+			NodePublicKeyStripPrefix(registerRequest.NodeKey))
+	}
+
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Cannot encode message")
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Bool("noise", machineKey.IsZero()).
+			Caller().
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", registerRequest.Hostinfo.Hostname).
+		Msg("Successfully sent auth url")
+}
+
+func (h *Headscale) handleMachineLogOutCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	machine Machine,
+	machineKey key.MachinePublic,
+) {
+	resp := tailcfg.RegisterResponse{}
+
+	log.Info().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Client requested logout")
+
+	err := h.ExpireMachine(&machine)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Str("func", "handleMachineLogOutCommon").
+			Err(err).
+			Msg("Failed to expire machine")
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	resp.AuthURL = ""
+	resp.MachineAuthorized = false
+	resp.User = *machine.Namespace.toUser()
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Cannot encode message")
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Bool("noise", machineKey.IsZero()).
+			Caller().
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Successfully logged out")
+}
+
+func (h *Headscale) handleMachineValidRegistrationCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	machine Machine,
+	machineKey key.MachinePublic,
+) {
+	resp := tailcfg.RegisterResponse{}
+
+	// The machine registration is valid, respond with redirect to /map
+	log.Debug().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Client is registered and we have the current NodeKey. All clear to /map")
+
+	resp.AuthURL = ""
+	resp.MachineAuthorized = true
+	resp.User = *machine.Namespace.toUser()
+	resp.Login = *machine.Namespace.toLogin()
+
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Cannot encode message")
+		machineRegistrations.WithLabelValues("update", "web", "error", machine.Namespace.Name).
+			Inc()
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+	machineRegistrations.WithLabelValues("update", "web", "success", machine.Namespace.Name).
+		Inc()
+
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Machine successfully authorized")
+}
+
+func (h *Headscale) handleMachineRefreshKeyCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	registerRequest tailcfg.RegisterRequest,
+	machine Machine,
+	machineKey key.MachinePublic,
+) {
+	resp := tailcfg.RegisterResponse{}
+
+	log.Debug().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("We have the OldNodeKey in the database. This is a key refresh")
+	machine.NodeKey = NodePublicKeyStripPrefix(registerRequest.NodeKey)
+
+	if err := h.db.Save(&machine).Error; err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Failed to update machine key in the database")
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	resp.AuthURL = ""
+	resp.User = *machine.Namespace.toUser()
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Cannot encode message")
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("node_key", registerRequest.NodeKey.ShortString()).
+		Str("old_node_key", registerRequest.OldNodeKey.ShortString()).
+		Str("machine", machine.Hostname).
+		Msg("Machine successfully refreshed")
+}
+
+func (h *Headscale) handleMachineExpiredCommon(
+	writer http.ResponseWriter,
+	req *http.Request,
+	registerRequest tailcfg.RegisterRequest,
+	machine Machine,
+	machineKey key.MachinePublic,
+) {
+	resp := tailcfg.RegisterResponse{}
+
+	// The client has registered before, but has expired
+	log.Debug().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Machine registration has expired. Sending a authurl to register")
+
+	if registerRequest.Auth.AuthKey != "" {
+		h.handleAuthKeyCommon(writer, req, registerRequest, machineKey)
+
+		return
+	}
+
+	if h.cfg.OIDC.Issuer != "" {
+		resp.AuthURL = fmt.Sprintf("%s/oidc/register/%s",
+			strings.TrimSuffix(h.cfg.ServerURL, "/"),
+			NodePublicKeyStripPrefix(registerRequest.NodeKey))
+	} else {
+		resp.AuthURL = fmt.Sprintf("%s/register/%s",
+			strings.TrimSuffix(h.cfg.ServerURL, "/"),
+			NodePublicKeyStripPrefix(registerRequest.NodeKey))
+	}
+
+	respBody, err := h.marshalResponse(resp, machineKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Cannot encode message")
+		machineRegistrations.WithLabelValues("reauth", "web", "error", machine.Namespace.Name).
+			Inc()
+		http.Error(writer, "Internal server error", http.StatusInternalServerError)
+
+		return
+	}
+	machineRegistrations.WithLabelValues("reauth", "web", "success", machine.Namespace.Name).
+		Inc()
+
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
+	writer.WriteHeader(http.StatusOK)
+	_, err = writer.Write(respBody)
+	if err != nil {
+		log.Error().
+			Caller().
+			Bool("noise", machineKey.IsZero()).
+			Err(err).
+			Msg("Failed to write response")
+	}
+
+	log.Info().
+		Caller().
+		Bool("noise", machineKey.IsZero()).
+		Str("machine", machine.Hostname).
+		Msg("Auth URL for reauthenticate successfully sent")
+}

protocol_common_poll.go

@@ -2,105 +2,31 @@ package headscale
 
 import (
 	"context"
-	"errors"
 	"fmt"
-	"io"
 	"net/http"
 	"time"
 
-	"github.com/gorilla/mux"
 	"github.com/rs/zerolog/log"
-	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
-	"tailscale.com/types/key"
 )
 
 const (
-	keepAliveInterval   = 60 * time.Second
-	updateCheckInterval = 10 * time.Second
+	keepAliveInterval = 60 * time.Second
 )
 
 type contextKey string
 
 const machineNameContextKey = contextKey("machineName")
 
-// PollNetMapHandler takes care of /machine/:id/map
-//
-// This is the busiest endpoint, as it keeps the HTTP long poll that updates
-// the clients when something in the network changes.
-//
-// The clients POST stuff like HostInfo and their Endpoints here, but
-// only after their first request (marked with the ReadOnly field).
-//
-// At this moment the updates are sent in a quite horrendous way, but they kinda work.
-func (h *Headscale) PollNetMapHandler(
+// handlePollCommon is the common code for the legacy and Noise protocols to
+// managed the poll loop.
+func (h *Headscale) handlePollCommon(
 	writer http.ResponseWriter,
 	req *http.Request,
+	machine *Machine,
+	mapRequest tailcfg.MapRequest,
+	isNoise bool,
 ) {
-	vars := mux.Vars(req)
-	machineKeyStr, ok := vars["mkey"]
-	if !ok || machineKeyStr == "" {
-		log.Error().
-			Str("handler", "PollNetMap").
-			Msg("No machine key in request")
-		http.Error(writer, "No machine key in request", http.StatusBadRequest)
-
-		return
-	}
-	log.Trace().
-		Str("handler", "PollNetMap").
-		Str("id", machineKeyStr).
-		Msg("PollNetMapHandler called")
-	body, _ := io.ReadAll(req.Body)
-
-	var machineKey key.MachinePublic
-	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
-	if err != nil {
-		log.Error().
-			Str("handler", "PollNetMap").
-			Err(err).
-			Msg("Cannot parse client key")
-
-		http.Error(writer, "Cannot parse client key", http.StatusBadRequest)
-
-		return
-	}
-	mapRequest := tailcfg.MapRequest{}
-	err = decode(body, &mapRequest, &machineKey, h.privateKey)
-	if err != nil {
-		log.Error().
-			Str("handler", "PollNetMap").
-			Err(err).
-			Msg("Cannot decode message")
-		http.Error(writer, "Cannot decode message", http.StatusBadRequest)
-
-		return
-	}
-
-	machine, err := h.GetMachineByMachineKey(machineKey)
-	if err != nil {
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			log.Warn().
-				Str("handler", "PollNetMap").
-				Msgf("Ignoring request, cannot find machine with key %s", machineKey.String())
-
-			http.Error(writer, "", http.StatusUnauthorized)
-
-			return
-		}
-		log.Error().
-			Str("handler", "PollNetMap").
-			Msgf("Failed to fetch machine from the database with Machine key: %s", machineKey.String())
-		http.Error(writer, "", http.StatusInternalServerError)
-
-		return
-	}
-	log.Trace().
-		Str("handler", "PollNetMap").
-		Str("id", machineKeyStr).
-		Str("machine", machine.Hostname).
-		Msg("Found machine in database")
-
 	machine.Hostname = mapRequest.Hostinfo.Hostname
 	machine.HostInfo = HostInfo(*mapRequest.Hostinfo)
 	machine.DiscoKey = DiscoPublicKeyStripPrefix(mapRequest.DiscoKey)
@@ -108,11 +34,11 @@ func (h *Headscale) PollNetMapHandler(
 
 	// update ACLRules with peer informations (to update server tags if necessary)
 	if h.aclPolicy != nil {
-		err = h.UpdateACLRules()
+		err := h.UpdateACLRules()
 		if err != nil {
 			log.Error().
 				Caller().
-				Str("func", "handleAuthKey").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Err(err)
 		}
@@ -134,7 +60,8 @@ func (h *Headscale) PollNetMapHandler(
 		if err != nil {
 			log.Error().
 				Str("handler", "PollNetMap").
-				Str("id", machineKeyStr).
+				Bool("noise", isNoise).
+				Str("node_key", machine.NodeKey).
 				Str("machine", machine.Hostname).
 				Err(err).
 				Msg("Failed to persist/update machine in the database")
@@ -144,11 +71,12 @@ func (h *Headscale) PollNetMapHandler(
 		}
 	}
 
-	data, err := h.getMapResponse(machineKey, mapRequest, machine)
+	mapResp, err := h.getMapResponseData(mapRequest, machine, isNoise)
 	if err != nil {
 		log.Error().
 			Str("handler", "PollNetMap").
-			Str("id", machineKeyStr).
+			Bool("noise", isNoise).
+			Str("node_key", machine.NodeKey).
 			Str("machine", machine.Hostname).
 			Err(err).
 			Msg("Failed to get Map response")
@@ -164,7 +92,7 @@ func (h *Headscale) PollNetMapHandler(
 	// Details on the protocol can be found in https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L696
 	log.Debug().
 		Str("handler", "PollNetMap").
-		Str("id", machineKeyStr).
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Bool("readOnly", mapRequest.ReadOnly).
 		Bool("omitPeers", mapRequest.OmitPeers).
@@ -174,12 +102,13 @@ func (h *Headscale) PollNetMapHandler(
 	if mapRequest.ReadOnly {
 		log.Info().
 			Str("handler", "PollNetMap").
+			Bool("noise", isNoise).
 			Str("machine", machine.Hostname).
 			Msg("Client is starting up. Probably interested in a DERP map")
 
 		writer.Header().Set("Content-Type", "application/json; charset=utf-8")
 		writer.WriteHeader(http.StatusOK)
-		_, err := writer.Write(data)
+		_, err := writer.Write(mapResp)
 		if err != nil {
 			log.Error().
 				Caller().
@@ -187,20 +116,24 @@ func (h *Headscale) PollNetMapHandler(
 				Msg("Failed to write response")
 		}
 
+		if f, ok := writer.(http.Flusher); ok {
+			f.Flush()
+		}
+
 		return
 	}
 
 	// There has been an update to _any_ of the nodes that the other nodes would
 	// need to know about
-	h.setLastStateChangeToNow(machine.Namespace.Name)
+	h.setLastStateChangeToNow()
 
 	// The request is not ReadOnly, so we need to set up channels for updating
 	// peers via longpoll
 
 	// Only create update channel if it has not been created
 	log.Trace().
-		Str("handler", "PollNetMap").
-		Str("id", machineKeyStr).
+		Caller().
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Loading or creating update channel")
 
@@ -215,11 +148,12 @@ func (h *Headscale) PollNetMapHandler(
 	if mapRequest.OmitPeers && !mapRequest.Stream {
 		log.Info().
 			Str("handler", "PollNetMap").
+			Bool("noise", isNoise).
 			Str("machine", machine.Hostname).
 			Msg("Client sent endpoint update and is ok with a response without peer list")
 		writer.Header().Set("Content-Type", "application/json; charset=utf-8")
 		writer.WriteHeader(http.StatusOK)
-		_, err := writer.Write(data)
+		_, err := writer.Write(mapResp)
 		if err != nil {
 			log.Error().
 				Caller().
@@ -236,6 +170,7 @@ func (h *Headscale) PollNetMapHandler(
 	} else if mapRequest.OmitPeers && mapRequest.Stream {
 		log.Warn().
 			Str("handler", "PollNetMap").
+			Bool("noise", isNoise).
 			Str("machine", machine.Hostname).
 			Msg("Ignoring request, don't know how to handle it")
 		http.Error(writer, "", http.StatusBadRequest)
@@ -245,52 +180,58 @@ func (h *Headscale) PollNetMapHandler(
 
 	log.Info().
 		Str("handler", "PollNetMap").
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Client is ready to access the tailnet")
 	log.Info().
 		Str("handler", "PollNetMap").
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Sending initial map")
-	pollDataChan <- data
+	pollDataChan <- mapResp
 
 	log.Info().
 		Str("handler", "PollNetMap").
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Notifying peers")
 	updateRequestsFromNode.WithLabelValues(machine.Namespace.Name, machine.Hostname, "full-update").
 		Inc()
 	updateChan <- struct{}{}
 
-	h.PollNetMapStream(
+	h.pollNetMapStream(
 		writer,
 		req,
 		machine,
 		mapRequest,
-		machineKey,
 		pollDataChan,
 		keepAliveChan,
 		updateChan,
+		isNoise,
 	)
+
 	log.Trace().
 		Str("handler", "PollNetMap").
-		Str("id", machineKeyStr).
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Finished stream, closing PollNetMap session")
 }
 
-// PollNetMapStream takes care of /machine/:id/map
-// stream logic, ensuring we communicate updates and data
-// to the connected clients.
-func (h *Headscale) PollNetMapStream(
+// pollNetMapStream stream logic for /machine/map,
+// ensuring we communicate updates and data to the connected clients.
+func (h *Headscale) pollNetMapStream(
 	writer http.ResponseWriter,
 	req *http.Request,
 	machine *Machine,
 	mapRequest tailcfg.MapRequest,
-	machineKey key.MachinePublic,
 	pollDataChan chan []byte,
 	keepAliveChan chan []byte,
 	updateChan chan struct{},
+	isNoise bool,
 ) {
+	h.pollNetMapStreamWG.Add(1)
+	defer h.pollNetMapStreamWG.Done()
+
 	ctx := context.WithValue(req.Context(), machineNameContextKey, machine.Hostname)
 
 	ctx, cancel := context.WithCancel(ctx)
@@ -300,18 +241,20 @@ func (h *Headscale) PollNetMapStream(
 		ctx,
 		updateChan,
 		keepAliveChan,
-		machineKey,
 		mapRequest,
 		machine,
+		isNoise,
 	)
 
 	log.Trace().
-		Str("handler", "PollNetMapStream").
+		Str("handler", "pollNetMapStream").
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msg("Waiting for data to stream...")
 
 	log.Trace().
-		Str("handler", "PollNetMapStream").
+		Str("handler", "pollNetMapStream").
+		Bool("noise", isNoise).
 		Str("machine", machine.Hostname).
 		Msgf("pollData is %#v, keepAliveChan is %#v, updateChan is %#v", pollDataChan, keepAliveChan, updateChan)
 
@@ -320,6 +263,7 @@ func (h *Headscale) PollNetMapStream(
 		case data := <-pollDataChan:
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "pollData").
 				Int("bytes", len(data)).
@@ -328,6 +272,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "pollData").
 					Err(err).
@@ -341,6 +286,7 @@ func (h *Headscale) PollNetMapStream(
 				log.Error().
 					Caller().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "pollData").
 					Msg("Cannot cast writer to http.Flusher")
@@ -350,6 +296,7 @@ func (h *Headscale) PollNetMapStream(
 
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "pollData").
 				Int("bytes", len(data)).
@@ -361,6 +308,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "pollData").
 					Err(err).
@@ -381,6 +329,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "pollData").
 					Err(err).
@@ -391,6 +340,7 @@ func (h *Headscale) PollNetMapStream(
 
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "pollData").
 				Int("bytes", len(data)).
@@ -407,6 +357,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "keepAlive").
 					Err(err).
@@ -419,6 +370,7 @@ func (h *Headscale) PollNetMapStream(
 				log.Error().
 					Caller().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "keepAlive").
 					Msg("Cannot cast writer to http.Flusher")
@@ -428,6 +380,7 @@ func (h *Headscale) PollNetMapStream(
 
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "keepAlive").
 				Int("bytes", len(data)).
@@ -439,6 +392,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "keepAlive").
 					Err(err).
@@ -454,6 +408,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "keepAlive").
 					Err(err).
@@ -464,6 +419,7 @@ func (h *Headscale) PollNetMapStream(
 
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "keepAlive").
 				Int("bytes", len(data)).
@@ -472,6 +428,7 @@ func (h *Headscale) PollNetMapStream(
 		case <-updateChan:
 			log.Trace().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Str("channel", "update").
 				Msg("Received a request for update")
@@ -485,14 +442,16 @@ func (h *Headscale) PollNetMapStream(
 				}
 				log.Debug().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Time("last_successful_update", lastUpdate).
 					Time("last_state_change", h.getLastStateChange(machine.Namespace.Name)).
 					Msgf("There has been updates since the last successful update to %s", machine.Hostname)
-				data, err := h.getMapResponse(machineKey, mapRequest, machine)
+				data, err := h.getMapResponseData(mapRequest, machine, false)
 				if err != nil {
 					log.Error().
 						Str("handler", "PollNetMapStream").
+						Bool("noise", isNoise).
 						Str("machine", machine.Hostname).
 						Str("channel", "update").
 						Err(err).
@@ -504,6 +463,7 @@ func (h *Headscale) PollNetMapStream(
 				if err != nil {
 					log.Error().
 						Str("handler", "PollNetMapStream").
+						Bool("noise", isNoise).
 						Str("machine", machine.Hostname).
 						Str("channel", "update").
 						Err(err).
@@ -519,6 +479,7 @@ func (h *Headscale) PollNetMapStream(
 					log.Error().
 						Caller().
 						Str("handler", "PollNetMapStream").
+						Bool("noise", isNoise).
 						Str("machine", machine.Hostname).
 						Str("channel", "update").
 						Msg("Cannot cast writer to http.Flusher")
@@ -528,6 +489,7 @@ func (h *Headscale) PollNetMapStream(
 
 				log.Trace().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "update").
 					Msg("Updated Map has been sent")
@@ -545,6 +507,7 @@ func (h *Headscale) PollNetMapStream(
 				if err != nil {
 					log.Error().
 						Str("handler", "PollNetMapStream").
+						Bool("noise", isNoise).
 						Str("machine", machine.Hostname).
 						Str("channel", "update").
 						Err(err).
@@ -564,6 +527,7 @@ func (h *Headscale) PollNetMapStream(
 				if err != nil {
 					log.Error().
 						Str("handler", "PollNetMapStream").
+						Bool("noise", isNoise).
 						Str("machine", machine.Hostname).
 						Str("channel", "update").
 						Err(err).
@@ -578,6 +542,7 @@ func (h *Headscale) PollNetMapStream(
 				}
 				log.Trace().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Time("last_successful_update", lastUpdate).
 					Time("last_state_change", h.getLastStateChange(machine.Namespace.Name)).
@@ -596,6 +561,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "Done").
 					Err(err).
@@ -611,6 +577,7 @@ func (h *Headscale) PollNetMapStream(
 			if err != nil {
 				log.Error().
 					Str("handler", "PollNetMapStream").
+					Bool("noise", isNoise).
 					Str("machine", machine.Hostname).
 					Str("channel", "Done").
 					Err(err).
@@ -623,6 +590,7 @@ func (h *Headscale) PollNetMapStream(
 		case <-h.shutdownChan:
 			log.Info().
 				Str("handler", "PollNetMapStream").
+				Bool("noise", isNoise).
 				Str("machine", machine.Hostname).
 				Msg("The long-poll handler is shutting down")
 
@@ -635,12 +603,12 @@ func (h *Headscale) scheduledPollWorker(
 	ctx context.Context,
 	updateChan chan struct{},
 	keepAliveChan chan []byte,
-	machineKey key.MachinePublic,
 	mapRequest tailcfg.MapRequest,
 	machine *Machine,
+	isNoise bool,
 ) {
 	keepAliveTicker := time.NewTicker(keepAliveInterval)
-	updateCheckerTicker := time.NewTicker(updateCheckInterval)
+	updateCheckerTicker := time.NewTicker(h.cfg.NodeUpdateCheckInterval)
 
 	defer closeChanWithLog(
 		updateChan,
@@ -659,10 +627,11 @@ func (h *Headscale) scheduledPollWorker(
 			return
 
 		case <-keepAliveTicker.C:
-			data, err := h.getMapKeepAliveResponse(machineKey, mapRequest)
+			data, err := h.getMapKeepAliveResponseData(mapRequest, machine, isNoise)
 			if err != nil {
 				log.Error().
 					Str("func", "keepAlive").
+					Bool("noise", isNoise).
 					Err(err).
 					Msg("Error generating the keep alive msg")
 
@@ -672,6 +641,7 @@ func (h *Headscale) scheduledPollWorker(
 			log.Debug().
 				Str("func", "keepAlive").
 				Str("machine", machine.Hostname).
+				Bool("noise", isNoise).
 				Msg("Sending keepalive")
 			keepAliveChan <- data
 
@@ -679,6 +649,7 @@ func (h *Headscale) scheduledPollWorker(
 			log.Debug().
 				Str("func", "scheduledPollWorker").
 				Str("machine", machine.Hostname).
+				Bool("noise", isNoise).
 				Msg("Sending update request")
 			updateRequestsFromNode.WithLabelValues(machine.Namespace.Name, machine.Hostname, "scheduled-update").
 				Inc()

protocol_common_utils.go

@@ -0,0 +1,120 @@
+package headscale
+
+import (
+	"encoding/binary"
+	"encoding/json"
+
+	"github.com/klauspost/compress/zstd"
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+func (h *Headscale) getMapResponseData(
+	mapRequest tailcfg.MapRequest,
+	machine *Machine,
+	isNoise bool,
+) ([]byte, error) {
+	mapResponse, err := h.generateMapResponse(mapRequest, machine)
+	if err != nil {
+		return nil, err
+	}
+
+	if isNoise {
+		return h.marshalMapResponse(mapResponse, key.MachinePublic{}, mapRequest.Compress)
+	}
+
+	var machineKey key.MachinePublic
+	err = machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machine.MachineKey)))
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot parse client key")
+
+		return nil, err
+	}
+
+	return h.marshalMapResponse(mapResponse, machineKey, mapRequest.Compress)
+}
+
+func (h *Headscale) getMapKeepAliveResponseData(
+	mapRequest tailcfg.MapRequest,
+	machine *Machine,
+	isNoise bool,
+) ([]byte, error) {
+	keepAliveResponse := tailcfg.MapResponse{
+		KeepAlive: true,
+	}
+
+	if isNoise {
+		return h.marshalMapResponse(keepAliveResponse, key.MachinePublic{}, mapRequest.Compress)
+	}
+
+	var machineKey key.MachinePublic
+	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machine.MachineKey)))
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot parse client key")
+
+		return nil, err
+	}
+
+	return h.marshalMapResponse(keepAliveResponse, machineKey, mapRequest.Compress)
+}
+
+func (h *Headscale) marshalResponse(
+	resp interface{},
+	machineKey key.MachinePublic,
+) ([]byte, error) {
+	jsonBody, err := json.Marshal(resp)
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot marshal response")
+	}
+
+	if machineKey.IsZero() { // if Noise
+		return jsonBody, nil
+	}
+
+	return h.privateKey.SealTo(machineKey, jsonBody), nil
+}
+
+func (h *Headscale) marshalMapResponse(
+	resp interface{},
+	machineKey key.MachinePublic,
+	compression string,
+) ([]byte, error) {
+	jsonBody, err := json.Marshal(resp)
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot marshal map response")
+	}
+
+	var respBody []byte
+	if compression == ZstdCompression {
+		encoder, _ := zstd.NewWriter(nil)
+		respBody = encoder.EncodeAll(jsonBody, nil)
+		if !machineKey.IsZero() { // if legacy protocol
+			respBody = h.privateKey.SealTo(machineKey, respBody)
+		}
+	} else {
+		if !machineKey.IsZero() { // if legacy protocol
+			respBody = h.privateKey.SealTo(machineKey, jsonBody)
+		} else {
+			respBody = jsonBody
+		}
+	}
+
+	data := make([]byte, reservedResponseHeaderSize)
+	binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
+	data = append(data, respBody...)
+
+	return data, nil
+}

protocol_legacy.go

@@ -0,0 +1,58 @@
+package headscale
+
+import (
+	"io"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+// RegistrationHandler handles the actual registration process of a machine
+// Endpoint /machine/:mkey.
+func (h *Headscale) RegistrationHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	vars := mux.Vars(req)
+	machineKeyStr, ok := vars["mkey"]
+	if !ok || machineKeyStr == "" {
+		log.Error().
+			Str("handler", "RegistrationHandler").
+			Msg("No machine ID in request")
+		http.Error(writer, "No machine ID in request", http.StatusBadRequest)
+
+		return
+	}
+
+	body, _ := io.ReadAll(req.Body)
+
+	var machineKey key.MachinePublic
+	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot parse machine key")
+		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
+		http.Error(writer, "Cannot parse machine key", http.StatusBadRequest)
+
+		return
+	}
+	registerRequest := tailcfg.RegisterRequest{}
+	err = decode(body, &registerRequest, &machineKey, h.privateKey)
+	if err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot decode message")
+		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
+		http.Error(writer, "Cannot decode message", http.StatusBadRequest)
+
+		return
+	}
+
+	h.handleRegisterCommon(writer, req, registerRequest, machineKey)
+}

protocol_legacy_poll.go

@@ -0,0 +1,94 @@
+package headscale
+
+import (
+	"errors"
+	"io"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+	"gorm.io/gorm"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+// PollNetMapHandler takes care of /machine/:id/map
+//
+// This is the busiest endpoint, as it keeps the HTTP long poll that updates
+// the clients when something in the network changes.
+//
+// The clients POST stuff like HostInfo and their Endpoints here, but
+// only after their first request (marked with the ReadOnly field).
+//
+// At this moment the updates are sent in a quite horrendous way, but they kinda work.
+func (h *Headscale) PollNetMapHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	vars := mux.Vars(req)
+	machineKeyStr, ok := vars["mkey"]
+	if !ok || machineKeyStr == "" {
+		log.Error().
+			Str("handler", "PollNetMap").
+			Msg("No machine key in request")
+		http.Error(writer, "No machine key in request", http.StatusBadRequest)
+
+		return
+	}
+	log.Trace().
+		Str("handler", "PollNetMap").
+		Str("id", machineKeyStr).
+		Msg("PollNetMapHandler called")
+	body, _ := io.ReadAll(req.Body)
+
+	var machineKey key.MachinePublic
+	err := machineKey.UnmarshalText([]byte(MachinePublicKeyEnsurePrefix(machineKeyStr)))
+	if err != nil {
+		log.Error().
+			Str("handler", "PollNetMap").
+			Err(err).
+			Msg("Cannot parse client key")
+
+		http.Error(writer, "Cannot parse client key", http.StatusBadRequest)
+
+		return
+	}
+	mapRequest := tailcfg.MapRequest{}
+	err = decode(body, &mapRequest, &machineKey, h.privateKey)
+	if err != nil {
+		log.Error().
+			Str("handler", "PollNetMap").
+			Err(err).
+			Msg("Cannot decode message")
+		http.Error(writer, "Cannot decode message", http.StatusBadRequest)
+
+		return
+	}
+
+	machine, err := h.GetMachineByMachineKey(machineKey)
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			log.Warn().
+				Str("handler", "PollNetMap").
+				Msgf("Ignoring request, cannot find machine with key %s", machineKey.String())
+
+			http.Error(writer, "", http.StatusUnauthorized)
+
+			return
+		}
+		log.Error().
+			Str("handler", "PollNetMap").
+			Msgf("Failed to fetch machine from the database with Machine key: %s", machineKey.String())
+		http.Error(writer, "", http.StatusInternalServerError)
+
+		return
+	}
+
+	log.Trace().
+		Str("handler", "PollNetMap").
+		Str("id", machineKeyStr).
+		Str("machine", machine.Hostname).
+		Msg("A machine is entering polling via the legacy protocol")
+
+	h.handlePollCommon(writer, req, machine, mapRequest, false)
+}

protocol_noise.go

@@ -0,0 +1,38 @@
+package headscale
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+
+	"github.com/rs/zerolog/log"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+// // NoiseRegistrationHandler handles the actual registration process of a machine.
+func (h *Headscale) NoiseRegistrationHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	log.Trace().Caller().Msgf("Noise registration handler for client %s", req.RemoteAddr)
+	if req.Method != http.MethodPost {
+		http.Error(writer, "Wrong method", http.StatusMethodNotAllowed)
+
+		return
+	}
+	body, _ := io.ReadAll(req.Body)
+	registerRequest := tailcfg.RegisterRequest{}
+	if err := json.Unmarshal(body, &registerRequest); err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot parse RegisterRequest")
+		machineRegistrations.WithLabelValues("unknown", "web", "error", "unknown").Inc()
+		http.Error(writer, "Internal error", http.StatusInternalServerError)
+
+		return
+	}
+
+	h.handleRegisterCommon(writer, req, registerRequest, key.MachinePublic{})
+}

protocol_noise_poll.go

@@ -0,0 +1,67 @@
+package headscale
+
+import (
+	"encoding/json"
+	"errors"
+	"io"
+	"net/http"
+
+	"github.com/rs/zerolog/log"
+	"gorm.io/gorm"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+)
+
+// NoisePollNetMapHandler takes care of /machine/:id/map using the Noise protocol
+//
+// This is the busiest endpoint, as it keeps the HTTP long poll that updates
+// the clients when something in the network changes.
+//
+// The clients POST stuff like HostInfo and their Endpoints here, but
+// only after their first request (marked with the ReadOnly field).
+//
+// At this moment the updates are sent in a quite horrendous way, but they kinda work.
+func (h *Headscale) NoisePollNetMapHandler(
+	writer http.ResponseWriter,
+	req *http.Request,
+) {
+	log.Trace().
+		Str("handler", "NoisePollNetMap").
+		Msg("PollNetMapHandler called")
+	body, _ := io.ReadAll(req.Body)
+
+	mapRequest := tailcfg.MapRequest{}
+	if err := json.Unmarshal(body, &mapRequest); err != nil {
+		log.Error().
+			Caller().
+			Err(err).
+			Msg("Cannot parse MapRequest")
+		http.Error(writer, "Internal error", http.StatusInternalServerError)
+
+		return
+	}
+
+	machine, err := h.GetMachineByAnyNodeKey(mapRequest.NodeKey, key.NodePublic{})
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			log.Warn().
+				Str("handler", "NoisePollNetMap").
+				Msgf("Ignoring request, cannot find machine with key %s", mapRequest.NodeKey.String())
+			http.Error(writer, "Internal error", http.StatusNotFound)
+
+			return
+		}
+		log.Error().
+			Str("handler", "NoisePollNetMap").
+			Msgf("Failed to fetch machine from the database with node key: %s", mapRequest.NodeKey.String())
+		http.Error(writer, "Internal error", http.StatusInternalServerError)
+
+		return
+	}
+	log.Debug().
+		Str("handler", "NoisePollNetMap").
+		Str("machine", machine.Hostname).
+		Msg("A machine is entering polling via the Noise protocol")
+
+	h.handlePollCommon(writer, req, machine, mapRequest, true)
+}

routes.go

@@ -7,7 +7,7 @@ import (
 )
 
 const (
-	errRouteIsNotAvailable = Error("route is not available")
+	ErrRouteIsNotAvailable = Error("route is not available")
 )
 
 // Deprecated: use machine function instead
@@ -106,7 +106,7 @@ func (h *Headscale) EnableNodeRoute(
 	}
 
 	if !available {
-		return errRouteIsNotAvailable
+		return ErrRouteIsNotAvailable
 	}
 
 	machine.EnabledRoutes = enabledRoutes

swagger.go

@@ -83,7 +83,7 @@ func SwaggerAPIv1(
 	writer http.ResponseWriter,
 	req *http.Request,
 ) {
-	writer.Header().Set("Content-Type", "application/json; charset=utf-88")
+	writer.Header().Set("Content-Type", "application/json; charset=utf-8")
 	writer.WriteHeader(http.StatusOK)
 	if _, err := writer.Write(apiV1JSON); err != nil {
 		log.Error().

utils.go

@@ -27,8 +27,8 @@ import (
 )
 
 const (
-	errCannotDecryptReponse = Error("cannot decrypt response")
-	errCouldNotAllocateIP   = Error("could not find any suitable IP")
+	ErrCannotDecryptResponse = Error("cannot decrypt response")
+	ErrCouldNotAllocateIP    = Error("could not find any suitable IP")
 
 	// These constants are copied from the upstream tailscale.com/types/key
 	// library, because they are not exported.
@@ -59,6 +59,8 @@ const (
 	privateHexPrefix = "privkey:"
 
 	PermissionFallback = 0o700
+
+	ZstdCompression = "zstd"
 )
 
 func MachinePublicKeyStripPrefix(machineKey key.MachinePublic) string {
@@ -116,11 +118,14 @@ func decode(
 	pubKey *key.MachinePublic,
 	privKey *key.MachinePrivate,
 ) error {
-	log.Trace().Int("length", len(msg)).Msg("Trying to decrypt")
+	log.Trace().
+		Str("pubkey", pubKey.ShortString()).
+		Int("length", len(msg)).
+		Msg("Trying to decrypt")
 
 	decrypted, ok := privKey.OpenFrom(*pubKey, msg)
 	if !ok {
-		return errCannotDecryptReponse
+		return ErrCannotDecryptResponse
 	}
 
 	if err := json.Unmarshal(decrypted, output); err != nil {
@@ -130,19 +135,6 @@ func decode(
 	return nil
 }
 
-func encode(
-	v interface{},
-	pubKey *key.MachinePublic,
-	privKey *key.MachinePrivate,
-) ([]byte, error) {
-	b, err := json.Marshal(v)
-	if err != nil {
-		return nil, err
-	}
-
-	return privKey.SealTo(*pubKey, b), nil
-}
-
 func (h *Headscale) getAvailableIPs() (MachineAddresses, error) {
 	var ips MachineAddresses
 	var err error
@@ -181,7 +173,7 @@ func (h *Headscale) getAvailableIP(ipPrefix netaddr.IPPrefix) (*netaddr.IP, erro
 
 	for {
 		if !ipPrefix.Contains(ip) {
-			return nil, errCouldNotAllocateIP
+			return nil, ErrCouldNotAllocateIP
 		}
 
 		switch {