Update ironwood dependency (temporary replace)

Link cost-aware routing
Implement websocket (ws:// and wss://) links (#1152 )
2025-08-26 22:57:35 +00:00 · 2024-07-24 18:28:08 +01:00 · 2024-07-24 18:28:08 +01:00 · 2024-07-23 22:58:11 +01:00 · 2024-07-20 15:37:31 +01:00 · 2024-07-20 15:24:30 +01:00
42 changed files with 595 additions and 237 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,10 +15,10 @@ jobs:
    name: Lint
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/setup-go@v3
+      - uses: actions/setup-go@v5
        with:
          go-version: 1.21
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v3
        with:
@@ -34,7 +34,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v2
@@ -51,17 +51,17 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        goversion: ["1.20", "1.21"]
+        goversion: ["1.21", "1.22"]

    name: Build & Test (Linux, Go ${{ matrix.goversion }})
    needs: [lint]

    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.goversion }}

@@ -75,17 +75,17 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        goversion: ["1.20", "1.21"]
+        goversion: ["1.21", "1.22"]

    name: Build & Test (Windows, Go ${{ matrix.goversion }})
    needs: [lint]

    runs-on: windows-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.goversion }}

@@ -99,17 +99,17 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        goversion: ["1.20", "1.21"]
+        goversion: ["1.21", "1.22"]

    name: Build & Test (macOS, Go ${{ matrix.goversion }})
    needs: [lint]

    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.goversion }}

@@ -123,7 +123,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        goversion: ["1.20", "1.21"]
+        goversion: ["1.21", "1.22"]
        goos:
          - freebsd
          - openbsd
@@ -133,10 +133,10 @@ jobs:

    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.goversion }}

--- a/.github/workflows/pkg.yml
+++ b/.github/workflows/pkg.yml
@@ -18,14 +18,14 @@ jobs:

    runs-on: ubuntu-20.04
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
-          go-version: "1.20"
+          go-version: "stable"

      - name: Build package
        env:
@@ -33,7 +33,7 @@ jobs:
        run: sh contrib/deb/generate.sh

      - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
        with:
          name: Debian package (${{ matrix.pkgarch }})
          path: "*.deb"
@@ -49,14 +49,14 @@ jobs:

    runs-on: macos-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
-          go-version: "1.20"
+          go-version: "stable"

      - name: Build package
        env:
@@ -64,7 +64,7 @@ jobs:
        run: sh contrib/macos/create-pkg.sh

      - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
        with:
          name: macOS package (${{ matrix.pkgarch }})
          path: "*.pkg"
@@ -80,20 +80,23 @@ jobs:

    runs-on: windows-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
-          go-version: "1.20"
+          go-version: "stable"
+
+      - name: Setup .NET Core SDK
+        uses: actions/setup-dotnet@v4

      - name: Build package
        run: sh contrib/msi/build-msi.sh ${{ matrix.pkgarch }}

      - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
        with:
          name: Windows package (${{ matrix.pkgarch }})
          path: "*.msi"
@@ -109,20 +112,20 @@ jobs:

    runs-on: ubuntu-20.04
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          path: yggdrasil

-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
        with:
          repository: neilalexander/vyatta-yggdrasil
          path: vyatta-yggdrasil

      - name: Set up Go
-        uses: actions/setup-go@v3
+        uses: actions/setup-go@v5
        with:
-          go-version: "1.20"
+          go-version: "stable"

      - name: Build package
        env:
@@ -130,7 +133,7 @@ jobs:
        run: cd /home/runner/work/yggdrasil-go/yggdrasil-go/vyatta-yggdrasil && ./build-${{ matrix.pkgarch }}

      - name: Upload artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
        with:
          name: Router package (${{ matrix.pkgarch }})
          path: "/home/runner/work/yggdrasil-go/yggdrasil-go/vyatta-yggdrasil/*.deb"
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,47 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - in case of vulnerabilities.
 -->

+## [0.5.6] - 2024-05-30
+
+* Go 1.21 is now required to build Yggdrasil
+
+### Added
+
+* The `getPeers` endpoint now reports the RTT/latency of directly connected peers
+
+### Changed
+
+* The tree parent selection algorithm now prefers the lowest latency peers instead of the most stable
+* Session key exchange logic has been changed to improve throughput and reduce occasional jitter
+
+### Fixed
+
+* Bloom filter hashing now works correctly on big-endian architectures
+* Incorrect buffer pool usage has been fixed, reducing memory allocations
+* The multicast beacon interval now backs off correctly, reducing the number of beacons sent
+* A denial-of-service vulnerability in the QUIC library has been fixed with a dependency update
+
+## [0.5.5] - 2024-01-27
+
+### Added
+
+* A new peer option `?maxbackoff=X` has been added to control the maximum backoff time for a given peer, supports duration values like `5m`, `1h` etc
+
+### Changed
+
+* The maximum backoff period for failing peer connections has been reduced to just over 1 hour, compared to 4.5 hours before
+* The `getPeers` endpoint now sorts peers in a more stable fashion
+* Upgrade dependencies
+
+### Fixed
+
+* A bug where QUIC listeners could stop listening for incoming connections unexpectedly has been fixed
+* The priority tiebreak between multiple peerings to the same node has been fixed
+* Peer connection ordering is no longer sensitive to poor system time resolution
+* The admin socket now verifies the length of input public keys
+* The `PPROFLISTEN` environment variable has been fixed and now starts the pprof listener correctly
+* A panic in `getPeers` has been fixed when using abstract UNIX sockets on Linux
+
 ## [0.5.4] - 2023-11-27

 ### Fixed
@@ -168,7 +209,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.

 ### Changed

-* Go 1.17 is now required to build Yggdrasil
+* Go 1.20 is now required to build Yggdrasil

 ## [0.4.3] - 2022-02-06

--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ or tools in the `contrib` folder.
 If you want to build from source, as opposed to installing one of the pre-built
 packages:

-1. Install [Go](https://golang.org) (requires Go 1.17 or later)
+1. Install [Go](https://golang.org) (requires Go 1.21 or later)
 2. Clone this repository
 2. Run `./build`

--- a/cmd/yggdrasil/main.go
+++ b/cmd/yggdrasil/main.go
@@ -188,7 +188,7 @@ func main() {

 	n := &node{}

-	// Setup the Yggdrasil node itself.
+	// Set up the Yggdrasil node itself.
 	{
 		options := []core.SetupOption{
 			core.NodeInfo(cfg.NodeInfo),
@@ -221,7 +221,7 @@ func main() {
 		logger.Printf("Your IPv6 subnet is %s", subnet.String())
 	}

-	// Setup the admin socket.
+	// Set up the admin socket.
 	{
 		options := []admin.SetupOption{
 			admin.ListenAddress(cfg.AdminListen),
@@ -237,7 +237,7 @@ func main() {
 		}
 	}

-	// Setup the multicast module.
+	// Set up the multicast module.
 	{
 		options := []multicast.SetupOption{}
 		for _, intf := range cfg.MulticastInterfaces {
@@ -247,6 +247,7 @@ func main() {
 				Listen:   intf.Listen,
 				Port:     intf.Port,
 				Priority: uint8(intf.Priority),
+				Cost:     uint8(intf.Cost),
 				Password: intf.Password,
 			})
 		}
@@ -258,7 +259,7 @@ func main() {
 		}
 	}

-	// Setup the TUN module.
+	// Set up the TUN module.
 	{
 		options := []tun.SetupOption{
 			tun.InterfaceName(cfg.IfName),
--- a/cmd/yggdrasilctl/main.go
+++ b/cmd/yggdrasilctl/main.go
@@ -174,29 +174,33 @@ func run() int {
 		if err := json.Unmarshal(recv.Response, &resp); err != nil {
 			panic(err)
 		}
-		table.SetHeader([]string{"URI", "State", "Dir", "IP Address", "Uptime", "RX", "TX", "Pr", "Last Error"})
+		table.SetHeader([]string{"URI", "State", "Dir", "IP Address", "Uptime", "RTT", "RX", "TX", "Pr", "Cost", "Last Error"})
 		for _, peer := range resp.Peers {
-			state, lasterr, dir := "Up", "-", "Out"
+			state, lasterr, dir, rtt := "Up", "-", "Out", "-"
 			if !peer.Up {
 				state, lasterr = "Down", fmt.Sprintf("%s ago: %s", peer.LastErrorTime.Round(time.Second), peer.LastError)
+			} else if rttms := float64(peer.Latency.Microseconds()) / 1000; rttms > 0 {
+				rtt = fmt.Sprintf("%.02fms", rttms)
 			}
 			if peer.Inbound {
 				dir = "In"
 			}
-			uri, err := url.Parse(peer.URI)
-			if err != nil {
-				panic(err)
+			uristring := peer.URI
+			if uri, err := url.Parse(peer.URI); err == nil {
+				uri.RawQuery = ""
+				uristring = uri.String()
 			}
-			uri.RawQuery = ""
 			table.Append([]string{
-				uri.String(),
+				uristring,
 				state,
 				dir,
 				peer.IPAddress,
 				(time.Duration(peer.Uptime) * time.Second).String(),
+				rtt,
 				peer.RXBytes.String(),
 				peer.TXBytes.String(),
 				fmt.Sprintf("%d", peer.Priority),
+				fmt.Sprintf("%d", peer.Cost),
 				lasterr,
 			})
 		}
--- a/contrib/mobile/mobile.go
+++ b/contrib/mobile/mobile.go
@@ -53,7 +53,7 @@ func (m *Yggdrasil) StartJSON(configjson []byte) error {
 	if err := m.config.UnmarshalHJSON(configjson); err != nil {
 		return err
 	}
-	// Setup the Yggdrasil node itself.
+	// Set up the Yggdrasil node itself.
 	{
 		options := []core.SetupOption{}
 		for _, peer := range m.config.Peers {
@@ -85,7 +85,7 @@ func (m *Yggdrasil) StartJSON(configjson []byte) error {
 		logger.Infof("Your IPv6 subnet is %s", subnet.String())
 	}

-	// Setup the multicast module.
+	// Set up the multicast module.
 	if len(m.config.MulticastInterfaces) > 0 {
 		var err error
 		logger.Infof("Initializing multicast %s", "")
@@ -97,6 +97,7 @@ func (m *Yggdrasil) StartJSON(configjson []byte) error {
 				Listen:   intf.Listen,
 				Port:     intf.Port,
 				Priority: uint8(intf.Priority),
+				Cost:     uint8(intf.Cost),
 				Password: intf.Password,
 			})
 		}
--- a/contrib/mobile/mobile_apple.go
+++ b/contrib/mobile/mobile_apple.go
@@ -1,5 +1,5 @@
-//go:build ios
-// +build ios
+//go:build ios || darwin
+// +build ios darwin

 package mobile

--- a/contrib/mobile/mobile_other.go
+++ b/contrib/mobile/mobile_other.go
@@ -1,5 +1,5 @@
-//go:build !android && !ios
-// +build !android,!ios
+//go:build !android && !ios && !darwin
+// +build !android,!ios,!darwin

 package mobile

--- a/contrib/msi/build-msi.sh
+++ b/contrib/msi/build-msi.sh
@@ -1,7 +1,7 @@
 #!/bin/sh

 # This script generates an MSI file for Yggdrasil for a given architecture. It
-# needs to run on Windows within MSYS2 and Go 1.17 or later must be installed on
+# needs to run on Windows within MSYS2 and Go 1.21 or later must be installed on
 # the system and within the PATH. This is ran currently by GitHub Actions (see
 # the workflows in the repository).
 #
@@ -16,20 +16,7 @@ then
 fi

 # Download the wix tools!
-if [ ! -d wixbin ];
-then
-  curl -LO https://wixtoolset.org/downloads/v3.14.0.3910/wix314-binaries.zip
-  if [ `md5sum wix314-binaries.zip | cut -f 1 -d " "` != "34f655cf108086838dd5a76d4318063b" ];
-  then
-    echo "wix package didn't match expected checksum"
-    exit 1
-  fi
-  mkdir -p wixbin
-  unzip -o wix314-binaries.zip -d wixbin || (
-    echo "failed to unzip WiX"
-    exit 1
-  )
-fi
+dotnet tool install --global wix --version 5.0.0

 # Build Yggdrasil!
 [ "${PKGARCH}" == "x64" ] && GOOS=windows GOARCH=amd64 CGO_ENABLED=0 ./build
@@ -61,6 +48,11 @@ PKGVERSIONMS=$(echo $PKGVERSION | tr - .)
 if [ ! -d wintun ];
 then
  curl -o wintun.zip https://www.wintun.net/builds/wintun-0.14.1.zip
+  if [ `sha256sum wintun.zip | cut -f 1 -d " "` != "07c256185d6ee3652e09fa55c0b673e2624b565e02c4b9091c79ca7d2f24ef51" ];
+  then
+    echo "wintun package didn't match expected checksum"
+    exit 1
+  fi
  unzip wintun.zip
 fi
 if [ $PKGARCH = "x64" ]; then
@@ -101,7 +93,7 @@ cat > wix.xml << EOF
      Description="Yggdrasil Network Installer"
      Comments="Yggdrasil Network standalone router for Windows."
      Manufacturer="github.com/yggdrasil-network"
-      InstallerVersion="200"
+      InstallerVersion="500"
      InstallScope="perMachine"
      Languages="1033"
      Compressed="yes"
@@ -205,5 +197,5 @@ EOF
 # Generate the MSI
 CANDLEFLAGS="-nologo"
 LIGHTFLAGS="-nologo -spdb -sice:ICE71 -sice:ICE61"
-wixbin/candle $CANDLEFLAGS -out ${PKGNAME}-${PKGVERSION}-${PKGARCH}.wixobj -arch ${PKGARCH} wix.xml && \
-wixbin/light $LIGHTFLAGS -ext WixUtilExtension.dll -out ${PKGNAME}-${PKGVERSION}-${PKGARCH}.msi ${PKGNAME}-${PKGVERSION}-${PKGARCH}.wixobj
+candle $CANDLEFLAGS -out ${PKGNAME}-${PKGVERSION}-${PKGARCH}.wixobj -arch ${PKGARCH} wix.xml && \
+light $LIGHTFLAGS -ext WixUtilExtension.dll -out ${PKGNAME}-${PKGVERSION}-${PKGARCH}.msi ${PKGNAME}-${PKGVERSION}-${PKGARCH}.wixobj
--- a/go.mod
+++ b/go.mod
@@ -1,39 +1,42 @@
 module github.com/yggdrasil-network/yggdrasil-go

-go 1.20
+go 1.21
+
+replace github.com/Arceliar/ironwood => github.com/neilalexander/ironwood v0.0.0-20240530214820-2be4c2c0545a

 require (
-	github.com/Arceliar/ironwood v0.0.0-20231127131626-465b82dfb5bd
+	github.com/Arceliar/ironwood v0.0.0-20240529054413-b8e59574e2b2
 	github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d
-	github.com/cheggaaa/pb/v3 v3.1.4
+	github.com/cheggaaa/pb/v3 v3.1.5
 	github.com/gologme/log v1.3.0
 	github.com/hashicorp/go-syslog v1.0.0
-	github.com/hjson/hjson-go/v4 v4.3.0
+	github.com/hjson/hjson-go/v4 v4.4.0
 	github.com/kardianos/minwinsvc v1.0.2
-	github.com/quic-go/quic-go v0.39.3
+	github.com/quic-go/quic-go v0.45.1
 	github.com/vishvananda/netlink v1.1.0
-	golang.org/x/crypto v0.14.0
-	golang.org/x/mobile v0.0.0-20231006135142-2b44d11868fe
-	golang.org/x/net v0.17.0
-	golang.org/x/sys v0.13.0
-	golang.org/x/text v0.13.0
-	golang.zx2c4.com/wireguard v0.0.0-20230223181233-21636207a675
+	golang.org/x/crypto v0.25.0
+	golang.org/x/mobile v0.0.0-20240716161057-1ad2df20a8b6
+	golang.org/x/net v0.27.0
+	golang.org/x/sys v0.22.0
+	golang.org/x/text v0.16.0
+	golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173
 	golang.zx2c4.com/wireguard/windows v0.5.3
+	nhooyr.io/websocket v1.8.11
 )

 require (
-	github.com/bits-and-blooms/bitset v1.5.0 // indirect
-	github.com/bits-and-blooms/bloom/v3 v3.3.1 // indirect
+	github.com/bits-and-blooms/bitset v1.13.0 // indirect
+	github.com/bits-and-blooms/bloom/v3 v3.7.0 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/onsi/ginkgo/v2 v2.9.5 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.4 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
-	go.uber.org/mock v0.3.0 // indirect
-	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
-	golang.org/x/mod v0.13.0 // indirect
-	golang.org/x/tools v0.14.0 // indirect
+	go.uber.org/mock v0.4.0 // indirect
+	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
+	golang.org/x/mod v0.19.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/tools v0.23.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 )

@@ -41,7 +44,7 @@ require (
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/fatih/color v1.15.0 // indirect
 	github.com/mattn/go-isatty v0.0.19 // indirect
-	github.com/mattn/go-runewidth v0.0.14 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -1,16 +1,14 @@
-github.com/Arceliar/ironwood v0.0.0-20231127131626-465b82dfb5bd h1:458tnmZ4zM2gbLtefdYbaxyAJevDNEWu6tLKEqbK4wg=
-github.com/Arceliar/ironwood v0.0.0-20231127131626-465b82dfb5bd/go.mod h1:5x7fWW0mshe9WQ1lvSMmmHBYC3BeHH9gpwW5tz7cbfw=
 github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d h1:UK9fsWbWqwIQkMCz1CP+v5pGbsGoWAw6g4AyvMpm1EM=
 github.com/Arceliar/phony v0.0.0-20220903101357-530938a4b13d/go.mod h1:BCnxhRf47C/dy/e/D2pmB8NkB3dQVIrkD98b220rx5Q=
 github.com/VividCortex/ewma v1.2.0 h1:f58SaIzcDXrSy3kWaHNvuJgJ3Nmz59Zji6XoJR/q1ow=
 github.com/VividCortex/ewma v1.2.0/go.mod h1:nz4BbCtbLyFDeC9SUHbtcT5644juEuWfUAUnGx7j5l4=
-github.com/bits-and-blooms/bitset v1.3.1/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/bits-and-blooms/bitset v1.5.0 h1:NpE8frKRLGHIcEzkR+gZhiioW1+WbYV6fKwD6ZIpQT8=
-github.com/bits-and-blooms/bitset v1.5.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA=
-github.com/bits-and-blooms/bloom/v3 v3.3.1 h1:K2+A19bXT8gJR5mU7y+1yW6hsKfNCjcP2uNfLFKncjQ=
-github.com/bits-and-blooms/bloom/v3 v3.3.1/go.mod h1:bhUUknWd5khVbTe4UgMCSiOOVJzr3tMoijSK3WwvW90=
-github.com/cheggaaa/pb/v3 v3.1.4 h1:DN8j4TVVdKu3WxVwcRKu0sG00IIU6FewoABZzXbRQeo=
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@@ -20,18 +18,23 @@ github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
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@@ -41,19 +44,20 @@ github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/
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@@ -67,32 +71,35 @@ github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17
 github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f h1:p4VB7kIXpOQvVn1ZaTIVp+3vuYAXFe3OJEvjbUYJLaA=
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@@ -104,34 +111,48 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc
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-golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
+golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
+golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
+golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/time v0.5.0 h1:o7cqy6amK/52YcAKIPlM3a+Fpj35zvRj2TP+e1xFSfk=
+golang.org/x/time v0.5.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.14.0 h1:jvNa2pY0M4r62jkRQ6RwEZZyPcymeL9XZMLBbV7U2nc=
-golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
+golang.org/x/tools v0.23.0 h1:SGsXPZ+2l4JsgaCKkx+FQ9YZ5XEtA1GZYuoDjenLjvg=
+golang.org/x/tools v0.23.0/go.mod h1:pnu6ufv6vQkll6szChhK3C3L/ruaIv5eBeztNG8wtsI=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
-golang.zx2c4.com/wireguard v0.0.0-20230223181233-21636207a675 h1:/J/RVnr7ng4fWPRH3xa4WtBJ1Jp+Auu4YNLmGiPv5QU=
-golang.zx2c4.com/wireguard v0.0.0-20230223181233-21636207a675/go.mod h1:whfbyDBt09xhCYQWtO2+3UVjlaq6/9hDZrjg2ZE6SyA=
+golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173 h1:/jFs0duh4rdb8uIfPMv78iAJGcPKDeqAFnaLBropIC4=
+golang.zx2c4.com/wireguard v0.0.0-20231211153847-12269c276173/go.mod h1:tkCQ4FQXmpAgYVh++1cq16/dH4QJtmvpRv19DWGAHSA=
 golang.zx2c4.com/wireguard/windows v0.5.3 h1:On6j2Rpn3OEMXqBq00QEDC7bWSZrPIHKIus8eIuExIE=
 golang.zx2c4.com/wireguard/windows v0.5.3/go.mod h1:9TEe8TJmtwyQebdFwAkEWOPr3prrtqm+REGFifP60hI=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
+google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
+google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259 h1:TbRPT0HtzFP3Cno1zZo7yPzEEnfu8EjLfl6IU9VfqkQ=
+gvisor.dev/gvisor v0.0.0-20230927004350-cbd86285d259/go.mod h1:AVgIgHMwK63XvmAzWG9vLQ41YnVHN0du0tEC46fI7yY=
+nhooyr.io/websocket v1.8.11 h1:f/qXNc2/3DpoSZkHt1DQu6rj4zGC8JmkkLkWss0MgN0=
+nhooyr.io/websocket v1.8.11/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
--- a/src/admin/addpeer.go
+++ b/src/admin/addpeer.go
@@ -12,7 +12,7 @@ type AddPeerRequest struct {

 type AddPeerResponse struct{}

-func (a *AdminSocket) addPeerHandler(req *AddPeerRequest, res *AddPeerResponse) error {
+func (a *AdminSocket) addPeerHandler(req *AddPeerRequest, _ *AddPeerResponse) error {
 	u, err := url.Parse(req.Uri)
 	if err != nil {
 		return fmt.Errorf("unable to parse peering URI: %w", err)
--- a/src/admin/admin.go
+++ b/src/admin/admin.go
@@ -201,10 +201,6 @@ func (a *AdminSocket) SetupAdminHandlers() {
 			return res, nil
 		},
 	)
-	//_ = a.AddHandler("getNodeInfo", []string{"key"}, t.proto.nodeinfo.nodeInfoAdminHandler)
-	//_ = a.AddHandler("debug_remoteGetSelf", []string{"key"}, t.proto.getSelfHandler)
-	//_ = a.AddHandler("debug_remoteGetPeers", []string{"key"}, t.proto.getPeersHandler)
-	//_ = a.AddHandler("debug_remoteGetDHT", []string{"key"}, t.proto.getDHTHandler)
 }

 // IsStarted returns true if the module has been started.
@@ -269,7 +265,6 @@ func (a *AdminSocket) listen() {
 		case "tcp":
 			a.listener, err = net.Listen("tcp", u.Host)
 		default:
-			// err = errors.New(fmt.Sprint("protocol not supported: ", u.Scheme))
 			a.listener, err = net.Listen("tcp", listenaddr)
 		}
 	} else {
@@ -309,23 +304,6 @@ func (a *AdminSocket) handleRequest(conn net.Conn) {

 	defer conn.Close()

-	/*
-		defer func() {
-			r := recover()
-			if r != nil {
-				fmt.Println("ERROR:", r)
-				a.log.Debugln("Admin socket error:", r)
-				if err := encoder.Encode(&ErrorResponse{
-					Error: "Check your syntax and input types",
-				}); err != nil {
-					fmt.Println("ERROR 2:", err)
-					a.log.Debugln("Admin socket JSON encode error:", err)
-				}
-				conn.Close()
-			}
-		}()
-	*/
-
 	for {
 		var err error
 		var buf json.RawMessage
--- a/src/admin/getpaths.go
+++ b/src/admin/getpaths.go
@@ -23,7 +23,7 @@ type PathEntry struct {
 	Sequence  uint64   `json:"sequence"`
 }

-func (a *AdminSocket) getPathsHandler(req *GetPathsRequest, res *GetPathsResponse) error {
+func (a *AdminSocket) getPathsHandler(_ *GetPathsRequest, res *GetPathsResponse) error {
 	paths := a.core.GetPaths()
 	res.Paths = make([]PathEntry, 0, len(paths))
 	for _, p := range paths {
--- a/src/admin/getpeers.go
+++ b/src/admin/getpeers.go
@@ -24,14 +24,16 @@ type PeerEntry struct {
 	PublicKey     string        `json:"key"`
 	Port          uint64        `json:"port"`
 	Priority      uint64        `json:"priority"`
+	Cost          uint64        `json:"cost"`
 	RXBytes       DataUnit      `json:"bytes_recvd,omitempty"`
 	TXBytes       DataUnit      `json:"bytes_sent,omitempty"`
 	Uptime        float64       `json:"uptime,omitempty"`
-	LastError     string        `json:"last_error,omitempty"`
+	Latency       time.Duration `json:"latency_ms,omitempty"`
 	LastErrorTime time.Duration `json:"last_error_time,omitempty"`
+	LastError     string        `json:"last_error,omitempty"`
 }

-func (a *AdminSocket) getPeersHandler(req *GetPeersRequest, res *GetPeersResponse) error {
+func (a *AdminSocket) getPeersHandler(_ *GetPeersRequest, res *GetPeersResponse) error {
 	peers := a.core.GetPeers()
 	res.Peers = make([]PeerEntry, 0, len(peers))
 	for _, p := range peers {
@@ -40,11 +42,15 @@ func (a *AdminSocket) getPeersHandler(req *GetPeersRequest, res *GetPeersRespons
 			Up:       p.Up,
 			Inbound:  p.Inbound,
 			Priority: uint64(p.Priority), // can't be uint8 thanks to gobind
+			Cost:     uint64(p.Cost),     // can't be uint8 thanks to gobind
 			URI:      p.URI,
 			RXBytes:  DataUnit(p.RXBytes),
 			TXBytes:  DataUnit(p.TXBytes),
 			Uptime:   p.Uptime.Seconds(),
 		}
+		if p.Latency > 0 {
+			peer.Latency = p.Latency
+		}
 		if addr := address.AddrForKey(p.Key); addr != nil {
 			peer.PublicKey = hex.EncodeToString(p.Key)
 			peer.IPAddress = net.IP(addr[:]).String()
@@ -56,10 +62,16 @@ func (a *AdminSocket) getPeersHandler(req *GetPeersRequest, res *GetPeersRespons
 		res.Peers = append(res.Peers, peer)
 	}
 	sort.Slice(res.Peers, func(i, j int) bool {
-		if res.Peers[i].Port == res.Peers[j].Port {
-			return res.Peers[i].Priority < res.Peers[j].Priority
+		if res.Peers[i].Inbound == res.Peers[j].Inbound {
+			if res.Peers[i].PublicKey == res.Peers[j].PublicKey {
+				if res.Peers[i].Priority == res.Peers[j].Priority {
+					return res.Peers[i].Uptime > res.Peers[j].Uptime
+				}
+				return res.Peers[i].Priority < res.Peers[j].Priority
+			}
+			return res.Peers[i].PublicKey < res.Peers[j].PublicKey
 		}
-		return res.Peers[i].Port < res.Peers[j].Port
+		return !res.Peers[i].Inbound && res.Peers[j].Inbound
 	})
 	return nil
 }
--- a/src/admin/getself.go
+++ b/src/admin/getself.go
@@ -17,7 +17,7 @@ type GetSelfResponse struct {
 	Subnet         string `json:"subnet"`
 }

-func (a *AdminSocket) getSelfHandler(req *GetSelfRequest, res *GetSelfResponse) error {
+func (a *AdminSocket) getSelfHandler(_ *GetSelfRequest, res *GetSelfResponse) error {
 	self := a.core.GetSelf()
 	snet := a.core.Subnet()
 	res.BuildName = version.BuildName()
--- a/src/admin/getsessions.go
+++ b/src/admin/getsessions.go
@@ -23,7 +23,7 @@ type SessionEntry struct {
 	Uptime    float64  `json:"uptime"`
 }

-func (a *AdminSocket) getSessionsHandler(req *GetSessionsRequest, res *GetSessionsResponse) error {
+func (a *AdminSocket) getSessionsHandler(_ *GetSessionsRequest, res *GetSessionsResponse) error {
 	sessions := a.core.GetSessions()
 	res.Sessions = make([]SessionEntry, 0, len(sessions))
 	for _, s := range sessions {
--- a/src/admin/gettree.go
+++ b/src/admin/gettree.go
@@ -20,11 +20,9 @@ type TreeEntry struct {
 	PublicKey string `json:"key"`
 	Parent    string `json:"parent"`
 	Sequence  uint64 `json:"sequence"`
-	//Port      uint64 `json:"port"`
-	//Rest      uint64 `json:"rest"`
 }

-func (a *AdminSocket) getTreeHandler(req *GetTreeRequest, res *GetTreeResponse) error {
+func (a *AdminSocket) getTreeHandler(_ *GetTreeRequest, res *GetTreeResponse) error {
 	tree := a.core.GetTree()
 	res.Tree = make([]TreeEntry, 0, len(tree))
 	for _, d := range tree {
@@ -34,8 +32,6 @@ func (a *AdminSocket) getTreeHandler(req *GetTreeRequest, res *GetTreeResponse)
 			PublicKey: hex.EncodeToString(d.Key[:]),
 			Parent:    hex.EncodeToString(d.Parent[:]),
 			Sequence:  d.Sequence,
-			//Port:      d.Port,
-			//Rest:      d.Rest,
 		})
 	}
 	sort.SliceStable(res.Tree, func(i, j int) bool {
--- a/src/admin/removepeer.go
+++ b/src/admin/removepeer.go
@@ -12,7 +12,7 @@ type RemovePeerRequest struct {

 type RemovePeerResponse struct{}

-func (a *AdminSocket) removePeerHandler(req *RemovePeerRequest, res *RemovePeerResponse) error {
+func (a *AdminSocket) removePeerHandler(req *RemovePeerRequest, _ *RemovePeerResponse) error {
 	u, err := url.Parse(req.Uri)
 	if err != nil {
 		return fmt.Errorf("unable to parse peering URI: %w", err)
--- a/src/config/config.go
+++ b/src/config/config.go
@@ -51,9 +51,9 @@ type NodeConfig struct {
 	AllowedPublicKeys   []string                   `comment:"List of peer public keys to allow incoming peering connections\nfrom. If left empty/undefined then all connections will be allowed\nby default. This does not affect outgoing peerings, nor does it\naffect link-local peers discovered via multicast."`
 	IfName              string                     `comment:"Local network interface name for TUN adapter, or \"auto\" to select\nan interface automatically, or \"none\" to run without TUN."`
 	IfMTU               uint64                     `comment:"Maximum Transmission Unit (MTU) size for your local TUN interface.\nDefault is the largest supported size for your platform. The lowest\npossible value is 1280."`
+	LogLookups          bool                       `json:",omitempty"`
 	NodeInfoPrivacy     bool                       `comment:"By default, nodeinfo contains some defaults including the platform,\narchitecture and Yggdrasil version. These can help when surveying\nthe network and diagnosing network routing problems. Enabling\nnodeinfo privacy prevents this, so that only items specified in\n\"NodeInfo\" are sent back if specified."`
 	NodeInfo            map[string]interface{}     `comment:"Optional node info. This must be a { \"key\": \"value\", ... } map\nor set as null. This is entirely optional but, if set, is visible\nto the whole network on request."`
-	LogLookups          bool                       `json:",omitempty"`
 }

 type MulticastInterfaceConfig struct {
@@ -62,6 +62,7 @@ type MulticastInterfaceConfig struct {
 	Listen   bool
 	Port     uint16
 	Priority uint64 // really uint8, but gobind won't export it
+	Cost     uint16 // really uint8, but gobind won't export it
 	Password string
 }

--- a/src/core/api.go
+++ b/src/core/api.go
@@ -30,9 +30,11 @@ type PeerInfo struct {
 	Coords        []uint64
 	Port          uint64
 	Priority      uint8
+	Cost          uint8
 	RXBytes       uint64
 	TXBytes       uint64
 	Uptime        time.Duration
+	Latency       time.Duration
 }

 type TreeEntryInfo struct {
@@ -92,6 +94,8 @@ func (c *Core) GetPeers() []PeerInfo {
 				peerinfo.Root = p.Root
 				peerinfo.Port = p.Port
 				peerinfo.Priority = p.Priority
+				peerinfo.Latency = p.Latency
+				peerinfo.Cost = uint8(p.Cost)
 			}
 			peers = append(peers, peerinfo)
 		}
--- a/src/core/core.go
+++ b/src/core/core.go
@@ -212,7 +212,7 @@ func (c *Core) ReadFrom(p []byte) (n int, from net.Addr, err error) {

 func (c *Core) WriteTo(p []byte, addr net.Addr) (n int, err error) {
 	buf := allocBytes(0)
-	defer freeBytes(buf)
+	defer func() { freeBytes(buf) }()
 	buf = append(buf, typeSessionTraffic)
 	buf = append(buf, p...)
 	n, err = c.PacketConn.WriteTo(buf, addr)
--- a/src/core/debug.go
+++ b/src/core/debug.go
@@ -12,6 +12,8 @@ func init() {
 	envVarName := "PPROFLISTEN"
 	if hostPort := os.Getenv(envVarName); hostPort != "" {
 		fmt.Fprintf(os.Stderr, "DEBUG: Starting pprof on %s\n", hostPort)
-		go fmt.Println(http.ListenAndServe(hostPort, nil))
+		go func() {
+			fmt.Fprintf(os.Stderr, "DEBUG: %s", http.ListenAndServe(hostPort, nil))
+		}()
 	}
 }
--- a/src/core/link.go
+++ b/src/core/link.go
@@ -6,9 +6,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
-	"math"
 	"net"
-	"net/netip"
 	"net/url"
 	"strconv"
 	"strings"
@@ -28,6 +26,9 @@ const (
 	linkTypeIncoming                   // Incoming connection
 )

+const defaultBackoffLimit = time.Second << 12 // 1h8m16s
+const minimumBackoffLimit = time.Second * 30
+
 type links struct {
 	phony.Inbox
 	core  *Core
@@ -36,6 +37,8 @@ type links struct {
 	unix  *linkUNIX  // UNIX interface support
 	socks *linkSOCKS // SOCKS interface support
 	quic  *linkQUIC  // QUIC interface support
+	ws    *linkWS    // WS interface support
+	wss   *linkWSS   // WSS interface support
 	// _links can only be modified safely from within the links actor
 	_links map[linkInfo]*link // *link is nil if connection in progress
 }
@@ -61,14 +64,16 @@ type link struct {
 	// The remaining fields can only be modified safely from within the links actor
 	_conn    *linkConn // Connected link, if any, nil if not connected
 	_err     error     // Last error on the connection, if any
-	_errtime time.Time // Last time an error occured
+	_errtime time.Time // Last time an error occurred
 }

 type linkOptions struct {
 	pinnedEd25519Keys map[keyArray]struct{}
 	priority          uint8
+	cost              uint8
 	tlsSNI            string
 	password          []byte
+	maxBackoff        time.Duration
 }

 type Listener struct {
@@ -95,6 +100,8 @@ func (l *links) init(c *Core) error {
 	l.unix = l.newLinkUNIX()
 	l.socks = l.newLinkSOCKS()
 	l.quic = l.newLinkQUIC()
+	l.ws = l.newLinkWS()
+	l.wss = l.newLinkWSS()
 	l._links = make(map[linkInfo]*link)

 	var listeners []ListenAddress
@@ -133,9 +140,11 @@ func (e linkError) Error() string { return string(e) }
 const ErrLinkAlreadyConfigured = linkError("peer is already configured")
 const ErrLinkNotConfigured = linkError("peer is not configured")
 const ErrLinkPriorityInvalid = linkError("priority value is invalid")
+const ErrLinkCostInvalid = linkError("cost value is invalid")
 const ErrLinkPinnedKeyInvalid = linkError("pinned public key is invalid")
 const ErrLinkPasswordInvalid = linkError("password is invalid")
 const ErrLinkUnrecognisedSchema = linkError("link schema unknown")
+const ErrLinkMaxBackoffInvalid = linkError("max backoff duration invalid")

 func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
 	var retErr error
@@ -150,7 +159,9 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {

 		// Collect together the link options, these are global options
 		// that are not specific to any given protocol.
-		var options linkOptions
+		options := linkOptions{
+			maxBackoff: defaultBackoffLimit,
+		}
 		for _, pubkey := range u.Query()["key"] {
 			sigPub, err := hex.DecodeString(pubkey)
 			if err != nil {
@@ -172,6 +183,14 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
 			}
 			options.priority = uint8(pi)
 		}
+		if p := u.Query().Get("cost"); p != "" {
+			c, err := strconv.ParseUint(p, 10, 8)
+			if err != nil {
+				retErr = ErrLinkCostInvalid
+				return
+			}
+			options.cost = uint8(c)
+		}
 		if p := u.Query().Get("password"); p != "" {
 			if len(p) > blake2b.Size {
 				retErr = ErrLinkPasswordInvalid
@@ -179,6 +198,14 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
 			}
 			options.password = []byte(p)
 		}
+		if p := u.Query().Get("maxbackoff"); p != "" {
+			d, err := time.ParseDuration(p)
+			if err != nil || d < minimumBackoffLimit {
+				retErr = ErrLinkMaxBackoffInvalid
+				return
+			}
+			options.maxBackoff = d
+		}
 		// SNI headers must contain hostnames and not IP addresses, so we must make sure
 		// that we do not populate the SNI with an IP literal. We do this by splitting
 		// the host-port combo from the query option and then seeing if it parses to an
@@ -235,10 +262,13 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
 		// The caller should check the return value to decide whether
 		// or not to give up trying.
 		backoffNow := func() bool {
-			if backoff < 14 { // Cap at roughly 4.5 hours maximum.
+			if backoff < 32 {
 				backoff++
 			}
-			duration := time.Second * time.Duration(math.Exp2(float64(backoff)))
+			duration := time.Second << backoff
+			if duration > options.maxBackoff {
+				duration = options.maxBackoff
+			}
 			select {
 			case <-state.kick:
 				return true
@@ -362,7 +392,7 @@ func (l *links) add(u *url.URL, sintf string, linkType linkType) error {
 	return retErr
 }

-func (l *links) remove(u *url.URL, sintf string, linkType linkType) error {
+func (l *links) remove(u *url.URL, sintf string, _ linkType) error {
 	var retErr error
 	phony.Block(l, func() {
 		// Generate the link info and see whether we think we already
@@ -401,6 +431,10 @@ func (l *links) listen(u *url.URL, sintf string) (*Listener, error) {
 		protocol = l.unix
 	case "quic":
 		protocol = l.quic
+	case "ws":
+		protocol = l.ws
+	case "wss":
+		protocol = l.wss
 	default:
 		cancel()
 		return nil, ErrLinkUnrecognisedSchema
@@ -424,6 +458,13 @@ func (l *links) listen(u *url.URL, sintf string) (*Listener, error) {
 		}
 		options.priority = uint8(pi)
 	}
+	if p := u.Query().Get("cost"); p != "" {
+		c, err := strconv.ParseUint(p, 10, 8)
+		if err != nil {
+			return nil, ErrLinkCostInvalid
+		}
+		options.cost = uint8(c)
+	}
 	if p := u.Query().Get("password"); p != "" {
 		if len(p) > blake2b.Size {
 			return nil, ErrLinkPasswordInvalid
@@ -529,6 +570,10 @@ func (l *links) connect(ctx context.Context, u *url.URL, info linkInfo, options
 		dialer = l.unix
 	case "quic":
 		dialer = l.quic
+	case "ws":
+		dialer = l.ws
+	case "wss":
+		dialer = l.wss
 	default:
 		return nil, ErrLinkUnrecognisedSchema
 	}
@@ -539,6 +584,7 @@ func (l *links) handler(linkType linkType, options linkOptions, conn net.Conn, s
 	meta := version_getBaseMetadata()
 	meta.publicKey = l.core.public
 	meta.priority = options.priority
+	meta.cost = options.cost
 	metaBytes, err := meta.encode(l.core.secret, options.password)
 	if err != nil {
 		return fmt.Errorf("failed to generate handshake: %w", err)
@@ -550,7 +596,7 @@ func (l *links) handler(linkType linkType, options linkOptions, conn net.Conn, s
 	switch {
 	case err != nil:
 		return fmt.Errorf("write handshake: %w", err)
-	case err == nil && n != len(metaBytes):
+	case n != len(metaBytes):
 		return fmt.Errorf("incomplete handshake send")
 	}
 	meta = version_metadata{}
@@ -600,17 +646,20 @@ func (l *links) handler(linkType linkType, options linkOptions, conn net.Conn, s
 	remoteAddr := net.IP(address.AddrForKey(meta.publicKey)[:]).String()
 	remoteStr := fmt.Sprintf("%s@%s", remoteAddr, conn.RemoteAddr())
 	localStr := conn.LocalAddr()
-	priority := options.priority
+	cost, priority := options.cost, options.priority
 	if meta.priority > priority {
 		priority = meta.priority
 	}
+	if meta.cost > cost {
+		cost = meta.cost
+	}
 	l.core.log.Infof("Connected %s: %s, source %s",
 		dir, remoteStr, localStr)
 	if success != nil {
 		success()
 	}

-	err = l.core.HandleConn(meta.publicKey, conn, priority)
+	err = l.core.HandleConn(meta.publicKey, conn, cost, priority)
 	switch err {
 	case io.EOF, net.ErrClosed, nil:
 		l.core.log.Infof("Disconnected %s: %s, source %s",
@@ -624,16 +673,6 @@ func (l *links) handler(linkType linkType, options linkOptions, conn net.Conn, s

 func urlForLinkInfo(u url.URL) url.URL {
 	u.RawQuery = ""
-	if host, _, err := net.SplitHostPort(u.Host); err == nil {
-		if addr, err := netip.ParseAddr(host); err == nil {
-			// For peers that look like multicast peers (i.e.
-			// link-local addresses), we will ignore the port number,
-			// otherwise we might open multiple connections to them.
-			if addr.IsLinkLocalUnicast() {
-				u.Host = fmt.Sprintf("[%s]", addr.String())
-			}
-		}
-	}
 	return u
 }

--- a/src/core/link_quic.go
+++ b/src/core/link_quic.go
@@ -3,6 +3,7 @@ package core
 import (
 	"context"
 	"crypto/tls"
+	"fmt"
 	"net"
 	"net/url"
 	"time"
@@ -77,18 +78,22 @@ func (l *linkQUIC) listen(ctx context.Context, url *url.URL, _ string) (net.List
 	go func() {
 		for {
 			qc, err := ql.Accept(ctx)
-			if err != nil {
+			switch err {
+			case context.Canceled, context.DeadlineExceeded:
 				ql.Close()
+				fallthrough
+			case quic.ErrServerClosed:
 				return
-			}
-			qs, err := qc.AcceptStream(ctx)
-			if err != nil {
-				ql.Close()
-				return
-			}
-			ch <- &linkQUICStream{
-				Connection: qc,
-				Stream:     qs,
+			case nil:
+				qs, err := qc.AcceptStream(ctx)
+				if err != nil {
+					_ = qc.CloseWithError(1, fmt.Sprintf("stream error: %s", err))
+					continue
+				}
+				ch <- &linkQUICStream{
+					Connection: qc,
+					Stream:     qs,
+				}
 			}
 		}
 	}()
--- a/src/core/link_tcp_darwin.go
+++ b/src/core/link_tcp_darwin.go
@@ -28,6 +28,6 @@ func (t *linkTCP) tcpContext(network, address string, c syscall.RawConn) error {
 	}
 }

-func (t *linkTCP) getControl(sintf string) func(string, string, syscall.RawConn) error {
+func (t *linkTCP) getControl(_ string) func(string, string, syscall.RawConn) error {
 	return t.tcpContext
 }
--- a/src/core/link_ws.go
+++ b/src/core/link_ws.go
@@ -0,0 +1,123 @@
+package core
+
+import (
+	"context"
+	"net"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/Arceliar/phony"
+	"nhooyr.io/websocket"
+)
+
+type linkWS struct {
+	phony.Inbox
+	*links
+}
+
+type linkWSConn struct {
+	net.Conn
+}
+
+type linkWSListener struct {
+	ch         chan *linkWSConn
+	ctx        context.Context
+	httpServer *http.Server
+	listener   net.Listener
+}
+
+type wsServer struct {
+	ch  chan *linkWSConn
+	ctx context.Context
+}
+
+func (l *linkWSListener) Accept() (net.Conn, error) {
+	qs := <-l.ch
+	if qs == nil {
+		return nil, context.Canceled
+	}
+	return qs, nil
+}
+
+func (l *linkWSListener) Addr() net.Addr {
+	return l.listener.Addr()
+}
+
+func (l *linkWSListener) Close() error {
+	if err := l.httpServer.Shutdown(l.ctx); err != nil {
+		return err
+	}
+	return l.listener.Close()
+}
+
+func (s *wsServer) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path == "/health" || r.URL.Path == "/healthz" {
+		w.WriteHeader(http.StatusOK)
+		_, _ = w.Write([]byte("OK"))
+		return
+	}
+
+	c, err := websocket.Accept(w, r, &websocket.AcceptOptions{
+		Subprotocols: []string{"ygg-ws"},
+	})
+	if err != nil {
+		return
+	}
+
+	if c.Subprotocol() != "ygg-ws" {
+		c.Close(websocket.StatusPolicyViolation, "client must speak the ygg-ws subprotocol")
+		return
+	}
+
+	s.ch <- &linkWSConn{
+		Conn: websocket.NetConn(s.ctx, c, websocket.MessageBinary),
+	}
+}
+
+func (l *links) newLinkWS() *linkWS {
+	lt := &linkWS{
+		links: l,
+	}
+	return lt
+}
+
+func (l *linkWS) dial(ctx context.Context, url *url.URL, info linkInfo, options linkOptions) (net.Conn, error) {
+	wsconn, _, err := websocket.Dial(ctx, url.String(), &websocket.DialOptions{
+		Subprotocols: []string{"ygg-ws"},
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &linkWSConn{
+		Conn: websocket.NetConn(ctx, wsconn, websocket.MessageBinary),
+	}, nil
+}
+
+func (l *linkWS) listen(ctx context.Context, url *url.URL, _ string) (net.Listener, error) {
+	nl, err := net.Listen("tcp", url.Host)
+	if err != nil {
+		return nil, err
+	}
+
+	ch := make(chan *linkWSConn)
+
+	httpServer := &http.Server{
+		Handler: &wsServer{
+			ch:  ch,
+			ctx: ctx,
+		},
+		BaseContext:  func(_ net.Listener) context.Context { return ctx },
+		ReadTimeout:  time.Second * 10,
+		WriteTimeout: time.Second * 10,
+	}
+
+	lwl := &linkWSListener{
+		ch:         ch,
+		ctx:        ctx,
+		httpServer: httpServer,
+		listener:   nl,
+	}
+	go lwl.httpServer.Serve(nl) // nolint:errcheck
+	return lwl, nil
+}
--- a/src/core/link_wss.go
+++ b/src/core/link_wss.go
@@ -0,0 +1,43 @@
+package core
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"net/url"
+
+	"github.com/Arceliar/phony"
+	"nhooyr.io/websocket"
+)
+
+type linkWSS struct {
+	phony.Inbox
+	*links
+}
+
+type linkWSSConn struct {
+	net.Conn
+}
+
+func (l *links) newLinkWSS() *linkWSS {
+	lwss := &linkWSS{
+		links: l,
+	}
+	return lwss
+}
+
+func (l *linkWSS) dial(ctx context.Context, url *url.URL, info linkInfo, options linkOptions) (net.Conn, error) {
+	wsconn, _, err := websocket.Dial(ctx, url.String(), &websocket.DialOptions{
+		Subprotocols: []string{"ygg-ws"},
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &linkWSSConn{
+		Conn: websocket.NetConn(ctx, wsconn, websocket.MessageBinary),
+	}, nil
+}
+
+func (l *linkWSS) listen(ctx context.Context, url *url.URL, _ string) (net.Listener, error) {
+	return nil, fmt.Errorf("WSS listener not supported, use WS listener behind reverse proxy instead")
+}
--- a/src/core/proto.go
+++ b/src/core/proto.go
@@ -251,15 +251,16 @@ func (p *protoHandler) getSelfHandler(in json.RawMessage) (interface{}, error) {
 	if kbs, err = hex.DecodeString(req.Key); err != nil {
 		return nil, err
 	}
+	if len(kbs) != ed25519.PublicKeySize {
+		return nil, fmt.Errorf("invalid public key length")
+	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
 	p.sendGetSelfRequest(key, func(info []byte) {
 		ch <- info
 	})
-	timer := time.NewTimer(6 * time.Second)
-	defer timer.Stop()
 	select {
-	case <-timer.C:
+	case <-time.After(6 * time.Second):
 		return nil, errors.New("timeout")
 	case info := <-ch:
 		var msg json.RawMessage
@@ -291,15 +292,16 @@ func (p *protoHandler) getPeersHandler(in json.RawMessage) (interface{}, error)
 	if kbs, err = hex.DecodeString(req.Key); err != nil {
 		return nil, err
 	}
+	if len(kbs) != ed25519.PublicKeySize {
+		return nil, fmt.Errorf("invalid public key length")
+	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
 	p.sendGetPeersRequest(key, func(info []byte) {
 		ch <- info
 	})
-	timer := time.NewTimer(6 * time.Second)
-	defer timer.Stop()
 	select {
-	case <-timer.C:
+	case <-time.After(6 * time.Second):
 		return nil, errors.New("timeout")
 	case info := <-ch:
 		ks := make(map[string][]string)
@@ -341,15 +343,16 @@ func (p *protoHandler) getTreeHandler(in json.RawMessage) (interface{}, error) {
 	if kbs, err = hex.DecodeString(req.Key); err != nil {
 		return nil, err
 	}
+	if len(kbs) != ed25519.PublicKeySize {
+		return nil, fmt.Errorf("invalid public key length")
+	}
 	copy(key[:], kbs)
 	ch := make(chan []byte, 1)
 	p.sendGetTreeRequest(key, func(info []byte) {
 		ch <- info
 	})
-	timer := time.NewTimer(6 * time.Second)
-	defer timer.Stop()
 	select {
-	case <-timer.C:
+	case <-time.After(6 * time.Second):
 		return nil, errors.New("timeout")
 	case info := <-ch:
 		ks := make(map[string][]string)
--- a/src/core/version.go
+++ b/src/core/version.go
@@ -22,6 +22,7 @@ type version_metadata struct {
 	minorVer  uint16
 	publicKey ed25519.PublicKey
 	priority  uint8
+	cost      uint8
 }

 const (
@@ -36,6 +37,7 @@ const (
 	metaVersionMinor               // uint16
 	metaPublicKey                  // [32]byte
 	metaPriority                   // uint8
+	metaCost                       // uint8
 )

 // Gets a base metadata with no keys set, but with the correct version numbers.
@@ -64,9 +66,17 @@ func (m *version_metadata) encode(privateKey ed25519.PrivateKey, password []byte
 	bs = binary.BigEndian.AppendUint16(bs, ed25519.PublicKeySize)
 	bs = append(bs, m.publicKey[:]...)

-	bs = binary.BigEndian.AppendUint16(bs, metaPriority)
-	bs = binary.BigEndian.AppendUint16(bs, 1)
-	bs = append(bs, m.priority)
+	if m.priority > 0 {
+		bs = binary.BigEndian.AppendUint16(bs, metaPriority)
+		bs = binary.BigEndian.AppendUint16(bs, 1)
+		bs = append(bs, m.priority)
+	}
+
+	if m.cost > 0 {
+		bs = binary.BigEndian.AppendUint16(bs, metaCost)
+		bs = binary.BigEndian.AppendUint16(bs, 1)
+		bs = append(bs, m.cost)
+	}

 	hasher, err := blake2b.New512(password)
 	if err != nil {
@@ -126,6 +136,9 @@ func (m *version_metadata) decode(r io.Reader, password []byte) error {

 		case metaPriority:
 			m.priority = bs[0]
+
+		case metaCost:
+			m.cost = bs[0]
 		}
 		bs = bs[oplen:]
 	}
--- a/src/core/version_test.go
+++ b/src/core/version_test.go
@@ -52,6 +52,9 @@ func TestVersionRoundtrip(t *testing.T) {
 			{majorVer: 258, minorVer: 259},
 			{majorVer: 3, minorVer: 5, priority: 6},
 			{majorVer: 260, minorVer: 261, priority: 7},
+			{majorVer: 258, minorVer: 259, cost: 5},
+			{majorVer: 3, minorVer: 5, priority: 6, cost: 12},
+			{majorVer: 260, minorVer: 261, priority: 7, cost: 1},
 		} {
 			// Generate a random public key for each time, since it is
 			// a required field.
--- a/src/multicast/admin.go
+++ b/src/multicast/admin.go
@@ -11,7 +11,7 @@ type GetMulticastInterfacesResponse struct {
 	Interfaces []string `json:"multicast_interfaces"`
 }

-func (m *Multicast) getMulticastInterfacesHandler(req *GetMulticastInterfacesRequest, res *GetMulticastInterfacesResponse) error {
+func (m *Multicast) getMulticastInterfacesHandler(_ *GetMulticastInterfacesRequest, res *GetMulticastInterfacesResponse) error {
 	res.Interfaces = []string{}
 	for _, v := range m.Interfaces() {
 		res.Interfaces = append(res.Interfaces, v.Name)
--- a/src/multicast/multicast.go
+++ b/src/multicast/multicast.go
@@ -45,6 +45,7 @@ type interfaceInfo struct {
 	listen   bool
 	port     uint16
 	priority uint8
+	cost     uint8
 	password []byte
 	hash     []byte
 }
@@ -214,6 +215,7 @@ func (m *Multicast) _getAllowedInterfaces() map[string]*interfaceInfo {
 				listen:   ifcfg.Listen,
 				port:     ifcfg.Port,
 				priority: ifcfg.Priority,
+				cost:     ifcfg.Cost,
 				password: []byte(ifcfg.Password),
 				hash:     hasher.Sum(nil),
 			}
@@ -314,6 +316,7 @@ func (m *Multicast) _announce() {
 				// No listener was found - let's create one
 				v := &url.Values{}
 				v.Add("priority", fmt.Sprintf("%d", info.priority))
+				v.Add("cost", fmt.Sprintf("%d", info.cost))
 				v.Add("password", string(info.password))
 				u := &url.URL{
 					Scheme:   "tls",
@@ -358,6 +361,7 @@ func (m *Multicast) _announce() {
 			if linfo.interval.Seconds() < 15 {
 				linfo.interval += time.Second
 			}
+			linfo.time = time.Now()
 			break
 		}
 	}
@@ -427,6 +431,7 @@ func (m *Multicast) listen() {
 			v := &url.Values{}
 			v.Add("key", hex.EncodeToString(adv.PublicKey))
 			v.Add("priority", fmt.Sprintf("%d", info.priority))
+			v.Add("cost", fmt.Sprintf("%d", info.cost))
 			v.Add("password", string(info.password))
 			u := &url.URL{
 				Scheme:   "tls",
--- a/src/multicast/options.go
+++ b/src/multicast/options.go
@@ -21,6 +21,7 @@ type MulticastInterface struct {
 	Listen   bool
 	Port     uint16
 	Priority uint8
+	Cost     uint8
 	Password string
 }

--- a/src/tun/iface.go
+++ b/src/tun/iface.go
@@ -1,42 +1,60 @@
 package tun

-const TUN_OFFSET_BYTES = 4
+const TUN_OFFSET_BYTES = 80 // sizeof(virtio_net_hdr)

 func (tun *TunAdapter) read() {
-	var buf [TUN_OFFSET_BYTES + 65535]byte
+	vs := tun.iface.BatchSize()
+	bufs := make([][]byte, vs)
+	sizes := make([]int, vs)
+	for i := range bufs {
+		bufs[i] = make([]byte, TUN_OFFSET_BYTES+65535)
+	}
 	for {
-		n, err := tun.iface.Read(buf[:], TUN_OFFSET_BYTES)
-		if n <= TUN_OFFSET_BYTES || err != nil {
+		n, err := tun.iface.Read(bufs, sizes, TUN_OFFSET_BYTES)
+		if err != nil {
 			tun.log.Errorln("Error reading TUN:", err)
-			ferr := tun.iface.Flush()
-			if ferr != nil {
-				tun.log.Errorln("Unable to flush packets:", ferr)
-			}
 			return
 		}
-		begin := TUN_OFFSET_BYTES
-		end := begin + n
-		bs := buf[begin:end]
-		if _, err := tun.rwc.Write(bs); err != nil {
-			tun.log.Debugln("Unable to send packet:", err)
+		for i, b := range bufs[:n] {
+			if _, err := tun.rwc.Write(b[TUN_OFFSET_BYTES : TUN_OFFSET_BYTES+sizes[i]]); err != nil {
+				tun.log.Debugln("Unable to send packet:", err)
+			}
 		}
 	}
 }

-func (tun *TunAdapter) write() {
-	var buf [TUN_OFFSET_BYTES + 65535]byte
+func (tun *TunAdapter) queue() {
 	for {
-		bs := buf[TUN_OFFSET_BYTES:]
-		n, err := tun.rwc.Read(bs)
+		p := bufPool.Get().([]byte)[:bufPoolSize]
+		n, err := tun.rwc.Read(p)
 		if err != nil {
 			tun.log.Errorln("Exiting TUN writer due to core read error:", err)
 			return
 		}
+		tun.ch <- p[:n]
+	}
+}
+
+func (tun *TunAdapter) write() {
+	vs := cap(tun.ch)
+	bufs := make([][]byte, vs)
+	for i := range bufs {
+		bufs[i] = make([]byte, TUN_OFFSET_BYTES+65535)
+	}
+	for {
+		n := len(tun.ch)
+		if n == 0 {
+			n = 1 // Nothing queued up yet, wait for it instead
+		}
+		for i := 0; i < n; i++ {
+			msg := <-tun.ch
+			bufs[i] = append(bufs[i][:TUN_OFFSET_BYTES], msg...)
+			bufPool.Put(msg) // nolint:staticcheck
+		}
 		if !tun.isEnabled {
 			continue // Nothing to do, the tun isn't enabled
 		}
-		bs = buf[:TUN_OFFSET_BYTES+n]
-		if _, err = tun.iface.Write(bs, TUN_OFFSET_BYTES); err != nil {
+		if _, err := tun.iface.Write(bufs[:n], TUN_OFFSET_BYTES); err != nil {
 			tun.Act(nil, func() {
 				if !tun.isOpen {
 					tun.log.Errorln("TUN iface write error:", err)
--- a/src/tun/tun.go
+++ b/src/tun/tun.go
@@ -10,9 +10,11 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"sync"
+	"time"

 	"github.com/Arceliar/phony"
-	"golang.zx2c4.com/wireguard/tun"
+	wgtun "golang.zx2c4.com/wireguard/tun"

 	"github.com/yggdrasil-network/yggdrasil-go/src/address"
 	"github.com/yggdrasil-network/yggdrasil-go/src/config"
@@ -39,7 +41,7 @@ type TunAdapter struct {
 	addr        address.Address
 	subnet      address.Subnet
 	mtu         uint64
-	iface       tun.Device
+	iface       wgtun.Device
 	phony.Inbox // Currently only used for _handlePacket from the reader, TODO: all the stuff that currently needs a mutex below
 	isOpen      bool
 	isEnabled   bool // Used by the writer to drop sessionTraffic if not enabled
@@ -48,6 +50,7 @@ type TunAdapter struct {
 		name InterfaceName
 		mtu  InterfaceMTU
 	}
+	ch chan []byte
 }

 // Gets the maximum supported MTU for the platform based on the defaults in
@@ -62,6 +65,20 @@ func getSupportedMTU(mtu uint64) uint64 {
 	return mtu
 }

+func waitForTUNUp(ch <-chan wgtun.Event) bool {
+	t := time.After(time.Second * 5)
+	for {
+		select {
+		case ev := <-ch:
+			if ev == wgtun.EventUp {
+				return true
+			}
+		case <-t:
+			return false
+		}
+	}
+}
+
 // Name returns the name of the adapter, e.g. "tun0". On Windows, this may
 // return a canonical adapter name instead.
 func (tun *TunAdapter) Name() string {
@@ -145,6 +162,8 @@ func (tun *TunAdapter) _start() error {
 	tun.rwc.SetMTU(tun.MTU())
 	tun.isOpen = true
 	tun.isEnabled = true
+	tun.ch = make(chan []byte, tun.iface.BatchSize())
+	go tun.queue()
 	go tun.read()
 	go tun.write()
 	return nil
@@ -178,3 +197,12 @@ func (tun *TunAdapter) _stop() error {
 	}
 	return nil
 }
+
+const bufPoolSize = TUN_OFFSET_BYTES + 65535
+
+var bufPool = sync.Pool{
+	New: func() any {
+		b := [bufPoolSize]byte{}
+		return b[:]
+	},
+}
--- a/src/tun/tun_bsd.go
+++ b/src/tun/tun_bsd.go
@@ -80,6 +80,9 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
 	if err != nil {
 		return fmt.Errorf("failed to create TUN: %w", err)
 	}
+	if !waitForTUNUp(iface.Events()) {
+		return fmt.Errorf("TUN did not come up in time")
+	}
 	tun.iface = iface
 	if mtu, err := iface.MTU(); err == nil {
 		tun.mtu = getSupportedMTU(uint64(mtu))
--- a/src/tun/tun_darwin.go
+++ b/src/tun/tun_darwin.go
@@ -27,6 +27,9 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
 	if err != nil {
 		return fmt.Errorf("failed to create TUN: %w", err)
 	}
+	if !waitForTUNUp(iface.Events()) {
+		return fmt.Errorf("TUN did not come up in time")
+	}
 	tun.iface = iface
 	if m, err := iface.MTU(); err == nil {
 		tun.mtu = getSupportedMTU(uint64(m))
@@ -55,6 +58,9 @@ func (tun *TunAdapter) setupFD(fd int32, addr string, mtu uint64) error {
 		unix.Close(dfd)
 		return fmt.Errorf("failed to create TUN from FD: %w", err)
 	}
+	if !waitForTUNUp(iface.Events()) {
+		return fmt.Errorf("TUN did not come up in time")
+	}
 	tun.iface = iface
 	if m, err := iface.MTU(); err == nil {
 		tun.mtu = getSupportedMTU(uint64(m))
--- a/src/tun/tun_linux.go
+++ b/src/tun/tun_linux.go
@@ -21,6 +21,9 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
 	if err != nil {
 		return fmt.Errorf("failed to create TUN: %w", err)
 	}
+	if !waitForTUNUp(iface.Events()) {
+		return fmt.Errorf("TUN did not come up in time")
+	}
 	tun.iface = iface
 	if mtu, err := iface.MTU(); err == nil {
 		tun.mtu = getSupportedMTU(uint64(mtu))
--- a/src/tun/tun_other.go
+++ b/src/tun/tun_other.go
@@ -18,6 +18,9 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
 	if err != nil {
 		return fmt.Errorf("failed to create TUN: %w", err)
 	}
+	if !waitForTUNUp(iface.Events()) {
+		return fmt.Errorf("TUN did not come up in time")
+	}
 	tun.iface = iface
 	if mtu, err := iface.MTU(); err == nil {
 		tun.mtu = getSupportedMTU(uint64(mtu))
--- a/src/tun/tun_windows.go
+++ b/src/tun/tun_windows.go
@@ -34,6 +34,9 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
 		if iface, err = wgtun.CreateTUNWithRequestedGUID(ifname, &guid, int(mtu)); err != nil {
 			return err
 		}
+		if !waitForTUNUp(iface.Events()) {
+			return fmt.Errorf("TUN did not come up in time")
+		}
 		tun.iface = iface
 		if addr != "" {
 			if err = tun.setupAddress(addr); err != nil {
Author	SHA1	Message	Date
Neil Alexander	2bc2b77ed9	Update ironwood dependency (temporary replace)	2024-07-24 18:28:08 +01:00
Neil Alexander	bfdcf0762f	Link cost-aware routing	2024-07-24 18:28:08 +01:00
Vasyl Gello	5ea16e63a1	Implement websocket (ws:// and wss://) links (#1152 ) ws:// can be listened and dialed wss:// is a convenience link for ws:// that supports dialing to ws:// peer. --------- Signed-off-by: Vasyl Gello <vasek.gello@gmail.com> Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>	2024-07-23 22:58:11 +01:00
Neil Alexander	da7ebde828	Update dependencies	2024-07-20 15:37:31 +01:00
Neil	02d92ff81c	TUN vectorised reads/writes (#1145 ) This PR updates the Wireguard dependency and updates to use new vectorised reads/writes, which should reduce the number of syscalls and improve performance. This will only make a difference on Linux as this is the only platform for which the Wireguard TUN library supports vectorised reads/writes. For other platforms, single reads and writes will be performed as usual. --------- Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>	2024-07-20 15:24:30 +01:00
Neil Alexander	04c0acf71b	Various clean-ups	2024-07-20 12:31:58 +01:00
Neil Alexander	8ecc402d7c	Allow multiple connections to the same link-local address Note that this may mean that currently we end up with two links to each multicast-discovered peer, one incoming and one outgoing	2024-07-20 11:31:08 +01:00
Neil Alexander	c505097be0	Update mobile build for iOS/macOS framework generation	2024-06-26 23:17:11 +01:00
Neil	fec96a38a4	Release: Yggdrasil v0.5.6 (#1144 ) * Changelog updates for Yggdrasil v0.5.6 * Fix spelling error --------- Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com> Co-authored-by: Arceliar <Arceliar@users.noreply.github.com>	2024-05-30 23:30:05 +01:00
Neil	f788a18bef	Measure RTT, report in `getPeers` (#1143 ) Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>	2024-05-30 22:46:06 +01:00
Neil Alexander	fcefb20993	Fix interval check when sending multicast beacons	2024-05-28 10:03:48 +01:00
Neil Alexander	2831d73f73	Try to fix WiX for Windows MSI builds	2024-05-27 22:52:48 +01:00
Neil Alexander	c2811c0cdc	Update more GHA actions due to deprecations	2024-05-27 22:14:28 +01:00
Neil Alexander	5d9c5b3c9b	Minimum Go 1.21, update `quic-go`, update some CI actions	2024-05-27 22:03:41 +01:00
Paul Donald	f56f9c124c	Minor Fixes (#1107 ) * Minor comment fixes. * Optimize PeerEntry for memory efficiency * Improve NodeConfig for memory alignment	2024-05-27 21:57:28 +01:00
trashpile-shenanigans	5da1fbe397	Bump minimum required go version to 1.20 in documentation as required by quic-go dependency (#1138 )	2024-05-27 21:53:52 +01:00
Arceliar	6f3a0a71d4	update ironwood and other dependencies	2024-05-25 06:16:11 -05:00
Arceliar	6cbe56adfe	fix incorrect pool use	2024-05-25 06:15:36 -05:00
Arceliar	2d644eabc3	update ironwood (updates bloom dependency)	2024-03-21 21:33:07 -05:00
Neil Alexander	2c20a04369	Release: Yggdrasil 0.5.5	2024-01-27 22:54:54 +00:00
Neil Alexander	81f2c711b4	Fix panic in `getPeers` on abstract UNIX socket names Fixes #1111	2024-01-15 23:14:43 +00:00
Neil	180d7bf499	Adjust default backoff max to just over 1 hour, add `?maxbackoff=` peer option (#1124 ) Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>	2024-01-15 23:09:07 +00:00
Neil Alexander	9f4c89acad	Update dependencies	2024-01-15 23:00:58 +00:00
Neil Alexander	5da4c1131e	Update ironwood to `ddd1fa6`	2024-01-15 19:07:17 +00:00
Neil Alexander	768278a8e6	Improve `getPeers` sorting	2024-01-11 22:37:05 +00:00
Neil Alexander	1e9a59edf9	Update behaviour in QUIC listener handler	2024-01-05 11:45:20 +00:00
Neil Alexander	3dfa6d0cc9	Validate public key lengths on `debug_` API endpoints (fixes #1113 )	2023-12-03 17:55:12 +00:00
Neil Alexander	6b6cd0bed5	Fix `PPROFLISTEN`	2023-11-28 13:24:54 +00:00