cmd/derper, derp/derphttp: add websocket support

Updates #3157

Change-Id: I337a919a3b350bc7bd9af567b49c4d5d6616abdd
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-10-21 10:12:51 -07:00 committed by Brad Fitzpatrick
parent 0b62f26349
commit 505f844a43
10 changed files with 302 additions and 5 deletions

View File

@ -173,7 +173,9 @@ func main() {
expvar.Publish("derp", s.ExpVar())
mux := http.NewServeMux()
mux.Handle("/derp", derphttp.Handler(s))
derpHandler := derphttp.Handler(s)
derpHandler = addWebSocketSupport(s, derpHandler)
mux.Handle("/derp", derpHandler)
go refreshBootstrapDNSLoop()
mux.HandleFunc("/bootstrap-dns", handleBootstrapDNS)
mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {

52
cmd/derper/websocket.go Normal file
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@ -0,0 +1,52 @@
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bufio"
"expvar"
"log"
"net/http"
"strings"
"nhooyr.io/websocket"
"tailscale.com/derp"
"tailscale.com/derp/wsconn"
)
var counterWebSocketAccepts = expvar.NewInt("derp_websocket_accepts")
// addWebSocketSupport returns a Handle wrapping base that adds WebSocket server support.
func addWebSocketSupport(s *derp.Server, base http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
up := strings.ToLower(r.Header.Get("Upgrade"))
// Very early versions of Tailscale set "Upgrade: WebSocket" but didn't actually
// speak WebSockets (they still assumed DERP's binary framining). So to distinguish
// clients that actually want WebSockets, look for an explicit "derp" subprotocol.
if up != "websocket" || !strings.Contains(r.Header.Get("Sec-Websocket-Protocol"), "derp") {
base.ServeHTTP(w, r)
return
}
c, err := websocket.Accept(w, r, &websocket.AcceptOptions{
Subprotocols: []string{"derp"},
OriginPatterns: []string{"*"},
})
if err != nil {
log.Printf("websocket.Accept: %v", err)
return
}
defer c.Close(websocket.StatusInternalError, "closing")
if c.Subprotocol() != "derp" {
c.Close(websocket.StatusPolicyViolation, "client must speak the derp subprotocol")
return
}
counterWebSocketAccepts.Add(1)
wc := wsconn.New(c)
brw := bufio.NewReadWriter(bufio.NewReader(wc), bufio.NewWriter(wc))
s.Accept(wc, brw, r.RemoteAddr)
})
}

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@ -4,6 +4,7 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
W github.com/alexbrainman/sspi/internal/common from github.com/alexbrainman/sspi/negotiate
W 💣 github.com/alexbrainman/sspi/negotiate from tailscale.com/net/tshttpproxy
github.com/kballard/go-shellquote from tailscale.com/cmd/tailscale/cli
L github.com/klauspost/compress/flate from nhooyr.io/websocket
💣 github.com/mitchellh/go-ps from tailscale.com/cmd/tailscale/cli+
github.com/peterbourgon/ff/v3 from github.com/peterbourgon/ff/v3/ffcli
github.com/peterbourgon/ff/v3/ffcli from tailscale.com/cmd/tailscale/cli
@ -23,6 +24,9 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
go4.org/unsafe/assume-no-moving-gc from go4.org/intern
W 💣 golang.zx2c4.com/wireguard/windows/tunnel/winipcfg from tailscale.com/net/interfaces+
inet.af/netaddr from tailscale.com/cmd/tailscale/cli+
L nhooyr.io/websocket from tailscale.com/derp/derphttp+
L nhooyr.io/websocket/internal/errd from nhooyr.io/websocket
L nhooyr.io/websocket/internal/xsync from nhooyr.io/websocket
tailscale.com/atomicfile from tailscale.com/ipn+
tailscale.com/client/tailscale from tailscale.com/cmd/tailscale/cli+
tailscale.com/client/tailscale/apitype from tailscale.com/client/tailscale+
@ -30,6 +34,7 @@ tailscale.com/cmd/tailscale dependencies: (generated by github.com/tailscale/dep
tailscale.com/control/controlknobs from tailscale.com/net/portmapper
tailscale.com/derp from tailscale.com/derp/derphttp
tailscale.com/derp/derphttp from tailscale.com/net/netcheck
L tailscale.com/derp/wsconn from tailscale.com/derp/derphttp
tailscale.com/disco from tailscale.com/derp
tailscale.com/hostinfo from tailscale.com/net/interfaces
tailscale.com/ipn from tailscale.com/cmd/tailscale/cli+

View File

@ -73,6 +73,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
L 💣 github.com/jsimonetti/rtnetlink from tailscale.com/wgengine/monitor
L github.com/jsimonetti/rtnetlink/internal/unix from github.com/jsimonetti/rtnetlink
github.com/klauspost/compress from github.com/klauspost/compress/zstd
L github.com/klauspost/compress/flate from nhooyr.io/websocket
github.com/klauspost/compress/fse from github.com/klauspost/compress/huff0
github.com/klauspost/compress/huff0 from github.com/klauspost/compress/zstd
github.com/klauspost/compress/internal/snapref from github.com/klauspost/compress/zstd
@ -145,6 +146,9 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
inet.af/netstack/waiter from inet.af/netstack/tcpip+
inet.af/peercred from tailscale.com/ipn/ipnserver
W 💣 inet.af/wf from tailscale.com/wf
L nhooyr.io/websocket from tailscale.com/derp/derphttp+
L nhooyr.io/websocket/internal/errd from nhooyr.io/websocket
L nhooyr.io/websocket/internal/xsync from nhooyr.io/websocket
tailscale.com/atomicfile from tailscale.com/ipn+
LD tailscale.com/chirp from tailscale.com/cmd/tailscaled
tailscale.com/client/tailscale from tailscale.com/derp
@ -153,6 +157,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
tailscale.com/control/controlknobs from tailscale.com/control/controlclient+
tailscale.com/derp from tailscale.com/derp/derphttp+
tailscale.com/derp/derphttp from tailscale.com/cmd/tailscaled+
L tailscale.com/derp/wsconn from tailscale.com/derp/derphttp
tailscale.com/disco from tailscale.com/derp+
tailscale.com/health from tailscale.com/control/controlclient+
tailscale.com/hostinfo from tailscale.com/control/controlclient+
@ -279,7 +284,7 @@ tailscale.com/cmd/tailscaled dependencies: (generated by github.com/tailscale/de
golang.org/x/time/rate from inet.af/netstack/tcpip/stack+
bufio from compress/flate+
bytes from bufio+
compress/flate from compress/gzip
compress/flate from compress/gzip+
compress/gzip from internal/profile+
container/heap from inet.af/netstack/tcpip/transport/tcp
container/list from crypto/tls+

View File

@ -22,6 +22,9 @@
"net"
"net/http"
"net/url"
"os"
"runtime"
"strconv"
"strings"
"sync"
"time"
@ -177,6 +180,20 @@ func (c *Client) urlString(node *tailcfg.DERPNode) string {
return fmt.Sprintf("https://%s/derp", node.HostName)
}
// dialWebsocketFunc is non-nil (set by websocket.go's init) when compiled in.
var dialWebsocketFunc func(ctx context.Context, urlStr string) (net.Conn, error)
func useWebsockets() bool {
if runtime.GOOS == "js" {
return true
}
if dialWebsocketFunc != nil {
v, _ := strconv.ParseBool(os.Getenv("TS_DEBUG_DERP_WS_CLIENT"))
return v
}
return false
}
func (c *Client) connect(ctx context.Context, caller string) (client *derp.Client, connGen int, err error) {
c.mu.Lock()
defer c.mu.Unlock()
@ -229,10 +246,44 @@ func (c *Client) connect(ctx context.Context, caller string) (client *derp.Clien
}()
var node *tailcfg.DERPNode // nil when using c.url to dial
if c.url != nil {
switch {
case useWebsockets():
var urlStr string
if c.url != nil {
urlStr = c.url.String()
} else {
urlStr = c.urlString(reg.Nodes[0])
}
c.logf("%s: connecting websocket to %v", caller, urlStr)
conn, err := dialWebsocketFunc(ctx, urlStr)
if err != nil {
c.logf("%s: websocket to %v error: %v", caller, urlStr, err)
return nil, 0, err
}
brw := bufio.NewReadWriter(bufio.NewReader(conn), bufio.NewWriter(conn))
derpClient, err := derp.NewClient(c.privateKey, conn, brw, c.logf,
derp.MeshKey(c.MeshKey),
derp.CanAckPings(c.canAckPings),
derp.IsProber(c.IsProber),
)
if err != nil {
return nil, 0, err
}
if c.preferred {
if err := derpClient.NotePreferred(true); err != nil {
go conn.Close()
return nil, 0, err
}
}
c.serverPubKey = derpClient.ServerPublicKey()
c.client = derpClient
c.netConn = tcpConn
c.connGen++
return c.client, c.connGen, nil
case c.url != nil:
c.logf("%s: connecting to %v", caller, c.url)
tcpConn, err = c.dialURL(ctx)
} else {
default:
c.logf("%s: connecting to derp-%d (%v)", caller, reg.RegionID, reg.RegionCode)
tcpConn, node, err = c.dialRegion(ctx, reg)
}

View File

@ -8,6 +8,7 @@
"fmt"
"log"
"net/http"
"strings"
"tailscale.com/derp"
)
@ -20,10 +21,13 @@
func Handler(s *derp.Server) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if p := r.Header.Get("Upgrade"); p != "WebSocket" && p != "DERP" {
up := strings.ToLower(r.Header.Get("Upgrade"))
if up != "websocket" && up != "derp" {
log.Printf("Weird upgrade: %q", up)
http.Error(w, "DERP requires connection upgrade", http.StatusUpgradeRequired)
return
}
fastStart := r.Header.Get(fastStartHeader) == "1"
h, ok := w.(http.Hijacker)

View File

@ -0,0 +1,33 @@
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux || js
// +build linux js
package derphttp
import (
"context"
"log"
"net"
"nhooyr.io/websocket"
"tailscale.com/derp/wsconn"
)
func init() {
dialWebsocketFunc = dialWebsocket
}
func dialWebsocket(ctx context.Context, urlStr string) (net.Conn, error) {
c, res, err := websocket.Dial(ctx, urlStr, &websocket.DialOptions{
Subprotocols: []string{"derp"},
})
if err != nil {
log.Printf("websocket Dial: %v, %+v", err, res)
return nil, err
}
log.Printf("websocket: connected to %v", urlStr)
return wsconn.New(c), nil
}

104
derp/wsconn/wsconn.go Normal file
View File

@ -0,0 +1,104 @@
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package wsconn contains an adapter type that turns
// a websocket connection into a net.Conn.
package wsconn
import (
"context"
"net"
"sync"
"time"
"nhooyr.io/websocket"
)
// New returns a net.Conn wrapper around c,
// using c to send and receive binary messages with
// chunks of bytes with no defined framing, effectively
// discarding all WebSocket-level message framing.
func New(c *websocket.Conn) net.Conn {
return &websocketConn{c: c}
}
// websocketConn implements derp.Conn around a *websocket.Conn,
// treating a websocket.Conn as a byte stream, ignoring the WebSocket
// frame/message boundaries.
type websocketConn struct {
c *websocket.Conn
// rextra are extra bytes owned by the reader.
rextra []byte
mu sync.Mutex
rdeadline time.Time
cancelRead context.CancelFunc
}
func (wc *websocketConn) LocalAddr() net.Addr { return addr{} }
func (wc *websocketConn) RemoteAddr() net.Addr { return addr{} }
type addr struct{}
func (addr) Network() string { return "websocket" }
func (addr) String() string { return "websocket" }
func (wc *websocketConn) Read(p []byte) (n int, err error) {
// Drain any leftover from previously.
n = copy(p, wc.rextra)
if n > 0 {
wc.rextra = wc.rextra[n:]
return n, nil
}
var ctx context.Context
var cancel context.CancelFunc
wc.mu.Lock()
if dl := wc.rdeadline; !dl.IsZero() {
ctx, cancel = context.WithDeadline(context.Background(), wc.rdeadline)
} else {
ctx, cancel = context.WithDeadline(context.Background(), time.Now().Add(30*24*time.Hour))
wc.rdeadline = time.Time{}
}
wc.cancelRead = cancel
wc.mu.Unlock()
defer cancel()
_, buf, err := wc.c.Read(ctx)
n = copy(p, buf)
wc.rextra = buf[n:]
return n, err
}
func (wc *websocketConn) Write(p []byte) (n int, err error) {
err = wc.c.Write(context.Background(), websocket.MessageBinary, p)
if err != nil {
return 0, err
}
return len(p), nil
}
func (wc *websocketConn) Close() error { return wc.c.Close(websocket.StatusNormalClosure, "close") }
func (wc *websocketConn) SetDeadline(t time.Time) error {
wc.SetReadDeadline(t)
wc.SetWriteDeadline(t)
return nil
}
func (wc *websocketConn) SetReadDeadline(t time.Time) error {
wc.mu.Lock()
defer wc.mu.Unlock()
if !t.IsZero() && (wc.rdeadline.IsZero() || t.Before(wc.rdeadline)) && wc.cancelRead != nil {
wc.cancelRead()
}
wc.rdeadline = t
return nil
}
func (wc *websocketConn) SetWriteDeadline(t time.Time) error {
return nil
}

1
go.mod
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@ -57,6 +57,7 @@ require (
inet.af/netstack v0.0.0-20210622165351-29b14ebc044e
inet.af/peercred v0.0.0-20210318190834-4259e17bb763
inet.af/wf v0.0.0-20210516214145-a5343001b756
nhooyr.io/websocket v1.8.7
)
require (

40
go.sum
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@ -133,6 +133,10 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
github.com/github/fakeca v0.1.0 h1:Km/MVOFvclqxPM9dZBC4+QE564nU4gz4iZ0D9pMw28I=
github.com/github/fakeca v0.1.0/go.mod h1:+bormgoGMMuamOscx7N91aOuUST7wdaJ2rNjeohylyo=
github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
@ -157,6 +161,13 @@ github.com/go-multierror/multierror v1.0.2/go.mod h1:U7SZR/D9jHgt2nkSj8XcbCWdmVM
github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
github.com/go-ole/go-ole v1.2.6-0.20210915003542-8b1f7f90f6b1 h1:4dntyT+x6QTOSCIrgczbQ+ockAEha0cfxD5Wi0iCzjY=
github.com/go-ole/go-ole v1.2.6-0.20210915003542-8b1f7f90f6b1/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1Vv0sFl1UcHBOY=
github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/go-toolsmith/astcast v1.0.0 h1:JojxlmI6STnFVG9yOImLeGREv8W2ocNUM+iOhR6jE7g=
@ -181,6 +192,12 @@ github.com/go-xmlfmt/xmlfmt v0.0.0-20191208150333-d5b6f63a941b h1:khEcpUM4yFcxg4
github.com/go-xmlfmt/xmlfmt v0.0.0-20191208150333-d5b6f63a941b/go.mod h1:aUCEOzzezBEjDBbFBoSiya/gduyIiWYRP6CnSFIV8AM=
github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee h1:s+21KNqlpePfkah2I+gwHF8xmJWRjooY+5248k6m4A0=
github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22YWvt/FAX9NnzrNzcI4wNYi9Yku4O0LKYflo=
github.com/gobwas/pool v0.2.0 h1:QEmUOlnSjWtnpRGHF3SauEiOsy82Cup83Vf2LcMlnc8=
github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
github.com/gobwas/ws v1.0.2 h1:CoAavW/wd/kulfZmSIBt6p24n4j7tHgNVCjsfHVNUbo=
github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
github.com/godbus/dbus/v5 v5.0.5 h1:9Eg0XUhQxtkV8ykTMKtMMYY72g4NgxtRq4jgh4Ih5YM=
github.com/godbus/dbus/v5 v5.0.5/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/gofrs/flock v0.8.0 h1:MSdYClljsF3PbENUUEx85nkWfJSGfzYI9yEBZOJz6CY=
@ -199,11 +216,14 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/golang/protobuf v1.3.5/go.mod h1:6O5/vntMXwX2lRkT1hjjk0nAC1IDOTvTlVgjlRvqsdk=
github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2 h1:23T5iq8rbUYlhpt5DB4XJkc6BU31uODLD1o1gKvZmD0=
github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2/go.mod h1:k9Qvh+8juN+UKMCS/3jFtGICgW8O96FVaZsaxdzDkR4=
@ -251,6 +271,7 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/goterm v0.0.0-20190703233501-fc88cf888a3f h1:5CjVwnuUcp5adK4gmY6i72gpVFVnZDP2h5TmPScB6u4=
github.com/google/goterm v0.0.0-20190703233501-fc88cf888a3f/go.mod h1:nOFQdrUlIlx6M6ODdSpBj1NVA+VgLC6kmw60mkw34H4=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
@ -274,6 +295,8 @@ github.com/goreleaser/fileglob v0.3.1 h1:OTFDWqUUHjQazk2N5GdUqEbqT/grBnRARaAXsV0
github.com/goreleaser/fileglob v0.3.1/go.mod h1:kNcPrPzjCp+Ox3jmXLU5QEsjhqrtLBm6OnXAif8KRl8=
github.com/goreleaser/nfpm v1.10.3 h1:NzpWKKzSFr7JOn55XN0SskyFOjP6BkvRt3JujoX8fws=
github.com/goreleaser/nfpm v1.10.3/go.mod h1:EEC7YD5wi+ol0MiAshpgPANBOkjXDl7wqTLVk68OBsk=
github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/gostaticanalysis/analysisutil v0.0.0-20190318220348-4088753ea4d3/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
github.com/gostaticanalysis/analysisutil v0.0.3/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
@ -350,6 +373,8 @@ github.com/jsimonetti/rtnetlink v0.0.0-20210212075122-66c871082f2b/go.mod h1:8w9
github.com/jsimonetti/rtnetlink v0.0.0-20210525051524-4cc836578190 h1:iycCSDo8EKVueI9sfVBBJmtNn9DnXV/K1YWwEJO+uOs=
github.com/jsimonetti/rtnetlink v0.0.0-20210525051524-4cc836578190/go.mod h1:NmKSdU4VGSiv1bMsdqNALI4RSvvjtz65tTMCnD05qLo=
github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU=
@ -362,6 +387,7 @@ github.com/kevinburke/ssh_config v0.0.0-20201106050909-4977a11b4351/go.mod h1:CT
github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q=
github.com/kisielk/gotool v1.0.0 h1:AV2c/EiW3KqPNT9ZKl07ehoAGi4C5/01Cfbblndcapg=
github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.10.7/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.11.0/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYsUV+/s2qKfXs=
github.com/klauspost/compress v1.13.6 h1:P76CopJELS0TiO2mebmnzgWaajssP/EszplttgQxcgc=
@ -383,6 +409,8 @@ github.com/kunwardeep/paralleltest v1.0.2 h1:/jJRv0TiqPoEy/Y8dQxCFJhD56uS/pnvtat
github.com/kunwardeep/paralleltest v1.0.2/go.mod h1:ZPqNm1fVHPllh5LPVujzbVz1JN2GhLxSfY+oqUsvG30=
github.com/kyoh86/exportloopref v0.1.8 h1:5Ry/at+eFdkX9Vsdw3qU4YkvGtzuVfzT4X7S77LoN/M=
github.com/kyoh86/exportloopref v0.1.8/go.mod h1:1tUcJeiioIs7VWe5gcOObrux3lb66+sBqGZrRkMwPgg=
github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
github.com/logrusorgru/aurora v0.0.0-20181002194514-a7b3b318ed4e/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
github.com/lxn/walk v0.0.0-20210112085537-c389da54e794/go.mod h1:E23UucZGqpuUANJooIbHWCufXvOcT6E7Stq81gU+CSQ=
@ -453,7 +481,11 @@ github.com/mitchellh/mapstructure v1.4.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
github.com/mitchellh/reflectwalk v1.0.1 h1:FVzMWA5RllMAKIdUSC8mdWo3XtwoecrH79BY70sEEpE=
github.com/mitchellh/reflectwalk v1.0.1/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
github.com/moricho/tparallel v0.2.1 h1:95FytivzT6rYzdJLdtfn6m1bfFJylOJK41+lgv/EHf4=
github.com/moricho/tparallel v0.2.1/go.mod h1:fXEIZxG2vdfl0ZF8b42f5a78EhjjD5mX8qUplsoSU4k=
@ -632,6 +664,10 @@ github.com/toqueteos/webbrowser v1.2.0 h1:tVP/gpK69Fx+qMJKsLE7TD8LuGWPnEV71wBN9r
github.com/toqueteos/webbrowser v1.2.0/go.mod h1:XWoZq4cyp9WeUeak7w7LXRUQf1F1ATJMir8RTqb4ayM=
github.com/u-root/uio v0.0.0-20210528114334-82958018845c h1:BFvcl34IGnw8yvJi8hlqLFo9EshRInwWBs2M5fGWzQA=
github.com/u-root/uio v0.0.0-20210528114334-82958018845c/go.mod h1:LpEX5FO/cB+WF4TYGY1V5qktpaZLkKkSegbr0V4eYXA=
github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo=
github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
github.com/ulikunitz/xz v0.5.7/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
github.com/ulikunitz/xz v0.5.10 h1:t92gobL9l3HE202wg3rlk19F6X+JOxl9BBrCCMYEYd8=
github.com/ulikunitz/xz v0.5.10/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
@ -850,6 +886,7 @@ golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/time v0.0.0-20210611083556-38a9dc6acbc6 h1:Vv0JUPWTyeqUq42B2WJ1FeIDjjvGKoA2Ss+Ts0lAVbs=
golang.org/x/time v0.0.0-20210611083556-38a9dc6acbc6/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@ -950,6 +987,7 @@ google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@ -1006,6 +1044,8 @@ mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b h1:DxJ5nJdkhDlLok9K6qO+5290kphD
mvdan.cc/lint v0.0.0-20170908181259-adc824a0674b/go.mod h1:2odslEg/xrtNQqCYg2/jCoyKnw3vv5biOc3JnIcYfL4=
mvdan.cc/unparam v0.0.0-20200501210554-b37ab49443f7 h1:kAREL6MPwpsk1/PQPFD3Eg7WAQR5mPTWZJaBiG5LDbY=
mvdan.cc/unparam v0.0.0-20200501210554-b37ab49443f7/go.mod h1:HGC5lll35J70Y5v7vCGb9oLhHoScFwkHDJm/05RdSTc=
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=
software.sslmate.com/src/go-pkcs12 v0.0.0-20180114231543-2291e8f0f237 h1:iAEkCBPbRaflBgZ7o9gjVUuWuvWeV4sytFWg9o+Pj2k=
software.sslmate.com/src/go-pkcs12 v0.0.0-20180114231543-2291e8f0f237/go.mod h1:/xvNRWUqm0+/ZMiF4EX00vrSCMsE4/NHb+Pt3freEeQ=