AUTH-2394 added socks5 proxy

This commit is contained in:
Dalton 2020-03-31 09:56:22 -05:00
parent 710f66b0bb
commit a37da2b165
54 changed files with 2509 additions and 593 deletions

View File

@ -11,9 +11,7 @@ import (
"strings"
"github.com/cloudflare/cloudflared/cmd/cloudflared/token"
cloudflaredWebsocket "github.com/cloudflare/cloudflared/websocket"
"github.com/gorilla/websocket"
"github.com/sirupsen/logrus"
"github.com/pkg/errors"
)
type StartOptions struct {
@ -21,6 +19,15 @@ type StartOptions struct {
Headers http.Header
}
// Connection wraps up all the needed functions to forward over the tunnel
type Connection interface {
// ServeStream is used to forward data from the client to the edge
ServeStream(*StartOptions, io.ReadWriter) error
// StartServer is used to listen for incoming connections from the edge to the origin
StartServer(net.Listener, string, <-chan struct{}) error
}
// StdinoutStream is empty struct for wrapping stdin/stdout
// into a single ReadWriter
type StdinoutStream struct {
@ -44,29 +51,27 @@ func closeRespBody(resp *http.Response) {
}
}
// StartClient will copy the data from stdin/stdout over a WebSocket connection
// to the edge (originURL)
func StartClient(logger *logrus.Logger, stream io.ReadWriter, options *StartOptions) error {
return serveStream(logger, stream, options)
}
// StartServer will setup a listener on a specified address/port and then
// StartForwarder will setup a listener on a specified address/port and then
// forward connections to the origin by calling `Serve()`.
func StartServer(logger *logrus.Logger, address string, shutdownC <-chan struct{}, options *StartOptions) error {
func StartForwarder(conn Connection, address string, shutdownC <-chan struct{}, options *StartOptions) error {
listener, err := net.Listen("tcp", address)
if err != nil {
logger.WithError(err).Error("failed to start forwarding server")
return err
return errors.Wrap(err, "failed to start forwarding server")
}
logger.Info("Started listening on ", address)
return Serve(logger, listener, shutdownC, options)
return Serve(conn, listener, shutdownC, options)
}
// StartClient will copy the data from stdin/stdout over a WebSocket connection
// to the edge (originURL)
func StartClient(conn Connection, stream io.ReadWriter, options *StartOptions) error {
return serveStream(conn, stream, options)
}
// Serve accepts incoming connections on the specified net.Listener.
// Each connection is handled in a new goroutine: its data is copied over a
// WebSocket connection to the edge (originURL).
// `Serve` always closes `listener`.
func Serve(logger *logrus.Logger, listener net.Listener, shutdownC <-chan struct{}, options *StartOptions) error {
func Serve(remoteConn Connection, listener net.Listener, shutdownC <-chan struct{}, options *StartOptions) error {
defer listener.Close()
for {
select {
@ -77,53 +82,20 @@ func Serve(logger *logrus.Logger, listener net.Listener, shutdownC <-chan struct
if err != nil {
return err
}
go serveConnection(logger, conn, options)
go serveConnection(remoteConn, conn, options)
}
}
}
// serveConnection handles connections for the Serve() call
func serveConnection(logger *logrus.Logger, c net.Conn, options *StartOptions) {
func serveConnection(remoteConn Connection, c net.Conn, options *StartOptions) {
defer c.Close()
serveStream(logger, c, options)
serveStream(remoteConn, c, options)
}
// serveStream will serve the data over the WebSocket stream
func serveStream(logger *logrus.Logger, conn io.ReadWriter, options *StartOptions) error {
wsConn, err := createWebsocketStream(options)
if err != nil {
logger.WithError(err).Errorf("failed to connect to %s\n", options.OriginURL)
return err
}
defer wsConn.Close()
cloudflaredWebsocket.Stream(wsConn, conn)
return nil
}
// createWebsocketStream will create a WebSocket connection to stream data over
// It also handles redirects from Access and will present that flow if
// the token is not present on the request
func createWebsocketStream(options *StartOptions) (*cloudflaredWebsocket.Conn, error) {
req, err := http.NewRequest(http.MethodGet, options.OriginURL, nil)
if err != nil {
return nil, err
}
req.Header = options.Headers
wsConn, resp, err := cloudflaredWebsocket.ClientConnect(req, nil)
defer closeRespBody(resp)
if err != nil && IsAccessResponse(resp) {
wsConn, err = createAccessAuthenticatedStream(options)
if err != nil {
return nil, err
}
} else if err != nil {
return nil, err
}
return &cloudflaredWebsocket.Conn{Conn: wsConn}, nil
func serveStream(remoteConn Connection, conn io.ReadWriter, options *StartOptions) error {
return remoteConn.ServeStream(options, conn)
}
// IsAccessResponse checks the http Response to see if the url location
@ -144,49 +116,7 @@ func IsAccessResponse(resp *http.Response) bool {
return false
}
// createAccessAuthenticatedStream will try load a token from storage and make
// a connection with the token set on the request. If it still get redirect,
// this probably means the token in storage is invalid (expired/revoked). If that
// happens it deletes the token and runs the connection again, so the user can
// login again and generate a new one.
func createAccessAuthenticatedStream(options *StartOptions) (*websocket.Conn, error) {
wsConn, resp, err := createAccessWebSocketStream(options)
defer closeRespBody(resp)
if err == nil {
return wsConn, nil
}
if !IsAccessResponse(resp) {
return nil, err
}
// Access Token is invalid for some reason. Go through regen flow
originReq, err := http.NewRequest(http.MethodGet, options.OriginURL, nil)
if err != nil {
return nil, err
}
if err := token.RemoveTokenIfExists(originReq.URL); err != nil {
return nil, err
}
wsConn, resp, err = createAccessWebSocketStream(options)
defer closeRespBody(resp)
if err != nil {
return nil, err
}
return wsConn, nil
}
// createAccessWebSocketStream builds an Access request and makes a connection
func createAccessWebSocketStream(options *StartOptions) (*websocket.Conn, *http.Response, error) {
req, err := BuildAccessRequest(options)
if err != nil {
return nil, nil, err
}
return cloudflaredWebsocket.ClientConnect(req, nil)
}
// buildAccessRequest builds an HTTP request with the Access token set
// BuildAccessRequest builds an HTTP request with the Access token set
func BuildAccessRequest(options *StartOptions) (*http.Request, error) {
req, err := http.NewRequest(http.MethodGet, options.OriginURL, nil)
if err != nil {

View File

@ -44,6 +44,7 @@ func (s *testStreamer) Write(p []byte) (int, error) {
func TestStartClient(t *testing.T) {
message := "Good morning Austin! Time for another sunny day in the great state of Texas."
logger := logrus.New()
wsConn := NewWSConnection(logger, false)
ts := newTestWebSocketServer()
defer ts.Close()
@ -52,7 +53,7 @@ func TestStartClient(t *testing.T) {
OriginURL: "http://" + ts.Listener.Addr().String(),
Headers: nil,
}
err := StartClient(logger, buf, options)
err := StartClient(wsConn, buf, options)
assert.NoError(t, err)
buf.Write([]byte(message))
@ -69,6 +70,7 @@ func TestStartServer(t *testing.T) {
message := "Good morning Austin! Time for another sunny day in the great state of Texas."
logger := logrus.New()
shutdownC := make(chan struct{})
wsConn := NewWSConnection(logger, false)
ts := newTestWebSocketServer()
defer ts.Close()
options := &StartOptions{
@ -77,7 +79,7 @@ func TestStartServer(t *testing.T) {
}
go func() {
err := Serve(logger, listener, shutdownC, options)
err := Serve(wsConn, listener, shutdownC, options)
if err != nil {
t.Fatalf("Error running server: %v", err)
}

137
carrier/websocket.go Normal file
View File

@ -0,0 +1,137 @@
package carrier
import (
"fmt"
"io"
"net"
"net/http"
"github.com/cloudflare/cloudflared/cmd/cloudflared/token"
"github.com/cloudflare/cloudflared/socks"
cfwebsocket "github.com/cloudflare/cloudflared/websocket"
"github.com/gorilla/websocket"
"github.com/sirupsen/logrus"
)
// Websocket is used to carry data via WS binary frames over the tunnel from client to the origin
// This implements the functions for glider proxy (sock5) and the carrier interface
type Websocket struct {
logger *logrus.Logger
isSocks bool
}
type wsdialer struct {
conn *cfwebsocket.Conn
}
func (d *wsdialer) Dial(address string) (io.ReadWriteCloser, *socks.AddrSpec, error) {
local, ok := d.conn.LocalAddr().(*net.TCPAddr)
if !ok {
return nil, nil, fmt.Errorf("not a tcp connection")
}
addr := socks.AddrSpec{IP: local.IP, Port: local.Port}
return d.conn, &addr, nil
}
// NewWSConnection returns a new connection object
func NewWSConnection(logger *logrus.Logger, isSocks bool) Connection {
return &Websocket{
logger: logger,
isSocks: isSocks,
}
}
// ServeStream will create a Websocket client stream connection to the edge
// it blocks and writes the raw data from conn over the tunnel
func (ws *Websocket) ServeStream(options *StartOptions, conn io.ReadWriter) error {
wsConn, err := createWebsocketStream(options)
if err != nil {
ws.logger.WithError(err).Errorf("failed to connect to %s", options.OriginURL)
return err
}
defer wsConn.Close()
if ws.isSocks {
dialer := &wsdialer{conn: wsConn}
requestHandler := socks.NewRequestHandler(dialer)
socksServer := socks.NewConnectionHandler(requestHandler)
socksServer.Serve(conn)
} else {
cfwebsocket.Stream(wsConn, conn)
}
return nil
}
// StartServer creates a Websocket server to listen for connections.
// This is used on the origin (tunnel) side to take data from the muxer and send it to the origin
func (ws *Websocket) StartServer(listener net.Listener, remote string, shutdownC <-chan struct{}) error {
return cfwebsocket.StartProxyServer(ws.logger, listener, remote, shutdownC, cfwebsocket.DefaultStreamHandler)
}
// createWebsocketStream will create a WebSocket connection to stream data over
// It also handles redirects from Access and will present that flow if
// the token is not present on the request
func createWebsocketStream(options *StartOptions) (*cfwebsocket.Conn, error) {
req, err := http.NewRequest(http.MethodGet, options.OriginURL, nil)
if err != nil {
return nil, err
}
req.Header = options.Headers
wsConn, resp, err := cfwebsocket.ClientConnect(req, nil)
defer closeRespBody(resp)
if err != nil && IsAccessResponse(resp) {
wsConn, err = createAccessAuthenticatedStream(options)
if err != nil {
return nil, err
}
} else if err != nil {
return nil, err
}
return &cfwebsocket.Conn{Conn: wsConn}, nil
}
// createAccessAuthenticatedStream will try load a token from storage and make
// a connection with the token set on the request. If it still get redirect,
// this probably means the token in storage is invalid (expired/revoked). If that
// happens it deletes the token and runs the connection again, so the user can
// login again and generate a new one.
func createAccessAuthenticatedStream(options *StartOptions) (*websocket.Conn, error) {
wsConn, resp, err := createAccessWebSocketStream(options)
defer closeRespBody(resp)
if err == nil {
return wsConn, nil
}
if !IsAccessResponse(resp) {
return nil, err
}
// Access Token is invalid for some reason. Go through regen flow
originReq, err := http.NewRequest(http.MethodGet, options.OriginURL, nil)
if err != nil {
return nil, err
}
if err := token.RemoveTokenIfExists(originReq.URL); err != nil {
return nil, err
}
wsConn, resp, err = createAccessWebSocketStream(options)
defer closeRespBody(resp)
if err != nil {
return nil, err
}
return wsConn, nil
}
// createAccessWebSocketStream builds an Access request and makes a connection
func createAccessWebSocketStream(options *StartOptions) (*websocket.Conn, *http.Response, error) {
req, err := BuildAccessRequest(options)
if err != nil {
return nil, nil, err
}
return cfwebsocket.ClientConnect(req, nil)
}

View File

@ -44,6 +44,9 @@ func ssh(c *cli.Context) error {
Headers: headers,
}
// we could add a cmd line variable for this bool if we want the SOCK5 server to be on the client side
wsConn := carrier.NewWSConnection(logger, false)
if c.NArg() > 0 || c.IsSet(sshURLFlag) {
localForwarder, err := config.ValidateUrl(c)
if err != nil {
@ -55,10 +58,12 @@ func ssh(c *cli.Context) error {
logger.WithError(err).Error("Error validating origin URL")
return errors.Wrap(err, "error validating origin URL")
}
return carrier.StartServer(logger, forwarder.Host, shutdownC, options)
logger.Infof("Start Websocket listener on: %s", forwarder.Host)
return carrier.StartForwarder(wsConn, forwarder.Host, shutdownC, options)
}
return carrier.StartClient(logger, &carrier.StdinoutStream{}, options)
return carrier.StartClient(wsConn, &carrier.StdinoutStream{}, options)
}
func buildRequestHeaders(values []string) http.Header {

View File

@ -24,6 +24,7 @@ import (
"github.com/cloudflare/cloudflared/metrics"
"github.com/cloudflare/cloudflared/origin"
"github.com/cloudflare/cloudflared/signal"
"github.com/cloudflare/cloudflared/socks"
"github.com/cloudflare/cloudflared/sshlog"
"github.com/cloudflare/cloudflared/sshserver"
"github.com/cloudflare/cloudflared/supervisor"
@ -77,6 +78,9 @@ const (
// hostKeyPath is the path of the dir to save SSH host keys too
hostKeyPath = "host-key-path"
// socks5Flag is to enable the socks server to deframe
socks5Flag = "socks5"
noIntentMsg = "The --intent argument is required. Cloudflared looks up an Intent to determine what configuration to use (i.e. which tunnels to start). If you don't have any Intents yet, you can use a placeholder Intent Label for now. Then, when you make an Intent with that label, cloudflared will get notified and open the tunnels you specified in that Intent."
)
@ -390,7 +394,18 @@ func StartServer(c *cli.Context, version string, shutdownC, graceShutdownC chan
wg.Add(1)
go func() {
defer wg.Done()
errC <- websocket.StartProxyServer(logger, listener, host, shutdownC)
streamHandler := websocket.DefaultStreamHandler
if c.IsSet(socks5Flag) {
logger.Info("SOCKS5 server started")
streamHandler = func(wsConn *websocket.Conn, remoteConn net.Conn) {
dialer := socks.NewConnDialer(remoteConn)
requestHandler := socks.NewRequestHandler(dialer)
socksServer := socks.NewConnectionHandler(requestHandler)
socksServer.Serve(wsConn)
}
}
errC <- websocket.StartProxyServer(logger, listener, host, shutdownC, streamHandler)
}()
c.Set("url", "http://"+listener.Addr().String())
}
@ -1074,6 +1089,13 @@ func tunnelFlags(shouldHide bool) []cli.Flag {
Hidden: true,
Value: false,
}),
altsrc.NewBoolFlag(&cli.BoolFlag{
Name: socks5Flag,
Usage: "specify if this tunnel is running as a SOCK5 Server",
EnvVars: []string{"TUNNEL_SOCKS"},
Value: false,
Hidden: false,
}),
}
}

11
go.mod
View File

@ -25,14 +25,15 @@ require (
github.com/gliderlabs/ssh v0.0.0-20191009160644-63518b5243e0
github.com/go-sql-driver/mysql v1.4.1
github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
github.com/google/certificate-transparency-go v1.1.0 // indirect
github.com/google/uuid v1.1.1
github.com/gorilla/mux v1.7.3
github.com/gorilla/websocket v1.4.0
github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
github.com/jmoiron/sqlx v1.2.0
github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/kshvakov/clickhouse v1.3.11
github.com/kylelemons/godebug v1.1.0 // indirect
github.com/lib/pq v1.2.0
github.com/mattn/go-colorable v0.1.4
github.com/mattn/go-isatty v0.0.10 // indirect
@ -54,11 +55,15 @@ require (
github.com/tinylib/msgp v1.1.0 // indirect
github.com/xo/dburl v0.0.0-20191005012637-293c3298d6c0
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
golang.org/x/net v0.0.0-20191007182048-72f939374954
golang.org/x/net v0.0.0-20191014212845-da9a3fd4c582
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 // indirect
golang.org/x/sync v0.0.0-20190423024810-112230192c58
golang.org/x/sys v0.0.0-20191008105621-543471e840be
golang.org/x/sys v0.0.0-20191020212454-3e7259c5e7c2
golang.org/x/text v0.3.2 // indirect
google.golang.org/appengine v1.5.0 // indirect
google.golang.org/genproto v0.0.0-20191007204434-a023cd5227bd // indirect
google.golang.org/grpc v1.24.0 // indirect
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
gopkg.in/coreos/go-oidc.v2 v2.1.0
gopkg.in/square/go-jose.v2 v2.4.0 // indirect
gopkg.in/urfave/cli.v2 v2.0.0-20180128181224-d604b6ffeee8

238
go.sum
View File

@ -1,28 +1,19 @@
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=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
contrib.go.opencensus.io/exporter/stackdriver v0.12.1/go.mod h1:iwB6wGarfphGGe/e5CWqyUk/cLzKnWsOKPVW3no6OTw=
contrib.go.opencensus.io/resource v0.1.1/go.mod h1:F361eGI91LCmW1I/Saf+rX0+OFcigGlFvXwEGEnkRLA=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
github.com/OpenPeeDeeP/depguard v1.0.0/go.mod h1:7/4sitnI9YlQgTLLk734QlzXT8DuHVnAyztLplQjk+o=
github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239 h1:kFOfPq6dUM1hTo4JG6LR5AXSUEsOjtdm0kw0FtQtMJA=
github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
github.com/aws/aws-sdk-go v1.19.18/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go v1.25.8 h1:n7I+HUUXjun2CsX7JK+1hpRIkZrlKhd3nayeb+Xmavs=
github.com/aws/aws-sdk-go v1.25.8/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/bkaradzic/go-lz4 v1.0.0 h1:RXc4wYsyz985CkXXeX04y4VnZFGG8Rd43pRaHsOXAKk=
github.com/bkaradzic/go-lz4 v1.0.0/go.mod h1:0YdlkowM3VswSROI7qDxhRvJ3sLhlFrRRwjwegp5jy4=
github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/certifi/gocertifi v0.0.0-20180118203423-deb3ae2ef261 h1:6/yVvBsKeAw05IUj4AzvrxaCnDjN4nUqKjW9+w5wixg=
github.com/certifi/gocertifi v0.0.0-20180118203423-deb3ae2ef261/go.mod h1:GJKEexRPVJrBSOjoqN5VNOIKJ5Q3RViH6eu3puDRwx4=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
@ -34,26 +25,15 @@ github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58 h1:F1EaeKL/ta07PY
github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58/go.mod h1:EOBUe0h4xcZ5GoxqC5SDxFQ8gwyZPKQoEzownBlhI80=
github.com/coredns/coredns v1.2.0 h1:YEI38K2BJYzL/SxO2tZFD727T/C68DqVWkBQjT0sWPU=
github.com/coredns/coredns v1.2.0/go.mod h1:zASH/MVDgR6XZTbxvOnsZfffS+31vg6Ackf/wo1+AM0=
github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
github.com/coreos/go-oidc v0.0.0-20171002155002-a93f71fdfe73 h1:7CNPV0LWRCa1FNmqg700pbXhzvmoaXKyfxWRkjRym7Q=
github.com/coreos/go-oidc v0.0.0-20171002155002-a93f71fdfe73/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190620071333-e64a0ec8b42a h1:W8b4lQ4tFF21aspRGoBuCNV6V2fFJBF+pm1J6OY8Lys=
github.com/coreos/go-systemd v0.0.0-20190620071333-e64a0ec8b42a/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/denisenkom/go-mssqldb v0.0.0-20191001013358-cfbb681360f0 h1:epsH3lb7KVbXHYk7LYGN5EiE0MxcevHU85CKITJ0wUY=
github.com/denisenkom/go-mssqldb v0.0.0-20191001013358-cfbb681360f0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/equinox-io/equinox v1.2.0 h1:bBS7Ou+Y7Jwgmy8TWSYxEh85WctuFn7FPlgbUzX4DBA=
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@ -66,178 +46,80 @@ github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 h1:JWuenKqqX8nojt
github.com/facebookgo/stack v0.0.0-20160209184415-751773369052/go.mod h1:UbMTZqLaRiH3MsBH8va0n7s1pQYcu3uTb8G4tygF4Zg=
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github.com/fatih/color v1.6.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 h1:BHsljHzVlRcyQhjrss6TZTdY2VfCqZPbv5k3iBFa2ZQ=
github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
github.com/getsentry/raven-go v0.0.0-20180517221441-ed7bcb39ff10 h1:YO10pIIBftO/kkTFdWhctH96grJ7qiy7bMdiZcIvPKs=
github.com/getsentry/raven-go v0.0.0-20180517221441-ed7bcb39ff10/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
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github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/monologue v0.0.0-20190606152607-4b11a32b5934/go.mod h1:6NTfaQoUpg5QmPsCUWLR3ig33FHrKXhTtWzF0DVdmuk=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/trillian v1.2.2-0.20190612132142-05461f4df60a/go.mod h1:YPmUVn5NGwgnDUgqlVyFGMTgaWlnSvH7W5p+NdOG8UA=
github.com/google/trillian-examples v0.0.0-20190603134952-4e75ba15216c/go.mod h1:WgL3XZ3pA8/9cm7yxqWrZE6iZkESB2ItGxy5Fo6k2lk=
github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw=
github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs=
github.com/gorilla/websocket v1.2.0 h1:VJtLvh6VQym50czpZzx07z/kw9EgAxI3x1ZB8taTMQQ=
github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
github.com/gostaticanalysis/analysisutil v0.0.0-20190318220348-4088753ea4d3/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 h1:MJG/KsmcqMwFAkh8mTnAwhyKoB+sTAnY4CACC110tbU=
github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645/go.mod h1:6iZfnjpejD4L/4DwD7NryNaJyCQdzwWwH2MWhCA90Kw=
github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
github.com/hashicorp/hcl v0.0.0-20180404174102-ef8a98b0bbce/go.mod h1:oZtUIOe8dh44I2q6ScRibXws4Ajl+d+nod3AaR9vL5w=
github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af h1:pmfjZENx5imkbgOkpRUYLnmbU7UEFbjtDA2hxJ1ichM=
github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=
github.com/jmoiron/sqlx v1.2.0 h1:41Ip0zITnmWNR/vHV+S4m+VoUivnWY5E4OJfLZjCJMA=
github.com/jmoiron/sqlx v1.2.0/go.mod h1:1FEQNm3xlJgrMD+FBdI9+xvCksHtbpVBBw5dYhBSsks=
github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
github.com/juju/ratelimit v1.0.1/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
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@ -257,199 +139,95 @@ github.com/prometheus/common v0.7.0 h1:L+1lyG48J1zAQXA3RBX/nG/B3gjlHq0zTt2tlbJLy
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github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
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github.com/timakin/bodyclose v0.0.0-20190721030226-87058b9bfcec/go.mod h1:Qimiffbc6q9tBWlVV6x0P9sat/ao1xEkREYPPj9hphk=
github.com/tinylib/msgp v1.1.0 h1:9fQd+ICuRIu/ue4vxJZu6/LzxN0HwMds2nq/0cFvxHU=
github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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github.com/ultraware/funlen v0.0.1/go.mod h1:Dp4UiAus7Wdb9KUZsYWZEWiRzGuM2kXM1lPbfaF6xhA=
github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
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go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.etcd.io/etcd v3.3.13+incompatible/go.mod h1:yaeTdrJi5lOmYerz05bd8+V7KubZs8YSFZfzsF9A6aI=
go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc h1:c0o/qxkaO2LF5t6fQrT4b5hzyggAkLLlCUjqfRxd8Q4=
golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550 h1:ObdrDkeb4kJdCP557AjRjq69pTHfNouLtWZG7j9rPN8=
golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20191014212845-da9a3fd4c582/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
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=
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golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20191008105621-543471e840be h1:QAcqgptGM8IQBC9K/RC4o+O9YmqEm0diQn9QmZw/0mU=
golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.0.0-20170915090833-1cbadb444a80/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/sys v0.0.0-20191020212454-3e7259c5e7c2 h1:nq114VpM8lsSlP+lyUbANecYHYiFcSNFtqcBlxRV+gA=
golang.org/x/sys v0.0.0-20191020212454-3e7259c5e7c2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190521203540-521d6ed310dd/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190909030654-5b82db07426d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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google.golang.org/genproto v0.0.0-20191007204434-a023cd5227bd/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
google.golang.org/grpc v1.24.0 h1:vb/1TCsVn3DcJlQ0Gs1yB1pKI6Do2/QNwxdKqmc/b0s=
google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/cheggaaa/pb.v1 v1.0.28/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
gopkg.in/coreos/go-oidc.v2 v2.1.0 h1:E8PjVFdj/SLDKB0hvb70KTbMbYVHjqztiQdSkIg8E+I=
gopkg.in/coreos/go-oidc.v2 v2.1.0/go.mod h1:fYaTe2FS96wZZwR17YTDHwG+Mw6fmyqJNxN2eNCGPCI=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/square/go-jose.v2 v2.4.0 h1:0kXPskUMGAXXWJlP05ktEMOV0vmzFQUWw6d+aZJQU8A=
gopkg.in/square/go-jose.v2 v2.4.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/urfave/cli.v2 v2.0.0-20180128181224-d604b6ffeee8 h1:/pLAskKF+d5SawboKd8GB8ew4ClHDbt2c3K9EBFeRGU=
gopkg.in/urfave/cli.v2 v2.0.0-20180128181224-d604b6ffeee8/go.mod h1:cKXr3E0k4aosgycml1b5z33BVV6hai1Kh7uDgFOkbcs=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.4 h1:/eiJrUcujPVeJ3xlSWaiNi3uSVmDGBK1pDHUHAnao1I=
gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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 v0.0.0-20190209190245-fbb59629db34/go.mod h1:H6SUd1XjIs+qQCyskXg5OFSrilMRUkD8ePJpHKDPaeY=
sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=
zombiezen.com/go/capnproto2 v0.0.0-20180616160808-7cfd211c19c7 h1:CZoOFlTPbKfAShKYrMuUfYbnXexFT1rYRUX1SPnrdE4=
zombiezen.com/go/capnproto2 v0.0.0-20180616160808-7cfd211c19c7/go.mod h1:TMGa8HWGJkXiq4nHe9Zu/JgRF5oUtg4XizFC+Vexbec=

View File

@ -660,6 +660,7 @@ func (h *TunnelHandler) serveWebsocket(stream *h2mux.MuxedStream, req *http.Requ
// Copy to/from stream to the undelying connection. Use the underlying
// connection because cloudflared doesn't operate on the message themselves
websocket.Stream(conn.UnderlyingConn(), stream)
return response, nil
}

View File

@ -105,7 +105,7 @@ func NewWebSocketService(tlsConfig *tls.Config, url *url.URL) (OriginService, er
}
shutdownC := make(chan struct{})
go func() {
websocket.StartProxyServer(log.CreateLogger(), listener, url.String(), shutdownC)
websocket.StartProxyServer(log.CreateLogger(), listener, url.String(), shutdownC, websocket.DefaultStreamHandler)
}()
return &WebsocketService{
tlsConfig: tlsConfig,

77
socks/auth_handler.go Normal file
View File

@ -0,0 +1,77 @@
package socks
import (
"fmt"
"io"
)
const (
// NoAuth means no authentication is used when connecting
NoAuth = uint8(0)
// UserPassAuth means a user/password is used when connecting
UserPassAuth = uint8(2)
noAcceptable = uint8(255)
userAuthVersion = uint8(1)
authSuccess = uint8(0)
authFailure = uint8(1)
)
// AuthHandler handles socks authenication requests
type AuthHandler interface {
Handle(io.Reader, io.Writer) error
Register(uint8, Authenticator)
}
// StandardAuthHandler loads the default authenticators
type StandardAuthHandler struct {
authenticators map[uint8]Authenticator
}
// NewAuthHandler creates a default auth handler
func NewAuthHandler() AuthHandler {
defaults := make(map[uint8]Authenticator)
defaults[NoAuth] = NewNoAuthAuthenticator()
return &StandardAuthHandler{
authenticators: defaults,
}
}
// Register adds/replaces an Authenticator to use when handling Authentication requests
func (h *StandardAuthHandler) Register(method uint8, a Authenticator) {
h.authenticators[method] = a
}
// Handle gets the methods from the SOCKS5 client and authenicates with the first supported method
func (h *StandardAuthHandler) Handle(bufConn io.Reader, conn io.Writer) error {
methods, err := readMethods(bufConn)
if err != nil {
return fmt.Errorf("Failed to read auth methods: %v", err)
}
// first supported method is used
for _, method := range methods {
authenticator := h.authenticators[method]
if authenticator != nil {
return authenticator.Handle(bufConn, conn)
}
}
// failed to authenticate. No supported authentication type found
conn.Write([]byte{socks5Version, noAcceptable})
return fmt.Errorf("unknown authentication type")
}
// readMethods is used to read the number and type of methods
func readMethods(r io.Reader) ([]byte, error) {
header := []byte{0}
if _, err := r.Read(header); err != nil {
return nil, err
}
numMethods := int(header[0])
methods := make([]byte, numMethods)
_, err := io.ReadAtLeast(r, methods, numMethods)
return methods, err
}

87
socks/authenticator.go Normal file
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@ -0,0 +1,87 @@
package socks
import (
"fmt"
"io"
)
// Authenticator is the connection passed in as a reader/writer to support different authentication types
type Authenticator interface {
Handle(io.Reader, io.Writer) error
}
// NoAuthAuthenticator is used to handle the No Authentication mode
type NoAuthAuthenticator struct{}
// NewNoAuthAuthenticator creates a authless Authenticator
func NewNoAuthAuthenticator() Authenticator {
return &NoAuthAuthenticator{}
}
// Handle writes back the version and NoAuth
func (a *NoAuthAuthenticator) Handle(reader io.Reader, writer io.Writer) error {
_, err := writer.Write([]byte{socks5Version, NoAuth})
return err
}
// UserPassAuthAuthenticator is used to handle the user/password mode
type UserPassAuthAuthenticator struct {
IsValid func(string, string) bool
}
// NewUserPassAuthAuthenticator creates a new username/password validator Authenticator
func NewUserPassAuthAuthenticator(isValid func(string, string) bool) Authenticator {
return &UserPassAuthAuthenticator{
IsValid: isValid,
}
}
// Handle writes back the version and NoAuth
func (a *UserPassAuthAuthenticator) Handle(reader io.Reader, writer io.Writer) error {
if _, err := writer.Write([]byte{socks5Version, UserPassAuth}); err != nil {
return err
}
// Get the version and username length
header := []byte{0, 0}
if _, err := io.ReadAtLeast(reader, header, 2); err != nil {
return err
}
// Ensure compatibility. Someone call E-harmony
if header[0] != userAuthVersion {
return fmt.Errorf("Unsupported auth version: %v", header[0])
}
// Get the user name
userLen := int(header[1])
user := make([]byte, userLen)
if _, err := io.ReadAtLeast(reader, user, userLen); err != nil {
return err
}
// Get the password length
if _, err := reader.Read(header[:1]); err != nil {
return err
}
// Get the password
passLen := int(header[0])
pass := make([]byte, passLen)
if _, err := io.ReadAtLeast(reader, pass, passLen); err != nil {
return err
}
// Verify the password
if a.IsValid(string(user), string(pass)) {
_, err := writer.Write([]byte{userAuthVersion, authSuccess})
return err
}
// password failed. Write back failure
if _, err := writer.Write([]byte{userAuthVersion, authFailure}); err != nil {
return err
}
return fmt.Errorf("User authentication failed")
}

View File

@ -0,0 +1,57 @@
package socks
import (
"bufio"
"fmt"
"io"
)
// ConnectionHandler is the Serve method to handle connections
// from a local TCP listener of the standard library (net.Listener)
type ConnectionHandler interface {
Serve(io.ReadWriter) error
}
// StandardConnectionHandler is the base implementation of handling SOCKS5 requests
type StandardConnectionHandler struct {
requestHandler RequestHandler
authHandler AuthHandler
}
// NewConnectionHandler creates a standard SOCKS5 connection handler
// This process connections from a generic TCP listener from the standard library
func NewConnectionHandler(requestHandler RequestHandler) ConnectionHandler {
return &StandardConnectionHandler{
requestHandler: requestHandler,
authHandler: NewAuthHandler(),
}
}
// Serve process new connection created after calling `Accept()` in the standard library
func (h *StandardConnectionHandler) Serve(c io.ReadWriter) error {
bufConn := bufio.NewReader(c)
// read the version byte
version := []byte{0}
if _, err := bufConn.Read(version); err != nil {
return err
}
// ensure compatibility
if version[0] != socks5Version {
return fmt.Errorf("Unsupported SOCKS version: %v", version)
}
// handle auth
if err := h.authHandler.Handle(bufConn, c); err != nil {
return err
}
// process command/request
req, err := NewRequest(bufConn)
if err != nil {
return err
}
return h.requestHandler.Handle(req, c)
}

View File

@ -0,0 +1,88 @@
package socks
import (
"encoding/json"
"io/ioutil"
"net"
"net/http"
"testing"
"github.com/stretchr/testify/assert"
"golang.org/x/net/proxy"
)
type successResponse struct {
Status string `json:"status"`
}
func sendSocksRequest(t *testing.T) []byte {
dialer, err := proxy.SOCKS5("tcp", "127.0.0.1:8086", nil, proxy.Direct)
assert.NoError(t, err)
httpTransport := &http.Transport{}
httpClient := &http.Client{Transport: httpTransport}
// set our socks5 as the dialer
httpTransport.Dial = dialer.Dial
req, err := http.NewRequest("GET", "http://127.0.0.1:8085", nil)
assert.NoError(t, err)
resp, err := httpClient.Do(req)
assert.NoError(t, err)
defer resp.Body.Close()
b, err := ioutil.ReadAll(resp.Body)
assert.NoError(t, err)
return b
}
func startTestServer(t *testing.T, httpHandler func(w http.ResponseWriter, r *http.Request)) {
// create a socks server
requestHandler := NewRequestHandler(NewNetDialer())
socksServer := NewConnectionHandler(requestHandler)
listener, err := net.Listen("tcp", ":8086")
assert.NoError(t, err)
go func() {
defer listener.Close()
for {
conn, _ := listener.Accept()
go socksServer.Serve(conn)
}
}()
// create an http server
mux := http.NewServeMux()
mux.HandleFunc("/", httpHandler)
// start the servers
go http.ListenAndServe(":8085", mux)
}
func respondWithJSON(w http.ResponseWriter, v interface{}, status int) {
data, _ := json.Marshal(v)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
w.Write(data)
}
func OkJSONResponseHandler(w http.ResponseWriter, r *http.Request) {
resp := successResponse{
Status: "ok",
}
respondWithJSON(w, resp, http.StatusOK)
}
func TestSocksConnection(t *testing.T) {
startTestServer(t, OkJSONResponseHandler)
b := sendSocksRequest(t)
assert.True(t, len(b) > 0, "no data returned!")
var resp successResponse
json.Unmarshal(b, &resp)
assert.True(t, resp.Status == "ok", "response didn't return ok")
}

57
socks/dialer.go Normal file
View File

@ -0,0 +1,57 @@
package socks
import (
"fmt"
"io"
"net"
)
// Dialer is used to provided the transport of the proxy
type Dialer interface {
Dial(string) (io.ReadWriteCloser, *AddrSpec, error)
}
// NetDialer is a standard TCP dialer
type NetDialer struct {
}
// NewNetDialer creates a new dialer
func NewNetDialer() Dialer {
return &NetDialer{}
}
// Dial is a base TCP dialer
func (d *NetDialer) Dial(address string) (io.ReadWriteCloser, *AddrSpec, error) {
c, err := net.Dial("tcp", address)
if err != nil {
return nil, nil, err
}
local := c.LocalAddr().(*net.TCPAddr)
addr := AddrSpec{IP: local.IP, Port: local.Port}
return c, &addr, nil
}
// ConnDialer is like NetDialer but with an existing TCP dialer already created
type ConnDialer struct {
conn net.Conn
}
// NewConnDialer creates a new dialer with a already created net.conn (TCP expected)
func NewConnDialer(conn net.Conn) Dialer {
return &ConnDialer{
conn: conn,
}
}
// Dial is a TCP dialer but already created
func (d *ConnDialer) Dial(address string) (io.ReadWriteCloser, *AddrSpec, error) {
local, ok := d.conn.LocalAddr().(*net.TCPAddr)
if !ok {
return nil, nil, fmt.Errorf("not a tcp connection")
}
addr := AddrSpec{IP: local.IP, Port: local.Port}
return d.conn, &addr, nil
}

195
socks/request.go Normal file
View File

@ -0,0 +1,195 @@
package socks
import (
"fmt"
"io"
"net"
"strconv"
)
const (
// version
socks5Version = uint8(5)
// commands https://tools.ietf.org/html/rfc1928#section-4
connectCommand = uint8(1)
bindCommand = uint8(2)
associateCommand = uint8(3)
// address types
ipv4Address = uint8(1)
fqdnAddress = uint8(3)
ipv6Address = uint8(4)
)
// https://tools.ietf.org/html/rfc1928#section-6
const (
successReply uint8 = iota
serverFailure
ruleFailure
networkUnreachable
hostUnreachable
connectionRefused
ttlExpired
commandNotSupported
addrTypeNotSupported
)
// AddrSpec is used to return the target IPv4, IPv6, or a FQDN
type AddrSpec struct {
FQDN string
IP net.IP
Port int
}
// String gives a host version of the Address
func (a *AddrSpec) String() string {
if a.FQDN != "" {
return fmt.Sprintf("%s (%s):%d", a.FQDN, a.IP, a.Port)
}
return fmt.Sprintf("%s:%d", a.IP, a.Port)
}
// Address returns a string suitable to dial; prefer returning IP-based
// address, fallback to FQDN
func (a AddrSpec) Address() string {
if len(a.IP) != 0 {
return net.JoinHostPort(a.IP.String(), strconv.Itoa(a.Port))
}
return net.JoinHostPort(a.FQDN, strconv.Itoa(a.Port))
}
// Request is a SOCKS5 command with supporting field of the connection
type Request struct {
// Protocol version
Version uint8
// Requested command
Command uint8
// AddrSpec of the destination
DestAddr *AddrSpec
// reading from the connection
bufConn io.Reader
}
// NewRequest creates a new request from the connection data stream
func NewRequest(bufConn io.Reader) (*Request, error) {
// Read the version byte
header := []byte{0, 0, 0}
if _, err := io.ReadAtLeast(bufConn, header, 3); err != nil {
return nil, fmt.Errorf("Failed to get command version: %v", err)
}
// ensure compatibility
if header[0] != socks5Version {
return nil, fmt.Errorf("Unsupported command version: %v", header[0])
}
// Read in the destination address
dest, err := readAddrSpec(bufConn)
if err != nil {
return nil, err
}
return &Request{
Version: socks5Version,
Command: header[1],
DestAddr: dest,
bufConn: bufConn,
}, nil
}
func sendReply(w io.Writer, resp uint8, addr *AddrSpec) error {
var addrType uint8
var addrBody []byte
var addrPort uint16
switch {
case addr == nil:
addrType = ipv4Address
addrBody = []byte{0, 0, 0, 0}
addrPort = 0
case addr.FQDN != "":
addrType = fqdnAddress
addrBody = append([]byte{byte(len(addr.FQDN))}, addr.FQDN...)
addrPort = uint16(addr.Port)
case addr.IP.To4() != nil:
addrType = ipv4Address
addrBody = []byte(addr.IP.To4())
addrPort = uint16(addr.Port)
case addr.IP.To16() != nil:
addrType = ipv6Address
addrBody = []byte(addr.IP.To16())
addrPort = uint16(addr.Port)
default:
return fmt.Errorf("Failed to format address: %v", addr)
}
// Format the message
msg := make([]byte, 6+len(addrBody))
msg[0] = socks5Version
msg[1] = resp
msg[2] = 0 // Reserved
msg[3] = addrType
copy(msg[4:], addrBody)
msg[4+len(addrBody)] = byte(addrPort >> 8)
msg[4+len(addrBody)+1] = byte(addrPort & 0xff)
// Send the message
_, err := w.Write(msg)
return err
}
// readAddrSpec is used to read AddrSpec.
// Expects an address type byte, followed by the address and port
func readAddrSpec(r io.Reader) (*AddrSpec, error) {
d := &AddrSpec{}
// Get the address type