2020-06-21 10:32:08 +00:00
|
|
|
package headscale
|
|
|
|
|
|
|
|
|
|
import (
|
2021-12-23 02:43:53 +00:00
|
|
|
"bytes"
|
2020-06-21 10:32:08 +00:00
|
|
|
"encoding/binary"
|
|
|
|
|
"encoding/json"
|
|
|
|
|
"fmt"
|
2021-12-23 02:43:53 +00:00
|
|
|
"html/template"
|
2020-06-21 10:32:08 +00:00
|
|
|
"net/http"
|
2021-10-08 09:43:52 +00:00
|
|
|
"strings"
|
2020-06-21 10:32:08 +00:00
|
|
|
"time"
|
|
|
|
|
|
2022-06-20 10:30:41 +00:00
|
|
|
"github.com/gorilla/mux"
|
2020-06-21 10:32:08 +00:00
|
|
|
"github.com/klauspost/compress/zstd"
|
2021-11-13 08:39:04 +00:00
|
|
|
"github.com/rs/zerolog/log"
|
2020-06-21 10:32:08 +00:00
|
|
|
"tailscale.com/tailcfg"
|
2021-11-26 23:30:42 +00:00
|
|
|
"tailscale.com/types/key"
|
2020-06-21 10:32:08 +00:00
|
|
|
)
|
|
|
|
|
|
2021-11-18 08:49:55 +00:00
|
|
|
const (
|
2022-08-12 07:36:17 +00:00
|
|
|
// TODO(juan): remove this once https://github.com/juanfont/headscale/issues/727 is fixed.
|
2022-08-12 07:02:58 +00:00
|
|
|
registrationHoldoff = time.Second * 5
|
2021-11-22 19:32:52 +00:00
|
|
|
reservedResponseHeaderSize = 4
|
2022-02-27 17:48:12 +00:00
|
|
|
RegisterMethodAuthKey = "authkey"
|
2021-11-22 19:32:52 +00:00
|
|
|
RegisterMethodOIDC = "oidc"
|
|
|
|
|
RegisterMethodCLI = "cli"
|
|
|
|
|
ErrRegisterMethodCLIDoesNotSupportExpire = Error(
|
|
|
|
|
"machines registered with CLI does not support expire",
|
|
|
|
|
)
|
2022-08-13 09:24:05 +00:00
|
|
|
|
|
|
|
|
// The CapabilityVersion is used by Tailscale clients to indicate
|
|
|
|
|
// their codebase version. Tailscale clients can communicate over TS2021
|
|
|
|
|
// from CapabilityVersion 28.
|
|
|
|
|
// See https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go
|
|
|
|
|
NoiseCapabilityVersion = 28
|
2021-11-18 08:49:55 +00:00
|
|
|
)
|
2021-11-14 17:31:51 +00:00
|
|
|
|
2022-07-06 11:39:10 +00:00
|
|
|
func (h *Headscale) HealthHandler(
|
|
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
|
|
|
|
) {
|
|
|
|
|
respond := func(err error) {
|
|
|
|
|
writer.Header().Set("Content-Type", "application/health+json; charset=utf-8")
|
|
|
|
|
|
|
|
|
|
res := struct {
|
|
|
|
|
Status string `json:"status"`
|
|
|
|
|
}{
|
|
|
|
|
Status: "pass",
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
writer.WriteHeader(http.StatusInternalServerError)
|
|
|
|
|
log.Error().Caller().Err(err).Msg("health check failed")
|
|
|
|
|
res.Status = "fail"
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
buf, err := json.Marshal(res)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().Caller().Err(err).Msg("marshal failed")
|
|
|
|
|
}
|
|
|
|
|
_, err = writer.Write(buf)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().Caller().Err(err).Msg("write failed")
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if err := h.pingDB(); err != nil {
|
|
|
|
|
respond(err)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
respond(nil)
|
|
|
|
|
}
|
|
|
|
|
|
2021-12-23 02:43:53 +00:00
|
|
|
type registerWebAPITemplateConfig struct {
|
|
|
|
|
Key string
|
|
|
|
|
}
|
2021-02-27 23:58:09 +00:00
|
|
|
|
2021-12-23 02:43:53 +00:00
|
|
|
var registerWebAPITemplate = template.Must(
|
2022-03-08 08:34:46 +00:00
|
|
|
template.New("registerweb").Parse(`
|
|
|
|
|
<html>
|
|
|
|
|
<head>
|
|
|
|
|
<title>Registration - Headscale</title>
|
|
|
|
|
</head>
|
2021-02-27 23:58:09 +00:00
|
|
|
<body>
|
2022-03-08 08:34:46 +00:00
|
|
|
<h1>headscale</h1>
|
|
|
|
|
<h2>Machine registration</h2>
|
|
|
|
|
<p>
|
|
|
|
|
Run the command below in the headscale server to add this machine to your network:
|
|
|
|
|
</p>
|
|
|
|
|
<pre><code>headscale -n NAMESPACE nodes register --key {{.Key}}</code></pre>
|
2021-02-27 23:58:09 +00:00
|
|
|
</body>
|
2022-03-08 08:34:46 +00:00
|
|
|
</html>
|
|
|
|
|
`))
|
2021-12-23 02:43:53 +00:00
|
|
|
|
|
|
|
|
// RegisterWebAPI shows a simple message in the browser to point to the CLI
|
2022-08-11 10:11:02 +00:00
|
|
|
// Listens in /register/:nkey.
|
2022-08-11 10:16:50 +00:00
|
|
|
//
|
|
|
|
|
// This is not part of the Tailscale control API, as we could send whatever URL
|
|
|
|
|
// in the RegisterResponse.AuthURL field.
|
2022-06-17 14:48:04 +00:00
|
|
|
func (h *Headscale) RegisterWebAPI(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2022-06-17 14:48:04 +00:00
|
|
|
) {
|
2022-08-11 10:11:02 +00:00
|
|
|
vars := mux.Vars(req)
|
|
|
|
|
nodeKeyStr, ok := vars["nkey"]
|
|
|
|
|
if !ok || nodeKeyStr == "" {
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusBadRequest)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err := writer.Write([]byte("Wrong params"))
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-12-23 02:43:53 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var content bytes.Buffer
|
|
|
|
|
if err := registerWebAPITemplate.Execute(&content, registerWebAPITemplateConfig{
|
2022-08-10 13:35:26 +00:00
|
|
|
Key: nodeKeyStr,
|
2021-12-23 02:43:53 +00:00
|
|
|
}); err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Str("func", "RegisterWebAPI").
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Could not render register web API template")
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusInternalServerError)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write([]byte("Could not render register web API template"))
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2022-06-26 09:55:37 +00:00
|
|
|
|
|
|
|
|
return
|
2021-12-23 02:43:53 +00:00
|
|
|
}
|
2021-05-24 19:59:03 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "text/html; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err := writer.Write(content.Bytes())
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-02-27 23:58:09 +00:00
|
|
|
}
|
|
|
|
|
|
2022-08-14 01:20:53 +00:00
|
|
|
func (h *Headscale) getLegacyMapResponseData(
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2022-06-26 09:55:37 +00:00
|
|
|
mapRequest tailcfg.MapRequest,
|
2021-11-14 19:32:03 +00:00
|
|
|
machine *Machine,
|
2021-11-13 08:36:45 +00:00
|
|
|
) ([]byte, error) {
|
2022-08-14 01:20:53 +00:00
|
|
|
resp, err := h.generateMapResponse(mapRequest, machine)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
var respBody []byte
|
2022-08-14 15:04:07 +00:00
|
|
|
if mapRequest.Compress == ZstdCompression {
|
2022-08-14 01:20:53 +00:00
|
|
|
src, err := json.Marshal(resp)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Str("func", "getMapResponse").
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to marshal response for the client")
|
|
|
|
|
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
encoder, _ := zstd.NewWriter(nil)
|
|
|
|
|
srcCompressed := encoder.EncodeAll(src, nil)
|
|
|
|
|
respBody = h.privateKey.SealTo(machineKey, srcCompressed)
|
|
|
|
|
} else {
|
|
|
|
|
respBody, err = encode(resp, &machineKey, h.privateKey)
|
|
|
|
|
if err != nil {
|
|
|
|
|
return nil, err
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// declare the incoming size on the first 4 bytes
|
|
|
|
|
data := make([]byte, reservedResponseHeaderSize)
|
|
|
|
|
binary.LittleEndian.PutUint32(data, uint32(len(respBody)))
|
|
|
|
|
data = append(data, respBody...)
|
|
|
|
|
|
|
|
|
|
return data, nil
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-17 22:39:41 +00:00
|
|
|
func (h *Headscale) handleMachineLogOut(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-17 22:39:41 +00:00
|
|
|
machine Machine,
|
|
|
|
|
) {
|
|
|
|
|
resp := tailcfg.RegisterResponse{}
|
|
|
|
|
|
|
|
|
|
log.Info().
|
2022-04-24 19:54:38 +00:00
|
|
|
Str("machine", machine.Hostname).
|
2021-11-17 22:39:41 +00:00
|
|
|
Msg("Client requested logout")
|
|
|
|
|
|
2022-06-26 10:30:52 +00:00
|
|
|
err := h.ExpireMachine(&machine)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Str("func", "handleMachineLogOut").
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to expire machine")
|
|
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
resp.AuthURL = ""
|
|
|
|
|
resp.MachineAuthorized = false
|
|
|
|
|
resp.User = *machine.Namespace.toUser()
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-11-17 22:39:41 +00:00
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-11-17 22:39:41 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (h *Headscale) handleMachineValidRegistration(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-17 22:39:41 +00:00
|
|
|
machine Machine,
|
|
|
|
|
) {
|
|
|
|
|
resp := tailcfg.RegisterResponse{}
|
|
|
|
|
|
|
|
|
|
// The machine registration is valid, respond with redirect to /map
|
|
|
|
|
log.Debug().
|
2022-04-24 19:54:38 +00:00
|
|
|
Str("machine", machine.Hostname).
|
2021-11-17 22:39:41 +00:00
|
|
|
Msg("Client is registered and we have the current NodeKey. All clear to /map")
|
|
|
|
|
|
|
|
|
|
resp.AuthURL = ""
|
|
|
|
|
resp.MachineAuthorized = true
|
|
|
|
|
resp.User = *machine.Namespace.toUser()
|
|
|
|
|
resp.Login = *machine.Namespace.toLogin()
|
|
|
|
|
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-11-17 22:39:41 +00:00
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-11-17 22:39:41 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
|
|
|
|
machineRegistrations.WithLabelValues("update", "web", "error", machine.Namespace.Name).
|
|
|
|
|
Inc()
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
machineRegistrations.WithLabelValues("update", "web", "success", machine.Namespace.Name).
|
|
|
|
|
Inc()
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (h *Headscale) handleMachineExpired(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-24 12:15:55 +00:00
|
|
|
registerRequest tailcfg.RegisterRequest,
|
2021-11-17 22:39:41 +00:00
|
|
|
machine Machine,
|
|
|
|
|
) {
|
|
|
|
|
resp := tailcfg.RegisterResponse{}
|
|
|
|
|
|
|
|
|
|
// The client has registered before, but has expired
|
|
|
|
|
log.Debug().
|
2022-04-24 19:54:38 +00:00
|
|
|
Str("machine", machine.Hostname).
|
2021-11-17 22:39:41 +00:00
|
|
|
Msg("Machine registration has expired. Sending a authurl to register")
|
|
|
|
|
|
2021-11-24 12:15:32 +00:00
|
|
|
if registerRequest.Auth.AuthKey != "" {
|
2022-06-26 09:55:37 +00:00
|
|
|
h.handleAuthKey(writer, req, machineKey, registerRequest)
|
2021-11-24 12:15:32 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2021-11-17 22:39:41 +00:00
|
|
|
if h.cfg.OIDC.Issuer != "" {
|
|
|
|
|
resp.AuthURL = fmt.Sprintf("%s/oidc/register/%s",
|
2022-08-14 10:10:20 +00:00
|
|
|
strings.TrimSuffix(h.cfg.ServerURL, "/"),
|
|
|
|
|
NodePublicKeyStripPrefix(registerRequest.NodeKey))
|
2021-11-17 22:39:41 +00:00
|
|
|
} else {
|
2022-08-13 19:17:05 +00:00
|
|
|
resp.AuthURL = fmt.Sprintf("%s/register/%s",
|
2022-08-14 10:10:20 +00:00
|
|
|
strings.TrimSuffix(h.cfg.ServerURL, "/"),
|
|
|
|
|
NodePublicKeyStripPrefix(registerRequest.NodeKey))
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
2021-11-24 12:15:32 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-11-17 22:39:41 +00:00
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-11-17 22:39:41 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2021-11-22 19:32:11 +00:00
|
|
|
machineRegistrations.WithLabelValues("reauth", "web", "error", machine.Namespace.Name).
|
2021-11-17 22:39:41 +00:00
|
|
|
Inc()
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-11-22 19:32:11 +00:00
|
|
|
machineRegistrations.WithLabelValues("reauth", "web", "success", machine.Namespace.Name).
|
2021-11-17 22:39:41 +00:00
|
|
|
Inc()
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (h *Headscale) handleMachineRefreshKey(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-22 19:35:24 +00:00
|
|
|
registerRequest tailcfg.RegisterRequest,
|
2021-11-17 22:39:41 +00:00
|
|
|
machine Machine,
|
|
|
|
|
) {
|
|
|
|
|
resp := tailcfg.RegisterResponse{}
|
|
|
|
|
|
|
|
|
|
log.Debug().
|
2022-04-24 19:54:38 +00:00
|
|
|
Str("machine", machine.Hostname).
|
2021-11-17 22:39:41 +00:00
|
|
|
Msg("We have the OldNodeKey in the database. This is a key refresh")
|
2021-11-26 23:30:42 +00:00
|
|
|
machine.NodeKey = NodePublicKeyStripPrefix(registerRequest.NodeKey)
|
2022-05-30 13:39:24 +00:00
|
|
|
|
|
|
|
|
if err := h.db.Save(&machine).Error; err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to update machine key in the database")
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2022-05-30 13:39:24 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
resp.AuthURL = ""
|
|
|
|
|
resp.User = *machine.Namespace.toUser()
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-11-17 22:39:41 +00:00
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-11-17 22:39:41 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (h *Headscale) handleMachineRegistrationNew(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-22 19:35:24 +00:00
|
|
|
registerRequest tailcfg.RegisterRequest,
|
2021-11-17 22:39:41 +00:00
|
|
|
) {
|
|
|
|
|
resp := tailcfg.RegisterResponse{}
|
|
|
|
|
|
|
|
|
|
// The machine registration is new, redirect the client to the registration URL
|
|
|
|
|
log.Debug().
|
2022-08-14 19:07:05 +00:00
|
|
|
Caller().
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2022-08-11 10:11:02 +00:00
|
|
|
Msg("The node seems to be new, sending auth url")
|
2021-11-17 22:39:41 +00:00
|
|
|
if h.cfg.OIDC.Issuer != "" {
|
|
|
|
|
resp.AuthURL = fmt.Sprintf(
|
|
|
|
|
"%s/oidc/register/%s",
|
|
|
|
|
strings.TrimSuffix(h.cfg.ServerURL, "/"),
|
2022-08-14 10:04:31 +00:00
|
|
|
NodePublicKeyStripPrefix(registerRequest.NodeKey),
|
2021-11-17 22:39:41 +00:00
|
|
|
)
|
|
|
|
|
} else {
|
2022-08-11 10:11:02 +00:00
|
|
|
resp.AuthURL = fmt.Sprintf("%s/register/%s",
|
2022-08-14 10:10:20 +00:00
|
|
|
strings.TrimSuffix(h.cfg.ServerURL, "/"),
|
|
|
|
|
NodePublicKeyStripPrefix(registerRequest.NodeKey))
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-11-17 22:39:41 +00:00
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-11-17 22:39:41 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-17 22:39:41 +00:00
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2021-11-17 22:39:41 +00:00
|
|
|
}
|
|
|
|
|
|
2022-01-16 13:16:59 +00:00
|
|
|
// TODO: check if any locks are needed around IP allocation.
|
2021-10-22 16:56:00 +00:00
|
|
|
func (h *Headscale) handleAuthKey(
|
2022-06-26 09:55:37 +00:00
|
|
|
writer http.ResponseWriter,
|
|
|
|
|
req *http.Request,
|
2021-11-26 23:30:42 +00:00
|
|
|
machineKey key.MachinePublic,
|
2021-11-22 19:35:24 +00:00
|
|
|
registerRequest tailcfg.RegisterRequest,
|
2021-10-22 16:56:00 +00:00
|
|
|
) {
|
2022-02-28 08:06:39 +00:00
|
|
|
machineKeyStr := MachinePublicKeyStripPrefix(machineKey)
|
|
|
|
|
|
2021-08-05 17:11:26 +00:00
|
|
|
log.Debug().
|
2021-08-05 19:57:47 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2021-11-22 19:35:24 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
|
|
|
|
Msgf("Processing auth key for %s", registerRequest.Hostinfo.Hostname)
|
2021-05-05 22:59:26 +00:00
|
|
|
resp := tailcfg.RegisterResponse{}
|
2022-02-28 08:06:39 +00:00
|
|
|
|
2021-11-22 19:35:24 +00:00
|
|
|
pak, err := h.checkKeyValidity(registerRequest.Auth.AuthKey)
|
2021-06-05 10:13:55 +00:00
|
|
|
if err != nil {
|
2021-10-04 16:03:44 +00:00
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-10-04 16:03:44 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2021-10-04 16:03:44 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed authentication via AuthKey")
|
2021-06-05 10:13:55 +00:00
|
|
|
resp.MachineAuthorized = false
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2021-05-05 22:59:26 +00:00
|
|
|
if err != nil {
|
2021-08-05 17:11:26 +00:00
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-08-05 19:57:47 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2021-08-05 17:11:26 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2022-02-28 08:06:39 +00:00
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
|
2021-11-13 08:36:45 +00:00
|
|
|
Inc()
|
2021-11-14 15:46:09 +00:00
|
|
|
|
2021-05-05 22:59:26 +00:00
|
|
|
return
|
|
|
|
|
}
|
2022-02-28 08:06:39 +00:00
|
|
|
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusUnauthorized)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
2022-06-20 10:30:41 +00:00
|
|
|
|
2021-08-05 17:11:26 +00:00
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-08-05 19:57:47 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2021-08-05 17:11:26 +00:00
|
|
|
Msg("Failed authentication via AuthKey")
|
2022-03-10 13:59:28 +00:00
|
|
|
|
|
|
|
|
if pak != nil {
|
|
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
|
|
|
|
|
Inc()
|
|
|
|
|
} else {
|
2022-03-21 08:49:14 +00:00
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", "unknown").Inc()
|
2022-03-10 13:59:28 +00:00
|
|
|
}
|
2021-11-14 15:46:09 +00:00
|
|
|
|
2021-06-05 10:13:55 +00:00
|
|
|
return
|
|
|
|
|
}
|
2021-08-05 17:11:26 +00:00
|
|
|
|
2022-02-28 08:06:39 +00:00
|
|
|
log.Debug().
|
|
|
|
|
Str("func", "handleAuthKey").
|
|
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
|
|
|
|
Msg("Authentication key was valid, proceeding to acquire IP addresses")
|
2021-11-22 19:32:11 +00:00
|
|
|
|
2022-02-28 08:06:39 +00:00
|
|
|
nodeKey := NodePublicKeyStripPrefix(registerRequest.NodeKey)
|
2022-02-28 16:34:50 +00:00
|
|
|
|
2022-03-10 13:59:28 +00:00
|
|
|
// retrieve machine information if it exist
|
|
|
|
|
// The error is not important, because if it does not
|
|
|
|
|
// exist, then this is a new machine and we will move
|
|
|
|
|
// on to registration.
|
|
|
|
|
machine, _ := h.GetMachineByMachineKey(machineKey)
|
|
|
|
|
if machine != nil {
|
|
|
|
|
log.Trace().
|
2022-02-28 08:06:39 +00:00
|
|
|
Caller().
|
2022-04-24 19:54:38 +00:00
|
|
|
Str("machine", machine.Hostname).
|
2022-03-10 13:59:28 +00:00
|
|
|
Msg("machine already registered, refreshing with new auth key")
|
2021-11-14 15:46:09 +00:00
|
|
|
|
2022-03-10 13:59:28 +00:00
|
|
|
machine.NodeKey = nodeKey
|
|
|
|
|
machine.AuthKeyID = uint(pak.ID)
|
2022-06-26 10:30:52 +00:00
|
|
|
err := h.RefreshMachine(machine, registerRequest.Expiry)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Str("machine", machine.Hostname).
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to refresh machine")
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2022-03-10 13:59:28 +00:00
|
|
|
} else {
|
|
|
|
|
now := time.Now().UTC()
|
2022-05-17 20:02:18 +00:00
|
|
|
|
|
|
|
|
givenName, err := h.GenerateGivenName(registerRequest.Hostinfo.Hostname)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Str("func", "RegistrationHandler").
|
|
|
|
|
Str("hostinfo.name", registerRequest.Hostinfo.Hostname).
|
|
|
|
|
Err(err)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
|
2022-03-10 13:59:28 +00:00
|
|
|
machineToRegister := Machine{
|
2022-04-24 19:54:38 +00:00
|
|
|
Hostname: registerRequest.Hostinfo.Hostname,
|
2022-05-17 20:02:18 +00:00
|
|
|
GivenName: givenName,
|
2022-03-10 13:59:28 +00:00
|
|
|
NamespaceID: pak.Namespace.ID,
|
|
|
|
|
MachineKey: machineKeyStr,
|
|
|
|
|
RegisterMethod: RegisterMethodAuthKey,
|
|
|
|
|
Expiry: ®isterRequest.Expiry,
|
|
|
|
|
NodeKey: nodeKey,
|
|
|
|
|
LastSeen: &now,
|
|
|
|
|
AuthKeyID: uint(pak.ID),
|
|
|
|
|
}
|
2022-03-10 15:22:21 +00:00
|
|
|
|
2022-03-10 13:59:28 +00:00
|
|
|
machine, err = h.RegisterMachine(
|
|
|
|
|
machineToRegister,
|
|
|
|
|
)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("could not register machine")
|
|
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
|
|
|
|
|
Inc()
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2022-03-10 15:22:21 +00:00
|
|
|
|
2022-03-10 13:59:28 +00:00
|
|
|
return
|
2022-03-10 15:22:21 +00:00
|
|
|
}
|
2020-06-21 10:32:08 +00:00
|
|
|
}
|
2021-05-05 22:59:26 +00:00
|
|
|
|
2022-06-26 10:30:52 +00:00
|
|
|
err = h.UsePreAuthKey(pak)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to use pre-auth key")
|
|
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
|
|
|
|
|
Inc()
|
|
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
}
|
2021-10-10 09:22:42 +00:00
|
|
|
|
2021-06-05 10:13:55 +00:00
|
|
|
resp.MachineAuthorized = true
|
|
|
|
|
resp.User = *pak.Namespace.toUser()
|
2021-11-24 12:15:55 +00:00
|
|
|
respBody, err := encode(resp, &machineKey, h.privateKey)
|
2020-06-21 10:32:08 +00:00
|
|
|
if err != nil {
|
2021-08-05 17:11:26 +00:00
|
|
|
log.Error().
|
2021-11-26 23:30:42 +00:00
|
|
|
Caller().
|
2021-08-05 19:57:47 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2021-08-05 17:11:26 +00:00
|
|
|
Err(err).
|
|
|
|
|
Msg("Cannot encode message")
|
2022-02-28 08:06:39 +00:00
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "error", pak.Namespace.Name).
|
2021-11-13 08:36:45 +00:00
|
|
|
Inc()
|
2022-06-26 09:55:37 +00:00
|
|
|
http.Error(writer, "Internal server error", http.StatusInternalServerError)
|
2021-11-14 15:46:09 +00:00
|
|
|
|
2020-06-21 10:32:08 +00:00
|
|
|
return
|
|
|
|
|
}
|
2022-02-28 08:06:39 +00:00
|
|
|
machineRegistrations.WithLabelValues("new", RegisterMethodAuthKey, "success", pak.Namespace.Name).
|
2021-11-13 08:36:45 +00:00
|
|
|
Inc()
|
2022-06-26 09:55:37 +00:00
|
|
|
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
|
writer.WriteHeader(http.StatusOK)
|
2022-06-26 10:21:35 +00:00
|
|
|
_, err = writer.Write(respBody)
|
|
|
|
|
if err != nil {
|
|
|
|
|
log.Error().
|
|
|
|
|
Caller().
|
|
|
|
|
Err(err).
|
|
|
|
|
Msg("Failed to write response")
|
|
|
|
|
}
|
|
|
|
|
|
2021-08-05 17:11:26 +00:00
|
|
|
log.Info().
|
2021-08-05 19:57:47 +00:00
|
|
|
Str("func", "handleAuthKey").
|
2022-02-28 08:06:39 +00:00
|
|
|
Str("machine", registerRequest.Hostinfo.Hostname).
|
2022-01-16 13:16:59 +00:00
|
|
|
Str("ips", strings.Join(machine.IPAddresses.ToStringSlice(), ", ")).
|
2021-08-05 17:11:26 +00:00
|
|
|
Msg("Successfully authenticated via AuthKey")
|
2020-06-21 10:32:08 +00:00
|
|
|
}
|
