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Update code to Tailscale 1.10
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juanfont committed Jun 25, 2021
1 parent 736182f commit aa27709
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Showing 6 changed files with 30 additions and 32 deletions.
27 changes: 13 additions & 14 deletions api.go
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ import (
"gorm.io/gorm"
"inet.af/netaddr"
"tailscale.com/tailcfg"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/types/wgkey"
)

// KeyHandler provides the Headscale pub key
Expand Down Expand Up @@ -61,7 +61,7 @@ func (h *Headscale) RegisterWebAPI(c *gin.Context) {
func (h *Headscale) RegistrationHandler(c *gin.Context) {
body, _ := io.ReadAll(c.Request.Body)
mKeyStr := c.Param("id")
mKey, err := wgcfg.ParseHexKey(mKeyStr)
mKey, err := wgkey.ParseHex(mKeyStr)
if err != nil {
log.Printf("Cannot parse machine key: %s", err)
c.String(http.StatusInternalServerError, "Sad!")
Expand Down Expand Up @@ -89,7 +89,7 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
Expiry: &req.Expiry,
MachineKey: mKey.HexString(),
Name: req.Hostinfo.Hostname,
NodeKey: wgcfg.Key(req.NodeKey).HexString(),
NodeKey: wgkey.Key(req.NodeKey).HexString(),
}
if err := db.Create(&m).Error; err != nil {
log.Printf("Could not create row: %s", err)
Expand All @@ -105,7 +105,7 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
resp := tailcfg.RegisterResponse{}

// We have the updated key!
if m.NodeKey == wgcfg.Key(req.NodeKey).HexString() {
if m.NodeKey == wgkey.Key(req.NodeKey).HexString() {
if m.Registered {
log.Printf("[%s] Client is registered and we have the current NodeKey. All clear to /map", m.Name)
resp.AuthURL = ""
Expand Down Expand Up @@ -135,9 +135,9 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
}

// The NodeKey we have matches OldNodeKey, which means this is a refresh after an key expiration
if m.NodeKey == wgcfg.Key(req.OldNodeKey).HexString() {
if m.NodeKey == wgkey.Key(req.OldNodeKey).HexString() {
log.Printf("[%s] We have the OldNodeKey in the database. This is a key refresh", m.Name)
m.NodeKey = wgcfg.Key(req.NodeKey).HexString()
m.NodeKey = wgkey.Key(req.NodeKey).HexString()
db.Save(&m)

resp.AuthURL = ""
Expand Down Expand Up @@ -192,7 +192,7 @@ func (h *Headscale) RegistrationHandler(c *gin.Context) {
func (h *Headscale) PollNetMapHandler(c *gin.Context) {
body, _ := io.ReadAll(c.Request.Body)
mKeyStr := c.Param("id")
mKey, err := wgcfg.ParseHexKey(mKeyStr)
mKey, err := wgkey.ParseHex(mKeyStr)
if err != nil {
log.Printf("Cannot parse client key: %s", err)
return
Expand All @@ -218,7 +218,7 @@ func (h *Headscale) PollNetMapHandler(c *gin.Context) {
hostinfo, _ := json.Marshal(req.Hostinfo)
m.Name = req.Hostinfo.Hostname
m.HostInfo = datatypes.JSON(hostinfo)
m.DiscoKey = wgcfg.Key(req.DiscoKey).HexString()
m.DiscoKey = wgkey.Key(req.DiscoKey).HexString()
now := time.Now().UTC()

// From Tailscale client:
Expand Down Expand Up @@ -334,7 +334,7 @@ func (h *Headscale) PollNetMapHandler(c *gin.Context) {
})
}

func (h *Headscale) keepAlive(cancel chan []byte, pollData chan []byte, mKey wgcfg.Key, req tailcfg.MapRequest, m Machine) {
func (h *Headscale) keepAlive(cancel chan []byte, pollData chan []byte, mKey wgkey.Key, req tailcfg.MapRequest, m Machine) {
for {
select {
case <-cancel:
Expand All @@ -355,7 +355,7 @@ func (h *Headscale) keepAlive(cancel chan []byte, pollData chan []byte, mKey wgc
}
}

func (h *Headscale) getMapResponse(mKey wgcfg.Key, req tailcfg.MapRequest, m Machine) (*[]byte, error) {
func (h *Headscale) getMapResponse(mKey wgkey.Key, req tailcfg.MapRequest, m Machine) (*[]byte, error) {
node, err := m.toNode()
if err != nil {
log.Printf("Cannot convert to node: %s", err)
Expand All @@ -376,7 +376,6 @@ func (h *Headscale) getMapResponse(mKey wgcfg.Key, req tailcfg.MapRequest, m Mac
PacketFilter: tailcfg.FilterAllowAll,
DERPMap: h.cfg.DerpMap,
UserProfiles: []tailcfg.UserProfile{},
Roles: []tailcfg.Role{},
}

var respBody []byte
Expand All @@ -402,7 +401,7 @@ func (h *Headscale) getMapResponse(mKey wgcfg.Key, req tailcfg.MapRequest, m Mac
return &data, nil
}

func (h *Headscale) getMapKeepAliveResponse(mKey wgcfg.Key, req tailcfg.MapRequest, m Machine) (*[]byte, error) {
func (h *Headscale) getMapKeepAliveResponse(mKey wgkey.Key, req tailcfg.MapRequest, m Machine) (*[]byte, error) {
resp := tailcfg.MapResponse{
KeepAlive: true,
}
Expand All @@ -428,7 +427,7 @@ func (h *Headscale) getMapKeepAliveResponse(mKey wgcfg.Key, req tailcfg.MapReque
return &data, nil
}

func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgcfg.Key, req tailcfg.RegisterRequest, m Machine) {
func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgkey.Key, req tailcfg.RegisterRequest, m Machine) {
resp := tailcfg.RegisterResponse{}
pak, err := h.checkKeyValidity(req.Auth.AuthKey)
if err != nil {
Expand All @@ -452,7 +451,7 @@ func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgcfg.Key,
m.AuthKeyID = uint(pak.ID)
m.IPAddress = ip.String()
m.NamespaceID = pak.NamespaceID
m.NodeKey = wgcfg.Key(req.NodeKey).HexString() // we update it just in case
m.NodeKey = wgkey.Key(req.NodeKey).HexString() // we update it just in case
m.Registered = true
m.RegisterMethod = "authKey"
db.Save(&m)
Expand Down
8 changes: 4 additions & 4 deletions app.go
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ import (
"github.com/gin-gonic/gin"
"golang.org/x/crypto/acme/autocert"
"tailscale.com/tailcfg"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/types/wgkey"
)

// Config contains the initial Headscale configuration
Expand Down Expand Up @@ -46,8 +46,8 @@ type Headscale struct {
dbString string
dbType string
dbDebug bool
publicKey *wgcfg.Key
privateKey *wgcfg.PrivateKey
publicKey *wgkey.Key
privateKey *wgkey.Private

pollMu sync.Mutex
clientsPolling map[uint64]chan []byte // this is by all means a hackity hack
Expand All @@ -59,7 +59,7 @@ func NewHeadscale(cfg Config) (*Headscale, error) {
if err != nil {
return nil, err
}
privKey, err := wgcfg.ParsePrivateKey(string(content))
privKey, err := wgkey.ParsePrivate(string(content))
if err != nil {
return nil, err
}
Expand Down
4 changes: 2 additions & 2 deletions cli.go
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import (
"log"

"gorm.io/gorm"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/types/wgkey"
)

// RegisterMachine is executed from the CLI to register a new Machine using its MachineKey
Expand All @@ -14,7 +14,7 @@ func (h *Headscale) RegisterMachine(key string, namespace string) (*Machine, err
if err != nil {
return nil, err
}
mKey, err := wgcfg.ParseHexKey(key)
mKey, err := wgkey.ParseHex(key)
if err != nil {
return nil, err
}
Expand Down
10 changes: 5 additions & 5 deletions machine.go
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ import (
"gorm.io/datatypes"
"inet.af/netaddr"
"tailscale.com/tailcfg"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/types/wgkey"
)

// Machine is a Headscale client
Expand All @@ -23,7 +23,7 @@ type Machine struct {
IPAddress string
Name string
NamespaceID uint
Namespace Namespace
Namespace Namespace `gorm:"foreignKey:NamespaceID"`

Registered bool // temp
RegisterMethod string
Expand All @@ -48,18 +48,18 @@ func (m Machine) isAlreadyRegistered() bool {
}

func (m Machine) toNode() (*tailcfg.Node, error) {
nKey, err := wgcfg.ParseHexKey(m.NodeKey)
nKey, err := wgkey.ParseHex(m.NodeKey)
if err != nil {
return nil, err
}
mKey, err := wgcfg.ParseHexKey(m.MachineKey)
mKey, err := wgkey.ParseHex(m.MachineKey)
if err != nil {
return nil, err
}

var discoKey tailcfg.DiscoKey
if m.DiscoKey != "" {
dKey, err := wgcfg.ParseHexKey(m.DiscoKey)
dKey, err := wgkey.ParseHex(m.DiscoKey)
if err != nil {
return nil, err
}
Expand Down
1 change: 0 additions & 1 deletion namespaces.go
Original file line number Diff line number Diff line change
Expand Up @@ -144,7 +144,6 @@ func (n *Namespace) toUser() *tailcfg.User {
ProfilePicURL: "",
Domain: "",
Logins: []tailcfg.LoginID{},
Roles: []tailcfg.RoleID{},
Created: time.Time{},
}
return &u
Expand Down
12 changes: 6 additions & 6 deletions utils.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,19 +19,19 @@ import (

"golang.org/x/crypto/nacl/box"
"gorm.io/gorm"
"tailscale.com/wgengine/wgcfg"
"tailscale.com/types/wgkey"
)

// Error is used to compare errors as per https://dave.cheney.net/2016/04/07/constant-errors
type Error string

func (e Error) Error() string { return string(e) }

func decode(msg []byte, v interface{}, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) error {
func decode(msg []byte, v interface{}, pubKey *wgkey.Key, privKey *wgkey.Private) error {
return decodeMsg(msg, v, pubKey, privKey)
}

func decodeMsg(msg []byte, v interface{}, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) error {
func decodeMsg(msg []byte, v interface{}, pubKey *wgkey.Key, privKey *wgkey.Private) error {
decrypted, err := decryptMsg(msg, pubKey, privKey)
if err != nil {
return err
Expand All @@ -43,7 +43,7 @@ func decodeMsg(msg []byte, v interface{}, pubKey *wgcfg.Key, privKey *wgcfg.Priv
return nil
}

func decryptMsg(msg []byte, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) ([]byte, error) {
func decryptMsg(msg []byte, pubKey *wgkey.Key, privKey *wgkey.Private) ([]byte, error) {
var nonce [24]byte
if len(msg) < len(nonce)+1 {
return nil, fmt.Errorf("response missing nonce, len=%d", len(msg))
Expand All @@ -59,15 +59,15 @@ func decryptMsg(msg []byte, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) ([]byt
return decrypted, nil
}

func encode(v interface{}, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) ([]byte, error) {
func encode(v interface{}, pubKey *wgkey.Key, privKey *wgkey.Private) ([]byte, error) {
b, err := json.Marshal(v)
if err != nil {
return nil, err
}
return encodeMsg(b, pubKey, privKey)
}

func encodeMsg(b []byte, pubKey *wgcfg.Key, privKey *wgcfg.PrivateKey) ([]byte, error) {
func encodeMsg(b []byte, pubKey *wgkey.Key, privKey *wgkey.Private) ([]byte, error) {
var nonce [24]byte
if _, err := io.ReadFull(rand.Reader, nonce[:]); err != nil {
panic(err)
Expand Down

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