114 lines
2.5 KiB
Go
114 lines
2.5 KiB
Go
package headscale
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import (
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"github.com/jinzhu/gorm/dialects/postgres"
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"inet.af/netaddr"
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"tailscale.com/wgengine/wgcfg"
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)
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// RegisterMachine is executed from the CLI to register a new Machine using its MachineKey
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func (h *Headscale) RegisterMachine(key string, namespace string) error {
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ns, err := h.GetNamespace(namespace)
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if err != nil {
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return err
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}
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mKey, err := wgcfg.ParseHexKey(key)
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if err != nil {
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log.Printf("Cannot parse client key: %s", err)
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return err
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}
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db, err := h.db()
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if err != nil {
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log.Printf("Cannot open DB: %s", err)
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return err
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}
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defer db.Close()
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m := Machine{}
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if db.First(&m, "machine_key = ?", mKey.HexString()).RecordNotFound() {
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log.Printf("Cannot find machine with machine key: %s", mKey.Base64())
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return err
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}
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if m.isAlreadyRegistered() {
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fmt.Println("This machine already registered")
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return nil
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}
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ip, err := h.getAvailableIP()
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if err != nil {
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log.Println(err)
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return err
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}
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m.IPAddress = ip.String()
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m.NamespaceID = ns.ID
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m.Registered = true
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db.Save(&m)
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fmt.Println("Machine registered 🎉")
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return nil
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}
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// ListNodeRoutes prints the subnet routes advertised by a node (identified by
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// namespace and node name)
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func (h *Headscale) ListNodeRoutes(namespace string, nodeName string) error {
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m, err := h.GetMachine(namespace, nodeName)
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if err != nil {
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return err
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}
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hi, err := m.GetHostInfo()
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if err != nil {
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return err
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}
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fmt.Println(hi.RoutableIPs)
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return nil
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}
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// EnableNodeRoute enables a subnet route advertised by a node (identified by
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// namespace and node name)
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func (h *Headscale) EnableNodeRoute(namespace string, nodeName string, routeStr string) error {
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m, err := h.GetMachine(namespace, nodeName)
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if err != nil {
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return err
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}
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hi, err := m.GetHostInfo()
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if err != nil {
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return err
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}
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route, err := netaddr.ParseIPPrefix(routeStr)
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if err != nil {
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return err
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}
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for _, rIP := range hi.RoutableIPs {
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if rIP == route {
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db, err := h.db()
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if err != nil {
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log.Printf("Cannot open DB: %s", err)
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return err
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}
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routes, _ := json.Marshal([]string{routeStr}) // TODO: only one for the time being, so overwriting the rest
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m.EnabledRoutes = postgres.Jsonb{RawMessage: json.RawMessage(routes)}
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db.Save(&m)
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db.Close()
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peers, _ := h.getPeers(*m)
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h.pollMu.Lock()
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for _, p := range *peers {
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if pUp, ok := h.clientsPolling[uint64(p.ID)]; ok {
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pUp <- []byte{}
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}
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}
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h.pollMu.Unlock()
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return nil
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}
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}
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return errors.New("could not find routable range")
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}
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