mirror of
https://github.com/gravitl/netmaker.git
synced 2025-10-06 01:07:41 +08:00
began adding macos service/daemon
This commit is contained in:
afeiszli
@@ -1,325 +1,21 @@
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package wireguard
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"github.com/gravitl/netmaker/models"
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"github.com/gravitl/netmaker/netclient/config"
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"github.com/gravitl/netmaker/netclient/local"
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"github.com/gravitl/netmaker/netclient/netclientutils"
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"github.com/gravitl/netmaker/netclient/server"
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"golang.zx2c4.com/wireguard/wgctrl"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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"github.com/gravitl/netmaker/netclient/ncutils"
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//homedir "github.com/mitchellh/go-homedir"
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)
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func InitWireguard(node *models.Node, privkey string, peers []wgtypes.PeerConfig, hasGateway bool, gateways []string) error {
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key, err := wgtypes.ParseKey(privkey)
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func setKernelDevice(ifacename string, address string) error {
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ipExec, err := exec.LookPath("ip")
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if err != nil {
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return err
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}
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wgclient, err := wgctrl.New()
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if err != nil {
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return err
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}
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modcfg, err := config.ReadConfig(node.Network)
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if err != nil {
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return err
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}
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nodecfg := modcfg.Node
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servercfg := modcfg.Server
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if err != nil {
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log.Fatalf("failed to open client: %v", err)
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}
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defer wgclient.Close()
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ifacename := node.Interface
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if nodecfg.Interface != "" {
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ifacename = nodecfg.Interface
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} else if node.Interface != "" {
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ifacename = node.Interface
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} else {
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log.Fatal("no interface to configure")
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}
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if node.Address == "" {
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log.Fatal("no address to configure")
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}
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nameserver := servercfg.CoreDNSAddr
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network := node.Network
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if nodecfg.Network != "" {
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network = nodecfg.Network
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} else if node.Network != "" {
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network = node.Network
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}
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if !netclientutils.IsWindows() {
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ipExec, err := exec.LookPath("ip")
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if err != nil {
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return err
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}
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_, _ = local.RunCmd("ip link delete dev " + ifacename, false)
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_, _ = local.RunCmd(ipExec + " link add dev " + ifacename + " type wireguard", true)
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_, _ = local.RunCmd(ipExec + " address add dev " + ifacename + " " + node.Address + "/24", true)
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}
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var nodeport int
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nodeport = int(node.ListenPort)
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conf := wgtypes.Config{}
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if nodecfg.UDPHolePunch == "yes" &&
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nodecfg.IsServer == "no" &&
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nodecfg.IsIngressGateway != "yes" &&
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nodecfg.IsStatic != "yes" {
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conf = wgtypes.Config{
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PrivateKey: &key,
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ReplacePeers: true,
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Peers: peers,
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}
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} else {
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conf = wgtypes.Config{
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PrivateKey: &key,
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ListenPort: &nodeport,
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ReplacePeers: true,
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Peers: peers,
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}
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}
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if netclientutils.IsWindows() {
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var newConf string
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if node.UDPHolePunch != "yes" {
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newConf, _ = netclientutils.CreateUserSpaceConf(node.Address, key.String(), strconv.FormatInt(int64(node.ListenPort), 10), node.MTU, node.PersistentKeepalive, peers)
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} else {
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newConf, _ = netclientutils.CreateUserSpaceConf(node.Address, key.String(), "", node.MTU, node.PersistentKeepalive, peers)
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}
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confPath := netclientutils.GetNetclientPathSpecific() + node.Interface + ".conf"
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err = ioutil.WriteFile(confPath, []byte(newConf), 0644)
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if err != nil {
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return err
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}
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// spin up userspace / windows interface + apply the conf file
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err := local.RemoveWindowsConf(node.Interface) // remove interface first
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if err != nil {
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log.Println("attempted to remove pre-existing windows interface before updating")
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}
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local.ApplyWindowsConf(confPath)
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} else {
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ipExec, err := exec.LookPath("ip")
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if err != nil {
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return err
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}
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_, err = wgclient.Device(ifacename)
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if err != nil {
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if os.IsNotExist(err) {
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fmt.Println("Device does not exist: ")
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fmt.Println(err)
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} else {
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log.Fatalf("Unknown config error: %v", err)
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}
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}
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err = wgclient.ConfigureDevice(ifacename, conf)
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if err != nil {
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if os.IsNotExist(err) {
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fmt.Println("Device does not exist: ")
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fmt.Println(err)
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} else {
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fmt.Printf("This is inconvenient: %v", err)
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}
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}
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//=========DNS Setup==========\\
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if nodecfg.DNSOn == "yes" {
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_ = local.UpdateDNS(ifacename, network, nameserver)
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}
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//=========End DNS Setup=======\\
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if _, err := local.RunCmd(ipExec + " link set down dev " + ifacename, false); err != nil {
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netclientutils.Log("attempted to remove interface before editing")
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return err
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}
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if nodecfg.PostDown != "" {
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runcmds := strings.Split(nodecfg.PostDown, "; ")
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err = local.RunCmds(runcmds, true)
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}
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// set MTU of node interface
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if _, err := local.RunCmd(ipExec + " link set mtu " + strconv.Itoa(int(nodecfg.MTU)) + " up dev " + ifacename, true); err != nil {
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netclientutils.Log("failed to create interface with mtu " + ifacename)
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return err
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}
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if nodecfg.PostUp != "" {
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runcmds := strings.Split(nodecfg.PostUp, "; ")
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err = local.RunCmds(runcmds, true)
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}
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if hasGateway {
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for _, gateway := range gateways {
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_, _ = local.RunCmd(ipExec + " -4 route add " + gateway + " dev " + ifacename, true)
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}
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}
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if node.Address6 != "" && node.IsDualStack == "yes" {
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log.Println("[netclient] adding address: " + node.Address6, 1)
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_, _ = local.RunCmd(ipExec + " address add dev " + ifacename + " " + node.Address6 + "/64", true)
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}
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}
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return err
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}
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func SetWGKeyConfig(network string, serveraddr string) error {
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cfg, err := config.ReadConfig(network)
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if err != nil {
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return err
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}
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node := cfg.Node
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privatekey, err := wgtypes.GeneratePrivateKey()
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if err != nil {
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return err
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}
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privkeystring := privatekey.String()
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publickey := privatekey.PublicKey()
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node.PublicKey = publickey.String()
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err = StorePrivKey(privkeystring, network)
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if err != nil {
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return err
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}
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if node.Action == models.NODE_UPDATE_KEY {
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node.Action = models.NODE_NOOP
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}
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err = config.ModConfig(&node)
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if err != nil {
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return err
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}
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err = SetWGConfig(network, false)
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if err != nil {
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return err
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}
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return err
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}
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func SetWGConfig(network string, peerupdate bool) error {
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cfg, err := config.ReadConfig(network)
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if err != nil {
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return err
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}
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servercfg := cfg.Server
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nodecfg := cfg.Node
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peers, hasGateway, gateways, err := server.GetPeers(nodecfg.MacAddress, nodecfg.Network, servercfg.GRPCAddress, nodecfg.IsDualStack == "yes", nodecfg.IsIngressGateway == "yes")
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if err != nil {
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return err
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}
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privkey, err := RetrievePrivKey(network)
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if err != nil {
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return err
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}
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if peerupdate {
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err = SetPeers(nodecfg.Interface, nodecfg.PersistentKeepalive, peers)
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} else {
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err = InitWireguard(&nodecfg, privkey, peers, hasGateway, gateways)
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}
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if err != nil {
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return err
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}
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return err
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}
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func SetPeers(iface string, keepalive int32, peers []wgtypes.PeerConfig) error {
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client, err := wgctrl.New()
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if err != nil {
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log.Println("failed to start wgctrl")
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return err
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}
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device, err := client.Device(iface)
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if err != nil {
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log.Println("failed to parse interface")
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return err
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}
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devicePeers := device.Peers
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if len(devicePeers) > 1 && len(peers) == 0 {
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log.Println("no peers pulled")
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return err
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}
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for _, peer := range peers {
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for _, currentPeer := range devicePeers {
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if currentPeer.AllowedIPs[0].String() == peer.AllowedIPs[0].String() &&
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currentPeer.PublicKey.String() != peer.PublicKey.String() {
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_, err := local.RunCmd("wg set " + iface + " peer " + currentPeer.PublicKey.String() + " remove", true)
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if err != nil {
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log.Println("error removing peer", peer.Endpoint.String())
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}
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}
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}
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udpendpoint := peer.Endpoint.String()
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var allowedips string
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var iparr []string
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for _, ipaddr := range peer.AllowedIPs {
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iparr = append(iparr, ipaddr.String())
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}
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allowedips = strings.Join(iparr, ",")
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keepAliveString := strconv.Itoa(int(keepalive))
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if keepAliveString == "0" {
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keepAliveString = "5"
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}
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if peer.Endpoint != nil {
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_, err = local.RunCmd("wg set " + iface + " peer " + peer.PublicKey.String() +
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" endpoint " + udpendpoint +
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" persistent-keepalive " + keepAliveString +
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" allowed-ips " + allowedips, true)
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} else {
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_, err = local.RunCmd("wg set " + iface + " peer " + peer.PublicKey.String() +
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" persistent-keepalive " + keepAliveString +
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" allowed-ips " + allowedips, true)
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}
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if err != nil {
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log.Println("error setting peer", peer.PublicKey.String())
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}
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}
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for _, currentPeer := range devicePeers {
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shouldDelete := true
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for _, peer := range peers {
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if peer.AllowedIPs[0].String() == currentPeer.AllowedIPs[0].String() {
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shouldDelete = false
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}
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}
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if shouldDelete {
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output, err := local.RunCmd("wg set " + iface + " peer " + currentPeer.PublicKey.String() + " remove", true)
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if err != nil {
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log.Println(output, "error removing peer", currentPeer.PublicKey.String())
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}
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}
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}
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_, _ = ncutils.RunCmd("ip link delete dev "+ifacename, false)
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_, _ = ncutils.RunCmd(ipExec+" link add dev "+ifacename+" type wireguard", true)
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_, _ = ncutils.RunCmd(ipExec+" address add dev "+ifacename+" "+address+"/24", true)
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return nil
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}
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func StorePrivKey(key string, network string) error {
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d1 := []byte(key)
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err := ioutil.WriteFile(netclientutils.GetNetclientPathSpecific()+"wgkey-"+network, d1, 0644)
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return err
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}
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func RetrievePrivKey(network string) (string, error) {
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dat, err := ioutil.ReadFile(netclientutils.GetNetclientPathSpecific() + "wgkey-" + network)
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return string(dat), err
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}
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