mirror of
https://github.com/gravitl/netmaker.git
synced 2024-09-21 15:56:07 +08:00
129 lines
3.2 KiB
Go
129 lines
3.2 KiB
Go
package wireguard
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import (
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"fmt"
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"log"
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"os"
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"regexp"
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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/ncutils"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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)
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// SetWGKeyConfig - sets the wg conf with a new private key
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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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// ApplyWGQuickConf - applies wg-quick commands if os supports
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func ApplyWGQuickConf(confPath string, ifacename string) error {
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if ncutils.IsWindows() {
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return ApplyWindowsConf(confPath)
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} else {
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_, err := os.Stat(confPath)
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if err != nil {
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ncutils.Log(confPath + " does not exist " + err.Error())
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return err
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}
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if ncutils.IfaceExists(ifacename) {
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ncutils.RunCmd("wg-quick down "+confPath, true)
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}
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_, err = ncutils.RunCmd("wg-quick up "+confPath, true)
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return err
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}
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}
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// ApplyMacOSConf - applies system commands similar to wg-quick using golang for MacOS
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func ApplyMacOSConf(node *models.Node, ifacename string, confPath string) error {
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var err error
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_ = WgQuickDownMac(node, ifacename)
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err = WgQuickUpMac(node, ifacename, confPath)
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return err
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}
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// SyncWGQuickConf - formats config file and runs sync command
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func SyncWGQuickConf(iface string, confPath string) error {
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var tmpConf = confPath + ".sync.tmp"
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var confCmd = "wg-quick strip "
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if ncutils.IsMac() {
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confCmd = "grep -v -e Address -e MTU -e PostUp -e PostDown "
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}
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confRaw, err := ncutils.RunCmd(confCmd+confPath, false)
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if err != nil {
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return err
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}
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regex := regexp.MustCompile(".*Warning.*\n")
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conf := regex.ReplaceAllString(confRaw, "")
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err = os.WriteFile(tmpConf, []byte(conf), 0600)
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if err != nil {
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return err
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}
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_, err = ncutils.RunCmd("wg syncconf "+iface+" "+tmpConf, true)
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if err != nil {
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log.Println(err.Error())
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ncutils.Log("error syncing conf, resetting")
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err = ApplyWGQuickConf(confPath, iface)
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}
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errN := os.Remove(tmpConf)
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if errN != nil {
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ncutils.Log(errN.Error())
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}
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return err
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}
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// RemoveWGQuickConf - calls wg-quick down
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func RemoveWGQuickConf(confPath string, printlog bool) error {
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_, err := ncutils.RunCmd(fmt.Sprintf("wg-quick down %s", confPath), printlog)
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return err
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}
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// StorePrivKey - stores wg priv key on disk locally
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func StorePrivKey(key string, network string) error {
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var err error
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d1 := []byte(key)
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err = os.WriteFile(ncutils.GetNetclientPathSpecific()+"wgkey-"+network, d1, 0600)
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return err
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}
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// RetrievePrivKey - reads wg priv key from local disk
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func RetrievePrivKey(network string) (string, error) {
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dat, err := ncutils.GetFileWithRetry(ncutils.GetNetclientPathSpecific()+"wgkey-"+network, 2)
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return string(dat), err
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}
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