mirror of
https://github.com/gravitl/netmaker.git
synced 2025-11-01 00:49:04 +08:00
316 lines
8.5 KiB
Go
316 lines
8.5 KiB
Go
package config
|
|
|
|
import (
|
|
"crypto/ed25519"
|
|
"crypto/x509"
|
|
"crypto/x509/pkix"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"sync"
|
|
|
|
"github.com/gravitl/netmaker/logger"
|
|
"github.com/gravitl/netmaker/models"
|
|
"github.com/gravitl/netmaker/netclient/ncutils"
|
|
"github.com/urfave/cli/v2"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
var (
|
|
configLock sync.Mutex
|
|
)
|
|
|
|
// ClientConfig - struct for dealing with client configuration
|
|
type ClientConfig struct {
|
|
Server models.ServerConfig `yaml:"server"`
|
|
Node models.Node `yaml:"node"`
|
|
NetworkSettings models.Network `yaml:"networksettings"`
|
|
Network string `yaml:"network"`
|
|
Daemon string `yaml:"daemon"`
|
|
OperatingSystem string `yaml:"operatingsystem"`
|
|
AccessKey string `yaml:"accesskey"`
|
|
}
|
|
|
|
// RegisterRequest - struct for registation with netmaker server
|
|
type RegisterRequest struct {
|
|
Key ed25519.PrivateKey
|
|
CommonName pkix.Name
|
|
}
|
|
|
|
// RegisterResponse - the response to register function
|
|
type RegisterResponse struct {
|
|
CA x509.Certificate
|
|
CAPubKey ed25519.PublicKey
|
|
Cert x509.Certificate
|
|
CertPubKey ed25519.PublicKey
|
|
Broker string
|
|
Port string
|
|
}
|
|
|
|
// Write - writes the config of a client to disk
|
|
func Write(config *ClientConfig, network string) error {
|
|
configLock.Lock()
|
|
defer configLock.Unlock()
|
|
if network == "" {
|
|
err := errors.New("no network provided - exiting")
|
|
return err
|
|
}
|
|
_, err := os.Stat(ncutils.GetNetclientPath() + "/config")
|
|
if os.IsNotExist(err) {
|
|
os.MkdirAll(ncutils.GetNetclientPath()+"/config", 0700)
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
|
|
file := fmt.Sprintf(home + "netconfig-" + network)
|
|
f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close()
|
|
|
|
err = yaml.NewEncoder(f).Encode(config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return f.Sync()
|
|
}
|
|
|
|
// ConfigFileExists - return true if config file exists
|
|
func (config *ClientConfig) ConfigFileExists() bool {
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
|
|
file := fmt.Sprintf(home + "netconfig-" + config.Network)
|
|
info, err := os.Stat(file)
|
|
if os.IsNotExist(err) {
|
|
return false
|
|
}
|
|
return !info.IsDir()
|
|
}
|
|
|
|
// ClientConfig.ReadConfig - used to read config from client disk into memory
|
|
func (config *ClientConfig) ReadConfig() {
|
|
|
|
nofile := false
|
|
//home, err := homedir.Dir()
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
|
|
file := fmt.Sprintf(home + "netconfig-" + config.Network)
|
|
//f, err := os.Open(file)
|
|
f, err := os.OpenFile(file, os.O_RDONLY, 0600)
|
|
if err != nil {
|
|
logger.Log(1, "trouble opening file: ", err.Error())
|
|
nofile = true
|
|
//fmt.Println("Could not access " + home + "/.netconfig, proceeding...")
|
|
}
|
|
defer f.Close()
|
|
|
|
//var cfg ClientConfig
|
|
|
|
if !nofile {
|
|
decoder := yaml.NewDecoder(f)
|
|
err = decoder.Decode(&config)
|
|
if err != nil {
|
|
fmt.Println("no config or invalid")
|
|
fmt.Println(err)
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// ModNodeConfig - overwrites the node inside client config on disk
|
|
func ModNodeConfig(node *models.Node) error {
|
|
network := node.Network
|
|
if network == "" {
|
|
return errors.New("no network provided")
|
|
}
|
|
var modconfig ClientConfig
|
|
if FileExists(ncutils.GetNetclientPathSpecific() + "netconfig-" + network) {
|
|
useconfig, err := ReadConfig(network)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
modconfig = *useconfig
|
|
}
|
|
|
|
modconfig.Node = (*node)
|
|
modconfig.NetworkSettings = node.NetworkSettings
|
|
return Write(&modconfig, network)
|
|
}
|
|
|
|
// ModNodeConfig - overwrites the server settings inside client config on disk
|
|
func ModServerConfig(scfg *models.ServerConfig, network string) error {
|
|
var modconfig ClientConfig
|
|
if FileExists(ncutils.GetNetclientPathSpecific() + "netconfig-" + network) {
|
|
useconfig, err := ReadConfig(network)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
modconfig = *useconfig
|
|
}
|
|
|
|
modconfig.Server = (*scfg)
|
|
return Write(&modconfig, network)
|
|
}
|
|
|
|
// SaveBackup - saves a backup file of a given network
|
|
func SaveBackup(network string) error {
|
|
|
|
var configPath = ncutils.GetNetclientPathSpecific() + "netconfig-" + network
|
|
var backupPath = ncutils.GetNetclientPathSpecific() + "backup.netconfig-" + network
|
|
if FileExists(configPath) {
|
|
input, err := os.ReadFile(configPath)
|
|
if err != nil {
|
|
logger.Log(0, "failed to read ", configPath, " to make a backup")
|
|
return err
|
|
}
|
|
if err = os.WriteFile(backupPath, input, 0600); err != nil {
|
|
logger.Log(0, "failed to copy backup to ", backupPath)
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ReplaceWithBackup - replaces netconfig file with backup
|
|
func ReplaceWithBackup(network string) error {
|
|
var backupPath = ncutils.GetNetclientPathSpecific() + "backup.netconfig-" + network
|
|
var configPath = ncutils.GetNetclientPathSpecific() + "netconfig-" + network
|
|
if FileExists(backupPath) {
|
|
input, err := os.ReadFile(backupPath)
|
|
if err != nil {
|
|
logger.Log(0, "failed to read file ", backupPath, " to backup network: ", network)
|
|
return err
|
|
}
|
|
if err = os.WriteFile(configPath, input, 0600); err != nil {
|
|
logger.Log(0, "failed backup ", backupPath, " to ", configPath)
|
|
return err
|
|
}
|
|
}
|
|
logger.Log(0, "used backup file for network: ", network)
|
|
return nil
|
|
}
|
|
|
|
// GetCLIConfig - gets the cli flags as a config
|
|
func GetCLIConfig(c *cli.Context) (ClientConfig, string, error) {
|
|
var cfg ClientConfig
|
|
if c.String("token") != "" {
|
|
accesstoken, err := ParseAccessToken(c.String("token"))
|
|
if err != nil {
|
|
return cfg, "", err
|
|
}
|
|
cfg.Network = accesstoken.ClientConfig.Network
|
|
cfg.Node.Network = accesstoken.ClientConfig.Network
|
|
cfg.AccessKey = accesstoken.ClientConfig.Key
|
|
cfg.Node.LocalRange = accesstoken.ClientConfig.LocalRange
|
|
//cfg.Server.Server = accesstoken.ServerConfig.Server
|
|
cfg.Server.API = accesstoken.APIConnString
|
|
if c.String("key") != "" {
|
|
cfg.AccessKey = c.String("key")
|
|
}
|
|
if c.String("network") != "all" {
|
|
cfg.Network = c.String("network")
|
|
cfg.Node.Network = c.String("network")
|
|
}
|
|
if c.String("localrange") != "" {
|
|
cfg.Node.LocalRange = c.String("localrange")
|
|
}
|
|
if c.String("corednsaddr") != "" {
|
|
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
|
|
}
|
|
if c.String("apiserver") != "" {
|
|
cfg.Server.API = c.String("apiserver")
|
|
}
|
|
} else {
|
|
cfg.AccessKey = c.String("key")
|
|
cfg.Network = c.String("network")
|
|
cfg.Node.Network = c.String("network")
|
|
cfg.Node.LocalRange = c.String("localrange")
|
|
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
|
|
cfg.Server.API = c.String("apiserver")
|
|
}
|
|
cfg.Node.Name = c.String("name")
|
|
cfg.Node.Interface = c.String("interface")
|
|
cfg.Node.Password = c.String("password")
|
|
cfg.Node.MacAddress = c.String("macaddress")
|
|
cfg.Node.LocalAddress = c.String("localaddress")
|
|
cfg.Node.Address = c.String("address")
|
|
cfg.Node.Address6 = c.String("address6")
|
|
//cfg.Node.Roaming = c.String("roaming")
|
|
cfg.Node.DNSOn = c.String("dnson")
|
|
cfg.Node.IsLocal = c.String("islocal")
|
|
cfg.Node.IsStatic = c.String("isstatic")
|
|
cfg.Node.PostUp = c.String("postup")
|
|
cfg.Node.PostDown = c.String("postdown")
|
|
cfg.Node.ListenPort = int32(c.Int("port"))
|
|
cfg.Node.PersistentKeepalive = int32(c.Int("keepalive"))
|
|
cfg.Node.PublicKey = c.String("publickey")
|
|
privateKey := c.String("privatekey")
|
|
cfg.Node.Endpoint = c.String("endpoint")
|
|
cfg.Node.IPForwarding = c.String("ipforwarding")
|
|
cfg.OperatingSystem = c.String("operatingsystem")
|
|
cfg.Daemon = c.String("daemon")
|
|
cfg.Node.UDPHolePunch = c.String("udpholepunch")
|
|
cfg.Node.MTU = int32(c.Int("mtu"))
|
|
|
|
return cfg, privateKey, nil
|
|
}
|
|
|
|
// ReadConfig - reads a config of a client from disk for specified network
|
|
func ReadConfig(network string) (*ClientConfig, error) {
|
|
if network == "" {
|
|
err := errors.New("no network provided - exiting")
|
|
return nil, err
|
|
}
|
|
nofile := false
|
|
home := ncutils.GetNetclientPathSpecific()
|
|
file := fmt.Sprintf(home + "netconfig-" + network)
|
|
f, err := os.Open(file)
|
|
|
|
if err != nil {
|
|
if err = ReplaceWithBackup(network); err != nil {
|
|
nofile = true
|
|
}
|
|
f, err = os.Open(file)
|
|
if err != nil {
|
|
nofile = true
|
|
}
|
|
}
|
|
defer f.Close()
|
|
|
|
var cfg ClientConfig
|
|
|
|
if !nofile {
|
|
decoder := yaml.NewDecoder(f)
|
|
err = decoder.Decode(&cfg)
|
|
if err != nil {
|
|
fmt.Println("trouble decoding file")
|
|
return nil, err
|
|
}
|
|
}
|
|
return &cfg, err
|
|
}
|
|
|
|
// FileExists - checks if a file exists on disk
|
|
func FileExists(f string) bool {
|
|
info, err := os.Stat(f)
|
|
if os.IsNotExist(err) {
|
|
return false
|
|
}
|
|
return !info.IsDir()
|
|
}
|
|
|
|
// GetNode - parses a network specified client config for node data
|
|
func GetNode(network string) models.Node {
|
|
|
|
modcfg, err := ReadConfig(network)
|
|
if err != nil {
|
|
log.Fatalf("Error: %v", err)
|
|
}
|
|
var node models.Node
|
|
node.Fill(&modcfg.Node)
|
|
|
|
return node
|
|
}
|