netmaker/netclient/config/config.go
2021-07-25 20:05:31 +00:00

598 lines
16 KiB
Go

package config
import (
//"github.com/davecgh/go-spew/spew"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"log"
"os"
nodepb "github.com/gravitl/netmaker/grpc"
"github.com/gravitl/netmaker/models"
"github.com/urfave/cli/v2"
"gopkg.in/yaml.v3"
)
type GlobalConfig struct {
GRPCWireGuard string `yaml:"grpcwg"`
Client models.IntClient
}
type ClientConfig struct {
Server ServerConfig `yaml:"server"`
Node NodeConfig `yaml:"node"`
Network string `yaml:"network"`
Daemon string `yaml:"daemon"`
OperatingSystem string `yaml:"operatingsystem"`
}
type ServerConfig struct {
CoreDNSAddr string `yaml:"corednsaddr"`
GRPCAddress string `yaml:"grpcaddress"`
APIAddress string `yaml:"apiaddress"`
AccessKey string `yaml:"accesskey"`
GRPCSSL string `yaml:"grpcssl"`
GRPCWireGuard string `yaml:"grpcwg"`
}
type ListConfig struct {
Name string `yaml:"name"`
Interface string `yaml:"interface"`
PrivateIPv4 string `yaml:"wgaddress"`
PrivateIPv6 string `yaml:"wgaddress6"`
PublicEndpoint string `yaml:"endpoint"`
}
type NodeConfig struct {
Name string `yaml:"name"`
Interface string `yaml:"interface"`
Network string `yaml:"network"`
Password string `yaml:"password"`
MacAddress string `yaml:"macaddress"`
LocalAddress string `yaml:"localaddress"`
WGAddress string `yaml:"wgaddress"`
WGAddress6 string `yaml:"wgaddress6"`
Roaming string `yaml:"roaming"`
DNS string `yaml:"dns"`
IsLocal string `yaml:"islocal"`
IsDualStack string `yaml:"isdualstack"`
IsIngressGateway string `yaml:"isingressgateway"`
LocalRange string `yaml:"localrange"`
PostUp string `yaml:"postup"`
PostDown string `yaml:"postdown"`
Port int32 `yaml:"port"`
KeepAlive int32 `yaml:"keepalive"`
PublicKey string `yaml:"publickey"`
ServerPubKey string `yaml:"serverpubkey"`
PrivateKey string `yaml:"privatekey"`
Endpoint string `yaml:"endpoint"`
PostChanges string `yaml:"postchanges"`
StaticIP string `yaml:"staticip"`
StaticPubKey string `yaml:"staticpubkey"`
IPForwarding string `yaml:"ipforwarding"`
UDPHolePunch string `yaml:"udpholepunch"`
SaveConfig string `yaml:"saveconfig"`
}
//reading in the env file
func Write(config *ClientConfig, network string) error {
if network == "" {
err := errors.New("No network provided. Exiting.")
return err
}
_, err := os.Stat("/etc/netclient")
if os.IsNotExist(err) {
os.Mkdir("/etc/netclient", 744)
} else if err != nil {
return err
}
home := "/etc/netclient"
file := fmt.Sprintf(home + "/netconfig-" + network)
f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
defer f.Close()
err = yaml.NewEncoder(f).Encode(config)
if err != nil {
return err
}
return err
}
//reading in the env file
func WriteGlobal(config *GlobalConfig) error {
_, err := os.Stat("/etc/netclient")
if os.IsNotExist(err) {
os.Mkdir("/etc/netclient", 744)
} else if err != nil {
return err
}
home := "/etc/netclient"
if err != nil {
log.Fatal(err)
}
file := fmt.Sprintf(home + "/netconfig-global-001")
f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
defer f.Close()
err = yaml.NewEncoder(f).Encode(config)
if err != nil {
return err
}
return err
}
func WriteServer(server string, accesskey string, network string) error {
if network == "" {
err := errors.New("No network provided. Exiting.")
return err
}
nofile := false
//home, err := homedir.Dir()
_, err := os.Stat("/etc/netclient")
if os.IsNotExist(err) {
os.Mkdir("/etc/netclient", 744)
} else if err != nil {
fmt.Println("couldnt find or create /etc/netclient")
return err
}
home := "/etc/netclient"
file := fmt.Sprintf(home + "/netconfig-" + network)
//f, err := os.Open(file)
f, err := os.OpenFile(file, os.O_CREATE|os.O_RDWR, 0666)
//f, err := ioutil.ReadFile(file)
if err != nil {
fmt.Println("couldnt open netconfig-" + network)
fmt.Println(err)
nofile = true
//err = nil
return err
}
defer f.Close()
//cfg := &ClientConfig{}
var cfg ClientConfig
if !nofile {
fmt.Println("Writing to existing config file at " + home + "/netconfig-" + network)
decoder := yaml.NewDecoder(f)
err = decoder.Decode(&cfg)
//err = yaml.Unmarshal(f, &cfg)
if err != nil {
//fmt.Println(err)
//return err
}
f.Close()
f, err = os.OpenFile(file, os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0666)
if err != nil {
fmt.Println("couldnt open netconfig")
fmt.Println(err)
nofile = true
//err = nil
return err
}
defer f.Close()
if err != nil {
fmt.Println("trouble opening file")
fmt.Println(err)
}
cfg.Server.GRPCAddress = server
cfg.Server.AccessKey = accesskey
err = yaml.NewEncoder(f).Encode(cfg)
//_, err = yaml.Marshal(f, &cfg)
if err != nil {
fmt.Println("trouble encoding file")
return err
}
} else {
fmt.Println("Creating new config file at " + home + "/netconfig-" + network)
cfg.Server.GRPCAddress = server
cfg.Server.AccessKey = accesskey
newf, err := os.Create(home + "/netconfig-" + network)
err = yaml.NewEncoder(newf).Encode(cfg)
defer newf.Close()
if err != nil {
return err
}
}
return err
}
func (config *ClientConfig) ReadConfig() {
nofile := false
//home, err := homedir.Dir()
home := "/etc/netclient"
file := fmt.Sprintf(home + "/netconfig-" + config.Network)
//f, err := os.Open(file)
f, err := os.OpenFile(file, os.O_RDONLY, 0666)
if err != nil {
fmt.Println("trouble opening file")
fmt.Println(err)
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)
} else {
//config = cfg
}
}
}
func ModGlobalConfig(cfg models.IntClient) error {
var modconfig GlobalConfig
var err error
if FileExists("/etc/netclient/netconfig-global-001") {
useconfig, err := ReadGlobalConfig()
if err != nil {
return err
}
modconfig = *useconfig
}
if cfg.ServerWGPort != "" {
modconfig.Client.ServerWGPort = cfg.ServerWGPort
}
if cfg.ServerGRPCPort != "" {
modconfig.Client.ServerGRPCPort = cfg.ServerGRPCPort
}
if cfg.ServerAPIPort != "" {
modconfig.Client.ServerAPIPort = cfg.ServerAPIPort
}
if cfg.PublicKey != "" {
modconfig.Client.PublicKey = cfg.PublicKey
}
if cfg.PrivateKey != "" {
modconfig.Client.PrivateKey = cfg.PrivateKey
}
if cfg.ServerPublicEndpoint != "" {
modconfig.Client.ServerPublicEndpoint = cfg.ServerPublicEndpoint
}
if cfg.ServerPrivateAddress != "" {
modconfig.Client.ServerPrivateAddress = cfg.ServerPrivateAddress
}
if cfg.Address != "" {
modconfig.Client.Address = cfg.Address
}
if cfg.Address6 != "" {
modconfig.Client.Address6 = cfg.Address6
}
if cfg.Network != "" {
modconfig.Client.Network = cfg.Network
}
if cfg.ServerKey != "" {
modconfig.Client.ServerKey = cfg.ServerKey
}
if cfg.AccessKey != "" {
modconfig.Client.AccessKey = cfg.AccessKey
}
if cfg.ClientID != "" {
modconfig.Client.ClientID = cfg.ClientID
}
err = WriteGlobal(&modconfig)
return err
}
func ModConfig(node *nodepb.Node) error {
network := node.Nodenetwork
if network == "" {
return errors.New("No Network Provided")
}
var modconfig ClientConfig
var err error
if FileExists("/etc/netclient/netconfig-" + network) {
useconfig, err := ReadConfig(network)
if err != nil {
return err
}
modconfig = *useconfig
}
nodecfg := modconfig.Node
if node.Name != "" {
nodecfg.Name = node.Name
}
if node.Interface != "" {
nodecfg.Interface = node.Interface
}
if node.Nodenetwork != "" {
nodecfg.Network = node.Nodenetwork
}
if node.Macaddress != "" {
nodecfg.MacAddress = node.Macaddress
}
if node.Localaddress != "" {
nodecfg.LocalAddress = node.Localaddress
}
if node.Postup != "" {
nodecfg.PostUp = node.Postup
}
if node.Postdown != "" {
nodecfg.PostDown = node.Postdown
}
if node.Listenport != 0 {
nodecfg.Port = node.Listenport
}
if node.Keepalive != 0 {
nodecfg.KeepAlive = node.Keepalive
}
if node.Publickey != "" {
nodecfg.PublicKey = node.Publickey
}
if node.Endpoint != "" {
nodecfg.Endpoint = node.Endpoint
}
if node.Password != "" {
nodecfg.Password = node.Password
}
if node.Address != "" {
nodecfg.WGAddress = node.Address
}
if node.Address6 != "" {
nodecfg.WGAddress6 = node.Address6
}
if node.Postchanges != "" {
nodecfg.PostChanges = node.Postchanges
}
if node.Dnsoff == true {
nodecfg.DNS = "off"
}
if node.Isdualstack == true {
nodecfg.IsDualStack = "yes"
}
if node.Udpholepunch != "" {
nodecfg.UDPHolePunch = node.Udpholepunch
}
if node.Saveconfig != "" {
nodecfg.SaveConfig = node.Saveconfig
}
if node.Isingressgateway {
nodecfg.IsIngressGateway = "yes"
} else {
nodecfg.IsIngressGateway = "no"
}
if node.Localrange != "" && node.Islocal {
nodecfg.IsLocal = "yes"
nodecfg.LocalRange = node.Localrange
}
modconfig.Node = nodecfg
err = Write(&modconfig, network)
return err
}
func GetCLIConfig(c *cli.Context) (ClientConfig, error) {
var cfg ClientConfig
if c.String("token") != "" {
tokenbytes, err := base64.StdEncoding.DecodeString(c.String("token"))
if err != nil {
log.Println("error decoding token")
return cfg, err
}
var accesstoken models.AccessToken
if err := json.Unmarshal(tokenbytes, &accesstoken); err != nil {
log.Println("error converting token json to object", tokenbytes)
return cfg, err
}
if accesstoken.ServerConfig.APIConnString != "" {
cfg.Server.APIAddress = accesstoken.ServerConfig.APIConnString
} else {
cfg.Server.APIAddress = accesstoken.ServerConfig.APIHost
if accesstoken.ServerConfig.APIPort != "" {
cfg.Server.APIAddress = cfg.Server.APIAddress + ":" + accesstoken.ServerConfig.APIPort
}
}
if accesstoken.ServerConfig.GRPCConnString != "" {
cfg.Server.GRPCAddress = accesstoken.ServerConfig.GRPCConnString
} else {
cfg.Server.GRPCAddress = accesstoken.ServerConfig.GRPCHost
if accesstoken.ServerConfig.GRPCPort != "" {
cfg.Server.GRPCAddress = cfg.Server.GRPCAddress + ":" + accesstoken.ServerConfig.GRPCPort
}
}
cfg.Network = accesstoken.ClientConfig.Network
cfg.Node.Network = accesstoken.ClientConfig.Network
cfg.Server.AccessKey = accesstoken.ClientConfig.Key
cfg.Node.LocalRange = accesstoken.ClientConfig.LocalRange
cfg.Server.GRPCSSL = accesstoken.ServerConfig.GRPCSSL
cfg.Server.GRPCWireGuard = accesstoken.WG.GRPCWireGuard
cfg.Server.CoreDNSAddr = accesstoken.ServerConfig.CoreDNSAddr
if c.String("grpcserver") != "" {
cfg.Server.GRPCAddress = c.String("grpcserver")
}
if c.String("apiserver") != "" {
cfg.Server.APIAddress = c.String("apiserver")
}
if c.String("key") != "" {
cfg.Server.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("grpcssl") != "" {
cfg.Server.GRPCSSL = c.String("grpcssl")
}
if c.String("corednsaddr") != "" {
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
}
if c.String("grpcwg") != "" {
cfg.Server.GRPCWireGuard = c.String("grpcwg")
}
} else {
cfg.Server.GRPCAddress = c.String("grpcserver")
cfg.Server.APIAddress = c.String("apiserver")
cfg.Server.AccessKey = c.String("key")
cfg.Network = c.String("network")
cfg.Node.Network = c.String("network")
cfg.Node.LocalRange = c.String("localrange")
cfg.Server.GRPCWireGuard = c.String("grpcwg")
cfg.Server.GRPCSSL = c.String("grpcssl")
cfg.Server.CoreDNSAddr = c.String("corednsaddr")
}
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.WGAddress = c.String("address")
cfg.Node.WGAddress6 = c.String("addressIPV6")
cfg.Node.Roaming = c.String("roaming")
cfg.Node.DNS = c.String("dns")
cfg.Node.IsLocal = c.String("islocal")
cfg.Node.IsDualStack = c.String("isdualstack")
cfg.Node.PostUp = c.String("postup")
cfg.Node.PostDown = c.String("postdown")
cfg.Node.Port = int32(c.Int("port"))
cfg.Node.KeepAlive = int32(c.Int("keepalive"))
cfg.Node.PublicKey = c.String("publickey")
cfg.Node.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")
return cfg, nil
}
func GetCLIConfigRegister(c *cli.Context) (GlobalConfig, error) {
var cfg GlobalConfig
if c.String("token") != "" {
tokenbytes, err := base64.StdEncoding.DecodeString(c.String("token"))
if err != nil {
log.Println("error decoding token")
return cfg, err
}
var accesstoken models.AccessToken
if err := json.Unmarshal(tokenbytes, &accesstoken); err != nil {
log.Println("error converting token json to object", tokenbytes)
return cfg, err
}
cfg.GRPCWireGuard = accesstoken.WG.GRPCWireGuard
cfg.Client.ServerPrivateAddress = accesstoken.WG.GRPCWGAddress
cfg.Client.ServerGRPCPort = accesstoken.WG.GRPCWGPort
if err != nil {
log.Println("error decoding token grpcserver")
return cfg, err
}
if err != nil {
log.Println("error decoding token apiserver")
return cfg, err
}
if accesstoken.ServerConfig.APIConnString != "" {
cfg.Client.ServerPublicEndpoint = accesstoken.ServerConfig.APIConnString
} else {
cfg.Client.ServerPublicEndpoint = accesstoken.ServerConfig.APIHost
if accesstoken.ServerConfig.APIPort != "" {
cfg.Client.ServerAPIPort = accesstoken.ServerConfig.APIPort
}
}
cfg.Client.ServerWGPort = accesstoken.WG.GRPCWGPort
cfg.Client.ServerKey = accesstoken.ClientConfig.Key
cfg.Client.ServerKey = accesstoken.WG.GRPCWGPubKey
if c.String("grpcserver") != "" {
cfg.Client.ServerPrivateAddress = c.String("grpcserver")
}
if c.String("apiserver") != "" {
cfg.Client.ServerPublicEndpoint = c.String("apiserver")
}
if c.String("pubkey") != "" {
cfg.Client.ServerKey = c.String("pubkey")
}
if c.String("network") != "all" {
cfg.Client.Network = c.String("network")
}
} else {
cfg.Client.ServerPrivateAddress = c.String("grpcserver")
cfg.Client.ServerPublicEndpoint = c.String("apiserver")
cfg.Client.ServerKey = c.String("key")
cfg.Client.Network = c.String("network")
}
cfg.Client.Address = c.String("address")
cfg.Client.Address6 = c.String("addressIPV6")
cfg.Client.PublicKey = c.String("pubkey")
cfg.Client.PrivateKey = c.String("privkey")
return cfg, nil
}
func ReadConfig(network string) (*ClientConfig, error) {
if network == "" {
err := errors.New("No network provided. Exiting.")
return nil, err
}
nofile := false
home := "/etc/netclient"
file := fmt.Sprintf(home + "/netconfig-" + network)
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
}
func ReadGlobalConfig() (*GlobalConfig, error) {
nofile := false
home := "/etc/netclient"
file := fmt.Sprintf(home + "/netconfig-global-001")
f, err := os.Open(file)
if err != nil {
nofile = true
}
defer f.Close()
var cfg GlobalConfig
if !nofile {
decoder := yaml.NewDecoder(f)
err = decoder.Decode(&cfg)
if err != nil {
fmt.Println("trouble decoding file")
return nil, err
}
}
return &cfg, err
}
func FileExists(f string) bool {
info, err := os.Stat(f)
if os.IsNotExist(err) {
return false
}
return !info.IsDir()
}