cwinfo/yggdrasil-go
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Fix some issues with hjson by converting to json then parsing to go struct, and remove useconffile option since it doesn't seem to add anything over stdin and increases the attack surface

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This commit is contained in:
Arceliar 2018-05-26 20:40:19 -05:00
parent 71d3a2b187
commit fcaabe4aac
1 changed files with 10 additions and 11 deletions
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21
yggdrasil.go
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@ -1,5 +1,6 @@
package main package main
import "encoding/json"
import "encoding/hex" import "encoding/hex"
import "flag" import "flag"
import "fmt" import "fmt"
@ -91,11 +92,9 @@ func generateConfig(isAutoconf bool) *nodeConfig {
cfg := nodeConfig{} cfg := nodeConfig{}
if isAutoconf { if isAutoconf {
cfg.Listen = "[::]:0" cfg.Listen = "[::]:0"
cfg.MulticastInterfaces = []string{".*"}
} else { } else {
r1 := rand.New(rand.NewSource(time.Now().UnixNano())) r1 := rand.New(rand.NewSource(time.Now().UnixNano()))
cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768) cfg.Listen = fmt.Sprintf("[::]:%d", r1.Intn(65534-32768)+32768)
cfg.MulticastInterfaces = []string{}
} }
cfg.AdminListen = "[::1]:9001" cfg.AdminListen = "[::1]:9001"
cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:]) cfg.EncryptionPublicKey = hex.EncodeToString(bpub[:])
@ -104,6 +103,7 @@ func generateConfig(isAutoconf bool) *nodeConfig {
cfg.SigningPrivateKey = hex.EncodeToString(spriv[:]) cfg.SigningPrivateKey = hex.EncodeToString(spriv[:])
cfg.Peers = []string{} cfg.Peers = []string{}
cfg.AllowedEncryptionPublicKeys = []string{} cfg.AllowedEncryptionPublicKeys = []string{}
cfg.MulticastInterfaces = []string{".*"}
cfg.IfName = core.DEBUG_GetTUNDefaultIfName() cfg.IfName = core.DEBUG_GetTUNDefaultIfName()
cfg.IfMTU = core.DEBUG_GetTUNDefaultIfMTU() cfg.IfMTU = core.DEBUG_GetTUNDefaultIfMTU()
cfg.IfTAPMode = core.DEBUG_GetTUNDefaultIfTAPMode() cfg.IfTAPMode = core.DEBUG_GetTUNDefaultIfTAPMode()
@ -113,7 +113,6 @@ func generateConfig(isAutoconf bool) *nodeConfig {
func doGenconf() string { func doGenconf() string {
cfg := generateConfig(false) cfg := generateConfig(false)
cfg.MulticastInterfaces = append(cfg.MulticastInterfaces, ".*")
bs, err := hjson.Marshal(cfg) bs, err := hjson.Marshal(cfg)
if err != nil { if err != nil {
panic(err) panic(err)
@ -124,8 +123,7 @@ func doGenconf() string {
var pprof = flag.Bool("pprof", false, "Run pprof, see http://localhost:6060/debug/pprof/") var pprof = flag.Bool("pprof", false, "Run pprof, see http://localhost:6060/debug/pprof/")
var genconf = flag.Bool("genconf", false, "print a new config to stdout") var genconf = flag.Bool("genconf", false, "print a new config to stdout")
var useconf = flag.Bool("useconf", false, "read config from stdin") var useconf = flag.Bool("useconf", false, "read config from stdin")
var useconffile = flag.String("useconffile", "", "read config from specified file path") var normaliseconf = flag.Bool("normaliseconf", false, "use in combination with -useconf, outputs your configuration normalised")
var normaliseconf = flag.Bool("normaliseconf", false, "use in combination with either -useconf or -useconffile, outputs your configuration normalised")
var autoconf = flag.Bool("autoconf", false, "automatic mode (dynamic IP, peer with IPv6 neighbors)") var autoconf = flag.Bool("autoconf", false, "automatic mode (dynamic IP, peer with IPv6 neighbors)")
func main() { func main() {
@ -134,14 +132,10 @@ func main() {
switch { switch {
case *autoconf: case *autoconf:
cfg = generateConfig(true) cfg = generateConfig(true)
case *useconffile != "" || *useconf: case *useconf:
var config []byte var config []byte
var err error var err error
if *useconffile != "" { config, err = ioutil.ReadAll(os.Stdin)
config, err = ioutil.ReadFile(*useconffile)
} else {
config, err = ioutil.ReadAll(os.Stdin)
}
if err != nil { if err != nil {
panic(err) panic(err)
} }
@ -150,6 +144,11 @@ func main() {
if err := hjson.Unmarshal(config, &dat); err != nil { if err := hjson.Unmarshal(config, &dat); err != nil {
panic(err) panic(err)
} }
confJson, err := json.Marshal(dat)
if err != nil {
panic(err)
}
json.Unmarshal(confJson, &cfg)
// For now we will do a little bit to help the user adjust their // For now we will do a little bit to help the user adjust their
// configuration to match the new configuration format // configuration to match the new configuration format
changes := map[string]string{ changes := map[string]string{