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path: root/gnu/packages/patches/yggdrasil-extra-config.patch
blob: c21ca29a840138726fe4c6b71ec5c742a677964e (plain)
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diff --git a/cmd/yggdrasil/main.go b/cmd/yggdrasil/main.go
index 813e950..08d35cc 100644
--- a/cmd/yggdrasil/main.go
+++ b/cmd/yggdrasil/main.go
@@ -40,11 +40,12 @@ type node struct {
 	admin     module.Module // admin.AdminSocket
 }
 
-func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *config.NodeConfig {
+func readConfig(useconf *bool, useconffile *string, extraconffile *string, normaliseconf *bool) *config.NodeConfig {
 	// Use a configuration file. If -useconf, the configuration will be read
 	// from stdin. If -useconffile, the configuration will be read from the
 	// filesystem.
 	var conf []byte
+	var extraconf []byte
 	var err error
 	if *useconffile != "" {
 		// Read the file from the filesystem
@@ -56,6 +57,21 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *config
 	if err != nil {
 		panic(err)
 	}
+	if *extraconffile != "" {
+		extraconf, err = ioutil.ReadFile(*extraconffile);
+	}
+	if err != nil {
+		panic(err)
+	}
+	// Generate a new configuration - this gives us a set of sane defaults -
+	// then parse the configuration we loaded above on top of it. The effect
+	// of this is that any configuration item that is missing from the provided
+	// configuration will use a sane default.
+	cfg := config.GenerateConfig()
+	var confs [2][]byte
+	confs[0]=conf
+	confs[1]=extraconf
+	for _, conf := range confs { if len(conf)>0 {
 	// If there's a byte order mark - which Windows 10 is now incredibly fond of
 	// throwing everywhere when it's converting things into UTF-16 for the hell
 	// of it - remove it and decode back down into UTF-8. This is necessary
@@ -69,11 +85,6 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *config
 			panic(err)
 		}
 	}
-	// Generate a new configuration - this gives us a set of sane defaults -
-	// then parse the configuration we loaded above on top of it. The effect
-	// of this is that any configuration item that is missing from the provided
-	// configuration will use a sane default.
-	cfg := config.GenerateConfig()
 	var dat map[string]interface{}
 	if err := hjson.Unmarshal(conf, &dat); err != nil {
 		panic(err)
@@ -112,6 +123,7 @@ func readConfig(useconf *bool, useconffile *string, normaliseconf *bool) *config
 	if err = mapstructure.Decode(dat, &cfg); err != nil {
 		panic(err)
 	}
+	}}
 	return cfg
 }
 
@@ -164,6 +176,7 @@ func main() {
 	genconf := flag.Bool("genconf", false, "print a new config to stdout")
 	useconf := flag.Bool("useconf", false, "read HJSON/JSON config from stdin")
 	useconffile := flag.String("useconffile", "", "read HJSON/JSON config from specified file path")
+	extraconffile := flag.String("extraconffile", "", "extra (usually private) HJSON/JSON config from specified file path")
 	normaliseconf := flag.Bool("normaliseconf", false, "use in combination with either -useconf or -useconffile, outputs your configuration normalised")
 	confjson := flag.Bool("json", false, "print configuration from -genconf or -normaliseconf as JSON instead of HJSON")
 	autoconf := flag.Bool("autoconf", false, "automatic mode (dynamic IP, peer with IPv6 neighbors)")
@@ -187,7 +200,7 @@ func main() {
 		cfg = config.GenerateConfig()
 	case *useconffile != "" || *useconf:
 		// Read the configuration from either stdin or from the filesystem
-		cfg = readConfig(useconf, useconffile, normaliseconf)
+		cfg = readConfig(useconf, useconffile, extraconffile, normaliseconf)
 		// If the -normaliseconf option was specified then remarshal the above
 		// configuration and print it back to stdout. This lets the user update
 		// their configuration file with newly mapped names (like above) or to
@@ -332,7 +345,7 @@ func main() {
 			goto exit
 		case _ = <-r:
 			if *useconffile != "" {
-				cfg = readConfig(useconf, useconffile, normaliseconf)
+				cfg = readConfig(useconf, useconffile, extraconffile, normaliseconf)
 				logger.Infoln("Reloading configuration from", *useconffile)
 				n.core.UpdateConfig(cfg)
 				n.tuntap.UpdateConfig(cfg)