cmd/geth: make authrpc listening address settable from command line (#24522)

The default listening address "localhost" is not sufficient when running
geth in Docker.

cmd/geth/main.go

@@ -165,6 +165,7 @@ var (
 		utils.HTTPListenAddrFlag,
 		utils.HTTPPortFlag,
 		utils.HTTPCORSDomainFlag,
+		utils.AuthHostFlag,
 		utils.AuthPortFlag,
 		utils.JWTSecretFlag,
 		utils.HTTPVirtualHostsFlag,

cmd/geth/usage.go

@@ -136,7 +136,6 @@ var AppHelpFlagGroups = []flags.FlagGroup{
 		Flags: []cli.Flag{
 			utils.IPCDisabledFlag,
 			utils.IPCPathFlag,
-			utils.JWTSecretFlag,
 			utils.HTTPEnabledFlag,
 			utils.HTTPListenAddrFlag,
 			utils.HTTPPortFlag,
@@ -150,6 +149,9 @@ var AppHelpFlagGroups = []flags.FlagGroup{
 			utils.WSApiFlag,
 			utils.WSPathPrefixFlag,
 			utils.WSAllowedOriginsFlag,
+			utils.JWTSecretFlag,
+			utils.AuthHostFlag,
+			utils.AuthPortFlag,
 			utils.GraphQLEnabledFlag,
 			utils.GraphQLCORSDomainFlag,
 			utils.GraphQLVirtualHostsFlag,

cmd/utils/flags.go

@@ -522,11 +522,16 @@ var (
 		Usage: "Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap)",
 		Value: ethconfig.Defaults.RPCTxFeeCap,
 	}
-	// Authenticated port settings
+	// Authenticated RPC HTTP settings
+	AuthHostFlag = cli.StringFlag{
+		Name:  "authrpc.host",
+		Usage: "Listening address for authenticated APIs",
+		Value: node.DefaultConfig.AuthHost,
+	}
 	AuthPortFlag = cli.IntFlag{
 		Name:  "authrpc.port",
 		Usage: "Listening port for authenticated APIs",
-		Value: node.DefaultAuthPort,
+		Value: node.DefaultConfig.AuthPort,
 	}
 	JWTSecretFlag = cli.StringFlag{
 		Name:  "authrpc.jwtsecret",
@@ -965,6 +970,9 @@ func setHTTP(ctx *cli.Context, cfg *node.Config) {
 		cfg.HTTPPort = ctx.GlobalInt(HTTPPortFlag.Name)
 	}
 
+	if ctx.GlobalIsSet(AuthHostFlag.Name) {
+		cfg.AuthHost = ctx.GlobalString(AuthHostFlag.Name)
+	}
 	if ctx.GlobalIsSet(AuthPortFlag.Name) {
 		cfg.AuthPort = ctx.GlobalInt(AuthPortFlag.Name)
 	}