Lua: Sandbox by default (whitelisted functions); Disable inline scripts for now; Add more checks for security reasons (#7136)

https://github.com/XTLS/Xray-core/pull/7136#issuecomment-6158632073
https://github.com/XTLS/Xray-core/pull/7136#issuecomment-6170831601
https://github.com/XTLS/Xray-core/pull/7136#issuecomment-6184362904

main/commands/base/env.go

@@ -4,6 +4,8 @@ package base
 type CommandEnvHolder struct {
 	// Executable name of current binary
 	Exec string
+	// Full name of the command being executed
+	CommandName string
 	// commands column width of current command
 	CommandsWidth int
 }

main/commands/base/execute.go

@@ -61,6 +61,7 @@ BigCmdLoop:
 			}
 
 			buildCommandText(cmd)
+			CommandEnv.CommandName = cmdName
 			cmd.Run(cmd, args)
 			Exit()
 			return