package main import ( "os" "github.com/AdguardTeam/golibs/log" goFlags "github.com/jessevdk/go-flags" ) // Options - command-line options type Options struct { Generate GenerateArgs `command:"generate" description:"Generates DNSCrypt server configuration"` LookupStamp LookupStampArgs `command:"lookup-stamp" description:"Performs a DNSCrypt lookup for the specified domain using an sdns:// stamp"` Lookup LookupArgs `command:"lookup" description:"Performs a DNSCrypt lookup for the specified domain"` Server ServerArgs `command:"server" description:"Runs a DNSCrypt resolver"` Version struct { } `command:"version" description:"Prints version"` } // VersionString will be set through ldflags, contains current version var VersionString = "1.0" func main() { var opts Options var parser = goFlags.NewParser(&opts, goFlags.Default) _, err := parser.Parse() if err != nil { if flagsErr, ok := err.(*goFlags.Error); ok && flagsErr.Type == goFlags.ErrHelp { os.Exit(0) } else { os.Exit(1) } } switch parser.Active.Name { case "version": log.Printf("dnscrypt version %s\n", VersionString) case "generate": generate(opts.Generate) case "lookup-stamp": lookupStamp(opts.LookupStamp) case "lookup": lookup(opts.Lookup) case "server": server(opts.Server) default: log.Fatalf("unknown command %s", parser.Active.Name) } }