Allow setting SID by command line argument

.gitignore

@@ -1,3 +1,2 @@
+catbox
 *.swp
-/catbox
-/test-net

CHANGELOG.md

@@ -1,14 +1,10 @@
-# 1.13.0 (2019-07-08)
+# 1.12.0
 
-* Include Go version in version string.
-
-
-# 1.12.0 (2019-07-06)
-
-* Update dependencies.
 * Send messages during connect immediately rather than only after we've
   performed our reverse DNS lookup.
-* Stop logging client reads/writes.
+* Allow setting server name via command line argument.
+* Log server name when starting up.
+* Allow setting SID via command line argument.
 
 
 # 1.11.0 (2019-01-01)

args.go

@@ -11,12 +11,27 @@ import (
 type Args struct {
 	ConfigFile string
 	ListenFD   int
+	ServerName string
+	SID        string
 }
 
 func getArgs() *Args {
 	configFile := flag.String("conf", "", "Configuration file.")
-	fd := flag.Int("listen-fd", -1,
-		"File descriptor with listening port to use (optional).")
+	fd := flag.Int(
+		"listen-fd",
+		-1,
+		"File descriptor with listening port to use (optional).",
+	)
+	serverName := flag.String(
+		"server-name",
+		"",
+		"Server name. Overrides server-name from config.",
+	)
+	sid := flag.String(
+		"sid",
+		"",
+		"SID. Overrides ts6-sid from config.",
+	)
 
 	flag.Parse()
 
@@ -35,6 +50,8 @@ func getArgs() *Args {
 	return &Args{
 		ConfigFile: configPath,
 		ListenFD:   *fd,
+		ServerName: *serverName,
+		SID:        *sid,
 	}
 }
 

config.go

@@ -78,7 +78,11 @@ type UserConfig struct {
 // We parse some values into alternate representations.
 //
 // This function populates both the server.Config and server.Opers fields.
-func checkAndParseConfig(file string) (*Config, error) {
+func checkAndParseConfig(
+	file,
+	serverName,
+	sid string,
+) (*Config, error) {
 	m, err := config.ReadStringMap(file)
 	if err != nil {
 		return nil, err
@@ -113,6 +117,9 @@ func checkAndParseConfig(file string) (*Config, error) {
 	if m["server-name"] != "" {
 		c.ServerName = m["server-name"]
 	}
+	if serverName != "" {
+		c.ServerName = serverName
+	}
 
 	c.ServerInfo = "IRC"
 	if m["server-info"] != "" {
@@ -216,6 +223,9 @@ func checkAndParseConfig(file string) (*Config, error) {
 		}
 		c.TS6SID = TS6SID(m["ts6-sid"])
 	}
+	if sid != "" {
+		c.TS6SID = TS6SID(sid)
+	}
 
 	c.AdminEmail = m["admin-email"]
 

local_client.go

@@ -176,6 +176,8 @@ func (c *LocalClient) readLoop() {
 			break
 		}
 
+		log.Printf("Client %s: Read: %s", c, strings.TrimSuffix(buf, "\r\n"))
+
 		message, err := irc.ParseMessage(buf)
 		if err != nil {
 			c.Catbox.noticeOpers(fmt.Sprintf("Invalid message from client %s: %s", c,
@@ -247,6 +249,8 @@ Loop:
 				c.Catbox.newEvent(Event{Type: DeadClientEvent, Client: c, Error: err})
 				break Loop
 			}
+
+			log.Printf("Client %s: Sent: %s", c, strings.TrimSuffix(buf, "\r\n"))
 		case <-c.Catbox.ShutdownChan:
 			break Loop
 		}
@@ -379,8 +383,7 @@ func (c *LocalClient) registerUser() {
 	lu.messageFromServer("002", []string{
 		fmt.Sprintf("Your host is %s, running version %s",
 			lu.Catbox.Config.ServerName,
-			lu.Catbox.version(),
-		),
+			Version),
 	})
 
 	// 003 RPL_CREATED
@@ -393,7 +396,7 @@ func (c *LocalClient) registerUser() {
 	lu.messageFromServer("004", []string{
 		// It seems ambiguous if these are to be separate parameters.
 		lu.Catbox.Config.ServerName,
-		lu.Catbox.version(),
+		Version,
 		// User modes we support.
 		"ioC",
 		// Channel modes we support.

local_user.go

@@ -2094,6 +2094,8 @@ func (u *LocalUser) versionCommand(m irc.Message) {
 	// Comments are free form. But I use similar to what ratbox does. See its doc
 	// server-version-info.
 
+	version := fmt.Sprintf("%s.", Version)
+
 	// H HUB, M IDLE_FROM_MSG, TS supports TS, 6 TS6, o TS only
 	comments := fmt.Sprintf("HM TS6o %s", string(u.Catbox.Config.TS6SID))
 
@@ -2102,7 +2104,7 @@ func (u *LocalUser) versionCommand(m irc.Message) {
 		Command: "351",
 		Params: []string{
 			u.User.DisplayNick,
-			u.Catbox.version(),
+			version,
 			u.Catbox.Config.ServerName,
 			comments,
 		},

main.go

@@ -9,7 +9,6 @@ import (
 	"os"
 	"os/signal"
 	"path/filepath"
-	"runtime"
 	"strings"
 	"sync"
 	"syscall"
@@ -23,6 +22,8 @@ import (
 // I put everything global to a server in an instance of struct rather than
 // have global variables.
 type Catbox struct {
+	Args *Args
+
 	// ConfigFile is the path to the config file.
 	ConfigFile string
 
@@ -213,7 +214,7 @@ func main() {
 			os.Args[0], err)
 	}
 
-	cb, err := newCatbox(args.ConfigFile)
+	cb, err := newCatbox(args)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -243,9 +244,10 @@ func main() {
 	log.Printf("Server shutdown cleanly.")
 }
 
-func newCatbox(configFile string) (*Catbox, error) {
+func newCatbox(args *Args) (*Catbox, error) {
 	cb := Catbox{
-		ConfigFile:   configFile,
+		Args:         args,
+		ConfigFile:   args.ConfigFile,
 		LocalClients: make(map[uint64]*LocalClient),
 		LocalUsers:   make(map[uint64]*LocalUser),
 		LocalServers: make(map[uint64]*LocalServer),
@@ -263,7 +265,11 @@ func newCatbox(configFile string) (*Catbox, error) {
 		ToServerChan: make(chan Event),
 	}
 
-	cfg, err := checkAndParseConfig(configFile)
+	cfg, err := checkAndParseConfig(
+		args.ConfigFile,
+		args.ServerName,
+		args.SID,
+	)
 	if err != nil {
 		return nil, fmt.Errorf("configuration problem: %s", err)
 	}
@@ -414,7 +420,7 @@ func (cb *Catbox) start(listenFD int) error {
 		}
 	}()
 
-	log.Printf("catbox started")
+	log.Printf("catbox started (%s)", cb.Config.ServerName)
 	cb.eventLoop()
 
 	// We don't need to drain any channels. None close that will have any
@@ -1486,7 +1492,11 @@ func (cb *Catbox) quitRemoteUser(u *User, message string) {
 //
 // We could close listeners and open new ones. But nah.
 func (cb *Catbox) rehash(byUser *User) {
-	cfg, err := checkAndParseConfig(cb.ConfigFile)
+	cfg, err := checkAndParseConfig(
+		cb.ConfigFile,
+		cb.Args.ServerName,
+		cb.Args.SID,
+	)
 	if err != nil {
 		cb.noticeOpers(fmt.Sprintf("Rehash: Configuration problem: %s", err))
 		return
@@ -1706,5 +1716,3 @@ func sendMessages(messages []Message) {
 		m.Target.maybeQueueMessage(m.Message)
 	}
 }
-
-func (cb *Catbox) version() string { return Version + "-" + runtime.Version() }

version.go

@@ -2,7 +2,7 @@ package main
 
 // CreatedDate is the date we're built. This would be nice to generate
 // dynamically, but I don't want to complicate the build.
-const CreatedDate = "2019-07-08"
+const CreatedDate = "2019-01-01"
 
 // Version is our version.
-const Version = "catbox-1.13.0"
+const Version = "catbox-1.11.0"