Add BindAddress option. Closes #4

README.md

@@ -54,6 +54,8 @@ channel="#matterbridge"
 url="http://mattermost.yourdomain.com/hooks/incomingwebhookkey"  
 #port the bridge webserver will listen on
 port=9999
+#address the webserver will bind to
+BindAddress="0.0.0.0"
 showjoinpart=true #show irc users joining and parting
 #the token you get from the outgoing webhook in mattermost. If empty no token check will be done.
 token=yourtokenfrommattermost

config.go

@@ -22,6 +22,7 @@ type Config struct {
 		Token         string
 		IconURL       string
 		SkipTLSVerify bool
+		BindAddress   string
 	}
 	General struct {
 		GiphyAPIKey string

matterbridge.conf.sample

@@ -13,6 +13,7 @@ showjoinpart=true
 #token=yourtokenfrommattermost
 IconURL="http://youricon.png"
 #SkipTLSVerify=true
+#BindAddress="0.0.0.0"
 
 [general]
 GiphyAPIKey=dc6zaTOxFJmzC

matterbridge.go

@@ -22,7 +22,8 @@ func NewBridge(name string, config *Config) *Bridge {
 	b.Config = config
 	b.m = matterhook.New(b.Config.Mattermost.URL,
 		matterhook.Config{Port: b.Config.Mattermost.Port, Token: b.Config.Mattermost.Token,
-			InsecureSkipVerify: b.Config.Mattermost.SkipTLSVerify})
+			InsecureSkipVerify: b.Config.Mattermost.SkipTLSVerify,
+			BindAddress:        b.Config.Mattermost.BindAddress})
 	b.i = b.createIRC(name)
 	go b.handleMatter()
 	return b

matterhook/matterhook.go

@@ -52,6 +52,7 @@ type Client struct {
 // Config for client.
 type Config struct {
 	Port               int    // Port to listen on.
+	BindAddress        string // Address to listen on
 	Token              string // Only allow this token from Mattermost. (Allow everything when empty)
 	InsecureSkipVerify bool   // disable certificate checking
 	DisableServer      bool   // Do not start server for outgoing webhooks from Mattermost.
@@ -63,6 +64,7 @@ func New(url string, config Config) *Client {
 	if c.Port == 0 {
 		c.Port = 9999
 	}
+	c.BindAddress += ":"
 	tr := &http.Transport{
 		TLSClientConfig: &tls.Config{InsecureSkipVerify: config.InsecureSkipVerify},
 	}
@@ -77,8 +79,8 @@ func New(url string, config Config) *Client {
 func (c *Client) StartServer() {
 	mux := http.NewServeMux()
 	mux.Handle("/", c)
-	log.Printf("Listening on http://0.0.0.0:%v...\n", c.Port)
+	log.Printf("Listening on http://%v:%v...\n", c.BindAddress, c.Port)
-	if err := http.ListenAndServe((":" + strconv.Itoa(c.Port)), mux); err != nil {
+	if err := http.ListenAndServe((c.BindAddress + strconv.Itoa(c.Port)), mux); err != nil {
 		log.Fatal(err)
 	}
 }