From bdac03f725858fad0f55cd56fc5d72ac07073d79 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sat, 12 Dec 2015 21:26:53 +0100
Subject: Add BindAddress option. Closes #4

---
 README.md                | 2 ++
 config.go                | 1 +
 matterbridge.conf.sample | 1 +
 matterbridge.go          | 3 ++-
 matterhook/matterhook.go | 6 ++++--
 5 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 1ac2ad0c..e7246f8a 100644
--- a/README.md
+++ b/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
diff --git a/config.go b/config.go
index ecdf65fa..38e41a79 100644
--- a/config.go
+++ b/config.go
@@ -22,6 +22,7 @@ type Config struct {
 		Token         string
 		IconURL       string
 		SkipTLSVerify bool
+		BindAddress   string
 	}
 	General struct {
 		GiphyAPIKey string
diff --git a/matterbridge.conf.sample b/matterbridge.conf.sample
index f910e019..d581ebed 100644
--- a/matterbridge.conf.sample
+++ b/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
diff --git a/matterbridge.go b/matterbridge.go
index 1ab3eacd..bd324608 100644
--- a/matterbridge.go
+++ b/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
diff --git a/matterhook/matterhook.go b/matterhook/matterhook.go
index f750212f..0b023d39 100644
--- a/matterhook/matterhook.go
+++ 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)
-	if err := http.ListenAndServe((":" + strconv.Itoa(c.Port)), mux); err != nil {
+	log.Printf("Listening on http://%v:%v...\n", c.BindAddress, c.Port)
+	if err := http.ListenAndServe((c.BindAddress + strconv.Itoa(c.Port)), mux); err != nil {
 		log.Fatal(err)
 	}
 }
-- 
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