release: v1.3.12

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.19.0 to 1.21.0.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.19.0...v1.21.0)

---
updated-dependencies:
- dependency-name: github.com/spf13/viper
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

RELEASE

@@ -1 +1 @@
-v1.3.9
+v1.3.12

frontend/api_test.go

@@ -73,13 +73,14 @@ func TestApiSummaryHandler(t *testing.T) {
 
 	summary := response.Result[0].(*apiSummaryResultPair)
 	assert.Equal(t, summary.Server, "alpha")
+	assert.Equal(t, len(summary.Data), 7)
 	// Protocol list will be sorted
-	assert.Equal(t, summary.Data[1].Name, "device1")
-	assert.Equal(t, summary.Data[1].Proto, "Device")
-	assert.Equal(t, summary.Data[1].Table, "---")
-	assert.Equal(t, summary.Data[1].State, "up")
-	assert.Equal(t, summary.Data[1].Since, "2021-08-27")
-	assert.Equal(t, summary.Data[1].Info, "")
+	assert.Equal(t, summary.Data[0].Name, "device1")
+	assert.Equal(t, summary.Data[0].Proto, "Device")
+	assert.Equal(t, summary.Data[0].Table, "---")
+	assert.Equal(t, summary.Data[0].State, "up")
+	assert.Equal(t, summary.Data[0].Since, "2021-08-27")
+	assert.Equal(t, summary.Data[0].Info, "")
 }
 
 func TestApiSummaryHandlerError(t *testing.T) {

frontend/go.mod

@@ -1,33 +1,27 @@
 module github.com/xddxdd/bird-lg-go/frontend
 
-go 1.17
+go 1.23.0
 
 require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/gorilla/handlers v1.5.2
-	github.com/jarcoal/httpmock v1.4.0
+	github.com/jarcoal/httpmock v1.4.1
 	github.com/magiconair/properties v1.8.10
-	github.com/spf13/pflag v1.0.6
-	github.com/spf13/viper v1.19.0
+	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
 )
 
 require (
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
 )

frontend/main.go

@@ -12,7 +12,7 @@ type settingType struct {
 	domain            string
 	proxyPort         int
 	whoisServer       string
-	listen            string
+	listen            []string
 	dnsInterface      string
 	netSpecificMode   string
 	titleBrand        string
@@ -35,24 +35,29 @@ func main() {
 	parseSettings()
 	ImportTemplates()
 
-	var l net.Listener
-	var err error
+	for _, listenAddr := range setting.listen {
+		go func(listenAddr string) {
+			var l net.Listener
+			var err error
 
-	if strings.HasPrefix(setting.listen, "/") {
-		// Delete existing socket file, ignore errors (will fail later anyway)
-		os.Remove(setting.listen)
-		l, err = net.Listen("unix", setting.listen)
-	} else {
-		listenAddr := setting.listen
-		if !strings.Contains(listenAddr, ":") {
-			listenAddr = ":" + listenAddr
-		}
-		l, err = net.Listen("tcp", listenAddr)
+			if strings.HasPrefix(listenAddr, "/") {
+				// Delete existing socket file, ignore errors (will fail later anyway)
+				os.Remove(listenAddr)
+				l, err = net.Listen("unix", listenAddr)
+			} else {
+				if !strings.Contains(listenAddr, ":") {
+					listenAddr = ":" + listenAddr
+				}
+				l, err = net.Listen("tcp", listenAddr)
+			}
+
+			if err != nil {
+				panic(err)
+			}
+
+			webServerStart(l)
+		}(listenAddr)
 	}
 
-	if err != nil {
-		panic(err)
-	}
-
-	webServerStart(l)
+	select {}
 }

frontend/render.go

@@ -35,15 +35,6 @@ var optionsMap = map[string]string{
 	"traceroute":                       "traceroute ...",
 }
 
-// pre-compiled regexp and constant statemap for summary rendering
-var splitSummaryLine = regexp.MustCompile(`(\w+)(\s+)(\w+)(\s+)([\w-]+)(\s+)(\w+)(\s+)([0-9\-\. :]+)(.*)`)
-var summaryStateMap = map[string]string{
-	"up":      "success",
-	"down":    "secondary",
-	"start":   "danger",
-	"passive": "info",
-}
-
 // render the page template
 func renderPageTemplate(w http.ResponseWriter, r *http.Request, title string, content template.HTML) {
 	path := r.URL.Path[1:]
@@ -143,63 +134,23 @@ func summaryParse(data string, serverName string) (TemplateSummary, error) {
 
 	// parse each line
 	for _, line := range rows {
-
-		// Ignore empty lines
-		line = strings.TrimSpace(line)
-		if len(line) == 0 {
+		row := SummaryRowDataFromLine(line)
+		if row == nil {
 			continue
 		}
 
-		// Parse a total of 6 columns from bird summary
-		lineSplitted := splitSummaryLine.FindStringSubmatch(line)
-		if lineSplitted == nil {
+		// Filter row name
+		if setting.nameFilter != "" && nameFilterRegexp.MatchString(row.Name) {
 			continue
 		}
 
-		var row SummaryRowData
-
-		if len(lineSplitted) >= 2 {
-			row.Name = strings.TrimSpace(lineSplitted[1])
-			if setting.nameFilter != "" && nameFilterRegexp.MatchString(row.Name) {
-				continue
-			}
-		}
-		if len(lineSplitted) >= 4 {
-			row.Proto = strings.TrimSpace(lineSplitted[3])
-			// Filter away unwanted protocol types, if setting.protocolFilter is non-empty
-			found := false
-			for _, protocol := range setting.protocolFilter {
-				if strings.EqualFold(row.Proto, protocol) {
-					found = true
-					break
-				}
-			}
-
-			if len(setting.protocolFilter) > 0 && !found {
-				continue
-			}
-		}
-		if len(lineSplitted) >= 6 {
-			row.Table = strings.TrimSpace(lineSplitted[5])
-		}
-		if len(lineSplitted) >= 8 {
-			row.State = strings.TrimSpace(lineSplitted[7])
-			row.MappedState = summaryStateMap[row.State]
-		}
-		if len(lineSplitted) >= 10 {
-			row.Since = strings.TrimSpace(lineSplitted[9])
-		}
-		if len(lineSplitted) >= 11 {
-			row.Info = strings.TrimSpace(lineSplitted[10])
-		}
-
-		// Dynamic BGP session, show without any color
-		if strings.Contains(row.Info, "Passive") {
-			row.MappedState = summaryStateMap["passive"]
+		// Filter away unwanted protocol types, if setting.protocolFilter is non-empty
+		if len(setting.protocolFilter) > 0 && !row.ProtocolMatches(setting.protocolFilter) {
+			continue
 		}
 
 		// add to the result
-		args.Rows = append(args.Rows, row)
+		args.Rows = append(args.Rows, *row)
 	}
 
 	return args, nil

frontend/render_test.go

@@ -8,8 +8,7 @@ import (
 	"testing"
 )
 
-const BirdSummaryData = `BIRD 2.0.8 ready.
-Name       Proto      Table      State  Since         Info
+const BirdSummaryData = `Name       Proto      Table      State  Since         Info
 static1    Static     master4    up     2021-08-27
 static2    Static     master6    up     2021-08-27
 device1    Device     ---        up     2021-08-27

frontend/settings.go

@@ -9,25 +9,25 @@ import (
 )
 
 type viperSettingType struct {
-	Servers           string `mapstructure:"servers"`
-	Domain            string `mapstructure:"domain"`
-	ProxyPort         int    `mapstructure:"proxy_port"`
-	WhoisServer       string `mapstructure:"whois"`
-	Listen            string `mapstructure:"listen"`
-	DNSInterface      string `mapstructure:"dns_interface"`
-	NetSpecificMode   string `mapstructure:"net_specific_mode"`
-	TitleBrand        string `mapstructure:"title_brand"`
-	NavBarBrand       string `mapstructure:"navbar_brand"`
-	NavBarBrandURL    string `mapstructure:"navbar_brand_url"`
-	NavBarAllServer   string `mapstructure:"navbar_all_servers"`
-	NavBarAllURL      string `mapstructure:"navbar_all_url"`
-	BgpmapInfo        string `mapstructure:"bgpmap_info"`
-	TelegramBotName   string `mapstructure:"telegram_bot_name"`
-	ProtocolFilter    string `mapstructure:"protocol_filter"`
-	NameFilter        string `mapstructure:"name_filter"`
-	TimeOut           int    `mapstructure:"timeout"`
-	ConnectionTimeOut int    `mapstructure:"connection_timeout"`
-	TrustProxyHeaders bool   `mapstructure:"trust_proxy_headers"`
+	Servers           string   `mapstructure:"servers"`
+	Domain            string   `mapstructure:"domain"`
+	ProxyPort         int      `mapstructure:"proxy_port"`
+	WhoisServer       string   `mapstructure:"whois"`
+	Listen            []string `mapstructure:"listen"`
+	DNSInterface      string   `mapstructure:"dns_interface"`
+	NetSpecificMode   string   `mapstructure:"net_specific_mode"`
+	TitleBrand        string   `mapstructure:"title_brand"`
+	NavBarBrand       string   `mapstructure:"navbar_brand"`
+	NavBarBrandURL    string   `mapstructure:"navbar_brand_url"`
+	NavBarAllServer   string   `mapstructure:"navbar_all_servers"`
+	NavBarAllURL      string   `mapstructure:"navbar_all_url"`
+	BgpmapInfo        string   `mapstructure:"bgpmap_info"`
+	TelegramBotName   string   `mapstructure:"telegram_bot_name"`
+	ProtocolFilter    string   `mapstructure:"protocol_filter"`
+	NameFilter        string   `mapstructure:"name_filter"`
+	TimeOut           int      `mapstructure:"timeout"`
+	ConnectionTimeOut int      `mapstructure:"connection_timeout"`
+	TrustProxyHeaders bool     `mapstructure:"trust_proxy_headers"`
 }
 
 // Parse settings with viper, and convert to legacy setting format
@@ -52,7 +52,7 @@ func parseSettings() {
 	pflag.String("whois", "whois.verisign-grs.com", "whois server for queries")
 	viper.BindPFlag("whois", pflag.Lookup("whois"))
 
-	pflag.String("listen", "5000", "address or unix socket bird-lg is listening on")
+	pflag.StringSlice("listen", []string{"5000"}, "address or unix socket bird-lg is listening on")
 	viper.BindPFlag("listen", pflag.Lookup("listen"))
 
 	pflag.String("dns-interface", "asn.cymru.com", "dns zone to query ASN information")

frontend/template.go

@@ -3,11 +3,13 @@ package main
 import (
 	"embed"
 	"html/template"
-        "net/url"
+	"net/url"
+	"regexp"
 	"strings"
 )
 
 // import templates and other assets
+//
 //go:embed assets
 var assets embed.FS
 
@@ -64,6 +66,47 @@ func (r SummaryRowData) NameContains(prefix string) bool {
 	return strings.Contains(r.Name, prefix)
 }
 
+func (r SummaryRowData) ProtocolMatches(protocols []string) bool {
+	for _, protocol := range protocols {
+		if strings.EqualFold(r.Proto, protocol) {
+			return true
+		}
+	}
+	return false
+}
+
+// pre-compiled regexp and constant statemap for summary rendering
+var splitSummaryLine = regexp.MustCompile(`^([\w-]+)\s+(\w+)\s+([\w-]+)\s+(\w+)\s+([0-9\-\. :]+)(.*)$`)
+var summaryStateMap = map[string]string{
+	"up":      "success",
+	"down":    "secondary",
+	"start":   "danger",
+	"passive": "info",
+}
+
+func SummaryRowDataFromLine(line string) *SummaryRowData {
+	lineSplitted := splitSummaryLine.FindStringSubmatch(line)
+	if lineSplitted == nil {
+		return nil
+	}
+
+	var row SummaryRowData
+	row.Name = strings.TrimSpace(lineSplitted[1])
+	row.Proto = strings.TrimSpace(lineSplitted[2])
+	row.Table = strings.TrimSpace(lineSplitted[3])
+	row.State = strings.TrimSpace(lineSplitted[4])
+	row.Since = strings.TrimSpace(lineSplitted[5])
+	row.Info = strings.TrimSpace(lineSplitted[6])
+
+	if strings.Contains(row.Info, "Passive") {
+		row.MappedState = summaryStateMap["passive"]
+	} else {
+		row.MappedState = summaryStateMap[row.State]
+	}
+
+	return &row
+}
+
 type TemplateSummary struct {
 	ServerName string
 	Raw        string
@@ -108,7 +151,7 @@ var requiredTemplates = [...]string{
 // define functions to be made available in templates
 
 var funcMap = template.FuncMap{
-        "pathescape": url.PathEscape,
+	"pathescape": url.PathEscape,
 }
 
 // import templates from embedded assets

frontend/template_test.go

@@ -23,3 +23,67 @@ func TestSummaryRowDataNameContains(t *testing.T) {
 	assert.Equal(t, data.NameContains("oc"), true)
 	assert.Equal(t, data.NameContains("no"), false)
 }
+
+func TestSummaryRowDataFromLine(t *testing.T) {
+	data := SummaryRowDataFromLine("sys_device Device     ---        up     2025-06-27 21:23:08")
+
+	assert.Equal(t, data.Name, "sys_device")
+	assert.Equal(t, data.Proto, "Device")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "up")
+	assert.Equal(t, data.Since, "2025-06-27 21:23:08")
+}
+
+func TestSummaryRowDataFromLineNumeric(t *testing.T) {
+	data := SummaryRowDataFromLine("12345 Device     ---        up     2025-06-27 21:23:08")
+
+	assert.Equal(t, data.Name, "12345")
+	assert.Equal(t, data.Proto, "Device")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "up")
+	assert.Equal(t, data.Since, "2025-06-27 21:23:08")
+}
+
+func TestSummaryRowDataFromLinePipe(t *testing.T) {
+	data := SummaryRowDataFromLine("pipe Pipe       ---        up     2025-06-27 21:23:08  master4 <=> pipe_v4")
+
+	assert.Equal(t, data.Name, "pipe")
+	assert.Equal(t, data.Proto, "Pipe")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "up")
+	assert.Equal(t, data.Since, "2025-06-27 21:23:08")
+	assert.Equal(t, data.Info, "master4 <=> pipe_v4")
+}
+
+func TestSummaryRowDataFromLineBGP(t *testing.T) {
+	data := SummaryRowDataFromLine("bgp BGP        ---        up     2025-06-30 20:45:33  Established")
+
+	assert.Equal(t, data.Name, "bgp")
+	assert.Equal(t, data.Proto, "BGP")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "up")
+	assert.Equal(t, data.Since, "2025-06-30 20:45:33")
+	assert.Equal(t, data.Info, "Established")
+}
+
+func TestSummaryRowDataFromLineBGPPassive(t *testing.T) {
+	data := SummaryRowDataFromLine("passive   BGP        ---        start  2025-06-27 21:23:08  Passive")
+
+	assert.Equal(t, data.Name, "passive")
+	assert.Equal(t, data.Proto, "BGP")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "start")
+	assert.Equal(t, data.Since, "2025-06-27 21:23:08")
+	assert.Equal(t, data.Info, "Passive")
+}
+
+func TestSummaryRowDataFromLineWithDash(t *testing.T) {
+	data := SummaryRowDataFromLine("ibgp_test-01 BGP        ---        up     07:16:51.656  Established")
+
+	assert.Equal(t, data.Name, "ibgp_test-01")
+	assert.Equal(t, data.Proto, "BGP")
+	assert.Equal(t, data.Table, "---")
+	assert.Equal(t, data.State, "up")
+	assert.Equal(t, data.Since, "07:16:51.656")
+	assert.Equal(t, data.Info, "Established")
+}

frontend/webserver.go

@@ -12,19 +12,20 @@ import (
 	"net/url"
 	"os"
 	"strings"
+	"sync/atomic"
 
 	"github.com/gorilla/handlers"
 )
 
 var primitiveMap = map[string]string{
 	"summary":                          "show protocols",
-	"detail":                           "show protocols all %s",
-	"route_from_protocol":              "show route protocol %s",
-	"route_from_protocol_all":          "show route protocol %s all",
-	"route_from_protocol_primary":      "show route protocol %s primary",
-	"route_from_protocol_all_primary":  "show route protocol %s all primary",
-	"route_filtered_from_protocol":     "show route filtered protocol %s",
-	"route_filtered_from_protocol_all": "show route filtered protocol %s all",
+	"detail":                           "show protocols all '%s'",
+	"route_from_protocol":              "show route protocol '%s'",
+	"route_from_protocol_all":          "show route protocol '%s' all",
+	"route_from_protocol_primary":      "show route protocol '%s' primary",
+	"route_from_protocol_all_primary":  "show route protocol '%s' all primary",
+	"route_filtered_from_protocol":     "show route filtered protocol '%s'",
+	"route_filtered_from_protocol_all": "show route filtered protocol '%s' all",
 	"route_from_origin":                "show route where bgp_path.last = %s",
 	"route_from_origin_all":            "show route where bgp_path.last = %s all",
 	"route_from_origin_primary":        "show route where bgp_path.last = %s primary",
@@ -39,8 +40,10 @@ var primitiveMap = map[string]string{
 	"traceroute":                       "%s",
 }
 
+var webServerPrepared uint32 = 0
+
 // serve up a generic error
-func serverError(w http.ResponseWriter, r *http.Request) {
+func serverError(w http.ResponseWriter, _ *http.Request) {
 	w.WriteHeader(http.StatusInternalServerError)
 	w.Write([]byte("500 Internal Server Error"))
 }
@@ -192,11 +195,11 @@ func webHandlerBGPMap(endpoint string, command string) func(w http.ResponseWrite
 	}
 }
 
-// set up routing paths and start webserver
-func webServerStart(l net.Listener) {
+// set up routing paths
+func webServerPrepare() {
 	// redirect main page to all server summary
 	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		http.Redirect(w, r, "/summary/"+url.PathEscape(strings.Join(setting.servers, "+")), 302)
+		http.Redirect(w, r, "/summary/"+url.PathEscape(strings.Join(setting.servers, "+")), http.StatusFound)
 	})
 
 	// serve static pages using embedded assets from template.go
@@ -235,8 +238,14 @@ func webServerStart(l net.Listener) {
 	http.HandleFunc("/whois/", webHandlerWhois)
 	http.HandleFunc("/api/", apiHandler)
 	http.HandleFunc("/telegram/", webHandlerTelegramBot)
+}
+
+// start webserver
+func webServerStart(l net.Listener) {
+	if atomic.SwapUint32(&webServerPrepared, 1) == 0 {
+		webServerPrepare()
+	}
 
-	// Start HTTP server
 	var handler http.Handler
 	handler = http.DefaultServeMux
 	if setting.trustProxyHeaders {

frontend/whois_test.go

@@ -88,7 +88,7 @@ func TestWhoisWithoutServer(t *testing.T) {
 }
 
 func TestWhoisConnectionError(t *testing.T) {
-	setting.whoisServer = "127.0.0.1:0"
+	setting.whoisServer = "127.0.0.1:1"
 	result := whois("AS6939")
 	if !strings.Contains(result, "connect: connection refused") {
 		t.Errorf("Whois AS6939 without server produced output, got %s", result)

proxy/go.mod

@@ -1,32 +1,26 @@
 module github.com/xddxdd/bird-lg-go/proxy
 
-go 1.17
+go 1.23.0
 
 require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/gorilla/handlers v1.5.2
 	github.com/magiconair/properties v1.8.10
-	github.com/spf13/pflag v1.0.6
-	github.com/spf13/viper v1.19.0
+	github.com/spf13/pflag v1.0.10
+	github.com/spf13/viper v1.21.0
 )
 
 require (
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/hashicorp/hcl v1.0.0 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
-	github.com/sagikazarmark/locafero v0.4.0 // indirect
-	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.11.0 // indirect
-	github.com/spf13/cast v1.6.0 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/sagikazarmark/locafero v0.11.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.15.0 // indirect
+	github.com/spf13/cast v1.10.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
-	golang.org/x/sys v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.28.0 // indirect
 )

proxy/main.go

@@ -62,7 +62,7 @@ func accessHandler(next http.Handler) http.Handler {
 
 type settingType struct {
 	birdSocket  string
-	listen      string
+	listen      []string
 	allowedNets []*net.IPNet
 	tr_bin      string
 	tr_flags    []string
@@ -76,32 +76,40 @@ func main() {
 	parseSettings()
 	tracerouteAutodetect()
 
-	fmt.Printf("Listening on %s...\n", setting.listen)
+	mux := http.NewServeMux()
 
-	var l net.Listener
-	var err error
+	// Prepare HTTP server
+	mux.HandleFunc("/", invalidHandler)
+	mux.HandleFunc("/bird", birdHandler)
+	mux.HandleFunc("/bird6", birdHandler)
+	mux.HandleFunc("/traceroute", tracerouteHandler)
+	mux.HandleFunc("/traceroute6", tracerouteHandler)
 
-	if strings.HasPrefix(setting.listen, "/") {
-		// Delete existing socket file, ignore errors (will fail later anyway)
-		os.Remove(setting.listen)
-		l, err = net.Listen("unix", setting.listen)
-	} else {
-		listenAddr := setting.listen
-		if !strings.Contains(listenAddr, ":") {
-			listenAddr = ":" + listenAddr
-		}
-		l, err = net.Listen("tcp", listenAddr)
+	for _, listenAddr := range setting.listen {
+		go func(addr string) {
+			fmt.Printf("Listening on %s...\n", addr)
+
+			var l net.Listener
+			var err error
+
+			if strings.HasPrefix(addr, "/") {
+				// Delete existing socket file, ignore errors (will fail later anyway)
+				os.Remove(addr)
+				l, err = net.Listen("unix", addr)
+			} else {
+				if !strings.Contains(addr, ":") {
+					addr = ":" + addr
+				}
+				l, err = net.Listen("tcp", addr)
+			}
+
+			if err != nil {
+				panic(err)
+			}
+
+			http.Serve(l, handlers.LoggingHandler(os.Stdout, accessHandler(mux)))
+		}(listenAddr)
 	}
 
-	if err != nil {
-		panic(err)
-	}
-
-	// Start HTTP server
-	http.HandleFunc("/", invalidHandler)
-	http.HandleFunc("/bird", birdHandler)
-	http.HandleFunc("/bird6", birdHandler)
-	http.HandleFunc("/traceroute", tracerouteHandler)
-	http.HandleFunc("/traceroute6", tracerouteHandler)
-	http.Serve(l, handlers.LoggingHandler(os.Stdout, accessHandler(http.DefaultServeMux)))
+	select {}
 }

proxy/settings.go

@@ -11,12 +11,12 @@ import (
 )
 
 type viperSettingType struct {
-	BirdSocket      string `mapstructure:"bird_socket"`
-	Listen          string `mapstructure:"listen"`
-	AllowedNets     string `mapstructure:"allowed_ips"`
-	TracerouteBin   string `mapstructure:"traceroute_bin"`
-	TracerouteFlags string `mapstructure:"traceroute_flags"`
-	TracerouteRaw   bool   `mapstructure:"traceroute_raw"`
+	BirdSocket      string   `mapstructure:"bird_socket"`
+	Listen          []string `mapstructure:"listen"`
+	AllowedNets     string   `mapstructure:"allowed_ips"`
+	TracerouteBin   string   `mapstructure:"traceroute_bin"`
+	TracerouteFlags string   `mapstructure:"traceroute_flags"`
+	TracerouteRaw   bool     `mapstructure:"traceroute_raw"`
 }
 
 // Parse settings with viper, and convert to legacy setting format
@@ -37,7 +37,7 @@ func parseSettings() {
 	pflag.String("bird", "/var/run/bird/bird.ctl", "socket file for bird, set either in parameter or environment variable BIRD_SOCKET")
 	viper.BindPFlag("bird_socket", pflag.Lookup("bird"))
 
-	pflag.String("listen", "8000", "listen address, set either in parameter or environment variable BIRDLG_PROXY_PORT")
+	pflag.StringSlice("listen", []string{"8000"}, "listen address, set either in parameter or environment variable BIRDLG_PROXY_PORT")
 	viper.BindPFlag("listen", pflag.Lookup("listen"))
 
 	pflag.String("allowed", "", "IPs or networks allowed to access this proxy, separated by commas. Don't set to allow all IPs.")