Add timeout in config file

LICENSE

@@ -0,0 +1,30 @@
+Copyright (C) 2020, yo000 <johan@nosd.in>
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+- Neither the name of the Mumble Developers nor the names of its
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+`AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+

mynettcptable.conf.sample

@@ -5,3 +5,5 @@ ldapUser cn=mynettcptable,ou=services,dc=example,dc=org
 ldapPass here_lies_the_password
 # networks cache refresh interval
 refresh 300
+# Inactive connection timeout
+timeout 30

mynettcptable.go

@@ -7,22 +7,22 @@
 package main
 
 import (
-	"os"
 	"fmt"
 	"net"
+	"os"
 	//	"log"
+	"errors"
 	"flag"
+	"log/syslog"
+	"strings"
 	"sync"
 	"time"
-	"errors"
-	"strings"
-	"log/syslog"
 
-	"github.com/tabalt/pidfile"
 	"github.com/go-ldap/ldap/v3"
 	"github.com/peterbourgon/ff"
 	"github.com/sirupsen/logrus"
 	lSyslog "github.com/sirupsen/logrus/hooks/syslog"
+	"github.com/tabalt/pidfile"
 )
 
 const (
@@ -95,7 +95,6 @@ func unsetNetCachePresentFlag() {
 	}
 }
 
-
 func buildNetCacheFromIPNetwork(conLdap *ldap.Conn) error {
 	attribute := "ipNetworkNumber"
 
@@ -117,10 +116,6 @@ func buildNetCacheFromIPNetwork(conLdap *ldap.Conn) error {
 			logstream.Info(fmt.Sprintf("Error searching into LDAP: Attribute %s not found for entry %s\n", attribute, r))
 			continue
 		} else {
-			// Explode the network to individual IPs
-			// 1: Verify format : Either CIDR, or netmask is in ipNetworkMask (do we want to support this?)
-			// 2: n := iplib.NewNet4(net.ParseIP("192.168.0.0"), 16)
-			//    n.Enumerate(
 			_, ipnet, err := net.ParseCIDR(r.Attributes[0].Values[0])
 			if err != nil {
 				logstream.Info(err.Error())
@@ -143,7 +138,6 @@ func buildNetCacheFromIPNetwork(conLdap *ldap.Conn) error {
 	return nil
 }
 
-
 func isIPContainedInNetCache(string_ip string) (bool, error) {
 	ip := net.ParseIP(string_ip)
 	if ip == nil {
@@ -391,7 +385,7 @@ func main() {
 	if strings.EqualFold(*logTo, "syslog") {
 		// level != priority
 		prio := syslog.LOG_MAIL
-		switch (*logLevel) {
+		switch *logLevel {
 		case "fatal":
 			prio += syslog.LOG_CRIT
 		case "error":
@@ -422,4 +416,3 @@ func main() {
 	logstream.Infof("Start listening for incoming connections on %s\n", *listen)
 	run()
 }
-