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update logic for determing when to check for free port

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This commit is contained in:
Matthew R. Kasun 2022-07-11 08:15:46 -04:00
parent daf2e364c7
commit 7bfbf06eb5
5 changed files with 18 additions and 10 deletions
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4
netclient/functions/localport.go
View file

@ -23,7 +23,7 @@ func GetLocalListenPort(ifacename string) (int32, error) {
defer client.Close()
device, err := client.Device(ifacename)
if err != nil {
logger.Log(0, "failed to parse interface")
logger.Log(0, "failed to parse interface", ifacename)
return 0, err
}
return int32(device.ListenPort), nil
@ -35,7 +35,7 @@ func UpdateLocalListenPort(nodeCfg *config.ClientConfig) error {
ifacename := getRealIface(nodeCfg.Node.Interface, nodeCfg.Node.Address)
localPort, err := GetLocalListenPort(ifacename)
if err != nil {
logger.Log(1, "error encountered checking local listen port: ", err.Error())
logger.Log(1, "error encountered checking local listen port: ", ifacename, err.Error())
} else if nodeCfg.Node.LocalListenPort != localPort && localPort != 0 {
logger.Log(1, "local port has changed from ", strconv.Itoa(int(nodeCfg.Node.LocalListenPort)), " to ", strconv.Itoa(int(localPort)))
nodeCfg.Node.LocalListenPort = localPort

2
netclient/functions/localport_freebsd.go
View file

@ -34,7 +34,7 @@ func UpdateLocalListenPort(nodeCfg *config.ClientConfig) error {
var err error
localPort, err := GetLocalListenPort(nodeCfg.Node.Interface)
if err != nil {
logger.Log(1, "error encountered checking local listen port: ", err.Error())
logger.Log(1, "error encountered checking local listen port for interface : ",nodeCfg.Node.Interface err.Error())
} else if nodeCfg.Node.LocalListenPort != localPort && localPort != 0 {
logger.Log(1, "local port has changed from ", strconv.Itoa(int(nodeCfg.Node.LocalListenPort)), " to ", strconv.Itoa(int(localPort)))
nodeCfg.Node.LocalListenPort = localPort

15
netclient/functions/mqhandlers.go
View file

@ -106,12 +106,17 @@ func NodeUpdate(client mqtt.Client, msg mqtt.Message) {
file := ncutils.GetNetclientPathSpecific() + nodeCfg.Node.Interface + ".conf"
if ifaceDelta { // if a change caused an ifacedelta we need to notify the server to update the peers
err = ncutils.ModPort(&newNode)
if err != nil {
logger.Log(0, "error modifying node port on", newNode.Name, "-", err.Error())
return
if newNode.ListenPort != nodeCfg.Node.LocalListenPort {
if err := wireguard.RemoveConf(newNode.Interface, false); err != nil {
logger.Log(0, "error remove interface", newNode.Interface, err.Error())
}
err = ncutils.ModPort(&newNode)
if err != nil {
logger.Log(0, "error modifying node port on", newNode.Name, "-", err.Error())
return
}
informPortChange(&newNode)
}
informPortChange(&newNode)
if err := wireguard.UpdateWgInterface(file, privateKey, nameserver, newNode); err != nil {
logger.Log(0, "error updating wireguard config "+err.Error())
return

5
netclient/functions/pull.go
View file

@ -62,7 +62,10 @@ func Pull(network string, iface bool) (*models.Node, error) {
logger.Log(0, "unable to update server config: "+err.Error())
}
}
if nodeGET.Node.ListenPort != cfg.Node.ListenPort {
if nodeGET.Node.ListenPort != cfg.Node.LocalListenPort {
if err := wireguard.RemoveConf(resNode.Interface, false); err != nil {
logger.Log(0, "error remove interface", resNode.Interface, err.Error())
}
err = ncutils.ModPort(&resNode)
if err != nil {
return nil, err

2
netclient/wireguard/common.go
View file

@ -548,7 +548,7 @@ func GetDevicePeers(iface string) ([]wgtypes.Peer, error) {
defer client.Close()
device, err := client.Device(iface)
if err != nil {
logger.Log(0, "failed to parse interface")
logger.Log(0, "failed to parse interface", iface)
return nil, err
}
return device.Peers, nil