mirror of
https://github.com/KusakabeShi/EtherGuard-VPN.git
synced 2024-12-25 07:18:47 +01:00
Close UDP connection when listen port changes
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parent
2ed9dac3a5
commit
c3d9ae402d
@ -2,7 +2,6 @@ package main
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import (
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import (
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"bufio"
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"bufio"
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"errors"
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"fmt"
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"fmt"
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"io"
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"io"
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"net"
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"net"
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@ -105,8 +104,6 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
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key := parts[0]
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key := parts[0]
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value := parts[1]
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value := parts[1]
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fmt.Println(key, value)
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switch key {
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switch key {
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/* interface configuration */
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/* interface configuration */
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@ -125,16 +122,21 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
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}
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}
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case "listen_port":
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case "listen_port":
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var port int
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port, err := strconv.ParseUint(value, 10, 16)
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_, err := fmt.Sscanf(value, "%d", &port)
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if err != nil {
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if err != nil || port > (1<<16) || port < 0 {
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logError.Println("Failed to set listen_port:", err)
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logError.Println("Failed to set listen_port:", err)
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return &IPCError{Code: ipcErrorInvalidValue}
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return &IPCError{Code: ipcErrorInvalidValue}
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}
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}
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device.net.mutex.Lock()
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netc := &device.net
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device.net.addr.Port = port
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netc.mutex.Lock()
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device.net.conn, err = net.ListenUDP("udp", device.net.addr)
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if netc.addr.Port != int(port) {
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device.net.mutex.Unlock()
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if netc.conn != nil {
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netc.conn.Close()
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}
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netc.addr.Port = int(port)
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netc.conn, err = net.ListenUDP("udp", netc.addr)
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}
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netc.mutex.Unlock()
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if err != nil {
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if err != nil {
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logError.Println("Failed to create UDP listener:", err)
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logError.Println("Failed to create UDP listener:", err)
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return &IPCError{Code: ipcErrorInvalidValue}
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return &IPCError{Code: ipcErrorInvalidValue}
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@ -151,15 +153,10 @@ func ipcSetOperation(device *Device, socket *bufio.ReadWriter) *IPCError {
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return &IPCError{Code: ipcErrorInvalidValue}
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return &IPCError{Code: ipcErrorInvalidValue}
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}
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}
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device.mutex.RLock()
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device.mutex.RLock()
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found, ok := device.peers[pubKey]
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peer, _ := device.peers[pubKey]
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device.mutex.RUnlock()
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device.mutex.RUnlock()
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if ok {
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peer = found
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} else {
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peer = device.NewPeer(pubKey)
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}
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if peer == nil {
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if peer == nil {
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panic(errors.New("bug: failed to find / create peer"))
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peer = device.NewPeer(pubKey)
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}
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}
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case "replace_peers":
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case "replace_peers":
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@ -7,12 +7,6 @@ import (
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"time"
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"time"
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)
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)
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/* TODO:
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* This code can be improved by using fsnotify once:
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* https://github.com/fsnotify/fsnotify/pull/205
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* Is merged
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*/
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type UAPIListener struct {
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type UAPIListener struct {
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listener net.Listener // unix socket listener
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listener net.Listener // unix socket listener
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connNew chan net.Conn
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connNew chan net.Conn
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