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fix the issue of duplicate xtcp proxies will cause the previous proxy to become ineffective (#3489)

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fatedier 2023-06-16 00:41:06 +08:00 committed by GitHub
parent e1cef053be
commit 15a245766e
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 24 additions and 7 deletions
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8
pkg/nathole/controller.go
View File

@ -121,7 +121,7 @@ func (c *Controller) CleanWorker(ctx context.Context) {
}
}
func (c *Controller) ListenClient(name string, sk string, allowUsers []string) chan string {
func (c *Controller) ListenClient(name string, sk string, allowUsers []string) (chan string, error) {
cfg := &ClientCfg{
name: name,
sk: sk,
@ -130,9 +130,11 @@ func (c *Controller) ListenClient(name string, sk string, allowUsers []string) c
}
c.mu.Lock()
defer c.mu.Unlock()
// TODO(fatedier): return error if name already exists
if _, ok := c.clientCfgs[name]; ok {
return nil, fmt.Errorf("proxy [%s] is repeated", name)
}
c.clientCfgs[name] = cfg
return cfg.sidCh
return cfg.sidCh, nil
}
func (c *Controller) CloseClient(name string) {

5
server/control.go
View File

@ -577,6 +577,11 @@ func (ctl *Control) RegisterProxy(pxyMsg *msg.NewProxy) (remoteAddr string, err
}()
}
if ctl.pxyManager.Exist(pxyMsg.ProxyName) {
err = fmt.Errorf("proxy [%s] already exists", pxyMsg.ProxyName)
return
}
remoteAddr, err = pxy.Run()
if err != nil {
return

7
server/proxy/proxy.go
View File

@ -324,6 +324,13 @@ func (pm *Manager) Add(name string, pxy Proxy) error {
return nil
}
func (pm *Manager) Exist(name string) bool {
pm.mu.RLock()
defer pm.mu.RUnlock()
_, ok := pm.pxys[name]
return ok
}
func (pm *Manager) Del(name string) {
pm.mu.Lock()
defer pm.mu.Unlock()

5
server/proxy/xtcp.go
View File

@ -58,7 +58,10 @@ func (pxy *XTCPProxy) Run() (remoteAddr string, err error) {
if len(allowUsers) == 0 {
allowUsers = []string{pxy.GetUserInfo().User}
}
sidCh := pxy.rc.NatHoleController.ListenClient(pxy.GetName(), pxy.cfg.Sk, allowUsers)
sidCh, err := pxy.rc.NatHoleController.ListenClient(pxy.GetName(), pxy.cfg.Sk, allowUsers)
if err != nil {
return "", err
}
go func() {
for {
select {

6
test/e2e/basic/server.go
View File

@ -37,7 +37,7 @@ var _ = ginkgo.Describe("[Feature: Server Manager]", func() {
[tcp-port-not-allowed]
type = tcp
local_port = {{ .%s }}
remote_port = 20001
remote_port = 25001
`, framework.TCPEchoServerPort)
clientConf += fmt.Sprintf(`
[tcp-port-unavailable]
@ -55,7 +55,7 @@ var _ = ginkgo.Describe("[Feature: Server Manager]", func() {
[udp-port-not-allowed]
type = udp
local_port = {{ .%s }}
remote_port = 20003
remote_port = 25003
`, framework.UDPEchoServerPort)
f.RunProcesses([]string{serverConf}, []string{clientConf})
@ -65,7 +65,7 @@ var _ = ginkgo.Describe("[Feature: Server Manager]", func() {
framework.NewRequestExpect(f).PortName(tcpPortName).Ensure()
// Not Allowed
framework.NewRequestExpect(f).Port(25003).ExpectError(true).Ensure()
framework.NewRequestExpect(f).Port(25001).ExpectError(true).Ensure()
// Unavailable, already bind by frps
framework.NewRequestExpect(f).PortName(consts.PortServerName).ExpectError(true).Ensure()