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fatedierandGitHub
23ec9b4979
* vnet: serialize virtual net route lifecycle * test: remove fixed virtual net helper parameters
65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
// Copyright 2026 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package vnet
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import (
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"net"
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"testing"
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"github.com/stretchr/testify/require"
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v1 "github.com/fatedier/frp/pkg/config/v1"
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)
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// TestClientRouterDeleteRouteRequiresMatchingConnection verifies that a stale
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// visitor cannot remove a replacement route registered under the same name.
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func TestClientRouterDeleteRouteRequiresMatchingConnection(t *testing.T) {
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require := require.New(t)
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controller := NewController(v1.VirtualNetConfig{})
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_, route, err := net.ParseCIDR("10.1.0.1/32")
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require.NoError(err)
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oldConn, oldPeer := net.Pipe()
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t.Cleanup(func() {
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_ = oldConn.Close()
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_ = oldPeer.Close()
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})
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replacementConn, replacementPeer := net.Pipe()
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t.Cleanup(func() {
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_ = replacementConn.Close()
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_ = replacementPeer.Close()
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})
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controller.clientRouter.addRoute("vnet-visitor", []net.IPNet{*route}, oldConn)
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controller.clientRouter.addRoute("vnet-visitor", []net.IPNet{*route}, replacementConn)
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require.False(controller.UnregisterClientRoute("vnet-visitor", oldConn))
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got, err := controller.clientRouter.findConn(net.ParseIP("10.1.0.1"))
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require.NoError(err)
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require.Same(replacementConn, got)
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// The read loop for an old connection can exit after a replacement route
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// has already been registered. Its deferred cleanup must keep the new owner.
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controller.clientRouter.removeConnRoute(oldConn)
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got, err = controller.clientRouter.findConn(net.ParseIP("10.1.0.1"))
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require.NoError(err)
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require.Same(replacementConn, got)
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require.True(controller.UnregisterClientRoute("vnet-visitor", replacementConn))
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_, err = controller.clientRouter.findConn(net.ParseIP("10.1.0.1"))
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require.Error(err)
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}
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