Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package eapol |
| 18 | |
| 19 | import ( |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 20 | "errors" |
Shrey Baid | 688b424 | 2020-07-10 20:40:10 +0530 | [diff] [blame^] | 21 | "net" |
| 22 | "testing" |
| 23 | |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 24 | "github.com/looplab/fsm" |
Matteo Scandolo | 3de9de0 | 2019-11-14 13:40:03 -0800 | [diff] [blame] | 25 | "github.com/opencord/voltha-protos/v2/go/openolt" |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 26 | "google.golang.org/grpc" |
| 27 | "gotest.tools/assert" |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 28 | ) |
| 29 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 30 | // MOCKS |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 31 | |
| 32 | var eapolStateMachine = fsm.NewFSM( |
| 33 | "auth_started", |
| 34 | fsm.Events{ |
| 35 | {Name: "eap_start_sent", Src: []string{"auth_started"}, Dst: "eap_start_sent"}, |
| 36 | {Name: "eap_response_identity_sent", Src: []string{"eap_start_sent"}, Dst: "eap_response_identity_sent"}, |
| 37 | {Name: "eap_response_challenge_sent", Src: []string{"eap_response_identity_sent"}, Dst: "eap_response_challenge_sent"}, |
| 38 | {Name: "eap_response_success_received", Src: []string{"eap_response_challenge_sent"}, Dst: "eap_response_success_received"}, |
| 39 | {Name: "auth_failed", Src: []string{"auth_started", "eap_start_sent", "eap_response_identity_sent", "eap_response_challenge_sent"}, Dst: "auth_failed"}, |
| 40 | }, |
| 41 | fsm.Callbacks{}, |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 42 | ) |
| 43 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 44 | // params for the function under test |
| 45 | var onuId uint32 = 1 |
| 46 | var gemPortId uint16 = 1 |
| 47 | var ponPortId uint32 = 0 |
| 48 | var serialNumber string = "BBSM00000001" |
| 49 | var macAddress = net.HardwareAddr{0x01, 0x80, 0xC2, 0x00, 0x00, 0x03} |
| 50 | var portNo uint32 = 16 |
| 51 | |
| 52 | type mockStream struct { |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 53 | grpc.ServerStream |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 54 | CallCount int |
| 55 | Calls map[int]*openolt.PacketIndication |
| 56 | fail bool |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 57 | } |
| 58 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 59 | func (s *mockStream) Send(ind *openolt.Indication) error { |
| 60 | s.CallCount++ |
| 61 | if s.fail { |
| 62 | return errors.New("fake-error") |
| 63 | } |
| 64 | s.Calls[s.CallCount] = ind.GetPktInd() |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 65 | return nil |
| 66 | } |
| 67 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 68 | // TESTS |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 69 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 70 | func TestSendEapStartSuccess(t *testing.T) { |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 71 | eapolStateMachine.SetState("auth_started") |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 72 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 73 | // Save current function and restore at the end: |
| 74 | old := GetGemPortId |
| 75 | defer func() { GetGemPortId = old }() |
| 76 | |
| 77 | GetGemPortId = func(intfId uint32, onuId uint32) (uint16, error) { |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 78 | return gemPortId, nil |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 79 | } |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 80 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 81 | stream := &mockStream{ |
| 82 | Calls: make(map[int]*openolt.PacketIndication), |
| 83 | fail: false, |
| 84 | } |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 85 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 86 | if err := SendEapStart(onuId, ponPortId, serialNumber, portNo, macAddress, eapolStateMachine, stream); err != nil { |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 87 | t.Errorf("SendEapStart returned an error: %v", err) |
| 88 | t.Fail() |
| 89 | } |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 90 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 91 | assert.Equal(t, stream.CallCount, 1) |
| 92 | assert.Equal(t, stream.Calls[1].PortNo, portNo) |
| 93 | assert.Equal(t, stream.Calls[1].IntfId, ponPortId) |
| 94 | assert.Equal(t, stream.Calls[1].IntfType, "pon") |
| 95 | assert.Equal(t, stream.Calls[1].GemportId, uint32(gemPortId)) |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 96 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 97 | assert.Equal(t, eapolStateMachine.Current(), "eap_start_sent") |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 98 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 99 | } |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 100 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 101 | func TestSendEapStartFailNoGemPort(t *testing.T) { |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 102 | eapolStateMachine.SetState("auth_started") |
Matteo Scandolo | 47e69bb | 2019-08-28 15:41:12 -0700 | [diff] [blame] | 103 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 104 | // Save current function and restore at the end: |
| 105 | old := GetGemPortId |
| 106 | defer func() { GetGemPortId = old }() |
| 107 | |
| 108 | GetGemPortId = func(intfId uint32, onuId uint32) (uint16, error) { |
| 109 | return 0, errors.New("no-gem-port") |
| 110 | } |
| 111 | |
Matteo Scandolo | 86e8ce6 | 2019-10-11 12:03:10 -0700 | [diff] [blame] | 112 | var macAddress = net.HardwareAddr{0x01, 0x80, 0xC2, 0x00, 0x00, 0x03} |
| 113 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 114 | stream := &mockStream{ |
| 115 | Calls: make(map[int]*openolt.PacketIndication), |
| 116 | fail: false, |
| 117 | } |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 118 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 119 | err := SendEapStart(onuId, ponPortId, serialNumber, portNo, macAddress, eapolStateMachine, stream) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 120 | if err == nil { |
| 121 | t.Errorf("SendEapStart did not return an error") |
| 122 | t.Fail() |
| 123 | } |
| 124 | |
| 125 | assert.Equal(t, err.Error(), "no-gem-port") |
| 126 | |
| 127 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 128 | } |
| 129 | |
| 130 | func TestSendEapStartFailStreamError(t *testing.T) { |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 131 | |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 132 | eapolStateMachine.SetState("auth_started") |
| 133 | |
| 134 | // Save current function and restore at the end: |
| 135 | old := GetGemPortId |
| 136 | defer func() { GetGemPortId = old }() |
| 137 | |
| 138 | GetGemPortId = func(intfId uint32, onuId uint32) (uint16, error) { |
| 139 | return 1, nil |
| 140 | } |
| 141 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 142 | stream := &mockStream{ |
| 143 | Calls: make(map[int]*openolt.PacketIndication), |
| 144 | fail: true, |
| 145 | } |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 146 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 147 | err := SendEapStart(onuId, ponPortId, serialNumber, portNo, macAddress, eapolStateMachine, stream) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 148 | if err == nil { |
| 149 | t.Errorf("SendEapStart did not return an error") |
| 150 | t.Fail() |
| 151 | } |
| 152 | |
Matteo Scandolo | 2742870 | 2019-10-11 16:21:16 -0700 | [diff] [blame] | 153 | assert.Equal(t, err.Error(), "fake-error") |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 154 | |
| 155 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 156 | } |
| 157 | |
| 158 | // TODO test eapol.HandleNextPacket |
| 159 | |
| 160 | func TestUpdateAuthFailed(t *testing.T) { |
| 161 | |
| 162 | var onuId uint32 = 1 |
| 163 | var ponPortId uint32 = 0 |
| 164 | var serialNumber string = "BBSM00000001" |
| 165 | |
| 166 | eapolStateMachine.SetState("auth_started") |
Shrey Baid | 688b424 | 2020-07-10 20:40:10 +0530 | [diff] [blame^] | 167 | _ = updateAuthFailed(onuId, ponPortId, serialNumber, eapolStateMachine) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 168 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 169 | |
| 170 | eapolStateMachine.SetState("eap_start_sent") |
Shrey Baid | 688b424 | 2020-07-10 20:40:10 +0530 | [diff] [blame^] | 171 | _ = updateAuthFailed(onuId, ponPortId, serialNumber, eapolStateMachine) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 172 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 173 | |
| 174 | eapolStateMachine.SetState("eap_response_identity_sent") |
Shrey Baid | 688b424 | 2020-07-10 20:40:10 +0530 | [diff] [blame^] | 175 | _ = updateAuthFailed(onuId, ponPortId, serialNumber, eapolStateMachine) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 176 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 177 | |
| 178 | eapolStateMachine.SetState("eap_response_challenge_sent") |
Shrey Baid | 688b424 | 2020-07-10 20:40:10 +0530 | [diff] [blame^] | 179 | _ = updateAuthFailed(onuId, ponPortId, serialNumber, eapolStateMachine) |
Matteo Scandolo | 075b189 | 2019-10-07 12:11:07 -0700 | [diff] [blame] | 180 | assert.Equal(t, eapolStateMachine.Current(), "auth_failed") |
| 181 | |
| 182 | eapolStateMachine.SetState("eap_response_success_received") |
| 183 | err := updateAuthFailed(onuId, ponPortId, serialNumber, eapolStateMachine) |
| 184 | if err == nil { |
| 185 | t.Errorf("updateAuthFailed did not return an error") |
| 186 | t.Fail() |
| 187 | } |
| 188 | assert.Equal(t, err.Error(), "event auth_failed inappropriate in current state eap_response_success_received") |
| 189 | |
Matteo Scandolo | 4b3fc7e | 2019-09-17 16:49:54 -0700 | [diff] [blame] | 190 | } |