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      1 /*
      2  * Copyright (C) 2016, The Android Open Source Project
      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 #include <string>
     18 #include <vector>
     19 
     20 #include <gtest/gtest.h>
     21 #include <utils/StrongPointer.h>
     22 #include <wifi_system/interface_tool.h>
     23 
     24 #include "android/net/wifi/IClientInterface.h"
     25 #include "android/net/wifi/IWificond.h"
     26 #include "wificond/tests/integration/process_utils.h"
     27 
     28 using android::net::wifi::IClientInterface;
     29 using android::net::wifi::IWificond;
     30 using android::wifi_system::InterfaceTool;
     31 using android::wificond::tests::integration::ScopedDevModeWificond;
     32 using android::wificond::tests::integration::SupplicantIsDead;
     33 using android::wificond::tests::integration::SupplicantIsRunning;
     34 using android::wificond::tests::integration::WaitForTrue;
     35 using std::string;
     36 using std::vector;
     37 
     38 namespace android {
     39 namespace wificond {
     40 namespace {
     41 
     42 constexpr int kSupplicantStartupTimeoutSeconds = 3;
     43 constexpr int kSupplicantDeathTimeoutSeconds = 3;
     44 
     45 }  // namespace
     46 
     47 TEST(ClientInterfaceTest, CanCreateClientInterfaces) {
     48   ScopedDevModeWificond dev_mode;
     49   sp<IWificond> service = dev_mode.EnterDevModeOrDie();
     50 
     51   // We should be able to create an client interface.
     52   sp<IClientInterface> client_interface;
     53   EXPECT_TRUE(service->createClientInterface(&client_interface).isOk());
     54   EXPECT_NE(nullptr, client_interface.get());
     55 
     56   // The interface should start out down.
     57   string if_name;
     58   EXPECT_TRUE(client_interface->getInterfaceName(&if_name).isOk());
     59   EXPECT_TRUE(!if_name.empty());
     60   InterfaceTool if_tool;
     61   EXPECT_FALSE(if_tool.GetUpState(if_name.c_str()));
     62 
     63   // Mark the interface as up, just to test that we mark it down on teardown.
     64   EXPECT_TRUE(if_tool.SetUpState(if_name.c_str(), true));
     65   EXPECT_TRUE(if_tool.GetUpState(if_name.c_str()));
     66 
     67   // We should not be able to create two client interfaces.
     68   sp<IClientInterface> client_interface2;
     69   EXPECT_TRUE(service->createClientInterface(&client_interface2).isOk());
     70   EXPECT_EQ(nullptr, client_interface2.get());
     71 
     72   // We can tear down the created interface.
     73   EXPECT_TRUE(service->tearDownInterfaces().isOk());
     74   EXPECT_FALSE(if_tool.GetUpState(if_name.c_str()));
     75 }
     76 
     77 TEST(ClientInterfaceTest, CanStartStopSupplicant) {
     78   ScopedDevModeWificond dev_mode;
     79   sp<IWificond> service = dev_mode.EnterDevModeOrDie();
     80   sp<IClientInterface> client_interface;
     81   EXPECT_TRUE(service->createClientInterface(&client_interface).isOk());
     82   ASSERT_NE(nullptr, client_interface.get());
     83 
     84   for (int iteration = 0; iteration < 4; iteration++) {
     85     bool supplicant_started = false;
     86     EXPECT_TRUE(client_interface->enableSupplicant(&supplicant_started).isOk());
     87     EXPECT_TRUE(supplicant_started);
     88 
     89     EXPECT_TRUE(WaitForTrue(SupplicantIsRunning,
     90                             kSupplicantStartupTimeoutSeconds))
     91         << "Failed on iteration " << iteration;
     92 
     93     // We look for supplicant so quickly that we miss when it dies on startup
     94     sleep(1);
     95     EXPECT_TRUE(SupplicantIsRunning()) << "Failed on iteration " << iteration;
     96 
     97     bool supplicant_stopped = false;
     98     EXPECT_TRUE(
     99         client_interface->disableSupplicant(&supplicant_stopped).isOk());
    100     EXPECT_TRUE(supplicant_stopped);
    101 
    102     EXPECT_TRUE(WaitForTrue(SupplicantIsDead, kSupplicantDeathTimeoutSeconds))
    103         << "Failed on iteration " << iteration;
    104   }
    105 }
    106 
    107 TEST(ClientInterfaceTest, CanGetMacAddress) {
    108   ScopedDevModeWificond dev_mode;
    109   sp<IWificond> service = dev_mode.EnterDevModeOrDie();
    110   sp<IClientInterface> client_interface;
    111   EXPECT_TRUE(service->createClientInterface(&client_interface).isOk());
    112   ASSERT_NE(nullptr, client_interface.get());
    113   vector<uint8_t> mac_address;
    114   EXPECT_TRUE(client_interface->getMacAddress(&mac_address).isOk());
    115   EXPECT_TRUE(mac_address.size() == 6);
    116 }
    117 
    118 }  // namespace wificond
    119 }  // namespace android
    120