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Commit 96f4a89e authored by Alexey Polyudov's avatar Alexey Polyudov
Browse files

gatekeeper vts tests 



Change-Id: I51eadf624341f4e5399cd73fdaf222d19701e611
Signed-off-by: default avatarAlexey Polyudov <apolyudov@google.com>
parent f81ef54b

gatekeeper/1.0/vts/Gatekeeper.vts

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component_class: HAL_HIDL

component_type_version: 1.0

component_name: "IGatekeeper"



package: "android.hardware.gatekeeper"



import: "android.hardware.gatekeeper@1.0::types"



interface: {

    api: {

        name: "enroll"

        return_type_hidl: {

            type: TYPE_STRUCT

            predefined_type: "::android::hardware::gatekeeper::V1_0::GatekeeperResponse"

        }

        arg: {

            type: TYPE_SCALAR

            scalar_type: "uint32_t"

        }

        arg: {

            type: TYPE_VECTOR

            vector_value: {

                type: TYPE_SCALAR

                scalar_type: "uint8_t"

            }

        }

        arg: {

            type: TYPE_VECTOR

            vector_value: {

                type: TYPE_SCALAR

                scalar_type: "uint8_t"

            }

        }

        arg: {

            type: TYPE_VECTOR

            vector_value: {

                type: TYPE_SCALAR

                scalar_type: "uint8_t"

            }

        }

    }



    api: {

        name: "verify"

        return_type_hidl: {

            type: TYPE_STRUCT

            predefined_type: "::android::hardware::gatekeeper::V1_0::GatekeeperResponse"

        }

        arg: {

            type: TYPE_SCALAR

            scalar_type: "uint32_t"

        }

        arg: {

            type: TYPE_SCALAR

            scalar_type: "uint64_t"

        }

        arg: {

            type: TYPE_VECTOR

            vector_value: {

                type: TYPE_SCALAR

                scalar_type: "uint8_t"

            }

        }

        arg: {

            type: TYPE_VECTOR

            vector_value: {

                type: TYPE_SCALAR

                scalar_type: "uint8_t"

            }

        }

    }



    api: {

        name: "deleteUser"

        return_type_hidl: {

            type: TYPE_STRUCT

            predefined_type: "::android::hardware::gatekeeper::V1_0::GatekeeperResponse"

        }

        arg: {

            type: TYPE_SCALAR

            scalar_type: "uint32_t"

        }

    }



    api: {

        name: "deleteAllUsers"

        return_type_hidl: {

            type: TYPE_STRUCT

            predefined_type: "::android::hardware::gatekeeper::V1_0::GatekeeperResponse"

        }

    }



}

gatekeeper/1.0/vts/functional/Android.bp

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//

// Copyright (C) 2016 The Android Open Source Project

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//



cc_test {

    name: "gatekeeper_hidl_hal_test",

    gtest: true,

    srcs: ["gatekeeper_hidl_hal_test.cpp"],

    shared_libs: [

        "libbase",

        "liblog",

        "libcutils",

        "libhidlbase",

        "libhidltransport",

        "libhwbinder",

        "libnativehelper",

        "libutils",

        "android.hardware.gatekeeper@1.0",

    ],

    static_libs: ["libgtest"],

    cflags: [

        "-O0",

        "-g",

    ],

}

gatekeeper/1.0/vts/functional/gatekeeper_hidl_hal_test.cpp

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/*

 * Copyright (C) 2016 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#define LOG_TAG "gatekeeper_hidl_hal_test"



#include <algorithm>

#include <cmath>

#include <string>

#include <vector>



#include <inttypes.h>

#include <unistd.h>



#include <hardware/hw_auth_token.h>



#include <android-base/logging.h>

#include <android/hardware/gatekeeper/1.0/IGatekeeper.h>

#include <android/hardware/gatekeeper/1.0/types.h>



#include <gtest/gtest.h>



using ::android::hardware::hidl_string;

using ::android::hardware::hidl_vec;

using ::android::hardware::gatekeeper::V1_0::IGatekeeper;

using ::android::hardware::gatekeeper::V1_0::GatekeeperResponse;

using ::android::hardware::gatekeeper::V1_0::GatekeeperStatusCode;

using ::android::hardware::Return;

using ::android::hardware::Void;

using ::android::sp;



struct GatekeeperRequest {

  uint32_t uid;

  uint64_t challenge;

  hidl_vec<uint8_t> curPwdHandle;

  hidl_vec<uint8_t> curPwd;

  hidl_vec<uint8_t> newPwd;

  GatekeeperRequest() : uid(0), challenge(0) {}

};



// ASSERT_* macros generate return "void" internally

// we have to use EXPECT_* if we return anything but "void"

static const hw_auth_token_t *toAuthToken(GatekeeperResponse &rsp) {

  const hw_auth_token_t *auth_token =

      reinterpret_cast<hw_auth_token_t *>(rsp.data.data());

  const size_t auth_token_size = rsp.data.size();



  EXPECT_NE(nullptr, auth_token);

  EXPECT_EQ(sizeof(hw_auth_token_t), auth_token_size);



  if (auth_token != nullptr && auth_token_size >= sizeof(*auth_token)) {

    // these are in network order: translate to host

    uint32_t auth_type = ntohl(auth_token->authenticator_type);

    uint64_t auth_tstamp = ntohq(auth_token->timestamp);



    EXPECT_EQ(HW_AUTH_PASSWORD, auth_type);

    EXPECT_NE(UINT64_C(~0), auth_tstamp);

    EXPECT_EQ(HW_AUTH_TOKEN_VERSION, auth_token->version);

    //        EXPECT_NE(UINT64_C(0), auth_token->authenticator_id);

    ALOGI("Authenticator ID: %016" PRIX64, auth_token->authenticator_id);

    EXPECT_NE(UINT32_C(0), auth_token->user_id);

  }

  return auth_token;

}



// The main test class for Gatekeeper HIDL HAL.

class GatekeeperHidlTest : public ::testing::Test {

 protected:

  void setUid(uint32_t uid) { uid_ = uid; }



  void doEnroll(GatekeeperRequest &req, GatekeeperResponse &rsp) {

    while (true) {

      auto ret = gatekeeper_->enroll(

          uid_, req.curPwdHandle, req.curPwd, req.newPwd,

          [&rsp](const GatekeeperResponse &cbRsp) { rsp = cbRsp; });

      ASSERT_TRUE(ret.getStatus().isOk());

      if (rsp.code != GatekeeperStatusCode::ERROR_RETRY_TIMEOUT) break;

      ALOGI("%s: got retry code; retrying in 1 sec", __func__);

      sleep(1);

    }

  }



  void doVerify(GatekeeperRequest &req, GatekeeperResponse &rsp) {

    while (true) {

      auto ret = gatekeeper_->verify(

          uid_, req.challenge, req.curPwdHandle, req.newPwd,

          [&rsp](const GatekeeperResponse &cb_rsp) { rsp = cb_rsp; });

      ASSERT_TRUE(ret.getStatus().isOk());

      if (rsp.code != GatekeeperStatusCode::ERROR_RETRY_TIMEOUT) break;

      ALOGI("%s: got retry code; retrying in 1 sec", __func__);

      sleep(1);

    }

  }



  void doDeleteUser(GatekeeperResponse &rsp) {

    while (true) {

      auto ret = gatekeeper_->deleteUser(

          uid_, [&rsp](const GatekeeperResponse &cb_rsp) { rsp = cb_rsp; });

      ASSERT_TRUE(ret.getStatus().isOk());

      if (rsp.code != GatekeeperStatusCode::ERROR_RETRY_TIMEOUT) break;

      ALOGI("%s: got retry code; retrying in 1 sec", __func__);

      sleep(1);

    }

  }



  void doDeleteAllUsers(GatekeeperResponse &rsp) {

    while (true) {

      auto ret = gatekeeper_->deleteAllUsers(

          [&rsp](const GatekeeperResponse &cb_rsp) { rsp = cb_rsp; });

      ASSERT_TRUE(ret.getStatus().isOk());

      if (rsp.code != GatekeeperStatusCode::ERROR_RETRY_TIMEOUT) break;

      ALOGI("%s: got retry code; retrying in 1 sec", __func__);

      sleep(1);

    }

  }



  void generatePassword(hidl_vec<uint8_t> &password, uint8_t seed) {

    password.resize(16);

    memset(password.data(), seed, password.size());

  }



  void checkEnroll(GatekeeperResponse &rsp, bool expectSuccess) {

    if (expectSuccess) {

      EXPECT_EQ(GatekeeperStatusCode::STATUS_OK, rsp.code);

      EXPECT_NE(nullptr, rsp.data.data());

      EXPECT_GT(rsp.data.size(), UINT32_C(0));

    } else {

      EXPECT_EQ(GatekeeperStatusCode::ERROR_GENERAL_FAILURE, rsp.code);

      EXPECT_EQ(UINT32_C(0), rsp.data.size());

    }

  }



  void checkVerify(GatekeeperResponse &rsp, uint64_t challenge,

                   bool expectSuccess) {

    if (expectSuccess) {

      EXPECT_GE(rsp.code, GatekeeperStatusCode::STATUS_OK);

      EXPECT_LE(rsp.code, GatekeeperStatusCode::STATUS_REENROLL);



      const hw_auth_token_t *auth_token = toAuthToken(rsp);

      ASSERT_NE(nullptr, auth_token);

      EXPECT_EQ(challenge, auth_token->challenge);

    } else {

      EXPECT_EQ(GatekeeperStatusCode::ERROR_GENERAL_FAILURE, rsp.code);

      EXPECT_EQ(UINT32_C(0), rsp.data.size());

    }

  }



  void enrollNewPassword(hidl_vec<uint8_t> &password, GatekeeperResponse &rsp,

                         bool expectSuccess) {

    GatekeeperRequest req;

    req.newPwd.setToExternal(password.data(), password.size());

    doEnroll(req, rsp);

    checkEnroll(rsp, expectSuccess);

  }



  void verifyPassword(hidl_vec<uint8_t> &password,

                      hidl_vec<uint8_t> &passwordHandle, uint64_t challenge,

                      GatekeeperResponse &verifyRsp, bool expectSuccess) {

    GatekeeperRequest verifyReq;



    // build verify request for the same password (we want it to succeed)

    verifyReq.newPwd = password;

    // use enrolled password handle we've got

    verifyReq.curPwdHandle = passwordHandle;

    verifyReq.challenge = challenge;

    doVerify(verifyReq, verifyRsp);

    checkVerify(verifyRsp, challenge, expectSuccess);

  }



 protected:

  sp<IGatekeeper> gatekeeper_;

  uint32_t uid_;



 public:

  GatekeeperHidlTest() : uid_(0) {}

  virtual void SetUp() override {

    GatekeeperResponse rsp;

    gatekeeper_ = IGatekeeper::getService("gatekeeper", false);

    ASSERT_NE(nullptr, gatekeeper_.get());

    doDeleteAllUsers(rsp);

  }



  virtual void TearDown() override {

    GatekeeperResponse rsp;

    doDeleteAllUsers(rsp);

  }

};



/**

 * Ensure we can enroll new password

 */

TEST_F(GatekeeperHidlTest, EnrollSuccess) {

  hidl_vec<uint8_t> password;

  GatekeeperResponse rsp;

  ALOGI("Testing Enroll (expected success)");

  generatePassword(password, 0);

  enrollNewPassword(password, rsp, true);

  ALOGI("Testing Enroll done");

}



/**

 * Ensure we can not enroll empty password

 */

TEST_F(GatekeeperHidlTest, EnrollNoPassword) {

  hidl_vec<uint8_t> password;

  GatekeeperResponse rsp;

  ALOGI("Testing Enroll (expected failure)");

  enrollNewPassword(password, rsp, false);

  ALOGI("Testing Enroll done");

}



/**

 * Ensure we can successfully verify previously enrolled password

 */

TEST_F(GatekeeperHidlTest, VerifySuccess) {

  GatekeeperResponse enrollRsp;

  GatekeeperResponse verifyRsp;

  hidl_vec<uint8_t> password;



  ALOGI("Testing Enroll+Verify (expected success)");

  generatePassword(password, 0);

  enrollNewPassword(password, enrollRsp, true);

  verifyPassword(password, enrollRsp.data, 1, verifyRsp, true);

  ALOGI("Testing Enroll+Verify done");

}



/**

 * Ensure we can securely update password (keep the same

 * secure user_id) if we prove we know old password

 */

TEST_F(GatekeeperHidlTest, TrustedReenroll) {

  GatekeeperResponse enrollRsp;

  GatekeeperRequest reenrollReq;

  GatekeeperResponse reenrollRsp;

  GatekeeperResponse verifyRsp;

  GatekeeperResponse reenrollVerifyRsp;

  hidl_vec<uint8_t> password;

  hidl_vec<uint8_t> newPassword;



  generatePassword(password, 0);



  ALOGI("Testing Trusted Reenroll (expected success)");

  enrollNewPassword(password, enrollRsp, true);

  verifyPassword(password, enrollRsp.data, 0, verifyRsp, true);

  ALOGI("Primary Enroll+Verify done");



  generatePassword(newPassword, 1);

  reenrollReq.newPwd.setToExternal(newPassword.data(), newPassword.size());

  reenrollReq.curPwd.setToExternal(password.data(), password.size());

  reenrollReq.curPwdHandle.setToExternal(enrollRsp.data.data(),

                                         enrollRsp.data.size());



  doEnroll(reenrollReq, reenrollRsp);

  checkEnroll(reenrollRsp, true);

  verifyPassword(newPassword, reenrollRsp.data, 0, reenrollVerifyRsp, true);

  ALOGI("Trusted ReEnroll+Verify done");



  const hw_auth_token_t *first = toAuthToken(verifyRsp);

  const hw_auth_token_t *second = toAuthToken(reenrollVerifyRsp);

  if (first != nullptr && second != nullptr) {

    EXPECT_EQ(first->user_id, second->user_id);

  }

  ALOGI("Testing Trusted Reenroll done");

}



/**

 * Ensure we can update password (and get new

 * secure user_id) if we don't know old password

 */

TEST_F(GatekeeperHidlTest, UntrustedReenroll) {

  GatekeeperResponse enrollRsp;

  GatekeeperRequest reenrollReq;

  GatekeeperResponse reenrollRsp;

  GatekeeperResponse verifyRsp;

  GatekeeperResponse reenrollVerifyRsp;

  hidl_vec<uint8_t> password;

  hidl_vec<uint8_t> newPassword;



  ALOGI("Testing Untrusted Reenroll (expected success)");

  generatePassword(password, 0);

  enrollNewPassword(password, enrollRsp, true);

  verifyPassword(password, enrollRsp.data, 0, verifyRsp, true);

  ALOGI("Primary Enroll+Verify done");



  generatePassword(newPassword, 1);

  enrollNewPassword(newPassword, reenrollRsp, true);

  verifyPassword(newPassword, reenrollRsp.data, 0, reenrollVerifyRsp, true);

  ALOGI("Untrusted ReEnroll+Verify done");



  const hw_auth_token_t *first = toAuthToken(verifyRsp);

  const hw_auth_token_t *second = toAuthToken(reenrollVerifyRsp);

  if (first != nullptr && second != nullptr) {

    EXPECT_NE(first->user_id, second->user_id);

  }

  ALOGI("Testing Untrusted Reenroll done");

}



/**

 * Ensure we dont get successful verify with invalid data

 */

TEST_F(GatekeeperHidlTest, VerifyNoData) {

  hidl_vec<uint8_t> password;

  hidl_vec<uint8_t> passwordHandle;

  GatekeeperResponse verifyRsp;



  ALOGI("Testing Verify (expected failure)");

  verifyPassword(password, passwordHandle, 0, verifyRsp, false);

  EXPECT_EQ(GatekeeperStatusCode::ERROR_GENERAL_FAILURE, verifyRsp.code);

  ALOGI("Testing Verify done");

}



/**

 * Ensure we can not verify password after we enrolled it and then deleted user

 */

TEST_F(GatekeeperHidlTest, DeleteUserTest) {

  hidl_vec<uint8_t> password;

  GatekeeperResponse enrollRsp;

  GatekeeperResponse verifyRsp;

  GatekeeperResponse delRsp;

  ALOGI("Testing deleteUser (expected success)");

  setUid(10001);

  generatePassword(password, 0);

  enrollNewPassword(password, enrollRsp, true);

  verifyPassword(password, enrollRsp.data, 0, verifyRsp, true);

  ALOGI("Enroll+Verify done");

  doDeleteUser(delRsp);

  EXPECT_EQ(UINT32_C(0), delRsp.data.size());

  EXPECT_TRUE(delRsp.code == GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED ||

              delRsp.code == GatekeeperStatusCode::STATUS_OK);

  ALOGI("DeleteUser done");

  if (delRsp.code == GatekeeperStatusCode::STATUS_OK) {

    verifyPassword(password, enrollRsp.data, 0, verifyRsp, false);

    EXPECT_EQ(GatekeeperStatusCode::ERROR_GENERAL_FAILURE, verifyRsp.code);

    ALOGI("Verify after Delete done (must fail)");

  }

  ALOGI("Testing deleteUser done: rsp=%" PRIi32, delRsp.code);

}



/**

 * Ensure we can not verify passwords after we enrolled them and then deleted

 * all users

 */

TEST_F(GatekeeperHidlTest, DeleteAllUsersTest) {

  struct UserData {

    uint32_t userId;

    hidl_vec<uint8_t> password;

    GatekeeperResponse enrollRsp;

    GatekeeperResponse verifyRsp;

    UserData(int id) { userId = id; }

  } users[3]{10001, 10002, 10003};

  GatekeeperResponse delAllRsp;

  ALOGI("Testing deleteAllUsers (expected success)");



  // enroll multiple users

  for (size_t i = 0; i < sizeof(users) / sizeof(users[0]); ++i) {

    setUid(users[i].userId);

    generatePassword(users[i].password, (i % 255) + 1);

    enrollNewPassword(users[i].password, users[i].enrollRsp, true);

  }

  ALOGI("Multiple users enrolled");



  // verify multiple users

  for (size_t i = 0; i < sizeof(users) / sizeof(users[0]); ++i) {

    setUid(users[i].userId);

    verifyPassword(users[i].password, users[i].enrollRsp.data, 0,

                   users[i].verifyRsp, true);

  }

  ALOGI("Multiple users verified");



  doDeleteAllUsers(delAllRsp);

  EXPECT_EQ(UINT32_C(0), delAllRsp.data.size());

  EXPECT_TRUE(delAllRsp.code == GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED ||

              delAllRsp.code == GatekeeperStatusCode::STATUS_OK);

  ALOGI("All users deleted");



  if (delAllRsp.code == GatekeeperStatusCode::STATUS_OK) {

    // verify multiple users after they are deleted; all must fail

    for (size_t i = 0; i < sizeof(users) / sizeof(users[0]); ++i) {

      setUid(users[i].userId);

      verifyPassword(users[i].password, users[i].enrollRsp.data, 0,

                     users[i].verifyRsp, false);

      EXPECT_EQ(GatekeeperStatusCode::ERROR_GENERAL_FAILURE,

                users[i].verifyRsp.code);

    }

    ALOGI("Multiple users verified after delete (all must fail)");

  }



  ALOGI("Testing deleteAllUsers done: rsp=%" PRIi32, delAllRsp.code);

}



int main(int argc, char **argv) {

  ::testing::InitGoogleTest(&argc, argv);

  int status = RUN_ALL_TESTS();

  ALOGI("Test result = %d", status);

  return status;

}

gatekeeper/1.0/vts/functional/vts/testcases/hal/gatekeeper/__init__.py

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gatekeeper/1.0/vts/functional/vts/testcases/hal/gatekeeper/hidl/__init__.py

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