148 lines
5.5 KiB
C++
148 lines
5.5 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <gtest/gtest.h>
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#include <libavb_aftl/libavb_aftl.h>
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#include "avb_unittest_util.h"
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#include "fake_avb_ops.h"
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#include "libavb_aftl/avb_aftl_types.h"
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#include "libavb_aftl/avb_aftl_util.h"
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#include "libavb_aftl/avb_aftl_validate.h"
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#include "libavb_aftl/avb_aftl_verify.h"
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namespace {
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/* Log transparency key */
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const char kAftlTestKey[] = "test/data/aftl_log_key_bytes.bin";
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/* Regular VBMeta structure without AFTL-specific data */
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const char kVbmetaBin[] = "test/data/aftl_verify_vbmeta.bin";
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/* Full vbmeta partition which contains the VBMeta above followed by its
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* associated AftlDescriptor */
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const char kVbmetaWithAftlDescBin[] = "test/data/aftl_verify_full.img";
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} /* namespace */
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namespace avb {
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/* Extend BaseAvbToolTest to take advantage of common checks and tooling. */
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class AvbAftlVerifyTest : public BaseAvbToolTest,
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public FakeAvbOpsDelegateWithDefaults {
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public:
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AvbAftlVerifyTest() {}
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~AvbAftlVerifyTest() {}
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void SetUp() override {
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BaseAvbToolTest::SetUp();
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ops_.set_delegate(this);
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ops_.set_partition_dir(base::FilePath("test/data"));
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asv_test_data_ = NULL;
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/* Read in the test data. */
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base::GetFileSize(base::FilePath(kAftlTestKey), &key_size_);
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key_bytes_ = (uint8_t*)avb_malloc(key_size_);
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ASSERT_TRUE(key_bytes_ != NULL);
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base::ReadFile(base::FilePath(kAftlTestKey), (char*)key_bytes_, key_size_);
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base::GetFileSize(base::FilePath(kVbmetaBin), &vbmeta_blob_size_);
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vbmeta_blob_ = (uint8_t*)avb_malloc(vbmeta_blob_size_);
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ASSERT_TRUE(vbmeta_blob_ != NULL);
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base::ReadFile(
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base::FilePath(kVbmetaBin), (char*)vbmeta_blob_, vbmeta_blob_size_);
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base::GetFileSize(base::FilePath(kVbmetaWithAftlDescBin),
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&vbmeta_full_blob_size_);
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vbmeta_full_blob_ = (uint8_t*)avb_malloc(vbmeta_full_blob_size_);
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ASSERT_TRUE(vbmeta_full_blob_ != NULL);
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base::ReadFile(base::FilePath(kVbmetaWithAftlDescBin),
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(char*)vbmeta_full_blob_,
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vbmeta_full_blob_size_);
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/* Set up required parts of asv_test_data */
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asv_test_data_ = (AvbSlotVerifyData*)avb_calloc(sizeof(AvbSlotVerifyData));
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ASSERT_TRUE(asv_test_data_ != NULL);
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asv_test_data_->ab_suffix = (char*)"";
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asv_test_data_->num_vbmeta_images = 1;
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asv_test_data_->vbmeta_images =
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(AvbVBMetaData*)avb_calloc(sizeof(AvbVBMetaData));
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ASSERT_TRUE(asv_test_data_->vbmeta_images != NULL);
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asv_test_data_->vbmeta_images[0].vbmeta_size = vbmeta_blob_size_;
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asv_test_data_->vbmeta_images[0].vbmeta_data =
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(uint8_t*)avb_calloc(vbmeta_blob_size_);
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ASSERT_TRUE(asv_test_data_->vbmeta_images[0].vbmeta_data != NULL);
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memcpy(asv_test_data_->vbmeta_images[0].vbmeta_data,
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vbmeta_blob_,
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vbmeta_blob_size_);
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asv_test_data_->vbmeta_images[0].partition_name = (char*)"aftl_verify_full";
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}
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void TearDown() override {
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if (key_bytes_ != NULL) avb_free(key_bytes_);
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if (vbmeta_blob_ != NULL) avb_free(vbmeta_blob_);
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if (vbmeta_full_blob_ != NULL) avb_free(vbmeta_full_blob_);
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if (asv_test_data_ != NULL) {
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if (asv_test_data_->vbmeta_images != NULL) {
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if (asv_test_data_->vbmeta_images[0].vbmeta_data != NULL) {
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avb_free(asv_test_data_->vbmeta_images[0].vbmeta_data);
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}
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avb_free(asv_test_data_->vbmeta_images);
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}
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avb_free(asv_test_data_);
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}
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BaseAvbToolTest::TearDown();
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}
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protected:
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AvbSlotVerifyData* asv_test_data_;
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uint8_t* key_bytes_;
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int64_t key_size_;
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uint8_t* vbmeta_blob_;
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int64_t vbmeta_blob_size_;
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uint8_t* vbmeta_full_blob_;
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int64_t vbmeta_full_blob_size_;
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};
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TEST_F(AvbAftlVerifyTest, Basic) {
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AvbSlotVerifyResult result =
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aftl_slot_verify(ops_.avb_ops(), asv_test_data_, key_bytes_, key_size_);
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EXPECT_EQ(result, AVB_SLOT_VERIFY_RESULT_OK);
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}
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TEST_F(AvbAftlVerifyTest, MissingAFTLDescriptor) {
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asv_test_data_->vbmeta_images[0].partition_name = (char*)"do-no-exist";
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AvbSlotVerifyResult result =
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aftl_slot_verify(ops_.avb_ops(), asv_test_data_, key_bytes_, key_size_);
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EXPECT_EQ(result, AVB_SLOT_VERIFY_RESULT_ERROR_INVALID_METADATA);
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}
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TEST_F(AvbAftlVerifyTest, NonMatchingVBMeta) {
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asv_test_data_->vbmeta_images[0].vbmeta_data[0] = 'X';
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AvbSlotVerifyResult result =
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aftl_slot_verify(ops_.avb_ops(), asv_test_data_, key_bytes_, key_size_);
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EXPECT_EQ(result, AVB_SLOT_VERIFY_RESULT_ERROR_VERIFICATION);
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}
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} /* namespace avb */
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