1    :  // Copyright 2012 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/pe/transforms/add_pdb_info_transform.h"
  16    :  
  17    :  #include "gtest/gtest.h"
  18    :  #include "syzygy/block_graph/typed_block.h"
  19    :  #include "syzygy/core/unittest_util.h"
  20    :  #include "syzygy/pe/decomposer.h"
  21    :  #include "syzygy/pe/unittest_util.h"
  22    :  
  23    :  namespace pe {
  24    :  namespace transforms {
  25    :  
  26    :  using block_graph::TypedBlock;
  27    :  
  28    :  namespace {
  29    :  
  30  E :  const base::FilePath kPdbPath(L"dummy.pdb");
  31    :  const uint32 kPdbAge = 0;
  32    :  const GUID kPdbGuid = { 0x11111111, 0x2222, 0x3333,
  33    :                          { 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB } };
  34    :  
  35    :  class AddPdbInfoTransformTest : public testing::PELibUnitTest {
  36    :   public:
  37    :    AddPdbInfoTransformTest()
  38    :        : image_layout_(&block_graph_),
  39  E :          dos_header_block_(NULL) {
  40  E :    }
  41    :  
  42    :    ImageLayout image_layout_;
  43    :    BlockGraph block_graph_;
  44    :    BlockGraph::Block* dos_header_block_;
  45    :  };
  46    :  
  47    :  }  // namespace
  48    :  
  49  E :  TEST_F(AddPdbInfoTransformTest, UpdateExisting) {
  50  E :    PEFile pe_file;
  51  E :    ASSERT_TRUE(pe_file.Init(testing::GetExeRelativePath(testing::kTestDllName)));
  52    :  
  53  E :    Decomposer decomposer(pe_file);
  54  E :    ASSERT_TRUE(decomposer.Decompose(&image_layout_));
  55    :  
  56    :    dos_header_block_ = image_layout_.blocks.GetBlockByAddress(
  57  E :        core::RelativeAddress(0));
  58  E :    ASSERT_TRUE(dos_header_block_ != NULL);
  59    :  
  60  E :    AddPdbInfoTransform transform(kPdbPath, kPdbAge, kPdbGuid);
  61    :    EXPECT_TRUE(block_graph::ApplyBlockGraphTransform(
  62  E :        &transform, &block_graph_, dos_header_block_));
  63    :  
  64    :    // TODO(chrisha): Create the image and the PDB in a temp directory and
  65    :    //     see if pe::FindPdbForModule can find it. If so, then so will the
  66    :    //     debug machinery.
  67  E :  }
  68    :  
  69  E :  TEST_F(AddPdbInfoTransformTest, CreateNew) {
  70    :    // Create some empty dummy headers and hook them up.
  71    :    dos_header_block_ = block_graph_.AddBlock(
  72  E :        BlockGraph::DATA_BLOCK, sizeof(IMAGE_DOS_HEADER), "Dos Header");
  73  E :    ASSERT_TRUE(dos_header_block_ != NULL);
  74  E :    dos_header_block_->AllocateData(sizeof(IMAGE_DOS_HEADER));
  75    :  
  76    :    BlockGraph::Block* nt_headers_block = block_graph_.AddBlock(
  77  E :        BlockGraph::DATA_BLOCK, sizeof(IMAGE_NT_HEADERS), "Nt Headers");
  78  E :    ASSERT_TRUE(nt_headers_block != NULL);
  79  E :    nt_headers_block->AllocateData(sizeof(IMAGE_NT_HEADERS));
  80    :  
  81    :    dos_header_block_->SetReference(
  82    :        offsetof(IMAGE_DOS_HEADER, e_lfanew),
  83    :        BlockGraph::Reference(BlockGraph::RELATIVE_REF,
  84    :                              sizeof(core::RelativeAddress),
  85    :                              nt_headers_block,
  86  E :                              0, 0));
  87    :  
  88    :  
  89  E :    AddPdbInfoTransform transform(kPdbPath, kPdbAge, kPdbGuid);
  90    :    EXPECT_TRUE(block_graph::ApplyBlockGraphTransform(
  91  E :        &transform, &block_graph_, dos_header_block_));
  92  E :  }
  93    :  
  94    :  }  // namespace transforms
  95    :  }  // namespace pe