diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/linux/file_id_unittest.cc')
| -rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/linux/file_id_unittest.cc | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/linux/file_id_unittest.cc b/toolkit/crashreporter/google-breakpad/src/common/linux/file_id_unittest.cc deleted file mode 100644 index 3a8193034..000000000 --- a/toolkit/crashreporter/google-breakpad/src/common/linux/file_id_unittest.cc +++ /dev/null @@ -1,338 +0,0 @@ -// Copyright (c) 2010, Google Inc. -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Unit tests for FileID - -#include <elf.h> -#include <stdlib.h> - -#include <string> -#include <vector> - -#include "common/linux/elf_gnu_compat.h" -#include "common/linux/elfutils.h" -#include "common/linux/file_id.h" -#include "common/linux/safe_readlink.h" -#include "common/linux/synth_elf.h" -#include "common/test_assembler.h" -#include "common/tests/auto_tempdir.h" -#include "common/using_std_string.h" -#include "breakpad_googletest_includes.h" - -using namespace google_breakpad; -using google_breakpad::synth_elf::ELF; -using google_breakpad::synth_elf::Notes; -using google_breakpad::test_assembler::kLittleEndian; -using google_breakpad::test_assembler::Section; -using std::vector; -using ::testing::Types; - -namespace { - -// Simply calling Section::Append(size, byte) produces a uninteresting pattern -// that tends to get hashed to 0000...0000. This populates the section with -// data to produce better hashes. -void PopulateSection(Section* section, int size, int prime_number) { - for (int i = 0; i < size; i++) - section->Append(1, (i % prime_number) % 256); -} - -typedef wasteful_vector<uint8_t> id_vector; - -} // namespace - -#ifndef __ANDROID__ -// This test is disabled on Android: It will always fail, since there is no -// 'strip' binary installed on test devices. -TEST(FileIDStripTest, StripSelf) { - // Calculate the File ID of this binary using - // FileID::ElfFileIdentifier, then make a copy of this binary, - // strip it, and ensure that the result is the same. - char exe_name[PATH_MAX]; - ASSERT_TRUE(SafeReadLink("/proc/self/exe", exe_name)); - - // copy our binary to a temp file, and strip it - AutoTempDir temp_dir; - string templ = temp_dir.path() + "/file-id-unittest"; - char cmdline[4096]; - sprintf(cmdline, "cp \"%s\" \"%s\"", exe_name, templ.c_str()); - ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; - sprintf(cmdline, "chmod u+w \"%s\"", templ.c_str()); - ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; - sprintf(cmdline, "strip \"%s\"", templ.c_str()); - ASSERT_EQ(0, system(cmdline)) << "Failed to execute: " << cmdline; - - PageAllocator allocator; - id_vector identifier1(&allocator, kDefaultBuildIdSize); - id_vector identifier2(&allocator, kDefaultBuildIdSize); - - FileID fileid1(exe_name); - EXPECT_TRUE(fileid1.ElfFileIdentifier(identifier1)); - FileID fileid2(templ.c_str()); - EXPECT_TRUE(fileid2.ElfFileIdentifier(identifier2)); - - string identifier_string1 = - FileID::ConvertIdentifierToUUIDString(identifier1); - string identifier_string2 = - FileID::ConvertIdentifierToUUIDString(identifier2); - EXPECT_EQ(identifier_string1, identifier_string2); -} -#endif // !__ANDROID__ - -template<typename ElfClass> -class FileIDTest : public testing::Test { -public: - void GetElfContents(ELF& elf) { - string contents; - ASSERT_TRUE(elf.GetContents(&contents)); - ASSERT_LT(0U, contents.size()); - - elfdata_v.clear(); - elfdata_v.insert(elfdata_v.begin(), contents.begin(), contents.end()); - elfdata = &elfdata_v[0]; - } - - id_vector make_vector() { - return id_vector(&allocator, kDefaultBuildIdSize); - } - - template<size_t N> - string get_file_id(const uint8_t (&data)[N]) { - id_vector expected_identifier(make_vector()); - expected_identifier.insert(expected_identifier.end(), - &data[0], - data + N); - return FileID::ConvertIdentifierToUUIDString(expected_identifier); - } - - vector<uint8_t> elfdata_v; - uint8_t* elfdata; - PageAllocator allocator; -}; - -typedef Types<ElfClass32, ElfClass64> ElfClasses; - -TYPED_TEST_CASE(FileIDTest, ElfClasses); - -TYPED_TEST(FileIDTest, ElfClass) { - const char expected_identifier_string[] = - "80808080808000000000008080808080"; - const size_t kTextSectionSize = 128; - - ELF elf(EM_386, TypeParam::kClass, kLittleEndian); - Section text(kLittleEndian); - for (size_t i = 0; i < kTextSectionSize; ++i) { - text.D8(i * 3); - } - elf.AddSection(".text", text, SHT_PROGBITS); - elf.Finish(); - this->GetElfContents(elf); - - id_vector identifier(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier)); - - string identifier_string = FileID::ConvertIdentifierToUUIDString(identifier); - EXPECT_EQ(expected_identifier_string, identifier_string); -} - -TYPED_TEST(FileIDTest, BuildID) { - const uint8_t kExpectedIdentifierBytes[] = - {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13}; - const string expected_identifier_string = - this->get_file_id(kExpectedIdentifierBytes); - - ELF elf(EM_386, TypeParam::kClass, kLittleEndian); - Section text(kLittleEndian); - text.Append(4096, 0); - elf.AddSection(".text", text, SHT_PROGBITS); - Notes notes(kLittleEndian); - notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifierBytes, - sizeof(kExpectedIdentifierBytes)); - elf.AddSection(".note.gnu.build-id", notes, SHT_NOTE); - elf.Finish(); - this->GetElfContents(elf); - - id_vector identifier(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier)); - EXPECT_EQ(sizeof(kExpectedIdentifierBytes), identifier.size()); - - string identifier_string = FileID::ConvertIdentifierToUUIDString(identifier); - EXPECT_EQ(expected_identifier_string, identifier_string); -} - -// Test that a build id note with fewer bytes than usual is handled. -TYPED_TEST(FileIDTest, BuildIDShort) { - const uint8_t kExpectedIdentifierBytes[] = - {0x00, 0x01, 0x02, 0x03}; - const string expected_identifier_string = - this->get_file_id(kExpectedIdentifierBytes); - - ELF elf(EM_386, TypeParam::kClass, kLittleEndian); - Section text(kLittleEndian); - text.Append(4096, 0); - elf.AddSection(".text", text, SHT_PROGBITS); - Notes notes(kLittleEndian); - notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifierBytes, - sizeof(kExpectedIdentifierBytes)); - elf.AddSection(".note.gnu.build-id", notes, SHT_NOTE); - elf.Finish(); - this->GetElfContents(elf); - - id_vector identifier(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier)); - EXPECT_EQ(sizeof(kExpectedIdentifierBytes), identifier.size()); - - string identifier_string = FileID::ConvertIdentifierToUUIDString(identifier); - EXPECT_EQ(expected_identifier_string, identifier_string); -} - -// Test that a build id note with more bytes than usual is handled. -TYPED_TEST(FileIDTest, BuildIDLong) { - const uint8_t kExpectedIdentifierBytes[] = - {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; - const string expected_identifier_string = - this->get_file_id(kExpectedIdentifierBytes); - - ELF elf(EM_386, TypeParam::kClass, kLittleEndian); - Section text(kLittleEndian); - text.Append(4096, 0); - elf.AddSection(".text", text, SHT_PROGBITS); - Notes notes(kLittleEndian); - notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifierBytes, - sizeof(kExpectedIdentifierBytes)); - elf.AddSection(".note.gnu.build-id", notes, SHT_NOTE); - elf.Finish(); - this->GetElfContents(elf); - - id_vector identifier(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier)); - EXPECT_EQ(sizeof(kExpectedIdentifierBytes), identifier.size()); - - string identifier_string = FileID::ConvertIdentifierToUUIDString(identifier); - EXPECT_EQ(expected_identifier_string, identifier_string); -} - -TYPED_TEST(FileIDTest, BuildIDPH) { - const uint8_t kExpectedIdentifierBytes[] = - {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13}; - const string expected_identifier_string = - this->get_file_id(kExpectedIdentifierBytes); - - ELF elf(EM_386, TypeParam::kClass, kLittleEndian); - Section text(kLittleEndian); - text.Append(4096, 0); - elf.AddSection(".text", text, SHT_PROGBITS); - Notes notes(kLittleEndian); - notes.AddNote(0, "Linux", - reinterpret_cast<const uint8_t *>("\0x42\0x02\0\0"), 4); - notes.AddNote(NT_GNU_BUILD_ID, "GNU", kExpectedIdentifierBytes, - sizeof(kExpectedIdentifierBytes)); - int note_idx = elf.AddSection(".note", notes, SHT_NOTE); - elf.AddSegment(note_idx, note_idx, PT_NOTE); - elf.Finish(); - this->GetElfContents(elf); - - id_vector identifier(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier)); - EXPECT_EQ(sizeof(kExpectedIdentifierBytes), identifier.size()); - - string identifier_string = FileID::ConvertIdentifierToUUIDString(identifier); - EXPECT_EQ(expected_identifier_string, identifier_string); -} - -// Test to make sure two files with different text sections produce -// different hashes when not using a build id. -TYPED_TEST(FileIDTest, UniqueHashes) { - { - ELF elf1(EM_386, TypeParam::kClass, kLittleEndian); - Section foo_1(kLittleEndian); - PopulateSection(&foo_1, 32, 5); - elf1.AddSection(".foo", foo_1, SHT_PROGBITS); - Section text_1(kLittleEndian); - PopulateSection(&text_1, 4096, 17); - elf1.AddSection(".text", text_1, SHT_PROGBITS); - elf1.Finish(); - this->GetElfContents(elf1); - } - - id_vector identifier_1(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier_1)); - string identifier_string_1 = - FileID::ConvertIdentifierToUUIDString(identifier_1); - - { - ELF elf2(EM_386, TypeParam::kClass, kLittleEndian); - Section text_2(kLittleEndian); - Section foo_2(kLittleEndian); - PopulateSection(&foo_2, 32, 5); - elf2.AddSection(".foo", foo_2, SHT_PROGBITS); - PopulateSection(&text_2, 4096, 31); - elf2.AddSection(".text", text_2, SHT_PROGBITS); - elf2.Finish(); - this->GetElfContents(elf2); - } - - id_vector identifier_2(this->make_vector()); - EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(this->elfdata, - identifier_2)); - string identifier_string_2 = - FileID::ConvertIdentifierToUUIDString(identifier_2); - - EXPECT_NE(identifier_string_1, identifier_string_2); -} - -TYPED_TEST(FileIDTest, ConvertIdentifierToString) { - const uint8_t kIdentifierBytes[] = - {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F}; - const char* kExpected = - "000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"; - - id_vector identifier(this->make_vector()); - identifier.insert(identifier.end(), - kIdentifierBytes, - kIdentifierBytes + sizeof(kIdentifierBytes)); - ASSERT_EQ(kExpected, - FileID::ConvertIdentifierToString(identifier)); -} |