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* Updated breakpad to latest version.

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This commit is contained in:
Christian Muehlhaeuser
2012-06-24 18:25:34 +02:00
parent 0a3a9a7e97
commit d3eb5c3f88
186 changed files with 9184 additions and 5835 deletions
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119
thirdparty/breakpad/common/linux/file_id_unittest.cc vendored
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@@ -33,39 +33,52 @@
#include <stdlib.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 "breakpad_googletest_includes.h"
using namespace google_breakpad;
using google_breakpad::SafeReadLink;
using google_breakpad::synth_elf::BuildIDNote;
using google_breakpad::synth_elf::ELF;
using google_breakpad::test_assembler::kLittleEndian;
using google_breakpad::test_assembler::Section;
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);
}
} // namespace
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];
ssize_t len = readlink("/proc/self/exe", exe_name, PATH_MAX - 1);
ASSERT_NE(len, -1);
exe_name[len] = '\0';
ASSERT_TRUE(SafeReadLink("/proc/self/exe", exe_name));
// copy our binary to a temp file, and strip it
char templ[] = "/tmp/file-id-unittest-XXXXXX";
mktemp(templ);
AutoTempDir temp_dir;
std::string templ = temp_dir.path() + "/file-id-unittest";
char cmdline[4096];
sprintf(cmdline, "cp \"%s\" \"%s\"", exe_name, templ);
sprintf(cmdline, "cp \"%s\" \"%s\"", exe_name, templ.c_str());
ASSERT_EQ(system(cmdline), 0);
sprintf(cmdline, "strip \"%s\"", templ);
sprintf(cmdline, "strip \"%s\"", templ.c_str());
ASSERT_EQ(system(cmdline), 0);
uint8_t identifier1[sizeof(MDGUID)];
uint8_t identifier2[sizeof(MDGUID)];
FileID fileid1(exe_name);
EXPECT_TRUE(fileid1.ElfFileIdentifier(identifier1));
FileID fileid2(templ);
FileID fileid2(templ.c_str());
EXPECT_TRUE(fileid2.ElfFileIdentifier(identifier2));
char identifier_string1[37];
char identifier_string2[37];
@@ -74,7 +87,6 @@ TEST(FileIDStripTest, StripSelf) {
FileID::ConvertIdentifierToString(identifier2, identifier_string2,
37);
EXPECT_STREQ(identifier_string1, identifier_string2);
unlink(templ);
}
class FileIDTest : public testing::Test {
@@ -181,3 +193,92 @@ TEST_F(FileIDTest, BuildID) {
sizeof(identifier_string));
EXPECT_STREQ(expected_identifier_string, identifier_string);
}
// Test to make sure two files with different text sections produce
// different hashes when not using a build id.
TEST_F(FileIDTest, UniqueHashes32) {
char identifier_string_1[] =
"00000000-0000-0000-0000-000000000000";
char identifier_string_2[] =
"00000000-0000-0000-0000-000000000000";
uint8_t identifier_1[sizeof(MDGUID)];
uint8_t identifier_2[sizeof(MDGUID)];
{
ELF elf1(EM_386, ELFCLASS32, 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();
GetElfContents(elf1);
}
EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_1));
FileID::ConvertIdentifierToString(identifier_1, identifier_string_1,
sizeof(identifier_string_1));
{
ELF elf2(EM_386, ELFCLASS32, 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();
GetElfContents(elf2);
}
EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_2));
FileID::ConvertIdentifierToString(identifier_2, identifier_string_2,
sizeof(identifier_string_2));
EXPECT_STRNE(identifier_string_1, identifier_string_2);
}
// Same as UniqueHashes32, for x86-64.
TEST_F(FileIDTest, UniqueHashes64) {
char identifier_string_1[] =
"00000000-0000-0000-0000-000000000000";
char identifier_string_2[] =
"00000000-0000-0000-0000-000000000000";
uint8_t identifier_1[sizeof(MDGUID)];
uint8_t identifier_2[sizeof(MDGUID)];
{
ELF elf1(EM_X86_64, ELFCLASS64, 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();
GetElfContents(elf1);
}
EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_1));
FileID::ConvertIdentifierToString(identifier_1, identifier_string_1,
sizeof(identifier_string_1));
{
ELF elf2(EM_X86_64, ELFCLASS64, 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();
GetElfContents(elf2);
}
EXPECT_TRUE(FileID::ElfFileIdentifierFromMappedFile(elfdata, identifier_2));
FileID::ConvertIdentifierToString(identifier_2, identifier_string_2,
sizeof(identifier_string_2));
EXPECT_STRNE(identifier_string_1, identifier_string_2);
}