diff options
Diffstat (limited to 'src/processor/exploitability_unittest.cc')
| -rw-r--r-- | src/processor/exploitability_unittest.cc | 152 |
1 files changed, 12 insertions, 140 deletions
diff --git a/src/processor/exploitability_unittest.cc b/src/processor/exploitability_unittest.cc index 528ee5f2..bc1823c6 100644 --- a/src/processor/exploitability_unittest.cc +++ b/src/processor/exploitability_unittest.cc @@ -1,5 +1,4 @@ -// Copyright (c) 2010, Google Inc. -// All rights reserved. +// Copyright 2010 Google LLC // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are @@ -11,7 +10,7 @@ // 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 +// * Neither the name of Google LLC nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // @@ -25,11 +24,12 @@ // 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 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include <stdlib.h> #include <unistd.h> +#include <type_traits> #include <string> #include "breakpad_googletest_includes.h" @@ -37,22 +37,13 @@ #include "google_breakpad/processor/basic_source_line_resolver.h" #include "google_breakpad/processor/minidump_processor.h" #include "google_breakpad/processor/process_state.h" -#ifndef _WIN32 +#ifdef __linux__ #include "processor/exploitability_linux.h" -#endif // _WIN32 +#endif // __linux__ #include "processor/simple_symbol_supplier.h" -#ifndef _WIN32 +#ifdef __linux__ namespace google_breakpad { - -class ExploitabilityLinuxTest : public ExploitabilityLinux { - public: - using ExploitabilityLinux::CalculateAddress; - using ExploitabilityLinux::DisassembleBytes; - using ExploitabilityLinux::GetObjdumpInstructionLine; - using ExploitabilityLinux::TokenizeObjdumpInstruction; -}; - class ExploitabilityLinuxTestMinidumpContext : public MinidumpContext { public: explicit ExploitabilityLinuxTestMinidumpContext( @@ -64,15 +55,14 @@ class ExploitabilityLinuxTestMinidumpContext : public MinidumpContext { }; } // namespace google_breakpad -#endif // _WIN32 +#endif // __linux__ namespace { using google_breakpad::BasicSourceLineResolver; -#ifndef _WIN32 -using google_breakpad::ExploitabilityLinuxTest; +#ifdef __linux__ using google_breakpad::ExploitabilityLinuxTestMinidumpContext; -#endif // _WIN32 +#endif // __linux__ using google_breakpad::MinidumpProcessor; using google_breakpad::ProcessState; using google_breakpad::SimpleSymbolSupplier; @@ -171,7 +161,7 @@ TEST(ExploitabilityTest, TestLinuxEngine) { ExploitabilityFor("linux_executable_heap.dmp")); ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH, ExploitabilityFor("linux_jmp_to_module_not_exe_region.dmp")); -#ifndef _WIN32 +#ifdef __linux__ ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH, ExploitabilityFor("linux_write_to_nonwritable_module.dmp")); ASSERT_EQ(google_breakpad::EXPLOITABILITY_HIGH, @@ -182,125 +172,7 @@ TEST(ExploitabilityTest, TestLinuxEngine) { ExploitabilityFor("linux_write_to_outside_module_via_math.dmp")); ASSERT_EQ(google_breakpad::EXPLOITABILITY_INTERESTING, ExploitabilityFor("linux_write_to_under_4k.dmp")); -#endif // _WIN32 -} - -#ifndef _WIN32 -TEST(ExploitabilityLinuxUtilsTest, DisassembleBytesTest) { - ASSERT_FALSE(ExploitabilityLinuxTest::DisassembleBytes("", NULL, 5, NULL)); - uint8_t bytes[6] = {0xc7, 0x0, 0x5, 0x0, 0x0, 0x0}; - char buffer[1024] = {0}; - ASSERT_TRUE(ExploitabilityLinuxTest::DisassembleBytes("i386:x86-64", - bytes, - 1024, - buffer)); - std::stringstream objdump_stream; - objdump_stream.str(string(buffer)); - string line = ""; - while (line.find("<.data>") == string::npos) - getline(objdump_stream, line); - getline(objdump_stream, line); - ASSERT_EQ(line, " 0:\tc7 00 05 00 00 00 \tmov DWORD PTR [rax],0x5"); -} - -TEST(ExploitabilityLinuxUtilsTest, GetObjdumpInstructionLine) { - string disassebly = - "\n" - "/tmp/breakpad_mem_region-raw_bytes-tMmMo0: file format binary\n" - "// Trying to confuse the parser 0:\n" - "\n" - "Disassembly of section .data:\n" - "\n" - "0000000000000000 <.data>:\n" - " 0:\tc7 00 01 00 00 00 \tmov DWORD PTR [rax],0x1\n" - " 6:\t5d \tpop rbp\n" - " 7:\tc3 \tret \n" - " 8:\t55 \tpush rbp\n" - " 9:\t48 89 e5 \tmov rbp,rsp\n" - " c:\t53 \tpush rbx\n" - " d:\t48 \trex.W\n" - " e:\t81 \t.byte 0x81\n"; - string line; - EXPECT_TRUE(ExploitabilityLinuxTest::GetObjdumpInstructionLine( - disassebly.c_str(), &line)); - EXPECT_EQ(" 0:\tc7 00 01 00 00 00 \tmov DWORD PTR [rax],0x1", line); - - // There is no "0:" after "<.data>:". Expected to return false. - disassebly = - "\n" - "/tmp/breakpad_mem_region-raw_bytes-tMmMo0: file format binary\n" - "// Trying to confuse the parser 0:\n" - "\n" - "Disassembly of section .data:\n" - "\n" - " 0:\tc7 00 01 00 00 00 \tmov DWORD PTR [rax],0x1\n" - " 6:\t5d \tpop rbp\n" - " 7:\tc3 \tret \n" - " 8:\t55 \tpush rbp\n" - " 9:\t48 89 e5 \tmov rbp,rsp\n" - " d:\t48 \trex.W\n" - "0000000000000000 <.data>:\n" - " c:\t53 \tpush rbx\n"; - EXPECT_FALSE(ExploitabilityLinuxTest::GetObjdumpInstructionLine( - disassebly.c_str(), &line)); -} - -TEST(ExploitabilityLinuxUtilsTest, TokenizeObjdumpInstructionTest) { - ASSERT_FALSE(ExploitabilityLinuxTest::TokenizeObjdumpInstruction("", - NULL, - NULL, - NULL)); - string line = "0: c7 00 05 00 00 00 mov DWORD PTR [rax],0x5"; - string operation = ""; - string dest = ""; - string src = ""; - ASSERT_TRUE(ExploitabilityLinuxTest::TokenizeObjdumpInstruction(line, - &operation, - &dest, - &src)); - ASSERT_EQ(operation, "mov"); - ASSERT_EQ(dest, "[rax]"); - ASSERT_EQ(src, "0x5"); - line = "0: c3 ret"; - ASSERT_TRUE(ExploitabilityLinuxTest::TokenizeObjdumpInstruction(line, - &operation, - &dest, - &src)); - ASSERT_EQ(operation, "ret"); - ASSERT_EQ(dest, ""); - ASSERT_EQ(src, ""); - line = "0: 5f pop rdi"; - ASSERT_TRUE(ExploitabilityLinuxTest::TokenizeObjdumpInstruction(line, - &operation, - &dest, - &src)); - ASSERT_EQ(operation, "pop"); - ASSERT_EQ(dest, "rdi"); - ASSERT_EQ(src, ""); -} - -TEST(ExploitabilityLinuxUtilsTest, CalculateAddressTest) { - MDRawContextAMD64 raw_context; - raw_context.rdx = 12345; - ExploitabilityLinuxTestMinidumpContext context(raw_context); - ASSERT_EQ(context.GetContextAMD64()->rdx, 12345U); - ASSERT_FALSE(ExploitabilityLinuxTest::CalculateAddress("", context, NULL)); - uint64_t write_address = 0; - ASSERT_TRUE(ExploitabilityLinuxTest::CalculateAddress("rdx-0x4D2", - context, - &write_address)); - ASSERT_EQ(write_address, 11111U); - ASSERT_TRUE(ExploitabilityLinuxTest::CalculateAddress("rdx+0x4D2", - context, - &write_address)); - ASSERT_EQ(write_address, 13579U); - ASSERT_FALSE(ExploitabilityLinuxTest::CalculateAddress("rdx+rax", - context, - &write_address)); - ASSERT_FALSE(ExploitabilityLinuxTest::CalculateAddress("0x3482+0x4D2", - context, - &write_address)); +#endif // __linux__ } -#endif // _WIN32 } // namespace |