refactor: cleanup, create unittest, fix get_physical_address

tests/test_superpe.py

@@ -0,0 +1,68 @@
+from typing import List, Dict
+import unittest
+import pefile
+
+from pe.superpe import SuperPe, PeSection
+from model.defs import *
+
+
+class SuperPeTest(unittest.TestCase):
+
+    def test_exe(self):
+        pass
+
+
+    def test_dll(self):
+        dll_filepath = PATH_EXES + "libbz2-1.dll"
+        superpe = SuperPe(dll_filepath)
+
+        # Properties
+        self.assertTrue(superpe.is_dll())
+        self.assertTrue(superpe.is_64())
+        self.assertFalse(superpe.is_dotnet())
+        self.assertEqual(superpe.get_entrypoint(), 0x1350)
+        self.assertIsNone(superpe.get_rwx_section())
+
+        # Text Section 1 (pefile SectionStructure)
+        code_sect: pefile.SectionStructure = superpe.get_code_section()
+        self.assertEqual(code_sect.Name.decode(), ".text\x00\x00\x00")
+        self.assertEqual(code_sect.VirtualAddress, 0x1000)
+        self.assertEqual(code_sect.Misc_VirtualSize, 0x12D08)
+
+        # Text Section 2 (PeSection)
+        code_pesect: PeSection = superpe.get_section_by_name(".text")
+        self.assertEqual(code_pesect.name, ".text")
+        self.assertEqual(code_pesect.virt_addr, 0x1000)
+        self.assertEqual(code_pesect.virt_size, 0x12D08)
+
+        # Relocations
+        base_relocs: List[PeRelocEntry] = superpe.get_base_relocs()
+        self.assertEqual(len(base_relocs), 54)
+        base_reloc = base_relocs[0]
+        self.assertEqual(base_reloc.rva, 0x13CE8)
+        self.assertEqual(base_reloc.base_rva, 0x13000)
+        self.assertEqual(base_reloc.offset, 0xCE8)
+
+        # IAT
+        iat_entries: Dict[str, IatEntry] = superpe.get_iat_entries()
+        self.assertEqual(len(iat_entries), 2)
+        self.assertTrue("KERNEL32.dll" in iat_entries)
+        self.assertTrue("msvcrt.dll" in iat_entries)
+        kernel32_entries = iat_entries["KERNEL32.dll"]
+        self.assertEqual(len(kernel32_entries), 12)
+        entry = kernel32_entries[0]
+        self.assertEqual(entry.dll_name, "KERNEL32.dll")
+        self.assertEqual(entry.func_name, "DeleteCriticalSection")
+        self.assertEqual(entry.iat_vaddr, 0x1f13db1c4)
+
+        # Exports
+        exports = superpe.get_exports_full()
+        self.assertEqual(len(exports), 35)
+        export = exports[0]
+        self.assertEqual(export["name"], "BZ2_blockSort")
+        self.assertEqual(export["addr"], 0x2FC0)
+        self.assertEqual(export["size"], 416)
+
+        # VRA/Virt to Phys/Raw
+        raw = superpe.get_physical_address(0xD690)  # BZ2_bzdopen export
+        self.assertEqual(raw, 0xCA90)