def __init__(self, *, path: str) -> None:
"""Initialize an ElfFile instance.
:param str path: path to an elf_file within a snapcraft project.
"""
self.path = path
self.dependencies = set() # type: Set[Library]
self.arch: Optional[ElfArchitectureTuple] = None
self.interp: str = ""
self.soname: str = ""
self.versions: Set[str] = set()
self.needed: Dict[str, NeededLibrary] = dict()
self.execstack_set: bool = False
self.is_dynamic: bool = True
self.build_id: str = ""
self.has_debug_info: bool = False
# String of elf enum type, e.g. "ET_DYN", "ET_EXEC", etc.
self.elf_type: str = "ET_NONE"
try:
logger.debug(f"Extracting ELF attributes: {path}")
self._extract_attributes()
except (UnicodeDecodeError, AttributeError,
ConstructError) as exception:
logger.debug(
f"Extracting ELF attributes exception: {str(exception)}")
raise errors.CorruptedElfFileError(path, exception)
def __init__(self, *, path: str) -> None:
"""Initialize an ElfFile instance.
:param str path: path to an elf_file within a snapcraft project.
"""
self.path = path
self.dependencies = set() # type: Set[Library]
try:
elf_data = self._extract(path)
except (UnicodeDecodeError, AttributeError) as exception:
raise errors.CorruptedElfFileError(path, exception)
self.arch = elf_data[0]
self.interp = elf_data[1]
self.soname = elf_data[2]
self.needed = elf_data[3]
self.execstack_set = elf_data[4]
self.is_dynamic = elf_data[5]
def __init__(self, *, path: str) -> None:
"""Initialize an ElfFile instance.
:param str path: path to an elf_file within a snapcraft project.
"""
self.path = path
self.dependencies = set() # type: Set[Library]
self.arch: Optional[ElfArchitectureTuple] = None
self.interp: str = ""
self.soname: str = ""
self.needed: Dict[str, NeededLibrary] = dict()
self.execstack_set: bool = False
self.is_dynamic: bool = True
self.build_id: str = ""
self.has_debug_info: bool = False
try:
self._extract_attributes()
except (UnicodeDecodeError, AttributeError) as exception:
raise errors.CorruptedElfFileError(path, exception)
def test_is_valid_elf_ignores_corrupt_files(self):
soname = "libssl.so.1.0.0"
soname_path = os.path.join(self.path, soname)
library = elf.Library(
soname=soname,
soname_path=soname_path,
search_paths=[self.path],
core_base_path="/snap/core/current",
arch=("ELFCLASS64", "ELFDATA2LSB", "EM_X86_64"),
soname_cache=elf.SonameCache(),
)
self.assertThat(library._is_valid_elf(soname_path), Equals(True))
self.useFixture(
fixtures.MockPatch(
"snapcraft.internal.elf.ElfFile",
side_effect=errors.CorruptedElfFileError(path=soname_path,
error=RuntimeError()),
))
self.assertThat(library._is_valid_elf(soname_path), Equals(False))