mirror of
https://github.com/firestar5683/StarPilot.git
synced 2026-11-08 05:23:41 +08:00
firestar5683
ab81464bd1
Add navigation and map matching providers with the vendored map service sources. Co-authored-by: Daniel Koepping <elkoled@gmail.com> Co-authored-by: Danny <dannyirwin31@yahoo.com> Co-authored-by: Prabhaav Pillai <prabhaav@msu.edu> Co-authored-by: dirwin31 <83434411+dirwin31@users.noreply.github.com>
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
"""Standard-library checks shared by Mapd packaging and launch preflight."""
|
|
|
|
import hashlib
|
|
import json
|
|
from pathlib import Path
|
|
import struct
|
|
from typing import BinaryIO
|
|
|
|
|
|
def source_digest(source: Path) -> str:
|
|
files = {path.relative_to(source).as_posix(): hashlib.sha256(path.read_bytes()).hexdigest()
|
|
for path in source.rglob('*') if path.is_file() and path.name != '.DS_Store' and
|
|
path.relative_to(source).parts[0] not in ('.git', 'build', 'media', 'offline')}
|
|
return hashlib.sha256(json.dumps(files, sort_keys=True).encode()).hexdigest()
|
|
|
|
|
|
def elf_arm64_static_file(file: BinaryIO) -> bool:
|
|
"""Check the actual ELF target and absence of a dynamic interpreter."""
|
|
file.seek(0)
|
|
header = file.read(64)
|
|
if len(header) != 64 or header[:4] != b'\x7fELF' or header[4] != 2 or header[5] != 1:
|
|
return False
|
|
if struct.unpack_from('<H', header, 18)[0] != 183: # EM_AARCH64
|
|
return False
|
|
program_offset = struct.unpack_from('<Q', header, 32)[0]
|
|
entry_size = struct.unpack_from('<H', header, 54)[0]
|
|
entry_count = struct.unpack_from('<H', header, 56)[0]
|
|
if entry_size < 56 or entry_count == 0 or entry_count > 128:
|
|
return False
|
|
if program_offset > 1 << 32 or entry_size * entry_count > 1 << 20:
|
|
return False
|
|
file.seek(program_offset)
|
|
for _ in range(entry_count):
|
|
entry = file.read(entry_size)
|
|
if len(entry) != entry_size:
|
|
return False
|
|
if struct.unpack_from('<I', entry)[0] in (2, 3): # PT_DYNAMIC, PT_INTERP
|
|
return False
|
|
return True
|
|
|
|
|
|
def elf_arm64_static(path: Path) -> bool:
|
|
with path.open('rb') as file:
|
|
return elf_arm64_static_file(file)
|