mirror of
https://github.com/angr/angr
synced 2026-06-08 13:09:39 +00:00
Matt Borgerson
17bad29fa6
* Initial pass, loosely following angr package layout * Many updates to use the 'common' module for binaries repo * Some unused imports and log handlers are cleaned up
75 lines
2.4 KiB
Python
Executable File
75 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# pylint: disable=missing-class-docstring,no-self-use,line-too-long
|
|
__package__ = __package__ or "tests.analyses" # pylint:disable=redefined-builtin
|
|
|
|
import logging
|
|
import os
|
|
import unittest
|
|
|
|
import angr
|
|
|
|
from ..common import bin_location
|
|
|
|
|
|
test_location = os.path.join(bin_location, "tests")
|
|
|
|
|
|
def run_tracker(track_mem, use_bp):
|
|
p = angr.Project(os.path.join(test_location, "x86_64", "fauxware"), auto_load_libs=False)
|
|
p.analyses.CFGFast()
|
|
main = p.kb.functions["main"]
|
|
sp = p.arch.sp_offset
|
|
regs = {sp}
|
|
if use_bp:
|
|
bp = p.arch.bp_offset
|
|
regs.add(bp)
|
|
sptracker = p.analyses.StackPointerTracker(main, regs, track_memory=track_mem)
|
|
sp_result = sptracker.offset_after(0x4007D4, sp)
|
|
if use_bp:
|
|
bp_result = sptracker.offset_after(0x4007D4, bp)
|
|
return sp_result, bp_result
|
|
else:
|
|
return sp_result
|
|
|
|
|
|
def init_tracker(track_mem):
|
|
p = angr.Project(os.path.join(test_location, "x86_64", "fauxware"), auto_load_libs=False)
|
|
p.analyses.CFGFast()
|
|
main = p.kb.functions["main"]
|
|
sp = p.arch.sp_offset
|
|
regs = {sp}
|
|
sptracker = p.analyses.StackPointerTracker(main, regs, track_memory=track_mem)
|
|
return sptracker, sp
|
|
|
|
|
|
class TestStackPointerTracker(unittest.TestCase):
|
|
def test_stack_pointer_tracker(self):
|
|
sp_result, bp_result = run_tracker(track_mem=True, use_bp=True)
|
|
assert sp_result == 8
|
|
assert bp_result == 0
|
|
|
|
def test_stack_pointer_tracker_no_mem(self):
|
|
sp_result, bp_result = run_tracker(track_mem=False, use_bp=True)
|
|
assert sp_result == 8
|
|
assert bp_result is None
|
|
|
|
def test_stack_pointer_tracker_just_sp(self):
|
|
sp_result = run_tracker(track_mem=False, use_bp=False)
|
|
assert sp_result is None
|
|
|
|
def test_stack_pointer_tracker_offset_block(self):
|
|
sptracker, sp = init_tracker(track_mem=False)
|
|
sp_result = sptracker.offset_after_block(0x40071D, sp)
|
|
assert sp_result is not None
|
|
sp_result = sptracker.offset_after_block(0x400700, sp)
|
|
assert sp_result is None
|
|
sp_result = sptracker.offset_before_block(0x40071D, sp)
|
|
assert sp_result is not None
|
|
sp_result = sptracker.offset_before_block(0x400700, sp)
|
|
assert sp_result is None
|
|
|
|
|
|
if __name__ == "__main__":
|
|
logging.getLogger("angr.analyses.stack_pointer_tracker").setLevel(logging.INFO)
|
|
unittest.main()
|