mirror of
https://github.com/angr/angr
synced 2026-06-08 13:09:39 +00:00
Kevin Phoenix
76 lines
2.4 KiB
Python
Executable File
76 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# pylint: disable=missing-class-docstring,no-self-use,line-too-long
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from __future__ import annotations
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__package__ = __package__ or "tests.analyses" # pylint:disable=redefined-builtin
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import logging
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import os
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import unittest
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import angr
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from ..common import bin_location
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test_location = os.path.join(bin_location, "tests")
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def run_tracker(track_mem, use_bp):
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p = angr.Project(os.path.join(test_location, "x86_64", "fauxware"), auto_load_libs=False)
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p.analyses.CFGFast()
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main = p.kb.functions["main"]
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sp = p.arch.sp_offset
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regs = {sp}
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if use_bp:
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bp = p.arch.bp_offset
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regs.add(bp)
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sptracker = p.analyses.StackPointerTracker(main, regs, track_memory=track_mem)
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sp_result = sptracker.offset_after(0x4007D4, sp)
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if use_bp:
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bp_result = sptracker.offset_after(0x4007D4, bp)
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return sp_result, bp_result
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return sp_result
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def init_tracker(track_mem):
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p = angr.Project(os.path.join(test_location, "x86_64", "fauxware"), auto_load_libs=False)
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p.analyses.CFGFast()
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main = p.kb.functions["main"]
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sp = p.arch.sp_offset
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regs = {sp}
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sptracker = p.analyses.StackPointerTracker(main, regs, track_memory=track_mem)
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return sptracker, sp
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class TestStackPointerTracker(unittest.TestCase):
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def test_stack_pointer_tracker(self):
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sp_result, bp_result = run_tracker(track_mem=True, use_bp=True)
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assert sp_result == 8
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assert bp_result == 0
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def test_stack_pointer_tracker_no_mem(self):
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sp_result, bp_result = run_tracker(track_mem=False, use_bp=True)
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assert sp_result == 8
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assert bp_result is None
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def test_stack_pointer_tracker_just_sp(self):
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sp_result = run_tracker(track_mem=False, use_bp=False)
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assert sp_result is None
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def test_stack_pointer_tracker_offset_block(self):
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sptracker, sp = init_tracker(track_mem=False)
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sp_result = sptracker.offset_after_block(0x40071D, sp)
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assert sp_result is not None
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sp_result = sptracker.offset_after_block(0x400700, sp)
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assert sp_result is None
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sp_result = sptracker.offset_before_block(0x40071D, sp)
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assert sp_result is not None
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sp_result = sptracker.offset_before_block(0x400700, sp)
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assert sp_result is None
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if __name__ == "__main__":
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logging.getLogger("angr.analyses.stack_pointer_tracker").setLevel(logging.INFO)
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unittest.main()
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