mirror of
https://github.com/angr/angr
synced 2026-06-08 13:09:39 +00:00
96 lines
4.0 KiB
Python
Executable File
96 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# pylint: disable=missing-class-docstring,no-self-use,line-too-long
|
|
from __future__ import annotations
|
|
|
|
__package__ = __package__ or "tests.sim.exec_func" # pylint:disable=redefined-builtin
|
|
|
|
import os
|
|
import unittest
|
|
|
|
import angr
|
|
|
|
from tests.common import bin_location
|
|
|
|
test_location = os.path.join(bin_location, "tests")
|
|
|
|
|
|
class TestStrFuncs(unittest.TestCase):
|
|
def test_strncpy(self):
|
|
# auto_load_libs can't be disabled as the test cases failed.
|
|
strncpy_amd64 = angr.Project(
|
|
os.path.join(test_location, "x86_64", "strncpy"),
|
|
load_options={"auto_load_libs": True},
|
|
exclude_sim_procedures_list=["strncpy"],
|
|
)
|
|
explorer = strncpy_amd64.factory.simulation_manager()
|
|
explorer.explore(find=[0x4005FF])
|
|
s = explorer.found[0]
|
|
result = s.solver.eval(s.memory.load(s.regs.rax, 16), cast_to=bytes)
|
|
assert result == b"why hello there\0"
|
|
|
|
def test_strncpy_size(self):
|
|
# auto_load_libs can't be disabled as the test cases failed.
|
|
strncpy_size_amd64 = angr.Project(
|
|
os.path.join(test_location, "x86_64", "strncpy-size"),
|
|
load_options={"auto_load_libs": True},
|
|
exclude_sim_procedures_list=["strncpy"],
|
|
)
|
|
explorer = strncpy_size_amd64.factory.simulation_manager()
|
|
cfg = strncpy_size_amd64.analyses.CFG(objects=[strncpy_size_amd64.loader.main_object], normalize=True)
|
|
explorer.use_technique(angr.exploration_techniques.LoopSeer(cfg=cfg, bound=50))
|
|
explorer.explore(find=[0x40064C])
|
|
s = explorer.found[0]
|
|
result = s.solver.eval(s.memory.load(s.regs.rax, 40), cast_to=bytes)
|
|
assert result == b"just testing things\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
|
|
|
def test_strncpy_verify_null(self):
|
|
# auto_load_libs can't be disabled as the test cases failed.
|
|
strncpy_verify_null_amd64 = angr.Project(
|
|
os.path.join(test_location, "x86_64", "strncpy-verify-null"),
|
|
load_options={"auto_load_libs": True},
|
|
exclude_sim_procedures_list=["strncpy"],
|
|
)
|
|
explorer = strncpy_verify_null_amd64.factory.simulation_manager()
|
|
cfg = strncpy_verify_null_amd64.analyses.CFG(
|
|
objects=[strncpy_verify_null_amd64.loader.main_object], normalize=True
|
|
)
|
|
explorer.use_technique(angr.exploration_techniques.LoopSeer(cfg=cfg, bound=50))
|
|
explorer.explore(find=[0x40064C])
|
|
s = explorer.found[0]
|
|
result = s.solver.eval(s.memory.load(s.regs.rax, 40), cast_to=bytes)
|
|
assert result == b"just testing things\0\0\0\0\0\0\0\0\0\0\0\0\0\0AAAAAA\0"
|
|
|
|
def test_strstr_and_strncpy(self):
|
|
# auto_load_libs can't be disabled as the test cases failed.
|
|
strstr_and_strncpy_amd64 = angr.Project(
|
|
os.path.join(test_location, "x86_64", "strstr_and_strncpy"),
|
|
load_options={"auto_load_libs": True},
|
|
exclude_sim_procedures_list=["strstr"],
|
|
)
|
|
explorer = strstr_and_strncpy_amd64.factory.simulation_manager()
|
|
cfg = strstr_and_strncpy_amd64.analyses.CFG(
|
|
objects=[strstr_and_strncpy_amd64.loader.main_object], normalize=True
|
|
)
|
|
explorer.use_technique(angr.exploration_techniques.LoopSeer(cfg=cfg, bound=50))
|
|
explorer.explore(find=[0x400657])
|
|
s = explorer.found[0]
|
|
result = s.solver.eval(s.memory.load(s.regs.rax, 15), cast_to=bytes)
|
|
assert result == b"hi th hi there\0"
|
|
|
|
def test_strstr(self):
|
|
# auto_load_libs can't be disabled as the test cases failed.
|
|
strstr_amd64 = angr.Project(
|
|
os.path.join(test_location, "x86_64", "strstr"),
|
|
load_options={"auto_load_libs": True},
|
|
exclude_sim_procedures_list=["strstr"],
|
|
)
|
|
explorer = strstr_amd64.factory.simulation_manager()
|
|
explorer.explore(find=[0x4005FB])
|
|
s = explorer.found[0]
|
|
result = s.solver.eval(s.memory.load(s.regs.rax, 9), cast_to=bytes)
|
|
assert result == b"hi there\0"
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|