voltron/tests/lldb_cli_tests.py at master · nutsi/voltron · GitHub

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"""

Tests that test voltron in the lldb cli driver

Tests:

Client -> Server -> LLDBAdaptor

Inside an LLDB CLI driver instance

"""

import tempfile

import sys

import json

import time

import logging

import pexpect

import os

from mock import Mock

from nose.tools import *

import voltron

from voltron.core import *

from voltron.api import *

from voltron.plugin import PluginManager, DebuggerAdaptorPlugin

from common import *

log = logging.getLogger('tests')

p = None

client = None

def setup():

global p, client, pm

log.info("setting up LLDB CLI tests")

voltron.setup_env()

# compile test inferior

pexpect.run("cc -o tests/inferior tests/inferior.c")

# start debugger

start_debugger()

time.sleep(1)

def teardown():

read_data()

p.terminate(True)

time.sleep(2)

def start_debugger(do_break=True):

global p, client

p = pexpect.spawn('lldb')

p.sendline("settings set target.x86-disassembly-flavor intel")

p.sendline("command script import dbgentry.py")

p.sendline("file tests/inferior")

p.sendline("voltron init")

p.sendline("process kill")

p.sendline("break delete 1")

if do_break:

p.sendline("b main")

p.sendline("run loop")

read_data()

client = Client()

def stop_debugger():

p.terminate(True)

def read_data():

try:

while True:

p.read_nonblocking(size=64, timeout=1)

except:

pass

def restart_debugger(do_break=True):

stop_debugger()

start_debugger(do_break)

def test_bad_request():

req = client.create_request('version')

req.request = 'xxx'

res = client.send_request(req)

assert res.is_error

assert res.code == 0x1002

def test_version():

req = client.create_request('version')

res = client.send_request(req)

assert res.api_version == 1.1

assert 'lldb' in res.host_version

def test_registers():

global registers

restart_debugger()

time.sleep(1)

read_data()

res = client.perform_request('registers')

registers = res.registers

assert res.status == 'success'

assert len(registers) > 0

assert registers['rip'] != 0

def test_memory():

restart_debugger()

time.sleep(1)

res = client.perform_request('memory', address=registers['rip'], length=0x40)

assert res.status == 'success'

assert len(res.memory) > 0

def test_state_stopped():

restart_debugger()

time.sleep(1)

res = client.perform_request('state')

assert res.is_success

assert res.state == "stopped"

def test_targets():

restart_debugger()

time.sleep(1)

res = client.perform_request('targets')

assert res.is_success

assert res.targets[0]['state'] == "stopped"

assert res.targets[0]['arch'] == "x86_64"

assert res.targets[0]['id'] == 0

assert res.targets[0]['file'].endswith('tests/inferior')

def test_stack():

restart_debugger()

time.sleep(1)

res = client.perform_request('stack', length=0x40)

assert res.status == 'success'

assert len(res.memory) > 0

def test_command():

restart_debugger()

time.sleep(1)

res = client.perform_request('command', command="reg read")

assert res.status == 'success'

assert len(res.output) > 0

assert 'rax' in res.output

def test_disassemble():

restart_debugger()

time.sleep(1)

res = client.perform_request('disassemble', count=0x20)

assert res.status == 'success'

assert len(res.disassembly) > 0

assert 'push' in res.disassembly

def test_dereference():

restart_debugger()

time.sleep(1)

res = client.perform_request('registers')

res = client.perform_request('dereference', pointer=res.registers['rsp'])

assert res.status == 'success'

assert res.output[0][0] == 'pointer'

assert res.output[-1][1] == 'start + 0x1'

def test_breakpoints():

restart_debugger()

time.sleep(1)

res = client.perform_request('breakpoints')

assert res.status == 'success'

assert len(res.breakpoints) == 1

assert res.breakpoints[0]['one_shot'] == False

assert res.breakpoints[0]['enabled']

assert res.breakpoints[0]['id'] == 1

assert res.breakpoints[0]['hit_count'] > 0

assert res.breakpoints[0]['locations'][0]['name'] == "inferior`main"

def test_multi():

global r1, r2

restart_debugger(True)

time.sleep(1)

r1, r2 = None, None

def send_req():

global r1, r2

r1, r2 = client.send_requests(api_request('targets', block=True), api_request('registers', block=True))

print "sent requests"

t = threading.Thread(target=send_req)

t.start()

time.sleep(5)

p.sendline("stepi")

time.sleep(5)

t.join()

print r1

print r2

assert r1.is_success

assert r1.targets[0]['state'] == "stopped"

assert r1.targets[0]['arch'] == "x86_64"

assert r1.targets[0]['id'] == 0

assert r1.targets[0]['file'].endswith('tests/inferior')

assert r2.status == 'success'

assert len(r2.registers) > 0

assert r2.registers['rip'] != 0

def test_capabilities():

restart_debugger(True)

res = client.perform_request('version')

assert res.capabilities == ['async']

voltron/tests/lldb_cli_tests.py at master · nutsi/voltron · GitHub

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