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pwncat/tests/test_platform.py
2021-06-18 14:10:56 -04:00

103 lines
2.8 KiB
Python

#!/usr/bin/env python3
import io
import os
import base64
import subprocess
import pytest
from pwncat.util import random_string
from pwncat.platform.windows import PowershellError
def test_platform_dir_io(session):
"""Test creating a directory and interacting with the contents"""
# Create a path object representing the new remote directory
path = session.platform.Path(random_string())
# Create the directory
path.mkdir()
# We construct a new path object to avoid cached stat results
assert session.platform.Path(str(path)).is_dir()
# Create a file
(path / "test.txt").touch()
assert "test.txt" in [item.name for item in path.iterdir()]
def test_platform_run(session):
# Ensure command output works
output_remote = session.platform.run(
["echo", "hello world"], shell=True, capture_output=True, text=True, check=True
)
assert output_remote.stdout == "hello world\n"
# Ensure we capture the process return code properly
with pytest.raises(subprocess.CalledProcessError):
session.platform.run("this_command_doesnt_exist", shell=True, check=True)
def test_platform_su(session):
"""Test running `su`"""
try:
session.platform.su("john", "P@ssw0rd")
session.platform.refresh_uid()
assert session.current_user().name == "john"
with pytest.raises(PermissionError):
session.platform.su("caleb", "wrongpassword")
except NotImplementedError:
pass
def test_platform_sudo(session):
"""Testing running `sudo`"""
try:
# We have permission to run `/bin/sh *`, so this should succeed
proc = session.platform.sudo(
"whoami", user="john", shell=True, stdout=subprocess.PIPE, text=True
)
output = proc.stdout.read().strip()
assert proc.wait() == 0
assert output == "john"
# We don't have permission to run a bare `whoami`, so this should fail
proc = session.platform.sudo(
["whoami"], user="john", shell=False, stdout=subprocess.PIPE, text=True
)
output = proc.stdout.read().strip()
assert proc.wait() != 0
assert output != "john"
except NotImplementedError:
pass
def test_windows_powershell(windows):
"""Test powershell execution"""
# Run a real powershell snippet
r = windows.platform.powershell("$PSVersionTable.PSVersion")
assert len(r) == 1
assert isinstance(r[0], dict)
# Ensure we get an exception
with pytest.raises(PowershellError):
windows.platform.powershell("CommandletDoes-NotExist")
# Run from a file descriptor
filp = io.BytesIO(b"""$PSVersionTable.PSVersion""")
r = windows.platform.powershell(filp)
assert len(r) == 1
assert isinstance(r[0], dict)