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0e6331b66d
Add allowed_env_keys config field to selectively forward host environment variables (e.g. GOPATH, JAVA_HOME) into the sandboxed subprocess environment, while keeping the default allow-list unchanged.
77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""Tests for exec tool environment isolation."""
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import sys
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import pytest
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from nanobot.agent.tools.shell import ExecTool
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_UNIX_ONLY = pytest.mark.skipif(sys.platform == "win32", reason="Unix shell commands")
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_does_not_leak_parent_env(monkeypatch):
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"""Env vars from the parent process must not be visible to commands."""
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monkeypatch.setenv("NANOBOT_SECRET_TOKEN", "super-secret-value")
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tool = ExecTool()
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result = await tool.execute(command="printenv NANOBOT_SECRET_TOKEN")
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assert "super-secret-value" not in result
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@pytest.mark.asyncio
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async def test_exec_has_working_path():
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"""Basic commands should be available via the login shell's PATH."""
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tool = ExecTool()
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result = await tool.execute(command="echo hello")
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assert "hello" in result
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_path_append():
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"""The pathAppend config should be available in the command's PATH."""
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tool = ExecTool(path_append="/opt/custom/bin")
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result = await tool.execute(command="echo $PATH")
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assert "/opt/custom/bin" in result
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_path_append_preserves_system_path():
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"""pathAppend must not clobber standard system paths."""
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tool = ExecTool(path_append="/opt/custom/bin")
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result = await tool.execute(command="ls /")
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assert "Exit code: 0" in result
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_allowed_env_keys_passthrough(monkeypatch):
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"""Env vars listed in allowed_env_keys should be visible to commands."""
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monkeypatch.setenv("MY_CUSTOM_VAR", "hello-from-config")
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tool = ExecTool(allowed_env_keys=["MY_CUSTOM_VAR"])
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result = await tool.execute(command="printenv MY_CUSTOM_VAR")
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assert "hello-from-config" in result
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_allowed_env_keys_does_not_leak_others(monkeypatch):
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"""Env vars NOT in allowed_env_keys should still be blocked."""
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monkeypatch.setenv("MY_CUSTOM_VAR", "hello-from-config")
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monkeypatch.setenv("MY_SECRET_VAR", "secret-value")
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tool = ExecTool(allowed_env_keys=["MY_CUSTOM_VAR"])
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result = await tool.execute(command="printenv MY_SECRET_VAR")
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assert "secret-value" not in result
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@_UNIX_ONLY
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@pytest.mark.asyncio
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async def test_exec_allowed_env_keys_missing_var_ignored(monkeypatch):
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"""If an allowed key is not set in the parent process, it should be silently skipped."""
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monkeypatch.delenv("NONEXISTENT_VAR_12345", raising=False)
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tool = ExecTool(allowed_env_keys=["NONEXISTENT_VAR_12345"])
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result = await tool.execute(command="printenv NONEXISTENT_VAR_12345")
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assert "Exit code: 1" in result
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