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|
from io import StringIO
import pytest
from asyncssh.editor import SSHLineEditorChannel
from scrapli_replay.exceptions import ScrapliReplayException
from scrapli_replay.server.server import OnOpenState
def test_base_server_session(basic_server):
# make sure our default internal flags dont get buggered up
assert basic_server._hide_input is False
assert basic_server._interacting is False
assert basic_server._interacting_event is None
assert basic_server._interact_index == 0
assert basic_server._on_open_state == OnOpenState.PRE
assert basic_server._on_open_commands_list == ["openstuff"]
assert basic_server.current_privilege_level == "veryprivvy"
def test_connection_made(basic_server):
chan = SSHLineEditorChannel(
orig_chan="", orig_session="", line_echo="", history_size="", max_line_length=""
)
basic_server.connection_made(chan)
assert basic_server._chan is chan
def test_shell_requested(basic_server):
assert basic_server.shell_requested() is True
def test_return_current_prompt(basic_server):
assert basic_server._return_current_prompt() == "veryprivvyprompt"
def test_session_started(basic_server):
basic_server._chan = StringIO()
basic_server.session_started()
basic_server._chan.seek(0)
assert basic_server._chan.read() == "veryprivvyprompt"
def test_repaint_prompt(basic_server):
basic_server._chan = StringIO()
basic_server.repaint_prompt()
basic_server._chan.seek(0)
assert basic_server._chan.read() == "veryprivvyprompt"
def test_interactive_event_no_interactive_event(basic_server):
with pytest.raises(ScrapliReplayException):
basic_server.interactive_event(channel_input="blah")
def test_interactive_event(monkeypatch, basic_server):
basic_server._chan = SSHLineEditorChannel(
orig_chan="", orig_session="", line_echo="", history_size="", max_line_length=""
)
basic_server._chan.set_echo = lambda echo: None
chan = StringIO()
def dummy_write(cls, data):
nonlocal chan
chan.write(data)
monkeypatch.setattr("asyncssh.editor.SSHLineEditorChannel.write", dummy_write)
basic_server.collect_data = {
"unknown_events": {
"veryprivvy": {
"pre_on_open": {
"channel_output": "bad stuff",
"closes_connection": False,
"result_privilege_level": "veryprivvy",
}
}
}
}
interact_event = {
"result_privilege_level": "privilege_exec",
"event_steps": [
{
"channel_input": "blah",
"channel_output": "blahblahblah",
"hidden_input": False,
"returns_prompt": True,
},
{
"channel_input": "scrapli",
"channel_output": "blah2blah2blah2",
"hidden_input": True,
"returns_prompt": True,
},
{
"channel_input": "blah",
"channel_output": "blah2blah2blah2",
"hidden_input": True,
"returns_prompt": True,
},
{
"channel_input": "blah",
"channel_output": "blah2blah2blah2",
"hidden_input": False,
"returns_prompt": True,
},
],
}
basic_server._interacting_event = interact_event
# setting this as it normally gets set in the "data_received" method
basic_server._interacting = True
basic_server.interactive_event(channel_input="blah")
assert basic_server._interact_index == 1
assert basic_server._hide_input is True
chan.seek(0)
assert chan.read() == "blahblahblah"
basic_server.interactive_event(channel_input="scrapli")
assert basic_server._interact_index == 2
assert basic_server._hide_input is True
chan.seek(0)
assert chan.read() == "blahblahblahblah2blah2blah2"
basic_server.interactive_event(channel_input="blah")
# hidden input true, but we didnt send the password (scrapli) so we are stuck at this stage
assert basic_server._interact_index == 2
assert basic_server._hide_input is True
# set the interact event index up so we can hit the last event and test that we return an
# unknown event
basic_server._interact_index = 3
basic_server.interactive_event(channel_input="NOTblah")
assert basic_server._interact_index == 0
assert basic_server._hide_input is False
chan.seek(0)
assert chan.read() == "blahblahblahblah2blah2blah2blah2blah2blah2bad stuff"
# setting back to interacting mode to test the hitting the last interact step
basic_server._interacting = True
basic_server._interacting_event = interact_event
basic_server._interact_index = 3
basic_server.interactive_event(channel_input="blah")
assert basic_server._interact_index == 0
assert basic_server._hide_input is False
chan.seek(0)
assert chan.read() == "blahblahblahblah2blah2blah2blah2blah2blah2bad stuffblah2blah2blah2"
def test_standard_event_closes_connection(basic_server):
basic_server._chan = StringIO()
basic_server.eof_received = lambda: None
basic_server._on_open_state = OnOpenState.POST
basic_server.current_privilege_level = "taco"
basic_server.standard_event(
channel_input="exit", event={"channel_output": "__CLOSES_CONNECTION__"}
)
assert basic_server.current_privilege_level == "veryprivvy"
assert basic_server._on_open_state == OnOpenState.PRE
basic_server._chan.seek(0)
# we write an empty line to make it look like normal devices do
assert basic_server._chan.read() == ""
def test_standard_event(basic_server):
basic_server._chan = StringIO()
basic_server._on_open_state = OnOpenState.PRE
basic_server.current_privilege_level = "taco"
basic_server.standard_event(
channel_input="openstuff",
event={
"channel_output": "stuff",
"result_privilege_level": "veryprivvy",
"closes_connection": False,
},
)
# assert we got all the on open stuff set to post and the on open commands is empty now
assert basic_server.current_privilege_level == "veryprivvy"
assert basic_server._on_open_state == OnOpenState.POST
basic_server._chan.seek(0)
assert basic_server._chan.read() == "stuff"
assert basic_server._on_open_commands_list == []
def test_data_received_interacting(monkeypatch, basic_server):
dispatched_to_interactive_event = False
def dummy_interactive_event(cls, channel_input):
nonlocal dispatched_to_interactive_event
dispatched_to_interactive_event = True
monkeypatch.setattr(
"scrapli_replay.server.server.BaseSSHServerSession.interactive_event",
dummy_interactive_event,
)
basic_server._interacting = True
basic_server.data_received(data="something", datatype=None)
assert dispatched_to_interactive_event is True
def test_data_received_return(monkeypatch, basic_server):
dispatched_to_repaint_prompt = False
def dummy_repaint_prompt(cls):
nonlocal dispatched_to_repaint_prompt
dispatched_to_repaint_prompt = True
monkeypatch.setattr(
"scrapli_replay.server.server.BaseSSHServerSession.repaint_prompt", dummy_repaint_prompt
)
basic_server.data_received(data="\n", datatype=None)
assert dispatched_to_repaint_prompt is True
def test_data_received_standard_event(monkeypatch, basic_server):
dispatched_to_standard_event = False
def dummy_standard_event(cls, channel_input, event):
nonlocal dispatched_to_standard_event
dispatched_to_standard_event = True
monkeypatch.setattr(
"scrapli_replay.server.server.BaseSSHServerSession.standard_event", dummy_standard_event
)
basic_server.collect_data = {
"events": {
"veryprivvy": {
"pre_on_open": {
"blah": {
"channel_output": "someswitchoutput",
"result_privilege_level": "newpriv",
"returns_prompt": True,
"closes_connection": False,
"type": "standard",
}
}
}
}
}
basic_server.data_received(data="blah", datatype=None)
assert dispatched_to_standard_event is True
def test_data_received_interact_event(monkeypatch, basic_server):
dispatched_to_interact_event = False
def dummy_interactive_event(cls, channel_input):
nonlocal dispatched_to_interact_event
dispatched_to_interact_event = True
monkeypatch.setattr(
"scrapli_replay.server.server.BaseSSHServerSession.interactive_event",
dummy_interactive_event,
)
basic_server.collect_data = {
"events": {
"veryprivvy": {
"pre_on_open": {
"blah": {
"result_privilege_level": "privilege_exec",
"event_steps": [
{
"channel_input": "enable",
"channel_output": "Password: ",
"hidden_input": False,
"returns_prompt": True,
}
],
"type": "interact",
}
}
}
}
}
basic_server.data_received(data="blah", datatype=None)
assert dispatched_to_interact_event is True
def test_data_received_unknown_event(monkeypatch, basic_server):
dispatched_to_unknown_event = False
def dummy_unknown_event(cls):
nonlocal dispatched_to_unknown_event
dispatched_to_unknown_event = True
monkeypatch.setattr(
"scrapli_replay.server.server.BaseSSHServerSession.unknown_event",
dummy_unknown_event,
)
basic_server.collect_data = {
"events": {"veryprivvy": {"pre_on_open": {}}},
"unknown_events": {
"veryprivvy": {
"pre_on_open": {
"channel_output": "bad stuff",
"closes_connection": False,
"result_privilege_level": "veryprivvy",
}
}
},
}
basic_server.data_received(data="blah", datatype=None)
assert dispatched_to_unknown_event is True
|
