Fix logging of incompatible plugins

dissect/target/plugin.py

@@ -955,6 +955,7 @@ def __init_subclass__(cls, **kwargs):
 @dataclass(frozen=True, eq=True)
 class PluginFunction:
     name: str
+    path: str
     output_type: str
     class_object: type[Plugin]
     method_name: str
@@ -1074,7 +1075,8 @@ def add_to_result(func: PluginFunction) -> None:
                 matches = True
                 add_to_result(
                     PluginFunction(
-                        name=index_name,
+                        name=f"{func['namespace']}.{method_name}" if func["namespace"] else method_name,
+                        path=index_name,
                         class_object=loaded_plugin_object,
                         method_name=method_name,
                         output_type=getattr(fobject, "__output__", "text"),
@@ -1112,7 +1114,8 @@ def add_to_result(func: PluginFunction) -> None:
 
                 add_to_result(
                     PluginFunction(
-                        name=f"{description['module']}.{pattern}",
+                        name=f"{description['namespace']}.{funcname}" if description["namespace"] else funcname,
+                        path=f"{description['module']}.{funcname}",
                         class_object=loaded_plugin_object,
                         method_name=funcname,
                         output_type=getattr(fobject, "__output__", "text"),

dissect/target/target.py

@@ -329,8 +329,7 @@ def _load_child_plugins(self) -> None:
                 continue
 
             try:
-                if not child_plugin.is_compatible():
-                    continue
+                child_plugin.check_compatible()
                 self._child_plugins[child_plugin.__type__] = child_plugin
             except PluginError as e:
                 self.log.info("Child plugin reported itself as incompatible: %s (%s)", plugin_desc["class"], e)
@@ -517,10 +516,9 @@ def add_plugin(
 
         if check_compatible:
             try:
-                if not p.is_compatible():
-                    self.send_event(Event.INCOMPATIBLE_PLUGIN, plugin_cls=plugin_cls)
-                    raise UnsupportedPluginError(f"Plugin reported itself as incompatible: {plugin_cls}")
+                p.check_compatible()
             except PluginError:
+                self.send_event(Event.INCOMPATIBLE_PLUGIN, plugin_cls=plugin_cls)
                 raise
             except Exception as e:
                 raise UnsupportedPluginError(

dissect/target/tools/query.py

@@ -156,11 +156,11 @@
                     parser.error("can't list compatible plugins for remote targets.")
                 funcs, _ = find_plugin_functions(plugin_target, args.list, True, show_hidden=True)
                 for func in funcs:
-                    collected_plugins[func.name] = func.plugin_desc
+                    collected_plugins[func.path] = func.plugin_desc
         else:
             funcs, _ = find_plugin_functions(Target(), args.list, False, show_hidden=True)
             for func in funcs:
-                collected_plugins[func.name] = func.plugin_desc
+                collected_plugins[func.path] = func.plugin_desc
 
         # Display in a user friendly manner
         target = Target()
@@ -256,12 +256,12 @@
                 )
             except UnsupportedPluginError as e:
                 target.log.error(
-                    "Unsupported plugin for `%s`: %s",
-                    func_def,
+                    "Unsupported plugin for %s: %s",
+                    func_def.name,
                     e.root_cause_str(),
                 )
 
-                target.log.debug("", exc_info=e)
+                target.log.debug("%s", func_def, exc_info=e)
                 continue
             except PluginNotFoundError:
                 target.log.error("Cannot find plugin `%s`", func_def)

tests/test_plugin.py

@@ -5,11 +5,13 @@
 
 import pytest
 
+from dissect.target.exceptions import UnsupportedPluginError
 from dissect.target.helpers.descriptor_extensions import UserRecordDescriptorExtension
 from dissect.target.helpers.record import create_extended_descriptor
 from dissect.target.plugin import (
     PLUGINS,
     NamespacePlugin,
+    Plugin,
     environment_variable_paths,
     export,
     find_plugin_functions,
@@ -118,14 +120,16 @@ def test_find_plugin_function_windows(target_win: Target) -> None:
     found, _ = find_plugin_functions(target_win, "services")
 
     assert len(found) == 1
-    assert found[0].name == "os.windows.services.services"
+    assert found[0].name == "services"
+    assert found[0].path == "os.windows.services.services"
 
 
 def test_find_plugin_function_unix(target_unix: Target) -> None:
     found, _ = find_plugin_functions(target_unix, "services")
 
     assert len(found) == 1
-    assert found[0].name == "os.unix.services.services"
+    assert found[0].name == "services"
+    assert found[0].path == "os.unix.services.services"
 
 
 TestRecord = create_extended_descriptor([UserRecordDescriptorExtension])(
@@ -175,8 +179,14 @@ def test_find_plugin_function_default(target_default: Target) -> None:
 
     assert len(found) == 2
     names = [item.name for item in found]
-    assert "os.unix.services.services" in names
-    assert "os.windows.services.services" in names
+    assert "services" in names
+    assert "services" in names
+    paths = [item.path for item in found]
+    assert "os.unix.services.services" in paths
+    assert "os.windows.services.services" in paths
+
+    found, _ = find_plugin_functions(target_default, "mcafee.msc")
+    assert found[0].path == "apps.av.mcafee.msc"
 
 
 @pytest.mark.parametrize(
@@ -192,3 +202,13 @@ def test_find_plugin_function_default(target_default: Target) -> None:
 def test_find_plugin_function_order(target_win: Target, pattern: str) -> None:
     found = ",".join(reduce(lambda rs, el: rs + [el.method_name], find_plugin_functions(target_win, pattern)[0], []))
     assert found == pattern
+
+
+class _TestIncompatiblePlugin(Plugin):
+    def check_compatible(self):
+        raise UnsupportedPluginError("My incompatible plugin error")
+
+
+def test_incompatible_plugin(mock_target: Target) -> None:
+    with pytest.raises(UnsupportedPluginError, match="My incompatible plugin error"):
+        mock_target.add_plugin(_TestIncompatiblePlugin)

tests/test_tools_query.py

@@ -5,13 +5,13 @@
 from dissect.target.tools.query import main as target_query
 
 
-def test_target_query_list(capsys, monkeypatch):
+def test_target_query_list(capsys: pytest.CaptureFixture, monkeypatch: pytest.MonkeyPatch) -> None:
     with monkeypatch.context() as m:
         m.setattr("sys.argv", ["target-query", "--list"])
 
         with pytest.raises((SystemExit, IndexError, ImportError)):
             target_query()
-        out, err = capsys.readouterr()
+        out, _ = capsys.readouterr()
 
         assert out.startswith("Available plugins:")
         assert "Failed to load:\n    None\nAvailable loaders:\n" in out
@@ -42,7 +42,12 @@ def test_target_query_list(capsys, monkeypatch):
         ),
     ],
 )
-def test_target_query_invalid_functions(capsys, monkeypatch, given_funcs, expected_invalid_funcs):
+def test_target_query_invalid_functions(
+    capsys: pytest.CaptureFixture,
+    monkeypatch: pytest.MonkeyPatch,
+    given_funcs: list[str],
+    expected_invalid_funcs: list[str],
+) -> None:
     with monkeypatch.context() as m:
         m.setattr(
             "sys.argv",
@@ -51,7 +56,7 @@ def test_target_query_invalid_functions(capsys, monkeypatch, given_funcs, expect
 
         with pytest.raises((SystemExit)):
             target_query()
-        out, err = capsys.readouterr()
+        _, err = capsys.readouterr()
 
         assert "target-query: error: argument -f/--function contains invalid plugin(s):" in err
 
@@ -63,3 +68,16 @@ def test_target_query_invalid_functions(capsys, monkeypatch, given_funcs, expect
         invalid_funcs.sort()
 
         assert invalid_funcs == expected_invalid_funcs
+
+
+def test_target_query_unsupported_plugin_log(capsys: pytest.CaptureFixture, monkeypatch: pytest.MonkeyPatch) -> None:
+    with monkeypatch.context() as m:
+        m.setattr(
+            "sys.argv",
+            ["target-query", "-f", "regf", "tests/data/loaders/tar/test-archive-dot-folder.tgz"],
+        )
+
+        target_query()
+        _, err = capsys.readouterr()
+
+        assert "Unsupported plugin for regf: Registry plugin not loaded" in err