fix: single loader ignored path components

dissect/target/loaders/single.py

@@ -22,9 +22,11 @@ def detect(_: Path) -> bool:
         return False
 
     def map(self, target: Target) -> None:
+        """Maps the contents of the target path recursively into a special drop folder"""
+
         vfs = VirtualFilesystem(case_sensitive=False, alt_separator=target.fs.alt_separator)
         target.filesystems.add(vfs)
         target.fs.mount("/", vfs)
         for entry in self.path.parent.glob(self.path.name):
-            mapping = str(vfs.path(SINGLE_FILE_DIR).joinpath(entry.name))
-            vfs.map_file(mapping, str(entry))
+            mapping = vfs.path(SINGLE_FILE_DIR).joinpath(entry)
+            vfs.map_file(str(mapping), str(entry))

tests/loaders/test_single.py

@@ -0,0 +1,16 @@
+import io
+from pathlib import Path
+
+from dissect.target import Target
+from dissect.target.filesystem import VirtualFilesystem
+from dissect.target.loaders.single import SingleFileLoader
+
+
+def test_single_loader(target_default: Target) -> None:
+    path = Path("test/single.txt")
+    vfs = VirtualFilesystem()
+    vfs.map_file_fh("test/single.txt", io.BytesIO(b"\x00"))
+    log_loader = SingleFileLoader(vfs.path(path))
+    log_loader.map(target_default)
+
+    assert target_default.fs.exists("$drop$/test/single.txt")