Merge pull request #633 from onekey-sec/extract-result

qkaiser · web-flow · commit f2dd8e750e9d · 2023-08-11T15:23:02.000+02:00
Report extraction problems from handlers/extractors
diff --git a/.gitignore b/.gitignore
@@ -7,3 +7,4 @@ build/
 *.so
 .idea
 .coverage*
+/.venv/
diff --git a/docs/development.md b/docs/development.md
@@ -515,7 +515,7 @@ class Extractor(abc.ABC):
         return []
 
     @abc.abstractmethod
-    def extract(self, inpath: Path, outdir: Path):
+    def extract(self, inpath: Path, outdir: Path) -> Optional[ExtractResult]:
         """Extract the carved out chunk. Raises ExtractError on failure."""
 ```
 
@@ -526,6 +526,15 @@ Two methods are exposed by this class:
 - `extract()`: you must override this function. This is where you'll perform the
   extraction of `inpath` content into `outdir` extraction directory
 
+!!! Recommendation
+
+    Although it is possible to implement `extract()` with path manipulations,
+    checks for path traversals, and performing io by using Python libraries
+    (`os`, `pathlib.Path`), but it turns out somewhat tedious.
+    Instead we recommend to remove boilerplate and use a helper class `FileSystem` from
+    [unblob/file_utils.py](https://github.com/onekey-sec/unblob/blob/main/unblob/file_utils.py)
+    which ensures that all file objects are created under its root.
+
 ### DirectoryExtractor class
 
 The `DirectoryExtractor` interface is defined in
@@ -538,7 +547,7 @@ class DirectoryExtractor(abc.ABC):
         return []
 
     @abc.abstractmethod
-    def extract(self, paths: List[Path], outdir: Path):
+    def extract(self, paths: List[Path], outdir: Path) -> Optional[ExtractResult]:
         """Extract from a multi file path list.
 
         Raises ExtractError on failure.
@@ -552,6 +561,11 @@ Two methods are exposed by this class:
 - `extract()`: you must override this function. This is where you'll perform the
   extraction of `paths` files into `outdir` extraction directory
 
+!!! Recommendation
+
+    Similarly to `Extractor`, it is recommended to use the `FileSystem` helper class to
+    implement `extract`.
+
 ### Example Extractor
 
 Extractors are quite complex beasts, so rather than trying to come up with a
diff --git a/tests/handlers/filesystem/test_romfs.py b/tests/handlers/filesystem/test_romfs.py
@@ -1,9 +1,7 @@
-from pathlib import Path
-
 import pytest
 
 from unblob.file_utils import File
-from unblob.handlers.filesystem.romfs import get_string, is_safe_path, valid_checksum
+from unblob.handlers.filesystem.romfs import get_string, valid_checksum
 
 
 @pytest.mark.parametrize(
@@ -44,23 +42,3 @@ def test_get_string(content, expected):
 )
 def test_valid_checksum(content, valid):
     assert valid_checksum(content) == valid
-
-
-@pytest.mark.parametrize(
-    "basedir, path, expected",
-    [
-        ("/lib/out", "/lib/out/file", True),
-        ("/lib/out", "file", True),
-        ("/lib/out", "dir/file", True),
-        ("/lib/out", "some/dir/file", True),
-        ("/lib/out", "some/dir/../file", True),
-        ("/lib/out", "some/dir/../../file", True),
-        ("/lib/out", "some/dir/../../../file", False),
-        ("/lib/out", "some/dir/../../../", False),
-        ("/lib/out", "some/dir/../../..", False),
-        ("/lib/out", "../file", False),
-        ("/lib/out", "/lib/out/../file", False),
-    ],
-)
-def test_is_safe_path(basedir, path, expected):
-    assert is_safe_path(Path(basedir), Path(path)) is expected
diff --git a/tests/integration/filesystem/yaffs/__output__/malformed.2048.16.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/malformed.2048.16.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/malformed.2048.16.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/malformed.2048.16.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.128.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.128.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.128.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.128.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.128.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.128.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.16.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.16.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.16.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.16.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.16.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.16.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.256.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.256.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.256.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.256.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.256.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.256.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.32.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.32.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.32.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.32.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.32.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.32.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.512.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.512.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.512.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.512.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.512.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.512.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.64.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.64.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.64.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.64.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.16384.64.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.16384.64.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.128.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.128.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.128.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.128.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.128.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.128.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.16.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.16.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.16.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.16.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.16.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.16.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.256.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.256.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.256.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.256.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.256.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.256.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.32.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.32.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.32.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.32.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.32.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.32.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.512.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.512.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.512.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.512.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.512.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.512.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.64.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.64.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.64.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.64.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.2048.64.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.2048.64.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.128.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.128.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.128.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.128.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.128.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.128.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.16.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.16.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.16.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.16.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.16.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.16.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.256.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.256.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.256.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.256.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.256.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.256.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.32.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.32.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.32.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.32.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.32.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.32.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.512.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.512.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.512.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.512.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.512.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.512.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.64.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.64.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.64.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.64.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.4096.64.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.4096.64.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.128.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.128.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.128.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.128.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.128.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.128.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.16.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.16.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.16.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.16.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.16.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.16.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.256.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.256.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.256.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.256.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.256.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.256.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.32.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.32.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.32.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.32.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.32.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.32.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.512.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.512.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.512.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.512.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.512.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.512.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.64.ecc.be.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.64.ecc.be.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.64.ecc.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.64.ecc.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/integration/filesystem/yaffs/__output__/sample.8192.64.le.yaffs2_extract/passwd b/tests/integration/filesystem/yaffs/__output__/sample.8192.64.le.yaffs2_extract/passwd
@@ -0,0 +1 @@
+etc/passwd
diff --git a/tests/test_file_utils.py b/tests/test_file_utils.py
diff --git a/unblob/extractor.py b/unblob/extractor.py
diff --git a/unblob/file_utils.py b/unblob/file_utils.py
diff --git a/unblob/handlers/archive/_safe_tarfile.py b/unblob/handlers/archive/_safe_tarfile.py
diff --git a/unblob/handlers/archive/hp/ipkg.py b/unblob/handlers/archive/hp/ipkg.py
diff --git a/unblob/handlers/archive/tar.py b/unblob/handlers/archive/tar.py
diff --git a/unblob/handlers/archive/xiaomi/hdr.py b/unblob/handlers/archive/xiaomi/hdr.py
diff --git a/unblob/handlers/filesystem/romfs.py b/unblob/handlers/filesystem/romfs.py
diff --git a/unblob/handlers/filesystem/yaffs.py b/unblob/handlers/filesystem/yaffs.py
diff --git a/unblob/models.py b/unblob/models.py
diff --git a/unblob/processing.py b/unblob/processing.py
diff --git a/unblob/report.py b/unblob/report.py

-Original file line number
+Diff line change
 *.so
 .idea
 .coverage*
 +/.venv/