Fix bugreport command section extraction

src/mvt/android/artifacts/getprop.py

@@ -28,18 +28,18 @@ INTERESTING_PROPERTIES = [
 class GetProp(AndroidArtifact):
     def parse(self, entry: str) -> None:
         self.results: List[Dict[str, str]] = []
-        rxp = re.compile(r"\[(.+?)\]: \[(.+?)\]")
+        rxp = re.compile(r"^\[([^]]+)\]: \[(.*)\]$")
 
         for line in entry.splitlines():
             line = line.strip()
             if line == "":
                 continue
 
-            matches = re.findall(rxp, line)
-            if not matches or len(matches[0]) != 2:
+            match = rxp.match(line)
+            if not match:
                 continue
 
-            prop_entry = {"name": matches[0][0], "value": matches[0][1]}
+            prop_entry = {"name": match.group(1), "value": match.group(2)}
             self.results.append(prop_entry)
 
     def get_device_timezone(self) -> str | None:

src/mvt/android/modules/bugreport/base.py

@@ -72,7 +72,11 @@ class BugReportModule(MVTModule):
             if not self.extract_path:
                 raise ValueError("extract_path is not set")
             joined = os.path.join(self.extract_path, file_path)
-            if not Path(joined).resolve().is_relative_to(Path(self.extract_path).resolve()):
+            if (
+                not Path(joined)
+                .resolve()
+                .is_relative_to(Path(self.extract_path).resolve())
+            ):
                 raise ValueError("unsafe file_path")
             handle = open(joined, "rb")
 
@@ -100,6 +104,27 @@ class BugReportModule(MVTModule):
 
         return None
 
+    @staticmethod
+    def extract_command_section(content: str, heading: str) -> str:
+        """Return a bugreport command section without consuming the next one.
+
+        Bugreport separators include timing text, so looking for a line equal to
+        ``------`` is not sufficient and can accidentally feed the remainder of
+        dumpstate to a parser.
+        """
+        lines: list[str] = []
+        in_section = False
+        for line in content.splitlines():
+            stripped = line.strip()
+            if not in_section:
+                if stripped.startswith(heading):
+                    in_section = True
+                continue
+            if stripped.startswith("------"):
+                break
+            lines.append(line)
+        return "\n".join(lines)
+
     def _get_file_modification_time(self, file_path: str) -> datetime.datetime:
         if self.zip_archive:
             file_timetuple = self.zip_archive.getinfo(file_path).date_time

src/mvt/android/modules/bugreport/dumpsys_getprop.py

@@ -44,21 +44,8 @@ class DumpsysGetProp(GetPropArtifact, BugReportModule):
             )
             return
 
-        lines = []
-        in_getprop = False
-
-        for line in content.decode(errors="ignore").splitlines():
-            if line.strip().startswith("------ SYSTEM PROPERTIES"):
-                in_getprop = True
-                continue
-
-            if not in_getprop:
-                continue
-
-            if line.strip() == "------":
-                break
-
-            lines.append(line)
-
-        self.parse("\n".join(lines))
+        section = self.extract_command_section(
+            content.decode(errors="ignore"), "------ SYSTEM PROPERTIES"
+        )
+        self.parse(section)
         self.log.info("Extracted %d Android system properties", len(self.results))

tests/android/test_artifact_getprop.py

@@ -39,3 +39,12 @@ class TestGetPropArtifact:
         assert len(gp.alertstore.alerts) == 0
         gp.check_indicators()
         assert len(gp.alertstore.alerts) == 1
+
+    def test_empty_values_and_invalid_lines(self):
+        gp = GetProp()
+        gp.parse("[empty]: []\n[valid]: [value]\n0\n[broken]: [value")
+
+        assert gp.results == [
+            {"name": "empty", "value": ""},
+            {"name": "valid", "value": "value"},
+        ]