Added logcat modules

mvt/android/modules/adb/__init__.py

@@ -7,14 +7,15 @@ from .chrome_history import ChromeHistory
 from .dumpsys_batterystats import DumpsysBatterystats
 from .dumpsys_packages import DumpsysPackages
 from .dumpsys_procstats import DumpsysProcstats
+from .dumpsys_receivers import DumpsysReceivers
+from .logcat import Logcat
 from .packages import Packages
 from .processes import Processes
 from .rootbinaries import RootBinaries
 from .sms import SMS
 from .whatsapp import Whatsapp
-from .dumpsys_receivers import DumpsysReceivers
 
 ADB_MODULES = [ChromeHistory, SMS, Whatsapp, Processes,
                DumpsysBatterystats, DumpsysProcstats,
                DumpsysPackages, DumpsysReceivers,
-               Packages, RootBinaries]
+               Packages, RootBinaries, Logcat]

mvt/android/modules/adb/logcat.py

@@ -0,0 +1,48 @@
+# Mobile Verification Toolkit (MVT)
+# Copyright (c) 2021 The MVT Project Authors.
+# Use of this software is governed by the MVT License 1.1 that can be found at
+#   https://license.mvt.re/1.1/
+
+import logging
+import os
+
+from .base import AndroidExtraction
+
+log = logging.getLogger(__name__)
+
+
+class Logcat(AndroidExtraction):
+    """This module extracts details on installed packages."""
+
+    def __init__(self, file_path=None, base_folder=None, output_folder=None,
+                 serial=None, fast_mode=False, log=None, results=[]):
+        super().__init__(file_path=file_path, base_folder=base_folder,
+                         output_folder=output_folder, fast_mode=fast_mode,
+                         log=log, results=results)
+
+    def run(self):
+        self._adb_connect()
+
+        # Get the current logcat.
+        output = self._adb_command("logcat -d")
+        # Get the locat prior to last reboot.
+        last_output = self._adb_command("logcat -L")
+
+        if self.output_folder:
+            logcat_path = os.path.join(self.output_folder,
+                                       "logcat.txt")
+            with open(logcat_path, "w") as handle:
+                handle.write(output)
+
+            log.info("Current logcat logs stored at %s",
+                     logcat_path)
+
+            logcat_last_path = os.path.join(self.output_folder,
+                                            "logcat_last.txt")
+            with open(logcat_last_path, "w") as handle:
+                handle.write(last_output)
+
+            log.info("Logcat logs prior to last reboot stored at %s",
+                     logcat_last_path)
+
+        self._adb_disconnect()