updates for photorec

Core/src/org/sleuthkit/autopsy/modules/photoreccarver/PhotoRecCarverFileIngestModule.java

@@ -632,23 +632,18 @@ final class PhotoRecCarverFileIngestModule implements FileIngestModule {
      */
     public static File locateExecutable() throws IngestModule.IngestModuleException {
         File exeFile;
-        Path execName;
-        String photorec_linux_directory = "/usr/bin";
         if (PlatformUtil.isWindowsOS()) {
-            execName = Paths.get(PHOTOREC_DIRECTORY, PHOTOREC_SUBDIRECTORY, PHOTOREC_EXECUTABLE);
+            Path execName = Paths.get(PHOTOREC_DIRECTORY, PHOTOREC_SUBDIRECTORY, PHOTOREC_EXECUTABLE);
             exeFile = InstalledFileLocator.getDefault().locate(execName.toString(), PhotoRecCarverFileIngestModule.class.getPackage().getName(), false);
         } else {
-            File usrBin = new File("/usr/bin/photorec");
-            File usrLocalBin = new File("/usr/local/bin/photorec");
-            if (usrBin.canExecute() && usrBin.exists() && !usrBin.isDirectory()) {
-                photorec_linux_directory = "/usr/bin";
-            } else if (usrLocalBin.canExecute() && usrLocalBin.exists() && !usrLocalBin.isDirectory()) {
-                photorec_linux_directory = "/usr/local/bin";
-            } else {
-                throw new IngestModule.IngestModuleException("Photorec not found");
+            exeFile = null;
+            for (String dirName: System.getenv("PATH").split(File.pathSeparator)) {
+                File testExe = new File(dirName, PHOTOREC_LINUX_EXECUTABLE);
+                if (testExe.exists()) {
+                    exeFile = testExe;
+                    break;
+                }
             }
-            execName = Paths.get(photorec_linux_directory, PHOTOREC_LINUX_EXECUTABLE);
-            exeFile = new File(execName.toString());
         }
 
         if (null == exeFile) {

snap/gui/autopsy.desktop

@@ -1,2 +1,9 @@
+[Desktop Entry]
+Name=Autopsy
+Comment=A graphical interface to The Sleuth Kit and other digital forensics tools.
+GenericName=DFIR Tool.
 Exec=autopsy
-Icon=${SNAP}/meta/gui/autopsy.png
+Icon=${SNAP}/meta/gui/autopsy.png
+Type=Application
+Categories=Forensics;DFIR
+Keywords=autopsy;sleuth;kit;dfir;forensics

snap/snapcraft.yaml

@@ -7,7 +7,6 @@ grade: stable # must be 'stable' to release into candidate/stable channels
 # TODO look into turning back to strict for store inclusion
 confinement: classic # use 'strict' once you have the right plugs and slots
 architectures: [amd64, arm64]
-# TODO improves startup performance
 compression: lzo
 icon: snap/gui/autopsy.png
 
@@ -20,14 +19,6 @@ package-repositories:
     key-id: 99A5C88E3C5B1FA8B05A19D332E9750179FCEA62
     url: https://apt.bell-sw.com/
 
-layout:
-  /usr/bin/photorec:
-    symlink: $SNAP/usr/bin/photorec
-  /usr/local/bin:
-    bind: $SNAP/usr/local/bin
-  # /usr/lib/jvm/bellsoft-java8-full-amd64:
-  #   symlink: $SNAP/usr/lib/jvm/bellsoft-java8-full-amd64    
-
 plugs:
   system-files-autopsy:
     interface: system-files
@@ -44,7 +35,6 @@ apps:
     command: autopsy/bin/autopsy
     common-id: org.sleuthkit.autopsy
     plugs:
-      # TODO verify these: 
       # taken from https://snapcraft.io/docs/supported-interfaces
       - audio-playback
       - avahi-observe
@@ -108,8 +98,6 @@ parts:
       - libvmdk-dev
     stage-packages:
       - build-essential
-      - autoconf
-      - libtool
       - libpq-dev
       - testdisk
       - libafflib-dev
@@ -125,9 +113,6 @@ parts:
       - bellsoft-java8-full
       - doxygen
     stage-packages:
-      - build-essential
-      - autoconf
-      - libtool
       - libde265-dev
       - libheif-dev
       - libpq-dev
@@ -179,7 +164,11 @@ parts:
       UNIX_SETUP_SCRIPT="$AUTOPSY_LOCATION/unix_setup.sh"
       chmod +x $UNIX_SETUP_SCRIPT
       $UNIX_SETUP_SCRIPT
+
+      # snaps run applications with different permissions.  This ensures applications can run.
       chmod 755 "$AUTOPSY_LOCATION/bin/autopsy"
+      find "$AUTOPSY_LOCATION/autopsy/markmckinnon" -name "Export*" -o -name "parse*" | xargs -I{} chmod a+x {}
+      chmod -R a+x "$AUTOPSY_LOCATION/autopsy/solr/bin"
 
       # # ----- INSTALL DESKTOP SHORTCUT -----
       # AUTOPSY_DESKTOP_PATH="$SNAPCRAFT_PART_INSTALL/usr/share/applications/"