Can't open the plugin

[Dolomich]

After adding the plugin in the script manager and trying to open it I seem to always get that error :

Error running script: Cantordust.java
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/Users/Dolo/Downloads/images/dbf5s3hi0ky11.jpg
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/Users/Dolo/Downloads/images/dbf5s3hi0ky11.jpg
	at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
	at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
	at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:229)
	at java.base/java.nio.file.Path.of(Path.java:147)
	at java.base/java.nio.file.Paths.get(Paths.java:69)
	at Cantordust.getJavaData(Cantordust.java:114)
	at Cantordust.getData(Cantordust.java:71)
	at Cantordust.run(Cantordust.java:50)
	at ghidra.app.script.GhidraScript.executeNormal(GhidraScript.java:365)
	at ghidra.app.script.GhidraScript.doExecute(GhidraScript.java:220)
	at ghidra.app.script.GhidraScript.execute(GhidraScript.java:198)
	at ghidra.app.plugin.core.script.RunScriptTask.run(RunScriptTask.java:57)
	at ghidra.util.task.Task.monitoredRun(Task.java:126)
	at ghidra.util.task.TaskRunner.lambda$startTaskThread$1(TaskRunner.java:94)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

---------------------------------------------------
Build Date: 2020-Feb-12 1149 EST
Ghidra Version: 9.1.2
Java Home: C:\Program Files\Java\jdk-11.0.9
JVM Version: Oracle Corporation 11.0.9
OS: Windows 7 6.1 amd64

I have some files open in Ghidra, I tried running it in administrator mode, I even tried different JDK versions but I keep getting it.

Clearly this seems path related, but I'm not sure what to do about it.

[Dolomich]

I tried using Ghidra v9.1, same error

Error running script: Cantordust.java
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/Users/Dolo/Desktop/DF_divination_2.jpg
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /C:/Users/Dolo/Desktop/DF_divination_2.jpg
	at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
	at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
	at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:229)
	at java.base/java.nio.file.Path.of(Path.java:147)
	at java.base/java.nio.file.Paths.get(Paths.java:69)
	at Cantordust.getJavaData(Cantordust.java:114)
	at Cantordust.getData(Cantordust.java:71)
	at Cantordust.run(Cantordust.java:50)
	at ghidra.app.script.GhidraScript.executeNormal(GhidraScript.java:365)
	at ghidra.app.script.GhidraScript.doExecute(GhidraScript.java:220)
	at ghidra.app.script.GhidraScript.execute(GhidraScript.java:198)
	at ghidra.app.plugin.core.script.RunScriptTask.run(RunScriptTask.java:57)
	at ghidra.util.task.Task.monitoredRun(Task.java:126)
	at ghidra.util.task.TaskRunner.lambda$startTaskThread$1(TaskRunner.java:94)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
	at java.base/java.lang.Thread.run(Thread.java:832)

---------------------------------------------------
Build Date: 2019-Oct-23 1737 EDT
Ghidra Version: 9.1
Java Home: C:\Program Files\Java\jdk-15.0.1
JVM Version: Oracle Corporation 15.0.1
OS: Windows 7 6.1 amd64

I also tried using v9.2, still don't start but different error

GhidraProvider
java.lang.NoClassDefFoundError: GhidraProvider
	at Cantordust.writeBinLocation(Cantordust.java:127)
	at Cantordust.run(Cantordust.java:48)
	at ghidra.app.script.GhidraScript.executeNormal(GhidraScript.java:379)
	at ghidra.app.script.GhidraScript.doExecute(GhidraScript.java:234)
	at ghidra.app.script.GhidraScript.execute(GhidraScript.java:212)
	at ghidra.app.plugin.core.script.RunScriptTask.run(RunScriptTask.java:47)
	at ghidra.util.task.Task.monitoredRun(Task.java:124)
	at ghidra.util.task.TaskRunner.lambda$startTaskThread$1(TaskRunner.java:94)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
	at java.base/java.lang.Thread.run(Thread.java:832)

---------------------------------------------------
Build Date: 2020-Nov-13 1112 EST
Ghidra Version: 9.2
Java Home: C:\Program Files\Java\jdk-15.0.1
JVM Version: Oracle Corporation 15.0.1
OS: Windows 7 6.1 amd64

[sengi12]

Thanks for bringing this to our attention @Dolomich! As far as I see there are two different issues here.

Issue 1 (v9.1):
There is a Ghidra function that Cantordust relies on to get the bytes from the file: currentProgram.getExecutablePath();
When this function runs in Linux, it outputs a full path to the file as expected. However in Windows, it outputs the full path with an extra / at the beginning. Notice how the error occurs with this path: /C:/Users/Dolo/Desktop/DF_divination_2.jpg.

Our current work around is to simply check if the OS is Windows 10, and if so remove the extra /. (See Cantordust.java: line 111) However your test was done using Windows 7, which is not checked for as Windows 7 technically reached its EOL as of January 14th, 2020.

A simple work around for your case would be to change Cantordust.java: line 111, so that it removes the extra / for Windows 7 too. Let me know, but that should work!

Issue 2 (v9.2):
After some investigation, it appears that the NSA's newest release of Ghidra (9.2) has a changed how it compiles plugins. In its current state, Cantordust is not compatible with v9.2 sadly. I'll look into this over the next few days and see if I can get it working again.

I hope this was helpful! Please let me know if run into any other problems 🙂

[Dolomich]

Thanks for you answer, I managed to get the plugin working