ghidra/Ghidra/Features/Base/ghidra_scripts/AsciiToBinaryScript.java

84 lines
2.2 KiB
Java

/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//Converts an ascii hex file into binary file. Works for files with spaces and without. Assumes hex bytes are zero padded so all values are two bytes long.
//@category Conversion
import ghidra.app.script.GhidraScript;
import java.io.*;
public class AsciiToBinaryScript extends GhidraScript {
private static final String EMPTY_STRING = "";
private static final String SPACE = " ";
@Override
public void run() throws Exception {
File inAsciiFile = askFile("Select Ascii File", "Ascii File");
if (!inAsciiFile.exists()) {
popup(inAsciiFile.getAbsolutePath() + " does not exist.");
return;
}
File outBinaryFile = askFile("Select Binary File", "Binary File");
if (outBinaryFile.equals(inAsciiFile)) {
popup("Input file and output file are the same. Please choose a different file for the output." +
inAsciiFile.getAbsolutePath());
return;
}
if (outBinaryFile.exists()) {
if (!askYesNo("Binary File Already Exists",
"The binary file already exists.\nDo you want to overwrite it?")) {
return;
}
}
BufferedReader in = new BufferedReader(new FileReader(inAsciiFile));
OutputStream out = new FileOutputStream(outBinaryFile);
while (true) {
if (monitor.isCancelled()) {
break;
}
String line = in.readLine();
if (line == null) {
break;
}
line = line.replace(SPACE, EMPTY_STRING);
int length = line.length();
for (int i = 0; i < length; i += 2) {
if (monitor.isCancelled()) {
break;
}
String asciiByte = line.substring(i, i + 2);
int value = Integer.parseInt(asciiByte, 16);
out.write(value);
}
}
in.close();
out.close();
}
}