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85 lines
3.0 KiB
Java
85 lines
3.0 KiB
Java
/* ###
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* IP: GHIDRA
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Find patch points for untracer tools (e.g. afl++ utils/afl_untracer)
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//
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// Copy to ..../Ghidra/Features/Search/ghidra_scripts/
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// Writes the results to ~/Desktop/patches.txt
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//
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// This is my very first Ghidra script. I am sure this could be done better.
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//
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//@category Search
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import ghidra.app.script.GhidraScript;
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import ghidra.program.model.address.*;
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import ghidra.program.model.block.*;
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import ghidra.program.model.listing.*;
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import ghidra.program.model.symbol.*;
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import ghidra.program.model.mem.*;
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import java.io.*;
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public class ghidra_get_patchpoints extends GhidraScript {
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@Override
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public void run() throws Exception {
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long segment_start = 0;
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Memory memory = currentProgram.getMemory();
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MultEntSubModel model = new MultEntSubModel(currentProgram);
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CodeBlockIterator subIter = model.getCodeBlocks(monitor);
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BufferedWriter out = new BufferedWriter(new FileWriter(System.getProperty("user.home") + File.separator + "Desktop" + File.separator + "patches.txt"));
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while (subIter.hasNext()) {
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CodeBlock multiEntryBlock = subIter.next();
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SimpleBlockModel basicBlockModel = new SimpleBlockModel(currentProgram);
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CodeBlockIterator bbIter = basicBlockModel.getCodeBlocksContaining(multiEntryBlock, monitor);
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while (bbIter.hasNext()) {
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CodeBlock basicBlock = bbIter.next();
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if (segment_start == 0) {
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Address firstAddr = basicBlock.getFirstStartAddress();
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long firstBlockAddr = firstAddr.getAddressableWordOffset();
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MemoryBlock mb = memory.getBlock(firstAddr);
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Address startAddr = mb.getStart();
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Address endAddr = mb.getEnd();
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segment_start = startAddr.getAddressableWordOffset();
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if ((firstBlockAddr - segment_start) >= 0x1000)
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segment_start += 0x1000;
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long segment_end = endAddr.getAddressableWordOffset();
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long segment_size = segment_end - segment_start;
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if ((segment_size % 0x1000) > 0)
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segment_size = (((segment_size / 0x1000) + 1) * 0x1000);
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out.write(currentProgram.getName() + ":0x" + Long.toHexString(segment_size) + "\n");
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//println("Start: " + Long.toHexString(segment_start));
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//println("End: " + Long.toHexString(segment_end));
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}
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if (basicBlock.getFirstStartAddress().getAddressableWordOffset() - segment_start > 0)
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out.write("0x" + Long.toHexString(basicBlock.getFirstStartAddress().getAddressableWordOffset() - segment_start) + "\n");
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}
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}
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out.close();
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}
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}
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