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https://github.com/Maschell/GhidraRPXLoader.git
synced 2024-11-26 01:44:18 +01:00
Add references to imports. Currently the imports are handled as data, but can be converted to functions manually.
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@ -14,11 +14,22 @@ import ghidra.app.util.bin.ByteArrayProvider;
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import ghidra.app.util.bin.ByteProvider;
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import ghidra.app.util.bin.format.elf.ElfException;
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import ghidra.app.util.bin.format.elf.ElfHeader;
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import ghidra.app.util.bin.format.elf.ElfRelocation;
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import ghidra.app.util.bin.format.elf.ElfRelocationTable;
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import ghidra.app.util.bin.format.elf.ElfSectionHeader;
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import ghidra.app.util.bin.format.elf.ElfSymbol;
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import ghidra.app.util.importer.MemoryConflictHandler;
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import ghidra.app.util.importer.MessageLog;
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import ghidra.app.util.importer.MessageLogContinuesFactory;
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import ghidra.program.model.address.Address;
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import ghidra.program.model.address.AddressSpace;
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import ghidra.program.model.listing.Program;
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import ghidra.program.model.symbol.RefType;
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import ghidra.program.model.symbol.Reference;
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import ghidra.program.model.symbol.SourceType;
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import ghidra.util.exception.CancelledException;
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import ghidra.util.exception.DuplicateNameException;
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import ghidra.util.exception.InvalidInputException;
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import ghidra.util.task.TaskMonitor;
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public class RPXLoader extends ElfLoader {
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@ -65,7 +76,40 @@ public class RPXLoader extends ElfLoader {
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GenericFactory factory = MessageLogContinuesFactory.create(log);
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byte[] data = RPXUtils.convertRPX(provider, monitor);
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ElfHeader elf = ElfHeader.createElfHeader(factory, new ByteArrayProvider(data));
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ElfProgramBuilder.loadElf(elf, program, options, log, handler, monitor);
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AddressSpace aspace = program.getAddressFactory().getDefaultAddressSpace();
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for (ElfRelocationTable table : elf.getRelocationTables()) {
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for (ElfRelocation reloc : table.getRelocations()) {
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int sindex = reloc.getSymbolIndex();
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ElfSymbol symbol = table.getAssociatedSymbolTable().getSymbols()[sindex];
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ElfSectionHeader section = elf.getSections()[symbol.getSectionHeaderIndex()];
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if (section.getType() == RPXUtils.SHT_RPL_IMPORTS) {
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int offset = (int) (reloc.getOffset() & ~3);
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String rplName = section.getNameAsString();
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if (rplName.contains("import_")) {
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rplName = rplName.split("import_")[1];
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if (!rplName.endsWith(".rpl")) {
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rplName += ".rpl";
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}
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} else {
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continue;
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}
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Address addr = aspace.getAddress(offset);
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Reference r = program.getReferenceManager().addExternalReference(addr, rplName,
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symbol.getNameAsString(), aspace.getAddress(0), SourceType.USER_DEFINED, 1,
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RefType.DATA);
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program.getReferenceManager().setPrimary(r, true);
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program.getListing().setComment(addr, 0, rplName + "::" + symbol.getNameAsString());
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}
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}
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}
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} catch (ElfException e) {
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throw new IOException(e.getMessage());
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} catch (CancelledException e) {
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@ -73,6 +117,10 @@ public class RPXLoader extends ElfLoader {
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throw new IOException(e.getMessage());
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} catch (DataFormatException e) {
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throw new IOException(e.getMessage());
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} catch (DuplicateNameException e) {
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throw new IOException(e.getMessage());
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} catch (InvalidInputException e) {
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throw new IOException(e.getMessage());
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}
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}
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