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Code Issues Releases Wiki Activity

GP-4371 Added check to RecoverClassesFromRTTIScript to not run when there are unhandled relocations.

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ghidra007 2024-03-04 18:23:46 +00:00
parent 59a048fdf2
commit fd8fcebe09
1 changed files with 63 additions and 60 deletions
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69
Ghidra/Features/Decompiler/ghidra_scripts/RecoverClassesFromRTTIScript.java
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@ -54,18 +54,10 @@
import java.io.File; import java.io.File;
import java.io.PrintWriter; import java.io.PrintWriter;
import java.util.ArrayList; import java.util.*;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import classrecovery.DecompilerScriptUtils; import classrecovery.*;
import classrecovery.RTTIClassRecoverer;
import classrecovery.RTTIGccClassRecoverer;
import classrecovery.RTTIWindowsClassRecoverer;
import classrecovery.RecoveredClass;
import classrecovery.RecoveredClassHelper;
import generic.theme.GThemeDefaults.Colors.Palette; import generic.theme.GThemeDefaults.Colors.Palette;
import ghidra.app.decompiler.DecompInterface; import ghidra.app.decompiler.DecompInterface;
import ghidra.app.plugin.core.analysis.AutoAnalysisManager; import ghidra.app.plugin.core.analysis.AutoAnalysisManager;
@ -83,30 +75,15 @@ import ghidra.app.util.importer.MessageLog;
import ghidra.app.util.opinion.PeLoader; import ghidra.app.util.opinion.PeLoader;
import ghidra.framework.options.Options; import ghidra.framework.options.Options;
import ghidra.framework.plugintool.PluginTool; import ghidra.framework.plugintool.PluginTool;
import ghidra.program.model.address.Address; import ghidra.program.model.address.*;
import ghidra.program.model.address.AddressSet; import ghidra.program.model.data.*;
import ghidra.program.model.address.AddressSetView; import ghidra.program.model.listing.*;
import ghidra.program.model.data.CategoryPath;
import ghidra.program.model.data.DataType;
import ghidra.program.model.data.DataTypeComponent;
import ghidra.program.model.data.DataTypeManager;
import ghidra.program.model.data.Structure;
import ghidra.program.model.listing.Function;
import ghidra.program.model.listing.Parameter;
import ghidra.program.model.listing.Program;
import ghidra.program.model.mem.MemoryBlock; import ghidra.program.model.mem.MemoryBlock;
import ghidra.program.model.reloc.Relocation;
import ghidra.program.model.reloc.RelocationTable;
import ghidra.program.model.symbol.Symbol; import ghidra.program.model.symbol.Symbol;
import ghidra.program.util.GhidraProgramUtilities; import ghidra.program.util.GhidraProgramUtilities;
import ghidra.service.graph.AttributedEdge; import ghidra.service.graph.*;
import ghidra.service.graph.AttributedGraph;
import ghidra.service.graph.AttributedVertex;
import ghidra.service.graph.GraphDisplay;
import ghidra.service.graph.GraphDisplayOptions;
import ghidra.service.graph.GraphDisplayOptionsBuilder;
import ghidra.service.graph.GraphDisplayProvider;
import ghidra.service.graph.GraphType;
import ghidra.service.graph.GraphTypeBuilder;
import ghidra.service.graph.VertexShape;
import ghidra.util.exception.CancelledException; import ghidra.util.exception.CancelledException;
import ghidra.util.exception.GraphException; import ghidra.util.exception.GraphException;
import ghidra.util.task.TaskMonitor; import ghidra.util.task.TaskMonitor;
@ -457,8 +434,36 @@ public class RecoverClassesFromRTTIScript extends GhidraScript {
"will be fixed in a later release. For all other gcc programs please " + "will be fixed in a later release. For all other gcc programs please " +
"contact the Ghidra team so this issue can be fixed."); "contact the Ghidra team so this issue can be fixed.");
} }
if (hasUnhandledRelocations()) {
return ("This program has unhandled elf relocations so cannot continue. Please " +
"contact the Ghidra team for assistance.");
} }
}
return new String(); return new String();
}
private boolean hasUnhandledRelocations() throws CancelledException {
RelocationTable relocationTable = currentProgram.getRelocationTable();
Iterator<Relocation> relocations = relocationTable.getRelocations();
while (relocations.hasNext()) {
monitor.checkCancelled();
Relocation r = relocations.next();
if (r.getSymbolName().contains("class_type_info") &&
(r.getStatus() != Relocation.Status.APPLIED &&
r.getStatus() != Relocation.Status.APPLIED_OTHER &&
r.getStatus() != Relocation.Status.SKIPPED)) {
return true;
}
}
return false;
} }
private void analyzeProgramChanges(AddressSetView beforeChanges) throws Exception { private void analyzeProgramChanges(AddressSetView beforeChanges) throws Exception {
@ -642,7 +647,6 @@ public class RecoverClassesFromRTTIScript extends GhidraScript {
return false; return false;
} }
/** /**
* Method to check if executable format is PE * Method to check if executable format is PE
*/ */
@ -701,7 +705,6 @@ public class RecoverClassesFromRTTIScript extends GhidraScript {
return isGcc; return isGcc;
} }
/** /**
* Method to set the global variable isWindows * Method to set the global variable isWindows
*/ */