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https://github.com/ttttupup/wxhelper.git
synced 2024-11-24 11:19:24 +08:00
feat: script
This commit is contained in:
ttttupup
parent
c49eaf9203
commit
36ecd7e349
23
app/base/src/include/function_resolver.h
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23
app/base/src/include/function_resolver.h
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#ifndef BASE_FUNCTION_RESOLVER_H_
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#define BASE_FUNCTION_RESOLVER_H_
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namespace base {
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class FunctionResolver {
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public:
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explicit FunctionResolver(uint64_t base_addr) : base_addr_(base_addr) {}
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template <typename FuncType>
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FuncType ResolveFunction(uint64_t offset) {
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return reinterpret_cast<FuncType>(base_addr_ + offset);
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}
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private:
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uint64_t base_addr_;
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};
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template<typename FuncType>
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auto CastFunction(FunctionResolver& resolver, uint64_t offset) {
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return resolver.ResolveFunction<FuncType>(offset);
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}
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} // namespace base
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#endif
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File diff suppressed because it is too large
Load Diff
236
script/ghidra_script/GraphFunctionFactory.java
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236
script/ghidra_script/GraphFunctionFactory.java
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import org.apache.commons.collections4.BidiMap;
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import org.apache.commons.collections4.bidimap.DualHashBidiMap;
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import edu.uci.ics.jung.graph.Graph;
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import generic.stl.Pair;
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import ghidra.graph.GDirectedGraph;
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import ghidra.graph.GEdge;
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import ghidra.graph.jung.JungDirectedGraph;
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import ghidra.program.model.address.AddressSetView;
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import ghidra.program.model.block.BasicBlockModel;
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import ghidra.program.model.block.CodeBlock;
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import ghidra.program.model.block.CodeBlockIterator;
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import ghidra.program.model.block.CodeBlockModel;
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import ghidra.program.model.block.CodeBlockReference;
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import ghidra.program.model.block.CodeBlockReferenceIterator;
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import ghidra.program.model.block.graph.CodeBlockVertex;
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import ghidra.program.model.listing.Function;
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import ghidra.program.model.listing.Program;
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import ghidra.program.model.symbol.FlowType;
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import ghidra.util.exception.CancelledException;
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import ghidra.util.task.TaskMonitor;
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public class GraphFunctionFactory {
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public static Pair<GDirectedGraph<FunctionVertex, FunctionEdge>, BidiMap<CodeBlock, FunctionVertex>> createGraph(
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Function f, TaskMonitor monitor) throws CancelledException {
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if (monitor == null) {
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monitor = TaskMonitor.DUMMY;
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}
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JungDirectedGraph<FunctionVertex, FunctionEdge> graph = new JungDirectedGraph<>();
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BidiMap<CodeBlock, FunctionVertex> vertices = createVertices(f, monitor);
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for (FunctionVertex v : vertices.values()) {
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graph.addVertex(v);
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}
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Collection<FunctionEdge> edges = createdEdges(vertices, monitor);
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for (FunctionEdge e : edges) {
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graph.addEdge(e);
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}
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// this must be done after the edges are added to the graph
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for (FunctionVertex vertex : vertices.values()) {
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vertex.setType(getVertexType(graph, vertex));
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}
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return new Pair<GDirectedGraph<FunctionVertex, FunctionEdge>, BidiMap<CodeBlock, FunctionVertex>>(graph,
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vertices);
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}
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private static BidiMap<CodeBlock, FunctionVertex> createVertices(Function f, TaskMonitor monitor)
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throws CancelledException {
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BidiMap<CodeBlock, FunctionVertex> vertices = new DualHashBidiMap<>();
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Program p = f.getProgram();
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CodeBlockModel blockModel = new BasicBlockModel(p);
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AddressSetView addresses = f.getBody();
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CodeBlockIterator iterator = blockModel.getCodeBlocksContaining(addresses, monitor);
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monitor.initialize(addresses.getNumAddresses());
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for (; iterator.hasNext();) {
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CodeBlock codeBlock = iterator.next();
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FlowType flowType = codeBlock.getFlowType();
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boolean isEntry = isEntry(codeBlock);
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FunctionVertex vertex = new FunctionVertex(codeBlock, flowType, isEntry);
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vertices.put(codeBlock, vertex);
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long blockAddressCount = codeBlock.getNumAddresses();
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long currentProgress = monitor.getProgress();
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monitor.setProgress(currentProgress + blockAddressCount);
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}
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return vertices;
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}
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private static Collection<FunctionEdge> createdEdges(BidiMap<CodeBlock, FunctionVertex> vertices,
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TaskMonitor monitor) throws CancelledException {
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List<FunctionEdge> edges = new ArrayList<>();
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for (FunctionVertex startVertex : vertices.values()) {
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Collection<FunctionEdge> vertexEdges = getEdgesForStartVertex(vertices, startVertex, monitor);
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edges.addAll(vertexEdges);
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}
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return edges;
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}
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private static Collection<FunctionEdge> getEdgesForStartVertex(BidiMap<CodeBlock, FunctionVertex> blockToVertexMap,
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FunctionVertex startVertex, TaskMonitor monitor) throws CancelledException {
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List<FunctionEdge> edges = new ArrayList<>();
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CodeBlock codeBlock = blockToVertexMap.getKey(startVertex);
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CodeBlockReferenceIterator destinations = codeBlock.getDestinations(monitor);
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for (; destinations.hasNext();) {
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CodeBlockReference reference = destinations.next();
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CodeBlock destinationBlock = reference.getDestinationBlock();
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FunctionVertex destinationVertex = blockToVertexMap.get(destinationBlock);
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if (destinationVertex == null) {
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continue;// no vertex means the code block is not in our function
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}
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edges.add(new FunctionEdge(startVertex, destinationVertex, reference.getFlowType()));
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}
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return edges;
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}
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private static VertexType getVertexType(Graph<FunctionVertex, FunctionEdge> graph, FunctionVertex v) {
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boolean isEntry = v.isEntry();
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boolean isExit = false;
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FlowType flowType = v.getFlowType();
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if (flowType.isTerminal()) {
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isExit = true;
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}
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Collection<FunctionEdge> outs = graph.getOutEdges(v);
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if (outs == null || outs.isEmpty()) {
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isExit = true;
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}
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VertexType type = VertexType.BODY;
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if (isEntry) {
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if (isExit) {
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type = VertexType.SINGLETON;
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} else {
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type = VertexType.ENTRY;
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}
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} else if (isExit) {
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type = VertexType.EXIT;
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}
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return type;
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}
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private static boolean isEntry(CodeBlock codeBlock) {
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boolean isSource = true;
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try {
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CodeBlockReferenceIterator iter = codeBlock.getSources(TaskMonitor.DUMMY);
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while (iter.hasNext()) {
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isSource = false;
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if (iter.next().getFlowType().isCall()) {
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// any calls into a code block will make it an 'entry'
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return true;
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}
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}
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} catch (CancelledException e) {
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// will never happen, because I don't have a monitor
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}
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return isSource;
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}
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}
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class FunctionVertex extends CodeBlockVertex {
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private VertexType type = VertexType.BODY;
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private FlowType flowType;
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private boolean isEntry;
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public FunctionVertex(CodeBlock codeBlock, FlowType flowType, boolean isEntry) {
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super(codeBlock);
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this.flowType = flowType;
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this.isEntry = isEntry;
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}
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public boolean isEntry() {
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return isEntry;
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}
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public FlowType getFlowType() {
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return flowType;
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}
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public VertexType getType() {
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return type;
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}
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public void setType(VertexType type) {
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this.type = type;
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}
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}
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class FunctionEdge implements GEdge<FunctionVertex> {
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private FunctionVertex start;
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private FunctionVertex end;
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private FlowType flowType;
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public FunctionEdge(FunctionVertex start, FunctionVertex end, FlowType flowType) {
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this.start = start;
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this.end = end;
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this.flowType = flowType;
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}
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public FlowType getFlowType() {
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return flowType;
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}
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@Override
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public FunctionVertex getStart() {
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return start;
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}
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@Override
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public FunctionVertex getEnd() {
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return end;
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}
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}
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enum VertexType {
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//@formatter:off
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BODY,
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ENTRY,
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EXIT,
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GROUP,
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SINGLETON;
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//@formatter:on
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public boolean isEntry() {
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return this == ENTRY || this == SINGLETON;
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}
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public boolean isExit() {
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return this == EXIT || this == SINGLETON;
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}
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}
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139
script/ghidra_script/RenameScript.java
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139
script/ghidra_script/RenameScript.java
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/* ###
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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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//
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// 根据一些日志类的相关函数的引用来获取当前函数的函数名
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// 输入被调用函数的地址和可以作为函数名称的参数的位置
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//
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//@category Functions
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import java.util.Iterator;
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import ghidra.app.decompiler.DecompInterface;
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import ghidra.app.decompiler.DecompileOptions;
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import ghidra.app.decompiler.DecompileResults;
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import ghidra.app.script.GhidraScript;
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import ghidra.program.model.address.Address;
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import ghidra.program.model.listing.CodeUnit;
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import ghidra.program.model.listing.Data;
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import ghidra.program.model.listing.Function;
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import ghidra.program.model.pcode.HighFunction;
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import ghidra.program.model.pcode.PcodeOp;
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import ghidra.program.model.pcode.PcodeOpAST;
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import ghidra.program.model.pcode.Varnode;
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import ghidra.program.model.symbol.Reference;
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import ghidra.program.model.symbol.ReferenceIterator;
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import ghidra.program.model.symbol.ReferenceManager;
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import ghidra.program.model.symbol.SourceType;
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import ghidra.util.StringUtilities;
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public class RenameScript extends GhidraScript {
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@Override
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protected void run() throws Exception {
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Address askAddress = askAddress("输入函数地址", "引用的函数地址");
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int askInt = askInt("输入参数位置", "函数名称的参数位置");
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DecompInterface decompiler = getDecompInterface();
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ReferenceIterator referenceIterator = currentProgram.getReferenceManager().getReferencesTo(askAddress);
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for (Reference ref : referenceIterator) {
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monitor.checkCancelled();
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Address fromAddress = ref.getFromAddress();
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Function functionContaining = currentProgram.getFunctionManager().getFunctionContaining(fromAddress);
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if (null == functionContaining) {
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println("no found function: " + fromAddress.toString());
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continue;
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}
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DecompileResults res = decompiler.decompileFunction(functionContaining, 30, null);
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if (!res.decompileCompleted()) {
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println("decompile error: " + res.getErrorMessage());
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continue;
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}
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HighFunction highFunction = res.getHighFunction();
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Iterator<PcodeOpAST> pcodeOps = highFunction.getPcodeOps();
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while (pcodeOps.hasNext()) {
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monitor.checkCancelled();
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PcodeOpAST opAST = pcodeOps.next();
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int opcode = opAST.getOpcode();
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if (PcodeOp.CALL == opcode || PcodeOp.CALLIND == opcode || PcodeOp.CALLOTHER == opcode) {
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Varnode input0 = opAST.getInput(0);
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boolean contains = input0.contains(askAddress);
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if (!contains) {
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continue;
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}
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Varnode inputVarnode = opAST.getInput(askInt);
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String nameString = null;
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if (inputVarnode.isUnique()) {
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nameString = getUniqueValue(inputVarnode);
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} else if (inputVarnode.isConstant()) {
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nameString = getConstact(inputVarnode);
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}
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if (StringUtilities.isAllBlank(nameString)) {
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continue;
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}
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String name = nameString.replace(" ", "");
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println("find function :" + name);
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SourceType signatureSource = functionContaining.getSignatureSource();
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if (signatureSource.isLowerPriorityThan(SourceType.USER_DEFINED)) {
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functionContaining.setName(name, SourceType.USER_DEFINED);
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currentProgram.getListing().setComment(functionContaining.getEntryPoint(), CodeUnit.POST_COMMENT,
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"script rename: " + name);
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}
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break;
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}
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}
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}
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}
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private DecompInterface getDecompInterface() {
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DecompInterface decompiler = new DecompInterface();
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DecompileOptions decompileOptions = new DecompileOptions();
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decompiler.setOptions(decompileOptions);
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decompiler.openProgram(currentProgram);
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return decompiler;
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}
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private String getConstact(Varnode input3) {
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Address address2 = input3.getAddress();
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Address address3 = toAddr(address2.getOffset());
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Data dataAt2 = getDataAt(address3);
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if (null != dataAt2) {
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if (dataAt2.hasStringValue()) {
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return dataAt2.getValue().toString();
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}
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}
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return null;
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}
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private String getUniqueValue(Varnode input3) {
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PcodeOp def = input3.getDef();
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Varnode[] inputs = def.getInputs();
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if (null != inputs && inputs.length > 0) {
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if (inputs[0].isConstant()) {
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Address address2 = inputs[0].getAddress();
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Address address3 = toAddr(address2.getOffset());
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Data dataAt2 = currentProgram.getListing().getDataAt(address3);
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if (null != dataAt2) {
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if (dataAt2.hasStringValue()) {
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return dataAt2.getValue().toString();
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}
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}
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}
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}
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return null;
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}
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}
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