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orboditilt 2019-02-25 18:53:19 +01:00
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7
.gitignore vendored Normal file
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.classpath
.settings/
target/
*.rpl
*.yml
.project
*.rpx

88
pom.xml Normal file
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<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>de.orb</groupId>
<artifactId>rpxgadgetfinder</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>rpxgadgetfinder</name>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>11</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.1</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass>de.orb.wiiu.rpxgadgetfinder.App</mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id> <!-- this is used for inheritance merges -->
<phase>package</phase> <!-- bind to the packaging phase -->
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.6</version>
</dependency>
<dependency>
<groupId>com.github.wiiu-env</groupId>
<artifactId>RPXParserLib</artifactId>
<version>7fc35a8</version>
</dependency>
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.23</version>
</dependency>
<dependency>
<groupId>commons-cli</groupId>
<artifactId>commons-cli</artifactId>
<version>1.4</version>
</dependency>
</dependencies>
</project>

198
src/main/java/de/orb/wiiu/rpxgadgetfinder/App.java Normal file
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package de.orb.wiiu.rpxgadgetfinder;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.stream.Collectors;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.constructor.Constructor;
import de.orb.wiiu.rpxparser.ElfSection;
import de.orb.wiiu.rpxparser.RPXFile;
import lombok.val;
public class App {
private static final String OPTION_HELP = "help";
private static final String OPTION_CONFIG_IN_LONG = "config_input";
private static final String OPTION_CONFIG_IN = "cin";
private static final String OPTION_BINARY_IN_LONG = "binary_input";
private static final String OPTION_BINARY_IN = "bin";
private static final String OPTION_ADDRESS_OFFSET_LONG = "address_offset";
private static final String OPTION_ADDRESS_OFFSET = "aoff";
public static void main(String[] args) throws NoSuchAlgorithmException, IOException {
Options options = getOptions();
if (args.length == 0) {
showHelp(options);
return;
}
CommandLineParser parser = new DefaultParser();
CommandLine cmd = null;
try {
cmd = parser.parse(options, args);
} catch (ParseException e1) {
System.err.println(e1.getMessage());
showHelp(options);
return;
}
if (cmd.hasOption(OPTION_HELP)) {
showHelp(options);
return;
}
String configFilename = cmd.getOptionValue(OPTION_CONFIG_IN);
String rpxrplFilename = cmd.getOptionValue(OPTION_BINARY_IN);
long addr_offset = 0;
if (cmd.hasOption(OPTION_ADDRESS_OFFSET_LONG)) {
addr_offset = Long.parseLong(cmd.getOptionValue(OPTION_ADDRESS_OFFSET_LONG));
}
File configFile = new File(configFilename);
if (!configFile.exists()) {
System.err.println(configFile.getAbsolutePath() + " does not exist.");
System.exit(-1);
}
Yaml yaml = new Yaml(new Constructor(SymbolList.class));
SymbolList curSymbolList = null;
try {
curSymbolList = yaml.load(new FileInputStream(configFile));
} catch (Exception e) {
System.err.println("Failed to parse config: " + configFile.getAbsolutePath() + ". " + e.getMessage());
System.exit(-1);
}
long totalOffset = addr_offset;
String path = rpxrplFilename.replace('/', File.separatorChar);
File rawRPX = new File(path);
if (!rawRPX.exists()) {
System.err.println("WARNING: File doesn't exist: " + rawRPX.getAbsolutePath());
System.exit(-1);
}
RPXFile rpx = null;
try {
rpx = new RPXFile(rawRPX);
} catch (IOException e1) {
System.err.println("Failed to parse rpx: " + rawRPX.getAbsolutePath());
e1.printStackTrace();
System.exit(-1);
}
val exports = rpx.getExports();
val exportSymbols = curSymbolList.getSymbols().stream().filter(s -> s instanceof ExportSymbol).map(s -> (ExportSymbol) s).collect(Collectors.toList());
val gadgetSymbols = curSymbolList.getSymbols().stream().filter(s -> s instanceof GadgetSymbol).map(s -> (GadgetSymbol) s).collect(Collectors.toList());
ElfSection section = rpx.getTextSection().get();
byte[] textSection = section.getSectionBuffer().array();
for (val cur : gadgetSymbols) {
byte[] buffer = new byte[cur.getSize()];
boolean found = false;
for (int i = 0; i < textSection.length - cur.getSize(); i += 4) {
System.arraycopy(textSection, i, buffer, 0, cur.getSize());
byte[] hash = MessageDigest.getInstance("SHA-256").digest(buffer);
if (Arrays.equals(hash, cur.getHash())) {
System.out.println(String.format("%s = 0x%08X;", cur.getOut(), i + section.address() + totalOffset));
found = true;
break;
}
}
if (!found) {
System.err.println(String.format("Not found %s", cur.toString()));
}
}
for (val s : exportSymbols) {
exports.stream().filter(e -> e.name().equals(s.getName())).findAny().ifPresentOrElse(cur -> {
System.out.println(String.format("%s = 0x%08X;", s.getOut(), cur.offset() + totalOffset));
}, () -> System.err.println(String.format("Not found %s", s.toString())));
}
}
/*
private static void createDefaultFile() throws IOException {
SymbolList coreinit = new SymbolList();
coreinit.add(new ExportSymbol("memcpy", "$ROP_memcpy"));
coreinit.add(new ExportSymbol("DCFlushRange", "$ROP_DCFlushRange"));
coreinit.add(new ExportSymbol("ICInvalidateRange", "$ROP_ICInvalidateRange"));
coreinit.add(new ExportSymbol("OSSwitchSecCodeGenMode", "$ROP_OSSwitchSecCodeGenMode"));
coreinit.add(new ExportSymbol("OSCodegenCopy", "$ROP_OSCodegenCopy"));
coreinit.add(new ExportSymbol("OSGetCodegenVirtAddrRange", "$ROP_OSGetCodegenVirtAddrRange"));
coreinit.add(new ExportSymbol("OSGetCoreId", "$ROP_OSGetCoreId"));
coreinit.add(new ExportSymbol("OSGetCurrentThread", "$ROP_OSGetCurrentThread"));
coreinit.add(new ExportSymbol("OSSetThreadAffinity", "$ROP_OSSetThreadAffinity"));
coreinit.add(new ExportSymbol("OSYieldThread", "$ROP_OSYieldThread"));
coreinit.add(new ExportSymbol("OSFatal", "$ROP_OSFatal"));
coreinit.add(new ExportSymbol("_Exit", "$ROP_Exit"));
coreinit.add(new ExportSymbol("OSScreenFlipBuffersEx", "$ROP_OSScreenFlipBuffersEx"));
coreinit.add(new ExportSymbol("OSScreenClearBufferEx", "$ROP_OSScreenClearBufferEx"));
coreinit.add(new ExportSymbol("OSDynLoad_Acquire", "$ROP_OSDynLoad_Acquire"));
coreinit.add(new ExportSymbol("OSDynLoad_FindExport", "$ROP_OSDynLoad_FindExport"));
coreinit.add(new ExportSymbol("__os_snprintf", "$ROP_os_snprintf"));
coreinit.add(new GadgetSymbol("c87020ec5098d13edd3ee0d0d01313a0a5f0a7937f36c0f5f4e9503165ae33fb", 0x10, "$ROP_POPJUMPLR_STACK12"));
coreinit.add(new GadgetSymbol("decff3ca875efc1a9c3d0ac7618f3efa3d33ca59bd3fd602a747d3469bd5c000", 0x10, "$ROP_POPJUMPLR_STACK20"));
coreinit.add(new GadgetSymbol("5306248821c072a9cf5c71c9469171e17cd2966f66fc7d612ce79cff8d5d124a", 0x34, "$ROP_CALLFUNC"));
coreinit.add(new GadgetSymbol("f4e76053a65c571f2b3b8c6c6dde973c95f889bccf0a22eb9649cbc7810c8e98", 0x2c, "$ROP_CALLR28_POP_R28_TO_R31"));
coreinit.add(new GadgetSymbol("4741b863adcf742f8928c485a39f3cc8629469d1ddccf9e68c9dd1c25341f091", 0x20, "$ROP_POP_R28R29R30R31"));
coreinit.add(new GadgetSymbol("972973be8074e92b0f10fc5fbbaaef6c28e2905f99007654cd735a5fd69933fc", 0x14, "$ROP_POP_R27"));
coreinit.add(new GadgetSymbol("6f5f11fdc441ddef8f2189cbc9006517c4917fcf6e975cb8cbeb2373bf8e8ca2", 0x14, "$ROP_POP_R24_TO_R31"));
coreinit.add(new GadgetSymbol("e602f66cf8aadc4d5e7db074ad9b8fbfa4190f862a8215cf26f707a49ca95070", 0x28, "$ROP_CALLFUNCPTR_WITHARGS_FROM_R3MEM"));
coreinit.add(new GadgetSymbol("5e1fb4810ff6fb86bb533f2050306de6e03e09450887df6cb22c6d8511c3e267", 0x18, "$ROP_SETR3TOR31_POP_R31"));
coreinit.add(new GadgetSymbol("5CED182718E8204C299EA1F8E295841A0325EE493893B86053DE762CC0EEFB48", 0x0C, "$ROP_Register"));
coreinit.add(new GadgetSymbol("C457C33CF42B00C2E00B96E2C6B097848643BC172E8BDC9F0E7D974E833860B6", 0x0C, "$ROP_CopyToSaveArea"));
Yaml yaml = new Yaml(new Constructor(SymbolList.class));
Writer writer = new FileWriter(new File("coreinit.yml"));
yaml.dump(coreinit, writer);
SymbolList gx2 = new SymbolList();
gx2.add(new ExportSymbol("GX2Init", "$ROP_GX2Init"));
gx2.add(new ExportSymbol("GX2Flush", "$ROP_GX2Flush"));
gx2.add(new ExportSymbol("GX2DirectCallDisplayList", "$ROP_GX2DirectCallDisplayList"));
writer.close();
writer = new FileWriter(new File("gx2.yml"));
yaml.dump(gx2, writer);
writer.close();
}
*/
private static Options getOptions() {
Options options = new Options();
options.addOption(Option.builder(OPTION_CONFIG_IN).longOpt(OPTION_CONFIG_IN_LONG).required().hasArg().argName("filename").desc("path to a config.yml")
.required().build());
options.addOption(Option.builder(OPTION_BINARY_IN).longOpt(OPTION_BINARY_IN_LONG).required().hasArg().argName("filename").desc("path to the rpx/rpl that should be parsed")
.required().build());
options.addOption(Option.builder(OPTION_ADDRESS_OFFSET).longOpt(OPTION_ADDRESS_OFFSET_LONG).required().hasArg().argName("offset").desc("offset that will be added to the addresses")
.required().build());
options.addOption(OPTION_HELP, false, "shows this text");
return options;
}
private static void showHelp(Options options) {
HelpFormatter formatter = new HelpFormatter();
formatter.setWidth(100);
formatter.printHelp(" ", options);
}
}

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src/main/java/de/orb/wiiu/rpxgadgetfinder/ExportSymbol.java Normal file
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package de.orb.wiiu.rpxgadgetfinder;
import lombok.Data;
@Data
public class ExportSymbol extends Symbol {
private String name;
public ExportSymbol() {
super();
}
public ExportSymbol(String name, String out) {
super(out);
this.name = name;
}
}

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src/main/java/de/orb/wiiu/rpxgadgetfinder/GadgetSymbol.java Normal file
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package de.orb.wiiu.rpxgadgetfinder;
import lombok.Data;
@Data
public class GadgetSymbol extends Symbol {
private byte[] hash;
private int size;
public GadgetSymbol() {
super();
}
public GadgetSymbol(String hex, int size, String out) {
super(out);
hash = hexStringToByteArray(hex);
this.size = size;
}
public byte[] hexStringToByteArray(String s) {
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) + Character.digit(s.charAt(i + 1), 16));
}
return data;
}
}

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src/main/java/de/orb/wiiu/rpxgadgetfinder/Symbol.java Normal file
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package de.orb.wiiu.rpxgadgetfinder;
import lombok.Data;
@Data
public class Symbol {
private String out;
public Symbol() {
}
public Symbol(String out) {
this.out = out;
}
}

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src/main/java/de/orb/wiiu/rpxgadgetfinder/SymbolList.java Normal file
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package de.orb.wiiu.rpxgadgetfinder;
import java.util.ArrayList;
import java.util.List;
import lombok.Data;
@Data
public class SymbolList {
private List<Symbol> symbols = new ArrayList<>();
public void add(Symbol symbol) {
symbols.add(symbol);
}
}