The-Homebrew-Cloud/GhidraRPXLoader
2
0
Fork 0
mirror of https://github.com/Maschell/GhidraRPXLoader.git synced 2024-11-14 04:15:09 +01:00
Code Issues Packages Projects Releases Wiki Activity

Use the TaskMonitor

Browse Source
This commit is contained in:
Maschell 2019-03-08 18:04:29 +01:00
parent 721b0306a5
commit d9cbfe31da
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/main/java/rpx/RPXFileSystem.java
View File

@ -91,7 +91,7 @@ public class RPXFileSystem implements GFileSystem {
public void mount(TaskMonitor monitor) {
monitor.setMessage("Opening " + RPXFileSystem.class.getSimpleName() + "...");
try {
ElfData data = convertRPX(provider);
ElfData data = convertRPX(provider, monitor);
fsih.storeFile("converted.elf", 0, false, data.elf_size, data);
} catch (Exception e) {
e.printStackTrace();
@ -101,9 +101,13 @@ public class RPXFileSystem implements GFileSystem {
/**
* Based on https://github.com/Relys/rpl2elf/blob/master/rpl2elf.c
*
* @param monitor
*
* @return
* @throws CancelledException
*/
public static ElfData convertRPX(ByteProvider bProvider) throws ElfException, IOException, DataFormatException {
public static ElfData convertRPX(ByteProvider bProvider, TaskMonitor monitor)
throws ElfException, IOException, DataFormatException, CancelledException {
ElfHeader elfFile = ElfHeader.createElfHeader(RethrowContinuesFactory.INSTANCE, bProvider);
elfFile.parse();
@ -122,6 +126,7 @@ public class RPXFileSystem implements GFileSystem {
for (ElfSectionHeader h : elfFile.getSections()) {
monitor.checkCanceled();
long curSize = h.getSize();
long flags = h.getFlags();
long offset = h.getOffset();
@ -131,6 +136,7 @@ public class RPXFileSystem implements GFileSystem {
byte[] data = h.getData();
if ((flags & SHF_RPL_ZLIB) == SHF_RPL_ZLIB) {
monitor.setMessage("Decompressing section " + h.getTypeAsString());
long section_size_inflated = ByteBuffer.wrap(Arrays.copyOf(data, 4)).getInt() & 0xFFFFFFFF;
Inflater inflater = new Inflater();
inflater.setInput(data, 4, (int) h.getSize() - 4); // the first byte is the size
@ -165,9 +171,11 @@ public class RPXFileSystem implements GFileSystem {
// Hacky way to fix import relocations
if (h.getType() == ElfSectionHeaderConstants.SHT_SYMTAB) {
monitor.setMessage("Fix import relocations " + h.getTypeAsString());
int symbolCount = (int) ((int) (curSize) / h.getEntrySize());
long entryPos = 0;
for (int i = 0; i < symbolCount; i++) {
monitor.checkCanceled();
long test_offset = (int) (offset + entryPos + 4);
buffer.position((int) test_offset);
int val = buffer.getInt();
@ -183,6 +191,7 @@ public class RPXFileSystem implements GFileSystem {
buffer = checkBuffer(buffer, shdr_elf_offset + 0x28);
monitor.setMessage("Converting section " + h.getTypeAsString());
buffer.position((int) shdr_elf_offset);
System.out.println("Write header " + String.format("%08X", shdr_elf_offset));
buffer.putInt(h.getName());
@ -208,6 +217,7 @@ public class RPXFileSystem implements GFileSystem {
}
monitor.setMessage("Create new ELF header");
buffer.position(0);
buffer.put(RPX_MAGIC);
buffer.position(0x10);