Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

#19 and #1501 ElfExporter and PeExporter #1505

Closed
Closed
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
@@ -0,0 +1,107 @@
/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ghidra.app.util.exporter;

import java.io.*;
import java.util.List;
import java.util.Optional;

import ghidra.app.script.GhidraScript;
import ghidra.app.util.DomainObjectService;
import ghidra.app.util.Option;
import ghidra.framework.model.DomainObject;
import ghidra.program.database.mem.AddressSourceInfo;
import ghidra.program.database.mem.FileBytes;
import ghidra.program.model.address.*;
import ghidra.program.model.listing.Program;
import ghidra.program.model.mem.*;
import ghidra.program.model.reloc.Relocation;
import ghidra.util.HelpLocation;
import ghidra.util.task.TaskMonitor;
import utilities.util.FileUtilities;

abstract class AbstractExecutableExporter extends Exporter {

protected AbstractExecutableExporter(String name, String extension, HelpLocation help) {
super(name, extension, help);
}

@Override
public boolean export(File file, DomainObject domainObj, AddressSetView addrSet,
TaskMonitor monitor) throws IOException, ExporterException {

if (!(domainObj instanceof Program)) {
log.appendMsg("Unsupported type: " + domainObj.getClass().getName());
return false;
}
Program program = (Program) domainObj;
Memory memory = program.getMemory();

try (OutputStream out = new FileOutputStream(file, false)) {
FileBytes[] fileBytes = memory.getAllFileBytes()
.stream()
.filter((fb) -> fb.getFilename().equals(program.getName()))
.toArray(FileBytes[]::new);
for (FileBytes bytes : fileBytes) {
FileBytesInputStream byteStream = new FileBytesInputStream(bytes);
FileUtilities.copyStreamToStream(byteStream, out, monitor);
}
}
try (RandomAccessFile fout = new RandomAccessFile(file, "rw")) {
Iterable<Relocation> relocs =
() -> program.getRelocationTable().getRelocations();
for (Relocation reloc : relocs) {
AddressSourceInfo info = memory.getAddressSourceInfo(reloc.getAddress());
// some relocations report negative offsets
if (info.getFileOffset() >= 0) {
// seek incase we are larger than an int
fout.seek(info.getFileOffset());
fout.write(reloc.getBytes());
}
}
}

return true;
}

@Override
public List<Option> getOptions(DomainObjectService domainObjectService) {
return EMPTY_OPTIONS;
}

@Override
public void setOptions(List<Option> options) {
}

private static class FileBytesInputStream extends InputStream {

private long pos = 0;
private final FileBytes bytes;

FileBytesInputStream(FileBytes bytes) {
this.bytes = bytes;
}

@Override
public int read() throws IOException {
if (pos < bytes.getSize()) {
return bytes.getModifiedByte(pos++) & 0xff;
}
return -1;
}

}
}
@@ -0,0 +1,27 @@
/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ghidra.app.util.exporter;

import ghidra.util.HelpLocation;

// TODO export labels and other useful analysis information
public class ElfExporter extends AbstractExecutableExporter {

public ElfExporter() {
super("Elf", "", new HelpLocation("ExporterPlugin", "elf"));
}

}
@@ -0,0 +1,27 @@
/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ghidra.app.util.exporter;

import ghidra.util.HelpLocation;

// TODO export labels and other useful analysis information
public class PeExporter extends AbstractExecutableExporter {

public PeExporter() {
super("PE", "exe", new HelpLocation("ExporterPlugin", "pe"));
}

}