init
This commit is contained in:
commit
89f562fa86
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.gitignore
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*.so
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**/target/
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||||||
324
crates/goblin-pyo3/Cargo.lock
generated
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crates/goblin-pyo3/Cargo.lock
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12
crates/goblin-pyo3/Cargo.toml
Normal file
12
crates/goblin-pyo3/Cargo.toml
Normal file
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|
@ -0,0 +1,12 @@
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[package]
|
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[lib]
|
||||||
|
name = "goblin"
|
||||||
|
crate-type = ["cdylib"]
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
goblin = "0.7.1"
|
||||||
|
pyo3 = { version = "0.20.0", features = ["extension-module"] }
|
||||||
13
crates/goblin-pyo3/pyproject.toml
Normal file
13
crates/goblin-pyo3/pyproject.toml
Normal file
|
|
@ -0,0 +1,13 @@
|
||||||
|
[build-system]
|
||||||
|
requires = ["maturin>=1,<2"]
|
||||||
|
build-backend = "maturin"
|
||||||
|
|
||||||
|
[project]
|
||||||
|
name = "goblin"
|
||||||
|
requires-python = ">=3.7"
|
||||||
|
classifiers = [
|
||||||
|
"Programming Language :: Rust",
|
||||||
|
"Programming Language :: Python :: Implementation :: CPython",
|
||||||
|
"Programming Language :: Python :: Implementation :: PyPy",
|
||||||
|
]
|
||||||
|
|
||||||
400
crates/goblin-pyo3/src/lib.rs
Normal file
400
crates/goblin-pyo3/src/lib.rs
Normal file
|
|
@ -0,0 +1,400 @@
|
||||||
|
use std::{
|
||||||
|
fs::File,
|
||||||
|
io::Read,
|
||||||
|
};
|
||||||
|
|
||||||
|
use goblin::{
|
||||||
|
mach::{symbols::Nlist, Mach},
|
||||||
|
};
|
||||||
|
use pyo3::{prelude::*, exceptions::PyTypeError};
|
||||||
|
|
||||||
|
#[pyclass]
|
||||||
|
struct Object {
|
||||||
|
len: usize,
|
||||||
|
ptr: *mut u8,
|
||||||
|
inner: Option<goblin::Object<'static>>,
|
||||||
|
}
|
||||||
|
|
||||||
|
// SAFETY: We only use `ptr` in `drop` to reconstruct a `Vec`
|
||||||
|
unsafe impl Send for Object {}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Object {
|
||||||
|
#[new]
|
||||||
|
fn new(path: String) -> Self {
|
||||||
|
let mut file = File::open(path).unwrap();
|
||||||
|
let size = file.metadata().map(|m| m.len() as usize).ok();
|
||||||
|
let mut vec = Vec::with_capacity(size.unwrap_or(0));
|
||||||
|
file.read_to_end(&mut vec).unwrap();
|
||||||
|
|
||||||
|
vec.shrink_to_fit();
|
||||||
|
let len = vec.len();
|
||||||
|
let cap = vec.capacity();
|
||||||
|
let ptr = vec.as_mut_ptr();
|
||||||
|
assert!(len == cap);
|
||||||
|
|
||||||
|
let obj = vec.leak();
|
||||||
|
let object = goblin::Object::parse(obj).unwrap();
|
||||||
|
|
||||||
|
Self {
|
||||||
|
len,
|
||||||
|
ptr,
|
||||||
|
inner: Some(object),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn header(&self) -> Header {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => Header::from(macho.header),
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn name(&self) -> Option<&str> {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => macho.name.clone(),
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn symbols(&self) -> Symbols {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => Symbols::from(macho.symbols()),
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn libs(&self) -> Vec<&str> {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => macho.libs.clone(),
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn rpaths(&self) -> Vec<&str> {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => macho.rpaths.clone(),
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn exports(&self) -> Result<Vec<Export>, PyErr> {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => {
|
||||||
|
let exports = macho.exports().map_err(|_| PyErr::new::<PyTypeError, _>("failed"))?;
|
||||||
|
Ok(exports.into_iter().map(|exp| exp.into()).collect())
|
||||||
|
},
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn imports(&self) -> Result<Vec<Import>, PyErr> {
|
||||||
|
match self.inner.as_ref().unwrap() {
|
||||||
|
goblin::Object::Mach(Mach::Binary(macho)) => {
|
||||||
|
let imports = macho.imports().map_err(|_| PyErr::new::<PyTypeError, _>("failed"))?;
|
||||||
|
Ok(imports.into_iter().map(|exp| exp.into()).collect())
|
||||||
|
},
|
||||||
|
_ => unimplemented!(),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Drop for Object {
|
||||||
|
fn drop(&mut self) {
|
||||||
|
let obj = self.inner.take();
|
||||||
|
drop(obj);
|
||||||
|
|
||||||
|
// SAFETY:
|
||||||
|
// We took `ptr` and `len` from the vec earlier,
|
||||||
|
// then leaked it to get a stic reference to it which was only held within `self.inner`,
|
||||||
|
// which has been dropped above.
|
||||||
|
unsafe {
|
||||||
|
let vec = Vec::from_raw_parts(self.ptr, self.len, self.len);
|
||||||
|
drop(vec);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
#[pyclass]
|
||||||
|
struct Header {
|
||||||
|
#[pyo3(get)]
|
||||||
|
magic: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
cputype: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
cpusubtype: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
filetype: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
ncmds: usize,
|
||||||
|
#[pyo3(get)]
|
||||||
|
sizeofcmds: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
flags: u32,
|
||||||
|
#[pyo3(get)]
|
||||||
|
reserved: u32,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<goblin::mach::header::Header> for Header {
|
||||||
|
fn from(other: goblin::mach::header::Header) -> Self {
|
||||||
|
Header {
|
||||||
|
magic: other.magic,
|
||||||
|
cputype: other.cputype,
|
||||||
|
cpusubtype: other.cpusubtype,
|
||||||
|
filetype: other.filetype,
|
||||||
|
ncmds: other.ncmds,
|
||||||
|
sizeofcmds: other.sizeofcmds,
|
||||||
|
flags: other.flags,
|
||||||
|
reserved: other.reserved,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Header {
|
||||||
|
fn __repr__(&self) -> String {
|
||||||
|
format!("{:?}", self)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Clone)]
|
||||||
|
#[pyclass]
|
||||||
|
struct Symbol {
|
||||||
|
#[pyo3(get)]
|
||||||
|
name: String,
|
||||||
|
|
||||||
|
meta: Nlist,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Symbol {
|
||||||
|
#[getter]
|
||||||
|
fn typ(&self) -> &'static str {
|
||||||
|
self.meta.type_str()
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn global(&self) -> bool {
|
||||||
|
self.meta.is_global()
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn weak(&self) -> bool {
|
||||||
|
self.meta.is_weak()
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn undefined(&self) -> bool {
|
||||||
|
self.meta.is_undefined()
|
||||||
|
}
|
||||||
|
|
||||||
|
#[getter]
|
||||||
|
fn stab(&self) -> bool {
|
||||||
|
self.meta.is_stab()
|
||||||
|
}
|
||||||
|
|
||||||
|
fn __repr__(&self) -> String {
|
||||||
|
format!(
|
||||||
|
"Symbol {{ name: {}, global: {}, weak: {}, undefined: {}, stab: {} }}",
|
||||||
|
self.name,
|
||||||
|
self.global(),
|
||||||
|
self.weak(),
|
||||||
|
self.undefined(),
|
||||||
|
self.stab()
|
||||||
|
)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pyclass]
|
||||||
|
struct Symbols {
|
||||||
|
symbols: Vec<Symbol>,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Symbols {
|
||||||
|
fn __iter__(slf: PyRef<'_, Self>) -> PyResult<Py<SymbolIter>> {
|
||||||
|
let iter = SymbolIter {
|
||||||
|
inner: slf.symbols.clone().into_iter(),
|
||||||
|
};
|
||||||
|
Py::new(slf.py(), iter)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<goblin::mach::symbols::SymbolIterator<'_>> for Symbols {
|
||||||
|
fn from(other: goblin::mach::symbols::SymbolIterator) -> Self {
|
||||||
|
let symbols = other
|
||||||
|
.map(|sym| {
|
||||||
|
let (symname, meta) = sym.unwrap();
|
||||||
|
Symbol {
|
||||||
|
name: symname.to_string(),
|
||||||
|
meta,
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
|
||||||
|
Symbols { symbols }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pyclass]
|
||||||
|
struct SymbolIter {
|
||||||
|
inner: std::vec::IntoIter<Symbol>,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl SymbolIter {
|
||||||
|
fn __iter__(slf: PyRef<'_, Self>) -> PyRef<'_, Self> {
|
||||||
|
slf
|
||||||
|
}
|
||||||
|
|
||||||
|
fn __next__(mut slf: PyRefMut<'_, Self>) -> Option<Symbol> {
|
||||||
|
slf.inner.next()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Default, Clone)]
|
||||||
|
#[pyclass]
|
||||||
|
enum ExportTyp {
|
||||||
|
#[default]
|
||||||
|
Regular,
|
||||||
|
Reexport,
|
||||||
|
Stub
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Default, Clone)]
|
||||||
|
#[pyclass]
|
||||||
|
pub struct ExportInfo {
|
||||||
|
#[pyo3(get)]
|
||||||
|
typ: ExportTyp,
|
||||||
|
#[pyo3(get)]
|
||||||
|
address: u64,
|
||||||
|
#[pyo3(get)]
|
||||||
|
flags: u64,
|
||||||
|
#[pyo3(get)]
|
||||||
|
lib: String,
|
||||||
|
#[pyo3(get)]
|
||||||
|
lib_symbol_name: Option<String>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<goblin::mach::exports::ExportInfo<'_>> for ExportInfo {
|
||||||
|
fn from(info: goblin::mach::exports::ExportInfo) -> Self {
|
||||||
|
use goblin::mach::exports::ExportInfo::*;
|
||||||
|
match info {
|
||||||
|
Regular { address, flags } => {
|
||||||
|
Self {
|
||||||
|
typ: ExportTyp::Regular,
|
||||||
|
address,
|
||||||
|
flags,
|
||||||
|
.. Default::default()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Reexport { lib, lib_symbol_name, flags } => {
|
||||||
|
Self {
|
||||||
|
typ: ExportTyp::Reexport,
|
||||||
|
lib: lib.to_string(),
|
||||||
|
lib_symbol_name: lib_symbol_name.map(|s| s.to_string()),
|
||||||
|
flags,
|
||||||
|
.. Default::default()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
Stub {
|
||||||
|
flags, ..
|
||||||
|
} => {
|
||||||
|
Self {
|
||||||
|
typ: ExportTyp::Stub,
|
||||||
|
flags,
|
||||||
|
.. Default::default()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
#[pyclass]
|
||||||
|
struct Export {
|
||||||
|
#[pyo3(get)]
|
||||||
|
name: String,
|
||||||
|
#[pyo3(get)]
|
||||||
|
info: ExportInfo,
|
||||||
|
#[pyo3(get)]
|
||||||
|
size: usize,
|
||||||
|
#[pyo3(get)]
|
||||||
|
offset: u64,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Export {
|
||||||
|
fn __repr__(&self) -> String {
|
||||||
|
format!("{:?}", self)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<goblin::mach::exports::Export<'_>> for Export {
|
||||||
|
fn from(export: goblin::mach::exports::Export) -> Self {
|
||||||
|
Self {
|
||||||
|
name: export.name,
|
||||||
|
info: export.info.into(),
|
||||||
|
size: export.size,
|
||||||
|
offset: export.offset,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
#[pyclass]
|
||||||
|
struct Import {
|
||||||
|
#[pyo3(get)]
|
||||||
|
name: String,
|
||||||
|
#[pyo3(get)]
|
||||||
|
dylib: String,
|
||||||
|
#[pyo3(get)]
|
||||||
|
is_lazy: bool,
|
||||||
|
#[pyo3(get)]
|
||||||
|
offset: u64,
|
||||||
|
#[pyo3(get)]
|
||||||
|
size: usize,
|
||||||
|
#[pyo3(get)]
|
||||||
|
address: u64,
|
||||||
|
#[pyo3(get)]
|
||||||
|
addend: i64,
|
||||||
|
#[pyo3(get)]
|
||||||
|
is_weak: bool,
|
||||||
|
#[pyo3(get)]
|
||||||
|
start_of_sequence_offset: u64,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymethods]
|
||||||
|
impl Import {
|
||||||
|
fn __repr__(&self) -> String {
|
||||||
|
format!("{:?}", self)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
impl From<goblin::mach::imports::Import<'_>> for Import {
|
||||||
|
fn from(import: goblin::mach::imports::Import<'_>) -> Self {
|
||||||
|
Self {
|
||||||
|
name: import.name.to_string(),
|
||||||
|
dylib: import.dylib.to_string(),
|
||||||
|
is_lazy: import.is_lazy,
|
||||||
|
offset: import.offset,
|
||||||
|
size: import.size,
|
||||||
|
address: import.address,
|
||||||
|
addend: import.addend,
|
||||||
|
is_weak: import.is_weak,
|
||||||
|
start_of_sequence_offset: import.start_of_sequence_offset,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[pymodule]
|
||||||
|
#[pyo3(name = "goblin")]
|
||||||
|
fn py_goblin(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
|
||||||
|
m.add_class::<Object>()?;
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
22
crates/goblin-pyo3/test.py
Normal file
22
crates/goblin-pyo3/test.py
Normal file
|
|
@ -0,0 +1,22 @@
|
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|
import goblin
|
||||||
|
|
||||||
|
g = goblin.Object("mylib.dylib")
|
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|
print(g.header)
|
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|
print(g.name)
|
||||||
|
|
||||||
|
print("symbols")
|
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|
for sym in g.symbols():
|
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|
print(sym)
|
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|
break
|
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|
|
||||||
|
print("libs")
|
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|
print(g.libs)
|
||||||
|
|
||||||
|
print("rpaths")
|
||||||
|
print(g.rpaths)
|
||||||
|
|
||||||
|
print("exports")
|
||||||
|
print(len(g.exports()))
|
||||||
|
|
||||||
|
print("imports")
|
||||||
|
print(len(g.imports()))
|
||||||
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Reference in a new issue