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move imports/exports logic to with_pe

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🪞👃🪞 2025-02-18 22:28:36 +02:00
parent c0cf91b7af
commit 957d42b591
3 changed files with 35 additions and 36 deletions
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12
crates/vestal/src/execute.rs
View file

@ -2,16 +2,8 @@ use crate::*;
impl Vestal { impl Vestal {
pub fn execute (&self, path: impl AsRef<Path>) -> Usually<()> { pub fn execute (&self, path: impl AsRef<Path>) -> Usually<()> {
Self::with_pe(&path, |pe|{ Self::with_pe(&path, |pe, main, deps|{
println!("PE: {}", path.as_ref().display());
let mut main = None;
for export in pe.exports.iter() {
if let Some("VSTPluginMain") = export.name {
println!("VSTPluginMain: {:?} + {:?}", &export.rva, &export.offset);
main = Some(export);
break
}
}
}) })
} }
} }

25
crates/vestal/src/inspect.rs
View file

@ -2,26 +2,15 @@ use crate::*;
impl Vestal { impl Vestal {
pub fn inspect (&self, path: impl AsRef<Path>) -> Usually<()> { pub fn inspect (&self, path: impl AsRef<Path>) -> Usually<()> {
Self::with_pe(&path, |pe|{ Self::with_pe(&path, |pe, main, deps|{
println!("PE: {}", path.as_ref().display()); if let Some(main) = main {
for export in pe.exports.iter() { println!("VSTPluginMain: {:?} + {:?}", &main.rva, &main.offset);
if let Some("VSTPluginMain") = export.name { } else {
println!("VSTPluginMain: {:?} + {:?}", &export.rva, &export.offset); panic!("VSTPluginMain not found. This is not a valid VST plugin.");
break
}
} }
use std::collections::HashMap;
let mut imports: HashMap<String, Vec<&goblin::pe::import::Import>> = Default::default();
println!("Imports: {:#?}", &pe.imports.len()); println!("Imports: {:#?}", &pe.imports.len());
for import in pe.imports.iter() { println!("Dependencies: {:#?}", &deps.len());
let dll = import.dll.clone(); for (dll, imports) in deps.iter() {
if !imports.contains_key(dll) {
imports.insert(dll.to_string(), vec![]);
}
imports.get_mut(dll).unwrap().push(import);
}
println!("Dependencies: {:#?}", &imports.len());
for (dll, imports) in imports.iter() {
println!("- {dll}"); println!("- {dll}");
for import in imports.iter() { for import in imports.iter() {
println!(" {:8} + {:8} {:32}", import.rva, import.offset, import.name); println!(" {:8} + {:8} {:32}", import.rva, import.offset, import.name);

34
crates/vestal/src/main.rs
View file

@ -1,11 +1,9 @@
pub(crate) use std::path::Path;
pub(crate) use goblin::{error, Object, pe::PE, pe::import::Import};
//pub(crate) use exe::pe::{PE, VecPE};
//pub(crate) use exe::types::{ImportDirectory, ImportData, CCharString};
use clap::Parser;
mod execute; mod execute;
mod inspect; mod inspect;
pub(crate) use std::path::Path;
pub(crate) use goblin::{error, Object, pe::{PE, import::Import, export::Export}};
use std::collections::HashMap;
use clap::Parser;
type Usually<T> = Result<T, Box<dyn std::error::Error>>; type Usually<T> = Result<T, Box<dyn std::error::Error>>;
@ -29,10 +27,30 @@ impl Vestal {
Self::Execute { path } => self.execute(path.as_str()), Self::Execute { path } => self.execute(path.as_str()),
} }
} }
pub fn with_pe (path: &impl AsRef<Path>, cb: impl Fn(&PE<'_>)) -> Usually<()> { pub fn with_pe (
path: &impl AsRef<Path>,
cb: impl Fn(&PE, Option<&Export>, HashMap<String, Vec<&Import>>)
) -> Usually<()> {
println!("PE: {}", path.as_ref().display());
let buffer = std::fs::read(path.as_ref())?; let buffer = std::fs::read(path.as_ref())?;
if let Object::PE(ref pe) = Object::parse(&buffer)? { if let Object::PE(ref pe) = Object::parse(&buffer)? {
cb(pe); let mut main = None;
let mut imports: HashMap<_, _> = Default::default();
for import in pe.imports.iter() {
let dll = import.dll.clone();
if !imports.contains_key(dll) {
imports.insert(dll.to_string(), vec![]);
}
imports.get_mut(dll).unwrap().push(import);
}
for export in pe.exports.iter() {
if let Some("VSTPluginMain") = export.name {
println!("VSTPluginMain: {:?} + {:?}", &export.rva, &export.offset);
main = Some(export);
break
}
}
cb(pe, main, imports);
Ok(()) Ok(())
} else { } else {
Err("not a PE".into()) Err("not a PE".into())