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use crate::cache::{cached_function, cached_type_references};
use crate::matcher::invalidate_function_matcher_cache;
use binaryninja::binaryview::BinaryView;
use binaryninja::command::FunctionCommand;
use binaryninja::function::Function;
use std::io::Write;
use std::thread;
pub struct AddFunctionSignature;
impl FunctionCommand for AddFunctionSignature {
fn action(&self, view: &BinaryView, func: &Function) {
let view = view.to_owned();
let func = func.to_owned();
thread::spawn(move || {
let Ok(llil) = func.low_level_il() else {
log::error!("Could not get low level IL for function.");
return;
};
let Some(save_file) = binaryninja::interaction::get_save_filename_input(
"Use Signature File",
"*.sbin",
"user.sbin",
) else {
return;
};
let mut data = warp::signature::Data::default();
if let Ok(file_bytes) = std::fs::read(&save_file) {
// If the file we are adding the function to already has data we should preserve it!
log::info!("Signature file already exists, preserving data...");
let Some(file_data) = warp::signature::Data::from_bytes(&file_bytes) else {
log::error!("Could not get data from signature file: {:?}", save_file);
return;
};
data = file_data;
};
// Now add our function to the data.
data.functions.push(cached_function(&func, &llil));
if let Some(ref_ty_cache) = cached_type_references(&view) {
let referenced_types = ref_ty_cache
.cache
.iter()
.filter_map(|t| t.to_owned())
.collect::<Vec<_>>();
data.types.extend(referenced_types);
}
if let Ok(mut file) = std::fs::File::create(&save_file) {
match file.write_all(&data.to_bytes()) {
Ok(_) => {
log::info!("Signature file saved successfully.");
// Force rebuild platform matcher.
invalidate_function_matcher_cache();
}
Err(e) => log::error!("Failed to write data to signature file: {:?}", e),
}
} else {
log::error!("Could not create signature file: {:?}", save_file);
}
});
}
fn valid(&self, _view: &BinaryView, _func: &Function) -> bool {
true
}
}
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