48 lines
1.6 KiB
Rust
48 lines
1.6 KiB
Rust
use std::env;
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fn main() {
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println!("cargo:rerun-if-env-changed=FRIDA_CODE");
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println!("cargo:rerun-if-env-changed=FRIDA_CODE_FILE");
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println!("cargo:rerun-if-env-changed=DLL_PROXY");
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if let Ok(code_file) = env::var("FRIDA_CODE_FILE") {
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env::set_var("FRIDA_CODE", &std::fs::read_to_string(&code_file).unwrap());
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println!("cargo:warning=Using code from file: {}", &code_file);
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} else if env::var("FRIDA_CODE").is_ok() {
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println!("cargo:warning=Using code from environment variable: FRIDA_CODE");
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} else {
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println!("Please set FRIDA_CODE or FRIDA_CODE_FILE environment variable");
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std::process::exit(1);
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}
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if let Ok(lib_path) = env::var("DLL_PROXY") {
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use goblin::Object::{self, PE};
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let path = std::path::Path::new(&lib_path);
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let lib_filename = path.file_name().unwrap().to_str().unwrap();
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let lib_bytes = std::fs::read(path).expect(format!("Failed to open given library file {}", &lib_filename).as_str());
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let object = Object::parse(&lib_bytes).expect(format!("Failed to parse given libary file {}", &lib_filename).as_str());
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let (exports, lib_name): (Vec<&str>, String) = match object {
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PE(o) =>
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(o.exports
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.iter()
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.map(|e| e.name.unwrap().clone())
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.collect(),
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o.name.unwrap().replace(".dll", "")),
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_ => {
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println!("Only DLL files are supported");
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std::process::exit(1);
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},
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};
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for e in exports.iter() {
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println!("cargo:warning=Exported function: {}", e);
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// println!("cargo:rustc-link-lib=dylib={}-orig", lib_name);
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println!("cargo:rustc-link-arg=/export:{}={}-orig.{}", e, lib_name, e);
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}
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println!("cargo:warning=Expected library name: {}-orig.dll", lib_name);
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}
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}
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