260 lines
6.9 KiB
Rust
260 lines
6.9 KiB
Rust
// lib.rs
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//
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// 此部分代码主要负责Rust-C两侧的数据内存结构转换，提供了C侧的函数接口。注意命名规范：
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// 在C侧使用时，凡是函数名带有 '_cwallet'的，调用过之后都必须用'free_cwallet'释放内存，
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// 否则导致内存泄漏
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//
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use std::ffi::{CStr, CString};
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use std::os::raw::c_char;
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mod wallet;
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use wallet_impl::Wallet;
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use crate::wallet::*;
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mod utils;
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use utils::str_utils::{base64_to_hex, hex_to_base64};
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// #[cfg(target_os = "android")]
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// mod android;
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macro_rules! cchar_to_str{
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($p1:expr) => {
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{
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let s = CStr::from_ptr($p1);
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let ps = s.to_str().unwrap();
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ps
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}
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}
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}
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macro_rules! cchar_to_string{
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($p1:expr) => {
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{
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let s = CStr::from_ptr($p1);
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let ps = s.to_str().unwrap();
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ps.to_string()
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}
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}
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}
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macro_rules! cchar_to_ostring{
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($p1:expr) => {
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{
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let s = CStr::from_ptr($p1);
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let pb = s.to_str().unwrap();
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let result = if pb.is_empty() {
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None
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} else {
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Some(pb.to_string())
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};
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result
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}
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}
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}
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macro_rules! str_to_cchar {
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($p1:expr) => {
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{
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let msgkey = CString::new($p1).unwrap();
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let c_msgkey: *mut c_char = msgkey.into_raw();
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c_msgkey
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}
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};
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}
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macro_rules! ostr_to_cchar{
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($p1:expr) => {
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{
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let key = match $p1 {
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Some(val) => {
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CString::new(val).unwrap()
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},
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None => CString::new("").unwrap()
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};
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let c_key: *mut c_char = key.into_raw();
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c_key
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}
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}
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}
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#[repr(C)]
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pub struct CWallet {
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pub msg_key: *mut c_char,
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pub master_key: *mut c_char,
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pub second_key: *mut c_char,
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pub backup_key: *mut c_char,
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}
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#[no_mangle]
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pub unsafe extern "C" fn new_wallet(msg: *const c_char) -> CWallet {
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let str = cchar_to_str!(msg);
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let rust_wallet = wallet_impl::Wallet::new(str);
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convert_to_cwallet(rust_wallet)
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}
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#[no_mangle]
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pub unsafe extern "C" fn reset_wallet(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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) -> CWallet {
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let rust_wallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let rust_wallet2 = rust_wallet.reset_wallet();
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convert_to_cwallet(rust_wallet2)
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}
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#[no_mangle]
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pub unsafe extern "C" fn free_cwallet(cw: CWallet) {
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drop(CString::from_raw(cw.msg_key));
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drop(CString::from_raw(cw.master_key));
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drop(CString::from_raw(cw.second_key));
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drop(CString::from_raw(cw.backup_key));
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}
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#[no_mangle]
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pub unsafe extern "C" fn get_address(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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) -> *mut c_char{
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let address = rwallet.get_address();
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let address_str = format!("{:?}", address);
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let c_address = CString::new(address_str).unwrap();
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c_address.into_raw()
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}
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#[no_mangle]
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pub unsafe extern "C" fn generate_sec_key(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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) -> *mut c_char {
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let s_key = rwallet.generate_sec_key();
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let cs_key = CString::new(s_key).unwrap();
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cs_key.into_raw()
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}
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#[no_mangle]
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pub unsafe extern "C" fn sign(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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msg: *const c_char
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) -> *mut c_char{
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let msg_str = cchar_to_str!(msg);
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let signature = rwallet.sign(msg_str);
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let r = match signature {
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Ok(v) => v,
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Err(err) => panic!("Problem sign: {:?}", err),
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};
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str_to_cchar!(r)
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}
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#[no_mangle]
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pub unsafe extern "C" fn sign_for_tran(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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msg: *const c_char
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) -> *mut c_char{
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let msg_str = cchar_to_str!(msg);
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let signature = rwallet.sign_for_tran(msg_str);
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let (r, recid) = match signature {
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Ok((v, _recid)) => (v, _recid),
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Err(err) => panic!("Problem sign: {:?}", err),
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};
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let result = format!("{}|{}", r, recid);
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str_to_cchar!(result)
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}
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#[no_mangle]
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pub unsafe extern "C" fn rencrypt(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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msg: *const c_char
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) -> *mut c_char{
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let msg_str = cchar_to_str!(msg);
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let msg_encrypt = match rwallet.zencrypt(msg_str){
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Ok(v) => v,
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Err(err) => panic!("error encrypt: {:?}", err),
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};
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str_to_cchar!(msg_encrypt)
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}
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#[no_mangle]
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pub unsafe extern "C" fn rdecrypt(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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msg: *const c_char
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) -> *mut c_char{
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let rwallet = generate_rwallet(msg_key, master_key, second_key, backup_key);
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let msg_str = cchar_to_str!(msg);
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let msg_decrypt = match rwallet.zdecrypt(msg_str){
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Ok(v) => v,
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Err(err) => panic!("error decrypt: {:?}", err),
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};
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str_to_cchar!(msg_decrypt)
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}
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#[no_mangle]
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pub unsafe extern "C" fn str_deflate(content: *const c_char) -> *mut c_char {
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let content_str = cchar_to_str!(content);
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let msg_base64 = hex_to_base64(&content_str);
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str_to_cchar!(msg_base64)
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}
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#[no_mangle]
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pub unsafe extern "C" fn str_inflate(content: *const c_char) -> *mut c_char {
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let content_str = cchar_to_str!(content);
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let msg_hex = base64_to_hex(&content_str);
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str_to_cchar!(msg_hex)
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}
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unsafe fn convert_to_cwallet(rwallet: Wallet) -> CWallet {
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let c_msgkey: *mut c_char = str_to_cchar!(rwallet.msg_key);
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let c_masterkey: *mut c_char = str_to_cchar!(rwallet.master_key);
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let c_secondkey = ostr_to_cchar!(rwallet.second_key);
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let c_backupkey = ostr_to_cchar!(rwallet.backup_key);
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let cw = CWallet {
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msg_key: c_msgkey,
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master_key: c_masterkey,
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second_key: c_secondkey,
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backup_key: c_backupkey,
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};
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cw
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}
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unsafe fn generate_rwallet(
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msg_key: *const c_char,
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master_key: *const c_char,
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second_key: *const c_char,
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backup_key: *const c_char,
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) ->Wallet {
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let pmsg = cchar_to_string!(msg_key);
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let pm = cchar_to_string!(master_key);
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let second_key = cchar_to_ostring!(second_key);
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let backup_key = cchar_to_ostring!(backup_key);
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Wallet {
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msg_key: pmsg,
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master_key: pm,
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second_key: second_key,
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backup_key: backup_key
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}
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}
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