| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| use anyhow::{Context, Result}; |
| use std::sync::atomic::{AtomicBool, Ordering}; |
| use std::sync::Arc; |
| use teaclave_binder::proto::{ECallCommand, StartServiceInput, StartServiceOutput}; |
| use teaclave_binder::TeeBinder; |
| use teaclave_config::RuntimeConfig; |
| use teaclave_types::TeeServiceResult; |
| |
| const PACKAGE_NAME: &str = env!("CARGO_PKG_NAME"); |
| |
| pub use teaclave_file_agent::ocall_handle_file_request; |
| |
| fn register_signals(term: Arc<AtomicBool>) -> Result<()> { |
| for signal in &[ |
| signal_hook::SIGTERM, |
| signal_hook::SIGINT, |
| signal_hook::SIGHUP, |
| ] { |
| let term_ref = term.clone(); |
| let thread = std::thread::current(); |
| unsafe { |
| signal_hook::register(*signal, move || { |
| term_ref.store(true, Ordering::Relaxed); |
| thread.unpark(); |
| })?; |
| } |
| } |
| |
| Ok(()) |
| } |
| |
| fn start_enclave_service(tee: Arc<TeeBinder>, config: RuntimeConfig) { |
| let input = StartServiceInput::new(config); |
| let command = ECallCommand::StartService; |
| match tee.invoke::<StartServiceInput, TeeServiceResult<StartServiceOutput>>(command, input) { |
| Err(e) => { |
| eprintln!("TEE invocation error: {:?}", e); |
| } |
| Ok(Err(e)) => { |
| eprintln!("Service exit with error: {:?}", e); |
| } |
| _ => { |
| println!("Service successfully exit"); |
| } |
| } |
| |
| unsafe { libc::raise(signal_hook::SIGTERM) }; |
| } |
| |
| fn main() -> Result<()> { |
| env_logger::init(); |
| |
| let tee = Arc::new(TeeBinder::new(PACKAGE_NAME).context("Failed to new the enclave.")?); |
| let config = teaclave_config::RuntimeConfig::from_toml("runtime.config.toml") |
| .context("Failed to load config file.")?; |
| |
| let tee_ref = tee.clone(); |
| std::thread::spawn(move || { |
| start_enclave_service(tee_ref, config); |
| }); |
| |
| let term = Arc::new(AtomicBool::new(false)); |
| register_signals(term.clone()).context("Failed to register signal handler")?; |
| |
| while !term.load(Ordering::Relaxed) { |
| std::thread::park(); |
| } |
| |
| tee.finalize(); |
| |
| Ok(()) |
| } |