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This change adds a Rust version of the Oak Loader. Fixes #723
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| [package] | ||
| name = "oak_loader" | ||
| version = "0.1.0" | ||
| authors = ["Ivan Petrov <[email protected]>"] | ||
| edition = "2018" | ||
| license = "Apache-2.0" | ||
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| [dependencies] | ||
| env_logger = "*" | ||
| log = "*" | ||
| oak_runtime = "=0.1.0" | ||
| prost = "*" | ||
| structopt = "*" |
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| // | ||
| // Copyright 2020 The Project Oak Authors | ||
| // | ||
| // Licensed 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. | ||
| // | ||
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| //! An utility binary to run Oak Runtime. | ||
| //! | ||
| //! To invoke, run the following command from the root of the repository: | ||
| //! | ||
| //! ``` | ||
| //! cargo run --package=oak_loader -- --application=<APP_CONFIG_PATH> | ||
| //! ``` | ||
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| use log::info; | ||
| use oak_runtime::{configure_and_run, proto::ApplicationConfiguration}; | ||
| use prost::Message; | ||
| use std::{fs::File, io::Read, thread::park}; | ||
| use structopt::StructOpt; | ||
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| #[derive(StructOpt, Clone)] | ||
| #[structopt(about = "Oak Loader")] | ||
| pub struct Opt { | ||
| #[structopt(long, help = "Application configuration file")] | ||
| application: String, | ||
| // TODO(#806): Make arguments non-optional once TLS support is enabled. | ||
| #[structopt(long, help = "Path to the PEM-encoded CA root certificate")] | ||
| ca_cert: Option<String>, | ||
| #[structopt(long, help = "Path to the private key")] | ||
| private_key: Option<String>, | ||
| #[structopt(long, help = "Path to the PEM-encoded certificate chain")] | ||
| cert_chain: Option<String>, | ||
| } | ||
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| fn read_file(filename: &str) -> Result<Vec<u8>, Box<dyn std::error::Error>> { | ||
| let mut file = File::open(filename) | ||
| .map_err(|error| format!("Failed to open file <{}>: {:?}", filename, error))?; | ||
| let mut buffer = Vec::new(); | ||
| file.read_to_end(&mut buffer) | ||
| .map_err(|error| format!("Failed to read file <{}>: {:?}", filename, error))?; | ||
| Ok(buffer) | ||
| } | ||
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| fn main() -> Result<(), Box<dyn std::error::Error>> { | ||
| env_logger::init(); | ||
| info!("Loading Oak Runtime"); | ||
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| let opt = Opt::from_args(); | ||
| let app_config = { | ||
| let buffer = read_file(&opt.application)?; | ||
| ApplicationConfiguration::decode(&buffer[..]) | ||
| .map_err(|error| format!("Failed to decode application configuration: {:?}", error))? | ||
| }; | ||
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| // Spawns a new thread corresponding to an initial Wasm Oak node. | ||
| configure_and_run(app_config).map_err(|error| format!("Runtime error: {:?}", error))?; | ||
| // Park current thread. | ||
| park(); | ||
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| Ok(()) | ||
| } |
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