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| </pre><pre class="rust"><code><span class="comment">// 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. |
| |
| </span><span class="kw">use </span>teaclave_executor_context::context::reset_thread_context; |
| <span class="kw">use </span>teaclave_executor_context::context::set_thread_context; |
| <span class="kw">use </span>teaclave_executor_context::context::Context; |
| |
| <span class="kw">use </span>std::ffi::CString; |
| |
| <span class="kw">use </span>teaclave_types::{FunctionArguments, FunctionRuntime, TeaclaveExecutor}; |
| |
| <span class="kw">const </span>MAXPYBUFLEN: usize = <span class="number">20480</span>; |
| <span class="kw">const </span>MESAPY_ERROR_BUFFER_TOO_SHORT: i64 = -<span class="number">1i64</span>; |
| <span class="kw">const </span>MESAPY_EXEC_ERROR: i64 = -<span class="number">2i64</span>; |
| |
| <span class="kw">extern </span><span class="string">"C" </span>{ |
| <span class="kw">fn </span>mesapy_exec( |
| input: <span class="kw-2">*const </span>u8, |
| argc: usize, |
| argv: <span class="kw-2">*const *const </span>sgx_types::types::c_char, |
| output: <span class="kw-2">*mut </span>u8, |
| buflen: u64, |
| ) -> i64; |
| } |
| |
| <span class="attribute">#[derive(Default)] |
| </span><span class="kw">pub struct </span>MesaPy; |
| |
| <span class="kw">impl </span>TeaclaveExecutor <span class="kw">for </span>MesaPy { |
| <span class="kw">fn </span>execute( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| _name: String, |
| arguments: FunctionArguments, |
| <span class="kw-2">mut </span>payload: Vec<u8>, |
| runtime: FunctionRuntime, |
| ) -> anyhow::Result<String> { |
| <span class="kw">let </span>py_argv = arguments.into_vec(); |
| <span class="kw">let </span>cstr_argv: Vec<<span class="kw">_</span>> = py_argv |
| .iter() |
| .map(|arg| CString::new(arg.as_str()).unwrap()) |
| .collect(); |
| |
| payload.push(<span class="number">0u8</span>); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>p_argv: Vec<<span class="kw">_</span>> = cstr_argv |
| .iter() <span class="comment">// do NOT into_iter() |
| </span>.map(|arg| arg.as_ptr()) |
| .collect(); |
| |
| p_argv.push(std::ptr::null()); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>py_result = [<span class="number">0u8</span>; MAXPYBUFLEN]; |
| |
| set_thread_context(Context::new(runtime))<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>result = <span class="kw">unsafe </span>{ |
| mesapy_exec( |
| payload.as_ptr(), |
| p_argv.len() - <span class="number">1</span>, |
| p_argv.as_ptr(), |
| <span class="kw-2">&mut </span>py_result <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_ as </span><span class="kw-2">*mut </span>u8, |
| MAXPYBUFLEN <span class="kw">as </span>u64, |
| ) |
| }; |
| |
| reset_thread_context()<span class="question-mark">?</span>; |
| <span class="kw">match </span>result { |
| MESAPY_ERROR_BUFFER_TOO_SHORT => <span class="prelude-val">Ok</span>(<span class="string">"MESAPY_ERROR_BUFFER_TOO_SHORT"</span>.to_string()), |
| MESAPY_EXEC_ERROR => <span class="prelude-val">Ok</span>(<span class="string">"MESAPY_EXEC_ERROR"</span>.to_string()), |
| len => { |
| <span class="kw">let </span>r: Vec<u8> = py_result.iter().take(len <span class="kw">as </span>usize).copied().collect(); |
| <span class="kw">let </span>payload = String::from_utf8(r)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(payload) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"enclave_unit_test"</span>)] |
| </span><span class="kw">pub mod </span>tests { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_crypto::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_runtime::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_test_utils::<span class="kw-2">*</span>; |
| <span class="kw">use </span>teaclave_types::<span class="kw-2">*</span>; |
| |
| <span class="kw">pub fn </span>run_tests() -> bool { |
| <span class="macro">run_tests!</span>(test_mesapy,) |
| } |
| |
| <span class="kw">fn </span>test_mesapy() { |
| <span class="kw">let </span>py_args = FunctionArguments::default(); |
| <span class="kw">let </span>py_payload = <span class="string">r#" |
| def entrypoint(argv): |
| in_file_id = "in_f1" |
| out_file_id = "out_f1" |
| |
| # open input via built-in teaclave_open |
| with teaclave_open(in_file_id, "rb") as f: |
| line = f.readline() |
| assert line == "Hello\n" |
| |
| # open input via teaclave module |
| from teaclave import open |
| with open(in_file_id, "rb") as f: |
| line = f.readline() |
| assert line == "Hello\n" |
| |
| # open invalid input |
| try: |
| teaclave_open("invalid_key", "rb") |
| except RuntimeError as e: |
| assert e.message == "fileio_init: teaclave_ffi_error" |
| |
| # open invalid option |
| try: |
| teaclave_open(in_file_id, "r") |
| except RuntimeError as e: |
| assert e.message == "Teaclave Not Supported" |
| |
| # write valid output |
| with teaclave_open(out_file_id, "wb") as f: |
| f.write("This message is from Mesapy!") |
| |
| # open invalid output |
| try: |
| teaclave_open("invalid_key", "wb") |
| except RuntimeError as e: |
| assert e.message == "fileio_init: teaclave_ffi_error" |
| |
| # open invalid option |
| try: |
| teaclave_open(out_file_id, "w") |
| except RuntimeError as e: |
| assert e.message == "Teaclave Not Supported" |
| |
| return |
| "#</span>; |
| |
| <span class="kw">let </span>input = <span class="string">"fixtures/functions/mesapy/input.txt"</span>; |
| <span class="kw">let </span>output = <span class="string">"fixtures/functions/mesapy/output.txt"</span>; |
| |
| <span class="kw">let </span>input_info = |
| StagedFileInfo::new(input, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| <span class="kw">let </span>output_info = |
| StagedFileInfo::new(output, TeaclaveFile128Key::random(), FileAuthTag::mock()); |
| |
| <span class="kw">let </span>input_files = StagedFiles::new(<span class="macro">hashmap!</span>(<span class="string">"in_f1" </span>=> input_info)); |
| <span class="kw">let </span>output_files = StagedFiles::new(<span class="macro">hashmap!</span>(<span class="string">"out_f1" </span>=> output_info)); |
| |
| <span class="kw">let </span>runtime = Box::new(RawIoRuntime::new(input_files, output_files)); |
| |
| <span class="kw">let </span>function = MesaPy::default(); |
| <span class="kw">let </span>summary = function |
| .execute( |
| <span class="string">""</span>.to_string(), |
| py_args, |
| py_payload.as_bytes().to_vec(), |
| runtime, |
| ) |
| .unwrap(); |
| <span class="macro">assert_eq!</span>(summary, <span class="string">""</span>); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_executor" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
