| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/sunhe/incubator-teaclave/third_party/rust-sgx-sdk/sgx_urts/src/capi.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>capi.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../sgx_urts/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../sgx_urts/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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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><span class="kw">crate</span>::enclave::{ExtFeatureBits, ExtFeatures, SgxEnclave}; |
| <span class="kw">use </span><span class="kw">crate</span>::enclave::{KSS_BIT_IDX, LAST_BIT_IDX, SWITCHLESS_BIT_IDX}; |
| <span class="kw">use </span>sgx_types::error::SgxStatus; |
| <span class="kw">use </span>sgx_types::function::<span class="kw-2">*</span>; |
| <span class="kw">use </span>sgx_types::metadata::MetaData; |
| <span class="kw">use </span>sgx_types::types::{c_char, c_void}; |
| <span class="kw">use </span>sgx_types::types::{ |
| EnclaveId, KssConfig, MiscAttribute, SwitchlessConfig, TargetInfo, MAX_EXT_FEATURES_COUNT, |
| }; |
| <span class="kw">use </span>std::ffi::CStr; |
| <span class="kw">use </span>std::mem::ManuallyDrop; |
| <span class="kw">use </span>std::slice; |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_create_enclave( |
| path: <span class="kw-2">*const </span>c_char, |
| debug: i32, |
| eid: <span class="kw-2">*mut </span>EnclaveId, |
| misc_attr: <span class="kw-2">*mut </span>MiscAttribute, |
| ) -> SgxStatus { |
| <span class="kw">if </span>path.is_null() || eid.is_null() { |
| <span class="kw">return </span>SgxStatus::InvalidParameter; |
| } |
| |
| <span class="kw">let </span>debug = <span class="kw">match </span>debug { |
| <span class="number">1 </span>=> <span class="bool-val">true</span>, |
| <span class="number">0 </span>=> <span class="bool-val">false</span>, |
| <span class="kw">_ </span>=> <span class="kw">return </span>SgxStatus::InvalidParameter, |
| }; |
| |
| <span class="kw">let </span>path = <span class="kw">match </span>CStr::from_ptr(path).to_str() { |
| <span class="prelude-val">Ok</span>(p) => p, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">return </span>SgxStatus::InvalidParameter, |
| }; |
| |
| <span class="kw">let </span>enclave = <span class="kw">match </span>SgxEnclave::create(path, debug) { |
| <span class="prelude-val">Ok</span>(enclave) => ManuallyDrop::new(enclave), |
| <span class="prelude-val">Err</span>(e) => <span class="kw">return </span>e, |
| }; |
| |
| <span class="kw-2">*</span>eid = enclave.eid(); |
| <span class="kw">if </span>!misc_attr.is_null() { |
| <span class="kw-2">*</span>misc_attr = enclave.misc_attr().unwrap(); |
| } |
| |
| SgxStatus::Success |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_create_enclave_ex( |
| path: <span class="kw-2">*const </span>c_char, |
| debug: i32, |
| eid: <span class="kw-2">*mut </span>EnclaveId, |
| misc_attr: <span class="kw-2">*mut </span>MiscAttribute, |
| ext_features_bits: u32, |
| ext_features: <span class="kw-2">*const </span>[<span class="kw-2">*const </span>c_void; MAX_EXT_FEATURES_COUNT], |
| ) -> SgxStatus { |
| <span class="kw">if </span>path.is_null() || eid.is_null() { |
| <span class="kw">return </span>SgxStatus::InvalidParameter; |
| } |
| |
| <span class="kw">let </span>debug = <span class="kw">match </span>debug { |
| <span class="number">1 </span>=> <span class="bool-val">true</span>, |
| <span class="number">0 </span>=> <span class="bool-val">false</span>, |
| <span class="kw">_ </span>=> <span class="kw">return </span>SgxStatus::InvalidParameter, |
| }; |
| |
| <span class="kw">let </span>path = <span class="kw">match </span>CStr::from_ptr(path).to_str() { |
| <span class="prelude-val">Ok</span>(p) => p, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">return </span>SgxStatus::InvalidParameter, |
| }; |
| |
| <span class="kw">if </span>!check_ext_features(ext_features_bits, ext_features) { |
| <span class="kw">return </span>SgxStatus::InvalidParameter; |
| } |
| |
| <span class="kw">let </span>features_bits = ExtFeatureBits::from_bits_truncate(ext_features_bits); |
| <span class="kw">let </span>ext_features = <span class="kw-2">&*</span>ext_features; |
| <span class="kw">let </span><span class="kw-2">mut </span>features = ExtFeatures::new(); |
| |
| <span class="kw">if </span>features_bits.contains(ExtFeatureBits::KSS) { |
| <span class="kw">let </span>kss = ext_features[KSS_BIT_IDX] <span class="kw">as </span><span class="kw-2">*const </span>KssConfig; |
| features.set_kss(<span class="kw-2">*</span>kss); |
| } |
| <span class="kw">if </span>features_bits.contains(ExtFeatureBits::SWITCHLESS) { |
| <span class="kw">let </span>switchless = ext_features[SWITCHLESS_BIT_IDX] <span class="kw">as </span><span class="kw-2">*const </span>SwitchlessConfig; |
| features.set_switchless(<span class="kw-2">*</span>switchless); |
| } |
| |
| <span class="kw">let </span>enclave = <span class="kw">match </span>SgxEnclave::create_with_features(path, debug, features) { |
| <span class="prelude-val">Ok</span>(enclave) => ManuallyDrop::new(enclave), |
| <span class="prelude-val">Err</span>(e) => <span class="kw">return </span>e, |
| }; |
| |
| <span class="kw-2">*</span>eid = enclave.eid(); |
| <span class="kw">if </span>!misc_attr.is_null() { |
| <span class="kw-2">*</span>misc_attr = enclave.misc_attr().unwrap(); |
| } |
| |
| SgxStatus::Success |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_create_enclave_from_buffer_ex( |
| buffer: <span class="kw-2">*const </span>u8, |
| size: usize, |
| debug: i32, |
| eid: <span class="kw-2">*mut </span>EnclaveId, |
| misc_attr: <span class="kw-2">*mut </span>MiscAttribute, |
| ext_features_bits: u32, |
| ext_features: <span class="kw-2">*const </span>[<span class="kw-2">*const </span>c_void; MAX_EXT_FEATURES_COUNT], |
| ) -> SgxStatus { |
| <span class="kw">if </span>buffer.is_null() || size == <span class="number">0 </span>|| eid.is_null() { |
| <span class="kw">return </span>SgxStatus::InvalidParameter; |
| } |
| |
| <span class="kw">let </span>debug = <span class="kw">match </span>debug { |
| <span class="number">1 </span>=> <span class="bool-val">true</span>, |
| <span class="number">0 </span>=> <span class="bool-val">false</span>, |
| <span class="kw">_ </span>=> <span class="kw">return </span>SgxStatus::InvalidParameter, |
| }; |
| |
| <span class="kw">let </span>buffer = slice::from_raw_parts(buffer, size); |
| |
| <span class="kw">if </span>!check_ext_features(ext_features_bits, ext_features) { |
| <span class="kw">return </span>SgxStatus::InvalidParameter; |
| } |
| |
| <span class="kw">let </span>features_bits = ExtFeatureBits::from_bits_truncate(ext_features_bits); |
| <span class="kw">let </span>ext_features = <span class="kw-2">&*</span>ext_features; |
| <span class="kw">let </span><span class="kw-2">mut </span>features = ExtFeatures::new(); |
| |
| <span class="kw">if </span>features_bits.contains(ExtFeatureBits::KSS) { |
| <span class="kw">let </span>kss = ext_features[KSS_BIT_IDX] <span class="kw">as </span><span class="kw-2">*const </span>KssConfig; |
| features.set_kss(<span class="kw-2">*</span>kss); |
| } |
| <span class="kw">if </span>features_bits.contains(ExtFeatureBits::SWITCHLESS) { |
| <span class="kw">let </span>switchless = ext_features[SWITCHLESS_BIT_IDX] <span class="kw">as </span><span class="kw-2">*const </span>SwitchlessConfig; |
| features.set_switchless(<span class="kw-2">*</span>switchless); |
| } |
| |
| <span class="kw">let </span>enclave = <span class="kw">match </span>SgxEnclave::create_from_buffer(buffer, debug, features) { |
| <span class="prelude-val">Ok</span>(enclave) => ManuallyDrop::new(enclave), |
| <span class="prelude-val">Err</span>(e) => <span class="kw">return </span>e, |
| }; |
| |
| <span class="kw-2">*</span>eid = enclave.eid(); |
| <span class="kw">if </span>!misc_attr.is_null() { |
| <span class="kw-2">*</span>misc_attr = enclave.misc_attr().unwrap(); |
| } |
| |
| SgxStatus::Success |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_destroy_enclave(eid: EnclaveId) -> SgxStatus { |
| <span class="kw">let </span><span class="kw-2">mut </span>enclave = ManuallyDrop::new(SgxEnclave::from_eid(eid)); |
| <span class="kw">let _ </span>= enclave.exit(); |
| |
| <span class="kw">match </span>enclave.destroy() { |
| <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => SgxStatus::Success, |
| <span class="prelude-val">Err</span>(e) => e, |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| #[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_get_target_info( |
| eid: EnclaveId, |
| target_info: <span class="kw-2">*mut </span>TargetInfo, |
| ) -> SgxStatus { |
| sgx_get_target_info(eid, target_info) |
| } |
| |
| <span class="attribute">#[inline] |
| #[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_get_metadata( |
| path: <span class="kw-2">*const </span>c_char, |
| metadata: <span class="kw-2">*mut </span>MetaData, |
| ) -> SgxStatus { |
| sgx_get_metadata(path, metadata) |
| } |
| |
| <span class="attribute">#[inline] |
| #[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>rsgx_get_enclave_mode() -> i32 { |
| SgxEnclave::mode() <span class="kw">as </span>i32 |
| } |
| |
| <span class="kw">unsafe fn </span>check_ext_features( |
| ext_features_bits: u32, |
| ext_features: <span class="kw-2">*const </span>[<span class="kw-2">*const </span>c_void; MAX_EXT_FEATURES_COUNT], |
| ) -> bool { |
| <span class="kw">if </span>ext_features_bits != <span class="number">0 </span>&& ext_features.is_null() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| |
| <span class="kw">if </span>!ext_features.is_null() { |
| <span class="kw">let </span>ext_features = <span class="kw-2">&*</span>ext_features; |
| <span class="kw">for </span>(i, feature) <span class="kw">in </span>ext_features.iter().enumerate().take(LAST_BIT_IDX + <span class="number">1</span>) { |
| <span class="kw">if </span>(ext_features_bits & (<span class="number">1 </span><< i)) == <span class="number">0 </span>&& !feature.is_null() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| <span class="kw">if </span>(ext_features_bits & (<span class="number">1 </span><< i)) != <span class="number">0 </span>&& feature.is_null() { |
| <span class="kw">return </span><span class="bool-val">false</span>; |
| } |
| } |
| } |
| |
| <span class="bool-val">true |
| </span>} |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="sgx_urts" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
