| <!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 `services/access_control/enclave/src/acs.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>acs.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="../../teaclave_access_control_service_enclave/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="../../teaclave_access_control_service_enclave/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>anyhow::{anyhow, <span class="prelude-ty">Result</span>}; |
| <span class="kw">use </span>std::collections::HashSet; |
| <span class="kw">use </span>std::ffi::CString; |
| <span class="kw">use </span>std::os::raw::c_char; |
| <span class="kw">use </span>std::sync::{Arc, Mutex}; |
| |
| <span class="kw">const </span>MODEL_TEXT: <span class="kw-2">&</span>str = <span class="macro">include_str!</span>(<span class="string">"../../model.conf"</span>); |
| <span class="kw">extern </span><span class="string">"C" </span>{ |
| <span class="kw">fn </span>acs_setup_model(model_text: <span class="kw-2">*const </span>c_char) -> i32; |
| <span class="kw">fn </span>acs_enforce_request(request_type: <span class="kw-2">*const </span>c_char, request_content: <span class="kw-2">*const </span>c_char) -> i32; |
| } |
| <span class="attribute">#[cfg(test_mode)] |
| </span><span class="kw">extern </span><span class="string">"C" </span>{ |
| <span class="kw">fn </span>acs_announce_fact(fact_type: <span class="kw-2">*const </span>c_char, fact_vals: <span class="kw-2">*const </span>c_char) -> i32; |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">enum </span>EnforceRequest { |
| <span class="comment">// user_access_data = usr, data |
| </span>UserAccessData(String, String), |
| <span class="comment">// user_access_function = usr, function |
| </span>UserAccessFunction(String, String), |
| <span class="comment">// user_access_task= usr, task |
| </span>UserAccessTask(String, String), |
| <span class="comment">// task_access_function = task, function |
| </span>TaskAccessFunction(String, String), |
| <span class="comment">// task_access_data = task, data |
| </span>TaskAccessData(String, String), |
| } |
| |
| <span class="attribute">#[cfg(test_mode)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">enum </span>AccessControlTerms { |
| <span class="comment">// data_owner = data, usr |
| </span>DataOwner(String, String), |
| <span class="comment">// function_owner = functoin, usr |
| </span>FunctionOwner(String, String), |
| <span class="comment">// is_public_function = function |
| </span>IsPublicFunction(String), |
| <span class="comment">// task_participant = task, usr |
| </span>TaskParticipant(String, String), |
| } |
| |
| <span class="kw">pub trait </span>PyMarshallable { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String); |
| } |
| |
| <span class="kw">impl</span><T> PyMarshallable <span class="kw">for </span>(T,) |
| <span class="kw">where |
| </span>T: PyMarshallable, |
| { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'['</span>); |
| <span class="self">self</span>.<span class="number">0</span>.marshal(buffer); |
| buffer.push(<span class="string">']'</span>); |
| } |
| } |
| |
| <span class="kw">impl</span><U, V> PyMarshallable <span class="kw">for </span>(U, V) |
| <span class="kw">where |
| </span>U: PyMarshallable, |
| V: PyMarshallable, |
| { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'['</span>); |
| <span class="self">self</span>.<span class="number">0</span>.marshal(buffer); |
| buffer.push(<span class="string">','</span>); |
| <span class="self">self</span>.<span class="number">1</span>.marshal(buffer); |
| buffer.push(<span class="string">']'</span>); |
| } |
| } |
| |
| <span class="kw">impl</span><X, Y, Z> PyMarshallable <span class="kw">for </span>(X, Y, Z) |
| <span class="kw">where |
| </span>X: PyMarshallable, |
| Y: PyMarshallable, |
| Z: PyMarshallable, |
| { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'['</span>); |
| <span class="self">self</span>.<span class="number">0</span>.marshal(buffer); |
| buffer.push(<span class="string">','</span>); |
| <span class="self">self</span>.<span class="number">1</span>.marshal(buffer); |
| buffer.push(<span class="string">','</span>); |
| <span class="self">self</span>.<span class="number">2</span>.marshal(buffer); |
| buffer.push(<span class="string">']'</span>); |
| } |
| } |
| |
| <span class="kw">impl</span><T> PyMarshallable <span class="kw">for </span>[T] |
| <span class="kw">where |
| </span>T: PyMarshallable, |
| { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'['</span>); |
| <span class="kw">for </span>t <span class="kw">in </span><span class="self">self </span>{ |
| t.marshal(buffer); |
| buffer.push(<span class="string">','</span>); |
| } |
| buffer.push(<span class="string">']'</span>); |
| } |
| } |
| |
| <span class="kw">impl</span><T: PyMarshallable> PyMarshallable <span class="kw">for </span><span class="kw-2">&</span>HashSet<T> { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push_str(<span class="string">"set(["</span>); |
| <span class="kw">for </span>t <span class="kw">in </span><span class="kw-2">*</span><span class="self">self </span>{ |
| t.marshal(buffer); |
| buffer.push(<span class="string">','</span>); |
| } |
| buffer.push_str(<span class="string">"])"</span>); |
| } |
| } |
| |
| <span class="kw">impl </span>PyMarshallable <span class="kw">for </span>String { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'\''</span>); |
| buffer.push_str(<span class="self">self</span>); |
| buffer.push(<span class="string">'\''</span>); |
| } |
| } |
| |
| <span class="kw">impl </span>PyMarshallable <span class="kw">for </span><span class="kw-2">&</span>String { |
| <span class="kw">fn </span>marshal(<span class="kw-2">&</span><span class="self">self</span>, buffer: <span class="kw-2">&mut </span>String) { |
| buffer.push(<span class="string">'\''</span>); |
| buffer.push_str(<span class="self">self</span>); |
| buffer.push(<span class="string">'\''</span>); |
| } |
| } |
| |
| <span class="attribute">#[cfg(test_mode)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>init_mock_data() -> <span class="prelude-ty">Result</span><()> { |
| <span class="comment">// mock data for AuthorizeData |
| </span><span class="kw">let </span>term = AccessControlTerms::DataOwner(<span class="string">"mock_data"</span>.to_string(), <span class="string">"mock_user_a"</span>.to_string()); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner(<span class="string">"mock_data"</span>.to_string(), <span class="string">"mock_user_b"</span>.to_string()); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner(<span class="string">"mock_data"</span>.to_string(), <span class="string">"mock_user_c"</span>.to_string()); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="comment">// mock data for AuthorizeFunction |
| </span><span class="kw">let </span>term = AccessControlTerms::FunctionOwner( |
| <span class="string">"mock_private_function"</span>.to_string(), |
| <span class="string">"mock_private_function_owner"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::FunctionOwner( |
| <span class="string">"mock_public_function"</span>.to_string(), |
| <span class="string">"mock_public_function_owner"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::IsPublicFunction(<span class="string">"mock_public_function"</span>.to_string()); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="comment">// mock data for AuthorizeTask |
| </span><span class="kw">let </span>term = AccessControlTerms::TaskParticipant( |
| <span class="string">"mock_task"</span>.to_string(), |
| <span class="string">"mock_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::TaskParticipant( |
| <span class="string">"mock_task"</span>.to_string(), |
| <span class="string">"mock_participant_b"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="comment">// mock data for AuthorizeStagedTask |
| </span><span class="kw">let </span>term = AccessControlTerms::TaskParticipant( |
| <span class="string">"mock_staged_task"</span>.to_string(), |
| <span class="string">"mock_staged_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::TaskParticipant( |
| <span class="string">"mock_staged_task"</span>.to_string(), |
| <span class="string">"mock_staged_participant_b"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::FunctionOwner( |
| <span class="string">"mock_staged_allowed_private_function"</span>.to_string(), |
| <span class="string">"mock_staged_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::FunctionOwner( |
| <span class="string">"mock_staged_disallowed_private_function"</span>.to_string(), |
| <span class="string">"mock_staged_non_participant"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::IsPublicFunction(<span class="string">"mock_staged_public_function"</span>.to_string()); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_allowed_data1"</span>.to_string(), |
| <span class="string">"mock_staged_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_allowed_data2"</span>.to_string(), |
| <span class="string">"mock_staged_participant_b"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_allowed_data3"</span>.to_string(), |
| <span class="string">"mock_staged_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_allowed_data3"</span>.to_string(), |
| <span class="string">"mock_staged_participant_b"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_disallowed_data1"</span>.to_string(), |
| <span class="string">"mock_staged_non_participant"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_disallowed_data2"</span>.to_string(), |
| <span class="string">"mock_staged_participant_a"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| <span class="kw">let </span>term = AccessControlTerms::DataOwner( |
| <span class="string">"mock_staged_disallowed_data2"</span>.to_string(), |
| <span class="string">"mock_staged_non_participant"</span>.to_string(), |
| ); |
| announce_fact(term)<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(()) |
| } |
| |
| <span class="attribute">#[derive(Clone)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>AccessControlModule { |
| lock: Arc<Mutex<u32>>, |
| } |
| |
| <span class="kw">impl </span>AccessControlModule { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new() -> <span class="self">Self </span>{ |
| AccessControlModule { |
| lock: Arc::new(Mutex::new(<span class="number">0</span>)), |
| } |
| } |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>enforce_request(<span class="kw-2">&</span><span class="self">self</span>, request: EnforceRequest) -> <span class="prelude-ty">Result</span><bool> { |
| <span class="kw">let </span>(request_type, request_content) = <span class="kw">match </span>request { |
| EnforceRequest::UserAccessData(usr, data) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (usr, data).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"user_access_data"</span>, buffer) |
| } |
| EnforceRequest::UserAccessFunction(usr, function) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (usr, function).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"user_access_function"</span>, buffer) |
| } |
| EnforceRequest::UserAccessTask(usr, task) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (usr, task).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"user_access_task"</span>, buffer) |
| } |
| EnforceRequest::TaskAccessFunction(task, function) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (task, function).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"task_access_function"</span>, buffer) |
| } |
| EnforceRequest::TaskAccessData(task, data) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (task, data).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"task_access_data"</span>, buffer) |
| } |
| }; |
| |
| <span class="kw">let </span>c_request_type = CString::new(request_type.to_string())<span class="question-mark">?</span>; |
| <span class="kw">let </span>c_request_content = CString::new(request_content)<span class="question-mark">?</span>; |
| <span class="kw">let </span>_lock = <span class="self">self |
| </span>.lock |
| .lock() |
| .map_err(|<span class="kw">_</span>| <span class="macro">anyhow!</span>(<span class="string">"failed to accquire lock"</span>))<span class="question-mark">?</span>; |
| <span class="kw">let </span>py_ret = |
| <span class="kw">unsafe </span>{ acs_enforce_request(c_request_type.as_ptr(), c_request_content.as_ptr()) }; |
| |
| <span class="kw">match </span>py_ret { |
| <span class="number">0 </span>=> <span class="prelude-val">Ok</span>(<span class="bool-val">false</span>), |
| <span class="number">1 </span>=> <span class="prelude-val">Ok</span>(<span class="bool-val">true</span>), |
| <span class="kw">_ </span>=> <span class="prelude-val">Err</span>(<span class="macro">anyhow!</span>(<span class="string">"mesapy error"</span>)), |
| } |
| } |
| } |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>init_acs() -> <span class="prelude-ty">Result</span><()> { |
| <span class="kw">let </span>model_conf = CString::new(MODEL_TEXT).unwrap(); |
| <span class="kw">let </span>ec = <span class="kw">unsafe </span>{ acs_setup_model(model_conf.as_ptr()) }; |
| |
| <span class="kw">if </span>ec != <span class="number">0 </span>{ |
| <span class="prelude-val">Err</span>(<span class="macro">anyhow!</span>(<span class="string">"failed to init mesapy"</span>)) |
| } <span class="kw">else </span>{ |
| <span class="attribute">#[cfg(test_mode)] |
| </span>init_mock_data()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="attribute">#[cfg(test_mode)] |
| </span><span class="kw">fn </span>announce_fact(term: AccessControlTerms) -> <span class="prelude-ty">Result</span><()> { |
| <span class="kw">let </span>(term_type, term_fact) = <span class="kw">match </span>term { |
| AccessControlTerms::DataOwner(data, usr) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (data, usr).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"data_owner"</span>, buffer) |
| } |
| AccessControlTerms::FunctionOwner(function, usr) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (function, usr).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"function_owner"</span>, buffer) |
| } |
| AccessControlTerms::IsPublicFunction(function) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (function,).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"is_public_function"</span>, buffer) |
| } |
| AccessControlTerms::TaskParticipant(task, usr) => { |
| <span class="kw">let </span><span class="kw-2">mut </span>buffer = String::new(); |
| (task, usr).marshal(<span class="kw-2">&mut </span>buffer); |
| (<span class="string">"task_participant"</span>, buffer) |
| } |
| }; |
| <span class="kw">let </span>c_term_type = CString::new(term_type.to_string())<span class="question-mark">?</span>; |
| <span class="kw">let </span>c_term_fact = CString::new(term_fact)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>py_ret = <span class="kw">unsafe </span>{ acs_announce_fact(c_term_type.as_ptr(), c_term_fact.as_ptr()) }; |
| |
| <span class="kw">if </span>py_ret != <span class="number">0 </span>{ |
| <span class="prelude-val">Err</span>(<span class="macro">anyhow!</span>(<span class="string">"mesapy error"</span>)) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_access_control_service_enclave" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
