| <!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 `src/bindings.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>bindings.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_client_sdk/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_client_sdk/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>libc::{c_char, c_int, c_void, malloc, size_t}; |
| |
| <span class="kw">use </span>std::ffi::{CStr, CString}; |
| <span class="kw">use </span>std::{fs, ptr}; |
| |
| <span class="kw">use crate</span>::{ |
| AuthenticationClient, AuthenticationService, EnclaveInfo, Entry, FrontendClient, |
| FrontendService, |
| }; |
| |
| <span class="macro">macro_rules! </span>unwrap_or_return_null { |
| ( <span class="macro-nonterminal">$e</span>:expr ) => { |
| <span class="kw">match </span><span class="macro-nonterminal">$e </span>{ |
| <span class="prelude-val">Ok</span>(x) => x, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">return </span>ptr::null_mut(), |
| } |
| }; |
| } |
| |
| <span class="macro">macro_rules! </span>unwrap_or_return_one { |
| ( <span class="macro-nonterminal">$e</span>:expr ) => { |
| <span class="kw">match </span><span class="macro-nonterminal">$e </span>{ |
| <span class="prelude-val">Ok</span>(x) => x, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="kw">return </span><span class="number">1</span>, |
| } |
| }; |
| } |
| |
| <span class="doccomment">/// Connect to Teaclave Authentication Service. |
| /// |
| /// This function connects and establishes trusted channel to the remote |
| /// authentication service with `address`. The function gets *enclave info* from |
| /// the file located in `enclave_info_path`. The file in `as_root_ca_cert_path` |
| /// will be used to verify the attestation report from the remote service. |
| /// |
| /// # Arguments |
| /// |
| /// * `address`: address of remote services, normally,it's a domain name with port number. |
| /// * `enclave_info_path`: file path of the *enclave info* TOML file. |
| /// * `as_root_ca_cert_path`: file path of the certificate for remote attestation service. |
| /// |
| /// # Return |
| /// |
| /// * The function returns an opaque pointer (handle) of the service. On error, |
| /// the function returns NULL. |
| /// |
| /// # Safety |
| /// |
| /// `address`, `enclave_info_path`, `as_root_ca_cert_path` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_connect_authentication_service( |
| address: <span class="kw-2">*const </span>c_char, |
| enclave_info_path: <span class="kw-2">*const </span>c_char, |
| as_root_ca_cert_path: <span class="kw-2">*const </span>c_char, |
| ) -> <span class="kw-2">*mut </span>AuthenticationClient { |
| <span class="kw">if </span>address.is_null() || enclave_info_path.is_null() || as_root_ca_cert_path.is_null() { |
| <span class="kw">return </span>ptr::null_mut(); |
| } |
| |
| <span class="kw">let </span>address = CStr::from_ptr(address).to_string_lossy().into_owned(); |
| <span class="kw">let </span>enclave_info_path = CStr::from_ptr(enclave_info_path) |
| .to_string_lossy() |
| .into_owned(); |
| <span class="kw">let </span>as_root_ca_cert_path = CStr::from_ptr(as_root_ca_cert_path) |
| .to_string_lossy() |
| .into_owned(); |
| <span class="kw">let </span>enclave_info = <span class="macro">unwrap_or_return_null!</span>(EnclaveInfo::from_file(enclave_info_path)); |
| <span class="kw">let </span>bytes = <span class="macro">unwrap_or_return_null!</span>(fs::read(as_root_ca_cert_path)); |
| <span class="kw">let </span>as_root_ca_cert = <span class="macro">unwrap_or_return_null!</span>(pem::parse(bytes)).contents; |
| <span class="kw">let </span>client = <span class="macro">unwrap_or_return_null!</span>(AuthenticationService::connect( |
| <span class="kw-2">&</span>address, |
| <span class="kw-2">&</span>enclave_info, |
| <span class="kw-2">&</span>as_root_ca_cert |
| )); |
| |
| Box::into_raw(Box::new(client)) |
| } |
| |
| <span class="doccomment">/// Close and free the authentication service handle, i.e., the |
| /// `AuthenticaionClient` type opaque pointer. The function returns 0 for |
| /// success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// This function is unsafe because improper use may lead to |
| /// memory problems. For example, a double-free may occur if the |
| /// function is called twice on the same raw pointer. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_close_authentication_service( |
| client: <span class="kw-2">*mut </span>AuthenticationClient, |
| ) -> c_int { |
| <span class="kw">if </span>client.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let _ </span>= Box::from_raw(client); |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Register a new user with `user_id` and `user_password`. The function returns |
| /// 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `user_id`, `user_password`, `role`, `attribute` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_user_register( |
| client: <span class="kw-2">&mut </span>AuthenticationClient, |
| user_id: <span class="kw-2">*const </span>c_char, |
| user_password: <span class="kw-2">*const </span>c_char, |
| role: <span class="kw-2">*const </span>c_char, |
| attribute: <span class="kw-2">*const </span>c_char, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>AuthenticationClient).is_null() |
| || user_id.is_null() |
| || user_password.is_null() |
| { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>user_id = CStr::from_ptr(user_id).to_string_lossy().into_owned(); |
| <span class="kw">let </span>user_password = CStr::from_ptr(user_password).to_string_lossy().into_owned(); |
| <span class="kw">let </span>role = CStr::from_ptr(role).to_string_lossy().into_owned(); |
| <span class="kw">let </span>attribute = CStr::from_ptr(attribute).to_string_lossy().into_owned(); |
| <span class="macro">unwrap_or_return_one!</span>(client.user_register(<span class="kw-2">&</span>user_id, <span class="kw-2">&</span>user_password, <span class="kw-2">&</span>role, <span class="kw-2">&</span>attribute)); |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Login a new user with `user_id` and `user_password`. The login session token |
| /// will be save in the `token` buffer, and length will be set in the |
| /// `token_len` argument. The function returns 0 for success. On error, the |
| /// function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `user_id`, `user_password` should be C string (null terminated), token and token_len should be consistent. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_user_login( |
| client: <span class="kw-2">&mut </span>AuthenticationClient, |
| user_id: <span class="kw-2">*const </span>c_char, |
| user_password: <span class="kw-2">*const </span>c_char, |
| token: <span class="kw-2">*mut </span>c_char, |
| token_len: <span class="kw-2">*mut </span>size_t, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>AuthenticationClient).is_null() |
| || user_id.is_null() |
| || user_password.is_null() |
| || token.is_null() |
| || token_len.is_null() |
| { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>user_id = CStr::from_ptr(user_id).to_string_lossy().into_owned(); |
| <span class="kw">let </span>user_password = CStr::from_ptr(user_password).to_string_lossy().into_owned(); |
| |
| <span class="kw">let </span>token_string = <span class="macro">unwrap_or_return_one!</span>(client.user_login(<span class="kw-2">&</span>user_id, <span class="kw-2">&</span>user_password)); |
| <span class="kw">let </span>token_c_string = <span class="macro">unwrap_or_return_one!</span>(CString::new(token_string)); |
| <span class="kw">let </span>bytes = token_c_string.as_bytes_with_nul(); |
| |
| <span class="kw">if </span><span class="kw-2">*</span>token_len < bytes.len() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } <span class="kw">else </span>{ |
| ptr::copy_nonoverlapping(bytes.as_ptr(), token <span class="kw">as _</span>, bytes.len()); |
| <span class="kw-2">*</span>token_len = bytes.len(); |
| } |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Connect to Teaclave Frontend Service. |
| /// |
| /// This function connects and establishes trusted channel to the remote |
| /// frontend service with `address`. The function gets *enclave info* from |
| /// the file located in `enclave_info_path`. The file in `as_root_ca_cert_path` |
| /// will be used to verify the attestation report from the remote service. |
| /// |
| /// # Arguments |
| /// |
| /// * `address`: address of remote services, normally,it's a domain name with port number. |
| /// * `enclave_info_path`: file path of the *enclave info* TOML file. |
| /// * `as_root_ca_cert_path`: file path of the certificate for remote attestation service. |
| /// |
| /// # Return |
| /// |
| /// * The function returns an opaque pointer (handle) of the service. On error, |
| /// the function returns NULL. |
| /// |
| /// # Safety |
| /// |
| /// All arguments should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_connect_frontend_service( |
| address: <span class="kw-2">*const </span>c_char, |
| enclave_info_path: <span class="kw-2">*const </span>c_char, |
| as_root_ca_cert_path: <span class="kw-2">*const </span>c_char, |
| ) -> <span class="kw-2">*mut </span>FrontendClient { |
| <span class="kw">if </span>address.is_null() || enclave_info_path.is_null() || as_root_ca_cert_path.is_null() { |
| <span class="kw">return </span>ptr::null_mut(); |
| } |
| |
| <span class="kw">let </span>address = CStr::from_ptr(address).to_string_lossy().into_owned(); |
| <span class="kw">let </span>enclave_info_path = CStr::from_ptr(enclave_info_path) |
| .to_string_lossy() |
| .into_owned(); |
| <span class="kw">let </span>as_root_ca_cert_path = CStr::from_ptr(as_root_ca_cert_path) |
| .to_string_lossy() |
| .into_owned(); |
| <span class="kw">let </span>enclave_info = <span class="macro">unwrap_or_return_null!</span>(EnclaveInfo::from_file(enclave_info_path)); |
| <span class="kw">let </span>bytes = <span class="macro">unwrap_or_return_null!</span>(fs::read(as_root_ca_cert_path)); |
| <span class="kw">let </span>as_root_ca_cert = <span class="macro">unwrap_or_return_null!</span>(pem::parse(bytes)).contents; |
| <span class="kw">let </span>client = <span class="macro">unwrap_or_return_null!</span>(FrontendService::connect( |
| <span class="kw-2">&</span>address, |
| <span class="kw-2">&</span>enclave_info, |
| <span class="kw-2">&</span>as_root_ca_cert |
| )); |
| |
| Box::into_raw(Box::new(client)) |
| } |
| |
| <span class="doccomment">/// Close and free the frontend service handle, i.e., the `FrontendClient` type |
| /// opaque pointer. The function returns 0 for success. On error, the function |
| /// returns 1. |
| /// |
| /// # Safety |
| /// |
| /// This function is unsafe because improper use may lead to |
| /// memory problems. For example, a double-free may occur if the |
| /// function is called twice on the same raw pointer. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_close_frontend_service(client: <span class="kw-2">*mut </span>FrontendClient) -> c_int { |
| <span class="kw">if </span>client.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let _ </span>= Box::from_raw(client); |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Set user's credential with `user_id` and `user_token`. The function returns |
| /// 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `user_id` and `user_token` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_authentication_set_credential( |
| client: <span class="kw-2">&mut </span>AuthenticationClient, |
| user_id: <span class="kw-2">*const </span>c_char, |
| user_token: <span class="kw-2">*const </span>c_char, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>AuthenticationClient).is_null() || user_id.is_null() || user_token.is_null() |
| { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>user_id = CStr::from_ptr(user_id).to_string_lossy().into_owned(); |
| <span class="kw">let </span>user_token = CStr::from_ptr(user_token).to_string_lossy().into_owned(); |
| client.set_credential(<span class="kw-2">&</span>user_id, <span class="kw-2">&</span>user_token); |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Set user's credential with `user_id` and `user_token`. The function returns |
| /// 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `user_id` and `user_token` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_frontend_set_credential( |
| client: <span class="kw-2">&mut </span>FrontendClient, |
| user_id: <span class="kw-2">*const </span>c_char, |
| user_token: <span class="kw-2">*const </span>c_char, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>FrontendClient).is_null() || user_id.is_null() || user_token.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>user_id = CStr::from_ptr(user_id).to_string_lossy().into_owned(); |
| <span class="kw">let </span>user_token = CStr::from_ptr(user_token).to_string_lossy().into_owned(); |
| client.set_credential(<span class="kw-2">&</span>user_id, <span class="kw-2">&</span>user_token); |
| |
| <span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Invoke task with `task_id`. The function returns 0 for success. On error, |
| /// the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `task_id` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_invoke_task( |
| client: <span class="kw-2">&mut </span>FrontendClient, |
| task_id: <span class="kw-2">*const </span>c_char, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>FrontendClient).is_null() || task_id.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>task_id = CStr::from_ptr(task_id).to_string_lossy().into_owned(); |
| <span class="kw">match </span>client.invoke_task(<span class="kw-2">&</span>task_id) { |
| <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => <span class="number">0</span>, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="number">1</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Cancel task with `task_id`. The function returns 0 for success. On error, |
| /// the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// `task_id` should be C string (null terminated). |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_cancel_task( |
| client: <span class="kw-2">&mut </span>FrontendClient, |
| task_id: <span class="kw-2">*const </span>c_char, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>FrontendClient).is_null() || task_id.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>task_id = CStr::from_ptr(task_id).to_string_lossy().into_owned(); |
| <span class="kw">match </span>client.cancel_task(<span class="kw-2">&</span>task_id) { |
| <span class="prelude-val">Ok</span>(<span class="kw">_</span>) => <span class="number">0</span>, |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="number">1</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Get task result of `task_id`. The result will be save in the `task_result` |
| /// buffer, and set corresponding `task_result_len` argument. Note that this is |
| /// a blocking function and wait for the return of the task. The function |
| /// returns 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// Inconsistent length of allocated buffer may caused overflow. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_get_task_result( |
| client: <span class="kw-2">&mut </span>FrontendClient, |
| task_id: <span class="kw-2">*const </span>c_char, |
| task_result: <span class="kw-2">*mut </span>c_char, |
| task_result_len: <span class="kw-2">*mut </span>size_t, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>FrontendClient).is_null() || task_id.is_null() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>task_id = CStr::from_ptr(task_id).to_string_lossy().into_owned(); |
| <span class="kw">match </span>client.get_task_result(<span class="kw-2">&</span>task_id) { |
| <span class="prelude-val">Ok</span>((result, <span class="kw">_</span>)) => { |
| <span class="kw">if </span><span class="kw-2">*</span>task_result_len < result.len() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } <span class="kw">else </span>{ |
| ptr::copy_nonoverlapping(result.as_ptr(), task_result <span class="kw">as _</span>, result.len()); |
| <span class="kw-2">*</span>task_result_len = result.len(); |
| } |
| <span class="number">0 |
| </span>} |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="number">1</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Query audit logs according to `query`. `query` is the query statement for tantivy. The result |
| /// will be saved in the `log_buffer` buffer with the corresponding `log_len` argument set. |
| /// Remember to free the user and message inside c_entry to avoid memory leak. |
| /// |
| /// The function returns 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// Inconsistent length of allocated buffer may caused overflow. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>teaclave_query_audit_logs( |
| client: <span class="kw-2">&mut </span>FrontendClient, |
| query: <span class="kw-2">*const </span>c_char, |
| log_buffer: <span class="kw-2">*mut </span>c_entry, |
| log_len: <span class="kw-2">*mut </span>size_t, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span>FrontendClient).is_null() |
| || query.is_null() |
| || log_buffer.is_null() |
| || log_len.is_null() |
| || <span class="kw-2">*</span>log_len == <span class="number">0 |
| </span>{ |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>query = CStr::from_ptr(query).to_string_lossy().into_owned(); |
| <span class="kw">match </span>client.query_audit_logs(query, <span class="kw-2">*</span>log_len) { |
| <span class="prelude-val">Ok</span>(audit_logs) => { |
| <span class="kw">let </span>c_logs: Vec<<span class="kw">_</span>> = audit_logs.into_iter().map(c_entry::from).collect(); |
| <span class="kw">let </span>src_logs = c_logs.as_ptr(); |
| <span class="kw">let </span>len = c_logs.len(); |
| <span class="kw">if </span>len > <span class="kw-2">*</span>log_len { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">unsafe </span>{ |
| ptr::copy_nonoverlapping(src_logs, log_buffer, len); |
| } |
| |
| <span class="kw-2">*</span>log_len = len; |
| <span class="number">0 |
| </span>} |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => <span class="number">1</span>, |
| } |
| } |
| |
| <span class="attribute">#[repr(C)] |
| </span><span class="kw">pub struct </span>c_entry { |
| microsecond: i64, |
| ip: [u8; <span class="number">16</span>], |
| user: <span class="kw-2">*mut </span>c_void, |
| message: <span class="kw-2">*mut </span>c_void, |
| result: bool, |
| } |
| |
| <span class="kw">impl </span>From<Entry> <span class="kw">for </span>c_entry { |
| <span class="kw">fn </span>from(entry: Entry) -> <span class="self">Self </span>{ |
| <span class="kw">let </span>user_bytes = CString::new(entry.user()).unwrap().into_bytes_with_nul(); |
| <span class="kw">let </span>len = user_bytes.len(); |
| <span class="kw">let </span>user = <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>user = malloc(len); |
| ptr::copy_nonoverlapping(user_bytes.as_ptr(), user <span class="kw">as </span><span class="kw-2">*mut </span>u8, len); |
| user |
| }; |
| |
| <span class="kw">let </span>message_bytes = CString::new(entry.message()).unwrap().into_bytes_with_nul(); |
| <span class="kw">let </span>len = message_bytes.len(); |
| <span class="kw">let </span>message = <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>message = malloc(len); |
| ptr::copy_nonoverlapping(message_bytes.as_ptr(), message <span class="kw">as </span><span class="kw-2">*mut </span>u8, len); |
| message |
| }; |
| |
| <span class="self">Self </span>{ |
| microsecond: entry.datetime().timestamp_micros(), |
| ip: entry.ip().octets(), |
| user, |
| message, |
| result: entry.result(), |
| } |
| } |
| } |
| |
| <span class="macro">macro_rules! </span>generate_function_serialized { |
| ( <span class="macro-nonterminal">$client_type</span>:ident, <span class="macro-nonterminal">$c_function_name</span>:ident, <span class="macro-nonterminal">$rust_function_name</span>:ident) => { |
| <span class="doccomment">/// Send JSON serialized request to the service with the `client` and |
| /// get the serialized response. |
| /// |
| /// # Arguments |
| /// |
| /// * `client`: service client. |
| /// * `serialized_request`; JSON serialized request |
| /// * `serialized_response`: buffer to store the JSON serialized response. |
| /// * `serialized_response_len`: length of the allocated |
| /// `serialized_response`, will be set as the length of |
| /// `serialized_response` when return successfully. |
| /// |
| /// # Return |
| /// |
| /// The function returns 0 for success. On error, the function returns 1. |
| /// |
| /// # Safety |
| /// |
| /// Inconsistent length of allocated buffer may caused overflow. |
| </span><span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span><span class="macro-nonterminal">$c_function_name</span>( |
| client: <span class="kw-2">&mut </span><span class="macro-nonterminal">$client_type</span>, |
| serialized_request: <span class="kw-2">*const </span>c_char, |
| serialized_response: <span class="kw-2">*mut </span>c_char, |
| serialized_response_len: <span class="kw-2">*mut </span>size_t, |
| ) -> c_int { |
| <span class="kw">if </span>(client <span class="kw">as </span><span class="kw-2">*mut </span><span class="macro-nonterminal">$client_type</span>).is_null() |
| || serialized_request.is_null() |
| || serialized_response.is_null() |
| || serialized_response_len.is_null() |
| { |
| <span class="kw">return </span><span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>serialized_request = CStr::from_ptr(serialized_request) |
| .to_string_lossy() |
| .into_owned(); |
| <span class="kw">let </span>function_id_string = |
| <span class="macro">unwrap_or_return_one!</span>(client.<span class="macro-nonterminal">$rust_function_name</span>(<span class="kw-2">&</span>serialized_request)); |
| <span class="kw">let </span>function_id_c_string = <span class="macro">unwrap_or_return_one!</span>(CString::new(function_id_string)); |
| <span class="kw">let </span>bytes = function_id_c_string.as_bytes_with_nul(); |
| |
| <span class="kw">if </span><span class="kw-2">*</span>serialized_response_len < bytes.len() { |
| <span class="kw">return </span><span class="number">1</span>; |
| } <span class="kw">else </span>{ |
| ptr::copy_nonoverlapping(bytes.as_ptr(), serialized_response <span class="kw">as _</span>, bytes.len()); |
| <span class="kw-2">*</span>serialized_response_len = bytes.len(); |
| } |
| |
| <span class="number">0 |
| </span>} |
| }; |
| } |
| |
| <span class="macro">generate_function_serialized!</span>( |
| AuthenticationClient, |
| teaclave_user_register_serialized, |
| user_register_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| AuthenticationClient, |
| teaclave_user_login_serialized, |
| user_login_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_register_function_serialized, |
| register_function_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_get_function_serialized, |
| get_function_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_get_function_usage_stats_serialized, |
| get_function_usage_stats_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_register_input_file_serialized, |
| register_input_file_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_register_output_file_serialized, |
| register_output_file_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_create_task_serialized, |
| create_task_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_assign_data_serialized, |
| assign_data_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_approve_task_serialized, |
| approve_task_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_invoke_task_serialized, |
| invoke_task_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_cancel_task_serialized, |
| cancel_task_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_get_task_serialized, |
| get_task_serialized |
| ); |
| <span class="macro">generate_function_serialized!</span>( |
| FrontendClient, |
| teaclave_query_audit_logs_serialized, |
| query_audit_logs_serialized |
| ); |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="teaclave_client_sdk" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
