| <!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_protected_fs/tfs/src/fs.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>fs.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_tprotected_fs/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_tprotected_fs/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>::sys <span class="kw">as </span>fs_imp; |
| <span class="kw">use </span>sgx_types::types::{Key128bit, Mac128bit}; |
| <span class="kw">use </span>std::io::{<span class="self">self</span>, Read, Seek, SeekFrom, Write}; |
| <span class="kw">use </span>std::os::unix::fs::FileExt; |
| <span class="kw">use </span>std::path::Path; |
| <span class="kw">use </span>std::string::String; |
| <span class="kw">use </span>std::vec::Vec; |
| |
| <span class="macro">cfg_if! </span>{ |
| <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] </span>{ |
| <span class="kw">use </span>sgx_rsrvmm::map::Map; |
| <span class="kw">use </span>sgx_types::error::errno::ESGX; |
| <span class="kw">use </span>sgx_types::error::OsResult; |
| <span class="kw">use </span>sgx_types::types::KeyPolicy; |
| } |
| } |
| |
| <span class="doccomment">/// Options and flags which can be used to configure how a file is opened. |
| /// |
| /// This builder exposes the ability to configure how a SgxFile is opened and |
| /// what operations are permitted on the open file. The SgxFile::open and |
| /// SgxFile::create methods are aliases for commonly used options using this |
| /// builder. |
| /// |
| </span><span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>OpenOptions(fs_imp::OpenOptions); |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub struct </span>EncryptMode(fs_imp::EncryptMode); |
| |
| <span class="doccomment">/// A reference to an open Sgxfile on the filesystem. |
| /// |
| /// An instance of a `SgxFile` can be read and/or written depending on what options |
| /// it was opened with. SgxFiles also implement [`Seek`] to alter the logical cursor |
| /// that the file contains internally. |
| /// |
| /// SgxFiles are automatically closed when they go out of scope. |
| </span><span class="kw">pub struct </span>SgxFile { |
| inner: fs_imp::SgxFile, |
| } |
| |
| <span class="doccomment">/// Read the entire contents of a file into a bytes vector. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>read<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open(path)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>bytes = Vec::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_end(<span class="kw-2">&mut </span>bytes)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(bytes) |
| } |
| |
| <span class="doccomment">/// Read the entire contents of a file into a string. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>read_to_string<P: AsRef<Path>>(path: P) -> io::Result<String> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open(path)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>string = String::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_string(<span class="kw-2">&mut </span>string)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(string) |
| } |
| |
| <span class="doccomment">/// Write a slice as the entire contents of a file. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>write<P: AsRef<Path>, C: AsRef<[u8]>>(path: P, contents: C) -> io::Result<()> { |
| SgxFile::create(path)<span class="question-mark">?</span>.write_all(contents.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>read_with_key<P: AsRef<Path>>(path: P, key: Key128bit) -> io::Result<Vec<u8>> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open_with_key(path, key)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>bytes = Vec::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_end(<span class="kw-2">&mut </span>bytes)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(bytes) |
| } |
| |
| <span class="kw">pub fn </span>read_to_string_with_key<P: AsRef<Path>>(path: P, key: Key128bit) -> io::Result<String> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open_with_key(path, key)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>string = String::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_string(<span class="kw-2">&mut </span>string)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(string) |
| } |
| |
| <span class="kw">pub fn </span>write_with_key<P: AsRef<Path>, C: AsRef<[u8]>>( |
| path: P, |
| key: Key128bit, |
| contents: C, |
| ) -> io::Result<()> { |
| SgxFile::create_with_key(path, key)<span class="question-mark">?</span>.write_all(contents.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>read_integrity_only<P: AsRef<Path>>(path: P) -> io::Result<Vec<u8>> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open_integrity_only(path)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>bytes = Vec::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_end(<span class="kw-2">&mut </span>bytes)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(bytes) |
| } |
| |
| <span class="kw">pub fn </span>read_to_string_integrity_only<P: AsRef<Path>>(path: P) -> io::Result<String> { |
| <span class="kw">let </span><span class="kw-2">mut </span>file = SgxFile::open_integrity_only(path)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>string = String::with_capacity(buffer_capacity_required(<span class="kw-2">&</span>file)); |
| file.read_to_string(<span class="kw-2">&mut </span>string)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(string) |
| } |
| |
| <span class="kw">pub fn </span>write_integrity_only<P: AsRef<Path>, C: AsRef<[u8]>>( |
| path: P, |
| contents: C, |
| ) -> io::Result<()> { |
| SgxFile::create_integrity_only(path)<span class="question-mark">?</span>.write_all(contents.as_ref()) |
| } |
| |
| <span class="kw">impl </span>SgxFile { |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>open<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new().read(<span class="bool-val">true</span>).open(path.as_ref()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>create<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new().write(<span class="bool-val">true</span>).open(path.as_ref()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>append<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new().append(<span class="bool-val">true</span>).open(path.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>open_with_key<P: AsRef<Path>>(path: P, key: Key128bit) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .read(<span class="bool-val">true</span>) |
| .open_with_key(path.as_ref(), key) |
| } |
| |
| <span class="kw">pub fn </span>create_with_key<P: AsRef<Path>>(path: P, key: Key128bit) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .write(<span class="bool-val">true</span>) |
| .open_with_key(path.as_ref(), key) |
| } |
| |
| <span class="kw">pub fn </span>append_with_key<P: AsRef<Path>>(path: P, key: Key128bit) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .append(<span class="bool-val">true</span>) |
| .open_with_key(path.as_ref(), key) |
| } |
| |
| <span class="kw">pub fn </span>open_integrity_only<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .read(<span class="bool-val">true</span>) |
| .open_integrity_only(path.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>create_integrity_only<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .write(<span class="bool-val">true</span>) |
| .open_integrity_only(path.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>append_integrity_only<P: AsRef<Path>>(path: P) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .append(<span class="bool-val">true</span>) |
| .open_integrity_only(path.as_ref()) |
| } |
| |
| <span class="kw">pub fn </span>open_with<P: AsRef<Path>>( |
| path: P, |
| encrypt_mode: EncryptMode, |
| cache_size: <span class="prelude-ty">Option</span><usize>, |
| ) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .read(<span class="bool-val">true</span>) |
| .open_with(path.as_ref(), encrypt_mode, cache_size) |
| } |
| |
| <span class="kw">pub fn </span>create_with<P: AsRef<Path>>( |
| path: P, |
| encrypt_mode: EncryptMode, |
| cache_size: <span class="prelude-ty">Option</span><usize>, |
| ) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .write(<span class="bool-val">true</span>) |
| .open_with(path.as_ref(), encrypt_mode, cache_size) |
| } |
| |
| <span class="kw">pub fn </span>append_with<P: AsRef<Path>>( |
| path: P, |
| encrypt_mode: EncryptMode, |
| cache_size: <span class="prelude-ty">Option</span><usize>, |
| ) -> io::Result<SgxFile> { |
| OpenOptions::new() |
| .append(<span class="bool-val">true</span>) |
| .open_with(path.as_ref(), encrypt_mode, cache_size) |
| } |
| |
| <span class="kw">pub fn </span>options() -> OpenOptions { |
| OpenOptions::new() |
| } |
| |
| <span class="kw">pub fn </span>set_len(<span class="kw-2">&</span><span class="self">self</span>, size: u64) -> io::Result<()> { |
| <span class="self">self</span>.inner.set_len(size) |
| } |
| |
| <span class="kw">pub fn </span>tell(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<u64> { |
| <span class="self">self</span>.inner.tell() |
| } |
| |
| <span class="kw">pub fn </span>file_size(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<u64> { |
| <span class="self">self</span>.inner.file_size() |
| } |
| |
| <span class="kw">pub fn </span>is_eof(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.inner.is_eof() |
| } |
| |
| <span class="kw">pub fn </span>clear_error(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<()> { |
| <span class="self">self</span>.inner.clear_error() |
| } |
| |
| <span class="kw">pub fn </span>clear_cache(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<()> { |
| <span class="self">self</span>.inner.clear_cache() |
| } |
| |
| <span class="kw">pub fn </span>get_mac(<span class="kw-2">&</span><span class="self">self</span>) -> io::Result<Mac128bit> { |
| <span class="self">self</span>.inner.get_mac() |
| } |
| |
| <span class="kw">pub fn </span>rename<P: AsRef<str>>(<span class="kw-2">&mut </span><span class="self">self</span>, old_name: P, new_name: P) -> io::Result<()> { |
| <span class="self">self</span>.inner.rename(old_name.as_ref(), new_name.as_ref()) |
| } |
| } |
| |
| <span class="doccomment">/// Indicates how much extra capacity is needed to read the rest of the file. |
| </span><span class="kw">fn </span>buffer_capacity_required(file: <span class="kw-2">&</span>SgxFile) -> usize { |
| <span class="kw">let </span>size = file.file_size().unwrap_or(<span class="number">0</span>); |
| <span class="kw">let </span>pos = file.tell().unwrap_or(<span class="number">0</span>); |
| <span class="comment">// Don't worry about `usize` overflow because reading will fail regardless |
| // in that case. |
| </span>size.saturating_sub(pos) <span class="kw">as </span>usize |
| } |
| |
| <span class="kw">impl </span>Read <span class="kw">for </span>SgxFile { |
| <span class="kw">fn </span>read(<span class="kw-2">&mut </span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>[u8]) -> io::Result<usize> { |
| <span class="self">self</span>.inner.read(buf) |
| } |
| } |
| |
| <span class="kw">impl </span>Write <span class="kw">for </span>SgxFile { |
| <span class="kw">fn </span>write(<span class="kw-2">&mut </span><span class="self">self</span>, buf: <span class="kw-2">&</span>[u8]) -> io::Result<usize> { |
| <span class="self">self</span>.inner.write(buf) |
| } |
| <span class="kw">fn </span>flush(<span class="kw-2">&mut </span><span class="self">self</span>) -> io::Result<()> { |
| <span class="self">self</span>.inner.flush() |
| } |
| } |
| |
| <span class="kw">impl </span>Seek <span class="kw">for </span>SgxFile { |
| <span class="kw">fn </span>seek(<span class="kw-2">&mut </span><span class="self">self</span>, pos: SeekFrom) -> io::Result<u64> { |
| <span class="self">self</span>.inner.seek(pos) |
| } |
| } |
| |
| <span class="kw">impl </span>Read <span class="kw">for </span><span class="kw-2">&</span>SgxFile { |
| <span class="kw">fn </span>read(<span class="kw-2">&mut </span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>[u8]) -> io::Result<usize> { |
| <span class="self">self</span>.inner.read(buf) |
| } |
| } |
| |
| <span class="kw">impl </span>Write <span class="kw">for </span><span class="kw-2">&</span>SgxFile { |
| <span class="kw">fn </span>write(<span class="kw-2">&mut </span><span class="self">self</span>, buf: <span class="kw-2">&</span>[u8]) -> io::Result<usize> { |
| <span class="self">self</span>.inner.write(buf) |
| } |
| <span class="kw">fn </span>flush(<span class="kw-2">&mut </span><span class="self">self</span>) -> io::Result<()> { |
| <span class="self">self</span>.inner.flush() |
| } |
| } |
| |
| <span class="kw">impl </span>Seek <span class="kw">for </span><span class="kw-2">&</span>SgxFile { |
| <span class="kw">fn </span>seek(<span class="kw-2">&mut </span><span class="self">self</span>, pos: SeekFrom) -> io::Result<u64> { |
| <span class="self">self</span>.inner.seek(pos) |
| } |
| } |
| |
| <span class="kw">impl </span>FileExt <span class="kw">for </span>SgxFile { |
| <span class="kw">fn </span>read_at(<span class="kw-2">&</span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>[u8], offset: u64) -> io::Result<usize> { |
| <span class="self">self</span>.inner.read_at(buf, offset) |
| } |
| |
| <span class="kw">fn </span>write_at(<span class="kw-2">&</span><span class="self">self</span>, buf: <span class="kw-2">&</span>[u8], offset: u64) -> io::Result<usize> { |
| <span class="self">self</span>.inner.write_at(buf, offset) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">impl </span>Map <span class="kw">for </span>SgxFile { |
| <span class="kw">fn </span>read_at(<span class="kw-2">&</span><span class="self">self</span>, buf: <span class="kw-2">&mut </span>[u8], offset: usize) -> OsResult<usize> { |
| <span class="self">self</span>.inner |
| .read_at(buf, offset <span class="kw">as </span>u64) |
| .map_err(|e| e.raw_os_error().unwrap_or(ESGX)) |
| } |
| <span class="kw">fn </span>write_at(<span class="kw-2">&</span><span class="self">self</span>, buf: <span class="kw-2">&</span>[u8], offset: usize) -> OsResult<usize> { |
| <span class="self">self</span>.inner |
| .write_at(buf, offset <span class="kw">as </span>u64) |
| .map_err(|e| e.raw_os_error().unwrap_or(ESGX)) |
| } |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>flush(<span class="kw-2">&</span><span class="self">self</span>) -> OsResult { |
| <span class="self">self</span>.inner |
| .flush() |
| .map_err(|e| e.raw_os_error().unwrap_or(ESGX)) |
| } |
| } |
| |
| <span class="kw">pub fn </span>remove<P: AsRef<Path>>(path: P) -> io::Result<()> { |
| fs_imp::remove(path.as_ref()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>export_key<P: AsRef<Path>>(path: P) -> io::Result<Key128bit> { |
| fs_imp::export_key(path.as_ref()) |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>import_key<P: AsRef<Path>>( |
| path: P, |
| key: Key128bit, |
| key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| ) -> io::Result<()> { |
| fs_imp::import_key(path.as_ref(), key, key_policy) |
| } |
| |
| <span class="kw">impl </span>OpenOptions { |
| <span class="doccomment">/// Creates a blank new set of options ready for configuration. |
| </span><span class="kw">pub fn </span>new() -> OpenOptions { |
| OpenOptions(fs_imp::OpenOptions::new()) |
| } |
| |
| <span class="doccomment">/// Sets the option for read access. |
| </span><span class="kw">pub fn </span>read(<span class="kw-2">&mut </span><span class="self">self</span>, read: bool) -> <span class="kw-2">&mut </span>OpenOptions { |
| <span class="self">self</span>.<span class="number">0</span>.read(read); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Sets the option for write access. |
| </span><span class="kw">pub fn </span>write(<span class="kw-2">&mut </span><span class="self">self</span>, write: bool) -> <span class="kw-2">&mut </span>OpenOptions { |
| <span class="self">self</span>.<span class="number">0</span>.write(write); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Sets the option for the append mode. |
| </span><span class="kw">pub fn </span>append(<span class="kw-2">&mut </span><span class="self">self</span>, append: bool) -> <span class="kw-2">&mut </span>OpenOptions { |
| <span class="self">self</span>.<span class="number">0</span>.append(append); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Sets the option for update a previous file. |
| </span><span class="kw">pub fn </span>update(<span class="kw-2">&mut </span><span class="self">self</span>, update: bool) -> <span class="kw-2">&mut </span>OpenOptions { |
| <span class="self">self</span>.<span class="number">0</span>.update(update); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Sets the option for binary a file. |
| </span><span class="kw">pub fn </span>binary(<span class="kw-2">&mut </span><span class="self">self</span>, binary: bool) -> <span class="kw-2">&mut </span>OpenOptions { |
| <span class="self">self</span>.<span class="number">0</span>.binary(binary); |
| <span class="self">self |
| </span>} |
| |
| <span class="doccomment">/// Opens a file at `path` with the options specified by `self`. |
| </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">pub fn </span>open<P: AsRef<Path>>(<span class="kw-2">&</span><span class="self">self</span>, path: P) -> io::Result<SgxFile> { |
| <span class="self">self</span>.open_with(path, EncryptMode::auto_key(<span class="prelude-val">None</span>), <span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">pub fn </span>open_with_key<P: AsRef<Path>>(<span class="kw-2">&</span><span class="self">self</span>, path: P, key: Key128bit) -> io::Result<SgxFile> { |
| <span class="self">self</span>.open_with(path, EncryptMode::user_key(key), <span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">pub fn </span>open_integrity_only<P: AsRef<Path>>(<span class="kw-2">&</span><span class="self">self</span>, path: P) -> io::Result<SgxFile> { |
| <span class="self">self</span>.open_with(path, EncryptMode::integrity_only(), <span class="prelude-val">None</span>) |
| } |
| |
| <span class="kw">pub fn </span>open_with<P: AsRef<Path>>( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| path: P, |
| encrypt_mode: EncryptMode, |
| cache_size: <span class="prelude-ty">Option</span><usize>, |
| ) -> io::Result<SgxFile> { |
| <span class="kw">let </span>inner = fs_imp::SgxFile::open(path, <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>, <span class="kw-2">&</span>encrypt_mode.<span class="number">0</span>, cache_size)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(SgxFile { inner }) |
| } |
| } |
| |
| <span class="kw">impl </span>Default <span class="kw">for </span>OpenOptions { |
| <span class="kw">fn </span>default() -> <span class="self">Self </span>{ |
| <span class="self">Self</span>::new() |
| } |
| } |
| |
| <span class="kw">impl </span>EncryptMode { |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| #[inline] |
| </span><span class="kw">pub fn </span>auto_key(key_policy: <span class="prelude-ty">Option</span><KeyPolicy>) -> EncryptMode { |
| EncryptMode(fs_imp::EncryptMode::EncryptAutoKey( |
| key_policy.unwrap_or(KeyPolicy::MRSIGNER), |
| )) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>user_key(key: Key128bit) -> EncryptMode { |
| EncryptMode(fs_imp::EncryptMode::EncryptUserKey(key)) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>integrity_only() -> EncryptMode { |
| EncryptMode(fs_imp::EncryptMode::IntegrityOnly) |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="sgx_tprotected_fs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
