| <!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_libc/src/linux/ocall/socket.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>socket.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_libc/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_libc/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>::linux::<span class="kw-2">*</span>; |
| <span class="kw">use </span>core::cmp; |
| <span class="kw">use </span>core::ptr; |
| <span class="kw">use </span>core::slice; |
| <span class="kw">use </span>sgx_oc::linux::ocall; |
| <span class="kw">use </span>sgx_oc::linux::ocall::SockAddr; |
| <span class="kw">use </span>sgx_trts::trts::is_within_enclave; |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>socket(domain: c_int, ty: c_int, protocol: c_int) -> c_int { |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(fd) = ocall::socket(domain, ty, protocol) { |
| fd |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>socketpair( |
| domain: c_int, |
| ty: c_int, |
| protocol: c_int, |
| sv: <span class="kw-2">*mut </span>[c_int; <span class="number">2</span>], |
| ) -> c_int { |
| <span class="kw">if </span>sv.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if </span>ocall::socketpair(domain, ty, protocol, <span class="kw-2">&mut *</span>sv).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>bind( |
| sockfd: c_int, |
| address: <span class="kw-2">*const </span>sockaddr, |
| addrlen: socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>address.is_null() |
| || addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(address <span class="kw">as </span><span class="kw-2">*const </span>u8, addrlen <span class="kw">as </span>usize) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>sockaddr = <span class="kw">if let </span><span class="prelude-val">Ok</span>(sockaddr) = SockAddr::try_from_addr(<span class="kw-2">&*</span>address, addrlen) { |
| sockaddr |
| } <span class="kw">else </span>{ |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| }; |
| |
| <span class="kw">if </span>ocall::bind(sockfd, <span class="kw-2">&</span>sockaddr).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>accept4( |
| sockfd: c_int, |
| addr: <span class="kw-2">*mut </span>sockaddr, |
| addrlen: <span class="kw-2">*mut </span>socklen_t, |
| flags: c_int, |
| ) -> c_int { |
| <span class="kw">if </span>addr.is_null() && !addrlen.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if </span>!addr.is_null() |
| && (addrlen.is_null() |
| || <span class="kw-2">*</span>addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(addrlen <span class="kw">as </span><span class="kw-2">*const </span>u8, mem::size_of::<socklen_t>()) |
| || !is_within_enclave(addr <span class="kw">as </span><span class="kw-2">*const </span>u8, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize)) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>((socket, sockaddr)) = ocall::accept4(sockfd, flags) { |
| <span class="kw">let </span>addrlen_out = sockaddr.addr_len(); |
| <span class="kw">if </span>!addr.is_null() { |
| ptr::copy_nonoverlapping( |
| sockaddr.as_bytes().as_ptr(), |
| addr <span class="kw">as </span><span class="kw-2">*mut </span>u8, |
| cmp::min(addrlen_out, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize), |
| ); |
| <span class="kw-2">*</span>addrlen = addrlen_out <span class="kw">as </span>socklen_t; |
| } |
| socket |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>listen(sockfd: c_int, backlog: c_int) -> c_int { |
| <span class="kw">if </span>ocall::listen(sockfd, backlog).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>connect( |
| sockfd: c_int, |
| address: <span class="kw-2">*const </span>sockaddr, |
| addrlen: socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>address.is_null() |
| || addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(address <span class="kw">as </span><span class="kw-2">*const </span>u8, addrlen <span class="kw">as </span>usize) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>sockaddr = <span class="kw">if let </span><span class="prelude-val">Ok</span>(sockaddr) = SockAddr::try_from_addr(<span class="kw-2">&*</span>address, addrlen) { |
| sockaddr |
| } <span class="kw">else </span>{ |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| }; |
| |
| <span class="kw">if </span>ocall::connect(sockfd, <span class="kw-2">&</span>sockaddr).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>send( |
| sockfd: c_int, |
| buf: <span class="kw-2">*const </span>c_void, |
| len: size_t, |
| flags: c_int, |
| ) -> ssize_t { |
| <span class="kw">if </span>buf.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>buf = slice::from_raw_parts(buf <span class="kw">as </span><span class="kw-2">*const </span>u8, len); |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(rsize) = ocall::send(sockfd, buf, flags) { |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>sendto( |
| sockfd: c_int, |
| buf: <span class="kw-2">*const </span>c_void, |
| len: size_t, |
| flags: c_int, |
| addr: <span class="kw-2">*const </span>sockaddr, |
| addrlen: socklen_t, |
| ) -> ssize_t { |
| <span class="kw">if </span>buf.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| <span class="kw">let </span>buf = slice::from_raw_parts(buf <span class="kw">as </span><span class="kw-2">*const </span>u8, len); |
| |
| <span class="kw">if </span>addr.is_null() || addrlen == <span class="number">0 </span>|| !is_within_enclave(addr <span class="kw">as </span><span class="kw-2">*const </span>u8, addrlen <span class="kw">as </span>usize) { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>sockaddr = <span class="kw">if let </span><span class="prelude-val">Ok</span>(sockaddr) = SockAddr::try_from_addr(<span class="kw-2">&*</span>addr, addrlen) { |
| sockaddr |
| } <span class="kw">else </span>{ |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| }; |
| |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(rsize) = ocall::sendto(sockfd, buf, flags, <span class="kw-2">&</span>sockaddr) { |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>sendmsg(sockfd: c_int, msg: <span class="kw-2">*const </span>msghdr, flags: c_int) -> ssize_t { |
| <span class="kw">if </span>msg.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>msghdr = ocall::MsgHdr::from_raw(<span class="kw-2">&*</span>msg); |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(rsize) = ocall::sendmsg(sockfd, <span class="kw-2">&</span>msghdr, flags) { |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>recv( |
| sockfd: c_int, |
| buf: <span class="kw-2">*mut </span>c_void, |
| len: size_t, |
| flags: c_int, |
| ) -> ssize_t { |
| <span class="kw">if </span>buf.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>buf = slice::from_raw_parts_mut(buf <span class="kw">as </span><span class="kw-2">*mut </span>u8, len); |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(rsize) = ocall::recv(sockfd, buf, flags) { |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>recvfrom( |
| sockfd: c_int, |
| buf: <span class="kw-2">*mut </span>c_void, |
| len: size_t, |
| flags: c_int, |
| addr: <span class="kw-2">*mut </span>sockaddr, |
| addrlen: <span class="kw-2">*mut </span>socklen_t, |
| ) -> ssize_t { |
| <span class="kw">if </span>buf.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| <span class="kw">let </span>buf = slice::from_raw_parts_mut(buf <span class="kw">as </span><span class="kw-2">*mut </span>u8, len); |
| |
| <span class="kw">if </span>addr.is_null() && !addrlen.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if </span>!addr.is_null() |
| && (addrlen.is_null() |
| || <span class="kw-2">*</span>addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(addrlen <span class="kw">as </span><span class="kw-2">*const </span>u8, mem::size_of::<socklen_t>()) |
| || !is_within_enclave(addr <span class="kw">as </span><span class="kw-2">*const </span>u8, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize)) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>((rsize, sockaddr)) = ocall::recvfrom(sockfd, buf, flags) { |
| <span class="kw">let </span>addrlen_out = sockaddr.addr_len(); |
| <span class="kw">if </span>!addr.is_null() { |
| ptr::copy_nonoverlapping( |
| sockaddr.as_bytes().as_ptr(), |
| addr <span class="kw">as </span><span class="kw-2">*mut </span>u8, |
| cmp::min(addrlen_out, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize), |
| ); |
| <span class="kw-2">*</span>addrlen = addrlen_out <span class="kw">as </span>socklen_t; |
| } |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>recvmsg(sockfd: c_int, msg: <span class="kw-2">*mut </span>msghdr, flags: c_int) -> ssize_t { |
| <span class="kw">if </span>msg.is_null() { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">let </span>msg = <span class="kw-2">&mut *</span>msg; |
| <span class="kw">let </span><span class="kw-2">mut </span>msghdr = ocall::MsgHdrMut::from_raw(msg); |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(rsize) = ocall::recvmsg(sockfd, <span class="kw-2">&mut </span>msghdr, flags) { |
| msg.msg_namelen = msghdr.name_len; |
| msg.msg_controllen = msghdr.control_len; |
| msg.msg_flags = msghdr.flags.bits(); |
| rsize <span class="kw">as </span>ssize_t |
| } <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>setsockopt( |
| sockfd: c_int, |
| level: c_int, |
| optname: c_int, |
| optval: <span class="kw-2">*const </span>c_void, |
| optlen: socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>ocall::setsockopt(sockfd, level, optname, optval, optlen).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>getsockopt( |
| sockfd: c_int, |
| level: c_int, |
| optname: c_int, |
| optval: <span class="kw-2">*mut </span>c_void, |
| optlen: <span class="kw-2">*mut </span>socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>ocall::getsockopt(sockfd, level, optname, optval, optlen).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>getpeername( |
| sockfd: c_int, |
| address: <span class="kw-2">*mut </span>sockaddr, |
| addrlen: <span class="kw-2">*mut </span>socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>address.is_null() |
| || addrlen.is_null() |
| || <span class="kw-2">*</span>addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(addrlen <span class="kw">as </span><span class="kw-2">*const </span>u8, mem::size_of::<socklen_t>()) |
| || !is_within_enclave(address <span class="kw">as </span><span class="kw-2">*const </span>u8, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(sockaddr) = ocall::getpeername(sockfd) { |
| <span class="kw">let </span>addrlen_out = sockaddr.addr_len(); |
| ptr::copy_nonoverlapping( |
| sockaddr.as_bytes().as_ptr(), |
| address <span class="kw">as </span><span class="kw-2">*mut </span>u8, |
| cmp::min(addrlen_out, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize), |
| ); |
| <span class="kw-2">*</span>addrlen = addrlen_out <span class="kw">as </span>socklen_t; |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>getsockname( |
| sockfd: c_int, |
| address: <span class="kw-2">*mut </span>sockaddr, |
| addrlen: <span class="kw-2">*mut </span>socklen_t, |
| ) -> c_int { |
| <span class="kw">if </span>address.is_null() |
| || addrlen.is_null() |
| || <span class="kw-2">*</span>addrlen == <span class="number">0 |
| </span>|| !is_within_enclave(addrlen <span class="kw">as </span><span class="kw-2">*const </span>u8, mem::size_of::<socklen_t>()) |
| || !is_within_enclave(address <span class="kw">as </span><span class="kw-2">*const </span>u8, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize) |
| { |
| set_errno(EINVAL); |
| <span class="kw">return </span>-<span class="number">1</span>; |
| } |
| |
| <span class="kw">if let </span><span class="prelude-val">Ok</span>(sockaddr) = ocall::getsockname(sockfd) { |
| <span class="kw">let </span>addrlen_out = sockaddr.addr_len(); |
| ptr::copy_nonoverlapping( |
| sockaddr.as_bytes().as_ptr(), |
| address <span class="kw">as </span><span class="kw-2">*mut </span>u8, |
| cmp::min(addrlen_out, <span class="kw-2">*</span>addrlen <span class="kw">as </span>usize), |
| ); |
| <span class="kw-2">*</span>addrlen = addrlen_out <span class="kw">as </span>socklen_t; |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| |
| <span class="attribute">#[no_mangle] |
| </span><span class="kw">pub unsafe extern </span><span class="string">"C" </span><span class="kw">fn </span>shutdown(sockfd: c_int, how: c_int) -> c_int { |
| <span class="kw">if </span>ocall::shutdown(sockfd, how).is_ok() { |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| -<span class="number">1 |
| </span>} |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="sgx_libc" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |