| <!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/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-1.28.2/src/net/unix/ucred.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>ucred.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="../../../../tokio/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="../../../../tokio/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> |
| <span id="2">2</span> |
| <span id="3">3</span> |
| <span id="4">4</span> |
| <span id="5">5</span> |
| <span id="6">6</span> |
| <span id="7">7</span> |
| <span id="8">8</span> |
| <span id="9">9</span> |
| <span id="10">10</span> |
| <span id="11">11</span> |
| <span id="12">12</span> |
| <span id="13">13</span> |
| <span id="14">14</span> |
| <span id="15">15</span> |
| <span id="16">16</span> |
| <span id="17">17</span> |
| <span id="18">18</span> |
| <span id="19">19</span> |
| <span id="20">20</span> |
| <span id="21">21</span> |
| <span id="22">22</span> |
| <span id="23">23</span> |
| <span id="24">24</span> |
| <span id="25">25</span> |
| <span id="26">26</span> |
| <span id="27">27</span> |
| <span id="28">28</span> |
| <span id="29">29</span> |
| <span id="30">30</span> |
| <span id="31">31</span> |
| <span id="32">32</span> |
| <span id="33">33</span> |
| <span id="34">34</span> |
| <span id="35">35</span> |
| <span id="36">36</span> |
| <span id="37">37</span> |
| <span id="38">38</span> |
| <span id="39">39</span> |
| <span id="40">40</span> |
| <span id="41">41</span> |
| <span id="42">42</span> |
| <span id="43">43</span> |
| <span id="44">44</span> |
| <span id="45">45</span> |
| <span id="46">46</span> |
| <span id="47">47</span> |
| <span id="48">48</span> |
| <span id="49">49</span> |
| <span id="50">50</span> |
| <span id="51">51</span> |
| <span id="52">52</span> |
| <span id="53">53</span> |
| <span id="54">54</span> |
| <span id="55">55</span> |
| <span id="56">56</span> |
| <span id="57">57</span> |
| <span id="58">58</span> |
| <span id="59">59</span> |
| <span id="60">60</span> |
| <span id="61">61</span> |
| <span id="62">62</span> |
| <span id="63">63</span> |
| <span id="64">64</span> |
| <span id="65">65</span> |
| <span id="66">66</span> |
| <span id="67">67</span> |
| <span id="68">68</span> |
| <span id="69">69</span> |
| <span id="70">70</span> |
| <span id="71">71</span> |
| <span id="72">72</span> |
| <span id="73">73</span> |
| <span id="74">74</span> |
| <span id="75">75</span> |
| <span id="76">76</span> |
| <span id="77">77</span> |
| <span id="78">78</span> |
| <span id="79">79</span> |
| <span id="80">80</span> |
| <span id="81">81</span> |
| <span id="82">82</span> |
| <span id="83">83</span> |
| <span id="84">84</span> |
| <span id="85">85</span> |
| <span id="86">86</span> |
| <span id="87">87</span> |
| <span id="88">88</span> |
| <span id="89">89</span> |
| <span id="90">90</span> |
| <span id="91">91</span> |
| <span id="92">92</span> |
| <span id="93">93</span> |
| <span id="94">94</span> |
| <span id="95">95</span> |
| <span id="96">96</span> |
| <span id="97">97</span> |
| <span id="98">98</span> |
| <span id="99">99</span> |
| <span id="100">100</span> |
| <span id="101">101</span> |
| <span id="102">102</span> |
| <span id="103">103</span> |
| <span id="104">104</span> |
| <span id="105">105</span> |
| <span id="106">106</span> |
| <span id="107">107</span> |
| <span id="108">108</span> |
| <span id="109">109</span> |
| <span id="110">110</span> |
| <span id="111">111</span> |
| <span id="112">112</span> |
| <span id="113">113</span> |
| <span id="114">114</span> |
| <span id="115">115</span> |
| <span id="116">116</span> |
| <span id="117">117</span> |
| <span id="118">118</span> |
| <span id="119">119</span> |
| <span id="120">120</span> |
| <span id="121">121</span> |
| <span id="122">122</span> |
| <span id="123">123</span> |
| <span id="124">124</span> |
| <span id="125">125</span> |
| <span id="126">126</span> |
| <span id="127">127</span> |
| <span id="128">128</span> |
| <span id="129">129</span> |
| <span id="130">130</span> |
| <span id="131">131</span> |
| <span id="132">132</span> |
| <span id="133">133</span> |
| <span id="134">134</span> |
| <span id="135">135</span> |
| <span id="136">136</span> |
| <span id="137">137</span> |
| <span id="138">138</span> |
| <span id="139">139</span> |
| <span id="140">140</span> |
| <span id="141">141</span> |
| <span id="142">142</span> |
| <span id="143">143</span> |
| <span id="144">144</span> |
| <span id="145">145</span> |
| <span id="146">146</span> |
| <span id="147">147</span> |
| <span id="148">148</span> |
| <span id="149">149</span> |
| <span id="150">150</span> |
| <span id="151">151</span> |
| <span id="152">152</span> |
| <span id="153">153</span> |
| <span id="154">154</span> |
| <span id="155">155</span> |
| <span id="156">156</span> |
| <span id="157">157</span> |
| <span id="158">158</span> |
| <span id="159">159</span> |
| <span id="160">160</span> |
| <span id="161">161</span> |
| <span id="162">162</span> |
| <span id="163">163</span> |
| <span id="164">164</span> |
| <span id="165">165</span> |
| <span id="166">166</span> |
| <span id="167">167</span> |
| <span id="168">168</span> |
| <span id="169">169</span> |
| <span id="170">170</span> |
| <span id="171">171</span> |
| <span id="172">172</span> |
| <span id="173">173</span> |
| <span id="174">174</span> |
| <span id="175">175</span> |
| <span id="176">176</span> |
| <span id="177">177</span> |
| <span id="178">178</span> |
| <span id="179">179</span> |
| <span id="180">180</span> |
| <span id="181">181</span> |
| <span id="182">182</span> |
| <span id="183">183</span> |
| <span id="184">184</span> |
| <span id="185">185</span> |
| <span id="186">186</span> |
| <span id="187">187</span> |
| <span id="188">188</span> |
| <span id="189">189</span> |
| <span id="190">190</span> |
| <span id="191">191</span> |
| <span id="192">192</span> |
| <span id="193">193</span> |
| <span id="194">194</span> |
| <span id="195">195</span> |
| <span id="196">196</span> |
| <span id="197">197</span> |
| <span id="198">198</span> |
| <span id="199">199</span> |
| <span id="200">200</span> |
| <span id="201">201</span> |
| <span id="202">202</span> |
| <span id="203">203</span> |
| <span id="204">204</span> |
| <span id="205">205</span> |
| <span id="206">206</span> |
| <span id="207">207</span> |
| <span id="208">208</span> |
| <span id="209">209</span> |
| <span id="210">210</span> |
| <span id="211">211</span> |
| <span id="212">212</span> |
| <span id="213">213</span> |
| <span id="214">214</span> |
| <span id="215">215</span> |
| <span id="216">216</span> |
| <span id="217">217</span> |
| <span id="218">218</span> |
| <span id="219">219</span> |
| <span id="220">220</span> |
| <span id="221">221</span> |
| <span id="222">222</span> |
| <span id="223">223</span> |
| <span id="224">224</span> |
| <span id="225">225</span> |
| <span id="226">226</span> |
| <span id="227">227</span> |
| <span id="228">228</span> |
| <span id="229">229</span> |
| <span id="230">230</span> |
| <span id="231">231</span> |
| <span id="232">232</span> |
| <span id="233">233</span> |
| <span id="234">234</span> |
| <span id="235">235</span> |
| <span id="236">236</span> |
| <span id="237">237</span> |
| <span id="238">238</span> |
| <span id="239">239</span> |
| <span id="240">240</span> |
| <span id="241">241</span> |
| <span id="242">242</span> |
| <span id="243">243</span> |
| <span id="244">244</span> |
| <span id="245">245</span> |
| <span id="246">246</span> |
| <span id="247">247</span> |
| <span id="248">248</span> |
| <span id="249">249</span> |
| <span id="250">250</span> |
| <span id="251">251</span> |
| <span id="252">252</span> |
| <span id="253">253</span> |
| <span id="254">254</span> |
| <span id="255">255</span> |
| <span id="256">256</span> |
| <span id="257">257</span> |
| <span id="258">258</span> |
| <span id="259">259</span> |
| <span id="260">260</span> |
| <span id="261">261</span> |
| <span id="262">262</span> |
| <span id="263">263</span> |
| <span id="264">264</span> |
| <span id="265">265</span> |
| <span id="266">266</span> |
| <span id="267">267</span> |
| <span id="268">268</span> |
| <span id="269">269</span> |
| <span id="270">270</span> |
| <span id="271">271</span> |
| <span id="272">272</span> |
| <span id="273">273</span> |
| <span id="274">274</span> |
| <span id="275">275</span> |
| <span id="276">276</span> |
| <span id="277">277</span> |
| <span id="278">278</span> |
| <span id="279">279</span> |
| <span id="280">280</span> |
| <span id="281">281</span> |
| <span id="282">282</span> |
| <span id="283">283</span> |
| </pre><pre class="rust"><code><span class="kw">use </span><span class="kw">crate</span>::net::unix; |
| |
| <span class="doccomment">/// Credentials of a process. |
| </span><span class="attribute">#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)] |
| </span><span class="kw">pub struct </span>UCred { |
| <span class="doccomment">/// PID (process ID) of the process. |
| </span>pid: <span class="prelude-ty">Option</span><unix::pid_t>, |
| <span class="doccomment">/// UID (user ID) of the process. |
| </span>uid: unix::uid_t, |
| <span class="doccomment">/// GID (group ID) of the process. |
| </span>gid: unix::gid_t, |
| } |
| |
| <span class="kw">impl </span>UCred { |
| <span class="doccomment">/// Gets UID (user ID) of the process. |
| </span><span class="kw">pub fn </span>uid(<span class="kw-2">&</span><span class="self">self</span>) -> unix::uid_t { |
| <span class="self">self</span>.uid |
| } |
| |
| <span class="doccomment">/// Gets GID (group ID) of the process. |
| </span><span class="kw">pub fn </span>gid(<span class="kw-2">&</span><span class="self">self</span>) -> unix::gid_t { |
| <span class="self">self</span>.gid |
| } |
| |
| <span class="doccomment">/// Gets PID (process ID) of the process. |
| /// |
| /// This is only implemented under Linux, Android, iOS, macOS, Solaris and |
| /// Illumos. On other platforms this will always return `None`. |
| </span><span class="kw">pub fn </span>pid(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><unix::pid_t> { |
| <span class="self">self</span>.pid |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, target_os = <span class="string">"android"</span>, target_os = <span class="string">"openbsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_linux::get_peer_cred; |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"netbsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_netbsd::get_peer_cred; |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"dragonfly"</span>, target_os = <span class="string">"freebsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_bsd::get_peer_cred; |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"macos"</span>, target_os = <span class="string">"ios"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_macos::get_peer_cred; |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"solaris"</span>, target_os = <span class="string">"illumos"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_solaris::get_peer_cred; |
| |
| <span class="attribute">#[cfg(target_os = <span class="string">"aix"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">use </span><span class="self">self</span>::impl_aix::get_peer_cred; |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, target_os = <span class="string">"android"</span>, target_os = <span class="string">"openbsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_linux { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::{<span class="self">self</span>, UnixStream}; |
| |
| <span class="kw">use </span>libc::{c_void, getsockopt, socklen_t, SOL_SOCKET, SO_PEERCRED}; |
| <span class="kw">use </span>std::{io, mem}; |
| |
| <span class="attribute">#[cfg(target_os = <span class="string">"openbsd"</span>)] |
| </span><span class="kw">use </span>libc::sockpeercred <span class="kw">as </span>ucred; |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"linux"</span>, target_os = <span class="string">"android"</span>))] |
| </span><span class="kw">use </span>libc::ucred; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>ucred = ucred { |
| pid: <span class="number">0</span>, |
| uid: <span class="number">0</span>, |
| gid: <span class="number">0</span>, |
| }; |
| |
| <span class="kw">let </span>ucred_size = mem::size_of::<ucred>(); |
| |
| <span class="comment">// These paranoid checks should be optimized-out |
| </span><span class="macro">assert!</span>(mem::size_of::<u32>() <= mem::size_of::<usize>()); |
| <span class="macro">assert!</span>(ucred_size <= u32::MAX <span class="kw">as </span>usize); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>ucred_size = ucred_size <span class="kw">as </span>socklen_t; |
| |
| <span class="kw">let </span>ret = getsockopt( |
| raw_fd, |
| SOL_SOCKET, |
| SO_PEERCRED, |
| <span class="kw-2">&mut </span>ucred <span class="kw">as </span><span class="kw-2">*mut </span>ucred <span class="kw">as </span><span class="kw-2">*mut </span>c_void, |
| <span class="kw-2">&mut </span>ucred_size, |
| ); |
| <span class="kw">if </span>ret == <span class="number">0 </span>&& ucred_size <span class="kw">as </span>usize == mem::size_of::<ucred>() { |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: ucred.uid <span class="kw">as </span>unix::uid_t, |
| gid: ucred.gid <span class="kw">as </span>unix::gid_t, |
| pid: <span class="prelude-val">Some</span>(ucred.pid <span class="kw">as </span>unix::pid_t), |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"netbsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_netbsd { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::{<span class="self">self</span>, UnixStream}; |
| |
| <span class="kw">use </span>libc::{c_void, getsockopt, socklen_t, unpcbid, LOCAL_PEEREID, SOL_SOCKET}; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::mem::size_of; |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>unpcbid = unpcbid { |
| unp_pid: <span class="number">0</span>, |
| unp_euid: <span class="number">0</span>, |
| unp_egid: <span class="number">0</span>, |
| }; |
| |
| <span class="kw">let </span>unpcbid_size = size_of::<unpcbid>(); |
| <span class="kw">let </span><span class="kw-2">mut </span>unpcbid_size = unpcbid_size <span class="kw">as </span>socklen_t; |
| |
| <span class="kw">let </span>ret = getsockopt( |
| raw_fd, |
| SOL_SOCKET, |
| LOCAL_PEEREID, |
| <span class="kw-2">&mut </span>unpcbid <span class="kw">as </span><span class="kw-2">*mut </span>unpcbid <span class="kw">as </span><span class="kw-2">*mut </span>c_void, |
| <span class="kw-2">&mut </span>unpcbid_size, |
| ); |
| <span class="kw">if </span>ret == <span class="number">0 </span>&& unpcbid_size <span class="kw">as </span>usize == size_of::<unpcbid>() { |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: unpcbid.unp_euid <span class="kw">as </span>unix::uid_t, |
| gid: unpcbid.unp_egid <span class="kw">as </span>unix::gid_t, |
| pid: <span class="prelude-val">Some</span>(unpcbid.unp_pid <span class="kw">as </span>unix::pid_t), |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"dragonfly"</span>, target_os = <span class="string">"freebsd"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_bsd { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::{<span class="self">self</span>, UnixStream}; |
| |
| <span class="kw">use </span>libc::getpeereid; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::mem::MaybeUninit; |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>uid = MaybeUninit::uninit(); |
| <span class="kw">let </span><span class="kw-2">mut </span>gid = MaybeUninit::uninit(); |
| |
| <span class="kw">let </span>ret = getpeereid(raw_fd, uid.as_mut_ptr(), gid.as_mut_ptr()); |
| |
| <span class="kw">if </span>ret == <span class="number">0 </span>{ |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: uid.assume_init() <span class="kw">as </span>unix::uid_t, |
| gid: gid.assume_init() <span class="kw">as </span>unix::gid_t, |
| pid: <span class="prelude-val">None</span>, |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"macos"</span>, target_os = <span class="string">"ios"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_macos { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::{<span class="self">self</span>, UnixStream}; |
| |
| <span class="kw">use </span>libc::{c_void, getpeereid, getsockopt, pid_t, LOCAL_PEEREPID, SOL_LOCAL}; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::mem::size_of; |
| <span class="kw">use </span>std::mem::MaybeUninit; |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>uid = MaybeUninit::uninit(); |
| <span class="kw">let </span><span class="kw-2">mut </span>gid = MaybeUninit::uninit(); |
| <span class="kw">let </span><span class="kw-2">mut </span>pid: MaybeUninit<pid_t> = MaybeUninit::uninit(); |
| <span class="kw">let </span><span class="kw-2">mut </span>pid_size: MaybeUninit<u32> = MaybeUninit::new(size_of::<pid_t>() <span class="kw">as </span>u32); |
| |
| <span class="kw">if </span>getsockopt( |
| raw_fd, |
| SOL_LOCAL, |
| LOCAL_PEEREPID, |
| pid.as_mut_ptr() <span class="kw">as </span><span class="kw-2">*mut </span>c_void, |
| pid_size.as_mut_ptr(), |
| ) != <span class="number">0 |
| </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(io::Error::last_os_error()); |
| } |
| |
| <span class="macro">assert!</span>(pid_size.assume_init() == (size_of::<pid_t>() <span class="kw">as </span>u32)); |
| |
| <span class="kw">let </span>ret = getpeereid(raw_fd, uid.as_mut_ptr(), gid.as_mut_ptr()); |
| |
| <span class="kw">if </span>ret == <span class="number">0 </span>{ |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: uid.assume_init() <span class="kw">as </span>unix::uid_t, |
| gid: gid.assume_init() <span class="kw">as </span>unix::gid_t, |
| pid: <span class="prelude-val">Some</span>(pid.assume_init() <span class="kw">as </span>unix::pid_t), |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(any(target_os = <span class="string">"solaris"</span>, target_os = <span class="string">"illumos"</span>))] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_solaris { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::{<span class="self">self</span>, UnixStream}; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| <span class="kw">use </span>std::ptr; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>cred = ptr::null_mut(); |
| <span class="kw">let </span>ret = libc::getpeerucred(raw_fd, <span class="kw-2">&mut </span>cred); |
| |
| <span class="kw">if </span>ret == <span class="number">0 </span>{ |
| <span class="kw">let </span>uid = libc::ucred_geteuid(cred); |
| <span class="kw">let </span>gid = libc::ucred_getegid(cred); |
| <span class="kw">let </span>pid = libc::ucred_getpid(cred); |
| |
| libc::ucred_free(cred); |
| |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: uid <span class="kw">as </span>unix::uid_t, |
| gid: gid <span class="kw">as </span>unix::gid_t, |
| pid: <span class="prelude-val">Some</span>(pid <span class="kw">as </span>unix::pid_t), |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(target_os = <span class="string">"aix"</span>)] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">mod </span>impl_aix { |
| <span class="kw">use </span><span class="kw">crate</span>::net::unix::UnixStream; |
| <span class="kw">use </span>std::io; |
| <span class="kw">use </span>std::os::unix::io::AsRawFd; |
| |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>get_peer_cred(sock: <span class="kw-2">&</span>UnixStream) -> io::Result<<span class="kw">super</span>::UCred> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>raw_fd = sock.as_raw_fd(); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>uid = std::mem::MaybeUninit::uninit(); |
| <span class="kw">let </span><span class="kw-2">mut </span>gid = std::mem::MaybeUninit::uninit(); |
| |
| <span class="kw">let </span>ret = libc::getpeereid(raw_fd, uid.as_mut_ptr(), gid.as_mut_ptr()); |
| |
| <span class="kw">if </span>ret == <span class="number">0 </span>{ |
| <span class="prelude-val">Ok</span>(<span class="kw">super</span>::UCred { |
| uid: uid.assume_init(), |
| gid: gid.assume_init(), |
| pid: <span class="prelude-val">None</span>, |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(io::Error::last_os_error()) |
| } |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="tokio" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
