<!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 to the Rust file `/home/travis/.cargo/registry/src/github.com-1ecc6299db9ec823/openssl-sys-0.7.17/src/probe.rs`."> <meta name="keywords" content="rust, rustlang, rust-lang"> <title>probe.rs.html -- source</title> <link rel="stylesheet" type="text/css" href="../../rustdoc.css"> <link rel="stylesheet" type="text/css" href="../../main.css"> </head> <body class="rustdoc"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> </nav> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content source"><pre class="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> </pre><pre class='rust '> <span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>env</span>; <span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fs</span>; <span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>path</span>::<span class='ident'>PathBuf</span>; <span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>ProbeResult</span> { <span class='kw'>pub</span> <span class='ident'>cert_file</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, <span class='kw'>pub</span> <span class='ident'>cert_dir</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, } <span class='doccomment'>/// Probe the system for the directory in which CA certificates should likely be</span> <span class='doccomment'>/// found.</span> <span class='doccomment'>///</span> <span class='doccomment'>/// This will only search known system locations.</span> <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>find_certs_dirs</span>() <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span> { <span class='comment'>// see http://gagravarr.org/writing/openssl-certs/others.shtml</span> [ <span class='string'>"/var/ssl"</span>, <span class='string'>"/usr/share/ssl"</span>, <span class='string'>"/usr/local/ssl"</span>, <span class='string'>"/usr/local/openssl"</span>, <span class='string'>"/usr/local/share"</span>, <span class='string'>"/usr/lib/ssl"</span>, <span class='string'>"/usr/ssl"</span>, <span class='string'>"/etc/openssl"</span>, <span class='string'>"/etc/pki/tls"</span>, <span class='string'>"/etc/ssl"</span>, ].<span class='ident'>iter</span>().<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>s</span><span class='op'>|</span> <span class='ident'>PathBuf</span>::<span class='ident'>from</span>(<span class='op'>*</span><span class='ident'>s</span>)).<span class='ident'>filter</span>(<span class='op'>|</span><span class='ident'>p</span><span class='op'>|</span> { <span class='ident'>fs</span>::<span class='ident'>metadata</span>(<span class='ident'>p</span>).<span class='ident'>is_ok</span>() }).<span class='ident'>collect</span>() } <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>init_ssl_cert_env_vars</span>() { <span class='kw'>let</span> <span class='ident'>ProbeResult</span> { <span class='ident'>cert_file</span>, <span class='ident'>cert_dir</span> } <span class='op'>=</span> <span class='ident'>probe</span>(); <span class='kw'>match</span> <span class='ident'>cert_file</span> { <span class='prelude-val'>Some</span>(<span class='ident'>path</span>) <span class='op'>=></span> <span class='ident'>put</span>(<span class='string'>"SSL_CERT_FILE"</span>, <span class='ident'>path</span>), <span class='prelude-val'>None</span> <span class='op'>=></span> {} } <span class='kw'>match</span> <span class='ident'>cert_dir</span> { <span class='prelude-val'>Some</span>(<span class='ident'>path</span>) <span class='op'>=></span> <span class='ident'>put</span>(<span class='string'>"SSL_CERT_DIR"</span>, <span class='ident'>path</span>), <span class='prelude-val'>None</span> <span class='op'>=></span> {} } <span class='kw'>fn</span> <span class='ident'>put</span>(<span class='ident'>var</span>: <span class='kw-2'>&</span><span class='ident'>str</span>, <span class='ident'>path</span>: <span class='ident'>PathBuf</span>) { <span class='comment'>// Don't stomp over what anyone else has set</span> <span class='kw'>match</span> <span class='ident'>env</span>::<span class='ident'>var</span>(<span class='ident'>var</span>) { <span class='prelude-val'>Ok</span>(..) <span class='op'>=></span> {} <span class='prelude-val'>Err</span>(..) <span class='op'>=></span> <span class='ident'>env</span>::<span class='ident'>set_var</span>(<span class='ident'>var</span>, <span class='kw-2'>&</span><span class='ident'>path</span>), } } } <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>probe</span>() <span class='op'>-></span> <span class='ident'>ProbeResult</span> { <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>result</span> <span class='op'>=</span> <span class='ident'>ProbeResult</span> { <span class='ident'>cert_file</span>: <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='string'>"SSL_CERT_FILE"</span>).<span class='ident'>map</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>), <span class='ident'>cert_dir</span>: <span class='ident'>env</span>::<span class='ident'>var_os</span>(<span class='string'>"SSL_CERT_DIR"</span>).<span class='ident'>map</span>(<span class='ident'>PathBuf</span>::<span class='ident'>from</span>), }; <span class='kw'>for</span> <span class='ident'>certs_dir</span> <span class='kw'>in</span> <span class='ident'>find_certs_dirs</span>().<span class='ident'>iter</span>() { <span class='comment'>// cert.pem looks to be an openssl 1.0.1 thing, while</span> <span class='comment'>// certs/ca-certificates.crt appears to be a 0.9.8 thing</span> <span class='kw'>for</span> <span class='ident'>cert</span> <span class='kw'>in</span> [ <span class='string'>"cert.pem"</span>, <span class='string'>"certs.pem"</span>, <span class='string'>"certs/ca-certificates.crt"</span>, <span class='string'>"certs/ca-root-nss.crt"</span> ].<span class='ident'>iter</span>() { <span class='ident'>try</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>result</span>.<span class='ident'>cert_file</span>, <span class='ident'>certs_dir</span>.<span class='ident'>join</span>(<span class='ident'>cert</span>)); } <span class='ident'>try</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>result</span>.<span class='ident'>cert_dir</span>, <span class='ident'>certs_dir</span>.<span class='ident'>join</span>(<span class='string'>"certs"</span>)); } <span class='ident'>result</span> } <span class='kw'>fn</span> <span class='ident'>try</span>(<span class='ident'>dst</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>PathBuf</span><span class='op'>></span>, <span class='ident'>val</span>: <span class='ident'>PathBuf</span>) { <span class='kw'>if</span> <span class='ident'>dst</span>.<span class='ident'>is_none</span>() <span class='op'>&&</span> <span class='ident'>fs</span>::<span class='ident'>metadata</span>(<span class='kw-2'>&</span><span class='ident'>val</span>).<span class='ident'>is_ok</span>() { <span class='op'>*</span><span class='ident'>dst</span> <span class='op'>=</span> <span class='prelude-val'>Some</span>(<span class='ident'>val</span>); } } </pre> </section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt>?</dt> <dd>Show this help dialog</dd> <dt>S</dt> <dd>Focus the search field</dd> <dt>⇤</dt> <dd>Move up in search results</dd> <dt>⇥</dt> <dd>Move down in search results</dd> <dt>⏎</dt> <dd>Go to active search result</dd> <dt>+</dt> <dd>Collapse/expand all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../"; 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