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diff --git a/src/openssl/ssl/mod.rs.html b/src/openssl/ssl/mod.rs.html new file mode 100644 index 0000000..40cd850 --- /dev/null +++ b/src/openssl/ssl/mod.rs.html @@ -0,0 +1,2079 @@ +<!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-0a35038f75765ae4/openssl-0.6.3/src/ssl/mod.rs`."> + <meta name="keywords" content="rust, rustlang, rust-lang"> + + <title>mod.rs.html -- source</title> + + <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]--> + + + + <section class="sidebar"> + + + </section> + + <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 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id="586">586</span> +<span id="587">587</span> +<span id="588">588</span> +<span id="589">589</span> +<span id="590">590</span> +<span id="591">591</span> +<span id="592">592</span> +<span id="593">593</span> +<span id="594">594</span> +<span id="595">595</span> +<span id="596">596</span> +<span id="597">597</span> +<span id="598">598</span> +<span id="599">599</span> +<span id="600">600</span> +<span id="601">601</span> +<span id="602">602</span> +<span id="603">603</span> +<span id="604">604</span> +<span id="605">605</span> +<span id="606">606</span> +<span id="607">607</span> +<span id="608">608</span> +<span id="609">609</span> +<span id="610">610</span> +<span id="611">611</span> +<span id="612">612</span> +<span id="613">613</span> +<span id="614">614</span> +<span id="615">615</span> +<span id="616">616</span> +<span id="617">617</span> +<span id="618">618</span> +<span id="619">619</span> +<span id="620">620</span> +<span id="621">621</span> +<span id="622">622</span> +<span id="623">623</span> +<span id="624">624</span> +<span id="625">625</span> +<span id="626">626</span> +<span id="627">627</span> +<span id="628">628</span> +<span id="629">629</span> +<span id="630">630</span> +<span id="631">631</span> +<span id="632">632</span> +<span id="633">633</span> +<span id="634">634</span> +<span id="635">635</span> +<span id="636">636</span> +<span id="637">637</span> +<span id="638">638</span> +<span id="639">639</span> +<span id="640">640</span> +<span id="641">641</span> +<span id="642">642</span> +<span id="643">643</span> +<span id="644">644</span> +<span id="645">645</span> +<span id="646">646</span> +<span id="647">647</span> +<span id="648">648</span> +<span id="649">649</span> +<span id="650">650</span> +<span id="651">651</span> +<span id="652">652</span> +<span id="653">653</span> +<span id="654">654</span> +<span id="655">655</span> +<span id="656">656</span> +<span id="657">657</span> +<span id="658">658</span> +<span id="659">659</span> +<span id="660">660</span> +<span id="661">661</span> +<span id="662">662</span> +<span id="663">663</span> +<span id="664">664</span> +<span id="665">665</span> +<span id="666">666</span> +<span id="667">667</span> +<span id="668">668</span> +<span id="669">669</span> +<span id="670">670</span> +<span id="671">671</span> +<span id="672">672</span> +<span id="673">673</span> +<span id="674">674</span> +<span id="675">675</span> +<span id="676">676</span> +<span id="677">677</span> +<span id="678">678</span> +<span id="679">679</span> +<span id="680">680</span> +<span id="681">681</span> +<span id="682">682</span> +<span id="683">683</span> +<span id="684">684</span> +<span id="685">685</span> +<span id="686">686</span> +<span id="687">687</span> +<span id="688">688</span> +<span id="689">689</span> +<span id="690">690</span> +<span id="691">691</span> +<span id="692">692</span> +<span id="693">693</span> +<span id="694">694</span> +<span id="695">695</span> +<span id="696">696</span> +<span id="697">697</span> +<span id="698">698</span> +<span id="699">699</span> +<span id="700">700</span> +<span id="701">701</span> +<span id="702">702</span> +<span id="703">703</span> +<span id="704">704</span> +<span id="705">705</span> +<span id="706">706</span> +<span id="707">707</span> +<span id="708">708</span> +<span id="709">709</span> +<span id="710">710</span> +<span id="711">711</span> +<span id="712">712</span> +<span id="713">713</span> +<span id="714">714</span> +<span id="715">715</span> +<span id="716">716</span> +<span id="717">717</span> +<span id="718">718</span> +<span id="719">719</span> +<span id="720">720</span> +<span id="721">721</span> +<span id="722">722</span> +<span id="723">723</span> +<span id="724">724</span> +<span id="725">725</span> +<span id="726">726</span> +<span id="727">727</span> +<span id="728">728</span> +<span id="729">729</span> +<span id="730">730</span> +<span id="731">731</span> +<span id="732">732</span> +<span id="733">733</span> +<span id="734">734</span> +<span id="735">735</span> +<span id="736">736</span> +<span id="737">737</span> +<span id="738">738</span> +<span id="739">739</span> +<span id="740">740</span> +<span id="741">741</span> +<span id="742">742</span> +<span id="743">743</span> +<span id="744">744</span> +<span id="745">745</span> +<span id="746">746</span> +<span id="747">747</span> +<span id="748">748</span> +<span id="749">749</span> +<span id="750">750</span> +<span id="751">751</span> +<span id="752">752</span> +<span id="753">753</span> +<span id="754">754</span> +<span id="755">755</span> +<span id="756">756</span> +<span id="757">757</span> +<span id="758">758</span> +<span id="759">759</span> +<span id="760">760</span> +<span id="761">761</span> +<span id="762">762</span> +<span id="763">763</span> +<span id="764">764</span> +<span id="765">765</span> +<span id="766">766</span> +<span id="767">767</span> +<span id="768">768</span> +<span id="769">769</span> +<span id="770">770</span> +<span id="771">771</span> +<span id="772">772</span> +<span id="773">773</span> +<span id="774">774</span> +<span id="775">775</span> +<span id="776">776</span> +<span id="777">777</span> +<span id="778">778</span> +<span id="779">779</span> +<span id="780">780</span> +<span id="781">781</span> +<span id="782">782</span> +<span id="783">783</span> +<span id="784">784</span> +<span id="785">785</span> +<span id="786">786</span> +<span id="787">787</span> +<span id="788">788</span> +<span id="789">789</span> +<span id="790">790</span> +<span id="791">791</span> +<span id="792">792</span> +<span id="793">793</span> +<span id="794">794</span> +<span id="795">795</span> +<span id="796">796</span> +<span id="797">797</span> +<span id="798">798</span> +<span id="799">799</span> +<span id="800">800</span> +<span id="801">801</span> +<span id="802">802</span> +<span id="803">803</span> +<span id="804">804</span> +<span id="805">805</span> +<span id="806">806</span> +<span id="807">807</span> +<span id="808">808</span> +<span id="809">809</span> +<span id="810">810</span> +<span id="811">811</span> +<span id="812">812</span> +<span id="813">813</span> +<span id="814">814</span> +<span id="815">815</span> +<span id="816">816</span> +<span id="817">817</span> +<span id="818">818</span> +<span id="819">819</span> +<span id="820">820</span> +<span id="821">821</span> +<span id="822">822</span> +<span id="823">823</span> +<span id="824">824</span> +<span id="825">825</span> +<span id="826">826</span> +<span id="827">827</span> +<span id="828">828</span> +<span id="829">829</span> +<span id="830">830</span> +<span id="831">831</span> +<span id="832">832</span> +<span id="833">833</span> +<span id="834">834</span> +<span id="835">835</span> +<span id="836">836</span> +<span id="837">837</span> +<span id="838">838</span> +<span id="839">839</span> +<span id="840">840</span> +<span id="841">841</span> +<span id="842">842</span> +<span id="843">843</span> +<span id="844">844</span> +<span id="845">845</span> +<span id="846">846</span> +<span id="847">847</span> +<span id="848">848</span> +<span id="849">849</span> +<span id="850">850</span> +<span id="851">851</span> +<span id="852">852</span> +<span id="853">853</span> +<span id="854">854</span> +<span id="855">855</span> +<span id="856">856</span> +<span id="857">857</span> +<span id="858">858</span> +<span id="859">859</span> +<span id="860">860</span> +<span id="861">861</span> +<span id="862">862</span> +<span id="863">863</span> +<span id="864">864</span> +<span id="865">865</span> +<span id="866">866</span> +<span id="867">867</span> +<span id="868">868</span> +<span id="869">869</span> +<span id="870">870</span> +<span id="871">871</span> +<span id="872">872</span> +<span id="873">873</span> +<span id="874">874</span> +<span id="875">875</span> +<span id="876">876</span> +<span id="877">877</span> +<span id="878">878</span> +<span id="879">879</span> +<span id="880">880</span> +<span id="881">881</span> +<span id="882">882</span> +<span id="883">883</span> +<span id="884">884</span> +<span id="885">885</span> +<span id="886">886</span> +<span id="887">887</span> +<span id="888">888</span> +<span id="889">889</span> +<span id="890">890</span> +<span id="891">891</span> +<span id="892">892</span> +<span id="893">893</span> +<span id="894">894</span> +<span id="895">895</span> +<span id="896">896</span> +<span id="897">897</span> +<span id="898">898</span> +<span id="899">899</span> +<span id="900">900</span> +<span id="901">901</span> +<span id="902">902</span> +<span id="903">903</span> +<span id="904">904</span> +<span id="905">905</span> +<span id="906">906</span> +<span id="907">907</span> +<span id="908">908</span> +<span id="909">909</span> +<span id="910">910</span> +<span id="911">911</span> +<span id="912">912</span> +<span id="913">913</span> +<span id="914">914</span> +<span id="915">915</span> +<span id="916">916</span> +<span id="917">917</span> +<span id="918">918</span> +<span id="919">919</span> +<span id="920">920</span> +<span id="921">921</span> +<span id="922">922</span> +<span id="923">923</span> +<span id="924">924</span> +<span id="925">925</span> +<span id="926">926</span> +<span id="927">927</span> +<span id="928">928</span> +<span id="929">929</span> +<span id="930">930</span> +<span id="931">931</span> +<span id="932">932</span> +<span id="933">933</span> +<span id="934">934</span> +<span id="935">935</span> +<span id="936">936</span> +<span id="937">937</span> +<span id="938">938</span> +<span id="939">939</span> +<span id="940">940</span> +<span id="941">941</span> +<span id="942">942</span> +<span id="943">943</span> +<span id="944">944</span> +<span id="945">945</span> +<span id="946">946</span> +<span id="947">947</span> +<span id="948">948</span> +<span id="949">949</span> +<span id="950">950</span> +<span id="951">951</span> +<span id="952">952</span> +<span id="953">953</span> +<span id="954">954</span> +<span id="955">955</span> +<span id="956">956</span> +<span id="957">957</span> +<span id="958">958</span> +<span id="959">959</span> +<span id="960">960</span> +<span id="961">961</span> +<span id="962">962</span> +<span id="963">963</span> +<span id="964">964</span> +<span id="965">965</span> +<span id="966">966</span> +<span id="967">967</span> +<span id="968">968</span> +<span id="969">969</span> +<span id="970">970</span> +<span id="971">971</span> +<span id="972">972</span> +<span id="973">973</span> +<span id="974">974</span> +<span id="975">975</span> +<span id="976">976</span> +<span id="977">977</span> +<span id="978">978</span> +<span id="979">979</span> +<span id="980">980</span> +<span id="981">981</span> +<span id="982">982</span> +<span id="983">983</span> +<span id="984">984</span> +<span id="985">985</span> +<span id="986">986</span> +<span id="987">987</span> +<span id="988">988</span> +<span id="989">989</span> +<span id="990">990</span> +<span id="991">991</span> +</pre><pre class='rust '> +<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='ident'>c_int</span>, <span class='ident'>c_void</span>, <span class='ident'>c_long</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>any</span>::<span class='ident'>TypeId</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>collections</span>::<span class='ident'>HashMap</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ffi</span>::{<span class='ident'>CStr</span>, <span class='ident'>CString</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>fmt</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>::<span class='ident'>prelude</span>::<span class='op'>*</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>mem</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>net</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>path</span>::<span class='ident'>Path</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ptr</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>sync</span>::{<span class='ident'>Once</span>, <span class='ident'>ONCE_INIT</span>, <span class='ident'>Arc</span>, <span class='ident'>Mutex</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Deref</span>, <span class='ident'>DerefMut</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>any</span>::<span class='ident'>Any</span>; +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> +<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='ident'>c_uchar</span>, <span class='ident'>c_uint</span>}; +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>slice</span>; + +<span class='kw'>use</span> <span class='ident'>bio</span>::{<span class='ident'>MemBio</span>}; +<span class='kw'>use</span> <span class='ident'>ffi</span>; +<span class='kw'>use</span> <span class='ident'>ssl</span>::<span class='ident'>error</span>::{<span class='ident'>SslError</span>, <span class='ident'>SslSessionClosed</span>, <span class='ident'>StreamError</span>, <span class='ident'>OpenSslErrors</span>}; +<span class='kw'>use</span> <span class='ident'>x509</span>::{<span class='ident'>X509StoreContext</span>, <span class='ident'>X509FileType</span>, <span class='ident'>X509</span>}; +<span class='kw'>use</span> <span class='ident'>crypto</span>::<span class='ident'>pkey</span>::<span class='ident'>PKey</span>; + +<span class='kw'>pub</span> <span class='kw'>mod</span> <span class='ident'>error</span>; +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span> +<span class='kw'>mod</span> <span class='ident'>tests</span>; + +<span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>VERIFY_IDX</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='op'>-</span><span class='number'>1</span>; + +<span class='kw'>fn</span> <span class='ident'>init</span>() { + <span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>INIT</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>; + + <span class='kw'>unsafe</span> { + <span class='ident'>INIT</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> { + <span class='ident'>ffi</span>::<span class='ident'>init</span>(); + + <span class='kw'>let</span> <span class='ident'>verify_idx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_new_index</span>(<span class='number'>0</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>(), <span class='prelude-val'>None</span>, + <span class='prelude-val'>None</span>, <span class='prelude-val'>None</span>); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>verify_idx</span> <span class='op'>>=</span> <span class='number'>0</span>); + <span class='ident'>VERIFY_IDX</span> <span class='op'>=</span> <span class='ident'>verify_idx</span>; + }); + } +} + +<span class='macro'>bitflags</span><span class='macro'>!</span> { + <span class='ident'>flags</span> <span class='ident'>SslContextOptions</span>: <span class='ident'>c_long</span> { + <span class='kw'>const</span> <span class='ident'>SSL_OP_LEGACY_SERVER_CONNECT</span> <span class='op'>=</span> <span class='number'>0x00000004</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG</span> <span class='op'>=</span> <span class='number'>0x00000008</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_TLSEXT_PADDING</span> <span class='op'>=</span> <span class='number'>0x00000010</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER</span> <span class='op'>=</span> <span class='number'>0x00000020</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_SAFARI_ECDHE_ECDSA_BUG</span> <span class='op'>=</span> <span class='number'>0x00000040</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_SSLEAY_080_CLIENT_DH_BUG</span> <span class='op'>=</span> <span class='number'>0x00000080</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_D5_BUG</span> <span class='op'>=</span> <span class='number'>0x00000100</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_BLOCK_PADDING_BUG</span> <span class='op'>=</span> <span class='number'>0x00000200</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS</span> <span class='op'>=</span> <span class='number'>0x00000800</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_ALL</span> <span class='op'>=</span> <span class='number'>0x80000BFF</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_QUERY_MTU</span> <span class='op'>=</span> <span class='number'>0x00001000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_COOKIE_EXCHANGE</span> <span class='op'>=</span> <span class='number'>0x00002000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TICKET</span> <span class='op'>=</span> <span class='number'>0x00004000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_CISCO_ANYCONNECT</span> <span class='op'>=</span> <span class='number'>0x00008000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION</span> <span class='op'>=</span> <span class='number'>0x00010000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_COMPRESSION</span> <span class='op'>=</span> <span class='number'>0x00020000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION</span> <span class='op'>=</span> <span class='number'>0x00040000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_SINGLE_ECDH_USE</span> <span class='op'>=</span> <span class='number'>0x00080000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_SINGLE_DH_USE</span> <span class='op'>=</span> <span class='number'>0x00100000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_CIPHER_SERVER_PREFERENCE</span> <span class='op'>=</span> <span class='number'>0x00400000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_TLS_ROLLBACK_BUG</span> <span class='op'>=</span> <span class='number'>0x00800000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SSLV2</span> <span class='op'>=</span> <span class='number'>0x00000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_SSLV3</span> <span class='op'>=</span> <span class='number'>0x02000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TLSV1</span> <span class='op'>=</span> <span class='number'>0x04000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TLSV1_2</span> <span class='op'>=</span> <span class='number'>0x08000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_TLSV1_1</span> <span class='op'>=</span> <span class='number'>0x10000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_DTLSV1</span> <span class='op'>=</span> <span class='number'>0x04000000</span>, + <span class='kw'>const</span> <span class='ident'>SSL_OP_NO_DTLSV1_2</span> <span class='op'>=</span> <span class='number'>0x08000000</span> + } +} + +<span class='doccomment'>/// Determines the SSL method supported</span> +<span class='attribute'>#[<span class='ident'>allow</span>(<span class='ident'>non_camel_case_types</span>)]</span> +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>, <span class='ident'>Clone</span>, <span class='ident'>Debug</span>, <span class='ident'>Hash</span>, <span class='ident'>PartialEq</span>, <span class='ident'>Eq</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>SslMethod</span> { + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"sslv2"</span>)]</span> + <span class='doccomment'>/// Only support the SSLv2 protocol, requires the `sslv2` feature.</span> + <span class='ident'>Sslv2</span>, + <span class='doccomment'>/// Support the SSLv2, SSLv3 and TLSv1 protocols.</span> + <span class='ident'>Sslv23</span>, + <span class='doccomment'>/// Only support the SSLv3 protocol.</span> + <span class='ident'>Sslv3</span>, + <span class='doccomment'>/// Only support the TLSv1 protocol.</span> + <span class='ident'>Tlsv1</span>, + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"tlsv1_1"</span>)]</span> + <span class='doccomment'>/// Support TLSv1.1 protocol, requires the `tlsv1_1` feature.</span> + <span class='ident'>Tlsv1_1</span>, + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"tlsv1_2"</span>)]</span> + <span class='doccomment'>/// Support TLSv1.2 protocol, requires the `tlsv1_2` feature.</span> + <span class='ident'>Tlsv1_2</span>, + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1"</span>)]</span> + <span class='doccomment'>/// Support DTLSv1 protocol, requires the `dtlsv1` feature.</span> + <span class='ident'>Dtlsv1</span>, + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1_2"</span>)]</span> + <span class='doccomment'>/// Support DTLSv1.2 protocol, requires the `dtlsv1_2` feature.</span> + <span class='ident'>Dtlsv1_2</span>, +} + +<span class='kw'>impl</span> <span class='ident'>SslMethod</span> { + <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>to_raw</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_METHOD</span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"sslv2"</span>)]</span> + <span class='ident'>SslMethod</span>::<span class='ident'>Sslv2</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>SSLv2_method</span>(), + <span class='ident'>SslMethod</span>::<span class='ident'>Sslv3</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>SSLv3_method</span>(), + <span class='ident'>SslMethod</span>::<span class='ident'>Tlsv1</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>TLSv1_method</span>(), + <span class='ident'>SslMethod</span>::<span class='ident'>Sslv23</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>SSLv23_method</span>(), + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"tlsv1_1"</span>)]</span> + <span class='ident'>SslMethod</span>::<span class='ident'>Tlsv1_1</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>TLSv1_1_method</span>(), + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"tlsv1_2"</span>)]</span> + <span class='ident'>SslMethod</span>::<span class='ident'>Tlsv1_2</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>TLSv1_2_method</span>(), + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1"</span>)]</span> + <span class='ident'>SslMethod</span>::<span class='ident'>Dtlsv1</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>DTLSv1_method</span>(), + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1_2"</span>)]</span> + <span class='ident'>SslMethod</span>::<span class='ident'>Dtlsv1_2</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>DTLSv1_2_method</span>(), + } + } + + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1"</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_dtlsv1</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='op'>*</span><span class='self'>self</span> <span class='op'>==</span> <span class='ident'>SslMethod</span>::<span class='ident'>Dtlsv1</span> + } + + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1_2"</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_dtlsv1_2</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='op'>*</span><span class='self'>self</span> <span class='op'>==</span> <span class='ident'>SslMethod</span>::<span class='ident'>Dtlsv1_2</span> + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_dtls</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='self'>self</span>.<span class='ident'>is_dtlsv1</span>() <span class='op'>||</span> <span class='self'>self</span>.<span class='ident'>is_dtlsv1_2</span>() + } + + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>not</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1"</span>))]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_dtlsv1</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='boolval'>false</span> + } + + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>not</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"dtlsv1_2"</span>))]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_dtlsv1_2</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='boolval'>false</span> + } +} + +<span class='doccomment'>/// Determines the type of certificate verification used</span> +<span class='macro'>bitflags</span><span class='macro'>!</span> { + <span class='ident'>flags</span> <span class='ident'>SslVerifyMode</span>: <span class='ident'>i32</span> { + <span class='doccomment'>/// Verify that the server's certificate is trusted</span> + <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_PEER</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_VERIFY_PEER</span>, + <span class='doccomment'>/// Do not verify the server's certificate</span> + <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_NONE</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_VERIFY_NONE</span>, + <span class='doccomment'>/// Terminate handshake if client did not return a certificate.</span> + <span class='doccomment'>/// Use together with SSL_VERIFY_PEER.</span> + <span class='kw'>const</span> <span class='ident'>SSL_VERIFY_FAIL_IF_NO_PEER_CERT</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_VERIFY_FAIL_IF_NO_PEER_CERT</span>, + } +} + +<span class='macro'>lazy_static</span><span class='macro'>!</span> { + <span class='kw'>static</span> <span class='kw-2'>ref</span> <span class='ident'>INDEXES</span>: <span class='ident'>Mutex</span><span class='op'><</span><span class='ident'>HashMap</span><span class='op'><</span><span class='ident'>TypeId</span>, <span class='ident'>c_int</span><span class='op'>>></span> <span class='op'>=</span> <span class='ident'>Mutex</span>::<span class='ident'>new</span>(<span class='ident'>HashMap</span>::<span class='ident'>new</span>()); +} + +<span class='comment'>// Creates a static index for user data of type T</span> +<span class='comment'>// Registers a destructor for the data which will be called</span> +<span class='comment'>// when context is freed</span> +<span class='kw'>fn</span> <span class='ident'>get_verify_data_idx</span><span class='op'><</span><span class='ident'>T</span>: <span class='ident'>Any</span> <span class='op'>+</span> <span class='lifetime'>'static</span><span class='op'>></span>() <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>free_data_box</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(<span class='ident'>_parent</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ptr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, + <span class='ident'>_ad</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_EX_DATA</span>, <span class='ident'>_idx</span>: <span class='ident'>c_int</span>, + <span class='ident'>_argl</span>: <span class='ident'>c_long</span>, <span class='ident'>_argp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) { + <span class='kw'>if</span> <span class='ident'>ptr</span> <span class='op'>!=</span> <span class='number'>0</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> _ { + <span class='kw'>let</span> _: <span class='ident'>Box</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>ptr</span>) }; + } + } + + <span class='op'>*</span><span class='ident'>INDEXES</span>.<span class='ident'>lock</span>().<span class='ident'>unwrap</span>().<span class='ident'>entry</span>(<span class='ident'>TypeId</span>::<span class='ident'>of</span>::<span class='op'><</span><span class='ident'>T</span><span class='op'>></span>()).<span class='ident'>or_insert_with</span>(<span class='op'>||</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>f</span>: <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_EX_free</span> <span class='op'>=</span> <span class='ident'>free_data_box</span>::<span class='op'><</span><span class='ident'>T</span><span class='op'>></span>; + <span class='kw'>let</span> <span class='ident'>idx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_new_index</span>(<span class='number'>0</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>(), <span class='prelude-val'>None</span>, <span class='prelude-val'>None</span>, <span class='prelude-val'>Some</span>(<span class='ident'>f</span>)); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>idx</span> <span class='op'>>=</span> <span class='number'>0</span>); + <span class='ident'>idx</span> + } + }) +} + +<span class='doccomment'>/// Creates a static index for the list of NPN protocols.</span> +<span class='doccomment'>/// Registers a destructor for the data which will be called</span> +<span class='doccomment'>/// when the context is freed.</span> +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> +<span class='kw'>fn</span> <span class='ident'>get_npn_protos_idx</span>() <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>NPN_PROTOS_IDX</span>: <span class='ident'>c_int</span> <span class='op'>=</span> <span class='op'>-</span><span class='number'>1</span>; + <span class='kw'>static</span> <span class='kw-2'>mut</span> <span class='ident'>INIT</span>: <span class='ident'>Once</span> <span class='op'>=</span> <span class='ident'>ONCE_INIT</span>; + + <span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>free_data_box</span>(<span class='ident'>_parent</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>ptr</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, + <span class='ident'>_ad</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_EX_DATA</span>, <span class='ident'>_idx</span>: <span class='ident'>c_int</span>, + <span class='ident'>_argl</span>: <span class='ident'>c_long</span>, <span class='ident'>_argp</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) { + <span class='kw'>if</span> <span class='op'>!</span><span class='ident'>ptr</span>.<span class='ident'>is_null</span>() { + <span class='kw'>let</span> _: <span class='ident'>Box</span><span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>>></span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>ptr</span>) }; + } + } + + <span class='kw'>unsafe</span> { + <span class='ident'>INIT</span>.<span class='ident'>call_once</span>(<span class='op'>||</span> { + <span class='kw'>let</span> <span class='ident'>f</span>: <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_EX_free</span> <span class='op'>=</span> <span class='ident'>free_data_box</span>; + <span class='kw'>let</span> <span class='ident'>idx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_new_index</span>(<span class='number'>0</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>(), <span class='prelude-val'>None</span>, + <span class='prelude-val'>None</span>, <span class='prelude-val'>Some</span>(<span class='ident'>f</span>)); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>idx</span> <span class='op'>>=</span> <span class='number'>0</span>); + <span class='ident'>NPN_PROTOS_IDX</span> <span class='op'>=</span> <span class='ident'>idx</span>; + }); + <span class='ident'>NPN_PROTOS_IDX</span> + } +} + +<span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>raw_verify</span>(<span class='ident'>preverify_ok</span>: <span class='ident'>c_int</span>, <span class='ident'>x509_ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX</span>) + <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>idx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_ex_data_X509_STORE_CTX_idx</span>(); + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX_get_ex_data</span>(<span class='ident'>x509_ctx</span>, <span class='ident'>idx</span>); + <span class='kw'>let</span> <span class='ident'>ssl_ctx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_SSL_CTX</span>(<span class='ident'>ssl</span>); + <span class='kw'>let</span> <span class='ident'>verify</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ssl_ctx</span>, <span class='ident'>VERIFY_IDX</span>); + <span class='kw'>let</span> <span class='ident'>verify</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>VerifyCallback</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>verify</span>); + + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='ident'>X509StoreContext</span>::<span class='ident'>new</span>(<span class='ident'>x509_ctx</span>); + + <span class='kw'>match</span> <span class='ident'>verify</span> { + <span class='prelude-val'>None</span> <span class='op'>=></span> <span class='ident'>preverify_ok</span>, + <span class='prelude-val'>Some</span>(<span class='ident'>verify</span>) <span class='op'>=></span> <span class='ident'>verify</span>(<span class='ident'>preverify_ok</span> <span class='op'>!=</span> <span class='number'>0</span>, <span class='kw-2'>&</span><span class='ident'>ctx</span>) <span class='kw'>as</span> <span class='ident'>c_int</span> + } + } +} + +<span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>raw_verify_with_data</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(<span class='ident'>preverify_ok</span>: <span class='ident'>c_int</span>, + <span class='ident'>x509_ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX</span>) <span class='op'>-></span> <span class='ident'>c_int</span> + <span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>Any</span> <span class='op'>+</span> <span class='lifetime'>'static</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>idx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_ex_data_X509_STORE_CTX_idx</span>(); + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX_get_ex_data</span>(<span class='ident'>x509_ctx</span>, <span class='ident'>idx</span>); + <span class='kw'>let</span> <span class='ident'>ssl_ctx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_SSL_CTX</span>(<span class='ident'>ssl</span>); + + <span class='kw'>let</span> <span class='ident'>verify</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ssl_ctx</span>, <span class='ident'>VERIFY_IDX</span>); + <span class='kw'>let</span> <span class='ident'>verify</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>VerifyCallbackData</span><span class='op'><</span><span class='ident'>T</span><span class='op'>>></span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>verify</span>); + + <span class='kw'>let</span> <span class='ident'>data</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ssl_ctx</span>, <span class='ident'>get_verify_data_idx</span>::<span class='op'><</span><span class='ident'>T</span><span class='op'>></span>()); + <span class='kw'>let</span> <span class='ident'>data</span>: <span class='ident'>Box</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>data</span>); + + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='ident'>X509StoreContext</span>::<span class='ident'>new</span>(<span class='ident'>x509_ctx</span>); + + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>verify</span> { + <span class='prelude-val'>None</span> <span class='op'>=></span> <span class='ident'>preverify_ok</span>, + <span class='prelude-val'>Some</span>(<span class='ident'>verify</span>) <span class='op'>=></span> <span class='ident'>verify</span>(<span class='ident'>preverify_ok</span> <span class='op'>!=</span> <span class='number'>0</span>, <span class='kw-2'>&</span><span class='ident'>ctx</span>, <span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>data</span>) <span class='kw'>as</span> <span class='ident'>c_int</span> + }; + + <span class='comment'>// Since data might be required on the next verification</span> + <span class='comment'>// it is time to forget about it and avoid dropping</span> + <span class='comment'>// data will be freed once OpenSSL considers it is time</span> + <span class='comment'>// to free all context data</span> + <span class='ident'>mem</span>::<span class='ident'>forget</span>(<span class='ident'>data</span>); + <span class='ident'>res</span> + } +} + +<span class='doccomment'>/// The function is given as the callback to `SSL_CTX_set_next_proto_select_cb`.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// It chooses the protocol that the client wishes to use, out of the given list of protocols</span> +<span class='doccomment'>/// supported by the server. It achieves this by delegating to the `SSL_select_next_proto`</span> +<span class='doccomment'>/// function. The list of protocols supported by the client is found in the extra data of the</span> +<span class='doccomment'>/// OpenSSL context.</span> +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> +<span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>raw_next_proto_select_cb</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>SSL</span>, + <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uchar</span>, + <span class='ident'>inbuf</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>inlen</span>: <span class='ident'>c_uint</span>, + <span class='ident'>_arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>unsafe</span> { + <span class='comment'>// First, get the list of protocols (that the client should support) saved in the context</span> + <span class='comment'>// extra data.</span> + <span class='kw'>let</span> <span class='ident'>ssl_ctx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_SSL_CTX</span>(<span class='ident'>ssl</span>); + <span class='kw'>let</span> <span class='ident'>protocols</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ssl_ctx</span>, <span class='ident'>get_npn_protos_idx</span>()); + <span class='kw'>let</span> <span class='ident'>protocols</span>: <span class='kw-2'>&</span><span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>protocols</span>); + <span class='comment'>// Prepare the client list parameters to be passed to the OpenSSL function...</span> + <span class='kw'>let</span> <span class='ident'>client</span> <span class='op'>=</span> <span class='ident'>protocols</span>.<span class='ident'>as_ptr</span>(); + <span class='kw'>let</span> <span class='ident'>client_len</span> <span class='op'>=</span> <span class='ident'>protocols</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>c_uint</span>; + <span class='comment'>// Finally, let OpenSSL find a protocol to be used, by matching the given server and</span> + <span class='comment'>// client lists.</span> + <span class='ident'>ffi</span>::<span class='ident'>SSL_select_next_proto</span>(<span class='ident'>out</span>, <span class='ident'>outlen</span>, <span class='ident'>inbuf</span>, <span class='ident'>inlen</span>, <span class='ident'>client</span>, <span class='ident'>client_len</span>); + } + + <span class='ident'>ffi</span>::<span class='ident'>SSL_TLSEXT_ERR_OK</span> +} + +<span class='doccomment'>/// The function is given as the callback to `SSL_CTX_set_next_protos_advertised_cb`.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// It causes the parameter `out` to point at a `*const c_uchar` instance that</span> +<span class='doccomment'>/// represents the list of protocols that the server should advertise as those</span> +<span class='doccomment'>/// that it supports.</span> +<span class='doccomment'>/// The list of supported protocols is found in the extra data of the OpenSSL</span> +<span class='doccomment'>/// context.</span> +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> +<span class='kw'>extern</span> <span class='kw'>fn</span> <span class='ident'>raw_next_protos_advertise_cb</span>(<span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>SSL</span>, + <span class='ident'>out</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span>, <span class='ident'>outlen</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_uint</span>, + <span class='ident'>_arg</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>unsafe</span> { + <span class='comment'>// First, get the list of (supported) protocols saved in the context extra data.</span> + <span class='kw'>let</span> <span class='ident'>ssl_ctx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_SSL_CTX</span>(<span class='ident'>ssl</span>); + <span class='kw'>let</span> <span class='ident'>protocols</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_ex_data</span>(<span class='ident'>ssl_ctx</span>, <span class='ident'>get_npn_protos_idx</span>()); + <span class='kw'>if</span> <span class='ident'>protocols</span>.<span class='ident'>is_null</span>() { + <span class='op'>*</span><span class='ident'>out</span> <span class='op'>=</span> <span class='string'>b""</span>.<span class='ident'>as_ptr</span>(); + <span class='op'>*</span><span class='ident'>outlen</span> <span class='op'>=</span> <span class='number'>0</span>; + } <span class='kw'>else</span> { + <span class='comment'>// If the pointer is valid, put the pointer to the actual byte array into the</span> + <span class='comment'>// output parameter `out`, as well as its length into `outlen`.</span> + <span class='kw'>let</span> <span class='ident'>protocols</span>: <span class='kw-2'>&</span><span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>protocols</span>); + <span class='op'>*</span><span class='ident'>out</span> <span class='op'>=</span> <span class='ident'>protocols</span>.<span class='ident'>as_ptr</span>(); + <span class='op'>*</span><span class='ident'>outlen</span> <span class='op'>=</span> <span class='ident'>protocols</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>c_uint</span>; + } + } + + <span class='ident'>ffi</span>::<span class='ident'>SSL_TLSEXT_ERR_OK</span> +} + +<span class='doccomment'>/// The signature of functions that can be used to manually verify certificates</span> +<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>VerifyCallback</span> <span class='op'>=</span> <span class='kw'>fn</span>(<span class='ident'>preverify_ok</span>: <span class='ident'>bool</span>, + <span class='ident'>x509_ctx</span>: <span class='kw-2'>&</span><span class='ident'>X509StoreContext</span>) <span class='op'>-></span> <span class='ident'>bool</span>; + +<span class='doccomment'>/// The signature of functions that can be used to manually verify certificates</span> +<span class='doccomment'>/// when user-data should be carried for all verification process</span> +<span class='kw'>pub</span> <span class='kw'>type</span> <span class='ident'>VerifyCallbackData</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span> <span class='op'>=</span> <span class='kw'>fn</span>(<span class='ident'>preverify_ok</span>: <span class='ident'>bool</span>, + <span class='ident'>x509_ctx</span>: <span class='kw-2'>&</span><span class='ident'>X509StoreContext</span>, + <span class='ident'>data</span>: <span class='kw-2'>&</span><span class='ident'>T</span>) <span class='op'>-></span> <span class='ident'>bool</span>; + +<span class='comment'>// FIXME: macro may be instead of inlining?</span> +<span class='attribute'>#[<span class='ident'>inline</span>]</span> +<span class='kw'>fn</span> <span class='ident'>wrap_ssl_result</span>(<span class='ident'>res</span>: <span class='ident'>c_int</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>if</span> <span class='ident'>res</span> <span class='op'>==</span> <span class='number'>0</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Ok</span>(()) + } +} + +<span class='doccomment'>/// An SSL context object</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SslContext</span> { + <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX</span> +} + +<span class='kw'>unsafe</span> <span class='kw'>impl</span> <span class='ident'>Send</span> <span class='kw'>for</span> <span class='ident'>SslContext</span> {} +<span class='kw'>unsafe</span> <span class='kw'>impl</span> <span class='ident'>Sync</span> <span class='kw'>for</span> <span class='ident'>SslContext</span> {} + +<span class='comment'>// TODO: add useful info here</span> +<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>SslContext</span> { + <span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> { + <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"SslContext"</span>) + } +} + +<span class='kw'>impl</span> <span class='ident'>Drop</span> <span class='kw'>for</span> <span class='ident'>SslContext</span> { + <span class='kw'>fn</span> <span class='ident'>drop</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) { + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_free</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>) } + } +} + +<span class='kw'>impl</span> <span class='ident'>SslContext</span> { + <span class='doccomment'>/// Creates a new SSL context.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>method</span>: <span class='ident'>SslMethod</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslContext</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>init</span>(); + + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_new</span>(<span class='ident'>method</span>.<span class='ident'>to_raw</span>()) }; + <span class='kw'>if</span> <span class='ident'>ctx</span> <span class='op'>==</span> <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>() { + <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()); + } + + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='ident'>SslContext</span> { <span class='ident'>ctx</span>: <span class='ident'>ctx</span> }; + + <span class='kw'>if</span> <span class='ident'>method</span>.<span class='ident'>is_dtls</span>() { + <span class='ident'>ctx</span>.<span class='ident'>set_read_ahead</span>(<span class='number'>1</span>); + } + + <span class='prelude-val'>Ok</span>(<span class='ident'>ctx</span>) + } + + <span class='doccomment'>/// Configures the certificate verification method for new connections.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_verify</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>mode</span>: <span class='ident'>SslVerifyMode</span>, + <span class='ident'>verify</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>VerifyCallback</span><span class='op'>></span>) { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_ex_data</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>VERIFY_IDX</span>, + <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>verify</span>)); + <span class='kw'>let</span> <span class='ident'>f</span>: <span class='kw'>extern</span> <span class='kw'>fn</span>(<span class='ident'>c_int</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX</span>) <span class='op'>-></span> <span class='ident'>c_int</span> <span class='op'>=</span> + <span class='ident'>raw_verify</span>; + + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_verify</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>mode</span>.<span class='ident'>bits</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='prelude-val'>Some</span>(<span class='ident'>f</span>)); + } + } + + <span class='doccomment'>/// Configures the certificate verification method for new connections also</span> + <span class='doccomment'>/// carrying supplied data.</span> + <span class='comment'>// Note: no option because there is no point to set data without providing</span> + <span class='comment'>// a function handling it</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_verify_with_data</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>mode</span>: <span class='ident'>SslVerifyMode</span>, + <span class='ident'>verify</span>: <span class='ident'>VerifyCallbackData</span><span class='op'><</span><span class='ident'>T</span><span class='op'>></span>, + <span class='ident'>data</span>: <span class='ident'>T</span>) + <span class='kw'>where</span> <span class='ident'>T</span>: <span class='ident'>Any</span> <span class='op'>+</span> <span class='lifetime'>'static</span> { + <span class='kw'>let</span> <span class='ident'>data</span> <span class='op'>=</span> <span class='ident'>Box</span>::<span class='ident'>new</span>(<span class='ident'>data</span>); + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_ex_data</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>VERIFY_IDX</span>, + <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='prelude-val'>Some</span>(<span class='ident'>verify</span>))); + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_ex_data</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>get_verify_data_idx</span>::<span class='op'><</span><span class='ident'>T</span><span class='op'>></span>(), + <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>data</span>)); + <span class='kw'>let</span> <span class='ident'>f</span>: <span class='kw'>extern</span> <span class='kw'>fn</span>(<span class='ident'>c_int</span>, <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>X509_STORE_CTX</span>) <span class='op'>-></span> <span class='ident'>c_int</span> <span class='op'>=</span> + <span class='ident'>raw_verify_with_data</span>::<span class='op'><</span><span class='ident'>T</span><span class='op'>></span>; + + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_verify</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>mode</span>.<span class='ident'>bits</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='prelude-val'>Some</span>(<span class='ident'>f</span>)); + } + } + + <span class='doccomment'>/// Sets verification depth</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_verify_depth</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>depth</span>: <span class='ident'>u32</span>) { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_verify_depth</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>depth</span> <span class='kw'>as</span> <span class='ident'>c_int</span>); + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_read_ahead</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>m</span>: <span class='ident'>u32</span>) { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_read_ahead</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>m</span> <span class='kw'>as</span> <span class='ident'>c_long</span>); + } + } + + <span class='attribute'>#[<span class='ident'>allow</span>(<span class='ident'>non_snake_case</span>)]</span> + <span class='doccomment'>/// Specifies the file that contains trusted CA certificates.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_CA_file</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>file</span>: <span class='ident'>P</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>file</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>file</span>.<span class='ident'>as_ref</span>().<span class='ident'>as_os_str</span>().<span class='ident'>to_str</span>().<span class='ident'>expect</span>(<span class='string'>"invalid utf8"</span>)).<span class='ident'>unwrap</span>(); + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_load_verify_locations</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>file</span>.<span class='ident'>as_ptr</span>(), <span class='ident'>ptr</span>::<span class='ident'>null</span>()) + }) + } + + <span class='doccomment'>/// Specifies the file that contains certificate</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_certificate_file</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>file</span>: <span class='ident'>P</span>, <span class='ident'>file_type</span>: <span class='ident'>X509FileType</span>) + <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>file</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>file</span>.<span class='ident'>as_ref</span>().<span class='ident'>as_os_str</span>().<span class='ident'>to_str</span>().<span class='ident'>expect</span>(<span class='string'>"invalid utf8"</span>)).<span class='ident'>unwrap</span>(); + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_use_certificate_file</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>file</span>.<span class='ident'>as_ptr</span>(), <span class='ident'>file_type</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) + }) + } + + <span class='doccomment'>/// Specifies the certificate</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_certificate</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cert</span>: <span class='kw-2'>&</span><span class='ident'>X509</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_use_certificate</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>cert</span>.<span class='ident'>get_handle</span>()) + }) + } + + <span class='doccomment'>/// Adds a certificate to the certificate chain presented together with the</span> + <span class='doccomment'>/// certificate specified using set_certificate()</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>add_extra_chain_cert</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cert</span>: <span class='kw-2'>&</span><span class='ident'>X509</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_add_extra_chain_cert</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>cert</span>.<span class='ident'>get_handle</span>()) <span class='kw'>as</span> <span class='ident'>c_int</span> + }) + } + + <span class='doccomment'>/// Specifies the file that contains private key</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_private_key_file</span><span class='op'><</span><span class='ident'>P</span>: <span class='ident'>AsRef</span><span class='op'><</span><span class='ident'>Path</span><span class='op'>>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>file</span>: <span class='ident'>P</span>, + <span class='ident'>file_type</span>: <span class='ident'>X509FileType</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>file</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>file</span>.<span class='ident'>as_ref</span>().<span class='ident'>as_os_str</span>().<span class='ident'>to_str</span>().<span class='ident'>expect</span>(<span class='string'>"invalid utf8"</span>)).<span class='ident'>unwrap</span>(); + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_use_PrivateKey_file</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>file</span>.<span class='ident'>as_ptr</span>(), <span class='ident'>file_type</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) + }) + } + + <span class='doccomment'>/// Specifies the private key</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_private_key</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>key</span>: <span class='kw-2'>&</span><span class='ident'>PKey</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_use_PrivateKey</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>key</span>.<span class='ident'>get_handle</span>()) + }) + } + + <span class='doccomment'>/// Check consistency of private key and certificate</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>check_private_key</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_check_private_key</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_cipher_list</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>cipher_list</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(),<span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>wrap_ssl_result</span>( + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>cipher_list</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>cipher_list</span>.<span class='ident'>as_bytes</span>()).<span class='ident'>unwrap</span>(); + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_cipher_list</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>cipher_list</span>.<span class='ident'>as_ptr</span>()) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_options</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>option</span>: <span class='ident'>SslContextOptions</span>) <span class='op'>-></span> <span class='ident'>SslContextOptions</span> { + <span class='kw'>let</span> <span class='ident'>raw_bits</span> <span class='op'>=</span> <span class='ident'>option</span>.<span class='ident'>bits</span>(); + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_options</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>raw_bits</span>) + }; + <span class='ident'>SslContextOptions</span>::<span class='ident'>from_bits</span>(<span class='ident'>ret</span>).<span class='ident'>unwrap</span>() + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_options</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>SslContextOptions</span> { + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_get_options</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>) + }; + <span class='ident'>SslContextOptions</span>::<span class='ident'>from_bits</span>(<span class='ident'>ret</span>).<span class='ident'>unwrap</span>() + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>clear_options</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>option</span>: <span class='ident'>SslContextOptions</span>) <span class='op'>-></span> <span class='ident'>SslContextOptions</span> { + <span class='kw'>let</span> <span class='ident'>raw_bits</span> <span class='op'>=</span> <span class='ident'>option</span>.<span class='ident'>bits</span>(); + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_clear_options</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>raw_bits</span>) + }; + <span class='ident'>SslContextOptions</span>::<span class='ident'>from_bits</span>(<span class='ident'>ret</span>).<span class='ident'>unwrap</span>() + } + + <span class='doccomment'>/// Set the protocols to be used during Next Protocol Negotiation (the protocols</span> + <span class='doccomment'>/// supported by the application).</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This method needs the `npn` feature.</span> + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_npn_protocols</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>protocols</span>: <span class='kw-2'>&</span>[<span class='kw-2'>&</span>[<span class='ident'>u8</span>]]) { + <span class='comment'>// Firstly, convert the list of protocols to a byte-array that can be passed to OpenSSL</span> + <span class='comment'>// APIs -- a list of length-prefixed strings.</span> + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>npn_protocols</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>new</span>(); + <span class='kw'>for</span> <span class='ident'>protocol</span> <span class='kw'>in</span> <span class='ident'>protocols</span> { + <span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='ident'>protocol</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>u8</span>; + <span class='ident'>npn_protocols</span>.<span class='ident'>push</span>(<span class='ident'>len</span>); + <span class='comment'>// If the length is greater than the max `u8`, this truncates the protocol name.</span> + <span class='ident'>npn_protocols</span>.<span class='ident'>extend</span>(<span class='ident'>protocol</span>[..<span class='ident'>len</span> <span class='kw'>as</span> <span class='ident'>usize</span>].<span class='ident'>to_vec</span>()); + } + <span class='kw'>let</span> <span class='ident'>protocols</span>: <span class='ident'>Box</span><span class='op'><</span><span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>>></span> <span class='op'>=</span> <span class='ident'>Box</span>::<span class='ident'>new</span>(<span class='ident'>npn_protocols</span>); + + <span class='kw'>unsafe</span> { + <span class='comment'>// Attach the protocol list to the OpenSSL context structure,</span> + <span class='comment'>// so that we can refer to it within the callback.</span> + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_ex_data</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>get_npn_protos_idx</span>(), + <span class='ident'>mem</span>::<span class='ident'>transmute</span>(<span class='ident'>protocols</span>)); + <span class='comment'>// Now register the callback that performs the default protocol</span> + <span class='comment'>// matching based on the client-supported list of protocols that</span> + <span class='comment'>// has been saved.</span> + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_next_proto_select_cb</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>raw_next_proto_select_cb</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); + <span class='comment'>// Also register the callback to advertise these protocols, if a server socket is</span> + <span class='comment'>// created with the context.</span> + <span class='ident'>ffi</span>::<span class='ident'>SSL_CTX_set_next_protos_advertised_cb</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>raw_next_protos_advertise_cb</span>, <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); + } + } +} + +<span class='attribute'>#[<span class='ident'>allow</span>(<span class='ident'>dead_code</span>)]</span> +<span class='kw'>struct</span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'ssl</span><span class='op'>></span> { + <span class='ident'>ssl</span>: <span class='kw-2'>&</span><span class='lifetime'>'ssl</span> <span class='ident'>Ssl</span>, + <span class='ident'>bio</span>: <span class='ident'>MemBio</span>, +} + +<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'ssl</span><span class='op'>></span> <span class='ident'>Deref</span> <span class='kw'>for</span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'ssl</span><span class='op'>></span> { + <span class='kw'>type</span> <span class='ident'>Target</span> <span class='op'>=</span> <span class='ident'>MemBio</span>; + + <span class='kw'>fn</span> <span class='ident'>deref</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>MemBio</span> { + <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>bio</span> + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'ssl</span><span class='op'>></span> <span class='ident'>DerefMut</span> <span class='kw'>for</span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'ssl</span><span class='op'>></span> { + <span class='kw'>fn</span> <span class='ident'>deref_mut</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>MemBio</span> { + <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>bio</span> + } +} + +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Ssl</span> { + <span class='ident'>ssl</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>SSL</span> +} + +<span class='kw'>unsafe</span> <span class='kw'>impl</span> <span class='ident'>Send</span> <span class='kw'>for</span> <span class='ident'>Ssl</span> {} +<span class='kw'>unsafe</span> <span class='kw'>impl</span> <span class='ident'>Sync</span> <span class='kw'>for</span> <span class='ident'>Ssl</span> {} + +<span class='comment'>// TODO: put useful information here</span> +<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>Ssl</span> { + <span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> { + <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"Ssl"</span>) + } +} + +<span class='kw'>impl</span> <span class='ident'>Drop</span> <span class='kw'>for</span> <span class='ident'>Ssl</span> { + <span class='kw'>fn</span> <span class='ident'>drop</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) { + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_free</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>) } + } +} + +<span class='kw'>impl</span> <span class='ident'>Ssl</span> { + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>ctx</span>: <span class='kw-2'>&</span><span class='ident'>SslContext</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>Ssl</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_new</span>(<span class='ident'>ctx</span>.<span class='ident'>ctx</span>) }; + <span class='kw'>if</span> <span class='ident'>ssl</span> <span class='op'>==</span> <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>() { + <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()); + } + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='ident'>Ssl</span> { <span class='ident'>ssl</span>: <span class='ident'>ssl</span> }; + + <span class='kw'>let</span> <span class='ident'>rbio</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>MemBio</span>::<span class='ident'>new</span>()); + <span class='kw'>let</span> <span class='ident'>wbio</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>MemBio</span>::<span class='ident'>new</span>()); + + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_set_bio</span>(<span class='ident'>ssl</span>.<span class='ident'>ssl</span>, <span class='ident'>rbio</span>.<span class='ident'>unwrap</span>(), <span class='ident'>wbio</span>.<span class='ident'>unwrap</span>()) } + <span class='prelude-val'>Ok</span>(<span class='ident'>ssl</span>) + } + + <span class='kw'>fn</span> <span class='ident'>get_rbio</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { <span class='self'>self</span>.<span class='ident'>wrap_bio</span>(<span class='ident'>ffi</span>::<span class='ident'>SSL_get_rbio</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>)) } + } + + <span class='kw'>fn</span> <span class='ident'>get_wbio</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { <span class='self'>self</span>.<span class='ident'>wrap_bio</span>(<span class='ident'>ffi</span>::<span class='ident'>SSL_get_wbio</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>)) } + } + + <span class='kw'>fn</span> <span class='ident'>wrap_bio</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='self'>self</span>, <span class='ident'>bio</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>BIO</span>) <span class='op'>-></span> <span class='ident'>MemBioRef</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> { + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>bio</span> <span class='op'>!=</span> <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); + <span class='ident'>MemBioRef</span> { + <span class='ident'>ssl</span>: <span class='self'>self</span>, + <span class='ident'>bio</span>: <span class='ident'>MemBio</span>::<span class='ident'>borrowed</span>(<span class='ident'>bio</span>) + } + } + + <span class='kw'>fn</span> <span class='ident'>connect</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_connect</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>) } + } + + <span class='kw'>fn</span> <span class='ident'>accept</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_accept</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>) } + } + + <span class='kw'>fn</span> <span class='ident'>read</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> [<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='ident'>cmp</span>::<span class='ident'>min</span>(<span class='ident'>c_int</span>::<span class='ident'>max_value</span>() <span class='kw'>as</span> <span class='ident'>usize</span>, <span class='ident'>buf</span>.<span class='ident'>len</span>()) <span class='kw'>as</span> <span class='ident'>c_int</span>; + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_read</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>, <span class='ident'>buf</span>.<span class='ident'>as_ptr</span>() <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>, <span class='ident'>len</span>) } + } + + <span class='kw'>fn</span> <span class='ident'>write</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='ident'>cmp</span>::<span class='ident'>min</span>(<span class='ident'>c_int</span>::<span class='ident'>max_value</span>() <span class='kw'>as</span> <span class='ident'>usize</span>, <span class='ident'>buf</span>.<span class='ident'>len</span>()) <span class='kw'>as</span> <span class='ident'>c_int</span>; + <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_write</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>, <span class='ident'>buf</span>.<span class='ident'>as_ptr</span>() <span class='kw'>as</span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_void</span>, <span class='ident'>len</span>) } + } + + <span class='kw'>fn</span> <span class='ident'>get_error</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>ret</span>: <span class='ident'>c_int</span>) <span class='op'>-></span> <span class='ident'>LibSslError</span> { + <span class='kw'>let</span> <span class='ident'>err</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_get_error</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>, <span class='ident'>ret</span>) }; + <span class='kw'>match</span> <span class='ident'>LibSslError</span>::<span class='ident'>from_i32</span>(<span class='ident'>err</span> <span class='kw'>as</span> <span class='ident'>i32</span>) { + <span class='prelude-val'>Some</span>(<span class='ident'>err</span>) <span class='op'>=></span> <span class='ident'>err</span>, + <span class='prelude-val'>None</span> <span class='op'>=></span> <span class='macro'>unreachable</span><span class='macro'>!</span>() + } + } + + <span class='doccomment'>/// Set the host name to be used with SNI (Server Name Indication).</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_hostname</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>hostname</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='comment'>// This is defined as a macro:</span> + <span class='comment'>// #define SSL_set_tlsext_host_name(s,name) \</span> + <span class='comment'>// SSL_ctrl(s,SSL_CTRL_SET_TLSEXT_HOSTNAME,TLSEXT_NAMETYPE_host_name,(char *)name)</span> + + <span class='kw'>let</span> <span class='ident'>hostname</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>hostname</span>.<span class='ident'>as_bytes</span>()).<span class='ident'>unwrap</span>(); + <span class='ident'>ffi</span>::<span class='ident'>SSL_ctrl</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>, <span class='ident'>ffi</span>::<span class='ident'>SSL_CTRL_SET_TLSEXT_HOSTNAME</span>, + <span class='ident'>ffi</span>::<span class='ident'>TLSEXT_NAMETYPE_host_name</span>, + <span class='ident'>hostname</span>.<span class='ident'>as_ptr</span>() <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>) + }; + + <span class='comment'>// For this case, 0 indicates failure.</span> + <span class='kw'>if</span> <span class='ident'>ret</span> <span class='op'>==</span> <span class='number'>0</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Ok</span>(()) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_peer_certificate</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>X509</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>ptr</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>SSL_get_peer_certificate</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>); + <span class='kw'>if</span> <span class='ident'>ptr</span>.<span class='ident'>is_null</span>() { + <span class='prelude-val'>None</span> + } <span class='kw'>else</span> { + <span class='prelude-val'>Some</span>(<span class='ident'>X509</span>::<span class='ident'>new</span>(<span class='ident'>ptr</span>, <span class='boolval'>true</span>)) + } + } + } + + <span class='doccomment'>/// Returns the protocol selected by performing Next Protocol Negotiation, if any.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The protocol's name is returned is an opaque sequence of bytes. It is up to the client</span> + <span class='doccomment'>/// to interpret it.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This method needs the `npn` feature.</span> + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_selected_npn_protocol</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span>[<span class='ident'>u8</span>]<span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>data</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>c_uchar</span> <span class='op'>=</span> <span class='ident'>ptr</span>::<span class='ident'>null</span>(); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>len</span>: <span class='ident'>c_uint</span> <span class='op'>=</span> <span class='number'>0</span>; + <span class='comment'>// Get the negotiated protocol from the SSL instance.</span> + <span class='comment'>// `data` will point at a `c_uchar` array; `len` will contain the length of this array.</span> + <span class='ident'>ffi</span>::<span class='ident'>SSL_get0_next_proto_negotiated</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>data</span>, <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>len</span>); + + <span class='kw'>if</span> <span class='ident'>data</span>.<span class='ident'>is_null</span>() { + <span class='prelude-val'>None</span> + } <span class='kw'>else</span> { + <span class='prelude-val'>Some</span>(<span class='ident'>slice</span>::<span class='ident'>from_raw_parts</span>(<span class='ident'>data</span>, <span class='ident'>len</span> <span class='kw'>as</span> <span class='ident'>usize</span>)) + } + } + } + + <span class='doccomment'>/// pending() takes into account only bytes from the TLS/SSL record that is currently being processed (if any).</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>pending</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>SSL_pending</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>) <span class='kw'>as</span> <span class='ident'>usize</span> + } + } +} + +<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>make_LibSslError</span> { + ($(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>variant</span>:<span class='ident'>ident</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>value</span>:<span class='ident'>ident</span>),<span class='op'>+</span>) <span class='op'>=></span> { + <span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>)]</span> + <span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>i32</span>)]</span> + <span class='kw'>enum</span> <span class='ident'>LibSslError</span> { + $(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>variant</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>value</span>),<span class='op'>+</span> + } + + <span class='kw'>impl</span> <span class='ident'>LibSslError</span> { + <span class='kw'>fn</span> <span class='ident'>from_i32</span>(<span class='ident'>val</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>LibSslError</span><span class='op'>></span> { + <span class='kw'>match</span> <span class='ident'>val</span> { + $(<span class='ident'>ffi</span>::<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>value</span> <span class='op'>=></span> <span class='prelude-val'>Some</span>(<span class='ident'>LibSslError</span>::<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>variant</span>),)<span class='op'>+</span> + _ <span class='op'>=></span> <span class='prelude-val'>None</span> + } + } + } + } +} + +<span class='macro'>make_LibSslError</span><span class='macro'>!</span> { + <span class='ident'>ErrorNone</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_NONE</span>, + <span class='ident'>ErrorSsl</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_SSL</span>, + <span class='ident'>ErrorWantRead</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_WANT_READ</span>, + <span class='ident'>ErrorWantWrite</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_WANT_WRITE</span>, + <span class='ident'>ErrorWantX509Lookup</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_WANT_X509_LOOKUP</span>, + <span class='ident'>ErrorSyscall</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_SYSCALL</span>, + <span class='ident'>ErrorZeroReturn</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_ZERO_RETURN</span>, + <span class='ident'>ErrorWantConnect</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_WANT_CONNECT</span>, + <span class='ident'>ErrorWantAccept</span> <span class='op'>=</span> <span class='ident'>SSL_ERROR_WANT_ACCEPT</span> +} + +<span class='doccomment'>/// A stream wrapper which handles SSL encryption for an underlying stream.</span> +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Clone</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> { + <span class='ident'>stream</span>: <span class='ident'>S</span>, + <span class='ident'>ssl</span>: <span class='ident'>Arc</span><span class='op'><</span><span class='ident'>Ssl</span><span class='op'>></span>, + <span class='ident'>buf</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> +} + +<span class='kw'>impl</span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>net</span>::<span class='ident'>TcpStream</span><span class='op'>></span> { + <span class='doccomment'>/// Create a new independently owned handle to the underlying socket.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>try_clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>net</span>::<span class='ident'>TcpStream</span><span class='op'>>></span> { + <span class='prelude-val'>Ok</span>(<span class='ident'>SslStream</span> { + <span class='ident'>stream</span>: <span class='macro'>try</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>stream</span>.<span class='ident'>try_clone</span>()), + <span class='ident'>ssl</span>: <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>clone</span>(), + <span class='ident'>buf</span>: <span class='self'>self</span>.<span class='ident'>buf</span>.<span class='ident'>clone</span>(), + }) + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>S</span>: <span class='ident'>fmt</span>::<span class='ident'>Debug</span> { + <span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>fmt</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> { + <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>fmt</span>, <span class='string'>"SslStream {{ stream: {:?}, ssl: {:?} }}"</span>, <span class='self'>self</span>.<span class='ident'>stream</span>, <span class='self'>self</span>.<span class='ident'>ssl</span>) + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span><span class='op'>></span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> { + <span class='kw'>fn</span> <span class='ident'>new_base</span>(<span class='ident'>ssl</span>:<span class='ident'>Ssl</span>, <span class='ident'>stream</span>: <span class='ident'>S</span>) <span class='op'>-></span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> { + <span class='ident'>SslStream</span> { + <span class='ident'>stream</span>: <span class='ident'>stream</span>, + <span class='ident'>ssl</span>: <span class='ident'>Arc</span>::<span class='ident'>new</span>(<span class='ident'>ssl</span>), + <span class='comment'>// Maximum TLS record size is 16k</span> + <span class='comment'>// We're just using this as a buffer, so there's no reason to pay</span> + <span class='comment'>// to memset it</span> + <span class='ident'>buf</span>: { + <span class='kw'>const</span> <span class='ident'>CAP</span>: <span class='ident'>usize</span> <span class='op'>=</span> <span class='number'>16</span> <span class='op'>*</span> <span class='number'>1024</span>; + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>v</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>with_capacity</span>(<span class='ident'>CAP</span>); + <span class='kw'>unsafe</span> { <span class='ident'>v</span>.<span class='ident'>set_len</span>(<span class='ident'>CAP</span>); } + <span class='ident'>v</span> + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new_server_from</span>(<span class='ident'>ssl</span>: <span class='ident'>Ssl</span>, <span class='ident'>stream</span>: <span class='ident'>S</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='ident'>SslStream</span>::<span class='ident'>new_base</span>(<span class='ident'>ssl</span>, <span class='ident'>stream</span>); + <span class='ident'>ssl</span>.<span class='ident'>in_retry_wrapper</span>(<span class='op'>|</span><span class='ident'>ssl</span><span class='op'>|</span> { <span class='ident'>ssl</span>.<span class='ident'>accept</span>() }).<span class='ident'>and</span>(<span class='prelude-val'>Ok</span>(<span class='ident'>ssl</span>)) + } + + <span class='doccomment'>/// Attempts to create a new SSL stream from a given `Ssl` instance.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new_from</span>(<span class='ident'>ssl</span>: <span class='ident'>Ssl</span>, <span class='ident'>stream</span>: <span class='ident'>S</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='ident'>SslStream</span>::<span class='ident'>new_base</span>(<span class='ident'>ssl</span>, <span class='ident'>stream</span>); + <span class='ident'>ssl</span>.<span class='ident'>in_retry_wrapper</span>(<span class='op'>|</span><span class='ident'>ssl</span><span class='op'>|</span> { <span class='ident'>ssl</span>.<span class='ident'>connect</span>() }).<span class='ident'>and</span>(<span class='prelude-val'>Ok</span>(<span class='ident'>ssl</span>)) + } + + <span class='doccomment'>/// Creates a new SSL stream</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>ctx</span>: <span class='kw-2'>&</span><span class='ident'>SslContext</span>, <span class='ident'>stream</span>: <span class='ident'>S</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>Ssl</span>::<span class='ident'>new</span>(<span class='ident'>ctx</span>)); + <span class='ident'>SslStream</span>::<span class='ident'>new_from</span>(<span class='ident'>ssl</span>, <span class='ident'>stream</span>) + } + + <span class='doccomment'>/// Creates a new SSL server stream</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new_server</span>(<span class='ident'>ctx</span>: <span class='kw-2'>&</span><span class='ident'>SslContext</span>, <span class='ident'>stream</span>: <span class='ident'>S</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>ssl</span> <span class='op'>=</span> <span class='macro'>try</span><span class='macro'>!</span>(<span class='ident'>Ssl</span>::<span class='ident'>new</span>(<span class='ident'>ctx</span>)); + <span class='ident'>SslStream</span>::<span class='ident'>new_server_from</span>(<span class='ident'>ssl</span>, <span class='ident'>stream</span>) + } + + <span class='attribute'>#[<span class='ident'>doc</span>(<span class='ident'>hidden</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_inner</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>S</span> { + <span class='self'>self</span>.<span class='ident'>get_mut</span>() + } + + <span class='doccomment'>/// Returns a reference to the underlying stream.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_ref</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>S</span> { + <span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>stream</span> + } + + <span class='doccomment'>/// Return the certificate of the peer</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_peer_certificate</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>X509</span><span class='op'>></span> { + <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_peer_certificate</span>() + } + + <span class='doccomment'>/// Returns a mutable reference to the underlying stream.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// ## Warning</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// It is inadvisable to read from or write to the underlying stream as it</span> + <span class='doccomment'>/// will most likely desynchronize the SSL session.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_mut</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>S</span> { + <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>stream</span> + } + + <span class='kw'>fn</span> <span class='ident'>in_retry_wrapper</span><span class='op'><</span><span class='ident'>F</span><span class='op'>></span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='kw-2'>mut</span> <span class='ident'>blk</span>: <span class='ident'>F</span>) + <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>c_int</span>, <span class='ident'>SslError</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>F</span>: <span class='ident'>FnMut</span>(<span class='kw-2'>&</span><span class='ident'>Ssl</span>) <span class='op'>-></span> <span class='ident'>c_int</span> { + <span class='kw'>loop</span> { + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> <span class='ident'>blk</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>ssl</span>); + <span class='kw'>if</span> <span class='ident'>ret</span> <span class='op'>></span> <span class='number'>0</span> { + <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='ident'>ret</span>); + } + + <span class='kw'>let</span> <span class='ident'>e</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_error</span>(<span class='ident'>ret</span>); + <span class='kw'>match</span> <span class='ident'>e</span> { + <span class='ident'>LibSslError</span>::<span class='ident'>ErrorWantRead</span> <span class='op'>=></span> { + <span class='macro'>try_ssl_stream</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>flush</span>()); + <span class='kw'>let</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='macro'>try_ssl_stream</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>stream</span>.<span class='ident'>read</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>buf</span>[..])); + <span class='kw'>if</span> <span class='ident'>len</span> <span class='op'>==</span> <span class='number'>0</span> { + <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_rbio</span>().<span class='ident'>set_eof</span>(<span class='boolval'>true</span>); + } <span class='kw'>else</span> { + <span class='macro'>try_ssl_stream</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_rbio</span>().<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='self'>self</span>.<span class='ident'>buf</span>[..<span class='ident'>len</span>])); + } + } + <span class='ident'>LibSslError</span>::<span class='ident'>ErrorWantWrite</span> <span class='op'>=></span> { <span class='macro'>try_ssl_stream</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>flush</span>()) } + <span class='ident'>LibSslError</span>::<span class='ident'>ErrorZeroReturn</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>SslSessionClosed</span>), + <span class='ident'>LibSslError</span>::<span class='ident'>ErrorSsl</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()), + <span class='ident'>LibSslError</span>::<span class='ident'>ErrorSyscall</span> <span class='kw'>if</span> <span class='ident'>ret</span> <span class='op'>==</span> <span class='number'>0</span> <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Ok</span>(<span class='number'>0</span>), + <span class='ident'>err</span> <span class='op'>=></span> <span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>"unexpected error {:?} with ret {}"</span>, <span class='ident'>err</span>, <span class='ident'>ret</span>), + } + } + } + + <span class='kw'>fn</span> <span class='ident'>write_through</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span>()<span class='op'>></span> { + <span class='ident'>io</span>::<span class='ident'>copy</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='op'>*</span><span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_wbio</span>(), <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>.<span class='ident'>stream</span>).<span class='ident'>map</span>(<span class='op'>|</span>_<span class='op'>|</span> ()) + } + + <span class='doccomment'>/// Get the compression currently in use. The result will be</span> + <span class='doccomment'>/// either None, indicating no compression is in use, or a string</span> + <span class='doccomment'>/// with the compression name.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_compression</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>String</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>ptr</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_get_current_compression</span>(<span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>ssl</span>) }; + <span class='kw'>if</span> <span class='ident'>ptr</span> <span class='op'>==</span> <span class='ident'>ptr</span>::<span class='ident'>null</span>() { + <span class='kw'>return</span> <span class='prelude-val'>None</span>; + } + + <span class='kw'>let</span> <span class='ident'>meth</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { <span class='ident'>ffi</span>::<span class='ident'>SSL_COMP_get_name</span>(<span class='ident'>ptr</span>) }; + <span class='kw'>let</span> <span class='ident'>s</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='ident'>String</span>::<span class='ident'>from_utf8</span>(<span class='ident'>CStr</span>::<span class='ident'>from_ptr</span>(<span class='ident'>meth</span>).<span class='ident'>to_bytes</span>().<span class='ident'>to_vec</span>()).<span class='ident'>unwrap</span>() + }; + + <span class='prelude-val'>Some</span>(<span class='ident'>s</span>) + } + + <span class='doccomment'>/// Returns the protocol selected by performing Next Protocol Negotiation, if any.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// The protocol's name is returned is an opaque sequence of bytes. It is up to the client</span> + <span class='doccomment'>/// to interpret it.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// This method needs the `npn` feature.</span> + <span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>feature</span> <span class='op'>=</span> <span class='string'>"npn"</span>)]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_selected_npn_protocol</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span>[<span class='ident'>u8</span>]<span class='op'>></span> { + <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>get_selected_npn_protocol</span>() + } + + <span class='doccomment'>/// pending() takes into account only bytes from the TLS/SSL record that is currently being processed (if any).</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>pending</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> { + <span class='self'>self</span>.<span class='ident'>ssl</span>.<span class='ident'>pending</span>() + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span><span class='op'>></span> <span class='ident'>Read</span> <span class='kw'>for</span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> { + <span class='kw'>fn</span> <span class='ident'>read</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> [<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { + <span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>in_retry_wrapper</span>(<span class='op'>|</span><span class='ident'>ssl</span><span class='op'>|</span> { <span class='ident'>ssl</span>.<span class='ident'>read</span>(<span class='ident'>buf</span>) }) { + <span class='prelude-val'>Ok</span>(<span class='ident'>len</span>) <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='ident'>len</span> <span class='kw'>as</span> <span class='ident'>usize</span>), + <span class='prelude-val'>Err</span>(<span class='ident'>SslSessionClosed</span>) <span class='op'>=></span> <span class='prelude-val'>Ok</span>(<span class='number'>0</span>), + <span class='prelude-val'>Err</span>(<span class='ident'>StreamError</span>(<span class='ident'>e</span>)) <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='ident'>e</span>), + <span class='prelude-val'>Err</span>(<span class='ident'>e</span> <span class='kw-2'>@</span> <span class='ident'>OpenSslErrors</span>(_)) <span class='op'>=></span> { + <span class='prelude-val'>Err</span>(<span class='ident'>io</span>::<span class='ident'>Error</span>::<span class='ident'>new</span>(<span class='ident'>io</span>::<span class='ident'>ErrorKind</span>::<span class='ident'>Other</span>, <span class='ident'>e</span>)) + } + } + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span><span class='op'>></span> <span class='ident'>Write</span> <span class='kw'>for</span> <span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> { + <span class='kw'>fn</span> <span class='ident'>write</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='ident'>count</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>in_retry_wrapper</span>(<span class='op'>|</span><span class='ident'>ssl</span><span class='op'>|</span> <span class='ident'>ssl</span>.<span class='ident'>write</span>(<span class='ident'>buf</span>)) { + <span class='prelude-val'>Ok</span>(<span class='ident'>len</span>) <span class='op'>=></span> <span class='ident'>len</span> <span class='kw'>as</span> <span class='ident'>usize</span>, + <span class='prelude-val'>Err</span>(<span class='ident'>SslSessionClosed</span>) <span class='op'>=></span> <span class='number'>0</span>, + <span class='prelude-val'>Err</span>(<span class='ident'>StreamError</span>(<span class='ident'>e</span>)) <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>e</span>), + <span class='prelude-val'>Err</span>(<span class='ident'>e</span> <span class='kw-2'>@</span> <span class='ident'>OpenSslErrors</span>(_)) <span class='op'>=></span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='ident'>io</span>::<span class='ident'>Error</span>::<span class='ident'>new</span>(<span class='ident'>io</span>::<span class='ident'>ErrorKind</span>::<span class='ident'>Other</span>, <span class='ident'>e</span>)), + }; + <span class='macro'>try</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>write_through</span>()); + <span class='prelude-val'>Ok</span>(<span class='ident'>count</span>) + } + + <span class='kw'>fn</span> <span class='ident'>flush</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span>()<span class='op'>></span> { + <span class='macro'>try</span><span class='macro'>!</span>(<span class='self'>self</span>.<span class='ident'>write_through</span>()); + <span class='self'>self</span>.<span class='ident'>stream</span>.<span class='ident'>flush</span>() + } +} + +<span class='doccomment'>/// A utility type to help in cases where the use of SSL is decided at runtime.</span> +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Debug</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>MaybeSslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span> { + <span class='doccomment'>/// A connection using SSL</span> + <span class='ident'>Ssl</span>(<span class='ident'>SslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span>), + <span class='doccomment'>/// A connection not using SSL</span> + <span class='ident'>Normal</span>(<span class='ident'>S</span>), +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='ident'>Read</span> <span class='kw'>for</span> <span class='ident'>MaybeSslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span> { + <span class='kw'>fn</span> <span class='ident'>read</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> [<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Ssl</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>read</span>(<span class='ident'>buf</span>), + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Normal</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>read</span>(<span class='ident'>buf</span>), + } + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='ident'>Write</span> <span class='kw'>for</span> <span class='ident'>MaybeSslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span> { + <span class='kw'>fn</span> <span class='ident'>write</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>buf</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>usize</span><span class='op'>></span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Ssl</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>write</span>(<span class='ident'>buf</span>), + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Normal</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>write</span>(<span class='ident'>buf</span>), + } + } + + <span class='kw'>fn</span> <span class='ident'>flush</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span>()<span class='op'>></span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Ssl</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>flush</span>(), + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Normal</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>flush</span>(), + } + } +} + +<span class='kw'>impl</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='ident'>MaybeSslStream</span><span class='op'><</span><span class='ident'>S</span><span class='op'>></span> <span class='kw'>where</span> <span class='ident'>S</span>: <span class='ident'>Read</span><span class='op'>+</span><span class='ident'>Write</span> { + <span class='doccomment'>/// Returns a reference to the underlying stream.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_ref</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='ident'>S</span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Ssl</span>(<span class='kw-2'>ref</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>get_ref</span>(), + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Normal</span>(<span class='kw-2'>ref</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>, + } + } + + <span class='doccomment'>/// Returns a mutable reference to the underlying stream.</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// ## Warning</span> + <span class='doccomment'>///</span> + <span class='doccomment'>/// It is inadvisable to read from or write to the underlying stream.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>get_mut</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>S</span> { + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Ssl</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>.<span class='ident'>get_mut</span>(), + <span class='ident'>MaybeSslStream</span>::<span class='ident'>Normal</span>(<span class='kw-2'>ref</span> <span class='kw-2'>mut</span> <span class='ident'>s</span>) <span class='op'>=></span> <span class='ident'>s</span>, + } + } +} +</pre> +</section> + 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