parallel-ref/mm-iot-sdk
1
0
Fork 0
mirror of https://github.com/buildwithparallel/mm-iot-sdk synced 2026-08-10 21:27:58 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions
mm-iot-sdk/framework/doc/html/sslclient_8c_source.html
Morse Micro 4f4eb7fc7a Morse Micro MM-IoT-SDK release 2.9.7 
This commit introduces version 2.9.7 of the Morse Micro MM-IoT-SDK
for ARM microcontroller base platforms.
2025-10-04 02:04:28 +10:00

479 lines
62 KiB
HTML
Raw Permalink Blame History

<!-- HTML header for doxygen 1.8.17-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.4"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Morse Micro IoT SDK: sslclient.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="style.css" rel="stylesheet" type="text/css"/>
<link rel="shortcut icon" href="favicon.svg" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="logo.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">Morse Micro IoT SDK
&#160;<span id="projectnumber">2.9.7</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.4 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
var searchBox = new SearchBox("searchBox", "search",'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
$(document).ready(function(){initNavTree('sslclient_8c_source.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle"><div class="title">sslclient.c</div></div>
</div><!--header-->
<div class="contents">
<a href="sslclient_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * Copyright 2023 Morse Micro</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> */</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span><span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span><span class="preprocessor">#include &quot;mmosal.h&quot;</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span><span class="preprocessor">#include &quot;mmwlan.h&quot;</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span><span class="preprocessor">#include &quot;mmconfig.h&quot;</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span><span class="preprocessor">#include &quot;mmipal.h&quot;</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span><span class="preprocessor">#include &quot;mbedtls/build_info.h&quot;</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span><span class="preprocessor">#include &quot;mbedtls/platform.h&quot;</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><span class="preprocessor">#include &quot;mbedtls/net.h&quot;</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><span class="preprocessor">#include &quot;mbedtls/ssl.h&quot;</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span><span class="preprocessor">#include &quot;mbedtls/entropy.h&quot;</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span><span class="preprocessor">#include &quot;mbedtls/ctr_drbg.h&quot;</span></div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span><span class="preprocessor">#include &quot;mbedtls/debug.h&quot;</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span><span class="preprocessor">#include &quot;<a class="code" href="mm__app__common_8h.html">mm_app_common.h</a>&quot;</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="preprocessor">#include &quot;default_certs.h&quot;</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"><a class="line" href="sslclient_8c.html#a16b710f592bf8f7900666392adc444dc"> 170</a></span><span class="preprocessor">#define DEFAULT_PORT &quot;443&quot;</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="sslclient_8c.html#a6445d726464369e3b587bb4b179797d5"> 172</a></span><span class="preprocessor">#define DEFAULT_SERVER &quot;www.google.com&quot;</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"><a class="line" href="sslclient_8c.html#a7231a4e5ed0387b0e9875e16f560f4f0"> 174</a></span><span class="preprocessor">#define GET_REQUEST &quot;GET / HTTP/1.0\r\n\r\n&quot;</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"><a class="line" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0"> 177</a></span><span class="keywordtype">char</span> <a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>[1408];</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"><a class="line" href="sslclient_8c.html#a46b31e65b97d389b2c0f7d6e4953eba5"> 188</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="sslclient_8c.html#a46b31e65b97d389b2c0f7d6e4953eba5">my_debug</a>(<span class="keywordtype">void</span> *ctx, <span class="keywordtype">int</span> level, <span class="keyword">const</span> <span class="keywordtype">char</span> *file, <span class="keywordtype">int</span> line, <span class="keyword">const</span> <span class="keywordtype">char</span> *str)</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span>{</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> ((void) level);</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> ((void) ctx);</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> printf(<span class="stringliteral">&quot;%s:%04d: %s&quot;</span>, file, line, str);</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span>}</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"><a class="line" href="sslclient_8c.html#add3190cf715f513666f4be42874d91e2"> 201</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="sslclient_8c.html#add3190cf715f513666f4be42874d91e2">app_init</a>(<span class="keywordtype">void</span>)</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span>{</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> uint8_t *allocptr = NULL;</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> printf(<span class="stringliteral">&quot;\n\nMorse SSL Client Demo (Built &quot;</span> __DATE__ <span class="stringliteral">&quot; &quot;</span> __TIME__ <span class="stringliteral">&quot;)\n\n&quot;</span>);</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="comment">/* Initialize and connect to Wi-Fi, blocks till connected */</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <a class="code hl_function" href="mm__app__common_8h.html#ac74a7d993e4fd372d18ee5d2f2570fb9">app_wlan_init</a>();</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> <a class="code hl_function" href="mm__app__common_8h.html#aeda94efa10a45cefab39a3459374c074">app_wlan_start</a>();</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordtype">int</span> len = 0;</div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="keywordtype">size_t</span> total = 0;</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> mbedtls_net_context server_fd;</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *pers = <span class="stringliteral">&quot;sslclient&quot;</span>;</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> </div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> mbedtls_entropy_context entropy;</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> mbedtls_ctr_drbg_context ctr_drbg;</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> mbedtls_ssl_context ssl;</div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> mbedtls_ssl_config conf;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> mbedtls_x509_crt cacert;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> mbedtls_x509_crt clicert;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> mbedtls_pk_context pkey;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="comment"> * 0. Initialize and setup mbedtls</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="comment"> */</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> printf(<span class="stringliteral">&quot;Initialising MbedTLS...&quot;</span>);</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> mbedtls_net_init(&amp;server_fd);</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> mbedtls_ssl_init(&amp;ssl);</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> mbedtls_ssl_config_init(&amp;conf);</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="comment">/* Uncomment the following lines to enable verbose debugging */</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// mbedtls_ssl_conf_dbg(&amp;conf, my_debug, NULL);</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// mbedtls_debug_set_threshold(4);</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> mbedtls_x509_crt_init(&amp;cacert);</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> mbedtls_x509_crt_init(&amp;clicert);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> mbedtls_pk_init(&amp;pkey);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> mbedtls_ctr_drbg_init(&amp;ctr_drbg);</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> mbedtls_entropy_init(&amp;entropy);</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> ret = mbedtls_ctr_drbg_seed(&amp;ctr_drbg, mbedtls_entropy_func, &amp;entropy,</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) pers, strlen(pers));</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> {</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> printf(<span class="stringliteral">&quot; failed %d in mbedtls_ctr_drbg_seed()\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> }</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> </div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span><span class="comment"> * 1. Load &amp; setup certificates</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span><span class="comment"> */</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> allocptr = (uint8_t*)DEFAULT_ROOT_CERT;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> len = <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.rootca&quot;</span>, NULL, 0, 0);</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">if</span> (len &gt; 0)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="comment">/* Looks like we have a valid certificate */</span></div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> allocptr = (uint8_t*) <a class="code hl_define" href="group__MMOSAL__MEMMGMT.html#ga1da4459b12043d73361b6d798501e72d">mmosal_malloc</a>(len + 1);</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">if</span> (allocptr)</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> {</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="comment">/* Now read the bytes in */</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.rootca&quot;</span>, allocptr, len, 0);</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="comment">/* Add NULL terminator as MbedTLS expects this, we already allocated +1 bytes */</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> allocptr[len++] = 0;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> }</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> printf(<span class="stringliteral">&quot;Failed to allocate memory for root certificate!\n\n&quot;</span>);</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> {</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> len = <span class="keyword">sizeof</span>(DEFAULT_ROOT_CERT);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> printf(<span class="stringliteral">&quot;Loading the CA root certificate ...&quot;</span>);</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> ret = mbedtls_x509_crt_parse(&amp;cacert, allocptr, len);</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> {</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> }</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> allocptr = (uint8_t*)DEFAULT_CLIENT_CERT;</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> len = <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.clientcert&quot;</span>, NULL, 0, 0);</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">if</span> (len &gt; 0)</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> {</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> <span class="comment">/* Looks like we have a valid certificate */</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> allocptr = (uint8_t*) <a class="code hl_define" href="group__MMOSAL__MEMMGMT.html#ga1da4459b12043d73361b6d798501e72d">mmosal_malloc</a>(len + 1);</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> <span class="keywordflow">if</span> (allocptr)</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> {</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="comment">/* Now read the bytes in */</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.clientcert&quot;</span>, allocptr, len, 0);</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">/* Add NULL terminator as MbedTLS expects this, we already allocated +1 bytes */</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> allocptr[len++] = 0;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> }</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> {</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> printf(<span class="stringliteral">&quot;Failed to allocate memory for client certificate!\n\n&quot;</span>);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> }</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> }</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> {</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> len = <span class="keyword">sizeof</span>(DEFAULT_CLIENT_CERT);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> printf(<span class="stringliteral">&quot;Loading the client cert...&quot;</span>);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> ret = mbedtls_x509_crt_parse(&amp;clicert, allocptr, len);</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> {</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> }</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> allocptr = (uint8_t*)DEFAULT_CLIENT_KEY;</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> len = <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.clientkey&quot;</span>, NULL, 0, 0);</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> <span class="keywordflow">if</span> (len &gt; 0)</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> {</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> <span class="comment">/* Looks like we have a valid certificate */</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> allocptr = (uint8_t*) <a class="code hl_define" href="group__MMOSAL__MEMMGMT.html#ga1da4459b12043d73361b6d798501e72d">mmosal_malloc</a>(len + 1);</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">if</span> (allocptr)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> {</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="comment">/* Now read the bytes in */</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <a class="code hl_function" href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a>(<span class="stringliteral">&quot;sslclient.clientkey&quot;</span>, allocptr, len, 0);</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="comment">/* Add NULL terminator as MbedTLS expects this, we already allocated +1 bytes */</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> allocptr[len++] = 0;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> printf(<span class="stringliteral">&quot;Failed to allocate memory for client key!\n\n&quot;</span>);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> }</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> }</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> {</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> len = <span class="keyword">sizeof</span>(DEFAULT_CLIENT_KEY);</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> }</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> printf(<span class="stringliteral">&quot;Loading the client key...&quot;</span>);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> ret = mbedtls_pk_parse_key(&amp;pkey, allocptr, len, NULL, 0, mbedtls_ctr_drbg_random, &amp;ctr_drbg);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> {</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> }</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> </div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span> printf(<span class="stringliteral">&quot;Setting up client certs/key...&quot;</span>);</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> <span class="keywordflow">if</span> ((ret = mbedtls_ssl_conf_own_cert(&amp;conf, &amp;clicert, &amp;pkey)) != 0)</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> {</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> }</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> </div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno"> 360</span><span class="comment"> * 2. Setup SSL</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno"> 361</span><span class="comment"> */</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno"> 362</span> printf(<span class="stringliteral">&quot;Setting up SSL...&quot;</span>);</div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno"> 363</span> ret = mbedtls_ssl_config_defaults(&amp;conf, MBEDTLS_SSL_IS_CLIENT,</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno"> 364</span> MBEDTLS_SSL_TRANSPORT_STREAM, MBEDTLS_SSL_PRESET_DEFAULT);</div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno"> 365</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno"> 366</span> {</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno"> 367</span> printf(<span class="stringliteral">&quot; failed %d in mbedtls_ssl_config_defaults()\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno"> 368</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno"> 369</span> }</div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno"> 370</span> mbedtls_ssl_conf_authmode(&amp;conf, MBEDTLS_SSL_VERIFY_OPTIONAL);</div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno"> 371</span> mbedtls_ssl_conf_rng(&amp;conf, mbedtls_ctr_drbg_random, &amp;ctr_drbg);</div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno"> 372</span> mbedtls_ssl_conf_ca_chain(&amp;conf, &amp;cacert, NULL);</div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno"> 373</span> ret = mbedtls_ssl_setup(&amp;ssl, &amp;conf);</div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno"> 374</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno"> 375</span> {</div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno"> 376</span> printf(<span class="stringliteral">&quot; failed %d in mbedtls_ssl_setup()\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno"> 377</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno"> 378</span> }</div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno"> 379</span> </div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">static</span> <span class="keywordtype">char</span> sslclient_server[64];</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno"> 381</span> strncpy(sslclient_server, <a class="code hl_define" href="sslclient_8c.html#a6445d726464369e3b587bb4b179797d5">DEFAULT_SERVER</a>, <span class="keyword">sizeof</span>(sslclient_server));</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno"> 382</span> (void)<a class="code hl_function" href="group__MMCONFIG__API.html#ga49a03e759500ae9d9395a22d3846c11e">mmconfig_read_string</a>(<span class="stringliteral">&quot;sslclient.server&quot;</span>, sslclient_server, <span class="keyword">sizeof</span>(sslclient_server));</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno"> 383</span> <span class="keywordflow">if</span> ((ret = mbedtls_ssl_set_hostname(&amp;ssl, sslclient_server)) != 0)</div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno"> 384</span> {</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno"> 385</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno"> 386</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno"> 387</span> }</div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno"> 388</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno"> 389</span> </div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno"> 390</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno"> 391</span><span class="comment"> * 3. Start the connection</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno"> 392</span><span class="comment"> */</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno"> 393</span> <span class="comment">/* First parse the URL to extract the server, port and resource */</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno"> 394</span> <span class="keyword">static</span> <span class="keywordtype">char</span> sslclient_port[8];</div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno"> 395</span> strncpy(sslclient_port, <a class="code hl_define" href="sslclient_8c.html#a16b710f592bf8f7900666392adc444dc">DEFAULT_PORT</a>, <span class="keyword">sizeof</span>(sslclient_port));</div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno"> 396</span> (void)<a class="code hl_function" href="group__MMCONFIG__API.html#ga49a03e759500ae9d9395a22d3846c11e">mmconfig_read_string</a>(<span class="stringliteral">&quot;sslclient.port&quot;</span>, sslclient_port, <span class="keyword">sizeof</span>(sslclient_port));</div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno"> 397</span> </div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno"> 398</span> printf(<span class="stringliteral">&quot;Connecting to %s:%s...&quot;</span>, sslclient_server, sslclient_port);</div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno"> 399</span> fflush(stdout);</div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno"> 400</span> ret = mbedtls_net_connect(&amp;server_fd, sslclient_server, sslclient_port, MBEDTLS_NET_PROTO_TCP);</div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"> 401</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno"> 402</span> {</div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno"> 403</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno"> 404</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno"> 405</span> }</div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno"> 406</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno"> 407</span> </div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno"> 408</span> mbedtls_ssl_set_bio(&amp;ssl, &amp;server_fd, mbedtls_net_send, NULL, mbedtls_net_recv_timeout);</div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno"> 409</span> </div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno"> 410</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno"> 411</span><span class="comment"> * 4. Handshake</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno"> 412</span><span class="comment"> */</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno"> 413</span> printf(<span class="stringliteral">&quot;Performing the SSL/TLS handshake...&quot;</span>);</div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno"> 414</span> ret = mbedtls_ssl_handshake(&amp;ssl);</div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno"> 415</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno"> 416</span> {</div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno"> 417</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno"> 418</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"> 419</span> }</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno"> 420</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno"> 421</span> </div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno"> 422</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno"> 423</span><span class="comment"> * 5. Verify the server certificate</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno"> 424</span><span class="comment"> */</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno"> 425</span> printf(<span class="stringliteral">&quot;Verifying peer X.509 certificate...&quot;</span>);</div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno"> 426</span> ret = mbedtls_ssl_get_verify_result(&amp;ssl);</div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno"> 427</span> <span class="keywordflow">if</span> (ret != 0)</div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno"> 428</span> {</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno"> 429</span> <span class="comment">/* In real life, we probably want to bail out when ret != 0 */</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno"> 430</span> printf(<span class="stringliteral">&quot; failed %d, did you set the time?\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno"> 431</span> }</div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno"> 432</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno"> 433</span> {</div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno"> 434</span> printf(<span class="stringliteral">&quot; ok\n&quot;</span>);</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno"> 435</span> }</div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno"> 436</span> </div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno"> 437</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"> 438</span><span class="comment"> * 6. Write the GET request</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno"> 439</span><span class="comment"> */</span></div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno"> 440</span> printf(<span class="stringliteral">&quot;Write to server:&quot;</span>);</div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno"> 441</span> ret = mbedtls_ssl_write(&amp;ssl, (<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *) <a class="code hl_define" href="sslclient_8c.html#a7231a4e5ed0387b0e9875e16f560f4f0">GET_REQUEST</a>, <span class="keyword">sizeof</span>(<a class="code hl_define" href="sslclient_8c.html#a7231a4e5ed0387b0e9875e16f560f4f0">GET_REQUEST</a>) - 1);</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno"> 442</span> <span class="keywordflow">if</span> (ret &lt;= 0)</div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno"> 443</span> {</div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno"> 444</span> <span class="comment">// mbedtls_ssl_write failed</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno"> 445</span> printf(<span class="stringliteral">&quot; failed %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno"> 446</span> <span class="keywordflow">goto</span> exit;</div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno"> 447</span> }</div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno"> 448</span> printf(<span class="stringliteral">&quot; %d bytes written\n\n%s&quot;</span>, ret, <a class="code hl_define" href="sslclient_8c.html#a7231a4e5ed0387b0e9875e16f560f4f0">GET_REQUEST</a>);</div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno"> 449</span> </div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno"> 450</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno"> 451</span><span class="comment"> * 7. Read the HTTP response</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno"> 452</span><span class="comment"> */</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"> 453</span> printf(<span class="stringliteral">&quot;Reading response from server:\n&quot;</span>);</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno"> 454</span> memset(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>, 0, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>));</div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno"> 455</span> ret = mbedtls_ssl_read(&amp;ssl, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>) - 1);</div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno"> 456</span> </div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno"> 457</span> <span class="keywordflow">if</span> (ret &gt; 0)</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno"> 458</span> {</div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno"> 459</span> total = ret;</div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno"> 460</span> printf(<span class="stringliteral">&quot;Printing headers only:\n\n&quot;</span>);</div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno"> 461</span> </div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno"> 462</span> <span class="comment">/* Search for blank line signifying end of headers */</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno"> 463</span> <span class="keywordtype">char</span>* end_headers = strstr(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>, <span class="stringliteral">&quot;\n\n&quot;</span>);</div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno"> 464</span> <span class="keywordflow">if</span> (end_headers)</div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno"> 465</span> {</div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno"> 466</span> <span class="comment">/* terminate the string at end of headers */</span></div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno"> 467</span> *end_headers = 0;</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno"> 468</span> }</div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno"> 469</span> end_headers = strstr(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>, <span class="stringliteral">&quot;\r\n\r\n&quot;</span>);</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno"> 470</span> <span class="keywordflow">if</span> (end_headers)</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno"> 471</span> {</div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno"> 472</span> <span class="comment">/* terminate the string at end of headers */</span></div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno"> 473</span> *end_headers = 0;</div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno"> 474</span> }</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno"> 475</span> </div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno"> 476</span> <span class="comment">/* Print headers */</span></div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno"> 477</span> puts(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>);</div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno"> 478</span> </div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno"> 479</span> <span class="comment">/* Read the rest */</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno"> 480</span> <span class="keywordflow">while</span> (1)</div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno"> 481</span> {</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno"> 482</span> ret = mbedtls_ssl_read(&amp;ssl, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>, <span class="keyword">sizeof</span>(<a class="code hl_variable" href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a>));</div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno"> 483</span> </div>
<div class="line"><a id="l00484" name="l00484"></a><span class="lineno"> 484</span> <span class="keywordflow">if</span> (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE)</div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno"> 485</span> <span class="keywordflow">continue</span>;</div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno"> 486</span> </div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno"> 487</span> <span class="keywordflow">if</span> (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno"> 488</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno"> 489</span> </div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno"> 490</span> <span class="keywordflow">if</span> (ret &lt; 0)</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno"> 491</span> {</div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno"> 492</span> printf(<span class="stringliteral">&quot; failed with error code %d\n\n&quot;</span>, ret);</div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno"> 493</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno"> 494</span> }</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno"> 495</span> </div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno"> 496</span> <span class="keywordflow">if</span> (ret == 0)</div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno"> 497</span> {</div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno"> 498</span> <span class="comment">/* No more data to read */</span></div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno"> 499</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno"> 500</span> }</div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno"> 501</span> </div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno"> 502</span> total += ret;</div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno"> 503</span> }</div>
<div class="line"><a id="l00504" name="l00504"></a><span class="lineno"> 504</span> }</div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno"> 505</span> </div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno"> 506</span> <span class="keywordflow">if</span> (total &gt; 0)</div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno"> 507</span> {</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno"> 508</span> printf(<span class="stringliteral">&quot;\nSuccess! %u bytes read in total.\n&quot;</span>, total);</div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno"> 509</span> }</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno"> 510</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno"> 511</span> {</div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno"> 512</span> printf(<span class="stringliteral">&quot;\nFailed to read response from server!\n&quot;</span>);</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno"> 513</span> }</div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno"> 514</span> </div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno"> 515</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno"> 516</span><span class="comment"> * 8. Close the connection</span></div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno"> 517</span><span class="comment"> */</span></div>
<div class="line"><a id="l00518" name="l00518"></a><span class="lineno"> 518</span> mbedtls_ssl_close_notify(&amp;ssl);</div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno"> 519</span> </div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno"> 520</span>exit:</div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno"> 521</span> mbedtls_net_free(&amp;server_fd);</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno"> 522</span> </div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno"> 523</span> mbedtls_ssl_free(&amp;ssl);</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno"> 524</span> mbedtls_ssl_config_free(&amp;conf);</div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno"> 525</span> mbedtls_ctr_drbg_free(&amp;ctr_drbg);</div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno"> 526</span> mbedtls_entropy_free(&amp;entropy);</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno"> 527</span>}</div>
<div class="ttc" id="agroup__MMCONFIG__API_html_ga49a03e759500ae9d9395a22d3846c11e"><div class="ttname"><a href="group__MMCONFIG__API.html#ga49a03e759500ae9d9395a22d3846c11e">mmconfig_read_string</a></div><div class="ttdeci">int mmconfig_read_string(const char *key, char *buffer, int bufsize)</div><div class="ttdoc">Returns the persistent store string value identified by the key.</div></div>
<div class="ttc" id="agroup__MMCONFIG__API_html_gaced6e1453d3114b98696af9bbcca4288"><div class="ttname"><a href="group__MMCONFIG__API.html#gaced6e1453d3114b98696af9bbcca4288">mmconfig_read_bytes</a></div><div class="ttdeci">int mmconfig_read_bytes(const char *key, void *buffer, uint32_t buffsize, uint32_t offset)</div><div class="ttdoc">Returns the persistent store data identified by the key.</div></div>
<div class="ttc" id="agroup__MMOSAL__MEMMGMT_html_ga1da4459b12043d73361b6d798501e72d"><div class="ttname"><a href="group__MMOSAL__MEMMGMT.html#ga1da4459b12043d73361b6d798501e72d">mmosal_malloc</a></div><div class="ttdeci">#define mmosal_malloc(size)</div><div class="ttdoc">Allocate memory of the given size and return a pointer to it (malloc).</div><div class="ttdef"><b>Definition:</b> <a href="mmosal_8h_source.html#l00137">mmosal.h:137</a></div></div>
<div class="ttc" id="amm__app__common_8h_html"><div class="ttname"><a href="mm__app__common_8h.html">mm_app_common.h</a></div><div class="ttdoc">Morse Micro application helper routines for initializing/de-initializing the Wireless LAN interface a...</div></div>
<div class="ttc" id="amm__app__common_8h_html_ac74a7d993e4fd372d18ee5d2f2570fb9"><div class="ttname"><a href="mm__app__common_8h.html#ac74a7d993e4fd372d18ee5d2f2570fb9">app_wlan_init</a></div><div class="ttdeci">void app_wlan_init(void)</div><div class="ttdoc">Initializes the WLAN interface (and dependencies) using settings specified in the config store.</div></div>
<div class="ttc" id="amm__app__common_8h_html_aeda94efa10a45cefab39a3459374c074"><div class="ttname"><a href="mm__app__common_8h.html#aeda94efa10a45cefab39a3459374c074">app_wlan_start</a></div><div class="ttdeci">void app_wlan_start(void)</div><div class="ttdoc">Starts the WLAN interface and connects to Wi-Fi using settings specified in the config store.</div></div>
<div class="ttc" id="asslclient_8c_html_a16b710f592bf8f7900666392adc444dc"><div class="ttname"><a href="sslclient_8c.html#a16b710f592bf8f7900666392adc444dc">DEFAULT_PORT</a></div><div class="ttdeci">#define DEFAULT_PORT</div><div class="ttdoc">HTTPS port number to connect to.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00170">sslclient.c:170</a></div></div>
<div class="ttc" id="asslclient_8c_html_a46b31e65b97d389b2c0f7d6e4953eba5"><div class="ttname"><a href="sslclient_8c.html#a46b31e65b97d389b2c0f7d6e4953eba5">my_debug</a></div><div class="ttdeci">void my_debug(void *ctx, int level, const char *file, int line, const char *str)</div><div class="ttdoc">Optional mbedtls debug callback handler.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00188">sslclient.c:188</a></div></div>
<div class="ttc" id="asslclient_8c_html_a6445d726464369e3b587bb4b179797d5"><div class="ttname"><a href="sslclient_8c.html#a6445d726464369e3b587bb4b179797d5">DEFAULT_SERVER</a></div><div class="ttdeci">#define DEFAULT_SERVER</div><div class="ttdoc">HTTPS server to connect to.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00172">sslclient.c:172</a></div></div>
<div class="ttc" id="asslclient_8c_html_a7231a4e5ed0387b0e9875e16f560f4f0"><div class="ttname"><a href="sslclient_8c.html#a7231a4e5ed0387b0e9875e16f560f4f0">GET_REQUEST</a></div><div class="ttdeci">#define GET_REQUEST</div><div class="ttdoc">HTTPS get request string.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00174">sslclient.c:174</a></div></div>
<div class="ttc" id="asslclient_8c_html_abdc8ea8147d82c962a7d88863ee32ee0"><div class="ttname"><a href="sslclient_8c.html#abdc8ea8147d82c962a7d88863ee32ee0">buf</a></div><div class="ttdeci">char buf[1408]</div><div class="ttdoc">Statically allocated buffer for HTTP GET request, just under 1 packet size.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00177">sslclient.c:177</a></div></div>
<div class="ttc" id="asslclient_8c_html_add3190cf715f513666f4be42874d91e2"><div class="ttname"><a href="sslclient_8c.html#add3190cf715f513666f4be42874d91e2">app_init</a></div><div class="ttdeci">void app_init(void)</div><div class="ttdoc">Main entry point to the application.</div><div class="ttdef"><b>Definition:</b> <a href="sslclient_8c_source.html#l00201">sslclient.c:201</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- HTML footer for doxygen 1.8.17-->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_91b8f418cff946e8d8b598a9068417a8.html">examples</a></li><li class="navelem"><a class="el" href="dir_ce3747c650aef722ff1e3fe2fb88ac1c.html">sslclient</a></li><li class="navelem"><a class="el" href="dir_6bb299079a1a7d21b7029232ee54626a.html">src</a></li><li class="navelem"><a class="el" href="sslclient_8c.html">sslclient.c</a></li>
<li class="footer">Copyright 2021 Morse Micro </li>
</ul>
</div>
</body>
</html>
Reference in a new issue View git blame Copy permalink