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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>uIP 1.0: smtp.c</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="classes.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="examples.html"><span>Examples</span></a></li> </ul></div><h1>smtp.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**</span><a name="l00002"></a>00002 <span class="comment"> * \addtogroup apps</span><a name="l00003"></a>00003 <span class="comment"> * @{</span><a name="l00004"></a>00004 <span class="comment"> */</span><a name="l00005"></a>00005 <span class="comment"></span><a name="l00006"></a>00006 <span class="comment">/**</span><a name="l00007"></a>00007 <span class="comment"> * \defgroup smtp SMTP E-mail sender</span><a name="l00008"></a>00008 <span class="comment"> * @{</span><a name="l00009"></a>00009 <span class="comment"> *</span><a name="l00010"></a>00010 <span class="comment"> * The Simple Mail Transfer Protocol (SMTP) as defined by RFC821 is</span><a name="l00011"></a>00011 <span class="comment"> * the standard way of sending and transfering e-mail on the</span><a name="l00012"></a>00012 <span class="comment"> * Internet. This simple example implementation is intended as an</span><a name="l00013"></a>00013 <span class="comment"> * example of how to implement protocols in uIP, and is able to send</span><a name="l00014"></a>00014 <span class="comment"> * out e-mail but has not been extensively tested.</span><a name="l00015"></a>00015 <span class="comment"> */</span><a name="l00016"></a>00016 <span class="comment"></span><a name="l00017"></a>00017 <span class="comment">/**</span><a name="l00018"></a>00018 <span class="comment"> * \file</span><a name="l00019"></a>00019 <span class="comment"> * SMTP example implementation</span><a name="l00020"></a>00020 <span class="comment"> * \author Adam Dunkels <adam@dunkels.com></span><a name="l00021"></a>00021 <span class="comment"> */</span><a name="l00022"></a>00022 <a name="l00023"></a>00023 <span class="comment">/*</span><a name="l00024"></a>00024 <span class="comment"> * Copyright (c) 2004, Adam Dunkels.</span><a name="l00025"></a>00025 <span class="comment"> * All rights reserved.</span><a name="l00026"></a>00026 <span class="comment"> *</span><a name="l00027"></a>00027 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span><a name="l00028"></a>00028 <span class="comment"> * modification, are permitted provided that the following conditions</span><a name="l00029"></a>00029 <span class="comment"> * are met:</span><a name="l00030"></a>00030 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span><a name="l00031"></a>00031 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span><a name="l00032"></a>00032 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span><a name="l00033"></a>00033 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span><a name="l00034"></a>00034 <span class="comment"> * documentation and/or other materials provided with the distribution.</span><a name="l00035"></a>00035 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors</span><a name="l00036"></a>00036 <span class="comment"> * may be used to endorse or promote products derived from this software</span><a name="l00037"></a>00037 <span class="comment"> * without specific prior written permission.</span><a name="l00038"></a>00038 <span class="comment"> *</span><a name="l00039"></a>00039 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND</span><a name="l00040"></a>00040 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span><a name="l00041"></a>00041 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span><a name="l00042"></a>00042 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE</span><a name="l00043"></a>00043 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</span><a name="l00044"></a>00044 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS</span><a name="l00045"></a>00045 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span><a name="l00046"></a>00046 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</span><a name="l00047"></a>00047 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</span><a name="l00048"></a>00048 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF</span><a name="l00049"></a>00049 <span class="comment"> * SUCH DAMAGE.</span><a name="l00050"></a>00050 <span class="comment"> *</span><a name="l00051"></a>00051 <span class="comment"> * This file is part of the uIP TCP/IP stack.</span><a name="l00052"></a>00052 <span class="comment"> *</span><a name="l00053"></a>00053 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span><a name="l00054"></a>00054 <span class="comment"> *</span><a name="l00055"></a>00055 <span class="comment"> * $Id: smtp.c,v 1.4 2006/06/11 21:46:37 adam Exp $</span><a name="l00056"></a>00056 <span class="comment"> */</span><a name="l00057"></a>00057 <span class="preprocessor">#include "<a class="code" href="a00105.html">smtp.h</a>"</span><a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="preprocessor">#include "smtp-strings.h"</span><a name="l00060"></a>00060 <span class="preprocessor">#include "<a class="code" href="a00127.html">psock.h</a>"</span><a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="a00136.html">uip.h</a>"</span><a name="l00062"></a>00062 <a name="l00063"></a>00063 <span class="preprocessor">#include <string.h></span><a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="keyword">static</span> <span class="keyword">struct </span><a name="_a163"></a><a class="code" href="a00085.html">smtp_state</a> s;<a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keywordtype">char</span> *localhostname;<a name="l00068"></a>00068 <span class="keyword">static</span> <a name="a164"></a><a class="code" href="a00150.html#g1ef35301f43a5bbb9f89f07b5a36b9a0">uip_ipaddr_t</a> smtpserver;<a name="l00069"></a>00069 <a name="l00070"></a>00070 <span class="preprocessor">#define ISO_nl 0x0a</span><a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define ISO_cr 0x0d</span><a name="l00072"></a>00072 <span class="preprocessor"></span><a name="l00073"></a>00073 <span class="preprocessor">#define ISO_period 0x2e</span><a name="l00074"></a>00074 <span class="preprocessor"></span><a name="l00075"></a>00075 <span class="preprocessor">#define ISO_2 0x32</span><a name="l00076"></a>00076 <span class="preprocessor"></span><span class="preprocessor">#define ISO_3 0x33</span><a name="l00077"></a>00077 <span class="preprocessor"></span><span class="preprocessor">#define ISO_4 0x34</span><a name="l00078"></a>00078 <span class="preprocessor"></span><span class="preprocessor">#define ISO_5 0x35</span><a name="l00079"></a>00079 <span class="preprocessor"></span><a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="comment">/*---------------------------------------------------------------------------*/</span><a name="l00082"></a>00082 <span class="keyword">static</span><a name="l00083"></a>00083 <a name="a165"></a><a class="code" href="a00142.html#g3d4c8bd4aada659eb34f5d2ffd3e7901">PT_THREAD</a>(smtp_thread(<span class="keywordtype">void</span>))<a name="l00084"></a>00084 {<a name="l00085"></a>00085 <a name="a166"></a><a class="code" href="a00158.html#g84901a5aa60040e96d272a69977edd22">PSOCK_BEGIN</a>(&s.psock);<a name="l00086"></a>00086 <a name="l00087"></a>00087 <a name="a167"></a><a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s.psock, <a name="a168"></a><a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>);<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="keywordflow">if</span>(strncmp(s.inputbuffer, smtp_220, 3) != 0) {<a name="l00090"></a>00090 <a name="a169"></a><a class="code" href="a00158.html#g5d56800f82bfc7bbf53bb4a659589812">PSOCK_CLOSE</a>(&s.psock);<a name="l00091"></a>00091 <a name="a170"></a><a class="code" href="a00161.html#gb1fc692a2700b7a51517724364683f67">smtp_done</a>(2);<a name="l00092"></a>00092 <a name="a171"></a><a class="code" href="a00158.html#gfa11b2a1faf395ae2a6626e01c482d5d">PSOCK_EXIT</a>(&s.psock);<a name="l00093"></a>00093 }<a name="l00094"></a>00094 <a name="l00095"></a>00095 <a name="a172"></a><a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_helo);<a name="l00096"></a>00096 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, localhostname);<a name="l00097"></a>00097 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_crnl);<a name="l00098"></a>00098 <a name="l00099"></a>00099 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s.psock, <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>);<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keywordflow">if</span>(s.inputbuffer[0] != <a name="a173"></a><a class="code" href="a00161.html#g34b924954ba5707d536df28d71a80d39">ISO_2</a>) {<a name="l00102"></a>00102 <a class="code" href="a00158.html#g5d56800f82bfc7bbf53bb4a659589812">PSOCK_CLOSE</a>(&s.psock);<a name="l00103"></a>00103 <a class="code" href="a00161.html#gb1fc692a2700b7a51517724364683f67">smtp_done</a>(3);<a name="l00104"></a>00104 <a class="code" href="a00158.html#gfa11b2a1faf395ae2a6626e01c482d5d">PSOCK_EXIT</a>(&s.psock);<a name="l00105"></a>00105 }<a name="l00106"></a>00106 <a name="l00107"></a>00107 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_mail_from);<a name="l00108"></a>00108 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, s.<a name="a174"></a><a class="code" href="a00085.html#668cab7d54ff0a2fc2a2179ca06b0798">from</a>);<a name="l00109"></a>00109 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_crnl);<a name="l00110"></a>00110 <a name="l00111"></a>00111 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s.psock, <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>);<a name="l00112"></a>00112 <a name="l00113"></a>00113 <span class="keywordflow">if</span>(s.inputbuffer[0] != <a class="code" href="a00161.html#g34b924954ba5707d536df28d71a80d39">ISO_2</a>) {<a name="l00114"></a>00114 <a class="code" href="a00158.html#g5d56800f82bfc7bbf53bb4a659589812">PSOCK_CLOSE</a>(&s.psock);<a name="l00115"></a>00115 <a class="code" href="a00161.html#gb1fc692a2700b7a51517724364683f67">smtp_done</a>(4);<a name="l00116"></a>00116 <a class="code" href="a00158.html#gfa11b2a1faf395ae2a6626e01c482d5d">PSOCK_EXIT</a>(&s.psock);<a name="l00117"></a>00117 }<a name="l00118"></a>00118 <a name="l00119"></a>00119 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_rcpt_to);<a name="l00120"></a>00120 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, s.<a name="a175"></a><a class="code" href="a00085.html#3592a1f5ae100db2ed9c0810b41c7bc7">to</a>);<a name="l00121"></a>00121 <a class="code" href="a00158.html#gb0ad55aa96dd1d200cd0fc5a99f6a4f7">PSOCK_SEND_STR</a>(&s.psock, (<span class="keywordtype">char</span> *)smtp_crnl);<a name="l00122"></a>00122 <a name="l00123"></a>00123 <a class="code" href="a00158.html#gb5d9c0becf7cb32d0aaef466839dd92e">PSOCK_READTO</a>(&s.psock, <a class="code" href="a00161.html#g3212e70c55244608ac16316888c354f0">ISO_nl</a>);<a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordflow">if</span>(s.inputbuffer[0] != <a class="code" href="a00161.html#g34b924954ba5707d536df28d71a80d39">ISO_2</a>) {<a name="l00126"></a>00126 <a class="code" href="a00158.html#g5d56800f82bfc7bbf53bb4a659589812">PSOCK_CLOSE</a>(&s.psock);<a name="l00127"></a>00127 <a class="code" href="a00161.html#gb1fc692a2700b7a51517724364683f67">smtp_done</a>(5);⌨️ 快捷键说明
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