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<div class="title">kcookie.cpp</div>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* vi: ts=8 sts=4 sw=4</span>
<a name="l00002"></a>00002 <span class="comment"> *</span>
<a name="l00003"></a>00003 <span class="comment"> * $Id: kcookie.cpp 669012 2007-05-28 10:36:22Z mueller $</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of the KDE project, module kdesu.</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 1999,2000 Geert Jansen &lt;jansen@kde.org&gt;</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This is free software; you can use this library under the GNU Library</span>
<a name="l00009"></a>00009 <span class="comment"> * General Public License, version 2. See the file &quot;COPYING.LIB&quot; for the</span>
<a name="l00010"></a>00010 <span class="comment"> * exact licensing terms.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * kcookie.cpp: KDE authentication cookies.</span>
<a name="l00013"></a>00013 <span class="comment"> */</span>
<a name="l00014"></a>00014 
<a name="l00015"></a>00015 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;string.h&gt;</span>
<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include &lt;errno.h&gt;</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include &lt;signal.h&gt;</span>
<a name="l00021"></a>00021 
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;qstring.h&gt;</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;qstringlist.h&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;qglobal.h&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;qfile.h&gt;</span>
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;dcopclient.h&gt;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;kprocess.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &quot;kcookie.h&quot;</span>
<a name="l00032"></a>00032 
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 KCookie::KCookie()
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>    getXCookie();
<a name="l00038"></a>00038 <span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>    <a class="code" href="classKCookie.html#aa945357f04e9fe2b21329f04b5d86a39" title="Select the DCOP transport to look for.">setDcopTransport</a>(<span class="stringliteral">&quot;local&quot;</span>);
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041 
<a name="l00042"></a><a class="code" href="classKCookie.html#aa945357f04e9fe2b21329f04b5d86a39">00042</a> <span class="keywordtype">void</span> <a class="code" href="classKCookie.html#aa945357f04e9fe2b21329f04b5d86a39" title="Select the DCOP transport to look for.">KCookie::setDcopTransport</a>(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &amp;dcopTransport)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044     m_dcopTransport = dcopTransport;
<a name="l00045"></a>00045     m_bHaveDCOPCookies = <span class="keyword">false</span>;
<a name="l00046"></a>00046     m_bHaveICECookies = <span class="keyword">false</span>;
<a name="l00047"></a>00047     m_DCOPSrv = <span class="stringliteral">&quot;&quot;</span>;
<a name="l00048"></a>00048     m_DCOPAuth = <span class="stringliteral">&quot;&quot;</span>;
<a name="l00049"></a>00049     m_ICEAuth = <span class="stringliteral">&quot;&quot;</span>;
<a name="l00050"></a>00050 }    
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <a class="codeRef" href="qvaluelist.html">QCStringList</a> KCookie::split(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &amp;line, <span class="keywordtype">char</span> ch)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054     <a class="codeRef" href="qvaluelist.html">QCStringList</a> result;
<a name="l00055"></a>00055 
<a name="l00056"></a>00056     <span class="keywordtype">int</span> i=0, pos;
<a name="l00057"></a>00057     <span class="keywordflow">while</span> ((pos = line.<a class="codeRef" href="qcstring.html#find">find</a>(ch, i)) != -1) 
<a name="l00058"></a>00058     {
<a name="l00059"></a>00059     result += line.<a class="codeRef" href="qcstring.html#mid">mid</a>(i, pos-i);
<a name="l00060"></a>00060     i = pos+1;
<a name="l00061"></a>00061     }
<a name="l00062"></a>00062     <span class="keywordflow">if</span> (i &lt; (<span class="keywordtype">int</span>) line.<a class="codeRef" href="qcstring.html#length">length</a>())
<a name="l00063"></a>00063     result += line.<a class="codeRef" href="qcstring.html#mid">mid</a>(i);
<a name="l00064"></a>00064     <span class="keywordflow">return</span> result;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066     
<a name="l00067"></a>00067 <span class="keywordtype">void</span> KCookie::blockSigChild()
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069     sigset_t sset;
<a name="l00070"></a>00070     sigemptyset(&amp;sset);
<a name="l00071"></a>00071     sigaddset(&amp;sset, SIGCHLD);
<a name="l00072"></a>00072     sigprocmask(SIG_BLOCK, &amp;sset, 0L);
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keywordtype">void</span> KCookie::unblockSigChild()
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077     sigset_t sset;
<a name="l00078"></a>00078     sigemptyset(&amp;sset);
<a name="l00079"></a>00079     sigaddset(&amp;sset, SIGCHLD);
<a name="l00080"></a>00080     sigprocmask(SIG_UNBLOCK, &amp;sset, 0L);
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 
<a name="l00083"></a>00083 <span class="keywordtype">void</span> KCookie::getXCookie()
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085     <span class="keywordtype">char</span> buf[1024];
<a name="l00086"></a>00086     FILE *f;
<a name="l00087"></a>00087 
<a name="l00088"></a>00088 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span>    m_Display = getenv(<span class="stringliteral">&quot;DISPLAY&quot;</span>);
<a name="l00090"></a>00090 <span class="preprocessor">#else</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span>    m_Display = getenv(<span class="stringliteral">&quot;QWS_DISPLAY&quot;</span>);
<a name="l00092"></a>00092 <span class="preprocessor">#endif</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span>    <span class="keywordflow">if</span> (m_Display.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>()) 
<a name="l00094"></a>00094     {
<a name="l00095"></a>00095     kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;$DISPLAY is not set.\n&quot;</span>;
<a name="l00096"></a>00096     <span class="keywordflow">return</span>;
<a name="l00097"></a>00097     }
<a name="l00098"></a>00098 <span class="preprocessor">#ifdef Q_WS_X11 // No need to mess with X Auth stuff</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span>    <a class="codeRef" href="qcstring.html">QCString</a> disp = m_Display;
<a name="l00100"></a>00100     <span class="keywordflow">if</span> (!memcmp(disp.data(), <span class="stringliteral">&quot;localhost:&quot;</span>, 10))
<a name="l00101"></a>00101        disp.<a class="codeRef" href="qcstring.html#remove">remove</a>(0, 9);
<a name="l00102"></a>00102 
<a name="l00103"></a>00103     <a class="codeRef" href="qstring.html">QString</a> cmd = <span class="stringliteral">&quot;xauth list &quot;</span>+KProcess::quote(disp);
<a name="l00104"></a>00104     blockSigChild(); <span class="comment">// pclose uses waitpid()</span>
<a name="l00105"></a>00105     <span class="keywordflow">if</span> (!(f = popen(<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(cmd), <span class="stringliteral">&quot;r&quot;</span>))) 
<a name="l00106"></a>00106     {
<a name="l00107"></a>00107     kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;popen(): &quot;</span> &lt;&lt; perror &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;
<a name="l00108"></a>00108     unblockSigChild();
<a name="l00109"></a>00109     <span class="keywordflow">return</span>;
<a name="l00110"></a>00110     }
<a name="l00111"></a>00111     <a class="codeRef" href="qcstring.html">QCString</a> output = fgets(buf, 1024, f);
<a name="l00112"></a>00112     <span class="keywordflow">if</span> (pclose(f) &lt; 0) 
<a name="l00113"></a>00113     {
<a name="l00114"></a>00114     kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;Could not run xauth.\n&quot;</span>;
<a name="l00115"></a>00115     unblockSigChild();
<a name="l00116"></a>00116     <span class="keywordflow">return</span>;
<a name="l00117"></a>00117     }
<a name="l00118"></a>00118     unblockSigChild();
<a name="l00119"></a>00119     output = output.<a class="codeRef" href="qcstring.html#simplifyWhiteSpace">simplifyWhiteSpace</a>();
<a name="l00120"></a>00120     <span class="keywordflow">if</span> (output.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00121"></a>00121     {
<a name="l00122"></a>00122        kdWarning(900) &lt;&lt; <span class="stringliteral">&quot;No X authentication info set for display &quot;</span> &lt;&lt;
<a name="l00123"></a>00123        m_Display &lt;&lt; endl; <span class="keywordflow">return</span>;
<a name="l00124"></a>00124     }
<a name="l00125"></a>00125     <a class="codeRef" href="qvaluelist.html">QCStringList</a> lst = split(output, <span class="charliteral">&#39; &#39;</span>);
<a name="l00126"></a>00126     <span class="keywordflow">if</span> (lst.<a class="codeRef" href="qvaluelist.html#count">count</a>() != 3) 
<a name="l00127"></a>00127     {
<a name="l00128"></a>00128     kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;parse error.\n&quot;</span>;
<a name="l00129"></a>00129     <span class="keywordflow">return</span>;
<a name="l00130"></a>00130     }
<a name="l00131"></a>00131     m_DisplayAuth = (lst[1] + <span class="charliteral">&#39; &#39;</span> + lst[2]);
<a name="l00132"></a>00132 <span class="preprocessor">#endif</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span>}
<a name="l00134"></a>00134 
<a name="l00135"></a>00135 <span class="keywordtype">void</span> KCookie::getICECookie()
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137     FILE *f;
<a name="l00138"></a>00138     <span class="keywordtype">char</span> buf[1024];
<a name="l00139"></a>00139 
<a name="l00140"></a>00140     <a class="codeRef" href="qcstring.html">QCString</a> dcopsrv = getenv(<span class="stringliteral">&quot;DCOPSERVER&quot;</span>);
<a name="l00141"></a>00141     <span class="keywordflow">if</span> (dcopsrv.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>()) 
<a name="l00142"></a>00142     {
<a name="l00143"></a>00143     <a class="codeRef" href="qcstring.html">QCString</a> dcopFile = DCOPClient::dcopServerFile();
<a name="l00144"></a>00144     <span class="keywordflow">if</span> (!(f = fopen(dcopFile, <span class="stringliteral">&quot;r&quot;</span>))) 
<a name="l00145"></a>00145     {
<a name="l00146"></a>00146         kdWarning(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;Cannot open &quot;</span> &lt;&lt; dcopFile &lt;&lt; <span class="stringliteral">&quot;.\n&quot;</span>;
<a name="l00147"></a>00147         <span class="keywordflow">return</span>;
<a name="l00148"></a>00148     }
<a name="l00149"></a>00149     dcopsrv = fgets(buf, 1024, f);
<a name="l00150"></a>00150     dcopsrv = dcopsrv.<a class="codeRef" href="qcstring.html#stripWhiteSpace">stripWhiteSpace</a>();
<a name="l00151"></a>00151     fclose(f);
<a name="l00152"></a>00152     }
<a name="l00153"></a>00153     <a class="codeRef" href="qvaluelist.html">QCStringList</a> dcopServerList = split(dcopsrv, <span class="charliteral">&#39;,&#39;</span>);
<a name="l00154"></a>00154     <span class="keywordflow">if</span> (dcopServerList.<a class="codeRef" href="qvaluelist.html#isEmpty">isEmpty</a>()) 
<a name="l00155"></a>00155     {
<a name="l00156"></a>00156     kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;No DCOP servers found.\n&quot;</span>;
<a name="l00157"></a>00157     <span class="keywordflow">return</span>;
<a name="l00158"></a>00158     }
<a name="l00159"></a>00159 
<a name="l00160"></a>00160     <a class="codeRef" href="qvaluelist.html#Iterator">QCStringList::Iterator</a> it;
<a name="l00161"></a>00161     <span class="keywordflow">for</span> (it=dcopServerList.<a class="codeRef" href="qvaluelist.html#begin">begin</a>(); it != dcopServerList.<a class="codeRef" href="qvaluelist.html#end">end</a>(); ++it) 
<a name="l00162"></a>00162     {
<a name="l00163"></a>00163         <span class="keywordflow">if</span> (strncmp((*it).data(), m_dcopTransport.data(), m_dcopTransport.<a class="codeRef" href="qcstring.html#length">length</a>()) != 0)
<a name="l00164"></a>00164             <span class="keywordflow">continue</span>;
<a name="l00165"></a>00165         m_DCOPSrv = *it;
<a name="l00166"></a>00166     <a class="codeRef" href="qcstring.html">QCString</a> cmd = DCOPClient::iceauthPath()+<span class="stringliteral">&quot; list netid=&quot;</span>+<a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>(KProcess::quote(m_DCOPSrv));
<a name="l00167"></a>00167     blockSigChild();
<a name="l00168"></a>00168     <span class="keywordflow">if</span> (!(f = popen(cmd, <span class="stringliteral">&quot;r&quot;</span>)))
<a name="l00169"></a>00169     {
<a name="l00170"></a>00170         kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;popen(): &quot;</span> &lt;&lt; perror &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;
<a name="l00171"></a>00171         unblockSigChild();
<a name="l00172"></a>00172         <span class="keywordflow">break</span>;
<a name="l00173"></a>00173     }
<a name="l00174"></a>00174     <a class="codeRef" href="qvaluelist.html">QCStringList</a> output;
<a name="l00175"></a>00175     <span class="keywordflow">while</span> (fgets(buf, 1024, f))
<a name="l00176"></a>00176         output += buf;
<a name="l00177"></a>00177     <span class="keywordflow">if</span> (pclose(f) &lt; 0) 
<a name="l00178"></a>00178     {
<a name="l00179"></a>00179         kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;Could not run iceauth.\n&quot;</span>;
<a name="l00180"></a>00180         unblockSigChild();
<a name="l00181"></a>00181         <span class="keywordflow">break</span>;
<a name="l00182"></a>00182     }
<a name="l00183"></a>00183     unblockSigChild();
<a name="l00184"></a>00184     <a class="codeRef" href="qvaluelist.html#Iterator">QCStringList::Iterator</a> it2;
<a name="l00185"></a>00185     <span class="keywordflow">for</span> (it2=output.<a class="codeRef" href="qvaluelist.html#begin">begin</a>(); it2!=output.<a class="codeRef" href="qvaluelist.html#end">end</a>(); ++it2) 
<a name="l00186"></a>00186     {
<a name="l00187"></a>00187         <a class="codeRef" href="qvaluelist.html">QCStringList</a> lst = split((*it2).simplifyWhiteSpace(), <span class="charliteral">&#39; &#39;</span>);
<a name="l00188"></a>00188         <span class="keywordflow">if</span> (lst.<a class="codeRef" href="qvaluelist.html#count">count</a>() != 5) 
<a name="l00189"></a>00189         {
<a name="l00190"></a>00190         kdError(900) &lt;&lt; <span class="stringliteral">&quot;parse error.\n&quot;</span>;
<a name="l00191"></a>00191         <span class="keywordflow">break</span>;
<a name="l00192"></a>00192         }
<a name="l00193"></a>00193         <span class="keywordflow">if</span> (lst[0] == <span class="stringliteral">&quot;DCOP&quot;</span>)
<a name="l00194"></a>00194         m_DCOPAuth = (lst[3] + <span class="charliteral">&#39; &#39;</span> + lst[4]);
<a name="l00195"></a>00195         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (lst[0] == <span class="stringliteral">&quot;ICE&quot;</span>)
<a name="l00196"></a>00196         m_ICEAuth = (lst[3] + <span class="charliteral">&#39; &#39;</span> + lst[4]);
<a name="l00197"></a>00197         <span class="keywordflow">else</span> 
<a name="l00198"></a>00198         kdError(900) &lt;&lt; k_lineinfo &lt;&lt; <span class="stringliteral">&quot;unknown protocol: &quot;</span> &lt;&lt; lst[0] &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;
<a name="l00199"></a>00199     }
<a name="l00200"></a>00200     <span class="keywordflow">break</span>;
<a name="l00201"></a>00201     }
<a name="l00202"></a>00202     m_bHaveDCOPCookies = <span class="keyword">true</span>;
<a name="l00203"></a>00203     m_bHaveICECookies = <span class="keyword">true</span>;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 
<a name="l00206"></a><a class="code" href="classKCookie.html#a79d4c878962b6067b8baea5f532151a7">00206</a> <a class="codeRef" href="qcstring.html">QCString</a> <a class="code" href="classKCookie.html#a79d4c878962b6067b8baea5f532151a7" title="Returns the netid where the dcopserver is running.">KCookie::dcopServer</a>() 
<a name="l00207"></a>00207 { 
<a name="l00208"></a>00208    <span class="keywordflow">if</span> (!m_bHaveDCOPCookies)
<a name="l00209"></a>00209       getICECookie();
<a name="l00210"></a>00210    <span class="keywordflow">return</span> m_DCOPSrv; 
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 
<a name="l00213"></a><a class="code" href="classKCookie.html#aff169d8e56b271133b9deda00f906b5f">00213</a> <a class="codeRef" href="qcstring.html">QCString</a> <a class="code" href="classKCookie.html#aff169d8e56b271133b9deda00f906b5f" title="Returns a list of magic cookies for DCOP protocol authentication.">KCookie::dcopAuth</a>() 
<a name="l00214"></a>00214 { 
<a name="l00215"></a>00215    <span class="keywordflow">if</span> (!m_bHaveDCOPCookies)
<a name="l00216"></a>00216       getICECookie();
<a name="l00217"></a>00217    <span class="keywordflow">return</span> m_DCOPAuth; 
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 
<a name="l00220"></a><a class="code" href="classKCookie.html#a10e17a305d74a30dd4e21b2cbd7b15a2">00220</a> <a class="codeRef" href="qcstring.html">QCString</a> <a class="code" href="classKCookie.html#a10e17a305d74a30dd4e21b2cbd7b15a2" title="Returns a list of magic cookies for the ICE protocol.">KCookie::iceAuth</a>() 
<a name="l00221"></a>00221 { 
<a name="l00222"></a>00222    <span class="keywordflow">if</span> (!m_bHaveICECookies)
<a name="l00223"></a>00223       getICECookie(); 
<a name="l00224"></a>00224    <span class="keywordflow">return</span> m_ICEAuth; 
<a name="l00225"></a>00225 }
</pre></div></div>
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