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<div class="title">su.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: su.cpp 592751 2006-10-05 16:22:44Z coolo $</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 <jansen@kde.org></span>
<a name="l00007"></a>00007 <span class="comment">* </span>
<a name="l00008"></a>00008 <span class="comment">* Sudo support added by Jonathan Riddell <jriddell@ ubuntu.com></span>
<a name="l00009"></a>00009 <span class="comment">* Copyright (C) 2005 Canonical Ltd</span>
<a name="l00010"></a>00010 <span class="comment">*</span>
<a name="l00011"></a>00011 <span class="comment">* This is free software; you can use this library under the GNU Library </span>
<a name="l00012"></a>00012 <span class="comment">* General Public License, version 2. See the file "COPYING.LIB" for the </span>
<a name="l00013"></a>00013 <span class="comment">* exact licensing terms.</span>
<a name="l00014"></a>00014 <span class="comment">*</span>
<a name="l00015"></a>00015 <span class="comment">* su.cpp: Execute a program as another user with "class SuProcess".</span>
<a name="l00016"></a>00016 <span class="comment">*/</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <config.h></span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <stdio.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <unistd.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <errno.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <string.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <ctype.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <signal.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="preprocessor">#include <qglobal.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <qcstring.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <qfile.h></span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <klocale.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <kstandarddirs.h></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#include "su.h"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "kcookie.h"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#ifndef __PATH_SU</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#define __PATH_SU "false"</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="preprocessor">#ifndef __PATH_SUDO</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define __PATH_SUDO "false"</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span>
<a name="l00053"></a>00053 SuProcess::SuProcess(<span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &user, <span class="keyword">const</span> <a class="codeRef" href="qcstring.html">QCString</a> &command)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 m_User = user;
<a name="l00056"></a>00056 m_Command = command;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 KConfig* config = KGlobal::config();
<a name="l00059"></a>00059 config->setGroup(<span class="stringliteral">"super-user-command"</span>);
<a name="l00060"></a>00060 superUserCommand = config->readEntry(<span class="stringliteral">"super-user-command"</span>, DEFAULT_SUPER_USER_COMMAND);
<a name="l00061"></a>00061 <span class="keywordflow">if</span> ( superUserCommand != <span class="stringliteral">"sudo"</span> && superUserCommand != <span class="stringliteral">"su"</span> ) {
<a name="l00062"></a>00062 kdWarning() << <span class="stringliteral">"unknown super user command"</span> << endl;
<a name="l00063"></a>00063 superUserCommand = <span class="stringliteral">"su"</span>;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00068"></a>00068 SuProcess::~SuProcess()
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a><a class="code" href="classSuProcess.html#a50605de0f1eb26e4a3ec2aee5ef012fe">00072</a> <span class="keywordtype">int</span> <a class="code" href="classSuProcess.html#a50605de0f1eb26e4a3ec2aee5ef012fe" title="Checks if the stub is installed and the password is correct.">SuProcess::checkInstall</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *password)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordflow">return</span> <a class="code" href="classSuProcess.html#a53641f757432b008d5641062b64db5f9">exec</a>(password, Install);
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a><a class="code" href="classSuProcess.html#a438c8a07924441a14f878cee8f3631f3">00077</a> <span class="keywordtype">int</span> <a class="code" href="classSuProcess.html#a438c8a07924441a14f878cee8f3631f3" title="Checks if a password is needed.">SuProcess::checkNeedPassword</a>()
<a name="l00078"></a>00078 {
<a name="l00079"></a>00079 <span class="keywordflow">return</span> <a class="code" href="classSuProcess.html#a53641f757432b008d5641062b64db5f9">exec</a>(0L, NeedPassword);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">/*</span>
<a name="l00083"></a>00083 <span class="comment">* Execute a command with su(1).</span>
<a name="l00084"></a>00084 <span class="comment">*/</span>
<a name="l00085"></a>00085
<a name="l00086"></a><a class="code" href="classSuProcess.html#a53641f757432b008d5641062b64db5f9">00086</a> <span class="keywordtype">int</span> <a class="code" href="classSuProcess.html#a53641f757432b008d5641062b64db5f9">SuProcess::exec</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *password, <span class="keywordtype">int</span> check)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (check)
<a name="l00089"></a>00089 <a class="code" href="classPtyProcess.html#a5fe99b8ab204e8f4f0135b467c9be2d2" title="Enables/disables terminal output.">setTerminal</a>(<span class="keyword">true</span>);
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="comment">// since user may change after constructor (due to setUser())</span>
<a name="l00092"></a>00092 <span class="comment">// we need to override sudo with su for non-root here</span>
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (m_User != <span class="stringliteral">"root"</span>) {
<a name="l00094"></a>00094 superUserCommand = <span class="stringliteral">"su"</span>;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <a class="codeRef" href="qvaluelist.html">QCStringList</a> args;
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (superUserCommand == <span class="stringliteral">"sudo"</span>) {
<a name="l00099"></a>00099 args += <span class="stringliteral">"-u"</span>;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="preprocessor">#ifdef Q_OS_DARWIN</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span> args += <span class="stringliteral">"-c"</span>;
<a name="l00104"></a>00104 args += <span class="stringliteral">"staff"</span>;
<a name="l00105"></a>00105 <span class="preprocessor">#endif</span>
<a name="l00106"></a>00106 <span class="preprocessor"></span>
<a name="l00107"></a>00107 <span class="keywordflow">if</span> ((m_Scheduler != SchedNormal) || (m_Priority > 50))
<a name="l00108"></a>00108 args += <span class="stringliteral">"root"</span>;
<a name="l00109"></a>00109 <span class="keywordflow">else</span>
<a name="l00110"></a>00110 args += m_User;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordflow">if</span> (superUserCommand == <span class="stringliteral">"su"</span>) {
<a name="l00113"></a>00113 args += <span class="stringliteral">"-c"</span>;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 args += <a class="codeRef" href="qcstring.html">QCString</a>(__KDE_BINDIR) + <span class="stringliteral">"/kdesu_stub"</span>;
<a name="l00116"></a>00116 <span class="preprocessor">#ifndef Q_OS_DARWIN</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span> args += <span class="stringliteral">"-"</span>;
<a name="l00118"></a>00118 <span class="preprocessor">#endif</span>
<a name="l00119"></a>00119 <span class="preprocessor"></span>
<a name="l00122"></a>00122 <a class="codeRef" href="qcstring.html">QCString</a> command;
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (superUserCommand == <span class="stringliteral">"sudo"</span>) {
<a name="l00124"></a>00124 command = __PATH_SUDO;
<a name="l00125"></a>00125 } <span class="keywordflow">else</span> {
<a name="l00126"></a>00126 command = __PATH_SU;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (::access(command, X_OK) != 0)
<a name="l00130"></a>00130 {
<a name="l00132"></a>00132 command = <a class="codeRef" href="qfile.html#encodeName">QFile::encodeName</a>( KGlobal::dirs()->findExe(superUserCommand.<a class="codeRef" href="qstring.html#ascii">ascii</a>()) );
<a name="l00133"></a>00133 <span class="keywordflow">if</span> (command.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00134"></a>00134 <span class="keywordflow">return</span> check ? SuNotFound : -1;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="comment">// kdDebug(900) << k_lineinfo << "Call StubProcess::exec()" << endl;</span>
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (<a class="code" href="classPtyProcess.html#a109647b1399b9815dad3cb67e1bd86e1" title="Forks off and execute a command.">StubProcess::exec</a>(command, args) < 0)
<a name="l00139"></a>00139 {
<a name="l00140"></a>00140 <span class="keywordflow">return</span> check ? SuNotFound : -1;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="comment">// kdDebug(900) << k_lineinfo << "Done StubProcess::exec()" << endl;</span>
<a name="l00143"></a>00143
<a name="l00144"></a>00144 SuErrors ret = (SuErrors) ConverseSU(password);
<a name="l00145"></a>00145 <span class="comment">// kdDebug(900) << k_lineinfo << "Conversation returned " << ret << endl;</span>
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordflow">if</span> (ret == error)
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (!check)
<a name="l00150"></a>00150 kdError(900) << k_lineinfo << <span class="stringliteral">"Conversation with "</span> << superUserCommand << <span class="stringliteral">" failed\n"</span>;
<a name="l00151"></a>00151 <span class="keywordflow">return</span> ret;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (check == NeedPassword)
<a name="l00154"></a>00154 {
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (ret == killme)
<a name="l00156"></a>00156 {
<a name="l00161"></a>00161 <span class="keywordflow">if</span> ( superUserCommand == <span class="stringliteral">"sudo"</span> ) {
<a name="l00162"></a>00162 <span class="comment">// sudo can not be killed, just return</span>
<a name="l00163"></a>00163 <span class="keywordflow">return</span> ret;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 <span class="keywordflow">if</span> (kill(m_Pid, SIGKILL) < 0) {
<a name="l00166"></a>00166 kdDebug() << k_funcinfo << <span class="stringliteral">"kill < 0"</span> << endl;
<a name="l00167"></a>00167 <span class="comment">//FIXME SIGKILL doesn't work for sudo,</span>
<a name="l00168"></a>00168 <span class="comment">//why is this different from su?</span>
<a name="l00169"></a>00169 ret=error;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 <span class="keywordflow">else</span>
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordtype">int</span> iret = <a class="code" href="classPtyProcess.html#a6355fbb06209004a5925bfcd5190fbaa" title="Waits for the child to exit.">waitForChild</a>();
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (iret < 0) ret=error;
<a name="l00175"></a>00175 <span class="keywordflow">else</span> <span class="comment">/* nothing */</span> {} ;
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178 <span class="keywordflow">return</span> ret;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordflow">if</span> (m_bErase && password)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordtype">char</span> *ptr = <span class="keyword">const_cast<</span><span class="keywordtype">char</span> *<span class="keyword">></span>(password);
<a name="l00184"></a>00184 <span class="keyword">const</span> uint plen = strlen(password);
<a name="l00185"></a>00185 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i=0; i < plen; i++)
<a name="l00186"></a>00186 ptr[i] = <span class="charliteral">'\000'</span>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (ret == notauthorized)
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 kill(m_Pid, SIGKILL);
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (superUserCommand != <span class="stringliteral">"sudo"</span>) {
<a name="l00193"></a>00193 <a class="code" href="classPtyProcess.html#a6355fbb06209004a5925bfcd5190fbaa" title="Waits for the child to exit.">waitForChild</a>();
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 <span class="keywordflow">return</span> SuIncorrectPassword;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keywordtype">int</span> iret = <a class="code" href="classStubProcess.html#acabf44ebf9567a4b47ff74b259c30e19" title="Exchange all parameters with kdesu_stub.">ConverseStub</a>(check);
<a name="l00199"></a>00199 <span class="keywordflow">if</span> (iret < 0)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (!check)
<a name="l00202"></a>00202 kdError(900) << k_lineinfo << <span class="stringliteral">"Converstation with kdesu_stub failed\n"</span>;
<a name="l00203"></a>00203 <span class="keywordflow">return</span> iret;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (iret == 1)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 kill(m_Pid, SIGKILL);
<a name="l00208"></a>00208 <a class="code" href="classPtyProcess.html#a6355fbb06209004a5925bfcd5190fbaa" title="Waits for the child to exit.">waitForChild</a>();
<a name="l00209"></a>00209 <span class="keywordflow">return</span> SuIncorrectPassword;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212 <span class="keywordflow">if</span> (check == Install)
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 <a class="code" href="classPtyProcess.html#a6355fbb06209004a5925bfcd5190fbaa" title="Waits for the child to exit.">waitForChild</a>();
<a name="l00215"></a>00215 <span class="keywordflow">return</span> 0;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217
<a name="l00218"></a>00218 iret = <a class="code" href="classPtyProcess.html#a6355fbb06209004a5925bfcd5190fbaa" title="Waits for the child to exit.">waitForChild</a>();
<a name="l00219"></a>00219 <span class="keywordflow">return</span> iret;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">/*</span>
<a name="l00223"></a>00223 <span class="comment">* Conversation with su: feed the password.</span>
<a name="l00224"></a>00224 <span class="comment">* Return values: -1 = error, 0 = ok, 1 = kill me, 2 not authorized</span>
<a name="l00225"></a>00225 <span class="comment">*/</span>
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keywordtype">int</span> SuProcess::ConverseSU(<span class="keyword">const</span> <span class="keywordtype">char</span> *password)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229 <span class="keyword">enum</span> { WaitForPrompt, CheckStar, HandleStub } state = WaitForPrompt;
<a name="l00230"></a>00230 <span class="keywordtype">int</span> colon;
<a name="l00231"></a>00231 <span class="keywordtype">unsigned</span> i, j;
<a name="l00232"></a>00232 <span class="comment">// kdDebug(900) << k_lineinfo << "ConverseSU starting." << endl;</span>
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <a class="codeRef" href="qcstring.html">QCString</a> line;
<a name="l00235"></a>00235 <span class="keywordflow">while</span> (<span class="keyword">true</span>)
<a name="l00236"></a>00236 {
<a name="l00237"></a>00237 line = <a class="code" href="classPtyProcess.html#a390666b66acce75e8d1baf3df72422fe" title="Reads a line from the program's standard out.">readLine</a>();
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (line.<a class="codeRef" href="qcstring.html#isNull">isNull</a>())
<a name="l00239"></a>00239 <span class="keywordflow">return</span> ( state == HandleStub ? notauthorized : error);
<a name="l00240"></a>00240 kdDebug(900) << k_lineinfo << <span class="stringliteral">"Read line <"</span> << line << <span class="stringliteral">">"</span> << endl;
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="keywordflow">switch</span> (state)
<a name="l00243"></a>00243 {
<a name="l00245"></a>00245 <span class="keywordflow">case</span> WaitForPrompt:
<a name="l00246"></a>00246 {
<a name="l00247"></a>00247 <span class="comment">// In case no password is needed.</span>
<a name="l00248"></a>00248 <span class="keywordflow">if</span> (line == <span class="stringliteral">"kdesu_stub"</span>)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 <a class="code" href="classPtyProcess.html#a8befae498020dd0dd25faedb58eca808" title="Puts back a line of input.">unreadLine</a>(line);
<a name="l00251"></a>00251 <span class="keywordflow">return</span> ok;
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keywordflow">while</span>(<a class="code" href="classPtyProcess.html#a131b9711d9b7940e23a8453f56619bfa" title="Wait ms miliseconds (ie.">waitMS</a>(m_Fd,100)>0)
<a name="l00255"></a>00255 {
<a name="l00256"></a>00256 <span class="comment">// There is more output available, so the previous line</span>
<a name="l00257"></a>00257 <span class="comment">// couldn't have been a password prompt (the definition</span>
<a name="l00258"></a>00258 <span class="comment">// of prompt being that there's a line of output followed </span>
<a name="l00259"></a>00259 <span class="comment">// by a colon, and then the process waits).</span>
<a name="l00260"></a>00260 <a class="codeRef" href="qcstring.html">QCString</a> more = <a class="code" href="classPtyProcess.html#a390666b66acce75e8d1baf3df72422fe" title="Reads a line from the program's standard out.">readLine</a>();
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (more.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00262"></a>00262 <span class="keywordflow">break</span>;
<a name="l00263"></a>00263
<a name="l00264"></a>00264 line = more;
<a name="l00265"></a>00265 kdDebug(900) << k_lineinfo << <span class="stringliteral">"Read line <"</span> << more << <span class="stringliteral">">"</span> << endl;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="comment">// Match "Password: " with the regex ^[^:]+:[\w]*$.</span>
<a name="l00269"></a>00269 <span class="keyword">const</span> uint len = line.<a class="codeRef" href="qcstring.html#length">length</a>();
<a name="l00270"></a>00270 <span class="keywordflow">for</span> (i=0,j=0,colon=0; i<len; i++)
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 <span class="keywordflow">if</span> (line[i] == <span class="charliteral">':'</span>)
<a name="l00273"></a>00273 {
<a name="l00274"></a>00274 j = i; colon++;
<a name="l00275"></a>00275 <span class="keywordflow">continue</span>;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 <span class="keywordflow">if</span> (!isspace(line[i]))
<a name="l00278"></a>00278 j++;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 <span class="keywordflow">if</span> ((colon == 1) && (line[j] == <span class="charliteral">':'</span>))
<a name="l00281"></a>00281 {
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (password == 0L)
<a name="l00283"></a>00283 <span class="keywordflow">return</span> killme;
<a name="l00284"></a>00284 <span class="keywordflow">if</span> (!<a class="code" href="classPtyProcess.html#a6c8c5e6eb93c0c9378bf21d94f60d1aa" title="Basic check for the existence of pid.">checkPid</a>(m_Pid))
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 kdError(900) << superUserCommand << <span class="stringliteral">" has exited while waiting for pwd."</span> << endl;
<a name="l00287"></a>00287 <span class="keywordflow">return</span> error;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 <span class="keywordflow">if</span> ((<a class="code" href="classPtyProcess.html#abce600589977c5b7aaee94bf4c8cd112" title="Waits until the pty has cleared the ECHO flag.">WaitSlave</a>() == 0) && <a class="code" href="classPtyProcess.html#a6c8c5e6eb93c0c9378bf21d94f60d1aa" title="Basic check for the existence of pid.">checkPid</a>(m_Pid))
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 write(m_Fd, password, strlen(password));
<a name="l00292"></a>00292 write(m_Fd, <span class="stringliteral">"\n"</span>, 1);
<a name="l00293"></a>00293 state=CheckStar;
<a name="l00294"></a>00294 }
<a name="l00295"></a>00295 <span class="keywordflow">else</span>
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 <span class="keywordflow">return</span> error;
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299 }
<a name="l00300"></a>00300 <span class="keywordflow">break</span>;
<a name="l00301"></a>00301 }
<a name="l00303"></a>00303 <span class="keywordflow">case</span> CheckStar:
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 <a class="codeRef" href="qcstring.html">QCString</a> s = line.<a class="codeRef" href="qcstring.html#stripWhiteSpace">stripWhiteSpace</a>();
<a name="l00306"></a>00306 <span class="keywordflow">if</span> (s.<a class="codeRef" href="qcstring.html#isEmpty">isEmpty</a>())
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 state=HandleStub;
<a name="l00309"></a>00309 <span class="keywordflow">break</span>;
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311 <span class="keyword">const</span> uint len = line.<a class="codeRef" href="qcstring.html#length">length</a>();
<a name="l00312"></a>00312 <span class="keywordflow">for</span> (i=0; i< len; i++)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (s[i] != <span class="charliteral">'*'</span>)
<a name="l00315"></a>00315 <span class="keywordflow">return</span> error;
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 state=HandleStub;
<a name="l00318"></a>00318 <span class="keywordflow">break</span>;
<a name="l00319"></a>00319 }
<a name="l00321"></a>00321 <span class="keywordflow">case</span> HandleStub:
<a name="l00322"></a>00322 <span class="comment">// Read till we get "kdesu_stub"</span>
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (line == <span class="stringliteral">"kdesu_stub"</span>)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <a class="code" href="classPtyProcess.html#a8befae498020dd0dd25faedb58eca808" title="Puts back a line of input.">unreadLine</a>(line);
<a name="l00326"></a>00326 <span class="keywordflow">return</span> ok;
<a name="l00327"></a>00327 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (superUserCommand == <span class="stringliteral">"sudo"</span>) {
<a name="l00328"></a>00328 <span class="comment">// sudo gives a "sorry" line so reaches here</span>
<a name="l00329"></a>00329 <span class="comment">// with the wrong password</span>
<a name="l00330"></a>00330 <span class="keywordflow">return</span> notauthorized;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 <span class="keywordflow">break</span>;
<a name="l00334"></a>00334 } <span class="comment">// end switch</span>
<a name="l00335"></a>00335 } <span class="comment">// end while (true)</span>
<a name="l00336"></a>00336 <span class="keywordflow">return</span> ok;
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338
<a name="l00339"></a>00339 <span class="keywordtype">void</span> SuProcess::virtual_hook( <span class="keywordtype">int</span> <span class="keywordtype">id</span>, <span class="keywordtype">void</span>* data )
<a name="l00340"></a>00340 { StubProcess::virtual_hook( <span class="keywordtype">id</span>, data ); }
<a name="l00341"></a>00341
<a name="l00342"></a>00342
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