<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Expect Usage Examples</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="expect.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.expect.html">Expect Functions</a></div> <div class="up"><a href="expect.examples.html">Examples</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="expect.examples-usage" class="section"> <h2 class="title">Expect Usage Examples</h2> <div class="example" id="example-3636"> <p><strong>Example #1 Expect Usage Example</strong></p> <div class="example-contents"><p> This example connects to the remote host via SSH, and prints the remote uptime. </p></div> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.loguser"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Off"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stream </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect://ssh root@remotehost uptime"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$cases </span><span style="color: #007700">= array (<br /> array (</span><span style="color: #0000BB">0 </span><span style="color: #007700">=> </span><span style="color: #DD0000">"password:"</span><span style="color: #007700">, </span><span style="color: #0000BB">1 </span><span style="color: #007700">=> </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">)<br />);<br /><br />switch (</span><span style="color: #0000BB">expect_expectl </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #0000BB">$cases</span><span style="color: #007700">)) {<br /> case </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"password\n"</span><span style="color: #007700">);<br /> break;<br /> <br /> default:<br /> die (</span><span style="color: #DD0000">"Error was occurred while connecting to the remote host!\n"</span><span style="color: #007700">);<br />}<br /><br />while (</span><span style="color: #0000BB">$line </span><span style="color: #007700">= </span><span style="color: #0000BB">fgets</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">)) {<br /> print </span><span style="color: #0000BB">$line</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">fclose </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> <p class="para"> The following example connects to the remote host, determines whether installed OS is for 32 or 64 bit, then runs update for specific package. </p> <div class="example" id="example-3637"> <p><strong>Example #2 Another Expect Usage Example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.timeout"</span><span style="color: #007700">, -</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.loguser"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Off"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stream </span><span style="color: #007700">= </span><span style="color: #0000BB">expect_popen</span><span style="color: #007700">(</span><span style="color: #DD0000">"ssh root@remotehost"</span><span style="color: #007700">);<br /><br />while (</span><span style="color: #0000BB">true</span><span style="color: #007700">) {<br /> switch (</span><span style="color: #0000BB">expect_expectl </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, array (<br /> array (</span><span style="color: #DD0000">"password:"</span><span style="color: #007700">, </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">), </span><span style="color: #FF8000">// SSH is asking for password<br /> </span><span style="color: #007700">array (</span><span style="color: #DD0000">"yes/no)?"</span><span style="color: #007700">, </span><span style="color: #0000BB">YESNO</span><span style="color: #007700">), </span><span style="color: #FF8000">// SSH is asking whether to store the host entry<br /> </span><span style="color: #007700">array (</span><span style="color: #DD0000">"~$ "</span><span style="color: #007700">, </span><span style="color: #0000BB">SHELL</span><span style="color: #007700">, </span><span style="color: #0000BB">EXP_EXACT</span><span style="color: #007700">), </span><span style="color: #FF8000">// We've got the shell!<br /> </span><span style="color: #007700">))) {<br /> case </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"secret\n"</span><span style="color: #007700">);<br /> break;<br /><br /> case </span><span style="color: #0000BB">YESNO</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"yes\n"</span><span style="color: #007700">);<br /> break;<br /><br /> case </span><span style="color: #0000BB">SHELL</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"uname -a\n"</span><span style="color: #007700">);<br /> while (</span><span style="color: #0000BB">true</span><span style="color: #007700">) {<br /> switch (</span><span style="color: #0000BB">expect_expectl </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, array (<br /> array (</span><span style="color: #DD0000">"~$ "</span><span style="color: #007700">, </span><span style="color: #0000BB">SHELL</span><span style="color: #007700">, </span><span style="color: #0000BB">EXP_EXACT</span><span style="color: #007700">), </span><span style="color: #FF8000">// We've got the shell!<br /> </span><span style="color: #007700">array (</span><span style="color: #DD0000">"^Linux.*$"</span><span style="color: #007700">, </span><span style="color: #0000BB">UNAME</span><span style="color: #007700">, </span><span style="color: #0000BB">EXP_REGEXP</span><span style="color: #007700">), </span><span style="color: #FF8000">// uname -a output<br /> </span><span style="color: #007700">), </span><span style="color: #0000BB">$match</span><span style="color: #007700">)) {<br /> case </span><span style="color: #0000BB">UNAME</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">$uname </span><span style="color: #007700">.= </span><span style="color: #0000BB">$match</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">];<br /> break;<br /><br /> case </span><span style="color: #0000BB">SHELL</span><span style="color: #007700">:<br /> </span><span style="color: #FF8000">// Run update:<br /> </span><span style="color: #007700">if (</span><span style="color: #0000BB">strstr </span><span style="color: #007700">(</span><span style="color: #0000BB">$uname</span><span style="color: #007700">, </span><span style="color: #DD0000">"x86_64"</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"rpm -Uhv http://mirrorsite/somepath/some_64bit.rpm\n"</span><span style="color: #007700">);<br /> } else {<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"rpm -Uhv http://mirrorsite/somepath/some_32bit.rpm\n"</span><span style="color: #007700">);<br /> }<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"exit\n"</span><span style="color: #007700">);<br /> break </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br /> case </span><span style="color: #0000BB">EXP_TIMEOUT</span><span style="color: #007700">:<br /> case </span><span style="color: #0000BB">EXP_EOF</span><span style="color: #007700">:<br /> break </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br /> default:<br /> die (</span><span style="color: #DD0000">"Error has occurred!\n"</span><span style="color: #007700">);<br /> }<br /> }<br /> break </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br /> case </span><span style="color: #0000BB">EXP_TIMEOUT</span><span style="color: #007700">:<br /> case </span><span style="color: #0000BB">EXP_EOF</span><span style="color: #007700">:<br /> break </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br /> default:<br /> die (</span><span style="color: #DD0000">"Error has occurred!\n"</span><span style="color: #007700">);<br /> }<br />}<br /><br /></span><span style="color: #0000BB">fclose </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="expect.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.expect.html">Expect Functions</a></div> <div class="up"><a href="expect.examples.html">Examples</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>