php - Http post over a captcha protected jsp page using curl -

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hello im trying make http post on jsp page using curl. it's not working. php code i'm trying.

<?php  if(isset($_post['submit'])){ $captcha = $_post['answer'];  $ch = curl_init(); curl_setopt($ch, curlopt_url,"http://example.com/post_comments.jsp"); curl_setopt($ch, curlopt_referer, 'http://www.example.com'); curl_setopt($ch, curlopt_post, 1); curl_setopt($ch, curlopt_postfields,  "post_id=123&body=blabla&title=blabla&name=blablabla8&captcha=$captcha");  curl_setopt($ch, curlopt_returntransfer, true);  $result= curl_exec ($ch); curl_close ($ch);  echo $result;  }else {  ?>  <form action="<?php echo $_server['php_self']; ?>" method="post">  <img src="http://example.com/captcha.jsp" /> <input name="answer" /> <p><input type="submit" name="submit" value="submit"></p>  </form>  <?php }  ?>

anybody please guide correct it. in advance

web pages made navigated humans, thats why might miss many things... cookies or session data. best bet make valid request page , copy requests made. can in firefox/firebug example, or wireshark.

in short: missing cookies, emulate them


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