/[LeafOK_CVS]/fenglin/bbs/ch_username_sub.php
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Diff of /fenglin/bbs/ch_username_sub.php

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Revision 1.6 by sysadm, Sat Mar 1 08:43:28 2025 UTC Revision 1.8 by sysadm, Wed Mar 26 11:48:07 2025 UTC
# Line 6  Line 6 
6  <?  <?
7  if ($_SESSION["BBS_uid"]==0)  if ($_SESSION["BBS_uid"]==0)
8  {  {
9          include "./force_login.inc.php";          echo ("尚未登陆");
10          exit();          exit();
11  }  }
12    
# Line 17  if (preg_match("/^[A-Za-z]{3,12}$/",$_SE Line 17  if (preg_match("/^[A-Za-z]{3,12}$/",$_SE
17          exit();          exit();
18  }  }
19    
20  $username=htmlspecialchars(trim($_POST["username"]), ENT_COMPAT | ENT_HTML401, 'UTF-8');  $username=trim($_POST["username"]);
 $username=addslashes($username);  
21    
22  if (!preg_match("/^[A-Za-z]{5,12}$/",$username))  if (!preg_match("/^[A-Za-z]{5,12}$/",$username))
23  {  {
# Line 33  if (!check_str($username)) Line 32  if (!check_str($username))
32    
33  $db_conn=include "./db_open.inc.php";  $db_conn=include "./db_open.inc.php";
34    
35  $rs=mysql_query("select UID from user_list where username='$username' limit 1");  $rs=mysql_query("select UID from user_list where username='" .
36            mysqli_real_escape_string($db_conn, $username) . "' limit 1");
37  if (mysql_num_rows($rs)>0)  if (mysql_num_rows($rs)>0)
38  {  {
39          error_msg ("用户名已存在！", true);          error_msg ("用户名已存在！", true);
# Line 41  if (mysql_num_rows($rs)>0) Line 41  if (mysql_num_rows($rs)>0)
41  }  }
42  mysql_free_result($rs);  mysql_free_result($rs);
43    
44  mysql_query("update user_list set username='$username'".  mysql_query("update user_list set username='" .
45            mysqli_real_escape_string($db_conn, $username) . "'".
46          " where UID=".$_SESSION["BBS_uid"])          " where UID=".$_SESSION["BBS_uid"])
47          or die("Update error!");          or die("Update error!");
48    

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