File: function.ldap-compare.html

package info (click to toggle)
php3 3%3A3.0.18-0potato1.1
links: PTS
area: main
in suites: potato
size: 17,736 kB
ctags: 11,198
sloc: ansic: 108,120; sh: 2,512; php: 2,024; yacc: 1,887; makefile: 1,038; perl: 537; pascal: 238; awk: 90; cpp: 28; sql: 11
file content (300 lines) | stat: -rw-r--r-- 4,256 bytes
parent folder | download | duplicates (3)
<HTML
><HEAD
><TITLE
>ldap_compare</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.57"><LINK
REL="HOME"
TITLE="PHP Manual"
HREF="manual.html"><LINK
REL="UP"
TITLE="LDAP functions"
HREF="ref.ldap.html"><LINK
REL="PREVIOUS"
TITLE="ldap_close"
HREF="function.ldap-close.html"><LINK
REL="NEXT"
TITLE="ldap_connect"
HREF="function.ldap-connect.html"><META
NAME="HTTP_EQUIV"
CONTENT="text/html; charset=ISO-8859-1"></HEAD
><BODY
CLASS="refentry"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>PHP Manual</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="function.ldap-close.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="function.ldap-connect.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="function.ldap-compare"
>ldap_compare</A
></H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN18868"
></A
><P
>    (PHP4 &#62;= 4.0.2)</P
>ldap_compare&nbsp;--&nbsp;Compare value of attribute found in entry specified with DN</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN18871"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN18873"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>ldap_compare</B
></CODE
> (int link_identifier, string dn, string attribute, string value)</CODE
></P
><P
></P
></DIV
><P
>&#13;     Returns true if <TT
CLASS="parameter"
><I
>value</I
></TT
> matches otherwise returns false. Returns -1 on error.
    </P
><P
>&#13;     <B
CLASS="function"
>ldap_compare()</B
> is used to compare <TT
CLASS="parameter"
><I
>value</I
></TT
>
      of <TT
CLASS="parameter"
><I
>attribute</I
></TT
> to value of same attribute in LDAP directory 
      entry specified with <TT
CLASS="parameter"
><I
>dn</I
></TT
>. 
    </P
><P
>&#13;     The following example demonstrates how to check whether or not given password matches
     the one defined in DN specified entry. 
    </P
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN18893"
></A
><P
><B
>Example 1. Complete example of password check</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>&#13;&#60;?php

$ds=ldap_connect("localhost");  // assuming the LDAP server is on this host
      
if ($ds) {

    // bind 
    if(ldap_bind($ds)) {

        // prepare data
        $dn = "cn=Matti Meikku, ou=My Unit, o=My Company, c=FI";
        $value = "secretpassword";
        $attr = "password";	

        // compare value
        $r=ldap_compare($ds, $dn, $attr, $value);

        if ($r === -1) {
            echo "Error: ".ldap_error($ds);
        } elseif ($r === TRUE) {
            echo "Password correct.";
        } elseif ($r === FALSE) {
            echo "Wrong guess! Password incorrect.";
        }

    } else {
        echo "Unable to bind to LDAP server.";
    }          

    ldap_close($ds);

} else {
    echo "Unable to connect to LDAP server.";
}
?&#62;

     </PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      <B
CLASS="function"
>ldap_compare()</B
> can NOT be used to compare BINARY values!
     </P
></BLOCKQUOTE
></DIV
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      This function was added in 4.0.2. 
     </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="function.ldap-close.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="manual.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="function.ldap-connect.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>ldap_close</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ref.ldap.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>ldap_connect</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>