phpldapadmin/functions.php
2009-06-30 18:07:14 +10:00

1031 lines
28 KiB
PHP

<?php
/*
* functions.php
* A collection of functions used throughout phpLDAPadmin.
*/
@include 'config.php';
/*
* Used to determine if the specified attribute is indeed a jpegPhoto
*/
function is_jpeg_photo( $server_id, $attr_name )
{
// easy quick check
if( 0 == strcasecmp( $attr_name, 'jpegPhoto' ) ||
0 == strcasecmp( $attr_name, 'photo' ) )
return true;
// go to the schema and get the Syntax OID
require_once realpath( 'schema_functions.php' );
$schema_attr = get_schema_attribute( $server_id, $attr_name );
if( ! $schema_attr )
return false;
$oid = $schema_attr->getSyntaxOID();
$type = $schema_attr->getType();
if( 0 == strcasecmp( $type, 'JPEG' ) )
return true;
if( $oid == '1.3.6.1.4.1.1466.115.121.1.28' )
return true;
return false;
}
/*
* Given an attribute name and server id number, this function returns
* whether the attrbiute may contain binary data.
*/
function is_attr_binary( $server_id, $attr_name )
{
require_once realpath( 'schema_functions.php' );
$schema_attrs = get_schema_attributes( $server_id );
if( 0 == strcasecmp( substr( $attr_name, strlen( $attr_name ) - 7 ), ";binary" ) )
return true;
if( isset( $schema_attrs[ strtolower( $attr_name ) ] ) ) {
$type = $schema_attrs[ strtolower( $attr_name ) ]->getType();
$syntax = $schema_attrs[ strtolower( $attr_name ) ]->getSyntaxOID();
if( 0 == strcasecmp( substr( $attr_name, strlen( $attr_name ) - 7 ), ";binary" ) ||
0 == strcasecmp( $type, 'Certificate' ) ||
0 == strcasecmp( $type, 'Binary' ) ||
0 == strcasecmp( $attr_name, 'networkAddress' ) ||
0 == strcasecmp( $attr_name, 'userCertificate' ) ||
0 == strcasecmp( $attr_name, 'userSMIMECertificate' ) ||
$syntax == '1.3.6.1.4.1.1466.115.121.1.10' ||
$syntax == '1.3.6.1.4.1.1466.115.121.1.28' ||
$syntax == '1.3.6.1.4.1.1466.115.121.1.5' ||
$syntax == '1.3.6.1.4.1.1466.115.121.1.8' ||
$syntax == '1.3.6.1.4.1.1466.115.121.1.9' )
return true;
else
return false;
}
return false;
}
/*
* Returns true if the specified server is configured to be displayed
* in read only mode. If a user has logged in via anonymous bind, and
* config.php specifies anonymous_bind_implies_read_only as true, then
* this also returns true.
*/
function is_server_read_only( $server_id )
{
global $servers;
if( isset( $servers[$server_id]['read_only'] ) &&
$servers[$server_id]['read_only'] == true )
return true;
global $anonymous_bind_implies_read_only;
if( 0 == strcasecmp( "anonymous", get_logged_in_dn( $server_id ) ) &&
isset( $anonymous_bind_implies_read_only ) &&
$anonymous_bind_implies_read_only == true )
return true;
return false;
}
/*
* Given a DN and server ID, this function reads the DN's objectClasses and
* determines which icon best represents the entry. The results of this query
* are cached in a session variable so it is not run *every* time the tree
* browser changes, just when exposing new DNs that were not displayed
* previously. That means we can afford a little bit of inefficiency here
* in favor of coolness. :)
*/
function get_icon( $server_id, $dn )
{
// fetch and lowercase all the objectClasses in an array
$object_classes = get_object_attr( $server_id, $dn, 'objectClass', true );
if( $object_classes === null || $object_classes === false)
return 'object.png';
foreach( $object_classes as $i => $class )
$object_classes[$i] = strtolower( $class );
$rdn = get_rdn( $dn );
// Is it a samba NT machine (is sambaAccount and ends with '$')
if( in_array( 'sambaaccount', $object_classes ) &&
'$' == $rdn{ strlen($rdn) - 1 } )
return 'nt.png';
// Is it a person or some type of account/user?
elseif( in_array( 'person', $object_classes ) ||
in_array( 'organizationalperson', $object_classes ) ||
in_array( 'inetorgperson', $object_classes ) ||
in_array( 'account', $object_classes ) ||
in_array( 'posixaccount', $object_classes ) )
return 'user.png';
// Is it an organization?
elseif ( in_array( 'organization', $object_classes ) )
return 'o.png';
// Is it an organizational Unit?
elseif( in_array( 'organizationalunit', $object_classes ) )
return 'ou.png';
// Is it a domain controler (dc)
elseif( in_array( 'dcobject', $object_classes ) ||
in_array( 'domainrelatedobject', $object_classes ) )
return 'dc.png';
elseif( in_array( 'country', $object_classes ) )
return 'country.png';
elseif( in_array( 'jammvirtualdomain', $object_classes ) )
return 'mail.png';
elseif( in_array( 'locality', $object_classes ) )
return 'locality.png';
elseif( in_array( 'posixgroup', $object_classes ) )
return 'ou.png';
// Oh well, I don't know what it is. Use a generic icon.
else
return 'object.png';
}
/*
* Given a server_id, returns whether or not we have enough information
* to authenticate against the server. For example, if the user specifies
* 'cookie' in the config for that server, it checks the $_COOKIE array to
* see if the cookie username and password is set for the server.
*/
function have_auth_info( $server_id )
{
global $servers;
if( ! is_numeric( $server_id ) || ! isset( $servers[$server_id] ) )
return false;
$server = $servers[$server_id];
if( $server['auth_type'] == 'form' )
{
global $_COOKIE;
if( isset( $_COOKIE[ 'pla_login_dn_' . $server_id ] ) &&
isset( $_COOKIE[ 'pla_pass_' . $server_id ] ) )
return true;
else
return false;
}
// whether or not the login_dn or pass is specified, we return
// true here. (if they are blank, we do an anonymous bind anyway)
elseif( $server['auth_type'] == 'config' )
{
return true;
}
else
{
pla_error( "Error: You have an error in your config file. The only two allowed
values for 'auth_type' in the $servers section are 'config' and
'form'. You entered '" . htmlspecialchars($server['auth_type']) . "', which
is not allowed. " );
}
}
function get_logged_in_pass( $server_id )
{
global $_COOKIE;
$pass = $_COOKIE[ 'pla_login_pass_' . $server_id ];
if( $pass == '0' )
return false;
else
return $pass;
}
function get_logged_in_dn( $server_id )
{
global $_COOKIE;
$cookie_name = 'pla_login_dn_' . $server_id;
if( isset( $_COOKIE[ $cookie_name ] ) )
$dn = $_COOKIE[ $cookie_name ];
else
return false;
if( $dn == '0' )
return 'Anonymous';
else
return $dn;
}
/*
* Specify a $server_id (0,1,2...) based on the order it appears in config.php.
* The first is 0, the second is 1, etc. You rarely will need to consult
* config.php since those values are usually generated dynamically in hrefs.
*/
function pla_ldap_connect( $server_id )
{
if( ! check_server_id( $server_id ) )
return false;
if( ! have_auth_info( $server_id ) )
return false;
global $servers;
// cache the connection, so if we are called multiple
// times, we don't have to reauthenticate with the LDAP server
static $conns;
if( isset( $conns[$server_id] ) && $conns[$server_id] )
return $conns[$server_id];
$host = $servers[$server_id]['host'];
$port = $servers[$server_id]['port'];
if( ! $port ) $port = 389;
$conn = @ldap_connect( $host, $port );
if( ! $conn ) return false;
// go with LDAP version 3 if possible (needed for renaming and Novell schema fetching)
@ldap_set_option( $conn, LDAP_OPT_PROTOCOL_VERSION, 3 );
// try to fire up TLS is specified in the config
if( $servers[ $server_id ][ 'tls' ] == true ) {
function_exists( 'ldap_start_tls' ) or pla_error( "Your PHP install does not support TLS" );
@ldap_start_tls( $conn ) or pla_error( "Could not start TLS.<br />Please check your ".
"LDAP server configuration." );
}
// grab the auth info based on the auth_type for this server
if( $servers[ $server_id ][ 'auth_type' ] == 'config' ) {
$login_dn = $servers[$server_id]['login_dn'];
$login_pass = $servers[$server_id]['login_pass'];
} elseif( $servers[ $server_id ][ 'auth_type' ] == 'form' ) {
global $_COOKIE;
$login_dn = $_COOKIE['pla_login_dn_' . $server_id ];
$login_pass = $_COOKIE['pla_pass_' . $server_id ];
// Was this an anonyous bind (the cookie stores 0 if so)?
if( '0' == $login_dn ) {
$login_dn = null;
$login_pass = null;
}
} else {
pla_error( "You have an error in your config file. auth_type of " .
htmlspecialchars( $servers[ $server_id ][ 'auth_type' ] ) .
" is not valid." );
}
$res = @ldap_bind( $conn, $login_dn, $login_pass );
if( ! $res ) return false;
// store the cached connection resource
$conns[$server_id] = $conn;
return $conn;
}
/*
* Returns an array listing the DNs contained by the specified $dn
*/
function get_container_contents( $server_id, $dn, $size_limit=0 )
{
$con = pla_ldap_connect( $server_id );
if( ! $con ) return false;
$search = @ldap_list( $con, $dn, 'objectClass=*', array( 'dn' ), 1, $size_limit );
if( ! $search )
return array();
$search = ldap_get_entries( $con, $search );
$return = array();
for( $i=0; $i<$search['count']; $i++ ) {
$entry = $search[$i];
$dn = $entry['dn'];
$return[] = $dn;
}
return $return;
}
/*
* Builds the initial tree that is stored in the session variable 'tree'.
* Simply returns an array with an entry for each active server in
* config.php
*/
function build_initial_tree()
{
global $servers;
$tree = array();
foreach( $servers as $id => $server ) {
if( $server['host'] == '' ) {
continue;
/*
$root_dn = try_to_get_root_dn( $id );
echo "Root is $root_dn<br />";
if( $root_dn )
$tree[$id][$root_dn] = array();
*/
}
$dn = $server['base'];
$tree[$id] = array();
}
return $tree;
}
/*
* Builds the initial array that stores the icon-lookup for each DN in the tree browser
*/
function build_initial_tree_icons()
{
global $servers;
$tree_icons = array();
// initialize an empty array for each server
foreach( $servers as $id => $server ) {
if( $server['host'] == '' )
continue;
$tree_icons[ $id ] = array();
$tree_icons[ $id ][ $server['base'] ] = get_icon( $id, $server['base'] );
}
return $tree_icons;
}
function get_entry_system_attrs( $server_id, $dn )
{
$conn = pla_ldap_connect( $server_id );
if( ! $conn ) return false;
$search = @ldap_read( $conn, $dn, '(objectClass=*)', array("+"), 0, 200, 0, LDAP_DEREF_ALWAYS );
if( ! $search )
return false;
$entry = ldap_first_entry( $conn, $search );
$attrs = ldap_get_attributes( $conn, $entry );
$count = $attrs['count'];
unset( $attrs['count'] );
//echo "<pre>"; print_r( $attrs );
for( $i=0; $i<$count; $i++ ) {
$attr_name = $attrs[$i];
unset( $attrs[$attr_name]['count'] );
$return_attrs[$attr_name] = $attrs[$attr_name];
}
return $return_attrs;
}
/*
* Returns the attribute/value pairs for the given $dn on the given
* $server_id. If the attribute is single valued, it will return
* a single value for that attribute. Otherwise, it will return an
* array of values for that attribute. Here's a sample return value:
*
* Array
* (
* [objectclass] => Array
* (
* [0] => organizationalRole
* [1] => krb5principal
* [2] => kerberosSecurityObject
* )
* [cn] => Manager
* [krbname] => phpldap@EXAMPLE.COM
* [dn] => cn=Manager,dc=example,dc=com
* )
*/
function get_object_attrs( $server_id, $dn, $lower_case_attr_names = false )
{
$conn = pla_ldap_connect( $server_id );
if( ! $conn ) return false;
$search = @ldap_read( $conn, $dn, '(objectClass=*)', array( ), 0, 200, 0, LDAP_DEREF_ALWAYS );
if( ! $search )
return false;
$entry = ldap_first_entry( $conn, $search );
$attrs = ldap_get_attributes( $conn, $entry );
if( ! $attrs || $attrs['count'] == 0 ) {
return false;
}
$num_attrs = $attrs['count'];
unset( $attrs['count'] );
// strip numerical inices
for( $i=0; $i<$num_attrs; $i++ )
unset( $attrs[$i] );
$return_array = array();
foreach( $attrs as $attr => $vals ) {
if( $lower_case_attr_names )
$attr = strtolower( $attr );
$count = $vals['count'];
unset( $vals['count'] );
$return_array[ $attr ] = $vals;
}
ksort( $return_array );
return $return_array;
}
/*
* Returns true if the passed string $temp contains all printable
* ASCII characters. Otherwise (like if it contains binary data),
* returns false.
*/
function is_printable_str($temp) {
$len = strlen($temp);
for ($i=0; $i<$len; $i++) {
$ascii_val = ord( substr( $temp,$i,1 ) );
if( $ascii_val < 32 || $ascii_val > 126 )
return false;
}
return true;
}
/*
* Much like get_object_attrs(), but only returns the entry for
* one attribute of an object. Again, if the attribute contains
* multiple values, returns an array of values. Otherwise, it
* returns the single attribute value.
* TODO: Don't call get_object_attrs() and filter. Do the actual ldap_read() ourselves (for efficiencey)
*/
function get_object_attr( $server_id, $dn, $attr )
{
$attr = strtolower( $attr );
$attrs = get_object_attrs( $server_id, $dn, true );
if( isset( $attrs[$attr] ) )
return $attrs[$attr];
else
return false;
}
/*
* A do-it-all ldap_search function. You can even specify the search scope. Other than
* that, it's pretty much the same as the PHP ldap_search() call, except it returns
* an array of results, rather than an LDAP result resource.
*/
function pla_ldap_search( $server_id, $filter, $base_dn=null, $attrs=array(), $scope='sub', $sort_results=true )
{
global $servers;
if( ! check_server_id( $server_id ) )
return false;
if( $base_dn == null )
$base_dn = $servers[$server_id]['base'];
$ds = pla_ldap_connect( $server_id );
if( ! $ds )
return false;
switch( $scope ) {
case 'base':
$search = @ldap_read( $ds, $base_dn, $filter, $attrs, 0, 200, 0, LDAP_DEREF_ALWAYS );
break;
case 'one':
$search = @ldap_list( $ds, $base_dn, $filter, $attrs, 0, 200, 0, LDAP_DEREF_ALWAYS );
break;
case 'sub':
default:
$search = @ldap_search( $ds, $base_dn, $filter, $attrs, 0, 200, 0, LDAP_DEREF_ALWAYS );
break;
}
if( ! $search )
return array();
//get the first entry identifier
if( $entry_id = ldap_first_entry($ds,$search) )
//iterate over the entries
while($entry_id) {
//get the distinguished name of the entry
$dn = ldap_get_dn($ds,$entry_id);
//get the attributes of the entry
$attrs = ldap_get_attributes($ds,$entry_id);
$return[$dn]['dn'] = $dn;
//get the first attribute of the entry
if($attr = ldap_first_attribute($ds,$entry_id,$attrs))
//iterate over the attributes
while($attr){
if( is_attr_binary($server_id,$attr))
$values = ldap_get_values_len($ds,$entry_id,$attr);
else
$values = ldap_get_values($ds,$entry_id,$attr);
//get the number of values for this attribute
$count = $values['count'];
unset($values['count']);
if($count==1)
$return[$dn][$attr] = $values[0];
else
$return[$dn][$attr] = $values;
$attr = ldap_next_attribute($ds,$entry_id,$attrs);
}// end while attr
$entry_id = ldap_next_entry($ds,$entry_id);
} // end while entry_id
if( $sort_results && is_array( $return ) )
ksort( $return );
return $return;
}
/*
* Transforms the user-configured lists into arrays and such. This is a little weird, but
* it takes the comma-separated lists (like the search result attribute list) in config.php
* and turns them into arrays. Only call this ONCE per script. Any subsequent call will
* mess up the arrays. This function operates only on global variables defined in config.php.
*/
function process_config()
{
global $search_result_attributes;
$search_result_attributes = explode( ",", $search_result_attributes );
array_walk( $search_result_attributes, "trim_it" );
global $search_attributes_display;
$search_attributes_display = explode( ",", $search_attributes_display );
array_walk( $search_attributes_display, "trim_it" );
global $search_attributes;
$search_attributes= explode( ",", $search_attributes);
array_walk( $search_attributes, "trim_it" );
}
/*
* Call-by-reference to trim a string. Used to filter empty entries out of the arrays
* that we generate in process_config().
*/
function trim_it( &$str )
{
$str = trim($str);
}
/*
* Checks the server id for sanity. Ensures that the server is indeed in the configured list and active
*/
function check_server_id( $server_id )
{
global $servers;
if( ! is_numeric( $server_id ) || ! isset( $servers[$server_id] ) || $servers[$server_id]['host'] == '' )
return false;
else
return true;
}
/*
* Used to generate a random salt for crypt-style passwords
* --- added 20021125 by bayu irawan <bayuir@divnet.telkom.co.id> ---
* --- ammended 20030625 by S C Rigler <srigler@houston.rr.com> ---
*/
function random_salt( $length )
{
$possible = '0123456789'.
'abcdefghijklmnopqrstuvwxyz'.
'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
'./';
$str = "";
mt_srand((double)microtime() * 1000000);
while( strlen( $str ) < $length )
{
$str .= substr( $possible, ( rand() % strlen( $possible ) ), 1 );
}
/*
* Commented out following line because of problem
* with crypt function in update.php
* --- 20030625 by S C Rigler <srigler@houston.rr.com> ---
*/
//$str = "\$1\$".$str."\$";
return $str;
}
/*
* Goes through the user-configured server list and looks for an available server_id,
* ie one that has specified enough information to login. This is for choosing the
* server to display in the drop-down box in search.php mostly.
*/
function get_avail_server_id()
{
global $servers;
for( $i=0; $i<count($servers); $i++ )
if( check_server_id( $i ) && have_auth_info( $i ) )
return $i;
return false;
}
/*
* Given a DN string, this returns the 'RDN' portion of the string.
* For example. given 'cn=Manager,dc=example,dc=com', this function returns
* 'cn=Manager' (it is really the exact opposite of get_container()).
*/
function get_rdn( $dn, $include_attrs=0 )
{
if( $dn == null )
return null;
$rdn = pla_explode_dn( $dn, $include_attrs );
if( $rdn['count'] == 0 )
return null;
if( ! isset( $rdn[0] ) )
return null;
$rdn = $rdn[0];
return $rdn;
}
/*
* Given a DN string, this returns the 'container' portion of the string.
* For example. given 'cn=Manager,dc=example,dc=com', this function returns
* 'dc=example,dc=com'.
*/
function get_container( $dn )
{
$rdn = pla_explode_dn( $dn );
$container = $rdn[ 1 ];
for( $i=2; $i<count($rdn)-1; $i++ )
$container .= ',' . $rdn[$i];
return $container;
}
/*
* This function parses ldap_error_codes.txt and looks up the specified
* ldap error number, and returns the verbose message defined in that file.
*/
function pla_verbose_error( $err_no )
{
static $err_codes;
if( count($err_codes) > 0 ) {
return $err_codes[ $err_no ];
} else {
}
$err_codes_file = 'ldap_error_codes.txt';
if( ! file_exists( realpath( $err_codes_file ) ) )
return false;
if( ! is_readable( realpath( $err_codes_file ) ) )
return false;
if( ! ($f = fopen( realpath( $err_codes_file ), 'r' ) ) )
return false;
$contents = fread( $f, filesize( $err_codes_file ) );
preg_match_all( "/0x[A-Fa-f0-9][A-Za-z0-9]\s+[0-9A-Za-z_]+\s+\"[^\"]*\"\n/", $contents, $entries );
$err_codes = array();
foreach( $entries[0] as $e )
{
preg_match( "/(0x[A-Za-z0-9][A-Za-z0-9])\s+([0-9A-Za-z_]+)\s+\"([^\"]*)\"/", $e, $entry );
$hex_code = $entry[1];
$title = $entry[2];
$desc = $entry[3];
$desc = preg_replace( "/\s+/", " ", $desc );
$err_codes[ $hex_code ] = array( 'title' => $title, 'desc' => $desc );
}
return $err_codes[ $err_no ];
}
/*
* Spits out an HTML-formatted error string. If you specify the optional
* parameters, pla_error will lookup the error number and display a
* verbose message in addition to the message you pass it.
*/
function pla_error( $msg, $ldap_err_msg=null, $ldap_err_no=-1 )
{
include_once 'header.php';
?>
<center>
<table class="error"><tr><td class="img"><img src="images/warning.png" /></td>
<td><center><h2>Error</h2></center>
<?php echo $msg; ?>
<br />
<?php
if( $ldap_err_msg )
echo "<b>LDAP said</b>: " . htmlspecialchars( $ldap_err_msg ) . "<br /><br />\n";
if( $ldap_err_no != -1 ) {
$ldap_err_no = ( '0x' . str_pad( dechex( $ldap_err_no ), 2, 0, STR_PAD_LEFT ) );
$verbose_error = pla_verbose_error( $ldap_err_no );
if( $verbose_error ) {
echo "<b>Error number</b>: $ldap_err_no <small>(" .
$verbose_error['title'] . ")</small><br /><br />\n";
echo "<b>Description</b>: " . $verbose_error['desc'] . "<br /><br />\n\n";
} else {
echo "<b>Error number</b>: $ldap_err_no<br /><br />\n";
echo "<b>Description</b>: (no description available)<br />\n\n";
}
}
?>
<br />
<br />
<center>
<small>
Is this a phpLDAPadmin bug? If so, please
<a href="<?php echo get_href( 'add_bug' ); ?>">report it</a>.
</small>
</center>
</td></tr></table>
</center>
<?php
die();
}
/*
* Reads the friendly_attrs array as defined in config.php and lower-cases all
* the keys. Will return an empty array if the friendly_attrs array is not defined
* in config.php.
*/
function process_friendly_attr_table()
{
require 'config.php';
global $friendly_attrs;
$attrs_table = array();
if( isset( $friendly_attrs ) && is_array( $friendly_attrs ) )
foreach( $friendly_attrs as $old_name => $new_name )
$attrs_table[ strtolower( $old_name ) ] = $new_name;
else
return array();
return $attrs_table;
}
/*
* Returns true if the specified DN exists on the specified server, or false otherwise
*/
function dn_exists( $server_id, $dn )
{
if( ! check_server_id( $server_id ) )
return false;
$ds = pla_ldap_connect( $server_id );
if( ! $ds )
return false;
$search_result = @ldap_read( $ds, $dn, 'objectClass=*', array('dn') );
if( ! $search_result )
return false;
$num_entries = ldap_count_entries( $ds, $search_result );
if( $num_entries > 0 )
return true;
else
return false;
}
/*
* Given a DN and server_id, this draws fetches the jpegPhoto binary data and echo's the
* HTML necesary to draw it. You can optionally have it draw the 'delete' button below
* each image. This function supports multiple jpegPhotos.
*/
function draw_jpeg_photos( $server_id, $dn, $draw_delete_buttons=false )
{
global $jpeg_temp_dir;
global $jpeg_tmp_keep_time;
$conn = pla_ldap_connect( $server_id );
$search_result = ldap_search( $conn, $dn, 'objectClass=*', array( 'jpegPhoto' ) );
$entry = ldap_first_entry( $conn, $search_result );
echo "<table align=\"right\"><td><center>\n\n";
// for each jpegPhoto in the entry, draw it (there may be only one, and that's okay)
$jpeg_data = ldap_get_values_len( $conn, $entry, "jpegphoto");
for( $i=0; $i<$jpeg_data['count']; $i++ )
{
$jpeg_filename = $jpeg_temp_dir . '/' . basename( tempnam ('.', 'djp') );
$jpeg_filename = realpath( $jpeg_filename );
$outjpeg = fopen($jpeg_filename, "wb");
fwrite($outjpeg, $jpeg_data[$i]);
fclose ($outjpeg);
$jpeg_data_size = filesize( $jpeg_filename );
if( $jpeg_data_size < 6 ) {
echo "jpegPhoto contains errors<br />";
echo '<a href="javascript:deleteAttribute( \'jpegPhoto\' );" style="color:red; font-size: 75%">Delete Photo</a>';
continue;
}
$jpeg_dimensions = getimagesize ($jpeg_filename);
$width = $jpeg_dimensions[0];
$height = $jpeg_dimensions[1];
if( $width > 300 ) {
$scale_factor = 300 / $width;
$img_width = 300;
$img_height = $height * $scale_factor;
} else {
$img_width = $width;
$img_height = $height;
}
echo "<img width=\"$img_width\" height=\"$img_height\"
src=\"view_jpeg_photo.php?file=" . basename($jpeg_filename) . "\" /><br />\n";
echo "<small>" . number_format($jpeg_data_size) . " bytes. ";
echo "$width x $height pixels.<br /></small>\n\n";
if( $draw_delete_buttons )
{ ?>
<!-- JavaScript function deleteJpegPhoto() to be defined later by calling script -->
<a href="javascript:deleteAttribute( 'jpegPhoto' );" style="color:red; font-size: 75%">Delete Photo</a>
<?php }
}
echo "</center></td></table>\n\n";
// If they have misconfigured their config.php, use default values
if( ! isset( $jpeg_tmp_keep_time ) )
$jpeg_tmp_keep_time = 120;
if( $jpeg_tmp_keep_time == 0 )
$jpeg_tmp_keep_time = 10;
// delete old jpeg files.
$jpegtmp_wildcard = "djp.*";
$handle = opendir($jpeg_temp_dir);
while (($file = readdir($handle)) != false)
if (eregi($jpegtmp_wildcard, $file))
{
$file = "$jpeg_temp_dir/$file";
if ((time() - filemtime($file)) > $jpeg_tmp_keep_time)
unlink ( $file );
}
closedir($handle);
}
/*
* Returns the root DN of the specified server_id, or false if it
* can't find it (ie, the server won't give it to us).
* Tested with OpenLDAP 2.0, Netscape iPlanet, and Novell eDirectory 8.7 (nldap.com)
* Please report any and all bugs!!
*/
function try_to_get_root_dn( $server_id )
{
if( ! have_auth_info( $server_id ) )
return false;
$ds = pla_ldap_connect( $server_id );
if( ! $ds )
return false;
$r = @ldap_read( $ds, '', 'objectClass=*', array( 'namingContexts' ) );
if( ! $r )
return false;
$r = @ldap_get_entries( $ds, $r );
if( isset( $r[0]['namingcontexts'][0] ) ) {
$root_dn = $r[0]['namingcontexts'][0];
return $root_dn;
} else {
return false;
}
}
/*
* Hashes a password and returns the hash based on the enc_type, which can be one of
* crypt, md5, sha, or clear.
*/
function password_hash( $password_clear, $enc_type )
{
switch( $enc_type )
{
case 'crypt':
$new_value = '{crypt}' . crypt( $password_clear, random_salt(2) );
break;
case 'md5':
$new_value = '{md5}' . base64_encode( pack( 'H*' , md5( $password_clear) ) );
break;
case 'md5crypt':
if( ! defined( 'CRYPT_MD5' ) || 0 == CRYPT_MD5 )
pla_error( "Your PHP install does not support blowfish encryption." );
$new_value = '{crypt}' . crypt( $password_clear , '$1$' . random_salt(9) );
break;
case 'blowfish':
if( ! defined( 'CRYPT_BLOWFISH' ) || 0 == CRYPT_BLOWFISH )
pla_error( "Your PHP install does not support blowfish encryption." );
$new_value = '{crypt}' . crypt( $password_clear , '$2$' . random_salt(13) );
break;
case 'sha':
if( function_exists( 'mhash' ) ) {
$new_value = '{sha}' . base64_encode( mhash( MHASH_SHA1, $password_clear) );
} else {
pla_error( "Your PHP install does not have the mhash() function." .
" Cannot do SHA hashes." );
}
break;
case 'clear':
default:
$new_value = $password_clear;
}
return $new_value;
}
/*
* Returns the version as a string as stored in the VERSION file.
*/
function pla_version()
{
if( ! file_exists( realpath( 'VERSION' ) ) )
return 'unknown version';
$f = fopen( realpath( 'VERSION' ), 'r' );
$version = fread( $f, filesize( realpath( 'VERSION' ) ) );
fclose( $f );
return $version;
}
function draw_chooser_link( $form_element )
{
global $lang;
$href = "javascript:dnChooserPopup('$form_element');";
$title = $lang['chooser_link_tooltip'];
echo "<a href=\"$href\" title=\"$title\"><img src=\"images/find.png\" /></a>";
echo "<a href=\"$href\" title=\"$title\">browse</a>\n";
}
function get_values($link_id,$entry_id,$attr){
if( 0 == strcasecmp( $attr, 'jpegPhoto' ) ) {
$values = ldap_get_values_len($link_id,$entry_id,$attr);
} else {
$values = ldap_get_values($link_id,$entry_id,$attr);
unset($values['count']);
}
return $values;
}
/*
function utf8_decode($str)
{
global $code_page;
if( ! $code_page )
$code_page = "ISO-8859-1";
return iconv("UTF8", $code_page, $str);
}
function utf8_encode($str)
{
global $code_page;
if( ! $code_page )
$code_page = "ISO-8859-1";
return iconv( $code_page, "UTF8", $str);
}
*/
function get_code_page()
{
global $code_page;
if( ! $code_page )
$code_page = "ISO-8859-1";
return $code_page;
}
/**
* Convert the string to the configured codepage and replace HTML chars
* with their &-encoded equivelants, then echo to browser.
*/
function pla_echo( $str )
{
if( function_exists( "iconv" ) )
$str = iconv( "UTF8", get_code_page(), $str );
$str = htmlspecialchars( $str );
echo $str;
}
/*
* UTF-8 safe method for exploding a DN into its RDN parts.
*/
function pla_explode_dn( $dn, $with_attributes=0 )
{
$dn = addcslashes( $dn, "<>" );
$result = ldap_explode_dn( $dn, $with_attributes );
//translate hex code into ascii again
foreach( $result as $key => $value )
$result[$key] = preg_replace("/\\\([0-9A-Fa-f]{2})/e", "''.chr(hexdec('\\1')).''", $value);
return $result;
}
/*
* Convenience function for fetching project HREFs (like bugs)
*/
function get_href( $type ) {
$group_id = "61828";
$bug_atid = "498546";
$rfe_atid = "498549";
switch( $type ) {
case 'open_bugs': return "http://sourceforge.net/tracker/?group_id=$group_id&amp;atid=$bug_atid";
case 'add_bug': return "http://sourceforge.net/tracker/?func=add&amp;group_id=$group_id&amp;atid=$bug_atid";
case 'open_rfes': return "http://sourceforge.net/tracker/?atid=$rfe_atid&group_id=$group_id&amp;func=browse";
case 'add_rfe': return "http://sourceforge.net/tracker/?func=add&amp;group_id=$group_id&amp;atid=$rfe_atid";
default: return null;
}
}
?>