![\"img\"](\"../../graphics/$icon\")
* Array
* (
* [0] => Array
* (
* [dc=example,dc=com] => "dcobject.png"
* )
* [1] => Array
(
* [o=Corporation] => "o.png"
* )
* )
*
* This function is not meant as a user-callable function, but rather a convenient, automated method for
* setting up the initial data structure for the tree viewer's icon cache.
*/
function build_initial_tree_icons()
{
$tree_icons = array();
// initialize an empty array for each server
$tree_icons = array();
$tree_icons[ $_SESSION['config']->get_Suffix('tree') ] = get_icon( $_SESSION['config']->get_Suffix('tree') );
return $tree_icons;
}
/**
* Gets whether an entry exists based on its DN. If the entry exists,
* returns true. Otherwise returns false.
*
* @param string $dn The DN of the entry of interest.
*
* @return bool
*/
function dn_exists( $dn )
{
$search_result = @ldap_read( $_SESSION['ldap']->server, $dn, 'objectClass=*', array('dn') );
if( ! $search_result )
return false;
$num_entries = ldap_count_entries( $_SESSION['ldap']->server, $search_result );
if( $num_entries > 0 )
return true;
else
return false;
}
/**
* Gets a list of child entries for an entry. Given a DN, this function fetches the list of DNs of
* child entries one level beneath the parent. For example, for the following tree:
*
*
* dc=example,dc=com
* ou=People
* cn=Dave
* cn=Fred
* cn=Joe
* ou=More People
* cn=Mark
* cn=Bob
*
*
* Calling get_container_contents( "ou=people,dc=example,dc=com" )
* would return the following list:
*
*
* cn=Dave
* cn=Fred
* cn=Joe
* ou=More People
*
*
* @param string $dn The DN of the entry whose children to return.
* @param int $size_limit (optional) The maximum number of entries to return.
* If unspecified, no limit is applied to the number of entries in the returned.
* @param string $filter (optional) An LDAP filter to apply when fetching children, example: "(objectClass=inetOrgPerson)"
* @return array An array of DN strings listing the immediate children of the specified entry.
*/
function get_container_contents( $dn, $size_limit=0, $filter='(objectClass=*)' )
{
$search = @ldap_list( $_SESSION['ldap']->server, $dn, $filter, array( 'dn' ), 1, $size_limit, 0);
if( ! $search )
return array();
$search = ldap_get_entries( $_SESSION['ldap']->server, $search );
$return = array();
for( $i=0; $i<$search['count']; $i++ ) {
$entry = $search[$i];
$dn = $entry['dn'];
$return[] = $dn;
}
return $return;
}
/**
* 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. :)
*
* This function returns a string like "country.png". All icon files are assumed
* to be contained in the /../../graphics/ directory of phpLDAPadmin.
*
* Developers are encouraged to add new icons to the images directory and modify
* this function as needed to suit their types of LDAP entries. If the modifications
* are general to an LDAP audience, the phpLDAPadmin team will gladly accept them
* as a patch.
*
* @param string $dn The DN of the entry whose icon you wish to fetch.
*
* @return string
*/
function get_icon( $dn )
{
// fetch and lowercase all the objectClasses in an array
$object_classes = get_object_attr( $dn, 'objectClass', true );
if( $object_classes === null || $object_classes === false || ! is_array( $object_classes ) )
$object_classes = array();
foreach( $object_classes as $i => $class )
$object_classes[$i] = strtolower( $class );
$rdn = get_rdn( $dn );
$rdn_parts = explode( '=', $rdn, 2 );
$rdn_value = isset( $rdn_parts[0] ) ? $rdn_parts[0] : null;
unset( $rdn_parts );
// return icon filename based upon objectClass value
if( in_array( 'sambaaccount', $object_classes ) &&
'$' == $rdn{ strlen($rdn) - 1 } )
return 'nt_machine.png';
if( in_array( 'sambaaccount', $object_classes ) )
return 'nt_user.png';
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';
elseif( in_array( 'organization', $object_classes ) )
return 'o.png';
elseif( in_array( 'organizationalunit', $object_classes ) )
return 'ou.png';
elseif( in_array( 'organizationalrole', $object_classes ) )
return 'uid.png';
elseif( in_array( 'dcobject', $object_classes ) ||
in_array( 'domainrelatedobject', $object_classes ) ||
in_array( 'domain', $object_classes ) ||
in_array( 'builtindomain', $object_classes ))
return 'dc.png';
elseif( in_array( 'alias', $object_classes ) )
return 'go.png';
elseif( in_array( 'room', $object_classes ) )
return 'door.png';
elseif( in_array( 'device', $object_classes ) )
return 'device.png';
elseif( in_array( 'document', $object_classes ) )
return 'document.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 ) ||
in_array( 'groupofnames', $object_classes ) ||
in_array( 'group', $object_classes ) )
return 'ou.png';
elseif( in_array( 'applicationprocess', $object_classes ) )
return 'process.png';
elseif( in_array( 'groupofuniquenames', $object_classes ) )
return 'uniquegroup.png';
elseif( in_array( 'iphost', $object_classes ) )
return 'host.png';
elseif( in_array( 'nlsproductcontainer', $object_classes ) )
return 'n.png';
elseif( in_array( 'ndspkikeymaterial', $object_classes ) )
return 'lock.png';
elseif( in_array( 'server', $object_classes ) )
return 'server-small.png';
elseif( in_array( 'volume', $object_classes ) )
return 'hard-drive.png';
elseif( in_array( 'ndscatcatalog', $object_classes ) )
return 'catalog.png';
elseif( in_array( 'resource', $object_classes ) )
return 'n.png';
elseif( in_array( 'ldapgroup', $object_classes ) )
return 'ldap-server.png';
elseif( in_array( 'ldapserver', $object_classes ) )
return 'ldap-server.png';
elseif( in_array( 'nisserver', $object_classes ) )
return 'ldap-server.png';
elseif( in_array( 'rbscollection', $object_classes ) )
return 'ou.png';
elseif( in_array( 'dfsconfiguration', $object_classes ) )
return 'nt_machine.png';
elseif( in_array( 'applicationsettings', $object_classes ) )
return 'server-settings.png';
elseif( in_array( 'aspenalias', $object_classes ) )
return 'mail.png';
elseif( in_array( 'container', $object_classes ) )
return 'folder.png';
elseif( in_array( 'ipnetwork', $object_classes ) )
return 'network.png';
elseif( in_array( 'samserver', $object_classes ) )
return 'server-small.png';
elseif( in_array( 'lostandfound', $object_classes ) )
return 'find.png';
elseif( in_array( 'infrastructureupdate', $object_classes ) )
return 'server-small.png';
elseif( in_array( 'filelinktracking', $object_classes ) )
return 'files.png';
elseif( in_array( 'automountmap', $object_classes ) ||
in_array( 'automount', $object_classes ) )
return 'hard-drive.png';
elseif( 0 === strpos( $rdn_value, "ipsec" ) ||
0 == strcasecmp( $rdn_value, "IP Security" ) ||
0 == strcasecmp( $rdn_value, "MSRADIUSPRIVKEY Secret" ) ||
0 === strpos( $rdn_value, "BCKUPKEY_" ) )
return 'lock.png';
elseif( 0 == strcasecmp( $rdn_value, "MicrosoftDNS" ) )
return 'dc.png';
// Oh well, I don't know what it is. Use a generic icon.
else
return 'object.png';
}
/**
* Much like get_object_attrs(), but only returns the values for
* one attribute of an object. Example calls:
*
*
* print_r( get_object_attr( 0, "cn=Bob,ou=people,dc=example,dc=com", "sn" ) );
* // prints:
* // Array
* // (
* // [0] => "Smith"
* // )
*
* print_r( get_object_attr( 0, "cn=Bob,ou=people,dc=example,dc=com", "objectClass" ) );
* // prints:
* // Array
* // (
* // [0] => "top"
* // [1] => "person"
* // )
*
*
* @param string $dn The distinguished name (DN) of the entry whose attributes/values to fetch.
* @param string $attr The attribute whose value(s) to return (ie, "objectClass", "cn", "userPassword")
* @param bool $lower_case_attr_names (optional) If true, all keys of the returned associative
* array will be lower case. Otherwise, they will be cased as the LDAP server returns
* them.
* @see get_object_attrs
*/
function get_object_attr( $dn, $attr )
{
$search = @ldap_read( $_SESSION['ldap']->server, $dn, '(objectClass=*)', array( $attr ), 0, 0, 0 );
if( ! $search )
return false;
$entry = ldap_first_entry( $_SESSION['ldap']->server, $search );
if( ! $entry )
return false;
$attrs = ldap_get_attributes( $_SESSION['ldap']->server, $entry );
if( ! $attrs || $attrs['count'] == 0 )
return false;
$vals = ldap_get_values( $_SESSION['ldap']->server, $entry, $attr );
unset( $vals['count'] );
return $vals;
}
/**
* 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()).
*
* @param string $dn The DN whose RDN to return.
* @param bool $include_attrs If true, include attributes in the RDN string.
* See http://php.net/ldap_explode_dn for details
*
* @return string The RDN
* @see get_container
*/
function get_rdn( $dn, $include_attrs=0 )
{
if( $dn == null )
return null;
$rdn = pla_explode_dn( $dn, $include_attrs );
if( 0 == count($rdn) )
return $dn;
if( ! isset( $rdn[0] ) )
return $dn;
$rdn = $rdn[0];
return $rdn;
}
/**
* Explode a DN into an array of its RDN parts. This function is UTF-8 safe
* and replaces the buggy PHP ldap_explode_dn() which does not properly
* handle UTF-8 DNs and also causes segmentation faults with some inputs.
*
* @param string $dn The DN to explode.
* @param int $with_attriutes (optional) Whether to include attribute names (see http://php.net/ldap_explode_dn for details)
*
* @return array An array of RDN parts of this format:
*
* Array
* (
* [0] => uid=ppratt
* [1] => ou=People
* [2] => dc=example
* [3] => dc=com
* )
*
*/
function pla_explode_dn( $dn, $with_attributes=0 )
{
// replace "\," with the hexadecimal value for safe split
$var = preg_replace("/\\\,/","\\\\\\\\2C",$dn);
// split the dn
$result = explode(",",$var);
//translate hex code into ascii for display
foreach( $result as $key => $value )
$result[$key] = preg_replace("/\\\([0-9A-Fa-f]{2})/e", "''.chr(hexdec('\\1')).''", $value);
return $result;
}
/**
* Returns an HTML-beautified version of a DN.
* Internally, this function makes use of pla_explode_dn() to break the
* the DN into its components. It then glues them back together with
* "pretty" HTML. The returned HTML is NOT to be used as a real DN, but
* simply displayed.
*
* @param string $dn The DN to pretty-print.
* @return string
*/
function pretty_print_dn( $dn )
{
$dn = pla_explode_dn( $dn );
foreach( $dn as $i => $element ) {
$element = htmlspecialchars( $element );
$element = explode( '=', $element, 2 );
$element = implode( '=', $element );
$dn[$i] = $element;
}
$dn = implode( ',', $dn );
return $dn;
}
/**
* Compares 2 DNs. If they are equivelant, returns 0, otherwise,
* returns their sorting order (similar to strcmp()):
* Returns < 0 if dn1 is less than dn2.
* Returns > 0 if dn1 is greater than dn2.
*
* The comparison is performed starting with the top-most element
* of the DN. Thus, the following list:
*
* ou=people,dc=example,dc=com
* cn=Admin,ou=People,dc=example,dc=com
* cn=Joe,ou=people,dc=example,dc=com
* dc=example,dc=com
* cn=Fred,ou=people,dc=example,dc=org
* cn=Dave,ou=people,dc=example,dc=org
*
* Will be sorted thus using usort( $list, "pla_compare_dns" ):
*
* dc=com
* dc=example,dc=com
* ou=people,dc=example,dc=com
* cn=Admin,ou=People,dc=example,dc=com
* cn=Joe,ou=people,dc=example,dc=com
* cn=Dave,ou=people,dc=example,dc=org
* cn=Fred,ou=people,dc=example,dc=org
*
*
* @param string $dn1 The first of two DNs to compare
* @param string $dn2 The second of two DNs to compare
* @return int
*/
function pla_compare_dns( $dn1, $dn2 )
{
// If they are obviously the same, return immediately
if( 0 === strcasecmp( $dn1, $dn2 ) )
return 0;
$dn1_parts = pla_explode_dn( pla_reverse_dn($dn1) );
$dn2_parts = pla_explode_dn( pla_reverse_dn($dn2) );
assert( is_array( $dn1_parts ) );
assert( is_array( $dn2_parts ) );
// Foreach of the "parts" of the smaller DN
for( $i=0; $i
* cn=Brigham,ou=People,dc=example,dc=com
*
* Becomes:
*
* dc=com,dc=example,ou=People,cn=Brigham
*
* This makes it possible to sort lists of DNs such that they are grouped by container.
*
* @param string $dn The DN to reverse
*
* @return string The reversed DN
*
* @see pla_compare_dns
*/
function pla_reverse_dn($dn)
{
foreach (pla_explode_dn($dn) as $key => $branch) {
// pla_expode_dn returns the array with an extra count attribute, we can ignore that.
if ( $key === "count" ) continue;
if (isset($rev)) {
$rev = $branch.",".$rev;
} else {
$rev = $branch;
}
}
return $rev;
}
/**
* Gets a DN string using the user-configured tree_display_format string to format it.
*/
function draw_formatted_dn( $dn )
{
$format = '%rdn';
preg_match_all( "/%[a-zA-Z_0-9]+/", $format, $tokens );
$tokens = $tokens[0];
foreach( $tokens as $token ) {
if( 0 == strcasecmp( $token, '%dn' ) )
$format = str_replace( $token, pretty_print_dn( $dn ), $format );
elseif( 0 == strcasecmp( $token, '%rdn' ) )
$format = str_replace( $token, pretty_print_dn( get_rdn( $dn ) ), $format );
elseif( 0 == strcasecmp( $token, '%rdnvalue' ) ) {
$rdn = get_rdn( $dn );
$rdn_value = explode( '=', $rdn, 2 );
$rdn_value = $rdn_value[1];
$format = str_replace( $token, $rdn_value, $format );
} else {
$attr_name = str_replace( '%', '', $token );
$attr_values = get_object_attr( $dn, $attr_name );
if( null == $attr_values )
$display = 'none';
elseif( is_array( $attr_values ) )
$display = htmlspecialchars( implode( ', ', $attr_values ) );
else
$display = htmlspecialchars( $attr_values );
$format = str_replace( $token, $display, $format );
}
}
echo $format;
}
/**
* Gets the attributes/values of an entry. Returns an associative array whose
* keys are attribute value names and whose values are arrays of values for
* said attribute. Optionally, callers may specify true for the parameter
* $lower_case_attr_names to force all keys in the associate array (attribute
* names) to be lower case.
*
* Sample return value of get_object_attrs( 0, "cn=Bob,ou=pepole,dc=example,dc=com" )
*
*
* Array
* (
* [objectClass] => Array
* (
* [0] => person
* [1] => top
* )
* [cn] => Array
* (
* [0] => Bob
* )
* [sn] => Array
* (
* [0] => Jones
* )
* [dn] => Array
* (
* [0] => cn=Bob,ou=pepole,dc=example,dc=com
* )
* )
*
*
* @param string $dn The distinguished name (DN) of the entry whose attributes/values to fetch.
* @param bool $lower_case_attr_names (optional) If true, all keys of the returned associative
* array will be lower case. Otherwise, they will be cased as the LDAP server returns
* them.
* @param int $deref For aliases and referrals, this parameter specifies whether to
* follow references to the referenced DN or to fetch the attributes for
* the referencing DN. See http://php.net/ldap_search for the 4 valid
* options.
* @return array
* @see get_entry_system_attrs
* @see get_object_attr
*/
function get_object_attrs( $dn, $lower_case_attr_names=false, $deref=LDAP_DEREF_NEVER )
{
$conn = $_SESSION['ldap']->server;
$search = @ldap_read( $conn, $dn, '(objectClass=*)', array( ), 0, 0, 0, $deref );
if( ! $search )
return false;
$entry = ldap_first_entry( $conn, $search );
if( ! $entry )
return false;
$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 );
if( is_attr_binary( $attr ) )
$vals = ldap_get_values_len( $conn, $entry, $attr );
unset( $vals['count'] );
$return_array[ $attr ] = $vals;
}
ksort( $return_array );
return $return_array;
}
/**
* Given an attribute name and server ID number, this function returns
* whether the attrbiute may contain binary data. This is useful for
* developers who wish to display the contents of an arbitrary attribute
* but don't want to dump binary data on the page.
*
* @param string $attr_name The name of the attribute to test.
* @return bool
*
* @see is_jpeg_photo
*/
function is_attr_binary( $attr_name )
{
$attr_name = strtolower( $attr_name );
/** Determining if an attribute is binary can be an expensive
operation. We cache the results for each attr name on each
server in the $attr_cache to speed up subsequent calls.
The $attr_cache looks like this:
Array
0 => Array
'objectclass' => false
'cn' => false
'usercertificate' => true
1 => Array
'jpegphoto' => true
'cn' => false
*/
static $attr_cache;
if( isset( $attr_cache[ $attr_name ] ) )
return $attr_cache[ $attr_name ];
if( $attr_name == 'userpassword' ) {
$attr_cache[ $attr_name ] = false;
return false;
}
// Quick check: If the attr name ends in ";binary", then it's binary.
if( 0 == strcasecmp( substr( $attr_name, strlen( $attr_name ) - 7 ), ";binary" ) ) {
$attr_cache[ $attr_name ] = true;
return true;
}
// See what the server schema says about this attribute
$schema_attr = get_schema_attribute( $attr_name );
if( ! $schema_attr ) {
// Strangely, some attributeTypes may not show up in the server
// schema. This behavior has been observed in MS Active Directory.
$type = null;
$syntax = null;
} else {
$type = $schema_attr->getType();
$syntax = $schema_attr->getSyntaxOID();
}
if( 0 == strcasecmp( $type, 'Certificate' ) ||
0 == strcasecmp( $type, 'Binary' ) ||
0 == strcasecmp( $attr_name, 'usercertificate' ) ||
0 == strcasecmp( $attr_name, 'usersmimecertificate' ) ||
0 == strcasecmp( $attr_name, 'networkaddress' ) ||
0 == strcasecmp( $attr_name, 'objectGUID' ) ||
0 == strcasecmp( $attr_name, 'objectSID' ) ||
$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' ) {
$attr_cache[ $attr_name ] = true;
return true;
} else {
$attr_cache[ $attr_name ] = false;
return false;
}
}
/**
* Prunes off anything after the ";" in an attr name. This is useful for
* attributes that may have ";binary" appended to their names. With
* real_attr_name(), you can more easily fetch these attributes' schema
* with their "real" attribute name.
*
* @param string $attr_name The name of the attribute to examine.
* @return string
*/
function real_attr_name( $attr_name )
{
$attr_name = preg_replace( "/;.*$/U", "", $attr_name );
return $attr_name;
}
/**
* Gets the operational attributes for an entry. Given a DN, this function fetches that entry's
* operational (ie, system or internal) attributes. These attributes include "createTimeStamp",
* "creatorsName", and any other attribute that the LDAP server sets automatically. The returned
* associative array is of this form:
*
* Array
* (
* [creatorsName] => Array
* (
* [0] => "cn=Admin,dc=example,dc=com"
* )
* [createTimeStamp]=> Array
* (
* [0] => "10401040130"
* )
* [hasSubordinates] => Array
* (
* [0] => "FALSE"
* )
* )
*
*
* @param string $dn The DN of the entry whose interal attributes are desired.
* @param int $deref For aliases and referrals, this parameter specifies whether to
* follow references to the referenced DN or to fetch the attributes for
* the referencing DN. See http://php.net/ldap_search for the 4 valid
* options.
* @return array An associative array whose keys are attribute names and whose values
* are arrays of values for the aforementioned attribute.
*/
function get_entry_system_attrs( $dn, $deref=LDAP_DEREF_NEVER )
{
$conn = $_SESSION['ldap']->server;
$attrs = array( 'creatorsname', 'createtimestamp', 'modifiersname',
'structuralObjectClass', 'entryUUID', 'modifytimestamp',
'subschemaSubentry', 'hasSubordinates', '+' );
$search = @ldap_read( $conn, $dn, '(objectClass=*)', $attrs, 0, 0, 0, $deref );
if( ! $search )
return false;
$entry = ldap_first_entry( $conn, $search );
if( ! $entry)
return false;
$attrs = ldap_get_attributes( $conn, $entry );
if( ! $attrs )
return false;
if( ! isset( $attrs['count'] ) )
return false;
$count = $attrs['count'];
unset( $attrs['count'] );
$return_attrs = array();
for( $i=0; $i<$count; $i++ ) {
$attr_name = $attrs[$i];
unset( $attrs[$attr_name]['count'] );
$return_attrs[$attr_name] = $attrs[$attr_name];
}
return $return_attrs;
}
function arrayLower($array) {
foreach ($array as $key => $value) {
$newarray[$key] = strtolower($value);
}
return $newarray;
}
/**
* Used to determine if the specified attribute is indeed a jpegPhoto. If the
* specified attribute is one that houses jpeg data, true is returned. Otherwise
* this function returns false.
*
* @param string $attr_name The name of the attribute to test.
* @return bool
* @see draw_jpeg_photos
*/
function is_jpeg_photo( $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
$schema_attr = get_schema_attribute( $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 contains boolean data. This is useful for
* developers who wish to display the contents of a boolean attribute
* with a drop-down.
*
* @param string $attr_name The name of the attribute to test.
* @return bool
*/
function is_attr_boolean( $attr_name )
{
$type = ( $schema_attr = get_schema_attribute( $attr_name ) ) ?
$schema_attr->getType() :
null;
if( 0 == strcasecmp( 'boolean', $type ) ||
0 == strcasecmp( 'isCriticalSystemObject', $attr_name ) ||
0 == strcasecmp( 'showInAdvancedViewOnly', $attr_name ) )
return true;
else
return false;
}
/**
* Get whether a string looks like an email address (user@example.com).
*
* @param string $str The string to analyze.
* @return bool Returns true if the specified string looks like
* an email address or false otherwise.
*/
function is_mail_string( $str )
{
$mail_regex = "/^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\\.[A-Za-z0-9-]+)*$/";
if( preg_match( $mail_regex, $str ) )
return true;
else
return false;
}
/**
* Get whether a string looks like a web URL (http://www.example.com/)
*
* @param string $str The string to analyze.
* @return bool Returns true if the specified string looks like
* a web URL or false otherwise.
*/
function is_url_string( $str )
{
$url_regex = '/(ftp|https?):\/\/+[\w\.\-\/\?\=\&]*\w+/';
if( preg_match( $url_regex, $str ) )
return true;
else
return false;
}
function sortAttrs($a,$b) {
return strcmp ($a, $b);
}
/**
* Determines if an attribute's value can contain multiple lines. Attributes that fall
* in this multi-line category may be configured in config.php. Hence, this function
* accesses the global variable $multi_line_attributes;
*
* Usage example:
*
* if( is_muli_line_attr( "postalAddress" ) )
* echo "";
* else
* echo "";
*
*
* @param string $attr_name The name of the attribute of interestd (case insensivite)
* @param string $val (optional) The current value of the attribute (speeds up the
* process by searching for carriage returns already in the attribute value)
* @return bool
*/
function is_multi_line_attr( $attr_name, $val=null )
{
// First, check the optional val param for a \n or a \r
if( null != $val &&
( false !== strpos( $val, "\n" ) ||
false !== strpos( $val, "\r" ) ) )
return true;
// Next, compare strictly by name first
global $multi_line_attributes;
if( isset( $multi_line_attributes ) && is_array( $multi_line_attributes ) )
foreach( $multi_line_attributes as $multi_line_attr_name )
if( 0 == strcasecmp( $multi_line_attr_name, $attr_name ) ) {
return true;
}
global $multi_line_syntax_oids;
if( isset( $multi_line_syntax_oids ) && is_array( $multi_line_syntax_oids ) ) {
$schema_attr = get_schema_attribute( $attr_name );
if( ! $schema_attr )
return false;
$syntax_oid = $schema_attr->getSyntaxOID();
if( ! $syntax_oid )
return false;
foreach( $multi_line_syntax_oids as $multi_line_syntax_oid )
if( $multi_line_syntax_oid == $syntax_oid )
return true;
}
return false;
}
/**
* Returns true if the attribute specified is required to take as input a DN.
* Some examples include 'distinguishedName', 'member' and 'uniqueMember'.
* @param string $attr_name The name of the attribute of interest (case insensitive)
* @return bool
*/
function is_dn_attr( $attr_name )
{
// Simple test first
$dn_attrs = array( "aliasedObjectName" );
foreach( $dn_attrs as $dn_attr )
if( 0 == strcasecmp( $attr_name, $dn_attr ) )
return true;
// Now look at the schema OID
$attr_schema = get_schema_attribute( $attr_name );
if( ! $attr_schema )
return false;
$syntax_oid = $attr_schema->getSyntaxOID();
if( '1.3.6.1.4.1.1466.115.121.1.12' == $syntax_oid )
return true;
if( '1.3.6.1.4.1.1466.115.121.1.34' == $syntax_oid )
return true;
$syntaxes = get_schema_syntaxes();
if( ! isset( $syntaxes[ $syntax_oid ] ) )
return false;
$syntax_desc = $syntaxes[ $syntax_oid ]->getDescription();
if( false !== strpos( strtolower($syntax_desc), 'distinguished name' ) )
return true;
return false;
}
/**
* Checks if a string exists in an array, ignoring case.
*/
function in_array_ignore_case( $needle, $haystack )
{
if( ! is_array( $haystack ) )
return false;
if( ! is_string( $needle ) )
return false;
foreach( $haystack as $element )
if( is_string( $element ) && 0 == strcasecmp( $needle, $element ) )
return true;
return false;
}
function get_enc_type( $user_password )
{
/* Capture the stuff in the { } to determine if this is crypt, md5, etc. */
$enc_type = null;
if( preg_match( "/{([^}]+)}/", $user_password, $enc_type) )
$enc_type = strtolower( $enc_type[1] );
else
return null;
/* handle crypt types */
if( 0 == strcasecmp( $enc_type, 'crypt') ) {
$salt = null;
if( preg_match( "/{[^}]+}\\$(.)\\$/", $user_password, $salt) )
$salt = $salt[1];
else
$salt = null;
switch( $salt ) {
case '': // CRYPT_STD_DES
$enc_type = "crypt";
break;
case '1': // CRYPT_MD5
$enc_type = "md5crypt";
break;
case '2': // CRYPT_BLOWFISH
$enc_type = "blowfish";
break;
default:
$enc_type = "crypt";
}
}
return $enc_type;
}
/**
* Draw the jpegPhoto image(s) for an entry wrapped in HTML. Many options are available to
* specify how the images are to be displayed.
*
* Usage Examples:
*
* draw_jpeg_photos( 0, "cn=Bob,ou=People,dc=example,dc=com", "jpegPhoto" true, false, "border: 1px; width: 150px" );
* draw_jpeg_photos( 1, "cn=Fred,ou=People,dc=example,dc=com" );
*
*
* @param string $dn The DN of the entry that contains the jpeg attribute you want to draw.
* @param string $attr_name The name of the attribute containing the jpeg data (usually 'jpegPhoto').
* @param bool $draw_delete_buttons If true, draws a button beneath the image titled 'Delete' allowing the user
* to delete the jpeg attribute by calling JavaScript function deleteAttribute() provided
* in the default modification template.
* @param bool $draw_bytes_and_size If true, draw text below the image indicating the byte size and dimensions.
* @param string $table_html_attrs Specifies optional CSS style attributes for the table tag.
*
* @return void
*/
function draw_jpeg_photos( $dn, $attr_name='jpegPhoto', $draw_delete_buttons=false,
$draw_bytes_and_size=true, $table_html_attrs='align="left"', $img_html_attrs='' )
{
$jpeg_temp_dir = $_SESSION['lampath'] . 'tmp';
$conn = $_SESSION['ldap']->server;
$search_result = ldap_read( $conn, $dn, 'objectClass=*', array( $attr_name ) );
$entry = ldap_first_entry( $conn, $search_result );
echo "'. _('Delete') .''; continue; } if( function_exists( 'getimagesize' ) ) { $jpeg_dimensions = @getimagesize( $jpeg_filename ); $width = $jpeg_dimensions[0]; $height = $jpeg_dimensions[1]; } else { $width = 0; $height = 0; } if( $width > 300 ) { $scale_factor = 300 / $width; $img_width = 300; $img_height = $height * $scale_factor; } else { $img_width = $width; $img_height = $height; } echo " \n"; if( $draw_bytes_and_size ) { echo "" . number_format($jpeg_data_size) . " bytes. "; echo "$width x $height pixels. \n\n"; } if( $draw_delete_buttons ) { ?> Delete Photo |
* $samba_users = ldap_search( 0, "(&(objectClass=sambaAccount)(objectClass=posixAccount))",
* "ou=People,dc=example,dc=com", array( "uid", "homeDirectory" ) );
* print_r( $samba_users );
* // prints (for example):
* // Array
* // (
* // [uid=jsmith,ou=People,dc=example,dc=com] => Array
* // (
* // [dn] => "uid=jsmith,ou=People,dc=example,dc=com"
* // [uid] => "jsmith"
* // [homeDirectory] => "\\server\jsmith"
* // )
* // [uid=byoung,ou=People,dc=example,dc=com] => Array
* // (
* // [dn] => "uid=byoung,ou=Samba,ou=People,dc=example,dc=com"
* // [uid] => "byoung"
* // [homeDirectory] => "\\server\byoung"
* // )
* // )
*
*
* WARNING: This function will use a lot of memory on large searches since the entire result set is
* stored in a single array. For large searches, you should consider sing the less memory intensive
* PHP LDAP API directly (ldap_search(), ldap_next_entry(), ldap_next_attribute(), etc).
*
* @param string $filter The LDAP filter to use when searching (example: "(objectClass=*)") (see RFC 2254)
* @param string $base_dn The DN of the base of search.
* @param array $attrs An array of attributes to include in the search result (example: array( "objectClass", "uid", "sn" )).
* @param string $scope The LDAP search scope. Must be one of "base", "one", or "sub". Standard LDAP search scope.
* @param bool $sort_results Specify false to not sort results by DN or true to have the
* returned array sorted by DN (uses ksort)
* @param int $deref When handling aliases or referrals, this specifies whether to follow referrals. Must be one of
* LDAP_DEREF_ALWAYS, LDAP_DEREF_NEVER, LDAP_DEREF_SEARCHING, or LDAP_DEREF_FINDING. See the PHP LDAP API for details.
*/
function pla_ldap_search( $filter, $base_dn=null, $attrs=array(), $scope='sub', $sort_results=true, $deref=LDAP_DEREF_ALWAYS )
{
$ds = $_SESSION['ldap']->server;
switch( $scope ) {
case 'base':
$search = @ldap_read( $ds, $base_dn, $filter, $attrs, 0, 0, 0, $deref );
break;
case 'one':
$search = @ldap_list( $ds, $base_dn, $filter, $attrs, 0, 0, 0, $deref );
break;
case 'sub':
default:
$search = @ldap_search( $ds, $base_dn, $filter, $attrs, 0, 0, 0, $deref );
break;
}
if( ! $search )
return array();
$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($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;
}
/**
* Given a DN string, this returns the parent container portion of the string.
* For example. given 'cn=Manager,dc=example,dc=com', this function returns
* 'dc=example,dc=com'.
*
* @param string $dn The DN whose container string to return.
*
* @return string The container
* @see get_rdn
*/
function get_container( $dn )
{
$parts = pla_explode_dn( $dn );
if( count( $parts ) <= 1 )
return null;
$container = $parts[1];
for( $i=2; $i