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2026-03-05 15:28:03 +01:00
parent 6371c4b972
commit cd182a1fb9
5 changed files with 334 additions and 0 deletions
@@ -0,0 +1,166 @@
+<?php
+ 
+
+
+#$kennungtemp = $_SERVER['AUTH_USER'];
+#$teile = explode("\\", $kennungtemp);
+#$kennung = $teile[1];
+
+$ad = ldap_connect("ldap://{$domain}") or die('Could not connect to LDAP server.');
+ 
+ldap_set_option($ad, LDAP_OPT_PROTOCOL_VERSION, 3);
+ldap_set_option($ad, LDAP_OPT_REFERRALS, 0);
+ 
+@ldap_bind($ad, "{$aduser}@{$domain}", $adpassword) or die('Could not bind to AD.');
+ 
+$userdn = getDN($ad, $kennung, $basedn);
+$mailadress = getADMail($ad, $kennung, $basedn);
+
+ 
+ldap_unbind($ad);
+ 
+/**
+ * This function searchs in LDAP tree entry specified by samaccountname and
+ * returns its DN or epmty string on failure.
+ *
+ * @param resource $ad
+ *          An LDAP link identifier, returned by ldap_connect().
+ * @param string $samaccountname
+ *          The sAMAccountName, logon name.
+ * @param string $basedn
+ *          The base DN for the directory.
+ * @return string
+ */
+function getDN($ad, $samaccountname, $basedn)
+{
+  $result = ldap_search($ad, $basedn, "(samaccountname={$samaccountname})", array(
+    'dn'
+  ));
+  if (! $result)
+  {
+    return '';
+  }
+ 
+  $entries = ldap_get_entries($ad, $result);
+  if ($entries['count'] > 0)
+  {
+    return $entries[0]['dn'];
+  }
+ 
+  return '';
+}
+
+function getADMail($ad, $samaccountname, $basedn)
+{
+	$attributes = array('mail');
+	$resultz = ldap_search($ad, $basedn, "(samaccountname={$samaccountname})", $attributes);
+	$entriesz = ldap_get_entries($ad, $resultz);
+	
+	#return $entriesz[0]['mail'];
+	#  $entries = ldap_get_entries($ad, $result);
+	  if ($entriesz['count'] > 0)
+	  {
+		 return $entriesz[0]['mail'][0];
+	  }
+	 
+	 return 'nichts gefunden';
+}
+
+ 
+/**
+ * This function retrieves and returns Common Name from a given Distinguished
+ * Name.
+ *
+ * @param string $dn
+ *          The Distinguished Name.
+ * @return string The Common Name.
+ */
+function getCN($dn)
+{
+  preg_match('/[^,]*/', $dn, $matchs, PREG_OFFSET_CAPTURE, 3);
+  return $matchs[0][0];
+}
+ 
+/**
+ * This function checks group membership of the user, searching only in
+ * specified group (not recursively).
+ *
+ * @param resource $ad
+ *          An LDAP link identifier, returned by ldap_connect().
+ * @param string $userdn
+ *          The user Distinguished Name.
+ * @param string $groupdn
+ *          The group Distinguished Name.
+ * @return boolean Return true if user is a member of group, and false if not
+ *         a member.
+ */
+function checkGroup($ad, $userdn, $groupdn)
+{
+  $result = ldap_read($ad, $userdn, "(memberof={$groupdn})", array(
+    'members'
+  ));
+  if (! $result)
+  {
+    return false;
+  }
+ 
+  $entries = ldap_get_entries($ad, $result);
+ 
+  return ($entries['count'] > 0);
+}
+ 
+/**
+ * This function checks group membership of the user, searching in specified
+ * group and groups which is its members (recursively).
+ *
+ * @param resource $ad
+ *          An LDAP link identifier, returned by ldap_connect().
+ * @param string $userdn
+ *          The user Distinguished Name.
+ * @param string $groupdn
+ *          The group Distinguished Name.
+ * @return boolean Return true if user is a member of group, and false if not
+ *         a member.
+ */
+function checkGroupEx($ad, $userdn, $groupdn)
+{
+  if ($groupdn == "")
+  {
+    return false;
+  }
+	
+  $result = ldap_read($ad, $userdn, '(objectclass=*)', array(
+    'memberof'
+  ));
+  if (! $result)
+  {
+    return false;
+  }
+ 
+  $entries = ldap_get_entries($ad, $result);
+  if ($entries['count'] <= 0)
+  {
+    return false;
+  }
+ 
+  if (empty($entries[0]['memberof']))
+  {
+    return false;
+  }
+ 
+  for ($i = 0; $i < $entries[0]['memberof']['count']; $i ++)
+  {
+    if ($entries[0]['memberof'][$i] == $groupdn)
+    {
+      return true;
+    }
+    elseif (checkGroupEx($ad, $entries[0]['memberof'][$i], $groupdn))
+    {
+      return true;
+    }
+  }
+ 
+  return false;
+}
+ 
+?>