Update the dseecompat access control implementation to provide a mechanism ...

neil_a_wilson

17.29.2007 c462bf01d4cc35d6da8cd20da193e60f5df71bd3

 opendj-sdk/opends/src/server/org/opends/server/authorization/dseecompat/DNS.java

@@ -29,10 +29,17 @@

import static org.opends.server.authorization.dseecompat.AciMessages.*;
import static org.opends.server.authorization.dseecompat.Aci.*;
import static org.opends.server.loggers.Error.*;
import static org.opends.server.loggers.debug.DebugLogger.*;
import static org.opends.server.messages.MessageHandler.getMessage;
import static org.opends.server.util.StaticUtils.*;
import java.net.InetAddress;
import java.util.LinkedList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.opends.server.types.DebugLogLevel;
import org.opends.server.types.ErrorLogCategory;
import org.opends.server.types.ErrorLogSeverity;

/**
 * This class implements the dns bind rule keyword.
@@ -101,6 +108,68 @@
                    throw new AciException(msgID, message);
                }
            }

            // If the provided hostname does not contain any wildcard
            // characters, then it must be the canonical hostname for the
            // associated IP address.  If it is not, then it will not match the
            // intended target, and we should generate a warning message to let
            // the administrator know about it.  If the provided value does not
            // match the canonical name for the associated IP address, and the
            // given hostname is "localhost", then we should treat it specially
            // and also match the canonical hostname.  This is necessary because
            // "localhost" is likely to be very commonly used in these kinds of
            // rules and on some systems the canonical representation is
            // configured to be "localhost.localdomain" which may not be known
            // to the administrator.
            if (hn.indexOf("*") < 0)
            {
              try
              {
                for (InetAddress addr : InetAddress.getAllByName(hn))
                {
                  String canonicalName = addr.getCanonicalHostName();
                  if (! hn.equalsIgnoreCase(canonicalName))
                  {
                    if (hn.equalsIgnoreCase("localhost") &&
                        (! dns.contains(canonicalName)))
                    {
                      dns.add(canonicalName);

                      int msgID =
                           MSGID_ACI_LOCALHOST_DOESNT_MATCH_CANONICAL_VALUE;
                      String message = getMessage(msgID, expr, hn,
                                                  canonicalName);
                      logError(ErrorLogCategory.ACCESS_CONTROL,
                               ErrorLogSeverity.SEVERE_WARNING, message, msgID);
                    }
                    else
                    {
                      int msgID =
                           MSGID_ACI_HOSTNAME_DOESNT_MATCH_CANONICAL_VALUE;
                      String message = getMessage(msgID, expr,
                                                  hn, addr.getHostAddress(),
                                                  addr.getCanonicalHostName());
                      logError(ErrorLogCategory.ACCESS_CONTROL,
                               ErrorLogSeverity.SEVERE_WARNING, message, msgID);
                    }
                  }
                }
              }
              catch (Exception e)
              {
                if (debugEnabled())
                {
                  debugCaught(DebugLogLevel.ERROR, e);
                }

                int msgID = MSGID_ACI_ERROR_CHECKING_CANONICAL_HOSTNAME;
                String message = getMessage(msgID, hn, expr,
                                            stackTraceToSingleLineString(e));
                logError(ErrorLogCategory.ACCESS_CONTROL,
                         ErrorLogSeverity.SEVERE_WARNING, message, msgID);
              }
            }

            dns.add(hn);
        }
        return new DNS(dns, type);