text: /*
   * DEBUG: section 28    Access Control
   * AUTHOR: Duane Wessels
   *
   * SQUID Web Proxy Cache          http://www.squid-cache.org/
   * ----------------------------------------------------------
   *
   *  Squid is the result of efforts by numerous individuals from
   *  the Internet community; see the CONTRIBUTORS file for full
   *  details.   Many organizations have provided support for Squid's
   *  development; see the SPONSORS file for full details.  Squid is
   *  Copyrighted (C) 2001 by the Regents of the University of
   *  California; see the COPYRIGHT file for full details.  Squid
   *  incorporates software developed and/or copyrighted by other
   *  sources; see the CREDITS file for full details.
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; either version 2 of the License, or
   *  (at your option) any later version.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   *
   *
   * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
   */
  
  #include "squid.h"
  #include "acl/SourceDomain.h"
  #include "acl/Checklist.h"
  #include "acl/RegexData.h"
  #include "acl/DomainData.h"
  #include "fqdncache.h"
  #include "HttpRequest.h"
  
  SourceDomainLookup SourceDomainLookup::instance_;
  
  SourceDomainLookup *
  SourceDomainLookup::Instance()
  {
      return &instance_;
  }
  
  void
  SourceDomainLookup::checkForAsync(ACLChecklist *checklist) const
  {
      checklist->asyncInProgress(true);
      fqdncache_nbgethostbyaddr(Filled(checklist)->src_addr, LookupDone, checklist);
  }
  
  void
  SourceDomainLookup::LookupDone(const char *fqdn, const DnsLookupDetails &details, void *data)
  {
      ACLFilledChecklist *checklist = Filled((ACLChecklist*)data);
      assert (checklist->asyncState() == SourceDomainLookup::Instance());
  
      checklist->asyncInProgress(false);
      checklist->changeState (ACLChecklist::NullState::Instance());
      checklist->markSourceDomainChecked();
      checklist->request->recordLookup(details);
      checklist->matchNonBlocking();
  }
  
  int
  ACLSourceDomainStrategy::match (ACLData<MatchType> * &data, ACLFilledChecklist *checklist)
  {
      const char *fqdn = NULL;
      fqdn = fqdncache_gethostbyaddr(checklist->src_addr, FQDN_LOOKUP_IF_MISS);
  
      if (fqdn) {
          return data->match(fqdn);
      } else if (!checklist->sourceDomainChecked()) {
          /* FIXME: Using AclMatchedName here is not OO correct. Should find a way to the current acl */
          debugs(28, 3, "aclMatchAcl: Can't yet compare '" << AclMatchedName << "' ACL for '" << checklist->src_addr << "'");
          checklist->changeState(SourceDomainLookup::Instance());
          return 0;
      }
  
      return data->match("none");
  }
  
  ACLSourceDomainStrategy *
  ACLSourceDomainStrategy::Instance()
  {
      return &Instance_;
  }
  
  ACLSourceDomainStrategy ACLSourceDomainStrategy::Instance_;
  