src/acl/ProtocolData.cc

   1 /*
   2  * $Id$
   3  *
   4  * DEBUG: section 28    Access Control
   5  * AUTHOR: Duane Wessels
   6  *
   7  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   8  * ----------------------------------------------------------
   9  *
  10  *  Squid is the result of efforts by numerous individuals from
  11  *  the Internet community; see the CONTRIBUTORS file for full
  12  *  details.   Many organizations have provided support for Squid's
  13  *  development; see the SPONSORS file for full details.  Squid is
  14  *  Copyrighted (C) 2001 by the Regents of the University of
  15  *  California; see the COPYRIGHT file for full details.  Squid
  16  *  incorporates software developed and/or copyrighted by other
  17  *  sources; see the CREDITS file for full details.
  18  *
  19  *  This program is free software; you can redistribute it and/or modify
  20  *  it under the terms of the GNU General Public License as published by
  21  *  the Free Software Foundation; either version 2 of the License, or
  22  *  (at your option) any later version.
  23  *
  24  *  This program is distributed in the hope that it will be useful,
  25  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27  *  GNU General Public License for more details.
  28  *
  29  *  You should have received a copy of the GNU General Public License
  30  *  along with this program; if not, write to the Free Software
  31  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  32  *
  33  *
  34  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  35  */
  36
  37 #include "squid.h"
  38 #include "acl/ProtocolData.h"
  39 #include "acl/Checklist.h"
  40 #include "URLScheme.h"
  41 #include "wordlist.h"
  42
  43 ACLProtocolData::ACLProtocolData() : values (NULL)
  44 {}
  45
  46 ACLProtocolData::ACLProtocolData(ACLProtocolData const &old) : values (NULL)
  47 {
  48     assert (!old.values);
  49 }
  50
  51 ACLProtocolData::~ACLProtocolData()
  52 {
  53     if (values)
  54         delete values;
  55 }
  56
  57 bool
  58 ACLProtocolData::match(AnyP::ProtocolType toFind)
  59 {
  60     return values->findAndTune (toFind);
  61 }
  62
  63 /* explicit instantiation required for some systems */
  64
  65 /// \cond AUTODOCS-IGNORE
  66 template cbdata_type CbDataList<AnyP::ProtocolType>::CBDATA_CbDataList;
  67 /// \endcond
  68
  69 wordlist *
  70 ACLProtocolData::dump()
  71 {
  72     wordlist *W = NULL;
  73     CbDataList<AnyP::ProtocolType> *data = values;
  74
  75     while (data != NULL) {
  76         wordlistAdd(&W, AnyP::ProtocolType_str[data->element]);
  77         data = data->next;
  78     }
  79
  80     return W;
  81 }
  82
  83 void
  84 ACLProtocolData::parse()
  85 {
  86     CbDataList<AnyP::ProtocolType> **Tail;
  87     char *t = NULL;
  88
  89     for (Tail = &values; *Tail; Tail = &((*Tail)->next));
  90     while ((t = strtokFile())) {
  91         int p = AnyP::PROTO_NONE;
  92         for (; p < AnyP::PROTO_UNKNOWN; ++p) {
  93             if (strcasecmp(t, AnyP::ProtocolType_str[p]) == 0) {
  94                 CbDataList<AnyP::ProtocolType> *q = new CbDataList<AnyP::ProtocolType>(static_cast<AnyP::ProtocolType>(p));
  95                 *(Tail) = q;
  96                 Tail = &q->next;
  97                 break;
  98             }
  99         }
 100         if (p == AnyP::PROTO_UNKNOWN) {
 101             debugs(28, DBG_IMPORTANT, "WARNING: Ignoring unknown protocol '" << t << "' in the ACL named '" << AclMatchedName << "'");
 102             // XXX: store the text pattern of this protocol name for live comparisons
 103         }
 104     }
 105 }
 106
 107 bool
 108 ACLProtocolData::empty() const
 109 {
 110     return values == NULL;
 111 }
 112
 113 ACLData<AnyP::ProtocolType> *
 114 ACLProtocolData::clone() const
 115 {
 116     /* Splay trees don't clone yet. */
 117     assert (!values);
 118     return new ACLProtocolData(*this);
 119 }