src/acl/MethodData.cc

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