src/acl/ProtocolData.cc

   1 /*
   2  * Copyright (C) 1996-2014 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 /* DEBUG: section 28    Access Control */
  10
  11 #include "squid.h"
  12 #include "acl/Checklist.h"
  13 #include "acl/ProtocolData.h"
  14 #include "cache_cf.h"
  15 #include "Debug.h"
  16 #include "wordlist.h"
  17
  18 ACLProtocolData::ACLProtocolData(ACLProtocolData const &old)
  19 {
  20     assert(old.values.empty());
  21 }
  22
  23 ACLProtocolData::~ACLProtocolData()
  24 {
  25     values.clear();
  26 }
  27
  28 bool
  29 ACLProtocolData::match(AnyP::ProtocolType toFind)
  30 {
  31     for (auto itr = values.begin(); itr != values.end(); ++itr) {
  32         if (*itr == toFind) {
  33             // tune the list for LRU ordering
  34             values.erase(itr);
  35             values.push_front(toFind);
  36             return true;
  37         }
  38     }
  39     return false;
  40 }
  41
  42 SBufList
  43 ACLProtocolData::dump() const
  44 {
  45     SBufList sl;
  46     for (std::list<AnyP::ProtocolType>::const_iterator itr = values.begin(); itr != values.end(); ++itr) {
  47         sl.push_back(SBuf(AnyP::ProtocolType_str[*itr]));
  48     }
  49
  50     return sl;
  51 }
  52
  53 void
  54 ACLProtocolData::parse()
  55 {
  56     while (char *t = strtokFile()) {
  57         int p = AnyP::PROTO_NONE;
  58         for (; p < AnyP::PROTO_UNKNOWN; ++p) {
  59             if (strcasecmp(t, AnyP::ProtocolType_str[p]) == 0) {
  60                 values.push_back(static_cast<AnyP::ProtocolType>(p));
  61                 break;
  62             }
  63         }
  64         if (p == AnyP::PROTO_UNKNOWN) {
  65             debugs(28, DBG_IMPORTANT, "WARNING: Ignoring unknown protocol '" << t << "' in the ACL named '" << AclMatchedName << "'");
  66             // XXX: store the text pattern of this protocol name for live comparisons
  67         }
  68     }
  69 }
  70
  71 ACLData<AnyP::ProtocolType> *
  72 ACLProtocolData::clone() const
  73 {
  74     /* Splay trees don't clone yet. */
  75     assert(values.empty());
  76     return new ACLProtocolData(*this);
  77 }
  78