src/acl/IntRange.cc

   1 /*
   2  * Copyright (C) 1996-2015 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/IntRange.h"
  13 #include "cache_cf.h"
  14 #include "Debug.h"
  15 #include "fatal.h"
  16 #include "Parsing.h"
  17
  18 void
  19 ACLIntRange::parse()
  20 {
  21     char *a;
  22
  23     while ((a = strtokFile())) {
  24         char *b = strchr(a, '-');
  25         unsigned short port1, port2;
  26
  27         if (b) {
  28             *b = '\0';
  29             ++b;
  30         }
  31
  32         port1 = xatos(a);
  33
  34         if (b)
  35             port2 = xatos(b);
  36         else
  37             port2 = port1;
  38
  39         if (port2 >= port1) {
  40             RangeType temp(port1, port2+1);
  41             ranges.push_back(temp);
  42         } else {
  43             debugs(28, DBG_CRITICAL, "ACLIntRange::parse: Invalid port value");
  44             self_destruct();
  45         }
  46     }
  47 }
  48
  49 bool
  50 ACLIntRange::empty() const
  51 {
  52     return ranges.empty();
  53 }
  54
  55 bool
  56 ACLIntRange::match(int i)
  57 {
  58     RangeType const toFind(i, i+1);
  59     for (std::list<RangeType>::const_iterator iter = ranges.begin(); iter != ranges.end(); ++iter) {
  60         const RangeType & element = *iter;
  61         RangeType result = element.intersection(toFind);
  62
  63         if (result.size())
  64             return true;
  65     }
  66
  67     return false;
  68 }
  69
  70 ACLData<int> *
  71 ACLIntRange::clone() const
  72 {
  73     if (!ranges.empty())
  74         fatal("ACLIntRange::clone: attempt to clone used ACL");
  75
  76     return new ACLIntRange(*this);
  77 }
  78
  79 ACLIntRange::~ACLIntRange()
  80 {}
  81
  82 SBufList
  83 ACLIntRange::dump() const
  84 {
  85     SBufList sl;
  86     for (std::list<RangeType>::const_iterator iter = ranges.begin(); iter != ranges.end(); ++iter) {
  87         SBuf sb;
  88         const RangeType & element = *iter;
  89
  90         if (element.size() == 1)
  91             sb.Printf("%d", element.start);
  92         else
  93             sb.Printf("%d-%d", element.start, element.end-1);
  94
  95         sl.push_back(sb);
  96     }
  97
  98     return sl;
  99 }
 100