src/acl/Ip.h

   1 /*
   2  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   3  * ----------------------------------------------------------
   4  *
   5  *  Squid is the result of efforts by numerous individuals from
   6  *  the Internet community; see the CONTRIBUTORS file for full
   7  *  details.   Many organizations have provided support for Squid's
   8  *  development; see the SPONSORS file for full details.  Squid is
   9  *  Copyrighted (C) 2001 by the Regents of the University of
  10  *  California; see the COPYRIGHT file for full details.  Squid
  11  *  incorporates software developed and/or copyrighted by other
  12  *  sources; see the CREDITS file for full details.
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  27  *
  28  *
  29  * Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
  30  */
  31
  32 #ifndef SQUID_ACLIP_H
  33 #define SQUID_ACLIP_H
  34
  35 #include "acl/Acl.h"
  36 #include "acl/Data.h"
  37 #include "ip/Address.h"
  38 #include "splay.h"
  39
  40 /// \ingroup ACLAPI
  41 class acl_ip_data
  42 {
  43
  44 public:
  45     MEMPROXY_CLASS(acl_ip_data);
  46     static acl_ip_data *FactoryParse(char const *);
  47     static int NetworkCompare(acl_ip_data * const & a, acl_ip_data * const &b);
  48
  49     acl_ip_data ();
  50
  51     acl_ip_data (Ip::Address const &, Ip::Address const &, Ip::Address const &, acl_ip_data *);
  52     void toStr(char *buf, int len) const;
  53     SBuf toSBuf() const;
  54
  55     Ip::Address addr1;
  56
  57     Ip::Address addr2;
  58
  59     Ip::Address mask; /**< \todo This should perhapse be stored as a CIDR range now instead of a full IP mask. */
  60
  61     acl_ip_data *next;          /**< used for parsing, not for storing */
  62
  63 private:
  64
  65     static bool DecodeMask(const char *asc, Ip::Address &mask, int string_format_type);
  66 };
  67
  68 MEMPROXY_CLASS_INLINE(acl_ip_data);
  69
  70 /// \ingroup ACLAPI
  71 class ACLIP : public ACL
  72 {
  73
  74 public:
  75     void *operator new(size_t);
  76     void operator delete(void *);
  77
  78     ACLIP() : data(NULL) {}
  79     explicit ACLIP(const ACLFlag flgs[]) : ACL(flgs), data(NULL) {}
  80
  81     ~ACLIP();
  82
  83     typedef SplayNode<acl_ip_data *> IPSplay;
  84
  85     virtual char const *typeString() const = 0;
  86     virtual void parse();
  87     //    virtual bool isProxyAuth() const {return true;}
  88     virtual int match(ACLChecklist *checklist) = 0;
  89     virtual SBufList dump() const;
  90     virtual bool empty () const;
  91
  92 protected:
  93
  94     int match(Ip::Address &);
  95     IPSplay *data;
  96
  97 private:
  98     static void DumpIpListWalkee(acl_ip_data * const & ip, void *state);
  99 };
 100
 101 #endif /* SQUID_ACLIP_H */