pdns/rcpgenerator.hh

   1 /*
   2  * This file is part of PowerDNS or dnsdist.
   3  * Copyright -- PowerDNS.COM B.V. and its contributors
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * In addition, for the avoidance of any doubt, permission is granted to
  10  * link this program with OpenSSL and to (re)distribute the binaries
  11  * produced as the result of such linking.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #ifndef PDNS_RCPGENERATOR_HH
  23 #define PDNS_RCPGENERATOR_HH
  24 #include <inttypes.h>
  25 #include <string>
  26 #include <stdexcept>
  27
  28 #include "namespaces.hh"
  29 #include "dnsname.hh"
  30 #include "iputils.hh"
  31
  32 class RecordTextException : public runtime_error
  33 {
  34 public:
  35   RecordTextException(const string& str) : runtime_error(str)
  36   {}
  37 };
  38
  39 class RecordTextReader
  40 {
  41 public:
  42   RecordTextReader(const string& str, const DNSName& zone=DNSName(""));
  43   void xfr64BitInt(uint64_t& val);
  44   void xfr48BitInt(uint64_t& val);
  45   void xfr32BitInt(uint32_t& val);
  46   void xfr16BitInt(uint16_t& val);
  47   void xfr8BitInt(uint8_t& val);
  48
  49   void xfrType(uint16_t& val);
  50   void xfrIP(uint32_t& val);
  51   void xfrIP6(std::string& val);
  52   void xfrCAWithoutPort(uint8_t version, ComboAddress &val);
  53   void xfrCAPort(ComboAddress &val);
  54   void xfrTime(uint32_t& val);
  55
  56   void xfrName(DNSName& val, bool compress=false, bool noDot=false);
  57   void xfrText(string& val, bool multi=false, bool lenField=true);
  58   void xfrUnquotedText(string& val, bool lenField=true);
  59   void xfrHexBlob(string& val, bool keepReading=false);
  60   void xfrBase32HexBlob(string& val);
  61
  62   void xfrBlobNoSpaces(string& val, int len=-1);
  63   void xfrBlob(string& val, int len=-1);
  64
  65   const string getRemaining() const {
  66     return d_string.substr(d_pos);
  67   }
  68
  69   bool eof();
  70 private:
  71   string d_string;
  72   DNSName d_zone;
  73   string::size_type d_pos;
  74   string::size_type d_end;
  75   void skipSpaces();
  76 };
  77
  78 class RecordTextWriter
  79 {
  80 public:
  81   RecordTextWriter(string& str, bool noDot=false);
  82   void xfr48BitInt(const uint64_t& val);
  83   void xfr32BitInt(const uint32_t& val);
  84   void xfr16BitInt(const uint16_t& val);
  85   void xfr8BitInt(const uint8_t& val);
  86   void xfrIP(const uint32_t& val);
  87   void xfrIP6(const std::string& val);
  88   void xfrCAWithoutPort(uint8_t version, ComboAddress &val);
  89   void xfrCAPort(ComboAddress &val);
  90   void xfrTime(const uint32_t& val);
  91   void xfrBase32HexBlob(const string& val);
  92
  93   void xfrType(const uint16_t& val);
  94   void xfrName(const DNSName& val, bool compress=false, bool noDot=false);
  95   void xfrText(const string& val, bool multi=false, bool lenField=true);
  96   void xfrUnquotedText(const string& val, bool lenField=true);
  97   void xfrBlobNoSpaces(const string& val, int len=-1);
  98   void xfrBlob(const string& val, int len=-1);
  99   void xfrHexBlob(const string& val, bool keepReading=false);
 100   bool eof() { return true; };
 101
 102   const string getRemaining() const {
 103      return "";
 104   }
 105 private:
 106   string& d_string;
 107   bool d_nodot;
 108 };
 109 #endif