src/utils.hh

   1 #include <string>
   2 #include <vector>
   3 #include <time.h>
   4 #include <stdlib.h>
   5 #include <pdns/misc.hh>
   6 #include <pdns/utility.hh>
   7
   8
   9 #ifndef LDAPBACKEND_UTILS_HH
  10 #define LDAPBACKEND_UTILS_HH
  11
  12 using std::string;
  13 using std::vector;
  14
  15
  16 inline string ptr2ip4( vector<string>& parts )
  17 {
  18   string ip;
  19   parts.pop_back();
  20   parts.pop_back();
  21
  22
  23   ip = parts.back();
  24   parts.pop_back();
  25
  26   while( !parts.empty() )
  27   {
  28     ip += "." + parts.back();
  29     parts.pop_back();
  30   }
  31
  32   return ip;
  33 }
  34
  35
  36 inline string ptr2ip6( vector<string>& parts )
  37 {
  38   int i = 0;
  39   string ip;
  40
  41
  42   parts.pop_back();
  43   parts.pop_back();
  44
  45   while( i < 3 && parts.size() > 1 && parts.back() == "0" )
  46   {
  47     parts.pop_back();
  48     i++;
  49   }
  50
  51   while( i++ < 4 && !parts.empty() )
  52   {
  53     ip += parts.back();
  54     parts.pop_back();
  55   }
  56
  57   while( !parts.empty() )
  58   {
  59     i = 0;
  60     ip += ":";
  61
  62     while( i < 3 && parts.size() > 1 && parts.back() == "0" )
  63     {
  64       parts.pop_back();
  65       i++;
  66     }
  67
  68     while( i++ < 4 && !parts.empty() )
  69     {
  70       ip += parts.back();
  71       parts.pop_back();
  72     }
  73   }
  74
  75   return ip;
  76 }
  77
  78
  79 inline string ip2ptr4( const string& ip )
  80 {
  81   string ptr;
  82   vector<string> parts;
  83
  84   stringtok( parts, ip, "." );
  85   while( !parts.empty() )
  86   {
  87     ptr += parts.back() +  ".";
  88     parts.pop_back();
  89   }
  90
  91   return ptr + "in-addr.arpa";
  92 }
  93
  94
  95 inline string ip2ptr6( const string& ip )
  96 {
  97   string ptr, part, defstr;
  98   vector<string> parts;
  99
 100   stringtok( parts, ip, ":" );
 101   while( !parts.empty() )
 102   {
 103     defstr = "0.0.0.0.";
 104     part = parts.back();
 105
 106     while( part.length() < 4 )
 107     {
 108       part = "0" + part;
 109     }
 110
 111     defstr[0] = part[3];
 112     defstr[2] = part[2];
 113     defstr[4] = part[1];
 114     defstr[6] = part[0];
 115     ptr += defstr;
 116     parts.pop_back();
 117   }
 118
 119   return ptr + "ip6.arpa";
 120 }
 121
 122
 123 inline string strbind( const string& search, const string& replace, string subject )
 124 {
 125   size_t pos = 0;
 126
 127
 128   while( ( pos = subject.find( search, pos ) ) != string::npos )
 129   {
 130     subject.replace( pos, search.size(), replace );
 131     pos += replace.size();
 132   }
 133
 134   return subject;
 135 }
 136
 137 /*
 138  *  Convert a LDAP time string to a time_t. Return 0 if unable to convert
 139  */
 140
 141 inline time_t str2tstamp( const string& str )
 142 {
 143   char* tmp;
 144   struct tm tm;
 145
 146   tmp =  strptime( str.c_str(), "%Y%m%d%H%M%SZ", &tm );
 147
 148   if( tmp != NULL && *tmp == 0 )
 149   {
 150     return Utility::timegm( &tm );
 151   }
 152
 153   return 0;
 154 }
 155
 156 #endif