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Net::DNSBL::Utilities(3) User Contributed Perl Documentation Net::DNSBL::Utilities(3)
 

Net::DNSBL::Utilities - functions for DNSBL daemons

  use Net::DNSBL::Utilities qw(
        s_response 
        not_found  
        write_stats
        bystat
        statinit
        cntinit
        list2hash
        open_udpNB
        DO
        doINCLUDE
        list2NetAddr
        matchNetAddr
        list_countries
        setAUTH
        setRA
        A1271
        A1272
        A1273
        A1274
        A1275
        A1276
        A1277
  );
  s_response($mp,$resp,$id,$qdcount,$ancount,$nscount,$arcount);
  not_found($put,$name,$type,$id,$mp,$srp);
  write_stats($sfile,$cp,$sinit,$csize,$cache);
  $rv = bystat($cp);
  $timestamp = statinit($Sfile,$cp);
  cntinit($DNSBL,$cp);
  list2hash(\@list,$cp,$val);
  $sock = open_udpNB();
  $rv = DO($file,$nowarnings)
  $rv = doINCLUDE($file,$nowarnings);
  $rv=list2NetAddr(\@inlist,\@NAobject);
  $rv = matchNetAddr($ip,\@NAobject);
  ($countries,$code3s,$names) = list_countries;
  setAUTH(true/false);
  setRA(true/false);
  $netaddr = A1271;
  $netaddr = A1272;
  $netaddr = A1273;
  $netaddr = A1274;
  $netaddr = A1275;
  $netaddr = A1276;
  $netaddr = A1277;

Net::DNSBL::Utilities contains functions used to build DNSBL emulator daemons.
s_response($mp,$resp,$id,$qdcount,$ancount,$nscount,$arcount);
Put a short response into the message buffer pointed to by $mp by sticking a new header on the EXISTING received query.
  input:        msg pointer,
                id of question,
                qd, an, ns, ar counts
  returns:      nada
    
not_found($put,$name,$type,$id,$mp,$srp);
Put a new 'not found' response in the buffer pointed to by $mp.
  input:        put,
                name,
                type,
                id,
                message buffer pointer,
                SOA record pointer
  returns:      nothing
    
write_stats($sfile,$cp,$sinit,$csize,$cache);
Write out the contents of the accumulated statistics buffer to the STATs file.
  input:        statistics file path,
                pointer to count hash,
                initial timestamp line text
                cache flag/max size
                current cache size
  returns:      nothing
    
$rv = bystat($cp);
Return sort value +-1 or 0 for stat sort
  input:        $a,$b sort values
                pointer to count hash
  returns:      sort decision value
    
$timestamp = statinit($Sfile,$cp);
Initialize the contents of the statistics hash with the file contents of $Sfile, if $Sfile exists and there are corresponding entries in the statistics hash. i.e. the statistics hash keys must first be initialized with the DNSBL (or LABEL) names.
  input:        statistics file path,
                pointer to count hash
  returns:      timestamp line for file
                or undef on failure
    
cntinit($DNSBL,$cp);
Initialize the statistics count hash with DNSBL keys and set the counts to zero.
For compatibility with other applications, LABEL names other than the DNSBL's must NOT contain '.' Only the keys in the DNSBL hash that contain '.'s are added to the count hash.
The count hash is first emptied if it is not null to begin with.
  input:        pointer to DNSBL hash,
                pointer to counts hash
  returns:      nothing
    
list2hash(\@list,$cp,$val);
Add a list of names as keys to the statistics count hash and set the hash value to $val or zero if $val is not present.
For compatibility with other applications, the labels in "list" must not contain the character '.'
  input:        pointer to list of labels,
                pointer to counts hash,
                value [optional]
  returns:      nothing
    
$rv = DO($file,$nowarnings);
This is a fancy 'do file'. It first checks that the file exists and is readable, then does a 'do file' to pull the variables and subroutines into the current name space.
See the documentation File::SafeDO
  input:        file/path/name
  returns:      last value in file
            or  undef on error
            prints warning
    
$rv = DO($file,$nowarnings);
This is a fancy 'do file'. It first checks that the file exists and is readable, then does a 'do file' to pull the variables and subroutines into the current name space.
See the documentation File::SafeDO
  input:        file/path/name
  returns:      last value in file
            or  undef on error
            prints warning
    
$sock = open_udpNB();
Open and return a non-blocking UDP socket object
  input:        none
  returns:      pointer to socket object
                or undef on failure
    
$rv=list2NetAddr(\@inlist,\@NAobject);
Build of NetAddr object structure from a list of IPv4 addresses or address ranges. This object is passed to matchNetAddr to check if a given IP address is contained in the list.
  input:        array reference pointer
                to a list of addresses
  i.e.          11.22.33.44
                11.22.33.0/24
                11.22.33.0/255.255.255.0
                11.22.33.20-11.22.33.46
                11.22.33.20 - 11.22.33.46
  output:       Number of objects created
                or undef on error
    
The NAobject array is filled with NetAddr::IP::Lite object references.
$rv = matchNetAddr($ip,\@NAobject);
Check if an IP address appears in a list of NetAddr objects.
  input:        dot quad IP address,
                reference to NetAddr objects
  output:       true if match else false
    
($countries,$code3s,$names) = list_countries;
The function returns the list of 2 character, 3 character and country code names from the Geo::IP::PurePerl module if it is installed.
  input:        none
  returns:      \@countries,\@code3s,\@names
                blessed into callers namespace
    
NOTE: this process is very inefficient and should not be called in a repetitive fashion.
If Geo::IP::PurePerl is not installed, the function returns and empty array and sets $@;
setAUTH(true/false);
Set the Authoratitive Answer bit true or false for all replys
  input:        true/false
  returns:      nothing
    
setRA(true/false);
Set the Recursion Allowed bit true or false for all replys
  input:        true/false
  returns:      nothing
    
$netaddr = A127x
Functions A1271, A1272, A1273, etc..., return the packed network address for 127.0.0.1, 127.0.0.2, etc.... respectively

        Net::DNS::Codes
        Net::DNS::ToolKit

        s_response 
        not_found  
        write_stats
        bystat
        statinit
        cntinit
        list2hash
        open_udpNB
        DO
        list2NetAddr
        matchNetAddr
        list_countries
        setAUTH
        setRA
        A1271
        A1272
        A1273
        A1274
        A1275
        A1276
        A1277

Michael Robinton, michael@bizsystems.com

Copyright 2003 - 2007, Michael Robinton & BizSystems This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

Net::DNS::Codes, Net::DNS::ToolKit, Mail::SpamCannibal
2019-01-01 perl v5.28.1

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