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Zone and SOA serial generation in place, main missing feature now is record addition/deletion

This commit is contained in:
Maff 2014-02-09 08:48:31 +00:00
parent 164e70a46a
commit f01bb0c1b6
1 changed files with 47 additions and 24 deletions
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rdns-manager
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@ -15,7 +15,9 @@ use Data::Validate::IP qw(is_public_ipv4 is_public_ipv6); #for valida
use Getopt::Long qw(:config posix_default bundling pass_through); #for intelligently handling cli arguments use Getopt::Long qw(:config posix_default bundling pass_through); #for intelligently handling cli arguments
use Net::DNS; #for doing forward and reverse lookups use Net::DNS; #for doing forward and reverse lookups
use Net::DNS::ZoneFile; #for working with BIND zones use Net::DNS::ZoneFile; #for working with BIND zones
use Net::DNS::ZoneParse; #for converting an array of RRs to a zone file
use Net::IP; #for converting IPs to their reverse zones use Net::IP; #for converting IPs to their reverse zones
use POSIX qw(strftime); #for SOA serial generation
use Data::Dumper; #debugging use Data::Dumper; #debugging
#conf #conf
@ -35,6 +37,9 @@ my $delptr = '';
my $newzone = ''; my $newzone = '';
my $prefixlen = 64; my $prefixlen = 64;
#other vars
my $made_modifications = '';
#functions #functions
sub nicedie { sub nicedie {
print shift."\n"; print shift."\n";
@ -106,33 +111,58 @@ sub does_record_exist {
my ($rec,$zone) = get_arpa $ip; my ($rec,$zone) = get_arpa $ip;
my @z = get_zone_array $ip; my @z = get_zone_array $ip;
return 0 unless @z; return 0 unless @z;
#I imagine this might be grossly inefficient on large zones (such as fully-populated IPv6 zones).
foreach(@z) { foreach(@z) {
return 1 if $_->name eq "$rec.$zone"; return 1 if $_->name eq "$rec.$zone";
} }
return 0; return 0;
} }
sub generate_soa_serial {
my $cur_serial = shift;
my $yyyymmdd = strftime "%Y%m%d", localtime;
return $cur_serial+1 if $cur_serial =~ /^$yyyymmdd[0-9]{2}$/;
return $yyyymmdd."00";
}
sub write_zone {
my $zone = shift;
open ZONE, ">$zone_dir$zone$zone_ext" or nicedie "Failed to open zonefile for $zone for writing!";
print ZONE Net::DNS::ZoneParse::writezone @_;
close ZONE or nicedie "Seemingly failed to close $zone$zone_ext, cowardly quitting here.";
}
sub get_rdns { sub get_rdns {
my $ip = shift; my $ip = shift;
return unless does_record_exist $ip; return unless does_record_exist $ip;
my ($rec,$zone) = get_arpa $ip; my ($rec,$zone) = get_arpa $ip;
my @z = get_zone_array $ip; my @z = get_zone_array $ip;
#More inefficient to repeat the same operation twice even.
foreach(@z) { foreach(@z) {
return $_->ptrdname if $_->name eq "$rec.$zone"; return $_->ptrdname if $_->name eq "$rec.$zone";
} }
return ""; return;
} }
sub set_rdns { sub set_rdns {
my ($ip,$fqdn) = @_; my ($ip,$fqdn) = @_;
my ($record,$zone) = get_arpa $ip; my ($record,$zone) = get_arpa $ip;
return 1; my @z = get_zone_array $ip;
foreach(@z) {
$_->serial(generate_soa_serial $_->serial) if $_->type eq "SOA";
$_->ptrdname($fqdn) if $_->name eq "$record.$zone";
} }
sub generate_zone { $made_modifications = 1;
my ($rec,$zone) = get_arpa shift; write_zone $zone,@z;
return 1; return 1;
} }
sub sync_cpanel { sub sync_cpanel {
return 1; return 1;
} }
sub do_sync {
my $ip = shift;
my ($rec,$zone) = get_arpa $ip;
for($net_type) {
sync_cpanel $zone when /cpanel/;
default { nicedie "Couldn't sync $zone: Don't have a known sync method for network type $net_type."; }
}
}
#main #main
#do argument parsing. all unknown arguments get left in @ARGV so I can `shift`. #do argument parsing. all unknown arguments get left in @ARGV so I can `shift`.
@ -155,23 +185,16 @@ my $domain = shift;
nicedie "Invalid FQDN '$domain'!" if defined $domain and !validate_domain $domain; nicedie "Invalid FQDN '$domain'!" if defined $domain and !validate_domain $domain;
$domain =~ s/([a-zA-Z])$/$1./ if defined $domain; #Append final period if it doesn't exist $domain =~ s/([a-zA-Z])$/$1./ if defined $domain; #Append final period if it doesn't exist
my $testing = 1; #Main program flow
nicedie "You seem to have specified both --no-sync and --force-sync. Please make your mind up." if $nosync and $fsync;
#testing data
if($testing) {
print "Testing data. IP: $ip";
(defined $domain) ? print ", Domain: $domain" : print ".";
print "\n";
my ($testrec,$testz) = get_arpa $ip;
print "Authoritative zone (for IPv6, based off prefixlen $prefixlen): $testz, record: $testrec\n";
print "Zone ";
for(does_zone_exist $ip) { for(does_zone_exist $ip) {
print "doesn't exist" when -2; my ($trec,$tz) = get_arpa $ip;
print "exists, but isn't a zone" when -1; nicedie "Authoritative zone for IP $ip doesn't exist! Please create zone $tz or ensure you specified the correct subnet mask if this is an IPv6 address!" when -2;
print "exists, but isn't writeable" when 0; nicedie "Zonefile $tz (supposedly authoritative for $ip) doesn't appear to be a valid BIND zone. Please check the zonefile and try again." when -1;
default {print "exists and is writeable";} nicedie "Authoritative zone for IP $ip exists but we can't write to it. Please check the permissions on the zonefile for $tz." when 0;
}
print "\nRecord $testrec ";
(does_record_exist $ip) ? print "exists, and points to ".get_rdns $ip : print "doesn't exist.";
print "\n";
} }
#if(!defined $domain and $reset) {
# set_rdns $ip,$def_rdns or nicedie "Failed to set rDNS for $ip to '$def_rdns'!";
#}
#do_sync $ip if (($made_modifications and !$nosync) or $fsync);
set_rdns $ip,$domain;