source: trunk/DNSDB/ExportBIND.pm@ 849

Last change on this file since 849 was 849, checked in by Kris Deugau, 2 years ago

/trunk

BIND export, unwinding dev saves, 2 of many many

  • Start stubbing out reverse zone loop
  • Add a templatable variable for BIND export pathnames
  • Property svn:keywords set to Date Rev Author Id
File size: 3.6 KB
RevLine 
[847]1# dns/trunk/DNSDB/ExportBIND.pm
2# BIND data export/publication
3# Call through DNSDB.pm's export() sub
4##
5# $Id: ExportBIND.pm 849 2022-09-01 17:17:46Z kdeugau $
6# Copyright 2022 Kris Deugau <kdeugau@deepnet.cx>
7#
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
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, see <http://www.gnu.org/licenses/>.
20##
21
22package DNSDB::ExportBIND;
23
24use strict;
25use warnings;
26
27sub export {
28 # expected to be a DNSDB object
29 my $self = shift;
30 my $dbh = $self->{dbh};
31
[849]32 # to be a hash of views/locations, containing lists of zones
33 my %viewzones;
34
[848]35 # allow for future exports of subgroups of records
[849]36 my $viewlist = $self->getLocList(curgroup => 1);
[847]37
[849]38 # Fetch active zone list
39 my $revsth = $self->{dbh}->prepare("SELECT rdns_id,revnet,status,changed,default_location FROM revzones WHERE status=1 ".
40 "ORDER BY masklen(revnet) DESC, rdns_id");
41 # Unflag changed zones, so we can maybe cache the export and not redo everything every time
42 my $zonesth = $self->{dbh}->prepare("UPDATE revzones SET changed='n' WHERE rdns_id=?");
43 $revsth->execute();
44 while (my ($revid,$revzone,$revstat,$changed,$defloc) = $revsth->fetchrow_array) {
45 # fetch a list of views/locations present in the zone. we need to publish a file for each one.
46 # in the event that no locations are present (~~ $viewlist is empty), /%view collapses to nothing in the zone path
47 my (@loclist) = $self->{dbh}->selectrow_array("SELECT DISTINCT location FROM records WHERE rdns_id = ?", undef, $revid);
48 push @loclist, $defloc;
49 my $zonepath = $self->{bind_export_zone_path};
50 my %zonefiles; # to be a list of file handles.
51##fixme: convert logical revzone into .arpa name
52 foreach my $loc (@loclist) {
53 local $zonepath =~ s/\%view/$loc/;
54print "open $zonefiles{$loc}, $zonepath\n";
55 }
56
57 } # revsth->fetch
58
59
60 # Write the view configuration last, because otherwise we have to be horribly inefficient
61 # at figuring out which zones are visible/present in which views
[848]62 if ($viewlist) {
63 foreach my $view (@{$viewlist}) {
64#print Dumper($view);
65# print BINDCONF "view $view->{location} {\n";
66 print "view $view->{location} {\n";
67 # could also use an acl { ... }; statement, then match-clients { aclname; };, but that gets hairy
68 # note that some semantics of data visibility need to be handled by the record export, since it's
69 # not 100% clear if the semantics of a tinydns view with an empty IP list (matches anyone) are the
70 # same as a BIND view with match-clients { any; };
71 if ($view->{iplist}) {
72# print BINDCONF " match-clients { ".join("; ", $view->iplist)."; };\n";
73 print " match-clients { ".join("; ", split(/[\s,]+/, $view->{iplist}))."; };\n";
74 } else {
[849]75# print BINDCONF " match-clients { any; };\n";
76 print " match-clients { any; };\n";
[848]77 }
[849]78 foreach my $zone (@{$viewzones{$view->{location}}}) {
79##fixme: notify settings, maybe per-zone?
80 print qq( zone "$zone" IN {\n\ttype master;\n\tnotify no;\n\tfile "db.$zone";\n };\n);
81 }
[848]82 print "};\n\n";
83 } # foreach @$viewlist
84 } # if $viewlist
85
86} # export()
87
[847]881;
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