mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-10-31 19:32:31 +00:00
e68fe9d2db
git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/trunk@1561 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd
1036 lines
28 KiB
Perl
Executable File
1036 lines
28 KiB
Perl
Executable File
#!/usr/bin/perl
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# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
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#This is ported forward from xCAT 1.3
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#TODO: A lot of stuff was handled by the script portion of makedns, notably:
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# db.cache
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# forwarders
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# chroot
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# dnsallowq
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# mucking with sysconfig
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package xCAT_plugin::bind;
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use Sys::Hostname;
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use Cwd;
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use xCAT::Table;
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use Data::Dumper;
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use Sys::Syslog;
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sub handled_commands {
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return {"makedns" => "bind"};
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}
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#NAME
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#
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# h2n - Translate host table to name server file format
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# $Date: 1999/08/08 17:17:56 $ $Revision: 8.2 $
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#
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#SYNOPSIS
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#
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# h2n -d DOMAIN -n NET [options]
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# Various defaults
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my $Host;
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my $doaliases = 1;
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my $domx = 1;
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my $dowks = 0;
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my $dotxt = 0;
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my $dontdodomains = 0;
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my $Bootfile = "/etc/named.conf";
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my $DBDir = "/var/named/";
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my $Domain = "";
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my $Hostfile = "/etc/hosts";
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my $Commentfile = "";
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my $Commentfileread = 0;
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my $User = "root";
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my $RespHost = "";
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my $RespUser = "";
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my $DefSerial = 1;
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my $DefRefresh = 10800;
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my $DefRetry = 3600;
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my $DefExpire = 604800;
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my $DefTtl = 86400;
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my $UseDefSOAValues = 0;
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my $DefMxWeight = 10;
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my $Defsubnetmask = "";
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my $ForceSerial = -1;
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my $UseDateInSerial = 1;
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my $DateSerial = 0;
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my $Version = 8;
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my $request;
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my $callback;
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my @forwarders;
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sub process_request {
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$request = shift;
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$callback = shift;
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$Host = hostname;
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$Host =~ s/\..*//;
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my $sitetab = xCAT::Table->new('site');
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unless ($sitetab) {
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$callback->({error=>["No site table found"],errorcode=>[1]});
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return;
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}
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my @args = @{$request->{arg}};
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(my $fent) = $sitetab->getAttribs({key=>'forwarders'},'value');
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if ($fent and defined $fent->{value}) {
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@forwarders = split /[,:;]/,$fent->{value};
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}
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unless (grep /^-d$/,@args) {
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(my $dent) = $sitetab->getAttribs({key=>'domain'},'value');
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if ($dent and $dent->{value}) {
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push @args,"-d";
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$dent->{value} =~ s/\.$//;
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push @args,$dent->{value};
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}
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}
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unless (grep /^-s$/,@args) {
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push @args,"-s";
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push @args,$Host;
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}
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unless (grep /^-n$/,@args) {
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my $nettab = xCAT::Table->new('networks');
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unless ($nettab) {
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$callback->({error=>"Unable to open networks table, has makenetworks been run?"});
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return;
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}
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foreach (@{$nettab->getAllEntries()}) {
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push @args,"-n";
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push @args,$_->{net}.":".$_->{mask}
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}
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}
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push(@bootmsgs_v4, "primary\t0.0.127.IN-ADDR.ARPA db.127.0.0\n");
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push(@bootmsgs_v8,
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qq|zone "0.0.127.IN-ADDR.ARPA" in {\n\ttype master;\n\tfile "db.127.0.0";\n\tnotify no;\n};\n\n|);
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&PARSEARGS(@args);
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&FIXUP;
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open(HOSTS, $Hostfile) || die "can not open $Hostfile";
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LINE: while(<HOSTS>){
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next if /^[ \t]*#/; # skip comment lines
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next if /^$/; # skip empty lines
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chop; # remove the trailing newline
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tr/A-Z/a-z/; # translate to lower case
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($data,$comment) = split('#', $_, 2);
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($addr, $names) = split(/[ ]+/, $data, 2);
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if ($names =~ /^[ \t]*$/) {
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#$callback->({data=>["Bad line in hosts file ignored '$_'"]});
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next LINE;
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}
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$addr =~ s/^[ ]*//;
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$addr =~ s/[ ]*$//;
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if ($addr !~ /^\d+\.\d+\.\d+\.\d+$/) {
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$callback->({data=>["Ignoring $addr (not a valid IPv4 address)"]});
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next LINE;
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}
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# Match -e args
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foreach $netpat (@elimpats){
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next LINE if (/[.\s]$netpat/);
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}
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# Process -c args
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foreach $netpat (@cpats){
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if (/\.$netpat/) {
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($canonical, $aliases) = split(' ', $names, 2);
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$canonical =~ s/\.$netpat//;
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if($Cnames{$canonical} != 1){
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printf DOMAIN "%-20s IN CNAME %s.%s.\n",
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$canonical, $canonical, $cpatrel{$netpat};
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$Cnames{$canonical} = 1;
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}
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next LINE;
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}
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}
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# Check that the address is in the address list.
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$match = 'none';
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foreach $netpat (@Netpatterns){
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$match = $netpat, last if ($addr =~ /^$netpat\./ or $addr =~ /^$netpat$/);
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}
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next if ($match eq 'none');
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($canonical, $aliases) = split(' ', $names, 2); # separate out aliases
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next if ($dontdodomains && $canonical =~ /\./); # skip domain names
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$canonical =~ s/$Domainpattern//; # strip off domain if there is one
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$Hosts{$canonical} .= $addr . " "; # index addresses by canonical name
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$Aliases{$addr} .= $aliases . " "; # index aliases by address
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$Comments{"$canonical-$addr"} = $comment;
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# Print PTR records
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$file = $Netfiles{$match};
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printf $file "%-30s\tIN PTR %s.%s.\n",
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&REVERSE($addr), $canonical, $Domain;
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}
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#
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# Go through the list of canonical names.
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# If there is more than 1 address associated with the
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# name, it is a multi-homed host. For each address
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# look up the aliases since the aliases are associated
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# with the address, not the canonical name.
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#
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foreach $canonical (keys %Hosts){
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@addrs = split(' ', $Hosts{$canonical});
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$numaddrs = $#addrs + 1;
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foreach $addr (@addrs) {
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#
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# Print address record for canonical name.
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#
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if($Cnames{$canonical} != 1){
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printf DOMAIN "%-20s IN A %s\n", $canonical, $addr;
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} else {
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syslog("local1|err","$canonical - can't create A record because CNAME exists for name.\n");
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}
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#
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# Print cname or address records for each alias.
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# If this is a multi-homed host, print an address
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# record for each alias. If this is a single address
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# host, print a cname record.
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#
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if ($doaliases) {
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@aliases = split(' ', $Aliases{$addr});
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foreach $alias (@aliases){
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#
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# Skip over the alias if the alias and canonical
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# name only differ in that one of them has the
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# domain appended to it.
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#
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next if ($dontdodomains && $alias =~ /\./); # skip domain names
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$alias =~ s/$Domainpattern//;
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if($alias eq $canonical){
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next;
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}
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$aliasforallnames = 0;
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if($numaddrs > 1){
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#
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# If alias exists for *all* addresses of this host, we
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# can use a CNAME instead of an address record.
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#
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$aliasforallnames = 1;
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$xalias = $alias . " "; # every alias ends with blank
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@xaddrs = split(' ', $Hosts{$canonical});
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foreach $xaddr (@xaddrs) {
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if(!($Aliases{$xaddr} =~ /\b$xalias/)) {
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$aliasforallnames = 0;
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}
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}
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}
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if(($numaddrs > 1) && !$aliasforallnames){
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printf DOMAIN "%-20s IN A %s\n", $alias, $addr;
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} else {
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#
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# Flag aliases that have already been used
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# in CNAME records or have A records.
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#
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if(($Cnames{$alias} != 1) && (!$Hosts{$alias})){
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printf DOMAIN "%-20s IN CNAME %s.%s.\n",
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$alias, $canonical, $Domain;
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$Cnames{$alias} = 1;
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} else {
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syslog "local1|err","$alias - CNAME or A exists already; alias ignored\n";
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}
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}
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if($aliasforallnames){
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#
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# Since a CNAME record was created, remove this
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# name from the alias list so we don't encounter
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# it again for the next address of this host.
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#
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$xalias = $alias . " "; # every alias ends with blank
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@xaddrs = split(' ', $Hosts{$canonical});
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foreach $xaddr (@xaddrs) {
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$Aliases{$xaddr} =~ s/\b$xalias//;
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}
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}
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}
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}
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}
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if ($domx) {
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&MX($canonical, @addrs);
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}
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if ($dotxt) {
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&TXT($canonical, @addrs);
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}
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if ($Commentfile ne "") {
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&DO_COMMENTS($canonical, @addrs);
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}
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}
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# Deal with spcl's
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if (-r "spcl.$Domainfile") {
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print DOMAIN "\$INCLUDE spcl.$Domainfile\n";
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}
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foreach $n (@Networks) {
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if (-r "spcl.$n") {
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$file = "DB.$n";
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print $file "\$INCLUDE spcl.$n\n";
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}
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}
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# generate boot.* files
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&GEN_BOOT;
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}
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#
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# Generate resource record data for
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# strings from the commment field that
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# are found in the comment file (-C).
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#
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sub DO_COMMENTS {
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local($canonical, @addrs) = @_;
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local(*F, @c, $c, $a, $comments);
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if (!$Commentfileread) {
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open(F, $Commentfile) || die "Unable to open file $Commentfile: $!";
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$Commentfileread++;
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while (<F>) {
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chop;
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($key, $c) = split(':', $_, 2);
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$CommentRRs{$key} = $c;
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}
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close(F);
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}
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foreach $a (@addrs) {
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$key = "$canonical-$a";
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$comments .= " $Comments{$key}";
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}
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@c = split(' ', $comments);
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foreach $c (@c) {
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if($CommentRRs{$c}){
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printf DOMAIN "%-20s %s\n", $canonical, $CommentRRs{$c};
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}
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}
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}
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#
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# Generate MX record data
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#
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sub MX {
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local($canonical, @addrs) = @_;
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local($first, $a, $key, $comments);
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if($Cnames{$canonical}){
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syslog "local1|err","$canonical - can't create MX record because CNAME exists for name.\n";
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return;
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}
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$first = 1;
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foreach $a (@addrs) {
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$key = "$canonical-$a";
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$comments .= " $Comments{$key}";
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}
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if ($comments !~ /\[no smtp\]/) {
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# Add WKS if requested
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if ($dowks) {
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foreach $a (@addrs) {
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printf DOMAIN "%-20s IN WKS %s TCP SMTP\n", $canonical, $a;
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}
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}
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printf DOMAIN "%-20s IN MX %s %s.%s.\n", $canonical, $DefMxWeight,
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$canonical, $Domain;
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$first = 0;
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}
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if ($#Mx >= 0) {
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foreach $a (@Mx) {
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if ($first) {
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printf DOMAIN "%-20s IN MX %s\n", $canonical, $a;
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$first = 0;
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} else {
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printf DOMAIN "%-20s IN MX %s\n", "", $a;
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}
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}
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}
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}
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#
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# Generate TXT record data
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#
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sub TXT {
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local($canonical, @addrs) = @_;
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local($a, $key, $comments);
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foreach $a (@addrs) {
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$key = "$canonical-$a";
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$comments .= " $Comments{$key}";
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}
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$comments =~ s/\[no smtp\]//g;
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$comments =~ s/^\s*//;
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$comments =~ s/\s*$//;
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if ($comments ne "") {
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printf DOMAIN "%s IN TXT \"%s\"\n", $canonical, $comments;
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}
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}
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#
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# Create the SOA record at the beginning of the file
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#
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sub MAKE_SOA {
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local($fname, $file) = @_;
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local($s);
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if ( -s $fname) {
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open($file, "$fname") || die "Unable to open $fname: $!";
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$_ = <$file>;
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chop;
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if (/\($/) {
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if (! $soa_warned) {
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syslog "local1|err","Converting SOA format to new style.\n";
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$soa_warned++;
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}
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if ($ForceSerial > 0) {
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$Serial = $ForceSerial;
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} else {
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($Serial, $junk) = split(' ', <$file>, 2);
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$Serial++;
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if($UseDateInSerial && ($DateSerial > $Serial)){
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$Serial = $DateSerial;
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}
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}
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($Refresh, $junk) = split(' ', <$file>, 2);
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($Retry, $junk) = split(' ', <$file>, 2);
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($Expire, $junk) = split(' ', <$file>, 2);
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($Ttl, $junk) = split(' ', <$file>, 2);
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} else {
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if (/TTL/) {
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$_ = <$file>;
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}
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split(' ');
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if ($#_ == 11) {
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if ($ForceSerial > 0) {
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$Serial = $ForceSerial;
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} else {
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$Serial = ++@_[6];
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if($UseDateInSerial && ($DateSerial > $Serial)){
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$Serial = $DateSerial;
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}
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}
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$Refresh = @_[7];
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$Retry = @_[8];
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$Expire = @_[9];
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$Ttl = @_[10];
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} else {
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syslog "local1|err","Improper format SOA in $fname.\n";
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syslog "local1|err","I give up ... sorry.\n";
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exit(1);
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}
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}
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if($UseDefSOAValues){
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$Refresh = $DefRefresh;
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$Retry = $DefRetry;
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$Expire = $DefExpire;
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$Ttl = $DefTtl;
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}
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close($file);
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} else {
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if ($ForceSerial > 0) {
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$Serial = $ForceSerial;
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} else {
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$Serial = $DefSerial;
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if($UseDateInSerial && ($DateSerial > $Serial)){
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$Serial = $DateSerial;
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}
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}
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$Refresh = $DefRefresh;
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$Retry = $DefRetry;
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$Expire = $DefExpire;
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$Ttl = $DefTtl;
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close($file);
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}
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open($file, "> $fname") || die "Unable to open $fname: $!";
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print $file '$TTL 86400'."\n";
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print $file "\@ IN SOA $RespHost $RespUser ";
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print $file "( $Serial $Refresh $Retry $Expire $Ttl )\n";
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foreach $s (@Servers) {
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print $file " IN NS $s\n";
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}
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print $file "\n";
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}
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#
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# Reverse the octets of an IP address and append
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# in-addr.arpa.
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#
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sub REVERSE {
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join('.', reverse(split('\.', $_[0]))) . '.IN-ADDR.ARPA.';
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}
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#
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# Establish what we will be using for SOA records
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#
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sub FIXUP {
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local($s);
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if ($Host =~ /\./) {
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$RespHost = "$Host.";
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} else {
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$RespHost = "$Host.$Domain.";
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}
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$RespHost =~ s/\.\././g;
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if ($User =~ /@/) { # -u user@...
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if ($User =~ /\./) {
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$RespUser = "$User."; # -u user@terminator.movie.edu
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} else {
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$RespUser = "$User.$Domain."; # -u user@terminator
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}
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$RespUser =~ s/@/./;
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} elsif ($User =~ /\./) {
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$RespUser = "$User."; # -u user.terminator.movie.edu
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} else {
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$RespUser = "$User.$RespHost"; # -u user
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}
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$RespUser =~ s/\.\././g; # Strip any ".."'s to "."
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|
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# Clean up nameservers
|
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if (!defined(@Servers)) {
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syslog "local1|err","No -s option specified. Assuming \"-s $Host.$Domain\"\n";
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push(@Servers, "$Host.$Domain.");
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} else {
|
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foreach $s (@Servers) {
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if ($s !~ /\./) {
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$s .= ".$Domain";
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}
|
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if ($s !~ /\.$/) {
|
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$s .= ".";
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}
|
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}
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}
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|
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# Clean up MX hosts
|
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foreach $s (@Mx) {
|
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$s =~ s/:/ /;
|
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if ($s !~ /\./) {
|
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$s .= ".$Domain";
|
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}
|
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if ($s !~ /\.$/) {
|
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$s .= ".";
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}
|
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}
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|
|
|
# Now open boot file and print saved data
|
|
open(BOOT, "> $Bootfile") || die "can not open $Bootfile";
|
|
|
|
#
|
|
# Write either the version 4 boot file directives or the
|
|
# version 8 boot file directives.
|
|
#
|
|
|
|
if($Version == 4) {
|
|
print BOOT "\ndirectory $DBDir\n";
|
|
foreach $line (@bootmsgs_v4) {
|
|
print BOOT $line;
|
|
}
|
|
print BOOT "cache\t. db.cache\n";
|
|
if (-r "spcl.boot") {
|
|
print BOOT "include\tspcl.boot\n";
|
|
}
|
|
} else {
|
|
print BOOT
|
|
qq|\noptions {\n\tdirectory "$DBDir";\n|;
|
|
if (@forwarders) {
|
|
print BOOT qq|\tforwarders {\n|;
|
|
foreach (@forwarders) {
|
|
print BOOT qq|\t\t$_;\n|;
|
|
}
|
|
print BOOT qq|\t};\n|;
|
|
}
|
|
if (-r "spcl.options") {
|
|
print BOOT "\t# These options came from the file spcl.options\n";
|
|
#
|
|
# Copy the options in since "include" can't be used
|
|
# within a statement.
|
|
#
|
|
open(OPTIONS, "<spcl.options") || die "Can't open spcl.options\n";
|
|
while(<OPTIONS>)
|
|
{
|
|
print BOOT;
|
|
}
|
|
close(OPTIONS);
|
|
}
|
|
print BOOT qq|};\n\n|;
|
|
foreach $line (@bootmsgs_v8) {
|
|
print BOOT $line;
|
|
}
|
|
unless (@forwarders) {
|
|
print BOOT qq|zone "." in {\n\ttype hint;\n\tfile "db.cache";\n};\n\n|;
|
|
}
|
|
if (-r "spcl.boot") {
|
|
print BOOT qq|include "spcl.boot";\n\n|;
|
|
}
|
|
}
|
|
|
|
# Go ahead and start creating files and making SOA's
|
|
foreach $i (@makesoa) {
|
|
($x1, $x2) = split(' ', $i);
|
|
&MAKE_SOA($x1, $x2);
|
|
}
|
|
printf DOMAIN "%-20s IN A 127.0.0.1\n", "localhost";
|
|
|
|
$file = "DB.127.0.0.1";
|
|
&MAKE_SOA($DBDir."db.127.0.0", $file);
|
|
my $nothing;
|
|
open($nothing,">>",$DBDir."db.cache");
|
|
close($nothing);
|
|
printf $file "%-30s\tIN PTR localhost.\n", &REVERSE("127.0.0.1");
|
|
close($file);
|
|
}
|
|
|
|
|
|
sub PARSEARGS {
|
|
local(@args) = @_;
|
|
local($i, $net, $subnetmask, $option, $tmp1);
|
|
local(*F, $file, @newargs, @targs);
|
|
local($sec,$min,$hour,$mday,$mon,$year,$rest);
|
|
($sec,$min,$hour,$mday,$mon,$year,$rest) = localtime(time);
|
|
$DateSerial = ($mday * 100) +
|
|
(($mon + 1) * 10000) +
|
|
(($year + 1900) * 1000000);
|
|
|
|
$i = 0;
|
|
while ($i <= $#args){
|
|
$option = $args[$i];
|
|
if($option eq "-d"){
|
|
if ($Domain ne "") {
|
|
syslog "local1|err","Only one -d option allowed.\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
$Domain = $args[++$i];
|
|
$Domainpattern = "." . $Domain;
|
|
$Domainpattern =~ s/\./\\./g; # for stripping off domain
|
|
|
|
# Add entry to the boot file.
|
|
$Domainfile = $Domain;
|
|
$Domainfile =~ s/\..*//;
|
|
push(@makesoa, $DBDir."db.$Domainfile DOMAIN");
|
|
push(@bootmsgs_v4, "primary\t$Domain db.$Domainfile\n");
|
|
push(@bootmsgs_v8,
|
|
qq|zone "$Domain" in {\n\ttype master;\n\tfile "db.$Domainfile";\n};\n\n|);
|
|
|
|
} elsif ($option eq "-f"){
|
|
$file = $args[++$i];
|
|
open(F, $file) || die "Unable to open args file $file: $!";
|
|
while (<F>) {
|
|
next if (/^#/);
|
|
next if (/^$/);
|
|
chop;
|
|
@targs = split(' ');
|
|
push(@newargs, @targs);
|
|
}
|
|
close(F);
|
|
&PARSEARGS(@newargs);
|
|
|
|
} elsif ($option eq "-z"){
|
|
$Bootsecsaveaddr = $args[++$i];
|
|
if (!defined($Bootsecaddr)) {
|
|
$Bootsecaddr = $Bootsecsaveaddr;
|
|
}
|
|
|
|
} elsif ($option eq "-Z"){
|
|
$Bootsecaddr = $args[++$i];
|
|
if (!defined($Bootsecsaveaddr)) {
|
|
$Bootsecsaveaddr = $Bootsecaddr;
|
|
}
|
|
|
|
} elsif ($option eq "-b"){
|
|
$Bootfile = $args[++$i];
|
|
|
|
} elsif ($option eq "-A"){
|
|
$doaliases = 0;
|
|
|
|
} elsif ($option eq "-M"){
|
|
$domx = 0;
|
|
|
|
} elsif ($option eq "-w"){
|
|
$dowks = 1;
|
|
|
|
} elsif ($option eq "-D"){
|
|
$dontdodomains = 1;
|
|
|
|
} elsif ($option eq "-t"){
|
|
$dotxt = 1;
|
|
|
|
} elsif ($option eq "-u"){
|
|
$User = $args[++$i];
|
|
|
|
} elsif ($option eq "-s"){
|
|
while ($args[++$i] !~ /^-/ && $i <= $#args) {
|
|
push(@Servers, $args[$i]);
|
|
}
|
|
$i--;
|
|
|
|
} elsif ($option eq "-m"){
|
|
if ($args[++$i] !~ /:/) {
|
|
syslog "local1|err","Improper format for -m option ignored ($args[$i]).\n";
|
|
}
|
|
push(@Mx, $args[$i]);
|
|
|
|
} elsif ($option eq "-c"){
|
|
$tmp1 = $args[++$i];
|
|
if ($tmp1 !~ /\./) {
|
|
$tmp1 .= ".$Domain";
|
|
}
|
|
if ($Domain eq $tmp1) {
|
|
syslog "local1|err","Domain for -c option must not match domain for -d option.\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
$tmp2 = $tmp1;
|
|
$tmp2 =~ s/\./\\./g;
|
|
$cpatrel{$tmp2} = $tmp1;
|
|
push(@cpats, $tmp2);
|
|
|
|
} elsif ($option eq "-e"){
|
|
$tmp1 = $args[++$i];
|
|
if ($tmp1 !~ /\./) {
|
|
$tmp1 .= ".$Domain";
|
|
}
|
|
$tmp1 =~ s/\./\\./g;
|
|
push(@elimpats, $tmp1);
|
|
|
|
} elsif ($option eq "-h"){
|
|
$Host = $args[++$i];
|
|
|
|
} elsif ($option eq "-o"){
|
|
if ( $args[++$i] !~ /^[:\d]*$/
|
|
|| split(':', $args[$i]) != 4) {
|
|
syslog "local1|err","Improper format for -o ($args[$i]).\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
($DefRefresh, $DefRetry, $DefExpire, $DefTtl) = split(':', $args[$i]);
|
|
$UseDefSOAValues = 1;
|
|
|
|
} elsif ($option eq "-i"){
|
|
$ForceSerial = $args[++$i];
|
|
|
|
} elsif ($option eq "-H"){
|
|
$Hostfile = $args[++$i];
|
|
if (! -r $Hostfile || -z $Hostfile) {
|
|
syslog "local1|err","Invalid file specified for -H ($Hostfile).\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
|
|
} elsif ($option eq "-C"){
|
|
$Commentfile = $args[++$i];
|
|
if (! -r $Commentfile || -z $Commentfile) {
|
|
syslog "local1|err","Invalid file specified for -C ($Commentfile).\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
|
|
} elsif ($option eq "-N"){
|
|
$Defsubnetmask = $args[++$i];
|
|
if ( $Defsubnetmask !~ /^[.\d]*$/
|
|
|| split('\.', $Defsubnetmask) != 4) {
|
|
syslog "local1|err","Improper subnet mask ($Defsubnetmask).\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
if ($#Networks >= 0) {
|
|
syslog "local1|err","Hmm, -N option should probably be specified before any -n options.\n";
|
|
}
|
|
|
|
} elsif ($option eq "-n"){
|
|
(my $tnet, $subnetmask) = split(':',$args[++$i]);
|
|
$net = "";
|
|
my @netm = split(/\./,$subnetmask);
|
|
my @tnets = split(/\./,$tnet);
|
|
foreach (0..3) {
|
|
my $res = ($tnets[$_]+0) & ($netm[$_]+0);
|
|
if ($netm[$_]) {
|
|
$net.= $res.'.';
|
|
}
|
|
}
|
|
$net =~ s/\.$//;
|
|
|
|
if ($subnetmask eq "") {
|
|
foreach $tmp1 (&SUBNETS($net, $Defsubnetmask)) {
|
|
&BUILDNET($tmp1);
|
|
}
|
|
} else {
|
|
if ( $subnetmask !~ /^[.\d]*$/
|
|
|| split('\.', $subnetmask) != 4) {
|
|
syslog "local1|err","Improper subnet mask ($subnetmask).\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
foreach $tmp1 (&SUBNETS($net, $subnetmask)) {
|
|
&BUILDNET($tmp1);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
if($option =~ /^-.*/){
|
|
syslog "local1|err","Unknown option: $option ... ignored.\n";
|
|
}
|
|
}
|
|
$i++;
|
|
}
|
|
|
|
if (!defined(@Networks) || $Domain eq "") {
|
|
syslog "local1|err","Must specify one -d and at least one -n.\n";
|
|
syslog "local1|err","I give up ... sorry.\n";
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
sub BUILDNET {
|
|
local($net) = @_;
|
|
|
|
push(@Networks, $net);
|
|
#
|
|
# Create pattern to match against.
|
|
# The dots must be changed to \. so they
|
|
# aren't used as wildcards.
|
|
#
|
|
$netpat = $net;
|
|
$netpat =~ s/\./\\./g;
|
|
push(@Netpatterns, $netpat);
|
|
|
|
#
|
|
# Create db files for PTR records.
|
|
# Save the file names in an array for future use.
|
|
#
|
|
$netfile = "DB.$net";
|
|
$Netfiles{$netpat} = $netfile;
|
|
push(@makesoa, $DBDir."db.$net $netfile");
|
|
|
|
# Add entry to the boot file.
|
|
$revaddr = &REVERSE($net);
|
|
chop($revaddr); # remove trailing dot
|
|
push(@bootmsgs_v4, "primary $revaddr db.$net\n");
|
|
push(@bootmsgs_v8,
|
|
qq|zone "$revaddr" in {\n\ttype master;\n\tfile "db.$net";\n};\n\n|);
|
|
}
|
|
|
|
|
|
#
|
|
# Calculate all the subnets from a network number and mask.
|
|
# This was originally written for awk, not perl.
|
|
#
|
|
sub SUBNETS {
|
|
local($network, $mask) = @_;
|
|
local(@ans, @net, @mask, $buf, $number, $i, $j, $howmany);
|
|
|
|
@net = split(/\./, $network);
|
|
@mask = split(/\./, $mask);
|
|
$number = '';
|
|
#
|
|
# Only expand bytes 1, 2, or 3
|
|
# for DNS purposes
|
|
#
|
|
for ($i = 0; $i < 4; $i++) {
|
|
if ($mask[$i] == 255) {
|
|
$number = $number . $net[$i] . '.';
|
|
} elsif (($mask[$i] == 0) || $mask[$i] eq '') {
|
|
push(@ans, $network);
|
|
last;
|
|
} else {
|
|
#
|
|
# This should be done as a bit-wise or
|
|
# but awk does not have an or symbol
|
|
#
|
|
$howmany = 255 - $mask[$i];
|
|
for ($j = 0; $j <= $howmany; $j++) {
|
|
if ($net[$i] + $j <= 255) {
|
|
$buf = sprintf("%s%d", $number, $net[$i] + $j);
|
|
push(@ans, $buf);
|
|
}
|
|
}
|
|
last;
|
|
}
|
|
}
|
|
|
|
if ($#ans == -1) {
|
|
push(@ans, $network);
|
|
}
|
|
|
|
@ans;
|
|
}
|
|
|
|
|
|
sub GEN_BOOT {
|
|
local(*F, $revaddr, $n);
|
|
|
|
if (0) { #! -e "boot.cacheonly") { DISABLE THIS PART
|
|
#
|
|
# Create a boot file for a cache-only server
|
|
#
|
|
open(F, ">boot.cacheonly") || die "Unable to open boot.cacheonly: $!";
|
|
if($Version == 4) {
|
|
print F "directory\t$DBDir\n";
|
|
print F "primary\t\t0.0.127.IN-ADDR.ARPA db.127.0.0\n";
|
|
print F "cache\t\t. db.cache\n";
|
|
if (-r "spcl.cacheonly") {
|
|
printf F "include\t\tspcl.cacheonly\n";
|
|
}
|
|
close(F);
|
|
} else {
|
|
print F qq|\noptions {\n\tdirectory "$DBDir";\n|;
|
|
if (@forwarders) {
|
|
print F qq|\tforwarders {\n|;
|
|
foreach (@forwarders) {
|
|
print F qq|\t\t$_;\n|;
|
|
}
|
|
print F qq|\t};\n|;
|
|
}
|
|
if (-r "spcl.options") {
|
|
print F "\t# These options came from the file spcl.options\n";
|
|
#
|
|
# Copy the options in since "include" can't be used
|
|
# within a statement.
|
|
#
|
|
open(OPTIONS, "<spcl.options") || die "Can't open spcl.options\n";
|
|
while(<OPTIONS>)
|
|
{
|
|
print F;
|
|
}
|
|
close(OPTIONS);
|
|
}
|
|
print F qq|};\n\n|;
|
|
print F qq|zone "0.0.127.IN-ADDR.ARPA" in {\n\ttype master;|;
|
|
print F qq|\n\tfile "db.127.0.0";|;
|
|
print F qq|\n\tnotify no;\n};\n\n|;
|
|
#print F qq|zone "." in {\n\ttype hint;\n\tfile "db.cache";\n};\n\n|;
|
|
if (-r "spcl.cacheonly") {
|
|
print F qq|include "spcl.cacheonly";\n\n|;
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# Create a 2 boot files for a secondary (slave) servers.
|
|
# One boot file doesn't save the zone data in a file. The
|
|
# other boot file does save the zone data in a file.
|
|
#
|
|
if (defined($Bootsecaddr)) {
|
|
open(F, ">boot.sec") || die "Unable to open boot.sec: $!";
|
|
if($Version == 4) {
|
|
print F "directory\t$DBDir\n";
|
|
print F "primary\t\t0.0.127.IN-ADDR.ARPA db.127.0.0\n";
|
|
printf F "secondary\t%-23s $Bootsecaddr\n", $Domain;
|
|
foreach $n (@Networks) {
|
|
$revaddr = &REVERSE($n);
|
|
chop($revaddr);
|
|
printf F "secondary\t%-23s $Bootsecaddr\n", $revaddr;
|
|
}
|
|
print F "cache\t\t. db.cache\n";
|
|
if (-r "spcl.boot") {
|
|
printf F "include\t\tspcl.boot\n";
|
|
}
|
|
} else {
|
|
print F qq|\noptions {\n\tdirectory "$DBDir";\n|;
|
|
if (-r "spcl.options") {
|
|
print F "\t# These options came from the file spcl.options\n";
|
|
#
|
|
# Copy the options in since "include" can't be used
|
|
# within a statement.
|
|
#
|
|
open(OPTIONS, "<spcl.options") || die "Can't open spcl.options\n";
|
|
while(<OPTIONS>)
|
|
{
|
|
print F;
|
|
}
|
|
close(OPTIONS);
|
|
}
|
|
print F qq|};\n\n|;
|
|
print F qq|zone "0.0.127.IN-ADDR.ARPA" in {\n\ttype master;|;
|
|
print F qq|\n\tfile "db.127.0.0";|;
|
|
print F qq|\n\tnotify no;\n};\n\n|;
|
|
print F qq|zone "$Domain" in {\n\ttype slave;\n\tmasters {|;
|
|
print F qq| $Bootsecaddr; };\n};\n\n|;
|
|
|
|
foreach $n (@Networks) {
|
|
$revaddr = &REVERSE($n);
|
|
chop($revaddr);
|
|
print F qq|zone "$revaddr" in {\n\ttype slave;\n\tmasters {|;
|
|
print F qq| $Bootsecaddr; };\n};\n\n|;
|
|
}
|
|
#print F qq|zone "." in {\n\ttype hint;\n\tfile "db.cache";\n};\n\n|;
|
|
if (-r "spcl.boot") {
|
|
print F qq|include "spcl.boot";\n\n|;
|
|
}
|
|
}
|
|
close(F);
|
|
|
|
open(F, ">boot.sec.save") || die "Unable to open boot.sec.save: $!";
|
|
if($Version == 4) {
|
|
print F "directory\t$DBDir\n";
|
|
print F "primary\t\t0.0.127.IN-ADDR.ARPA db.127.0.0\n";
|
|
printf F "secondary\t%-23s $Bootsecsaveaddr db.%s\n",
|
|
$Domain, $Domainfile;
|
|
foreach $n (@Networks) {
|
|
$revaddr = &REVERSE($n);
|
|
chop($revaddr);
|
|
printf F "secondary\t%-23s $Bootsecsaveaddr db.%s\n",
|
|
$revaddr, $n;
|
|
}
|
|
print F "cache\t\t. db.cache\n";
|
|
if (-r "spcl.boot") {
|
|
printf F "include\t\tspcl.boot\n";
|
|
}
|
|
} else {
|
|
print F
|
|
qq|\noptions {\n\tdirectory "$DBDir";\n|;
|
|
if (-r "spcl.options") {
|
|
print F "\t# These options came from the file spcl.options\n";
|
|
#
|
|
# Copy the options in since "include" can't be used
|
|
# within a statement.
|
|
#
|
|
open(OPTIONS, "<spcl.options") || die "Can't open spcl.options\n";
|
|
while(<OPTIONS>)
|
|
{
|
|
print F;
|
|
}
|
|
close(OPTIONS);
|
|
}
|
|
print F qq|};\n\n|;
|
|
print F qq|zone "0.0.127.IN-ADDR.ARPA" in {\n\ttype master;|;
|
|
print F qq|\n\tfile "db.127.0.0";|;
|
|
print F qq|\n\tnotify no;\n};\n\n|;
|
|
|
|
print F qq|zone "$Domain" in {\n\ttype slave;\n\tfile "db.$Domainfile";|;
|
|
print F qq|\n\tmasters { $Bootsecsaveaddr; };\n};\n\n|;
|
|
|
|
foreach $n (@Networks) {
|
|
$revaddr = &REVERSE($n);
|
|
chop($revaddr);
|
|
print F
|
|
qq|zone "$revaddr" in {\n\ttype slave;\n\tfile "db.$n";\n\tmasters {|;
|
|
print F qq| $Bootsecsaveaddr; };\n};\n\n|;
|
|
}
|
|
|
|
#print F qq|zone "." in {\n\ttype hint;\n\tfile "db.cache";\n};\n\n|;
|
|
if (-r "spcl.boot") {
|
|
print F qq|include "spcl.boot";\n\n|;
|
|
}
|
|
}
|
|
close(F);
|
|
}
|
|
}
|
|
|
|
1;
|