-#!/usr/bin/perl
+#!/usr/bin/perl -w
-$base= "/var/named";
-$conf= "$base/conf";
-$etcfile= "/etc/named/zones-rgc";
+use strict;
+use IO::File;
+use Data::Dumper;
-$check= 1;
-$progress= 1;
+use vars qw($quis $mode
+ $etcfile $where
+ $debug $needglue $localonly $verbosity);
-while ($ARGV[0] =~ m/^\-/) {
+$quis= $0; $quis =~ s,.*/,,;
+
+$mode= '';
+$etcfile= "/etc/bind/chiark-conf-gen.zones";
+$where= '<built-in>';
+$debug= 0;
+$needglue= 2;
+$localonly= 0;
+$verbosity= 1;
+
+use vars qw($dig_owner $dig_type $dig_rdata);
+
+while (@ARGV && $ARGV[0] =~ m/^\-/) {
$_= shift @ARGV;
- last if m/^\-\-?$/;
- while (m/^\-./) {
- if (s/^\-f/-/) { $usage=0; $check=0; $install++; }
- elsif (s/^\-y/-/) { $usage=0; $check=1; $install++; }
- elsif (s/^\-n/-/) { $usage=0; $check=1; $install=0; }
- elsif (s/^\-h/-/) { $hostdelg=1; $hostzone=0; }
- elsif (s/^\-z/-/) { $hostdelg=1; $hostzone=1; }
- elsif (s/^\-q/-/) { $progress=0; }
- else { $usage=1; break; }
+ if (s/^\-\-//) {
+ last if m/^$/;
+ if (m/^(yes|no|force)$/) { m/^./; $mode= $&; }
+ elsif (m/^config$/) { $etcfile= loarg(); $where= '--config option'; }
+ elsif (m/^glueless$/) { $needglue--; }
+ elsif (m/^localonly$/) { $localonly=1; }
+ elsif (m/^quiet$/) { $verbosity=0; }
+ elsif (m/^verbose$/) { $verbosity=2; }
+ else { usageerr("unknown option --$_"); }
+ } else {
+ s/^\-//;
+ last if m/^$/;
+ while (m/^./) {
+ if (s/^[ynf]//) { $mode=$&; }
+ elsif (s/^C//) { $etcfile= soarg(); $where= '-C option'; }
+ elsif (s/^D//) { $debug++; }
+ elsif (s/^g//) { $needglue--; }
+ elsif (s/^l//) { $localonly=1; }
+ elsif (s/^q//) { $verbosity=0; }
+ elsif (s/^v//) { $verbosity=2; }
+ else { usageerr("unknown option -$&"); }
+ }
}
}
-die
-"usage: named-conf-regen -f|-y|-n [-h|-z]\n".
+sub loarg() { usageerr("missing option value") if !@ARGV; return shift @ARGV; }
+sub soarg() { my ($rv); $rv=$_; $_=''; return length $rv ? $rv : loarg(); }
+
+usageerr("-g may be specified at most twice") if $needglue<0;
+usageerr("-D may be specified at most twice") if $debug>2;
+usageerr("must specify either -f|-y|-n or zones (and not both)")
+ if !!$mode == !!@ARGV;
+
+sub usageerr ($) {
+ die
+"$_[0]
+usage: named-conf-regen [-rvq] -f|-y|-n|<zone>...\n".
"operation modes:\n".
-" -f install without checking -ff and then ndc reload\n".
-" -y check and install -yy and then ndc reload\n".
-" -n check only\n".
+" -f --force install without checking\n".
+" -y --yes check and install\n".
+" -n --no check only\n".
"additional options:\n".
-" -h check output from host -C\n".
-" -z check output from host -C and host -val\n".
- if $usage;
-
-beginfile('secondary.zones');
-open E, "< $etcfile" or die "$0: open $etcfile: $!\n";
-for (;;) {
- $!=0; defined $_=<E> or die "$0: read $etcfile $!\n";
- s/^\s+//; chomp; s/\s+$//;
- next if m/^\#/;
- last if m/^end$/;
- if (m/^myname\s+(\S.*\S)/) {
- @mynames= split /\s+/, $1;
- } elsif (m/^(secondary|backup|unoff)\s+(\S+)\s+([0-9. \t]+)$/) {
- $style= $1;
- $zone= $2;
- @servers= split /\s+/, $3;
- $file= "slave/$zone";
- progress();
- check();
- } else {
- die "$0: $etcfile:$.: syntax error in \`$_'\n";
+" -q --quiet no output for OK zones\n".
+" -v --verbose extra verbose\n";
+}
+
+cfg_fail("config filename $etcfile should have been absolute path of a file")
+ unless $etcfile =~ m,^/, && $etcfile !~ m,/$,;
+
+use vars qw($default_dir);
+$default_dir= $etcfile;
+$default_dir =~ s,/[^/]+$,,;
+
+use vars qw($slave_dir $slave_prefix $slave_suffix);
+$slave_dir= 'slave';
+$slave_prefix= '';
+$slave_suffix= '';
+
+use vars qw(@self_ns @self_soa);
+@self_ns= @self_soa= ();
+
+use vars qw(%zone_cfg @zone_cfg_list);
+%zone_cfg= ();
+@zone_cfg_list= ();
+
+use vars qw($output $default_output %output_contents);
+$output= '';
+$default_output= '';
+%output_contents= ();
+
+use vars qw($check $install);
+$check= $mode !~ m/^f/;
+$install= $mode =~ m/^[yf]/;
+
+read_config($etcfile);
+debug_dump('@zone_cfg_list %zone_cfg');
+process_zones($mode ? @zone_cfg_list : @ARGV);
+debug_dump('%output_contents');
+
+exit 0;
+
+#-------------------- configuration reading
+
+sub cfg_fail ($) { die "$quis: $where:\n $_[0]\n"; }
+
+sub read_config ($) {
+ my ($if) = @_;
+ my ($fh,$z,@self, $dir,$prefix,$suffix,$lprefix,$lsuffix);
+ local ($_);
+
+ $fh= new IO::File $if,'r' or cfg_fail("open $if:\n $!");
+ for (;;) {
+ if (!defined($_= <$fh>)) {
+ cfg_fail("read config file $if:\n $!") if $fh->error();
+ last;
+ }
+ $where= "$if:$.";
+ s/^\s+//; chomp; s/\s+$//;
+ next if m/^\#/;
+ last if m/^end$/;
+ next unless m/\S/;
+ if (m/^self(\-ns|\-soa|)\s+(\S.*\S)/) {
+ @self= split /\s+/, $2;
+ @self_ns= @self if $1 ne '-soa';
+ @self_soa= @self if $1 ne '-ns';
+ } elsif (m/^primary\-dir\s+(\S+)((?:\s+(\S+))?:\s+(\S+))?$/) {
+ ($dir, $prefix, $suffix) = (qualify($1),$2,$3);
+ $suffix= '_db' if !defined $suffix;
+ $prefix= '' if !defined $prefix;
+ opendir D, $dir or cfg_fail("open primary-dir $dir:\n $!");
+ $lprefix= length $prefix; $lsuffix= length $suffix;
+ while (defined($_= readdir D)) {
+ next if m/^\./ && !$lprefix;
+ next unless length > $lprefix+$lsuffix;
+ next unless substr($_,0,$lprefix) eq $prefix;
+ next unless substr($_,length($_)-$lsuffix) eq $suffix;
+ $z= substr($_,$lprefix,length($_)-($lprefix+$lsuffix));
+ zone_conf($z,'primary',"$dir/$_");
+ }
+ closedir D or cfg_fail("close primary-dir $dir:\n $!");
+ } elsif (m/^primary\s+(\S+)\s+(\S+)$/) {
+ zone_conf($1,'primary',qualify($2));
+ } elsif (m/^secondary\s+(\S+)\s+([0-9.\t]+)$/) {
+ zone_conf($1,'secondary','',$2);
+ } elsif (m/^stealth\s+(\S+)\s+([0-9. \t]+)$/) {
+ zone_conf($1,'stealth','',split /\s+/, $2);
+ } elsif (m/^slave\-dir\s+(\S+)((?:\s+(\S+))?:\s+(\S+))?$/) {
+ ($slave_dir, $slave_prefix, $slave_suffix) = (qualify($1),$2,$3);
+ } elsif (m/^output\s+bind8\+(\S+)$/) {
+ cfg_fail("default output may not apply to only some zones")
+ if @zone_cfg_list && length $default_output;
+ set_output(qualify($1));
+ } elsif (m/^include\s+(\S+)$/) {
+ read_config($1);
+ } else {
+ cfg_fail("unknown configuration directive".
+ " or incorrect syntax or arguments");
+ }
}
+ $fh->close or cfg_fail("close config file $if:\n $!");
}
-sub lookup ($$) {
- my ($type,$domain) = @_;
- my ($c,@result);
- defined($c=open ADH, "-|") or die "$0: fork adnshost: $!\n";
+sub qualify ($) {
+ my ($i) = @_;
+ $i= "$default_dir/$i" unless $i =~ m,^/,;
+ return $i;
+}
+
+sub zone_conf ($$@) {
+ my ($zone,$style,$file,@servers) = @_;
+ $file= qualify("$slave_dir/$slave_prefix".$zone.$slave_suffix)
+ unless length $file;
+ if (!length $output) {
+ $default_output= qualify('chiark-conf-gen.bind8')
+ unless length $default_output;
+ set_output($default_output);
+ }
+ cfg_fail("redefined zone $zone") if exists $zone_cfg{$zone};
+ $zone_cfg{$zone}{'file'}= $file;
+ $zone_cfg{$zone}{'style'}= $style;
+ $zone_cfg{$zone}{'servers'}= [ @servers ];
+ $zone_cfg{$zone}{'self_soa'}= [ @self_soa ];
+ $zone_cfg{$zone}{'self_ns'}= [ @self_ns ];
+ $zone_cfg{$zone}{'output'}= $output;
+ push @zone_cfg_list, $zone;
+}
+
+sub set_output($) {
+ my ($newout) = @_;
+ $output= $newout;
+ $output_contents{$output}= '';
+}
+
+
+#-------------------- checking
+
+use vars qw($zone $cfg $warnings);
+$warnings= 0;
+
+sub progress ($) {
+ return if !$verbosity;
+ print "$_[0]\n";
+}
+
+sub verbose ($) {
+ return if $verbosity<2;
+ print " $_[0]\n";
+}
+
+sub process_zones (@) {
+ my (@zones) = @_;
+ local ($zone,$cfg);
+
+ foreach $zone (@zones) {
+ $cfg= $zone_cfg{$zone} || {
+ 'style' => 'foreign',
+ 'servers' => [ ],
+ };
+ progress(sprintf "%-40s %s", $zone, $$cfg{'style'});
+ if ($check) {
+ eval {
+ if ($localonly && $cfg->{'style'} eq 'foreign') {
+ zone_warning("foreign zone specified with -l");
+ } elsif ($localonly && $cfg->{'style'} ne 'primary') {
+ zone_check_local();
+ } else {
+ zone_check_full();
+ }
+ };
+ zone_warning("checks failed: $@") if length $@;
+ }
+ zone_output() if $install;
+ }
+ print STDERR "$quis: $warnings warnings\n" or die $!
+ if $warnings;
+}
+
+sub zone_warning ($) {
+ my ($w) = @_;
+ $w =~ s/\n$//;
+ $w =~ s,\n, // ,g;
+ print STDERR "$zone: warning: $w\n" or die $!;
+ $warnings++;
+}
+
+sub zone_warnmore ($) {
+ print STDERR " $_[0]\n" or die $!;
+}
+
+use vars qw(%delgs); # $delgs{$nameserver_list} = [ $whosaidandwhy ]
+use vars qw(%auths); # $auths{$nameserver_list} = [ $whosaidandwhy ]
+use vars qw(%glue); # $glue{$name}{$addr_list} = [ $whosaidandwhy ]
+use vars qw(%soas); # $soa{"$origin $serial"} = [ $whosaidandwhy ]
+use vars qw(%addr_is_ok %gluelesswarned);
+use vars qw(@to_check); # ($addr,$whyask,$is_auth,$glueless_ok, ...)
+use vars qw(@to_check_soa); # ($addr,$whyask, ...)
+
+sub zone_check_full () {
+ zone_reset();
+ zone_investigate();
+ zone_consistency();
+ zone_servers_ok();
+}
+
+sub zone_reset() {
+ %delgs= %auths= %glue= %soas= %gluelesswarned= %addr_is_ok= ();
+ @to_check= @to_check_soa= ();
+}
+
+sub zone_investigate() {
+ my ($super_zone, @super_nsnames,
+ $super_ns, @super_ns_addrs, $s, $wa, $is_auth,
+ %nsrrset_checked, %soa_checked, $addr, $glueless_ok, $rcode);
+
+ $super_zone= $zone;
+ for (;;) {
+ debug_trace("zone $zone superzone $super_zone");
+ $super_zone =~ s/^[^.]+\.// or die "no superzone ? ($super_zone)\n";
+ ($rcode,@super_nsnames)= lookup($super_zone,'ns-','06');
+ last if !$rcode;
+ }
+ for $super_ns (@super_nsnames) {
+ $super_ns= lc $super_ns;
+ ($rcode,@super_ns_addrs)= lookup($super_ns,'a','0');
+ foreach $addr (@super_ns_addrs) {
+ push @to_check,
+ $addr,
+ "$super_ns, server for $super_zone",
+ 0, 0;
+ }
+ }
+ for (;;) {
+ # We do these in order so that we always do NS RRset checks on
+ # nameservers that came from other NS RRsets first; otherwise
+ # we might set nsrrset_checked due to a glueless_ok check,
+ # and then not check for gluefulness later.
+ debug_dump('@to_check @to_check_soa');
+ if (($addr,$wa,$is_auth,$glueless_ok,@to_check) = @to_check) {
+ push @to_check_soa, $addr, $wa if $is_auth;
+ next if $nsrrset_checked{$addr}++;
+ zone_check_nsrrset($addr, "[$addr] $wa",
+ $is_auth, $glueless_ok);
+ } elsif (($addr,$wa,@to_check_soa) = @to_check_soa) {
+ next if $soa_checked{$addr}++;
+ zone_check_soa($addr,"[$addr] $wa");
+ } else {
+ last;
+ }
+ }
+}
+
+sub zone_check_nsrrset ($$$$) {
+ my ($uaddr,$ww, $is_auth, $glueless_ok) = @_;
+ my (@s, $s, %s2g, @glue, $glue, $delgs_or_auths);
+ verbose("checking delegation by $ww");
+ dig(sub {
+ if ($dig_type eq 'ns' && $dig_owner eq $zone) {
+ $s2g{lc $dig_rdata} = [ ];
+ } elsif ($dig_type eq 'a' && exists $s2g{$dig_owner}) {
+ push @to_check,
+ $dig_rdata,
+ "$dig_owner, in glue from $ww",
+ 1, 0;
+ $addr_is_ok{$dig_rdata}= "$dig_owner (NS [$uaddr])"
+ if $cfg->{'style'} eq 'stealth';
+ push @{ $s2g{$dig_owner} }, $dig_rdata;
+ }
+ },
+ $zone,'ns',$uaddr);
+ if (!%s2g) { zone_warning("unable to find NS RRset at $ww"); return; }
+ elsif (keys %s2g == 1) { zone_warning("only one nameserver at $ww"); }
+ @s= sort keys %s2g;
+ foreach $s (@s) {
+ @glue= @{ $s2g{$s} };
+ if (!@glue) {
+ zone_warning("glueless NS $s,".
+ ($needglue<=1 ? " (eg)" : "").
+ " from $ww")
+ unless $glueless_ok || !$needglue ||
+ ($needglue<=1 && $gluelesswarned{$s}++);
+ next;
+ }
+ $glue= join ' ', sort @glue;
+ push @{ $glue{$s}{$glue} }, $ww;
+ }
+ $s= join ' ', @s;
+ $delgs_or_auths= $is_auth ? \%auths : \%delgs;
+ push @{ $delgs_or_auths->{$s} }, $ww;
+}
+
+sub zone_check_soa ($$) {
+ my ($uaddr,$ww) = @_;
+ my ($lame,$origin,$got,$rcode,@soa_addrs,$soa_addr);
+ verbose("checking service at $ww");
+ $lame= 'dead or lame';
+ dig(sub {
+ if ($dig_type eq 'flags:') {
+ $lame= $dig_rdata =~ m/ aa / ? '' : 'lame';
+ } elsif ($dig_type eq 'soa' && $dig_owner eq $zone && !$lame) {
+ die "several SOAs ? $ww" if defined $origin;
+ $got= $dig_rdata;
+ $got =~ m/^(\S+) \d+/ or die "$got ?";
+ $origin= $1;
+ }
+ },
+ $zone,'soa',$uaddr);
+ $lame= 'broken' if !$lame && !defined $origin;
+ if ($lame) { zone_warning("$lame server $ww"); return; }
+ push @{ $soas{$got} }, $ww;
+ ($rcode,@soa_addrs)= lookup($origin,'a','0');
+ foreach $soa_addr (@soa_addrs) {
+ $addr_is_ok{$soa_addr}= "$origin (SOA [$uaddr])";
+ push @to_check,
+ $soa_addr,
+ "$origin, SOA ORIGIN from $ww";
+ }
+}
+
+sub zone_consistency() {
+ my ($d, $org_ser, $origin, $a, $h);
+ zone_consistency_set('delegations',\%delgs);
+ foreach $d (keys %delgs) { delete $auths{$d}; }
+ zone_consistency_set('zone nameserver rrset',\%auths);
+ foreach $h (keys %glue) {
+ zone_consistency_set("glue for $h", $glue{$h});
+ }
+ zone_consistency_set("SOA ORIGIN and SERIAL",\%soas);
+ if ($cfg->{'style'} eq 'primary') {
+ foreach $org_ser (keys %soas) {
+ $org_ser =~ m/^(\S+) \d+$/ or die "$org_ser ?";
+ $origin= $1;
+ next if grep { $_ eq $origin } @self_soa;
+ zone_warning("our name(s) @self_soa not in SOA ORIGIN $origin,".
+ " eg from ".((values %{ $soas{$org_ser} })[1]));
+ }
+ }
+}
+
+sub zone_servers_ok () {
+ my ($showok);
+ if (%addr_is_ok) {
+ $showok= 0;
+ foreach $a (@{ $cfg->{'servers'} }) {
+ next if exists $addr_is_ok{$a};
+ zone_warning("we slave from $a"); $showok=1;
+ }
+ if ($showok) {
+ foreach $a (keys %addr_is_ok) {
+ zone_warnmore("permitted master [$a] $addr_is_ok{$a}");
+ }
+ }
+ }
+}
+
+sub zone_consistency_set ($%) {
+ my ($msg,$set) = @_;
+ my ($d,$o);
+ if (keys(%$set) > 1) {
+ zone_warning("inconsistent $msg:");
+ foreach $d (keys %$set) {
+ foreach $o (@{ $set->{$d} }) { zone_warnmore(" $d from $o"); }
+ }
+ }
+}
+
+sub zone_check_local () {
+ zone_reset();
+ zone_servers_simplefind();
+ zone_servers_ok();
+}
+
+sub zone_servers_simplefind () {
+ my ($rcode,@nsnames,$ns,@soas,$origin);
+ if ($cfg->{'style'} eq 'stealth') {
+ ($rcode,@nsnames)= lookup($zone,'ns-','0');
+ foreach $ns (@nsnames) { zone_server_simple($ns,'NS'); }
+ }
+ ($rcode,@soas)= lookup($zone,'soa','0');
+ die "multiple SOA RRs in set! @soas ?" if @soas!=1;
+ $soas[0] =~ m/^(\S+)\s/ or die "SOA ? $_";
+ zone_server_simple(domain_canon($1),'SOA');
+}
+
+sub zone_server_simple ($$) {
+ my ($name,$why) = @_;
+ my ($rcode,@addrs,$addr);
+ ($rcode,@addrs)= lookup($name,'a','0');
+ foreach $addr (@addrs) { $addr_is_ok{$addr}= "$name ($why)"; }
+}
+
+#-------------------- outputting
+
+sub zone_output () {
+ $output_contents{$$cfg{'output'}}.=
+ sprintf(<<'END',
+zone "%s" {
+ type %s;
+ file "%s";
+};
+END
+ $zone,
+ $$cfg{'style'} eq 'primary' ? 'master' : 'slave',
+ $$cfg{'file'});
+}
+
+
+#-------------------- general utilities
+
+sub debug_dump ($) {
+ my ($vn);
+ return unless $debug>1;
+ local $Data::Dumper::Terse=1;
+ foreach $vn (split /\s+/, $_[0]) {
+ print "$vn := ", eval "Dumper(\\$vn)";
+ }
+}
+
+sub debug_trace ($) {
+ return unless $debug;
+ print "D $_[0]\n";
+}
+
+sub lookup ($$$) {
+ my ($domain,$type,$okrcodes) = @_;
+ my ($c,$h,@result);
+ debug_trace("lookup ==> (->$okrcodes) $domain $type");
+ $h= new IO::Handle;
+
+ defined($c= open $h, "-|") or die "$quis: fork adnshost:\n $!\n";
if (!$c) {
- exec 'adnshost','+Do','+Dt','+Dc','-Cf',"-t$type",
+ exec 'adnshost','-Fi','+Do','+Dt','+Dc','-Cf',"-t$type",
'-',"$domain.";
- die "$0: exec adnshost: $!\n";
+ die "$quis: exec adnshost:\n $!\n";
}
- @result= <ADH>;
+ @result= $h->getlines();
+ $h->error and die "$quis: read from adnshost:\n $!\n";
chomp @result;
- $!=0; close ADH;
- die "$0: lookup -t$type $domain failed $? $!\n" if $? or $!;
- return @result;
+ $!=0; $h->close;
+ die "$quis: lookup -t$type $domain $okrcodes failed $? $!\n"
+ if $! or $?>6 or index($okrcodes,$?)<0;
+ debug_trace("lookup <== $? @result");
+ return ($?,@result);
}
+
+sub dig (&$$$) {
+ my ($eachrr, $qowner,$qtype,$qaddr) = @_;
+ # also pseudo-rr with type `flags:'
+ my ($h,$inmid,$irdata,$c);
+ local ($_);
+
+ debug_trace("dig ==> \@$qaddr $qowner $qtype");
+
+ $h= new IO::Handle;
+ defined($c= open $h, "-|") or die "$quis: fork dig:\n $!\n";
+ if (!$c) {
+ open STDERR, ">&STDOUT" or die $!;
+ exec ('dig',
+ '+nodef','+nosea','+nodebug','+norecurse',
+ "\@$qaddr",'-t',$qtype,$qowner);
+ die "$quis: exec dig:\n $!\n";
+ }
+ $inmid='';
+ for (;;) {
+ if (!defined($_= $h->getline())) {
+ $h->error() and die "$quis: read from dig:\n $!\n";
+ last;
+ }
+ chomp;
+ if (length $inmid) {
+ s/^\s+/ / or die "$inmid // $_ ?";
+ s/\;.*$//;
+ $_= $inmid.$_;
+ $inmid='';
+ s/$/ \(/ unless s/\s*\)\s*$//;
+ }
+ if (s/\s*\(\s*$//) { $inmid= $_; next; }
+ if (m/^\;\; flags\:( [-0-9a-z ]+)\;/) {
+ $dig_owner=''; $dig_type='flags:'; $dig_rdata= "$1 ";
+ debug_trace("dig f: $dig_rdata");
+ &$eachrr;
+ } elsif (m/^\;/) {
+ } elsif (!m/\S/) {
+ } elsif (m/^([-.0-9a-z]+)\s+\d\w+\s+in\s+([a-z]+)\s+(\S.*)/i) {
+ $dig_owner=domain_canon($1); $dig_type=lc $2; $irdata=$3;
+ if ($dig_type eq 'a') {
+ $irdata =~ m/^[.0-9]+$/ or die "$irdata ?";
+ $dig_rdata= $&;
+ } elsif ($dig_type eq 'ns') {
+ $irdata =~ m/^[-.0-9a-z]+$/i or die "bad nameserver $irdata ?";
+ $dig_rdata= domain_canon($irdata);
+ } elsif ($dig_type eq 'soa') {
+ $irdata =~ m/^([-.0-9a-z]+)\s+.*\s+(\d+)(?:\s+\d\w+){4}$/i
+ or die "bad SOA $irdata ?";
+ $dig_rdata= domain_canon($1).' '.$2;
+ } else {
+ debug_trace("ignoring uknown RR type $dig_type");
+ next;
+ }
+ debug_trace("dig $dig_owner $dig_type $dig_rdata");
+ &$eachrr;
+ } else {
+ debug_trace("ignoring unknown dig output $_");
+ }
+ }
+ $h->close;
+ debug_trace("dig <== gave $?");
+}
+
+sub domain_canon ($) {
+ local ($_) = @_;
+ s/(.)\.$/$1/;
+ die "domain $_ ?" unless m/^[0-9a-z]/i;
+ return lc $_;
+}
+
+__DATA__
+
+
+
+
sub lookup1 ($$) {
my ($type,$domain) = @_;
my (@result)= lookup($type,$domain);
- @result==1 or die "$0: lookup -t$type $domain gave more than one RR\n";
+ @result==1 or die "$quis: lookup -t$type $domain gave more than one RR\n";
return $result[0];
}
for $super_ns (@super_ns) {
@deleg_ns= ();
open DIG, "dig @$super_ns. -t ns +norecurse $zone."
- or die "$0: fork for dig: $!\n";
+ or die "$quis: fork for dig:\n $!\n";
while (<DIG>) {
endfile
-chdir "$base/primary" or die "$0: chdir $base/primary: $!";
+chdir "$base/primary" or die "$quis: chdir $base/primary:\n $!";
beginfile('primary.zones');
for $f (<*_db>) {
for f in $zones
do
zone="`echo $f | sed -e 's/_db$//'`"
- cat <<END
-zone "$zone" {
- type master;
- file "primary/$f";
-};
END
done
endfile
sub beginfile ($) {
$currentfile= $_[0];
$currentfile_opened= $install ? "$conf/$currentfile.new" : "/dev/null";
- open CFF, "> $toopen" or die "$0: begin $currentfile_opened: $!\n";
+ open CFF, "> $toopen" or die "$quis: begin $currentfile_opened:\n $!\n";
}
endfile () {
- close CFF or die "$0: close $currentfile_opened: $!\n";
+ close CFF or die "$quis: close $currentfile_opened:\n $!\n";
push @files, $currentfile;
}
sub installfiles () {
return unless $install;
- chdir $conf or die "$0: chdir $conf: $!\n";
+ chdir $conf or die "$quis: chdir $conf:\n $!\n";
for $f (@files) {
- rename "$f.new", $f or die "$0: install new $f: $!\n";
+ rename "$f.new", $f or die "$quis: install new $f:\n $!\n";
}
}
~ian / chiark-utils.git / blobdiff