4 use Fcntl qw/O_RDONLY/;
9 $config_path = '/etc/debbugs';
10 $lib_path = '/usr/lib/debbugs';
11 require "$lib_path/errorlib";
13 use Debbugs::Versions;
15 $MLDBM::RemoveTaint = 1;
17 my $common_archive = 0;
18 my $common_repeatmerged = 1;
19 my %common_include = ();
20 my %common_exclude = ();
21 my $common_raw_sort = 0;
22 my $common_bug_reverse = 0;
24 my %common_reverse = (
29 'show_list_header' => 1,
30 'show_list_footer' => 1,
33 sub exact_field_match {
34 my ($field, $values, $status) = @_;
35 my @values = @$values;
36 my @ret = grep {$_ eq $status->{$field} } @values;
39 sub contains_field_match {
40 my ($field, $values, $status) = @_;
41 foreach my $data (@$values) {
42 return 1 if (index($status->{$field}, $data) > -1);
47 sub detect_user_agent {
48 my $userAgent = $ENV{HTTP_USER_AGENT};
49 return { 'name' => 'unknown' } unless defined $userAgent;
50 return { 'name' => 'links' } if ( $userAgent =~ m,^ELinks,);
51 return { 'name' => 'lynx' } if ( $userAgent =~ m,^Lynx,);
52 return { 'name' => 'wget' } if ( $userAgent =~ m,^Wget,);
53 return { 'name' => 'gecko' } if ( $userAgent =~ m,^Mozilla.* Gecko/,);
54 return { 'name' => 'ie' } if ( $userAgent =~ m,^.*MSIE.*,);
55 return { 'name' => 'unknown' };
59 'subject' => \&contains_field_match,
61 my ($field, $values, $status) = @_;
62 my %values = map {$_=>1} @$values;
63 foreach my $t (split /\s+/, $status->{$field}) {
64 return 1 if (defined $values{$t});
68 'severity' => \&exact_field_match,
69 'pending' => \&exact_field_match,
70 'originator' => \%contains_field_match,
71 'forwarded' => \%contains_field_match,
72 'owner' => \%contains_field_match,
74 my @common_grouping = ( 'severity', 'pending' );
75 my %common_grouping_order = (
76 'pending' => [ qw( pending forwarded pending-fixed fixed done absent ) ],
77 'severity' => \@debbugs::gSeverityList,
79 my %common_grouping_display = (
80 'pending' => 'Status',
81 'severity' => 'Severity',
83 my %common_headers = (
85 "pending" => "outstanding",
86 "pending-fixed" => "pending upload",
87 "fixed" => "fixed in NMU",
89 "forwarded" => "forwarded to upstream software authors",
90 "absent" => "not applicable to this version",
92 'severity' => \%debbugs::gSeverityDisplay,
101 sub array_option($) {
104 @vals = ( $val ) if (ref($val) eq "" && $val );
105 @vals = ( $$val ) if (ref($val) eq "SCALAR" && $$val );
106 @vals = @{$val} if (ref($val) eq "ARRAY" );
110 sub filter_include_exclude($\%) {
111 my ($val, $filter_map) = @_;
112 my @vals = array_option($val);
114 if (/^([^:]*):(.*)$/) { if ($1 eq 'subj') { ['subject', $2]; } else { [$1, $2] } } else { ['tags', $_] }
115 } split /[\s,]+/, join ',', @vals;
116 foreach my $data (@data) {
117 &quitcgi("Invalid filter key: '$data->[0]'") if (!exists($field_match{$data->[0]}));
118 push @{$filter_map->{$data->[0]}}, $data->[1];
122 sub filter_option($$\%) {
123 my ($key, $val, $filter_map) = @_;
124 my @vals = array_option($val);
125 foreach $val (@vals) {
126 push @{$filter_map->{$key}}, $val;
131 my ($opt, $val) = @_;
132 if ($opt =~ m/^show_list_(foot|head)er$/) { $common{$opt} = $val; }
133 if ($opt eq "archive") { $common_archive = $val; }
134 if ($opt eq "repeatmerged") { $common_repeatmerged = $val; }
135 if ($opt eq "exclude") {
136 filter_include_exclude($val, %common_exclude);
138 if ($opt eq "include") {
139 filter_include_exclude($val, %common_include);
141 if ($opt eq "raw") { $common_raw_sort = $val; }
142 if ($opt eq "bug-rev") { $common_bug_reverse = $val; }
143 if ($opt eq "pend-rev") { $common_reverse{pending} = $val; }
144 if ($opt eq "sev-rev") { $common_reverse{severity} = $val; }
145 if ($opt eq "pend-exc") {
146 filter_option('pending', $val, %common_exclude);
148 if ($opt eq "pend-inc") {
149 filter_option('pending', $val, %common_include);
151 if ($opt eq "sev-exc") {
152 filter_option('severity', $val, %common_exclude);
154 if ($opt eq "sev-inc") {
155 filter_option('severity', $val, %common_include);
157 if ($opt eq "version") { $common_version = $val; }
158 if ($opt eq "dist") { $common_dist = $val; }
159 if ($opt eq "arch") { $common_arch = $val; }
163 my ($in, $key, $val, %ret);
164 if (defined $ENV{"QUERY_STRING"} && $ENV{"QUERY_STRING"} ne "") {
165 $in=$ENV{QUERY_STRING};
166 } elsif(defined $ENV{"REQUEST_METHOD"}
167 && $ENV{"REQUEST_METHOD"} eq "POST")
169 read(STDIN,$in,$ENV{CONTENT_LENGTH});
173 foreach (split(/[&;]/,$in)) {
175 ($key, $val) = split(/=/,$_,2);
176 $key=~s/%(..)/pack("c",hex($1))/ge;
177 $val=~s/%(..)/pack("c",hex($1))/ge;
178 if ( exists $ret{$key} ) {
179 if ( !exists $ret{"&$key"} ) {
180 $ret{"&$key"} = [ $ret{$key} ];
182 push @{$ret{"&$key"}},$val;
186 $debug = 1 if (defined $ret{"debug"} && $ret{"debug"} eq "aj");
192 print "Content-Type: text/html\n\n";
193 print "<HTML><HEAD><TITLE>Error</TITLE></HEAD><BODY>\n";
194 print "An error occurred. Dammit.\n";
195 print "Error was: $msg.\n";
196 print "</BODY></HTML>\n";
202 # my $Archive = $common_archive ? "archive" : "";
203 # print header . start_html("Sorry");
204 # print "Sorry bug #$msg doesn't seem to be in the $Archive database.\n";
209 # Split a package string from the status file into a list of package names.
212 return unless defined $pkgs;
213 return map lc, split /[ \t?,()]+/, $pkgs;
219 return () unless defined $addr;
220 return @{$_parsedaddrs{$addr}} if exists $_parsedaddrs{$addr};
221 @{$_parsedaddrs{$addr}} = Mail::Address->parse($addr);
222 return @{$_parsedaddrs{$addr}};
225 # Generate a comma-separated list of HTML links to each package given in
226 # $pkgs. $pkgs may be empty, in which case an empty string is returned, or
227 # it may be a comma-separated list of package names.
228 sub htmlpackagelinks {
230 return unless defined $pkgs and $pkgs ne '';
232 my @pkglist = splitpackages($pkgs);
234 my $openstrong = $strong ? '<strong>' : '';
235 my $closestrong = $strong ? '</strong>' : '';
237 return 'Package' . (@pkglist > 1 ? 's' : '') . ': ' .
240 '<a href="' . pkgurl($_) . '">' .
241 $openstrong . htmlsanit($_) . $closestrong . '</a>'
246 # Generate a comma-separated list of HTML links to each maintainer given in
247 # $maints, which should be a comma-separated list of RFC822 addresses.
249 my ($prefixfunc, $maints) = @_;
250 if (defined $maints and $maints ne '') {
251 my @maintaddrs = getparsedaddrs($maints);
252 my $prefix = (ref $prefixfunc) ? $prefixfunc->(scalar @maintaddrs)
255 join ', ', map { sprintf '<a href="%s">%s</a>',
256 mainturl($_->address),
257 htmlsanit($_->format) || '(unknown)'
260 my $prefix = (ref $prefixfunc) ? $prefixfunc->(1) : $prefixfunc;
261 return sprintf '%s<a href="%s">(unknown)</a>', $prefix, mainturl('');
267 my %status = %{getbugstatus($ref)};
268 return htmlindexentrystatus(%status) if (%status);
272 sub htmlindexentrystatus {
278 if ($status{severity} eq 'normal') {
280 } elsif (isstrongseverity($status{severity})) {
281 $showseverity = "<strong>Severity: $status{severity}</strong>;\n";
283 $showseverity = "Severity: <em>$status{severity}</em>;\n";
286 $result .= htmlpackagelinks($status{"package"}, 1);
287 $result .= $showseverity;
288 $result .= "Reported by: <a href=\"" . submitterurl($status{originator})
289 . "\">" . htmlsanit($status{originator}) . "</a>";
290 $result .= ";\nOwned by: " . htmlsanit($status{owner})
291 if length $status{owner};
292 $result .= ";\nTags: <strong>"
293 . htmlsanit(join(", ", sort(split(/\s+/, $status{tags}))))
295 if (length($status{tags}));
297 my @merged= split(/ /,$status{mergedwith});
298 my $mseparator= ";\nmerged with ";
299 for my $m (@merged) {
300 $result .= $mseparator."<A href=\"" . bugurl($m) . "\">#$m</A>";
304 if (@{$status{found_versions}}) {
305 $result .= ";\nfound in ";
306 $result .= (@{$status{found_versions}} == 1) ? 'version '
308 $result .= join ', ', map htmlsanit($_), @{$status{found_versions}};
311 if (@{$status{fixed_versions}}) {
312 $result .= ";\n<strong>fixed</strong> in ";
313 $result .= (@{$status{fixed_versions}} == 1) ? 'version '
315 $result .= join ', ', map htmlsanit($_), @{$status{fixed_versions}};
316 if (length($status{done})) {
317 $result .= ' by ' . htmlsanit($status{done});
319 } elsif (length($status{done})) {
320 $result .= ";\n<strong>Done:</strong> " . htmlsanit($status{done});
321 $days = ceil($debbugs::gRemoveAge - -M buglog($status{id}));
323 $result .= ";\n<strong>Will be archived:</strong>" . ( $days == 0 ? " today" : $days == 1 ? " in $days day" : " in $days days" );
325 $result .= ";\n<strong>Archived</strong>";
329 unless (length($status{done})) {
330 if (length($status{forwarded})) {
331 $result .= ";\n<strong>Forwarded</strong> to "
332 . maybelink($status{forwarded});
334 my $daysold = int((time - $status{date}) / 86400); # seconds to days
338 $font = "em" if ($daysold > 30);
339 $font = "strong" if ($daysold > 60);
340 $efont = "</$font>" if ($font);
341 $font = "<$font>" if ($font);
343 my $yearsold = int($daysold / 365);
344 $daysold -= $yearsold * 365;
346 $result .= ";\n $font";
348 push @age, "1 year" if ($yearsold == 1);
349 push @age, "$yearsold years" if ($yearsold > 1);
350 push @age, "1 day" if ($daysold == 1);
351 push @age, "$daysold days" if ($daysold > 1);
352 $result .= join(" and ", @age);
353 $result .= " old$efont";
364 $args .= "&archive=yes" if $common_archive;
365 $args .= "&repeatmerged=no" unless $common_repeatmerged;
366 $args .= "&version=$common_version" if defined $common_version;
367 $args .= "&dist=$common_dist" if defined $common_dist;
368 $args .= "&arch=$common_arch" if defined $common_arch;
373 my $ref = shift || "";
374 my $params = "submitter=" . emailfromrfc822($ref);
375 $params .= urlargs();
376 return urlsanit("pkgreport.cgi" . "?" . $params);
380 my $ref = shift || "";
381 my $params = "maint=" . emailfromrfc822($ref);
382 $params .= urlargs();
383 return urlsanit("pkgreport.cgi" . "?" . $params);
388 my $params = "pkg=$ref";
389 $params .= urlargs();
390 return urlsanit("pkgreport.cgi" . "?" . "$params");
395 my $params = "src=$ref";
396 $params .= urlargs();
397 return urlsanit("pkgreport.cgi" . "?" . "$params");
402 my $params = "tag=$ref";
403 $params .= urlargs();
404 return urlsanit("pkgreport.cgi" . "?" . "$params");
412 my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
413 $url =~ s/([<>&"])/\&$saniarray{$1};/g;
418 my %saniarray = ('<','lt', '>','gt', '&','amp', '"','quot');
419 my $in = shift || "";
420 $in =~ s/([<>&"])/\&$saniarray{$1};/g;
426 if ($in =~ /^[a-zA-Z0-9+.-]+:/) { # RFC 1738 scheme
427 return qq{<a href="$in">} . htmlsanit($in) . '</a>';
429 return htmlsanit($in);
435 my $params = "bug=$ref";
436 foreach my $val (@_) {
437 $params .= "\&msg=$1" if ($val =~ /^msg=([0-9]+)/);
438 $params .= "\&archive=yes" if (!$common_archive && $val =~ /^archive.*$/);
440 $params .= "&archive=yes" if ($common_archive);
441 $params .= "&repeatmerged=no" unless ($common_repeatmerged);
443 return urlsanit("bugreport.cgi" . "?" . "$params");
448 my $params = "bug=$ref";
450 foreach my $val (@_) {
451 $params .= "\&$1=$2" if ($val =~ /^(msg|att)=([0-9]+)/);
452 $filename = $1 if ($val =~ /^filename=(.*)$/);
454 $params .= "&archive=yes" if ($common_archive);
456 $pathinfo = "/$filename" if $filename ne '';
458 return urlsanit("bugreport.cgi$pathinfo?$params");
463 return urlsanit("bugreport.cgi" . "?" . "bug=$ref&mbox=yes");
467 return @{getbugs(sub { 1 })};
470 sub bugmatches(\%\%) {
471 my ($hash, $status) = @_;
472 foreach my $key( keys( %$hash ) ) {
473 my $value = $hash->{$key};
474 my $sub = $field_match{$key};
475 return 1 if ($sub->($key, $value, $status));
480 my ($bug, %status) = @_;
482 if (%common_include) {
483 return 1 if (!bugmatches(%common_include, %status));
485 if (%common_exclude) {
486 return 1 if (bugmatches(%common_exclude, %status));
488 my @merged = sort {$a<=>$b} $bug, split(/ /, $status{mergedwith});
489 return 1 unless ($common_repeatmerged || !$seenmerged{$merged[0]});
490 $seenmerged{$merged[0]} = 1;
505 return "<HR><H2>No reports found!</H2></HR>\n";
508 if ( $common_bug_reverse ) {
509 @bugs = sort {$b<=>$a} @bugs;
511 @bugs = sort {$a<=>$b} @bugs;
514 foreach my $bug (@bugs) {
515 my %status = %{getbugstatus($bug)};
517 next if bugfilter($bug, %status);
519 my $html = sprintf "<li><a href=\"%s\">#%d: %s</a>\n<br>",
520 bugurl($bug), $bug, htmlsanit($status{subject});
521 $html .= htmlindexentrystatus(\%status) . "\n";
522 my $key = join( '_', map( {$status{$_}} @common_grouping ) );
523 $section{$key} .= $html;
525 foreach my $grouping ( @common_grouping ) {
526 $count{"${grouping}_$status{$grouping}"}++;
528 $anydone = 1 if $status{pending} eq 'done';
529 push @status, [ $bug, \%status, $html ];
533 if ($common_raw_sort) {
534 $result .= "<UL>\n" . join("", map( { $_->[ 2 ] } @status ) ) . "</UL>\n";
536 my (@order, @headers);
537 for( my $i = 0; $i < @common_grouping; $i++ ) {
538 my $grouping_name = $common_grouping[ $i ];
539 my @items = @{ $common_grouping_order{ $grouping_name } };
540 @items = reverse( @items ) if ( $common_reverse{ $grouping_name } );
544 foreach my $grouping ( @items ) {
545 push @neworder, map( { "${_}_$grouping" } @order );
546 push @newheaders, map( { "$_ - $common_headers{$grouping_name}{$grouping}" } @headers );
549 @headers = @newheaders;
552 push @headers, map( { $common_headers{$common_grouping[$i]}{$_} } @items );
556 for ( my $i = 0; $i < @order; $i++ ) {
557 my $order = $order[ $i ];
558 next unless defined $section{$order};
559 my $count = $count{"_$order"};
560 my $bugs = $count == 1 ? "bug" : "bugs";
561 $header .= "<li><a href=\"#$order\">$headers[$i]</a> ($count $bugs)</li>\n";
563 $header .= "</ul>\n";
564 for ( my $i = 0; $i < @order; $i++ ) {
565 my $order = $order[ $i ];
566 next unless defined $section{$order};
567 if ($common{show_list_header}) {
568 my $count = $count{"_$order"};
569 my $bugs = $count == 1 ? "bug" : "bugs";
570 $result .= "<HR><H2><a name=\"$order\"></a>$headers[$i] ($count $bugs)</H2>\n";
572 $result .= "<HR><H2>$headers[$i]</H2>\n";
575 $result .= $section{$order};
576 $result .= "</UL>\n";
579 foreach my $grouping ( @common_grouping ) {
580 my $local_result = '';
581 foreach my $key ( @{$common_grouping_order{ $grouping }} ) {
582 my $count = $count{"${grouping}_$key"};
584 $local_result .= "<li>$count $common_headers{$grouping}{$key}</li>\n";
586 if ( $local_result ) {
587 $footer .= "<li>$common_grouping_display{$grouping}<ul>\n$local_result</ul></li>\n";
590 $footer .= "</ul>\n";
593 $result = $header . $result if ( $common{show_list_header} );
594 $result .= $debbugs::gHTMLExpireNote if $gRemoveAge and $anydone;
595 $result .= "<hr>" . $footer if ( $common{show_list_footer} );
601 if ($common_archive) {
602 open I, "<$debbugs::gSpoolDir/index.archive"
603 or &quitcgi("$debbugs::gSpoolDir/index.archive: $!");
605 open I, "<$debbugs::gSpoolDir/index.db"
606 or &quitcgi("$debbugs::gSpoolDir/index.db: $!");
612 if (m/^(\S+)\s+(\d+)\s+(\d+)\s+(\S+)\s+\[\s*([^]]*)\s*\]\s+(\w+)\s+(.*)$/) {
613 my @x = $bugfunc->(pkg => $1, bug => $2, status => $4,
614 submitter => $5, severity => $6, tags => $7);
616 $count{$_}++ foreach @x;
629 if (!$common_archive && defined $opt &&
630 -e "$debbugs::gSpoolDir/by-$opt.idx")
633 print STDERR "optimized\n" if ($debug);
634 tie %lookup, DB_File => "$debbugs::gSpoolDir/by-$opt.idx", O_RDONLY
635 or die "$0: can't open $debbugs::gSpoolDir/by-$opt.idx ($!)\n";
636 while ($key = shift) {
637 my $bugs = $lookup{$key};
639 push @result, (unpack 'N*', $bugs);
643 print STDERR "done optimized\n" if ($debug);
645 if ( $common_archive ) {
646 open I, "<$debbugs::gSpoolDir/index.archive"
647 or &quitcgi("$debbugs::gSpoolDir/index.archive: $!");
649 open I, "<$debbugs::gSpoolDir/index.db"
650 or &quitcgi("$debbugs::gSpoolDir/index.db: $!");
653 if (m/^(\S+)\s+(\d+)\s+(\d+)\s+(\S+)\s+\[\s*([^]]*)\s*\]\s+(\w+)\s+(.*)$/) {
654 if ($bugfunc->(pkg => $1, bug => $2, status => $4,
655 submitter => $5, severity => $6, tags => $7))
663 @result = sort {$a <=> $b} @result;
667 sub emailfromrfc822 {
669 $email =~ s/\s*\(.*\)\s*//;
670 $email = $1 if ($email =~ m/<(.*)>/);
678 while ($input =~ m/\W/) {
679 $encoded.=$`.sprintf("-%02x_",unpack("C",$&));
684 $encoded =~ s/-2e_/\./g;
685 $encoded =~ s/^([^,]+)-20_-3c_(.*)-40_(.*)-3e_/$1,$2,$3,/;
686 $encoded =~ s/^(.*)-40_(.*)-20_-28_([^,]+)-29_$/,$1,$2,$3/;
687 $encoded =~ s/-20_/_/g;
688 $encoded =~ s/-([^_]+)_-/-$1/g;
694 return $_maintainer if $_maintainer;
697 open(MM,"$gMaintainerFile") or &quitcgi("open $gMaintainerFile: $!");
699 next unless m/^(\S+)\s+(\S.*\S)\s*$/;
705 if (defined $gMaintainerFileOverride) {
706 open(MM,"$gMaintainerFileOverride") or &quitcgi("open $gMaintainerFileOverride: $!");
708 next unless m/^(\S+)\s+(\S.*\S)\s*$/;
715 $_maintainer = \%maintainer;
722 return $_pkgsrc if $_pkgsrc;
723 return {} unless defined $gPackageSource;
727 open(MM,"$gPackageSource") or &quitcgi("open $gPackageSource: $!");
729 next unless m/^(\S+)\s+(\S+)\s+(\S.*\S)\s*$/;
730 ($a,$b,$c)=($1,$2,$3);
733 $pkgcomponent{$a}= $b;
737 $_pkgcomponent = \%pkgcomponent;
741 sub getpkgcomponent {
742 return $_pkgcomponent if $_pkgcomponent;
744 return $_pkgcomponent;
749 return $_pseudodesc if $_pseudodesc;
752 open(PSEUDO, "< $gPseudoDescFile") or &quitcgi("open $gPseudoDescFile: $!");
754 next unless m/^(\S+)\s+(\S.*\S)\s*$/;
755 $pseudodesc{lc $1} = $2;
758 $_pseudodesc = \%pseudodesc;
767 my $location = getbuglocation( $bugnum, 'summary' );
768 return {} if ( !$location );
769 %status = %{ readbug( $bugnum, $location ) };
770 $status{ id } = $bugnum;
772 $status{found_versions} = [];
773 $status{fixed_versions} = [];
774 if (defined $gVersionBugsDir and
775 (defined $common_version or defined $common_dist)) {
776 my $bughash = get_hashname($bugnum);
777 if (open BUGVER, "< $gVersionBugsDir/$bughash/$bugnum.versions") {
780 if (/^Found-in: (.*)/i) {
781 $status{found_versions} = [split ' ', $1];
782 } elsif (/^Fixed-in: (.*)/i) {
783 $status{fixed_versions} = [split ' ', $1];
790 $status{tags} = $status{keywords};
791 my %tags = map { $_ => 1 } split ' ', $status{tags};
793 $status{"package"} =~ s/\s*$//;
794 $status{"package"} = 'unknown' if ($status{"package"} eq '');
795 $status{"severity"} = 'normal' if ($status{"severity"} eq '');
797 $status{"pending"} = 'pending';
798 $status{"pending"} = 'forwarded' if (length($status{"forwarded"}));
799 $status{"pending"} = 'pending-fixed' if ($tags{pending});
800 $status{"pending"} = 'fixed' if ($tags{fixed});
803 if (defined $common_version) {
804 $version = $common_version;
805 } elsif (defined $common_dist) {
806 $version = getversion($status{package}, $common_dist, $common_arch);
809 if (defined $version) {
810 my $buggy = buggyversion($bugnum, $version, \%status);
811 if ($buggy eq 'absent') {
812 $status{"pending"} = 'absent';
813 } elsif ($buggy eq 'fixed') {
814 $status{"pending"} = 'done';
818 if (length($status{done}) and
819 (not defined $version or not @{$status{fixed_versions}})) {
820 $status{"pending"} = 'done';
829 my %pkgsrc = %{getpkgsrc()};
831 foreach ( keys %pkgsrc ) {
832 push @pkgs, $_ if $pkgsrc{$_} eq $src;
839 my $location = getbuglocation($bugnum, 'log');
840 return undef unless defined $location;
841 return getbugcomponent($bugnum, 'log', $location);
846 my ($bug, $ver, $status) = @_;
847 return '' unless defined $gVersionPackagesDir;
848 my $src = getpkgsrc()->{$status->{package}};
849 $src = $status->{package} unless defined $src;
852 if (exists $_versionobj{$src}) {
853 $tree = $_versionobj{$src};
855 $tree = Debbugs::Versions->new(\&DpkgVer::vercmp);
856 if (open VERFILE, "< $gVersionPackagesDir/$src") {
857 $tree->load(\*VERFILE);
860 $_versionobj{$src} = $tree;
863 return $tree->buggy($ver, $status->{found_versions},
864 $status->{fixed_versions});
869 my ($pkg, $dist, $arch) = @_;
870 return undef unless defined $gVersionIndex;
871 $dist = 'unstable' unless defined $dist;
872 $arch = 'i386' unless defined $arch;
874 unless (tied %_versions) {
875 tie %_versions, 'MLDBM', $gVersionIndex, O_RDONLY
876 or die "can't open versions index: $!";
879 return $_versions{$pkg}{$dist}{$arch};