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authorFrédéric Buclin <LpSolit@gmail.com>2013-12-02 17:04:12 +0100
committerFrédéric Buclin <LpSolit@gmail.com>2013-12-02 17:04:12 +0100
commit26724018067fca77977e343263487bf2b6b25ba2 (patch)
tree4c8331dc298671c8d4aa5136ded475e43ff504ff
parente21cee47ced69277073d3d2395e8a7cb64e71c14 (diff)
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Bug 938300: vers_cmp() incorrectly compares module versions
r=sgreen a=justdave
-rw-r--r--Bugzilla/DB.pm3
-rw-r--r--Bugzilla/Install/Requirements.pm31
-rw-r--r--Bugzilla/Install/Util.pm66
-rw-r--r--Bugzilla/Version.pm98
-rwxr-xr-xinstall-module.pl2
-rwxr-xr-xquery.cgi2
6 files changed, 113 insertions, 89 deletions
diff --git a/Bugzilla/DB.pm b/Bugzilla/DB.pm
index f5320cb7f..063e2cf69 100644
--- a/Bugzilla/DB.pm
+++ b/Bugzilla/DB.pm
@@ -17,11 +17,12 @@ use parent -norequire, qw(DBI::db);
use Bugzilla::Constants;
use Bugzilla::Install::Requirements;
-use Bugzilla::Install::Util qw(vers_cmp install_string);
+use Bugzilla::Install::Util qw(install_string);
use Bugzilla::Install::Localconfig;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::DB::Schema;
+use Bugzilla::Version;
use List::Util qw(max);
use Storable qw(dclone);
diff --git a/Bugzilla/Install/Requirements.pm b/Bugzilla/Install/Requirements.pm
index 06f855fc5..09ea4abe3 100644
--- a/Bugzilla/Install/Requirements.pm
+++ b/Bugzilla/Install/Requirements.pm
@@ -17,7 +17,7 @@ use 5.10.1;
use strict;
use Bugzilla::Constants;
-use Bugzilla::Install::Util qw(vers_cmp install_string bin_loc
+use Bugzilla::Install::Util qw(install_string bin_loc
extension_requirement_packages);
use List::Util qw(max);
use Term::ANSIColor;
@@ -86,7 +86,6 @@ use constant APACHE_PATH => [qw(
# are 'blacklisted'--that is, even if the version is high enough, Bugzilla
# will refuse to say that it's OK to run with that version.
sub REQUIRED_MODULES {
- my $perl_ver = sprintf('%vd', $^V);
my @modules = (
{
package => 'CGI.pm',
@@ -125,7 +124,7 @@ sub REQUIRED_MODULES {
{
package => 'DBI',
module => 'DBI',
- version => (vers_cmp($perl_ver, '5.13.3') > -1) ? '1.614' : '1.54'
+ version => ($^V >= v5.13.3) ? '1.614' : '1.54'
},
# 2.24 contains several useful text virtual methods.
{
@@ -187,7 +186,6 @@ sub REQUIRED_MODULES {
};
sub OPTIONAL_MODULES {
- my $perl_ver = sprintf('%vd', $^V);
my @modules = (
{
package => 'GD',
@@ -198,8 +196,9 @@ sub OPTIONAL_MODULES {
{
package => 'Chart',
module => 'Chart::Lines',
- # Versions below 2.1 cannot be detected accurately.
- version => '2.1',
+ # Versions below 2.4.1 cannot be compared accurately, see
+ # https://rt.cpan.org/Public/Bug/Display.html?id=28218.
+ version => '2.4.1',
feature => [qw(new_charts old_charts)],
},
{
@@ -314,7 +313,7 @@ sub OPTIONAL_MODULES {
# We need the 'utf8_mode' method of HTML::Parser, for HTML::Scrubber.
package => 'HTML-Parser',
module => 'HTML::Parser',
- version => (vers_cmp($perl_ver, '5.13.3') > -1) ? '3.67' : '3.40',
+ version => ($^V >= v5.13.3) ? '3.67' : '3.40',
feature => ['html_desc'],
},
{
@@ -668,8 +667,8 @@ sub check_graphviz {
return $return;
}
-# This was originally clipped from the libnet Makefile.PL, adapted here to
-# use the below vers_cmp routine for accurate version checking.
+# This was originally clipped from the libnet Makefile.PL, adapted here for
+# accurate version checking.
sub have_vers {
my ($params, $output) = @_;
my $module = $params->{module};
@@ -694,15 +693,17 @@ sub have_vers {
if ($@) {
no strict 'refs';
$vnum = ${"${module}::VERSION"};
- }
- $vnum ||= -1;
- # Fix CPAN versions like 1.9304.
- if ($module eq 'CPAN' and $vnum =~ /^(\d\.\d{2})\d{2}$/) {
- $vnum = $1;
+ # If we come here, then the version is not a valid one.
+ # We try to sanitize it.
+ if ($vnum =~ /^((\d+)(\.\d+)*)/) {
+ $vnum = $1;
+ }
}
+ $vnum ||= -1;
- my $vok = (vers_cmp($vnum,$wanted) > -1);
+ # Must do a string comparison as $vnum may be of the form 5.10.1.
+ my $vok = ($vnum ne '-1' && version->new($vnum) >= version->new($wanted)) ? 1 : 0;
my $blacklisted;
if ($vok && $params->{blacklist}) {
$blacklisted = grep($vnum =~ /$_/, @{$params->{blacklist}});
diff --git a/Bugzilla/Install/Util.pm b/Bugzilla/Install/Util.pm
index 53cc9d2ec..66ea7169e 100644
--- a/Bugzilla/Install/Util.pm
+++ b/Bugzilla/Install/Util.pm
@@ -38,7 +38,6 @@ our @EXPORT_OK = qw(
include_languages
success
template_include_path
- vers_cmp
init_console
);
@@ -476,49 +475,6 @@ sub template_include_path {
return \@include_path;
}
-# This is taken straight from Sort::Versions 1.5, which is not included
-# with perl by default.
-sub vers_cmp {
- my ($a, $b) = @_;
-
- # Remove leading zeroes - Bug 344661
- $a =~ s/^0*(\d.+)/$1/;
- $b =~ s/^0*(\d.+)/$1/;
-
- my @A = ($a =~ /([-.]|\d+|[^-.\d]+)/g);
- my @B = ($b =~ /([-.]|\d+|[^-.\d]+)/g);
-
- my ($A, $B);
- while (@A and @B) {
- $A = shift @A;
- $B = shift @B;
- if ($A eq '-' and $B eq '-') {
- next;
- } elsif ( $A eq '-' ) {
- return -1;
- } elsif ( $B eq '-') {
- return 1;
- } elsif ($A eq '.' and $B eq '.') {
- next;
- } elsif ( $A eq '.' ) {
- return -1;
- } elsif ( $B eq '.' ) {
- return 1;
- } elsif ($A =~ /^\d+$/ and $B =~ /^\d+$/) {
- if ($A =~ /^0/ || $B =~ /^0/) {
- return $A cmp $B if $A cmp $B;
- } else {
- return $A <=> $B if $A <=> $B;
- }
- } else {
- $A = uc $A;
- $B = uc $B;
- return $A cmp $B if $A cmp $B;
- }
- }
- @A <=> @B;
-}
-
sub no_checksetup_from_cgi {
print "Content-Type: text/html; charset=UTF-8\r\n\r\n";
print install_string('no_checksetup_from_cgi');
@@ -894,28 +850,6 @@ Used by L<Bugzilla::Template> to determine the languages' list which
are compiled with the browser's I<Accept-Language> and the languages
of installed templates.
-=item C<vers_cmp>
-
-=over
-
-=item B<Description>
-
-This is a comparison function, like you would use in C<sort>, except that
-it compares two version numbers. So, for example, 2.10 would be greater
-than 2.2.
-
-It's based on versioncmp from L<Sort::Versions>, with some Bugzilla-specific
-fixes.
-
-=item B<Params>: C<$a> and C<$b> - The versions you want to compare.
-
-=item B<Returns>
-
-C<-1> if C<$a> is less than C<$b>, C<0> if they are equal, or C<1> if C<$a>
-is greater than C<$b>.
-
-=back
-
=back
=head1 B<Methods in need of POD>
diff --git a/Bugzilla/Version.pm b/Bugzilla/Version.pm
index 1dcd2b141..c6b178a8a 100644
--- a/Bugzilla/Version.pm
+++ b/Bugzilla/Version.pm
@@ -10,9 +10,10 @@ package Bugzilla::Version;
use 5.10.1;
use strict;
-use parent qw(Bugzilla::Object);
+use parent qw(Bugzilla::Object Exporter);
+
+@Bugzilla::Version::EXPORT = qw(vers_cmp);
-use Bugzilla::Install::Util qw(vers_cmp);
use Bugzilla::Util;
use Bugzilla::Error;
@@ -200,6 +201,53 @@ sub _check_product {
return Bugzilla->user->check_can_admin_product($product->name);
}
+###############################
+##### Functions ####
+###############################
+
+# This is taken straight from Sort::Versions 1.5, which is not included
+# with perl by default.
+sub vers_cmp {
+ my ($a, $b) = @_;
+
+ # Remove leading zeroes - Bug 344661
+ $a =~ s/^0*(\d.+)/$1/;
+ $b =~ s/^0*(\d.+)/$1/;
+
+ my @A = ($a =~ /([-.]|\d+|[^-.\d]+)/g);
+ my @B = ($b =~ /([-.]|\d+|[^-.\d]+)/g);
+
+ my ($A, $B);
+ while (@A and @B) {
+ $A = shift @A;
+ $B = shift @B;
+ if ($A eq '-' and $B eq '-') {
+ next;
+ } elsif ( $A eq '-' ) {
+ return -1;
+ } elsif ( $B eq '-') {
+ return 1;
+ } elsif ($A eq '.' and $B eq '.') {
+ next;
+ } elsif ( $A eq '.' ) {
+ return -1;
+ } elsif ( $B eq '.' ) {
+ return 1;
+ } elsif ($A =~ /^\d+$/ and $B =~ /^\d+$/) {
+ if ($A =~ /^0/ || $B =~ /^0/) {
+ return $A cmp $B if $A cmp $B;
+ } else {
+ return $A <=> $B if $A <=> $B;
+ }
+ } else {
+ $A = uc $A;
+ $B = uc $B;
+ return $A cmp $B if $A cmp $B;
+ }
+ }
+ return @A <=> @B;
+}
+
1;
__END__
@@ -243,11 +291,51 @@ below.
=item C<bug_count()>
- Description: Returns the total of bugs that belong to the version.
+=over
+
+=item B<Description>
+
+Returns the total of bugs that belong to the version.
+
+=item B<Params>
+
+none
+
+=item B<Returns>
+
+Integer with the number of bugs.
+
+=back
+
+=back
+
+=head1 FUNCTIONS
+
+=over
+
+=item C<vers_cmp($a, $b)>
+
+=over
+
+=item B<Description>
+
+This is a comparison function, like you would use in C<sort>, except that
+it compares two version numbers. So, for example, 2.10 would be greater
+than 2.2.
+
+It's based on versioncmp from L<Sort::Versions>, with some Bugzilla-specific
+fixes.
- Params: none.
+=item B<Params>
- Returns: Integer with the number of bugs.
+C<$a> and C<$b> - The versions you want to compare.
+
+=item B<Returns>
+
+C<-1> if C<$a> is less than C<$b>, C<0> if they are equal, or C<1> if C<$a>
+is greater than C<$b>.
+
+=back
=back
diff --git a/install-module.pl b/install-module.pl
index 37ea8cc41..a7359917d 100755
--- a/install-module.pl
+++ b/install-module.pl
@@ -23,7 +23,7 @@ use Bugzilla::Install::CPAN;
use Bugzilla::Constants;
use Bugzilla::Install::Requirements;
-use Bugzilla::Install::Util qw(bin_loc init_console vers_cmp);
+use Bugzilla::Install::Util qw(bin_loc init_console);
use Data::Dumper;
use Getopt::Long;
diff --git a/query.cgi b/query.cgi
index 0e921ac0c..65a7d3c3d 100755
--- a/query.cgi
+++ b/query.cgi
@@ -18,9 +18,9 @@ use Bugzilla::User;
use Bugzilla::Util;
use Bugzilla::Error;
use Bugzilla::Product;
+use Bugzilla::Version;
use Bugzilla::Keyword;
use Bugzilla::Field;
-use Bugzilla::Install::Util qw(vers_cmp);
use Bugzilla::Token;
###############