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#!/usr/bin/perl # # osgideps.pl -- Analyze dependencies of OSGi bundles. # # Kyu Lee (initial idea) # Alphonse Van Assche <alcapcom@fedoraproject.org> (current maintainer) # # $Id: osgideps.pl,v 1.0 2009/06/08 12:12:12 mej Exp $ use Getopt::Long; use File::Temp qw/ tempdir /; use threads; use Thread::Queue; $MANIFEST_NAME = "META-INF/MANIFEST.MF"; # parse options my ( $show_provides, $show_requires, $show_system_bundles, $debug ); my $result = GetOptions( "provides" => \$show_provides, "requires" => \$show_requires, "system" => \$show_system_bundles, "debug" => \$debug ); exit(1) if ( not $result ); # run selected function @allfiles = <STDIN>; if ($show_provides) { getProvides(@allfiles); } if ($show_requires) { getRequires(@allfiles); } if ($show_system_bundles) { getSystemBundles(@allfiles); } exit(0); # this function print provides of OSGi aware files sub getProvides { my $queue = Thread::Queue->new; foreach $file (@_) { $queue->enqueue($file); } my @workers; push @workers, threads->create('getProvidesWorker'); push @workers, threads->create('getProvidesWorker'); push @workers, threads->create('getProvidesWorker'); push @workers, threads->create('getProvidesWorker'); map { $_->join } @workers; sub getProvidesWorker { while ( my $file = $queue->dequeue_nb ) { chomp($file); # we don't follow symlinks for provides next if ( -f $file && -r _ && -l _ ); $file =~ s/[^[:print:]]//g; if ( $file =~ m/$MANIFEST_NAME$/ \|\| $file =~ m/\.jar$/ ) { if ( $file =~ m/\.jar$/ ) { if ( `zipinfo -1 $file 2> /dev/null \| grep -e \^$MANIFEST_NAME` eq "$MANIFEST_NAME\n" ) { # extract MANIFEST.MF file from jar to temporary directory $tmpdir = tempdir( CLEANUP => 1 ); `unzip -d $tmpdir -qqo $file $MANIFEST_NAME`; open( MANIFEST, "$tmpdir/$MANIFEST_NAME" ); } } else { open( MANIFEST, "$file" ); } my $bundleName = ""; my $version = ""; # parse Bundle-SymbolicName, Bundle-Version and Export-Package attributes while (<MANIFEST>) { # get rid of non-print chars (some manifest files contain weird chars) s/[^[:print]]//g; if ( m/(^(Bundle-SymbolicName): )(.)$/ ) { $bundleName = "$3" . "\n"; while (<MANIFEST>) { if ( m/^[[:upper:]][[:alpha:]]+-[[:upper:]][[:alpha:]]+: ./ ) { $len = length $_; seek MANIFEST, $len * -1, 1; last; } $bundleName .= "$_"; } $bundleName =~ s/\s+//g; $bundleName =~ s/;.//g; } if ( m/(^Bundle-Version: )(.)/ ) { $version = $2; } if ( m/(^(Export-Package): )(.)$/ ) { my $bunlist = "$3" . "\n"; while (<MANIFEST>) { if ( m/^[[:upper:]][[:alpha:]]+-[[:upper:]][[:alpha:]]+: ./ ) { $len = length $_; seek MANIFEST, $len * -1, 1; last; } $bunlist .= "$_"; } push @bundlelist, parsePkgString($bunlist, $file); } } # skip this jar if no bundle name exists if ( !$bundleName eq "" ) { if ( !$version eq "" ) { $version = parseVersion($version); push @bundlelist, { FILE => "$file", NAME => "$bundleName", VERSION => "$version" }; } else { push @bundlelist, { FILE => "$file", NAME => "$bundleName", VERSION => "" }; } } `rm -rf $tmpdir`; } } if ( !$debug ) { @bundlelist = prepareOSGiBundlesList(@bundlelist); } $list = ""; for $bundle (@bundlelist) { if ( !$debug ) { $list .= "osgi(" . $bundle->{NAME} . ")" . $bundle->{VERSION} . "\n"; } else { $list .= $bundle->{FILE} . " osgi(" . $bundle->{NAME} . ")" . $bundle->{VERSION} . "\n"; } } print $list; } } # this function print requires of OSGi aware files sub getRequires { my $queue = Thread::Queue->new; foreach $file (@_) { $queue->enqueue($file); } my @workers; push @workers, threads->create('getRequiresWorker'); push @workers, threads->create('getRequiresWorker'); push @workers, threads->create('getRequiresWorker'); push @workers, threads->create('getRequiresWorker'); map { $_->join } @workers; sub getRequiresWorker { while ( my $file = $queue->dequeue_nb ) { next if ( -f $file && -r _ ); $file =~ s/[^[:print:]]//g; if ( $file =~ m/$MANIFEST_NAME$/ \|\| $file =~ m/\.jar$/ ) { # we explicitly requires symlinked jars # _that_reside_outside_the_package_ if (-l $file) { $exist = 0; $lnksrc = `readlink -qen $file`; foreach $exfile ( @allfiles ) { $exfile =~ s/[^[:print:]]//g; if ( $lnksrc =~ m/$exfile$/ ) { $exist = 1; last; } } print "$lnksrc\n" if (!$exist); next; } if ( $file =~ m/\.jar$/ ) { if ( `zipinfo -1 $file 2> /dev/null \| grep -e \^$MANIFEST_NAME` eq "$MANIFEST_NAME\n" ) { # extract MANIFEST.MF file from jar to temporary directory $tmpdir = tempdir( CLEANUP => 1 ); `unzip -d $tmpdir -qqo $file $MANIFEST_NAME`; open( MANIFEST, "$tmpdir/$MANIFEST_NAME" ); } } else { open( MANIFEST, "$file" ); } while (<MANIFEST>) { if ( m/(^(Require-Bundle\|Import-Package): )(.)$/ ) { my $bunlist = "$3" . "\n"; while (<MANIFEST>) { if (m/^[[:upper:]][[:alpha:]]+-[[:upper:]][[:alpha:]]+: ./ ) { $len = length $_; seek MANIFEST, $len * -1, 1; last; } $bunlist .= "$_"; } push @bundlelist, parsePkgString($bunlist, $file); } # we also explicitly require symlinked jars define by # Bundle-ClassPath attribut if ( m/(^(Bundle-ClassPath): )(.)$/ ) { $bunclp = "$3" . "\n"; while (<MANIFEST>) { if ( m/^[[:upper:]][[:alpha:]]+-[[:upper:]][[:alpha:]]+: ./ ) { $len = length $_; seek MANIFEST, $len * -1, 1; last; } $bunclp .= "$_"; } $bunclp =~ s/\ //g; $bunclp =~ s/\n//g; $bunclp =~ s/[^[:print:]]//g; $dir = `dirname $file`; $dir =~ s/\n//g; @jars = split /,/, $bunclp; for $jarfile (@jars) { $jarfile = "$dir\/\.\.\/$jarfile"; $jarfile = readlink $jarfile; if ( !$jarfile eq "" ) { print "$jarfile" . "\n"; } } } } `rm -rf $tmpdir`; } } if ( !$debug ) { @bundlelist = prepareOSGiBundlesList(@bundlelist); } $list = ""; for $bundle (@bundlelist) { # replace '=' by '>=' because qualifiers are set on provides # but not on requires. $bundle->{VERSION} =~ s/\ =/\ >=/g; if ( !$debug ) { $list .= "osgi(" . $bundle->{NAME} . ")" . $bundle->{VERSION} . "\n"; } else { $list .= $bundle->{FILE} . " osgi(" . $bundle->{NAME} . ")" . $bundle->{VERSION} . "\n"; } } print $list; } } # this function print system bundles of OSGi profile files. sub getSystemBundles { foreach $file (@_) { if ( ! -f $file \|\| ! -r _ ) { print "'$file' file not found or cannot be read!"; next; } else { open( PROFILE, "$file" ); while (<PROFILE>) { if ( $file =~ m/\.profile$/ ) { if (m/(^(org\.osgi\.framework\.system\.packages)[=\|\ ]+)(.)$/) { $syspkgs = "$3" . "\n"; while (<PROFILE>) { if (m/^[a-z]/) { $len = length $_; seek MANIFEST, $len -1, 1; last; } $syspkgs .= "$_"; } $syspkgs =~ s/\s+//g; $syspkgs =~ s/\\//g; @bundles = split /,/, $syspkgs; foreach $bundle (@bundles) { print "osgi(" . $bundle . ")\n"; } } } } } } } sub parsePkgString { my $bunstr = $_[0]; my $file = $_[1]; my @return; $bunstr =~ s/ //g; $bunstr =~ s/\n//g; $bunstr =~ s/[^[:print:]]//g; $bunstr =~ s/("[[:alnum:]\|\-\|\_\|\.\|$\|$\|\[\|\]]+)(,)([[:alnum:]\|\-\|\_\|\.\|$\|$\|\[\|\]]+")/$1 $3/g; # remove uses bundle from Export-Package attribute $bunstr =~ s/uses:="[[:alnum:]\|\-\|\_\|\.\|$\|$\|\[\|\]\|,]+"//g; # remove optional dependencies $bunstr =~ s/,.;resolution:=optional//g; # remove x-friends $bunstr =~ s/;x-friends:="[[:alnum:]\|\-\|\_\|\.\|$\|$\|\[\|\]\|,]+"//g; # remove signatures $bunstr =~ s/Name:.SHA1-Digest:.//g; @reqcomp = split /,/, $bunstr; foreach $reqelement (@reqcomp) { @reqelementfrmnt = split /;/, $reqelement; $name = ""; $version = ""; $name = $reqelementfrmnt[0]; $name =~ s/\"//g; # ignoring OSGi 'system.bundle' next if ( $name =~ m/^system\.bundle$/ ); for $i ( 1 .. $#reqelementfrmnt ) { if ( $reqelementfrmnt[$i] =~ m/(^(bundle-\|)version=")(.)(")/ ) { $version = $3; last; } } $version = parseVersion($version); push @return, { FILE => "$file", NAME => "$name", VERSION => "$version" }; } return @return; } sub parseVersion { my $ver = $_[0]; if ( $ver eq "" ) { return ""; } if ( $ver =~ m/(^[\[\|$])(.+)\ (.+)([\]\|$]$)/ ) { if ( $1 eq "\[" ) { $ver = " >= $2"; } else { $ver = " > $2"; } } else { $ver = " = $ver"; } # we always return a full OSGi version to be able to match 1.0 # and 1.0.0 as equal in RPM. ( $major, $minor, $micro, $qualifier ) = split( '\.', $ver ); if ( !defined($minor) \|\| !$minor ) { $minor = 0; } if ( !defined($micro) \|\| !$micro ) { $micro = 0; } if ( !defined($qualifier) \|\| !$qualifier ) { $qualifier = ""; } else { $qualifier = "." . $qualifier; } $ver = $major . "." . $minor . "." . $micro . $qualifier; return $ver; } # this function put the max version on each bundles to be able to remove # duplicate deps with 'sort -u' command. sub prepareOSGiBundlesList { foreach $bundle (@_) { foreach $cmp (@_) { if ( $bundle->{NAME} eq $cmp->{NAME} ) { $result = compareVersion( $bundle->{VERSION}, $cmp->{VERSION} ); if ( $result < 0 ) { $bundle->{VERSION} = $cmp->{VERSION}; } } } } return @_; } # this function returns a negative integer, zero, or a positive integer if # $ver1 is less than, equal to, or greater than $ver2. # # REMEMBER: we mimic org.osgi.framework.Version#compareTo method but # at this time we don't take care of the qualifier part of the version. sub compareVersion { my $ver1 = $_[0]; my $ver2 = $_[1]; $ver1 = "0.0.0" if ( $ver1 eq "" ); $ver2 = "0.0.0" if ( $ver2 eq "" ); $ver1 =~ m/([0-9]+)(\.)([0-9]+)(\.)([0-9]+)/; $major1 = $1; $minor1 = $3; $micro1 = $5; $ver2 =~ m/([0-9]+)(\.)([0-9]+)(\.)([0-9]+)/; $major2 = $1; $minor2 = $3; $micro2 = $5; $result = $major1 - $major2; return $result if ( $result != 0 ); $result = $minor1 - $minor2; return $result if ( $result != 0 ); $result = $micro1 - $micro2; return $result if ( $result != 0 ); return $result; }

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