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#! /usr/bin/perl # # Written by Fernando Alegre <alegre@debian.org> 1996 # # Applied patch by Dimitri Maziuk <emaziuk@curtin.edu.au> 1997 # (to handle new tar format) # # Modified by Fernando Alegre <alegre@debian.org> 1997 # (to handle both new and old tar formats) # # Modified by Patrik Rak <prak@post.cz> 1998 # (add by Michael Bramer Debian-mc-maintainer <grisu@debian.org>) # (to allow access to package control files) # # Modified by Martin Bialasinski <martinb@debian.org> 1999 # (deal with change in tar format) # # # Copyright (C) 1997 Free Software Foundation # sub quote { $_ = shift(@_); s/([^\w\/.+-])/\\$1/g; return($_); } sub mcdebfs_list { # # CAVEAT: Hard links are listed as if they were symlinks # Empty directories do not appear at all # local($archivename)=@_; local $qarchivename = quote($archivename); chop($date=`LC_ALL=C date "+%b %d %H:%M"`); chop($info_size=`dpkg -I $qarchivename | wc -c`); $install_size=length($pressinstall); print "dr-xr-xr-x 1 root root 0 $date CONTENTS\n"; print "dr-xr-xr-x 1 root root 0 $date DEBIAN\n"; print "-r--r--r-- 1 root root $info_size $date INFO\n"; print "-r-xr--r-- 1 root root $install_size $date INSTALL\n"; if ( open(PIPEIN, "LC_ALL=C dpkg-deb -c $qarchivename |") ) { while(<PIPEIN>) { @_ = split; $perm=$_[0]; $owgr=$_[1]; $size=$_[2]; if($_[3] =~ /^\d\d\d\d\-/) { # New tar format ($year,$mon,$day) = split(/-/,$_[3]); $month = ("Gee","Jan","Feb","Mar","Apr","May","Jun", "Jul","Aug","Sep","Oct","Nov","Dec")[$mon] || "Gee"; $time=$_[4]; $pathindex=5; } else { $mstring='GeeJanFebMarAprMayJunJulAugSepOctNovDec'; $month=$_[3]; $mon=index($mstring,$month) / 3; $day=$_[4]; $time=$_[5]; $year=$_[6]; $pathindex=7; } $path=$_[$pathindex++]; $arrow=$_[$pathindex++]; $link=$_[$pathindex++]; $link2=$_[$pathindex++]; $owgr=~s!/! !; if($arrow eq 'link') { # report hard links as soft links $arrow='->'; $link="/$link2"; substr($perm, 0, 1) = "l"; } if($arrow ne '') { $arrow=' ' . $arrow; $link= ' ' . $link; } $now=`date "+%Y %m"`; ($thisyear, $thismon) = split(/ /, $now); # show time for files younger than 6 months # but not for files with dates in the future if ($year * 12 + $mon > $thisyear * 12 + $thismon - 6 && $year * 12 + $mon <= $thisyear * 12 + $thismon) { print "$perm 1 $owgr $size $month $day $time CONTENTS/$path$arrow$link\n"; } else { print "$perm 1 $owgr $size $month $day $year CONTENTS/$path$arrow$link\n"; } } } if ( open(PIPEIN, "LC_ALL=C dpkg-deb -I $qarchivename |") ) { while(<PIPEIN>) { @_ = split; $size=$_[0]; last if $size =~ /:/; next if $size !~ /\d+/; if($_[4] eq '*') { $perm='-r-xr-xr-x'; $name=$_[5]; } else { $perm='-r--r--r--'; $name=$_[4]; } print "$perm 1 root root $size $date DEBIAN/$name\n"; } } } sub mcdebfs_copyout { local($archive,$filename,$destfile)=@_; local $qarchive = quote($archive); local $qfilename = quote($filename); local $qdestfile = quote($destfile); if($filename eq "INFO") { system("dpkg-deb -I $qarchive > $qdestfile"); } elsif($filename =~ /^DEBIAN/) { $qfilename=~s!^DEBIAN/!!; system("dpkg-deb -I $qarchive $qfilename > $qdestfile"); } elsif($filename eq "INSTALL") { if ( open(FILEOUT,">$destfile") ) { print FILEOUT $pressinstall; close FILEOUT; system("chmod a+x $qdestfile"); } } else { # files can be prepended with ./ or not, depending on the version of tar $qfilename=~s!^CONTENTS/!!; system("dpkg-deb --fsys-tarfile $qarchive | tar xOf - $qfilename ./$qfilename > $qdestfile 2>/dev/null"); } } sub mcdebfs_run { local($archive,$filename)=@_; local $qarchive = quote($archive); if($filename eq "INSTALL") { print "Installing $archive\n"; system("dpkg -i $qarchive"); } else { use File::Temp qw(mkdtemp); my $template = "/tmp/mcdebfs.run.XXXXXX"; $template="$ENV{MC_TMPDIR}/mcdebfs.XXXXXX" if ($ENV{MC_TMPDIR}); $tmpdir = mkdtemp($template); $tmpcmd="$tmpdir/run"; &mcdebfs_copyout($archive, $filename, $tmpcmd); system("chmod u+x $tmpcmd"); system($tmpcmd); unlink($tmpcmd); rmdir($tmpdir); } } $pressinstall=<<EOInstall; WARNING Don\'t use this method if you are not willing to reinstall everything... This is not a real file. It is a way to install the package you are browsing. To install this package go back to the panel and press Enter on this file. In Debian systems, a package is automatically upgraded when you install a new version of it. There is no special upgrade option. Install always works. EOInstall umask 077; if($ARGV[0] eq "list") { shift; &mcdebfs_list(@ARGV); exit 0; } elsif($ARGV[0] eq "copyout") { shift; &mcdebfs_copyout(@ARGV); exit 0; } elsif($ARGV[0] eq "run") { shift; &mcdebfs_run(@ARGV); exit 0; } exit 1;