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Editing: debian-lib.pl
# debian-lib.pl # Functions for debian DPKG package management sub list_package_system_commands { return ("dpkg"); } # list_packages([package]*) # Fills the array %packages with a list of all packages sub list_packages { local $i = 0; local $arg = @_ ? join(" ", map { quotemeta($_) } @_) : ""; %packages = ( ); &open_execute_command(PKGINFO, "COLUMNS=1024 dpkg --list $arg", 1, 1); while(<PKGINFO>) { next if (/^\|/ || /^\+/); if (/^[uirph][iHUFWt]..(\S+)\s+(\S+)\s+(.*)/) { $packages{$i,'name'} = $1; $packages{$i,'class'} = &alphabet_name($1); $packages{$i,'version'} = $2; $packages{$i,'desc'} = $3; if ($packages{$i,'version'} =~ /^(\d+):(.*)$/) { $packages{$i,'epoch'} = $1; $packages{$i,'version'} = $2; } if ($packages{$i,'name'} =~ /^(\S+):(\S+)$/) { $packages{$i,'name'} = $1; $packages{$i,'arch'} = $2; } if ($packages{$i,'desc'} =~ /^(all|amd64|x86|arm)\s+(\S.*)/) { $packages{$i,'arch'} = $1; $packages{$i,'desc'} = $2; } $i++; } } close(PKGINFO); return $i; } sub alphabet_name { return lc($_[0]) =~ /^[a-e]/ ? "A-E" : lc($_[0]) =~ /^[f-j]/ ? "F-J" : lc($_[0]) =~ /^[k-o]/ ? "K-O" : lc($_[0]) =~ /^[p-t]/ ? "P-T" : lc($_[0]) =~ /^[u-z]/ ? "U-Z" : "Other"; } # package_info(package, [version]) # Returns an array of package information in the order # name, class, description, arch, version, vendor, installtime sub package_info { local ($pkg, $ver) = @_; local $qm = quotemeta($pkg); # First check if it is installed or partially installed, and not just known # to the package system in some way local $out = &backquote_command("dpkg --list $qm 2>&1", 1); local @lines = split(/\r?\n/, $out); if ($lines[$#lines] !~ /^.[iHUFWt]/) { return ( ); } # Get full status local $out; if (&has_command("apt-cache")) { $qm .= "=*".quotemeta($ver) if ($ver); $out = &backquote_command("apt-cache show $qm 2>&1", 1); $out =~ s/[\0-\177]*\r?\n\r?\n(Package:)/\\1/; # remove available ver } else { $out = &backquote_command("dpkg --print-avail $qm 2>&1", 1); } return () if ($? || $out =~ /Package .* is not available/i); # Set name and class local @rv = ( $_[0], &alphabet_name($_[0]) ); # Get description push(@rv, $out =~ /Description(-en)?:\s+((.*\n)(\s+.*\n)*)/i ? $2 : $text{'debian_unknown'}); # Get architecture push(@rv, $out =~ /Architecture:\s+(\S+)/i ? $1 : $text{'debian_unknown'}); my $arch = $1; # Get version push(@rv, $out =~ /Version:\s+(\S+)/i ? $1 : $text{'debian_unknown'}); # Get maintainer push(@rv, $out =~ /Maintainer:\s+(.*)/i ? &html_escape($1) : $text{'debian_unknown'}); # Get install time from the package info file my ($path) = grep { -e $_ } $arch ? ("/var/lib/dpkg/info/$pkg:$arch.list", "/var/lib/dpkg/info/$pkg.list") : ("/var/lib/dpkg/info/$pkg.list"); # prefer multi-arch my $inst_epoch = $path ? (stat($path))[9] : undef; push(@rv, $inst_epoch ? &make_date($inst_epoch) : undef); # Get homepage push(@rv, $out =~ /Homepage:\s+(.*)/i ? $1 : undef); # Return info return @rv; } # virtual_package_info(package) # Returns an array of package information for a virtual package, usually called # if "package_info" returns nothing. sub virtual_package_info { my ($pkg) = @_; my $qpkg = quotemeta($pkg); my $apt_cache_cmd = &has_command("apt-cache"); return ( ) if (!$apt_cache_cmd); my $out = &backquote_command("$apt_cache_cmd showpkg $qpkg 2>&1", 1); # Get the package that provides this virtual package my ($vpkg); if ($out =~ /Reverse Provides:\s*(\S+\s+\S+)/) { my ($rpkg, $rver) = split(/\s+/, $1, 2); $vpkg = $rpkg; $qvpkg = quotemeta($vpkg)."=".quotemeta($rver); } return ( ) if (!$vpkg); # Get full status $out = &backquote_command("$apt_cache_cmd show $qvpkg 2>&1", 1); $out =~ s/[\0-\177]*\r?\n\r?\n(Package:)/\\1/; # remove available ver return () if ($? || $out =~ /Package .* is not available/i); local @rv = ( $vpkg, &alphabet_name($vpkg) ); push(@rv, $out =~ /Description(-en)?:\s+((.*\n)(\s+.*\n)*)/i ? $2 : $text{'debian_unknown'}); push(@rv, $out =~ /Architecture:\s+(\S+)/i ? $1 : $text{'debian_unknown'}); push(@rv, $out =~ /Version:\s+(\S+)/i ? $1 : $text{'debian_unknown'}); push(@rv, $out =~ /Maintainer:\s+(.*)/i ? &html_escape($1) : $text{'debian_unknown'}); push(@rv, $text{'debian_unknown'}); return @rv; } # check_files(package) # Fills in the %files array with information about the files belonging # to some package. Values in %files are path type user group mode size error sub check_files { local $i = 0; local $file; local $qm = quotemeta($_[0]); &open_execute_command(PKGINFO, "dpkg --listfiles $qm", 1, 1); while($file = <PKGINFO>) { $file =~ s/\r|\n//g; next if ($file !~ /^\/[^\.]/); local @st = stat($file); $files{$i,'path'} = $file; $files{$i,'type'} = -l $file ? 3 : -d $file ? 1 : 0; $files{$i,'user'} = getpwuid($st[4]); $files{$i,'group'} = getgrgid($st[5]); $files{$i,'mode'} = sprintf "%o", $st[2] & 07777; $files{$i,'size'} = $st[7]; $files{$i,'link'} = readlink($file); $i++; } return $i; } # package_files(package) # Returns a list of all files in some package sub package_files { local ($pkg) = @_; local $qn = quotemeta($pkg); local @rv; &open_execute_command(RPM, "dpkg --listfiles $qn", 1, 1); while(<RPM>) { s/\r|\n//g; push(@rv, $_); } close(RPM); return @rv; } # installed_file(file) # Given a filename, fills %file with details of the given file and returns 1. # If the file is not known to the package system, returns 0 # Usable values in %file are path type user group mode size packages sub installed_file { local $qm = quotemeta($_[0]); local $out = &backquote_command("dpkg --search $qm 2>&1", 1); return 0 if ($out =~ /not\s+found|no\s+path\s+found/i); $out =~ s/:\s+\S+\n$//; local @pkgin = split(/[\s,]+/, $out); local $real = &translate_filename($_[0]); local @st = stat($real); $file{'path'} = $_[0]; $file{'type'} = -l $real ? 3 : -d $real ? 1 : 0; $file{'user'} = getpwuid($st[4]); $file{'group'} = getgrgid($st[5]); $file{'mode'} = sprintf "%o", $st[2] & 07777; $file{'size'} = $st[7]; $file{'link'} = readlink($real); $file{'packages'} = join(" ", @pkgin); return 1; } # is_package(file) sub is_package { local $qm = quotemeta($_[0]); local $out = &backquote_command("dpkg --info $qm 2>&1", 1); return $? || $out !~ /Package:/ ? 0 : 1; } # file_packages(file) # Returns a list of all packages in the given file, in the form # package description sub file_packages { local $qm = quotemeta($_[0]); local $out = &backquote_command("dpkg --info $qm 2>&1", 1); local $name; if ($out =~ /Package:\s+(\S+)/i && ($name=$1) && $out =~ /Description:\s+(.*)/i) { return ( "$name $1" ); } return (); } # install_options(file, package) # Outputs HTML for choosing install options sub install_options { print &ui_table_row($text{'debian_depends'}, &ui_yesno_radio("depends", 0)); print &ui_table_row($text{'debian_conflicts'}, &ui_yesno_radio("conflicts", 0)); print &ui_table_row($text{'debian_overwrite'}, &ui_yesno_radio("overwrite", 0)); print &ui_table_row($text{'debian_downgrade'}, &ui_yesno_radio("downgrade", 0)); } # install_package(file, package) # Installs the package in the given file, with options from %in sub install_package { local $in = $_[2] ? $_[2] : \%in; local $args = ($in->{'depends'} ? " --force-depends" : ""). ($in->{'conflicts'} ? " --force-conflicts" : ""). ($in->{'overwrite'} ? " --force-overwrite" : ""). ($in->{'downgrade'} ? " --force-downgrade" : ""); local $qm = quotemeta($_[0]); $ENV{'UCF_FORCE_CONFFOLD'} = 'YES'; $ENV{'DEBIAN_FRONTEND'} = 'noninteractive'; local $out = &backquote_logged("dpkg --install $args $qm 2>&1 </dev/null"); if ($?) { return "<pre>$out</pre>"; } return undef; } # delete_options(package) # Outputs HTML for package uninstall options sub delete_options { print "<b>$text{'delete_purge'}</b>\n"; print &ui_yesno_radio("purge", 0),"<br>\n"; if ($update_system eq "apt") { print "<b>$text{'delete_depstoo'}</b>\n"; print &ui_yesno_radio("depstoo", 0),"<br>\n"; } } # delete_package(package, [&options], version) # Totally remove some package sub delete_package { local $qm = quotemeta($_[0]); $ENV{'DEBIAN_FRONTEND'} = 'noninteractive'; local $out; if ($_[1]->{'depstoo'}) { # Use apt-get local $flag = $_[1]->{'purge'} ? "--purge" : ""; $out = &backquote_logged("apt-get -y autoremove $flag $qm 2>&1 </dev/null"); } else { # Use dpkg command local $flag = $_[1]->{'purge'} ? "--purge" : "--remove"; $out = &backquote_logged("dpkg $flag $qm 2>&1 </dev/null"); } if ($? || $out =~ /which isn.t installed/i) { return "<pre>$out</pre>"; } return undef; } # package_dependencies(name, [version]) # Returns a list of packages that this one depends on, as hash refs sub package_dependencies { my ($pkg, $ver) = @_; my $out = &backquote_command( "apt-cache show ".quotemeta($pkg)." 2>/dev/null"); return () if ($?); $out =~ /\nDepends:\s+(.*)/ || return (); my @rv; foreach my $w (split(/,\s+/, $1)) { if ($w =~ /^(\S+)\s+\(([<>=]+)\s+(\S+)\)/) { # Depends on a specific version push(@rv, { 'package' => $1, 'compare' => $2, 'version' => $3 }); } elsif ($w =~ /^(\S+)$/) { # Depends on some package push(@rv, { 'package' => $1 }); } elsif ($w =~ /^(\S+)\s+\|/) { # Depends on one of several packages, but just show the first push(@rv, { 'package' => $1 }); } } return @rv; } sub package_system { return $text{'debian_manager'}; } sub package_help { return "dpkg"; } 1;
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