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Editing: ipkg-lib.pl

# ipkg-lib.pl
# Functions for synology IPKG package management

use POSIX;
chop($system_arch = `uname -m`);
$has_update_system = 1;
$no_package_install = 1;

if (&use_pkg_ng()) {
    # check whether the opkg manager is available and use that.
    $ipkg    = "opkg";
} else {
    $ipkg    = "ipkg";
    # If not, default to the ipkg manager tools
}

sub use_pkg_ng
{
return 0 if (-x "/opt/bin/opkg");
}

sub list_package_system_commands
{
return ($ipkg);
}

# list_packages([package]*)
# Fills the array %packages with a list of all packages
# ipkg extension: if ALL is specified list also uninstalled packages
sub list_packages
{
local $i = 0;
local $arg, $all;
if ($_[0] ne "ALL") {
	$arg = join(" ", map { quotemeta($_) } @_);
} else {
	$all=$_[0];
}
%packages = ( );
&open_execute_command(PKGINFO, "$ipkg info $arg", 1, 1);
local %temp = ();
while(<PKGINFO>) {
		$_ =~ s/\r|\n//g;
		if ($_) {
			local ($param, $val) = split(/: /, $_);
			$temp{$param}=$val;
		} else {
		    next if ((!$temp{'Installed-Time'} && $all ne "ALL") && !$arg );
			$packages{$i,'name'} = $temp{'Package'};
			$packages{$i,'version'} = $temp{'Version'};
			$packages{$i,'desc'} = $temp{'Description'};
			$packages{$i,'install'} = $temp{'Installed-Time'};  
			$packages{$i,'arch'} = $temp{'Architecture'};  
			$packages{$i,'vendor'} = $temp{'Maintainer'};  
			# generate categories from names, Section
			$temp{'Package'} =~ m/^(..[^-0-9]*)/;
			local $cat= $1;
			if ($cat =~ /^(asterisk|audio|auto|core|compression|diff|lib|gnu|gtk|perl|net|ncurses|py)/) {
				$cat=ucfirst($1);
			} elsif ($cat =~ /^(amavisd|cyrus|esmtp|fetchmail|imap|mail|mini|mutt|mpop|msmtp|offlineimap|pop|postfix|postgrey|procmail|putmail|up|qpopper|sendmail|xmail)$/ ) {
				$cat = "Mail";
			} elsif ($cat =~ /^(arc|bzip|cabextract|cpio|freeze|gzip|lha|lzo|p7zip|tar|upx|unarj|xz|zip|zlib|zoo|unzip|unrar)$/) {
				$cat = "Compression";
			} elsif ($cat =~ /^x|motif/ && $desc =~ /X |Xorg|X11|XDMCP|Xinerama|Athena|Motif/) {
				$cat = "X11";
			} elsif ($cat =~ /^([^v]+sh|sharutils)$/) {
				$cat = "Shell";
			} elsif ($cat =~ /^(ed|gawk|sed|vim)$/) {
				$cat = "Editor";
			} elsif ($cat =~ /^(apache|cherokee|hiawatha|lighttpd|minihttpd|mod|thttpd)$|^shell/) {
				$cat = "Web";
			} elsif ($temp{'Section'} =~ /^(doc|lang|lib|net|sys|text|util)/ ) {
				$cat=ucfirst($1);
			} else {
				$cat=ucfirst($temp{'Section'});
			}
			$packages{$i,'class'} = $cat; 
			$temp{'Installed-Time'}=undef;
			$i++;
			}
		}
close(PKGINFO);
return $i;
}

# package_info(package)
# Returns an array of package information in the order
#  name, class, description, arch, version, vendor, installtime
sub package_info
{
local $qm = quotemeta($_[0]);
local $pos=&list_packages($_[0]);
return () if (!$pos--);

local $upgrade =  $pos ? &backquote_command("$ipkg list-upgradable | grep $qm 2>&1", 1) : undef; 
local @rv = ( $_[0] );
push(@rv, $packages{$pos, 'class'});
push(@rv, $packages{$pos, 'desc'});
push(@rv, $packages{$pos, 'arch'});
push(@rv, $packages{$pos, 'version'});
push(@rv, $packages{$pos, 'vendor'});
if ($pos) {
	$upgrade =~ /.* - (.*)/;
	push(@rv, $text{'IPKG_update_avail'} ." ".$1);
} else {
	push(@rv, $packages{$pos, 'install'} ? ctime($packages{0, 'install'}) : $text{'IPKG_not_installed'});
}
push(@rv, $packages{$pos, 'install'} ? "" : false);
push(@rv, $packages{$pos, 'install'} ? "" : false);
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
{
return ( );
}

# 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, "$ipkg files $qm", 1, 1);
while($file = <PKGINFO>) {
	$file =~ s/\r|\n//g;
	next if ($file =~ /^Package /);
	next if ($file !~ /^\//);
	local $real = &translate_filename($file);
	local @st = stat($real);
	$files{$i,'path'} = $file;
	$files{$i,'type'} = -l $real ? 3 :
			    -d $real ? 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($real);
	$i++;
	}
return $i;
}

# 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 (%packages, $file, $i, @pkgin);
local $n = &list_packages();
for($i=0; $i<$n; $i++) {
	local $qm = quotemeta($packages{$i,'name'});
	&open_execute_command(PKGINFO, "$ipkg files $qm", 1,1);
	while($file = <PKGINFO>) {
		next if ($file =~ /^Package /);
		$file =~ s/\r|\n//g;
		if ($file eq $_[0]) {
			# found it
			push(@pkgin, $packages{$i,'name'});
			}
		}
	close(PKGINFO);
	}
if (@pkgin) {
	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;
	}
else {
	return 0;
	}
}

# install_package(file, package)
# Installs the package in the given file, with options from %in
sub install_package
{
local $qm = quotemeta($_[1]);
local $out = &backquote_logged("$ipkg install $qm 2>&1");
if ($?) {
	return "<pre>$out</pre>";
	}
return undef;
}

# delete_package(package)
# Totally remove some package
sub delete_package
{
local $qm = quotemeta($_[0]);
local $out = &backquote_logged("$ipkg remove $qm 2>&1");
if ($?) { return "<pre>$out</pre>"; }
return undef;
}

sub package_system
{
return &text('bsd_manager', "SYNOLOGY");
}

sub package_help
{
return $ipkg;
}

sub list_update_system_commands
{
return $ipkg;
}

# update_system_install([package])
# Install some package with IPKG
sub update_system_install
{
local $update = $_[0] || $in{'update'};
local (@rv, @newpacks);
local $cmd = "$ipkg install";
print &text('IPKG_install', "<tt>$cmd</tt>"),"\n";
print "<pre data-installer>";
&additional_log('exec', undef, "$cmd $update");
local $qm = join(" ", map { quotemeta($_) } split(/\s+/, $update));
&open_execute_command(CMD, "$cmd $qm", 2);
while(<CMD>) {
	s/\r|\n//g;
	if (/Installing\s+(\S+)\s+/) {
		# Found a package
		local $pkg = $1;
		$pkg =~ s/\-\d.*//;	# remove version
		push(@rv, $pkg);
		}
	print &html_escape($_."\n");
	}
close(CMD);
print "</pre>\n";
if ($?) {
	print "$text{'IPKG_failed'}<p>\n";
	return ( );
	}
else {
	print "$text{'IPKG_ok'}<p>\n";
	return &unique(@rv);
	}
}

# update_system_form()
# Shows a form for updating all packages on the system
sub update_system_form
{
print &ui_subheading($text{'IPKG_form'});
print &ui_buttons_start();
print &ui_form_start("ipkg_upgrade.cgi");
print &ui_submit($text{'IPKG_update'}, "update"),"<br>\n";
print &ui_submit($text{'IPKG_upgrade'}, "upgrade");
print &ui_form_end(), "</td><td align=\"right\">";
print &ui_form_start("ipkg-tree.cgi");
print &ui_submit($text{'IPKG_index_tree'});
print &ui_form_end();
print &ui_buttons_end();
}

# update_system_resolve(name)
# Converts a standard package name like apache, sendmail or squid into
# the name used by YUM.
sub update_system_resolve
{
local ($name) = @_;
return $name eq "dhcpd" ? "dhcp-server" :
       $name eq "mysql" ? "mariadb" :
       $name eq "openldap" ? "openldap openldap-servers" :
       $name eq "postgresql" ? "postgresql postgresql-server" :
       $name eq "samba" ? "samba-client samba-server" :
                          $name;
}

# update_system_available()
# Returns a list of package names and versions that are available from IPKG
# including updated versions
sub update_system_available
{
local @rv;

&open_execute_command(PKGINFO, "$ipkg list-upgradable", 1, 1);
while(<PKG>) {
	s/\r|\n//g;
	if (/^\s*(.+?) - (.+?) - (.+)/) {
		local $pkg = {  'name' => $1,
						'version' => $3 };
		push(@rv, $pkg);
	}
}
close(PKG);

return @rv;
}

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